File indexing completed on 2024-04-28 03:45:38

 // SPDX-FileCopyrightText: 2007-2010 Peter Hedlund <peter.hedlund@kdemail.net>
 // SPDX-FileCopyrightText: 2023 Carl Schwan <carl@carlschwan.eu>
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
 #include <QSortFilterProxyModel>
 #include "kwqcardmodel.h"
 
 /// Randomize the order of the items contained inside the KWQCardModel
 ///
 /// \author Peter Hedlund <peter.hedlund@kdemail.net>
 class KWQRandomSortModel : public QSortFilterProxyModel
 {
     Q_OBJECT
     Q_PROPERTY(KWQCardModel *cardModel READ cardModel WRITE setCardModel NOTIFY cardModelChanged)
     Q_PROPERTY(bool showErrorsOnly READ showErrorsOnly WRITE setShowErrorsOnly NOTIFY showErrorsOnlyChanged)
 
 public:
     enum ExtraRoles {
         MultipleChoiceRole = KWQCardModel::ExtraUserRoles + 1,
     };
 
     explicit KWQRandomSortModel(QObject *parent = nullptr);
 
     KWQCardModel *cardModel() const;
     void setCardModel(KWQCardModel *cardModel);
 
     bool showErrorsOnly() const;
     void setShowErrorsOnly(const bool showErrorsOnly);
 
     QVariant data(const QModelIndex &index, int role) const override;
     QHash<int, QByteArray> roleNames() const override;
 
 public Q_SLOTS:
     void reset();
     void restoreNativeOrder();
     void shuffle();
     void markAsError(const int row);
     void unMarkAsError(const int row);
 
 Q_SIGNALS:
     void cardModelChanged();
     void showErrorsOnlyChanged();
 
 protected:
     bool lessThan(const QModelIndex &left, const QModelIndex &right) const override;
     bool filterAcceptsRow(const int sourceRow, const QModelIndex &sourceParent) const override;
 private:
     KWQCardModel * m_sourceModel;
 
     enum Mode {
         QuestionInLeftColumn = 1,
         QuestionInRightColumn = 2,
     };
     void setRandomModes();
 
     bool m_showErrorsOnly = false;
     bool m_restoreNativeOrder = false;
     bool m_shuffle = false;
     QList<int> m_shuffleList;
     QList<int> m_errors;
     QList<Mode> m_modes;
 };