Upgrade to ExtJS 3.1.0 - Released 12/16/2009
[extjs.git] / docs / output / Ext.tree.TreeLoader.html
index 8423993..789db2b 100644 (file)
@@ -1,4 +1,4 @@
-<div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.tree.TreeLoader-props"><img src="resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>&#13;<a class="inner-link" href="#Ext.tree.TreeLoader-methods"><img src="resources/images/default/s.gif" class="item-icon icon-method">Methods</a>&#13;<a class="inner-link" href="#Ext.tree.TreeLoader-events"><img src="resources/images/default/s.gif" class="item-icon icon-event">Events</a>&#13;<a class="inner-link" href="#Ext.tree.TreeLoader-configs"><img src="resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>&#13;<a class="bookmark" href="../docs/?class=Ext.tree.TreeLoader"><img src="resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>&#13;</div><div class="inheritance res-block"><pre class="res-block-inner"><a href="output/Ext.util.Observable.html" ext:member="" ext:cls="Ext.util.Observable">Observable</a>&#13;&nbsp;&nbsp;<img src="resources/elbow-end.gif">TreeLoader</pre></div><h1>Class <a href="source/TreeLoader.html#cls-Ext.tree.TreeLoader">Ext.tree.TreeLoader</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.tree</td></tr><tr><td class="label">Defined In:</td><td class="hd-info">TreeLoader.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/TreeLoader.html#cls-Ext.tree.TreeLoader">TreeLoader</a></td></tr><tr><td class="label">Subclasses:</td><td class="hd-info"><a href="output/Ext.ux.tree.XmlTreeLoader.html" ext:cls="Ext.ux.tree.XmlTreeLoader">XmlTreeLoader</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.util.Observable.html" ext:cls="Ext.util.Observable" ext:member="">Observable</a></td></tr><tr><td class="hd-info"></td></tr></table><div class="description">A TreeLoader provides for lazy loading of an <a href="output/Ext.tree.TreeNode.html" ext:cls="Ext.tree.TreeNode">Ext.tree.TreeNode</a>'s child\r
+<div xmlns:ext="http://www.extjs.com" class="body-wrap"><div class="inheritance res-block"><pre class="res-block-inner"><a href="output/Ext.util.Observable.html" ext:member="" ext:cls="Ext.util.Observable">Observable</a>&#13;&nbsp;&nbsp;<img src="resources/elbow-end.gif">TreeLoader</pre></div><h1>Class <a href="source/TreeLoader.html#cls-Ext.tree.TreeLoader">Ext.tree.TreeLoader</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.tree</td></tr><tr><td class="label">Defined In:</td><td class="hd-info">TreeLoader.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/TreeLoader.html#cls-Ext.tree.TreeLoader">TreeLoader</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.util.Observable.html" ext:cls="Ext.util.Observable" ext:member="">Observable</a></td></tr></table><div class="description">A TreeLoader provides for lazy loading of an <a href="output/Ext.tree.TreeNode.html" ext:cls="Ext.tree.TreeNode">Ext.tree.TreeNode</a>'s child\r
 nodes from a specified URL. The response must be a JavaScript Array definition\r
 whose elements are node definition objects. e.g.:\r
 <pre><code>[{\r
@@ -88,7 +88,8 @@ Ext.DomObserver = Ext.extend(Object, {
     typeAhead: true,
     mode: <em>'local'</em>,
     triggerAction: <em>'all'</em>
-});</code></pre></p></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#listeners" ext:member="#listeners" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.tree.TreeLoader-paramOrder"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-paramOrder">paramOrder</a></b> : Array/String<div class="mdesc"><div class="short">Defaults to undefined. Only used when using directFn.&#13;\r
+});</code></pre></p></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#listeners" ext:member="#listeners" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.tree.TreeLoader-nodeParameter"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-nodeParameter">nodeParameter</a></b> : String<div class="mdesc">The name of the parameter sent to the server which contains\r
+the identifier of the node. Defaults to <tt>'node'</tt>.</div></td><td class="msource">TreeLoader</td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.tree.TreeLoader-paramOrder"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-paramOrder">paramOrder</a></b> : Array/String<div class="mdesc"><div class="short">Defaults to undefined. Only used when using directFn.&#13;\r
 A list of params to be executed&#13;\r
 server side.  Specify the par...</div><div class="long">Defaults to <tt>undefined</tt>. Only used when using directFn.\r
 A list of params to be executed\r
@@ -185,7 +186,7 @@ Example:<pre><code><b>new</b> Ext.tree.TreePanel({
         }\r
     }),\r
     ...\r
-});</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>{Object}</code> : attr<div class="sub-desc">The attributes from which to create the new node.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">TreeLoader</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-enableBubble"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-enableBubble">enableBubble</a></b>(&nbsp;<code>Object&nbsp;events</code>&nbsp;)\r
+});</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>{Object}</code> : attr<div class="sub-desc">The attributes from which to create the new node.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">TreeLoader</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-enableBubble"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-enableBubble">enableBubble</a></b>(&nbsp;<code>String/Array&nbsp;events</code>&nbsp;)\r
     :\r
                                         void<div class="mdesc"><div class="short">Enables events fired by this Observable to bubble up an owner hierarchy by calling&#13;\r
 this.getBubbleTarget() if present...</div><div class="long"><p>Enables events fired by this Observable to bubble up an owner hierarchy by calling\r
@@ -194,13 +195,13 @@ this.getBubbleTarget() if present...</div><div class="long"><p>Enables events fi
