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(); } }