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TreeView.js.html
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TreeView.js.html
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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#">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>API: treeview TreeView.js (YUI Library)</title>
<link rel="stylesheet" type="text/css" href="assets/reset-fonts-grids-min.css" />
<link rel="stylesheet" type="text/css" href="assets/api.css" />
<script type="text/javascript" src="assets/api-js"></script>
<script type="text/javascript" src="assets/ac-js"></script>
</head>
<body id="yahoo-com">
<div id="doc3" class="yui-t2">
<div id="hd">
<h1><a href="http://developer.yahoo.com/yui/" title="Yahoo! UI Library">Yahoo! UI Library</a></h1>
<h3>TreeView Widget <span class="subtitle">2.7.0</span></h3>
<a href="./index.html" title="Yahoo! UI Library">Yahoo! UI Library</a>
> <a href="./module_treeview.html" title="treeview">treeview</a>
> TreeView.js (source view)
<form onsubmit="return false">
<div id="propertysearch">
Search: <input autocomplete="off" id="searchinput" />
<div id="searchresults">
</div>
</div>
</form>
</div>
<div id="bd">
<div id="yui-main">
<div class="yui-b">
<form action="#" name="yui-classopts-form" method="get" id="yui-classopts-form">
<fieldset>
<legend>Filters</legend>
<span class="classopts"><input type="checkbox" name="show_private" id="show_private" /> <label for="show_private">Show Private</label></span>
<span class="classopts"><input type="checkbox" name="show_protected" id="show_protected" /> <label for="show_protected">Show Protected</label></span>
<span class="classopts"><input type="checkbox" name="show_deprecated" id="show_deprecated" /> <label for="show_deprecated">Show Deprecated</label></span>
</fieldset>
</form>
<div id="srcout">
<style>
#doc3 .classopts { display:none; }
</style>
<div class="highlight" ><pre><span class="o">(</span><span class="k">function</span> <span class="o">()</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">Dom</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">Dom</span><span class="o">,</span>
<span class="nx">Event</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">Event</span><span class="o">,</span>
<span class="nx">Lang</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">lang</span><span class="o">,</span>
<span class="nx">Widget</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">widget</span><span class="o">;</span>
<span class="c">/**</span>
<span class="c"> * The treeview widget is a generic tree building tool.</span>
<span class="c"> * @module treeview</span>
<span class="c"> * @title TreeView Widget</span>
<span class="c"> * @requires yahoo, event</span>
<span class="c"> * @optional animation, json</span>
<span class="c"> * @namespace YAHOO.widget</span>
<span class="c"> */</span>
<span class="c">/**</span>
<span class="c"> * Contains the tree view state data and the root node.</span>
<span class="c"> *</span>
<span class="c"> * @class TreeView</span>
<span class="c"> * @uses YAHOO.util.EventProvider</span>
<span class="c"> * @constructor</span>
<span class="c"> * @param {string|HTMLElement} id The id of the element, or the element itself that the tree will be inserted into. Existing markup in this element, if valid, will be used to build the tree</span>
<span class="c"> * @param {Array|object|string} oConfig (optional) An array containing the definition of the tree. (see buildTreeFromObject)</span>
<span class="c"> * </span>
<span class="c"> */</span>
<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">widget</span><span class="o">.</span><span class="nx">TreeView</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">id</span><span class="o">,</span> <span class="nx">oConfig</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">id</span><span class="o">)</span> <span class="o">{</span> <span class="k">this</span><span class="o">.</span><span class="nx">init</span><span class="o">(</span><span class="nx">id</span><span class="o">);</span> <span class="o">}</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">oConfig</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(!</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isArray</span><span class="o">(</span><span class="nx">oConfig</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">oConfig</span> <span class="o">=</span> <span class="o">[</span><span class="nx">oConfig</span><span class="o">];</span>
<span class="o">}</span>
<span class="k">this</span><span class="o">.</span><span class="nx">buildTreeFromObject</span><span class="o">(</span><span class="nx">oConfig</span><span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">trim</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_el</span><span class="o">.</span><span class="nx">innerHTML</span><span class="o">))</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">buildTreeFromMarkup</span><span class="o">(</span><span class="nx">id</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">};</span>
<span class="k">var</span> <span class="nx">TV</span> <span class="o">=</span> <span class="nx">Widget</span><span class="o">.</span><span class="nx">TreeView</span><span class="o">;</span>
<span class="nx">TV</span><span class="o">.</span><span class="nx">prototype</span> <span class="o">=</span> <span class="o">{</span>
<span class="c">/**</span>
<span class="c"> * The id of tree container element</span>
<span class="c"> * @property id</span>
<span class="c"> * @type String</span>
<span class="c"> */</span>
<span class="nx">id</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * The host element for this tree</span>
<span class="c"> * @property _el</span>
<span class="c"> * @private</span>
<span class="c"> * @type HTMLelement</span>
<span class="c"> */</span>
<span class="nx">_el</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * Flat collection of all nodes in this tree. This is a sparse</span>
<span class="c"> * array, so the length property can't be relied upon for a</span>
<span class="c"> * node count for the tree.</span>
<span class="c"> * @property _nodes</span>
<span class="c"> * @type Node[]</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_nodes</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * We lock the tree control while waiting for the dynamic loader to return</span>
<span class="c"> * @property locked</span>
<span class="c"> * @type boolean</span>
<span class="c"> */</span>
<span class="nx">locked</span><span class="o">:</span> <span class="kc">false</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * The animation to use for expanding children, if any</span>
<span class="c"> * @property _expandAnim</span>
<span class="c"> * @type string</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_expandAnim</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * The animation to use for collapsing children, if any</span>
<span class="c"> * @property _collapseAnim</span>
<span class="c"> * @type string</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_collapseAnim</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * The current number of animations that are executing</span>
<span class="c"> * @property _animCount</span>
<span class="c"> * @type int</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_animCount</span><span class="o">:</span> <span class="m">0</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * The maximum number of animations to run at one time.</span>
<span class="c"> * @property maxAnim</span>
<span class="c"> * @type int</span>
<span class="c"> */</span>
<span class="nx">maxAnim</span><span class="o">:</span> <span class="m">2</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * Whether there is any subscriber to dblClickEvent</span>
<span class="c"> * @property _hasDblClickSubscriber</span>
<span class="c"> * @type boolean</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_hasDblClickSubscriber</span><span class="o">:</span> <span class="kc">false</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * Stores the timer used to check for double clicks</span>
<span class="c"> * @property _dblClickTimer</span>
<span class="c"> * @type window.timer object</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_dblClickTimer</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * A reference to the Node currently having the focus or null if none.</span>
<span class="c"> * @property currentFocus</span>
<span class="c"> * @type YAHOO.widget.Node</span>
<span class="c"> */</span>
<span class="nx">currentFocus</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * If true, only one Node can be highlighted at a time</span>
<span class="c"> * @property singleNodeHighlight</span>
<span class="c"> * @type boolean</span>
<span class="c"> * @default false</span>
<span class="c"> */</span>
<span class="nx">singleNodeHighlight</span><span class="o">:</span> <span class="kc">false</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * A reference to the Node that is currently highlighted.</span>
<span class="c"> * It is only meaningful if singleNodeHighlight is enabled</span>
<span class="c"> * @property _currentlyHighlighted</span>
<span class="c"> * @type YAHOO.widget.Node</span>
<span class="c"> * @default null</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_currentlyHighlighted</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * Sets up the animation for expanding children</span>
<span class="c"> * @method setExpandAnim</span>
<span class="c"> * @param {string} type the type of animation (acceptable values defined </span>
<span class="c"> * in YAHOO.widget.TVAnim)</span>
<span class="c"> */</span>
<span class="nx">setExpandAnim</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_expandAnim</span> <span class="o">=</span> <span class="o">(</span><span class="nx">Widget</span><span class="o">.</span><span class="nx">TVAnim</span><span class="o">.</span><span class="nx">isValid</span><span class="o">(</span><span class="nx">type</span><span class="o">))</span> <span class="o">?</span> <span class="nx">type</span> <span class="o">:</span> <span class="kc">null</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Sets up the animation for collapsing children</span>
<span class="c"> * @method setCollapseAnim</span>
<span class="c"> * @param {string} the type of animation (acceptable values defined in </span>
<span class="c"> * YAHOO.widget.TVAnim)</span>
<span class="c"> */</span>
