void QgsMapToolSelectUtils::setSelectedFeatures( QgsMapCanvas *canvas, const QgsGeometry &selectGeometry,
QgsVectorLayer::SelectBehavior selectBehavior, bool doContains, bool singleSelect )
{
QgsVectorLayer *vlayer = QgsMapToolSelectUtils::getCurrentVectorLayer( canvas );
if ( !vlayer )
return;
QApplication::setOverrideCursor( Qt::WaitCursor );
QgsFeatureIds selectedFeatures = getMatchingFeatures( canvas, selectGeometry, doContains, singleSelect );
vlayer->selectByIds( selectedFeatures, selectBehavior );
QApplication::restoreOverrideCursor();
}
QgsLayerRestorer::~QgsLayerRestorer()
{
for ( QgsMapLayer *layer : mLayerSettings.keys() )
{
QgsLayerSettings settings = mLayerSettings[layer];
layer->styleManager()->setCurrentStyle( settings.mNamedStyle );
layer->setName( mLayerSettings[layer].name );
// if a SLD file has been loaded for rendering, we restore the previous one
QString errMsg;
QDomElement root = settings.mSldStyle.firstChildElement( "StyledLayerDescriptor" );
QDomElement el = root.firstChildElement( "NamedLayer" );
if ( layer->customProperty( "readSLD", false ).toBool() )
{
layer->readSld( el, errMsg );
}
layer->removeCustomProperty( "readSLD" );
switch ( layer->type() )
{
case QgsMapLayer::LayerType::VectorLayer:
{
QgsVectorLayer *vLayer = qobject_cast<QgsVectorLayer *>( layer );
if ( vLayer )
{
vLayer->setOpacity( settings.mOpacity );
vLayer->selectByIds( settings.mSelectedFeatureIds );
vLayer->setSubsetString( settings.mFilter );
}
break;
}
case QgsMapLayer::LayerType::RasterLayer:
{
QgsRasterLayer *rLayer = qobject_cast<QgsRasterLayer *>( layer );
if ( rLayer )
{
rLayer->renderer()->setOpacity( settings.mOpacity );
}
break;
}
case QgsMapLayer::MeshLayer:
case QgsMapLayer::PluginLayer:
break;
}
}
}
QVariantMap QgsSelectByLocationAlgorithm::processAlgorithm( const QVariantMap ¶meters, QgsProcessingContext &context, QgsProcessingFeedback *feedback )
{
QgsVectorLayer *selectLayer = parameterAsVectorLayer( parameters, QStringLiteral( "INPUT" ), context );
QgsVectorLayer::SelectBehavior method = static_cast< QgsVectorLayer::SelectBehavior >( parameterAsEnum( parameters, QStringLiteral( "METHOD" ), context ) );
std::unique_ptr< QgsFeatureSource > intersectSource( parameterAsSource( parameters, QStringLiteral( "INTERSECT" ), context ) );
const QList< int > selectedPredicates = parameterAsEnums( parameters, QStringLiteral( "PREDICATE" ), context );
QgsFeatureIds selectedIds;
auto addToSelection = [&]( const QgsFeature & feature )
{
selectedIds.insert( feature.id() );
};
process( selectLayer, intersectSource.get(), selectedPredicates, addToSelection, true, feedback );
selectLayer->selectByIds( selectedIds, method );
QVariantMap results;
results.insert( QStringLiteral( "OUTPUT" ), parameters.value( QStringLiteral( "INPUT" ) ) );
return results;
}
void QgsMapToolSelectUtils::selectSingleFeature( QgsMapCanvas *canvas, const QgsGeometry &selectGeometry, Qt::KeyboardModifiers modifiers )
{
QgsVectorLayer *vlayer = QgsMapToolSelectUtils::getCurrentVectorLayer( canvas );
if ( !vlayer )
return;
QApplication::setOverrideCursor( Qt::WaitCursor );
QgsFeatureIds selectedFeatures = getMatchingFeatures( canvas, selectGeometry, false, true );
if ( selectedFeatures.isEmpty() )
{
if ( !( modifiers & Qt::ShiftModifier || modifiers & Qt::ControlModifier ) )
{
// if no modifiers then clicking outside features clears the selection
// but if there's a shift or ctrl modifier, then it's likely the user was trying
// to modify an existing selection by adding or subtracting features and just
// missed the feature
vlayer->removeSelection();
}
QApplication::restoreOverrideCursor();
return;
}
QgsVectorLayer::SelectBehavior behavior = QgsVectorLayer::SetSelection;
//either shift or control modifier switches to "toggle" selection mode
if ( modifiers & Qt::ShiftModifier || modifiers & Qt::ControlModifier )
