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feat: implement single date selector.

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This commit is contained in:
rabbitism
2024-06-20 16:21:36 +08:00
parent ddb6900943
commit e6b23312ba
8 changed files with 422 additions and 31 deletions
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52
src/Ursa/Controls/DateTimePicker/CalendarView.cs
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@@ -1,4 +1,5 @@
using System.Globalization;
using System.Runtime.CompilerServices;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Metadata;
@@ -60,6 +61,10 @@ public class CalendarView : TemplatedControl
private Button? _yearButton;
private Grid? _yearGrid;
private DateTime? _start;
private DateTime? _end;
private DateTime? _previewStart;
private DateTime? _previewEnd;
static CalendarView()
{
@@ -329,6 +334,7 @@ public class CalendarView : TemplatedControl
}
FadeOutDayButtons();
MarkDates(_start, _end, _previewStart, _previewEnd);
}
private void UpdateYearButtons()
@@ -414,7 +420,10 @@ public class CalendarView : TemplatedControl
if (e.Date.Month != ContextCalendar.Month)
{
ContextCalendar.Month = e.Date.Month;
ContextCalendar.Year = e.Date.Year;
ContextCalendar.Day = 1;
UpdateDayButtons();
UpdateHeaderButtons();
}
OnDateSelected?.Invoke(sender, e);
@@ -535,4 +544,47 @@ public class CalendarView : TemplatedControl
IsEnabledProperty.SetValue(canForward, _previousButton, _fastPreviousButton);
IsEnabledProperty.SetValue(canNext, _nextButton, _fastNextButton);
}
public void MarkDates(DateTime? startDate = null, DateTime? endDate = null, DateTime? previewStartDate = null, DateTime? previewEndDate = null)
{
_start = startDate;
_end = endDate;
_previewStart = previewStartDate;
_previewEnd = previewEndDate;
if (_monthGrid?.Children is null) return;
DateTime start = startDate ?? DateTime.MaxValue;
DateTime end = endDate ?? DateTime.MinValue;
DateTime previewStart = previewStartDate ?? DateTime.MaxValue;
DateTime previewEnd = previewEndDate ?? DateTime.MinValue;
DateTime rangeStart = DateTimeHelper.Min(start, previewStart);
DateTime rangeEnd = DateTimeHelper.Max(end, previewEnd);
foreach (var child in _monthGrid.Children)
{
if (child is not CalendarDayButton { DataContext: DateTime d } button) continue;
button.ResetSelection();
if(d.Month != ContextCalendar.Month) continue;
if (d < rangeEnd && d > rangeStart) button.IsInRange = true;
if (d == previewStart) button.IsPreviewStartDate = true;
if (d == previewEnd) button.IsPreviewEndDate = true;
if (d == startDate) button.IsStartDate = true;
if (d == endDate) button.IsEndDate = true;
if (d == startDate && d == endDate) button.IsSelected = true;
}
}
public void ClearSelection()
{
_start = null;
_end = null;
_previewStart = null;
_previewEnd = null;
if (_monthGrid?.Children is null) return;
foreach (var child in _monthGrid.Children)
{
if (child is not CalendarDayButton button) continue;
button.IsStartDate = false;
button.IsEndDate = false;
button.IsInRange = false;
}
}
}