-<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> <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
- id: 1,\r
- text: <em>'A leaf Node'</em>,\r
- leaf: true\r
- },{\r
- id: 2,\r
- text: <em>'A folder Node'</em>,\r
- children: [{\r
- id: 3,\r
- text: <em>'A child Node'</em>,\r
- leaf: true\r
- }]\r
- }]</code></pre>\r
-<br><br>\r
-A server request is sent, and child nodes are loaded only when a node is expanded.\r
-The loading node's id is passed to the server under the parameter name "node" to\r
-enable the server to produce the correct child nodes.\r
-<br><br>\r
-To pass extra parameters, an event handler may be attached to the "beforeload"\r
-event, and the parameters specified in the TreeLoader's baseParams property:\r
-<pre><code>myTreeLoader.on(<em>"beforeload"</em>, <b>function</b>(treeLoader, node) {\r
- this.baseParams.category = node.attributes.category;\r
- }, this);</code></pre>\r
-This would pass an HTTP parameter called "category" to the server containing\r
-the value of the Node's "category" attribute.</div><div class="hr"></div><a id="Ext.tree.TreeLoader-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-baseAttrs"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-baseAttrs">baseAttrs</a></b> : Object<div class="mdesc"><div class="short">An object containing attributes to be added to all nodes
-created by this loader. If the attributes sent by the serve...</div><div class="long">An object containing attributes to be added to all nodes\r
-created by this loader. If the attributes sent by the server have an attribute in this object,\r
-they take priority.</div></div></td><td class="msource">TreeLoader</td></tr><tr class="config-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-baseParams"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-baseParams">baseParams</a></b> : Object<div class="mdesc">An object containing properties which\r
-specify HTTP parameters to be passed to each request for child nodes.</div></td><td class="msource">TreeLoader</td></tr><tr class="config-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-clearOnLoad"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-clearOnLoad">clearOnLoad</a></b> : Boolean<div class="mdesc">Default to true. Remove previously existing\r
-child nodes before loading.</div></td><td class="msource">TreeLoader</td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-dataUrl"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-dataUrl">dataUrl</a></b> : String<div class="mdesc"><div class="short">The URL from which to request a Json string which
-specifies an array of node definition objects representing the chi...</div><div class="long">The URL from which to request a Json string which\r
-specifies an array of node definition objects representing the child nodes\r
+<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> <a class="inner-link" href="#Ext.tree.TreeLoader-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a> <a class="inner-link" href="#Ext.tree.TreeLoader-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a> <a class="inner-link" href="#Ext.tree.TreeLoader-configs"><img src="../resources/images/default/s.gif" class="item-icon icon-config">Config Options</a> <a class="bookmark" href="../docs/?class=Ext.tree.TreeLoader"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a> </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> <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"><a href="source/TreeLoader.html#cls-Ext.tree.TreeLoader">TreeLoader.js</a></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
+nodes from a specified URL. The response must be a JavaScript Array definition
+whose elements are node definition objects. e.g.:
+<pre><code>[{
+ id: 1,
+ text: <em>'A leaf Node'</em>,
+ leaf: true
+ },{
+ id: 2,
+ text: <em>'A folder Node'</em>,
+ children: [{
+ id: 3,
+ text: <em>'A child Node'</em>,
+ leaf: true
+ }]
+ }]</code></pre>
+<br><br>
+A server request is sent, and child nodes are loaded only when a node is expanded.
+The loading node's id is passed to the server under the parameter name "node" to
+enable the server to produce the correct child nodes.
