001/* ======================================================
002 * Orson : a free chart beans library based on JFreeChart
003 * ======================================================
004 *
005 * (C) Copyright 2007, by Object Refinery Limited.
006 *
007 * Project Info:  not-yet-released
008 *
009 * This library is free software; you can redistribute it and/or modify it 
010 * under the terms of the GNU Lesser General Public License as published by 
011 * the Free Software Foundation; either version 2.1 of the License, or 
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but 
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
022 * USA.  
023 *
024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
025 * in the United States and other countries.]
026 */
027
028package org.jfree.beans.events;
029
030import java.util.EventListener;
031
032import org.jfree.beans.AbstractXYChart;
033
034/**
035 * A listener for item clicks on a {@link AbstractXYChart}.
036 */
037public interface XYItemClickListener extends EventListener {
038
039    /**
040     * Called when the user clicks on an item within a category chart.
041     * 
042     * @param event  the event.
043     */
044    public void onXYItemClick(XYItemClickEvent event);
045    
046}