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Shape resize behaviour [message #1050620]

Sat, 27 April 2013 13:23

Christian Pelster

Messages: 23
Registered: January 2010

Junior Member

Hi all,

I have another question this time regarding the resize behaviour:

I'm following the tutorial and now have a EClass representation that looks like this:

-------------
| Classname |
|xxxxxxxxxxx|
|           |
|           |
|           |
------------

xxxxxxxx is a polyline. The problem is that the xxxxxx line does not get resized when the container does. Is there a way to get the line to take it's width from the container?
If not what is the best way to implement my own resize behaviour? Custom Shape Implementation, custom resize Feature, ...?

Regards,

Pelle

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Re: Shape resize behaviour [message #1051657 is a reply to message #1050620]

Mon, 29 April 2013 04:27

Hallvard Traetteberg

Messages: 673
Registered: July 2009
Location: Trondheim, Norway

Senior Member

On 27.04.13 06.23, Christian Pelster wrote:
> Hi all,
>
> I have another question this time regarding the resize behaviour:
>
> I'm following the tutorial and now have a EClass representation that
> looks like this:
>
>
> -------------
> | Classname |
> |xxxxxxxxxxx|
> | |
> | |
> | |
> ------------
>
>
> xxxxxxxx is a polyline. The problem is that the xxxxxx line does not get
> resized when the container does. Is there a way to get the line to take
> it's width from the container?
> If not what is the best way to implement my own resize behaviour? Custom
> Shape Implementation, custom resize Feature, ...?

I think a custom layout feature is appropriate for this case.

Hallvard

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Re: Shape resize behaviour [message #1051841 is a reply to message #1051657]

Mon, 29 April 2013 09:18

Michael Wenz

Messages: 1931
Registered: July 2009
Location: Walldorf, Germany

Senior Member

Christian,

what Hallvard wrote is correct. Probably you have just overlooked the
according lines in the layout feature described in the tutorial:
http://help.eclipse.org/juno/index.jsp?topic=%2Forg.eclipse.graphiti.doc%2Fresources%2Fdocu%2Fgfw%2Flayout-feature.htm&cp=30_1_3_6

if (graphicsAlgorithm instanceof Polyline) {
Polyline polyline = (Polyline) graphicsAlgorithm;
Point secondPoint = polyline.getPoints().get(1);
Point newSecondPoint =
gaService.createPoint(containerWidth, secondPoint.getY());
polyline.getPoints().set(1, newSecondPoint);
anythingChanged = true;

Cares about updating the length of the line.

Michael

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