Disable ace editor for output-only problem

judge/views/problem.py

@@ -1194,6 +1194,7 @@ def problem_submit(request, problem, submission=None):
             "ACE_URL": settings.ACE_URL,
             "default_lang": default_lang,
             "problem_id": problem.id,
+            "output_only": problem.data_files.output_only,
         },
     )
 

templates/problem/submit.html

@@ -21,6 +21,9 @@
         }
 
         function update_language_template() {
+          {% if output_only %}
+            window.ace_source.env.editor.setReadOnly(true);
+          {% else %}
             var source = $('textarea#id_source');
             if (source.val() == window.previous_template.replace(/\r/g, '') || source.val() == '') {
               var lang_id = $('#id_language').val();
@@ -37,6 +40,7 @@
                 });
               }
             }
+          {% endif %}
         }
 
         function makeDisplayData(data) {