void QgsMapToolChangeLabelProperties::canvasReleaseEvent( QMouseEvent *e ) { Q_UNUSED( e ); QgsVectorLayer* vlayer = currentLayer(); if ( mLabelRubberBand && mCanvas && vlayer ) { QString labeltext = QString(); // NULL QString signifies no expression bool settingsOk; QgsPalLayerSettings& labelSettings = currentLabelSettings( &settingsOk ); if ( settingsOk && labelSettings.isExpression ) { labeltext = mCurrentLabelPos.labelText; } QgsLabelPropertyDialog d( mCurrentLabelPos.layerID, mCurrentLabelPos.featureId, mCurrentLabelPos.labelFont, labeltext, 0 ); if ( d.exec() == QDialog::Accepted ) { const QgsAttributeMap& changes = d.changedProperties(); if ( changes.size() > 0 ) { vlayer->beginEditCommand( tr( "Changed properties for label" ) + QString( " '%1'" ).arg( currentLabelText( 24 ) ) ); QgsAttributeMap::const_iterator changeIt = changes.constBegin(); for ( ; changeIt != changes.constEnd(); ++changeIt ) { vlayer->changeAttributeValue( mCurrentLabelPos.featureId, changeIt.key(), changeIt.value() ); } vlayer->endEditCommand(); mCanvas->refresh(); } } deleteRubberBands(); } }
void QgsMapToolChangeLabelProperties::canvasReleaseEvent( QMouseEvent * e ) { QgsVectorLayer* vlayer = currentLayer(); if ( mLabelRubberBand && mCanvas && vlayer ) { QgsLabelPropertyDialog d( mCurrentLabelPos.layerID, mCurrentLabelPos.featureId, mCanvas->mapRenderer() ); if ( d.exec() == QDialog::Accepted ) { const QgsAttributeMap& changes = d.changedProperties(); if ( changes.size() > 0 ) { vlayer->beginEditCommand( tr( "Label properties changed" ) ); QgsAttributeMap::const_iterator changeIt = changes.constBegin(); for ( ; changeIt != changes.constEnd(); ++changeIt ) { vlayer->changeAttributeValue( mCurrentLabelPos.featureId, changeIt.key(), changeIt.value(), false ); } vlayer->endEditCommand(); mCanvas->refresh(); } } deleteRubberBands(); } }
QString QgsActionManager::expandAction( QString action, const QgsAttributeMap &attributes, uint clickedOnValue ) { // This function currently replaces all %% characters in the action // with the value from values[clickedOnValue].second, and then // searches for all strings that go %attribute_name, where // attribute_name is found in values[x].first, and replaces any that // it finds by values[s].second. // Additional substitutions could include symbols for $CWD, $HOME, // etc (and their OSX and Windows equivalents) // This function will potentially fall apart if any of the // substitutions produce text that could match another // substitution. May be better to adopt a two pass approach - identify // all matches and their substitutions and then do a second pass // for the actual substitutions. QString expanded_action; if ( attributes.contains( clickedOnValue ) ) expanded_action = action.replace( "%%", attributes[clickedOnValue].toString() ); else expanded_action = action; const QgsFields &fields = mLayer->fields(); for ( int i = 0; i < 4; i++ ) { for ( QgsAttributeMap::const_iterator it = attributes.begin(); it != attributes.end(); ++it ) { int attrIdx = it.key(); if ( attrIdx < 0 || attrIdx >= fields.count() ) continue; QString to_replace; switch ( i ) { case 0: to_replace = "[%" + fields[attrIdx].name() + ']'; break; case 1: to_replace = "[%" + mLayer->attributeDisplayName( attrIdx ) + ']'; break; case 2: to_replace = '%' + fields[attrIdx].name(); break; case 3: to_replace = '%' + mLayer->attributeDisplayName( attrIdx ); break; } expanded_action = expanded_action.replace( to_replace, it.value().toString() ); } } return expanded_action; }
QDomElement QgsWFSServer::createFeatureElem( QgsFeature* feat, QDomDocument& doc, QgsCoordinateReferenceSystem& crs, QMap< int, QgsField > fields, QSet<QString> hiddenAttributes ) /*const*/ { //gml:FeatureMember QDomElement featureElement = doc.createElement( "gml:featureMember"/*wfs:FeatureMember*/ ); //qgs:%TYPENAME% QDomElement typeNameElement = doc.createElement( "qgs:" + mTypeName.replace( QString( " " ), QString( "_" ) )/*qgs:%TYPENAME%*/ ); typeNameElement.setAttribute( "fid", QString::number( feat->id() ) ); featureElement.appendChild( typeNameElement ); if ( mWithGeom ) { //add geometry column (as gml) QgsGeometry* geom = feat->geometry(); QDomElement geomElem = doc.createElement( "qgs:geometry" ); QDomElement gmlElem = createGeometryElem( geom, doc ); if ( !gmlElem.isNull() ) { QgsRectangle box = geom->boundingBox(); QDomElement bbElem = doc.createElement( "gml:boundedBy" ); QDomElement boxElem = createBoxElem( &box, doc ); if ( crs.isValid() ) { boxElem.setAttribute( "srsName", crs.authid() ); gmlElem.setAttribute( "srsName", crs.authid() ); } bbElem.appendChild( boxElem ); typeNameElement.appendChild( bbElem ); geomElem.appendChild( gmlElem ); typeNameElement.appendChild( geomElem ); } } //read all attribute values from the feature QgsAttributeMap featureAttributes = feat->attributeMap(); for ( QgsAttributeMap::const_iterator it = featureAttributes.begin(); it != featureAttributes.end(); ++it ) { QString attributeName = fields[it.key()].name(); //skip attribute if it has edit type 'hidden' if ( hiddenAttributes.contains( attributeName ) ) { continue; } QDomElement fieldElem = doc.createElement( "qgs:" + attributeName.replace( QString( " " ), QString( "_" ) ) ); QDomText fieldText = doc.createTextNode( it->toString() ); fieldElem.appendChild( fieldText ); typeNameElement.appendChild( fieldElem ); } return featureElement; }
QgsSymbolV2* QgsCategorizedSymbolRendererV2::symbolForFeature( QgsFeature& feature ) { const QgsAttributeMap& attrMap = feature.attributeMap(); QgsAttributeMap::const_iterator ita = attrMap.find( mAttrNum ); if ( ita == attrMap.end() ) { QgsDebugMsg( "attribute '" + mAttrName + "' (index " + QString::number( mAttrNum ) + ") required by renderer not found" ); return NULL; } // find the right symbol for the category QgsSymbolV2* symbol = symbolForValue( *ita ); if ( symbol == NULL ) { // if no symbol found use default one //return symbolForValue( QVariant( "" ) ); // What is default? Empty string may be a legal value, and features not found // should not be rendered using empty string value category symbology. // We also need to get NULL in that case so that willRenderFeature() // may be used to count features. return 0; } if ( mRotationFieldIdx == -1 && mSizeScaleFieldIdx == -1 ) return symbol; // no data-defined rotation/scaling - just return the symbol // find out rotation, size scale double rotation = 0; double sizeScale = 1; if ( mRotationFieldIdx != -1 ) rotation = attrMap[mRotationFieldIdx].toDouble(); if ( mSizeScaleFieldIdx != -1 ) sizeScale = attrMap[mSizeScaleFieldIdx].toDouble(); // take a temporary symbol (or create it if doesn't exist) QgsSymbolV2* tempSymbol = mTempSymbols[ita->toString()]; // modify the temporary symbol and return it if ( tempSymbol->type() == QgsSymbolV2::Marker ) { QgsMarkerSymbolV2* markerSymbol = static_cast<QgsMarkerSymbolV2*>( tempSymbol ); if ( mRotationFieldIdx != -1 ) markerSymbol->setAngle( rotation ); if ( mSizeScaleFieldIdx != -1 ) markerSymbol->setSize( sizeScale * static_cast<QgsMarkerSymbolV2*>( symbol )->size() ); markerSymbol->setScaleMethod( mScaleMethod ); } else if ( tempSymbol->type() == QgsSymbolV2::Line ) { QgsLineSymbolV2* lineSymbol = static_cast<QgsLineSymbolV2*>( tempSymbol ); if ( mSizeScaleFieldIdx != -1 ) lineSymbol->setWidth( sizeScale * static_cast<QgsLineSymbolV2*>( symbol )->width() ); } return tempSymbol; }
void QgsVectorLayerEditBuffer::updateAttributeMapIndex( QgsAttributeMap& map, int index, int offset ) const { QgsAttributeMap updatedMap; for ( QgsAttributeMap::const_iterator it = map.begin(); it != map.end(); ++it ) { int attrIndex = it.key(); updatedMap.insert( attrIndex < index ? attrIndex : attrIndex + offset, it.value() ); } map = updatedMap; }
void QgsGPXProvider::changeAttributeValues( QgsGPSObject& obj, const QgsAttributeMap& attrs ) { QgsWaypoint* wpt = dynamic_cast<QgsWaypoint*>( &obj ); QgsGPSExtended* ext = dynamic_cast<QgsGPSExtended*>( &obj ); QgsAttributeMap::const_iterator aIter = attrs.begin(); for ( ; aIter != attrs.end(); ++aIter ) { int i = aIter.key(); QVariant v = aIter.value(); // common attributes switch ( indexToAttr[i] ) { case NameAttr: obj.name = v.toString(); break; case CmtAttr: obj.cmt = v.toString(); break; case DscAttr: obj.desc = v.toString(); break; case SrcAttr: obj.src = v.toString(); break; case URLAttr: obj.url = v.toString(); break; case URLNameAttr: obj.urlname = v.toString(); break; } // waypoint-specific attributes if ( wpt != NULL ) { if ( indexToAttr[i] == SymAttr ) wpt->sym = v.toString(); else if ( indexToAttr[i] == EleAttr ) { bool eleIsOK; double ele = v.toDouble( &eleIsOK ); if ( eleIsOK ) wpt->ele = ele; } } // route- and track-specific attributes if ( ext != NULL ) { if ( indexToAttr[i] == NumAttr ) { bool numIsOK; int num = v.toInt( &numIsOK ); if ( numIsOK ) ext->number = num; } } } }
QString QgsPointDisplacementRenderer::getLabel( const QgsFeature& f ) { QString attribute; QgsAttributeMap attMap = f.attributeMap(); if ( attMap.size() > 0 ) { QgsAttributeMap::const_iterator valIt = attMap.find( mLabelIndex ); if ( valIt != attMap.constEnd() ) { attribute = valIt->toString(); } } return attribute; }
