RealDataTreeModel.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/View/Import/RealDataTreeModel.h
//! @brief     Defines class RealDataTreeModel
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2021
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#ifndef BORNAGAIN_GUI_VIEW_IMPORT_REALDATATREEMODEL_H
#define BORNAGAIN_GUI_VIEW_IMPORT_REALDATATREEMODEL_H
 
#include <QAbstractItemModel>
#include <QSet>
 
class RealDataModel;
class RealDataItem;
 
//! Tree model for real data item selection. Used for the tree in the import view.
class RealDataTreeModel : public QAbstractItemModel {
public:
    explicit RealDataTreeModel(QObject* parent, RealDataModel* model);
    void setVisibleRanks(QSet<int> visibleRanks);
 
    QModelIndex index(int row, int column,
                      const QModelIndex& parent = QModelIndex()) const override;
 
    QModelIndex parent(const QModelIndex& index) const override;
    int columnCount(const QModelIndex& parent = QModelIndex()) const override;
    int rowCount(const QModelIndex& parent = QModelIndex()) const override;
    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
    Qt::ItemFlags flags(const QModelIndex& index) const override;
    bool setData(const QModelIndex& index, const QVariant& value, int role) override;
    RealDataItem* itemForIndex(const QModelIndex& index) const;
    QModelIndex indexForItem(RealDataItem* item) const;
 
    void refreshAfterModelChange();
 
    void removeItem(RealDataItem* item);
    RealDataItem* insertSpecularDataItem();
    RealDataItem* insertIntensityDataItem();
    RealDataItem* insertDataItem(int rank);
 
    //! The topmost visible item. Can be null of course.
    RealDataItem* topMostItem() const;
 
    QModelIndex indexOfHeadline(int rank) const;
    bool isHeadline(const QModelIndex& index) const;
 
private:
    void updateSubscriptions();
    void onContentsProcessed(RealDataItem* item);
    void clear();
 
private:
    RealDataModel* m_model = nullptr;
    QVector<RealDataItem*> m_items[2]; //< Items borrowed from realDataModel. Never delete the ptrs!
    QSet<int> m_visibleRanks;
};
 
#endif // BORNAGAIN_GUI_VIEW_IMPORT_REALDATATREEMODEL_H