Rename "unsure" into "I don't understand" for quizz rating type

mentoring/answer.py

@@ -29,7 +29,8 @@ class AnswerBlock(XBlock):
     """
     student_input = Any(help="Last input submitted by the student", default="", scope=Scope.user_state)
     read_only = Boolean(help="Display as a read-only field", default=False, scope=Scope.content)
-    default_from = String(help="If specified, the name of the answer to get the default value from", default=None, scope=Scope.content)
+    default_from = String(help="If specified, the name of the answer to get the default value from",
+                          default=None, scope=Scope.content)
 
     def __init__(self, *args, **kwargs):
         super(AnswerBlock, self).__init__(*args, **kwargs)

mentoring/quizz.py

@@ -69,7 +69,7 @@ class QuizzBlock(XBlock):
         return Fragment(u"<p>I can only appear inside mentoring blocks.</p>")
 
     def mentoring_view(self, context=None):
-        if self.type not in ('yes-no-unsure', 'rating-unsure'):
+        if self.type not in ('yes-no-unsure', 'rating-understand'):
             raise ValueError, u'Invalid value for QuizzBlock.type: `{}`'.format(self.type)
 
         template_path = 'templates/html/quizz_{}.html'.format(self.type)
@@ -130,6 +130,7 @@ class QuizzTipBlock(XBlock):
     content = String(help="Text of the tip to provide if needed", scope=Scope.content, default="")
     display = String(help="List of choices to display the tip for", scope=Scope.content, default=None)
     reject = String(help="List of choices to reject", scope=Scope.content, default=None)
+    has_children = True
     
     def render(self, submission):
         """
@@ -153,8 +154,8 @@ class QuizzTipBlock(XBlock):
             quizz = self.runtime.get_block(self.parent)
             if quizz.type == 'yes-no-unsure':
                 return ['no', 'unsure']
-            elif quizz.type == 'rating-unsure':
-                return ['1', '2', '3', 'unsure']
+            elif quizz.type == 'rating-understand':
+                return ['1', '2', '3', 'understand']
         else:
             return reject
 

templates/html/quizz_rating-unsure.html → templates/html/quizz_rating-understand.html

@@ -19,7 +19,7 @@
     </span>
     <span class="low">{{ self.high }}</span>
     <span class="choice">
-      <label><input type="radio" name="{{ self.name }}" value="unsure"{% if self.student_choice == 'unsure' %} checked{% endif %}>Unsure</label>
+      <label><input type="radio" name="{{ self.name }}" value="understand"{% if self.student_choice == 'understand' %} checked{% endif %}>I don't understand</label>
     </span>
   </div>
 </fieldset>