| Index: third_party/WebKit/Source/devtools/front_end/cm/codemirror.js
|
| diff --git a/third_party/WebKit/Source/devtools/front_end/cm/codemirror.js b/third_party/WebKit/Source/devtools/front_end/cm/codemirror.js
|
| index 4568673e3c4c2e89352b5729482ae0a4a31bc071..0fae2c118de8e8432d044776d0ffece6a54031c6 100644
|
| --- a/third_party/WebKit/Source/devtools/front_end/cm/codemirror.js
|
| +++ b/third_party/WebKit/Source/devtools/front_end/cm/codemirror.js
|
| @@ -7,8933 +7,9298 @@
|
| // You can find some technical background for some of the code below
|
| // at http://marijnhaverbeke.nl/blog/#cm-internals .
|
|
|
| -(function(mod) {
|
| - if (typeof exports == "object" && typeof module == "object") // CommonJS
|
| - module.exports = mod();
|
| - else if (typeof define == "function" && define.amd) // AMD
|
| - return define([], mod);
|
| - else // Plain browser env
|
| - (this || window).CodeMirror = mod();
|
| -})(function() {
|
| - "use strict";
|
| -
|
| - // BROWSER SNIFFING
|
| -
|
| - // Kludges for bugs and behavior differences that can't be feature
|
| - // detected are enabled based on userAgent etc sniffing.
|
| - var userAgent = navigator.userAgent;
|
| - var platform = navigator.platform;
|
| -
|
| - var gecko = /gecko\/\d/i.test(userAgent);
|
| - var ie_upto10 = /MSIE \d/.test(userAgent);
|
| - var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);
|
| - var ie = ie_upto10 || ie_11up;
|
| - var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]);
|
| - var webkit = /WebKit\//.test(userAgent);
|
| - var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
|
| - var chrome = /Chrome\//.test(userAgent);
|
| - var presto = /Opera\//.test(userAgent);
|
| - var safari = /Apple Computer/.test(navigator.vendor);
|
| - var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
|
| - var phantom = /PhantomJS/.test(userAgent);
|
| -
|
| - var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent);
|
| - // This is woefully incomplete. Suggestions for alternative methods welcome.
|
| - var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
|
| - var mac = ios || /Mac/.test(platform);
|
| - var chromeOS = /\bCrOS\b/.test(userAgent);
|
| - var windows = /win/i.test(platform);
|
| -
|
| - var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
|
| - if (presto_version) presto_version = Number(presto_version[1]);
|
| - if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
|
| - // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
|
| - var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
|
| - var captureRightClick = gecko || (ie && ie_version >= 9);
|
| -
|
| - // Optimize some code when these features are not used.
|
| - var sawReadOnlySpans = false, sawCollapsedSpans = false;
|
| -
|
| - // EDITOR CONSTRUCTOR
|
| -
|
| - // A CodeMirror instance represents an editor. This is the object
|
| - // that user code is usually dealing with.
|
| -
|
| - function CodeMirror(place, options) {
|
| - if (!(this instanceof CodeMirror)) return new CodeMirror(place, options);
|
| -
|
| - this.options = options = options ? copyObj(options) : {};
|
| - // Determine effective options based on given values and defaults.
|
| - copyObj(defaults, options, false);
|
| - setGuttersForLineNumbers(options);
|
| -
|
| - var doc = options.value;
|
| - if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator);
|
| - this.doc = doc;
|
| -
|
| - var input = new CodeMirror.inputStyles[options.inputStyle](this);
|
| - var display = this.display = new Display(place, doc, input);
|
| - display.wrapper.CodeMirror = this;
|
| - updateGutters(this);
|
| - themeChanged(this);
|
| - if (options.lineWrapping)
|
| - this.display.wrapper.className += " CodeMirror-wrap";
|
| - if (options.autofocus && !mobile) display.input.focus();
|
| - initScrollbars(this);
|
| -
|
| - this.state = {
|
| - keyMaps: [], // stores maps added by addKeyMap
|
| - overlays: [], // highlighting overlays, as added by addOverlay
|
| - modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info
|
| - overwrite: false,
|
| - delayingBlurEvent: false,
|
| - focused: false,
|
| - suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
|
| - pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll
|
| - selectingText: false,
|
| - draggingText: false,
|
| - highlight: new Delayed(), // stores highlight worker timeout
|
| - keySeq: null, // Unfinished key sequence
|
| - specialChars: null
|
| - };
|
| -
|
| - var cm = this;
|
| -
|
| - // Override magic textarea content restore that IE sometimes does
|
| - // on our hidden textarea on reload
|
| - if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20);
|
| -
|
| - registerEventHandlers(this);
|
| - ensureGlobalHandlers();
|
| -
|
| - startOperation(this);
|
| - this.curOp.forceUpdate = true;
|
| - attachDoc(this, doc);
|
| -
|
| - if ((options.autofocus && !mobile) || cm.hasFocus())
|
| - setTimeout(bind(onFocus, this), 20);
|
| - else
|
| - onBlur(this);
|
| -
|
| - for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt))
|
| - optionHandlers[opt](this, options[opt], Init);
|
| - maybeUpdateLineNumberWidth(this);
|
| - if (options.finishInit) options.finishInit(this);
|
| - for (var i = 0; i < initHooks.length; ++i) initHooks[i](this);
|
| - endOperation(this);
|
| - // Suppress optimizelegibility in Webkit, since it breaks text
|
| - // measuring on line wrapping boundaries.
|
| - if (webkit && options.lineWrapping &&
|
| - getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
|
| - display.lineDiv.style.textRendering = "auto";
|
| - }
|
| -
|
| - // DISPLAY CONSTRUCTOR
|
| -
|
| - // The display handles the DOM integration, both for input reading
|
| - // and content drawing. It holds references to DOM nodes and
|
| - // display-related state.
|
| -
|
| - function Display(place, doc, input) {
|
| - var d = this;
|
| - this.input = input;
|
| -
|
| - // Covers bottom-right square when both scrollbars are present.
|
| - d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
|
| - d.scrollbarFiller.setAttribute("cm-not-content", "true");
|
| - // Covers bottom of gutter when coverGutterNextToScrollbar is on
|
| - // and h scrollbar is present.
|
| - d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
|
| - d.gutterFiller.setAttribute("cm-not-content", "true");
|
| - // Will contain the actual code, positioned to cover the viewport.
|
| - d.lineDiv = elt("div", null, "CodeMirror-code");
|
| - // Elements are added to these to represent selection and cursors.
|
| - d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
|
| - d.cursorDiv = elt("div", null, "CodeMirror-cursors");
|
| - // A visibility: hidden element used to find the size of things.
|
| - d.measure = elt("div", null, "CodeMirror-measure");
|
| - // When lines outside of the viewport are measured, they are drawn in this.
|
| - d.lineMeasure = elt("div", null, "CodeMirror-measure");
|
| - // Wraps everything that needs to exist inside the vertically-padded coordinate system
|
| - d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
|
| - null, "position: relative; outline: none");
|
| - // Moved around its parent to cover visible view.
|
| - d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
|
| - // Set to the height of the document, allowing scrolling.
|
| - d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
|
| - d.sizerWidth = null;
|
| - // Behavior of elts with overflow: auto and padding is
|
| - // inconsistent across browsers. This is used to ensure the
|
| - // scrollable area is big enough.
|
| - d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");
|
| - // Will contain the gutters, if any.
|
| - d.gutters = elt("div", null, "CodeMirror-gutters");
|
| - d.lineGutter = null;
|
| - // Actual scrollable element.
|
| - d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
|
| - d.scroller.setAttribute("tabIndex", "-1");
|
| - // The element in which the editor lives.
|
| - d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
|
| -
|
| - // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
|
| - if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
|
| - if (!webkit && !(gecko && mobile)) d.scroller.draggable = true;
|
| -
|
| - if (place) {
|
| - if (place.appendChild) place.appendChild(d.wrapper);
|
| - else place(d.wrapper);
|
| - }
|
| -
|
| - // Current rendered range (may be bigger than the view window).
|
| - d.viewFrom = d.viewTo = doc.first;
|
| - d.reportedViewFrom = d.reportedViewTo = doc.first;
|
| - // Information about the rendered lines.
|
| - d.view = [];
|
| - d.renderedView = null;
|
| - // Holds info about a single rendered line when it was rendered
|
| - // for measurement, while not in view.
|
| - d.externalMeasured = null;
|
| - // Empty space (in pixels) above the view
|
| - d.viewOffset = 0;
|
| - d.lastWrapHeight = d.lastWrapWidth = 0;
|
| - d.updateLineNumbers = null;
|
| -
|
| - d.nativeBarWidth = d.barHeight = d.barWidth = 0;
|
| - d.scrollbarsClipped = false;
|
| -
|
| - // Used to only resize the line number gutter when necessary (when
|
| - // the amount of lines crosses a boundary that makes its width change)
|
| - d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
|
| - // Set to true when a non-horizontal-scrolling line widget is
|
| - // added. As an optimization, line widget aligning is skipped when
|
| - // this is false.
|
| - d.alignWidgets = false;
|
| -
|
| - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
|
| -
|
| - // Tracks the maximum line length so that the horizontal scrollbar
|
| - // can be kept static when scrolling.
|
| - d.maxLine = null;
|
| - d.maxLineLength = 0;
|
| - d.maxLineChanged = false;
|
| -
|
| - // Used for measuring wheel scrolling granularity
|
| - d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
|
| -
|
| - // True when shift is held down.
|
| - d.shift = false;
|
| -
|
| - // Used to track whether anything happened since the context menu
|
| - // was opened.
|
| - d.selForContextMenu = null;
|
| -
|
| - d.activeTouch = null;
|
| -
|
| - input.init(d);
|
| - }
|
| -
|
| - // STATE UPDATES
|
| -
|
| - // Used to get the editor into a consistent state again when options change.
|
| -
|
| - function loadMode(cm) {
|
| - cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption);
|
| - resetModeState(cm);
|
| - }
|
| -
|
| - function resetModeState(cm) {
|
| - cm.doc.iter(function(line) {
|
| - if (line.stateAfter) line.stateAfter = null;
|
| - if (line.styles) line.styles = null;
|
| - });
|
| - cm.doc.frontier = cm.doc.first;
|
| - startWorker(cm, 100);
|
| - cm.state.modeGen++;
|
| - if (cm.curOp) regChange(cm);
|
| - }
|
| -
|
| - function wrappingChanged(cm) {
|
| - if (cm.options.lineWrapping) {
|
| - addClass(cm.display.wrapper, "CodeMirror-wrap");
|
| - cm.display.sizer.style.minWidth = "";
|
| - cm.display.sizerWidth = null;
|
| - } else {
|
| - rmClass(cm.display.wrapper, "CodeMirror-wrap");
|
| - findMaxLine(cm);
|
| - }
|
| - estimateLineHeights(cm);
|
| - regChange(cm);
|
| - clearCaches(cm);
|
| - setTimeout(function(){updateScrollbars(cm);}, 100);
|
| - }
|
| -
|
| - // Returns a function that estimates the height of a line, to use as
|
| - // first approximation until the line becomes visible (and is thus
|
| - // properly measurable).
|
| - function estimateHeight(cm) {
|
| - var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
|
| - var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
|
| - return function(line) {
|
| - if (lineIsHidden(cm.doc, line)) return 0;
|
| -
|
| - var widgetsHeight = 0;
|
| - if (line.widgets) for (var i = 0; i < line.widgets.length; i++) {
|
| - if (line.widgets[i].height) widgetsHeight += line.widgets[i].height;
|
| +(function (global, factory) {
|
| + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
|
| + typeof define === 'function' && define.amd ? define(factory) :
|
| + (global.CodeMirror = factory());
|
| +}(this, (function () { 'use strict';
|
| +
|
| +// Kludges for bugs and behavior differences that can't be feature
|
| +// detected are enabled based on userAgent etc sniffing.
|
| +var userAgent = navigator.userAgent
|
| +var platform = navigator.platform
|
| +
|
| +var gecko = /gecko\/\d/i.test(userAgent)
|
| +var ie_upto10 = /MSIE \d/.test(userAgent)
|
| +var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent)
|
| +var edge = /Edge\/(\d+)/.exec(userAgent)
|
| +var ie = ie_upto10 || ie_11up || edge
|
| +var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1])
|
| +var webkit = !edge && /WebKit\//.test(userAgent)
|
| +var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent)
|
| +var chrome = !edge && /Chrome\//.test(userAgent)
|
| +var presto = /Opera\//.test(userAgent)
|
| +var safari = /Apple Computer/.test(navigator.vendor)
|
| +var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent)
|
| +var phantom = /PhantomJS/.test(userAgent)
|
| +
|
| +var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent)
|
| +var android = /Android/.test(userAgent)
|
| +// This is woefully incomplete. Suggestions for alternative methods welcome.
|
| +var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent)
|
| +var mac = ios || /Mac/.test(platform)
|
| +var chromeOS = /\bCrOS\b/.test(userAgent)
|
| +var windows = /win/i.test(platform)
|
| +
|
| +var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/)
|
| +if (presto_version) { presto_version = Number(presto_version[1]) }
|
| +if (presto_version && presto_version >= 15) { presto = false; webkit = true }
|
| +// Some browsers use the wrong event properties to signal cmd/ctrl on OS X
|
| +var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11))
|
| +var captureRightClick = gecko || (ie && ie_version >= 9)
|
| +
|
| +function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }
|
| +
|
| +var rmClass = function(node, cls) {
|
| + var current = node.className
|
| + var match = classTest(cls).exec(current)
|
| + if (match) {
|
| + var after = current.slice(match.index + match[0].length)
|
| + node.className = current.slice(0, match.index) + (after ? match[1] + after : "")
|
| + }
|
| +}
|
| +
|
| +function removeChildren(e) {
|
| + for (var count = e.childNodes.length; count > 0; --count)
|
| + { e.removeChild(e.firstChild) }
|
| + return e
|
| +}
|
| +
|
| +function removeChildrenAndAdd(parent, e) {
|
| + return removeChildren(parent).appendChild(e)
|
| +}
|
| +
|
| +function elt(tag, content, className, style) {
|
| + var e = document.createElement(tag)
|
| + if (className) { e.className = className }
|
| + if (style) { e.style.cssText = style }
|
| + if (typeof content == "string") { e.appendChild(document.createTextNode(content)) }
|
| + else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]) } }
|
| + return e
|
| +}
|
| +// wrapper for elt, which removes the elt from the accessibility tree
|
| +function eltP(tag, content, className, style) {
|
| + var e = elt(tag, content, className, style)
|
| + e.setAttribute("role", "presentation")
|
| + return e
|
| +}
|
| +
|
| +var range
|
| +if (document.createRange) { range = function(node, start, end, endNode) {
|
| + var r = document.createRange()
|
| + r.setEnd(endNode || node, end)
|
| + r.setStart(node, start)
|
| + return r
|
| +} }
|
| +else { range = function(node, start, end) {
|
| + var r = document.body.createTextRange()
|
| + try { r.moveToElementText(node.parentNode) }
|
| + catch(e) { return r }
|
| + r.collapse(true)
|
| + r.moveEnd("character", end)
|
| + r.moveStart("character", start)
|
| + return r
|
| +} }
|
| +
|
| +function contains(parent, child) {
|
| + if (child.nodeType == 3) // Android browser always returns false when child is a textnode
|
| + { child = child.parentNode }
|
| + if (parent.contains)
|
| + { return parent.contains(child) }
|
| + do {
|
| + if (child.nodeType == 11) { child = child.host }
|
| + if (child == parent) { return true }
|
| + } while (child = child.parentNode)
|
| +}
|
| +
|
| +function activeElt() {
|
| + // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.
|
| + // IE < 10 will throw when accessed while the page is loading or in an iframe.
|
| + // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.
|
| + var activeElement
|
| + try {
|
| + activeElement = document.activeElement
|
| + } catch(e) {
|
| + activeElement = document.body || null
|
| + }
|
| + while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
|
| + { activeElement = activeElement.shadowRoot.activeElement }
|
| + return activeElement
|
| +}
|
| +
|
| +function addClass(node, cls) {
|
| + var current = node.className
|
| + if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls }
|
| +}
|
| +function joinClasses(a, b) {
|
| + var as = a.split(" ")
|
| + for (var i = 0; i < as.length; i++)
|
| + { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i] } }
|
| + return b
|
| +}
|
| +
|
| +var selectInput = function(node) { node.select() }
|
| +if (ios) // Mobile Safari apparently has a bug where select() is broken.
|
| + { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length } }
|
| +else if (ie) // Suppress mysterious IE10 errors
|
| + { selectInput = function(node) { try { node.select() } catch(_e) {} } }
|
| +
|
| +function bind(f) {
|
| + var args = Array.prototype.slice.call(arguments, 1)
|
| + return function(){return f.apply(null, args)}
|
| +}
|
| +
|
| +function copyObj(obj, target, overwrite) {
|
| + if (!target) { target = {} }
|
| + for (var prop in obj)
|
| + { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
|
| + { target[prop] = obj[prop] } }
|
| + return target
|
| +}
|
| +
|
| +// Counts the column offset in a string, taking tabs into account.
|
| +// Used mostly to find indentation.
|
| +function countColumn(string, end, tabSize, startIndex, startValue) {
|
| + if (end == null) {
|
| + end = string.search(/[^\s\u00a0]/)
|
| + if (end == -1) { end = string.length }
|
| + }
|
| + for (var i = startIndex || 0, n = startValue || 0;;) {
|
| + var nextTab = string.indexOf("\t", i)
|
| + if (nextTab < 0 || nextTab >= end)
|
| + { return n + (end - i) }
|
| + n += nextTab - i
|
| + n += tabSize - (n % tabSize)
|
| + i = nextTab + 1
|
| + }
|
| +}
|
| +
|
| +var Delayed = function Delayed() {this.id = null};
|
| +Delayed.prototype.set = function set (ms, f) {
|
| + clearTimeout(this.id)
|
| + this.id = setTimeout(f, ms)
|
| +};
|
| +
|
| +function indexOf(array, elt) {
|
| + for (var i = 0; i < array.length; ++i)
|
| + { if (array[i] == elt) { return i } }
|
| + return -1
|
| +}
|
| +
|
| +// Number of pixels added to scroller and sizer to hide scrollbar
|
| +var scrollerGap = 30
|
| +
|
| +// Returned or thrown by various protocols to signal 'I'm not
|
| +// handling this'.
|
| +var Pass = {toString: function(){return "CodeMirror.Pass"}}
|
| +
|
| +// Reused option objects for setSelection & friends
|
| +var sel_dontScroll = {scroll: false};
|
| +var sel_mouse = {origin: "*mouse"};
|
| +var sel_move = {origin: "+move"};
|
| +// The inverse of countColumn -- find the offset that corresponds to
|
| +// a particular column.
|
| +function findColumn(string, goal, tabSize) {
|
| + for (var pos = 0, col = 0;;) {
|
| + var nextTab = string.indexOf("\t", pos)
|
| + if (nextTab == -1) { nextTab = string.length }
|
| + var skipped = nextTab - pos
|
| + if (nextTab == string.length || col + skipped >= goal)
|
| + { return pos + Math.min(skipped, goal - col) }
|
| + col += nextTab - pos
|
| + col += tabSize - (col % tabSize)
|
| + pos = nextTab + 1
|
| + if (col >= goal) { return pos }
|
| + }
|
| +}
|
| +
|
| +var spaceStrs = [""]
|
| +function spaceStr(n) {
|
| + while (spaceStrs.length <= n)
|
| + { spaceStrs.push(lst(spaceStrs) + " ") }
|
| + return spaceStrs[n]
|
| +}
|
| +
|
| +function lst(arr) { return arr[arr.length-1] }
|
| +
|
| +function map(array, f) {
|
| + var out = []
|
| + for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i) }
|
| + return out
|
| +}
|
| +
|
| +function insertSorted(array, value, score) {
|
| + var pos = 0, priority = score(value)
|
| + while (pos < array.length && score(array[pos]) <= priority) { pos++ }
|
| + array.splice(pos, 0, value)
|
| +}
|
| +
|
| +function nothing() {}
|
| +
|
| +function createObj(base, props) {
|
| + var inst
|
| + if (Object.create) {
|
| + inst = Object.create(base)
|
| + } else {
|
| + nothing.prototype = base
|
| + inst = new nothing()
|
| + }
|
| + if (props) { copyObj(props, inst) }
|
| + return inst
|
| +}
|
| +
|
| +var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/
|
| +function isWordCharBasic(ch) {
|
| + return /\w/.test(ch) || ch > "\x80" &&
|
| + (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))
|
| +}
|
| +function isWordChar(ch, helper) {
|
| + if (!helper) { return isWordCharBasic(ch) }
|
| + if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true }
|
| + return helper.test(ch)
|
| +}
|
| +
|
| +function isEmpty(obj) {
|
| + for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }
|
| + return true
|
| +}
|
| +
|
| +// Extending unicode characters. A series of a non-extending char +
|
| +// any number of extending chars is treated as a single unit as far
|
| +// as editing and measuring is concerned. This is not fully correct,
|
| +// since some scripts/fonts/browsers also treat other configurations
|
| +// of code points as a group.
|
| +var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/
|
| +function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }
|
| +
|
| +// Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.
|
| +function skipExtendingChars(str, pos, dir) {
|
| + while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir }
|
| + return pos
|
| +}
|
| +
|
| +// Returns the value from the range [`from`; `to`] that satisfies
|
| +// `pred` and is closest to `from`. Assumes that at least `to` satisfies `pred`.
|
| +function findFirst(pred, from, to) {
|
| + for (;;) {
|
| + if (Math.abs(from - to) <= 1) { return pred(from) ? from : to }
|
| + var mid = Math.floor((from + to) / 2)
|
| + if (pred(mid)) { to = mid }
|
| + else { from = mid }
|
| + }
|
| +}
|
| +
|
| +// The display handles the DOM integration, both for input reading
|
| +// and content drawing. It holds references to DOM nodes and
|
| +// display-related state.
|
| +
|
| +function Display(place, doc, input) {
|
| + var d = this
|
| + this.input = input
|
| +
|
| + // Covers bottom-right square when both scrollbars are present.
|
| + d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler")
|
| + d.scrollbarFiller.setAttribute("cm-not-content", "true")
|
| + // Covers bottom of gutter when coverGutterNextToScrollbar is on
|
| + // and h scrollbar is present.
|
| + d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler")
|
| + d.gutterFiller.setAttribute("cm-not-content", "true")
|
| + // Will contain the actual code, positioned to cover the viewport.
|
| + d.lineDiv = eltP("div", null, "CodeMirror-code")
|
| + // Elements are added to these to represent selection and cursors.
|
| + d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1")
|
| + d.cursorDiv = elt("div", null, "CodeMirror-cursors")
|
| + // A visibility: hidden element used to find the size of things.
|
| + d.measure = elt("div", null, "CodeMirror-measure")
|
| + // When lines outside of the viewport are measured, they are drawn in this.
|
| + d.lineMeasure = elt("div", null, "CodeMirror-measure")
|
| + // Wraps everything that needs to exist inside the vertically-padded coordinate system
|
| + d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
|
| + null, "position: relative; outline: none")
|
| + var lines = eltP("div", [d.lineSpace], "CodeMirror-lines")
|
| + // Moved around its parent to cover visible view.
|
| + d.mover = elt("div", [lines], null, "position: relative")
|
| + // Set to the height of the document, allowing scrolling.
|
| + d.sizer = elt("div", [d.mover], "CodeMirror-sizer")
|
| + d.sizerWidth = null
|
| + // Behavior of elts with overflow: auto and padding is
|
| + // inconsistent across browsers. This is used to ensure the
|
| + // scrollable area is big enough.
|
| + d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;")
|
| + // Will contain the gutters, if any.
|
| + d.gutters = elt("div", null, "CodeMirror-gutters")
|
| + d.lineGutter = null
|
| + // Actual scrollable element.
|
| + d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll")
|
| + d.scroller.setAttribute("tabIndex", "-1")
|
| + // The element in which the editor lives.
|
| + d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror")
|
| +
|
| + // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
|
| + if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0 }
|
| + if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true }
|
| +
|
| + if (place) {
|
| + if (place.appendChild) { place.appendChild(d.wrapper) }
|
| + else { place(d.wrapper) }
|
| + }
|
| +
|
| + // Current rendered range (may be bigger than the view window).
|
| + d.viewFrom = d.viewTo = doc.first
|
| + d.reportedViewFrom = d.reportedViewTo = doc.first
|
| + // Information about the rendered lines.
|
| + d.view = []
|
| + d.renderedView = null
|
| + // Holds info about a single rendered line when it was rendered
|
| + // for measurement, while not in view.
|
| + d.externalMeasured = null
|
| + // Empty space (in pixels) above the view
|
| + d.viewOffset = 0
|
| + d.lastWrapHeight = d.lastWrapWidth = 0
|
| + d.updateLineNumbers = null
|
| +
|
| + d.nativeBarWidth = d.barHeight = d.barWidth = 0
|
| + d.scrollbarsClipped = false
|
| +
|
| + // Used to only resize the line number gutter when necessary (when
|
| + // the amount of lines crosses a boundary that makes its width change)
|
| + d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null
|
| + // Set to true when a non-horizontal-scrolling line widget is
|
| + // added. As an optimization, line widget aligning is skipped when
|
| + // this is false.
|
| + d.alignWidgets = false
|
| +
|
| + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null
|
| +
|
| + // Tracks the maximum line length so that the horizontal scrollbar
|
| + // can be kept static when scrolling.
|
| + d.maxLine = null
|
| + d.maxLineLength = 0
|
| + d.maxLineChanged = false
|
| +
|
| + // Used for measuring wheel scrolling granularity
|
| + d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null
|
| +
|
| + // True when shift is held down.
|
| + d.shift = false
|
| +
|
| + // Used to track whether anything happened since the context menu
|
| + // was opened.
|
| + d.selForContextMenu = null
|
| +
|
| + d.activeTouch = null
|
| +
|
| + input.init(d)
|
| +}
|
| +
|
| +// Find the line object corresponding to the given line number.
|
| +function getLine(doc, n) {
|
| + n -= doc.first
|
| + if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }
|
| + var chunk = doc
|
| + while (!chunk.lines) {
|
| + for (var i = 0;; ++i) {
|
| + var child = chunk.children[i], sz = child.chunkSize()
|
| + if (n < sz) { chunk = child; break }
|
| + n -= sz
|
| + }
|
| + }
|
| + return chunk.lines[n]
|
| +}
|
| +
|
| +// Get the part of a document between two positions, as an array of
|
| +// strings.
|
| +function getBetween(doc, start, end) {
|
| + var out = [], n = start.line
|
| + doc.iter(start.line, end.line + 1, function (line) {
|
| + var text = line.text
|
| + if (n == end.line) { text = text.slice(0, end.ch) }
|
| + if (n == start.line) { text = text.slice(start.ch) }
|
| + out.push(text)
|
| + ++n
|
| + })
|
| + return out
|
| +}
|
| +// Get the lines between from and to, as array of strings.
|
| +function getLines(doc, from, to) {
|
| + var out = []
|
| + doc.iter(from, to, function (line) { out.push(line.text) }) // iter aborts when callback returns truthy value
|
| + return out
|
| +}
|
| +
|
| +// Update the height of a line, propagating the height change
|
| +// upwards to parent nodes.
|
| +function updateLineHeight(line, height) {
|
| + var diff = height - line.height
|
| + if (diff) { for (var n = line; n; n = n.parent) { n.height += diff } }
|
| +}
|
| +
|
| +// Given a line object, find its line number by walking up through
|
| +// its parent links.
|
| +function lineNo(line) {
|
| + if (line.parent == null) { return null }
|
| + var cur = line.parent, no = indexOf(cur.lines, line)
|
| + for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
|
| + for (var i = 0;; ++i) {
|
| + if (chunk.children[i] == cur) { break }
|
| + no += chunk.children[i].chunkSize()
|
| + }
|
| + }
|
| + return no + cur.first
|
| +}
|
| +
|
| +// Find the line at the given vertical position, using the height
|
| +// information in the document tree.
|
| +function lineAtHeight(chunk, h) {
|
| + var n = chunk.first
|
| + outer: do {
|
| + for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {
|
| + var child = chunk.children[i$1], ch = child.height
|
| + if (h < ch) { chunk = child; continue outer }
|
| + h -= ch
|
| + n += child.chunkSize()
|
| + }
|
| + return n
|
| + } while (!chunk.lines)
|
| + var i = 0
|
| + for (; i < chunk.lines.length; ++i) {
|
| + var line = chunk.lines[i], lh = line.height
|
| + if (h < lh) { break }
|
| + h -= lh
|
| + }
|
| + return n + i
|
| +}
|
| +
|
| +function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}
|
| +
|
| +function lineNumberFor(options, i) {
|
| + return String(options.lineNumberFormatter(i + options.firstLineNumber))
|
| +}
|
| +
|
| +// A Pos instance represents a position within the text.
|
| +function Pos(line, ch, sticky) {
|
| + if ( sticky === void 0 ) sticky = null;
|
| +
|
| + if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }
|
| + this.line = line
|
| + this.ch = ch
|
| + this.sticky = sticky
|
| +}
|
| +
|
| +// Compare two positions, return 0 if they are the same, a negative
|
| +// number when a is less, and a positive number otherwise.
|
| +function cmp(a, b) { return a.line - b.line || a.ch - b.ch }
|
| +
|
| +function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }
|
| +
|
| +function copyPos(x) {return Pos(x.line, x.ch)}
|
| +function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
|
| +function minPos(a, b) { return cmp(a, b) < 0 ? a : b }
|
| +
|
| +// Most of the external API clips given positions to make sure they
|
| +// actually exist within the document.
|
| +function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
|
| +function clipPos(doc, pos) {
|
| + if (pos.line < doc.first) { return Pos(doc.first, 0) }
|
| + var last = doc.first + doc.size - 1
|
| + if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }
|
| + return clipToLen(pos, getLine(doc, pos.line).text.length)
|
| +}
|
| +function clipToLen(pos, linelen) {
|
| + var ch = pos.ch
|
| + if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }
|
| + else if (ch < 0) { return Pos(pos.line, 0) }
|
| + else { return pos }
|
| +}
|
| +function clipPosArray(doc, array) {
|
| + var out = []
|
| + for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]) }
|
| + return out
|
| +}
|
| +
|
| +// Optimize some code when these features are not used.
|
| +var sawReadOnlySpans = false;
|
| +var sawCollapsedSpans = false;
|
| +function seeReadOnlySpans() {
|
| + sawReadOnlySpans = true
|
| +}
|
| +
|
| +function seeCollapsedSpans() {
|
| + sawCollapsedSpans = true
|
| +}
|
| +
|
| +// TEXTMARKER SPANS
|
| +
|
| +function MarkedSpan(marker, from, to) {
|
| + this.marker = marker
|
| + this.from = from; this.to = to
|
| +}
|
| +
|
| +// Search an array of spans for a span matching the given marker.
|
| +function getMarkedSpanFor(spans, marker) {
|
| + if (spans) { for (var i = 0; i < spans.length; ++i) {
|
| + var span = spans[i]
|
| + if (span.marker == marker) { return span }
|
| + } }
|
| +}
|
| +// Remove a span from an array, returning undefined if no spans are
|
| +// left (we don't store arrays for lines without spans).
|
| +function removeMarkedSpan(spans, span) {
|
| + var r
|
| + for (var i = 0; i < spans.length; ++i)
|
| + { if (spans[i] != span) { (r || (r = [])).push(spans[i]) } }
|
| + return r
|
| +}
|
| +// Add a span to a line.
|
| +function addMarkedSpan(line, span) {
|
| + line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]
|
| + span.marker.attachLine(line)
|
| +}
|
| +
|
| +// Used for the algorithm that adjusts markers for a change in the
|
| +// document. These functions cut an array of spans at a given
|
| +// character position, returning an array of remaining chunks (or
|
| +// undefined if nothing remains).
|
| +function markedSpansBefore(old, startCh, isInsert) {
|
| + var nw
|
| + if (old) { for (var i = 0; i < old.length; ++i) {
|
| + var span = old[i], marker = span.marker
|
| + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh)
|
| + if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
|
| + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh)
|
| + ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to))
|
| + }
|
| + } }
|
| + return nw
|
| +}
|
| +function markedSpansAfter(old, endCh, isInsert) {
|
| + var nw
|
| + if (old) { for (var i = 0; i < old.length; ++i) {
|
| + var span = old[i], marker = span.marker
|
| + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh)
|
| + if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
|
| + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh)
|
| + ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
|
| + span.to == null ? null : span.to - endCh))
|
| + }
|
| + } }
|
| + return nw
|
| +}
|
| +
|
| +// Given a change object, compute the new set of marker spans that
|
| +// cover the line in which the change took place. Removes spans
|
| +// entirely within the change, reconnects spans belonging to the
|
| +// same marker that appear on both sides of the change, and cuts off
|
| +// spans partially within the change. Returns an array of span
|
| +// arrays with one element for each line in (after) the change.
|
| +function stretchSpansOverChange(doc, change) {
|
| + if (change.full) { return null }
|
| + var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans
|
| + var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans
|
| + if (!oldFirst && !oldLast) { return null }
|
| +
|
| + var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0
|
| + // Get the spans that 'stick out' on both sides
|
| + var first = markedSpansBefore(oldFirst, startCh, isInsert)
|
| + var last = markedSpansAfter(oldLast, endCh, isInsert)
|
| +
|
| + // Next, merge those two ends
|
| + var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0)
|
| + if (first) {
|
| + // Fix up .to properties of first
|
| + for (var i = 0; i < first.length; ++i) {
|
| + var span = first[i]
|
| + if (span.to == null) {
|
| + var found = getMarkedSpanFor(last, span.marker)
|
| + if (!found) { span.to = startCh }
|
| + else if (sameLine) { span.to = found.to == null ? null : found.to + offset }
|
| + }
|
| + }
|
| + }
|
| + if (last) {
|
| + // Fix up .from in last (or move them into first in case of sameLine)
|
| + for (var i$1 = 0; i$1 < last.length; ++i$1) {
|
| + var span$1 = last[i$1]
|
| + if (span$1.to != null) { span$1.to += offset }
|
| + if (span$1.from == null) {
|
| + var found$1 = getMarkedSpanFor(first, span$1.marker)
|
| + if (!found$1) {
|
| + span$1.from = offset
|
| + if (sameLine) { (first || (first = [])).push(span$1) }
|
| + }
|
| + } else {
|
| + span$1.from += offset
|
| + if (sameLine) { (first || (first = [])).push(span$1) }
|
| + }
|
| + }
|
| + }
|
| + // Make sure we didn't create any zero-length spans
|
| + if (first) { first = clearEmptySpans(first) }
|
| + if (last && last != first) { last = clearEmptySpans(last) }
|
| +
|
| + var newMarkers = [first]
|
| + if (!sameLine) {
|
| + // Fill gap with whole-line-spans
|
| + var gap = change.text.length - 2, gapMarkers
|
| + if (gap > 0 && first)
|
| + { for (var i$2 = 0; i$2 < first.length; ++i$2)
|
| + { if (first[i$2].to == null)
|
| + { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)) } } }
|
| + for (var i$3 = 0; i$3 < gap; ++i$3)
|
| + { newMarkers.push(gapMarkers) }
|
| + newMarkers.push(last)
|
| + }
|
| + return newMarkers
|
| +}
|
| +
|
| +// Remove spans that are empty and don't have a clearWhenEmpty
|
| +// option of false.
|
| +function clearEmptySpans(spans) {
|
| + for (var i = 0; i < spans.length; ++i) {
|
| + var span = spans[i]
|
| + if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
|
| + { spans.splice(i--, 1) }
|
| + }
|
| + if (!spans.length) { return null }
|
| + return spans
|
| +}
|
| +
|
| +// Used to 'clip' out readOnly ranges when making a change.
|
| +function removeReadOnlyRanges(doc, from, to) {
|
| + var markers = null
|
| + doc.iter(from.line, to.line + 1, function (line) {
|
| + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
|
| + var mark = line.markedSpans[i].marker
|
| + if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
|
| + { (markers || (markers = [])).push(mark) }
|
| + } }
|
| + })
|
| + if (!markers) { return null }
|
| + var parts = [{from: from, to: to}]
|
| + for (var i = 0; i < markers.length; ++i) {
|
| + var mk = markers[i], m = mk.find(0)
|
| + for (var j = 0; j < parts.length; ++j) {
|
| + var p = parts[j]
|
| + if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }
|
| + var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to)
|
| + if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
|
| + { newParts.push({from: p.from, to: m.from}) }
|
| + if (dto > 0 || !mk.inclusiveRight && !dto)
|
| + { newParts.push({from: m.to, to: p.to}) }
|
| + parts.splice.apply(parts, newParts)
|
| + j += newParts.length - 3
|
| + }
|
| + }
|
| + return parts
|
| +}
|
| +
|
| +// Connect or disconnect spans from a line.
|
| +function detachMarkedSpans(line) {
|
| + var spans = line.markedSpans
|
| + if (!spans) { return }
|
| + for (var i = 0; i < spans.length; ++i)
|
| + { spans[i].marker.detachLine(line) }
|
| + line.markedSpans = null
|
| +}
|
| +function attachMarkedSpans(line, spans) {
|
| + if (!spans) { return }
|
| + for (var i = 0; i < spans.length; ++i)
|
| + { spans[i].marker.attachLine(line) }
|
| + line.markedSpans = spans
|
| +}
|
| +
|
| +// Helpers used when computing which overlapping collapsed span
|
| +// counts as the larger one.
|
| +function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }
|
| +function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }
|
| +
|
| +// Returns a number indicating which of two overlapping collapsed
|
| +// spans is larger (and thus includes the other). Falls back to
|
| +// comparing ids when the spans cover exactly the same range.
|
| +function compareCollapsedMarkers(a, b) {
|
| + var lenDiff = a.lines.length - b.lines.length
|
| + if (lenDiff != 0) { return lenDiff }
|
| + var aPos = a.find(), bPos = b.find()
|
| + var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b)
|
| + if (fromCmp) { return -fromCmp }
|
| + var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b)
|
| + if (toCmp) { return toCmp }
|
| + return b.id - a.id
|
| +}
|
| +
|
| +// Find out whether a line ends or starts in a collapsed span. If
|
| +// so, return the marker for that span.
|
| +function collapsedSpanAtSide(line, start) {
|
| + var sps = sawCollapsedSpans && line.markedSpans, found
|
| + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
|
| + sp = sps[i]
|
| + if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
|
| + (!found || compareCollapsedMarkers(found, sp.marker) < 0))
|
| + { found = sp.marker }
|
| + } }
|
| + return found
|
| +}
|
| +function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
|
| +function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }
|
| +
|
| +// Test whether there exists a collapsed span that partially
|
| +// overlaps (covers the start or end, but not both) of a new span.
|
| +// Such overlap is not allowed.
|
| +function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
|
| + var line = getLine(doc, lineNo)
|
| + var sps = sawCollapsedSpans && line.markedSpans
|
| + if (sps) { for (var i = 0; i < sps.length; ++i) {
|
| + var sp = sps[i]
|
| + if (!sp.marker.collapsed) { continue }
|
| + var found = sp.marker.find(0)
|
| + var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker)
|
| + var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker)
|
| + if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }
|
| + if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
|
| + fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
|
| + { return true }
|
| + } }
|
| +}
|
| +
|
| +// A visual line is a line as drawn on the screen. Folding, for
|
| +// example, can cause multiple logical lines to appear on the same
|
| +// visual line. This finds the start of the visual line that the
|
| +// given line is part of (usually that is the line itself).
|
| +function visualLine(line) {
|
| + var merged
|
| + while (merged = collapsedSpanAtStart(line))
|
| + { line = merged.find(-1, true).line }
|
| + return line
|
| +}
|
| +
|
| +function visualLineEnd(line) {
|
| + var merged
|
| + while (merged = collapsedSpanAtEnd(line))
|
| + { line = merged.find(1, true).line }
|
| + return line
|
| +}
|
| +
|
| +// Returns an array of logical lines that continue the visual line
|
| +// started by the argument, or undefined if there are no such lines.
|
| +function visualLineContinued(line) {
|
| + var merged, lines
|
| + while (merged = collapsedSpanAtEnd(line)) {
|
| + line = merged.find(1, true).line
|
| + ;(lines || (lines = [])).push(line)
|
| + }
|
| + return lines
|
| +}
|
| +
|
| +// Get the line number of the start of the visual line that the
|
| +// given line number is part of.
|
| +function visualLineNo(doc, lineN) {
|
| + var line = getLine(doc, lineN), vis = visualLine(line)
|
| + if (line == vis) { return lineN }
|
| + return lineNo(vis)
|
| +}
|
| +
|
| +// Get the line number of the start of the next visual line after
|
| +// the given line.
|
| +function visualLineEndNo(doc, lineN) {
|
| + if (lineN > doc.lastLine()) { return lineN }
|
| + var line = getLine(doc, lineN), merged
|
| + if (!lineIsHidden(doc, line)) { return lineN }
|
| + while (merged = collapsedSpanAtEnd(line))
|
| + { line = merged.find(1, true).line }
|
| + return lineNo(line) + 1
|
| +}
|
| +
|
| +// Compute whether a line is hidden. Lines count as hidden when they
|
| +// are part of a visual line that starts with another line, or when
|
| +// they are entirely covered by collapsed, non-widget span.
|
| +function lineIsHidden(doc, line) {
|
| + var sps = sawCollapsedSpans && line.markedSpans
|
| + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
|
| + sp = sps[i]
|
| + if (!sp.marker.collapsed) { continue }
|
| + if (sp.from == null) { return true }
|
| + if (sp.marker.widgetNode) { continue }
|
| + if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
|
| + { return true }
|
| + } }
|
| +}
|
| +function lineIsHiddenInner(doc, line, span) {
|
| + if (span.to == null) {
|
| + var end = span.marker.find(1, true)
|
| + return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))
|
| + }
|
| + if (span.marker.inclusiveRight && span.to == line.text.length)
|
| + { return true }
|
| + for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {
|
| + sp = line.markedSpans[i]
|
| + if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
|
| + (sp.to == null || sp.to != span.from) &&
|
| + (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
|
| + lineIsHiddenInner(doc, line, sp)) { return true }
|
| + }
|
| +}
|
| +
|
| +// Find the height above the given line.
|
| +function heightAtLine(lineObj) {
|
| + lineObj = visualLine(lineObj)
|
| +
|
| + var h = 0, chunk = lineObj.parent
|
| + for (var i = 0; i < chunk.lines.length; ++i) {
|
| + var line = chunk.lines[i]
|
| + if (line == lineObj) { break }
|
| + else { h += line.height }
|
| + }
|
| + for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
|
| + for (var i$1 = 0; i$1 < p.children.length; ++i$1) {
|
| + var cur = p.children[i$1]
|
| + if (cur == chunk) { break }
|
| + else { h += cur.height }
|
| + }
|
| + }
|
| + return h
|
| +}
|
| +
|
| +// Compute the character length of a line, taking into account
|
| +// collapsed ranges (see markText) that might hide parts, and join
|
| +// other lines onto it.
|
| +function lineLength(line) {
|
| + if (line.height == 0) { return 0 }
|
| + var len = line.text.length, merged, cur = line
|
| + while (merged = collapsedSpanAtStart(cur)) {
|
| + var found = merged.find(0, true)
|
| + cur = found.from.line
|
| + len += found.from.ch - found.to.ch
|
| + }
|
| + cur = line
|
| + while (merged = collapsedSpanAtEnd(cur)) {
|
| + var found$1 = merged.find(0, true)
|
| + len -= cur.text.length - found$1.from.ch
|
| + cur = found$1.to.line
|
| + len += cur.text.length - found$1.to.ch
|
| + }
|
| + return len
|
| +}
|
| +
|
| +// Find the longest line in the document.
|
| +function findMaxLine(cm) {
|
| + var d = cm.display, doc = cm.doc
|
| + d.maxLine = getLine(doc, doc.first)
|
| + d.maxLineLength = lineLength(d.maxLine)
|
| + d.maxLineChanged = true
|
| + doc.iter(function (line) {
|
| + var len = lineLength(line)
|
| + if (len > d.maxLineLength) {
|
| + d.maxLineLength = len
|
| + d.maxLine = line
|
| + }
|
| + })
|
| +}
|
| +
|
| +// BIDI HELPERS
|
| +
|
| +function iterateBidiSections(order, from, to, f) {
|
| + if (!order) { return f(from, to, "ltr") }
|
| + var found = false
|
| + for (var i = 0; i < order.length; ++i) {
|
| + var part = order[i]
|
| + if (part.from < to && part.to > from || from == to && part.to == from) {
|
| + f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr")
|
| + found = true
|
| + }
|
| + }
|
| + if (!found) { f(from, to, "ltr") }
|
| +}
|
| +
|
| +var bidiOther = null
|
| +function getBidiPartAt(order, ch, sticky) {
|
| + var found
|
| + bidiOther = null
|
| + for (var i = 0; i < order.length; ++i) {
|
| + var cur = order[i]
|
| + if (cur.from < ch && cur.to > ch) { return i }
|
| + if (cur.to == ch) {
|
| + if (cur.from != cur.to && sticky == "before") { found = i }
|
| + else { bidiOther = i }
|
| + }
|
| + if (cur.from == ch) {
|
| + if (cur.from != cur.to && sticky != "before") { found = i }
|
| + else { bidiOther = i }
|
| + }
|
| + }
|
| + return found != null ? found : bidiOther
|
| +}
|
| +
|
| +// Bidirectional ordering algorithm
|
| +// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
|
| +// that this (partially) implements.
|
| +
|
| +// One-char codes used for character types:
|
| +// L (L): Left-to-Right
|
| +// R (R): Right-to-Left
|
| +// r (AL): Right-to-Left Arabic
|
| +// 1 (EN): European Number
|
| +// + (ES): European Number Separator
|
| +// % (ET): European Number Terminator
|
| +// n (AN): Arabic Number
|
| +// , (CS): Common Number Separator
|
| +// m (NSM): Non-Spacing Mark
|
| +// b (BN): Boundary Neutral
|
| +// s (B): Paragraph Separator
|
| +// t (S): Segment Separator
|
| +// w (WS): Whitespace
|
| +// N (ON): Other Neutrals
|
| +
|
| +// Returns null if characters are ordered as they appear
|
| +// (left-to-right), or an array of sections ({from, to, level}
|
| +// objects) in the order in which they occur visually.
|
| +var bidiOrdering = (function() {
|
| + // Character types for codepoints 0 to 0xff
|
| + var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"
|
| + // Character types for codepoints 0x600 to 0x6f9
|
| + var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111"
|
| + function charType(code) {
|
| + if (code <= 0xf7) { return lowTypes.charAt(code) }
|
| + else if (0x590 <= code && code <= 0x5f4) { return "R" }
|
| + else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }
|
| + else if (0x6ee <= code && code <= 0x8ac) { return "r" }
|
| + else if (0x2000 <= code && code <= 0x200b) { return "w" }
|
| + else if (code == 0x200c) { return "b" }
|
| + else { return "L" }
|
| + }
|
| +
|
| + var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/
|
| + var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/
|
| +
|
| + function BidiSpan(level, from, to) {
|
| + this.level = level
|
| + this.from = from; this.to = to
|
| + }
|
| +
|
| + return function(str, direction) {
|
| + var outerType = direction == "ltr" ? "L" : "R"
|
| +
|
| + if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }
|
| + var len = str.length, types = []
|
| + for (var i = 0; i < len; ++i)
|
| + { types.push(charType(str.charCodeAt(i))) }
|
| +
|
| + // W1. Examine each non-spacing mark (NSM) in the level run, and
|
| + // change the type of the NSM to the type of the previous
|
| + // character. If the NSM is at the start of the level run, it will
|
| + // get the type of sor.
|
| + for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {
|
| + var type = types[i$1]
|
| + if (type == "m") { types[i$1] = prev }
|
| + else { prev = type }
|
| + }
|
| +
|
| + // W2. Search backwards from each instance of a European number
|
| + // until the first strong type (R, L, AL, or sor) is found. If an
|
| + // AL is found, change the type of the European number to Arabic
|
| + // number.
|
| + // W3. Change all ALs to R.
|
| + for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {
|
| + var type$1 = types[i$2]
|
| + if (type$1 == "1" && cur == "r") { types[i$2] = "n" }
|
| + else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R" } }
|
| + }
|
| +
|
| + // W4. A single European separator between two European numbers
|
| + // changes to a European number. A single common separator between
|
| + // two numbers of the same type changes to that type.
|
| + for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {
|
| + var type$2 = types[i$3]
|
| + if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1" }
|
| + else if (type$2 == "," && prev$1 == types[i$3+1] &&
|
| + (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1 }
|
| + prev$1 = type$2
|
| + }
|
| +
|
| + // W5. A sequence of European terminators adjacent to European
|
| + // numbers changes to all European numbers.
|
| + // W6. Otherwise, separators and terminators change to Other
|
| + // Neutral.
|
| + for (var i$4 = 0; i$4 < len; ++i$4) {
|
| + var type$3 = types[i$4]
|
| + if (type$3 == ",") { types[i$4] = "N" }
|
| + else if (type$3 == "%") {
|
| + var end = (void 0)
|
| + for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}
|
| + var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"
|
| + for (var j = i$4; j < end; ++j) { types[j] = replace }
|
| + i$4 = end - 1
|
| + }
|
| + }
|
| +
|
| + // W7. Search backwards from each instance of a European number
|
| + // until the first strong type (R, L, or sor) is found. If an L is
|
| + // found, then change the type of the European number to L.
|
| + for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {
|
| + var type$4 = types[i$5]
|
| + if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L" }
|
| + else if (isStrong.test(type$4)) { cur$1 = type$4 }
|
| + }
|
| +
|
| + // N1. A sequence of neutrals takes the direction of the
|
| + // surrounding strong text if the text on both sides has the same
|
| + // direction. European and Arabic numbers act as if they were R in
|
| + // terms of their influence on neutrals. Start-of-level-run (sor)
|
| + // and end-of-level-run (eor) are used at level run boundaries.
|
| + // N2. Any remaining neutrals take the embedding direction.
|
| + for (var i$6 = 0; i$6 < len; ++i$6) {
|
| + if (isNeutral.test(types[i$6])) {
|
| + var end$1 = (void 0)
|
| + for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}
|
| + var before = (i$6 ? types[i$6-1] : outerType) == "L"
|
| + var after = (end$1 < len ? types[end$1] : outerType) == "L"
|
| + var replace$1 = before == after ? (before ? "L" : "R") : outerType
|
| + for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1 }
|
| + i$6 = end$1 - 1
|
| + }
|
| + }
|
| +
|
| + // Here we depart from the documented algorithm, in order to avoid
|
| + // building up an actual levels array. Since there are only three
|
| + // levels (0, 1, 2) in an implementation that doesn't take
|
| + // explicit embedding into account, we can build up the order on
|
| + // the fly, without following the level-based algorithm.
|
| + var order = [], m
|
| + for (var i$7 = 0; i$7 < len;) {
|
| + if (countsAsLeft.test(types[i$7])) {
|
| + var start = i$7
|
| + for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}
|
| + order.push(new BidiSpan(0, start, i$7))
|
| + } else {
|
| + var pos = i$7, at = order.length
|
| + for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}
|
| + for (var j$2 = pos; j$2 < i$7;) {
|
| + if (countsAsNum.test(types[j$2])) {
|
| + if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)) }
|
| + var nstart = j$2
|
| + for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}
|
| + order.splice(at, 0, new BidiSpan(2, nstart, j$2))
|
| + pos = j$2
|
| + } else { ++j$2 }
|
| + }
|
| + if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)) }
|
| }
|
| + }
|
| + if (order[0].level == 1 && (m = str.match(/^\s+/))) {
|
| + order[0].from = m[0].length
|
| + order.unshift(new BidiSpan(0, 0, m[0].length))
|
| + }
|
| + if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
|
| + lst(order).to -= m[0].length
|
| + order.push(new BidiSpan(0, len - m[0].length, len))
|
| + }
|
|
|
| - if (wrapping)
|
| - return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th;
|
| - else
|
| - return widgetsHeight + th;
|
| - };
|
| + return direction == "rtl" ? order.reverse() : order
|
| }
|
| +})()
|
|
|
| - function estimateLineHeights(cm) {
|
| - var doc = cm.doc, est = estimateHeight(cm);
|
| - doc.iter(function(line) {
|
| - var estHeight = est(line);
|
| - if (estHeight != line.height) updateLineHeight(line, estHeight);
|
| - });
|
| - }
|
| +// Get the bidi ordering for the given line (and cache it). Returns
|
| +// false for lines that are fully left-to-right, and an array of
|
| +// BidiSpan objects otherwise.
|
| +function getOrder(line, direction) {
|
| + var order = line.order
|
| + if (order == null) { order = line.order = bidiOrdering(line.text, direction) }
|
| + return order
|
| +}
|
|
|
| - function themeChanged(cm) {
|
| - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
|
| - cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
|
| - clearCaches(cm);
|
| - }
|
| +function moveCharLogically(line, ch, dir) {
|
| + var target = skipExtendingChars(line.text, ch + dir, dir)
|
| + return target < 0 || target > line.text.length ? null : target
|
| +}
|
|
|
| - function guttersChanged(cm) {
|
| - updateGutters(cm);
|
| - regChange(cm);
|
| - setTimeout(function(){alignHorizontally(cm);}, 20);
|
| - }
|
| +function moveLogically(line, start, dir) {
|
| + var ch = moveCharLogically(line, start.ch, dir)
|
| + return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")
|
| +}
|
|
|
| - // Rebuild the gutter elements, ensure the margin to the left of the
|
| - // code matches their width.
|
| - function updateGutters(cm) {
|
| - var gutters = cm.display.gutters, specs = cm.options.gutters;
|
| - removeChildren(gutters);
|
| - for (var i = 0; i < specs.length; ++i) {
|
| - var gutterClass = specs[i];
|
| - var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
|
| - if (gutterClass == "CodeMirror-linenumbers") {
|
| - cm.display.lineGutter = gElt;
|
| - gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
|
| - }
|
| - }
|
| - gutters.style.display = i ? "" : "none";
|
| - updateGutterSpace(cm);
|
| - }
|
| -
|
| - function updateGutterSpace(cm) {
|
| - var width = cm.display.gutters.offsetWidth;
|
| - cm.display.sizer.style.marginLeft = width + "px";
|
| - }
|
| -
|
| - // Compute the character length of a line, taking into account
|
| - // collapsed ranges (see markText) that might hide parts, and join
|
| - // other lines onto it.
|
| - function lineLength(line) {
|
| - if (line.height == 0) return 0;
|
| - var len = line.text.length, merged, cur = line;
|
| - while (merged = collapsedSpanAtStart(cur)) {
|
| - var found = merged.find(0, true);
|
| - cur = found.from.line;
|
| - len += found.from.ch - found.to.ch;
|
| - }
|
| - cur = line;
|
| - while (merged = collapsedSpanAtEnd(cur)) {
|
| - var found = merged.find(0, true);
|
| - len -= cur.text.length - found.from.ch;
|
| - cur = found.to.line;
|
| - len += cur.text.length - found.to.ch;
|
| - }
|
| - return len;
|
| - }
|
| -
|
| - // Find the longest line in the document.
|
| - function findMaxLine(cm) {
|
| - var d = cm.display, doc = cm.doc;
|
| - d.maxLine = getLine(doc, doc.first);
|
| - d.maxLineLength = lineLength(d.maxLine);
|
| - d.maxLineChanged = true;
|
| - doc.iter(function(line) {
|
| - var len = lineLength(line);
|
| - if (len > d.maxLineLength) {
|
| - d.maxLineLength = len;
|
| - d.maxLine = line;
|
| - }
|
| - });
|
| - }
|
| -
|
| - // Make sure the gutters options contains the element
|
| - // "CodeMirror-linenumbers" when the lineNumbers option is true.
|
| - function setGuttersForLineNumbers(options) {
|
| - var found = indexOf(options.gutters, "CodeMirror-linenumbers");
|
| - if (found == -1 && options.lineNumbers) {
|
| - options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);
|
| - } else if (found > -1 && !options.lineNumbers) {
|
| - options.gutters = options.gutters.slice(0);
|
| - options.gutters.splice(found, 1);
|
| - }
|
| - }
|
| -
|
| - // SCROLLBARS
|
| -
|
| - // Prepare DOM reads needed to update the scrollbars. Done in one
|
| - // shot to minimize update/measure roundtrips.
|
| - function measureForScrollbars(cm) {
|
| - var d = cm.display, gutterW = d.gutters.offsetWidth;
|
| - var docH = Math.round(cm.doc.height + paddingVert(cm.display));
|
| - return {
|
| - clientHeight: d.scroller.clientHeight,
|
| - viewHeight: d.wrapper.clientHeight,
|
| - scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
|
| - viewWidth: d.wrapper.clientWidth,
|
| - barLeft: cm.options.fixedGutter ? gutterW : 0,
|
| - docHeight: docH,
|
| - scrollHeight: docH + scrollGap(cm) + d.barHeight,
|
| - nativeBarWidth: d.nativeBarWidth,
|
| - gutterWidth: gutterW
|
| - };
|
| - }
|
| -
|
| - function NativeScrollbars(place, scroll, cm) {
|
| - this.cm = cm;
|
| - var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
|
| - var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
|
| - place(vert); place(horiz);
|
| -
|
| - on(vert, "scroll", function() {
|
| - if (vert.clientHeight) scroll(vert.scrollTop, "vertical");
|
| - });
|
| - on(horiz, "scroll", function() {
|
| - if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal");
|
| - });
|
| -
|
| - this.checkedZeroWidth = false;
|
| - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
|
| - if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px";
|
| - }
|
| -
|
| - NativeScrollbars.prototype = copyObj({
|
| - update: function(measure) {
|
| - var needsH = measure.scrollWidth > measure.clientWidth + 1;
|
| - var needsV = measure.scrollHeight > measure.clientHeight + 1;
|
| - var sWidth = measure.nativeBarWidth;
|
| -
|
| - if (needsV) {
|
| - this.vert.style.display = "block";
|
| - this.vert.style.bottom = needsH ? sWidth + "px" : "0";
|
| - var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
|
| - // A bug in IE8 can cause this value to be negative, so guard it.
|
| - this.vert.firstChild.style.height =
|
| - Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
|
| +function endOfLine(visually, cm, lineObj, lineNo, dir) {
|
| + if (visually) {
|
| + var order = getOrder(lineObj, cm.doc.direction)
|
| + if (order) {
|
| + var part = dir < 0 ? lst(order) : order[0]
|
| + var moveInStorageOrder = (dir < 0) == (part.level == 1)
|
| + var sticky = moveInStorageOrder ? "after" : "before"
|
| + var ch
|
| + // With a wrapped rtl chunk (possibly spanning multiple bidi parts),
|
| + // it could be that the last bidi part is not on the last visual line,
|
| + // since visual lines contain content order-consecutive chunks.
|
| + // Thus, in rtl, we are looking for the first (content-order) character
|
| + // in the rtl chunk that is on the last line (that is, the same line
|
| + // as the last (content-order) character).
|
| + if (part.level > 0) {
|
| + var prep = prepareMeasureForLine(cm, lineObj)
|
| + ch = dir < 0 ? lineObj.text.length - 1 : 0
|
| + var targetTop = measureCharPrepared(cm, prep, ch).top
|
| + ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch)
|
| + if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1, true) }
|
| + } else { ch = dir < 0 ? part.to : part.from }
|
| + return new Pos(lineNo, ch, sticky)
|
| + }
|
| + }
|
| + return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")
|
| +}
|
| +
|
| +function moveVisually(cm, line, start, dir) {
|
| + var bidi = getOrder(line, cm.doc.direction)
|
| + if (!bidi) { return moveLogically(line, start, dir) }
|
| + if (start.ch >= line.text.length) {
|
| + start.ch = line.text.length
|
| + start.sticky = "before"
|
| + } else if (start.ch <= 0) {
|
| + start.ch = 0
|
| + start.sticky = "after"
|
| + }
|
| + var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos]
|
| + if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
|
| + // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,
|
| + // nothing interesting happens.
|
| + return moveLogically(line, start, dir)
|
| + }
|
| +
|
| + var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); }
|
| + var prep
|
| + var getWrappedLineExtent = function (ch) {
|
| + if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }
|
| + prep = prep || prepareMeasureForLine(cm, line)
|
| + return wrappedLineExtentChar(cm, line, prep, ch)
|
| + }
|
| + var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch)
|
| +
|
| + if (cm.doc.direction == "rtl" || part.level == 1) {
|
| + var moveInStorageOrder = (part.level == 1) == (dir < 0)
|
| + var ch = mv(start, moveInStorageOrder ? 1 : -1)
|
| + if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {
|
| + // Case 2: We move within an rtl part or in an rtl editor on the same visual line
|
| + var sticky = moveInStorageOrder ? "before" : "after"
|
| + return new Pos(start.line, ch, sticky)
|
| + }
|
| + }
|
| +
|
| + // Case 3: Could not move within this bidi part in this visual line, so leave
|
| + // the current bidi part
|
| +
|
| + var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {
|
| + var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder
|
| + ? new Pos(start.line, mv(ch, 1), "before")
|
| + : new Pos(start.line, ch, "after"); }
|
| +
|
| + for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {
|
| + var part = bidi[partPos]
|
| + var moveInStorageOrder = (dir > 0) == (part.level != 1)
|
| + var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1)
|
| + if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }
|
| + ch = moveInStorageOrder ? part.from : mv(part.to, -1)
|
| + if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }
|
| + }
|
| + }
|
| +
|
| + // Case 3a: Look for other bidi parts on the same visual line
|
| + var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent)
|
| + if (res) { return res }
|
| +
|
| + // Case 3b: Look for other bidi parts on the next visual line
|
| + var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1)
|
| + if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {
|
| + res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh))
|
| + if (res) { return res }
|
| + }
|
| +
|
| + // Case 4: Nowhere to move
|
| + return null
|
| +}
|
| +
|
| +// EVENT HANDLING
|
| +
|
| +// Lightweight event framework. on/off also work on DOM nodes,
|
| +// registering native DOM handlers.
|
| +
|
| +var noHandlers = []
|
| +
|
| +var on = function(emitter, type, f) {
|
| + if (emitter.addEventListener) {
|
| + emitter.addEventListener(type, f, false)
|
| + } else if (emitter.attachEvent) {
|
| + emitter.attachEvent("on" + type, f)
|
| + } else {
|
| + var map = emitter._handlers || (emitter._handlers = {})
|
| + map[type] = (map[type] || noHandlers).concat(f)
|
| + }
|
| +}
|
| +
|
| +function getHandlers(emitter, type) {
|
| + return emitter._handlers && emitter._handlers[type] || noHandlers
|
| +}
|
| +
|
| +function off(emitter, type, f) {
|
| + if (emitter.removeEventListener) {
|
| + emitter.removeEventListener(type, f, false)
|
| + } else if (emitter.detachEvent) {
|
| + emitter.detachEvent("on" + type, f)
|
| + } else {
|
| + var map = emitter._handlers, arr = map && map[type]
|
| + if (arr) {
|
| + var index = indexOf(arr, f)
|
| + if (index > -1)
|
| + { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)) }
|
| + }
|
| + }
|
| +}
|
| +
|
| +function signal(emitter, type /*, values...*/) {
|
| + var handlers = getHandlers(emitter, type)
|
| + if (!handlers.length) { return }
|
| + var args = Array.prototype.slice.call(arguments, 2)
|
| + for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args) }
|
| +}
|
| +
|
| +// The DOM events that CodeMirror handles can be overridden by
|
| +// registering a (non-DOM) handler on the editor for the event name,
|
| +// and preventDefault-ing the event in that handler.
|
| +function signalDOMEvent(cm, e, override) {
|
| + if (typeof e == "string")
|
| + { e = {type: e, preventDefault: function() { this.defaultPrevented = true }} }
|
| + signal(cm, override || e.type, cm, e)
|
| + return e_defaultPrevented(e) || e.codemirrorIgnore
|
| +}
|
| +
|
| +function signalCursorActivity(cm) {
|
| + var arr = cm._handlers && cm._handlers.cursorActivity
|
| + if (!arr) { return }
|
| + var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = [])
|
| + for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)
|
| + { set.push(arr[i]) } }
|
| +}
|
| +
|
| +function hasHandler(emitter, type) {
|
| + return getHandlers(emitter, type).length > 0
|
| +}
|
| +
|
| +// Add on and off methods to a constructor's prototype, to make
|
| +// registering events on such objects more convenient.
|
| +function eventMixin(ctor) {
|
| + ctor.prototype.on = function(type, f) {on(this, type, f)}
|
| + ctor.prototype.off = function(type, f) {off(this, type, f)}
|
| +}
|
| +
|
| +// Due to the fact that we still support jurassic IE versions, some
|
| +// compatibility wrappers are needed.
|
| +
|
| +function e_preventDefault(e) {
|
| + if (e.preventDefault) { e.preventDefault() }
|
| + else { e.returnValue = false }
|
| +}
|
| +function e_stopPropagation(e) {
|
| + if (e.stopPropagation) { e.stopPropagation() }
|
| + else { e.cancelBubble = true }
|
| +}
|
| +function e_defaultPrevented(e) {
|
| + return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false
|
| +}
|
| +function e_stop(e) {e_preventDefault(e); e_stopPropagation(e)}
|
| +
|
| +function e_target(e) {return e.target || e.srcElement}
|
| +function e_button(e) {
|
| + var b = e.which
|
| + if (b == null) {
|
| + if (e.button & 1) { b = 1 }
|
| + else if (e.button & 2) { b = 3 }
|
| + else if (e.button & 4) { b = 2 }
|
| + }
|
| + if (mac && e.ctrlKey && b == 1) { b = 3 }
|
| + return b
|
| +}
|
| +
|
| +// Detect drag-and-drop
|
| +var dragAndDrop = function() {
|
| + // There is *some* kind of drag-and-drop support in IE6-8, but I
|
| + // couldn't get it to work yet.
|
| + if (ie && ie_version < 9) { return false }
|
| + var div = elt('div')
|
| + return "draggable" in div || "dragDrop" in div
|
| +}()
|
| +
|
| +var zwspSupported
|
| +function zeroWidthElement(measure) {
|
| + if (zwspSupported == null) {
|
| + var test = elt("span", "\u200b")
|
| + removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]))
|
| + if (measure.firstChild.offsetHeight != 0)
|
| + { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8) }
|
| + }
|
| + var node = zwspSupported ? elt("span", "\u200b") :
|
| + elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px")
|
| + node.setAttribute("cm-text", "")
|
| + return node
|
| +}
|
| +
|
| +// Feature-detect IE's crummy client rect reporting for bidi text
|
| +var badBidiRects
|
| +function hasBadBidiRects(measure) {
|
| + if (badBidiRects != null) { return badBidiRects }
|
| + var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"))
|
| + var r0 = range(txt, 0, 1).getBoundingClientRect()
|
| + var r1 = range(txt, 1, 2).getBoundingClientRect()
|
| + removeChildren(measure)
|
| + if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)
|
| + return badBidiRects = (r1.right - r0.right < 3)
|
| +}
|
| +
|
| +// See if "".split is the broken IE version, if so, provide an
|
| +// alternative way to split lines.
|
| +var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
|
| + var pos = 0, result = [], l = string.length
|
| + while (pos <= l) {
|
| + var nl = string.indexOf("\n", pos)
|
| + if (nl == -1) { nl = string.length }
|
| + var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl)
|
| + var rt = line.indexOf("\r")
|
| + if (rt != -1) {
|
| + result.push(line.slice(0, rt))
|
| + pos += rt + 1
|
| + } else {
|
| + result.push(line)
|
| + pos = nl + 1
|
| + }
|
| + }
|
| + return result
|
| +} : function (string) { return string.split(/\r\n?|\n/); }
|
| +
|
| +var hasSelection = window.getSelection ? function (te) {
|
| + try { return te.selectionStart != te.selectionEnd }
|
| + catch(e) { return false }
|
| +} : function (te) {
|
| + var range
|
| + try {range = te.ownerDocument.selection.createRange()}
|
| + catch(e) {}
|
| + if (!range || range.parentElement() != te) { return false }
|
| + return range.compareEndPoints("StartToEnd", range) != 0
|
| +}
|
| +
|
| +var hasCopyEvent = (function () {
|
| + var e = elt("div")
|
| + if ("oncopy" in e) { return true }
|
| + e.setAttribute("oncopy", "return;")
|
| + return typeof e.oncopy == "function"
|
| +})()
|
| +
|
| +var badZoomedRects = null
|
| +function hasBadZoomedRects(measure) {
|
| + if (badZoomedRects != null) { return badZoomedRects }
|
| + var node = removeChildrenAndAdd(measure, elt("span", "x"))
|
| + var normal = node.getBoundingClientRect()
|
| + var fromRange = range(node, 0, 1).getBoundingClientRect()
|
| + return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1
|
| +}
|
| +
|
| +var modes = {};
|
| +var mimeModes = {};
|
| +// Extra arguments are stored as the mode's dependencies, which is
|
| +// used by (legacy) mechanisms like loadmode.js to automatically
|
| +// load a mode. (Preferred mechanism is the require/define calls.)
|
| +function defineMode(name, mode) {
|
| + if (arguments.length > 2)
|
| + { mode.dependencies = Array.prototype.slice.call(arguments, 2) }
|
| + modes[name] = mode
|
| +}
|
| +
|
| +function defineMIME(mime, spec) {
|
| + mimeModes[mime] = spec
|
| +}
|
| +
|
| +// Given a MIME type, a {name, ...options} config object, or a name
|
| +// string, return a mode config object.
|
| +function resolveMode(spec) {
|
| + if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
|
| + spec = mimeModes[spec]
|
| + } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
|
| + var found = mimeModes[spec.name]
|
| + if (typeof found == "string") { found = {name: found} }
|
| + spec = createObj(found, spec)
|
| + spec.name = found.name
|
| + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
|
| + return resolveMode("application/xml")
|
| + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
|
| + return resolveMode("application/json")
|
| + }
|
| + if (typeof spec == "string") { return {name: spec} }
|
| + else { return spec || {name: "null"} }
|
| +}
|
| +
|
| +// Given a mode spec (anything that resolveMode accepts), find and
|
| +// initialize an actual mode object.
|
| +function getMode(options, spec) {
|
| + spec = resolveMode(spec)
|
| + var mfactory = modes[spec.name]
|
| + if (!mfactory) { return getMode(options, "text/plain") }
|
| + var modeObj = mfactory(options, spec)
|
| + if (modeExtensions.hasOwnProperty(spec.name)) {
|
| + var exts = modeExtensions[spec.name]
|
| + for (var prop in exts) {
|
| + if (!exts.hasOwnProperty(prop)) { continue }
|
| + if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop] }
|
| + modeObj[prop] = exts[prop]
|
| + }
|
| + }
|
| + modeObj.name = spec.name
|
| + if (spec.helperType) { modeObj.helperType = spec.helperType }
|
| + if (spec.modeProps) { for (var prop$1 in spec.modeProps)
|
| + { modeObj[prop$1] = spec.modeProps[prop$1] } }
|
| +
|
| + return modeObj
|
| +}
|
| +
|
| +// This can be used to attach properties to mode objects from
|
| +// outside the actual mode definition.
|
| +var modeExtensions = {}
|
| +function extendMode(mode, properties) {
|
| + var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {})
|
| + copyObj(properties, exts)
|
| +}
|
| +
|
| +function copyState(mode, state) {
|
| + if (state === true) { return state }
|
| + if (mode.copyState) { return mode.copyState(state) }
|
| + var nstate = {}
|
| + for (var n in state) {
|
| + var val = state[n]
|
| + if (val instanceof Array) { val = val.concat([]) }
|
| + nstate[n] = val
|
| + }
|
| + return nstate
|
| +}
|
| +
|
| +// Given a mode and a state (for that mode), find the inner mode and
|
| +// state at the position that the state refers to.
|
| +function innerMode(mode, state) {
|
| + var info
|
| + while (mode.innerMode) {
|
| + info = mode.innerMode(state)
|
| + if (!info || info.mode == mode) { break }
|
| + state = info.state
|
| + mode = info.mode
|
| + }
|
| + return info || {mode: mode, state: state}
|
| +}
|
| +
|
| +function startState(mode, a1, a2) {
|
| + return mode.startState ? mode.startState(a1, a2) : true
|
| +}
|
| +
|
| +// STRING STREAM
|
| +
|
| +// Fed to the mode parsers, provides helper functions to make
|
| +// parsers more succinct.
|
| +
|
| +var StringStream = function StringStream(string, tabSize) {
|
| + this.pos = this.start = 0
|
| + this.string = string
|
| + this.tabSize = tabSize || 8
|
| + this.lastColumnPos = this.lastColumnValue = 0
|
| + this.lineStart = 0
|
| +};
|
| +
|
| +StringStream.prototype.eol = function eol () {return this.pos >= this.string.length};
|
| +StringStream.prototype.sol = function sol () {return this.pos == this.lineStart};
|
| +StringStream.prototype.peek = function peek () {return this.string.charAt(this.pos) || undefined};
|
| +StringStream.prototype.next = function next () {
|
| + if (this.pos < this.string.length)
|
| + { return this.string.charAt(this.pos++) }
|
| +};
|
| +StringStream.prototype.eat = function eat (match) {
|
| + var ch = this.string.charAt(this.pos)
|
| + var ok
|
| + if (typeof match == "string") { ok = ch == match }
|
| + else { ok = ch && (match.test ? match.test(ch) : match(ch)) }
|
| + if (ok) {++this.pos; return ch}
|
| +};
|
| +StringStream.prototype.eatWhile = function eatWhile (match) {
|
| + var start = this.pos
|
| + while (this.eat(match)){}
|
| + return this.pos > start
|
| +};
|
| +StringStream.prototype.eatSpace = function eatSpace () {
|
| + var this$1 = this;
|
| +
|
| + var start = this.pos
|
| + while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos }
|
| + return this.pos > start
|
| +};
|
| +StringStream.prototype.skipToEnd = function skipToEnd () {this.pos = this.string.length};
|
| +StringStream.prototype.skipTo = function skipTo (ch) {
|
| + var found = this.string.indexOf(ch, this.pos)
|
| + if (found > -1) {this.pos = found; return true}
|
| +};
|
| +StringStream.prototype.backUp = function backUp (n) {this.pos -= n};
|
| +StringStream.prototype.column = function column () {
|
| + if (this.lastColumnPos < this.start) {
|
| + this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue)
|
| + this.lastColumnPos = this.start
|
| + }
|
| + return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
|
| +};
|
| +StringStream.prototype.indentation = function indentation () {
|
| + return countColumn(this.string, null, this.tabSize) -
|
| + (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
|
| +};
|
| +StringStream.prototype.match = function match (pattern, consume, caseInsensitive) {
|
| + if (typeof pattern == "string") {
|
| + var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; }
|
| + var substr = this.string.substr(this.pos, pattern.length)
|
| + if (cased(substr) == cased(pattern)) {
|
| + if (consume !== false) { this.pos += pattern.length }
|
| + return true
|
| + }
|
| + } else {
|
| + var match = this.string.slice(this.pos).match(pattern)
|
| + if (match && match.index > 0) { return null }
|
| + if (match && consume !== false) { this.pos += match[0].length }
|
| + return match
|
| + }
|
| +};
|
| +StringStream.prototype.current = function current (){return this.string.slice(this.start, this.pos)};
|
| +StringStream.prototype.hideFirstChars = function hideFirstChars (n, inner) {
|
| + this.lineStart += n
|
| + try { return inner() }
|
| + finally { this.lineStart -= n }
|
| +};
|
| +
|
| +// Compute a style array (an array starting with a mode generation
|
| +// -- for invalidation -- followed by pairs of end positions and
|
| +// style strings), which is used to highlight the tokens on the
|
| +// line.
|
| +function highlightLine(cm, line, state, forceToEnd) {
|
| + // A styles array always starts with a number identifying the
|
| + // mode/overlays that it is based on (for easy invalidation).
|
| + var st = [cm.state.modeGen], lineClasses = {}
|
| + // Compute the base array of styles
|
| + runMode(cm, line.text, cm.doc.mode, state, function (end, style) { return st.push(end, style); },
|
| + lineClasses, forceToEnd)
|
| +
|
| + // Run overlays, adjust style array.
|
| + var loop = function ( o ) {
|
| + var overlay = cm.state.overlays[o], i = 1, at = 0
|
| + runMode(cm, line.text, overlay.mode, true, function (end, style) {
|
| + var start = i
|
| + // Ensure there's a token end at the current position, and that i points at it
|
| + while (at < end) {
|
| + var i_end = st[i]
|
| + if (i_end > end)
|
| + { st.splice(i, 1, end, st[i+1], i_end) }
|
| + i += 2
|
| + at = Math.min(end, i_end)
|
| + }
|
| + if (!style) { return }
|
| + if (overlay.opaque) {
|
| + st.splice(start, i - start, end, "overlay " + style)
|
| + i = start + 2
|
| } else {
|
| - this.vert.style.display = "";
|
| - this.vert.firstChild.style.height = "0";
|
| + for (; start < i; start += 2) {
|
| + var cur = st[start+1]
|
| + st[start+1] = (cur ? cur + " " : "") + "overlay " + style
|
| + }
|
| }
|
| + }, lineClasses)
|
| + };
|
|
|
| - if (needsH) {
|
| - this.horiz.style.display = "block";
|
| - this.horiz.style.right = needsV ? sWidth + "px" : "0";
|
| - this.horiz.style.left = measure.barLeft + "px";
|
| - var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
|
| - this.horiz.firstChild.style.width =
|
| - (measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
|
| + for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );
|
| +
|
| + return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
|
| +}
|
| +
|
| +function getLineStyles(cm, line, updateFrontier) {
|
| + if (!line.styles || line.styles[0] != cm.state.modeGen) {
|
| + var state = getStateBefore(cm, lineNo(line))
|
| + var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state)
|
| + line.stateAfter = state
|
| + line.styles = result.styles
|
| + if (result.classes) { line.styleClasses = result.classes }
|
| + else if (line.styleClasses) { line.styleClasses = null }
|
| + if (updateFrontier === cm.doc.frontier) { cm.doc.frontier++ }
|
| + }
|
| + return line.styles
|
| +}
|
| +
|
| +function getStateBefore(cm, n, precise) {
|
| + var doc = cm.doc, display = cm.display
|
| + if (!doc.mode.startState) { return true }
|
| + var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter
|
| + if (!state) { state = startState(doc.mode) }
|
| + else { state = copyState(doc.mode, state) }
|
| + doc.iter(pos, n, function (line) {
|
| + processLine(cm, line.text, state)
|
| + var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo
|
| + line.stateAfter = save ? copyState(doc.mode, state) : null
|
| + ++pos
|
| + })
|
| + if (precise) { doc.frontier = pos }
|
| + return state
|
| +}
|
| +
|
| +// Lightweight form of highlight -- proceed over this line and
|
| +// update state, but don't save a style array. Used for lines that
|
| +// aren't currently visible.
|
| +function processLine(cm, text, state, startAt) {
|
| + var mode = cm.doc.mode
|
| + var stream = new StringStream(text, cm.options.tabSize)
|
| + stream.start = stream.pos = startAt || 0
|
| + if (text == "") { callBlankLine(mode, state) }
|
| + while (!stream.eol()) {
|
| + readToken(mode, stream, state)
|
| + stream.start = stream.pos
|
| + }
|
| +}
|
| +
|
| +function callBlankLine(mode, state) {
|
| + if (mode.blankLine) { return mode.blankLine(state) }
|
| + if (!mode.innerMode) { return }
|
| + var inner = innerMode(mode, state)
|
| + if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
|
| +}
|
| +
|
| +function readToken(mode, stream, state, inner) {
|
| + for (var i = 0; i < 10; i++) {
|
| + if (inner) { inner[0] = innerMode(mode, state).mode }
|
| + var style = mode.token(stream, state)
|
| + if (stream.pos > stream.start) { return style }
|
| + }
|
| + throw new Error("Mode " + mode.name + " failed to advance stream.")
|
| +}
|
| +
|
| +// Utility for getTokenAt and getLineTokens
|
| +function takeToken(cm, pos, precise, asArray) {
|
| + var getObj = function (copy) { return ({
|
| + start: stream.start, end: stream.pos,
|
| + string: stream.current(),
|
| + type: style || null,
|
| + state: copy ? copyState(doc.mode, state) : state
|
| + }); }
|
| +
|
| + var doc = cm.doc, mode = doc.mode, style
|
| + pos = clipPos(doc, pos)
|
| + var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise)
|
| + var stream = new StringStream(line.text, cm.options.tabSize), tokens
|
| + if (asArray) { tokens = [] }
|
| + while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
|
| + stream.start = stream.pos
|
| + style = readToken(mode, stream, state)
|
| + if (asArray) { tokens.push(getObj(true)) }
|
| + }
|
| + return asArray ? tokens : getObj()
|
| +}
|
| +
|
| +function extractLineClasses(type, output) {
|
| + if (type) { for (;;) {
|
| + var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/)
|
| + if (!lineClass) { break }
|
| + type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length)
|
| + var prop = lineClass[1] ? "bgClass" : "textClass"
|
| + if (output[prop] == null)
|
| + { output[prop] = lineClass[2] }
|
| + else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
|
| + { output[prop] += " " + lineClass[2] }
|
| + } }
|
| + return type
|
| +}
|
| +
|
| +// Run the given mode's parser over a line, calling f for each token.
|
| +function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) {
|
| + var flattenSpans = mode.flattenSpans
|
| + if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans }
|
| + var curStart = 0, curStyle = null
|
| + var stream = new StringStream(text, cm.options.tabSize), style
|
| + var inner = cm.options.addModeClass && [null]
|
| + if (text == "") { extractLineClasses(callBlankLine(mode, state), lineClasses) }
|
| + while (!stream.eol()) {
|
| + if (stream.pos > cm.options.maxHighlightLength) {
|
| + flattenSpans = false
|
| + if (forceToEnd) { processLine(cm, text, state, stream.pos) }
|
| + stream.pos = text.length
|
| + style = null
|
| + } else {
|
| + style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses)
|
| + }
|
| + if (inner) {
|
| + var mName = inner[0].name
|
| + if (mName) { style = "m-" + (style ? mName + " " + style : mName) }
|
| + }
|
| + if (!flattenSpans || curStyle != style) {
|
| + while (curStart < stream.start) {
|
| + curStart = Math.min(stream.start, curStart + 5000)
|
| + f(curStart, curStyle)
|
| + }
|
| + curStyle = style
|
| + }
|
| + stream.start = stream.pos
|
| + }
|
| + while (curStart < stream.pos) {
|
| + // Webkit seems to refuse to render text nodes longer than 57444
|
| + // characters, and returns inaccurate measurements in nodes
|
| + // starting around 5000 chars.
|
| + var pos = Math.min(stream.pos, curStart + 5000)
|
| + f(pos, curStyle)
|
| + curStart = pos
|
| + }
|
| +}
|
| +
|
| +// Finds the line to start with when starting a parse. Tries to
|
| +// find a line with a stateAfter, so that it can start with a
|
| +// valid state. If that fails, it returns the line with the
|
| +// smallest indentation, which tends to need the least context to
|
| +// parse correctly.
|
| +function findStartLine(cm, n, precise) {
|
| + var minindent, minline, doc = cm.doc
|
| + var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100)
|
| + for (var search = n; search > lim; --search) {
|
| + if (search <= doc.first) { return doc.first }
|
| + var line = getLine(doc, search - 1)
|
| + if (line.stateAfter && (!precise || search <= doc.frontier)) { return search }
|
| + var indented = countColumn(line.text, null, cm.options.tabSize)
|
| + if (minline == null || minindent > indented) {
|
| + minline = search - 1
|
| + minindent = indented
|
| + }
|
| + }
|
| + return minline
|
| +}
|
| +
|
| +// LINE DATA STRUCTURE
|
| +
|
| +// Line objects. These hold state related to a line, including
|
| +// highlighting info (the styles array).
|
| +var Line = function Line(text, markedSpans, estimateHeight) {
|
| + this.text = text
|
| + attachMarkedSpans(this, markedSpans)
|
| + this.height = estimateHeight ? estimateHeight(this) : 1
|
| +};
|
| +
|
| +Line.prototype.lineNo = function lineNo$1 () { return lineNo(this) };
|
| +eventMixin(Line)
|
| +
|
| +// Change the content (text, markers) of a line. Automatically
|
| +// invalidates cached information and tries to re-estimate the
|
| +// line's height.
|
| +function updateLine(line, text, markedSpans, estimateHeight) {
|
| + line.text = text
|
| + if (line.stateAfter) { line.stateAfter = null }
|
| + if (line.styles) { line.styles = null }
|
| + if (line.order != null) { line.order = null }
|
| + detachMarkedSpans(line)
|
| + attachMarkedSpans(line, markedSpans)
|
| + var estHeight = estimateHeight ? estimateHeight(line) : 1
|
| + if (estHeight != line.height) { updateLineHeight(line, estHeight) }
|
| +}
|
| +
|
| +// Detach a line from the document tree and its markers.
|
| +function cleanUpLine(line) {
|
| + line.parent = null
|
| + detachMarkedSpans(line)
|
| +}
|
| +
|
| +// Convert a style as returned by a mode (either null, or a string
|
| +// containing one or more styles) to a CSS style. This is cached,
|
| +// and also looks for line-wide styles.
|
| +var styleToClassCache = {};
|
| +var styleToClassCacheWithMode = {};
|
| +function interpretTokenStyle(style, options) {
|
| + if (!style || /^\s*$/.test(style)) { return null }
|
| + var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache
|
| + return cache[style] ||
|
| + (cache[style] = style.replace(/\S+/g, "cm-$&"))
|
| +}
|
| +
|
| +// Render the DOM representation of the text of a line. Also builds
|
| +// up a 'line map', which points at the DOM nodes that represent
|
| +// specific stretches of text, and is used by the measuring code.
|
| +// The returned object contains the DOM node, this map, and
|
| +// information about line-wide styles that were set by the mode.
|
| +function buildLineContent(cm, lineView) {
|
| + // The padding-right forces the element to have a 'border', which
|
| + // is needed on Webkit to be able to get line-level bounding
|
| + // rectangles for it (in measureChar).
|
| + var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null)
|
| + var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,
|
| + col: 0, pos: 0, cm: cm,
|
| + trailingSpace: false,
|
| + splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}
|
| + lineView.measure = {}
|
| +
|
| + // Iterate over the logical lines that make up this visual line.
|
| + for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
|
| + var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0)
|
| + builder.pos = 0
|
| + builder.addToken = buildToken
|
| + // Optionally wire in some hacks into the token-rendering
|
| + // algorithm, to deal with browser quirks.
|
| + if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
|
| + { builder.addToken = buildTokenBadBidi(builder.addToken, order) }
|
| + builder.map = []
|
| + var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line)
|
| + insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate))
|
| + if (line.styleClasses) {
|
| + if (line.styleClasses.bgClass)
|
| + { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "") }
|
| + if (line.styleClasses.textClass)
|
| + { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "") }
|
| + }
|
| +
|
| + // Ensure at least a single node is present, for measuring.
