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Side by Side Diff: chrome/resources/Inspector/StylesSidebarPane.js

Issue 334023: Remove Inspector directory in prep for ref build rev. (Closed) Base URL: http://src.chromium.org/svn/trunk/deps/reference_builds/
Patch Set: Created 11 years, 1 month ago
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1 /*
2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 WebInspector.StylesSidebarPane = function()
30 {
31 WebInspector.SidebarPane.call(this, WebInspector.UIString("Styles"));
32 }
33
34 WebInspector.StylesSidebarPane.prototype = {
35 update: function(node, editedSection, forceUpdate)
36 {
37 var refresh = false;
38
39 if (forceUpdate)
40 delete this.node;
41
42 if (!forceUpdate && (!node || node === this.node))
43 refresh = true;
44
45 if (node && node.nodeType === Node.TEXT_NODE && node.parentNode)
46 node = node.parentNode;
47
48 if (node && node.nodeType !== Node.ELEMENT_NODE)
49 node = null;
50
51 if (node)
52 this.node = node;
53 else
54 node = this.node;
55
56 var body = this.bodyElement;
57 if (!refresh || !node) {
58 body.removeChildren();
59 this.sections = [];
60 }
61
62 if (!node)
63 return;
64
65 var styleRules = [];
66
67 if (refresh) {
68 for (var i = 0; i < this.sections.length; ++i) {
69 var section = this.sections[i];
70 if (section.computedStyle)
71 section.styleRule.style = node.ownerDocument.defaultView.get ComputedStyle(node);
72 var styleRule = { section: section, style: section.styleRule.sty le, computedStyle: section.computedStyle };
73 styleRules.push(styleRule);
74 }
75 } else {
76 var computedStyle = node.ownerDocument.defaultView.getComputedStyle( node);
77 styleRules.push({ computedStyle: true, selectorText: WebInspector.UI String("Computed Style"), style: computedStyle, editable: false });
78
79 var nodeName = node.nodeName.toLowerCase();
80 for (var i = 0; i < node.attributes.length; ++i) {
81 var attr = node.attributes[i];
82 if (attr.style) {
83 var attrStyle = { style: attr.style, editable: false };
84 attrStyle.subtitle = WebInspector.UIString("element’s “%s” a ttribute", attr.name);
85 attrStyle.selectorText = nodeName + "[" + attr.name;
86 if (attr.value.length)
87 attrStyle.selectorText += "=" + attr.value;
88 attrStyle.selectorText += "]";
89 styleRules.push(attrStyle);
90 }
91 }
92
93 if (node.style && (node.style.length || Object.hasProperties(node.st yle.__disabledProperties))) {
94 var inlineStyle = { selectorText: WebInspector.UIString("Inline Style Attribute"), style: node.style };
95 inlineStyle.subtitle = WebInspector.UIString("element’s “%s” att ribute", "style");
96 styleRules.push(inlineStyle);
97 }
98
99 var matchedStyleRules = node.ownerDocument.defaultView.getMatchedCSS Rules(node, "", !Preferences.showUserAgentStyles);
100 if (matchedStyleRules) {
101 // Add rules in reverse order to match the cascade order.
102 for (var i = (matchedStyleRules.length - 1); i >= 0; --i) {
103 var rule = matchedStyleRules[i];
104 styleRules.push({ style: rule.style, selectorText: rule.sele ctorText, parentStyleSheet: rule.parentStyleSheet });
105 }
106 }
107 }
108
109 function deleteDisabledProperty(style, name)
110 {
111 if (!style || !name)
112 return;
113 if (style.__disabledPropertyValues)
114 delete style.__disabledPropertyValues[name];
115 if (style.__disabledPropertyPriorities)
116 delete style.__disabledPropertyPriorities[name];
117 if (style.__disabledProperties)
118 delete style.__disabledProperties[name];
119 }
120
121 var usedProperties = {};
122 var disabledComputedProperties = {};
123 var priorityUsed = false;
124
125 // Walk the style rules and make a list of all used and overloaded prope rties.
