private void LoadOrUpdateYears()
{
var interval = 7;
var date = new DateTime(SelectedDate.Year, 1, 1).AddYears(-interval);
for (int i = 0; i < 15; i++)
{
if (Years.Count <= i)
{
var CalendarXItem = new CalendarXModelItem()
{
Value = date,
DisplayName = date.Year.ToString(),
IsEnabled = IsMonthValidated(date),
IsChecked = date.Year == SelectedDate.Year,
};
Years.Add(CalendarXItem);
}
else
{
var CalendarXItem = Years[i];
CalendarXItem.Value = date;
CalendarXItem.DisplayName = date.Year.ToString();
CalendarXItem.IsEnabled = IsMonthValidated(date);
CalendarXItem.IsChecked = date.Year == SelectedDate.Year;
}
date = date.AddYears(1);
}
}
private void LoadOrUpdateMonths()
{
var date = new DateTime(SelectedDate.Year, 1, 1);
for (int i = 0; i < 12; i++)
{
if (Months.Count <= i)
{
var CalendarXItem = new CalendarXModelItem()
{
Value = date,
DisplayName = CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(date.Month),
IsEnabled = IsMonthValidated(date),
IsChecked = (date.Year == SelectedDate.Year && date.Month == SelectedDate.Month),
};
Months.Add(CalendarXItem);
}
else
{
var CalendarXItem = Months[i];
CalendarXItem.Value = date;
CalendarXItem.DisplayName = CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(date.Month);
CalendarXItem.IsEnabled = IsMonthValidated(date);
CalendarXItem.IsChecked = (date.Year == SelectedDate.Year && date.Month == SelectedDate.Month);
}
date = date.AddMonths(1);
}
}
private void LoadOrUpdateDays()
{
var firstDayDate = DateTimeUtils.GetFirstDayDate(SelectedDate);
var dayInMonth = DateTimeUtils.GetDayInMonth(firstDayDate);
var dayOfWeek = DateTimeUtils.GetDayOfWeek(firstDayDate.DayOfWeek);
var firstDayOfWeek = DateTimeUtils.GetDayOfWeek(FirstDayOfWeek);
int interval;
if (dayOfWeek < firstDayOfWeek)
{
interval = 7 - (firstDayOfWeek - dayOfWeek);
}
else
{
interval = dayOfWeek - firstDayOfWeek;
}
if (interval == 0)
{
interval = 7;
}
var date = firstDayDate.AddDays(-interval);
for (int i = 0; i < 42; i++)
{
if (Days.Count <= i)
{
var CalendarXItem = new CalendarXModelItem()
{
Value = date,
DisplayName = date.Day.ToString(),
IsEnabled = IsDateValidated(date),
IsChecked = date == SelectedDate,
IsNotCurrentMonth = i < interval ? true : (i >= (interval + dayInMonth)),
};
Days.Add(CalendarXItem);
}
else
{
var CalendarXItem = Days[i];
CalendarXItem.Value = date;
CalendarXItem.DisplayName = date.Day.ToString();
CalendarXItem.IsEnabled = IsDateValidated(date);
CalendarXItem.IsChecked = date == SelectedDate;
CalendarXItem.IsNotCurrentMonth = i < interval ? true : (i >= (interval + dayInMonth));
}
date = date.AddDays(1);
}
}
private void LoadWeeks()
{
var daysOfWeek = FirstDayOfWeek;
for (int i = 0; i < 7; i++)
{
if (Weeks.Count <= i)
{
var CalendarXItem = new CalendarXModelItem()
{
DisplayName = CultureInfo.CurrentCulture.DateTimeFormat.GetShortestDayName(daysOfWeek),
};
Weeks.Add(CalendarXItem);
}
else
{
var CalendarXItem = Weeks[i];
CalendarXItem.DisplayName = CultureInfo.CurrentCulture.DateTimeFormat.GetShortestDayName(daysOfWeek);
}
daysOfWeek = DateTimeUtils.GetNextDayOfWeek(daysOfWeek);
}
}
