/thirdparty/prototype/prototype.js
JavaScript | 2111 lines | 1682 code | 335 blank | 94 comment | 393 complexity | 69a97b4f17774314e3e91cd0c98fd20d MD5 | raw file
Possible License(s): BSD-3-Clause, MIT, CC-BY-3.0, GPL-2.0, AGPL-1.0, LGPL-2.1
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- /* Prototype JavaScript framework, version 1.4.0_rc3
- * (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_rc3',
- ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
- emptyFunction: function() {},
- K: function(x) {return x}
- }
- var Class = {
- create: function() {
- return function() {
- if(this.destroy) Class.registerForDestruction(this);
- if(this.initialize) this.initialize.apply(this, arguments);
- }
- },
-
- extend: function(baseClassName) {
- constructor = function() {
- var i;
-
- /*
- var tmp = this.initialize;
- this.initialize = window[baseClassName].initialize;
- window[baseClassName].apply(this, arguments);
- this.initialize = tmp;
- */
- this[baseClassName] = {}
- for(i in window[baseClassName].prototype) {
- if(!this[i]) this[i] = window[baseClassName].prototype[i];
- if(typeof window[baseClassName].prototype[i] == 'function') {
- this[baseClassName][i] = window[baseClassName].prototype[i].bind(this);
- }
- }
-
- if(window[baseClassName].getInheritedStuff) {
- window[baseClassName].getInheritedStuff.apply(this);
- }
-
- if(this.destroy) Class.registerForDestruction(this);
- if(this.initialize) this.initialize.apply(this, arguments);
- }
- constructor.getInheritedStuff = function() {
- this[baseClassName] = {}
- for(i in window[baseClassName].prototype) {
- if(!this[i]) this[i] = window[baseClassName].prototype[i];
- if(typeof window[baseClassName].prototype[i] == 'function') {
- this[baseClassName][i] = window[baseClassName].prototype[i].bind(this);
- }
- }
- if(window[baseClassName].getInheritedStuff) {
- window[baseClassName].getInheritedStuff.apply(this);
- }
- }
-
- return constructor;
-
- },
-
- objectsToDestroy : [],
- registerForDestruction: function(obj) {
- if(!Class.addedDestructionLoader) {
- Event.observe(window, 'unload', Class.destroyAllObjects);
- Class.addedDestructionLoader = true;
- }
- Class.objectsToDestroy.push(obj);
- },
-
- destroyAllObjects: function() {
- var i,item;
- for(i=0;item=Class.objectsToDestroy[i];i++) {
- if(item.destroy) item.destroy();
- }
- Class.objectsToDestroy = null;
- }
- }
- /**
- * Extend function used in multiple inheritance
- */
- Function.prototype.extend = function(baseClassName) {
- var parentFunc = this;
-
- var constructor = function() {
- this[baseClassName] = {}
- for(var i in window[baseClassName].prototype) {
- if(!this[i]) this[i] = window[baseClassName].prototype[i];
- this[baseClassName][i] = window[baseClassName].prototype[i].bind(this);
- }
- if(window[baseClassName].getInheritedStuff) {
- window[baseClassName].getInheritedStuff.apply(this);
- }
- if(parentFunc.getInheritedStuff) {
- parentFunc.getInheritedStuff.apply(this);
- }
- parentFunc.apply(this, arguments);
- }
- constructor.getInheritedStuff = function() {
- this[baseClassName] = {}
- for(i in window[baseClassName].prototype) {
- if(!this[i]) this[i] = window[baseClassName].prototype[i];
- this[baseClassName][i] = window[baseClassName].prototype[i].bind(this);
- }
- if(window[baseClassName].getInheritedStuff) {
- window[baseClassName].getInheritedStuff.apply(this);
- }
- if(parentFunc.getInheritedStuff) {
- parentFunc.getInheritedStuff.apply(this);
- }
- }
-
- return constructor;
- }
- var Abstract = new Object();
- Object.extend = function(destination, source) {
- for (property in source) {
- destination[property] = source[property];
- }
- return destination;
- }
- Function.prototype.extendPrototype = function(newPrototype) {
- var property;
- for (property in this.prototype) {
- newPrototype[property] = this.prototype[property];
- }
- return newPrototype;
- }
- 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;
- }
- }
- 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);
- }
- }
- 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; 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 $(el) {
- if(typeof el == 'string') return document.getElementById(el);
- else return el;
- /*
- var elements = new Array();
- for (var i = 0; i < arguments.length; i++) {
- var element = arguments[i];
- if (typeof element == 'string')
- element = document.getElementById(element);
