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.ui.history;
029
030import org.opencms.gwt.client.Messages;
031import org.opencms.gwt.client.ui.input.CmsComboBox;
032import org.opencms.gwt.client.ui.input.CmsLabelSelectCell;
033import org.opencms.util.CmsStringUtil;
034
035import java.util.Map;
036
037/**
038 * A combo box class for the property dialog.<p>
039 */
040public class CmsPropertyComboBox extends CmsComboBox {
041
042    /**
043     * Creates a new instance.<p>
044     *
045     * @param options the widget options
046     */
047    public CmsPropertyComboBox(Map<String, String> options) {
048        super(options);
049    }
050
051    /**
052     * Initializes this class.<p>
053     */
054    public static void initClass() {
055
056        // do nothing, we just have to implement this method because the superclass inherits the I_CmsHasInit interface
057    }
058
059    /**
060     * @see org.opencms.gwt.client.ui.input.CmsSelectBox#updateCell(org.opencms.gwt.client.ui.input.CmsLabelSelectCell)
061     */
062    @Override
063    public void updateCell(CmsLabelSelectCell cell) {
064
065        String value = cell.getValue();
066        if ("".equals(value)) {
067            if (CmsStringUtil.isEmptyOrWhitespaceOnly(m_ghostValue)) {
068                String unselected = Messages.get().key(Messages.GUI_SELECTBOX_UNSELECTED_0);
069                cell.setText(unselected);
070                cell.setOpenerText(unselected);
071            } else {
072                CmsLabelSelectCell ghostCell = m_selectCells.get(m_ghostValue);
073                String ghostValueMessage = m_ghostValue;
074                if (ghostCell != null) {
075                    ghostValueMessage = ghostCell.getText();
076                }
077                String inheritMsg = Messages.get().key(Messages.GUI_SELECTBOX_INHERIT_1, ghostValueMessage);
078                cell.setText(inheritMsg);
079                cell.setOpenerText(ghostValueMessage);
080            }
081        }
082    }
083
084}