Question navigator implemented

Students can now move from one question to another through
the navigator window.
Also, the questions attempted will have different color then
the ones which are not attempted.

1 files changed, 53 insertions, 10 deletions

diff --git a/testapp/exam/views.py b/testapp/exam/views.py
index f94d383..94a5ffb 100644
--- a/testapp/exam/views.py
+++ b/testapp/exam/views.py
@@ -4,7 +4,7 @@ import os
 import stat
 from os.path import dirname, pardir, abspath, join, exists
 import datetime
-
+import collections
 from django.http import HttpResponse
 from django.contrib.auth import login, logout, authenticate
 from django.shortcuts import render_to_response, get_object_or_404, redirect
@@ -714,15 +714,36 @@ def question(request, q_id, attempt_no, questionpaper_id, success_msg=None):
     if time_left == 0:
         return complete(request, reason='Your time is up!')
     quiz_name = paper.question_paper.quiz.description
+    to_attempt = []
+    submitted = []
+    if paper.questions:
+        to_attempt = (paper.questions).split('|')
+    if paper.questions_answered:
+        submitted = (paper.questions_answered).split('|')
+    all_questions = []
+    if not to_attempt:
+        submitted.sort()
+        all_questions = submitted
+    if not submitted:
+        to_attempt.sort()
+        all_questions = to_attempt
+    if to_attempt and submitted:
+        q_append = to_attempt + submitted
+        q_append.sort()
+        all_questions = q_append
+    questions = {}
+    for num, value in enumerate(all_questions, 1):
+        print num, value
+        questions[value] = num
+    questions = collections.OrderedDict(sorted(questions.items()))
     if success_msg is None:
-        context = {'question': q, 'paper': paper, 'user': user,
-                   'quiz_name': quiz_name,
-                   'time_left': time_left, }
+        context = {'question': q, 'questions' : questions, 'paper': paper,
+                   'user': user, 'quiz_name': quiz_name, 'time_left': time_left,
+                   'to_attempt' : to_attempt, 'submitted': submitted}
     else:
-        context = {'question': q, 'paper': paper, 'user': user,
-                   'quiz_name': quiz_name,
-                   'time_left': time_left,
-                   'success_msg': success_msg}
+        context = {'question': q, 'questions' : questions, 'paper': paper,
+                   'user': user, 'quiz_name': quiz_name, 'time_left': time_left,
+                   'success_msg': success_msg, 'to_attempt' : to_attempt, 'submitted' : submitted}
     ci = RequestContext(request)
     return my_render_to_response('exam/question.html', context,
                                  context_instance=ci)
@@ -798,10 +819,32 @@ def check(request, q_id, attempt_no=None, questionpaper_id=None):
         if not paper.question_paper.quiz.active:
             reason = 'The quiz has been deactivated!'
             return complete(request, reason, attempt_no, questionpaper_id)
-        context = {'question': question, 'error_message': err_msg,
+        to_attempt = []
+        submitted = []
+        if paper.questions:
+            to_attempt = (paper.questions).split('|')
+        if paper.questions_answered:
+            submitted = (paper.questions_answered).split('|')
+        all_questions = []
+        if not to_attempt:
+            submitted.sort()
+            all_questions = submitted
+        if not submitted:
+            to_attempt.sort()
+            all_questions = to_attempt
+        if to_attempt and submitted:
+            q_append = to_attempt + submitted
+            q_append.sort()
+            all_questions = q_append
+        questions = {}
+        for num, value in enumerate(all_questions, 1):
+            questions[value] = num
+        questions = collections.OrderedDict(sorted(questions.items()))
+        context = {'question': question, 'questions': questions,
+                   'error_message': err_msg,
                    'paper': paper, 'last_attempt': user_code,
                    'quiz_name': paper.question_paper.quiz.description,
-                   'time_left': time_left}
+                   'time_left': time_left, 'to_attempt' : to_attempt, 'submitted': submitted}
         ci = RequestContext(request)
 
         return my_render_to_response('exam/question.html', context,