this reference) in which the handler function is executed. Defaults to the Element.
+ * @param {Object} options (optional) An object containing handler configuration properties.
+ * This may contain any of the following properties:this reference) in which the handler function is executed. Defaults to the Element.See {@link Ext.Element#addListener} for examples of how to use these options.
+ */ + addListener : function(element, eventName, fn, scope, options){ + if(Ext.isObject(eventName)){ + var o = eventName, e, val; + for(e in o){ + val = o[e]; + if(!propRe.test(e)){ + if(Ext.isFunction(val)){ + // shared options + listen(element, e, o, val, o.scope); + }else{ + // individual options + listen(element, e, val); + } + } + } + } else { + listen(element, eventName, options, fn, scope); + } + }, + + /** + * Removes an event handler from an element. The shorthand version {@link #un} is equivalent. Typically + * you will use {@link Ext.Element#removeListener} directly on an Element in favor of calling this version. + * @param {String/HTMLElement} el The id or html element from which to remove the listener. + * @param {String} eventName The name of the event. + * @param {Function} fn The handler function to remove. This must be a reference to the function passed into the {@link #addListener} call. + * @param {Object} scope If a scope (this reference) was specified when the listener was added,
+ * then this must refer to the same object.
+ */
+ removeListener : function(el, eventName, fn, scope){
+ el = Ext.getDom(el);
+ var id = getId(el),
+ f = el && (Ext.elCache[id].events)[eventName] || [],
+ wrap, i, l, k, len, fnc;
+
+ for (i = 0, len = f.length; i < len; i++) {
+
+ /* 0 = Original Function,
+ 1 = Event Manager Wrapped Function,
+ 2 = Scope,
+ 3 = Adapter Wrapped Function,
+ 4 = Buffered Task
+ */
+ if (Ext.isArray(fnc = f[i]) && fnc[0] == fn && (!scope || fnc[2] == scope)) {
+ if(fnc[4]) {
+ fnc[4].cancel();
+ }
+ k = fn.tasks && fn.tasks.length;
+ if(k) {
+ while(k--) {
+ fn.tasks[k].cancel();
+ }
+ delete fn.tasks;
+ }
+ wrap = fnc[1];
+ E.un(el, eventName, E.extAdapter ? fnc[3] : wrap);
+
+ // jQuery workaround that should be removed from Ext Core
+ if(wrap && el.addEventListener && eventName == "mousewheel"){
+ el.removeEventListener("DOMMouseScroll", wrap, false);
+ }
+
+ // fix stopped mousedowns on the document
+ if(wrap && el == DOC && eventName == "mousedown"){
+ Ext.EventManager.stoppedMouseDownEvent.removeListener(wrap);
+ }
+
+ f.splice(i, 1);
+ if (f.length === 0) {
+ delete Ext.elCache[id].events[eventName];
+ }
+ for (k in Ext.elCache[id].events) {
+ return false;
+ }
+ Ext.elCache[id].events = {};
+ return false;
+ }
+ }
+ },
+
+ /**
+ * Removes all event handers from an element. Typically you will use {@link Ext.Element#removeAllListeners}
+ * directly on an Element in favor of calling this version.
+ * @param {String/HTMLElement} el The id or html element from which to remove all event handlers.
