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How to change layout programatically [message #1822221]

Mon, 02 March 2020 04:57

Mohit Advani

Messages: 28
Registered: May 2019

Junior Member

Hi,

In .odesign file there is option to change layout at runtime { PFA], i want to expose same option from toolbar {like node arrangement Top-Bottom or left-right}, how can i do , is there any particular methods which will be useful.

Thanks and Regards
Mohit Advani

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Re: How to change layout programatically [message #1822348 is a reply to message #1822221]

Wed, 04 March 2020 15:15

Florian Barbin

Messages: 270
Registered: August 2010

Senior Member

Hi,

The arrange options cannot be chosen by the end user in the diagram. By default, the arrange all will perform the layout found by the sirius DefaultLayoutProvider: see https://www.eclipse.org/sirius/doc/developer/extensions-provide_custom-arrange-all.html.
You can provide your own tabbar action (see https://www.eclipse.org/sirius/doc/developer/extensions-provide_tabbar_extensions.html) to execute a specific arrange algorithm. The new action can call org.eclipse.sirius.diagram.ui.tools.internal.layout.provider.CompositeTopDownProvider.getLayoutNodeProvider(IGraphicalEditPart) for instance, and then execute the command returned by org.eclipse.gmf.runtime.diagram.ui.services.layout.AbstractLayoutEditPartProvider.layoutEditParts(List, IAdaptable)

regards,

Florian

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