powerfun-unity/Assets/Scripts/UI/Prefab/Panel/NewRouteOverviewController.cs

using Assets.Scripts;
using DG.Tweening;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

public class NewRouteOverviewController: PFUIPanel
{
    // Start is called before the first frame update
    Transform tmpGroup;
    Transform tmpItem;
    int bannerIndex = 0;
    float? startPos = null;
    RectTransform bannerContent,collectionContent;
    Dictionary<string, Texture> caches = null;
    ScrollRect scroll;
    protected override void Awake()
    {
        caches = new Dictionary<string, Texture>();
        scroll = transform.Find("Container/Right/Scroll View").GetComponent<ScrollRect>();
        UIManager.AddEvent(scroll.gameObject, UnityEngine.EventSystems.EventTriggerType.EndDrag, OnEndDrag);
    }

    private void OnEndDrag(BaseEventData arg0)
    {
        if (scroll.verticalNormalizedPosition <= 0 && !isEnd)
        {
            pageIndex++;
            GetList();
        }
        if (scroll.verticalNormalizedPosition >= 1.1)
        {
            Refresh();
        }
    }

    protected override void OnDestroy()
    {
        caches = null;
        Resources.UnloadUnusedAssets();
        GC.Collect();
        Debug.Log("list empty");
    }
    void Start()
    {
#if !(UNITY_ANDROID || UNITY_IOS)
        tmpGroup = Resources.Load<Transform>("UI/Prefab/NewRoute/RouteGroup");
        tmpItem = Resources.Load<Transform>("UI/Prefab/NewRoute/RouteItem");
#else
        var rect = transform.GetComponent<RectTransform>();
        rect.offsetMax = new Vector2(rect.offsetMax.x, 0);
        rect.offsetMin = new Vector2(rect.offsetMin.x, 0);
        tmpGroup = Resources.Load<Transform>("UI/Prefab/NewRoute/Mobile/RouteGroup");
        tmpItem = Resources.Load<Transform>("UI/Prefab/NewRoute/Mobile/RouteItem");
#endif
        collectionContent = transform.Find("Container/Right/Scroll View/Viewport/Content")
            .GetComponent<RectTransform>();
        Refresh();
        

        var left = transform.Find("Container/Left");
        UIManager.AddEvent(left.Find("MyUpload").gameObject, UnityEngine.EventSystems.EventTriggerType.PointerClick, b =>
        {
            ToList("My Upload");
        });
        UIManager.AddEvent(left.Find("MyCollection").gameObject, UnityEngine.EventSystems.EventTriggerType.PointerClick, b =>
        {
            ToList("My Collection");
        });
        UIManager.AddEvent(left.Find("RecentRoute").gameObject, UnityEngine.EventSystems.EventTriggerType.PointerClick, b =>
        {
            ToList("Recent Routes");
        });
        UIManager.AddEvent(left.Find("AllRoutes").gameObject, UnityEngine.EventSystems.EventTriggerType.PointerClick, b =>
        {
            ToList("All Route");
        });
#if !(UNITY_ANDROID || UNITY_IOS)
        var banner = collectionContent.Find("Banner");
        bannerContent = banner.Find("Viewport/Content").GetComponent<RectTransform>();
        var btnLeft = banner.Find("Left");
        var btnRight = banner.Find("Right");
        UIManager.AddEvent(btnLeft.gameObject, UnityEngine.EventSystems.EventTriggerType.PointerClick, b =>
        {
            MoveBanner(false);
        });
        UIManager.AddEvent(btnRight.gameObject, UnityEngine.EventSystems.EventTriggerType.PointerClick, b =>
        {
            MoveBanner(true);
        });
#endif
    }
    int pageIndex = 0, pageSize = 10;
    bool isEnd = false,isLock = false;
    private void Refresh()
    {
        pageIndex = 0;
        isEnd = false;
        scroll.content.DestroyChildren();
        GetList();
    }

    async void GetList() 
    {
        if (isLock) return;
        isLock = true;
        var res = await ConfigHelper.mapApi.GetMapRouteAreaList(pageIndex, pageSize);
        isLock = false;
        if (!res.result)
        {
            return;
        }
        if (res.data.Count == 0) 
        {
            isEnd = true;
        }
        foreach (var groupItem in res.data)
        {
            var group = Instantiate<Transform>(tmpGroup);
            group.GetComponent<NewRouteGroupController>().Initial(groupItem);
            foreach (var area in groupItem.areas)
            {
                var item = Instantiate<Transform>(tmpItem);
                item.GetComponent<NewRouteItemController>().Initial(area, caches);
                item.SetParent(group.Find("Content"));
            }
            group.SetParent(collectionContent);
            group.localScale = Vector3.one;
        }
        //for (int i = 0; i < 10; i++)
        //{
        //    var group = Instantiate<Transform>(tmpGroup);
        //    for (int j = 0; j < 10; j++)
        //    {
        //        var item = Instantiate<Transform>(tmpItem);
        //        item.SetParent(group.Find("Content"));
        //    }
        //    group.SetParent(collectionContent);
        //    group.localScale = Vector3.one;
        //}
        //获取数据后需要重绘
        LayoutRebuilder.ForceRebuildLayoutImmediate(collectionContent);
    }
    void MoveBanner(bool right) 
    {
#if !(UNITY_ANDROID || UNITY_IOS)
        if (bannerContent == null) return;
        if (!startPos.HasValue) 
        {
            startPos = bannerContent.localPosition.x;
            Debug.Log(startPos);
        }
        var k = right ? -1 : 1;
        bannerIndex += k;
        if (bannerIndex > 0)
        {
            bannerIndex = -3;
        }
        else if (bannerIndex < -3) 
        {
            bannerIndex = 0;
        }
        bannerContent.DOLocalMoveX(startPos.Value + bannerIndex * 1171, 0.5f);
#endif
    }
    void ToList(string type) 
    {
        App.CurrentRouteType = type;// "";
        UIManager.ShowMapListPanel();
    }
    public override void Show()
    {
        base.Show();
        Debug.Log("触发59");
        transform.MyDOFade();
    }
    // Update is called once per frame
    float time = 10;
    bool startMouse = false;
    void Update()
    {
        time -= Time.deltaTime;
        if (time <= 0) 
        {
            MoveBanner(true);
            time += 10;
        }

        if (Input.GetAxis("Mouse ScrollWheel") != 0)
        {
            if (scroll.verticalNormalizedPosition <= 0 || scroll.verticalNormalizedPosition>=1.1)
            {
                startMouse = true;
            }
        }
        else
        {
            if (startMouse)
            {
                startMouse = false;
                OnEndDrag(null);
            }
        }
    }
}