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

Since:
1.4
See Also:
JSpinner , SpinnerModel , SpinnerListModel , SpinnerNumberModel , SpinnerDateModel

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 <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