Styling individual tabs in a TabBar control

following example shows how you can style individual tabs in a Flex TabBar control by calling the  getChildAt()  method on the tab bar, and then calling  setStyle()  on the returned Tab reference.

A big thanks to Joan for helping me figure it out

<? xml version="1.0" ?>
<!--  http://blog.flexexamples.com/2007/11/19/styling-individual-tabs-in-a-tabbar-control/  -->
< mx:Application  xmlns:mx ="http://www.adobe.com/2006/mxml"
        layout ="vertical"
        verticalAlign ="middle"
        backgroundColor ="white" >

     < mx:Script >
     <![CDATA[
        import mx.events.ItemClickEvent;
        import mx.controls.tabBarClasses.Tab;

        private function tabBar_creationComplete():void {
            var colorArr:Array = ["red", "haloOrange", "yellow", "haloGreen", "haloBlue"];
            var color:String;
            var tab:Tab;
            var idx:uint;
            var len:uint = tabBar.dataProvider.length;

            for (idx = 0; idx < len; idx++) {
                var i:int = idx % colorArr.length;
                color = colorArr[i];
                tab = Tab(tabBar.getChildAt(idx));
                tab.setStyle("fillColors", [color, "white"]);
                tab.setStyle("fillAlphas", [1.0, 1.0]);
                tab.setStyle("backgroundColor", color);
            }
        }

        private function tabBar_itemClick(evt:ItemClickEvent):void {
            viewStack.selectedIndex = evt.index;
        }
     ]]>
     </ mx:Script >

     < mx:Array  id ="arr" >
         < mx:Object  label ="Red"   />
         < mx:Object  label ="Orange"   />
         < mx:Object  label ="Yellow"   />
         < mx:Object  label ="Green"   />
         < mx:Object  label ="Blue"   />
     </ mx:Array >

     < mx:TabBar  id ="tabBar"
            dataProvider ="{arr}"
            creationComplete ="tabBar_creationComplete();"
            itemClick ="tabBar_itemClick(event);"   />

     < mx:ViewStack  id ="viewStack"
            width ="{tabBar.width}"
            styleName ="plain" >
         < mx:VBox  id ="redVBox"  width ="100%"  height ="100" >
             < mx:Label  text ="Red VBox"   />
         </ mx:VBox >
         < mx:VBox  id ="orangeVBox"  width ="100%"  height ="100" >
             < mx:Label  text ="Orange VBox"   />
         </ mx:VBox >
         < mx:VBox  id ="yellowVBox"  width ="100%"  height ="100" >
             < mx:Label  text ="Yellow VBox"   />
         </ mx:VBox >
         < mx:VBox  id ="greenVBox"  width ="100%"  height ="100" >
             < mx:Label  text ="Green VBox"   />
         </ mx:VBox >
         < mx:VBox  id ="blueVBox"  width ="100%"  height ="100" >
             < mx:Label  text ="Blue VBox"   />
         </ mx:VBox >
     </ mx:ViewStack >

</ mx:Application >

    本文转自 OldHawk  博客园博客，原文链接：http://www.cnblogs.com/taobataoma/archive/2008/01/13/1037060.html ，如需转载请自行联系原作者