webgui/www/extras/yui/docs/TreeViewEd.js.html
JT Smith 20f8df1291 upgrading to YUI 2.6
data tables are going to need some work yet, but the other stuff seems to be working 100%
2008-10-22 23:53:29 +00:00

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<title>API: treeview TreeViewEd.js (YUI Library)</title>
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<a href="http://developer.yahoo.com/yui/"><h1>Yahoo! UI Library</h1></a>
<h3>TreeView Widget&nbsp; <span class="subtitle">2.6.0</span></h3>
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<a href="./index.html">Yahoo! UI Library</a>
&gt; <a href="./module_treeview.html">treeview</a>
&gt; TreeViewEd.js (source view)
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<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">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">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">TV</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">TreeView</span><span class="o">,</span>
<span class="nx">TVproto</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="c">/**</span>
<span class="c"> * An object to store information used for in-line editing</span>
<span class="c"> * for all Nodes of all TreeViews. It contains:</span>
<span class="c"> * &lt;ul&gt;</span>
<span class="c"> * &lt;li&gt;active {boolean}, whether there is an active cell editor &lt;/li&gt;</span>
<span class="c"> * &lt;li&gt;whoHasIt {YAHOO.widget.TreeView} TreeView instance that is currently using the editor&lt;/li&gt;</span>
<span class="c"> * &lt;li&gt;nodeType {string} value of static Node._type property, allows reuse of input element if node is of the same type.&lt;/li&gt;</span>
<span class="c"> * &lt;li&gt;editorPanel {HTMLelement (&amp;lt;div&amp;gt;)} element holding the in-line editor&lt;/li&gt;</span>
<span class="c"> * &lt;li&gt;inputContainer {HTMLelement (&amp;lt;div&amp;gt;)} element which will hold the type-specific input element(s) to be filled by the fillEditorContainer method&lt;/li&gt;</span>
<span class="c"> * &lt;li&gt;buttonsContainer {HTMLelement (&amp;lt;div&amp;gt;)} element which holds the &amp;lt;button&amp;gt; elements for Ok/Cancel. If you don&#39;t want any of the buttons, hide it via CSS styles, don&#39;t destroy it&lt;/li&gt;</span>
<span class="c"> * &lt;li&gt;node {YAHOO.widget.Node} reference to the Node being edited&lt;/li&gt;</span>
<span class="c"> * &lt;li&gt;saveOnEnter {boolean}, whether the Enter key should be accepted as a Save command (Esc. is always taken as Cancel), disable for multi-line input elements &lt;/li&gt;</span>
<span class="c"> * &lt;/ul&gt;</span>
<span class="c"> * Editors are free to use this object to store additional data.</span>
<span class="c"> * @property editorData</span>
<span class="c"> * @static</span>
<span class="c"> * @for YAHOO.widget.TreeView</span>
<span class="c"> */</span>
<span class="nx">TV</span><span class="o">.</span><span class="nx">editorData</span> <span class="o">=</span> <span class="o">{</span>
<span class="nx">active</span><span class="o">:</span><span class="kc">false</span><span class="o">,</span>
<span class="nx">whoHasIt</span><span class="o">:</span><span class="kc">null</span><span class="o">,</span> <span class="c">// which TreeView has it</span>
<span class="c"></span> <span class="nx">nodeType</span><span class="o">:</span><span class="kc">null</span><span class="o">,</span>
<span class="nx">editorPanel</span><span class="o">:</span><span class="kc">null</span><span class="o">,</span>
<span class="nx">inputContainer</span><span class="o">:</span><span class="kc">null</span><span class="o">,</span>
<span class="nx">buttonsContainer</span><span class="o">:</span><span class="kc">null</span><span class="o">,</span>
<span class="nx">node</span><span class="o">:</span><span class="kc">null</span><span class="o">,</span> <span class="c">// which Node is being edited</span>
<span class="c"></span> <span class="nx">saveOnEnter</span><span class="o">:</span><span class="kc">true</span>
<span class="c">// Each node type is free to add its own properties to this as it sees fit.</span>
<span class="c"></span> <span class="o">};</span>
<span class="c">/**</span>
<span class="c"> * Entry point of the editing plug-in. </span>
<span class="c"> * TreeView will call this method if it exists when a node label is clicked</span>
<span class="c"> * @method _nodeEditing</span>
<span class="c"> * @param node {YAHOO.widget.Node} the node to be edited</span>
<span class="c"> * @return {Boolean} true to indicate that the node is editable and prevent any further bubbling of the click.</span>
<span class="c"> * @for YAHOO.widget.TreeView</span>
<span class="c"> */</span>
<span class="nx">TVproto</span><span class="o">.</span><span class="nx">_nodeEditing</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">if</span> <span class="o">(</span><span class="nx">node</span><span class="o">.</span><span class="nx">fillEditorContainer</span> <span class="o">&amp;&amp;</span> <span class="nx">node</span><span class="o">.</span><span class="nx">editable</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">ed</span><span class="o">,</span> <span class="nx">topLeft</span><span class="o">,</span> <span class="nx">buttons</span><span class="o">,</span> <span class="nx">button</span><span class="o">,</span> <span class="nx">editorData</span> <span class="o">=</span> <span class="nx">TV</span><span class="o">.</span><span class="nx">editorData</span><span class="o">;</span>
