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// [WriteFile Name=GenerateGeodatabaseReplicaFromFeatureService, Category=Features]
// [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
#include "GenerateGeodatabaseReplicaFromFeatureService.h"
#include "Map.h"
#include "MapQuickView.h"
#include "FeatureLayer.h"
#include "Basemap.h"
#include "SpatialReference.h"
#include "ServiceFeatureTable.h"
#include "ArcGISTiledLayer.h"
#include "ArcGISFeatureServiceInfo.h"
#include "Envelope.h"
#include "GenerateGeodatabaseParameters.h"
#include "GeodatabaseSyncTask.h"
#include "GeometryEngine.h"
#include "GenerateLayerOption.h"
#include "GeodatabaseFeatureTable.h"
#include "MapViewTypes.h"
#include "TileCache.h"
#include "Error.h"
#include "IdInfo.h"
#include "LayerListModel.h"
#include "GenerateGeodatabaseJob.h"
#include "TaskTypes.h"
#include "Geodatabase.h"
#include "TaskWatcher.h"
#include "Viewpoint.h"
#include "Point.h"
#include <QtCore/qglobal.h>
#include <QUrl>
#include <QStandardPaths>
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;
}
} // namespace
GenerateGeodatabaseReplicaFromFeatureService::GenerateGeodatabaseReplicaFromFeatureService(QQuickItem* parent) :
QQuickItem(parent),
m_dataPath(defaultDataPath() + "/ArcGIS/Runtime/Data/")
{
}
GenerateGeodatabaseReplicaFromFeatureService::~GenerateGeodatabaseReplicaFromFeatureService() = default;
void GenerateGeodatabaseReplicaFromFeatureService::init()
{
qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
qmlRegisterType<GenerateGeodatabaseReplicaFromFeatureService>("Esri.Samples", 1, 0, "GenerateGeodatabaseReplicaFromFeatureServiceSample");
}
void GenerateGeodatabaseReplicaFromFeatureService::componentComplete()
{
QQuickItem::componentComplete();
// find QML MapView component
m_mapView = findChild<MapQuickView*>("mapView");
m_mapView->setWrapAroundMode(WrapAroundMode::Disabled);
//! [Create a map using a local tile package]
TileCache* tileCache = new TileCache(m_dataPath + "tpkx/SanFrancisco.tpkx", this);
ArcGISTiledLayer* tiledLayer = new ArcGISTiledLayer(tileCache, this);
Basemap* basemap = new Basemap(tiledLayer, this);
m_map = new Map(basemap, this);
//! [Create a map using a local tile package]
// set an initial viewpoint
Envelope env(-122.50017, 37.74500, -122.43843, 37.81638, SpatialReference(4326));
Viewpoint viewpoint(env);
m_map->setInitialViewpoint(viewpoint);
// Set map to map view
m_mapView->setMap(m_map);
//! [Features GenerateGeodatabase Part 1]
// create the GeodatabaseSyncTask
m_syncTask = new GeodatabaseSyncTask(QUrl(m_featureServiceUrl), this);
//! [Features GenerateGeodatabase Part 1]
// connect to sync task doneLoading signal
connect(m_syncTask, &GeodatabaseSyncTask::doneLoading, this, [this](const Error& error)
{
if (!error.isEmpty())
{
emit updateStatus("Generate failed");
emit hideWindow(5000, false);
return;
}
// add online feature layers to the map, and obtain service IDs
m_featureServiceInfo = m_syncTask->featureServiceInfo();
const auto infos = m_featureServiceInfo.layerInfos();
for (const IdInfo& idInfo : infos)
{
// get the layer ID from the idInfo
QString id = QString::number(idInfo.infoId());
// add the layer to the map
QUrl featureLayerUrl(m_featureServiceInfo.url().toString() + "/" + id);
ServiceFeatureTable* serviceFeatureTable = new ServiceFeatureTable(featureLayerUrl, this);
FeatureLayer* featureLayer = new FeatureLayer(serviceFeatureTable, this);
m_map->operationalLayers()->append(featureLayer);
// add the layer id to the string list
m_serviceIds << id;
}
});
// connect to map doneLoading signal