{
QgsFeatureId selectId = *selectedFeatures.constBegin();
QgsFeatureIds layerSelectedFeatures = vlayer->selectedFeatureIds();
if ( layerSelectedFeatures.contains( selectId ) )
behavior = QgsVectorLayer::RemoveFromSelection;
else
behavior = QgsVectorLayer::AddToSelection;
}
vlayer->selectByIds( selectedFeatures, behavior );
QApplication::restoreOverrideCursor();
}
/**
* Selection routine called by the mouse release event
* @param point = QgsPointXY representing the x, y coordinates of the mouse release event
*/
void eVisEventIdTool::select( const QgsPointXY &point )
{
if ( !mCanvas )
return;
QgsVectorLayer *myLayer = ( QgsVectorLayer * )mCanvas->currentLayer();
// create the search rectangle. this was modeled after the QgsMapIdentifyTool in core QGIS application
double searchWidth = QgsMapTool::searchRadiusMU( mCanvas );
QgsRectangle myRectangle;
myRectangle.setXMinimum( point.x() - searchWidth );
myRectangle.setXMaximum( point.x() + searchWidth );
myRectangle.setYMinimum( point.y() - searchWidth );
myRectangle.setYMaximum( point.y() + searchWidth );
//Transform rectangle to map coordinates
myRectangle = toLayerCoordinates( myLayer, myRectangle );
//select features
QgsFeatureIterator fit = myLayer->getFeatures( QgsFeatureRequest().setFilterRect( myRectangle ).setFlags( QgsFeatureRequest::ExactIntersect ).setSubsetOfAttributes( QgsAttributeList() ) );
QgsFeature f;
QgsFeatureIds newSelectedFeatures;
while ( fit.nextFeature( f ) )
{
newSelectedFeatures.insert( f.id() );
}
myLayer->selectByIds( newSelectedFeatures );
//Launch a new event browser to view selected features
mBrowser = new eVisGenericEventBrowserGui( mCanvas, mCanvas, nullptr );
mBrowser->setAttribute( Qt::WA_DeleteOnClose );
}
QDomDocument createTransactionDocument( QgsServerInterface* serverIface, const QString& version,
const QgsServerRequest& request )
{
Q_UNUSED( version );
QDomDocument doc;
QgsWfsProjectParser* configParser = getConfigParser( serverIface );
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsAccessControl* accessControl = serverIface->accessControls();
#endif
const QString requestBody = request.getParameter( QStringLiteral( "REQUEST_BODY" ) );
QString errorMsg;
if ( !doc.setContent( requestBody, true, &errorMsg ) )
{
throw QgsRequestNotWellFormedException( errorMsg );
}
QDomElement docElem = doc.documentElement();
QDomNodeList docChildNodes = docElem.childNodes();
// Re-organize the transaction document
QDomDocument mDoc;
QDomElement mDocElem = mDoc.createElement( QStringLiteral( "myTransactionDocument" ) );
mDocElem.setAttribute( QStringLiteral( "xmlns" ), QGS_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:wfs" ), WFS_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:gml" ), GML_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:ogc" ), OGC_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:qgs" ), QGS_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:xsi" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema-instance" ) );
mDoc.appendChild( mDocElem );
QDomElement actionElem;
QString actionName;
QDomElement typeNameElem;
QString typeName;
for ( int i = docChildNodes.count(); 0 < i; --i )
{
actionElem = docChildNodes.at( i - 1 ).toElement();
actionName = actionElem.localName();
if ( actionName == QLatin1String( "Insert" ) )
{
QDomElement featureElem = actionElem.firstChild().toElement();
typeName = featureElem.localName();
}
else if ( actionName == QLatin1String( "Update" ) )
{
typeName = actionElem.attribute( QStringLiteral( "typeName" ) );
}
else if ( actionName == QLatin1String( "Delete" ) )
{
typeName = actionElem.attribute( QStringLiteral( "typeName" ) );
}
if ( typeName.contains( QLatin1String( ":" ) ) )
typeName = typeName.section( QStringLiteral( ":" ), 1, 1 );
QDomNodeList typeNameList = mDocElem.elementsByTagName( typeName );
