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.client;
  
  import org.opencms.ui.shared.CmsVaadinConstants;
  
  import com.google.gwt.user.client.Element;
  import com.vaadin.client.VLoadingIndicator;
  
  /**
   * Replacement for the standard Vaadin loading indicator which adds some custom HTML.<p>
   */
  @SuppressWarnings("deprecation")
  public class CmsLoadingIndicator extends VLoadingIndicator {
  
      /**
       * @see com.vaadin.client.VLoadingIndicator#getElement()
       */
      @Override
      public Element getElement() {
  
          Element element = super.getElement();
          if (element.getChildCount() == 0) {
              element.setInnerHTML(CmsVaadinConstants.LOADING_INDICATOR_HTML);
          }
          return element;
      }
  
  }
  