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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html xmlns:yui="http://yuilibrary.com/rdf/1.0/yui.rdf#">
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<title>API: event Event.js (YUI Library)</title>
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<h1><a href="http://developer.yahoo.com/yui/" title="Yahoo! UI Library">Yahoo! UI Library</a></h1>
<h3>Event Utility&nbsp; <span class="subtitle">2.8.2r1</span></h3>
<a href="./index.html" title="Yahoo! UI Library">Yahoo! UI Library</a>
&gt; <a href="./module_event.html" title="event">event</a>
&gt; Event.js (source view)
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<div class="highlight"><pre><span class="cm">/**</span>
<span class="cm"> * The Event Utility provides utilities for managing DOM Events and tools</span>
<span class="cm"> * for building event systems</span>
<span class="cm"> *</span>
<span class="cm"> * @module event</span>
<span class="cm"> * @title Event Utility</span>
<span class="cm"> * @namespace YAHOO.util</span>
<span class="cm"> * @requires yahoo</span>
<span class="cm"> */</span>
<span class="c1">// The first instance of Event will win if it is loaded more than once.</span>
<span class="c1">// @TODO this needs to be changed so that only the state data that needs to</span>
<span class="c1">// be preserved is kept, while methods are overwritten/added as needed.</span>
<span class="c1">// This means that the module pattern can&#39;t be used.</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span><span class="p">)</span> <span class="p">{</span>
<span class="cm">/**</span>
<span class="cm"> * The event utility provides functions to add and remove event listeners,</span>
<span class="cm"> * event cleansing. It also tries to automatically remove listeners it</span>
<span class="cm"> * registers during the unload event.</span>
<span class="cm"> *</span>
<span class="cm"> * @class Event</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span> <span class="o">=</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="cm">/**</span>
<span class="cm"> * True after the onload event has fired</span>
<span class="cm"> * @property loadComplete</span>
<span class="cm"> * @type boolean</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="kd">var</span> <span class="nx">loadComplete</span> <span class="o">=</span> <span class="kc">false</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Cache of wrapped listeners</span>
<span class="cm"> * @property listeners</span>
<span class="cm"> * @type array</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">listeners</span> <span class="o">=</span> <span class="p">[],</span>
<span class="cm">/**</span>
<span class="cm"> * User-defined unload function that will be fired before all events</span>
<span class="cm"> * are detached</span>
<span class="cm"> * @property unloadListeners</span>
<span class="cm"> * @type array</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">unloadListeners</span> <span class="o">=</span> <span class="p">[],</span>
<span class="cm">/**</span>
<span class="cm"> * The number of times to poll after window.onload. This number is</span>
<span class="cm"> * increased if additional late-bound handlers are requested after</span>
<span class="cm"> * the page load.</span>
<span class="cm"> * @property retryCount</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">retryCount</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * onAvailable listeners</span>
<span class="cm"> * @property onAvailStack</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">onAvailStack</span> <span class="o">=</span> <span class="p">[],</span>
<span class="cm">/**</span>
<span class="cm"> * Counter for auto id generation</span>
<span class="cm"> * @property counter</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">counter</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Normalized keycodes for webkit/safari</span>
<span class="cm"> * @property webkitKeymap</span>
<span class="cm"> * @type {int: int}</span>
<span class="cm"> * @private</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">webkitKeymap</span> <span class="o">=</span> <span class="p">{</span>
<span class="mi">63232</span><span class="o">:</span> <span class="mi">38</span><span class="p">,</span> <span class="c1">// up</span>
<span class="mi">63233</span><span class="o">:</span> <span class="mi">40</span><span class="p">,</span> <span class="c1">// down</span>
<span class="mi">63234</span><span class="o">:</span> <span class="mi">37</span><span class="p">,</span> <span class="c1">// left</span>
<span class="mi">63235</span><span class="o">:</span> <span class="mi">39</span><span class="p">,</span> <span class="c1">// right</span>
<span class="mi">63276</span><span class="o">:</span> <span class="mi">33</span><span class="p">,</span> <span class="c1">// page up</span>
<span class="mi">63277</span><span class="o">:</span> <span class="mi">34</span><span class="p">,</span> <span class="c1">// page down</span>
<span class="mi">25</span><span class="o">:</span> <span class="mi">9</span> <span class="c1">// SHIFT-TAB (Safari provides a different key code in</span>
<span class="c1">// this case, even though the shiftKey modifier is set)</span>
<span class="p">},</span>
<span class="nx">isIE</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">ua</span><span class="p">.</span><span class="nx">ie</span><span class="p">,</span>
<span class="c1">// String constants used by the addFocusListener and removeFocusListener methods</span>
<span class="nx">FOCUSIN</span> <span class="o">=</span> <span class="s2">&quot;focusin&quot;</span><span class="p">,</span>
<span class="nx">FOCUSOUT</span> <span class="o">=</span> <span class="s2">&quot;focusout&quot;</span><span class="p">;</span>
<span class="k">return</span> <span class="p">{</span>
<span class="cm">/**</span>
<span class="cm"> * The number of times we should look for elements that are not</span>
<span class="cm"> * in the DOM at the time the event is requested after the document</span>
<span class="cm"> * has been loaded. The default is 500@amp;40 ms, so it will poll</span>
<span class="cm"> * for 20 seconds or until all outstanding handlers are bound</span>
<span class="cm"> * (whichever comes first).</span>
<span class="cm"> * @property POLL_RETRYS</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">POLL_RETRYS</span><span class="o">:</span> <span class="mi">500</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * The poll interval in milliseconds</span>
<span class="cm"> * @property POLL_INTERVAL</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">POLL_INTERVAL</span><span class="o">:</span> <span class="mi">40</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Element to bind, int constant</span>
<span class="cm"> * @property EL</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">EL</span><span class="o">:</span> <span class="mi">0</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Type of event, int constant</span>
<span class="cm"> * @property TYPE</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">TYPE</span><span class="o">:</span> <span class="mi">1</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Function to execute, int constant</span>
<span class="cm"> * @property FN</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">FN</span><span class="o">:</span> <span class="mi">2</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Function wrapped for context correction and cleanup, int constant</span>
<span class="cm"> * @property WFN</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">WFN</span><span class="o">:</span> <span class="mi">3</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Object passed in by the user that will be returned as a </span>
<span class="cm"> * parameter to the callback, int constant. Specific to</span>
<span class="cm"> * unload listeners</span>
<span class="cm"> * @property OBJ</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">UNLOAD_OBJ</span><span class="o">:</span> <span class="mi">3</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Adjusted context, either the element we are registering the event</span>
<span class="cm"> * on or the custom object passed in by the listener, int constant</span>
<span class="cm"> * @property ADJ_SCOPE</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">ADJ_SCOPE</span><span class="o">:</span> <span class="mi">4</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * The original obj passed into addListener</span>
<span class="cm"> * @property OBJ</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">OBJ</span><span class="o">:</span> <span class="mi">5</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * The original context parameter passed into addListener</span>
<span class="cm"> * @property OVERRIDE</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">OVERRIDE</span><span class="o">:</span> <span class="mi">6</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * The original capture parameter passed into addListener</span>
<span class="cm"> * @property CAPTURE</span>
<span class="cm"> * @type int</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> */</span>
<span class="nx">CAPTURE</span><span class="o">:</span> <span class="mi">7</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * addListener/removeListener can throw errors in unexpected scenarios.</span>
<span class="cm"> * These errors are suppressed, the method returns false, and this property</span>
<span class="cm"> * is set</span>
<span class="cm"> * @property lastError</span>
<span class="cm"> * @static</span>
<span class="cm"> * @type Error</span>
<span class="cm"> */</span>
<span class="nx">lastError</span><span class="o">:</span> <span class="kc">null</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Safari detection</span>
<span class="cm"> * @property isSafari</span>
<span class="cm"> * @private</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated use YAHOO.env.ua.webkit</span>
<span class="cm"> */</span>
<span class="nx">isSafari</span><span class="o">:</span> <span class="nx">YAHOO</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">ua</span><span class="p">.</span><span class="nx">webkit</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * webkit version</span>
<span class="cm"> * @property webkit</span>
<span class="cm"> * @type string</span>
<span class="cm"> * @private</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated use YAHOO.env.ua.webkit</span>
<span class="cm"> */</span>
<span class="nx">webkit</span><span class="o">:</span> <span class="nx">YAHOO</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">ua</span><span class="p">.</span><span class="nx">webkit</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * IE detection </span>
<span class="cm"> * @property isIE</span>
<span class="cm"> * @private</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated use YAHOO.env.ua.ie</span>
<span class="cm"> */</span>
<span class="nx">isIE</span><span class="o">:</span> <span class="nx">isIE</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * poll handle</span>
<span class="cm"> * @property _interval</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_interval</span><span class="o">:</span> <span class="kc">null</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * document readystate poll handle</span>
<span class="cm"> * @property _dri</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_dri</span><span class="o">:</span> <span class="kc">null</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Map of special event types</span>
<span class="cm"> * @property _specialTypes</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_specialTypes</span><span class="o">:</span> <span class="p">{</span>
<span class="nx">focusin</span><span class="o">:</span> <span class="p">(</span><span class="nx">isIE</span> <span class="o">?</span> <span class="s2">&quot;focusin&quot;</span> <span class="o">:</span> <span class="s2">&quot;focus&quot;</span><span class="p">),</span>
<span class="nx">focusout</span><span class="o">:</span> <span class="p">(</span><span class="nx">isIE</span> <span class="o">?</span> <span class="s2">&quot;focusout&quot;</span> <span class="o">:</span> <span class="s2">&quot;blur&quot;</span><span class="p">)</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * True when the document is initially usable</span>
<span class="cm"> * @property DOMReady</span>
<span class="cm"> * @type boolean</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">DOMReady</span><span class="o">:</span> <span class="kc">false</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * Errors thrown by subscribers of custom events are caught</span>
<span class="cm"> * and the error message is written to the debug console. If</span>
<span class="cm"> * this property is set to true, it will also re-throw the</span>
<span class="cm"> * error.</span>
<span class="cm"> * @property throwErrors</span>
<span class="cm"> * @type boolean</span>
<span class="cm"> * @default false</span>
<span class="cm"> */</span>
<span class="nx">throwErrors</span><span class="o">:</span> <span class="kc">false</span><span class="p">,</span>
<span class="cm">/**</span>
<span class="cm"> * @method startInterval</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">startInterval</span><span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="k">this</span><span class="p">.</span><span class="nx">_interval</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">// var self = this;</span>
<span class="c1">// var callback = function() { self._tryPreloadAttach(); };</span>
<span class="c1">// this._interval = setInterval(callback, this.POLL_INTERVAL);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">_interval</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="p">.</span><span class="nx">lang</span><span class="p">.</span><span class="nx">later</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">POLL_INTERVAL</span><span class="p">,</span> <span class="k">this</span><span class="p">,</span> <span class="k">this</span><span class="p">.</span><span class="nx">_tryPreloadAttach</span><span class="p">,</span> <span class="kc">null</span><span class="p">,</span> <span class="kc">true</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Executes the supplied callback when the item with the supplied</span>
<span class="cm"> * id is found. This is meant to be used to execute behavior as</span>
