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/*
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* Copyright (c) 1996, 2000, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.awt;
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import java.awt.event.*;
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/**
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* The interface for objects which contain a set of items for
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* which zero or more can be selected.
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*
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* @author Amy Fowler
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*/
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public interface ItemSelectable {
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/**
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* Returns the selected items or <code>null</code> if no
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* items are selected.
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*/
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public Object[] getSelectedObjects();
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/**
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* Adds a listener to receive item events when the state of an item is
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* changed by the user. Item events are not sent when an item's
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* state is set programmatically. If <code>l</code> is
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* <code>null</code>, no exception is thrown and no action is performed.
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*
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* @param l the listener to receive events
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* @see ItemEvent
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*/
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public void addItemListener(ItemListener l);
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/**
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* Removes an item listener.
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* If <code>l</code> is <code>null</code>,
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* no exception is thrown and no action is performed.
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*
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* @param l the listener being removed
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* @see ItemEvent
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*/
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public void removeItemListener(ItemListener l);
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}
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