126 for (var i = 0; i < styleRules.length; ++i) {
127 var styleRule = styleRules[i];
128 if (styleRule.computedStyle)
129 continue;
130
131 styleRule.usedProperties = {};
132
133 var style = styleRule.style;
134 for (var j = 0; j < style.length; ++j) {
135 var name = style[j];
136
137 if (!priorityUsed && style.getPropertyPriority(name).length)
138 priorityUsed = true;
139
140 // If the property name is already used by another rule then thi s rule's
141 // property is overloaded, so don't add it to the rule's usedPro perties.
142 if (!(name in usedProperties))
143 styleRule.usedProperties[name] = true;
144
145 if (name === "font") {
146 // The font property is not reported as a shorthand. Report finding the individual
147 // properties so they are visible in computed style.
148 // FIXME: remove this when http://bugs.webkit.org/show_bug.c gi?id=15598 is fixed.
149 styleRule.usedProperties["font-family"] = true;
150 styleRule.usedProperties["font-size"] = true;
151 styleRule.usedProperties["font-style"] = true;
152 styleRule.usedProperties["font-variant"] = true;
153 styleRule.usedProperties["font-weight"] = true;
154 styleRule.usedProperties["line-height"] = true;
155 }
156
157 // Delete any disabled properties, since the property does exist .
158 // This prevents it from showing twice.
159 deleteDisabledProperty(style, name);
160 deleteDisabledProperty(style, style.getPropertyShorthand(name));
161 }
162
163 // Add all the properties found in this style to the used properties list.
164 // Do this here so only future rules are affect by properties used i n this rule.
165 for (var name in styleRules[i].usedProperties)
166 usedProperties[name] = true;
167
168 // Remember all disabled properties so they show up in computed styl e.
169 if (style.__disabledProperties)
170 for (var name in style.__disabledProperties)
171 disabledComputedProperties[name] = true;
172 }
173
174 if (priorityUsed) {
175 // Walk the properties again and account for !important.
176 var foundPriorityProperties = [];
177
178 // Walk in reverse to match the order !important overrides.
179 for (var i = (styleRules.length - 1); i >= 0; --i) {
180 if (styleRules[i].computedStyle)
181 continue;
182
183 var style = styleRules[i].style;
184 var uniqueProperties = getUniqueStyleProperties(style);
185 for (var j = 0; j < uniqueProperties.length; ++j) {
186 var name = uniqueProperties[j];
187 if (style.getPropertyPriority(name).length) {
188 if (!(name in foundPriorityProperties))
189 styleRules[i].usedProperties[name] = true;
190 else
191 delete styleRules[i].usedProperties[name];
192 foundPriorityProperties[name] = true;
193 } else if (name in foundPriorityProperties)
194 delete styleRules[i].usedProperties[name];
195 }
196 }
197 }
198
199 if (refresh) {
200 // Walk the style rules and update the sections with new overloaded and used properties.
201 for (var i = 0; i < styleRules.length; ++i) {
202 var styleRule = styleRules[i];
203 var section = styleRule.section;
204 if (styleRule.computedStyle)
205 section.disabledComputedProperties = disabledComputedPropert ies;
206 section._usedProperties = (styleRule.usedProperties || usedPrope rties);
207 section.update((section === editedSection) || styleRule.computed Style);
208 }
209 } else {
210 // Make a property section for each style rule.
211 for (var i = 0; i < styleRules.length; ++i) {
212 var styleRule = styleRules[i];
213 var subtitle = styleRule.subtitle;
214 delete styleRule.subtitle;
215
216 var computedStyle = styleRule.computedStyle;
217 delete styleRule.computedStyle;
218
219 var ruleUsedProperties = styleRule.usedProperties;
220 delete styleRule.usedProperties;
221
222 var editable = styleRule.editable;
223 delete styleRule.editable;
224
225 // Default editable to true if it was omitted.
