class -> namespace

GUI/Model/Sample/SampleValidator.h

@@ -18,13 +18,11 @@
 #include <QString>
 
 class SampleItem;
-class LayerItem;
-class ItemWithParticles;
 
-//! Validates whether SampleItem is suitable for simulation
-class SampleValidator {
-public:
+namespace SampleValidator {
+
     QString isValidSample(const SampleItem* sample);
-};
+
+}
 
 #endif // BORNAGAIN_GUI_MODEL_SAMPLE_SAMPLEVALIDATOR_H

GUI/View/Project/SimulationView.cpp

@@ -229,7 +229,7 @@ QString SimulationView::validateSimulationSetup(bool validateRealData) const
     if (!selectedSampleItem())
         append("No sample selected");
     else {
-        QString m = SampleValidator().isValidSample(selectedSampleItem());
+        QString m = SampleValidator::isValidSample(selectedSampleItem());
 	if (!m.isEmpty())
 	    append(m);
     }