Index: chrome/test/data/dromaeo/tests/v8-raytrace.html |
=================================================================== |
--- chrome/test/data/dromaeo/tests/v8-raytrace.html (revision 0) |
+++ chrome/test/data/dromaeo/tests/v8-raytrace.html (revision 0) |
@@ -0,0 +1,3444 @@ |
+<html> |
+<head> |
+<script src="../htmlrunner.js"></script> |
+<script> |
+// The ray tracer code in this file is written by Adam Burmister. It |
+// is available in its original form from: |
+// |
+// http://labs.flog.nz.co/raytracer/ |
+// |
+// It has been modified slightly by Google to work as a standalone |
+// benchmark, but the all the computational code remains |
+// untouched. This file also contains a copy of the Prototype |
+// JavaScript framework which is used by the ray tracer. |
+ |
+ |
+var checkNumber; |
+ |
+// Create dummy objects if we're not running in a browser. |
+if (typeof document == 'undefined') { |
+ document = { }; |
+ window = { opera: null }; |
+ navigator = { userAgent: null, appVersion: "" }; |
+} |
+ |
+ |
+// ------------------------------------------------------------------------ |
+// ------------------------------------------------------------------------ |
+ |
+ |
+/* Prototype JavaScript framework, version 1.5.0 |
+ * (c) 2005-2007 Sam Stephenson |
+ * |
+ * Prototype is freely distributable under the terms of an MIT-style license. |
+ * For details, see the Prototype web site: http://prototype.conio.net/ |
+ * |
+/*--------------------------------------------------------------------------*/ |
+ |
+//-------------------- |
+var Prototype = { |
+ Version: '1.5.0', |
+ BrowserFeatures: { |
+ XPath: !!document.evaluate |
+ }, |
+ |
+ ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', |
+ emptyFunction: function() {}, |
+ K: function(x) { return x } |
+} |
+ |
+var Class = { |
+ create: function() { |
+ return function() { |
+ this.initialize.apply(this, arguments); |
+ } |
+ } |
+} |
+ |
+var Abstract = new Object(); |
+ |
+Object.extend = function(destination, source) { |
+ for (var property in source) { |
+ destination[property] = source[property]; |
+ } |
+ return destination; |
+} |
+ |
+Object.extend(Object, { |
+ inspect: function(object) { |
+ try { |
+ if (object === undefined) return 'undefined'; |
+ if (object === null) return 'null'; |
+ return object.inspect ? object.inspect() : object.toString(); |
+ } catch (e) { |
+ if (e instanceof RangeError) return '...'; |
+ throw e; |
+ } |
+ }, |
+ |
+ keys: function(object) { |
+ var keys = []; |
+ for (var property in object) |
+ keys.push(property); |
+ return keys; |
+ }, |
+ |
+ values: function(object) { |
+ var values = []; |
+ for (var property in object) |
+ values.push(object[property]); |
+ return values; |
+ }, |
+ |
+ clone: function(object) { |
+ return Object.extend({}, object); |
+ } |
+}); |
+ |
+Function.prototype.bind = function() { |
+ var __method = this, args = $A(arguments), object = args.shift(); |
+ return function() { |
+ return __method.apply(object, args.concat($A(arguments))); |
+ } |
+} |
+ |
+Function.prototype.bindAsEventListener = function(object) { |
+ var __method = this, args = $A(arguments), object = args.shift(); |
+ return function(event) { |
+ return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments))); |
+ } |
+} |
+ |
+Object.extend(Number.prototype, { |
+ toColorPart: function() { |
+ var digits = this.toString(16); |
+ if (this < 16) return '0' + digits; |
+ return digits; |
+ }, |
+ |
+ succ: function() { |
+ return this + 1; |
+ }, |
+ |
+ times: function(iterator) { |
+ $R(0, this, true).each(iterator); |
+ return this; |
+ } |
+}); |
+ |
+var Try = { |
+ these: function() { |
+ var returnValue; |
+ |
+ for (var i = 0, length = arguments.length; i < length; i++) { |
+ var lambda = arguments[i]; |
+ try { |
+ returnValue = lambda(); |
+ break; |
+ } catch (e) {} |
+ } |
+ |
+ return returnValue; |
+ } |
+} |
+ |
+/*--------------------------------------------------------------------------*/ |
+ |
+var PeriodicalExecuter = Class.create(); |
+PeriodicalExecuter.prototype = { |
+ initialize: function(callback, frequency) { |
+ this.callback = callback; |
+ this.frequency = frequency; |
+ this.currentlyExecuting = false; |
+ |
+ this.registerCallback(); |
+ }, |
+ |
+ registerCallback: function() { |
+ this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
+ }, |
+ |
+ stop: function() { |
+ if (!this.timer) return; |
+ clearInterval(this.timer); |
+ this.timer = null; |
+ }, |
+ |
+ onTimerEvent: function() { |
+ if (!this.currentlyExecuting) { |
+ try { |
+ this.currentlyExecuting = true; |
+ this.callback(this); |
+ } finally { |
+ this.currentlyExecuting = false; |
+ } |
+ } |
+ } |
+} |
+String.interpret = function(value){ |
+ return value == null ? '' : String(value); |
+} |
+ |
+Object.extend(String.prototype, { |
+ gsub: function(pattern, replacement) { |
+ var result = '', source = this, match; |
+ replacement = arguments.callee.prepareReplacement(replacement); |
+ |
+ while (source.length > 0) { |
+ if (match = source.match(pattern)) { |
+ result += source.slice(0, match.index); |
+ result += String.interpret(replacement(match)); |
+ source = source.slice(match.index + match[0].length); |
+ } else { |
+ result += source, source = ''; |
+ } |
+ } |
+ return result; |
+ }, |
+ |
+ sub: function(pattern, replacement, count) { |
+ replacement = this.gsub.prepareReplacement(replacement); |
+ count = count === undefined ? 1 : count; |
+ |
+ return this.gsub(pattern, function(match) { |
+ if (--count < 0) return match[0]; |
+ return replacement(match); |
+ }); |
+ }, |
+ |
+ scan: function(pattern, iterator) { |
+ this.gsub(pattern, iterator); |
+ return this; |
+ }, |
+ |
+ truncate: function(length, truncation) { |
+ length = length || 30; |
+ truncation = truncation === undefined ? '...' : truncation; |
+ return this.length > length ? |
+ this.slice(0, length - truncation.length) + truncation : this; |
+ }, |
+ |
+ strip: function() { |
+ return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
+ }, |
+ |
+ stripTags: function() { |
+ return this.replace(/<\/?[^>]+>/gi, ''); |
+ }, |
+ |
+ stripScripts: function() { |
+ return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
+ }, |
+ |
+ extractScripts: function() { |
+ var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
+ var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
+ return (this.match(matchAll) || []).map(function(scriptTag) { |
+ return (scriptTag.match(matchOne) || ['', ''])[1]; |
+ }); |
+ }, |
+ |
+ evalScripts: function() { |
+ return this.extractScripts().map(function(script) { return eval(script) }); |
+ }, |
+ |
+ escapeHTML: function() { |
+ var div = document.createElement('div'); |
+ var text = document.createTextNode(this); |
+ div.appendChild(text); |
+ return div.innerHTML; |
+ }, |
+ |
+ unescapeHTML: function() { |
+ var div = document.createElement('div'); |
+ div.innerHTML = this.stripTags(); |
+ return div.childNodes[0] ? (div.childNodes.length > 1 ? |
+ $A(div.childNodes).inject('',function(memo,node){ return memo+node.nodeValue }) : |
+ div.childNodes[0].nodeValue) : ''; |
+ }, |
+ |
+ toQueryParams: function(separator) { |
+ var match = this.strip().match(/([^?#]*)(#.*)?$/); |
+ if (!match) return {}; |
+ |
+ return match[1].split(separator || '&').inject({}, function(hash, pair) { |
+ if ((pair = pair.split('='))[0]) { |
+ var name = decodeURIComponent(pair[0]); |
+ var value = pair[1] ? decodeURIComponent(pair[1]) : undefined; |
+ |
+ if (hash[name] !== undefined) { |
+ if (hash[name].constructor != Array) |
+ hash[name] = [hash[name]]; |
+ if (value) hash[name].push(value); |
+ } |
+ else hash[name] = value; |
+ } |
+ return hash; |
+ }); |
+ }, |
+ |
+ toArray: function() { |
+ return this.split(''); |
+ }, |
+ |
+ succ: function() { |
+ return this.slice(0, this.length - 1) + |
+ String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
+ }, |
+ |
+ camelize: function() { |
+ var parts = this.split('-'), len = parts.length; |
+ if (len == 1) return parts[0]; |
+ |
+ var camelized = this.charAt(0) == '-' |
+ ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
+ : parts[0]; |
+ |
+ for (var i = 1; i < len; i++) |
+ camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
+ |
+ return camelized; |
+ }, |
+ |
+ capitalize: function(){ |
+ return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
+ }, |
+ |
+ underscore: function() { |
+ return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); |
+ }, |
+ |
+ dasherize: function() { |
+ return this.gsub(/_/,'-'); |
+ }, |
+ |
+ inspect: function(useDoubleQuotes) { |
+ var escapedString = this.replace(/\\/g, '\\\\'); |
+ if (useDoubleQuotes) |
+ return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
+ else |
+ return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
+ } |
+}); |
+ |
+String.prototype.gsub.prepareReplacement = function(replacement) { |
+ if (typeof replacement == 'function') return replacement; |
+ var template = new Template(replacement); |
+ return function(match) { return template.evaluate(match) }; |
+} |
+ |
+String.prototype.parseQuery = String.prototype.toQueryParams; |
+ |
+var Template = Class.create(); |
+Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
+Template.prototype = { |
+ initialize: function(template, pattern) { |
+ this.template = template.toString(); |
+ this.pattern = pattern || Template.Pattern; |
+ }, |
+ |
+ evaluate: function(object) { |
+ return this.template.gsub(this.pattern, function(match) { |
+ var before = match[1]; |
+ if (before == '\\') return match[2]; |
+ return before + String.interpret(object[match[3]]); |
+ }); |
+ } |
+} |
+ |
+var $break = new Object(); |
+var $continue = new Object(); |
+ |
+var Enumerable = { |
+ each: function(iterator) { |
+ var index = 0; |
+ try { |
+ this._each(function(value) { |
+ try { |
+ iterator(value, index++); |
+ } catch (e) { |
+ if (e != $continue) throw e; |
+ } |
+ }); |
+ } catch (e) { |
+ if (e != $break) throw e; |
+ } |
+ return this; |
+ }, |
+ |
+ eachSlice: function(number, iterator) { |
+ var index = -number, slices = [], array = this.toArray(); |
+ while ((index += number) < array.length) |
+ slices.push(array.slice(index, index+number)); |
+ return slices.map(iterator); |
+ }, |
+ |
+ all: function(iterator) { |
+ var result = true; |
+ this.each(function(value, index) { |
+ result = result && !!(iterator || Prototype.K)(value, index); |
+ if (!result) throw $break; |
+ }); |
+ return result; |
+ }, |
+ |
+ any: function(iterator) { |
+ var result = false; |
+ this.each(function(value, index) { |
+ if (result = !!(iterator || Prototype.K)(value, index)) |
+ throw $break; |
+ }); |
+ return result; |
+ }, |
+ |
+ collect: function(iterator) { |
+ var results = []; |
+ this.each(function(value, index) { |
+ results.push((iterator || Prototype.K)(value, index)); |
+ }); |
+ return results; |
+ }, |
+ |
+ detect: function(iterator) { |
+ var result; |
+ this.each(function(value, index) { |
+ if (iterator(value, index)) { |
+ result = value; |
+ throw $break; |
+ } |
+ }); |
+ return result; |
+ }, |
+ |
+ findAll: function(iterator) { |
+ var results = []; |
+ this.each(function(value, index) { |
+ if (iterator(value, index)) |
+ results.push(value); |
+ }); |
+ return results; |
+ }, |
+ |
+ grep: function(pattern, iterator) { |
+ var results = []; |
+ this.each(function(value, index) { |
+ var stringValue = value.toString(); |
+ if (stringValue.match(pattern)) |
+ results.push((iterator || Prototype.K)(value, index)); |
+ }) |
+ return results; |
+ }, |
+ |
+ include: function(object) { |
+ var found = false; |
+ this.each(function(value) { |
+ if (value == object) { |
+ found = true; |
+ throw $break; |
+ } |
+ }); |
+ return found; |
+ }, |
+ |
