Source for java.awt.ItemSelectable

   1: /* ItemSelectable.java -- items that can be selected
   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;
  40: 
  41: import java.awt.event.ItemListener;
  42: 
  43: /**
  44:  * This interface is for objects that can have one or more items selected.
  45:  * For example, radio buttons.
  46:  *
  47:  * @author Aaron M. Renn (arenn@urbanophile.com)
  48:  * @since 1.0
  49:  * @status updated to 1.4
  50:  */
  51: public interface ItemSelectable
  52: {
  53:   /**
  54:    * Returns the list of objects that are selected in this component.
  55:    *
  56:    * @return the list of selected objects, or null
  57:    */
  58:   Object[] getSelectedObjects();
  59: 
  60:   /**
  61:    * Adds an item listener to this object.  It will receive selection events
  62:    * for this object by the user (but not programatically). If listener is
  63:    * null, it is ignored.
  64:    *
  65:    * @param listener the item listener to add
  66:    */
  67:   void addItemListener(ItemListener listener);
  68: 
  69:   /**
  70:    * Removes an item listener from this object.
  71:    *
  72:    * @param listener the item listener to remove
  73:    */
  74:   void removeItemListener(ItemListener listener);
  75: } // interface ItemSelectable