java.awt.event

Class FocusAdapter

Implemented Interfaces:
EventListener, FocusListener
Known Direct Subclasses:
BasicSplitPaneUI.FocusHandler, BasicTabbedPaneUI.FocusHandler

public abstract class FocusAdapter
extends Object
implements FocusListener

This class implements FocusListener and implements all methods with empty bodies. This allows a listener interested in implementing only a subset of the FocusListener interface to extend this class and override only the desired methods.
Since:
1.1
See Also:
FocusEvent, FocusListener

Constructor Summary

FocusAdapter()
Do nothing default constructor for subclasses.

Method Summary

void
focusGained(FocusEvent event)
Implements this method from the interface with an empty body.
void
focusLost(FocusEvent event)
Implements this method from the interface with an empty body.

Methods inherited from class java.lang.Object

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

Constructor Details

FocusAdapter

public FocusAdapter()
Do nothing default constructor for subclasses.

Method Details

focusGained

public void focusGained(FocusEvent event)
Implements this method from the interface with an empty body.
Specified by:
focusGained in interface FocusListener
Parameters:
event - the event, ignored in this implementation

focusLost

public void focusLost(FocusEvent event)
Implements this method from the interface with an empty body.
Specified by:
focusLost in interface FocusListener
Parameters:
event - the event, ignored in this implementation

FocusAdapter.java -- convenience class for writing focus listeners Copyright (C) 1999, 2002, 2005 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.