+ inGroupsOf: function(number, fillWith) { |
+ fillWith = fillWith === undefined ? null : fillWith; |
+ return this.eachSlice(number, function(slice) { |
+ while(slice.length < number) slice.push(fillWith); |
+ return slice; |
+ }); |
+ }, |
+ |
+ inject: function(memo, iterator) { |
+ this.each(function(value, index) { |
+ memo = iterator(memo, value, index); |
+ }); |
+ return memo; |
+ }, |
+ |
+ invoke: function(method) { |
+ var args = $A(arguments).slice(1); |
+ return this.map(function(value) { |
+ return value[method].apply(value, args); |
+ }); |
+ }, |
+ |
+ max: function(iterator) { |
+ var result; |
+ this.each(function(value, index) { |
+ value = (iterator || Prototype.K)(value, index); |
+ if (result == undefined || value >= result) |
+ result = value; |
+ }); |
+ return result; |
+ }, |
+ |
+ min: function(iterator) { |
+ var result; |
+ this.each(function(value, index) { |
+ value = (iterator || Prototype.K)(value, index); |
+ if (result == undefined || value < result) |
+ result = value; |
+ }); |
+ return result; |
+ }, |
+ |
+ partition: function(iterator) { |
+ var trues = [], falses = []; |
+ this.each(function(value, index) { |
+ ((iterator || Prototype.K)(value, index) ? |
+ trues : falses).push(value); |
+ }); |
+ return [trues, falses]; |
+ }, |
+ |
+ pluck: function(property) { |
+ var results = []; |
+ this.each(function(value, index) { |
+ results.push(value[property]); |
+ }); |
+ return results; |
+ }, |
+ |
+ reject: function(iterator) { |
+ var results = []; |
+ this.each(function(value, index) { |
+ if (!iterator(value, index)) |
+ results.push(value); |
+ }); |
+ return results; |
+ }, |
+ |
+ sortBy: function(iterator) { |
+ return this.map(function(value, index) { |
+ return {value: value, criteria: iterator(value, index)}; |
+ }).sort(function(left, right) { |
+ var a = left.criteria, b = right.criteria; |
+ return a < b ? -1 : a > b ? 1 : 0; |
+ }).pluck('value'); |
+ }, |
+ |
+ toArray: function() { |
+ return this.map(); |
+ }, |
+ |
+ zip: function() { |
+ var iterator = Prototype.K, args = $A(arguments); |
+ if (typeof args.last() == 'function') |
+ iterator = args.pop(); |
+ |
+ var collections = [this].concat(args).map($A); |
+ return this.map(function(value, index) { |
+ return iterator(collections.pluck(index)); |
+ }); |
+ }, |
+ |
+ size: function() { |
+ return this.toArray().length; |
+ }, |
+ |
+ inspect: function() { |
+ return '#<Enumerable:' + this.toArray().inspect() + '>'; |
+ } |
+} |
+ |
+Object.extend(Enumerable, { |
+ map: Enumerable.collect, |
+ find: Enumerable.detect, |
+ select: Enumerable.findAll, |
+ member: Enumerable.include, |
+ entries: Enumerable.toArray |
+}); |
+var $A = Array.from = function(iterable) { |
+ if (!iterable) return []; |
+ if (iterable.toArray) { |
+ return iterable.toArray(); |
+ } else { |
+ var results = []; |
+ for (var i = 0, length = iterable.length; i < length; i++) |
+ results.push(iterable[i]); |
+ return results; |
+ } |
+} |
+ |
+Object.extend(Array.prototype, Enumerable); |
+ |
+if (!Array.prototype._reverse) |
+ Array.prototype._reverse = Array.prototype.reverse; |
+ |
+Object.extend(Array.prototype, { |
+ _each: function(iterator) { |
+ for (var i = 0, length = this.length; i < length; i++) |
+ iterator(this[i]); |
+ }, |
+ |
+ clear: function() { |
+ this.length = 0; |
+ return this; |
+ }, |
+ |
+ first: function() { |
+ return this[0]; |
+ }, |
+ |
+ last: function() { |
+ return this[this.length - 1]; |
+ }, |
+ |
+ compact: function() { |
+ return this.select(function(value) { |
+ return value != null; |
+ }); |
+ }, |
+ |
+ flatten: function() { |
+ return this.inject([], function(array, value) { |
+ return array.concat(value && value.constructor == Array ? |
+ value.flatten() : [value]); |
+ }); |
+ }, |
+ |
+ without: function() { |
+ var values = $A(arguments); |
+ return this.select(function(value) { |
+ return !values.include(value); |
+ }); |
+ }, |
+ |
+ indexOf: function(object) { |
+ for (var i = 0, length = this.length; i < length; i++) |
+ if (this[i] == object) return i; |
+ return -1; |
+ }, |
+ |
+ reverse: function(inline) { |
+ return (inline !== false ? this : this.toArray())._reverse(); |
+ }, |
+ |
+ reduce: function() { |
+ return this.length > 1 ? this : this[0]; |
+ }, |
+ |
+ uniq: function() { |
+ return this.inject([], function(array, value) { |
+ return array.include(value) ? array : array.concat([value]); |
+ }); |
+ }, |
+ |
+ clone: function() { |
+ return [].concat(this); |
+ }, |
+ |
+ size: function() { |
+ return this.length; |
+ }, |
+ |
+ inspect: function() { |
+ return '[' + this.map(Object.inspect).join(', ') + ']'; |
+ } |
+}); |
+ |
+Array.prototype.toArray = Array.prototype.clone; |
+ |
+function $w(string){ |
+ string = string.strip(); |
+ return string ? string.split(/\s+/) : []; |
+} |
+ |
+if(window.opera){ |
+ Array.prototype.concat = function(){ |
+ var array = []; |
+ for(var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
+ for(var i = 0, length = arguments.length; i < length; i++) { |
+ if(arguments[i].constructor == Array) { |
+ for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
+ array.push(arguments[i][j]); |
+ } else { |
+ array.push(arguments[i]); |
+ } |
+ } |
+ return array; |
+ } |
+} |
+var Hash = function(obj) { |
+ Object.extend(this, obj || {}); |
+}; |
+ |
+Object.extend(Hash, { |
+ toQueryString: function(obj) { |
+ var parts = []; |
+ |
+ this.prototype._each.call(obj, function(pair) { |
+ if (!pair.key) return; |
+ |
+ if (pair.value && pair.value.constructor == Array) { |
+ var values = pair.value.compact(); |
+ if (values.length < 2) pair.value = values.reduce(); |
+ else { |
+ key = encodeURIComponent(pair.key); |
+ values.each(function(value) { |
+ value = value != undefined ? encodeURIComponent(value) : ''; |
+ parts.push(key + '=' + encodeURIComponent(value)); |
+ }); |
+ return; |
+ } |
+ } |
+ if (pair.value == undefined) pair[1] = ''; |
+ parts.push(pair.map(encodeURIComponent).join('=')); |
+ }); |
+ |
+ return parts.join('&'); |
+ } |
+}); |
+ |
+Object.extend(Hash.prototype, Enumerable); |
+Object.extend(Hash.prototype, { |
+ _each: function(iterator) { |
+ for (var key in this) { |
+ var value = this[key]; |
+ if (value && value == Hash.prototype[key]) continue; |
+ |
+ var pair = [key, value]; |
+ pair.key = key; |
+ pair.value = value; |
+ iterator(pair); |
+ } |
+ }, |
+ |
+ keys: function() { |
+ return this.pluck('key'); |
+ }, |
+ |
+ values: function() { |
+ return this.pluck('value'); |
+ }, |
+ |
+ merge: function(hash) { |
+ return $H(hash).inject(this, function(mergedHash, pair) { |
+ mergedHash[pair.key] = pair.value; |
+ return mergedHash; |
+ }); |
+ }, |
+ |
+ remove: function() { |
+ var result; |
+ for(var i = 0, length = arguments.length; i < length; i++) { |
+ var value = this[arguments[i]]; |
+ if (value !== undefined){ |
+ if (result === undefined) result = value; |
+ else { |
+ if (result.constructor != Array) result = [result]; |
+ result.push(value) |
+ } |
+ } |
+ delete this[arguments[i]]; |
+ } |
+ return result; |
+ }, |
+ |
+ toQueryString: function() { |
+ return Hash.toQueryString(this); |
+ }, |
+ |
+ inspect: function() { |
+ return '#<Hash:{' + this.map(function(pair) { |
+ return pair.map(Object.inspect).join(': '); |
+ }).join(', ') + '}>'; |
+ } |
+}); |
+ |
+function $H(object) { |
+ if (object && object.constructor == Hash) return object; |
+ return new Hash(object); |
+}; |
+ObjectRange = Class.create(); |
+Object.extend(ObjectRange.prototype, Enumerable); |
+Object.extend(ObjectRange.prototype, { |
+ initialize: function(start, end, exclusive) { |
+ this.start = start; |
+ this.end = end; |
+ this.exclusive = exclusive; |
+ }, |
+ |
+ _each: function(iterator) { |
+ var value = this.start; |
+ while (this.include(value)) { |
+ iterator(value); |
+ value = value.succ(); |
+ } |
+ }, |
+ |
+ include: function(value) { |
+ if (value < this.start) |
+ return false; |
+ if (this.exclusive) |
+ return value < this.end; |
+ return value <= this.end; |
+ } |
+}); |
+ |
+var $R = function(start, end, exclusive) { |
+ return new ObjectRange(start, end, exclusive); |
+} |
+ |
+var Ajax = { |
+ getTransport: function() { |
+ return Try.these( |
+ function() {return new XMLHttpRequest()}, |
+ function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
+ function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
+ ) || false; |
+ }, |
+ |
+ activeRequestCount: 0 |
+} |
+ |
+Ajax.Responders = { |
+ responders: [], |
+ |
+ _each: function(iterator) { |
+ this.responders._each(iterator); |
+ }, |
+ |
+ register: function(responder) { |
+ if (!this.include(responder)) |
+ this.responders.push(responder); |
+ }, |
+ |
+ unregister: function(responder) { |
+ this.responders = this.responders.without(responder); |
+ }, |
+ |
+ dispatch: function(callback, request, transport, json) { |
+ this.each(function(responder) { |
+ if (typeof responder[callback] == 'function') { |
+ try { |
+ responder[callback].apply(responder, [request, transport, json]); |
+ } catch (e) {} |
+ } |
+ }); |
+ } |
+}; |
+ |
+Object.extend(Ajax.Responders, Enumerable); |
+ |
+Ajax.Responders.register({ |
+ onCreate: function() { |
+ Ajax.activeRequestCount++; |
+ }, |
+ onComplete: function() { |
+ Ajax.activeRequestCount--; |
+ } |
+}); |
+ |
+Ajax.Base = function() {}; |
+Ajax.Base.prototype = { |
+ setOptions: function(options) { |
+ this.options = { |
+ method: 'post', |
+ asynchronous: true, |
+ contentType: 'application/x-www-form-urlencoded', |
+ encoding: 'UTF-8', |
+ parameters: '' |
+ } |
+ Object.extend(this.options, options || {}); |
+ |
+ this.options.method = this.options.method.toLowerCase(); |
+ if (typeof this.options.parameters == 'string') |
+ this.options.parameters = this.options.parameters.toQueryParams(); |
+ } |
+} |
+ |
+Ajax.Request = Class.create(); |
+Ajax.Request.Events = |
+ ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
+ |
+Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
+ _complete: false, |
+ |
+ initialize: function(url, options) { |
+ this.transport = Ajax.getTransport(); |
+ this.setOptions(options); |
+ this.request(url); |
+ }, |
+ |
+ request: function(url) { |
+ this.url = url; |
+ this.method = this.options.method; |
+ var params = this.options.parameters; |
+ |
+ if (!['get', 'post'].include(this.method)) { |
+ // simulate other verbs over post |
+ params['_method'] = this.method; |
+ this.method = 'post'; |
+ } |
+ |
+ params = Hash.toQueryString(params); |
+ if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_=' |
+ |
+ // when GET, append parameters to URL |
+ if (this.method == 'get' && params) |
+ this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params; |
+ |
+ try { |
+ Ajax.Responders.dispatch('onCreate', this, this.transport); |
+ |
+ this.transport.open(this.method.toUpperCase(), this.url, |
+ this.options.asynchronous); |
+ |
+ if (this.options.asynchronous) |
+ setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); |
+ |
+ this.transport.onreadystatechange = this.onStateChange.bind(this); |
+ this.setRequestHeaders(); |
+ |
+ var body = this.method == 'post' ? (this.options.postBody || params) : null; |
+ |
+ this.transport.send(body); |
+ |
+ /* Force Firefox to handle ready state 4 for synchronous requests */ |
+ if (!this.options.asynchronous && this.transport.overrideMimeType) |
+ this.onStateChange(); |
+ |
+ } |
+ catch (e) { |
+ this.dispatchException(e); |
+ } |
+ }, |
+ |
+ onStateChange: function() { |
+ var readyState = this.transport.readyState; |
+ if (readyState > 1 && !((readyState == 4) && this._complete)) |
+ this.respondToReadyState(this.transport.readyState); |
+ }, |
+ |
+ setRequestHeaders: function() { |
+ var headers = { |
+ 'X-Requested-With': 'XMLHttpRequest', |
