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56 lines
1.8 KiB
C#
56 lines
1.8 KiB
C#
2 years ago
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using System;
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using System.Collections.Generic;
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namespace Game
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{
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public class MetaDataHandler
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{
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private readonly Dictionary<IMetaData, List<Delegate>> _metaDataDict= new Dictionary<IMetaData, List<Delegate>>();
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protected virtual void OnCreateBind() { }
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protected void CreateBind()
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{
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OnCreateBind();
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}
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protected void ClearBind()
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{
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foreach (var kvp in _metaDataDict)
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{
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var metaData = kvp.Key;
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foreach (var handler in kvp.Value)
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{
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metaData.RemoveEvent(handler);
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}
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}
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_metaDataDict.Clear();
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}
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protected void ReBindData<TData>(MetaBase<TData> metaData, EventMetaData<TData> handler)
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{
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UnbindData(metaData);
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BindData(metaData, handler);
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}
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protected void BindData<TData>(MetaBase<TData> metaData, EventMetaData<TData> handler)
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{
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metaData.AddEvent(handler);
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var metaInter = (IMetaData)metaData;
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if (!_metaDataDict.ContainsKey(metaInter))
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{
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_metaDataDict[metaInter] = new List<Delegate>();
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}
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_metaDataDict[metaInter].Add(handler);
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}
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protected void UnbindData<TData>(MetaBase<TData> metaData)
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{
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var metaInter = (IMetaData)metaData;
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if (_metaDataDict.ContainsKey(metaInter))
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{
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foreach (var handler in _metaDataDict[metaInter])
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{
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metaData.RemoveEvent(handler);
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}
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_metaDataDict[metaInter].Clear();
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}
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_metaDataDict.Remove(metaInter);
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}
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}
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}
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