+<br><br>
+To pass extra parameters, an event handler may be attached to the "beforeload"
+event, and the parameters specified in the TreeLoader's baseParams property:
+<pre><code>myTreeLoader.on(<em>"beforeload"</em>, <b>function</b>(treeLoader, node) {
+ this.baseParams.category = node.attributes.category;
+ }, this);</code></pre>
+This would pass an HTTP parameter called "category" to the server containing
+the value of the Node's "category" attribute.</div><div class="hr"></div><a id="Ext.tree.TreeLoader-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-baseAttrs"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-baseAttrs">baseAttrs</a></b> : Object<div class="mdesc"><div class="short">An object containing attributes to be added to all nodes
+created by this loader. If the attributes sent by the server...</div><div class="long">An object containing attributes to be added to all nodes
+created by this loader. If the attributes sent by the server have an attribute in this object,
+they take priority.</div></div></td><td class="msource">TreeLoader</td></tr><tr class="config-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-baseParams"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-baseParams">baseParams</a></b> : Object<div class="mdesc">An object containing properties which
+specify HTTP parameters to be passed to each request for child nodes.</div></td><td class="msource">TreeLoader</td></tr><tr class="config-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-clearOnLoad"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-clearOnLoad">clearOnLoad</a></b> : Boolean<div class="mdesc">Default to true. Remove previously existing
+child nodes before loading.</div></td><td class="msource">TreeLoader</td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-dataUrl"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-dataUrl">dataUrl</a></b> : String<div class="mdesc"><div class="short">The URL from which to request a Json string which
+specifies an array of node definition objects representing the chil...</div><div class="long">The URL from which to request a Json string which
+specifies an array of node definition objects representing the child nodes
to be loaded.</div></div></td><td class="msource">TreeLoader</td></tr><tr class="config-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-directFn"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-directFn">directFn</a></b> : Function<div class="mdesc">Function to call when executing a request.</div></td><td class="msource">TreeLoader</td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-listeners"></a><b><a href="source/Observable.html#cfg-Ext.util.Observable-listeners">listeners</a></b> : Object<div class="mdesc"><div class="short">A config object containing one or more event handlers to be added to this
object during initialization. This should ...</div><div class="long"><p>A config object containing one or more event handlers to be added to this
object during initialization. This should be a valid listeners config object as specified in the
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 "><td class="micon"><a href="#expand" class="exi"> </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"> </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.
-Specifies the params in the order in which they must be passed...</div><div class="long">Defaults to <tt>undefined</tt>. Only used when using directFn.\r
-Specifies the params in the order in which they must be passed to the server-side Direct method\r
-as either (1) an Array of String values, or (2) a String of params delimited by either whitespace,\r
-comma, or pipe. For example,\r
-any of the following would be acceptable:<pre><code>nodeParameter: <em>'node'</em>,\r
-paramOrder: [<em>'param1'</em>,<em>'param2'</em>,<em>'param3'</em>]\r
-paramOrder: <em>'node param1 param2 param3'</em>\r
-paramOrder: <em>'param1,node,param2,param3'</em>\r
-paramOrder: <em>'param1|param2|param|node'</em></code></pre></div></div></td><td class="msource">TreeLoader</td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-paramsAsHash"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-paramsAsHash">paramsAsHash</a></b> : Boolean<div class="mdesc"><div class="short">Only used when using directFn.
-Send parameters as a collection of named arguments (defaults to false). Providing a
-...</div><div class="long">Only used when using directFn.\r
-Send parameters as a collection of named arguments (defaults to <tt>false</tt>). Providing a\r
-<tt><a href="output/Ext.tree.TreeLoader.html#Ext.tree.TreeLoader-paramOrder" ext:member="paramOrder" ext:cls="Ext.tree.TreeLoader">paramOrder</a></tt> nullifies this configuration.</div></div></td><td class="msource">TreeLoader</td></tr><tr class="config-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-preloadChildren"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-preloadChildren">preloadChildren</a></b> : Boolean<div class="mdesc">If set to true, the loader recursively loads "children" attributes when doing the first load on nodes.</div></td><td class="msource">TreeLoader</td></tr><tr class="config-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-requestMethod"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-requestMethod">requestMethod</a></b> : String<div class="mdesc">The HTTP request method for loading data (defaults to the value of <a href="output/Ext.Ajax.html#Ext.Ajax-method" ext:member="method" ext:cls="Ext.Ajax">Ext.Ajax.method</a>).</div></td><td class="msource">TreeLoader</td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-uiProviders"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-uiProviders">uiProviders</a></b> : Object<div class="mdesc"><div class="short">An object containing properties which
-specify custom Ext.tree.TreeNodeUI implementations. If the optional
-uiProvide...</div><div class="long">An object containing properties which\r
-specify custom <a href="output/Ext.tree.TreeNodeUI.html" ext:cls="Ext.tree.TreeNodeUI">Ext.tree.TreeNodeUI</a> implementations. If the optional\r
-<i>uiProvider</i> attribute of a returned child node is a string rather\r
-than a reference to a TreeNodeUI implementation, then that string value\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"> </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
+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"> </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.
