ui/Runtime/MenuComponents/MenuUI.cs

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

namespace KairoEngine.UI
{
    [HideMonoScript]
    public class MenuUI : MonoBehaviour, IClickHandler, IUiSystemElement
    {
        [BoxGroup("Settings")] public string elementTitle = "New UI Element";
        [BoxGroup("Settings")] public bool createMenuOnStart = true;
        [BoxGroup("Settings")] public bool visibleOnStart = true;
        [BoxGroup("Settings")] public GameObject buttonPrefab;
        [BoxGroup("Settings")] public RectTransform menuParent;
        [BoxGroup("Settings")] public Canvas menuCanvas;

        [PropertySpace(4,4), OnCollectionChanged("UpdateButtonData")] public List<MenuButtomData> buttons = new List<MenuButtomData>();

        private bool isVisible = false;
        [HideInInspector] public IClickHandler handler;
        [HideInInspector] public bool useSubMenus = false;

        public virtual void Start()
        {
            if(handler == null) handler = gameObject.GetComponent<IClickHandler>();
            if(createMenuOnStart) 
            {
                DestroyMenu();
                CreateMenu();
            }
            if(visibleOnStart) UiManager.ShowElement(this);
            else UiManager.HideElement(this);
        }

        private void OnDisable()
        {
            UiManager.UnregisterElement(this);
        }

        private void OnEnable()
        {
            UiManager.RegisterElement(elementTitle, this, this.transform, isVisible);
        }

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

        public void Hide()
        {
            menuCanvas.gameObject.SetActive(false);
            isVisible = false;
        }

        public void Show()
        {
            menuCanvas.gameObject.SetActive(true);
            isVisible = true;
        }

        public bool IsVisible() => isVisible;

        public virtual GameObject CreateButton(MenuButtomData data, Transform parent)
        {
            var btn = Instantiate(buttonPrefab, parent);
            ClickHandler clickHandler = btn.GetComponent<ClickHandler>();
            if(clickHandler != null) 
            {
                clickHandler.receiver = this;
                clickHandler.title = data.title;
            }
            ButtonData buttonData = btn.GetComponent<ButtonData>();
            if(buttonData != null) buttonData.Setup(data.title, data.graphic);
            TooltipTrigger tooltip = btn.GetComponent<TooltipTrigger>();
            if(tooltip != null) 
            {
                if(data.showTooltip)
                {
                    tooltip.header = data.title;
                    tooltip.content = data.description;
                    tooltip.tooltipType = data.tooltipType;
                }
                else tooltip.enabled = false;
            }
            Button buttonComponent = btn.GetComponent<Button>();
            if(buttonComponent != null) buttonComponent.interactable = data.isInteractable;
            return btn;
        }

        [ButtonGroup("Buttons"), Button("Create Menu")]
        public virtual void CreateMenu()
        {
            for (int i = 0; i < buttons.Count; i++)
            {
                var btn = CreateButton(buttons[i], menuParent);
                buttons[i].button = btn;
            }
        }

        [ButtonGroup("Buttons"), Button("Destroy Menu")]
        public virtual void DestroyMenu()
        {
            for (int i = 0; i < buttons.Count; i++)
            {
                #if UNITY_EDITOR
                DestroyImmediate(buttons[i].button);
                #else
                Destroy(buttons[i].button);
                #endif
            }
        }

        private void UpdateButtonData()
        {
            for (int i = 0; i < buttons.Count; i++)
            {
                buttons[i].useSubMenus = useSubMenus;
            }
        }
    }
}