if ( typeNameList.count() == 0 )
{
typeNameElem = mDoc.createElement( typeName );
mDocElem.appendChild( typeNameElem );
}
else
typeNameElem = typeNameList.at( 0 ).toElement();
typeNameElem.appendChild( actionElem );
}
// It's time to make the transaction
// Create the response document
QDomDocument resp;
//wfs:WFS_TransactionRespone element
QDomElement respElem = resp.createElement( QStringLiteral( "WFS_TransactionResponse" )/*wfs:WFS_TransactionResponse*/ );
respElem.setAttribute( QStringLiteral( "xmlns" ), WFS_NAMESPACE );
respElem.setAttribute( QStringLiteral( "xmlns:xsi" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema-instance" ) );
respElem.setAttribute( QStringLiteral( "xsi:schemaLocation" ), WFS_NAMESPACE + " http://schemas.opengis.net/wfs/1.0.0/wfs.xsd" );
respElem.setAttribute( QStringLiteral( "xmlns:ogc" ), OGC_NAMESPACE );
respElem.setAttribute( QStringLiteral( "version" ), QStringLiteral( "1.0.0" ) );
resp.appendChild( respElem );
// Store the created feature id for WFS
QStringList insertResults;
// Get the WFS layers id
QStringList wfsLayersId = configParser->wfsLayers();;
QList<QgsMapLayer*> layerList;
QgsMapLayer* currentLayer = nullptr;
// Loop through the layer transaction elements
docChildNodes = mDocElem.childNodes();
for ( int i = 0; i < docChildNodes.count(); ++i )
{
// Get the vector layer
typeNameElem = docChildNodes.at( i ).toElement();
typeName = typeNameElem.tagName();
layerList = configParser->mapLayerFromTypeName( typeName );
// Could be empty!
if ( layerList.count() > 0 )
{
currentLayer = layerList.at( 0 );
}
else
{
throw QgsRequestNotWellFormedException( QStringLiteral( "Wrong TypeName: %1" ).arg( typeName ) );
}
QgsVectorLayer* layer = qobject_cast<QgsVectorLayer*>( currentLayer );
// it's a vectorlayer and defined by the administrator as a WFS layer
if ( layer && wfsLayersId.contains( layer->id() ) )
{
#ifdef HAVE_SERVER_PYTHON_PLUGINS
if ( actionName == QLatin1String( "Insert" ) )
{
if ( !accessControl->layerInsertPermission( layer ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature insert permission denied" ) );
}
}
else if ( actionName == QLatin1String( "Update" ) )
{
if ( !accessControl->layerUpdatePermission( layer ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature update permission denied" ) );
}
}
else if ( actionName == QLatin1String( "Delete" ) )
{
if ( !accessControl->layerDeletePermission( layer ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature delete permission denied" ) );
}
}
#endif
// Get the provider and it's capabilities
QgsVectorDataProvider* provider = layer->dataProvider();
if ( !provider )
{
continue;
}
int cap = provider->capabilities();
// Start the update transaction
layer->startEditing();
if (( cap & QgsVectorDataProvider::ChangeAttributeValues ) && ( cap & QgsVectorDataProvider::ChangeGeometries ) )
{
// Loop through the update elements for this layer
QDomNodeList upNodeList = typeNameElem.elementsByTagNameNS( WFS_NAMESPACE, QStringLiteral( "Update" ) );
for ( int j = 0; j < upNodeList.count(); ++j )
{
if ( !configParser->wfstUpdateLayers().contains( layer->id() ) )
{
//no wfs permissions to do updates
QString errorMsg = "No permissions to do WFS updates on layer '" + layer->name() + "'";
QgsMessageLog::logMessage( errorMsg, QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
addTransactionResult( resp, respElem, QStringLiteral( "FAILED" ), QStringLiteral( "Update" ), errorMsg );
return resp;
}
actionElem = upNodeList.at( j ).toElement();
// Get the Feature Ids for this filter on the layer
QDomElement filterElem = actionElem.elementsByTagName( QStringLiteral( "Filter" ) ).at( 0 ).toElement();
QgsFeatureIds fids = getFeatureIdsFromFilter( filterElem, layer );
// Loop through the property elements
// Store properties and the geometry element
