ui/Runtime/MenuComponents/ColumnMenuUI.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
using Sirenix.OdinInspector;
using KairoEngine.UI.Tooltips;
using KairoEngine.UI.InteractionHandler;

namespace KairoEngine.UI
{
    [HideMonoScript]
    public class ColumnMenuUI : MenuUI
    {
        
        [BoxGroup("Settings"), OnInspectorInit("EditorSetup")] public GameObject subMenuPrefab;
        [BoxGroup("Settings")] public RectTransform subMenusParent;
        private GameObject mainMenu;
        private List<GameObject> subMenus = new List<GameObject>();

        public override void Start()
        {
            useSubMenus = true;
            if(handler == null) handler = gameObject.GetComponent<IClickHandler>();
            if(createMenuOnStart) 
            {
                DestroyMenu();
                CreateMenu();
            }
        }

        public override void OnClick(string title)
        {
             for (int i = 0; i < buttons.Count; i++)
             {
                 if(buttons[i].title == title)
                 {
                    if(buttons[i].subMenuParent) OpenSubMenu(title);
                    if(buttons[i].action != "" && handler != null)
                    {
                        handler.OnClick(buttons[i].action);
                    }
                 }
             }
        }

        public override void CreateMenu() => CreateMenus();

        public void CreateMenus()
        {
            mainMenu = Instantiate(subMenuPrefab, menuParent);
            for (int i = 0; i < buttons.Count; i++)
            {
                if(string.IsNullOrEmpty(buttons[i].parent))
                {
                    var btn = CreateButton(buttons[i], mainMenu.transform);
                    buttons[i].button = btn;
                    var subMenu = Instantiate(subMenuPrefab, subMenusParent);
                    subMenu.name = $"SubMenu {buttons[i].title}";
                    for (int a = 0; a < buttons.Count; a++)
                    {
                        if(buttons[a].parent == buttons[i].title)
                        {
                            var subBtn = CreateButton(buttons[a], subMenu.transform);
                            buttons[a].button = subBtn;
                        }
                    }
                    subMenu.SetActive(false);
                    subMenus.Add(subMenu);
                }
            }
        }

        public override void DestroyMenu() => DestroyMenus();

        public void DestroyMenus()
        {
            for (int i = 0; i < subMenus.Count; i++)
            {
                Destroy(subMenus[i]);
            }
            subMenus = new List<GameObject>();
            #if UNITY_EDITOR
            DestroyImmediate(mainMenu);
            #else
            Destroy(mainMenu);
            #endif
            buttons = new List<MenuButtomData>();
        }

        public void OpenSubMenu(string title)
        {
            for (int i = 0; i < subMenus.Count; i++)
            {
                if($"SubMenu {title}" == subMenus[i].name) subMenus[i].SetActive(true);
                else subMenus[i].SetActive(false);
            }
        }

        public void EditorSetup()
        {
            useSubMenus = true;
        }
    }
}