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@ -1,7 +1,6 @@ |
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using Avalonia.Controls.Metadata; |
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using Avalonia.Controls.Primitives; |
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using Avalonia.Controls.Shapes; |
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using Avalonia.Controls.Templates; |
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using Avalonia.Data; |
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using Avalonia.Interactivity; |
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using Avalonia.Layout; |
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@ -29,65 +28,56 @@ namespace Avalonia.Controls |
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/// <summary>
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/// Define the <see cref="DayFormat"/> Property
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/// </summary>
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public static readonly DirectProperty<DatePicker, string> DayFormatProperty = |
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AvaloniaProperty.RegisterDirect<DatePicker, string>(nameof(DayFormat), |
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x => x.DayFormat, (x, v) => x.DayFormat = v); |
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public static readonly StyledProperty<string> DayFormatProperty = |
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AvaloniaProperty.Register<DatePicker, string>(nameof(DayFormat), "%d"); |
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/// <summary>
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/// Defines the <see cref="DayVisible"/> Property
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/// </summary>
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public static readonly DirectProperty<DatePicker, bool> DayVisibleProperty = |
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AvaloniaProperty.RegisterDirect<DatePicker, bool>(nameof(DayVisible), |
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x => x.DayVisible, (x, v) => x.DayVisible = v); |
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public static readonly StyledProperty<bool> DayVisibleProperty = |
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AvaloniaProperty.Register<DatePicker, bool>(nameof(DayVisible), true); |
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/// <summary>
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/// Defines the <see cref="MaxYear"/> Property
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/// </summary>
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public static readonly DirectProperty<DatePicker, DateTimeOffset> MaxYearProperty = |
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AvaloniaProperty.RegisterDirect<DatePicker, DateTimeOffset>(nameof(MaxYear), |
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x => x.MaxYear, (x, v) => x.MaxYear = v); |
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public static readonly StyledProperty<DateTimeOffset> MaxYearProperty = |
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AvaloniaProperty.Register<DatePicker, DateTimeOffset>(nameof(MaxYear), DateTimeOffset.MaxValue, coerce: CoerceMaxYear); |
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/// <summary>
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/// Defines the <see cref="MinYear"/> Property
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/// </summary>
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public static readonly DirectProperty<DatePicker, DateTimeOffset> MinYearProperty = |
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AvaloniaProperty.RegisterDirect<DatePicker, DateTimeOffset>(nameof(MinYear), |
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x => x.MinYear, (x, v) => x.MinYear = v); |
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public static readonly StyledProperty<DateTimeOffset> MinYearProperty = |
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AvaloniaProperty.Register<DatePicker, DateTimeOffset>(nameof(MinYear), DateTimeOffset.MinValue, coerce: CoerceMinYear); |
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/// <summary>
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/// Defines the <see cref="MonthFormat"/> Property
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/// </summary>
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public static readonly DirectProperty<DatePicker, string> MonthFormatProperty = |
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AvaloniaProperty.RegisterDirect<DatePicker, string>(nameof(MonthFormat), |
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x => x.MonthFormat, (x, v) => x.MonthFormat = v); |
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public static readonly StyledProperty<string> MonthFormatProperty = |
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AvaloniaProperty.Register<DatePicker, string>(nameof(MonthFormat), "MMMM"); |
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/// <summary>
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/// Defines the <see cref="MonthVisible"/> Property
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/// </summary>
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public static readonly DirectProperty<DatePicker, bool> MonthVisibleProperty = |
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AvaloniaProperty.RegisterDirect<DatePicker, bool>(nameof(MonthVisible), |
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x => x.MonthVisible, (x, v) => x.MonthVisible = v); |
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public static readonly StyledProperty<bool> MonthVisibleProperty = |
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AvaloniaProperty.Register<DatePicker, bool>(nameof(MonthVisible), true); |
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/// <summary>
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/// Defines the <see cref="YearFormat"/> Property
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/// </summary>
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public static readonly DirectProperty<DatePicker, string> YearFormatProperty = |
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AvaloniaProperty.RegisterDirect<DatePicker, string>(nameof(YearFormat), |
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x => x.YearFormat, (x, v) => x.YearFormat = v); |
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public static readonly StyledProperty<string> YearFormatProperty = |
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AvaloniaProperty.Register<DatePicker, string>(nameof(YearFormat), "yyyy"); |
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/// <summary>
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/// Defines the <see cref="YearVisible"/> Property
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/// </summary>
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public static readonly DirectProperty<DatePicker, bool> YearVisibleProperty = |
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AvaloniaProperty.RegisterDirect<DatePicker, bool>(nameof(YearVisible), |
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x => x.YearVisible, (x, v) => x.YearVisible = v); |
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public static readonly StyledProperty<bool> YearVisibleProperty = |
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AvaloniaProperty.Register<DatePicker, bool>(nameof(YearVisible), true); |
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/// <summary>
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/// Defines the <see cref="SelectedDate"/> Property
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/// </summary>
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public static readonly DirectProperty<DatePicker, DateTimeOffset?> SelectedDateProperty = |
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AvaloniaProperty.RegisterDirect<DatePicker, DateTimeOffset?>(nameof(SelectedDate), |
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x => x.SelectedDate, (x, v) => x.SelectedDate = v, |
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public static readonly StyledProperty<DateTimeOffset?> SelectedDateProperty = |
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AvaloniaProperty.Register<DatePicker, DateTimeOffset?>(nameof(SelectedDate), |
