private void UpdateComponents()
{
var culture = Language.GetSpecificCulture();
var dateTimeFormatInfo = culture.GetDateFormat();
var minDateTime = dateTimeFormatInfo.Calendar.MinSupportedDateTime;
var maxDateTime = dateTimeFormatInfo.Calendar.MaxSupportedDateTime;
if (DisplayDate < minDateTime)
{
SetDisplayDateOfCalendar(minDateTime);
// return to avoid second formatting of the same value
return;
}
if (DisplayDate > maxDateTime)
{
SetDisplayDateOfCalendar(maxDateTime);
// return to avoid second formatting of the same value
return;
}
var calendarFormatInfo = CalendarFormatInfo.FromCultureInfo(culture);
var displayDate = DisplayDate;
ComponentOneContent = FormatDate(calendarFormatInfo.ComponentOnePattern, displayDate, culture);
ComponentTwoContent = FormatDate(calendarFormatInfo.ComponentTwoPattern, displayDate, culture);
ComponentThreeContent = FormatDate(calendarFormatInfo.ComponentThreePattern, displayDate, culture);
}
/// <summary>
/// Creates a <see cref="CalendarFormatInfo"/> from the <see cref="CultureInfo"/>.
/// </summary>
/// <param name="cultureInfo">A <see cref="CultureInfo"/> that specifies the culture to get the date format.</param>
/// <returns>The <see cref="CalendarFormatInfo"/> object that this method creates.</returns>
/// <exception cref="ArgumentNullException"><paramref name="cultureInfo"/> is null.</exception>
public static CalendarFormatInfo FromCultureInfo(CultureInfo cultureInfo)
{
if (cultureInfo is null)
{
throw new ArgumentNullException(nameof(cultureInfo));
}
CalendarFormatInfo calendarInfo;
if (_formatInfoCache.TryGetValue(cultureInfo.Name, out calendarInfo))
{
return(calendarInfo);
}
var dateTimeFormat = cultureInfo.DateTimeFormat;
string yearPattern;
if (!_cultureYearPatterns.TryGetValue(cultureInfo.Name, out yearPattern))
{
yearPattern = "yyyy";
}
DayOfWeekStyle dayOfWeekStyle;
if (!_cultureDayOfWeekStyles.TryGetValue(cultureInfo.Name, out dayOfWeekStyle))
{
dayOfWeekStyle = DayOfWeekStyle.Parse(dateTimeFormat.LongDatePattern);
}
var monthDayPattern = dateTimeFormat.MonthDayPattern.Replace("MMMM", "MMM");
if (dayOfWeekStyle.IsFirst)
{
calendarInfo = new CalendarFormatInfo(dateTimeFormat.YearMonthPattern,
monthDayPattern,
dayOfWeekStyle.Pattern + dayOfWeekStyle.Separator,
yearPattern);
}
else
{
calendarInfo = new CalendarFormatInfo(dateTimeFormat.YearMonthPattern,
dayOfWeekStyle.Pattern,
monthDayPattern + dayOfWeekStyle.Separator,
yearPattern);
}
_formatInfoCache[cultureInfo.Name] = calendarInfo;
return(calendarInfo);
}