QDomNodeList propertyNodeList = actionElem.elementsByTagName( QStringLiteral( "Property" ) );
QMap<QString, QString> propertyMap;
QDomElement propertyElem;
QDomElement nameElem;
QDomElement valueElem;
QDomElement geometryElem;
for ( int l = 0; l < propertyNodeList.count(); ++l )
{
propertyElem = propertyNodeList.at( l ).toElement();
nameElem = propertyElem.elementsByTagName( QStringLiteral( "Name" ) ).at( 0 ).toElement();
valueElem = propertyElem.elementsByTagName( QStringLiteral( "Value" ) ).at( 0 ).toElement();
if ( nameElem.text() != QLatin1String( "geometry" ) )
{
propertyMap.insert( nameElem.text(), valueElem.text() );
}
else
{
geometryElem = valueElem;
}
}
// Update the features
QgsFields fields = provider->fields();
QMap<QString, int> fieldMap = provider->fieldNameMap();
QMap<QString, int>::const_iterator fieldMapIt;
QString fieldName;
bool conversionSuccess;
QgsFeatureIds::const_iterator fidIt = fids.constBegin();
for ( ; fidIt != fids.constEnd(); ++fidIt )
{
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest( *fidIt ) );
QgsFeature feature;
while ( fit.nextFeature( feature ) )
{
if ( !accessControl->allowToEdit( layer, feature ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
}
#endif
QMap< QString, QString >::const_iterator it = propertyMap.constBegin();
for ( ; it != propertyMap.constEnd(); ++it )
{
fieldName = it.key();
fieldMapIt = fieldMap.find( fieldName );
if ( fieldMapIt == fieldMap.constEnd() )
{
continue;
}
QgsField field = fields.at( fieldMapIt.value() );
if ( field.type() == 2 )
layer->changeAttributeValue( *fidIt, fieldMapIt.value(), it.value().toInt( &conversionSuccess ) );
else if ( field.type() == 6 )
layer->changeAttributeValue( *fidIt, fieldMapIt.value(), it.value().toDouble( &conversionSuccess ) );
else
layer->changeAttributeValue( *fidIt, fieldMapIt.value(), it.value() );
}
if ( !geometryElem.isNull() )
{
QgsGeometry g = QgsOgcUtils::geometryFromGML( geometryElem );
if ( !layer->changeGeometry( *fidIt, g ) )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "Error in change geometry" ) );
}
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
fit = layer->getFeatures( QgsFeatureRequest( *fidIt ) );
while ( fit.nextFeature( feature ) )
{
if ( !accessControl->allowToEdit( layer, feature ) )
{
layer->rollBack();
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
}
#endif
}
}
}
// Commit the changes of the update elements
if ( !layer->commitChanges() )
{
addTransactionResult( resp, respElem, QStringLiteral( "PARTIAL" ), QStringLiteral( "Update" ), layer->commitErrors().join( QStringLiteral( "\n " ) ) );
return resp;
}
// Start the delete transaction
layer->startEditing();
if (( cap & QgsVectorDataProvider::DeleteFeatures ) )
{
// Loop through the delete elements
QDomNodeList delNodeList = typeNameElem.elementsByTagNameNS( WFS_NAMESPACE, QStringLiteral( "Delete" ) );
for ( int j = 0; j < delNodeList.count(); ++j )
{
if ( !configParser->wfstDeleteLayers().contains( layer->id() ) )
{
//no wfs permissions to do updates
QString errorMsg = "No permissions to do WFS deletes on layer '" + layer->name() + "'";
QgsMessageLog::logMessage( errorMsg, QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
addTransactionResult( resp, respElem, QStringLiteral( "FAILED" ), QStringLiteral( "Delete" ), errorMsg );
return resp;
}
actionElem = delNodeList.at( j ).toElement();
QDomElement filterElem = actionElem.firstChild().toElement();
// Get Feature Ids for the Filter element
QgsFeatureIds fids = getFeatureIdsFromFilter( filterElem, layer );
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsFeatureIds::const_iterator fidIt = fids.constBegin();
for ( ; fidIt != fids.constEnd(); ++fidIt )
{
QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest( *fidIt ) );
QgsFeature feature;
while ( fit.nextFeature( feature ) )
{