|
| + if (builder.map.length == 0)
|
| + { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))) }
|
| +
|
| + // Store the map and a cache object for the current logical line
|
| + if (i == 0) {
|
| + lineView.measure.map = builder.map
|
| + lineView.measure.cache = {}
|
| + } else {
|
| + ;(lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)
|
| + ;(lineView.measure.caches || (lineView.measure.caches = [])).push({})
|
| + }
|
| + }
|
| +
|
| + // See issue #2901
|
| + if (webkit) {
|
| + var last = builder.content.lastChild
|
| + if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
|
| + { builder.content.className = "cm-tab-wrap-hack" }
|
| + }
|
| +
|
| + signal(cm, "renderLine", cm, lineView.line, builder.pre)
|
| + if (builder.pre.className)
|
| + { builder.textClass = joinClasses(builder.pre.className, builder.textClass || "") }
|
| +
|
| + return builder
|
| +}
|
| +
|
| +function defaultSpecialCharPlaceholder(ch) {
|
| + var token = elt("span", "\u2022", "cm-invalidchar")
|
| + token.title = "\\u" + ch.charCodeAt(0).toString(16)
|
| + token.setAttribute("aria-label", token.title)
|
| + return token
|
| +}
|
| +
|
| +// Build up the DOM representation for a single token, and add it to
|
| +// the line map. Takes care to render special characters separately.
|
| +function buildToken(builder, text, style, startStyle, endStyle, title, css) {
|
| + if (!text) { return }
|
| + var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text
|
| + var special = builder.cm.state.specialChars, mustWrap = false
|
| + var content
|
| + if (!special.test(text)) {
|
| + builder.col += text.length
|
| + content = document.createTextNode(displayText)
|
| + builder.map.push(builder.pos, builder.pos + text.length, content)
|
| + if (ie && ie_version < 9) { mustWrap = true }
|
| + builder.pos += text.length
|
| + } else {
|
| + content = document.createDocumentFragment()
|
| + var pos = 0
|
| + while (true) {
|
| + special.lastIndex = pos
|
| + var m = special.exec(text)
|
| + var skipped = m ? m.index - pos : text.length - pos
|
| + if (skipped) {
|
| + var txt = document.createTextNode(displayText.slice(pos, pos + skipped))
|
| + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])) }
|
| + else { content.appendChild(txt) }
|
| + builder.map.push(builder.pos, builder.pos + skipped, txt)
|
| + builder.col += skipped
|
| + builder.pos += skipped
|
| + }
|
| + if (!m) { break }
|
| + pos += skipped + 1
|
| + var txt$1 = (void 0)
|
| + if (m[0] == "\t") {
|
| + var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize
|
| + txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"))
|
| + txt$1.setAttribute("role", "presentation")
|
| + txt$1.setAttribute("cm-text", "\t")
|
| + builder.col += tabWidth
|
| + } else if (m[0] == "\r" || m[0] == "\n") {
|
| + txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"))
|
| + txt$1.setAttribute("cm-text", m[0])
|
| + builder.col += 1
|
| } else {
|
| - this.horiz.style.display = "";
|
| - this.horiz.firstChild.style.width = "0";
|
| - }
|
| -
|
| - if (!this.checkedZeroWidth && measure.clientHeight > 0) {
|
| - if (sWidth == 0) this.zeroWidthHack();
|
| - this.checkedZeroWidth = true;
|
| + txt$1 = builder.cm.options.specialCharPlaceholder(m[0])
|
| + txt$1.setAttribute("cm-text", m[0])
|
| + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])) }
|
| + else { content.appendChild(txt$1) }
|
| + builder.col += 1
|
| + }
|
| + builder.map.push(builder.pos, builder.pos + 1, txt$1)
|
| + builder.pos++
|
| + }
|
| + }
|
| + builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32
|
| + if (style || startStyle || endStyle || mustWrap || css) {
|
| + var fullStyle = style || ""
|
| + if (startStyle) { fullStyle += startStyle }
|
| + if (endStyle) { fullStyle += endStyle }
|
| + var token = elt("span", [content], fullStyle, css)
|
| + if (title) { token.title = title }
|
| + return builder.content.appendChild(token)
|
| + }
|
| + builder.content.appendChild(content)
|
| +}
|
| +
|
| +function splitSpaces(text, trailingBefore) {
|
| + if (text.length > 1 && !/ /.test(text)) { return text }
|
| + var spaceBefore = trailingBefore, result = ""
|
| + for (var i = 0; i < text.length; i++) {
|
| + var ch = text.charAt(i)
|
| + if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
|
| + { ch = "\u00a0" }
|
| + result += ch
|
| + spaceBefore = ch == " "
|
| + }
|
| + return result
|
| +}
|
| +
|
| +// Work around nonsense dimensions being reported for stretches of
|
| +// right-to-left text.
|
| +function buildTokenBadBidi(inner, order) {
|
| + return function (builder, text, style, startStyle, endStyle, title, css) {
|
| + style = style ? style + " cm-force-border" : "cm-force-border"
|
| + var start = builder.pos, end = start + text.length
|
| + for (;;) {
|
| + // Find the part that overlaps with the start of this text
|
| + var part = (void 0)
|
| + for (var i = 0; i < order.length; i++) {
|
| + part = order[i]
|
| + if (part.to > start && part.from <= start) { break }
|
| + }
|
| + if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) }
|
| + inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css)
|
| + startStyle = null
|
| + text = text.slice(part.to - start)
|
| + start = part.to
|
| + }
|
| + }
|
| +}
|
| +
|
| +function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
|
| + var widget = !ignoreWidget && marker.widgetNode
|
| + if (widget) { builder.map.push(builder.pos, builder.pos + size, widget) }
|
| + if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
|
| + if (!widget)
|
| + { widget = builder.content.appendChild(document.createElement("span")) }
|
| + widget.setAttribute("cm-marker", marker.id)
|
| + }
|
| + if (widget) {
|
| + builder.cm.display.input.setUneditable(widget)
|
| + builder.content.appendChild(widget)
|
| + }
|
| + builder.pos += size
|
| + builder.trailingSpace = false
|
| +}
|
| +
|
| +// Outputs a number of spans to make up a line, taking highlighting
|
| +// and marked text into account.
|
| +function insertLineContent(line, builder, styles) {
|
| + var spans = line.markedSpans, allText = line.text, at = 0
|
| + if (!spans) {
|
| + for (var i$1 = 1; i$1 < styles.length; i$1+=2)
|
| + { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)) }
|
| + return
|
| + }
|
| +
|
| + var len = allText.length, pos = 0, i = 1, text = "", style, css
|
| + var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed
|
| + for (;;) {
|
| + if (nextChange == pos) { // Update current marker set
|
| + spanStyle = spanEndStyle = spanStartStyle = title = css = ""
|
| + collapsed = null; nextChange = Infinity
|
| + var foundBookmarks = [], endStyles = (void 0)
|
| + for (var j = 0; j < spans.length; ++j) {
|
| + var sp = spans[j], m = sp.marker
|
| + if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
|
| + foundBookmarks.push(m)
|
| + } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
|
| + if (sp.to != null && sp.to != pos && nextChange > sp.to) {
|
| + nextChange = sp.to
|
| + spanEndStyle = ""
|
| + }
|
| + if (m.className) { spanStyle += " " + m.className }
|
| + if (m.css) { css = (css ? css + ";" : "") + m.css }
|
| + if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle }
|
| + if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to) }
|
| + if (m.title && !title) { title = m.title }
|
| + if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
|
| + { collapsed = sp }
|
| + } else if (sp.from > pos && nextChange > sp.from) {
|
| + nextChange = sp.from
|
| + }
|
| }
|
| + if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)
|
| + { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1] } } }
|
|
|
| - return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0};
|
| - },
|
| - setScrollLeft: function(pos) {
|
| - if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos;
|
| - if (this.disableHoriz) this.enableZeroWidthBar(this.horiz, this.disableHoriz);
|
| - },
|
| - setScrollTop: function(pos) {
|
| - if (this.vert.scrollTop != pos) this.vert.scrollTop = pos;
|
| - if (this.disableVert) this.enableZeroWidthBar(this.vert, this.disableVert);
|
| - },
|
| - zeroWidthHack: function() {
|
| - var w = mac && !mac_geMountainLion ? "12px" : "18px";
|
| - this.horiz.style.height = this.vert.style.width = w;
|
| - this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";
|
| - this.disableHoriz = new Delayed;
|
| - this.disableVert = new Delayed;
|
| - },
|
| - enableZeroWidthBar: function(bar, delay) {
|
| - bar.style.pointerEvents = "auto";
|
| - function maybeDisable() {
|
| - // To find out whether the scrollbar is still visible, we
|
| - // check whether the element under the pixel in the bottom
|
| - // left corner of the scrollbar box is the scrollbar box
|
| - // itself (when the bar is still visible) or its filler child
|
| - // (when the bar is hidden). If it is still visible, we keep
|
| - // it enabled, if it's hidden, we disable pointer events.
|
| - var box = bar.getBoundingClientRect();
|
| - var elt = document.elementFromPoint(box.left + 1, box.bottom - 1);
|
| - if (elt != bar) bar.style.pointerEvents = "none";
|
| - else delay.set(1000, maybeDisable);
|
| - }
|
| - delay.set(1000, maybeDisable);
|
| - },
|
| - clear: function() {
|
| - var parent = this.horiz.parentNode;
|
| - parent.removeChild(this.horiz);
|
| - parent.removeChild(this.vert);
|
| - }
|
| - }, NativeScrollbars.prototype);
|
| -
|
| - function NullScrollbars() {}
|
| -
|
| - NullScrollbars.prototype = copyObj({
|
| - update: function() { return {bottom: 0, right: 0}; },
|
| - setScrollLeft: function() {},
|
| - setScrollTop: function() {},
|
| - clear: function() {}
|
| - }, NullScrollbars.prototype);
|
| -
|
| - CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};
|
| -
|
| - function initScrollbars(cm) {
|
| - if (cm.display.scrollbars) {
|
| - cm.display.scrollbars.clear();
|
| - if (cm.display.scrollbars.addClass)
|
| - rmClass(cm.display.wrapper, cm.display.scrollbars.addClass);
|
| - }
|
| -
|
| - cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) {
|
| - cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
|
| - // Prevent clicks in the scrollbars from killing focus
|
| - on(node, "mousedown", function() {
|
| - if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0);
|
| - });
|
| - node.setAttribute("cm-not-content", "true");
|
| - }, function(pos, axis) {
|
| - if (axis == "horizontal") setScrollLeft(cm, pos);
|
| - else setScrollTop(cm, pos);
|
| - }, cm);
|
| - if (cm.display.scrollbars.addClass)
|
| - addClass(cm.display.wrapper, cm.display.scrollbars.addClass);
|
| - }
|
| -
|
| - function updateScrollbars(cm, measure) {
|
| - if (!measure) measure = measureForScrollbars(cm);
|
| - var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
|
| - updateScrollbarsInner(cm, measure);
|
| - for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
|
| - if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
|
| - updateHeightsInViewport(cm);
|
| - updateScrollbarsInner(cm, measureForScrollbars(cm));
|
| - startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
|
| - }
|
| - }
|
| -
|
| - // Re-synchronize the fake scrollbars with the actual size of the
|
| - // content.
|
| - function updateScrollbarsInner(cm, measure) {
|
| - var d = cm.display;
|
| - var sizes = d.scrollbars.update(measure);
|
| -
|
| - d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
|
| - d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
|
| - d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent"
|
| -
|
| - if (sizes.right && sizes.bottom) {
|
| - d.scrollbarFiller.style.display = "block";
|
| - d.scrollbarFiller.style.height = sizes.bottom + "px";
|
| - d.scrollbarFiller.style.width = sizes.right + "px";
|
| - } else d.scrollbarFiller.style.display = "";
|
| - if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
|
| - d.gutterFiller.style.display = "block";
|
| - d.gutterFiller.style.height = sizes.bottom + "px";
|
| - d.gutterFiller.style.width = measure.gutterWidth + "px";
|
| - } else d.gutterFiller.style.display = "";
|
| - }
|
| -
|
| - // Compute the lines that are visible in a given viewport (defaults
|
| - // the the current scroll position). viewport may contain top,
|
| - // height, and ensure (see op.scrollToPos) properties.
|
| - function visibleLines(display, doc, viewport) {
|
| - var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
|
| - top = Math.floor(top - paddingTop(display));
|
| - var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
|
| -
|
| - var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
|
| - // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
|
| - // forces those lines into the viewport (if possible).
|
| - if (viewport && viewport.ensure) {
|
| - var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
|
| - if (ensureFrom < from) {
|
| - from = ensureFrom;
|
| - to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
|
| - } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
|
| - from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
|
| - to = ensureTo;
|
| + if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)
|
| + { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]) } }
|
| + if (collapsed && (collapsed.from || 0) == pos) {
|
| + buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
|
| + collapsed.marker, collapsed.from == null)
|
| + if (collapsed.to == null) { return }
|
| + if (collapsed.to == pos) { collapsed = false }
|
| }
|
| }
|
| - return {from: from, to: Math.max(to, from + 1)};
|
| - }
|
| + if (pos >= len) { break }
|
|
|
| - // LINE NUMBERS
|
| -
|
| - // Re-align line numbers and gutter marks to compensate for
|
| - // horizontal scrolling.
|
| - function alignHorizontally(cm) {
|
| - var display = cm.display, view = display.view;
|
| - if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return;
|
| - var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
|
| - var gutterW = display.gutters.offsetWidth, left = comp + "px";
|
| - for (var i = 0; i < view.length; i++) if (!view[i].hidden) {
|
| - if (cm.options.fixedGutter) {
|
| - if (view[i].gutter)
|
| - view[i].gutter.style.left = left;
|
| - if (view[i].gutterBackground)
|
| - view[i].gutterBackground.style.left = left;
|
| - }
|
| - var align = view[i].alignable;
|
| - if (align) for (var j = 0; j < align.length; j++)
|
| - align[j].style.left = left;
|
| - }
|
| - if (cm.options.fixedGutter)
|
| - display.gutters.style.left = (comp + gutterW) + "px";
|
| - }
|
| -
|
| - // Used to ensure that the line number gutter is still the right
|
| - // size for the current document size. Returns true when an update
|
| - // is needed.
|
| - function maybeUpdateLineNumberWidth(cm) {
|
| - if (!cm.options.lineNumbers) return false;
|
| - var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
|
| - if (last.length != display.lineNumChars) {
|
| - var test = display.measure.appendChild(elt("div", [elt("div", last)],
|
| - "CodeMirror-linenumber CodeMirror-gutter-elt"));
|
| - var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
|
| - display.lineGutter.style.width = "";
|
| - display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
|
| - display.lineNumWidth = display.lineNumInnerWidth + padding;
|
| - display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
|
| - display.lineGutter.style.width = display.lineNumWidth + "px";
|
| - updateGutterSpace(cm);
|
| - return true;
|
| - }
|
| - return false;
|
| - }
|
| -
|
| - function lineNumberFor(options, i) {
|
| - return String(options.lineNumberFormatter(i + options.firstLineNumber));
|
| - }
|
| -
|
| - // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
|
| - // but using getBoundingClientRect to get a sub-pixel-accurate
|
| - // result.
|
| - function compensateForHScroll(display) {
|
| - return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left;
|
| - }
|
| -
|
| - // DISPLAY DRAWING
|
| -
|
| - function DisplayUpdate(cm, viewport, force) {
|
| - var display = cm.display;
|
| -
|
| - this.viewport = viewport;
|
| - // Store some values that we'll need later (but don't want to force a relayout for)
|
| - this.visible = visibleLines(display, cm.doc, viewport);
|
| - this.editorIsHidden = !display.wrapper.offsetWidth;
|
| - this.wrapperHeight = display.wrapper.clientHeight;
|
| - this.wrapperWidth = display.wrapper.clientWidth;
|
| - this.oldDisplayWidth = displayWidth(cm);
|
| - this.force = force;
|
| - this.dims = getDimensions(cm);
|
| - this.events = [];
|
| - }
|
| -
|
| - DisplayUpdate.prototype.signal = function(emitter, type) {
|
| - if (hasHandler(emitter, type))
|
| - this.events.push(arguments);
|
| - };
|
| - DisplayUpdate.prototype.finish = function() {
|
| - for (var i = 0; i < this.events.length; i++)
|
| - signal.apply(null, this.events[i]);
|
| + var upto = Math.min(len, nextChange)
|
| + while (true) {
|
| + if (text) {
|
| + var end = pos + text.length
|
| + if (!collapsed) {
|
| + var tokenText = end > upto ? text.slice(0, upto - pos) : text
|
| + builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
|
| + spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css)
|
| + }
|
| + if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}
|
| + pos = end
|
| + spanStartStyle = ""
|
| + }
|
| + text = allText.slice(at, at = styles[i++])
|
| + style = interpretTokenStyle(styles[i++], builder.cm.options)
|
| + }
|
| + }
|
| +}
|
| +
|
| +
|
| +// These objects are used to represent the visible (currently drawn)
|
| +// part of the document. A LineView may correspond to multiple
|
| +// logical lines, if those are connected by collapsed ranges.
|
| +function LineView(doc, line, lineN) {
|
| + // The starting line
|
| + this.line = line
|
| + // Continuing lines, if any
|
| + this.rest = visualLineContinued(line)
|
| + // Number of logical lines in this visual line
|
| + this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1
|
| + this.node = this.text = null
|
| + this.hidden = lineIsHidden(doc, line)
|
| +}
|
| +
|
| +// Create a range of LineView objects for the given lines.
|
| +function buildViewArray(cm, from, to) {
|
| + var array = [], nextPos
|
| + for (var pos = from; pos < to; pos = nextPos) {
|
| + var view = new LineView(cm.doc, getLine(cm.doc, pos), pos)
|
| + nextPos = pos + view.size
|
| + array.push(view)
|
| + }
|
| + return array
|
| +}
|
| +
|
| +var operationGroup = null
|
| +
|
| +function pushOperation(op) {
|
| + if (operationGroup) {
|
| + operationGroup.ops.push(op)
|
| + } else {
|
| + op.ownsGroup = operationGroup = {
|
| + ops: [op],
|
| + delayedCallbacks: []
|
| + }
|
| + }
|
| +}
|
| +
|
| +function fireCallbacksForOps(group) {
|
| + // Calls delayed callbacks and cursorActivity handlers until no
|
| + // new ones appear
|
| + var callbacks = group.delayedCallbacks, i = 0
|
| + do {
|
| + for (; i < callbacks.length; i++)
|
| + { callbacks[i].call(null) }
|
| + for (var j = 0; j < group.ops.length; j++) {
|
| + var op = group.ops[j]
|
| + if (op.cursorActivityHandlers)
|
| + { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
|
| + { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm) } }
|
| + }
|
| + } while (i < callbacks.length)
|
| +}
|
| +
|
| +function finishOperation(op, endCb) {
|
| + var group = op.ownsGroup
|
| + if (!group) { return }
|
| +
|
| + try { fireCallbacksForOps(group) }
|
| + finally {
|
| + operationGroup = null
|
| + endCb(group)
|
| + }
|
| +}
|
| +
|
| +var orphanDelayedCallbacks = null
|
| +
|
| +// Often, we want to signal events at a point where we are in the
|
| +// middle of some work, but don't want the handler to start calling
|
| +// other methods on the editor, which might be in an inconsistent
|
| +// state or simply not expect any other events to happen.
|
| +// signalLater looks whether there are any handlers, and schedules
|
| +// them to be executed when the last operation ends, or, if no
|
| +// operation is active, when a timeout fires.
|
| +function signalLater(emitter, type /*, values...*/) {
|
| + var arr = getHandlers(emitter, type)
|
| + if (!arr.length) { return }
|
| + var args = Array.prototype.slice.call(arguments, 2), list
|
| + if (operationGroup) {
|
| + list = operationGroup.delayedCallbacks
|
| + } else if (orphanDelayedCallbacks) {
|
| + list = orphanDelayedCallbacks
|
| + } else {
|
| + list = orphanDelayedCallbacks = []
|
| + setTimeout(fireOrphanDelayed, 0)
|
| + }
|
| + var loop = function ( i ) {
|
| + list.push(function () { return arr[i].apply(null, args); })
|
| };
|
|
|
| - function maybeClipScrollbars(cm) {
|
| - var display = cm.display;
|
| - if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
|
| - display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
|
| - display.heightForcer.style.height = scrollGap(cm) + "px";
|
| - display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
|
| - display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
|
| - display.scrollbarsClipped = true;
|
| - }
|
| + for (var i = 0; i < arr.length; ++i)
|
| + loop( i );
|
| +}
|
| +
|
| +function fireOrphanDelayed() {
|
| + var delayed = orphanDelayedCallbacks
|
| + orphanDelayedCallbacks = null
|
| + for (var i = 0; i < delayed.length; ++i) { delayed[i]() }
|
| +}
|
| +
|
| +// When an aspect of a line changes, a string is added to
|
| +// lineView.changes. This updates the relevant part of the line's
|
| +// DOM structure.
|
| +function updateLineForChanges(cm, lineView, lineN, dims) {
|
| + for (var j = 0; j < lineView.changes.length; j++) {
|
| + var type = lineView.changes[j]
|
| + if (type == "text") { updateLineText(cm, lineView) }
|
| + else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims) }
|
| + else if (type == "class") { updateLineClasses(cm, lineView) }
|
| + else if (type == "widget") { updateLineWidgets(cm, lineView, dims) }
|
| + }
|
| + lineView.changes = null
|
| +}
|
| +
|
| +// Lines with gutter elements, widgets or a background class need to
|
| +// be wrapped, and have the extra elements added to the wrapper div
|
| +function ensureLineWrapped(lineView) {
|
| + if (lineView.node == lineView.text) {
|
| + lineView.node = elt("div", null, null, "position: relative")
|
| + if (lineView.text.parentNode)
|
| + { lineView.text.parentNode.replaceChild(lineView.node, lineView.text) }
|
| + lineView.node.appendChild(lineView.text)
|
| + if (ie && ie_version < 8) { lineView.node.style.zIndex = 2 }
|
| + }
|
| + return lineView.node
|
| +}
|
| +
|
| +function updateLineBackground(cm, lineView) {
|
| + var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass
|
| + if (cls) { cls += " CodeMirror-linebackground" }
|
| + if (lineView.background) {
|
| + if (cls) { lineView.background.className = cls }
|
| + else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null }
|
| + } else if (cls) {
|
| + var wrap = ensureLineWrapped(lineView)
|
| + lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild)
|
| + cm.display.input.setUneditable(lineView.background)
|
| + }
|
| +}
|
| +
|
| +// Wrapper around buildLineContent which will reuse the structure
|
| +// in display.externalMeasured when possible.
|
| +function getLineContent(cm, lineView) {
|
| + var ext = cm.display.externalMeasured
|
| + if (ext && ext.line == lineView.line) {
|
| + cm.display.externalMeasured = null
|
| + lineView.measure = ext.measure
|
| + return ext.built
|
| + }
|
| + return buildLineContent(cm, lineView)
|
| +}
|
| +
|
| +// Redraw the line's text. Interacts with the background and text
|
| +// classes because the mode may output tokens that influence these
|
| +// classes.
|
| +function updateLineText(cm, lineView) {
|
| + var cls = lineView.text.className
|
| + var built = getLineContent(cm, lineView)
|
| + if (lineView.text == lineView.node) { lineView.node = built.pre }
|
| + lineView.text.parentNode.replaceChild(built.pre, lineView.text)
|
| + lineView.text = built.pre
|
| + if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
|
| + lineView.bgClass = built.bgClass
|
| + lineView.textClass = built.textClass
|
| + updateLineClasses(cm, lineView)
|
| + } else if (cls) {
|
| + lineView.text.className = cls
|
| + }
|
| +}
|
| +
|
| +function updateLineClasses(cm, lineView) {
|
| + updateLineBackground(cm, lineView)
|
| + if (lineView.line.wrapClass)
|
| + { ensureLineWrapped(lineView).className = lineView.line.wrapClass }
|
| + else if (lineView.node != lineView.text)
|
| + { lineView.node.className = "" }
|
| + var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass
|
| + lineView.text.className = textClass || ""
|
| +}
|
| +
|
| +function updateLineGutter(cm, lineView, lineN, dims) {
|
| + if (lineView.gutter) {
|
| + lineView.node.removeChild(lineView.gutter)
|
| + lineView.gutter = null
|
| + }
|
| + if (lineView.gutterBackground) {
|
| + lineView.node.removeChild(lineView.gutterBackground)
|
| + lineView.gutterBackground = null
|
| + }
|
| + if (lineView.line.gutterClass) {
|
| + var wrap = ensureLineWrapped(lineView)
|
| + lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
|
| + ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"))
|
| + cm.display.input.setUneditable(lineView.gutterBackground)
|
| + wrap.insertBefore(lineView.gutterBackground, lineView.text)
|
| + }
|
| + var markers = lineView.line.gutterMarkers
|
| + if (cm.options.lineNumbers || markers) {
|
| + var wrap$1 = ensureLineWrapped(lineView)
|
| + var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"))
|
| + cm.display.input.setUneditable(gutterWrap)
|
| + wrap$1.insertBefore(gutterWrap, lineView.text)
|
| + if (lineView.line.gutterClass)
|
| + { gutterWrap.className += " " + lineView.line.gutterClass }
|
| + if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
|
| + { lineView.lineNumber = gutterWrap.appendChild(
|
| + elt("div", lineNumberFor(cm.options, lineN),
|
| + "CodeMirror-linenumber CodeMirror-gutter-elt",
|
| + ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))) }
|
| + if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) {
|
| + var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]
|
| + if (found)
|
| + { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",
|
| + ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))) }
|
| + } }
|
| + }
|
| +}
|
| +
|
| +function updateLineWidgets(cm, lineView, dims) {
|
| + if (lineView.alignable) { lineView.alignable = null }
|
| + for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {
|
| + next = node.nextSibling
|
| + if (node.className == "CodeMirror-linewidget")
|
| + { lineView.node.removeChild(node) }
|
| + }
|
| + insertLineWidgets(cm, lineView, dims)
|
| +}
|
| +
|
| +// Build a line's DOM representation from scratch
|
| +function buildLineElement(cm, lineView, lineN, dims) {
|
| + var built = getLineContent(cm, lineView)
|
| + lineView.text = lineView.node = built.pre
|
| + if (built.bgClass) { lineView.bgClass = built.bgClass }
|
| + if (built.textClass) { lineView.textClass = built.textClass }
|
| +
|
| + updateLineClasses(cm, lineView)
|
| + updateLineGutter(cm, lineView, lineN, dims)
|
| + insertLineWidgets(cm, lineView, dims)
|
| + return lineView.node
|
| +}
|
| +
|
| +// A lineView may contain multiple logical lines (when merged by
|
| +// collapsed spans). The widgets for all of them need to be drawn.
|
| +function insertLineWidgets(cm, lineView, dims) {
|
| + insertLineWidgetsFor(cm, lineView.line, lineView, dims, true)
|
| + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
|
| + { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false) } }
|
| +}
|
| +
|
| +function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
|
| + if (!line.widgets) { return }
|
| + var wrap = ensureLineWrapped(lineView)
|
| + for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
|
| + var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget")
|
| + if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true") }
|
| + positionLineWidget(widget, node, lineView, dims)
|
| + cm.display.input.setUneditable(node)
|
| + if (allowAbove && widget.above)
|
| + { wrap.insertBefore(node, lineView.gutter || lineView.text) }
|
| + else
|
| + { wrap.appendChild(node) }
|
| + signalLater(widget, "redraw")
|
| + }
|
| +}
|
| +
|
| +function positionLineWidget(widget, node, lineView, dims) {
|
| + if (widget.noHScroll) {
|
| + ;(lineView.alignable || (lineView.alignable = [])).push(node)
|
| + var width = dims.wrapperWidth
|
| + node.style.left = dims.fixedPos + "px"
|
| + if (!widget.coverGutter) {
|
| + width -= dims.gutterTotalWidth
|
| + node.style.paddingLeft = dims.gutterTotalWidth + "px"
|
| + }
|
| + node.style.width = width + "px"
|
| + }
|
| + if (widget.coverGutter) {
|
| + node.style.zIndex = 5
|
| + node.style.position = "relative"
|
| + if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px" }
|
| + }
|
| +}
|
| +
|
| +function widgetHeight(widget) {
|
| + if (widget.height != null) { return widget.height }
|
| + var cm = widget.doc.cm
|
| + if (!cm) { return 0 }
|
| + if (!contains(document.body, widget.node)) {
|
| + var parentStyle = "position: relative;"
|
| + if (widget.coverGutter)
|
| + { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;" }
|
| + if (widget.noHScroll)
|
| + { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;" }
|
| + removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle))
|
| + }
|
| + return widget.height = widget.node.parentNode.offsetHeight
|
| +}
|
| +
|
| +// Return true when the given mouse event happened in a widget
|
| +function eventInWidget(display, e) {
|
| + for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
|
| + if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
|
| + (n.parentNode == display.sizer && n != display.mover))
|
| + { return true }
|
| + }
|
| +}
|
| +
|
| +// POSITION MEASUREMENT
|
| +
|
| +function paddingTop(display) {return display.lineSpace.offsetTop}
|
| +function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}
|
| +function paddingH(display) {
|
| + if (display.cachedPaddingH) { return display.cachedPaddingH }
|
| + var e = removeChildrenAndAdd(display.measure, elt("pre", "x"))
|
| + var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle
|
| + var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}
|
| + if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data }
|
| + return data
|
| +}
|
| +
|
| +function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }
|
| +function displayWidth(cm) {
|
| + return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth
|
| +}
|
| +function displayHeight(cm) {
|
| + return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight
|
| +}
|
| +
|
| +// Ensure the lineView.wrapping.heights array is populated. This is
|
| +// an array of bottom offsets for the lines that make up a drawn
|
| +// line. When lineWrapping is on, there might be more than one
|
| +// height.
|
| +function ensureLineHeights(cm, lineView, rect) {
|
| + var wrapping = cm.options.lineWrapping
|
| + var curWidth = wrapping && displayWidth(cm)
|
| + if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
|
| + var heights = lineView.measure.heights = []
|
| + if (wrapping) {
|
| + lineView.measure.width = curWidth
|
| + var rects = lineView.text.firstChild.getClientRects()
|
| + for (var i = 0; i < rects.length - 1; i++) {
|
| + var cur = rects[i], next = rects[i + 1]
|
| + if (Math.abs(cur.bottom - next.bottom) > 2)
|
| + { heights.push((cur.bottom + next.top) / 2 - rect.top) }
|
| + }
|
| + }
|
| + heights.push(rect.bottom - rect.top)
|
| + }
|
| +}
|
| +
|
| +// Find a line map (mapping character offsets to text nodes) and a
|
| +// measurement cache for the given line number. (A line view might
|
| +// contain multiple lines when collapsed ranges are present.)
|
| +function mapFromLineView(lineView, line, lineN) {
|
| + if (lineView.line == line)
|
| + { return {map: lineView.measure.map, cache: lineView.measure.cache} }
|
| + for (var i = 0; i < lineView.rest.length; i++)
|
| + { if (lineView.rest[i] == line)
|
| + { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }
|
| + for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)
|
| + { if (lineNo(lineView.rest[i$1]) > lineN)
|
| + { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }
|
| +}
|
| +
|
| +// Render a line into the hidden node display.externalMeasured. Used
|
| +// when measurement is needed for a line that's not in the viewport.
|
| +function updateExternalMeasurement(cm, line) {
|
| + line = visualLine(line)
|
| + var lineN = lineNo(line)
|
| + var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN)
|
| + view.lineN = lineN
|
| + var built = view.built = buildLineContent(cm, view)
|
| + view.text = built.pre
|
| + removeChildrenAndAdd(cm.display.lineMeasure, built.pre)
|
| + return view
|
| +}
|
| +
|
| +// Get a {top, bottom, left, right} box (in line-local coordinates)
|
| +// for a given character.
|
| +function measureChar(cm, line, ch, bias) {
|
| + return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)
|
| +}
|
| +
|
| +// Find a line view that corresponds to the given line number.
|
| +function findViewForLine(cm, lineN) {
|
| + if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
|
| + { return cm.display.view[findViewIndex(cm, lineN)] }
|
| + var ext = cm.display.externalMeasured
|
| + if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
|
| + { return ext }
|
| +}
|
| +
|
| +// Measurement can be split in two steps, the set-up work that
|
| +// applies to the whole line, and the measurement of the actual
|
| +// character. Functions like coordsChar, that need to do a lot of
|
| +// measurements in a row, can thus ensure that the set-up work is
|
| +// only done once.
|
| +function prepareMeasureForLine(cm, line) {
|
| + var lineN = lineNo(line)
|
| + var view = findViewForLine(cm, lineN)
|
| + if (view && !view.text) {
|
| + view = null
|
| + } else if (view && view.changes) {
|
| + updateLineForChanges(cm, view, lineN, getDimensions(cm))
|
| + cm.curOp.forceUpdate = true
|
| + }
|
| + if (!view)
|
| + { view = updateExternalMeasurement(cm, line) }
|
| +
|
| + var info = mapFromLineView(view, line, lineN)
|
| + return {
|
| + line: line, view: view, rect: null,
|
| + map: info.map, cache: info.cache, before: info.before,
|
| + hasHeights: false
|
| + }
|
| +}
|
| +
|
| +// Given a prepared measurement object, measures the position of an
|
| +// actual character (or fetches it from the cache).
|
| +function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
|
| + if (prepared.before) { ch = -1 }
|
| + var key = ch + (bias || ""), found
|
| + if (prepared.cache.hasOwnProperty(key)) {
|
| + found = prepared.cache[key]
|
| + } else {
|
| + if (!prepared.rect)
|
| + { prepared.rect = prepared.view.text.getBoundingClientRect() }
|
| + if (!prepared.hasHeights) {
|
| + ensureLineHeights(cm, prepared.view, prepared.rect)
|
| + prepared.hasHeights = true
|
| + }
|
| + found = measureCharInner(cm, prepared, ch, bias)
|
| + if (!found.bogus) { prepared.cache[key] = found }
|
| + }
|
| + return {left: found.left, right: found.right,
|
| + top: varHeight ? found.rtop : found.top,
|
| + bottom: varHeight ? found.rbottom : found.bottom}
|
| +}
|
| +
|
| +var nullRect = {left: 0, right: 0, top: 0, bottom: 0}
|
| +
|
| +function nodeAndOffsetInLineMap(map, ch, bias) {
|
| + var node, start, end, collapse, mStart, mEnd
|
| + // First, search the line map for the text node corresponding to,
|
| + // or closest to, the target character.
|
| + for (var i = 0; i < map.length; i += 3) {
|
| + mStart = map[i]
|
| + mEnd = map[i + 1]
|
| + if (ch < mStart) {
|
| + start = 0; end = 1
|
| + collapse = "left"
|
| + } else if (ch < mEnd) {
|
| + start = ch - mStart
|
| + end = start + 1
|
| + } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) {
|
| + end = mEnd - mStart
|
| + start = end - 1
|
| + if (ch >= mEnd) { collapse = "right" }
|
| + }
|
| + if (start != null) {
|
| + node = map[i + 2]
|
| + if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
|
| + { collapse = bias }
|
| + if (bias == "left" && start == 0)
|
| + { while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {
|
| + node = map[(i -= 3) + 2]
|
| + collapse = "left"
|
| + } }
|
| + if (bias == "right" && start == mEnd - mStart)
|
| + { while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {
|
| + node = map[(i += 3) + 2]
|
| + collapse = "right"
|
| + } }
|
| + break
|
| + }
|
| + }
|
| + return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}
|
| +}
|
| +
|
| +function getUsefulRect(rects, bias) {
|
| + var rect = nullRect
|
| + if (bias == "left") { for (var i = 0; i < rects.length; i++) {
|
| + if ((rect = rects[i]).left != rect.right) { break }
|
| + } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {
|
| + if ((rect = rects[i$1]).left != rect.right) { break }
|
| + } }
|
| + return rect
|
| +}
|
| +
|
| +function measureCharInner(cm, prepared, ch, bias) {
|
| + var place = nodeAndOffsetInLineMap(prepared.map, ch, bias)
|
| + var node = place.node, start = place.start, end = place.end, collapse = place.collapse
|
| +
|
| + var rect
|
| + if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
|
| + for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned
|
| + while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start }
|
| + while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end }
|
| + if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
|
| + { rect = node.parentNode.getBoundingClientRect() }
|
| + else
|
| + { rect = getUsefulRect(range(node, start, end).getClientRects(), bias) }
|
| + if (rect.left || rect.right || start == 0) { break }
|
| + end = start
|
| + start = start - 1
|
| + collapse = "right"
|
| + }
|
| + if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect) }
|
| + } else { // If it is a widget, simply get the box for the whole widget.
|
| + if (start > 0) { collapse = bias = "right" }
|
| + var rects
|
| + if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
|
| + { rect = rects[bias == "right" ? rects.length - 1 : 0] }
|
| + else
|
| + { rect = node.getBoundingClientRect() }
|
| }
|
| -
|
| - // Does the actual updating of the line display. Bails out
|
| - // (returning false) when there is nothing to be done and forced is
|
| - // false.
|
| - function updateDisplayIfNeeded(cm, update) {
|
| - var display = cm.display, doc = cm.doc;
|
| -
|
| - if (update.editorIsHidden) {
|
| - resetView(cm);
|
| - return false;
|
| - }
|
| -
|
| - // Bail out if the visible area is already rendered and nothing changed.
|
| - if (!update.force &&
|
| - update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
|
| - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
|
| - display.renderedView == display.view && countDirtyView(cm) == 0)
|
| - return false;
|
| -
|
| - if (maybeUpdateLineNumberWidth(cm)) {
|
| - resetView(cm);
|
| - update.dims = getDimensions(cm);
|
| - }
|
| -
|
| - // Compute a suitable new viewport (from & to)
|
| - var end = doc.first + doc.size;
|
| - var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
|
| - var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
|
| - if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom);
|
| - if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo);
|
| - if (sawCollapsedSpans) {
|
| - from = visualLineNo(cm.doc, from);
|
| - to = visualLineEndNo(cm.doc, to);
|
| - }
|
| -
|
| - var different = from != display.viewFrom || to != display.viewTo ||
|
| - display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
|
| - adjustView(cm, from, to);
|
| -
|
| - display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
|
| - // Position the mover div to align with the current scroll position
|
| - cm.display.mover.style.top = display.viewOffset + "px";
|
| -
|
| - var toUpdate = countDirtyView(cm);
|
| - if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
|
| - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
|
| - return false;
|
| -
|
| - // For big changes, we hide the enclosing element during the
|
| - // update, since that speeds up the operations on most browsers.
|
| - var focused = activeElt();
|
| - if (toUpdate > 4) display.lineDiv.style.display = "none";
|
| - patchDisplay(cm, display.updateLineNumbers, update.dims);
|
| - if (toUpdate > 4) display.lineDiv.style.display = "";
|
| - display.renderedView = display.view;
|
| - // There might have been a widget with a focused element that got
|
| - // hidden or updated, if so re-focus it.
|
| - if (focused && activeElt() != focused && focused.offsetHeight) focused.focus();
|
| -
|
| - // Prevent selection and cursors from interfering with the scroll
|
| - // width and height.
|
| - removeChildren(display.cursorDiv);
|
| - removeChildren(display.selectionDiv);
|
| - display.gutters.style.height = display.sizer.style.minHeight = 0;
|
| -
|
| - if (different) {
|
| - display.lastWrapHeight = update.wrapperHeight;
|
| - display.lastWrapWidth = update.wrapperWidth;
|
| - startWorker(cm, 400);
|
| + if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
|
| + var rSpan = node.parentNode.getClientRects()[0]
|
| + if (rSpan)
|
| + { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom} }
|
| + else
|
| + { rect = nullRect }
|
| + }
|
| +
|
| + var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top
|
| + var mid = (rtop + rbot) / 2
|
| + var heights = prepared.view.measure.heights
|
| + var i = 0
|
| + for (; i < heights.length - 1; i++)
|
| + { if (mid < heights[i]) { break } }
|
| + var top = i ? heights[i - 1] : 0, bot = heights[i]
|
| + var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
|
| + right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
|
| + top: top, bottom: bot}
|
| + if (!rect.left && !rect.right) { result.bogus = true }
|
| + if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot }
|
| +
|
| + return result
|
| +}
|
| +
|
| +// Work around problem with bounding client rects on ranges being
|
| +// returned incorrectly when zoomed on IE10 and below.
|
| +function maybeUpdateRectForZooming(measure, rect) {
|
| + if (!window.screen || screen.logicalXDPI == null ||
|
| + screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
|
| + { return rect }
|
| + var scaleX = screen.logicalXDPI / screen.deviceXDPI
|
| + var scaleY = screen.logicalYDPI / screen.deviceYDPI
|
| + return {left: rect.left * scaleX, right: rect.right * scaleX,
|
| + top: rect.top * scaleY, bottom: rect.bottom * scaleY}
|
| +}
|
| +
|
| +function clearLineMeasurementCacheFor(lineView) {
|
| + if (lineView.measure) {
|
| + lineView.measure.cache = {}
|
| + lineView.measure.heights = null
|
| + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
|
| + { lineView.measure.caches[i] = {} } }
|
| + }
|
| +}
|
| +
|
| +function clearLineMeasurementCache(cm) {
|
| + cm.display.externalMeasure = null
|
| + removeChildren(cm.display.lineMeasure)
|
| + for (var i = 0; i < cm.display.view.length; i++)
|
| + { clearLineMeasurementCacheFor(cm.display.view[i]) }
|
| +}
|
| +
|
| +function clearCaches(cm) {
|
| + clearLineMeasurementCache(cm)
|
| + cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null
|
| + if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true }
|
| + cm.display.lineNumChars = null
|
| +}
|
| +
|
| +function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft }
|
| +function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop }
|
| +
|
| +// Converts a {top, bottom, left, right} box from line-local
|
| +// coordinates into another coordinate system. Context may be one of
|
| +// "line", "div" (display.lineDiv), "local"./null (editor), "window",
|
| +// or "page".
|
| +function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {
|
| + if (!includeWidgets && lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above) {
|
| + var size = widgetHeight(lineObj.widgets[i])
|
| + rect.top += size; rect.bottom += size
|
| + } } }
|
| + if (context == "line") { return rect }
|
| + if (!context) { context = "local" }
|
| + var yOff = heightAtLine(lineObj)
|
| + if (context == "local") { yOff += paddingTop(cm.display) }
|
| + else { yOff -= cm.display.viewOffset }
|
| + if (context == "page" || context == "window") {
|
| + var lOff = cm.display.lineSpace.getBoundingClientRect()
|
| + yOff += lOff.top + (context == "window" ? 0 : pageScrollY())
|
| + var xOff = lOff.left + (context == "window" ? 0 : pageScrollX())
|
| + rect.left += xOff; rect.right += xOff
|
| + }
|
| + rect.top += yOff; rect.bottom += yOff
|
| + return rect
|
| +}
|
| +
|
| +// Coverts a box from "div" coords to another coordinate system.
|
| +// Context may be "window", "page", "div", or "local"./null.
|
| +function fromCoordSystem(cm, coords, context) {
|
| + if (context == "div") { return coords }
|
| + var left = coords.left, top = coords.top
|
| + // First move into "page" coordinate system
|
| + if (context == "page") {
|
| + left -= pageScrollX()
|
| + top -= pageScrollY()
|
| + } else if (context == "local" || !context) {
|
| + var localBox = cm.display.sizer.getBoundingClientRect()
|
| + left += localBox.left
|
| + top += localBox.top
|
| + }
|
| +
|
| + var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect()
|
| + return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}
|
| +}
|
| +
|
| +function charCoords(cm, pos, context, lineObj, bias) {
|
| + if (!lineObj) { lineObj = getLine(cm.doc, pos.line) }
|
| + return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)
|
| +}
|
| +
|
| +// Returns a box for a given cursor position, which may have an
|
| +// 'other' property containing the position of the secondary cursor
|
| +// on a bidi boundary.
|
| +// A cursor Pos(line, char, "before") is on the same visual line as `char - 1`
|
| +// and after `char - 1` in writing order of `char - 1`
|
| +// A cursor Pos(line, char, "after") is on the same visual line as `char`
|
| +// and before `char` in writing order of `char`
|
| +// Examples (upper-case letters are RTL, lower-case are LTR):
|
| +// Pos(0, 1, ...)
|
| +// before after
|
| +// ab a|b a|b
|
| +// aB a|B aB|
|
| +// Ab |Ab A|b
|
| +// AB B|A B|A
|
| +// Every position after the last character on a line is considered to stick
|
| +// to the last character on the line.
|
| +function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
|
| + lineObj = lineObj || getLine(cm.doc, pos.line)
|
| + if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj) }
|
| + function get(ch, right) {
|
| + var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight)
|
| + if (right) { m.left = m.right; } else { m.right = m.left }
|
| + return intoCoordSystem(cm, lineObj, m, context)
|
| + }
|
| + var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky
|
| + if (ch >= lineObj.text.length) {
|
| + ch = lineObj.text.length
|
| + sticky = "before"
|
| + } else if (ch <= 0) {
|
| + ch = 0
|
| + sticky = "after"
|
| + }
|
| + if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }
|
| +
|
| + function getBidi(ch, partPos, invert) {
|
| + var part = order[partPos], right = (part.level % 2) != 0
|
| + return get(invert ? ch - 1 : ch, right != invert)
|
| + }
|
| + var partPos = getBidiPartAt(order, ch, sticky)
|
| + var other = bidiOther
|
| + var val = getBidi(ch, partPos, sticky == "before")
|
| + if (other != null) { val.other = getBidi(ch, other, sticky != "before") }
|
| + return val
|
| +}
|
| +
|
| +// Used to cheaply estimate the coordinates for a position. Used for
|
| +// intermediate scroll updates.
|
| +function estimateCoords(cm, pos) {
|
| + var left = 0
|
| + pos = clipPos(cm.doc, pos)
|
| + if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch }
|
| + var lineObj = getLine(cm.doc, pos.line)
|
| + var top = heightAtLine(lineObj) + paddingTop(cm.display)
|
| + return {left: left, right: left, top: top, bottom: top + lineObj.height}
|
| +}
|
| +
|
| +// Positions returned by coordsChar contain some extra information.
|
| +// xRel is the relative x position of the input coordinates compared
|
| +// to the found position (so xRel > 0 means the coordinates are to
|
| +// the right of the character position, for example). When outside
|
| +// is true, that means the coordinates lie outside the line's
|
| +// vertical range.
|
| +function PosWithInfo(line, ch, sticky, outside, xRel) {
|
| + var pos = Pos(line, ch, sticky)
|
| + pos.xRel = xRel
|
| + if (outside) { pos.outside = true }
|
| + return pos
|
| +}
|
| +
|
| +// Compute the character position closest to the given coordinates.
|
| +// Input must be lineSpace-local ("div" coordinate system).
|
| +function coordsChar(cm, x, y) {
|
| + var doc = cm.doc
|
| + y += cm.display.viewOffset
|
| + if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) }
|
| + var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1
|
| + if (lineN > last)
|
| + { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) }
|
| + if (x < 0) { x = 0 }
|
| +
|
| + var lineObj = getLine(doc, lineN)
|
| + for (;;) {
|
| + var found = coordsCharInner(cm, lineObj, lineN, x, y)
|
| + var merged = collapsedSpanAtEnd(lineObj)
|
| + var mergedPos = merged && merged.find(0, true)
|
| + if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
|
| + { lineN = lineNo(lineObj = mergedPos.to.line) }
|
| + else
|
| + { return found }
|
| + }
|
| +}
|
| +
|
| +function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {
|
| + var measure = function (ch) { return intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, ch), "line"); }
|
| + var end = lineObj.text.length
|
| + var begin = findFirst(function (ch) { return measure(ch - 1).bottom <= y; }, end, 0)
|
| + end = findFirst(function (ch) { return measure(ch).top > y; }, begin, end)
|
| + return {begin: begin, end: end}
|
| +}
|
| +
|
| +function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {
|
| + var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top
|
| + return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)
|
| +}
|
| +
|
| +function coordsCharInner(cm, lineObj, lineNo, x, y) {
|
| + y -= heightAtLine(lineObj)
|
| + var begin = 0, end = lineObj.text.length
|
| + var preparedMeasure = prepareMeasureForLine(cm, lineObj)
|
| + var pos
|
| + var order = getOrder(lineObj, cm.doc.direction)
|
| + if (order) {
|
| + if (cm.options.lineWrapping) {
|
| + ;var assign;
|
| + ((assign = wrappedLineExtent(cm, lineObj, preparedMeasure, y), begin = assign.begin, end = assign.end))
|
| }
|
| -
|
| - display.updateLineNumbers = null;
|
| -
|
| - return true;
|
| - }
|
| -
|
| - function postUpdateDisplay(cm, update) {
|
| - var viewport = update.viewport;
|
| -
|
| - for (var first = true;; first = false) {
|
| - if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
|
| - // Clip forced viewport to actual scrollable area.
|
| - if (viewport && viewport.top != null)
|
| - viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)};
|
| - // Updated line heights might result in the drawn area not
|
| - // actually covering the viewport. Keep looping until it does.
|
| - update.visible = visibleLines(cm.display, cm.doc, viewport);
|
| - if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
|
| - break;
|
| - }
|
| - if (!updateDisplayIfNeeded(cm, update)) break;
|
| - updateHeightsInViewport(cm);
|
| - var barMeasure = measureForScrollbars(cm);
|
| - updateSelection(cm);
|
| - updateScrollbars(cm, barMeasure);
|
| - setDocumentHeight(cm, barMeasure);
|
| - }
|
| -
|
| - update.signal(cm, "update", cm);
|
| - if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
|
| - update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
|
| - cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
|
| - }
|
| - }
|
| -
|
| - function updateDisplaySimple(cm, viewport) {
|
| - var update = new DisplayUpdate(cm, viewport);
|
| - if (updateDisplayIfNeeded(cm, update)) {
|
| - updateHeightsInViewport(cm);
|
| - postUpdateDisplay(cm, update);
|
| - var barMeasure = measureForScrollbars(cm);
|
| - updateSelection(cm);
|
| - updateScrollbars(cm, barMeasure);
|
| - setDocumentHeight(cm, barMeasure);
|
| - update.finish();
|
| - }
|
| - }
|
| -
|
| - function setDocumentHeight(cm, measure) {
|
| - cm.display.sizer.style.minHeight = measure.docHeight + "px";
|
| - cm.display.heightForcer.style.top = measure.docHeight + "px";
|
| - cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px";
|
| - }
|
| -
|
| - // Read the actual heights of the rendered lines, and update their
|
| - // stored heights to match.
|
| - function updateHeightsInViewport(cm) {
|
| - var display = cm.display;
|
| - var prevBottom = display.lineDiv.offsetTop;
|
| - for (var i = 0; i < display.view.length; i++) {
|
| - var cur = display.view[i], height;
|
| - if (cur.hidden) continue;
|
| - if (ie && ie_version < 8) {
|
| - var bot = cur.node.offsetTop + cur.node.offsetHeight;
|
| - height = bot - prevBottom;
|
| - prevBottom = bot;
|
| + pos = new Pos(lineNo, begin)
|
| + var beginLeft = cursorCoords(cm, pos, "line", lineObj, preparedMeasure).left
|
| + var dir = beginLeft < x ? 1 : -1
|
| + var prevDiff, diff = beginLeft - x, prevPos
|
| + do {
|
| + prevDiff = diff
|
| + prevPos = pos
|
| + pos = moveVisually(cm, lineObj, pos, dir)
|
| + if (pos == null || pos.ch < begin || end <= (pos.sticky == "before" ? pos.ch - 1 : pos.ch)) {
|
| + pos = prevPos
|
| + break
|
| + }
|
| + diff = cursorCoords(cm, pos, "line", lineObj, preparedMeasure).left - x
|
| + } while ((dir < 0) != (diff < 0) && (Math.abs(diff) <= Math.abs(prevDiff)))
|
| + if (Math.abs(diff) > Math.abs(prevDiff)) {
|
| + if ((diff < 0) == (prevDiff < 0)) { throw new Error("Broke out of infinite loop in coordsCharInner") }
|
| + pos = prevPos
|
| + }
|
| + } else {
|
| + var ch = findFirst(function (ch) {
|
| + var box = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, ch), "line")
|
| + if (box.top > y) {
|
| + // For the cursor stickiness
|
| + end = Math.min(ch, end)
|
| + return true
|
| + }
|
| + else if (box.bottom <= y) { return false }
|
| + else if (box.left > x) { return true }
|
| + else if (box.right < x) { return false }
|
| + else { return (x - box.left < box.right - x) }
|
| + }, begin, end)
|
| + ch = skipExtendingChars(lineObj.text, ch, 1)
|
| + pos = new Pos(lineNo, ch, ch == end ? "before" : "after")
|
| + }
|
| + var coords = cursorCoords(cm, pos, "line", lineObj, preparedMeasure)
|
| + if (y < coords.top || coords.bottom < y) { pos.outside = true }
|
| + pos.xRel = x < coords.left ? -1 : (x > coords.right ? 1 : 0)
|
| + return pos
|
| +}
|
| +
|
| +var measureText
|
| +// Compute the default text height.
|
| +function textHeight(display) {
|
| + if (display.cachedTextHeight != null) { return display.cachedTextHeight }
|
| + if (measureText == null) {
|
| + measureText = elt("pre")
|
| + // Measure a bunch of lines, for browsers that compute
|
| + // fractional heights.
|
| + for (var i = 0; i < 49; ++i) {
|
| + measureText.appendChild(document.createTextNode("x"))
|
| + measureText.appendChild(elt("br"))
|
| + }
|
| + measureText.appendChild(document.createTextNode("x"))
|
| + }
|
| + removeChildrenAndAdd(display.measure, measureText)
|
| + var height = measureText.offsetHeight / 50
|
| + if (height > 3) { display.cachedTextHeight = height }
|
| + removeChildren(display.measure)
|
| + return height || 1
|
| +}
|
| +
|
| +// Compute the default character width.
|
| +function charWidth(display) {
|
| + if (display.cachedCharWidth != null) { return display.cachedCharWidth }
|
| + var anchor = elt("span", "xxxxxxxxxx")
|
| + var pre = elt("pre", [anchor])
|
| + removeChildrenAndAdd(display.measure, pre)
|
| + var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10
|
| + if (width > 2) { display.cachedCharWidth = width }
|
| + return width || 10
|
| +}
|
| +
|
| +// Do a bulk-read of the DOM positions and sizes needed to draw the
|
| +// view, so that we don't interleave reading and writing to the DOM.
|
| +function getDimensions(cm) {
|
| + var d = cm.display, left = {}, width = {}
|
| + var gutterLeft = d.gutters.clientLeft
|
| + for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
|
| + left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft
|
| + width[cm.options.gutters[i]] = n.clientWidth
|
| + }
|
| + return {fixedPos: compensateForHScroll(d),
|
| + gutterTotalWidth: d.gutters.offsetWidth,
|
| + gutterLeft: left,
|
| + gutterWidth: width,
|
| + wrapperWidth: d.wrapper.clientWidth}
|
| +}
|
| +
|
| +// Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
|
| +// but using getBoundingClientRect to get a sub-pixel-accurate
|
| +// result.
|
| +function compensateForHScroll(display) {
|
| + return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left
|
| +}
|
| +
|
| +// Returns a function that estimates the height of a line, to use as
|
| +// first approximation until the line becomes visible (and is thus
|
| +// properly measurable).
|
| +function estimateHeight(cm) {
|
| + var th = textHeight(cm.display), wrapping = cm.options.lineWrapping
|
| + var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3)
|
| + return function (line) {
|
| + if (lineIsHidden(cm.doc, line)) { return 0 }
|
| +
|
| + var widgetsHeight = 0
|
| + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {
|
| + if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height }
|
| + } }
|
| +
|
| + if (wrapping)
|
| + { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }
|
| + else
|
| + { return widgetsHeight + th }
|
| + }
|
| +}
|
| +
|
| +function estimateLineHeights(cm) {
|
| + var doc = cm.doc, est = estimateHeight(cm)
|
| + doc.iter(function (line) {
|
| + var estHeight = est(line)
|
| + if (estHeight != line.height) { updateLineHeight(line, estHeight) }
|
| + })
|
| +}
|
| +
|
| +// Given a mouse event, find the corresponding position. If liberal
|
| +// is false, it checks whether a gutter or scrollbar was clicked,
|
| +// and returns null if it was. forRect is used by rectangular
|
| +// selections, and tries to estimate a character position even for
|
| +// coordinates beyond the right of the text.
|
| +function posFromMouse(cm, e, liberal, forRect) {
|
| + var display = cm.display
|
| + if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }
|
| +
|
| + var x, y, space = display.lineSpace.getBoundingClientRect()
|
| + // Fails unpredictably on IE[67] when mouse is dragged around quickly.
|
| + try { x = e.clientX - space.left; y = e.clientY - space.top }
|
| + catch (e) { return null }
|
| + var coords = coordsChar(cm, x, y), line
|
| + if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
|
| + var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length
|
| + coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff))
|
| + }
|
| + return coords
|
| +}
|
| +
|
| +// Find the view element corresponding to a given line. Return null
|
| +// when the line isn't visible.
|
| +function findViewIndex(cm, n) {
|
| + if (n >= cm.display.viewTo) { return null }
|
| + n -= cm.display.viewFrom
|
| + if (n < 0) { return null }
|
| + var view = cm.display.view
|
| + for (var i = 0; i < view.length; i++) {
|
| + n -= view[i].size
|
| + if (n < 0) { return i }
|
| + }
|
| +}
|
| +
|
| +function updateSelection(cm) {
|
| + cm.display.input.showSelection(cm.display.input.prepareSelection())
|
| +}
|
| +
|
| +function prepareSelection(cm, primary) {
|
| + var doc = cm.doc, result = {}
|
| + var curFragment = result.cursors = document.createDocumentFragment()
|
| + var selFragment = result.selection = document.createDocumentFragment()
|
| +
|
| + for (var i = 0; i < doc.sel.ranges.length; i++) {
|
| + if (primary === false && i == doc.sel.primIndex) { continue }
|
| + var range = doc.sel.ranges[i]
|
| + if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) { continue }
|
| + var collapsed = range.empty()
|
| + if (collapsed || cm.options.showCursorWhenSelecting)
|
| + { drawSelectionCursor(cm, range.head, curFragment) }
|
| + if (!collapsed)
|
| + { drawSelectionRange(cm, range, selFragment) }
|
| + }
|
| + return result
|
| +}
|
| +
|
| +// Draws a cursor for the given range
|
| +function drawSelectionCursor(cm, head, output) {
|
| + var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine)
|
| +
|
| + var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"))
|
| + cursor.style.left = pos.left + "px"
|
| + cursor.style.top = pos.top + "px"
|
| + cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"
|
| +
|
| + if (pos.other) {
|
| + // Secondary cursor, shown when on a 'jump' in bi-directional text
|
| + var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"))
|
| + otherCursor.style.display = ""
|
| + otherCursor.style.left = pos.other.left + "px"
|
| + otherCursor.style.top = pos.other.top + "px"
|
| + otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"
|
| + }
|
| +}
|
| +
|
| +// Draws the given range as a highlighted selection
|
| +function drawSelectionRange(cm, range, output) {
|
| + var display = cm.display, doc = cm.doc
|
| + var fragment = document.createDocumentFragment()
|
| + var padding = paddingH(cm.display), leftSide = padding.left
|
| + var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right
|
| +
|
| + function add(left, top, width, bottom) {
|
| + if (top < 0) { top = 0 }
|
| + top = Math.round(top)
|
| + bottom = Math.round(bottom)
|
| + fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px")))
|
| + }
|
| +
|
| + function drawForLine(line, fromArg, toArg) {
|
| + var lineObj = getLine(doc, line)
|
| + var lineLen = lineObj.text.length
|
| + var start, end
|
| + function coords(ch, bias) {
|
| + return charCoords(cm, Pos(line, ch), "div", lineObj, bias)
|
| + }
|
| +
|
| + iterateBidiSections(getOrder(lineObj, doc.direction), fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir) {
|
| + var leftPos = coords(from, "left"), rightPos, left, right
|
| + if (from == to) {
|
| + rightPos = leftPos
|
| + left = right = leftPos.left
|
| } else {
|
| - var box = cur.node.getBoundingClientRect();
|
| - height = box.bottom - box.top;
|
| - }
|
| - var diff = cur.line.height - height;
|
| - if (height < 2) height = textHeight(display);
|
| - if (diff > .001 || diff < -.001) {
|
| - updateLineHeight(cur.line, height);
|
| - updateWidgetHeight(cur.line);
|
| - if (cur.rest) for (var j = 0; j < cur.rest.length; j++)
|
| - updateWidgetHeight(cur.rest[j]);
|
| + rightPos = coords(to - 1, "right")
|
| + if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp }
|
| + left = leftPos.left
|
| + right = rightPos.right
|
| + }
|
| + if (fromArg == null && from == 0) { left = leftSide }
|
| + if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
|
| + add(left, leftPos.top, null, leftPos.bottom)
|
| + left = leftSide
|
| + if (leftPos.bottom < rightPos.top) { add(left, leftPos.bottom, null, rightPos.top) }
|
| + }
|
| + if (toArg == null && to == lineLen) { right = rightSide }
|
| + if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left)
|
| + { start = leftPos }
|
| + if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right)
|
| + { end = rightPos }
|
| + if (left < leftSide + 1) { left = leftSide }
|
| + add(left, rightPos.top, right - left, rightPos.bottom)
|
| + })
|
| + return {start: start, end: end}
|
| + }
|
| +
|
| + var sFrom = range.from(), sTo = range.to()
|
| + if (sFrom.line == sTo.line) {
|
| + drawForLine(sFrom.line, sFrom.ch, sTo.ch)
|
| + } else {
|
| + var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line)
|
| + var singleVLine = visualLine(fromLine) == visualLine(toLine)
|
| + var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end
|
| + var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start
|
| + if (singleVLine) {
|
| + if (leftEnd.top < rightStart.top - 2) {
|
| + add(leftEnd.right, leftEnd.top, null, leftEnd.bottom)
|
| + add(leftSide, rightStart.top, rightStart.left, rightStart.bottom)
|
| + } else {
|
| + add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom)
|
| + }
|
| + }
|
| + if (leftEnd.bottom < rightStart.top)
|
| + { add(leftSide, leftEnd.bottom, null, rightStart.top) }
|
| + }
|
| +
|
| + output.appendChild(fragment)
|
| +}
|
| +
|
| +// Cursor-blinking
|
| +function restartBlink(cm) {
|
| + if (!cm.state.focused) { return }
|
| + var display = cm.display
|
| + clearInterval(display.blinker)
|
| + var on = true
|
| + display.cursorDiv.style.visibility = ""
|
| + if (cm.options.cursorBlinkRate > 0)
|
| + { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; },
|
| + cm.options.cursorBlinkRate) }
|
| + else if (cm.options.cursorBlinkRate < 0)
|
| + { display.cursorDiv.style.visibility = "hidden" }
|
| +}
|
| +
|
| +function ensureFocus(cm) {
|
| + if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm) }
|
| +}
|
| +
|
| +function delayBlurEvent(cm) {
|
| + cm.state.delayingBlurEvent = true
|
| + setTimeout(function () { if (cm.state.delayingBlurEvent) {
|
| + cm.state.delayingBlurEvent = false
|
| + onBlur(cm)
|
| + } }, 100)
|
| +}
|
| +
|
| +function onFocus(cm, e) {
|
| + if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false }
|
| +
|
| + if (cm.options.readOnly == "nocursor") { return }
|
| + if (!cm.state.focused) {
|
| + signal(cm, "focus", cm, e)
|
| + cm.state.focused = true
|
| + addClass(cm.display.wrapper, "CodeMirror-focused")
|
| + // This test prevents this from firing when a context
|
| + // menu is closed (since the input reset would kill the
|
| + // select-all detection hack)
|
| + if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
|
| + cm.display.input.reset()
|
| + if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20) } // Issue #1730
|
| + }
|
| + cm.display.input.receivedFocus()
|
| + }
|
| + restartBlink(cm)
|
| +}
|
| +function onBlur(cm, e) {
|
| + if (cm.state.delayingBlurEvent) { return }
|
| +
|
| + if (cm.state.focused) {
|
| + signal(cm, "blur", cm, e)
|
| + cm.state.focused = false
|
| + rmClass(cm.display.wrapper, "CodeMirror-focused")
|
| + }
|
| + clearInterval(cm.display.blinker)
|
| + setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false } }, 150)
|
| +}
|
| +
|
| +// Re-align line numbers and gutter marks to compensate for
|
| +// horizontal scrolling.
|
| +function alignHorizontally(cm) {
|
| + var display = cm.display, view = display.view
|
| + if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }
|
| + var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft
|
| + var gutterW = display.gutters.offsetWidth, left = comp + "px"
|
| + for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {
|
| + if (cm.options.fixedGutter) {
|
| + if (view[i].gutter)
|
| + { view[i].gutter.style.left = left }
|
| + if (view[i].gutterBackground)
|
| + { view[i].gutterBackground.style.left = left }
|
| + }
|
| + var align = view[i].alignable
|
| + if (align) { for (var j = 0; j < align.length; j++)
|
| + { align[j].style.left = left } }
|
| + } }
|
| + if (cm.options.fixedGutter)
|
| + { display.gutters.style.left = (comp + gutterW) + "px" }
|
| +}
|
| +
|
| +// Used to ensure that the line number gutter is still the right
|
| +// size for the current document size. Returns true when an update
|
| +// is needed.
|
| +function maybeUpdateLineNumberWidth(cm) {
|
| + if (!cm.options.lineNumbers) { return false }
|
| + var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display
|
| + if (last.length != display.lineNumChars) {
|
| + var test = display.measure.appendChild(elt("div", [elt("div", last)],
|
| + "CodeMirror-linenumber CodeMirror-gutter-elt"))
|
| + var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW
|
| + display.lineGutter.style.width = ""
|
| + display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1
|
| + display.lineNumWidth = display.lineNumInnerWidth + padding
|
| + display.lineNumChars = display.lineNumInnerWidth ? last.length : -1
|
| + display.lineGutter.style.width = display.lineNumWidth + "px"
|
| + updateGutterSpace(cm)
|
| + return true
|
| + }
|
| + return false
|
| +}
|
| +
|
| +// Read the actual heights of the rendered lines, and update their
|
| +// stored heights to match.
|
| +function updateHeightsInViewport(cm) {
|
| + var display = cm.display
|
| + var prevBottom = display.lineDiv.offsetTop
|
| + for (var i = 0; i < display.view.length; i++) {
|
| + var cur = display.view[i], height = (void 0)
|
| + if (cur.hidden) { continue }
|
| + if (ie && ie_version < 8) {
|
| + var bot = cur.node.offsetTop + cur.node.offsetHeight
|
| + height = bot - prevBottom
|
| + prevBottom = bot
|
| + } else {
|
| + var box = cur.node.getBoundingClientRect()
|
| + height = box.bottom - box.top
|
| + }
|
| + var diff = cur.line.height - height
|
| + if (height < 2) { height = textHeight(display) }
|
| + if (diff > .001 || diff < -.001) {
|
| + updateLineHeight(cur.line, height)
|
| + updateWidgetHeight(cur.line)
|
| + if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)
|
| + { updateWidgetHeight(cur.rest[j]) } }
|
| + }
|
| + }
|
| +}
|
| +
|
| +// Read and store the height of line widgets associated with the
|
| +// given line.
|
| +function updateWidgetHeight(line) {
|
| + if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i)
|
| + { line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight } }
|
| +}
|
| +
|
| +// Compute the lines that are visible in a given viewport (defaults
|
| +// the the current scroll position). viewport may contain top,
|
| +// height, and ensure (see op.scrollToPos) properties.
|
| +function visibleLines(display, doc, viewport) {
|
| + var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop
|
| + top = Math.floor(top - paddingTop(display))
|
| + var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight
|
| +
|
| + var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom)
|
| + // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
|
| + // forces those lines into the viewport (if possible).
|
| + if (viewport && viewport.ensure) {
|
| + var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line
|
| + if (ensureFrom < from) {
|
| + from = ensureFrom
|
| + to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight)
|
| + } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
|
| + from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight)
|
| + to = ensureTo
|
| + }
|
| + }
|
| + return {from: from, to: Math.max(to, from + 1)}
|
| +}
|
| +
|
| +// Sync the scrollable area and scrollbars, ensure the viewport
|
| +// covers the visible area.
|
| +function setScrollTop(cm, val) {
|
| + if (Math.abs(cm.doc.scrollTop - val) < 2) { return }
|
| + cm.doc.scrollTop = val
|
| + if (!gecko) { updateDisplaySimple(cm, {top: val}) }
|
| + if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val }
|
| + cm.display.scrollbars.setScrollTop(val)
|
| + if (gecko) { updateDisplaySimple(cm) }
|
| + startWorker(cm, 100)
|
| +}
|
| +// Sync scroller and scrollbar, ensure the gutter elements are
|
| +// aligned.
|
| +function setScrollLeft(cm, val, isScroller) {
|
| + if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) { return }
|
| + val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth)
|
| + cm.doc.scrollLeft = val
|
| + alignHorizontally(cm)
|
| + if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val }
|
| + cm.display.scrollbars.setScrollLeft(val)
|
| +}
|
| +
|
| +// Since the delta values reported on mouse wheel events are
|
| +// unstandardized between browsers and even browser versions, and
|
| +// generally horribly unpredictable, this code starts by measuring
|
| +// the scroll effect that the first few mouse wheel events have,
|
| +// and, from that, detects the way it can convert deltas to pixel
|
| +// offsets afterwards.
|
| +//
|
| +// The reason we want to know the amount a wheel event will scroll
|
| +// is that it gives us a chance to update the display before the
|
| +// actual scrolling happens, reducing flickering.
|
| +
|
| +var wheelSamples = 0;
|
| +var wheelPixelsPerUnit = null;
|
| +// Fill in a browser-detected starting value on browsers where we
|
| +// know one. These don't have to be accurate -- the result of them
|
| +// being wrong would just be a slight flicker on the first wheel
|
| +// scroll (if it is large enough).
|
| +if (ie) { wheelPixelsPerUnit = -.53 }
|
| +else if (gecko) { wheelPixelsPerUnit = 15 }
|
| +else if (chrome) { wheelPixelsPerUnit = -.7 }
|
| +else if (safari) { wheelPixelsPerUnit = -1/3 }
|
| +
|
| +function wheelEventDelta(e) {
|
| + var dx = e.wheelDeltaX, dy = e.wheelDeltaY
|
| + if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail }
|
| + if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail }
|
| + else if (dy == null) { dy = e.wheelDelta }
|
| + return {x: dx, y: dy}
|
| +}
|
| +function wheelEventPixels(e) {
|
| + var delta = wheelEventDelta(e)
|
| + delta.x *= wheelPixelsPerUnit
|
| + delta.y *= wheelPixelsPerUnit
|
| + return delta
|
| +}
|
| +
|
| +function onScrollWheel(cm, e) {
|
| + var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y
|
| +
|
| + var display = cm.display, scroll = display.scroller
|
| + // Quit if there's nothing to scroll here
|
| + var canScrollX = scroll.scrollWidth > scroll.clientWidth
|
| + var canScrollY = scroll.scrollHeight > scroll.clientHeight
|
| + if (!(dx && canScrollX || dy && canScrollY)) { return }
|
| +
|
| + // Webkit browsers on OS X abort momentum scrolls when the target
|
| + // of the scroll event is removed from the scrollable element.
|
| + // This hack (see related code in patchDisplay) makes sure the
|
| + // element is kept around.
|
| + if (dy && mac && webkit) {
|
| + outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
|
| + for (var i = 0; i < view.length; i++) {
|
| + if (view[i].node == cur) {
|
| + cm.display.currentWheelTarget = cur
|
| + break outer
|
| + }
|
| }
|
| }
|
| }
|
|
|
| - // Read and store the height of line widgets associated with the
|
| - // given line.
|
| - function updateWidgetHeight(line) {
|
| - if (line.widgets) for (var i = 0; i < line.widgets.length; ++i)
|
| - line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight;
|
| - }
|
| -
|
| - // Do a bulk-read of the DOM positions and sizes needed to draw the
|
| - // view, so that we don't interleave reading and writing to the DOM.
|
| - function getDimensions(cm) {
|
| - var d = cm.display, left = {}, width = {};
|
| - var gutterLeft = d.gutters.clientLeft;
|
| - for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
|
| - left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft;
|
| - width[cm.options.gutters[i]] = n.clientWidth;
|
| + // On some browsers, horizontal scrolling will cause redraws to
|
| + // happen before the gutter has been realigned, causing it to
|
| + // wriggle around in a most unseemly way. When we have an
|
| + // estimated pixels/delta value, we just handle horizontal
|
| + // scrolling entirely here. It'll be slightly off from native, but
|
| + // better than glitching out.
|
| + if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
|
| + if (dy && canScrollY)
|
| + { setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))) }
|
| + setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)))
|
| + // Only prevent default scrolling if vertical scrolling is
|
| + // actually possible. Otherwise, it causes vertical scroll
|
| + // jitter on OSX trackpads when deltaX is small and deltaY
|
| + // is large (issue #3579)
|
| + if (!dy || (dy && canScrollY))
|
| + { e_preventDefault(e) }
|
| + display.wheelStartX = null // Abort measurement, if in progress
|
| + return
|
| + }
|
| +
|
| + // 'Project' the visible viewport to cover the area that is being
|
| + // scrolled into view (if we know enough to estimate it).
|
| + if (dy && wheelPixelsPerUnit != null) {
|
| + var pixels = dy * wheelPixelsPerUnit
|
| + var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight
|
| + if (pixels < 0) { top = Math.max(0, top + pixels - 50) }
|
| + else { bot = Math.min(cm.doc.height, bot + pixels + 50) }
|
| + updateDisplaySimple(cm, {top: top, bottom: bot})
|
| + }
|
| +
|
| + if (wheelSamples < 20) {
|
| + if (display.wheelStartX == null) {
|
| + display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop
|
| + display.wheelDX = dx; display.wheelDY = dy
|
| + setTimeout(function () {
|
| + if (display.wheelStartX == null) { return }
|
| + var movedX = scroll.scrollLeft - display.wheelStartX
|
| + var movedY = scroll.scrollTop - display.wheelStartY
|
| + var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
|
| + (movedX && display.wheelDX && movedX / display.wheelDX)
|
| + display.wheelStartX = display.wheelStartY = null
|
| + if (!sample) { return }
|
| + wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1)
|
| + ++wheelSamples
|
| + }, 200)
|
| + } else {
|
| + display.wheelDX += dx; display.wheelDY += dy
|
| + }
|
| + }
|
| +}
|
| +
|
| +// SCROLLBARS
|
| +
|
| +// Prepare DOM reads needed to update the scrollbars. Done in one
|
| +// shot to minimize update/measure roundtrips.
|
| +function measureForScrollbars(cm) {
|
| + var d = cm.display, gutterW = d.gutters.offsetWidth
|
| + var docH = Math.round(cm.doc.height + paddingVert(cm.display))
|
| + return {
|
| + clientHeight: d.scroller.clientHeight,
|
| + viewHeight: d.wrapper.clientHeight,
|
| + scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
|
| + viewWidth: d.wrapper.clientWidth,
|
| + barLeft: cm.options.fixedGutter ? gutterW : 0,
|
| + docHeight: docH,
|
| + scrollHeight: docH + scrollGap(cm) + d.barHeight,
|
| + nativeBarWidth: d.nativeBarWidth,
|
| + gutterWidth: gutterW
|
| + }
|
| +}
|
| +
|
| +var NativeScrollbars = function NativeScrollbars(place, scroll, cm) {
|
| + this.cm = cm
|
| + var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar")
|
| + var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar")
|
| + place(vert); place(horiz)
|
| +
|
| + on(vert, "scroll", function () {
|
| + if (vert.clientHeight) { scroll(vert.scrollTop, "vertical") }
|
| + })
|
| + on(horiz, "scroll", function () {
|
| + if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal") }
|
| + })
|
| +
|
| + this.checkedZeroWidth = false
|
| + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
|
| + if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px" }
|
| +};
|
| +
|
| +NativeScrollbars.prototype.update = function update (measure) {
|
| + var needsH = measure.scrollWidth > measure.clientWidth + 1
|
| + var needsV = measure.scrollHeight > measure.clientHeight + 1
|
| + var sWidth = measure.nativeBarWidth
|
| +
|
| + if (needsV) {
|
| + this.vert.style.display = "block"
|
| + this.vert.style.bottom = needsH ? sWidth + "px" : "0"
|
| + var totalHeight = measure.viewHeight - (needsH ? sWidth : 0)
|
| + // A bug in IE8 can cause this value to be negative, so guard it.
|
| + this.vert.firstChild.style.height =
|
| + Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"
|
| + } else {
|
| + this.vert.style.display = ""
|
| + this.vert.firstChild.style.height = "0"
|
| + }
|
| +
|
| + if (needsH) {
|
| + this.horiz.style.display = "block"
|
| + this.horiz.style.right = needsV ? sWidth + "px" : "0"
|
| + this.horiz.style.left = measure.barLeft + "px"
|
| + var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0)
|
| + this.horiz.firstChild.style.width =
|
| + Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px"
|
| + } else {
|
| + this.horiz.style.display = ""
|
| + this.horiz.firstChild.style.width = "0"
|
| + }
|
| +
|
| + if (!this.checkedZeroWidth && measure.clientHeight > 0) {
|
| + if (sWidth == 0) { this.zeroWidthHack() }
|
| + this.checkedZeroWidth = true
|
| + }
|
| +
|
| + return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}
|
| +};
|
| +
|
| +NativeScrollbars.prototype.setScrollLeft = function setScrollLeft$1 (pos) {
|
| + if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos }
|
| + if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz) }
|
| +};
|
| +
|
| +NativeScrollbars.prototype.setScrollTop = function setScrollTop$1 (pos) {
|
| + if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos }
|
| + if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert) }
|
| +};
|
| +
|
| +NativeScrollbars.prototype.zeroWidthHack = function zeroWidthHack () {
|
| + var w = mac && !mac_geMountainLion ? "12px" : "18px"
|
| + this.horiz.style.height = this.vert.style.width = w
|
| + this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"
|
| + this.disableHoriz = new Delayed
|
| + this.disableVert = new Delayed
|
| +};
|
| +
|
| +NativeScrollbars.prototype.enableZeroWidthBar = function enableZeroWidthBar (bar, delay) {
|
| + bar.style.pointerEvents = "auto"
|
| + function maybeDisable() {
|
| + // To find out whether the scrollbar is still visible, we
|
| + // check whether the element under the pixel in the bottom
|
| + // left corner of the scrollbar box is the scrollbar box
|
| + // itself (when the bar is still visible) or its filler child
|
| + // (when the bar is hidden). If it is still visible, we keep
|
| + // it enabled, if it's hidden, we disable pointer events.
|
| + var box = bar.getBoundingClientRect()
|
| + var elt = document.elementFromPoint(box.left + 1, box.bottom - 1)
|
| + if (elt != bar) { bar.style.pointerEvents = "none" }
|
| + else { delay.set(1000, maybeDisable) }
|
| + }
|
| + delay.set(1000, maybeDisable)
|
| +};
|
| +
|
| +NativeScrollbars.prototype.clear = function clear () {
|
| + var parent = this.horiz.parentNode
|
| + parent.removeChild(this.horiz)
|
| + parent.removeChild(this.vert)
|
| +};
|
| +
|
| +var NullScrollbars = function NullScrollbars () {};
|
| +
|
| +NullScrollbars.prototype.update = function update () { return {bottom: 0, right: 0} };
|
| +NullScrollbars.prototype.setScrollLeft = function setScrollLeft$2 () {};
|
| +NullScrollbars.prototype.setScrollTop = function setScrollTop$2 () {};
|
| +NullScrollbars.prototype.clear = function clear () {};
|
| +
|
| +function updateScrollbars(cm, measure) {
|
| + if (!measure) { measure = measureForScrollbars(cm) }
|
| + var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight
|
| + updateScrollbarsInner(cm, measure)
|
| + for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
|
| + if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
|
| + { updateHeightsInViewport(cm) }
|
| + updateScrollbarsInner(cm, measureForScrollbars(cm))
|
| + startWidth = cm.display.barWidth; startHeight = cm.display.barHeight
|
| + }
|
| +}
|
| +
|
| +// Re-synchronize the fake scrollbars with the actual size of the
|
| +// content.
|
| +function updateScrollbarsInner(cm, measure) {
|
| + var d = cm.display
|
| + var sizes = d.scrollbars.update(measure)
|
| +
|
| + d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"
|
| + d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"
|
| + d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent"
|
| +
|
| + if (sizes.right && sizes.bottom) {
|
| + d.scrollbarFiller.style.display = "block"
|
| + d.scrollbarFiller.style.height = sizes.bottom + "px"
|
| + d.scrollbarFiller.style.width = sizes.right + "px"
|
| + } else { d.scrollbarFiller.style.display = "" }
|
| + if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
|
| + d.gutterFiller.style.display = "block"
|
| + d.gutterFiller.style.height = sizes.bottom + "px"
|
| + d.gutterFiller.style.width = measure.gutterWidth + "px"
|
| + } else { d.gutterFiller.style.display = "" }
|
| +}
|
| +
|
| +var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}
|
| +
|
| +function initScrollbars(cm) {
|
| + if (cm.display.scrollbars) {
|
| + cm.display.scrollbars.clear()
|
| + if (cm.display.scrollbars.addClass)
|
| + { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass) }
|
| + }
|
| +
|
| + cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {
|
| + cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller)
|
| + // Prevent clicks in the scrollbars from killing focus
|
| + on(node, "mousedown", function () {
|
| + if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0) }
|
| + })
|
| + node.setAttribute("cm-not-content", "true")
|
| + }, function (pos, axis) {
|
| + if (axis == "horizontal") { setScrollLeft(cm, pos) }
|
| + else { setScrollTop(cm, pos) }
|
| + }, cm)
|
| + if (cm.display.scrollbars.addClass)
|
| + { addClass(cm.display.wrapper, cm.display.scrollbars.addClass) }
|
| +}
|
| +
|
| +// SCROLLING THINGS INTO VIEW
|
| +
|
| +// If an editor sits on the top or bottom of the window, partially
|
| +// scrolled out of view, this ensures that the cursor is visible.
|
| +function maybeScrollWindow(cm, rect) {
|
| + if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }
|
| +
|
| + var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null
|
| + if (rect.top + box.top < 0) { doScroll = true }
|
| + else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false }
|
| + if (doScroll != null && !phantom) {
|
| + var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"))
|
| + cm.display.lineSpace.appendChild(scrollNode)
|
| + scrollNode.scrollIntoView(doScroll)
|
| + cm.display.lineSpace.removeChild(scrollNode)
|
| + }
|
| +}
|
| +
|
| +// Scroll a given position into view (immediately), verifying that
|
| +// it actually became visible (as line heights are accurately
|
| +// measured, the position of something may 'drift' during drawing).
|
| +function scrollPosIntoView(cm, pos, end, margin) {
|
| + if (margin == null) { margin = 0 }
|
| + var rect
|
| + for (var limit = 0; limit < 5; limit++) {
|
| + var changed = false
|
| + var coords = cursorCoords(cm, pos)
|
| + var endCoords = !end || end == pos ? coords : cursorCoords(cm, end)
|
| + rect = {left: Math.min(coords.left, endCoords.left),
|
| + top: Math.min(coords.top, endCoords.top) - margin,
|
| + right: Math.max(coords.left, endCoords.left),
|
| + bottom: Math.max(coords.bottom, endCoords.bottom) + margin}
|
| + var scrollPos = calculateScrollPos(cm, rect)
|
| + var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft
|
| + if (scrollPos.scrollTop != null) {
|
| + setScrollTop(cm, scrollPos.scrollTop)
|
| + if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true }
|
| + }
|
| + if (scrollPos.scrollLeft != null) {
|
| + setScrollLeft(cm, scrollPos.scrollLeft)
|
| + if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true }
|
| + }
|
| + if (!changed) { break }
|
| + }
|
| + return rect
|
| +}
|
| +
|
| +// Scroll a given set of coordinates into view (immediately).
|
| +function scrollIntoView(cm, rect) {
|
| + var scrollPos = calculateScrollPos(cm, rect)
|
| + if (scrollPos.scrollTop != null) { setScrollTop(cm, scrollPos.scrollTop) }
|
| + if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft) }
|
| +}
|
| +
|
| +// Calculate a new scroll position needed to scroll the given
|
| +// rectangle into view. Returns an object with scrollTop and
|
| +// scrollLeft properties. When these are undefined, the
|
| +// vertical/horizontal position does not need to be adjusted.
|
| +function calculateScrollPos(cm, rect) {
|
| + var display = cm.display, snapMargin = textHeight(cm.display)
|
| + if (rect.top < 0) { rect.top = 0 }
|
| + var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop
|
| + var screen = displayHeight(cm), result = {}
|
| + if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen }
|
| + var docBottom = cm.doc.height + paddingVert(display)
|
| + var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin
|
| + if (rect.top < screentop) {
|
| + result.scrollTop = atTop ? 0 : rect.top
|
| + } else if (rect.bottom > screentop + screen) {
|
| + var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen)
|
| + if (newTop != screentop) { result.scrollTop = newTop }
|
| + }
|
| +
|
| + var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft
|
| + var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0)
|
| + var tooWide = rect.right - rect.left > screenw
|
| + if (tooWide) { rect.right = rect.left + screenw }
|
| + if (rect.left < 10)
|
| + { result.scrollLeft = 0 }
|
| + else if (rect.left < screenleft)
|
| + { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)) }
|
| + else if (rect.right > screenw + screenleft - 3)
|
| + { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw }
|
| + return result
|
| +}
|
| +
|
| +// Store a relative adjustment to the scroll position in the current
|
| +// operation (to be applied when the operation finishes).
|
| +function addToScrollPos(cm, left, top) {
|
| + if (left != null || top != null) { resolveScrollToPos(cm) }
|
| + if (left != null)
|
| + { cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left }
|
| + if (top != null)
|
| + { cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top }
|
| +}
|
| +
|
| +// Make sure that at the end of the operation the current cursor is
|
| +// shown.
|
| +function ensureCursorVisible(cm) {
|
| + resolveScrollToPos(cm)
|
| + var cur = cm.getCursor(), from = cur, to = cur
|
| + if (!cm.options.lineWrapping) {
|
| + from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur
|
| + to = Pos(cur.line, cur.ch + 1)
|
| + }
|
| + cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin}
|
| +}
|
| +
|
| +// When an operation has its scrollToPos property set, and another
|
| +// scroll action is applied before the end of the operation, this
|
| +// 'simulates' scrolling that position into view in a cheap way, so
|
| +// that the effect of intermediate scroll commands is not ignored.
|
| +function resolveScrollToPos(cm) {
|
| + var range = cm.curOp.scrollToPos
|
| + if (range) {
|
| + cm.curOp.scrollToPos = null
|
| + var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to)
|
| + var sPos = calculateScrollPos(cm, {
|
| + left: Math.min(from.left, to.left),
|
| + top: Math.min(from.top, to.top) - range.margin,
|
| + right: Math.max(from.right, to.right),
|
| + bottom: Math.max(from.bottom, to.bottom) + range.margin
|
| + })
|
| + cm.scrollTo(sPos.scrollLeft, sPos.scrollTop)
|
| + }
|
| +}
|
| +
|
| +// Operations are used to wrap a series of changes to the editor
|
| +// state in such a way that each change won't have to update the
|
| +// cursor and display (which would be awkward, slow, and
|
| +// error-prone). Instead, display updates are batched and then all
|
| +// combined and executed at once.
