org.jfree.chart.labels
Interface PieToolTipGenerator

All Known Implementing Classes:

StandardPieToolTipGenerator

public interface PieToolTipGenerator

A tool tip generator that is used by the PiePlot class.

Method Summary

java.lang.String

generateToolTip(PieDataset dataset, java.lang.Comparable key) Generates a tool tip text item for the specified item in the dataset.

Method Detail

generateToolTip

java.lang.String generateToolTip(PieDataset dataset,
                                 java.lang.Comparable key)

Generates a tool tip text item for the specified item in the dataset. This method can return null to indicate that no tool tip should be displayed for an item.

Parameters:

dataset - the dataset (null not permitted).

key - the section key (null not permitted).

Returns:

The tool tip text (possibly null).