- if (arguments.length == 1)
- return element;
- elements.push(element);
- }
- return elements;
- */
- }
- Object.extend(String.prototype, {
- // Added by Silverstripe Ltd. 2007-03-15
- strip: function() {
- return this.replace(/^\s+/, '').replace(/\s+$/, '');
- },
-
- 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(eval);
- },
- 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[0].nodeValue : '';
- },
- toQueryParams: function() {
- var pairs = this.match(/^\??(.*)$/)[1].split('&');
- return pairs.inject({}, function(params, pairString) {
- var pair = pairString.split('=');
- params[pair[0]] = pair[1];
- return params;
- });
- },
- toArray: function() {
- return this.split('');
- },
- camelize: function() {
- var oStringList = this.split('-');
- if (oStringList.length == 1) return oStringList[0];
- var camelizedString = this.indexOf('-') == 0
- ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
- : oStringList[0];
- for (var i = 1, len = oStringList.length; i < len; i++) {
- var s = oStringList[i];
- camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
- }
- return camelizedString;
- },
- inspect: function() {
- return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'";
- }
- });
- String.prototype.parseQuery = String.prototype.toQueryParams;
- 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) {
- result = result && !!(iterator || Prototype.K)(value, index);
- if (!result) 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;
- });
- },
- 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.toArray) {
- return iterable.toArray();
- } else {
- var results = [];
- for (var i = 0; i < iterable.length; i++)
- results.push(iterable[i]);
- return results;
- }
- }
- Object.extend(Array.prototype, Enumerable);
- 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];
- },
- compact: function() {
- return this.select(function(value) {
- return value != undefined || value != null;
- });
- },
- flatten: function() {
- return this.inject([], function(array, value) {
- return array.concat(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; i < this.length; i++)
- if (this[i] == object) return i;
- return -1;
- },
- reverse: function() {
- var result = [];
- for (var i = this.length; i > 0; i--)
- result.push(this[i-1]);
- return result;
- },
- inspect: function() {
- return '[' + this.map(Object.inspect).join(', ') + ']';
- }
- });
- var Hash = {
- _each: function(iterator) {
- for (key in this) {
- var value = this[key];
- if (typeof value == 'function') 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 $H(hash).inject($H(this), function(mergedHash, pair) {
- mergedHash[pair.key] = pair.value;
- return mergedHash;
- });
- },
- toQueryString: function() {
- return this.map(function(pair) {
- return pair.map(encodeURIComponent).join('=');
- }).join('&');
- },
- inspect: function() {
- return '#<Hash:{' + this.map(function(pair) {
- return pair.map(Object.inspect).join(': ');
- }).join(', ') + '}>';
- }
- }
- function $H(object) {
- var hash = Object.extend({}, object || {});
- Object.extend(hash, Enumerable);
- Object.extend(hash, Hash);
- return hash;
- }
- 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;
- do {
- iterator(value);
- value = value.succ();
- } while (this.include(value));
- },
- 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 ActiveXObject('Msxml2.XMLHTTP')},
- function() {return new ActiveXObject('Microsoft.XMLHTTP')},
- function() {return new XMLHttpRequest()}
- ) || false;
- },
- activeRequestCount: 0
- }
- Ajax.Responders = {
- responders: [],
- _each: function(iterator) {
- this.responders._each(iterator);
- },
- register: function(responderToAdd) {
- if (!this.include(responderToAdd))
- this.responders.push(responderToAdd);
- },
- unregister: function(responderToRemove) {
- this.responders = this.responders.without(responderToRemove);
- },
- dispatch: function(callback, request, transport, json) {
- this.each(function(responder) {
- if (responder[callback] && 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,
- parameters: ''
- }
- Object.extend(this.options, options || {});
- },
- responseIsSuccess: function() {
- try {
- return (this.transport.responseText.substr(0,6) != 'ERROR:') && (
- this.transport.status == undefined
- || this.transport.status == 0
- || (this.transport.status >= 200 && this.transport.status < 300));
- } catch(er) {
- return window.exiting ? true : false;
