using UnityEngine;
using System;
using System.Collections;

namespace EnhancedUI.EnhancedScroller
{
    /// <summary>
    /// This is the base class that all cell views should derive from
    /// </summary>
    public class EnhancedScrollerCellView : MonoBehaviour
    {
        /// <summary>
        /// The cellIdentifier is a unique string that allows the scroller
        /// to handle different types of cells in a single list. Each type
        /// of cell should have its own identifier
        /// </summary>
        public string cellIdentifier; //当存在不同prefab的时候，就可以用这个identifier来区分

        /// <summary>
        /// The cell index of the cell view
        /// This will differ from the dataIndex if the list is looping
        /// </summary>
        [NonSerialized]
        public int cellIndex;//_activeCellViews中的索引

        [NonSerialized]
        public int index = -1;//_activeCellViews中的索引

        /// <summary>
        /// The data index of the cell view
        /// </summary>
        [NonSerialized]
        public int dataIndex;//非循环模式下和cellIndex相同，循环模式下为当前循环的子物体的索引

        /// <summary>
        /// Whether the cell is active or recycled
        /// </summary>
        [NonSerialized]
        public bool active;

        /// <summary>
        /// This method is called by the scroller when the RefreshActiveCellViews is called on the scroller
        /// You can override it to update your cell's view UID
        /// </summary>
        public virtual void RefreshCellView() { }//当主动调用EnhancedScrller类中RefreshActiveCellViews()方法时，会遍历当前处于Active状态的CellVeiw，并调用它们重写的这个方法
                                                 //这个方法可以用于主动刷新当前处于Active状态的CellVeiw

    }
}