X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/25ef3491bd9ae007ff1fc2b0d7943e6eaaccf775..6e39d509471fe9b4e2660e0d1631b350d0c66f40:/src/core/core/EventManager.js
diff --git a/src/core/core/EventManager.js b/src/core/core/EventManager.js
index 653119f6..3d23b345 100644
--- a/src/core/core/EventManager.js
+++ b/src/core/core/EventManager.js
@@ -1,627 +1,755 @@
/*!
- * Ext JS Library 3.0.3
+ * Ext JS Library 3.1.0
* Copyright(c) 2006-2009 Ext JS, LLC
* licensing@extjs.com
* http://www.extjs.com/license
*/
-/**
- * @class Ext.EventManager
- * Registers event handlers that want to receive a normalized EventObject instead of the standard browser event and provides
- * several useful events directly.
- * See {@link Ext.EventObject} for more details on normalized event objects.
- * @singleton
- */
-Ext.EventManager = function(){
- var docReadyEvent,
- docReadyProcId,
- docReadyState = false,
- E = Ext.lib.Event,
- D = Ext.lib.Dom,
- DOC = document,
- WINDOW = window,
- IEDEFERED = "ie-deferred-loader",
- DOMCONTENTLOADED = "DOMContentLoaded",
- elHash = {},
- propRe = /^(?:scope|delay|buffer|single|stopEvent|preventDefault|stopPropagation|normalized|args|delegate)$/;
-
- /// There is some jquery work around stuff here that isn't needed in Ext Core.
- function addListener(el, ename, fn, wrap, scope){
- var id = Ext.id(el),
- es = elHash[id] = elHash[id] || {};
-
- (es[ename] = es[ename] || []).push([fn, wrap, scope]);
- E.on(el, ename, wrap);
-
- // this is a workaround for jQuery and should somehow be removed from Ext Core in the future
- // without breaking ExtJS.
- if(ename == "mousewheel" && el.addEventListener){ // workaround for jQuery
- var args = ["DOMMouseScroll", wrap, false];
- el.addEventListener.apply(el, args);
- E.on(window, 'unload', function(){
- el.removeEventListener.apply(el, args);
- });
- }
- if(ename == "mousedown" && el == document){ // fix stopped mousedowns on the document
- Ext.EventManager.stoppedMouseDownEvent.addListener(wrap);
- }
- };
-
- function fireDocReady(){
- if(!docReadyState){
- Ext.isReady = docReadyState = true;
- if(docReadyProcId){
- clearInterval(docReadyProcId);
- }
- if(Ext.isGecko || Ext.isOpera) {
- DOC.removeEventListener(DOMCONTENTLOADED, fireDocReady, false);
- }
- if(Ext.isIE){
- var defer = DOC.getElementById(IEDEFERED);
- if(defer){
- defer.onreadystatechange = null;
- defer.parentNode.removeChild(defer);
- }
- }
- if(docReadyEvent){
- docReadyEvent.fire();
- docReadyEvent.clearListeners();
- }
- }
- };
-
- function initDocReady(){
- var COMPLETE = "complete";
-
- docReadyEvent = new Ext.util.Event();
- if (Ext.isGecko || Ext.isOpera) {
- DOC.addEventListener(DOMCONTENTLOADED, fireDocReady, false);
- } else if (Ext.isIE){
- DOC.write("");
- DOC.getElementById(IEDEFERED).onreadystatechange = function(){
- if(this.readyState == COMPLETE){
- fireDocReady();
- }
- };
- } else if (Ext.isWebKit){
- docReadyProcId = setInterval(function(){
- if(DOC.readyState == COMPLETE) {
- fireDocReady();
- }
- }, 10);
- }
- // no matter what, make sure it fires on load
- E.on(WINDOW, "load", fireDocReady);
- };
-
- function createTargeted(h, o){
- return function(){
- var args = Ext.toArray(arguments);
- if(o.target == Ext.EventObject.setEvent(args[0]).target){
- h.apply(this, args);
- }
- };
- };
-
- function createBuffered(h, o){
- var task = new Ext.util.DelayedTask(h);
- return function(e){
- // create new event object impl so new events don't wipe out properties
- task.delay(o.buffer, h, null, [new Ext.EventObjectImpl(e)]);
- };
- };
-
- function createSingle(h, el, ename, fn, scope){
- return function(e){
- Ext.EventManager.removeListener(el, ename, fn, scope);
- h(e);
- };
- };
-
- function createDelayed(h, o){
- return function(e){
- // create new event object impl so new events don't wipe out properties
- e = new Ext.EventObjectImpl(e);
- setTimeout(function(){
- h(e);
- }, o.delay || 10);
- };
- };
-
- function listen(element, ename, opt, fn, scope){
- var o = !Ext.isObject(opt) ? {} : opt,
- el = Ext.getDom(element);
-
- fn = fn || o.fn;
- scope = scope || o.scope;
-
- if(!el){
- throw "Error listening for \"" + ename + '\". Element "' + element + '" doesn\'t exist.';
- }
- function h(e){
- // prevent errors while unload occurring
- if(!Ext){// !window[xname]){ ==> can't we do this?
