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EMF EditingDomain in GEF Editor [message #553141]

Mon, 16 August 2010 14:36

No real name

Messages: 2
Registered: August 2010

Junior Member

Hi,

I'm using EMF and GEF to visualize and edit a model.

The EMF.Editor provides the standard tree editor and the GEF editor is in use to have a graphical view on the same model and to edit it, e.g. with the palette.

The goal is to use the both editors independently , therefore both can access the file which includes the model data.

If both editors may be open, they are supposed to register as a listener to the CommandStack included by the EditDomain(GEF) or EditingDomain(EMF) of the other editor, so changes made in one editor are transmitted to the other one and replicate the command on the CommandStack there. (Undo and redo should be realized this way.)

One problem I focus now is to write the changes made in the GEF Editor to the data model without using the EMF.Editor, so it has not be opened.

Is there a possibility to add an EMF EditingDomain (to access the underlying model) in the GEF Editor and synchronize it with the one in EMF Editor, if this will be opened?

Can I use a TransactionalEditingDomain for both editors to administrate the model? Of course I would use a extra EditDomain for graphical editing in the GEF Editor.

Thanking you in anticipation

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Re: EMF EditingDomain in GEF Editor [message #553219 is a reply to message #553141]

Mon, 16 August 2010 17:16

Ed Merks

Messages: 29539
Registered: July 2009

Senior Member

Comments below.

jBasti@gmx.de wrote:
> Hi,
>
> I'm using EMF and GEF to visualize and edit a model.
>
> The EMF.Editor provides the standard tree editor and the GEF editor is
> in use to have a graphical view on the same model and to edit it, e.g.
> with the palette.
> The goal is to use the both editors independently , therefore both can
> access the file which includes the model data.
Wouldn't a single integrated editor be better?
>
> If both editors may be open, they are supposed to register as a
> listener to the CommandStack included by the EditDomain(GEF) or
> EditingDomain(EMF) of the other editor, so changes made in one editor
> are transmitted to the other one and replicate the command on the
> CommandStack there. (Undo and redo should be realized this way.)
It sounds more like you should have a shared editing domain. That issue
is discussed in the context of GMF quite frequently...
>
> One problem I focus now is to write the changes made in the GEF Editor
> to the data model without using the EMF.Editor, so it has not be opened.
You've looked at the red book about EMF/GEF intergration?
> Is there a possibility to add an EMF EditingDomain (to access the
> underlying model) in the GEF Editor and synchronize it with the one in
> EMF Editor, if this will be opened?
The red book talks about how to integrate the two command frameorks;
GEF's is a modified version of the originally shared EMF one. :-(
>
> Can I use a TransactionalEditingDomain for both editors to
> administrate the model?
That's what GMF does yes.
> Of course I would use a extra EditDomain for graphical editing in the
> GEF Editor.
>
> Thanking you in anticipation
>

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