--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui3.0.0/build/event/event.js Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,2220 @@
+/*
+Copyright (c) 2009, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 3.0.0
+build: 1549
+*/
+/*
+ * DOM event listener abstraction layer
+ * @module event
+ * @submodule event-base
+ */
+
+(function() {
+
+
+// Unlike most of the library, this code has to be executed as soon as it is
+// introduced into the page -- and it should only be executed one time
+// regardless of the number of instances that use it.
+
+var GLOBAL_ENV = YUI.Env,
+
+ C = YUI.config,
+
+ D = C.doc,
+
+ POLL_INTERVAL = C.pollInterval || 40,
+
+ _ready = function(e) {
+ GLOBAL_ENV._ready();
+ };
+
+ if (!GLOBAL_ENV._ready) {
+
+ GLOBAL_ENV._ready = function() {
+ if (!GLOBAL_ENV.DOMReady) {
+ GLOBAL_ENV.DOMReady=true;
+
+ // Remove the DOMContentLoaded (FF/Opera/Safari)
+ if (D.removeEventListener) {
+ D.removeEventListener("DOMContentLoaded", _ready, false);
+ }
+ }
+ };
+
+ // create custom event
+
+/*! DOMReady: based on work by: Dean Edwards/John Resig/Matthias Miller/Diego Perini */
+
+ // Internet Explorer: use the readyState of a defered script.
+ // This isolates what appears to be a safe moment to manipulate
+ // the DOM prior to when the document's readyState suggests
+ // it is safe to do so.
+ if (navigator.userAgent.match(/MSIE/)) {
+
+ if (self !== self.top) {
+ document.onreadystatechange = function() {
+ if (document.readyState == 'complete') {
+ document.onreadystatechange = null;
+ _ready();
+ }
+ };
+ } else {
+
+ GLOBAL_ENV._dri = setInterval(function() {
+ try {
+ // throws an error if doc is not ready
+ document.documentElement.doScroll('left');
+ clearInterval(GLOBAL_ENV._dri);
+ GLOBAL_ENV._dri = null;
+ _ready();
+ } catch (ex) {
+ }
+ }, POLL_INTERVAL);
+ }
+
+ // FireFox, Opera, Safari 3+: These browsers provide a event for this
+ // moment.
+ } else {
+ D.addEventListener("DOMContentLoaded", _ready, false);
+ }
+
+ /////////////////////////////////////////////////////////////
+ }
+
+})();
+YUI.add('event-base', function(Y) {
+
+(function() {
+/*
+ * DOM event listener abstraction layer
+ * @module event
+ * @submodule event-base
+ */
+
+var GLOBAL_ENV = YUI.Env,
+
+ yready = function() {
+ Y.fire('domready');
+ };
+
+Y.publish('domready', {
+ fireOnce: true
+});
+
+if (GLOBAL_ENV.DOMReady) {
+ // console.log('DOMReady already fired', 'info', 'event');
+ yready();
+} else {
+ // console.log('setting up before listener', 'info', 'event');
+ // console.log('env: ' + YUI.Env.windowLoaded, 'info', 'event');
+ Y.before(yready, GLOBAL_ENV, "_ready");
+}
+
+})();
+(function() {
+
+/**
+ * Custom event engine, DOM event listener abstraction layer, synthetic DOM
+ * events.
+ * @module event
+ * @submodule event-base
+ */
+
+/**
+ * Wraps a DOM event, properties requiring browser abstraction are
+ * fixed here. Provids a security layer when required.
+ * @class DOMEventFacade
+ * @param ev {Event} the DOM event
+ * @param currentTarget {HTMLElement} the element the listener was attached to
+ * @param wrapper {Event.Custom} the custom event wrapper for this DOM event
+ */
+
+/*
+ * @TODO constants? LEFTBUTTON, MIDDLEBUTTON, RIGHTBUTTON, keys
+ */
+
+/*
+
+var whitelist = {
+ altKey : 1,
+ // "button" : 1, // we supply
+ // "bubbles" : 1, // needed?
+ // "cancelable" : 1, // needed?
+ // "charCode" : 1, // we supply
+ cancelBubble : 1,
+ // "currentTarget" : 1, // we supply
+ ctrlKey : 1,
+ clientX : 1, // needed?
+ clientY : 1, // needed?
+ detail : 1, // not fully implemented
+ // "fromElement" : 1,
+ keyCode : 1,
+ // "height" : 1, // needed?
+ // "initEvent" : 1, // need the init events?
+ // "initMouseEvent" : 1,
+ // "initUIEvent" : 1,
+ // "layerX" : 1, // needed?
+ // "layerY" : 1, // needed?
+ metaKey : 1,
+ // "modifiers" : 1, // needed?
+ // "offsetX" : 1, // needed?
+ // "offsetY" : 1, // needed?
+ // "preventDefault" : 1, // we supply
+ // "reason" : 1, // IE proprietary
+ // "relatedTarget" : 1,
+ // "returnValue" : 1, // needed?
+ shiftKey : 1,
+ // "srcUrn" : 1, // IE proprietary
+ // "srcElement" : 1,
+ // "srcFilter" : 1, IE proprietary
+ // "stopPropagation" : 1, // we supply
+ // "target" : 1,
+ // "timeStamp" : 1, // needed?
+ // "toElement" : 1,
+ type : 1,
+ // "view" : 1,
+ // "which" : 1, // we supply
+ // "width" : 1, // needed?
+ x : 1,
+ y : 1
+},
+
+*/
+
+ var ua = Y.UA,
+
+ /**
+ * webkit key remapping required for Safari < 3.1
+ * @property webkitKeymap
+ * @private
+ */
+ webkitKeymap = {
+ 63232: 38, // up
+ 63233: 40, // down
+ 63234: 37, // left
+ 63235: 39, // right
+ 63276: 33, // page up
+ 63277: 34, // page down
+ 25: 9, // SHIFT-TAB (Safari provides a different key code in
+ // this case, even though the shiftKey modifier is set)
+ 63272: 46, // delete
+ 63273: 36, // home
+ 63275: 35 // end
+ },
+
+ /**
+ * Returns a wrapped node. Intended to be used on event targets,
+ * so it will return the node's parent if the target is a text
+ * node.
+ *
+ * If accessing a property of the node throws an error, this is
+ * probably the anonymous div wrapper Gecko adds inside text
+ * nodes. This likely will only occur when attempting to access
+ * the relatedTarget. In this case, we now return null because
+ * the anonymous div is completely useless and we do not know
+ * what the related target was because we can't even get to
+ * the element's parent node.
+ *
+ * @method resolve
+ * @private
+ */
+ resolve = function(n) {
+ try {
+ if (n && 3 == n.nodeType) {
+ n = n.parentNode;
+ }
+ } catch(e) {
+ return null;
+ }
+
+ return Y.one(n);
+ };
+
+
+// provide a single event with browser abstractions resolved
+//
+// include all properties for both browers?
+// include only DOM2 spec properties?
+// provide browser-specific facade?
