upgrade

Assets/CoolapeFrame/Scripts/ui/NguiExtend/CLUILoopGrid.cs

@@ -150,6 +150,32 @@ namespace Coolape
 		object initCellCallback;
 		object onEndListCallback;
 		object onHeadListCallback;
+		public List<EventDelegate> OnShowHeadListCallbacks = new List<EventDelegate>();
+		public List<EventDelegate> OnHideHeadListCallbacks = new List<EventDelegate>();
+		public List<EventDelegate> OnEndListCallbacks = new List<EventDelegate>();
+
+		protected void ExecuteOnEndList()
+		{
+			if (EventDelegate.IsValid(OnEndListCallbacks))
+			{
+				EventDelegate.Execute(OnEndListCallbacks, gameObject);    // modify by chenbin
+			}
+		}
+		protected void ExecuteOnShowHeadList()
+		{
+			if (EventDelegate.IsValid(OnShowHeadListCallbacks))
+			{
+				EventDelegate.Execute(OnShowHeadListCallbacks, gameObject);    // modify by chenbin
+			}
+		}
+
+		protected void ExecuteOnHideHeadList()
+		{
+			if (EventDelegate.IsValid(OnHideHeadListCallbacks))
+			{
+				EventDelegate.Execute(OnHideHeadListCallbacks, gameObject);    // modify by chenbin
+			}
+		}
 
 		public void refreshContentOnly ()
 		{
@@ -469,7 +495,12 @@ namespace Coolape
 
 //			Debug.Log (int.Parse (head.name) + "=11===" + (list.Count - 1) + "===" + firstVislable);
 //			Debug.Log (int.Parse (tail.name) + "=22===" + (list.Count - 1) + "===" + lastVisiable);
-			if (firstVislable && int.Parse (head.name) > 0) {
+			if (firstVislable && int.Parse (head.name) > 0)
+			{
+				if (!isCanCallOnHeadList)
+				{
+					ExecuteOnHideHeadList();
+				}
 				isCanCallOnEndList = true;
 				isCanCallOnHeadList = true;
 				times--;
@@ -477,7 +508,12 @@ namespace Coolape
 				sourceIndex = itemList.Count - 1;
 				targetIndex = 0;
 				sign = 1;
-			} else if (lastVisiable && int.Parse (tail.name) < list.Count - 1) {
+			} else if (lastVisiable && int.Parse (tail.name) < list.Count - 1)
+			{
+				if (!isCanCallOnHeadList)
+				{
+					ExecuteOnHideHeadList();
+				}
 				isCanCallOnEndList = true;
 				isCanCallOnHeadList = true;
 				times++;
@@ -491,8 +527,13 @@ namespace Coolape
 						isCanCallOnHeadList = false;
 
 						Utl.doCallback (this.onHeadListCallback, head);
+						ExecuteOnShowHeadList();
 					}
 				} else {
+					if(!isCanCallOnHeadList)
+                    {
+						ExecuteOnHideHeadList();
+					}
 					isCanCallOnHeadList = true;
 				}
 				if (lastVisiable && int.Parse (tail.name) == list.Count - 1) {
@@ -501,8 +542,10 @@ namespace Coolape
 						isCanCallOnEndList = false;
 
 						Utl.doCallback (this.onEndListCallback, tail);
+						ExecuteOnEndList();
 					}
-				} else {
+				} else
+				{
 					isCanCallOnEndList = true;
 				}
 			}