1. /*

  2.  * @(#)ItemSelectable.java	1.11 00/02/02

  3.  *

  4.  * Copyright 1996-2000 Sun Microsystems, Inc. All Rights Reserved.

  5.  * 

  6.  * This software is the proprietary information of Sun Microsystems, Inc.  

  7.  * Use is subject to license terms.

  8.  * 

  9.  */

  10. 

  11. package java.awt;

  12. 

  13. import java.awt.event.*;

  14. 

  15. /**

  16.  * The interface for objects which contain a set of items for

  17.  * which zero or more can be selected.

  18.  *

  19.  * @version 1.11 02/02/00

  20.  * @author Amy Fowler

  21.  */

  22. 

  23. public interface ItemSelectable {

  24. 

  25.     /**

  26.      * Returns the selected items or null if no items are selected.

  27.      */

  28.     public Object[] getSelectedObjects();

  29. 

  30.     /**

  31.      * Add a listener to recieve item events when the state of

  32.      * an item changes.

  33.      * If l is null, no exception is thrown and no action is performed.

  34.      *

  35.      * @param    l the listener to recieve events

  36.      * @see ItemEvent

  37.      */    

  38.     public void addItemListener(ItemListener l);

  39. 

  40.     /**

  41.      * Removes an item listener.

  42.      * If l is null, no exception is thrown and no action is performed.

  43.      *

  44.      * @param 	l the listener being removed

  45.      * @see ItemEvent

  46.      */ 

  47.     public void removeItemListener(ItemListener l);

  48. }