Shopping_UnityVR/Assets/02_Scripts/UI/ShoppingOrderView.cs

using UnityEngine;
using VRShopping.Shopping;

namespace VRShopping.UI
{
    public class ShoppingOrderView : MonoBehaviour
    {
        [SerializeField] private ShoppingOrderList _orderList;
        [SerializeField] private ShoppingOrderRow _rowPrefab;
        [SerializeField] private Transform _rowContainer;
        [SerializeField] private Animator _anim;
        [SerializeField] private GameObject _paper;

        private bool _visibleShoppingOrderList = false;

        private void Start()
        {
            Rebuild();
        }

        public void Rebuild()
        {
            if (_orderList == null || _rowPrefab == null || _rowContainer == null) return;

            for (int i = _rowContainer.childCount - 1; i >= 0; i--)
            {
                Destroy(_rowContainer.GetChild(i).gameObject);
            }

            foreach (var entry in _orderList.Entries)
            {
                var row = Instantiate(_rowPrefab, _rowContainer);
                row.Bind(entry);
            }
        }

        public async Awaitable ToggleShoppingOrderList()
        {
            _visibleShoppingOrderList = !_visibleShoppingOrderList;
            await OnOffShoppingOrderList(_visibleShoppingOrderList);
        }

        private async Awaitable OnOffShoppingOrderList(bool isOn)
        {
            if(isOn)
            {
                _paper.SetActive(true);
                _anim.SetTrigger("OnVisibleShoppingOrderListTrigger");       
            }
            else
            {
                _anim.SetTrigger("OffVisibleShoppingOrderListTrigger");
                await Util.RunDelayed(1f,()=>{
                _paper.SetActive(false);
                });                       
            }    
        }
    }
}