restrict move action

common/lib/xmodule/xmodule/library_content_module.py

@@ -338,6 +338,7 @@ class LibraryContentModule(LibraryContentFields, XModule, StudioEditableModule):
                     'display_name': self.display_name or self.url_name,
                 }))
                 context['can_edit_visibility'] = False
+                context['can_move'] = False
                 self.render_children(context, fragment, can_reorder=False, can_add=False)
         # else: When shown on a unit page, don't show any sort of preview -
         # just the status of this block in the validation area.

common/lib/xmodule/xmodule/library_root_xblock.py

@@ -80,6 +80,7 @@ class LibraryRoot(XBlock):
         children_to_show = self.children[item_start:item_end]  # pylint: disable=no-member
 
         force_render = context.get('force_render', None)
+        context['can_move'] = False
 
         for child_key in children_to_show:
             # Children must have a separate context from the library itself. Make a copy.