#pragma once

#ifndef _CONTENT_HISTORY_H

#define _CONTENT_HISTORY_H

#include "tcommon.h"

#include "tfilepath.h"

#include <qstring></qstring>

#include <qdatetime></qdatetime>

#include <map></map>

#include <set></set>

#undef DVAPI

#undef DVVAR

#ifdef TNZCORE_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

//! this class keeps tracks of modification times on contents, as well as user

//! and machine info;

//! typically used for levels and scene files (or whatever you like...)

// it is used for visualitation purposed only in the infoview, in example

class DVAPI TContentHistory {

  bool m_isLevel;

  std::map<tframeid, qdatetime=""> m_records;</tframeid,>

  QString m_frozenHistory;

  const QString currentToString() const;

public:

  //! set isLevel=true if you want to keep track of single-frames modifications

  TContentHistory(bool isLevel);

  ~TContentHistory();

  TContentHistory *clone() const;

  //! history can come only from a deserialization

  //! WARNING! any preexistent history will be erased by calling this method

  void deserialize(const QString &history);

  //! the returned string is only for visualitation and serialization

  const QString serialize() const;

  //! after calling this method, following history info added will not "merge"

  //! with the history until now

  void fixCurrentHistory();

  //! do not call this 2 methods if isLevel==false! (assertion fails)

  void frameModifiedNow(const TFrameId &id) { frameRangeModifiedNow(id, id); }

  void frameRangeModifiedNow(const TFrameId &fromId, const TFrameId &toId);

  //! do not call this method if isLevel==true! (assertion fails)

  void modifiedNow();

};

#endif