Create feature collection layer (Portal item)

// [WriteFile Name=FeatureCollectionLayerFromPortal, Category=Layers]
// [Legal]
// Copyright 2020 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 "FeatureCollectionLayerFromPortal.h"

// ArcGIS Maps SDK headers
#include "Error.h"
#include "FeatureCollection.h"
#include "FeatureCollectionLayer.h"
#include "LayerListModel.h"
#include "Map.h"
#include "MapQuickView.h"
#include "MapTypes.h"
#include "Portal.h"
#include "PortalItem.h"
#include "PortalTypes.h"

using namespace Esri::ArcGISRuntime;

namespace
{
const QString featureCollectionItemId("32798dfad17942858d5eef82ee802f0b");
}

FeatureCollectionLayerFromPortal::FeatureCollectionLayerFromPortal(QObject* parent /* = nullptr */):
  QObject(parent),
  m_map(new Map(BasemapStyle::ArcGISOceans, this))
{
  Portal* portal = new Portal(this);
  m_portalItem = new PortalItem(portal, featureCollectionItemId, this);

  connect(m_portalItem, &PortalItem::doneLoading, this, [this](const Error& loadError)
  {
    if (!loadError.isEmpty())
    {
      qWarning() << loadError.message() << loadError.additionalMessage();
      return;
    }

    // if the portal item is a feature collection, add the feature collection to the map's operational layers
    if (m_portalItem->type() == PortalItemType::FeatureCollection)
    {
      FeatureCollection* featureCollection = new FeatureCollection(m_portalItem, this);
      FeatureCollectionLayer* featureCollectionLayer = new FeatureCollectionLayer(featureCollection, this);
      m_map->operationalLayers()->append(featureCollectionLayer);
    }
    else
    {
      qWarning() << "Portal item with ID " << featureCollectionItemId << " is not a feature collection.";
    }
  });

  m_portalItem->load();
}

FeatureCollectionLayerFromPortal::~FeatureCollectionLayerFromPortal() = default;

void FeatureCollectionLayerFromPortal::init()
{
  // Register the map view for QML
  qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
  qmlRegisterType<FeatureCollectionLayerFromPortal>("Esri.Samples", 1, 0, "FeatureCollectionLayerFromPortalSample");
}

MapQuickView* FeatureCollectionLayerFromPortal::mapView() const
{
  return m_mapView;
}

// Set the view (created in QML)
void FeatureCollectionLayerFromPortal::setMapView(MapQuickView* mapView)
{
  if (!mapView || mapView == m_mapView)
    return;

  m_mapView = mapView;
  m_mapView->setMap(m_map);

  emit mapViewChanged();
}

// [WriteFile Name=FeatureCollectionLayerFromPortal, Category=Layers]
// [Legal]
// Copyright 2020 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 FEATURECOLLECTIONLAYERFROMPORTAL_H
#define FEATURECOLLECTIONLAYERFROMPORTAL_H

// Qt headers
#include <QObject>

namespace Esri::ArcGISRuntime
{
class Map;
class MapQuickView;
class PortalItem;
}

Q_MOC_INCLUDE("MapQuickView.h")

class FeatureCollectionLayerFromPortal : public QObject
{
  Q_OBJECT

  Q_PROPERTY(Esri::ArcGISRuntime::MapQuickView* mapView READ mapView WRITE setMapView NOTIFY mapViewChanged)

public:
  explicit FeatureCollectionLayerFromPortal(QObject* parent = nullptr);
  ~FeatureCollectionLayerFromPortal();

  static void init();

signals:
  void mapViewChanged();

private:
  Esri::ArcGISRuntime::MapQuickView* mapView() const;
  void setMapView(Esri::ArcGISRuntime::MapQuickView* mapView);

  Esri::ArcGISRuntime::Map* m_map = nullptr;
  Esri::ArcGISRuntime::MapQuickView* m_mapView = nullptr;
  Esri::ArcGISRuntime::PortalItem* m_portalItem = nullptr;
};

#endif // FEATURECOLLECTIONLAYERFROMPORTAL_H

// [WriteFile Name=FeatureCollectionLayerFromPortal, Category=Layers]
// [Legal]
// Copyright 2020 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

Item {

    // add a mapView component
    MapView {
        id: view
        anchors.fill: parent

        Component.onCompleted: {
            // Set the focus on MapView to initially enable keyboard navigation
            forceActiveFocus();
        }
    }

    // Declare the C++ instance which creates the map etc. and supply the view
    FeatureCollectionLayerFromPortalSample {
        id: model
        mapView: view
    }
}

// [Legal]
// Copyright 2020 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]

// sample headers
#include "FeatureCollectionLayerFromPortal.h"

// ArcGIS Maps SDK headers
#include "ArcGISRuntimeEnvironment.h"

// Qt headers
#include <QDir>
#include <QGuiApplication>
#include <QQmlApplicationEngine>

// Platform specific headers
#ifdef Q_OS_WIN
#include <Windows.h>
#endif

int main(int argc, char *argv[])
{
  Esri::ArcGISRuntime::ArcGISRuntimeEnvironment::setUseLegacyAuthentication(false);
  QGuiApplication app(argc, argv);
  app.setApplicationName(QString("FeatureCollectionLayerFromPortal"));

  // Use of ArcGIS location services, such as basemap styles, geocoding, and routing services,
  // requires an access token. For more information see
  // https://links.esri.com/arcgis-runtime-security-auth.

  // The following methods grant an access token:

  // 1. User authentication: Grants a temporary access token associated with a user's ArcGIS account.
  // To generate a token, a user logs in to the app with an ArcGIS account that is part of an
  // organization in ArcGIS Online or ArcGIS Enterprise.

  // 2. API key authentication: Get a long-lived access token that gives your application access to
  // ArcGIS location services. Go to the tutorial at https://links.esri.com/create-an-api-key.
  // Copy the API Key access token.

  const QString accessToken = QString("");

  if (accessToken.isEmpty())
  {
      qWarning() << "Use of ArcGIS location services, such as the basemap styles service, requires" <<
                    "you to authenticate with an ArcGIS account or set the API Key property.";
  }
  else
  {
      Esri::ArcGISRuntime::ArcGISRuntimeEnvironment::setApiKey(accessToken);
  }

  // Initialize the sample
  FeatureCollectionLayerFromPortal::init();

  // Initialize application view
  QQmlApplicationEngine engine;
  // Add the import Path
  engine.addImportPath(QDir(QCoreApplication::applicationDirPath()).filePath("qml"));

#ifdef ARCGIS_RUNTIME_IMPORT_PATH_2
  engine.addImportPath(ARCGIS_RUNTIME_IMPORT_PATH_2);
#endif

  // Set the source
  engine.load(QUrl("qrc:/Samples/Layers/FeatureCollectionLayerFromPortal/main.qml"));

  return app.exec();
}

// Copyright 2020 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.

import QtQuick.Controls
import Esri.Samples

ApplicationWindow {
    visible: true
    width: 800
    height: 600

    FeatureCollectionLayerFromPortal {
        anchors.fill: parent
    }
}