226 if (typeof editable === "undefined")
227 editable = true;
228
229 var section = new WebInspector.StylePropertiesSection(styleRule, subtitle, computedStyle, (ruleUsedProperties || usedProperties), editable);
230 if (computedStyle)
231 section.disabledComputedProperties = disabledComputedPropert ies;
232 section.pane = this;
233
234 if (Preferences.styleRulesExpandedState && section.identifier in Preferences.styleRulesExpandedState)
235 section.expanded = Preferences.styleRulesExpandedState[secti on.identifier];
236 else if (computedStyle)
237 section.collapse(true);
238 else
239 section.expand(true);
240
241 body.appendChild(section.element);
242 this.sections.push(section);
243 }
244 }
245 }
246 }
247
248 WebInspector.StylesSidebarPane.prototype.__proto__ = WebInspector.SidebarPane.pr ototype;
249
250 WebInspector.StylePropertiesSection = function(styleRule, subtitle, computedStyl e, usedProperties, editable)
251 {
252 WebInspector.PropertiesSection.call(this, styleRule.selectorText);
253
254 this.styleRule = styleRule;
255 this.computedStyle = computedStyle;
256 this.editable = (editable && !computedStyle);
257
258 // Prevent editing the user agent and user rules.
259 var isUserAgent = this.styleRule.parentStyleSheet && !this.styleRule.parentS tyleSheet.ownerNode && !this.styleRule.parentStyleSheet.href;
260 var isUser = this.styleRule.parentStyleSheet && this.styleRule.parentStyleSh eet.ownerNode && this.styleRule.parentStyleSheet.ownerNode.nodeName == '#documen t';
261 if (isUserAgent || isUser)
262 this.editable = false;
263
264 this._usedProperties = usedProperties;
265
266 if (computedStyle) {
267 this.element.addStyleClass("computed-style");
268
269 if (Preferences.showInheritedComputedStyleProperties)
270 this.element.addStyleClass("show-inherited");
271
272 var showInheritedLabel = document.createElement("label");
273 var showInheritedInput = document.createElement("input");
274 showInheritedInput.type = "checkbox";
275 showInheritedInput.checked = Preferences.showInheritedComputedStylePrope rties;
276
277 var computedStyleSection = this;
278 var showInheritedToggleFunction = function(event) {
279 Preferences.showInheritedComputedStyleProperties = showInheritedInpu t.checked;
280 if (Preferences.showInheritedComputedStyleProperties)
281 computedStyleSection.element.addStyleClass("show-inherited");
282 else
283 computedStyleSection.element.removeStyleClass("show-inherited");
284 event.stopPropagation();
285 };
286
287 showInheritedLabel.addEventListener("click", showInheritedToggleFunction , false);
288
289 showInheritedLabel.appendChild(showInheritedInput);
290 showInheritedLabel.appendChild(document.createTextNode(WebInspector.UISt ring("Show inherited")));
291 this.subtitleElement.appendChild(showInheritedLabel);
292 } else {
293 if (!subtitle) {
294 if (this.styleRule.parentStyleSheet && this.styleRule.parentStyleShe et.href) {
295 var url = this.styleRule.parentStyleSheet.href;
296 subtitle = WebInspector.linkifyURL(url, WebInspector.displayName ForURL(url));
297 this.subtitleElement.addStyleClass("file");
298 } else if (isUserAgent)
299 subtitle = WebInspector.UIString("user agent stylesheet");
300 else if (isUser)
301 subtitle = WebInspector.UIString("user stylesheet");
302 else
303 subtitle = WebInspector.UIString("inline stylesheet");
304 }
305
306 this.subtitle = subtitle;
307 }
308
309 this.identifier = styleRule.selectorText;
310 if (this.subtitle)
311 this.identifier += ":" + this.subtitleElement.textContent;
312 }
313
314 WebInspector.StylePropertiesSection.prototype = {
315 get usedProperties()
316 {
317 return this._usedProperties || {};
318 },
319
320 set usedProperties(x)
321 {
322 this._usedProperties = x;
323 this.update();
324 },
325
326 expand: function(dontRememberState)
327 {
328 WebInspector.PropertiesSection.prototype.expand.call(this);
329 if (dontRememberState)
330 return;
331
332 if (!Preferences.styleRulesExpandedState)
333 Preferences.styleRulesExpandedState = {};
334 Preferences.styleRulesExpandedState[this.identifier] = true;
335 },
336
337 collapse: function(dontRememberState)
338 {
339 WebInspector.PropertiesSection.prototype.collapse.call(this);
340 if (dontRememberState)
341 return;
342
343 if (!Preferences.styleRulesExpandedState)
344 Preferences.styleRulesExpandedState = {};
345 Preferences.styleRulesExpandedState[this.identifier] = false;
346 },
347
348 isPropertyInherited: function(property)
349 {
350 if (!this.computedStyle || !this._usedProperties)
351 return false;
352 // These properties should always show for Computed Style.
