DebugNavigationManager.cs

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

public class DebugNavigationManager : MonoBehaviour
{
    public AppManager _Appmanager;
    EventSystem system;
    public GameObject settingsPanel;
    public GameObject TrackingManager;
    public GameObject SettingManager;
    public GameObject initSelection;

    public bool inSettingMode = false;
    public bool findFirstSelectable = false;

    void Start()
    {
        system = EventSystem.current;
    }
    void Update()
    {   if(_Appmanager.isDebugging){
            ShortcutsForSetting();
            TabNavigation();
        }
    }
    public void ToggleSettingsPanel()
    {
        if (settingsPanel.activeSelf)
        {
            settingsPanel.SetActive(false);
            inSettingMode = false;
        }
        else
        {
            settingsPanel.SetActive(true);
            inSettingMode = true;
        }
    }
    public void ShortcutsForSetting()
    {
        // Ctrl + T to show setting panel.
        if (Input.GetKeyDown(KeyCode.T))
        {
            if (Input.GetKey(KeyCode.LeftControl))
            {
                ToggleSettingsPanel();
                if(inSettingMode){
                    InputField inputfield = initSelection.GetComponent<InputField>();
                    if (inputfield != null)inputfield.OnPointerClick(new PointerEventData(system));

                    system.SetSelectedGameObject(initSelection.gameObject, new BaseEventData(system));
                }
            }
        }
        if (inSettingMode)
        {
            // Ctrl + Y to Init Camera Calibration.
            if (Input.GetKeyDown(KeyCode.Y))
            {
                if (Input.GetKey(KeyCode.LeftControl))
                {
                    TrackingManager.GetComponent<CamCalibration>().CamCaliInit();
                }
            }
            // Ctrl + S to Save Settings.
            // Ctrl + Shift + S to Save Settings into Default Settings File.
            if (Input.GetKeyDown(KeyCode.S))
            {
                if (Input.GetKey(KeyCode.LeftControl))
                {
                    SettingManager.GetComponent<SettingManager>().SaveSettings(0);

                    if (Input.GetKey(KeyCode.LeftShift))
                    {
                        SettingManager.GetComponent<SettingManager>().SaveSettings(1);
                    }
                }
            }
            // Ctrl + L to Load Settings.
            // Ctrl + Shift + L to Load Settings from Default Settings File.
            if (Input.GetKeyDown(KeyCode.L))
            {
                if (Input.GetKey(KeyCode.LeftControl))
                {
                    SettingManager.GetComponent<SettingManager>().LoadSettings(0);
                    if (Input.GetKey(KeyCode.LeftShift))
                    {
                        SettingManager.GetComponent<SettingManager>().LoadSettings(1);
                    }
                }
            }
        }
    }
    private void TabNavigation()
    {
        if (inSettingMode)
        {
            if (Input.GetKeyDown(KeyCode.Tab))
            {
                if (Input.GetKey(KeyCode.LeftShift))
                {
                    Selectable prev = system.currentSelectedGameObject.GetComponent<Selectable>().FindSelectableOnLeft();
                    if (prev != null)
                    {
                        InputField inputfield = prev.GetComponent<InputField>();
                        if (inputfield != null)
                            inputfield.OnPointerClick(new PointerEventData(system));

                        system.SetSelectedGameObject(prev.gameObject, new BaseEventData(system));
                    }
                }
                else
                {
                    Selectable next = system.currentSelectedGameObject.GetComponent<Selectable>().FindSelectableOnRight();
                    if (next != null)
                    {
                        InputField inputfield = next.GetComponent<InputField>();
                        if (inputfield != null) inputfield.OnPointerClick(new PointerEventData(system));

                        system.SetSelectedGameObject(next.gameObject, new BaseEventData(system));
                    }
                }
            }
            if (Input.GetKeyDown(KeyCode.UpArrow))
            {
                Selectable up = system.currentSelectedGameObject.GetComponent<Selectable>().FindSelectableOnUp();
                if (up != null)
                {
                    InputField inputfield = up.GetComponent<InputField>();
                    if (inputfield != null) inputfield.OnPointerClick(new PointerEventData(system));

                    system.SetSelectedGameObject(up.gameObject, new BaseEventData(system));
                }
            }
            if (Input.GetKeyDown(KeyCode.DownArrow))
            {
                Selectable down = system.currentSelectedGameObject.GetComponent<Selectable>().FindSelectableOnDown();
                if (down != null)
                {
                    InputField inputfield = down.GetComponent<InputField>();
                    if (inputfield != null) inputfield.OnPointerClick(new PointerEventData(system));

                    system.SetSelectedGameObject(down.gameObject, new BaseEventData(system));
                }
            }
            if (Input.GetKeyDown(KeyCode.LeftArrow))
            {
                Selectable left = system.currentSelectedGameObject.GetComponent<Selectable>().FindSelectableOnLeft();
                if (left != null)
                {
                    InputField inputfield = left.GetComponent<InputField>();
                    if (inputfield != null) inputfield.OnPointerClick(new PointerEventData(system));

                    system.SetSelectedGameObject(left.gameObject, new BaseEventData(system));
                }
            }
            if (Input.GetKeyDown(KeyCode.RightArrow))
            {
                Selectable right = system.currentSelectedGameObject.GetComponent<Selectable>().FindSelectableOnRight();
                if (right != null)
                {
                    InputField inputfield = right.GetComponent<InputField>();
                    if (inputfield != null) inputfield.OnPointerClick(new PointerEventData(system));

                    system.SetSelectedGameObject(right.gameObject, new BaseEventData(system));
                }
            }
        }
    }
}