<span class="nx">setCollapseAnim</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_collapseAnim</span> <span class="o">=</span> <span class="o">(</span><span class="nx">Widget</span><span class="o">.</span><span class="nx">TVAnim</span><span class="o">.</span><span class="nx">isValid</span><span class="o">(</span><span class="nx">type</span><span class="o">))</span> <span class="o">?</span> <span class="nx">type</span> <span class="o">:</span> <span class="kc">null</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Perform the expand animation if configured, or just show the</span>
<span class="c"> * element if not configured or too many animations are in progress</span>
<span class="c"> * @method animateExpand</span>
<span class="c"> * @param el {HTMLElement} the element to animate</span>
<span class="c"> * @param node {YAHOO.util.Node} the node that was expanded</span>
<span class="c"> * @return {boolean} true if animation could be invoked, false otherwise</span>
<span class="c"> */</span>
<span class="nx">animateExpand</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">el</span><span class="o">,</span> <span class="nx">node</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s2">"animating expand"</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_expandAnim</span> <span class="o">&&</span> <span class="k">this</span><span class="o">.</span><span class="nx">_animCount</span> <span class="o"><</span> <span class="k">this</span><span class="o">.</span><span class="nx">maxAnim</span><span class="o">)</span> <span class="o">{</span>
<span class="c">// this.locked = true;</span>
<span class="c"></span> <span class="k">var</span> <span class="nx">tree</span> <span class="o">=</span> <span class="k">this</span><span class="o">;</span>
<span class="k">var</span> <span class="nx">a</span> <span class="o">=</span> <span class="nx">Widget</span><span class="o">.</span><span class="nx">TVAnim</span><span class="o">.</span><span class="nx">getAnim</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_expandAnim</span><span class="o">,</span> <span class="nx">el</span><span class="o">,</span>
<span class="k">function</span><span class="o">()</span> <span class="o">{</span> <span class="nx">tree</span><span class="o">.</span><span class="nx">expandComplete</span><span class="o">(</span><span class="nx">node</span><span class="o">);</span> <span class="o">});</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">a</span><span class="o">)</span> <span class="o">{</span>
<span class="o">++</span><span class="k">this</span><span class="o">.</span><span class="nx">_animCount</span><span class="o">;</span>
<span class="k">this</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="s2">"animStart"</span><span class="o">,</span> <span class="o">{</span>
<span class="s2">"node"</span><span class="o">:</span> <span class="nx">node</span><span class="o">,</span>
<span class="s2">"type"</span><span class="o">:</span> <span class="s2">"expand"</span>
<span class="o">});</span>
<span class="nx">a</span><span class="o">.</span><span class="nx">animate</span><span class="o">();</span>
<span class="o">}</span>
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span>
<span class="o">}</span>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Perform the collapse animation if configured, or just show the</span>
<span class="c"> * element if not configured or too many animations are in progress</span>
<span class="c"> * @method animateCollapse</span>
<span class="c"> * @param el {HTMLElement} the element to animate</span>
<span class="c"> * @param node {YAHOO.util.Node} the node that was expanded</span>
<span class="c"> * @return {boolean} true if animation could be invoked, false otherwise</span>
<span class="c"> */</span>
<span class="nx">animateCollapse</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">el</span><span class="o">,</span> <span class="nx">node</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s2">"animating collapse"</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_collapseAnim</span> <span class="o">&&</span> <span class="k">this</span><span class="o">.</span><span class="nx">_animCount</span> <span class="o"><</span> <span class="k">this</span><span class="o">.</span><span class="nx">maxAnim</span><span class="o">)</span> <span class="o">{</span>
<span class="c">// this.locked = true;</span>
<span class="c"></span> <span class="k">var</span> <span class="nx">tree</span> <span class="o">=</span> <span class="k">this</span><span class="o">;</span>
<span class="k">var</span> <span class="nx">a</span> <span class="o">=</span> <span class="nx">Widget</span><span class="o">.</span><span class="nx">TVAnim</span><span class="o">.</span><span class="nx">getAnim</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_collapseAnim</span><span class="o">,</span> <span class="nx">el</span><span class="o">,</span>
<span class="k">function</span><span class="o">()</span> <span class="o">{</span> <span class="nx">tree</span><span class="o">.</span><span class="nx">collapseComplete</span><span class="o">(</span><span class="nx">node</span><span class="o">);</span> <span class="o">});</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">a</span><span class="o">)</span> <span class="o">{</span>
<span class="o">++</span><span class="k">this</span><span class="o">.</span><span class="nx">_animCount</span><span class="o">;</span>
<span class="k">this</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="s2">"animStart"</span><span class="o">,</span> <span class="o">{</span>
<span class="s2">"node"</span><span class="o">:</span> <span class="nx">node</span><span class="o">,</span>
<span class="s2">"type"</span><span class="o">:</span> <span class="s2">"collapse"</span>
<span class="o">});</span>
<span class="nx">a</span><span class="o">.</span><span class="nx">animate</span><span class="o">();</span>
<span class="o">}</span>
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span>
<span class="o">}</span>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Function executed when the expand animation completes</span>
<span class="c"> * @method expandComplete</span>
<span class="c"> */</span>
<span class="nx">expandComplete</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s2">"expand complete: "</span> <span class="o">+</span> <span class="k">this</span><span class="o">.</span><span class="nx">id</span><span class="o">);</span>
<span class="o">--</span><span class="k">this</span><span class="o">.</span><span class="nx">_animCount</span><span class="o">;</span>
<span class="k">this</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="s2">"animComplete"</span><span class="o">,</span> <span class="o">{</span>
<span class="s2">"node"</span><span class="o">:</span> <span class="nx">node</span><span class="o">,</span>
<span class="s2">"type"</span><span class="o">:</span> <span class="s2">"expand"</span>
<span class="o">});</span>
<span class="c">// this.locked = false;</span>
<span class="c"></span> <span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Function executed when the collapse animation completes</span>
<span class="c"> * @method collapseComplete</span>
<span class="c"> */</span>
<span class="nx">collapseComplete</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s2">"collapse complete: "</span> <span class="o">+</span> <span class="k">this</span><span class="o">.</span><span class="nx">id</span><span class="o">);</span>
<span class="o">--</span><span class="k">this</span><span class="o">.</span><span class="nx">_animCount</span><span class="o">;</span>
<span class="k">this</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="s2">"animComplete"</span><span class="o">,</span> <span class="o">{</span>
<span class="s2">"node"</span><span class="o">:</span> <span class="nx">node</span><span class="o">,</span>
<span class="s2">"type"</span><span class="o">:</span> <span class="s2">"collapse"</span>
<span class="o">});</span>
<span class="c">// this.locked = false;</span>
<span class="c"></span> <span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Initializes the tree</span>
<span class="c"> * @method init</span>
<span class="c"> * @parm {string|HTMLElement} id the id of the element that will hold the tree</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">init</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">id</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_el</span> <span class="o">=</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">id</span><span class="o">);</span>
<span class="k">this</span><span class="o">.</span><span class="nx">id</span> <span class="o">=</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">generateId</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_el</span><span class="o">,</span><span class="s2">"yui-tv-auto-id-"</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * When animation is enabled, this event fires when the animation</span>
<span class="c"> * starts</span>
<span class="c"> * @event animStart</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param {YAHOO.widget.Node} node the node that is expanding/collapsing</span>
<span class="c"> * @parm {String} type the type of animation ("expand" or "collapse")</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"animStart"</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * When animation is enabled, this event fires when the animation</span>
<span class="c"> * completes</span>
<span class="c"> * @event animComplete</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param {YAHOO.widget.Node} node the node that is expanding/collapsing</span>
<span class="c"> * @parm {String} type the type of animation ("expand" or "collapse")</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"animComplete"</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * Fires when a node is going to be collapsed. Return false to stop</span>
<span class="c"> * the collapse.</span>
<span class="c"> * @event collapse</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param {YAHOO.widget.Node} node the node that is collapsing</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"collapse"</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * Fires after a node is successfully collapsed. This event will not fire</span>
<span class="c"> * if the "collapse" event was cancelled.</span>
<span class="c"> * @event collapseComplete</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param {YAHOO.widget.Node} node the node that was collapsed</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"collapseComplete"</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * Fires when a node is going to be expanded. Return false to stop</span>
