Get selected index from ChartItemEvent

           

<?xml version="1.0"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
  <mx:Script>
     import mx.collections.ArrayCollection;
     import mx.charts.events.ChartItemEvent;

     [Bindable]
     public var myArray:ArrayCollection = new ArrayCollection([
        {Country:"A", GDP:1},
        {Country:"B", GDP:6},
        {Country:"C", GDP:4},
        {Country:"D", GDP:2},
        {Country:"E", GDP:3}
     ]);
     [Bindable]
     public var americanGDP:ArrayCollection = new ArrayCollection([
        {Category:"X", GDPContribution:1},
        {Category:"Y", GDPContribution:2},
        {Category:"Z", GDPContribution:2}

     ]);

     private function itemClickHandler(e:ChartItemEvent):void {
         var selectedIndx:int = e.currentTarget.series.selectedIndex;
         trace("selectedIndx: " + selectedIndx);

     }
</mx:Script>
  <mx:Panel title="Pie Chart">
     <mx:PieChart id="myChart"
        dataProvider="{myArray}"
        showDataTips="true"
        itemClick="itemClickHandler(event)"
        selectionMode="single" >
        <mx:series>
           <mx:PieSeries id="ps1" field="GDP" nameField="Country" labelPosition="callout" selectable="true" />
        </mx:series>
     </mx:PieChart>
     <mx:Legend dataProvider="{myChart}"/>
  </mx:Panel>
</mx:Application>

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Get selected index from ChartItemEvent : Pie Chart « Chart « Flex

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