+ */
+ removeAll : function(el){
+ el = Ext.getDom(el);
+ var id = getId(el),
+ ec = Ext.elCache[id] || {},
+ es = ec.events || {},
+ f, i, len, ename, fn, k, wrap;
+
+ for(ename in es){
+ if(es.hasOwnProperty(ename)){
+ f = es[ename];
+ /* 0 = Original Function,
+ 1 = Event Manager Wrapped Function,
+ 2 = Scope,
+ 3 = Adapter Wrapped Function,
+ 4 = Buffered Task
+ */
+ for (i = 0, len = f.length; i < len; i++) {
+ fn = f[i];
+ if(fn[4]) {
+ fn[4].cancel();
+ }
+ if(fn[0].tasks && (k = fn[0].tasks.length)) {
+ while(k--) {
+ fn[0].tasks[k].cancel();
+ }
+ delete fn.tasks;
+ }
+ wrap = fn[1];
+ E.un(el, ename, E.extAdapter ? fn[3] : wrap);
+
+ // jQuery workaround that should be removed from Ext Core
+ if(el.addEventListener && wrap && ename == "mousewheel"){
+ el.removeEventListener("DOMMouseScroll", wrap, false);
+ }
+
+ // fix stopped mousedowns on the document
+ if(wrap && el == DOC && ename == "mousedown"){
+ Ext.EventManager.stoppedMouseDownEvent.removeListener(wrap);
+ }
+ }
+ }
+ }
+ if (Ext.elCache[id]) {
+ Ext.elCache[id].events = {};
+ }
+ },
+
+ getListeners : function(el, eventName) {
+ el = Ext.getDom(el);
+ var id = getId(el),
+ ec = Ext.elCache[id] || {},
+ es = ec.events || {},
+ results = [];
+ if (es && es[eventName]) {
+ return es[eventName];
+ } else {
+ return null;
+ }
+ },
+
+ purgeElement : function(el, recurse, eventName) {
+ el = Ext.getDom(el);
+ var id = getId(el),
+ ec = Ext.elCache[id] || {},
+ es = ec.events || {},
+ i, f, len;
+ if (eventName) {
+ if (es && es.hasOwnProperty(eventName)) {
+ f = es[eventName];
+ for (i = 0, len = f.length; i < len; i++) {
+ Ext.EventManager.removeListener(el, eventName, f[i][0]);
+ }
+ }
+ } else {
+ Ext.EventManager.removeAll(el);
+ }
+ if (recurse && el && el.childNodes) {
+ for (i = 0, len = el.childNodes.length; i < len; i++) {
+ Ext.EventManager.purgeElement(el.childNodes[i], recurse, eventName);
+ }
+ }
+ },
+
+ _unload : function() {
+ var el;
+ for (el in Ext.elCache) {
+ Ext.EventManager.removeAll(el);
+ }
+ delete Ext.elCache;
+ delete Ext.Element._flyweights;
+
+ // Abort any outstanding Ajax requests
+ var c,
+ conn,
+ tid,
+ ajax = Ext.lib.Ajax;
+ (Ext.isObject(ajax.conn)) ? conn = ajax.conn : conn = {};
+ for (tid in conn) {
+ c = conn[tid];
+ if (c) {
+ ajax.abort({conn: c, tId: tid});
+ }
+ }
+ },
+ /**
+ * Adds a listener to be notified when the document is ready (before onload and before images are loaded). Can be
+ * accessed shorthanded as Ext.onReady().
+ * @param {Function} fn The method the event invokes.
+ * @param {Object} scope (optional) The scope (this reference) in which the handler function executes. Defaults to the browser window.
+ * @param {boolean} options (optional) Options object as passed to {@link Ext.Element#addListener}. It is recommended that the options
+ * {single: true} be used so that the handler is removed on first invocation.
+ */
+ onDocumentReady : function(fn, scope, options){
+ if(Ext.isReady){ // if it already fired or document.body is present
+ docReadyEvent || (docReadyEvent = new Ext.util.Event());
+ docReadyEvent.addListener(fn, scope, options);
+ docReadyEvent.fire();
+ docReadyEvent.listeners = [];
+ }else{
+ if(!docReadyEvent){
+ initDocReady();
+ }
+ options = options || {};
+ options.delay = options.delay || 1;
+ docReadyEvent.addListener(fn, scope, options);
+ }
+ },
+
+ /**
+ * Forces a document ready state transition for the framework. Used when Ext is loaded
+ * into a DOM structure AFTER initial page load (Google API or other dynamic load scenario.
+ * Any pending 'onDocumentReady' handlers will be fired (if not already handled).
+ */
+ fireDocReady : fireDocReady
+ };
+ /**
+ * Appends an event handler to an element. Shorthand for {@link #addListener}.
+ * @param {String/HTMLElement} el The html element or id to assign the event handler to
+ * @param {String} eventName The name of the event to listen for.
+ * @param {Function} handler The handler function the event invokes.
+ * @param {Object} scope (optional) (this reference) in which the handler function executes. Defaults to the Element.
+ * @param {Object} options (optional) An object containing standard {@link #addListener} options
+ * @member Ext.EventManager
+ * @method on
+ */
+ pub.on = pub.addListener;
+ /**
+ * Removes an event handler from an element. Shorthand for {@link #removeListener}.
