/* * 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(); }();