using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using UnityEngine.UI;

/// <summary>
/// 滚动列表优化，元素循环使用
/// </summary>
public class TestMain : MonoBehaviour
{
    /// <summary>
    /// 测试用数据
    /// </summary>
    private List<Item> mData = new List<Item>();

    /// <summary>
    /// 滚动列表优化
    /// </summary>
    private UIWarpContent1 warpContent = null;

    /// <summary>
    /// 初始化
    /// </summary>
    private void Start()
    {
        // 组织测试数据
        for (int i = 0; i < 50; i++)
        {
            mData.Add(new Item("测试:" + i.ToString()));
        }

        warpContent = gameObject.transform.GetComponentInChildren<UIWarpContent1>();
        warpContent.onInitializeItem = onInitializeItem;

        // 注意：目标init方法必须在warpContent.onInitializeItem之后
        warpContent.Init(mData.Count);
    }

    /// <summary>
    /// 元素初始化
    /// </summary>
    /// <param name="go"> 元素 </param>
    /// <param name="dataIndex"> 数据索引 </param>
    private void onInitializeItem(GameObject go, int dataIndex)
    {
        Text text = go.transform.Find("Text").GetComponent<Text>();
        text.text = "i:" + dataIndex + "_N:" + mData[dataIndex].Name();
    }

    /// <summary>
    /// 测试用数据结构
    /// </summary>
    public class Item
    {
        /// <summary>
        /// 名称
        /// </summary>
        private string name;

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="name"> 名称字符串 </param>
        public Item(string name)
        {
            this.name = name;
        }

        /// <summary>
        /// 获取名称
        /// </summary>
        /// <returns> 名称字符串 </returns>
        public string Name()
        {
            return this.name;
        }

        /// <summary>
        /// 删除
        /// </summary>
        public void destroy()
        {
            this.name = null;
        }
    }
}