Mega Code Archive
Result of using insert() and remove() on the current property
<![CDATA[
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- dpcontrols\GetAddRemoveItems.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.*;
public var myArray:Array = [{label:"MA", data:"Massachusetts"},
{label:"MN", data:"Minnesota"}, {label:"MO", data:"Missouri"}];
[Bindable]
public var myAC:ArrayCollection;
public var myCursor:IViewCursor;
/* Initialize the ArrayCollection when you
initialize the application. */
public function initData():void {
myAC = new ArrayCollection(myArray);
}
/* The function to change the collection,
and therefore the Array. */
public function testCollection():void {
/* Get an IViewCursor object for accessing the collection data. */
myCursor=myAC.createCursor();
ta1.text="At start, the cursor is at: " + myCursor.current.label + ".";
var removedItem:String=String(myCursor.remove());
ta1.text+="\nAfter removing the current item, the cursor is at: "+ myCursor.current.label + ".";
myCursor.insert({label:"ME", data:"Augusta"});
ta1.text+="\nAfter adding an item, the cursor is at: " + myCursor.current.label + ".";
}
</fx:Script>
<s:ComboBox id="myCB" dataProvider="{myAC}" />
<s:TextArea id="ta1" height="75" width="350" />
<s:Button label="Run Test" click="testCollection();" />
</s:Application>
]]>