QgsGeometry* QgsMapToolOffsetCurve::createOriginGeometry( QgsVectorLayer* vl, const QgsPointLocator::Match& match, QgsFeature& snappedFeature ) { if ( !vl ) { return 0; } mMultiPartGeometry = false; //assign feature part by vertex number (snap to vertex) or by before vertex number (snap to segment) int partVertexNr = match.vertexIndex(); if ( vl == currentVectorLayer() && !mForceCopy ) { //don't consider selected geometries, only the snap result return convertToSingleLine( snappedFeature.geometryAndOwnership(), partVertexNr, mMultiPartGeometry ); } else //snapped to a background layer { //if source layer is polygon / multipolygon, create a linestring from the snapped ring if ( vl->geometryType() == QGis::Polygon ) { //make linestring from polygon ring and return this geometry return linestringFromPolygon( snappedFeature.geometry(), partVertexNr ); } //for background layers, try to merge selected entries together if snapped feature is contained in selection const QgsFeatureIds& selection = vl->selectedFeaturesIds(); if ( selection.size() < 1 || !selection.contains( match.featureId() ) ) { return convertToSingleLine( snappedFeature.geometryAndOwnership(), partVertexNr, mMultiPartGeometry ); } else { //merge together if several features QgsFeatureList selectedFeatures = vl->selectedFeatures(); QgsFeatureList::iterator selIt = selectedFeatures.begin(); QgsGeometry* geom = selIt->geometryAndOwnership(); ++selIt; for ( ; selIt != selectedFeatures.end(); ++selIt ) { QgsGeometry* combined = geom->combine( selIt->geometry() ); delete geom; geom = combined; } //if multitype, return only the snapped to geometry if ( geom->isMultipart() ) { delete geom; return convertToSingleLine( snappedFeature.geometryAndOwnership(), match.vertexIndex(), mMultiPartGeometry ); } return geom; } } }
bool QgsVectorLayerExporter::addFeatures( QgsFeatureList &features, Flags flags ) { QgsFeatureList::iterator fIt = features.begin(); bool result = true; for ( ; fIt != features.end(); ++fIt ) { result = result && addFeature( *fIt, flags ); } return result; }
bool QgsSpatialIndex::addFeatures( QgsFeatureList &features, QgsFeatureSink::Flags flags ) { QgsFeatureList::iterator fIt = features.begin(); bool result = true; for ( ; fIt != features.end(); ++fIt ) { result = result && addFeature( *fIt, flags ); } return result; }
QgsFeatureList QgsClipboard::transformedCopyOf( QgsCoordinateReferenceSystem destCRS ) { QgsFeatureList featureList = copyOf(); QgsCoordinateTransform ct( crs(), destCRS ); QgsDebugMsg( "transforming clipboard." ); for ( QgsFeatureList::iterator iter = featureList.begin(); iter != featureList.end(); ++iter ) { iter->geometry()->transform( ct ); } return featureList; }
bool QgsVectorLayerEditBuffer::addFeatures( QgsFeatureList& features ) { if ( !( L->dataProvider()->capabilities() & QgsVectorDataProvider::AddFeatures ) ) return false; for ( QgsFeatureList::iterator iter = features.begin(); iter != features.end(); ++iter ) { addFeature( *iter ); } L->updateExtents(); return true; }
bool QgsGPXProvider::addFeatures( QgsFeatureList & flist ) { // add all the features for ( QgsFeatureList::iterator iter = flist.begin(); iter != flist.end(); ++iter ) { if ( !addFeature( *iter ) ) return false; } // write back to file QFile file( mFileName ); if ( !file.open( QIODevice::WriteOnly ) ) return false; QTextStream ostr( &file ); data->writeXML( ostr ); return true; }
void QgsOfflineEditing::applyFeaturesAdded( QgsVectorLayer* offlineLayer, QgsVectorLayer* remoteLayer, sqlite3* db, int layerId ) { QString sql = QString( "SELECT \"fid\" FROM 'log_added_features' WHERE \"layer_id\" = %1" ).arg( layerId ); QList<int> newFeatureIds = sqlQueryInts( db, sql ); // get new features from offline layer QgsFeatureList features; for ( int i = 0; i < newFeatureIds.size(); i++ ) { QgsFeature feature; if ( offlineLayer->getFeatures( QgsFeatureRequest().setFilterFid( newFeatureIds.at( i ) ) ).nextFeature( feature ) ) { features << feature; } } // copy features to remote layer emit progressModeSet( QgsOfflineEditing::AddFeatures, features.size() ); int i = 1; int newAttrsCount = remoteLayer->pendingFields().count(); for ( QgsFeatureList::iterator it = features.begin(); it != features.end(); ++it ) { QgsFeature f = *it; // NOTE: Spatialite provider ignores position of geometry column // restore gap in QgsAttributeMap if geometry column is not last (WORKAROUND) QMap<int, int> attrLookup = attributeLookup( offlineLayer, remoteLayer ); QgsAttributes newAttrs( newAttrsCount ); QgsAttributes attrs = f.attributes(); for ( int it = 0; it < attrs.count(); ++it ) { newAttrs[ attrLookup[ it ] ] = attrs[ it ]; } f.setAttributes( newAttrs ); remoteLayer->addFeature( f, false ); emit progressUpdated( i++ ); } }
