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feat: WIP.

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This commit is contained in:
Zhang Dian
2024-06-04 09:11:22 +08:00
parent f000c68597
commit 0a30d01b7d
4 changed files with 83 additions and 11 deletions
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11
src/Ursa/Controls/Rating/Rating.cs
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@@ -19,6 +19,7 @@ public class Rating : TemplatedControl
protected const string PC_Selected = ":selected";
private ItemsControl? _itemsControl;
private const double Tolerance = 0.0001;
public static readonly StyledProperty<double> ValueProperty =
AvaloniaProperty.Register<Rating, double>(nameof(Value), defaultBindingMode: BindingMode.TwoWay);
@@ -217,7 +218,13 @@ public class Rating : TemplatedControl
public void Select(RatingCharacter o)
{
var index = Items.IndexOf(o);
if (AllowClear && index == (int)Value - 1)
double newValue = index + 1;
if (o.IsHalf)
{
newValue = index + 0.5;
}
if (AllowClear && Math.Abs(Value - newValue) < Tolerance)
{
UpdateItems(-1);
SetCurrentValue(ValueProperty, 0);
@@ -225,7 +232,7 @@ public class Rating : TemplatedControl
else
{
UpdateItems(index);
SetCurrentValue(ValueProperty, index + 1);
SetCurrentValue(ValueProperty, newValue);
}
}

48
src/Ursa/Controls/Rating/RatingCharacter.cs
View File

@@ -6,12 +6,35 @@ using Avalonia.LogicalTree;
namespace Ursa.Controls;
[PseudoClasses(PC_Selected)]
[TemplatePart(PART_IconGlyph, typeof(PathIcon))]
[PseudoClasses(PC_Selected, PC_Half)]
[TemplatePart(PART_IconGlyph, typeof(Control))]
public class RatingCharacter : TemplatedControl
{
public const string PART_IconGlyph = "PART_IconGlyph";
protected const string PC_Selected = ":selected";
protected const string PC_Half = ":half";
private Control? _icon;
private bool _isHalf;
internal bool IsHalf
{
get => _isHalf;
set
{
if (_isHalf == value) return;
_isHalf = value;
if (_icon is null) return;
_icon.Width = value ? Bounds.Width / 2 : Bounds.Width;
}
}
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
_icon = e.NameScope.Find<Control>(PART_IconGlyph);
}
protected override void OnPointerEntered(PointerEventArgs e)
{
@@ -19,6 +42,27 @@ public class RatingCharacter : TemplatedControl
parent?.Preview(this);
}
protected override void OnPointerMoved(PointerEventArgs e)
{
var p = e.GetPosition(this);
var flag = p.X < Bounds.Width / 2;
PseudoClasses.Set(PC_Half, flag);
IsHalf = flag;
// if (flag)
// {
// _icon.Width = Bounds.Width / 2;
// }
// else
// {
// _icon.Width = Bounds.Width;
// }
}
// protected override void OnPointerExited(PointerEventArgs e)
// {
// // _icon.Width = Bounds.Width;
// }
protected override void OnPointerReleased(PointerReleasedEventArgs e)
{
var parent = this.GetLogicalAncestors().OfType<Rating>().FirstOrDefault();