text: /***************************************************************************
   *   Copyright (c) 2015 Stefan Tröger <stefantroeger@gmx.net>              *
   *                                                                         *
   *   This file is part of the FreeCAD CAx development system.              *
   *                                                                         *
   *   This library is free software; you can redistribute it and/or         *
   *   modify it under the terms of the GNU Library General Public           *
   *   License as published by the Free Software Foundation; either          *
   *   version 2 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 Library General Public License for more details.                  *
   *                                                                         *
   *   You should have received a copy of the GNU Library General Public     *
   *   License along with this library; see the file COPYING.LIB. If not,    *
   *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
   *   Suite 330, Boston, MA  02111-1307, USA                                *
   *                                                                         *
   ***************************************************************************/
  
  
  #ifndef PARTGUI_ViewProviderAddSub_H
  #define PARTGUI_ViewProviderAddSub_H
  
  #include "ViewProvider.h"
  #include <Mod/Part/Gui/SoBrepFaceSet.h>
  
  namespace PartDesignGui {
  
  class PartDesignGuiExport ViewProviderAddSub : public ViewProvider
  {
      PROPERTY_HEADER(PartDesignGui::ViewProviderAddSub);
  
  public:
      /// constructor
      ViewProviderAddSub();
      /// destructor
      virtual ~ViewProviderAddSub();
      
      virtual void attach(App::DocumentObject*);
      virtual void updateData(const App::Property*);
      
  protected: 
      void updateAddSubShapeIndicator();
      void setPreviewDisplayMode(bool);
      
      SoSeparator*                previewShape;
      PartGui::SoBrepFaceSet*     previewFaceSet;
      SoCoordinate3*              previewCoords;
      SoNormal*                   previewNorm;
  
  private:
      int                         whichChild;
      std::string                 displayMode;
  };
  
  } // namespace PartDesignGui
  
  
  #endif // PARTGUI_ViewProviderBoolean_H
  