#4017 Add function used to determine date format from text string

ApplicationCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeatureUi.h

@@ -133,6 +133,8 @@ public:
     const AsciiDataParseOptions    parseOptions() const;
     void    createNewPlot();
 
+    static DateFormat dateFormatFromString(const QString& dateString);
+
 protected:
     void                            defineUiOrdering(QString uiConfigName, caf::PdmUiOrdering& uiOrdering) override;
     QList<caf::PdmOptionItemInfo>   calculateValueOptions(const caf::PdmFieldHandle* fieldNeedingOptions, bool* useOptionsOnly) override;