<?xml version=”1.0″?>
<mx:Application xmlns:mx=” http://www.adobe.com/2006/mxml“>
<mx:Script>
<![CDATA[
import mx.formatters.*;
import mx.collections.ArrayCollection;
[Bindable]
public var expenses:ArrayCollection = new ArrayCollection([
{Expense:”Taxes”, Amount:2000},
{Expense:”Rent”, Amount:1000},
{Expense:”Bills”, Amount:100},
{Expense:”Car”, Amount:450},
{Expense:”Gas”, Amount:100},
{Expense:”Food”, Amount:200} ]);
// Create a bindable Array of explode radii.
[Bindable]
public var explodingArray:Array = [0,0,0,.2,0,0]
public function display(data:Object,field:String,index:Number,percentValue:Number):String
{
return data.Expense + “:$” + data.Amount + “\n” + round(percentValue,2) + “%”;
}
// Rounds to 2 places:
public function round(num:Number, precision:Number):Number {
var result:String;
var f:NumberFormatter = new NumberFormatter();
f.precision = precision;
result = f.format(num);
return Number(result);
}
]]>
</mx:Script>
<mx:Panel title=”using labels”>
<mx:PieChart id=”myChart” dataProvider=”{expenses}” showDataTips=”true” innerRadius=”.3″>
<!– by adding the radius property to the piechart we are able to create a doughnut chart. –>
<mx:series>
<mx:PieSeries field=”Amount” nameField=”Expense” labelPosition=”callout”
explodeRadius=”.12″ perWedgeExplodeRadius=”{explodingArray}” labelFunction=”display”/>
<!– explodeRadius is a number between 0 and 1
Include one either explodeRadius or perWedgeExplodeRadius for explosion of wedges.
To explode all wedges of a pie chart evenly,adding the explodeRadius property to the
pieseries we are able to create a exploding pie chart.
To explode one or more wedges of the pie, you use an Array of explodeRadius values.
Each value in the Array applies to the corresponding data point.–>
</mx:series>
</mx:PieChart>
<mx:Legend dataProvider=”{myChart}”/>
</mx:Panel>
</mx:Application>
|
