Module platform

Package org.jfree.chart.labels

Class HighLowItemLabelGenerator

java.lang.Object

org.jfree.chart.labels.HighLowItemLabelGenerator

All Implemented Interfaces:

Serializable, Cloneable, XYItemLabelGenerator, XYToolTipGenerator, PublicCloneable

public class HighLowItemLabelGenerator
extends Object
implements XYItemLabelGenerator, XYToolTipGenerator, Cloneable, PublicCloneable, Serializable

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

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
HighLowItemLabelGenerator()	Creates an item label generator using the default date and number formats.
HighLowItemLabelGenerator(DateFormat dateFormatter, NumberFormat numberFormatter)	Creates a tool tip generator using the supplied date formatter.

Method Summary

Modifier and Type	Method	Description
Object	clone()	Returns an independent copy of the generator.
boolean	equals(Object obj)	Tests if this object is equal to another.
String	generateLabel(XYDataset dataset, int series, int category)	Generates a label for the specified item.
String	generateToolTip(XYDataset dataset, int series, int item)	Generates a tooltip text item for a particular item within a series.
int	hashCode()	Returns a hash code for this instance.

Methods inherited from class java.lang.Object

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

Constructor Details

HighLowItemLabelGenerator

public HighLowItemLabelGenerator()

Creates an item label generator using the default date and number formats.

HighLowItemLabelGenerator

public HighLowItemLabelGenerator(DateFormat dateFormatter,
 NumberFormat numberFormatter)

Creates a tool tip generator using the supplied date formatter.

Parameters:

dateFormatter - the date formatter (null not permitted).

numberFormatter - the number formatter (null not permitted).

Method Details

generateToolTip

public String generateToolTip(XYDataset dataset,
 int series,
 int item)

Generates a tooltip text item for a particular item within a series.

Specified by:

generateToolTip in interface XYToolTipGenerator

Parameters:

dataset - the dataset.

series - the series (zero-based index).

item - the item (zero-based index).

Returns:

The tooltip text.

generateLabel

public 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).

clone

public Object clone()
             throws CloneNotSupportedException

Returns an independent copy of the generator.

Specified by:

clone in interface PublicCloneable

Overrides:

clone in class Object

Returns:

A clone.

Throws:

CloneNotSupportedException - if cloning is not supported.

equals

public boolean equals(Object obj)

Tests if this object is equal to another.

Overrides:

equals in class Object

Parameters:

obj - the other object.

Returns:

A boolean.

hashCode

public int hashCode()

Returns a hash code for this instance.

Overrides:

hashCode in class Object

Returns:

A hash code.