StateMachineDiagramCreationCondition.java

/*****************************************************************************
 * Copyright (c) 2010 Atos Origin.
 *  
 * 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:
 *  Atos Origin - Initial API and implementation
 *****************************************************************************/
package org.eclipse.papyrus.uml.diagram.statemachine;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.infra.core.extension.commands.PerspectiveContextDependence;
import org.eclipse.uml2.uml.StateMachine;

/**
 * StateMachineDiagramCreationCondition class allows to check if a State Machine
 * diagram can be added to the selected element.
 */
public class StateMachineDiagramCreationCondition extends PerspectiveContextDependence {

	/**
	 * @return whether the diagram can be created.
	 */
	public boolean create(EObject selectedElement) {
		if(super.create(selectedElement)) {
			// TODO : to specify according to the spec
			return selectedElement instanceof StateMachine;
		}
		return false;
	}

}