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. >> >> >> > >

