org.jfree.chart.plot
Class Crosshair

java.lang.Object
  org.jfree.chart.plot.Crosshair

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, org.jfree.util.PublicCloneable

public class Crosshair
extends java.lang.Object
implements java.lang.Cloneable, org.jfree.util.PublicCloneable, java.io.Serializable

A crosshair for display on a plot.

Since:

1.0.13

See Also:

Serialized Form

Constructor Summary

Crosshair()
Creates a new crosshair with value 0.0.

Crosshair(double value)
Creates a new crosshair with the specified value.

Crosshair(double value, java.awt.Paint paint, java.awt.Stroke stroke)
Creates a new crosshair value with the specified value and line style.

Method Summary

void	addPropertyChangeListener(java.beans.PropertyChangeListener l) Adds a property change listener.
java.lang.Object	clone() Returns an independent copy of this instance.
boolean	equals(java.lang.Object obj) Tests this crosshair for equality with an arbitrary object.
org.jfree.ui.RectangleAnchor	getLabelAnchor() Returns the label anchor point.
java.awt.Paint	getLabelBackgroundPaint() Returns the label background paint.
java.awt.Font	getLabelFont() Returns the label font.
CrosshairLabelGenerator	getLabelGenerator() Returns the crosshair label generator.
java.awt.Paint	getLabelOutlinePaint() Returns the label outline paint.
java.awt.Stroke	getLabelOutlineStroke() Returns the label outline stroke.
java.awt.Paint	getLabelPaint() Returns the label paint.
double	getLabelXOffset() Returns the x-offset for the label (in Java2D units).
double	getLabelYOffset() Returns the y-offset for the label (in Java2D units).
java.awt.Paint	getPaint() Returns the paint for the crosshair line.
java.awt.Stroke	getStroke() Returns the stroke for the crosshair line.
double	getValue() Returns the crosshair value.
int	hashCode() Returns a hash code for this instance.
boolean	isLabelOutlineVisible() Returns the flag that controls the visibility of the label outline.
boolean	isLabelVisible() Returns the flag that controls whether or not a label is drawn for this crosshair.
boolean	isVisible() Returns the flag that indicates whether or not the crosshair is currently visible.
void	removePropertyChangeListener(java.beans.PropertyChangeListener l) Removes a property change listener.
void	setLabelAnchor(org.jfree.ui.RectangleAnchor anchor) Sets the label anchor point and sends a property change event (with the name 'labelAnchor') to all registered listeners.
void	setLabelBackgroundPaint(java.awt.Paint paint) Sets the label background paint and sends a property change event with the name 'labelBackgroundPaint') to all registered listeners.
void	setLabelFont(java.awt.Font font) Sets the label font and sends a property change event (with the name 'labelFont') to all registered listeners.
void	setLabelGenerator(CrosshairLabelGenerator generator) Sets the crosshair label generator and sends a property change event (with the name 'labelGenerator') to all registered listeners.
void	setLabelOutlinePaint(java.awt.Paint paint) Sets the label outline paint and sends a property change event (with the name "labelOutlinePaint") to all registered listeners.
void	setLabelOutlineStroke(java.awt.Stroke stroke) Sets the label outline stroke and sends a property change event (with the name 'labelOutlineStroke') to all registered listeners.
void	setLabelOutlineVisible(boolean visible) Sets the flag that controls the visibility of the label outlines and sends a property change event (with the name "labelOutlineVisible") to all registered listeners.
void	setLabelPaint(java.awt.Paint paint) Sets the label paint and sends a property change event (with the name 'labelPaint') to all registered listeners.
void	setLabelVisible(boolean visible) Sets the flag that controls whether or not a label is drawn for the crosshair and sends a property change event (with the name 'labelVisible') to all registered listeners.
void	setLabelXOffset(double offset) Sets the x-offset and sends a property change event (with the name 'labelXOffset') to all registered listeners.
void	setLabelYOffset(double offset) Sets the y-offset and sends a property change event (with the name 'labelYOffset') to all registered listeners.
void	setPaint(java.awt.Paint paint) Sets the paint for the crosshair line and sends a property change event with the name "paint" to all registered listeners.
void	setStroke(java.awt.Stroke stroke) Sets the stroke for the crosshair line and sends a property change event with the name "stroke" to all registered listeners.
void	setValue(double value) Sets the crosshair value and sends a property change event with the name 'value' to all registered listeners.
void	setVisible(boolean visible) Sets the flag that controls the visibility of the crosshair and sends a proerty change event (with the name 'visible') to all registered listeners.

Methods inherited from class java.lang.Object

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

Constructor Detail

Crosshair

public Crosshair()

Creates a new crosshair with value 0.0.

Crosshair

public Crosshair(double value)

Creates a new crosshair with the specified value.

Parameters:

value - the value.

Crosshair

public Crosshair(double value,
                 java.awt.Paint paint,
                 java.awt.Stroke stroke)

Creates a new crosshair value with the specified value and line style.

Parameters:

value - the value.

paint - the line paint (null not permitted).

stroke - the line stroke (null not permitted).

Method Detail

isVisible

public boolean isVisible()

Returns the flag that indicates whether or not the crosshair is currently visible.

Returns:

A boolean.

setVisible

public void setVisible(boolean visible)

Sets the flag that controls the visibility of the crosshair and sends a proerty change event (with the name 'visible') to all registered listeners.

Parameters:

visible - the new flag value.

getValue

public double getValue()

Returns the crosshair value.

Returns:

The crosshair value.

setValue

public void setValue(double value)

Sets the crosshair value and sends a property change event with the name 'value' to all registered listeners.

