Mega Code Archive
Add or remove a data point from a series in ActionScript
<![CDATA[
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- charts/AddDataItem.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"
xmlns="*" height="600" width="700">
<s:layout>
<s:VerticalLayout />
</s:layout>
<fx:Script>
import mx.collections.ArrayCollection;
[Bindable]
public var dpac:ArrayCollection = new ArrayCollection([
{A:2000},{A:3000},{A:4000},{A:4000},{A:3000},{A:2000},{A:6000}
]);
public function addDataItem():void {
var o:Object = {"A":2000};
dpac.addItem(o);
}
private function removeItem():void {
var i:int = dpac.length;
if (i > 0) {
dpac.removeItemAt(i - 1);
}
}
</fx:Script>
<s:Panel title="Column Chart">
<s:layout>
<s:VerticalLayout />
</s:layout>
<mx:ColumnChart id="myChart" showDataTips="true"
height="400" width="600" dataProvider="{dpac}">
<mx:series>
<mx:ColumnSeries yField="A" displayName="Series 1" />
</mx:series>
</mx:ColumnChart>
<mx:Legend dataProvider="{myChart}" />
</s:Panel>
<s:HGroup>
<s:Button label="Add Data Item" click="addDataItem();" />
<s:Button label="Remove Data Item" click="removeItem();" />
</s:HGroup>
</s:Application>
]]>