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// [WriteFile Name=UpdateGeometryFeatureService, Category=EditData]
// [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 "UpdateGeometryFeatureService.h"
#include "Map.h"
#include "MapQuickView.h"
#include "Basemap.h"
#include "Viewpoint.h"
#include "Point.h"
#include "SpatialReference.h"
#include "ServiceFeatureTable.h"
#include "FeatureLayer.h"
#include "Feature.h"
#include "FeatureEditResult.h"
#include "MapViewTypes.h"
#include "MapTypes.h"
#include "LayerListModel.h"
#include "TaskWatcher.h"
#include "IdentifyLayerResult.h"
#include <QUrl>
#include <QUuid>
#include <QMouseEvent>
#include <QList>
using namespace Esri::ArcGISRuntime;
namespace
{
// Convenience RAII struct that deletes all pointers in given container.
struct FeatureEditListResultLock
{
FeatureEditListResultLock(const QList<FeatureEditResult*>& list) : results(list) { }
~FeatureEditListResultLock() { qDeleteAll(results); }
const QList<FeatureEditResult*>& results;
};
}
UpdateGeometryFeatureService::UpdateGeometryFeatureService(QQuickItem* parent) :
QQuickItem(parent)
{
}
UpdateGeometryFeatureService::~UpdateGeometryFeatureService() = default;
void UpdateGeometryFeatureService::init()
{
qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
qmlRegisterType<UpdateGeometryFeatureService>("Esri.Samples", 1, 0, "UpdateGeometryFeatureServiceSample");
}
void UpdateGeometryFeatureService::componentComplete()
{
QQuickItem::componentComplete();
// find QML MapView component
m_mapView = findChild<MapQuickView*>("mapView");
m_mapView->setWrapAroundMode(WrapAroundMode::Disabled);
// create a Map by passing in the Basemap
m_map = new Map(BasemapStyle::ArcGISStreets, this);
m_map->setInitialViewpoint(Viewpoint(Point(-10800000, 4500000, SpatialReference(102100)), 3e7));
// set map on the map view
m_mapView->setMap(m_map);
// create the ServiceFeatureTable
m_featureTable = new ServiceFeatureTable(QUrl("https://sampleserver6.arcgisonline.com/arcgis/rest/services/DamageAssessment/FeatureServer/0"), this);
// create the FeatureLayer with the ServiceFeatureTable and add it to the Map
m_featureLayer = new FeatureLayer(m_featureTable, this);
m_map->operationalLayers()->append(m_featureLayer);
connectSignals();
}
void UpdateGeometryFeatureService::connectSignals()
{
// connect to the mouse clicked signal on the MapQuickView
connect(m_mapView, &MapQuickView::mouseClicked, this, [this](QMouseEvent& mouseEvent)
{
// get the point from the mouse point
Point mapPoint = m_mapView->screenToLocation(mouseEvent.pos().x(), mouseEvent.pos().y());
// if a feature is already selected, move the selected feature to the new geometry
if (m_featureSelected)
{
// set the selected feature's geometry to the tapped map point
m_selectedFeature->setGeometry(mapPoint);
// update the feature table with the new feature
m_featureTable->updateFeature(m_selectedFeature);
// reset the feature layer
m_featureLayer->clearSelection();
m_featureSelected = false;
}
// else select a new feature
else
{
// first clear the selection
m_featureLayer->clearSelection();
// call identify on the map view
m_mapView->identifyLayer(m_featureLayer, mouseEvent.pos().x(), mouseEvent.pos().y(), 5, false, 1);
}
});
// connect to the identifyLayerCompleted signal on the map view
connect(m_mapView, &MapQuickView::identifyLayerCompleted, this, [this](QUuid, IdentifyLayerResult* identifyResult)
{
if(!identifyResult)
return;
if (identifyResult->geoElements().size() > 0)
{
// first delete if not nullptr
if (m_selectedFeature)
delete m_selectedFeature;
m_selectedFeature = static_cast<Feature*>(identifyResult->geoElements().at(0));
// Prevent the feature from being deleted along with the identifyResult.
m_selectedFeature->setParent(this);
// select the item in the result
m_featureLayer->selectFeature(m_selectedFeature);
m_featureSelected = true;
}
});
// connect to the updateFeatureCompleted signal to determine if the update was successful
connect(m_featureTable, &ServiceFeatureTable::updateFeatureCompleted, this, [this](QUuid, bool success)
{
// if the update was successful, call apply edits to apply to the service
if (success)
m_featureTable->applyEdits();
});
// connect to the applyEditsCompleted signal from the ServiceFeatureTable
connect(m_featureTable, &ServiceFeatureTable::applyEditsCompleted, this, [](QUuid, const QList<FeatureEditResult*>& featureEditResults)
{
// Lock is a convenience wrapper that deletes the contents of featureEditResults when we leave scope.
FeatureEditListResultLock lock(featureEditResults);
// obtain the first item in the list
FeatureEditResult* featureEditResult = lock.results.isEmpty() ? nullptr : lock.results.first();
// check if there were errors, and if not, log the new object ID
if (featureEditResult && !featureEditResult->isCompletedWithErrors())
qDebug() << "Successfully updated geometry for Object ID:" << featureEditResult->objectId();
else
qDebug() << "Apply edits error.";
});
}
