diff --git a/NeuroBits.m b/NeuroBits.m
index bb71a4b..5afaa35 100644
--- a/NeuroBits.m
+++ b/NeuroBits.m
@@ -77,7 +77,7 @@
             
             %% add controller
             addlistener(obj.widget_FolderBrowser, 'file', 'PostSet', @obj.fcnCallback_requestFile);
-            
+            addlistener(obj.widget_NeuroTree, 'event_treeExport', @obj.fcnCallback_requestTreeExport);
         end
         
         %% destructor
@@ -105,6 +105,15 @@ function delete(obj)
             
         end
         
+        %% request tree export
+        function obj = fcnCallback_requestTreeExport(obj, ~, ~)
+            
+            [filePath, fileName] = fileparts(obj.widget_FolderBrowser.file);
+            obj.widget_NeuroTree.filePath = filePath;
+            obj.widget_NeuroTree.fileName = fileName;
+            
+        end
+        
     end
     
     
diff --git a/widgets/WidgetImageBrowser b/widgets/WidgetImageBrowser
index 13ea9ff..e0e4aee 160000
--- a/widgets/WidgetImageBrowser
+++ b/widgets/WidgetImageBrowser
@@ -1 +1 @@
-Subproject commit 13ea9ff17ed5574c8ae1e8b63c2b30f0f4bbb44a
+Subproject commit e0e4aeeb23489debc01835d24bed8066e2e96dbf
diff --git a/widgets/WidgetNeuroTree b/widgets/WidgetNeuroTree
index 5332503..3331404 160000
--- a/widgets/WidgetNeuroTree
+++ b/widgets/WidgetNeuroTree
@@ -1 +1 @@
-Subproject commit 5332503f963dc80a43b082f4cde8bcdb9957e88d
+Subproject commit 3331404ee87d501b659b53d1cceb9d8d69b5d909