From 1192e474c51eb968709e9fd42c90ec4a9e25ee7b Mon Sep 17 00:00:00 2001
From: Raphael Michel <mail@raphaelmichel.de>
Date: Tue, 20 Feb 2018 10:20:24 +0100
Subject: [PATCH] Prevent duplicate All/None links

---
 src/pretix/static/pretixcontrol/js/ui/main.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/pretix/static/pretixcontrol/js/ui/main.js b/src/pretix/static/pretixcontrol/js/ui/main.js
index 7f405b807f..500e7b41cd 100644
--- a/src/pretix/static/pretixcontrol/js/ui/main.js
+++ b/src/pretix/static/pretixcontrol/js/ui/main.js
@@ -234,7 +234,10 @@ var form_handlers = function (el) {
         dependency.closest('.form-group').find('input[name=' + dependency.attr("name") + ']').on("dp.change", update);
     });
 
-    el.find(".scrolling-multiple-choice").each(function () {
+    el.find("div.scrolling-multiple-choice").each(function () {
+        if ($(this).find(".choice-options-all").length > 0) {
+            return;
+        }
         var $small = $("<small>");
         var $a_all = $("<a>").addClass("choice-options-all").attr("href", "#").text(gettext("All"));
         var $a_none = $("<a>").addClass("choice-options-none").attr("href", "#").text(gettext("None"));