/** * @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, DETECT_NATIVE = Ext.isGecko || Ext.isWebKit || Ext.isSafari || Ext.isIE10p, E = Ext.lib.Event, D = Ext.lib.Dom, DOC = document, WINDOW = window, DOMCONTENTLOADED = "DOMContentLoaded", COMPLETE = 'complete', 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, 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, task, 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] || []; /* 0 = Original Function, 1 = Event Manager Wrapped Function, 2 = Scope, 3 = Adapter Wrapped Function, 4 = Buffered Task */ es[ename].push([fn, wrap, scope, wfn, task]); // this is a workaround for jQuery and should somehow be removed from Ext Core in the future // without breaking ExtJS. // workaround for jQuery if(el.addEventListener && ename == "mousewheel"){ var args = ["DOMMouseScroll", wrap, false]; el.addEventListener.apply(el, args); Ext.EventManager.addListener(WINDOW, 'unload', function(){ el.removeEventListener.apply(el, args); }); } // fix stopped mousedowns on the document if(el == DOC && ename == "mousedown"){ Ext.EventManager.stoppedMouseDownEvent.addListener(wrap); } } function doScrollChk(){ /* Notes: 'doScroll' will NOT work in a IFRAME/FRAMESET. The method succeeds but, a DOM query done immediately after -- FAILS. */ if(window != top){ return false; } try{ DOC.documentElement.doScroll('left'); }catch(e){ return false; } fireDocReady(); return true; } /** * @return {Boolean} True if the document is in a 'complete' state (or was determined to * be true by other means). If false, the state is evaluated again until canceled. */ function checkReadyState(e){ if(Ext.isIE9m && doScrollChk()){ return true; } if(DOC.readyState == COMPLETE){ fireDocReady(); return true; } docReadyState || (docReadyProcId = setTimeout(arguments.callee, 2)); return false; } var styles; function checkStyleSheets(e){ styles || (styles = Ext.query('style, link[rel=stylesheet]')); if(styles.length == DOC.styleSheets.length){ fireDocReady(); return true; } docReadyState || (docReadyProcId = setTimeout(arguments.callee, 2)); return false; } function OperaDOMContentLoaded(e){ DOC.removeEventListener(DOMCONTENTLOADED, arguments.callee, false); checkStyleSheets(); } function fireDocReady(e){ if(!docReadyState){ docReadyState = true; //only attempt listener removal once if(docReadyProcId){ clearTimeout(docReadyProcId); } if(DETECT_NATIVE) { DOC.removeEventListener(DOMCONTENTLOADED, fireDocReady, false); } if(Ext.isIE9m && checkReadyState.bindIE){ //was this was actually set ?? DOC.detachEvent('onreadystatechange', checkReadyState); } E.un(WINDOW, "load", arguments.callee); } if(docReadyEvent && !Ext.isReady){ Ext.isReady = true; docReadyEvent.fire(); docReadyEvent.listeners = []; } } function initDocReady(){ docReadyEvent || (docReadyEvent = new Ext.util.Event()); if (DETECT_NATIVE) { DOC.addEventListener(DOMCONTENTLOADED, fireDocReady, false); } /* * Handle additional (exceptional) detection strategies here */ if (Ext.isIE9m){ //Use readystatechange as a backup AND primary detection mechanism for a FRAME/IFRAME //See if page is already loaded if(!checkReadyState()){ checkReadyState.bindIE = true; DOC.attachEvent('onreadystatechange', checkReadyState); } }else if(Ext.isOpera ){ /* Notes: Opera needs special treatment needed here because CSS rules are NOT QUITE available after DOMContentLoaded is raised. */ //See if page is already loaded and all styleSheets are in place (DOC.readyState == COMPLETE && checkStyleSheets()) || DOC.addEventListener(DOMCONTENTLOADED, OperaDOMContentLoaded, false); }else if (Ext.isWebKit){ //Fallback for older Webkits without DOMCONTENTLOADED support checkReadyState(); } // 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, task){ 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, fn){ return function(e){ var task = new Ext.util.DelayedTask(h); if(!fn.tasks) { fn.tasks = []; } fn.tasks.push(task); task.delay(o.delay || 10, h, null, [new Ext.EventObjectImpl(e)]); }; } function listen(element, ename, opt, fn, scope){ var o = (!opt || typeof opt == "boolean") ? {} : opt, el = Ext.getDom(element), task; 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 === false) { e = e.browserEvent; } fn.call(scope || el, e, t, o); } if(o.target){ h = createTargeted(h, o); } if(o.delay){ h = createDelayed(h, o, fn); } if(o.single){ h = createSingle(h, el, ename, fn, scope); } if(o.buffer){ task = new Ext.util.DelayedTask(h); h = createBuffered(h, o, task); } addListener(el, ename, fn, task, 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:<ul> * <li>evt : EventObject<div class="sub-desc">The {@link Ext.EventObject EventObject} describing the event.</div></li> * <li>t : Element<div class="sub-desc">The {@link Ext.Element Element} which was the target of the event. * Note that this may be filtered by using the <tt>delegate</tt> option.</div></li> * <li>o : Object<div class="sub-desc">The options object from the addListener call.</div></li> * </ul> * @param {Object} scope (optional) The scope (<b><code>this</code></b> reference) in which the handler function is executed. <b>Defaults to the Element</b>. * @param {Object} options (optional) An object containing handler configuration properties. * This may contain any of the following properties:<ul> * <li>scope : Object<div class="sub-desc">The scope (<b><code>this</code></b> reference) in which the handler function is executed. <b>Defaults to the Element</b>.</div></li> * <li>delegate : String<div class="sub-desc">A simple selector to filter the target or look for a descendant of the target</div></li> * <li>stopEvent : Boolean<div class="sub-desc">True to stop the event. That is stop propagation, and prevent the default action.