<span class="cm"> * soon as possible as the page loads. If you use this after the</span>
<span class="cm"> * initial page load it will poll for a fixed time for the element.</span>
<span class="cm"> * The number of times it will poll and the frequency are</span>
<span class="cm"> * configurable. By default it will poll for 10 seconds.</span>
<span class="cm"> *</span>
<span class="cm"> * &lt;p&gt;The callback is executed with a single parameter:</span>
<span class="cm"> * the custom object parameter, if provided.&lt;/p&gt;</span>
<span class="cm"> *</span>
<span class="cm"> * @method onAvailable</span>
<span class="cm"> *</span>
<span class="cm"> * @param {string||string[]} id the id of the element, or an array</span>
<span class="cm"> * of ids to look for.</span>
<span class="cm"> * @param {function} fn what to execute when the element is found.</span>
<span class="cm"> * @param {object} obj an optional object to be passed back as</span>
<span class="cm"> * a parameter to fn.</span>
<span class="cm"> * @param {boolean|object} overrideContext If set to true, fn will execute</span>
<span class="cm"> * in the context of obj, if set to an object it</span>
<span class="cm"> * will execute in the context of that object</span>
<span class="cm"> * @param checkContent {boolean} check child node readiness (onContentReady)</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">onAvailable</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">id</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">,</span> <span class="nx">checkContent</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">a</span> <span class="o">=</span> <span class="p">(</span><span class="nx">YAHOO</span><span class="p">.</span><span class="nx">lang</span><span class="p">.</span><span class="nx">isString</span><span class="p">(</span><span class="nx">id</span><span class="p">))</span> <span class="o">?</span> <span class="p">[</span><span class="nx">id</span><span class="p">]</span> <span class="o">:</span> <span class="nx">id</span><span class="p">;</span>
<span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">i</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span> <span class="nx">i</span><span class="o">&lt;</span><span class="nx">a</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">=</span><span class="nx">i</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">onAvailStack</span><span class="p">.</span><span class="nx">push</span><span class="p">({</span><span class="nx">id</span><span class="o">:</span> <span class="nx">a</span><span class="p">[</span><span class="nx">i</span><span class="p">],</span>
<span class="nx">fn</span><span class="o">:</span> <span class="nx">fn</span><span class="p">,</span>
<span class="nx">obj</span><span class="o">:</span> <span class="nx">obj</span><span class="p">,</span>
<span class="nx">overrideContext</span><span class="o">:</span> <span class="nx">overrideContext</span><span class="p">,</span>
<span class="nx">checkReady</span><span class="o">:</span> <span class="nx">checkContent</span> <span class="p">});</span>
<span class="p">}</span>
<span class="nx">retryCount</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">POLL_RETRYS</span><span class="p">;</span>
<span class="k">this</span><span class="p">.</span><span class="nx">startInterval</span><span class="p">();</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Works the same way as onAvailable, but additionally checks the</span>
<span class="cm"> * state of sibling elements to determine if the content of the</span>
<span class="cm"> * available element is safe to modify.</span>
<span class="cm"> *</span>
<span class="cm"> * &lt;p&gt;The callback is executed with a single parameter:</span>
<span class="cm"> * the custom object parameter, if provided.&lt;/p&gt;</span>
<span class="cm"> *</span>
<span class="cm"> * @method onContentReady</span>
<span class="cm"> *</span>
<span class="cm"> * @param {string} id the id of the element to look for.</span>
<span class="cm"> * @param {function} fn what to execute when the element is ready.</span>
<span class="cm"> * @param {object} obj an optional object to be passed back as</span>
<span class="cm"> * a parameter to fn.</span>
<span class="cm"> * @param {boolean|object} overrideContext If set to true, fn will execute</span>
<span class="cm"> * in the context of obj. If an object, fn will</span>
<span class="cm"> * exectute in the context of that object</span>
<span class="cm"> *</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">onContentReady</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">id</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">onAvailable</span><span class="p">(</span><span class="nx">id</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">,</span> <span class="kc">true</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Executes the supplied callback when the DOM is first usable. This</span>
<span class="cm"> * will execute immediately if called after the DOMReady event has</span>
<span class="cm"> * fired. @todo the DOMContentReady event does not fire when the</span>
<span class="cm"> * script is dynamically injected into the page. This means the</span>
<span class="cm"> * DOMReady custom event will never fire in FireFox or Opera when the</span>
<span class="cm"> * library is injected. It _will_ fire in Safari, and the IE </span>
<span class="cm"> * implementation would allow for us to fire it if the defered script</span>
<span class="cm"> * is not available. We want this to behave the same in all browsers.</span>
<span class="cm"> * Is there a way to identify when the script has been injected </span>
<span class="cm"> * instead of included inline? Is there a way to know whether the </span>
<span class="cm"> * window onload event has fired without having had a listener attached </span>
<span class="cm"> * to it when it did so?</span>
<span class="cm"> *</span>
<span class="cm"> * &lt;p&gt;The callback is a CustomEvent, so the signature is:&lt;/p&gt;</span>
<span class="cm"> * &lt;p&gt;type &amp;lt;string&amp;gt;, args &amp;lt;array&amp;gt;, customobject &amp;lt;object&amp;gt;&lt;/p&gt;</span>
<span class="cm"> * &lt;p&gt;For DOMReady events, there are no fire argments, so the</span>
<span class="cm"> * signature is:&lt;/p&gt;</span>
<span class="cm"> * &lt;p&gt;&quot;DOMReady&quot;, [], obj&lt;/p&gt;</span>
<span class="cm"> *</span>
<span class="cm"> *</span>
<span class="cm"> * @method onDOMReady</span>
<span class="cm"> *</span>
<span class="cm"> * @param {function} fn what to execute when the element is found.</span>
<span class="cm"> * @param {object} obj an optional object to be passed back as</span>
<span class="cm"> * a parameter to fn.</span>
<span class="cm"> * @param {boolean|object} overrideContext If set to true, fn will execute</span>
<span class="cm"> * in the context of obj, if set to an object it</span>
<span class="cm"> * will execute in the context of that object</span>
<span class="cm"> *</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="c1">// onDOMReady: function(fn, obj, overrideContext) {</span>
<span class="nx">onDOMReady</span><span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">DOMReadyEvent</span><span class="p">.</span><span class="nx">subscribe</span><span class="p">.</span><span class="nx">apply</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">DOMReadyEvent</span><span class="p">,</span> <span class="nx">arguments</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Appends an event handler</span>
<span class="cm"> *</span>
<span class="cm"> * @method _addListener</span>
<span class="cm"> *</span>
<span class="cm"> * @param {String|HTMLElement|Array|NodeList} el An id, an element </span>
<span class="cm"> * reference, or a collection of ids and/or elements to assign the </span>
<span class="cm"> * listener to.</span>
<span class="cm"> * @param {String} sType The type of event to append</span>
<span class="cm"> * @param {Function} fn The method the event invokes</span>
<span class="cm"> * @param {Object} obj An arbitrary object that will be </span>
<span class="cm"> * passed as a parameter to the handler</span>
<span class="cm"> * @param {Boolean|object} overrideContext If true, the obj passed in becomes</span>
<span class="cm"> * the execution context of the listener. If an</span>
<span class="cm"> * object, this object becomes the execution</span>
<span class="cm"> * context.</span>
<span class="cm"> * @param {boolen} capture capture or bubble phase</span>
<span class="cm"> * @return {Boolean} True if the action was successful or defered,</span>
<span class="cm"> * false if one or more of the elements </span>
<span class="cm"> * could not have the listener attached,</span>
<span class="cm"> * or if the operation throws an exception.</span>
<span class="cm"> * @private</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">_addListener</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">,</span> <span class="nx">bCapture</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">fn</span> <span class="o">||</span> <span class="o">!</span><span class="nx">fn</span><span class="p">.</span><span class="nx">call</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">YAHOO</span><span class="p">.</span><span class="nx">log</span><span class="p">(</span><span class="nx">sType</span> <span class="o">+</span> <span class="s2">&quot; addListener failed, invalid callback&quot;</span><span class="p">,</span> <span class="s2">&quot;error&quot;</span><span class="p">,</span> <span class="s2">&quot;Event&quot;</span><span class="p">);</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>
<span class="c1">// The el argument can be an array of elements or element ids.</span>
<span class="k">if</span> <span class="p">(</span> <span class="k">this</span><span class="p">.</span><span class="nx">_isValidCollection</span><span class="p">(</span><span class="nx">el</span><span class="p">))</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">ok</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
<span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">i</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span><span class="nx">len</span><span class="o">=</span><span class="nx">el</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">&lt;</span><span class="nx">len</span><span class="p">;</span> <span class="o">++</span><span class="nx">i</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">ok</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">on</span><span class="p">(</span><span class="nx">el</span><span class="p">[</span><span class="nx">i</span><span class="p">],</span>
<span class="nx">sType</span><span class="p">,</span>
<span class="nx">fn</span><span class="p">,</span>
<span class="nx">obj</span><span class="p">,</span>
<span class="nx">overrideContext</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="nx">ok</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">ok</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">YAHOO</span><span class="p">.</span><span class="nx">lang</span><span class="p">.</span><span class="nx">isString</span><span class="p">(</span><span class="nx">el</span><span class="p">))</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">oEl</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">getEl</span><span class="p">(</span><span class="nx">el</span><span class="p">);</span>
<span class="c1">// If the el argument is a string, we assume it is </span>
<span class="c1">// actually the id of the element. If the page is loaded</span>
<span class="c1">// we convert el to the actual element, otherwise we </span>
<span class="c1">// defer attaching the event until onload event fires</span>
<span class="c1">// check to see if we need to delay hooking up the event </span>
<span class="c1">// until after the page loads.</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">oEl</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">el</span> <span class="o">=</span> <span class="nx">oEl</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="c1">// defer adding the event until the element is available</span>
<span class="k">this</span><span class="p">.</span><span class="nx">onAvailable</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span><span class="p">.</span><span class="nx">_addListener</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">,</span> <span class="nx">bCapture</span><span class="p">);</span>
<span class="p">});</span>
<span class="k">return</span> <span class="kc">true</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="c1">// Element should be an html element or an array if we get </span>
<span class="c1">// here.</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">// this.logger.debug(&quot;unable to attach event &quot; + sType);</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>
<span class="c1">// we need to make sure we fire registered unload events </span>
<span class="c1">// prior to automatically unhooking them. So we hang on to </span>
<span class="c1">// these instead of attaching them to the window and fire the</span>
<span class="c1">// handles explicitly during our one unload event.</span>
<span class="k">if</span> <span class="p">(</span><span class="s2">&quot;unload&quot;</span> <span class="o">==</span> <span class="nx">sType</span> <span class="o">&amp;&amp;</span> <span class="nx">obj</span> <span class="o">!==</span> <span class="k">this</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">unloadListeners</span><span class="p">[</span><span class="nx">unloadListeners</span><span class="p">.</span><span class="nx">length</span><span class="p">]</span> <span class="o">=</span>
<span class="p">[</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">];</span>
<span class="k">return</span> <span class="kc">true</span><span class="p">;</span>
<span class="p">}</span>
<span class="c1">// this.logger.debug(&quot;Adding handler: &quot; + el + &quot;, &quot; + sType);</span>
<span class="c1">// if the user chooses to override the context, we use the custom</span>
<span class="c1">// object passed in, otherwise the executing context will be the</span>
<span class="c1">// HTML element that the event is registered on</span>