<span class="c"> * the collapse.</span>
<span class="c"> * @event expand</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param {YAHOO.widget.Node} node the node that is expanding</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"expand"</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * Fires after a node is successfully expanded. This event will not fire</span>
<span class="c"> * if the "expand" event was cancelled.</span>
<span class="c"> * @event expandComplete</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param {YAHOO.widget.Node} node the node that was expanded</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"expandComplete"</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * Fires when the Enter key is pressed on a node that has the focus</span>
<span class="c"> * @event enterKeyPressed</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param {YAHOO.widget.Node} node the node that has the focus</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"enterKeyPressed"</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * Fires when the label in a TextNode or MenuNode or content in an HTMLNode receives a Click.</span>
<span class="c"> * The listener may return false to cancel toggling and focusing on the node.</span>
<span class="c"> * @event clickEvent</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param oArgs.event {HTMLEvent} The event object</span>
<span class="c"> * @param oArgs.node {YAHOO.widget.Node} node the node that was clicked</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"clickEvent"</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * Fires when the focus receives the focus, when it changes from a Node </span>
<span class="c"> * to another Node or when it is completely lost (blurred)</span>
<span class="c"> * @event focusChanged</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param oArgs.oldNode {YAHOO.widget.Node} Node that had the focus or null if none</span>
<span class="c"> * @param oArgs.newNode {YAHOO.widget.Node} Node that receives the focus or null if none</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s1">'focusChanged'</span><span class="o">,</span><span class="k">this</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * Fires when the label in a TextNode or MenuNode or content in an HTMLNode receives a double Click</span>
<span class="c"> * @event dblClickEvent</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param oArgs.event {HTMLEvent} The event object</span>
<span class="c"> * @param oArgs.node {YAHOO.widget.Node} node the node that was clicked</span>
<span class="c"> */</span>
<span class="k">var</span> <span class="nx">self</span> <span class="o">=</span> <span class="k">this</span><span class="o">;</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"dblClickEvent"</span><span class="o">,</span> <span class="o">{</span>
<span class="nx">scope</span><span class="o">:</span><span class="k">this</span><span class="o">,</span>
<span class="nx">onSubscribeCallback</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
<span class="nx">self</span><span class="o">.</span><span class="nx">_hasDblClickSubscriber</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">});</span>
<span class="c">/**</span>
<span class="c"> * Custom event that is fired when the text node label is clicked. </span>
<span class="c"> * The node clicked is provided as an argument</span>
<span class="c"> *</span>
<span class="c"> * @event labelClick</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param {YAHOO.widget.Node} node the node clicked</span>
<span class="c"> * @deprecated use clickEvent or dblClickEvent</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"labelClick"</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span>
<span class="c">/**</span>
<span class="c"> * Custom event fired when the highlight of a node changes.</span>
<span class="c"> * The node that triggered the change is provided as an argument:</span>
<span class="c"> * The status of the highlight can be checked in </span>
<span class="c"> * <a href="YAHOO.widget.Node.html#property_highlightState">nodeRef.highlightState</a>.</span>
<span class="c"> * Depending on <a href="YAHOO.widget.Node.html#property_propagateHighlight">nodeRef.propagateHighlight</a>, other nodes might have changed</span>
<span class="c"> * @event highlightEvent</span>
<span class="c"> * @type CustomEvent</span>
<span class="c"> * @param node{YAHOO.widget.Node} the node that started the change in highlighting state</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="s2">"highlightEvent"</span><span class="o">,</span><span class="k">this</span><span class="o">);</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_nodes</span> <span class="o">=</span> <span class="o">[];</span>
<span class="c">// store a global reference</span>
<span class="c"></span> <span class="nx">TV</span><span class="o">.</span><span class="nx">trees</span><span class="o">[</span><span class="k">this</span><span class="o">.</span><span class="nx">id</span><span class="o">]</span> <span class="o">=</span> <span class="k">this</span><span class="o">;</span>
<span class="c">// Set up the root node</span>
<span class="c"></span> <span class="k">this</span><span class="o">.</span><span class="nx">root</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Widget</span><span class="o">.</span><span class="nx">RootNode</span><span class="o">(</span><span class="k">this</span><span class="o">);</span>
<span class="k">var</span> <span class="nx">LW</span> <span class="o">=</span> <span class="nx">Widget</span><span class="o">.</span><span class="nx">LogWriter</span><span class="o">;</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span> <span class="o">=</span> <span class="o">(</span><span class="nx">LW</span><span class="o">)</span> <span class="o">?</span> <span class="k">new</span> <span class="nx">LW</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">toString</span><span class="o">())</span> <span class="o">:</span> <span class="nx">YAHOO</span><span class="o">;</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s2">"tree init: "</span> <span class="o">+</span> <span class="k">this</span><span class="o">.</span><span class="nx">id</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_initEditor</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_initEditor</span><span class="o">();</span>
<span class="o">}</span>
<span class="c">// YAHOO.util.Event.onContentReady(this.id, this.handleAvailable, this, true);</span>
<span class="c"></span> <span class="c">// YAHOO.util.Event.on(this.id, "click", this.handleClick, this, true);</span>
<span class="c"></span> <span class="o">},</span>
<span class="c">//handleAvailable: function() {</span>
<span class="c"></span> <span class="c">//var Event = YAHOO.util.Event;</span>
<span class="c"></span> <span class="c">//Event.on(this.id, </span>
<span class="c"></span> <span class="c">//},</span>
<span class="c"></span> <span class="c">/**</span>
<span class="c"> * Builds the TreeView from an object. </span>
<span class="c"> * This is the method called by the constructor to build the tree when it has a second argument.</span>
<span class="c"> * A tree can be described by an array of objects, each object corresponding to a node.</span>
<span class="c"> * Node descriptions may contain values for any property of a node plus the following extra properties: <ul></span>
<span class="c"> * <li>type: can be one of the following:<ul></span>
<span class="c"> * <li> A shortname for a node type (<code>'text','menu','html'</code>) </li></span>
<span class="c"> * <li>The name of a Node class under YAHOO.widget (<code>'TextNode', 'MenuNode', 'DateNode'</code>, etc) </li></span>
<span class="c"> * <li>a reference to an actual class: <code>YAHOO.widget.DateNode</code></li></ul></li></span>
<span class="c"> * <li>children: an array containing further node definitions</li></ul></span>
<span class="c"> * @method buildTreeFromObject</span>
<span class="c"> * @param oConfig {Array} array containing a full description of the tree</span>
<span class="c"> * </span>
<span class="c"> */</span>
<span class="nx">buildTreeFromObject</span><span class="o">:</span> <span class="k">function</span> <span class="o">(</span><span class="nx">oConfig</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">logger</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">;</span>
<span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Building tree from object'</span><span class="o">);</span>
<span class="k">var</span> <span class="nx">build</span> <span class="o">=</span> <span class="k">function</span> <span class="o">(</span><span class="nx">parent</span><span class="o">,</span> <span class="nx">oConfig</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">i</span><span class="o">,</span> <span class="nx">item</span><span class="o">,</span> <span class="nx">node</span><span class="o">,</span> <span class="nx">children</span><span class="o">,</span> <span class="nx">type</span><span class="o">,</span> <span class="nx">NodeType</span><span class="o">,</span> <span class="nx">ThisType</span><span class="o">;</span>
<span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">;</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">oConfig</span><span class="o">.</span><span class="nx">length</span><span class="o">;</span> <span class="nx">i</span><span class="o">++)</span> <span class="o">{</span>
<span class="nx">item</span> <span class="o">=</span> <span class="nx">oConfig</span><span class="o">[</span><span class="nx">i</span><span class="o">];</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isString</span><span class="o">(</span><span class="nx">item</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">node</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Widget</span><span class="o">.</span><span class="nx">TextNode</span><span class="o">(</span><span class="nx">item</span><span class="o">,</span> <span class="nx">parent</span><span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">item</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">children</span> <span class="o">=</span> <span class="nx">item</span><span class="o">.</span><span class="nx">children</span><span class="o">;</span>
<span class="nx">delete</span> <span class="nx">item</span><span class="o">.</span><span class="nx">children</span><span class="o">;</span>