+
+Y.DOMEventFacade = function(ev, currentTarget, wrapper) {
+
+ wrapper = wrapper || {};
+
+ var e = ev, ot = currentTarget, d = Y.config.doc, b = d.body,
+ x = e.pageX, y = e.pageY, c, t;
+
+ this.altKey = e.altKey;
+ this.ctrlKey = e.ctrlKey;
+ this.metaKey = e.metaKey;
+ this.shiftKey = e.shiftKey;
+ this.type = e.type;
+ this.clientX = e.clientX;
+ this.clientY = e.clientY;
+
+ //////////////////////////////////////////////////////
+
+ if (!x && 0 !== x) {
+ x = e.clientX || 0;
+ y = e.clientY || 0;
+
+ if (ua.ie) {
+ x += Math.max(d.documentElement.scrollLeft, b.scrollLeft);
+ y += Math.max(d.documentElement.scrollTop, b.scrollTop);
+ }
+ }
+
+ this._yuifacade = true;
+
+ /**
+ * The native event
+ * @property _event
+ */
+ this._event = e;
+
+ /**
+ * The X location of the event on the page (including scroll)
+ * @property pageX
+ * @type int
+ */
+ this.pageX = x;
+
+ /**
+ * The Y location of the event on the page (including scroll)
+ * @property pageY
+ * @type int
+ */
+ this.pageY = y;
+
+ //////////////////////////////////////////////////////
+
+ c = e.keyCode || e.charCode || 0;
+
+ if (ua.webkit && (c in webkitKeymap)) {
+ c = webkitKeymap[c];
+ }
+
+ /**
+ * The keyCode for key events. Uses charCode if keyCode is not available
+ * @property keyCode
+ * @type int
+ */
+ this.keyCode = c;
+
+ /**
+ * The charCode for key events. Same as keyCode
+ * @property charCode
+ * @type int
+ */
+ this.charCode = c;
+
+ //////////////////////////////////////////////////////
+
+ /**
+ * The button that was pushed.
+ * @property button
+ * @type int
+ */
+ this.button = e.which || e.button;
+
+ /**
+ * The button that was pushed. Same as button.
+ * @property which
+ * @type int
+ */
+ this.which = this.button;
+
+ //////////////////////////////////////////////////////
+
+ /**
+ * Node reference for the targeted element
+ * @propery target
+ * @type Node
+ */
+ this.target = resolve(e.target || e.srcElement);
+
+ /**
+ * Node reference for the element that the listener was attached to.
+ * @propery currentTarget
+ * @type Node
+ */
+ this.currentTarget = resolve(ot);
+
+ t = e.relatedTarget;
+
+ if (!t) {
+ if (e.type == "mouseout") {
+ t = e.toElement;
+ } else if (e.type == "mouseover") {
+ t = e.fromElement;
+ }
+ }
+
+ /**
+ * Node reference to the relatedTarget
+ * @propery relatedTarget
+ * @type Node
+ */
+ this.relatedTarget = resolve(t);
+
+ /**
+ * Number representing the direction and velocity of the movement of the mousewheel.
+ * Negative is down, the higher the number, the faster. Applies to the mousewheel event.
+ * @property wheelDelta
+ * @type int
+ */
+ if (e.type == "mousewheel" || e.type == "DOMMouseScroll") {
+ this.wheelDelta = (e.detail) ? (e.detail * -1) : Math.round(e.wheelDelta / 80) || ((e.wheelDelta < 0) ? -1 : 1);
+ }
+
+ //////////////////////////////////////////////////////
+ // methods
+
+ /**
+ * Stops the propagation to the next bubble target
+ * @method stopPropagation
+ */
+ this.stopPropagation = function() {
+ if (e.stopPropagation) {
+ e.stopPropagation();
+ } else {
+ e.cancelBubble = true;
+ }
+ wrapper.stopped = 1;
+ };
+
+ /**
+ * Stops the propagation to the next bubble target and
+ * prevents any additional listeners from being exectued
+ * on the current target.
+ * @method stopImmediatePropagation
+ */
+ this.stopImmediatePropagation = function() {
+ if (e.stopImmediatePropagation) {
+ e.stopImmediatePropagation();
+ } else {
+ this.stopPropagation();
+ }
+ wrapper.stopped = 2;
+ };
+
+ /**
+ * Prevents the event's default behavior
+ * @method preventDefault
+ * @param returnValue {string} sets the returnValue of the event to this value
+ * (rather than the default false value). This can be used to add a customized
+ * confirmation query to the beforeunload event).
+ */
+ this.preventDefault = function(returnValue) {
+ if (e.preventDefault) {
+ e.preventDefault();
+ }
+ e.returnValue = returnValue || false;
+ wrapper.prevented = 1;
+ };
+
+ /**
+ * Stops the event propagation and prevents the default
+ * event behavior.
+ * @method halt
+ * @param immediate {boolean} if true additional listeners
+ * on the current target will not be executed
+ */
+ this.halt = function(immediate) {
+ if (immediate) {
+ this.stopImmediatePropagation();
+ } else {
+ this.stopPropagation();
+ }
+
+ this.preventDefault();
+ };
+
+};
+
+})();
+(function() {
+/**
+ * DOM event listener abstraction layer
+ * @module event
+ * @submodule event-base
+ */
+
+/**
+ * The event utility provides functions to add and remove event listeners,
+ * event cleansing. It also tries to automatically remove listeners it
+ * registers during the unload event.
+ *
+ * @class Event
+ * @static
+ */
+
+Y.Env.evt.dom_wrappers = {};
+Y.Env.evt.dom_map = {};
+
+var _eventenv = Y.Env.evt,
+add = YUI.Env.add,
+remove = YUI.Env.remove,
+
+onLoad = function() {
+ YUI.Env.windowLoaded = true;
+ Y.Event._load();
+ remove(window, "load", onLoad);
+},
+
+onUnload = function() {
+ Y.Event._unload();
+ remove(window, "unload", onUnload);
+},
+
+EVENT_READY = 'domready',
+
+COMPAT_ARG = '~yui|2|compat~',
+
+shouldIterate = function(o) {
+ try {
+ return (o && typeof o !== "string" && Y.Lang.isNumber(o.length) && !o.tagName && !o.alert);
+ } catch(ex) {
+ return false;
+ }
+
+},
+
+Event = function() {
+
+ /**
+ * True after the onload event has fired
+ * @property _loadComplete
+ * @type boolean
+ * @static
+ * @private
+ */
+ var _loadComplete = false,
+
+ /**
+ * The number of times to poll after window.onload. This number is
+ * increased if additional late-bound handlers are requested after
+ * the page load.
+ * @property _retryCount
+ * @static
+ * @private
+ */
+ _retryCount = 0,
+
+ /**
+ * onAvailable listeners
+ * @property _avail
+ * @static
+ * @private
+ */
+ _avail = [],
+
+ /**
+ * Custom event wrappers for DOM events. Key is
+ * 'event:' + Element uid stamp + event type
+ * @property _wrappers
+ * @type Y.Event.Custom
+ * @static
+ * @private
+ */
+ _wrappers = _eventenv.dom_wrappers,
+
+ _windowLoadKey = null,
+
+ /**
+ * Custom event wrapper map DOM events. Key is
+ * Element uid stamp. Each item is a hash of custom event
+ * wrappers as provided in the _wrappers collection. This
+ * provides the infrastructure for getListeners.
+ * @property _el_events
+ * @static
+ * @private
+ */
+ _el_events = _eventenv.dom_map;
+
+ return {
+
+ /**
+ * The number of times we should look for elements that are not
+ * in the DOM at the time the event is requested after the document
+ * has been loaded. The default is 1000@amp;40 ms, so it will poll
+ * for 40 seconds or until all outstanding handlers are bound
+ * (whichever comes first).
+ * @property POLL_RETRYS
+ * @type int
+ * @static
+ * @final
+ */
+ POLL_RETRYS: 1000,
+
+ /**
+ * The poll interval in milliseconds
+ * @property POLL_INTERVAL
+ * @type int
+ * @static
+ * @final
+ */
+ POLL_INTERVAL: 40,
+
+ /**
+ * addListener/removeListener can throw errors in unexpected scenarios.
