rimworld-animation-studio/Assets/Scripts/GUI/RequiresAnimationDef.cs

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

namespace RimWorldAnimationStudio
{
    public class RequiresAnimationDef : MonoBehaviour
    {
        private Button button;
        private List<Text> buttonText;
        private List<Color> buttonTextColor = new List<Color>();

        private void Start()
        {
            button = GetComponent<Button>();
            buttonText = GetComponentsInChildren<Text>()?.ToList();

            if (buttonText != null)
            {
                for (int i = 0; i < buttonText.Count; i++)
                { buttonTextColor.Add(buttonText[i].color); }
            }
        }

        private void Update()
        {
            button.interactable = Workspace.animationDef != null;

            for (int i = 0; i < buttonText.Count; i++)
            { buttonText[i].color = button.interactable ? buttonTextColor[i] : Constants.ColorMidGrey; }
        }
    }
}