Files
SpineViewer/SpineViewer/Spine/SpineView/SpineSkinProperty.cs
2025-04-19 12:05:04 +08:00

95 lines
4.3 KiB
C#

using SpineViewer.Spine;
using SpineViewer.Utils;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SpineViewer.Spine.SpineView
{
/// <summary>
/// 皮肤动态类型包装类, 用于提供对 Spine 皮肤的管理能力
/// </summary>
/// <param name="spine">关联的 Spine 对象</param>
public class SpineSkinProperty(SpineObject spine) : ICustomTypeDescriptor
{
[Browsable(false)]
public SpineObject Spine { get; } = spine;
/// <summary>
/// 在属性面板悬停可以显示已加载的皮肤列表
/// </summary>
public override string ToString() => $"[{string.Join(", ", Spine.SkinNames.Where(Spine.GetSkinStatus))}]";
public override bool Equals(object? obj)
{
if (obj is SpineSkinProperty prop) return ToString() == prop.ToString();
return base.Equals(obj);
}
public override int GetHashCode() => HashCode.Combine(typeof(SpineSkinProperty).FullName.GetHashCode(), ToString().GetHashCode());
#region ICustomTypeDescriptor
// XXX: 必须实现 ICustomTypeDescriptor 接口, 不能继承 CustomTypeDescriptor, 似乎继承下来的东西会有问题, 导致某些调用不正确
private static readonly Dictionary<string, SkinPropertyDescriptor> pdCache = [];
public AttributeCollection GetAttributes() => TypeDescriptor.GetAttributes(this, true);
public string? GetClassName() => TypeDescriptor.GetClassName(this, true);
public string? GetComponentName() => TypeDescriptor.GetComponentName(this, true);
public TypeConverter? GetConverter() => TypeDescriptor.GetConverter(this, true);
public EventDescriptor? GetDefaultEvent() => TypeDescriptor.GetDefaultEvent(this, true);
public PropertyDescriptor? GetDefaultProperty() => TypeDescriptor.GetDefaultProperty(this, true);
public object? GetEditor(Type editorBaseType) => TypeDescriptor.GetEditor(this, editorBaseType, true);
public EventDescriptorCollection GetEvents() => TypeDescriptor.GetEvents(this, true);
public EventDescriptorCollection GetEvents(Attribute[]? attributes) => TypeDescriptor.GetEvents(this, attributes, true);
public object? GetPropertyOwner(PropertyDescriptor? pd) => this;
public PropertyDescriptorCollection GetProperties() => GetProperties(null);
public PropertyDescriptorCollection GetProperties(Attribute[]? attributes)
{
var props = new PropertyDescriptorCollection(TypeDescriptor.GetProperties(this, attributes, true).Cast<PropertyDescriptor>().ToArray());
foreach (var name in Spine.SkinNames)
{
if (!pdCache.TryGetValue(name, out var pd))
pdCache[name] = pd = new SkinPropertyDescriptor(name, [new DisplayNameAttribute(name)]);
props.Add(pd);
}
return props;
}
/// <summary>
/// 皮肤属性描述符, 实现对皮肤的加载和卸载, <c><see cref="SpineSkinProperty"/>.{name}</c>
/// </summary>
private class SkinPropertyDescriptor(string name, Attribute[]? attributes) : PropertyDescriptor(name, attributes)
{
public override Type ComponentType => typeof(SpineSkinProperty);
public override bool IsReadOnly => Name == "default";
public override Type PropertyType => typeof(bool);
public override bool CanResetValue(object component) => false;
public override void ResetValue(object component) { }
public override bool ShouldSerializeValue(object component) => false;
public override object? GetValue(object? component)
{
if (component is SpineSkinProperty prop)
return prop.Spine.GetSkinStatus(Name);
return null;
}
public override void SetValue(object? component, object? value)
{
if (component is SpineSkinProperty prop)
{
if (value is bool s)
prop.Spine.SetSkinStatus(Name, s);
}
}
}
#endregion
}
}