- }
- },
- 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 {
- this.url = url;
- if (this.options.method == 'get' && parameters.length > 0)
- this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
- Ajax.Responders.dispatch('onCreate', this, this.transport);
- this.transport.open(this.options.method, this.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) {
- this.dispatchException(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; charset=utf-8');
- /* 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';
- }
- 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);
- },
- header: function(name) {
- try {
- return this.transport.getResponseHeader(name);
- } catch (e) {}
- },
- evalJSON: function() {
- try {
- return eval(this.header('X-JSON'));
- } catch (e) {}
- },
- evalResponse: function() {
- // Modified 2006-11-17 by Silverstripe Ltd. - Needed for Ajax.Evaluator
- //if(this.transport.isEvaluated == true) return false;
- try {
- return eval(this.transport.responseText);
- } catch (e) {
- this.dispatchException(e);
- }
- },
- respondToReadyState: function(readyState) {
- var event = Ajax.Request.Events[readyState];
- var transport = this.transport, json = this.evalJSON();
-
- if (event == 'Complete') {
- // jquery ondemand integration patch
- prototypeAjax = this;
- completeHandler = function() {
- // Sapphire indication that the session has been lost
- if(prototypeAjax.transport.responseText && prototypeAjax.transport.responseText.substr(0,12) == 'NOTLOGGEDIN:') {
- if(typeof onSessionLost == 'function') onSessionLost();
-
- } else {
- //try {
- var status = '';
- try { status = prototypeAjax.transport.status } catch(e) {}
- if(prototypeAjax.options) {
- (prototypeAjax.options['on' + status]
- || prototypeAjax.options['on' + (prototypeAjax.responseIsSuccess() ? 'Success' : 'Failure')]
- || Prototype.emptyFunction)(transport, json);
- }
- /*} catch (e) {
- prototypeAjax.dispatchException(e);
- }*/
-
- if (prototypeAjax.header('Content-type') == 'text/javascript')
- prototypeAjax.evalResponse();
- }
- }
-
- // jquery ondemand integration patch
- if(typeof jQuery != 'undefined' && typeof jQuery.processOnDemandHeaders != 'undefined') {
- jQuery.processOnDemandHeaders(this.transport, prototypeAjax.transport.status, completeHandler);
- } else {
- completeHandler();
- }
-
- }
- try {
- (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
- Ajax.Responders.dispatch('on' + event, this, transport, json);
- } catch (e) {
- this.dispatchException(e);
- }
- /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
- if (event == 'Complete')
- this.transport.onreadystatechange = Prototype.emptyFunction;
- },
- 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.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(transport, object) {
- this.updateContent();
- onComplete(transport, object);
- }).bind(this);
-
- this.request(url);
- },
- updateContent: function() {
- var receiver = this.responseIsSuccess() ?
- this.containers.success : this.containers.failure;
- var response = this.transport.responseText;
- if (!this.options.evalScripts)
- response = response.stripScripts();
- if (receiver) {
- if (this.options.insertion) {
- new this.options.insertion(receiver, response);
- } else {
- Element.update(receiver, response);
- }
- }
- if (this.responseIsSuccess()) {
- 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.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);
- }
- });
- Ajax.SubmitForm = function(form, button, options) {
- var form = $(form);
- var data = Form.serializeWithoutButtons(form) + '&ajax=1';
-
- if(button) data += '&' + button + '=1';
-
- if(!options)
- options.method = form.method;
- options.postBody = data;
-
- if(options.extraData)
- options.postBody += options.extraData;
-
- new Ajax.Request(form.action, options);
- }
- Ajax.Evaluator = function(response) {
- //response.isEvaluated = true;
- // Added by Silverstripe Ltd. 2008-09-16
- // similiar to Ajax.Base.responseIsSuccess()
- if(response.status >= 200 && response.status < 300) {
- try {
- eval(response.responseText);
- } catch(er) {
- errorMessage(
- 'Javascript Parse Error',
- er.lineNumber + ':\n' + er.message + '\n\n' + response.responseText
- );
- }
- } else {
- errorMessage(
- 'Server Error',
- response.responseText
- );
- }
-
- }
- // Only define this if no native (and significantly faster) implementation exists.
