/*
 *
 *  Copyright (C) 1998-2012, OFFIS e.V.
 *  All rights reserved.  See COPYRIGHT file for details.
 *
 *  This software and supporting documentation were developed by
 *
 *    OFFIS e.V.
 *    R&D Division Health
 *    Escherweg 2
 *    D-26121 Oldenburg, Germany
 *
 *
 *  Module: dcmpstat
 *
 *  Author: Marco Eichelberg
 *
 *  Purpose:
 *    classes: DVPSPresentationLUT_PList
 *
 */

#ifndef DVPSPLL_H
#define DVPSPLL_H

#include "dcmtk/config/osconfig.h"    /* make sure OS specific configuration is included first */
#include "dcmtk/dcmpstat/dvpstyp.h"     /* for enum types */
#include "dcmtk/dcmpstat/dpdefine.h"
#include "dcmtk/ofstd/oflist.h"
#include "dcmtk/dcmnet/dimse.h"

class DVPSPresentationLUT;
class DVPSImageBoxContent_PList;

/** the list of presentation LUTs contained in a stored print object.
 *  This class manages the data structures comprising one complete
 *  Presentation LUT Content Sequence.
 */

class DCMTK_DCMPSTAT_EXPORT DVPSPresentationLUT_PList
{
public:
  /// default constructor
  DVPSPresentationLUT_PList();

  /// copy constructor
  DVPSPresentationLUT_PList(const DVPSPresentationLUT_PList& copy);

  /** clone method.
   *  @return a pointer to a new DVPSPresentationLUT_PList object containing
   *  a deep copy of this object.
   */
  DVPSPresentationLUT_PList *clone() { return new DVPSPresentationLUT_PList(*this); }

  /// destructor
  virtual ~DVPSPresentationLUT_PList();

  /** reads a list of Presentation LUTs (Presentation LUT Content Sequence) from a DICOM dataset.
   *  The DICOM elements of the image references item are copied from the dataset to this object.
   *  The completeness of all items (presence of all required elements,
   *  value multiplicity) is checked.
   *  If this method returns an error code, the object is in undefined state afterwards.
   *  @param dset the DICOM dataset from which the sequence is to be read
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition read(DcmItem &dset);

  /** writes the list of Presentation LUTs managed by this object to a DICOM dataset.
   *  Copies of the DICOM element managed by this object are inserted into
   *  the DICOM dataset.
   *  @param dset the DICOM dataset to which the ReferencedImageSequence is written
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition write(DcmItem &dset);

  /** reset the object to initial state.
   *  After this call, the object is in the same state as after
   *  creation with the default constructor.
   */
  void clear();

  /** gets the number of Presentation LUTs in this list.
   *  @return the number of Presentation LUTs.
   */
  size_t size() const { return list_.size(); }

  /** finds a presentation LUT by its SOP instance UID.
   *  @param instanceUID SOP instance UID
   *  @return pointer to matching presentation LUT if found, NULL otherwise.
   */
  DVPSPresentationLUT *findPresentationLUT(const char *instanceUID);

  /** removes all presentation LUT entries that are not
   *  referenced from the film box or image box level.
   *  @param filmBox Presentation LUT UID reference on film box level, may be NULL.
   *  @param imageBoxes list of image boxes
   */
  void cleanup(const char *filmBox, DVPSImageBoxContent_PList& imageBoxes);

  /** adds a Presentation LUT to the list of managed LUTs.
   *  The referenced LUT is copied. If an identical LUT already exists,
   *  no duplicate is created.
   *  @param newLUT pointer to new Presentation LUT. May be NULL.
   *  @param inversePLUT true if presentation LUT is for Monochrome1 and must be inversed.
   *  @return UID of referenced Presentation LUT. May be NULL (if input was NULL).
   */
  const char *addPresentationLUT(DVPSPresentationLUT *newLUT, OFBool inversePLUT);

  /** adds a Presentation LUT to the list of managed LUT. The LUT object becomes
   *  owned by this object and is destroyed upon destruction of the list.
   *  @param newLUT LUT to be added.
   */
  void insert(DVPSPresentationLUT *newLUT) { if (newLUT) list_.push_back(newLUT); }

  /** performs a Print SCP Presentation LUT N-DELETE operation.
   *  The results of the N-DELETE operation are stored in the object passed as rsp.
   *  @param rq N-DELETE request message
   *  @param rsp N-DELETE response message
   */
  void printSCPDelete(T_DIMSE_Message& rq, T_DIMSE_Message& rsp);

private:

  /** private undefined assignment operator
   */
  DVPSPresentationLUT_PList& operator=(const DVPSPresentationLUT_PList&);

  /** the list maintained by this object
   */
  OFList<DVPSPresentationLUT *> list_;

};


#endif