From ef3a048af52e5ff9b06af337e5a119ca00295f3c Mon Sep 17 00:00:00 2001
From: Tim Mallezie <tim.mallezie@chiro.be>
Date: Mon, 20 Apr 2015 08:24:25 +0200
Subject: [PATCH] add allowClear attribute

---
 CRM/Core/Form.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/CRM/Core/Form.php b/CRM/Core/Form.php
index 3568b2d62f..3a05f9884e 100644
--- a/CRM/Core/Form.php
+++ b/CRM/Core/Form.php
@@ -1257,7 +1257,10 @@ class CRM_Core_Form extends HTML_QuickForm_Page {
       case 'Radio':
         $separator = isset($props['separator']) ? $props['separator'] : NULL;
         unset($props['seperator']);
-        $this->addRadio($name, $label, $options, NULL, $separator, $required);
+        if (!isset($props['allowClear'])) {
+          $attributes['allowClear'] = !$required;
+        }
+        $this->addRadio($name, $label, $options, $attributes, $separator, $required);
         break;
 
       case 'Select':
-- 
2.25.1