java.lang.Object
javax.swing.AbstractSpinnerModel
- All Implemented Interfaces:
Serializable,SpinnerModel
- Direct Known Subclasses:
SpinnerDateModel,SpinnerListModel,SpinnerNumberModel
This class provides the ChangeListener part of the
SpinnerModel interface that should be suitable for most concrete SpinnerModel
implementations. Subclasses must provide an implementation of the
setValue, getValue, getNextValue and
getPreviousValue methods.- Since:
- 1.4
- See Also:
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected EventListenerListThe list of ChangeListeners for this model. -
Constructor Summary
ConstructorsModifierConstructorDescriptionprotectedConstructor for subclasses to call. -
Method Summary
Modifier and TypeMethodDescriptionvoidAdds a ChangeListener to the model's listener list.protected voidRun each ChangeListeners stateChanged() method.Returns an array of all theChangeListeners added to this AbstractSpinnerModel with addChangeListener().<T extends EventListener>
T[]getListeners(Class<T> listenerType) Return an array of all the listeners of the given type that were added to this model.voidRemoves a ChangeListener from the model's listener list.Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods declared in interface javax.swing.SpinnerModel
getNextValue, getPreviousValue, getValue, setValue
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Field Details
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listenerList
The list of ChangeListeners for this model. Subclasses may store their own listeners here.
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Constructor Details
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AbstractSpinnerModel
protected AbstractSpinnerModel()Constructor for subclasses to call.
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Method Details
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addChangeListener
Adds a ChangeListener to the model's listener list. The ChangeListeners must be notified when the models value changes.- Specified by:
addChangeListenerin interfaceSpinnerModel- Parameters:
l- the ChangeListener to add- See Also:
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removeChangeListener
Removes a ChangeListener from the model's listener list.- Specified by:
removeChangeListenerin interfaceSpinnerModel- Parameters:
l- the ChangeListener to remove- See Also:
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getChangeListeners
Returns an array of all theChangeListeners added to this AbstractSpinnerModel with addChangeListener().- Returns:
- all of the
ChangeListeners added or an empty array if no listeners have been added - Since:
- 1.4
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fireStateChanged
protected void fireStateChanged()Run each ChangeListeners stateChanged() method.- See Also:
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getListeners
Return an array of all the listeners of the given type that were added to this model. For example to find all of the ChangeListeners added to this model:myAbstractSpinnerModel.getListeners(ChangeListener.class);
- Type Parameters:
T- the type of requested listeners- Parameters:
listenerType- the type of listeners to return, e.g. ChangeListener.class- Returns:
- all of the objects receiving listenerType notifications from this model
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