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Home » Eclipse Projects » GEF » ConnectionDragCreationTool does not show feedback(the arrow feedback is not shown properly)
ConnectionDragCreationTool does not show feedback [message #634908] Mon, 25 October 2010 06:07 Go to next message
amay is currently offline amayFriend
Messages: 13
Registered: July 2009
Junior Member
Hello,
I in the GEF example I see that while creating the connection, once you select the source there's a solid line from source node following your mouse pointer to show the connection feedback (until you select target node and release mouse button).

In my viewer, I am setting the ConnectionDragCreationTool, when I select the source node and start dragging the mouse, a solid line appears at upper left corner (in diagonal direction) in the viewer. But I don't see the line from source node to my mouse pointer.

Am I missing anything? Please help me, I am stuck with this problem.

Thank you,
Amay.

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Re: ConnectionDragCreationTool does not show feedback [message #634911 is a reply to message #634908] Mon, 25 October 2010 06:46 Go to previous messageGo to next message
Devi Vara Prasad Bandaru is currently offline Devi Vara Prasad BandaruFriend
Messages: 100
Registered: March 2010
Location: Hyderabad
Senior Member
You need to implement this method and return the correct anchor
org.eclipse.gef.NodeEditPart.getSourceConnectionAnchor(Reque st).

Regards,
Prasad

http://marketplace.eclipse.org/user/9964/listings

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Re: ConnectionDragCreationTool does not show feedback [message #634919 is a reply to message #634911] Mon, 25 October 2010 07:06 Go to previous messageGo to next message
amay is currently offline amayFriend
Messages: 13
Registered: July 2009
Junior Member
I tried, it doesn't help Sad

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Re: ConnectionDragCreationTool does not show feedback [message #634937 is a reply to message #634919] Mon, 25 October 2010 07:55 Go to previous messageGo to next message
Devi Vara Prasad Bandaru is currently offline Devi Vara Prasad BandaruFriend
Messages: 100
Registered: March 2010
Location: Hyderabad
Senior Member
See if you are accidentally overriding this method org.eclipse.gef.editpolicies.GraphicalNodeEditPolicy.getSour ceConnectionAnchor(CreateConnectionRequest) and returning null in the edit policy.



Regards,
Prasad

http://marketplace.eclipse.org/user/9964/listings

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Re: ConnectionDragCreationTool does not show feedback [message #634941 is a reply to message #634937] Mon, 25 October 2010 08:01 Go to previous message
Devi Vara Prasad Bandaru is currently offline Devi Vara Prasad BandaruFriend
Messages: 100
Registered: March 2010
Location: Hyderabad
Senior Member
Are the connections getting created properly? you said there was problem with the feedback if there is problem with the connections itself then there can be some issue with the edit policy or the connection anchor.

Regards,
Prasad

http://marketplace.eclipse.org/user/9964/listings

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