Module java.desktop

Package javax.swing.colorchooser

Class DefaultColorSelectionModel

java.lang.Object

javax.swing.colorchooser.DefaultColorSelectionModel

All Implemented Interfaces:

Serializable, ColorSelectionModel

public class DefaultColorSelectionModel
extends Object
implements ColorSelectionModel, Serializable

A generic implementation of ColorSelectionModel.

See Also:

Color, Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected ChangeEvent	changeEvent	Only one ChangeEvent is needed per model instance since the event's only (read-only) state is the source property.
protected EventListenerList	listenerList	The listener list.

Constructor Summary

Constructors

Constructor	Description
DefaultColorSelectionModel()	Creates a DefaultColorSelectionModel with the current color set to Color.white.
DefaultColorSelectionModel(Color color)	Creates a DefaultColorSelectionModel with the current color set to color, which should be non-null.

Method Summary

Modifier and Type	Method	Description
void	addChangeListener(ChangeListener l)	Adds a ChangeListener to the model.
protected void	fireStateChanged()	Runs each ChangeListener's stateChanged method.
ChangeListener[]	getChangeListeners()	Returns an array of all the ChangeListeners added to this DefaultColorSelectionModel with addChangeListener.
Color	getSelectedColor()	Returns the selected Color which should be non-null.
void	removeChangeListener(ChangeListener l)	Removes a ChangeListener from the model.
void	setSelectedColor(Color color)	Sets the selected color to color.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

changeEvent

protected transient ChangeEvent changeEvent

Only one ChangeEvent is needed per model instance since the event's only (read-only) state is the source property. The source of events generated here is always "this".

listenerList

protected EventListenerList listenerList

The listener list.

Constructor Detail

DefaultColorSelectionModel

public DefaultColorSelectionModel()

Creates a DefaultColorSelectionModel with the current color set to Color.white. This is the default constructor.

DefaultColorSelectionModel

public DefaultColorSelectionModel(Color color)

Creates a DefaultColorSelectionModel with the current color set to color, which should be non-null. Note that setting the color to null is undefined and may have unpredictable results.

Parameters:

color - the new Color

Method Detail

getSelectedColor

public Color getSelectedColor()

Returns the selected Color which should be non-null.

Specified by:

getSelectedColor in interface ColorSelectionModel

Returns:

the selected Color

See Also:

ColorSelectionModel.setSelectedColor(java.awt.Color)

setSelectedColor

public void setSelectedColor(Color color)

Sets the selected color to color. Note that setting the color to null is undefined and may have unpredictable results. This method fires a state changed event if it sets the current color to a new non-null color; if the new color is the same as the current color, no event is fired.

Specified by:

setSelectedColor in interface ColorSelectionModel

Parameters:

color - the new Color

See Also:

ColorSelectionModel.getSelectedColor(), ColorSelectionModel.addChangeListener(javax.swing.event.ChangeListener)

addChangeListener

public void addChangeListener(ChangeListener l)

Adds a ChangeListener to the model.

Specified by:

addChangeListener in interface ColorSelectionModel

Parameters:

l - the ChangeListener to be added

removeChangeListener

public void removeChangeListener(ChangeListener l)

Removes a ChangeListener from the model.

Specified by:

removeChangeListener in interface ColorSelectionModel

Parameters:

l - the ChangeListener to be removed

getChangeListeners

public ChangeListener[] getChangeListeners()

Returns an array of all the ChangeListeners added to this DefaultColorSelectionModel with addChangeListener.

Returns:

all of the ChangeListeners added, or an empty array if no listeners have been added

Since:

1.4

fireStateChanged

protected void fireStateChanged()

Runs each ChangeListener's stateChanged method.

See Also:

EventListenerList