- return;
- }
- e = Ext.EventObject.setEvent(e);
- var t;
- if (o.delegate) {
- if(!(t = e.getTarget(o.delegate, el))){
- return;
- }
- } else {
- t = e.target;
- }
- if (o.stopEvent) {
- e.stopEvent();
- }
- if (o.preventDefault) {
- e.preventDefault();
- }
- if (o.stopPropagation) {
- e.stopPropagation();
- }
- if (o.normalized) {
- e = e.browserEvent;
- }
-
- fn.call(scope || el, e, t, o);
- };
- if(o.target){
- h = createTargeted(h, o);
- }
- if(o.delay){
- h = createDelayed(h, o);
- }
- if(o.single){
- h = createSingle(h, el, ename, fn, scope);
- }
- if(o.buffer){
- h = createBuffered(h, o);
- }
-
- addListener(el, ename, fn, h, scope);
- return h;
- };
-
- var pub = {
- /**
- * Appends an event handler to an element. The shorthand version {@link #on} is equivalent. Typically you will
- * use {@link Ext.Element#addListener} directly on an Element in favor of calling this version.
- * @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. This function is passed
- * the following parameters:
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(element, eventName, fn, scope){
- var el = Ext.getDom(element),
- id = Ext.id(el),
- wrap;
-
- Ext.each((elHash[id] || {})[eventName], function (v,i,a) {
- if (Ext.isArray(v) && v[0] == fn && (!scope || v[2] == scope)) {
- E.un(el, eventName, wrap = v[1]);
- a.splice(i,1);
- return false;
- }
- });
-
- // jQuery workaround that should be removed from Ext Core
- if(eventName == "mousewheel" && el.addEventListener && wrap){
- el.removeEventListener("DOMMouseScroll", wrap, false);
- }
-
- if(eventName == "mousedown" && el == DOC && wrap){ // fix stopped mousedowns on the document
- Ext.EventManager.stoppedMouseDownEvent.removeListener(wrap);
- }
- },
-
- /**
- * 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){
- var id = Ext.id(el = Ext.getDom(el)),
- es = elHash[id],
- ename;
-
- for(ename in es){
- if(es.hasOwnProperty(ename)){
- Ext.each(es[ename], function(v) {
- E.un(el, ename, v.wrap);
- });
- }
- }
- elHash[id] = null;
- },
-
- /**
- * 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(docReadyState){ // if it already fired
- docReadyEvent.addListener(fn, scope, options);
- docReadyEvent.fire();
- docReadyEvent.clearListeners();
- } else {
- if(!docReadyEvent) initDocReady();
- options = options || {};
- options.delay = options.delay || 1;
- docReadyEvent.addListener(fn, scope, options);
- }
- },
-
- elHash : elHash
- };
- /**
- * 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);
-
- * @singleton
- */
-Ext.EventObject = function(){
- var E = Ext.lib.Event,
- // safari keypress events for special keys return bad keycodes
- safariKeys = {
- 3 : 13, // enter
- 63234 : 37, // left
- 63235 : 39, // right
- 63232 : 38, // up
- 63233 : 40, // down
- 63276 : 33, // page up
- 63277 : 34, // page down
- 63272 : 46, // delete
- 63273 : 36, // home
- 63275 : 35 // end
- },
- // normalize button clicks
- btnMap = Ext.isIE ? {1:0,4:1,2:2} :
- (Ext.isWebKit ? {1:0,2:1,3:2} : {0:0,1:1,2:2});
-
- Ext.EventObjectImpl = function(e){
- if(e){
- this.setEvent(e.browserEvent || e);
- }
- };
-
- Ext.EventObjectImpl.prototype = {
- /** @private */
- setEvent : function(e){
- var me = this;
- if(e == me || (e && e.browserEvent)){ // already wrapped
- return e;
- }
- me.browserEvent = e;
- if(e){
- // normalize buttons
- me.button = e.button ? btnMap[e.button] : (e.which ? e.which - 1 : -1);
- if(e.type == 'click' && me.button == -1){
