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dpavlin |
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/* Prototype JavaScript framework, version 1.3.1 |
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* (c) 2005 Sam Stephenson <sam@conio.net> |
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* |
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* THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff |
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* against the source tree, available from the Prototype darcs repository. |
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* |
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* Prototype is freely distributable under the terms of an MIT-style license. |
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* |
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* For details, see the Prototype web site: http://prototype.conio.net/ |
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* |
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/*--------------------------------------------------------------------------*/ |
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var Prototype = { |
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Version: '1.3.1', |
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emptyFunction: function() {} |
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} |
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var Class = { |
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create: function() { |
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return function() { |
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this.initialize.apply(this, arguments); |
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} |
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} |
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} |
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var Abstract = new Object(); |
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Object.extend = function(destination, source) { |
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for (property in source) { |
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destination[property] = source[property]; |
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} |
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return destination; |
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} |
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Object.prototype.extend = function(object) { |
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return Object.extend.apply(this, [this, object]); |
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} |
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Function.prototype.bind = function(object) { |
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var __method = this; |
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return function() { |
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__method.apply(object, arguments); |
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} |
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} |
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Function.prototype.bindAsEventListener = function(object) { |
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var __method = this; |
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return function(event) { |
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__method.call(object, event || window.event); |
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} |
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} |
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Number.prototype.toColorPart = function() { |
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var digits = this.toString(16); |
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if (this < 16) return '0' + digits; |
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return digits; |
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} |
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var Try = { |
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these: function() { |
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var returnValue; |
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for (var i = 0; i < arguments.length; i++) { |
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var lambda = arguments[i]; |
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try { |
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returnValue = lambda(); |
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break; |
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} catch (e) {} |
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} |
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return returnValue; |
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} |
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} |
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/*--------------------------------------------------------------------------*/ |
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var PeriodicalExecuter = Class.create(); |
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PeriodicalExecuter.prototype = { |
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initialize: function(callback, frequency) { |
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this.callback = callback; |
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this.frequency = frequency; |
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this.currentlyExecuting = false; |
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this.registerCallback(); |
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}, |
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registerCallback: function() { |
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setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
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}, |
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onTimerEvent: function() { |
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if (!this.currentlyExecuting) { |
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try { |
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this.currentlyExecuting = true; |
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this.callback(); |
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} finally { |