bool QgsMemoryProvider::addFeatures( QgsFeatureList & flist ) { // TODO: sanity checks of fields and geometries for ( QgsFeatureList::iterator it = flist.begin(); it != flist.end(); ++it ) { mFeatures[mNextFeatureId] = *it; QgsFeature& newfeat = mFeatures[mNextFeatureId]; newfeat.setFeatureId( mNextFeatureId ); // update spatial index if ( mSpatialIndex ) mSpatialIndex->insertFeature( newfeat ); mNextFeatureId++; } updateExtent(); return TRUE; }
void QgsOfflineEditing::applyFeaturesAdded( QgsVectorLayer* offlineLayer, QgsVectorLayer* remoteLayer, sqlite3* db, int layerId ) { QString sql = QString( "SELECT \"fid\" FROM 'log_added_features' WHERE \"layer_id\" = %1" ).arg( layerId ); QList<int> newFeatureIds = sqlQueryInts( db, sql ); // get new features from offline layer QgsFeatureList features; for ( int i = 0; i < newFeatureIds.size(); i++ ) { QgsFeature feature; if ( offlineLayer->featureAtId( newFeatureIds.at( i ), feature, true, true ) ) { features << feature; } } // copy features to remote layer mProgressDialog->setupProgressBar( tr( "%v / %m features added" ), features.size() ); int i = 1; for ( QgsFeatureList::iterator it = features.begin(); it != features.end(); ++it ) { QgsFeature f = *it; // NOTE: Spatialite provider ignores position of geometry column // restore gap in QgsAttributeMap if geometry column is not last (WORKAROUND) QMap<int, int> attrLookup = attributeLookup( offlineLayer, remoteLayer ); QgsAttributeMap newAttrMap; QgsAttributeMap attrMap = f.attributeMap(); for ( QgsAttributeMap::const_iterator it = attrMap.begin(); it != attrMap.end(); ++it ) { newAttrMap.insert( attrLookup[ it.key()], it.value() ); } f.setAttributeMap( newAttrMap ); remoteLayer->addFeature( f, false ); mProgressDialog->setProgressValue( i++ ); } }
bool QgsMapToolIdentify::identifyVectorLayer( QList<IdentifyResult> *results, QgsVectorLayer *layer, const QgsPoint& point ) { if ( !layer || !layer->hasGeometryType() ) return false; if ( layer->hasScaleBasedVisibility() && ( layer->minimumScale() > mCanvas->mapSettings().scale() || layer->maximumScale() <= mCanvas->mapSettings().scale() ) ) { QgsDebugMsg( "Out of scale limits" ); return false; } QApplication::setOverrideCursor( Qt::WaitCursor ); QMap< QString, QString > commonDerivedAttributes; commonDerivedAttributes.insert( tr( "(clicked coordinate)" ), point.toString() ); int featureCount = 0; QgsFeatureList featureList; // toLayerCoordinates will throw an exception for an 'invalid' point. // For example, if you project a world map onto a globe using EPSG 2163 // and then click somewhere off the globe, an exception will be thrown. try { // create the search rectangle double searchRadius = searchRadiusMU( mCanvas ); QgsRectangle r; r.setXMinimum( point.x() - searchRadius ); r.setXMaximum( point.x() + searchRadius ); r.setYMinimum( point.y() - searchRadius ); r.setYMaximum( point.y() + searchRadius ); r = toLayerCoordinates( layer, r ); QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest().setFilterRect( r ).setFlags( QgsFeatureRequest::ExactIntersect ) ); QgsFeature f; while ( fit.nextFeature( f ) ) featureList << QgsFeature( f ); } catch ( QgsCsException & cse ) { Q_UNUSED( cse ); // catch exception for 'invalid' point and proceed with no features found QgsDebugMsg( QString( "Caught CRS exception %1" ).arg( cse.what() ) ); } QgsFeatureList::iterator f_it = featureList.begin(); bool filter = false; QgsRenderContext context( QgsRenderContext::fromMapSettings( mCanvas->mapSettings() ) ); context.expressionContext() << QgsExpressionContextUtils::layerScope( layer ); QgsFeatureRendererV2* renderer = layer->rendererV2(); if ( renderer && renderer->capabilities() & QgsFeatureRendererV2::ScaleDependent ) { // setup scale for scale dependent visibility (rule based) renderer->startRender( context, layer->fields() ); filter = renderer->capabilities() & QgsFeatureRendererV2::Filter; } for ( ; f_it != featureList.end(); ++f_it ) { QMap< QString, QString > derivedAttributes = commonDerivedAttributes; QgsFeatureId fid = f_it->id(); context.expressionContext().setFeature( *f_it ); if ( filter && !renderer->willRenderFeature( *f_it, context ) ) continue; featureCount++; derivedAttributes.unite( featureDerivedAttributes( &( *f_it ), layer, toLayerCoordinates( layer, point ) ) ); derivedAttributes.insert( tr( "feature id" ), fid < 0 ? tr( "new feature" ) : FID_TO_STRING( fid ) ); results->append( IdentifyResult( qobject_cast<QgsMapLayer *>( layer ), *f_it, derivedAttributes ) ); } if ( renderer && renderer->capabilities() & QgsFeatureRendererV2::ScaleDependent ) { renderer->stopRender( context ); } QgsDebugMsg( "Feature count on identify: " + QString::number( featureCount ) ); QApplication::restoreOverrideCursor(); return featureCount > 0; }
