--- /dev/null
+/**
+ * @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 = {
+
+ // --------------------- onReady ---------------------
+
+ /**
+ * Check if we have bound our global onReady listener
+ * @private
+ */
+ hasBoundOnReady: false,
+
+ /**
+ * Check if fireDocReady has been called
+ * @private
+ */
+ hasFiredReady: false,
+
+ /**
+ * Timer for the document ready event in old IE versions
+ * @private
+ */
+ readyTimeout: null,
+
+ /**
+ * Checks if we have bound an onreadystatechange event
+ * @private
+ */
+ hasOnReadyStateChange: false,
+
+ /**
+ * Holds references to any onReady functions
+ * @private
+ */
+ readyEvent: new Ext.util.Event(),
+
+ /**
+ * Check the ready state for old IE versions
+ * @private
+ * @return {Boolean} True if the document is ready
+ */
+ checkReadyState: function(){
+ var me = Ext.EventManager;
+
+ if(window.attachEvent){
+ // See here for reference: http://javascript.nwbox.com/IEContentLoaded/
+ if (window != top) {
+ return false;
+ }
+ try{
+ document.documentElement.doScroll('left');
+ }catch(e){
+ return false;
+ }
+ me.fireDocReady();
+ return true;
+ }
+ if (document.readyState == 'complete') {
+ me.fireDocReady();
+ return true;
+ }
+ me.readyTimeout = setTimeout(arguments.callee, 2);
+ return false;
+ },
+
+ /**
+ * Binds the appropriate browser event for checking if the DOM has loaded.
+ * @private
+ */
+ bindReadyEvent: function(){
+ var me = Ext.EventManager;
+ if (me.hasBoundOnReady) {
+ return;
+ }
+
+ if (document.addEventListener) {
+ document.addEventListener('DOMContentLoaded', me.fireDocReady, false);
+ // fallback, load will ~always~ fire
+ window.addEventListener('load', me.fireDocReady, false);
+ } else {
+ // check if the document is ready, this will also kick off the scroll checking timer
+ if (!me.checkReadyState()) {
+ document.attachEvent('onreadystatechange', me.checkReadyState);
+ me.hasOnReadyStateChange = true;
+ }
+ // fallback, onload will ~always~ fire
+ window.attachEvent('onload', me.fireDocReady, false);
+ }
+ me.hasBoundOnReady = true;
+ },
+
+ /**
+ * We know the document is loaded, so trigger any onReady events.
+ * @private
+ */
+ fireDocReady: function(){
+ var me = Ext.EventManager;
+
+ // only unbind these events once
+ if (!me.hasFiredReady) {
+ me.hasFiredReady = true;
+
+ if (document.addEventListener) {
+ document.removeEventListener('DOMContentLoaded', me.fireDocReady, false);
+ window.removeEventListener('load', me.fireDocReady, false);
+ } else {
+ if (me.readyTimeout !== null) {
+ clearTimeout(me.readyTimeout);
+ }
+ if (me.hasOnReadyStateChange) {
+ document.detachEvent('onreadystatechange', me.checkReadyState);
+ }
+ window.detachEvent('onload', me.fireDocReady);
+ }
+ Ext.supports.init();
+ }
+ if (!Ext.isReady) {
+ Ext.isReady = true;
+ me.onWindowUnload();
+ me.readyEvent.fire();
+ }
+ },
+
+ /**
+ * 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.core.Element#addListener}.
+ */
+ onDocumentReady: function(fn, scope, options){
+ options = options || {};
+ var me = Ext.EventManager,
+ readyEvent = me.readyEvent;
+
+ // force single to be true so our event is only ever fired once.
+ options.single = true;
+
+ // Document already loaded, let's just fire it
+ if (Ext.isReady) {
+ readyEvent.addListener(fn, scope, options);
+ readyEvent.fire();
+ } else {
+ options.delay = options.delay || 1;
+ readyEvent.addListener(fn, scope, options);
+ me.bindReadyEvent();
+ }
+ },
+
+
+ // --------------------- event binding ---------------------
+
+ /**
+ * Contains a list of all document mouse downs, so we can ensure they fire even when stopEvent is called.