if ( !accessControl->allowToEdit( layer, feature ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
}
}
#endif
layer->selectByIds( fids );
layer->deleteSelectedFeatures();
}
}
// Commit the changes of the delete elements
if ( !layer->commitChanges() )
{
addTransactionResult( resp, respElem, QStringLiteral( "PARTIAL" ), QStringLiteral( "Delete" ), layer->commitErrors().join( QStringLiteral( "\n " ) ) );
return resp;
}
// Store the inserted features
QgsFeatureList inFeatList;
if ( cap & QgsVectorDataProvider::AddFeatures )
{
// Get Layer Field Information
QgsFields fields = provider->fields();
QMap<QString, int> fieldMap = provider->fieldNameMap();
QMap<QString, int>::const_iterator fieldMapIt;
// Loop through the insert elements
QDomNodeList inNodeList = typeNameElem.elementsByTagNameNS( WFS_NAMESPACE, QStringLiteral( "Insert" ) );
for ( int j = 0; j < inNodeList.count(); ++j )
{
if ( !configParser->wfstInsertLayers().contains( layer->id() ) )
{
//no wfs permissions to do updates
QString errorMsg = "No permissions to do WFS inserts on layer '" + layer->name() + "'";
QgsMessageLog::logMessage( errorMsg, QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
addTransactionResult( resp, respElem, QStringLiteral( "FAILED" ), QStringLiteral( "Insert" ), errorMsg );
return resp;
}
actionElem = inNodeList.at( j ).toElement();
// Loop through the feature element
QDomNodeList featNodes = actionElem.childNodes();
for ( int l = 0; l < featNodes.count(); l++ )
{
// Add the feature to the layer
// and store it to put it's Feature Id in the response
inFeatList << QgsFeature( fields );
// Create feature for this layer
QDomElement featureElem = featNodes.at( l ).toElement();
QDomNode currentAttributeChild = featureElem.firstChild();
while ( !currentAttributeChild.isNull() )
{
QDomElement currentAttributeElement = currentAttributeChild.toElement();
QString attrName = currentAttributeElement.localName();
if ( attrName != QLatin1String( "boundedBy" ) )
{
if ( attrName != QLatin1String( "geometry" ) ) //a normal attribute
{
fieldMapIt = fieldMap.find( attrName );
if ( fieldMapIt == fieldMap.constEnd() )
{
continue;
}
QgsField field = fields.at( fieldMapIt.value() );
QString attrValue = currentAttributeElement.text();
int attrType = field.type();
QgsMessageLog::logMessage( QStringLiteral( "attr: name=%1 idx=%2 value=%3" ).arg( attrName ).arg( fieldMapIt.value() ).arg( attrValue ) );
if ( attrType == QVariant::Int )
inFeatList.last().setAttribute( fieldMapIt.value(), attrValue.toInt() );
else if ( attrType == QVariant::Double )
inFeatList.last().setAttribute( fieldMapIt.value(), attrValue.toDouble() );
else
inFeatList.last().setAttribute( fieldMapIt.value(), attrValue );
}
else //a geometry attribute
{
QgsGeometry g = QgsOgcUtils::geometryFromGML( currentAttributeElement );
inFeatList.last().setGeometry( g );
}
}
currentAttributeChild = currentAttributeChild.nextSibling();
}
}
}
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsFeatureList::iterator featureIt = inFeatList.begin();
while ( featureIt != inFeatList.end() )
{
if ( !accessControl->allowToEdit( layer, *featureIt ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
featureIt++;
}
#endif
// add the features
if ( !provider->addFeatures( inFeatList ) )
{
addTransactionResult( resp, respElem, QStringLiteral( "Partial" ), QStringLiteral( "Insert" ), layer->commitErrors().join( QStringLiteral( "\n " ) ) );
if ( provider->hasErrors() )
{
provider->clearErrors();
}
return resp;
}
// Get the Feature Ids of the inserted feature
for ( int j = 0; j < inFeatList.size(); j++ )
{
insertResults << typeName + "." + QString::number( inFeatList[j].id() );
}
}
}
// Put the Feature Ids of the inserted feature
if ( !insertResults.isEmpty() )
{
Q_FOREACH ( const QString &fidStr, insertResults )
{
QDomElement irElem = doc.createElement( QStringLiteral( "InsertResult" ) );