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this.currentlyExecuting = false; |
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} |
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} |
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} |
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} |
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/*--------------------------------------------------------------------------*/ |
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function $() { |
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var elements = new Array(); |
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for (var i = 0; i < arguments.length; i++) { |
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var element = arguments[i]; |
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if (typeof element == 'string') |
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element = document.getElementById(element); |
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if (arguments.length == 1) |
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return element; |
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elements.push(element); |
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} |
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return elements; |
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} |
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if (!Array.prototype.push) { |
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Array.prototype.push = function() { |
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var startLength = this.length; |
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for (var i = 0; i < arguments.length; i++) |
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this[startLength + i] = arguments[i]; |
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return this.length; |
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} |
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} |
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if (!Function.prototype.apply) { |
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// Based on code from http://www.youngpup.net/ |
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Function.prototype.apply = function(object, parameters) { |
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var parameterStrings = new Array(); |
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if (!object) object = window; |
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if (!parameters) parameters = new Array(); |
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for (var i = 0; i < parameters.length; i++) |
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parameterStrings[i] = 'parameters[' + i + ']'; |
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object.__apply__ = this; |
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var result = eval('object.__apply__(' + |
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parameterStrings[i].join(', ') + ')'); |
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object.__apply__ = null; |
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return result; |
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} |
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} |
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String.prototype.extend({ |
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stripTags: function() { |
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return this.replace(/<\/?[^>]+>/gi, ''); |
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}, |
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escapeHTML: function() { |
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var div = document.createElement('div'); |
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var text = document.createTextNode(this); |
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div.appendChild(text); |
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return div.innerHTML; |
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}, |
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unescapeHTML: function() { |
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var div = document.createElement('div'); |
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div.innerHTML = this.stripTags(); |
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return div.childNodes[0].nodeValue; |
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} |
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}); |
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var Ajax = { |
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getTransport: function() { |
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return Try.these( |
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function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
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function() {return new ActiveXObject('Microsoft.XMLHTTP')}, |
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function() {return new XMLHttpRequest()} |
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) || false; |
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} |
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} |
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Ajax.Base = function() {}; |
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Ajax.Base.prototype = { |
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setOptions: function(options) { |
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this.options = { |
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method: 'post', |
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asynchronous: true, |
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parameters: '' |
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}.extend(options || {}); |
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}, |
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responseIsSuccess: function() { |
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return this.transport.status == undefined |
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|| this.transport.status == 0 |
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|| (this.transport.status >= 200 && this.transport.status < 300); |
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}, |
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responseIsFailure: function() { |
