Source for javax.swing.FocusManager

   1: /* FocusManager.java --
   2:    Copyright (C) 2002, 2004  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 javax.swing;
  40: 
  41: import java.awt.Component;
  42: import java.awt.DefaultKeyboardFocusManager;
  43: import java.awt.KeyboardFocusManager;
  44: import java.awt.event.KeyEvent;
  45: 
  46: /**
  47:  * FocusManager
  48:  * @author    Andrew Selkirk
  49:  * @version    1.0
  50:  */
  51: public abstract class FocusManager
  52:   extends DefaultKeyboardFocusManager
  53: {
  54:   /**
  55:    * DisabledFocusManager
  56:    */
  57:   static class DisabledFocusManager
  58:     extends FocusManager
  59:   {
  60: 
  61:     /**
  62:      * Constructor DisabledFocusManager
  63:      */
  64:     DisabledFocusManager()
  65:     {
  66:       // TODO
  67:     }
  68: 
  69:     /**
  70:      * processKeyEvent
  71:      * @param component TODO
  72:      * @param event TODO
  73:      */
  74:     public void processKeyEvent(Component component, KeyEvent event)
  75:     {
  76:       // TODO
  77:     }
  78: 
  79:     /**
  80:      * focusNextComponent
  81:      * @param component TODO
  82:      */
  83:     public void focusNextComponent(Component component)
  84:     {
  85:       // TODO
  86:     }
  87: 
  88:     /**
  89:      * focusPreviousComponent
  90:      * @param value0 TODO
  91:      */
  92:     public void focusPreviousComponent(Component value0)
  93:     {
  94:       // TODO
  95:     }
  96:   }
  97: 
  98:   /**
  99:    * FOCUS_MANAGER_CLASS_PROPERTY
 100:    */
 101:   public static final String FOCUS_MANAGER_CLASS_PROPERTY =
 102:     "FocusManagerClassName";
 103: 
 104:   /**
 105:    * Constructor FocusManager
 106:    */
 107:   public FocusManager()
 108:   {
 109:     super();
 110:   }
 111: 
 112:   /**
 113:    * getCurrentManager
 114:    * @returns FocusManager
 115:    */
 116:   public static FocusManager getCurrentManager()
 117:   {
 118:     KeyboardFocusManager fm =
 119:       KeyboardFocusManager.getCurrentKeyboardFocusManager();
 120:     if (fm instanceof FocusManager)
 121:       return (FocusManager) fm;
 122:     else
 123:       {
 124:         System.err.println("The Swing FocusManager API has been obsoleted by");
 125:         System.err.println("the new KeyboardFocusManager system.");
 126:         System.err.println("You should either not use the Swing FocusManager");
 127:         System.err.println("API or set the system property");
 128:         System.err.println
 129:           ("gnu.java.awt.FocusManager=javax.swing.FocusManager");
 130:       }
 131:       return null;
 132:   }
 133: 
 134:   /**
 135:    * setCurrentManager
 136:    * @param manager TODO
 137:    */
 138:   public static void setCurrentManager(FocusManager manager)
 139:   {
 140:     KeyboardFocusManager.setCurrentKeyboardFocusManager(manager);
 141:   }
 142: 
 143:   /**
 144:    * disableSwingFocusManager
 145:    * @deprecated 1.4
 146:    */
 147:   public static void disableSwingFocusManager()
 148:   {
 149:     // TODO
 150:   }
 151: 
 152:   /**
 153:    * isFocusManagerEnabled
 154:    * @return boolean
 155:    * @deprecated 1.4
 156:    */
 157:   public static boolean isFocusManagerEnabled()
 158:   {
 159:     return false; // TODO
 160:   }
 161: }