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Deleting a node that has source and target connection [message #229168]

Thu, 07 May 2009 12:23

Javier

Messages: 57
Registered: July 2009

Member

Hi,

I have a simple case in which I have several nodes in my diagram and
they can connect to each other without any constraint. Those connections
are defined in the mapping without model element.

I need to add some additional behavior to the fact of deleting a
connection. So I have 2 cases:

1 - Deleting the connection directly, so I reimplement the
ComponentEditPolicy of the connection EditPart

2 - Deleting a node that has, for example, target connections.. those
connections will be deleted as well. And in this scenario I don't find
where do I have to touch (in the code) to incercept that event and add
my behavior... does anyone know where? I guess it should be an EditPolicy...

Thanks

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Re: Deleting a node that has source and target connection [message #229629 is a reply to message #229168]

Tue, 12 May 2009 13:45

Alexander Shatalin

Messages: 2928
Registered: July 2009

Senior Member

Hello Javier,

> 2 - Deleting a node that has, for example, target connections.. those
> connections will be deleted as well. And in this scenario I don't find
> where do I have to touch (in the code) to incercept that event and add
> my behavior... does anyone know where? I guess it should be an
> EditPolicy...
You can modify either XXXItemSemanticEditPolicy generated for link source/target
nodes or listen for the notifications from notation model (this should cover
even case 1.).

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

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