<span class="nx">type</span> <span class="o">=</span> <span class="nx">item</span><span class="o">.</span><span class="nx">type</span> <span class="o">||</span> <span class="s1">'text'</span><span class="o">;</span>
<span class="nx">delete</span> <span class="nx">item</span><span class="o">.</span><span class="nx">type</span><span class="o">;</span>
<span class="nx">switch</span> <span class="o">(</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isString</span><span class="o">(</span><span class="nx">type</span><span class="o">)</span> <span class="o">&&</span> <span class="nx">type</span><span class="o">.</span><span class="nx">toLowerCase</span><span class="o">())</span> <span class="o">{</span>
<span class="nx">case</span> <span class="s1">'text'</span><span class="o">:</span>
<span class="nx">node</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Widget</span><span class="o">.</span><span class="nx">TextNode</span><span class="o">(</span><span class="nx">item</span><span class="o">,</span> <span class="nx">parent</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="s1">'menu'</span><span class="o">:</span>
<span class="nx">node</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Widget</span><span class="o">.</span><span class="nx">MenuNode</span><span class="o">(</span><span class="nx">item</span><span class="o">,</span> <span class="nx">parent</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="s1">'html'</span><span class="o">:</span>
<span class="nx">node</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Widget</span><span class="o">.</span><span class="nx">HTMLNode</span><span class="o">(</span><span class="nx">item</span><span class="o">,</span> <span class="nx">parent</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">default</span><span class="o">:</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isString</span><span class="o">(</span><span class="nx">type</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">NodeType</span> <span class="o">=</span> <span class="nx">Widget</span><span class="o">[</span><span class="nx">type</span><span class="o">];</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">NodeType</span> <span class="o">=</span> <span class="nx">type</span><span class="o">;</span>
<span class="o">}</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">NodeType</span><span class="o">))</span> <span class="o">{</span>
<span class="k">for</span> <span class="o">(</span><span class="nx">ThisType</span> <span class="o">=</span> <span class="nx">NodeType</span><span class="o">;</span> <span class="nx">ThisType</span> <span class="o">&&</span> <span class="nx">ThisType</span> <span class="o">!==</span> <span class="nx">Widget</span><span class="o">.</span><span class="nx">Node</span><span class="o">;</span> <span class="nx">ThisType</span> <span class="o">=</span> <span class="nx">ThisType</span><span class="o">.</span><span class="nx">superclass</span><span class="o">.</span><span class="nx">constructor</span><span class="o">)</span> <span class="o">{}</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">ThisType</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">node</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">NodeType</span><span class="o">(</span><span class="nx">item</span><span class="o">,</span> <span class="nx">parent</span><span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Invalid type in node definition: '</span> <span class="o">+</span> <span class="nx">type</span><span class="o">,</span><span class="s1">'error'</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Invalid type in node definition: '</span> <span class="o">+</span> <span class="nx">type</span><span class="o">,</span><span class="s1">'error'</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">children</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">build</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span><span class="nx">children</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Invalid node definition'</span><span class="o">,</span><span class="s1">'error'</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="o">};</span>
<span class="nx">build</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">root</span><span class="o">,</span><span class="nx">oConfig</span><span class="o">);</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Builds the TreeView from existing markup. Markup should consist of &lt;UL&gt; or &lt;OL&gt; elements containing &lt;LI&gt; elements. </span>
<span class="c"> * Each &lt;LI&gt; can have one element used as label and a second optional element which is to be a &lt;UL&gt; or &lt;OL&gt;</span>
<span class="c"> * containing nested nodes.</span>
<span class="c"> * Depending on what the first element of the &lt;LI&gt; element is, the following Nodes will be created: <ul></span>
<span class="c"> * <li>plain text: a regular TextNode</li></span>
<span class="c"> * <li>anchor &lt;A&gt;: a TextNode with its <code>href</code> and <code>target</code> taken from the anchor</li></span>
<span class="c"> * <li>anything else: an HTMLNode</li></ul></span>
<span class="c"> * Only the first outermost (un-)ordered list in the markup and its children will be parsed.</span>
<span class="c"> * Nodes will be collapsed unless an &lt;LI&gt; tag has a className called 'expanded'.</span>
<span class="c"> * All other className attributes will be copied over to the Node className property.</span>
<span class="c"> * If the &lt;LI&gt; element contains an attribute called <code>yuiConfig</code>, its contents should be a JSON-encoded object</span>
<span class="c"> * as the one used in method <a href="#method_buildTreeFromObject">buildTreeFromObject</a>.</span>
<span class="c"> * @method buildTreeFromMarkup</span>
<span class="c"> * @param id{string|HTMLElement} The id of the element that contains the markup or a reference to it.</span>
<span class="c"> */</span>
<span class="nx">buildTreeFromMarkup</span><span class="o">:</span> <span class="k">function</span> <span class="o">(</span><span class="nx">id</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Building tree from existing markup'</span><span class="o">);</span>
<span class="k">var</span> <span class="nx">build</span> <span class="o">=</span> <span class="k">function</span> <span class="o">(</span><span class="nx">markup</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">el</span><span class="o">,</span> <span class="nx">child</span><span class="o">,</span> <span class="nx">branch</span> <span class="o">=</span> <span class="o">[],</span> <span class="nx">config</span> <span class="o">=</span> <span class="o">{},</span> <span class="k">label</span><span class="o">,</span> <span class="nx">yuiConfig</span><span class="o">;</span>
<span class="c">// Dom's getFirstChild and getNextSibling skip over text elements</span>
<span class="c"></span> <span class="k">for</span> <span class="o">(</span><span class="nx">el</span> <span class="o">=</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">getFirstChild</span><span class="o">(</span><span class="nx">markup</span><span class="o">);</span> <span class="nx">el</span><span class="o">;</span> <span class="nx">el</span> <span class="o">=</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">getNextSibling</span><span class="o">(</span><span class="nx">el</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">switch</span> <span class="o">(</span><span class="nx">el</span><span class="o">.</span><span class="nx">tagName</span><span class="o">.</span><span class="nx">toUpperCase</span><span class="o">())</span> <span class="o">{</span>
<span class="nx">case</span> <span class="s1">'LI'</span><span class="o">:</span>
<span class="k">label</span> <span class="o">=</span> <span class="s1">''</span><span class="o">;</span>
<span class="nx">config</span> <span class="o">=</span> <span class="o">{</span>
<span class="nx">expanded</span><span class="o">:</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">hasClass</span><span class="o">(</span><span class="nx">el</span><span class="o">,</span><span class="s1">'expanded'</span><span class="o">),</span>
<span class="nx">title</span><span class="o">:</span> <span class="nx">el</span><span class="o">.</span><span class="nx">title</span> <span class="o">||</span> <span class="nx">el</span><span class="o">.</span><span class="nx">alt</span> <span class="o">||</span> <span class="kc">null</span><span class="o">,</span>
<span class="nx">className</span><span class="o">:</span> <span class="nx">Lang</span><span class="o">.</span><span class="nx">trim</span><span class="o">(</span><span class="nx">el</span><span class="o">.</span><span class="nx">className</span><span class="o">.</span><span class="nx">replace</span><span class="o">(</span><span class="sr">/\bexpanded\b/</span><span class="o">,</span><span class="s1">''</span><span class="o">))</span> <span class="o">||</span> <span class="kc">null</span>
<span class="o">};</span>
<span class="c">// I cannot skip over text elements here because I want them for labels</span>
<span class="c"></span> <span class="nx">child</span> <span class="o">=</span> <span class="nx">el</span><span class="o">.</span><span class="nx">firstChild</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">child</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">==</span> <span class="m">3</span><span class="o">)</span> <span class="o">{</span>
<span class="c">// nodes with only whitespace, tabs and new lines don't count, they are probably just formatting.</span>
<span class="c"></span> <span class="k">label</span> <span class="o">=</span> <span class="nx">Lang</span><span class="o">.</span><span class="nx">trim</span><span class="o">(</span><span class="nx">child</span><span class="o">.</span><span class="nx">nodeValue</span><span class="o">.</span><span class="nx">replace</span><span class="o">(</span><span class="sr">/[\n\t\r]*/g</span><span class="o">,</span><span class="s1">''</span><span class="o">));</span>
<span class="k">if</span> <span class="o">(</span><span class="k">label</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">config</span><span class="o">.</span><span class="nx">type</span> <span class="o">=</span> <span class="s1">'text'</span><span class="o">;</span>
