| /* Prototype JavaScript framework, version 1.4.0_pre4 |
| * (c) 2005 Sam Stephenson <sam@conio.net> |
| * |
| * THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff |
| * against the source tree, available from the Prototype darcs repository. |
| * |
| * 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: '1.4.0_pre4', |
| |
| 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 (property in source) { |
| destination[property] = source[property]; |
| } |
| return destination; |
| } |
| |
| Function.prototype.bind = function(object) { |
| var __method = this; |
| return function() { |
| return __method.apply(object, arguments); |
| } |
| } |
| |
| Function.prototype.bindAsEventListener = function(object) { |
| var __method = this; |
| return function(event) { |
| return __method.call(object, event || window.event); |
| } |
| } |
| |
| Number.prototype.toColorPart = function() { |
| var digits = this.toString(16); |
| if (this < 16) return '0' + digits; |
| return digits; |
| } |
| |
| var Try = { |
| these: function() { |
| var returnValue; |
| |
| for (var i = 0; i < arguments.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() { |
| setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
| }, |
| |
| onTimerEvent: function() { |
| if (!this.currentlyExecuting) { |
| try { |
| this.currentlyExecuting = true; |
| this.callback(); |
| } finally { |
| this.currentlyExecuting = false; |
| } |
| } |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| function $() { |
| var elements = new Array(); |
| |
| for (var i = 0; i < arguments.length; i++) { |
| var element = arguments[i]; |
| if (typeof element == 'string') |
| element = document.getElementById(element); |
| |
| if (arguments.length == 1) |
| return element; |
| |
| elements.push(element); |
| } |
| |
| return elements; |
| } |
| |
| if (!Array.prototype.push) { |
| Array.prototype.push = function() { |
| var startLength = this.length; |
| for (var i = 0; i < arguments.length; i++) |
| this[startLength + i] = arguments[i]; |
| return this.length; |
| } |
| } |
| |
| if (!Function.prototype.apply) { |
| // Based on code from http://www.youngpup.net/ |
| Function.prototype.apply = function(object, parameters) { |
| var parameterStrings = new Array(); |
| if (!object) object = window; |
| if (!parameters) parameters = new Array(); |
| |
| for (var i = 0; i < parameters.length; i++) |
| parameterStrings[i] = 'parameters[' + i + ']'; |
| |
| object.__apply__ = this; |
| var result = eval('object.__apply__(' + |
| parameterStrings.join(', ') + ')'); |
| object.__apply__ = null; |
| |
| return result; |
| } |
| } |
| |
| Object.extend(String.prototype, { |
| stripTags: function() { |
| return this.replace(/<\/?[^>]+>/gi, ''); |
| }, |
| |
| 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].nodeValue; |
| }, |
| |
| parseQuery: function() { |
| var str = this; |
| if (str.substring(0,1) == '?') { |
| str = this.substring(1); |
| } |
| var result = {}; |
| var pairs = str.split('&'); |
| for (var i = 0; i < pairs.length; i++) { |
| var pair = pairs[i].split('='); |
| result[pair[0]] = pair[1]; |
| } |
| return result; |
| } |
| }); |
| |
| |
| 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; |
| } |
| }, |
| |
| all: function(iterator) { |
| var result = true; |
| this.each(function(value, index) { |
| if (!(result &= (iterator || Prototype.K)(value, index))) |
| throw _break; |
| }); |
| return result; |
| }, |
| |
| any: function(iterator) { |
| var result = true; |
| 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(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; |
| }, |
| |
| 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.collect(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 (value >= (result || value)) |
| result = value; |
| }); |
| return result; |
| }, |
| |
| min: function(iterator) { |
| var result; |
| this.each(function(value, index) { |
| value = (iterator || Prototype.K)(value, index); |
| if (value <= (result || value)) |
| 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.collect(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.collect(Prototype.K); |
