test/Assets/PerfectWorld/Scripts/UI/SkillUI/AssignSkill.cs

using System;
using UnityEngine;
using UnityEngine.UI;

namespace BrewMonster
{
    public class AssignSkill : MonoBehaviour
    {
        [SerializeField] private Button learnedSkillButton;
        [SerializeField] private Button actionButton;
        [SerializeField] private Button itemSkillButton;
        [SerializeField] private Button buttonClose;
        [SerializeField] private GameObject learnSkillUIPanel;
        [SerializeField] private GameObject actionUIPanel;
        [SerializeField] private GameObject itemUIPanel;

        private void Awake()
        {
            learnedSkillButton.onClick.RemoveAllListeners();
            actionButton.onClick.RemoveAllListeners();
            itemSkillButton.onClick.RemoveAllListeners();
            learnedSkillButton.onClick.AddListener(OnLearnedSkillButtonClicked);
            actionButton.onClick.AddListener(OnActionButtonClicked);
            itemSkillButton.onClick.AddListener(OnItemButtonClicked);
            buttonClose.onClick.AddListener(OnCloseButtonClicked);
            actionButton.interactable = false;
            itemSkillButton.interactable = false;
        }
        void OnEnable()
        {
            learnSkillUIPanel.SetActive(true);
            actionUIPanel.SetActive(false);
            itemUIPanel.SetActive(false);
        }

        private void OnLearnedSkillButtonClicked()
        {
            learnSkillUIPanel.SetActive(true);
            actionUIPanel.SetActive(false);
            itemUIPanel.SetActive(false);
        }

        private void OnActionButtonClicked()
        {
            learnSkillUIPanel.SetActive(false);
            actionUIPanel.SetActive(true);
            learnSkillUIPanel.SetActive(false);
        }

        private void OnItemButtonClicked()
        {
            itemUIPanel.SetActive(true);
            actionUIPanel.SetActive(false);
            learnSkillUIPanel.SetActive(false);
        }

        private void OnCloseButtonClicked()
        {
            gameObject.SetActive(false);
        }
    }
}