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feat: add color preview control.

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rabbitism
2023-02-13 00:14:56 +08:00
parent 888d115ca8
commit bf87bfeb90
6 changed files with 274 additions and 71 deletions
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91
demo/Semi.Avalonia.Demo/Controls/ColorDetailControl.cs Normal file
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using System.Globalization;
using Avalonia;
using Avalonia.Controls.Primitives;
using Avalonia.Input.Platform;
using Avalonia.Media;
using Avalonia.Media.Immutable;
namespace Semi.Avalonia.Demo.Controls;
public class ColorDetailControl: TemplatedControl
{
public const string KEY_ResourceKey = "ResourceKey";
public const string KEY_Hex = "Hex";
public const string KEY_Opacity = "Opacity";
public static readonly StyledProperty<string?> ResourceKeyProperty = AvaloniaProperty.Register<ColorDetailControl, string?>(
nameof(ResourceKey));
public string? ResourceKey
{
get => GetValue(ResourceKeyProperty);
set => SetValue(ResourceKeyProperty, value);
}
public static readonly StyledProperty<string?> ResourceNameProperty = AvaloniaProperty.Register<ColorDetailControl, string?>(
nameof(ResourceName));
public string? ResourceName
{
get => GetValue(ResourceNameProperty);
set => SetValue(ResourceNameProperty, value);
}
public static readonly DirectProperty<ColorDetailControl, string?> HexProperty = AvaloniaProperty.RegisterDirect<ColorDetailControl, string?>(
nameof(Hex), o => o.Hex);
private string? _hex;
public string? Hex
{
get => _hex;
private set => SetAndRaise(HexProperty, ref _hex, value);
}
public static readonly DirectProperty<ColorDetailControl, string?> OpacityNumberProperty = AvaloniaProperty.RegisterDirect<ColorDetailControl, string?>(
nameof(OpacityNumber), o => o.OpacityNumber);
private string? _opacityNumber;
public string? OpacityNumber
{
get => _opacityNumber;
private set => SetAndRaise(OpacityNumberProperty, ref _opacityNumber, value);
}
static ColorDetailControl()
{
BackgroundProperty.Changed.AddClassHandler<ColorDetailControl>((o, e) => o.OnBackgroundChanged(e));
}
private void OnBackgroundChanged(AvaloniaPropertyChangedEventArgs args)
{
var color = args.GetNewValue<IBrush>();
if (color is ISolidColorBrush b)
{
Hex = b.Color.ToString().ToUpperInvariant();
OpacityNumber = b.Opacity.ToString(CultureInfo.InvariantCulture);
}
}
public async void Copy(object o)
{
string? text = null;
if (o is string s)
{
switch (s)
{
case KEY_ResourceKey: text = ResourceKey;
break;
case KEY_Hex: text = Hex;
break;
case KEY_Opacity: text = OpacityNumber;
break;
default: text = string.Empty; break;
}
}
if (Application.Current is { Clipboard: { } c })
{
await c.SetTextAsync(text??string.Empty);
}
}
}