5.24BuYu/Assets/Framework/Tool/UITool/SubUIManager.cs

using System.Collections.Generic;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.AddressableAssets;
using UnityEngine.ResourceManagement.AsyncOperations;

/// <summary>
/// 子 UI 管理器：不继承 MonoBehaviour，适合子场景/模块内局部面板管理
/// </summary>
public class SubUIManager
{
    public UIBase subUIBaseParent;
    private readonly Transform parent;
    private readonly Dictionary<UIPanel, SubUIBase> panels = new Dictionary<UIPanel, SubUIBase>();
    private readonly Dictionary<UIPanel, string> addressMap = new Dictionary<UIPanel, string>();
    public T Get<T>(UIPanel type) where T : UIBase
    {
        return panels.TryGetValue(type, out var panel) ? panel as T : null;
    }
    public SubUIManager(Transform parent, UIPanelAddressConfig uIPanelAddressConfig)
    {
        this.parent = parent;
        foreach (var entry in uIPanelAddressConfig.panels)
        {
            if (!addressMap.ContainsKey(entry.type))
                addressMap.Add(entry.type, entry.address);
        }
    }
    /// <summary>
    /// 这里使用C#的异步所以操作建议在onshown中进行要不然外面的函数要加异步
    /// </summary>
    /// <param name="type"></param>
    /// <param name="args"></param>
    /// <param name="onShown"></param>
    public async void ShowAsync(UIPanel type, object args = null)
    {
        if (addressMap.ContainsKey(type)) {

           UIBase uIBase = await LoadAndShowAsync(type, addressMap[type], args);
            subUIBaseParent = uIBase;

        }
        else
        {
            Debug.LogError("当前页面不存在");
        }
        
    }

    public async Task<SubUIBase> LoadAndShowAsync(UIPanel type, string address, object args = null)
    {
        if (panels.TryGetValue(type, out var existing) && existing != null)
        {
            existing.Show(args);
            return existing;
        }
            
        if (!addressMap.TryGetValue(type, out var obj) || obj == null)
        {
            Debug.LogError($"[SubUI] No prefab for {type}");
            return null;
        }

        AsyncOperationHandle<GameObject> handle = Addressables.LoadAssetAsync<GameObject>(address);
        await handle.Task; // 等待异步完成

        if (handle.Status == AsyncOperationStatus.Succeeded)
        {
            var prefab = handle.Result;
            var instance = Object.Instantiate(prefab, parent).GetComponent<SubUIBase>();
            instance.uIManager = this;
            instance.name = $"Sub_{type}_Panel";
            instance.Init(type);
            panels[type] = instance;
            //return instance;


            //var instance = GetOrCreate(type, prefab);
            instance.Show(args);
            return instance;
        }
        else
        {
            Debug.LogError($"Failed to load UI prefab at {address}");
            return null;
        }
    }

    public void Hide(UIPanel type)
    {
        if (panels.TryGetValue(type, out var panel) && panel != null)
            panel.Hide();
    }
    public void Hide(SubUIBase type)
    {

        foreach (var panel in panels.Values)
        {
            if (panel== type)
            {
                panel.Hide();
                break;
            }
        }
    }
    public void Close(UIPanel type)
    {
        if (panels.TryGetValue(type, out var panel) && panel != null)
        {
            panel.Hide();
            Object.Destroy(panel.gameObject);
        }
        panels.Remove(type);
    }

    public void CloseAll()
    {
        foreach (var kv in panels)
        {
            if (kv.Value != null)
            {
                kv.Value.Hide();
                Object.Destroy(kv.Value.gameObject);
            }
        }
        panels.Clear();
    }

    //private UIBase GetOrCreate(UIPanel type,GameObject prefab)
    //{
    //    if (panels.TryGetValue(type, out var existing) && existing != null)
    //        return existing;

    //    if (!addressMap.TryGetValue(type, out var obj) || prefab == null)
    //    {
    //        Debug.LogError($"[SubUI] No prefab for {type}");
    //        return null;
    //    }

    //    var instance = Object.Instantiate(prefab, parent).GetComponent<SubUIBase>();
    //    instance.name = $"Sub_{type}_Panel";
    //    instance.Init(type);
    //    panels[type] = instance;
    //    return instance;
    //}
}