353 var alwaysShowComputedProperties = { "display": true, "height": true, "w idth": true };
354 return !(property in this.usedProperties) && !(property in alwaysShowCom putedProperties) && !(property in this.disabledComputedProperties);
355 },
356
357 isPropertyOverloaded: function(property, shorthand)
358 {
359 if (this.computedStyle || !this._usedProperties)
360 return false;
361
362 var used = (property in this.usedProperties);
363 if (used || !shorthand)
364 return !used;
365
366 // Find out if any of the individual longhand properties of the shorthan d
367 // are used, if none are then the shorthand is overloaded too.
368 var longhandProperties = getLonghandProperties(this.styleRule.style, pro perty);
369 for (var j = 0; j < longhandProperties.length; ++j) {
370 var individualProperty = longhandProperties[j];
371 if (individualProperty in this.usedProperties)
372 return false;
373 }
374
375 return true;
376 },
377
378 update: function(full)
379 {
380 if (full || this.computedStyle) {
381 this.propertiesTreeOutline.removeChildren();
382 this.populated = false;
383 } else {
384 var child = this.propertiesTreeOutline.children[0];
385 while (child) {
386 child.overloaded = this.isPropertyOverloaded(child.name, child.s horthand);
387 child = child.traverseNextTreeElement(false, null, true);
388 }
389 }
390 },
391
392 onpopulate: function()
393 {
394 var style = this.styleRule.style;
395
396 var foundShorthands = {};
397 var uniqueProperties = getUniqueStyleProperties(style);
398 var disabledProperties = style.__disabledPropertyValues || {};
399
400 for (var name in disabledProperties)
401 uniqueProperties.push(name);
402
403 uniqueProperties.sort();
404
405 for (var i = 0; i < uniqueProperties.length; ++i) {
406 var name = uniqueProperties[i];
407 var disabled = name in disabledProperties;
408 if (!disabled && this.disabledComputedProperties && !(name in this.u sedProperties) && name in this.disabledComputedProperties)
409 disabled = true;
410
411 var shorthand = !disabled ? style.getPropertyShorthand(name) : null;
412
413 if (shorthand && shorthand in foundShorthands)
414 continue;
415
416 if (shorthand) {
417 foundShorthands[shorthand] = true;
418 name = shorthand;
419 }
420
421 var isShorthand = (shorthand ? true : false);
422 var inherited = this.isPropertyInherited(name);
423 var overloaded = this.isPropertyOverloaded(name, isShorthand);
424
425 var item = new WebInspector.StylePropertyTreeElement(style, name, is Shorthand, inherited, overloaded, disabled);
426 this.propertiesTreeOutline.appendChild(item);
427 }
428 }
429 }
430
431 WebInspector.StylePropertiesSection.prototype.__proto__ = WebInspector.Propertie sSection.prototype;
432
433 WebInspector.StylePropertyTreeElement = function(style, name, shorthand, inherit ed, overloaded, disabled)
434 {
435 this.style = style;
436 this.name = name;
437 this.shorthand = shorthand;
438 this._inherited = inherited;
439 this._overloaded = overloaded;
440 this._disabled = disabled;
441
442 // Pass an empty title, the title gets made later in onattach.
