/*
* 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.relationship.diagram.edit.policies;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
import edu.toronto.cs.se.mmint.mid.relationship.diagram.edit.commands.ExtendibleElementReferenceSupertypeRefCreateCommand;
import edu.toronto.cs.se.mmint.mid.relationship.diagram.edit.commands.ExtendibleElementReferenceSupertypeRefReorientCommand;
import edu.toronto.cs.se.mmint.mid.relationship.diagram.edit.parts.ExtendibleElementReferenceSupertypeRefEditPart;
import edu.toronto.cs.se.mmint.mid.relationship.diagram.providers.MIDElementTypes;
/**
* @generated
*/
public class ModelElementEndpointReferenceItemSemanticEditPolicy extends MIDBaseItemSemanticEditPolicy {
/**
* @generated
*/
public ModelElementEndpointReferenceItemSemanticEditPolicy() {
super(MIDElementTypes.ModelElementEndpointReference_4002);
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
return getGEFWrapper(new DestroyElementCommand(req));
}
/**
* @generated
*/
protected Command getCreateRelationshipCommand(CreateRelationshipRequest req) {
Command command = req.getTarget() == null ? getStartCreateRelationshipCommand(req)
: getCompleteCreateRelationshipCommand(req);
return command != null ? command : super.getCreateRelationshipCommand(req);
}
/**
* @generated
*/
protected Command getStartCreateRelationshipCommand(CreateRelationshipRequest req) {
if (MIDElementTypes.ExtendibleElementReferenceSupertypeRef_4001 == req.getElementType()) {
return getGEFWrapper(
new ExtendibleElementReferenceSupertypeRefCreateCommand(req, req.getSource(), req.getTarget()));
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
if (MIDElementTypes.ExtendibleElementReferenceSupertypeRef_4001 == req.getElementType()) {
return getGEFWrapper(
new ExtendibleElementReferenceSupertypeRefCreateCommand(req, req.getSource(), req.getTarget()));
}
return null;
}
/**
* Returns command to reorient EReference based link. New link target or source
* should be the domain model element associated with this node.
*
* @generated
*/
protected Command getReorientReferenceRelationshipCommand(ReorientReferenceRelationshipRequest req) {
switch (getVisualID(req)) {
case ExtendibleElementReferenceSupertypeRefEditPart.VISUAL_ID:
return getGEFWrapper(new ExtendibleElementReferenceSupertypeRefReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}