1/*
2 * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 * questions.
24 */
25package javax.swing;
26
27/**
28 * A mutable version of <code>ComboBoxModel</code>.
29 *
30 * @param <E> the type of the elements of this model
31 *
32 * @author Tom Santos
33 * @since 1.2
34 */
35
36public interface MutableComboBoxModel<E> extends ComboBoxModel<E> {
37
38    /**
39     * Adds an item at the end of the model. The implementation of this method
40     * should notify all registered <code>ListDataListener</code>s that the
41     * item has been added.
42     *
43     * @param item the item to be added
44     */
45    public void addElement( E item );
46
47    /**
48     * Removes an item from the model. The implementation of this method should
49     * should notify all registered <code>ListDataListener</code>s that the
50     * item has been removed.
51     *
52     * @param obj the <code>Object</code> to be removed
53     */
54    public void removeElement( Object obj );
55
56    /**
57     * Adds an item at a specific index.  The implementation of this method
58     * should notify all registered <code>ListDataListener</code>s that the
59     * item has been added.
60     *
61     * @param item  the item to be added
62     * @param index  location to add the object
63     */
64    public void insertElementAt( E item, int index );
65
66    /**
67     * Removes an item at a specific index. The implementation of this method
68     * should notify all registered <code>ListDataListener</code>s that the
69     * item has been removed.
70     *
71     * @param index  location of the item to be removed
72     */
73    public void removeElementAt( int index );
74}
75