public class DefaultColorSelectionModel extends Object implements ColorSelectionModel, Serializable
ColorSelectionModel
.Color
Modifier and Type | Field and 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 |
Constructor and 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 . |
Modifier and Type | Method and 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
ChangeListener s 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 . |
protected transient ChangeEvent changeEvent
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".protected EventListenerList listenerList
public DefaultColorSelectionModel()
DefaultColorSelectionModel
with the
current color set to Color.white
. This is
the default constructor.public DefaultColorSelectionModel(Color color)
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.color
- the new Color
public Color getSelectedColor()
Color
which should be
non-null
.getSelectedColor
in interface ColorSelectionModel
Color
ColorSelectionModel.setSelectedColor(java.awt.Color)
public void setSelectedColor(Color color)
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.setSelectedColor
in interface ColorSelectionModel
color
- the new Color
ColorSelectionModel.getSelectedColor()
,
ColorSelectionModel.addChangeListener(javax.swing.event.ChangeListener)
public void addChangeListener(ChangeListener l)
ChangeListener
to the model.addChangeListener
in interface ColorSelectionModel
l
- the ChangeListener
to be addedpublic void removeChangeListener(ChangeListener l)
ChangeListener
from the model.removeChangeListener
in interface ColorSelectionModel
l
- the ChangeListener
to be removedpublic ChangeListener[] getChangeListeners()
ChangeListener
s added
to this DefaultColorSelectionModel
with
addChangeListener
.ChangeListener
s added, or an empty
array if no listeners have been addedprotected void fireStateChanged()
ChangeListener
's
stateChanged
method.
EventListenerList
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