update settings for all RTL languages.

Oqtane.Server/Infrastructure/Localization/RightToLeftCulture.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Globalization;
+using System.Reflection;
+
+namespace Oqtane.Infrastructure
+{
+    public class RightToLeftCulture
+    {
+        public static CultureInfo ResolveFormat(CultureInfo cultureInfo)
+        {
+            SetNumberFormatInfo(cultureInfo.NumberFormat);
+            SetCalenar(cultureInfo);
+
+            return cultureInfo;
+        }
+
+        private static void SetCalenar(CultureInfo cultureInfo)
+        {
+            var calendar = new RightToLeftCultureCalendar();
+
+            var fieldInfo = cultureInfo.GetType().GetField("_calendar", BindingFlags.NonPublic | BindingFlags.Instance);
+            if (fieldInfo != null)
+            {
+                fieldInfo.SetValue(cultureInfo, calendar);
+            }
+
+            var info = cultureInfo.DateTimeFormat.GetType().GetField("calendar", BindingFlags.NonPublic | BindingFlags.Instance);
+            if (info != null)
+            {
+                info.SetValue(cultureInfo.DateTimeFormat, calendar);
+            }
+        }
+
+        public static void SetNumberFormatInfo(NumberFormatInfo persianNumberFormatInfo)
+        {
+            persianNumberFormatInfo.NumberDecimalSeparator = ".";
+            persianNumberFormatInfo.DigitSubstitution = DigitShapes.NativeNational;
+            persianNumberFormatInfo.NumberNegativePattern = 0;
+            persianNumberFormatInfo.NegativeSign = "-";
+        }
+    }
+}