/***************************************************************************

    source::worx xtree
    Copyright © 2024-2025 c.holzheuer
    christoph.holzheuer@gmail.com

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

***************************************************************************/


#ifndef XQSECTIONMANAGER_H
#define XQSECTIONMANAGER_H

#include <QPersistentModelIndex>

#include <xqmaptor.h>
#include <xqitem.h>




//!  Daten zur beschreibung einer 'sektion' des models.

class XQModelSection
{

public:


  XQModelSection() = default;
  XQModelSection(const QModelIndex& modelIndex, XQNodePtr sheetNode );

  bool operator==(const XQModelSection& other) const;
  bool isValid() const;
  int row() const;

  QModelIndex        persistentModelIndex() const;
  XQNodePtr          sectionRootNode() const;
  XQNodePtr          sheetRootNode() const;
  XQNodePtr          contentRootNode() const;
  void               setContentRootNode( const XQNodePtr dataRootNode ) const;

  const QString& contentType() const;
  XQItem& headerItem() const;

protected:

  QPersistentModelIndex _modelIndex;

  mutable XQNodePtr _sectionRootNode{};
  mutable XQNodePtr _contentRootNode{};

};

Q_DECLARE_METATYPE(XQModelSection)

//!  Erste und letzte ziele einer XQModelSection
struct XQSectionPos
{
  int firstRow{-1};
  int lastRow{-1};
};


//! struktur, die alle sections enthält

class XQSectionManager
{
public:

  bool  hasValidSection(const QString& sectionKey) const;

  const XQModelSection& sectionByKey( const QString& sectionKey );
  const XQModelSection& sectionByRow( int row ) const;
  const XQModelSection& sectionByIndex( const QModelIndex& index ) const;

  const XQModelSection& createSection(const QString& sectionKey, const QModelIndex& modelIndex, XQNodePtr sheetNode);

  /*
  int firstRow(const QModelIndex& idx) const;
  int lastRow(const QModelIndex& idx) const;
  int lastRow(const XQModelSection& section) const;
  */

  XQSectionPos sectionPos();

  void dump()const;

protected:

  XQMaptor<XQModelSection> _sections;

};

#endif // XQSECTIONMANAGER_H