X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/source/core/EventManager.js diff --git a/source/core/EventManager.js b/source/core/EventManager.js deleted file mode 100644 index 641bb9ae..00000000 --- a/source/core/EventManager.js +++ /dev/null @@ -1,934 +0,0 @@ -/* - * Ext JS Library 2.2.1 - * Copyright(c) 2006-2009, Ext JS, LLC. - * licensing@extjs.com - * - * http://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; - var resizeEvent, resizeTask, textEvent, textSize; - var E = Ext.lib.Event; - var D = Ext.lib.Dom; - // fix parser confusion - var xname = 'Ex' + 't'; - - var elHash = {}; - - var addListener = function(el, ename, fn, wrap, scope){ - var id = Ext.id(el); - if(!elHash[id]){ - elHash[id] = {}; - } - var es = elHash[id]; - if(!es[ename]){ - es[ename] = []; - } - var ls = es[ename]; - ls.push({ - id: id, - ename: ename, - fn: fn, - wrap: wrap, - scope: scope - }); - - E.on(el, ename, wrap); - - if(ename == "mousewheel" && el.addEventListener){ // workaround for jQuery - el.addEventListener("DOMMouseScroll", wrap, false); - E.on(window, 'unload', function(){ - el.removeEventListener("DOMMouseScroll", wrap, false); - }); - } - if(ename == "mousedown" && el == document){ // fix stopped mousedowns on the document - Ext.EventManager.stoppedMouseDownEvent.addListener(wrap); - } - } - - var removeListener = function(el, ename, fn, scope){ - el = Ext.getDom(el); - - var id = Ext.id(el), es = elHash[id], wrap; - if(es){ - var ls = es[ename], l; - if(ls){ - for(var i = 0, len = ls.length; i < len; i++){ - l = ls[i]; - if(l.fn == fn && (!scope || l.scope == scope)){ - wrap = l.wrap; - E.un(el, ename, wrap); - ls.splice(i, 1); - break; - } - } - } - } - if(ename == "mousewheel" && el.addEventListener && wrap){ - el.removeEventListener("DOMMouseScroll", wrap, false); - } - if(ename == "mousedown" && el == document && wrap){ // fix stopped mousedowns on the document - Ext.EventManager.stoppedMouseDownEvent.removeListener(wrap); - } - } - - var removeAll = function(el){ - el = Ext.getDom(el); - var id = Ext.id(el), es = elHash[id], ls; - if(es){ - for(var ename in es){ - if(es.hasOwnProperty(ename)){ - ls = es[ename]; - for(var i = 0, len = ls.length; i < len; i++){ - E.un(el, ename, ls[i].wrap); - ls[i] = null; - } - } - es[ename] = null; - } - delete elHash[id]; - } - } - - - var fireDocReady = function(){ - if(!docReadyState){ - docReadyState = true; - Ext.isReady = true; - if(docReadyProcId){ - clearInterval(docReadyProcId); - } - if(Ext.isGecko || Ext.isOpera) { - document.removeEventListener("DOMContentLoaded", fireDocReady, false); - } - if(Ext.isIE){ - var defer = document.getElementById("ie-deferred-loader"); - if(defer){ - defer.onreadystatechange = null; - defer.parentNode.removeChild(defer); - } - } - if(docReadyEvent){ - docReadyEvent.fire(); - docReadyEvent.clearListeners(); - } - } - }; - - var initDocReady = function(){ - docReadyEvent = new Ext.util.Event(); - if(Ext.isGecko || Ext.isOpera) { - document.addEventListener("DOMContentLoaded", fireDocReady, false); - }else if(Ext.isIE){ - document.write(""); - var defer = document.getElementById("ie-deferred-loader"); - defer.onreadystatechange = function(){ - if(this.readyState == "complete"){ - fireDocReady(); - } - }; - }else if(Ext.isSafari){ - docReadyProcId = setInterval(function(){ - var rs = document.readyState; - if(rs == "complete") { - fireDocReady(); - } - }, 10); - } - // no matter what, make sure it fires on load - E.on(window, "load", fireDocReady); - }; - - var createBuffered = function(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 - e = new Ext.EventObjectImpl(e); - task.delay(o.buffer, h, null, [e]); - }; - }; - - var createSingle = function(h, el, ename, fn, scope){ - return function(e){ - Ext.EventManager.removeListener(el, ename, fn, scope); - h(e); - }; - }; - - var createDelayed = function(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); - }; - }; - - var listen = function(element, ename, opt, fn, scope){ - var o = (!opt || typeof opt == "boolean") ? {} : opt; - fn = fn || o.fn; scope = scope || o.scope; - var el = Ext.getDom(element); - if(!el){ - throw "Error listening for \"" + ename + '\". Element "' + element + '" doesn\'t exist.'; - } - var h = function(e){ - // prevent errors while unload occurring - if(!window[xname]){ - return; - } - e = Ext.EventObject.setEvent(e); - var t; - if(o.delegate){ - t = e.getTarget(o.delegate, el); - if(!t){ - return; - } - }else{ - t = e.target; - } - if(o.stopEvent === true){ - e.stopEvent(); - } - if(o.preventDefault === true){ - e.preventDefault(); - } - if(o.stopPropagation === true){ - e.stopPropagation(); - } - - if(o.normalized === false){ - e = e.browserEvent; - } - - fn.call(scope || el, e, t, 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 propRe = /^(?:scope|delay|buffer|single|stopEvent|preventDefault|stopPropagation|normalized|args|delegate)$/; - 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 type of event to listen for - * @param {Function} handler The handler function the event invokes This function is passed - * the following parameters: - * @param {Object} scope (optional) The scope in which to execute the handler - * function (the handler function's "this" context) - * @param {Object} options (optional) An object containing handler configuration properties. - * This may contain any of the following properties:
- *

See {@link Ext.Element#addListener} for examples of how to use these options.

- */ - addListener : function(element, eventName, fn, scope, options){ - if(typeof eventName == "object"){ - var o = eventName; - for(var e in o){ - if(propRe.test(e)){ - continue; - } - if(typeof o[e] == "function"){ - // shared options - listen(element, e, o, o[e], o.scope); - }else{ - // individual options - listen(element, e, o[e]); - } - } - return; - } - return 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 event - * @param {String} eventName The type of event - * @param {Function} fn The handler function to remove - */ - removeListener : function(element, eventName, fn, scope){ - return removeListener(element, eventName, fn, scope); - }, - - /** - * 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 the event - */ - removeAll : function(element){ - return removeAll(element); - }, - - /** - * Fires 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) An object that becomes the scope of the handler - * @param {boolean} options (optional) An object containing standard {@link #addListener} options - */ - onDocumentReady : function(fn, scope, options){ - if(docReadyState){ // if it already fired - docReadyEvent.addListener(fn, scope, options); - docReadyEvent.fire(); - docReadyEvent.clearListeners(); - return; - } - if(!docReadyEvent){ - initDocReady(); - } - options = options || {}; - if(!options.delay){ - options.delay = 1; - } - docReadyEvent.addListener(fn, scope, options); - }, - - // private - doResizeEvent: function(){ - resizeEvent.fire(D.getViewWidth(), D.getViewHeight()); - }, - - /** - * Fires when the window is resized and provides resize event buffering (50 milliseconds), passes new viewport width and height to handlers. - * @param {Function} fn The method the event invokes - * @param {Object} scope An object that becomes the scope of the handler - * @param {boolean} options - */ - onWindowResize : function(fn, scope, options){ - if(!resizeEvent){ - resizeEvent = new Ext.util.Event(); - resizeTask = new