Do not delete comment containers; replace them with success message. This also fixes a visual bug when deleting the last comment

app/assets/stylesheets/request-for-comments.css.scss

@@ -90,6 +90,12 @@
     border: 1px solid #cccccc;
     padding: 15px;
 
+    .comment-removed {
+      margin-top: 20px;
+      margin-bottom: 20px;
+      font-style: italic;
+    }
+
     .popover-actions {
       display: flex;
 

app/views/request_for_comments/show.html.erb

@@ -308,11 +308,7 @@ also, all settings from the rails model needed for the editor configuration in t
           var commentId = $(event.target).data('comment-id');
           deleteComment(commentId, editor, fileid, function () {
             var parent = $(button).parent().parent();
-            parent.siblings().first().remove(); // potential divider
-            parent.remove(); // the comment itself
-            if (container.html() === '') {
-              otherComments.hide();
-            }
+            parent.html('<div class="comment-removed"><%= t('comments.deleted') %></div>');
           });
         });
       });

config/locales/de.yml

@@ -156,6 +156,9 @@ de:
       user_exercise_feedback:
         one: Feedback
         other: Feedback
+      comment:
+        one: Kommentar
+        other: Kommentare
     errors:
       messages:
         together: 'muss zusammen mit %{attribute} definiert werden'
@@ -584,4 +587,6 @@ de:
     estimated_time_20_to_30: "zwischen 20 und 30 Minuten"
     estimated_time_more_30: "mehr als 30 Minuten"
     working_time: "Geschätze Bearbeitungszeit für diese Aufgabe:"
+  comments:
+    deleted: "Gelöscht"
 

config/locales/en.yml

@@ -177,6 +177,9 @@ en:
       user_exercise_feedback:
         one: Feedback
         other: Feedback
+      comment:
+        one: Comment
+        other: Comments
     errors:
       messages:
         together: 'has to be set along with %{attribute}'
@@ -605,3 +608,5 @@ en:
     estimated_time_20_to_30: "between 20 and 30 minutes"
     estimated_time_more_30: "more than 30 minutes"
     working_time: "Estimated time working on this exercise:"
+  comments:
+    deleted: "Deleted"