+ * @private
+ */
+ stoppedMouseDownEvent: new Ext.util.Event(),
+
+ /**
+ * Options to parse for the 4th argument to addListener.
+ * @private
+ */
+ propRe: /^(?:scope|delay|buffer|single|stopEvent|preventDefault|stopPropagation|normalized|args|delegate|freezeEvent)$/,
+
+ /**
+ * Get the id of the element. If one has not been assigned, automatically assign it.
+ * @param {Mixed} element The element to get the id for.
+ * @return {String} id
+ */
+ getId : function(element) {
+ var skipGarbageCollection = false,
+ id;
+
+ element = Ext.getDom(element);
+
+ if (element === document || element === window) {
+ id = element === document ? Ext.documentId : Ext.windowId;
+ }
+ else {
+ id = Ext.id(element);
+ }
+ // skip garbage collection for special elements (window, document, iframes)
+ if (element && (element.getElementById || element.navigator)) {
+ skipGarbageCollection = true;
+ }
+
+ if (!Ext.cache[id]){
+ Ext.core.Element.addToCache(new Ext.core.Element(element), id);
+ if (skipGarbageCollection) {
+ Ext.cache[id].skipGarbageCollection = true;
+ }
+ }
+ return id;
+ },
+
+ /**
+ * Convert a "config style" listener into a set of flat arguments so they can be passed to addListener
+ * @private
+ * @param {Object} element The element the event is for
+ * @param {Object} event The event configuration
+ * @param {Object} isRemove True if a removal should be performed, otherwise an add will be done.
+ */
+ prepareListenerConfig: function(element, config, isRemove){
+ var me = this,
+ propRe = me.propRe,
+ key, value, args;
+
+ // loop over all the keys in the object
+ for (key in config) {
+ if (config.hasOwnProperty(key)) {
+ // if the key is something else then an event option
+ if (!propRe.test(key)) {
+ value = config[key];
+ // if the value is a function it must be something like click: function(){}, scope: this
+ // which means that there might be multiple event listeners with shared options
+ if (Ext.isFunction(value)) {
+ // shared options
+ args = [element, key, value, config.scope, config];
+ } else {
+ // if its not a function, it must be an object like click: {fn: function(){}, scope: this}
+ args = [element, key, value.fn, value.scope, value];
+ }
+
+ if (isRemove === true) {
+ me.removeListener.apply(this, args);
+ } else {
+ me.addListener.apply(me, args);
+ }
+ }
+ }
+ }
+ },
+
+ /**
+ * Normalize cross browser event differences
+ * @private
+ * @param {Object} eventName The event name
+ * @param {Object} fn The function to execute
+ * @return {Object} The new event name/function
+ */
+ normalizeEvent: function(eventName, fn){
+ if (/mouseenter|mouseleave/.test(eventName) && !Ext.supports.MouseEnterLeave) {
+ if (fn) {
+ fn = Ext.Function.createInterceptor(fn, this.contains, this);
+ }
+ eventName = eventName == 'mouseenter' ? 'mouseover' : 'mouseout';
+ } else if (eventName == 'mousewheel' && !Ext.supports.MouseWheel && !Ext.isOpera){
+ eventName = 'DOMMouseScroll';
+ }
+ return {
+ eventName: eventName,
+ fn: fn
+ };
+ },
+
+ /**
+ * Checks whether the event's relatedTarget is contained inside (or <b>is</b>) the element.
+ * @private
+ * @param {Object} event
+ */
+ contains: function(event){
+ var parent = event.browserEvent.currentTarget,
+ child = this.getRelatedTarget(event);
+
+ if (parent && parent.firstChild) {
+ while (child) {
+ if (child === parent) {
+ return false;
+ }
+ child = child.parentNode;
+ if (child && (child.nodeType != 1)) {
+ child = null;
+ }
+ }
+ }
+ return true;
+ },
+
+ /**
+ * Appends an event handler to an element. The shorthand version {@link #on} is equivalent. Typically you will
+ * use {@link Ext.core.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.core.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.core.Element#addListener} for examples of how to use these options.</p>
+ */
+ addListener: function(element, eventName, fn, scope, options){
+ // Check if we've been passed a "config style" event.
