From fca6c3f65aade1257cf1b795076f28808605dc48 Mon Sep 17 00:00:00 2001
From: William Herry <WilliamHerryChina@Gmail.com>
Date: Fri, 21 Jul 2017 22:28:23 +0800
Subject: [PATCH] Fix #2398: Broken Client Side Validation for filtering select

---
 app/assets/javascripts/rails_admin/ra.filtering-select.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/assets/javascripts/rails_admin/ra.filtering-select.js b/app/assets/javascripts/rails_admin/ra.filtering-select.js
index e85dd052a4..657d6c5753 100644
--- a/app/assets/javascripts/rails_admin/ra.filtering-select.js
+++ b/app/assets/javascripts/rails_admin/ra.filtering-select.js
@@ -189,6 +189,11 @@
         input.attr('placeholder', this.element.attr('placeholder'));
       }
 
+      if (this.element.attr('required')) {
+        input.attr('required', this.element.attr('required'));
+        this.element.attr('required', false);
+      }
+
       return input;
     },