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negative coordinates [message #248695]

Mon, 27 April 2009 13:25

Carsten Spieker

Messages: 197
Registered: July 2009

Senior Member

Hi,

I

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Re: negative coordinates [message #248703 is a reply to message #248695]

Mon, 27 April 2009 17:31

Eclipse User

Originally posted by: cayla_sha.gmx.net

You could catch the event (the event that user moved element) and then
correct the coordinates, if they`re smaller than 0, like setting them to
0 or 1.

Carsten Spieker schrieb:
> Hi,
>
> IŽm still quite new to GEF editors.
>
> Is there any possibility to keep the user from creating an element in the
> negative coordinate area of the editor?
>
> Thanks and Greetz,
> Carsten
>
>

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Re: negative coordinates [message #248713 is a reply to message #248703]

Tue, 28 April 2009 06:24

Carsten Spieker

Messages: 197
Registered: July 2009

Senior Member

Hi,

thanks for that hint.
Now I have changed the edit policy which is checked when moving a child and
manipulate the target rectangle if x or y are <0.

Greetz,
Carsten

"Cayla Sha" <cayla_sha@gmx.net> schrieb im Newsbeitrag
news:gt4q4g$ptb$1@build.eclipse.org...
> You could catch the event (the event that user moved element) and then
> correct the coordinates, if they`re smaller than 0, like setting them to 0
> or 1.
>
> Carsten Spieker schrieb:
>> Hi,
>>
>> I

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Re: negative coordinates [message #248753 is a reply to message #248695]

Wed, 29 April 2009 16:45

Ben Vitale

Messages: 247
Registered: July 2009

Senior Member

If I understand your question correctly, you might want to use a root
edit part that is not free form.

That is, use ScalableRootEditPart instead of ScalableFreeformRootEditPart.

Regards,
Ben

Carsten Spieker wrote:
> Hi,
>
> I´m still quite new to GEF editors.
>
> Is there any possibility to keep the user from creating an element in the
> negative coordinate area of the editor?
>
> Thanks and Greetz,
> Carsten
>
>

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