libjava/javax/swing/AbstractCellEditor.java

   1 /* AbstractCellEditor.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
  39 package javax.swing;
  40
  41 import java.io.Serializable;
  42 import java.util.EventObject;
  43
  44 import javax.swing.event.CellEditorListener;
  45 import javax.swing.event.ChangeEvent;
  46 import javax.swing.event.EventListenerList;
  47
  48 /**
  49  * AbstractCellEditor
  50  * @author      Andrew Selkirk
  51  * @version     1.0
  52  */
  53 public abstract class AbstractCellEditor
  54   implements CellEditor, Serializable
  55 {
  56   private static final long serialVersionUID = -1048006551406220959L;
  57
  58   /**
  59    * listenerList
  60    */
  61   protected EventListenerList listenerList;
  62
  63   /**
  64    * changeEvent
  65    */
  66   protected transient ChangeEvent changeEvent;
  67
  68         /**
  69          * Constructor AbstractCellEditor
  70          */
  71         public AbstractCellEditor() {
  72                 // TODO
  73         } // AbstractCellEditor()
  74
  75         /**
  76          * isCellEditable
  77          * @param event TODO
  78          * @returns boolean
  79          */
  80         public boolean isCellEditable(EventObject event) {
  81                 return false; // TODO
  82         } // isCellEditable()
  83
  84         /**
  85          * shouldSelectCell
  86          * @param event TODO
  87          * @returns boolean
  88          */
  89         public boolean shouldSelectCell(EventObject event) {
  90                 return false; // TODO
  91         } // shouldSelectCell()
  92
  93         /**
  94          * stopCellEditing
  95          * @returns boolean
  96          */
  97         public boolean stopCellEditing() {
  98                 return false; // TODO
  99         } // stopCellEditing()
 100
 101         /**
 102          * cancelCellEditing
 103          */
 104         public void cancelCellEditing() {
 105                 // TODO
 106         } // cancelCellEditing()
 107
 108   /**
 109    * addCellEditorListener
 110    *
 111    * @param listener The listener to add
 112    */
 113   public void addCellEditorListener (CellEditorListener listener)
 114   {
 115     listenerList.add (CellEditorListener.class, listener);
 116   }
 117
 118   /**
 119    * removeCellEditorListener
 120    *
 121    * @param listener The listener to remove
 122    */
 123   public void removeCellEditorListener (CellEditorListener listener)
 124   {
 125     listenerList.remove (CellEditorListener.class, listener);
 126   }
 127
 128   /**
 129    * getCellEditorListeners
 130    *
 131    * @since 1.4
 132    */
 133   public CellEditorListener[] getCellEditorListeners()
 134   {
 135     return (CellEditorListener[]) listenerList.getListeners (CellEditorListener.class);
 136   }
 137
 138   /**
 139    * fireEditingStopped
 140    */
 141   protected void fireEditingStopped()
 142   {
 143     CellEditorListener[] listeners = getCellEditorListeners();
 144
 145     for (int index = 0; index < listeners.length; index++)
 146       {
 147         listeners [index].editingStopped (changeEvent);
 148       }
 149   }
 150
 151   /**
 152    * fireEditingCanceled
 153    */
 154   protected void fireEditingCanceled()
 155   {
 156     CellEditorListener[] listeners = getCellEditorListeners();
 157
 158     for (int index = 0; index < listeners.length; index++)
 159       {
 160         listeners [index].editingCanceled (changeEvent);
 161       }
 162   }
 163 }