001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.gwt.client.util;
029
030import org.opencms.gwt.client.ui.CmsListItemWidget.AdditionalInfoItem;
031
032import java.util.List;
033
034import com.google.gwt.user.client.rpc.AsyncCallback;
035
036/**
037 * This interface defines an additional info loader for a {@link org.opencms.gwt.client.ui.CmsListItemWidget}.<p>
038 *
039 * @since 8.0.0
040 */
041public interface I_CmsAdditionalInfoLoader {
042
043    /**
044     * Triggers a load operation for additional info items.<p>
045     *
046     * @param callback the callback to which the result of the load operation will be passed
047     */
048    void load(AsyncCallback<List<AdditionalInfoItem>> callback);
049
050}