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.
generateToolTip
String generateToolTip(PieDataset dataset,
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
).
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