1 /* =========================================================== 2 * JFreeChart : a free chart library for the Java(tm) platform 3 * =========================================================== 4 * 5 * (C) Copyright 2000-2005, 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 License 20 * along with this library; if not, write to the Free Software Foundation, 21 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 22 * 23 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 24 * in the United States and other countries.] 25 * 26 * ------------------------ 27 * XYZToolTipGenerator.java 28 * ------------------------ 29 * (C) Copyright 2003-2005, by Object Refinery Limited. 30 * 31 * Original Author: David Gilbert (for Object Refinery Limited); 32 * Contributor(s): -; 33 * 34 * $Id: XYZToolTipGenerator.java,v 1.2 2005/03/04 11:52:34 mungady Exp $ 35 * 36 * Changes 37 * ------- 38 * 03-Feb-2003 : Version 1 (DG); 39 * 25-Feb-2004 : Renamed XYZToolTipGenerator --> XYZItemLabelGenerator (DG); 40 * 11-May-2004 : Reverted to XYZToolTipGenerator (DG); 41 * 42 */ 43 44 package org.jfree.chart.labels; 45 46 import org.jfree.data.xy.XYZDataset; 47 48 /** 49 * Interface for a tooltip generator for plots that use data from an 50 * {@link XYZDataset}. 51 */ 52 public interface XYZToolTipGenerator extends XYToolTipGenerator { 53 54 /** 55 * Generates a tool tip text item for a particular item within a series. 56 * 57 * @param dataset the dataset (<code>null</code> not permitted). 58 * @param series the series index (zero-based). 59 * @param item the item index (zero-based). 60 * 61 * @return The tooltip text (possibly <code>null</code>). 62 */ 63 public String generateToolTip(XYZDataset dataset, int series, int item); 64 65 } 66