yui/docs/RootNode.js.html

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   4         <title>API: treeview   RootNode.js  (YUI Library)</title>
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  12         <h1>Yahoo! UI Library</h1>
  13         <h3>TreeView Widget&nbsp; <span class="subtitle">2.2.0</span></h3>
  14         <p>
  15         <a href="./index.html">Yahoo! UI Library</a>
  16             &gt; <a href="./module_treeview.html">treeview</a>
  17
  18                  &gt; RootNode.js (source view)
  19             </p>
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  27 <div class="highlight" ><pre><span class="c">/**</span>
  28 <span class="c"> * A custom YAHOO.widget.Node that handles the unique nature of </span>
  29 <span class="c"> * the virtual, presentationless root node.</span>
  30 <span class="c"> * @namespace YAHOO.widget</span>
  31 <span class="c"> * @class RootNode</span>
  32 <span class="c"> * @extends YAHOO.widget.Node</span>
  33 <span class="c"> * @param oTree {YAHOO.widget.TreeView} The tree instance this node belongs to</span>
  34 <span class="c"> * @constructor</span>
  35 <span class="c"> */</span>
  36 <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">widget</span><span class="o">.</span><span class="nx">RootNode</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">oTree</span><span class="o">)</span> <span class="o">{</span>
  37         <span class="c">// Initialize the node with null params.  The root node is a</span>
  38 <span class="c"></span> <span class="c">// special case where the node has no presentation.  So we have</span>
  39 <span class="c"></span> <span class="c">// to alter the standard properties a bit.</span>
  40 <span class="c"></span> <span class="k">this</span><span class="o">.</span><span class="nx">init</span><span class="o">(</span><span class="kc">null</span><span class="o">,</span> <span class="kc">null</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span>
  41
  42         <span class="c">/*</span>
  43 <span class="c">         * For the root node, we get the tree reference from as a param</span>
  44 <span class="c">         * to the constructor instead of from the parent element.</span>
  45 <span class="c">         */</span>
  46         <span class="k">this</span><span class="o">.</span><span class="nx">tree</span> <span class="o">=</span> <span class="nx">oTree</span><span class="o">;</span>
  47 <span class="o">};</span>
  48
  49 <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">extend</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="nx">RootNode</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="nx">Node</span><span class="o">,</span> <span class="o">{</span>
  50
  51     <span class="c">// overrides YAHOO.widget.Node</span>
  52 <span class="c"></span>    <span class="nx">getNodeHtml</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
  53         <span class="k">return</span> <span class="s2">&quot;&quot;</span><span class="o">;</span>
  54     <span class="o">},</span>
  55
  56     <span class="nx">toString</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
  57         <span class="k">return</span> <span class="s2">&quot;RootNode&quot;</span><span class="o">;</span>
  58     <span class="o">},</span>
  59
  60     <span class="nx">loadComplete</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
  61         <span class="k">this</span><span class="o">.</span><span class="nx">tree</span><span class="o">.</span><span class="nx">draw</span><span class="o">();</span>
  62     <span class="o">},</span>
  63
  64     <span class="nx">collapse</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{},</span>
  65     <span class="nx">expand</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{}</span>
  66
  67 <span class="o">});</span>
  68 </pre></div>
  69                     </div>
  70                         </div>
  71                 </div>
  72                 <div class="yui-b">
  73             <div class="nav">
  74
  75                     <div class="module">
  76                         <h4>Modules</h4>
  77                         <ul class="content">
  78
  79                                 <li class=""><a href="module_animation.html">animation</a></li>
  80
  81                                 <li class=""><a href="module_autocomplete.html">autocomplete</a></li>
  82
  83                                 <li class=""><a href="module_button.html">button</a></li>
  84
  85                                 <li class=""><a href="module_calendar.html">calendar</a></li>
  86
  87                                 <li class=""><a href="module_connection.html">connection</a></li>
  88
  89                                 <li class=""><a href="module_container.html">container</a></li>
  90
  91                                 <li class=""><a href="module_datasource.html">datasource</a></li>
  92
  93                                 <li class=""><a href="module_datatable.html">datatable</a></li>
  94
  95                                 <li class=""><a href="module_dom.html">dom</a></li>
  96
  97                                 <li class=""><a href="module_dragdrop.html">dragdrop</a></li>
  98
  99                                 <li class=""><a href="module_element.html">element</a></li>
 100
 101                                 <li class=""><a href="module_event.html">event</a></li>
 102
 103                                 <li class=""><a href="module_history.html">history</a></li>
 104
 105                                 <li class=""><a href="module_logger.html">logger</a></li>
 106
 107                                 <li class=""><a href="module_menu.html">menu</a></li>
 108
 109                                 <li class=""><a href="module_slider.html">slider</a></li>
 110
 111                                 <li class=""><a href="module_tabview.html">tabview</a></li>
 112
 113                                 <li class="selected"><a href="module_treeview.html">treeview</a></li>
 114
 115                                 <li class=""><a href="module_yahoo.html">yahoo</a></li>
 116                         </ul>
 117                     </div>
 118
 119                     <div class="module">
 120                         <h4>Classes</h4>
 121                         <ul class="content">
 122                                 <li class=""><a href="YAHOO.widget.HTMLNode.html">YAHOO.widget.HTMLNode</a></li>
 123                                 <li class=""><a href="YAHOO.widget.MenuNode.html">YAHOO.widget.MenuNode</a></li>
 124                                 <li class=""><a href="YAHOO.widget.Node.html">YAHOO.widget.Node</a></li>
 125                                 <li class=""><a href="YAHOO.widget.RootNode.html">YAHOO.widget.RootNode</a></li>
 126                                 <li class=""><a href="YAHOO.widget.TextNode.html">YAHOO.widget.TextNode</a></li>
 127                                 <li class=""><a href="YAHOO.widget.TreeView.html">YAHOO.widget.TreeView</a></li>
 128                                 <li class=""><a href="YAHOO.widget.TVAnim.html">YAHOO.widget.TVAnim</a></li>
 129                                 <li class=""><a href="YAHOO.widget.TVFadeIn.html">YAHOO.widget.TVFadeIn</a></li>
 130                                 <li class=""><a href="YAHOO.widget.TVFadeOut.html">YAHOO.widget.TVFadeOut</a></li>
 131                         </ul>
 132                     </div>
 133
 134                     <div class="module">
 135                         <h4>Files</h4>
 136                         <ul class="content">
 137                                 <li class=""><a href="HTMLNode.js.html">HTMLNode.js</a></li>
 138                                 <li class=""><a href="MenuNode.js.html">MenuNode.js</a></li>
 139                                 <li class=""><a href="Node.js.html">Node.js</a></li>
 140                                 <li class="selected"><a href="RootNode.js.html">RootNode.js</a></li>
 141                                 <li class=""><a href="TextNode.js.html">TextNode.js</a></li>
 142                                 <li class=""><a href="TreeView.js.html">TreeView.js</a></li>
 143                                 <li class=""><a href="TVAnim.js.html">TVAnim.js</a></li>
 144                                 <li class=""><a href="TVFadeIn.js.html">TVFadeIn.js</a></li>
 145                                 <li class=""><a href="TVFadeOut.js.html">TVFadeOut.js</a></li>
 146                         </ul>
 147                     </div>
 148
 149
 150
 151
 152
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