Scriptum/Assets/Scripts/REFACTORING/Application/UI/Inventory/InventoryUIManager.cs

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

[Serializable]
public class InventoryUIManager : UIWarehouseManager
{
    public static new InventoryUIManager Instance { get; protected set; }

    public override int SLOTS_NUMBER { get { return 42; } }

    public const string ITEM_LOCALIZATION = "UiPanels/";
    public const string PANEL_NAME = "InventoryPanel";

    public override void Awake()
    {
        if (Instance == null)
        {
            Instance = this;
        }
        else
        {
            Debug.Log(Instance);
            Debug.Log("destroiy inventory UI");
            Destroy(gameObject);
        }
    }

    /*    public override void UpdateList()
        {
            // TODO something like rebuild associated panel content
            // depending on which class we use it mayu be Inventory / Chest / Shop Panel Controller
            DynamicPanel.GetComponent<InventoryPanelController>(); //.Refresh() -- rebuild content
        }*/

    public override void SetupPanel()
    {
        base.SetupPanel();

        // setup models list
        DynamicPanel.GetComponent<InventoryPanelController>().SetUp(Elements);
    }

    public override void UpdateList()
    {
        // condition for situation where eg player want to pick up item when inventory / equipment is closed

        if(DynamicPanel)
            DynamicPanel.GetComponent<InventoryPanelController>().BuildPanelContent(Elements);
    }

    protected override GameObject GetTemplatePanel()
    {
        // Resources = default path - Asset/Resources ... .obj
        return Resources.Load(ITEM_LOCALIZATION + PANEL_NAME) as GameObject;
    }

    #region List API
    public override void RemoveByPosition(int keyPosition)
    {
        base.RemoveByPosition(keyPosition);

        UpdateList();
    }

    public override int RemoveByItemId(int itemId)
    {
        var result = base.RemoveByItemId(itemId);

        UpdateList();

        return result;
    }

    public override int RemoveOneByItemName(string itemName)
    {
        var result = base.RemoveOneByItemName(itemName);

        UpdateList();

        return result;
    }

    public override int RemoveByItemName(string itemName)
    {
        var result = base.RemoveByItemName(itemName);

        UpdateList();

        return result;
    }

    public override void RemoveAll()
    {
        Elements.Clear();

        UpdateList();
    }
    #endregion
}