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/OpenJDK 21

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:

Field Summary

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

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 declared in class java.lang.Object

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

Field Details

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 Details

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 Details

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:

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:

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:

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/colorchooser/DefaultColorSelectionModel.html