java.lang.Object
javax.swing.DefaultSingleSelectionModel
- All Implemented Interfaces:
Serializable
,SingleSelectionModel
public class DefaultSingleSelectionModel extends Object implements SingleSelectionModel, Serializable
A generic implementation of SingleSelectionModel.
Warning:
Serialized objects of this class will not be compatible with
future Swing releases. The current serialization support is
appropriate for short term storage or RMI between applications running
the same version of Swing. As of 1.4, support for long term storage
of all JavaBeans™
has been added to the java.beans
package.
Please see XMLEncoder
.
- Since:
- 1.2
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Field Summary
Fields Modifier and Type Field Description protected ChangeEvent
changeEvent
Only one ModelChangeEvent is needed per model instance since the event's only (read-only) state is the source property.protected EventListenerList
listenerList
The collection of registered listeners -
Constructor Summary
Constructors Constructor Description DefaultSingleSelectionModel()
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Method Summary
Modifier and Type Method Description void
addChangeListener(ChangeListener l)
Adds aChangeListener
to the button.protected void
fireStateChanged()
Notifies all listeners that have registered interest for notification on this event type.ChangeListener[]
getChangeListeners()
Returns an array of all the change listeners registered on thisDefaultSingleSelectionModel
.<T extends EventListener>
T[]getListeners(Class<T> listenerType)
Returns an array of all the objects currently registered asFooListener
s upon this model.void
removeChangeListener(ChangeListener l)
Removes aChangeListener
from the button.Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods declared in interface javax.swing.SingleSelectionModel
clearSelection, getSelectedIndex, isSelected, setSelectedIndex
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Field Details
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changeEvent
Only one ModelChangeEvent 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
The collection of registered listeners
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Constructor Details
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DefaultSingleSelectionModel
public DefaultSingleSelectionModel()
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Method Details
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addChangeListener
Adds aChangeListener
to the button.- Specified by:
addChangeListener
in interfaceSingleSelectionModel
- Parameters:
l
- the ChangeListener to add
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removeChangeListener
Removes aChangeListener
from the button.- Specified by:
removeChangeListener
in interfaceSingleSelectionModel
- Parameters:
l
- the ChangeListener to remove
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getChangeListeners
Returns an array of all the change listeners registered on thisDefaultSingleSelectionModel
.- Returns:
- all of this model's
ChangeListener
s or an empty array if no change listeners are currently registered - Since:
- 1.4
- See Also:
addChangeListener(javax.swing.event.ChangeListener)
,removeChangeListener(javax.swing.event.ChangeListener)
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fireStateChanged
protected void fireStateChanged()Notifies all listeners that have registered interest for notification on this event type. The event instance is created lazily.- See Also:
EventListenerList
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getListeners
Returns an array of all the objects currently registered asFooListener
s upon this model.FooListener
s are registered using theaddFooListener
method.You can specify the
listenerType
argument with a class literal, such asFooListener.class
. For example, you can query aDefaultSingleSelectionModel
instancem
for its change listeners with the following code:ChangeListener[] cls = (ChangeListener[])(m.getListeners(ChangeListener.class));
If no such listeners exist, this method returns an empty array.- Type Parameters:
T
- the type ofEventListener
class being requested- Parameters:
listenerType
- the type of listeners requested; this parameter should specify an interface that descends fromjava.util.EventListener
- Returns:
- an array of all objects registered as
FooListener
s on this model, or an empty array if no such listeners have been added - Throws:
ClassCastException
- iflistenerType
doesn't specify a class or interface that implementsjava.util.EventListener
- Since:
- 1.3
- See Also:
getChangeListeners()
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