    001    /* ===========================================================
    002     * JFreeChart : a free chart library for the Java(tm) platform
    003     * ===========================================================
    004     *
    005     * (C) Copyright 2000-2005, 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     * ChartMouseListener.java
    029     * -----------------------
    030     * (C) Copyright 2002-2005, by Object Refinery Limited and Contributors.
    031     *
    032     * Original Author:  David Gilbert (for Object Refinery Limited);
    033     * Contributor(s):   Alex Weber;
    034     *
    035     * $Id: ChartMouseListener.java,v 1.2.2.2 2005/11/25 14:11:00 mungady Exp $
    036     *
    037     * Changes
    038     * -------
    039     * 27-May-2002 : Version 1, incorporating code and ideas by Alex Weber (DG);
    040     * 13-Jun-2002 : Added Javadocs (DG);
    041     * 26-Sep-2002 : Fixed errors reported by Checkstyle (DG);
    042     * 23-Nov-2005 : Now extends EventListener (DG);
    043     *
    044     */
    045
    046    package org.jfree.chart;
    047
    048    import java.util.EventListener;
    049
    050    /**
    051     * The interface that must be implemented by classes that wish to receive
    052     * {@link ChartMouseEvent} notifications from a {@link ChartPanel}.
    053     */
    054    public interface ChartMouseListener extends EventListener {
    055
    056        /**
    057         * Callback method for receiving notification of a mouse click on a chart.
    058         *
    059         * @param event  information about the event.
    060         */
    061        void chartMouseClicked(ChartMouseEvent event);
    062
    063        /**
    064         * Callback method for receiving notification of a mouse movement on a
    065         * chart.
    066         *
    067         * @param event  information about the event.
    068         */
    069        void chartMouseMoved(ChartMouseEvent event);
    070
    071    }