443 TreeElement.call(this, "", null, shorthand);
444 }
445
446 WebInspector.StylePropertyTreeElement.prototype = {
447 get inherited()
448 {
449 return this._inherited;
450 },
451
452 set inherited(x)
453 {
454 if (x === this._inherited)
455 return;
456 this._inherited = x;
457 this.updateState();
458 },
459
460 get overloaded()
461 {
462 return this._overloaded;
463 },
464
465 set overloaded(x)
466 {
467 if (x === this._overloaded)
468 return;
469 this._overloaded = x;
470 this.updateState();
471 },
472
473 get disabled()
474 {
475 return this._disabled;
476 },
477
478 set disabled(x)
479 {
480 if (x === this._disabled)
481 return;
482 this._disabled = x;
483 this.updateState();
484 },
485
486 get priority()
487 {
488 if (this.disabled && this.style.__disabledPropertyPriorities && this.nam e in this.style.__disabledPropertyPriorities)
489 return this.style.__disabledPropertyPriorities[this.name];
490 return (this.shorthand ? getShorthandPriority(this.style, this.name) : t his.style.getPropertyPriority(this.name));
491 },
492
493 get value()
494 {
495 if (this.disabled && this.style.__disabledPropertyValues && this.name in this.style.__disabledPropertyValues)
496 return this.style.__disabledPropertyValues[this.name];
497 return (this.shorthand ? getShorthandValue(this.style, this.name) : this .style.getPropertyValue(this.name));
498 },
499
500 onattach: function()
501 {
502 this.updateTitle();
503 },
504
505 updateTitle: function()
506 {
507 // "Nicknames" for some common values that are easier to read.
508 var valueNicknames = {
509 "rgb(0, 0, 0)": "black",
510 "#000": "black",
511 "#000000": "black",
512 "rgb(255, 255, 255)": "white",
513 "#fff": "white",
514 "#ffffff": "white",
515 "#FFF": "white",
516 "#FFFFFF": "white",
517 "rgba(0, 0, 0, 0)": "transparent",
518 "rgb(255, 0, 0)": "red",
519 "rgb(0, 255, 0)": "lime",
520 "rgb(0, 0, 255)": "blue",
521 "rgb(255, 255, 0)": "yellow",
522 "rgb(255, 0, 255)": "magenta",
523 "rgb(0, 255, 255)": "cyan"
524 };
525
526 var priority = this.priority;
527 var value = this.value;
528 var htmlValue = value;
529
530 if (priority && !priority.length)
531 delete priority;
532 if (priority)
533 priority = "!" + priority;
534
535 if (value) {
536 var urls = value.match(/url\([^)]+\)/);
537 if (urls) {
538 for (var i = 0; i < urls.length; ++i) {
539 var url = urls[i].substring(4, urls[i].length - 1);
540 htmlValue = htmlValue.replace(urls[i], "url(" + WebInspector .linkifyURL(url) + ")");
541 }
542 } else {
543 if (value in valueNicknames)
544 htmlValue = valueNicknames[value];
545 htmlValue = htmlValue.escapeHTML();
546 }
547 } else
548 htmlValue = value = "";
549
550 this.updateState();
551
552 var enabledCheckboxElement = document.createElement("input");
553 enabledCheckboxElement.className = "enabled-button";
554 enabledCheckboxElement.type = "checkbox";
555 enabledCheckboxElement.checked = !this.disabled;
556 enabledCheckboxElement.addEventListener("change", this.toggleEnabled.bin d(this), false);
557
558 var nameElement = document.createElement("span");
559 nameElement.className = "name";
560 nameElement.textContent = this.name;
561
562 var valueElement = document.createElement("span");
563 valueElement.className = "value";
564 valueElement.innerHTML = htmlValue;
565
566 if (priority) {
567 var priorityElement = document.createElement("span");
568 priorityElement.className = "priority";
569 priorityElement.textContent = priority;
570 }
571
572 this.listItemElement.removeChildren();
573
574 // Append the checkbox for root elements of an editable section.
575 if (this.treeOutline.section && this.treeOutline.section.editable && thi s.parent.root)
576 this.listItemElement.appendChild(enabledCheckboxElement);
577 this.listItemElement.appendChild(nameElement);
578 this.listItemElement.appendChild(document.createTextNode(": "));
579 this.listItemElement.appendChild(valueElement);
580
581 if (priorityElement) {
582 this.listItemElement.appendChild(document.createTextNode(" "));
583 this.listItemElement.appendChild(priorityElement);
584 }
585
586 this.listItemElement.appendChild(document.createTextNode(";"));
587
588 if (value) {
589 // FIXME: this dosen't catch keyword based colors like black and whi te
590 var colors = value.match(/((rgb|hsl)a?\([^)]+\))|(#[0-9a-fA-F]{6})|( #[0-9a-fA-F]{3})/g);
591 if (colors) {
592 var colorsLength = colors.length;
593 for (var i = 0; i < colorsLength; ++i) {
594 var swatchElement = document.createElement("span");
595 swatchElement.className = "swatch";
596 swatchElement.style.setProperty("background-color", colors[i ]);
597 this.listItemElement.appendChild(swatchElement);
598 }
599 }
600 }
601
602 this.tooltip = this.name + ": " + (valueNicknames[value] || value) + (pr iority ? " " + priority : "");
603 },
604
605 updateAll: function(updateAllRules)
606 {
607 if (updateAllRules && this.treeOutline.section && this.treeOutline.secti on.pane)
608 this.treeOutline.section.pane.update(null, this.treeOutline.section) ;
609 else if (this.treeOutline.section)
610 this.treeOutline.section.update(true);
611 else
612 this.updateTitle(); // FIXME: this will not show new properties. But we don't hit his case yet.