|
| +
|
| +var nextOpId = 0
|
| +// Start a new operation.
|
| +function startOperation(cm) {
|
| + cm.curOp = {
|
| + cm: cm,
|
| + viewChanged: false, // Flag that indicates that lines might need to be redrawn
|
| + startHeight: cm.doc.height, // Used to detect need to update scrollbar
|
| + forceUpdate: false, // Used to force a redraw
|
| + updateInput: null, // Whether to reset the input textarea
|
| + typing: false, // Whether this reset should be careful to leave existing text (for compositing)
|
| + changeObjs: null, // Accumulated changes, for firing change events
|
| + cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
|
| + cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
|
| + selectionChanged: false, // Whether the selection needs to be redrawn
|
| + updateMaxLine: false, // Set when the widest line needs to be determined anew
|
| + scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
|
| + scrollToPos: null, // Used to scroll to a specific position
|
| + focus: false,
|
| + id: ++nextOpId // Unique ID
|
| + }
|
| + pushOperation(cm.curOp)
|
| +}
|
| +
|
| +// Finish an operation, updating the display and signalling delayed events
|
| +function endOperation(cm) {
|
| + var op = cm.curOp
|
| + finishOperation(op, function (group) {
|
| + for (var i = 0; i < group.ops.length; i++)
|
| + { group.ops[i].cm.curOp = null }
|
| + endOperations(group)
|
| + })
|
| +}
|
| +
|
| +// The DOM updates done when an operation finishes are batched so
|
| +// that the minimum number of relayouts are required.
|
| +function endOperations(group) {
|
| + var ops = group.ops
|
| + for (var i = 0; i < ops.length; i++) // Read DOM
|
| + { endOperation_R1(ops[i]) }
|
| + for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)
|
| + { endOperation_W1(ops[i$1]) }
|
| + for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM
|
| + { endOperation_R2(ops[i$2]) }
|
| + for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)
|
| + { endOperation_W2(ops[i$3]) }
|
| + for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM
|
| + { endOperation_finish(ops[i$4]) }
|
| +}
|
| +
|
| +function endOperation_R1(op) {
|
| + var cm = op.cm, display = cm.display
|
| + maybeClipScrollbars(cm)
|
| + if (op.updateMaxLine) { findMaxLine(cm) }
|
| +
|
| + op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
|
| + op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
|
| + op.scrollToPos.to.line >= display.viewTo) ||
|
| + display.maxLineChanged && cm.options.lineWrapping
|
| + op.update = op.mustUpdate &&
|
| + new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate)
|
| +}
|
| +
|
| +function endOperation_W1(op) {
|
| + op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update)
|
| +}
|
| +
|
| +function endOperation_R2(op) {
|
| + var cm = op.cm, display = cm.display
|
| + if (op.updatedDisplay) { updateHeightsInViewport(cm) }
|
| +
|
| + op.barMeasure = measureForScrollbars(cm)
|
| +
|
| + // If the max line changed since it was last measured, measure it,
|
| + // and ensure the document's width matches it.
|
| + // updateDisplay_W2 will use these properties to do the actual resizing
|
| + if (display.maxLineChanged && !cm.options.lineWrapping) {
|
| + op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3
|
| + cm.display.sizerWidth = op.adjustWidthTo
|
| + op.barMeasure.scrollWidth =
|
| + Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth)
|
| + op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm))
|
| + }
|
| +
|
| + if (op.updatedDisplay || op.selectionChanged)
|
| + { op.preparedSelection = display.input.prepareSelection(op.focus) }
|
| +}
|
| +
|
| +function endOperation_W2(op) {
|
| + var cm = op.cm
|
| +
|
| + if (op.adjustWidthTo != null) {
|
| + cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"
|
| + if (op.maxScrollLeft < cm.doc.scrollLeft)
|
| + { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true) }
|
| + cm.display.maxLineChanged = false
|
| + }
|
| +
|
| + var takeFocus = op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus())
|
| + if (op.preparedSelection)
|
| + { cm.display.input.showSelection(op.preparedSelection, takeFocus) }
|
| + if (op.updatedDisplay || op.startHeight != cm.doc.height)
|
| + { updateScrollbars(cm, op.barMeasure) }
|
| + if (op.updatedDisplay)
|
| + { setDocumentHeight(cm, op.barMeasure) }
|
| +
|
| + if (op.selectionChanged) { restartBlink(cm) }
|
| +
|
| + if (cm.state.focused && op.updateInput)
|
| + { cm.display.input.reset(op.typing) }
|
| + if (takeFocus) { ensureFocus(op.cm) }
|
| +}
|
| +
|
| +function endOperation_finish(op) {
|
| + var cm = op.cm, display = cm.display, doc = cm.doc
|
| +
|
| + if (op.updatedDisplay) { postUpdateDisplay(cm, op.update) }
|
| +
|
| + // Abort mouse wheel delta measurement, when scrolling explicitly
|
| + if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
|
| + { display.wheelStartX = display.wheelStartY = null }
|
| +
|
| + // Propagate the scroll position to the actual DOM scroller
|
| + if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) {
|
| + doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop))
|
| + display.scrollbars.setScrollTop(doc.scrollTop)
|
| + display.scroller.scrollTop = doc.scrollTop
|
| + }
|
| + if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) {
|
| + doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft))
|
| + display.scrollbars.setScrollLeft(doc.scrollLeft)
|
| + display.scroller.scrollLeft = doc.scrollLeft
|
| + alignHorizontally(cm)
|
| + }
|
| + // If we need to scroll a specific position into view, do so.
|
| + if (op.scrollToPos) {
|
| + var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
|
| + clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin)
|
| + maybeScrollWindow(cm, rect)
|
| + }
|
| +
|
| + // Fire events for markers that are hidden/unidden by editing or
|
| + // undoing
|
| + var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers
|
| + if (hidden) { for (var i = 0; i < hidden.length; ++i)
|
| + { if (!hidden[i].lines.length) { signal(hidden[i], "hide") } } }
|
| + if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)
|
| + { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide") } } }
|
| +
|
| + if (display.wrapper.offsetHeight)
|
| + { doc.scrollTop = cm.display.scroller.scrollTop }
|
| +
|
| + // Fire change events, and delayed event handlers
|
| + if (op.changeObjs)
|
| + { signal(cm, "changes", cm, op.changeObjs) }
|
| + if (op.update)
|
| + { op.update.finish() }
|
| +}
|
| +
|
| +// Run the given function in an operation
|
| +function runInOp(cm, f) {
|
| + if (cm.curOp) { return f() }
|
| + startOperation(cm)
|
| + try { return f() }
|
| + finally { endOperation(cm) }
|
| +}
|
| +// Wraps a function in an operation. Returns the wrapped function.
|
| +function operation(cm, f) {
|
| + return function() {
|
| + if (cm.curOp) { return f.apply(cm, arguments) }
|
| + startOperation(cm)
|
| + try { return f.apply(cm, arguments) }
|
| + finally { endOperation(cm) }
|
| + }
|
| +}
|
| +// Used to add methods to editor and doc instances, wrapping them in
|
| +// operations.
|
| +function methodOp(f) {
|
| + return function() {
|
| + if (this.curOp) { return f.apply(this, arguments) }
|
| + startOperation(this)
|
| + try { return f.apply(this, arguments) }
|
| + finally { endOperation(this) }
|
| + }
|
| +}
|
| +function docMethodOp(f) {
|
| + return function() {
|
| + var cm = this.cm
|
| + if (!cm || cm.curOp) { return f.apply(this, arguments) }
|
| + startOperation(cm)
|
| + try { return f.apply(this, arguments) }
|
| + finally { endOperation(cm) }
|
| + }
|
| +}
|
| +
|
| +// Updates the display.view data structure for a given change to the
|
| +// document. From and to are in pre-change coordinates. Lendiff is
|
| +// the amount of lines added or subtracted by the change. This is
|
| +// used for changes that span multiple lines, or change the way
|
| +// lines are divided into visual lines. regLineChange (below)
|
| +// registers single-line changes.
|
| +function regChange(cm, from, to, lendiff) {
|
| + if (from == null) { from = cm.doc.first }
|
| + if (to == null) { to = cm.doc.first + cm.doc.size }
|
| + if (!lendiff) { lendiff = 0 }
|
| +
|
| + var display = cm.display
|
| + if (lendiff && to < display.viewTo &&
|
| + (display.updateLineNumbers == null || display.updateLineNumbers > from))
|
| + { display.updateLineNumbers = from }
|
| +
|
| + cm.curOp.viewChanged = true
|
| +
|
| + if (from >= display.viewTo) { // Change after
|
| + if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
|
| + { resetView(cm) }
|
| + } else if (to <= display.viewFrom) { // Change before
|
| + if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
|
| + resetView(cm)
|
| + } else {
|
| + display.viewFrom += lendiff
|
| + display.viewTo += lendiff
|
| + }
|
| + } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
|
| + resetView(cm)
|
| + } else if (from <= display.viewFrom) { // Top overlap
|
| + var cut = viewCuttingPoint(cm, to, to + lendiff, 1)
|
| + if (cut) {
|
| + display.view = display.view.slice(cut.index)
|
| + display.viewFrom = cut.lineN
|
| + display.viewTo += lendiff
|
| + } else {
|
| + resetView(cm)
|
| }
|
| - return {fixedPos: compensateForHScroll(d),
|
| - gutterTotalWidth: d.gutters.offsetWidth,
|
| - gutterLeft: left,
|
| - gutterWidth: width,
|
| - wrapperWidth: d.wrapper.clientWidth};
|
| + } else if (to >= display.viewTo) { // Bottom overlap
|
| + var cut$1 = viewCuttingPoint(cm, from, from, -1)
|
| + if (cut$1) {
|
| + display.view = display.view.slice(0, cut$1.index)
|
| + display.viewTo = cut$1.lineN
|
| + } else {
|
| + resetView(cm)
|
| + }
|
| + } else { // Gap in the middle
|
| + var cutTop = viewCuttingPoint(cm, from, from, -1)
|
| + var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1)
|
| + if (cutTop && cutBot) {
|
| + display.view = display.view.slice(0, cutTop.index)
|
| + .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
|
| + .concat(display.view.slice(cutBot.index))
|
| + display.viewTo += lendiff
|
| + } else {
|
| + resetView(cm)
|
| + }
|
| + }
|
| +
|
| + var ext = display.externalMeasured
|
| + if (ext) {
|
| + if (to < ext.lineN)
|
| + { ext.lineN += lendiff }
|
| + else if (from < ext.lineN + ext.size)
|
| + { display.externalMeasured = null }
|
| + }
|
| +}
|
| +
|
| +// Register a change to a single line. Type must be one of "text",
|
| +// "gutter", "class", "widget"
|
| +function regLineChange(cm, line, type) {
|
| + cm.curOp.viewChanged = true
|
| + var display = cm.display, ext = cm.display.externalMeasured
|
| + if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
|
| + { display.externalMeasured = null }
|
| +
|
| + if (line < display.viewFrom || line >= display.viewTo) { return }
|
| + var lineView = display.view[findViewIndex(cm, line)]
|
| + if (lineView.node == null) { return }
|
| + var arr = lineView.changes || (lineView.changes = [])
|
| + if (indexOf(arr, type) == -1) { arr.push(type) }
|
| +}
|
| +
|
| +// Clear the view.
|
| +function resetView(cm) {
|
| + cm.display.viewFrom = cm.display.viewTo = cm.doc.first
|
| + cm.display.view = []
|
| + cm.display.viewOffset = 0
|
| +}
|
| +
|
| +function viewCuttingPoint(cm, oldN, newN, dir) {
|
| + var index = findViewIndex(cm, oldN), diff, view = cm.display.view
|
| + if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
|
| + { return {index: index, lineN: newN} }
|
| + var n = cm.display.viewFrom
|
| + for (var i = 0; i < index; i++)
|
| + { n += view[i].size }
|
| + if (n != oldN) {
|
| + if (dir > 0) {
|
| + if (index == view.length - 1) { return null }
|
| + diff = (n + view[index].size) - oldN
|
| + index++
|
| + } else {
|
| + diff = n - oldN
|
| + }
|
| + oldN += diff; newN += diff
|
| + }
|
| + while (visualLineNo(cm.doc, newN) != newN) {
|
| + if (index == (dir < 0 ? 0 : view.length - 1)) { return null }
|
| + newN += dir * view[index - (dir < 0 ? 1 : 0)].size
|
| + index += dir
|
| + }
|
| + return {index: index, lineN: newN}
|
| +}
|
| +
|
| +// Force the view to cover a given range, adding empty view element
|
| +// or clipping off existing ones as needed.
|
| +function adjustView(cm, from, to) {
|
| + var display = cm.display, view = display.view
|
| + if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
|
| + display.view = buildViewArray(cm, from, to)
|
| + display.viewFrom = from
|
| + } else {
|
| + if (display.viewFrom > from)
|
| + { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view) }
|
| + else if (display.viewFrom < from)
|
| + { display.view = display.view.slice(findViewIndex(cm, from)) }
|
| + display.viewFrom = from
|
| + if (display.viewTo < to)
|
| + { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)) }
|
| + else if (display.viewTo > to)
|
| + { display.view = display.view.slice(0, findViewIndex(cm, to)) }
|
| + }
|
| + display.viewTo = to
|
| +}
|
| +
|
| +// Count the number of lines in the view whose DOM representation is
|
| +// out of date (or nonexistent).
|
| +function countDirtyView(cm) {
|
| + var view = cm.display.view, dirty = 0
|
| + for (var i = 0; i < view.length; i++) {
|
| + var lineView = view[i]
|
| + if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty }
|
| + }
|
| + return dirty
|
| +}
|
| +
|
| +// HIGHLIGHT WORKER
|
| +
|
| +function startWorker(cm, time) {
|
| + if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo)
|
| + { cm.state.highlight.set(time, bind(highlightWorker, cm)) }
|
| +}
|
| +
|
| +function highlightWorker(cm) {
|
| + var doc = cm.doc
|
| + if (doc.frontier < doc.first) { doc.frontier = doc.first }
|
| + if (doc.frontier >= cm.display.viewTo) { return }
|
| + var end = +new Date + cm.options.workTime
|
| + var state = copyState(doc.mode, getStateBefore(cm, doc.frontier))
|
| + var changedLines = []
|
| +
|
| + doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {
|
| + if (doc.frontier >= cm.display.viewFrom) { // Visible
|
| + var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength
|
| + var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true)
|
| + line.styles = highlighted.styles
|
| + var oldCls = line.styleClasses, newCls = highlighted.classes
|
| + if (newCls) { line.styleClasses = newCls }
|
| + else if (oldCls) { line.styleClasses = null }
|
| + var ischange = !oldStyles || oldStyles.length != line.styles.length ||
|
| + oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass)
|
| + for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i] }
|
| + if (ischange) { changedLines.push(doc.frontier) }
|
| + line.stateAfter = tooLong ? state : copyState(doc.mode, state)
|
| + } else {
|
| + if (line.text.length <= cm.options.maxHighlightLength)
|
| + { processLine(cm, line.text, state) }
|
| + line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null
|
| + }
|
| + ++doc.frontier
|
| + if (+new Date > end) {
|
| + startWorker(cm, cm.options.workDelay)
|
| + return true
|
| + }
|
| + })
|
| + if (changedLines.length) { runInOp(cm, function () {
|
| + for (var i = 0; i < changedLines.length; i++)
|
| + { regLineChange(cm, changedLines[i], "text") }
|
| + }) }
|
| +}
|
| +
|
| +// DISPLAY DRAWING
|
| +
|
| +var DisplayUpdate = function DisplayUpdate(cm, viewport, force) {
|
| + var display = cm.display
|
| +
|
| + this.viewport = viewport
|
| + // Store some values that we'll need later (but don't want to force a relayout for)
|
| + this.visible = visibleLines(display, cm.doc, viewport)
|
| + this.editorIsHidden = !display.wrapper.offsetWidth
|
| + this.wrapperHeight = display.wrapper.clientHeight
|
| + this.wrapperWidth = display.wrapper.clientWidth
|
| + this.oldDisplayWidth = displayWidth(cm)
|
| + this.force = force
|
| + this.dims = getDimensions(cm)
|
| + this.events = []
|
| +};
|
| +
|
| +DisplayUpdate.prototype.signal = function signal$1 (emitter, type) {
|
| + if (hasHandler(emitter, type))
|
| + { this.events.push(arguments) }
|
| +};
|
| +DisplayUpdate.prototype.finish = function finish () {
|
| + var this$1 = this;
|
| +
|
| + for (var i = 0; i < this.events.length; i++)
|
| + { signal.apply(null, this$1.events[i]) }
|
| +};
|
| +
|
| +function maybeClipScrollbars(cm) {
|
| + var display = cm.display
|
| + if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
|
| + display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth
|
| + display.heightForcer.style.height = scrollGap(cm) + "px"
|
| + display.sizer.style.marginBottom = -display.nativeBarWidth + "px"
|
| + display.sizer.style.borderRightWidth = scrollGap(cm) + "px"
|
| + display.scrollbarsClipped = true
|
| + }
|
| +}
|
| +
|
| +// Does the actual updating of the line display. Bails out
|
| +// (returning false) when there is nothing to be done and forced is
|
| +// false.
|
| +function updateDisplayIfNeeded(cm, update) {
|
| + var display = cm.display, doc = cm.doc
|
| +
|
| + if (update.editorIsHidden) {
|
| + resetView(cm)
|
| + return false
|
| + }
|
| +
|
| + // Bail out if the visible area is already rendered and nothing changed.
|
| + if (!update.force &&
|
| + update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
|
| + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
|
| + display.renderedView == display.view && countDirtyView(cm) == 0)
|
| + { return false }
|
| +
|
| + if (maybeUpdateLineNumberWidth(cm)) {
|
| + resetView(cm)
|
| + update.dims = getDimensions(cm)
|
| + }
|
| +
|
| + // Compute a suitable new viewport (from & to)
|
| + var end = doc.first + doc.size
|
| + var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first)
|
| + var to = Math.min(end, update.visible.to + cm.options.viewportMargin)
|
| + if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom) }
|
| + if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo) }
|
| + if (sawCollapsedSpans) {
|
| + from = visualLineNo(cm.doc, from)
|
| + to = visualLineEndNo(cm.doc, to)
|
| + }
|
| +
|
| + var different = from != display.viewFrom || to != display.viewTo ||
|
| + display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth
|
| + adjustView(cm, from, to)
|
| +
|
| + display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom))
|
| + // Position the mover div to align with the current scroll position
|
| + cm.display.mover.style.top = display.viewOffset + "px"
|
| +
|
| + var toUpdate = countDirtyView(cm)
|
| + if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
|
| + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
|
| + { return false }
|
| +
|
| + // For big changes, we hide the enclosing element during the
|
| + // update, since that speeds up the operations on most browsers.
|
| + var focused = activeElt()
|
| + if (toUpdate > 4) { display.lineDiv.style.display = "none" }
|
| + patchDisplay(cm, display.updateLineNumbers, update.dims)
|
| + if (toUpdate > 4) { display.lineDiv.style.display = "" }
|
| + display.renderedView = display.view
|
| + // There might have been a widget with a focused element that got
|
| + // hidden or updated, if so re-focus it.
|
| + if (focused && activeElt() != focused && focused.offsetHeight) { focused.focus() }
|
| +
|
| + // Prevent selection and cursors from interfering with the scroll
|
| + // width and height.
|
| + removeChildren(display.cursorDiv)
|
| + removeChildren(display.selectionDiv)
|
| + display.gutters.style.height = display.sizer.style.minHeight = 0
|
| +
|
| + if (different) {
|
| + display.lastWrapHeight = update.wrapperHeight
|
| + display.lastWrapWidth = update.wrapperWidth
|
| + startWorker(cm, 400)
|
| + }
|
| +
|
| + display.updateLineNumbers = null
|
| +
|
| + return true
|
| +}
|
| +
|
| +function postUpdateDisplay(cm, update) {
|
| + var viewport = update.viewport
|
| +
|
| + for (var first = true;; first = false) {
|
| + if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
|
| + // Clip forced viewport to actual scrollable area.
|
| + if (viewport && viewport.top != null)
|
| + { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)} }
|
| + // Updated line heights might result in the drawn area not
|
| + // actually covering the viewport. Keep looping until it does.
|
| + update.visible = visibleLines(cm.display, cm.doc, viewport)
|
| + if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
|
| + { break }
|
| + }
|
| + if (!updateDisplayIfNeeded(cm, update)) { break }
|
| + updateHeightsInViewport(cm)
|
| + var barMeasure = measureForScrollbars(cm)
|
| + updateSelection(cm)
|
| + updateScrollbars(cm, barMeasure)
|
| + setDocumentHeight(cm, barMeasure)
|
| + }
|
| +
|
| + update.signal(cm, "update", cm)
|
| + if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
|
| + update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo)
|
| + cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo
|
| + }
|
| +}
|
| +
|
| +function updateDisplaySimple(cm, viewport) {
|
| + var update = new DisplayUpdate(cm, viewport)
|
| + if (updateDisplayIfNeeded(cm, update)) {
|
| + updateHeightsInViewport(cm)
|
| + postUpdateDisplay(cm, update)
|
| + var barMeasure = measureForScrollbars(cm)
|
| + updateSelection(cm)
|
| + updateScrollbars(cm, barMeasure)
|
| + setDocumentHeight(cm, barMeasure)
|
| + update.finish()
|
| + }
|
| +}
|
| +
|
| +// Sync the actual display DOM structure with display.view, removing
|
| +// nodes for lines that are no longer in view, and creating the ones
|
| +// that are not there yet, and updating the ones that are out of
|
| +// date.
|
| +function patchDisplay(cm, updateNumbersFrom, dims) {
|
| + var display = cm.display, lineNumbers = cm.options.lineNumbers
|
| + var container = display.lineDiv, cur = container.firstChild
|
| +
|
| + function rm(node) {
|
| + var next = node.nextSibling
|
| + // Works around a throw-scroll bug in OS X Webkit
|
| + if (webkit && mac && cm.display.currentWheelTarget == node)
|
| + { node.style.display = "none" }
|
| + else
|
| + { node.parentNode.removeChild(node) }
|
| + return next
|
| + }
|
| +
|
| + var view = display.view, lineN = display.viewFrom
|
| + // Loop over the elements in the view, syncing cur (the DOM nodes
|
| + // in display.lineDiv) with the view as we go.
|
| + for (var i = 0; i < view.length; i++) {
|
| + var lineView = view[i]
|
| + if (lineView.hidden) {
|
| + } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
|
| + var node = buildLineElement(cm, lineView, lineN, dims)
|
| + container.insertBefore(node, cur)
|
| + } else { // Already drawn
|
| + while (cur != lineView.node) { cur = rm(cur) }
|
| + var updateNumber = lineNumbers && updateNumbersFrom != null &&
|
| + updateNumbersFrom <= lineN && lineView.lineNumber
|
| + if (lineView.changes) {
|
| + if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false }
|
| + updateLineForChanges(cm, lineView, lineN, dims)
|
| + }
|
| + if (updateNumber) {
|
| + removeChildren(lineView.lineNumber)
|
| + lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)))
|
| + }
|
| + cur = lineView.node.nextSibling
|
| + }
|
| + lineN += lineView.size
|
| + }
|
| + while (cur) { cur = rm(cur) }
|
| +}
|
| +
|
| +function updateGutterSpace(cm) {
|
| + var width = cm.display.gutters.offsetWidth
|
| + cm.display.sizer.style.marginLeft = width + "px"
|
| +}
|
| +
|
| +function setDocumentHeight(cm, measure) {
|
| + cm.display.sizer.style.minHeight = measure.docHeight + "px"
|
| + cm.display.heightForcer.style.top = measure.docHeight + "px"
|
| + cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"
|
| +}
|
| +
|
| +// Rebuild the gutter elements, ensure the margin to the left of the
|
| +// code matches their width.
|
| +function updateGutters(cm) {
|
| + var gutters = cm.display.gutters, specs = cm.options.gutters
|
| + removeChildren(gutters)
|
| + var i = 0
|
| + for (; i < specs.length; ++i) {
|
| + var gutterClass = specs[i]
|
| + var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass))
|
| + if (gutterClass == "CodeMirror-linenumbers") {
|
| + cm.display.lineGutter = gElt
|
| + gElt.style.width = (cm.display.lineNumWidth || 1) + "px"
|
| + }
|
| + }
|
| + gutters.style.display = i ? "" : "none"
|
| + updateGutterSpace(cm)
|
| +}
|
| +
|
| +// Make sure the gutters options contains the element
|
| +// "CodeMirror-linenumbers" when the lineNumbers option is true.
|
| +function setGuttersForLineNumbers(options) {
|
| + var found = indexOf(options.gutters, "CodeMirror-linenumbers")
|
| + if (found == -1 && options.lineNumbers) {
|
| + options.gutters = options.gutters.concat(["CodeMirror-linenumbers"])
|
| + } else if (found > -1 && !options.lineNumbers) {
|
| + options.gutters = options.gutters.slice(0)
|
| + options.gutters.splice(found, 1)
|
| + }
|
| +}
|
| +
|
| +// Selection objects are immutable. A new one is created every time
|
| +// the selection changes. A selection is one or more non-overlapping
|
| +// (and non-touching) ranges, sorted, and an integer that indicates
|
| +// which one is the primary selection (the one that's scrolled into
|
| +// view, that getCursor returns, etc).
|
| +var Selection = function Selection(ranges, primIndex) {
|
| + this.ranges = ranges
|
| + this.primIndex = primIndex
|
| +};
|
| +
|
| +Selection.prototype.primary = function primary () { return this.ranges[this.primIndex] };
|
| +
|
| +Selection.prototype.equals = function equals (other) {
|
| + var this$1 = this;
|
| +
|
| + if (other == this) { return true }
|
| + if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }
|
| + for (var i = 0; i < this.ranges.length; i++) {
|
| + var here = this$1.ranges[i], there = other.ranges[i]
|
| + if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }
|
| + }
|
| + return true
|
| +};
|
| +
|
| +Selection.prototype.deepCopy = function deepCopy () {
|
| + var this$1 = this;
|
| +
|
| + var out = []
|
| + for (var i = 0; i < this.ranges.length; i++)
|
| + { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)) }
|
| + return new Selection(out, this.primIndex)
|
| +};
|
| +
|
| +Selection.prototype.somethingSelected = function somethingSelected () {
|
| + var this$1 = this;
|
| +
|
| + for (var i = 0; i < this.ranges.length; i++)
|
| + { if (!this$1.ranges[i].empty()) { return true } }
|
| + return false
|
| +};
|
| +
|
| +Selection.prototype.contains = function contains (pos, end) {
|
| + var this$1 = this;
|
| +
|
| + if (!end) { end = pos }
|
| + for (var i = 0; i < this.ranges.length; i++) {
|
| + var range = this$1.ranges[i]
|
| + if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
|
| + { return i }
|
| + }
|
| + return -1
|
| +};
|
| +
|
| +var Range = function Range(anchor, head) {
|
| + this.anchor = anchor; this.head = head
|
| +};
|
| +
|
| +Range.prototype.from = function from () { return minPos(this.anchor, this.head) };
|
| +Range.prototype.to = function to () { return maxPos(this.anchor, this.head) };
|
| +Range.prototype.empty = function empty () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };
|
| +
|
| +// Take an unsorted, potentially overlapping set of ranges, and
|
| +// build a selection out of it. 'Consumes' ranges array (modifying
|
| +// it).
|
| +function normalizeSelection(ranges, primIndex) {
|
| + var prim = ranges[primIndex]
|
| + ranges.sort(function (a, b) { return cmp(a.from(), b.from()); })
|
| + primIndex = indexOf(ranges, prim)
|
| + for (var i = 1; i < ranges.length; i++) {
|
| + var cur = ranges[i], prev = ranges[i - 1]
|
| + if (cmp(prev.to(), cur.from()) >= 0) {
|
| + var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to())
|
| + var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head
|
| + if (i <= primIndex) { --primIndex }
|
| + ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to))
|
| + }
|
| + }
|
| + return new Selection(ranges, primIndex)
|
| +}
|
| +
|
| +function simpleSelection(anchor, head) {
|
| + return new Selection([new Range(anchor, head || anchor)], 0)
|
| +}
|
| +
|
| +// Compute the position of the end of a change (its 'to' property
|
| +// refers to the pre-change end).
|
| +function changeEnd(change) {
|
| + if (!change.text) { return change.to }
|
| + return Pos(change.from.line + change.text.length - 1,
|
| + lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))
|
| +}
|
| +
|
| +// Adjust a position to refer to the post-change position of the
|
| +// same text, or the end of the change if the change covers it.
|
| +function adjustForChange(pos, change) {
|
| + if (cmp(pos, change.from) < 0) { return pos }
|
| + if (cmp(pos, change.to) <= 0) { return changeEnd(change) }
|
| +
|
| + var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch
|
| + if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch }
|
| + return Pos(line, ch)
|
| +}
|
| +
|
| +function computeSelAfterChange(doc, change) {
|
| + var out = []
|
| + for (var i = 0; i < doc.sel.ranges.length; i++) {
|
| + var range = doc.sel.ranges[i]
|
| + out.push(new Range(adjustForChange(range.anchor, change),
|
| + adjustForChange(range.head, change)))
|
| + }
|
| + return normalizeSelection(out, doc.sel.primIndex)
|
| +}
|
| +
|
| +function offsetPos(pos, old, nw) {
|
| + if (pos.line == old.line)
|
| + { return Pos(nw.line, pos.ch - old.ch + nw.ch) }
|
| + else
|
| + { return Pos(nw.line + (pos.line - old.line), pos.ch) }
|
| +}
|
| +
|
| +// Used by replaceSelections to allow moving the selection to the
|
| +// start or around the replaced test. Hint may be "start" or "around".
|
| +function computeReplacedSel(doc, changes, hint) {
|
| + var out = []
|
| + var oldPrev = Pos(doc.first, 0), newPrev = oldPrev
|
| + for (var i = 0; i < changes.length; i++) {
|
| + var change = changes[i]
|
| + var from = offsetPos(change.from, oldPrev, newPrev)
|
| + var to = offsetPos(changeEnd(change), oldPrev, newPrev)
|
| + oldPrev = change.to
|
| + newPrev = to
|
| + if (hint == "around") {
|
| + var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0
|
| + out[i] = new Range(inv ? to : from, inv ? from : to)
|
| + } else {
|
| + out[i] = new Range(from, from)
|
| + }
|
| + }
|
| + return new Selection(out, doc.sel.primIndex)
|
| +}
|
| +
|
| +// Used to get the editor into a consistent state again when options change.
|
| +
|
| +function loadMode(cm) {
|
| + cm.doc.mode = getMode(cm.options, cm.doc.modeOption)
|
| + resetModeState(cm)
|
| +}
|
| +
|
| +function resetModeState(cm) {
|
| + cm.doc.iter(function (line) {
|
| + if (line.stateAfter) { line.stateAfter = null }
|
| + if (line.styles) { line.styles = null }
|
| + })
|
| + cm.doc.frontier = cm.doc.first
|
| + startWorker(cm, 100)
|
| + cm.state.modeGen++
|
| + if (cm.curOp) { regChange(cm) }
|
| +}
|
| +
|
| +// DOCUMENT DATA STRUCTURE
|
| +
|
| +// By default, updates that start and end at the beginning of a line
|
| +// are treated specially, in order to make the association of line
|
| +// widgets and marker elements with the text behave more intuitive.
|
| +function isWholeLineUpdate(doc, change) {
|
| + return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
|
| + (!doc.cm || doc.cm.options.wholeLineUpdateBefore)
|
| +}
|
| +
|
| +// Perform a change on the document data structure.
|
| +function updateDoc(doc, change, markedSpans, estimateHeight) {
|
| + function spansFor(n) {return markedSpans ? markedSpans[n] : null}
|
| + function update(line, text, spans) {
|
| + updateLine(line, text, spans, estimateHeight)
|
| + signalLater(line, "change", line, change)
|
| + }
|
| + function linesFor(start, end) {
|
| + var result = []
|
| + for (var i = start; i < end; ++i)
|
| + { result.push(new Line(text[i], spansFor(i), estimateHeight)) }
|
| + return result
|
| }
|
|
|
| - // Sync the actual display DOM structure with display.view, removing
|
| - // nodes for lines that are no longer in view, and creating the ones
|
| - // that are not there yet, and updating the ones that are out of
|
| - // date.
|
| - function patchDisplay(cm, updateNumbersFrom, dims) {
|
| - var display = cm.display, lineNumbers = cm.options.lineNumbers;
|
| - var container = display.lineDiv, cur = container.firstChild;
|
| -
|
| - function rm(node) {
|
| - var next = node.nextSibling;
|
| - // Works around a throw-scroll bug in OS X Webkit
|
| - if (webkit && mac && cm.display.currentWheelTarget == node)
|
| - node.style.display = "none";
|
| - else
|
| - node.parentNode.removeChild(node);
|
| - return next;
|
| - }
|
| -
|
| - var view = display.view, lineN = display.viewFrom;
|
| - // Loop over the elements in the view, syncing cur (the DOM nodes
|
| - // in display.lineDiv) with the view as we go.
|
| - for (var i = 0; i < view.length; i++) {
|
| - var lineView = view[i];
|
| - if (lineView.hidden) {
|
| - } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
|
| - var node = buildLineElement(cm, lineView, lineN, dims);
|
| - container.insertBefore(node, cur);
|
| - } else { // Already drawn
|
| - while (cur != lineView.node) cur = rm(cur);
|
| - var updateNumber = lineNumbers && updateNumbersFrom != null &&
|
| - updateNumbersFrom <= lineN && lineView.lineNumber;
|
| - if (lineView.changes) {
|
| - if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false;
|
| - updateLineForChanges(cm, lineView, lineN, dims);
|
| + var from = change.from, to = change.to, text = change.text
|
| + var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line)
|
| + var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line
|
| +
|
| + // Adjust the line structure
|
| + if (change.full) {
|
| + doc.insert(0, linesFor(0, text.length))
|
| + doc.remove(text.length, doc.size - text.length)
|
| + } else if (isWholeLineUpdate(doc, change)) {
|
| + // This is a whole-line replace. Treated specially to make
|
| + // sure line objects move the way they are supposed to.
|
| + var added = linesFor(0, text.length - 1)
|
| + update(lastLine, lastLine.text, lastSpans)
|
| + if (nlines) { doc.remove(from.line, nlines) }
|
| + if (added.length) { doc.insert(from.line, added) }
|
| + } else if (firstLine == lastLine) {
|
| + if (text.length == 1) {
|
| + update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans)
|
| + } else {
|
| + var added$1 = linesFor(1, text.length - 1)
|
| + added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight))
|
| + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0))
|
| + doc.insert(from.line + 1, added$1)
|
| + }
|
| + } else if (text.length == 1) {
|
| + update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0))
|
| + doc.remove(from.line + 1, nlines)
|
| + } else {
|
| + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0))
|
| + update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans)
|
| + var added$2 = linesFor(1, text.length - 1)
|
| + if (nlines > 1) { doc.remove(from.line + 1, nlines - 1) }
|
| + doc.insert(from.line + 1, added$2)
|
| + }
|
| +
|
| + signalLater(doc, "change", doc, change)
|
| +}
|
| +
|
| +// Call f for all linked documents.
|
| +function linkedDocs(doc, f, sharedHistOnly) {
|
| + function propagate(doc, skip, sharedHist) {
|
| + if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {
|
| + var rel = doc.linked[i]
|
| + if (rel.doc == skip) { continue }
|
| + var shared = sharedHist && rel.sharedHist
|
| + if (sharedHistOnly && !shared) { continue }
|
| + f(rel.doc, shared)
|
| + propagate(rel.doc, doc, shared)
|
| + } }
|
| + }
|
| + propagate(doc, null, true)
|
| +}
|
| +
|
| +// Attach a document to an editor.
|
| +function attachDoc(cm, doc) {
|
| + if (doc.cm) { throw new Error("This document is already in use.") }
|
| + cm.doc = doc
|
| + doc.cm = cm
|
| + estimateLineHeights(cm)
|
| + loadMode(cm)
|
| + setDirectionClass(cm)
|
| + if (!cm.options.lineWrapping) { findMaxLine(cm) }
|
| + cm.options.mode = doc.modeOption
|
| + regChange(cm)
|
| +}
|
| +
|
| +function setDirectionClass(cm) {
|
| + ;(cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl")
|
| +}
|
| +
|
| +function directionChanged(cm) {
|
| + runInOp(cm, function () {
|
| + setDirectionClass(cm)
|
| + regChange(cm)
|
| + })
|
| +}
|
| +
|
| +function History(startGen) {
|
| + // Arrays of change events and selections. Doing something adds an
|
| + // event to done and clears undo. Undoing moves events from done
|
| + // to undone, redoing moves them in the other direction.
|
| + this.done = []; this.undone = []
|
| + this.undoDepth = Infinity
|
| + // Used to track when changes can be merged into a single undo
|
| + // event
|
| + this.lastModTime = this.lastSelTime = 0
|
| + this.lastOp = this.lastSelOp = null
|
| + this.lastOrigin = this.lastSelOrigin = null
|
| + // Used by the isClean() method
|
| + this.generation = this.maxGeneration = startGen || 1
|
| +}
|
| +
|
| +// Create a history change event from an updateDoc-style change
|
| +// object.
|
| +function historyChangeFromChange(doc, change) {
|
| + var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}
|
| + attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1)
|
| + linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true)
|
| + return histChange
|
| +}
|
| +
|
| +// Pop all selection events off the end of a history array. Stop at
|
| +// a change event.
|
| +function clearSelectionEvents(array) {
|
| + while (array.length) {
|
| + var last = lst(array)
|
| + if (last.ranges) { array.pop() }
|
| + else { break }
|
| + }
|
| +}
|
| +
|
| +// Find the top change event in the history. Pop off selection
|
| +// events that are in the way.
|
| +function lastChangeEvent(hist, force) {
|
| + if (force) {
|
| + clearSelectionEvents(hist.done)
|
| + return lst(hist.done)
|
| + } else if (hist.done.length && !lst(hist.done).ranges) {
|
| + return lst(hist.done)
|
| + } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
|
| + hist.done.pop()
|
| + return lst(hist.done)
|
| + }
|
| +}
|
| +
|
| +// Register a change in the history. Merges changes that are within
|
| +// a single operation, or are close together with an origin that
|
| +// allows merging (starting with "+") into a single event.
|
| +function addChangeToHistory(doc, change, selAfter, opId) {
|
| + var hist = doc.history
|
| + hist.undone.length = 0
|
| + var time = +new Date, cur
|
| + var last
|
| +
|
| + if ((hist.lastOp == opId ||
|
| + hist.lastOrigin == change.origin && change.origin &&
|
| + ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
|
| + change.origin.charAt(0) == "*")) &&
|
| + (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
|
| + // Merge this change into the last event
|
| + last = lst(cur.changes)
|
| + if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
|
| + // Optimized case for simple insertion -- don't want to add
|
| + // new changesets for every character typed
|
| + last.to = changeEnd(change)
|
| + } else {
|
| + // Add new sub-event
|
| + cur.changes.push(historyChangeFromChange(doc, change))
|
| + }
|
| + } else {
|
| + // Can not be merged, start a new event.
|
| + var before = lst(hist.done)
|
| + if (!before || !before.ranges)
|
| + { pushSelectionToHistory(doc.sel, hist.done) }
|
| + cur = {changes: [historyChangeFromChange(doc, change)],
|
| + generation: hist.generation}
|
| + hist.done.push(cur)
|
| + while (hist.done.length > hist.undoDepth) {
|
| + hist.done.shift()
|
| + if (!hist.done[0].ranges) { hist.done.shift() }
|
| + }
|
| + }
|
| + hist.done.push(selAfter)
|
| + hist.generation = ++hist.maxGeneration
|
| + hist.lastModTime = hist.lastSelTime = time
|
| + hist.lastOp = hist.lastSelOp = opId
|
| + hist.lastOrigin = hist.lastSelOrigin = change.origin
|
| +
|
| + if (!last) { signal(doc, "historyAdded") }
|
| +}
|
| +
|
| +function selectionEventCanBeMerged(doc, origin, prev, sel) {
|
| + var ch = origin.charAt(0)
|
| + return ch == "*" ||
|
| + ch == "+" &&
|
| + prev.ranges.length == sel.ranges.length &&
|
| + prev.somethingSelected() == sel.somethingSelected() &&
|
| + new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)
|
| +}
|
| +
|
| +// Called whenever the selection changes, sets the new selection as
|
| +// the pending selection in the history, and pushes the old pending
|
| +// selection into the 'done' array when it was significantly
|
| +// different (in number of selected ranges, emptiness, or time).
|
| +function addSelectionToHistory(doc, sel, opId, options) {
|
| + var hist = doc.history, origin = options && options.origin
|
| +
|
| + // A new event is started when the previous origin does not match
|
| + // the current, or the origins don't allow matching. Origins
|
| + // starting with * are always merged, those starting with + are
|
| + // merged when similar and close together in time.
|
| + if (opId == hist.lastSelOp ||
|
| + (origin && hist.lastSelOrigin == origin &&
|
| + (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
|
| + selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
|
| + { hist.done[hist.done.length - 1] = sel }
|
| + else
|
| + { pushSelectionToHistory(sel, hist.done) }
|
| +
|
| + hist.lastSelTime = +new Date
|
| + hist.lastSelOrigin = origin
|
| + hist.lastSelOp = opId
|
| + if (options && options.clearRedo !== false)
|
| + { clearSelectionEvents(hist.undone) }
|
| +}
|
| +
|
| +function pushSelectionToHistory(sel, dest) {
|
| + var top = lst(dest)
|
| + if (!(top && top.ranges && top.equals(sel)))
|
| + { dest.push(sel) }
|
| +}
|
| +
|
| +// Used to store marked span information in the history.
|
| +function attachLocalSpans(doc, change, from, to) {
|
| + var existing = change["spans_" + doc.id], n = 0
|
| + doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {
|
| + if (line.markedSpans)
|
| + { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans }
|
| + ++n
|
| + })
|
| +}
|
| +
|
| +// When un/re-doing restores text containing marked spans, those
|
| +// that have been explicitly cleared should not be restored.
|
| +function removeClearedSpans(spans) {
|
| + if (!spans) { return null }
|
| + var out
|
| + for (var i = 0; i < spans.length; ++i) {
|
| + if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i) } }
|
| + else if (out) { out.push(spans[i]) }
|
| + }
|
| + return !out ? spans : out.length ? out : null
|
| +}
|
| +
|
| +// Retrieve and filter the old marked spans stored in a change event.
|
| +function getOldSpans(doc, change) {
|
| + var found = change["spans_" + doc.id]
|
| + if (!found) { return null }
|
| + var nw = []
|
| + for (var i = 0; i < change.text.length; ++i)
|
| + { nw.push(removeClearedSpans(found[i])) }
|
| + return nw
|
| +}
|
| +
|
| +// Used for un/re-doing changes from the history. Combines the
|
| +// result of computing the existing spans with the set of spans that
|
| +// existed in the history (so that deleting around a span and then
|
| +// undoing brings back the span).
|
| +function mergeOldSpans(doc, change) {
|
| + var old = getOldSpans(doc, change)
|
| + var stretched = stretchSpansOverChange(doc, change)
|
| + if (!old) { return stretched }
|
| + if (!stretched) { return old }
|
| +
|
| + for (var i = 0; i < old.length; ++i) {
|
| + var oldCur = old[i], stretchCur = stretched[i]
|
| + if (oldCur && stretchCur) {
|
| + spans: for (var j = 0; j < stretchCur.length; ++j) {
|
| + var span = stretchCur[j]
|
| + for (var k = 0; k < oldCur.length; ++k)
|
| + { if (oldCur[k].marker == span.marker) { continue spans } }
|
| + oldCur.push(span)
|
| + }
|
| + } else if (stretchCur) {
|
| + old[i] = stretchCur
|
| + }
|
| + }
|
| + return old
|
| +}
|
| +
|
| +// Used both to provide a JSON-safe object in .getHistory, and, when
|
| +// detaching a document, to split the history in two
|
| +function copyHistoryArray(events, newGroup, instantiateSel) {
|
| + var copy = []
|
| + for (var i = 0; i < events.length; ++i) {
|
| + var event = events[i]
|
| + if (event.ranges) {
|
| + copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event)
|
| + continue
|
| + }
|
| + var changes = event.changes, newChanges = []
|
| + copy.push({changes: newChanges})
|
| + for (var j = 0; j < changes.length; ++j) {
|
| + var change = changes[j], m = (void 0)
|
| + newChanges.push({from: change.from, to: change.to, text: change.text})
|
| + if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) {
|
| + if (indexOf(newGroup, Number(m[1])) > -1) {
|
| + lst(newChanges)[prop] = change[prop]
|
| + delete change[prop]
|
| }
|
| - if (updateNumber) {
|
| - removeChildren(lineView.lineNumber);
|
| - lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
|
| + } } }
|
| + }
|
| + }
|
| + return copy
|
| +}
|
| +
|
| +// The 'scroll' parameter given to many of these indicated whether
|
| +// the new cursor position should be scrolled into view after
|
| +// modifying the selection.
|
| +
|
| +// If shift is held or the extend flag is set, extends a range to
|
| +// include a given position (and optionally a second position).
|
| +// Otherwise, simply returns the range between the given positions.
|
| +// Used for cursor motion and such.
|
| +function extendRange(doc, range, head, other) {
|
| + if (doc.cm && doc.cm.display.shift || doc.extend) {
|
| + var anchor = range.anchor
|
| + if (other) {
|
| + var posBefore = cmp(head, anchor) < 0
|
| + if (posBefore != (cmp(other, anchor) < 0)) {
|
| + anchor = head
|
| + head = other
|
| + } else if (posBefore != (cmp(head, other) < 0)) {
|
| + head = other
|
| + }
|
| + }
|
| + return new Range(anchor, head)
|
| + } else {
|
| + return new Range(other || head, head)
|
| + }
|
| +}
|
| +
|
| +// Extend the primary selection range, discard the rest.
|
| +function extendSelection(doc, head, other, options) {
|
| + setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options)
|
| +}
|
| +
|
| +// Extend all selections (pos is an array of selections with length
|
| +// equal the number of selections)
|
| +function extendSelections(doc, heads, options) {
|
| + var out = []
|
| + for (var i = 0; i < doc.sel.ranges.length; i++)
|
| + { out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null) }
|
| + var newSel = normalizeSelection(out, doc.sel.primIndex)
|
| + setSelection(doc, newSel, options)
|
| +}
|
| +
|
| +// Updates a single range in the selection.
|
| +function replaceOneSelection(doc, i, range, options) {
|
| + var ranges = doc.sel.ranges.slice(0)
|
| + ranges[i] = range
|
| + setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options)
|
| +}
|
| +
|
| +// Reset the selection to a single range.
|
| +function setSimpleSelection(doc, anchor, head, options) {
|
| + setSelection(doc, simpleSelection(anchor, head), options)
|
| +}
|
| +
|
| +// Give beforeSelectionChange handlers a change to influence a
|
| +// selection update.
|
| +function filterSelectionChange(doc, sel, options) {
|
| + var obj = {
|
| + ranges: sel.ranges,
|
| + update: function(ranges) {
|
| + var this$1 = this;
|
| +
|
| + this.ranges = []
|
| + for (var i = 0; i < ranges.length; i++)
|
| + { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
|
| + clipPos(doc, ranges[i].head)) }
|
| + },
|
| + origin: options && options.origin
|
| + }
|
| + signal(doc, "beforeSelectionChange", doc, obj)
|
| + if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj) }
|
| + if (obj.ranges != sel.ranges) { return normalizeSelection(obj.ranges, obj.ranges.length - 1) }
|
| + else { return sel }
|
| +}
|
| +
|
| +function setSelectionReplaceHistory(doc, sel, options) {
|
| + var done = doc.history.done, last = lst(done)
|
| + if (last && last.ranges) {
|
| + done[done.length - 1] = sel
|
| + setSelectionNoUndo(doc, sel, options)
|
| + } else {
|
| + setSelection(doc, sel, options)
|
| + }
|
| +}
|
| +
|
| +// Set a new selection.
|
| +function setSelection(doc, sel, options) {
|
| + setSelectionNoUndo(doc, sel, options)
|
| + addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options)
|
| +}
|
| +
|
| +function setSelectionNoUndo(doc, sel, options) {
|
| + if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
|
| + { sel = filterSelectionChange(doc, sel, options) }
|
| +
|
| + var bias = options && options.bias ||
|
| + (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1)
|
| + setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true))
|
| +
|
| + if (!(options && options.scroll === false) && doc.cm)
|
| + { ensureCursorVisible(doc.cm) }
|
| +}
|
| +
|
| +function setSelectionInner(doc, sel) {
|
| + if (sel.equals(doc.sel)) { return }
|
| +
|
| + doc.sel = sel
|
| +
|
| + if (doc.cm) {
|
| + doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true
|
| + signalCursorActivity(doc.cm)
|
| + }
|
| + signalLater(doc, "cursorActivity", doc)
|
| +}
|
| +
|
| +// Verify that the selection does not partially select any atomic
|
| +// marked ranges.
|
| +function reCheckSelection(doc) {
|
| + setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll)
|
| +}
|
| +
|
| +// Return a selection that does not partially select any atomic
|
| +// ranges.
|
| +function skipAtomicInSelection(doc, sel, bias, mayClear) {
|
| + var out
|
| + for (var i = 0; i < sel.ranges.length; i++) {
|
| + var range = sel.ranges[i]
|
| + var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]
|
| + var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear)
|
| + var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear)
|
| + if (out || newAnchor != range.anchor || newHead != range.head) {
|
| + if (!out) { out = sel.ranges.slice(0, i) }
|
| + out[i] = new Range(newAnchor, newHead)
|
| + }
|
| + }
|
| + return out ? normalizeSelection(out, sel.primIndex) : sel
|
| +}
|
| +
|
| +function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
|
| + var line = getLine(doc, pos.line)
|
| + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
|
| + var sp = line.markedSpans[i], m = sp.marker
|
| + if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
|
| + (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
|
| + if (mayClear) {
|
| + signal(m, "beforeCursorEnter")
|
| + if (m.explicitlyCleared) {
|
| + if (!line.markedSpans) { break }
|
| + else {--i; continue}
|
| }
|
| - cur = lineView.node.nextSibling;
|
| }
|
| - lineN += lineView.size;
|
| - }
|
| - while (cur) cur = rm(cur);
|
| - }
|
| -
|
| - // When an aspect of a line changes, a string is added to
|
| - // lineView.changes. This updates the relevant part of the line's
|
| - // DOM structure.
|
| - function updateLineForChanges(cm, lineView, lineN, dims) {
|
| - for (var j = 0; j < lineView.changes.length; j++) {
|
| - var type = lineView.changes[j];
|
| - if (type == "text") updateLineText(cm, lineView);
|
| - else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims);
|
| - else if (type == "class") updateLineClasses(lineView);
|
| - else if (type == "widget") updateLineWidgets(cm, lineView, dims);
|
| - }
|
| - lineView.changes = null;
|
| - }
|
| -
|
| - // Lines with gutter elements, widgets or a background class need to
|
| - // be wrapped, and have the extra elements added to the wrapper div
|
| - function ensureLineWrapped(lineView) {
|
| - if (lineView.node == lineView.text) {
|
| - lineView.node = elt("div", null, null, "position: relative");
|
| - if (lineView.text.parentNode)
|
| - lineView.text.parentNode.replaceChild(lineView.node, lineView.text);
|
| - lineView.node.appendChild(lineView.text);
|
| - if (ie && ie_version < 8) lineView.node.style.zIndex = 2;
|
| - }
|
| - return lineView.node;
|
| - }
|
| -
|
| - function updateLineBackground(lineView) {
|
| - var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
|
| - if (cls) cls += " CodeMirror-linebackground";
|
| - if (lineView.background) {
|
| - if (cls) lineView.background.className = cls;
|
| - else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
|
| - } else if (cls) {
|
| - var wrap = ensureLineWrapped(lineView);
|
| - lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
|
| - }
|
| - }
|
| -
|
| - // Wrapper around buildLineContent which will reuse the structure
|
| - // in display.externalMeasured when possible.
|
| - function getLineContent(cm, lineView) {
|
| - var ext = cm.display.externalMeasured;
|
| - if (ext && ext.line == lineView.line) {
|
| - cm.display.externalMeasured = null;
|
| - lineView.measure = ext.measure;
|
| - return ext.built;
|
| - }
|
| - return buildLineContent(cm, lineView);
|
| - }
|
| -
|
| - // Redraw the line's text. Interacts with the background and text
|
| - // classes because the mode may output tokens that influence these
|
| - // classes.
|
| - function updateLineText(cm, lineView) {
|
| - var cls = lineView.text.className;
|
| - var built = getLineContent(cm, lineView);
|
| - if (lineView.text == lineView.node) lineView.node = built.pre;
|
| - lineView.text.parentNode.replaceChild(built.pre, lineView.text);
|
| - lineView.text = built.pre;
|
| - if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
|
| - lineView.bgClass = built.bgClass;
|
| - lineView.textClass = built.textClass;
|
| - updateLineClasses(lineView);
|
| - } else if (cls) {
|
| - lineView.text.className = cls;
|
| - }
|
| - }
|
| -
|
| - function updateLineClasses(lineView) {
|
| - updateLineBackground(lineView);
|
| - if (lineView.line.wrapClass)
|
| - ensureLineWrapped(lineView).className = lineView.line.wrapClass;
|
| - else if (lineView.node != lineView.text)
|
| - lineView.node.className = "";
|
| - var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
|
| - lineView.text.className = textClass || "";
|
| - }
|
| -
|
| - function updateLineGutter(cm, lineView, lineN, dims) {
|
| - if (lineView.gutter) {
|
| - lineView.node.removeChild(lineView.gutter);
|
| - lineView.gutter = null;
|
| - }
|
| - if (lineView.gutterBackground) {
|
| - lineView.node.removeChild(lineView.gutterBackground);
|
| - lineView.gutterBackground = null;
|
| - }
|
| - if (lineView.line.gutterClass) {
|
| - var wrap = ensureLineWrapped(lineView);
|
| - lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
|
| - "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) +
|
| - "px; width: " + dims.gutterTotalWidth + "px");
|
| - wrap.insertBefore(lineView.gutterBackground, lineView.text);
|
| - }
|
| - var markers = lineView.line.gutterMarkers;
|
| - if (cm.options.lineNumbers || markers) {
|
| - var wrap = ensureLineWrapped(lineView);
|
| - var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " +
|
| - (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px");
|
| - cm.display.input.setUneditable(gutterWrap);
|
| - wrap.insertBefore(gutterWrap, lineView.text);
|
| - if (lineView.line.gutterClass)
|
| - gutterWrap.className += " " + lineView.line.gutterClass;
|
| - if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
|
| - lineView.lineNumber = gutterWrap.appendChild(
|
| - elt("div", lineNumberFor(cm.options, lineN),
|
| - "CodeMirror-linenumber CodeMirror-gutter-elt",
|
| - "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: "
|
| - + cm.display.lineNumInnerWidth + "px"));
|
| - if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) {
|
| - var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
|
| - if (found)
|
| - gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " +
|
| - dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px"));
|
| - }
|
| - }
|
| - }
|
| -
|
| - function updateLineWidgets(cm, lineView, dims) {
|
| - if (lineView.alignable) lineView.alignable = null;
|
| - for (var node = lineView.node.firstChild, next; node; node = next) {
|
| - var next = node.nextSibling;
|
| - if (node.className == "CodeMirror-linewidget")
|
| - lineView.node.removeChild(node);
|
| - }
|
| - insertLineWidgets(cm, lineView, dims);
|
| - }
|
| -
|
| - // Build a line's DOM representation from scratch
|
| - function buildLineElement(cm, lineView, lineN, dims) {
|
| - var built = getLineContent(cm, lineView);
|
| - lineView.text = lineView.node = built.pre;
|
| - if (built.bgClass) lineView.bgClass = built.bgClass;
|
| - if (built.textClass) lineView.textClass = built.textClass;
|
| -
|
| - updateLineClasses(lineView);
|
| - updateLineGutter(cm, lineView, lineN, dims);
|
| - insertLineWidgets(cm, lineView, dims);
|
| - return lineView.node;
|
| - }
|
| -
|
| - // A lineView may contain multiple logical lines (when merged by
|
| - // collapsed spans). The widgets for all of them need to be drawn.
|
| - function insertLineWidgets(cm, lineView, dims) {
|
| - insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
|
| - if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
|
| - insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false);
|
| - }
|
| -
|
| - function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
|
| - if (!line.widgets) return;
|
| - var wrap = ensureLineWrapped(lineView);
|
| - for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
|
| - var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
|
| - if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true");
|
| - positionLineWidget(widget, node, lineView, dims);
|
| - cm.display.input.setUneditable(node);
|
| - if (allowAbove && widget.above)
|
| - wrap.insertBefore(node, lineView.gutter || lineView.text);
|
| - else
|
| - wrap.appendChild(node);
|
| - signalLater(widget, "redraw");
|
| - }
|
| - }
|
| + if (!m.atomic) { continue }
|
| +
|
| + if (oldPos) {
|
| + var near = m.find(dir < 0 ? 1 : -1), diff = (void 0)
|
| + if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft)
|
| + { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null) }
|
| + if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
|
| + { return skipAtomicInner(doc, near, pos, dir, mayClear) }
|
| + }
|
| +
|
| + var far = m.find(dir < 0 ? -1 : 1)
|
| + if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight)
|
| + { far = movePos(doc, far, dir, far.line == pos.line ? line : null) }
|
| + return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null
|
| + }
|
| + } }
|
| + return pos
|
| +}
|
| +
|
| +// Ensure a given position is not inside an atomic range.
|
| +function skipAtomic(doc, pos, oldPos, bias, mayClear) {
|
| + var dir = bias || 1
|
| + var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
|
| + (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
|
| + skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
|
| + (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true))
|
| + if (!found) {
|
| + doc.cantEdit = true
|
| + return Pos(doc.first, 0)
|
| + }
|
| + return found
|
| +}
|
| +
|
| +function movePos(doc, pos, dir, line) {
|
| + if (dir < 0 && pos.ch == 0) {
|
| + if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }
|
| + else { return null }
|
| + } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
|
| + if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }
|
| + else { return null }
|
| + } else {
|
| + return new Pos(pos.line, pos.ch + dir)
|
| + }
|
| +}
|
| +
|
| +function selectAll(cm) {
|
| + cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll)
|
| +}
|
| +
|
| +// UPDATING
|
| +
|
| +// Allow "beforeChange" event handlers to influence a change
|
| +function filterChange(doc, change, update) {
|
| + var obj = {
|
| + canceled: false,
|
| + from: change.from,
|
| + to: change.to,
|
| + text: change.text,
|
| + origin: change.origin,
|
| + cancel: function () { return obj.canceled = true; }
|
| + }
|
| + if (update) { obj.update = function (from, to, text, origin) {
|
| + if (from) { obj.from = clipPos(doc, from) }
|
| + if (to) { obj.to = clipPos(doc, to) }
|
| + if (text) { obj.text = text }
|
| + if (origin !== undefined) { obj.origin = origin }
|
| + } }
|
| + signal(doc, "beforeChange", doc, obj)
|
| + if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj) }
|
| +
|
| + if (obj.canceled) { return null }
|
| + return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}
|
| +}
|
| +
|
| +// Apply a change to a document, and add it to the document's
|
| +// history, and propagating it to all linked documents.
|
| +function makeChange(doc, change, ignoreReadOnly) {
|
| + if (doc.cm) {
|
| + if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }
|
| + if (doc.cm.state.suppressEdits) { return }
|
| + }
|
| +
|
| + if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
|
| + change = filterChange(doc, change, true)
|
| + if (!change) { return }
|
| + }
|
| +
|
| + // Possibly split or suppress the update based on the presence
|
| + // of read-only spans in its range.
|
| + var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to)
|
| + if (split) {
|
| + for (var i = split.length - 1; i >= 0; --i)
|
| + { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text}) }
|
| + } else {
|
| + makeChangeInner(doc, change)
|
| + }
|
| +}
|
| +
|
| +function makeChangeInner(doc, change) {
|
| + if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }
|
| + var selAfter = computeSelAfterChange(doc, change)
|
| + addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN)
|
| +
|
| + makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change))
|
| + var rebased = []
|
| +
|
| + linkedDocs(doc, function (doc, sharedHist) {
|
| + if (!sharedHist && indexOf(rebased, doc.history) == -1) {
|
| + rebaseHist(doc.history, change)
|
| + rebased.push(doc.history)
|
| + }
|
| + makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change))
|
| + })
|
| +}
|
| +
|
| +// Revert a change stored in a document's history.
|
| +function makeChangeFromHistory(doc, type, allowSelectionOnly) {
|
| + if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) { return }
|
| +
|
| + var hist = doc.history, event, selAfter = doc.sel
|
| + var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done
|
| +
|
| + // Verify that there is a useable event (so that ctrl-z won't
|
| + // needlessly clear selection events)
|
| + var i = 0
|
| + for (; i < source.length; i++) {
|
| + event = source[i]
|
| + if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
|
| + { break }
|
| + }
|
| + if (i == source.length) { return }
|
| + hist.lastOrigin = hist.lastSelOrigin = null
|
| +
|
| + for (;;) {
|
| + event = source.pop()
|
| + if (event.ranges) {
|
| + pushSelectionToHistory(event, dest)
|
| + if (allowSelectionOnly && !event.equals(doc.sel)) {
|
| + setSelection(doc, event, {clearRedo: false})
|
| + return
|
| + }
|
| + selAfter = event
|
| + }
|
| + else { break }
|
| + }
|
| +
|
| + // Build up a reverse change object to add to the opposite history
|
| + // stack (redo when undoing, and vice versa).
|
| + var antiChanges = []
|
| + pushSelectionToHistory(selAfter, dest)
|
| + dest.push({changes: antiChanges, generation: hist.generation})
|
| + hist.generation = event.generation || ++hist.maxGeneration
|
| +
|
| + var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")
|
| +
|
| + var loop = function ( i ) {
|
| + var change = event.changes[i]
|
| + change.origin = type
|
| + if (filter && !filterChange(doc, change, false)) {
|
| + source.length = 0
|
| + return {}
|
| + }
|
| +
|
| + antiChanges.push(historyChangeFromChange(doc, change))
|
| +
|
| + var after = i ? computeSelAfterChange(doc, change) : lst(source)
|
| + makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change))
|
| + if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}) }
|
| + var rebased = []
|
|
|
| - function positionLineWidget(widget, node, lineView, dims) {
|
| - if (widget.noHScroll) {
|
| - (lineView.alignable || (lineView.alignable = [])).push(node);
|
| - var width = dims.wrapperWidth;
|
| - node.style.left = dims.fixedPos + "px";
|
| - if (!widget.coverGutter) {
|
| - width -= dims.gutterTotalWidth;
|
| - node.style.paddingLeft = dims.gutterTotalWidth + "px";
|
| + // Propagate to the linked documents
|
| + linkedDocs(doc, function (doc, sharedHist) {
|
| + if (!sharedHist && indexOf(rebased, doc.history) == -1) {
|
| + rebaseHist(doc.history, change)
|
| + rebased.push(doc.history)
|
| }
|
| - node.style.width = width + "px";
|
| - }
|
| - if (widget.coverGutter) {
|
| - node.style.zIndex = 5;
|
| - node.style.position = "relative";
|
| - if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px";
|
| - }
|
| - }
|
| -
|
| - // POSITION OBJECT
|
| -
|
| - // A Pos instance represents a position within the text.
|
| - var Pos = CodeMirror.Pos = function(line, ch) {
|
| - if (!(this instanceof Pos)) return new Pos(line, ch);
|
| - this.line = line; this.ch = ch;
|
| + makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change))
|
| + })
|
| };
|
|
|
| - // Compare two positions, return 0 if they are the same, a negative
|
| - // number when a is less, and a positive number otherwise.
|
| - var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; };
|
| -
|
| - function copyPos(x) {return Pos(x.line, x.ch);}
|
| - function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; }
|
| - function minPos(a, b) { return cmp(a, b) < 0 ? a : b; }
|
| -
|
| - // INPUT HANDLING
|
| -
|
| - function ensureFocus(cm) {
|
| - if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }
|
| - }
|
| -
|
| - // This will be set to a {lineWise: bool, text: [string]} object, so
|
| - // that, when pasting, we know what kind of selections the copied
|
| - // text was made out of.
|
| - var lastCopied = null;
|
| -
|
| - function applyTextInput(cm, inserted, deleted, sel, origin) {
|
| - var doc = cm.doc;
|
| - cm.display.shift = false;
|
| - if (!sel) sel = doc.sel;
|
| -
|
| - var paste = cm.state.pasteIncoming || origin == "paste";
|
| - var textLines = doc.splitLines(inserted), multiPaste = null
|
| - // When pasing N lines into N selections, insert one line per selection
|
| - if (paste && sel.ranges.length > 1) {
|
| - if (lastCopied && lastCopied.text.join("\n") == inserted) {
|
| - if (sel.ranges.length % lastCopied.text.length == 0) {
|
| - multiPaste = [];
|
| - for (var i = 0; i < lastCopied.text.length; i++)
|
| - multiPaste.push(doc.splitLines(lastCopied.text[i]));
|
| + for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {
|
| + var returned = loop( i$1 );
|
| +
|
| + if ( returned ) return returned.v;
|
| + }
|
| +}
|
| +
|
| +// Sub-views need their line numbers shifted when text is added
|
| +// above or below them in the parent document.
|
| +function shiftDoc(doc, distance) {
|
| + if (distance == 0) { return }
|
| + doc.first += distance
|
| + doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(
|
| + Pos(range.anchor.line + distance, range.anchor.ch),
|
| + Pos(range.head.line + distance, range.head.ch)
|
| + ); }), doc.sel.primIndex)
|
| + if (doc.cm) {
|
| + regChange(doc.cm, doc.first, doc.first - distance, distance)
|
| + for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
|
| + { regLineChange(doc.cm, l, "gutter") }
|
| + }
|
| +}
|
| +
|
| +// More lower-level change function, handling only a single document
|
| +// (not linked ones).
|
| +function makeChangeSingleDoc(doc, change, selAfter, spans) {
|
| + if (doc.cm && !doc.cm.curOp)
|
| + { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }
|
| +
|
| + if (change.to.line < doc.first) {
|
| + shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line))
|
| + return
|
| + }
|
| + if (change.from.line > doc.lastLine()) { return }
|
| +
|
| + // Clip the change to the size of this doc
|
| + if (change.from.line < doc.first) {
|
| + var shift = change.text.length - 1 - (doc.first - change.from.line)
|
| + shiftDoc(doc, shift)
|
| + change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
|
| + text: [lst(change.text)], origin: change.origin}
|
| + }
|
| + var last = doc.lastLine()
|
| + if (change.to.line > last) {
|
| + change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
|
| + text: [change.text[0]], origin: change.origin}
|
| + }
|
| +
|
| + change.removed = getBetween(doc, change.from, change.to)
|
| +
|
| + if (!selAfter) { selAfter = computeSelAfterChange(doc, change) }
|
| + if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans) }
|
| + else { updateDoc(doc, change, spans) }
|
| + setSelectionNoUndo(doc, selAfter, sel_dontScroll)
|
| +}
|
| +
|
| +// Handle the interaction of a change to a document with the editor
|
| +// that this document is part of.
|
| +function makeChangeSingleDocInEditor(cm, change, spans) {
|
| + var doc = cm.doc, display = cm.display, from = change.from, to = change.to
|
| +
|
| + var recomputeMaxLength = false, checkWidthStart = from.line
|
| + if (!cm.options.lineWrapping) {
|
| + checkWidthStart = lineNo(visualLine(getLine(doc, from.line)))
|
| + doc.iter(checkWidthStart, to.line + 1, function (line) {
|
| + if (line == display.maxLine) {
|
| + recomputeMaxLength = true
|
| + return true
|
| + }
|
| + })
|
| + }
|
| +
|
| + if (doc.sel.contains(change.from, change.to) > -1)
|
| + { signalCursorActivity(cm) }
|
| +
|
| + updateDoc(doc, change, spans, estimateHeight(cm))
|
| +
|
| + if (!cm.options.lineWrapping) {
|
| + doc.iter(checkWidthStart, from.line + change.text.length, function (line) {
|
| + var len = lineLength(line)
|
| + if (len > display.maxLineLength) {
|
| + display.maxLine = line
|
| + display.maxLineLength = len
|
| + display.maxLineChanged = true
|
| + recomputeMaxLength = false
|
| + }
|
| + })
|
| + if (recomputeMaxLength) { cm.curOp.updateMaxLine = true }
|
| + }
|
| +
|
| + // Adjust frontier, schedule worker
|
| + doc.frontier = Math.min(doc.frontier, from.line)
|
| + startWorker(cm, 400)
|
| +
|
| + var lendiff = change.text.length - (to.line - from.line) - 1
|
| + // Remember that these lines changed, for updating the display
|
| + if (change.full)
|
| + { regChange(cm) }
|
| + else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
|
| + { regLineChange(cm, from.line, "text") }
|
| + else
|
| + { regChange(cm, from.line, to.line + 1, lendiff) }
|
| +
|
| + var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change")
|
| + if (changeHandler || changesHandler) {
|
| + var obj = {
|
| + from: from, to: to,
|
| + text: change.text,
|
| + removed: change.removed,
|
| + origin: change.origin
|
| + }
|
| + if (changeHandler) { signalLater(cm, "change", cm, obj) }
|
| + if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj) }
|
| + }
|
| + cm.display.selForContextMenu = null
|
| +}
|
| +
|
| +function replaceRange(doc, code, from, to, origin) {
|
| + if (!to) { to = from }
|
| + if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp }
|
| + if (typeof code == "string") { code = doc.splitLines(code) }
|
| + makeChange(doc, {from: from, to: to, text: code, origin: origin})
|
| +}
|
| +
|
| +// Rebasing/resetting history to deal with externally-sourced changes
|
| +
|
| +function rebaseHistSelSingle(pos, from, to, diff) {
|
| + if (to < pos.line) {
|
| + pos.line += diff
|
| + } else if (from < pos.line) {
|
| + pos.line = from
|
| + pos.ch = 0
|
| + }
|
| +}
|
| +
|
| +// Tries to rebase an array of history events given a change in the
|
| +// document. If the change touches the same lines as the event, the
|
| +// event, and everything 'behind' it, is discarded. If the change is
|
| +// before the event, the event's positions are updated. Uses a
|
| +// copy-on-write scheme for the positions, to avoid having to
|
| +// reallocate them all on every rebase, but also avoid problems with
|
| +// shared position objects being unsafely updated.
|
| +function rebaseHistArray(array, from, to, diff) {
|
| + for (var i = 0; i < array.length; ++i) {
|
| + var sub = array[i], ok = true
|
| + if (sub.ranges) {
|
| + if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true }
|
| + for (var j = 0; j < sub.ranges.length; j++) {
|
| + rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff)
|
| + rebaseHistSelSingle(sub.ranges[j].head, from, to, diff)
|
| + }
|
| + continue
|
| + }
|
| + for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {
|
| + var cur = sub.changes[j$1]
|
| + if (to < cur.from.line) {
|
| + cur.from = Pos(cur.from.line + diff, cur.from.ch)
|
| + cur.to = Pos(cur.to.line + diff, cur.to.ch)
|
| + } else if (from <= cur.to.line) {
|
| + ok = false
|
| + break
|
| + }
|
| + }
|
| + if (!ok) {
|
| + array.splice(0, i + 1)
|
| + i = 0
|
| + }
|
| + }
|
| +}
|
| +
|
| +function rebaseHist(hist, change) {
|
| + var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1
|
| + rebaseHistArray(hist.done, from, to, diff)
|
| + rebaseHistArray(hist.undone, from, to, diff)
|
| +}
|
| +
|
| +// Utility for applying a change to a line by handle or number,
|
| +// returning the number and optionally registering the line as
|
| +// changed.
|
| +function changeLine(doc, handle, changeType, op) {
|
| + var no = handle, line = handle
|
| + if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)) }
|
| + else { no = lineNo(handle) }
|
| + if (no == null) { return null }
|
| + if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType) }
|
| + return line
|
| +}
|
| +
|
| +// The document is represented as a BTree consisting of leaves, with
|
| +// chunk of lines in them, and branches, with up to ten leaves or
|
| +// other branch nodes below them. The top node is always a branch
|
| +// node, and is the document object itself (meaning it has
|
| +// additional methods and properties).
|
| +//
|
| +// All nodes have parent links. The tree is used both to go from
|
| +// line numbers to line objects, and to go from objects to numbers.
|
| +// It also indexes by height, and is used to convert between height
|
| +// and line object, and to find the total height of the document.
|
| +//
|
| +// See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
|
| +
|
| +var LeafChunk = function LeafChunk(lines) {
|
| + var this$1 = this;
|
| +
|
| + this.lines = lines
|
| + this.parent = null
|
| + var height = 0
|
| + for (var i = 0; i < lines.length; ++i) {
|
| + lines[i].parent = this$1
|
| + height += lines[i].height
|
| + }
|
| + this.height = height
|
| +};
|
| +
|
| +LeafChunk.prototype.chunkSize = function chunkSize () { return this.lines.length };
|
| +
|
| +// Remove the n lines at offset 'at'.
|
| +LeafChunk.prototype.removeInner = function removeInner (at, n) {
|
| + var this$1 = this;
|
| +
|
| + for (var i = at, e = at + n; i < e; ++i) {
|
| + var line = this$1.lines[i]
|
| + this$1.height -= line.height
|
| + cleanUpLine(line)
|
| + signalLater(line, "delete")
|
| + }
|
| + this.lines.splice(at, n)
|
| +};
|
| +
|
| +// Helper used to collapse a small branch into a single leaf.
|
| +LeafChunk.prototype.collapse = function collapse (lines) {
|
| + lines.push.apply(lines, this.lines)
|
| +};
|
| +
|
| +// Insert the given array of lines at offset 'at', count them as
|
| +// having the given height.
|
| +LeafChunk.prototype.insertInner = function insertInner (at, lines, height) {
|
| + var this$1 = this;
|
| +
|
| + this.height += height
|
| + this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at))
|
| + for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1 }
|
| +};
|
| +
|
| +// Used to iterate over a part of the tree.
|
| +LeafChunk.prototype.iterN = function iterN (at, n, op) {
|
| + var this$1 = this;
|
| +
|
| + for (var e = at + n; at < e; ++at)
|
| + { if (op(this$1.lines[at])) { return true } }
|
| +};
|
| +
|
| +var BranchChunk = function BranchChunk(children) {
|
| + var this$1 = this;
|
| +
|
| + this.children = children
|
| + var size = 0, height = 0
|
| + for (var i = 0; i < children.length; ++i) {
|
| + var ch = children[i]
|
| + size += ch.chunkSize(); height += ch.height
|
| + ch.parent = this$1
|
| + }
|
| + this.size = size
|
| + this.height = height
|
| + this.parent = null
|
| +};
|
| +
|
| +BranchChunk.prototype.chunkSize = function chunkSize () { return this.size };
|
| +
|
| +BranchChunk.prototype.removeInner = function removeInner (at, n) {
|
| + var this$1 = this;
|
| +
|
| + this.size -= n
|
| + for (var i = 0; i < this.children.length; ++i) {
|
| + var child = this$1.children[i], sz = child.chunkSize()
|
| + if (at < sz) {
|
| + var rm = Math.min(n, sz - at), oldHeight = child.height
|
| + child.removeInner(at, rm)
|
| + this$1.height -= oldHeight - child.height
|
| + if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null }
|
| + if ((n -= rm) == 0) { break }
|
| + at = 0
|
| + } else { at -= sz }
|
| + }
|
| + // If the result is smaller than 25 lines, ensure that it is a
|
| + // single leaf node.
|
| + if (this.size - n < 25 &&
|
| + (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
|
| + var lines = []
|
| + this.collapse(lines)
|
| + this.children = [new LeafChunk(lines)]
|
| + this.children[0].parent = this
|
| + }
|
| +};
|
| +
|
| +BranchChunk.prototype.collapse = function collapse (lines) {
|
| + var this$1 = this;
|
| +
|
| + for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines) }
|
| +};
|
| +
|
| +BranchChunk.prototype.insertInner = function insertInner (at, lines, height) {
|
| + var this$1 = this;
|
| +
|
| + this.size += lines.length
|
| + this.height += height
|
| + for (var i = 0; i < this.children.length; ++i) {
|
| + var child = this$1.children[i], sz = child.chunkSize()
|
| + if (at <= sz) {
|
| + child.insertInner(at, lines, height)
|
| + if (child.lines && child.lines.length > 50) {
|
| + // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.
|
| + // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.
|
| + var remaining = child.lines.length % 25 + 25
|
| + for (var pos = remaining; pos < child.lines.length;) {
|
| + var leaf = new LeafChunk(child.lines.slice(pos, pos += 25))
|
| + child.height -= leaf.height
|
| + this$1.children.splice(++i, 0, leaf)
|
| + leaf.parent = this$1
|
| }
|
| - } else if (textLines.length == sel.ranges.length) {
|
| - multiPaste = map(textLines, function(l) { return [l]; });
|
| + child.lines = child.lines.slice(0, remaining)
|
| + this$1.maybeSpill()
|
| + }
|
| + break
|
| + }
|
| + at -= sz
|
| + }
|
| +};
|
| +
|
| +// When a node has grown, check whether it should be split.
|
| +BranchChunk.prototype.maybeSpill = function maybeSpill () {
|
| + if (this.children.length <= 10) { return }
|
| + var me = this
|
| + do {
|
| + var spilled = me.children.splice(me.children.length - 5, 5)
|
| + var sibling = new BranchChunk(spilled)
|
| + if (!me.parent) { // Become the parent node
|
| + var copy = new BranchChunk(me.children)
|
| + copy.parent = me
|
| + me.children = [copy, sibling]
|
| + me = copy
|
| + } else {
|
| + me.size -= sibling.size
|
| + me.height -= sibling.height
|
| + var myIndex = indexOf(me.parent.children, me)
|
| + me.parent.children.splice(myIndex + 1, 0, sibling)
|
| + }
|
| + sibling.parent = me.parent
|
| + } while (me.children.length > 10)
|
| + me.parent.maybeSpill()
|
| +};
|
| +
|
| +BranchChunk.prototype.iterN = function iterN (at, n, op) {
|
| + var this$1 = this;
|
| +
|
| + for (var i = 0; i < this.children.length; ++i) {
|
| + var child = this$1.children[i], sz = child.chunkSize()
|
| + if (at < sz) {
|
| + var used = Math.min(n, sz - at)
|
| + if (child.iterN(at, used, op)) { return true }
|
| + if ((n -= used) == 0) { break }
|
| + at = 0
|
| + } else { at -= sz }
|
| + }
|
| +};
|
| +
|
| +// Line widgets are block elements displayed above or below a line.
|
| +
|
| +var LineWidget = function LineWidget(doc, node, options) {
|
| + var this$1 = this;
|
| +
|
| + if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))
|
| + { this$1[opt] = options[opt] } } }
|
| + this.doc = doc
|
| + this.node = node
|
| +};
|
| +
|
| +LineWidget.prototype.clear = function clear () {
|
| + var this$1 = this;
|
| +
|
| + var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line)
|
| + if (no == null || !ws) { return }
|
| + for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1) } }
|
| + if (!ws.length) { line.widgets = null }
|
| + var height = widgetHeight(this)
|
| + updateLineHeight(line, Math.max(0, line.height - height))
|
| + if (cm) {
|
| + runInOp(cm, function () {
|
| + adjustScrollWhenAboveVisible(cm, line, -height)
|
| + regLineChange(cm, no, "widget")
|
| + })
|
| + signalLater(cm, "lineWidgetCleared", cm, this, no)
|
| + }
|
| +};
|
| +
|
| +LineWidget.prototype.changed = function changed () {
|
| + var this$1 = this;
|
| +
|
| + var oldH = this.height, cm = this.doc.cm, line = this.line
|
| + this.height = null
|
| + var diff = widgetHeight(this) - oldH
|
| + if (!diff) { return }
|
| + updateLineHeight(line, line.height + diff)
|
| + if (cm) {
|
| + runInOp(cm, function () {
|
| + cm.curOp.forceUpdate = true
|
| + adjustScrollWhenAboveVisible(cm, line, diff)
|
| + signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line))
|
| + })
|
| + }
|
| +};
|
| +eventMixin(LineWidget)
|
| +
|
| +function adjustScrollWhenAboveVisible(cm, line, diff) {
|
| + if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
|
| + { addToScrollPos(cm, null, diff) }
|
| +}
|
| +
|
| +function addLineWidget(doc, handle, node, options) {
|
| + var widget = new LineWidget(doc, node, options)
|
| + var cm = doc.cm
|
| + if (cm && widget.noHScroll) { cm.display.alignWidgets = true }
|
| + changeLine(doc, handle, "widget", function (line) {
|
| + var widgets = line.widgets || (line.widgets = [])
|
| + if (widget.insertAt == null) { widgets.push(widget) }
|
| + else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget) }
|
| + widget.line = line
|
| + if (cm && !lineIsHidden(doc, line)) {
|
| + var aboveVisible = heightAtLine(line) < doc.scrollTop
|
| + updateLineHeight(line, line.height + widgetHeight(widget))
|
| + if (aboveVisible) { addToScrollPos(cm, null, widget.height) }
|
| + cm.curOp.forceUpdate = true
|
| + }
|
| + return true
|
| + })
|
| + signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle))
|
| + return widget
|
| +}
|
| +
|
| +// TEXTMARKERS
|
| +
|
| +// Created with markText and setBookmark methods. A TextMarker is a
|
| +// handle that can be used to clear or find a marked position in the
|
| +// document. Line objects hold arrays (markedSpans) containing
|
| +// {from, to, marker} object pointing to such marker objects, and
|
| +// indicating that such a marker is present on that line. Multiple
|
| +// lines may point to the same marker when it spans across lines.
|
| +// The spans will have null for their from/to properties when the
|
| +// marker continues beyond the start/end of the line. Markers have
|
| +// links back to the lines they currently touch.
|
| +
|
| +// Collapsed markers have unique ids, in order to be able to order
|
| +// them, which is needed for uniquely determining an outer marker
|
| +// when they overlap (they may nest, but not partially overlap).
|
| +var nextMarkerId = 0
|
| +
|
| +var TextMarker = function TextMarker(doc, type) {
|
| + this.lines = []
|
| + this.type = type
|
| + this.doc = doc
|
| + this.id = ++nextMarkerId
|
| +};
|
| +
|
| +// Clear the marker.
|
| +TextMarker.prototype.clear = function clear () {
|
| + var this$1 = this;
|
| +
|
| + if (this.explicitlyCleared) { return }
|
| + var cm = this.doc.cm, withOp = cm && !cm.curOp
|
| + if (withOp) { startOperation(cm) }
|
| + if (hasHandler(this, "clear")) {
|
| + var found = this.find()
|
| + if (found) { signalLater(this, "clear", found.from, found.to) }
|
| + }
|
| + var min = null, max = null
|
| + for (var i = 0; i < this.lines.length; ++i) {
|
| + var line = this$1.lines[i]
|
| + var span = getMarkedSpanFor(line.markedSpans, this$1)
|
| + if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text") }
|
| + else if (cm) {
|
| + if (span.to != null) { max = lineNo(line) }
|
| + if (span.from != null) { min = lineNo(line) }
|
| + }
|
| + line.markedSpans = removeMarkedSpan(line.markedSpans, span)
|
| + if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm)
|
| + { updateLineHeight(line, textHeight(cm.display)) }
|
| + }
|
| + if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {
|
| + var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual)
|
| + if (len > cm.display.maxLineLength) {
|
| + cm.display.maxLine = visual
|
| + cm.display.maxLineLength = len
|
| + cm.display.maxLineChanged = true
|
| + }
|
| + } }
|
| +
|
| + if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1) }
|
| + this.lines.length = 0
|
| + this.explicitlyCleared = true
|
| + if (this.atomic && this.doc.cantEdit) {
|
| + this.doc.cantEdit = false
|
| + if (cm) { reCheckSelection(cm.doc) }
|
| + }
|
| + if (cm) { signalLater(cm, "markerCleared", cm, this, min, max) }
|
| + if (withOp) { endOperation(cm) }
|
| + if (this.parent) { this.parent.clear() }
|
| +};
|
| +
|
| +// Find the position of the marker in the document. Returns a {from,
|
| +// to} object by default. Side can be passed to get a specific side
|
| +// -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
|
| +// Pos objects returned contain a line object, rather than a line
|
| +// number (used to prevent looking up the same line twice).
|
| +TextMarker.prototype.find = function find (side, lineObj) {
|
| + var this$1 = this;
|
| +
|
| + if (side == null && this.type == "bookmark") { side = 1 }
|
| + var from, to
|
| + for (var i = 0; i < this.lines.length; ++i) {
|
| + var line = this$1.lines[i]
|
| + var span = getMarkedSpanFor(line.markedSpans, this$1)
|
| + if (span.from != null) {
|
| + from = Pos(lineObj ? line : lineNo(line), span.from)
|
| + if (side == -1) { return from }
|
| + }
|
| + if (span.to != null) {
|
| + to = Pos(lineObj ? line : lineNo(line), span.to)
|
| + if (side == 1) { return to }
|
| + }
|
| + }
|
| + return from && {from: from, to: to}
|
| +};
|
| +
|
| +// Signals that the marker's widget changed, and surrounding layout
|
| +// should be recomputed.
|
| +TextMarker.prototype.changed = function changed () {
|
| + var this$1 = this;
|
| +
|
| + var pos = this.find(-1, true), widget = this, cm = this.doc.cm
|
| + if (!pos || !cm) { return }
|
| + runInOp(cm, function () {
|
| + var line = pos.line, lineN = lineNo(pos.line)
|
| + var view = findViewForLine(cm, lineN)
|
| + if (view) {
|
| + clearLineMeasurementCacheFor(view)
|
| + cm.curOp.selectionChanged = cm.curOp.forceUpdate = true
|
| + }
|
| + cm.curOp.updateMaxLine = true
|
| + if (!lineIsHidden(widget.doc, line) && widget.height != null) {
|
| + var oldHeight = widget.height
|
| + widget.height = null
|
| + var dHeight = widgetHeight(widget) - oldHeight
|
| + if (dHeight)
|
| + { updateLineHeight(line, line.height + dHeight) }
|
| + }
|
| + signalLater(cm, "markerChanged", cm, this$1)
|
| + })
|
| +};
|
| +
|
| +TextMarker.prototype.attachLine = function attachLine (line) {
|
| + if (!this.lines.length && this.doc.cm) {
|
| + var op = this.doc.cm.curOp
|
| + if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
|
| + { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this) }
|
| + }
|
| + this.lines.push(line)
|
| +};
|
| +
|
| +TextMarker.prototype.detachLine = function detachLine (line) {
|
| + this.lines.splice(indexOf(this.lines, line), 1)
|
| + if (!this.lines.length && this.doc.cm) {
|
| + var op = this.doc.cm.curOp
|
| + ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this)
|
| + }
|
| +};
|
| +eventMixin(TextMarker)
|
| +
|
| +// Create a marker, wire it up to the right lines, and
|
| +function markText(doc, from, to, options, type) {
|
| + // Shared markers (across linked documents) are handled separately
|
| + // (markTextShared will call out to this again, once per
|
| + // document).