+ if (Ext.isObject(eventName)) {
+ this.prepareListenerConfig(element, eventName);
+ return;
+ }
+
+ var dom = Ext.getDom(element),
+ bind,
+ wrap;
+
+ //<debug>
+ if (!dom){
+ Ext.Error.raise({
+ sourceClass: 'Ext.EventManager',
+ sourceMethod: 'addListener',
+ targetElement: element,
+ eventName: eventName,
+ msg: 'Error adding "' + eventName + '\" listener for nonexistent element "' + element + '"'
+ });
+ }
+ if (!fn) {
+ Ext.Error.raise({
+ sourceClass: 'Ext.EventManager',
+ sourceMethod: 'addListener',
+ targetElement: element,
+ eventName: eventName,
+ msg: 'Error adding "' + eventName + '\" listener. The handler function is undefined.'
+ });
+ }
+ //</debug>
+
+ // create the wrapper function
+ options = options || {};
+
+ bind = this.normalizeEvent(eventName, fn);
+ wrap = this.createListenerWrap(dom, eventName, bind.fn, scope, options);
+
+
+ if (dom.attachEvent) {
+ dom.attachEvent('on' + bind.eventName, wrap);
+ } else {
+ dom.addEventListener(bind.eventName, wrap, options.capture || false);
+ }
+
+ if (dom == document && eventName == 'mousedown') {
+ this.stoppedMouseDownEvent.addListener(wrap);
+ }
+
+ // add all required data into the event cache
+ this.getEventListenerCache(dom, eventName).push({
+ fn: fn,
+ wrap: wrap,
+ scope: scope
+ });
+ },
+
+ /**
+ * Removes an event handler from an element. The shorthand version {@link #un} is equivalent. Typically
+ * you will use {@link Ext.core.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(element, eventName, fn, scope) {
+ // handle our listener config object syntax
+ if (Ext.isObject(eventName)) {
+ this.prepareListenerConfig(element, eventName, true);
+ return;
+ }
+
+ var dom = Ext.getDom(element),
+ cache = this.getEventListenerCache(dom, eventName),
+ bindName = this.normalizeEvent(eventName).eventName,
+ i = cache.length, j,
+ listener, wrap, tasks;
+
+
+ while (i--) {
+ listener = cache[i];
+
+ if (listener && (!fn || listener.fn == fn) && (!scope || listener.scope === scope)) {
+ wrap = listener.wrap;
+
+ // clear buffered calls
+ if (wrap.task) {
+ clearTimeout(wrap.task);
+ delete wrap.task;
+ }
+
+ // clear delayed calls
+ j = wrap.tasks && wrap.tasks.length;
+ if (j) {
+ while (j--) {
+ clearTimeout(wrap.tasks[j]);
+ }
+ delete wrap.tasks;
+ }
+
+ if (dom.detachEvent) {
+ dom.detachEvent('on' + bindName, wrap);
+ } else {
+ dom.removeEventListener(bindName, wrap, false);
+ }
+
+ if (wrap && dom == document && eventName == 'mousedown') {
+ this.stoppedMouseDownEvent.removeListener(wrap);
+ }
+
+ // remove listener from cache
+ cache.splice(i, 1);
+ }
+ }
+ },
+
+ /**
+ * Removes all event handers from an element. Typically you will use {@link Ext.core.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(element){
+ var dom = Ext.getDom(element),
+ cache, ev;
+ if (!dom) {
+ return;
+ }
+ cache = this.getElementEventCache(dom);
+
+ for (ev in cache) {
+ if (cache.hasOwnProperty(ev)) {
+ this.removeListener(dom, ev);
+ }
+ }
+ Ext.cache[dom.id].events = {};
+ },
+
+ /**
+ * Recursively removes all previous added listeners from an element and its children. Typically you will use {@link Ext.core.Element#purgeAllListeners}
+ * 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.
+ * @param {String} eventName (optional) The name of the event.
