org.jfree.chart.plot.dial

Class DialPointer

java.lang.Object

org.jfree.chart.plot.dial.AbstractDialLayer

org.jfree.chart.plot.dial.DialPointer

All Implemented Interfaces:

Serializable, Cloneable, DialLayer, org.jfree.util.PublicCloneable

Direct Known Subclasses:

DialPointer.Pin, DialPointer.Pointer

public abstract class DialPointer
extends AbstractDialLayer
implements DialLayer, Cloneable, org.jfree.util.PublicCloneable, Serializable

A base class for the pointer in a DialPlot.

Since:

1.0.7

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DialPointer.Pin A dial pointer that draws a thin line (like a pin).
static class	DialPointer.Pointer A dial pointer.

Method Summary

Modifier and Type	Method and Description
Object	clone() Returns a clone of the pointer.
boolean	equals(Object obj) Checks this instance for equality with an arbitrary object.
int	getDatasetIndex() Returns the dataset index that the pointer maps to.
double	getRadius() Returns the radius of the pointer, as a percentage of the dial's framing rectangle.
int	hashCode() Returns a hash code.
boolean	isClippedToWindow() Returns true to indicate that this layer should be clipped within the dial window.
void	setDatasetIndex(int index) Sets the dataset index for the pointer and sends a DialLayerChangeEvent to all registered listeners.
void	setRadius(double radius) Sets the radius of the pointer and sends a DialLayerChangeEvent to all registered listeners.

Methods inherited from class org.jfree.chart.plot.dial.AbstractDialLayer

addChangeListener, hasListener, isVisible, removeChangeListener, setVisible

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jfree.chart.plot.dial.DialLayer

addChangeListener, draw, hasListener, isVisible, removeChangeListener

Method Detail

getDatasetIndex

public int getDatasetIndex()

Returns the dataset index that the pointer maps to.

Returns:

The dataset index.

See Also:

getDatasetIndex()

setDatasetIndex

public void setDatasetIndex(int index)

Sets the dataset index for the pointer and sends a DialLayerChangeEvent to all registered listeners.

Parameters:

index - the index.

See Also:

getDatasetIndex()

getRadius

public double getRadius()

Returns the radius of the pointer, as a percentage of the dial's framing rectangle.

Returns:

The radius.

See Also:

setRadius(double)

setRadius

public void setRadius(double radius)

Sets the radius of the pointer and sends a DialLayerChangeEvent to all registered listeners.

Parameters:

radius - the radius.

See Also:

getRadius()

isClippedToWindow

public boolean isClippedToWindow()

Returns true to indicate that this layer should be clipped within the dial window.

Specified by:

isClippedToWindow in interface DialLayer

Returns:

true.

equals

public boolean equals(Object obj)

Checks this instance for equality with an arbitrary object.

Overrides:

equals in class AbstractDialLayer

Parameters:

obj - the object (null not permitted).

Returns:

A boolean.

hashCode

public int hashCode()

Returns a hash code.

Overrides:

hashCode in class AbstractDialLayer

Returns:

A hash code.

clone

public Object clone()
             throws CloneNotSupportedException

Returns a clone of the pointer.

Specified by:

clone in interface org.jfree.util.PublicCloneable

Overrides:

clone in class AbstractDialLayer

Returns:

a clone.

Throws:

CloneNotSupportedException - if one of the attributes cannot be cloned.