Quintiq file version 2.0
#parent: #root
Method GetDateOfFirstRecurrence (
  Date startOfPeriod_i
) as Date id:Method_LibCal_dlgEvent_GetDateOfFirstRecurrence
{
  #keys: '[131094.0.1242728886]'
  Body:
  [*
    date          := Date::MinDate();
    earliestStart := startOfPeriod_i;
    timezone      := this.GetCalendarTimeZone();
    
    if( btnDaily.Pressed() )
    {
      date := LibCal_RecurrencePatternDaily::GetDateOfFirstRecurrence( startOfPeriod_i, earliestStart,
                                                                       [Number]edtEveryNrOfDays.Text(),
                                                                       ckbEveryWeekday.Checked() );
    }
    
    else if( btnWeekly.Pressed() )
    {
      date := LibCal_RecurrencePatternWeekly::GetDateOfFirstRecurrence( startOfPeriod_i, earliestStart, [Number]edtEveryNrOfWeeks.Text() );  
    }
    
    else if( btnMonthly.Pressed() )
    {
      // Make sure that the entered day of the month is valid.
      day := guard( [Number]edtMonthlyDay.Text(), 0 );
      
      if( day > 0 )
      {
        everyNrOfMonths := ifexpr( ckbMonthlyDay.Checked(), edtMonthlyDayEveryNrOfMonths.Text(),
                                                            edtMonthlyPatternEveryNrOfMonths.Text() );
                                                            
        date := LibCal_RecurrencePatternMonthly::GetDateOfFirstRecurrence( timezone, startOfPeriod_i, durStartTimeOfDay.Duration(), durEndTimeOfDay.Duration(), vhDuration.Data(), 
                                                                           earliestStart, [Number]everyNrOfMonths,
                                                                           ckbMonthlyDay.Checked(), day,
                                                                           ssMonthlyPatternWeekOfMonth.BoundValue(), ssMonthlyPatternDayOfWeek.BoundValue() );
      }                                                                    
    }
    
    else if( btnYearly.Pressed() )
    {
      month     := ifexpr( ckbYearlyDay.Checked(), ssYearlyMonth.BoundValue(), ssYearlyPatternMonth.BoundValue() );  
      nrOfMonth := this.GetNrOfMonth( month );
      
      date := LibCal_RecurrencePatternYearly::GetDateOfFirstRecurrence( timezone, startOfPeriod_i, durStartTimeOfDay.Duration(), durEndTimeOfDay.Duration(), vhDuration.Data(), 
                                                                        earliestStart, [Number]edtEveryNrOfYears.Text(),
                                                                        nrOfMonth, ckbYearlyDay.Checked(), [Number]ssYearlyDayOfMonth.BoundValue(),
                                                                        ssYearlyPatternWeekOfMonth.BoundValue(), ssYearlyPatternDayOfWeek.BoundValue() );
    }
    
    return date;
  *]
}