| }, |
| |
| 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) { |
| iterator(value = collections.pluck(index)); |
| return value; |
| }); |
| } |
| } |
| |
| Object.extend(Enumerable, { |
| map: Enumerable.collect, |
| find: Enumerable.detect, |
| select: Enumerable.findAll, |
| member: Enumerable.include, |
| entries: Enumerable.toArray |
| }); |
| |
| $A = Array.from = function(iterable) { |
| var results = []; |
| for (var i = 0; i < iterable.length; i++) |
| results.push(iterable[i]); |
| return results; |
| } |
| |
| Object.extend(Array.prototype, { |
| _each: function(iterator) { |
| for (var i = 0; i < this.length; i++) |
| iterator(this[i]); |
| }, |
| |
| first: function() { |
| return this[0]; |
| }, |
| |
| last: function() { |
| return this[this.length - 1]; |
| } |
| }); |
| |
| Object.extend(Array.prototype, Enumerable); |
| |
| |
| var Ajax = { |
| getTransport: function() { |
| return Try.these( |
| function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
| function() {return new ActiveXObject('Microsoft.XMLHTTP')}, |
| function() {return new XMLHttpRequest()} |
| ) || false; |
| } |
| } |
| |
| Ajax.Base = function() {}; |
| Ajax.Base.prototype = { |
| setOptions: function(options) { |
| this.options = { |
| method: 'post', |
| asynchronous: true, |
| parameters: '' |
| } |
| Object.extend(this.options, options || {}); |
| }, |
| |
| responseIsSuccess: function() { |
| return this.transport.status == undefined |
| || this.transport.status == 0 |
| || (this.transport.status >= 200 && this.transport.status < 300); |
| }, |
| |
| responseIsFailure: function() { |
| return !this.responseIsSuccess(); |
| } |
| } |
| |
| Ajax.Request = Class.create(); |
| Ajax.Request.Events = |
| ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
| |
| Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
| initialize: function(url, options) { |
| this.transport = Ajax.getTransport(); |
| this.setOptions(options); |
| this.request(url); |
| }, |
| |
| request: function(url) { |
| var parameters = this.options.parameters || ''; |
| if (parameters.length > 0) parameters += '&_='; |
| |
| try { |
| if (this.options.method == 'get') |
| url += '?' + parameters; |
| |
| this.transport.open(this.options.method, url, |
| this.options.asynchronous); |
| |
| if (this.options.asynchronous) { |
| this.transport.onreadystatechange = this.onStateChange.bind(this); |
| setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); |
| } |
| |
| this.setRequestHeaders(); |
| |
| var body = this.options.postBody ? this.options.postBody : parameters; |
| this.transport.send(this.options.method == 'post' ? body : null); |
| |
| } catch (e) { |
| } |
| }, |
| |
| setRequestHeaders: function() { |
| var requestHeaders = |
| ['X-Requested-With', 'XMLHttpRequest', |
| 'X-Prototype-Version', Prototype.Version]; |
| |
| if (this.options.method == 'post') { |
| requestHeaders.push('Content-type', |
| 'application/x-www-form-urlencoded'); |
| |
| /* Force "Connection: close" for Mozilla browsers to work around |
| * a bug where XMLHttpReqeuest sends an incorrect Content-length |
| * header. See Mozilla Bugzilla #246651. |
| */ |
| if (this.transport.overrideMimeType) |
| requestHeaders.push('Connection', 'close'); |
| } |
| |
| if (this.options.requestHeaders) |
| requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); |
| |
| for (var i = 0; i < requestHeaders.length; i += 2) |
| this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); |
| }, |
| |
| onStateChange: function() { |
| var readyState = this.transport.readyState; |
| if (readyState != 1) |
| this.respondToReadyState(this.transport.readyState); |
| }, |
| |
| respondToReadyState: function(readyState) { |
| var event = Ajax.Request.Events[readyState]; |
| |
| if (event == 'Complete') |
| (this.options['on' + this.transport.status] |
| || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')] |
| || Prototype.emptyFunction)(this.transport); |
| |
| (this.options['on' + event] || Prototype.emptyFunction)(this.transport); |
| |
| /* Avoid memory leak in MSIE: clean up the oncomplete event handler */ |
