/*
* Copyright (c) 2012-2016 Marsha Chechik, Alessio Di Sandro, Michalis Famelis,
* Rick Salay.
* 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:
* Alessio Di Sandro - Implementation.
*/
package edu.toronto.cs.se.mmint.mid.diagram.edit.policies;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import edu.toronto.cs.se.mmint.mid.diagram.edit.commands.ModelImportModelCommand;
import edu.toronto.cs.se.mmint.mid.diagram.edit.commands.ModelNewModelCommand;
import edu.toronto.cs.se.mmint.mid.diagram.edit.commands.ModelRelImportNaryRelCommand;
import edu.toronto.cs.se.mmint.mid.diagram.edit.commands.ModelRelNewNaryRelCommand;
import edu.toronto.cs.se.mmint.mid.diagram.edit.commands.OperatorNewOperatorCommand;
import edu.toronto.cs.se.mmint.mid.diagram.providers.MIDElementTypes;
/**
* The semantic edit policy for the Mid diagram (i.e. a multimodel).
*
* @author Alessio Di Sandro
*
*/
public class MIDDiagramSemanticEditPolicy extends MIDItemSemanticEditPolicy {
/**
* Gets the command to create a new element in the diagram.
*
* @param req
* The request.
* @return The executable command.
*/
@Override
protected Command getCreateCommand(CreateElementRequest req) {
if (MIDElementTypes.Model_2001 == req.getElementType()) {
return getGEFWrapper(new ModelNewModelCommand(req));
}
if (MIDElementTypes.Model_2002 == req.getElementType()) {
return getGEFWrapper(new ModelImportModelCommand(req));
}
if (MIDElementTypes.ModelRel_2003 == req.getElementType()) {
return getGEFWrapper(new ModelRelNewNaryRelCommand(req));
}
if (MIDElementTypes.ModelRel_2004 == req.getElementType()) {
return getGEFWrapper(new ModelRelImportNaryRelCommand(req));
}
if (MIDElementTypes.Operator_2005 == req.getElementType()) {
return getGEFWrapper(new OperatorNewOperatorCommand(req));
}
return null;
}
}