internal void Update(int year,
int month,
IEnumerable <DateTime> selectedDates)
{
if (!_isItemsInitialized)
{
CalendarXItemModels = new ObservableCollection <CalendarXItemModel>();
}
var currentDay = new DateTime(year, month, 1);
var dayOfWeek = currentDay.DayOfWeek;
var preDelta = dayOfWeek - FirstDayOfWeek;
preDelta = preDelta < 0 ? (preDelta + 7) : preDelta;
currentDay = currentDay.AddDays(-preDelta);
for (var i = 0; i < 42; i++)
{
CalendarXItemModel dayItem = null;
if (!_isItemsInitialized)
{
dayItem = new CalendarXItemModel();
CalendarXItemModels.Add(dayItem);
}
else
{
dayItem = CalendarXItemModels[i];
}
dayItem.Content = currentDay.Day;
if (IsDateAvailable(currentDay))
{
dayItem.IsEnabled = true;
dayItem.IsChecked = selectedDates == null ? false : selectedDates.Any(x => x.Equals(currentDay));
dayItem.Date = currentDay;
dayItem.IsDownplay = !(currentDay.Year == year && currentDay.Month == month);
dayItem.IsToday = IsTodayHighlighted ? IsToday(currentDay) : false;
dayItem.IsInRange = Mode == CalendarXMode.DateRange ?
IsInRange(currentDay, selectedDates?.ToArray())
: false;
}
else
{
dayItem.IsEnabled = false;
}
currentDay = currentDay.AddDays(1);
}
_isItemsInitialized = true;
}
internal void Update(int year, int month)
{
if (!_isItemsInitialized)
{
CalendarXItemModels = new ObservableCollection <CalendarXItemModel>();
}
var startYear = year - 7;
if (startYear < 1)
{
startYear = 1;
}
for (var i = 0; i < 15; i++)
{
var currentYear = new DateTime(startYear + i, month, 1);
CalendarXItemModel dayItem = null;
if (!_isItemsInitialized)
{
dayItem = new CalendarXItemModel();
CalendarXItemModels.Add(dayItem);
}
else
{
dayItem = CalendarXItemModels[i];
}
dayItem.Content = (startYear + i).ToString("D4");
if (IsDateAvailable(currentYear))
{
dayItem.IsEnabled = true;
dayItem.IsChecked = year == (startYear + i);
dayItem.Date = currentYear;
dayItem.IsDownplay = false;
dayItem.IsToday = false;
dayItem.IsInRange = false;
}
else
{
dayItem.IsEnabled = false;
}
}
_isItemsInitialized = true;
}
internal void Update(int year,
int month)
{
if (!_isItemsInitialized)
{
CalendarXItemModels = new ObservableCollection <CalendarXItemModel>();
}
for (var i = 0; i < 12; i++)
{
var currentMonth = new DateTime(year, i + 1, 1);
CalendarXItemModel dayItem = null;
if (!_isItemsInitialized)
{
dayItem = new CalendarXItemModel()
{
Content = CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(i + 1),
};
CalendarXItemModels.Add(dayItem);
}
else
{
dayItem = CalendarXItemModels[i];
}
if (IsDateAvailable(currentMonth))
{
dayItem.IsEnabled = true;
dayItem.IsChecked = month == i + 1;
dayItem.Date = currentMonth;
dayItem.IsDownplay = false;
dayItem.IsToday = false;
dayItem.IsInRange = false;
}
else
{
dayItem.IsEnabled = false;
}
}
_isItemsInitialized = true;
}
