From ef27788cf5cdf784f746a1dbf787f2872bf845cd Mon Sep 17 00:00:00 2001
From: Vik Paruchuri <vik@edx.org>
Date: Fri, 4 Jan 2013 13:14:58 -0500
Subject: [PATCH] Initial display for open ended problem

---
 .../lib/xmodule/xmodule/open_ended_module.py  | 50 +++++++++++++++----
 lms/templates/open_ended.html                 | 10 ++--
 2 files changed, 46 insertions(+), 14 deletions(-)

diff --git a/common/lib/xmodule/xmodule/open_ended_module.py b/common/lib/xmodule/xmodule/open_ended_module.py
index 3da03520ab..8edf7e0828 100644
--- a/common/lib/xmodule/xmodule/open_ended_module.py
+++ b/common/lib/xmodule/xmodule/open_ended_module.py
@@ -573,25 +573,26 @@ class OpenEndedModule():
         Implement special logic: handle queueing state, and default input.
         """
         # if no student input yet, then use the default input given by the problem
-        if not self.value:
-            self.value = self.xml.text
+        latest_answer=self.latest_answer()
+        if latest_answer is None:
+            value = self.initial_display
 
         # Check if problem has been queued
         self.queue_len = 0
         # Flag indicating that the problem has been queued, 'msg' is length of queue
-        if self.status == 'incomplete':
-            self.status = 'queued'
-            self.queue_len = self.msg
-            self.msg = self.submitted_msg
+        if self.state == self.ASSESSING:
+            #self.queue_len = self.msg
+            #self.msg = self.submitted_msg
+            pass
 
         context={'rows' : 30,
                  'cols' : 80,
                  'hidden' : '',
                  'id' : 'open_ended',
-                 'msg' : self.msg,
-                 'status' : self.status,
+                 'msg' : "This is a message",
+                 'state' : self.state,
                  'queue_len' : self.queue_len,
-                 'value' : self.value,
+                 'value' : value,
                  }
 
         html=system.render_template("open_ended.html", context)
@@ -624,6 +625,37 @@ class OpenEndedModule():
             }
         return json.dumps(state)
 
+    def latest_answer(self):
+        """None if not available"""
+        if not self.history:
+            return None
+        return self.history[-1].get('answer')
+
+    def latest_score(self):
+        """None if not available"""
+        if not self.history:
+            return None
+        return self.history[-1].get('score')
+
+    def latest_hint(self):
+        """None if not available"""
+        if not self.history:
+            return None
+        return self.history[-1].get('hint')
+
+    def new_history_entry(self, answer):
+        self.history.append({'answer': answer})
+
+    def record_latest_score(self, score):
+        """Assumes that state is right, so we're adding a score to the latest
+        history element"""
+        self.history[-1]['score'] = score
+
+    def record_latest_hint(self, hint):
+        """Assumes that state is right, so we're adding a score to the latest
+        history element"""
+        self.history[-1]['hint'] = hint
+
 
 class OpenEndedDescriptor(XmlDescriptor, EditingDescriptor):
     """
diff --git a/lms/templates/open_ended.html b/lms/templates/open_ended.html
index c42ad73faf..a6ffc684da 100644
--- a/lms/templates/open_ended.html
+++ b/lms/templates/open_ended.html
@@ -1,4 +1,4 @@
-<section id="openended_${id}" class="openended">
+<section id="openended_${id}" class="openended" data-state="${state}">
   <textarea rows="${rows}" cols="${cols}" name="input_${id}" class="short-form-response" id="input_${id}"
        % if hidden:
       	    style="display:none;"
@@ -6,13 +6,13 @@
   >${value|h}</textarea>
 
   <div class="grader-status">
-    % if status == 'unsubmitted':
+    % if state == 'initial':
       <span class="unanswered" style="display:inline-block;" id="status_${id}">Unanswered</span>
-    % elif status == 'correct':
+    % elif state == 'done':
       <span class="correct" id="status_${id}">Correct</span>
-    % elif status == 'incorrect':
+    % elif state == 'incorrect':
       <span class="incorrect" id="status_${id}">Incorrect</span>
-    % elif status == 'queued':
+    % elif state == 'assessing':
       <span class="grading" id="status_${id}">Submitted for grading</span>
     % endif