+ * These errors are suppressed, the method returns false, and this property
+ * is set
+ * @property lastError
+ * @static
+ * @type Error
+ */
+ lastError: null,
+
+
+ /**
+ * poll handle
+ * @property _interval
+ * @static
+ * @private
+ */
+ _interval: null,
+
+ /**
+ * document readystate poll handle
+ * @property _dri
+ * @static
+ * @private
+ */
+ _dri: null,
+
+ /**
+ * True when the document is initially usable
+ * @property DOMReady
+ * @type boolean
+ * @static
+ */
+ DOMReady: false,
+
+ /**
+ * @method startInterval
+ * @static
+ * @private
+ */
+ startInterval: function() {
+ var E = Y.Event;
+
+ if (!E._interval) {
+E._interval = setInterval(Y.bind(E._poll, E), E.POLL_INTERVAL);
+ }
+ },
+
+ /**
+ * Executes the supplied callback when the item with the supplied
+ * id is found. This is meant to be used to execute behavior as
+ * soon as possible as the page loads. If you use this after the
+ * initial page load it will poll for a fixed time for the element.
+ * The number of times it will poll and the frequency are
+ * configurable. By default it will poll for 10 seconds.
+ *
+ * <p>The callback is executed with a single parameter:
+ * the custom object parameter, if provided.</p>
+ *
+ * @method onAvailable
+ *
+ * @param {string||string[]} id the id of the element, or an array
+ * of ids to look for.
+ * @param {function} fn what to execute when the element is found.
+ * @param {object} p_obj an optional object to be passed back as
+ * a parameter to fn.
+ * @param {boolean|object} p_override If set to true, fn will execute
+ * in the context of p_obj, if set to an object it
+ * will execute in the context of that object
+ * @param checkContent {boolean} check child node readiness (onContentReady)
+ * @static
+ * @deprecated Use Y.on("available")
+ */
+ // @TODO fix arguments
+ onAvailable: function(id, fn, p_obj, p_override, checkContent, compat) {
+
+ var a = Y.Array(id), i, availHandle;
+
+
+ for (i=0; i<a.length; i=i+1) {
+ _avail.push({
+ id: a[i],
+ fn: fn,
+ obj: p_obj,
+ override: p_override,
+ checkReady: checkContent,
+ compat: compat
+ });
+ }
+ _retryCount = this.POLL_RETRYS;
+
+ // We want the first test to be immediate, but async
+ setTimeout(Y.bind(Y.Event._poll, Y.Event), 0);
+
+ availHandle = new Y.EventHandle({
+
+ _delete: function() {
+ // set by the event system for lazy DOM listeners
+ if (availHandle.handle) {
+ availHandle.handle.detach();
+ return;
+ }
+
+ var i, j;
+
+ // otherwise try to remove the onAvailable listener(s)
+ for (i = 0; i < a.length; i++) {
+ for (j = 0; j < _avail.length; j++) {
+ if (a[i] === _avail[j].id) {
+ _avail.splice(j, 1);
+ }
+ }
+ }
+ }
+
+ });
+
+ return availHandle;
+ },
+
+ /**
+ * Works the same way as onAvailable, but additionally checks the
+ * state of sibling elements to determine if the content of the
+ * available element is safe to modify.
+ *
+ * <p>The callback is executed with a single parameter:
+ * the custom object parameter, if provided.</p>
+ *
+ * @method onContentReady
+ *
+ * @param {string} id the id of the element to look for.
+ * @param {function} fn what to execute when the element is ready.
+ * @param {object} p_obj an optional object to be passed back as
+ * a parameter to fn.
+ * @param {boolean|object} p_override If set to true, fn will execute
+ * in the context of p_obj. If an object, fn will
+ * exectute in the context of that object
+ *
+ * @static
+ * @deprecated Use Y.on("contentready")
+ */
+ // @TODO fix arguments
+ onContentReady: function(id, fn, p_obj, p_override, compat) {
+ return this.onAvailable(id, fn, p_obj, p_override, true, compat);
+ },
+
+ /**
+ * Adds an event listener
+ *
+ * @method attach
+ *
+ * @param {String} type The type of event to append
+ * @param {Function} fn The method the event invokes
+ * @param {String|HTMLElement|Array|NodeList} el An id, an element
+ * reference, or a collection of ids and/or elements to assign the
+ * listener to.
+ * @param {Object} context optional context object
+ * @param {Boolean|object} args 0..n arguments to pass to the callback
+ * @return {EventHandle} an object to that can be used to detach the listener
+ *
+ * @static
+ */
+
+ attach: function(type, fn, el, context) {
+ return Y.Event._attach(Y.Array(arguments, 0, true));
+ },
+
+ _createWrapper: function (el, type, capture, compat, facade) {
+
+ var ek = Y.stamp(el),
+ key = 'event:' + ek + type,
+ cewrapper;
+
+
+ if (false === facade) {
+ key += 'native';
+ }
+ if (capture) {
+ key += 'capture';
+ }
+
+
+ cewrapper = _wrappers[key];
+
+
+ if (!cewrapper) {
+ // create CE wrapper
+ cewrapper = Y.publish(key, {
+ silent: true,
+ bubbles: false,
+ contextFn: function() {
+ cewrapper.nodeRef = cewrapper.nodeRef || Y.one(cewrapper.el);
+ return cewrapper.nodeRef;
+ }
+ });
+
+ // for later removeListener calls
+ cewrapper.el = el;
+ cewrapper.key = key;
+ cewrapper.domkey = ek;
+ cewrapper.type = type;
+ cewrapper.fn = function(e) {
+ cewrapper.fire(Y.Event.getEvent(e, el, (compat || (false === facade))));
+ };
+ cewrapper.capture = capture;
+
+ if (el == Y.config.win && type == "load") {
+ // window load happens once
+ cewrapper.fireOnce = true;
+ _windowLoadKey = key;
+ }
+
+ _wrappers[key] = cewrapper;
+ _el_events[ek] = _el_events[ek] || {};
+ _el_events[ek][key] = cewrapper;
+
+ add(el, type, cewrapper.fn, capture);
+ }
+
+ return cewrapper;
+
+ },
+
+ _attach: function(args, config) {
+
+ var compat, E=Y.Event,
+ handles, oEl, cewrapper, context,
+ fireNow = false, ret,
+ type = args[0],
+ fn = args[1],
+ el = args[2] || Y.config.win,
+ facade = config && config.facade,
+ capture = config && config.capture;
+
+ if (args[args.length-1] === COMPAT_ARG) {
+ compat = true;
+ // trimmedArgs.pop();
+ }
+
+ if (!fn || !fn.call) {
+// throw new TypeError(type + " attach call failed, callback undefined");
+ return false;
+ }
+
+ // The el argument can be an array of elements or element ids.