- me.button = 0;
- }
- me.type = e.type;
- me.shiftKey = e.shiftKey;
- // mac metaKey behaves like ctrlKey
- me.ctrlKey = e.ctrlKey || e.metaKey || false;
- me.altKey = e.altKey;
- // in getKey these will be normalized for the mac
- me.keyCode = e.keyCode;
- me.charCode = e.charCode;
- // cache the target for the delayed and or buffered events
- me.target = E.getTarget(e);
- // same for XY
- me.xy = E.getXY(e);
- }else{
- me.button = -1;
- me.shiftKey = false;
- me.ctrlKey = false;
- me.altKey = false;
- me.keyCode = 0;
- me.charCode = 0;
- me.target = null;
- me.xy = [0, 0];
- }
- return me;
- },
-
- /**
- * Stop the event (preventDefault and stopPropagation)
- */
- stopEvent : function(){
- var me = this;
- if(me.browserEvent){
- if(me.browserEvent.type == 'mousedown'){
- Ext.EventManager.stoppedMouseDownEvent.fire(me);
- }
- E.stopEvent(me.browserEvent);
- }
- },
-
- /**
- * Prevents the browsers default handling of the event.
- */
- preventDefault : function(){
- if(this.browserEvent){
- E.preventDefault(this.browserEvent);
- }
- },
-
- /**
- * Cancels bubbling of the event.
- */
- stopPropagation : function(){
- var me = this;
- if(me.browserEvent){
- if(me.browserEvent.type == 'mousedown'){
- Ext.EventManager.stoppedMouseDownEvent.fire(me);
- }
- E.stopPropagation(me.browserEvent);
- }
- },
-
- /**
- * Gets the character code for the event.
- * @return {Number}
- */
- getCharCode : function(){
- return this.charCode || this.keyCode;
- },
-
- /**
- * Returns a normalized keyCode for the event.
- * @return {Number} The key code
- */
- getKey : function(){
- return this.normalizeKey(this.keyCode || this.charCode)
- },
-
- // private
- normalizeKey: function(k){
- return Ext.isSafari ? (safariKeys[k] || k) : k;
- },
-
- /**
- * Gets the x coordinate of the event.
- * @return {Number}
- */
- getPageX : function(){
- return this.xy[0];
- },
-
- /**
- * Gets the y coordinate of the event.
- * @return {Number}
- */
- getPageY : function(){
- return this.xy[1];
- },
-
- /**
- * Gets the page coordinates of the event.
- * @return {Array} The xy values like [x, y]
- */
- getXY : function(){
- return this.xy;
- },
-
- /**
- * Gets the target for the event.
- * @param {String} selector (optional) A simple selector to filter the target or look for an ancestor of the target
- * @param {Number/Mixed} maxDepth (optional) The max depth to
- search as a number or element (defaults to 10 || document.body)
- * @param {Boolean} returnEl (optional) True to return a Ext.Element object instead of DOM node
- * @return {HTMLelement}
- */
- getTarget : function(selector, maxDepth, returnEl){
- return selector ? Ext.fly(this.target).findParent(selector, maxDepth, returnEl) : (returnEl ? Ext.get(this.target) : this.target);
- },
-
- /**
- * Gets the related target.
- * @return {HTMLElement}
- */
- getRelatedTarget : function(){
- return this.browserEvent ? E.getRelatedTarget(this.browserEvent) : null;
- },
-
- /**
- * Normalizes mouse wheel delta across browsers
- * @return {Number} The delta
- */
- getWheelDelta : function(){
- var e = this.browserEvent;
- var delta = 0;
- if(e.wheelDelta){ /* IE/Opera. */
- delta = e.wheelDelta/120;
- }else if(e.detail){ /* Mozilla case. */
- delta = -e.detail/3;
- }
- return delta;
- },
-
- /**
- * Returns true if the target of this event is a child of el. Unless the allowEl parameter is set, it will return false if if the target is el.
