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Create connection: automatically create the source element [message #232003]

Tue, 02 June 2009 11:06

Urs Frei

Messages: 27
Registered: July 2009

Junior Member

Hello

I have two Nodes A and B. I can connect there by the connection AB. After I
create the node A, I can create a connection AB that creates the Node B
automatically. Now I would like to have the possibility to create a Node B
and create a connection to Node B that creates automatically the Node A.

What can I do to have this behaviour?

Thank you for your help

Urs

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Re: Create connection: automatically create the source element [message #232020 is a reply to message #232003]

Tue, 02 June 2009 12:46

Esteban Dugueperoux

Messages: 472
Registered: July 2009

Senior Member

Hi Urs,

In your ecore metamodel your AB EReference has a opposite reference?
Graphically you speak of Connection Handle (see
http://help.eclipse.org/ganymede/index.jsp?topic=/org.eclips e.gmf.doc/tutorials/diagram/connectionCreationAssistantTutor ial.html)

Urs Frei a écrit :
> Hello
>
> I have two Nodes A and B. I can connect there by the connection AB. After I
> create the node A, I can create a connection AB that creates the Node B
> automatically. Now I would like to have the possibility to create a Node B
> and create a connection to Node B that creates automatically the Node A.
>
> What can I do to have this behaviour?
>
> Thank you for your help
>
> Urs
>
>

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Re: Create connection: automatically create the source element [message #232118 is a reply to message #232020]

Wed, 03 June 2009 09:15

Urs Frei

Messages: 27
Registered: July 2009

Junior Member

Hello

Thank you for your very fast answer

I studied your link, but I think it doesn't solve my problem. My workflow is
like follow:
1. The editor is empty
2. I create the node B
3. I select the connection Tool (AB) in the toolbox
4. I move the mouse to a empty area on the editor (actually the mouse cursor
shows a forbidden symbol)
5. I press the left mouse button
6. Drag to the node B

Now it should create the Node A an create the connection between A and B. My
problem is, that I have on point 4 on my workflow the forbidden mouse
cursor.

The other way around (create Node A, create Connection...) works by
implementing a ContainerNodeEditPolicy.

Have you any other idea?

Thank you for your help

Urs

"Esteban DUGUEPEROUX" <dugueperoux.esteban@free.fr> schrieb im Newsbeitrag
news:h036uf$4ba$1@build.eclipse.org...
> Hi Urs,
>
> In your ecore metamodel your AB EReference has a opposite reference?
> Graphically you speak of Connection Handle (see
> http://help.eclipse.org/ganymede/index.jsp?topic=/org.eclips e.gmf.doc/tutorials/diagram/connectionCreationAssistantTutor ial.html)
>
>
> Urs Frei a

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