Define a new callback function, dtFunc, that returns a formatted value for the DataTip: : Bar Chart « Chart « Flex






Define a new callback function, dtFunc, that returns a formatted value for the DataTip:

Define a new callback function, dtFunc, that returns a formatted value for the DataTip:
          
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<!-- charts/CustomDataTips.mxml -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
    <mx:Script>
        import mx.charts.HitData;
        import mx.collections.ArrayCollection;
        [Bindable]
        public var expenses:ArrayCollection = new ArrayCollection([
            {Month:"Jan", Profit:2000, Expenses:1500},
            {Month:"Feb", Profit:1000, Expenses:200},
            {Month:"Mar", Profit:1500, Expenses:500}
            ]);
        public function dtFunc(hd:HitData):String {
            return hd.item.Month + ":<B>$" +
            hd.item.Profit + "</B>";
        }
      </mx:Script>
    <mx:Panel title="Bar Chart">
        <mx:BarChart id="myChart" dataProvider="{expenses}" showDataTips="true"
            dataTipFunction="dtFunc">
            <mx:verticalAxis>
                <mx:CategoryAxis dataProvider="{expenses}" categoryField="Month"
                    displayName="Month" />
            </mx:verticalAxis>
            <mx:horizontalAxis>
                <mx:LinearAxis displayName="Amount" />
            </mx:horizontalAxis>
            <mx:series>
                <mx:BarSeries yField="Month" xField="Profit"
                    displayName="Profit" />
                <mx:BarSeries yField="Month" xField="Expenses"
                    displayName="Expenses" />
            </mx:series>
        </mx:BarChart>
        <mx:Legend dataProvider="{myChart}" />
    </mx:Panel>
</mx:Application>

   
    
    
    
    
    
    
    
    
    
  








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