|
| + if (options && options.shared) { return markTextShared(doc, from, to, options, type) }
|
| + // Ensure we are in an operation.
|
| + if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }
|
| +
|
| + var marker = new TextMarker(doc, type), diff = cmp(from, to)
|
| + if (options) { copyObj(options, marker, false) }
|
| + // Don't connect empty markers unless clearWhenEmpty is false
|
| + if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
|
| + { return marker }
|
| + if (marker.replacedWith) {
|
| + // Showing up as a widget implies collapsed (widget replaces text)
|
| + marker.collapsed = true
|
| + marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget")
|
| + if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true") }
|
| + if (options.insertLeft) { marker.widgetNode.insertLeft = true }
|
| + }
|
| + if (marker.collapsed) {
|
| + if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
|
| + from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
|
| + { throw new Error("Inserting collapsed marker partially overlapping an existing one") }
|
| + seeCollapsedSpans()
|
| + }
|
| +
|
| + if (marker.addToHistory)
|
| + { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN) }
|
| +
|
| + var curLine = from.line, cm = doc.cm, updateMaxLine
|
| + doc.iter(curLine, to.line + 1, function (line) {
|
| + if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
|
| + { updateMaxLine = true }
|
| + if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0) }
|
| + addMarkedSpan(line, new MarkedSpan(marker,
|
| + curLine == from.line ? from.ch : null,
|
| + curLine == to.line ? to.ch : null))
|
| + ++curLine
|
| + })
|
| + // lineIsHidden depends on the presence of the spans, so needs a second pass
|
| + if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {
|
| + if (lineIsHidden(doc, line)) { updateLineHeight(line, 0) }
|
| + }) }
|
| +
|
| + if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }) }
|
| +
|
| + if (marker.readOnly) {
|
| + seeReadOnlySpans()
|
| + if (doc.history.done.length || doc.history.undone.length)
|
| + { doc.clearHistory() }
|
| + }
|
| + if (marker.collapsed) {
|
| + marker.id = ++nextMarkerId
|
| + marker.atomic = true
|
| + }
|
| + if (cm) {
|
| + // Sync editor state
|
| + if (updateMaxLine) { cm.curOp.updateMaxLine = true }
|
| + if (marker.collapsed)
|
| + { regChange(cm, from.line, to.line + 1) }
|
| + else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css)
|
| + { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text") } }
|
| + if (marker.atomic) { reCheckSelection(cm.doc) }
|
| + signalLater(cm, "markerAdded", cm, marker)
|
| + }
|
| + return marker
|
| +}
|
| +
|
| +// SHARED TEXTMARKERS
|
| +
|
| +// A shared marker spans multiple linked documents. It is
|
| +// implemented as a meta-marker-object controlling multiple normal
|
| +// markers.
|
| +var SharedTextMarker = function SharedTextMarker(markers, primary) {
|
| + var this$1 = this;
|
| +
|
| + this.markers = markers
|
| + this.primary = primary
|
| + for (var i = 0; i < markers.length; ++i)
|
| + { markers[i].parent = this$1 }
|
| +};
|
| +
|
| +SharedTextMarker.prototype.clear = function clear () {
|
| + var this$1 = this;
|
| +
|
| + if (this.explicitlyCleared) { return }
|
| + this.explicitlyCleared = true
|
| + for (var i = 0; i < this.markers.length; ++i)
|
| + { this$1.markers[i].clear() }
|
| + signalLater(this, "clear")
|
| +};
|
| +
|
| +SharedTextMarker.prototype.find = function find (side, lineObj) {
|
| + return this.primary.find(side, lineObj)
|
| +};
|
| +eventMixin(SharedTextMarker)
|
| +
|
| +function markTextShared(doc, from, to, options, type) {
|
| + options = copyObj(options)
|
| + options.shared = false
|
| + var markers = [markText(doc, from, to, options, type)], primary = markers[0]
|
| + var widget = options.widgetNode
|
| + linkedDocs(doc, function (doc) {
|
| + if (widget) { options.widgetNode = widget.cloneNode(true) }
|
| + markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type))
|
| + for (var i = 0; i < doc.linked.length; ++i)
|
| + { if (doc.linked[i].isParent) { return } }
|
| + primary = lst(markers)
|
| + })
|
| + return new SharedTextMarker(markers, primary)
|
| +}
|
| +
|
| +function findSharedMarkers(doc) {
|
| + return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })
|
| +}
|
| +
|
| +function copySharedMarkers(doc, markers) {
|
| + for (var i = 0; i < markers.length; i++) {
|
| + var marker = markers[i], pos = marker.find()
|
| + var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to)
|
| + if (cmp(mFrom, mTo)) {
|
| + var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type)
|
| + marker.markers.push(subMark)
|
| + subMark.parent = marker
|
| + }
|
| + }
|
| +}
|
| +
|
| +function detachSharedMarkers(markers) {
|
| + var loop = function ( i ) {
|
| + var marker = markers[i], linked = [marker.primary.doc]
|
| + linkedDocs(marker.primary.doc, function (d) { return linked.push(d); })
|
| + for (var j = 0; j < marker.markers.length; j++) {
|
| + var subMarker = marker.markers[j]
|
| + if (indexOf(linked, subMarker.doc) == -1) {
|
| + subMarker.parent = null
|
| + marker.markers.splice(j--, 1)
|
| }
|
| }
|
| + };
|
|
|
| - // Normal behavior is to insert the new text into every selection
|
| - for (var i = sel.ranges.length - 1; i >= 0; i--) {
|
| - var range = sel.ranges[i];
|
| - var from = range.from(), to = range.to();
|
| - if (range.empty()) {
|
| - if (deleted && deleted > 0) // Handle deletion
|
| - from = Pos(from.line, from.ch - deleted);
|
| - else if (cm.state.overwrite && !paste) // Handle overwrite
|
| - to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length));
|
| - else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted)
|
| - from = to = Pos(from.line, 0)
|
| - }
|
| - var updateInput = cm.curOp.updateInput;
|
| - var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines,
|
| - origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")};
|
| - makeChange(cm.doc, changeEvent);
|
| - signalLater(cm, "inputRead", cm, changeEvent);
|
| - }
|
| - if (inserted && !paste)
|
| - triggerElectric(cm, inserted);
|
| -
|
| - ensureCursorVisible(cm);
|
| - cm.curOp.updateInput = updateInput;
|
| - cm.curOp.typing = true;
|
| - cm.state.pasteIncoming = cm.state.cutIncoming = false;
|
| - }
|
| -
|
| - function handlePaste(e, cm) {
|
| - var pasted = e.clipboardData && e.clipboardData.getData("text/plain");
|
| - if (pasted) {
|
| - e.preventDefault();
|
| - if (!cm.isReadOnly() && !cm.options.disableInput)
|
| - runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); });
|
| - return true;
|
| - }
|
| - }
|
| -
|
| - function triggerElectric(cm, inserted) {
|
| - // When an 'electric' character is inserted, immediately trigger a reindent
|
| - if (!cm.options.electricChars || !cm.options.smartIndent) return;
|
| - var sel = cm.doc.sel;
|
| -
|
| - for (var i = sel.ranges.length - 1; i >= 0; i--) {
|
| - var range = sel.ranges[i];
|
| - if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue;
|
| - var mode = cm.getModeAt(range.head);
|
| - var indented = false;
|
| - if (mode.electricChars) {
|
| - for (var j = 0; j < mode.electricChars.length; j++)
|
| - if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
|
| - indented = indentLine(cm, range.head.line, "smart");
|
| - break;
|
| - }
|
| - } else if (mode.electricInput) {
|
| - if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch)))
|
| - indented = indentLine(cm, range.head.line, "smart");
|
| - }
|
| - if (indented) signalLater(cm, "electricInput", cm, range.head.line);
|
| + for (var i = 0; i < markers.length; i++) loop( i );
|
| +}
|
| +
|
| +var nextDocId = 0
|
| +var Doc = function(text, mode, firstLine, lineSep, direction) {
|
| + if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }
|
| + if (firstLine == null) { firstLine = 0 }
|
| +
|
| + BranchChunk.call(this, [new LeafChunk([new Line("", null)])])
|
| + this.first = firstLine
|
| + this.scrollTop = this.scrollLeft = 0
|
| + this.cantEdit = false
|
| + this.cleanGeneration = 1
|
| + this.frontier = firstLine
|
| + var start = Pos(firstLine, 0)
|
| + this.sel = simpleSelection(start)
|
| + this.history = new History(null)
|
| + this.id = ++nextDocId
|
| + this.modeOption = mode
|
| + this.lineSep = lineSep
|
| + this.direction = (direction == "rtl") ? "rtl" : "ltr"
|
| + this.extend = false
|
| +
|
| + if (typeof text == "string") { text = this.splitLines(text) }
|
| + updateDoc(this, {from: start, to: start, text: text})
|
| + setSelection(this, simpleSelection(start), sel_dontScroll)
|
| +}
|
| +
|
| +Doc.prototype = createObj(BranchChunk.prototype, {
|
| + constructor: Doc,
|
| + // Iterate over the document. Supports two forms -- with only one
|
| + // argument, it calls that for each line in the document. With
|
| + // three, it iterates over the range given by the first two (with
|
| + // the second being non-inclusive).
|
| + iter: function(from, to, op) {
|
| + if (op) { this.iterN(from - this.first, to - from, op) }
|
| + else { this.iterN(this.first, this.first + this.size, from) }
|
| + },
|
| +
|
| + // Non-public interface for adding and removing lines.
|
| + insert: function(at, lines) {
|
| + var height = 0
|
| + for (var i = 0; i < lines.length; ++i) { height += lines[i].height }
|
| + this.insertInner(at - this.first, lines, height)
|
| + },
|
| + remove: function(at, n) { this.removeInner(at - this.first, n) },
|
| +
|
| + // From here, the methods are part of the public interface. Most
|
| + // are also available from CodeMirror (editor) instances.
|
| +
|
| + getValue: function(lineSep) {
|
| + var lines = getLines(this, this.first, this.first + this.size)
|
| + if (lineSep === false) { return lines }
|
| + return lines.join(lineSep || this.lineSeparator())
|
| + },
|
| + setValue: docMethodOp(function(code) {
|
| + var top = Pos(this.first, 0), last = this.first + this.size - 1
|
| + makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
|
| + text: this.splitLines(code), origin: "setValue", full: true}, true)
|
| + setSelection(this, simpleSelection(top))
|
| + }),
|
| + replaceRange: function(code, from, to, origin) {
|
| + from = clipPos(this, from)
|
| + to = to ? clipPos(this, to) : from
|
| + replaceRange(this, code, from, to, origin)
|
| + },
|
| + getRange: function(from, to, lineSep) {
|
| + var lines = getBetween(this, clipPos(this, from), clipPos(this, to))
|
| + if (lineSep === false) { return lines }
|
| + return lines.join(lineSep || this.lineSeparator())
|
| + },
|
| +
|
| + getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},
|
| +
|
| + getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},
|
| + getLineNumber: function(line) {return lineNo(line)},
|
| +
|
| + getLineHandleVisualStart: function(line) {
|
| + if (typeof line == "number") { line = getLine(this, line) }
|
| + return visualLine(line)
|
| + },
|
| +
|
| + lineCount: function() {return this.size},
|
| + firstLine: function() {return this.first},
|
| + lastLine: function() {return this.first + this.size - 1},
|
| +
|
| + clipPos: function(pos) {return clipPos(this, pos)},
|
| +
|
| + getCursor: function(start) {
|
| + var range = this.sel.primary(), pos
|
| + if (start == null || start == "head") { pos = range.head }
|
| + else if (start == "anchor") { pos = range.anchor }
|
| + else if (start == "end" || start == "to" || start === false) { pos = range.to() }
|
| + else { pos = range.from() }
|
| + return pos
|
| + },
|
| + listSelections: function() { return this.sel.ranges },
|
| + somethingSelected: function() {return this.sel.somethingSelected()},
|
| +
|
| + setCursor: docMethodOp(function(line, ch, options) {
|
| + setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options)
|
| + }),
|
| + setSelection: docMethodOp(function(anchor, head, options) {
|
| + setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options)
|
| + }),
|
| + extendSelection: docMethodOp(function(head, other, options) {
|
| + extendSelection(this, clipPos(this, head), other && clipPos(this, other), options)
|
| + }),
|
| + extendSelections: docMethodOp(function(heads, options) {
|
| + extendSelections(this, clipPosArray(this, heads), options)
|
| + }),
|
| + extendSelectionsBy: docMethodOp(function(f, options) {
|
| + var heads = map(this.sel.ranges, f)
|
| + extendSelections(this, clipPosArray(this, heads), options)
|
| + }),
|
| + setSelections: docMethodOp(function(ranges, primary, options) {
|
| + var this$1 = this;
|
| +
|
| + if (!ranges.length) { return }
|
| + var out = []
|
| + for (var i = 0; i < ranges.length; i++)
|
| + { out[i] = new Range(clipPos(this$1, ranges[i].anchor),
|
| + clipPos(this$1, ranges[i].head)) }
|
| + if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex) }
|
| + setSelection(this, normalizeSelection(out, primary), options)
|
| + }),
|
| + addSelection: docMethodOp(function(anchor, head, options) {
|
| + var ranges = this.sel.ranges.slice(0)
|
| + ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)))
|
| + setSelection(this, normalizeSelection(ranges, ranges.length - 1), options)
|
| + }),
|
| +
|
| + getSelection: function(lineSep) {
|
| + var this$1 = this;
|
| +
|
| + var ranges = this.sel.ranges, lines
|
| + for (var i = 0; i < ranges.length; i++) {
|
| + var sel = getBetween(this$1, ranges[i].from(), ranges[i].to())
|
| + lines = lines ? lines.concat(sel) : sel
|
| }
|
| - }
|
| + if (lineSep === false) { return lines }
|
| + else { return lines.join(lineSep || this.lineSeparator()) }
|
| + },
|
| + getSelections: function(lineSep) {
|
| + var this$1 = this;
|
|
|
| - function copyableRanges(cm) {
|
| - var text = [], ranges = [];
|
| - for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
|
| - var line = cm.doc.sel.ranges[i].head.line;
|
| - var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
|
| - ranges.push(lineRange);
|
| - text.push(cm.getRange(lineRange.anchor, lineRange.head));
|
| + var parts = [], ranges = this.sel.ranges
|
| + for (var i = 0; i < ranges.length; i++) {
|
| + var sel = getBetween(this$1, ranges[i].from(), ranges[i].to())
|
| + if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()) }
|
| + parts[i] = sel
|
| + }
|
| + return parts
|
| + },
|
| + replaceSelection: function(code, collapse, origin) {
|
| + var dup = []
|
| + for (var i = 0; i < this.sel.ranges.length; i++)
|
| + { dup[i] = code }
|
| + this.replaceSelections(dup, collapse, origin || "+input")
|
| + },
|
| + replaceSelections: docMethodOp(function(code, collapse, origin) {
|
| + var this$1 = this;
|
| +
|
| + var changes = [], sel = this.sel
|
| + for (var i = 0; i < sel.ranges.length; i++) {
|
| + var range = sel.ranges[i]
|
| + changes[i] = {from: range.from(), to: range.to(), text: this$1.splitLines(code[i]), origin: origin}
|
| + }
|
| + var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse)
|
| + for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)
|
| + { makeChange(this$1, changes[i$1]) }
|
| + if (newSel) { setSelectionReplaceHistory(this, newSel) }
|
| + else if (this.cm) { ensureCursorVisible(this.cm) }
|
| + }),
|
| + undo: docMethodOp(function() {makeChangeFromHistory(this, "undo")}),
|
| + redo: docMethodOp(function() {makeChangeFromHistory(this, "redo")}),
|
| + undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true)}),
|
| + redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true)}),
|
| +
|
| + setExtending: function(val) {this.extend = val},
|
| + getExtending: function() {return this.extend},
|
| +
|
| + historySize: function() {
|
| + var hist = this.history, done = 0, undone = 0
|
| + for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done } }
|
| + for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone } }
|
| + return {undo: done, redo: undone}
|
| + },
|
| + clearHistory: function() {this.history = new History(this.history.maxGeneration)},
|
| +
|
| + markClean: function() {
|
| + this.cleanGeneration = this.changeGeneration(true)
|
| + },
|
| + changeGeneration: function(forceSplit) {
|
| + if (forceSplit)
|
| + { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null }
|
| + return this.history.generation
|
| + },
|
| + isClean: function (gen) {
|
| + return this.history.generation == (gen || this.cleanGeneration)
|
| + },
|
| +
|
| + getHistory: function() {
|
| + return {done: copyHistoryArray(this.history.done),
|
| + undone: copyHistoryArray(this.history.undone)}
|
| + },
|
| + setHistory: function(histData) {
|
| + var hist = this.history = new History(this.history.maxGeneration)
|
| + hist.done = copyHistoryArray(histData.done.slice(0), null, true)
|
| + hist.undone = copyHistoryArray(histData.undone.slice(0), null, true)
|
| + },
|
| +
|
| + setGutterMarker: docMethodOp(function(line, gutterID, value) {
|
| + return changeLine(this, line, "gutter", function (line) {
|
| + var markers = line.gutterMarkers || (line.gutterMarkers = {})
|
| + markers[gutterID] = value
|
| + if (!value && isEmpty(markers)) { line.gutterMarkers = null }
|
| + return true
|
| + })
|
| + }),
|
| +
|
| + clearGutter: docMethodOp(function(gutterID) {
|
| + var this$1 = this;
|
| +
|
| + this.iter(function (line) {
|
| + if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
|
| + changeLine(this$1, line, "gutter", function () {
|
| + line.gutterMarkers[gutterID] = null
|
| + if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null }
|
| + return true
|
| + })
|
| + }
|
| + })
|
| + }),
|
| +
|
| + lineInfo: function(line) {
|
| + var n
|
| + if (typeof line == "number") {
|
| + if (!isLine(this, line)) { return null }
|
| + n = line
|
| + line = getLine(this, line)
|
| + if (!line) { return null }
|
| + } else {
|
| + n = lineNo(line)
|
| + if (n == null) { return null }
|
| + }
|
| + return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
|
| + textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
|
| + widgets: line.widgets}
|
| + },
|
| +
|
| + addLineClass: docMethodOp(function(handle, where, cls) {
|
| + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
|
| + var prop = where == "text" ? "textClass"
|
| + : where == "background" ? "bgClass"
|
| + : where == "gutter" ? "gutterClass" : "wrapClass"
|
| + if (!line[prop]) { line[prop] = cls }
|
| + else if (classTest(cls).test(line[prop])) { return false }
|
| + else { line[prop] += " " + cls }
|
| + return true
|
| + })
|
| + }),
|
| + removeLineClass: docMethodOp(function(handle, where, cls) {
|
| + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
|
| + var prop = where == "text" ? "textClass"
|
| + : where == "background" ? "bgClass"
|
| + : where == "gutter" ? "gutterClass" : "wrapClass"
|
| + var cur = line[prop]
|
| + if (!cur) { return false }
|
| + else if (cls == null) { line[prop] = null }
|
| + else {
|
| + var found = cur.match(classTest(cls))
|
| + if (!found) { return false }
|
| + var end = found.index + found[0].length
|
| + line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null
|
| + }
|
| + return true
|
| + })
|
| + }),
|
| +
|
| + addLineWidget: docMethodOp(function(handle, node, options) {
|
| + return addLineWidget(this, handle, node, options)
|
| + }),
|
| + removeLineWidget: function(widget) { widget.clear() },
|
| +
|
| + markText: function(from, to, options) {
|
| + return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")
|
| + },
|
| + setBookmark: function(pos, options) {
|
| + var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
|
| + insertLeft: options && options.insertLeft,
|
| + clearWhenEmpty: false, shared: options && options.shared,
|
| + handleMouseEvents: options && options.handleMouseEvents}
|
| + pos = clipPos(this, pos)
|
| + return markText(this, pos, pos, realOpts, "bookmark")
|
| + },
|
| + findMarksAt: function(pos) {
|
| + pos = clipPos(this, pos)
|
| + var markers = [], spans = getLine(this, pos.line).markedSpans
|
| + if (spans) { for (var i = 0; i < spans.length; ++i) {
|
| + var span = spans[i]
|
| + if ((span.from == null || span.from <= pos.ch) &&
|
| + (span.to == null || span.to >= pos.ch))
|
| + { markers.push(span.marker.parent || span.marker) }
|
| + } }
|
| + return markers
|
| + },
|
| + findMarks: function(from, to, filter) {
|
| + from = clipPos(this, from); to = clipPos(this, to)
|
| + var found = [], lineNo = from.line
|
| + this.iter(from.line, to.line + 1, function (line) {
|
| + var spans = line.markedSpans
|
| + if (spans) { for (var i = 0; i < spans.length; i++) {
|
| + var span = spans[i]
|
| + if (!(span.to != null && lineNo == from.line && from.ch >= span.to ||
|
| + span.from == null && lineNo != from.line ||
|
| + span.from != null && lineNo == to.line && span.from >= to.ch) &&
|
| + (!filter || filter(span.marker)))
|
| + { found.push(span.marker.parent || span.marker) }
|
| + } }
|
| + ++lineNo
|
| + })
|
| + return found
|
| + },
|
| + getAllMarks: function() {
|
| + var markers = []
|
| + this.iter(function (line) {
|
| + var sps = line.markedSpans
|
| + if (sps) { for (var i = 0; i < sps.length; ++i)
|
| + { if (sps[i].from != null) { markers.push(sps[i].marker) } } }
|
| + })
|
| + return markers
|
| + },
|
| +
|
| + posFromIndex: function(off) {
|
| + var ch, lineNo = this.first, sepSize = this.lineSeparator().length
|
| + this.iter(function (line) {
|
| + var sz = line.text.length + sepSize
|
| + if (sz > off) { ch = off; return true }
|
| + off -= sz
|
| + ++lineNo
|
| + })
|
| + return clipPos(this, Pos(lineNo, ch))
|
| + },
|
| + indexFromPos: function (coords) {
|
| + coords = clipPos(this, coords)
|
| + var index = coords.ch
|
| + if (coords.line < this.first || coords.ch < 0) { return 0 }
|
| + var sepSize = this.lineSeparator().length
|
| + this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value
|
| + index += line.text.length + sepSize
|
| + })
|
| + return index
|
| + },
|
| +
|
| + copy: function(copyHistory) {
|
| + var doc = new Doc(getLines(this, this.first, this.first + this.size),
|
| + this.modeOption, this.first, this.lineSep, this.direction)
|
| + doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft
|
| + doc.sel = this.sel
|
| + doc.extend = false
|
| + if (copyHistory) {
|
| + doc.history.undoDepth = this.history.undoDepth
|
| + doc.setHistory(this.getHistory())
|
| + }
|
| + return doc
|
| + },
|
| +
|
| + linkedDoc: function(options) {
|
| + if (!options) { options = {} }
|
| + var from = this.first, to = this.first + this.size
|
| + if (options.from != null && options.from > from) { from = options.from }
|
| + if (options.to != null && options.to < to) { to = options.to }
|
| + var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction)
|
| + if (options.sharedHist) { copy.history = this.history
|
| + ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist})
|
| + copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]
|
| + copySharedMarkers(copy, findSharedMarkers(this))
|
| + return copy
|
| + },
|
| + unlinkDoc: function(other) {
|
| + var this$1 = this;
|
| +
|
| + if (other instanceof CodeMirror) { other = other.doc }
|
| + if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {
|
| + var link = this$1.linked[i]
|
| + if (link.doc != other) { continue }
|
| + this$1.linked.splice(i, 1)
|
| + other.unlinkDoc(this$1)
|
| + detachSharedMarkers(findSharedMarkers(this$1))
|
| + break
|
| + } }
|
| + // If the histories were shared, split them again
|
| + if (other.history == this.history) {
|
| + var splitIds = [other.id]
|
| + linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true)
|
| + other.history = new History(null)
|
| + other.history.done = copyHistoryArray(this.history.done, splitIds)
|
| + other.history.undone = copyHistoryArray(this.history.undone, splitIds)
|
| + }
|
| + },
|
| + iterLinkedDocs: function(f) {linkedDocs(this, f)},
|
| +
|
| + getMode: function() {return this.mode},
|
| + getEditor: function() {return this.cm},
|
| +
|
| + splitLines: function(str) {
|
| + if (this.lineSep) { return str.split(this.lineSep) }
|
| + return splitLinesAuto(str)
|
| + },
|
| + lineSeparator: function() { return this.lineSep || "\n" },
|
| +
|
| + setDirection: docMethodOp(function (dir) {
|
| + if (dir != "rtl") { dir = "ltr" }
|
| + if (dir == this.direction) { return }
|
| + this.direction = dir
|
| + this.iter(function (line) { return line.order = null; })
|
| + if (this.cm) { directionChanged(this.cm) }
|
| + })
|
| +})
|
| +
|
| +// Public alias.
|
| +Doc.prototype.eachLine = Doc.prototype.iter
|
| +
|
| +// Kludge to work around strange IE behavior where it'll sometimes
|
| +// re-fire a series of drag-related events right after the drop (#1551)
|
| +var lastDrop = 0
|
| +
|
| +function onDrop(e) {
|
| + var cm = this
|
| + clearDragCursor(cm)
|
| + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
|
| + { return }
|
| + e_preventDefault(e)
|
| + if (ie) { lastDrop = +new Date }
|
| + var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files
|
| + if (!pos || cm.isReadOnly()) { return }
|
| + // Might be a file drop, in which case we simply extract the text
|
| + // and insert it.
|
| + if (files && files.length && window.FileReader && window.File) {
|
| + var n = files.length, text = Array(n), read = 0
|
| + var loadFile = function (file, i) {
|
| + if (cm.options.allowDropFileTypes &&
|
| + indexOf(cm.options.allowDropFileTypes, file.type) == -1)
|
| + { return }
|
| +
|
| + var reader = new FileReader
|
| + reader.onload = operation(cm, function () {
|
| + var content = reader.result
|
| + if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = "" }
|
| + text[i] = content
|
| + if (++read == n) {
|
| + pos = clipPos(cm.doc, pos)
|
| + var change = {from: pos, to: pos,
|
| + text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
|
| + origin: "paste"}
|
| + makeChange(cm.doc, change)
|
| + setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)))
|
| + }
|
| + })
|
| + reader.readAsText(file)
|
| }
|
| - return {text: text, ranges: ranges};
|
| - }
|
| -
|
| - function disableBrowserMagic(field) {
|
| - field.setAttribute("autocorrect", "off");
|
| - field.setAttribute("autocapitalize", "off");
|
| - field.setAttribute("spellcheck", "false");
|
| - }
|
| -
|
| - // TEXTAREA INPUT STYLE
|
| -
|
| - function TextareaInput(cm) {
|
| - this.cm = cm;
|
| - // See input.poll and input.reset
|
| - this.prevInput = "";
|
| -
|
| - // Flag that indicates whether we expect input to appear real soon
|
| - // now (after some event like 'keypress' or 'input') and are
|
| - // polling intensively.
|
| - this.pollingFast = false;
|
| - // Self-resetting timeout for the poller
|
| - this.polling = new Delayed();
|
| - // Tracks when input.reset has punted to just putting a short
|
| - // string into the textarea instead of the full selection.
|
| - this.inaccurateSelection = false;
|
| - // Used to work around IE issue with selection being forgotten when focus moves away from textarea
|
| - this.hasSelection = false;
|
| - this.composing = null;
|
| - };
|
| -
|
| - function hiddenTextarea() {
|
| - var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none");
|
| - var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
|
| - // The textarea is kept positioned near the cursor to prevent the
|
| - // fact that it'll be scrolled into view on input from scrolling
|
| - // our fake cursor out of view. On webkit, when wrap=off, paste is
|
| - // very slow. So make the area wide instead.
|
| - if (webkit) te.style.width = "1000px";
|
| - else te.setAttribute("wrap", "off");
|
| - // If border: 0; -- iOS fails to open keyboard (issue #1287)
|
| - if (ios) te.style.border = "1px solid black";
|
| - disableBrowserMagic(te);
|
| - return div;
|
| - }
|
| -
|
| - TextareaInput.prototype = copyObj({
|
| - init: function(display) {
|
| - var input = this, cm = this.cm;
|
| -
|
| - // Wraps and hides input textarea
|
| - var div = this.wrapper = hiddenTextarea();
|
| - // The semihidden textarea that is focused when the editor is
|
| - // focused, and receives input.
|
| - var te = this.textarea = div.firstChild;
|
| - display.wrapper.insertBefore(div, display.wrapper.firstChild);
|
| -
|
| - // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
|
| - if (ios) te.style.width = "0px";
|
| -
|
| - on(te, "input", function() {
|
| - if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null;
|
| - input.poll();
|
| - });
|
| -
|
| - on(te, "paste", function(e) {
|
| - if (signalDOMEvent(cm, e) || handlePaste(e, cm)) return
|
| -
|
| - cm.state.pasteIncoming = true;
|
| - input.fastPoll();
|
| - });
|
| -
|
| - function prepareCopyCut(e) {
|
| - if (signalDOMEvent(cm, e)) return
|
| - if (cm.somethingSelected()) {
|
| - lastCopied = {lineWise: false, text: cm.getSelections()};
|
| - if (input.inaccurateSelection) {
|
| - input.prevInput = "";
|
| - input.inaccurateSelection = false;
|
| - te.value = lastCopied.text.join("\n");
|
| - selectInput(te);
|
| - }
|
| - } else if (!cm.options.lineWiseCopyCut) {
|
| - return;
|
| - } else {
|
| - var ranges = copyableRanges(cm);
|
| - lastCopied = {lineWise: true, text: ranges.text};
|
| - if (e.type == "cut") {
|
| - cm.setSelections(ranges.ranges, null, sel_dontScroll);
|
| - } else {
|
| - input.prevInput = "";
|
| - te.value = ranges.text.join("\n");
|
| - selectInput(te);
|
| + for (var i = 0; i < n; ++i) { loadFile(files[i], i) }
|
| + } else { // Normal drop
|
| + // Don't do a replace if the drop happened inside of the selected text.
|
| + if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
|
| + cm.state.draggingText(e)
|
| + // Ensure the editor is re-focused
|
| + setTimeout(function () { return cm.display.input.focus(); }, 20)
|
| + return
|
| + }
|
| + try {
|
| + var text$1 = e.dataTransfer.getData("Text")
|
| + if (text$1) {
|
| + var selected
|
| + if (cm.state.draggingText && !cm.state.draggingText.copy)
|
| + { selected = cm.listSelections() }
|
| + setSelectionNoUndo(cm.doc, simpleSelection(pos, pos))
|
| + if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)
|
| + { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag") } }
|
| + cm.replaceSelection(text$1, "around", "paste")
|
| + cm.display.input.focus()
|
| + }
|
| + }
|
| + catch(e){}
|
| + }
|
| +}
|
| +
|
| +function onDragStart(cm, e) {
|
| + if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }
|
| + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }
|
| +
|
| + e.dataTransfer.setData("Text", cm.getSelection())
|
| + e.dataTransfer.effectAllowed = "copyMove"
|
| +
|
| + // Use dummy image instead of default browsers image.
|
| + // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
|
| + if (e.dataTransfer.setDragImage && !safari) {
|
| + var img = elt("img", null, null, "position: fixed; left: 0; top: 0;")
|
| + img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="
|
| + if (presto) {
|
| + img.width = img.height = 1
|
| + cm.display.wrapper.appendChild(img)
|
| + // Force a relayout, or Opera won't use our image for some obscure reason
|
| + img._top = img.offsetTop
|
| + }
|
| + e.dataTransfer.setDragImage(img, 0, 0)
|
| + if (presto) { img.parentNode.removeChild(img) }
|
| + }
|
| +}
|
| +
|
| +function onDragOver(cm, e) {
|
| + var pos = posFromMouse(cm, e)
|
| + if (!pos) { return }
|
| + var frag = document.createDocumentFragment()
|
| + drawSelectionCursor(cm, pos, frag)
|
| + if (!cm.display.dragCursor) {
|
| + cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors")
|
| + cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv)
|
| + }
|
| + removeChildrenAndAdd(cm.display.dragCursor, frag)
|
| +}
|
| +
|
| +function clearDragCursor(cm) {
|
| + if (cm.display.dragCursor) {
|
| + cm.display.lineSpace.removeChild(cm.display.dragCursor)
|
| + cm.display.dragCursor = null
|
| + }
|
| +}
|
| +
|
| +// These must be handled carefully, because naively registering a
|
| +// handler for each editor will cause the editors to never be
|
| +// garbage collected.
|
| +
|
| +function forEachCodeMirror(f) {
|
| + if (!document.body.getElementsByClassName) { return }
|
| + var byClass = document.body.getElementsByClassName("CodeMirror")
|
| + for (var i = 0; i < byClass.length; i++) {
|
| + var cm = byClass[i].CodeMirror
|
| + if (cm) { f(cm) }
|
| + }
|
| +}
|
| +
|
| +var globalsRegistered = false
|
| +function ensureGlobalHandlers() {
|
| + if (globalsRegistered) { return }
|
| + registerGlobalHandlers()
|
| + globalsRegistered = true
|
| +}
|
| +function registerGlobalHandlers() {
|
| + // When the window resizes, we need to refresh active editors.
|
| + var resizeTimer
|
| + on(window, "resize", function () {
|
| + if (resizeTimer == null) { resizeTimer = setTimeout(function () {
|
| + resizeTimer = null
|
| + forEachCodeMirror(onResize)
|
| + }, 100) }
|
| + })
|
| + // When the window loses focus, we want to show the editor as blurred
|
| + on(window, "blur", function () { return forEachCodeMirror(onBlur); })
|
| +}
|
| +// Called when the window resizes
|
| +function onResize(cm) {
|
| + var d = cm.display
|
| + if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
|
| + { return }
|
| + // Might be a text scaling operation, clear size caches.
|
| + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null
|
| + d.scrollbarsClipped = false
|
| + cm.setSize()
|
| +}
|
| +
|
| +var keyNames = {
|
| + 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
|
| + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
|
| + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
|
| + 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
|
| + 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete",
|
| + 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
|
| + 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
|
| + 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
|
| +}
|
| +
|
| +// Number keys
|
| +for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i) }
|
| +// Alphabetic keys
|
| +for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1) }
|
| +// Function keys
|
| +for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2 }
|
| +
|
| +var keyMap = {}
|
| +
|
| +keyMap.basic = {
|
| + "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
|
| + "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
|
| + "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
|
| + "Tab": "defaultTab", "Shift-Tab": "indentAuto",
|
| + "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
|
| + "Esc": "singleSelection"
|
| +}
|
| +// Note that the save and find-related commands aren't defined by
|
| +// default. User code or addons can define them. Unknown commands
|
| +// are simply ignored.
|
| +keyMap.pcDefault = {
|
| + "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
|
| + "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
|
| + "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
|
| + "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
|
| + "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
|
| + "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
|
| + "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
|
| + fallthrough: "basic"
|
| +}
|
| +// Very basic readline/emacs-style bindings, which are standard on Mac.
|
| +keyMap.emacsy = {
|
| + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
|
| + "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
|
| + "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
|
| + "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",
|
| + "Ctrl-O": "openLine"
|
| +}
|
| +keyMap.macDefault = {
|
| + "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
|
| + "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
|
| + "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
|
| + "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
|
| + "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
|
| + "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
|
| + "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
|
| + fallthrough: ["basic", "emacsy"]
|
| +}
|
| +keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault
|
| +
|
| +// KEYMAP DISPATCH
|
| +
|
| +function normalizeKeyName(name) {
|
| + var parts = name.split(/-(?!$)/)
|
| + name = parts[parts.length - 1]
|
| + var alt, ctrl, shift, cmd
|
| + for (var i = 0; i < parts.length - 1; i++) {
|
| + var mod = parts[i]
|
| + if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true }
|
| + else if (/^a(lt)?$/i.test(mod)) { alt = true }
|
| + else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true }
|
| + else if (/^s(hift)?$/i.test(mod)) { shift = true }
|
| + else { throw new Error("Unrecognized modifier name: " + mod) }
|
| + }
|
| + if (alt) { name = "Alt-" + name }
|
| + if (ctrl) { name = "Ctrl-" + name }
|
| + if (cmd) { name = "Cmd-" + name }
|
| + if (shift) { name = "Shift-" + name }
|
| + return name
|
| +}
|
| +
|
| +// This is a kludge to keep keymaps mostly working as raw objects
|
| +// (backwards compatibility) while at the same time support features
|
| +// like normalization and multi-stroke key bindings. It compiles a
|
| +// new normalized keymap, and then updates the old object to reflect
|
| +// this.
|
| +function normalizeKeyMap(keymap) {
|
| + var copy = {}
|
| + for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {
|
| + var value = keymap[keyname]
|
| + if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }
|
| + if (value == "...") { delete keymap[keyname]; continue }
|
| +
|
| + var keys = map(keyname.split(" "), normalizeKeyName)
|
| + for (var i = 0; i < keys.length; i++) {
|
| + var val = (void 0), name = (void 0)
|
| + if (i == keys.length - 1) {
|
| + name = keys.join(" ")
|
| + val = value
|
| + } else {
|
| + name = keys.slice(0, i + 1).join(" ")
|
| + val = "..."
|
| + }
|
| + var prev = copy[name]
|
| + if (!prev) { copy[name] = val }
|
| + else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }
|
| + }
|
| + delete keymap[keyname]
|
| + } }
|
| + for (var prop in copy) { keymap[prop] = copy[prop] }
|
| + return keymap
|
| +}
|
| +
|
| +function lookupKey(key, map, handle, context) {
|
| + map = getKeyMap(map)
|
| + var found = map.call ? map.call(key, context) : map[key]
|
| + if (found === false) { return "nothing" }
|
| + if (found === "...") { return "multi" }
|
| + if (found != null && handle(found)) { return "handled" }
|
| +
|
| + if (map.fallthrough) {
|
| + if (Object.prototype.toString.call(map.fallthrough) != "[object Array]")
|
| + { return lookupKey(key, map.fallthrough, handle, context) }
|
| + for (var i = 0; i < map.fallthrough.length; i++) {
|
| + var result = lookupKey(key, map.fallthrough[i], handle, context)
|
| + if (result) { return result }
|
| + }
|
| + }
|
| +}
|
| +
|
| +// Modifier key presses don't count as 'real' key presses for the
|
| +// purpose of keymap fallthrough.
|
| +function isModifierKey(value) {
|
| + var name = typeof value == "string" ? value : keyNames[value.keyCode]
|
| + return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"
|
| +}
|
| +
|
| +// Look up the name of a key as indicated by an event object.
|
| +function keyName(event, noShift) {
|
| + if (presto && event.keyCode == 34 && event["char"]) { return false }
|
| + var base = keyNames[event.keyCode], name = base
|
| + if (name == null || event.altGraphKey) { return false }
|
| + if (event.altKey && base != "Alt") { name = "Alt-" + name }
|
| + if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name }
|
| + if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name }
|
| + if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name }
|
| + return name
|
| +}
|
| +
|
| +function getKeyMap(val) {
|
| + return typeof val == "string" ? keyMap[val] : val
|
| +}
|
| +
|
| +// Helper for deleting text near the selection(s), used to implement
|
| +// backspace, delete, and similar functionality.
|
| +function deleteNearSelection(cm, compute) {
|
| + var ranges = cm.doc.sel.ranges, kill = []
|
| + // Build up a set of ranges to kill first, merging overlapping
|
| + // ranges.
|
| + for (var i = 0; i < ranges.length; i++) {
|
| + var toKill = compute(ranges[i])
|
| + while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
|
| + var replaced = kill.pop()
|
| + if (cmp(replaced.from, toKill.from) < 0) {
|
| + toKill.from = replaced.from
|
| + break
|
| + }
|
| + }
|
| + kill.push(toKill)
|
| + }
|
| + // Next, remove those actual ranges.
|
| + runInOp(cm, function () {
|
| + for (var i = kill.length - 1; i >= 0; i--)
|
| + { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete") }
|
| + ensureCursorVisible(cm)
|
| + })
|
| +}
|
| +
|
| +// Commands are parameter-less actions that can be performed on an
|
| +// editor, mostly used for keybindings.
|
| +var commands = {
|
| + selectAll: selectAll,
|
| + singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); },
|
| + killLine: function (cm) { return deleteNearSelection(cm, function (range) {
|
| + if (range.empty()) {
|
| + var len = getLine(cm.doc, range.head.line).text.length
|
| + if (range.head.ch == len && range.head.line < cm.lastLine())
|
| + { return {from: range.head, to: Pos(range.head.line + 1, 0)} }
|
| + else
|
| + { return {from: range.head, to: Pos(range.head.line, len)} }
|
| + } else {
|
| + return {from: range.from(), to: range.to()}
|
| + }
|
| + }); },
|
| + deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({
|
| + from: Pos(range.from().line, 0),
|
| + to: clipPos(cm.doc, Pos(range.to().line + 1, 0))
|
| + }); }); },
|
| + delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({
|
| + from: Pos(range.from().line, 0), to: range.from()
|
| + }); }); },
|
| + delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {
|
| + var top = cm.charCoords(range.head, "div").top + 5
|
| + var leftPos = cm.coordsChar({left: 0, top: top}, "div")
|
| + return {from: leftPos, to: range.from()}
|
| + }); },
|
| + delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {
|
| + var top = cm.charCoords(range.head, "div").top + 5
|
| + var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")
|
| + return {from: range.from(), to: rightPos }
|
| + }); },
|
| + undo: function (cm) { return cm.undo(); },
|
| + redo: function (cm) { return cm.redo(); },
|
| + undoSelection: function (cm) { return cm.undoSelection(); },
|
| + redoSelection: function (cm) { return cm.redoSelection(); },
|
| + goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },
|
| + goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },
|
| + goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },
|
| + {origin: "+move", bias: 1}
|
| + ); },
|
| + goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },
|
| + {origin: "+move", bias: 1}
|
| + ); },
|
| + goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },
|
| + {origin: "+move", bias: -1}
|
| + ); },
|
| + goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {
|
| + var top = cm.charCoords(range.head, "div").top + 5
|
| + return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")
|
| + }, sel_move); },
|
| + goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {
|
| + var top = cm.charCoords(range.head, "div").top + 5
|
| + return cm.coordsChar({left: 0, top: top}, "div")
|
| + }, sel_move); },
|
| + goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {
|
| + var top = cm.charCoords(range.head, "div").top + 5
|
| + var pos = cm.coordsChar({left: 0, top: top}, "div")
|
| + if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) }
|
| + return pos
|
| + }, sel_move); },
|
| + goLineUp: function (cm) { return cm.moveV(-1, "line"); },
|
| + goLineDown: function (cm) { return cm.moveV(1, "line"); },
|
| + goPageUp: function (cm) { return cm.moveV(-1, "page"); },
|
| + goPageDown: function (cm) { return cm.moveV(1, "page"); },
|
| + goCharLeft: function (cm) { return cm.moveH(-1, "char"); },
|
| + goCharRight: function (cm) { return cm.moveH(1, "char"); },
|
| + goColumnLeft: function (cm) { return cm.moveH(-1, "column"); },
|
| + goColumnRight: function (cm) { return cm.moveH(1, "column"); },
|
| + goWordLeft: function (cm) { return cm.moveH(-1, "word"); },
|
| + goGroupRight: function (cm) { return cm.moveH(1, "group"); },
|
| + goGroupLeft: function (cm) { return cm.moveH(-1, "group"); },
|
| + goWordRight: function (cm) { return cm.moveH(1, "word"); },
|
| + delCharBefore: function (cm) { return cm.deleteH(-1, "char"); },
|
| + delCharAfter: function (cm) { return cm.deleteH(1, "char"); },
|
| + delWordBefore: function (cm) { return cm.deleteH(-1, "word"); },
|
| + delWordAfter: function (cm) { return cm.deleteH(1, "word"); },
|
| + delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); },
|
| + delGroupAfter: function (cm) { return cm.deleteH(1, "group"); },
|
| + indentAuto: function (cm) { return cm.indentSelection("smart"); },
|
| + indentMore: function (cm) { return cm.indentSelection("add"); },
|
| + indentLess: function (cm) { return cm.indentSelection("subtract"); },
|
| + insertTab: function (cm) { return cm.replaceSelection("\t"); },
|
| + insertSoftTab: function (cm) {
|
| + var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize
|
| + for (var i = 0; i < ranges.length; i++) {
|
| + var pos = ranges[i].from()
|
| + var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize)
|
| + spaces.push(spaceStr(tabSize - col % tabSize))
|
| + }
|
| + cm.replaceSelections(spaces)
|
| + },
|
| + defaultTab: function (cm) {
|
| + if (cm.somethingSelected()) { cm.indentSelection("add") }
|
| + else { cm.execCommand("insertTab") }
|
| + },
|
| + // Swap the two chars left and right of each selection's head.
|
| + // Move cursor behind the two swapped characters afterwards.
|
| + //
|
| + // Doesn't consider line feeds a character.
|
| + // Doesn't scan more than one line above to find a character.
|
| + // Doesn't do anything on an empty line.
|
| + // Doesn't do anything with non-empty selections.
|
| + transposeChars: function (cm) { return runInOp(cm, function () {
|
| + var ranges = cm.listSelections(), newSel = []
|
| + for (var i = 0; i < ranges.length; i++) {
|
| + if (!ranges[i].empty()) { continue }
|
| + var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text
|
| + if (line) {
|
| + if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1) }
|
| + if (cur.ch > 0) {
|
| + cur = new Pos(cur.line, cur.ch + 1)
|
| + cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
|
| + Pos(cur.line, cur.ch - 2), cur, "+transpose")
|
| + } else if (cur.line > cm.doc.first) {
|
| + var prev = getLine(cm.doc, cur.line - 1).text
|
| + if (prev) {
|
| + cur = new Pos(cur.line, 1)
|
| + cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
|
| + prev.charAt(prev.length - 1),
|
| + Pos(cur.line - 1, prev.length - 1), cur, "+transpose")
|
| }
|
| }
|
| - if (e.type == "cut") cm.state.cutIncoming = true;
|
| }
|
| - on(te, "cut", prepareCopyCut);
|
| - on(te, "copy", prepareCopyCut);
|
| -
|
| - on(display.scroller, "paste", function(e) {
|
| - if (eventInWidget(display, e) || signalDOMEvent(cm, e)) return;
|
| - cm.state.pasteIncoming = true;
|
| - input.focus();
|
| - });
|
| -
|
| - // Prevent normal selection in the editor (we handle our own)
|
| - on(display.lineSpace, "selectstart", function(e) {
|
| - if (!eventInWidget(display, e)) e_preventDefault(e);
|
| - });
|
| -
|
| - on(te, "compositionstart", function() {
|
| - var start = cm.getCursor("from");
|
| - if (input.composing) input.composing.range.clear()
|
| - input.composing = {
|
| - start: start,
|
| - range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
|
| - };
|
| - });
|
| - on(te, "compositionend", function() {
|
| - if (input.composing) {
|
| - input.poll();
|
| - input.composing.range.clear();
|
| - input.composing = null;
|
| + newSel.push(new Range(cur, cur))
|
| + }
|
| + cm.setSelections(newSel)
|
| + }); },
|
| + newlineAndIndent: function (cm) { return runInOp(cm, function () {
|
| + var sels = cm.listSelections()
|
| + for (var i = sels.length - 1; i >= 0; i--)
|
| + { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input") }
|
| + sels = cm.listSelections()
|
| + for (var i$1 = 0; i$1 < sels.length; i$1++)
|
| + { cm.indentLine(sels[i$1].from().line, null, true) }
|
| + ensureCursorVisible(cm)
|
| + }); },
|
| + openLine: function (cm) { return cm.replaceSelection("\n", "start"); },
|
| + toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }
|
| +}
|
| +
|
| +
|
| +function lineStart(cm, lineN) {
|
| + var line = getLine(cm.doc, lineN)
|
| + var visual = visualLine(line)
|
| + if (visual != line) { lineN = lineNo(visual) }
|
| + return endOfLine(true, cm, visual, lineN, 1)
|
| +}
|
| +function lineEnd(cm, lineN) {
|
| + var line = getLine(cm.doc, lineN)
|
| + var visual = visualLineEnd(line)
|
| + if (visual != line) { lineN = lineNo(visual) }
|
| + return endOfLine(true, cm, line, lineN, -1)
|
| +}
|
| +function lineStartSmart(cm, pos) {
|
| + var start = lineStart(cm, pos.line)
|
| + var line = getLine(cm.doc, start.line)
|
| + var order = getOrder(line, cm.doc.direction)
|
| + if (!order || order[0].level == 0) {
|
| + var firstNonWS = Math.max(0, line.text.search(/\S/))
|
| + var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch
|
| + return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)
|
| + }
|
| + return start
|
| +}
|
| +
|
| +// Run a handler that was bound to a key.
|
| +function doHandleBinding(cm, bound, dropShift) {
|
| + if (typeof bound == "string") {
|
| + bound = commands[bound]
|
| + if (!bound) { return false }
|
| + }
|
| + // Ensure previous input has been read, so that the handler sees a
|
| + // consistent view of the document
|
| + cm.display.input.ensurePolled()
|
| + var prevShift = cm.display.shift, done = false
|
| + try {
|
| + if (cm.isReadOnly()) { cm.state.suppressEdits = true }
|
| + if (dropShift) { cm.display.shift = false }
|
| + done = bound(cm) != Pass
|
| + } finally {
|
| + cm.display.shift = prevShift
|
| + cm.state.suppressEdits = false
|
| + }
|
| + return done
|
| +}
|
| +
|
| +function lookupKeyForEditor(cm, name, handle) {
|
| + for (var i = 0; i < cm.state.keyMaps.length; i++) {
|
| + var result = lookupKey(name, cm.state.keyMaps[i], handle, cm)
|
| + if (result) { return result }
|
| + }
|
| + return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
|
| + || lookupKey(name, cm.options.keyMap, handle, cm)
|
| +}
|
| +
|
| +var stopSeq = new Delayed
|
| +function dispatchKey(cm, name, e, handle) {
|
| + var seq = cm.state.keySeq
|
| + if (seq) {
|
| + if (isModifierKey(name)) { return "handled" }
|
| + stopSeq.set(50, function () {
|
| + if (cm.state.keySeq == seq) {
|
| + cm.state.keySeq = null
|
| + cm.display.input.reset()
|
| + }
|
| + })
|
| + name = seq + " " + name
|
| + }
|
| + var result = lookupKeyForEditor(cm, name, handle)
|
| +
|
| + if (result == "multi")
|
| + { cm.state.keySeq = name }
|
| + if (result == "handled")
|
| + { signalLater(cm, "keyHandled", cm, name, e) }
|
| +
|
| + if (result == "handled" || result == "multi") {
|
| + e_preventDefault(e)
|
| + restartBlink(cm)
|
| + }
|
| +
|
| + if (seq && !result && /\'$/.test(name)) {
|
| + e_preventDefault(e)
|
| + return true
|
| + }
|
| + return !!result
|
| +}
|
| +
|
| +// Handle a key from the keydown event.
|
| +function handleKeyBinding(cm, e) {
|
| + var name = keyName(e, true)
|
| + if (!name) { return false }
|
| +
|
| + if (e.shiftKey && !cm.state.keySeq) {
|
| + // First try to resolve full name (including 'Shift-'). Failing
|
| + // that, see if there is a cursor-motion command (starting with
|
| + // 'go') bound to the keyname without 'Shift-'.
|
| + return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); })
|
| + || dispatchKey(cm, name, e, function (b) {
|
| + if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
|
| + { return doHandleBinding(cm, b) }
|
| + })
|
| + } else {
|
| + return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })
|
| + }
|
| +}
|
| +
|
| +// Handle a key from the keypress event
|
| +function handleCharBinding(cm, e, ch) {
|
| + return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); })
|
| +}
|
| +
|
| +var lastStoppedKey = null
|
| +function onKeyDown(e) {
|
| + var cm = this
|
| + cm.curOp.focus = activeElt()
|
| + if (signalDOMEvent(cm, e)) { return }
|
| + // IE does strange things with escape.
|
| + if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false }
|
| + var code = e.keyCode
|
| + cm.display.shift = code == 16 || e.shiftKey
|
| + var handled = handleKeyBinding(cm, e)
|
| + if (presto) {
|
| + lastStoppedKey = handled ? code : null
|
| + // Opera has no cut event... we try to at least catch the key combo
|
| + if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
|
| + { cm.replaceSelection("", null, "cut") }
|
| + }
|
| +
|
| + // Turn mouse into crosshair when Alt is held on Mac.
|
| + if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
|
| + { showCrossHair(cm) }
|
| +}
|
| +
|
| +function showCrossHair(cm) {
|
| + var lineDiv = cm.display.lineDiv
|
| + addClass(lineDiv, "CodeMirror-crosshair")
|
| +
|
| + function up(e) {
|
| + if (e.keyCode == 18 || !e.altKey) {
|
| + rmClass(lineDiv, "CodeMirror-crosshair")
|
| + off(document, "keyup", up)
|
| + off(document, "mouseover", up)
|
| + }
|
| + }
|
| + on(document, "keyup", up)
|
| + on(document, "mouseover", up)
|
| +}
|
| +
|
| +function onKeyUp(e) {
|
| + if (e.keyCode == 16) { this.doc.sel.shift = false }
|
| + signalDOMEvent(this, e)
|
| +}
|
| +
|
| +function onKeyPress(e) {
|
| + var cm = this
|
| + if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }
|
| + var keyCode = e.keyCode, charCode = e.charCode
|
| + if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}
|
| + if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }
|
| + var ch = String.fromCharCode(charCode == null ? keyCode : charCode)
|
| + // Some browsers fire keypress events for backspace
|
| + if (ch == "\x08") { return }
|
| + if (handleCharBinding(cm, e, ch)) { return }
|
| + cm.display.input.onKeyPress(e)
|
| +}
|
| +
|
| +// A mouse down can be a single click, double click, triple click,
|
| +// start of selection drag, start of text drag, new cursor
|
| +// (ctrl-click), rectangle drag (alt-drag), or xwin
|
| +// middle-click-paste. Or it might be a click on something we should
|
| +// not interfere with, such as a scrollbar or widget.
|
| +function onMouseDown(e) {
|
| + var cm = this, display = cm.display
|
| + if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }
|
| + display.input.ensurePolled()
|
| + display.shift = e.shiftKey
|
| +
|
| + if (eventInWidget(display, e)) {
|
| + if (!webkit) {
|
| + // Briefly turn off draggability, to allow widgets to do
|
| + // normal dragging things.
|
| + display.scroller.draggable = false
|
| + setTimeout(function () { return display.scroller.draggable = true; }, 100)
|
| + }
|
| + return
|
| + }
|
| + if (clickInGutter(cm, e)) { return }
|
| + var start = posFromMouse(cm, e)
|
| + window.focus()
|
| +
|
| + switch (e_button(e)) {
|
| + case 1:
|
| + // #3261: make sure, that we're not starting a second selection
|
| + if (cm.state.selectingText)
|
| + { cm.state.selectingText(e) }
|
| + else if (start)
|
| + { leftButtonDown(cm, e, start) }
|
| + else if (e_target(e) == display.scroller)
|
| + { e_preventDefault(e) }
|
| + break
|
| + case 2:
|
| + if (webkit) { cm.state.lastMiddleDown = +new Date }
|
| + if (start) { extendSelection(cm.doc, start) }
|
| + setTimeout(function () { return display.input.focus(); }, 20)
|
| + e_preventDefault(e)
|
| + break
|
| + case 3:
|
| + if (captureRightClick) { onContextMenu(cm, e) }
|
| + else { delayBlurEvent(cm) }
|
| + break
|
| + }
|
| +}
|
| +
|
| +var lastClick;
|
| +var lastDoubleClick;
|
| +function leftButtonDown(cm, e, start) {
|
| + if (ie) { setTimeout(bind(ensureFocus, cm), 0) }
|
| + else { cm.curOp.focus = activeElt() }
|
| +
|
| + var now = +new Date, type
|
| + if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) {
|
| + type = "triple"
|
| + } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) {
|
| + type = "double"
|
| + lastDoubleClick = {time: now, pos: start}
|
| + } else {
|
| + type = "single"
|
| + lastClick = {time: now, pos: start}
|
| + }
|
| +
|
| + var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained
|
| + if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
|
| + type == "single" && (contained = sel.contains(start)) > -1 &&
|
| + (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) &&
|
| + (cmp(contained.to(), start) > 0 || start.xRel < 0))
|
| + { leftButtonStartDrag(cm, e, start, modifier) }
|
| + else
|
| + { leftButtonSelect(cm, e, start, type, modifier) }
|
| +}
|
| +
|
| +// Start a text drag. When it ends, see if any dragging actually
|
| +// happen, and treat as a click if it didn't.
|
| +function leftButtonStartDrag(cm, e, start, modifier) {
|
| + var display = cm.display, startTime = +new Date
|
| + var dragEnd = operation(cm, function (e2) {
|
| + if (webkit) { display.scroller.draggable = false }
|
| + cm.state.draggingText = false
|
| + off(document, "mouseup", dragEnd)
|
| + off(display.scroller, "drop", dragEnd)
|
| + if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
|
| + e_preventDefault(e2)
|
| + if (!modifier && +new Date - 200 < startTime)
|
| + { extendSelection(cm.doc, start) }
|
| + // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
|
| + if (webkit || ie && ie_version == 9)
|
| + { setTimeout(function () {document.body.focus(); display.input.focus()}, 20) }
|
| + else
|
| + { display.input.focus() }
|
| + }
|
| + })
|
| + // Let the drag handler handle this.
|
| + if (webkit) { display.scroller.draggable = true }
|
| + cm.state.draggingText = dragEnd
|
| + dragEnd.copy = mac ? e.altKey : e.ctrlKey
|
| + // IE's approach to draggable
|
| + if (display.scroller.dragDrop) { display.scroller.dragDrop() }
|
| + on(document, "mouseup", dragEnd)
|
| + on(display.scroller, "drop", dragEnd)
|
| +}
|
| +
|
| +// Normal selection, as opposed to text dragging.
|
| +function leftButtonSelect(cm, e, start, type, addNew) {
|
| + var display = cm.display, doc = cm.doc
|
| + e_preventDefault(e)
|
| +
|
| + var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges
|
| + if (addNew && !e.shiftKey) {
|
| + ourIndex = doc.sel.contains(start)
|
| + if (ourIndex > -1)
|
| + { ourRange = ranges[ourIndex] }
|
| + else
|
| + { ourRange = new Range(start, start) }
|
| + } else {
|
| + ourRange = doc.sel.primary()
|
| + ourIndex = doc.sel.primIndex
|
| + }
|
| +
|
| + if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) {
|
| + type = "rect"
|
| + if (!addNew) { ourRange = new Range(start, start) }
|
| + start = posFromMouse(cm, e, true, true)
|
| + ourIndex = -1
|
| + } else if (type == "double") {
|
| + var word = cm.findWordAt(start)
|
| + if (cm.display.shift || doc.extend)
|
| + { ourRange = extendRange(doc, ourRange, word.anchor, word.head) }
|
| + else
|
| + { ourRange = word }
|
| + } else if (type == "triple") {
|
| + var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0)))
|
| + if (cm.display.shift || doc.extend)
|
| + { ourRange = extendRange(doc, ourRange, line.anchor, line.head) }
|
| + else
|
| + { ourRange = line }
|
| + } else {
|
| + ourRange = extendRange(doc, ourRange, start)
|
| + }
|
| +
|
| + if (!addNew) {
|
| + ourIndex = 0
|
| + setSelection(doc, new Selection([ourRange], 0), sel_mouse)
|
| + startSel = doc.sel
|
| + } else if (ourIndex == -1) {
|
| + ourIndex = ranges.length
|
| + setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),
|
| + {scroll: false, origin: "*mouse"})
|
| + } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) {
|
| + setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
|
| + {scroll: false, origin: "*mouse"})
|
| + startSel = doc.sel
|
| + } else {
|
| + replaceOneSelection(doc, ourIndex, ourRange, sel_mouse)
|
| + }
|
| +
|
| + var lastPos = start
|
| + function extendTo(pos) {
|
| + if (cmp(lastPos, pos) == 0) { return }
|
| + lastPos = pos
|
| +
|
| + if (type == "rect") {
|
| + var ranges = [], tabSize = cm.options.tabSize
|
| + var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize)
|
| + var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize)
|
| + var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol)
|
| + for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
|
| + line <= end; line++) {
|
| + var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize)
|
| + if (left == right)
|
| + { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))) }
|
| + else if (text.length > leftPos)
|
| + { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))) }
|
| + }
|
| + if (!ranges.length) { ranges.push(new Range(start, start)) }
|
| + setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
|
| + {origin: "*mouse", scroll: false})
|
| + cm.scrollIntoView(pos)
|
| + } else {
|
| + var oldRange = ourRange
|
| + var anchor = oldRange.anchor, head = pos
|
| + if (type != "single") {
|
| + var range
|
| + if (type == "double")
|
| + { range = cm.findWordAt(pos) }
|
| + else
|
| + { range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))) }
|
| + if (cmp(range.anchor, anchor) > 0) {
|
| + head = range.head
|
| + anchor = minPos(oldRange.from(), range.anchor)
|
| + } else {
|
| + head = range.anchor
|
| + anchor = maxPos(oldRange.to(), range.head)
|
| }
|
| - });
|
| - },
|
| -
|
| - prepareSelection: function() {
|
| - // Redraw the selection and/or cursor
|
| - var cm = this.cm, display = cm.display, doc = cm.doc;
|
| - var result = prepareSelection(cm);
|
| -
|
| - // Move the hidden textarea near the cursor to prevent scrolling artifacts
|
| - if (cm.options.moveInputWithCursor) {
|
| - var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
|
| - var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
|
| - result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
|
| - headPos.top + lineOff.top - wrapOff.top));
|
| - result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
|
| - headPos.left + lineOff.left - wrapOff.left));
|
| }
|
| + var ranges$1 = startSel.ranges.slice(0)
|
| + ranges$1[ourIndex] = new Range(clipPos(doc, anchor), head)
|
| + setSelection(doc, normalizeSelection(ranges$1, ourIndex), sel_mouse)
|
| + }
|
| + }
|
| +
|
| + var editorSize = display.wrapper.getBoundingClientRect()
|
| + // Used to ensure timeout re-tries don't fire when another extend
|
| + // happened in the meantime (clearTimeout isn't reliable -- at
|
| + // least on Chrome, the timeouts still happen even when cleared,
|
| + // if the clear happens after their scheduled firing time).
|
| + var counter = 0
|
| +
|
| + function extend(e) {
|
| + var curCount = ++counter
|
| + var cur = posFromMouse(cm, e, true, type == "rect")
|
| + if (!cur) { return }
|
| + if (cmp(cur, lastPos) != 0) {
|
| + cm.curOp.focus = activeElt()
|
| + extendTo(cur)
|
| + var visible = visibleLines(display, doc)
|
| + if (cur.line >= visible.to || cur.line < visible.from)
|
| + { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e) }}), 150) }
|
| + } else {
|
| + var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0
|
| + if (outside) { setTimeout(operation(cm, function () {
|
| + if (counter != curCount) { return }
|
| + display.scroller.scrollTop += outside
|
| + extend(e)
|
| + }), 50) }
|
| + }
|
| + }
|
| +
|
| + function done(e) {
|
| + cm.state.selectingText = false
|
| + counter = Infinity
|
| + e_preventDefault(e)
|
| + display.input.focus()
|
| + off(document, "mousemove", move)
|
| + off(document, "mouseup", up)
|
| + doc.history.lastSelOrigin = null
|
| + }
|
| +
|
| + var move = operation(cm, function (e) {
|
| + if (!e_button(e)) { done(e) }
|
| + else { extend(e) }
|
| + })
|
| + var up = operation(cm, done)
|
| + cm.state.selectingText = up
|
| + on(document, "mousemove", move)
|
| + on(document, "mouseup", up)
|
| +}
|
| +
|
| +
|
| +// Determines whether an event happened in the gutter, and fires the
|
| +// handlers for the corresponding event.
|
| +function gutterEvent(cm, e, type, prevent) {
|
| + var mX, mY
|
| + try { mX = e.clientX; mY = e.clientY }
|
| + catch(e) { return false }
|
| + if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }
|
| + if (prevent) { e_preventDefault(e) }
|
| +
|
| + var display = cm.display
|
| + var lineBox = display.lineDiv.getBoundingClientRect()
|
| +
|
| + if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }
|
| + mY -= lineBox.top - display.viewOffset
|
| +
|
| + for (var i = 0; i < cm.options.gutters.length; ++i) {
|
| + var g = display.gutters.childNodes[i]
|
| + if (g && g.getBoundingClientRect().right >= mX) {
|
| + var line = lineAtHeight(cm.doc, mY)
|
| + var gutter = cm.options.gutters[i]
|
| + signal(cm, type, cm, line, gutter, e)
|
| + return e_defaultPrevented(e)
|
| + }
|
| + }
|
| +}
|
| +
|
| +function clickInGutter(cm, e) {
|
| + return gutterEvent(cm, e, "gutterClick", true)
|
| +}
|
| +
|
| +// CONTEXT MENU HANDLING
|
| +
|
| +// To make the context menu work, we need to briefly unhide the
|
| +// textarea (making it as unobtrusive as possible) to let the
|
| +// right-click take effect on it.
|
| +function onContextMenu(cm, e) {
|
| + if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }
|
| + if (signalDOMEvent(cm, e, "contextmenu")) { return }
|
| + cm.display.input.onContextMenu(e)
|
| +}
|
| +
|
| +function contextMenuInGutter(cm, e) {
|
| + if (!hasHandler(cm, "gutterContextMenu")) { return false }
|
| + return gutterEvent(cm, e, "gutterContextMenu", false)
|
| +}
|
| +
|
| +function themeChanged(cm) {
|
| + cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
|
| + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-")
|
| + clearCaches(cm)
|
| +}
|
| +
|
| +var Init = {toString: function(){return "CodeMirror.Init"}}
|
| +
|
| +var defaults = {}
|
| +var optionHandlers = {}
|
| +
|
| +function defineOptions(CodeMirror) {
|
| + var optionHandlers = CodeMirror.optionHandlers
|
|
|
| - return result;
|
| - },
|
| + function option(name, deflt, handle, notOnInit) {
|
| + CodeMirror.defaults[name] = deflt
|
| + if (handle) { optionHandlers[name] =
|
| + notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old) }} : handle }
|
| + }
|
|
|
| - showSelection: function(drawn) {
|
| - var cm = this.cm, display = cm.display;
|
| - removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
|
| - removeChildrenAndAdd(display.selectionDiv, drawn.selection);
|
| - if (drawn.teTop != null) {
|
| - this.wrapper.style.top = drawn.teTop + "px";
|
| - this.wrapper.style.left = drawn.teLeft + "px";
|
| - }
|
| - },
|
| + CodeMirror.defineOption = option
|
|
|
| - // Reset the input to correspond to the selection (or to be empty,
|
| - // when not typing and nothing is selected)
|
| - reset: function(typing) {
|
| - if (this.contextMenuPending) return;
|
| - var minimal, selected, cm = this.cm, doc = cm.doc;
|
| - if (cm.somethingSelected()) {
|
| - this.prevInput = "";
|
| - var range = doc.sel.primary();
|
| - minimal = hasCopyEvent &&
|
| - (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000);
|
| - var content = minimal ? "-" : selected || cm.getSelection();
|
| - this.textarea.value = content;
|
| - if (cm.state.focused) selectInput(this.textarea);
|
| - if (ie && ie_version >= 9) this.hasSelection = content;
|
| - } else if (!typing) {
|
| - this.prevInput = this.textarea.value = "";
|
| - if (ie && ie_version >= 9) this.hasSelection = null;
|
| - }
|
| - this.inaccurateSelection = minimal;
|
| - },
|
| + // Passed to option handlers when there is no old value.
|
| + CodeMirror.Init = Init
|
|
|
| - getField: function() { return this.textarea; },
|
| + // These two are, on init, called from the constructor because they
|
| + // have to be initialized before the editor can start at all.
|
| + option("value", "", function (cm, val) { return cm.setValue(val); }, true)
|
| + option("mode", null, function (cm, val) {
|
| + cm.doc.modeOption = val
|
| + loadMode(cm)
|
| + }, true)
|
| +
|
| + option("indentUnit", 2, loadMode, true)
|
| + option("indentWithTabs", false)
|
| + option("smartIndent", true)
|
| + option("tabSize", 4, function (cm) {
|
| + resetModeState(cm)
|
| + clearCaches(cm)
|
| + regChange(cm)
|
| + }, true)
|
| + option("lineSeparator", null, function (cm, val) {
|
| + cm.doc.lineSep = val
|
| + if (!val) { return }
|
| + var newBreaks = [], lineNo = cm.doc.first
|
| + cm.doc.iter(function (line) {
|
| + for (var pos = 0;;) {
|
| + var found = line.text.indexOf(val, pos)
|
| + if (found == -1) { break }
|
| + pos = found + val.length
|
| + newBreaks.push(Pos(lineNo, found))
|
| + }
|
| + lineNo++
|
| + })
|
| + for (var i = newBreaks.length - 1; i >= 0; i--)
|
| + { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) }
|
| + })
|
| + option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g, function (cm, val, old) {
|
| + cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g")
|
| + if (old != Init) { cm.refresh() }
|
| + })
|
| + option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true)
|
| + option("electricChars", true)
|
| + option("inputStyle", mobile ? "contenteditable" : "textarea", function () {
|
| + throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME
|
| + }, true)
|
| + option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true)
|
| + option("rtlMoveVisually", !windows)
|
| + option("wholeLineUpdateBefore", true)
|
| +
|
| + option("theme", "default", function (cm) {
|
| + themeChanged(cm)
|
| + guttersChanged(cm)
|
| + }, true)
|
| + option("keyMap", "default", function (cm, val, old) {
|
| + var next = getKeyMap(val)
|
| + var prev = old != Init && getKeyMap(old)
|
| + if (prev && prev.detach) { prev.detach(cm, next) }
|
| + if (next.attach) { next.attach(cm, prev || null) }
|
| + })
|
| + option("extraKeys", null)
|
| +
|
| + option("lineWrapping", false, wrappingChanged, true)
|
| + option("gutters", [], function (cm) {
|
| + setGuttersForLineNumbers(cm.options)
|
| + guttersChanged(cm)
|
| + }, true)
|
| + option("fixedGutter", true, function (cm, val) {
|
| + cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"
|
| + cm.refresh()
|
| + }, true)
|
| + option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true)
|
| + option("scrollbarStyle", "native", function (cm) {
|
| + initScrollbars(cm)
|
| + updateScrollbars(cm)
|
| + cm.display.scrollbars.setScrollTop(cm.doc.scrollTop)
|
| + cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft)
|
| + }, true)
|
| + option("lineNumbers", false, function (cm) {
|
| + setGuttersForLineNumbers(cm.options)
|
| + guttersChanged(cm)
|
| + }, true)
|
| + option("firstLineNumber", 1, guttersChanged, true)
|
| + option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true)
|
| + option("showCursorWhenSelecting", false, updateSelection, true)
|
| +
|
| + option("resetSelectionOnContextMenu", true)
|
| + option("lineWiseCopyCut", true)
|
| +
|
| + option("readOnly", false, function (cm, val) {
|
| + if (val == "nocursor") {
|
| + onBlur(cm)
|
| + cm.display.input.blur()
|
| + cm.display.disabled = true
|
| + } else {
|
| + cm.display.disabled = false
|
| + }
|
| + cm.display.input.readOnlyChanged(val)
|
| + })
|
| + option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset() }}, true)
|
| + option("dragDrop", true, dragDropChanged)
|
| + option("allowDropFileTypes", null)
|
| +
|
| + option("cursorBlinkRate", 530)
|
| + option("cursorScrollMargin", 0)
|
| + option("cursorHeight", 1, updateSelection, true)
|
| + option("singleCursorHeightPerLine", true, updateSelection, true)
|
| + option("workTime", 100)
|
| + option("workDelay", 100)
|
| + option("flattenSpans", true, resetModeState, true)
|
| + option("addModeClass", false, resetModeState, true)
|
| + option("pollInterval", 100)
|
| + option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; })
|
| + option("historyEventDelay", 1250)
|
| + option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true)
|
| + option("maxHighlightLength", 10000, resetModeState, true)
|
| + option("moveInputWithCursor", true, function (cm, val) {
|
| + if (!val) { cm.display.input.resetPosition() }
|
| + })
|
| +
|
| + option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; })
|
| + option("autofocus", null)
|
| + option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true)
|
| +}
|
| +
|
| +function guttersChanged(cm) {
|
| + updateGutters(cm)
|
| + regChange(cm)
|
| + alignHorizontally(cm)
|
| +}
|
| +
|
| +function dragDropChanged(cm, value, old) {
|
| + var wasOn = old && old != Init
|
| + if (!value != !wasOn) {
|
| + var funcs = cm.display.dragFunctions
|
| + var toggle = value ? on : off
|
| + toggle(cm.display.scroller, "dragstart", funcs.start)
|
| + toggle(cm.display.scroller, "dragenter", funcs.enter)
|
| + toggle(cm.display.scroller, "dragover", funcs.over)
|
| + toggle(cm.display.scroller, "dragleave", funcs.leave)
|
| + toggle(cm.display.scroller, "drop", funcs.drop)
|
| + }
|
| +}
|
| +
|
| +function wrappingChanged(cm) {
|
| + if (cm.options.lineWrapping) {
|
| + addClass(cm.display.wrapper, "CodeMirror-wrap")
|
| + cm.display.sizer.style.minWidth = ""
|
| + cm.display.sizerWidth = null
|
| + } else {
|
| + rmClass(cm.display.wrapper, "CodeMirror-wrap")
|
| + findMaxLine(cm)
|
| + }
|
| + estimateLineHeights(cm)
|
| + regChange(cm)
|
| + clearCaches(cm)
|
| + setTimeout(function () { return updateScrollbars(cm); }, 100)
|
| +}
|
| +
|
| +// A CodeMirror instance represents an editor. This is the object
|
| +// that user code is usually dealing with.
|
| +
|
| +function CodeMirror(place, options) {
|
| + var this$1 = this;
|
| +
|
| + if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) }
|
| +
|
| + this.options = options = options ? copyObj(options) : {}
|
| + // Determine effective options based on given values and defaults.
|
| + copyObj(defaults, options, false)
|
| + setGuttersForLineNumbers(options)
|
| +
|
| + var doc = options.value
|
| + if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction) }
|
| + this.doc = doc
|
| +
|
| + var input = new CodeMirror.inputStyles[options.inputStyle](this)
|
| + var display = this.display = new Display(place, doc, input)
|
| + display.wrapper.CodeMirror = this
|
| + updateGutters(this)
|
| + themeChanged(this)
|
| + if (options.lineWrapping)
|
| + { this.display.wrapper.className += " CodeMirror-wrap" }
|
| + initScrollbars(this)
|
| +
|
| + this.state = {
|
| + keyMaps: [], // stores maps added by addKeyMap
|
| + overlays: [], // highlighting overlays, as added by addOverlay
|
| + modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info
|
| + overwrite: false,
|
| + delayingBlurEvent: false,
|
| + focused: false,
|
| + suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
|
| + pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll
|
| + selectingText: false,
|
| + draggingText: false,
|
| + highlight: new Delayed(), // stores highlight worker timeout
|
| + keySeq: null, // Unfinished key sequence
|
| + specialChars: null
|
| + }
|
| +
|
| + if (options.autofocus && !mobile) { display.input.focus() }
|
| +
|
| + // Override magic textarea content restore that IE sometimes does
|
| + // on our hidden textarea on reload
|
| + if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20) }
|
| +
|
| + registerEventHandlers(this)
|
| + ensureGlobalHandlers()
|
| +
|
| + startOperation(this)
|
| + this.curOp.forceUpdate = true
|
| + attachDoc(this, doc)
|
| +
|
| + if ((options.autofocus && !mobile) || this.hasFocus())
|
| + { setTimeout(bind(onFocus, this), 20) }
|
| + else
|
| + { onBlur(this) }
|
| +
|
| + for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))
|
| + { optionHandlers[opt](this$1, options[opt], Init) } }
|
| + maybeUpdateLineNumberWidth(this)
|
| + if (options.finishInit) { options.finishInit(this) }
|
| + for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1) }
|
| + endOperation(this)
|
| + // Suppress optimizelegibility in Webkit, since it breaks text
|
| + // measuring on line wrapping boundaries.
|
| + if (webkit && options.lineWrapping &&
|
| + getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
|
| + { display.lineDiv.style.textRendering = "auto" }
|
| +}
|
| +
|
| +// The default configuration options.
|
| +CodeMirror.defaults = defaults
|
| +// Functions to run when options are changed.
|
| +CodeMirror.optionHandlers = optionHandlers
|
| +
|
| +// Attach the necessary event handlers when initializing the editor
|
| +function registerEventHandlers(cm) {
|
| + var d = cm.display
|
| + on(d.scroller, "mousedown", operation(cm, onMouseDown))
|
| + // Older IE's will not fire a second mousedown for a double click
|
| + if (ie && ie_version < 11)
|
| + { on(d.scroller, "dblclick", operation(cm, function (e) {
|
| + if (signalDOMEvent(cm, e)) { return }
|
| + var pos = posFromMouse(cm, e)
|
| + if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }
|
| + e_preventDefault(e)
|
| + var word = cm.findWordAt(pos)
|
| + extendSelection(cm.doc, word.anchor, word.head)
|
| + })) }
|
| + else
|
| + { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }) }
|
| + // Some browsers fire contextmenu *after* opening the menu, at
|
| + // which point we can't mess with it anymore. Context menu is
|
| + // handled in onMouseDown for these browsers.
|
| + if (!captureRightClick) { on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }) }
|
| +
|
| + // Used to suppress mouse event handling when a touch happens
|
| + var touchFinished, prevTouch = {end: 0}
|
| + function finishTouch() {
|
| + if (d.activeTouch) {
|
| + touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000)
|
| + prevTouch = d.activeTouch
|
| + prevTouch.end = +new Date
|
| + }
|
| + }
|
| + function isMouseLikeTouchEvent(e) {
|
| + if (e.touches.length != 1) { return false }
|
| + var touch = e.touches[0]
|
| + return touch.radiusX <= 1 && touch.radiusY <= 1
|
| + }
|
| + function farAway(touch, other) {
|
| + if (other.left == null) { return true }
|
| + var dx = other.left - touch.left, dy = other.top - touch.top
|
| + return dx * dx + dy * dy > 20 * 20
|
| + }
|
| + on(d.scroller, "touchstart", function (e) {
|
| + if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) {
|
| + d.input.ensurePolled()
|
| + clearTimeout(touchFinished)
|
| + var now = +new Date
|
| + d.activeTouch = {start: now, moved: false,
|
| + prev: now - prevTouch.end <= 300 ? prevTouch : null}
|
| + if (e.touches.length == 1) {
|
| + d.activeTouch.left = e.touches[0].pageX
|
| + d.activeTouch.top = e.touches[0].pageY
|
| + }
|
| + }
|
| + })
|
| + on(d.scroller, "touchmove", function () {
|
| + if (d.activeTouch) { d.activeTouch.moved = true }
|
| + })
|
| + on(d.scroller, "touchend", function (e) {
|
| + var touch = d.activeTouch
|
| + if (touch && !eventInWidget(d, e) && touch.left != null &&
|
| + !touch.moved && new Date - touch.start < 300) {
|
| + var pos = cm.coordsChar(d.activeTouch, "page"), range
|
| + if (!touch.prev || farAway(touch, touch.prev)) // Single tap
|
| + { range = new Range(pos, pos) }
|
| + else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
|
| + { range = cm.findWordAt(pos) }
|
| + else // Triple tap
|
| + { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }
|
| + cm.setSelection(range.anchor, range.head)
|
| + cm.focus()
|
| + e_preventDefault(e)
|
| + }
|
| + finishTouch()
|
| + })
|
| + on(d.scroller, "touchcancel", finishTouch)
|
| +
|
| + // Sync scrolling between fake scrollbars and real scrollable
|
| + // area, ensure viewport is updated when scrolling.
|
| + on(d.scroller, "scroll", function () {
|
| + if (d.scroller.clientHeight) {
|
| + setScrollTop(cm, d.scroller.scrollTop)
|
| + setScrollLeft(cm, d.scroller.scrollLeft, true)
|
| + signal(cm, "scroll", cm)
|
| + }
|
| + })
|
| +
|
| + // Listen to wheel events in order to try and update the viewport on time.
|
| + on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); })
|
| + on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); })
|
| +
|
| + // Prevent wrapper from ever scrolling
|
| + on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; })
|
| +
|
| + d.dragFunctions = {
|
| + enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e) }},
|
| + over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e) }},
|
| + start: function (e) { return onDragStart(cm, e); },
|
| + drop: operation(cm, onDrop),
|
| + leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm) }}
|
| + }
|
| +
|
| + var inp = d.input.getField()
|
| + on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); })
|
| + on(inp, "keydown", operation(cm, onKeyDown))
|
| + on(inp, "keypress", operation(cm, onKeyPress))
|
| + on(inp, "focus", function (e) { return onFocus(cm, e); })
|
| + on(inp, "blur", function (e) { return onBlur(cm, e); })
|
| +}
|
| +
|
| +var initHooks = []
|
| +CodeMirror.defineInitHook = function (f) { return initHooks.push(f); }
|
| +
|
| +// Indent the given line. The how parameter can be "smart",
|
| +// "add"/null, "subtract", or "prev". When aggressive is false
|
| +// (typically set to true for forced single-line indents), empty
|
| +// lines are not indented, and places where the mode returns Pass
|
| +// are left alone.
|
| +function indentLine(cm, n, how, aggressive) {
|
| + var doc = cm.doc, state
|
| + if (how == null) { how = "add" }
|
| + if (how == "smart") {
|
| + // Fall back to "prev" when the mode doesn't have an indentation
|
| + // method.
|
| + if (!doc.mode.indent) { how = "prev" }
|
| + else { state = getStateBefore(cm, n) }
|
| + }
|
| +
|
| + var tabSize = cm.options.tabSize
|
| + var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize)
|
| + if (line.stateAfter) { line.stateAfter = null }
|
| + var curSpaceString = line.text.match(/^\s*/)[0], indentation
|
| + if (!aggressive && !/\S/.test(line.text)) {
|
| + indentation = 0
|
| + how = "not"
|
| + } else if (how == "smart") {
|
| + indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text)
|
| + if (indentation == Pass || indentation > 150) {
|
| + if (!aggressive) { return }
|
| + how = "prev"
|
| + }
|
| + }
|
| + if (how == "prev") {
|
| + if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize) }
|
| + else { indentation = 0 }
|
| + } else if (how == "add") {
|
| + indentation = curSpace + cm.options.indentUnit
|
| + } else if (how == "subtract") {
|
| + indentation = curSpace - cm.options.indentUnit
|
| + } else if (typeof how == "number") {
|
| + indentation = curSpace + how
|
| + }
|
| + indentation = Math.max(0, indentation)
|
| +
|
| + var indentString = "", pos = 0
|
| + if (cm.options.indentWithTabs)
|
| + { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t"} }
|
| + if (pos < indentation) { indentString += spaceStr(indentation - pos) }
|
| +
|
| + if (indentString != curSpaceString) {
|
| + replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input")
|
| + line.stateAfter = null
|
| + return true
|
| + } else {
|
| + // Ensure that, if the cursor was in the whitespace at the start
|
| + // of the line, it is moved to the end of that space.
|
| + for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {
|
| + var range = doc.sel.ranges[i$1]
|
| + if (range.head.line == n && range.head.ch < curSpaceString.length) {
|
| + var pos$1 = Pos(n, curSpaceString.length)
|
| + replaceOneSelection(doc, i$1, new Range(pos$1, pos$1))
|
| + break
|
| + }
|
| + }
|
| + }
|
| +}
|
| +
|
| +// This will be set to a {lineWise: bool, text: [string]} object, so
|
| +// that, when pasting, we know what kind of selections the copied
|
| +// text was made out of.
|
| +var lastCopied = null
|
| +
|
| +function setLastCopied(newLastCopied) {
|
| + lastCopied = newLastCopied
|
| +}
|
| +
|
| +function applyTextInput(cm, inserted, deleted, sel, origin) {
|
| + var doc = cm.doc
|
| + cm.display.shift = false
|
| + if (!sel) { sel = doc.sel }
|
| +
|
| + var paste = cm.state.pasteIncoming || origin == "paste"
|
| + var textLines = splitLinesAuto(inserted), multiPaste = null
|
| + // When pasing N lines into N selections, insert one line per selection
|
| + if (paste && sel.ranges.length > 1) {
|
| + if (lastCopied && lastCopied.text.join("\n") == inserted) {
|
| + if (sel.ranges.length % lastCopied.text.length == 0) {
|
| + multiPaste = []
|
| + for (var i = 0; i < lastCopied.text.length; i++)
|
| + { multiPaste.push(doc.splitLines(lastCopied.text[i])) }
|
| + }
|
| + } else if (textLines.length == sel.ranges.length) {
|
| + multiPaste = map(textLines, function (l) { return [l]; })
|
| + }
|
| + }
|
| +
|
| + var updateInput
|
| + // Normal behavior is to insert the new text into every selection
|
| + for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {
|
| + var range = sel.ranges[i$1]
|
| + var from = range.from(), to = range.to()
|
| + if (range.empty()) {
|
| + if (deleted && deleted > 0) // Handle deletion
|
| + { from = Pos(from.line, from.ch - deleted) }
|
| + else if (cm.state.overwrite && !paste) // Handle overwrite
|
| + { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)) }
|
| + else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted)
|
| + { from = to = Pos(from.line, 0) }
|
| + }
|
| + updateInput = cm.curOp.updateInput
|
| + var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,
|
| + origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}
|
| + makeChange(cm.doc, changeEvent)
|
| + signalLater(cm, "inputRead", cm, changeEvent)
|
| + }
|
| + if (inserted && !paste)
|
| + { triggerElectric(cm, inserted) }
|
| +
|
| + ensureCursorVisible(cm)
|
| + cm.curOp.updateInput = updateInput
|
| + cm.curOp.typing = true
|
| + cm.state.pasteIncoming = cm.state.cutIncoming = false
|
| +}
|
| +
|
| +function handlePaste(e, cm) {
|
| + var pasted = e.clipboardData && e.clipboardData.getData("Text")
|
| + if (pasted) {
|
| + e.preventDefault()
|
| + if (!cm.isReadOnly() && !cm.options.disableInput)
|
| + { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }) }
|
| + return true
|
| + }
|
| +}
|
| +
|
| +function triggerElectric(cm, inserted) {
|
| + // When an 'electric' character is inserted, immediately trigger a reindent
|
| + if (!cm.options.electricChars || !cm.options.smartIndent) { return }
|
| + var sel = cm.doc.sel
|
| +
|
| + for (var i = sel.ranges.length - 1; i >= 0; i--) {
|
| + var range = sel.ranges[i]
|
| + if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) { continue }
|
| + var mode = cm.getModeAt(range.head)
|
| + var indented = false
|
| + if (mode.electricChars) {
|
| + for (var j = 0; j < mode.electricChars.length; j++)
|
| + { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
|
| + indented = indentLine(cm, range.head.line, "smart")
|
| + break
|
| + } }
|
| + } else if (mode.electricInput) {
|
| + if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch)))
|
| + { indented = indentLine(cm, range.head.line, "smart") }
|
| + }
|
| + if (indented) { signalLater(cm, "electricInput", cm, range.head.line) }
|
| + }
|
| +}
|
| +
|
| +function copyableRanges(cm) {
|
| + var text = [], ranges = []
|
| + for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
|
| + var line = cm.doc.sel.ranges[i].head.line
|
| + var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}
|
| + ranges.push(lineRange)
|
| + text.push(cm.getRange(lineRange.anchor, lineRange.head))
|
| + }
|
| + return {text: text, ranges: ranges}
|
| +}
|
| +
|
| +function disableBrowserMagic(field, spellcheck) {
|
| + field.setAttribute("autocorrect", "off")
|
| + field.setAttribute("autocapitalize", "off")
|
| + field.setAttribute("spellcheck", !!spellcheck)
|
| +}
|
| +
|
| +function hiddenTextarea() {
|
| + var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none")
|
| + var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;")
|
| + // The textarea is kept positioned near the cursor to prevent the
|
| + // fact that it'll be scrolled into view on input from scrolling
|
| + // our fake cursor out of view. On webkit, when wrap=off, paste is
|
| + // very slow. So make the area wide instead.