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return !this.responseIsSuccess(); |
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} |
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} |
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Ajax.Request = Class.create(); |
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Ajax.Request.Events = |
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['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
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Ajax.Request.prototype = (new Ajax.Base()).extend({ |
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initialize: function(url, options) { |
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this.transport = Ajax.getTransport(); |
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this.setOptions(options); |
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this.request(url); |
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}, |
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request: function(url) { |
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var parameters = this.options.parameters || ''; |
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if (parameters.length > 0) parameters += '&_='; |
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try { |
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if (this.options.method == 'get') |
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url += '?' + parameters; |
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this.transport.open(this.options.method, url, |
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this.options.asynchronous); |
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if (this.options.asynchronous) { |
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this.transport.onreadystatechange = this.onStateChange.bind(this); |
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setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); |
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} |
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this.setRequestHeaders(); |
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var body = this.options.postBody ? this.options.postBody : parameters; |
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this.transport.send(this.options.method == 'post' ? body : null); |
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} catch (e) { |
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} |
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}, |
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setRequestHeaders: function() { |
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var requestHeaders = |
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['X-Requested-With', 'XMLHttpRequest', |
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'X-Prototype-Version', Prototype.Version]; |
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if (this.options.method == 'post') { |
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requestHeaders.push('Content-type', |
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'application/x-www-form-urlencoded'); |
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/* Force "Connection: close" for Mozilla browsers to work around |
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* a bug where XMLHttpReqeuest sends an incorrect Content-length |
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* header. See Mozilla Bugzilla #246651. |
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*/ |
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if (this.transport.overrideMimeType) |
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requestHeaders.push('Connection', 'close'); |
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} |
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if (this.options.requestHeaders) |
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requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); |
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for (var i = 0; i < requestHeaders.length; i += 2) |
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this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); |
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}, |
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onStateChange: function() { |
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var readyState = this.transport.readyState; |
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if (readyState != 1) |
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this.respondToReadyState(this.transport.readyState); |
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}, |
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respondToReadyState: function(readyState) { |
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var event = Ajax.Request.Events[readyState]; |
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if (event == 'Complete') |
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(this.options['on' + this.transport.status] |
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|| this.options['on' + this.responseIsSuccess() ? 'Success' : 'Failure'] |
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|| Prototype.emptyFunction)(this.transport); |
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(this.options['on' + event] || Prototype.emptyFunction)(this.transport); |
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/* Avoid memory leak in MSIE: clean up the oncomplete event handler */ |
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if (event == 'Complete') |
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this.transport.onreadystatechange = Prototype.emptyFunction; |
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} |
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}); |
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282 |
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Ajax.Updater = Class.create(); |
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Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)'; |
284 |
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Ajax.Updater.prototype.extend(Ajax.Request.prototype).extend({ |
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initialize: function(container, url, options) { |
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this.containers = { |
