/*******************************************************************************
 * Copyright (c) 2007, 2011 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
 *******************************************************************************/
package org.simantics.modeling.ui.chart.property;

import org.simantics.browsing.ui.swt.widgets.impl.ModifyComboListenerImpl;
import org.simantics.db.Resource;
import org.simantics.db.WriteGraph;
import org.simantics.db.exception.DatabaseException;
import org.simantics.operation.Layer0X;

public class TemplateModifier extends ModifyComboListenerImpl<Resource, Resource> {

    @Override
    public void applySelection(WriteGraph graph, Resource monitor, Resource template) throws DatabaseException {

        Layer0X L0X = Layer0X.getInstance(graph);
        Resource exist = graph.getPossibleObject(monitor, L0X.ObtainsProperty);
        if(template.equals(exist)) return;

        graph.deny(monitor, L0X.ObtainsProperty);
        graph.claim(monitor, L0X.ObtainsProperty1, null, template);

    }

}