source: trunk/gli/src/org/greenstone/gatherer/gems/GEMSModel.java@ 8971

/**
 *#########################################################################
 *
 * A component of the Gatherer application, part of the Greenstone digital
 * library suite from the New Zealand Digital Library Project at the
 * University of Waikato, New Zealand.
 *
 * <BR><BR>
 *
 * Author: John Thompson, Greenstone Digital Library, University of Waikato
 *
 * <BR><BR>
 *
 * Copyright (C) 1999 New Zealand Digital Library Project
 *
 * <BR><BR>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * <BR><BR>
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * <BR><BR>
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *########################################################################
 */
package org.greenstone.gatherer.gems;

import javax.swing.tree.DefaultTreeModel;
import org.greenstone.gatherer.util.SynchronizedTreeModelTools;
/**
 * @author John Thompson, Greenstone Digital Library, University of Waikato
 * @version 2.3
 */
public class GEMSModel 
    extends DefaultTreeModel {

    public GEMSModel() {
    super(new GEMSNode());
    }

    public GEMSNode add(GEMSNode parent, Object object, int type) {
    if(parent == null) {
        parent = (GEMSNode) root;
    }

    GEMSNode new_node = new GEMSNode(type, object, null);
    SynchronizedTreeModelTools.insertNodeInto(this, parent, new_node);

    return new GEMSNode(type, object, parent);
    }

    public GEMSNode getProfileNode() {
    GEMSNode node = (GEMSNode) root;
    return (GEMSNode) node.getChildAt(node.getChildCount() - 1);
    }

    /**
       Remove a node from the tree.
       @param node the node to remove, as a <strong>GEMSNode</strong>
       @author Matthew Whyte
       @date last modified: 21/01/04
     */
    public void remove(GEMSNode node)
    {
    SynchronizedTreeModelTools.removeNodeFromParent(this, node);
    return;
    }
}