Mega Code Archive
Add a Legend to a chart in ActionScript
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- charts/LegendInAS.mxml -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
creationComplete="createLegend()">
<mx:Script>
import mx.collections.ArrayCollection;
import mx.charts.Legend;
[Bindable]
public var expenses:ArrayCollection = new ArrayCollection([
{Expense:"Taxes", Amount:2000, Cost:321, Discount:131},
{Expense:"Rent", Amount:1000, Cost:95, Discount:313},
{Expense:"Bills", Amount:100, Cost:478, Discount:841}
]);
private function createLegend():void {
var myLegend:Legend = new Legend();
myLegend.dataProvider = myChart;
panel1.addChild(myLegend);
}
</mx:Script>
<mx:Panel id="panel1"
title="Bar Chart with Legend (Created in ActionScript)">
<mx:BarChart id="myChart" dataProvider="{expenses}">
<mx:verticalAxis>
<mx:CategoryAxis dataProvider="{expenses}"
categoryField="Expense" />
</mx:verticalAxis>
<mx:series>
<mx:BarSeries xField="Amount" displayName="Amount (in $USD)" />
<mx:BarSeries xField="Cost" displayName="Cost (in $USD)" />
<mx:BarSeries xField="Discount"
displayName="Discount (in $USD)" />
</mx:series>
</mx:BarChart>
</mx:Panel>
</mx:Application>
]]>