UITooltip.cs

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using UnityEngine;
using UnityEngine.EventSystems;
using HKI.Core.Loc;

namespace HKI.Core.UI
{
    public class UITooltip : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler
    {
        // Public enums
        [System.Serializable]
        public enum TooltipAlingments
        {
            BottomRight,
            TopLeft,
            BottomLeft,
            TopRight
        }

        // Public variables
        [SerializeField] TooltipAlingments TooltipAlingment = TooltipAlingments.BottomRight;
        [SerializeField] TextLocalization TooltipTextLocalization = null;

        // Getter
        public TooltipAlingments GetTooltipAlingment { get { return TooltipAlingment; } }

        // OnDisable function
        void OnDisable()
        {
            if(UITooltipController.Instance == null)
            {
                //Debug.LogError("(UITooltipController)" + name + " you are trying to hide a tooltip but there is no tooltip controller in this scene(s)!");
                return;
            }

            UITooltipController.Instance.HideTooltip(this);
        }

        // Interface implementations
        public void ChangeTooltipTextLocalization(TextLocalization tl)
        {
            if (tl != null)
                TooltipTextLocalization = tl;
        }

        public void OnPointerEnter(PointerEventData eventData)
        {
            if(TooltipTextLocalization == null)
            {
                Debug.LogError("(UITooltip)" + name + " you are trying use a text localization but there is no text localization attached to this tooltip!");
                return;
            }

            if(UITooltipController.Instance == null)
            {
                Debug.LogError("(UITooltipController)" + name + " you are trying to show a tooltip but there is no tooltip controller in this scene(s)!");
                return;
            }

            UITooltipController.Instance.ShowTooltip(this, TooltipTextLocalization);
        }

        public void OnPointerExit(PointerEventData eventData)
        {
            if (UITooltipController.Instance == null)
            {
                Debug.LogError("(UITooltipController)" + name + " you are trying to hide a tooltip but there is no tooltip controller in this scene(s)!");
                return;
            }

            UITooltipController.Instance.HideTooltip(this);
        }
    }
}