- * Example usage:
- // 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!');
- }
- });
-
- * @param {Mixed} el The id, DOM element or Ext.Element to check
- * @param {Boolean} related (optional) true to test if the related target is within el instead of the target
- * @param {Boolean} allowEl {optional} true to also check if the passed element is the target or related target
- * @return {Boolean}
- */
- within : function(el, related, allowEl){
- if(el){
- var t = this[related ? "getRelatedTarget" : "getTarget"]();
- return t && ((allowEl ? (t == Ext.getDom(el)) : false) || Ext.fly(el).contains(t));
- }
- return false;
- }
- };
-
- return new Ext.EventObjectImpl();
-}();
\ No newline at end of file
+/**
+ * @class Ext.EventManager
+ * Registers event handlers that want to receive a normalized EventObject instead of the standard browser event and provides
+ * several useful events directly.
+ * See {@link Ext.EventObject} for more details on normalized event objects.
+ * @singleton
+ */
+Ext.EventManager = function(){
+ var docReadyEvent,
+ docReadyProcId,
+ docReadyState = false,
+ E = Ext.lib.Event,
+ D = Ext.lib.Dom,
+ DOC = document,
+ WINDOW = window,
+ IEDEFERED = "ie-deferred-loader",
+ DOMCONTENTLOADED = "DOMContentLoaded",
+ propRe = /^(?:scope|delay|buffer|single|stopEvent|preventDefault|stopPropagation|normalized|args|delegate)$/,
+ /*
+ * This cache is used to hold special js objects, the document and window, that don't have an id. We need to keep
+ * a reference to them so we can look them up at a later point.
+ */
+ specialElCache = [];
+
+ function getId(el){
+ var id = false,
+ i = 0,
+ len = specialElCache.length,
+ id = false,
+ skip = false,
+ o;
+ if(el){
+ if(el.getElementById || el.navigator){
+ // look up the id
+ for(; i < len; ++i){
+ o = specialElCache[i];
+ if(o.el === el){
+ id = o.id;
+ break;
+ }
+ }
+ if(!id){
+ // for browsers that support it, ensure that give the el the same id
+ id = Ext.id(el);
+ specialElCache.push({
+ id: id,
+ el: el
+ });
+ skip = true;
+ }
+ }else{
+ id = Ext.id(el);
+ }
+ if(!Ext.elCache[id]){
+ Ext.Element.addToCache(new Ext.Element(el), id);
+ if(skip){
+ Ext.elCache[id].skipGC = true;
+ }
+ }
+ }
+ return id;
+ };
+
+ /// There is some jquery work around stuff here that isn't needed in Ext Core.
+ function addListener(el, ename, fn, wrap, scope){
+ el = Ext.getDom(el);
+ var id = getId(el),
+ es = Ext.elCache[id].events,
+ wfn;
+
+ wfn = E.on(el, ename, wrap);
+ es[ename] = es[ename] || [];
+ es[ename].push([fn, wrap, scope, wfn]);
+
+ // this is a workaround for jQuery and should somehow be removed from Ext Core in the future
+ // without breaking ExtJS.
+ if(ename == "mousewheel" && el.addEventListener){ // workaround for jQuery
+ var args = ["DOMMouseScroll", wrap, false];
+ el.addEventListener.apply(el, args);
+ Ext.EventManager.addListener(WINDOW, 'unload', function(){
+ el.removeEventListener.apply(el, args);
+ });
+ }
+ if(ename == "mousedown" && el == document){ // fix stopped mousedowns on the document
+ Ext.EventManager.stoppedMouseDownEvent.addListener(wrap);
+ }
+ };
+
+ function fireDocReady(){
+ if(!docReadyState){
+ Ext.isReady = docReadyState = true;
+ if(docReadyProcId){
+ clearInterval(docReadyProcId);
+ }
+ if(Ext.isGecko || Ext.isOpera) {
+ DOC.removeEventListener(DOMCONTENTLOADED, fireDocReady, false);
+ }
+ if(Ext.isIE){
+ var defer = DOC.getElementById(IEDEFERED);
+ if(defer){
+ defer.onreadystatechange = null;
+ defer.parentNode.removeChild(defer);
+ }
+ }
+ if(docReadyEvent){
+ docReadyEvent.fire();
+ docReadyEvent.listeners = []; // clearListeners no longer compatible. Force single: true?
