001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
006 *
007 * Project Info: http://www.jfree.org/jfreechart/index.html
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 * --------------------
028 * AxisChangeEvent.java
029 * --------------------
030 * (C) Copyright 2000-2008, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * Changes (from 24-Aug-2001)
036 * --------------------------
037 * 24-Aug-2001 : Added standard source header. Fixed DOS encoding problem (DG);
038 * 07-Nov-2001 : Updated header (DG);
039 * 14-Oct-2002 : Now extends EventListener (DG);
040 *
041 */
042
043 package org.jfree.chart.event;
044
045 import java.util.EventListener;
046
047 /**
048 * The interface that must be supported by classes that wish to receive
049 * notification of changes to an axis.
050 * <P>
051 * The Plot class implements this interface, and automatically registers with
052 * its axes (if any). Any axis changes are passed on by the plot as a plot
053 * change event. This is part of the notification mechanism that ensures that
054 * charts are redrawn whenever changes are made to any chart component.
055 *
056 */
057 public interface AxisChangeListener extends EventListener {
058
059 /**
060 * Receives notification of an axis change event.
061 *
062 * @param event the event.
063 */
064 public void axisChanged(AxisChangeEvent event);
065
066 }