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success: container.success ? $(container.success) : $(container), |
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failure: container.failure ? $(container.failure) : |
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(container.success ? null : $(container)) |
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} |
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this.transport = Ajax.getTransport(); |
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this.setOptions(options); |
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var onComplete = this.options.onComplete || Prototype.emptyFunction; |
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this.options.onComplete = (function() { |
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this.updateContent(); |
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onComplete(this.transport); |
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}).bind(this); |
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302 |
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this.request(url); |
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}, |
304 |
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305 |
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updateContent: function() { |
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var receiver = this.responseIsSuccess() ? |
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this.containers.success : this.containers.failure; |
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var match = new RegExp(Ajax.Updater.ScriptFragment, 'img'); |
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var response = this.transport.responseText.replace(match, ''); |
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var scripts = this.transport.responseText.match(match); |
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313 |
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if (receiver) { |
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if (this.options.insertion) { |
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new this.options.insertion(receiver, response); |
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} else { |
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receiver.innerHTML = response; |
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} |
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} |
320 |
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321 |
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if (this.responseIsSuccess()) { |
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if (this.onComplete) |
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setTimeout((function() {this.onComplete( |
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this.transport)}).bind(this), 10); |
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} |
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327 |
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if (this.options.evalScripts && scripts) { |
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match = new RegExp(Ajax.Updater.ScriptFragment, 'im'); |
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setTimeout((function() { |
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for (var i = 0; i < scripts.length; i++) |
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eval(scripts[i].match(match)[1]); |
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}).bind(this), 10); |
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} |
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} |
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}); |
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337 |
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Ajax.PeriodicalUpdater = Class.create(); |
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Ajax.PeriodicalUpdater.prototype = (new Ajax.Base()).extend({ |
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initialize: function(container, url, options) { |
340 |
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this.setOptions(options); |
341 |
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this.onComplete = this.options.onComplete; |
342 |
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343 |
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this.frequency = (this.options.frequency || 2); |
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this.decay = 1; |
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346 |
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this.updater = {}; |
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this.container = container; |
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this.url = url; |
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350 |
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this.start(); |
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}, |
352 |
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353 |
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start: function() { |
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this.options.onComplete = this.updateComplete.bind(this); |
355 |
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this.onTimerEvent(); |
356 |
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}, |
357 |
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358 |
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stop: function() { |
359 |
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this.updater.onComplete = undefined; |
360 |
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clearTimeout(this.timer); |
361 |
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(this.onComplete || Ajax.emptyFunction).apply(this, arguments); |
362 |
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}, |
363 |
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364 |
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updateComplete: function(request) { |
365 |
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if (this.options.decay) { |
366 |
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this.decay = (request.responseText == this.lastText ? |
367 |
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this.decay * this.options.decay : 1); |
368 |
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369 |
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this.lastText = request.responseText; |
370 |
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} |