|
| + if (webkit) { te.style.width = "1000px" }
|
| + else { te.setAttribute("wrap", "off") }
|
| + // If border: 0; -- iOS fails to open keyboard (issue #1287)
|
| + if (ios) { te.style.border = "1px solid black" }
|
| + disableBrowserMagic(te)
|
| + return div
|
| +}
|
| +
|
| +// The publicly visible API. Note that methodOp(f) means
|
| +// 'wrap f in an operation, performed on its `this` parameter'.
|
| +
|
| +// This is not the complete set of editor methods. Most of the
|
| +// methods defined on the Doc type are also injected into
|
| +// CodeMirror.prototype, for backwards compatibility and
|
| +// convenience.
|
| +
|
| +function addEditorMethods(CodeMirror) {
|
| + var optionHandlers = CodeMirror.optionHandlers
|
| +
|
| + var helpers = CodeMirror.helpers = {}
|
|
|
| - supportsTouch: function() { return false; },
|
| + CodeMirror.prototype = {
|
| + constructor: CodeMirror,
|
| + focus: function(){window.focus(); this.display.input.focus()},
|
|
|
| - focus: function() {
|
| - if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
|
| - try { this.textarea.focus(); }
|
| - catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
|
| - }
|
| + setOption: function(option, value) {
|
| + var options = this.options, old = options[option]
|
| + if (options[option] == value && option != "mode") { return }
|
| + options[option] = value
|
| + if (optionHandlers.hasOwnProperty(option))
|
| + { operation(this, optionHandlers[option])(this, value, old) }
|
| + signal(this, "optionChange", this, option)
|
| },
|
|
|
| - blur: function() { this.textarea.blur(); },
|
| + getOption: function(option) {return this.options[option]},
|
| + getDoc: function() {return this.doc},
|
|
|
| - resetPosition: function() {
|
| - this.wrapper.style.top = this.wrapper.style.left = 0;
|
| + addKeyMap: function(map, bottom) {
|
| + this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map))
|
| },
|
| -
|
| - receivedFocus: function() { this.slowPoll(); },
|
| -
|
| - // Poll for input changes, using the normal rate of polling. This
|
| - // runs as long as the editor is focused.
|
| - slowPoll: function() {
|
| - var input = this;
|
| - if (input.pollingFast) return;
|
| - input.polling.set(this.cm.options.pollInterval, function() {
|
| - input.poll();
|
| - if (input.cm.state.focused) input.slowPoll();
|
| - });
|
| + removeKeyMap: function(map) {
|
| + var maps = this.state.keyMaps
|
| + for (var i = 0; i < maps.length; ++i)
|
| + { if (maps[i] == map || maps[i].name == map) {
|
| + maps.splice(i, 1)
|
| + return true
|
| + } }
|
| },
|
|
|
| - // When an event has just come in that is likely to add or change
|
| - // something in the input textarea, we poll faster, to ensure that
|
| - // the change appears on the screen quickly.
|
| - fastPoll: function() {
|
| - var missed = false, input = this;
|
| - input.pollingFast = true;
|
| - function p() {
|
| - var changed = input.poll();
|
| - if (!changed && !missed) {missed = true; input.polling.set(60, p);}
|
| - else {input.pollingFast = false; input.slowPoll();}
|
| - }
|
| - input.polling.set(20, p);
|
| - },
|
| + addOverlay: methodOp(function(spec, options) {
|
| + var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec)
|
| + if (mode.startState) { throw new Error("Overlays may not be stateful.") }
|
| + insertSorted(this.state.overlays,
|
| + {mode: mode, modeSpec: spec, opaque: options && options.opaque,
|
| + priority: (options && options.priority) || 0},
|
| + function (overlay) { return overlay.priority; })
|
| + this.state.modeGen++
|
| + regChange(this)
|
| + }),
|
| + removeOverlay: methodOp(function(spec) {
|
| + var this$1 = this;
|
|
|
| - // Read input from the textarea, and update the document to match.
|
| - // When something is selected, it is present in the textarea, and
|
| - // selected (unless it is huge, in which case a placeholder is
|
| - // used). When nothing is selected, the cursor sits after previously
|
| - // seen text (can be empty), which is stored in prevInput (we must
|
| - // not reset the textarea when typing, because that breaks IME).
|
| - poll: function() {
|
| - var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
|
| - // Since this is called a *lot*, try to bail out as cheaply as
|
| - // possible when it is clear that nothing happened. hasSelection
|
| - // will be the case when there is a lot of text in the textarea,
|
| - // in which case reading its value would be expensive.
|
| - if (this.contextMenuPending || !cm.state.focused ||
|
| - (hasSelection(input) && !prevInput && !this.composing) ||
|
| - cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
|
| - return false;
|
| -
|
| - var text = input.value;
|
| - // If nothing changed, bail.
|
| - if (text == prevInput && !cm.somethingSelected()) return false;
|
| - // Work around nonsensical selection resetting in IE9/10, and
|
| - // inexplicable appearance of private area unicode characters on
|
| - // some key combos in Mac (#2689).
|
| - if (ie && ie_version >= 9 && this.hasSelection === text ||
|
| - mac && /[\uf700-\uf7ff]/.test(text)) {
|
| - cm.display.input.reset();
|
| - return false;
|
| + var overlays = this.state.overlays
|
| + for (var i = 0; i < overlays.length; ++i) {
|
| + var cur = overlays[i].modeSpec
|
| + if (cur == spec || typeof spec == "string" && cur.name == spec) {
|
| + overlays.splice(i, 1)
|
| + this$1.state.modeGen++
|
| + regChange(this$1)
|
| + return
|
| + }
|
| }
|
| + }),
|
|
|
| - if (cm.doc.sel == cm.display.selForContextMenu) {
|
| - var first = text.charCodeAt(0);
|
| - if (first == 0x200b && !prevInput) prevInput = "\u200b";
|
| - if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); }
|
| + indentLine: methodOp(function(n, dir, aggressive) {
|
| + if (typeof dir != "string" && typeof dir != "number") {
|
| + if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev" }
|
| + else { dir = dir ? "add" : "subtract" }
|
| }
|
| - // Find the part of the input that is actually new
|
| - var same = 0, l = Math.min(prevInput.length, text.length);
|
| - while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same;
|
| -
|
| - var self = this;
|
| - runInOp(cm, function() {
|
| - applyTextInput(cm, text.slice(same), prevInput.length - same,
|
| - null, self.composing ? "*compose" : null);
|
| -
|
| - // Don't leave long text in the textarea, since it makes further polling slow
|
| - if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = "";
|
| - else self.prevInput = text;
|
| -
|
| - if (self.composing) {
|
| - self.composing.range.clear();
|
| - self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"),
|
| - {className: "CodeMirror-composing"});
|
| - }
|
| - });
|
| - return true;
|
| - },
|
| -
|
| - ensurePolled: function() {
|
| - if (this.pollingFast && this.poll()) this.pollingFast = false;
|
| - },
|
| -
|
| - onKeyPress: function() {
|
| - if (ie && ie_version >= 9) this.hasSelection = null;
|
| - this.fastPoll();
|
| - },
|
| + if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive) }
|
| + }),
|
| + indentSelection: methodOp(function(how) {
|
| + var this$1 = this;
|
|
|
| - onContextMenu: function(e) {
|
| - var input = this, cm = input.cm, display = cm.display, te = input.textarea;
|
| - var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
|
| - if (!pos || presto) return; // Opera is difficult.
|
| -
|
| - // Reset the current text selection only if the click is done outside of the selection
|
| - // and 'resetSelectionOnContextMenu' option is true.
|
| - var reset = cm.options.resetSelectionOnContextMenu;
|
| - if (reset && cm.doc.sel.contains(pos) == -1)
|
| - operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll);
|
| -
|
| - var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;
|
| - input.wrapper.style.cssText = "position: absolute"
|
| - var wrapperBox = input.wrapper.getBoundingClientRect()
|
| - te.style.cssText = "position: absolute; width: 30px; height: 30px; top: " + (e.clientY - wrapperBox.top - 5) +
|
| - "px; left: " + (e.clientX - wrapperBox.left - 5) + "px; z-index: 1000; background: " +
|
| - (ie ? "rgba(255, 255, 255, .05)" : "transparent") +
|
| - "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
|
| - if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712)
|
| - display.input.focus();
|
| - if (webkit) window.scrollTo(null, oldScrollY);
|
| - display.input.reset();
|
| - // Adds "Select all" to context menu in FF
|
| - if (!cm.somethingSelected()) te.value = input.prevInput = " ";
|
| - input.contextMenuPending = true;
|
| - display.selForContextMenu = cm.doc.sel;
|
| - clearTimeout(display.detectingSelectAll);
|
| -
|
| - // Select-all will be greyed out if there's nothing to select, so
|
| - // this adds a zero-width space so that we can later check whether
|
| - // it got selected.
|
| - function prepareSelectAllHack() {
|
| - if (te.selectionStart != null) {
|
| - var selected = cm.somethingSelected();
|
| - var extval = "\u200b" + (selected ? te.value : "");
|
| - te.value = "\u21da"; // Used to catch context-menu undo
|
| - te.value = extval;
|
| - input.prevInput = selected ? "" : "\u200b";
|
| - te.selectionStart = 1; te.selectionEnd = extval.length;
|
| - // Re-set this, in case some other handler touched the
|
| - // selection in the meantime.
|
| - display.selForContextMenu = cm.doc.sel;
|
| - }
|
| - }
|
| - function rehide() {
|
| - input.contextMenuPending = false;
|
| - input.wrapper.style.cssText = oldWrapperCSS
|
| - te.style.cssText = oldCSS;
|
| - if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos);
|
| -
|
| - // Try to detect the user choosing select-all
|
| - if (te.selectionStart != null) {
|
| - if (!ie || (ie && ie_version < 9)) prepareSelectAllHack();
|
| - var i = 0, poll = function() {
|
| - if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
|
| - te.selectionEnd > 0 && input.prevInput == "\u200b")
|
| - operation(cm, commands.selectAll)(cm);
|
| - else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500);
|
| - else display.input.reset();
|
| - };
|
| - display.detectingSelectAll = setTimeout(poll, 200);
|
| + var ranges = this.doc.sel.ranges, end = -1
|
| + for (var i = 0; i < ranges.length; i++) {
|
| + var range = ranges[i]
|
| + if (!range.empty()) {
|
| + var from = range.from(), to = range.to()
|
| + var start = Math.max(end, from.line)
|
| + end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1
|
| + for (var j = start; j < end; ++j)
|
| + { indentLine(this$1, j, how) }
|
| + var newRanges = this$1.doc.sel.ranges
|
| + if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
|
| + { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll) }
|
| + } else if (range.head.line > end) {
|
| + indentLine(this$1, range.head.line, how, true)
|
| + end = range.head.line
|
| + if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1) }
|
| }
|
| }
|
| + }),
|
|
|
| - if (ie && ie_version >= 9) prepareSelectAllHack();
|
| - if (captureRightClick) {
|
| - e_stop(e);
|
| - var mouseup = function() {
|
| - off(window, "mouseup", mouseup);
|
| - setTimeout(rehide, 20);
|
| - };
|
| - on(window, "mouseup", mouseup);
|
| - } else {
|
| - setTimeout(rehide, 50);
|
| - }
|
| + // Fetch the parser token for a given character. Useful for hacks
|
| + // that want to inspect the mode state (say, for completion).
|
| + getTokenAt: function(pos, precise) {
|
| + return takeToken(this, pos, precise)
|
| },
|
|
|
| - readOnlyChanged: function(val) {
|
| - if (!val) this.reset();
|
| + getLineTokens: function(line, precise) {
|
| + return takeToken(this, Pos(line), precise, true)
|
| },
|
|
|
| - setUneditable: nothing,
|
| -
|
| - needsContentAttribute: false
|
| - }, TextareaInput.prototype);
|
| -
|
| - // CONTENTEDITABLE INPUT STYLE
|
| -
|
| - function ContentEditableInput(cm) {
|
| - this.cm = cm;
|
| - this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
|
| - this.polling = new Delayed();
|
| - this.gracePeriod = false;
|
| - }
|
| -
|
| - ContentEditableInput.prototype = copyObj({
|
| - init: function(display) {
|
| - var input = this, cm = input.cm;
|
| - var div = input.div = display.lineDiv;
|
| - disableBrowserMagic(div);
|
| -
|
| - on(div, "paste", function(e) {
|
| - if (!signalDOMEvent(cm, e)) handlePaste(e, cm);
|
| - })
|
| -
|
| - on(div, "compositionstart", function(e) {
|
| - var data = e.data;
|
| - input.composing = {sel: cm.doc.sel, data: data, startData: data};
|
| - if (!data) return;
|
| - var prim = cm.doc.sel.primary();
|
| - var line = cm.getLine(prim.head.line);
|
| - var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length));
|
| - if (found > -1 && found <= prim.head.ch)
|
| - input.composing.sel = simpleSelection(Pos(prim.head.line, found),
|
| - Pos(prim.head.line, found + data.length));
|
| - });
|
| - on(div, "compositionupdate", function(e) {
|
| - input.composing.data = e.data;
|
| - });
|
| - on(div, "compositionend", function(e) {
|
| - var ours = input.composing;
|
| - if (!ours) return;
|
| - if (e.data != ours.startData && !/\u200b/.test(e.data))
|
| - ours.data = e.data;
|
| - // Need a small delay to prevent other code (input event,
|
| - // selection polling) from doing damage when fired right after
|
| - // compositionend.
|
| - setTimeout(function() {
|
| - if (!ours.handled)
|
| - input.applyComposition(ours);
|
| - if (input.composing == ours)
|
| - input.composing = null;
|
| - }, 50);
|
| - });
|
| -
|
| - on(div, "touchstart", function() {
|
| - input.forceCompositionEnd();
|
| - });
|
| -
|
| - on(div, "input", function() {
|
| - if (input.composing) return;
|
| - if (cm.isReadOnly() || !input.pollContent())
|
| - runInOp(input.cm, function() {regChange(cm);});
|
| - });
|
| -
|
| - function onCopyCut(e) {
|
| - if (signalDOMEvent(cm, e)) return
|
| - if (cm.somethingSelected()) {
|
| - lastCopied = {lineWise: false, text: cm.getSelections()};
|
| - if (e.type == "cut") cm.replaceSelection("", null, "cut");
|
| - } else if (!cm.options.lineWiseCopyCut) {
|
| - return;
|
| - } else {
|
| - var ranges = copyableRanges(cm);
|
| - lastCopied = {lineWise: true, text: ranges.text};
|
| - if (e.type == "cut") {
|
| - cm.operation(function() {
|
| - cm.setSelections(ranges.ranges, 0, sel_dontScroll);
|
| - cm.replaceSelection("", null, "cut");
|
| - });
|
| - }
|
| - }
|
| - // iOS exposes the clipboard API, but seems to discard content inserted into it
|
| - if (e.clipboardData && !ios) {
|
| - e.preventDefault();
|
| - e.clipboardData.clearData();
|
| - e.clipboardData.setData("text/plain", lastCopied.text.join("\n"));
|
| - } else {
|
| - // Old-fashioned briefly-focus-a-textarea hack
|
| - var kludge = hiddenTextarea(), te = kludge.firstChild;
|
| - cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
|
| - te.value = lastCopied.text.join("\n");
|
| - var hadFocus = document.activeElement;
|
| - selectInput(te);
|
| - setTimeout(function() {
|
| - cm.display.lineSpace.removeChild(kludge);
|
| - hadFocus.focus();
|
| - }, 50);
|
| - }
|
| - }
|
| - on(div, "copy", onCopyCut);
|
| - on(div, "cut", onCopyCut);
|
| + getTokenTypeAt: function(pos) {
|
| + pos = clipPos(this.doc, pos)
|
| + var styles = getLineStyles(this, getLine(this.doc, pos.line))
|
| + var before = 0, after = (styles.length - 1) / 2, ch = pos.ch
|
| + var type
|
| + if (ch == 0) { type = styles[2] }
|
| + else { for (;;) {
|
| + var mid = (before + after) >> 1
|
| + if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid }
|
| + else if (styles[mid * 2 + 1] < ch) { before = mid + 1 }
|
| + else { type = styles[mid * 2 + 2]; break }
|
| + } }
|
| + var cut = type ? type.indexOf("overlay ") : -1
|
| + return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)
|
| },
|
|
|
| - prepareSelection: function() {
|
| - var result = prepareSelection(this.cm, false);
|
| - result.focus = this.cm.state.focused;
|
| - return result;
|
| + getModeAt: function(pos) {
|
| + var mode = this.doc.mode
|
| + if (!mode.innerMode) { return mode }
|
| + return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode
|
| },
|
|
|
| - showSelection: function(info, takeFocus) {
|
| - if (!info || !this.cm.display.view.length) return;
|
| - if (info.focus || takeFocus) this.showPrimarySelection();
|
| - this.showMultipleSelections(info);
|
| + getHelper: function(pos, type) {
|
| + return this.getHelpers(pos, type)[0]
|
| },
|
|
|
| - showPrimarySelection: function() {
|
| - var sel = window.getSelection(), prim = this.cm.doc.sel.primary();
|
| - var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset);
|
| - var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset);
|
| - if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
|
| - cmp(minPos(curAnchor, curFocus), prim.from()) == 0 &&
|
| - cmp(maxPos(curAnchor, curFocus), prim.to()) == 0)
|
| - return;
|
| -
|
| - var start = posToDOM(this.cm, prim.from());
|
| - var end = posToDOM(this.cm, prim.to());
|
| - if (!start && !end) return;
|
| -
|
| - var view = this.cm.display.view;
|
| - var old = sel.rangeCount && sel.getRangeAt(0);
|
| - if (!start) {
|
| - start = {node: view[0].measure.map[2], offset: 0};
|
| - } else if (!end) { // FIXME dangerously hacky
|
| - var measure = view[view.length - 1].measure;
|
| - var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
|
| - end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]};
|
| - }
|
| + getHelpers: function(pos, type) {
|
| + var this$1 = this;
|
|
|
| - try { var rng = range(start.node, start.offset, end.offset, end.node); }
|
| - catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
|
| - if (rng) {
|
| - if (!gecko && this.cm.state.focused) {
|
| - sel.collapse(start.node, start.offset);
|
| - if (!rng.collapsed) sel.addRange(rng);
|
| - } else {
|
| - sel.removeAllRanges();
|
| - sel.addRange(rng);
|
| + var found = []
|
| + if (!helpers.hasOwnProperty(type)) { return found }
|
| + var help = helpers[type], mode = this.getModeAt(pos)
|
| + if (typeof mode[type] == "string") {
|
| + if (help[mode[type]]) { found.push(help[mode[type]]) }
|
| + } else if (mode[type]) {
|
| + for (var i = 0; i < mode[type].length; i++) {
|
| + var val = help[mode[type][i]]
|
| + if (val) { found.push(val) }
|
| }
|
| - if (old && sel.anchorNode == null) sel.addRange(old);
|
| - else if (gecko) this.startGracePeriod();
|
| + } else if (mode.helperType && help[mode.helperType]) {
|
| + found.push(help[mode.helperType])
|
| + } else if (help[mode.name]) {
|
| + found.push(help[mode.name])
|
| }
|
| - this.rememberSelection();
|
| + for (var i$1 = 0; i$1 < help._global.length; i$1++) {
|
| + var cur = help._global[i$1]
|
| + if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1)
|
| + { found.push(cur.val) }
|
| + }
|
| + return found
|
| },
|
|
|
| - startGracePeriod: function() {
|
| - var input = this;
|
| - clearTimeout(this.gracePeriod);
|
| - this.gracePeriod = setTimeout(function() {
|
| - input.gracePeriod = false;
|
| - if (input.selectionChanged())
|
| - input.cm.operation(function() { input.cm.curOp.selectionChanged = true; });
|
| - }, 20);
|
| + getStateAfter: function(line, precise) {
|
| + var doc = this.doc
|
| + line = clipLine(doc, line == null ? doc.first + doc.size - 1: line)
|
| + return getStateBefore(this, line + 1, precise)
|
| },
|
|
|
| - showMultipleSelections: function(info) {
|
| - removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
|
| - removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
|
| + cursorCoords: function(start, mode) {
|
| + var pos, range = this.doc.sel.primary()
|
| + if (start == null) { pos = range.head }
|
| + else if (typeof start == "object") { pos = clipPos(this.doc, start) }
|
| + else { pos = start ? range.from() : range.to() }
|
| + return cursorCoords(this, pos, mode || "page")
|
| },
|
|
|
| - rememberSelection: function() {
|
| - var sel = window.getSelection();
|
| - this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
|
| - this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
|
| + charCoords: function(pos, mode) {
|
| + return charCoords(this, clipPos(this.doc, pos), mode || "page")
|
| },
|
|
|
| - selectionInEditor: function() {
|
| - var sel = window.getSelection();
|
| - if (!sel.rangeCount) return false;
|
| - var node = sel.getRangeAt(0).commonAncestorContainer;
|
| - return contains(this.div, node);
|
| - },
|
| -
|
| - focus: function() {
|
| - if (this.cm.options.readOnly != "nocursor") this.div.focus();
|
| - },
|
| - blur: function() { this.div.blur(); },
|
| - getField: function() { return this.div; },
|
| -
|
| - supportsTouch: function() { return true; },
|
| -
|
| - receivedFocus: function() {
|
| - var input = this;
|
| - if (this.selectionInEditor())
|
| - this.pollSelection();
|
| - else
|
| - runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; });
|
| -
|
| - function poll() {
|
| - if (input.cm.state.focused) {
|
| - input.pollSelection();
|
| - input.polling.set(input.cm.options.pollInterval, poll);
|
| - }
|
| - }
|
| - this.polling.set(this.cm.options.pollInterval, poll);
|
| - },
|
| -
|
| - selectionChanged: function() {
|
| - var sel = window.getSelection();
|
| - return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
|
| - sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset;
|
| - },
|
| -
|
| - pollSelection: function() {
|
| - if (!this.composing && !this.gracePeriod && this.selectionChanged()) {
|
| - var sel = window.getSelection(), cm = this.cm;
|
| - this.rememberSelection();
|
| - var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
|
| - var head = domToPos(cm, sel.focusNode, sel.focusOffset);
|
| - if (anchor && head) runInOp(cm, function() {
|
| - setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
|
| - if (anchor.bad || head.bad) cm.curOp.selectionChanged = true;
|
| - });
|
| - }
|
| - },
|
| -
|
| - pollContent: function() {
|
| - var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
|
| - var from = sel.from(), to = sel.to();
|
| - if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false;
|
| -
|
| - var fromIndex;
|
| - if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
|
| - var fromLine = lineNo(display.view[0].line);
|
| - var fromNode = display.view[0].node;
|
| - } else {
|
| - var fromLine = lineNo(display.view[fromIndex].line);
|
| - var fromNode = display.view[fromIndex - 1].node.nextSibling;
|
| - }
|
| - var toIndex = findViewIndex(cm, to.line);
|
| - if (toIndex == display.view.length - 1) {
|
| - var toLine = display.viewTo - 1;
|
| - var toNode = display.lineDiv.lastChild;
|
| - } else {
|
| - var toLine = lineNo(display.view[toIndex + 1].line) - 1;
|
| - var toNode = display.view[toIndex + 1].node.previousSibling;
|
| - }
|
| -
|
| - var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
|
| - var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
|
| - while (newText.length > 1 && oldText.length > 1) {
|
| - if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
|
| - else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
|
| - else break;
|
| - }
|
| -
|
| - var cutFront = 0, cutEnd = 0;
|
| - var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
|
| - while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
|
| - ++cutFront;
|
| - var newBot = lst(newText), oldBot = lst(oldText);
|
| - var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
|
| - oldBot.length - (oldText.length == 1 ? cutFront : 0));
|
| - while (cutEnd < maxCutEnd &&
|
| - newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
|
| - ++cutEnd;
|
| -
|
| - newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd);
|
| - newText[0] = newText[0].slice(cutFront);
|
| -
|
| - var chFrom = Pos(fromLine, cutFront);
|
| - var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
|
| - if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
|
| - replaceRange(cm.doc, newText, chFrom, chTo, "+input");
|
| - return true;
|
| - }
|
| - },
|
| -
|
| - ensurePolled: function() {
|
| - this.forceCompositionEnd();
|
| - },
|
| - reset: function() {
|
| - this.forceCompositionEnd();
|
| - },
|
| - forceCompositionEnd: function() {
|
| - if (!this.composing || this.composing.handled) return;
|
| - this.applyComposition(this.composing);
|
| - this.composing.handled = true;
|
| - this.div.blur();
|
| - this.div.focus();
|
| - },
|
| - applyComposition: function(composing) {
|
| - if (this.cm.isReadOnly())
|
| - operation(this.cm, regChange)(this.cm)
|
| - else if (composing.data && composing.data != composing.startData)
|
| - operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel);
|
| - },
|
| -
|
| - setUneditable: function(node) {
|
| - node.contentEditable = "false"
|
| - },
|
| -
|
| - onKeyPress: function(e) {
|
| - e.preventDefault();
|
| - if (!this.cm.isReadOnly())
|
| - operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0);
|
| - },
|
| -
|
| - readOnlyChanged: function(val) {
|
| - this.div.contentEditable = String(val != "nocursor")
|
| - },
|
| -
|
| - onContextMenu: nothing,
|
| - resetPosition: nothing,
|
| -
|
| - needsContentAttribute: true
|
| - }, ContentEditableInput.prototype);
|
| -
|
| - function posToDOM(cm, pos) {
|
| - var view = findViewForLine(cm, pos.line);
|
| - if (!view || view.hidden) return null;
|
| - var line = getLine(cm.doc, pos.line);
|
| - var info = mapFromLineView(view, line, pos.line);
|
| -
|
| - var order = getOrder(line), side = "left";
|
| - if (order) {
|
| - var partPos = getBidiPartAt(order, pos.ch);
|
| - side = partPos % 2 ? "right" : "left";
|
| - }
|
| - var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
|
| - result.offset = result.collapse == "right" ? result.end : result.start;
|
| - return result;
|
| - }
|
| -
|
| - function badPos(pos, bad) { if (bad) pos.bad = true; return pos; }
|
| -
|
| - function domToPos(cm, node, offset) {
|
| - var lineNode;
|
| - if (node == cm.display.lineDiv) {
|
| - lineNode = cm.display.lineDiv.childNodes[offset];
|
| - if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true);
|
| - node = null; offset = 0;
|
| - } else {
|
| - for (lineNode = node;; lineNode = lineNode.parentNode) {
|
| - if (!lineNode || lineNode == cm.display.lineDiv) return null;
|
| - if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break;
|
| - }
|
| - }
|
| - for (var i = 0; i < cm.display.view.length; i++) {
|
| - var lineView = cm.display.view[i];
|
| - if (lineView.node == lineNode)
|
| - return locateNodeInLineView(lineView, node, offset);
|
| - }
|
| - }
|
| -
|
| - function locateNodeInLineView(lineView, node, offset) {
|
| - var wrapper = lineView.text.firstChild, bad = false;
|
| - if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true);
|
| - if (node == wrapper) {
|
| - bad = true;
|
| - node = wrapper.childNodes[offset];
|
| - offset = 0;
|
| - if (!node) {
|
| - var line = lineView.rest ? lst(lineView.rest) : lineView.line;
|
| - return badPos(Pos(lineNo(line), line.text.length), bad);
|
| - }
|
| - }
|
| -
|
| - var textNode = node.nodeType == 3 ? node : null, topNode = node;
|
| - if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
|
| - textNode = node.firstChild;
|
| - if (offset) offset = textNode.nodeValue.length;
|
| - }
|
| - while (topNode.parentNode != wrapper) topNode = topNode.parentNode;
|
| - var measure = lineView.measure, maps = measure.maps;
|
| -
|
| - function find(textNode, topNode, offset) {
|
| - for (var i = -1; i < (maps ? maps.length : 0); i++) {
|
| - var map = i < 0 ? measure.map : maps[i];
|
| - for (var j = 0; j < map.length; j += 3) {
|
| - var curNode = map[j + 2];
|
| - if (curNode == textNode || curNode == topNode) {
|
| - var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
|
| - var ch = map[j] + offset;
|
| - if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)];
|
| - return Pos(line, ch);
|
| - }
|
| - }
|
| - }
|
| - }
|
| - var found = find(textNode, topNode, offset);
|
| - if (found) return badPos(found, bad);
|
| -
|
| - // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
|
| - for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
|
| - found = find(after, after.firstChild, 0);
|
| - if (found)
|
| - return badPos(Pos(found.line, found.ch - dist), bad);
|
| - else
|
| - dist += after.textContent.length;
|
| - }
|
| - for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) {
|
| - found = find(before, before.firstChild, -1);
|
| - if (found)
|
| - return badPos(Pos(found.line, found.ch + dist), bad);
|
| - else
|
| - dist += after.textContent.length;
|
| - }
|
| - }
|
| -
|
| - function domTextBetween(cm, from, to, fromLine, toLine) {
|
| - var text = "", closing = false, lineSep = cm.doc.lineSeparator();
|
| - function recognizeMarker(id) { return function(marker) { return marker.id == id; }; }
|
| - function walk(node) {
|
| - if (node.nodeType == 1) {
|
| - var cmText = node.getAttribute("cm-text");
|
| - if (cmText != null) {
|
| - if (cmText == "") cmText = node.textContent.replace(/\u200b/g, "");
|
| - text += cmText;
|
| - return;
|
| - }
|
| - var markerID = node.getAttribute("cm-marker"), range;
|
| - if (markerID) {
|
| - var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
|
| - if (found.length && (range = found[0].find()))
|
| - text += getBetween(cm.doc, range.from, range.to).join(lineSep);
|
| - return;
|
| - }
|
| - if (node.getAttribute("contenteditable") == "false") return;
|
| - for (var i = 0; i < node.childNodes.length; i++)
|
| - walk(node.childNodes[i]);
|
| - if (/^(pre|div|p)$/i.test(node.nodeName))
|
| - closing = true;
|
| - } else if (node.nodeType == 3) {
|
| - var val = node.nodeValue;
|
| - if (!val) return;
|
| - if (closing) {
|
| - text += lineSep;
|
| - closing = false;
|
| - }
|
| - text += val;
|
| - }
|
| - }
|
| - for (;;) {
|
| - walk(from);
|
| - if (from == to) break;
|
| - from = from.nextSibling;
|
| - }
|
| - return text;
|
| - }
|
| -
|
| - CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};
|
| -
|
| - // SELECTION / CURSOR
|
| -
|
| - // Selection objects are immutable. A new one is created every time
|
| - // the selection changes. A selection is one or more non-overlapping
|
| - // (and non-touching) ranges, sorted, and an integer that indicates
|
| - // which one is the primary selection (the one that's scrolled into
|
| - // view, that getCursor returns, etc).
|
| - function Selection(ranges, primIndex) {
|
| - this.ranges = ranges;
|
| - this.primIndex = primIndex;
|
| - }
|
| -
|
| - Selection.prototype = {
|
| - primary: function() { return this.ranges[this.primIndex]; },
|
| - equals: function(other) {
|
| - if (other == this) return true;
|
| - if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false;
|
| - for (var i = 0; i < this.ranges.length; i++) {
|
| - var here = this.ranges[i], there = other.ranges[i];
|
| - if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false;
|
| - }
|
| - return true;
|
| - },
|
| - deepCopy: function() {
|
| - for (var out = [], i = 0; i < this.ranges.length; i++)
|
| - out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head));
|
| - return new Selection(out, this.primIndex);
|
| - },
|
| - somethingSelected: function() {
|
| - for (var i = 0; i < this.ranges.length; i++)
|
| - if (!this.ranges[i].empty()) return true;
|
| - return false;
|
| - },
|
| - contains: function(pos, end) {
|
| - if (!end) end = pos;
|
| - for (var i = 0; i < this.ranges.length; i++) {
|
| - var range = this.ranges[i];
|
| - if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
|
| - return i;
|
| - }
|
| - return -1;
|
| - }
|
| - };
|
| -
|
| - function Range(anchor, head) {
|
| - this.anchor = anchor; this.head = head;
|
| - }
|
| -
|
| - Range.prototype = {
|
| - from: function() { return minPos(this.anchor, this.head); },
|
| - to: function() { return maxPos(this.anchor, this.head); },
|
| - empty: function() {
|
| - return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch;
|
| - }
|
| - };
|
| -
|
| - // Take an unsorted, potentially overlapping set of ranges, and
|
| - // build a selection out of it. 'Consumes' ranges array (modifying
|
| - // it).
|
| - function normalizeSelection(ranges, primIndex) {
|
| - var prim = ranges[primIndex];
|
| - ranges.sort(function(a, b) { return cmp(a.from(), b.from()); });
|
| - primIndex = indexOf(ranges, prim);
|
| - for (var i = 1; i < ranges.length; i++) {
|
| - var cur = ranges[i], prev = ranges[i - 1];
|
| - if (cmp(prev.to(), cur.from()) >= 0) {
|
| - var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
|
| - var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
|
| - if (i <= primIndex) --primIndex;
|
| - ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
|
| - }
|
| - }
|
| - return new Selection(ranges, primIndex);
|
| - }
|
| -
|
| - function simpleSelection(anchor, head) {
|
| - return new Selection([new Range(anchor, head || anchor)], 0);
|
| - }
|
| -
|
| - // Most of the external API clips given positions to make sure they
|
| - // actually exist within the document.
|
| - function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));}
|
| - function clipPos(doc, pos) {
|
| - if (pos.line < doc.first) return Pos(doc.first, 0);
|
| - var last = doc.first + doc.size - 1;
|
| - if (pos.line > last) return Pos(last, getLine(doc, last).text.length);
|
| - return clipToLen(pos, getLine(doc, pos.line).text.length);
|
| - }
|
| - function clipToLen(pos, linelen) {
|
| - var ch = pos.ch;
|
| - if (ch == null || ch > linelen) return Pos(pos.line, linelen);
|
| - else if (ch < 0) return Pos(pos.line, 0);
|
| - else return pos;
|
| - }
|
| - function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;}
|
| - function clipPosArray(doc, array) {
|
| - for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]);
|
| - return out;
|
| - }
|
| -
|
| - // SELECTION UPDATES
|
| -
|
| - // The 'scroll' parameter given to many of these indicated whether
|
| - // the new cursor position should be scrolled into view after
|
| - // modifying the selection.
|
| -
|
| - // If shift is held or the extend flag is set, extends a range to
|
| - // include a given position (and optionally a second position).
|
| - // Otherwise, simply returns the range between the given positions.
|
| - // Used for cursor motion and such.
|
| - function extendRange(doc, range, head, other) {
|
| - if (doc.cm && doc.cm.display.shift || doc.extend) {
|
| - var anchor = range.anchor;
|
| - if (other) {
|
| - var posBefore = cmp(head, anchor) < 0;
|
| - if (posBefore != (cmp(other, anchor) < 0)) {
|
| - anchor = head;
|
| - head = other;
|
| - } else if (posBefore != (cmp(head, other) < 0)) {
|
| - head = other;
|
| - }
|
| - }
|
| - return new Range(anchor, head);
|
| - } else {
|
| - return new Range(other || head, head);
|
| - }
|
| - }
|
| -
|
| - // Extend the primary selection range, discard the rest.
|
| - function extendSelection(doc, head, other, options) {
|
| - setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options);
|
| - }
|
| -
|
| - // Extend all selections (pos is an array of selections with length
|
| - // equal the number of selections)
|
| - function extendSelections(doc, heads, options) {
|
| - for (var out = [], i = 0; i < doc.sel.ranges.length; i++)
|
| - out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null);
|
| - var newSel = normalizeSelection(out, doc.sel.primIndex);
|
| - setSelection(doc, newSel, options);
|
| - }
|
| -
|
| - // Updates a single range in the selection.
|
| - function replaceOneSelection(doc, i, range, options) {
|
| - var ranges = doc.sel.ranges.slice(0);
|
| - ranges[i] = range;
|
| - setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);
|
| - }
|
| -
|
| - // Reset the selection to a single range.
|
| - function setSimpleSelection(doc, anchor, head, options) {
|
| - setSelection(doc, simpleSelection(anchor, head), options);
|
| - }
|
| -
|
| - // Give beforeSelectionChange handlers a change to influence a
|
| - // selection update.
|
| - function filterSelectionChange(doc, sel, options) {
|
| - var obj = {
|
| - ranges: sel.ranges,
|
| - update: function(ranges) {
|
| - this.ranges = [];
|
| - for (var i = 0; i < ranges.length; i++)
|
| - this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
|
| - clipPos(doc, ranges[i].head));
|
| - },
|
| - origin: options && options.origin
|
| - };
|
| - signal(doc, "beforeSelectionChange", doc, obj);
|
| - if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj);
|
| - if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1);
|
| - else return sel;
|
| - }
|
| -
|
| - function setSelectionReplaceHistory(doc, sel, options) {
|
| - var done = doc.history.done, last = lst(done);
|
| - if (last && last.ranges) {
|
| - done[done.length - 1] = sel;
|
| - setSelectionNoUndo(doc, sel, options);
|
| - } else {
|
| - setSelection(doc, sel, options);
|
| - }
|
| - }
|
| -
|
| - // Set a new selection.
|
| - function setSelection(doc, sel, options) {
|
| - setSelectionNoUndo(doc, sel, options);
|
| - addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
|
| - }
|
| -
|
| - function setSelectionNoUndo(doc, sel, options) {
|
| - if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
|
| - sel = filterSelectionChange(doc, sel, options);
|
| -
|
| - var bias = options && options.bias ||
|
| - (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
|
| - setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
|
| -
|
| - if (!(options && options.scroll === false) && doc.cm)
|
| - ensureCursorVisible(doc.cm);
|
| - }
|
| -
|
| - function setSelectionInner(doc, sel) {
|
| - if (sel.equals(doc.sel)) return;
|
| -
|
| - doc.sel = sel;
|
| -
|
| - if (doc.cm) {
|
| - doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;
|
| - signalCursorActivity(doc.cm);
|
| - }
|
| - signalLater(doc, "cursorActivity", doc);
|
| - }
|
| -
|
| - // Verify that the selection does not partially select any atomic
|
| - // marked ranges.
|
| - function reCheckSelection(doc) {
|
| - setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll);
|
| - }
|
| -
|
| - // Return a selection that does not partially select any atomic
|
| - // ranges.
|
| - function skipAtomicInSelection(doc, sel, bias, mayClear) {
|
| - var out;
|
| - for (var i = 0; i < sel.ranges.length; i++) {
|
| - var range = sel.ranges[i];
|
| - var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
|
| - var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);
|
| - var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);
|
| - if (out || newAnchor != range.anchor || newHead != range.head) {
|
| - if (!out) out = sel.ranges.slice(0, i);
|
| - out[i] = new Range(newAnchor, newHead);
|
| - }
|
| - }
|
| - return out ? normalizeSelection(out, sel.primIndex) : sel;
|
| - }
|
| -
|
| - function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
|
| - var line = getLine(doc, pos.line);
|
| - if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
|
| - var sp = line.markedSpans[i], m = sp.marker;
|
| - if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
|
| - (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
|
| - if (mayClear) {
|
| - signal(m, "beforeCursorEnter");
|
| - if (m.explicitlyCleared) {
|
| - if (!line.markedSpans) break;
|
| - else {--i; continue;}
|
| - }
|
| - }
|
| - if (!m.atomic) continue;
|
| -
|
| - if (oldPos) {
|
| - var near = m.find(dir < 0 ? 1 : -1), diff;
|
| - if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft)
|
| - near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null);
|
| - if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
|
| - return skipAtomicInner(doc, near, pos, dir, mayClear);
|
| - }
|
| -
|
| - var far = m.find(dir < 0 ? -1 : 1);
|
| - if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight)
|
| - far = movePos(doc, far, dir, far.line == pos.line ? line : null);
|
| - return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null;
|
| - }
|
| - }
|
| - return pos;
|
| - }
|
| -
|
| - // Ensure a given position is not inside an atomic range.
|
| - function skipAtomic(doc, pos, oldPos, bias, mayClear) {
|
| - var dir = bias || 1;
|
| - var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
|
| - (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
|
| - skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
|
| - (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));
|
| - if (!found) {
|
| - doc.cantEdit = true;
|
| - return Pos(doc.first, 0);
|
| - }
|
| - return found;
|
| - }
|
| -
|
| - function movePos(doc, pos, dir, line) {
|
| - if (dir < 0 && pos.ch == 0) {
|
| - if (pos.line > doc.first) return clipPos(doc, Pos(pos.line - 1));
|
| - else return null;
|
| - } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
|
| - if (pos.line < doc.first + doc.size - 1) return Pos(pos.line + 1, 0);
|
| - else return null;
|
| - } else {
|
| - return new Pos(pos.line, pos.ch + dir);
|
| - }
|
| - }
|
| -
|
| - // SELECTION DRAWING
|
| -
|
| - function updateSelection(cm) {
|
| - cm.display.input.showSelection(cm.display.input.prepareSelection());
|
| - }
|
| -
|
| - function prepareSelection(cm, primary) {
|
| - var doc = cm.doc, result = {};
|
| - var curFragment = result.cursors = document.createDocumentFragment();
|
| - var selFragment = result.selection = document.createDocumentFragment();
|
| -
|
| - for (var i = 0; i < doc.sel.ranges.length; i++) {
|
| - if (primary === false && i == doc.sel.primIndex) continue;
|
| - var range = doc.sel.ranges[i];
|
| - if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) continue;
|
| - var collapsed = range.empty();
|
| - if (collapsed || cm.options.showCursorWhenSelecting)
|
| - drawSelectionCursor(cm, range.head, curFragment);
|
| - if (!collapsed)
|
| - drawSelectionRange(cm, range, selFragment);
|
| - }
|
| - return result;
|
| - }
|
| -
|
| - // Draws a cursor for the given range
|
| - function drawSelectionCursor(cm, head, output) {
|
| - var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);
|
| -
|
| - var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
|
| - cursor.style.left = pos.left + "px";
|
| - cursor.style.top = pos.top + "px";
|
| - cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
|
| -
|
| - if (pos.other) {
|
| - // Secondary cursor, shown when on a 'jump' in bi-directional text
|
| - var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
|
| - otherCursor.style.display = "";
|
| - otherCursor.style.left = pos.other.left + "px";
|
| - otherCursor.style.top = pos.other.top + "px";
|
| - otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
|
| - }
|
| - }
|
| -
|
| - // Draws the given range as a highlighted selection
|
| - function drawSelectionRange(cm, range, output) {
|
| - var display = cm.display, doc = cm.doc;
|
| - var fragment = document.createDocumentFragment();
|
| - var padding = paddingH(cm.display), leftSide = padding.left;
|
| - var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
|
| -
|
| - function add(left, top, width, bottom) {
|
| - if (top < 0) top = 0;
|
| - top = Math.round(top);
|
| - bottom = Math.round(bottom);
|
| - fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left +
|
| - "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) +
|
| - "px; height: " + (bottom - top) + "px"));
|
| - }
|
| -
|
| - function drawForLine(line, fromArg, toArg) {
|
| - var lineObj = getLine(doc, line);
|
| - var lineLen = lineObj.text.length;
|
| - var start, end;
|
| - function coords(ch, bias) {
|
| - return charCoords(cm, Pos(line, ch), "div", lineObj, bias);
|
| - }
|
| -
|
| - iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) {
|
| - var leftPos = coords(from, "left"), rightPos, left, right;
|
| - if (from == to) {
|
| - rightPos = leftPos;
|
| - left = right = leftPos.left;
|
| - } else {
|
| - rightPos = coords(to - 1, "right");
|
| - if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; }
|
| - left = leftPos.left;
|
| - right = rightPos.right;
|
| - }
|
| - if (fromArg == null && from == 0) left = leftSide;
|
| - if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
|
| - add(left, leftPos.top, null, leftPos.bottom);
|
| - left = leftSide;
|
| - if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top);
|
| - }
|
| - if (toArg == null && to == lineLen) right = rightSide;
|
| - if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left)
|
| - start = leftPos;
|
| - if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right)
|
| - end = rightPos;
|
| - if (left < leftSide + 1) left = leftSide;
|
| - add(left, rightPos.top, right - left, rightPos.bottom);
|
| - });
|
| - return {start: start, end: end};
|
| - }
|
| -
|
| - var sFrom = range.from(), sTo = range.to();
|
| - if (sFrom.line == sTo.line) {
|
| - drawForLine(sFrom.line, sFrom.ch, sTo.ch);
|
| - } else {
|
| - var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
|
| - var singleVLine = visualLine(fromLine) == visualLine(toLine);
|
| - var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
|
| - var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
|
| - if (singleVLine) {
|
| - if (leftEnd.top < rightStart.top - 2) {
|
| - add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
|
| - add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
|
| - } else {
|
| - add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
|
| - }
|
| - }
|
| - if (leftEnd.bottom < rightStart.top)
|
| - add(leftSide, leftEnd.bottom, null, rightStart.top);
|
| - }
|
| -
|
| - output.appendChild(fragment);
|
| - }
|
| -
|
| - // Cursor-blinking
|
| - function restartBlink(cm) {
|
| - if (!cm.state.focused) return;
|
| - var display = cm.display;
|
| - clearInterval(display.blinker);
|
| - var on = true;
|
| - display.cursorDiv.style.visibility = "";
|
| - if (cm.options.cursorBlinkRate > 0)
|
| - display.blinker = setInterval(function() {
|
| - display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden";
|
| - }, cm.options.cursorBlinkRate);
|
| - else if (cm.options.cursorBlinkRate < 0)
|
| - display.cursorDiv.style.visibility = "hidden";
|
| - }
|
| -
|
| - // HIGHLIGHT WORKER
|
| -
|
| - function startWorker(cm, time) {
|
| - if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo)
|
| - cm.state.highlight.set(time, bind(highlightWorker, cm));
|
| - }
|
| -
|
| - function highlightWorker(cm) {
|
| - var doc = cm.doc;
|
| - if (doc.frontier < doc.first) doc.frontier = doc.first;
|
| - if (doc.frontier >= cm.display.viewTo) return;
|
| - var end = +new Date + cm.options.workTime;
|
| - var state = copyState(doc.mode, getStateBefore(cm, doc.frontier));
|
| - var changedLines = [];
|
| -
|
| - doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) {
|
| - if (doc.frontier >= cm.display.viewFrom) { // Visible
|
| - var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength;
|
| - var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true);
|
| - line.styles = highlighted.styles;
|
| - var oldCls = line.styleClasses, newCls = highlighted.classes;
|
| - if (newCls) line.styleClasses = newCls;
|
| - else if (oldCls) line.styleClasses = null;
|
| - var ischange = !oldStyles || oldStyles.length != line.styles.length ||
|
| - oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
|
| - for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i];
|
| - if (ischange) changedLines.push(doc.frontier);
|
| - line.stateAfter = tooLong ? state : copyState(doc.mode, state);
|
| - } else {
|
| - if (line.text.length <= cm.options.maxHighlightLength)
|
| - processLine(cm, line.text, state);
|
| - line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null;
|
| - }
|
| - ++doc.frontier;
|
| - if (+new Date > end) {
|
| - startWorker(cm, cm.options.workDelay);
|
| - return true;
|
| - }
|
| - });
|
| - if (changedLines.length) runInOp(cm, function() {
|
| - for (var i = 0; i < changedLines.length; i++)
|
| - regLineChange(cm, changedLines[i], "text");
|
| - });
|
| - }
|
| -
|
| - // Finds the line to start with when starting a parse. Tries to
|
| - // find a line with a stateAfter, so that it can start with a
|
| - // valid state. If that fails, it returns the line with the
|
| - // smallest indentation, which tends to need the least context to
|
| - // parse correctly.
|
| - function findStartLine(cm, n, precise) {
|
| - var minindent, minline, doc = cm.doc;
|
| - var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
|
| - for (var search = n; search > lim; --search) {
|
| - if (search <= doc.first) return doc.first;
|
| - var line = getLine(doc, search - 1);
|
| - if (line.stateAfter && (!precise || search <= doc.frontier)) return search;
|
| - var indented = countColumn(line.text, null, cm.options.tabSize);
|
| - if (minline == null || minindent > indented) {
|
| - minline = search - 1;
|
| - minindent = indented;
|
| - }
|
| - }
|
| - return minline;
|
| - }
|
| -
|
| - function getStateBefore(cm, n, precise) {
|
| - var doc = cm.doc, display = cm.display;
|
| - if (!doc.mode.startState) return true;
|
| - var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter;
|
| - if (!state) state = startState(doc.mode);
|
| - else state = copyState(doc.mode, state);
|
| - doc.iter(pos, n, function(line) {
|
| - processLine(cm, line.text, state);
|
| - var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo;
|
| - line.stateAfter = save ? copyState(doc.mode, state) : null;
|
| - ++pos;
|
| - });
|
| - if (precise) doc.frontier = pos;
|
| - return state;
|
| - }
|
| -
|
| - // POSITION MEASUREMENT
|
| -
|
| - function paddingTop(display) {return display.lineSpace.offsetTop;}
|
| - function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;}
|
| - function paddingH(display) {
|
| - if (display.cachedPaddingH) return display.cachedPaddingH;
|
| - var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));
|
| - var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
|
| - var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
|
| - if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data;
|
| - return data;
|
| - }
|
| -
|
| - function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; }
|
| - function displayWidth(cm) {
|
| - return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth;
|
| - }
|
| - function displayHeight(cm) {
|
| - return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight;
|
| - }
|
| -
|
| - // Ensure the lineView.wrapping.heights array is populated. This is
|
| - // an array of bottom offsets for the lines that make up a drawn
|
| - // line. When lineWrapping is on, there might be more than one
|
| - // height.
|
| - function ensureLineHeights(cm, lineView, rect) {
|
| - var wrapping = cm.options.lineWrapping;
|
| - var curWidth = wrapping && displayWidth(cm);
|
| - if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
|
| - var heights = lineView.measure.heights = [];
|
| - if (wrapping) {
|
| - lineView.measure.width = curWidth;
|
| - var rects = lineView.text.firstChild.getClientRects();
|
| - for (var i = 0; i < rects.length - 1; i++) {
|
| - var cur = rects[i], next = rects[i + 1];
|
| - if (Math.abs(cur.bottom - next.bottom) > 2)
|
| - heights.push((cur.bottom + next.top) / 2 - rect.top);
|
| - }
|
| - }
|
| - heights.push(rect.bottom - rect.top);
|
| - }
|
| - }
|
| -
|
| - // Find a line map (mapping character offsets to text nodes) and a
|
| - // measurement cache for the given line number. (A line view might
|
| - // contain multiple lines when collapsed ranges are present.)
|
| - function mapFromLineView(lineView, line, lineN) {
|
| - if (lineView.line == line)
|
| - return {map: lineView.measure.map, cache: lineView.measure.cache};
|
| - for (var i = 0; i < lineView.rest.length; i++)
|
| - if (lineView.rest[i] == line)
|
| - return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]};
|
| - for (var i = 0; i < lineView.rest.length; i++)
|
| - if (lineNo(lineView.rest[i]) > lineN)
|
| - return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true};
|
| - }
|
| -
|
| - // Render a line into the hidden node display.externalMeasured. Used
|
| - // when measurement is needed for a line that's not in the viewport.
|
| - function updateExternalMeasurement(cm, line) {
|
| - line = visualLine(line);
|
| - var lineN = lineNo(line);
|
| - var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
|
| - view.lineN = lineN;
|
| - var built = view.built = buildLineContent(cm, view);
|
| - view.text = built.pre;
|
| - removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
|
| - return view;
|
| - }
|
| -
|
| - // Get a {top, bottom, left, right} box (in line-local coordinates)
|
| - // for a given character.
|
| - function measureChar(cm, line, ch, bias) {
|
| - return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias);
|
| - }
|
| -
|
| - // Find a line view that corresponds to the given line number.
|
| - function findViewForLine(cm, lineN) {
|
| - if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
|
| - return cm.display.view[findViewIndex(cm, lineN)];
|
| - var ext = cm.display.externalMeasured;
|
| - if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
|
| - return ext;
|
| - }
|
| -
|
| - // Measurement can be split in two steps, the set-up work that
|
| - // applies to the whole line, and the measurement of the actual
|
| - // character. Functions like coordsChar, that need to do a lot of
|
| - // measurements in a row, can thus ensure that the set-up work is
|
| - // only done once.
|
| - function prepareMeasureForLine(cm, line) {
|
| - var lineN = lineNo(line);
|
| - var view = findViewForLine(cm, lineN);
|
| - if (view && !view.text) {
|
| - view = null;
|
| - } else if (view && view.changes) {
|
| - updateLineForChanges(cm, view, lineN, getDimensions(cm));
|
| - cm.curOp.forceUpdate = true;
|
| - }
|
| - if (!view)
|
| - view = updateExternalMeasurement(cm, line);
|
| -
|
| - var info = mapFromLineView(view, line, lineN);
|
| - return {
|
| - line: line, view: view, rect: null,
|
| - map: info.map, cache: info.cache, before: info.before,
|
| - hasHeights: false
|
| - };
|
| - }
|
| -
|
| - // Given a prepared measurement object, measures the position of an
|
| - // actual character (or fetches it from the cache).
|
| - function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
|
| - if (prepared.before) ch = -1;
|
| - var key = ch + (bias || ""), found;
|
| - if (prepared.cache.hasOwnProperty(key)) {
|
| - found = prepared.cache[key];
|
| - } else {
|
| - if (!prepared.rect)
|
| - prepared.rect = prepared.view.text.getBoundingClientRect();
|
| - if (!prepared.hasHeights) {
|
| - ensureLineHeights(cm, prepared.view, prepared.rect);
|
| - prepared.hasHeights = true;
|
| - }
|
| - found = measureCharInner(cm, prepared, ch, bias);
|
| - if (!found.bogus) prepared.cache[key] = found;
|
| - }
|
| - return {left: found.left, right: found.right,
|
| - top: varHeight ? found.rtop : found.top,
|
| - bottom: varHeight ? found.rbottom : found.bottom};
|
| - }
|
| -
|
| - var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
|
| -
|
| - function nodeAndOffsetInLineMap(map, ch, bias) {
|
| - var node, start, end, collapse;
|
| - // First, search the line map for the text node corresponding to,
|
| - // or closest to, the target character.
|
| - for (var i = 0; i < map.length; i += 3) {
|
| - var mStart = map[i], mEnd = map[i + 1];
|
| - if (ch < mStart) {
|
| - start = 0; end = 1;
|
| - collapse = "left";
|
| - } else if (ch < mEnd) {
|
| - start = ch - mStart;
|
| - end = start + 1;
|
| - } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) {
|
| - end = mEnd - mStart;
|
| - start = end - 1;
|
| - if (ch >= mEnd) collapse = "right";
|
| - }
|
| - if (start != null) {
|
| - node = map[i + 2];
|
| - if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
|
| - collapse = bias;
|
| - if (bias == "left" && start == 0)
|
| - while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {
|
| - node = map[(i -= 3) + 2];
|
| - collapse = "left";
|
| - }
|
| - if (bias == "right" && start == mEnd - mStart)
|
| - while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {
|
| - node = map[(i += 3) + 2];
|
| - collapse = "right";
|
| - }
|
| - break;
|
| - }
|
| - }
|
| - return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd};
|
| - }
|
| -
|
| - function getUsefulRect(rects, bias) {
|
| - var rect = nullRect
|
| - if (bias == "left") for (var i = 0; i < rects.length; i++) {
|
| - if ((rect = rects[i]).left != rect.right) break
|
| - } else for (var i = rects.length - 1; i >= 0; i--) {
|
| - if ((rect = rects[i]).left != rect.right) break
|
| - }
|
| - return rect
|
| - }
|
| -
|
| - function measureCharInner(cm, prepared, ch, bias) {
|
| - var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
|
| - var node = place.node, start = place.start, end = place.end, collapse = place.collapse;
|
| -
|
| - var rect;
|
| - if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
|
| - for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned
|
| - while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start;
|
| - while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end;
|
| - if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
|
| - rect = node.parentNode.getBoundingClientRect();
|
| - else
|
| - rect = getUsefulRect(range(node, start, end).getClientRects(), bias)
|
| - if (rect.left || rect.right || start == 0) break;
|
| - end = start;
|
| - start = start - 1;
|
| - collapse = "right";
|
| - }
|
| - if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect);
|
| - } else { // If it is a widget, simply get the box for the whole widget.
|
| - if (start > 0) collapse = bias = "right";
|
| - var rects;
|
| - if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
|
| - rect = rects[bias == "right" ? rects.length - 1 : 0];
|
| - else
|
| - rect = node.getBoundingClientRect();
|
| - }
|
| - if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
|
| - var rSpan = node.parentNode.getClientRects()[0];
|
| - if (rSpan)
|
| - rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom};
|
| - else
|
| - rect = nullRect;
|
| - }
|
| -
|
| - var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
|
| - var mid = (rtop + rbot) / 2;
|
| - var heights = prepared.view.measure.heights;
|
| - for (var i = 0; i < heights.length - 1; i++)
|
| - if (mid < heights[i]) break;
|
| - var top = i ? heights[i - 1] : 0, bot = heights[i];
|
| - var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
|
| - right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
|
| - top: top, bottom: bot};
|
| - if (!rect.left && !rect.right) result.bogus = true;
|
| - if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }
|
| -
|
| - return result;
|
| - }
|
| -
|
| - // Work around problem with bounding client rects on ranges being
|
| - // returned incorrectly when zoomed on IE10 and below.
|
| - function maybeUpdateRectForZooming(measure, rect) {
|
| - if (!window.screen || screen.logicalXDPI == null ||
|
| - screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
|
| - return rect;
|
| - var scaleX = screen.logicalXDPI / screen.deviceXDPI;
|
| - var scaleY = screen.logicalYDPI / screen.deviceYDPI;
|
| - return {left: rect.left * scaleX, right: rect.right * scaleX,
|
| - top: rect.top * scaleY, bottom: rect.bottom * scaleY};
|
| - }
|
| -
|
| - function clearLineMeasurementCacheFor(lineView) {
|
| - if (lineView.measure) {
|
| - lineView.measure.cache = {};
|
| - lineView.measure.heights = null;
|
| - if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
|
| - lineView.measure.caches[i] = {};
|
| - }
|
| - }
|
| -
|
| - function clearLineMeasurementCache(cm) {
|
| - cm.display.externalMeasure = null;
|
| - removeChildren(cm.display.lineMeasure);
|
| - for (var i = 0; i < cm.display.view.length; i++)
|
| - clearLineMeasurementCacheFor(cm.display.view[i]);
|
| - }
|
| -
|
| - function clearCaches(cm) {
|
| - clearLineMeasurementCache(cm);
|
| - cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
|
| - if (!cm.options.lineWrapping) cm.display.maxLineChanged = true;
|
| - cm.display.lineNumChars = null;
|
| - }
|
| -
|
| - function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; }
|
| - function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; }
|
| -
|
| - // Converts a {top, bottom, left, right} box from line-local
|
| - // coordinates into another coordinate system. Context may be one of
|
| - // "line", "div" (display.lineDiv), "local"/null (editor), "window",
|
| - // or "page".
|
| - function intoCoordSystem(cm, lineObj, rect, context) {
|
| - if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) {
|
| - var size = widgetHeight(lineObj.widgets[i]);
|
| - rect.top += size; rect.bottom += size;
|
| - }
|
| - if (context == "line") return rect;
|
| - if (!context) context = "local";
|
| - var yOff = heightAtLine(lineObj);
|
| - if (context == "local") yOff += paddingTop(cm.display);
|
| - else yOff -= cm.display.viewOffset;
|
| - if (context == "page" || context == "window") {
|
| - var lOff = cm.display.lineSpace.getBoundingClientRect();
|
| - yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
|
| - var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
|
| - rect.left += xOff; rect.right += xOff;
|
| - }
|
| - rect.top += yOff; rect.bottom += yOff;
|
| - return rect;
|
| - }
|
| -
|
| - // Coverts a box from "div" coords to another coordinate system.
|
| - // Context may be "window", "page", "div", or "local"/null.
|
| - function fromCoordSystem(cm, coords, context) {
|
| - if (context == "div") return coords;
|
| - var left = coords.left, top = coords.top;
|
| - // First move into "page" coordinate system
|
| - if (context == "page") {
|
| - left -= pageScrollX();
|
| - top -= pageScrollY();
|
| - } else if (context == "local" || !context) {
|
| - var localBox = cm.display.sizer.getBoundingClientRect();
|
| - left += localBox.left;
|
| - top += localBox.top;
|
| - }
|
| -
|
| - var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
|
| - return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top};
|
| - }
|
| -
|
| - function charCoords(cm, pos, context, lineObj, bias) {
|
| - if (!lineObj) lineObj = getLine(cm.doc, pos.line);
|
| - return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context);
|
| - }
|
| -
|
| - // Returns a box for a given cursor position, which may have an
|
| - // 'other' property containing the position of the secondary cursor
|
| - // on a bidi boundary.
|
| - function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
|
| - lineObj = lineObj || getLine(cm.doc, pos.line);
|
| - if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj);
|
| - function get(ch, right) {
|
| - var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
|
| - if (right) m.left = m.right; else m.right = m.left;
|
| - return intoCoordSystem(cm, lineObj, m, context);
|
| - }
|
| - function getBidi(ch, partPos) {
|
| - var part = order[partPos], right = part.level % 2;
|
| - if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) {
|
| - part = order[--partPos];
|
| - ch = bidiRight(part) - (part.level % 2 ? 0 : 1);
|
| - right = true;
|
| - } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) {
|
| - part = order[++partPos];
|
| - ch = bidiLeft(part) - part.level % 2;
|
| - right = false;
|
| - }
|
| - if (right && ch == part.to && ch > part.from) return get(ch - 1);
|
| - return get(ch, right);
|
| - }
|
| - var order = getOrder(lineObj), ch = pos.ch;
|
| - if (!order) return get(ch);
|
| - var partPos = getBidiPartAt(order, ch);
|
| - var val = getBidi(ch, partPos);
|
| - if (bidiOther != null) val.other = getBidi(ch, bidiOther);
|
| - return val;
|
| - }
|
| -
|
| - // Used to cheaply estimate the coordinates for a position. Used for
|
| - // intermediate scroll updates.
|
| - function estimateCoords(cm, pos) {
|
| - var left = 0, pos = clipPos(cm.doc, pos);
|
| - if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch;
|
| - var lineObj = getLine(cm.doc, pos.line);
|
| - var top = heightAtLine(lineObj) + paddingTop(cm.display);
|
| - return {left: left, right: left, top: top, bottom: top + lineObj.height};
|
| - }
|
| -
|
| - // Positions returned by coordsChar contain some extra information.
|
| - // xRel is the relative x position of the input coordinates compared
|
| - // to the found position (so xRel > 0 means the coordinates are to
|
| - // the right of the character position, for example). When outside
|
| - // is true, that means the coordinates lie outside the line's
|
| - // vertical range.
|
| - function PosWithInfo(line, ch, outside, xRel) {
|
| - var pos = Pos(line, ch);
|
| - pos.xRel = xRel;
|
| - if (outside) pos.outside = true;
|
| - return pos;
|
| - }
|
| -
|
| - // Compute the character position closest to the given coordinates.
|
| - // Input must be lineSpace-local ("div" coordinate system).
|
| - function coordsChar(cm, x, y) {
|
| - var doc = cm.doc;
|
| - y += cm.display.viewOffset;
|
| - if (y < 0) return PosWithInfo(doc.first, 0, true, -1);
|
| - var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
|
| - if (lineN > last)
|
| - return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1);
|
| - if (x < 0) x = 0;
|
| -
|
| - var lineObj = getLine(doc, lineN);
|
| - for (;;) {
|
| - var found = coordsCharInner(cm, lineObj, lineN, x, y);
|
| - var merged = collapsedSpanAtEnd(lineObj);
|
| - var mergedPos = merged && merged.find(0, true);
|
| - if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
|
| - lineN = lineNo(lineObj = mergedPos.to.line);
|
| - else
|
| - return found;
|
| - }
|
| - }
|
| -
|
| - function coordsCharInner(cm, lineObj, lineNo, x, y) {
|
| - var innerOff = y - heightAtLine(lineObj);
|
| - var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth;
|
| - var preparedMeasure = prepareMeasureForLine(cm, lineObj);
|
| -
|
| - function getX(ch) {
|
| - var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure);
|
| - wrongLine = true;
|
| - if (innerOff > sp.bottom) return sp.left - adjust;
|
| - else if (innerOff < sp.top) return sp.left + adjust;
|
| - else wrongLine = false;
|
| - return sp.left;
|
| - }
|
| -
|
| - var bidi = getOrder(lineObj), dist = lineObj.text.length;
|
| - var from = lineLeft(lineObj), to = lineRight(lineObj);
|
| - var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine;
|
| -
|
| - if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1);
|
| - // Do a binary search between these bounds.
|
| - for (;;) {
|
| - if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) {
|
| - var ch = x < fromX || x - fromX <= toX - x ? from : to;
|
| - var outside = ch == from ? fromOutside : toOutside
|
| - var xDiff = x - (ch == from ? fromX : toX);
|
| - // This is a kludge to handle the case where the coordinates
|
| - // are after a line-wrapped line. We should replace it with a
|
| - // more general handling of cursor positions around line
|
| - // breaks. (Issue #4078)
|
| - if (toOutside && !bidi && !/\s/.test(lineObj.text.charAt(ch)) && xDiff > 0 &&
|
| - ch < lineObj.text.length && preparedMeasure.view.measure.heights.length > 1) {
|
| - var charSize = measureCharPrepared(cm, preparedMeasure, ch, "right");
|
| - if (innerOff <= charSize.bottom && innerOff >= charSize.top && Math.abs(x - charSize.right) < xDiff) {
|
| - outside = false
|
| - ch++
|
| - xDiff = x - charSize.right
|
| - }
|
| - }
|
| - while (isExtendingChar(lineObj.text.charAt(ch))) ++ch;
|
| - var pos = PosWithInfo(lineNo, ch, outside, xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0);
|
| - return pos;
|
| - }
|
| - var step = Math.ceil(dist / 2), middle = from + step;
|
| - if (bidi) {
|
| - middle = from;
|
| - for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1);
|
| - }
|
| - var middleX = getX(middle);
|
| - if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;}
|
| - else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;}
|
| - }
|
| - }
|
| -
|
| - var measureText;
|
| - // Compute the default text height.
|
| - function textHeight(display) {
|
| - if (display.cachedTextHeight != null) return display.cachedTextHeight;
|
| - if (measureText == null) {
|
| - measureText = elt("pre");
|
| - // Measure a bunch of lines, for browsers that compute
|
| - // fractional heights.
|
| - for (var i = 0; i < 49; ++i) {
|
| - measureText.appendChild(document.createTextNode("x"));
|
| - measureText.appendChild(elt("br"));
|
| - }
|
| - measureText.appendChild(document.createTextNode("x"));
|
| - }
|
| - removeChildrenAndAdd(display.measure, measureText);
|
| - var height = measureText.offsetHeight / 50;
|
| - if (height > 3) display.cachedTextHeight = height;
|
| - removeChildren(display.measure);
|
| - return height || 1;
|
| - }
|
| -
|
| - // Compute the default character width.
|
| - function charWidth(display) {
|
| - if (display.cachedCharWidth != null) return display.cachedCharWidth;
|
| - var anchor = elt("span", "xxxxxxxxxx");
|
| - var pre = elt("pre", [anchor]);
|
| - removeChildrenAndAdd(display.measure, pre);
|
| - var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
|
| - if (width > 2) display.cachedCharWidth = width;
|
| - return width || 10;
|
| - }
|
| -
|
| - // OPERATIONS
|
| -
|
| - // Operations are used to wrap a series of changes to the editor
|
| - // state in such a way that each change won't have to update the
|
| - // cursor and display (which would be awkward, slow, and
|
| - // error-prone). Instead, display updates are batched and then all
|
| - // combined and executed at once.
|
| -
|
| - var operationGroup = null;
|
| -
|
| - var nextOpId = 0;
|
| - // Start a new operation.
|
| - function startOperation(cm) {
|
| - cm.curOp = {
|
| - cm: cm,
|
| - viewChanged: false, // Flag that indicates that lines might need to be redrawn
|
| - startHeight: cm.doc.height, // Used to detect need to update scrollbar
|
| - forceUpdate: false, // Used to force a redraw
|
| - updateInput: null, // Whether to reset the input textarea
|
| - typing: false, // Whether this reset should be careful to leave existing text (for compositing)
|
| - changeObjs: null, // Accumulated changes, for firing change events
|
| - cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
|
| - cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
|
| - selectionChanged: false, // Whether the selection needs to be redrawn
|
| - updateMaxLine: false, // Set when the widest line needs to be determined anew
|
| - scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
|
| - scrollToPos: null, // Used to scroll to a specific position
|
| - focus: false,
|
| - id: ++nextOpId // Unique ID
|
| - };
|
| - if (operationGroup) {
|
| - operationGroup.ops.push(cm.curOp);
|
| - } else {
|
| - cm.curOp.ownsGroup = operationGroup = {
|
| - ops: [cm.curOp],
|
| - delayedCallbacks: []
|
| - };
|
| - }
|
| - }
|
| -
|
| - function fireCallbacksForOps(group) {
|
| - // Calls delayed callbacks and cursorActivity handlers until no
|
| - // new ones appear
|
| - var callbacks = group.delayedCallbacks, i = 0;
|
| - do {
|
| - for (; i < callbacks.length; i++)
|
| - callbacks[i].call(null);
|
| - for (var j = 0; j < group.ops.length; j++) {
|
| - var op = group.ops[j];
|
| - if (op.cursorActivityHandlers)
|
| - while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
|
| - op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm);
|
| - }
|
| - } while (i < callbacks.length);
|
| - }
|
| -
|
| - // Finish an operation, updating the display and signalling delayed events
|
| - function endOperation(cm) {
|
| - var op = cm.curOp, group = op.ownsGroup;
|
| - if (!group) return;
|
| -
|
| - try { fireCallbacksForOps(group); }
|
| - finally {
|
| - operationGroup = null;
|
| - for (var i = 0; i < group.ops.length; i++)
|
| - group.ops[i].cm.curOp = null;
|
| - endOperations(group);
|
| - }
|
| - }
|
| -
|
| - // The DOM updates done when an operation finishes are batched so
|
| - // that the minimum number of relayouts are required.
|
| - function endOperations(group) {
|
| - var ops = group.ops;
|
| - for (var i = 0; i < ops.length; i++) // Read DOM
|
| - endOperation_R1(ops[i]);
|
| - for (var i = 0; i < ops.length; i++) // Write DOM (maybe)
|
| - endOperation_W1(ops[i]);
|
| - for (var i = 0; i < ops.length; i++) // Read DOM
|
| - endOperation_R2(ops[i]);
|
| - for (var i = 0; i < ops.length; i++) // Write DOM (maybe)
|
| - endOperation_W2(ops[i]);
|
| - for (var i = 0; i < ops.length; i++) // Read DOM
|
| - endOperation_finish(ops[i]);
|
| - }
|
| -
|
| - function endOperation_R1(op) {
|
| - var cm = op.cm, display = cm.display;
|
| - maybeClipScrollbars(cm);
|
| - if (op.updateMaxLine) findMaxLine(cm);
|
| -
|
| - op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
|
| - op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
|
| - op.scrollToPos.to.line >= display.viewTo) ||
|
| - display.maxLineChanged && cm.options.lineWrapping;
|
| - op.update = op.mustUpdate &&
|
| - new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
|
| - }
|
| -
|
| - function endOperation_W1(op) {
|
| - op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
|
| - }
|
| -
|
| - function endOperation_R2(op) {
|
| - var cm = op.cm, display = cm.display;
|
| - if (op.updatedDisplay) updateHeightsInViewport(cm);
|
| -
|
| - op.barMeasure = measureForScrollbars(cm);
|
| -
|
| - // If the max line changed since it was last measured, measure it,
|
| - // and ensure the document's width matches it.
|
| - // updateDisplay_W2 will use these properties to do the actual resizing
|
| - if (display.maxLineChanged && !cm.options.lineWrapping) {
|
| - op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
|
| - cm.display.sizerWidth = op.adjustWidthTo;
|
| - op.barMeasure.scrollWidth =
|
| - Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
|
| - op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
|
| - }
|
| -
|
| - if (op.updatedDisplay || op.selectionChanged)
|
| - op.preparedSelection = display.input.prepareSelection(op.focus);
|
| - }
|
| -
|
| - function endOperation_W2(op) {
|
| - var cm = op.cm;
|
| -
|
| - if (op.adjustWidthTo != null) {
|
| - cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
|
| - if (op.maxScrollLeft < cm.doc.scrollLeft)
|
| - setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true);
|
| - cm.display.maxLineChanged = false;
|
| - }
|
| -
|
| - var takeFocus = op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus())
|
| - if (op.preparedSelection)
|
| - cm.display.input.showSelection(op.preparedSelection, takeFocus);
|
| - if (op.updatedDisplay || op.startHeight != cm.doc.height)
|
| - updateScrollbars(cm, op.barMeasure);
|
| - if (op.updatedDisplay)
|
| - setDocumentHeight(cm, op.barMeasure);
|
| -
|
| - if (op.selectionChanged) restartBlink(cm);
|
| -
|
| - if (cm.state.focused && op.updateInput)
|
| - cm.display.input.reset(op.typing);
|
| - if (takeFocus) ensureFocus(op.cm);
|
| - }
|
| -
|
| - function endOperation_finish(op) {
|
| - var cm = op.cm, display = cm.display, doc = cm.doc;
|
| -
|
| - if (op.updatedDisplay) postUpdateDisplay(cm, op.update);
|
| -
|
| - // Abort mouse wheel delta measurement, when scrolling explicitly
|
| - if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
|
| - display.wheelStartX = display.wheelStartY = null;
|
| -
|
| - // Propagate the scroll position to the actual DOM scroller
|
| - if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) {
|
| - doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop));
|
| - display.scrollbars.setScrollTop(doc.scrollTop);
|
| - display.scroller.scrollTop = doc.scrollTop;
|
| - }
|
| - if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) {
|
| - doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft));
|
| - display.scrollbars.setScrollLeft(doc.scrollLeft);
|
| - display.scroller.scrollLeft = doc.scrollLeft;
|
| - alignHorizontally(cm);
|
| - }
|
| - // If we need to scroll a specific position into view, do so.
|
| - if (op.scrollToPos) {
|
| - var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
|
| - clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
|
| - if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords);
|
| - }
|
| -
|
| - // Fire events for markers that are hidden/unidden by editing or
|
| - // undoing
|
| - var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
|
| - if (hidden) for (var i = 0; i < hidden.length; ++i)
|
| - if (!hidden[i].lines.length) signal(hidden[i], "hide");
|
| - if (unhidden) for (var i = 0; i < unhidden.length; ++i)
|
| - if (unhidden[i].lines.length) signal(unhidden[i], "unhide");
|
| -
|
| - if (display.wrapper.offsetHeight)
|
| - doc.scrollTop = cm.display.scroller.scrollTop;
|
| -
|
| - // Fire change events, and delayed event handlers
|
| - if (op.changeObjs)
|
| - signal(cm, "changes", cm, op.changeObjs);
|
| - if (op.update)
|
| - op.update.finish();
|
| - }
|
| -
|
| - // Run the given function in an operation
|
| - function runInOp(cm, f) {
|
| - if (cm.curOp) return f();
|
| - startOperation(cm);
|
| - try { return f(); }
|
| - finally { endOperation(cm); }
|
| - }
|
| - // Wraps a function in an operation. Returns the wrapped function.
|
| - function operation(cm, f) {
|
| - return function() {
|
| - if (cm.curOp) return f.apply(cm, arguments);
|
| - startOperation(cm);
|
| - try { return f.apply(cm, arguments); }
|
| - finally { endOperation(cm); }
|
| - };
|
| - }
|
| - // Used to add methods to editor and doc instances, wrapping them in
|
| - // operations.
|
| - function methodOp(f) {
|
| - return function() {
|
| - if (this.curOp) return f.apply(this, arguments);
|
| - startOperation(this);
|
| - try { return f.apply(this, arguments); }
|
| - finally { endOperation(this); }
|
| - };
|
| - }
|
| - function docMethodOp(f) {
|
| - return function() {
|
| - var cm = this.cm;
|
| - if (!cm || cm.curOp) return f.apply(this, arguments);
|
| - startOperation(cm);
|
| - try { return f.apply(this, arguments); }
|
| - finally { endOperation(cm); }
|
| - };
|
| - }
|
| -
|
| - // VIEW TRACKING
|
| -
|
| - // These objects are used to represent the visible (currently drawn)
|
| - // part of the document. A LineView may correspond to multiple
|
| - // logical lines, if those are connected by collapsed ranges.
|
| - function LineView(doc, line, lineN) {
|
| - // The starting line
|
| - this.line = line;
|
| - // Continuing lines, if any
|
| - this.rest = visualLineContinued(line);
|
| - // Number of logical lines in this visual line
|
| - this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
|
| - this.node = this.text = null;
|
| - this.hidden = lineIsHidden(doc, line);
|
| - }
|
| -
|
| - // Create a range of LineView objects for the given lines.
|
| - function buildViewArray(cm, from, to) {
|
| - var array = [], nextPos;
|
| - for (var pos = from; pos < to; pos = nextPos) {
|
| - var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
|
| - nextPos = pos + view.size;
|
| - array.push(view);
|
| - }
|
| - return array;
|
| - }
|
| -
|
| - // Updates the display.view data structure for a given change to the
|
| - // document. From and to are in pre-change coordinates. Lendiff is
|
| - // the amount of lines added or subtracted by the change. This is
|
| - // used for changes that span multiple lines, or change the way
|
| - // lines are divided into visual lines. regLineChange (below)
|
| - // registers single-line changes.
|
| - function regChange(cm, from, to, lendiff) {
|
| - if (from == null) from = cm.doc.first;
|
| - if (to == null) to = cm.doc.first + cm.doc.size;
|
| - if (!lendiff) lendiff = 0;
|
| -
|
| - var display = cm.display;
|
| - if (lendiff && to < display.viewTo &&
|
| - (display.updateLineNumbers == null || display.updateLineNumbers > from))
|
| - display.updateLineNumbers = from;
|
| -
|
| - cm.curOp.viewChanged = true;
|
| -
|
| - if (from >= display.viewTo) { // Change after
|
| - if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
|
| - resetView(cm);
|
| - } else if (to <= display.viewFrom) { // Change before
|
| - if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
|
| - resetView(cm);
|
| - } else {
|
| - display.viewFrom += lendiff;
|
| - display.viewTo += lendiff;
|
| - }
|
| - } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
|
| - resetView(cm);
|
| - } else if (from <= display.viewFrom) { // Top overlap
|
| - var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
|
| - if (cut) {
|
| - display.view = display.view.slice(cut.index);
|
| - display.viewFrom = cut.lineN;
|
| - display.viewTo += lendiff;
|
| - } else {
|
| - resetView(cm);
|
| - }
|
| - } else if (to >= display.viewTo) { // Bottom overlap
|
| - var cut = viewCuttingPoint(cm, from, from, -1);
|
| - if (cut) {
|
| - display.view = display.view.slice(0, cut.index);
|
| - display.viewTo = cut.lineN;
|
| - } else {
|
| - resetView(cm);
|
| - }
|
| - } else { // Gap in the middle
|
| - var cutTop = viewCuttingPoint(cm, from, from, -1);
|
| - var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
|
| - if (cutTop && cutBot) {
|
| - display.view = display.view.slice(0, cutTop.index)
|
| - .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
|
| - .concat(display.view.slice(cutBot.index));
|
| - display.viewTo += lendiff;
|
| - } else {
|
| - resetView(cm);
|
| - }
|
| - }
|
| -
|
| - var ext = display.externalMeasured;
|
| - if (ext) {
|
| - if (to < ext.lineN)
|
| - ext.lineN += lendiff;
|
| - else if (from < ext.lineN + ext.size)
|
| - display.externalMeasured = null;
|
| - }
|
| - }
|
| -
|
| - // Register a change to a single line. Type must be one of "text",
|
| - // "gutter", "class", "widget"
|
| - function regLineChange(cm, line, type) {
|
| - cm.curOp.viewChanged = true;
|
| - var display = cm.display, ext = cm.display.externalMeasured;
|
| - if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
|
| - display.externalMeasured = null;
|
| -
|
| - if (line < display.viewFrom || line >= display.viewTo) return;
|
| - var lineView = display.view[findViewIndex(cm, line)];
|
| - if (lineView.node == null) return;
|
| - var arr = lineView.changes || (lineView.changes = []);
|
| - if (indexOf(arr, type) == -1) arr.push(type);
|
| - }
|
| -
|
| - // Clear the view.
|
| - function resetView(cm) {
|
| - cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
|
| - cm.display.view = [];
|
| - cm.display.viewOffset = 0;
|
| - }
|
| -
|
| - // Find the view element corresponding to a given line. Return null
|
| - // when the line isn't visible.
|
| - function findViewIndex(cm, n) {
|
| - if (n >= cm.display.viewTo) return null;
|
| - n -= cm.display.viewFrom;
|
| - if (n < 0) return null;
|
| - var view = cm.display.view;
|
| - for (var i = 0; i < view.length; i++) {
|
| - n -= view[i].size;
|
| - if (n < 0) return i;
|
| - }
|
| - }
|
| -
|
| - function viewCuttingPoint(cm, oldN, newN, dir) {
|
| - var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
|
| - if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
|
| - return {index: index, lineN: newN};
|
| - for (var i = 0, n = cm.display.viewFrom; i < index; i++)
|
| - n += view[i].size;
|
| - if (n != oldN) {
|
| - if (dir > 0) {
|
| - if (index == view.length - 1) return null;
|
| - diff = (n + view[index].size) - oldN;
|
| - index++;
|
| - } else {
|
| - diff = n - oldN;
|
| - }
|
| - oldN += diff; newN += diff;
|
| - }
|
| - while (visualLineNo(cm.doc, newN) != newN) {
|
| - if (index == (dir < 0 ? 0 : view.length - 1)) return null;
|
| - newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
|
| - index += dir;
|
| - }
|
| - return {index: index, lineN: newN};
|
| - }
|
| -
|
| - // Force the view to cover a given range, adding empty view element
|
| - // or clipping off existing ones as needed.
|
| - function adjustView(cm, from, to) {
|
| - var display = cm.display, view = display.view;
|
| - if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
|
| - display.view = buildViewArray(cm, from, to);
|
| - display.viewFrom = from;
|
| - } else {
|
| - if (display.viewFrom > from)
|
| - display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view);
|
| - else if (display.viewFrom < from)
|
| - display.view = display.view.slice(findViewIndex(cm, from));
|
| - display.viewFrom = from;
|
| - if (display.viewTo < to)
|
| - display.view = display.view.concat(buildViewArray(cm, display.viewTo, to));
|
| - else if (display.viewTo > to)
|
| - display.view = display.view.slice(0, findViewIndex(cm, to));
|
| - }
|
| - display.viewTo = to;
|
| - }
|
| -
|
| - // Count the number of lines in the view whose DOM representation is
|
| - // out of date (or nonexistent).
|
| - function countDirtyView(cm) {
|
| - var view = cm.display.view, dirty = 0;
|
| - for (var i = 0; i < view.length; i++) {
|
| - var lineView = view[i];
|
| - if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty;
|
| - }
|
| - return dirty;
|
| - }
|
| -
|
| - // EVENT HANDLERS
|
| -
|
| - // Attach the necessary event handlers when initializing the editor
|
| - function registerEventHandlers(cm) {
|
| - var d = cm.display;
|
| - on(d.scroller, "mousedown", operation(cm, onMouseDown));
|
| - // Older IE's will not fire a second mousedown for a double click
|
| - if (ie && ie_version < 11)
|
| - on(d.scroller, "dblclick", operation(cm, function(e) {
|
| - if (signalDOMEvent(cm, e)) return;
|
| - var pos = posFromMouse(cm, e);
|
| - if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return;
|
| - e_preventDefault(e);
|
| - var word = cm.findWordAt(pos);
|
| - extendSelection(cm.doc, word.anchor, word.head);
|
| - }));
|
| - else
|
| - on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); });
|
| - // Some browsers fire contextmenu *after* opening the menu, at
|
| - // which point we can't mess with it anymore. Context menu is
|
| - // handled in onMouseDown for these browsers.
|
| - if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);});
|
| -
|
| - // Used to suppress mouse event handling when a touch happens
|
| - var touchFinished, prevTouch = {end: 0};
|
| - function finishTouch() {
|
| - if (d.activeTouch) {
|
| - touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000);
|
| - prevTouch = d.activeTouch;
|
| - prevTouch.end = +new Date;
|
| - }
|
| - };
|
| - function isMouseLikeTouchEvent(e) {
|
| - if (e.touches.length != 1) return false;
|
| - var touch = e.touches[0];
|
| - return touch.radiusX <= 1 && touch.radiusY <= 1;
|
| - }
|
| - function farAway(touch, other) {
|
| - if (other.left == null) return true;
|
| - var dx = other.left - touch.left, dy = other.top - touch.top;
|
| - return dx * dx + dy * dy > 20 * 20;
|
| - }
|
| - on(d.scroller, "touchstart", function(e) {
|
| - if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) {
|
| - clearTimeout(touchFinished);
|
| - var now = +new Date;
|
| - d.activeTouch = {start: now, moved: false,
|
| - prev: now - prevTouch.end <= 300 ? prevTouch : null};
|
| - if (e.touches.length == 1) {
|
| - d.activeTouch.left = e.touches[0].pageX;
|
| - d.activeTouch.top = e.touches[0].pageY;
|
| - }
|
| - }
|
| - });
|
| - on(d.scroller, "touchmove", function() {
|
| - if (d.activeTouch) d.activeTouch.moved = true;
|
| - });
|
| - on(d.scroller, "touchend", function(e) {
|
| - var touch = d.activeTouch;
|
| - if (touch && !eventInWidget(d, e) && touch.left != null &&
|
| - !touch.moved && new Date - touch.start < 300) {
|
| - var pos = cm.coordsChar(d.activeTouch, "page"), range;
|
| - if (!touch.prev || farAway(touch, touch.prev)) // Single tap
|
| - range = new Range(pos, pos);
|
| - else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
|
| - range = cm.findWordAt(pos);
|
| - else // Triple tap
|
| - range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0)));
|
| - cm.setSelection(range.anchor, range.head);
|
| - cm.focus();
|
| - e_preventDefault(e);
|
| - }
|
| - finishTouch();
|
| - });
|
| - on(d.scroller, "touchcancel", finishTouch);
|
| -
|
| - // Sync scrolling between fake scrollbars and real scrollable
|
| - // area, ensure viewport is updated when scrolling.
