floorlevelmodel.h

/*
    SPDX-FileCopyrightText: 2020 Volker Krause <vkrause@kde.org>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#ifndef KOSMINDOORMAP_FLOORLEVELMODEL_H
#define KOSMINDOORMAP_FLOORLEVELMODEL_H
 
#include <kosmindoormap_export.h>
 
#include <QAbstractListModel>
 
#include <vector>
 
namespace KOSMIndoorMap {
 
class MapData;
class MapLevel;
 
/** Floor level model. */
class KOSMINDOORMAP_EXPORT FloorLevelModel : public QAbstractListModel
{
    Q_OBJECT
    Q_PROPERTY(bool hasFloorLevels READ hasFloorLevels NOTIFY contentChanged)
 
public:
    explicit FloorLevelModel(QObject *parent = nullptr);
    ~FloorLevelModel();
 
    enum Roles {
        MapLevelRole = Qt::UserRole
    };
 
    void setMapData(MapData *data);
 
    int rowCount(const QModelIndex &parent = {}) const override;
    QVariant data(const QModelIndex &index, int role) const override;
 
    /** Maps a floor level to a model row index. */
    Q_INVOKABLE int rowForLevel(int level) const;
    /** Maps a row index to a floor level. */
    Q_INVOKABLE int levelForRow(int row) const;
 
    /** Returns @c true when we can still go further down. */
    Q_INVOKABLE bool hasFloorLevelBelow(int level) const;
    /** Returns the floor level below @p level. */
    Q_INVOKABLE int floorLevelBelow(int level) const;
    /** Returns @c true when we can still go further up. */
    Q_INVOKABLE bool hasFloorLevelAbove(int level) const;
    /** Returns the floor level above @p level. */
    Q_INVOKABLE int floorLevelAbove(int level) const;
 
    /** Returns whether the given floor level has an explicit name
     *  obtained from the OSM data.
     */
    Q_INVOKABLE bool hasName(int level) const;
    /** Returns the name for the floor @p level.
     *  This is either an explicitly determined name from the OSM data
     *  or a numeric representation of the floor.
     */
    Q_INVOKABLE QString name(int level) const;
 
    /** We have more than the base/outdoor floor levels. */
    bool hasFloorLevels() const;
 
Q_SIGNALS:
    void contentChanged();
 
private:
    std::vector<MapLevel> m_level;
};
 
}
 
#endif // KOSMINDOORMAP_FLOORLEVELMODEL_H