+ if (shouldIterate(el)) {
+
+ handles=[];
+
+ Y.each(el, function(v, k) {
+ args[2] = v;
+ handles.push(E._attach(args, config));
+ });
+
+ // return (handles.length === 1) ? handles[0] : handles;
+ return new Y.EventHandle(handles);
+
+ // If the el argument is a string, we assume it is
+ // actually the id of the element. If the page is loaded
+ // we convert el to the actual element, otherwise we
+ // defer attaching the event until the element is
+ // ready
+ } else if (Y.Lang.isString(el)) {
+
+ // oEl = (compat) ? Y.DOM.byId(el) : Y.Selector.query(el);
+
+ if (compat) {
+ oEl = Y.DOM.byId(el);
+ } else {
+
+ oEl = Y.Selector.query(el);
+
+ switch (oEl.length) {
+ case 0:
+ oEl = null;
+ break;
+ case 1:
+ oEl = oEl[0];
+ break;
+ default:
+ args[2] = oEl;
+ return E._attach(args, config);
+ }
+ }
+
+ if (oEl) {
+
+ el = oEl;
+
+ // Not found = defer adding the event until the element is available
+ } else {
+
+ ret = this.onAvailable(el, function() {
+
+ ret.handle = E._attach(args, config);
+
+ }, E, true, false, compat);
+
+ return ret;
+
+ }
+ }
+
+ // Element should be an html element or node
+ if (!el) {
+ return false;
+ }
+
+ if (Y.Node && el instanceof Y.Node) {
+ el = Y.Node.getDOMNode(el);
+ }
+
+ cewrapper = this._createWrapper(el, type, capture, compat, facade);
+
+ if (el == Y.config.win && type == "load") {
+
+ // if the load is complete, fire immediately.
+ // all subscribers, including the current one
+ // will be notified.
+ if (YUI.Env.windowLoaded) {
+ fireNow = true;
+ }
+ }
+
+ if (compat) {
+ args.pop();
+ }
+
+ context = args[3];
+
+ // set context to the Node if not specified
+ // ret = cewrapper.on.apply(cewrapper, trimmedArgs);
+ ret = cewrapper._on(fn, context, (args.length > 4) ? args.slice(4) : null);
+
+ if (fireNow) {
+ cewrapper.fire();
+ }
+
+ return ret;
+
+ },
+
+ /**
+ * Removes an event listener. Supports the signature the event was bound
+ * with, but the preferred way to remove listeners is using the handle
+ * that is returned when using Y.on
+ *
+ * @method detach
+ *
+ * @param {String} type the type of event to remove.
+ * @param {Function} fn the method the event invokes. If fn is
+ * undefined, then all event handlers for the type of event are
+ * removed.
+ * @param {String|HTMLElement|Array|NodeList|EventHandle} el An
+ * event handle, an id, an element reference, or a collection
+ * of ids and/or elements to remove the listener from.
+ * @return {boolean} true if the unbind was successful, false otherwise.
+ * @static
+ */
+ detach: function(type, fn, el, obj) {
+
+ var args=Y.Array(arguments, 0, true), compat, i, l, ok,
+ id, ce;
+
+ if (args[args.length-1] === COMPAT_ARG) {
+ compat = true;
+ // args.pop();
+ }
+
+ if (type && type.detach) {
+ return type.detach();
+ }
+
+ // The el argument can be a string
+ if (typeof el == "string") {
+
+ // el = (compat) ? Y.DOM.byId(el) : Y.all(el);
+ if (compat) {
+ el = Y.DOM.byId(el);
+ } else {
+ el = Y.Selector.query(el);
+ l = el.length;
+ if (l < 1) {
+ el = null;
+ } else if (l == 1) {
+ el = el[0];
+ }
+ }
+ // return Y.Event.detach.apply(Y.Event, args);
+
+ // The el argument can be an array of elements or element ids.
+ }
+
+ if (!el) {
+ return false;
+ }
+
+ if (shouldIterate(el)) {
+
+ ok = true;
+ for (i=0, l=el.length; i<l; ++i) {
+ args[2] = el[i];
+ ok = ( Y.Event.detach.apply(Y.Event, args) && ok );
+ }
+
+ return ok;
+
+ }
+
+ if (!type || !fn || !fn.call) {
+ return this.purgeElement(el, false, type);
+ }
+
+ id = 'event:' + Y.stamp(el) + type;
+ ce = _wrappers[id];
+
+ if (ce) {
+ return ce.detach(fn);
+ } else {
+ return false;
+ }
+
+ },
+
+ /**
+ * Finds the event in the window object, the caller's arguments, or
+ * in the arguments of another method in the callstack. This is
+ * executed automatically for events registered through the event
+ * manager, so the implementer should not normally need to execute
+ * this function at all.
+ * @method getEvent
+ * @param {Event} e the event parameter from the handler
+ * @param {HTMLElement} el the element the listener was attached to
+ * @return {Event} the event
+ * @static
+ */
+ getEvent: function(e, el, noFacade) {
+ var ev = e || window.event;
+
+ return (noFacade) ? ev :
+ new Y.DOMEventFacade(ev, el, _wrappers['event:' + Y.stamp(el) + e.type]);
+ },
+
+ /**
+ * Generates an unique ID for the element if it does not already
+ * have one.
+ * @method generateId
+ * @param el the element to create the id for
+ * @return {string} the resulting id of the element
+ * @static
+ */
+ generateId: function(el) {
+ var id = el.id;
+
+ if (!id) {
+ id = Y.stamp(el);
+ el.id = id;
+ }
+
+ return id;
+ },
+
+ /**
+ * We want to be able to use getElementsByTagName as a collection
+ * to attach a group of events to. Unfortunately, different
+ * browsers return different types of collections. This function
+ * tests to determine if the object is array-like. It will also
+ * fail if the object is an array, but is empty.
+ * @method _isValidCollection
+ * @param o the object to test
+ * @return {boolean} true if the object is array-like and populated
+ * @deprecated was not meant to be used directly
+ * @static
+ * @private
+ */
+ _isValidCollection: shouldIterate,
+
+ /**
+ * hook up any deferred listeners
+ * @method _load
+ * @static
+ * @private
+ */
+ _load: function(e) {
+
+ if (!_loadComplete) {
+
+
+ _loadComplete = true;
+
+ // Just in case DOMReady did not go off for some reason
+ // E._ready();
+ if (Y.fire) {
+ Y.fire(EVENT_READY);
+ }
+
+ // Available elements may not have been detected before the
+ // window load event fires. Try to find them now so that the
+ // the user is more likely to get the onAvailable notifications
+ // before the window load notification
+ Y.Event._poll();
+
+ }
+ },
+
+ /**
+ * Polling function that runs before the onload event fires,
+ * attempting to attach to DOM Nodes as soon as they are
+ * available
+ * @method _poll
+ * @static
+ * @private
+ */
+ _poll: function() {
+
+ if (this.locked) {
+ return;
+ }
+
+ if (Y.UA.ie && !YUI.Env.DOMReady) {
+ // Hold off if DOMReady has not fired and check current
+ // readyState to protect against the IE operation aborted
+ // issue.
+ this.startInterval();
+ return;
+ }
+
+ this.locked = true;
+
+
+ // keep trying until after the page is loaded. We need to
+ // check the page load state prior to trying to bind the
+ // elements so that we can be certain all elements have been
+ // tested appropriately
+ var tryAgain = !_loadComplete, notAvail, executeItem,
+ i, len, item, el;
+
+ if (!tryAgain) {
+ tryAgain = (_retryCount > 0);
+ }
+
+ // onAvailable
+ notAvail = [];
+
+ executeItem = function (el, item) {
+
+ var context, ov = item.override;
+
+ if (item.compat) {
+
+ if (item.override) {
+ if (ov === true) {
+ context = item.obj;
+ } else {
+ context = ov;
+ }
+ } else {
+ context = el;
+ }
+
+ item.fn.call(context, item.obj);
+
+ } else {
+ context = item.obj || Y.one(el);
+ item.fn.apply(context, (Y.Lang.isArray(ov)) ? ov : []);
+ }
+
+ };
+
+
+ // onAvailable
+ for (i=0,len=_avail.length; i<len; ++i) {
+ item = _avail[i];
+ if (item && !item.checkReady) {
+
+ // el = (item.compat) ? Y.DOM.byId(item.id) : Y.one(item.id);
+ el = (item.compat) ? Y.DOM.byId(item.id) : Y.Selector.query(item.id, null, true);
+
+ if (el) {
+ executeItem(el, item);
+ _avail[i] = null;
+ } else {
+ notAvail.push(item);
+ }
+ }
+ }
+
+ // onContentReady
+ for (i=0,len=_avail.length; i<len; ++i) {
+ item = _avail[i];
+ if (item && item.checkReady) {
+
+ // el = (item.compat) ? Y.DOM.byId(item.id) : Y.one(item.id);
+ el = (item.compat) ? Y.DOM.byId(item.id) : Y.Selector.query(item.id, null, true);
+
+ if (el) {
+ // The element is available, but not necessarily ready
+ // @todo should we test parentNode.nextSibling?