613 },
614
615 toggleEnabled: function(event)
616 {
617 var disabled = !event.target.checked;
618
619 if (disabled) {
620 if (!this.style.__disabledPropertyValues || !this.style.__disabledPr opertyPriorities) {
621 var inspectedWindow = InspectorController.inspectedWindow();
622 this.style.__disabledProperties = new inspectedWindow.Object;
623 this.style.__disabledPropertyValues = new inspectedWindow.Object ;
624 this.style.__disabledPropertyPriorities = new inspectedWindow.Ob ject;
625 }
626
627 this.style.__disabledPropertyValues[this.name] = this.value;
628 this.style.__disabledPropertyPriorities[this.name] = this.priority;
629
630 if (this.shorthand) {
631 var longhandProperties = getLonghandProperties(this.style, this. name);
632 for (var i = 0; i < longhandProperties.length; ++i) {
633 this.style.__disabledProperties[longhandProperties[i]] = tru e;
634 this.style.removeProperty(longhandProperties[i]);
635 }
636 } else {
637 this.style.__disabledProperties[this.name] = true;
638 this.style.removeProperty(this.name);
639 }
640 } else {
641 this.style.setProperty(this.name, this.value, this.priority);
642 delete this.style.__disabledProperties[this.name];
643 delete this.style.__disabledPropertyValues[this.name];
644 delete this.style.__disabledPropertyPriorities[this.name];
645 }
646
647 // Set the disabled property here, since the code above replies on it no t changing
648 // until after the value and priority are retrieved.
649 this.disabled = disabled;
650
651 if (this.treeOutline.section && this.treeOutline.section.pane)
652 this.treeOutline.section.pane.dispatchEventToListeners("style proper ty toggled");
653
654 this.updateAll(true);
655 },
656
657 updateState: function()
658 {
659 if (!this.listItemElement)
660 return;
661
662 if (this.style.isPropertyImplicit(this.name) || this.value === "initial" )
663 this.listItemElement.addStyleClass("implicit");
664 else
665 this.listItemElement.removeStyleClass("implicit");
666
667 if (this.inherited)
668 this.listItemElement.addStyleClass("inherited");
669 else
670 this.listItemElement.removeStyleClass("inherited");
671
672 if (this.overloaded)
673 this.listItemElement.addStyleClass("overloaded");
674 else
675 this.listItemElement.removeStyleClass("overloaded");
676
677 if (this.disabled)
678 this.listItemElement.addStyleClass("disabled");
679 else
680 this.listItemElement.removeStyleClass("disabled");
681 },
682
683 onpopulate: function()
684 {
685 // Only populate once and if this property is a shorthand.
686 if (this.children.length || !this.shorthand)
687 return;
688
689 var longhandProperties = getLonghandProperties(this.style, this.name);
690 for (var i = 0; i < longhandProperties.length; ++i) {
691 var name = longhandProperties[i];
692
693 if (this.treeOutline.section) {
694 var inherited = this.treeOutline.section.isPropertyInherited(nam e);
695 var overloaded = this.treeOutline.section.isPropertyOverloaded(n ame);
696 }
697
698 var item = new WebInspector.StylePropertyTreeElement(this.style, nam e, false, inherited, overloaded);
699 this.appendChild(item);
700 }
701 },
702
703 ondblclick: function(element, event)
704 {
705 this.startEditing(event.target);
706 },
707
708 startEditing: function(selectElement)
709 {
710 // FIXME: we don't allow editing of longhand properties under a shorthan d right now.