<span class="kd">var</span> <span class="nx">context</span> <span class="o">=</span> <span class="nx">el</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">overrideContext</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">overrideContext</span> <span class="o">===</span> <span class="kc">true</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">context</span> <span class="o">=</span> <span class="nx">obj</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">context</span> <span class="o">=</span> <span class="nx">overrideContext</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="c1">// wrap the function so we can return the obj object when</span>
<span class="c1">// the event fires;</span>
<span class="kd">var</span> <span class="nx">wrappedFn</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">fn</span><span class="p">.</span><span class="nx">call</span><span class="p">(</span><span class="nx">context</span><span class="p">,</span> <span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span><span class="p">.</span><span class="nx">getEvent</span><span class="p">(</span><span class="nx">e</span><span class="p">,</span> <span class="nx">el</span><span class="p">),</span>
<span class="nx">obj</span><span class="p">);</span>
<span class="p">};</span>
<span class="kd">var</span> <span class="nx">li</span> <span class="o">=</span> <span class="p">[</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">wrappedFn</span><span class="p">,</span> <span class="nx">context</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">,</span> <span class="nx">bCapture</span><span class="p">];</span>
<span class="kd">var</span> <span class="nx">index</span> <span class="o">=</span> <span class="nx">listeners</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span>
<span class="c1">// cache the listener so we can try to automatically unload</span>
<span class="nx">listeners</span><span class="p">[</span><span class="nx">index</span><span class="p">]</span> <span class="o">=</span> <span class="nx">li</span><span class="p">;</span>
<span class="k">try</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">_simpleAdd</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">wrappedFn</span><span class="p">,</span> <span class="nx">bCapture</span><span class="p">);</span>
<span class="p">}</span> <span class="k">catch</span><span class="p">(</span><span class="nx">ex</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">// handle an error trying to attach an event. If it fails</span>
<span class="c1">// we need to clean up the cache</span>
<span class="k">this</span><span class="p">.</span><span class="nx">lastError</span> <span class="o">=</span> <span class="nx">ex</span><span class="p">;</span>
<span class="k">this</span><span class="p">.</span><span class="nx">removeListener</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">);</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="kc">true</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Checks to see if the type requested is a special type </span>
<span class="cm"> * (as defined by the _specialTypes hash), and (if so) returns </span>
<span class="cm"> * the special type name.</span>
<span class="cm"> *</span>
<span class="cm"> * @method _getType</span>
<span class="cm"> *</span>
<span class="cm"> * @param {String} sType The type to look up</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_getType</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">type</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">_specialTypes</span><span class="p">[</span><span class="nx">type</span><span class="p">]</span> <span class="o">||</span> <span class="nx">type</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Appends an event handler</span>
<span class="cm"> *</span>
<span class="cm"> * @method addListener</span>
<span class="cm"> *</span>
<span class="cm"> * @param {String|HTMLElement|Array|NodeList} el An id, an element </span>
<span class="cm"> * reference, or a collection of ids and/or elements to assign the </span>
<span class="cm"> * listener to.</span>
<span class="cm"> * @param {String} sType The type of event to append</span>
<span class="cm"> * @param {Function} fn The method the event invokes</span>
<span class="cm"> * @param {Object} obj An arbitrary object that will be </span>
<span class="cm"> * passed as a parameter to the handler</span>
<span class="cm"> * @param {Boolean|object} overrideContext If true, the obj passed in becomes</span>
<span class="cm"> * the execution context of the listener. If an</span>
<span class="cm"> * object, this object becomes the execution</span>
<span class="cm"> * context.</span>
<span class="cm"> * @return {Boolean} True if the action was successful or defered,</span>
<span class="cm"> * false if one or more of the elements </span>
<span class="cm"> * could not have the listener attached,</span>
<span class="cm"> * or if the operation throws an exception.</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">addListener</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">capture</span> <span class="o">=</span> <span class="p">((</span><span class="nx">sType</span> <span class="o">==</span> <span class="nx">FOCUSIN</span> <span class="o">||</span> <span class="nx">sType</span> <span class="o">==</span> <span class="nx">FOCUSOUT</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="o">!</span><span class="nx">YAHOO</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">ua</span><span class="p">.</span><span class="nx">ie</span><span class="p">)</span> <span class="o">?</span> <span class="kc">true</span> <span class="o">:</span> <span class="kc">false</span><span class="p">;</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">_addListener</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="k">this</span><span class="p">.</span><span class="nx">_getType</span><span class="p">(</span><span class="nx">sType</span><span class="p">),</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">,</span> <span class="nx">capture</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Attaches a focusin event listener to the specified element for </span>
<span class="cm"> * the purpose of listening for the focus event on the element&#39;s </span>
<span class="cm"> * descendants.</span>
<span class="cm"> * @method addFocusListener</span>
<span class="cm"> *</span>
<span class="cm"> * @param {String|HTMLElement|Array|NodeList} el An id, an element </span>
<span class="cm"> * reference, or a collection of ids and/or elements to assign the </span>
<span class="cm"> * listener to.</span>
<span class="cm"> * @param {Function} fn The method the event invokes</span>
<span class="cm"> * @param {Object} obj An arbitrary object that will be </span>
<span class="cm"> * passed as a parameter to the handler</span>
<span class="cm"> * @param {Boolean|object} overrideContext If true, the obj passed in becomes</span>
<span class="cm"> * the execution context of the listener. If an</span>
<span class="cm"> * object, this object becomes the execution</span>
<span class="cm"> * context.</span>
<span class="cm"> * @return {Boolean} True if the action was successful or defered,</span>
<span class="cm"> * false if one or more of the elements </span>
<span class="cm"> * could not have the listener attached,</span>
<span class="cm"> * or if the operation throws an exception.</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated use YAHOO.util.Event.on and specify &quot;focusin&quot; as the event type.</span>
<span class="cm"> */</span>
<span class="nx">addFocusListener</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">on</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">FOCUSIN</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Removes a focusin event listener to the specified element for </span>
<span class="cm"> * the purpose of listening for the focus event on the element&#39;s </span>
<span class="cm"> * descendants.</span>
<span class="cm"> *</span>
<span class="cm"> * @method removeFocusListener</span>
<span class="cm"> *</span>
<span class="cm"> * @param {String|HTMLElement|Array|NodeList} el An id, an element </span>
<span class="cm"> * reference, or a collection of ids and/or elements to remove</span>
<span class="cm"> * the listener from.</span>
<span class="cm"> * @param {Function} fn the method the event invokes. If fn is</span>
<span class="cm"> * undefined, then all event handlers for the type of event are </span>
<span class="cm"> * removed.</span>
<span class="cm"> * @return {boolean} true if the unbind was successful, false </span>
<span class="cm"> * otherwise.</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated use YAHOO.util.Event.removeListener and specify &quot;focusin&quot; as the event type.</span>
<span class="cm"> */</span>
<span class="nx">removeFocusListener</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">fn</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">removeListener</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">FOCUSIN</span><span class="p">,</span> <span class="nx">fn</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Attaches a focusout event listener to the specified element for </span>
<span class="cm"> * the purpose of listening for the blur event on the element&#39;s </span>
<span class="cm"> * descendants.</span>
<span class="cm"> *</span>
<span class="cm"> * @method addBlurListener</span>
<span class="cm"> *</span>
<span class="cm"> * @param {String|HTMLElement|Array|NodeList} el An id, an element </span>
<span class="cm"> * reference, or a collection of ids and/or elements to assign the </span>
<span class="cm"> * listener to.</span>
<span class="cm"> * @param {Function} fn The method the event invokes</span>
<span class="cm"> * @param {Object} obj An arbitrary object that will be </span>
<span class="cm"> * passed as a parameter to the handler</span>
<span class="cm"> * @param {Boolean|object} overrideContext If true, the obj passed in becomes</span>
<span class="cm"> * the execution context of the listener. If an</span>
<span class="cm"> * object, this object becomes the execution</span>
<span class="cm"> * context.</span>
<span class="cm"> * @return {Boolean} True if the action was successful or defered,</span>
<span class="cm"> * false if one or more of the elements </span>
<span class="cm"> * could not have the listener attached,</span>
<span class="cm"> * or if the operation throws an exception.</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated use YAHOO.util.Event.on and specify &quot;focusout&quot; as the event type.</span>
<span class="cm"> */</span>
<span class="nx">addBlurListener</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">on</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">FOCUSOUT</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">overrideContext</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Removes a focusout event listener to the specified element for </span>
<span class="cm"> * the purpose of listening for the blur event on the element&#39;s </span>
<span class="cm"> * descendants.</span>
<span class="cm"> *</span>
<span class="cm"> * @method removeBlurListener</span>
<span class="cm"> *</span>
<span class="cm"> * @param {String|HTMLElement|Array|NodeList} el An id, an element </span>
<span class="cm"> * reference, or a collection of ids and/or elements to remove</span>
<span class="cm"> * the listener from.</span>
<span class="cm"> * @param {Function} fn the method the event invokes. If fn is</span>
<span class="cm"> * undefined, then all event handlers for the type of event are </span>
<span class="cm"> * removed.</span>
<span class="cm"> * @return {boolean} true if the unbind was successful, false </span>
<span class="cm"> * otherwise.</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated use YAHOO.util.Event.removeListener and specify &quot;focusout&quot; as the event type.</span>
<span class="cm"> */</span>
<span class="nx">removeBlurListener</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">fn</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">removeListener</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">FOCUSOUT</span><span class="p">,</span> <span class="nx">fn</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Removes an event listener</span>
<span class="cm"> *</span>
<span class="cm"> * @method removeListener</span>
<span class="cm"> *</span>
<span class="cm"> * @param {String|HTMLElement|Array|NodeList} el An id, an element </span>
<span class="cm"> * reference, or a collection of ids and/or elements to remove</span>
<span class="cm"> * the listener from.</span>
<span class="cm"> * @param {String} sType the type of event to remove.</span>
<span class="cm"> * @param {Function} fn the method the event invokes. If fn is</span>
<span class="cm"> * undefined, then all event handlers for the type of event are </span>
<span class="cm"> * removed.</span>
<span class="cm"> * @return {boolean} true if the unbind was successful, false </span>
<span class="cm"> * otherwise.</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">removeListener</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">i</span><span class="p">,</span> <span class="nx">len</span><span class="p">,</span> <span class="nx">li</span><span class="p">;</span>
<span class="nx">sType</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">_getType</span><span class="p">(</span><span class="nx">sType</span><span class="p">);</span>
<span class="c1">// The el argument can be a string</span>
<span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">el</span> <span class="o">==</span> <span class="s2">&quot;string&quot;</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">el</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">getEl</span><span class="p">(</span><span class="nx">el</span><span class="p">);</span>
<span class="c1">// The el argument can be an array of elements or element ids.</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span> <span class="k">this</span><span class="p">.</span><span class="nx">_isValidCollection</span><span class="p">(</span><span class="nx">el</span><span class="p">))</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">ok</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