+Specifies the params in the order in which they must be passed ...</div><div class="long">Defaults to <tt>undefined</tt>. Only used when using directFn.
+Specifies the params in the order in which they must be passed to the server-side Direct method
+as either (1) an Array of String values, or (2) a String of params delimited by either whitespace,
+comma, or pipe. For example,
+any of the following would be acceptable:<pre><code>nodeParameter: <em>'node'</em>,
+paramOrder: [<em>'param1'</em>,<em>'param2'</em>,<em>'param3'</em>]
+paramOrder: <em>'node param1 param2 param3'</em>
+paramOrder: <em>'param1,node,param2,param3'</em>
+paramOrder: <em>'param1|param2|param|node'</em></code></pre></div></div></td><td class="msource">TreeLoader</td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-paramsAsHash"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-paramsAsHash">paramsAsHash</a></b> : Boolean<div class="mdesc"><div class="short">Only used when using directFn.
+Send parameters as a collection of named arguments (defaults to false). Providing a
+pa...</div><div class="long">Only used when using directFn.
+Send parameters as a collection of named arguments (defaults to <tt>false</tt>). Providing a
+<tt><a href="output/Ext.tree.TreeLoader.html#Ext.tree.TreeLoader-paramOrder" ext:member="paramOrder" ext:cls="Ext.tree.TreeLoader">paramOrder</a></tt> nullifies this configuration.</div></div></td><td class="msource">TreeLoader</td></tr><tr class="config-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-preloadChildren"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-preloadChildren">preloadChildren</a></b> : Boolean<div class="mdesc">If set to true, the loader recursively loads "children" attributes when doing the first load on nodes.</div></td><td class="msource">TreeLoader</td></tr><tr class="config-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-requestMethod"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-requestMethod">requestMethod</a></b> : String<div class="mdesc">The HTTP request method for loading data (defaults to the value of <a href="output/Ext.Ajax.html#Ext.Ajax-method" ext:member="method" ext:cls="Ext.Ajax">Ext.Ajax.method</a>).</div></td><td class="msource">TreeLoader</td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-uiProviders"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-uiProviders">uiProviders</a></b> : Object<div class="mdesc"><div class="short">An object containing properties which
+specify custom Ext.tree.TreeNodeUI implementations. If the optional
+uiProvider ...</div><div class="long">An object containing properties which
+specify custom <a href="output/Ext.tree.TreeNodeUI.html" ext:cls="Ext.tree.TreeNodeUI">Ext.tree.TreeNodeUI</a> implementations. If the optional
+<i>uiProvider</i> attribute of a returned child node is a string rather
+than a reference to a TreeNodeUI implementation, then that string value
is used as a property name in the uiProviders object.</div></div></td><td class="msource">TreeLoader</td></tr><tr class="config-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-url"></a><b><a href="source/TreeLoader.html#cfg-Ext.tree.TreeLoader-url">url</a></b> : String<div class="mdesc">Equivalent to <a href="output/Ext.tree.TreeLoader.html#Ext.tree.TreeLoader-dataUrl" ext:member="dataUrl" ext:cls="Ext.tree.TreeLoader">dataUrl</a>.</div></td><td class="msource">TreeLoader</td></tr></tbody></table><a id="Ext.tree.TreeLoader-props"></a><h2>Public Properties</h2><div class="no-members">This class has no public properties.</div><a id="Ext.tree.TreeLoader-methods"></a><h2>Public Methods</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Method</th><th class="msource-header">Defined By</th></tr><tr class="method-row expandable"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-TreeLoader"></a><b><a href="source/TreeLoader.html#cls-Ext.tree.TreeLoader">TreeLoader</a></b>( <code>Object config</code> )
<div class="mdesc"><div class="short">Creates a new Treeloader.</div><div class="long">Creates a new Treeloader.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>config</code> : Object<div class="sub-desc">A config object containing config properties.</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"> </a></td><td class="sig"><a id="Ext.util.Observable-addEvents"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addEvents">addEvents</a></b>( <code>Object|String o</code>, <code>string Optional.</code> )
:
scope: this
});</code></pre></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#addListener" ext:member="#addListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-createNode"></a><b><a href="source/TreeLoader.html#method-Ext.tree.TreeLoader-createNode">createNode</a></b>( <code>attr {Object}</code> )
:
- void<div class="mdesc"><div class="short">Override this function for custom TreeNode node implementation, or to
-modify the attributes at creation time.