371 |
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this.timer = setTimeout(this.onTimerEvent.bind(this), |
372 |
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this.decay * this.frequency * 1000); |
373 |
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}, |
374 |
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375 |
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onTimerEvent: function() { |
376 |
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this.updater = new Ajax.Updater(this.container, this.url, this.options); |
377 |
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} |
378 |
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}); |
379 |
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380 |
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document.getElementsByClassName = function(className) { |
381 |
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var children = document.getElementsByTagName('*') || document.all; |
382 |
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var elements = new Array(); |
383 |
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|
384 |
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for (var i = 0; i < children.length; i++) { |
385 |
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var child = children[i]; |
386 |
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var classNames = child.className.split(' '); |
387 |
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for (var j = 0; j < classNames.length; j++) { |
388 |
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if (classNames[j] == className) { |
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elements.push(child); |
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break; |
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} |
392 |
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} |
393 |
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} |
394 |
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|
395 |
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return elements; |
396 |
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} |
397 |
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|
398 |
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/*--------------------------------------------------------------------------*/ |
399 |
|
|
|
400 |
|
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if (!window.Element) { |
401 |
|
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var Element = new Object(); |
402 |
|
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} |
403 |
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|
404 |
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Object.extend(Element, { |
405 |
|
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toggle: function() { |
406 |
|
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for (var i = 0; i < arguments.length; i++) { |
407 |
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var element = $(arguments[i]); |
408 |
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element.style.display = |
409 |
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(element.style.display == 'none' ? '' : 'none'); |
410 |
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} |
411 |
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}, |
412 |
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|
413 |
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hide: function() { |
414 |
|
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for (var i = 0; i < arguments.length; i++) { |
415 |
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var element = $(arguments[i]); |
416 |
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element.style.display = 'none'; |
417 |
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} |
418 |
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}, |
419 |
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|
420 |
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show: function() { |
421 |
|
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for (var i = 0; i < arguments.length; i++) { |
422 |
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var element = $(arguments[i]); |
423 |
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element.style.display = ''; |
424 |
|
|
} |
425 |
|
|
}, |
426 |
|
|
|
427 |
|
|
remove: function(element) { |
428 |
|
|
element = $(element); |
429 |
|
|
element.parentNode.removeChild(element); |
430 |
|
|
}, |
431 |
|
|
|
432 |
|
|
getHeight: function(element) { |
433 |
|
|
element = $(element); |
434 |
|
|
return element.offsetHeight; |
435 |
|
|
}, |
436 |
|
|
|
437 |
|
|
hasClassName: function(element, className) { |
438 |
|
|
element = $(element); |
439 |
|
|
if (!element) |
440 |
|
|
return; |
441 |
|
|
var a = element.className.split(' '); |
442 |
|
|
for (var i = 0; i < a.length; i++) { |
443 |
|
|
if (a[i] == className) |
444 |
|
|
return true; |
445 |
|
|
} |
446 |
|
|
return false; |
447 |
|
|
}, |
448 |
|
|
|
449 |
|
|
addClassName: function(element, className) { |
450 |
|
|
element = $(element); |
451 |
|
|
Element.removeClassName(element, className); |
452 |
|
|
element.className += ' ' + className; |
453 |
|
|
}, |
454 |
|
|
|
455 |
|
|
removeClassName: function(element, className) { |
456 |
|
|
element = $(element); |
457 |
|
|
if (!element) |
458 |
|
|
return; |
459 |
|
|
var newClassName = ''; |
460 |
|
|
var a = element.className.split(' '); |
461 |
|
|
for (var i = 0; i < a.length; i++) { |
462 |
|
|
if (a[i] != className) { |
463 |
|
|
if (i > 0) |
464 |
|
|
newClassName += ' '; |
465 |
|
|
newClassName += a[i]; |
466 |
|
|
} |
467 |
|
|
} |
468 |
|
|
element.className = newClassName; |
469 |
|
|
}, |
470 |
|
|
|
471 |
|
|
// removes whitespace-only text node children |
472 |
|
|
cleanWhitespace: function(element) { |
473 |
|
|
var element = $(element); |
474 |
|
|
for (var i = 0; i < element.childNodes.length; i++) { |
475 |
|
|
var node = element.childNodes[i]; |
476 |
|
|
if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
477 |
|
|
Element.remove(node); |
478 |
|
|
} |
479 |
|
|
} |
480 |
|
|
}); |
481 |
|
|
|
482 |
|
|
var Toggle = new Object(); |
483 |
|
|
Toggle.display = Element.toggle; |
484 |
|
|
|
485 |
|
|
/*--------------------------------------------------------------------------*/ |
486 |
|
|
|
487 |
|
|
Abstract.Insertion = function(adjacency) { |
488 |
|
|
this.adjacency = adjacency; |