- if(!document.getElementsByClassName) {
- document.getElementsByClassName = function(className, parentElement) {
- var children = ($(parentElement) || document.body).getElementsByTagName('*');
- return $A(children).inject([], function(elements, child) {
- if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
- elements.push(child);
- return elements;
- });
- }
- }
- /*--------------------------------------------------------------------------*/
- if (!window.Element) {
- var Element = new Object();
- }
- Object.extend(Element, {
- visible: function(element) {
- return $(element).style.display != 'none';
- },
- toggle: function() {
- for (var i = 0; i < arguments.length; i++) {
- var element = $(arguments[i]);
- Element[Element.visible(element) ? 'hide' : 'show'](element);
- }
- },
- hide: function() {
- for (var i = 0; i < arguments.length; i++) {
- var element = $(arguments[i]);
- if( element )
- element.style.display = 'none';
- }
- },
- show: function() {
- for (var i = 0; i < arguments.length; i++) {
- var element = $(arguments[i]);
- if( element )
- element.style.display = '';
- }
- },
- remove: function(element) {
- element = $(element);
- element.parentNode.removeChild(element);
- },
- update: function(element, html) {
- try {
- $(element).innerHTML = html.stripScripts();
- } catch(er) { alert(er.description); }
-
- setTimeout(function() {html.evalScripts()}, 10);
- },
-
- // 11/11/2006 Silverstripe Ltd., transferred from prototype v1.5
- replace: function(element, html) {
- element = $(element);
- 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);
- },
- getHeight: function(element) {
- element = $(element);
- return element.offsetHeight;
- },
- classNames: function(element) {
- return new Element.ClassNames(element);
- },
- hasClassName: function(element, className) {
- if (!(element = $(element))) return;
- return Element.classNames(element).include(className);
- },
- addClassName: function(element, className) {
- if (!(element = $(element))) return;
- // 13/3/2006: Sam updated these functions because the original ones were over-engineered
- if(!element.className.match(new RegExp('(^| )' + className + '($| )'))) {
- element.className += ' ' + className;
- element.className = element.className.replace(/(^ +)|( +$)/g, '');
- }
- },
- removeClassName: function(element, className) {
- if (!(element = $(element))) return;
-
- // 13/3/2006: Sam updated these functions because the original ones were over-engineered
- var old = element.className;
- var newCls = ' ' + element.className + ' ';
- newCls = newCls.replace(new RegExp(' (' + className + ' +)+','g'), ' ');
- element.className = newCls.replace(/(^ +)|( +$)/g, '');
- },
- // removes whitespace-only text node children
- cleanWhitespace: function(element) {
- 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);
- }
- },
- empty: function(element) {
- return $(element).innerHTML.match(/^\s*$/);
- },
- scrollTo: function(element) {
- element = $(element);
- var x = element.x ? element.x : element.offsetLeft,
- y = element.y ? element.y : element.offsetTop;
- window.scrollTo(x, y);
- },
- getStyle: function(element, style) {
- element = $(element);
- var value = element.style[style.camelize()];
- if (!value) {
- if (document.defaultView && document.defaultView.getComputedStyle) {
- var css = document.defaultView.getComputedStyle(element, null);
- value = css ? css.getPropertyValue(style) : null;
- } else if (element.currentStyle) {
- value = element.currentStyle[style.camelize()];
- }
- }
- if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
- if (Element.getStyle(element, 'position') == 'static') value = 'auto';
- return value == 'auto' ? null : value;
- },
- getDimensions: function(element) {
- element = $(element);
- if (Element.getStyle(element, 'display') != 'none')
- 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;
- els.visibility = 'hidden';
- els.position = 'absolute';
- els.display = '';
- var originalWidth = element.clientWidth;
- var originalHeight = element.clientHeight;
- els.display = 'none';
- 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;
- }
- }
- },
- 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 = '';
- }
- },
- makeClipping: function(element) {
- element = $(element);
- if (element._overflow) return;
- element._overflow = element.style.overflow;
- if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
- element.style.overflow = 'hidden';
- },
- undoClipping: function(element) {
- element = $(element);
- if (element._overflow) return;
- element.style.overflow = element._overflow;
- element._overflow = undefined;
- },
-
- contains: function(parent, child) {
- ancestor = child.parentNode;
- while(ancestor) {
- if(ancestor == parent) return true;
- ancestor = ancestor.parentNode;
- }
- return false;
- },
-
- ancestorOfType: function(element, tagName) {
- var anc = element.parentNode;
- while(anc && anc.tagName.toLowerCase() != tagName)
- anc = anc.parentNode;
- return anc;
- }
- });
- 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) {
- if (this.element.tagName.toLowerCase() == 'tbody') {
- 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().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(this.toArray().concat(classNameToAdd).join(' '));
- },
- remove: function(classNameToRemove) {
- if (!this.include(classNameToRemove)) return;
- this.set(this.select(function(className) {
- return className != classNameToRemove;
- }).join(' '));
- },
- toString: function() {
- return this.toArray().join(' ');
- }
- }
- Object.extend(Element.ClassNames.prototype, Enumerable);
- 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 = $(element);
- element.focus();
- if (element.select)
