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Undo/Redo not working with DiagramEditor subclass [message #1709047]

Wed, 23 September 2015 14:33

Rafal Filipiuk

Messages: 14
Registered: September 2015

Junior Member

Hi,

So I have a FooDiagramEditor that I registered under org.eclipse.ui.editors. It looks like this:

public class FooDiagramEditor extends DiagramEditor {
//class body is empty
}

When I open my diagram file (of diagramType X) with FooDiagramEditor, Undo and Redo don't work and are greyed out on the taskbar.

What's going on under the hood? Does the Graphiti Diagram Editor use different diagram behavior implementations than the one DiagramEditor offers?

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Re: Undo/Redo not working with DiagramEditor subclass [message #1709050 is a reply to message #1709047]

Wed, 23 September 2015 14:43

Michael Wenz

Messages: 1931
Registered: July 2009
Location: Walldorf, Germany

Senior Member

Rafal,

the coding and the used behavior classes are the same, I guess what is missing in your case is the registration of the actions in the global action registry. This is done by DiagramEditorActionBarContributor, note that this class needs to be registered within your editor registration in plugin.xml as contributorClass.

HTH,
Michael

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