711 if (this.parent.shorthand)
712 return;
713
714 if (WebInspector.isBeingEdited(this.listItemElement) || (this.treeOutlin e.section && !this.treeOutline.section.editable))
715 return;
716
717 var context = { expanded: this.expanded, hasChildren: this.hasChildren } ;
718
719 // Lie about our children to prevent expanding on double click and to co llapse shorthands.
720 this.hasChildren = false;
721
722 if (!selectElement)
723 selectElement = this.listItemElement;
724
725 this.listItemElement.handleKeyEvent = this.editingKeyDown.bind(this);
726
727 WebInspector.startEditing(this.listItemElement, this.editingCommitted.bi nd(this), this.editingCancelled.bind(this), context);
728 window.getSelection().setBaseAndExtent(selectElement, 0, selectElement, 1);
729 },
730
731 editingKeyDown: function(event)
732 {
733 var arrowKeyPressed = (event.keyIdentifier === "Up" || event.keyIdentifi er === "Down");
734 var pageKeyPressed = (event.keyIdentifier === "PageUp" || event.keyIdent ifier === "PageDown");
735 if (!arrowKeyPressed && !pageKeyPressed)
736 return;
737
738 var selection = window.getSelection();
739 if (!selection.rangeCount)
740 return;
741
742 var selectionRange = selection.getRangeAt(0);
743 if (selectionRange.commonAncestorContainer !== this.listItemElement && ! selectionRange.commonAncestorContainer.isDescendant(this.listItemElement))
744 return;
745
746 const styleValueDelimeters = " \t\n\"':;,/()";
747 var wordRange = selectionRange.startContainer.rangeOfWord(selectionRange .startOffset, styleValueDelimeters, this.listItemElement);
748 var wordString = wordRange.toString();
749 var replacementString = wordString;
750
751 var matches = /(.*?)(-?\d+(?:\.\d+)?)(.*)/.exec(wordString);
752 if (matches && matches.length) {
753 var prefix = matches[1];
754 var number = parseFloat(matches[2]);
755 var suffix = matches[3];
756
757 // If the number is near zero or the number is one and the direction will take it near zero.
758 var numberNearZero = (number < 1 && number > -1);
759 if (number === 1 && event.keyIdentifier === "Down")
760 numberNearZero = true;
761 else if (number === -1 && event.keyIdentifier === "Up")
762 numberNearZero = true;
763
764 if (numberNearZero && event.altKey && arrowKeyPressed) {
765 if (event.keyIdentifier === "Down")
766 number = Math.ceil(number - 1);
767 else
768 number = Math.floor(number + 1);
769 } else {
770 // Jump by 10 when shift is down or jump by 0.1 when near zero o r Alt/Option is down.
771 // Also jump by 10 for page up and down, or by 100 if shift is h eld with a page key.
772 var changeAmount = 1;
773 if (event.shiftKey && pageKeyPressed)
774 changeAmount = 100;
775 else if (event.shiftKey || pageKeyPressed)
776 changeAmount = 10;
777 else if (event.altKey || numberNearZero)
778 changeAmount = 0.1;
779
780 if (event.keyIdentifier === "Down" || event.keyIdentifier === "P ageDown")
781 changeAmount *= -1;
782
783 // Make the new number and constrain it to a precision of 6, thi s matches numbers the engine returns.
784 // Use the Number constructor to forget the fixed precision, so 1.100000 will print as 1.1.
785 number = Number((number + changeAmount).toFixed(6));
786 }
787
788 replacementString = prefix + number + suffix;
789 } else {
790 // FIXME: this should cycle through known keywords for the current p roperty name.
791 return;
792 }
793
794 var replacementTextNode = document.createTextNode(replacementString);
795
796 wordRange.deleteContents();
797 wordRange.insertNode(replacementTextNode);
798
799 var finalSelectionRange = document.createRange();
800 finalSelectionRange.setStart(replacementTextNode, 0);
801 finalSelectionRange.setEnd(replacementTextNode, replacementString.length );
802
803 selection.removeAllRanges();
804 selection.addRange(finalSelectionRange);
805
806 event.preventDefault();
807 event.handled = true;
808
809 if (!this.originalCSSText) {
810 // Remember the rule's original CSS text, so it can be restored
811 // if the editing is canceled and before each apply.
