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How to embed Papyrus UML class diagram within another GEF editor? [message #630598]

Mon, 04 October 2010 07:04

Eclipse User

Hi,

I am currently writing a plugin that needs to embed UML diagrams (from possibly different modeling tools) within a GEF editor. I already downloaded the source code of Papyrus in order to figure out how load the diagram *.di file and create the respective edit part. Since I am not using the GMF framework for my editor, I have no clue what is needed and what not Sad

The embedded diagram does not need any editing functionality at all, it should just display the diagram in a configurable size and update the view if some external editor modifies the UML model or the DI resource.

Any ideas?

Thanks in advance,
Gunnar

Re: How to embed Papyrus UML class diagram within another GEF editor? [message #630619 is a reply to message #630598]

Mon, 04 October 2010 08:07

Eclipse User

It seems complex because some figures, edit part inherits from gmf libraries.
Have you tried to install the gmf runtime.

Patrick

Re: How to embed Papyrus UML class diagram within another GEF editor? [message #630683 is a reply to message #630619]

Mon, 04 October 2010 10:55

Eclipse User

Basically, dependencies on GMF are not a problem at all. I want to provide some sort of connector which connects diagrams of different modeling tools with my application. At the moment, I am trying to load the DI file using the following code:

try
{
	ResourceSet set = new  ResourceSet();
	Resource resource = set.createResource(URI
		.createPlatformResourceURI(diagramFile.getFullPath()
							.toString(), false));

	if (!resource.isLoaded())
	{
		resource.load(new HashMap(GMFResourceFactory
			.getDefaultLoadOptions()));
	}

	Iterator rootContents = resource.getContents().iterator();
	while(rootContents.hasNext())
	{
		EObject rootElement = (EObject)rootContents.next();
		if(rootElement instanceof Diagram)
			this.diagram =  (Diagram)rootElement;
	}

	System.out.println(diagram.getName());
}
catch (IOException e)
{
	e.printStackTrace();
}

The problem is that the contents of the resource are instances of SashWindowsMngr, rather than Diagram. Am I missing something?

Re: How to embed Papyrus UML class diagram within another GEF editor? [message #630841 is a reply to message #630683]

Tue, 05 October 2010 05:11

Eclipse User

Hi,
In Papyrus, we can display several diagram in the same editor.
To do that, we have design a model that references diagrams , this is the SashModel
org.eclipse.papyrus.sasheditor.di\model\di.ecore
In this model, we can know where is put the diagram which dimension, etc... I understand that the di file can confuse developers.

The diagram can be found in the notation file.

A di file looks like that:

<?xml version="1.0" encoding="ASCII"?>
<di:SashWindowsMngr xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:di="http://www.eclipse.org/papyrus/0.7.0/sashdi" xmi:id="_JfTw8spTEd-Ly98anaGDeg">
  <pageList xmi:id="_JfTw88pTEd-Ly98anaGDeg">
    <availablePage xmi:id="_Jfc64cpTEd-Ly98anaGDeg">
      <emfPageIdentifier href="model.notation#_JfTw8MpTEd-Ly98anaGDeg"/>
    </availablePage>
    <availablePage xmi:id="_A8rPVMpYEd-1LOFEodgUOQ">
      <emfPageIdentifier href="model.notation#_A8iFUcpYEd-1LOFEodgUOQ"/>
    </availablePage>
    <availablePage xmi:id="_RYCsycyNEd-t0sqdTA50oA"/>
  </pageList>
  <sashModel xmi:id="_JfTw9MpTEd-Ly98anaGDeg" currentSelection="_Jfc64MpTEd-Ly98anaGDeg">
    <windows xmi:id="_JfTw9cpTEd-Ly98anaGDeg">
      <children xsi:type="di:TabFolder" xmi:id="_Jfc64MpTEd-Ly98anaGDeg">
        <children xmi:id="_Jfc64spTEd-Ly98anaGDeg">
          <emfPageIdentifier href="model.notation#_JfTw8MpTEd-Ly98anaGDeg"/>
        </children>
        <children xmi:id="_UW00UMvYEd-OpLwFnxoZew">
          <emfPageIdentifier href="model.notation#_A8iFUcpYEd-1LOFEodgUOQ"/>
        </children>
      </children>
    </windows>
  </sashModel>
</di:SashWindowsMngr>

You can see that emfPage indentifier refences real diagram of the notation file

Patrick

Re: How to embed Papyrus UML class diagram within another GEF editor? [message #631811 is a reply to message #630841]

Fri, 08 October 2010 16:56

Eclipse User

Thank you, that worked!

The only thing that annoys me is that somehow all layout information is lost, including placement of diagram elements and their sizes. However, if i use the CopyToImageUtil of GMF, the resulting image contains the correct diagram.

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