+ */
+ purgeElement : function(element, eventName) {
+ var dom = Ext.getDom(element),
+ i = 0, len;
+
+ if(eventName) {
+ this.removeListener(dom, eventName);
+ }
+ else {
+ this.removeAll(dom);
+ }
+
+ if(dom && dom.childNodes) {
+ for(len = element.childNodes.length; i < len; i++) {
+ this.purgeElement(element.childNodes[i], eventName);
+ }
+ }
+ },
+
+ /**
+ * Create the wrapper function for the event
+ * @private
+ * @param {HTMLElement} dom The dom element
+ * @param {String} ename The event name
+ * @param {Function} fn The function to execute
+ * @param {Object} scope The scope to execute callback in
+ * @param {Object} o The options
+ */
+ createListenerWrap : function(dom, ename, fn, scope, options) {
+ options = !Ext.isObject(options) ? {} : options;
+
+ var f = ['if(!Ext) {return;}'],
+ gen;
+
+ if(options.buffer || options.delay || options.freezeEvent) {
+ f.push('e = new Ext.EventObjectImpl(e, ' + (options.freezeEvent ? 'true' : 'false' ) + ');');
+ } else {
+ f.push('e = Ext.EventObject.setEvent(e);');
+ }
+
+ if (options.delegate) {
+ f.push('var t = e.getTarget("' + options.delegate + '", this);');
+ f.push('if(!t) {return;}');
+ } else {
+ f.push('var t = e.target;');
+ }
+
+ if (options.target) {
+ f.push('if(e.target !== options.target) {return;}');
+ }
+
+ if(options.stopEvent) {
+ f.push('e.stopEvent();');
+ } else {
+ if(options.preventDefault) {
+ f.push('e.preventDefault();');
+ }
+ if(options.stopPropagation) {
+ f.push('e.stopPropagation();');
+ }
+ }
+
+ if(options.normalized === false) {
+ f.push('e = e.browserEvent;');
+ }
+
+ if(options.buffer) {
+ f.push('(wrap.task && clearTimeout(wrap.task));');
+ f.push('wrap.task = setTimeout(function(){');
+ }
+
+ if(options.delay) {
+ f.push('wrap.tasks = wrap.tasks || [];');
+ f.push('wrap.tasks.push(setTimeout(function(){');
+ }
+
+ // finally call the actual handler fn
+ f.push('fn.call(scope || dom, e, t, options);');
+
+ if(options.single) {
+ f.push('Ext.EventManager.removeListener(dom, ename, fn, scope);');
+ }
+
+ if(options.delay) {
+ f.push('}, ' + options.delay + '));');
+ }
+
+ if(options.buffer) {
+ f.push('}, ' + options.buffer + ');');
+ }
+
+ gen = Ext.functionFactory('e', 'options', 'fn', 'scope', 'ename', 'dom', 'wrap', 'args', f.join('\n'));
+
+ return function wrap(e, args) {
+ gen.call(dom, e, options, fn, scope, ename, dom, wrap, args);
+ };
+ },
+
+ /**
+ * Get the event cache for a particular element for a particular event
+ * @private
+ * @param {HTMLElement} element The element
+ * @param {Object} eventName The event name
+ * @return {Array} The events for the element
+ */
+ getEventListenerCache : function(element, eventName) {
+ var eventCache = this.getElementEventCache(element);
+ return eventCache[eventName] || (eventCache[eventName] = []);
+ },
+
+ /**
+ * Gets the event cache for the object
+ * @private
+ * @param {HTMLElement} element The element
+ * @return {Object} The event cache for the object
+ */
+ getElementEventCache : function(element) {
+ var elementCache = Ext.cache[this.getId(element)];
+ return elementCache.events || (elementCache.events = {});
+ },
+
+ // --------------------- utility methods ---------------------
+ mouseLeaveRe: /(mouseout|mouseleave)/,
+ mouseEnterRe: /(mouseover|mouseenter)/,
+
+ /**
+ * Stop the event (preventDefault and stopPropagation)
+ * @param {Event} The event to stop
+ */
+ stopEvent: function(event) {
+ this.stopPropagation(event);
+ this.preventDefault(event);
+ },
+
+ /**
+ * Cancels bubbling of the event.
