Cppcheck - HTML report - digiKam-nl-search-more-criteria-rev-e2466e0973

# Cppcheck report - digiKam-nl-search-more-criteria-rev-e2466e0973: ../../core/utilities/geolocation/geoiface/correlator/track_listmodel.cpp

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    /* ============================================================
     *
     * This file is a part of digiKam project
     * https://www.digikam.org
     *
     * Date        : 2014-06-09
     * Description : A model to list the tracks
     *
     * SPDX-FileCopyrightText: 2014-2026 by Gilles Caulier <caulier dot gilles at gmail dot com>
     * SPDX-FileCopyrightText: 2014      by Michael G. Hansen <mike at mghansen dot de>
     *
     * SPDX-License-Identifier: GPL-2.0-or-later
     *
     * ============================================================ */

    #include "track_listmodel.h"

    // KDE includes

    #include <klocalizedstring.h>

    // Local includes

    namespace Digikam
    {

    enum TrackColumns
    {
        ColumnVisible  = 0,
        ColumnNPoints  = 1,
        ColumnFilename = 2,
        ColumnCount    = 3
    };

    class Q_DECL_HIDDEN TrackListModel::Private
    {
    public:

        Private() = default;

        TrackManager* trackManager = nullptr;
    };

    TrackListModel::TrackListModel(TrackManager* const trackManager, QObject* const parent)
        : QAbstractItemModel(parent),
          d                 (new Private)
    {
        d->trackManager = trackManager;

        connect(d->trackManager, SIGNAL(signalAllTrackFilesReady()),
                this, SLOT(slotTrackManagerUpdated()));
    }

    TrackListModel::~TrackListModel()
    {
    }

    int TrackListModel::columnCount(const QModelIndex& parent) const<--- Shadow argument
    {
        Q_UNUSED(parent);

        return ColumnCount;
    }

    bool TrackListModel::setData(const QModelIndex& index, const QVariant& value, int role)<--- Shadow argument
    {
        Q_UNUSED(index);
        Q_UNUSED(value);
        Q_UNUSED(role);

        return false;
    }

    QVariant TrackListModel::data(const QModelIndex& index, int role) const<--- Shadow argument
    {
        if (index.isValid())
        {
            Q_ASSERT(index.model() == this);
        }

        const int rowNumber    = index.row();
        const int columnNumber = index.column();

        if (
            (columnNumber < 0) || (columnNumber >= ColumnCount) ||
            (rowNumber < 0)    || (rowNumber >= d->trackManager->trackCount())
           )
        {
            return QVariant();
        }

        TrackManager::Track track = d->trackManager->getTrackById(index.internalId());

        if (track.id == 0)
        {
            // track not found, invalid id

            return QVariant();
        }

        switch (role)
        {
            case Qt::DisplayRole:
            {
                switch (columnNumber)
                {
                    case ColumnFilename:
                    {
                        return track.url.fileName();
                    }

                    case ColumnNPoints:
                    {
                        return QString::number(track.points.count());
                    }

                    case ColumnVisible:
                    {
                        return QString();
                    }
                }

                break;
            }

            case Qt::BackgroundRole:
            case Qt::DecorationRole:
            {
                switch (columnNumber)
                {
                    case ColumnVisible:
                    {
                        return track.color;
                    }
                }

                break;
            }
        }

        return QVariant();
    }

    QModelIndex TrackListModel::index(int row, int column, const QModelIndex& parent) const<--- Shadow argument
    {
        if (parent.isValid())
        {
            Q_ASSERT(parent.model() == this);

            return QModelIndex();
        }

        if (
            (column < 0) || (column >= ColumnCount) ||
            (row < 0)    || (row >= d->trackManager->trackCount())
           )
        {
            return QModelIndex();
        }

        const TrackManager::Track track = d->trackManager->getTrack(row);

        /// @todo We have to use quint32 for track ids

        return createIndex(row, column, quint32(track.id));
    }

    QModelIndex TrackListModel::parent(const QModelIndex& index) const<--- Shadow argument
    {
        if (index.isValid())
        {
            Q_ASSERT(index.model()==this);
        }

        // we have only top level items

        return QModelIndex();
    }

    int TrackListModel::rowCount(const QModelIndex& parent) const<--- Shadow argument
    {
        if (parent.isValid())
        {
            Q_ASSERT(parent.model() == this);

            return 0;
        }

        return d->trackManager->trackCount();
    }

    bool TrackListModel::setHeaderData(int section, Qt::Orientation orientation, const QVariant& value, int role)
    {
        Q_UNUSED(section);
        Q_UNUSED(orientation);
        Q_UNUSED(value);
        Q_UNUSED(role);

        return false;
    }

    QVariant TrackListModel::headerData(int section, Qt::Orientation orientation, int role) const
    {
        if ((section >= ColumnCount) || (orientation != Qt::Horizontal) )
        {
            return false;
        }

        if (role != Qt::DisplayRole)
        {
            return QAbstractItemModel::headerData(section, orientation, role);
        }

        /// @todo Make color and #points sections more narrow
        /// @todo Display visible state and make it toggable

        switch (section)
        {
            case ColumnVisible:
            {
                return i18nc("@title: track list header", "Color");
            }

            case ColumnFilename:
            {
                return i18nc("@title: track list header", "Filename");
            }

            case ColumnNPoints:
            {
                return i18nc("@title: track list header", "#points");
            }
        }

        return false;
    }

    Qt::ItemFlags TrackListModel::flags(const QModelIndex& index) const<--- Shadow argument
    {
        if (!index.isValid())
        {
            return Qt::NoItemFlags;
        }
        else
        {
            Q_ASSERT(index.model() == this);
        }

        return QAbstractItemModel::flags(index);
    }

    void Digikam::TrackListModel::slotTrackManagerUpdated()
    {
        /// @todo The TrackManager should send more detailed reports

        beginResetModel();
        endResetModel();
    }

    TrackManager::Track TrackListModel::getTrackForIndex(const QModelIndex& index) const<--- Shadow argument
    {
        if (index.isValid())
        {
            return d->trackManager->getTrackById(index.internalId());
        }

        return TrackManager::Track();
    }

    } // namespace Digikam

    #include "moc_track_listmodel.cpp"