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defaultBindingMode: BindingMode.TwoWay); |
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// Template Items
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@ -103,28 +93,20 @@ namespace Avalonia.Controls |
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private bool _areControlsAvailable; |
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private string _dayFormat = "%d"; |
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private bool _dayVisible = true; |
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private DateTimeOffset _maxYear; |
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private DateTimeOffset _minYear; |
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private string _monthFormat = "MMMM"; |
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private bool _monthVisible = true; |
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private string _yearFormat = "yyyy"; |
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private bool _yearVisible = true; |
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private DateTimeOffset? _selectedDate; |
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public DatePicker() |
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{ |
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PseudoClasses.Set(":hasnodate", true); |
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var now = DateTimeOffset.Now; |
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_minYear = new DateTimeOffset(now.Date.Year - 100, 1, 1, 0, 0, 0, now.Offset); |
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_maxYear = new DateTimeOffset(now.Date.Year + 100, 12, 31, 0, 0, 0, now.Offset); |
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SetCurrentValue(MinYearProperty, new DateTimeOffset(now.Date.Year - 100, 1, 1, 0, 0, 0, now.Offset)); |
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SetCurrentValue(MaxYearProperty, new DateTimeOffset(now.Date.Year + 100, 12, 31, 0, 0, 0, now.Offset)); |
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} |
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private static void OnGridVisibilityChanged(DatePicker sender, AvaloniaPropertyChangedEventArgs e) => sender.SetGrid(); |
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public string DayFormat |
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{ |
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get => _dayFormat; |
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set => SetAndRaise(DayFormatProperty, ref _dayFormat, value); |
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get => GetValue(DayFormatProperty); |
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set => SetValue(DayFormatProperty, value); |
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} |
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/// <summary>
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@ -132,12 +114,8 @@ namespace Avalonia.Controls |
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/// </summary>
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public bool DayVisible |
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{ |
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get => _dayVisible; |
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set |
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{ |
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SetAndRaise(DayVisibleProperty, ref _dayVisible, value); |
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SetGrid(); |
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} |
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get => GetValue(DayVisibleProperty); |
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set => SetValue(DayVisibleProperty, value); |
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} |
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/// <summary>
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@ -145,16 +123,24 @@ namespace Avalonia.Controls |
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/// </summary>
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public DateTimeOffset MaxYear |
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{ |
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get => _maxYear; |
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set |
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{ |
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if (value < MinYear) |
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throw new InvalidOperationException("MaxDate cannot be less than MinDate"); |
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SetAndRaise(MaxYearProperty, ref _maxYear, value); |
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get => GetValue(MaxYearProperty); |
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set => SetValue(MaxYearProperty, value); |
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} |
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if (SelectedDate.HasValue && SelectedDate.Value > value) |
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SelectedDate = value; |
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private static DateTimeOffset CoerceMaxYear(AvaloniaObject sender, DateTimeOffset value) |
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{ |
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if (value < sender.GetValue(MinYearProperty)) |
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{ |
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throw new InvalidOperationException($"{MaxYearProperty.Name} cannot be less than {MinYearProperty.Name}"); |
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} |
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return value; |
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} |
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private void OnMaxYearChanged(DateTimeOffset? value) |
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{ |
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if (SelectedDate.HasValue && SelectedDate.Value > value) |
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SetCurrentValue(SelectedDateProperty, value); |
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} |
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/// <summary>
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@ -162,16 +148,24 @@ namespace Avalonia.Controls |
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/// </summary>
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public DateTimeOffset MinYear |
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{ |
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get => _minYear; |
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set |
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{ |
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if (value > MaxYear) |
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throw new InvalidOperationException("MinDate cannot be greater than MaxDate"); |
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SetAndRaise(MinYearProperty, ref _minYear, value); |
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get => GetValue(MinYearProperty); |
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set => SetValue(MinYearProperty, value); |
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} |
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if (SelectedDate.HasValue && SelectedDate.Value < value) |
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SelectedDate = value; |
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private static DateTimeOffset CoerceMinYear(AvaloniaObject sender, DateTimeOffset value) |
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{ |
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if (value > sender.GetValue(MaxYearProperty)) |
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{ |
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throw new InvalidOperationException($"{MinYearProperty.Name} cannot be greater than {MaxYearProperty.Name}"); |
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} |
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return value; |
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} |
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private void OnMinYearChanged(DateTimeOffset? value) |
