I got around it by using the data property of itemrenderer, instead of
getCurrentItem()...
--- In flexcoders@yahoogroups.com, "gwangdesign" <gwangdes...@...> wrote:
>
> Hi,
>
> Basically I am feeding dataProvider for 2 set of controls: one is on
> my main app and one is the item renderers of a TileList, both of which
> are Buttons. I am assigning the same function at main app to handle
> their click event. The event handler assigned to the controls in the
> main app works fine but not for those in the item renderers. I get
> null object at runtime on
> Button(event.currentTarget).getRepeaterItem(). Below is the code:
>
> <!--code in main Script tag-->
> public function button_ClickHandler(event:MouseEvent):void
> {
> //get the current item. This works for controls
> that are directly
> instantiated in main application. But not for nested itemRenderers.
> See mxml below.
> var item:Object =
> Button(event.currentTarget).getRepeaterItem();
> var index:int = taskList.getItemIndex(item);
> if(index != -1)
> {
> taskList.removeItemAt(index);
> taskList.addItemAt(item, 0);
> }
> }
>
> <mx:ArrayCollection id="taskList">
> <mx:Object label="Word"/>
> <mx:Object label="Media Player"/>
> <mx:Object label="Contacts"/>
> <mx:Object label="Apache Server"/>
> <mx:Object label="Dictionary"/>
> <mx:Object label="iTunes"/>
> <mx:Object label="Solitaire"/>
> <mx:Object label="Minesweeper"/>
> <mx:Object label="Safari"/>
> <mx:Object label="RSS Reader"/>
> </mx:ArrayCollection>
>
> <!--code for item renderers-->
> <mx:TileList dataProvider="{taskList}">
> <mx:itemRenderer>
> <mx:Component>
> <mx:Button styleName="myButtonStyle"
> click="parentDocument.button_ClickHandler(event);"/>
> </mx:Component>
> </mx:itemRenderer>
> </mx:TileList>
>
> I tried to trace and it seems the Buttons inside itemRenderer can
> access the dataProvider in the outer document. But getCurrentItem()
> breaks. So how do I get the "current item" from the currentTarget?
>
