354 lines
15 KiB
HTML
354 lines
15 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>The source code</title>
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<link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
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<script type="text/javascript" src="../resources/prettify/prettify.js"></script>
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<style type="text/css">
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.highlight { display: block; background-color: #ddd; }
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</style>
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<script type="text/javascript">
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function highlight() {
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document.getElementById(location.hash.replace(/#/, "")).className = "highlight";
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}
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</script>
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</head>
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<body onload="prettyPrint(); highlight();">
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<pre class="prettyprint lang-js"><span id='Ext-EventManager'>/**
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</span>* @class Ext.EventManager
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*/
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Ext.apply(Ext.EventManager, function(){
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var resizeEvent,
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resizeTask,
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textEvent,
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textSize,
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D = Ext.lib.Dom,
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propRe = /^(?:scope|delay|buffer|single|stopEvent|preventDefault|stopPropagation|normalized|args|delegate)$/,
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unload = Ext.EventManager._unload,
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curWidth = 0,
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curHeight = 0,
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// note 1: IE fires ONLY the keydown event on specialkey autorepeat
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// note 2: Safari < 3.1, Gecko (Mac/Linux) & Opera fire only the keypress event on specialkey autorepeat
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// (research done by @Jan Wolter at http://unixpapa.com/js/key.html)
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useKeydown = Ext.isWebKit ?
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Ext.num(navigator.userAgent.match(/AppleWebKit\/(\d+)/)[1]) >= 525 :
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!((Ext.isGecko && !Ext.isWindows) || Ext.isOpera);
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return {
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_unload: function(){
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Ext.EventManager.un(window, "resize", this.fireWindowResize, this);
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unload.call(Ext.EventManager);
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},
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// private
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doResizeEvent: function(){
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var h = D.getViewHeight(),
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w = D.getViewWidth();
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//whacky problem in IE where the resize event will fire even though the w/h are the same.
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if(curHeight != h || curWidth != w){
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resizeEvent.fire(curWidth = w, curHeight = h);
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}
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},
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<span id='Ext-EventManager-method-onWindowResize'> /**
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</span> * Adds a listener to be notified when the browser window is resized and provides resize event buffering (100 milliseconds),
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* passes new viewport width and height to handlers.
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* @param {Function} fn The handler function the window resize event invokes.
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* @param {Object} scope The scope (<code>this</code> reference) in which the handler function executes. Defaults to the browser window.
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* @param {boolean} options Options object as passed to {@link Ext.Element#addListener}
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*/
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onWindowResize : function(fn, scope, options){
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if(!resizeEvent){
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resizeEvent = new Ext.util.Event();
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resizeTask = new Ext.util.DelayedTask(this.doResizeEvent);
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Ext.EventManager.on(window, "resize", this.fireWindowResize, this);
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}
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resizeEvent.addListener(fn, scope, options);
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},
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// exposed only to allow manual firing
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fireWindowResize : function(){
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if(resizeEvent){
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resizeTask.delay(100);
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}
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},
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<span id='Ext-EventManager-method-onTextResize'> /**
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</span> * Adds a listener to be notified when the user changes the active text size. Handler gets called with 2 params, the old size and the new size.
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* @param {Function} fn The function the event invokes.
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* @param {Object} scope The scope (<code>this</code> reference) in which the handler function executes. Defaults to the browser window.
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* @param {boolean} options Options object as passed to {@link Ext.Element#addListener}
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*/
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onTextResize : function(fn, scope, options){
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if(!textEvent){
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textEvent = new Ext.util.Event();
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var textEl = new Ext.Element(document.createElement('div'));
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textEl.dom.className = 'x-text-resize';
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textEl.dom.innerHTML = 'X';
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textEl.appendTo(document.body);
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textSize = textEl.dom.offsetHeight;
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setInterval(function(){
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if(textEl.dom.offsetHeight != textSize){
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textEvent.fire(textSize, textSize = textEl.dom.offsetHeight);
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}
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}, this.textResizeInterval);
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}
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textEvent.addListener(fn, scope, options);
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},
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<span id='Ext-EventManager-method-removeResizeListener'> /**
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</span> * Removes the passed window resize listener.
