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Home » Modeling » GMF (Graphical Modeling Framework) » Dragging of external Label creates a new View
Dragging of external Label creates a new View [message #144203] Wed, 25 July 2007 12:32 Go to next message
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Originally posted by: jan.herriger.gmx.de

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Hello,

my diagram contains nodes with external labels. I'm able to move them
around, by directly clicking inside them. But when I try to drag them
using the "drag handles", a new view of the label's parent is created on
the canvas.

I installed a DiagramDragDropEditPolicy in order to create such views by
dragging objects from the project explorer onto the diagram. The problem
is, that the policy receives a DropObjectsRequest, when I drag an
external label.

The question is: how can I prevent this?

Best regards
Jan

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--------------000803060408090502090105--
Re: Dragging of external Label creates a new View [message #144234 is a reply to message #144203] Wed, 25 July 2007 13:56 Go to previous messageGo to next message
Eclipse UserFriend
Hello Jan,

Notation model elements for all the labels should return false from org.eclipse.gmf.runtime.notation.View.isSetElement()
method. Can you use this method to block unnecessary objects?

-----------------
Alex Shatalin
Re: Dragging of external Label creates a new View [message #144320 is a reply to message #144234] Wed, 25 July 2007 18:28 Go to previous message
Eclipse UserFriend
Originally posted by: jan.herriger.gmx.de

Since the request contains the EObject (the "semantic element") of the
parent EditPart, I don't think, there is a chance to do anything inside
the policy.

Well... I'll investige this tomorrow... it's too late in my lines of
latitude ;-)

Alex Shatalin schrieb:
> Hello Jan,
>
> Notation model elements for all the labels should return false from
> org.eclipse.gmf.runtime.notation.View.isSetElement() method. Can you use
> this method to block unnecessary objects?
>
> -----------------
> Alex Shatalin
>
>
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