489 |
|
|
} |
490 |
|
|
|
491 |
|
|
Abstract.Insertion.prototype = { |
492 |
|
|
initialize: function(element, content) { |
493 |
|
|
this.element = $(element); |
494 |
|
|
this.content = content; |
495 |
|
|
|
496 |
|
|
if (this.adjacency && this.element.insertAdjacentHTML) { |
497 |
|
|
this.element.insertAdjacentHTML(this.adjacency, this.content); |
498 |
|
|
} else { |
499 |
|
|
this.range = this.element.ownerDocument.createRange(); |
500 |
|
|
if (this.initializeRange) this.initializeRange(); |
501 |
|
|
this.fragment = this.range.createContextualFragment(this.content); |
502 |
|
|
this.insertContent(); |
503 |
|
|
} |
504 |
|
|
} |
505 |
|
|
} |
506 |
|
|
|
507 |
|
|
var Insertion = new Object(); |
508 |
|
|
|
509 |
|
|
Insertion.Before = Class.create(); |
510 |
|
|
Insertion.Before.prototype = (new Abstract.Insertion('beforeBegin')).extend({ |
511 |
|
|
initializeRange: function() { |
512 |
|
|
this.range.setStartBefore(this.element); |
513 |
|
|
}, |
514 |
|
|
|
515 |
|
|
insertContent: function() { |
516 |
|
|
this.element.parentNode.insertBefore(this.fragment, this.element); |
517 |
|
|
} |
518 |
|
|
}); |
519 |
|
|
|
520 |
|
|
Insertion.Top = Class.create(); |
521 |
|
|
Insertion.Top.prototype = (new Abstract.Insertion('afterBegin')).extend({ |
522 |
|
|
initializeRange: function() { |
523 |
|
|
this.range.selectNodeContents(this.element); |
524 |
|
|
this.range.collapse(true); |
525 |
|
|
}, |
526 |
|
|
|
527 |
|
|
insertContent: function() { |
528 |
|
|
this.element.insertBefore(this.fragment, this.element.firstChild); |
529 |
|
|
} |
530 |
|
|
}); |
531 |
|
|
|
532 |
|
|
Insertion.Bottom = Class.create(); |
533 |
|
|
Insertion.Bottom.prototype = (new Abstract.Insertion('beforeEnd')).extend({ |
534 |
|
|
initializeRange: function() { |
535 |
|
|
this.range.selectNodeContents(this.element); |
536 |
|
|
this.range.collapse(this.element); |
537 |
|
|
}, |
538 |
|
|
|
539 |
|
|
insertContent: function() { |
540 |
|
|
this.element.appendChild(this.fragment); |
541 |
|
|
} |
542 |
|
|
}); |
543 |
|
|
|
544 |
|
|
Insertion.After = Class.create(); |
545 |
|
|
Insertion.After.prototype = (new Abstract.Insertion('afterEnd')).extend({ |
546 |
|
|
initializeRange: function() { |
547 |
|
|
this.range.setStartAfter(this.element); |
548 |
|
|
}, |
549 |
|
|
|
550 |
|
|
insertContent: function() { |
551 |
|
|
this.element.parentNode.insertBefore(this.fragment, |
552 |
|
|
this.element.nextSibling); |
553 |
|
|
} |
554 |
|
|
}); |
555 |
|
|
|
556 |
|
|
var Field = { |
557 |
|
|
clear: function() { |
558 |
|
|
for (var i = 0; i < arguments.length; i++) |
559 |
|
|
$(arguments[i]).value = ''; |
560 |
|
|
}, |
561 |
|
|
|
562 |
|
|
focus: function(element) { |
563 |
|
|
$(element).focus(); |
564 |
|
|
}, |
565 |
|
|
|
566 |
|
|
present: function() { |
567 |
|
|
for (var i = 0; i < arguments.length; i++) |
568 |
|
|
if ($(arguments[i]).value == '') return false; |
569 |
|
|
return true; |
570 |
|
|
}, |
571 |
|
|
|
572 |
|
|
select: function(element) { |
573 |
|
|
$(element).select(); |
574 |
|
|
}, |
575 |
|
|
|
576 |
|
|
activate: function(element) { |
577 |
|
|
$(element).focus(); |
578 |
|
|
$(element).select(); |
579 |
|
|
} |
580 |
|
|
} |
581 |
|
|
|
582 |
|
|
/*--------------------------------------------------------------------------*/ |
583 |
|
|
|
584 |
|
|
var Form = { |
585 |
|
|
serialize: function(form) { |
586 |
|
|
var elements = Form.getElements($(form)); |
587 |
|
|
var queryComponents = new Array(); |
588 |
|
|
|
589 |
|
|
for (var i = 0; i < elements.length; i++) { |
590 |
|
|
var queryComponent = Form.Element.serialize(elements[i]); |
591 |
|
|
if (queryComponent) |
592 |
|
|
queryComponents.push(queryComponent); |
593 |
|
|
} |
594 |
|
|
|
595 |
|
|
return queryComponents.join('&'); |
596 |
|
|
}, |
597 |
|
|
|
598 |
|
|
getElements: function(form) { |
599 |
|
|
var form = $(form); |
600 |
|
|
var elements = new Array(); |
601 |
|
|
|
602 |
|
|
for (tagName in Form.Element.Serializers) { |
603 |
|
|
var tagElements = form.getElementsByTagName(tagName); |
604 |
|
|
for (var j = 0; j < tagElements.length; j++) |
605 |
|
|
elements.push(tagElements[j]); |
606 |
|
|
} |
607 |
|
|
return elements; |
608 |
|
|
}, |
609 |
|
|
|
610 |
|
|
getInputs: function(form, typeName, name) { |
611 |
|
|
var form = $(form); |
612 |
|
|
var inputs = form.getElementsByTagName('input'); |
613 |
|
|
|
614 |
|
|
if (!typeName && !name) |
615 |
|
|
return inputs; |
616 |
|
|
|
617 |
|
|
var matchingInputs = new Array(); |
618 |
|
|
for (var i = 0; i < inputs.length; i++) { |
619 |
|
|
var input = inputs[i]; |
620 |
|
|
if ((typeName && input.type != typeName) || |
621 |
|
|
(name && input.name != name)) |
622 |
|
|
continue; |
623 |
|
|
matchingInputs.push(input); |
624 |
|
|
} |
625 |
|
|
|
626 |
|
|
return matchingInputs; |
627 |
|
|
}, |
628 |
|
|
|
629 |
|
|
disable: function(form) { |
630 |
|
|
var elements = Form.getElements(form); |
631 |
|
|
for (var i = 0; i < elements.length; i++) { |
632 |
|
|
var element = elements[i]; |
633 |
|
|
element.blur(); |
634 |
|
|
element.disabled = 'true'; |
635 |
|
|
} |
636 |
|
|
}, |
637 |
|
|
|
638 |
|
|
enable: function(form) { |
639 |
|
|
var elements = Form.getElements(form); |
640 |
|
|
for (var i = 0; i < elements.length; i++) { |
641 |
|
|
var element = elements[i]; |
642 |
|
|
element.disabled = ''; |
643 |
|
|
} |
644 |
|
|
}, |
645 |
|
|
|
646 |
|
|
focusFirstElement: function(form) { |
647 |
|
|
var form = $(form); |
648 |
|
|
var elements = Form.getElements(form); |
649 |
|
|
for (var i = 0; i < elements.length; i++) { |
650 |
|
|
var element = elements[i]; |
651 |
|
|
if (element.type != 'hidden' && !element.disabled) { |
652 |
|
|
Field.activate(element); |
653 |
|
|
break; |
654 |
|
|
} |
655 |
|
|
} |
656 |
|
|
}, |
657 |
|
|
|
658 |
|
|
reset: function(form) { |
659 |
|
|
$(form).reset(); |
660 |
|
|
} |
661 |
|
|
} |
662 |
|
|
|
663 |
|
|
Form.Element = { |
664 |
|
|
serialize: function(element) { |
665 |
|
|
var element = $(element); |
666 |
|
|
var method = element.tagName.toLowerCase(); |
667 |
|
|
var parameter = Form.Element.Serializers[method](element); |
668 |
|
|
|
669 |
|
|
if (parameter) |
670 |
|
|
return encodeURIComponent(parameter[0]) + '=' + |
671 |
|
|
encodeURIComponent(parameter[1]); |
672 |
|
|
}, |
673 |
|
|
|
674 |
|
|
getValue: function(element) { |
675 |
|
|
var element = $(element); |
676 |
|
|
var method = element.tagName.toLowerCase(); |
677 |
|
|
var parameter = Form.Element.Serializers[method](element); |
678 |
|
|
|
679 |