<span class="nx">config</span><span class="o">.</span><span class="k">label</span> <span class="o">=</span> <span class="k">label</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">child</span> <span class="o">=</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">getNextSibling</span><span class="o">(</span><span class="nx">child</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="k">if</span> <span class="o">(!</span><span class="k">label</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">child</span><span class="o">.</span><span class="nx">tagName</span><span class="o">.</span><span class="nx">toUpperCase</span><span class="o">()</span> <span class="o">==</span> <span class="s1">'A'</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">config</span><span class="o">.</span><span class="nx">type</span> <span class="o">=</span> <span class="s1">'text'</span><span class="o">;</span>
<span class="nx">config</span><span class="o">.</span><span class="k">label</span> <span class="o">=</span> <span class="nx">child</span><span class="o">.</span><span class="nx">innerHTML</span><span class="o">;</span>
<span class="nx">config</span><span class="o">.</span><span class="nx">href</span> <span class="o">=</span> <span class="nx">child</span><span class="o">.</span><span class="nx">href</span><span class="o">;</span>
<span class="nx">config</span><span class="o">.</span><span class="nx">target</span> <span class="o">=</span> <span class="nx">child</span><span class="o">.</span><span class="nx">target</span><span class="o">;</span>
<span class="nx">config</span><span class="o">.</span><span class="nx">title</span> <span class="o">=</span> <span class="nx">child</span><span class="o">.</span><span class="nx">title</span> <span class="o">||</span> <span class="nx">child</span><span class="o">.</span><span class="nx">alt</span> <span class="o">||</span> <span class="nx">config</span><span class="o">.</span><span class="nx">title</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">config</span><span class="o">.</span><span class="nx">type</span> <span class="o">=</span> <span class="s1">'html'</span><span class="o">;</span>
<span class="k">var</span> <span class="nx">d</span> <span class="o">=</span> <span class="nb">document</span><span class="o">.</span><span class="nx">createElement</span><span class="o">(</span><span class="s1">'div'</span><span class="o">);</span>
<span class="nx">d</span><span class="o">.</span><span class="nx">appendChild</span><span class="o">(</span><span class="nx">child</span><span class="o">.</span><span class="nx">cloneNode</span><span class="o">(</span><span class="kc">true</span><span class="o">));</span>
<span class="nx">config</span><span class="o">.</span><span class="nx">html</span> <span class="o">=</span> <span class="nx">d</span><span class="o">.</span><span class="nx">innerHTML</span><span class="o">;</span>
<span class="nx">config</span><span class="o">.</span><span class="nx">hasIcon</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="c">// see if after the label it has a further list which will become children of this node.</span>
<span class="c"></span> <span class="nx">child</span> <span class="o">=</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">getNextSibling</span><span class="o">(</span><span class="nx">child</span><span class="o">);</span>
<span class="nx">switch</span> <span class="o">(</span><span class="nx">child</span> <span class="o">&&</span> <span class="nx">child</span><span class="o">.</span><span class="nx">tagName</span><span class="o">.</span><span class="nx">toUpperCase</span><span class="o">())</span> <span class="o">{</span>
<span class="nx">case</span> <span class="s1">'UL'</span><span class="o">:</span>
<span class="nx">case</span> <span class="s1">'OL'</span><span class="o">:</span>
<span class="nx">config</span><span class="o">.</span><span class="nx">children</span> <span class="o">=</span> <span class="nx">build</span><span class="o">(</span><span class="nx">child</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="o">}</span>
<span class="c">// if there are further elements or text, it will be ignored.</span>
<span class="c"></span>
<span class="k">if</span> <span class="o">(</span><span class="nx">YAHOO</span><span class="o">.</span><span class="nx">lang</span><span class="o">.</span><span class="nx">JSON</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">yuiConfig</span> <span class="o">=</span> <span class="nx">el</span><span class="o">.</span><span class="nx">getAttribute</span><span class="o">(</span><span class="s1">'yuiConfig'</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">yuiConfig</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">yuiConfig</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">lang</span><span class="o">.</span><span class="nx">JSON</span><span class="o">.</span><span class="nx">parse</span><span class="o">(</span><span class="nx">yuiConfig</span><span class="o">);</span>
<span class="nx">config</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">lang</span><span class="o">.</span><span class="nx">merge</span><span class="o">(</span><span class="nx">config</span><span class="o">,</span><span class="nx">yuiConfig</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="nx">branch</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">config</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="s1">'UL'</span><span class="o">:</span>
<span class="nx">case</span> <span class="s1">'OL'</span><span class="o">:</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'ULs or OLs can only contain LI elements, not other UL or OL. This will not work in some browsers'</span><span class="o">,</span><span class="s1">'error'</span><span class="o">);</span>
<span class="nx">config</span> <span class="o">=</span> <span class="o">{</span>
<span class="nx">type</span><span class="o">:</span> <span class="s1">'text'</span><span class="o">,</span>
<span class="k">label</span><span class="o">:</span> <span class="s1">''</span><span class="o">,</span>
<span class="nx">children</span><span class="o">:</span> <span class="nx">build</span><span class="o">(</span><span class="nx">child</span><span class="o">)</span>
<span class="o">};</span>
<span class="nx">branch</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">config</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="k">return</span> <span class="nx">branch</span><span class="o">;</span>
<span class="o">};</span>
<span class="k">var</span> <span class="nx">markup</span> <span class="o">=</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">getChildrenBy</span><span class="o">(</span><span class="nx">Dom</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">id</span><span class="o">),</span><span class="k">function</span> <span class="o">(</span><span class="nx">el</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">tag</span> <span class="o">=</span> <span class="nx">el</span><span class="o">.</span><span class="nx">tagName</span><span class="o">.</span><span class="nx">toUpperCase</span><span class="o">();</span>
<span class="k">return</span> <span class="nx">tag</span> <span class="o">==</span> <span class="s1">'UL'</span> <span class="o">||</span> <span class="nx">tag</span> <span class="o">==</span> <span class="s1">'OL'</span><span class="o">;</span>
<span class="o">});</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">markup</span><span class="o">.</span><span class="nx">length</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">buildTreeFromObject</span><span class="o">(</span><span class="nx">build</span><span class="o">(</span><span class="nx">markup</span><span class="o">[</span><span class="m">0</span><span class="o">]));</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Markup contains no UL or OL elements'</span><span class="o">,</span><span class="s1">'warn'</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Returns the TD element where the event has occurred</span>
<span class="c"> * @method _getEventTargetTdEl</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_getEventTargetTdEl</span><span class="o">:</span> <span class="k">function</span> <span class="o">(</span><span class="nx">ev</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">target</span> <span class="o">=</span> <span class="nx">Event</span><span class="o">.</span><span class="nx">getTarget</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="c">// go up looking for a TD with a className with a ygtv prefix</span>
<span class="c"></span> <span class="k">while</span> <span class="o">(</span><span class="nx">target</span> <span class="o">&&</span> <span class="o">!(</span><span class="nx">target</span><span class="o">.</span><span class="nx">tagName</span><span class="o">.</span><span class="nx">toUpperCase</span><span class="o">()</span> <span class="o">==</span> <span class="s1">'TD'</span> <span class="o">&&</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">hasClass</span><span class="o">(</span><span class="nx">target</span><span class="o">.</span><span class="nx">parentNode</span><span class="o">,</span><span class="s1">'ygtvrow'</span><span class="o">)))</span> <span class="o">{</span>
<span class="nx">target</span> <span class="o">=</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">getAncestorByTagName</span><span class="o">(</span><span class="nx">target</span><span class="o">,</span><span class="s1">'td'</span><span class="o">);</span>
<span class="o">}</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isNull</span><span class="o">(</span><span class="nx">target</span><span class="o">))</span> <span class="o">{</span> <span class="k">return</span> <span class="kc">null</span><span class="o">;</span> <span class="o">}</span>
<span class="c">// If it is a spacer cell, do nothing</span>
<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="sr">/\bygtv(blank)?depthcell/</span><span class="o">.</span><span class="nx">test</span><span class="o">(</span><span class="nx">target</span><span class="o">.</span><span class="nx">className</span><span class="o">))</span> <span class="o">{</span> <span class="k">return</span> <span class="kc">null</span><span class="o">;}</span>
<span class="c">// If it has an id, search for the node number and see if it belongs to a node in this tree.</span>
<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">target</span><span class="o">.</span><span class="nx">id</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">m</span> <span class="o">=</span> <span class="nx">target</span><span class="o">.</span><span class="nx">id</span><span class="o">.</span><span class="nx">match</span><span class="o">(</span><span class="sr">/\bygtv([^\d]*)(.*)/</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">m</span> <span class="o">&&</span> <span class="nx">m</span><span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">&&</span> <span class="k">this</span><span class="o">.</span><span class="nx">_nodes</span><span class="o">[</span><span class="nx">m</span><span class="o">[</span><span class="m">2</span><span class="o">]])</span> <span class="o">{</span>
