Mega Code Archive
ComboBox data variables
<![CDATA[
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- dpcontrols/ComboBoxVariables.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx"
initialize="initData();">
<s:layout>
<s:VerticalLayout />
</s:layout>
<fx:Script>
import mx.collections.*
private var COLOR_ARRAY:Array= [{label:"Red", data:"#FF0000"},
{label:"Green", data:"#00FF00"},
{label:"Blue", data:"#0000FF"}];
// Declare an ArrayList variable for the colors.
// Make it Bindable so it can be used in bind
// expressions ({colorAL}).
[Bindable]
public var colorAL:ArrayList;
// Initialize colorAL ArrayList variable from the Array.
// Use an initialize event handler to initialize data variables
// that do not rely on components, so that the initial values are
// available when the controls that use them are constructed.
//See the mx:ArrayList tag, below, for a second way to
//initialize an ArrayList.
private function initData():void {
colorAL=new ArrayList(COLOR_ARRAY);
}
</fx:Script>
<fx:Declarations>
<!-- This example shows two different ways to structure a Model. -->
<fx:Model id="myDP">
<obj>
<item label="AL" data="Montgomery" />
<item>
<label>AK</label>
<data>Juneau</data>
</item>
<item>
<label>AR</label>
<data>Little Rock</data>
</item>
</obj>
</fx:Model>
<!--
Create a stateAL ArrayList that uses as its source an Array of the
item elements from the myDP model. This technique and the declaration
and initialization code used for the colorAL variable are alternative
methods of creating and initializing the ArrayList.
-->
<mx:ArrayList id="stateAL" source="{myDP.item}" />
</fx:Declarations>
<mx:ComboBox dataProvider="{colorAL}" />
<mx:ComboBox dataProvider="{stateAL}" />
</s:Application>
]]>