/*****************************************************************************
 * 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;

import java.util.Collections;
import java.util.List;

import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.editpolicies.NonResizableEditPolicy;
import org.eclipse.gef.handles.MoveHandle;
import org.eclipse.gef.requests.CreateRequest;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.BorderItemSelectionEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.LayoutEditPolicy;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.ShapeNamedElementNameEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.part.UMLVisualIDRegistry;

/**
 * this the layout used to replace layout in the generated code
 * 
 */

public class ShapeNamedElementLayoutEditPolicy extends LayoutEditPolicy {

	/**
	 * 
	 * @see org.eclipse.gef.editpolicies.LayoutEditPolicy#createChildEditPolicy(org.eclipse.gef.EditPart)
	 * 
	 */
	protected EditPolicy createChildEditPolicy(EditPart child) {
		View childView = (View)child.getModel();
		switch(UMLVisualIDRegistry.getVisualID(childView)) {
		case ShapeNamedElementNameEditPart.VISUAL_ID:
			return new BorderItemSelectionEditPolicy() {

				protected List<MoveHandle> createSelectionHandles() {
					MoveHandle mh = new MoveHandle((GraphicalEditPart)getHost());
					mh.setBorder(null);
					return Collections.singletonList(mh);
				}
			};
		}
		EditPolicy result = child.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
		if(result == null) {
			result = new NonResizableEditPolicy();
		}
		return result;
	}

	/**
	 * 
	 * @see org.eclipse.gef.editpolicies.LayoutEditPolicy#getMoveChildrenCommand(org.eclipse.gef.Request)
	 * 
	 */
	protected Command getMoveChildrenCommand(Request request) {
		return null;
	}

	/**
	 * 
	 * @see org.eclipse.gef.editpolicies.LayoutEditPolicy#getCreateCommand(org.eclipse.gef.requests.CreateRequest)
	 * 
	 */
	protected Command getCreateCommand(CreateRequest request) {
		return null;
	}


}