From 229a23a2f427b73d4074b0ec5e2a005161f9fa24 Mon Sep 17 00:00:00 2001
From: Sam Minnee <sam@silverstripe.com>
Date: Sun, 16 Aug 2020 15:21:54 +1200
Subject: [PATCH] FIX: Transfrom editable columns to readonly on a readonly
 gridfield also.

---
 src/GridFieldEditableColumns.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/GridFieldEditableColumns.php b/src/GridFieldEditableColumns.php
index cffba22..10d4cc1 100644
--- a/src/GridFieldEditableColumns.php
+++ b/src/GridFieldEditableColumns.php
@@ -100,7 +100,7 @@ class GridFieldEditableColumns extends GridFieldDataColumns implements
         $field->setName($this->getFieldName($field->getName(), $grid, $record));
         $field->setValue($value);
 
-        if (!$record->canEdit()) {
+        if ($grid->isReadonly() || !$record->canEdit()) {
             $field = $field->performReadonlyTransformation();
         }