<span class="nx">editorData</span><span class="o">.</span><span class="nx">active</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span>
<span class="nx">editorData</span><span class="o">.</span><span class="nx">whoHasIt</span> <span class="o">=</span> <span class="k">this</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(!</span><span class="nx">editorData</span><span class="o">.</span><span class="nx">nodeType</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">editorData</span><span class="o">.</span><span class="nx">editorPanel</span> <span class="o">=</span> <span class="nx">ed</span> <span class="o">=</span> <span class="nb">document</span><span class="o">.</span><span class="nx">body</span><span class="o">.</span><span class="nx">appendChild</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">&#39;div&#39;</span><span class="o">));</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">addClass</span><span class="o">(</span><span class="nx">ed</span><span class="o">,</span><span class="s1">&#39;ygtv-label-editor&#39;</span><span class="o">);</span>
<span class="nx">buttons</span> <span class="o">=</span> <span class="nx">editorData</span><span class="o">.</span><span class="nx">buttonsContainer</span> <span class="o">=</span> <span class="nx">ed</span><span class="o">.</span><span class="nx">appendChild</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">&#39;div&#39;</span><span class="o">));</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">addClass</span><span class="o">(</span><span class="nx">buttons</span><span class="o">,</span><span class="s1">&#39;ygtv-button-container&#39;</span><span class="o">);</span>
<span class="nx">button</span> <span class="o">=</span> <span class="nx">buttons</span><span class="o">.</span><span class="nx">appendChild</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">&#39;button&#39;</span><span class="o">));</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">addClass</span><span class="o">(</span><span class="nx">button</span><span class="o">,</span><span class="s1">&#39;ygtvok&#39;</span><span class="o">);</span>
<span class="nx">button</span><span class="o">.</span><span class="nx">innerHTML</span> <span class="o">=</span> <span class="s1">&#39; &#39;</span><span class="o">;</span>
<span class="nx">button</span> <span class="o">=</span> <span class="nx">buttons</span><span class="o">.</span><span class="nx">appendChild</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">&#39;button&#39;</span><span class="o">));</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">addClass</span><span class="o">(</span><span class="nx">button</span><span class="o">,</span><span class="s1">&#39;ygtvcancel&#39;</span><span class="o">);</span>
<span class="nx">button</span><span class="o">.</span><span class="nx">innerHTML</span> <span class="o">=</span> <span class="s1">&#39; &#39;</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">buttons</span><span class="o">,</span> <span class="s1">&#39;click&#39;</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">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">&#39;click on editor&#39;</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="k">var</span> <span class="nx">node</span> <span class="o">=</span> <span class="nx">TV</span><span class="o">.</span><span class="nx">editorData</span><span class="o">.</span><span class="nx">node</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="s1">&#39;ygtvok&#39;</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">node</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">&#39;ygtvok&#39;</span><span class="o">);</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">stopEvent</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_closeEditor</span><span class="o">(</span><span class="kc">true</span><span class="o">);</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="s1">&#39;ygtvcancel&#39;</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">node</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">&#39;ygtvcancel&#39;</span><span class="o">);</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">stopEvent</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_closeEditor</span><span class="o">(</span><span class="kc">false</span><span class="o">);</span>
