changes to make sneakpeek work with new tabs

common/lib/xmodule/xmodule/tabs.py

@@ -691,14 +691,18 @@ class CourseTabList(List):
                 return tab
         return None
 
+    SNEAKPEEK_TAB_TYPES = [CoursewareTab, CourseInfoTab, StaticTab, SyllabusTab]
+
     @staticmethod
-    def iterate_displayable(course, settings, is_user_authenticated=True, is_user_staff=True, include_instructor_tab=False):
+    def iterate_displayable(course, settings, is_user_authenticated=True, is_user_staff=True, is_user_sneakpeek=False, include_instructor_tab=False):
         """
         Generator method for iterating through all tabs that can be displayed for the given course and
         the given user with the provided access settings.
         """
         for tab in course.tabs:
-            if tab.can_display(course, settings, is_user_authenticated, is_user_staff):
+            if (tab.can_display(course, settings, is_user_authenticated, is_user_staff) and
+                    (not is_user_sneakpeek or
+                     any([isinstance(tab, t) for t in CourseTabList.SNEAKPEEK_TAB_TYPES]))):
                 if isinstance(tab, TextbookTabsBase):
                     for book in tab.books(course):
                         yield book

lms/templates/courseware/course_navigation.html

@@ -14,6 +14,7 @@ def url_class(is_active):
 %>
 <%! from xmodule.tabs import CourseTabList %>
 <%! from courseware.access import has_access %>
+<%! from student.models import UserProfile %>
 <%! from django.conf import settings %>
 <%! from django.core.urlresolvers import reverse %>
 <%! from django.utils.translation import ugettext as _ %>
@@ -38,7 +39,7 @@ def url_class(is_active):
 <nav class="${active_page} course-material">
   <div class="inner-wrapper">
     <ol class="course-tabs">
-      % for tab in CourseTabList.iterate_displayable(course, settings, user.is_authenticated(), has_access(user, course, 'staff'), include_instructor_tab=True):
+      % for tab in CourseTabList.iterate_displayable(course, settings, user.is_authenticated(), has_access(user, course, 'staff'), not UserProfile.has_registered(user), include_instructor_tab=True):
         <%
             tab_is_active = (tab.tab_id == active_page)
             tab_image = notification_image_for_tab(tab, user, course)