Module platform

Package org.jfree.chart.labels

Class StandardPieToolTipGenerator

java.lang.Object

org.jfree.chart.labels.AbstractPieItemLabelGenerator

org.jfree.chart.labels.StandardPieToolTipGenerator

All Implemented Interfaces:

Serializable, Cloneable, PieToolTipGenerator, PublicCloneable

public class StandardPieToolTipGenerator
extends AbstractPieItemLabelGenerator
implements PieToolTipGenerator, Cloneable, PublicCloneable, Serializable

A standard item label generator for plots that use data from a PieDataset.

For the label format, use {0} where the pie section key should be inserted, {1} for the absolute section value and {2} for the percent amount of the pie section, e.g. "{0} = {1} ({2})" will display as apple = 120 (5%).

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_TOOLTIP_FORMAT	The default tooltip format.

Constructor Summary

Constructors

Constructor	Description
StandardPieToolTipGenerator()	Creates an item label generator using default number formatters.
StandardPieToolTipGenerator(String labelFormat)	Creates a pie tool tip generator for the default locale.
StandardPieToolTipGenerator(String labelFormat, NumberFormat numberFormat, NumberFormat percentFormat)	Creates an item label generator using the specified number formatters.
StandardPieToolTipGenerator(String labelFormat, Locale locale)	Creates a pie tool tip generator for the specified locale.
StandardPieToolTipGenerator(Locale locale)	Creates a pie tool tip generator for the specified locale, using the default format string.

Method Summary

Modifier and Type	Method	Description
Object	clone()	Returns an independent copy of the generator.
String	generateToolTip(PieDataset dataset, Comparable key)	Generates a tool tip text item for one section in a pie chart.

Methods inherited from class org.jfree.chart.labels.AbstractPieItemLabelGenerator

createItemArray, equals, generateSectionLabel, getLabelFormat, getNumberFormat, getPercentFormat, hashCode

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Details

DEFAULT_TOOLTIP_FORMAT

public static final String DEFAULT_TOOLTIP_FORMAT

The default tooltip format.

See Also:

• Constant Field Values

Constructor Details

StandardPieToolTipGenerator

public StandardPieToolTipGenerator()

Creates an item label generator using default number formatters.

StandardPieToolTipGenerator

public StandardPieToolTipGenerator(Locale locale)

Creates a pie tool tip generator for the specified locale, using the default format string.

Parameters:

locale - the locale (null not permitted).

StandardPieToolTipGenerator

public StandardPieToolTipGenerator(String labelFormat)

Creates a pie tool tip generator for the default locale.

Parameters:

labelFormat - the label format (null not permitted).

StandardPieToolTipGenerator

public StandardPieToolTipGenerator(String labelFormat,
 Locale locale)

Creates a pie tool tip generator for the specified locale.

Parameters:

labelFormat - the label format (null not permitted).

locale - the locale (null not permitted).

StandardPieToolTipGenerator

public StandardPieToolTipGenerator(String labelFormat,
 NumberFormat numberFormat,
 NumberFormat percentFormat)

Creates an item label generator using the specified number formatters.

Parameters:

labelFormat - the label format string (null not permitted).

numberFormat - the format object for the values (null not permitted).

percentFormat - the format object for the percentages (null not permitted).

Method Details

generateToolTip

public String generateToolTip(PieDataset dataset,
 Comparable key)

Generates a tool tip text item for one section in a pie chart.

Specified by:

generateToolTip in interface PieToolTipGenerator

Parameters:

dataset - the dataset (null not permitted).

key - the section key (null not permitted).

Returns:

The tool tip text (possibly null).

clone

public Object clone()
             throws CloneNotSupportedException

Returns an independent copy of the generator.

Specified by:

clone in interface PublicCloneable

Overrides:

clone in class AbstractPieItemLabelGenerator

Returns:

A clone.

Throws:

CloneNotSupportedException - should not happen.