ui/Runtime/Tooltips/TooltipTrigger.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using Sirenix.OdinInspector;
using KairoEngine.Core;

namespace KairoEngine.UI.Tooltips
{
    [HideMonoScript]
    public class TooltipTrigger : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler
    {
        private static LTDescr delay;
        public string header;
        public string content;
        public string tooltipType = "";
        private bool visible = false;


        public void OnPointerEnter(PointerEventData eventData)
        {
            if(MouseInputUIBlocker.BlockedByUI) return;
            if(string.IsNullOrEmpty(header) && string.IsNullOrEmpty(content)) return;
            delay = LeanTween.delayedCall(TooltipSystem.GetDelay(), () =>
            {
                TooltipSystem.Show(content, header, tooltipType);
                visible = true;
                CheckTooltip();
            });
            
        }

        public void OnMouseEnter()
        {
            if(MouseInputUIBlocker.BlockedByUI) return;
            if(string.IsNullOrEmpty(header) && string.IsNullOrEmpty(content)) return;
            delay = LeanTween.delayedCall(TooltipSystem.GetDelay(), () =>
            {
                TooltipSystem.Show(content, header, tooltipType);
                visible = true;
                CheckTooltip();
            });
            
        }

        public void OnPointerExit(PointerEventData eventData) => DisableTooltip();
        public void OnMouseExit() => DisableTooltip();
        private void OnDisable() => DisableTooltip();
        private void OnDestroy() => DisableTooltip();

        public void DisableTooltip()
        {
            if(delay != null) LeanTween.cancel(delay.uniqueId);
            TooltipSystem.Hide();
            visible = false;
        }

        private void CheckTooltip()
        {
            TooltipTrigger t = this;
            if(t.visible == false) return;
            Timer.ExecuteRealTime(500, () => {
                if(t == null) 
                {
                    TooltipSystem.Hide();
                    return;
                }
                if(t.gameObject == null) 
                {
                    t.visible = false;
                    TooltipSystem.Hide();
                    return;
                }
                if(!t.gameObject.activeSelf) 
                {
                    t.visible = false;
                    TooltipSystem.Hide();
                    return;
                }
                if(t.gameObject.activeSelf && t.visible == true) 
                {
                    CheckTooltip();
                    return;
                }
            });
        }

    }
}