libjava/java/awt/CheckboxGroup.java

   1 /* Copyright (C) 2000  Free Software Foundation
   2
   3    This file is part of libgcj.
   4
   5 This software is copyrighted work licensed under the terms of the
   6 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   7 details.  */
   8
   9 package java.awt;
  10
  11 import java.io.Serializable;
  12
  13 /** This class is used to groups checkbox components.
  14  * @author Tom Tromey <tromey@redhat.com>
  15  * @date December 25, 2000
  16  */
  17 public class CheckboxGroup implements Serializable
  18 {
  19   // Current set checkbox.
  20   Checkbox selectedCheckbox;
  21
  22   /** Create a new instance of CheckboxGroup.  */
  23   public CheckboxGroup ()
  24   {
  25   }
  26
  27   /** Returns the currently selected checkbox in the group.
  28    * @deprecated
  29    */
  30   public Checkbox getCurrent ()
  31   {
  32     return getSelectedCheckbox ();
  33   }
  34
  35   /** Returns the currently selected checkbox in the group.  */
  36   public Checkbox getSelectedCheckbox ()
  37   {
  38     return selectedCheckbox;
  39   }
  40
  41   /** Set the selected checkbox.
  42    * @deprecated
  43    */
  44   public synchronized void setCurrent (Checkbox checkbox)
  45   {
  46     setSelectedCheckbox (checkbox);
  47   }
  48
  49   /** Set the selected checkbox.  */
  50   public synchronized void setSelectedCheckbox (Checkbox checkbox)
  51   {
  52     if (checkbox != null && checkbox.group != this)
  53       return;
  54
  55     selectedCheckbox.setState (false);
  56     selectedCheckbox = checkbox;
  57     if (checkbox != null)
  58       checkbox.setState (true);
  59   }
  60
  61   /** Return String representation of this class and current Checkbox.  */
  62   public String toString ()
  63   {
  64     return "[CheckboxGroup: " + selectedCheckbox + "]";
  65   }
  66 }