127 lines
3.8 KiB
C#
127 lines
3.8 KiB
C#
using System.Collections;
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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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/// 绑定集合 — 统一管理所有 AvrgMvvmBinding，提供字符串索引器和前缀树快速查找
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/// </summary>
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public class AvrgMvvmBindingCollection : IEnumerable<AvrgMvvmBinding>
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{
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private List<AvrgMvvmBinding> _bindings = new List<AvrgMvvmBinding>();
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private AvrgMvvmScheduler _scheduler;
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private AvrgBindingTrie _trie;
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/// <summary>
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/// 绑定的元数据集引用（可选）
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/// </summary>
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public AvrgMemberMetaDataSet SourceMetaDataSet { get; set; }
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/// <summary>
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/// 绑定数量
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/// </summary>
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public int Count => _bindings.Count;
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/// <summary>
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/// 调度器引用（在 BuildMDVM 时设置）
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/// </summary>
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public AvrgMvvmScheduler Scheduler => _scheduler;
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/// <summary>
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/// 添加绑定
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/// </summary>
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public void Add(AvrgMvvmBinding binding)
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{
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_bindings.Add(binding);
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}
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/// <summary>
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/// 设置前缀树索引（由 BuildMDVM 构建后注入）
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/// </summary>
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internal void SetTrie(AvrgBindingTrie trie)
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{
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_trie = trie;
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}
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/// <summary>
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/// 获取指定索引的绑定
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/// </summary>
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public AvrgMvvmBinding this[int index] => _bindings[index];
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/// <summary>
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/// 通过成员名访问绑定（如 bindingCollection["speed"]）
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/// get: 从数据源读取当前值
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/// set: 走完整的 MVVM 管线：WriteFromData → MarkDataDirty → Flush → UI 同步
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/// </summary>
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public object this[string memberName]
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{
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get
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{
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var binding = FindByMemberName(memberName);
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return binding?.ReadFromDataSource();
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}
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set
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{
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var binding = FindByMemberName(memberName);
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if (binding != null && _scheduler != null)
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{
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binding.WriteFromData(value);
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_scheduler.MarkDataDirty(binding);
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_scheduler.Flush();
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}
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}
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}
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/// <summary>
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/// 获取指定成员名称的绑定（优先查 Trie，回退线性查找）
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/// </summary>
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public AvrgMvvmBinding FindByMemberName(string memberName)
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{
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if (_trie != null)
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{
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var found = _trie.Find(memberName) ?? _trie.FindByMemberName(memberName);
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if (found != null) return found;
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}
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return _bindings.Find(b => b.MetaData?.MemberName == memberName);
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}
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/// <summary>
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/// 获取指定 Tag 类型的绑定列表
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/// </summary>
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public List<AvrgMvvmBinding> FindByTag(XuiavrgFieldTag tag)
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{
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return _bindings.FindAll(b => (b.MetaData?.Tag & tag) == tag);
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}
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/// <summary>
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/// 附加调度器
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/// </summary>
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internal void AttachScheduler(AvrgMvvmScheduler scheduler)
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{
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_scheduler = scheduler;
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}
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/// <summary>
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/// 触发调度器 Flush，处理所有脏标记
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/// </summary>
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public void Flush()
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{
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_scheduler?.Flush();
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}
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/// <summary>
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/// 清空所有绑定
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/// </summary>
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public void Clear()
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{
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_bindings.Clear();
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_trie?.Clear();
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_scheduler?.Clear();
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}
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public IEnumerator<AvrgMvvmBinding> GetEnumerator() => _bindings.GetEnumerator();
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IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
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}
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}
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