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// [WriteFile Name=EditFeatureAttachments, 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 "EditFeatureAttachments.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 "ArcGISFeature.h"
#include "FeatureEditResult.h"
#include "FeatureQueryResult.h"
#include "AttachmentListModel.h"
#include "MapViewTypes.h"
#include "MapTypes.h"
#include "LayerListModel.h"
#include "TaskWatcher.h"
#include "IdentifyLayerResult.h"
#include "QueryParameters.h"
#include "AttributeListModel.h"
#include "FeatureIterator.h"
#include "CalloutData.h"
#include "Error.h"
#include "Attachment.h"
#include "Envelope.h"
#include <QUrl>
#include <QUuid>
#include <QMouseEvent>
#include <QFile>
#include <QFileInfo>
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;
};
}
EditFeatureAttachments::EditFeatureAttachments(QQuickItem* parent) :
QQuickItem(parent)
{
}
EditFeatureAttachments::~EditFeatureAttachments() = default;
void EditFeatureAttachments::init()
{
qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
qmlRegisterType<EditFeatureAttachments>("Esri.Samples", 1, 0, "EditFeatureAttachmentsSample");
qmlRegisterUncreatableType<QAbstractListModel>("Esri.Samples", 1, 0, "AbstractListModel", "AbstractListModel is uncreateable");
qmlRegisterUncreatableType<CalloutData>("Esri.Samples", 1, 0, "CalloutData", "CalloutData is an uncreatable type");
}
void EditFeatureAttachments::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 EditFeatureAttachments::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->identifyLayer(m_featureLayer, mouseEvent.position().x(), mouseEvent.position().y(), 5, false, 1);
});
// connect to the viewpoint changed signal on the MapQuickView
connect(m_mapView, &MapQuickView::viewpointChanged, this, [this]()
{
m_featureLayer->clearSelection();
emit hideWindow();
});
// connect to the identifyLayerCompleted signal on the map view
connect(m_mapView, &MapQuickView::identifyLayerCompleted,
this, [this](const QUuid&, 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)));
// obtain the selected feature with attributes
QueryParameters queryParams;
m_whereClause = "objectid=" + identifyResult->geoElements().at(0)->attributes()->attributeValue("objectid").toString();
queryParams.setWhereClause(m_whereClause);
m_featureTable->queryFeatures(queryParams);
}
});
// connect to the queryFeaturesCompleted signal on the feature table
connect(m_featureTable, &FeatureTable::queryFeaturesCompleted,
this, [this](const QUuid&, FeatureQueryResult* featureQueryResult)
{
if (featureQueryResult && featureQueryResult->iterator().hasNext())
{
// first delete if not nullptr
if (m_selectedFeature)
delete m_selectedFeature;
// set selected feature and attachment model members
m_selectedFeature = static_cast<ArcGISFeature*>(featureQueryResult->iterator().next(this));
// Don't delete selected feature when parent featureQueryResult is deleted.
m_selectedFeature->setParent(this);
const QString featureType = m_selectedFeature->attributes()->attributeValue(QStringLiteral("typdamage")).toString();
m_mapView->calloutData()->setLocation(m_selectedFeature->geometry().extent().center());
m_mapView->calloutData()->setTitle(QString("<b>%1</b>").arg(featureType));
emit featureSelected();
emit attachmentModelChanged();
// get the number of attachments
connect(m_selectedFeature->attachments(), &AttachmentListModel::fetchAttachmentsCompleted,
this, [this](const QUuid&, const QList<Attachment*>& attachments)
{
m_mapView->calloutData()->setDetail(QString("Number of attachments: %1").arg(attachments.size()));
m_mapView->calloutData()->setVisible(true); // Resizes the calloutData after details has been set.
});
}
});
// connect to the applyEditsCompleted signal from the ServiceFeatureTable
connect(m_featureTable, &ServiceFeatureTable::applyEditsCompleted,
this, [this](const QUuid&, const QList<FeatureEditResult*>& featureEditResults)
{
// Lock is a convenience wrapper that deletes the contents of featureEditResults when we leave scope.
FeatureEditListResultLock lock(featureEditResults);
if (lock.results.length() > 0)
{
// obtain the first item in the list
FeatureEditResult* featureEditResult = lock.results.first();
// check if there were errors
if (!featureEditResult->isCompletedWithErrors())
{
qDebug() << "Successfully edited feature attachments";
// update the selected feature with attributes
QueryParameters queryParams;
queryParams.setWhereClause(m_whereClause);
m_featureTable->queryFeatures(queryParams);
}
else
{
qDebug() << "Apply edits error:" << featureEditResult->error().message();
}
}
});
}
QAbstractListModel* EditFeatureAttachments::attachmentModel() const
{
return m_selectedFeature ? m_selectedFeature->attachments() : nullptr;
}
void EditFeatureAttachments::addAttachment(const QUrl& fileUrl, const QString& contentType)
{
if (QFile::exists(fileUrl.toLocalFile()))
{
const QFileInfo fileInfo(fileUrl.path());
const QString fileName = fileInfo.fileName();
disconnect(m_attachmentConnection); // disconnect previous connection if necessary
if (m_selectedFeature->loadStatus() == LoadStatus::Loaded)
{
QFile file(fileUrl.toLocalFile());
m_selectedFeature->attachments()->addAttachment(&file, contentType, fileName);
}
else
{
m_attachmentConnection = connect(m_selectedFeature, &ArcGISFeature::loadStatusChanged,
this, [this, fileUrl, contentType, fileName](Esri::ArcGISRuntime::LoadStatus)
{
if (m_selectedFeature->loadStatus() == LoadStatus::Loaded)
{
QFile file(fileUrl.toLocalFile());
disconnect(m_attachmentConnection);
m_selectedFeature->attachments()->addAttachment(&file, contentType, fileName);
}
});
m_selectedFeature->load();
}
}
}
void EditFeatureAttachments::deleteAttachment(int index)
{
disconnect(m_attachmentConnection); // disconnect previous connection if necessary
if (m_selectedFeature->loadStatus() == LoadStatus::Loaded)
{
qDebug() << "Attachments size: " << m_selectedFeature->attachments()->rowCount();
m_selectedFeature->attachments()->deleteAttachment(index);
}
else
{
m_attachmentConnection = connect(m_selectedFeature, &ArcGISFeature::loadStatusChanged,
this, [this, index](Esri::ArcGISRuntime::LoadStatus)
{
if (m_selectedFeature->loadStatus() == LoadStatus::Loaded)
{
disconnect(m_attachmentConnection);
m_selectedFeature->attachments()->deleteAttachment(index);
}
});
m_selectedFeature->load();
}
}