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JFace Texteditor - Custom Undo [message #905964]

Fri, 31 August 2012 11:34

Sevi Voest

Messages: 2
Registered: August 2012

Junior Member

Hello,

I am currently developing a TextEditor using JFace and seeking to replace the standard Undo functionality with a custom one.

Is there a tutorial available to do this and to replicate the appearance of the standard implementation (i.e., icon in context menu, key bindings)?

So far I have tried providing my own implementation of IUndoManager in my source viewer's configuration, but while this might suffice functionality-wise, the element in the context menu does not assume the appearance of the standard implementation and I failed to reengineer how the default implementation achieves this. Also, I am unsure whether this implementation is correct and what exactly the IUndoContext's purpose is.

If someone could help me with this, I would be very much relieved Smile

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Re: JFace Texteditor - Custom Undo [message #909507 is a reply to message #905964]

Fri, 07 September 2012 08:56

Sevi Voest

Messages: 2
Registered: August 2012

Junior Member

Just posting this for completeness, in case anyone runs across the same problem:

The way to go is to override createUndoRedoActions() such that the UndoActionHandler is replaced with a custom Action that contains the required implementation for Undo.

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