</div></li> * <li>preventDefault : Boolean<div class="sub-desc">True to prevent the default action</div></li> * <li>stopPropagation : Boolean<div class="sub-desc">True to prevent event propagation</div></li> * <li>normalized : Boolean<div class="sub-desc">False to pass a browser event to the handler function instead of an Ext.EventObject</div></li> * <li>delay : Number<div class="sub-desc">The number of milliseconds to delay the invocation of the handler after te event fires.</div></li> * <li>single : Boolean<div class="sub-desc">True to add a handler to handle just the next firing of the event, and then remove itself.</div></li> * <li>buffer : Number<div class="sub-desc">Causes the handler to be scheduled to run in an {@link Ext.util.DelayedTask} delayed * by the specified number of milliseconds. If the event fires again within that time, the original * handler is <em>not</em> invoked, but the new handler is scheduled in its place.</div></li> * <li>target : Element<div class="sub-desc">Only call the handler if the event was fired on the target Element, <i>not</i> if the event was bubbled up from a child node.</div></li> * </ul><br> * <p>See {@link Ext.Element#addListener} for examples of how to use these options.</p> */ addListener : function(element, eventName, fn, scope, options){ if(typeof eventName == 'object'){ 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. <b>This must be a reference to the function passed into the {@link #addListener} call.</b> * @param {Object} scope If a scope (<b><code>this</code></b> 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; } }, removeFromSpecialCache: function(o) { var i = 0, len = specialElCache.length; for (; i < len; ++i) { if (specialElCache[i].el == o) { specialElCache.splice(i, 1); } } }, 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; (typeof ajax.conn == 'object') ? 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 (<code>this</code> 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 * <code>{single: true}</code> 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) (<code>this</code> reference) in which the handler function executes. <b>Defaults to the Element</b>. * @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. <b>This must be a reference to the function passed into the {@link #on} call.</b> * @param {Object} scope If a scope (<b><code>this</code></b> 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 (<code>this</code> 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 * <code>{single: true}</code> 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 = []; if (Ext.isIE) { // Only treat IE9 and less like IE in the css if (!Ext.isIE10p) { cls.push('ext-ie'); } if (Ext.isIE6) { cls.push('ext-ie6'); } else if (Ext.isIE7) { cls.push('ext-ie7', 'ext-ie7m'); } else if (Ext.isIE8) { cls.push('ext-ie8', 'ext-ie8m'); } else if (Ext.isIE9) { cls.push('ext-ie9', 'ext-ie9m'); } else if (Ext.isIE10) { cls.push('ext-ie10'); } } if (Ext.isGecko) { if (Ext.isGecko2) { cls.push('ext-gecko2'); } else { cls.push('ext-gecko3'); } } if (Ext.isOpera) { cls.push('ext-opera'); } if (Ext.isWebKit) { cls.push('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"); } // add to the parent to allow for selectors like ".ext-strict .ext-ie" if (Ext.isStrict || Ext.isBorderBox) { var p = bd.parentNode; if (p) { if (!Ext.isStrict) { Ext.fly(p, '_internal').addClass('x-quirks'); if (Ext.isIE9m && !Ext.isStrict) { Ext.isIEQuirks = true; } } Ext.fly(p, '_internal').addClass(((Ext.isStrict && Ext.isIE ) || (!Ext.enableForcedBoxModel && !Ext.isIE)) ? ' ext-strict' : ' ext-border-box'); } } // Forced border box model class applied to all elements. Bypassing javascript based box model adjustments // in favor of css. This is for non-IE browsers. if (Ext.enableForcedBoxModel && !Ext.isIE) { Ext.isForcedBorderBox = true; cls.push("ext-forced-border-box"); } Ext.fly(bd, '_internal').addClass(cls); return true; }; if (!initExtCss()) { Ext.onReady(initExtCss); } })(); // Code used to detect certain browser feature/quirks/bugs at startup. (function(){ /** * @class Ext.supports * @ignore */ var supports = Ext.apply(Ext.supports, { /** * In Webkit, there is an issue with getting the margin right property, see * https://bugs.webkit.org/show_bug.cgi?id=13343 */ correctRightMargin: true, /** * Webkit browsers return rgba(0, 0, 0) when a transparent color is used */ correctTransparentColor: true, /** * IE uses styleFloat, not cssFloat for the float property. */ cssFloat: true }); var supportTests = function(){ var div = document.createElement('div'), doc = document, view, last; div.innerHTML = '<div style="height:30px;width:50px;"><div style="height:20px;width:20px;"></div></div><div style="float:left;background-color:transparent;">'; doc.body.appendChild(div); last = div.lastChild; if((view = doc.defaultView)){ if(view.getComputedStyle(div.firstChild.firstChild, null).marginRight != '0px'){ supports.correctRightMargin = false; } if(view.getComputedStyle(last, null).backgroundColor != 'transparent'){ supports.correctTransparentColor = false; } } supports.cssFloat = !!last.style.cssFloat; doc.body.removeChild(div); }; if (Ext.isReady) { supportTests(); } else { Ext.onReady(supportTests); } })(); /** * @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. * <p>For example:</p> * <pre><code> 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); </code></pre> * @singleton */ Ext.EventObject = function(){ var E = Ext.lib.Event, clickRe = /(dbl)?click/, // 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} : {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(clickRe.test(e.type) && 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:<pre><code> // 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!'); } }); </code></pre> * @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(); }();