content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library 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
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.ui.apps.modules.edit;
  
  import org.opencms.ui.components.CmsAutoItemCreatingComboBox;
  import org.opencms.util.CmsFileUtil;
  
  import java.util.Arrays;
  
  import com.vaadin.v7.data.Container;
  
  /**
   * Helper class used when new options are automatically added to a site selector combo box.<p>
   */
  public class CmsSiteSelectorNewValueHandler implements CmsAutoItemCreatingComboBox.I_NewValueHandler {
  
      /** The property containing the caption. */
      private String m_captionPropertyId;
  
      /**
       * Creates a new instance.<p>
       *
       * @param captionPropertyId the item property containing the caption
       */
      public CmsSiteSelectorNewValueHandler(String captionPropertyId) {
  
          m_captionPropertyId = captionPropertyId;
      }
  
      /**
       * @see org.opencms.ui.components.CmsAutoItemCreatingComboBox.I_NewValueHandler#ensureItem(com.vaadin.v7.data.Container, java.lang.Object)
       */
      public Object ensureItem(Container cnt, Object id) {
  
          if (id == null) {
              return null;
          }
          String idStr = (String)id;
          for (String path : Arrays.asList(idStr, CmsFileUtil.toggleTrailingSeparator(idStr))) {
              if (cnt.containsId(path)) {
                  return path;
              }
          }
          idStr = CmsFileUtil.addTrailingSeparator(idStr);
          cnt.addItem(idStr).getItemProperty(m_captionPropertyId).setValue(idStr);
          return idStr;
      }
  }
  