File indexing completed on 2024-12-08 06:35:35

 // SPDX-License-Identifier: LGPL-2.1-or-later
 //
 // SPDX-FileCopyrightText: 2011-2012 Florian Eßer <f.esser@rwth-aachen.de>
 // SPDX-FileCopyrightText: 2012 Bernhard Beschow <bbeschow@cs.tu-berlin.de>
 // SPDX-FileCopyrightText: 2013 Roman Karlstetter <roman.karlstetter@googlemail.com>
 //
 
 #ifndef ELEVATIONPROFILEDATASOURCE_H
 #define ELEVATIONPROFILEDATASOURCE_H
 
 #include <QObject>
 
 #include <QHash>
 #include <QList>
 #include <QPointF>
 #include <QStringList>
 
 namespace Marble
 {
 
 class ElevationModel;
 class GeoDataCoordinates;
 class GeoDataLineString;
 class GeoDataObject;
 class GeoDataTrack;
 class GeoDataTreeModel;
 class RoutingModel;
 
 class ElevationProfileDataSource : public QObject
 {
     Q_OBJECT
 
 public:
     explicit ElevationProfileDataSource( QObject *parent = nullptr );
 
     /**
      * @brief isDataAvailable
      * @return true if data is available to display
      */
     virtual bool isDataAvailable() const = 0;
 
 public Q_SLOTS:
     virtual void requestUpdate() = 0;
 
 Q_SIGNALS:
     void sourceCountChanged();
     void dataUpdated(const GeoDataLineString &points, const QVector<QPointF> &elevationData);
 
 protected:
     QVector<QPointF> calculateElevationData(const GeoDataLineString &lineString) const;
     virtual qreal getElevation(const GeoDataCoordinates &coordinates) const = 0;
 };
 
 /**
  * @brief The ElevationProfileTrackDataSource provides elevation profile of GeoDataTrack Objects in the marblemodel
  */
 class ElevationProfileTrackDataSource : public ElevationProfileDataSource
 {
     Q_OBJECT
 
 public:
     explicit ElevationProfileTrackDataSource( const GeoDataTreeModel *treeModel, QObject *parent = nullptr );
 
     bool isDataAvailable() const override;
 
     QStringList sourceDescriptions() const;
 
     void setSourceIndex(int index);
 
     int currentSourceIndex() const;
 
 public Q_SLOTS:
     void requestUpdate() override;
 
 protected:
     qreal getElevation(const GeoDataCoordinates &coordinates) const override;
 
 private Q_SLOTS:
     void handleObjectAdded( GeoDataObject *object );
     void handleObjectRemoved( GeoDataObject *object );
 
 private:
     QHash<QString, QList<const GeoDataTrack *> > m_trackHash;
     QStringList m_trackChooserList;
     QList<const GeoDataTrack *> m_trackList;
     int m_currentSourceIndex;
 };
 
 /**
  * @brief The ElevationProfileRouteDataSource provides elevation profile of the current route
  */
 class ElevationProfileRouteDataSource : public ElevationProfileDataSource
 {
     Q_OBJECT
 
 public:
     ElevationProfileRouteDataSource( const RoutingModel *routingModel, const ElevationModel *elevationModel, QObject *parent = nullptr );
 
     bool isDataAvailable() const override;
 
 public Q_SLOTS:
     void requestUpdate() override;
 
 protected:
     qreal getElevation(const GeoDataCoordinates &coordinates) const override;
 
 private:
     const RoutingModel *const m_routingModel;
     const ElevationModel *const m_elevationModel;
     bool m_routeAvailable; // save state if route is available to notify FloatItem when this changes
 };
 
 }
 
 #endif // ELEVATIONPROFILEDATASOURCE_H