+ * @param {Event} The event to stop bubbling.
+ */
+ stopPropagation: function(event) {
+ event = event.browserEvent || event;
+ if (event.stopPropagation) {
+ event.stopPropagation();
+ } else {
+ event.cancelBubble = true;
+ }
+ },
+
+ /**
+ * Prevents the browsers default handling of the event.
+ * @param {Event} The event to prevent the default
+ */
+ preventDefault: function(event) {
+ event = event.browserEvent || event;
+ if (event.preventDefault) {
+ event.preventDefault();
+ } else {
+ event.returnValue = false;
+ // Some keys events require setting the keyCode to -1 to be prevented
+ try {
+ // all ctrl + X and F1 -> F12
+ if (event.ctrlKey || event.keyCode > 111 && event.keyCode < 124) {
+ event.keyCode = -1;
+ }
+ } catch (e) {
+ // see this outdated document http://support.microsoft.com/kb/934364/en-us for more info
+ }
+ }
+ },
+
+ /**
+ * Gets the related target from the event.
+ * @param {Object} event The event
+ * @return {HTMLElement} The related target.
+ */
+ getRelatedTarget: function(event) {
+ event = event.browserEvent || event;
+ var target = event.relatedTarget;
+ if (!target) {
+ if (this.mouseLeaveRe.test(event.type)) {
+ target = event.toElement;
+ } else if (this.mouseEnterRe.test(event.type)) {
+ target = event.fromElement;
+ }
+ }
+ return this.resolveTextNode(target);
+ },
+
+ /**
+ * Gets the x coordinate from the event
+ * @param {Object} event The event
+ * @return {Number} The x coordinate
+ */
+ getPageX: function(event) {
+ return this.getXY(event)[0];
+ },
+
+ /**
+ * Gets the y coordinate from the event
+ * @param {Object} event The event
+ * @return {Number} The y coordinate
+ */
+ getPageY: function(event) {
+ return this.getXY(event)[1];
+ },
+
+ /**
+ * Gets the x & ycoordinate from the event
+ * @param {Object} event The event
+ * @return {Array} The x/y coordinate
+ */
+ getPageXY: function(event) {
+ event = event.browserEvent || event;
+ var x = event.pageX,
+ y = event.pageY,
+ doc = document.documentElement,
+ body = document.body;
+
+ // pageX/pageY not available (undefined, not null), use clientX/clientY instead
+ if (!x && x !== 0) {
+ x = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
+ y = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
+ }
+ return [x, y];
+ },
+
+ /**
+ * Gets the target of the event.
+ * @param {Object} event The event
+ * @return {HTMLElement} target
+ */
+ getTarget: function(event) {
+ event = event.browserEvent || event;
+ return this.resolveTextNode(event.target || event.srcElement);
+ },
+
+ /**
+ * Resolve any text nodes accounting for browser differences.
+ * @private
+ * @param {HTMLElement} node The node
+ * @return {HTMLElement} The resolved node
+ */
+ // technically no need to browser sniff this, however it makes no sense to check this every time, for every event, whether the string is equal.
+ resolveTextNode: Ext.isGecko ?
+ function(node) {
+ if (!node) {
+ return;
+ }
+ // work around firefox bug, https://bugzilla.mozilla.org/show_bug.cgi?id=101197
+ var s = HTMLElement.prototype.toString.call(node);
+ if (s == '[xpconnect wrapped native prototype]' || s == '[object XULElement]') {
+ return;
+ }
+ return node.nodeType == 3 ? node.parentNode: node;
+ }: function(node) {
+ return node && node.nodeType == 3 ? node.parentNode: node;
+ },
+
+ // --------------------- custom event binding ---------------------
+
+ // Keep track of the current width/height
+ curWidth: 0,
+ curHeight: 0,
+
+ /**
+ * Adds a listener to be notified when the browser window is resized and provides resize event buffering (100 milliseconds),
+ * passes new viewport width and height to handlers.
