static private void PopulateiCalTimeZoneInfo(ITimeZoneInfo tzi, System.TimeZoneInfo.TransitionTime transition, int year)
{
var c = CultureInfo.CurrentCulture.Calendar;
var recurrence = new RecurrencePattern();
recurrence.Frequency = FrequencyType.Yearly;
recurrence.ByMonth.Add(transition.Month);
recurrence.ByHour.Add(transition.TimeOfDay.Hour);
recurrence.ByMinute.Add(transition.TimeOfDay.Minute);
if (transition.IsFixedDateRule)
{
recurrence.ByMonthDay.Add(transition.Day);
}
else
{
if (transition.Week != 5)
{
recurrence.ByDay.Add(new WeekDay(transition.DayOfWeek, transition.Week));
}
else
{
recurrence.ByDay.Add(new WeekDay(transition.DayOfWeek, -1));
}
}
tzi.RecurrenceRules.Add(recurrence);
}
static private void PopulateiCalTimeZoneInfo(ITimeZoneInfo tzi, System.TimeZoneInfo.TransitionTime transition, int year)
{
Calendar c = CultureInfo.CurrentCulture.Calendar;
RecurrencePattern recurrence = new RecurrencePattern();
recurrence.Frequency = FrequencyType.Yearly;
recurrence.ByMonth.Add(transition.Month);
recurrence.ByHour.Add(transition.TimeOfDay.Hour);
recurrence.ByMinute.Add(transition.TimeOfDay.Minute);
if (transition.IsFixedDateRule)
{
recurrence.ByMonthDay.Add(transition.Day);
}
else
{
recurrence.ByDay.Add(new WeekDay(transition.DayOfWeek));
int daysInMonth = c.GetDaysInMonth(year, transition.Month);
int offset = (transition.Week * 7) - 7;
if (offset + 7 > daysInMonth)
{
offset = daysInMonth - 7;
}
// Add the possible days of the month this could occur.
for (int i = 1; i <= 7; i++)
{
recurrence.ByMonthDay.Add(i + offset + (int)transition.DayOfWeek);
}
}
tzi.RecurrenceRules.Add(recurrence);
}
static private void PopulateiCalTimeZoneInfo(ITimeZoneInfo tzi, System.TimeZoneInfo.TransitionTime transition, int year)
{
Calendar c = CultureInfo.CurrentCulture.Calendar;
RecurrencePattern recurrence = new RecurrencePattern();
recurrence.Frequency = FrequencyType.Yearly;
recurrence.ByMonth.Add(transition.Month);
recurrence.ByHour.Add(transition.TimeOfDay.Hour);
recurrence.ByMinute.Add(transition.TimeOfDay.Minute);
if (transition.IsFixedDateRule)
{
recurrence.ByMonthDay.Add(transition.Day);
}
else
{
recurrence.ByDay.Add(new WeekDay(transition.DayOfWeek));
int daysInMonth = c.GetDaysInMonth(year, transition.Month);
int offset = (transition.Week * 7) - 7;
if (offset + 7 > daysInMonth)
offset = daysInMonth - 7;
// Add the possible days of the month this could occur.
for (int i = 1; i <= 7; i++)
recurrence.ByMonthDay.Add(i + offset + (int)transition.DayOfWeek);
}
tzi.RecurrenceRules.Add(recurrence);
}
public IDateTime ToTimeZone(TimeZoneObservance tzo)
{
ITimeZoneInfo tzi = tzo.TimeZoneInfo;
if (tzi != null)
{
return(new iCalDateTime(tzi.OffsetTo.ToLocal(UTC), tzo));
}
return(null);
}
private static void PopulateTimeZoneInfoRecurrenceDates(ITimeZoneInfo tzi, List <ZoneInterval> intervals, TimeSpan delta)
{
foreach (var interval in intervals)
{
var periodList = new PeriodList();
var time = interval.IsoLocalStart.ToDateTimeUnspecified();
var date = new CalDateTime(time).Add(delta) as CalDateTime;
if (date == null)
{
continue;
}
date.HasTime = true;
periodList.Add(date);
tzi.RecurrenceDates.Add(periodList);
}
}
/// <summary>
/// Populates the cal time zone info.
