diff -r 1612dbcec451 -r 639991d0808a java/cewolf-1.0/src/main/java/de/laures/cewolf/tooltips/PieToolTipGenerator.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/cewolf-1.0/src/main/java/de/laures/cewolf/tooltips/PieToolTipGenerator.java	Sat Feb 28 21:31:02 2009 +0100
@@ -0,0 +1,42 @@
+/* ================================================================
+ * Cewolf : Chart enabling Web Objects Framework
+ * ================================================================
+ *
+ * Project Info:  http://cewolf.sourceforge.net
+ * Project Lead:  Guido Laures (guido@laures.de);
+ *
+ * (C) Copyright 2002, by Guido Laures
+ *
+ * This library is free software; you can redistribute it and/or modify it under the terms
+ * of the GNU Lesser General Public License as published by the Free Software Foundation;
+ * either version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with this
+ * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+package de.laures.cewolf.tooltips;
+
+import org.jfree.data.general.PieDataset;
+
+/**
+ * @author glaures
+ */
+public interface PieToolTipGenerator extends ToolTipGenerator {
+
+	/**
+	 * Generates a tool tip text item for a particular category in the dataset.
+	 * 
+	 * @param data  the dataset.
+	 * @param key  the item key.
+	 * @param pieIndex  the pie index (differentiates between pies in a 'multi' pie chart).
+	 *
+	 * @return The tool tip text.
+	 */
+	String generateToolTip(PieDataset data, Comparable key, int pieIndex);
+}