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Forcing some mappings to anchor on the diagrams' edge [message #1841289] Tue, 11 May 2021 08:17 Go to next message
Francesco Bedini is currently offline Francesco BediniFriend
Messages: 26
Registered: March 2018
Junior Member
Hi, is there a way to update the position of some mappings so that they always stick to the edge of the diagram (at least at the top and on the left).

Stuff like: my diagram shows an activity (without the activity container), and the activity parameter nodes should be shown on the edge of the diagram.

[Updated on: Tue, 11 May 2021 08:18]

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Re: Forcing some mappings to anchor on the diagrams' edge [message #1841533 is a reply to message #1841289] Thu, 20 May 2021 08:27 Go to previous message
Laurent Fasani is currently offline Laurent FasaniFriend
Messages: 180
Registered: October 2014
Senior Member
You have the ability to define the position of the nodes at the node's creation. You just have to call a java service (from a ChangeContext operation for example) to do the job (aql:self.myservice())
Here are some tips to help you write the java code

Note that it does not prevent the user to move the node afterward.

If you want to prevent the move of the node after it has been created you will have to do much more complicated work.
You will need to provide your own IGraphicalEditPart and your own EditPolicy for this node. To do that, provide a
As an example, you may install interaction [1] meta-model to have a sequence diagram in Sirius.
The lifeline can not be dragged downward. To see what has been done take a look to org.eclipse.sirius.diagram.sequence.ui.tool.internal.edit.part.InstanceRoleEditPart
org.eclipse.sirius.diagram.sequence.ui.tool.internal.provider.SequenceDiagramEditPartProvider is the provider of this EditPart.


Best Regards

Laurent Fasani - Obeo
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