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GraphicalEditor in Composite [message #921748]

Mon, 24 September 2012 07:46

Eclipse User

Hi,
Is it Possible to show GraphicalEditor inside composite and not Editor?

Right now I display gef like this:

IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();	
				
 page.openEditor(editorInput,EditorGEF.ID, true);

I need to display the graph in "dialog window".

Re: GraphicalEditor in Composite [message #922612 is a reply to message #921748]

Tue, 25 September 2012 03:02

Eclipse User

Hi,

The best way in your case don't use GraphicalEditor and use directly graphical viewer. It will looks like that:

        final Composite viewerComposite = toolkit.createComposite(composite);
        viewerComposite.setLayout(new FillLayout());
        final GraphicalViewer viewer = new ScrollingGraphicalViewer();
        viewer.createControl(viewerComposite);

Thanks,
Igor

Re: GraphicalEditor in Composite [message #925572 is a reply to message #922612]

Thu, 27 September 2012 17:16

Eclipse User

But how do I define and set EditPartFactory?

Re: GraphicalEditor in Composite [message #926179 is a reply to message #921748]

Fri, 28 September 2012 07:34

Eclipse User

I've managed to display graph in dialog but now I have problem with
ScrollingGraphicalViewer, I don't get the scrolling bars.

private void initialize() {

 this.initData();
  this.setLayout(new FillLayout());

final GraphicalViewer viewer = new ScrollingGraphicalViewer();
        
viewer.createControl(this); //this class extends Composite
viewer.setEditDomain(new DefaultEditDomain(null));           
viewer.setRootEditPart(new ScalableFreeformRootEditPart());

//CustomEditPartFactory extends EditPartFactory
CustomEditPartFactory customEditPartFactory = new CustomEditPartFactory(this);      

viewer.setEditPartFactory(customEditPartFactory);
        
viewer.setContents(model); 
        
CompoundDirectedGraph graph = new CompoundDirectedGraph();
graph.nodes = nodes;
graph.edges = edges;
new CompoundDirectedGraphLayout().visit(graph);

}

After investigating i've found out that I get the scroll bars when i try to move figures outside the initial frame.

But at initialization, the diagram size is > size of the shell size.

So the question how to specify the size of the ScrollingGraphicalViewer?

[Updated on: Fri, 28 September 2012 09:33] by Moderator

Re: GraphicalEditor in Composite [message #930060 is a reply to message #926179]

Mon, 01 October 2012 21:44

Eclipse User

Hi,

First of all extend Composite is not good experience. Probably it is enough to use standard composite with FillLayout

viewer.createControl(composite);

Probably try to use ScalableRootEditPart instead of ScalableFreeformRootEditPart:

viewer.setRootEditPart(new ScalableRootEditPart ());

So the main issue that scrolls are not shown initially? But when you try to move figure outside the editor it properly layouted and scrolls are shown?

Thanks,
Igor

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