QSizeF QgsLinearlyInterpolatedDiagramRenderer::diagramSize( const QgsAttributeMap& attributes, const QgsRenderContext& c ) { Q_UNUSED( c ); QgsAttributeMap::const_iterator attIt = attributes.find( mClassificationAttribute ); if ( attIt == attributes.constEnd() ) { return QSizeF(); //zero size if attribute is missing } double value = attIt.value().toDouble(); //interpolate size double ratio = ( value - mLowerValue ) / ( mUpperValue - mLowerValue ); return QSizeF( mUpperSize.width() * ratio + mLowerSize.width() * ( 1 - ratio ), mUpperSize.height() * ratio + mLowerSize.height() * ( 1 - ratio ) ); }
QgsSymbolV2* QgsCategorizedSymbolRendererV2::symbolForFeature( QgsFeature& feature ) { const QgsAttributeMap& attrMap = feature.attributeMap(); QgsAttributeMap::const_iterator ita = attrMap.find( mAttrNum ); if ( ita == attrMap.end() ) { QgsDebugMsg( "attribute '" + mAttrName + "' (index " + QString::number( mAttrNum ) + ") required by renderer not found" ); return NULL; } // find the right symbol for the category QgsSymbolV2* symbol = symbolForValue( *ita ); if ( symbol == NULL ) return NULL; if ( mRotationFieldIdx == -1 && mSizeScaleFieldIdx == -1 ) return symbol; // no data-defined rotation/scaling - just return the symbol // find out rotation, size scale double rotation = 0; double sizeScale = 1; if ( mRotationFieldIdx != -1 ) rotation = attrMap[mRotationFieldIdx].toDouble(); if ( mSizeScaleFieldIdx != -1 ) sizeScale = attrMap[mSizeScaleFieldIdx].toDouble(); // take a temporary symbol (or create it if doesn't exist) QgsSymbolV2* tempSymbol = mTempSymbols[ita->toString()]; // modify the temporary symbol and return it if ( tempSymbol->type() == QgsSymbolV2::Marker ) { QgsMarkerSymbolV2* markerSymbol = static_cast<QgsMarkerSymbolV2*>( tempSymbol ); if ( mRotationFieldIdx != -1 ) markerSymbol->setAngle( rotation ); if ( mSizeScaleFieldIdx != -1 ) markerSymbol->setSize( sizeScale * static_cast<QgsMarkerSymbolV2*>( symbol )->size() ); } else if ( tempSymbol->type() == QgsSymbolV2::Line ) { QgsLineSymbolV2* lineSymbol = static_cast<QgsLineSymbolV2*>( tempSymbol ); if ( mSizeScaleFieldIdx != -1 ) lineSymbol->setWidth( sizeScale * static_cast<QgsLineSymbolV2*>( symbol )->width() ); } return tempSymbol; }
QSizeF QgsPieDiagram::diagramSize( const QgsAttributeMap& attributes, const QgsRenderContext& c, const QgsDiagramSettings& s, const QgsDiagramInterpolationSettings& is ) { Q_UNUSED( c ); QgsAttributeMap::const_iterator attIt = attributes.find( is.classificationAttribute ); if ( attIt == attributes.constEnd() ) { return QSizeF(); //zero size if attribute is missing } double scaledValue = attIt.value().toDouble(); double scaledLowerValue = is.lowerValue; double scaledUpperValue = is.upperValue; double scaledLowerSizeWidth = is.lowerSize.width(); double scaledLowerSizeHeight = is.lowerSize.height(); double scaledUpperSizeWidth = is.upperSize.width(); double scaledUpperSizeHeight = is.upperSize.height(); // interpolate the squared value if scale by area if ( s.scaleByArea ) { scaledValue = sqrt( scaledValue ); scaledLowerValue = sqrt( scaledLowerValue ); scaledUpperValue = sqrt( scaledUpperValue ); scaledLowerSizeWidth = sqrt( scaledLowerSizeWidth ); scaledLowerSizeHeight = sqrt( scaledLowerSizeHeight ); scaledUpperSizeWidth = sqrt( scaledUpperSizeWidth ); scaledUpperSizeHeight = sqrt( scaledUpperSizeHeight ); } //interpolate size double scaledRatio = ( scaledValue - scaledLowerValue ) / ( scaledUpperValue - scaledLowerValue ); QSizeF size = QSizeF( is.upperSize.width() * scaledRatio + is.lowerSize.width() * ( 1 - scaledRatio ), is.upperSize.height() * scaledRatio + is.lowerSize.height() * ( 1 - scaledRatio ) ); // Scale, if extension is smaller than the specified minimum if ( size.width() <= s.minimumSize && size.height() <= s.minimumSize ) { size.scale( s.minimumSize, s.minimumSize, Qt::KeepAspectRatio ); } return size; }
QString QgsLabel::fieldValue( int attr, QgsFeature &feature ) { if ( mLabelFieldIdx[attr] == -1 ) { return QString(); } const QgsAttributeMap& attrs = feature.attributeMap(); QgsAttributeMap::const_iterator it = attrs.find( mLabelFieldIdx[attr] ); if ( it != attrs.end() ) { return it->toString(); } else { return QString(); } }