connect(m_map, &Map::doneLoading, this, [this](const Error& error)
{
if (error.isEmpty())
{
// load the sync task once the map loads
m_syncTask->load();
}
});
}
void GenerateGeodatabaseReplicaFromFeatureService::addFeatureLayers(const QString& serviceUrl, const QStringList& serviceIds)
{
for (const QString& id : serviceIds)
{
ServiceFeatureTable* serviceFeatureTable = new ServiceFeatureTable(QUrl(serviceUrl + id), this);
FeatureLayer* featureLayer = new FeatureLayer(serviceFeatureTable, this);
m_map->operationalLayers()->append(featureLayer);
}
}
//! [Features GenerateGeodatabase Part 2]
GenerateGeodatabaseParameters GenerateGeodatabaseReplicaFromFeatureService::getUpdatedParameters(Envelope gdbExtent)
{
// create the parameters
GenerateGeodatabaseParameters params;
params.setReturnAttachments(false);
params.setOutSpatialReference(SpatialReference::webMercator());
params.setExtent(gdbExtent);
// set the layer options for all of the service IDs
QList<GenerateLayerOption> layerOptions;
for (const QString& id : qAsConst(m_serviceIds))
{
GenerateLayerOption generateLayerOption(id.toInt());
layerOptions << generateLayerOption;
}
params.setLayerOptions(layerOptions);
return params;
}
void GenerateGeodatabaseReplicaFromFeatureService::generateGeodatabaseFromCorners(double xCorner1, double yCorner1, double xCorner2, double yCorner2)
{
// create an envelope from the QML rectangle corners
const Point corner1 = m_mapView->screenToLocation(xCorner1, yCorner1);
const Point corner2 = m_mapView->screenToLocation(xCorner2, yCorner2);
const Envelope extent(corner1, corner2);
const Envelope geodatabaseExtent = geometry_cast<Envelope>(GeometryEngine::project(extent, SpatialReference::webMercator()));
// get the updated parameters
GenerateGeodatabaseParameters params = getUpdatedParameters(geodatabaseExtent);
// execute the task and obtain the job
const QString outputGdb = m_tempPath.path() + "/wildfire.geodatabase";
GenerateGeodatabaseJob* generateJob = m_syncTask->generateGeodatabase(params, outputGdb);
// connect to the job's status changed signal
if (generateJob)
{
connect(generateJob, &GenerateGeodatabaseJob::statusChanged, this, [this, generateJob](JobStatus jobStatus)
{
// connect to the job's status changed signal to know once it is done
switch (jobStatus) {
case JobStatus::Failed:
emit updateStatus("Generate failed");
emit hideWindow(5000, false);
break;
case JobStatus::NotStarted:
emit updateStatus("Job not started");
break;
case JobStatus::Paused:
emit updateStatus("Job paused");
break;
case JobStatus::Started:
emit updateStatus("In progress...");
break;
case JobStatus::Succeeded:
emit updateStatus("Complete");
emit hideWindow(1500, true);
addOfflineData(generateJob->result());
break;
default:
break;
}
});
// start the generate job
generateJob->start();
}
else
{
emit updateStatus("Generate failed");
emit hideWindow(5000, false);
}
}
//! [Features GenerateGeodatabase Part 2]
void GenerateGeodatabaseReplicaFromFeatureService::addOfflineData(Geodatabase* gdb)
{
// remove the original online feature layers
m_map->operationalLayers()->clear();
// load the geodatabase
connect(gdb, &Geodatabase::doneLoading, this, [this, gdb](Error)
{
// create a feature layer from each feature table, and add to the map
const auto tables = gdb->geodatabaseFeatureTables();
for (GeodatabaseFeatureTable* featureTable : tables)
{
FeatureLayer* featureLayer = new FeatureLayer(featureTable, this);
m_map->operationalLayers()->append(featureLayer);
}
// unregister geodatabase since there will be no edits uploaded
m_syncTask->unregisterGeodatabase(gdb);
});
gdb->load();
}