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External plugins aware of changes in a diagram ? [message #188259]

Wed, 21 May 2008 15:41

Eclipse User

Originally posted by: zippo29.hotmail.fr

Hi!

Is there a way to make an external plugin aware of changes in a diagram ?
And, is it possible for an external plugin to manipulate a diagram ?

For example :
if i create a node in diagram or delete it can i make a plugin X handmade
aware of this through listners for example?
Can an external plugin come and create a diagram like when we create an
ecore_diagram from a .ecore file? And how it can be implemented ?

It will be helpfull if someone has an answer (Yes ? no ? Stop asking for
weird things :p ?)

Thanks in advance

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Re: External plugins aware of changes in a diagram ? [message #188321 is a reply to message #188259]

Wed, 21 May 2008 16:29

Alexander Shatalin

Messages: 2928
Registered: July 2009

Senior Member

Hello Mous,

> aware of this through listners for example?
Sure. You can add listners for any EMF objects. See GraphicalEditPart.activate()
method as an example - all the generated EditParts (subclasses of GraphicalEditPart)
are registered as a listeners for corresponding domain model elements.
In addition EContentAdapter class can be usefull if you'd like to listen
all the EObjects starting from some top-level one.

> Can an external plugin come and create a diagram like when we create
> an ecore_diagram from a .ecore file? And how it can be implemented ?
See generated EcoreInitDiagramFileAction.

-----------------
Alex Shatalin

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Re: External plugins aware of changes in a diagram ? [message #188399 is a reply to message #188321]

Thu, 22 May 2008 07:29

Eclipse User

Originally posted by: zippo29.hotmail.fr

Thx Alex!
In fact, it is an advanced use case in my project and i am still a way (a
long way :( )from it today but i will check the classes you told me about!

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