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public class DefaultColorSelectionModel extends Object implements ColorSelectionModel, Serializable
A generic implementation of ColorSelectionModel
.
Field Summary | |
---|---|
protected transient 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 Summary | |
---|---|
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 | |
---|---|
void |
Adds a ChangeListener to the model.
|
protected void |
Runs each ChangeListener 's
stateChanged method.
|
ChangeListener[] |
Returns an array of all the ChangeListener s added
to this DefaultColorSelectionModel with
addChangeListener .
|
Color |
Returns the selected Color which should be
non-null .
|
void |
Removes a ChangeListener from the model.
|
void |
setSelectedColor(Color color) Sets the selected color to color .
|
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
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
Constructor Detail |
---|
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
Method Detail |
---|
public void addChangeListener(ChangeListener l)
ChangeListener
to the model.
l
- the ChangeListener
to be addedprotected void fireStateChanged()
ChangeListener
's
stateChanged
method.
public ChangeListener[] getChangeListeners()
ChangeListener
s added
to this DefaultColorSelectionModel
with
addChangeListener
.
ChangeListener
s added, or an empty
array if no listeners have been addedpublic Color getSelectedColor()
Color
which should be
non-null
.
Color
public void removeChangeListener(ChangeListener l)
ChangeListener
from the model.
l
- the ChangeListener
to be removedpublic 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.
color
- the new Color
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