feat: implement month syncing.
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@@ -32,6 +32,15 @@ public class DateRangePicker : DatePickerBase
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AvaloniaProperty.Register<DateRangePicker, DateTime?>(
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nameof(SelectedEndDate));
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public static readonly StyledProperty<bool> EnableMonthSyncProperty = AvaloniaProperty.Register<DateRangePicker, bool>(
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nameof(EnableMonthSync));
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public bool EnableMonthSync
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{
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get => GetValue(EnableMonthSyncProperty);
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set => SetValue(EnableMonthSyncProperty, value);
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}
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private Button? _button;
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private CalendarView? _endCalendar;
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private TextBox? _endTextBox;
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@@ -103,11 +112,13 @@ public class DateRangePicker : DatePickerBase
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{
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_startCalendar.DateSelected -= OnDateSelected;
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_startCalendar.DatePreviewed -= OnDatePreviewed;
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_startCalendar.ContextDateChanged -= OnContextDateChanged;
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}
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if (_endCalendar != null)
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{
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_endCalendar.DateSelected -= OnDateSelected;
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_endCalendar.DatePreviewed -= OnDatePreviewed;
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_endCalendar.ContextDateChanged -= OnContextDateChanged;
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}
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_button = e.NameScope.Find<Button>(PART_Button);
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_popup = e.NameScope.Find<Popup>(PART_Popup);
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@@ -125,11 +136,33 @@ public class DateRangePicker : DatePickerBase
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{
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_startCalendar.DateSelected += OnDateSelected;
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_startCalendar.DatePreviewed += OnDatePreviewed;
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_startCalendar.ContextDateChanged += OnContextDateChanged;
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}
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if (_endCalendar != null)
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{
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_endCalendar.DateSelected += OnDateSelected;
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_endCalendar.DatePreviewed += OnDatePreviewed;
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_endCalendar.ContextDateChanged += OnContextDateChanged;
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}
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}
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private void OnContextDateChanged(object sender, CalendarContext e)
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{
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if(sender == _startCalendar)
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{
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bool needsUpdate = EnableMonthSync || _startCalendar?.ContextDate.CompareTo(_endCalendar?.ContextDate) >= 0;
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if (needsUpdate)
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{
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_endCalendar?.SyncContextDate(_startCalendar?.ContextDate.NextMonth());
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}
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}
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else if(sender == _endCalendar)
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{
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bool needsUpdate = EnableMonthSync || _endCalendar?.ContextDate.CompareTo(_startCalendar?.ContextDate) <= 0;
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if (needsUpdate)
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{
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_startCalendar?.SyncContextDate(_endCalendar?.ContextDate.PreviousMonth());
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}
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}
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}
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@@ -296,7 +329,8 @@ public class DateRangePicker : DatePickerBase
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}
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if (_endCalendar is not null)
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{
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var date2 = SelectedEndDate ?? DateTime.Today;
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var date2 = SelectedEndDate ?? SelectedStartDate ?? DateTime.Today;
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if (SelectedEndDate is null) date2 = date2.AddMonths(1);
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_endCalendar.ContextDate = new CalendarContext(date2.Year, date2.Month);
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_endCalendar.UpdateDayButtons();
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_endCalendar?.MarkDates(SelectedStartDate, SelectedEndDate, _previewStart, _previewEnd);
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@@ -311,7 +345,7 @@ public class DateRangePicker : DatePickerBase
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{
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var date = SelectedStartDate ?? DateTime.Today;
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_startCalendar.ContextDate = new CalendarContext(date.Year, date.Month);
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// _startCalendar.UpdateDayButtons();
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_startCalendar.UpdateDayButtons();
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}
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if (_endCalendar is not null)
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@@ -319,7 +353,7 @@ public class DateRangePicker : DatePickerBase
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var date2 = SelectedStartDate ?? DateTime.Today;
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date2 = date2.AddMonths(1);
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_endCalendar.ContextDate = new CalendarContext(date2.Year, date2.Month);
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// _endCalendar.UpdateDayButtons();
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_endCalendar.UpdateDayButtons();
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}
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SetCurrentValue(IsDropdownOpenProperty, true);
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}
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