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* @param {Function} fn The method the event invokes
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* @param {Object} scope The scope of handler
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*/
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removeResizeListener : function(fn, scope){
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if(resizeEvent){
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resizeEvent.removeListener(fn, scope);
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}
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},
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// private
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fireResize : function(){
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if(resizeEvent){
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resizeEvent.fire(D.getViewWidth(), D.getViewHeight());
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}
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},
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<span id='Ext-EventManager-property-textResizeInterval'> /**
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</span> * The frequency, in milliseconds, to check for text resize events (defaults to 50)
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*/
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textResizeInterval : 50,
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<span id='Ext-EventManager-property-ieDeferSrc'> /**
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</span> * Url used for onDocumentReady with using SSL (defaults to Ext.SSL_SECURE_URL)
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*/
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ieDeferSrc : false,
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// protected, short accessor for useKeydown
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getKeyEvent : function(){
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return useKeydown ? 'keydown' : 'keypress';
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},
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// protected for use inside the framework
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// detects whether we should use keydown or keypress based on the browser.
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useKeydown: useKeydown
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};
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}());
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Ext.EventManager.on = Ext.EventManager.addListener;
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Ext.apply(Ext.EventObjectImpl.prototype, {
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<span id='Ext-EventManager-property-BACKSPACE'> /** Key constant @type Number */
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</span> BACKSPACE: 8,
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<span id='Ext-EventManager-property-TAB'> /** Key constant @type Number */
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</span> TAB: 9,
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<span id='Ext-EventManager-property-NUM_CENTER'> /** Key constant @type Number */
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</span> NUM_CENTER: 12,
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<span id='Ext-EventManager-property-ENTER'> /** Key constant @type Number */
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</span> ENTER: 13,
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<span id='Ext-EventManager-property-RETURN'> /** Key constant @type Number */
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</span> RETURN: 13,
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<span id='Ext-EventManager-property-SHIFT'> /** Key constant @type Number */
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</span> SHIFT: 16,
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<span id='Ext-EventManager-property-CTRL'> /** Key constant @type Number */
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</span> CTRL: 17,
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CONTROL : 17, // legacy
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<span id='Ext-EventManager-property-ALT'> /** Key constant @type Number */
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</span> ALT: 18,
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<span id='Ext-EventManager-property-PAUSE'> /** Key constant @type Number */
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</span> PAUSE: 19,
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<span id='Ext-EventManager-property-CAPS_LOCK'> /** Key constant @type Number */
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</span> CAPS_LOCK: 20,
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<span id='Ext-EventManager-property-ESC'> /** Key constant @type Number */
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</span> ESC: 27,
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<span id='Ext-EventManager-property-SPACE'> /** Key constant @type Number */
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</span> SPACE: 32,
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<span id='Ext-EventManager-property-PAGE_UP'> /** Key constant @type Number */
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</span> PAGE_UP: 33,
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PAGEUP : 33, // legacy
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<span id='Ext-EventManager-property-PAGE_DOWN'> /** Key constant @type Number */
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</span> PAGE_DOWN: 34,
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PAGEDOWN : 34, // legacy
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<span id='Ext-EventManager-property-END'> /** Key constant @type Number */
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</span> END: 35,
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<span id='Ext-EventManager-property-HOME'> /** Key constant @type Number */
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</span> HOME: 36,
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<span id='Ext-EventManager-property-LEFT'> /** Key constant @type Number */
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</span> LEFT: 37,
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<span id='Ext-EventManager-property-UP'> /** Key constant @type Number */
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</span> UP: 38,
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<span id='Ext-EventManager-property-RIGHT'> /** Key constant @type Number */
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</span> RIGHT: 39,
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<span id='Ext-EventManager-property-DOWN'> /** Key constant @type Number */
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</span> DOWN: 40,
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<span id='Ext-EventManager-property-PRINT_SCREEN'> /** Key constant @type Number */
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</span> PRINT_SCREEN: 44,
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<span id='Ext-EventManager-property-INSERT'> /** Key constant @type Number */
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</span> INSERT: 45,
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<span id='Ext-EventManager-property-DELETE'> /** Key constant @type Number */
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</span> DELETE: 46,
