Unity UI Tip - Text Style Setting

TextStyle.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

[ExecuteInEditMode]
[RequireComponent(typeof(Text))]
public class TextStyle : MonoBehaviour
{
    [SerializeField] protected TextStyleSetting.Style m_style;

    void UpdateTextWithStyle() {
        if(TextStyleSetting.setting == null) {
            Debug.LogWarning("TextStyle: cannot load the text setting");
            return;
        }

        Text text = GetComponent<Text>();
        if(text == null) {
            Debug.LogWarning("TextStyle: no text component");
            return;
        }

        TextStyleSetting.Setting setting = TextStyleSetting.setting.GetSetting(m_style);
        if(setting.fontSize > 0) {
            text.fontSize = setting.fontSize;
        }
        if(setting.fontType != null) {
            text.font = setting.fontType;
        }
    }

     void OnValidate()
     {
         //Debug.Log("TextStyle.OnValidate: is called");
         UpdateTextWithStyle();
     }

    // Start is called before the first frame update
    void Start()
    {
        UpdateTextWithStyle();
    }

    // Update is called once per frame
    void Update()
    {
        
    }
}

TextStyleSetting.cs

using UnityEngine;
using UnityEngine.UI;
using System.Collections;


// note: 1. Create the Scriptable Object
//       2. Set font and font size for each style
//       3. Move it to Resources folder
[CreateAssetMenu(fileName = "TextStyleSetting",  menuName = "TextStyle/Setting", order = 1)]
public class TextStyleSetting : ScriptableObject {
    [System.Serializable]
    public struct Setting {
        [Range(1, 50)] public int fontSize;
        public Font fontType;

        public override string ToString() {
            return "fontSize=" + fontSize + " fontType=" + fontType;
        }
    }

    public enum Style {
        Title,
        Heading1,
        Heading2,
        Heading3,
        Body,
    }


    public Setting title;
    public Setting heading1;
    public Setting heading2;
    public Setting heading3;
    public Setting body;

    public Setting GetSetting(Style style) {
        if(Style.Title == style) {
            return title; 
        } else if(Style.Heading1 == style) {
            return heading1; 
        } else if(Style.Heading2 == style) {
            return heading2; 
        } else if(Style.Heading3 == style) {
            return heading3;             
        } else {
            return body;
        }
    }
    
    public string Info() {
        string info = "";

        info += "title=" + title.ToString();


        return info;
    }



    private static TextStyleSetting s_setting = null;

    public static TextStyleSetting setting {
        get {
            if(s_setting == null) {
                s_setting = Resources.Load<TextStyleSetting>("TextStyleSetting");
            }
            return s_setting;
        }
    }
}