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A Reusable Item Renderer - XML

The List Control is a fundamental control for use in Flex. It can be used in many different situations and can display all types of data. Anything from images to plain text and even basic HTML (supported by Flex) can be used. Keep reading for an introduction to this versatile control.

TABLE OF CONTENTS:
  1. Flex List Controls
  2. Creating an XML List
  3. Adding an Item Renderer
  4. A Reusable Item Renderer
By: Keith Lee
Rating: starstarstarstarstar / 15
July 07, 2009

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 As stated earlier, here is the same application, but this code uses a reusable itemRenderer:

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx=http://www.adobe.com/2006/mxml 
layout="absolute">
<mx:Component id="myItemRenderer"> <mx:HBox> <mx:CheckBox/>
<mx:Label text="{data.@label}"/>
</mx:HBox> </mx:Component>
<mx:Panel title="My List" width="100%"> <mx:List labelField="@label" width="100%" itemRenderer="{myItemRenderer}"> <mx:dataProvider> <mx:XMLList xmlns=""> <fruit label="Apple"/> <fruit label="Orange"/> <fruit label="Cherry"/> <fruit label="Mango"/> <fruit label="Peach"/> <fruit label="Plum"/> <fruit label="Banana"/> </mx:XMLList> </mx:dataProvider> </mx:List> </mx:Panel> </mx:Application>

Notice the declaration of the <mx:Component> tag outside of out <mx:List> tag. Now that this definition is not tied to the list control, and other data aware control can use it as an item renderer.

There you have it. A easy introduction into the List Control and Item Renderers. Enjoy.



 
 
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