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// [WriteFile Name=EditFeaturesWithFeatureLinkedAnnotation, Category=EditData]
// [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
#include "EditFeaturesWithFeatureLinkedAnnotation.h"
#include "Map.h"
#include "MapQuickView.h"
#include "Geodatabase.h"
#include "AnnotationLayer.h"
#include "FeatureLayer.h"
#include "AnnotationLayer.h"
#include "GeodatabaseFeatureTable.h"
#include "GeometryEngine.h"
#include "PolylineBuilder.h"
#include "PartCollection.h"
// Qt headers
#include <QString>
#include <QFile>
#include <QtCore/qglobal.h>
#include <QTimer>
#include <memory>
#ifdef Q_OS_IOS
#include <QStandardPaths>
#endif // Q_OS_IOS
using namespace Esri::ArcGISRuntime;
// helper method to get cross platform data path
namespace
{
QString defaultDataPath()
{
QString dataPath;
#ifdef Q_OS_ANDROID
dataPath = "/sdcard";
#elif defined Q_OS_IOS
dataPath = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
#else
dataPath = QDir::homePath();
#endif
return dataPath;
}
} // namespace
using namespace Esri::ArcGISRuntime;
namespace
{
// Convenience RAII struct that deletes all pointers in given container.
struct IdentifyLayerResultsScopedCleanup
{
IdentifyLayerResultsScopedCleanup(const QList<IdentifyLayerResult*>& list) : results(list) { }
~IdentifyLayerResultsScopedCleanup() { qDeleteAll(results); }
const QList<IdentifyLayerResult*>& results;
};
}
EditFeaturesWithFeatureLinkedAnnotation::EditFeaturesWithFeatureLinkedAnnotation(QObject* parent /* = nullptr */):
QObject(parent),
s_ad_address(QStringLiteral("AD_ADDRESS")),
s_st_str_nam(QStringLiteral("ST_STR_NAM"))
{
constexpr double lat = 39.0204;
constexpr double lon = -77.4159;
constexpr double scale = 2256.994353;
m_map = new Map(BasemapStyle::ArcGISLightGray, this);
m_map->setInitialViewpoint(Viewpoint(lat, lon, scale));
const QString dataPath = defaultDataPath() + "/ArcGIS/Runtime/Data/geodatabase/loudoun_anno.geodatabase";
m_geodatabase = new Geodatabase(dataPath, this);
connect(m_geodatabase, &Geodatabase::doneLoading, this, &EditFeaturesWithFeatureLinkedAnnotation::onGeodatabaseDoneLoading);
m_geodatabase->load();
}
EditFeaturesWithFeatureLinkedAnnotation::~EditFeaturesWithFeatureLinkedAnnotation() = default;
void EditFeaturesWithFeatureLinkedAnnotation::init()
{
// Register the map view for QML
qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
qmlRegisterType<EditFeaturesWithFeatureLinkedAnnotation>("Esri.Samples", 1, 0, "EditFeaturesWithFeatureLinkedAnnotationSample");
}
MapQuickView* EditFeaturesWithFeatureLinkedAnnotation::mapView() const
{
return m_mapView;
}
// Set the view (created in QML)
void EditFeaturesWithFeatureLinkedAnnotation::setMapView(MapQuickView* mapView)
{
if (!mapView || mapView == m_mapView)
return;
m_mapView = mapView;
m_mapView->setMap(m_map);
connect(m_mapView, &MapQuickView::mouseClicked, this, &EditFeaturesWithFeatureLinkedAnnotation::onMouseClicked);
connect(m_mapView, &MapQuickView::identifyLayersCompleted, this, &EditFeaturesWithFeatureLinkedAnnotation::onIdentifyLayersCompleted);
emit mapViewChanged();
}
void EditFeaturesWithFeatureLinkedAnnotation::onGeodatabaseDoneLoading(Error error)
{
if (!error.isEmpty())
return;
GeodatabaseFeatureTable* pointFeatureTable = m_geodatabase->geodatabaseFeatureTable("Loudoun_Address_Points_1");
GeodatabaseFeatureTable* parcelLinesFeatureTable = m_geodatabase->geodatabaseFeatureTable("ParcelLines_1");
GeodatabaseFeatureTable* addressPointsAnnotationTable = m_geodatabase->geodatabaseAnnotationTable("Loudoun_Address_PointsAnno_1");
GeodatabaseFeatureTable* parcelLinesAnnotationTable = m_geodatabase->geodatabaseAnnotationTable("ParcelLinesAnno_1");
// create feature layers from tables in the geodatabase
m_pointFeatureLayer = new FeatureLayer(pointFeatureTable, this);
m_parcelLinesFeatureLayer = new FeatureLayer(parcelLinesFeatureTable, this);
// create annotation layers from tables in the geodatabase
m_addressPointsAnnotationLayer = new AnnotationLayer(addressPointsAnnotationTable, this);
m_parcelLinesAnnotationLayer = new AnnotationLayer(parcelLinesAnnotationTable, this);
// add feature layers to map
m_map->operationalLayers()->append(m_pointFeatureLayer);
m_map->operationalLayers()->append(m_parcelLinesFeatureLayer);
// add annotation layers to map
m_map->operationalLayers()->append(m_addressPointsAnnotationLayer);
m_map->operationalLayers()->append(m_parcelLinesAnnotationLayer);
}
void EditFeaturesWithFeatureLinkedAnnotation::onMouseClicked(QMouseEvent mouseEvent)
{
clearSelection();
if (m_selectedFeature)
{
// move feature to clicked locaiton if already selected
const Point clickedPoint = m_mapView->screenToLocation(mouseEvent.x(), mouseEvent.y());
moveFeature(clickedPoint);
}
else
{
// identify and select feature
m_mapView->identifyLayers(mouseEvent.x(), mouseEvent.y(), 10, false);
}
}
void EditFeaturesWithFeatureLinkedAnnotation::onIdentifyLayersCompleted(QUuid, const QList<IdentifyLayerResult*>& identifyResults)
{
// A convenience wrapper that deletes the contents of identifyResults when we leave scope.
