qgsprojectdisplaysettings.h

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/***************************************************************************
    qgsprojectdisplaysettings.h
    ---------------------------
    begin                : January 2020
    copyright            : (C) 2020 by Nyall Dawson
    email                : nyall dot dawson at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
#ifndef QGSPROJECTDISPLAYSETTINGS_H
#define QGSPROJECTDISPLAYSETTINGS_H
 
#include <memory>
 
#include "qgis.h"
#include "qgis_core.h"
#include "qgis_sip.h"
#include "qgscoordinatereferencesystem.h"
 
#include <QObject>
#include <QVector>
 
class QDomElement;
class QgsReadWriteContext;
class QDomDocument;
class QgsBearingNumericFormat;
class QgsGeographicCoordinateNumericFormat;

class CORE_EXPORT QgsProjectDisplaySettings : public QObject
{
    Q_OBJECT
 
  public:
 
    Q_PROPERTY( Qgis::CoordinateDisplayType coordinateType READ coordinateType WRITE setCoordinateType NOTIFY coordinateTypeChanged )
    Q_PROPERTY( Qgis::CoordinateOrder coordinateAxisOrder READ coordinateAxisOrder WRITE setCoordinateAxisOrder NOTIFY coordinateAxisOrderChanged )
    Q_PROPERTY( QgsCoordinateReferenceSystem coordinateCustomCrs READ coordinateCustomCrs WRITE setCoordinateCustomCrs NOTIFY coordinateCustomCrsChanged )
    Q_PROPERTY( QgsCoordinateReferenceSystem coordinateCrs READ coordinateCrs NOTIFY coordinateCrsChanged )

    QgsProjectDisplaySettings( QObject *parent = nullptr );
 
    ~QgsProjectDisplaySettings() override;

    void reset();

    void setBearingFormat( QgsBearingNumericFormat *format SIP_TRANSFER );

    const QgsBearingNumericFormat *bearingFormat() const;

    void setGeographicCoordinateFormat( QgsGeographicCoordinateNumericFormat *format SIP_TRANSFER );

    const QgsGeographicCoordinateNumericFormat *geographicCoordinateFormat() const;

    Qgis::CoordinateDisplayType coordinateType() const { return mCoordinateType; }

    void setCoordinateType( Qgis::CoordinateDisplayType type );

    Qgis::CoordinateOrder coordinateAxisOrder() const { return mCoordinateAxisOrder; }

    void setCoordinateAxisOrder( Qgis::CoordinateOrder order );

    QgsCoordinateReferenceSystem coordinateCustomCrs() const { return mCoordinateCustomCrs; }

    void setCoordinateCustomCrs( const QgsCoordinateReferenceSystem &crs );

    QgsCoordinateReferenceSystem coordinateCrs() const { return mCoordinateCrs; }

    bool readXml( const QDomElement &element, const QgsReadWriteContext &context );

    QDomElement writeXml( QDomDocument &doc, const QgsReadWriteContext &context ) const;
 
  signals:

    void bearingFormatChanged();

    void geographicCoordinateFormatChanged();

    void coordinateTypeChanged();

    void coordinateAxisOrderChanged();

    void coordinateCustomCrsChanged();

    void coordinateCrsChanged();
 
  private:
    void updateCoordinateCrs();
 
    std::unique_ptr< QgsBearingNumericFormat > mBearingFormat;
    std::unique_ptr< QgsGeographicCoordinateNumericFormat > mGeographicCoordinateFormat;
 
    Qgis::CoordinateDisplayType mCoordinateType = Qgis::CoordinateDisplayType::MapCrs;
    QgsCoordinateReferenceSystem mCoordinateCustomCrs = QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) );
    QgsCoordinateReferenceSystem mCoordinateCrs;
    Qgis::CoordinateOrder mCoordinateAxisOrder = Qgis::CoordinateOrder::Default;
 
};
 
#endif // QGSPROJECTDISPLAYSETTINGS_H