ui/Runtime/Tooltips/TooltipSystem.cs

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

namespace KairoEngine.UI.Tooltips
{
    public class TooltipSystem : SerializedMonoBehaviour
    {
        public static TooltipSystem instance;
        [ReadOnly] public Tooltip tooltip;
        
        public Dictionary<string, Tooltip> tooltipList = new Dictionary<string, Tooltip>();
        public float delayTime = 0.8f;

        public void Awake()
        {
            if(instance == null) instance = this;
            else Destroy(this.gameObject);
            if(tooltip == null) tooltip = tooltipList[""];
            if(tooltip == null) Debug.LogError("No tooltip is assigned in TooltipSystem", this.gameObject);
            else tooltip.gameObject.SetActive(false);
        }

        public static void Show(string content, string header = "", string tooltipType = "")
        {
            if(!HasInstance()) return;
            Tooltip currentTooltip = null;
            foreach(KeyValuePair<string, Tooltip> keyValue in instance.tooltipList)
            {
                string key = keyValue.Key;
                if(key == tooltipType || (key == "" && tooltipType == ""))
                {
                    currentTooltip = keyValue.Value;
                }
            }
            foreach(KeyValuePair<string, Tooltip> keyValue in instance.tooltipList) Hide(keyValue.Value);
            if(currentTooltip != null)
            {
                currentTooltip.SetText(content, header);
                currentTooltip.gameObject.SetActive(true);
                instance.tooltip = currentTooltip;
            }
            else Debug.LogError($"The Tooltip type named \'{tooltipType}\' could not be found.", instance.gameObject);
        }

        public static void Hide(Tooltip tooltip = null)
        {
            if(!HasInstance()) return;
            if(tooltip == null && instance.tooltip == null) return;
            if(tooltip == null) tooltip = instance.tooltip;
            tooltip.gameObject.SetActive(false);
            instance.tooltip = null;
        }

        public static bool HasInstance()
        {
            if(instance == null)
            {
                Debug.LogWarning("There is no active TooltipSystem");
                return false;
            }
            else return true;
        }

        public static float GetDelay()
        {
            if(!HasInstance()) return 0.5f;
            else return instance.delayTime;
        }
    }
}