<span class="o">}</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">editorData</span><span class="o">.</span><span class="nx">inputContainer</span> <span class="o">=</span> <span class="nx">ed</span><span class="o">.</span><span class="nx">appendChild</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">&#39;div&#39;</span><span class="o">));</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">addClass</span><span class="o">(</span><span class="nx">editorData</span><span class="o">.</span><span class="nx">inputContainer</span><span class="o">,</span><span class="s1">&#39;ygtv-input&#39;</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">ed</span><span class="o">,</span><span class="s1">&#39;keydown&#39;</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">editorData</span> <span class="o">=</span> <span class="nx">TV</span><span class="o">.</span><span class="nx">editorData</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">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">&#39;ENTER&#39;</span><span class="o">);</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">stopEvent</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">editorData</span><span class="o">.</span><span class="nx">saveOnEnter</span><span class="o">)</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_closeEditor</span><span class="o">(</span><span class="kc">true</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="nx">KEY</span><span class="o">.</span><span class="nx">ESCAPE</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">&#39;ESC&#39;</span><span class="o">);</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">stopEvent</span><span class="o">(</span><span class="nx">ev</span><span class="o">);</span>
<span class="k">this</span><span class="o">.</span><span class="nx">_closeEditor</span><span class="o">(</span><span class="kc">false</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">this</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="nx">ed</span> <span class="o">=</span> <span class="nx">editorData</span><span class="o">.</span><span class="nx">editorPanel</span><span class="o">;</span>
<span class="o">}</span>
<span class="nx">editorData</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="k">if</span> <span class="o">(</span><span class="nx">editorData</span><span class="o">.</span><span class="nx">nodeType</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">removeClass</span><span class="o">(</span><span class="nx">ed</span><span class="o">,</span><span class="s1">&#39;ygtv-edit-&#39;</span> <span class="o">+</span> <span class="nx">editorData</span><span class="o">.</span><span class="nx">nodeType</span><span class="o">);</span>
<span class="o">}</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">addClass</span><span class="o">(</span><span class="nx">ed</span><span class="o">,</span><span class="s1">&#39; ygtv-edit-&#39;</span> <span class="o">+</span> <span class="nx">node</span><span class="o">.</span><span class="nx">_type</span><span class="o">);</span>
<span class="nx">topLeft</span> <span class="o">=</span> <span class="nx">Dom</span><span class="o">.</span><span class="nx">getXY</span><span class="o">(</span><span class="nx">node</span><span class="o">.</span><span class="nx">getContentEl</span><span class="o">());</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">setStyle</span><span class="o">(</span><span class="nx">ed</span><span class="o">,</span><span class="s1">&#39;left&#39;</span><span class="o">,</span><span class="nx">topLeft</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">+</span> <span class="s1">&#39;px&#39;</span><span class="o">);</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">setStyle</span><span class="o">(</span><span class="nx">ed</span><span class="o">,</span><span class="s1">&#39;top&#39;</span><span class="o">,</span><span class="nx">topLeft</span><span class="o">[</span><span class="m">1</span><span class="o">]</span> <span class="o">+</span> <span class="s1">&#39;px&#39;</span><span class="o">);</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">setStyle</span><span class="o">(</span><span class="nx">ed</span><span class="o">,</span><span class="s1">&#39;display&#39;</span><span class="o">,</span><span class="s1">&#39;block&#39;</span><span class="o">);</span>
<span class="nx">ed</span><span class="o">.</span><span class="nx">focus</span><span class="o">();</span>
<span class="nx">node</span><span class="o">.</span><span class="nx">fillEditorContainer</span><span class="o">(</span><span class="nx">editorData</span><span class="o">);</span>
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span> <span class="c">// If inline editor available, don&#39;t do anything else.</span>
<span class="c"></span> <span class="o">}</span>
<span class="o">};</span>
<span class="c">/**</span>
<span class="c"> * Method to be associated with an event (clickEvent, dblClickEvent or enterKeyPressed) to pop up the contents editor</span>
<span class="c"> * It calls the corresponding node editNode method.</span>
<span class="c"> * @method onEventEditNode</span>
<span class="c"> * @param oArgs {object} Object passed as arguments to TreeView event listeners</span>
<span class="c"> * @for YAHOO.widget.TreeView</span>
<span class="c"> */</span>
<span class="nx">TVproto</span><span class="o">.</span><span class="nx">onEventEditNode</span> <span class="o">=</span> <span class="k">function</span> <span class="o">(</span><span class="nx">oArgs</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">oArgs</span> <span class="k">instanceof</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>