- element.select();
- }
- }
- /*--------------------------------------------------------------------------*/
- var Form = {
- serialize: function(form) {
- var elements = Form.getElements($(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('&');
- },
- serializeWithoutButtons: function(form) {
- var elements = Form.getElements($(form));
- var queryComponents = new Array();
- for (var i = 0; i < elements.length; i++) {
- if(elements[i].type == 'submit' || elements[i].type == 'reset') continue;
-
- var queryComponent = Form.Element.serialize(elements[i]);
- if (queryComponent)
- queryComponents.push(queryComponent);
- }
- return queryComponents.join('&');
- },
- getElements: function(form) {
- 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) {
- 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 = '';
- }
- },
- findFirstElement: function(form) {
- return Form.getElements(form).find(function(element) {
- return element.type != 'hidden' && !element.disabled &&
- ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
- });
- },
- focusFirstElement: function(form) {
- Field.activate(Form.findFirstElement(form));
- },
- reset: function(form) {
- $(form).reset();
- }
- }
- Form.Element = {
- serialize: function(element) {
- element = $(element);
- var method = element.tagName.toLowerCase();
- var parameter = Form.Element.Serializers[method](element);
- if (parameter)
- return encodeURIComponent(parameter[0]) + '=' +
- encodeURIComponent(parameter[1]);
- else
- return "";
- },
- getValue: function(element) {
- element = $(element);
- if(element) {
- if(element.nodeName == "SELECT") var method = 'select'
- else if(element.length) var method = 'array';
- else var method = element.tagName.toLowerCase();
- if(Form.Element.Serializers[method]) {
- var parameter = Form.Element.Serializers[method](element);
-
- if (parameter)
- return parameter[1];
- }
- }
- },
-
- setValue: function(element, value) {
- element = $(element);
- if(element.setValue) {
- element.setValue(value);
- } else {
- if(element.length) var method = 'array';
- else var method = element.tagName.toLowerCase();
- Form.Element.ValueSetters[method](element, value);
- }
- },
-
- // Added by Silverstripe Ltd. 2007-03-15
- disable: function(element) {
- element = $(element);
- element.disabled = true;
- return element;
- },
- // Added by Silverstripe Ltd. 2007-03-15
- enable: function(element) {
- element = $(element);
- element.blur();
- element.disabled = false;
- return element;
- }
- }
- 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;
- },
-
- array: function(element) {
- var i,item;
- for(i=0;item=element[i];i++) {
- if(item.checked) return [item.name, item.value];
- }
- },
- inputSelector: function(element) {
- if (element.checked)
- return [element.name, element.value];
- },
- textarea: function(element) {
- return [element.name, element.value];
- },
- select: function(element) {
- return Form.Element.Serializers[element.type == 'select-one' ?
- 'selectOne' : 'selectMany'](element);
- },
- selectOne: function(element) {
- var value = '', opt, index = element.selectedIndex;
- if (index >= 0) {
- opt = element.options[index];
- value = opt.value;
- if (!value && !('value' in opt))
- value = opt.text;
- }
- return [element.name, value];
- },
- selectMany: function(element) {
- var value = new Array();
- for (var i = 0; i < element.length; i++) {
- var opt = element.options[i];
- if (opt.selected) {
- var optValue = opt.value;
- if (!optValue && !('value' in opt))
- optValue = opt.text;
- value.push(optValue);
- }
- }
- return [element.name, value];
- }
- }
- Form.Element.ValueSetters = {
- input: function(element, value) {
- switch (element.type.toLowerCase()) {
- case 'submit':
- case 'hidden':
- case 'password':
- case 'text':
- element.value = value;
- case 'checkbox':
- case 'radio':
- element.checked = (element.value == value);
- }
- },
-
- array: function(element, value) {
- var i,item;
- for(i=0;item=element[i];i++) {
- element[i].checked = (item.value == value);
- }
- },
- inputSelector: function(element, value) {
- element.value = value;
- },
- textarea: function(element, value) {
- element.value = value;
- },
- select: function(element, value) {
- element.value = 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':
- Event.observe(element, 'click', this.onElementEvent.bind(this));
- break;
- case 'password':
- case 'text':
- case 'textarea':
- case 'select-one':
- case 'select-multiple':
- 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,
- element: function(event) {
- if(!event) event = window.Event;
- return event.target || event.srcElement;
- },
- isLeftClick: function(event) {
- if(!event) event = window.Event;
- return (((event.which) && (event.which == 1)) ||
- ((event.button) && (event.button == 1)));
- },
- pointerX: function(event) {
- if(!event) event = window.Event;
- return event.pageX || (event.clientX +
- (document.documentElement.scrollLeft || document.body.scrollLeft));
- },
- pointerY: function(event) {
- if(!event) event = window.Event;
- return event.pageY || (event.clientY +
- (document.documentElement.scrollTop || document.body.scrollTop));
- },
- stop: function(event) {
- if(event) {
- if (typeof event.preventDefault != 'undefined') {
- 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; 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' &&
- (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
- || 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' &&
- (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
- || 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: true,
- // 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;
- …
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