Virtual-Memory-Demo/Assets/Scripts/UI/SimulationDetailDrawerView.cs

using UnityEngine;
using UnityEngine.UI;

namespace VMdemo.UI
{
    public class SimulationDetailDrawerView : MonoBehaviour
    {
        [SerializeField] private GameObject drawerRoot;
        [SerializeField] private GameObject tablesTabRoot;
        [SerializeField] private GameObject eventsTabRoot;
        [SerializeField] private bool openOnStart;

        [Header("Drawer Buttons")] [SerializeField]
        private Button tablesTabButton;

        [SerializeField] private Button eventsTabButton;
        [SerializeField] private Button closeDrawerButton;

        private bool _isOpen;

        private void Awake()
        {
            BindButtons();
            _isOpen = openOnStart;
            ApplyDrawerState();
            
            ShowTablesTab();
        }

        public void ToggleDrawer()
        {
            _isOpen = !_isOpen;
            ApplyDrawerState();
        }

        public void OpenDrawer()
        {
            _isOpen = true;
            ApplyDrawerState();
        }

        public void CloseDrawer()
        {
            _isOpen = false;
            ApplyDrawerState();
        }

        public void ShowTablesTab()
        {
            SetActiveSafe(tablesTabRoot, true);
            SetActiveSafe(eventsTabRoot, false);
        }

        public void ShowEventsTab()
        {
            SetActiveSafe(tablesTabRoot, false);
            SetActiveSafe(eventsTabRoot, true);
        }

        private void BindButtons()
        {
            if (tablesTabButton != null)
            {
                tablesTabButton.onClick.RemoveAllListeners();
                tablesTabButton.onClick.AddListener(ShowTablesTab);
            }

            if (eventsTabButton != null)
            {
                eventsTabButton.onClick.RemoveAllListeners();
                eventsTabButton.onClick.AddListener(ShowEventsTab);
            }

            if (closeDrawerButton != null)
            {
                closeDrawerButton.onClick.RemoveAllListeners();
                closeDrawerButton.onClick.AddListener(CloseDrawer);
            }
        }

        private void ApplyDrawerState()
        {
            SetActiveSafe(drawerRoot, _isOpen);
        }

        private static void SetActiveSafe(GameObject target, bool active)
        {
            if (target != null)
            {
                target.SetActive(active);
            }
        }
    }
}