<span class="nx">oArgs</span><span class="o">.</span><span class="nx">editNode</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">oArgs</span><span class="o">.</span><span class="nx">node</span> <span class="k">instanceof</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>
<span class="nx">oArgs</span><span class="o">.</span><span class="nx">node</span><span class="o">.</span><span class="nx">editNode</span><span class="o">();</span>
<span class="o">}</span>
<span class="o">};</span>
<span class="c">/**</span>
<span class="c"> * Method to be called when the inline editing is finished and the editor is to be closed</span>
<span class="c"> * @method _closeEditor</span>
<span class="c"> * @param save {Boolean} true if the edited value is to be saved, false if discarded</span>
<span class="c"> * @private</span>
<span class="c"> * @for YAHOO.widget.TreeView</span>
<span class="c"> */</span>
<span class="nx">TVproto</span><span class="o">.</span><span class="nx">_closeEditor</span> <span class="o">=</span> <span class="k">function</span> <span class="o">(</span><span class="nx">save</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">ed</span> <span class="o">=</span> <span class="nx">TV</span><span class="o">.</span><span class="nx">editorData</span><span class="o">,</span>
<span class="nx">node</span> <span class="o">=</span> <span class="nx">ed</span><span class="o">.</span><span class="nx">node</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">save</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">ed</span><span class="o">.</span><span class="nx">node</span><span class="o">.</span><span class="nx">saveEditorValue</span><span class="o">(</span><span class="nx">ed</span><span class="o">);</span>
<span class="o">}</span>
<span class="nx">Dom</span><span class="o">.</span><span class="nx">setStyle</span><span class="o">(</span><span class="nx">ed</span><span class="o">.</span><span class="nx">editorPanel</span><span class="o">,</span><span class="s1">&#39;display&#39;</span><span class="o">,</span><span class="s1">&#39;none&#39;</span><span class="o">);</span>
<span class="nx">ed</span><span class="o">.</span><span class="nx">active</span> <span class="o">=</span> <span class="kc">false</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="o">};</span>
<span class="c">/**</span>
<span class="c"> * Entry point for TreeView&#39;s destroy method to destroy whatever the editing plug-in has created</span>
<span class="c"> * @method _destroyEditor</span>
<span class="c"> * @private</span>
<span class="c"> * @for YAHOO.widget.TreeView</span>
<span class="c"> */</span>
<span class="nx">TVproto</span><span class="o">.</span><span class="nx">_destroyEditor</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">ed</span> <span class="o">=</span> <span class="nx">TV</span><span class="o">.</span><span class="nx">editorData</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">ed</span> <span class="o">&amp;&amp;</span> <span class="nx">ed</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">&amp;&amp;</span> <span class="o">(!</span><span class="nx">ed</span><span class="o">.</span><span class="nx">active</span> <span class="o">||</span> <span class="nx">ed</span><span class="o">.</span><span class="nx">whoHasIt</span> <span class="o">===</span> <span class="k">this</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">removeListener</span><span class="o">(</span><span class="nx">ed</span><span class="o">.</span><span class="nx">editorPanel</span><span class="o">,</span><span class="s1">&#39;keydown&#39;</span><span class="o">);</span>
<span class="nx">Event</span><span class="o">.</span><span class="nx">removeListener</span><span class="o">(</span><span class="nx">ed</span><span class="o">.</span><span class="nx">buttonContainer</span><span class="o">,</span><span class="s1">&#39;click&#39;</span><span class="o">);</span>
<span class="nx">ed</span><span class="o">.</span><span class="nx">node</span><span class="o">.</span><span class="nx">destroyEditorContents</span><span class="o">(</span><span class="nx">ed</span><span class="o">);</span>
<span class="nb">document</span><span class="o">.</span><span class="nx">body</span><span class="o">.</span><span class="nx">removeChild</span><span class="o">(</span><span class="nx">ed</span><span class="o">.</span><span class="nx">editorPanel</span><span class="o">);</span>
<span class="nx">ed</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">=</span> <span class="nx">ed</span><span class="o">.</span><span class="nx">editorPanel</span> <span class="o">=</span> <span class="nx">ed</span><span class="o">.</span><span class="nx">inputContainer</span> <span class="o">=</span> <span class="nx">ed</span><span class="o">.</span><span class="nx">buttonsContainer</span> <span class="o">=</span> <span class="nx">ed</span><span class="o">.</span><span class="nx">whoHasIt</span> <span class="o">=</span> <span class="nx">ed</span><span class="o">.</span><span class="nx">node</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span>
