01: /*
02: * @(#)ItemSelectable.java 1.13 06/10/10
03: *
04: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program 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 version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: *
26: */
27:
28: package java.awt;
29:
30: import java.awt.event.*;
31:
32: /**
33: * The interface for objects which contain a set of items for
34: * which zero or more can be selected.
35: *
36: * @version 1.9 08/19/02
37: * @author Amy Fowler
38: */
39:
40: public interface ItemSelectable {
41: /**
42: * Returns the selected items or null if no items are selected.
43: */
44: public Object[] getSelectedObjects();
45:
46: /**
47: * Add a listener to recieve item events when the state of
48: * an item changes.
49: * @param l the listener to recieve events
50: * @see ItemEvent
51: */
52: public void addItemListener(ItemListener l);
53:
54: /**
55: * Removes an item listener.
56: * @param l the listener being removed
57: * @see ItemEvent
58: */
59: public void removeItemListener(ItemListener l);
60: }
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