AbstractSpinnerModel (Java 2 Platform SE 5.0) (original) (raw)

javax.swing

Class AbstractSpinnerModel

java.lang.Object extended by javax.swing.AbstractSpinnerModel

All Implemented Interfaces:

SpinnerModel

Direct Known Subclasses:

SpinnerDateModel, SpinnerListModel, SpinnerNumberModel

public abstract class AbstractSpinnerModel

extends Object

implements SpinnerModel

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 minimum, maximum, and value properties and the getNextValue and getPreviousValue methods.

Since:

1.4

Field Summary
protected EventListenerList	listenerList The list of ChangeListeners for this model.

Constructor Summary
AbstractSpinnerModel()

Method Summary
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 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](../../java/lang/Object.html#wait%28long, int%29)

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](../../javax/swing/SpinnerModel.html#addChangeListener%28javax.swing.event.ChangeListener%29) in interface [SpinnerModel](../../javax/swing/SpinnerModel.html "interface in javax.swing")

Parameters:

l - the ChangeListener to add

removeChangeListener

public void removeChangeListener(ChangeListener l)

Removes a ChangeListener from the model's listener list.

Specified by:

[removeChangeListener](../../javax/swing/SpinnerModel.html#removeChangeListener%28javax.swing.event.ChangeListener%29) in interface [SpinnerModel](../../javax/swing/SpinnerModel.html "interface in javax.swing")

Parameters:

l - the ChangeListener to remove

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.

getListeners

public <T extends EventListener> T[] getListeners(Class 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

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.