Source for org.jfree.chart.labels.ContourToolTipGenerator

   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
  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:  * ContourToolTipGenerator.java
  29:  * ----------------------------
  30:  * (C) Copyright 2002, 2003, by David M. O'Donnell and Contributors.
  31:  *
  32:  * Original Author:  David M. O'Donnell;
  33:  * Contributor(s):   David Gilbert (for Object Refinery Limited);
  34:  *
  35:  * $Id: ContourToolTipGenerator.java,v 1.2.2.1 2005/10/25 20:49:02 mungady Exp $
  36:  *
  37:  * Changes
  38:  * -------
  39:  * 23-Jan-2003 : Added standard header (DG);
  40:  *
  41:  */
  42: 
  43: package org.jfree.chart.labels;
  44: 
  45: import org.jfree.data.contour.ContourDataset;
  46: 
  47: /**
  48:  * Interface for a tooltip generator for plots that use data from a 
  49:  * {@link ContourDataset}.
  50:  *
  51:  * @author David M. O'Donnell
  52:  */
  53: public interface ContourToolTipGenerator {
  54: 
  55:     /**
  56:      * Generates a tooltip text item for a particular item within a series.
  57:      *
  58:      * @param dataset  the dataset.
  59:      * @param item  the item index (zero-based).
  60:      *
  61:      * @return The tooltip text.
  62:      */
  63:     public String generateToolTip(ContourDataset dataset, int item);
  64: 
  65: }