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// [WriteFile Name=GenerateOfflineMap, Category=Maps]
// [Legal]
// Copyright 2017 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 "GenerateOfflineMap.h"
#include "Map.h"
#include "MapQuickView.h"
#include "Portal.h"
#include "PortalItem.h"
#include "OfflineMapTask.h"
#include "GeometryEngine.h"
#include "Envelope.h"
#include "Point.h"
#include "Error.h"
#include "TaskTypes.h"
#include "TaskWatcher.h"
#include "GenerateOfflineMapJob.h"
#include "GenerateOfflineMapResult.h"
#include "SpatialReference.h"
#include "Layer.h"
#include <QUuid>
using namespace Esri::ArcGISRuntime;
const QString GenerateOfflineMap::s_webMapId = QStringLiteral("acc027394bc84c2fb04d1ed317aac674");
GenerateOfflineMap::GenerateOfflineMap(QQuickItem* parent /* = nullptr */):
QQuickItem(parent)
{
}
void GenerateOfflineMap::init()
{
// Register the map view for QML
qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
qmlRegisterType<GenerateOfflineMap>("Esri.Samples", 1, 0, "GenerateOfflineMapSample");
}
void GenerateOfflineMap::componentComplete()
{
QQuickItem::componentComplete();
// find QML MapView component
m_mapView = findChild<MapQuickView*>("mapView");
// Create a Portal Item for use by the Map and OfflineMapTask
bool loginRequired = false;
Portal* portal = new Portal(loginRequired, this);
PortalItem* portalItem = new PortalItem(portal, webMapId(), this);
// Create a map from the Portal Item
m_map = new Map(portalItem, this);
// Update property once map is done loading
connect(m_map, &Map::doneLoading, this, [this](const Error& e)
{
if (!e.isEmpty())
return;
m_mapLoaded = true;
emit mapLoadedChanged();
});
// Set map to map view
m_mapView->setMap(m_map);
// Create the OfflineMapTask with the online map
m_offlineMapTask = new OfflineMapTask(m_map, this);
// connect to the error signal
connect(m_offlineMapTask, &OfflineMapTask::errorOccurred, this, [](const Error& e)
{
if (e.isEmpty())
return;
qDebug() << e.message() << e.additionalMessage();
});
}
void GenerateOfflineMap::generateMapByExtent(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 = Envelope(corner1, corner2);
const Envelope mapExtent = geometry_cast<Envelope>(GeometryEngine::project(extent, SpatialReference::webMercator()));
// connect to the signal for when the default parameters are generated
connect(m_offlineMapTask, &OfflineMapTask::createDefaultGenerateOfflineMapParametersCompleted,
this, [this](const QUuid&, const GenerateOfflineMapParameters& params)
{
// Take the map offline once the parameters are generated
GenerateOfflineMapJob* generateJob = m_offlineMapTask->generateOfflineMap(params, m_tempPath.path() + "/offlinemap");
// check if there is a valid job
if (generateJob)
{
// connect to the job's status changed signal
connect(generateJob, &GenerateOfflineMapJob::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:
// show any layer errors
if (generateJob->result()->hasErrors())
{
QString layerErrors = "";
const QMap<Layer*, Error>& layerErrorsMap = generateJob->result()->layerErrors();
for (auto it = layerErrorsMap.cbegin(); it != layerErrorsMap.cend(); ++it)
{
layerErrors += it.key()->name() + ": " + it.value().message() + "\n";
}
emit showLayerErrors(layerErrors);
}
// show the map
emit updateStatus("Complete");
emit hideWindow(1500, true);
m_mapView->setMap(generateJob->result()->offlineMap(this));
break;
default:
break;
}
});
// connect to progress changed signal
connect(generateJob, &GenerateOfflineMapJob::progressChanged, this, [this, generateJob]()
{
emit updateProgress(generateJob->progress());
});
// connect to the error signal
connect(generateJob, &GenerateOfflineMapJob::errorOccurred, this, [](const Error& e)
{
if (e.isEmpty())
return;
qDebug() << e.message() << e.additionalMessage();
});
// start the generate job
generateJob->start();
}
else
{
emit updateStatus("Export failed");
emit hideWindow(5000, false);
}
});
// generate parameters
m_offlineMapTask->createDefaultGenerateOfflineMapParameters(mapExtent);
}
