Did you ever figure out how to do this?
jonese
--- In flexcoders@yahoogroups.com, "smelbyfastlane" <[EMAIL PROTECTED]> wrote:
>
> Hello -
>
> I am using an AdvancedDataGrid to display data that is retrieved
> periodically from a HTTPService. When handling the result event I
> parse the lastResult e4x into typed objects and put them into an
> ArrayCollection which is the source for a GroupingCollection as laid
> out below. After doing all of this I call groupedData.refresh() to
> get my new data displayed. All of this works fine, except that after
> calling groupedData.refresh() my group nodes (in the grid) are all
> collapsed. I have tried saving workItemsGrid.openItems into a temp
> variable, then setting it back after calling refresh... but that does
> not work. I am guessing that this is due to the fact that my data
> provider has entirely different object instances than it had
> previously. But, I am open to the idea that I just did it incorrectly
> somehow. Based on my thought that I have different objects in the DP
> than I did before I figured I could just save off the value of
> "GroupLabel" for each openItem, call refresh(), then iterate over the
> group objects and call workItemsGrid.expandItem() for each that has a
> GroupLabel that was previously open. The problem with this approach
> is that I have not yet been able to figure out how to iterate over the
> groups.
>
> Any help in getting my previously open items to re-open is greatly
> appreciated.
>
> Thanks in advance
> Scott
>
>
>
> <mx:AdvancedDataGrid id="workItemsGrid" width="100%"
> height="100%">
> <mx:dataProvider>
> <mx:GroupingCollection id="groupedData"
> source="{flatWorkItemsAC}">
> <mx:Grouping>
> ...
> </mx:Grouping>
> </mx:GroupingCollection>
> </mx:dataProvider>
> ...
> </mx:AdvancedDataGrid>
>
