examples/org.eclipse.graphiti.examples.composite/src/org/eclipse/graphiti/examples/composite/DiagramCompositeViewExample.java

/*******************************************************************************
 * <copyright>
 *
 * Copyright (c) 2013 SRC
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    pjpaulin - initial API, implementation and documentation
 *
 * </copyright>
 *
 *******************************************************************************/
package org.eclipse.graphiti.examples.composite;

import org.eclipse.emf.common.util.URI;
import org.eclipse.graphiti.ui.editor.DiagramComposite;
import org.eclipse.graphiti.ui.editor.DiagramEditorInput;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.part.ViewPart;

public class DiagramCompositeViewExample extends ViewPart {

    private DiagramComposite diagramComposite;

    @Override
    public void createPartControl(Composite parent) {
        this.diagramComposite = new DiagramComposite(this, parent, SWT.NONE);
        this.diagramComposite.setLayout(new FillLayout());
        this.diagramComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        
		URI uri = URI.createURI("platform:/plugin/org.eclipse.graphiti.examples.composite/test.diagram#/0");
        this.diagramComposite.setInput(new DiagramEditorInput(uri,
                "org.eclipse.graphiti.examples.tutorial.diagram.TutorialDiagramTypeProvider"));
    }

    @Override
    public void setFocus() {
        this.diagramComposite.setFocus();
    }
    
    public Object getAdapter(@SuppressWarnings("rawtypes") Class type) {
        Object returnObj = null;

        if (this.diagramComposite != null && !this.diagramComposite.isDisposed()) 
            returnObj = this.diagramComposite.getAdapter(type);
        
        if (returnObj != null)
            return returnObj;
        
        return super.getAdapter(type);
    }
}