Merge pull request #1409 from ix5/delete-fixes

Prevent <escape> key from confirming deletions

flask_admin/templates/bootstrap3/admin/model/list.html

@@ -202,5 +202,22 @@
                 );
             {% endif %}
         })(jQuery);
+
+        // Catch exception when closing dialog with <esc> key
+        // and prevent accidental deletions.
+        function safeConfirm(msg) {
+          try {
+            var isconfirmed = confirm(msg);
+            if (isconfirmed == true) {
+              return true;
+            }
+            else {
+              return false;
+            }
+          }
+          catch(err) {
+            return false;
+          }
+        }
     </script>
 {% endblock %}

flask_admin/templates/bootstrap3/admin/model/row_actions.html

@@ -31,7 +31,7 @@
   {% elif csrf_token %}
   <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
   {% endif %}
-  <button onclick="return confirm('{{ _gettext('Are you sure you want to delete this record?') }}');" title="Delete record">
+  <button onclick="return safeConfirm('{{ _gettext('Are you sure you want to delete this record?') }}');" title="Delete record">
     <span class="fa fa-trash glyphicon glyphicon-trash"></span>
   </button>
 </form>