001/* ===========================================================
002 * Orson Charts : a 3D chart library for the Java(tm) platform
003 * ===========================================================
004 * 
005 * (C)opyright 2013-2022, by David Gilbert.  All rights reserved.
006 * 
007 * https://github.com/jfree/orson-charts
008 * 
009 * This program is free software: you can redistribute it and/or modify
010 * it under the terms of the GNU General Public License as published by
011 * the Free Software Foundation, either version 3 of the License, or
012 * (at your option) any later version.
013 *
014 * This program is distributed in the hope that it will be useful,
015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
017 * GNU General Public License for more details.
018 *
019 * You should have received a copy of the GNU General Public License
020 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
021 * 
022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
023 * Other names may be trademarks of their respective owners.]
024 * 
025 * If you do not wish to be bound by the terms of the GPL, an alternative
026 * commercial license can be purchased.  For details, please see visit the
027 * Orson Charts home page:
028 * 
029 * http://www.object-refinery.com/orsoncharts/index.html
030 * 
031 */
032
033package org.jfree.chart3d.renderer;
034
035import java.util.EventListener;
036import org.jfree.chart3d.plot.CategoryPlot3D;
037import org.jfree.chart3d.plot.XYZPlot;
038
039/**
040 * An interface through which notification of changes to a {@link Renderer3D}
041 * can be received.  By default, a {@link CategoryPlot3D} or an {@link XYZPlot}
042 * will register as a listener on the renderer that it is using (if the
043 * renderer changes, the plot passes on a change event to the chart).
044 */
045public interface Renderer3DChangeListener extends EventListener {
046
047    /**
048     * Called to signal a change to a renderer.
049     * 
050     * @param event  information about the change.
051     */
052    void rendererChanged(Renderer3DChangeEvent event);
053    
054}