Don't display a select box if there is only one option to choose from

... instead display a readonly text field

app/views/resources/create.html.erb

@@ -41,7 +41,11 @@ allowed = [q['max'].to_i - q['cur'].to_i, 0].max
       <% end %>
       <%= case v
       when Array
-        select_tag('data_'+n, options_for_select(v), class: 'form-control')
+        if v.length == 1
+          text_field_tag('data_'+n, v, class: 'form-control', readonly: true)
+        else
+          select_tag('data_'+n, options_for_select(v), class: 'form-control')
+        end
       else
         text_field_tag('data_'+n, "", class: 'form-control')
       end %>