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 * 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 javax.swing;

/**
 * A mutable version of <code>ComboBoxModel</code>.
 *
 * @param <E> the type of the elements of this model
 *
 * @author Tom Santos
 */

public interface MutableComboBoxModel<E> extends ComboBoxModel<E> {

    /**
     * Adds an item at the end of the model. The implementation of this method
     * should notify all registered <code>ListDataListener</code>s that the
     * item has been added.
     *
     * @param item the item to be added
     */
    public void addElement( E item );

    /**
     * Removes an item from the model. The implementation of this method should
     * should notify all registered <code>ListDataListener</code>s that the
     * item has been removed.
     *
     * @param obj the <code>Object</code> to be removed
     */
    public void removeElement( Object obj );

    /**
     * Adds an item at a specific index.  The implementation of this method
     * should notify all registered <code>ListDataListener</code>s that the
     * item has been added.
     *
     * @param item  the item to be added
     * @param index  location to add the object
     */
    public void insertElementAt( E item, int index );

    /**
     * Removes an item at a specific index. The implementation of this method
     * should notify all registered <code>ListDataListener</code>s that the
     * item has been removed.
     *
     * @param index  location of the item to be removed
     */
    public void removeElementAt( int index );
}