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{ |
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if (SelectedDate.HasValue && SelectedDate.Value < value) |
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SetCurrentValue(SelectedDateProperty, value); |
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} |
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/// <summary>
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@ -179,8 +173,8 @@ namespace Avalonia.Controls |
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/// </summary>
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public string MonthFormat |
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{ |
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get => _monthFormat; |
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set => SetAndRaise(MonthFormatProperty, ref _monthFormat, value); |
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get => GetValue(MonthFormatProperty); |
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set => SetValue(MonthFormatProperty, value); |
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} |
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/// <summary>
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@ -188,12 +182,8 @@ namespace Avalonia.Controls |
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/// </summary>
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public bool MonthVisible |
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{ |
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get => _monthVisible; |
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set |
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{ |
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SetAndRaise(MonthVisibleProperty, ref _monthVisible, value); |
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SetGrid(); |
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} |
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get => GetValue(MonthVisibleProperty); |
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set => SetValue(MonthVisibleProperty, value); |
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} |
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/// <summary>
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@ -201,8 +191,8 @@ namespace Avalonia.Controls |
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/// </summary>
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public string YearFormat |
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{ |
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get => _yearFormat; |
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set => SetAndRaise(YearFormatProperty, ref _yearFormat, value); |
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get => GetValue(YearFormatProperty); |
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set => SetValue(YearFormatProperty, value); |
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} |
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/// <summary>
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@ -210,12 +200,8 @@ namespace Avalonia.Controls |
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/// </summary>
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public bool YearVisible |
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{ |
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get => _yearVisible; |
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set |
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{ |
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SetAndRaise(YearVisibleProperty, ref _yearVisible, value); |
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SetGrid(); |
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} |
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get => GetValue(YearVisibleProperty); |
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set => SetValue(YearVisibleProperty, value); |
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} |
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/// <summary>
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@ -223,14 +209,8 @@ namespace Avalonia.Controls |
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/// </summary>
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public DateTimeOffset? SelectedDate |
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{ |
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get => _selectedDate; |
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set |
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{ |
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var old = _selectedDate; |
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SetAndRaise(SelectedDateProperty, ref _selectedDate, value); |
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SetSelectedDateText(); |
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OnSelectedDateChanged(this, new DatePickerSelectedValueChangedEventArgs(old, value)); |
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} |
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get => GetValue(SelectedDateProperty); |
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set => SetValue(SelectedDateProperty, value); |
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} |
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/// <summary>
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@ -287,6 +267,31 @@ namespace Avalonia.Controls |
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} |
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} |
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protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change) |
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{ |
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base.OnPropertyChanged(change); |
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if (change.Property == DayVisibleProperty || change.Property == MonthVisibleProperty || change.Property == YearVisibleProperty) |
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{ |
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SetGrid(); |
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} |
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else if (change.Property == MaxYearProperty) |
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{ |
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OnMaxYearChanged(change.GetNewValue<DateTimeOffset>()); |
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} |
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else if (change.Property == MinYearProperty) |
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{ |
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OnMinYearChanged(change.GetNewValue<DateTimeOffset>()); |
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} |
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else if (change.Property == SelectedDateProperty) |
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{ |
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SetSelectedDateText(); |
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var (oldValue, newValue) = change.GetOldAndNewValue<DateTimeOffset?>(); |
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OnSelectedDateChanged(this, new DatePickerSelectedValueChangedEventArgs(oldValue, newValue)); |
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} |
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} |
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private void OnDismissPicker(object? sender, EventArgs e) |
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{ |
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_popup!.Close(); |
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@ -296,7 +301,7 @@ namespace Avalonia.Controls |
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private void OnConfirmed(object? sender, EventArgs e) |
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{ |
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_popup!.Close(); |
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SelectedDate = _presenter!.Date; |
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SetCurrentValue(SelectedDateProperty, _presenter!.Date); |
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} |
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private void SetGrid() |
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Benedikt Stebner
3 years ago
GitHub