812 this.originalCSSText = getStyleTextWithShorthands(this.style);
813 } else {
814 // Restore the original CSS text before applying user changes. This is needed to prevent
815 // new properties from sticking around if the user adds one, then re moves it.
816 this.style.cssText = this.originalCSSText;
817 }
818
819 this.applyStyleText(this.listItemElement.textContent);
820 },
821
822 editingEnded: function(context)
823 {
824 this.hasChildren = context.hasChildren;
825 if (context.expanded)
826 this.expand();
827 delete this.listItemElement.handleKeyEvent;
828 delete this.originalCSSText;
829 },
830
831 editingCancelled: function(element, context)
832 {
833 if (this.originalCSSText) {
834 this.style.cssText = this.originalCSSText;
835
836 if (this.treeOutline.section && this.treeOutline.section.pane)
837 this.treeOutline.section.pane.dispatchEventToListeners("style ed ited");
838
839 this.updateAll();
840 } else
841 this.updateTitle();
842
843 this.editingEnded(context);
844 },
845
846 editingCommitted: function(element, userInput, previousContent, context)
847 {
848 this.editingEnded(context);
849
850 if (userInput === previousContent)
851 return; // nothing changed, so do nothing else
852
853 this.applyStyleText(userInput, true);
854 },
855
856 applyStyleText: function(styleText, updateInterface)
857 {
858 var styleTextLength = styleText.trimWhitespace().length;
859
860 // Create a new element to parse the user input CSS.
861 var parseElement = document.createElement("span");
862 parseElement.setAttribute("style", styleText);
863
864 var tempStyle = parseElement.style;
865 if (tempStyle.length || !styleTextLength) {
866 // The input was parsable or the user deleted everything, so remove the
867 // original property from the real style declaration. If this repres ents
868 // a shorthand remove all the longhand properties.
869 if (this.shorthand) {
870 var longhandProperties = getLonghandProperties(this.style, this. name);
871 for (var i = 0; i < longhandProperties.length; ++i)
872 this.style.removeProperty(longhandProperties[i]);
873 } else
874 this.style.removeProperty(this.name);
875 }
876
877 if (!styleTextLength) {
878 if (updateInterface) {
879 // The user deleted the everything, so remove the tree element a nd update.
880 if (this.treeOutline.section && this.treeOutline.section.pane)
881 this.treeOutline.section.pane.update();
882 this.parent.removeChild(this);
883 }
884 return;
885 }
886
887 if (!tempStyle.length) {
888 // The user typed something, but it didn't parse. Just abort and res tore
889 // the original title for this property.
890 if (updateInterface)
891 this.updateTitle();
892 return;
893 }
894
895 // Iterate of the properties on the test element's style declaration and
896 // add them to the real style declaration. We take care to move shorthan ds.
897 var foundShorthands = {};
898 var uniqueProperties = getUniqueStyleProperties(tempStyle);
899 for (var i = 0; i < uniqueProperties.length; ++i) {
900 var name = uniqueProperties[i];
901 var shorthand = tempStyle.getPropertyShorthand(name);
902
903 if (shorthand && shorthand in foundShorthands)
904 continue;
905
906 if (shorthand) {
907 var value = getShorthandValue(tempStyle, shorthand);
908 var priority = getShorthandPriority(tempStyle, shorthand);
909 foundShorthands[shorthand] = true;
910 } else {
911 var value = tempStyle.getPropertyValue(name);
912 var priority = tempStyle.getPropertyPriority(name);
913 }
914
915 // Set the property on the real style declaration.
916 this.style.setProperty((shorthand || name), value, priority);
917 }
918
919 if (this.treeOutline.section && this.treeOutline.section.pane)
920 this.treeOutline.section.pane.dispatchEventToListeners("style edited ");
921
922 if (updateInterface)
923 this.updateAll(true);
924 }
925 }
926
927 WebInspector.StylePropertyTreeElement.prototype.__proto__ = TreeElement.prototyp e;
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