From 87660a87aedba0b97fd9f53a7e432b2f7094b842 Mon Sep 17 00:00:00 2001
From: Michael Devery <michael@compucorp.co.uk>
Date: Tue, 15 May 2018 12:13:54 +0100
Subject: [PATCH] dev/core#55 Hide option to delete option value for locked
 option group

---
 CRM/Core/BAO/CustomOption.php | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/CRM/Core/BAO/CustomOption.php b/CRM/Core/BAO/CustomOption.php
index 6cee5cf2eb..8a8a898b42 100644
--- a/CRM/Core/BAO/CustomOption.php
+++ b/CRM/Core/BAO/CustomOption.php
@@ -143,6 +143,18 @@ class CRM_Core_BAO_CustomOption {
         $class .= ' disabled';
         $action -= CRM_Core_Action::DISABLE;
       }
+
+      $isGroupLocked = (bool) CRM_Core_DAO::getFieldValue(
+        CRM_Core_DAO_OptionGroup::class,
+        $field->option_group_id,
+        'is_locked'
+      );
+
+      // disable deletion of option values for locked option groups
+      if ($isGroupLocked) {
+        $action -= CRM_Core_Action::DELETE;
+      }
+
       if (in_array($field->html_type, array('CheckBox', 'AdvMulti-Select', 'Multi-Select'))) {
         if (isset($defVal) && in_array($dao->value, $defVal)) {
           $options[$dao->id]['is_default'] = '<img src="' . $config->resourceBase . 'i/check.gif" />';
-- 
2.25.1