CommentListModel.java

/* Copyright (c) 2010, skobbler GmbH
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package org.openstreetmap.josm.plugins.mapdust.gui.component.model;


import javax.swing.ListModel;
import javax.swing.event.ListDataListener;
import org.openstreetmap.josm.plugins.mapdust.service.value.MapdustComment;


/**
 * List model for <code>MapdustComment</code> objects.
 *
 * @author Bea
 *
 */
public class CommentListModel implements ListModel<MapdustComment> {

    /** The list of <code>MapdustBug</code> objects */
    private final MapdustComment[] comments;

    /**
     * Builds a <code>BugsListModel</code> object
     */
    public CommentListModel() {
        this.comments = null;
    }

    /**
     * Builds a <code>BugsListModel</code> object
     *
     * @param comments The array of comments
     */
    public CommentListModel(MapdustComment[] comments) {
        this.comments = comments;
    }

    /**
     * Returns the <code>MapdustComment</code> from the given position.
     *
     * @param index The position of the element
     * @return <code>MapdustComment</code> from the given position
     */
    @Override
    public MapdustComment getElementAt(int index) {
        if (index > 0 && index < comments.length) {
            return comments[index];
        }
        return null;
    }

    /**
     * Returns the size of the list of objects.
     *
     * @return size
     */
    @Override
    public int getSize() {
        return (comments != null ? comments.length : 0);
    }

    @Override
    public void removeListDataListener(ListDataListener l) {}

    @Override
    public void addListDataListener(ListDataListener l) {}
}