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<span id='Ext-EventManager-property-ZERO'> /** Key constant @type Number */
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</span> ZERO: 48,
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<span id='Ext-EventManager-property-ONE'> /** Key constant @type Number */
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</span> ONE: 49,
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<span id='Ext-EventManager-property-TWO'> /** Key constant @type Number */
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</span> TWO: 50,
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<span id='Ext-EventManager-property-THREE'> /** Key constant @type Number */
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</span> THREE: 51,
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<span id='Ext-EventManager-property-FOUR'> /** Key constant @type Number */
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</span> FOUR: 52,
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<span id='Ext-EventManager-property-FIVE'> /** Key constant @type Number */
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</span> FIVE: 53,
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<span id='Ext-EventManager-property-SIX'> /** Key constant @type Number */
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</span> SIX: 54,
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<span id='Ext-EventManager-property-SEVEN'> /** Key constant @type Number */
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</span> SEVEN: 55,
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<span id='Ext-EventManager-property-EIGHT'> /** Key constant @type Number */
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</span> EIGHT: 56,
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<span id='Ext-EventManager-property-NINE'> /** Key constant @type Number */
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</span> NINE: 57,
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<span id='Ext-EventManager-property-A'> /** Key constant @type Number */
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</span> A: 65,
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<span id='Ext-EventManager-property-B'> /** Key constant @type Number */
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</span> B: 66,
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<span id='Ext-EventManager-property-C'> /** Key constant @type Number */
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</span> C: 67,
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<span id='Ext-EventManager-property-D'> /** Key constant @type Number */
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</span> D: 68,
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<span id='Ext-EventManager-property-E'> /** Key constant @type Number */
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</span> E: 69,
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<span id='Ext-EventManager-property-F'> /** Key constant @type Number */
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</span> F: 70,
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<span id='Ext-EventManager-property-G'> /** Key constant @type Number */
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</span> G: 71,
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<span id='Ext-EventManager-property-H'> /** Key constant @type Number */
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</span> H: 72,
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<span id='Ext-EventManager-property-I'> /** Key constant @type Number */
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</span> I: 73,
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<span id='Ext-EventManager-property-J'> /** Key constant @type Number */
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</span> J: 74,
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<span id='Ext-EventManager-property-K'> /** Key constant @type Number */
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</span> K: 75,
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<span id='Ext-EventManager-property-L'> /** Key constant @type Number */
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</span> L: 76,
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<span id='Ext-EventManager-property-M'> /** Key constant @type Number */
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</span> M: 77,
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<span id='Ext-EventManager-property-N'> /** Key constant @type Number */
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</span> N: 78,
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<span id='Ext-EventManager-property-O'> /** Key constant @type Number */
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</span> O: 79,
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<span id='Ext-EventManager-property-P'> /** Key constant @type Number */
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</span> P: 80,
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<span id='Ext-EventManager-property-Q'> /** Key constant @type Number */
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</span> Q: 81,
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<span id='Ext-EventManager-property-R'> /** Key constant @type Number */
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</span> R: 82,
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<span id='Ext-EventManager-property-S'> /** Key constant @type Number */
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</span> S: 83,
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<span id='Ext-EventManager-property-T'> /** Key constant @type Number */
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</span> T: 84,
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<span id='Ext-EventManager-property-U'> /** Key constant @type Number */
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</span> U: 85,
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<span id='Ext-EventManager-property-V'> /** Key constant @type Number */
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</span> V: 86,
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<span id='Ext-EventManager-property-W'> /** Key constant @type Number */
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</span> W: 87,
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<span id='Ext-EventManager-property-X'> /** Key constant @type Number */
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</span> X: 88,
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<span id='Ext-EventManager-property-Y'> /** Key constant @type Number */
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</span> Y: 89,
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<span id='Ext-EventManager-property-Z'> /** Key constant @type Number */
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</span> Z: 90,
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<span id='Ext-EventManager-property-CONTEXT_MENU'> /** Key constant @type Number */
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</span> CONTEXT_MENU: 93,
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<span id='Ext-EventManager-property-NUM_ZERO'> /** Key constant @type Number */
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</span> NUM_ZERO: 96,
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<span id='Ext-EventManager-property-NUM_ONE'> /** Key constant @type Number */
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</span> NUM_ONE: 97,