-Examp...</div><div class="long"><p>Override this function for custom TreeNode node implementation, or to\r
-modify the attributes at creation time.</p>\r
-Example:<pre><code><b>new</b> Ext.tree.TreePanel({\r
- ...\r
- loader: <b>new</b> Ext.tree.TreeLoader({\r
- url: <em>'dataUrl'</em>,\r
- createNode: <b>function</b>(attr) {\r
-<i>// Allow consolidation consignments to have\r</i>
-<i>// consignments dropped into them.\r</i>
- <b>if</b> (attr.isConsolidation) {\r
- attr.iconCls = <em>'x-consol'</em>,\r
- attr.allowDrop = true;\r
- }\r
- <b>return</b> Ext.tree.TreeLoader.prototype.createNode.call(this, attr);\r
- }\r
- }),\r
- ...\r
+ void<div class="mdesc"><div class="short">Override this function for custom TreeNode node implementation, or to
+modify the attributes at creation time.
+Example...</div><div class="long"><p>Override this function for custom TreeNode node implementation, or to
+modify the attributes at creation time.</p>
+Example:<pre><code><b>new</b> Ext.tree.TreePanel({
+ ...
+ loader: <b>new</b> Ext.tree.TreeLoader({
+ url: <em>'dataUrl'</em>,
+ createNode: <b>function</b>(attr) {
+<i>// Allow consolidation consignments to have</i>
+<i>// consignments dropped into them.</i>
+ <b>if</b> (attr.isConsolidation) {
+ attr.iconCls = <em>'x-consol'</em>,
+ attr.allowDrop = true;
+ }
+ <b>return</b> Ext.tree.TreeLoader.prototype.createNode.call(this, attr);
+ }
+ }),
+ ...
});</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"> </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>( <code>String/Array events</code> )
:
- void<div class="mdesc"><div class="short">Enables events fired by this Observable to bubble up an owner hierarchy by calling
-this.getBubbleTarget() if present...</div><div class="long"><p>Enables events fired by this Observable to bubble up an owner hierarchy by calling\r
-<code>this.getBubbleTarget()</code> if present. There is no implementation in the Observable base class.</p>\r
-<p>This is commonly used by Ext.Components to bubble events to owner Containers. See <a href="output/Ext.Component.getBubbleTarget.html" ext:cls="Ext.Component.getBubbleTarget">Ext.Component.getBubbleTarget</a>. The default\r
-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'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'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
- <b>return</b> this.formPanel;\r
- }\r
-});\r
-\r
-<b>var</b> myForm = <b>new</b> Ext.formPanel({\r
- title: <em>'User Details'</em>,\r
- items: [{\r
- ...\r
- }],\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
- }\r
- }\r
+ void<div class="mdesc"><div class="short">Enables events fired by this Observable to bubble up an owner hierarchy by calling
+this.getBubbleTarget() if present....</div><div class="long"><p>Enables events fired by this Observable to bubble up an owner hierarchy by calling
+<code>this.getBubbleTarget()</code> if present. There is no implementation in the Observable base class.</p>
+<p>This is commonly used by Ext.Components to bubble events to owner Containers. See <a href="output/Ext.Component.getBubbleTarget.html" ext:cls="Ext.Component.getBubbleTarget">Ext.Component.getBubbleTarget</a>. The default
+implementation in Ext.Component returns the Component's immediate owner. But if a known target is required, this can be overridden to
+access the required target more quickly.</p>
+<p>Example:</p><pre><code>Ext.override(Ext.form.Field, {
+ <i>// Add functionality to Field's initComponent to enable the change event to bubble</i>
+ initComponent : Ext.form.Field.prototype.initComponent.createSequence(<b>function</b>() {
+ this.enableBubble(<em>'change'</em>);
+ }),
+
+ <i>// We know that we want Field's events to bubble directly to the FormPanel.</i>
+ getBubbleTarget : <b>function</b>() {
+ <b>if</b> (!this.formPanel) {
+ this.formPanel = this.findParentByType(<em>'form'</em>);
+ }
+ <b>return</b> this.formPanel;
+ }
+});
+
+<b>var</b> myForm = <b>new</b> Ext.formPanel({
+ title: <em>'User Details'</em>,
+ items: [{
+ ...
