261 lines
9.3 KiB
C#
261 lines
9.3 KiB
C#
using System.Collections.Generic;
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using System.Text;
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using UnityEngine;
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namespace XericUI.ReflectionUIGenerator
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{
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/// <summary>
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/// MDVM 值组件基类 — 预制体上的标记组件
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///
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/// 职责：
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/// 1. 提供 EntryTag/TagIndex 供 XuiFieldTempEntry 匹配
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/// 2. 持有绑定的元数据引用，管理验证状态
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/// 3. 通过 virtual BindToAccessor() 让子类自行管理 UI 交互事件
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/// 4. 对象池生命周期：OnPoolGet(meta) 初始化、OnPoolRelease() 重置
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/// 5. 定义绑定槽（BindingSlots），供拆分属性子绑定匹配
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/// 6. 通过 UpdateValueDisplay() 合成标签文本（名称 + 只读 + 警告标记）
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/// </summary>
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[AddComponentMenu("Xeric Library/UI Action Vessel/XUIAvrgMDValue")]
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public class XUIAvrgMDValue : MonoBehaviour
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{
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/// <summary>
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/// 绑定槽定义 — 用于拆分属性（Split）的子绑定匹配
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/// propertyName 匹配 XuiavrgSplit 的 PropertyPath
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/// tag 在预制体内查找对应子节点的 XUIAvrgMDValue
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/// </summary>
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[System.Serializable]
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public class AvrgBindingSlot
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{
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[Tooltip("绑定的子属性名（匹配 XuiavrgSplit 的 PropertyPath，如 \"x\"、\"y\"）")]
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public string propertyName;
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[Tooltip("子属性在预制体上的 Tag 标记，用于查找子节点 XUIAvrgMDValue")]
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public XuiavrgFieldTag tag = XuiavrgFieldTag.Context;
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}
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// ============ 匹配标记 ============
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[SerializeField]
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[Tooltip("功能标记，用于与 Entry 的 Tag 匹配")]
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private XuiavrgFieldTag _entryTag = XuiavrgFieldTag.None;
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[SerializeField]
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[Tooltip("同 Tag 多实例时区分（0 表示不限制）")]
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private int _tagIndex;
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[SerializeField]
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[Tooltip("拆分属性子绑定槽列表 — 用于 XuiavrgSplit 的子属性匹配")]
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private List<AvrgBindingSlot> _bindingSlots = new List<AvrgBindingSlot>();
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// ============ UI 文本插槽 ============
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[Header("UI 文本插槽")]
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[SerializeField, Tooltip("字段标签文本 — 显示 \"名称 (只读) ⚠警告\"，为 null 则不显示标签")]
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#if dUI_TextMeshPro
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protected TMPro.TMP_Text _fieldLabelText;
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#else
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protected UnityEngine.UI.Text _fieldLabelText;
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#endif
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[SerializeField, Tooltip("值显示文本 — 可为 null（Slider/Color/Texture 子类不依赖文本）")]
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#if dUI_TextMeshPro
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protected TMPro.TMP_Text _valueDisplayText;
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#else
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protected UnityEngine.UI.Text _valueDisplayText;
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#endif
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[SerializeField, Tooltip("单位文本 — 可为 null")]
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#if dUI_TextMeshPro
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protected TMPro.TMP_Text _unitText;
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#else
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protected UnityEngine.UI.Text _unitText;
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#endif
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// ============ 公共属性 ============
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/// <summary>绑定的元数据引用</summary>
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public AvrgMemberMetaData BoundMetaData { get; protected set; }
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/// <summary>当前关联的值访问器</summary>
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public IAvrgValueAccessor CurrentAccessor { get; protected set; }
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/// <summary>当前关联的 MVVM 绑定</summary>
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public AvrgMvvmBinding CurrentBinding { get; protected set; }
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/// <summary>当前验证状态</summary>
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public ValidationState CurrentValidationState { get; protected set; } = ValidationState.Normal;
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public XuiavrgFieldTag EntryTag => _entryTag;
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public int TagIndex => _tagIndex;
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/// <summary>只读访问绑定槽列表</summary>
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public IReadOnlyList<AvrgBindingSlot> AvailableBindingSlots => _bindingSlots;
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// ============ 对象池生命周期 ============
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/// <summary>
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/// 从对象池取出时调用 — 注入元数据并初始化子属性
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/// 子类可覆写以初始化专属组件参数（Slider.minValue/maxValue 等）
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/// </summary>
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public virtual void OnPoolGet(AvrgMemberMetaData metaData)
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{
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BoundMetaData = metaData;
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CurrentValidationState = ValidationState.Normal;
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// 子类覆写点
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}
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/// <summary>
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/// 回收到对象池时调用 — 重置所有状态到初始值
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/// 子类可覆写以清理专属组件事件
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/// </summary>
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public virtual void OnPoolRelease()
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{
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CurrentAccessor = null;
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CurrentBinding = null;
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BoundMetaData = null;
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CurrentValidationState = ValidationState.Normal;
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// 重置 UI 文本
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if (_fieldLabelText != null) _fieldLabelText.text = "";
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if (_valueDisplayText != null) _valueDisplayText.text = "";
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if (_unitText != null) _unitText.text = "";
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}
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// ============ 核心绑定接口 ============
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/// <summary>
