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How to get Diagram from EditPart [message #1807827]

Mon, 10 June 2019 12:20

Dylan Trenti

Messages: 7
Registered: March 2019

Junior Member

Hi everyone,

I'm trying to create a filter to display only dependencies wich have a specific stereotype, into a BDD.

I did something similar on State Machine Diagrams (filtering transitions), but the procedure looks quite different when I need to extract the diagram from the IGraphicalEditPart.

So what I need is to get a Diagram object from an IGraphicalEditPart.

What I have done to get it for the state machine:

private Diagram getDiagramFromSelection(EditPart selectedEditPart)
 {
	EditPart parentEditPart = selectedEditPart.getParent();
	while (!(parentEditPart instanceof PackageEditPart)) 
	{
		parentEditPart = parentEditPart.getParent();
	}
		
	return ((PackageEditPart) parentEditPart).getDiagramView();		
}

This isn't working on an EditPart obtained from a BDD.

So I tried different things like:

DiagramEditPart diagramEditPart = ...  ;
final Diagram diagram = (Diagram) diagramEditPart.resolveSemanticElement();

or getting the parent and treating it as a package, but navigating it while debugging I noticed that it is a LinkLFDiagramRootEditPart.

I hope someone can Help me

Dylan

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Re: How to get Diagram from EditPart [message #1807829 is a reply to message #1807827]

Mon, 10 June 2019 12:43

Camille Letavernier

Messages: 952
Registered: February 2011

Senior Member

Hi Dylan,

This should work in all cases:

IGraphicalEditPart gep = ...;
View view = gep.getNotationView();
Diagram diagram = view.getDiagram();

HTH,
Camille

Camille Letavernier

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