<span class="k">for</span> <span class="p">(</span><span class="nx">i</span><span class="o">=</span><span class="nx">el</span><span class="p">.</span><span class="nx">length</span><span class="o">-</span><span class="mi">1</span><span class="p">;</span> <span class="nx">i</span><span class="o">&gt;-</span><span class="mi">1</span><span class="p">;</span> <span class="nx">i</span><span class="o">--</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">ok</span> <span class="o">=</span> <span class="p">(</span> <span class="k">this</span><span class="p">.</span><span class="nx">removeListener</span><span class="p">(</span><span class="nx">el</span><span class="p">[</span><span class="nx">i</span><span class="p">],</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="nx">ok</span> <span class="p">);</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">ok</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">fn</span> <span class="o">||</span> <span class="o">!</span><span class="nx">fn</span><span class="p">.</span><span class="nx">call</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">// this.logger.debug(&quot;Error, function is not valid &quot; + fn);</span>
<span class="c1">//return false;</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">purgeElement</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="kc">false</span><span class="p">,</span> <span class="nx">sType</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="s2">&quot;unload&quot;</span> <span class="o">==</span> <span class="nx">sType</span><span class="p">)</span> <span class="p">{</span>
<span class="k">for</span> <span class="p">(</span><span class="nx">i</span><span class="o">=</span><span class="nx">unloadListeners</span><span class="p">.</span><span class="nx">length</span><span class="o">-</span><span class="mi">1</span><span class="p">;</span> <span class="nx">i</span><span class="o">&gt;-</span><span class="mi">1</span><span class="p">;</span> <span class="nx">i</span><span class="o">--</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">li</span> <span class="o">=</span> <span class="nx">unloadListeners</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">li</span> <span class="o">&amp;&amp;</span>
<span class="nx">li</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="nx">el</span> <span class="o">&amp;&amp;</span>
<span class="nx">li</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">==</span> <span class="nx">sType</span> <span class="o">&amp;&amp;</span>
<span class="nx">li</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="o">==</span> <span class="nx">fn</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">unloadListeners</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">i</span><span class="p">,</span> <span class="mi">1</span><span class="p">);</span>
<span class="c1">// unloadListeners[i]=null;</span>
<span class="k">return</span> <span class="kc">true</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>
<span class="kd">var</span> <span class="nx">cacheItem</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="c1">// The index is a hidden parameter; needed to remove it from</span>
<span class="c1">// the method signature because it was tempting users to</span>
<span class="c1">// try and take advantage of it, which is not possible.</span>
<span class="kd">var</span> <span class="nx">index</span> <span class="o">=</span> <span class="nx">arguments</span><span class="p">[</span><span class="mi">3</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="s2">&quot;undefined&quot;</span> <span class="o">===</span> <span class="k">typeof</span> <span class="nx">index</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">index</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">_getCacheIndex</span><span class="p">(</span><span class="nx">listeners</span><span class="p">,</span> <span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">index</span> <span class="o">&gt;=</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">cacheItem</span> <span class="o">=</span> <span class="nx">listeners</span><span class="p">[</span><span class="nx">index</span><span class="p">];</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">el</span> <span class="o">||</span> <span class="o">!</span><span class="nx">cacheItem</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">// this.logger.debug(&quot;cached listener not found&quot;);</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>
<span class="c1">// this.logger.debug(&quot;Removing handler: &quot; + el + &quot;, &quot; + sType);</span>
<span class="kd">var</span> <span class="nx">bCapture</span> <span class="o">=</span> <span class="nx">cacheItem</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">CAPTURE</span><span class="p">]</span> <span class="o">===</span> <span class="kc">true</span> <span class="o">?</span> <span class="kc">true</span> <span class="o">:</span> <span class="kc">false</span><span class="p">;</span>
<span class="k">try</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">_simpleRemove</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">cacheItem</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">WFN</span><span class="p">],</span> <span class="nx">bCapture</span><span class="p">);</span>
<span class="p">}</span> <span class="k">catch</span><span class="p">(</span><span class="nx">ex</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">lastError</span> <span class="o">=</span> <span class="nx">ex</span><span class="p">;</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>
<span class="c1">// removed the wrapped handler</span>
<span class="k">delete</span> <span class="nx">listeners</span><span class="p">[</span><span class="nx">index</span><span class="p">][</span><span class="k">this</span><span class="p">.</span><span class="nx">WFN</span><span class="p">];</span>
<span class="k">delete</span> <span class="nx">listeners</span><span class="p">[</span><span class="nx">index</span><span class="p">][</span><span class="k">this</span><span class="p">.</span><span class="nx">FN</span><span class="p">];</span>
<span class="nx">listeners</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">index</span><span class="p">,</span> <span class="mi">1</span><span class="p">);</span>
<span class="c1">// listeners[index]=null;</span>
<span class="k">return</span> <span class="kc">true</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns the event&#39;s target element. Safari sometimes provides</span>
<span class="cm"> * a text node, and this is automatically resolved to the text</span>
<span class="cm"> * node&#39;s parent so that it behaves like other browsers.</span>
<span class="cm"> * @method getTarget</span>
<span class="cm"> * @param {Event} ev the event</span>
<span class="cm"> * @param {boolean} resolveTextNode when set to true the target&#39;s</span>
<span class="cm"> * parent will be returned if the target is a </span>
<span class="cm"> * text node. @deprecated, the text node is</span>
<span class="cm"> * now resolved automatically</span>
<span class="cm"> * @return {HTMLElement} the event&#39;s target</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">getTarget</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">ev</span><span class="p">,</span> <span class="nx">resolveTextNode</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">t</span> <span class="o">=</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">target</span> <span class="o">||</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">srcElement</span><span class="p">;</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">resolveTextNode</span><span class="p">(</span><span class="nx">t</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * In some cases, some browsers will return a text node inside</span>
<span class="cm"> * the actual element that was targeted. This normalizes the</span>
<span class="cm"> * return value for getTarget and getRelatedTarget.</span>
<span class="cm"> * @method resolveTextNode</span>
<span class="cm"> * @param {HTMLElement} node node to resolve</span>
<span class="cm"> * @return {HTMLElement} the normized node</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">resolveTextNode</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">n</span><span class="p">)</span> <span class="p">{</span>
<span class="k">try</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">n</span> <span class="o">&amp;&amp;</span> <span class="mi">3</span> <span class="o">==</span> <span class="nx">n</span><span class="p">.</span><span class="nx">nodeType</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">n</span><span class="p">.</span><span class="nx">parentNode</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">catch</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span> <span class="p">}</span>
<span class="k">return</span> <span class="nx">n</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns the event&#39;s pageX</span>
<span class="cm"> * @method getPageX</span>
<span class="cm"> * @param {Event} ev the event</span>
<span class="cm"> * @return {int} the event&#39;s pageX</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">getPageX</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">x</span> <span class="o">=</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">pageX</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">x</span> <span class="o">&amp;&amp;</span> <span class="mi">0</span> <span class="o">!==</span> <span class="nx">x</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">x</span> <span class="o">=</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">clientX</span> <span class="o">||</span> <span class="mi">0</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span> <span class="k">this</span><span class="p">.</span><span class="nx">isIE</span> <span class="p">)</span> <span class="p">{</span>
<span class="nx">x</span> <span class="o">+=</span> <span class="k">this</span><span class="p">.</span><span class="nx">_getScrollLeft</span><span class="p">();</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">x</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns the event&#39;s pageY</span>
<span class="cm"> * @method getPageY</span>
<span class="cm"> * @param {Event} ev the event</span>
<span class="cm"> * @return {int} the event&#39;s pageY</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">getPageY</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">y</span> <span class="o">=</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">pageY</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">y</span> <span class="o">&amp;&amp;</span> <span class="mi">0</span> <span class="o">!==</span> <span class="nx">y</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">y</span> <span class="o">=</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">clientY</span> <span class="o">||</span> <span class="mi">0</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span> <span class="k">this</span><span class="p">.</span><span class="nx">isIE</span> <span class="p">)</span> <span class="p">{</span>
<span class="nx">y</span> <span class="o">+=</span> <span class="k">this</span><span class="p">.</span><span class="nx">_getScrollTop</span><span class="p">();</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">y</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns the pageX and pageY properties as an indexed array.</span>
<span class="cm"> * @method getXY</span>
<span class="cm"> * @param {Event} ev the event</span>
<span class="cm"> * @return {[x, y]} the pageX and pageY properties of the event</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">getXY</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">getPageX</span><span class="p">(</span><span class="nx">ev</span><span class="p">),</span> <span class="k">this</span><span class="p">.</span><span class="nx">getPageY</span><span class="p">(</span><span class="nx">ev</span><span class="p">)];</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns the event&#39;s related target </span>
<span class="cm"> * @method getRelatedTarget</span>
<span class="cm"> * @param {Event} ev the event</span>
<span class="cm"> * @return {HTMLElement} the event&#39;s relatedTarget</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">getRelatedTarget</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">t</span> <span class="o">=</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">relatedTarget</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">t</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">ev</span><span class="p">.</span><span class="nx">type</span> <span class="o">==</span> <span class="s2">&quot;mouseout&quot;</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">t</span> <span class="o">=</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">toElement</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">ev</span><span class="p">.</span><span class="nx">type</span> <span class="o">==</span> <span class="s2">&quot;mouseover&quot;</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">t</span> <span class="o">=</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">fromElement</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">resolveTextNode</span><span class="p">(</span><span class="nx">t</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns the time of the event. If the time is not included, the</span>
<span class="cm"> * event is modified using the current time.</span>
<span class="cm"> * @method getTime</span>
<span class="cm"> * @param {Event} ev the event</span>
<span class="cm"> * @return {Date} the time of the event</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">getTime</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">ev</span><span class="p">.</span><span class="nx">time</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">t</span> <span class="o">=</span> <span class="k">new</span> <span class="nb">Date</span><span class="p">().</span><span class="nx">getTime</span><span class="p">();</span>
<span class="k">try</span> <span class="p">{</span>
<span class="nx">ev</span><span class="p">.</span><span class="nx">time</span> <span class="o">=</span> <span class="nx">t</span><span class="p">;</span>
<span class="p">}</span> <span class="k">catch</span><span class="p">(</span><span class="nx">ex</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">lastError</span> <span class="o">=</span> <span class="nx">ex</span><span class="p">;</span>
<span class="k">return</span> <span class="nx">t</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">time</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Convenience method for stopPropagation + preventDefault</span>
<span class="cm"> * @method stopEvent</span>