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/// 由 XuiFieldTempEntry 调用，将值访问器和 MVVM 绑定连接到此 UI 组件
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/// </summary>
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public virtual void BindToAccessor(
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IAvrgValueAccessor accessor,
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AvrgMvvmBinding binding,
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AvrgMvvmScheduler scheduler)
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{
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CurrentAccessor = accessor;
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CurrentBinding = binding;
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if (binding == null || accessor == null) return;
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// 数据 → UI（带验证状态）
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binding.OnUIDataChanged += (value, state) =>
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{
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UpdateValueDisplay(value, state);
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};
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// 验证状态变更
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binding.OnValidationStateChanged += OnValidationStateChanged;
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// 首次同步
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var initialValue = accessor.GetValue();
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UpdateValueDisplay(initialValue, ValidationState.Normal);
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}
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// ============ UI 更新 ============
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/// <summary>
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/// 根据值和验证状态更新 UI 显示
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/// 子类可覆写以处理专属组件更新（Slider.value, Image.color 等）
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/// 基类负责合成标签文本、值文本颜色、单位文本
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/// </summary>
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protected virtual void UpdateValueDisplay(object value, ValidationState state)
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{
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// 1. 字段标签合成
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if (_fieldLabelText != null)
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{
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string label = BuildLabel(state);
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_fieldLabelText.text = label;
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}
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// 2. 值显示
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if (_valueDisplayText != null)
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{
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string display = CurrentAccessor?.FormatDisplay(value) ?? value?.ToString() ?? "";
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_valueDisplayText.text = display;
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_valueDisplayText.color = state == ValidationState.Invalid
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? Color.red
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: state == ValidationState.Warning
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? new Color(1f, 0.92f, 0.016f) // yellow
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: Color.white;
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}
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// 3. 单位文本
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if (_unitText != null)
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_unitText.text = BoundMetaData?.UnitLabelName ?? "";
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}
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/// <summary>
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/// 合成标签文本：名称 + (只读) + 警告标记
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/// </summary>
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protected string BuildLabel(ValidationState state)
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{
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var meta = BoundMetaData;
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var sb = new StringBuilder();
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sb.Append(meta?.LabelName ?? meta?.MemberName ?? "");
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// 必填标记
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if (meta != null && meta.Required)
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sb.Append(" *");
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// 只读标记
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if (CurrentAccessor?.IsReadOnly == true)
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sb.Append(" (只读)");
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// 警告/无效标记（用富文本颜色）
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if (state == ValidationState.Warning)
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sb.Append(" <color=yellow>⚠警告</color>");
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else if (state == ValidationState.Invalid)
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sb.Append(" <color=red>⚠无效值</color>");
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return sb.ToString();
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}
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// ============ 验证状态回调 ============
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/// <summary>
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/// 验证状态变更回调 — 子类可覆写以实现专属样式切换
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/// 如 Slider 填充色变黄/红、InputField 文字变色等
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/// </summary>
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protected virtual void OnValidationStateChanged(ValidationState state)
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{
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CurrentValidationState = state;
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// 刷新标签文本（警告/无效标记在标签上）
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if (_fieldLabelText != null)
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_fieldLabelText.text = BuildLabel(state);
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// 值文本颜色
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if (_valueDisplayText != null)
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{
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_valueDisplayText.color = state == ValidationState.Invalid
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? Color.red
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: state == ValidationState.Warning
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? new Color(1f, 0.92f, 0.016f)
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: Color.white;
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}
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}
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// ============ 元数据广播 ============
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/// <summary>
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/// 由绑定系统调用，传递元数据并广播到 IXUIAvrgMDValueStyle 子组件
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/// </summary>
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public void InitializeWithMetaData(AvrgMemberMetaData metaData)
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{
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BoundMetaData = metaData;
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if (metaData == null) return;
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var styles = GetComponentsInChildren<IXUIAvrgMDValueStyle>(true);
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foreach (var style in styles)
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{
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if (style is MonoBehaviour mb && mb.gameObject == gameObject)
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continue;
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style.ApplyMetaData(metaData);
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}
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}
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}
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}
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