<span class="nx">ed</span><span class="o">.</span><span class="nx">active</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">};</span>
<span class="k">var</span> <span class="nx">Nproto</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="nx">prototype</span><span class="o">;</span>
<span class="c">/**</span>
<span class="c"> * Signals if the label is editable. (Ignored on TextNodes with href set.)</span>
<span class="c"> * @property editable</span>
<span class="c"> * @type boolean</span>
<span class="c"> * @for YAHOO.widget.Node</span>
<span class="c"> */</span>
<span class="nx">Nproto</span><span class="o">.</span><span class="nx">editable</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span>
<span class="c">/**</span>
<span class="c"> * pops up the contents editor, if there is one and the node is declared editable</span>
<span class="c"> * @method editNode</span>
<span class="c"> * @for YAHOO.widget.Node</span>
<span class="c"> */</span>
<span class="nx">Nproto</span><span class="o">.</span><span class="nx">editNode</span> <span class="o">=</span> <span class="k">function</span> <span class="o">()</span> <span class="o">{</span>
<span class="k">this</span><span class="o">.</span><span class="nx">tree</span><span class="o">.</span><span class="nx">_nodeEditing</span><span class="o">(</span><span class="k">this</span><span class="o">);</span>
<span class="o">};</span>
<span class="c">/** Placeholder for a function that should provide the inline node label editor.</span>
<span class="c"> * Leaving it set to null will indicate that this node type is not editable.</span>
<span class="c"> * It should be overridden by nodes that provide inline editing.</span>
<span class="c"> * The Node-specific editing element (input box, textarea or whatever) should be inserted into editorData.inputContainer.</span>
<span class="c"> * @method fillEditorContainer</span>
<span class="c"> * @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information</span>
<span class="c"> * @return void</span>
<span class="c"> * @for YAHOO.widget.Node</span>
<span class="c"> */</span>
<span class="nx">Nproto</span><span class="o">.</span><span class="nx">fillEditorContainer</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span>
<span class="c">/**</span>
<span class="c"> * Node-specific destroy function to empty the contents of the inline editor panel</span>
<span class="c"> * This function is the worst case alternative that will purge all possible events and remove the editor contents</span>
<span class="c"> * Method Event.purgeElement is somewhat costly so if it can be replaced by specifc Event.removeListeners, it is better to do so.</span>
<span class="c"> * @method destroyEditorContents</span>
<span class="c"> * @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information</span>
<span class="c"> * @for YAHOO.widget.Node</span>
<span class="c"> */</span>
<span class="nx">Nproto</span><span class="o">.</span><span class="nx">destroyEditorContents</span> <span class="o">=</span> <span class="k">function</span> <span class="o">(</span><span class="nx">editorData</span><span class="o">)</span> <span class="o">{</span>
<span class="c">// In the worst case, if the input editor (such as the Calendar) has no destroy method</span>
<span class="c"></span> <span class="c">// we can only try to remove all possible events on it.</span>
<span class="c"></span> <span class="nx">Event</span><span class="o">.</span><span class="nx">purgeElement</span><span class="o">(</span><span class="nx">editorData</span><span class="o">.</span><span class="nx">inputContainer</span><span class="o">,</span><span class="kc">true</span><span class="o">);</span>
<span class="nx">editorData</span><span class="o">.</span><span class="nx">inputContainer</span><span class="o">.</span><span class="nx">innerHTML</span> <span class="o">=</span> <span class="s1">&#39;&#39;</span><span class="o">;</span>
<span class="o">};</span>
<span class="c">/**</span>
<span class="c"> * Saves the value entered into the editor.</span>
<span class="c"> * Should be overridden by each node type</span>
<span class="c"> * @method saveEditorValue</span>
<span class="c"> * @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information</span>
<span class="c"> * @for YAHOO.widget.Node</span>
<span class="c"> */</span>
<span class="nx">Nproto</span><span class="o">.</span><span class="nx">saveEditorValue</span> <span class="o">=</span> <span class="k">function</span> <span class="o">(</span><span class="nx">editorData</span><span class="o">)</span> <span class="o">{</span>
<span class="o">};</span>
<span class="k">var</span> <span class="nx">TNproto</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">TextNode</span><span class="o">.</span><span class="nx">prototype</span><span class="o">;</span>
<span class="c">/** </span>
<span class="c"> * Places an &amp;lt;input&amp;gt; textbox in the input container and loads the label text into it</span>
<span class="c"> * @method fillEditorContainer</span>
<span class="c"> * @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information</span>
<span class="c"> * @return void</span>
