Actually, I take it back, the highlighting is the roll-over highlighting -
but  the item does appear selected while the modal dialog is up.

On Fri, May 15, 2009 at 6:16 AM, Richard Rodseth <[email protected]> wrote:

> Thanks, Alex. That does work, though the new item is still highlighted
> first, so I might be better of using "change", thus covering keyboard
> selection as well.
>
> I saw a Gumbo example on flexexamples using a selectionChanging event, so
> it seems as though this use case will be supported in future.
>
>
> On Thu, May 14, 2009 at 11:53 PM, Alex Harui <[email protected]> wrote:
>
>>
>>
>>  List/DataGrid don’t use click.  They use mouseDown/mouseUp.  You can try
>> blocking those events.
>>
>>
>>
>> Alex Harui
>>
>> Flex SDK Developer
>>
>> Adobe Systems Inc. <http://www.adobe.com/>
>>
>> Blog: http://blogs.adobe.com/aharui
>>
>>
>>
>> *From:* [email protected] [mailto:[email protected]] *On
>> Behalf Of *Richard Rodseth
>> *Sent:* Thursday, May 14, 2009 11:29 PM
>> *To:* [email protected]
>> *Subject:* [flexcoders] Preventing list selection
>>
>>
>>
>>
>>
>>
>>  I need to disallow navigation away from unsaved changes based on the
>> user's response in an alert.
>>
>> I have some application-wide strategies in mind, and I have also seen how
>> I can prevent tab switching in a tab navigator by registering a
>> capture-phase click listener and calling stopImmediatePropagation and
>> preventDefault.
>>
>> But the same strategy didn't work on a DataGrid, where the grid selection
>> is used as a form of navigation:
>>
>>                 <mx:DataGrid id="roleList"
>>                     creationComplete="onGridCreationComplete(event)"
>>
>>             private function onGridCreationComplete(event:Event):void {
>>                myGrid.addEventListener(MouseEvent.CLICK, onClickGrid,
>> true, 10);
>>
>>             }
>>             private function onClickGrid(event:Event):void {
>>                 // alert goes here
>>                 event.stopImmediatePropagation();
>>                 event.preventDefault();
>>             }
>>
>>  As a workaround I could handle the change event and restore the previous
>> selection but it would  be better to conditionally suppress the selection.
>>
>> I've seen the post on Alex's blog, but am hoping for something
>> listener-based. Thanks.
>>
>>   
>>
>
>

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