| if (event == 'Complete') |
| this.transport.onreadystatechange = Prototype.emptyFunction; |
| } |
| }); |
| |
| Ajax.Updater = Class.create(); |
| Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)'; |
| |
| Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
| initialize: function(container, url, options) { |
| this.containers = { |
| success: container.success ? $(container.success) : $(container), |
| failure: 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() { |
| this.updateContent(); |
| onComplete(this.transport); |
| }).bind(this); |
| |
| this.request(url); |
| }, |
| |
| updateContent: function() { |
| var receiver = this.responseIsSuccess() ? |
| this.containers.success : this.containers.failure; |
| |
| var match = new RegExp(Ajax.Updater.ScriptFragment, 'img'); |
| var response = this.transport.responseText.replace(match, ''); |
| var scripts = this.transport.responseText.match(match); |
| |
| if (receiver) { |
| if (this.options.insertion) { |
| new this.options.insertion(receiver, response); |
| } else { |
| receiver.innerHTML = response; |
| } |
| } |
| |
| if (this.responseIsSuccess()) { |
| if (this.onComplete) |
| setTimeout((function() {this.onComplete( |
| this.transport)}).bind(this), 10); |
| } |
| |
| if (this.options.evalScripts && scripts) { |
| match = new RegExp(Ajax.Updater.ScriptFragment, 'im'); |
| setTimeout((function() { |
| for (var i = 0; i < scripts.length; i++) |
| eval(scripts[i].match(match)[1]); |
| }).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 = 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.onComplete = undefined; |
| clearTimeout(this.timer); |
| (this.onComplete || Ajax.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); |
| } |
| }); |
| |
| document.getElementsByClassName = function(className) { |
| var children = document.getElementsByTagName('*') || document.all; |
| var elements = new Array(); |
| |
| for (var i = 0; i < children.length; i++) { |
| var child = children[i]; |
| var classNames = child.className.split(' '); |
| for (var j = 0; j < classNames.length; j++) { |
| if (classNames[j] == className) { |
| elements.push(child); |
| break; |
| } |
| } |
| } |
| |
| return elements; |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| if (!window.Element) { |
| var Element = new Object(); |
| } |
| |
| Object.extend(Element, { |
| toggle: function() { |
| for (var i = 0; i < arguments.length; i++) { |
| var element = $(arguments[i]); |
| element.style.display = |
| (element.style.display == 'none' ? '' : 'none'); |
| } |
| }, |
| |
| hide: function() { |
| for (var i = 0; i < arguments.length; i++) { |
| var element = $(arguments[i]); |
| element.style.display = 'none'; |
| } |
| }, |
| |
| show: function() { |
| for (var i = 0; i < arguments.length; i++) { |
| var element = $(arguments[i]); |
| element.style.display = ''; |
| } |
| }, |
| |
| remove: function(element) { |
| element = $(element); |
| element.parentNode.removeChild(element); |
| }, |
| |
| getHeight: function(element) { |
| element = $(element); |
| return element.offsetHeight; |
| }, |
| |
| hasClassName: function(element, className) { |
| element = $(element); |
| if (!element) |
| return; |
| var a = element.className.split(' '); |
| for (var i = 0; i < a.length; i++) { |
| if (a[i] == className) |
| return true; |
| } |
| return false; |
| }, |
| |
| addClassName: function(element, className) { |
| element = $(element); |
| Element.removeClassName(element, className); |
| element.className += ' ' + className; |
| }, |
| |
| removeClassName: function(element, className) { |
| element = $(element); |
| if (!element) |
| return; |
| var newClassName = ''; |
| var a = element.className.split(' '); |
| for (var i = 0; i < a.length; i++) { |
| if (a[i] != className) { |
| if (i > 0) |
| newClassName += ' '; |
| newClassName += a[i]; |
| } |
| } |
| element.className = newClassName; |
| }, |
| |
| // removes whitespace-only text node children |
| cleanWhitespace: function(element) { |
| var element = $(element); |
| for (var i = 0; i < element.childNodes.length; i++) { |
| var node = element.childNodes[i]; |