<span class="c"> * @for YAHOO.widget.TextNode</span>
<span class="c"> */</span>
<span class="nx">TNproto</span><span class="o">.</span><span class="nx">fillEditorContainer</span> <span class="o">=</span> <span class="k">function</span> <span class="o">(</span><span class="nx">editorData</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">input</span><span class="o">;</span>
<span class="c">// If last node edited is not of the same type as this one, delete it and fill it with our editor</span>
<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">editorData</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">!=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_type</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">editorData</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_type</span><span class="o">;</span>
<span class="nx">editorData</span><span class="o">.</span><span class="nx">saveOnEnter</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span>
<span class="nx">editorData</span><span class="o">.</span><span class="nx">node</span><span class="o">.</span><span class="nx">destroyEditorContents</span><span class="o">(</span><span class="nx">editorData</span><span class="o">);</span>
<span class="nx">editorData</span><span class="o">.</span><span class="nx">inputElement</span> <span class="o">=</span> <span class="nx">input</span> <span class="o">=</span> <span class="nx">editorData</span><span class="o">.</span><span class="nx">inputContainer</span><span class="o">.</span><span class="nx">appendChild</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">&#39;input&#39;</span><span class="o">));</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="c">// if the last node edited was of the same time, reuse the input element.</span>
<span class="c"></span> <span class="nx">input</span> <span class="o">=</span> <span class="nx">editorData</span><span class="o">.</span><span class="nx">inputElement</span><span class="o">;</span>
<span class="o">}</span>
<span class="nx">input</span><span class="o">.</span><span class="nx">value</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="k">label</span><span class="o">;</span>
<span class="nx">input</span><span class="o">.</span><span class="nx">focus</span><span class="o">();</span>
<span class="nx">input</span><span class="o">.</span><span class="nx">select</span><span class="o">();</span>
<span class="o">};</span>
<span class="c">/**</span>
<span class="c"> * Saves the value entered in the editor into the TextNode label property and displays it</span>
<span class="c"> * Overrides Node.saveEditorValue</span>
<span class="c"> * @method saveEditorValue</span>
<span class="c"> * @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information</span>
<span class="c"> * @for YAHOO.widget.TextNode</span>
<span class="c"> */</span>
<span class="nx">TNproto</span><span class="o">.</span><span class="nx">saveEditorValue</span> <span class="o">=</span> <span class="k">function</span> <span class="o">(</span><span class="nx">editorData</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">node</span> <span class="o">=</span> <span class="nx">editorData</span><span class="o">.</span><span class="nx">node</span><span class="o">,</span> <span class="nx">value</span> <span class="o">=</span> <span class="nx">editorData</span><span class="o">.</span><span class="nx">inputElement</span><span class="o">.</span><span class="nx">value</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="nx">value</span><span class="o">;</span>
<span class="nx">node</span><span class="o">.</span><span class="nx">data</span><span class="o">.</span><span class="k">label</span> <span class="o">=</span> <span class="nx">value</span><span class="o">;</span>
<span class="nx">node</span><span class="o">.</span><span class="nx">getLabelEl</span><span class="o">().</span><span class="nx">innerHTML</span> <span class="o">=</span> <span class="nx">value</span><span class="o">;</span>
<span class="o">};</span>
<span class="c">/**</span>
<span class="c"> * Destroys the contents of the inline editor panel</span>
<span class="c"> * Overrides Node.destroyEditorContent</span>
<span class="c"> * Since we didn&#39;t set any event listeners on this inline editor, it is more efficient to avoid the generic method in Node</span>
<span class="c"> * @method destroyEditorContents</span>
<span class="c"> * @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information</span>
<span class="c"> * @for YAHOO.widget.TextNode</span>
<span class="c"> */</span>
<span class="nx">TNproto</span><span class="o">.</span><span class="nx">destroyEditorContents</span> <span class="o">=</span> <span class="k">function</span> <span class="o">(</span><span class="nx">editorData</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">editorData</span><span class="o">.</span><span class="nx">inputContainer</span><span class="o">.</span><span class="nx">innerHTML</span> <span class="o">=</span> <span class="s1">&#39;&#39;</span><span class="o">;</span>
<span class="o">};</span>
<span class="o">})();</span>
</pre></div>
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