RoutingModel.h

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//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2010      Dennis Nienhüser <earthwings@gentoo.org>
//

#ifndef MARBLE_ROUTINGMODEL_H
#define MARBLE_ROUTINGMODEL_H

#include "marble_export.h"
#include "GeoDataLineString.h"
#include "Route.h"

#include <QAbstractListModel>
#include <QTime>

namespace Marble
{

class RoutingModelPrivate;
class RouteRequest;
class GeoDataDocument;
class MarbleModel;
class MARBLE_EXPORT RoutingModel : public QAbstractListModel
{
    Q_OBJECT

    Q_PROPERTY( bool deviatedFromRoute READ deviatedFromRoute NOTIFY deviatedFromRoute )

public:
    enum RoutingModelRoles {
        CoordinateRole = Qt::UserRole + 3,
        TurnTypeIconRole,
        LongitudeRole,
        LatitudeRole
    };

    explicit RoutingModel( RouteRequest* request, MarbleModel *model, QObject *parent = 0 );

    ~RoutingModel();

    // Model querying

    int rowCount ( const QModelIndex &parent = QModelIndex() ) const;

    QVariant headerData ( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const;

    QVariant data ( const QModelIndex &index, int role = Qt::DisplayRole ) const;

#if QT_VERSION >= 0x050000

    QHash<int, QByteArray> roleNames() const;
#endif

    // Model data filling

    void exportGpx( QIODevice *device ) const;

    void clear();

    int rightNeighbor( const GeoDataCoordinates &position, RouteRequest const *const route ) const;

    bool deviatedFromRoute() const;

    const Route & route() const;

public Q_SLOTS:
    bool setCurrentRoute( GeoDataDocument* document );

    void updatePosition( GeoDataCoordinates, qreal );

Q_SIGNALS:
    void positionChanged();
    void deviatedFromRoute( bool deviated );

    void currentRouteChanged();

private:
    RoutingModelPrivate *const d;
};

} // namespace Marble

#endif