/// <summary>
/// "Flattens" component recurrences that occur in the given date into a series of equivalent objects.
/// </summary>
/// <param name="dt">The date on which the event recurs</param>
/// <returns>A list of <see cref="Event"/>s if they could be flattened, null otherwise.</returns>
virtual public IEnumerable <RecurringComponent> FlattenRecurrencesOn(Date_Time dt)
{
// Create a dummy iCalendar to hold our flattened component
iCalendar iCal = new iCalendar();
if (Start.TZID != null)
{
// Place the time zone into our dummy iCalendar
DDay.iCal.Components.TimeZone tz = iCalendar.GetTimeZone(Start.TZID);
if (tz != null)
{
tz.Copy(iCal);
}
}
// Iterate through each period to find all occurrences on this date
foreach (Period p in Periods)
{
// Check to see if this occurrence is on the same date
if (p.StartTime.Date.Equals(dt.Date))
{
// Copy the component into the dummy iCalendar
RecurringComponent rc = (RecurringComponent)Copy(iCal);
rc.Start = p.StartTime.Copy();
rc.RRule = new Recur[0];
rc.RDate = new RDate[0];
rc.ExRule = new Recur[0];
rc.ExDate = new RDate[0];
yield return(rc);
}
}
}
/// <summary>
/// Retrieves the <see cref="DDay.iCal.Components.TimeZone" /> object for the specified
/// <see cref="TZID"/> (Time Zone Identifier).
/// </summary>
/// <param name="tzid">A valid <see cref="TZID"/> object, or a valid <see cref="TZID"/> string.</param>
/// <returns>A <see cref="TimeZone"/> object for the <see cref="TZID"/>.</returns>
public DDay.iCal.Components.TimeZone GetTimeZone(TZID tzid)
{
foreach (iCalendar iCal in this)
{
DDay.iCal.Components.TimeZone tz = iCal.GetTimeZone(tzid);
if (tz != null)
{
return(tz);
}
}
return(null);
}
public void TIMEZONE2()
{
//
// First, check against the VALUE parameter; it must be absent in DTSTART
//
iCalendar iCal = iCalendar.LoadFromFile(@"Calendars\Serialization\TIMEZONE2.ics");
DDay.iCal.Components.TimeZone tz = iCal.TimeZones[0];
foreach (DDay.iCal.Components.TimeZone.TimeZoneInfo tzi in tz.TimeZoneInfos)
{
tzi.Start = new Date_Time(2007, 1, 1);
}
iCalendarSerializer serializer = new iCalendarSerializer(iCal);
serializer.Serialize(@"Calendars\Serialization\Temp\TIMEZONE2.ics");
iCal = iCalendar.LoadFromFile(@"Calendars\Serialization\Temp\TIMEZONE2.ics");
tz = iCal.TimeZones[0];
foreach (DDay.iCal.Components.TimeZone.TimeZoneInfo tzi in tz.TimeZoneInfos)
{
ContentLine cl = tzi.Start.ContentLine;
Assert.IsFalse(cl.Parameters.ContainsKey("VALUE"), "\"DTSTART\" property MUST be represented in local time in timezones");
}
//
// Next, check against UTC time; DTSTART must be presented in local time
//
iCal = iCalendar.LoadFromFile(@"Calendars\Serialization\TIMEZONE2.ics");
tz = iCal.TimeZones[0];
foreach (DDay.iCal.Components.TimeZone.TimeZoneInfo tzi in tz.TimeZoneInfos)
{
tzi.Start = DateTime.Now.ToUniversalTime();
}
serializer = new iCalendarSerializer(iCal);
serializer.Serialize(@"Calendars\Serialization\Temp\TIMEZONE2.ics");
iCal = iCalendar.LoadFromFile(@"Calendars\Serialization\Temp\TIMEZONE2.ics");
tz = iCal.TimeZones[0];
foreach (DDay.iCal.Components.TimeZone.TimeZoneInfo tzi in tz.TimeZoneInfos)
{
ContentLine cl = tzi.Start.ContentLine;
Assert.IsFalse(cl.Parameters.ContainsKey("VALUE"), "\"DTSTART\" property MUST be represented in local time in timezones");
}
}
public void TIMEZONE1()
{
iCalendar iCal = iCalendar.LoadFromFile(@"Calendars\Serialization\TIMEZONE1.ics");
DDay.iCal.Components.TimeZone tz = iCal.TimeZones[0];
tz.Last_Modified = new Date_Time(2007, 1, 1);
iCalendarSerializer serializer = new iCalendarSerializer(iCal);
serializer.Serialize(@"Calendars\Serialization\Temp\TIMEZONE1.ics");
iCal = iCalendar.LoadFromFile(@"Calendars\Serialization\Temp\TIMEZONE1.ics");
tz = iCal.TimeZones[0];
ContentLine cl = tz.Last_Modified.ContentLine;
Assert.IsFalse(cl.Parameters.ContainsKey("VALUE"), "The \"VALUE\" parameter is not allowed on \"LAST-MODIFIED\"");
}
/// <summary>
/// "Flattens" component recurrences into a series of equivalent objects.
/// </summary>
/// <returns>A list of <see cref="Event"/>s if they could be flattened, null otherwise.</returns>
virtual public IEnumerable <RecurringComponent> FlattenRecurrences()
{
// Create a dummy iCalendar to hold our flattened component
iCalendar iCal = new iCalendar();
if (Start.TZID != null)
{
// Place the time zone into our dummy iCalendar
DDay.iCal.Components.TimeZone tz = iCalendar.GetTimeZone(Start.TZID);
if (tz != null)
{
tz.Copy(iCal);
}
}
// Iterate through each period to find all occurrences on this date
foreach (Period p in Periods)
{
yield return(FlattenInstance(iCal, p));
}
}