void QgsAttributeTableDialog::doSearch( QString searchString ) { // parse search string and build parsed tree QgsSearchString search; if ( !search.setString( searchString ) ) { QMessageBox::critical( this, tr( "Search string parsing error" ), search.parserErrorMsg() ); return; } QgsSearchTreeNode* searchTree = search.tree(); if ( searchTree == NULL ) { QMessageBox::information( this, tr( "Search results" ), tr( "You've supplied an empty search string." ) ); return; } // TODO: fetch only necessary columns // QStringList columns = searchTree->referencedColumns(); bool fetchGeom = searchTree->needsGeometry(); QApplication::setOverrideCursor( Qt::WaitCursor ); mSelectedFeatures.clear(); if ( cbxSearchSelectedOnly->isChecked() ) { QgsFeatureList selectedFeatures = mLayer->selectedFeatures(); for ( QgsFeatureList::Iterator it = selectedFeatures.begin(); it != selectedFeatures.end(); ++it ) { if ( searchTree->checkAgainst( mLayer->pendingFields(), *it ) ) mSelectedFeatures << it->id(); // check if there were errors during evaluating if ( searchTree->hasError() ) break; } } else { mLayer->select( mLayer->pendingAllAttributesList(), QgsRectangle(), fetchGeom ); QgsFeature f; while ( mLayer->nextFeature( f ) ) { if ( searchTree->checkAgainst( mLayer->pendingFields(), f ) ) mSelectedFeatures << f.id(); // check if there were errors during evaluating if ( searchTree->hasError() ) break; } } QApplication::restoreOverrideCursor(); if ( searchTree->hasError() ) { QMessageBox::critical( this, tr( "Error during search" ), searchTree->errorMsg() ); return; } mLayer->setSelectedFeatures( mSelectedFeatures ); QString str; QWidget *w = mDock ? qobject_cast<QWidget*>( mDock ) : qobject_cast<QWidget*>( this ); if ( mSelectedFeatures.size() ) { w->setWindowTitle( tr( "Attribute table - %1 (%n matching features)", "matching features", mSelectedFeatures.size() ).arg( mLayer->name() ) ); } else { w->setWindowTitle( tr( "Attribute table - %1 (No matching features)" ).arg( mLayer->name() ) ); } }
bool QgsWFSProvider::addFeatures( QgsFeatureList &flist ) { //create <Transaction> xml QDomDocument transactionDoc; QDomElement transactionElem = createTransactionElement( transactionDoc ); transactionDoc.appendChild( transactionElem ); //find out typename from uri and strip namespace prefix QString tname = mShared->mURI.typeName(); if ( tname.isNull() ) { return false; } removeNamespacePrefix( tname ); //Add the features QgsFeatureList::iterator featureIt = flist.begin(); for ( ; featureIt != flist.end(); ++featureIt ) { //Insert element QDomElement insertElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Insert" ); transactionElem.appendChild( insertElem ); QDomElement featureElem = transactionDoc.createElementNS( mApplicationNamespace, tname ); QgsAttributes featureAttributes = featureIt->attributes(); int nAttrs = featureAttributes.size(); for ( int i = 0; i < nAttrs; ++i ) { const QVariant& value = featureAttributes.at( i ); if ( value.isValid() && !value.isNull() ) { QDomElement fieldElem = transactionDoc.createElementNS( mApplicationNamespace, mShared->mFields.at( i ).name() ); QDomText fieldText = transactionDoc.createTextNode( value.toString() ); fieldElem.appendChild( fieldText ); featureElem.appendChild( fieldElem ); } } //add geometry column (as gml) const QgsGeometry* geometry = featureIt->constGeometry(); if ( geometry != nullptr ) { QDomElement geomElem = transactionDoc.createElementNS( mApplicationNamespace, mShared->mGeometryAttribute ); QgsGeometry the_geom( *geometry ); // convert to multi if the layer geom type is multi and the geom is not if ( QGis::isMultiType( this->geometryType( ) ) && ! the_geom.isMultipart( ) ) { the_geom.convertToMultiType(); } QDomElement gmlElem = QgsOgcUtils::geometryToGML( &the_geom, transactionDoc ); if ( !gmlElem.isNull() ) { gmlElem.setAttribute( "srsName", crs().authid() ); geomElem.appendChild( gmlElem ); featureElem.appendChild( geomElem ); } } insertElem.appendChild( featureElem ); } QDomDocument serverResponse; bool success = sendTransactionDocument( transactionDoc, serverResponse ); if ( !success ) { return false; } if ( transactionSuccess( serverResponse ) ) { //transaction successful. Add the features to the cache QStringList idList = insertedFeatureIds( serverResponse ); QStringList::const_iterator idIt = idList.constBegin(); featureIt = flist.begin(); QVector<QgsWFSFeatureGmlIdPair> serializedFeatureList; for ( ; idIt != idList.constEnd() && featureIt != flist.end(); ++idIt, ++featureIt ) { serializedFeatureList.push_back( QgsWFSFeatureGmlIdPair( *featureIt, *idIt ) ); } mShared->serializeFeatures( serializedFeatureList ); // And now set the feature id from the one got from the database QMap< QString, QgsFeatureId > map; for ( int idx = 0; idx < serializedFeatureList.size(); idx++ ) map[ serializedFeatureList[idx].second ] = serializedFeatureList[idx].first.id(); idIt = idList.constBegin(); featureIt = flist.begin(); for ( ; idIt != idList.constEnd() && featureIt != flist.end(); ++idIt, ++featureIt ) { if ( map.find( *idIt ) != map.end() ) featureIt->setFeatureId( map[*idIt] ); } return true; } else { handleException( serverResponse ); return false; } }
