examples/org.eclipse.graphiti.examples.tutorial/src/org/eclipse/graphiti/examples/tutorial/property/TutorialEReferenceFilter.java

/*******************************************************************************
 * <copyright>
 *
 * Copyright (c) 2012, 2012 SAP AG.
 * 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:
 *    SAP AG - initial API, implementation and documentation
 *    pjpaulin - Bug 352120 - Now uses IDiagramContainerUI interface
 *
 * </copyright>
 *
 *******************************************************************************/
package org.eclipse.graphiti.examples.tutorial.property;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.services.Graphiti;
import org.eclipse.graphiti.ui.editor.IDiagramContainerUI;
import org.eclipse.graphiti.ui.platform.AbstractPropertySectionFilter;

/**
 * Filters out all other object than {@link EReference}s that get selected in
 * the {@link IDiagramContainerUI} for displaying properties.
 */
public class TutorialEReferenceFilter extends AbstractPropertySectionFilter {

	@Override
	protected boolean accept(PictogramElement pe) {
		EObject bo = Graphiti.getLinkService().getBusinessObjectForLinkedPictogramElement(pe);
		if (bo instanceof EReference) {
			return true;
		}
		return false;
	}
}