+ 'X-Prototype-Version': Prototype.Version, |
+ 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
+ }; |
+ |
+ if (this.method == 'post') { |
+ headers['Content-type'] = this.options.contentType + |
+ (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
+ |
+ /* Force "Connection: close" for older Mozilla browsers to work |
+ * around a bug where XMLHttpRequest sends an incorrect |
+ * Content-length header. See Mozilla Bugzilla #246651. |
+ */ |
+ if (this.transport.overrideMimeType && |
+ (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
+ headers['Connection'] = 'close'; |
+ } |
+ |
+ // user-defined headers |
+ if (typeof this.options.requestHeaders == 'object') { |
+ var extras = this.options.requestHeaders; |
+ |
+ if (typeof extras.push == 'function') |
+ for (var i = 0, length = extras.length; i < length; i += 2) |
+ headers[extras[i]] = extras[i+1]; |
+ else |
+ $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
+ } |
+ |
+ for (var name in headers) |
+ this.transport.setRequestHeader(name, headers[name]); |
+ }, |
+ |
+ success: function() { |
+ return !this.transport.status |
+ || (this.transport.status >= 200 && this.transport.status < 300); |
+ }, |
+ |
+ respondToReadyState: function(readyState) { |
+ var state = Ajax.Request.Events[readyState]; |
+ var transport = this.transport, json = this.evalJSON(); |
+ |
+ if (state == 'Complete') { |
+ try { |
+ this._complete = true; |
+ (this.options['on' + this.transport.status] |
+ || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
+ || Prototype.emptyFunction)(transport, json); |
+ } catch (e) { |
+ this.dispatchException(e); |
+ } |
+ |
+ if ((this.getHeader('Content-type') || 'text/javascript').strip(). |
+ match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) |
+ this.evalResponse(); |
+ } |
+ |
+ try { |
+ (this.options['on' + state] || Prototype.emptyFunction)(transport, json); |
+ Ajax.Responders.dispatch('on' + state, this, transport, json); |
+ } catch (e) { |
+ this.dispatchException(e); |
+ } |
+ |
+ if (state == 'Complete') { |
+ // avoid memory leak in MSIE: clean up |
+ this.transport.onreadystatechange = Prototype.emptyFunction; |
+ } |
+ }, |
+ |
+ getHeader: function(name) { |
+ try { |
+ return this.transport.getResponseHeader(name); |
+ } catch (e) { return null } |
+ }, |
+ |
+ evalJSON: function() { |
+ try { |
+ var json = this.getHeader('X-JSON'); |
+ return json ? eval('(' + json + ')') : null; |
+ } catch (e) { return null } |
+ }, |
+ |
+ evalResponse: function() { |
+ try { |
+ return eval(this.transport.responseText); |
+ } catch (e) { |
+ this.dispatchException(e); |
+ } |
+ }, |
+ |
+ dispatchException: function(exception) { |
+ (this.options.onException || Prototype.emptyFunction)(this, exception); |
+ Ajax.Responders.dispatch('onException', this, exception); |
+ } |
+}); |
+ |
+Ajax.Updater = Class.create(); |
+ |
+Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
+ initialize: function(container, url, options) { |
+ this.container = { |
+ success: (container.success || container), |
+ failure: (container.failure || (container.success ? null : container)) |
+ } |
+ |
+ this.transport = Ajax.getTransport(); |
+ this.setOptions(options); |
+ |
+ var onComplete = this.options.onComplete || Prototype.emptyFunction; |
+ this.options.onComplete = (function(transport, param) { |
+ this.updateContent(); |
+ onComplete(transport, param); |
+ }).bind(this); |
+ |
+ this.request(url); |
+ }, |
+ |
+ updateContent: function() { |
+ var receiver = this.container[this.success() ? 'success' : 'failure']; |
+ var response = this.transport.responseText; |
+ |
+ if (!this.options.evalScripts) response = response.stripScripts(); |
+ |
+ if (receiver = $(receiver)) { |
+ if (this.options.insertion) |
+ new this.options.insertion(receiver, response); |
+ else |
+ receiver.update(response); |
+ } |
+ |
+ if (this.success()) { |
+ if (this.onComplete) |
+ setTimeout(this.onComplete.bind(this), 10); |
+ } |
+ } |
+}); |
+ |
+Ajax.PeriodicalUpdater = Class.create(); |
+Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { |
+ initialize: function(container, url, options) { |
+ this.setOptions(options); |
+ this.onComplete = this.options.onComplete; |
+ |
+ this.frequency = (this.options.frequency || 2); |
+ this.decay = (this.options.decay || 1); |
+ |
+ this.updater = {}; |
+ this.container = container; |
+ this.url = url; |
+ |
+ this.start(); |
+ }, |
+ |
+ start: function() { |
+ this.options.onComplete = this.updateComplete.bind(this); |
+ this.onTimerEvent(); |
+ }, |
+ |
+ stop: function() { |
+ this.updater.options.onComplete = undefined; |
+ clearTimeout(this.timer); |
+ (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
+ }, |
+ |
+ updateComplete: function(request) { |
+ if (this.options.decay) { |
+ this.decay = (request.responseText == this.lastText ? |
+ this.decay * this.options.decay : 1); |
+ |
+ this.lastText = request.responseText; |
+ } |
+ this.timer = setTimeout(this.onTimerEvent.bind(this), |
+ this.decay * this.frequency * 1000); |
+ }, |
+ |
+ onTimerEvent: function() { |
+ this.updater = new Ajax.Updater(this.container, this.url, this.options); |
+ } |
+}); |
+function $(element) { |
+ if (arguments.length > 1) { |
+ for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
+ elements.push($(arguments[i])); |
+ return elements; |
+ } |
+ if (typeof element == 'string') |
+ element = document.getElementById(element); |
+ return Element.extend(element); |
+} |
+ |
+if (Prototype.BrowserFeatures.XPath) { |
+ document._getElementsByXPath = function(expression, parentElement) { |
+ var results = []; |
+ var query = document.evaluate(expression, $(parentElement) || document, |
+ null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
+ for (var i = 0, length = query.snapshotLength; i < length; i++) |
+ results.push(query.snapshotItem(i)); |
+ return results; |
+ }; |
+} |
+ |
+document.getElementsByClassName = function(className, parentElement) { |
+ if (Prototype.BrowserFeatures.XPath) { |
+ var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; |
+ return document._getElementsByXPath(q, parentElement); |
+ } else { |
+ var children = ($(parentElement) || document.body).getElementsByTagName('*'); |
+ var elements = [], child; |
+ for (var i = 0, length = children.length; i < length; i++) { |
+ child = children[i]; |
+ if (Element.hasClassName(child, className)) |
+ elements.push(Element.extend(child)); |
+ } |
+ return elements; |
+ } |
+}; |
+ |
+/*--------------------------------------------------------------------------*/ |
+ |
+if (!window.Element) |
+ var Element = new Object(); |
+ |
+Element.extend = function(element) { |
+ if (!element || _nativeExtensions || element.nodeType == 3) return element; |
+ |
+ if (!element._extended && element.tagName && element != window) { |
+ var methods = Object.clone(Element.Methods), cache = Element.extend.cache; |
+ |
+ if (element.tagName == 'FORM') |
+ Object.extend(methods, Form.Methods); |
+ if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName)) |
+ Object.extend(methods, Form.Element.Methods); |
+ |
+ Object.extend(methods, Element.Methods.Simulated); |
+ |
+ for (var property in methods) { |
+ var value = methods[property]; |
+ if (typeof value == 'function' && !(property in element)) |
+ element[property] = cache.findOrStore(value); |
+ } |
+ } |
+ |
+ element._extended = true; |
+ return element; |
+}; |
+ |
+Element.extend.cache = { |
+ findOrStore: function(value) { |
+ return this[value] = this[value] || function() { |
+ return value.apply(null, [this].concat($A(arguments))); |
+ } |
+ } |
+}; |
+ |
+Element.Methods = { |
+ visible: function(element) { |
+ return $(element).style.display != 'none'; |
+ }, |
+ |
+ toggle: function(element) { |
+ element = $(element); |
+ Element[Element.visible(element) ? 'hide' : 'show'](element); |
+ return element; |
+ }, |
+ |
+ hide: function(element) { |
+ $(element).style.display = 'none'; |
+ return element; |
+ }, |
+ |
+ show: function(element) { |
+ $(element).style.display = ''; |
+ return element; |
+ }, |
+ |
+ remove: function(element) { |
+ element = $(element); |
+ element.parentNode.removeChild(element); |
+ return element; |
+ }, |
+ |
+ update: function(element, html) { |
+ html = typeof html == 'undefined' ? '' : html.toString(); |
+ $(element).innerHTML = html.stripScripts(); |
+ setTimeout(function() {html.evalScripts()}, 10); |
+ return element; |
+ }, |
+ |
+ replace: function(element, html) { |
+ element = $(element); |
+ html = typeof html == 'undefined' ? '' : html.toString(); |
+ if (element.outerHTML) { |
+ element.outerHTML = html.stripScripts(); |
+ } else { |
+ var range = element.ownerDocument.createRange(); |
+ range.selectNodeContents(element); |
+ element.parentNode.replaceChild( |
+ range.createContextualFragment(html.stripScripts()), element); |
+ } |
+ setTimeout(function() {html.evalScripts()}, 10); |
+ return element; |
+ }, |
+ |
+ inspect: function(element) { |
+ element = $(element); |
+ var result = '<' + element.tagName.toLowerCase(); |
+ $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
+ var property = pair.first(), attribute = pair.last(); |
+ var value = (element[property] || '').toString(); |
+ if (value) result += ' ' + attribute + '=' + value.inspect(true); |
+ }); |
+ return result + '>'; |
+ }, |
+ |
+ recursivelyCollect: function(element, property) { |
+ element = $(element); |
+ var elements = []; |
+ while (element = element[property]) |
+ if (element.nodeType == 1) |
+ elements.push(Element.extend(element)); |
+ return elements; |
+ }, |
+ |
+ ancestors: function(element) { |
+ return $(element).recursivelyCollect('parentNode'); |
+ }, |
+ |
+ descendants: function(element) { |
+ return $A($(element).getElementsByTagName('*')); |
+ }, |
+ |
+ immediateDescendants: function(element) { |
+ if (!(element = $(element).firstChild)) return []; |
+ while (element && element.nodeType != 1) element = element.nextSibling; |
+ if (element) return [element].concat($(element).nextSiblings()); |
+ return []; |
+ }, |
+ |
+ previousSiblings: function(element) { |
+ return $(element).recursivelyCollect('previousSibling'); |
+ }, |
+ |
+ nextSiblings: function(element) { |
+ return $(element).recursivelyCollect('nextSibling'); |
+ }, |
+ |
+ siblings: function(element) { |
+ element = $(element); |
+ return element.previousSiblings().reverse().concat(element.nextSiblings()); |
+ }, |
+ |
+ match: function(element, selector) { |
+ if (typeof selector == 'string') |
+ selector = new Selector(selector); |
+ return selector.match($(element)); |
+ }, |
+ |
+ up: function(element, expression, index) { |
+ return Selector.findElement($(element).ancestors(), expression, index); |
+ }, |
+ |
+ down: function(element, expression, index) { |
+ return Selector.findElement($(element).descendants(), expression, index); |
+ }, |
+ |
+ previous: function(element, expression, index) { |
+ return Selector.findElement($(element).previousSiblings(), expression, index); |
+ }, |
+ |
+ next: function(element, expression, index) { |
+ return Selector.findElement($(element).nextSiblings(), expression, index); |
+ }, |
+ |
+ getElementsBySelector: function() { |
+ var args = $A(arguments), element = $(args.shift()); |
+ return Selector.findChildElements(element, args); |
+ }, |
+ |
+ getElementsByClassName: function(element, className) { |
+ return document.getElementsByClassName(className, element); |
+ }, |
+ |
+ readAttribute: function(element, name) { |
+ element = $(element); |
+ if (document.all && !window.opera) { |
+ var t = Element._attributeTranslations; |
+ if (t.values[name]) return t.values[name](element, name); |
+ if (t.names[name]) name = t.names[name]; |
+ var attribute = element.attributes[name]; |
