Create a PlotChart control and records the location of the mouse pointer : Plot Chart « Chart « Flex

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Create a PlotChart control and records the location of the mouse pointer
Create a PlotChart control and records the location of the mouse pointer
        

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<!-- charts/FindDataPoints.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:"January", Profit:2000, Expenses:1500},
            {Month:"February", Profit:1000, Expenses:200},
            {Month:"March", Profit:1500, Expenses:500},
            {Month:"April", Profit:500, Expenses:300},
            {Month:"May", Profit:1000, Expenses:450},
            {Month:"June", Profit:2000, Expenses:500}]);
        public function handleMouseMove(e:MouseEvent):void {
            // Use coordinates to get HitData object of
            // current data point.
            var hda:Array =chart.findDataPoints(e.currentTarget.mouseX,e.currentTarget.mouseY);
            if (hda[0]) {
               ta.text = "Found data point " + hda[0].chartItem.index + " (x/y):" + Math.round(hda[0].x"," + Math.round(hda[0].y"\n";
               ta.text += "Expenses:" + hda[0].item.Expenses;
            else {
               ta.text = "No data point found (x/y):" + Math.round(e.currentTarget.mouseX"/" + Math.round(e.currentTarget.mouseY);
            }
        }
      </mx:Script>
    <mx:Panel title="Plot Chart">
        <mx:PlotChart id="chart" mouseMove="handleMouseMove(event)"
            dataProvider="{expenses}" showDataTips="true"
            mouseSensitivity="5">
            <mx:series>
                <mx:PlotSeries xField="Profit" yField="Expenses" />
            </mx:series>
        </mx:PlotChart>
    </mx:Panel>
    <mx:TextArea id="ta" width="300" height="50" />
</mx:Application>

   
    
    
    
    
    
    
    
  
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