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Disabling Undo Issues [message #1122687]

Tue, 01 October 2013 16:57

Eclipse User

Hello,
I am using a non-EMF model and I am implementing ICustomUndoablePattern to return false during canUndo() in an attempt to prevent the feature from being undone. However, eclipse provides the undo command to the user.

For example after creating a connection from the palette, the undo command in eclipse is not-disabled and has the text, "Undo connection creation".

Is there any way to disable undo/redo functionality? In my example case, when the user runs undo, the connection pictogram is removed, but because the feature is not undoable, the underlying business model is not changed.

I would prefer a method that would disable undoing/clear the undo stack in cases like this. It would allow me and others to work on our editors and add undo functionality as practical.

Thank you,

Re: Disabling Undo Issues [message #1125387 is a reply to message #1122687]

Fri, 04 October 2013 09:02

Eclipse User

Phillip,

having a method to disable undo completely would surely ease such scenarios.
On the other hand there might also be a bug in the framework if the
connection creation feature does no react on returning false in canUndo.

Would you please file this as a bug to track the issue?

Thanks,
Michael

Re: Disabling Undo Issues [message #1125400 is a reply to message #1122687]

Fri, 04 October 2013 09:18

Eclipse User

Done https://bugs.eclipse.org/bugs/show_bug.cgi?id=418676.

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