/***************************************************************************
 * E-Com Technology Ltd.
 *
 * ECOMPACS DICOM Network Transport Libraries * Version 0.1 Beta
 ***************************************************************************/

#ifndef	_DICOM_DICOM_DIR_
#define	_DICOM_DICOM_DIR_


//////////////////////////////////////////////////////////////////////
// class DicomDir
class	DICOM_API DicomDir : public DICOMFile
{
public:
	DicomDir	();
	BOOL		ReadDicomDir  (const char * FileName);
	BOOL		WriteDicomDir (const char * FileName, const char * FileSetID, const char * FileSetDesc);

	BOOL		CreateDicomDir (const char * Path, const char * FileSetID, const char * FileSetDesc);

	BOOL		AddDicomFile (const char * FileName);
	void		SetPath  (const char * Path);

public:
	BOOL		m_bAddIcon;

protected:

	BOOL		AddPatient (DICOMVRSet * VRS, DICOMFile * DicomFile);
	BOOL		AddStudy   (DICOMVRSet * VRS, DICOMFile * DicomFile);
	BOOL		AddSeries  (DICOMVRSet * VRS, DICOMFile * DicomFile);
	BOOL		AddImage   (DICOMVRSet * VRS, DICOMFile * DicomFile);

	virtual		BOOL	BuildMetaHead (void) const;
	BOOL LoadOneSequence (UINT32 Offset, DICOMDataSet * DDS);
	BOOL LoadSQ (DICOMDataSet * DDS, DICOMDataSet * PDDS);

protected:
	DString		m_CurrentPath;


public:
	class DICOM_API Iterator
	{
	public:
		Iterator (DicomDir & dir);
		Iterator (Iterator & Iter);

		~Iterator ()
		{
			if (m_pIter)
				delete m_pIter;
		}

		void operator ++ ()
		{
			Next ();
		}

		void operator ++ (int)
		{
			Next ();
		}

		void Next (void)
		{
			(*m_pIter) ++;
			if (*m_pIter)
				m_VRS = m_pIter->Current ();
		}

		DICOMVRSet & operator () (void)
		{
			return *m_VRS;
		}

		DICOMVRSet & Current (void)
		{
			return *m_VRS;
		}

		operator bool ()
		{
			if (! m_pIter)
				return false;
			return (*m_pIter);
		}

	protected:
		Array <DICOMVRSet *>::Iterator * m_pIter;
		DICOMVRSet * m_VRS;
	};
};

//////////////////////////////////////////////////////////////////////

#endif