pressing a key on an AdvancedDataGrid selects row: how to disable?

If you press a keyboard key on an ADG the selected row moves to the first line it finds whose first column cell's text starts with the character you just pressed. Does anyone know if there's a property to turn that behavior off?

Here's a simple code snippet that shows this, in case you'd like to play with some code...

thx

f

<?xml version="1.0"?>
<!-- dpcontrols/adg/SimpleADG.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">

 <fx:Declarations>
  <s:ArrayCollection id="myCbDb"/>
 </fx:Declarations>

 <fx:Script>
  <![CDATA[
   import mx.collections.ArrayCollection;
   import mx.events.AdvancedDataGridEvent;
   import mx.events.FlexEvent;
   import mx.events.ListEvent;


   [Bindable]
   private var dpADG:ArrayCollection = new ArrayCollection([
    {Row:1, Name:'Pavement', cost:10, length:0.1},
    {Row:2, Name:'Pavement', cost:20, length:.2},
    {Row:3, Name:'Saner', cost:30, length:.30},
    {Row:4, Name:'Saner', cost:10, length:.40},
    {Row:5, Name:'The Doors', cost:5, length:.50},
    {Row:6, Name:'The Doors', cost:0, length:.60},
    {Row:7, Name:'Grateful Dead', cost:20, length:.70},
    {Row:8, Name:'Grateful Dead', cost:10, length:.80},
    {Row:9, Name:'Grateful Dead', cost:10, length:.90},
    {Row:10, Name:'The Doors', cost:5, length:1},
    {Row:11, Name:'The Doors', cost:10, length:0},
    {Row:12, Name:'The Doors', cost:10, length:0},
 开发者_如何学Go   {Row:13, Name:'The Doors', cost:10, length:0},
    {Row:14, Name:'The Doors', cost:10, length:0},
    {Row:15, Name:'The Doors', cost:10, length:0},
    {Row:16, Name:'The Doors', cost:10, length:0},
    {Row:17, Name:'The Doors', cost:10, length:0},
    {Row:18, Name:'The Doors', cost:10, length:0},
    {Row:19, Name:'The Doors', cost:10, length:0},
    {Row:20, Name:'The Doors', cost:10, length:0},
    {Row:21, Name:'The Doors', cost:10, length:0},
   ]);                   


  ]]>
 </fx:Script>

 <mx:AdvancedDataGrid 
  id="adg"
  width="100%" height="100%"
  selectionMode="multipleRows" 
  dataProvider="{dpADG}">
  <mx:columns>
   <mx:AdvancedDataGridColumn dataField="Name" />
   <mx:AdvancedDataGridColumn dataField="cost" editorDataField="value"/>
   <mx:AdvancedDataGridColumn dataField="length" editorDataField="value"/>
  </mx:columns>
 </mx:AdvancedDataGrid>        
</s:Application>

In order to disable this behaviour you have to use a custom component that extends AdvancedDataGrid. Within this component you can override the method findKey() which is responsible for selecting the first row that starts with the pressed key.

public class CustomAdvancedDataGrid extends AdvancedDataGrid
{
    public function CustomAdvancedDataGrid()
    {
        super();
    }

    protected override function findKey(eventCode:int):Boolean
    {
        return false;
    }
}