+ if(attribute) return attribute.nodeValue; |
+ } |
+ return element.getAttribute(name); |
+ }, |
+ |
+ getHeight: function(element) { |
+ return $(element).getDimensions().height; |
+ }, |
+ |
+ getWidth: function(element) { |
+ return $(element).getDimensions().width; |
+ }, |
+ |
+ classNames: function(element) { |
+ return new Element.ClassNames(element); |
+ }, |
+ |
+ hasClassName: function(element, className) { |
+ if (!(element = $(element))) return; |
+ var elementClassName = element.className; |
+ if (elementClassName.length == 0) return false; |
+ if (elementClassName == className || |
+ elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) |
+ return true; |
+ return false; |
+ }, |
+ |
+ addClassName: function(element, className) { |
+ if (!(element = $(element))) return; |
+ Element.classNames(element).add(className); |
+ return element; |
+ }, |
+ |
+ removeClassName: function(element, className) { |
+ if (!(element = $(element))) return; |
+ Element.classNames(element).remove(className); |
+ return element; |
+ }, |
+ |
+ toggleClassName: function(element, className) { |
+ if (!(element = $(element))) return; |
+ Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); |
+ return element; |
+ }, |
+ |
+ observe: function() { |
+ Event.observe.apply(Event, arguments); |
+ return $A(arguments).first(); |
+ }, |
+ |
+ stopObserving: function() { |
+ Event.stopObserving.apply(Event, arguments); |
+ return $A(arguments).first(); |
+ }, |
+ |
+ // removes whitespace-only text node children |
+ cleanWhitespace: function(element) { |
+ element = $(element); |
+ var node = element.firstChild; |
+ while (node) { |
+ var nextNode = node.nextSibling; |
+ if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
+ element.removeChild(node); |
+ node = nextNode; |
+ } |
+ return element; |
+ }, |
+ |
+ empty: function(element) { |
+ return $(element).innerHTML.match(/^\s*$/); |
+ }, |
+ |
+ descendantOf: function(element, ancestor) { |
+ element = $(element), ancestor = $(ancestor); |
+ while (element = element.parentNode) |
+ if (element == ancestor) return true; |
+ return false; |
+ }, |
+ |
+ scrollTo: function(element) { |
+ element = $(element); |
+ var pos = Position.cumulativeOffset(element); |
+ window.scrollTo(pos[0], pos[1]); |
+ return element; |
+ }, |
+ |
+ getStyle: function(element, style) { |
+ element = $(element); |
+ if (['float','cssFloat'].include(style)) |
+ style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat'); |
+ style = style.camelize(); |
+ var value = element.style[style]; |
+ if (!value) { |
+ if (document.defaultView && document.defaultView.getComputedStyle) { |
+ var css = document.defaultView.getComputedStyle(element, null); |
+ value = css ? css[style] : null; |
+ } else if (element.currentStyle) { |
+ value = element.currentStyle[style]; |
+ } |
+ } |
+ |
+ if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none')) |
+ value = element['offset'+style.capitalize()] + 'px'; |
+ |
+ if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) |
+ if (Element.getStyle(element, 'position') == 'static') value = 'auto'; |
+ if(style == 'opacity') { |
+ if(value) return parseFloat(value); |
+ if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
+ if(value[1]) return parseFloat(value[1]) / 100; |
+ return 1.0; |
+ } |
+ return value == 'auto' ? null : value; |
+ }, |
+ |
+ setStyle: function(element, style) { |
+ element = $(element); |
+ for (var name in style) { |
+ var value = style[name]; |
+ if(name == 'opacity') { |
+ if (value == 1) { |
+ value = (/Gecko/.test(navigator.userAgent) && |
+ !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0; |
+ if(/MSIE/.test(navigator.userAgent) && !window.opera) |
+ element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); |
+ } else if(value == '') { |
+ if(/MSIE/.test(navigator.userAgent) && !window.opera) |
+ element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); |
+ } else { |
+ if(value < 0.00001) value = 0; |
+ if(/MSIE/.test(navigator.userAgent) && !window.opera) |
+ element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') + |
+ 'alpha(opacity='+value*100+')'; |
+ } |
+ } else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat'; |
+ element.style[name.camelize()] = value; |
+ } |
+ return element; |
+ }, |
+ |
+ getDimensions: function(element) { |
+ element = $(element); |
+ var display = $(element).getStyle('display'); |
+ if (display != 'none' && display != null) // Safari bug |
+ return {width: element.offsetWidth, height: element.offsetHeight}; |
+ |
+ // All *Width and *Height properties give 0 on elements with display none, |
+ // so enable the element temporarily |
+ var els = element.style; |
+ var originalVisibility = els.visibility; |
+ var originalPosition = els.position; |
+ var originalDisplay = els.display; |
+ els.visibility = 'hidden'; |
+ els.position = 'absolute'; |
+ els.display = 'block'; |
+ var originalWidth = element.clientWidth; |
+ var originalHeight = element.clientHeight; |
+ els.display = originalDisplay; |
+ els.position = originalPosition; |
+ els.visibility = originalVisibility; |
+ return {width: originalWidth, height: originalHeight}; |
+ }, |
+ |
+ makePositioned: function(element) { |
+ element = $(element); |
+ var pos = Element.getStyle(element, 'position'); |
+ if (pos == 'static' || !pos) { |
+ element._madePositioned = true; |
+ element.style.position = 'relative'; |
+ // Opera returns the offset relative to the positioning context, when an |
+ // element is position relative but top and left have not been defined |
+ if (window.opera) { |
+ element.style.top = 0; |
+ element.style.left = 0; |
+ } |
+ } |
+ return element; |
+ }, |
+ |
+ undoPositioned: function(element) { |
+ element = $(element); |
+ if (element._madePositioned) { |
+ element._madePositioned = undefined; |
+ element.style.position = |
+ element.style.top = |
+ element.style.left = |
+ element.style.bottom = |
+ element.style.right = ''; |
+ } |
+ return element; |
+ }, |
+ |
+ makeClipping: function(element) { |
+ element = $(element); |
+ if (element._overflow) return element; |
+ element._overflow = element.style.overflow || 'auto'; |
+ if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') |
+ element.style.overflow = 'hidden'; |
+ return element; |
+ }, |
+ |
+ undoClipping: function(element) { |
+ element = $(element); |
+ if (!element._overflow) return element; |
+ element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
+ element._overflow = null; |
+ return element; |
+ } |
+}; |
+ |
+Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf}); |
+ |
+Element._attributeTranslations = {}; |
+ |
+Element._attributeTranslations.names = { |
+ colspan: "colSpan", |
+ rowspan: "rowSpan", |
+ valign: "vAlign", |
+ datetime: "dateTime", |
+ accesskey: "accessKey", |
+ tabindex: "tabIndex", |
+ enctype: "encType", |
+ maxlength: "maxLength", |
+ readonly: "readOnly", |
+ longdesc: "longDesc" |
+}; |
+ |
+Element._attributeTranslations.values = { |
+ _getAttr: function(element, attribute) { |
+ return element.getAttribute(attribute, 2); |
+ }, |
+ |
+ _flag: function(element, attribute) { |
+ return $(element).hasAttribute(attribute) ? attribute : null; |
+ }, |
+ |
+ style: function(element) { |
+ return element.style.cssText.toLowerCase(); |
+ }, |
+ |
+ title: function(element) { |
+ var node = element.getAttributeNode('title'); |
+ return node.specified ? node.nodeValue : null; |
+ } |
+}; |
+ |
+Object.extend(Element._attributeTranslations.values, { |
+ href: Element._attributeTranslations.values._getAttr, |
+ src: Element._attributeTranslations.values._getAttr, |
+ disabled: Element._attributeTranslations.values._flag, |
+ checked: Element._attributeTranslations.values._flag, |
+ readonly: Element._attributeTranslations.values._flag, |
+ multiple: Element._attributeTranslations.values._flag |
+}); |
+ |
+Element.Methods.Simulated = { |
+ hasAttribute: function(element, attribute) { |
+ var t = Element._attributeTranslations; |
+ attribute = t.names[attribute] || attribute; |
+ return $(element).getAttributeNode(attribute).specified; |
+ } |
+}; |
+ |
+// IE is missing .innerHTML support for TABLE-related elements |
+if (document.all && !window.opera){ |
+ Element.Methods.update = function(element, html) { |
+ element = $(element); |
+ html = typeof html == 'undefined' ? '' : html.toString(); |
+ var tagName = element.tagName.toUpperCase(); |
+ if (['THEAD','TBODY','TR','TD'].include(tagName)) { |
+ var div = document.createElement('div'); |
+ switch (tagName) { |
+ case 'THEAD': |
+ case 'TBODY': |
+ div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>'; |
+ depth = 2; |
+ break; |
+ case 'TR': |
+ div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>'; |
+ depth = 3; |
+ break; |
+ case 'TD': |
+ div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>'; |
+ depth = 4; |
+ } |
+ $A(element.childNodes).each(function(node){ |
+ element.removeChild(node) |
+ }); |
+ depth.times(function(){ div = div.firstChild }); |
+ |
+ $A(div.childNodes).each( |
+ function(node){ element.appendChild(node) }); |
+ } else { |
+ element.innerHTML = html.stripScripts(); |
+ } |
+ setTimeout(function() {html.evalScripts()}, 10); |
+ return element; |
+ } |
+}; |
+ |
+Object.extend(Element, Element.Methods); |
+ |
+var _nativeExtensions = false; |
+ |
+if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
+ ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) { |
+ var className = 'HTML' + tag + 'Element'; |
+ if(window[className]) return; |
+ var klass = window[className] = {}; |
+ klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; |
+ }); |
+ |
+Element.addMethods = function(methods) { |
+ Object.extend(Element.Methods, methods || {}); |
+ |
+ function copy(methods, destination, onlyIfAbsent) { |
+ onlyIfAbsent = onlyIfAbsent || false; |
+ var cache = Element.extend.cache; |
+ for (var property in methods) { |
+ var value = methods[property]; |
+ if (!onlyIfAbsent || !(property in destination)) |
+ destination[property] = cache.findOrStore(value); |
+ } |
+ } |
+ |
+ if (typeof HTMLElement != 'undefined') { |
+ copy(Element.Methods, HTMLElement.prototype); |
+ copy(Element.Methods.Simulated, HTMLElement.prototype, true); |
+ copy(Form.Methods, HTMLFormElement.prototype); |
+ [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) { |
+ copy(Form.Element.Methods, klass.prototype); |
+ }); |
+ _nativeExtensions = true; |
+ } |
+} |
+ |
+var Toggle = new Object(); |
+Toggle.display = Element.toggle; |
+ |
+/*--------------------------------------------------------------------------*/ |
+ |
+Abstract.Insertion = function(adjacency) { |
+ this.adjacency = adjacency; |
+} |
+ |
+Abstract.Insertion.prototype = { |
+ initialize: function(element, content) { |
+ this.element = $(element); |
+ this.content = content.stripScripts(); |
+ |
+ if (this.adjacency && this.element.insertAdjacentHTML) { |
+ try { |
+ this.element.insertAdjacentHTML(this.adjacency, this.content); |
+ } catch (e) { |
+ var tagName = this.element.tagName.toUpperCase(); |
+ if (['TBODY', 'TR'].include(tagName)) { |
+ this.insertContent(this.contentFromAnonymousTable()); |
+ } else { |
+ throw e; |
+ } |
+ } |
+ } else { |
+ this.range = this.element.ownerDocument.createRange(); |
+ if (this.initializeRange) this.initializeRange(); |
+ this.insertContent([this.range.createContextualFragment(this.content)]); |
+ } |
+ |
+ setTimeout(function() {content.evalScripts()}, 10); |
+ }, |
+ |
+ contentFromAnonymousTable: function() { |
+ var div = document.createElement('div'); |
+ div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; |
+ return $A(div.childNodes[0].childNodes[0].childNodes); |
+ } |
+} |
+ |
+var Insertion = new Object(); |
+ |
