Mega Code Archive
Stack the Profit and Expenses fields, in which some of the values are negative
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- charts/StackedNegative.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">
<fx:Script>
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}
]);
</fx:Script>
<s:layout>
<s:VerticalLayout />
</s:layout>
<s:Panel title="Column Chart">
<s:layout>
<s:HorizontalLayout />
</s:layout>
<mx:ColumnChart id="myChart" dataProvider="{expenses}"
showDataTips="true">
<mx:horizontalAxis>
<mx:CategoryAxis dataProvider="{expenses}"
categoryField="Month" />
</mx:horizontalAxis>
<mx:series>
<mx:ColumnSet type="stacked"
allowNegativeForStacked="true">
<mx:series>
<mx:ColumnSeries xField="Month" yField="Profit"
displayName="Profit" />
<mx:ColumnSeries xField="Month"
yField="Expenses" displayName="Expenses" />
</mx:series>
</mx:ColumnSet>
</mx:series>
</mx:ColumnChart>
<mx:Legend dataProvider="{myChart}" />
</s:Panel>
</s:Application>
]]>