|
| - on(d.scroller, "scroll", function() {
|
| - if (d.scroller.clientHeight) {
|
| - setScrollTop(cm, d.scroller.scrollTop);
|
| - setScrollLeft(cm, d.scroller.scrollLeft, true);
|
| - signal(cm, "scroll", cm);
|
| - }
|
| - });
|
| -
|
| - // Listen to wheel events in order to try and update the viewport on time.
|
| - on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);});
|
| - on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);});
|
| -
|
| - // Prevent wrapper from ever scrolling
|
| - on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
|
| -
|
| - d.dragFunctions = {
|
| - enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);},
|
| - over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
|
| - start: function(e){onDragStart(cm, e);},
|
| - drop: operation(cm, onDrop),
|
| - leave: function(e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}
|
| - };
|
| -
|
| - var inp = d.input.getField();
|
| - on(inp, "keyup", function(e) { onKeyUp.call(cm, e); });
|
| - on(inp, "keydown", operation(cm, onKeyDown));
|
| - on(inp, "keypress", operation(cm, onKeyPress));
|
| - on(inp, "focus", bind(onFocus, cm));
|
| - on(inp, "blur", bind(onBlur, cm));
|
| - }
|
| -
|
| - function dragDropChanged(cm, value, old) {
|
| - var wasOn = old && old != CodeMirror.Init;
|
| - if (!value != !wasOn) {
|
| - var funcs = cm.display.dragFunctions;
|
| - var toggle = value ? on : off;
|
| - toggle(cm.display.scroller, "dragstart", funcs.start);
|
| - toggle(cm.display.scroller, "dragenter", funcs.enter);
|
| - toggle(cm.display.scroller, "dragover", funcs.over);
|
| - toggle(cm.display.scroller, "dragleave", funcs.leave);
|
| - toggle(cm.display.scroller, "drop", funcs.drop);
|
| - }
|
| - }
|
| -
|
| - // Called when the window resizes
|
| - function onResize(cm) {
|
| - var d = cm.display;
|
| - if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
|
| - return;
|
| - // Might be a text scaling operation, clear size caches.
|
| - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
|
| - d.scrollbarsClipped = false;
|
| - cm.setSize();
|
| - }
|
| -
|
| - // MOUSE EVENTS
|
| -
|
| - // Return true when the given mouse event happened in a widget
|
| - function eventInWidget(display, e) {
|
| - for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
|
| - if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
|
| - (n.parentNode == display.sizer && n != display.mover))
|
| - return true;
|
| - }
|
| - }
|
| -
|
| - // Given a mouse event, find the corresponding position. If liberal
|
| - // is false, it checks whether a gutter or scrollbar was clicked,
|
| - // and returns null if it was. forRect is used by rectangular
|
| - // selections, and tries to estimate a character position even for
|
| - // coordinates beyond the right of the text.
|
| - function posFromMouse(cm, e, liberal, forRect) {
|
| - var display = cm.display;
|
| - if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null;
|
| -
|
| - var x, y, space = display.lineSpace.getBoundingClientRect();
|
| - // Fails unpredictably on IE[67] when mouse is dragged around quickly.
|
| - try { x = e.clientX - space.left; y = e.clientY - space.top; }
|
| - catch (e) { return null; }
|
| - var coords = coordsChar(cm, x, y), line;
|
| - if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
|
| - var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
|
| - coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
|
| - }
|
| - return coords;
|
| - }
|
| -
|
| - // A mouse down can be a single click, double click, triple click,
|
| - // start of selection drag, start of text drag, new cursor
|
| - // (ctrl-click), rectangle drag (alt-drag), or xwin
|
| - // middle-click-paste. Or it might be a click on something we should
|
| - // not interfere with, such as a scrollbar or widget.
|
| - function onMouseDown(e) {
|
| - var cm = this, display = cm.display;
|
| - if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) return;
|
| - display.shift = e.shiftKey;
|
| -
|
| - if (eventInWidget(display, e)) {
|
| - if (!webkit) {
|
| - // Briefly turn off draggability, to allow widgets to do
|
| - // normal dragging things.
|
| - display.scroller.draggable = false;
|
| - setTimeout(function(){display.scroller.draggable = true;}, 100);
|
| - }
|
| - return;
|
| - }
|
| - if (clickInGutter(cm, e)) return;
|
| - var start = posFromMouse(cm, e);
|
| - window.focus();
|
| -
|
| - switch (e_button(e)) {
|
| - case 1:
|
| - // #3261: make sure, that we're not starting a second selection
|
| - if (cm.state.selectingText)
|
| - cm.state.selectingText(e);
|
| - else if (start)
|
| - leftButtonDown(cm, e, start);
|
| - else if (e_target(e) == display.scroller)
|
| - e_preventDefault(e);
|
| - break;
|
| - case 2:
|
| - if (webkit) cm.state.lastMiddleDown = +new Date;
|
| - if (start) extendSelection(cm.doc, start);
|
| - setTimeout(function() {display.input.focus();}, 20);
|
| - e_preventDefault(e);
|
| - break;
|
| - case 3:
|
| - if (captureRightClick) onContextMenu(cm, e);
|
| - else delayBlurEvent(cm);
|
| - break;
|
| - }
|
| - }
|
| -
|
| - var lastClick, lastDoubleClick;
|
| - function leftButtonDown(cm, e, start) {
|
| - if (ie) setTimeout(bind(ensureFocus, cm), 0);
|
| - else cm.curOp.focus = activeElt();
|
| -
|
| - var now = +new Date, type;
|
| - if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) {
|
| - type = "triple";
|
| - } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) {
|
| - type = "double";
|
| - lastDoubleClick = {time: now, pos: start};
|
| - } else {
|
| - type = "single";
|
| - lastClick = {time: now, pos: start};
|
| - }
|
| -
|
| - var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained;
|
| - if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
|
| - type == "single" && (contained = sel.contains(start)) > -1 &&
|
| - (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) &&
|
| - (cmp(contained.to(), start) > 0 || start.xRel < 0))
|
| - leftButtonStartDrag(cm, e, start, modifier);
|
| - else
|
| - leftButtonSelect(cm, e, start, type, modifier);
|
| - }
|
| -
|
| - // Start a text drag. When it ends, see if any dragging actually
|
| - // happen, and treat as a click if it didn't.
|
| - function leftButtonStartDrag(cm, e, start, modifier) {
|
| - var display = cm.display, startTime = +new Date;
|
| - var dragEnd = operation(cm, function(e2) {
|
| - if (webkit) display.scroller.draggable = false;
|
| - cm.state.draggingText = false;
|
| - off(document, "mouseup", dragEnd);
|
| - off(display.scroller, "drop", dragEnd);
|
| - if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
|
| - e_preventDefault(e2);
|
| - if (!modifier && +new Date - 200 < startTime)
|
| - extendSelection(cm.doc, start);
|
| - // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
|
| - if (webkit || ie && ie_version == 9)
|
| - setTimeout(function() {document.body.focus(); display.input.focus();}, 20);
|
| - else
|
| - display.input.focus();
|
| - }
|
| - });
|
| - // Let the drag handler handle this.
|
| - if (webkit) display.scroller.draggable = true;
|
| - cm.state.draggingText = dragEnd;
|
| - dragEnd.copy = mac ? e.altKey : e.ctrlKey
|
| - // IE's approach to draggable
|
| - if (display.scroller.dragDrop) display.scroller.dragDrop();
|
| - on(document, "mouseup", dragEnd);
|
| - on(display.scroller, "drop", dragEnd);
|
| - }
|
| -
|
| - // Normal selection, as opposed to text dragging.
|
| - function leftButtonSelect(cm, e, start, type, addNew) {
|
| - var display = cm.display, doc = cm.doc;
|
| - e_preventDefault(e);
|
| -
|
| - var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
|
| - if (addNew && !e.shiftKey) {
|
| - ourIndex = doc.sel.contains(start);
|
| - if (ourIndex > -1)
|
| - ourRange = ranges[ourIndex];
|
| - else
|
| - ourRange = new Range(start, start);
|
| - } else {
|
| - ourRange = doc.sel.primary();
|
| - ourIndex = doc.sel.primIndex;
|
| - }
|
| -
|
| - if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) {
|
| - type = "rect";
|
| - if (!addNew) ourRange = new Range(start, start);
|
| - start = posFromMouse(cm, e, true, true);
|
| - ourIndex = -1;
|
| - } else if (type == "double") {
|
| - var word = cm.findWordAt(start);
|
| - if (cm.display.shift || doc.extend)
|
| - ourRange = extendRange(doc, ourRange, word.anchor, word.head);
|
| - else
|
| - ourRange = word;
|
| - } else if (type == "triple") {
|
| - var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0)));
|
| - if (cm.display.shift || doc.extend)
|
| - ourRange = extendRange(doc, ourRange, line.anchor, line.head);
|
| - else
|
| - ourRange = line;
|
| - } else {
|
| - ourRange = extendRange(doc, ourRange, start);
|
| - }
|
| -
|
| - if (!addNew) {
|
| - ourIndex = 0;
|
| - setSelection(doc, new Selection([ourRange], 0), sel_mouse);
|
| - startSel = doc.sel;
|
| - } else if (ourIndex == -1) {
|
| - ourIndex = ranges.length;
|
| - setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),
|
| - {scroll: false, origin: "*mouse"});
|
| - } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) {
|
| - setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
|
| - {scroll: false, origin: "*mouse"});
|
| - startSel = doc.sel;
|
| - } else {
|
| - replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
|
| - }
|
| -
|
| - var lastPos = start;
|
| - function extendTo(pos) {
|
| - if (cmp(lastPos, pos) == 0) return;
|
| - lastPos = pos;
|
| -
|
| - if (type == "rect") {
|
| - var ranges = [], tabSize = cm.options.tabSize;
|
| - var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
|
| - var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
|
| - var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
|
| - for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
|
| - line <= end; line++) {
|
| - var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
|
| - if (left == right)
|
| - ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos)));
|
| - else if (text.length > leftPos)
|
| - ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize))));
|
| - }
|
| - if (!ranges.length) ranges.push(new Range(start, start));
|
| - setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
|
| - {origin: "*mouse", scroll: false});
|
| - cm.scrollIntoView(pos);
|
| - } else {
|
| - var oldRange = ourRange;
|
| - var anchor = oldRange.anchor, head = pos;
|
| - if (type != "single") {
|
| - if (type == "double")
|
| - var range = cm.findWordAt(pos);
|
| - else
|
| - var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0)));
|
| - if (cmp(range.anchor, anchor) > 0) {
|
| - head = range.head;
|
| - anchor = minPos(oldRange.from(), range.anchor);
|
| - } else {
|
| - head = range.anchor;
|
| - anchor = maxPos(oldRange.to(), range.head);
|
| - }
|
| - }
|
| - var ranges = startSel.ranges.slice(0);
|
| - ranges[ourIndex] = new Range(clipPos(doc, anchor), head);
|
| - setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse);
|
| - }
|
| - }
|
| -
|
| - var editorSize = display.wrapper.getBoundingClientRect();
|
| - // Used to ensure timeout re-tries don't fire when another extend
|
| - // happened in the meantime (clearTimeout isn't reliable -- at
|
| - // least on Chrome, the timeouts still happen even when cleared,
|
| - // if the clear happens after their scheduled firing time).
|
| - var counter = 0;
|
| -
|
| - function extend(e) {
|
| - var curCount = ++counter;
|
| - var cur = posFromMouse(cm, e, true, type == "rect");
|
| - if (!cur) return;
|
| - if (cmp(cur, lastPos) != 0) {
|
| - cm.curOp.focus = activeElt();
|
| - extendTo(cur);
|
| - var visible = visibleLines(display, doc);
|
| - if (cur.line >= visible.to || cur.line < visible.from)
|
| - setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150);
|
| - } else {
|
| - var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
|
| - if (outside) setTimeout(operation(cm, function() {
|
| - if (counter != curCount) return;
|
| - display.scroller.scrollTop += outside;
|
| - extend(e);
|
| - }), 50);
|
| - }
|
| - }
|
| -
|
| - function done(e) {
|
| - cm.state.selectingText = false;
|
| - counter = Infinity;
|
| - e_preventDefault(e);
|
| - display.input.focus();
|
| - off(document, "mousemove", move);
|
| - off(document, "mouseup", up);
|
| - doc.history.lastSelOrigin = null;
|
| - }
|
| -
|
| - var move = operation(cm, function(e) {
|
| - if (!e_button(e)) done(e);
|
| - else extend(e);
|
| - });
|
| - var up = operation(cm, done);
|
| - cm.state.selectingText = up;
|
| - on(document, "mousemove", move);
|
| - on(document, "mouseup", up);
|
| - }
|
| -
|
| - // Determines whether an event happened in the gutter, and fires the
|
| - // handlers for the corresponding event.
|
| - function gutterEvent(cm, e, type, prevent) {
|
| - try { var mX = e.clientX, mY = e.clientY; }
|
| - catch(e) { return false; }
|
| - if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false;
|
| - if (prevent) e_preventDefault(e);
|
| -
|
| - var display = cm.display;
|
| - var lineBox = display.lineDiv.getBoundingClientRect();
|
| -
|
| - if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e);
|
| - mY -= lineBox.top - display.viewOffset;
|
| -
|
| - for (var i = 0; i < cm.options.gutters.length; ++i) {
|
| - var g = display.gutters.childNodes[i];
|
| - if (g && g.getBoundingClientRect().right >= mX) {
|
| - var line = lineAtHeight(cm.doc, mY);
|
| - var gutter = cm.options.gutters[i];
|
| - signal(cm, type, cm, line, gutter, e);
|
| - return e_defaultPrevented(e);
|
| - }
|
| - }
|
| - }
|
| -
|
| - function clickInGutter(cm, e) {
|
| - return gutterEvent(cm, e, "gutterClick", true);
|
| - }
|
| -
|
| - // Kludge to work around strange IE behavior where it'll sometimes
|
| - // re-fire a series of drag-related events right after the drop (#1551)
|
| - var lastDrop = 0;
|
| -
|
| - function onDrop(e) {
|
| - var cm = this;
|
| - clearDragCursor(cm);
|
| - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
|
| - return;
|
| - e_preventDefault(e);
|
| - if (ie) lastDrop = +new Date;
|
| - var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
|
| - if (!pos || cm.isReadOnly()) return;
|
| - // Might be a file drop, in which case we simply extract the text
|
| - // and insert it.
|
| - if (files && files.length && window.FileReader && window.File) {
|
| - var n = files.length, text = Array(n), read = 0;
|
| - var loadFile = function(file, i) {
|
| - if (cm.options.allowDropFileTypes &&
|
| - indexOf(cm.options.allowDropFileTypes, file.type) == -1)
|
| - return;
|
| -
|
| - var reader = new FileReader;
|
| - reader.onload = operation(cm, function() {
|
| - var content = reader.result;
|
| - if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) content = "";
|
| - text[i] = content;
|
| - if (++read == n) {
|
| - pos = clipPos(cm.doc, pos);
|
| - var change = {from: pos, to: pos,
|
| - text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
|
| - origin: "paste"};
|
| - makeChange(cm.doc, change);
|
| - setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
|
| - }
|
| - });
|
| - reader.readAsText(file);
|
| - };
|
| - for (var i = 0; i < n; ++i) loadFile(files[i], i);
|
| - } else { // Normal drop
|
| - // Don't do a replace if the drop happened inside of the selected text.
|
| - if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
|
| - cm.state.draggingText(e);
|
| - // Ensure the editor is re-focused
|
| - setTimeout(function() {cm.display.input.focus();}, 20);
|
| - return;
|
| - }
|
| - try {
|
| - var text = e.dataTransfer.getData("Text");
|
| - if (text) {
|
| - if (cm.state.draggingText && !cm.state.draggingText.copy)
|
| - var selected = cm.listSelections();
|
| - setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
|
| - if (selected) for (var i = 0; i < selected.length; ++i)
|
| - replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag");
|
| - cm.replaceSelection(text, "around", "paste");
|
| - cm.display.input.focus();
|
| - }
|
| - }
|
| - catch(e){}
|
| - }
|
| - }
|
| -
|
| - function onDragStart(cm, e) {
|
| - if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; }
|
| - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return;
|
| -
|
| - e.dataTransfer.setData("Text", cm.getSelection());
|
| - e.dataTransfer.effectAllowed = "copyMove"
|
| -
|
| - // Use dummy image instead of default browsers image.
|
| - // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
|
| - if (e.dataTransfer.setDragImage && !safari) {
|
| - var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
|
| - img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
|
| - if (presto) {
|
| - img.width = img.height = 1;
|
| - cm.display.wrapper.appendChild(img);
|
| - // Force a relayout, or Opera won't use our image for some obscure reason
|
| - img._top = img.offsetTop;
|
| - }
|
| - e.dataTransfer.setDragImage(img, 0, 0);
|
| - if (presto) img.parentNode.removeChild(img);
|
| - }
|
| - }
|
| -
|
| - function onDragOver(cm, e) {
|
| - var pos = posFromMouse(cm, e);
|
| - if (!pos) return;
|
| - var frag = document.createDocumentFragment();
|
| - drawSelectionCursor(cm, pos, frag);
|
| - if (!cm.display.dragCursor) {
|
| - cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
|
| - cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
|
| - }
|
| - removeChildrenAndAdd(cm.display.dragCursor, frag);
|
| - }
|
| -
|
| - function clearDragCursor(cm) {
|
| - if (cm.display.dragCursor) {
|
| - cm.display.lineSpace.removeChild(cm.display.dragCursor);
|
| - cm.display.dragCursor = null;
|
| - }
|
| - }
|
| -
|
| - // SCROLL EVENTS
|
| -
|
| - // Sync the scrollable area and scrollbars, ensure the viewport
|
| - // covers the visible area.
|
| - function setScrollTop(cm, val) {
|
| - if (Math.abs(cm.doc.scrollTop - val) < 2) return;
|
| - cm.doc.scrollTop = val;
|
| - if (!gecko) updateDisplaySimple(cm, {top: val});
|
| - if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
|
| - cm.display.scrollbars.setScrollTop(val);
|
| - if (gecko) updateDisplaySimple(cm);
|
| - startWorker(cm, 100);
|
| - }
|
| - // Sync scroller and scrollbar, ensure the gutter elements are
|
| - // aligned.
|
| - function setScrollLeft(cm, val, isScroller) {
|
| - if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return;
|
| - val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
|
| - cm.doc.scrollLeft = val;
|
| - alignHorizontally(cm);
|
| - if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val;
|
| - cm.display.scrollbars.setScrollLeft(val);
|
| - }
|
| -
|
| - // Since the delta values reported on mouse wheel events are
|
| - // unstandardized between browsers and even browser versions, and
|
| - // generally horribly unpredictable, this code starts by measuring
|
| - // the scroll effect that the first few mouse wheel events have,
|
| - // and, from that, detects the way it can convert deltas to pixel
|
| - // offsets afterwards.
|
| - //
|
| - // The reason we want to know the amount a wheel event will scroll
|
| - // is that it gives us a chance to update the display before the
|
| - // actual scrolling happens, reducing flickering.
|
| -
|
| - var wheelSamples = 0, wheelPixelsPerUnit = null;
|
| - // Fill in a browser-detected starting value on browsers where we
|
| - // know one. These don't have to be accurate -- the result of them
|
| - // being wrong would just be a slight flicker on the first wheel
|
| - // scroll (if it is large enough).
|
| - if (ie) wheelPixelsPerUnit = -.53;
|
| - else if (gecko) wheelPixelsPerUnit = 15;
|
| - else if (chrome) wheelPixelsPerUnit = -.7;
|
| - else if (safari) wheelPixelsPerUnit = -1/3;
|
| -
|
| - var wheelEventDelta = function(e) {
|
| - var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
|
| - if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail;
|
| - if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail;
|
| - else if (dy == null) dy = e.wheelDelta;
|
| - return {x: dx, y: dy};
|
| - };
|
| - CodeMirror.wheelEventPixels = function(e) {
|
| - var delta = wheelEventDelta(e);
|
| - delta.x *= wheelPixelsPerUnit;
|
| - delta.y *= wheelPixelsPerUnit;
|
| - return delta;
|
| - };
|
| -
|
| - function onScrollWheel(cm, e) {
|
| - var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;
|
| -
|
| - var display = cm.display, scroll = display.scroller;
|
| - // Quit if there's nothing to scroll here
|
| - var canScrollX = scroll.scrollWidth > scroll.clientWidth;
|
| - var canScrollY = scroll.scrollHeight > scroll.clientHeight;
|
| - if (!(dx && canScrollX || dy && canScrollY)) return;
|
| -
|
| - // Webkit browsers on OS X abort momentum scrolls when the target
|
| - // of the scroll event is removed from the scrollable element.
|
| - // This hack (see related code in patchDisplay) makes sure the
|
| - // element is kept around.
|
| - if (dy && mac && webkit) {
|
| - outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
|
| - for (var i = 0; i < view.length; i++) {
|
| - if (view[i].node == cur) {
|
| - cm.display.currentWheelTarget = cur;
|
| - break outer;
|
| - }
|
| - }
|
| - }
|
| - }
|
| -
|
| - // On some browsers, horizontal scrolling will cause redraws to
|
| - // happen before the gutter has been realigned, causing it to
|
| - // wriggle around in a most unseemly way. When we have an
|
| - // estimated pixels/delta value, we just handle horizontal
|
| - // scrolling entirely here. It'll be slightly off from native, but
|
| - // better than glitching out.
|
| - if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
|
| - if (dy && canScrollY)
|
| - setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight)));
|
| - setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)));
|
| - // Only prevent default scrolling if vertical scrolling is
|
| - // actually possible. Otherwise, it causes vertical scroll
|
| - // jitter on OSX trackpads when deltaX is small and deltaY
|
| - // is large (issue #3579)
|
| - if (!dy || (dy && canScrollY))
|
| - e_preventDefault(e);
|
| - display.wheelStartX = null; // Abort measurement, if in progress
|
| - return;
|
| - }
|
| -
|
| - // 'Project' the visible viewport to cover the area that is being
|
| - // scrolled into view (if we know enough to estimate it).
|
| - if (dy && wheelPixelsPerUnit != null) {
|
| - var pixels = dy * wheelPixelsPerUnit;
|
| - var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
|
| - if (pixels < 0) top = Math.max(0, top + pixels - 50);
|
| - else bot = Math.min(cm.doc.height, bot + pixels + 50);
|
| - updateDisplaySimple(cm, {top: top, bottom: bot});
|
| - }
|
| -
|
| - if (wheelSamples < 20) {
|
| - if (display.wheelStartX == null) {
|
| - display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
|
| - display.wheelDX = dx; display.wheelDY = dy;
|
| - setTimeout(function() {
|
| - if (display.wheelStartX == null) return;
|
| - var movedX = scroll.scrollLeft - display.wheelStartX;
|
| - var movedY = scroll.scrollTop - display.wheelStartY;
|
| - var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
|
| - (movedX && display.wheelDX && movedX / display.wheelDX);
|
| - display.wheelStartX = display.wheelStartY = null;
|
| - if (!sample) return;
|
| - wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
|
| - ++wheelSamples;
|
| - }, 200);
|
| - } else {
|
| - display.wheelDX += dx; display.wheelDY += dy;
|
| - }
|
| - }
|
| - }
|
| -
|
| - // KEY EVENTS
|
| -
|
| - // Run a handler that was bound to a key.
|
| - function doHandleBinding(cm, bound, dropShift) {
|
| - if (typeof bound == "string") {
|
| - bound = commands[bound];
|
| - if (!bound) return false;
|
| - }
|
| - // Ensure previous input has been read, so that the handler sees a
|
| - // consistent view of the document
|
| - cm.display.input.ensurePolled();
|
| - var prevShift = cm.display.shift, done = false;
|
| - try {
|
| - if (cm.isReadOnly()) cm.state.suppressEdits = true;
|
| - if (dropShift) cm.display.shift = false;
|
| - done = bound(cm) != Pass;
|
| - } finally {
|
| - cm.display.shift = prevShift;
|
| - cm.state.suppressEdits = false;
|
| - }
|
| - return done;
|
| - }
|
| -
|
| - function lookupKeyForEditor(cm, name, handle) {
|
| - for (var i = 0; i < cm.state.keyMaps.length; i++) {
|
| - var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
|
| - if (result) return result;
|
| - }
|
| - return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
|
| - || lookupKey(name, cm.options.keyMap, handle, cm);
|
| - }
|
| -
|
| - var stopSeq = new Delayed;
|
| - function dispatchKey(cm, name, e, handle) {
|
| - var seq = cm.state.keySeq;
|
| - if (seq) {
|
| - if (isModifierKey(name)) return "handled";
|
| - stopSeq.set(50, function() {
|
| - if (cm.state.keySeq == seq) {
|
| - cm.state.keySeq = null;
|
| - cm.display.input.reset();
|
| - }
|
| - });
|
| - name = seq + " " + name;
|
| - }
|
| - var result = lookupKeyForEditor(cm, name, handle);
|
| -
|
| - if (result == "multi")
|
| - cm.state.keySeq = name;
|
| - if (result == "handled")
|
| - signalLater(cm, "keyHandled", cm, name, e);
|
| -
|
| - if (result == "handled" || result == "multi") {
|
| - e_preventDefault(e);
|
| - restartBlink(cm);
|
| - }
|
| -
|
| - if (seq && !result && /\'$/.test(name)) {
|
| - e_preventDefault(e);
|
| - return true;
|
| - }
|
| - return !!result;
|
| - }
|
| -
|
| - // Handle a key from the keydown event.
|
| - function handleKeyBinding(cm, e) {
|
| - var name = keyName(e, true);
|
| - if (!name) return false;
|
| -
|
| - if (e.shiftKey && !cm.state.keySeq) {
|
| - // First try to resolve full name (including 'Shift-'). Failing
|
| - // that, see if there is a cursor-motion command (starting with
|
| - // 'go') bound to the keyname without 'Shift-'.
|
| - return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);})
|
| - || dispatchKey(cm, name, e, function(b) {
|
| - if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
|
| - return doHandleBinding(cm, b);
|
| - });
|
| - } else {
|
| - return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); });
|
| - }
|
| - }
|
| -
|
| - // Handle a key from the keypress event
|
| - function handleCharBinding(cm, e, ch) {
|
| - return dispatchKey(cm, "'" + ch + "'", e,
|
| - function(b) { return doHandleBinding(cm, b, true); });
|
| - }
|
| -
|
| - var lastStoppedKey = null;
|
| - function onKeyDown(e) {
|
| - var cm = this;
|
| - cm.curOp.focus = activeElt();
|
| - if (signalDOMEvent(cm, e)) return;
|
| - // IE does strange things with escape.
|
| - if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false;
|
| - var code = e.keyCode;
|
| - cm.display.shift = code == 16 || e.shiftKey;
|
| - var handled = handleKeyBinding(cm, e);
|
| - if (presto) {
|
| - lastStoppedKey = handled ? code : null;
|
| - // Opera has no cut event... we try to at least catch the key combo
|
| - if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
|
| - cm.replaceSelection("", null, "cut");
|
| - }
|
| -
|
| - // Turn mouse into crosshair when Alt is held on Mac.
|
| - if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
|
| - showCrossHair(cm);
|
| - }
|
| -
|
| - function showCrossHair(cm) {
|
| - var lineDiv = cm.display.lineDiv;
|
| - addClass(lineDiv, "CodeMirror-crosshair");
|
| -
|
| - function up(e) {
|
| - if (e.keyCode == 18 || !e.altKey) {
|
| - rmClass(lineDiv, "CodeMirror-crosshair");
|
| - off(document, "keyup", up);
|
| - off(document, "mouseover", up);
|
| - }
|
| - }
|
| - on(document, "keyup", up);
|
| - on(document, "mouseover", up);
|
| - }
|
| -
|
| - function onKeyUp(e) {
|
| - if (e.keyCode == 16) this.doc.sel.shift = false;
|
| - signalDOMEvent(this, e);
|
| - }
|
| -
|
| - function onKeyPress(e) {
|
| - var cm = this;
|
| - if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return;
|
| - var keyCode = e.keyCode, charCode = e.charCode;
|
| - if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
|
| - if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return;
|
| - var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
|
| - if (handleCharBinding(cm, e, ch)) return;
|
| - cm.display.input.onKeyPress(e);
|
| - }
|
| -
|
| - // FOCUS/BLUR EVENTS
|
| -
|
| - function delayBlurEvent(cm) {
|
| - cm.state.delayingBlurEvent = true;
|
| - setTimeout(function() {
|
| - if (cm.state.delayingBlurEvent) {
|
| - cm.state.delayingBlurEvent = false;
|
| - onBlur(cm);
|
| - }
|
| - }, 100);
|
| - }
|
| -
|
| - function onFocus(cm) {
|
| - if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false;
|
| -
|
| - if (cm.options.readOnly == "nocursor") return;
|
| - if (!cm.state.focused) {
|
| - signal(cm, "focus", cm);
|
| - cm.state.focused = true;
|
| - addClass(cm.display.wrapper, "CodeMirror-focused");
|
| - // This test prevents this from firing when a context
|
| - // menu is closed (since the input reset would kill the
|
| - // select-all detection hack)
|
| - if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
|
| - cm.display.input.reset();
|
| - if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730
|
| - }
|
| - cm.display.input.receivedFocus();
|
| - }
|
| - restartBlink(cm);
|
| - }
|
| - function onBlur(cm) {
|
| - if (cm.state.delayingBlurEvent) return;
|
| -
|
| - if (cm.state.focused) {
|
| - signal(cm, "blur", cm);
|
| - cm.state.focused = false;
|
| - rmClass(cm.display.wrapper, "CodeMirror-focused");
|
| - }
|
| - clearInterval(cm.display.blinker);
|
| - setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150);
|
| - }
|
| -
|
| - // CONTEXT MENU HANDLING
|
| -
|
| - // To make the context menu work, we need to briefly unhide the
|
| - // textarea (making it as unobtrusive as possible) to let the
|
| - // right-click take effect on it.
|
| - function onContextMenu(cm, e) {
|
| - if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return;
|
| - if (signalDOMEvent(cm, e, "contextmenu")) return;
|
| - cm.display.input.onContextMenu(e);
|
| - }
|
| -
|
| - function contextMenuInGutter(cm, e) {
|
| - if (!hasHandler(cm, "gutterContextMenu")) return false;
|
| - return gutterEvent(cm, e, "gutterContextMenu", false);
|
| - }
|
| -
|
| - // UPDATING
|
| -
|
| - // Compute the position of the end of a change (its 'to' property
|
| - // refers to the pre-change end).
|
| - var changeEnd = CodeMirror.changeEnd = function(change) {
|
| - if (!change.text) return change.to;
|
| - return Pos(change.from.line + change.text.length - 1,
|
| - lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0));
|
| - };
|
| -
|
| - // Adjust a position to refer to the post-change position of the
|
| - // same text, or the end of the change if the change covers it.
|
| - function adjustForChange(pos, change) {
|
| - if (cmp(pos, change.from) < 0) return pos;
|
| - if (cmp(pos, change.to) <= 0) return changeEnd(change);
|
| -
|
| - var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
|
| - if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch;
|
| - return Pos(line, ch);
|
| - }
|
| -
|
| - function computeSelAfterChange(doc, change) {
|
| - var out = [];
|
| - for (var i = 0; i < doc.sel.ranges.length; i++) {
|
| - var range = doc.sel.ranges[i];
|
| - out.push(new Range(adjustForChange(range.anchor, change),
|
| - adjustForChange(range.head, change)));
|
| - }
|
| - return normalizeSelection(out, doc.sel.primIndex);
|
| - }
|
| -
|
| - function offsetPos(pos, old, nw) {
|
| - if (pos.line == old.line)
|
| - return Pos(nw.line, pos.ch - old.ch + nw.ch);
|
| - else
|
| - return Pos(nw.line + (pos.line - old.line), pos.ch);
|
| - }
|
| -
|
| - // Used by replaceSelections to allow moving the selection to the
|
| - // start or around the replaced test. Hint may be "start" or "around".
|
| - function computeReplacedSel(doc, changes, hint) {
|
| - var out = [];
|
| - var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
|
| - for (var i = 0; i < changes.length; i++) {
|
| - var change = changes[i];
|
| - var from = offsetPos(change.from, oldPrev, newPrev);
|
| - var to = offsetPos(changeEnd(change), oldPrev, newPrev);
|
| - oldPrev = change.to;
|
| - newPrev = to;
|
| - if (hint == "around") {
|
| - var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
|
| - out[i] = new Range(inv ? to : from, inv ? from : to);
|
| - } else {
|
| - out[i] = new Range(from, from);
|
| - }
|
| - }
|
| - return new Selection(out, doc.sel.primIndex);
|
| - }
|
| -
|
| - // Allow "beforeChange" event handlers to influence a change
|
| - function filterChange(doc, change, update) {
|
| - var obj = {
|
| - canceled: false,
|
| - from: change.from,
|
| - to: change.to,
|
| - text: change.text,
|
| - origin: change.origin,
|
| - cancel: function() { this.canceled = true; }
|
| - };
|
| - if (update) obj.update = function(from, to, text, origin) {
|
| - if (from) this.from = clipPos(doc, from);
|
| - if (to) this.to = clipPos(doc, to);
|
| - if (text) this.text = text;
|
| - if (origin !== undefined) this.origin = origin;
|
| - };
|
| - signal(doc, "beforeChange", doc, obj);
|
| - if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj);
|
| -
|
| - if (obj.canceled) return null;
|
| - return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin};
|
| - }
|
| -
|
| - // Apply a change to a document, and add it to the document's
|
| - // history, and propagating it to all linked documents.
|
| - function makeChange(doc, change, ignoreReadOnly) {
|
| - if (doc.cm) {
|
| - if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly);
|
| - if (doc.cm.state.suppressEdits) return;
|
| - }
|
| -
|
| - if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
|
| - change = filterChange(doc, change, true);
|
| - if (!change) return;
|
| - }
|
| -
|
| - // Possibly split or suppress the update based on the presence
|
| - // of read-only spans in its range.
|
| - var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
|
| - if (split) {
|
| - for (var i = split.length - 1; i >= 0; --i)
|
| - makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text});
|
| - } else {
|
| - makeChangeInner(doc, change);
|
| - }
|
| - }
|
| -
|
| - function makeChangeInner(doc, change) {
|
| - if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return;
|
| - var selAfter = computeSelAfterChange(doc, change);
|
| - addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
|
| -
|
| - makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
|
| - var rebased = [];
|
| -
|
| - linkedDocs(doc, function(doc, sharedHist) {
|
| - if (!sharedHist && indexOf(rebased, doc.history) == -1) {
|
| - rebaseHist(doc.history, change);
|
| - rebased.push(doc.history);
|
| - }
|
| - makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
|
| - });
|
| - }
|
| -
|
| - // Revert a change stored in a document's history.
|
| - function makeChangeFromHistory(doc, type, allowSelectionOnly) {
|
| - if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) return;
|
| -
|
| - var hist = doc.history, event, selAfter = doc.sel;
|
| - var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
|
| -
|
| - // Verify that there is a useable event (so that ctrl-z won't
|
| - // needlessly clear selection events)
|
| - for (var i = 0; i < source.length; i++) {
|
| - event = source[i];
|
| - if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
|
| - break;
|
| - }
|
| - if (i == source.length) return;
|
| - hist.lastOrigin = hist.lastSelOrigin = null;
|
| -
|
| - for (;;) {
|
| - event = source.pop();
|
| - if (event.ranges) {
|
| - pushSelectionToHistory(event, dest);
|
| - if (allowSelectionOnly && !event.equals(doc.sel)) {
|
| - setSelection(doc, event, {clearRedo: false});
|
| - return;
|
| - }
|
| - selAfter = event;
|
| - }
|
| - else break;
|
| - }
|
| -
|
| - // Build up a reverse change object to add to the opposite history
|
| - // stack (redo when undoing, and vice versa).
|
| - var antiChanges = [];
|
| - pushSelectionToHistory(selAfter, dest);
|
| - dest.push({changes: antiChanges, generation: hist.generation});
|
| - hist.generation = event.generation || ++hist.maxGeneration;
|
| -
|
| - var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
|
| -
|
| - for (var i = event.changes.length - 1; i >= 0; --i) {
|
| - var change = event.changes[i];
|
| - change.origin = type;
|
| - if (filter && !filterChange(doc, change, false)) {
|
| - source.length = 0;
|
| - return;
|
| - }
|
| -
|
| - antiChanges.push(historyChangeFromChange(doc, change));
|
| -
|
| - var after = i ? computeSelAfterChange(doc, change) : lst(source);
|
| - makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
|
| - if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)});
|
| - var rebased = [];
|
| -
|
| - // Propagate to the linked documents
|
| - linkedDocs(doc, function(doc, sharedHist) {
|
| - if (!sharedHist && indexOf(rebased, doc.history) == -1) {
|
| - rebaseHist(doc.history, change);
|
| - rebased.push(doc.history);
|
| - }
|
| - makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
|
| - });
|
| - }
|
| - }
|
| -
|
| - // Sub-views need their line numbers shifted when text is added
|
| - // above or below them in the parent document.
|
| - function shiftDoc(doc, distance) {
|
| - if (distance == 0) return;
|
| - doc.first += distance;
|
| - doc.sel = new Selection(map(doc.sel.ranges, function(range) {
|
| - return new Range(Pos(range.anchor.line + distance, range.anchor.ch),
|
| - Pos(range.head.line + distance, range.head.ch));
|
| - }), doc.sel.primIndex);
|
| - if (doc.cm) {
|
| - regChange(doc.cm, doc.first, doc.first - distance, distance);
|
| - for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
|
| - regLineChange(doc.cm, l, "gutter");
|
| - }
|
| - }
|
| -
|
| - // More lower-level change function, handling only a single document
|
| - // (not linked ones).
|
| - function makeChangeSingleDoc(doc, change, selAfter, spans) {
|
| - if (doc.cm && !doc.cm.curOp)
|
| - return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans);
|
| -
|
| - if (change.to.line < doc.first) {
|
| - shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
|
| - return;
|
| - }
|
| - if (change.from.line > doc.lastLine()) return;
|
| -
|
| - // Clip the change to the size of this doc
|
| - if (change.from.line < doc.first) {
|
| - var shift = change.text.length - 1 - (doc.first - change.from.line);
|
| - shiftDoc(doc, shift);
|
| - change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
|
| - text: [lst(change.text)], origin: change.origin};
|
| - }
|
| - var last = doc.lastLine();
|
| - if (change.to.line > last) {
|
| - change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
|
| - text: [change.text[0]], origin: change.origin};
|
| - }
|
| -
|
| - change.removed = getBetween(doc, change.from, change.to);
|
| -
|
| - if (!selAfter) selAfter = computeSelAfterChange(doc, change);
|
| - if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans);
|
| - else updateDoc(doc, change, spans);
|
| - setSelectionNoUndo(doc, selAfter, sel_dontScroll);
|
| - }
|
| -
|
| - // Handle the interaction of a change to a document with the editor
|
| - // that this document is part of.
|
| - function makeChangeSingleDocInEditor(cm, change, spans) {
|
| - var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
|
| -
|
| - var recomputeMaxLength = false, checkWidthStart = from.line;
|
| - if (!cm.options.lineWrapping) {
|
| - checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
|
| - doc.iter(checkWidthStart, to.line + 1, function(line) {
|
| - if (line == display.maxLine) {
|
| - recomputeMaxLength = true;
|
| - return true;
|
| - }
|
| - });
|
| - }
|
| -
|
| - if (doc.sel.contains(change.from, change.to) > -1)
|
| - signalCursorActivity(cm);
|
| -
|
| - updateDoc(doc, change, spans, estimateHeight(cm));
|
| -
|
| - if (!cm.options.lineWrapping) {
|
| - doc.iter(checkWidthStart, from.line + change.text.length, function(line) {
|
| - var len = lineLength(line);
|
| - if (len > display.maxLineLength) {
|
| - display.maxLine = line;
|
| - display.maxLineLength = len;
|
| - display.maxLineChanged = true;
|
| - recomputeMaxLength = false;
|
| - }
|
| - });
|
| - if (recomputeMaxLength) cm.curOp.updateMaxLine = true;
|
| - }
|
| -
|
| - // Adjust frontier, schedule worker
|
| - doc.frontier = Math.min(doc.frontier, from.line);
|
| - startWorker(cm, 400);
|
| -
|
| - var lendiff = change.text.length - (to.line - from.line) - 1;
|
| - // Remember that these lines changed, for updating the display
|
| - if (change.full)
|
| - regChange(cm);
|
| - else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
|
| - regLineChange(cm, from.line, "text");
|
| - else
|
| - regChange(cm, from.line, to.line + 1, lendiff);
|
| -
|
| - var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
|
| - if (changeHandler || changesHandler) {
|
| - var obj = {
|
| - from: from, to: to,
|
| - text: change.text,
|
| - removed: change.removed,
|
| - origin: change.origin
|
| - };
|
| - if (changeHandler) signalLater(cm, "change", cm, obj);
|
| - if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj);
|
| - }
|
| - cm.display.selForContextMenu = null;
|
| - }
|
| -
|
| - function replaceRange(doc, code, from, to, origin) {
|
| - if (!to) to = from;
|
| - if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; }
|
| - if (typeof code == "string") code = doc.splitLines(code);
|
| - makeChange(doc, {from: from, to: to, text: code, origin: origin});
|
| - }
|
| -
|
| - // SCROLLING THINGS INTO VIEW
|
| -
|
| - // If an editor sits on the top or bottom of the window, partially
|
| - // scrolled out of view, this ensures that the cursor is visible.
|
| - function maybeScrollWindow(cm, coords) {
|
| - if (signalDOMEvent(cm, "scrollCursorIntoView")) return;
|
| -
|
| - var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
|
| - if (coords.top + box.top < 0) doScroll = true;
|
| - else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false;
|
| - if (doScroll != null && !phantom) {
|
| - var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " +
|
| - (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " +
|
| - (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " +
|
| - coords.left + "px; width: 2px;");
|
| - cm.display.lineSpace.appendChild(scrollNode);
|
| - scrollNode.scrollIntoView(doScroll);
|
| - cm.display.lineSpace.removeChild(scrollNode);
|
| - }
|
| - }
|
| -
|
| - // Scroll a given position into view (immediately), verifying that
|
| - // it actually became visible (as line heights are accurately
|
| - // measured, the position of something may 'drift' during drawing).
|
| - function scrollPosIntoView(cm, pos, end, margin) {
|
| - if (margin == null) margin = 0;
|
| - for (var limit = 0; limit < 5; limit++) {
|
| - var changed = false, coords = cursorCoords(cm, pos);
|
| - var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
|
| - var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left),
|
| - Math.min(coords.top, endCoords.top) - margin,
|
| - Math.max(coords.left, endCoords.left),
|
| - Math.max(coords.bottom, endCoords.bottom) + margin);
|
| - var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
|
| - if (scrollPos.scrollTop != null) {
|
| - setScrollTop(cm, scrollPos.scrollTop);
|
| - if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true;
|
| - }
|
| - if (scrollPos.scrollLeft != null) {
|
| - setScrollLeft(cm, scrollPos.scrollLeft);
|
| - if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true;
|
| - }
|
| - if (!changed) break;
|
| - }
|
| - return coords;
|
| - }
|
| -
|
| - // Scroll a given set of coordinates into view (immediately).
|
| - function scrollIntoView(cm, x1, y1, x2, y2) {
|
| - var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2);
|
| - if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop);
|
| - if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft);
|
| - }
|
| -
|
| - // Calculate a new scroll position needed to scroll the given
|
| - // rectangle into view. Returns an object with scrollTop and
|
| - // scrollLeft properties. When these are undefined, the
|
| - // vertical/horizontal position does not need to be adjusted.
|
| - function calculateScrollPos(cm, x1, y1, x2, y2) {
|
| - var display = cm.display, snapMargin = textHeight(cm.display);
|
| - if (y1 < 0) y1 = 0;
|
| - var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
|
| - var screen = displayHeight(cm), result = {};
|
| - if (y2 - y1 > screen) y2 = y1 + screen;
|
| - var docBottom = cm.doc.height + paddingVert(display);
|
| - var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin;
|
| - if (y1 < screentop) {
|
| - result.scrollTop = atTop ? 0 : y1;
|
| - } else if (y2 > screentop + screen) {
|
| - var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen);
|
| - if (newTop != screentop) result.scrollTop = newTop;
|
| - }
|
| -
|
| - var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
|
| - var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);
|
| - var tooWide = x2 - x1 > screenw;
|
| - if (tooWide) x2 = x1 + screenw;
|
| - if (x1 < 10)
|
| - result.scrollLeft = 0;
|
| - else if (x1 < screenleft)
|
| - result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10));
|
| - else if (x2 > screenw + screenleft - 3)
|
| - result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw;
|
| - return result;
|
| - }
|
| -
|
| - // Store a relative adjustment to the scroll position in the current
|
| - // operation (to be applied when the operation finishes).
|
| - function addToScrollPos(cm, left, top) {
|
| - if (left != null || top != null) resolveScrollToPos(cm);
|
| - if (left != null)
|
| - cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left;
|
| - if (top != null)
|
| - cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
|
| - }
|
| -
|
| - // Make sure that at the end of the operation the current cursor is
|
| - // shown.
|
| - function ensureCursorVisible(cm) {
|
| - resolveScrollToPos(cm);
|
| - var cur = cm.getCursor(), from = cur, to = cur;
|
| - if (!cm.options.lineWrapping) {
|
| - from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur;
|
| - to = Pos(cur.line, cur.ch + 1);
|
| - }
|
| - cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true};
|
| - }
|
| -
|
| - // When an operation has its scrollToPos property set, and another
|
| - // scroll action is applied before the end of the operation, this
|
| - // 'simulates' scrolling that position into view in a cheap way, so
|
| - // that the effect of intermediate scroll commands is not ignored.
|
| - function resolveScrollToPos(cm) {
|
| - var range = cm.curOp.scrollToPos;
|
| - if (range) {
|
| - cm.curOp.scrollToPos = null;
|
| - var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to);
|
| - var sPos = calculateScrollPos(cm, Math.min(from.left, to.left),
|
| - Math.min(from.top, to.top) - range.margin,
|
| - Math.max(from.right, to.right),
|
| - Math.max(from.bottom, to.bottom) + range.margin);
|
| - cm.scrollTo(sPos.scrollLeft, sPos.scrollTop);
|
| - }
|
| - }
|
| -
|
| - // API UTILITIES
|
| -
|
| - // Indent the given line. The how parameter can be "smart",
|
| - // "add"/null, "subtract", or "prev". When aggressive is false
|
| - // (typically set to true for forced single-line indents), empty
|
| - // lines are not indented, and places where the mode returns Pass
|
| - // are left alone.
|
| - function indentLine(cm, n, how, aggressive) {
|
| - var doc = cm.doc, state;
|
| - if (how == null) how = "add";
|
| - if (how == "smart") {
|
| - // Fall back to "prev" when the mode doesn't have an indentation
|
| - // method.
|
| - if (!doc.mode.indent) how = "prev";
|
| - else state = getStateBefore(cm, n);
|
| - }
|
| -
|
| - var tabSize = cm.options.tabSize;
|
| - var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
|
| - if (line.stateAfter) line.stateAfter = null;
|
| - var curSpaceString = line.text.match(/^\s*/)[0], indentation;
|
| - if (!aggressive && !/\S/.test(line.text)) {
|
| - indentation = 0;
|
| - how = "not";
|
| - } else if (how == "smart") {
|
| - indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
|
| - if (indentation == Pass || indentation > 150) {
|
| - if (!aggressive) return;
|
| - how = "prev";
|
| - }
|
| - }
|
| - if (how == "prev") {
|
| - if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
|
| - else indentation = 0;
|
| - } else if (how == "add") {
|
| - indentation = curSpace + cm.options.indentUnit;
|
| - } else if (how == "subtract") {
|
| - indentation = curSpace - cm.options.indentUnit;
|
| - } else if (typeof how == "number") {
|
| - indentation = curSpace + how;
|
| - }
|
| - indentation = Math.max(0, indentation);
|
| -
|
| - var indentString = "", pos = 0;
|
| - if (cm.options.indentWithTabs)
|
| - for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
|
| - if (pos < indentation) indentString += spaceStr(indentation - pos);
|
| -
|
| - if (indentString != curSpaceString) {
|
| - replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
|
| - line.stateAfter = null;
|
| - return true;
|
| - } else {
|
| - // Ensure that, if the cursor was in the whitespace at the start
|
| - // of the line, it is moved to the end of that space.
|
| - for (var i = 0; i < doc.sel.ranges.length; i++) {
|
| - var range = doc.sel.ranges[i];
|
| - if (range.head.line == n && range.head.ch < curSpaceString.length) {
|
| - var pos = Pos(n, curSpaceString.length);
|
| - replaceOneSelection(doc, i, new Range(pos, pos));
|
| - break;
|
| - }
|
| - }
|
| - }
|
| - }
|
| -
|
| - // Utility for applying a change to a line by handle or number,
|
| - // returning the number and optionally registering the line as
|
| - // changed.
|
| - function changeLine(doc, handle, changeType, op) {
|
| - var no = handle, line = handle;
|
| - if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle));
|
| - else no = lineNo(handle);
|
| - if (no == null) return null;
|
| - if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType);
|
| - return line;
|
| - }
|
| -
|
| - // Helper for deleting text near the selection(s), used to implement
|
| - // backspace, delete, and similar functionality.
|
| - function deleteNearSelection(cm, compute) {
|
| - var ranges = cm.doc.sel.ranges, kill = [];
|
| - // Build up a set of ranges to kill first, merging overlapping
|
| - // ranges.
|
| - for (var i = 0; i < ranges.length; i++) {
|
| - var toKill = compute(ranges[i]);
|
| - while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
|
| - var replaced = kill.pop();
|
| - if (cmp(replaced.from, toKill.from) < 0) {
|
| - toKill.from = replaced.from;
|
| - break;
|
| - }
|
| - }
|
| - kill.push(toKill);
|
| - }
|
| - // Next, remove those actual ranges.
|
| - runInOp(cm, function() {
|
| - for (var i = kill.length - 1; i >= 0; i--)
|
| - replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete");
|
| - ensureCursorVisible(cm);
|
| - });
|
| - }
|
| -
|
| - // Used for horizontal relative motion. Dir is -1 or 1 (left or
|
| - // right), unit can be "char", "column" (like char, but doesn't
|
| - // cross line boundaries), "word" (across next word), or "group" (to
|
| - // the start of next group of word or non-word-non-whitespace
|
| - // chars). The visually param controls whether, in right-to-left
|
| - // text, direction 1 means to move towards the next index in the
|
| - // string, or towards the character to the right of the current
|
| - // position. The resulting position will have a hitSide=true
|
| - // property if it reached the end of the document.
|
| - function findPosH(doc, pos, dir, unit, visually) {
|
| - var line = pos.line, ch = pos.ch, origDir = dir;
|
| - var lineObj = getLine(doc, line);
|
| - function findNextLine() {
|
| - var l = line + dir;
|
| - if (l < doc.first || l >= doc.first + doc.size) return false
|
| - line = l;
|
| - return lineObj = getLine(doc, l);
|
| - }
|
| - function moveOnce(boundToLine) {
|
| - var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true);
|
| - if (next == null) {
|
| - if (!boundToLine && findNextLine()) {
|
| - if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj);
|
| - else ch = dir < 0 ? lineObj.text.length : 0;
|
| - } else return false
|
| - } else ch = next;
|
| - return true;
|
| - }
|
| -
|
| - if (unit == "char") {
|
| - moveOnce()
|
| - } else if (unit == "column") {
|
| - moveOnce(true)
|
| - } else if (unit == "word" || unit == "group") {
|
| - var sawType = null, group = unit == "group";
|
| - var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
|
| - for (var first = true;; first = false) {
|
| - if (dir < 0 && !moveOnce(!first)) break;
|
| - var cur = lineObj.text.charAt(ch) || "\n";
|
| - var type = isWordChar(cur, helper) ? "w"
|
| - : group && cur == "\n" ? "n"
|
| - : !group || /\s/.test(cur) ? null
|
| - : "p";
|
| - if (group && !first && !type) type = "s";
|
| - if (sawType && sawType != type) {
|
| - if (dir < 0) {dir = 1; moveOnce();}
|
| - break;
|
| - }
|
| -
|
| - if (type) sawType = type;
|
| - if (dir > 0 && !moveOnce(!first)) break;
|
| - }
|
| - }
|
| - var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true);
|
| - if (!cmp(pos, result)) result.hitSide = true;
|
| - return result;
|
| - }
|
| -
|
| - // For relative vertical movement. Dir may be -1 or 1. Unit can be
|
| - // "page" or "line". The resulting position will have a hitSide=true
|
| - // property if it reached the end of the document.
|
| - function findPosV(cm, pos, dir, unit) {
|
| - var doc = cm.doc, x = pos.left, y;
|
| - if (unit == "page") {
|
| - var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
|
| - y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display));
|
| - } else if (unit == "line") {
|
| - y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
|
| - }
|
| - for (;;) {
|
| - var target = coordsChar(cm, x, y);
|
| - if (!target.outside) break;
|
| - if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; }
|
| - y += dir * 5;
|
| - }
|
| - return target;
|
| - }
|
| -
|
| - // EDITOR METHODS
|
| -
|
| - // The publicly visible API. Note that methodOp(f) means
|
| - // 'wrap f in an operation, performed on its `this` parameter'.
|
| -
|
| - // This is not the complete set of editor methods. Most of the
|
| - // methods defined on the Doc type are also injected into
|
| - // CodeMirror.prototype, for backwards compatibility and
|
| - // convenience.
|
| -
|
| - CodeMirror.prototype = {
|
| - constructor: CodeMirror,
|
| - focus: function(){window.focus(); this.display.input.focus();},
|
| -
|
| - setOption: function(option, value) {
|
| - var options = this.options, old = options[option];
|
| - if (options[option] == value && option != "mode") return;
|
| - options[option] = value;
|
| - if (optionHandlers.hasOwnProperty(option))
|
| - operation(this, optionHandlers[option])(this, value, old);
|
| - },
|
| -
|
| - getOption: function(option) {return this.options[option];},
|
| - getDoc: function() {return this.doc;},
|
| -
|
| - addKeyMap: function(map, bottom) {
|
| - this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map));
|
| - },
|
| - removeKeyMap: function(map) {
|
| - var maps = this.state.keyMaps;
|
| - for (var i = 0; i < maps.length; ++i)
|
| - if (maps[i] == map || maps[i].name == map) {
|
| - maps.splice(i, 1);
|
| - return true;
|
| - }
|
| - },
|
| -
|
| - addOverlay: methodOp(function(spec, options) {
|
| - var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
|
| - if (mode.startState) throw new Error("Overlays may not be stateful.");
|
| - this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque});
|
| - this.state.modeGen++;
|
| - regChange(this);
|
| - }),
|
| - removeOverlay: methodOp(function(spec) {
|
| - var overlays = this.state.overlays;
|
| - for (var i = 0; i < overlays.length; ++i) {
|
| - var cur = overlays[i].modeSpec;
|
| - if (cur == spec || typeof spec == "string" && cur.name == spec) {
|
| - overlays.splice(i, 1);
|
| - this.state.modeGen++;
|
| - regChange(this);
|
| - return;
|
| - }
|
| - }
|
| - }),
|
| -
|
| - indentLine: methodOp(function(n, dir, aggressive) {
|
| - if (typeof dir != "string" && typeof dir != "number") {
|
| - if (dir == null) dir = this.options.smartIndent ? "smart" : "prev";
|
| - else dir = dir ? "add" : "subtract";
|
| - }
|
| - if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive);
|
| - }),
|
| - indentSelection: methodOp(function(how) {
|
| - var ranges = this.doc.sel.ranges, end = -1;
|
| - for (var i = 0; i < ranges.length; i++) {
|
| - var range = ranges[i];
|
| - if (!range.empty()) {
|
| - var from = range.from(), to = range.to();
|
| - var start = Math.max(end, from.line);
|
| - end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
|
| - for (var j = start; j < end; ++j)
|
| - indentLine(this, j, how);
|
| - var newRanges = this.doc.sel.ranges;
|
| - if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
|
| - replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll);
|
| - } else if (range.head.line > end) {
|
| - indentLine(this, range.head.line, how, true);
|
| - end = range.head.line;
|
| - if (i == this.doc.sel.primIndex) ensureCursorVisible(this);
|
| - }
|
| - }
|
| - }),
|
| -
|
| - // Fetch the parser token for a given character. Useful for hacks
|
| - // that want to inspect the mode state (say, for completion).
|
| - getTokenAt: function(pos, precise) {
|
| - return takeToken(this, pos, precise);
|
| - },
|
| -
|
| - getLineTokens: function(line, precise) {
|
| - return takeToken(this, Pos(line), precise, true);
|
| - },
|
| -
|
| - getTokenTypeAt: function(pos) {
|
| - pos = clipPos(this.doc, pos);
|
| - var styles = getLineStyles(this, getLine(this.doc, pos.line));
|
| - var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
|
| - var type;
|
| - if (ch == 0) type = styles[2];
|
| - else for (;;) {
|
| - var mid = (before + after) >> 1;
|
| - if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid;
|
| - else if (styles[mid * 2 + 1] < ch) before = mid + 1;
|
| - else { type = styles[mid * 2 + 2]; break; }
|
| - }
|
| - var cut = type ? type.indexOf("cm-overlay ") : -1;
|
| - return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1);
|
| - },
|
| -
|
| - getModeAt: function(pos) {
|
| - var mode = this.doc.mode;
|
| - if (!mode.innerMode) return mode;
|
| - return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode;
|
| - },
|
| -
|
| - getHelper: function(pos, type) {
|
| - return this.getHelpers(pos, type)[0];
|
| - },
|
| -
|
| - getHelpers: function(pos, type) {
|
| - var found = [];
|
| - if (!helpers.hasOwnProperty(type)) return found;
|
| - var help = helpers[type], mode = this.getModeAt(pos);
|
| - if (typeof mode[type] == "string") {
|
| - if (help[mode[type]]) found.push(help[mode[type]]);
|
| - } else if (mode[type]) {
|
| - for (var i = 0; i < mode[type].length; i++) {
|
| - var val = help[mode[type][i]];
|
| - if (val) found.push(val);
|
| - }
|
| - } else if (mode.helperType && help[mode.helperType]) {
|
| - found.push(help[mode.helperType]);
|
| - } else if (help[mode.name]) {
|
| - found.push(help[mode.name]);
|
| - }
|
| - for (var i = 0; i < help._global.length; i++) {
|
| - var cur = help._global[i];
|
| - if (cur.pred(mode, this) && indexOf(found, cur.val) == -1)
|
| - found.push(cur.val);
|
| - }
|
| - return found;
|
| - },
|
| -
|
| - getStateAfter: function(line, precise) {
|
| - var doc = this.doc;
|
| - line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
|
| - return getStateBefore(this, line + 1, precise);
|
| - },
|
| -
|
| - cursorCoords: function(start, mode) {
|
| - var pos, range = this.doc.sel.primary();
|
| - if (start == null) pos = range.head;
|
| - else if (typeof start == "object") pos = clipPos(this.doc, start);
|
| - else pos = start ? range.from() : range.to();
|
| - return cursorCoords(this, pos, mode || "page");
|
| - },
|
| -
|
| - charCoords: function(pos, mode) {
|
| - return charCoords(this, clipPos(this.doc, pos), mode || "page");
|
| - },
|
| -
|
| - coordsChar: function(coords, mode) {
|
| - coords = fromCoordSystem(this, coords, mode || "page");
|
| - return coordsChar(this, coords.left, coords.top);
|
| - },
|
| -
|
| - lineAtHeight: function(height, mode) {
|
| - height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
|
| - return lineAtHeight(this.doc, height + this.display.viewOffset);
|
| - },
|
| - heightAtLine: function(line, mode) {
|
| - var end = false, lineObj;
|
| - if (typeof line == "number") {
|
| - var last = this.doc.first + this.doc.size - 1;
|
| - if (line < this.doc.first) line = this.doc.first;
|
| - else if (line > last) { line = last; end = true; }
|
| - lineObj = getLine(this.doc, line);
|
| - } else {
|
| - lineObj = line;
|
| - }
|
| - return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top +
|
| - (end ? this.doc.height - heightAtLine(lineObj) : 0);
|
| - },
|
| -
|
| - defaultTextHeight: function() { return textHeight(this.display); },
|
| - defaultCharWidth: function() { return charWidth(this.display); },
|
| -
|
| - setGutterMarker: methodOp(function(line, gutterID, value) {
|
| - return changeLine(this.doc, line, "gutter", function(line) {
|
| - var markers = line.gutterMarkers || (line.gutterMarkers = {});
|
| - markers[gutterID] = value;
|
| - if (!value && isEmpty(markers)) line.gutterMarkers = null;
|
| - return true;
|
| - });
|
| - }),
|
| -
|
| - clearGutter: methodOp(function(gutterID) {
|
| - var cm = this, doc = cm.doc, i = doc.first;
|
| - doc.iter(function(line) {
|
| - if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
|
| - line.gutterMarkers[gutterID] = null;
|
| - regLineChange(cm, i, "gutter");
|
| - if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null;
|
| - }
|
| - ++i;
|
| - });
|
| - }),
|
| -
|
| - lineInfo: function(line) {
|
| - if (typeof line == "number") {
|
| - if (!isLine(this.doc, line)) return null;
|
| - var n = line;
|
| - line = getLine(this.doc, line);
|
| - if (!line) return null;
|
| - } else {
|
| - var n = lineNo(line);
|
| - if (n == null) return null;
|
| - }
|
| - return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
|
| - textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
|
| - widgets: line.widgets};
|
| - },
|
| -
|
| - getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};},
|
| -
|
| - addWidget: function(pos, node, scroll, vert, horiz) {
|
| - var display = this.display;
|
| - pos = cursorCoords(this, clipPos(this.doc, pos));
|
| - var top = pos.bottom, left = pos.left;
|
| - node.style.position = "absolute";
|
| - node.setAttribute("cm-ignore-events", "true");
|
| - this.display.input.setUneditable(node);
|
| - display.sizer.appendChild(node);
|
| - if (vert == "over") {
|
| - top = pos.top;
|
| - } else if (vert == "above" || vert == "near") {
|
| - var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
|
| - hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
|
| - // Default to positioning above (if specified and possible); otherwise default to positioning below
|
| - if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
|
| - top = pos.top - node.offsetHeight;
|
| - else if (pos.bottom + node.offsetHeight <= vspace)
|
| - top = pos.bottom;
|
| - if (left + node.offsetWidth > hspace)
|
| - left = hspace - node.offsetWidth;
|
| - }
|
| - node.style.top = top + "px";
|
| - node.style.left = node.style.right = "";
|
| - if (horiz == "right") {
|
| - left = display.sizer.clientWidth - node.offsetWidth;
|
| - node.style.right = "0px";
|
| - } else {
|
| - if (horiz == "left") left = 0;
|
| - else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2;
|
| - node.style.left = left + "px";
|
| - }
|
| - if (scroll)
|
| - scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight);
|
| - },
|
| -
|
| - triggerOnKeyDown: methodOp(onKeyDown),
|
| - triggerOnKeyPress: methodOp(onKeyPress),
|
| - triggerOnKeyUp: onKeyUp,
|
| -
|
| - execCommand: function(cmd) {
|
| - if (commands.hasOwnProperty(cmd))
|
| - return commands[cmd].call(null, this);
|
| - },
|
| -
|
| - triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),
|
| -
|
| - findPosH: function(from, amount, unit, visually) {
|
| - var dir = 1;
|
| - if (amount < 0) { dir = -1; amount = -amount; }
|
| - for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
|
| - cur = findPosH(this.doc, cur, dir, unit, visually);
|
| - if (cur.hitSide) break;
|
| - }
|
| - return cur;
|
| - },
|
| -
|
| - moveH: methodOp(function(dir, unit) {
|
| - var cm = this;
|
| - cm.extendSelectionsBy(function(range) {
|
| - if (cm.display.shift || cm.doc.extend || range.empty())
|
| - return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually);
|
| - else
|
| - return dir < 0 ? range.from() : range.to();
|
| - }, sel_move);
|
| - }),
|
| -
|
| - deleteH: methodOp(function(dir, unit) {
|
| - var sel = this.doc.sel, doc = this.doc;
|
| - if (sel.somethingSelected())
|
| - doc.replaceSelection("", null, "+delete");
|
| - else
|
| - deleteNearSelection(this, function(range) {
|
| - var other = findPosH(doc, range.head, dir, unit, false);
|
| - return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other};
|
| - });
|
| - }),
|
| -
|
| - findPosV: function(from, amount, unit, goalColumn) {
|
| - var dir = 1, x = goalColumn;
|
| - if (amount < 0) { dir = -1; amount = -amount; }
|
| - for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
|
| - var coords = cursorCoords(this, cur, "div");
|
| - if (x == null) x = coords.left;
|
| - else coords.left = x;
|
| - cur = findPosV(this, coords, dir, unit);
|
| - if (cur.hitSide) break;
|
| - }
|
| - return cur;
|
| - },
|
| -
|
| - moveV: methodOp(function(dir, unit) {
|
| - var cm = this, doc = this.doc, goals = [];
|
| - var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected();
|
| - doc.extendSelectionsBy(function(range) {
|
| - if (collapse)
|
| - return dir < 0 ? range.from() : range.to();
|
| - var headPos = cursorCoords(cm, range.head, "div");
|
| - if (range.goalColumn != null) headPos.left = range.goalColumn;
|
| - goals.push(headPos.left);
|
| - var pos = findPosV(cm, headPos, dir, unit);
|
| - if (unit == "page" && range == doc.sel.primary())
|
| - addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top);
|
| - return pos;
|
| - }, sel_move);
|
| - if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++)
|
| - doc.sel.ranges[i].goalColumn = goals[i];
|
| - }),
|
| -
|
| - // Find the word at the given position (as returned by coordsChar).
|
| - findWordAt: function(pos) {
|
| - var doc = this.doc, line = getLine(doc, pos.line).text;
|
| - var start = pos.ch, end = pos.ch;
|
| - if (line) {
|
| - var helper = this.getHelper(pos, "wordChars");
|
| - if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end;
|
| - var startChar = line.charAt(start);
|
| - var check = isWordChar(startChar, helper)
|
| - ? function(ch) { return isWordChar(ch, helper); }
|
| - : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);}
|
| - : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
|
| - while (start > 0 && check(line.charAt(start - 1))) --start;
|
| - while (end < line.length && check(line.charAt(end))) ++end;
|
| - }
|
| - return new Range(Pos(pos.line, start), Pos(pos.line, end));
|
| - },
|
| -
|
| - toggleOverwrite: function(value) {
|
| - if (value != null && value == this.state.overwrite) return;
|
| - if (this.state.overwrite = !this.state.overwrite)
|
| - addClass(this.display.cursorDiv, "CodeMirror-overwrite");
|
| - else
|
| - rmClass(this.display.cursorDiv, "CodeMirror-overwrite");
|
| -
|
| - signal(this, "overwriteToggle", this, this.state.overwrite);
|
| - },
|
| - hasFocus: function() { return this.display.input.getField() == activeElt(); },
|
| - isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit); },
|
| -
|
| - scrollTo: methodOp(function(x, y) {
|
| - if (x != null || y != null) resolveScrollToPos(this);
|
| - if (x != null) this.curOp.scrollLeft = x;
|
| - if (y != null) this.curOp.scrollTop = y;
|
| - }),
|
| - getScrollInfo: function() {
|
| - var scroller = this.display.scroller;
|
| - return {left: scroller.scrollLeft, top: scroller.scrollTop,
|
| - height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
|
| - width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
|
| - clientHeight: displayHeight(this), clientWidth: displayWidth(this)};
|
| - },
|
| -
|
| - scrollIntoView: methodOp(function(range, margin) {
|
| - if (range == null) {
|
| - range = {from: this.doc.sel.primary().head, to: null};
|
| - if (margin == null) margin = this.options.cursorScrollMargin;
|
| - } else if (typeof range == "number") {
|
| - range = {from: Pos(range, 0), to: null};
|
| - } else if (range.from == null) {
|
| - range = {from: range, to: null};
|
| - }
|
| - if (!range.to) range.to = range.from;
|
| - range.margin = margin || 0;
|
| -
|
| - if (range.from.line != null) {
|
| - resolveScrollToPos(this);
|
| - this.curOp.scrollToPos = range;
|
| - } else {
|
| - var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left),
|
| - Math.min(range.from.top, range.to.top) - range.margin,
|
| - Math.max(range.from.right, range.to.right),
|
| - Math.max(range.from.bottom, range.to.bottom) + range.margin);
|
| - this.scrollTo(sPos.scrollLeft, sPos.scrollTop);
|
| - }
|
| - }),
|
| -
|
| - setSize: methodOp(function(width, height) {
|
| - var cm = this;
|
| - function interpret(val) {
|
| - return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val;
|
| - }
|
| - if (width != null) cm.display.wrapper.style.width = interpret(width);
|
| - if (height != null) cm.display.wrapper.style.height = interpret(height);
|
| - if (cm.options.lineWrapping) clearLineMeasurementCache(this);
|
| - var lineNo = cm.display.viewFrom;
|
| - cm.doc.iter(lineNo, cm.display.viewTo, function(line) {
|
| - if (line.widgets) for (var i = 0; i < line.widgets.length; i++)
|
| - if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; }
|
| - ++lineNo;
|
| - });
|
| - cm.curOp.forceUpdate = true;
|
| - signal(cm, "refresh", this);
|
| - }),
|
| -
|
| - operation: function(f){return runInOp(this, f);},
|
| -
|
| - refresh: methodOp(function() {
|
| - var oldHeight = this.display.cachedTextHeight;
|
| - regChange(this);
|
| - this.curOp.forceUpdate = true;
|
| - clearCaches(this);
|
| - this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop);
|
| - updateGutterSpace(this);
|
| - if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
|
| - estimateLineHeights(this);
|
| - signal(this, "refresh", this);
|
| - }),
|
| -
|
| - swapDoc: methodOp(function(doc) {
|
| - var old = this.doc;
|
| - old.cm = null;
|
| - attachDoc(this, doc);
|
| - clearCaches(this);
|
| - this.display.input.reset();
|
| - this.scrollTo(doc.scrollLeft, doc.scrollTop);
|
| - this.curOp.forceScroll = true;
|
| - signalLater(this, "swapDoc", this, old);
|
| - return old;
|
| - }),
|
| -
|
| - getInputField: function(){return this.display.input.getField();},
|
| - getWrapperElement: function(){return this.display.wrapper;},
|
| - getScrollerElement: function(){return this.display.scroller;},
|
| - getGutterElement: function(){return this.display.gutters;}
|
| - };
|
| - eventMixin(CodeMirror);
|
| -
|
| - // OPTION DEFAULTS
|
| -
|
| - // The default configuration options.
|
| - var defaults = CodeMirror.defaults = {};
|
| - // Functions to run when options are changed.
|
| - var optionHandlers = CodeMirror.optionHandlers = {};
|
| -
|
| - function option(name, deflt, handle, notOnInit) {
|
| - CodeMirror.defaults[name] = deflt;
|
| - if (handle) optionHandlers[name] =
|
| - notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle;
|
| - }
|
| -
|
| - // Passed to option handlers when there is no old value.
|
| - var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}};
|
| -
|
| - // These two are, on init, called from the constructor because they
|
| - // have to be initialized before the editor can start at all.
|
| - option("value", "", function(cm, val) {
|
| - cm.setValue(val);
|
| - }, true);
|
| - option("mode", null, function(cm, val) {
|
| - cm.doc.modeOption = val;
|
| - loadMode(cm);
|
| - }, true);
|
| -
|
| - option("indentUnit", 2, loadMode, true);
|
| - option("indentWithTabs", false);
|
| - option("smartIndent", true);
|
| - option("tabSize", 4, function(cm) {
|
| - resetModeState(cm);
|
| - clearCaches(cm);
|
| - regChange(cm);
|
| - }, true);
|
| - option("lineSeparator", null, function(cm, val) {
|
| - cm.doc.lineSep = val;
|
| - if (!val) return;
|
| - var newBreaks = [], lineNo = cm.doc.first;
|
| - cm.doc.iter(function(line) {
|
| - for (var pos = 0;;) {
|
| - var found = line.text.indexOf(val, pos);
|
| - if (found == -1) break;
|
| - pos = found + val.length;
|
| - newBreaks.push(Pos(lineNo, found));
|
| - }
|
| - lineNo++;
|
| - });
|
| - for (var i = newBreaks.length - 1; i >= 0; i--)
|
| - replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length))
|
| - });
|
| - option("specialChars", /[\u0000-\u001f\u007f\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) {
|
| - cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
|
| - if (old != CodeMirror.Init) cm.refresh();
|
| - });
|
| - option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true);
|
| - option("electricChars", true);
|
| - option("inputStyle", mobile ? "contenteditable" : "textarea", function() {
|
| - throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME
|
| - }, true);
|
| - option("rtlMoveVisually", !windows);
|
| - option("wholeLineUpdateBefore", true);
|
| -
|
| - option("theme", "default", function(cm) {
|
| - themeChanged(cm);
|
| - guttersChanged(cm);
|
| - }, true);
|
| - option("keyMap", "default", function(cm, val, old) {
|
| - var next = getKeyMap(val);
|
| - var prev = old != CodeMirror.Init && getKeyMap(old);
|
| - if (prev && prev.detach) prev.detach(cm, next);
|
| - if (next.attach) next.attach(cm, prev || null);
|
| - });
|
| - option("extraKeys", null);
|
| -
|
| - option("lineWrapping", false, wrappingChanged, true);
|
| - option("gutters", [], function(cm) {
|
| - setGuttersForLineNumbers(cm.options);
|
| - guttersChanged(cm);
|
| - }, true);
|
| - option("fixedGutter", true, function(cm, val) {
|
| - cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
|
| - cm.refresh();
|
| - }, true);
|
| - option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true);
|
| - option("scrollbarStyle", "native", function(cm) {
|
| - initScrollbars(cm);
|
| - updateScrollbars(cm);
|
| - cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
|
| - cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
|
| - }, true);
|
| - option("lineNumbers", false, function(cm) {
|
| - setGuttersForLineNumbers(cm.options);
|
| - guttersChanged(cm);
|
| - }, true);
|
| - option("firstLineNumber", 1, guttersChanged, true);
|
| - option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true);
|
| - option("showCursorWhenSelecting", false, updateSelection, true);
|
| -
|
| - option("resetSelectionOnContextMenu", true);
|
| - option("lineWiseCopyCut", true);
|
| -
|
| - option("readOnly", false, function(cm, val) {
|
| - if (val == "nocursor") {
|
| - onBlur(cm);
|
| - cm.display.input.blur();
|
| - cm.display.disabled = true;
|
| - } else {
|
| - cm.display.disabled = false;
|
| - }
|
| - cm.display.input.readOnlyChanged(val)
|
| - });
|
| - option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true);
|
| - option("dragDrop", true, dragDropChanged);
|
| - option("allowDropFileTypes", null);
|
| -
|
| - option("cursorBlinkRate", 530);
|
| - option("cursorScrollMargin", 0);
|
| - option("cursorHeight", 1, updateSelection, true);
|
| - option("singleCursorHeightPerLine", true, updateSelection, true);
|
| - option("workTime", 100);
|
| - option("workDelay", 100);
|
| - option("flattenSpans", true, resetModeState, true);
|
| - option("addModeClass", false, resetModeState, true);
|
| - option("pollInterval", 100);
|
| - option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;});
|
| - option("historyEventDelay", 1250);
|
| - option("viewportMargin", 10, function(cm){cm.refresh();}, true);
|
| - option("maxHighlightLength", 10000, resetModeState, true);
|
| - option("moveInputWithCursor", true, function(cm, val) {
|
| - if (!val) cm.display.input.resetPosition();
|
| - });
|
| -
|
| - option("tabindex", null, function(cm, val) {
|
| - cm.display.input.getField().tabIndex = val || "";
|
| - });
|
| - option("autofocus", null);
|
| -
|
| - // MODE DEFINITION AND QUERYING
|
| -
|
| - // Known modes, by name and by MIME
|
| - var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
|
| -
|
| - // Extra arguments are stored as the mode's dependencies, which is
|
| - // used by (legacy) mechanisms like loadmode.js to automatically
|
| - // load a mode. (Preferred mechanism is the require/define calls.)
|
| - CodeMirror.defineMode = function(name, mode) {
|
| - if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
|
| - if (arguments.length > 2)
|
| - mode.dependencies = Array.prototype.slice.call(arguments, 2);
|
| - modes[name] = mode;
|
| - };
|
| -
|
| - CodeMirror.defineMIME = function(mime, spec) {
|
| - mimeModes[mime] = spec;
|
| - };
|
| -
|
| - // Given a MIME type, a {name, ...options} config object, or a name
|
| - // string, return a mode config object.
|
| - CodeMirror.resolveMode = function(spec) {
|
| - if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
|
| - spec = mimeModes[spec];
|
| - } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
|
| - var found = mimeModes[spec.name];
|
| - if (typeof found == "string") found = {name: found};
|
| - spec = createObj(found, spec);
|
| - spec.name = found.name;
|
| - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
|
| - return CodeMirror.resolveMode("application/xml");
|
| - }
|
| - if (typeof spec == "string") return {name: spec};
|
| - else return spec || {name: "null"};
|
| - };
|
| -
|
| - // Given a mode spec (anything that resolveMode accepts), find and
|
| - // initialize an actual mode object.
|
| - CodeMirror.getMode = function(options, spec) {
|
| - var spec = CodeMirror.resolveMode(spec);
|
| - var mfactory = modes[spec.name];
|
| - if (!mfactory) return CodeMirror.getMode(options, "text/plain");
|
| - var modeObj = mfactory(options, spec);
|
| - if (modeExtensions.hasOwnProperty(spec.name)) {
|
| - var exts = modeExtensions[spec.name];
|
| - for (var prop in exts) {
|
| - if (!exts.hasOwnProperty(prop)) continue;
|
| - if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
|
| - modeObj[prop] = exts[prop];
|
| - }
|
| - }
|
| - modeObj.name = spec.name;
|
| - if (spec.helperType) modeObj.helperType = spec.helperType;
|
| - if (spec.modeProps) for (var prop in spec.modeProps)
|
| - modeObj[prop] = spec.modeProps[prop];
|
| -
|
| - return modeObj;
|
| - };
|
| -
|
| - // Minimal default mode.
|
| - CodeMirror.defineMode("null", function() {
|
| - return {token: function(stream) {stream.skipToEnd();}};
|
| - });
|
| - CodeMirror.defineMIME("text/plain", "null");
|
| -
|
| - // This can be used to attach properties to mode objects from
|
| - // outside the actual mode definition.
|
| - var modeExtensions = CodeMirror.modeExtensions = {};
|
| - CodeMirror.extendMode = function(mode, properties) {
|
| - var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
|
| - copyObj(properties, exts);
|
| - };
|
| -
|
| - // EXTENSIONS
|
| -
|
| - CodeMirror.defineExtension = function(name, func) {
|
| - CodeMirror.prototype[name] = func;
|
| - };
|
| - CodeMirror.defineDocExtension = function(name, func) {
|
| - Doc.prototype[name] = func;
|
| - };
|
| - CodeMirror.defineOption = option;
|
| -
|
| - var initHooks = [];
|
| - CodeMirror.defineInitHook = function(f) {initHooks.push(f);};
|
| -
|
| - var helpers = CodeMirror.helpers = {};
|
| - CodeMirror.registerHelper = function(type, name, value) {
|
| - if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []};
|
| - helpers[type][name] = value;
|
| - };
|
| - CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
|
| - CodeMirror.registerHelper(type, name, value);
|
| - helpers[type]._global.push({pred: predicate, val: value});
|
| - };
|
| -
|
| - // MODE STATE HANDLING
|
| -
|
| - // Utility functions for working with state. Exported because nested
|
| - // modes need to do this for their inner modes.
|
| -
|
| - var copyState = CodeMirror.copyState = function(mode, state) {
|
| - if (state === true) return state;
|
| - if (mode.copyState) return mode.copyState(state);
|
| - var nstate = {};
|
| - for (var n in state) {
|
| - var val = state[n];
|
| - if (val instanceof Array) val = val.concat([]);
|
| - nstate[n] = val;
|
| - }
|
| - return nstate;
|
| - };
|
| -
|
| - var startState = CodeMirror.startState = function(mode, a1, a2) {
|
| - return mode.startState ? mode.startState(a1, a2) : true;
|
| - };
|
| -
|
| - // Given a mode and a state (for that mode), find the inner mode and
|
| - // state at the position that the state refers to.
|
| - CodeMirror.innerMode = function(mode, state) {
|
| - while (mode.innerMode) {
|
| - var info = mode.innerMode(state);
|
| - if (!info || info.mode == mode) break;
|
| - state = info.state;
|
| - mode = info.mode;
|
| - }
|
| - return info || {mode: mode, state: state};
|
| - };
|
| -
|
| - // STANDARD COMMANDS
|
| -
|
| - // Commands are parameter-less actions that can be performed on an
|
| - // editor, mostly used for keybindings.
|
| - var commands = CodeMirror.commands = {
|
| - selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);},
|
| - singleSelection: function(cm) {
|
| - cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll);
|
| - },
|
| - killLine: function(cm) {
|
| - deleteNearSelection(cm, function(range) {
|
| - if (range.empty()) {
|
| - var len = getLine(cm.doc, range.head.line).text.length;
|
| - if (range.head.ch == len && range.head.line < cm.lastLine())
|
| - return {from: range.head, to: Pos(range.head.line + 1, 0)};
|
| - else
|
| - return {from: range.head, to: Pos(range.head.line, len)};
|
| - } else {
|
| - return {from: range.from(), to: range.to()};
|
| - }
|
| - });
|
| - },
|
| - deleteLine: function(cm) {
|
| - deleteNearSelection(cm, function(range) {
|
| - return {from: Pos(range.from().line, 0),
|
| - to: clipPos(cm.doc, Pos(range.to().line + 1, 0))};
|
| - });
|
| - },
|
| - delLineLeft: function(cm) {
|
| - deleteNearSelection(cm, function(range) {
|
| - return {from: Pos(range.from().line, 0), to: range.from()};
|
| - });
|
| - },
|
| - delWrappedLineLeft: function(cm) {
|
| - deleteNearSelection(cm, function(range) {
|
| - var top = cm.charCoords(range.head, "div").top + 5;
|
| - var leftPos = cm.coordsChar({left: 0, top: top}, "div");
|
| - return {from: leftPos, to: range.from()};
|
| - });
|
| - },
|
| - delWrappedLineRight: function(cm) {
|
| - deleteNearSelection(cm, function(range) {
|
| - var top = cm.charCoords(range.head, "div").top + 5;
|
| - var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
|
| - return {from: range.from(), to: rightPos };
|
| - });
|
| - },
|
| - undo: function(cm) {cm.undo();},
|
| - redo: function(cm) {cm.redo();},
|
| - undoSelection: function(cm) {cm.undoSelection();},
|
| - redoSelection: function(cm) {cm.redoSelection();},
|
| - goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));},
|
| - goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));},
|
| - goLineStart: function(cm) {
|
| - cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); },
|
| - {origin: "+move", bias: 1});
|
| - },
|
| - goLineStartSmart: function(cm) {
|
| - cm.extendSelectionsBy(function(range) {
|
| - return lineStartSmart(cm, range.head);
|
| - }, {origin: "+move", bias: 1});
|
| - },
|
| - goLineEnd: function(cm) {
|
| - cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); },
|
| - {origin: "+move", bias: -1});
|
| - },
|
| - goLineRight: function(cm) {
|
| - cm.extendSelectionsBy(function(range) {
|
| - var top = cm.charCoords(range.head, "div").top + 5;
|
| - return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
|
| - }, sel_move);
|
| - },
|
| - goLineLeft: function(cm) {
|
| - cm.extendSelectionsBy(function(range) {
|
| - var top = cm.charCoords(range.head, "div").top + 5;
|
| - return cm.coordsChar({left: 0, top: top}, "div");
|
| - }, sel_move);
|
| - },
|
| - goLineLeftSmart: function(cm) {
|
| - cm.extendSelectionsBy(function(range) {
|
| - var top = cm.charCoords(range.head, "div").top + 5;
|
| - var pos = cm.coordsChar({left: 0, top: top}, "div");
|
| - if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head);
|
| - return pos;
|
| - }, sel_move);
|
| - },
|
| - goLineUp: function(cm) {cm.moveV(-1, "line");},
|
| - goLineDown: function(cm) {cm.moveV(1, "line");},
|
| - goPageUp: function(cm) {cm.moveV(-1, "page");},
|
| - goPageDown: function(cm) {cm.moveV(1, "page");},
|
| - goCharLeft: function(cm) {cm.moveH(-1, "char");},
|
| - goCharRight: function(cm) {cm.moveH(1, "char");},
|
| - goColumnLeft: function(cm) {cm.moveH(-1, "column");},
|
| - goColumnRight: function(cm) {cm.moveH(1, "column");},
|
| - goWordLeft: function(cm) {cm.moveH(-1, "word");},
|
| - goGroupRight: function(cm) {cm.moveH(1, "group");},
|
| - goGroupLeft: function(cm) {cm.moveH(-1, "group");},
|
| - goWordRight: function(cm) {cm.moveH(1, "word");},
|
| - delCharBefore: function(cm) {cm.deleteH(-1, "char");},
|
| - delCharAfter: function(cm) {cm.deleteH(1, "char");},
|
| - delWordBefore: function(cm) {cm.deleteH(-1, "word");},
|
| - delWordAfter: function(cm) {cm.deleteH(1, "word");},
|
| - delGroupBefore: function(cm) {cm.deleteH(-1, "group");},
|
| - delGroupAfter: function(cm) {cm.deleteH(1, "group");},
|
| - indentAuto: function(cm) {cm.indentSelection("smart");},
|
| - indentMore: function(cm) {cm.indentSelection("add");},
|
| - indentLess: function(cm) {cm.indentSelection("subtract");},
|
| - insertTab: function(cm) {cm.replaceSelection("\t");},
|
| - insertSoftTab: function(cm) {
|
| - var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
|
| - for (var i = 0; i < ranges.length; i++) {
|
| - var pos = ranges[i].from();
|
| - var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
|
| - spaces.push(spaceStr(tabSize - col % tabSize));
|
| - }
|
| - cm.replaceSelections(spaces);
|
| - },
|
| - defaultTab: function(cm) {
|
| - if (cm.somethingSelected()) cm.indentSelection("add");
|
| - else cm.execCommand("insertTab");
|
| - },
|
| - transposeChars: function(cm) {
|
| - runInOp(cm, function() {
|
| - var ranges = cm.listSelections(), newSel = [];
|
| - for (var i = 0; i < ranges.length; i++) {
|
| - var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
|
| - if (line) {
|
| - if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1);
|
| - if (cur.ch > 0) {
|
| - cur = new Pos(cur.line, cur.ch + 1);
|
| - cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
|
| - Pos(cur.line, cur.ch - 2), cur, "+transpose");
|
| - } else if (cur.line > cm.doc.first) {
|
| - var prev = getLine(cm.doc, cur.line - 1).text;
|
| - if (prev)
|
| - cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
|
| - prev.charAt(prev.length - 1),
|
| - Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose");
|
| - }
|
| - }
|
| - newSel.push(new Range(cur, cur));
|
| - }
|
| - cm.setSelections(newSel);
|
| - });
|
| - },
|
| - newlineAndIndent: function(cm) {
|
| - runInOp(cm, function() {
|
| - var len = cm.listSelections().length;
|
| - for (var i = 0; i < len; i++) {
|
| - var range = cm.listSelections()[i];
|
| - cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input");
|
| - cm.indentLine(range.from().line + 1, null, true);
|
| - }
|
| - ensureCursorVisible(cm);
|
| - });
|
| - },
|
| - openLine: function(cm) {cm.replaceSelection("\n", "start")},
|
| - toggleOverwrite: function(cm) {cm.toggleOverwrite();}
|
| - };
|
| -
|
| -
|
| - // STANDARD KEYMAPS
|
| -
|
| - var keyMap = CodeMirror.keyMap = {};
|
| -
|
| - keyMap.basic = {
|
| - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
|
| - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
|
| - "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
|
| - "Tab": "defaultTab", "Shift-Tab": "indentAuto",
|
| - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
|
| - "Esc": "singleSelection"
|
| - };
|
| - // Note that the save and find-related commands aren't defined by
|
| - // default. User code or addons can define them. Unknown commands
|
| - // are simply ignored.