+Insertion.Before = Class.create(); |
+Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { |
+ initializeRange: function() { |
+ this.range.setStartBefore(this.element); |
+ }, |
+ |
+ insertContent: function(fragments) { |
+ fragments.each((function(fragment) { |
+ this.element.parentNode.insertBefore(fragment, this.element); |
+ }).bind(this)); |
+ } |
+}); |
+ |
+Insertion.Top = Class.create(); |
+Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { |
+ initializeRange: function() { |
+ this.range.selectNodeContents(this.element); |
+ this.range.collapse(true); |
+ }, |
+ |
+ insertContent: function(fragments) { |
+ fragments.reverse(false).each((function(fragment) { |
+ this.element.insertBefore(fragment, this.element.firstChild); |
+ }).bind(this)); |
+ } |
+}); |
+ |
+Insertion.Bottom = Class.create(); |
+Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { |
+ initializeRange: function() { |
+ this.range.selectNodeContents(this.element); |
+ this.range.collapse(this.element); |
+ }, |
+ |
+ insertContent: function(fragments) { |
+ fragments.each((function(fragment) { |
+ this.element.appendChild(fragment); |
+ }).bind(this)); |
+ } |
+}); |
+ |
+Insertion.After = Class.create(); |
+Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { |
+ initializeRange: function() { |
+ this.range.setStartAfter(this.element); |
+ }, |
+ |
+ insertContent: function(fragments) { |
+ fragments.each((function(fragment) { |
+ this.element.parentNode.insertBefore(fragment, |
+ this.element.nextSibling); |
+ }).bind(this)); |
+ } |
+}); |
+ |
+/*--------------------------------------------------------------------------*/ |
+ |
+Element.ClassNames = Class.create(); |
+Element.ClassNames.prototype = { |
+ initialize: function(element) { |
+ this.element = $(element); |
+ }, |
+ |
+ _each: function(iterator) { |
+ this.element.className.split(/\s+/).select(function(name) { |
+ return name.length > 0; |
+ })._each(iterator); |
+ }, |
+ |
+ set: function(className) { |
+ this.element.className = className; |
+ }, |
+ |
+ add: function(classNameToAdd) { |
+ if (this.include(classNameToAdd)) return; |
+ this.set($A(this).concat(classNameToAdd).join(' ')); |
+ }, |
+ |
+ remove: function(classNameToRemove) { |
+ if (!this.include(classNameToRemove)) return; |
+ this.set($A(this).without(classNameToRemove).join(' ')); |
+ }, |
+ |
+ toString: function() { |
+ return $A(this).join(' '); |
+ } |
+}; |
+ |
+Object.extend(Element.ClassNames.prototype, Enumerable); |
+var Selector = Class.create(); |
+Selector.prototype = { |
+ initialize: function(expression) { |
+ this.params = {classNames: []}; |
+ this.expression = expression.toString().strip(); |
+ this.parseExpression(); |
+ this.compileMatcher(); |
+ }, |
+ |
+ parseExpression: function() { |
+ function abort(message) { throw 'Parse error in selector: ' + message; } |
+ |
+ if (this.expression == '') abort('empty expression'); |
+ |
+ var params = this.params, expr = this.expression, match, modifier, clause, rest; |
+ while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { |
+ params.attributes = params.attributes || []; |
+ params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); |
+ expr = match[1]; |
+ } |
+ |
+ if (expr == '*') return this.params.wildcard = true; |
+ |
+ while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) { |
+ modifier = match[1], clause = match[2], rest = match[3]; |
+ switch (modifier) { |
+ case '#': params.id = clause; break; |
+ case '.': params.classNames.push(clause); break; |
+ case '': |
+ case undefined: params.tagName = clause.toUpperCase(); break; |
+ default: abort(expr.inspect()); |
+ } |
+ expr = rest; |
+ } |
+ |
+ if (expr.length > 0) abort(expr.inspect()); |
+ }, |
+ |
+ buildMatchExpression: function() { |
+ var params = this.params, conditions = [], clause; |
+ |
+ if (params.wildcard) |
+ conditions.push('true'); |
+ if (clause = params.id) |
+ conditions.push('element.readAttribute("id") == ' + clause.inspect()); |
+ if (clause = params.tagName) |
+ conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); |
+ if ((clause = params.classNames).length > 0) |
+ for (var i = 0, length = clause.length; i < length; i++) |
+ conditions.push('element.hasClassName(' + clause[i].inspect() + ')'); |
+ if (clause = params.attributes) { |
+ clause.each(function(attribute) { |
+ var value = 'element.readAttribute(' + attribute.name.inspect() + ')'; |
+ var splitValueBy = function(delimiter) { |
+ return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; |
+ } |
+ |
+ switch (attribute.operator) { |
+ case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; |
+ case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break; |
+ case '|=': conditions.push( |
+ splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect() |
+ ); break; |
+ case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; |
+ case '': |
+ case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break; |
+ default: throw 'Unknown operator ' + attribute.operator + ' in selector'; |
+ } |
+ }); |
+ } |
+ |
+ return conditions.join(' && '); |
+ }, |
+ |
+ compileMatcher: function() { |
+ this.match = new Function('element', 'if (!element.tagName) return false; \ |
+ element = $(element); \ |
+ return ' + this.buildMatchExpression()); |
+ }, |
+ |
+ findElements: function(scope) { |
+ var element; |
+ |
+ if (element = $(this.params.id)) |
+ if (this.match(element)) |
+ if (!scope || Element.childOf(element, scope)) |
+ return [element]; |
+ |
+ scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); |
+ |
+ var results = []; |
+ for (var i = 0, length = scope.length; i < length; i++) |
+ if (this.match(element = scope[i])) |
+ results.push(Element.extend(element)); |
+ |
+ return results; |
+ }, |
+ |
+ toString: function() { |
+ return this.expression; |
+ } |
+} |
+ |
+Object.extend(Selector, { |
+ matchElements: function(elements, expression) { |
+ var selector = new Selector(expression); |
+ return elements.select(selector.match.bind(selector)).map(Element.extend); |
+ }, |
+ |
+ findElement: function(elements, expression, index) { |
+ if (typeof expression == 'number') index = expression, expression = false; |
+ return Selector.matchElements(elements, expression || '*')[index || 0]; |
+ }, |
+ |
+ findChildElements: function(element, expressions) { |
+ return expressions.map(function(expression) { |
+ return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) { |
+ var selector = new Selector(expr); |
+ return results.inject([], function(elements, result) { |
+ return elements.concat(selector.findElements(result || element)); |
+ }); |
+ }); |
+ }).flatten(); |
+ } |
+}); |
+ |
+function $$() { |
+ return Selector.findChildElements(document, $A(arguments)); |
+} |
+var Form = { |
+ reset: function(form) { |
+ $(form).reset(); |
+ return form; |
+ }, |
+ |
+ serializeElements: function(elements, getHash) { |
+ var data = elements.inject({}, function(result, element) { |
+ if (!element.disabled && element.name) { |
+ var key = element.name, value = $(element).getValue(); |
+ if (value != undefined) { |
+ if (result[key]) { |
+ if (result[key].constructor != Array) result[key] = [result[key]]; |
+ result[key].push(value); |
+ } |
+ else result[key] = value; |
+ } |
+ } |
+ return result; |
+ }); |
+ |
+ return getHash ? data : Hash.toQueryString(data); |
+ } |
+}; |
+ |
+Form.Methods = { |
+ serialize: function(form, getHash) { |
+ return Form.serializeElements(Form.getElements(form), getHash); |
+ }, |
+ |
+ getElements: function(form) { |
+ return $A($(form).getElementsByTagName('*')).inject([], |
+ function(elements, child) { |
+ if (Form.Element.Serializers[child.tagName.toLowerCase()]) |
+ elements.push(Element.extend(child)); |
+ return elements; |
+ } |
+ ); |
+ }, |
+ |
+ getInputs: function(form, typeName, name) { |
+ form = $(form); |
+ var inputs = form.getElementsByTagName('input'); |
+ |
+ if (!typeName && !name) return $A(inputs).map(Element.extend); |
+ |
+ for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
+ var input = inputs[i]; |
+ if ((typeName && input.type != typeName) || (name && input.name != name)) |
+ continue; |
+ matchingInputs.push(Element.extend(input)); |
+ } |
+ |
+ return matchingInputs; |
+ }, |
+ |
+ disable: function(form) { |
+ form = $(form); |
+ form.getElements().each(function(element) { |
+ element.blur(); |
+ element.disabled = 'true'; |
+ }); |
+ return form; |
+ }, |
+ |
+ enable: function(form) { |
+ form = $(form); |
+ form.getElements().each(function(element) { |
+ element.disabled = ''; |
+ }); |
+ return form; |
+ }, |
+ |
+ findFirstElement: function(form) { |
+ return $(form).getElements().find(function(element) { |
+ return element.type != 'hidden' && !element.disabled && |
+ ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
+ }); |
+ }, |
+ |
+ focusFirstElement: function(form) { |
+ form = $(form); |
+ form.findFirstElement().activate(); |
+ return form; |
+ } |
+} |
+ |
+Object.extend(Form, Form.Methods); |
+ |
+/*--------------------------------------------------------------------------*/ |
+ |
+Form.Element = { |
+ focus: function(element) { |
+ $(element).focus(); |
+ return element; |
+ }, |
+ |
+ select: function(element) { |
+ $(element).select(); |
+ return element; |
+ } |
+} |
+ |
+Form.Element.Methods = { |
+ serialize: function(element) { |
+ element = $(element); |
+ if (!element.disabled && element.name) { |
+ var value = element.getValue(); |
+ if (value != undefined) { |
+ var pair = {}; |
+ pair[element.name] = value; |
+ return Hash.toQueryString(pair); |
+ } |
+ } |
+ return ''; |
+ }, |
+ |
+ getValue: function(element) { |
+ element = $(element); |
+ var method = element.tagName.toLowerCase(); |
+ return Form.Element.Serializers[method](element); |
+ }, |
+ |
+ clear: function(element) { |
+ $(element).value = ''; |
+ return element; |
+ }, |
+ |
+ present: function(element) { |
+ return $(element).value != ''; |
+ }, |
+ |
+ activate: function(element) { |
+ element = $(element); |
+ element.focus(); |
+ if (element.select && ( element.tagName.toLowerCase() != 'input' || |
+ !['button', 'reset', 'submit'].include(element.type) ) ) |
+ element.select(); |
+ return element; |
+ }, |
+ |
+ disable: function(element) { |
+ element = $(element); |
+ element.disabled = true; |
+ return element; |
+ }, |
+ |
+ enable: function(element) { |
+ element = $(element); |
+ element.blur(); |
+ element.disabled = false; |
+ return element; |
+ } |
+} |
+ |
+Object.extend(Form.Element, Form.Element.Methods); |
+var Field = Form.Element; |
+var $F = Form.Element.getValue; |
+ |
+/*--------------------------------------------------------------------------*/ |
+ |
+Form.Element.Serializers = { |
+ input: function(element) { |
+ switch (element.type.toLowerCase()) { |
+ case 'checkbox': |
+ case 'radio': |
+ return Form.Element.Serializers.inputSelector(element); |
+ default: |
+ return Form.Element.Serializers.textarea(element); |
+ } |
+ }, |
+ |
+ inputSelector: function(element) { |
+ return element.checked ? element.value : null; |
+ }, |
+ |
+ textarea: function(element) { |
+ return element.value; |
+ }, |
+ |
+ select: function(element) { |
+ return this[element.type == 'select-one' ? |
+ 'selectOne' : 'selectMany'](element); |
+ }, |
+ |
+ selectOne: function(element) { |
+ var index = element.selectedIndex; |
+ return index >= 0 ? this.optionValue(element.options[index]) : null; |
+ }, |
+ |
+ selectMany: function(element) { |
+ var values, length = element.length; |
+ if (!length) return null; |
+ |
+ for (var i = 0, values = []; i < length; i++) { |
+ var opt = element.options[i]; |
+ if (opt.selected) values.push(this.optionValue(opt)); |
+ } |
+ return values; |
+ }, |
+ |
+ optionValue: function(opt) { |