+ if (_loadComplete || (el.get && el.get('nextSibling')) || el.nextSibling) {
+ executeItem(el, item);
+ _avail[i] = null;
+ }
+ } else {
+ notAvail.push(item);
+ }
+ }
+ }
+
+ _retryCount = (notAvail.length === 0) ? 0 : _retryCount - 1;
+
+ if (tryAgain) {
+ // we may need to strip the nulled out items here
+ this.startInterval();
+ } else {
+ clearInterval(this._interval);
+ this._interval = null;
+ }
+
+ this.locked = false;
+
+ return;
+
+ },
+
+ /**
+ * Removes all listeners attached to the given element via addListener.
+ * Optionally, the node's children can also be purged.
+ * Optionally, you can specify a specific type of event to remove.
+ * @method purgeElement
+ * @param {HTMLElement} el the element to purge
+ * @param {boolean} recurse recursively purge this element's children
+ * as well. Use with caution.
+ * @param {string} type optional type of listener to purge. If
+ * left out, all listeners will be removed
+ * @static
+ */
+ purgeElement: function(el, recurse, type) {
+ // var oEl = (Y.Lang.isString(el)) ? Y.one(el) : el,
+ var oEl = (Y.Lang.isString(el)) ? Y.Selector.query(el, null, true) : el,
+ lis = this.getListeners(oEl, type), i, len, props;
+ if (lis) {
+ for (i=0,len=lis.length; i<len ; ++i) {
+ props = lis[i];
+ props.detachAll();
+ remove(props.el, props.type, props.fn, props.capture);
+ delete _wrappers[props.key];
+ delete _el_events[props.domkey][props.key];
+ }
+
+ }
+
+ if (recurse && oEl && oEl.childNodes) {
+ for (i=0,len=oEl.childNodes.length; i<len ; ++i) {
+ this.purgeElement(oEl.childNodes[i], recurse, type);
+ }
+ }
+
+ },
+
+ /**
+ * Returns all listeners attached to the given element via addListener.
+ * Optionally, you can specify a specific type of event to return.
+ * @method getListeners
+ * @param el {HTMLElement|string} the element or element id to inspect
+ * @param type {string} optional type of listener to return. If
+ * left out, all listeners will be returned
+ * @return {Y.Custom.Event} the custom event wrapper for the DOM event(s)
+ * @static
+ */
+ getListeners: function(el, type) {
+ var ek = Y.stamp(el, true), evts = _el_events[ek],
+ results=[] , key = (type) ? 'event:' + ek + type : null;
+
+ if (!evts) {
+ return null;
+ }
+
+ if (key) {
+ if (evts[key]) {
+ results.push(evts[key]);
+ }
+
+ // get native events as well
+ key += 'native';
+ if (evts[key]) {
+ results.push(evts[key]);
+ }
+
+ } else {
+ Y.each(evts, function(v, k) {
+ results.push(v);
+ });
+ }
+
+ return (results.length) ? results : null;
+ },
+
+ /**
+ * Removes all listeners registered by pe.event. Called
+ * automatically during the unload event.
+ * @method _unload
+ * @static
+ * @private
+ */
+ _unload: function(e) {
+ Y.each(_wrappers, function(v, k) {
+ v.detachAll();
+ remove(v.el, v.type, v.fn, v.capture);
+ delete _wrappers[k];
+ delete _el_events[v.domkey][k];
+ });
+ },
+
+
+ /**
+ * Adds a DOM event directly without the caching, cleanup, context adj, etc
+ *
+ * @method nativeAdd
+ * @param {HTMLElement} el the element to bind the handler to
+ * @param {string} type the type of event handler
+ * @param {function} fn the callback to invoke
+ * @param {boolen} capture capture or bubble phase
+ * @static
+ * @private
+ */
+ nativeAdd: add,
+
+ /**
+ * Basic remove listener
+ *
+ * @method nativeRemove
+ * @param {HTMLElement} el the element to bind the handler to
+ * @param {string} type the type of event handler
+ * @param {function} fn the callback to invoke
+ * @param {boolen} capture capture or bubble phase
+ * @static
+ * @private
+ */
+ nativeRemove: remove
+ };
+
+}();
+
+Y.Event = Event;
+
+
+if (Y.config.injected || YUI.Env.windowLoaded) {
+ onLoad();
+} else {
+ add(window, "load", onLoad);
+}
+
+// Process onAvailable/onContentReady items when when the DOM is ready in IE
+if (Y.UA.ie) {
+ Y.on(EVENT_READY, Event._poll, Event, true);
+}
+
+Y.on("unload", onUnload);
+
+Event.Custom = Y.CustomEvent;
+Event.Subscriber = Y.Subscriber;
+Event.Target = Y.EventTarget;
+Event.Handle = Y.EventHandle;
+Event.Facade = Y.EventFacade;
+
+Event._poll();
+
+})();
+
+/**
+ * DOM event listener abstraction layer
+ * @module event
+ * @submodule event-base
+ */
+
+/**
+ * Executes the callback as soon as the specified element
+ * is detected in the DOM.
+ * @event available
+ * @param type {string} 'available'
+ * @param fn {function} the callback function to execute.
+ * @param el {string|HTMLElement|collection} the element(s) to attach
+ * @param context optional argument that specifies what 'this' refers to.
+ * @param args* 0..n additional arguments to pass on to the callback function.
+ * These arguments will be added after the event object.
+ * @return {EventHandle} the detach handle
+ * @for YUI
+ */
+Y.Env.evt.plugins.available = {
+ on: function(type, fn, id, o) {
+ var a = arguments.length > 4 ? Y.Array(arguments, 4, true) : [];
+ return Y.Event.onAvailable.call(Y.Event, id, fn, o, a);
+ }
+};
+
+/**
+ * Executes the callback as soon as the specified element
+ * is detected in the DOM with a nextSibling property
+ * (indicating that the element's children are available)
+ * @event contentready
+ * @param type {string} 'contentready'
+ * @param fn {function} the callback function to execute.
+ * @param el {string|HTMLElement|collection} the element(s) to attach
+ * @param context optional argument that specifies what 'this' refers to.
+ * @param args* 0..n additional arguments to pass on to the callback function.
+ * These arguments will be added after the event object.
+ * @return {EventHandle} the detach handle
+ * @for YUI
+ */
+Y.Env.evt.plugins.contentready = {
+ on: function(type, fn, id, o) {
+ var a = arguments.length > 4 ? Y.Array(arguments, 4, true) : [];
+ return Y.Event.onContentReady.call(Y.Event, id, fn, o, a);
+ }
+};
+
+
+}, '3.0.0' ,{requires:['event-custom-base']});
+YUI.add('event-delegate', function(Y) {
+
+/**
+ * Adds event delegation support to the library.