IdentifyLayerResultsScopedCleanup identifyResultsScopedCleanup(identifyResults);
for (IdentifyLayerResult* identifyResult : identifyResults)
{
if (!identifyResult->geoElements().isEmpty())
{
// only perform selections on Feature Layers
FeatureLayer* featureLayer = dynamic_cast<FeatureLayer*>(identifyResult->layerContent());
// if cast was successful select features.
if (featureLayer)
{
m_selectedFeature = static_cast<Feature*>(identifyResult->geoElements().at(0));
// Prevent the feature from being deleted when identifyResultsLock goes out of scope and cleans up identifyResults
m_selectedFeature->setParent(this);
const GeometryType selectedFeatureGeomType = m_selectedFeature->geometry().geometryType();
if (selectedFeatureGeomType == GeometryType::Polyline)
{
const Geometry geom = m_selectedFeature->geometry();
const PolylineBuilder polylineBuilder(geom);
// if the selected feature is a polyline with any part containing more than one segment
// (i.e. a curve) do not select it
if (polylineBuilder.toPolyline().parts().part(0).segmentCount() > 1)
{
clearSelection();
delete m_selectedFeature;
m_selectedFeature = nullptr;
return;
}
}
else if (selectedFeatureGeomType == GeometryType::Point)
{
// clear string list with attribute values.
m_addressAndStreetText.clear();
// update QML text fields with the attributes for the selected point feature
const QString addressText = m_selectedFeature->attributes()->attributeValue(s_ad_address).toString();
m_addressAndStreetText.append(addressText);
const QString streetNameText = m_selectedFeature->attributes()->attributeValue(s_st_str_nam).toString();
m_addressAndStreetText.append(streetNameText);
emit addressAndStreetTextChanged();
}
featureLayer->selectFeature(m_selectedFeature);
return;
}
}
}
}
void EditFeaturesWithFeatureLinkedAnnotation::clearSelection()
{
for (Layer* layer : *m_map->operationalLayers())
{
FeatureLayer* featureLayer = dynamic_cast<FeatureLayer*>(layer);
if (featureLayer)
featureLayer->clearSelection();
}
}
void EditFeaturesWithFeatureLinkedAnnotation::moveFeature(Point mapPoint)
{
const Geometry geom = m_selectedFeature->geometry();
const Point projectedMapPoint = geometry_cast<Point>(GeometryEngine::project(mapPoint, geom.spatialReference()));
if (geom.geometryType() == GeometryType::Polyline)
{
// get nearest vertex to the map point on the selected polyline
const ProximityResult nearestVertex = GeometryEngine::nearestVertex(geom, projectedMapPoint);
const PolylineBuilder polylineBuilder(geom);
// get part of polyline nearest to map point
Part* part = polylineBuilder.parts()->part(nearestVertex.partIndex());
// remove nearest point to map point
part->removePoint(nearestVertex.pointIndex());
// add the map point as a new point
part->addPoint(projectedMapPoint);
// update the selected feature with the new geometry
m_selectedFeature->setGeometry(polylineBuilder.toGeometry());
}
else if (geom.geometryType() == GeometryType::Point)
{
// if the selected feature is a point, change the geometry with the map point
m_selectedFeature->setGeometry(mapPoint);
}
// update the selected feature with the new geometry
m_selectedFeature->featureTable()->updateFeature(m_selectedFeature);
clearSelection();
delete m_selectedFeature;
m_selectedFeature = nullptr;
}
void EditFeaturesWithFeatureLinkedAnnotation::updateSelectedFeature(const QString& address, const QString& streetName)
{
if (!m_selectedFeature)
return;
// update the two attributes with the inputted text.
m_selectedFeature->attributes()->replaceAttribute(s_ad_address, address);
m_selectedFeature->attributes()->replaceAttribute(s_st_str_nam, streetName);
m_selectedFeature->featureTable()->updateFeature(m_selectedFeature);
}