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
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package 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 
  36 public 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 }