+ // extend element because hasAttribute may not be native |
+ return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
+ } |
+} |
+ |
+/*--------------------------------------------------------------------------*/ |
+ |
+Abstract.TimedObserver = function() {} |
+Abstract.TimedObserver.prototype = { |
+ initialize: function(element, frequency, callback) { |
+ this.frequency = frequency; |
+ this.element = $(element); |
+ this.callback = callback; |
+ |
+ this.lastValue = this.getValue(); |
+ this.registerCallback(); |
+ }, |
+ |
+ registerCallback: function() { |
+ setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
+ }, |
+ |
+ onTimerEvent: function() { |
+ var value = this.getValue(); |
+ var changed = ('string' == typeof this.lastValue && 'string' == typeof value |
+ ? this.lastValue != value : String(this.lastValue) != String(value)); |
+ if (changed) { |
+ this.callback(this.element, value); |
+ this.lastValue = value; |
+ } |
+ } |
+} |
+ |
+Form.Element.Observer = Class.create(); |
+Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
+ getValue: function() { |
+ return Form.Element.getValue(this.element); |
+ } |
+}); |
+ |
+Form.Observer = Class.create(); |
+Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
+ getValue: function() { |
+ return Form.serialize(this.element); |
+ } |
+}); |
+ |
+/*--------------------------------------------------------------------------*/ |
+ |
+Abstract.EventObserver = function() {} |
+Abstract.EventObserver.prototype = { |
+ initialize: function(element, callback) { |
+ this.element = $(element); |
+ this.callback = callback; |
+ |
+ this.lastValue = this.getValue(); |
+ if (this.element.tagName.toLowerCase() == 'form') |
+ this.registerFormCallbacks(); |
+ else |
+ this.registerCallback(this.element); |
+ }, |
+ |
+ onElementEvent: function() { |
+ var value = this.getValue(); |
+ if (this.lastValue != value) { |
+ this.callback(this.element, value); |
+ this.lastValue = value; |
+ } |
+ }, |
+ |
+ registerFormCallbacks: function() { |
+ Form.getElements(this.element).each(this.registerCallback.bind(this)); |
+ }, |
+ |
+ registerCallback: function(element) { |
+ if (element.type) { |
+ switch (element.type.toLowerCase()) { |
+ case 'checkbox': |
+ case 'radio': |
+ Event.observe(element, 'click', this.onElementEvent.bind(this)); |
+ break; |
+ default: |
+ Event.observe(element, 'change', this.onElementEvent.bind(this)); |
+ break; |
+ } |
+ } |
+ } |
+} |
+ |
+Form.Element.EventObserver = Class.create(); |
+Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
+ getValue: function() { |
+ return Form.Element.getValue(this.element); |
+ } |
+}); |
+ |
+Form.EventObserver = Class.create(); |
+Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
+ getValue: function() { |
+ return Form.serialize(this.element); |
+ } |
+}); |
+if (!window.Event) { |
+ var Event = new Object(); |
+} |
+ |
+Object.extend(Event, { |
+ KEY_BACKSPACE: 8, |
+ KEY_TAB: 9, |
+ KEY_RETURN: 13, |
+ KEY_ESC: 27, |
+ KEY_LEFT: 37, |
+ KEY_UP: 38, |
+ KEY_RIGHT: 39, |
+ KEY_DOWN: 40, |
+ KEY_DELETE: 46, |
+ KEY_HOME: 36, |
+ KEY_END: 35, |
+ KEY_PAGEUP: 33, |
+ KEY_PAGEDOWN: 34, |
+ |
+ element: function(event) { |
+ return event.target || event.srcElement; |
+ }, |
+ |
+ isLeftClick: function(event) { |
+ return (((event.which) && (event.which == 1)) || |
+ ((event.button) && (event.button == 1))); |
+ }, |
+ |
+ pointerX: function(event) { |
+ return event.pageX || (event.clientX + |
+ (document.documentElement.scrollLeft || document.body.scrollLeft)); |
+ }, |
+ |
+ pointerY: function(event) { |
+ return event.pageY || (event.clientY + |
+ (document.documentElement.scrollTop || document.body.scrollTop)); |
+ }, |
+ |
+ stop: function(event) { |
+ if (event.preventDefault) { |
+ event.preventDefault(); |
+ event.stopPropagation(); |
+ } else { |
+ event.returnValue = false; |
+ event.cancelBubble = true; |
+ } |
+ }, |
+ |
+ // find the first node with the given tagName, starting from the |
+ // node the event was triggered on; traverses the DOM upwards |
+ findElement: function(event, tagName) { |
+ var element = Event.element(event); |
+ while (element.parentNode && (!element.tagName || |
+ (element.tagName.toUpperCase() != tagName.toUpperCase()))) |
+ element = element.parentNode; |
+ return element; |
+ }, |
+ |
+ observers: false, |
+ |
+ _observeAndCache: function(element, name, observer, useCapture) { |
+ if (!this.observers) this.observers = []; |
+ if (element.addEventListener) { |
+ this.observers.push([element, name, observer, useCapture]); |
+ element.addEventListener(name, observer, useCapture); |
+ } else if (element.attachEvent) { |
+ this.observers.push([element, name, observer, useCapture]); |
+ element.attachEvent('on' + name, observer); |
+ } |
+ }, |
+ |
+ unloadCache: function() { |
+ if (!Event.observers) return; |
+ for (var i = 0, length = Event.observers.length; i < length; i++) { |
+ Event.stopObserving.apply(this, Event.observers[i]); |
+ Event.observers[i][0] = null; |
+ } |
+ Event.observers = false; |
+ }, |
+ |
+ observe: function(element, name, observer, useCapture) { |
+ element = $(element); |
+ useCapture = useCapture || false; |
+ |
+ if (name == 'keypress' && |
+ (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
+ || element.attachEvent)) |
+ name = 'keydown'; |
+ |
+ Event._observeAndCache(element, name, observer, useCapture); |
+ }, |
+ |
+ stopObserving: function(element, name, observer, useCapture) { |
+ element = $(element); |
+ useCapture = useCapture || false; |
+ |
+ if (name == 'keypress' && |
+ (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
+ || element.detachEvent)) |
+ name = 'keydown'; |
+ |
+ if (element.removeEventListener) { |
+ element.removeEventListener(name, observer, useCapture); |
+ } else if (element.detachEvent) { |
+ try { |
+ element.detachEvent('on' + name, observer); |
+ } catch (e) {} |
+ } |
+ } |
+}); |
+ |
+/* prevent memory leaks in IE */ |
+if (navigator.appVersion.match(/\bMSIE\b/)) |
+ Event.observe(window, 'unload', Event.unloadCache, false); |
+var Position = { |
+ // set to true if needed, warning: firefox performance problems |
+ // NOT neeeded for page scrolling, only if draggable contained in |
+ // scrollable elements |
+ includeScrollOffsets: false, |
+ |
+ // must be called before calling withinIncludingScrolloffset, every time the |
+ // page is scrolled |
+ prepare: function() { |
+ this.deltaX = window.pageXOffset |
+ || document.documentElement.scrollLeft |
+ || document.body.scrollLeft |
+ || 0; |
+ this.deltaY = window.pageYOffset |
+ || document.documentElement.scrollTop |
+ || document.body.scrollTop |
+ || 0; |
+ }, |
+ |
+ realOffset: function(element) { |
+ var valueT = 0, valueL = 0; |
+ do { |
+ valueT += element.scrollTop || 0; |
+ valueL += element.scrollLeft || 0; |
+ element = element.parentNode; |
+ } while (element); |
+ return [valueL, valueT]; |
+ }, |
+ |
+ cumulativeOffset: function(element) { |
+ var valueT = 0, valueL = 0; |
+ do { |
+ valueT += element.offsetTop || 0; |
+ valueL += element.offsetLeft || 0; |
+ element = element.offsetParent; |
+ } while (element); |
+ return [valueL, valueT]; |
+ }, |
+ |
+ positionedOffset: function(element) { |
+ var valueT = 0, valueL = 0; |
+ do { |
+ valueT += element.offsetTop || 0; |
+ valueL += element.offsetLeft || 0; |
+ element = element.offsetParent; |
+ if (element) { |
+ if(element.tagName=='BODY') break; |
+ var p = Element.getStyle(element, 'position'); |
+ if (p == 'relative' || p == 'absolute') break; |
+ } |
+ } while (element); |
+ return [valueL, valueT]; |
+ }, |
+ |
+ offsetParent: function(element) { |
+ if (element.offsetParent) return element.offsetParent; |
+ if (element == document.body) return element; |
+ |
+ while ((element = element.parentNode) && element != document.body) |
+ if (Element.getStyle(element, 'position') != 'static') |
+ return element; |
+ |
+ return document.body; |
+ }, |
+ |
+ // caches x/y coordinate pair to use with overlap |
+ within: function(element, x, y) { |
+ if (this.includeScrollOffsets) |
+ return this.withinIncludingScrolloffsets(element, x, y); |
+ this.xcomp = x; |
+ this.ycomp = y; |
+ this.offset = this.cumulativeOffset(element); |
+ |
+ return (y >= this.offset[1] && |
+ y < this.offset[1] + element.offsetHeight && |
+ x >= this.offset[0] && |
+ x < this.offset[0] + element.offsetWidth); |
+ }, |
+ |
+ withinIncludingScrolloffsets: function(element, x, y) { |
+ var offsetcache = this.realOffset(element); |
+ |
+ this.xcomp = x + offsetcache[0] - this.deltaX; |
+ this.ycomp = y + offsetcache[1] - this.deltaY; |
+ this.offset = this.cumulativeOffset(element); |
+ |
+ return (this.ycomp >= this.offset[1] && |
+ this.ycomp < this.offset[1] + element.offsetHeight && |
+ this.xcomp >= this.offset[0] && |
+ this.xcomp < this.offset[0] + element.offsetWidth); |
+ }, |
+ |
+ // within must be called directly before |
+ overlap: function(mode, element) { |
+ if (!mode) return 0; |
+ if (mode == 'vertical') |
+ return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
+ element.offsetHeight; |
+ if (mode == 'horizontal') |
+ return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
+ element.offsetWidth; |
+ }, |
+ |
+ page: function(forElement) { |
+ var valueT = 0, valueL = 0; |
+ |
+ var element = forElement; |
+ do { |
+ valueT += element.offsetTop || 0; |
+ valueL += element.offsetLeft || 0; |
+ |
+ // Safari fix |
+ if (element.offsetParent==document.body) |
+ if (Element.getStyle(element,'position')=='absolute') break; |
+ |
+ } while (element = element.offsetParent); |
+ |
+ element = forElement; |
+ do { |
+ if (!window.opera || element.tagName=='BODY') { |
+ valueT -= element.scrollTop || 0; |
+ valueL -= element.scrollLeft || 0; |
+ } |
+ } while (element = element.parentNode); |
+ |
+ return [valueL, valueT]; |
+ }, |
+ |
+ clone: function(source, target) { |
+ var options = Object.extend({ |
+ setLeft: true, |
+ setTop: true, |
+ setWidth: true, |
+ setHeight: true, |
+ offsetTop: 0, |
+ offsetLeft: 0 |
+ }, arguments[2] || {}) |
+ |
+ // find page position of source |
+ source = $(source); |
+ var p = Position.page(source); |
+ |
+ // find coordinate system to use |
+ target = $(target); |
+ var delta = [0, 0]; |
+ var parent = null; |
+ // delta [0,0] will do fine with position: fixed elements, |
+ // position:absolute needs offsetParent deltas |
+ if (Element.getStyle(target,'position') == 'absolute') { |
+ parent = Position.offsetParent(target); |
+ delta = Position.page(parent); |
+ } |
+ |
+ // correct by body offsets (fixes Safari) |
+ if (parent == document.body) { |
+ delta[0] -= document.body.offsetLeft; |
+ delta[1] -= document.body.offsetTop; |
+ } |
+ |
+ // set position |
+ if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
+ if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
+ if(options.setWidth) target.style.width = source.offsetWidth + 'px'; |
+ if(options.setHeight) target.style.height = source.offsetHeight + 'px'; |
+ }, |
+ |
+ absolutize: function(element) { |
+ element = $(element); |
+ if (element.style.position == 'absolute') return; |
+ Position.prepare(); |
+ |
+ var offsets = Position.positionedOffset(element); |
+ var top = offsets[1]; |
+ var left = offsets[0]; |
+ var width = element.clientWidth; |
+ var height = element.clientHeight; |
+ |
+ element._originalLeft = left - parseFloat(element.style.left || 0); |
+ element._originalTop = top - parseFloat(element.style.top || 0); |
+ element._originalWidth = element.style.width; |
+ element._originalHeight = element.style.height; |
+ |
+ element.style.position = 'absolute'; |
+ element.style.top = top + 'px'; |
+ element.style.left = left + 'px'; |
+ element.style.width = width + 'px'; |
+ element.style.height = height + 'px'; |
+ }, |