+ *
+ * @module event
+ * @submodule event-delegate
+ */
+
+var Event = Y.Event,
+ Lang = Y.Lang,
+
+ delegates = {},
+
+ specialTypes = {
+ mouseenter: "mouseover",
+ mouseleave: "mouseout"
+ },
+
+ resolveTextNode = function(n) {
+ try {
+ if (n && 3 == n.nodeType) {
+ return n.parentNode;
+ }
+ } catch(e) { }
+ return n;
+ },
+
+ delegateHandler = function(delegateKey, e, el) {
+
+ var target = resolveTextNode((e.target || e.srcElement)),
+ tests = delegates[delegateKey],
+ spec,
+ ename,
+ matched,
+ fn,
+ ev;
+
+
+ var getMatch = function(el, selector, container) {
+
+ var returnVal;
+
+ if (!el || el === container) {
+ returnVal = false;
+ }
+ else {
+ returnVal = Y.Selector.test(el, selector) ? el: getMatch(el.parentNode, selector, container);
+ }
+
+ return returnVal;
+
+ };
+
+
+ for (spec in tests) {
+
+ if (tests.hasOwnProperty(spec)) {
+
+ ename = tests[spec];
+ fn = tests.fn;
+ matched = null;
+
+
+ if (Y.Selector.test(target, spec, el)) {
+ matched = target;
+ }
+ else if (Y.Selector.test(target, ((spec.replace(/,/gi, " *,")) + " *"), el)) {
+
+ // The target is a descendant of an element matching
+ // the selector, so crawl up to find the ancestor that
+ // matches the selector
+
+ matched = getMatch(target, spec, el);
+
+ }
+
+
+ if (matched) {
+
+ if (!ev) {
+ ev = new Y.DOMEventFacade(e, el);
+ ev.container = ev.currentTarget;
+ }
+
+ ev.currentTarget = Y.Node.get(matched);
+
+ Y.publish(ename, {
+ contextFn: function() {
+ return ev.currentTarget;
+ }
+ });
+
+ if (fn) {
+ fn(ev, ename);
+ }
+ else {
+ Y.fire(ename, ev);
+ }
+
+ }
+
+ }
+ }
+
+ },
+
+ attach = function (type, key, element) {
+
+ var focusMethods = {
+ focus: Event._attachFocus,
+ blur: Event._attachBlur
+ },
+
+ attachFn = focusMethods[type],
+
+ args = [type,
+ function (e) {
+ delegateHandler(key, (e || window.event), element);
+ },
+ element];
+
+
+ if (attachFn) {
+ return attachFn(args, { capture: true, facade: false });
+ }
+ else {
+ return Event._attach(args, { facade: false });
+ }
+
+ },
+
+ sanitize = Y.cached(function(str) {
+ return str.replace(/[|,:]/g, '~');
+ });
+
+/**
+ * Sets up event delegation on a container element. The delegated event
+ * will use a supplied selector to test if the target or one of the
+ * descendants of the target match it. The supplied callback function
+ * will only be executed if a match was encountered, and, in fact,
+ * will be executed for each element that matches if you supply an
+ * ambiguous selector.
+ *
+ * The event object for the delegated event is supplied to the callback
+ * function. It is modified slightly in order to support all properties
+ * that may be needed for event delegation. 'currentTarget' is set to
+ * the element that matched the delegation specifcation. 'container' is
+ * set to the element that the listener is bound to (this normally would
+ * be the 'currentTarget').
+ *
+ * @event delegate
+ * @param type {string} 'delegate'
+ * @param fn {function} the callback function to execute. This function
+ * will be provided the event object for the delegated event.
+ * @param el {string|node} the element that is the delegation container
+ * @param delegateType {string} the event type to delegate
+ * @param spec {string} a selector that must match the target of the
+ * event.
+ * @param context optional argument that specifies what 'this' refers to.
+ * @param args* 0..n additional arguments to pass on to the callback function.
+ * These arguments will be added after the event object.
+ * @return {EventHandle} the detach handle
+ * @for YUI
+ * @deprecated use Y.delegate
+ */
+Y.Env.evt.plugins.delegate = {
+
+ on: function(type, fn, el, delegateType, spec) {
+
+
+ var args = Y.Array(arguments, 0, true);
+
+ args.splice(3, 1);
+
+ args[0] = delegateType;
+
+ return Y.delegate.apply(Y, args);
+
+ }
+
+};
+
+
+/**
+ * Sets up event delegation on a container element. The delegated event
+ * will use a supplied selector to test if the target or one of the
+ * descendants of the target match it. The supplied callback function
+ * will only be executed if a match was encountered, and, in fact,
+ * will be executed for each element that matches if you supply an
+ * ambiguous selector.
+ *
+ * The event object for the delegated event is supplied to the callback
+ * function. It is modified slightly in order to support all properties
+ * that may be needed for event delegation. 'currentTarget' is set to
+ * the element that matched the delegation specifcation. 'container' is
+ * set to the element that the listener is bound to (this normally would
+ * be the 'currentTarget').
+ *
+ * @method delegate
+ * @param type {string} the event type to delegate
+ * @param fn {function} the callback function to execute. This function
+ * will be provided the event object for the delegated event.
+ * @param el {string|node} the element that is the delegation container
+ * @param spec {string} a selector that must match the target of the
+ * event.
+ * @param context optional argument that specifies what 'this' refers to.
+ * @param args* 0..n additional arguments to pass on to the callback function.
+ * These arguments will be added after the event object.
+ * @return {EventHandle} the detach handle
+ * @for YUI
+ */
+Event.delegate = function (type, fn, el, spec) {
+
+ if (!spec) {
+ return false;
+ }
+
+
+ var args = Y.Array(arguments, 0, true),
+ element = el, // HTML element serving as the delegation container
+ availHandle;
+
+
+ if (Lang.isString(el)) {
+
+ // Y.Selector.query returns an array of matches unless specified
+ // to return just the first match. Since the primary use case for
+ // event delegation is to use a single event handler on a container,
+ // Y.delegate doesn't currently support being able to bind a
+ // single listener to multiple containers.
+
+ element = Y.Selector.query(el, null, true);
+
+ if (!element) { // Not found, check using onAvailable
+
+ availHandle = Event.onAvailable(el, function() {
+
+ availHandle.handle = Event.delegate.apply(Event, args);
+
+ }, Event, true, false);
+
+ return availHandle;
+
+ }
+
+ }
+
+
+ element = Y.Node.getDOMNode(element);
+
+
+ var guid = Y.stamp(element),
+
+ // The Custom Event for the delegation spec
+ ename = 'delegate:' + guid + type + sanitize(spec),
+
+ // The key to the listener for the event type and container
+ delegateKey = type + guid,
+
+ delegate = delegates[delegateKey],
+
+ domEventHandle,
+
+ ceHandle,
+
+ listeners;
+
+
+ if (!delegate) {
+
+ delegate = {};
+
+ if (specialTypes[type]) {
+
+ if (!Event._fireMouseEnter) {
+ return false;
+ }
+
+ type = specialTypes[type];
+ delegate.fn = Event._fireMouseEnter;
+
+ }
+
+ // Create the DOM Event wrapper that will fire the Custom Event
+
+ domEventHandle = attach(type, delegateKey, element);
+
+
+ // Hook into the _delete method for the Custom Event wrapper of this
+ // DOM Event in order to clean up the 'delegates' map and unsubscribe
+ // the associated Custom Event listeners fired by this DOM event
+ // listener if/when the user calls "purgeElement" OR removes all
+ // listeners of the Custom Event.
