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Custom DragTracker [message #209631]

Thu, 11 March 2004 09:35

Eclipse User

I have a class diagram where a class is made up of boxes and text such
that the top level box (node) can be dragged around the diagram. I have
written a custom drag tracker for the text so that when the text is
selected, it also selects the node so that the node can be dragged. I've
done this by overriding the performSelection() method in
DragEditPartsTracker and appending the node to the selection (as suggested
by the response to one of my earlier questions).

This works to a point. If I select some text, it selects the node. If I
then perform a drag, then the outline of the node follows the cursor. The
problem is that I get the "no drop" symbol and cannot drop the node
anywhere. What is preventing this from happening?

Thanks.

James

WRONG FORUM Re: Custom DragTracker [message #209645 is a reply to message #209631]

Thu, 11 March 2004 09:43

Eclipse User

Sorry Guys - wrong forum, this was intended for GEF.

James Willans wrote:

> I have a class diagram where a class is made up of boxes and text such
> that the top level box (node) can be dragged around the diagram. I have
> written a custom drag tracker for the text so that when the text is
> selected, it also selects the node so that the node can be dragged. I've
> done this by overriding the performSelection() method in
> DragEditPartsTracker and appending the node to the selection (as suggested
> by the response to one of my earlier questions).

> This works to a point. If I select some text, it selects the node. If I
> then perform a drag, then the outline of the node follows the cursor. The
> problem is that I get the "no drop" symbol and cannot drop the node
> anywhere. What is preventing this from happening?

> Thanks.

> James

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