From 928f6a9651e75ce7bfd5ac813f3a988149d26b5b Mon Sep 17 00:00:00 2001
From: yashodha <yashodha@cividesk.com>
Date: Fri, 13 Sep 2019 14:52:27 +0530
Subject: [PATCH] CRM-21777 - Set readonly for the smtp fields initialised in
 civicrm_settings.php

---
 CRM/Admin/Form/Setting/Smtp.php | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/CRM/Admin/Form/Setting/Smtp.php b/CRM/Admin/Form/Setting/Smtp.php
index 45dc52dcce..27a2a83121 100644
--- a/CRM/Admin/Form/Setting/Smtp.php
+++ b/CRM/Admin/Form/Setting/Smtp.php
@@ -54,14 +54,24 @@ class CRM_Admin_Form_Setting_Smtp extends CRM_Admin_Form_Setting {
     ];
     $this->addRadio('outBound_option', ts('Select Mailer'), $outBoundOption);
 
+    $props = array();
+    $settings = Civi::settings()->getMandatory('mailing_backend');
+    //Load input as readonly whose values are overridden in civicrm.settings.php.
+    foreach ($settings as $setting => $value) {
+      if (isset($value)) {
+        $props[$setting]['readonly'] = TRUE;
+        $setStatus = TRUE;
+      }
+    }
+
     CRM_Utils_System::setTitle(ts('Settings - Outbound Mail'));
     $this->add('text', 'sendmail_path', ts('Sendmail Path'));
     $this->add('text', 'sendmail_args', ts('Sendmail Argument'));
-    $this->add('text', 'smtpServer', ts('SMTP Server'));
-    $this->add('text', 'smtpPort', ts('SMTP Port'));
-    $this->addYesNo('smtpAuth', ts('Authentication?'));
-    $this->addElement('text', 'smtpUsername', ts('SMTP Username'));
-    $this->addElement('password', 'smtpPassword', ts('SMTP Password'));
+    $this->add('text', 'smtpServer', ts('SMTP Server'), CRM_Utils_Array::value('smtpServer', $props));
+    $this->add('text', 'smtpPort', ts('SMTP Port'), CRM_Utils_Array::value('smtpPort', $props));
+    $this->addYesNo('smtpAuth', ts('Authentication?'), CRM_Utils_Array::value('smtpAuth', $props));
+    $this->addElement('text', 'smtpUsername', ts('SMTP Username'), CRM_Utils_Array::value('smtpUsername', $props));
+    $this->addElement('password', 'smtpPassword', ts('SMTP Password'), CRM_Utils_Array::value('smtpPassword', $props));
 
     $this->_testButtonName = $this->getButtonName('refresh', 'test');
 
@@ -70,6 +80,10 @@ class CRM_Admin_Form_Setting_Smtp extends CRM_Admin_Form_Setting {
     $buttons = $this->getElement('buttons')->getElements();
     $buttons[] = $this->createElement('submit', $this->_testButtonName, ts('Save & Send Test Email'), ['crm-icon' => 'fa-envelope-o']);
     $this->getElement('buttons')->setElements($buttons);
+
+    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));
+    }
   }
 
   /**
-- 
2.25.1