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<span id='Ext-EventManager-property-NUM_TWO'> /** Key constant @type Number */
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</span> NUM_TWO: 98,
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<span id='Ext-EventManager-property-NUM_THREE'> /** Key constant @type Number */
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</span> NUM_THREE: 99,
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<span id='Ext-EventManager-property-NUM_FOUR'> /** Key constant @type Number */
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</span> NUM_FOUR: 100,
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<span id='Ext-EventManager-property-NUM_FIVE'> /** Key constant @type Number */
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</span> NUM_FIVE: 101,
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<span id='Ext-EventManager-property-NUM_SIX'> /** Key constant @type Number */
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</span> NUM_SIX: 102,
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<span id='Ext-EventManager-property-NUM_SEVEN'> /** Key constant @type Number */
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</span> NUM_SEVEN: 103,
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<span id='Ext-EventManager-property-NUM_EIGHT'> /** Key constant @type Number */
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</span> NUM_EIGHT: 104,
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<span id='Ext-EventManager-property-NUM_NINE'> /** Key constant @type Number */
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</span> NUM_NINE: 105,
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<span id='Ext-EventManager-property-NUM_MULTIPLY'> /** Key constant @type Number */
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</span> NUM_MULTIPLY: 106,
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<span id='Ext-EventManager-property-NUM_PLUS'> /** Key constant @type Number */
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</span> NUM_PLUS: 107,
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<span id='Ext-EventManager-property-NUM_MINUS'> /** Key constant @type Number */
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</span> NUM_MINUS: 109,
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<span id='Ext-EventManager-property-NUM_PERIOD'> /** Key constant @type Number */
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</span> NUM_PERIOD: 110,
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<span id='Ext-EventManager-property-NUM_DIVISION'> /** Key constant @type Number */
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</span> NUM_DIVISION: 111,
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<span id='Ext-EventManager-property-F1'> /** Key constant @type Number */
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</span> F1: 112,
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<span id='Ext-EventManager-property-F2'> /** Key constant @type Number */
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</span> F2: 113,
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<span id='Ext-EventManager-property-F3'> /** Key constant @type Number */
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</span> F3: 114,
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<span id='Ext-EventManager-property-F4'> /** Key constant @type Number */
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</span> F4: 115,
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<span id='Ext-EventManager-property-F5'> /** Key constant @type Number */
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</span> F5: 116,
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<span id='Ext-EventManager-property-F6'> /** Key constant @type Number */
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</span> F6: 117,
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<span id='Ext-EventManager-property-F7'> /** Key constant @type Number */
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</span> F7: 118,
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<span id='Ext-EventManager-property-F8'> /** Key constant @type Number */
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</span> F8: 119,
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<span id='Ext-EventManager-property-F9'> /** Key constant @type Number */
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</span> F9: 120,
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<span id='Ext-EventManager-property-F10'> /** Key constant @type Number */
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</span> F10: 121,
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<span id='Ext-EventManager-property-F11'> /** Key constant @type Number */
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</span> F11: 122,
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<span id='Ext-EventManager-property-F12'> /** Key constant @type Number */
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</span> F12: 123,
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<span id='Ext-EventManager-method-isNavKeyPress'> /** @private */
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</span> isNavKeyPress : function(){
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var me = this,
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k = this.normalizeKey(me.keyCode);
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return (k >= 33 && k <= 40) || // Page Up/Down, End, Home, Left, Up, Right, Down
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k == me.RETURN ||
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k == me.TAB ||
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k == me.ESC;
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},
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isSpecialKey : function(){
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var k = this.normalizeKey(this.keyCode);
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return (this.type == 'keypress' && this.ctrlKey) ||
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this.isNavKeyPress() ||
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(k == this.BACKSPACE) || // Backspace
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(k >= 16 && k <= 20) || // Shift, Ctrl, Alt, Pause, Caps Lock
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(k >= 44 && k <= 46); // Print Screen, Insert, Delete
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},
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getPoint : function(){
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return new Ext.lib.Point(this.xy[0], this.xy[1]);
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},
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<span id='Ext-EventManager-method-hasModifier'> /**
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</span> * Returns true if the control, meta, shift or alt key was pressed during this event.
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* @return {Boolean}
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*/
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hasModifier : function(){
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return ((this.ctrlKey || this.altKey) || this.shiftKey);
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}
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});</pre>
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</body>
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</html>
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