Update attributes (feature service)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 // [WriteFile Name=UpdateAttributesFeatureService, 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  // sample headers #include "UpdateAttributesFeatureService.h"  // ArcGIS Maps SDK headers #include "ArcGISFeature.h" #include "AttributeListModel.h" #include "Basemap.h" #include "CalloutData.h" #include "Envelope.h" #include "Feature.h" #include "FeatureEditResult.h" #include "FeatureIterator.h" #include "FeatureLayer.h" #include "FeatureQueryResult.h" #include "IdentifyLayerResult.h" #include "LayerListModel.h" #include "Map.h" #include "MapQuickView.h" #include "MapTypes.h" #include "MapViewTypes.h" #include "Point.h" #include "QueryParameters.h" #include "ServiceFeatureTable.h" #include "SpatialReference.h" #include "Viewpoint.h"  // Qt headers #include <QFuture> #include <QMouseEvent> #include <QUrl> #include <QUuid>  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;  }; }  UpdateAttributesFeatureService::UpdateAttributesFeatureService(QQuickItem* parent) :  QQuickItem(parent) { }  UpdateAttributesFeatureService::~UpdateAttributesFeatureService() = default;  void UpdateAttributesFeatureService::init() {  qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");  qmlRegisterType<UpdateAttributesFeatureService>("Esri.Samples", 1, 0, "UpdateAttributesFeatureServiceSample");  qmlRegisterUncreatableType<CalloutData>("Esri.Samples", 1, 0, "CalloutData", "CalloutData is an uncreatable type"); }  void UpdateAttributesFeatureService::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 UpdateAttributesFeatureService::connectSignals() {  // connect to the mouse clicked signal on the MapQuickView  connect(m_mapView, &MapQuickView::mouseClicked, this, [this](QMouseEvent& mouseEvent)  {  // first clear the selection  m_featureLayer->clearSelection();   // set the properties for qml  emit hideWindow();   // call identify on the map view  m_mapView->identifyLayerAsync(m_featureLayer, mouseEvent.position(), 5, false, 1).then(this, [this](IdentifyLayerResult* identifyResult)  {  onIdentifyLayerCompleted_(identifyResult);  });  });   // connect to the viewpoint changed signal on the MapQuickView  connect(m_mapView, &MapQuickView::viewpointChanged, this, [this]()  {  m_featureLayer->clearSelection();  emit hideWindow();  }); }  void UpdateAttributesFeatureService::updateSelectedFeature(QString fieldVal) {  // If the last connection is still hanging around we want to ensure it is disconnected.  disconnect(m_featureLoadStatusChangedConnection);   // connect to load status changed signal, remember the connection so we can kill it once  // the slot has invoked.  m_featureLoadStatusChangedConnection =  connect(  m_selectedFeature, &ArcGISFeature::loadStatusChanged,  this, [this, fieldVal](LoadStatus)  {  if (m_selectedFeature->loadStatus() == LoadStatus::Loaded)  {  // The conenction is invoked so we now forget all about this connection after this point.  disconnect(m_featureLoadStatusChangedConnection);   // update the select feature's attribute value  m_selectedFeature->attributes()->replaceAttribute("typdamage", fieldVal);   // update the feature in the feature table  m_featureTable->updateFeatureAsync(m_selectedFeature).then(this, [this]()  {  m_featureTable->applyEditsAsync().then(this, [this](const QList<FeatureEditResult*>& featureEditResults)  {  onApplyEditsCompleted_(featureEditResults);  });  });  }  }  );   // load selecte feature  m_selectedFeature->load(); }  QString UpdateAttributesFeatureService::featureType() const {  return m_featureType; }  void UpdateAttributesFeatureService::onIdentifyLayerCompleted_(IdentifyLayerResult* identifyResult) {  if (!identifyResult)  return;   if (!identifyResult->geoElements().empty())  {  // select the item in the result  m_featureLayer->selectFeature(static_cast<Feature*>(identifyResult->geoElements().at(0)));  // Update the parent so the featureLayer is not deleted when the identifyResult is deleted.  m_featureLayer->setParent(this);   // obtain the selected feature with attributes  QueryParameters queryParams;  QString whereClause = "objectid=" + identifyResult->geoElements().at(0)->attributes()->attributeValue("objectid").toString();  queryParams.setWhereClause(whereClause);  m_featureTable->queryFeaturesAsync(queryParams).then(this, [this](FeatureQueryResult* featureQueryResult)  {  onQueryFeaturesCompleted_(featureQueryResult);  });  } }  void UpdateAttributesFeatureService::onQueryFeaturesCompleted_(FeatureQueryResult* featureQueryResult) {  if (featureQueryResult && featureQueryResult->iterator().hasNext())  {  // first delete if not nullptr  if (m_selectedFeature)  delete m_selectedFeature;   // set selected feature member  m_selectedFeature = static_cast<ArcGISFeature*>(featureQueryResult->iterator().next(this));  m_selectedFeature->setParent(this);  m_featureType = m_selectedFeature->attributes()->attributeValue("typdamage").toString();  m_mapView->calloutData()->setTitle(QString("<br><font size=\"+2\"><b>%1</b></font>").arg(m_featureType));  m_mapView->calloutData()->setLocation(m_selectedFeature->geometry().extent().center());  emit featureTypeChanged();  emit featureSelected();  } }  void UpdateAttributesFeatureService::onApplyEditsCompleted_(const QList<FeatureEditResult*>& featureEditResults) {  // Lock is a convenience wrapper that deletes the contents of featureEditResults when we leave scope.  FeatureEditListResultLock lock(featureEditResults);   // check if result list is not empty  if (!lock.results.isEmpty())  {  // obtain the first item in the list  FeatureEditResult* featureEditResult = lock.results.first();  // check if there were errors, and if not, log the new object ID  if (!featureEditResult->isCompletedWithErrors())  qDebug() << "Successfully updated attribute for Object ID:" << featureEditResult->objectId();  else  qDebug() << "Apply edits error.";  }  m_featureLayer->clearSelection(); }