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

/*********************************************************************
* Copyright (c) 2005, 2019 SAP SE
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* Contributors:
*    SAP SE - initial API, implementation and documentation
*    pjpaulin - Bug 352120 - Now uses IDiagramContainerUI interface
*
* SPDX-License-Identifier: EPL-2.0
**********************************************************************/
package org.eclipse.graphiti.examples.tutorial.property;

import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.gef.EditPart;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.ui.editor.IDiagramContainerUI;
import org.eclipse.graphiti.ui.platform.GraphitiConnectionEditPart;
import org.eclipse.ui.views.properties.IPropertySource;

/**
 * Registered to adapt an {@link EditPart} that gets selected in the
 * {@link IDiagramContainerUI} to A {@link IPropertySource} object that is used as
 * input for the properties view.
 */
public class GraphitiEditPartToIPropertySourceAdapterFactory implements IAdapterFactory {

	public GraphitiEditPartToIPropertySourceAdapterFactory() {
		super();
	}

	public Object getAdapter(Object adaptableObject, @SuppressWarnings("rawtypes") Class adapterType) {
		if (IPropertySource.class.equals(adapterType)) {
			if (adaptableObject instanceof GraphitiConnectionEditPart) {
				GraphitiConnectionEditPart editPart = (GraphitiConnectionEditPart) adaptableObject;
				PictogramElement pictogramElement = editPart.getPictogramElement();
				Object object = editPart.getFeatureProvider().getBusinessObjectForPictogramElement(pictogramElement);
				if (object instanceof EReference) {
					return new EReferencePropertySource((EReference) object);
				}
			}
		}
		return null;
	}

	@SuppressWarnings("rawtypes")
	public Class[] getAdapterList() {
		return new Class[] { IPropertySource.class };
	}
}