X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/2e847cf21b8ab9d15fa167b315ca5b2fa92638fc..6a7e4474cba9d8be4b2ec445e10f1691f7277c50:/src/core/core/EventManager.js diff --git a/src/core/core/EventManager.js b/src/core/core/EventManager.js deleted file mode 100644 index 56fd85ac..00000000 --- a/src/core/core/EventManager.js +++ /dev/null @@ -1,787 +0,0 @@ -/*! - * Ext JS Library 3.1.1 - * Copyright(c) 2006-2010 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", - 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, 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 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(""); - 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, 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 = !Ext.isObject(opt) ? {} : 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) { - 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: - * @param {Object} scope (optional) The scope (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:
- *

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; - }, - /** - * 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(); -}();