|
|
if (parameter) |
680 |
|
|
return parameter[1]; |
681 |
|
|
} |
682 |
|
|
} |
683 |
|
|
|
684 |
|
|
Form.Element.Serializers = { |
685 |
|
|
input: function(element) { |
686 |
|
|
switch (element.type.toLowerCase()) { |
687 |
|
|
case 'submit': |
688 |
|
|
case 'hidden': |
689 |
|
|
case 'password': |
690 |
|
|
case 'text': |
691 |
|
|
return Form.Element.Serializers.textarea(element); |
692 |
|
|
case 'checkbox': |
693 |
|
|
case 'radio': |
694 |
|
|
return Form.Element.Serializers.inputSelector(element); |
695 |
|
|
} |
696 |
|
|
return false; |
697 |
|
|
}, |
698 |
|
|
|
699 |
|
|
inputSelector: function(element) { |
700 |
|
|
if (element.checked) |
701 |
|
|
return [element.name, element.value]; |
702 |
|
|
}, |
703 |
|
|
|
704 |
|
|
textarea: function(element) { |
705 |
|
|
return [element.name, element.value]; |
706 |
|
|
}, |
707 |
|
|
|
708 |
|
|
select: function(element) { |
709 |
|
|
var value = ''; |
710 |
|
|
if (element.type == 'select-one') { |
711 |
|
|
var index = element.selectedIndex; |
712 |
|
|
if (index >= 0) |
713 |
|
|
value = element.options[index].value || element.options[index].text; |
714 |
|
|
} else { |
715 |
|
|
value = new Array(); |
716 |
|
|
for (var i = 0; i < element.length; i++) { |
717 |
|
|
var opt = element.options[i]; |
718 |
|
|
if (opt.selected) |
719 |
|
|
value.push(opt.value || opt.text); |
720 |
|
|
} |
721 |
|
|
} |
722 |
|
|
return [element.name, value]; |
723 |
|
|
} |
724 |
|
|
} |
725 |
|
|
|
726 |
|
|
/*--------------------------------------------------------------------------*/ |
727 |
|
|
|
728 |
|
|
var $F = Form.Element.getValue; |
729 |
|
|
|
730 |
|
|
/*--------------------------------------------------------------------------*/ |
731 |
|
|
|
732 |
|
|
Abstract.TimedObserver = function() {} |
733 |
|
|
Abstract.TimedObserver.prototype = { |
734 |
|
|
initialize: function(element, frequency, callback) { |
735 |
|
|
this.frequency = frequency; |
736 |
|
|
this.element = $(element); |
737 |
|
|
this.callback = callback; |
738 |
|
|
|
739 |
|
|
this.lastValue = this.getValue(); |
740 |
|
|
this.registerCallback(); |
741 |
|
|
}, |
742 |
|
|
|
743 |
|
|
registerCallback: function() { |
744 |
|
|
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
745 |
|
|
}, |
746 |
|
|
|
747 |
|
|
onTimerEvent: function() { |
748 |
|
|
var value = this.getValue(); |
749 |
|
|
if (this.lastValue != value) { |
750 |
|
|
this.callback(this.element, value); |
751 |
|
|
this.lastValue = value; |
752 |
|
|
} |
753 |
|
|
} |
754 |
|
|
} |
755 |
|
|
|
756 |
|
|
Form.Element.Observer = Class.create(); |
757 |
|
|
Form.Element.Observer.prototype = (new Abstract.TimedObserver()).extend({ |
758 |
|
|
getValue: function() { |
759 |
|
|
return Form.Element.getValue(this.element); |
760 |
|
|
} |
761 |
|
|
}); |
762 |
|
|
|
763 |
|
|
Form.Observer = Class.create(); |
764 |
|
|
Form.Observer.prototype = (new Abstract.TimedObserver()).extend({ |
765 |
|
|
getValue: function() { |
766 |
|
|
return Form.serialize(this.element); |
767 |
|
|
} |
768 |
|
|
}); |
769 |
|
|
|
770 |
|
|
/*--------------------------------------------------------------------------*/ |
771 |
|
|
|
772 |
|
|
Abstract.EventObserver = function() {} |
773 |
|
|
Abstract.EventObserver.prototype = { |
774 |
|
|
initialize: function(element, callback) { |
775 |
|
|
this.element = $(element); |
776 |
|
|
this.callback = callback; |
777 |
|
|
|
778 |
|
|
this.lastValue = this.getValue(); |
779 |
|
|
if (this.element.tagName.toLowerCase() == 'form') |
780 |
|
|
this.registerFormCallbacks(); |
781 |
|
|
else |
782 |
|
|
this.registerCallback(this.element); |
783 |
|
|
}, |
784 |
|
|
|
785 |
|
|
onElementEvent: function() { |
786 |
|
|
var value = this.getValue(); |
787 |
|
|
if (this.lastValue != value) { |
788 |
|
|
this.callback(this.element, value); |
789 |
|
|
this.lastValue = value; |
790 |
|
|
} |
791 |
|
|
}, |
792 |
|
|
|
793 |
|
|
registerFormCallbacks: function() { |
794 |
|
|
var elements = Form.getElements(this.element); |
795 |
|
|
for (var i = 0; i < elements.length; i++) |
796 |
|
|
this.registerCallback(elements[i]); |
797 |
|
|
}, |
798 |
|
|
|
799 |
|
|
registerCallback: function(element) { |
800 |
|
|
if (element.type) { |
801 |
|
|
switch (element.type.toLowerCase()) { |
802 |
|
|
case 'checkbox': |
803 |
|
|
case 'radio': |
804 |
|
|
element.target = this; |
805 |
|
|
element.prev_onclick = element.onclick || Prototype.emptyFunction; |
806 |
|
|
element.onclick = function() { |
807 |
|
|
this.prev_onclick(); |
808 |
|
|
this.target.onElementEvent(); |
809 |
|
|
} |
810 |
|
|
break; |
811 |
|
|
case 'password': |
812 |
|
|
case 'text': |
813 |
|
|
case 'textarea': |
814 |
|
|
case 'select-one': |
815 |
|
|
case 'select-multiple': |
816 |
|
|
element.target = this; |
817 |
|
|
element.prev_onchange = element.onchange || Prototype.emptyFunction; |
818 |
|
|
element.onchange = function() { |
819 |
|
|
this.prev_onchange(); |
820 |
|
|
this.target.onElementEvent(); |
821 |
|
|
} |
822 |
|
|
break; |
823 |
|
|
} |
824 |
|
|
} |
825 |
|
|
} |
826 |
|
|
} |
827 |
|
|
|
828 |
|
|
Form.Element.EventObserver = Class.create(); |
829 |
|
|
Form.Element.EventObserver.prototype = (new Abstract.EventObserver()).extend({ |
830 |
|
|
getValue: function() { |
831 |
|
|
return Form.Element.getValue(this.element); |
832 |
|
|
} |
833 |
|
|
}); |
834 |
|
|
|
835 |
|
|
Form.EventObserver = Class.create(); |
836 |
|
|
Form.EventObserver.prototype = (new Abstract.EventObserver()).extend({ |
837 |
|
|
getValue: function() { |
838 |
|
|
return Form.serialize(this.element); |
839 |
|
|
} |
840 |
|
|
}); |
841 |
|
|
|
842 |
|
|
|
843 |
|
|
if (!window.Event) { |
844 |
|
|
var Event = new Object(); |
845 |
|
|
} |
846 |
|
|
|
847 |
|
|
Object.extend(Event, { |
848 |
|
|
KEY_BACKSPACE: 8, |
849 |
|
|
KEY_TAB: 9, |
850 |
|
|
KEY_RETURN: 13, |
851 |
|
|
KEY_ESC: 27, |
852 |
|
|
KEY_LEFT: 37, |
853 |
|
|
KEY_UP: 38, |
854 |
|
|
KEY_RIGHT: 39, |
855 |
|
|
KEY_DOWN: 40, |
856 |
|
|
KEY_DELETE: 46, |
857 |
|
|
|
858 |
|
|
element: function(event) { |
859 |
|
|
return event.target || event.srcElement; |
860 |
|
|
}, |
861 |
|
|
|
862 |
|
|
isLeftClick: function(event) { |
863 |
|
|
return (((event.which) && (event.which == 1)) || |
864 |
|
|
((event.button) && (event.button == 1))); |
865 |
|
|
}, |
866 |
|
|
|
867 |
|
|
pointerX: function(event) { |
868 |
|
|
return event.pageX || (event.clientX + |
869 |
|
|
(document.documentElement.scrollLeft || document.body.scrollLeft)); |
870 |
|
|
}, |
871 |
|
|
|
872 |
|
|
