Set map spatial reference

// [WriteFile Name=SetMapSpatialReference, Category=Maps]
// [Legal]
// Copyright 2016 Esri.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// [Legal]

#ifdef PCH_BUILD
#include "pch.hpp"
#endif // PCH_BUILD

// sample headers
#include "SetMapSpatialReference.h"

// ArcGIS Maps SDK headers
#include "ArcGISMapImageLayer.h"
#include "Basemap.h"
#include "Map.h"
#include "MapQuickView.h"
#include "MapViewTypes.h"
#include "SpatialReference.h"

// Qt headers
#include <QUrl>

using namespace Esri::ArcGISRuntime;

SetMapSpatialReference::SetMapSpatialReference(QQuickItem* parent) :
  QQuickItem(parent)
{
}

SetMapSpatialReference::~SetMapSpatialReference() = default;

void SetMapSpatialReference::init()
{
  qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
  qmlRegisterType<SetMapSpatialReference>("Esri.Samples", 1, 0, "SetMapSpatialReferenceSample");
}

void SetMapSpatialReference::componentComplete()
{
  QQuickItem::componentComplete();

  // find QML MapView component
  m_mapView = findChild<MapQuickView*>("mapView");
  m_mapView->setWrapAroundMode(WrapAroundMode::Disabled);

  // Create a new map with the spatial reference
  m_map = new Map(SpatialReference(54024), this);

  // create the URL pointing to the map image layer
  QUrl imageLayerUrl("https://sampleserver6.arcgisonline.com/arcgis/rest/services/SampleWorldCities/MapServer");

  // construct the ArcGISMapImageLayer using the URL
  m_imageLayer = new ArcGISMapImageLayer(imageLayerUrl, this);

  // create a Basemap and pass in the ArcGISMapImageLayer
  m_basemap = new Basemap(m_imageLayer, this);

  // set the ArcGISMapImageLayer as basemap
  m_map->setBasemap(m_basemap);
  // set map on the map view
  m_mapView->setMap(m_map);
}

QStringList SetMapSpatialReference::spatialReferenceNames() const
{
  QStringList names;
  for (const auto& option : m_srOptions)
  {
    names << option.first;
  }
  return names;
}

void SetMapSpatialReference::setSpatialReference(int index)
{
  if (index < 0 || index >= m_srOptions.size())
  {
    return;
  }
  m_map->setSpatialReference(SpatialReference(m_srOptions[index].second));
}

// [WriteFile Name=SetMapSpatialReference, Category=Maps]
// [Legal]
// Copyright 2016 Esri.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// [Legal]

#ifndef SET_MAP_SPATIAL_REFERENCE_H
#define SET_MAP_SPATIAL_REFERENCE_H

// Qt headers
#include <QQuickItem>

namespace Esri::ArcGISRuntime
{
  class Map;
  class MapQuickView;
  class Basemap;
  class ArcGISMapImageLayer;
} // namespace Esri::ArcGISRuntime

class SetMapSpatialReference : public QQuickItem
{
  Q_OBJECT
  Q_PROPERTY(QStringList spatialReferenceNames READ spatialReferenceNames CONSTANT)

public:
  explicit SetMapSpatialReference(QQuickItem* parent = nullptr);
  ~SetMapSpatialReference() override;

  void componentComplete() override;
  static void init();

  QStringList spatialReferenceNames() const;

public slots:
  void setSpatialReference(int index);

private:
  Esri::ArcGISRuntime::Map* m_map = nullptr;
  Esri::ArcGISRuntime::MapQuickView* m_mapView = nullptr;
  Esri::ArcGISRuntime::Basemap* m_basemap = nullptr;
  Esri::ArcGISRuntime::ArcGISMapImageLayer* m_imageLayer = nullptr;

  const QList<QPair<QString, int>> m_srOptions = {{"Berghaus Star AAG", 102299},
                                                  {"Fuller", 54050},
                                                  {"New Zealand Map Grid", 27200},
                                                  {"North Pole Stereographic", 102018},
                                                  {"Peirce Quincuncial", 54090},
                                                  {"UTM Zone 10 N", 32610},
                                                  {"World Bonne", 54024},
                                                  {"World Goode Homolosine", 54052},
                                                  {"World Orthographic", 102038},
                                                  {"Web Mercator", 3857},
                                                  {"WGS 84", 4326}};
};

#endif // SET_MAP_SPATIAL_REFERENCE_H

// [WriteFile Name=SetMapSpatialReference, Category=Maps]
// [Legal]
// Copyright 2016 Esri.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// [Legal]

import QtQuick
import QtQuick.Controls
import Esri.Samples

SetMapSpatialReferenceSample {
    id: srSample
    width: 800
    height: 600

    // add a mapView component
    MapView {
        anchors.fill: parent
        objectName: "mapView"

        Component.onCompleted: {
            // Set the focus on MapView to initially enable keyboard navigation
            forceActiveFocus();
        }
    }
    ComboBox {
        id: srComboBox
        anchors {
            top: parent.top
            right: parent.right
            margins: 10
        }
        width: 220
        model: srSample.spatialReferenceNames
        currentIndex: 6
        onActivated: srSample.setSpatialReference(currentIndex)
    }
}