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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jfreechart/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * ----------------------- 28: * ChartMouseListener.java 29: * ----------------------- 30: * (C) Copyright 2002-2007, by Object Refinery Limited and Contributors. 31: * 32: * Original Author: David Gilbert (for Object Refinery Limited); 33: * Contributor(s): Alex Weber; 34: * 35: * Changes 36: * ------- 37: * 27-May-2002 : Version 1, incorporating code and ideas by Alex Weber (DG); 38: * 13-Jun-2002 : Added Javadocs (DG); 39: * 26-Sep-2002 : Fixed errors reported by Checkstyle (DG); 40: * 23-Nov-2005 : Now extends EventListener (DG); 41: * ------------- JFREECHART 1.0.x --------------------------------------------- 42: * 24-May-2007 : Updated API docs (DG); 43: * 44: */ 45: 46: package org.jfree.chart; 47: 48: import java.util.EventListener; 49: 50: /** 51: * The interface that must be implemented by classes that wish to receive 52: * {@link ChartMouseEvent} notifications from a {@link ChartPanel}. 53: * 54: * @see ChartPanel#addChartMouseListener(ChartMouseListener) 55: */ 56: public interface ChartMouseListener extends EventListener { 57: 58: /** 59: * Callback method for receiving notification of a mouse click on a chart. 60: * 61: * @param event information about the event. 62: */ 63: void chartMouseClicked(ChartMouseEvent event); 64: 65: /** 66: * Callback method for receiving notification of a mouse movement on a 67: * chart. 68: * 69: * @param event information about the event. 70: */ 71: void chartMouseMoved(ChartMouseEvent event); 72: 73: }