int QgsDiagramRenderer::classificationValue( const QgsFeature& f, QVariant& value ) const { //find out attribute value of the feature QgsAttributeMap featureAttributes = f.attributeMap(); QgsAttributeMap::const_iterator iter; if ( value.type() == QVariant::String ) //string type { //we can only handle one classification field for strings if ( mClassificationAttributes.size() > 1 ) { return 1; } iter = featureAttributes.find( mClassificationAttributes.first() ); if ( iter == featureAttributes.constEnd() ) { return 2; } value = iter.value(); } else //numeric type { double currentValue; double totalValue = 0; QList<int>::const_iterator list_it = mClassificationAttributes.constBegin(); for ( ; list_it != mClassificationAttributes.constEnd(); ++list_it ) { QgsAttributeMap::const_iterator iter = featureAttributes.find( *list_it ); if ( iter == featureAttributes.constEnd() ) { continue; } currentValue = iter.value().toDouble(); totalValue += currentValue; } value = QVariant( totalValue ); } return 0; }
void QgsMapToolChangeLabelProperties::applyChanges( const QgsAttributeMap& changes ) { QgsVectorLayer* vlayer = mCurrentLabel.layer; if ( !vlayer ) return; if ( !changes.isEmpty() ) { vlayer->beginEditCommand( tr( "Changed properties for label" ) + QStringLiteral( " '%1'" ).arg( currentLabelText( 24 ) ) ); QgsAttributeMap::const_iterator changeIt = changes.constBegin(); for ( ; changeIt != changes.constEnd(); ++changeIt ) { vlayer->changeAttributeValue( mCurrentLabel.pos.featureId, changeIt.key(), changeIt.value() ); } vlayer->endEditCommand(); vlayer->triggerRepaint(); } }
void QgsVectorLayerFeatureIterator::updateChangedAttributes( QgsFeature &f ) { QgsAttributes& attrs = f.attributes(); // remove all attributes that will disappear - from higher indices to lower for ( int idx = mDeletedAttributeIds.count() - 1; idx >= 0; --idx ) { attrs.remove( mDeletedAttributeIds[idx] ); } // adjust size to accommodate added attributes attrs.resize( attrs.count() + mAddedAttributes.count() ); // update changed attributes if ( mChangedAttributeValues.contains( f.id() ) ) { const QgsAttributeMap &map = mChangedAttributeValues[f.id()]; for ( QgsAttributeMap::const_iterator it = map.begin(); it != map.end(); it++ ) attrs[it.key()] = it.value(); } }
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++ ); } }
QString QgsWFSServer::createFeatureGeoJSON( QgsFeature* feat, QgsCoordinateReferenceSystem &, QMap< int, QgsField > fields, QSet<QString> hiddenAttributes ) /*const*/ { QString fStr = "{\"type\": \"Feature\",\n"; fStr += " \"id\": "; fStr += QString::number( feat->id() ); fStr += ",\n"; QgsGeometry* geom = feat->geometry(); if ( geom && mWithGeom ) { QgsRectangle box = geom->boundingBox(); fStr += " \"bbox\": [ " + QString::number( box.xMinimum(), 'f', 6 ).remove( QRegExp( "[0]{1,5}$" ) ) + ", " + QString::number( box.yMinimum(), 'f', 6 ).remove( QRegExp( "[0]{1,5}$" ) ) + ", " + QString::number( box.xMaximum(), 'f', 6 ).remove( QRegExp( "[0]{1,5}$" ) ) + ", " + QString::number( box.yMaximum(), 'f', 6 ).remove( QRegExp( "[0]{1,5}$" ) ) + "],\n"; fStr += " \"geometry\": "; fStr += geom->exportToGeoJSON(); fStr += ",\n"; } //read all attribute values from the feature fStr += " \"properties\": {\n"; QgsAttributeMap featureAttributes = feat->attributeMap(); int attributeCounter = 0; for ( QgsAttributeMap::const_iterator it = featureAttributes.begin(); it != featureAttributes.end(); ++it ) { QString attributeName = fields[it.key()].name(); //skip attribute if it has edit type 'hidden' if ( hiddenAttributes.contains( attributeName ) ) { continue; } if ( attributeCounter == 0 ) fStr += " \""; else fStr += " ,\""; fStr += attributeName; fStr += "\": "; if ( it->type() == 6 || it->type() == 2 ) { fStr += it->toString(); } else { fStr += "\""; fStr += it->toString().replace( QString( "\"" ), QString( "\\\"" ) ); fStr += "\""; } fStr += "\n"; ++attributeCounter; } fStr += " }\n"; fStr += " }"; return fStr; }
void QgsOfflineEditing::committedAttributeValuesChanges( const QString& qgisLayerId, const QgsChangedAttributesMap& changedAttrsMap ) { sqlite3* db = openLoggingDb(); if ( db == NULL ) { return; } // insert log int layerId = getOrCreateLayerId( db, qgisLayerId ); int commitNo = getCommitNo( db ); for ( QgsChangedAttributesMap::const_iterator cit = changedAttrsMap.begin(); cit != changedAttrsMap.end(); ++cit ) { QgsFeatureId fid = cit.key(); if ( isAddedFeature( db, layerId, fid ) ) { // skip added features continue; } QgsAttributeMap attrMap = cit.value(); for ( QgsAttributeMap::const_iterator it = attrMap.begin(); it != attrMap.end(); ++it ) { QString sql = QString( "INSERT INTO 'log_feature_updates' VALUES ( %1, %2, %3, %4, '%5' )" ) .arg( layerId ) .arg( commitNo ) .arg( fid ) .arg( it.key() ) // attr .arg( it.value().toString() ); // value sqlExec( db, sql ); } } increaseCommitNo( db ); sqlite3_close( db ); }
