[news.eclipse.tools.emf] Re: [EMF Databinding] ObservableList.addAll(...

[Tom Schindl <tom.schindl@xxxxxxxxxxxxxxx>]

Hi,

Not sure why you are adding through IObservableList why are you not
executing the Command directly on your Domain-Object? The viewer is
connected to the list and will update itself to these model changes.

Tom

Andreas Mayer schrieb:
> Hi,
> 
> I am using EMF databinding in an editor for an EMF model. At one place
> the editor has a table for a multi-valued reference and you are able to
> add and remove multiple objects from that table at one go. The table's
> viewer uses an ObservableListContentProvider and the IObservableList for
> the corresponding model object.
> 
> The add and remove actions call addAll(newElements) and
> removeAll(elementsToBeRemoved) in the IObservableList. Unfortunately,
> the implementation of those methods create an individual
> AddCommand/RemoveCommand for each element instead of a single AddCommand
> /RemoveCommand for the complete collection. As a result, the user can
> add or remove many elements at one go, but needs several steps to
> undo/redo such changes.
> 
> Is there any way, I can force the EMF databinding to create only a
> single AddCommand/RemoveCommand or group them somehow?