001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (C) Alkacon Software (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.property;
029
030import org.opencms.gwt.client.Messages;
031import org.opencms.gwt.client.ui.input.CmsLabelSelectCell;
032import org.opencms.gwt.client.ui.input.CmsSelectBox;
033import org.opencms.util.CmsStringUtil;
034
035import java.util.Map;
036
037/**
038 * This is just a select box with some special text messages for use in the property dialog.<p>
039 */
040public class CmsPropertySelectBox extends CmsSelectBox {
041
042    /**
043     * Creates a new instance.<p>
044     *
045     * @param options the widget options
046     */
047    public CmsPropertySelectBox(Map<String, String> options) {
048
049        super(options, true);
050    }
051
052    /**
053     * Initializes this class.<p>
054     */
055    public static void initClass() {
056
057        // do nothing, we just have to implement this method because the superclass inherits the I_CmsHasInit interface
058    }
059
060    /**
061     * @see org.opencms.gwt.client.ui.input.CmsSelectBox#updateCell(org.opencms.gwt.client.ui.input.CmsLabelSelectCell)
062     */
063    @Override
064    public void updateCell(CmsLabelSelectCell cell) {
065
066        String value = cell.getValue();
067        if ("".equals(value)) {
068            if (CmsStringUtil.isEmptyOrWhitespaceOnly(m_ghostValue)) {
069                String unselected = Messages.get().key(Messages.GUI_SELECTBOX_UNSELECTED_0);
070                cell.setText(unselected);
071                cell.setOpenerText(unselected);
072            } else {
073                CmsLabelSelectCell ghostCell = m_selectCells.get(m_ghostValue);
074                String ghostValueMessage = m_ghostValue;
075                if (ghostCell != null) {
076                    ghostValueMessage = ghostCell.getText();
077                }
078                String inheritMsg = Messages.get().key(Messages.GUI_SELECTBOX_INHERIT_1, ghostValueMessage);
079                cell.setText(inheritMsg);
080                cell.setOpenerText(ghostValueMessage);
081            }
082        }
083    }
084
085    /**
086     * @see org.opencms.gwt.client.ui.input.CmsSelectBox#updateStyle()
087     */
088    @Override
089    public void updateStyle() {
090
091        if (CmsStringUtil.isEmptyOrWhitespaceOnly(m_selectedValue)) {
092            addStyleName(CSS.noSelectionSelectBox());
093        } else {
094            removeStyleName(CSS.noSelectionSelectBox());
095        }
096    }
097
098}