-<html><head><title>../roojs1/Roo/tree/TreeLoader.js</title><link rel="stylesheet" type="text/css" href="../../../css/highlight-js.css"/></head><body class="highlightpage"><code class="jsdoc-pretty"><span class="jsdoc-comment">/*
+<html><head><title>/home/alan/gitlive/roojs1/Roo/tree/TreeLoader.js</title><link rel="stylesheet" type="text/css" href="../../css/highlight-js.css"/></head><body class="highlightpage"><code class="jsdoc-pretty"><span class="jsdoc-comment">/*
* Based on:
* Ext JS Library 1.1.1
* Copyright(c) 2006-2007, Ext JS, LLC.
</span><span class="jsdoc-var">Roo.apply</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">config</span><span class="jsdoc-syntax">);
</span><span class="jsdoc-var">this.addEvents</span><span class="jsdoc-syntax">({
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</span><span class="jsdoc-comment">/**
* @event beforeload
* Fires before a network request is made to retrieve the Json text which specifies a node's children.
* property on loading, rather than expecting an array. (eg. more compatible to a standard
* Grid query { data : [ .....] }
*/
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</span><span class="jsdoc-var">root </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">,
</span><span class="jsdoc-comment">/**
* @cfg {String} queryParam (optional)
* Name of the query as it will be passed on the querystring (defaults to 'node')
* eg. the request will be ?node=[id]
*/
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</span><span class="jsdoc-var">queryParam</span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">,
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</span><span class="jsdoc-comment">/**
* Load an {@link Roo.tree.TreeNode} from the URL specified in the constructor.
* This is called automatically when a node is expanded, but may be used to reload
</span><span class="jsdoc-var">attr.loader </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">;
}
</span><span class="jsdoc-comment">// uiProvider = depreciated..
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</span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">typeof</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">attr.uiProvider</span><span class="jsdoc-syntax">) == </span><span class="jsdoc-string">'string'</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-var">attr.uiProvider </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.uiProviders</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">attr.uiProvider</span><span class="jsdoc-syntax">] ||
+ </span><span class="jsdoc-var">attr.uiProvider </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.uiProviders</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">attr.uiProvider</span><span class="jsdoc-syntax">] ||
</span><span class="jsdoc-comment">/** eval:var:attr */ </span><span class="jsdoc-keyword">eval</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">attr.uiProvider</span><span class="jsdoc-syntax">);
}
</span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">typeof</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.uiProviders</span><span class="jsdoc-syntax">[</span><span class="jsdoc-string">'default'</span><span class="jsdoc-syntax">]) != </span><span class="jsdoc-string">'undefined'</span><span class="jsdoc-syntax">) {
</span><span class="jsdoc-var">attr.uiProvider </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.uiProviders</span><span class="jsdoc-syntax">[</span><span class="jsdoc-string">'default'</span><span class="jsdoc-syntax">];
}
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</span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">'create'</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">attr</span><span class="jsdoc-syntax">);
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</span><span class="jsdoc-var">attr.leaf </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">typeof</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">attr.leaf</span><span class="jsdoc-syntax">) == </span><span class="jsdoc-string">'string' </span><span class="jsdoc-syntax">? </span><span class="jsdoc-var">attr.leaf </span><span class="jsdoc-syntax">* 1 : </span><span class="jsdoc-var">attr.leaf</span><span class="jsdoc-syntax">;
</span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">attr.leaf </span><span class="jsdoc-syntax">?
</span><span class="jsdoc-keyword">new </span><span class="jsdoc-var">Roo.tree.TreeNode</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">attr</span><span class="jsdoc-syntax">) :
{
</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">json </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">response.responseText</span><span class="jsdoc-syntax">;
</span><span class="jsdoc-keyword">try </span><span class="jsdoc-syntax">{
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</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">o </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Roo.decode</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">json</span><span class="jsdoc-syntax">);
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</span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.root </span><span class="jsdoc-syntax">=== </span><span class="jsdoc-keyword">false </span><span class="jsdoc-syntax">&& </span><span class="jsdoc-keyword">typeof</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">o.success</span><span class="jsdoc-syntax">) != </span><span class="jsdoc-var">undefined</span><span class="jsdoc-syntax">) {
</span><span class="jsdoc-var">this.root </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">'data'</span><span class="jsdoc-syntax">; </span><span class="jsdoc-comment">// the default behaviour for list like data..
</span><span class="jsdoc-syntax">}
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</span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.root </span><span class="jsdoc-syntax">!== </span><span class="jsdoc-keyword">false </span><span class="jsdoc-syntax">&& !</span><span class="jsdoc-var">o.success</span><span class="jsdoc-syntax">) {
</span><span class="jsdoc-comment">// it's a failure condition.
</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">a </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">response.argument</span><span class="jsdoc-syntax">;
</span><span class="jsdoc-var">Roo.log</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"Load failed - should have a handler really"</span><span class="jsdoc-syntax">);
</span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
}
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</span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.root </span><span class="jsdoc-syntax">!== </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">) {
</span><span class="jsdoc-var">o </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">o</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">this.root</span><span class="jsdoc-syntax">];
}
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</span><span class="jsdoc-keyword">for</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= 0, </span><span class="jsdoc-var">len </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">o.length</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">< </span><span class="jsdoc-var">len</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">++){
</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">n </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.createNode</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">o</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">]);
</span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">){