void QgsLockedFeature::validateGeometry( QgsGeometry *g )
{
QgsSettings settings;
if ( settings.value( QStringLiteral( "qgis/digitizing/validate_geometries" ), 1 ).toInt() == 0 )
return;
if ( !g )
g = mGeometry;
mTip.clear();
if ( mValidator )
{
mValidator->stop();
mValidator->wait();
mValidator->deleteLater();
mValidator = nullptr;
}
mGeomErrors.clear();
while ( !mGeomErrorMarkers.isEmpty() )
{
QgsVertexMarker *vm = mGeomErrorMarkers.takeFirst();
QgsDebugMsg( "deleting " + vm->toolTip() );
delete vm;
}
QgsGeometry::ValidationMethod method = QgsGeometry::ValidatorQgisInternal;
if ( settings.value( QStringLiteral( "qgis/digitizing/validate_geometries" ), 1 ).toInt() == 2 )
method = QgsGeometry::ValidatorGeos;
mValidator = new QgsGeometryValidator( *g, nullptr, method );
connect( mValidator, &QgsGeometryValidator::errorFound, this, &QgsLockedFeature::addError );
connect( mValidator, &QThread::finished, this, &QgsLockedFeature::validationFinished );
mValidator->start();
QgsStatusBar *sb = QgisApp::instance()->statusBarIface();
sb->showMessage( tr( "Validation started." ) );
}
void QgsSelectedFeature::addError( QgsGeometry::Error e )
{
mGeomErrors << e;
if ( !mTip.isEmpty() )
mTip += '\n';
mTip += e.what();
if ( e.hasWhere() )
{
QgsVertexMarker *marker = new QgsVertexMarker( mCanvas );
marker->setCenter( mCanvas->mapSettings().layerToMapCoordinates( mVlayer, e.where() ) );
marker->setIconType( QgsVertexMarker::ICON_X );
marker->setColor( Qt::green );
marker->setZValue( marker->zValue() + 1 );
marker->setPenWidth( 2 );
marker->setToolTip( e.what() );
mGeomErrorMarkers << marker;
}
QgsStatusBar *sb = QgisApp::instance()->statusBarIface();
sb->showMessage( e.what() );
sb->setToolTip( mTip );
}
void QgsLockedFeature::validationFinished()
{
QgsStatusBar *sb = QgisApp::instance()->statusBarIface();
sb->showMessage( tr( "Validation finished (%n error(s) found).", "number of geometry errors", mGeomErrorMarkers.size() ) );
}