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repositioning a figure [message #248785]

Tue, 05 May 2009 09:30

Eclipse User

Originally posted by: rodrigo.garcia.kotasoft.com

Hi,

I'm making an editor and I want to move or reposition a figure when
another figure is created having shared points. i.e: if the user creates
a new figure and put it above a second figure existing in the diagram,
the editor move down the second figure.

How can I do that? could someone give me a hint?

Thank you in advance

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Re: repositioning a figure [message #248797 is a reply to message #248785]

Tue, 05 May 2009 22:40

Ben Vitale

Messages: 247
Registered: July 2009

Senior Member

I would suggest handling this at the model level. When an item changes
position, it notifies interested parties of its new position. Some
"container" item can observe this and reposition other items as appropriate.

The figures will reposition automatically if you are following the
standard GEF patterns (model notifies edit part, edit part updates figure).

Let me know if this helps.

Ben

Rodrigo García wrote:
> Hi,
>
> I'm making an editor and I want to move or reposition a figure when
> another figure is created having shared points. i.e: if the user creates
> a new figure and put it above a second figure existing in the diagram,
> the editor move down the second figure.
>
> How can I do that? could someone give me a hint?
>
> Thank you in advance

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