[其他] UGUI事件监听工具类

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发表于 2015-6-28 02:34:37 |只看该作者 |倒序浏览

用法示例

using UnityEngine;
using System.Collections;
using UnityEngine.EventSystems;
using UnityEngine.UI;
public class ButtonTest : MonoBehaviour
{
void Start()
{
UGUIEventListener.OnClick(gameObject, OnClick);
}
private void OnClick(BaseEventData eventData)
{
Debug.Log("被点击");
}
}

复制代码

工具类

using UnityEngine;
using System.Collections;
using UnityEngine.EventSystems;
using UnityEngine.Events;
public class UGUIEventListener
{
public static EventTrigger Get(GameObject go)
{
if (go == null)
{
return null;
}
EventTrigger trigger;
trigger = go.GetComponent<EventTrigger>();
if (trigger == null)
{
trigger = go.gameObject.AddComponent<EventTrigger>();
}
return trigger;
}
private static EventTrigger.Entry NewTrigger(EventTriggerType id,UnityAction<BaseEventData> callback)
{
EventTrigger.Entry entry = new EventTrigger.Entry();
entry.eventID = id;
entry.callback.AddListener(callback);
return entry;
}
/// <summary>
/// 添加监听
/// </summary>
/// <param name="mono"></param>
/// <param name="eventType"></param>
/// <param name="callback"></param>
public static void OnEvent(GameObject go, EventTriggerType eventType, UnityAction<BaseEventData> callback)
{
EventTrigger trigger = Get(go);
if (trigger == null)
{
return;
}
trigger.triggers.Add(NewTrigger(eventType, callback));
}
/// <summary>
/// 移除指定类型的监听
/// </summary>
/// <param name="mono"></param>
/// <param name="type"></param>
/// <param name="callback"></param>
public static void RemoveTrigger(GameObject go, EventTriggerType type, UnityAction<BaseEventData> callback)
{
EventTrigger trigger = Get(go);
if (trigger == null)
{
return;
}
for(int i=0;i<trigger.triggers.Count;++i)
{
if (trigger.triggers[i].eventID == type)
{
trigger.triggers[i].callback.RemoveListener(callback);
}
}
}
/// <summary>
/// 移除所有该函数的监听
/// </summary>
/// <param name="mono"></param>
/// <param name="callback"></param>
public static void RemoveTrigger(GameObject go, UnityAction<BaseEventData> callback)
{
EventTrigger trigger = Get(go);
if (trigger == null)
{
return;
}
for (int i = 0; i < trigger.triggers.Count; ++i)
{
trigger.triggers[i].callback.RemoveListener(callback);
}
}
/// <summary>
/// 开始拖动
/// </summary>
/// <param name="mono"></param>
/// <param name="callback"></param>
public static void OnBeginDrag(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.BeginDrag, callback);
}
/// <summary>
/// 取消
/// </summary>
/// <param name="mono"></param>
/// <param name="callback"></param>
public static void OnCancel(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.Cancel, callback);
}
public static void OnDeselect(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.Deselect, callback);
}
/// <summary>
/// 拖动
/// </summary>
/// <param name="mono"></param>
/// <param name="callback"></param>
public static void OnDrag(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.Drag, callback);
}
public static void OnDrop(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.Drop, callback);
}
public static void OnEndDrag(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.EndDrag, callback);
}
public static void OnInitializeDrag(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.InitializePotentialDrag, callback);
}
public static void OnMove(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.Move, callback);
}
public static void OnClick(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.PointerClick, callback);
}
public static void OnDown(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.PointerDown, callback);
}
public static void OnEnter(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.PointerEnter, callback);
}
public static void OnExit(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.PointerExit, callback);
}
public static void OnUp(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.PointerUp, callback);
}
public static void OnScroll(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.Scroll, callback);
}
public static void OnSelect(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.Select, callback);
}
public static void OnSubmit(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.Submit, callback);
}
public static void OnUpdateSelected(GameObject go, UnityAction<BaseEventData> callback)
{
OnEvent(go, EventTriggerType.UpdateSelected, callback);
}
}