+ * @param {Function} fn The handler function the window resize event invokes.
+ * @param {Object} scope The scope (<code>this</code> reference) in which the handler function executes. Defaults to the browser window.
+ * @param {boolean} options Options object as passed to {@link Ext.core.Element#addListener}
+ */
+ onWindowResize: function(fn, scope, options){
+ var resize = this.resizeEvent;
+ if(!resize){
+ this.resizeEvent = resize = new Ext.util.Event();
+ this.on(window, 'resize', this.fireResize, this, {buffer: 100});
+ }
+ resize.addListener(fn, scope, options);
+ },
+
+ /**
+ * Fire the resize event.
+ * @private
+ */
+ fireResize: function(){
+ var me = this,
+ w = Ext.core.Element.getViewWidth(),
+ h = Ext.core.Element.getViewHeight();
+
+ //whacky problem in IE where the resize event will sometimes fire even though the w/h are the same.
+ if(me.curHeight != h || me.curWidth != w){
+ me.curHeight = h;
+ me.curWidth = w;
+ me.resizeEvent.fire(w, h);
+ }
+ },
+
+ /**
+ * 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 (this.resizeEvent) {
+ this.resizeEvent.removeListener(fn, scope);
+ }
+ },
+
+ onWindowUnload: function() {
+ var unload = this.unloadEvent;
+ if (!unload) {
+ this.unloadEvent = unload = new Ext.util.Event();
+ this.addListener(window, 'unload', this.fireUnload, this);
+ }
+ },
+
+ /**
+ * Fires the unload event for items bound with onWindowUnload
+ * @private
+ */
+ fireUnload: function() {
+ // wrap in a try catch, could have some problems during unload
+ try {
+ this.removeUnloadListener();
+ // Work around FF3 remembering the last scroll position when refreshing the grid and then losing grid view
+ if (Ext.isGecko3) {
+ var gridviews = Ext.ComponentQuery.query('gridview'),
+ i = 0,
+ ln = gridviews.length;
+ for (; i < ln; i++) {
+ gridviews[i].scrollToTop();
+ }
+ }
+ // Purge all elements in the cache
+ var el,
+ cache = Ext.cache;
+ for (el in cache) {
+ if (cache.hasOwnProperty(el)) {
+ Ext.EventManager.removeAll(el);
+ }
+ }
+ } catch(e) {
+ }
+ },
+
+ /**
+ * Removes the passed window unload listener.
+ * @param {Function} fn The method the event invokes
+ * @param {Object} scope The scope of handler
+ */
+ removeUnloadListener: function(){
+ if (this.unloadEvent) {
+ this.removeListener(window, 'unload', this.fireUnload);
+ }
+ },
+
+ /**
+ * note 1: IE fires ONLY the keydown event on specialkey autorepeat
+ * note 2: Safari < 3.1, Gecko (Mac/Linux) & Opera fire only the keypress event on specialkey autorepeat
+ * (research done by @Jan Wolter at http://unixpapa.com/js/key.html)
+ * @private
+ */
+ useKeyDown: Ext.isWebKit ?
+ parseInt(navigator.userAgent.match(/AppleWebKit\/(\d+)/)[1], 10) >= 525 :
+ !((Ext.isGecko && !Ext.isWindows) || Ext.isOpera),
+
+ /**
+ * Indicates which event to use for getting key presses.
+ * @return {String} The appropriate event name.