+ * @param {String/HTMLElement} el The id or html element from which to remove the listener.
+ * @param {String} eventName The name of the event.
+ * @param {Function} fn The handler function to remove. This must be a reference to the function passed into the {@link #on} call.
+ * @param {Object} scope If a scope (this reference) was specified when the listener was added,
+ * then this must refer to the same object.
+ * @member Ext.EventManager
+ * @method un
+ */
+ pub.un = pub.removeListener;
+
+ pub.stoppedMouseDownEvent = new Ext.util.Event();
+ return pub;
+}();
+/**
+ * Adds a listener to be notified when the document is ready (before onload and before images are loaded). Shorthand of {@link Ext.EventManager#onDocumentReady}.
+ * @param {Function} fn The method the event invokes.
+ * @param {Object} scope (optional) The scope (this reference) in which the handler function executes. Defaults to the browser window.
+ * @param {boolean} options (optional) Options object as passed to {@link Ext.Element#addListener}. It is recommended that the options
+ * {single: true} be used so that the handler is removed on first invocation.
+ * @member Ext
+ * @method onReady
+ */
+Ext.onReady = Ext.EventManager.onDocumentReady;
+
+
+//Initialize doc classes
+(function(){
+
+ var initExtCss = function(){
+ // find the body element
+ var bd = document.body || document.getElementsByTagName('body')[0];
+ if(!bd){ return false; }
+ var cls = [' ',
+ Ext.isIE ? "ext-ie " + (Ext.isIE6 ? 'ext-ie6' : (Ext.isIE7 ? 'ext-ie7' : 'ext-ie8'))
+ : Ext.isGecko ? "ext-gecko " + (Ext.isGecko2 ? 'ext-gecko2' : 'ext-gecko3')
+ : Ext.isOpera ? "ext-opera"
+ : Ext.isWebKit ? "ext-webkit" : ""];
+
+ if(Ext.isSafari){
+ cls.push("ext-safari " + (Ext.isSafari2 ? 'ext-safari2' : (Ext.isSafari3 ? 'ext-safari3' : 'ext-safari4')));
+ }else if(Ext.isChrome){
+ cls.push("ext-chrome");
+ }
+
+ if(Ext.isMac){
+ cls.push("ext-mac");
+ }
+ if(Ext.isLinux){
+ cls.push("ext-linux");
+ }
+
+ if(Ext.isStrict || Ext.isBorderBox){ // add to the parent to allow for selectors like ".ext-strict .ext-ie"
+ var p = bd.parentNode;
+ if(p){
+ p.className += Ext.isStrict ? ' ext-strict' : ' ext-border-box';
+ }
+ }
+ bd.className += cls.join(' ');
+ return true;
+ }
+
+ if(!initExtCss()){
+ Ext.onReady(initExtCss);
+ }
+})();
+
+
+/**
+ * @class Ext.EventObject
+ * Just as {@link Ext.Element} wraps around a native DOM node, Ext.EventObject
+ * wraps the browser's native event-object normalizing cross-browser differences,
+ * such as which mouse button is clicked, keys pressed, mechanisms to stop
+ * event-propagation along with a method to prevent default actions from taking place.
+ * For example:
+ *
+function handleClick(e, t){ // e is not a standard event object, it is a Ext.EventObject
+ e.preventDefault();
+ var target = e.getTarget(); // same as t (the target HTMLElement)
+ ...
+}
+var myDiv = {@link Ext#get Ext.get}("myDiv"); // get reference to an {@link Ext.Element}
+myDiv.on( // 'on' is shorthand for addListener
+ "click", // perform an action on click of myDiv
+ handleClick // reference to the action handler
+);
+// other methods to do the same:
+Ext.EventManager.on("myDiv", 'click', handleClick);
+Ext.EventManager.addListener("myDiv", 'click', handleClick);
+
+ // Handle click on any child of an element
+ Ext.getBody().on('click', function(e){
+ if(e.within('some-el')){
+ alert('Clicked on a child of some-el!');
+ }
+ });
+
+ // Handle click directly on an element, ignoring clicks on child nodes
+ Ext.getBody().on('click', function(e,t){
+ if((t.id == 'some-el') && !e.within(t, true)){
+ alert('Clicked directly on some-el!');
+ }
+ });
+