1 /* ================================================================
2 * Cewolf : Chart enabling Web Objects Framework
3 * ================================================================
5 * Project Info: http://cewolf.sourceforge.net
6 * Project Lead: Guido Laures (guido@laures.de);
8 * (C) Copyright 2002, by Guido Laures
10 * This library is free software; you can redistribute it and/or modify it under the terms
11 * of the GNU Lesser General Public License as published by the Free Software Foundation;
12 * either version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16 * See the GNU Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License along with this
19 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20 * Boston, MA 02111-1307, USA.
23 package de.laures.cewolf.tooltips;
25 import org.jfree.data.general.PieDataset;
30 public interface PieToolTipGenerator extends ToolTipGenerator {
33 * Generates a tool tip text item for a particular category in the dataset.
35 * @param data the dataset.
36 * @param key the item key.
37 * @param pieIndex the pie index (differentiates between pies in a 'multi' pie chart).
39 * @return The tool tip text.
41 String generateToolTip(PieDataset data, Comparable key, int pieIndex);