pointerY: function(event) { |
873 |
|
|
return event.pageY || (event.clientY + |
874 |
|
|
(document.documentElement.scrollTop || document.body.scrollTop)); |
875 |
|
|
}, |
876 |
|
|
|
877 |
|
|
stop: function(event) { |
878 |
|
|
if (event.preventDefault) { |
879 |
|
|
event.preventDefault(); |
880 |
|
|
event.stopPropagation(); |
881 |
|
|
} else { |
882 |
|
|
event.returnValue = false; |
883 |
|
|
} |
884 |
|
|
}, |
885 |
|
|
|
886 |
|
|
// find the first node with the given tagName, starting from the |
887 |
|
|
// node the event was triggered on; traverses the DOM upwards |
888 |
|
|
findElement: function(event, tagName) { |
889 |
|
|
var element = Event.element(event); |
890 |
|
|
while (element.parentNode && (!element.tagName || |
891 |
|
|
(element.tagName.toUpperCase() != tagName.toUpperCase()))) |
892 |
|
|
element = element.parentNode; |
893 |
|
|
return element; |
894 |
|
|
}, |
895 |
|
|
|
896 |
|
|
observers: false, |
897 |
|
|
|
898 |
|
|
_observeAndCache: function(element, name, observer, useCapture) { |
899 |
|
|
if (!this.observers) this.observers = []; |
900 |
|
|
if (element.addEventListener) { |
901 |
|
|
this.observers.push([element, name, observer, useCapture]); |
902 |
|
|
element.addEventListener(name, observer, useCapture); |
903 |
|
|
} else if (element.attachEvent) { |
904 |
|
|
this.observers.push([element, name, observer, useCapture]); |
905 |
|
|
element.attachEvent('on' + name, observer); |
906 |
|
|
} |
907 |
|
|
}, |
908 |
|
|
|
909 |
|
|
unloadCache: function() { |
910 |
|
|
if (!Event.observers) return; |
911 |
|
|
for (var i = 0; i < Event.observers.length; i++) { |
912 |
|
|
Event.stopObserving.apply(this, Event.observers[i]); |
913 |
|
|
Event.observers[i][0] = null; |
914 |
|
|
} |
915 |
|
|
Event.observers = false; |
916 |
|
|
}, |
917 |
|
|
|
918 |
|
|
observe: function(element, name, observer, useCapture) { |
919 |
|
|
var element = $(element); |
920 |
|
|
useCapture = useCapture || false; |
921 |
|
|
|
922 |
|
|
if (name == 'keypress' && |
923 |
|
|
((navigator.appVersion.indexOf('AppleWebKit') > 0) |
924 |
|
|
|| element.attachEvent)) |
925 |
|
|
name = 'keydown'; |
926 |
|
|
|
927 |
|
|
this._observeAndCache(element, name, observer, useCapture); |
928 |
|
|
}, |
929 |
|
|
|
930 |
|
|
stopObserving: function(element, name, observer, useCapture) { |
931 |
|
|
var element = $(element); |
932 |
|
|
useCapture = useCapture || false; |
933 |
|
|
|
934 |
|
|
if (name == 'keypress' && |
935 |
|
|
((navigator.appVersion.indexOf('AppleWebKit') > 0) |
936 |
|
|
|| element.detachEvent)) |
937 |
|
|
name = 'keydown'; |
938 |
|
|
|
939 |
|
|
if (element.removeEventListener) { |
940 |
|
|
element.removeEventListener(name, observer, useCapture); |
941 |
|
|
} else if (element.detachEvent) { |
942 |
|
|
element.detachEvent('on' + name, observer); |
943 |
|
|
} |
944 |
|
|
} |
945 |
|
|
}); |
946 |
|
|
|
947 |
|
|
/* prevent memory leaks in IE */ |
948 |
|
|
Event.observe(window, 'unload', Event.unloadCache, false); |
949 |
|
|
|
950 |
|
|
var Position = { |
951 |
|
|
|
952 |
|
|
// set to true if needed, warning: firefox performance problems |
953 |
|
|
// NOT neeeded for page scrolling, only if draggable contained in |
954 |
|
|
// scrollable elements |
955 |
|
|
includeScrollOffsets: false, |
956 |
|
|
|
957 |
|
|
// must be called before calling withinIncludingScrolloffset, every time the |
958 |
|
|
// page is scrolled |
959 |
|
|
prepare: function() { |
960 |
|
|
this.deltaX = window.pageXOffset |
961 |
|
|
|| document.documentElement.scrollLeft |
962 |
|
|
|| document.body.scrollLeft |
963 |
|
|
|| 0; |
964 |
|
|
this.deltaY = window.pageYOffset |
965 |
|
|
|| document.documentElement.scrollTop |
966 |
|
|
|| document.body.scrollTop |
967 |
|
|
|| 0; |
968 |
|
|
}, |
969 |
|
|
|
970 |
|
|
realOffset: function(element) { |
971 |
|
|
var valueT = 0, valueL = 0; |
972 |
|
|
do { |
973 |
|
|
valueT += element.scrollTop || 0; |
974 |
|
|
valueL += element.scrollLeft || 0; |
975 |
|
|
element = element.parentNode; |
976 |
|
|
} while (element); |
977 |
|
|
return [valueL, valueT]; |
978 |
|
|
}, |
979 |
|
|
|
980 |
|
|
cumulativeOffset: function(element) { |
981 |
|
|
var valueT = 0, valueL = 0; |
982 |
|
|
do { |
983 |
|
|
valueT += element.offsetTop || 0; |
984 |
|
|
valueL += element.offsetLeft || 0; |
985 |
|
|
element = element.offsetParent; |
986 |
|
|
} while (element); |
987 |
|
|
return [valueL, valueT]; |
988 |
|
|
}, |
989 |
|
|
|
990 |
|
|
// caches x/y coordinate pair to use with overlap |
991 |
|
|
within: function(element, x, y) { |
992 |
|
|
if (this.includeScrollOffsets) |
993 |
|
|
return this.withinIncludingScrolloffsets(element, x, y); |
994 |
|
|
this.xcomp = x; |
995 |
|
|
this.ycomp = y; |
996 |
|
|
this.offset = this.cumulativeOffset(element); |
997 |
|
|
|
998 |
|
|
return (y >= this.offset[1] && |
999 |
|
|
y < this.offset[1] + element.offsetHeight && |
1000 |
|
|
x >= this.offset[0] && |
1001 |
|
|
x < this.offset[0] + element.offsetWidth); |
1002 |
|
|
}, |
1003 |
|
|
|
1004 |
|
|
withinIncludingScrolloffsets: function(element, x, y) { |
1005 |
|
|
var offsetcache = this.realOffset(element); |
1006 |
|
|
|
1007 |
|
|
this.xcomp = x + offsetcache[0] - this.deltaX; |
1008 |
|
|
this.ycomp = y + offsetcache[1] - this.deltaY; |
1009 |
|
|
this.offset = this.cumulativeOffset(element); |
1010 |
|
|
|
1011 |
|
|
return (this.ycomp >= this.offset[1] && |
1012 |
|
|
this.ycomp < this.offset[1] + element.offsetHeight && |
1013 |
|
|
this.xcomp >= this.offset[0] && |
1014 |
|
|
this.xcomp < this.offset[0] + element.offsetWidth); |
1015 |
|
|
}, |
1016 |
|
|
|
1017 |
|
|
// within must be called directly before |
1018 |
|
|
overlap: function(mode, element) { |
1019 |
|
|
if (!mode) return 0; |
1020 |
|
|
if (mode == 'vertical') |
1021 |
|
|
return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
1022 |
|
|
element.offsetHeight; |
1023 |
|
|
if (mode == 'horizontal') |
1024 |
|
|
return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
1025 |
|
|
element.offsetWidth; |
1026 |
|
|
}, |
1027 |
|
|
|
1028 |
|
|
clone: function(source, target) { |
1029 |
|
|
source = $(source); |
1030 |
|
|
target = $(target); |
1031 |
|
|
target.style.position = 'absolute'; |
1032 |
|
|
var offsets = this.cumulativeOffset(source); |
1033 |
|
|
target.style.top = offsets[1] + 'px'; |
1034 |
|
|
target.style.left = offsets[0] + 'px'; |
1035 |
|
|
target.style.width = source.offsetWidth + 'px'; |
1036 |
|
|
target.style.height = source.offsetHeight + 'px'; |
1037 |
|
|
} |
1038 |
|
|
} |