[NUI] Fix sibling issue (#20)

[platform/core/csapi/tizenfx.git] / src / Tizen.NUI / src / public / Layer.cs

diff --git a/src/Tizen.NUI/src/public/Layer.cs b/src/Tizen.NUI/src/public/Layer.cs
index f4be7f4..3a4b84d 100755 (executable)
--- a/src/Tizen.NUI/src/public/Layer.cs
+++ b/src/Tizen.NUI/src/public/Layer.cs
@@ -259,6 +259,8 @@ namespace Tizen.NUI
                     parentChildren[currentIdx] = temp;
                 }
             }
+            NDalicPINVOKE.Layer_Raise(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
         /// <summary>
@@ -282,16 +284,46 @@ namespace Tizen.NUI
 
                 }
             }
+            NDalicPINVOKE.Layer_Lower(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
         internal void RaiseAbove(Layer target)
         {
+            var parentChildren = Window.Instance.LayersChildren;
+            if (parentChildren != null)
+            {
+                int currentIndex = parentChildren.IndexOf(this);
+                int targetIndex = parentChildren.IndexOf(target);
+
+                // If the currentIndex is less than the target index and the target has the same parent.
+                if (currentIndex < targetIndex)
+                {
+                    parentChildren.Remove(this);
+                    parentChildren.Insert(targetIndex, this);
+                }
+            }
             NDalicPINVOKE.Layer_RaiseAbove(swigCPtr, Layer.getCPtr(target));
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
         internal void LowerBelow(Layer target)
         {
+            var parentChildren = Window.Instance.LayersChildren;
+
+            if (parentChildren != null)
+            {
+                int currentIndex = parentChildren.IndexOf(this);
+                int targetIndex = parentChildren.IndexOf(target);
+
+                // If the currentIndex is not already the 0th index and the target has the same parent.
+                if ((currentIndex != 0) && (targetIndex != -1) &&
+                    (currentIndex > targetIndex))
+                {
+                    parentChildren.Remove(this);
+                    parentChildren.Insert(targetIndex, this);
+                }
+            }
             NDalicPINVOKE.Layer_LowerBelow(swigCPtr, Layer.getCPtr(target));
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }