synced calendars about blazordaterangepicker HOT 10 CLOSED

<style>
    .daterangepicker td.in-range {
        background-color: transparent;
    }

    .left td.end-date,
    .right td.start-date {
        background-color: transparent;
        color: black;
    }

    .start-date.end-date,
    .left td.start-date,
    .right td.end-date {
        background-color: #357ebd !important;
        color: white !important;
    }

    .left .end-date.active:hover,
    .right .start-date.active:hover {
        background-color: transparent;
        color: black;
    }
</style>

<DateRangePicker @ref="Picker" AutoAdjustCalendars="false" OnMonthChanged="MonthChanged" />

@code {
    DateRangePicker Picker { get; set; }
    DateTimeOffset? LeftMonth { get; set; }
    DateTimeOffset? RightMonth { get; set; }

    private void MonthChanged()
    {
        if (LeftMonth != Picker.LeftCalendar.Month)
        {
            var rightMonth = Picker.RightCalendar.GetType().GetProperty("Month");
            rightMonth.SetValue(Picker.RightCalendar, Picker.LeftCalendar.Month);
        }
        else if (RightMonth != Picker.RightCalendar.Month)
        {
            var leftMonth = Picker.LeftCalendar.GetType().GetProperty("Month");
            leftMonth.SetValue(Picker.LeftCalendar, Picker.RightCalendar.Month);
        }

        UpdateClickHandlers(Picker.RightCalendar, SideType.Right);
        UpdateClickHandlers(Picker.LeftCalendar, SideType.Left);

        LeftMonth = Picker.LeftCalendar.Month;
        RightMonth = Picker.RightCalendar.Month;
    }

    private void UpdateClickHandlers(CalendarType calendarType, SideType side)
    {
        var calendar = calendarType.GetType()
            .GetProperty("Calendar",
                System.Reflection.BindingFlags.NonPublic
                | System.Reflection.BindingFlags.Instance)
            .GetValue(calendarType);

        foreach (var row in (List<List<CalendarItem>>)calendar)
        {
            foreach (var day in row)
            {
                var dayClick = day.Click;
                day.Click = () =>
                {
                    if (side == SideType.Right && !Picker.TEndDate.HasValue)
                    {
                        if (day.Day > Picker.TStartDate) dayClick.Invoke();
                    }
                    else if (side == SideType.Left)
                    {
                        Picker.TStartDate = null;
                        Picker.TEndDate = null;
                        dayClick.Invoke();
                    }
                };
            }
        }
    }
}