Control annotation sublayer visibility

// [WriteFile Name=ControlAnnotationSublayerVisibility, Category=DisplayInformation]
// [Legal]
// Copyright 2019 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 "ControlAnnotationSublayerVisibility.h"

// ArcGIS Maps SDK headers
#include "AnnotationSublayer.h"
#include "Error.h"
#include "Layer.h"
#include "LayerListModel.h"
#include "Map.h"
#include "MapQuickView.h"
#include "MapTypes.h"
#include "MobileMapPackage.h"

// Qt headers
#include <QStandardPaths>
#include <QtCore/qglobal.h>

using namespace Esri::ArcGISRuntime;

// helper method to get cross platform data path
namespace
{
QString defaultDataPath()
{
  QString dataPath;

#ifdef Q_OS_IOS
  dataPath = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
#else
  dataPath = QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
#endif

  return dataPath;
}

// sample MMPK location
const QString sampleFileAnno {"/ArcGIS/Runtime/Data/mmpk/GasDeviceAnno.mmpk"};

} // namespace

ControlAnnotationSublayerVisibility::ControlAnnotationSublayerVisibility(QObject* parent /* = nullptr */):
  QObject(parent)
{
  const QString dataPath = defaultDataPath() + sampleFileAnno;

  // connect to the Mobile Map Package instance to know when errors occur
  connect(MobileMapPackage::instance(), &MobileMapPackage::errorOccurred,
          [](const Error& error)
  {
    if (error.isEmpty())
      return;

    qDebug() << QString("Error: %1 %2").arg(error.message(), error.additionalMessage());
  });

  // Load the MMPK
  createMapPackage(dataPath);
}

ControlAnnotationSublayerVisibility::~ControlAnnotationSublayerVisibility() = default;

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

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

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

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

  connect(m_mapView, &MapQuickView::mapScaleChanged, this, [this]()
  {
    m_mapScale = m_mapView->mapScale();
    emit mapScaleChanged();

    if (!m_annotationSubLayerOpen)
      return;

    m_visibleAtCurrentExtent = m_annotationSubLayerOpen->isVisibleAtScale(m_mapScale);
    emit visibleAtCurrentExtentChanged();
  });

  emit mapViewChanged();
}

// create map package
void ControlAnnotationSublayerVisibility::createMapPackage(const QString& path)
{
  //! [open mobile map package cpp snippet]
  // instatiate a mobile map package
  m_mobileMapPackage = new MobileMapPackage(path, this);

  // wait for the mobile map package to load
  connect(m_mobileMapPackage, &MobileMapPackage::doneLoading, this, [this](const Error& error)
  {
    if (!error.isEmpty())
    {
      qDebug() << QString("Package load error: %1 %2").arg(error.message(), error.additionalMessage());
      return;
    }

    if (!m_mobileMapPackage || !m_mapView || m_mobileMapPackage->maps().isEmpty())
      return;

    // The package contains a list of maps that could be shown in the UI for selection.
    // For simplicity, obtain the first map in the list of maps.
    // set the map on the map view to display
    m_mapView->setMap(m_mobileMapPackage->maps().at(0));

    m_layerListModel = mapView()->map()->operationalLayers();
    for (Layer* layer : *m_layerListModel)
    {
      if (layer->layerType() == LayerType::AnnotationLayer)
      {
        m_annoLayer = layer;
        connect(m_annoLayer, &Layer::doneLoading, this, [this](const Error& error)
        {
          if (!error.isEmpty())
          {
            qDebug() << QString("Package load error: %1 %2").arg(error.message(), error.additionalMessage());
            return;
          }

          const auto contents = m_annoLayer->subLayerContents();
          m_annotationSubLayerClosed = dynamic_cast<AnnotationSublayer*>(contents[0]);
          m_annotationSubLayerOpen = dynamic_cast<AnnotationSublayer*>(contents[1]);
          m_closedLayerText = m_annotationSubLayerClosed->name();
          m_openLayerText = QString("%1 (1:%2 - 1:%3)").arg(m_annotationSubLayerOpen->name()).arg(m_annotationSubLayerOpen->maxScale()).arg(m_annotationSubLayerOpen->minScale());
          emit openLayerTextChanged();
          emit closedLayerTextChanged();
        });
        layer->load();
      }
    }
  });

  m_mobileMapPackage->load();
  //! [open mobile map package cpp snippet]
}

void ControlAnnotationSublayerVisibility::openLayerVisible()
{
  if (!m_annotationSubLayerOpen)
    return;

  m_annotationSubLayerOpen->setVisible(!m_annotationSubLayerOpen->isVisible());
}

void ControlAnnotationSublayerVisibility::closedLayerVisible()
{
  if (!m_annotationSubLayerClosed)
    return;

  m_annotationSubLayerClosed->setVisible(!m_annotationSubLayerClosed->isVisible());
}

// [WriteFile Name=ControlAnnotationSublayerVisibility, Category=DisplayInformation]
// [Legal]
// Copyright 2019 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 CONTROLANNOTATIONSUBLAYERVISIBILITY_H
#define CONTROLANNOTATIONSUBLAYERVISIBILITY_H

