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Home » Eclipse Projects » GEF » How to start with GEF and EMF transactions(To be heading in the right direction)
How to start with GEF and EMF transactions [message #814329] Tue, 06 March 2012 10:13
nicolas h is currently offline nicolas hFriend
Messages: 60
Registered: February 2011
Location: Grenoble, France
I'm new in GEF. I followed several tutorials to build my own graphical editors with GEF and GraphicalEditorWithPalette. In all examples I found, the graphical editor is built with a DefaultEditDomain :

example (from
public OPMGraphicalEditor() {
    setEditDomain(new DefaultEditDomain(this));

I think DefaultEditDomain is not well suited for my needs :

1) Several graphical editors may work on the same model;
2) A model may be modified when another model is modified inside a graphical editor;
3) My model must not contain any useless information like coordinations or visual aspect. These information must be appear inside a related "view" model, like in GMF.

Is the TransactionalEditingDomain the best way to fit my needs ? How to use TransactionalEditingDomain with a GraphicalEditorWithPalette (Related tutorials about this ?)

The third point about the view model is a bit tricky for me, because I found a lot of topics about it, but not real implementation examples. Can you give me a lead please ?


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