Parameters:

value - the value.

getPaint

public java.awt.Paint getPaint()

Returns the paint for the crosshair line.

Returns:

The paint (never null).

setPaint

public void setPaint(java.awt.Paint paint)

Sets the paint for the crosshair line and sends a property change event with the name "paint" to all registered listeners.

Parameters:

paint - the paint (null not permitted).

getStroke

public java.awt.Stroke getStroke()

Returns the stroke for the crosshair line.

Returns:

The stroke (never null).

setStroke

public void setStroke(java.awt.Stroke stroke)

Sets the stroke for the crosshair line and sends a property change event with the name "stroke" to all registered listeners.

Parameters:

stroke - the stroke (null not permitted).

isLabelVisible

public boolean isLabelVisible()

Returns the flag that controls whether or not a label is drawn for this crosshair.

Returns:

A boolean.

setLabelVisible

public void setLabelVisible(boolean visible)

Sets the flag that controls whether or not a label is drawn for the crosshair and sends a property change event (with the name 'labelVisible') to all registered listeners.

Parameters:

visible - the new flag value.

getLabelGenerator

public CrosshairLabelGenerator getLabelGenerator()

Returns the crosshair label generator.

Returns:

The label crosshair generator (never null).

setLabelGenerator

public void setLabelGenerator(CrosshairLabelGenerator generator)

Sets the crosshair label generator and sends a property change event (with the name 'labelGenerator') to all registered listeners.

Parameters:

generator - the new generator (null not permitted).

getLabelAnchor

public org.jfree.ui.RectangleAnchor getLabelAnchor()

Returns the label anchor point.

Returns:

the label anchor point (never null.

setLabelAnchor

public void setLabelAnchor(org.jfree.ui.RectangleAnchor anchor)

Sets the label anchor point and sends a property change event (with the name 'labelAnchor') to all registered listeners.

Parameters:

anchor - the anchor (null not permitted).

getLabelXOffset

public double getLabelXOffset()

Returns the x-offset for the label (in Java2D units).

Returns:

The x-offset.

setLabelXOffset

public void setLabelXOffset(double offset)

Sets the x-offset and sends a property change event (with the name 'labelXOffset') to all registered listeners.

Parameters:

offset - the new offset.

getLabelYOffset

public double getLabelYOffset()

Returns the y-offset for the label (in Java2D units).

Returns:

The y-offset.

setLabelYOffset

public void setLabelYOffset(double offset)

Sets the y-offset and sends a property change event (with the name 'labelYOffset') to all registered listeners.

Parameters:

offset - the new offset.

getLabelFont

public java.awt.Font getLabelFont()

Returns the label font.

Returns:

The label font (never null).

setLabelFont

public void setLabelFont(java.awt.Font font)

Sets the label font and sends a property change event (with the name 'labelFont') to all registered listeners.

Parameters:

font - the font (null not permitted).

getLabelPaint

public java.awt.Paint getLabelPaint()

Returns the label paint.

Returns:

The label paint (never null).

setLabelPaint

public void setLabelPaint(java.awt.Paint paint)

Sets the label paint and sends a property change event (with the name 'labelPaint') to all registered listeners.

Parameters:

paint - the paint (null not permitted).

getLabelBackgroundPaint

public java.awt.Paint getLabelBackgroundPaint()

Returns the label background paint.

Returns:

The label background paint (possibly null).

setLabelBackgroundPaint

public void setLabelBackgroundPaint(java.awt.Paint paint)

Sets the label background paint and sends a property change event with the name 'labelBackgroundPaint') to all registered listeners.

Parameters:

paint - the paint (null permitted).

isLabelOutlineVisible

public boolean isLabelOutlineVisible()

Returns the flag that controls the visibility of the label outline.

Returns:

A boolean.

setLabelOutlineVisible

public void setLabelOutlineVisible(boolean visible)

Sets the flag that controls the visibility of the label outlines and sends a property change event (with the name "labelOutlineVisible") to all registered listeners.

Parameters:

visible - the new flag value.

getLabelOutlinePaint

public java.awt.Paint getLabelOutlinePaint()

Returns the label outline paint.

Returns:

The label outline paint (never null).

setLabelOutlinePaint

public void setLabelOutlinePaint(java.awt.Paint paint)

Sets the label outline paint and sends a property change event (with the name "labelOutlinePaint") to all registered listeners.

Parameters:

paint - the paint (null not permitted).

getLabelOutlineStroke

public java.awt.Stroke getLabelOutlineStroke()

Returns the label outline stroke.

Returns:

The label outline stroke (never null).

setLabelOutlineStroke

public void setLabelOutlineStroke(java.awt.Stroke stroke)

Sets the label outline stroke and sends a property change event (with the name 'labelOutlineStroke') to all registered listeners.

Parameters:

stroke - the stroke (null not permitted).

equals

public boolean equals(java.lang.Object obj)

Tests this crosshair for equality with an arbitrary object.

Overrides:

equals in class java.lang.Object

Parameters:

obj - the object (null permitted).

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.

clone

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

Returns an independent copy of this instance.

Specified by:

clone in interface org.jfree.util.PublicCloneable

Overrides:

clone in class java.lang.Object

Returns:

An independent copy of this instance.

Throws:

java.lang.CloneNotSupportedException

addPropertyChangeListener

public void addPropertyChangeListener(java.beans.PropertyChangeListener l)

Adds a property change listener.

Parameters:

l - the listener.

removePropertyChangeListener

public void removePropertyChangeListener(java.beans.PropertyChangeListener l)

Removes a property change listener.

Parameters:

l - the listener.