+ }
+ }
+ };
+
+ function initDocReady(){
+ var COMPLETE = "complete";
+
+ docReadyEvent = new Ext.util.Event();
+ if (Ext.isGecko || Ext.isOpera) {
+ DOC.addEventListener(DOMCONTENTLOADED, fireDocReady, false);
+ } else if (Ext.isIE){
+ DOC.write("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, wf;
+
+ for (i = 0, len = f.length; i < len; i++) {
+ if (Ext.isArray(f[i]) && f[i][0] == fn && (!scope || f[i][2] == scope)) {
+ if(fn.task) {
+ fn.task.cancel();
+ delete fn.task;
+ }
+ k = fn.tasks && fn.tasks.length;
+ if(k) {
+ while(k--) {
+ fn.tasks[k].cancel();
+ }
+ delete fn.tasks;
+ }
+ wf = wrap = f[i][1];
+ if (E.extAdapter) {
+ wf = f[i][3];
+ }
+ E.un(el, eventName, wf);
+ 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;
+ }
+ }
+
+ // jQuery workaround that should be removed from Ext Core
+ if(eventName == "mousewheel" && el.addEventListener && wrap){
+ el.removeEventListener("DOMMouseScroll", wrap, false);
+ }
+
+ if(eventName == "mousedown" && el == DOC && wrap){ // fix stopped mousedowns on the document
+ Ext.EventManager.stoppedMouseDownEvent.removeListener(wrap);
+ }
+ },
+
+ /**
+ * 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;
+
+ for(ename in es){
+ if(es.hasOwnProperty(ename)){
+ f = es[ename];
+ for (i = 0, len = f.length; i < len; i++) {
+ fn = f[i][0];
+ if(fn.task) {
+ fn.task.cancel();
+ delete fn.task;
+ }
+ if(fn.tasks && (k = fn.tasks.length)) {
+ while(k--) {
+ fn.tasks[k].cancel();
+ }
+ delete fn.tasks;
+ }
+ E.un(el, ename, E.extAdapter ? f[i][3] : f[i][1]);
+ }
+ }
+ }
+ 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);
+ }
+ },
+ /**
+ * 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(docReadyState){ // if it already fired
+ docReadyEvent.addListener(fn, scope, options);
+ docReadyEvent.fire();
+ docReadyEvent.listeners = []; // clearListeners no longer compatible. Force single: true?
+ } else {
+ if(!docReadyEvent) initDocReady();
+ options = options || {};
+ options.delay = options.delay || 1;
+ docReadyEvent.addListener(fn, scope, options);
+ }
+ }
+ };
+ /**
+ * 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);
+
+ * @singleton
+ */
+Ext.EventObject = function(){
+ var E = Ext.lib.Event,
+ // safari keypress events for special keys return bad keycodes
+ safariKeys = {
+ 3 : 13, // enter
+ 63234 : 37, // left
+ 63235 : 39, // right
+ 63232 : 38, // up
+ 63233 : 40, // down
+ 63276 : 33, // page up
+ 63277 : 34, // page down
+ 63272 : 46, // delete
+ 63273 : 36, // home
+ 63275 : 35 // end
+ },
+ // normalize button clicks
+ btnMap = Ext.isIE ? {1:0,4:1,2:2} :
+ (Ext.isWebKit ? {1:0,2:1,3:2} : {0:0,1:1,2:2});
+
+ Ext.EventObjectImpl = function(e){
+ if(e){
+ this.setEvent(e.browserEvent || e);
+ }
+ };
+
+ Ext.EventObjectImpl.prototype = {
+ /** @private */
+ setEvent : function(e){
+ var me = this;
+ if(e == me || (e && e.browserEvent)){ // already wrapped
+ return e;
+ }
+ me.browserEvent = e;
+ if(e){
+ // normalize buttons
+ me.button = e.button ? btnMap[e.button] : (e.which ? e.which - 1 : -1);
+ if(e.type == 'click' && me.button == -1){
+ me.button = 0;
+ }
+ me.type = e.type;
+ me.shiftKey = e.shiftKey;
+ // mac metaKey behaves like ctrlKey
+ me.ctrlKey = e.ctrlKey || e.metaKey || false;
+ me.altKey = e.altKey;
+ // in getKey these will be normalized for the mac
+ me.keyCode = e.keyCode;
+ me.charCode = e.charCode;
+ // cache the target for the delayed and or buffered events
+ me.target = E.getTarget(e);
+ // same for XY
+ me.xy = E.getXY(e);
+ }else{
+ me.button = -1;
+ me.shiftKey = false;
+ me.ctrlKey = false;
+ me.altKey = false;
+ me.keyCode = 0;
+ me.charCode = 0;
+ me.target = null;
+ me.xy = [0, 0];
+ }
+ return me;
+ },
+
+ /**
+ * Stop the event (preventDefault and stopPropagation)
+ */
+ stopEvent : function(){
+ var me = this;
+ if(me.browserEvent){
+ if(me.browserEvent.type == 'mousedown'){
+ Ext.EventManager.stoppedMouseDownEvent.fire(me);
+ }
+ E.stopEvent(me.browserEvent);
+ }
+ },
+
+ /**
+ * Prevents the browsers default handling of the event.