<span class="cm"> * @param {Event} ev the event</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">stopEvent</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">stopPropagation</span><span class="p">(</span><span class="nx">ev</span><span class="p">);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">preventDefault</span><span class="p">(</span><span class="nx">ev</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Stops event propagation</span>
<span class="cm"> * @method stopPropagation</span>
<span class="cm"> * @param {Event} ev the event</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">stopPropagation</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">ev</span><span class="p">.</span><span class="nx">stopPropagation</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">ev</span><span class="p">.</span><span class="nx">stopPropagation</span><span class="p">();</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">ev</span><span class="p">.</span><span class="nx">cancelBubble</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Prevents the default behavior of the event</span>
<span class="cm"> * @method preventDefault</span>
<span class="cm"> * @param {Event} ev the event</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">preventDefault</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">ev</span><span class="p">.</span><span class="nx">preventDefault</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">ev</span><span class="p">.</span><span class="nx">preventDefault</span><span class="p">();</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">ev</span><span class="p">.</span><span class="nx">returnValue</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Finds the event in the window object, the caller&#39;s arguments, or</span>
<span class="cm"> * in the arguments of another method in the callstack. This is</span>
<span class="cm"> * executed automatically for events registered through the event</span>
<span class="cm"> * manager, so the implementer should not normally need to execute</span>
<span class="cm"> * this function at all.</span>
<span class="cm"> * @method getEvent</span>
<span class="cm"> * @param {Event} e the event parameter from the handler</span>
<span class="cm"> * @param {HTMLElement} boundEl the element the listener is attached to</span>
<span class="cm"> * @return {Event} the event </span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">getEvent</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">e</span><span class="p">,</span> <span class="nx">boundEl</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">ev</span> <span class="o">=</span> <span class="nx">e</span> <span class="o">||</span> <span class="nb">window</span><span class="p">.</span><span class="nx">event</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">c</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">getEvent</span><span class="p">.</span><span class="nx">caller</span><span class="p">;</span>
<span class="k">while</span> <span class="p">(</span><span class="nx">c</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">ev</span> <span class="o">=</span> <span class="nx">c</span><span class="p">.</span><span class="nx">arguments</span><span class="p">[</span><span class="mi">0</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">ev</span> <span class="o">&amp;&amp;</span> <span class="nx">Event</span> <span class="o">==</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">constructor</span><span class="p">)</span> <span class="p">{</span>
<span class="k">break</span><span class="p">;</span>
<span class="p">}</span>
<span class="nx">c</span> <span class="o">=</span> <span class="nx">c</span><span class="p">.</span><span class="nx">caller</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">ev</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns the charcode for an event</span>
<span class="cm"> * @method getCharCode</span>
<span class="cm"> * @param {Event} ev the event</span>
<span class="cm"> * @return {int} the event&#39;s charCode</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">getCharCode</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">code</span> <span class="o">=</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">keyCode</span> <span class="o">||</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">charCode</span> <span class="o">||</span> <span class="mi">0</span><span class="p">;</span>
<span class="c1">// webkit key normalization</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">YAHOO</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">ua</span><span class="p">.</span><span class="nx">webkit</span> <span class="o">&amp;&amp;</span> <span class="p">(</span><span class="nx">code</span> <span class="k">in</span> <span class="nx">webkitKeymap</span><span class="p">))</span> <span class="p">{</span>
<span class="nx">code</span> <span class="o">=</span> <span class="nx">webkitKeymap</span><span class="p">[</span><span class="nx">code</span><span class="p">];</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">code</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Locating the saved event handler data by function ref</span>
<span class="cm"> *</span>
<span class="cm"> * @method _getCacheIndex</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_getCacheIndex</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">a</span><span class="p">,</span> <span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">)</span> <span class="p">{</span>
<span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">i</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="nx">l</span><span class="o">=</span><span class="nx">a</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">&lt;</span><span class="nx">l</span><span class="p">;</span> <span class="nx">i</span><span class="o">=</span><span class="nx">i</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">li</span> <span class="o">=</span> <span class="nx">a</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span> <span class="nx">li</span> <span class="o">&amp;&amp;</span>
<span class="nx">li</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">FN</span><span class="p">]</span> <span class="o">==</span> <span class="nx">fn</span> <span class="o">&amp;&amp;</span>
<span class="nx">li</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">EL</span><span class="p">]</span> <span class="o">==</span> <span class="nx">el</span> <span class="o">&amp;&amp;</span>
<span class="nx">li</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">TYPE</span><span class="p">]</span> <span class="o">==</span> <span class="nx">sType</span> <span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">i</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Generates an unique ID for the element if it does not already </span>
<span class="cm"> * have one.</span>
<span class="cm"> * @method generateId</span>
<span class="cm"> * @param el the element to create the id for</span>
<span class="cm"> * @return {string} the resulting id of the element</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">generateId</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">id</span> <span class="o">=</span> <span class="nx">el</span><span class="p">.</span><span class="nx">id</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">id</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">id</span> <span class="o">=</span> <span class="s2">&quot;yuievtautoid-&quot;</span> <span class="o">+</span> <span class="nx">counter</span><span class="p">;</span>
<span class="o">++</span><span class="nx">counter</span><span class="p">;</span>
<span class="nx">el</span><span class="p">.</span><span class="nx">id</span> <span class="o">=</span> <span class="nx">id</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">id</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * We want to be able to use getElementsByTagName as a collection</span>
<span class="cm"> * to attach a group of events to. Unfortunately, different </span>
<span class="cm"> * browsers return different types of collections. This function</span>
<span class="cm"> * tests to determine if the object is array-like. It will also </span>
<span class="cm"> * fail if the object is an array, but is empty.</span>
<span class="cm"> * @method _isValidCollection</span>
<span class="cm"> * @param o the object to test</span>
<span class="cm"> * @return {boolean} true if the object is array-like and populated</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_isValidCollection</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="p">{</span>
<span class="k">try</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">(</span> <span class="nx">o</span> <span class="o">&amp;&amp;</span> <span class="c1">// o is something</span>
<span class="k">typeof</span> <span class="nx">o</span> <span class="o">!==</span> <span class="s2">&quot;string&quot;</span> <span class="o">&amp;&amp;</span> <span class="c1">// o is not a string</span>
<span class="nx">o</span><span class="p">.</span><span class="nx">length</span> <span class="o">&amp;&amp;</span> <span class="c1">// o is indexed</span>
<span class="o">!</span><span class="nx">o</span><span class="p">.</span><span class="nx">tagName</span> <span class="o">&amp;&amp;</span> <span class="c1">// o is not an HTML element</span>
<span class="o">!</span><span class="nx">o</span><span class="p">.</span><span class="nx">alert</span> <span class="o">&amp;&amp;</span> <span class="c1">// o is not a window</span>
<span class="k">typeof</span> <span class="nx">o</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">!==</span> <span class="s2">&quot;undefined&quot;</span> <span class="p">);</span>
<span class="p">}</span> <span class="k">catch</span><span class="p">(</span><span class="nx">ex</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">YAHOO</span><span class="p">.</span><span class="nx">log</span><span class="p">(</span><span class="s2">&quot;node access error (xframe?)&quot;</span><span class="p">,</span> <span class="s2">&quot;warn&quot;</span><span class="p">);</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * @private</span>
<span class="cm"> * @property elCache</span>
<span class="cm"> * DOM element cache</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated Elements are not cached due to issues that arise when</span>
<span class="cm"> * elements are removed and re-added</span>
<span class="cm"> */</span>
<span class="nx">elCache</span><span class="o">:</span> <span class="p">{},</span>
<span class="cm">/**</span>
<span class="cm"> * We cache elements bound by id because when the unload event </span>
<span class="cm"> * fires, we can no longer use document.getElementById</span>
<span class="cm"> * @method getEl</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> * @deprecated Elements are not cached any longer</span>
<span class="cm"> */</span>
<span class="nx">getEl</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">id</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">id</span> <span class="o">===</span> <span class="s2">&quot;string&quot;</span><span class="p">)</span> <span class="o">?</span> <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="nx">id</span><span class="p">)</span> <span class="o">:</span> <span class="nx">id</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Clears the element cache</span>
<span class="cm"> * @deprecated Elements are not cached any longer</span>
<span class="cm"> * @method clearCache</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">clearCache</span><span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span> <span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Custom event the fires when the dom is initially usable</span>
<span class="cm"> * @event DOMReadyEvent</span>
<span class="cm"> */</span>
<span class="nx">DOMReadyEvent</span><span class="o">:</span> <span class="k">new</span> <span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">CustomEvent</span><span class="p">(</span><span class="s2">&quot;DOMReady&quot;</span><span class="p">,</span> <span class="nx">YAHOO</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
<span class="cm">/**</span>
<span class="cm"> * hook up any deferred listeners</span>
<span class="cm"> * @method _load</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_load</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">loadComplete</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">loadComplete</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">EU</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span><span class="p">;</span>
<span class="c1">// Just in case DOMReady did not go off for some reason</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_ready</span><span class="p">();</span>
<span class="c1">// Available elements may not have been detected before the</span>
<span class="c1">// window load event fires. Try to find them now so that the</span>
<span class="c1">// the user is more likely to get the onAvailable notifications</span>
<span class="c1">// before the window load notification</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_tryPreloadAttach</span><span class="p">();</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Fires the DOMReady event listeners the first time the document is</span>
<span class="cm"> * usable.</span>
<span class="cm"> * @method _ready</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_ready</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">EU</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">EU</span><span class="p">.</span><span class="nx">DOMReady</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">DOMReady</span><span class="o">=</span><span class="kc">true</span><span class="p">;</span>
<span class="c1">// Fire the content ready custom event</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">DOMReadyEvent</span><span class="p">.</span><span class="nx">fire</span><span class="p">();</span>
<span class="c1">// Remove the DOMContentLoaded (FF/Opera)</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_simpleRemove</span><span class="p">(</span><span class="nb">document</span><span class="p">,</span> <span class="s2">&quot;DOMContentLoaded&quot;</span><span class="p">,</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">_ready</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Polling function that runs before the onload event fires, </span>
<span class="cm"> * attempting to attach to DOM Nodes as soon as they are </span>
<span class="cm"> * available</span>
