rabidus-test/Assets/UITextDisplayBase.cs

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

[RequireComponent(typeof(TMPro.TextMeshProUGUI))]
public class UITextDisplayBase : MonoBehaviour
{
    protected TMPro.TextMeshProUGUI _text;
    protected ITextChangable _textChanger;
    [SerializeField]
    protected string _defaultValue = string.Empty;
    [SerializeField]
    protected string _prefix;
    [SerializeField]
    protected string _postfix;

    protected virtual void Awake()
    {
        _text = GetComponent<TMPro.TextMeshProUGUI>();
        _text.SetText(_defaultValue);
    }

    protected virtual void OnEnable()
    {
        _textChanger.OnTextChange.AddListener(UpdateText);
    }

    protected virtual void OnDisable()
    {
        _textChanger.OnTextChange.RemoveListener(UpdateText);
    }

    private void UpdateText(object obj)
    {
        _text.SetText(_prefix + obj.ToString() + _postfix);
    }
}