|
| - keyMap.pcDefault = {
|
| - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
|
| - "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
|
| - "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
|
| - "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
|
| - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
|
| - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
|
| - "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
|
| - fallthrough: "basic"
|
| - };
|
| - // Very basic readline/emacs-style bindings, which are standard on Mac.
|
| - keyMap.emacsy = {
|
| - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
|
| - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
|
| - "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
|
| - "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",
|
| - "Ctrl-O": "openLine"
|
| - };
|
| - keyMap.macDefault = {
|
| - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
|
| - "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
|
| - "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
|
| - "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
|
| - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
|
| - "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
|
| - "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
|
| - fallthrough: ["basic", "emacsy"]
|
| - };
|
| - keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
|
| -
|
| - // KEYMAP DISPATCH
|
| -
|
| - function normalizeKeyName(name) {
|
| - var parts = name.split(/-(?!$)/), name = parts[parts.length - 1];
|
| - var alt, ctrl, shift, cmd;
|
| - for (var i = 0; i < parts.length - 1; i++) {
|
| - var mod = parts[i];
|
| - if (/^(cmd|meta|m)$/i.test(mod)) cmd = true;
|
| - else if (/^a(lt)?$/i.test(mod)) alt = true;
|
| - else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true;
|
| - else if (/^s(hift)$/i.test(mod)) shift = true;
|
| - else throw new Error("Unrecognized modifier name: " + mod);
|
| - }
|
| - if (alt) name = "Alt-" + name;
|
| - if (ctrl) name = "Ctrl-" + name;
|
| - if (cmd) name = "Cmd-" + name;
|
| - if (shift) name = "Shift-" + name;
|
| - return name;
|
| - }
|
| -
|
| - // This is a kludge to keep keymaps mostly working as raw objects
|
| - // (backwards compatibility) while at the same time support features
|
| - // like normalization and multi-stroke key bindings. It compiles a
|
| - // new normalized keymap, and then updates the old object to reflect
|
| - // this.
|
| - CodeMirror.normalizeKeyMap = function(keymap) {
|
| - var copy = {};
|
| - for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) {
|
| - var value = keymap[keyname];
|
| - if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue;
|
| - if (value == "...") { delete keymap[keyname]; continue; }
|
| -
|
| - var keys = map(keyname.split(" "), normalizeKeyName);
|
| - for (var i = 0; i < keys.length; i++) {
|
| - var val, name;
|
| - if (i == keys.length - 1) {
|
| - name = keys.join(" ");
|
| - val = value;
|
| - } else {
|
| - name = keys.slice(0, i + 1).join(" ");
|
| - val = "...";
|
| - }
|
| - var prev = copy[name];
|
| - if (!prev) copy[name] = val;
|
| - else if (prev != val) throw new Error("Inconsistent bindings for " + name);
|
| - }
|
| - delete keymap[keyname];
|
| - }
|
| - for (var prop in copy) keymap[prop] = copy[prop];
|
| - return keymap;
|
| - };
|
| -
|
| - var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) {
|
| - map = getKeyMap(map);
|
| - var found = map.call ? map.call(key, context) : map[key];
|
| - if (found === false) return "nothing";
|
| - if (found === "...") return "multi";
|
| - if (found != null && handle(found)) return "handled";
|
| -
|
| - if (map.fallthrough) {
|
| - if (Object.prototype.toString.call(map.fallthrough) != "[object Array]")
|
| - return lookupKey(key, map.fallthrough, handle, context);
|
| - for (var i = 0; i < map.fallthrough.length; i++) {
|
| - var result = lookupKey(key, map.fallthrough[i], handle, context);
|
| - if (result) return result;
|
| - }
|
| - }
|
| - };
|
| -
|
| - // Modifier key presses don't count as 'real' key presses for the
|
| - // purpose of keymap fallthrough.
|
| - var isModifierKey = CodeMirror.isModifierKey = function(value) {
|
| - var name = typeof value == "string" ? value : keyNames[value.keyCode];
|
| - return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
|
| - };
|
| -
|
| - // Look up the name of a key as indicated by an event object.
|
| - var keyName = CodeMirror.keyName = function(event, noShift) {
|
| - if (presto && event.keyCode == 34 && event["char"]) return false;
|
| - var base = keyNames[event.keyCode], name = base;
|
| - if (name == null || event.altGraphKey) return false;
|
| - if (event.altKey && base != "Alt") name = "Alt-" + name;
|
| - if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name;
|
| - if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name;
|
| - if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name;
|
| - return name;
|
| - };
|
| -
|
| - function getKeyMap(val) {
|
| - return typeof val == "string" ? keyMap[val] : val;
|
| - }
|
| -
|
| - // FROMTEXTAREA
|
| -
|
| - CodeMirror.fromTextArea = function(textarea, options) {
|
| - options = options ? copyObj(options) : {};
|
| - options.value = textarea.value;
|
| - if (!options.tabindex && textarea.tabIndex)
|
| - options.tabindex = textarea.tabIndex;
|
| - if (!options.placeholder && textarea.placeholder)
|
| - options.placeholder = textarea.placeholder;
|
| - // Set autofocus to true if this textarea is focused, or if it has
|
| - // autofocus and no other element is focused.
|
| - if (options.autofocus == null) {
|
| - var hasFocus = activeElt();
|
| - options.autofocus = hasFocus == textarea ||
|
| - textarea.getAttribute("autofocus") != null && hasFocus == document.body;
|
| - }
|
| -
|
| - function save() {textarea.value = cm.getValue();}
|
| - if (textarea.form) {
|
| - on(textarea.form, "submit", save);
|
| - // Deplorable hack to make the submit method do the right thing.
|
| - if (!options.leaveSubmitMethodAlone) {
|
| - var form = textarea.form, realSubmit = form.submit;
|
| - try {
|
| - var wrappedSubmit = form.submit = function() {
|
| - save();
|
| - form.submit = realSubmit;
|
| - form.submit();
|
| - form.submit = wrappedSubmit;
|
| - };
|
| - } catch(e) {}
|
| - }
|
| - }
|
| -
|
| - options.finishInit = function(cm) {
|
| - cm.save = save;
|
| - cm.getTextArea = function() { return textarea; };
|
| - cm.toTextArea = function() {
|
| - cm.toTextArea = isNaN; // Prevent this from being ran twice
|
| - save();
|
| - textarea.parentNode.removeChild(cm.getWrapperElement());
|
| - textarea.style.display = "";
|
| - if (textarea.form) {
|
| - off(textarea.form, "submit", save);
|
| - if (typeof textarea.form.submit == "function")
|
| - textarea.form.submit = realSubmit;
|
| - }
|
| - };
|
| - };
|
| -
|
| - textarea.style.display = "none";
|
| - var cm = CodeMirror(function(node) {
|
| - textarea.parentNode.insertBefore(node, textarea.nextSibling);
|
| - }, options);
|
| - return cm;
|
| - };
|
| -
|
| - // STRING STREAM
|
| -
|
| - // Fed to the mode parsers, provides helper functions to make
|
| - // parsers more succinct.
|
| -
|
| - var StringStream = CodeMirror.StringStream = function(string, tabSize) {
|
| - this.pos = this.start = 0;
|
| - this.string = string;
|
| - this.tabSize = tabSize || 8;
|
| - this.lastColumnPos = this.lastColumnValue = 0;
|
| - this.lineStart = 0;
|
| - };
|
| -
|
| - StringStream.prototype = {
|
| - eol: function() {return this.pos >= this.string.length;},
|
| - sol: function() {return this.pos == this.lineStart;},
|
| - peek: function() {return this.string.charAt(this.pos) || undefined;},
|
| - next: function() {
|
| - if (this.pos < this.string.length)
|
| - return this.string.charAt(this.pos++);
|
| - },
|
| - eat: function(match) {
|
| - var ch = this.string.charAt(this.pos);
|
| - if (typeof match == "string") var ok = ch == match;
|
| - else var ok = ch && (match.test ? match.test(ch) : match(ch));
|
| - if (ok) {++this.pos; return ch;}
|
| - },
|
| - eatWhile: function(match) {
|
| - var start = this.pos;
|
| - while (this.eat(match)){}
|
| - return this.pos > start;
|
| - },
|
| - eatSpace: function() {
|
| - var start = this.pos;
|
| - while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
|
| - return this.pos > start;
|
| - },
|
| - skipToEnd: function() {this.pos = this.string.length;},
|
| - skipTo: function(ch) {
|
| - var found = this.string.indexOf(ch, this.pos);
|
| - if (found > -1) {this.pos = found; return true;}
|
| - },
|
| - backUp: function(n) {this.pos -= n;},
|
| - column: function() {
|
| - if (this.lastColumnPos < this.start) {
|
| - this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
|
| - this.lastColumnPos = this.start;
|
| - }
|
| - return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
|
| - },
|
| - indentation: function() {
|
| - return countColumn(this.string, null, this.tabSize) -
|
| - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
|
| - },
|
| - match: function(pattern, consume, caseInsensitive) {
|
| - if (typeof pattern == "string") {
|
| - var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
|
| - var substr = this.string.substr(this.pos, pattern.length);
|
| - if (cased(substr) == cased(pattern)) {
|
| - if (consume !== false) this.pos += pattern.length;
|
| - return true;
|
| - }
|
| - } else {
|
| - var match = this.string.slice(this.pos).match(pattern);
|
| - if (match && match.index > 0) return null;
|
| - if (match && consume !== false) this.pos += match[0].length;
|
| - return match;
|
| - }
|
| - },
|
| - current: function(){return this.string.slice(this.start, this.pos);},
|
| - hideFirstChars: function(n, inner) {
|
| - this.lineStart += n;
|
| - try { return inner(); }
|
| - finally { this.lineStart -= n; }
|
| - }
|
| - };
|
| -
|
| - // TEXTMARKERS
|
| -
|
| - // Created with markText and setBookmark methods. A TextMarker is a
|
| - // handle that can be used to clear or find a marked position in the
|
| - // document. Line objects hold arrays (markedSpans) containing
|
| - // {from, to, marker} object pointing to such marker objects, and
|
| - // indicating that such a marker is present on that line. Multiple
|
| - // lines may point to the same marker when it spans across lines.
|
| - // The spans will have null for their from/to properties when the
|
| - // marker continues beyond the start/end of the line. Markers have
|
| - // links back to the lines they currently touch.
|
| -
|
| - var nextMarkerId = 0;
|
| -
|
| - var TextMarker = CodeMirror.TextMarker = function(doc, type) {
|
| - this.lines = [];
|
| - this.type = type;
|
| - this.doc = doc;
|
| - this.id = ++nextMarkerId;
|
| - };
|
| - eventMixin(TextMarker);
|
| -
|
| - // Clear the marker.
|
| - TextMarker.prototype.clear = function() {
|
| - if (this.explicitlyCleared) return;
|
| - var cm = this.doc.cm, withOp = cm && !cm.curOp;
|
| - if (withOp) startOperation(cm);
|
| - if (hasHandler(this, "clear")) {
|
| - var found = this.find();
|
| - if (found) signalLater(this, "clear", found.from, found.to);
|
| - }
|
| - var min = null, max = null;
|
| - for (var i = 0; i < this.lines.length; ++i) {
|
| - var line = this.lines[i];
|
| - var span = getMarkedSpanFor(line.markedSpans, this);
|
| - if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text");
|
| - else if (cm) {
|
| - if (span.to != null) max = lineNo(line);
|
| - if (span.from != null) min = lineNo(line);
|
| - }
|
| - line.markedSpans = removeMarkedSpan(line.markedSpans, span);
|
| - if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm)
|
| - updateLineHeight(line, textHeight(cm.display));
|
| - }
|
| - if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) {
|
| - var visual = visualLine(this.lines[i]), len = lineLength(visual);
|
| - if (len > cm.display.maxLineLength) {
|
| - cm.display.maxLine = visual;
|
| - cm.display.maxLineLength = len;
|
| - cm.display.maxLineChanged = true;
|
| - }
|
| - }
|
| -
|
| - if (min != null && cm && this.collapsed) regChange(cm, min, max + 1);
|
| - this.lines.length = 0;
|
| - this.explicitlyCleared = true;
|
| - if (this.atomic && this.doc.cantEdit) {
|
| - this.doc.cantEdit = false;
|
| - if (cm) reCheckSelection(cm.doc);
|
| - }
|
| - if (cm) signalLater(cm, "markerCleared", cm, this);
|
| - if (withOp) endOperation(cm);
|
| - if (this.parent) this.parent.clear();
|
| - };
|
| -
|
| - // Find the position of the marker in the document. Returns a {from,
|
| - // to} object by default. Side can be passed to get a specific side
|
| - // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
|
| - // Pos objects returned contain a line object, rather than a line
|
| - // number (used to prevent looking up the same line twice).
|
| - TextMarker.prototype.find = function(side, lineObj) {
|
| - if (side == null && this.type == "bookmark") side = 1;
|
| - var from, to;
|
| - for (var i = 0; i < this.lines.length; ++i) {
|
| - var line = this.lines[i];
|
| - var span = getMarkedSpanFor(line.markedSpans, this);
|
| - if (span.from != null) {
|
| - from = Pos(lineObj ? line : lineNo(line), span.from);
|
| - if (side == -1) return from;
|
| - }
|
| - if (span.to != null) {
|
| - to = Pos(lineObj ? line : lineNo(line), span.to);
|
| - if (side == 1) return to;
|
| - }
|
| - }
|
| - return from && {from: from, to: to};
|
| - };
|
| -
|
| - // Signals that the marker's widget changed, and surrounding layout
|
| - // should be recomputed.
|
| - TextMarker.prototype.changed = function() {
|
| - var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
|
| - if (!pos || !cm) return;
|
| - runInOp(cm, function() {
|
| - var line = pos.line, lineN = lineNo(pos.line);
|
| - var view = findViewForLine(cm, lineN);
|
| - if (view) {
|
| - clearLineMeasurementCacheFor(view);
|
| - cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
|
| - }
|
| - cm.curOp.updateMaxLine = true;
|
| - if (!lineIsHidden(widget.doc, line) && widget.height != null) {
|
| - var oldHeight = widget.height;
|
| - widget.height = null;
|
| - var dHeight = widgetHeight(widget) - oldHeight;
|
| - if (dHeight)
|
| - updateLineHeight(line, line.height + dHeight);
|
| - }
|
| - });
|
| - };
|
| -
|
| - TextMarker.prototype.attachLine = function(line) {
|
| - if (!this.lines.length && this.doc.cm) {
|
| - var op = this.doc.cm.curOp;
|
| - if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
|
| - (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this);
|
| - }
|
| - this.lines.push(line);
|
| - };
|
| - TextMarker.prototype.detachLine = function(line) {
|
| - this.lines.splice(indexOf(this.lines, line), 1);
|
| - if (!this.lines.length && this.doc.cm) {
|
| - var op = this.doc.cm.curOp;
|
| - (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
|
| - }
|
| - };
|
| -
|
| - // Collapsed markers have unique ids, in order to be able to order
|
| - // them, which is needed for uniquely determining an outer marker
|
| - // when they overlap (they may nest, but not partially overlap).
|
| - var nextMarkerId = 0;
|
| -
|
| - // Create a marker, wire it up to the right lines, and
|
| - function markText(doc, from, to, options, type) {
|
| - // Shared markers (across linked documents) are handled separately
|
| - // (markTextShared will call out to this again, once per
|
| - // document).
|
| - if (options && options.shared) return markTextShared(doc, from, to, options, type);
|
| - // Ensure we are in an operation.
|
| - if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type);
|
| -
|
| - var marker = new TextMarker(doc, type), diff = cmp(from, to);
|
| - if (options) copyObj(options, marker, false);
|
| - // Don't connect empty markers unless clearWhenEmpty is false
|
| - if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
|
| - return marker;
|
| - if (marker.replacedWith) {
|
| - // Showing up as a widget implies collapsed (widget replaces text)
|
| - marker.collapsed = true;
|
| - marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget");
|
| - if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true");
|
| - if (options.insertLeft) marker.widgetNode.insertLeft = true;
|
| - }
|
| - if (marker.collapsed) {
|
| - if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
|
| - from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
|
| - throw new Error("Inserting collapsed marker partially overlapping an existing one");
|
| - sawCollapsedSpans = true;
|
| - }
|
| -
|
| - if (marker.addToHistory)
|
| - addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN);
|
| -
|
| - var curLine = from.line, cm = doc.cm, updateMaxLine;
|
| - doc.iter(curLine, to.line + 1, function(line) {
|
| - if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
|
| - updateMaxLine = true;
|
| - if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0);
|
| - addMarkedSpan(line, new MarkedSpan(marker,
|
| - curLine == from.line ? from.ch : null,
|
| - curLine == to.line ? to.ch : null));
|
| - ++curLine;
|
| - });
|
| - // lineIsHidden depends on the presence of the spans, so needs a second pass
|
| - if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) {
|
| - if (lineIsHidden(doc, line)) updateLineHeight(line, 0);
|
| - });
|
| -
|
| - if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); });
|
| -
|
| - if (marker.readOnly) {
|
| - sawReadOnlySpans = true;
|
| - if (doc.history.done.length || doc.history.undone.length)
|
| - doc.clearHistory();
|
| - }
|
| - if (marker.collapsed) {
|
| - marker.id = ++nextMarkerId;
|
| - marker.atomic = true;
|
| - }
|
| - if (cm) {
|
| - // Sync editor state
|
| - if (updateMaxLine) cm.curOp.updateMaxLine = true;
|
| - if (marker.collapsed)
|
| - regChange(cm, from.line, to.line + 1);
|
| - else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css)
|
| - for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text");
|
| - if (marker.atomic) reCheckSelection(cm.doc);
|
| - signalLater(cm, "markerAdded", cm, marker);
|
| - }
|
| - return marker;
|
| - }
|
| -
|
| - // SHARED TEXTMARKERS
|
| -
|
| - // A shared marker spans multiple linked documents. It is
|
| - // implemented as a meta-marker-object controlling multiple normal
|
| - // markers.
|
| - var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) {
|
| - this.markers = markers;
|
| - this.primary = primary;
|
| - for (var i = 0; i < markers.length; ++i)
|
| - markers[i].parent = this;
|
| - };
|
| - eventMixin(SharedTextMarker);
|
| -
|
| - SharedTextMarker.prototype.clear = function() {
|
| - if (this.explicitlyCleared) return;
|
| - this.explicitlyCleared = true;
|
| - for (var i = 0; i < this.markers.length; ++i)
|
| - this.markers[i].clear();
|
| - signalLater(this, "clear");
|
| - };
|
| - SharedTextMarker.prototype.find = function(side, lineObj) {
|
| - return this.primary.find(side, lineObj);
|
| - };
|
| -
|
| - function markTextShared(doc, from, to, options, type) {
|
| - options = copyObj(options);
|
| - options.shared = false;
|
| - var markers = [markText(doc, from, to, options, type)], primary = markers[0];
|
| - var widget = options.widgetNode;
|
| - linkedDocs(doc, function(doc) {
|
| - if (widget) options.widgetNode = widget.cloneNode(true);
|
| - markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
|
| - for (var i = 0; i < doc.linked.length; ++i)
|
| - if (doc.linked[i].isParent) return;
|
| - primary = lst(markers);
|
| - });
|
| - return new SharedTextMarker(markers, primary);
|
| - }
|
| -
|
| - function findSharedMarkers(doc) {
|
| - return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())),
|
| - function(m) { return m.parent; });
|
| - }
|
| -
|
| - function copySharedMarkers(doc, markers) {
|
| - for (var i = 0; i < markers.length; i++) {
|
| - var marker = markers[i], pos = marker.find();
|
| - var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
|
| - if (cmp(mFrom, mTo)) {
|
| - var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
|
| - marker.markers.push(subMark);
|
| - subMark.parent = marker;
|
| - }
|
| - }
|
| - }
|
| -
|
| - function detachSharedMarkers(markers) {
|
| - for (var i = 0; i < markers.length; i++) {
|
| - var marker = markers[i], linked = [marker.primary.doc];;
|
| - linkedDocs(marker.primary.doc, function(d) { linked.push(d); });
|
| - for (var j = 0; j < marker.markers.length; j++) {
|
| - var subMarker = marker.markers[j];
|
| - if (indexOf(linked, subMarker.doc) == -1) {
|
| - subMarker.parent = null;
|
| - marker.markers.splice(j--, 1);
|
| - }
|
| - }
|
| - }
|
| - }
|
| -
|
| - // TEXTMARKER SPANS
|
| -
|
| - function MarkedSpan(marker, from, to) {
|
| - this.marker = marker;
|
| - this.from = from; this.to = to;
|
| - }
|
| -
|
| - // Search an array of spans for a span matching the given marker.
|
| - function getMarkedSpanFor(spans, marker) {
|
| - if (spans) for (var i = 0; i < spans.length; ++i) {
|
| - var span = spans[i];
|
| - if (span.marker == marker) return span;
|
| - }
|
| - }
|
| - // Remove a span from an array, returning undefined if no spans are
|
| - // left (we don't store arrays for lines without spans).
|
| - function removeMarkedSpan(spans, span) {
|
| - for (var r, i = 0; i < spans.length; ++i)
|
| - if (spans[i] != span) (r || (r = [])).push(spans[i]);
|
| - return r;
|
| - }
|
| - // Add a span to a line.
|
| - function addMarkedSpan(line, span) {
|
| - line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
|
| - span.marker.attachLine(line);
|
| - }
|
| -
|
| - // Used for the algorithm that adjusts markers for a change in the
|
| - // document. These functions cut an array of spans at a given
|
| - // character position, returning an array of remaining chunks (or
|
| - // undefined if nothing remains).
|
| - function markedSpansBefore(old, startCh, isInsert) {
|
| - if (old) for (var i = 0, nw; i < old.length; ++i) {
|
| - var span = old[i], marker = span.marker;
|
| - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
|
| - if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
|
| - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
|
| - (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
|
| - }
|
| - }
|
| - return nw;
|
| - }
|
| - function markedSpansAfter(old, endCh, isInsert) {
|
| - if (old) for (var i = 0, nw; i < old.length; ++i) {
|
| - var span = old[i], marker = span.marker;
|
| - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
|
| - if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
|
| - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
|
| - (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
|
| - span.to == null ? null : span.to - endCh));
|
| - }
|
| - }
|
| - return nw;
|
| - }
|
| -
|
| - // Given a change object, compute the new set of marker spans that
|
| - // cover the line in which the change took place. Removes spans
|
| - // entirely within the change, reconnects spans belonging to the
|
| - // same marker that appear on both sides of the change, and cuts off
|
| - // spans partially within the change. Returns an array of span
|
| - // arrays with one element for each line in (after) the change.
|
| - function stretchSpansOverChange(doc, change) {
|
| - if (change.full) return null;
|
| - var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
|
| - var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
|
| - if (!oldFirst && !oldLast) return null;
|
| -
|
| - var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
|
| - // Get the spans that 'stick out' on both sides
|
| - var first = markedSpansBefore(oldFirst, startCh, isInsert);
|
| - var last = markedSpansAfter(oldLast, endCh, isInsert);
|
| -
|
| - // Next, merge those two ends
|
| - var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
|
| - if (first) {
|
| - // Fix up .to properties of first
|
| - for (var i = 0; i < first.length; ++i) {
|
| - var span = first[i];
|
| - if (span.to == null) {
|
| - var found = getMarkedSpanFor(last, span.marker);
|
| - if (!found) span.to = startCh;
|
| - else if (sameLine) span.to = found.to == null ? null : found.to + offset;
|
| - }
|
| - }
|
| - }
|
| - if (last) {
|
| - // Fix up .from in last (or move them into first in case of sameLine)
|
| - for (var i = 0; i < last.length; ++i) {
|
| - var span = last[i];
|
| - if (span.to != null) span.to += offset;
|
| - if (span.from == null) {
|
| - var found = getMarkedSpanFor(first, span.marker);
|
| - if (!found) {
|
| - span.from = offset;
|
| - if (sameLine) (first || (first = [])).push(span);
|
| - }
|
| - } else {
|
| - span.from += offset;
|
| - if (sameLine) (first || (first = [])).push(span);
|
| - }
|
| - }
|
| - }
|
| - // Make sure we didn't create any zero-length spans
|
| - if (first) first = clearEmptySpans(first);
|
| - if (last && last != first) last = clearEmptySpans(last);
|
| -
|
| - var newMarkers = [first];
|
| - if (!sameLine) {
|
| - // Fill gap with whole-line-spans
|
| - var gap = change.text.length - 2, gapMarkers;
|
| - if (gap > 0 && first)
|
| - for (var i = 0; i < first.length; ++i)
|
| - if (first[i].to == null)
|
| - (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null));
|
| - for (var i = 0; i < gap; ++i)
|
| - newMarkers.push(gapMarkers);
|
| - newMarkers.push(last);
|
| - }
|
| - return newMarkers;
|
| - }
|
| -
|
| - // Remove spans that are empty and don't have a clearWhenEmpty
|
| - // option of false.
|
| - function clearEmptySpans(spans) {
|
| - for (var i = 0; i < spans.length; ++i) {
|
| - var span = spans[i];
|
| - if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
|
| - spans.splice(i--, 1);
|
| - }
|
| - if (!spans.length) return null;
|
| - return spans;
|
| - }
|
| -
|
| - // Used for un/re-doing changes from the history. Combines the
|
| - // result of computing the existing spans with the set of spans that
|
| - // existed in the history (so that deleting around a span and then
|
| - // undoing brings back the span).
|
| - function mergeOldSpans(doc, change) {
|
| - var old = getOldSpans(doc, change);
|
| - var stretched = stretchSpansOverChange(doc, change);
|
| - if (!old) return stretched;
|
| - if (!stretched) return old;
|
| -
|
| - for (var i = 0; i < old.length; ++i) {
|
| - var oldCur = old[i], stretchCur = stretched[i];
|
| - if (oldCur && stretchCur) {
|
| - spans: for (var j = 0; j < stretchCur.length; ++j) {
|
| - var span = stretchCur[j];
|
| - for (var k = 0; k < oldCur.length; ++k)
|
| - if (oldCur[k].marker == span.marker) continue spans;
|
| - oldCur.push(span);
|
| - }
|
| - } else if (stretchCur) {
|
| - old[i] = stretchCur;
|
| - }
|
| - }
|
| - return old;
|
| - }
|
| -
|
| - // Used to 'clip' out readOnly ranges when making a change.
|
| - function removeReadOnlyRanges(doc, from, to) {
|
| - var markers = null;
|
| - doc.iter(from.line, to.line + 1, function(line) {
|
| - if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
|
| - var mark = line.markedSpans[i].marker;
|
| - if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
|
| - (markers || (markers = [])).push(mark);
|
| - }
|
| - });
|
| - if (!markers) return null;
|
| - var parts = [{from: from, to: to}];
|
| - for (var i = 0; i < markers.length; ++i) {
|
| - var mk = markers[i], m = mk.find(0);
|
| - for (var j = 0; j < parts.length; ++j) {
|
| - var p = parts[j];
|
| - if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue;
|
| - var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
|
| - if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
|
| - newParts.push({from: p.from, to: m.from});
|
| - if (dto > 0 || !mk.inclusiveRight && !dto)
|
| - newParts.push({from: m.to, to: p.to});
|
| - parts.splice.apply(parts, newParts);
|
| - j += newParts.length - 1;
|
| - }
|
| - }
|
| - return parts;
|
| - }
|
| -
|
| - // Connect or disconnect spans from a line.
|
| - function detachMarkedSpans(line) {
|
| - var spans = line.markedSpans;
|
| - if (!spans) return;
|
| - for (var i = 0; i < spans.length; ++i)
|
| - spans[i].marker.detachLine(line);
|
| - line.markedSpans = null;
|
| - }
|
| - function attachMarkedSpans(line, spans) {
|
| - if (!spans) return;
|
| - for (var i = 0; i < spans.length; ++i)
|
| - spans[i].marker.attachLine(line);
|
| - line.markedSpans = spans;
|
| - }
|
| -
|
| - // Helpers used when computing which overlapping collapsed span
|
| - // counts as the larger one.
|
| - function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; }
|
| - function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; }
|
| -
|
| - // Returns a number indicating which of two overlapping collapsed
|
| - // spans is larger (and thus includes the other). Falls back to
|
| - // comparing ids when the spans cover exactly the same range.
|
| - function compareCollapsedMarkers(a, b) {
|
| - var lenDiff = a.lines.length - b.lines.length;
|
| - if (lenDiff != 0) return lenDiff;
|
| - var aPos = a.find(), bPos = b.find();
|
| - var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
|
| - if (fromCmp) return -fromCmp;
|
| - var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
|
| - if (toCmp) return toCmp;
|
| - return b.id - a.id;
|
| - }
|
| -
|
| - // Find out whether a line ends or starts in a collapsed span. If
|
| - // so, return the marker for that span.
|
| - function collapsedSpanAtSide(line, start) {
|
| - var sps = sawCollapsedSpans && line.markedSpans, found;
|
| - if (sps) for (var sp, i = 0; i < sps.length; ++i) {
|
| - sp = sps[i];
|
| - if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
|
| - (!found || compareCollapsedMarkers(found, sp.marker) < 0))
|
| - found = sp.marker;
|
| - }
|
| - return found;
|
| - }
|
| - function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); }
|
| - function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); }
|
| -
|
| - // Test whether there exists a collapsed span that partially
|
| - // overlaps (covers the start or end, but not both) of a new span.
|
| - // Such overlap is not allowed.
|
| - function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
|
| - var line = getLine(doc, lineNo);
|
| - var sps = sawCollapsedSpans && line.markedSpans;
|
| - if (sps) for (var i = 0; i < sps.length; ++i) {
|
| - var sp = sps[i];
|
| - if (!sp.marker.collapsed) continue;
|
| - var found = sp.marker.find(0);
|
| - var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
|
| - var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
|
| - if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue;
|
| - if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
|
| - fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
|
| - return true;
|
| - }
|
| - }
|
| -
|
| - // A visual line is a line as drawn on the screen. Folding, for
|
| - // example, can cause multiple logical lines to appear on the same
|
| - // visual line. This finds the start of the visual line that the
|
| - // given line is part of (usually that is the line itself).
|
| - function visualLine(line) {
|
| - var merged;
|
| - while (merged = collapsedSpanAtStart(line))
|
| - line = merged.find(-1, true).line;
|
| - return line;
|
| - }
|
| -
|
| - // Returns an array of logical lines that continue the visual line
|
| - // started by the argument, or undefined if there are no such lines.
|
| - function visualLineContinued(line) {
|
| - var merged, lines;
|
| - while (merged = collapsedSpanAtEnd(line)) {
|
| - line = merged.find(1, true).line;
|
| - (lines || (lines = [])).push(line);
|
| - }
|
| - return lines;
|
| - }
|
| -
|
| - // Get the line number of the start of the visual line that the
|
| - // given line number is part of.
|
| - function visualLineNo(doc, lineN) {
|
| - var line = getLine(doc, lineN), vis = visualLine(line);
|
| - if (line == vis) return lineN;
|
| - return lineNo(vis);
|
| - }
|
| - // Get the line number of the start of the next visual line after
|
| - // the given line.
|
| - function visualLineEndNo(doc, lineN) {
|
| - if (lineN > doc.lastLine()) return lineN;
|
| - var line = getLine(doc, lineN), merged;
|
| - if (!lineIsHidden(doc, line)) return lineN;
|
| - while (merged = collapsedSpanAtEnd(line))
|
| - line = merged.find(1, true).line;
|
| - return lineNo(line) + 1;
|
| - }
|
| -
|
| - // Compute whether a line is hidden. Lines count as hidden when they
|
| - // are part of a visual line that starts with another line, or when
|
| - // they are entirely covered by collapsed, non-widget span.
|
| - function lineIsHidden(doc, line) {
|
| - var sps = sawCollapsedSpans && line.markedSpans;
|
| - if (sps) for (var sp, i = 0; i < sps.length; ++i) {
|
| - sp = sps[i];
|
| - if (!sp.marker.collapsed) continue;
|
| - if (sp.from == null) return true;
|
| - if (sp.marker.widgetNode) continue;
|
| - if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
|
| - return true;
|
| - }
|
| - }
|
| - function lineIsHiddenInner(doc, line, span) {
|
| - if (span.to == null) {
|
| - var end = span.marker.find(1, true);
|
| - return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker));
|
| - }
|
| - if (span.marker.inclusiveRight && span.to == line.text.length)
|
| - return true;
|
| - for (var sp, i = 0; i < line.markedSpans.length; ++i) {
|
| - sp = line.markedSpans[i];
|
| - if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
|
| - (sp.to == null || sp.to != span.from) &&
|
| - (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
|
| - lineIsHiddenInner(doc, line, sp)) return true;
|
| - }
|
| - }
|
| -
|
| - // LINE WIDGETS
|
| -
|
| - // Line widgets are block elements displayed above or below a line.
|
| -
|
| - var LineWidget = CodeMirror.LineWidget = function(doc, node, options) {
|
| - if (options) for (var opt in options) if (options.hasOwnProperty(opt))
|
| - this[opt] = options[opt];
|
| - this.doc = doc;
|
| - this.node = node;
|
| - };
|
| - eventMixin(LineWidget);
|
| -
|
| - function adjustScrollWhenAboveVisible(cm, line, diff) {
|
| - if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
|
| - addToScrollPos(cm, null, diff);
|
| - }
|
| -
|
| - LineWidget.prototype.clear = function() {
|
| - var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
|
| - if (no == null || !ws) return;
|
| - for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1);
|
| - if (!ws.length) line.widgets = null;
|
| - var height = widgetHeight(this);
|
| - updateLineHeight(line, Math.max(0, line.height - height));
|
| - if (cm) runInOp(cm, function() {
|
| - adjustScrollWhenAboveVisible(cm, line, -height);
|
| - regLineChange(cm, no, "widget");
|
| - });
|
| - };
|
| - LineWidget.prototype.changed = function() {
|
| - var oldH = this.height, cm = this.doc.cm, line = this.line;
|
| - this.height = null;
|
| - var diff = widgetHeight(this) - oldH;
|
| - if (!diff) return;
|
| - updateLineHeight(line, line.height + diff);
|
| - if (cm) runInOp(cm, function() {
|
| - cm.curOp.forceUpdate = true;
|
| - adjustScrollWhenAboveVisible(cm, line, diff);
|
| - });
|
| - };
|
| -
|
| - function widgetHeight(widget) {
|
| - if (widget.height != null) return widget.height;
|
| - var cm = widget.doc.cm;
|
| - if (!cm) return 0;
|
| - if (!contains(document.body, widget.node)) {
|
| - var parentStyle = "position: relative;";
|
| - if (widget.coverGutter)
|
| - parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;";
|
| - if (widget.noHScroll)
|
| - parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;";
|
| - removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
|
| - }
|
| - return widget.height = widget.node.parentNode.offsetHeight;
|
| - }
|
| -
|
| - function addLineWidget(doc, handle, node, options) {
|
| - var widget = new LineWidget(doc, node, options);
|
| - var cm = doc.cm;
|
| - if (cm && widget.noHScroll) cm.display.alignWidgets = true;
|
| - changeLine(doc, handle, "widget", function(line) {
|
| - var widgets = line.widgets || (line.widgets = []);
|
| - if (widget.insertAt == null) widgets.push(widget);
|
| - else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget);
|
| - widget.line = line;
|
| - if (cm && !lineIsHidden(doc, line)) {
|
| - var aboveVisible = heightAtLine(line) < doc.scrollTop;
|
| - updateLineHeight(line, line.height + widgetHeight(widget));
|
| - if (aboveVisible) addToScrollPos(cm, null, widget.height);
|
| - cm.curOp.forceUpdate = true;
|
| - }
|
| - return true;
|
| - });
|
| - return widget;
|
| - }
|
| -
|
| - // LINE DATA STRUCTURE
|
| -
|
| - // Line objects. These hold state related to a line, including
|
| - // highlighting info (the styles array).
|
| - var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) {
|
| - this.text = text;
|
| - attachMarkedSpans(this, markedSpans);
|
| - this.height = estimateHeight ? estimateHeight(this) : 1;
|
| - };
|
| - eventMixin(Line);
|
| - Line.prototype.lineNo = function() { return lineNo(this); };
|
| -
|
| - // Change the content (text, markers) of a line. Automatically
|
| - // invalidates cached information and tries to re-estimate the
|
| - // line's height.
|
| - function updateLine(line, text, markedSpans, estimateHeight) {
|
| - line.text = text;
|
| - if (line.stateAfter) line.stateAfter = null;
|
| - if (line.styles) line.styles = null;
|
| - if (line.order != null) line.order = null;
|
| - detachMarkedSpans(line);
|
| - attachMarkedSpans(line, markedSpans);
|
| - var estHeight = estimateHeight ? estimateHeight(line) : 1;
|
| - if (estHeight != line.height) updateLineHeight(line, estHeight);
|
| - }
|
| -
|
| - // Detach a line from the document tree and its markers.
|
| - function cleanUpLine(line) {
|
| - line.parent = null;
|
| - detachMarkedSpans(line);
|
| - }
|
| -
|
| - function extractLineClasses(type, output) {
|
| - if (type) for (;;) {
|
| - var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
|
| - if (!lineClass) break;
|
| - type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
|
| - var prop = lineClass[1] ? "bgClass" : "textClass";
|
| - if (output[prop] == null)
|
| - output[prop] = lineClass[2];
|
| - else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
|
| - output[prop] += " " + lineClass[2];
|
| - }
|
| - return type;
|
| - }
|
| -
|
| - function callBlankLine(mode, state) {
|
| - if (mode.blankLine) return mode.blankLine(state);
|
| - if (!mode.innerMode) return;
|
| - var inner = CodeMirror.innerMode(mode, state);
|
| - if (inner.mode.blankLine) return inner.mode.blankLine(inner.state);
|
| - }
|
| -
|
| - function readToken(mode, stream, state, inner) {
|
| - for (var i = 0; i < 10; i++) {
|
| - if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode;
|
| - var style = mode.token(stream, state);
|
| - if (stream.pos > stream.start) return style;
|
| - }
|
| - throw new Error("Mode " + mode.name + " failed to advance stream.");
|
| - }
|
| -
|
| - // Utility for getTokenAt and getLineTokens
|
| - function takeToken(cm, pos, precise, asArray) {
|
| - function getObj(copy) {
|
| - return {start: stream.start, end: stream.pos,
|
| - string: stream.current(),
|
| - type: style || null,
|
| - state: copy ? copyState(doc.mode, state) : state};
|
| - }
|
| -
|
| - var doc = cm.doc, mode = doc.mode, style;
|
| - pos = clipPos(doc, pos);
|
| - var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise);
|
| - var stream = new StringStream(line.text, cm.options.tabSize), tokens;
|
| - if (asArray) tokens = [];
|
| - while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
|
| - stream.start = stream.pos;
|
| - style = readToken(mode, stream, state);
|
| - if (asArray) tokens.push(getObj(true));
|
| - }
|
| - return asArray ? tokens : getObj();
|
| - }
|
| -
|
| - // Run the given mode's parser over a line, calling f for each token.
|
| - function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) {
|
| - var flattenSpans = mode.flattenSpans;
|
| - if (flattenSpans == null) flattenSpans = cm.options.flattenSpans;
|
| - var curStart = 0, curStyle = null;
|
| - var stream = new StringStream(text, cm.options.tabSize), style;
|
| - var inner = cm.options.addModeClass && [null];
|
| - if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses);
|
| - while (!stream.eol()) {
|
| - if (stream.pos > cm.options.maxHighlightLength) {
|
| - flattenSpans = false;
|
| - if (forceToEnd) processLine(cm, text, state, stream.pos);
|
| - stream.pos = text.length;
|
| - style = null;
|
| - } else {
|
| - style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses);
|
| - }
|
| - if (inner) {
|
| - var mName = inner[0].name;
|
| - if (mName) style = "m-" + (style ? mName + " " + style : mName);
|
| - }
|
| - if (!flattenSpans || curStyle != style) {
|
| - while (curStart < stream.start) {
|
| - curStart = Math.min(stream.start, curStart + 50000);
|
| - f(curStart, curStyle);
|
| - }
|
| - curStyle = style;
|
| - }
|
| - stream.start = stream.pos;
|
| - }
|
| - while (curStart < stream.pos) {
|
| - // Webkit seems to refuse to render text nodes longer than 57444 characters
|
| - var pos = Math.min(stream.pos, curStart + 50000);
|
| - f(pos, curStyle);
|
| - curStart = pos;
|
| - }
|
| - }
|
| -
|
| - // Compute a style array (an array starting with a mode generation
|
| - // -- for invalidation -- followed by pairs of end positions and
|
| - // style strings), which is used to highlight the tokens on the
|
| - // line.
|
| - function highlightLine(cm, line, state, forceToEnd) {
|
| - // A styles array always starts with a number identifying the
|
| - // mode/overlays that it is based on (for easy invalidation).
|
| - var st = [cm.state.modeGen], lineClasses = {};
|
| - // Compute the base array of styles
|
| - runMode(cm, line.text, cm.doc.mode, state, function(end, style) {
|
| - st.push(end, style);
|
| - }, lineClasses, forceToEnd);
|
| -
|
| - // Run overlays, adjust style array.
|
| - for (var o = 0; o < cm.state.overlays.length; ++o) {
|
| - var overlay = cm.state.overlays[o], i = 1, at = 0;
|
| - runMode(cm, line.text, overlay.mode, true, function(end, style) {
|
| - var start = i;
|
| - // Ensure there's a token end at the current position, and that i points at it
|
| - while (at < end) {
|
| - var i_end = st[i];
|
| - if (i_end > end)
|
| - st.splice(i, 1, end, st[i+1], i_end);
|
| - i += 2;
|
| - at = Math.min(end, i_end);
|
| - }
|
| - if (!style) return;
|
| - if (overlay.opaque) {
|
| - st.splice(start, i - start, end, "cm-overlay " + style);
|
| - i = start + 2;
|
| - } else {
|
| - for (; start < i; start += 2) {
|
| - var cur = st[start+1];
|
| - st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style;
|
| - }
|
| - }
|
| - }, lineClasses);
|
| - }
|
| -
|
| - return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null};
|
| - }
|
| -
|
| - function getLineStyles(cm, line, updateFrontier) {
|
| - if (!line.styles || line.styles[0] != cm.state.modeGen) {
|
| - var state = getStateBefore(cm, lineNo(line));
|
| - var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state);
|
| - line.stateAfter = state;
|
| - line.styles = result.styles;
|
| - if (result.classes) line.styleClasses = result.classes;
|
| - else if (line.styleClasses) line.styleClasses = null;
|
| - if (updateFrontier === cm.doc.frontier) cm.doc.frontier++;
|
| - }
|
| - return line.styles;
|
| - }
|
| -
|
| - // Lightweight form of highlight -- proceed over this line and
|
| - // update state, but don't save a style array. Used for lines that
|
| - // aren't currently visible.
|
| - function processLine(cm, text, state, startAt) {
|
| - var mode = cm.doc.mode;
|
| - var stream = new StringStream(text, cm.options.tabSize);
|
| - stream.start = stream.pos = startAt || 0;
|
| - if (text == "") callBlankLine(mode, state);
|
| - while (!stream.eol()) {
|
| - readToken(mode, stream, state);
|
| - stream.start = stream.pos;
|
| - }
|
| - }
|
| -
|
| - // Convert a style as returned by a mode (either null, or a string
|
| - // containing one or more styles) to a CSS style. This is cached,
|
| - // and also looks for line-wide styles.
|
| - var styleToClassCache = {}, styleToClassCacheWithMode = {};
|
| - function interpretTokenStyle(style, options) {
|
| - if (!style || /^\s*$/.test(style)) return null;
|
| - var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
|
| - return cache[style] ||
|
| - (cache[style] = style.replace(/\S+/g, "cm-$&"));
|
| - }
|
| -
|
| - // Render the DOM representation of the text of a line. Also builds
|
| - // up a 'line map', which points at the DOM nodes that represent
|
| - // specific stretches of text, and is used by the measuring code.
|
| - // The returned object contains the DOM node, this map, and
|
| - // information about line-wide styles that were set by the mode.
|
| - function buildLineContent(cm, lineView) {
|
| - // The padding-right forces the element to have a 'border', which
|
| - // is needed on Webkit to be able to get line-level bounding
|
| - // rectangles for it (in measureChar).
|
| - var content = elt("span", null, null, webkit ? "padding-right: .1px" : null);
|
| - var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content,
|
| - col: 0, pos: 0, cm: cm,
|
| - trailingSpace: false,
|
| - splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")};
|
| - lineView.measure = {};
|
| -
|
| - // Iterate over the logical lines that make up this visual line.
|
| - for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
|
| - var line = i ? lineView.rest[i - 1] : lineView.line, order;
|
| - builder.pos = 0;
|
| - builder.addToken = buildToken;
|
| - // Optionally wire in some hacks into the token-rendering
|
| - // algorithm, to deal with browser quirks.
|
| - if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line)))
|
| - builder.addToken = buildTokenBadBidi(builder.addToken, order);
|
| - builder.map = [];
|
| - var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
|
| - insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
|
| - if (line.styleClasses) {
|
| - if (line.styleClasses.bgClass)
|
| - builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "");
|
| - if (line.styleClasses.textClass)
|
| - builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "");
|
| - }
|
| -
|
| - // Ensure at least a single node is present, for measuring.
|
| - if (builder.map.length == 0)
|
| - builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure)));
|
| -
|
| - // Store the map and a cache object for the current logical line
|
| - if (i == 0) {
|
| - lineView.measure.map = builder.map;
|
| - lineView.measure.cache = {};
|
| - } else {
|
| - (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map);
|
| - (lineView.measure.caches || (lineView.measure.caches = [])).push({});
|
| - }
|
| - }
|
| -
|
| - // See issue #2901
|
| - if (webkit) {
|
| - var last = builder.content.lastChild
|
| - if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
|
| - builder.content.className = "cm-tab-wrap-hack";
|
| - }
|
| -
|
| - signal(cm, "renderLine", cm, lineView.line, builder.pre);
|
| - if (builder.pre.className)
|
| - builder.textClass = joinClasses(builder.pre.className, builder.textClass || "");
|
| -
|
| - return builder;
|
| - }
|
| -
|
| - function defaultSpecialCharPlaceholder(ch) {
|
| - var token = elt("span", "\u2022", "cm-invalidchar");
|
| - token.title = "\\u" + ch.charCodeAt(0).toString(16);
|
| - token.setAttribute("aria-label", token.title);
|
| - return token;
|
| - }
|
| -
|
| - // Build up the DOM representation for a single token, and add it to
|
| - // the line map. Takes care to render special characters separately.
|
| - function buildToken(builder, text, style, startStyle, endStyle, title, css) {
|
| - if (!text) return;
|
| - var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text
|
| - var special = builder.cm.state.specialChars, mustWrap = false;
|
| - if (!special.test(text)) {
|
| - builder.col += text.length;
|
| - var content = document.createTextNode(displayText);
|
| - builder.map.push(builder.pos, builder.pos + text.length, content);
|
| - if (ie && ie_version < 9) mustWrap = true;
|
| - builder.pos += text.length;
|
| - } else {
|
| - var content = document.createDocumentFragment(), pos = 0;
|
| - while (true) {
|
| - special.lastIndex = pos;
|
| - var m = special.exec(text);
|
| - var skipped = m ? m.index - pos : text.length - pos;
|
| - if (skipped) {
|
| - var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
|
| - if (ie && ie_version < 9) content.appendChild(elt("span", [txt]));
|
| - else content.appendChild(txt);
|
| - builder.map.push(builder.pos, builder.pos + skipped, txt);
|
| - builder.col += skipped;
|
| - builder.pos += skipped;
|
| - }
|
| - if (!m) break;
|
| - pos += skipped + 1;
|
| - if (m[0] == "\t") {
|
| - var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
|
| - var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
|
| - txt.setAttribute("role", "presentation");
|
| - txt.setAttribute("cm-text", "\t");
|
| - builder.col += tabWidth;
|
| - } else if (m[0] == "\r" || m[0] == "\n") {
|
| - var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
|
| - txt.setAttribute("cm-text", m[0]);
|
| - builder.col += 1;
|
| - } else {
|
| - var txt = builder.cm.options.specialCharPlaceholder(m[0]);
|
| - txt.setAttribute("cm-text", m[0]);
|
| - if (ie && ie_version < 9) content.appendChild(elt("span", [txt]));
|
| - else content.appendChild(txt);
|
| - builder.col += 1;
|
| - }
|
| - builder.map.push(builder.pos, builder.pos + 1, txt);
|
| - builder.pos++;
|
| - }
|
| - }
|
| - builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32
|
| - if (style || startStyle || endStyle || mustWrap || css) {
|
| - var fullStyle = style || "";
|
| - if (startStyle) fullStyle += startStyle;
|
| - if (endStyle) fullStyle += endStyle;
|
| - var token = elt("span", [content], fullStyle, css);
|
| - if (title) token.title = title;
|
| - return builder.content.appendChild(token);
|
| - }
|
| - builder.content.appendChild(content);
|
| - }
|
| -
|
| - function splitSpaces(text, trailingBefore) {
|
| - if (text.length > 1 && !/ /.test(text)) return text
|
| - var spaceBefore = trailingBefore, result = ""
|
| - for (var i = 0; i < text.length; i++) {
|
| - var ch = text.charAt(i)
|
| - if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
|
| - ch = "\u00a0"
|
| - result += ch
|
| - spaceBefore = ch == " "
|
| - }
|
| - return result
|
| - }
|
| -
|
| - // Work around nonsense dimensions being reported for stretches of
|
| - // right-to-left text.
|
| - function buildTokenBadBidi(inner, order) {
|
| - return function(builder, text, style, startStyle, endStyle, title, css) {
|
| - style = style ? style + " cm-force-border" : "cm-force-border";
|
| - var start = builder.pos, end = start + text.length;
|
| - for (;;) {
|
| - // Find the part that overlaps with the start of this text
|
| - for (var i = 0; i < order.length; i++) {
|
| - var part = order[i];
|
| - if (part.to > start && part.from <= start) break;
|
| - }
|
| - if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css);
|
| - inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css);
|
| - startStyle = null;
|
| - text = text.slice(part.to - start);
|
| - start = part.to;
|
| - }
|
| - };
|
| - }
|
| -
|
| - function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
|
| - var widget = !ignoreWidget && marker.widgetNode;
|
| - if (widget) builder.map.push(builder.pos, builder.pos + size, widget);
|
| - if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
|
| - if (!widget)
|
| - widget = builder.content.appendChild(document.createElement("span"));
|
| - widget.setAttribute("cm-marker", marker.id);
|
| - }
|
| - if (widget) {
|
| - builder.cm.display.input.setUneditable(widget);
|
| - builder.content.appendChild(widget);
|
| - }
|
| - builder.pos += size;
|
| - builder.trailingSpace = false
|
| - }
|
| -
|
| - // Outputs a number of spans to make up a line, taking highlighting
|
| - // and marked text into account.
|
| - function insertLineContent(line, builder, styles) {
|
| - var spans = line.markedSpans, allText = line.text, at = 0;
|
| - if (!spans) {
|
| - for (var i = 1; i < styles.length; i+=2)
|
| - builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options));
|
| - return;
|
| - }
|
| -
|
| - var len = allText.length, pos = 0, i = 1, text = "", style, css;
|
| - var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;
|
| - for (;;) {
|
| - if (nextChange == pos) { // Update current marker set
|
| - spanStyle = spanEndStyle = spanStartStyle = title = css = "";
|
| - collapsed = null; nextChange = Infinity;
|
| - var foundBookmarks = [], endStyles
|
| - for (var j = 0; j < spans.length; ++j) {
|
| - var sp = spans[j], m = sp.marker;
|
| - if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
|
| - foundBookmarks.push(m);
|
| - } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
|
| - if (sp.to != null && sp.to != pos && nextChange > sp.to) {
|
| - nextChange = sp.to;
|
| - spanEndStyle = "";
|
| - }
|
| - if (m.className) spanStyle += " " + m.className;
|
| - if (m.css) css = (css ? css + ";" : "") + m.css;
|
| - if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle;
|
| - if (m.endStyle && sp.to == nextChange) (endStyles || (endStyles = [])).push(m.endStyle, sp.to)
|
| - if (m.title && !title) title = m.title;
|
| - if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
|
| - collapsed = sp;
|
| - } else if (sp.from > pos && nextChange > sp.from) {
|
| - nextChange = sp.from;
|
| - }
|
| - }
|
| - if (endStyles) for (var j = 0; j < endStyles.length; j += 2)
|
| - if (endStyles[j + 1] == nextChange) spanEndStyle += " " + endStyles[j]
|
| -
|
| - if (!collapsed || collapsed.from == pos) for (var j = 0; j < foundBookmarks.length; ++j)
|
| - buildCollapsedSpan(builder, 0, foundBookmarks[j]);
|
| - if (collapsed && (collapsed.from || 0) == pos) {
|
| - buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
|
| - collapsed.marker, collapsed.from == null);
|
| - if (collapsed.to == null) return;
|
| - if (collapsed.to == pos) collapsed = false;
|
| - }
|
| - }
|
| - if (pos >= len) break;
|
| -
|
| - var upto = Math.min(len, nextChange);
|
| - while (true) {
|
| - if (text) {
|
| - var end = pos + text.length;
|
| - if (!collapsed) {
|
| - var tokenText = end > upto ? text.slice(0, upto - pos) : text;
|
| - builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
|
| - spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css);
|
| - }
|
| - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
|
| - pos = end;
|
| - spanStartStyle = "";
|
| - }
|
| - text = allText.slice(at, at = styles[i++]);
|
| - style = interpretTokenStyle(styles[i++], builder.cm.options);
|
| - }
|
| - }
|
| - }
|
| -
|
| - // DOCUMENT DATA STRUCTURE
|
| -
|
| - // By default, updates that start and end at the beginning of a line
|
| - // are treated specially, in order to make the association of line
|
| - // widgets and marker elements with the text behave more intuitive.
|
| - function isWholeLineUpdate(doc, change) {
|
| - return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
|
| - (!doc.cm || doc.cm.options.wholeLineUpdateBefore);
|
| - }
|
| -
|
| - // Perform a change on the document data structure.
|
| - function updateDoc(doc, change, markedSpans, estimateHeight) {
|
| - function spansFor(n) {return markedSpans ? markedSpans[n] : null;}
|
| - function update(line, text, spans) {
|
| - updateLine(line, text, spans, estimateHeight);
|
| - signalLater(line, "change", line, change);
|
| - }
|
| - function linesFor(start, end) {
|
| - for (var i = start, result = []; i < end; ++i)
|
| - result.push(new Line(text[i], spansFor(i), estimateHeight));
|
| - return result;
|
| - }
|
| -
|
| - var from = change.from, to = change.to, text = change.text;
|
| - var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
|
| - var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
|
| -
|
| - // Adjust the line structure
|
| - if (change.full) {
|
| - doc.insert(0, linesFor(0, text.length));
|
| - doc.remove(text.length, doc.size - text.length);
|
| - } else if (isWholeLineUpdate(doc, change)) {
|
| - // This is a whole-line replace. Treated specially to make
|
| - // sure line objects move the way they are supposed to.
|
| - var added = linesFor(0, text.length - 1);
|
| - update(lastLine, lastLine.text, lastSpans);
|
| - if (nlines) doc.remove(from.line, nlines);
|
| - if (added.length) doc.insert(from.line, added);
|
| - } else if (firstLine == lastLine) {
|
| - if (text.length == 1) {
|
| - update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
|
| - } else {
|
| - var added = linesFor(1, text.length - 1);
|
| - added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight));
|
| - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
|
| - doc.insert(from.line + 1, added);
|
| - }
|
| - } else if (text.length == 1) {
|
| - update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
|
| - doc.remove(from.line + 1, nlines);
|
| - } else {
|
| - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
|
| - update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
|
| - var added = linesFor(1, text.length - 1);
|
| - if (nlines > 1) doc.remove(from.line + 1, nlines - 1);
|
| - doc.insert(from.line + 1, added);
|
| - }
|
| -
|
| - signalLater(doc, "change", doc, change);
|
| - }
|
| -
|
| - // The document is represented as a BTree consisting of leaves, with
|
| - // chunk of lines in them, and branches, with up to ten leaves or
|
| - // other branch nodes below them. The top node is always a branch
|
| - // node, and is the document object itself (meaning it has
|
| - // additional methods and properties).
|
| - //
|
| - // All nodes have parent links. The tree is used both to go from
|
| - // line numbers to line objects, and to go from objects to numbers.
|
| - // It also indexes by height, and is used to convert between height
|
| - // and line object, and to find the total height of the document.
|
| - //
|
| - // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
|
| -
|
| - function LeafChunk(lines) {
|
| - this.lines = lines;
|
| - this.parent = null;
|
| - for (var i = 0, height = 0; i < lines.length; ++i) {
|
| - lines[i].parent = this;
|
| - height += lines[i].height;
|
| - }
|
| - this.height = height;
|
| - }
|
| -
|
| - LeafChunk.prototype = {
|
| - chunkSize: function() { return this.lines.length; },
|
| - // Remove the n lines at offset 'at'.
|
| - removeInner: function(at, n) {
|
| - for (var i = at, e = at + n; i < e; ++i) {
|
| - var line = this.lines[i];
|
| - this.height -= line.height;
|
| - cleanUpLine(line);
|
| - signalLater(line, "delete");
|
| - }
|
| - this.lines.splice(at, n);
|
| - },
|
| - // Helper used to collapse a small branch into a single leaf.
|
| - collapse: function(lines) {
|
| - lines.push.apply(lines, this.lines);
|
| - },
|
| - // Insert the given array of lines at offset 'at', count them as
|
| - // having the given height.
|
| - insertInner: function(at, lines, height) {
|
| - this.height += height;
|
| - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
|
| - for (var i = 0; i < lines.length; ++i) lines[i].parent = this;
|
| - },
|
| - // Used to iterate over a part of the tree.
|
| - iterN: function(at, n, op) {
|
| - for (var e = at + n; at < e; ++at)
|
| - if (op(this.lines[at])) return true;
|
| - }
|
| - };
|
| -
|
| - function BranchChunk(children) {
|
| - this.children = children;
|
| - var size = 0, height = 0;
|
| - for (var i = 0; i < children.length; ++i) {
|
| - var ch = children[i];
|
| - size += ch.chunkSize(); height += ch.height;
|
| - ch.parent = this;
|
| - }
|
| - this.size = size;
|
| - this.height = height;
|
| - this.parent = null;
|
| - }
|
| -
|
| - BranchChunk.prototype = {
|
| - chunkSize: function() { return this.size; },
|
| - removeInner: function(at, n) {
|
| - this.size -= n;
|
| - for (var i = 0; i < this.children.length; ++i) {
|
| - var child = this.children[i], sz = child.chunkSize();
|
| - if (at < sz) {
|
| - var rm = Math.min(n, sz - at), oldHeight = child.height;
|
| - child.removeInner(at, rm);
|
| - this.height -= oldHeight - child.height;
|
| - if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
|
| - if ((n -= rm) == 0) break;
|
| - at = 0;
|
| - } else at -= sz;
|
| - }
|
| - // If the result is smaller than 25 lines, ensure that it is a
|
| - // single leaf node.
|
| - if (this.size - n < 25 &&
|
| - (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
|
| - var lines = [];
|
| - this.collapse(lines);
|
| - this.children = [new LeafChunk(lines)];
|
| - this.children[0].parent = this;
|
| - }
|
| - },
|
| - collapse: function(lines) {
|
| - for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines);
|
| - },
|
| - insertInner: function(at, lines, height) {
|
| - this.size += lines.length;
|
| - this.height += height;
|
| - for (var i = 0; i < this.children.length; ++i) {
|
| - var child = this.children[i], sz = child.chunkSize();
|
| - if (at <= sz) {
|
| - child.insertInner(at, lines, height);
|
| - if (child.lines && child.lines.length > 50) {
|
| - // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.
|
| - // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.
|
| - var remaining = child.lines.length % 25 + 25
|
| - for (var pos = remaining; pos < child.lines.length;) {
|
| - var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));
|
| - child.height -= leaf.height;
|
| - this.children.splice(++i, 0, leaf);
|
| - leaf.parent = this;
|
| - }
|
| - child.lines = child.lines.slice(0, remaining);
|
| - this.maybeSpill();
|
| - }
|
| - break;
|
| - }
|
| - at -= sz;
|
| - }
|
| - },
|
| - // When a node has grown, check whether it should be split.
|
| - maybeSpill: function() {
|
| - if (this.children.length <= 10) return;
|
| - var me = this;
|
| - do {
|
| - var spilled = me.children.splice(me.children.length - 5, 5);
|
| - var sibling = new BranchChunk(spilled);
|
| - if (!me.parent) { // Become the parent node
|
| - var copy = new BranchChunk(me.children);
|
| - copy.parent = me;
|
| - me.children = [copy, sibling];
|
| - me = copy;
|
| - } else {
|
| - me.size -= sibling.size;
|
| - me.height -= sibling.height;
|
| - var myIndex = indexOf(me.parent.children, me);
|
| - me.parent.children.splice(myIndex + 1, 0, sibling);
|
| - }
|
| - sibling.parent = me.parent;
|
| - } while (me.children.length > 10);
|
| - me.parent.maybeSpill();
|
| - },
|
| - iterN: function(at, n, op) {
|
| - for (var i = 0; i < this.children.length; ++i) {
|
| - var child = this.children[i], sz = child.chunkSize();
|
| - if (at < sz) {
|
| - var used = Math.min(n, sz - at);
|
| - if (child.iterN(at, used, op)) return true;
|
| - if ((n -= used) == 0) break;
|
| - at = 0;
|
| - } else at -= sz;
|
| - }
|
| - }
|
| - };
|
| -
|
| - var nextDocId = 0;
|
| - var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) {
|
| - if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep);
|
| - if (firstLine == null) firstLine = 0;
|
| -
|
| - BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
|
| - this.first = firstLine;
|
| - this.scrollTop = this.scrollLeft = 0;
|
| - this.cantEdit = false;
|
| - this.cleanGeneration = 1;
|
| - this.frontier = firstLine;
|
| - var start = Pos(firstLine, 0);
|
| - this.sel = simpleSelection(start);
|
| - this.history = new History(null);
|
| - this.id = ++nextDocId;
|
| - this.modeOption = mode;
|
| - this.lineSep = lineSep;
|
| - this.extend = false;
|
| -
|
| - if (typeof text == "string") text = this.splitLines(text);
|
| - updateDoc(this, {from: start, to: start, text: text});
|
| - setSelection(this, simpleSelection(start), sel_dontScroll);
|
| - };
|
| -
|
| - Doc.prototype = createObj(BranchChunk.prototype, {
|
| - constructor: Doc,
|
| - // Iterate over the document. Supports two forms -- with only one
|
| - // argument, it calls that for each line in the document. With
|
| - // three, it iterates over the range given by the first two (with
|
| - // the second being non-inclusive).
|
| - iter: function(from, to, op) {
|
| - if (op) this.iterN(from - this.first, to - from, op);
|
| - else this.iterN(this.first, this.first + this.size, from);
|
| - },
|
| -
|
| - // Non-public interface for adding and removing lines.
|
| - insert: function(at, lines) {
|
| - var height = 0;
|
| - for (var i = 0; i < lines.length; ++i) height += lines[i].height;
|
| - this.insertInner(at - this.first, lines, height);
|
| + coordsChar: function(coords, mode) {
|
| + coords = fromCoordSystem(this, coords, mode || "page")
|
| + return coordsChar(this, coords.left, coords.top)
|
| },
|
| - remove: function(at, n) { this.removeInner(at - this.first, n); },
|
| -
|
| - // From here, the methods are part of the public interface. Most
|
| - // are also available from CodeMirror (editor) instances.
|
|
|
| - getValue: function(lineSep) {
|
| - var lines = getLines(this, this.first, this.first + this.size);
|
| - if (lineSep === false) return lines;
|
| - return lines.join(lineSep || this.lineSeparator());
|
| - },
|
| - setValue: docMethodOp(function(code) {
|
| - var top = Pos(this.first, 0), last = this.first + this.size - 1;
|
| - makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
|
| - text: this.splitLines(code), origin: "setValue", full: true}, true);
|
| - setSelection(this, simpleSelection(top));
|
| - }),
|
| - replaceRange: function(code, from, to, origin) {
|
| - from = clipPos(this, from);
|
| - to = to ? clipPos(this, to) : from;
|
| - replaceRange(this, code, from, to, origin);
|
| + lineAtHeight: function(height, mode) {
|
| + height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top
|
| + return lineAtHeight(this.doc, height + this.display.viewOffset)
|
| },
|
| - getRange: function(from, to, lineSep) {
|
| - var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
|
| - if (lineSep === false) return lines;
|
| - return lines.join(lineSep || this.lineSeparator());
|
| + heightAtLine: function(line, mode, includeWidgets) {
|
| + var end = false, lineObj
|
| + if (typeof line == "number") {
|
| + var last = this.doc.first + this.doc.size - 1
|
| + if (line < this.doc.first) { line = this.doc.first }
|
| + else if (line > last) { line = last; end = true }
|
| + lineObj = getLine(this.doc, line)
|
| + } else {
|
| + lineObj = line
|
| + }
|
| + return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top +
|
| + (end ? this.doc.height - heightAtLine(lineObj) : 0)
|
| },
|
|
|
| - getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;},
|
| + defaultTextHeight: function() { return textHeight(this.display) },
|
| + defaultCharWidth: function() { return charWidth(this.display) },
|
|
|
| - getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);},
|
| - getLineNumber: function(line) {return lineNo(line);},
|
| + getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},
|
|
|
| - getLineHandleVisualStart: function(line) {
|
| - if (typeof line == "number") line = getLine(this, line);
|
| - return visualLine(line);
|
| + addWidget: function(pos, node, scroll, vert, horiz) {
|
| + var display = this.display
|
| + pos = cursorCoords(this, clipPos(this.doc, pos))
|
| + var top = pos.bottom, left = pos.left
|
| + node.style.position = "absolute"
|
| + node.setAttribute("cm-ignore-events", "true")
|
| + this.display.input.setUneditable(node)
|
| + display.sizer.appendChild(node)
|
| + if (vert == "over") {
|
| + top = pos.top
|
| + } else if (vert == "above" || vert == "near") {
|
| + var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
|
| + hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth)
|
| + // Default to positioning above (if specified and possible); otherwise default to positioning below
|
| + if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
|
| + { top = pos.top - node.offsetHeight }
|
| + else if (pos.bottom + node.offsetHeight <= vspace)
|
| + { top = pos.bottom }
|
| + if (left + node.offsetWidth > hspace)
|
| + { left = hspace - node.offsetWidth }
|
| + }
|
| + node.style.top = top + "px"
|
| + node.style.left = node.style.right = ""
|
| + if (horiz == "right") {
|
| + left = display.sizer.clientWidth - node.offsetWidth
|
| + node.style.right = "0px"
|
| + } else {
|
| + if (horiz == "left") { left = 0 }
|
| + else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2 }
|
| + node.style.left = left + "px"
|
| + }
|
| + if (scroll)
|
| + { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}) }
|
| },
|
|
|
| - lineCount: function() {return this.size;},
|
| - firstLine: function() {return this.first;},
|
| - lastLine: function() {return this.first + this.size - 1;},
|
| -
|
| - clipPos: function(pos) {return clipPos(this, pos);},
|
| + triggerOnKeyDown: methodOp(onKeyDown),
|
| + triggerOnKeyPress: methodOp(onKeyPress),
|
| + triggerOnKeyUp: onKeyUp,
|
|
|
| - getCursor: function(start) {
|
| - var range = this.sel.primary(), pos;
|
| - if (start == null || start == "head") pos = range.head;
|
| - else if (start == "anchor") pos = range.anchor;
|
| - else if (start == "end" || start == "to" || start === false) pos = range.to();
|
| - else pos = range.from();
|
| - return pos;
|
| + execCommand: function(cmd) {
|
| + if (commands.hasOwnProperty(cmd))
|
| + { return commands[cmd].call(null, this) }
|
| },
|
| - listSelections: function() { return this.sel.ranges; },
|
| - somethingSelected: function() {return this.sel.somethingSelected();},
|
|
|
| - setCursor: docMethodOp(function(line, ch, options) {
|
| - setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
|
| - }),
|
| - setSelection: docMethodOp(function(anchor, head, options) {
|
| - setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
|
| - }),
|
| - extendSelection: docMethodOp(function(head, other, options) {
|
| - extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
|
| - }),
|
| - extendSelections: docMethodOp(function(heads, options) {
|
| - extendSelections(this, clipPosArray(this, heads), options);
|
| - }),
|
| - extendSelectionsBy: docMethodOp(function(f, options) {
|
| - var heads = map(this.sel.ranges, f);
|
| - extendSelections(this, clipPosArray(this, heads), options);
|
| - }),
|
| - setSelections: docMethodOp(function(ranges, primary, options) {
|
| - if (!ranges.length) return;
|
| - for (var i = 0, out = []; i < ranges.length; i++)
|
| - out[i] = new Range(clipPos(this, ranges[i].anchor),
|
| - clipPos(this, ranges[i].head));
|
| - if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex);
|
| - setSelection(this, normalizeSelection(out, primary), options);
|
| - }),
|
| - addSelection: docMethodOp(function(anchor, head, options) {
|
| - var ranges = this.sel.ranges.slice(0);
|
| - ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
|
| - setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);
|
| - }),
|
| + triggerElectric: methodOp(function(text) { triggerElectric(this, text) }),
|
|
|
| - getSelection: function(lineSep) {
|
| - var ranges = this.sel.ranges, lines;
|
| - for (var i = 0; i < ranges.length; i++) {
|
| - var sel = getBetween(this, ranges[i].from(), ranges[i].to());
|
| - lines = lines ? lines.concat(sel) : sel;
|
| - }
|
| - if (lineSep === false) return lines;
|
| - else return lines.join(lineSep || this.lineSeparator());
|
| - },
|
| - getSelections: function(lineSep) {
|
| - var parts = [], ranges = this.sel.ranges;
|
| - for (var i = 0; i < ranges.length; i++) {
|
| - var sel = getBetween(this, ranges[i].from(), ranges[i].to());
|
| - if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator());
|
| - parts[i] = sel;
|
| - }
|
| - return parts;
|
| - },
|
| - replaceSelection: function(code, collapse, origin) {
|
| - var dup = [];
|
| - for (var i = 0; i < this.sel.ranges.length; i++)
|
| - dup[i] = code;
|
| - this.replaceSelections(dup, collapse, origin || "+input");
|
| - },
|
| - replaceSelections: docMethodOp(function(code, collapse, origin) {
|
| - var changes = [], sel = this.sel;
|
| - for (var i = 0; i < sel.ranges.length; i++) {
|
| - var range = sel.ranges[i];
|
| - changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin};
|
| - }
|
| - var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
|
| - for (var i = changes.length - 1; i >= 0; i--)
|
| - makeChange(this, changes[i]);
|
| - if (newSel) setSelectionReplaceHistory(this, newSel);
|
| - else if (this.cm) ensureCursorVisible(this.cm);
|
| - }),
|
| - undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
|
| - redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
|
| - undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
|
| - redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
|
| -
|
| - setExtending: function(val) {this.extend = val;},
|
| - getExtending: function() {return this.extend;},
|
| -
|
| - historySize: function() {
|
| - var hist = this.history, done = 0, undone = 0;
|
| - for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done;
|
| - for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone;
|
| - return {undo: done, redo: undone};
|
| - },
|
| - clearHistory: function() {this.history = new History(this.history.maxGeneration);},
|
| + findPosH: function(from, amount, unit, visually) {
|
| + var this$1 = this;
|
|
|
| - markClean: function() {
|
| - this.cleanGeneration = this.changeGeneration(true);
|
| - },
|
| - changeGeneration: function(forceSplit) {
|
| - if (forceSplit)
|
| - this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null;
|
| - return this.history.generation;
|
| - },
|
| - isClean: function (gen) {
|
| - return this.history.generation == (gen || this.cleanGeneration);
|
| + var dir = 1
|
| + if (amount < 0) { dir = -1; amount = -amount }
|
| + var cur = clipPos(this.doc, from)
|
| + for (var i = 0; i < amount; ++i) {
|
| + cur = findPosH(this$1.doc, cur, dir, unit, visually)
|
| + if (cur.hitSide) { break }
|
| + }
|
| + return cur
|
| },
|
|
|
| - getHistory: function() {
|
| - return {done: copyHistoryArray(this.history.done),
|
| - undone: copyHistoryArray(this.history.undone)};
|
| - },
|
| - setHistory: function(histData) {
|
| - var hist = this.history = new History(this.history.maxGeneration);
|
| - hist.done = copyHistoryArray(histData.done.slice(0), null, true);
|
| - hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
|
| - },
|
| + moveH: methodOp(function(dir, unit) {
|
| + var this$1 = this;
|
|
|
| - addLineClass: docMethodOp(function(handle, where, cls) {
|
| - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) {
|
| - var prop = where == "text" ? "textClass"
|
| - : where == "background" ? "bgClass"
|
| - : where == "gutter" ? "gutterClass" : "wrapClass";
|
| - if (!line[prop]) line[prop] = cls;
|
| - else if (classTest(cls).test(line[prop])) return false;
|
| - else line[prop] += " " + cls;
|
| - return true;
|
| - });
|
| - }),
|
| - removeLineClass: docMethodOp(function(handle, where, cls) {
|
| - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) {
|
| - var prop = where == "text" ? "textClass"
|
| - : where == "background" ? "bgClass"
|
| - : where == "gutter" ? "gutterClass" : "wrapClass";
|
| - var cur = line[prop];
|
| - if (!cur) return false;
|
| - else if (cls == null) line[prop] = null;
|
| - else {
|
| - var found = cur.match(classTest(cls));
|
| - if (!found) return false;
|
| - var end = found.index + found[0].length;
|
| - line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
|
| - }
|
| - return true;
|
| - });
|
| + this.extendSelectionsBy(function (range) {
|
| + if (this$1.display.shift || this$1.doc.extend || range.empty())
|
| + { return findPosH(this$1.doc, range.head, dir, unit, this$1.options.rtlMoveVisually) }
|
| + else
|
| + { return dir < 0 ? range.from() : range.to() }
|
| + }, sel_move)
|
| }),
|
|
|
| - addLineWidget: docMethodOp(function(handle, node, options) {
|
| - return addLineWidget(this, handle, node, options);
|
| + deleteH: methodOp(function(dir, unit) {
|
| + var sel = this.doc.sel, doc = this.doc
|
| + if (sel.somethingSelected())
|
| + { doc.replaceSelection("", null, "+delete") }
|
| + else
|
| + { deleteNearSelection(this, function (range) {
|
| + var other = findPosH(doc, range.head, dir, unit, false)
|
| + return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}
|
| + }) }
|
| }),
|
| - removeLineWidget: function(widget) { widget.clear(); },
|
|
|
| - markText: function(from, to, options) {
|
| - return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range");
|
| - },
|
| - setBookmark: function(pos, options) {
|
| - var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
|
| - insertLeft: options && options.insertLeft,
|
| - clearWhenEmpty: false, shared: options && options.shared,
|
| - handleMouseEvents: options && options.handleMouseEvents};
|
| - pos = clipPos(this, pos);
|
| - return markText(this, pos, pos, realOpts, "bookmark");
|
| - },
|
| - findMarksAt: function(pos) {
|
| - pos = clipPos(this, pos);
|
| - var markers = [], spans = getLine(this, pos.line).markedSpans;
|
| - if (spans) for (var i = 0; i < spans.length; ++i) {
|
| - var span = spans[i];
|
| - if ((span.from == null || span.from <= pos.ch) &&
|
| - (span.to == null || span.to >= pos.ch))
|
| - markers.push(span.marker.parent || span.marker);
|
| - }
|
| - return markers;
|
| - },
|
| - findMarks: function(from, to, filter) {
|
| - from = clipPos(this, from); to = clipPos(this, to);
|
| - var found = [], lineNo = from.line;
|
| - this.iter(from.line, to.line + 1, function(line) {
|
| - var spans = line.markedSpans;
|
| - if (spans) for (var i = 0; i < spans.length; i++) {
|
| - var span = spans[i];
|
| - if (!(span.to != null && lineNo == from.line && from.ch >= span.to ||
|
| - span.from == null && lineNo != from.line ||
|
| - span.from != null && lineNo == to.line && span.from >= to.ch) &&
|
| - (!filter || filter(span.marker)))
|
| - found.push(span.marker.parent || span.marker);
|
| - }
|
| - ++lineNo;
|
| - });
|
| - return found;
|
| - },
|
| - getAllMarks: function() {
|
| - var markers = [];
|
| - this.iter(function(line) {
|
| - var sps = line.markedSpans;
|
| - if (sps) for (var i = 0; i < sps.length; ++i)
|
| - if (sps[i].from != null) markers.push(sps[i].marker);
|
| - });
|
| - return markers;
|
| + findPosV: function(from, amount, unit, goalColumn) {
|
| + var this$1 = this;
|
| +
|
| + var dir = 1, x = goalColumn
|
| + if (amount < 0) { dir = -1; amount = -amount }
|
| + var cur = clipPos(this.doc, from)
|
| + for (var i = 0; i < amount; ++i) {
|
| + var coords = cursorCoords(this$1, cur, "div")
|
| + if (x == null) { x = coords.left }
|
| + else { coords.left = x }
|
| + cur = findPosV(this$1, coords, dir, unit)
|
| + if (cur.hitSide) { break }
|
| + }
|
| + return cur
|
| },
|
|
|
| - posFromIndex: function(off) {
|
| - var ch, lineNo = this.first, sepSize = this.lineSeparator().length;
|
| - this.iter(function(line) {
|
| - var sz = line.text.length + sepSize;
|
| - if (sz > off) { ch = off; return true; }
|
| - off -= sz;
|
| - ++lineNo;
|
| - });
|
| - return clipPos(this, Pos(lineNo, ch));
|
| - },
|
| - indexFromPos: function (coords) {
|
| - coords = clipPos(this, coords);
|
| - var index = coords.ch;
|
| - if (coords.line < this.first || coords.ch < 0) return 0;
|
| - var sepSize = this.lineSeparator().length;
|
| - this.iter(this.first, coords.line, function (line) {
|
| - index += line.text.length + sepSize;
|
| - });
|
| - return index;
|
| - },
|
| + moveV: methodOp(function(dir, unit) {
|
| + var this$1 = this;
|
|
|
| - copy: function(copyHistory) {
|
| - var doc = new Doc(getLines(this, this.first, this.first + this.size),
|
| - this.modeOption, this.first, this.lineSep);
|
| - doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
|
| - doc.sel = this.sel;
|
| - doc.extend = false;
|
| - if (copyHistory) {
|
| - doc.history.undoDepth = this.history.undoDepth;
|
| - doc.setHistory(this.getHistory());
|
| - }
|
| - return doc;
|
| - },
|
| + var doc = this.doc, goals = []
|
| + var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected()
|
| + doc.extendSelectionsBy(function (range) {
|
| + if (collapse)
|
| + { return dir < 0 ? range.from() : range.to() }
|
| + var headPos = cursorCoords(this$1, range.head, "div")
|
| + if (range.goalColumn != null) { headPos.left = range.goalColumn }
|
| + goals.push(headPos.left)
|
| + var pos = findPosV(this$1, headPos, dir, unit)
|
| + if (unit == "page" && range == doc.sel.primary())
|
| + { addToScrollPos(this$1, null, charCoords(this$1, pos, "div").top - headPos.top) }
|
| + return pos
|
| + }, sel_move)
|
| + if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)
|
| + { doc.sel.ranges[i].goalColumn = goals[i] } }
|
| + }),
|
|
|
| - linkedDoc: function(options) {
|
| - if (!options) options = {};
|
| - var from = this.first, to = this.first + this.size;
|
| - if (options.from != null && options.from > from) from = options.from;
|
| - if (options.to != null && options.to < to) to = options.to;
|
| - var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep);
|
| - if (options.sharedHist) copy.history = this.history;
|
| - (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
|
| - copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
|
| - copySharedMarkers(copy, findSharedMarkers(this));
|
| - return copy;
|
| - },
|
| - unlinkDoc: function(other) {
|
| - if (other instanceof CodeMirror) other = other.doc;
|
| - if (this.linked) for (var i = 0; i < this.linked.length; ++i) {
|
| - var link = this.linked[i];
|
| - if (link.doc != other) continue;
|
| - this.linked.splice(i, 1);
|
| - other.unlinkDoc(this);
|
| - detachSharedMarkers(findSharedMarkers(this));
|
| - break;
|
| - }
|
| - // If the histories were shared, split them again
|
| - if (other.history == this.history) {
|
| - var splitIds = [other.id];
|
| - linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true);
|
| - other.history = new History(null);
|
| - other.history.done = copyHistoryArray(this.history.done, splitIds);
|
| - other.history.undone = copyHistoryArray(this.history.undone, splitIds);
|
| + // Find the word at the given position (as returned by coordsChar).
|
| + findWordAt: function(pos) {
|
| + var doc = this.doc, line = getLine(doc, pos.line).text
|
| + var start = pos.ch, end = pos.ch
|
| + if (line) {
|
| + var helper = this.getHelper(pos, "wordChars")
|
| + if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end }
|
| + var startChar = line.charAt(start)
|
| + var check = isWordChar(startChar, helper)
|
| + ? function (ch) { return isWordChar(ch, helper); }
|
| + : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); }
|
| + : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); }
|
| + while (start > 0 && check(line.charAt(start - 1))) { --start }
|
| + while (end < line.length && check(line.charAt(end))) { ++end }
|
| }
|
| + return new Range(Pos(pos.line, start), Pos(pos.line, end))
|
| },
|
| - iterLinkedDocs: function(f) {linkedDocs(this, f);},
|
|
|
| - getMode: function() {return this.mode;},
|
| - getEditor: function() {return this.cm;},
|
| + toggleOverwrite: function(value) {
|
| + if (value != null && value == this.state.overwrite) { return }
|
| + if (this.state.overwrite = !this.state.overwrite)
|
| + { addClass(this.display.cursorDiv, "CodeMirror-overwrite") }
|
| + else
|
| + { rmClass(this.display.cursorDiv, "CodeMirror-overwrite") }
|
|
|
| - splitLines: function(str) {
|
| - if (this.lineSep) return str.split(this.lineSep);
|
| - return splitLinesAuto(str);
|
| + signal(this, "overwriteToggle", this, this.state.overwrite)
|
| },
|
| - lineSeparator: function() { return this.lineSep || "\n"; }
|
| - });
|
| -
|
| - // Public alias.
|
| - Doc.prototype.eachLine = Doc.prototype.iter;
|
| -
|
| - // Set up methods on CodeMirror's prototype to redirect to the editor's document.
|
| - var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
|
| - for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
|
| - CodeMirror.prototype[prop] = (function(method) {
|
| - return function() {return method.apply(this.doc, arguments);};
|
| - })(Doc.prototype[prop]);
|
| -
|
| - eventMixin(Doc);
|
| -
|
| - // Call f for all linked documents.
|
| - function linkedDocs(doc, f, sharedHistOnly) {
|
| - function propagate(doc, skip, sharedHist) {
|
| - if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) {
|
| - var rel = doc.linked[i];
|
| - if (rel.doc == skip) continue;
|
| - var shared = sharedHist && rel.sharedHist;
|
| - if (sharedHistOnly && !shared) continue;
|
| - f(rel.doc, shared);
|
| - propagate(rel.doc, doc, shared);
|
| - }
|
| - }
|
| - propagate(doc, null, true);
|
| - }
|
| + hasFocus: function() { return this.display.input.getField() == activeElt() },
|
| + isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },
|
|
|
| - // Attach a document to an editor.
|
| - function attachDoc(cm, doc) {
|
| - if (doc.cm) throw new Error("This document is already in use.");
|
| - cm.doc = doc;
|
| - doc.cm = cm;
|
| - estimateLineHeights(cm);
|
| - loadMode(cm);
|
| - if (!cm.options.lineWrapping) findMaxLine(cm);
|
| - cm.options.mode = doc.modeOption;
|
| - regChange(cm);
|
| - }
|
| -
|
| - // LINE UTILITIES
|
| -
|
| - // Find the line object corresponding to the given line number.
|
| - function getLine(doc, n) {
|
| - n -= doc.first;
|
| - if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document.");
|
| - for (var chunk = doc; !chunk.lines;) {
|
| - for (var i = 0;; ++i) {
|
| - var child = chunk.children[i], sz = child.chunkSize();
|
| - if (n < sz) { chunk = child; break; }
|
| - n -= sz;
|
| - }
|
| - }
|
| - return chunk.lines[n];
|
| - }
|
| -
|
| - // Get the part of a document between two positions, as an array of
|
| - // strings.
|
| - function getBetween(doc, start, end) {
|
| - var out = [], n = start.line;
|
| - doc.iter(start.line, end.line + 1, function(line) {
|
| - var text = line.text;
|
| - if (n == end.line) text = text.slice(0, end.ch);
|
| - if (n == start.line) text = text.slice(start.ch);
|
| - out.push(text);
|
| - ++n;
|
| - });
|
| - return out;
|
| - }
|
| - // Get the lines between from and to, as array of strings.
|
| - function getLines(doc, from, to) {
|
| - var out = [];
|
| - doc.iter(from, to, function(line) { out.push(line.text); });
|
| - return out;
|
| - }
|
| -
|
| - // Update the height of a line, propagating the height change
|
| - // upwards to parent nodes.
