#3428 Text string creation based on date and time : Add helper function

ApplicationCode/Application/Tools/RiaQDateTimeTools.cpp

@@ -18,8 +18,9 @@
 
 #include "RiaQDateTimeTools.h"
 
-#include <QString>
 #include <QDateTime>
+#include <QLocale>
+#include <QString>
 
 #include <cvfAssert.h>
 
@@ -357,3 +358,18 @@ QString RiaQDateTimeTools::dateTimePeriodName(DateTimePeriod period)
     default:                        return "None";
     }
 }
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+QString RiaQDateTimeTools::toStringUsingApplicationLocale(const QDateTime& dt, const QString& format)
+{
+    // Default application locale is set in RiaMain
+    // QLocale::setDefault(QLocale(QLocale::English, QLocale::UnitedStates));
+    //
+    // QDate/QDateTime use system locale for toString() functions
+
+    QLocale defaultApplicationLocale;
+
+    return defaultApplicationLocale.toString(dt, format);
+}

ApplicationCode/Application/Tools/RiaQDateTimeTools.h

@@ -101,6 +101,10 @@ public:
     static std::vector<DateTimePeriod>  dateTimePeriods();
     static QString                      dateTimePeriodName(DateTimePeriod period);
 
+    // This function uses C locale to make sure the text representation of a date is stable, independent of the locale
+    // settings on local machine. Required for stable regression testing.
+    static QString toStringUsingApplicationLocale(const QDateTime& dt, const QString& format);
+
 private:
     static quint64  secondsInDay();
     static quint64  secondsInYear();