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POFlex: Add items to DropDownList using ItemRenderer
 

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  1. POFlex: Add items to DropDownList using ItemRenderer
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    <p>I have a XML structure like: </p> <pre><code>&lt;Main&gt; &lt;Category1&gt; &lt;Data Name="Data1"&gt; &lt;Item&gt; &lt;Name&gt;foo&lt;/Name&gt; &lt;Info&gt;bar&lt;/Info&gt; &lt;/Item&gt; &lt;Item&gt; &lt;Name&gt;baz&lt;/Name&gt; &lt;Info&gt;FOO&lt;/Info&gt; &lt;/Item&gt; &lt;/Data&gt; &lt;Data Name="Data2"&gt; &lt;/Data&gt; &lt;/Category1&gt; &lt;Category2&gt; &lt;/Category2&gt; &lt;/Main&gt; </code></pre> <p>I use a custom <strong>DropDownList</strong> to populate it using an ItemRendererFunction:</p> <pre><code>&lt;s:Label text="{data.attribute('Name')}" top="3" left="10" right="10" bottom="3" color="0xFF00FF" /&gt; </code></pre> <p>if it has an attribute 'Name', else a regular Label. </p> <p>Render function is : </p> <pre><code>public function renderNode(item:*):IFactory { if (item.attribute('Name') != null) return new ClassFactory(SpecialItemRenderer); else return new ClassFactory(RegularItemRenderer); } </code></pre> <p>However, I specify the XML in the form of a dataProvider, as dProv.child('Category1'), hence I only get the 2 <code>&lt;Data&gt;</code> nodes in the <code>renderNode()</code>. But I also want to populate the <code>&lt;Item&gt;</code> nodes at the same time. </p> <p>I've tried using a loop using a new itemRendererFunction <code>newFunc(item:*):void</code>: </p> <pre><code>var nodes:XMLNode = item.children(); while(nodes) { this.renderNode(nodes); nodes = nodes.nextSibling; } </code></pre> <p>but got a runtime error as the <code>newFunc()</code> wouldn't be returning anything. </p> <p>Then I made changes to the original <code>renderNode()</code> by creating a <code>mx:Label</code> item dynamically &amp; adding it to <code>this</code> via <code>this.addElement(newLabel)</code> but this wouldn't place the Label in the drop down list, but on top of the control. </p> <p>So I'd like to know is there any way I can add these Items/label dynamically while parsing the original XML Data?</p> <p>Regards,<br> Nisheeth Barthwal</p>
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    1. USnbaztec
    1. USnbaztec
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    1. COWhat is your item renderer extending?
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    2. COa custom DropDownList.
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      1. USnbaztec
    3. COEDIT: I'm using a itemRendererFunction that places a Label based on Data. ItemRenderers for labels are defined in declarations.
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