Package org.jfree.chart.labels

Class SymbolicXYItemLabelGenerator

java.lang.Object

org.jfree.chart.labels.SymbolicXYItemLabelGenerator

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, XYItemLabelGenerator, XYToolTipGenerator, PublicCloneable

public class SymbolicXYItemLabelGenerator
extends java.lang.Object
implements XYItemLabelGenerator, XYToolTipGenerator, java.lang.Cloneable, PublicCloneable, java.io.Serializable

A standard item label generator for plots that use data from an XYDataset.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private static long	serialVersionUID	For serialization.

Constructor Summary

Constructors

Constructor	Description
SymbolicXYItemLabelGenerator()

Method Summary

Modifier and Type	Method	Description
java.lang.Object	clone()	Returns an independent copy of the generator.
boolean	equals(java.lang.Object obj)	Tests if this object is equal to another.
java.lang.String	generateLabel(XYDataset dataset, int series, int category)	Generates a label for the specified item.
java.lang.String	generateToolTip(XYDataset data, int series, int item)	Generates a tool tip text item for a particular item within a series.
int	hashCode()	Returns a hash code for this instance.
private static double	round(double value, int nb)	Round a double value.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

For serialization.

See Also:

Constant Field Values

Constructor Detail

SymbolicXYItemLabelGenerator

public SymbolicXYItemLabelGenerator()

Method Detail

generateToolTip

public java.lang.String generateToolTip(XYDataset data,
                                        int series,
                                        int item)

Generates a tool tip text item for a particular item within a series.

Specified by:

generateToolTip in interface XYToolTipGenerator

Parameters:

data - the dataset.

series - the series number (zero-based index).

item - the item number (zero-based index).

Returns:

The tool tip text (possibly null).

generateLabel

public java.lang.String generateLabel(XYDataset dataset,
                                      int series,
                                      int category)

Generates a label for the specified item. The label is typically a formatted version of the data value, but any text can be used.

Specified by:

generateLabel in interface XYItemLabelGenerator

Parameters:

dataset - the dataset (null not permitted).

series - the series index (zero-based).

category - the category index (zero-based).

Returns:

The label (possibly null).

round

private static double round(double value,
                            int nb)

Round a double value.

Parameters:

value - the value.

nb - the exponent.

Returns:

The rounded value.

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Returns an independent copy of the generator.

Specified by:

clone in interface PublicCloneable

Overrides:

clone in class java.lang.Object

Returns:

A clone.

Throws:

java.lang.CloneNotSupportedException - if cloning is not supported.

equals

public boolean equals(java.lang.Object obj)

Tests if this object is equal to another.

Overrides:

equals in class java.lang.Object

Parameters:

obj - the other object.

Returns:

A boolean.

hashCode

public int hashCode()

Returns a hash code for this instance.

Overrides:

hashCode in class java.lang.Object

Returns:

A hash code.