Sorry, I just answered my own question....
It appears that you should never be able to access an ItemRenderer directly. If
I want to find out that a checkbox is selected then I must listen for that
event in the ItemRenderer and then set a value on the 'data' property. Then,
the dataProvider is available to me with the updated value.
That's the beauty of an ItemRenderer, I guess.
--- In flexcoders@yahoogroups.com, "Matthew" <fume...@...> wrote:
>
> Hi -
>
> I have a button outside an AdvancedDataGrid. On the click event, I want to
> find which of my checkbox item renderers are selected. For some reason, I
> can't figure out. Here's my code below. Any tips are greatly appreciated.
>
> Thank you!
>
> <mx:Button label="Remove Selections" click="removeGrouping();" />
> <mx:AdvancedDataGrid
> id="GroupingGrid"
> width="100%"
> height="45%">
> <mx:dataProvider>
> <mx:HierarchicalData source="{model.groupingColl}" />
> </mx:dataProvider>
> <mx:columns>
> <mx:AdvancedDataGridColumn textAlign="center"
> dataField="label" headerText="Group"/>
> <mx:AdvancedDataGridColumn textAlign="center"
> dataField="cpName" headerText="CP Name" />
> <mx:AdvancedDataGridColumn textAlign="center"
> dataField="parentId" headerText="Parent ID" />
> <mx:AdvancedDataGridColumn textAlign="center"
> dataField="parentName" headerText="Parent Name" />
> <mx:AdvancedDataGridColumn id="removeItemCol"
> dataField="removable" headerText="Remove" />
> </mx:columns>
>
> <mx:rendererProviders>
> <mx:AdvancedDataGridRendererProvider
> column="{removeItemCol}"
> columnSpan="1"
> renderer="com.renderer.RemoveItemCheckboxRenderer"/>
> </mx:rendererProviders>
> </mx:AdvancedDataGrid>
>
>
> And here's my removeGroup() method. It returns null on the 'renderer'
> variable.
>
> /** User wants to remove a grouping
> */
> private function removeGrouping():void{
> // Loop over the dataProvider and find the
> items selected, then remove them.
> var dpLength:int =
> GroupingGrid.dataProvider.length;
> for( var i:int=0; i<dpLength; i++ ){
> var im:Array =
> GroupingGrid.rendererProviders; // .renderer.generator as
> com.renderer.RemoveItemCheckboxRenderer;
> var j:int=0;
> while( j<im.length ){
> var
> myim:AdvancedDataGridRendererProvider = im[j] as
> AdvancedDataGridRendererProvider;
> var
> renderer:RemoveItemCheckboxRenderer = myim.renderer as
> RemoveItemCheckboxRenderer;
> j++;
> }
> }
> }
>
