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.gwt.client.ui.history;
  
  import org.opencms.gwt.shared.CmsHistoryResourceBean;
  
  /**
   * Interface for classes which implement the actions that can be triggered from the history dialog.<p>
   *
   */
  public interface I_CmsHistoryActionHandler {
  
      /**
       * Reverts a resource to a given historical state.<p>
       *
       * @param historyRes the historical resource to which the resource should be reverted
       */
      void revert(CmsHistoryResourceBean historyRes);
  
      /**
       * Sets the action which should be executed after reverting the resource.<p>
       *
       * @param action the action
       */
      void setPostRevertAction(Runnable action);
  
      /**
       * Show the preview for a given historical resource.<p>
       *
       * @param historyRes the history resource
       */
      void showPreview(CmsHistoryResourceBean historyRes);
  
  }
  