Rename reset to try again, hide and disable submit buttons

common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee

@@ -357,8 +357,8 @@ class @CombinedOpenEnded
 
   save_answer: (event) =>
     @submit_button.attr("disabled",true)
-    event.preventDefault()
     @submit_button.hide()
+    event.preventDefault()
     @answer_area.attr("disabled", true)
     max_filesize = 2*1000*1000 #2MB
     pre_can_upload_files = @can_upload_files
@@ -404,6 +404,8 @@ class @CombinedOpenEnded
       @is_ctrl=false
 
   save_assessment: (event) =>
+    @submit_button.attr("disabled",true)
+    @submit_button.hide()
     event.preventDefault()
     if @child_state == 'assessing' && @rub.check_complete()
       checked_assessment = @rub.get_total_score()

common/lib/xmodule/xmodule/js/src/peergrading/peer_grading_problem.coffee

@@ -322,10 +322,12 @@ class @PeerGradingProblem
 
   submit_calibration_essay: ()=>
     data = @construct_data()
+    @submit_button.hide()
     @backend.post('save_calibration_essay', data, @calibration_callback)
 
   submit_grade: () =>
     data = @construct_data()
+    @submit_button.hide()
     @backend.post('save_grade', data, @submission_callback)
 
 
@@ -448,6 +450,7 @@ class @PeerGradingProblem
 
       @feedback_area.val("")
 
+      @submit_button.show()
       @submit_button.unbind('click')
       @submit_button.click @submit_calibration_essay
       @scroll_to_top()
@@ -477,6 +480,7 @@ class @PeerGradingProblem
       @answer_unknown_container.show()
       @feedback_area.val("")
       
+      @submit_button.show()
       @submit_button.unbind('click')
       @submit_button.click @submit_grade
       @scroll_to_top()

lms/templates/combinedopenended/combined_open_ended.html

@@ -39,7 +39,7 @@
             </div>
             <div class="oe-tools response-tools">
                 <span class="oe-tools-label"></span>
-                <input type="button" value="${_('Reset')}" class="reset-button" name="reset"/>
+                <input type="button" value="${_('Try Again')}" class="reset-button" name="reset"/>
             </div>
         </div>