mergemilitary/Assets/MMOModule/Scripts/MMOUtils/MMOListView/MMOListView.cs

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

namespace MMO
{
    public abstract class MMOListView<T> : IMMOListView where T : MMOListCell
    {
        public abstract int Count
        {
            get;
        }

        [SerializeField] GameObject mTplCell;
        [SerializeField] Transform mCtnCells;

        protected List<T> mCellList;

        public override void Show(bool pShow)
        {
            gameObject.SetActive(pShow);
        }

        public override void LoadData()
        {
            BeforeLoad();

            if (mCellList == null)
            {
                mCellList = new List<T>();
            }

            for (int i = 0; i < Count; i++)
            {
                T tCell = null;
                if (i < mCellList.Count)
                {
                    tCell = mCellList[i];
                }
                else
                {
                    tCell = SpawnCell();
                    mCellList.Add(tCell);
                }

                tCell.gameObject.SetActive(true);
                tCell.SetIndex(i);
                ConfigCell(tCell);
            }

            HideUnused();
        }

        public override void ClearSelection()
        {

        }

        protected virtual void BeforeLoad()
        {

        }

        protected abstract void ConfigCell(T pCell);

        private T SpawnCell()
        {
            GameObject tCellOb = Instantiate(mTplCell, mCtnCells);

            tCellOb.transform.localScale = Vector3.one;

            return tCellOb.GetComponent<T>();
        }

        private void HideUnused()
        {
            for (int i = Count; i < mCellList.Count; i++)
            {
                mCellList[i].gameObject.SetActive(false);
            }
        }
    }

    public abstract class IMMOListView : MonoBehaviour
    {
        public abstract void Show(bool pShow);
        public abstract void LoadData();
        public abstract void ClearSelection();
    }
}