feat: wip.

src/Ursa/Controls/DateTimePicker/DatePickerBase.cs

@@ -0,0 +1,46 @@
+using Avalonia;
+using Avalonia.Collections;
+using Avalonia.Controls.Primitives;
+using Avalonia.Controls.Templates;
+
+namespace Ursa.Controls;
+
+public class DatePickerBase: TemplatedControl
+{
+    public static readonly StyledProperty<AvaloniaList<DateRange>> BlackoutDatesProperty =
+        AvaloniaProperty.Register<DatePickerBase, AvaloniaList<DateRange>>(nameof(BlackoutDates));
+
+    public AvaloniaList<DateRange> BlackoutDates
+    {
+        get => GetValue(BlackoutDatesProperty);
+        set => SetValue(BlackoutDatesProperty, value);
+    }
+
+    public static readonly StyledProperty<IDateSelector?> BlackoutDateRuleProperty =
+        AvaloniaProperty.Register<DatePickerBase, IDateSelector?>(nameof(BlackoutDateRule));
+
+    public IDateSelector? BlackoutDateRule
+    {
+        get => GetValue(BlackoutDateRuleProperty);
+        set => SetValue(BlackoutDateRuleProperty, value);
+    }
+
+    public static readonly StyledProperty<DayOfWeek> FirstDayOfWeekProperty =
+        AvaloniaProperty.Register<DatePickerBase, DayOfWeek>(
+            nameof(FirstDayOfWeek), DateTimeHelper.GetCurrentDateTimeFormatInfo().FirstDayOfWeek);
+
+    public DayOfWeek FirstDayOfWeek
+    {
+        get => GetValue(FirstDayOfWeekProperty);
+        set => SetValue(FirstDayOfWeekProperty, value);
+    }
+    
+    public static readonly StyledProperty<bool> IsTodayHighlightedProperty =
+        AvaloniaProperty.Register<DatePickerBase, bool>(nameof(IsTodayHighlighted), true);
+    public bool IsTodayHighlighted
+    {
+        get => GetValue(IsTodayHighlightedProperty);
+        set => SetValue(IsTodayHighlightedProperty, value);
+    }
+    
+}