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标题: UGUI事件监听工具类 [打印本页]

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作者: may    时间: 2015-6-28 02:34
标题: UGUI事件监听工具类

用法示例

1. using UnityEngine;
   
2. using System.Collections;
   
3. using UnityEngine.EventSystems;
   
4. using UnityEngine.UI;
   
5. public class ButtonTest : MonoBehaviour
   
6. {
   
7.    void Start()
   
8.     {
   
9.        UGUIEventListener.OnClick(gameObject, OnClick);
   
10.     }
    
11.    private void OnClick(BaseEventData eventData)
    
12.    {
    
13.        Debug.Log("被点击");
    
14.    }
    
15.   
    
16. }

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工具类

1. using UnityEngine;
   
2. using System.Collections;
   
3. using UnityEngine.EventSystems;
   
4. using UnityEngine.Events;
   
5. public class UGUIEventListener
   
6. {
   
7.     public static EventTrigger Get(GameObject go)
   
8.     {
   
9.         if (go == null)
   
10.         {
    
11.             return null;
    
12.         }
    
13.         EventTrigger trigger;
    
14.         trigger = go.GetComponent<EventTrigger>();
    
15.         if (trigger == null)
    
16.         {
    
17.             trigger = go.gameObject.AddComponent<EventTrigger>();
    
18.         }
    
19.         return trigger;
    
20.     }
    
21.     private static EventTrigger.Entry NewTrigger(EventTriggerType id,UnityAction<BaseEventData> callback)
    
22.     {
    
23.         EventTrigger.Entry entry = new EventTrigger.Entry();
    
24.         entry.eventID = id;
    
25.         entry.callback.AddListener(callback);
    
26.         return entry;
    
27.     }
    
28.     /// <summary>
    
29.     /// 添加监听
    
30.     /// </summary>
    
31.     /// <param name="mono"></param>
    
32.     /// <param name="eventType"></param>
    
33.     /// <param name="callback"></param>
    
34.     public static void OnEvent(GameObject go, EventTriggerType eventType, UnityAction<BaseEventData> callback)
    
35.     {
    
36.         EventTrigger trigger = Get(go);
    
37.         if (trigger == null)
    
38.         {
    
39.             return;
    
40.         }
    
41.         trigger.triggers.Add(NewTrigger(eventType, callback));
    
42.     }
    
43.     /// <summary>
    
44.     /// 移除指定类型的监听
    
45.     /// </summary>
    
46.     /// <param name="mono"></param>
    
47.     /// <param name="type"></param>
    
48.     /// <param name="callback"></param>
    
49.     public static void RemoveTrigger(GameObject go, EventTriggerType type, UnityAction<BaseEventData> callback)
    
50.     {
    
51.         EventTrigger trigger = Get(go);
    
52.         if (trigger == null)
    
53.         {
    
54.             return;
    
55.         }
    
56.         for(int i=0;i<trigger.triggers.Count;++i)
    
57.         {
    
58.             if (trigger.triggers[i].eventID == type)
    
59.             {
    
60.                 trigger.triggers[i].callback.RemoveListener(callback);
    
61.             }
    
62.         }
    
63.     }
    
64.     /// <summary>
    
65.     /// 移除所有该函数的监听
    
66.     /// </summary>
    
67.     /// <param name="mono"></param>
    
68.     /// <param name="callback"></param>
    
69.     public static void RemoveTrigger(GameObject go, UnityAction<BaseEventData> callback)
    
70.     {
    
71.         EventTrigger trigger = Get(go);
    
72.         if (trigger == null)
    
73.         {
    
74.             return;
    
75.         }
    
76.         for (int i = 0; i < trigger.triggers.Count; ++i)
    
77.         {
    
78.             trigger.triggers[i].callback.RemoveListener(callback);
    
79.         }
    
80.     }
    
81.     /// <summary>
    
82.     /// 开始拖动
    
83.     /// </summary>
    
84.     /// <param name="mono"></param>
    
85.     /// <param name="callback"></param>
    
86.     public static void OnBeginDrag(GameObject go, UnityAction<BaseEventData> callback)
    
