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Multiple Diagrams for 1 Domain Model [message #889739]

Tue, 19 June 2012 14:25

Eclipse User

Hi,
can you tell me if this is possible with GMF:

I have 1 big domain model. What I am trying to do is to have multiple diagram editors. With each diagram editor, I only want to edit a small part of the domain model but I always want use the same underlying instance of the domain model.

So:
First, I will create my domain model: model.ecore

Second, I will create n GMF projects, each representing one diagram editor.

The structure will look as follows:

MyEditor
+ src
+ META-inf
+ model
   + GMF Editor 1
      + GMF Editor 1.genmodel
      + GMF Editor 1.gmfgen
      + GMF Editor 1.gmfmap
      + GMF Editor 1.gmftool
      + GMF Editor 1.gmfgraph
   + GMF Editor 2
      + GMF Editor 2.genmodel
      + GMF Editor 2.gmfgen
      + GMF Editor 2.gmfmap
      + GMF Editor 2.gmftool
      + GMF Editor 2.gmfgraph
   + GMF Editor 3
      + GMF Editor 3.genmodel
      + GMF Editor 3.gmfgen
      + GMF Editor 3.gmfmap
      + GMF Editor 3.gmftool
      + GMF Editor 3.gmfgraph
+ model.ecore

Is this approach okay, do I keep sth. in mind ?!

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Re: Multiple Diagrams for 1 Domain Model [message #889745 is a reply to message #889739]

Tue, 19 June 2012 14:30

Eclipse User

Hi,

it seems okay.
We are doing it at Bonitasoft (for 2 editors only).
Some keywords for your further investigation:
- OpenEditPolicy in order to navigate between diagrams (easy)
- Shared Editing Domain in order to be able to edit several diagrams on the same model instance at the same time (hard)

Regards,

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Re: Multiple Diagrams for 1 Domain Model [message #889747 is a reply to message #889745]

Tue, 19 June 2012 14:32

Eclipse User

Hum I answered too quickly.
Why do you have several genmodel? You need only one I think.

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Re: Multiple Diagrams for 1 Domain Model [message #889749 is a reply to message #889747]

Tue, 19 June 2012 14:33

Eclipse User

I aggree, my fault.

One more question, If I use the "Related Diagrams" feature, the desired diagram editor opens. Doesn't it edit the same domain model automatically ?

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Re: Multiple Diagrams for 1 Domain Model [message #889758 is a reply to message #889749]

Tue, 19 June 2012 14:41

Eclipse User

Matthias N wrote on Tue, 19 June 2012 16:33

I aggree, my fault.

One more question, If I use the "Related Diagrams" feature, the desired diagram editor opens. Doesn't it edit the same domain model automatically ?

It should. it seems to be an even easier way than using OpenEditPolicy Smile

I don't remember why we use OpenEditPolicy and not Related DIagram feature.

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