Allow to hide thank you note

app/views/request_for_comments/show.html.erb

@@ -30,9 +30,12 @@
           <%= t('request_for_comments.write_a_thank_you_node') %>
         </p>
         <textarea id="thank-you-note"></textarea>
-        <button class="btn btn-default" id="send-thank-you-note">
+        <button class="btn btn-primary" id="send-thank-you-note">
           <%= t('request_for_comments.send_thank_you_note') %>
         </button>
+        <button class="btn btn-default" id="cancel-thank-you-note">
+          <%= t('request_for_comments.cancel_thank_you_note') %>
+        </button>
       </div>
   <% elsif  (@request_for_comment.solved?) %>
       <button type="button" class="btn btn-success"><%= t('request_for_comments.solved') %></button>
@@ -77,7 +80,9 @@ also, all settings from the rails model needed for the editor configuration in t
 
   var solvedButton = $('#mark-as-solved-button');
   var commentOnExerciseButton = $('#comment-exercise-button');
-  var addCommentExerciseButton = $('#addCommentExerciseButton')
+  var addCommentExerciseButton = $('#addCommentExerciseButton');
+
+  var thankYouContainer = $('#thank-you-container');
 
   solvedButton.on('click', function(){
     $.ajax({
@@ -90,7 +95,7 @@ also, all settings from the rails model needed for the editor configuration in t
         solvedButton.addClass('btn-success');
         solvedButton.html('<%= t('request_for_comments.solved') %>');
         solvedButton.off('click');
-        $('#thank-you-container').show();
+        thankYouContainer.show();
       }
     });
   });
@@ -106,11 +111,15 @@ also, all settings from the rails model needed for the editor configuration in t
             note: value
         }
       }).done(function() {
-        $('#thank-you-container').hide();
+        thankYouContainer.hide();
       });
     }
   });
 
+  $('#cancel-thank-you-note').on('click', function () {
+    thankYouContainer.hide();
+  });
+
   // set file paths for ace
   var ACE_FILES_PATH = '/assets/ace/';
   _.each(['modePath', 'themePath', 'workerPath'], function(attribute) {

config/locales/de.yml

@@ -465,6 +465,7 @@ de:
     comment_exercise: "Ich möchte die Aufgabenstellung kommentieren"
     write_a_thank_you_node: "Wenn Sie möchten, können Sie sich bei allen Kommentierenden bedanken:"
     send_thank_you_note: "Senden"
+    cancel_thank_you_note: "Nichts senden"
   sessions:
     create:
       failure: Fehlerhafte E-Mail oder Passwort.

config/locales/en.yml

@@ -486,6 +486,7 @@ en:
     comment_exercise: "I would like to give feedback for this exercise"
     write_a_thank_you_node: "If you want, you can write a thank you note to all commentors:"
     send_thank_you_note: "Send"
+    cancel_thank_you_note: "Don't send"
   sessions:
     create:
       failure: Invalid email or password.