From f6c21a4334b4d0f34884fa7cf36509c2867fed2b Mon Sep 17 00:00:00 2001
From: Jitendra Purohit <jitendra@fuzion.co.nz>
Date: Fri, 16 Feb 2018 11:15:17 +0530
Subject: [PATCH] Set readonly for the fields initialised in
 civicrm_settings.php

---
 CRM/Admin/Form/Setting.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/CRM/Admin/Form/Setting.php b/CRM/Admin/Form/Setting.php
index 89e2574084d2..f0d608f6dcfa 100644
--- a/CRM/Admin/Form/Setting.php
+++ b/CRM/Admin/Form/Setting.php
@@ -105,6 +105,11 @@ public function buildQuickForm() {
         else {
           $options = NULL;
         }
+        //Load input as readonly whose values are overridden in civicrm.settings.php.
+        if (Civi::settings()->getMandatory($setting)) {
+          $props['html_attributes']['readonly'] = TRUE;
+          $setStatus = TRUE;
+        }
 
         $add = 'add' . $props['quick_form_type'];
         if ($add == 'addElement') {
@@ -147,6 +152,9 @@ public function buildQuickForm() {
 
       }
     }
+    if (!empty($setStatus)) {
+      CRM_Core_Session::setStatus("Some fields are loaded as 'readonly' as they have been set (overridden) in civicrm.settings.php.", '', 'info', array('expires' => 0));
+    }
     // setting_description should be deprecated - see Mail.tpl for metadata based tpl.
     $this->assign('setting_descriptions', $descriptions);
     $this->assign('settings_fields', $settingMetaData);