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CreateView question [message #628178]

Thu, 23 September 2010 10:06

123star

Messages: 70
Registered: June 2010

Member

Hi,

I'm trying to create the view of an existing semantic element created in program, already added to model; to do so I found this way:

private Command createViewCommand(EObject template) {
CreateViewRequest.ViewDescriptor viewDescriptor = new CreateViewRequest.ViewDescriptor(new EObjectAdapter(
template), Node.class, ((IHintedType) XXXElementTypes
.getElementType(XXXEditPart.VISUAL_ID)).getSemanticHint(), true, CanvasEditPart
.getDiagramPreferencesHint());
viewDescriptor.setPersisted(true);
CreateViewRequest createViewRequest = new CreateViewRequest(viewDescriptor);
Command createViewCommand = CanvasEditPart.getCommand(createViewRequest);
return createViewCommand;
}

How can I translate the code
((IHintedType) XXXElementTypes
.getElementType(XXXEditPart.VISUAL_ID)).getSemanticHint()
for the type Port?

Thanks in advance, 123star

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Re: CreateView question [message #630254 is a reply to message #628178]

Fri, 01 October 2010 10:31

Remi Schnekenburger

Messages: 168
Registered: July 2009
Location: Palaiseau, France

Senior Member

Hi,

for the puzzle, i would answer:

VISUAL ID: org.eclipse.papyrus.diagram.composite.edit.parts.PortEditPar t.VISUAL_ID
Element types: org.eclipse.papyrus.diagram.composite.providers.UMLElementTy pes

Cheers
Rémi

Remi Schnekenburger

Get professional Eclipse developer support:
http://eclipsesource.com/en/services/developer-support/

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Re: CreateView question [message #630452 is a reply to message #630254]

Sat, 02 October 2010 16:54

123star

Messages: 70
Registered: June 2010

Member

Thank you Remi,

I've put in the code, but this exception occurs when I call the method for creating the view of the port:

Caused by: org.eclipse.core.runtime.AssertionFailedException: null argument:failed to create a view
at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)
at org.eclipse.gmf.runtime.diagram.ui.commands.CreateCommand.do ExecuteWithResult(CreateCommand.java:99)
at org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTr ansactionalCommand.doExecute(AbstractTransactionalCommand.ja va:247)
at org.eclipse.emf.workspace.AbstractEMFOperation.execute(Abstr actEMFOperation.java:150)
at org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy.ex ecute(ICommandProxy.java:68)
at org.eclipse.gef.commands.CompoundCommand.execute(CompoundCom mand.java:111)

I tried different ways to do this, but I always get this exception.
I miss something, I looked through GMF forum, but I didn't find some working code.
For now I haven't managed to find a way to synchronize the view with the model...

Thanks in advance, 123star

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Re: CreateView question [message #630621 is a reply to message #630452]

Mon, 04 October 2010 12:15

Patrick Tessier

Messages: 238
Registered: July 2009
Location: Paris Saclay, France

Senior Member

It seems that the framework can not create the view.

Have you try to create the view element with the good parentview.

For exemple the parent view of the port can be a class view not a compartment.
What is your variable "template".

Patrick

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Re: CreateView question [message #661226 is a reply to message #630452]

Wed, 23 March 2011 15:55

yangui

Messages: 2
Registered: January 2011

Junior Member

I have the same problem as you. Did you resolve this problem?
I wish to create a view of an existing semantic element created in program.
I used your code and I have the same exception.

Thank you in adavance!!
Rahma.

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