/*******************************************************************************
 * Copyright (c) 2007- VTT Technical Research Centre of Finland.
 * 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:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.proconf.g3d.shapeeditor.handlers;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;
import org.simantics.proconf.g3d.csg.stubs.CSGModel;

import org.simantics.proconf.ui.ProConfUI;
import org.simantics.proconf.ui.utils.ResourceAdaptionUtils;
import org.simantics.db.Graph;
import org.simantics.db.GraphRequestAdapter;
import org.simantics.db.GraphRequestStatus;
import org.simantics.db.Resource;
import org.simantics.layer0.stubs.Library;


public class NewCSGModelHandler extends AbstractHandler {

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		ISelection s = HandlerUtil.getCurrentSelectionChecked(event);
        IStructuredSelection ss = (IStructuredSelection) s;
        if (ss.size() != 1)
            return null;
        final Resource lib = ResourceAdaptionUtils.toSingleResource(ss);
		ProConfUI.getSession().asyncWrite(new GraphRequestAdapter() {
			@Override
			public GraphRequestStatus perform(Graph g) throws Exception {
				CSGModel model = CSGModel.createDefault(g);
				Library l = new Library(g, lib);
				l.addStatement(g.getBuiltins().ConsistsOf, model);
				
				return GraphRequestStatus.transactionComplete();
			}
		});
		
		
		return null;
	}

}