A List control uses the iconFunction property to determine the icon to display for each item
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<!-- dpcontrols/ListIconFunction.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx">
<fx:Script>
// Embed icons.
[Embed(source="a.jpg")]
public var pavementSymbol:Class;
[Embed(source="a.jpg")]
public var normalSymbol:Class;
// Define data provider.
private var myDP: Array;
private function initList():void {
myDP = [
{Artist:'Pavement', Album:'Slanted and Enchanted', Price:11.99},
{Artist:'Pavarotti', Album:'Twilight', Price:11.99},
{Artist:'Other', Album:'Other', Price:5.99}];
list1.dataProvider = myDP;
}
// Determine icon based on artist. Pavement gets a special icon.
private function myiconfunction(item:Object):Class {
var type:String = item.Artist;
if (type == "Pavement") {
return pavementSymbol;
}
return normalSymbol;
}
</fx:Script>
<mx:VBox>
<mx:List id="list1" initialize="initList();" labelField="Artist"
iconFunction="myiconfunction" />
</mx:VBox>
</s:Application>
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