QDomElement fiElem = doc.createElement( QStringLiteral( "ogc:FeatureId" ) );
fiElem.setAttribute( QStringLiteral( "fid" ), fidStr );
irElem.appendChild( fiElem );
respElem.appendChild( irElem );
}
void QgsGeometryCheckerSetupTab::runChecks()
{
// Get selected layer
QList<QgsVectorLayer *> layers = getSelectedLayers();
if ( layers.isEmpty() )
return;
if ( ui.radioButtonOutputNew->isChecked() )
{
for ( QgsVectorLayer *layer : layers )
{
if ( layer->dataProvider()->dataSourceUri().startsWith( ui.lineEditOutputDirectory->text() ) )
{
QMessageBox::critical( this, tr( "Invalid Output Directory" ), tr( "The chosen output directory contains one or more input layers." ) );
return;
}
}
}
QgsVectorLayer *lineLayerCheckLayer = ui.comboLineLayerIntersection->isEnabled() ? dynamic_cast<QgsVectorLayer *>( QgsProject::instance()->mapLayer( ui.comboLineLayerIntersection->currentData().toString() ) ) : nullptr;
QgsVectorLayer *followBoundaryCheckLayer = ui.comboBoxFollowBoundaries->isEnabled() ? dynamic_cast<QgsVectorLayer *>( QgsProject::instance()->mapLayer( ui.comboBoxFollowBoundaries->currentData().toString() ) ) : nullptr;
if ( layers.contains( lineLayerCheckLayer ) || layers.contains( followBoundaryCheckLayer ) )
{
QMessageBox::critical( this, tr( "Error" ), tr( "The test layer set contains a layer selected for a topology check." ) );
return;
}
for ( QgsVectorLayer *layer : layers )
{
if ( layer->isEditable() )
{
QMessageBox::critical( this, tr( "Editable Input Layer" ), tr( "Input layer are not allowed to be in editing mode." ) );
return;
}
}
bool selectedOnly = ui.checkBoxInputSelectedOnly->isChecked();
// Set window busy
setCursor( Qt::WaitCursor );
mRunButton->setEnabled( false );
ui.labelStatus->setText( tr( "<b>Preparing output...</b>" ) );
ui.labelStatus->show();
QApplication::processEvents( QEventLoop::ExcludeUserInputEvents );
QList<QgsVectorLayer *> processLayers;
if ( ui.radioButtonOutputNew->isChecked() )
{
// Get output directory and file extension
QDir outputDir = QDir( ui.lineEditOutputDirectory->text() );
QString outputDriverName = ui.comboBoxOutputFormat->currentText();
QgsVectorFileWriter::MetaData metadata;
if ( !QgsVectorFileWriter::driverMetadata( outputDriverName, metadata ) )
{
QMessageBox::critical( this, tr( "Unknown Output Format" ), tr( "The specified output format cannot be recognized." ) );
mRunButton->setEnabled( true );
ui.labelStatus->hide();
unsetCursor();
return;
}
QString outputExtension = metadata.ext;
// List over input layers, check which existing project layers need to be removed and create output layers
QString filenamePrefix = ui.lineEditFilenamePrefix->text();
QSettings().setValue( "/geometry_checker/previous_values/filename_prefix", filenamePrefix );
QStringList toRemove;
QStringList createErrors;
for ( QgsVectorLayer *layer : layers )
{
QString outputPath = outputDir.absoluteFilePath( filenamePrefix + layer->name() + "." + outputExtension );
// Remove existing layer with same uri from project
for ( QgsVectorLayer *projectLayer : QgsProject::instance()->layers<QgsVectorLayer *>() )
{
if ( projectLayer->dataProvider()->dataSourceUri().startsWith( outputPath ) )
{
toRemove.append( projectLayer->id() );
}
}
// Create output layer
QString errMsg;
QgsVectorFileWriter::WriterError err = QgsVectorFileWriter::writeAsVectorFormat( layer, outputPath, layer->dataProvider()->encoding(), layer->crs(), outputDriverName, selectedOnly, &errMsg );
if ( err != QgsVectorFileWriter::NoError )
{
createErrors.append( errMsg );
continue;
}
QgsVectorLayer *newlayer = new QgsVectorLayer( outputPath, QFileInfo( outputPath ).completeBaseName(), QStringLiteral( "ogr" ) );
if ( selectedOnly )
{
QgsFeature feature;
// Get features to select (only selected features were written up to this point)
QgsFeatureIds selectedFeatures = newlayer->allFeatureIds();