| if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
| Element.remove(node); |
| } |
| } |
| }); |
| |
| 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; |
| |
| if (this.adjacency && this.element.insertAdjacentHTML) { |
| this.element.insertAdjacentHTML(this.adjacency, this.content); |
| } else { |
| this.range = this.element.ownerDocument.createRange(); |
| if (this.initializeRange) this.initializeRange(); |
| this.fragment = this.range.createContextualFragment(this.content); |
| this.insertContent(); |
| } |
| } |
| } |
| |
| 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() { |
| this.element.parentNode.insertBefore(this.fragment, this.element); |
| } |
| }); |
| |
| 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() { |
| this.element.insertBefore(this.fragment, this.element.firstChild); |
| } |
| }); |
| |
| 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() { |
| this.element.appendChild(this.fragment); |
| } |
| }); |
| |
| Insertion.After = Class.create(); |
| Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { |
| initializeRange: function() { |
| this.range.setStartAfter(this.element); |
| }, |
| |
| insertContent: function() { |
| this.element.parentNode.insertBefore(this.fragment, |
| this.element.nextSibling); |
| } |
| }); |
| |
| var Field = { |
| clear: function() { |
| for (var i = 0; i < arguments.length; i++) |
| $(arguments[i]).value = ''; |
| }, |
| |
| focus: function(element) { |
| $(element).focus(); |
| }, |
| |
| present: function() { |
| for (var i = 0; i < arguments.length; i++) |
| if ($(arguments[i]).value == '') return false; |
| return true; |
| }, |
| |
| select: function(element) { |
| $(element).select(); |
| }, |
| |
| activate: function(element) { |
| $(element).focus(); |
| $(element).select(); |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| var Form = { |
| serialize: function(form) { |
| var elements = Form.getElements($(form)); |
| var queryComponents = new Array(); |
| |
| for (var i = 0; i < elements.length; i++) { |
| var queryComponent = Form.Element.serialize(elements[i]); |
| if (queryComponent) |
| queryComponents.push(queryComponent); |
| } |
| |
| return queryComponents.join('&'); |
| }, |
| |
| getElements: function(form) { |
| var form = $(form); |
| var elements = new Array(); |
| |
| for (tagName in Form.Element.Serializers) { |
| var tagElements = form.getElementsByTagName(tagName); |
| for (var j = 0; j < tagElements.length; j++) |
| elements.push(tagElements[j]); |
| } |
| return elements; |
| }, |
| |
| getInputs: function(form, typeName, name) { |
| var form = $(form); |
| var inputs = form.getElementsByTagName('input'); |
| |
| if (!typeName && !name) |
| return inputs; |
| |
| var matchingInputs = new Array(); |
| for (var i = 0; i < inputs.length; i++) { |
| var input = inputs[i]; |
| if ((typeName && input.type != typeName) || |
| (name && input.name != name)) |
| continue; |
| matchingInputs.push(input); |
| } |
| |
| return matchingInputs; |
| }, |
| |
| disable: function(form) { |
| var elements = Form.getElements(form); |
| for (var i = 0; i < elements.length; i++) { |
| var element = elements[i]; |
| element.blur(); |
| element.disabled = 'true'; |
| } |
| }, |
| |
| enable: function(form) { |
| var elements = Form.getElements(form); |
| for (var i = 0; i < elements.length; i++) { |
| var element = elements[i]; |
| element.disabled = ''; |
| } |
| }, |
| |
| focusFirstElement: function(form) { |
| var form = $(form); |
| var elements = Form.getElements(form); |
| for (var i = 0; i < elements.length; i++) { |
| var element = elements[i]; |
| if (element.type != 'hidden' && !element.disabled) { |
| Field.activate(element); |
| break; |
| } |
| } |
| }, |
| |
| reset: function(form) { |
| $(form).reset(); |
| } |
| } |
| |
| Form.Element = { |
| serialize: function(element) { |
| var element = $(element); |
| var method = element.tagName.toLowerCase(); |
| var parameter = Form.Element.Serializers[method](element); |
| |
| if (parameter) |
| return encodeURIComponent(parameter[0]) + '=' + |
| encodeURIComponent(parameter[1]); |
| }, |
| |
| getValue: function(element) { |