<span class="k">return</span> <span class="nx">target</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="k">return</span> <span class="kc">null</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Event listener for click events</span>
<span class="c"> * @method _onClickEvent</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_onClickEvent</span><span class="o">:</span> <span class="k">function</span> <span class="o">(</span><span class="nx">ev</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">self</span> <span class="o">=</span> <span class="k">this</span><span class="o">,</span>
<span class="nx">td</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_getEventTargetTdEl</span><span class="o">(</span><span class="nx">ev</span><span class="o">),</span>
<span class="nx">node</span><span class="o">,</span>
<span class="nx">target</span><span class="o">,</span>
<span class="nx">toggle</span> <span class="o">=</span> <span class="k">function</span> <span class="o">(</span><span class="nx">force</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">node</span><span class="o">.</span><span class="nx">focus</span><span class="o">();</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">force</span> <span class="o">||</span> <span class="o">!</span><span class="nx">node</span><span class="o">.</span><span class="nx">href</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">node</span><span class="o">.</span><span class="nx">toggle</span><span class="o">();</span>
<span class="k">try</span> <span class="o">{</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">preventDefault</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="o">}</span> <span class="k">catch</span> <span class="o">(</span><span class="nx">e</span><span class="o">)</span> <span class="o">{</span>
<span class="c">// @TODO</span>
<span class="c"></span> <span class="c">// For some reason IE8 is providing an event object with</span>
<span class="c"></span> <span class="c">// most of the fields missing, but only when clicking on</span>
<span class="c"></span> <span class="c">// the node's label, and only when working with inline</span>
<span class="c"></span> <span class="c">// editing. This generates a "Member not found" error</span>
<span class="c"></span> <span class="c">// in that browser. Determine if this is a browser</span>
<span class="c"></span> <span class="c">// bug, or a problem with this code. Already checked to</span>
<span class="c"></span> <span class="c">// see if the problem has to do with access the event</span>
<span class="c"></span> <span class="c">// in the outer scope, and that isn't the problem.</span>
<span class="c"></span> <span class="c">// Maybe the markup for inline editing is broken.</span>
<span class="c"></span> <span class="o">}</span>
<span class="o">}</span>
<span class="o">};</span>
<span class="k">if</span> <span class="o">(!</span><span class="nx">td</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span><span class="o">;</span>
<span class="o">}</span>
<span class="nx">node</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">getNodeByElement</span><span class="o">(</span><span class="nx">td</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(!</span><span class="nx">node</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span><span class="o">;</span>
<span class="o">}</span>
<span class="c">// exception to handle deprecated event labelClick</span>
<span class="c"></span> <span class="c">// @TODO take another look at this deprecation. It is common for people to</span>
<span class="c"></span> <span class="c">// only be interested in the label click, so why make them have to test</span>
<span class="c"></span> <span class="c">// the node type to figure out whether the click was on the label?</span>
<span class="c"></span> <span class="nx">target</span> <span class="o">=</span> <span class="nx">Event</span><span class="o">.</span><span class="nx">getTarget</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">Dom</span><span class="o">.</span><span class="nx">hasClass</span><span class="o">(</span><span class="nx">target</span><span class="o">,</span> <span class="nx">node</span><span class="o">.</span><span class="nx">labelStyle</span><span class="o">)</span> <span class="o">||</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">getAncestorByClassName</span><span class="o">(</span><span class="nx">target</span><span class="o">,</span><span class="nx">node</span><span class="o">.</span><span class="nx">labelStyle</span><span class="o">))</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s2">"onLabelClick "</span> <span class="o">+</span> <span class="nx">node</span><span class="o">.</span><span class="k">label</span><span class="o">);</span>
<span class="k">this</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="s1">'labelClick'</span><span class="o">,</span><span class="nx">node</span><span class="o">);</span>
<span class="o">}</span>
<span class="c">// If it is a toggle cell, toggle</span>
<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="sr">/\bygtv[tl][mp]h?h?/</span><span class="o">.</span><span class="nx">test</span><span class="o">(</span><span class="nx">td</span><span class="o">.</span><span class="nx">className</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">toggle</span><span class="o">(</span><span class="kc">true</span><span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_dblClickTimer</span><span class="o">)</span> <span class="o">{</span>
<span class="nb">window</span><span class="o">.</span><span class="nx">clearTimeout</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_dblClickTimer</span><span class="o">);</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_dblClickTimer</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_hasDblClickSubscriber</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_dblClickTimer</span> <span class="o">=</span> <span class="nb">window</span><span class="o">.</span><span class="nx">setTimeout</span><span class="o">(</span><span class="k">function</span> <span class="o">()</span> <span class="o">{</span>
<span class="nx">self</span><span class="o">.</span><span class="nx">_dblClickTimer</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">self</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="s1">'clickEvent'</span><span class="o">,</span> <span class="o">{</span><span class="nx">event</span><span class="o">:</span><span class="nx">ev</span><span class="o">,</span><span class="nx">node</span><span class="o">:</span><span class="nx">node</span><span class="o">})</span> <span class="o">!==</span> <span class="kc">false</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">toggle</span><span class="o">();</span>
<span class="o">}</span>
<span class="o">},</span> <span class="m">200</span><span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">self</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="s1">'clickEvent'</span><span class="o">,</span> <span class="o">{</span><span class="nx">event</span><span class="o">:</span><span class="nx">ev</span><span class="o">,</span><span class="nx">node</span><span class="o">:</span><span class="nx">node</span><span class="o">})</span> <span class="o">!==</span> <span class="kc">false</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">toggle</span><span class="o">();</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Event listener for double-click events</span>
<span class="c"> * @method _onDblClickEvent</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_onDblClickEvent</span><span class="o">:</span> <span class="k">function</span> <span class="o">(</span><span class="nx">ev</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">_hasDblClickSubscriber</span><span class="o">)</span> <span class="o">{</span> <span class="k">return</span><span class="o">;</span> <span class="o">}</span>
<span class="k">var</span> <span class="nx">td</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_getEventTargetTdEl</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(!</span><span class="nx">td</span><span class="o">)</span> <span class="o">{</span><span class="k">return</span><span class="o">;}</span>
<span class="k">if</span> <span class="o">(!(</span><span class="sr">/\bygtv[tl][mp]h?h?/</span><span class="o">.</span><span class="nx">test</span><span class="o">(</span><span class="nx">td</span><span class="o">.</span><span class="nx">className</span><span class="o">)))</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="s1">'dblClickEvent'</span><span class="o">,</span> <span class="o">{</span><span class="nx">event</span><span class="o">:</span><span class="nx">ev</span><span class="o">,</span> <span class="nx">node</span><span class="o">:</span><span class="k">this</span><span class="o">.</span><span class="nx">getNodeByElement</span><span class="o">(</span><span class="nx">td</span><span class="o">)});</span>
<span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_dblClickTimer</span><span class="o">)</span> <span class="o">{</span>
<span class="nb">window</span><span class="o">.</span><span class="nx">clearTimeout</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_dblClickTimer</span><span class="o">);</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_dblClickTimer</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Event listener for mouse over events</span>
<span class="c"> * @method _onMouseOverEvent</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_onMouseOverEvent</span><span class="o">:</span><span class="k">function</span> <span class="o">(</span><span class="nx">ev</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">target</span><span class="o">;</span>
<span class="k">if</span> <span class="o">((</span><span class="nx">target</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_getEventTargetTdEl</span><span class="o">(</span><span class="nx">ev</span><span class="o">))</span> <span class="o">&&</span> <span class="o">(</span><span class="nx">target</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">getNodeByElement</span><span class="o">(</span><span class="nx">target</span><span class="o">))</span> <span class="o">&&</span> <span class="o">(</span><span class="nx">target</span> <span class="o">=</span> <span class="nx">target</span><span class="o">.</span><span class="nx">getToggleEl</span><span class="o">()))</span> <span class="o">{</span>