+
+ Y.after(function (sub) {
+
+ if (domEventHandle.sub == sub) {
+
+ // Delete this event from the map of known delegates
+ delete delegates[delegateKey];
+
+
+ // Unsubscribe all listeners of the Custom Event fired
+ // by this DOM event.
+ Y.detachAll(ename);
+
+ }
+
+ }, domEventHandle.evt, "_delete");
+
+ delegate.handle = domEventHandle;
+
+ delegates[delegateKey] = delegate;
+
+ }
+
+
+ listeners = delegate.listeners;
+
+ delegate.listeners = listeners ? (listeners + 1) : 1;
+ delegate[spec] = ename;
+
+
+ args[0] = ename;
+
+ // Remove element, delegation spec
+ args.splice(2, 2);
+
+
+ // Subscribe to the Custom Event for the delegation spec
+
+ ceHandle = Y.on.apply(Y, args);
+
+
+ // Hook into the detach method of the handle in order to clean up the
+ // 'delegates' map and remove the associated DOM event handler
+ // responsible for firing this Custom Event if all listener for this
+ // event have been removed.
+
+ Y.after(function () {
+
+ delegate.listeners = (delegate.listeners - 1);
+
+ if (delegate.listeners === 0) {
+ delegate.handle.detach();
+ }
+
+ }, ceHandle, "detach");
+
+ return ceHandle;
+
+};
+
+Y.delegate = Event.delegate;
+
+
+}, '3.0.0' ,{requires:['node-base']});
+YUI.add('event-mousewheel', function(Y) {
+
+/**
+ * Adds mousewheel event support
+ * @module event
+ * @submodule event-mousewheel
+ */
+var DOM_MOUSE_SCROLL = 'DOMMouseScroll',
+ fixArgs = function(args) {
+ var a = Y.Array(args, 0, true), target;
+ if (Y.UA.gecko) {
+ a[0] = DOM_MOUSE_SCROLL;
+ target = Y.config.win;
+ } else {
+ target = Y.config.doc;
+ }
+
+ if (a.length < 3) {
+ a[2] = target;
+ } else {
+ a.splice(2, 0, target);
+ }
+
+ return a;
+ };
+
+/**
+ * Mousewheel event. This listener is automatically attached to the
+ * correct target, so one should not be supplied. Mouse wheel
+ * direction and velocity is stored in the 'mouseDelta' field.
+ * @event mousewheel
+ * @param type {string} 'mousewheel'
+ * @param fn {function} the callback to execute
+ * @param context optional context object
+ * @param args 0..n additional arguments to provide to the listener.
+ * @return {EventHandle} the detach handle
+ * @for YUI
+ */
+Y.Env.evt.plugins.mousewheel = {
+ on: function() {
+ return Y.Event._attach(fixArgs(arguments));
+ },
+
+ detach: function() {
+ return Y.Event.detach.apply(Y.Event, fixArgs(arguments));
+ }
+};
+
+
+}, '3.0.0' ,{requires:['node-base']});
+YUI.add('event-mouseenter', function(Y) {
+
+/**
+ * Adds support for mouseenter/mouseleave events
+ * @module event
+ * @submodule event-mouseenter
+ */
+var Event = Y.Event,
+ Lang = Y.Lang,
+
+ plugins = Y.Env.evt.plugins,
+
+ listeners = {},
+
+ eventConfig = {
+
+ on: function(type, fn, el) {
+
+ var args = Y.Array(arguments, 0, true),
+ element = el,
+ availHandle;
+
+
+ if (Lang.isString(el)) {
+
+ // Need to use Y.all because if el is a string it could be a
+ // selector that returns a NodeList
+
+ element = Y.all(el);
+
+ if (element.size() === 0) { // Not found, check using onAvailable
+
+ availHandle = Event.onAvailable(el, function() {
+
+ availHandle.handle = Y.on.apply(Y, args);
+
+ }, Event, true, false);
+
+ return availHandle;
+
+ }
+
+ }
+
+
+ var sDOMEvent = (type === "mouseenter") ? "mouseover" : "mouseout",
+
+ // The name of the custom event
+ sEventName = type + ":" + Y.stamp(element) + sDOMEvent,
+
+ listener = listeners[sEventName],
+
+ domEventHandle,
+
+ ceHandle,
+
+ nListeners;
+
+
+ // Bind an actual DOM event listener that will call the
+ // the custom event
+ if (!listener) {
+
+ domEventHandle = Y.on(sDOMEvent, Y.rbind(Event._fireMouseEnter, Y, sEventName), element);
+
+ // Hook into the _delete method for the Custom Event wrapper of this
+ // DOM Event in order to clean up the 'listeners' map and unsubscribe
+ // the associated Custom Event listeners fired by this DOM event
+ // listener if/when the user calls "purgeElement" OR removes all
+ // listeners of the Custom Event.
+
+ Y.after(function (sub) {
+
+ if (domEventHandle.sub == sub) {
+
+ // Delete this event from the map of known mouseenter
+ // and mouseleave listeners
+ delete listeners[sEventName];
+
+
+ // Unsubscribe all listeners of the Custom Event fired
+ // by this DOM event.
+ Y.detachAll(sEventName);
+
+ }
+
+ }, domEventHandle.evt, "_delete");
+
+
+ listener = {};
+ listener.handle = domEventHandle;
+
+ listeners[sEventName] = listener;
+
+ }
+
+ nListeners = listener.count;
+
+ listener.count = nListeners ? (nListeners + 1) : 1;
+
+ args[0] = sEventName;
+
+ // Remove the element from the args
+ args.splice(2, 1);
+
+ // Subscribe to the custom event
+ ceHandle = Y.on.apply(Y, args);
+
+ // Hook into the detach method of the handle in order to clean up the
+ // 'listeners' map and remove the associated DOM event handler
+ // responsible for firing this Custom Event if all listener for this
+ // event have been removed.
+
+ Y.after(function () {
+
+ listener.count = (listener.count - 1);
+
+ if (listener.count === 0) {
+ listener.handle.detach();
+ }
+
+ }, ceHandle, "detach");
+
+
+ return ceHandle;
+
+ }
+
+ };
+
+
+Event._fireMouseEnter = function (e, eventName) {
+
+ var relatedTarget = e.relatedTarget,
+ currentTarget = e.currentTarget;
+
+ if (currentTarget !== relatedTarget &&
+ !currentTarget.contains(relatedTarget)) {
+
+ Y.publish(eventName, {
+ contextFn: function() {
+ return currentTarget;
+ }
+ });
+
+ Y.fire(eventName, e);
+
+ }
+
+};
+
+
+/**
+ * Sets up a "mouseenter" listener—a listener that is called the first time
+ * the user's mouse enters the specified element(s).
+ *
+ * @event mouseenter
+ * @param type {string} "mouseenter"
+ * @param fn {function} The method the event invokes.
+ * @param el {string|node} The element(s) to assign the listener to.
+ * @param spec {string} Optional. String representing a selector that must
+ * match the target of the event in order for the listener to be called.
+ * @return {EventHandle} the detach handle
+ * @for YUI
+ */
+plugins.mouseenter = eventConfig;
+
+/**
+* Sets up a "mouseleave" listener—a listener that is called the first time
+* the user's mouse leaves the specified element(s).
+*
+* @event mouseleave
+* @param type {string} "mouseleave"
+* @param fn {function} The method the event invokes.
+* @param el {string|node} The element(s) to assign the listener to.
+* @param spec {string} Optional. String representing a selector that must
+* match the target of the event in order for the listener to be called.
