/*****************************************************************************
* Copyright (c) 2009 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
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Adapted code from Class Diagram
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.profile.custom.policies.itemsemantic;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.command.DeleteCommand;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
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.ReorientRelationshipRequest;
import org.eclipse.papyrus.commands.wrappers.EMFtoGMFCommandWrapper;
import org.eclipse.papyrus.uml.diagram.profile.custom.commands.CustomAssociationReorientCommand;
import org.eclipse.papyrus.uml.diagram.profile.edit.parts.AssociationEditPart;
import org.eclipse.papyrus.uml.diagram.profile.providers.UMLElementTypes;
import org.eclipse.uml2.uml.Association;
import org.eclipse.uml2.uml.Property;
/**
* this a specialization to manage creation of association and associationClass
*/
public class CustomAssociationItemSemanticEditPolicy extends org.eclipse.papyrus.uml.diagram.profile.edit.policies.AssociationItemSemanticEditPolicy {
/**
*
* {@inheritDoc}
*/
@Override
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
if(UMLElementTypes.Association_4001 == req.getElementType()) {
return getGEFWrapper(new org.eclipse.papyrus.uml.diagram.profile.custom.commands.CustomAssociationCreateCommand(req, req.getSource(), req.getTarget()));
}
return super.getCompleteCreateRelationshipCommand(req);
}
/**
*
* @see org.eclipse.papyrus.uml.diagram.profile.edit.policies.AssociationItemSemanticEditPolicy#getReorientRelationshipCommand(org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest)
*
* @param req
* @return
*/
@Override
protected Command getReorientRelationshipCommand(ReorientRelationshipRequest req) {
switch(getVisualID(req)) {
case AssociationEditPart.VISUAL_ID:
return getGEFWrapper(new CustomAssociationReorientCommand(req));
}
return super.getReorientRelationshipCommand(req);
}
/**
* {@inheritDoc}
*/
@Override
protected Command getDestroyElementCommand(DestroyElementRequest req) {
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(getEditingDomain(), null);
cmd.setTransactionNestingEnabled(true);
List<EObject> todestroy = new ArrayList<EObject>();
EObject mainObjectToDelete = req.getElementToDestroy();
todestroy.add(mainObjectToDelete);
if(mainObjectToDelete instanceof Association) {
// check end properties. If they do not belong to the association, they should be deleted also
Association association = (Association)mainObjectToDelete;
for(Property end : association.getMemberEnds()) {
if(end.getOwner() != association) {
todestroy.add(end);
}
}
}
cmd.add(new EMFtoGMFCommandWrapper(new DeleteCommand(getEditingDomain(), todestroy)));
return getGEFWrapper(cmd.reduce());
}
/**
*
* {@inheritDoc}
*/
@Override
protected Command getStartCreateRelationshipCommand(CreateRelationshipRequest req) {
if(UMLElementTypes.Association_4001 == req.getElementType()) {
return getGEFWrapper(new org.eclipse.papyrus.uml.diagram.profile.custom.commands.CustomAssociationCreateCommand(req, req.getSource(), req.getTarget()));
}
return super.getStartCreateRelationshipCommand(req);
}
}