be.ugent.caagt.swirl
Class DefaultGenericSelectionModel<E>

java.lang.Object
  be.ugent.caagt.swirl.DefaultGenericSelectionModel<E>

All Implemented Interfaces:

GenericSelectionModel<E>

public class DefaultGenericSelectionModel<E>
extends java.lang.Object
implements GenericSelectionModel<E>

A default implementation of GenericSelectionModel. Uses equals to check whether the model has been changed whenever a new selection is set.

Field Summary

protected javax.swing.event.EventListenerList

listenerList The list of listeners currently registered

Constructor Summary

DefaultGenericSelectionModel()

Method Summary

void	addChangeListener(javax.swing.event.ChangeListener listener) Adds a listener which should be notified of all changes in the model.
void	clearSelection() Clears the selection.
protected void	fireStateChanged() Notifies all listeners of a state change.
E	getSelection() Returns the current selection or null if nothing is currently selected.
boolean	isSelected() Check whether an element is currently selected.
void	removeChangeListener(javax.swing.event.ChangeListener listener) Removes a listener previously registered with GenericSelectionModel.addChangeListener(javax.swing.event.ChangeListener).
void	setSelection(E element) Set the current selection and notify any listeners in case of changes.

Methods inherited from class java.lang.Object

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

Field Detail

listenerList

protected javax.swing.event.EventListenerList listenerList

The list of listeners currently registered

Constructor Detail

DefaultGenericSelectionModel

public DefaultGenericSelectionModel()

Method Detail

getSelection

public E getSelection()

Description copied from interface: GenericSelectionModel

Returns the current selection or null if nothing is currently selected.

Specified by:

getSelection in interface GenericSelectionModel<E>

setSelection

public void setSelection(E element)

Description copied from interface: GenericSelectionModel

Set the current selection and notify any listeners in case of changes.

Specified by:

setSelection in interface GenericSelectionModel<E>

Parameters:

element - object which represents the selected element, or null if the selection should be cleared

clearSelection

public void clearSelection()

Description copied from interface: GenericSelectionModel

Clears the selection. Short for

    setSelection(null);
 

Specified by:

clearSelection in interface GenericSelectionModel<E>

isSelected

public boolean isSelected()

Description copied from interface: GenericSelectionModel

Check whether an element is currently selected. Short for

    getSelection() != null
 

Specified by:

isSelected in interface GenericSelectionModel<E>

addChangeListener

public void addChangeListener(javax.swing.event.ChangeListener listener)

Description copied from interface: GenericSelectionModel

Adds a listener which should be notified of all changes in the model.

Specified by:

addChangeListener in interface GenericSelectionModel<E>

removeChangeListener

public void removeChangeListener(javax.swing.event.ChangeListener listener)

Description copied from interface: GenericSelectionModel

Removes a listener previously registered with GenericSelectionModel.addChangeListener(javax.swing.event.ChangeListener).

Specified by:

removeChangeListener in interface GenericSelectionModel<E>

fireStateChanged

protected void fireStateChanged()

Notifies all listeners of a state change.