 implementation in Ext.Component returns the Component's immediate owner. But if a known target is required, this can be overridden to\r
 access the required target more quickly.</p>\r
 <p>Example:</p><pre><code>Ext.override(Ext.form.Field, {\r
-<i>//  Add functionality to Field<em>'s initComponent to enable the change event to bubble\r</i>
-    initComponent: Ext.form.Field.prototype.initComponent.createSequence(<b>function</b>() {\r
-        this.enableBubble('</em>change<em>');\r
+    <i>//  Add functionality to Field&#39;s initComponent to enable the change event to bubble\r</i>
+    initComponent : Ext.form.Field.prototype.initComponent.createSequence(<b>function</b>() {\r
+        this.enableBubble(<em>'change'</em>);\r
     }),\r
 \r
-<i>//  We know that we want Field'</em>s events to bubble directly to the FormPanel.\r</i>
-    getBubbleTarget: <b>function</b>() {\r
+    <i>//  We know that we want Field&#39;s events to bubble directly to the FormPanel.\r</i>
+    getBubbleTarget : <b>function</b>() {\r
         <b>if</b> (!this.formPanel) {\r
             this.formPanel = this.findParentByType(<em>'form'</em>);\r
         }\r
@@ -215,11 +216,11 @@ access the required target more quickly.</p>
     }],\r
     listeners: {\r
         change: <b>function</b>() {\r
-<i>//          Title goes red <b>if</b> form has been modified.\r</i>
-            myForm.header.setStyle(<em>"color"</em>, <em>"red"</em>);\r
+            <i>// Title goes red <b>if</b> form has been modified.\r</i>
+            myForm.header.setStyle(<em>'color'</em>, <em>'red'</em>);\r
         }\r
     }\r
-});</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>events</code> : Object<div class="sub-desc">The event name to bubble, or an Array of event names.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#enableBubble" ext:member="#enableBubble" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-fireEvent"></a><b><a href="source/Observable.html#method-Ext.util.Observable-fireEvent">fireEvent</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Object...&nbsp;args</code>&nbsp;)\r
+});</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>events</code> : String/Array<div class="sub-desc">The event name to bubble, or an Array of event names.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#enableBubble" ext:member="#enableBubble" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-fireEvent"></a><b><a href="source/Observable.html#method-Ext.util.Observable-fireEvent">fireEvent</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Object...&nbsp;args</code>&nbsp;)\r
     :\r
                                         Boolean<div class="mdesc"><div class="short">Fires the specified event with the passed parameters (minus the event name).\r
 An event may be set to bubble up an Obse...</div><div class="long"><p>Fires the specified event with the passed parameters (minus the event name).</p>
@@ -231,7 +232,9 @@ by calling <a href="output/Ext.util.Observable.html#Ext.util.Observable-enableBu
                                         void<div class="mdesc"><div class="short">Load an Ext.tree.TreeNode from the URL specified in the constructor.&#13;\r
 This is called automatically when a node is exp...</div><div class="long">Load an <a href="output/Ext.tree.TreeNode.html" ext:cls="Ext.tree.TreeNode">Ext.tree.TreeNode</a> from the URL specified in the constructor.\r
 This is called automatically when a node is expanded, but may be used to reload\r
-a node (or append new children if the <a href="output/Ext.tree.TreeLoader.html#Ext.tree.TreeLoader-clearOnLoad" ext:member="clearOnLoad" ext:cls="Ext.tree.TreeLoader">clearOnLoad</a> option is false.)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>node</code> : Ext.tree.TreeNode<div class="sub-desc"></div></li><li><code>callback</code> : Function<div class="sub-desc"></div></li><li><code>scope</code> : (Object)<div class="sub-desc"></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">TreeLoader</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-on"></a><b><a href="source/Observable.html#method-Ext.util.Observable-on">on</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;options</code>]</span>&nbsp;)\r
+a node (or append new children if the <a href="output/Ext.tree.TreeLoader.html#Ext.tree.TreeLoader-clearOnLoad" ext:member="clearOnLoad" ext:cls="Ext.tree.TreeLoader">clearOnLoad</a> option is false.)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>node</code> : Ext.tree.TreeNode<div class="sub-desc"></div></li><li><code>callback</code> : Function<div class="sub-desc">Function to call after the node has been loaded. The \r
+function is passed the TreeNode which was requested to be loaded.</div></li><li><code>scope</code> : (Object)<div class="sub-desc">The cope (<code>this</code> reference) in which the callback is executed.\r
+defaults to the loaded TreeNode.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">TreeLoader</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-on"></a><b><a href="source/Observable.html#method-Ext.util.Observable-on">on</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;options</code>]</span>&nbsp;)\r
     :\r
                                         void<div class="mdesc"><div class="short">Appends an event handler to this object (shorthand for addListener.)</div><div class="long">Appends an event handler to this object (shorthand for <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a>.)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (<code><b>this</b></code> reference) in which the handler function is executed.
 <b>If omitted, defaults to the object which fired the event.</b></div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#on" ext:member="#on" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-purgeListeners"></a><b><a href="source/Observable.html#method-Ext.util.Observable-purgeListeners">purgeListeners</a></b>()\r