Add categories and XModuleDescriptors for all module types that are used at the top level of a course

cms/djangoapps/contentstore/management/commands/import.py

@@ -32,7 +32,7 @@ class Command(BaseCommand):
 
         elements = list(course.iter())
 
-        tag_to_category = {# Inside HTML ==> Skip these
+        tag_to_category = {
             # Custom tags
             'videodev': 'Custom',
             'slides': 'Custom',
@@ -40,33 +40,44 @@ class Command(BaseCommand):
             'image': 'Custom',
             'discuss': 'Custom',
             # Simple lists
-            'chapter': 'Chapter',
+            'chapter': 'Week',
             'course': 'Course',
             'sequential': 'LectureSequence',
             'vertical': 'ProblemSet',
-            'section': 'Section',
+            'section': {
+                'Lab': 'Lab',
+                'Lecture Sequence': 'LectureSequence',
+                'Homework': 'Homework',
+                'Tutorial Index': 'TutorialIndex',
+                'Video': 'VideoSegment',
+                'Midterm': 'Exam',
+                'Final': 'Exam',
+                None: 'Section',
+            },
             # True types
             'video': 'VideoSegment',
             'html': 'HTML',
             'problem': 'Problem',
             }
 
-
-        name_index=0
+        name_index = 0
         for e in elements:
             name = e.attrib.get('name', None)
             for f in elements:
                 if f != e and f.attrib.get('name', None) == name:
                     name = None
             if not name:
-                name = "{tag}_{index}".format(tag = e.tag,index = name_index)
+                name = "{tag}_{index}".format(tag=e.tag, index=name_index)
                 name_index = name_index + 1
             if e.tag in tag_to_category:
                 category = tag_to_category[e.tag]
+                if isinstance(category, dict):
+                    category = category[e.get('format')]
                 category = category.replace('/', '-')
                 name = name.replace('/', '-')
-                e.set('url', 'i4x://mit.edu/6002xs12/{category}/{name}'.format(category = category, 
-                                                                               name = name))
+                e.set('url', 'i4x://mit.edu/6002xs12/{category}/{name}'.format(
+                    category=category,
+                    name=name))
 
 
         def handle_skip(e):

cms/templates/widgets/navigation.html

@@ -40,28 +40,19 @@
       <header>
         <h1><a href="#">${week.name}</a></h1>
         <ul>
-          <li class="goal editable"><strong>Goal title:</strong> This is a goal that will be in the header of the week</li>
-          <li class="goal editable"><strong>Goal title two:</strong> This is another goal for this week so that students have two things to learn</li>
+          % for goal in week.get_goals():
+          <li class="goal editable"><strong>${goal.name}:</strong>${goal.data}</li>
+          % endfor
         </ul>
       </header>
 
       <ul>
-        <li class="seq">
-          <a href="#" class="sequence-edit">Lecture Sequence</a>
-          <a href="#" class="draggable">handle</a>
-        </li>
-        <li class="seq">
-          <a href="#" class="sequence-edit">Lecture Sequence
-          <a href="#" class="draggable">handle</a>
-        </a></li>
-        <li class="lab">
-          <a href="#" class="lab-edit">Lab</a>
-          <a href="#" class="draggable">handle</a>
-        </li>
-        <li class="hw">
-          <a href="#">Homework</a>
-          <a href="#" class="draggable">handle</a>
+        % for module in week.get_non_goals():
+        <li class="${module.type}">
+            <a href="#" class="${module.type}-edit">${module.name}</a>
+            <a href="#" class="draggable">handle</a>
         </li>
+        % endfor
         <%include file="module-dropdown.html"/>
       </ul>
     </li>

common/lib/xmodule/seq_module.py

@@ -97,9 +97,22 @@ class Module(XModule):
         self.rendered = False
 
 
-class CourseModuleDescriptor(XModuleDescriptor):
-    pass
+class WeekDescriptor(XModuleDescriptor):
+
+    def get_goals(self):
+        """
+        Return a list of Goal XModuleDescriptors that are children
+        of this Week
+        """
+        return [child for child in self.get_children() if child.type == 'Goal']
+
+    def get_non_goals(self):
+        """
+        Return a list of non-Goal XModuleDescriptors that are children of
+        this Week
+        """
+        return [child for child in self.get_children() if child.type != 'Goal']
 
 
-class ChapterModuleDescriptor(XModuleDescriptor):
+class SectionDescriptor(XModuleDescriptor):
     pass

common/lib/xmodule/setup.py

@@ -7,8 +7,15 @@ setup(
     install_requires=['distribute'],
     entry_points={
         'xmodule.v1': [
-            "Course = seq_module:CourseModuleDescriptor",
-            "Chapter = seq_module:ChapterModuleDescriptor",
+            "Course = seq_module:SectionDescriptor",
+            "Week = seq_module:WeekDescriptor",
+            "Section = seq_module:SectionDescriptor",
+            "LectureSequence = seq_module:SectionDescriptor",
+            "Lab = seq_module:SectionDescriptor",
+            "Homework = seq_module:SectionDescriptor",
+            "TutorialIndex = seq_module:SectionDescriptor",
+            "Exam = seq_module:SectionDescriptor",
+            "VideoSegment = video_module:VideoSegmentDescriptor",
         ]
     }
 )

common/lib/xmodule/video_module.py

@@ -57,3 +57,7 @@ class Module(XModule):
 
         self.annotations=[(e.get("name"),self.render_function(e)) \
                       for e in xmltree]
+
+
+class VideoSegmentDescriptor(XModuleDescriptor):
+    pass

common/lib/xmodule/x_module.py

@@ -152,13 +152,18 @@ class XModuleDescriptor(Plugin):
         self.data = data if data is not None else {}
         self.children = children if children is not None else []
         self.name = Location(kwargs.get('location')).name
+        self.type = Location(kwargs.get('location')).category
         self._child_instances = None
 
-    def get_children(self):
+    def get_children(self, categories=None):
         """Returns a list of XModuleDescriptor instances for the children of this module"""
         if self._child_instances is None:
             self._child_instances = [self.load_item(child) for child in self.children]
-        return self._child_instances
+
+        if categories is None:
+            return self._child_instances
+        else:
+            return [child for child in self._child_instances if child.type in categories]
 
 
     def get_xml(self):