88 lines
3.2 KiB
C#
88 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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namespace XericUI.ReflectionUIGenerator
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{
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/// <summary>
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/// 拆分属性标注
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/// 将一个复合类型（如 Vector2）拆分为多个子属性，分别绑定到不同的 UI 元素
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///
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/// 使用示例：
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/// [XuiavrgSplit("x", "最小")]
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/// [XuiavrgSplit("y", "最大")]
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/// public Vector2 speedRange = new Vector2(0, 100);
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///
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/// 上述代码创建一个编组 Entry，内部包含两个子元数据：
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/// speedRange.x 绑定到 UI 的"最小"输入，speedRange.y 绑定到"最大"输入
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/// 子绑定通过 XUIAvrgMDValue.BindingSlots 与预制体上的 UI 组件匹配
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/// </summary>
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[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = true)]
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public class XuiavrgSplitAttribute : Attribute, IXuiavrgAttribute
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{
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/// <summary>子属性路径（如 "x"、"y"），访问父值上的子字段/属性</summary>
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public readonly string PropertyPath;
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/// <summary>可选的显示标签</summary>
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public readonly string DisplayLabel;
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/// <summary>
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/// 创建拆分属性标记
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/// </summary>
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/// <param name="propertyPath">子属性路径（如 Vector2 的 "x" 或 "y"）</param>
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/// <param name="displayLabel">可选的显示标签（为空时自动推导）</param>
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public XuiavrgSplitAttribute(string propertyPath, string displayLabel = null)
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{
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PropertyPath = propertyPath;
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DisplayLabel = displayLabel;
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}
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public void BindMetaData(AvrgMemberMetaData metaData)
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{
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// 创建子元数据 — 纯元数据，不持有实例
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var subMetaData = new AvrgMemberMetaData
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{
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MemberName = $"{metaData.MemberName}.{PropertyPath}",
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PropertyPath = PropertyPath,
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LabelName = DisplayLabel ?? PropertyPath,
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Hide = metaData.Hide,
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Required = metaData.Required,
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FieldOrder = metaData.FieldOrder,
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};
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// 通过反射解析子属性的值类型
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if (metaData.ValueType != null)
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{
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var subType = ResolveSubPropertyType(metaData.ValueType, PropertyPath);
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if (subType != null)
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subMetaData.ValueType = subType;
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}
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// 添加到父元数据的子元数据列表
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if (metaData.SubMetaDataList == null)
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metaData.SubMetaDataList = new List<AvrgMemberMetaData>();
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metaData.SubMetaDataList.Add(subMetaData);
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}
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/// <summary>
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/// 通过反射解析子属性的类型
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/// </summary>
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private static Type ResolveSubPropertyType(Type parentType, string propertyPath)
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{
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if (parentType == null || string.IsNullOrEmpty(propertyPath))
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return null;
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if (propertyPath.Contains('/'))
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return null;
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var field = parentType.GetField(propertyPath);
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if (field != null) return field.FieldType;
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var prop = parentType.GetProperty(propertyPath);
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if (prop != null) return prop.PropertyType;
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return null;
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}
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}
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}
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