/*
 * QtMoleculeList.hpp
 *
 *  Created on: Jan 21, 2010
 *      Author: crueger
 */

#ifndef QTMOLECULELIST_HPP_
#define QTMOLECULELIST_HPP_

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <QtGui/QStandardItem>
#include <QtGui/QStandardItemModel>

#include <boost/bimap.hpp>
#include <map>
#include <string>

#include "CodePatterns/Observer/Observer.hpp"

#include "types.hpp"

class molecule;
class MoleculeListClass;
class QtMoleculeListView;

class QtMoleculeList : public QStandardItemModel, public Observer
{
  Q_OBJECT

public:
  QtMoleculeList();
  virtual ~QtMoleculeList();

protected:
  virtual void update(Observable *publisher);
  virtual void recieveNotification(Observable *publisher, Notification_ptr notification);
  virtual void subjectKilled(Observable *publisher);
//  virtual void paintEvent(QPaintEvent * event);
  void refill();

  static const int COLUMNCOUNT;
  enum {NAME,VISIBILITY,ATOMCOUNT,FORMULA,OCCURRENCE,COLUMNTYPES_MAX} COLUMNTYPES;
  static const char *COLUMNNAMES[];

  QVariant headerData(int section, Qt::Orientation orientation, int role) const;

private slots:
  void moleculeChanged();
//  void visibilityChanged(QStandardItem*, int);

//  void rowsSelected(const QItemSelection & selected, const QItemSelection & deselected);


signals:
  void moleculeSelected(molecule*);
  void moleculeUnSelected(molecule*);
  void moleculesVisibilityChanged(const moleculeId_t, bool);

private:
  bool dirty;
  bool clearing;
  bool selecting;
  bool changing;
  bool ChangingChildrensVisibility;

  friend class QtMoleculeListView;
  QStandardItem * MoleculeToItem(const molecule * const _mol);

  void addItem(const molecule * const _mol);
  void addGroupItem(QStandardItem *&mainitem, const std::string &_molecule_formula);
  void addMoleculeItem(QStandardItem *_groupitem, const molecule *_mol, const std::string &molecule_formula);
  void removeItem(const molecule * const _mol);

  typedef std::map<std::string, unsigned int> FormulaVisibilityCountMap_t;
  FormulaVisibilityCountMap_t FormulaVisibilityCountMap;

  typedef std::map<std::string, QStandardItem*> FormulaTreeItemMap_t;
  //!> map of (unique) formulas in the world
  FormulaTreeItemMap_t formula;

  typedef boost::bimap<const molecule *, QStandardItem*> MoleculeItemBiMap_t;
  MoleculeItemBiMap_t MoleculeItemBiMap;
};

#endif /* QTMOLECULELIST_HPP_ */