+ |
+ relativize: function(element) { |
+ element = $(element); |
+ if (element.style.position == 'relative') return; |
+ Position.prepare(); |
+ |
+ element.style.position = 'relative'; |
+ var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
+ var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
+ |
+ element.style.top = top + 'px'; |
+ element.style.left = left + 'px'; |
+ element.style.height = element._originalHeight; |
+ element.style.width = element._originalWidth; |
+ } |
+} |
+ |
+// Safari returns margins on body which is incorrect if the child is absolutely |
+// positioned. For performance reasons, redefine Position.cumulativeOffset for |
+// KHTML/WebKit only. |
+if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) { |
+ Position.cumulativeOffset = function(element) { |
+ var valueT = 0, valueL = 0; |
+ do { |
+ valueT += element.offsetTop || 0; |
+ valueL += element.offsetLeft || 0; |
+ if (element.offsetParent == document.body) |
+ if (Element.getStyle(element, 'position') == 'absolute') break; |
+ |
+ element = element.offsetParent; |
+ } while (element); |
+ |
+ return [valueL, valueT]; |
+ } |
+} |
+ |
+Element.addMethods(); |
+ |
+ |
+// ------------------------------------------------------------------------ |
+// ------------------------------------------------------------------------ |
+ |
+// The rest of this file is the actual ray tracer written by Adam |
+// Burmister. It's a concatenation of the following files: |
+// |
+// flog/color.js |
+// flog/light.js |
+// flog/vector.js |
+// flog/ray.js |
+// flog/scene.js |
+// flog/material/basematerial.js |
+// flog/material/solid.js |
+// flog/material/chessboard.js |
+// flog/shape/baseshape.js |
+// flog/shape/sphere.js |
+// flog/shape/plane.js |
+// flog/intersectioninfo.js |
+// flog/camera.js |
+// flog/background.js |
+// flog/engine.js |
+ |
+ |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.Color = Class.create(); |
+ |
+Flog.RayTracer.Color.prototype = { |
+ red : 0.0, |
+ green : 0.0, |
+ blue : 0.0, |
+ |
+ initialize : function(r, g, b) { |
+ if(!r) r = 0.0; |
+ if(!g) g = 0.0; |
+ if(!b) b = 0.0; |
+ |
+ this.red = r; |
+ this.green = g; |
+ this.blue = b; |
+ }, |
+ |
+ add : function(c1, c2){ |
+ var result = new Flog.RayTracer.Color(0,0,0); |
+ |
+ result.red = c1.red + c2.red; |
+ result.green = c1.green + c2.green; |
+ result.blue = c1.blue + c2.blue; |
+ |
+ return result; |
+ }, |
+ |
+ addScalar: function(c1, s){ |
+ var result = new Flog.RayTracer.Color(0,0,0); |
+ |
+ result.red = c1.red + s; |
+ result.green = c1.green + s; |
+ result.blue = c1.blue + s; |
+ |
+ result.limit(); |
+ |
+ return result; |
+ }, |
+ |
+ subtract: function(c1, c2){ |
+ var result = new Flog.RayTracer.Color(0,0,0); |
+ |
+ result.red = c1.red - c2.red; |
+ result.green = c1.green - c2.green; |
+ result.blue = c1.blue - c2.blue; |
+ |
+ return result; |
+ }, |
+ |
+ multiply : function(c1, c2) { |
+ var result = new Flog.RayTracer.Color(0,0,0); |
+ |
+ result.red = c1.red * c2.red; |
+ result.green = c1.green * c2.green; |
+ result.blue = c1.blue * c2.blue; |
+ |
+ return result; |
+ }, |
+ |
+ multiplyScalar : function(c1, f) { |
+ var result = new Flog.RayTracer.Color(0,0,0); |
+ |
+ result.red = c1.red * f; |
+ result.green = c1.green * f; |
+ result.blue = c1.blue * f; |
+ |
+ return result; |
+ }, |
+ |
+ divideFactor : function(c1, f) { |
+ var result = new Flog.RayTracer.Color(0,0,0); |
+ |
+ result.red = c1.red / f; |
+ result.green = c1.green / f; |
+ result.blue = c1.blue / f; |
+ |
+ return result; |
+ }, |
+ |
+ limit: function(){ |
+ this.red = (this.red > 0.0) ? ( (this.red > 1.0) ? 1.0 : this.red ) : 0.0; |
+ this.green = (this.green > 0.0) ? ( (this.green > 1.0) ? 1.0 : this.green ) : 0.0; |
+ this.blue = (this.blue > 0.0) ? ( (this.blue > 1.0) ? 1.0 : this.blue ) : 0.0; |
+ }, |
+ |
+ distance : function(color) { |
+ var d = Math.abs(this.red - color.red) + Math.abs(this.green - color.green) + Math.abs(this.blue - color.blue); |
+ return d; |
+ }, |
+ |
+ blend: function(c1, c2, w){ |
+ var result = new Flog.RayTracer.Color(0,0,0); |
+ result = Flog.RayTracer.Color.prototype.add( |
+ Flog.RayTracer.Color.prototype.multiplyScalar(c1, 1 - w), |
+ Flog.RayTracer.Color.prototype.multiplyScalar(c2, w) |
+ ); |
+ return result; |
+ }, |
+ |
+ brightness : function() { |
+ var r = Math.floor(this.red*255); |
+ var g = Math.floor(this.green*255); |
+ var b = Math.floor(this.blue*255); |
+ return (r * 77 + g * 150 + b * 29) >> 8; |
+ }, |
+ |
+ toString : function () { |
+ var r = Math.floor(this.red*255); |
+ var g = Math.floor(this.green*255); |
+ var b = Math.floor(this.blue*255); |
+ |
+ return "rgb("+ r +","+ g +","+ b +")"; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.Light = Class.create(); |
+ |
+Flog.RayTracer.Light.prototype = { |
+ position: null, |
+ color: null, |
+ intensity: 10.0, |
+ |
+ initialize : function(pos, color, intensity) { |
+ this.position = pos; |
+ this.color = color; |
+ this.intensity = (intensity ? intensity : 10.0); |
+ }, |
+ |
+ getIntensity: function(distance){ |
+ if(distance >= intensity) return 0; |
+ |
+ return Math.pow((intensity - distance) / strength, 0.2); |
+ }, |
+ |
+ toString : function () { |
+ return 'Light [' + this.position.x + ',' + this.position.y + ',' + this.position.z + ']'; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.Vector = Class.create(); |
+ |
+Flog.RayTracer.Vector.prototype = { |
+ x : 0.0, |
+ y : 0.0, |
+ z : 0.0, |
+ |
+ initialize : function(x, y, z) { |
+ this.x = (x ? x : 0); |
+ this.y = (y ? y : 0); |
+ this.z = (z ? z : 0); |
+ }, |
+ |
+ copy: function(vector){ |
+ this.x = vector.x; |
+ this.y = vector.y; |
+ this.z = vector.z; |
+ }, |
+ |
+ normalize : function() { |
+ var m = this.magnitude(); |
+ return new Flog.RayTracer.Vector(this.x / m, this.y / m, this.z / m); |
+ }, |
+ |
+ magnitude : function() { |
+ return Math.sqrt((this.x * this.x) + (this.y * this.y) + (this.z * this.z)); |
+ }, |
+ |
+ cross : function(w) { |
+ return new Flog.RayTracer.Vector( |
+ -this.z * w.y + this.y * w.z, |
+ this.z * w.x - this.x * w.z, |
+ -this.y * w.x + this.x * w.y); |
+ }, |
+ |
+ dot : function(w) { |
+ return this.x * w.x + this.y * w.y + this.z * w.z; |
+ }, |
+ |
+ add : function(v, w) { |
+ return new Flog.RayTracer.Vector(w.x + v.x, w.y + v.y, w.z + v.z); |
+ }, |
+ |
+ subtract : function(v, w) { |
+ if(!w || !v) throw 'Vectors must be defined [' + v + ',' + w + ']'; |
+ return new Flog.RayTracer.Vector(v.x - w.x, v.y - w.y, v.z - w.z); |
+ }, |
+ |
+ multiplyVector : function(v, w) { |
+ return new Flog.RayTracer.Vector(v.x * w.x, v.y * w.y, v.z * w.z); |
+ }, |
+ |
+ multiplyScalar : function(v, w) { |
+ return new Flog.RayTracer.Vector(v.x * w, v.y * w, v.z * w); |
+ }, |
+ |
+ toString : function () { |
+ return 'Vector [' + this.x + ',' + this.y + ',' + this.z + ']'; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.Ray = Class.create(); |
+ |
+Flog.RayTracer.Ray.prototype = { |
+ position : null, |
+ direction : null, |
+ initialize : function(pos, dir) { |
+ this.position = pos; |
+ this.direction = dir; |
+ }, |
+ |
+ toString : function () { |
+ return 'Ray [' + this.position + ',' + this.direction + ']'; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.Scene = Class.create(); |
+ |
+Flog.RayTracer.Scene.prototype = { |
+ camera : null, |
+ shapes : [], |
+ lights : [], |
+ background : null, |
+ |
+ initialize : function() { |
+ this.camera = new Flog.RayTracer.Camera( |
+ new Flog.RayTracer.Vector(0,0,-5), |
+ new Flog.RayTracer.Vector(0,0,1), |
+ new Flog.RayTracer.Vector(0,1,0) |
+ ); |
+ this.shapes = new Array(); |
+ this.lights = new Array(); |
+ this.background = new Flog.RayTracer.Background(new Flog.RayTracer.Color(0,0,0.5), 0.2); |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+if(typeof(Flog.RayTracer.Material) == 'undefined') Flog.RayTracer.Material = {}; |
+ |
+Flog.RayTracer.Material.BaseMaterial = Class.create(); |
+ |
+Flog.RayTracer.Material.BaseMaterial.prototype = { |
+ |
+ gloss: 2.0, // [0...infinity] 0 = matt |
+ transparency: 0.0, // 0=opaque |
+ reflection: 0.0, // [0...infinity] 0 = no reflection |
+ refraction: 0.50, |
+ hasTexture: false, |
+ |
+ initialize : function() { |
+ |
+ }, |
+ |
+ getColor: function(u, v){ |
+ |
+ }, |
+ |
+ wrapUp: function(t){ |
+ t = t % 2.0; |
+ if(t < -1) t += 2.0; |
+ if(t >= 1) t -= 2.0; |
+ return t; |
+ }, |
+ |
+ toString : function () { |
+ return 'Material [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']'; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.Material.Solid = Class.create(); |
+ |
+Flog.RayTracer.Material.Solid.prototype = Object.extend( |
+ new Flog.RayTracer.Material.BaseMaterial(), { |
+ initialize : function(color, reflection, refraction, transparency, gloss) { |
+ this.color = color; |
+ this.reflection = reflection; |
+ this.transparency = transparency; |
+ this.gloss = gloss; |
+ this.hasTexture = false; |
+ }, |
+ |
+ getColor: function(u, v){ |
+ return this.color; |
+ }, |
+ |
+ toString : function () { |
+ return 'SolidMaterial [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']'; |
+ } |
+ } |
+); |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.Material.Chessboard = Class.create(); |
+ |
+Flog.RayTracer.Material.Chessboard.prototype = Object.extend( |
+ new Flog.RayTracer.Material.BaseMaterial(), { |
+ colorEven: null, |
+ colorOdd: null, |
+ density: 0.5, |
+ |
+ initialize : function(colorEven, colorOdd, reflection, transparency, gloss, density) { |
+ this.colorEven = colorEven; |
+ this.colorOdd = colorOdd; |
+ this.reflection = reflection; |
+ this.transparency = transparency; |
+ this.gloss = gloss; |
+ this.density = density; |
+ this.hasTexture = true; |
+ }, |
+ |
+ getColor: function(u, v){ |
+ var t = this.wrapUp(u * this.density) * this.wrapUp(v * this.density); |
+ |
+ if(t < 0.0) |
+ return this.colorEven; |
+ else |
+ return this.colorOdd; |
+ }, |
+ |
+ toString : function () { |
+ return 'ChessMaterial [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']'; |
+ } |
+ } |
+); |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+if(typeof(Flog.RayTracer.Shape) == 'undefined') Flog.RayTracer.Shape = {}; |
+ |
+Flog.RayTracer.Shape.BaseShape = Class.create(); |
+ |
+Flog.RayTracer.Shape.BaseShape.prototype = { |
+ position: null, |
+ material: null, |
+ |
+ initialize : function() { |
+ this.position = new Vector(0,0,0); |
+ this.material = new Flog.RayTracer.Material.SolidMaterial( |
+ new Flog.RayTracer.Color(1,0,1), |
+ 0, |
+ 0, |
+ 0 |
+ ); |
+ }, |
+ |
+ toString : function () { |
+ return 'Material [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']'; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+if(typeof(Flog.RayTracer.Shape) == 'undefined') Flog.RayTracer.Shape = {}; |
+ |
+Flog.RayTracer.Shape.Sphere = Class.create(); |
+ |
+Flog.RayTracer.Shape.Sphere.prototype = { |
+ initialize : function(pos, radius, material) { |
+ this.radius = radius; |
+ this.position = pos; |
+ this.material = material; |
+ }, |
+ |
+ intersect: function(ray){ |
+ var info = new Flog.RayTracer.IntersectionInfo(); |
+ info.shape = this; |
+ |
+ var dst = Flog.RayTracer.Vector.prototype.subtract(ray.position, this.position); |
+ |
+ var B = dst.dot(ray.direction); |
+ var C = dst.dot(dst) - (this.radius * this.radius); |
+ var D = (B * B) - C; |
+ |
+ if(D > 0){ // intersection! |
+ info.isHit = true; |
+ info.distance = (-B) - Math.sqrt(D); |
+ info.position = Flog.RayTracer.Vector.prototype.add( |
+ ray.position, |
+ Flog.RayTracer.Vector.prototype.multiplyScalar( |
+ ray.direction, |
+ info.distance |
+ ) |
+ ); |
+ info.normal = Flog.RayTracer.Vector.prototype.subtract( |
+ info.position, |
+ this.position |
