Source for java.awt.event.WindowAdapter

   1: /* WindowAdapter.java -- convenience class for writing window 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>WindowListener</code>,
  43:  * <code>WindowStateListener</code>, and <code>WindowFocusListener</code>, and
  44:  * implements all methods with empty bodies.  This allows a listener
  45:  * interested in listening to only a subset of any <code>WindowEvent</code>
  46:  * actions to extend this class and override only the desired methods.
  47:  *
  48:  * @author Aaron M. Renn (arenn@urbanophile.com)
  49:  * @see ComponentEvent
  50:  * @see ComponentListener
  51:  * @since 1.1
  52:  * @status updated to 1.4
  53:  */
  54: public abstract class WindowAdapter
  55:   implements WindowListener, WindowStateListener, WindowFocusListener
  56: {
  57:   /**
  58:    * Do nothing default constructor for subclasses.
  59:    */
  60:   public WindowAdapter()
  61:   {
  62:   }
  63: 
  64:   /**
  65:    * Implements this method from the interface with an empty method body.
  66:    *
  67:    * @param event the event, ignored in this implementation
  68:    */
  69:   public void windowOpened(WindowEvent event)
  70:   {
  71:   }
  72: 
  73:   /**
  74:    * Implements this method from the interface with an empty method body.
  75:    *
  76:    * @param event the event, ignored in this implementation
  77:    */
  78:   public void windowClosing(WindowEvent event)
  79:   {
  80:   }
  81: 
  82:   /**
  83:    * Implements this method from the interface with an empty method body.
  84:    *
  85:    * @param event the event, ignored in this implementation
  86:    */
  87:   public void windowClosed(WindowEvent event)
  88:   {
  89:   }
  90: 
  91:   /**
  92:    * Implements this method from the interface with an empty method body.
  93:    *
  94:    * @param event the event, ignored in this implementation
  95:    */
  96:   public void windowIconified(WindowEvent event)
  97:   {
  98:   }
  99: 
 100:   /**
 101:    * Implements this method from the interface with an empty method body.
 102:    *
 103:    * @param event the event, ignored in this implementation
 104:    */
 105:   public void windowDeiconified(WindowEvent event)
 106:   {
 107:   }
 108: 
 109:   /**
 110:    * Implements this method from the interface with an empty method body.
 111:    *
 112:    * @param event the event, ignored in this implementation
 113:    */
 114:   public void windowActivated(WindowEvent event)
 115:   {
 116:   }
 117: 
 118:   /**
 119:    * Implements this method from the interface with an empty method body.
 120:    *
 121:    * @param event the event, ignored in this implementation
 122:    */
 123:   public void windowDeactivated(WindowEvent event)
 124:   {
 125:   }
 126: 
 127:   /**
 128:    * Implements this method from the interface with an empty method body.
 129:    *
 130:    * @param event the event, ignored in this implementation
 131:    * @since 1.4
 132:    */
 133:   public void windowStateChanged(WindowEvent event)
 134:   {
 135:   }
 136: 
 137:   /**
 138:    * Implements this method from the interface with an empty method body.
 139:    *
 140:    * @param event the event, ignored in this implementation
 141:    * @since 1.4
 142:    */
 143:   public void windowGainedFocus(WindowEvent event)
 144:   {
 145:   }
 146: 
 147:   /**
 148:    * Implements this method from the interface with an empty method body.
 149:    *
 150:    * @param event the event, ignored in this implementation
 151:    * @since 1.4
 152:    */
 153:   public void windowLostFocus(WindowEvent event)
 154:   {
 155:   }
 156: } // class WindowAdapter