void QgsAttributeTableDialog::doSearch( QString searchString ) { // parse search string and build parsed tree QgsExpression search( searchString ); if ( search.hasParserError() ) { QMessageBox::critical( this, tr( "Parsing error" ), search.parserErrorString() ); return; } if ( ! search.prepare( mLayer->pendingFields() ) ) { QMessageBox::critical( this, tr( "Evaluation error" ), search.evalErrorString() ); } // TODO: fetch only necessary columns //QStringList columns = search.referencedColumns(); bool fetchGeom = search.needsGeometry(); QApplication::setOverrideCursor( Qt::WaitCursor ); mSelectedFeatures.clear(); if ( cbxSearchSelectedOnly->isChecked() ) { QgsFeatureList selectedFeatures = mLayer->selectedFeatures(); for ( QgsFeatureList::Iterator it = selectedFeatures.begin(); it != selectedFeatures.end(); ++it ) { QgsFeature& feat = *it; if ( search.evaluate( &feat ).toInt() != 0 ) mSelectedFeatures << feat.id(); // check if there were errors during evaluating if ( search.hasEvalError() ) break; } } else { mLayer->select( mLayer->pendingAllAttributesList(), QgsRectangle(), fetchGeom ); QgsFeature f; while ( mLayer->nextFeature( f ) ) { if ( search.evaluate( &f ).toInt() != 0 ) mSelectedFeatures << f.id(); // check if there were errors during evaluating if ( search.hasEvalError() ) break; } } QApplication::restoreOverrideCursor(); if ( search.hasEvalError() ) { QMessageBox::critical( this, tr( "Error during search" ), search.evalErrorString() ); return; } mLayer->setSelectedFeatures( mSelectedFeatures ); QString str; QWidget *w = mDock ? qobject_cast<QWidget*>( mDock ) : qobject_cast<QWidget*>( this ); if ( mSelectedFeatures.size() ) { w->setWindowTitle( tr( "Attribute table - %1 (%n matching features)", "matching features", mSelectedFeatures.size() ).arg( mLayer->name() ) ); } else { w->setWindowTitle( tr( "Attribute table - %1 (No matching features)" ).arg( mLayer->name() ) ); } mView->setFocus(); }
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 ); }
bool QgsMapToolIdentify::identifyVectorLayer( QList<IdentifyResult> *results, QgsVectorLayer *layer, QgsPoint point ) { if ( !layer ) return false; if ( layer->hasScaleBasedVisibility() && ( layer->minimumScale() > mCanvas->mapRenderer()->scale() || layer->maximumScale() <= mCanvas->mapRenderer()->scale() ) ) { QgsDebugMsg( "Out of scale limits" ); return false; } QMap< QString, QString > derivedAttributes; derivedAttributes.insert( tr( "(clicked coordinate)" ), point.toString() ); // load identify radius from settings QSettings settings; double identifyValue = settings.value( "/Map/identifyRadius", QGis::DEFAULT_IDENTIFY_RADIUS ).toDouble(); if ( identifyValue <= 0.0 ) identifyValue = QGis::DEFAULT_IDENTIFY_RADIUS; int featureCount = 0; QgsFeatureList featureList; // toLayerCoordinates will throw an exception for an 'invalid' point. // For example, if you project a world map onto a globe using EPSG 2163 // and then click somewhere off the globe, an exception will be thrown. try { // create the search rectangle double searchRadius = mCanvas->extent().width() * ( identifyValue / 100.0 ); QgsRectangle r; r.setXMinimum( point.x() - searchRadius ); r.setXMaximum( point.x() + searchRadius ); r.setYMinimum( point.y() - searchRadius ); r.setYMaximum( point.y() + searchRadius ); r = toLayerCoordinates( layer, r ); QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest().setFilterRect( r ).setFlags( QgsFeatureRequest::ExactIntersect ) ); QgsFeature f; while ( fit.nextFeature( f ) ) featureList << QgsFeature( f ); } catch ( QgsCsException & cse ) { Q_UNUSED( cse ); // catch exception for 'invalid' point and proceed with no features found QgsDebugMsg( QString( "Caught CRS exception %1" ).arg( cse.what() ) ); } QgsFeatureList::iterator f_it = featureList.begin(); bool filter = false; QgsFeatureRendererV2* renderer = layer->rendererV2(); if ( renderer && renderer->capabilities() & QgsFeatureRendererV2::ScaleDependent ) { // setup scale for scale dependent visibility (rule based) renderer->startRender( *( mCanvas->mapRenderer()->rendererContext() ), layer ); filter = renderer->capabilities() & QgsFeatureRendererV2::Filter; } for ( ; f_it != featureList.end(); ++f_it ) { QgsFeatureId fid = f_it->id(); if ( filter && !renderer->willRenderFeature( *f_it ) ) continue; featureCount++; derivedAttributes.unite( featureDerivedAttributes( &( *f_it ), layer ) ); derivedAttributes.insert( tr( "feature id" ), fid < 0 ? tr( "new feature" ) : FID_TO_STRING( fid ) ); results->append( IdentifyResult( qobject_cast<QgsMapLayer *>( layer ), *f_it, derivedAttributes ) ); } if ( renderer && renderer->capabilities() & QgsFeatureRendererV2::ScaleDependent ) { renderer->stopRender( *( mCanvas->mapRenderer()->rendererContext() ) ); } QgsDebugMsg( "Feature count on identify: " + QString::number( featureCount ) ); return featureCount > 0; }