Ext.util.DelayedTask(this.doResizeEvent); - E.on(window, "resize", this.fireWindowResize, this); - } - resizeEvent.addListener(fn, scope, options); - }, - - // exposed only to allow manual firing - fireWindowResize : function(){ - if(resizeEvent){ - if((Ext.isIE||Ext.isAir) && resizeTask){ - resizeTask.delay(50); - }else{ - resizeEvent.fire(D.getViewWidth(), D.getViewHeight()); - } - } - }, - - /** - * Fires when the user changes the active text size. Handler gets called with 2 params, the old size and the new size. - * @param {Function} fn The method the event invokes - * @param {Object} scope An object that becomes the scope of the handler - * @param {boolean} options - */ - onTextResize : function(fn, scope, options){ - if(!textEvent){ - textEvent = new Ext.util.Event(); - var textEl = new Ext.Element(document.createElement('div')); - textEl.dom.className = 'x-text-resize'; - textEl.dom.innerHTML = 'X'; - textEl.appendTo(document.body); - textSize = textEl.dom.offsetHeight; - setInterval(function(){ - if(textEl.dom.offsetHeight != textSize){ - textEvent.fire(textSize, textSize = textEl.dom.offsetHeight); - } - }, this.textResizeInterval); - } - textEvent.addListener(fn, scope, options); - }, - - /** - * Removes the passed window resize listener. - * @param {Function} fn The method the event invokes - * @param {Object} scope The scope of handler - */ - removeResizeListener : function(fn, scope){ - if(resizeEvent){ - resizeEvent.removeListener(fn, scope); - } - }, - - // private - fireResize : function(){ - if(resizeEvent){ - resizeEvent.fire(D.getViewWidth(), D.getViewHeight()); - } - }, - /** - * Url used for onDocumentReady with using SSL (defaults to Ext.SSL_SECURE_URL) - */ - ieDeferSrc : false, - /** - * The frequency, in milliseconds, to check for text resize events (defaults to 50) - */ - textResizeInterval : 50 - }; - /** - * 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 type of event to listen for - * @param {Function} handler The handler function the event invokes - * @param {Object} scope (optional) The scope in which to execute the handler - * function (the handler function's "this" context) - * @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 event - * @param {String} eventName The type of event - * @param {Function} fn The handler function to remove - * @return {Boolean} True if a listener was actually removed, else false - * @member Ext.EventManager - * @method un - */ - pub.un = pub.removeListener; - - pub.stoppedMouseDownEvent = new Ext.util.Event(); - return pub; -}(); -/** - * Fires 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 An object that becomes the scope of the handler - * @param {boolean} options (optional) An object containing standard {@link #addListener} options - * @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.isSafari ? "ext-safari" - : Ext.isChrome ? "ext-chrome" : ""]; - - if(Ext.isMac){ - cls.push("ext-mac"); - } - if(Ext.isLinux){ - cls.push("ext-linux"); - } - if(Ext.isBorderBox){ - cls.push('ext-border-box'); - } - if(Ext.isStrict){ // add to the parent to allow for selectors like ".ext-strict .ext-ie" - var p = bd.parentNode; - if(p){ - p.className += ' ext-strict'; - } - } - bd.className += cls.join(' '); - return true; - } - - if(!initExtCss()){ - Ext.onReady(initExtCss); - } -})(); - -/** - * @class Ext.EventObject - * EventObject exposes the Yahoo! UI Event functionality directly on the object - * passed to your event handler. It exists mostly for convenience. It also fixes the annoying null checks automatically to cleanup your code - * Example: - * 

- function handleClick(e){ // e is not a standard event object, it is a Ext.EventObject
-    e.preventDefault();
-    var target = e.getTarget();
-    ...