// Write non-selected feature ids
QgsFeatureList features;
QgsFeatureIterator it = layer->getFeatures();
while ( it.nextFeature( feature ) )
{
if ( !layer->selectedFeatureIds().contains( feature.id() ) )
{
features.append( feature );
}
}
newlayer->dataProvider()->addFeatures( features );
// Set selected features
newlayer->selectByIds( selectedFeatures );
}
processLayers.append( newlayer );
}
// Remove layers from project
if ( !toRemove.isEmpty() )
{
QgsProject::instance()->removeMapLayers( toRemove );
}
// Error if an output layer could not be created
if ( !createErrors.isEmpty() )
{
QMessageBox::critical( this, tr( "Layer Creation Failed" ), tr( "Failed to create one or moure output layers:\n%1" ).arg( createErrors.join( "\n" ) ) );
mRunButton->setEnabled( true );
ui.labelStatus->hide();
unsetCursor();
return;
}
}
else
{
processLayers = layers;
}
// Check if output layers are editable
QList<QgsVectorLayer *> nonEditableLayers;
for ( QgsVectorLayer *layer : processLayers )
{
if ( ( layer->dataProvider()->capabilities() & QgsVectorDataProvider::ChangeGeometries ) == 0 )
{
nonEditableLayers.append( layer );
}
}
if ( !nonEditableLayers.isEmpty() )
{
QStringList nonEditableLayerNames;
for ( QgsVectorLayer *layer : nonEditableLayers )
{
nonEditableLayerNames.append( layer->name() );
}
if ( QMessageBox::Yes != QMessageBox::question( this, tr( "Non-editable Output Layers" ), tr( "The following output layers are ina format that does not support editing features:\n%1\n\nThe geometry check can be performed, but it will not be possible to fix any errors. Do you want to continue?" ).arg( nonEditableLayerNames.join( "\n" ) ), QMessageBox::Yes, QMessageBox::No ) )
{
if ( ui.radioButtonOutputNew->isChecked() )
{
for ( QgsVectorLayer *layer : processLayers )
{
QString layerPath = layer->dataProvider()->dataSourceUri();
delete layer;
if ( ui.comboBoxOutputFormat->currentText() == QLatin1String( "ESRI Shapefile" ) )
{
QgsVectorFileWriter::deleteShapeFile( layerPath );
}
else
{
QFile( layerPath ).remove();
}
}
mRunButton->setEnabled( true );
ui.labelStatus->hide();
unsetCursor();
}
return;
}
}
// Setup checker
ui.labelStatus->setText( tr( "<b>Building spatial index...</b>" ) );
QApplication::processEvents( QEventLoop::ExcludeUserInputEvents );
QMap<QString, QgsFeaturePool *> featurePools;
for ( QgsVectorLayer *layer : processLayers )
{
double layerToMapUntis = mIface->mapCanvas()->mapSettings().layerToMapUnits( layer );
QgsCoordinateTransform layerToMapTransform = QgsCoordinateTransformCache::instance()->transform( layer->crs().authid(), mIface->mapCanvas()->mapSettings().destinationCrs().authid() );
featurePools.insert( layer->id(), new QgsFeaturePool( layer, layerToMapUntis, layerToMapTransform, selectedOnly ) );
}
// LineLayerIntersection check is enabled, make sure there is also a feature pool for that layer
if ( ui.checkLineLayerIntersection->isChecked() && !featurePools.keys().contains( ui.comboLineLayerIntersection->currentData().toString() ) )
{
QgsVectorLayer *layer = dynamic_cast<QgsVectorLayer *>( QgsProject::instance()->mapLayer( ui.comboLineLayerIntersection->currentData().toString() ) );
Q_ASSERT( layer );
double layerToMapUntis = mIface->mapCanvas()->mapSettings().layerToMapUnits( layer );
QgsCoordinateTransform layerToMapTransform = QgsCoordinateTransformCache::instance()->transform( layer->crs().authid(), mIface->mapCanvas()->mapSettings().destinationCrs().authid() );
featurePools.insert( layer->id(), new QgsFeaturePool( layer, layerToMapUntis, layerToMapTransform, selectedOnly ) );
}
QgsGeometryCheckerContext *context = new QgsGeometryCheckerContext( ui.spinBoxTolerance->value(), mIface->mapCanvas()->mapSettings().destinationCrs().authid(), featurePools );
QList<QgsGeometryCheck *> checks;
