OperationTemplateParameterItemSemanticEditPolicy.java

/*****************************************************************************
 * Copyright (c) 2010 CEA LIST.
 *
 *    
 * 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:
 *  Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
 */
package org.eclipse.papyrus.uml.diagram.clazz.edit.policies;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.UnexecutableCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.papyrus.uml.diagram.clazz.providers.UMLElementTypes;

/**
 * @generated
 */
public class OperationTemplateParameterItemSemanticEditPolicy extends UMLBaseItemSemanticEditPolicy {

	/**
	 * @generated
	 */
	public OperationTemplateParameterItemSemanticEditPolicy() {
		super(UMLElementTypes.OperationTemplateParameter_3035);
	}

	/**
	 * @generated
	 */
	protected Command getDestroyElementCommand(DestroyElementRequest req) {
		EObject selectedEObject = req.getElementToDestroy();
		IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
		if(provider != null) {
			// Retrieve delete command from the Element Edit service
			ICommand deleteCommand = provider.getEditCommand(req);
			if(deleteCommand != null) {
				return new ICommandProxy(deleteCommand);
			}
		}
		return UnexecutableCommand.INSTANCE;
	}
}