+ */
+ preventDefault : function(){
+ if(this.browserEvent){
+ E.preventDefault(this.browserEvent);
+ }
+ },
+
+ /**
+ * Cancels bubbling of the event.
+ */
+ stopPropagation : function(){
+ var me = this;
+ if(me.browserEvent){
+ if(me.browserEvent.type == 'mousedown'){
+ Ext.EventManager.stoppedMouseDownEvent.fire(me);
+ }
+ E.stopPropagation(me.browserEvent);
+ }
+ },
+
+ /**
+ * Gets the character code for the event.
+ * @return {Number}
+ */
+ getCharCode : function(){
+ return this.charCode || this.keyCode;
+ },
+
+ /**
+ * Returns a normalized keyCode for the event.
+ * @return {Number} The key code
+ */
+ getKey : function(){
+ return this.normalizeKey(this.keyCode || this.charCode)
+ },
+
+ // private
+ normalizeKey: function(k){
+ return Ext.isSafari ? (safariKeys[k] || k) : k;
+ },
+
+ /**
+ * Gets the x coordinate of the event.
+ * @return {Number}
+ */
+ getPageX : function(){
+ return this.xy[0];
+ },
+
+ /**
+ * Gets the y coordinate of the event.
+ * @return {Number}
+ */
+ getPageY : function(){
+ return this.xy[1];
+ },
+
+ /**
+ * Gets the page coordinates of the event.
+ * @return {Array} The xy values like [x, y]
+ */
+ getXY : function(){
+ return this.xy;
+ },
+
+ /**
+ * Gets the target for the event.
+ * @param {String} selector (optional) A simple selector to filter the target or look for an ancestor of the target
+ * @param {Number/Mixed} maxDepth (optional) The max depth to
+ search as a number or element (defaults to 10 || document.body)
+ * @param {Boolean} returnEl (optional) True to return a Ext.Element object instead of DOM node
+ * @return {HTMLelement}
+ */
+ getTarget : function(selector, maxDepth, returnEl){
+ return selector ? Ext.fly(this.target).findParent(selector, maxDepth, returnEl) : (returnEl ? Ext.get(this.target) : this.target);
+ },
+
+ /**
+ * Gets the related target.
+ * @return {HTMLElement}
+ */
+ getRelatedTarget : function(){
+ return this.browserEvent ? E.getRelatedTarget(this.browserEvent) : null;
+ },
+
+ /**
+ * Normalizes mouse wheel delta across browsers
+ * @return {Number} The delta
+ */
+ getWheelDelta : function(){
+ var e = this.browserEvent;
+ var delta = 0;
+ if(e.wheelDelta){ /* IE/Opera. */
+ delta = e.wheelDelta/120;
+ }else if(e.detail){ /* Mozilla case. */
+ delta = -e.detail/3;
+ }
+ return delta;
+ },
+
+ /**
+ * Returns true if the target of this event is a child of el. Unless the allowEl parameter is set, it will return false if if the target is el.
+ * Example usage:
+ // 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!');
+ }
+ });
+
+ * @param {Mixed} el The id, DOM element or Ext.Element to check
+ * @param {Boolean} related (optional) true to test if the related target is within el instead of the target
+ * @param {Boolean} allowEl {optional} true to also check if the passed element is the target or related target
+ * @return {Boolean}
+ */
+ within : function(el, related, allowEl){
+ if(el){
+ var t = this[related ? "getRelatedTarget" : "getTarget"]();
+ return t && ((allowEl ? (t == Ext.getDom(el)) : false) || Ext.fly(el).contains(t));
+ }
+ return false;
+ }
+ };
+
+ return new Ext.EventObjectImpl();
+}();
+