public static List <List <CalendarDay> > FillCalendarDays(DateTime value, FirstWeekDays firstWeekDay)
{
var weeks = new List <List <CalendarDay> >();
var startDay = GetFirstCalendarDate(value, firstWeekDay);
var n = 0;
for (var w = 1; w <= 6; w++)
{
var weekDays = new List <CalendarDay>();
for (var d = 1; d <= 7; d++)
{
var currentDay = startDay.AddDays(n);
var calendarDay = new CalendarDay()
{
Date = currentDay
};
calendarDay.IsActive = calendarDay.Day == value.Day && calendarDay.Date.Month == value.Month;
calendarDay.IsAnotherMonth = calendarDay.Date.Month != value.Month;
weekDays.Add(calendarDay);
n++;
}
weeks.Add(weekDays);
}
return(weeks);
}
public static DateTime GetFirstCalendarDate(DateTime value, FirstWeekDays firstWeekDay)
{
var startDay = new DateTime(value.Year, value.Month, 1);
var shift = 0;
if (firstWeekDay == FirstWeekDays.Sunday)
{
shift = (int)startDay.DayOfWeek;
}
else
{
shift = startDay.DayOfWeek == DayOfWeek.Sunday ? 6 : ((int)startDay.DayOfWeek) - 1;
}
startDay = startDay.AddDays(-shift);
return(startDay);
}