+* @return {EventHandle} the detach handle
+* @for YUI
+ */
+plugins.mouseleave = eventConfig;
+
+
+}, '3.0.0' ,{requires:['node-base']});
+YUI.add('event-key', function(Y) {
+
+/**
+ * Functionality to listen for one or more specific key combinations.
+ * @module event
+ * @submodule event-key
+ */
+
+/**
+ * Add a key listener. The listener will only be notified if the
+ * keystroke detected meets the supplied specification. The
+ * spec consists of the key event type, followed by a colon,
+ * followed by zero or more comma separated key codes, followed
+ * by zero or more modifiers delimited by a plus sign. Ex:
+ * press:12,65+shift+ctrl
+ * @event key
+ * @for YUI
+ * @param type {string} 'key'
+ * @param fn {function} the function to execute
+ * @param id {string|HTMLElement|collection} the element(s) to bind
+ * @param spec {string} the keyCode and modifier specification
+ * @param o optional context object
+ * @param args 0..n additional arguments to provide to the listener.
+ * @return {Event.Handle} the detach handle
+ */
+Y.Env.evt.plugins.key = {
+
+ on: function(type, fn, id, spec, o) {
+ var a = Y.Array(arguments, 0, true), parsed, etype, criteria, ename;
+
+ parsed = spec && spec.split(':');
+
+ if (!spec || spec.indexOf(':') == -1 || !parsed[1]) {
+ a[0] = 'key' + ((parsed && parsed[0]) || 'press');
+ return Y.on.apply(Y, a);
+ }
+
+ // key event type: 'down', 'up', or 'press'
+ etype = parsed[0];
+
+ // list of key codes optionally followed by modifiers
+ criteria = (parsed[1]) ? parsed[1].split(/,|\+/) : null;
+
+ // the name of the custom event that will be created for the spec
+ ename = (Y.Lang.isString(id) ? id : Y.stamp(id)) + spec;
+
+ ename = ename.replace(/,/g, '_');
+
+ if (!Y.getEvent(ename)) {
+
+ // subscribe spec validator to the DOM event
+ Y.on(type + etype, function(e) {
+
+
+ var passed = false, failed = false, i, crit, critInt;
+
+ for (i=0; i<criteria.length; i=i+1) {
+ crit = criteria[i];
+ critInt = parseInt(crit, 10);
+
+ // pass this section if any supplied keyCode
+ // is found
+ if (Y.Lang.isNumber(critInt)) {
+
+ if (e.charCode === critInt) {
+ passed = true;
+ } else {
+ failed = true;
+ }
+
+ // only check modifier if no keyCode was specified
+ // or the keyCode check was successful. pass only
+ // if every modifier passes
+ } else if (passed || !failed) {
+ passed = (e[crit + 'Key']);
+ failed = !passed;
+ }
+ }
+
+ // fire spec custom event if spec if met
+ if (passed) {
+ Y.fire(ename, e);
+ }
+
+ }, id);
+
+ }
+
+ // subscribe supplied listener to custom event for spec validator
+ // remove element and spec.
+ a.splice(2, 2);
+ a[0] = ename;
+
+ return Y.on.apply(Y, a);
+ }
+};
+
+
+}, '3.0.0' ,{requires:['node-base']});
+YUI.add('event-focus', function(Y) {
+
+/**
+ * Adds focus and blur event listener support. These events normally
+ * do not bubble, so this adds support for that so these events
+ * can be used in event delegation scenarios.
+ *
+ * @module event
+ * @submodule event-focus
+ */
+(function() {
+
+var UA = Y.UA,
+ Event = Y.Event,
+ plugins = Y.Env.evt.plugins,
+ ie = UA.ie,
+ bUseMutation = (UA.opera || UA.webkit),
+ eventNames = {
+ focus: (ie ? 'focusin' : (bUseMutation ? 'DOMFocusIn' : 'focus')),
+ blur: (ie ? 'focusout' : (bUseMutation ? 'DOMFocusOut' : 'blur'))
+ },
+
+ // Only need to use capture phase for Gecko since it doesn't support
+ // focusin, focusout, DOMFocusIn, or DOMFocusOut
+ CAPTURE_CONFIG = { capture: (UA.gecko ? true : false) },
+
+
+ attach = function (args, config) {
+
+ var a = Y.Array(args, 0, true);
+ a[0] = eventNames[a[0]];
+ return Event._attach(a, config);
+
+ },
+
+ eventAdapter = {
+
+ on: function () {
+ return attach(arguments, CAPTURE_CONFIG);
+ }
+
+ };
+
+
+Event._attachFocus = attach;
+Event._attachBlur = attach;
+
+/**
+ * Adds a DOM focus listener. Uses the focusin event in IE,
+ * DOMFocusIn for Opera and Webkit, and the capture phase for Gecko so that
+ * the event propagates in a way that enables event delegation.
+ *
+ * @for YUI
+ * @event focus
+ * @param type {string} 'focus'
+ * @param fn {function} the callback function to execute
+ * @param o {string|HTMLElement|collection} the element(s) to bind
+ * @param context optional context object
+ * @param args 0..n additional arguments to provide to the listener.
+ * @return {EventHandle} the detach handle
+ */
+plugins.focus = eventAdapter;
+
+/**
+ * Adds a DOM blur listener. Uses the focusout event in IE,
+ * DOMFocusOut for Opera and Webkit, and the capture phase for Gecko so that
+ * the event propagates in a way that enables event delegation.
+ *
+ * @for YUI
+ * @event blur
+ * @param type {string} 'blur'
+ * @param fn {function} the callback function to execute
+ * @param o {string|HTMLElement|collection} the element(s) to bind
+ * @param context optional context object
+ * @param args 0..n additional arguments to provide to the listener.
+ * @return {EventHandle} the detach handle
+ */
+plugins.blur = eventAdapter;
+
+})();
+
+
+}, '3.0.0' ,{requires:['node-base']});
+YUI.add('event-resize', function(Y) {
+
+/**
+ * Adds a window resize event that has its behavior normalized to fire at the
+ * end of the resize rather than constantly during the resize.
+ * @module event
+ * @submodule event-resize
+ */
+(function() {
+
+var detachHandle,
+
+ timerHandle,
+
+ CE_NAME = 'window:resize',
+
+ handler = function(e) {
+
+ if (Y.UA.gecko) {
+
+ Y.fire(CE_NAME, e);
+
+ } else {
+
+ if (timerHandle) {
+ timerHandle.cancel();
+ }
+
+ timerHandle = Y.later(Y.config.windowResizeDelay || 40, Y, function() {
+ Y.fire(CE_NAME, e);
+ });
+ }
+
+ };
+
+
+/**
+ * Firefox fires the window resize event once when the resize action
+ * finishes, other browsers fire the event periodically during the
+ * resize. This code uses timeout logic to simulate the Firefox
+ * behavior in other browsers.
+ * @event windowresize
+ * @for YUI
+ */
+Y.Env.evt.plugins.windowresize = {
+
+ on: function(type, fn) {
+
+ // check for single window listener and add if needed
+ if (!detachHandle) {
+ detachHandle = Y.Event._attach(['resize', handler]);
+ }
+
+ var a = Y.Array(arguments, 0, true);
+ a[0] = CE_NAME;
+
+ return Y.on.apply(Y, a);
+ }
+};
+
+})();
+
+
+}, '3.0.0' ,{requires:['node-base']});
+
+
+YUI.add('event', function(Y){}, '3.0.0' ,{use:['event-base', 'event-delegate', 'event-mousewheel', 'event-mouseenter', 'event-key', 'event-focus', 'event-resize']});
+