|
| - function updateLineHeight(line, height) {
|
| - var diff = height - line.height;
|
| - if (diff) for (var n = line; n; n = n.parent) n.height += diff;
|
| - }
|
| -
|
| - // Given a line object, find its line number by walking up through
|
| - // its parent links.
|
| - function lineNo(line) {
|
| - if (line.parent == null) return null;
|
| - var cur = line.parent, no = indexOf(cur.lines, line);
|
| - for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
|
| - for (var i = 0;; ++i) {
|
| - if (chunk.children[i] == cur) break;
|
| - no += chunk.children[i].chunkSize();
|
| - }
|
| - }
|
| - return no + cur.first;
|
| - }
|
| + scrollTo: methodOp(function(x, y) {
|
| + if (x != null || y != null) { resolveScrollToPos(this) }
|
| + if (x != null) { this.curOp.scrollLeft = x }
|
| + if (y != null) { this.curOp.scrollTop = y }
|
| + }),
|
| + getScrollInfo: function() {
|
| + var scroller = this.display.scroller
|
| + return {left: scroller.scrollLeft, top: scroller.scrollTop,
|
| + height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
|
| + width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
|
| + clientHeight: displayHeight(this), clientWidth: displayWidth(this)}
|
| + },
|
|
|
| - // Find the line at the given vertical position, using the height
|
| - // information in the document tree.
|
| - function lineAtHeight(chunk, h) {
|
| - var n = chunk.first;
|
| - outer: do {
|
| - for (var i = 0; i < chunk.children.length; ++i) {
|
| - var child = chunk.children[i], ch = child.height;
|
| - if (h < ch) { chunk = child; continue outer; }
|
| - h -= ch;
|
| - n += child.chunkSize();
|
| + scrollIntoView: methodOp(function(range, margin) {
|
| + if (range == null) {
|
| + range = {from: this.doc.sel.primary().head, to: null}
|
| + if (margin == null) { margin = this.options.cursorScrollMargin }
|
| + } else if (typeof range == "number") {
|
| + range = {from: Pos(range, 0), to: null}
|
| + } else if (range.from == null) {
|
| + range = {from: range, to: null}
|
| }
|
| - return n;
|
| - } while (!chunk.lines);
|
| - for (var i = 0; i < chunk.lines.length; ++i) {
|
| - var line = chunk.lines[i], lh = line.height;
|
| - if (h < lh) break;
|
| - h -= lh;
|
| - }
|
| - return n + i;
|
| - }
|
| -
|
| + if (!range.to) { range.to = range.from }
|
| + range.margin = margin || 0
|
|
|
| - // Find the height above the given line.
|
| - function heightAtLine(lineObj) {
|
| - lineObj = visualLine(lineObj);
|
| -
|
| - var h = 0, chunk = lineObj.parent;
|
| - for (var i = 0; i < chunk.lines.length; ++i) {
|
| - var line = chunk.lines[i];
|
| - if (line == lineObj) break;
|
| - else h += line.height;
|
| - }
|
| - for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
|
| - for (var i = 0; i < p.children.length; ++i) {
|
| - var cur = p.children[i];
|
| - if (cur == chunk) break;
|
| - else h += cur.height;
|
| - }
|
| - }
|
| - return h;
|
| - }
|
| -
|
| - // Get the bidi ordering for the given line (and cache it). Returns
|
| - // false for lines that are fully left-to-right, and an array of
|
| - // BidiSpan objects otherwise.
|
| - function getOrder(line) {
|
| - var order = line.order;
|
| - if (order == null) order = line.order = bidiOrdering(line.text);
|
| - return order;
|
| - }
|
| -
|
| - // HISTORY
|
| -
|
| - function History(startGen) {
|
| - // Arrays of change events and selections. Doing something adds an
|
| - // event to done and clears undo. Undoing moves events from done
|
| - // to undone, redoing moves them in the other direction.
|
| - this.done = []; this.undone = [];
|
| - this.undoDepth = Infinity;
|
| - // Used to track when changes can be merged into a single undo
|
| - // event
|
| - this.lastModTime = this.lastSelTime = 0;
|
| - this.lastOp = this.lastSelOp = null;
|
| - this.lastOrigin = this.lastSelOrigin = null;
|
| - // Used by the isClean() method
|
| - this.generation = this.maxGeneration = startGen || 1;
|
| - }
|
| -
|
| - // Create a history change event from an updateDoc-style change
|
| - // object.
|
| - function historyChangeFromChange(doc, change) {
|
| - var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
|
| - attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
|
| - linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true);
|
| - return histChange;
|
| - }
|
| -
|
| - // Pop all selection events off the end of a history array. Stop at
|
| - // a change event.
|
| - function clearSelectionEvents(array) {
|
| - while (array.length) {
|
| - var last = lst(array);
|
| - if (last.ranges) array.pop();
|
| - else break;
|
| - }
|
| - }
|
| -
|
| - // Find the top change event in the history. Pop off selection
|
| - // events that are in the way.
|
| - function lastChangeEvent(hist, force) {
|
| - if (force) {
|
| - clearSelectionEvents(hist.done);
|
| - return lst(hist.done);
|
| - } else if (hist.done.length && !lst(hist.done).ranges) {
|
| - return lst(hist.done);
|
| - } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
|
| - hist.done.pop();
|
| - return lst(hist.done);
|
| - }
|
| - }
|
| -
|
| - // Register a change in the history. Merges changes that are within
|
| - // a single operation, ore are close together with an origin that
|
| - // allows merging (starting with "+") into a single event.
|
| - function addChangeToHistory(doc, change, selAfter, opId) {
|
| - var hist = doc.history;
|
| - hist.undone.length = 0;
|
| - var time = +new Date, cur;
|
| -
|
| - if ((hist.lastOp == opId ||
|
| - hist.lastOrigin == change.origin && change.origin &&
|
| - ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
|
| - change.origin.charAt(0) == "*")) &&
|
| - (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
|
| - // Merge this change into the last event
|
| - var last = lst(cur.changes);
|
| - if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
|
| - // Optimized case for simple insertion -- don't want to add
|
| - // new changesets for every character typed
|
| - last.to = changeEnd(change);
|
| + if (range.from.line != null) {
|
| + resolveScrollToPos(this)
|
| + this.curOp.scrollToPos = range
|
| } else {
|
| - // Add new sub-event
|
| - cur.changes.push(historyChangeFromChange(doc, change));
|
| - }
|
| - } else {
|
| - // Can not be merged, start a new event.
|
| - var before = lst(hist.done);
|
| - if (!before || !before.ranges)
|
| - pushSelectionToHistory(doc.sel, hist.done);
|
| - cur = {changes: [historyChangeFromChange(doc, change)],
|
| - generation: hist.generation};
|
| - hist.done.push(cur);
|
| - while (hist.done.length > hist.undoDepth) {
|
| - hist.done.shift();
|
| - if (!hist.done[0].ranges) hist.done.shift();
|
| - }
|
| - }
|
| - hist.done.push(selAfter);
|
| - hist.generation = ++hist.maxGeneration;
|
| - hist.lastModTime = hist.lastSelTime = time;
|
| - hist.lastOp = hist.lastSelOp = opId;
|
| - hist.lastOrigin = hist.lastSelOrigin = change.origin;
|
| -
|
| - if (!last) signal(doc, "historyAdded");
|
| - }
|
| -
|
| - function selectionEventCanBeMerged(doc, origin, prev, sel) {
|
| - var ch = origin.charAt(0);
|
| - return ch == "*" ||
|
| - ch == "+" &&
|
| - prev.ranges.length == sel.ranges.length &&
|
| - prev.somethingSelected() == sel.somethingSelected() &&
|
| - new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500);
|
| - }
|
| -
|
| - // Called whenever the selection changes, sets the new selection as
|
| - // the pending selection in the history, and pushes the old pending
|
| - // selection into the 'done' array when it was significantly
|
| - // different (in number of selected ranges, emptiness, or time).
|
| - function addSelectionToHistory(doc, sel, opId, options) {
|
| - var hist = doc.history, origin = options && options.origin;
|
| -
|
| - // A new event is started when the previous origin does not match
|
| - // the current, or the origins don't allow matching. Origins
|
| - // starting with * are always merged, those starting with + are
|
| - // merged when similar and close together in time.
|
| - if (opId == hist.lastSelOp ||
|
| - (origin && hist.lastSelOrigin == origin &&
|
| - (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
|
| - selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
|
| - hist.done[hist.done.length - 1] = sel;
|
| - else
|
| - pushSelectionToHistory(sel, hist.done);
|
| -
|
| - hist.lastSelTime = +new Date;
|
| - hist.lastSelOrigin = origin;
|
| - hist.lastSelOp = opId;
|
| - if (options && options.clearRedo !== false)
|
| - clearSelectionEvents(hist.undone);
|
| - }
|
| -
|
| - function pushSelectionToHistory(sel, dest) {
|
| - var top = lst(dest);
|
| - if (!(top && top.ranges && top.equals(sel)))
|
| - dest.push(sel);
|
| - }
|
| -
|
| - // Used to store marked span information in the history.
|
| - function attachLocalSpans(doc, change, from, to) {
|
| - var existing = change["spans_" + doc.id], n = 0;
|
| - doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) {
|
| - if (line.markedSpans)
|
| - (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans;
|
| - ++n;
|
| - });
|
| - }
|
| -
|
| - // When un/re-doing restores text containing marked spans, those
|
| - // that have been explicitly cleared should not be restored.
|
| - function removeClearedSpans(spans) {
|
| - if (!spans) return null;
|
| - for (var i = 0, out; i < spans.length; ++i) {
|
| - if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); }
|
| - else if (out) out.push(spans[i]);
|
| - }
|
| - return !out ? spans : out.length ? out : null;
|
| - }
|
| -
|
| - // Retrieve and filter the old marked spans stored in a change event.
|
| - function getOldSpans(doc, change) {
|
| - var found = change["spans_" + doc.id];
|
| - if (!found) return null;
|
| - for (var i = 0, nw = []; i < change.text.length; ++i)
|
| - nw.push(removeClearedSpans(found[i]));
|
| - return nw;
|
| - }
|
| -
|
| - // Used both to provide a JSON-safe object in .getHistory, and, when
|
| - // detaching a document, to split the history in two
|
| - function copyHistoryArray(events, newGroup, instantiateSel) {
|
| - for (var i = 0, copy = []; i < events.length; ++i) {
|
| - var event = events[i];
|
| - if (event.ranges) {
|
| - copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
|
| - continue;
|
| - }
|
| - var changes = event.changes, newChanges = [];
|
| - copy.push({changes: newChanges});
|
| - for (var j = 0; j < changes.length; ++j) {
|
| - var change = changes[j], m;
|
| - newChanges.push({from: change.from, to: change.to, text: change.text});
|
| - if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) {
|
| - if (indexOf(newGroup, Number(m[1])) > -1) {
|
| - lst(newChanges)[prop] = change[prop];
|
| - delete change[prop];
|
| - }
|
| - }
|
| - }
|
| - }
|
| - return copy;
|
| - }
|
| -
|
| - // Rebasing/resetting history to deal with externally-sourced changes
|
| -
|
| - function rebaseHistSelSingle(pos, from, to, diff) {
|
| - if (to < pos.line) {
|
| - pos.line += diff;
|
| - } else if (from < pos.line) {
|
| - pos.line = from;
|
| - pos.ch = 0;
|
| - }
|
| - }
|
| -
|
| - // Tries to rebase an array of history events given a change in the
|
| - // document. If the change touches the same lines as the event, the
|
| - // event, and everything 'behind' it, is discarded. If the change is
|
| - // before the event, the event's positions are updated. Uses a
|
| - // copy-on-write scheme for the positions, to avoid having to
|
| - // reallocate them all on every rebase, but also avoid problems with
|
| - // shared position objects being unsafely updated.
|
| - function rebaseHistArray(array, from, to, diff) {
|
| - for (var i = 0; i < array.length; ++i) {
|
| - var sub = array[i], ok = true;
|
| - if (sub.ranges) {
|
| - if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
|
| - for (var j = 0; j < sub.ranges.length; j++) {
|
| - rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
|
| - rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
|
| - }
|
| - continue;
|
| + var sPos = calculateScrollPos(this, {
|
| + left: Math.min(range.from.left, range.to.left),
|
| + top: Math.min(range.from.top, range.to.top) - range.margin,
|
| + right: Math.max(range.from.right, range.to.right),
|
| + bottom: Math.max(range.from.bottom, range.to.bottom) + range.margin
|
| + })
|
| + this.scrollTo(sPos.scrollLeft, sPos.scrollTop)
|
| }
|
| - for (var j = 0; j < sub.changes.length; ++j) {
|
| - var cur = sub.changes[j];
|
| - if (to < cur.from.line) {
|
| - cur.from = Pos(cur.from.line + diff, cur.from.ch);
|
| - cur.to = Pos(cur.to.line + diff, cur.to.ch);
|
| - } else if (from <= cur.to.line) {
|
| - ok = false;
|
| - break;
|
| - }
|
| - }
|
| - if (!ok) {
|
| - array.splice(0, i + 1);
|
| - i = 0;
|
| - }
|
| - }
|
| - }
|
| + }),
|
|
|
| - function rebaseHist(hist, change) {
|
| - var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
|
| - rebaseHistArray(hist.done, from, to, diff);
|
| - rebaseHistArray(hist.undone, from, to, diff);
|
| - }
|
| + setSize: methodOp(function(width, height) {
|
| + var this$1 = this;
|
| +
|
| + var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; }
|
| + if (width != null) { this.display.wrapper.style.width = interpret(width) }
|
| + if (height != null) { this.display.wrapper.style.height = interpret(height) }
|
| + if (this.options.lineWrapping) { clearLineMeasurementCache(this) }
|
| + var lineNo = this.display.viewFrom
|
| + this.doc.iter(lineNo, this.display.viewTo, function (line) {
|
| + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)
|
| + { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo, "widget"); break } } }
|
| + ++lineNo
|
| + })
|
| + this.curOp.forceUpdate = true
|
| + signal(this, "refresh", this)
|
| + }),
|
|
|
| - // EVENT UTILITIES
|
| + operation: function(f){return runInOp(this, f)},
|
|
|
| - // Due to the fact that we still support jurassic IE versions, some
|
| - // compatibility wrappers are needed.
|
| + refresh: methodOp(function() {
|
| + var oldHeight = this.display.cachedTextHeight
|
| + regChange(this)
|
| + this.curOp.forceUpdate = true
|
| + clearCaches(this)
|
| + this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop)
|
| + updateGutterSpace(this)
|
| + if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
|
| + { estimateLineHeights(this) }
|
| + signal(this, "refresh", this)
|
| + }),
|
|
|
| - var e_preventDefault = CodeMirror.e_preventDefault = function(e) {
|
| - if (e.preventDefault) e.preventDefault();
|
| - else e.returnValue = false;
|
| - };
|
| - var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) {
|
| - if (e.stopPropagation) e.stopPropagation();
|
| - else e.cancelBubble = true;
|
| - };
|
| - function e_defaultPrevented(e) {
|
| - return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false;
|
| - }
|
| - var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);};
|
| + swapDoc: methodOp(function(doc) {
|
| + var old = this.doc
|
| + old.cm = null
|
| + attachDoc(this, doc)
|
| + clearCaches(this)
|
| + this.display.input.reset()
|
| + this.scrollTo(doc.scrollLeft, doc.scrollTop)
|
| + this.curOp.forceScroll = true
|
| + signalLater(this, "swapDoc", this, old)
|
| + return old
|
| + }),
|
|
|
| - function e_target(e) {return e.target || e.srcElement;}
|
| - function e_button(e) {
|
| - var b = e.which;
|
| - if (b == null) {
|
| - if (e.button & 1) b = 1;
|
| - else if (e.button & 2) b = 3;
|
| - else if (e.button & 4) b = 2;
|
| - }
|
| - if (mac && e.ctrlKey && b == 1) b = 3;
|
| - return b;
|
| + getInputField: function(){return this.display.input.getField()},
|
| + getWrapperElement: function(){return this.display.wrapper},
|
| + getScrollerElement: function(){return this.display.scroller},
|
| + getGutterElement: function(){return this.display.gutters}
|
| }
|
| + eventMixin(CodeMirror)
|
|
|
| - // EVENT HANDLING
|
| -
|
| - // Lightweight event framework. on/off also work on DOM nodes,
|
| - // registering native DOM handlers.
|
| -
|
| - var on = CodeMirror.on = function(emitter, type, f) {
|
| - if (emitter.addEventListener)
|
| - emitter.addEventListener(type, f, false);
|
| - else if (emitter.attachEvent)
|
| - emitter.attachEvent("on" + type, f);
|
| - else {
|
| - var map = emitter._handlers || (emitter._handlers = {});
|
| - var arr = map[type] || (map[type] = []);
|
| - arr.push(f);
|
| - }
|
| - };
|
| -
|
| - var noHandlers = []
|
| - function getHandlers(emitter, type, copy) {
|
| - var arr = emitter._handlers && emitter._handlers[type]
|
| - if (copy) return arr && arr.length > 0 ? arr.slice() : noHandlers
|
| - else return arr || noHandlers
|
| + CodeMirror.registerHelper = function(type, name, value) {
|
| + if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []} }
|
| + helpers[type][name] = value
|
| }
|
| -
|
| - var off = CodeMirror.off = function(emitter, type, f) {
|
| - if (emitter.removeEventListener)
|
| - emitter.removeEventListener(type, f, false);
|
| - else if (emitter.detachEvent)
|
| - emitter.detachEvent("on" + type, f);
|
| - else {
|
| - var handlers = getHandlers(emitter, type, false)
|
| - for (var i = 0; i < handlers.length; ++i)
|
| - if (handlers[i] == f) { handlers.splice(i, 1); break; }
|
| - }
|
| - };
|
| -
|
| - var signal = CodeMirror.signal = function(emitter, type /*, values...*/) {
|
| - var handlers = getHandlers(emitter, type, true)
|
| - if (!handlers.length) return;
|
| - var args = Array.prototype.slice.call(arguments, 2);
|
| - for (var i = 0; i < handlers.length; ++i) handlers[i].apply(null, args);
|
| - };
|
| -
|
| - var orphanDelayedCallbacks = null;
|
| -
|
| - // Often, we want to signal events at a point where we are in the
|
| - // middle of some work, but don't want the handler to start calling
|
| - // other methods on the editor, which might be in an inconsistent
|
| - // state or simply not expect any other events to happen.
|
| - // signalLater looks whether there are any handlers, and schedules
|
| - // them to be executed when the last operation ends, or, if no
|
| - // operation is active, when a timeout fires.
|
| - function signalLater(emitter, type /*, values...*/) {
|
| - var arr = getHandlers(emitter, type, false)
|
| - if (!arr.length) return;
|
| - var args = Array.prototype.slice.call(arguments, 2), list;
|
| - if (operationGroup) {
|
| - list = operationGroup.delayedCallbacks;
|
| - } else if (orphanDelayedCallbacks) {
|
| - list = orphanDelayedCallbacks;
|
| + CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
|
| + CodeMirror.registerHelper(type, name, value)
|
| + helpers[type]._global.push({pred: predicate, val: value})
|
| + }
|
| +}
|
| +
|
| +// Used for horizontal relative motion. Dir is -1 or 1 (left or
|
| +// right), unit can be "char", "column" (like char, but doesn't
|
| +// cross line boundaries), "word" (across next word), or "group" (to
|
| +// the start of next group of word or non-word-non-whitespace
|
| +// chars). The visually param controls whether, in right-to-left
|
| +// text, direction 1 means to move towards the next index in the
|
| +// string, or towards the character to the right of the current
|
| +// position. The resulting position will have a hitSide=true
|
| +// property if it reached the end of the document.
|
| +function findPosH(doc, pos, dir, unit, visually) {
|
| + var oldPos = pos
|
| + var origDir = dir
|
| + var lineObj = getLine(doc, pos.line)
|
| + function findNextLine() {
|
| + var l = pos.line + dir
|
| + if (l < doc.first || l >= doc.first + doc.size) { return false }
|
| + pos = new Pos(l, pos.ch, pos.sticky)
|
| + return lineObj = getLine(doc, l)
|
| + }
|
| + function moveOnce(boundToLine) {
|
| + var next
|
| + if (visually) {
|
| + next = moveVisually(doc.cm, lineObj, pos, dir)
|
| } else {
|
| - list = orphanDelayedCallbacks = [];
|
| - setTimeout(fireOrphanDelayed, 0);
|
| - }
|
| - function bnd(f) {return function(){f.apply(null, args);};};
|
| - for (var i = 0; i < arr.length; ++i)
|
| - list.push(bnd(arr[i]));
|
| - }
|
| -
|
| - function fireOrphanDelayed() {
|
| - var delayed = orphanDelayedCallbacks;
|
| - orphanDelayedCallbacks = null;
|
| - for (var i = 0; i < delayed.length; ++i) delayed[i]();
|
| - }
|
| -
|
| - // The DOM events that CodeMirror handles can be overridden by
|
| - // registering a (non-DOM) handler on the editor for the event name,
|
| - // and preventDefault-ing the event in that handler.
|
| - function signalDOMEvent(cm, e, override) {
|
| - if (typeof e == "string")
|
| - e = {type: e, preventDefault: function() { this.defaultPrevented = true; }};
|
| - signal(cm, override || e.type, cm, e);
|
| - return e_defaultPrevented(e) || e.codemirrorIgnore;
|
| - }
|
| -
|
| - function signalCursorActivity(cm) {
|
| - var arr = cm._handlers && cm._handlers.cursorActivity;
|
| - if (!arr) return;
|
| - var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
|
| - for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1)
|
| - set.push(arr[i]);
|
| - }
|
| -
|
| - function hasHandler(emitter, type) {
|
| - return getHandlers(emitter, type).length > 0
|
| - }
|
| -
|
| - // Add on and off methods to a constructor's prototype, to make
|
| - // registering events on such objects more convenient.
|
| - function eventMixin(ctor) {
|
| - ctor.prototype.on = function(type, f) {on(this, type, f);};
|
| - ctor.prototype.off = function(type, f) {off(this, type, f);};
|
| - }
|
| -
|
| - // MISC UTILITIES
|
| -
|
| - // Number of pixels added to scroller and sizer to hide scrollbar
|
| - var scrollerGap = 30;
|
| -
|
| - // Returned or thrown by various protocols to signal 'I'm not
|
| - // handling this'.
|
| - var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}};
|
| -
|
| - // Reused option objects for setSelection & friends
|
| - var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};
|
| -
|
| - function Delayed() {this.id = null;}
|
| - Delayed.prototype.set = function(ms, f) {
|
| - clearTimeout(this.id);
|
| - this.id = setTimeout(f, ms);
|
| - };
|
| -
|
| - // Counts the column offset in a string, taking tabs into account.
|
| - // Used mostly to find indentation.
|
| - var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) {
|
| - if (end == null) {
|
| - end = string.search(/[^\s\u00a0]/);
|
| - if (end == -1) end = string.length;
|
| - }
|
| - for (var i = startIndex || 0, n = startValue || 0;;) {
|
| - var nextTab = string.indexOf("\t", i);
|
| - if (nextTab < 0 || nextTab >= end)
|
| - return n + (end - i);
|
| - n += nextTab - i;
|
| - n += tabSize - (n % tabSize);
|
| - i = nextTab + 1;
|
| + next = moveLogically(lineObj, pos, dir)
|
| }
|
| - };
|
| -
|
| - // The inverse of countColumn -- find the offset that corresponds to
|
| - // a particular column.
|
| - var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) {
|
| - for (var pos = 0, col = 0;;) {
|
| - var nextTab = string.indexOf("\t", pos);
|
| - if (nextTab == -1) nextTab = string.length;
|
| - var skipped = nextTab - pos;
|
| - if (nextTab == string.length || col + skipped >= goal)
|
| - return pos + Math.min(skipped, goal - col);
|
| - col += nextTab - pos;
|
| - col += tabSize - (col % tabSize);
|
| - pos = nextTab + 1;
|
| - if (col >= goal) return pos;
|
| + if (next == null) {
|
| + if (!boundToLine && findNextLine())
|
| + { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir) }
|
| + else
|
| + { return false }
|
| + } else {
|
| + pos = next
|
| }
|
| + return true
|
| }
|
|
|
| - var spaceStrs = [""];
|
| - function spaceStr(n) {
|
| - while (spaceStrs.length <= n)
|
| - spaceStrs.push(lst(spaceStrs) + " ");
|
| - return spaceStrs[n];
|
| - }
|
| -
|
| - function lst(arr) { return arr[arr.length-1]; }
|
| -
|
| - var selectInput = function(node) { node.select(); };
|
| - if (ios) // Mobile Safari apparently has a bug where select() is broken.
|
| - selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; };
|
| - else if (ie) // Suppress mysterious IE10 errors
|
| - selectInput = function(node) { try { node.select(); } catch(_e) {} };
|
| -
|
| - function indexOf(array, elt) {
|
| - for (var i = 0; i < array.length; ++i)
|
| - if (array[i] == elt) return i;
|
| - return -1;
|
| - }
|
| - function map(array, f) {
|
| - var out = [];
|
| - for (var i = 0; i < array.length; i++) out[i] = f(array[i], i);
|
| - return out;
|
| - }
|
| -
|
| - function nothing() {}
|
| -
|
| - function createObj(base, props) {
|
| - var inst;
|
| - if (Object.create) {
|
| - inst = Object.create(base);
|
| + if (unit == "char") {
|
| + moveOnce()
|
| + } else if (unit == "column") {
|
| + moveOnce(true)
|
| + } else if (unit == "word" || unit == "group") {
|
| + var sawType = null, group = unit == "group"
|
| + var helper = doc.cm && doc.cm.getHelper(pos, "wordChars")
|
| + for (var first = true;; first = false) {
|
| + if (dir < 0 && !moveOnce(!first)) { break }
|
| + var cur = lineObj.text.charAt(pos.ch) || "\n"
|
| + var type = isWordChar(cur, helper) ? "w"
|
| + : group && cur == "\n" ? "n"
|
| + : !group || /\s/.test(cur) ? null
|
| + : "p"
|
| + if (group && !first && !type) { type = "s" }
|
| + if (sawType && sawType != type) {
|
| + if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after"}
|
| + break
|
| + }
|
| +
|
| + if (type) { sawType = type }
|
| + if (dir > 0 && !moveOnce(!first)) { break }
|
| + }
|
| + }
|
| + var result = skipAtomic(doc, pos, oldPos, origDir, true)
|
| + if (equalCursorPos(oldPos, result)) { result.hitSide = true }
|
| + return result
|
| +}
|
| +
|
| +// For relative vertical movement. Dir may be -1 or 1. Unit can be
|
| +// "page" or "line". The resulting position will have a hitSide=true
|
| +// property if it reached the end of the document.
|
| +function findPosV(cm, pos, dir, unit) {
|
| + var doc = cm.doc, x = pos.left, y
|
| + if (unit == "page") {
|
| + var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight)
|
| + var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3)
|
| + y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount
|
| +
|
| + } else if (unit == "line") {
|
| + y = dir > 0 ? pos.bottom + 3 : pos.top - 3
|
| + }
|
| + var target
|
| + for (;;) {
|
| + target = coordsChar(cm, x, y)
|
| + if (!target.outside) { break }
|
| + if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }
|
| + y += dir * 5
|
| + }
|
| + return target
|
| +}
|
| +
|
| +// CONTENTEDITABLE INPUT STYLE
|
| +
|
| +var ContentEditableInput = function ContentEditableInput(cm) {
|
| + this.cm = cm
|
| + this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null
|
| + this.polling = new Delayed()
|
| + this.composing = null
|
| + this.gracePeriod = false
|
| + this.readDOMTimeout = null
|
| +};
|
| +
|
| +ContentEditableInput.prototype.init = function init (display) {
|
| + var this$1 = this;
|
| +
|
| + var input = this, cm = input.cm
|
| + var div = input.div = display.lineDiv
|
| + disableBrowserMagic(div, cm.options.spellcheck)
|
| +
|
| + on(div, "paste", function (e) {
|
| + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
|
| + // IE doesn't fire input events, so we schedule a read for the pasted content in this way
|
| + if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20) }
|
| + })
|
| +
|
| + on(div, "compositionstart", function (e) {
|
| + this$1.composing = {data: e.data, done: false}
|
| + })
|
| + on(div, "compositionupdate", function (e) {
|
| + if (!this$1.composing) { this$1.composing = {data: e.data, done: false} }
|
| + })
|
| + on(div, "compositionend", function (e) {
|
| + if (this$1.composing) {
|
| + if (e.data != this$1.composing.data) { this$1.readFromDOMSoon() }
|
| + this$1.composing.done = true
|
| + }
|
| + })
|
| +
|
| + on(div, "touchstart", function () { return input.forceCompositionEnd(); })
|
| +
|
| + on(div, "input", function () {
|
| + if (!this$1.composing) { this$1.readFromDOMSoon() }
|
| + })
|
| +
|
| + function onCopyCut(e) {
|
| + if (signalDOMEvent(cm, e)) { return }
|
| + if (cm.somethingSelected()) {
|
| + setLastCopied({lineWise: false, text: cm.getSelections()})
|
| + if (e.type == "cut") { cm.replaceSelection("", null, "cut") }
|
| + } else if (!cm.options.lineWiseCopyCut) {
|
| + return
|
| } else {
|
| - nothing.prototype = base;
|
| - inst = new nothing();
|
| + var ranges = copyableRanges(cm)
|
| + setLastCopied({lineWise: true, text: ranges.text})
|
| + if (e.type == "cut") {
|
| + cm.operation(function () {
|
| + cm.setSelections(ranges.ranges, 0, sel_dontScroll)
|
| + cm.replaceSelection("", null, "cut")
|
| + })
|
| + }
|
| + }
|
| + if (e.clipboardData) {
|
| + e.clipboardData.clearData()
|
| + var content = lastCopied.text.join("\n")
|
| + // iOS exposes the clipboard API, but seems to discard content inserted into it
|
| + e.clipboardData.setData("Text", content)
|
| + if (e.clipboardData.getData("Text") == content) {
|
| + e.preventDefault()
|
| + return
|
| + }
|
| + }
|
| + // Old-fashioned briefly-focus-a-textarea hack
|
| + var kludge = hiddenTextarea(), te = kludge.firstChild
|
| + cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild)
|
| + te.value = lastCopied.text.join("\n")
|
| + var hadFocus = document.activeElement
|
| + selectInput(te)
|
| + setTimeout(function () {
|
| + cm.display.lineSpace.removeChild(kludge)
|
| + hadFocus.focus()
|
| + if (hadFocus == div) { input.showPrimarySelection() }
|
| + }, 50)
|
| + }
|
| + on(div, "copy", onCopyCut)
|
| + on(div, "cut", onCopyCut)
|
| +};
|
| +
|
| +ContentEditableInput.prototype.prepareSelection = function prepareSelection$1 () {
|
| + var result = prepareSelection(this.cm, false)
|
| + result.focus = this.cm.state.focused
|
| + return result
|
| +};
|
| +
|
| +ContentEditableInput.prototype.showSelection = function showSelection (info, takeFocus) {
|
| + if (!info || !this.cm.display.view.length) { return }
|
| + if (info.focus || takeFocus) { this.showPrimarySelection() }
|
| + this.showMultipleSelections(info)
|
| +};
|
| +
|
| +ContentEditableInput.prototype.showPrimarySelection = function showPrimarySelection () {
|
| + var sel = window.getSelection(), prim = this.cm.doc.sel.primary()
|
| + var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset)
|
| + var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset)
|
| + if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
|
| + cmp(minPos(curAnchor, curFocus), prim.from()) == 0 &&
|
| + cmp(maxPos(curAnchor, curFocus), prim.to()) == 0)
|
| + { return }
|
| +
|
| + var start = posToDOM(this.cm, prim.from())
|
| + var end = posToDOM(this.cm, prim.to())
|
| + if (!start && !end) {
|
| + sel.removeAllRanges()
|
| + return
|
| + }
|
| +
|
| + var view = this.cm.display.view
|
| + var old = sel.rangeCount && sel.getRangeAt(0)
|
| + if (!start) {
|
| + start = {node: view[0].measure.map[2], offset: 0}
|
| + } else if (!end) { // FIXME dangerously hacky
|
| + var measure = view[view.length - 1].measure
|
| + var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map
|
| + end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}
|
| + }
|
| +
|
| + var rng
|
| + try { rng = range(start.node, start.offset, end.offset, end.node) }
|
| + catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
|
| + if (rng) {
|
| + if (!gecko && this.cm.state.focused) {
|
| + sel.collapse(start.node, start.offset)
|
| + if (!rng.collapsed) {
|
| + sel.removeAllRanges()
|
| + sel.addRange(rng)
|
| + }
|
| + } else {
|
| + sel.removeAllRanges()
|
| + sel.addRange(rng)
|
| + }
|
| + if (old && sel.anchorNode == null) { sel.addRange(old) }
|
| + else if (gecko) { this.startGracePeriod() }
|
| + }
|
| + this.rememberSelection()
|
| +};
|
| +
|
| +ContentEditableInput.prototype.startGracePeriod = function startGracePeriod () {
|
| + var this$1 = this;
|
| +
|
| + clearTimeout(this.gracePeriod)
|
| + this.gracePeriod = setTimeout(function () {
|
| + this$1.gracePeriod = false
|
| + if (this$1.selectionChanged())
|
| + { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }) }
|
| + }, 20)
|
| +};
|
| +
|
| +ContentEditableInput.prototype.showMultipleSelections = function showMultipleSelections (info) {
|
| + removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors)
|
| + removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection)
|
| +};
|
| +
|
| +ContentEditableInput.prototype.rememberSelection = function rememberSelection () {
|
| + var sel = window.getSelection()
|
| + this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset
|
| + this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset
|
| +};
|
| +
|
| +ContentEditableInput.prototype.selectionInEditor = function selectionInEditor () {
|
| + var sel = window.getSelection()
|
| + if (!sel.rangeCount) { return false }
|
| + var node = sel.getRangeAt(0).commonAncestorContainer
|
| + return contains(this.div, node)
|
| +};
|
| +
|
| +ContentEditableInput.prototype.focus = function focus () {
|
| + if (this.cm.options.readOnly != "nocursor") {
|
| + if (!this.selectionInEditor())
|
| + { this.showSelection(this.prepareSelection(), true) }
|
| + this.div.focus()
|
| + }
|
| +};
|
| +ContentEditableInput.prototype.blur = function blur () { this.div.blur() };
|
| +ContentEditableInput.prototype.getField = function getField () { return this.div };
|
| +
|
| +ContentEditableInput.prototype.supportsTouch = function supportsTouch () { return true };
|
| +
|
| +ContentEditableInput.prototype.receivedFocus = function receivedFocus () {
|
| + var input = this
|
| + if (this.selectionInEditor())
|
| + { this.pollSelection() }
|
| + else
|
| + { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }) }
|
| +
|
| + function poll() {
|
| + if (input.cm.state.focused) {
|
| + input.pollSelection()
|
| + input.polling.set(input.cm.options.pollInterval, poll)
|
| + }
|
| + }
|
| + this.polling.set(this.cm.options.pollInterval, poll)
|
| +};
|
| +
|
| +ContentEditableInput.prototype.selectionChanged = function selectionChanged () {
|
| + var sel = window.getSelection()
|
| + return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
|
| + sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset
|
| +};
|
| +
|
| +ContentEditableInput.prototype.pollSelection = function pollSelection () {
|
| + if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }
|
| + var sel = window.getSelection(), cm = this.cm
|
| + // On Android Chrome (version 56, at least), backspacing into an
|
| + // uneditable block element will put the cursor in that element,
|
| + // and then, because it's not editable, hide the virtual keyboard.
|
| + // Because Android doesn't allow us to actually detect backspace
|
| + // presses in a sane way, this code checks for when that happens
|
| + // and simulates a backspace press in this case.
|
| + if (android && chrome && this.cm.options.gutters.length && isInGutter(sel.anchorNode)) {
|
| + this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs})
|
| + this.blur()
|
| + this.focus()
|
| + return
|
| + }
|
| + if (this.composing) { return }
|
| + this.rememberSelection()
|
| + var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset)
|
| + var head = domToPos(cm, sel.focusNode, sel.focusOffset)
|
| + if (anchor && head) { runInOp(cm, function () {
|
| + setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll)
|
| + if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true }
|
| + }) }
|
| +};
|
| +
|
| +ContentEditableInput.prototype.pollContent = function pollContent () {
|
| + if (this.readDOMTimeout != null) {
|
| + clearTimeout(this.readDOMTimeout)
|
| + this.readDOMTimeout = null
|
| + }
|
| +
|
| + var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary()
|
| + var from = sel.from(), to = sel.to()
|
| + if (from.ch == 0 && from.line > cm.firstLine())
|
| + { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length) }
|
| + if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())
|
| + { to = Pos(to.line + 1, 0) }
|
| + if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }
|
| +
|
| + var fromIndex, fromLine, fromNode
|
| + if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
|
| + fromLine = lineNo(display.view[0].line)
|
| + fromNode = display.view[0].node
|
| + } else {
|
| + fromLine = lineNo(display.view[fromIndex].line)
|
| + fromNode = display.view[fromIndex - 1].node.nextSibling
|
| + }
|
| + var toIndex = findViewIndex(cm, to.line)
|
| + var toLine, toNode
|
| + if (toIndex == display.view.length - 1) {
|
| + toLine = display.viewTo - 1
|
| + toNode = display.lineDiv.lastChild
|
| + } else {
|
| + toLine = lineNo(display.view[toIndex + 1].line) - 1
|
| + toNode = display.view[toIndex + 1].node.previousSibling
|
| + }
|
| +
|
| + if (!fromNode) { return false }
|
| + var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine))
|
| + var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length))
|
| + while (newText.length > 1 && oldText.length > 1) {
|
| + if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine-- }
|
| + else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++ }
|
| + else { break }
|
| + }
|
| +
|
| + var cutFront = 0, cutEnd = 0
|
| + var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length)
|
| + while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
|
| + { ++cutFront }
|
| + var newBot = lst(newText), oldBot = lst(oldText)
|
| + var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
|
| + oldBot.length - (oldText.length == 1 ? cutFront : 0))
|
| + while (cutEnd < maxCutEnd &&
|
| + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
|
| + { ++cutEnd }
|
| + // Try to move start of change to start of selection if ambiguous
|
| + if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {
|
| + while (cutFront && cutFront > from.ch &&
|
| + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {
|
| + cutFront--
|
| + cutEnd++
|
| + }
|
| + }
|
| +
|
| + newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "")
|
| + newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "")
|
| +
|
| + var chFrom = Pos(fromLine, cutFront)
|
| + var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0)
|
| + if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
|
| + replaceRange(cm.doc, newText, chFrom, chTo, "+input")
|
| + return true
|
| + }
|
| +};
|
| +
|
| +ContentEditableInput.prototype.ensurePolled = function ensurePolled () {
|
| + this.forceCompositionEnd()
|
| +};
|
| +ContentEditableInput.prototype.reset = function reset () {
|
| + this.forceCompositionEnd()
|
| +};
|
| +ContentEditableInput.prototype.forceCompositionEnd = function forceCompositionEnd () {
|
| + if (!this.composing) { return }
|
| + clearTimeout(this.readDOMTimeout)
|
| + this.composing = null
|
| + this.updateFromDOM()
|
| + this.div.blur()
|
| + this.div.focus()
|
| +};
|
| +ContentEditableInput.prototype.readFromDOMSoon = function readFromDOMSoon () {
|
| + var this$1 = this;
|
| +
|
| + if (this.readDOMTimeout != null) { return }
|
| + this.readDOMTimeout = setTimeout(function () {
|
| + this$1.readDOMTimeout = null
|
| + if (this$1.composing) {
|
| + if (this$1.composing.done) { this$1.composing = null }
|
| + else { return }
|
| + }
|
| + this$1.updateFromDOM()
|
| + }, 80)
|
| +};
|
| +
|
| +ContentEditableInput.prototype.updateFromDOM = function updateFromDOM () {
|
| + var this$1 = this;
|
| +
|
| + if (this.cm.isReadOnly() || !this.pollContent())
|
| + { runInOp(this.cm, function () { return regChange(this$1.cm); }) }
|
| +};
|
| +
|
| +ContentEditableInput.prototype.setUneditable = function setUneditable (node) {
|
| + node.contentEditable = "false"
|
| +};
|
| +
|
| +ContentEditableInput.prototype.onKeyPress = function onKeyPress (e) {
|
| + if (e.charCode == 0) { return }
|
| + e.preventDefault()
|
| + if (!this.cm.isReadOnly())
|
| + { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0) }
|
| +};
|
| +
|
| +ContentEditableInput.prototype.readOnlyChanged = function readOnlyChanged (val) {
|
| + this.div.contentEditable = String(val != "nocursor")
|
| +};
|
| +
|
| +ContentEditableInput.prototype.onContextMenu = function onContextMenu () {};
|
| +ContentEditableInput.prototype.resetPosition = function resetPosition () {};
|
| +
|
| +ContentEditableInput.prototype.needsContentAttribute = true
|
| +
|
| +function posToDOM(cm, pos) {
|
| + var view = findViewForLine(cm, pos.line)
|
| + if (!view || view.hidden) { return null }
|
| + var line = getLine(cm.doc, pos.line)
|
| + var info = mapFromLineView(view, line, pos.line)
|
| +
|
| + var order = getOrder(line, cm.doc.direction), side = "left"
|
| + if (order) {
|
| + var partPos = getBidiPartAt(order, pos.ch)
|
| + side = partPos % 2 ? "right" : "left"
|
| + }
|
| + var result = nodeAndOffsetInLineMap(info.map, pos.ch, side)
|
| + result.offset = result.collapse == "right" ? result.end : result.start
|
| + return result
|
| +}
|
| +
|
| +function isInGutter(node) {
|
| + for (var scan = node; scan; scan = scan.parentNode)
|
| + { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }
|
| + return false
|
| +}
|
| +
|
| +function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }
|
| +
|
| +function domTextBetween(cm, from, to, fromLine, toLine) {
|
| + var text = "", closing = false, lineSep = cm.doc.lineSeparator()
|
| + function recognizeMarker(id) { return function (marker) { return marker.id == id; } }
|
| + function close() {
|
| + if (closing) {
|
| + text += lineSep
|
| + closing = false
|
| + }
|
| + }
|
| + function addText(str) {
|
| + if (str) {
|
| + close()
|
| + text += str
|
| + }
|
| + }
|
| + function walk(node) {
|
| + if (node.nodeType == 1) {
|
| + var cmText = node.getAttribute("cm-text")
|
| + if (cmText != null) {
|
| + addText(cmText || node.textContent.replace(/\u200b/g, ""))
|
| + return
|
| + }
|
| + var markerID = node.getAttribute("cm-marker"), range
|
| + if (markerID) {
|
| + var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID))
|
| + if (found.length && (range = found[0].find()))
|
| + { addText(getBetween(cm.doc, range.from, range.to).join(lineSep)) }
|
| + return
|
| + }
|
| + if (node.getAttribute("contenteditable") == "false") { return }
|
| + var isBlock = /^(pre|div|p)$/i.test(node.nodeName)
|
| + if (isBlock) { close() }
|
| + for (var i = 0; i < node.childNodes.length; i++)
|
| + { walk(node.childNodes[i]) }
|
| + if (isBlock) { closing = true }
|
| + } else if (node.nodeType == 3) {
|
| + addText(node.nodeValue)
|
| + }
|
| + }
|
| + for (;;) {
|
| + walk(from)
|
| + if (from == to) { break }
|
| + from = from.nextSibling
|
| + }
|
| + return text
|
| +}
|
| +
|
| +function domToPos(cm, node, offset) {
|
| + var lineNode
|
| + if (node == cm.display.lineDiv) {
|
| + lineNode = cm.display.lineDiv.childNodes[offset]
|
| + if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }
|
| + node = null; offset = 0
|
| + } else {
|
| + for (lineNode = node;; lineNode = lineNode.parentNode) {
|
| + if (!lineNode || lineNode == cm.display.lineDiv) { return null }
|
| + if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }
|
| + }
|
| + }
|
| + for (var i = 0; i < cm.display.view.length; i++) {
|
| + var lineView = cm.display.view[i]
|
| + if (lineView.node == lineNode)
|
| + { return locateNodeInLineView(lineView, node, offset) }
|
| + }
|
| +}
|
| +
|
| +function locateNodeInLineView(lineView, node, offset) {
|
| + var wrapper = lineView.text.firstChild, bad = false
|
| + if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }
|
| + if (node == wrapper) {
|
| + bad = true
|
| + node = wrapper.childNodes[offset]
|
| + offset = 0
|
| + if (!node) {
|
| + var line = lineView.rest ? lst(lineView.rest) : lineView.line
|
| + return badPos(Pos(lineNo(line), line.text.length), bad)
|
| + }
|
| + }
|
| +
|
| + var textNode = node.nodeType == 3 ? node : null, topNode = node
|
| + if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
|
| + textNode = node.firstChild
|
| + if (offset) { offset = textNode.nodeValue.length }
|
| + }
|
| + while (topNode.parentNode != wrapper) { topNode = topNode.parentNode }
|
| + var measure = lineView.measure, maps = measure.maps
|
| +
|
| + function find(textNode, topNode, offset) {
|
| + for (var i = -1; i < (maps ? maps.length : 0); i++) {
|
| + var map = i < 0 ? measure.map : maps[i]
|
| + for (var j = 0; j < map.length; j += 3) {
|
| + var curNode = map[j + 2]
|
| + if (curNode == textNode || curNode == topNode) {
|
| + var line = lineNo(i < 0 ? lineView.line : lineView.rest[i])
|
| + var ch = map[j] + offset
|
| + if (offset < 0 || curNode != textNode) { ch = map[j + (offset ? 1 : 0)] }
|
| + return Pos(line, ch)
|
| + }
|
| + }
|
| }
|
| - if (props) copyObj(props, inst);
|
| - return inst;
|
| - };
|
| -
|
| - function copyObj(obj, target, overwrite) {
|
| - if (!target) target = {};
|
| - for (var prop in obj)
|
| - if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
|
| - target[prop] = obj[prop];
|
| - return target;
|
| - }
|
| -
|
| - function bind(f) {
|
| - var args = Array.prototype.slice.call(arguments, 1);
|
| - return function(){return f.apply(null, args);};
|
| - }
|
| -
|
| - var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
|
| - var isWordCharBasic = CodeMirror.isWordChar = function(ch) {
|
| - return /\w/.test(ch) || ch > "\x80" &&
|
| - (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch));
|
| - };
|
| - function isWordChar(ch, helper) {
|
| - if (!helper) return isWordCharBasic(ch);
|
| - if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true;
|
| - return helper.test(ch);
|
| - }
|
| -
|
| - function isEmpty(obj) {
|
| - for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false;
|
| - return true;
|
| - }
|
| -
|
| - // Extending unicode characters. A series of a non-extending char +
|
| - // any number of extending chars is treated as a single unit as far
|
| - // as editing and measuring is concerned. This is not fully correct,
|
| - // since some scripts/fonts/browsers also treat other configurations
|
| - // of code points as a group.
|
| - var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
|
| - function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); }
|
| -
|
| - // DOM UTILITIES
|
| -
|
| - function elt(tag, content, className, style) {
|
| - var e = document.createElement(tag);
|
| - if (className) e.className = className;
|
| - if (style) e.style.cssText = style;
|
| - if (typeof content == "string") e.appendChild(document.createTextNode(content));
|
| - else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]);
|
| - return e;
|
| - }
|
| -
|
| - var range;
|
| - if (document.createRange) range = function(node, start, end, endNode) {
|
| - var r = document.createRange();
|
| - r.setEnd(endNode || node, end);
|
| - r.setStart(node, start);
|
| - return r;
|
| - };
|
| - else range = function(node, start, end) {
|
| - var r = document.body.createTextRange();
|
| - try { r.moveToElementText(node.parentNode); }
|
| - catch(e) { return r; }
|
| - r.collapse(true);
|
| - r.moveEnd("character", end);
|
| - r.moveStart("character", start);
|
| - return r;
|
| - };
|
| -
|
| - function removeChildren(e) {
|
| - for (var count = e.childNodes.length; count > 0; --count)
|
| - e.removeChild(e.firstChild);
|
| - return e;
|
| }
|
| + var found = find(textNode, topNode, offset)
|
| + if (found) { return badPos(found, bad) }
|
|
|
| - function removeChildrenAndAdd(parent, e) {
|
| - return removeChildren(parent).appendChild(e);
|
| + // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
|
| + for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
|
| + found = find(after, after.firstChild, 0)
|
| + if (found)
|
| + { return badPos(Pos(found.line, found.ch - dist), bad) }
|
| + else
|
| + { dist += after.textContent.length }
|
| }
|
| -
|
| - var contains = CodeMirror.contains = function(parent, child) {
|
| - if (child.nodeType == 3) // Android browser always returns false when child is a textnode
|
| - child = child.parentNode;
|
| - if (parent.contains)
|
| - return parent.contains(child);
|
| - do {
|
| - if (child.nodeType == 11) child = child.host;
|
| - if (child == parent) return true;
|
| - } while (child = child.parentNode);
|
| - };
|
| -
|
| - function activeElt() {
|
| - var activeElement = document.activeElement;
|
| - while (activeElement && activeElement.root && activeElement.root.activeElement)
|
| - activeElement = activeElement.root.activeElement;
|
| - return activeElement;
|
| - }
|
| - // Older versions of IE throws unspecified error when touching
|
| - // document.activeElement in some cases (during loading, in iframe)
|
| - if (ie && ie_version < 11) activeElt = function() {
|
| - try { return document.activeElement; }
|
| - catch(e) { return document.body; }
|
| - };
|
| -
|
| - function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); }
|
| - var rmClass = CodeMirror.rmClass = function(node, cls) {
|
| - var current = node.className;
|
| - var match = classTest(cls).exec(current);
|
| - if (match) {
|
| - var after = current.slice(match.index + match[0].length);
|
| - node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
|
| - }
|
| - };
|
| - var addClass = CodeMirror.addClass = function(node, cls) {
|
| - var current = node.className;
|
| - if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls;
|
| - };
|
| - function joinClasses(a, b) {
|
| - var as = a.split(" ");
|
| - for (var i = 0; i < as.length; i++)
|
| - if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i];
|
| - return b;
|
| - }
|
| -
|
| - // WINDOW-WIDE EVENTS
|
| -
|
| - // These must be handled carefully, because naively registering a
|
| - // handler for each editor will cause the editors to never be
|
| - // garbage collected.
|
| -
|
| - function forEachCodeMirror(f) {
|
| - if (!document.body.getElementsByClassName) return;
|
| - var byClass = document.body.getElementsByClassName("CodeMirror");
|
| - for (var i = 0; i < byClass.length; i++) {
|
| - var cm = byClass[i].CodeMirror;
|
| - if (cm) f(cm);
|
| - }
|
| - }
|
| -
|
| - var globalsRegistered = false;
|
| - function ensureGlobalHandlers() {
|
| - if (globalsRegistered) return;
|
| - registerGlobalHandlers();
|
| - globalsRegistered = true;
|
| - }
|
| - function registerGlobalHandlers() {
|
| - // When the window resizes, we need to refresh active editors.
|
| - var resizeTimer;
|
| - on(window, "resize", function() {
|
| - if (resizeTimer == null) resizeTimer = setTimeout(function() {
|
| - resizeTimer = null;
|
| - forEachCodeMirror(onResize);
|
| - }, 100);
|
| - });
|
| - // When the window loses focus, we want to show the editor as blurred
|
| - on(window, "blur", function() {
|
| - forEachCodeMirror(onBlur);
|
| - });
|
| - }
|
| -
|
| - // FEATURE DETECTION
|
| -
|
| - // Detect drag-and-drop
|
| - var dragAndDrop = function() {
|
| - // There is *some* kind of drag-and-drop support in IE6-8, but I
|
| - // couldn't get it to work yet.
|
| - if (ie && ie_version < 9) return false;
|
| - var div = elt('div');
|
| - return "draggable" in div || "dragDrop" in div;
|
| - }();
|
| -
|
| - var zwspSupported;
|
| - function zeroWidthElement(measure) {
|
| - if (zwspSupported == null) {
|
| - var test = elt("span", "\u200b");
|
| - removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
|
| - if (measure.firstChild.offsetHeight != 0)
|
| - zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8);
|
| - }
|
| - var node = zwspSupported ? elt("span", "\u200b") :
|
| - elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
|
| - node.setAttribute("cm-text", "");
|
| - return node;
|
| - }
|
| -
|
| - // Feature-detect IE's crummy client rect reporting for bidi text
|
| - var badBidiRects;
|
| - function hasBadBidiRects(measure) {
|
| - if (badBidiRects != null) return badBidiRects;
|
| - var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
|
| - var r0 = range(txt, 0, 1).getBoundingClientRect();
|
| - var r1 = range(txt, 1, 2).getBoundingClientRect();
|
| - removeChildren(measure);
|
| - if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780)
|
| - return badBidiRects = (r1.right - r0.right < 3);
|
| - }
|
| -
|
| - // See if "".split is the broken IE version, if so, provide an
|
| - // alternative way to split lines.
|
| - var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
|
| - var pos = 0, result = [], l = string.length;
|
| - while (pos <= l) {
|
| - var nl = string.indexOf("\n", pos);
|
| - if (nl == -1) nl = string.length;
|
| - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
|
| - var rt = line.indexOf("\r");
|
| - if (rt != -1) {
|
| - result.push(line.slice(0, rt));
|
| - pos += rt + 1;
|
| + for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {
|
| + found = find(before, before.firstChild, -1)
|
| + if (found)
|
| + { return badPos(Pos(found.line, found.ch + dist$1), bad) }
|
| + else
|
| + { dist$1 += before.textContent.length }
|
| + }
|
| +}
|
| +
|
| +// TEXTAREA INPUT STYLE
|
| +
|
| +var TextareaInput = function TextareaInput(cm) {
|
| + this.cm = cm
|
| + // See input.poll and input.reset
|
| + this.prevInput = ""
|
| +
|
| + // Flag that indicates whether we expect input to appear real soon
|
| + // now (after some event like 'keypress' or 'input') and are
|
| + // polling intensively.
|
| + this.pollingFast = false
|
| + // Self-resetting timeout for the poller
|
| + this.polling = new Delayed()
|
| + // Tracks when input.reset has punted to just putting a short
|
| + // string into the textarea instead of the full selection.
|
| + this.inaccurateSelection = false
|
| + // Used to work around IE issue with selection being forgotten when focus moves away from textarea
|
| + this.hasSelection = false
|
| + this.composing = null
|
| +};
|
| +
|
| +TextareaInput.prototype.init = function init (display) {
|
| + var this$1 = this;
|
| +
|
| + var input = this, cm = this.cm
|
| +
|
| + // Wraps and hides input textarea
|
| + var div = this.wrapper = hiddenTextarea()
|
| + // The semihidden textarea that is focused when the editor is
|
| + // focused, and receives input.
|
| + var te = this.textarea = div.firstChild
|
| + display.wrapper.insertBefore(div, display.wrapper.firstChild)
|
| +
|
| + // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
|
| + if (ios) { te.style.width = "0px" }
|
| +
|
| + on(te, "input", function () {
|
| + if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null }
|
| + input.poll()
|
| + })
|
| +
|
| + on(te, "paste", function (e) {
|
| + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
|
| +
|
| + cm.state.pasteIncoming = true
|
| + input.fastPoll()
|
| + })
|
| +
|
| + function prepareCopyCut(e) {
|
| + if (signalDOMEvent(cm, e)) { return }
|
| + if (cm.somethingSelected()) {
|
| + setLastCopied({lineWise: false, text: cm.getSelections()})
|
| + if (input.inaccurateSelection) {
|
| + input.prevInput = ""
|
| + input.inaccurateSelection = false
|
| + te.value = lastCopied.text.join("\n")
|
| + selectInput(te)
|
| + }
|
| + } else if (!cm.options.lineWiseCopyCut) {
|
| + return
|
| + } else {
|
| + var ranges = copyableRanges(cm)
|
| + setLastCopied({lineWise: true, text: ranges.text})
|
| + if (e.type == "cut") {
|
| + cm.setSelections(ranges.ranges, null, sel_dontScroll)
|
| } else {
|
| - result.push(line);
|
| - pos = nl + 1;
|
| - }
|
| - }
|
| - return result;
|
| - } : function(string){return string.split(/\r\n?|\n/);};
|
| -
|
| - var hasSelection = window.getSelection ? function(te) {
|
| - try { return te.selectionStart != te.selectionEnd; }
|
| - catch(e) { return false; }
|
| - } : function(te) {
|
| - try {var range = te.ownerDocument.selection.createRange();}
|
| - catch(e) {}
|
| - if (!range || range.parentElement() != te) return false;
|
| - return range.compareEndPoints("StartToEnd", range) != 0;
|
| - };
|
| -
|
| - var hasCopyEvent = (function() {
|
| - var e = elt("div");
|
| - if ("oncopy" in e) return true;
|
| - e.setAttribute("oncopy", "return;");
|
| - return typeof e.oncopy == "function";
|
| - })();
|
| -
|
| - var badZoomedRects = null;
|
| - function hasBadZoomedRects(measure) {
|
| - if (badZoomedRects != null) return badZoomedRects;
|
| - var node = removeChildrenAndAdd(measure, elt("span", "x"));
|
| - var normal = node.getBoundingClientRect();
|
| - var fromRange = range(node, 0, 1).getBoundingClientRect();
|
| - return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1;
|
| - }
|
| -
|
| - // KEY NAMES
|
| -
|
| - var keyNames = CodeMirror.keyNames = {
|
| - 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
|
| - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
|
| - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
|
| - 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
|
| - 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete",
|
| - 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
|
| - 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
|
| - 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
|
| - };
|
| - (function() {
|
| - // Number keys
|
| - for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i);
|
| - // Alphabetic keys
|
| - for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
|
| - // Function keys
|
| - for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
|
| - })();
|
| -
|
| - // BIDI HELPERS
|
| -
|
| - function iterateBidiSections(order, from, to, f) {
|
| - if (!order) return f(from, to, "ltr");
|
| - var found = false;
|
| - for (var i = 0; i < order.length; ++i) {
|
| - var part = order[i];
|
| - if (part.from < to && part.to > from || from == to && part.to == from) {
|
| - f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr");
|
| - found = true;
|
| - }
|
| - }
|
| - if (!found) f(from, to, "ltr");
|
| - }
|
| -
|
| - function bidiLeft(part) { return part.level % 2 ? part.to : part.from; }
|
| - function bidiRight(part) { return part.level % 2 ? part.from : part.to; }
|
| -
|
| - function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; }
|
| - function lineRight(line) {
|
| - var order = getOrder(line);
|
| - if (!order) return line.text.length;
|
| - return bidiRight(lst(order));
|
| - }
|
| -
|
| - function lineStart(cm, lineN) {
|
| - var line = getLine(cm.doc, lineN);
|
| - var visual = visualLine(line);
|
| - if (visual != line) lineN = lineNo(visual);
|
| - var order = getOrder(visual);
|
| - var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual);
|
| - return Pos(lineN, ch);
|
| - }
|
| - function lineEnd(cm, lineN) {
|
| - var merged, line = getLine(cm.doc, lineN);
|
| - while (merged = collapsedSpanAtEnd(line)) {
|
| - line = merged.find(1, true).line;
|
| - lineN = null;
|
| - }
|
| - var order = getOrder(line);
|
| - var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line);
|
| - return Pos(lineN == null ? lineNo(line) : lineN, ch);
|
| - }
|
| - function lineStartSmart(cm, pos) {
|
| - var start = lineStart(cm, pos.line);
|
| - var line = getLine(cm.doc, start.line);
|
| - var order = getOrder(line);
|
| - if (!order || order[0].level == 0) {
|
| - var firstNonWS = Math.max(0, line.text.search(/\S/));
|
| - var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
|
| - return Pos(start.line, inWS ? 0 : firstNonWS);
|
| - }
|
| - return start;
|
| - }
|
| -
|
| - function compareBidiLevel(order, a, b) {
|
| - var linedir = order[0].level;
|
| - if (a == linedir) return true;
|
| - if (b == linedir) return false;
|
| - return a < b;
|
| - }
|
| - var bidiOther;
|
| - function getBidiPartAt(order, pos) {
|
| - bidiOther = null;
|
| - for (var i = 0, found; i < order.length; ++i) {
|
| - var cur = order[i];
|
| - if (cur.from < pos && cur.to > pos) return i;
|
| - if ((cur.from == pos || cur.to == pos)) {
|
| - if (found == null) {
|
| - found = i;
|
| - } else if (compareBidiLevel(order, cur.level, order[found].level)) {
|
| - if (cur.from != cur.to) bidiOther = found;
|
| - return i;
|
| + input.prevInput = ""
|
| + te.value = ranges.text.join("\n")
|
| + selectInput(te)
|
| + }
|
| + }
|
| + if (e.type == "cut") { cm.state.cutIncoming = true }
|
| + }
|
| + on(te, "cut", prepareCopyCut)
|
| + on(te, "copy", prepareCopyCut)
|
| +
|
| + on(display.scroller, "paste", function (e) {
|
| + if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }
|
| + cm.state.pasteIncoming = true
|
| + input.focus()
|
| + })
|
| +
|
| + // Prevent normal selection in the editor (we handle our own)
|
| + on(display.lineSpace, "selectstart", function (e) {
|
| + if (!eventInWidget(display, e)) { e_preventDefault(e) }
|
| + })
|
| +
|
| + on(te, "compositionstart", function () {
|
| + var start = cm.getCursor("from")
|
| + if (input.composing) { input.composing.range.clear() }
|
| + input.composing = {
|
| + start: start,
|
| + range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
|
| + }
|
| + })
|
| + on(te, "compositionend", function () {
|
| + if (input.composing) {
|
| + input.poll()
|
| + input.composing.range.clear()
|
| + input.composing = null
|
| + }
|
| + })
|
| +};
|
| +
|
| +TextareaInput.prototype.prepareSelection = function prepareSelection$1 () {
|
| + // Redraw the selection and/or cursor
|
| + var cm = this.cm, display = cm.display, doc = cm.doc
|
| + var result = prepareSelection(cm)
|
| +
|
| + // Move the hidden textarea near the cursor to prevent scrolling artifacts
|
| + if (cm.options.moveInputWithCursor) {
|
| + var headPos = cursorCoords(cm, doc.sel.primary().head, "div")
|
| + var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect()
|
| + result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
|
| + headPos.top + lineOff.top - wrapOff.top))
|
| + result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
|
| + headPos.left + lineOff.left - wrapOff.left))
|
| + }
|
| +
|
| + return result
|
| +};
|
| +
|
| +TextareaInput.prototype.showSelection = function showSelection (drawn) {
|
| + var cm = this.cm, display = cm.display
|
| + removeChildrenAndAdd(display.cursorDiv, drawn.cursors)
|
| + removeChildrenAndAdd(display.selectionDiv, drawn.selection)
|
| + if (drawn.teTop != null) {
|
| + this.wrapper.style.top = drawn.teTop + "px"
|
| + this.wrapper.style.left = drawn.teLeft + "px"
|
| + }
|
| +};
|
| +
|
| +// Reset the input to correspond to the selection (or to be empty,
|
| +// when not typing and nothing is selected)
|
| +TextareaInput.prototype.reset = function reset (typing) {
|
| + if (this.contextMenuPending) { return }
|
| + var minimal, selected, cm = this.cm, doc = cm.doc
|
| + if (cm.somethingSelected()) {
|
| + this.prevInput = ""
|
| + var range = doc.sel.primary()
|
| + minimal = hasCopyEvent &&
|
| + (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000)
|
| + var content = minimal ? "-" : selected || cm.getSelection()
|
| + this.textarea.value = content
|
| + if (cm.state.focused) { selectInput(this.textarea) }
|
| + if (ie && ie_version >= 9) { this.hasSelection = content }
|
| + } else if (!typing) {
|
| + this.prevInput = this.textarea.value = ""
|
| + if (ie && ie_version >= 9) { this.hasSelection = null }
|
| + }
|
| + this.inaccurateSelection = minimal
|
| +};
|
| +
|
| +TextareaInput.prototype.getField = function getField () { return this.textarea };
|
| +
|
| +TextareaInput.prototype.supportsTouch = function supportsTouch () { return false };
|
| +
|
| +TextareaInput.prototype.focus = function focus () {
|
| + if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
|
| + try { this.textarea.focus() }
|
| + catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
|
| + }
|
| +};
|
| +
|
| +TextareaInput.prototype.blur = function blur () { this.textarea.blur() };
|
| +
|
| +TextareaInput.prototype.resetPosition = function resetPosition () {
|
| + this.wrapper.style.top = this.wrapper.style.left = 0
|
| +};
|
| +
|
| +TextareaInput.prototype.receivedFocus = function receivedFocus () { this.slowPoll() };
|
| +
|
| +// Poll for input changes, using the normal rate of polling. This
|
| +// runs as long as the editor is focused.
|
| +TextareaInput.prototype.slowPoll = function slowPoll () {
|
| + var this$1 = this;
|
| +
|
| + if (this.pollingFast) { return }
|
| + this.polling.set(this.cm.options.pollInterval, function () {
|
| + this$1.poll()
|
| + if (this$1.cm.state.focused) { this$1.slowPoll() }
|
| + })
|
| +};
|
| +
|
| +// When an event has just come in that is likely to add or change
|
| +// something in the input textarea, we poll faster, to ensure that
|
| +// the change appears on the screen quickly.
|
| +TextareaInput.prototype.fastPoll = function fastPoll () {
|
| + var missed = false, input = this
|
| + input.pollingFast = true
|
| + function p() {
|
| + var changed = input.poll()
|
| + if (!changed && !missed) {missed = true; input.polling.set(60, p)}
|
| + else {input.pollingFast = false; input.slowPoll()}
|
| + }
|
| + input.polling.set(20, p)
|
| +};
|
| +
|
| +// Read input from the textarea, and update the document to match.
|
| +// When something is selected, it is present in the textarea, and
|
| +// selected (unless it is huge, in which case a placeholder is
|
| +// used). When nothing is selected, the cursor sits after previously
|
| +// seen text (can be empty), which is stored in prevInput (we must
|
| +// not reset the textarea when typing, because that breaks IME).
|
| +TextareaInput.prototype.poll = function poll () {
|
| + var this$1 = this;
|
| +
|
| + var cm = this.cm, input = this.textarea, prevInput = this.prevInput
|
| + // Since this is called a *lot*, try to bail out as cheaply as
|
| + // possible when it is clear that nothing happened. hasSelection
|
| + // will be the case when there is a lot of text in the textarea,
|
| + // in which case reading its value would be expensive.
|
| + if (this.contextMenuPending || !cm.state.focused ||
|
| + (hasSelection(input) && !prevInput && !this.composing) ||
|
| + cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
|
| + { return false }
|
| +
|
| + var text = input.value
|
| + // If nothing changed, bail.
|
| + if (text == prevInput && !cm.somethingSelected()) { return false }
|
| + // Work around nonsensical selection resetting in IE9/10, and
|
| + // inexplicable appearance of private area unicode characters on
|
| + // some key combos in Mac (#2689).
|
| + if (ie && ie_version >= 9 && this.hasSelection === text ||
|
| + mac && /[\uf700-\uf7ff]/.test(text)) {
|
| + cm.display.input.reset()
|
| + return false
|
| + }
|
| +
|
| + if (cm.doc.sel == cm.display.selForContextMenu) {
|
| + var first = text.charCodeAt(0)
|
| + if (first == 0x200b && !prevInput) { prevInput = "\u200b" }
|
| + if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") }
|
| + }
|
| + // Find the part of the input that is actually new
|
| + var same = 0, l = Math.min(prevInput.length, text.length)
|
| + while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same }
|
| +
|
| + runInOp(cm, function () {
|
| + applyTextInput(cm, text.slice(same), prevInput.length - same,
|
| + null, this$1.composing ? "*compose" : null)
|
| +
|
| + // Don't leave long text in the textarea, since it makes further polling slow
|
| + if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = "" }
|
| + else { this$1.prevInput = text }
|
| +
|
| + if (this$1.composing) {
|
| + this$1.composing.range.clear()
|
| + this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"),
|
| + {className: "CodeMirror-composing"})
|
| + }
|
| + })
|
| + return true
|
| +};
|
| +
|
| +TextareaInput.prototype.ensurePolled = function ensurePolled () {
|
| + if (this.pollingFast && this.poll()) { this.pollingFast = false }
|
| +};
|
| +
|
| +TextareaInput.prototype.onKeyPress = function onKeyPress () {
|
| + if (ie && ie_version >= 9) { this.hasSelection = null }
|
| + this.fastPoll()
|
| +};
|
| +
|
| +TextareaInput.prototype.onContextMenu = function onContextMenu (e) {
|
| + var input = this, cm = input.cm, display = cm.display, te = input.textarea
|
| + var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop
|
| + if (!pos || presto) { return } // Opera is difficult.
|
| +
|
| + // Reset the current text selection only if the click is done outside of the selection
|
| + // and 'resetSelectionOnContextMenu' option is true.
|
| + var reset = cm.options.resetSelectionOnContextMenu
|
| + if (reset && cm.doc.sel.contains(pos) == -1)
|
| + { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll) }
|
| +
|
| + var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText
|
| + input.wrapper.style.cssText = "position: absolute"
|
| + var wrapperBox = input.wrapper.getBoundingClientRect()
|
| + te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"
|
| + var oldScrollY
|
| + if (webkit) { oldScrollY = window.scrollY } // Work around Chrome issue (#2712)
|
| + display.input.focus()
|
| + if (webkit) { window.scrollTo(null, oldScrollY) }
|
| + display.input.reset()
|
| + // Adds "Select all" to context menu in FF
|
| + if (!cm.somethingSelected()) { te.value = input.prevInput = " " }
|
| + input.contextMenuPending = true
|
| + display.selForContextMenu = cm.doc.sel
|
| + clearTimeout(display.detectingSelectAll)
|
| +
|
| + // Select-all will be greyed out if there's nothing to select, so
|
| + // this adds a zero-width space so that we can later check whether
|
| + // it got selected.
|
| + function prepareSelectAllHack() {
|
| + if (te.selectionStart != null) {
|
| + var selected = cm.somethingSelected()
|
| + var extval = "\u200b" + (selected ? te.value : "")
|
| + te.value = "\u21da" // Used to catch context-menu undo
|
| + te.value = extval
|
| + input.prevInput = selected ? "" : "\u200b"
|
| + te.selectionStart = 1; te.selectionEnd = extval.length
|
| + // Re-set this, in case some other handler touched the
|
| + // selection in the meantime.
|
| + display.selForContextMenu = cm.doc.sel
|
| + }
|
| + }
|
| + function rehide() {
|
| + input.contextMenuPending = false
|
| + input.wrapper.style.cssText = oldWrapperCSS
|
| + te.style.cssText = oldCSS
|
| + if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos) }
|
| +
|
| + // Try to detect the user choosing select-all
|
| + if (te.selectionStart != null) {
|
| + if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack() }
|
| + var i = 0, poll = function () {
|
| + if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
|
| + te.selectionEnd > 0 && input.prevInput == "\u200b") {
|
| + operation(cm, selectAll)(cm)
|
| + } else if (i++ < 10) {
|
| + display.detectingSelectAll = setTimeout(poll, 500)
|
| } else {
|
| - if (cur.from != cur.to) bidiOther = i;
|
| - return found;
|
| + display.selForContextMenu = null
|
| + display.input.reset()
|
| }
|
| }
|
| + display.detectingSelectAll = setTimeout(poll, 200)
|
| }
|
| - return found;
|
| - }
|
| -
|
| - function moveInLine(line, pos, dir, byUnit) {
|
| - if (!byUnit) return pos + dir;
|
| - do pos += dir;
|
| - while (pos > 0 && isExtendingChar(line.text.charAt(pos)));
|
| - return pos;
|
| }
|
|
|
| - // This is needed in order to move 'visually' through bi-directional
|
| - // text -- i.e., pressing left should make the cursor go left, even
|
| - // when in RTL text. The tricky part is the 'jumps', where RTL and
|
| - // LTR text touch each other. This often requires the cursor offset
|
| - // to move more than one unit, in order to visually move one unit.
|
| - function moveVisually(line, start, dir, byUnit) {
|
| - var bidi = getOrder(line);
|
| - if (!bidi) return moveLogically(line, start, dir, byUnit);
|
| - var pos = getBidiPartAt(bidi, start), part = bidi[pos];
|
| - var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit);
|
| -
|
| - for (;;) {
|
| - if (target > part.from && target < part.to) return target;
|
| - if (target == part.from || target == part.to) {
|
| - if (getBidiPartAt(bidi, target) == pos) return target;
|
| - part = bidi[pos += dir];
|
| - return (dir > 0) == part.level % 2 ? part.to : part.from;
|
| - } else {
|
| - part = bidi[pos += dir];
|
| - if (!part) return null;
|
| - if ((dir > 0) == part.level % 2)
|
| - target = moveInLine(line, part.to, -1, byUnit);
|
| - else
|
| - target = moveInLine(line, part.from, 1, byUnit);
|
| - }
|
| + if (ie && ie_version >= 9) { prepareSelectAllHack() }
|
| + if (captureRightClick) {
|
| + e_stop(e)
|
| + var mouseup = function () {
|
| + off(window, "mouseup", mouseup)
|
| + setTimeout(rehide, 20)
|
| }
|
| + on(window, "mouseup", mouseup)
|
| + } else {
|
| + setTimeout(rehide, 50)
|
| }
|
| +};
|
|
|
| - function moveLogically(line, start, dir, byUnit) {
|
| - var target = start + dir;
|
| - if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir;
|
| - return target < 0 || target > line.text.length ? null : target;
|
| - }
|
| -
|
| - // Bidirectional ordering algorithm
|
| - // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
|
| - // that this (partially) implements.
|
| -
|
| - // One-char codes used for character types:
|
| - // L (L): Left-to-Right
|
| - // R (R): Right-to-Left
|
| - // r (AL): Right-to-Left Arabic
|
| - // 1 (EN): European Number
|
| - // + (ES): European Number Separator
|
| - // % (ET): European Number Terminator
|
| - // n (AN): Arabic Number
|
| - // , (CS): Common Number Separator
|
| - // m (NSM): Non-Spacing Mark
|
| - // b (BN): Boundary Neutral
|
| - // s (B): Paragraph Separator
|
| - // t (S): Segment Separator
|
| - // w (WS): Whitespace
|
| - // N (ON): Other Neutrals
|
| -
|
| - // Returns null if characters are ordered as they appear
|
| - // (left-to-right), or an array of sections ({from, to, level}
|
| - // objects) in the order in which they occur visually.
|
| - var bidiOrdering = (function() {
|
| - // Character types for codepoints 0 to 0xff
|
| - var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
|
| - // Character types for codepoints 0x600 to 0x6ff
|
| - var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm";
|
| - function charType(code) {
|
| - if (code <= 0xf7) return lowTypes.charAt(code);
|
| - else if (0x590 <= code && code <= 0x5f4) return "R";
|
| - else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600);
|
| - else if (0x6ee <= code && code <= 0x8ac) return "r";
|
| - else if (0x2000 <= code && code <= 0x200b) return "w";
|
| - else if (code == 0x200c) return "b";
|
| - else return "L";
|
| - }
|
| -
|
| - var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
|
| - var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
|
| - // Browsers seem to always treat the boundaries of block elements as being L.
|
| - var outerType = "L";
|
| -
|
| - function BidiSpan(level, from, to) {
|
| - this.level = level;
|
| - this.from = from; this.to = to;
|
| - }
|
| -
|
| - return function(str) {
|
| - if (!bidiRE.test(str)) return false;
|
| - var len = str.length, types = [];
|
| - for (var i = 0, type; i < len; ++i)
|
| - types.push(type = charType(str.charCodeAt(i)));
|
| -
|
| - // W1. Examine each non-spacing mark (NSM) in the level run, and
|
| - // change the type of the NSM to the type of the previous
|
| - // character. If the NSM is at the start of the level run, it will
|
| - // get the type of sor.
|
| - for (var i = 0, prev = outerType; i < len; ++i) {
|
| - var type = types[i];
|
| - if (type == "m") types[i] = prev;
|
| - else prev = type;
|
| - }
|
| -
|
| - // W2. Search backwards from each instance of a European number
|
| - // until the first strong type (R, L, AL, or sor) is found. If an
|
| - // AL is found, change the type of the European number to Arabic
|
| - // number.
|
| - // W3. Change all ALs to R.
|
| - for (var i = 0, cur = outerType; i < len; ++i) {
|
| - var type = types[i];
|
| - if (type == "1" && cur == "r") types[i] = "n";
|
| - else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; }
|
| - }
|
| +TextareaInput.prototype.readOnlyChanged = function readOnlyChanged (val) {
|
| + if (!val) { this.reset() }
|
| +};
|
|
|
| - // W4. A single European separator between two European numbers
|
| - // changes to a European number. A single common separator between
|
| - // two numbers of the same type changes to that type.
|
| - for (var i = 1, prev = types[0]; i < len - 1; ++i) {
|
| - var type = types[i];
|
| - if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1";
|
| - else if (type == "," && prev == types[i+1] &&
|
| - (prev == "1" || prev == "n")) types[i] = prev;
|
| - prev = type;
|
| - }
|
| +TextareaInput.prototype.setUneditable = function setUneditable () {};
|
|
|
| - // W5. A sequence of European terminators adjacent to European
|
| - // numbers changes to all European numbers.
|
| - // W6. Otherwise, separators and terminators change to Other
|
| - // Neutral.
|
| - for (var i = 0; i < len; ++i) {
|
| - var type = types[i];
|
| - if (type == ",") types[i] = "N";
|
| - else if (type == "%") {
|
| - for (var end = i + 1; end < len && types[end] == "%"; ++end) {}
|
| - var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
|
| - for (var j = i; j < end; ++j) types[j] = replace;
|
| - i = end - 1;
|
| - }
|
| - }
|
| +TextareaInput.prototype.needsContentAttribute = false
|
|
|
| - // W7. Search backwards from each instance of a European number
|
| - // until the first strong type (R, L, or sor) is found. If an L is
|
| - // found, then change the type of the European number to L.
|
| - for (var i = 0, cur = outerType; i < len; ++i) {
|
| - var type = types[i];
|
| - if (cur == "L" && type == "1") types[i] = "L";
|
| - else if (isStrong.test(type)) cur = type;
|
| - }
|
| +function fromTextArea(textarea, options) {
|
| + options = options ? copyObj(options) : {}
|
| + options.value = textarea.value
|
| + if (!options.tabindex && textarea.tabIndex)
|
| + { options.tabindex = textarea.tabIndex }
|
| + if (!options.placeholder && textarea.placeholder)
|
| + { options.placeholder = textarea.placeholder }
|
| + // Set autofocus to true if this textarea is focused, or if it has
|
| + // autofocus and no other element is focused.
|
| + if (options.autofocus == null) {
|
| + var hasFocus = activeElt()
|
| + options.autofocus = hasFocus == textarea ||
|
| + textarea.getAttribute("autofocus") != null && hasFocus == document.body
|
| + }
|
|
|
| - // N1. A sequence of neutrals takes the direction of the
|
| - // surrounding strong text if the text on both sides has the same
|
| - // direction. European and Arabic numbers act as if they were R in
|
| - // terms of their influence on neutrals. Start-of-level-run (sor)
|
| - // and end-of-level-run (eor) are used at level run boundaries.
|
| - // N2. Any remaining neutrals take the embedding direction.
|
| - for (var i = 0; i < len; ++i) {
|
| - if (isNeutral.test(types[i])) {
|
| - for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {}
|
| - var before = (i ? types[i-1] : outerType) == "L";
|
| - var after = (end < len ? types[end] : outerType) == "L";
|
| - var replace = before || after ? "L" : "R";
|
| - for (var j = i; j < end; ++j) types[j] = replace;
|
| - i = end - 1;
|
| - }
|
| - }
|
| + function save() {textarea.value = cm.getValue()}
|
|
|
| - // Here we depart from the documented algorithm, in order to avoid
|
| - // building up an actual levels array. Since there are only three
|
| - // levels (0, 1, 2) in an implementation that doesn't take
|
| - // explicit embedding into account, we can build up the order on
|
| - // the fly, without following the level-based algorithm.
|
| - var order = [], m;
|
| - for (var i = 0; i < len;) {
|
| - if (countsAsLeft.test(types[i])) {
|
| - var start = i;
|
| - for (++i; i < len && countsAsLeft.test(types[i]); ++i) {}
|
| - order.push(new BidiSpan(0, start, i));
|
| - } else {
|
| - var pos = i, at = order.length;
|
| - for (++i; i < len && types[i] != "L"; ++i) {}
|
| - for (var j = pos; j < i;) {
|
| - if (countsAsNum.test(types[j])) {
|
| - if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j));
|
| - var nstart = j;
|
| - for (++j; j < i && countsAsNum.test(types[j]); ++j) {}
|
| - order.splice(at, 0, new BidiSpan(2, nstart, j));
|
| - pos = j;
|
| - } else ++j;
|
| - }
|
| - if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i));
|
| + var realSubmit
|
| + if (textarea.form) {
|
| + on(textarea.form, "submit", save)
|
| + // Deplorable hack to make the submit method do the right thing.
|
| + if (!options.leaveSubmitMethodAlone) {
|
| + var form = textarea.form
|
| + realSubmit = form.submit
|
| + try {
|
| + var wrappedSubmit = form.submit = function () {
|
| + save()
|
| + form.submit = realSubmit
|
| + form.submit()
|
| + form.submit = wrappedSubmit
|
| }
|
| - }
|
| - if (order[0].level == 1 && (m = str.match(/^\s+/))) {
|
| - order[0].from = m[0].length;
|
| - order.unshift(new BidiSpan(0, 0, m[0].length));
|
| - }
|
| - if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
|
| - lst(order).to -= m[0].length;
|
| - order.push(new BidiSpan(0, len - m[0].length, len));
|
| - }
|
| - if (order[0].level == 2)
|
| - order.unshift(new BidiSpan(1, order[0].to, order[0].to));
|
| - if (order[0].level != lst(order).level)
|
| - order.push(new BidiSpan(order[0].level, len, len));
|
| -
|
| - return order;
|
| - };
|
| - })();
|
| -
|
| - // THE END
|
| -
|
| - CodeMirror.version = "5.17.1";
|
| -
|
| - return CodeMirror;
|
| -});
|
| + } catch(e) {}
|
| + }
|
| + }
|
| +
|
| + options.finishInit = function (cm) {
|
| + cm.save = save
|
| + cm.getTextArea = function () { return textarea; }
|
| + cm.toTextArea = function () {
|
| + cm.toTextArea = isNaN // Prevent this from being ran twice
|
| + save()
|
| + textarea.parentNode.removeChild(cm.getWrapperElement())
|
| + textarea.style.display = ""
|
| + if (textarea.form) {
|
| + off(textarea.form, "submit", save)
|
| + if (typeof textarea.form.submit == "function")
|
| + { textarea.form.submit = realSubmit }
|
| + }
|
| + }
|
| + }
|
| +
|
| + textarea.style.display = "none"
|
| + var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },
|
| + options)
|
| + return cm
|
| +}
|
| +
|
| +function addLegacyProps(CodeMirror) {
|
| + CodeMirror.off = off
|
| + CodeMirror.on = on
|
| + CodeMirror.wheelEventPixels = wheelEventPixels
|
| + CodeMirror.Doc = Doc
|
| + CodeMirror.splitLines = splitLinesAuto
|
| + CodeMirror.countColumn = countColumn
|
| + CodeMirror.findColumn = findColumn
|
| + CodeMirror.isWordChar = isWordCharBasic
|
| + CodeMirror.Pass = Pass
|
| + CodeMirror.signal = signal
|
| + CodeMirror.Line = Line
|
| + CodeMirror.changeEnd = changeEnd
|
| + CodeMirror.scrollbarModel = scrollbarModel
|
| + CodeMirror.Pos = Pos
|
| + CodeMirror.cmpPos = cmp
|
| + CodeMirror.modes = modes
|
| + CodeMirror.mimeModes = mimeModes
|
| + CodeMirror.resolveMode = resolveMode
|
| + CodeMirror.getMode = getMode
|
| + CodeMirror.modeExtensions = modeExtensions
|
| + CodeMirror.extendMode = extendMode
|
| + CodeMirror.copyState = copyState
|
| + CodeMirror.startState = startState
|
| + CodeMirror.innerMode = innerMode
|
| + CodeMirror.commands = commands
|
| + CodeMirror.keyMap = keyMap
|
| + CodeMirror.keyName = keyName
|
| + CodeMirror.isModifierKey = isModifierKey
|
| + CodeMirror.lookupKey = lookupKey
|
| + CodeMirror.normalizeKeyMap = normalizeKeyMap
|
| + CodeMirror.StringStream = StringStream
|
| + CodeMirror.SharedTextMarker = SharedTextMarker
|
| + CodeMirror.TextMarker = TextMarker
|
| + CodeMirror.LineWidget = LineWidget
|
| + CodeMirror.e_preventDefault = e_preventDefault
|
| + CodeMirror.e_stopPropagation = e_stopPropagation
|
| + CodeMirror.e_stop = e_stop
|
| + CodeMirror.addClass = addClass
|
| + CodeMirror.contains = contains
|
| + CodeMirror.rmClass = rmClass
|
| + CodeMirror.keyNames = keyNames
|
| +}
|
| +
|
| +// EDITOR CONSTRUCTOR
|
| +
|
| +defineOptions(CodeMirror)
|
| +
|
| +addEditorMethods(CodeMirror)
|
| +
|
| +// Set up methods on CodeMirror's prototype to redirect to the editor's document.
|
| +var dontDelegate = "iter insert remove copy getEditor constructor".split(" ")
|
| +for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
|
| + { CodeMirror.prototype[prop] = (function(method) {
|
| + return function() {return method.apply(this.doc, arguments)}
|
| + })(Doc.prototype[prop]) } }
|
| +
|
| +eventMixin(Doc)
|
| +
|
| +// INPUT HANDLING
|
| +
|
| +CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}
|
| +
|
| +// MODE DEFINITION AND QUERYING
|
| +
|
| +// Extra arguments are stored as the mode's dependencies, which is
|
| +// used by (legacy) mechanisms like loadmode.js to automatically
|
| +// load a mode. (Preferred mechanism is the require/define calls.)
|
| +CodeMirror.defineMode = function(name/*, mode, …*/) {
|
| + if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name }
|
| + defineMode.apply(this, arguments)
|
| +}
|
| +
|
| +CodeMirror.defineMIME = defineMIME
|
| +
|
| +// Minimal default mode.
|
| +CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); })
|
| +CodeMirror.defineMIME("text/plain", "null")
|
| +
|
| +// EXTENSIONS
|
| +
|
| +CodeMirror.defineExtension = function (name, func) {
|
| + CodeMirror.prototype[name] = func
|
| +}
|
| +CodeMirror.defineDocExtension = function (name, func) {
|
| + Doc.prototype[name] = func
|
| +}
|
| +
|
| +CodeMirror.fromTextArea = fromTextArea
|
| +
|
| +addLegacyProps(CodeMirror)
|
| +
|
| +CodeMirror.version = "5.25.1"
|
| +
|
| +return CodeMirror;
|
| +
|
| +})));
|
|
|
Chromium Code Reviews
Issue 2772343006:
DevTools: Roll CodeMirror to 5.25.1 (Closed)
