Overview Package Class Use Source Tree Index Deprecated About
Prev Class | Next ClassFrames | No Frames
Summary: Nested | Field | Method | ConstrDetail: Nested | Field | Method | Constr

javax.swing

Class DefaultSingleSelectionModel

Implemented Interfaces:
Serializable, SingleSelectionModel
public class DefaultSingleSelectionModel
extends Object
implements SingleSelectionModel, Serializable
The default implementation of SingleSelectionModel, used in JTabbedPane, JMenuBar and JPopupMenu.
See Also:
Serialized Form

Field Summary

protected ChangeEvent
changeEvent
changeEvent
protected EventListenerList
listenerList
listenerList

Constructor Summary

DefaultSingleSelectionModel()
Creates a new DefaultSingleSelectionModel with no current selection.

Method Summary

void
addChangeListener(ChangeListener listener)
Registers a listener to receive ChangeEvent notifications from this model whenever the selected index changes.
void
clearSelection()
Clears the selection by setting the selected index to -1 and sends a ChangeEvent to all registered listeners.
extends EventListener> T[] getListeners(Class listenerClass)
getListeners
protected void
fireStateChanged()
fireStateChanged
ChangeListener[]
getChangeListeners()
getChangeListeners
int
getSelectedIndex()
Returns the selected index or -1 if there is no selection.
boolean
isSelected()
Returns true if there is a selection, and false otherwise.
void
removeChangeListener(ChangeListener listener)
Deregisters a listener so that it no longer receives ChangeEvent notifications from this model.
void
setSelectedIndex(int index)
Sets the selected index and, if this is different to the previous selection, sends a ChangeEvent to all registered listeners.

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

changeEvent

protected ChangeEvent changeEvent
changeEvent

listenerList

protected EventListenerList listenerList
listenerList

Constructor Details

DefaultSingleSelectionModel

public DefaultSingleSelectionModel()
Creates a new DefaultSingleSelectionModel with no current selection.

Method Details

addChangeListener

public void addChangeListener(ChangeListener listener)
Registers a listener to receive ChangeEvent notifications from this model whenever the selected index changes.
Specified by:
addChangeListener in interface SingleSelectionModel
Parameters:
listener - the listener to add.

clearSelection

public void clearSelection()
Clears the selection by setting the selected index to -1 and sends a ChangeEvent to all registered listeners. If the selected index is already -1, this method does nothing.
Specified by:
clearSelection in interface SingleSelectionModel

extends EventListener> T[] getListeners

public extends EventListener> T[] getListeners(Class listenerClass)
getListeners
Parameters:
listenerClass - the type fo listener
Returns:
an array of listeners
Since:
1.3

fireStateChanged

protected void fireStateChanged()
fireStateChanged

getChangeListeners

public ChangeListener[] getChangeListeners()
getChangeListeners
Since:
1.4

getSelectedIndex

public int getSelectedIndex()
Returns the selected index or -1 if there is no selection.
Specified by:
getSelectedIndex in interface SingleSelectionModel
Returns:
The selected index.
See Also:
setSelectedIndex(int)

isSelected

public boolean isSelected()
Returns true if there is a selection, and false otherwise.
Specified by:
isSelected in interface SingleSelectionModel
Returns:
A boolean.

removeChangeListener

public void removeChangeListener(ChangeListener listener)
Deregisters a listener so that it no longer receives ChangeEvent notifications from this model.
Specified by:
removeChangeListener in interface SingleSelectionModel
Parameters:
listener - the listener to remove.

setSelectedIndex

public void setSelectedIndex(int index)
Sets the selected index and, if this is different to the previous selection, sends a ChangeEvent to all registered listeners.
Specified by:
setSelectedIndex in interface SingleSelectionModel
Parameters:
index - the index (use -1 to represent no selection).
See Also:
getSelectedIndex(), clearSelection()
DefaultSingleSelectionModel.java -- Copyright (C) 2002, 2004, 2006, Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

Overview Package Class Use Source Tree Index Deprecated About