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Z-order when the diagram is first time opened [message #1852379]

Thu, 12 May 2022 20:49

Wenqing Gu

Messages: 7
Registered: April 2022

Junior Member

Hi,

Let's say we have two kinds of node in the odesign file, corresponding to the A/B types of the objects that are stored in an array in the model. In our case, A/B types share the same parent type, so they are stored in the model in a single array.

We intend to show the nodes in the order of the array when the diagram is created, but due to the fact that there're two mappings, it is always showing all A types node first and then B types of node.

Do I in any chance to reorder them in the way I want? What could be the best options?

Do not really know deep in sirius, any suggestion would be grateful!

Thanks in advance!

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Re: Z-order when the diagram is first time opened [message #1852381 is a reply to message #1852379]

Fri, 13 May 2022 06:41

Laurent Redor

Messages: 300
Registered: July 2009

Senior Member

Hi,

A possible solution, the simpliest I think, is to have only one mapping. What is the reason to have two mappings? If it is for style, you can have one mapping with a default style for A and a conditional style for B.

Another solution is to manage z-order of nodes. But is necessary to know Sirius in deeper (GMF nodes vs Sirius nodes), using org.eclipse.sirius.diagram.business.api.refresh.IRefreshExtension.postRefresh(DDiagram) with a org.eclipse.sirius.diagram.business.api.refresh.IRefreshExtensionProvider using extension point "org.eclipse.sirius.refreshExtensionProvider". As the documentation said, this extension point allows you to add behaviors to the refresh operations of a viewpoint. It must be used with caution.

Regards,

Laurent

Laurent Redor - Obeo

Need training or professional services for Sirius?
http://www.obeodesigner.com/sirius

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Re: Z-order when the diagram is first time opened [message #1852401 is a reply to message #1852381]

Fri, 13 May 2022 19:18

Wenqing Gu

Messages: 7
Registered: April 2022

Junior Member

Thanks a lot for the prompt answer.
In fact the nodes are very different, so it is not possible with the conditional style. I will look into the other one, thanks again!

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