001 /* MutableComboBoxModel.java --
002 Copyright (C) 2002 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038 package javax.swing;
039
040 /**
041 * A data model used in {@link JComboBox}es that keeps track of the
042 * components data and provides methods to insert and remove elements from
043 * it. The classes implementing this interface should
044 * fire appropriate events indicating the undergoing change in the data model.
045 *
046 * @author Andrew Selkirk
047 * @author Olga Rodimina
048 */
049 public interface MutableComboBoxModel extends ComboBoxModel
050 {
051 /**
052 * This method adds given object to its data model.
053 *
054 * @param object element to add to the data model.
055 */
056 void addElement(Object object);
057
058 /**
059 * This method removes elements located at the given index in the data
060 * model.
061 *
062 * @param index index specifying location of the element to remove.
063 */
064 void removeElementAt(int index);
065
066 /**
067 * This method inserts givent element to the data model, at the specified
068 * index.
069 *
070 * @param object element to insert
071 * @param index index specifying the position in the data model where the
072 * given element should be inserted.
073 */
074 void insertElementAt(Object object, int index);
075
076 /**
077 * This method removes given element from the data model
078 *
079 * @param object element to remove.
080 */
081 void removeElement(Object object);
082 }