87.     {
    
88.         OnEvent(go, EventTriggerType.BeginDrag, callback);
    
89.     }
    
90.     /// <summary>
    
91.     /// 取消
    
92.     /// </summary>
    
93.     /// <param name="mono"></param>
    
94.     /// <param name="callback"></param>
    
95.     public static void OnCancel(GameObject go, UnityAction<BaseEventData> callback)
    
96.     {
    
97.         OnEvent(go, EventTriggerType.Cancel, callback);
    
98.     }
    
99.     public static void OnDeselect(GameObject go, UnityAction<BaseEventData> callback)
    
100.     {
     
101.         OnEvent(go, EventTriggerType.Deselect, callback);
     
102.     }
     
103.     /// <summary>
     
104.     /// 拖动
     
105.     /// </summary>
     
106.     /// <param name="mono"></param>
     
107.     /// <param name="callback"></param>
     
108.     public static void OnDrag(GameObject go, UnityAction<BaseEventData> callback)
     
109.     {
     
110.         OnEvent(go, EventTriggerType.Drag, callback);
     
111.     }
     
112.     public static void OnDrop(GameObject go, UnityAction<BaseEventData> callback)
     
113.     {
     
114.         OnEvent(go, EventTriggerType.Drop, callback);
     
115.     }
     
116.     public static void OnEndDrag(GameObject go, UnityAction<BaseEventData> callback)
     
117.     {
     
118.         OnEvent(go, EventTriggerType.EndDrag, callback);
     
119.     }
     
120.     public static void OnInitializeDrag(GameObject go, UnityAction<BaseEventData> callback)
     
121.     {
     
122.         OnEvent(go, EventTriggerType.InitializePotentialDrag, callback);
     
123.     }
     
124.     public static void OnMove(GameObject go, UnityAction<BaseEventData> callback)
     
125.     {
     
126.         OnEvent(go, EventTriggerType.Move, callback);
     
127.     }
     
128.     public static void OnClick(GameObject go, UnityAction<BaseEventData> callback)
     
129.     {
     
130.         OnEvent(go, EventTriggerType.PointerClick, callback);
     
131.     }
     
132. 
     
133.     public static void OnDown(GameObject go, UnityAction<BaseEventData> callback)
     
134.     {
     
135.         OnEvent(go, EventTriggerType.PointerDown, callback);
     
136.     }
     
137.     public static void OnEnter(GameObject go, UnityAction<BaseEventData> callback)
     
138.     {
     
139.         OnEvent(go, EventTriggerType.PointerEnter, callback);
     
140.     }
     
141.     public static void OnExit(GameObject go, UnityAction<BaseEventData> callback)
     
142.     {
     
143.         OnEvent(go, EventTriggerType.PointerExit, callback);
     
144.     }
     
145.     public static void OnUp(GameObject go, UnityAction<BaseEventData> callback)
     
146.     {
     
147.         OnEvent(go, EventTriggerType.PointerUp, callback);
     
148.     }
     
149.     public static void OnScroll(GameObject go, UnityAction<BaseEventData> callback)
     
150.     {
     
151.         OnEvent(go, EventTriggerType.Scroll, callback);
     
152.     }
     
153.     public static void OnSelect(GameObject go, UnityAction<BaseEventData> callback)
     
154.     {
     
155.         OnEvent(go, EventTriggerType.Select, callback);
     
156.     }
     
157.     public static void OnSubmit(GameObject go, UnityAction<BaseEventData> callback)
     
158.     {
     
159.         OnEvent(go, EventTriggerType.Submit, callback);
     
160.     }
     
161.     public static void OnUpdateSelected(GameObject go, UnityAction<BaseEventData> callback)
     
162.     {
     
163.         OnEvent(go, EventTriggerType.UpdateSelected, callback);
     
164.     }
     
165. }
     

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