logs a ChartEvent when you click or double-click the chart control
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<!-- charts/BasicChartEvent.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:s="library://ns.adobe.com/flex/spark"
height="600" width="600">
<fx:Script>
import mx.charts.events.ChartEvent;
import mx.collections.ArrayCollection;
[Bindable]
public var expenses:ArrayCollection = new ArrayCollection([
{month:"Jan", profit:20, expenses:15, amount:145},
{month:"Feb", profit:1, expenses:2, amount:60},
{month:"Mar", profit:15, expenses:5, amount:3}
]);
private function chartEventHandler(event:ChartEvent):void {
/*
* The ChartEvent will only be dispatched if the mouse is _not_ over a
* chart item or if it is outside of the range defined by the
* mouseSensitivity property.
*/
ta1.text += "Event of type " + event.type + " was triggered.\n";
}
</fx:Script>
<s:layout>
<s:VerticalLayout />
</s:layout>
<fx:Style>
@namespace s "library://ns.adobe.com/flex/spark";
s|Panel {
paddingLeft:5;
paddingRight:5;
paddingTop:5;
paddingBottom:5;
}
</fx:Style>
<s:Panel title="Chart click events">
<s:layout>
<s:VerticalLayout />
</s:layout>
<s:HGroup>
<mx:PlotChart id="myChart"
dataProvider="{expenses}" showDataTips="true"
mouseSensitivity="10" doubleClickEnabled="true"
chartClick="chartEventHandler(event)"
chartDoubleClick="chartEventHandler(event)">
<mx:series>
<mx:PlotSeries xField="expenses" yField="profit"
displayName="Plot 1" />
<mx:PlotSeries xField="amount" yField="expenses"
displayName="Plot 2" />
<mx:PlotSeries xField="profit" yField="amount"
displayName="Plot 3" />
</mx:series>
</mx:PlotChart>
<s:TextArea id="ta1" width="150" height="300" />
</s:HGroup>
<mx:Legend dataProvider="{myChart}" />
</s:Panel>
</s:Application>
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