91 lines
2.0 KiB
C#
91 lines
2.0 KiB
C#
using UnityEngine;
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using System.Collections;
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using System.Collections.Generic;
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using System.Text;
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using System;
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namespace Thousandto.Plugins.Common
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{
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/// <summary>
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/// 数据类，适配器，用于适配各种数据，这是一个基类
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/// </summary>
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public abstract class ListItemAdapter
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{
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/// <summary>
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/// <缓存的内容， 数据， 返回>， 用于实例化Item
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/// </summary>
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public Func<ItemHolder, object, ItemHolder> Instantiate;
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public virtual void AddData(object obj, object sender = null)
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{
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}
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/// <summary>
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/// 返回数据总个数
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/// </summary>
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/// <returns></returns>
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public virtual int GetCount()
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{
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return 0;
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}
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public virtual List<int> GetIndexs(int channel)
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{
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return null;
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}
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public virtual int GetReverseNextIndex(int index)
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{
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return 0;
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}
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public virtual int GetNextIndex(int index)
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{
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return 0;
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}
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public virtual int GetChannelId(int index)
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{
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return 0;
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}
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/// <summary>
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/// 返回指定序号的数据
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/// </summary>
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/// <param name="index"></param>
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/// <returns></returns>
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public virtual object GetData(int index)
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{
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return null;
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}
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public ItemHolder GetView(int index, ItemHolder holder)
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{
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var count = GetCount();
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if(index >= count)
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{
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return null;
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}
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var data = GetData(index);
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if (data == null)
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{
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return null;
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}
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if (holder == null)
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{
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holder = new ItemHolder();
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holder = Instantiate(null, data);
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}
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else
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{
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holder = Instantiate(holder, data);
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}
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return holder;
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}
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}
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}
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