+ */
+ getKeyEvent: function(){
+ return this.useKeyDown ? 'keydown' : 'keypress';
+ }
+};
+
+/**
+ * Alias for {@link Ext.Loader#onReady Ext.Loader.onReady} with withDomReady set to true
+ * @member Ext
+ * @method onReady
+ */
+Ext.onReady = function(fn, scope, options) {
+ Ext.Loader.onReady(fn, scope, true, options);
+};
+
+/**
+ * Alias for {@link Ext.EventManager#onDocumentReady Ext.EventManager.onDocumentReady}
+ * @member Ext
+ * @method onDocumentReady
+ */
+Ext.onDocumentReady = Ext.EventManager.onDocumentReady;
+
+/**
+ * Alias for {@link Ext.EventManager#addListener Ext.EventManager.addListener}
+ * @member Ext.EventManager
+ * @method on
+ */
+Ext.EventManager.on = Ext.EventManager.addListener;
+
+/**
+ * Alias for {@link Ext.EventManager#removeListener Ext.EventManager.removeListener}
+ * @member Ext.EventManager
+ * @method un
+ */
+Ext.EventManager.un = Ext.EventManager.removeListener;
+
+(function(){
+ var initExtCss = function() {
+ // find the body element
+ var bd = document.body || document.getElementsByTagName('body')[0],
+ baseCSSPrefix = Ext.baseCSSPrefix,
+ cls = [],
+ htmlCls = [],
+ html;
+
+ if (!bd) {
+ return false;
+ }
+
+ html = bd.parentNode;
+
+ //Let's keep this human readable!
+ if (Ext.isIE) {
+ cls.push(baseCSSPrefix + 'ie');
+ }
+ if (Ext.isIE6) {
+ cls.push(baseCSSPrefix + 'ie6');
+ }
+ if (Ext.isIE7) {
+ cls.push(baseCSSPrefix + 'ie7');
+ }
+ if (Ext.isIE8) {
+ cls.push(baseCSSPrefix + 'ie8');
+ }
+ if (Ext.isIE9) {
+ cls.push(baseCSSPrefix + 'ie9');
+ }
+ if (Ext.isGecko) {
+ cls.push(baseCSSPrefix + 'gecko');
+ }
+ if (Ext.isGecko3) {
+ cls.push(baseCSSPrefix + 'gecko3');
+ }
+ if (Ext.isGecko4) {
+ cls.push(baseCSSPrefix + 'gecko4');
+ }
+ if (Ext.isOpera) {
+ cls.push(baseCSSPrefix + 'opera');
+ }
+ if (Ext.isWebKit) {
+ cls.push(baseCSSPrefix + 'webkit');
+ }
+ if (Ext.isSafari) {
+ cls.push(baseCSSPrefix + 'safari');
+ }
+ if (Ext.isSafari2) {
+ cls.push(baseCSSPrefix + 'safari2');
+ }
+ if (Ext.isSafari3) {
+ cls.push(baseCSSPrefix + 'safari3');
+ }
+ if (Ext.isSafari4) {
+ cls.push(baseCSSPrefix + 'safari4');
+ }
+ if (Ext.isChrome) {
+ cls.push(baseCSSPrefix + 'chrome');
+ }
+ if (Ext.isMac) {
+ cls.push(baseCSSPrefix + 'mac');
+ }
+ if (Ext.isLinux) {
+ cls.push(baseCSSPrefix + 'linux');
+ }
+ if (!Ext.supports.CSS3BorderRadius) {
+ cls.push(baseCSSPrefix + 'nbr');
+ }
+ if (!Ext.supports.CSS3LinearGradient) {
+ cls.push(baseCSSPrefix + 'nlg');
+ }
+ if (!Ext.scopeResetCSS) {
+ cls.push(baseCSSPrefix + 'reset');
+ }
+
+ // add to the parent to allow for selectors x-strict x-border-box, also set the isBorderBox property correctly
+ if (html) {
+ if (Ext.isStrict && (Ext.isIE6 || Ext.isIE7)) {
+ Ext.isBorderBox = false;
+ }
+ else {
+ Ext.isBorderBox = true;
+ }
+
+ htmlCls.push(baseCSSPrefix + (Ext.isBorderBox ? 'border-box' : 'strict'));
+ if (!Ext.isStrict) {
+ htmlCls.push(baseCSSPrefix + 'quirks');
+ if (Ext.isIE && !Ext.isStrict) {
+ Ext.isIEQuirks = true;
+ }
+ }
+ Ext.fly(html, '_internal').addCls(htmlCls);
+ }
+
+ Ext.fly(bd, '_internal').addCls(cls);
+ return true;
+ };
+
+ Ext.onReady(initExtCss);
+})();
git.ithinksw.org / extjs.git / blobdiff