/*
 This file is part of the BlueJ program. 
 Copyright (C) 1999-2009  Michael Kolling and John Rosenberg 
 
 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. 
 
 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. 
 
 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. 
 
 This file is subject to the Classpath exception as provided in the  
 LICENSE.txt file that accompanied this code.
 */
package bluej.graph;

/**
 * An interfacing for receiving events from a Graph.
 * 
 * @author davmac
 * @version $Id: GraphListener.java 6215 2009-03-30 13:28:25Z polle $
 */
public interface GraphListener
{
    /**
     * A vertex was removed from the graph.
     */
    public void selectableElementRemoved(SelectableGraphElement element);
    
    /**
     * General notification that the graph has changed.
     */
    public void graphChanged();
}