/// </summary>
/// <param name="tzi">The time zone info.</param>
/// <param name="transition">The transition.</param>
private static void PopulateiCalTimeZoneInfo(ITimeZoneInfo tzi, TimeZoneInfo.TransitionTime transition)
{
var recurrence = new RecurrencePattern
{
Frequency = FrequencyType.Yearly
};
recurrence.ByMonth.Add(transition.Month);
recurrence.ByHour.Add(transition.TimeOfDay.Hour);
recurrence.ByMinute.Add(transition.TimeOfDay.Minute);
if (transition.IsFixedDateRule)
{
recurrence.ByMonthDay.Add(transition.Day);
}
else
{
recurrence.ByDay.Add(transition.Week != 5 ? new WeekDay(transition.DayOfWeek, transition.Week) : new WeekDay(transition.DayOfWeek, -1));
}
tzi.RecurrenceRules.Add(recurrence);
}
public static IDateTime MatchTimeZone(IDateTime dt1, IDateTime dt2)
{
Debug.Assert(dt1 != null && dt2 != null);
// Associate the date/time with the first.
IDateTime copy = dt2.Copy <IDateTime>();
copy.AssociateWith(dt1);
// If the dt1 time does not occur in the same time zone as the
// dt2 time, then let's convert it so they can be used in the
// same context (i.e. evaluation).
if (dt1.TZID != null)
{
ITimeZoneInfo tzi = dt1.TimeZoneObservance != null ?
dt1.TimeZoneObservance.Value.TimeZoneInfo :
null;
if (!string.Equals(dt1.TZID, copy.TZID))
{
return((tzi != null) ? copy.ToTimeZone(tzi) : copy.ToTimeZone(dt1.TZID));
}
else
{
return(copy);
}
}
else if (dt1.IsUniversalTime)
{
// The first date/time is in UTC time, convert!
return(new iCalDateTime(copy.UTC));
}
else
{
// The first date/time is in local time, convert!
return(new iCalDateTime(copy.Local));
}
}
static private void PopulateiCalTimeZoneInfo(ITimeZoneInfo tzi, System.TimeZoneInfo.TransitionTime transition, int year)
{
Calendar c = CultureInfo.CurrentCulture.Calendar;
RecurrencePattern recurrence = new RecurrencePattern();
recurrence.Frequency = FrequencyType.Yearly;
recurrence.ByMonth.Add(transition.Month);
recurrence.ByHour.Add(transition.TimeOfDay.Hour);
recurrence.ByMinute.Add(transition.TimeOfDay.Minute);
if (transition.IsFixedDateRule)
{
recurrence.ByMonthDay.Add(transition.Day);
}
else
{
if( transition.Week != 5 )
recurrence.ByDay.Add(new WeekDay(transition.DayOfWeek, transition.Week ));
else
recurrence.ByDay.Add( new WeekDay( transition.DayOfWeek, -1 ) );
}
tzi.RecurrenceRules.Add(recurrence);
}
public TimeZoneInfoEvaluator(ITimeZoneInfo tzi) : base(tzi)
{
}
public TimeZoneObservance(IPeriod period, ITimeZoneInfo tzi) : this()
{
Period = period;
TimeZoneInfo = tzi;
}
public TimeZoneObservance(IPeriod period, ITimeZoneInfo tzi) : this()
{
Period = period;
TimeZoneInfo = tzi;
}
public TimeZoneInfoEvaluator(ITimeZoneInfo tzi) : base(tzi)
{
}
public IDateTime ToTimeZone(ITimeZoneInfo tzi)
{
return new iCalDateTime(tzi.OffsetTo.ToLocal(UTC));
}
private static void PopulateTimeZoneInfoRecurrenceRules(ITimeZoneInfo tzi, ZoneInterval interval)
{
var recurrence = new IntervalRecurrencePattern(interval);
tzi.RecurrenceRules.Add(recurrence);
}
public IDateTime ToTimeZone(ITimeZoneInfo tzi)
{
return(new iCalDateTime(tzi.OffsetTo.ToLocal(UTC)));
}
