int QgsLegendModel::addVectorLayerItems( QStandardItem* layerItem, QgsVectorLayer* vlayer ) { if ( !layerItem || !vlayer ) { return 1; } int opacity = vlayer->getTransparency(); const QgsRenderer* vectorRenderer = vlayer->renderer(); if ( !vectorRenderer ) { return 3; } //text field that describes classification attribute? QSettings settings; if ( settings.value( "/qgis/showLegendClassifiers", false ).toBool() ) { QgsFieldMap layerFields = vlayer->pendingFields(); QgsAttributeList attributes = vectorRenderer->classificationAttributes(); QgsAttributeList::const_iterator att_it = attributes.constBegin(); for ( ; att_it != attributes.constEnd(); ++att_it ) { QgsFieldMap::const_iterator fieldIt = layerFields.find( *att_it ); if ( fieldIt != layerFields.constEnd() ) { QString attributeName = vlayer->attributeDisplayName( fieldIt.key() ); QStandardItem* attributeItem = new QStandardItem( attributeName ); attributeItem->setData( QgsLegendModel::ClassificationItem, Qt::UserRole + 1 ); //first user data stores the item type attributeItem->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable ); layerItem->setChild( layerItem->rowCount(), 0, attributeItem ); } } } const QList<QgsSymbol*> vectorSymbols = vectorRenderer->symbols(); QList<QgsSymbol*>::const_iterator symbolIt = vectorSymbols.constBegin(); for ( ; symbolIt != vectorSymbols.constEnd(); ++symbolIt ) { if ( !( *symbolIt ) ) { continue; } QStandardItem* currentSymbolItem = itemFromSymbol( *symbolIt, opacity, vlayer->id() ); if ( !currentSymbolItem ) { continue; } layerItem->setChild( layerItem->rowCount(), 0, currentSymbolItem ); } return 0; }
void QgsProjectFileTransform::transform0110to1000() { if ( ! mDom.isNull() ) { QDomNodeList layerList = mDom.elementsByTagName( "maplayer" ); for ( int i = 0; i < layerList.size(); ++i ) { QDomElement layerElem = layerList.at( i ).toElement(); QString typeString = layerElem.attribute( "type" ); if ( typeString != "vector" ) { continue; } //datasource QDomNode dataSourceNode = layerElem.namedItem( "datasource" ); if ( dataSourceNode.isNull() ) { return; } QString dataSource = dataSourceNode.toElement().text(); //provider key QDomNode providerNode = layerElem.namedItem( "provider" ); if ( providerNode.isNull() ) { return; } QString providerKey = providerNode.toElement().text(); //create the layer to get the provider for int->fieldName conversion QgsVectorLayer* theLayer = new QgsVectorLayer( dataSource, "", providerKey, false ); if ( !theLayer->isValid() ) { delete theLayer; return; } QgsVectorDataProvider* theProvider = theLayer->dataProvider(); if ( !theProvider ) { return; } QgsFieldMap theFieldMap = theProvider->fields(); //read classificationfield QDomNodeList classificationFieldList = layerElem.elementsByTagName( "classificationfield" ); for ( int j = 0; j < classificationFieldList.size(); ++j ) { QDomElement classificationFieldElem = classificationFieldList.at( j ).toElement(); int fieldNumber = classificationFieldElem.text().toInt(); QgsFieldMap::const_iterator field_it = theFieldMap.find( fieldNumber ); if ( field_it != theFieldMap.constEnd() ) { QDomText fieldName = mDom.createTextNode( field_it.value().name() ); QDomNode nameNode = classificationFieldElem.firstChild(); classificationFieldElem.replaceChild( fieldName, nameNode ); } } } } }