<span class="nx">target</span><span class="o">.</span><span class="nx">className</span> <span class="o">=</span> <span class="nx">target</span><span class="o">.</span><span class="nx">className</span><span class="o">.</span><span class="nx">replace</span><span class="o">(</span><span class="sr">/\bygtv([lt])([mp])\b/gi</span><span class="o">,</span><span class="s1">'ygtv$1$2h'</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Event listener for mouse out events</span>
<span class="c"> * @method _onMouseOutEvent</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_onMouseOutEvent</span><span class="o">:</span> <span class="k">function</span> <span class="o">(</span><span class="nx">ev</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">target</span><span class="o">;</span>
<span class="k">if</span> <span class="o">((</span><span class="nx">target</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_getEventTargetTdEl</span><span class="o">(</span><span class="nx">ev</span><span class="o">))</span> <span class="o">&&</span> <span class="o">(</span><span class="nx">target</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">getNodeByElement</span><span class="o">(</span><span class="nx">target</span><span class="o">))</span> <span class="o">&&</span> <span class="o">(</span><span class="nx">target</span> <span class="o">=</span> <span class="nx">target</span><span class="o">.</span><span class="nx">getToggleEl</span><span class="o">()))</span> <span class="o">{</span>
<span class="nx">target</span><span class="o">.</span><span class="nx">className</span> <span class="o">=</span> <span class="nx">target</span><span class="o">.</span><span class="nx">className</span><span class="o">.</span><span class="nx">replace</span><span class="o">(</span><span class="sr">/\bygtv([lt])([mp])h\b/gi</span><span class="o">,</span><span class="s1">'ygtv$1$2'</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Event listener for key down events</span>
<span class="c"> * @method _onKeyDownEvent</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">_onKeyDownEvent</span><span class="o">:</span> <span class="k">function</span> <span class="o">(</span><span class="nx">ev</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">target</span> <span class="o">=</span> <span class="nx">Event</span><span class="o">.</span><span class="nx">getTarget</span><span class="o">(</span><span class="nx">ev</span><span class="o">),</span>
<span class="nx">node</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">getNodeByElement</span><span class="o">(</span><span class="nx">target</span><span class="o">),</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="nx">node</span><span class="o">,</span>
<span class="nx">KEY</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">KeyListener</span><span class="o">.</span><span class="nx">KEY</span><span class="o">;</span>
<span class="nx">switch</span><span class="o">(</span><span class="nx">ev</span><span class="o">.</span><span class="nx">keyCode</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">case</span> <span class="nx">KEY</span><span class="o">.</span><span class="nx">UP</span><span class="o">:</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'UP'</span><span class="o">);</span>
<span class="k">do</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">previousSibling</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">previousSibling</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">parent</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span> <span class="k">while</span> <span class="o">(</span><span class="nx">newNode</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">_canHaveFocus</span><span class="o">());</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">)</span> <span class="o">{</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">focus</span><span class="o">();</span> <span class="o">}</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">preventDefault</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="nx">KEY</span><span class="o">.</span><span class="nx">DOWN</span><span class="o">:</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'DOWN'</span><span class="o">);</span>
<span class="k">do</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">nextSibling</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">nextSibling</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">newNode</span><span class="o">.</span><span class="nx">expand</span><span class="o">();</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">children</span><span class="o">.</span><span class="nx">length</span> <span class="o">||</span> <span class="kc">null</span><span class="o">)</span> <span class="o">&&</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">children</span><span class="o">[</span><span class="m">0</span><span class="o">];</span>
<span class="o">}</span>
<span class="o">}</span> <span class="k">while</span> <span class="o">(</span><span class="nx">newNode</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">_canHaveFocus</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">)</span> <span class="o">{</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">focus</span><span class="o">();}</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">preventDefault</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="nx">KEY</span><span class="o">.</span><span class="nx">LEFT</span><span class="o">:</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'LEFT'</span><span class="o">);</span>
<span class="k">do</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">parent</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">parent</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">previousSibling</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span> <span class="k">while</span> <span class="o">(</span><span class="nx">newNode</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">_canHaveFocus</span><span class="o">());</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">)</span> <span class="o">{</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">focus</span><span class="o">();}</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">preventDefault</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="nx">KEY</span><span class="o">.</span><span class="nx">RIGHT</span><span class="o">:</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'RIGHT'</span><span class="o">);</span>
<span class="k">do</span> <span class="o">{</span>
<span class="nx">newNode</span><span class="o">.</span><span class="nx">expand</span><span class="o">();</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">children</span><span class="o">.</span><span class="nx">length</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">children</span><span class="o">[</span><span class="m">0</span><span class="o">];</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">nextSibling</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span> <span class="k">while</span> <span class="o">(</span><span class="nx">newNode</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">_canHaveFocus</span><span class="o">());</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">)</span> <span class="o">{</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">focus</span><span class="o">();}</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">preventDefault</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="nx">KEY</span><span class="o">.</span><span class="nx">ENTER</span><span class="o">:</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'ENTER: '</span> <span class="o">+</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">href</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">node</span><span class="o">.</span><span class="nx">href</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">node</span><span class="o">.</span><span class="nx">target</span><span class="o">)</span> <span class="o">{</span>
<span class="nb">window</span><span class="o">.</span><span class="nx">open</span><span class="o">(</span><span class="nx">node</span><span class="o">.</span><span class="nx">href</span><span class="o">,</span><span class="nx">node</span><span class="o">.</span><span class="nx">target</span><span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nb">window</span><span class="o">.</span><span class="nx">location</span><span class="o">(</span><span class="nx">node</span><span class="o">.</span><span class="nx">href</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">node</span><span class="o">.</span><span class="nx">toggle</span><span class="o">();</span>
<span class="o">}</span>
<span class="k">this</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="s1">'enterKeyPressed'</span><span class="o">,</span><span class="nx">node</span><span class="o">);</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">preventDefault</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="nx">KEY</span><span class="o">.</span><span class="nx">HOME</span><span class="o">:</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'HOME'</span><span class="o">);</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">getRoot</span><span class="o">();</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">children</span><span class="o">.</span><span class="nx">length</span><span class="o">)</span> <span class="o">{</span><span class="nx">newNode</span> <span class="o">=</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">children</span><span class="o">[</span><span class="m">0</span><span class="o">];}</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">_canHaveFocus</span><span class="o">())</span> <span class="o">{</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">focus</span><span class="o">();</span> <span class="o">}</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">preventDefault</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="nx">KEY</span><span class="o">.</span><span class="nx">END</span><span class="o">:</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'END'</span><span class="o">);</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">parent</span><span class="o">.</span><span class="nx">children</span><span class="o">;</span>
