Source for java.awt.event.ComponentAdapter

   1: /* ComponentAdapter.java -- convenience class for writing component listeners
   2:    Copyright (C) 1999, 2002, 2005  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package java.awt.event;
  40: 
  41: /**
  42:  * This class implements <code>ComponentListener</code> and implements
  43:  * all methods with empty bodies.  This allows a listener interested in
  44:  * implementing only a subset of the <code>ComponentListener</code>
  45:  * interface to extend this class and override only the desired methods.
  46:  *
  47:  * @author Aaron M. Renn (arenn@urbanophile.com)
  48:  * @see ComponentEvent
  49:  * @see ComponentListener
  50:  * @since 1.1
  51:  * @status updated to 1.4
  52:  */
  53: public abstract class ComponentAdapter implements ComponentListener
  54: {
  55:   /**
  56:    * Do nothing default constructor for subclasses.
  57:    */
  58:   public ComponentAdapter()
  59:   {
  60:   }
  61: 
  62:   /**
  63:    * Implements this method from the interface with an empty body.
  64:    *
  65:    * @param event the event, ignored in this implementation
  66:    */
  67:   public void componentResized(ComponentEvent event)
  68:   {
  69:   }
  70: 
  71:   /**
  72:    * Implements this method from the interface with an empty body.
  73:    *
  74:    * @param event the event, ignored in this implementation
  75:    */
  76:   public void componentMoved(ComponentEvent event)
  77:   {
  78:   }
  79: 
  80:   /**
  81:    * Implements this method from the interface with an empty body.
  82:    *
  83:    * @param event the event, ignored in this implementation
  84:    */
  85:   public void componentShown(ComponentEvent event)
  86:   {
  87:   }
  88: 
  89:   /**
  90:    * Implements this method from the interface with an empty body.
  91:    *
  92:    * @param event the event, ignored in this implementation
  93:    */
  94:   public void componentHidden(ComponentEvent event)
  95:   {
  96:   }
  97: } // class ComponentAdapter