// Qt headers
#include <QObject>

namespace Esri::ArcGISRuntime
{
class Map;
class MapQuickView;
class MobileMapPackage;
class AnnotationSublayer;
class LayerListModel;
class Layer;
}

Q_MOC_INCLUDE("MapQuickView.h")

class ControlAnnotationSublayerVisibility : public QObject
{
  Q_OBJECT

  Q_PROPERTY(Esri::ArcGISRuntime::MapQuickView* mapView READ mapView WRITE setMapView NOTIFY mapViewChanged)
  Q_PROPERTY(QString openLayerText MEMBER m_openLayerText NOTIFY openLayerTextChanged)
  Q_PROPERTY(QString closedLayerText MEMBER m_closedLayerText NOTIFY closedLayerTextChanged)
  Q_PROPERTY(double mapScale MEMBER m_mapScale NOTIFY mapScaleChanged())
  Q_PROPERTY(bool visibleAtCurrentExtent MEMBER m_visibleAtCurrentExtent NOTIFY visibleAtCurrentExtentChanged())

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

  static void init();

  Q_INVOKABLE void openLayerVisible();
  Q_INVOKABLE void closedLayerVisible();

signals:
  void mapViewChanged();
  void openLayerTextChanged();
  void closedLayerTextChanged();
  void mapScaleChanged();
  void visibleAtCurrentExtentChanged();

private:
  Esri::ArcGISRuntime::MapQuickView* mapView() const;
  void setMapView(Esri::ArcGISRuntime::MapQuickView* mapView);
  void createMapPackage(const QString& path);

  Esri::ArcGISRuntime::Map* m_map = nullptr;
  Esri::ArcGISRuntime::MapQuickView* m_mapView = nullptr;
  Esri::ArcGISRuntime::MobileMapPackage* m_mobileMapPackage = nullptr;
  Esri::ArcGISRuntime::AnnotationSublayer* m_annotationSubLayerOpen = nullptr;
  Esri::ArcGISRuntime::AnnotationSublayer* m_annotationSubLayerClosed = nullptr;
  Esri::ArcGISRuntime::LayerListModel* m_layerListModel = nullptr;
  Esri::ArcGISRuntime::Layer* m_annoLayer = nullptr;

  QString m_openLayerText;
  QString m_closedLayerText;
  bool m_visibleAtCurrentExtent;
  double m_mapScale = 0.0;
};

#endif // CONTROLANNOTATIONSUBLAYERVISIBILITY_H

// [WriteFile Name=ControlAnnotationSublayerVisibility, Category=DisplayInformation]
// [Legal]
// Copyright 2019 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.Layouts
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();
        }

        Rectangle {
            id: checkBoxBackground
            anchors {
                left: parent.left
                top: parent.top
                margins: 2
            }
            width: childrenRect.width
            height: childrenRect.height
            color: "white"
            opacity: .75
            radius: 5

            ColumnLayout {
                spacing: 0
                Row {
                    CheckBox {
                        id: openBox
                        checked: true
                        onCheckStateChanged: controlAnnotationSublayerVisibilityModel.openLayerVisible();
                    }

                    Text {
                        id: openBoxText
                        text: controlAnnotationSublayerVisibilityModel.openLayerText
                        anchors.verticalCenter: openBox.verticalCenter
                        color: scale.color
                    }
                }

                Row {
                    CheckBox {
                        id: closedBox
                        checked: true
                        onCheckStateChanged: controlAnnotationSublayerVisibilityModel.closedLayerVisible();
                    }

                    Text {
                        id: closedBoxText
                        text: controlAnnotationSublayerVisibilityModel.closedLayerText
                        anchors.verticalCenter: closedBox.verticalCenter
                    }
                }
            }
        }

        Rectangle {
            id: currentScale
            anchors {
                bottom: view.attributionTop
                horizontalCenter: parent.horizontalCenter
            }
            width: childrenRect.width
            height: childrenRect.height

            Text {
                id: scale
                text: "Current map scale: 1:%1".arg(Math.round(controlAnnotationSublayerVisibilityModel.mapScale))
                color: controlAnnotationSublayerVisibilityModel.visibleAtCurrentExtent ? "black" : "grey"
                padding: 2
            }
        }
    }

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

// [Legal]
// Copyright 2019 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 "ControlAnnotationSublayerVisibility.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

#define STRINGIZE(x) #x
#define QUOTE(x) STRINGIZE(x)

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

  // 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
    ControlAnnotationSublayerVisibility::init();

    QString arcGISRuntimeImportPath = QUOTE(ARCGIS_RUNTIME_IMPORT_PATH);

#if defined(LINUX_PLATFORM_REPLACEMENT)
    // on some linux platforms the string 'linux' is replaced with 1
    // fix the replacement paths which were created
    QString replaceString = QUOTE(LINUX_PLATFORM_REPLACEMENT);
    arcGISRuntimeImportPath = arcGISRuntimeImportPath.replace(replaceString, "linux", Qt::CaseSensitive);
#endif

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

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

    return app.exec();
}

// Copyright 2019 ESRI
//
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
//
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
//
// See the Sample code usage restrictions document for further information.
//

import QtQuick.Controls
import Esri.Samples

ApplicationWindow {
    visible: true
    width: 800
    height: 600

    ControlAnnotationSublayerVisibility {
        anchors.fill: parent
    }
}