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