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javax.swing
Class AbstractSpinnerModel

java.lang.Object
  javax.swing.AbstractSpinnerModel

All Implemented Interfaces:

Serializable, SpinnerModel

Direct Known Subclasses:

SpinnerDateModel, SpinnerListModel, SpinnerNumberModel

public abstract class AbstractSpinnerModel
extends Object
implements SpinnerModel, Serializable

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:

JSpinner, SpinnerModel, SpinnerListModel, SpinnerNumberModel, SpinnerDateModel

Field Summary

Modifier and Type	Field and Description
protected EventListenerList	listenerList The list of ChangeListeners for this model.

Constructor and Description

AbstractSpinnerModel()

Method Summary

Modifier and Type	Method and Description
void	addChangeListener(ChangeListener l) Adds a ChangeListener to the model's listener list.
protected void	fireStateChanged() Run each ChangeListeners stateChanged() method.
ChangeListener[]	getChangeListeners() Returns an array of all the ChangeListeners 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.
void	removeChangeListener(ChangeListener l) Removes a ChangeListener from the model's listener list.

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.swing.SpinnerModel

getNextValue, getPreviousValue, getValue, setValue

Field Detail

listenerList

protected EventListenerList listenerList

The list of ChangeListeners for this model. Subclasses may store their own listeners here.

Constructor Detail

AbstractSpinnerModel

public AbstractSpinnerModel()

Method Detail

addChangeListener

public void addChangeListener(ChangeListener l)

Adds a ChangeListener to the model's listener list. The ChangeListeners must be notified when the models value changes.

Specified by:

addChangeListener in interface SpinnerModel

Parameters:

l - the ChangeListener to add

See Also:

removeChangeListener(javax.swing.event.ChangeListener), SpinnerModel.addChangeListener(javax.swing.event.ChangeListener)

removeChangeListener

public void removeChangeListener(ChangeListener l)

Removes a ChangeListener from the model's listener list.

Specified by:

removeChangeListener in interface SpinnerModel

Parameters:

l - the ChangeListener to remove

See Also:

addChangeListener(javax.swing.event.ChangeListener), SpinnerModel.removeChangeListener(javax.swing.event.ChangeListener)

getChangeListeners

public ChangeListener[] getChangeListeners()

Returns an array of all the ChangeListeners 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

fireStateChanged

protected void fireStateChanged()

Run each ChangeListeners stateChanged() method.

See Also:

SpinnerModel.setValue(java.lang.Object), EventListenerList

getListeners

public <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. For example to find all of the ChangeListeners added to this model:

 myAbstractSpinnerModel.getListeners(ChangeListener.class);
 

Parameters:

listenerType - the type of listeners to return, e.g. ChangeListener.class

Returns:

all of the objects receiving listenerType notifications from this model