- }
- var myDiv = Ext.get("myDiv");
- myDiv.on("click", handleClick);
- //or
- 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 - var 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 - var btnMap = Ext.isIE ? {1:0,4:1,2:2} : - (Ext.isSafari ? {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 = { - /** The normal browser event */ - browserEvent : null, - /** The button pressed in a mouse event */ - button : -1, - /** True if the shift key was down during the event */ - shiftKey : false, - /** True if the control key was down during the event */ - ctrlKey : false, - /** True if the alt key was down during the event */ - altKey : false, - - /** Key constant @type Number */ - BACKSPACE: 8, - /** Key constant @type Number */ - TAB: 9, - /** Key constant @type Number */ - NUM_CENTER: 12, - /** Key constant @type Number */ - ENTER: 13, - /** Key constant @type Number */ - RETURN: 13, - /** Key constant @type Number */ - SHIFT: 16, - /** Key constant @type Number */ - CTRL: 17, - CONTROL : 17, // legacy - /** Key constant @type Number */ - ALT: 18, - /** Key constant @type Number */ - PAUSE: 19, - /** Key constant @type Number */ - CAPS_LOCK: 20, - /** Key constant @type Number */ - ESC: 27, - /** Key constant @type Number */ - SPACE: 32, - /** Key constant @type Number */ - PAGE_UP: 33, - PAGEUP : 33, // legacy - /** Key constant @type Number */ - PAGE_DOWN: 34, - PAGEDOWN : 34, // legacy - /** Key constant @type Number */ - END: 35, - /** Key constant @type Number */ - HOME: 36, - /** Key constant @type Number */ - LEFT: 37, - /** Key constant @type Number */ - UP: 38, - /** Key constant @type Number */ - RIGHT: 39, - /** Key constant @type Number */ - DOWN: 40, - /** Key constant @type Number */ - PRINT_SCREEN: 44, - /** Key constant @type Number */ - INSERT: 45, - /** Key constant @type Number */ - DELETE: 46, - /** Key constant @type Number */ - ZERO: 48, - /** Key constant @type Number */ - ONE: 49, - /** Key constant @type Number */ - TWO: 50, - /** Key constant @type Number */ - THREE: 51, - /** Key constant @type Number */ - FOUR: 52, - /** Key constant @type Number */ - FIVE: 53, - /** Key constant @type Number */ - SIX: 54, - /** Key constant @type Number */ - SEVEN: 55, - /** Key constant @type Number */ - EIGHT: 56, - /** Key constant @type Number */ - NINE: 57, - /** Key constant @type Number */ - A: 65, - /** Key constant @type Number */ - B: 66, - /** Key constant @type Number */ - C: 67, - /** Key constant @type Number */ - D: 68, - /** Key constant @type Number */ - E: 69, - /** Key constant @type Number */ - F: 70, - /** Key constant @type Number */ - G: 71, - /** Key constant @type Number */ - H: 72, - /** Key constant @type Number */ - I: 73, - /** Key constant @type Number */ - J: 74, - /** Key constant @type Number */ - K: 75, - /** Key constant @type Number */ - L: 76, - /** Key constant @type Number */ - M: 77, - /** Key constant @type Number */ - N: 78, - /** Key constant @type Number */ - O: 79, - /** Key constant @type Number */ - P: 80, - /** Key constant @type Number */ - Q: 81, - /** Key constant @type Number */ - R: 82, - /** Key constant @type Number */ - S: 83, - /** Key constant @type Number */ - T: 84, - /** Key constant @type Number */ - U: 85, - /** Key constant @type Number */ - V: 86, - /** Key constant @type Number */ - W: 87, - /** Key constant @type Number */ - X: 88, - /** Key constant @type Number */ - Y: 89, - /** Key constant @type Number */ - Z: 90, - /** Key constant @type Number */ - CONTEXT_MENU: 93, - /** Key constant @type Number */ - NUM_ZERO: 96, - /** Key constant @type Number */ - NUM_ONE: 97, - /** Key constant @type Number */ - NUM_TWO: 98, - /** Key constant @type Number */ - NUM_THREE: 99, - /** Key constant @type Number */ - NUM_FOUR: 100, - /** Key constant @type Number */ - NUM_FIVE: 101, - /** Key constant @type Number */ - NUM_SIX: 102, - /** Key constant @type Number */ - NUM_SEVEN: 103, - /** Key constant @type Number */ - NUM_EIGHT: 104, - /** Key constant @type Number */ - NUM_NINE: 