Initial Checkin of new Re-Orderable List.

Still ToDo:
1: complete testing scenarios
2: Update Editor script to add new auto-create option

--HG--
branch : develop_5.2

Scripts/ReorderableList.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 281614f4c0e3b7a4d9056bd377134172
+folderAsset: yes
+timeCreated: 1446117980
+licenseType: Pro
+DefaultImporter:
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Scripts/ReorderableList/ReorderableList.cs

@@ -1,10 +1,14 @@
-using System;
+/// Credit Ziboo
-using UnityEngine;
+/// Sourced from - http://forum.unity3d.com/threads/free-reorderable-list.364600/
-using UnityEngine.Events;
-using UnityEngine.UI;
 
-public class ReorderableList : MonoBehaviour
+using System;
+using UnityEngine.Events;
+
+namespace UnityEngine.UI.Extensions
 {
+    [AddComponentMenu("UI/Extensions/Re-orderable list")]
+    public class ReorderableList : MonoBehaviour
+    {
         public LayoutGroup ContentLayout;
 
         public bool IsDraggable = true;
@@ -71,4 +75,5 @@ public class ReorderableList : MonoBehaviour
         }
 
         #endregion
+    }
 }

Scripts/ReorderableList/ReorderableListContent.cs

@@ -1,9 +1,13 @@
-using System.Collections;
+/// Credit Ziboo
-using System.Collections.Generic;
+/// Sourced from - http://forum.unity3d.com/threads/free-reorderable-list.364600/
-using UnityEngine;
 
-public class ReorderableListContent : MonoBehaviour
+using System.Collections;
+using System.Collections.Generic;
+
+namespace UnityEngine.UI.Extensions
 {
+    public class ReorderableListContent : MonoBehaviour
+    {
         private List<Transform> _cachedChildren;
         private List<ReorderableListElement> _cachedListElement;
         private ReorderableListElement _ele;
@@ -55,4 +59,5 @@ public class ReorderableListContent : MonoBehaviour
                 }
             }
         }
+    }
 }

Scripts/ReorderableList/ReorderableListDebug.cs

@@ -1,11 +1,10 @@
-using System;
+/// Credit Ziboo
-using UnityEngine;
+/// Sourced from - http://forum.unity3d.com/threads/free-reorderable-list.364600/
-using System.Collections;
-using UnityEngine.UI;
 
-public class ReorderableListDebug : MonoBehaviour
+namespace UnityEngine.UI.Extensions
 {
-
+    public class ReorderableListDebug : MonoBehaviour
+    {
         public Text DebugLabel;
 
         void Awake()
@@ -23,7 +22,8 @@ public class ReorderableListDebug : MonoBehaviour
             DebugLabel.text += "Is Clone ?: " + droppedStruct.IsAClone + "\n";
             if (droppedStruct.IsAClone)
                 DebugLabel.text += "Source Object: " + droppedStruct.SourceObject.name + "\n";
-        DebugLabel.text += string.Format("From {0} at Index {1} \n", droppedStruct.FromList.name,droppedStruct.FromIndex);
+            DebugLabel.text += string.Format("From {0} at Index {1} \n", droppedStruct.FromList.name, droppedStruct.FromIndex);
-        DebugLabel.text += string.Format("To {0} at Index {1} \n", droppedStruct.ToList.name,droppedStruct.ToIndex);
+            DebugLabel.text += string.Format("To {0} at Index {1} \n", droppedStruct.ToList.name, droppedStruct.ToIndex);
+        }
     }
 }

Scripts/ReorderableList/ReorderableListElement.cs

@@ -1,11 +1,15 @@
-using System.Collections.Generic;
+/// Credit Ziboo
-using UnityEngine;
+/// Sourced from - http://forum.unity3d.com/threads/free-reorderable-list.364600/
-using UnityEngine.EventSystems;
-using UnityEngine.UI;
 
-[RequireComponent(typeof (RectTransform))]
+using System.Collections.Generic;
-public class ReorderableListElement : MonoBehaviour, IDragHandler, IBeginDragHandler, IEndDragHandler
+using UnityEngine.EventSystems;
+
+namespace UnityEngine.UI.Extensions
 {
+
+    [RequireComponent(typeof(RectTransform))]
+    public class ReorderableListElement : MonoBehaviour, IDragHandler, IBeginDragHandler, IEndDragHandler
+    {
         private readonly List<RaycastResult> _raycastResults = new List<RaycastResult>();
         private ReorderableList _currentReorderableListRaycasted;
         private RectTransform _draggingObject;
@@ -206,4 +210,5 @@ public class ReorderableListElement : MonoBehaviour, IDragHandler, IBeginDragHan
             _reorderableList = reorderableList;
             _rect = GetComponent<RectTransform>();
         }
+    }
 }