+ ).normalize(); |
+ |
+ info.color = this.material.getColor(0,0); |
+ } else { |
+ info.isHit = false; |
+ } |
+ return info; |
+ }, |
+ |
+ toString : function () { |
+ return 'Sphere [position=' + this.position + ', radius=' + this.radius + ']'; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+if(typeof(Flog.RayTracer.Shape) == 'undefined') Flog.RayTracer.Shape = {}; |
+ |
+Flog.RayTracer.Shape.Plane = Class.create(); |
+ |
+Flog.RayTracer.Shape.Plane.prototype = { |
+ d: 0.0, |
+ |
+ initialize : function(pos, d, material) { |
+ this.position = pos; |
+ this.d = d; |
+ this.material = material; |
+ }, |
+ |
+ intersect: function(ray){ |
+ var info = new Flog.RayTracer.IntersectionInfo(); |
+ |
+ var Vd = this.position.dot(ray.direction); |
+ if(Vd == 0) return info; // no intersection |
+ |
+ var t = -(this.position.dot(ray.position) + this.d) / Vd; |
+ if(t <= 0) return info; |
+ |
+ info.shape = this; |
+ info.isHit = true; |
+ info.position = Flog.RayTracer.Vector.prototype.add( |
+ ray.position, |
+ Flog.RayTracer.Vector.prototype.multiplyScalar( |
+ ray.direction, |
+ t |
+ ) |
+ ); |
+ info.normal = this.position; |
+ info.distance = t; |
+ |
+ if(this.material.hasTexture){ |
+ var vU = new Flog.RayTracer.Vector(this.position.y, this.position.z, -this.position.x); |
+ var vV = vU.cross(this.position); |
+ var u = info.position.dot(vU); |
+ var v = info.position.dot(vV); |
+ info.color = this.material.getColor(u,v); |
+ } else { |
+ info.color = this.material.getColor(0,0); |
+ } |
+ |
+ return info; |
+ }, |
+ |
+ toString : function () { |
+ return 'Plane [' + this.position + ', d=' + this.d + ']'; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.IntersectionInfo = Class.create(); |
+ |
+Flog.RayTracer.IntersectionInfo.prototype = { |
+ isHit: false, |
+ hitCount: 0, |
+ shape: null, |
+ position: null, |
+ normal: null, |
+ color: null, |
+ distance: null, |
+ |
+ initialize : function() { |
+ this.color = new Flog.RayTracer.Color(0,0,0); |
+ }, |
+ |
+ toString : function () { |
+ return 'Intersection [' + this.position + ']'; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.Camera = Class.create(); |
+ |
+Flog.RayTracer.Camera.prototype = { |
+ position: null, |
+ lookAt: null, |
+ equator: null, |
+ up: null, |
+ screen: null, |
+ |
+ initialize : function(pos, lookAt, up) { |
+ this.position = pos; |
+ this.lookAt = lookAt; |
+ this.up = up; |
+ this.equator = lookAt.normalize().cross(this.up); |
+ this.screen = Flog.RayTracer.Vector.prototype.add(this.position, this.lookAt); |
+ }, |
+ |
+ getRay: function(vx, vy){ |
+ var pos = Flog.RayTracer.Vector.prototype.subtract( |
+ this.screen, |
+ Flog.RayTracer.Vector.prototype.subtract( |
+ Flog.RayTracer.Vector.prototype.multiplyScalar(this.equator, vx), |
+ Flog.RayTracer.Vector.prototype.multiplyScalar(this.up, vy) |
+ ) |
+ ); |
+ pos.y = pos.y * -1; |
+ var dir = Flog.RayTracer.Vector.prototype.subtract( |
+ pos, |
+ this.position |
+ ); |
+ |
+ var ray = new Flog.RayTracer.Ray(pos, dir.normalize()); |
+ |
+ return ray; |
+ }, |
+ |
+ toString : function () { |
+ return 'Ray []'; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.Background = Class.create(); |
+ |
+Flog.RayTracer.Background.prototype = { |
+ color : null, |
+ ambience : 0.0, |
+ |
+ initialize : function(color, ambience) { |
+ this.color = color; |
+ this.ambience = ambience; |
+ } |
+} |
+/* Fake a Flog.* namespace */ |
+if(typeof(Flog) == 'undefined') var Flog = {}; |
+if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; |
+ |
+Flog.RayTracer.Engine = Class.create(); |
+ |
+Flog.RayTracer.Engine.prototype = { |
+ canvas: null, /* 2d context we can render to */ |
+ |
+ initialize: function(options){ |
+ this.options = Object.extend({ |
+ canvasHeight: 100, |
+ canvasWidth: 100, |
+ pixelWidth: 2, |
+ pixelHeight: 2, |
+ renderDiffuse: false, |
+ renderShadows: false, |
+ renderHighlights: false, |
+ renderReflections: false, |
+ rayDepth: 2 |
+ }, options || {}); |
+ |
+ this.options.canvasHeight /= this.options.pixelHeight; |
+ this.options.canvasWidth /= this.options.pixelWidth; |
+ |
+ /* TODO: dynamically include other scripts */ |
+ }, |
+ |
+ setPixel: function(x, y, color){ |
+ var pxW, pxH; |
+ pxW = this.options.pixelWidth; |
+ pxH = this.options.pixelHeight; |
+ |
+ if (this.canvas) { |
+ this.canvas.fillStyle = color.toString(); |
+ this.canvas.fillRect (x * pxW, y * pxH, pxW, pxH); |
+ } else { |
+ if (x === y) { |
+ checkNumber += color.brightness(); |
+ } |
+ // print(x * pxW, y * pxH, pxW, pxH); |
+ } |
+ }, |
+ |
+ renderScene: function(scene, canvas){ |
+ checkNumber = 0; |
+ /* Get canvas */ |
+ if (canvas) { |
+ this.canvas = canvas.getContext("2d"); |
+ } else { |
+ this.canvas = null; |
+ } |
+ |
+ var canvasHeight = this.options.canvasHeight; |
+ var canvasWidth = this.options.canvasWidth; |
+ |
+ for(var y=0; y < canvasHeight; y++){ |
+ for(var x=0; x < canvasWidth; x++){ |
+ var yp = y * 1.0 / canvasHeight * 2 - 1; |
+ var xp = x * 1.0 / canvasWidth * 2 - 1; |
+ |
+ var ray = scene.camera.getRay(xp, yp); |
+ |
+ var color = this.getPixelColor(ray, scene); |
+ |
+ this.setPixel(x, y, color); |
+ } |
+ } |
+ if (checkNumber !== 2321) { |
+ throw new Error("Scene rendered incorrectly"); |
+ } |
+ }, |
+ |
+ getPixelColor: function(ray, scene){ |
+ var info = this.testIntersection(ray, scene, null); |
+ if(info.isHit){ |
+ var color = this.rayTrace(info, ray, scene, 0); |
+ return color; |
+ } |
+ return scene.background.color; |
+ }, |
+ |
+ testIntersection: function(ray, scene, exclude){ |
+ var hits = 0; |
+ var best = new Flog.RayTracer.IntersectionInfo(); |
+ best.distance = 2000; |
+ |
+ for(var i=0; i<scene.shapes.length; i++){ |
+ var shape = scene.shapes[i]; |
+ |
+ if(shape != exclude){ |
+ var info = shape.intersect(ray); |
+ if(info.isHit && info.distance >= 0 && info.distance < best.distance){ |
+ best = info; |
+ hits++; |
+ } |
+ } |
+ } |
+ best.hitCount = hits; |
+ return best; |
+ }, |
+ |
+ getReflectionRay: function(P,N,V){ |
+ var c1 = -N.dot(V); |
+ var R1 = Flog.RayTracer.Vector.prototype.add( |
+ Flog.RayTracer.Vector.prototype.multiplyScalar(N, 2*c1), |
+ V |
+ ); |
+ return new Flog.RayTracer.Ray(P, R1); |
+ }, |
+ |
+ rayTrace: function(info, ray, scene, depth){ |
+ // Calc ambient |
+ var color = Flog.RayTracer.Color.prototype.multiplyScalar(info.color, scene.background.ambience); |
+ var oldColor = color; |
+ var shininess = Math.pow(10, info.shape.material.gloss + 1); |
+ |
+ for(var i=0; i<scene.lights.length; i++){ |
+ var light = scene.lights[i]; |
+ |
+ // Calc diffuse lighting |
+ var v = Flog.RayTracer.Vector.prototype.subtract( |
+ light.position, |
+ info.position |
+ ).normalize(); |
+ |
+ if(this.options.renderDiffuse){ |
+ var L = v.dot(info.normal); |
+ if(L > 0.0){ |
+ color = Flog.RayTracer.Color.prototype.add( |
+ color, |
+ Flog.RayTracer.Color.prototype.multiply( |
+ info.color, |
+ Flog.RayTracer.Color.prototype.multiplyScalar( |
+ light.color, |
+ L |
+ ) |
+ ) |
+ ); |
+ } |
+ } |
+ |
+ // The greater the depth the more accurate the colours, but |
+ // this is exponentially (!) expensive |
+ if(depth <= this.options.rayDepth){ |
+ // calculate reflection ray |
+ if(this.options.renderReflections && info.shape.material.reflection > 0) |
+ { |
+ var reflectionRay = this.getReflectionRay(info.position, info.normal, ray.direction); |
+ var refl = this.testIntersection(reflectionRay, scene, info.shape); |
+ |
+ if (refl.isHit && refl.distance > 0){ |
+ refl.color = this.rayTrace(refl, reflectionRay, scene, depth + 1); |
+ } else { |
+ refl.color = scene.background.color; |
+ } |
+ |
+ color = Flog.RayTracer.Color.prototype.blend( |
+ color, |
+ refl.color, |
+ info.shape.material.reflection |
+ ); |
+ } |
+ |
+ // Refraction |
+ /* TODO */ |
+ } |
+ |
+ /* Render shadows and highlights */ |
+ |
+ var shadowInfo = new Flog.RayTracer.IntersectionInfo(); |
+ |
+ if(this.options.renderShadows){ |
+ var shadowRay = new Flog.RayTracer.Ray(info.position, v); |
+ |
+ shadowInfo = this.testIntersection(shadowRay, scene, info.shape); |
+ if(shadowInfo.isHit && shadowInfo.shape != info.shape /*&& shadowInfo.shape.type != 'PLANE'*/){ |
+ var vA = Flog.RayTracer.Color.prototype.multiplyScalar(color, 0.5); |
+ var dB = (0.5 * Math.pow(shadowInfo.shape.material.transparency, 0.5)); |
+ color = Flog.RayTracer.Color.prototype.addScalar(vA,dB); |
+ } |
+ } |
+ |
+ // Phong specular highlights |
+ if(this.options.renderHighlights && !shadowInfo.isHit && info.shape.material.gloss > 0){ |
+ var Lv = Flog.RayTracer.Vector.prototype.subtract( |
+ info.shape.position, |
+ light.position |
+ ).normalize(); |
+ |
+ var E = Flog.RayTracer.Vector.prototype.subtract( |
+ scene.camera.position, |
+ info.shape.position |
+ ).normalize(); |
+ |
+ var H = Flog.RayTracer.Vector.prototype.subtract( |
+ E, |
+ Lv |
+ ).normalize(); |
+ |
+ var glossWeight = Math.pow(Math.max(info.normal.dot(H), 0), shininess); |
+ color = Flog.RayTracer.Color.prototype.add( |
+ Flog.RayTracer.Color.prototype.multiplyScalar(light.color, glossWeight), |
+ color |
+ ); |
+ } |
+ } |
+ color.limit(); |
+ return color; |
+ } |
+}; |
+ |
+ |
+function renderScene(){ |
+ var scene = new Flog.RayTracer.Scene(); |
+ |
+ scene.camera = new Flog.RayTracer.Camera( |
+ new Flog.RayTracer.Vector(0, 0, -15), |
+ new Flog.RayTracer.Vector(-0.2, 0, 5), |
+ new Flog.RayTracer.Vector(0, 1, 0) |
+ ); |
+ |
+ scene.background = new Flog.RayTracer.Background( |
+ new Flog.RayTracer.Color(0.5, 0.5, 0.5), |
+ 0.4 |
+ ); |
+ |
+ var sphere = new Flog.RayTracer.Shape.Sphere( |
+ new Flog.RayTracer.Vector(-1.5, 1.5, 2), |
+ 1.5, |
+ new Flog.RayTracer.Material.Solid( |
+ new Flog.RayTracer.Color(0,0.5,0.5), |
+ 0.3, |
+ 0.0, |
+ 0.0, |
+ 2.0 |
+ ) |
+ ); |
+ |
+ var sphere1 = new Flog.RayTracer.Shape.Sphere( |
+ new Flog.RayTracer.Vector(1, 0.25, 1), |
+ 0.5, |
+ new Flog.RayTracer.Material.Solid( |
+ new Flog.RayTracer.Color(0.9,0.9,0.9), |
+ 0.1, |
+ 0.0, |
+ 0.0, |
+ 1.5 |
+ ) |
+ ); |
+ |
+ var plane = new Flog.RayTracer.Shape.Plane( |
+ new Flog.RayTracer.Vector(0.1, 0.9, -0.5).normalize(), |
+ 1.2, |
+ new Flog.RayTracer.Material.Chessboard( |
+ new Flog.RayTracer.Color(1,1,1), |
+ new Flog.RayTracer.Color(0,0,0), |
+ 0.2, |
+ 0.0, |
+ 1.0, |
+ 0.7 |
+ ) |
+ ); |
+ |
+ scene.shapes.push(plane); |
+ scene.shapes.push(sphere); |
+ scene.shapes.push(sphere1); |
+ |
+ var light = new Flog.RayTracer.Light( |
+ new Flog.RayTracer.Vector(5, 10, -1), |
+ new Flog.RayTracer.Color(0.8, 0.8, 0.8) |
+ ); |
+ |
+ var light1 = new Flog.RayTracer.Light( |
+ new Flog.RayTracer.Vector(-3, 5, -15), |
+ new Flog.RayTracer.Color(0.8, 0.8, 0.8), |
+ 100 |
+ ); |
+ |
+ scene.lights.push(light); |
+ scene.lights.push(light1); |
+ |
+ var imageWidth = 100; // $F('imageWidth'); |
+ var imageHeight = 100; // $F('imageHeight'); |
+ var pixelSize = "5,5".split(','); // $F('pixelSize').split(','); |
+ var renderDiffuse = true; // $F('renderDiffuse'); |
+ var renderShadows = true; // $F('renderShadows'); |
+ var renderHighlights = true; // $F('renderHighlights'); |
+ var renderReflections = true; // $F('renderReflections'); |
+ var rayDepth = 2;//$F('rayDepth'); |
+ |
+ var raytracer = new Flog.RayTracer.Engine( |
+ { |
+ canvasWidth: imageWidth, |
+ canvasHeight: imageHeight, |
+ pixelWidth: pixelSize[0], |
+ pixelHeight: pixelSize[1], |
+ "renderDiffuse": renderDiffuse, |
+ "renderHighlights": renderHighlights, |
+ "renderShadows": renderShadows, |
+ "renderReflections": renderReflections, |
+ "rayDepth": rayDepth |
+ } |
+ ); |
+ |
+ raytracer.renderScene(scene, null, 0); |
+} |
+ |
+window.onload = function(){ |
+startTest("v8-raytrace", ''); |
+ |
+test("RayTrace", renderScene); |
+ |
+endTest(); |
+}; |
+</script> |
+</body> |
+</html> |