105, - /** Key constant @type Number */ - NUM_MULTIPLY: 106, - /** Key constant @type Number */ - NUM_PLUS: 107, - /** Key constant @type Number */ - NUM_MINUS: 109, - /** Key constant @type Number */ - NUM_PERIOD: 110, - /** Key constant @type Number */ - NUM_DIVISION: 111, - /** Key constant @type Number */ - F1: 112, - /** Key constant @type Number */ - F2: 113, - /** Key constant @type Number */ - F3: 114, - /** Key constant @type Number */ - F4: 115, - /** Key constant @type Number */ - F5: 116, - /** Key constant @type Number */ - F6: 117, - /** Key constant @type Number */ - F7: 118, - /** Key constant @type Number */ - F8: 119, - /** Key constant @type Number */ - F9: 120, - /** Key constant @type Number */ - F10: 121, - /** Key constant @type Number */ - F11: 122, - /** Key constant @type Number */ - F12: 123, - - /** @private */ - setEvent : function(e){ - if(e == this || (e && e.browserEvent)){ // already wrapped - return e; - } - this.browserEvent = e; - if(e){ - // normalize buttons - this.button = e.button ? btnMap[e.button] : (e.which ? e.which-1 : -1); - if(e.type == 'click' && this.button == -1){ - this.button = 0; - } - this.type = e.type; - this.shiftKey = e.shiftKey; - // mac metaKey behaves like ctrlKey - this.ctrlKey = e.ctrlKey || e.metaKey; - this.altKey = e.altKey; - // in getKey these will be normalized for the mac - this.keyCode = e.keyCode; - this.charCode = e.charCode; - // cache the target for the delayed and or buffered events - this.target = E.getTarget(e); - // same for XY - this.xy = E.getXY(e); - }else{ - this.button = -1; - this.shiftKey = false; - this.ctrlKey = false; - this.altKey = false; - this.keyCode = 0; - this.charCode = 0; - this.target = null; - this.xy = [0, 0]; - } - return this; - }, - - /** - * Stop the event (preventDefault and stopPropagation) - */ - stopEvent : function(){ - if(this.browserEvent){ - if(this.browserEvent.type == 'mousedown'){ - Ext.EventManager.stoppedMouseDownEvent.fire(this); - } - E.stopEvent(this.browserEvent); - } - }, - - /** - * Prevents the browsers default handling of the event. - */ - preventDefault : function(){ - if(this.browserEvent){ - E.preventDefault(this.browserEvent); - } - }, - - /** @private */ - isNavKeyPress : function(){ - var k = this.keyCode; - k = Ext.isSafari ? (safariKeys[k] || k) : k; - return (k >= 33 && k <= 40) || k == this.RETURN || k == this.TAB || k == this.ESC; - }, - - isSpecialKey : function(){ - var k = this.keyCode; - return (this.type == 'keypress' && this.ctrlKey) || k == 9 || k == 13 || k == 40 || k == 27 || - (k == 16) || (k == 17) || - (k >= 18 && k <= 20) || - (k >= 33 && k <= 35) || - (k >= 36 && k <= 39) || - (k >= 44 && k <= 45); - }, - - /** - * Cancels bubbling of the event. - */ - stopPropagation : function(){ - if(this.browserEvent){ - if(this.browserEvent.type == 'mousedown'){ - Ext.EventManager.stoppedMouseDownEvent.fire(this); - } - E.stopPropagation(this.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(){ - var k = this.keyCode || this.charCode; - 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 time of the event. - * @return {Number} - */ - getTime : function(){ - if(this.browserEvent){ - return E.getTime(this.browserEvent); - } - return null; - }, - - /** - * 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(){ - if(this.browserEvent){ - return E.getRelatedTarget(this.browserEvent); - } - return 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 control, meta, shift or alt key was pressed during this event. - * @return {Boolean} - */ - hasModifier : function(){ - return ((this.ctrlKey || this.altKey) || this.shiftKey) ? true : false; - }, - - /** - * 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){ - var t = this[related ? "getRelatedTarget" : "getTarget"](); - return t && ((allowEl ? (t === Ext.getDom(el)) : false) || Ext.fly(el).contains(t)); - }, - - getPoint : function(){ - return new Ext.lib.Point(this.xy[0], this.xy[1]); - } - }; - - return new Ext.EventObjectImpl(); -}(); \ No newline at end of file