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Disabling further edits for a diagram [message #1839015]

Thu, 11 March 2021 11:15

Giray Ozel

Messages: 18
Registered: February 2018

Junior Member

I want to prevent the user from making further edits to elements in a diagram when an "accepted" boolean has been set to true. So, I am thinking of adding that boolean flag to the metamodel and checking it in a lot of preconditions in the tools, node elements, etc.

However, I realized that it will probably not work for default functionality such as deleting a container. I would have to override a lot of default functionality for each element by creating a corresponding tool and checking this "accepted" status. Is there a more straightforward way of disabling any edits in a diagram or perhaps ecore object?

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Re: Disabling further edits for a diagram [message #1839095 is a reply to message #1839015]

Sat, 13 March 2021 14:48

Ed Willink

Messages: 7655
Registered: July 2009

Senior Member

Hi

In the old days EcoreTools had a *.ecoreDiagram that was self-standing complement to a *.ecore, so that each model in the same folder has its own diagrams. Sadly that functionality has got lost so that the *.aird file aggregates all models at significant cost to load/save/memory costs and risk of significant confusion as independent test models are co-loaded. I have seem occasional hints that this new policy is not mandatory and so it should be possible to organize your diagrams on a per-model basis with the *.aird, if really required, providing little more than an index. If you are able to achieve this I would be very interested in knowing how since this is high on my too-long list of to-dos.

Regards

Ed Willink

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Re: Disabling further edits for a diagram [message #1839131 is a reply to message #1839095]

Mon, 15 March 2021 13:33

Giray Ozel

Messages: 18
Registered: February 2018

Junior Member

What I ended up doing was providing my own PermissionAuthority by using the org.eclipse.sirius.ecore.extender.PermissionProvider extension point.

I checked my custom condition in multiple places of the implemented IPermissionAuthority methods, which locked the related features/elements.

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