using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using UnityEngine.UI;

using UnityEngine.EventSystems;

/// <summary>

/// ************************************本脚本挂在输入框上即可*********************************************

/// </summary>

public class Tabcoll : MonoBehaviour,ISelectHandler,IDeselectHandler {

public void OnDeselect(BaseEventData eventData)

{

_instacnet = false;

}

public void OnSelect(BaseEventData eventData)

{

_instacnet = true;

}

EventSystem system;

private bool _instacnet = false;

// Use this for initialization

void Start () {

system = EventSystem.current;

}

// Update is called once per frame

void Update () {

if (Input .GetKeyDown (KeyCode.Tab )&&_instacnet )

{

Selectable _Nect = null;

if (Input .GetKey (KeyCode.LeftShift )||Input.GetKey (KeyCode.RightShift ))

{

_Nect = system.currentSelectedGameObject.GetComponent<Selectable>().FindSelectableOnUp();

if (_Nect == null) _Nect = system.lastSelectedGameObject.GetComponent<Selectable>();

}

else

{

_Nect = system.currentSelectedGameObject.GetComponent<Selectable>().FindSelectableOnDown();

if (_Nect == null) _Nect = system.firstSelectedGameObject.GetComponent<Selectable>();

}

if (_Nect!=null)

{

InputField inputField = _Nect.GetComponent<InputField>();

system.SetSelectedGameObject(_Nect.gameObject, new BaseEventData(system));

}

else

{

Debug.LogError("没有下一个组件");

}

}

}

}