bool QgsMapToolIdentify::identifyVectorLayer( QgsVectorLayer *layer, int x, int y ) { if ( !layer ) return false; QMap< QString, QString > attributes, derivedAttributes; QgsPoint point = mCanvas->getCoordinateTransform()->toMapCoordinates( x, y ); derivedAttributes.insert( tr( "(clicked coordinate)" ), point.toString() ); // load identify radius from settings QSettings settings; double identifyValue = settings.value( "/Map/identifyRadius", QGis::DEFAULT_IDENTIFY_RADIUS ).toDouble(); QString ellipsoid = settings.value( "/qgis/measure/ellipsoid", "WGS84" ).toString(); if ( identifyValue <= 0.0 ) identifyValue = QGis::DEFAULT_IDENTIFY_RADIUS; int featureCount = 0; QgsFeatureList featureList; // toLayerCoordinates will throw an exception for an 'invalid' point. // For example, if you project a world map onto a globe using EPSG 2163 // and then click somewhere off the globe, an exception will be thrown. try { // create the search rectangle double searchRadius = mCanvas->extent().width() * ( identifyValue / 100.0 ); QgsRectangle r; r.setXMinimum( point.x() - searchRadius ); r.setXMaximum( point.x() + searchRadius ); r.setYMinimum( point.y() - searchRadius ); r.setYMaximum( point.y() + searchRadius ); r = toLayerCoordinates( layer, r ); layer->select( layer->pendingAllAttributesList(), r, true, true ); QgsFeature f; while ( layer->nextFeature( f ) ) featureList << QgsFeature( f ); } catch ( QgsCsException & cse ) { Q_UNUSED( cse ); // catch exception for 'invalid' point and proceed with no features found QgsDebugMsg( QString( "Caught CRS exception %1" ).arg( cse.what() ) ); } // init distance/area calculator QgsDistanceArea calc; if ( !featureList.count() == 0 ) { calc.setProjectionsEnabled( mCanvas->hasCrsTransformEnabled() ); // project? calc.setEllipsoid( ellipsoid ); calc.setSourceCrs( layer->crs().srsid() ); } QgsFeatureList::iterator f_it = featureList.begin(); for ( ; f_it != featureList.end(); ++f_it ) { featureCount++; QgsFeatureId fid = f_it->id(); QMap<QString, QString> derivedAttributes; // Calculate derived attributes and insert: // measure distance or area depending on geometry type if ( layer->geometryType() == QGis::Line ) { double dist = calc.measure( f_it->geometry() ); QGis::UnitType myDisplayUnits; convertMeasurement( calc, dist, myDisplayUnits, false ); QString str = calc.textUnit( dist, 3, myDisplayUnits, false ); // dist and myDisplayUnits are out params derivedAttributes.insert( tr( "Length" ), str ); if ( f_it->geometry()->wkbType() == QGis::WKBLineString || f_it->geometry()->wkbType() == QGis::WKBLineString25D ) { // Add the start and end points in as derived attributes str = QLocale::system().toString( f_it->geometry()->asPolyline().first().x(), 'g', 10 ); derivedAttributes.insert( tr( "firstX", "attributes get sorted; translation for lastX should be lexically larger than this one" ), str ); str = QLocale::system().toString( f_it->geometry()->asPolyline().first().y(), 'g', 10 ); derivedAttributes.insert( tr( "firstY" ), str ); str = QLocale::system().toString( f_it->geometry()->asPolyline().last().x(), 'g', 10 ); derivedAttributes.insert( tr( "lastX", "attributes get sorted; translation for firstX should be lexically smaller than this one" ), str ); str = QLocale::system().toString( f_it->geometry()->asPolyline().last().y(), 'g', 10 ); derivedAttributes.insert( tr( "lastY" ), str ); } } else if ( layer->geometryType() == QGis::Polygon ) { double area = calc.measure( f_it->geometry() ); QGis::UnitType myDisplayUnits; convertMeasurement( calc, area, myDisplayUnits, true ); // area and myDisplayUnits are out params QString str = calc.textUnit( area, 3, myDisplayUnits, true ); derivedAttributes.insert( tr( "Area" ), str ); } else if ( layer->geometryType() == QGis::Point && ( f_it->geometry()->wkbType() == QGis::WKBPoint || f_it->geometry()->wkbType() == QGis::WKBPoint25D ) ) { // Include the x and y coordinates of the point as a derived attribute QString str; str = QLocale::system().toString( f_it->geometry()->asPoint().x(), 'g', 10 ); derivedAttributes.insert( "X", str ); str = QLocale::system().toString( f_it->geometry()->asPoint().y(), 'g', 10 ); derivedAttributes.insert( "Y", str ); } derivedAttributes.insert( tr( "feature id" ), fid < 0 ? tr( "new feature" ) : FID_TO_STRING( fid ) ); results()->addFeature( layer, *f_it, derivedAttributes ); } QgsDebugMsg( "Feature count on identify: " + QString::number( featureCount ) ); return featureCount > 0; }