<span class="cm"> * @method _tryPreloadAttach</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_tryPreloadAttach</span><span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">onAvailStack</span><span class="p">.</span><span class="nx">length</span> <span class="o">===</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">retryCount</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">_interval</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">// clearInterval(this._interval);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">_interval</span><span class="p">.</span><span class="nx">cancel</span><span class="p">();</span>
<span class="k">this</span><span class="p">.</span><span class="nx">_interval</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">locked</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">isIE</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">// Hold off if DOMReady has not fired and check current</span>
<span class="c1">// readyState to protect against the IE operation aborted</span>
<span class="c1">// issue.</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="k">this</span><span class="p">.</span><span class="nx">DOMReady</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">startInterval</span><span class="p">();</span>
<span class="k">return</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">this</span><span class="p">.</span><span class="nx">locked</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
<span class="c1">// this.logger.debug(&quot;tryPreloadAttach&quot;);</span>
<span class="c1">// keep trying until after the page is loaded. We need to </span>
<span class="c1">// check the page load state prior to trying to bind the </span>
<span class="c1">// elements so that we can be certain all elements have been </span>
<span class="c1">// tested appropriately</span>
<span class="kd">var</span> <span class="nx">tryAgain</span> <span class="o">=</span> <span class="o">!</span><span class="nx">loadComplete</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">tryAgain</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">tryAgain</span> <span class="o">=</span> <span class="p">(</span><span class="nx">retryCount</span> <span class="o">&gt;</span> <span class="mi">0</span> <span class="o">&amp;&amp;</span> <span class="nx">onAvailStack</span><span class="p">.</span><span class="nx">length</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">);</span>
<span class="p">}</span>
<span class="c1">// onAvailable</span>
<span class="kd">var</span> <span class="nx">notAvail</span> <span class="o">=</span> <span class="p">[];</span>
<span class="kd">var</span> <span class="nx">executeItem</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">item</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">context</span> <span class="o">=</span> <span class="nx">el</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">item</span><span class="p">.</span><span class="nx">overrideContext</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">item</span><span class="p">.</span><span class="nx">overrideContext</span> <span class="o">===</span> <span class="kc">true</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">context</span> <span class="o">=</span> <span class="nx">item</span><span class="p">.</span><span class="nx">obj</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">context</span> <span class="o">=</span> <span class="nx">item</span><span class="p">.</span><span class="nx">overrideContext</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="nx">item</span><span class="p">.</span><span class="nx">fn</span><span class="p">.</span><span class="nx">call</span><span class="p">(</span><span class="nx">context</span><span class="p">,</span> <span class="nx">item</span><span class="p">.</span><span class="nx">obj</span><span class="p">);</span>
<span class="p">};</span>
<span class="kd">var</span> <span class="nx">i</span><span class="p">,</span> <span class="nx">len</span><span class="p">,</span> <span class="nx">item</span><span class="p">,</span> <span class="nx">el</span><span class="p">,</span> <span class="nx">ready</span><span class="o">=</span><span class="p">[];</span>
<span class="c1">// onAvailable onContentReady</span>
<span class="k">for</span> <span class="p">(</span><span class="nx">i</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="nx">len</span><span class="o">=</span><span class="nx">onAvailStack</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">&lt;</span><span class="nx">len</span><span class="p">;</span> <span class="nx">i</span><span class="o">=</span><span class="nx">i</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">item</span> <span class="o">=</span> <span class="nx">onAvailStack</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">item</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">el</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">getEl</span><span class="p">(</span><span class="nx">item</span><span class="p">.</span><span class="nx">id</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">item</span><span class="p">.</span><span class="nx">checkReady</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">loadComplete</span> <span class="o">||</span> <span class="nx">el</span><span class="p">.</span><span class="nx">nextSibling</span> <span class="o">||</span> <span class="o">!</span><span class="nx">tryAgain</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">ready</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">item</span><span class="p">);</span>
<span class="nx">onAvailStack</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">executeItem</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">item</span><span class="p">);</span>
<span class="nx">onAvailStack</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">notAvail</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">item</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="c1">// make sure onContentReady fires after onAvailable</span>
<span class="k">for</span> <span class="p">(</span><span class="nx">i</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="nx">len</span><span class="o">=</span><span class="nx">ready</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">&lt;</span><span class="nx">len</span><span class="p">;</span> <span class="nx">i</span><span class="o">=</span><span class="nx">i</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">item</span> <span class="o">=</span> <span class="nx">ready</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
<span class="nx">executeItem</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">getEl</span><span class="p">(</span><span class="nx">item</span><span class="p">.</span><span class="nx">id</span><span class="p">),</span> <span class="nx">item</span><span class="p">);</span>
<span class="p">}</span>
<span class="nx">retryCount</span><span class="o">--</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">tryAgain</span><span class="p">)</span> <span class="p">{</span>
<span class="k">for</span> <span class="p">(</span><span class="nx">i</span><span class="o">=</span><span class="nx">onAvailStack</span><span class="p">.</span><span class="nx">length</span><span class="o">-</span><span class="mi">1</span><span class="p">;</span> <span class="nx">i</span><span class="o">&gt;-</span><span class="mi">1</span><span class="p">;</span> <span class="nx">i</span><span class="o">--</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">item</span> <span class="o">=</span> <span class="nx">onAvailStack</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">item</span> <span class="o">||</span> <span class="o">!</span><span class="nx">item</span><span class="p">.</span><span class="nx">id</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">onAvailStack</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">i</span><span class="p">,</span> <span class="mi">1</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">this</span><span class="p">.</span><span class="nx">startInterval</span><span class="p">();</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">_interval</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">// clearInterval(this._interval);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">_interval</span><span class="p">.</span><span class="nx">cancel</span><span class="p">();</span>
<span class="k">this</span><span class="p">.</span><span class="nx">_interval</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">this</span><span class="p">.</span><span class="nx">locked</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Removes all listeners attached to the given element via addListener.</span>
<span class="cm"> * Optionally, the node&#39;s children can also be purged.</span>
<span class="cm"> * Optionally, you can specify a specific type of event to remove.</span>
<span class="cm"> * @method purgeElement</span>
<span class="cm"> * @param {HTMLElement} el the element to purge</span>
<span class="cm"> * @param {boolean} recurse recursively purge this element&#39;s children</span>
<span class="cm"> * as well. Use with caution.</span>
<span class="cm"> * @param {string} sType optional type of listener to purge. If</span>
<span class="cm"> * left out, all listeners will be removed</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">purgeElement</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">recurse</span><span class="p">,</span> <span class="nx">sType</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">oEl</span> <span class="o">=</span> <span class="p">(</span><span class="nx">YAHOO</span><span class="p">.</span><span class="nx">lang</span><span class="p">.</span><span class="nx">isString</span><span class="p">(</span><span class="nx">el</span><span class="p">))</span> <span class="o">?</span> <span class="k">this</span><span class="p">.</span><span class="nx">getEl</span><span class="p">(</span><span class="nx">el</span><span class="p">)</span> <span class="o">:</span> <span class="nx">el</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">elListeners</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">getListeners</span><span class="p">(</span><span class="nx">oEl</span><span class="p">,</span> <span class="nx">sType</span><span class="p">),</span> <span class="nx">i</span><span class="p">,</span> <span class="nx">len</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">elListeners</span><span class="p">)</span> <span class="p">{</span>
<span class="k">for</span> <span class="p">(</span><span class="nx">i</span><span class="o">=</span><span class="nx">elListeners</span><span class="p">.</span><span class="nx">length</span><span class="o">-</span><span class="mi">1</span><span class="p">;</span> <span class="nx">i</span><span class="o">&gt;-</span><span class="mi">1</span><span class="p">;</span> <span class="nx">i</span><span class="o">--</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">l</span> <span class="o">=</span> <span class="nx">elListeners</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
<span class="k">this</span><span class="p">.</span><span class="nx">removeListener</span><span class="p">(</span><span class="nx">oEl</span><span class="p">,</span> <span class="nx">l</span><span class="p">.</span><span class="nx">type</span><span class="p">,</span> <span class="nx">l</span><span class="p">.</span><span class="nx">fn</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">recurse</span> <span class="o">&amp;&amp;</span> <span class="nx">oEl</span> <span class="o">&amp;&amp;</span> <span class="nx">oEl</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">)</span> <span class="p">{</span>
<span class="k">for</span> <span class="p">(</span><span class="nx">i</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span><span class="nx">len</span><span class="o">=</span><span class="nx">oEl</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">&lt;</span><span class="nx">len</span> <span class="p">;</span> <span class="o">++</span><span class="nx">i</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">purgeElement</span><span class="p">(</span><span class="nx">oEl</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">[</span><span class="nx">i</span><span class="p">],</span> <span class="nx">recurse</span><span class="p">,</span> <span class="nx">sType</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns all listeners attached to the given element via addListener.</span>
<span class="cm"> * Optionally, you can specify a specific type of event to return.</span>
<span class="cm"> * @method getListeners</span>
<span class="cm"> * @param el {HTMLElement|string} the element or element id to inspect </span>
<span class="cm"> * @param sType {string} optional type of listener to return. If</span>
<span class="cm"> * left out, all listeners will be returned</span>
<span class="cm"> * @return {Object} the listener. Contains the following fields:</span>
<span class="cm"> * &amp;nbsp;&amp;nbsp;type: (string) the type of event</span>
<span class="cm"> * &amp;nbsp;&amp;nbsp;fn: (function) the callback supplied to addListener</span>
<span class="cm"> * &amp;nbsp;&amp;nbsp;obj: (object) the custom object supplied to addListener</span>
<span class="cm"> * &amp;nbsp;&amp;nbsp;adjust: (boolean|object) whether or not to adjust the default context</span>
<span class="cm"> * &amp;nbsp;&amp;nbsp;scope: (boolean) the derived context based on the adjust parameter</span>
<span class="cm"> * &amp;nbsp;&amp;nbsp;index: (int) its position in the Event util listener cache</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">getListeners</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">results</span><span class="o">=</span><span class="p">[],</span> <span class="nx">searchLists</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">sType</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">searchLists</span> <span class="o">=</span> <span class="p">[</span><span class="nx">listeners</span><span class="p">,</span> <span class="nx">unloadListeners</span><span class="p">];</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">sType</span> <span class="o">===</span> <span class="s2">&quot;unload&quot;</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">searchLists</span> <span class="o">=</span> <span class="p">[</span><span class="nx">unloadListeners</span><span class="p">];</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">sType</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">_getType</span><span class="p">(</span><span class="nx">sType</span><span class="p">);</span>
