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Override checkParameterValues() method in align rasters processing algorithm #59153

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merged 1 commit into from
Oct 21, 2024
Merged

Override checkParameterValues() method in align rasters processing algorithm #59153

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21 changes: 21 additions & 0 deletions src/analysis/processing/qgsalgorithmalignrasters.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,27 @@ QgsAlignRastersAlgorithm *QgsAlignRastersAlgorithm::createInstance() const
return new QgsAlignRastersAlgorithm();
}

bool QgsAlignRastersAlgorithm::checkParameterValues( const QVariantMap &parameters, QgsProcessingContext &context, QString *message ) const
{
const QVariant layersVariant = parameters.value( parameterDefinition( QStringLiteral( "LAYERS" ) )->name() );
const QList<QgsAlignRasterData::RasterItem> items = QgsProcessingParameterAlignRasterLayers::parameterAsItems( layersVariant, context );
bool unconfiguredLayers = false;
for ( const QgsAlignRasterData::RasterItem &item : items )
{
if ( item.outputFilename.isEmpty() )
{
unconfiguredLayers = true;
break;
}
}
if ( unconfiguredLayers )
{
*message = QObject::tr( "An output file is not configured for one or more input layers. Configure output files via 'Configure Raster…' under Input layers parameter." );
return false;
}
return QgsProcessingAlgorithm::checkParameterValues( parameters, context );
}

void QgsAlignRastersAlgorithm::initAlgorithm( const QVariantMap & )
{
addParameter( new QgsProcessingParameterAlignRasterLayers( QStringLiteral( "LAYERS" ), QObject::tr( "Input layers" ) ) );
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1 change: 1 addition & 0 deletions src/analysis/processing/qgsalgorithmalignrasters.h
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Expand Up @@ -44,6 +44,7 @@ class QgsAlignRastersAlgorithm : public QgsProcessingAlgorithm
QString groupId() const override;
QString shortHelpString() const override;
QgsAlignRastersAlgorithm *createInstance() const override SIP_FACTORY;
bool checkParameterValues( const QVariantMap &parameters, QgsProcessingContext &context, QString *message ) const override;

protected:

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