/*******************************************************************************
 * Copyright (c) 2010-2015 Henshin developers. 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:
 *     TU Berlin, University of Luxembourg, SES S.A.
 *******************************************************************************/
package de.tub.tfs.henshin.tggeditor.editpolicies.graphical;

import org.eclipse.draw2d.ChopboxAnchor;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Connection;
import org.eclipse.draw2d.ConnectionAnchor;
import org.eclipse.draw2d.PolylineConnection;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.henshin.model.Edge;
import org.eclipse.emf.henshin.model.Mapping;
import org.eclipse.emf.henshin.model.NestedCondition;
import org.eclipse.emf.henshin.model.Node;
import org.eclipse.emf.henshin.model.Rule;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.editpolicies.GraphicalNodeEditPolicy;
import org.eclipse.gef.requests.AlignmentRequest;
import org.eclipse.gef.requests.CreateConnectionRequest;
import org.eclipse.gef.requests.ReconnectRequest;

import de.tub.tfs.henshin.tgg.TNode;
import de.tub.tfs.henshin.tgg.interpreter.impl.NodeTypes;
import de.tub.tfs.henshin.tgg.interpreter.util.RuleUtil;
import de.tub.tfs.henshin.tggeditor.commands.create.CreateEdgeCommand;
import de.tub.tfs.henshin.tggeditor.commands.create.rule.CreateNodeMappingCommand;
import de.tub.tfs.henshin.tggeditor.commands.create.rule.CreateRuleEdgeCommand;
import de.tub.tfs.henshin.tggeditor.commands.move.MoveNodeObjectCommand;
import de.tub.tfs.henshin.tggeditor.commands.move.ReconnectedEdgeCommand;
import de.tub.tfs.henshin.tggeditor.editparts.graphical.TNodeObjectEditPart;
import de.tub.tfs.henshin.tggeditor.editparts.rule.RuleNodeEditPart;


/**
 * The Class NodeGraphicalEditPartPolicy.
 */
public class AttributeGraphicalEditPolicy extends GraphicalNodeEditPolicy
		implements EditPolicy {
	
	/*
	 * (non-Javadoc)
	 * 
	 * @seeorg.eclipse.gef.editpolicies.GraphicalNodeEditPolicy#
	 * getConnectionCompleteCommand
	 * (org.eclipse.gef.requests.CreateConnectionRequest)
	 */
	@Override
	protected Command getConnectionCompleteCommand(
			CreateConnectionRequest request) {

		return null;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @seeorg.eclipse.gef.editpolicies.GraphicalNodeEditPolicy#
	 * getConnectionCreateCommand
	 * (org.eclipse.gef.requests.CreateConnectionRequest)
	 */
	@Override
	protected Command getConnectionCreateCommand(CreateConnectionRequest request) {
	
			
		return null;
	}

		/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.gef.editpolicies.GraphicalNodeEditPolicy#getCommand(org.eclipse
	 * .gef.Request)
	 */
	@Override
	public Command getCommand(Request request) {
		if (REQ_ALIGN.equals(request.getType())) {
			AlignmentRequest a_request = (AlignmentRequest) request;
			return getAligmentCommand(a_request);
		}
		return super.getCommand(request);
	}

	/**
	 * @param a_request
	 */
	protected Command getAligmentCommand(AlignmentRequest a_request) {
		
		return new Command() {};
	}

	@Override
	protected Command getReconnectTargetCommand(ReconnectRequest request) {
		return null;
	}

	@Override
	protected Command getReconnectSourceCommand(ReconnectRequest request) {
		return null;
	}

}