int QgsVectorLayerEditUtils::splitFeatures( const QList<QgsPoint>& splitLine, bool topologicalEditing ) { if ( !L->hasGeometryType() ) return 4; QgsFeatureList newFeatures; //store all the newly created features double xMin, yMin, xMax, yMax; QgsRectangle bBox; //bounding box of the split line int returnCode = 0; int splitFunctionReturn; //return code of QgsGeometry::splitGeometry int numberOfSplittedFeatures = 0; QgsFeatureList featureList; const QgsFeatureIds selectedIds = L->selectedFeaturesIds(); if ( selectedIds.size() > 0 ) //consider only the selected features if there is a selection { featureList = L->selectedFeatures(); } else //else consider all the feature that intersect the bounding box of the split line { if ( boundingBoxFromPointList( splitLine, xMin, yMin, xMax, yMax ) == 0 ) { bBox.setXMinimum( xMin ); bBox.setYMinimum( yMin ); bBox.setXMaximum( xMax ); bBox.setYMaximum( yMax ); } else { return 1; } if ( bBox.isEmpty() ) { //if the bbox is a line, try to make a square out of it if ( bBox.width() == 0.0 && bBox.height() > 0 ) { bBox.setXMinimum( bBox.xMinimum() - bBox.height() / 2 ); bBox.setXMaximum( bBox.xMaximum() + bBox.height() / 2 ); } else if ( bBox.height() == 0.0 && bBox.width() > 0 ) { bBox.setYMinimum( bBox.yMinimum() - bBox.width() / 2 ); bBox.setYMaximum( bBox.yMaximum() + bBox.width() / 2 ); } else { //If we have a single point, we still create a non-null box double bufferDistance = 0.000001; if ( L->crs().geographicFlag() ) bufferDistance = 0.00000001; bBox.setXMinimum( bBox.xMinimum() - bufferDistance ); bBox.setXMaximum( bBox.xMaximum() + bufferDistance ); bBox.setYMinimum( bBox.yMinimum() - bufferDistance ); bBox.setYMaximum( bBox.yMaximum() + bufferDistance ); } } QgsFeatureIterator fit = L->getFeatures( QgsFeatureRequest().setFilterRect( bBox ).setFlags( QgsFeatureRequest::ExactIntersect ) ); QgsFeature f; while ( fit.nextFeature( f ) ) featureList << QgsFeature( f ); } QgsFeatureList::iterator select_it = featureList.begin(); for ( ; select_it != featureList.end(); ++select_it ) { if ( !select_it->geometry() ) { continue; } QList<QgsGeometry*> newGeometries; QList<QgsPoint> topologyTestPoints; QgsGeometry* newGeometry = 0; splitFunctionReturn = select_it->geometry()->splitGeometry( splitLine, newGeometries, topologicalEditing, topologyTestPoints ); if ( splitFunctionReturn == 0 ) { //change this geometry L->editBuffer()->changeGeometry( select_it->id(), select_it->geometry() ); //insert new features for ( int i = 0; i < newGeometries.size(); ++i ) { newGeometry = newGeometries.at( i ); QgsFeature newFeature; newFeature.setGeometry( newGeometry ); //use default value where possible for primary key (e.g. autoincrement), //and use the value from the original (split) feature if not primary key QgsAttributes newAttributes = select_it->attributes(); foreach ( int pkIdx, L->dataProvider()->pkAttributeIndexes() ) { const QVariant defaultValue = L->dataProvider()->defaultValue( pkIdx ); if ( !defaultValue.isNull() ) { newAttributes[ pkIdx ] = defaultValue; } else //try with NULL { newAttributes[ pkIdx ] = QVariant(); } } newFeature.setAttributes( newAttributes ); newFeatures.append( newFeature ); } if ( topologicalEditing ) { QList<QgsPoint>::const_iterator topol_it = topologyTestPoints.constBegin(); for ( ; topol_it != topologyTestPoints.constEnd(); ++topol_it ) { addTopologicalPoints( *topol_it ); } } ++numberOfSplittedFeatures; } else if ( splitFunctionReturn > 1 ) //1 means no split but also no error
int QgsVectorLayerEditUtils::splitFeatures( const QList<QgsPoint>& splitLine, bool topologicalEditing ) { if ( !L->hasGeometryType() ) return 4; QgsFeatureList newFeatures; //store all the newly created features double xMin, yMin, xMax, yMax; QgsRectangle bBox; //bounding box of the split line int returnCode = 0; int splitFunctionReturn; //return code of QgsGeometry::splitGeometry int numberOfSplittedFeatures = 0; QgsFeatureList featureList; const QgsFeatureIds selectedIds = L->selectedFeaturesIds(); if ( selectedIds.size() > 0 ) //consider only the selected features if there is a selection { featureList = L->selectedFeatures(); } else //else consider all the feature that intersect the bounding box of the split line { if ( boundingBoxFromPointList( splitLine, xMin, yMin, xMax, yMax ) == 0 ) { bBox.setXMinimum( xMin ); bBox.setYMinimum( yMin ); bBox.setXMaximum( xMax ); bBox.setYMaximum( yMax ); } else { return 1; } if ( bBox.isEmpty() ) { //if the bbox is a line, try to make a square out of it if ( bBox.width() == 0.0 && bBox.height() > 0 ) { bBox.setXMinimum( bBox.xMinimum() - bBox.height() / 2 ); bBox.setXMaximum( bBox.xMaximum() + bBox.height() / 2 ); } else if ( bBox.height() == 0.0 && bBox.width() > 0 ) { bBox.setYMinimum( bBox.yMinimum() - bBox.width() / 2 ); bBox.setYMaximum( bBox.yMaximum() + bBox.width() / 2 ); } else { return 2; } } QgsFeatureIterator fit = L->getFeatures( QgsFeatureRequest().setFilterRect( bBox ).setFlags( QgsFeatureRequest::ExactIntersect ) ); QgsFeature f; while ( fit.nextFeature( f ) ) featureList << QgsFeature( f ); } QgsFeatureList::iterator select_it = featureList.begin(); for ( ; select_it != featureList.end(); ++select_it ) { if ( !select_it->geometry() ) { continue; } QList<QgsGeometry*> newGeometries; QList<QgsPoint> topologyTestPoints; QgsGeometry* newGeometry = 0; splitFunctionReturn = select_it->geometry()->splitGeometry( splitLine, newGeometries, topologicalEditing, topologyTestPoints ); if ( splitFunctionReturn == 0 ) { //change this geometry L->editBuffer()->changeGeometry( select_it->id(), select_it->geometry() ); //insert new features for ( int i = 0; i < newGeometries.size(); ++i ) { newGeometry = newGeometries.at( i ); QgsFeature newFeature; newFeature.setGeometry( newGeometry ); //use default value where possible (primary key issue), otherwise the value from the original (split) feature QgsAttributes newAttributes = select_it->attributes(); QVariant defaultValue; for ( int j = 0; j < newAttributes.count(); ++j ) { defaultValue = L->dataProvider()->defaultValue( j ); if ( !defaultValue.isNull() ) { newAttributes[ j ] = defaultValue; } } newFeature.setAttributes( newAttributes ); newFeatures.append( newFeature ); } if ( topologicalEditing ) { QList<QgsPoint>::const_iterator topol_it = topologyTestPoints.constBegin(); for ( ; topol_it != topologyTestPoints.constEnd(); ++topol_it ) { addTopologicalPoints( *topol_it ); } } ++numberOfSplittedFeatures; } else if ( splitFunctionReturn > 1 ) //1 means no split but also no error { returnCode = splitFunctionReturn; } } if ( numberOfSplittedFeatures == 0 && selectedIds.size() > 0 ) { //There is a selection but no feature has been split. //Maybe user forgot that only the selected features are split returnCode = 4; } //now add the new features to this vectorlayer L->editBuffer()->addFeatures( newFeatures ); return returnCode; }
void QgsClipboard::replaceWithCopyOf( const QgsFieldMap& fields, QgsFeatureList& features ) { // Replace the QGis clipboard. mFeatureClipboard = features; QgsDebugMsg( "replaced QGis clipboard." ); // Replace the system clipboard. QStringList textLines; QStringList textFields; // first do the field names textFields += "wkt_geom"; for ( QgsFieldMap::const_iterator fit = fields.begin(); fit != fields.end(); ++fit ) { textFields += fit->name(); } textLines += textFields.join( "\t" ); textFields.clear(); // then the field contents for ( QgsFeatureList::iterator it = features.begin(); it != features.end(); ++it ) { QgsAttributeMap attributes = it->attributeMap(); // TODO: Set up Paste Transformations to specify the order in which fields are added. if ( it->geometry() ) textFields += it->geometry()->exportToWkt(); else { QSettings settings; textFields += settings.value( "qgis/nullValue", "NULL" ).toString(); } // QgsDebugMsg("about to traverse fields."); // for ( QgsAttributeMap::iterator it2 = attributes.begin(); it2 != attributes.end(); ++it2 ) { // QgsDebugMsg(QString("inspecting field '%1'.").arg(it2->toString())); textFields += it2->toString(); } textLines += textFields.join( "\t" ); textFields.clear(); } QString textCopy = textLines.join( "\n" ); QClipboard *cb = QApplication::clipboard(); // Copy text into the clipboard // With qgis running under Linux, but with a Windows based X // server (Xwin32), ::Selection was necessary to get the data into // the Windows clipboard (which seems contrary to the Qt // docs). With a Linux X server, ::Clipboard was required. // The simple solution was to put the text into both clipboards. // The ::Selection setText() below one may need placing inside so // #ifdef so that it doesn't get compiled under Windows. cb->setText( textCopy, QClipboard::Selection ); cb->setText( textCopy, QClipboard::Clipboard ); QgsDebugMsg( QString( "replaced system clipboard with: %1." ).arg( textCopy ) ); }
bool QgsDb2Provider::addFeatures( QgsFeatureList & flist ) { QgsDebugMsg( "mGeometryColType: " + mGeometryColType ); int writeCount = 0; bool copyOperation = false; if ( !mDatabase.isOpen() ) { QString errMsg; mDatabase = getDatabase( mConnInfo, errMsg ); if ( !errMsg.isEmpty() ) { QgsDebugMsg( "getDatabase failed: " + errMsg ); return false; } } if ( !mDatabase.transaction() ) { QgsDebugMsg( "transaction failed" ); return false; } QSqlQuery query = QSqlQuery( mDatabase ); query.setForwardOnly( true ); QSqlQuery queryFid = QSqlQuery( mDatabase ); queryFid.setForwardOnly( true ); QgsFeature it = flist.at( 0 ); QString statement; QString values; statement = QString( "INSERT INTO %1.%2 (" ).arg( mSchemaName, mTableName ); bool first = true; // Get the first geometry and its wkbType as when we are doing drag/drop, // the wkbType is not passed to the DB2 provider from QgsVectorLayerImport // Can't figure out how to resolved "unreferenced" wkbType compile message // Don't really do anything with it at this point #if 0 QgsGeometry *geom = it.geometry(); QgsWkbTypes::Type wkbType = geom->wkbType(); QgsDebugMsg( QString( "wkbType: %1" ).arg( wkbType ) ); QgsDebugMsg( QString( "mWkbType: %1" ).arg( mWkbType ) ); #endif QgsAttributes attrs = it.attributes(); QgsDebugMsg( QString( "attrs.count: %1" ).arg( attrs.count() ) ); QgsDebugMsg( QString( "fields.count: %1" ).arg( mAttributeFields.count() ) ); if ( mAttributeFields.count() == ( attrs.count() + 1 ) ) { copyOperation = true; // FID is first field but no attribute in attrs } else if ( mAttributeFields.count() != attrs.count() ) { QgsDebugMsg( "Count mismatch - failing" ); return false; } if ( attrs.count() != mAttributeFields.count() ) { QgsDebugMsg( "field counts don't match" ); // return false; } for ( int i = 0; i < mAttributeFields.count(); ++i ) { QgsField fld = mAttributeFields.at( i ); QgsDebugMsg( QString( "i: %1; got field: %2" ).arg( i ).arg( fld.name() ) ); if ( fld.name().isEmpty() ) continue; // invalid if ( mFidColName == fld.name() ) continue; // skip identity field // if ( mDefaultValues.contains( i ) && mDefaultValues[i] == attrs.at( i ) ) // continue; // skip fields having default values if ( !first ) { statement += ','; values += ','; } else first = false; statement += QString( "%1" ).arg( fld.name() ); values += QString( "?" ); } // append geometry column name if ( !mGeometryColName.isEmpty() ) { if ( !first ) { statement += ','; values += ','; } statement += QString( "%1" ).arg( mGeometryColName ); values += QString( "db2gse.%1(CAST (%2 AS BLOB(2M)),%3)" ) .arg( mGeometryColType, QString( "?" ), QString::number( mSRId ) ); } QgsDebugMsg( statement ); QgsDebugMsg( values ); statement += ") VALUES (" + values + ')'; QgsDebugMsg( statement ); QgsDebugMsg( "Prepare statement" ); // use prepared statement to prevent from sql injection if ( !query.prepare( statement ) ) { QString msg = query.lastError().text(); QgsDebugMsg( msg ); pushError( msg ); return false; } for ( QgsFeatureList::iterator it = flist.begin(); it != flist.end(); ++it ) { attrs = it->attributes(); int fieldIdx = 0; if ( copyOperation ) { fieldIdx = 1; // skip first (FID) field if copying from shapefile } int bindIdx = 0; for ( int i = 0; i < attrs.count(); i++ ) { QgsField fld = mAttributeFields.at( fieldIdx++ ); if ( fld.name().isEmpty() ) continue; // invalid if ( mFidColName == fld.name() ) continue; // skip identity field // if ( mDefaultValues.contains( i ) && mDefaultValues[i] == attrs.at( i ) ) // continue; // skip fields having default values QVariant::Type type = fld.type(); if ( attrs.at( i ).isNull() || !attrs.at( i ).isValid() ) { // binding null values if ( type == QVariant::Date || type == QVariant::DateTime ) query.bindValue( bindIdx, QVariant( QVariant::String ) ); else query.bindValue( bindIdx, QVariant( type ) ); } else if ( type == QVariant::Int ) { // binding an INTEGER value query.bindValue( bindIdx, attrs.at( i ).toInt() ); } else if ( type == QVariant::Double ) { // binding a DOUBLE value query.bindValue( bindIdx, attrs.at( i ).toDouble() ); } else if ( type == QVariant::String ) { // binding a TEXT value query.bindValue( bindIdx, attrs.at( i ).toString() ); } else if ( type == QVariant::Time ) { // binding a TIME value query.bindValue( bindIdx, attrs.at( i ).toTime().toString( Qt::ISODate ) ); } else if ( type == QVariant::Date ) { // binding a DATE value query.bindValue( bindIdx, attrs.at( i ).toDate().toString( Qt::ISODate ) ); } else if ( type == QVariant::DateTime ) { // binding a DATETIME value query.bindValue( bindIdx, attrs.at( i ).toDateTime().toString( Qt::ISODate ) ); } else { query.bindValue( bindIdx, attrs.at( i ) ); } #if 0 QgsDebugMsg( QString( "bound i: %1; name: %2; value: %3; bindIdx: %4" ). arg( i ).arg( fld.name() ).arg( attrs.at( i ).toString() ).arg( bindIdx ) ); #endif bindIdx++; } if ( !mGeometryColName.isEmpty() ) { QgsGeometry geom = it->geometry(); QByteArray bytea = QByteArray(( char* )geom.asWkb(), ( int ) geom.wkbSize() ); query.bindValue( bindIdx, bytea, QSql::In | QSql::Binary ); } QList<QVariant> list = query.boundValues().values(); // Show bound values #if 0 for ( int i = 0; i < list.size(); ++i ) { QgsDebugMsg( QString( "i: %1; value: %2; type: %3" ) .arg( i ).arg( list.at( i ).toString().toLatin1().data() ).arg( list.at( i ).typeName() ) ); } #endif if ( !query.exec() ) { QString msg = query.lastError().text(); QgsDebugMsg( msg ); if ( !mSkipFailures ) { pushError( msg ); return false; } } statement = QString( "select IDENTITY_VAL_LOCAL() AS IDENTITY " "FROM SYSIBM.SYSDUMMY1" ); // QgsDebugMsg( statement ); if ( !queryFid.exec( statement ) ) { QString msg = query.lastError().text(); QgsDebugMsg( msg ); if ( !mSkipFailures ) { pushError( msg ); return false; } } if ( !queryFid.next() ) { QString msg = query.lastError().text(); QgsDebugMsg( msg ); if ( !mSkipFailures ) { pushError( msg ); return false; } } it->setFeatureId( queryFid.value( 0 ).toLongLong() ); writeCount++; // QgsDebugMsg( QString( "count: %1; featureId: %2" ).arg( writeCount ).arg( queryFid.value( 0 ).toLongLong() ) ); } bool commitStatus = mDatabase.commit(); QgsDebugMsg( QString( "commitStatus: %1; write count: %2; featureId: %3" ) .arg( commitStatus ).arg( writeCount ).arg( queryFid.value( 0 ).toLongLong() ) ); if ( !commitStatus ) { pushError( "Commit of new features failed" ); return false; } return true; }