<span class="nx">newNode</span> <span class="o">=</span> <span class="nx">newNode</span><span class="o">[</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">length</span> <span class="o">-</span><span class="m">1</span><span class="o">];</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">newNode</span><span class="o">.</span><span class="nx">_canHaveFocus</span><span class="o">())</span> <span class="o">{</span> <span class="nx">newNode</span><span class="o">.</span><span class="nx">focus</span><span class="o">();</span> <span class="o">}</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">preventDefault</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">break</span><span class="o">;</span>
<span class="c">// case KEY.PAGE_UP:</span>
<span class="c"></span> <span class="c">// this.logger.log('PAGE_UP');</span>
<span class="c"></span> <span class="c">// break;</span>
<span class="c"></span> <span class="c">// case KEY.PAGE_DOWN:</span>
<span class="c"></span> <span class="c">// this.logger.log('PAGE_DOWN');</span>
<span class="c"></span> <span class="c">// break;</span>
<span class="c"></span> <span class="nx">case</span> <span class="m">107</span><span class="o">:</span> <span class="c">// plus key</span>
<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">ev</span><span class="o">.</span><span class="nx">shiftKey</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Shift-PLUS'</span><span class="o">);</span>
<span class="nx">node</span><span class="o">.</span><span class="nx">parent</span><span class="o">.</span><span class="nx">expandAll</span><span class="o">();</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'PLUS'</span><span class="o">);</span>
<span class="nx">node</span><span class="o">.</span><span class="nx">expand</span><span class="o">();</span>
<span class="o">}</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="m">109</span><span class="o">:</span> <span class="c">// minus key</span>
<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">ev</span><span class="o">.</span><span class="nx">shiftKey</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Shift-MINUS'</span><span class="o">);</span>
<span class="nx">node</span><span class="o">.</span><span class="nx">parent</span><span class="o">.</span><span class="nx">collapseAll</span><span class="o">();</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'MINUS'</span><span class="o">);</span>
<span class="nx">node</span><span class="o">.</span><span class="nx">collapse</span><span class="o">();</span>
<span class="o">}</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">default</span><span class="o">:</span>
<span class="k">break</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Renders the tree boilerplate and visible nodes</span>
<span class="c"> * @method render</span>
<span class="c"> */</span>
<span class="nx">render</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">html</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">root</span><span class="o">.</span><span class="nx">getHtml</span><span class="o">(),</span>
<span class="nx">el</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">getEl</span><span class="o">();</span>
<span class="nx">el</span><span class="o">.</span><span class="nx">innerHTML</span> <span class="o">=</span> <span class="nx">html</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">_hasEvents</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">on</span><span class="o">(</span><span class="nx">el</span><span class="o">,</span> <span class="s1">'click'</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_onClickEvent</span><span class="o">,</span> <span class="k">this</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">on</span><span class="o">(</span><span class="nx">el</span><span class="o">,</span> <span class="s1">'dblclick'</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_onDblClickEvent</span><span class="o">,</span> <span class="k">this</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">on</span><span class="o">(</span><span class="nx">el</span><span class="o">,</span> <span class="s1">'mouseover'</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_onMouseOverEvent</span><span class="o">,</span> <span class="k">this</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">on</span><span class="o">(</span><span class="nx">el</span><span class="o">,</span> <span class="s1">'mouseout'</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_onMouseOutEvent</span><span class="o">,</span> <span class="k">this</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">on</span><span class="o">(</span><span class="nx">el</span><span class="o">,</span> <span class="s1">'keydown'</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_onKeyDownEvent</span><span class="o">,</span> <span class="k">this</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span>
<span class="o">}</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_hasEvents</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Returns the tree's host element</span>
<span class="c"> * @method getEl</span>
<span class="c"> * @return {HTMLElement} the host element</span>
<span class="c"> */</span>
<span class="nx">getEl</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(!</span> <span class="k">this</span><span class="o">.</span><span class="nx">_el</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_el</span> <span class="o">=</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">id</span><span class="o">);</span>
<span class="o">}</span>
<span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">_el</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Nodes register themselves with the tree instance when they are created.</span>
<span class="c"> * @method regNode</span>
<span class="c"> * @param node {Node} the node to register</span>
<span class="c"> * @private</span>
<span class="c"> */</span>
<span class="nx">regNode</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_nodes</span><span class="o">[</span><span class="nx">node</span><span class="o">.</span><span class="nx">index</span><span class="o">]</span> <span class="o">=</span> <span class="nx">node</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Returns the root node of this tree</span>
<span class="c"> * @method getRoot</span>
<span class="c"> * @return {Node} the root node</span>
<span class="c"> */</span>
<span class="nx">getRoot</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
<span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">root</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Configures this tree to dynamically load all child data</span>
<span class="c"> * @method setDynamicLoad</span>
<span class="c"> * @param {function} fnDataLoader the function that will be called to get the data</span>
<span class="c"> * @param iconMode {int} configures the icon that is displayed when a dynamic</span>
<span class="c"> * load node is expanded the first time without children. By default, the </span>
<span class="c"> * "collapse" icon will be used. If set to 1, the leaf node icon will be</span>
<span class="c"> * displayed.</span>
<span class="c"> */</span>
<span class="nx">setDynamicLoad</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">fnDataLoader</span><span class="o">,</span> <span class="nx">iconMode</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">root</span><span class="o">.</span><span class="nx">setDynamicLoad</span><span class="o">(</span><span class="nx">fnDataLoader</span><span class="o">,</span> <span class="nx">iconMode</span><span class="o">);</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Expands all child nodes. Note: this conflicts with the "multiExpand"</span>
<span class="c"> * node property. If expand all is called in a tree with nodes that</span>
<span class="c"> * do not allow multiple siblings to be displayed, only the last sibling</span>
<span class="c"> * will be expanded.</span>
<span class="c"> * @method expandAll</span>
<span class="c"> */</span>
<span class="nx">expandAll</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">locked</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">root</span><span class="o">.</span><span class="nx">expandAll</span><span class="o">();</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Collapses all expanded child nodes in the entire tree.</span>
<span class="c"> * @method collapseAll</span>
<span class="c"> */</span>
<span class="nx">collapseAll</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">locked</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">root</span><span class="o">.</span><span class="nx">collapseAll</span><span class="o">();</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Returns a node in the tree that has the specified index (this index</span>
<span class="c"> * is created internally, so this function probably will only be used</span>
<span class="c"> * in html generated for a given node.)</span>
<span class="c"> * @method getNodeByIndex</span>
<span class="c"> * @param {int} nodeIndex the index of the node wanted</span>
<span class="c"> * @return {Node} the node with index=nodeIndex, null if no match</span>
<span class="c"> */</span>
<span class="nx">getNodeByIndex</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">nodeIndex</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">n</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_nodes</span><span class="o">[</span><span class="nx">nodeIndex</span><span class="o">];</span>
<span class="k">return</span> <span class="o">(</span><span class="nx">n</span><span class="o">)</span> <span class="o">?</span> <span class="nx">n</span> <span class="o">:</span> <span class="kc">null</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Returns a node that has a matching property and value in the data</span>
<span class="c"> * object that was passed into its constructor.</span>
<span class="c"> * @method getNodeByProperty</span>
<span class="c"> * @param {object} property the property to search (usually a string)</span>
<span class="c"> * @param {object} value the value we want to find (usuall an int or string)</span>
<span class="c"> * @return {Node} the matching node, null if no match</span>
<span class="c"> */</span>
<span class="nx">getNodeByProperty</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">property</span><span class="o">,</span> <span class="nx">value</span><span class="o">)</span> <span class="o">{</span>