| var element = $(element); |
| var method = element.tagName.toLowerCase(); |
| var parameter = Form.Element.Serializers[method](element); |
| |
| if (parameter) |
| return parameter[1]; |
| } |
| } |
| |
| Form.Element.Serializers = { |
| input: function(element) { |
| switch (element.type.toLowerCase()) { |
| case 'submit': |
| case 'hidden': |
| case 'password': |
| case 'text': |
| return Form.Element.Serializers.textarea(element); |
| case 'checkbox': |
| case 'radio': |
| return Form.Element.Serializers.inputSelector(element); |
| } |
| return false; |
| }, |
| |
| inputSelector: function(element) { |
| if (element.checked) |
| return [element.name, element.value]; |
| }, |
| |
| textarea: function(element) { |
| return [element.name, element.value]; |
| }, |
| |
| select: function(element) { |
| var value = ''; |
| if (element.type == 'select-one') { |
| var index = element.selectedIndex; |
| if (index >= 0) |
| value = element.options[index].value || element.options[index].text; |
| } else { |
| value = new Array(); |
| for (var i = 0; i < element.length; i++) { |
| var opt = element.options[i]; |
| if (opt.selected) |
| value.push(opt.value || opt.text); |
| } |
| } |
| return [element.name, value]; |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| var $F = Form.Element.getValue; |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| 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(); |
| if (this.lastValue != value) { |
| 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() { |
| var elements = Form.getElements(this.element); |
| for (var i = 0; i < elements.length; i++) |
| this.registerCallback(elements[i]); |
| }, |
| |
| registerCallback: function(element) { |
| if (element.type) { |
| switch (element.type.toLowerCase()) { |
| case 'checkbox': |
| case 'radio': |
| element.target = this; |
| element.prev_onclick = element.onclick || Prototype.emptyFunction; |
| element.onclick = function() { |
| this.prev_onclick(); |
| this.target.onElementEvent(); |
| } |
| break; |
| case 'password': |
| case 'text': |
| case 'textarea': |
| case 'select-one': |
| case 'select-multiple': |
| element.target = this; |
| element.prev_onchange = element.onchange || Prototype.emptyFunction; |
| element.onchange = function() { |
| this.prev_onchange(); |
| this.target.onElementEvent(); |
| } |
| 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, |
| |
| 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; |
| } |
| }, |
| |
| // 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; i < Event.observers.length; i++) { |
| Event.stopObserving.apply(this, Event.observers[i]); |
| Event.observers[i][0] = null; |
| } |
| Event.observers = false; |
| }, |
| |
| observe: function(element, name, observer, useCapture) { |
| var element = $(element); |
| useCapture = useCapture || false; |
| |
| if (name == 'keypress' && |
| ((/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
| || element.attachEvent)) |
| name = 'keydown'; |
| |
| this._observeAndCache(element, name, observer, useCapture); |
| }, |
| |
| stopObserving: function(element, name, observer, useCapture) { |
| var element = $(element); |
| useCapture = useCapture || false; |
| |
| if (name == 'keypress' && |
| ((/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
| || element.detachEvent)) |
| name = 'keydown'; |
| |
| if (element.removeEventListener) { |
| element.removeEventListener(name, observer, useCapture); |
| } else if (element.detachEvent) { |
| element.detachEvent('on' + name, observer); |
| } |
| } |
| }); |
| |
| /* prevent memory leaks in IE */ |
| 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]; |
| }, |
| |
| // 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; |
| }, |
| |
| clone: function(source, target) { |
| source = $(source); |
| target = $(target); |
| target.style.position = 'absolute'; |
| var offsets = this.cumulativeOffset(source); |
| target.style.top = offsets[1] + 'px'; |
| target.style.left = offsets[0] + 'px'; |
| target.style.width = source.offsetWidth + 'px'; |
| target.style.height = source.offsetHeight + 'px'; |
| } |
| } |