for ( const QgsGeometryCheckFactory *factory : QgsGeometryCheckFactoryRegistry::getCheckFactories() )
{
QgsGeometryCheck *check = factory->createInstance( context, ui );
if ( check )
{
checks.append( check );
}
}
QgsGeometryChecker *checker = new QgsGeometryChecker( checks, context );
emit checkerStarted( checker );
if ( ui.radioButtonOutputNew->isChecked() )
{
QList<QgsMapLayer *> addLayers;
for ( QgsVectorLayer *layer : processLayers )
{
addLayers.append( layer );
}
QgsProject::instance()->addMapLayers( addLayers );
}
// Run
ui.buttonBox->addButton( mAbortButton, QDialogButtonBox::ActionRole );
mRunButton->hide();
ui.progressBar->setRange( 0, 0 );
ui.labelStatus->hide();
ui.progressBar->show();
ui.widgetInputs->setEnabled( false );
QEventLoop evLoop;
QFutureWatcher<void> futureWatcher;
connect( checker, &QgsGeometryChecker::progressValue, ui.progressBar, &QProgressBar::setValue );
connect( &futureWatcher, &QFutureWatcherBase::finished, &evLoop, &QEventLoop::quit );
connect( mAbortButton, &QAbstractButton::clicked, &futureWatcher, &QFutureWatcherBase::cancel );
connect( mAbortButton, &QAbstractButton::clicked, this, &QgsGeometryCheckerSetupTab::showCancelFeedback );
int maxSteps = 0;
futureWatcher.setFuture( checker->execute( &maxSteps ) );
ui.progressBar->setRange( 0, maxSteps );
evLoop.exec();
// Restore window
unsetCursor();
mAbortButton->setEnabled( true );
ui.buttonBox->removeButton( mAbortButton );
mRunButton->setEnabled( true );
mRunButton->show();
ui.progressBar->hide();
ui.labelStatus->hide();
ui.widgetInputs->setEnabled( true );
// Show result
emit checkerFinished( !futureWatcher.isCanceled() );
}
void QgsGeometrySnapperDialog::run()
{
//! Get layers *
QgsVectorLayer* layer = getInputLayer();
QgsVectorLayer* referenceLayer = getReferenceLayer();
if ( !layer || !referenceLayer )
{
return;
}
if ( radioButtonOutputNew->isChecked() &&
( layer->dataProvider()->dataSourceUri().startsWith( lineEditOutput->text() ) ||
referenceLayer->dataProvider()->dataSourceUri().startsWith( lineEditOutput->text() ) ) )
{
QMessageBox::critical( this, tr( "Invalid Output Layer" ), tr( "The chosen output layer is the same as an input layer." ) );
return;
}
bool selectedOnly = checkBoxInputSelectedOnly->isChecked();
//! Duplicate if necessary *
if ( radioButtonOutputNew->isChecked() )
{
QString filename = lineEditOutput->text();
// Remove existing layer with same uri
QStringList toRemove;
Q_FOREACH ( QgsMapLayer* maplayer, QgsMapLayerRegistry::instance()->mapLayers() )
{
if ( dynamic_cast<QgsVectorLayer*>( maplayer ) &&
static_cast<QgsVectorLayer*>( maplayer )->dataProvider()->dataSourceUri().startsWith( filename ) )
{
toRemove.append( maplayer->id() );
}
}
if ( !toRemove.isEmpty() )
{
QgsMapLayerRegistry::instance()->removeMapLayers( toRemove );
}
QString errMsg;
QgsVectorFileWriter::WriterError err = QgsVectorFileWriter::writeAsVectorFormat( layer, filename, layer->dataProvider()->encoding(), layer->crs(), mOutputDriverName, selectedOnly, &errMsg );
if ( err != QgsVectorFileWriter::NoError )
{
QMessageBox::critical( this, tr( "Layer Creation Failed" ), tr( "Failed to create the output layer: %1" ).arg( errMsg ) );
return;
}
QgsVectorLayer* newlayer = new QgsVectorLayer( filename, QFileInfo( filename ).completeBaseName(), QStringLiteral( "ogr" ) );
if ( selectedOnly )
{
QgsFeature feature;
// Get features to select (only selected features were written up to this point)
QgsFeatureIds selectedFeatures = newlayer->allFeatureIds();
// Write non-selected feature ids
QgsFeatureList features;
QgsFeatureIterator it = layer->getFeatures();
while ( it.nextFeature( feature ) )
{
if ( !layer->selectedFeaturesIds().contains( feature.id() ) )
{
features.append( feature );
}
}
newlayer->dataProvider()->addFeatures( features );
// Set selected features
newlayer->selectByIds( selectedFeatures );
}
layer = newlayer;
}