+ }],
+ listeners: {
+ change: <b>function</b>() {
+ <i>// Title goes red <b>if</b> form has been modified.</i>
+ myForm.header.setStyle(<em>'color'</em>, <em>'red'</em>);
+ }
+ }
});</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"> </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>( <code>String eventName</code>, <code>Object... args</code> )
:
Boolean<div class="mdesc"><div class="short">Fires the specified event with the passed parameters (minus the event name).
<p>An event may be set to bubble up an Observable parent hierarchy (See <a href="output/Ext.Component.html#Ext.Component-getBubbleTarget" ext:member="getBubbleTarget" ext:cls="Ext.Component">Ext.Component.getBubbleTarget</a>)
by calling <a href="output/Ext.util.Observable.html#Ext.util.Observable-enableBubble" ext:member="enableBubble" ext:cls="Ext.util.Observable">enableBubble</a>.</p><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to fire.</div></li><li><code>args</code> : Object...<div class="sub-desc">Variable number of parameters are passed to handlers.</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">returns false if any of the handlers return false otherwise it returns true.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#fireEvent" ext:member="#fireEvent" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-hasListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-hasListener">hasListener</a></b>( <code>String eventName</code> )
:
- Boolean<div class="mdesc"><div class="short">Checks to see if this object has any listeners for a specified event</div><div class="long">Checks to see if this object has any listeners for a specified event<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to check for</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">True if the event is being listened for, else false</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#hasListener" ext:member="#hasListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-load"></a><b><a href="source/TreeLoader.html#method-Ext.tree.TreeLoader-load">load</a></b>( <code>Ext.tree.TreeNode node</code>, <code>Function callback</code>, <code>(Object) scope</code> )
+ Boolean<div class="mdesc"><div class="short">Checks to see if this object has any listeners for a specified event</div><div class="long">Checks to see if this object has any listeners for a specified event<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to check for</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">True if the event is being listened for, else false</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#hasListener" ext:member="#hasListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.tree.TreeLoader-load"></a><b><a href="source/TreeLoader.html#method-Ext.tree.TreeLoader-load">load</a></b>( <code>Ext.tree.TreeNode node</code>, <code>Function callback</code>, <code>Object scope</code> )
:
- void<div class="mdesc"><div class="short">Load an Ext.tree.TreeNode from the URL specified in the constructor.
-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">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
+ void<div class="mdesc"><div class="short">Load an Ext.tree.TreeNode from the URL specified in the constructor.
+This is called automatically when a node is expa...</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.
+This is called automatically when a node is expanded, but may be used to reload
+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
+function is passed the TreeNode which was requested to be loaded.</div></li><li><code>scope</code> : Object<div class="sub-desc">The scope (<code>this</code> reference) in which the callback is executed.
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"> </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>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span>, <span title="Optional" class="optional">[<code>Object options</code>]</span> )
:
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.
git.ithinksw.org / extjs.git / blobdiff