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<title>The source code</title>
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<pre class="prettyprint lang-js">/**
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* @class Ext.Element
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*/
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Ext.Element.addMethods({
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<div id="method-Ext.Element-swallowEvent"></div>/**
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* Stops the specified event(s) from bubbling and optionally prevents the default action
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* @param {String/Array} eventName an event / array of events to stop from bubbling
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* @param {Boolean} preventDefault (optional) true to prevent the default action too
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* @return {Ext.Element} this
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*/
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swallowEvent : function(eventName, preventDefault){
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var me = this;
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function fn(e){
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e.stopPropagation();
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if(preventDefault){
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e.preventDefault();
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}
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}
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if(Ext.isArray(eventName)){
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Ext.each(eventName, function(e) {
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me.on(e, fn);
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});
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return me;
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}
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me.on(eventName, fn);
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return me;
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},
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<div id="method-Ext.Element-relayEvent"></div>/**
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* Create an event handler on this element such that when the event fires and is handled by this element,
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* it will be relayed to another object (i.e., fired again as if it originated from that object instead).
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* @param {String} eventName The type of event to relay
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* @param {Object} object Any object that extends {@link Ext.util.Observable} that will provide the context
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* for firing the relayed event
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*/
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relayEvent : function(eventName, observable){
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this.on(eventName, function(e){
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observable.fireEvent(eventName, e);
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});
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},
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<div id="method-Ext.Element-clean"></div>/**
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* Removes worthless text nodes
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* @param {Boolean} forceReclean (optional) By default the element
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* keeps track if it has been cleaned already so
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* you can call this over and over. However, if you update the element and
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* need to force a reclean, you can pass true.
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*/
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clean : function(forceReclean){
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var me = this,
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dom = me.dom,
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n = dom.firstChild,
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ni = -1;
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if(Ext.Element.data(dom, 'isCleaned') && forceReclean !== true){
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return me;
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}
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while(n){
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var nx = n.nextSibling;
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if(n.nodeType == 3 && !/\S/.test(n.nodeValue)){
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dom.removeChild(n);
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}else{
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n.nodeIndex = ++ni;
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}
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n = nx;
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}
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Ext.Element.data(dom, 'isCleaned', true);
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return me;
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},
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<div id="method-Ext.Element-load"></div>/**
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* Direct access to the Updater {@link Ext.Updater#update} method. The method takes the same object
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* parameter as {@link Ext.Updater#update}
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* @return {Ext.Element} this
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*/
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load : function(){
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var um = this.getUpdater();
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um.update.apply(um, arguments);
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return this;
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},
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<div id="method-Ext.Element-getUpdater"></div>/**
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* Gets this element's {@link Ext.Updater Updater}
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* @return {Ext.Updater} The Updater
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*/
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getUpdater : function(){
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return this.updateManager || (this.updateManager = new Ext.Updater(this));
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},
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<div id="method-Ext.Element-update"></div>/**
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* Update the innerHTML of this element, optionally searching for and processing scripts
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* @param {String} html The new HTML
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* @param {Boolean} loadScripts (optional) True to look for and process scripts (defaults to false)
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* @param {Function} callback (optional) For async script loading you can be notified when the update completes
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* @return {Ext.Element} this
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*/
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update : function(html, loadScripts, callback){
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if (!this.dom) {
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return this;
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}
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html = html || "";
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if(loadScripts !== true){
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this.dom.innerHTML = html;
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if(Ext.isFunction(callback)){
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callback();
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}
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return this;
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}
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var id = Ext.id(),
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dom = this.dom;
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html += '<span id="' + id + '"></span>';
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Ext.lib.Event.onAvailable(id, function(){
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var DOC = document,
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hd = DOC.getElementsByTagName("head")[0],
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re = /(?:<script([^>]*)?>)((\n|\r|.)*?)(?:<\/script>)/ig,
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srcRe = /\ssrc=([\'\"])(.*?)\1/i,
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typeRe = /\stype=([\'\"])(.*?)\1/i,
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match,
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attrs,
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srcMatch,
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typeMatch,
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el,
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s;
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while((match = re.exec(html))){
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attrs = match[1];
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srcMatch = attrs ? attrs.match(srcRe) : false;
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if(srcMatch && srcMatch[2]){
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s = DOC.createElement("script");
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s.src = srcMatch[2];
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typeMatch = attrs.match(typeRe);
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if(typeMatch && typeMatch[2]){
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s.type = typeMatch[2];
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}
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hd.appendChild(s);
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}else if(match[2] && match[2].length > 0){
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if(window.execScript) {
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window.execScript(match[2]);
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} else {
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window.eval(match[2]);
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}
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}
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}
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el = DOC.getElementById(id);
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if(el){Ext.removeNode(el);}
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if(Ext.isFunction(callback)){
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callback();
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}
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});
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dom.innerHTML = html.replace(/(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)/ig, "");
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return this;
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},
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// inherit docs, overridden so we can add removeAnchor
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removeAllListeners : function(){
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this.removeAnchor();
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Ext.EventManager.removeAll(this.dom);
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return this;
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},
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<div id="method-Ext.Element-createProxy"></div>/**
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* Creates a proxy element of this element
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* @param {String/Object} config The class name of the proxy element or a DomHelper config object
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* @param {String/HTMLElement} renderTo (optional) The element or element id to render the proxy to (defaults to document.body)
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* @param {Boolean} matchBox (optional) True to align and size the proxy to this element now (defaults to false)
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* @return {Ext.Element} The new proxy element
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*/
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createProxy : function(config, renderTo, matchBox){
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config = Ext.isObject(config) ? config : {tag : "div", cls: config};
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var me = this,
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proxy = renderTo ? Ext.DomHelper.append(renderTo, config, true) :
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Ext.DomHelper.insertBefore(me.dom, config, true);
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if(matchBox && me.setBox && me.getBox){ // check to make sure Element.position.js is loaded
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proxy.setBox(me.getBox());
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}
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return proxy;
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}
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});
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Ext.Element.prototype.getUpdateManager = Ext.Element.prototype.getUpdater;
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</pre>
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