#pragma once

#ifndef TXshPaletteLevel_INCLUDED
#define TXshPaletteLevel_INCLUDED

#include "toonz/txshlevel.h"
#include "tpalette.h"
#include <map>
#include <set>

#undef DVAPI
#undef DVVAR
#ifdef TOONZLIB_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif

class TContentHistory;

//=============================================================================
//!The TXshPaletteLevel class represents a palette uncoupled from a level
/*!Inherits \b TXshLevel.
\n A palette can be loaded in the xsheet and subsequently can be used as 
   "external palette". The number of frames of the palette-level depends on
   the palette animation.

 */
//=============================================================================

class DVAPI TXshPaletteLevel : public TXshLevel
{

private:
	PERSIST_DECLARATION(TXshPaletteLevel)

	TFilePath m_path;
	TPalette *m_palette;
	TContentHistory *m_contentHistory;

	DECLARE_CLASS_CODE

public:
	/*!
    Constructs a TXshPaletteLevel with \b name
  */
	TXshPaletteLevel(std::wstring name = L"");

	/*!
    Destroys the TXshPaletteLevel object.
  */
	~TXshPaletteLevel();

	/*!
    Return the \b TXshPaletteLevel level (overridden from TXshLevel)
  */
	TXshPaletteLevel *getPaletteLevel() { return this; }

	/*!
    Return the \b TPalette 
    \sa setPalette()
  */
	TPalette *getPalette() const;

	/*!
    Set the level palette to \b palette.
    \sa getPalette()
  */
	void setPalette(TPalette *palette);

	/*!
    Return level path.
    \sa setPath()
  */
	TFilePath getPath() const { return m_path; }

	/*!
    Set level path. 
    \sa getPath()
  */
	void setPath(const TFilePath &path);

	//! Returns the frame count. It depends on the palette animation:
	//! for a not-animated palette getFrameCount() == 1
	int getFrameCount() const;

	void loadData(TIStream &is);
	void saveData(TOStream &os);

	void load();
	void save();
	void save(const TFilePath &fp);

	//! note gets the contentHistory. can be 0
	const TContentHistory *getContentHistory() const { return m_contentHistory; }
	TContentHistory *getContentHistory() { return m_contentHistory; }

	//! destroys the old contentHistory and replaces it with the new one. Gets ownership
	void setContentHistory(TContentHistory *contentHistory);

private:
	// not implemented
	TXshPaletteLevel(const TXshPaletteLevel &);
	TXshPaletteLevel &operator=(const TXshPaletteLevel &);
};

#ifdef _WIN32
template class DV_EXPORT_API TSmartPointerT<TXshPaletteLevel>;
#endif
typedef TSmartPointerT<TXshPaletteLevel> TXshPaletteLevelP;

#endif