103 lines
4.7 KiB
C#
103 lines
4.7 KiB
C#
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using System;
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using System.ComponentModel;
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using System.Globalization;
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using PCL.Core.UI.Animation.Easings;
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namespace PCL.Core.UI.Converters;
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public class EasingConverter : TypeConverter
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{
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public override bool CanConvertFrom(ITypeDescriptorContext? context, Type sourceType) =>
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sourceType == typeof(string) || base.CanConvertFrom(context, sourceType);
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public override bool CanConvertTo(ITypeDescriptorContext? context, Type? destinationType) =>
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destinationType == typeof(string) || base.CanConvertTo(context, destinationType);
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public override object? ConvertFrom(ITypeDescriptorContext? context, CultureInfo? culture, object value)
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{
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if (value is string s)
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{
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return s switch
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{
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"BackEaseIn" => new BackEaseIn(),
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"BackEaseOut" => new BackEaseOut(),
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"BackEaseInOut" => new BackEaseInOut(),
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"BounceEaseIn" => new BounceEaseIn(),
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"BounceEaseOut" => new BounceEaseOut(),
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"BounceEaseInOut" => new BounceEaseInOut(),
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"CircularEaseIn" => new CircularEaseIn(),
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"CircularEaseOut" => new CircularEaseOut(),
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"CircularEaseInOut" => new CircularEaseInOut(),
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"CubicEaseIn" => new CubicEaseIn(),
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"CubicEaseOut" => new CubicEaseOut(),
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"CubicEaseInOut" => new CubicEaseInOut(),
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"ElasticEaseIn" => new ElasticEaseIn(),
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"ElasticEaseOut" => new ElasticEaseOut(),
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"ElasticEaseInOut" => new ElasticEaseInOut(),
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"ExponentialEaseIn" => new ExponentialEaseIn(),
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"ExponentialEaseOut" => new ExponentialEaseOut(),
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"ExponentialEaseInOut" => new ExponentialEaseInOut(),
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"LinearEasing" => new LinearEasing(),
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"QuadEaseIn" => new QuadEaseIn(),
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"QuadEaseOut" => new QuadEaseOut(),
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"QuadEaseInOut" => new QuadEaseInOut(),
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"QuarticEaseIn" => new QuarticEaseIn(),
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"QuarticEaseOut" => new QuarticEaseOut(),
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"QuarticEaseInOut" => new QuarticEaseInOut(),
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"QuinticEaseIn" => new QuinticEaseIn(),
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"QuinticEaseOut" => new QuinticEaseOut(),
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"QuinticEaseInOut" => new QuinticEaseInOut(),
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"SineEaseIn" => new SineEaseIn(),
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"SineEaseOut" => new SineEaseOut(),
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"SineEaseInOut" => new SineEaseInOut(),
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_ => throw new NotSupportedException($"不支持的缓动: {s}")
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};
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}
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return base.ConvertFrom(context, culture, value);
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}
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public override object? ConvertTo(ITypeDescriptorContext? context, CultureInfo? culture, object? value, Type destinationType)
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{
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if (destinationType == typeof(string) && value is IEasing easing)
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{
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return easing switch
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{
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BackEaseIn => "BackEaseIn",
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BackEaseOut => "BackEaseOut",
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BackEaseInOut => "BackEaseInOut",
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BounceEaseIn => "BounceEaseIn",
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BounceEaseOut => "BounceEaseOut",
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BounceEaseInOut => "BounceEaseInOut",
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CircularEaseIn => "CircularEaseIn",
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CircularEaseOut => "CircularEaseOut",
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CircularEaseInOut => "CircularEaseInOut",
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CubicEaseIn => "CubicEaseIn",
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CubicEaseOut => "CubicEaseOut",
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CubicEaseInOut => "CubicEaseInOut",
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ElasticEaseIn => "ElasticEaseIn",
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ElasticEaseOut => "ElasticEaseOut",
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ElasticEaseInOut => "ElasticEaseInOut",
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ExponentialEaseIn => "ExponentialEaseIn",
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ExponentialEaseOut => "ExponentialEaseOut",
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ExponentialEaseInOut => "ExponentialEaseInOut",
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LinearEasing => "LinearEasing",
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QuadEaseIn => "QuadEaseIn",
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QuadEaseOut => "QuadEaseOut",
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QuadEaseInOut => "QuadEaseInOut",
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QuarticEaseIn => "QuarticEaseIn",
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QuarticEaseOut => "QuarticEaseOut",
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QuarticEaseInOut => "QuarticEaseInOut",
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QuinticEaseIn => "QuinticEaseIn",
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QuinticEaseOut => "QuinticEaseOut",
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QuinticEaseInOut => "QuinticEaseInOut",
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SineEaseIn => "SineEaseIn",
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SineEaseOut => "SineEaseOut",
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SineEaseInOut => "SineEaseInOut",
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_ => throw new NotSupportedException($"不支持的缓动: {easing.GetType().Name}")
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};
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}
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return base.ConvertTo(context, culture, value, destinationType);
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}
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}
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