/*******************************************************************************
 * Copyright (c) 2010-2015 Henshin developers. 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:
 *     TU Berlin, University of Luxembourg, SES S.A.
 *******************************************************************************/
package de.tub.tfs.henshin.tggeditor.commands.delete.rule;

import org.eclipse.emf.henshin.model.ParameterMapping;
import org.eclipse.emf.henshin.model.Unit;
import org.eclipse.gef.commands.Command;

public class DeleteParameterMappingCommand extends Command {
	/** The parameter mapping. */
	private final ParameterMapping parameterMapping;
	
	/** The transformation unit. */
	private final Unit transformationUnit;
	

	/**
	 * Instantiates a new delete port mapping command.
	 *
	 * @param parameterMapping the parameter mapping
	 */
	public DeleteParameterMappingCommand(ParameterMapping parameterMapping) {
		super();
		this.parameterMapping = parameterMapping;
		this.transformationUnit = (Unit) parameterMapping.eContainer();
	}

	/* (non-Javadoc)
	 * @see org.eclipse.gef.commands.Command#canExecute()
	 */
	@Override
	public boolean canExecute() {
		return transformationUnit!=null;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.gef.commands.Command#execute()
	 */
	@Override
	public void execute() {
		transformationUnit.getParameterMappings().remove(parameterMapping);
		/** TODO Franky*/
		//SendNotify.sendRemovePortMappingNotify(parameterMapping, transformationUnit);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.gef.commands.Command#undo()
	 */
	@Override
	public void undo() {
		transformationUnit.getParameterMappings().add(parameterMapping);
		/** TODO Franky*/
		//SendNotify.sendAddPortMappingNotify(parameterMapping, transformationUnit);
	}
}