libjava/javax/swing/ComponentInputMap.java

   1 /* ComponentInputMap.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., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 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 package javax.swing;
  39
  40
  41 /**
  42  * @author Andrew Selkirk
  43  * @author Michael Koch
  44  */
  45 public class ComponentInputMap extends InputMap
  46 {
  47   /**
  48    * The component to notify.
  49    */
  50   private JComponent component;
  51
  52   /**
  53    * Creates <code>ComponentInputMap</code> object that notifies the given
  54    * component about changes to it.
  55    *
  56    * @param comp the component to notify
  57    *
  58    * @exception IllegalArgumentException if comp is null
  59    */
  60   public ComponentInputMap(JComponent comp)
  61   {
  62     if (comp == null)
  63       throw new IllegalArgumentException();
  64
  65     this.component = comp;
  66   }
  67
  68   /**
  69    * Puts a new entry into the <code>InputMap</code>.
  70    * If actionMapKey is null an existing entry will be removed.
  71    *
  72    * @param keystroke the keystroke for the entry
  73    * @param actionMapKey the action.
  74    */
  75   public void put(KeyStroke keystroke, Object value)
  76   {
  77     super.put(keystroke, value);
  78     // FIXME: Notify component.
  79   }
  80
  81   /**
  82    * Clears the <code>InputMap</code>.
  83    */
  84   public void clear()
  85   {
  86     super.clear();
  87     // FIXME: Notify component.
  88   }
  89
  90   /**
  91    * Remove an entry from the <code>InputMap</code>.
  92    *
  93    * @param key the key of the entry to remove
  94    */
  95   public void remove(KeyStroke keystroke)
  96   {
  97     super.remove(keystroke);
  98     // FIXME: Notify component.
  99   }
 100
 101   /**
 102    * Sets a parent for this <code>ComponentInputMap</code>.
 103    *
 104    * @param parentMap the new parent
 105    *
 106    * @exception IllegalArgument if parentMap is not a
 107    * <code>ComponentInputMap</code> or not associated with the same component
 108    */
 109   public void setParent(InputMap parentMap)
 110   {
 111     if (! (parentMap instanceof ComponentInputMap))
 112       throw new IllegalArgumentException();
 113
 114     if (((ComponentInputMap) parentMap).getComponent() != component)
 115       throw new IllegalArgumentException();
 116
 117     super.setParent(parentMap);
 118     // FIXME: Notify component.
 119   }
 120
 121   /**
 122    * Returns the component to notify about changes.
 123    *
 124    * @return a <code>JComponent</code> object
 125    */
 126   public JComponent getComponent()
 127   {
 128     return component;
 129   }
 130 }