allow reference to Object Tree with '/' despite of binding source

diff --git a/src/CompilerServices/CompilerServices.cs b/src/CompilerServices/CompilerServices.cs
index bedb554f013b555aab81b12442b67801188365ec..b1b08d5ee4dda013fb11ca67b3406009e853699a 100644 (file)
--- a/src/CompilerServices/CompilerServices.cs
+++ b/src/CompilerServices/CompilerServices.cs
@@ -156,33 +156,40 @@ namespace go
 
                public static void ResolveBinding(DynAttribute binding, object _source)
                {                       
-                       object srcGO = _source;
+                       object srcGO = null;
                        string statement = binding.Value;
 
-                       Type srcType = _source.GetType ();
-                       Type dstType = binding.Source.GetType ();
+                       if (statement.StartsWith ("/"))//binding is done in graphic object tree, _source param is ignore
+                               srcGO = binding.Source;
+                       else
+                               srcGO = _source;
 
-                       MemberInfo miDst = dstType.GetMember (binding.MemberName).FirstOrDefault ();
                        string[] bindingExp = binding.Value.Split ('/');
-                       MemberInfo miSrc;
+
                        if (bindingExp.Length > 1){
                                int i = 0;
                                srcGO = binding.Source; //starts parsing from current GO
-                               while (bindingExp [i] == "..") {
-                                       srcGO = (srcGO as ILayoutable).Parent as GraphicObject;
+                               while (i < bindingExp.Length - 1) {
+                                       if (bindingExp [i] == "..")
+                                               srcGO = (srcGO as ILayoutable).Parent as GraphicObject;
+                                       else
+                                               srcGO = (srcGO as GraphicObject).FindByName (bindingExp [i]);
                                        i++;
                                }
                                string[] bindTrg = bindingExp [i].Split ('.');
-                               if (bindTrg.Length == 1)
-                                       srcType = srcGO.GetType ();
-                               else {
+
+                               if (bindTrg.Length == 2) {
                                        srcGO = (srcGO as GraphicObject).FindByName (bindTrg [0]);
-                                       srcType = srcGO.GetType ();
-                               }
-                               statement = bindTrg.LastOrDefault ();
+                                       statement = bindTrg [1];
+                               } else
+                                       throw new Exception ("Syntax error in binding, expected 'go dot member'");
                        }
-                       miSrc = srcType.GetMember (statement).FirstOrDefault ();
-                               
+
+                       Type srcType = srcGO.GetType ();
+                       Type dstType = binding.Source.GetType ();
+
+                       MemberInfo miSrc = srcType.GetMember (statement).FirstOrDefault ();
+                       MemberInfo miDst = dstType.GetMember (binding.MemberName).FirstOrDefault ();
 
                        #region initialize target with actual value
                        object srcVal = null;