<span class="nx">searchLists</span> <span class="o">=</span> <span class="p">[</span><span class="nx">listeners</span><span class="p">];</span>
<span class="p">}</span>
<span class="kd">var</span> <span class="nx">oEl</span> <span class="o">=</span> <span class="p">(</span><span class="nx">YAHOO</span><span class="p">.</span><span class="nx">lang</span><span class="p">.</span><span class="nx">isString</span><span class="p">(</span><span class="nx">el</span><span class="p">))</span> <span class="o">?</span> <span class="k">this</span><span class="p">.</span><span class="nx">getEl</span><span class="p">(</span><span class="nx">el</span><span class="p">)</span> <span class="o">:</span> <span class="nx">el</span><span class="p">;</span>
<span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">j</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span><span class="nx">j</span><span class="o">&lt;</span><span class="nx">searchLists</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">j</span><span class="o">=</span><span class="nx">j</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">searchList</span> <span class="o">=</span> <span class="nx">searchLists</span><span class="p">[</span><span class="nx">j</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">searchList</span><span class="p">)</span> <span class="p">{</span>
<span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">i</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span><span class="nx">len</span><span class="o">=</span><span class="nx">searchList</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">&lt;</span><span class="nx">len</span> <span class="p">;</span> <span class="o">++</span><span class="nx">i</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">l</span> <span class="o">=</span> <span class="nx">searchList</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span> <span class="nx">l</span> <span class="o">&amp;&amp;</span> <span class="nx">l</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">EL</span><span class="p">]</span> <span class="o">===</span> <span class="nx">oEl</span> <span class="o">&amp;&amp;</span>
<span class="p">(</span><span class="o">!</span><span class="nx">sType</span> <span class="o">||</span> <span class="nx">sType</span> <span class="o">===</span> <span class="nx">l</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">TYPE</span><span class="p">])</span> <span class="p">)</span> <span class="p">{</span>
<span class="nx">results</span><span class="p">.</span><span class="nx">push</span><span class="p">({</span>
<span class="nx">type</span><span class="o">:</span> <span class="nx">l</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">TYPE</span><span class="p">],</span>
<span class="nx">fn</span><span class="o">:</span> <span class="nx">l</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">FN</span><span class="p">],</span>
<span class="nx">obj</span><span class="o">:</span> <span class="nx">l</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">OBJ</span><span class="p">],</span>
<span class="nx">adjust</span><span class="o">:</span> <span class="nx">l</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">OVERRIDE</span><span class="p">],</span>
<span class="nx">scope</span><span class="o">:</span> <span class="nx">l</span><span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">ADJ_SCOPE</span><span class="p">],</span>
<span class="nx">index</span><span class="o">:</span> <span class="nx">i</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="p">(</span><span class="nx">results</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="o">?</span> <span class="nx">results</span> <span class="o">:</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Removes all listeners registered by pe.event. Called </span>
<span class="cm"> * automatically during the unload event.</span>
<span class="cm"> * @method _unload</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_unload</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">EU</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span><span class="p">,</span> <span class="nx">i</span><span class="p">,</span> <span class="nx">j</span><span class="p">,</span> <span class="nx">l</span><span class="p">,</span> <span class="nx">len</span><span class="p">,</span> <span class="nx">index</span><span class="p">,</span>
<span class="nx">ul</span> <span class="o">=</span> <span class="nx">unloadListeners</span><span class="p">.</span><span class="nx">slice</span><span class="p">(),</span> <span class="nx">context</span><span class="p">;</span>
<span class="c1">// execute and clear stored unload listeners</span>
<span class="k">for</span> <span class="p">(</span><span class="nx">i</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="nx">len</span><span class="o">=</span><span class="nx">unloadListeners</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">&lt;</span><span class="nx">len</span><span class="p">;</span> <span class="o">++</span><span class="nx">i</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">l</span> <span class="o">=</span> <span class="nx">ul</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">l</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">context</span> <span class="o">=</span> <span class="nb">window</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">l</span><span class="p">[</span><span class="nx">EU</span><span class="p">.</span><span class="nx">ADJ_SCOPE</span><span class="p">])</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">l</span><span class="p">[</span><span class="nx">EU</span><span class="p">.</span><span class="nx">ADJ_SCOPE</span><span class="p">]</span> <span class="o">===</span> <span class="kc">true</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">context</span> <span class="o">=</span> <span class="nx">l</span><span class="p">[</span><span class="nx">EU</span><span class="p">.</span><span class="nx">UNLOAD_OBJ</span><span class="p">];</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">context</span> <span class="o">=</span> <span class="nx">l</span><span class="p">[</span><span class="nx">EU</span><span class="p">.</span><span class="nx">ADJ_SCOPE</span><span class="p">];</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="nx">l</span><span class="p">[</span><span class="nx">EU</span><span class="p">.</span><span class="nx">FN</span><span class="p">].</span><span class="nx">call</span><span class="p">(</span><span class="nx">context</span><span class="p">,</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">getEvent</span><span class="p">(</span><span class="nx">e</span><span class="p">,</span> <span class="nx">l</span><span class="p">[</span><span class="nx">EU</span><span class="p">.</span><span class="nx">EL</span><span class="p">]),</span> <span class="nx">l</span><span class="p">[</span><span class="nx">EU</span><span class="p">.</span><span class="nx">UNLOAD_OBJ</span><span class="p">]</span> <span class="p">);</span>
<span class="nx">ul</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="nx">l</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="nx">context</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="nx">unloadListeners</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="c1">// Remove listeners to handle IE memory leaks</span>
<span class="c1">// 2.5.0 listeners are removed for all browsers again. FireFox preserves</span>
<span class="c1">// at least some listeners between page refreshes, potentially causing</span>
<span class="c1">// errors during page load (mouseover listeners firing before they</span>
<span class="c1">// should if the user moves the mouse at the correct moment).</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">listeners</span><span class="p">)</span> <span class="p">{</span>
<span class="k">for</span> <span class="p">(</span><span class="nx">j</span><span class="o">=</span><span class="nx">listeners</span><span class="p">.</span><span class="nx">length</span><span class="o">-</span><span class="mi">1</span><span class="p">;</span> <span class="nx">j</span><span class="o">&gt;-</span><span class="mi">1</span><span class="p">;</span> <span class="nx">j</span><span class="o">--</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">l</span> <span class="o">=</span> <span class="nx">listeners</span><span class="p">[</span><span class="nx">j</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">l</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">removeListener</span><span class="p">(</span><span class="nx">l</span><span class="p">[</span><span class="nx">EU</span><span class="p">.</span><span class="nx">EL</span><span class="p">],</span> <span class="nx">l</span><span class="p">[</span><span class="nx">EU</span><span class="p">.</span><span class="nx">TYPE</span><span class="p">],</span> <span class="nx">l</span><span class="p">[</span><span class="nx">EU</span><span class="p">.</span><span class="nx">FN</span><span class="p">],</span> <span class="nx">j</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="nx">l</span><span class="o">=</span><span class="kc">null</span><span class="p">;</span>
<span class="p">}</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_simpleRemove</span><span class="p">(</span><span class="nb">window</span><span class="p">,</span> <span class="s2">&quot;unload&quot;</span><span class="p">,</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">_unload</span><span class="p">);</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns scrollLeft</span>
<span class="cm"> * @method _getScrollLeft</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_getScrollLeft</span><span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">_getScroll</span><span class="p">()[</span><span class="mi">1</span><span class="p">];</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns scrollTop</span>
<span class="cm"> * @method _getScrollTop</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_getScrollTop</span><span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">_getScroll</span><span class="p">()[</span><span class="mi">0</span><span class="p">];</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Returns the scrollTop and scrollLeft. Used to calculate the </span>
<span class="cm"> * pageX and pageY in Internet Explorer</span>
<span class="cm"> * @method _getScroll</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_getScroll</span><span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">dd</span> <span class="o">=</span> <span class="nb">document</span><span class="p">.</span><span class="nx">documentElement</span><span class="p">,</span> <span class="nx">db</span> <span class="o">=</span> <span class="nb">document</span><span class="p">.</span><span class="nx">body</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">dd</span> <span class="o">&amp;&amp;</span> <span class="p">(</span><span class="nx">dd</span><span class="p">.</span><span class="nx">scrollTop</span> <span class="o">||</span> <span class="nx">dd</span><span class="p">.</span><span class="nx">scrollLeft</span><span class="p">))</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">[</span><span class="nx">dd</span><span class="p">.</span><span class="nx">scrollTop</span><span class="p">,</span> <span class="nx">dd</span><span class="p">.</span><span class="nx">scrollLeft</span><span class="p">];</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">db</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">[</span><span class="nx">db</span><span class="p">.</span><span class="nx">scrollTop</span><span class="p">,</span> <span class="nx">db</span><span class="p">.</span><span class="nx">scrollLeft</span><span class="p">];</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">];</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="cm">/**</span>
<span class="cm"> * Used by old versions of CustomEvent, restored for backwards</span>
<span class="cm"> * compatibility</span>
<span class="cm"> * @method regCE</span>
<span class="cm"> * @private</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated still here for backwards compatibility</span>
<span class="cm"> */</span>
<span class="nx">regCE</span><span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{},</span>
<span class="cm">/**</span>
<span class="cm"> * Adds a DOM event directly without the caching, cleanup, context adj, etc</span>
<span class="cm"> *</span>
<span class="cm"> * @method _simpleAdd</span>
<span class="cm"> * @param {HTMLElement} el the element to bind the handler to</span>
<span class="cm"> * @param {string} sType the type of event handler</span>
<span class="cm"> * @param {function} fn the callback to invoke</span>
<span class="cm"> * @param {boolen} capture capture or bubble phase</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_simpleAdd</span><span class="o">:</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nb">window</span><span class="p">.</span><span class="nx">addEventListener</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kd">function</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">capture</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">el</span><span class="p">.</span><span class="nx">addEventListener</span><span class="p">(</span><span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="p">(</span><span class="nx">capture</span><span class="p">));</span>
<span class="p">};</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nb">window</span><span class="p">.</span><span class="nx">attachEvent</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kd">function</span><span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">capture</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">el</span><span class="p">.</span><span class="nx">attachEvent</span><span class="p">(</span><span class="s2">&quot;on&quot;</span> <span class="o">+</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">);</span>
<span class="p">};</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">return</span> <span class="kd">function</span><span class="p">(){};</span>
<span class="p">}</span>
<span class="p">}(),</span>
<span class="cm">/**</span>
<span class="cm"> * Basic remove listener</span>
<span class="cm"> *</span>
<span class="cm"> * @method _simpleRemove</span>
<span class="cm"> * @param {HTMLElement} el the element to bind the handler to</span>
<span class="cm"> * @param {string} sType the type of event handler</span>
<span class="cm"> * @param {function} fn the callback to invoke</span>
<span class="cm"> * @param {boolen} capture capture or bubble phase</span>
<span class="cm"> * @static</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">_simpleRemove</span><span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nb">window</span><span class="p">.</span><span class="nx">removeEventListener</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="nx">capture</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">el</span><span class="p">.</span><span class="nx">removeEventListener</span><span class="p">(</span><span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">,</span> <span class="p">(</span><span class="nx">capture</span><span class="p">));</span>
<span class="p">};</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nb">window</span><span class="p">.</span><span class="nx">detachEvent</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">el</span><span class="p">.</span><span class="nx">detachEvent</span><span class="p">(</span><span class="s2">&quot;on&quot;</span> <span class="o">+</span> <span class="nx">sType</span><span class="p">,</span> <span class="nx">fn</span><span class="p">);</span>
<span class="p">};</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">return</span> <span class="kd">function</span><span class="p">(){};</span>
<span class="p">}</span>
<span class="p">}()</span>
<span class="p">};</span>
<span class="p">}();</span>
<span class="p">(</span><span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">EU</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span><span class="p">;</span>
<span class="cm">/**</span>
<span class="cm"> * YAHOO.util.Event.on is an alias for addListener</span>
<span class="cm"> * @method on</span>
<span class="cm"> * @see addListener</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">on</span> <span class="o">=</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">addListener</span><span class="p">;</span>
<span class="cm">/**</span>
<span class="cm"> * YAHOO.util.Event.onFocus is an alias for addFocusListener</span>
<span class="cm"> * @method onFocus</span>
<span class="cm"> * @see addFocusListener</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated use YAHOO.util.Event.on and specify &quot;focusin&quot; as the event type.</span>
<span class="cm"> */</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">onFocus</span> <span class="o">=</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">addFocusListener</span><span class="p">;</span>
<span class="cm">/**</span>
<span class="cm"> * YAHOO.util.Event.onBlur is an alias for addBlurListener</span>
<span class="cm"> * @method onBlur</span>
<span class="cm"> * @see addBlurListener</span>
<span class="cm"> * @static</span>
<span class="cm"> * @deprecated use YAHOO.util.Event.on and specify &quot;focusout&quot; as the event type.</span>
<span class="cm"> */</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">onBlur</span> <span class="o">=</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">addBlurListener</span><span class="p">;</span>
<span class="cm">/*! DOMReady: based on work by: Dean Edwards/John Resig/Matthias Miller/Diego Perini */</span>
<span class="c1">// Internet Explorer: use the readyState of a defered script.</span>
<span class="c1">// This isolates what appears to be a safe moment to manipulate</span>
<span class="c1">// the DOM prior to when the document&#39;s readyState suggests</span>
<span class="c1">// it is safe to do so.</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">EU</span><span class="p">.</span><span class="nx">isIE</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">self</span> <span class="o">!==</span> <span class="nx">self</span><span class="p">.</span><span class="nx">top</span><span class="p">)</span> <span class="p">{</span>
<span class="nb">document</span><span class="p">.</span><span class="nx">onreadystatechange</span> <span class="o">=</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">readyState</span> <span class="o">==</span> <span class="s1">&#39;complete&#39;</span><span class="p">)</span> <span class="p">{</span>
<span class="nb">document</span><span class="p">.</span><span class="nx">onreadystatechange</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_ready</span><span class="p">();</span>
<span class="p">}</span>
<span class="p">};</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="c1">// Process onAvailable/onContentReady items when the </span>
<span class="c1">// DOM is ready.</span>
<span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span><span class="p">.</span><span class="nx">onDOMReady</span><span class="p">(</span>
<span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span><span class="p">.</span><span class="nx">_tryPreloadAttach</span><span class="p">,</span>
<span class="nx">YAHOO</span><span class="p">.</span><span class="nx">util</span><span class="p">.</span><span class="nx">Event</span><span class="p">,</span> <span class="kc">true</span><span class="p">);</span>
<span class="kd">var</span> <span class="nx">n</span> <span class="o">=</span> <span class="nb">document</span><span class="p">.</span><span class="nx">createElement</span><span class="p">(</span><span class="s1">&#39;p&#39;</span><span class="p">);</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_dri</span> <span class="o">=</span> <span class="nx">setInterval</span><span class="p">(</span><span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">try</span> <span class="p">{</span>
<span class="c1">// throws an error if doc is not ready</span>
<span class="nx">n</span><span class="p">.</span><span class="nx">doScroll</span><span class="p">(</span><span class="s1">&#39;left&#39;</span><span class="p">);</span>
<span class="nx">clearInterval</span><span class="p">(</span><span class="nx">EU</span><span class="p">.</span><span class="nx">_dri</span><span class="p">);</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_dri</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_ready</span><span class="p">();</span>
<span class="nx">n</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">}</span> <span class="k">catch</span> <span class="p">(</span><span class="nx">ex</span><span class="p">)</span> <span class="p">{</span>
<span class="p">}</span>
<span class="p">},</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">POLL_INTERVAL</span><span class="p">);</span>
<span class="p">}</span>
<span class="c1">// The document&#39;s readyState in Safari currently will</span>
<span class="c1">// change to loaded/complete before images are loaded.</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">EU</span><span class="p">.</span><span class="nx">webkit</span> <span class="o">&amp;&amp;</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">webkit</span> <span class="o">&lt;</span> <span class="mi">525</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_dri</span> <span class="o">=</span> <span class="nx">setInterval</span><span class="p">(</span><span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">rs</span><span class="o">=</span><span class="nb">document</span><span class="p">.</span><span class="nx">readyState</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="s2">&quot;loaded&quot;</span> <span class="o">==</span> <span class="nx">rs</span> <span class="o">||</span> <span class="s2">&quot;complete&quot;</span> <span class="o">==</span> <span class="nx">rs</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">clearInterval</span><span class="p">(</span><span class="nx">EU</span><span class="p">.</span><span class="nx">_dri</span><span class="p">);</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_dri</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_ready</span><span class="p">();</span>
<span class="p">}</span>
<span class="p">},</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">POLL_INTERVAL</span><span class="p">);</span>
<span class="c1">// FireFox and Opera: These browsers provide a event for this</span>
<span class="c1">// moment. The latest WebKit releases now support this event.</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_simpleAdd</span><span class="p">(</span><span class="nb">document</span><span class="p">,</span> <span class="s2">&quot;DOMContentLoaded&quot;</span><span class="p">,</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">_ready</span><span class="p">);</span>
<span class="p">}</span>
<span class="c1">/////////////////////////////////////////////////////////////</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_simpleAdd</span><span class="p">(</span><span class="nb">window</span><span class="p">,</span> <span class="s2">&quot;load&quot;</span><span class="p">,</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">_load</span><span class="p">);</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_simpleAdd</span><span class="p">(</span><span class="nb">window</span><span class="p">,</span> <span class="s2">&quot;unload&quot;</span><span class="p">,</span> <span class="nx">EU</span><span class="p">.</span><span class="nx">_unload</span><span class="p">);</span>
<span class="nx">EU</span><span class="p">.</span><span class="nx">_tryPreloadAttach</span><span class="p">();</span>
<span class="p">})();</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
</div>
<div class="yui-b">
<div class="nav">
<div id="moduleList" class="module">
<h4>Modules</h4>
<ul class="content">
<li class=""><a href="module_animation.html" title="animation">animation</a></li>
<li class=""><a href="module_autocomplete.html" title="autocomplete">autocomplete</a></li>
<li class=""><a href="module_button.html" title="button">button</a></li>
<li class=""><a href="module_calendar.html" title="calendar">calendar</a></li>
<li class=""><a href="module_carousel.html" title="carousel">carousel</a></li>
<li class=""><a href="module_charts.html" title="charts">charts</a></li>
<li class=""><a href="module_colorpicker.html" title="colorpicker">colorpicker</a></li>
<li class=""><a href="module_connection.html" title="connection">connection</a></li>
<li class=""><a href="module_container.html" title="container">container</a></li>
<li class=""><a href="module_cookie.html" title="cookie">cookie</a></li>
<li class=""><a href="module_datasource.html" title="datasource">datasource</a></li>
<li class=""><a href="module_datatable.html" title="datatable">datatable</a></li>
<li class=""><a href="module_datemath.html" title="datemath">datemath</a></li>
<li class=""><a href="module_dom.html" title="dom">dom</a></li>
<li class=""><a href="module_dragdrop.html" title="dragdrop">dragdrop</a></li>
<li class=""><a href="module_editor.html" title="editor">editor</a></li>
<li class=""><a href="module_element.html" title="element">element</a></li>
<li class=""><a href="module_element-delegate.html" title="element-delegate">element-delegate</a></li>
<li class="selected"><a href="module_event.html" title="event">event</a></li>
<li class=""><a href="module_event-delegate.html" title="event-delegate">event-delegate</a></li>
<li class=""><a href="module_event-mouseenter.html" title="event-mouseenter">event-mouseenter</a></li>
<li class=""><a href="module_event-simulate.html" title="event-simulate">event-simulate</a></li>
<li class=""><a href="module_get.html" title="get">get</a></li>
<li class=""><a href="module_history.html" title="history">history</a></li>
<li class=""><a href="module_imagecropper.html" title="imagecropper">imagecropper</a></li>
<li class=""><a href="module_imageloader.html" title="imageloader">imageloader</a></li>
<li class=""><a href="module_json.html" title="json">json</a></li>
<li class=""><a href="module_layout.html" title="layout">layout</a></li>
<li class=""><a href="module_logger.html" title="logger">logger</a></li>
<li class=""><a href="module_menu.html" title="menu">menu</a></li>
<li class=""><a href="module_paginator.html" title="paginator">paginator</a></li>
<li class=""><a href="module_profiler.html" title="profiler">profiler</a></li>
<li class=""><a href="module_profilerviewer.html" title="profilerviewer">profilerviewer</a></li>
<li class=""><a href="module_progressbar.html" title="progressbar">progressbar</a></li>
<li class=""><a href="module_resize.html" title="resize">resize</a></li>
<li class=""><a href="module_selector.html" title="selector">selector</a></li>
<li class=""><a href="module_slider.html" title="slider">slider</a></li>
<li class=""><a href="module_storage.html" title="Storage">Storage</a></li>
<li class=""><a href="module_stylesheet.html" title="stylesheet">stylesheet</a></li>
<li class=""><a href="module_swf.html" title="swf">swf</a></li>
<li class=""><a href="module_swfdetect.html" title="swfdetect">swfdetect</a></li>
<li class=""><a href="module_swfstore.html" title="swfstore">swfstore</a></li>
<li class=""><a href="module_tabview.html" title="tabview">tabview</a></li>
<li class=""><a href="module_treeview.html" title="treeview">treeview</a></li>
<li class=""><a href="module_uploader.html" title="uploader">uploader</a></li>
<li class=""><a href="module_yahoo.html" title="yahoo">yahoo</a></li>
<li class=""><a href="module_yuiloader.html" title="yuiloader">yuiloader</a></li>
<li class=""><a href="module_yuitest.html" title="yuitest">yuitest</a></li>
</ul>
</div>
<div id="classList" class="module">
<h4>Classes</h4>
<ul class="content">
<li class=""><a href="YAHOO.util.CustomEvent.html" title="YAHOO.util.CustomEvent">YAHOO.util.CustomEvent</a></li>
<li class=""><a href="YAHOO.util.Event.html" title="YAHOO.util.Event">YAHOO.util.Event</a></li>
<li class=""><a href="YAHOO.util.EventProvider.html" title="YAHOO.util.EventProvider">YAHOO.util.EventProvider</a></li>
<li class=""><a href="YAHOO.util.KeyListener.html" title="YAHOO.util.KeyListener">YAHOO.util.KeyListener</a></li>
<li class=""><a href="YAHOO.util.Subscriber.html" title="YAHOO.util.Subscriber">YAHOO.util.Subscriber</a></li>
</ul>
</div>
<div id="fileList" class="module">
<h4>Files</h4>
<ul class="content">
<li class=""><a href="CustomEvent.js.html" title="CustomEvent.js">CustomEvent.js</a></li>
<li class="selected"><a href="Event.js.html" title="Event.js">Event.js</a></li>
<li class=""><a href="EventProvider.js.html" title="EventProvider.js">EventProvider.js</a></li>
<li class=""><a href="KeyListener.js.html" title="KeyListener.js">KeyListener.js</a></li>
</ul>
</div>
</div>
</div>
</div>
<div id="ft">
<hr />
Copyright &copy; 2010 Yahoo! Inc. All rights reserved.
</div>
</div>
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