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 com.google.gwt.dom.client.Element;
  import com.google.gwt.user.client.ui.FlowPanel;
  import com.google.gwt.user.client.ui.HTML;
  
  /**
   * Client side widget to display an OpenCms report.<p>
   */
  public class CmsClientReportWidget extends FlowPanel {
  
      /** The widget containing the report content HTML. */
      private HTML m_reportContent = new HTML();
  
      /**
       * Creates a new instance.<p>
       */
      public CmsClientReportWidget() {
  
          add(m_reportContent);
          addStyleName("o-report");
          m_reportContent.addStyleName("o-report-content");
      }
  
      /**
       * Appends the given HTML to the report content.<p>
       *
       * Also scrolls to the bottom of the
       *
       * @param html the HTML to append
       */
      public void append(String html) {
  
          if ((html != null) && (html.length() > 0)) {
              appendHtmlInternal(m_reportContent.getElement(), html);
              scrollToBottom(getElement(), m_reportContent.getElement());
          }
      }
  
      /**
       * Appends HTML to the content.<p>
       *
       * @param element the report content element
       * @param html the HTML to append
       */
      private native void appendHtmlInternal(Element element, String html) /*-{
          element.insertAdjacentHTML('beforeend', html);
      }-*/;
  
      /**
       * Scrolls to the bottom.<p>
       *
       * @param element the report widget element
       * @param content the report content element
       */
      private native void scrollToBottom(Element element, Element content) /*-{
  
          element.scrollTop = content.offsetHeight;
  
      }-*/;
  }
  