bool QgsFeatureAction::editFeature() { bool res = false; if ( !mLayer ) return res; QgsAttributeDialog *dialog = newDialog( false ); if ( !mLayer->isEditable() ) { res = dialog->exec(); } else { QgsAttributeMap src = mFeature.attributeMap(); if ( dialog->exec() ) { mLayer->beginEditCommand( text() ); const QgsAttributeMap &dst = mFeature.attributeMap(); for ( QgsAttributeMap::const_iterator it = dst.begin(); it != dst.end(); it++ ) { if ( !src.contains( it.key() ) || it.value() != src[it.key()] ) { mLayer->changeAttributeValue( mFeature.id(), it.key(), it.value() ); } } mLayer->endEditCommand(); res = true; } else { res = false; } } delete dialog; return res; }
bool QgsWFSProvider::changeAttributeValues( const QgsChangedAttributesMap &attr_map ) { //find out typename from uri and strip namespace prefix QString tname = mShared->mURI.typeName(); if ( tname.isNull() ) { return false; } //create <Transaction> xml QDomDocument transactionDoc; QDomElement transactionElem = createTransactionElement( transactionDoc ); transactionDoc.appendChild( transactionElem ); QgsChangedAttributesMap::const_iterator attIt = attr_map.constBegin(); for ( ; attIt != attr_map.constEnd(); ++attIt ) { QString gmlid = mShared->findGmlId( attIt.key() ); if ( gmlid.isEmpty() ) { QgsDebugMsg( QString( "Cannot identify feature of id %1" ).arg( attIt.key() ) ); continue; } QDomElement updateElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Update" ); updateElem.setAttribute( "typeName", tname ); QgsAttributeMap::const_iterator attMapIt = attIt.value().constBegin(); for ( ; attMapIt != attIt.value().constEnd(); ++attMapIt ) { QString fieldName = mShared->mFields.at( attMapIt.key() ).name(); QDomElement propertyElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Property" ); QDomElement nameElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Name" ); QDomText nameText = transactionDoc.createTextNode( fieldName ); nameElem.appendChild( nameText ); propertyElem.appendChild( nameElem ); QDomElement valueElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Value" ); QDomText valueText = transactionDoc.createTextNode( attMapIt.value().toString() ); valueElem.appendChild( valueText ); propertyElem.appendChild( valueElem ); updateElem.appendChild( propertyElem ); } //Filter QDomElement filterElem = transactionDoc.createElementNS( QgsWFSConstants::OGC_NAMESPACE, "Filter" ); QDomElement featureIdElem = transactionDoc.createElementNS( QgsWFSConstants::OGC_NAMESPACE, "FeatureId" ); featureIdElem.setAttribute( "fid", gmlid ); filterElem.appendChild( featureIdElem ); updateElem.appendChild( filterElem ); transactionElem.appendChild( updateElem ); } QDomDocument serverResponse; bool success = sendTransactionDocument( transactionDoc, serverResponse ); if ( !success ) { return false; } if ( transactionSuccess( serverResponse ) ) { mShared->changeAttributeValues( attr_map ); return true; } else { handleException( serverResponse ); return false; } }
void QgsOfflineEditing::copyVectorLayer( QgsVectorLayer* layer, sqlite3* db, const QString& offlineDbPath ) { if ( layer == NULL ) { return; } QString tableName = layer->name(); // create table QString sql = QString( "CREATE TABLE '%1' (" ).arg( tableName ); QString delim = ""; const QgsFieldMap& fields = layer->dataProvider()->fields(); for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end() ; ++it ) { QString dataType = ""; QVariant::Type type = it.value().type(); if ( type == QVariant::Int ) { dataType = "INTEGER"; } else if ( type == QVariant::Double ) { dataType = "REAL"; } else if ( type == QVariant::String ) { dataType = "TEXT"; } else { showWarning( tr( "Unknown data type %1" ).arg( type ) ); } sql += delim + QString( "'%1' %2" ).arg( it.value().name() ).arg( dataType ); delim = ","; } sql += ")"; // add geometry column QString geomType = ""; switch ( layer->wkbType() ) { case QGis::WKBPoint: geomType = "POINT"; break; case QGis::WKBMultiPoint: geomType = "MULTIPOINT"; break; case QGis::WKBLineString: geomType = "LINESTRING"; break; case QGis::WKBMultiLineString: geomType = "MULTILINESTRING"; break; case QGis::WKBPolygon: geomType = "POLYGON"; break; case QGis::WKBMultiPolygon: geomType = "MULTIPOLYGON"; break; default: showWarning( tr( "QGIS wkbType %1 not supported" ).arg( layer->wkbType() ) ); break; }; QString sqlAddGeom = QString( "SELECT AddGeometryColumn('%1', 'Geometry', %2, '%3', 2)" ) .arg( tableName ) .arg( layer->crs().authid().startsWith( "EPSG:", Qt::CaseInsensitive ) ? layer->crs().authid().mid( 5 ).toLong() : 0 ) .arg( geomType ); // create spatial index QString sqlCreateIndex = QString( "SELECT CreateSpatialIndex('%1', 'Geometry')" ).arg( tableName ); int rc = sqlExec( db, sql ); if ( rc == SQLITE_OK ) { rc = sqlExec( db, sqlAddGeom ); if ( rc == SQLITE_OK ) { rc = sqlExec( db, sqlCreateIndex ); } } if ( rc == SQLITE_OK ) { // add new layer QgsVectorLayer* newLayer = new QgsVectorLayer( QString( "dbname='%1' table='%2'(Geometry) sql=" ) .arg( offlineDbPath ).arg( tableName ), tableName + " (offline)", "spatialite" ); if ( newLayer->isValid() ) { // mark as offline layer newLayer->setCustomProperty( CUSTOM_PROPERTY_IS_OFFLINE_EDITABLE, true ); // store original layer source newLayer->setCustomProperty( CUSTOM_PROPERTY_REMOTE_SOURCE, layer->source() ); newLayer->setCustomProperty( CUSTOM_PROPERTY_REMOTE_PROVIDER, layer->providerType() ); // copy style bool hasLabels = layer->hasLabelsEnabled(); if ( !hasLabels ) { // NOTE: copy symbology before adding the layer so it is displayed correctly copySymbology( layer, newLayer ); } // register this layer with the central layers registry QgsMapLayerRegistry::instance()->addMapLayer( newLayer ); if ( hasLabels ) { // NOTE: copy symbology of layers with labels enabled after adding to project, as it will crash otherwise (WORKAROUND) copySymbology( layer, newLayer ); } // TODO: layer order // copy features newLayer->startEditing(); QgsFeature f; // NOTE: force feature recount for PostGIS layer, else only visible features are counted, before iterating over all features (WORKAROUND) layer->setSubsetString( "" ); layer->select( layer->pendingAllAttributesList(), QgsRectangle(), true, false ); mProgressDialog->setupProgressBar( tr( "%v / %m features copied" ), layer->featureCount() ); int featureCount = 1; QList<int> remoteFeatureIds; while ( layer->nextFeature( f ) ) { remoteFeatureIds << f.id(); // NOTE: Spatialite provider ignores position of geometry column // fill gap in QgsAttributeMap if geometry column is not last (WORKAROUND) int column = 0; QgsAttributeMap newAttrMap; QgsAttributeMap attrMap = f.attributeMap(); for ( QgsAttributeMap::const_iterator it = attrMap.begin(); it != attrMap.end(); ++it ) { newAttrMap.insert( column++, it.value() ); } f.setAttributeMap( newAttrMap ); newLayer->addFeature( f, false ); mProgressDialog->setProgressValue( featureCount++ ); } if ( newLayer->commitChanges() ) { mProgressDialog->setupProgressBar( tr( "%v / %m features processed" ), layer->featureCount() ); featureCount = 1; // update feature id lookup int layerId = getOrCreateLayerId( db, newLayer->id() ); QList<int> offlineFeatureIds; newLayer->select( QgsAttributeList(), QgsRectangle(), false, false ); while ( newLayer->nextFeature( f ) ) { offlineFeatureIds << f.id(); } // NOTE: insert fids in this loop, as the db is locked during newLayer->nextFeature() sqlExec( db, "BEGIN" ); for ( int i = 0; i < remoteFeatureIds.size(); i++ ) { addFidLookup( db, layerId, offlineFeatureIds.at( i ), remoteFeatureIds.at( i ) ); mProgressDialog->setProgressValue( featureCount++ ); } sqlExec( db, "COMMIT" ); } else { showWarning( newLayer->commitErrors().join( "\n" ) ); } // remove remote layer QgsMapLayerRegistry::instance()->removeMapLayer( layer->id() ); } } }
void RgLineVectorLayerDirector::makeGraph( RgGraphBuilder *builder, const QVector< QgsPoint >& additionalPoints, QVector< QgsPoint >& tiedPoint ) const { QgsVectorLayer *vl = myLayer(); if ( vl == NULL ) return; int featureCount = ( int ) vl->featureCount() * 2; int step = 0; QgsCoordinateTransform ct; QgsDistanceArea da; ct.setSourceCrs( vl->crs() ); if ( builder->coordinateTransformEnabled() ) { ct.setDestCRS( builder->destinationCrs() ); da.setProjectionsEnabled( true ); // //da.setSourceCrs( builder->destinationCrs().srsid() ); // } else { ct.setDestCRS( vl->crs() ); da.setProjectionsEnabled( false ); } tiedPoint = QVector< QgsPoint >( additionalPoints.size(), QgsPoint( 0.0, 0.0 ) ); TiePointInfo tmpInfo; tmpInfo.mLength = infinity(); QVector< TiePointInfo > pointLengthMap( additionalPoints.size(), tmpInfo ); QVector< TiePointInfo >::iterator pointLengthIt; // begin: tie points to the graph QgsAttributeList la; vl->select( la ); QgsFeature feature; while ( vl->nextFeature( feature ) ) { QgsMultiPolyline mpl; if ( feature.geometry()->wkbType() == QGis::WKBLineString ) { mpl.push_back( feature.geometry()->asPolyline() ); }else if ( feature.geometry()->wkbType() == QGis::WKBMultiLineString ) { mpl = feature.geometry()->asMultiPolyline(); } QgsMultiPolyline::iterator mplIt; for ( mplIt = mpl.begin(); mplIt != mpl.end(); ++mplIt ) { QgsPoint pt1, pt2; bool isFirstPoint = true; QgsPolyline::iterator pointIt; for ( pointIt = mplIt->begin(); pointIt != mplIt->end(); ++pointIt ) { pt2 = builder->addVertex( ct.transform( *pointIt ) ); if ( !isFirstPoint ) { int i = 0; for ( i = 0; i != additionalPoints.size(); ++i ) { TiePointInfo info; if ( pt1 == pt2 ) { info.mLength = additionalPoints[ i ].sqrDist( pt1 ); info.mTiedPoint = pt1; } else { info.mLength = additionalPoints[ i ].sqrDistToSegment( pt1.x(), pt1.y(), pt2.x(), pt2.y(), info.mTiedPoint ); } if ( pointLengthMap[ i ].mLength > info.mLength ) { info.mTiedPoint = builder->addVertex( info.mTiedPoint ); info.mFirstPoint = pt1; info.mLastPoint = pt2; pointLengthMap[ i ] = info; tiedPoint[ i ] = info.mTiedPoint; } } } pt1 = pt2; isFirstPoint = false; } } emit buildProgress( ++step, featureCount ); } // end: tie points to graph if ( mDirectionFieldId != -1 ) { la.push_back( mDirectionFieldId ); } if ( mSpeedFieldId != -1 ) { la.push_back( mSpeedFieldId ); } SpeedUnit su = SpeedUnit::byName( mSpeedUnitName ); // begin graph construction vl->select( la ); while ( vl->nextFeature( feature ) ) { QgsAttributeMap attr = feature.attributeMap(); int directionType = mDefaultDirection; QgsAttributeMap::const_iterator it; // What direction have feature? for ( it = attr.constBegin(); it != attr.constEnd(); ++it ) { if ( it.key() != mDirectionFieldId ) { continue; } QString str = it.value().toString(); if ( str == mBothDirectionValue ) { directionType = 3; } else if ( str == mDirectDirectionValue ) { directionType = 1; } else if ( str == mReverseDirectionValue ) { directionType = 2; } } // What speed have feature? double speed = 0.0; for ( it = attr.constBegin(); it != attr.constEnd(); ++it ) { if ( it.key() != mSpeedFieldId ) { continue; } speed = it.value().toDouble(); } if ( speed <= 0.0 ) { speed = mDefaultSpeed; } // begin features segments and add arc to the Graph; QgsMultiPolyline mpl; if ( feature.geometry()->wkbType() == QGis::WKBLineString ) { mpl.push_back( feature.geometry()->asPolyline() ); }else if ( feature.geometry()->wkbType() == QGis::WKBMultiLineString ) { mpl = feature.geometry()->asMultiPolyline(); } QgsMultiPolyline::iterator mplIt; for ( mplIt = mpl.begin(); mplIt != mpl.end(); ++mplIt ) { QgsPoint pt1, pt2; bool isFirstPoint = true; QgsPolyline::iterator pointIt; for ( pointIt = mplIt->begin(); pointIt != mplIt->end(); ++pointIt ) { pt2 = builder->addVertex( ct.transform( *pointIt ) ); std::map< double, QgsPoint > pointsOnArc; pointsOnArc[ 0.0 ] = pt1; pointsOnArc[ pt1.sqrDist( pt2 )] = pt2; for ( pointLengthIt = pointLengthMap.begin(); pointLengthIt != pointLengthMap.end(); ++pointLengthIt ) { if ( pointLengthIt->mFirstPoint == pt1 && pointLengthIt->mLastPoint == pt2 ) { QgsPoint tiedPoint = pointLengthIt->mTiedPoint; pointsOnArc[ pt1.sqrDist( tiedPoint )] = tiedPoint; } } if ( !isFirstPoint ) { std::map< double, QgsPoint >::iterator pointsIt; QgsPoint pt1; QgsPoint pt2; bool isFirstPoint = true; for ( pointsIt = pointsOnArc.begin(); pointsIt != pointsOnArc.end(); ++pointsIt ) { pt2 = pointsIt->second; if ( !isFirstPoint ) { double cost = da.measureLine( pt1, pt2 ); if ( directionType == 1 || directionType == 3 ) { builder->addArc( pt1, pt2, cost, speed*su.multipler(), feature.id() ); } if ( directionType == 2 || directionType == 3 ) { builder->addArc( pt2, pt1, cost, speed*su.multipler(), feature.id() ); } } pt1 = pt2; isFirstPoint = false; } } // if ( !isFirstPoint ) pt1 = pt2; isFirstPoint = false; } } // for (it = pl.begin(); it != pl.end(); ++it) emit buildProgress( ++step, featureCount ); } // while( vl->nextFeature(feature) ) } // makeGraph( RgGraphBuilder *builder, const QgsRectangle& rt )
bool QgsGPXProvider::addFeature( QgsFeature& f ) { unsigned char* geo = f.geometry()->asWkb(); QGis::WkbType wkbType = f.geometry()->wkbType(); bool success = false; QgsGPSObject* obj = NULL; const QgsAttributeMap& attrs( f.attributeMap() ); QgsAttributeMap::const_iterator it; // is it a waypoint? if ( mFeatureType == WaypointType && geo != NULL && wkbType == QGis::WKBPoint ) { // add geometry QgsWaypoint wpt; std::memcpy( &wpt.lon, geo + 5, sizeof( double ) ); std::memcpy( &wpt.lat, geo + 13, sizeof( double ) ); // add waypoint-specific attributes for ( it = attrs.begin(); it != attrs.end(); ++it ) { if ( it.key() == EleAttr ) { bool eleIsOK; double ele = it->toDouble( &eleIsOK ); if ( eleIsOK ) wpt.ele = ele; } else if ( it.key() == SymAttr ) { wpt.sym = it->toString(); } } QgsGPSData::WaypointIterator iter = data->addWaypoint( wpt ); success = true; obj = &( *iter ); } // is it a route? if ( mFeatureType == RouteType && geo != NULL && wkbType == QGis::WKBLineString ) { QgsRoute rte; // reset bounds rte.xMin = std::numeric_limits<double>::max(); rte.xMax = -std::numeric_limits<double>::max(); rte.yMin = std::numeric_limits<double>::max(); rte.yMax = -std::numeric_limits<double>::max(); // add geometry int nPoints; std::memcpy( &nPoints, geo + 5, 4 ); for ( int i = 0; i < nPoints; ++i ) { double lat, lon; std::memcpy( &lon, geo + 9 + 16 * i, sizeof( double ) ); std::memcpy( &lat, geo + 9 + 16 * i + 8, sizeof( double ) ); QgsRoutepoint rtept; rtept.lat = lat; rtept.lon = lon; rte.points.push_back( rtept ); rte.xMin = rte.xMin < lon ? rte.xMin : lon; rte.xMax = rte.xMax > lon ? rte.xMax : lon; rte.yMin = rte.yMin < lat ? rte.yMin : lat; rte.yMax = rte.yMax > lat ? rte.yMax : lat; } // add route-specific attributes for ( it = attrs.begin(); it != attrs.end(); ++it ) { if ( it.key() == NumAttr ) { bool numIsOK; long num = it->toInt( &numIsOK ); if ( numIsOK ) rte.number = num; } } QgsGPSData::RouteIterator iter = data->addRoute( rte ); success = true; obj = &( *iter ); } // is it a track? if ( mFeatureType == TrackType && geo != NULL && wkbType == QGis::WKBLineString ) { QgsTrack trk; QgsTrackSegment trkseg; // reset bounds trk.xMin = std::numeric_limits<double>::max(); trk.xMax = -std::numeric_limits<double>::max(); trk.yMin = std::numeric_limits<double>::max(); trk.yMax = -std::numeric_limits<double>::max(); // add geometry int nPoints; std::memcpy( &nPoints, geo + 5, 4 ); for ( int i = 0; i < nPoints; ++i ) { double lat, lon; std::memcpy( &lon, geo + 9 + 16 * i, sizeof( double ) ); std::memcpy( &lat, geo + 9 + 16 * i + 8, sizeof( double ) ); QgsTrackpoint trkpt; trkpt.lat = lat; trkpt.lon = lon; trkseg.points.push_back( trkpt ); trk.xMin = trk.xMin < lon ? trk.xMin : lon; trk.xMax = trk.xMax > lon ? trk.xMax : lon; trk.yMin = trk.yMin < lat ? trk.yMin : lat; trk.yMax = trk.yMax > lat ? trk.yMax : lat; } // add track-specific attributes for ( it = attrs.begin(); it != attrs.end(); ++it ) { if ( it.key() == NumAttr ) { bool numIsOK; long num = it->toInt( &numIsOK ); if ( numIsOK ) trk.number = num; } } trk.segments.push_back( trkseg ); QgsGPSData::TrackIterator iter = data->addTrack( trk ); success = true; obj = &( *iter ); } // add common attributes if ( obj ) { for ( it = attrs.begin(); it != attrs.end(); ++it ) { if ( it.key() == NameAttr ) { obj->name = it->toString(); } else if ( it.key() == CmtAttr ) { obj->cmt = it->toString(); } else if ( it.key() == DscAttr ) { obj->desc = it->toString(); } else if ( it.key() == SrcAttr ) { obj->src = it->toString(); } else if ( it.key() == URLAttr ) { obj->url = it->toString(); } else if ( it.key() == URLNameAttr ) { obj->urlname = it->toString(); } } } return success; }
void QgsMapToolRotatePointSymbols::canvasPressEvent( QMouseEvent *e ) { if ( !mCanvas ) { return; } mActiveLayer = currentVectorLayer(); if ( !mActiveLayer ) { notifyNotVectorLayer(); return; } if ( !mActiveLayer->isEditable() ) { notifyNotEditableLayer(); return; } if ( mActiveLayer->geometryType() != QGis::Point ) { return; } //find the closest feature to the pressed position QgsMapCanvasSnapper canvasSnapper( mCanvas ); QList<QgsSnappingResult> snapResults; if ( canvasSnapper.snapToCurrentLayer( e->pos(), snapResults, QgsSnapper::SnapToVertex, -1 ) != 0 || snapResults.size() < 1 ) { QMessageBox::critical( 0, tr( "No point feature" ), tr( "No point feature was detected at the clicked position. Please click closer to the feature or enhance the search tolerance under Settings->Options->Digitizing->Serch radius for vertex edits" ) ); return; //error during snapping } mFeatureNumber = snapResults.at( 0 ).snappedAtGeometry; //get list with renderer rotation attributes if ( layerRotationAttributes( mActiveLayer, mCurrentRotationAttributes ) != 0 ) { return; } if ( mCurrentRotationAttributes.size() < 1 ) { QMessageBox::critical( 0, tr( "No rotation Attributes" ), tr( "The active point layer does not have a rotation attribute" ) ); return; } mSnappedPoint = toCanvasCoordinates( snapResults.at( 0 ).snappedVertex ); //find out initial arrow direction QgsFeature pointFeature; if ( !mActiveLayer->featureAtId( mFeatureNumber, pointFeature, false, true ) ) { return; } const QgsAttributeMap pointFeatureAttributes = pointFeature.attributeMap(); const QgsAttributeMap::const_iterator attIt = pointFeatureAttributes.find( mCurrentRotationAttributes.at( 0 ) ); if ( attIt == pointFeatureAttributes.constEnd() ) { return; } mCurrentRotationFeature = attIt.value().toDouble(); createPixmapItem( pointFeature ); if ( mRotationItem ) { mRotationItem->setPointLocation( snapResults.at( 0 ).snappedVertex ); } mCurrentMouseAzimut = calculateAzimut( e->pos() ); setPixmapItemRotation(( int )( mCurrentMouseAzimut ) ); mRotating = true; }