text: //
  // Copyright (C) OpenSim Ltd.
  //
  // This program 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
  // of the License, or (at your option) any later version.
  //
  // This program 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.
  //
  // You should have received a copy of the GNU Lesser General Public License
  // along with this program; if not, see <http://www.gnu.org/licenses/>.
  //
  
  #ifndef __INET_INTERFACETABLEVISUALIZERBASE_H
  #define __INET_INTERFACETABLEVISUALIZERBASE_H
  
  #include "inet/linklayer/common/MACAddress.h"
  #include "inet/networklayer/common/InterfaceEntry.h"
  #include "inet/visualizer/base/VisualizerBase.h"
  #include "inet/visualizer/util/Displacement.h"
  #include "inet/visualizer/util/InterfaceFilter.h"
  #include "inet/visualizer/util/NetworkNodeFilter.h"
  #include "inet/visualizer/util/StringFormat.h"
  
  namespace inet {
  
  namespace visualizer {
  
  class INET_API InterfaceTableVisualizerBase : public VisualizerBase, public cListener
  {
    protected:
      class INET_API InterfaceVisualization {
        public:
          const int networkNodeId = -1;
          const int interfaceId = -1;
  
        public:
          InterfaceVisualization(int networkNodeId, int interfaceId);
          virtual ~InterfaceVisualization() {}
      };
  
      class DirectiveResolver : public StringFormat::IDirectiveResolver {
        protected:
          const InterfaceEntry *interfaceEntry = nullptr;
          std::string result;
  
        public:
          DirectiveResolver(const InterfaceEntry *interfaceEntry) : interfaceEntry(interfaceEntry) { }
  
          virtual const char *resolveDirective(char directive) override;
      };
  
    protected:
      /** @name Parameters */
      //@{
      bool displayInterfaceTables = false;
      bool displayWiredInterfacesAtConnections = false;
      bool displayBackground = false;
      NetworkNodeFilter nodeFilter;
      InterfaceFilter interfaceFilter;
      StringFormat format;
      Displacement displacementHint;
      double displacementPriority;
      cFigure::Font font;
      cFigure::Color textColor;
      cFigure::Color backgroundColor;
      double opacity = NaN;
      //@}
  
      std::map<std::pair<int, int>, const InterfaceVisualization *> interfaceVisualizations;
  
    protected:
      virtual void initialize(int stage) override;
      virtual void handleParameterChange(const char *name) override;
  
      virtual void subscribe();
      virtual void unsubscribe();
  
      virtual InterfaceVisualization *createInterfaceVisualization(cModule *networkNode, InterfaceEntry *interfaceEntry) = 0;
      virtual const InterfaceVisualization *getInterfaceVisualization(cModule *networkNode, InterfaceEntry *interfaceEntry);
      virtual void addInterfaceVisualization(const InterfaceVisualization *interfaceVisualization);
      virtual void addAllInterfaceVisualizations();
      virtual void removeInterfaceVisualization(const InterfaceVisualization *interfaceVisualization);
      virtual void removeAllInterfaceVisualizations();
      virtual void updateAllInterfaceVisualizations();
  
      virtual std::string getVisualizationText(const InterfaceEntry *interfaceEntry);
      virtual void refreshInterfaceVisualization(const InterfaceVisualization *interfaceVisualization, const InterfaceEntry *interfaceEntry) = 0;
  
    public:
      virtual ~InterfaceTableVisualizerBase();
  
      virtual void receiveSignal(cComponent *source, simsignal_t signal, cObject *object, cObject *details) override;
  };
  
  } // namespace visualizer
  
  } // namespace inet
  
  #endif // ifndef __INET_INTERFACETABLEVISUALIZERBASE_H
  
  