/*******************************************************************************
 * Copyright (c) 2007, 2013 Association for Decentralized Information Management
 * in Industry THTH ry.
 * 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
 *     Semantum Oy - issue #4262
 *******************************************************************************/
package org.simantics.charts.ui;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.simantics.Simantics;
import org.simantics.charts.Activator;
import org.simantics.charts.ontology.ChartResource;
import org.simantics.databoard.Bindings;
import org.simantics.db.Resource;
import org.simantics.db.WriteGraph;
import org.simantics.db.common.request.WriteResultRequest;
import org.simantics.db.common.utils.NameUtils;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.layer0.adapter.ActionFactory;
import org.simantics.layer0.Layer0;

/**
 * @author Tuukka Lehtonen
 */
public class NewChartGroup implements ActionFactory {

    @Override
    public Runnable create(Object target) {
        if(!(target instanceof Resource))
            return null;
        final Resource parent = (Resource)target;

        return new Runnable() {
            @Override
            public void run() {
                try {
                    createChartGroup(parent);
                } catch (DatabaseException e) {
                    Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to create chart group.", e));
                }
            }
        };
    }

    public static Resource createChartGroup (final Resource target) throws DatabaseException {

        return Simantics.getSession().syncRequest(new WriteResultRequest<Resource>() {
            @Override
            public Resource perform(WriteGraph g) throws DatabaseException {
                g.markUndoPoint();
                Layer0 l0 = Layer0.getInstance(g);
                ChartResource wr = ChartResource.getInstance(g);
                String freshName = NameUtils.findFreshName(g, "Chart Group", target);
                Resource chart = g.newResource();
                g.claim(chart, l0.InstanceOf, null, wr.ChartGroup);
                g.claimLiteral(chart, l0.HasName, freshName, Bindings.STRING);
                g.claim(chart, l0.PartOf, target);
                return chart;
            }
        });

    }

}