From 91a9962bef454d5ef626d3680a515a42a88a498b Mon Sep 17 00:00:00 2001
From: Vik Paruchuri <vik@edx.org>
Date: Fri, 4 Jan 2013 09:59:25 -0500
Subject: [PATCH] Improve next problem handling and state tracking

---
 .../xmodule/js/src/combinedopenended/display.coffee | 13 +++++++++----
 lms/templates/combined_open_ended.html              |  1 +
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee b/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee
index a7aee1b895..0e8cadd69f 100644
--- a/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee
+++ b/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee
@@ -7,6 +7,8 @@ class @CombinedOpenEnded
     @allow_reset = @el.data('allow_reset')
     @reset_button = @$('.reset-button')
     @reset_button.click @reset
+    @next_problem_button = @$('.next-step-button')
+    @next_problem_button.click @next_problem
     @combined_open_ended= @$('.combined-open-ended')
     # valid states: 'initial', 'assessing', 'post_assessment', 'done'
 
@@ -37,6 +39,7 @@ class @CombinedOpenEnded
     @submit_button.unbind('click')
     @submit_button.show()
     @reset_button.hide()
+    @next_problem_button.hide()
     @hint_area.attr('disabled', false)
     if @child_state == 'initial'
       @answer_area.attr("disabled", false)
@@ -54,10 +57,12 @@ class @CombinedOpenEnded
       @answer_area.attr("disabled", true)
       @hint_area.attr('disabled', true)
       @submit_button.hide()
-      if @allow_reset
-        @reset_button.show()
-      else
-        @reset_button.hide()
+      if !@state == 'done'
+        @next_problem_button.show()
+        if @allow_reset
+          @reset_button.show()
+        else
+          @reset_button.hide()
 
   find_assessment_elements: ->
     @assessment = @$('select.assessment')
diff --git a/lms/templates/combined_open_ended.html b/lms/templates/combined_open_ended.html
index 65a57b98eb..51afddcd15 100644
--- a/lms/templates/combined_open_ended.html
+++ b/lms/templates/combined_open_ended.html
@@ -5,5 +5,6 @@
     % endfor
 
     <input type="button" value="Reset" class="reset-button" name="reset"/>
+    <input type="button" value="Next Step" class="next-step-button" name="reset"/>
 </section>