//------------------------------------------------------------------------------
// Copyright (c) 2005, 2007 IBM Corporation and others.
// 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:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
/**
 * 
 */
package org.eclipse.epf.diagramming.base.policies;

import java.util.Iterator;

import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.diagram.ui.commands.CreateCommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.notation.View;

/**
 * CreationEditPolicy for ActivityPartition
 * @author Shashidhar Kannoori
 *
 */
public class ActivityPartitionCreationEditPolicy extends CreationEditPolicy {
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy#getCreateCommand(org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest)
	 * @modified
	 */
	protected Command getCreateCommand(CreateViewRequest request) {
		TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost())
				.getEditingDomain();
		CompositeTransactionalCommand cc = new CompositeTransactionalCommand(
				editingDomain, DiagramUIMessages.AddCommand_Label);

		Iterator descriptors = request.getViewDescriptors().iterator();

		while (descriptors.hasNext()) {
			CreateViewRequest.ViewDescriptor descriptor = (CreateViewRequest.ViewDescriptor) descriptors
					.next();
			View containerView = (View) getHost().getModel();
//			while(containerView.getElement() instanceof ActivityPartition){
//				containerView = (View)containerView.eContainer();
//			}
			CreateCommand createCommand = new CreateCommand(editingDomain,
					descriptor, containerView);

			cc.compose(createCommand);
		}
	return new ICommandProxy(cc.reduce());
	}
}