/*****************************************************************************
 * 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.custom.policies.itemsemantic;

import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.papyrus.uml.diagram.clazz.custom.command.BranchDependenctReorientCommand;
import org.eclipse.papyrus.uml.diagram.clazz.custom.command.CInstanceSpecificationLinkCreateCommand;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.DependencyBranchEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.edit.policies.InstanceSpecificationItemSemanticEditPolicy;
import org.eclipse.papyrus.uml.diagram.clazz.providers.UMLElementTypes;

/**
 * this class has been specialized in order to manage reconnection of multidependency
 * 
 */
public class CustomInstanceSpecificationItemSemanticEditPolicy extends InstanceSpecificationItemSemanticEditPolicy {

	protected Command getReorientRelationshipCommand(ReorientRelationshipRequest req) {
		switch(getVisualID(req)) {
		case DependencyBranchEditPart.VISUAL_ID:
			return getGEFWrapper(new BranchDependenctReorientCommand(req));
		}
		return super.getReorientRelationshipCommand(req);
	}

	protected Command getStartCreateRelationshipCommand(CreateRelationshipRequest req) {
		if(UMLElementTypes.InstanceSpecification_4021 == req.getElementType()) {
			return getGEFWrapper(new CInstanceSpecificationLinkCreateCommand(req, req.getSource(), req.getTarget()));
		}
		return super.getStartCreateRelationshipCommand(req);
	}

	@Override
	protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
		// TODO Auto-generated method stub
		if(UMLElementTypes.InstanceSpecification_4021 == req.getElementType()) {
			return getGEFWrapper(new CInstanceSpecificationLinkCreateCommand(req, req.getSource(), req.getTarget()));
		}
		return super.getCompleteCreateRelationshipCommand(req);
	}
}