From 47171ee4c25f552fb7bac80c1666775c24bcaac0 Mon Sep 17 00:00:00 2001
From: Guy Sartorelli <guy.sartorelli@silverstripe.com>
Date: Tue, 15 Aug 2023 10:45:42 +1200
Subject: [PATCH] FIX Allow editing extra fields from ManyManyThroughList.

---
 src/GridFieldEditableColumns.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/GridFieldEditableColumns.php b/src/GridFieldEditableColumns.php
index c48eb16..e42be98 100644
--- a/src/GridFieldEditableColumns.php
+++ b/src/GridFieldEditableColumns.php
@@ -24,6 +24,7 @@
 use SilverStripe\ORM\DataObject;
 use SilverStripe\ORM\DataObjectInterface;
 use SilverStripe\ORM\ManyManyList;
+use SilverStripe\ORM\ManyManyThroughList;
 
 /**
  * Allows inline editing of grid field records without having to load a separate
@@ -165,7 +166,7 @@ public function handleSave(GridField $grid, DataObjectInterface $record)
                 }
             }
 
-            if ($list instanceof ManyManyList) {
+            if ($list instanceof ManyManyList || $list instanceof ManyManyThroughList) {
                 $extra = array_intersect_key($form->getData() ?? [], (array) $list->getExtraFields());
             }
 
@@ -250,7 +251,7 @@ public function getFields(GridField $grid, DataObjectInterface $record)
                 }
             }
 
-            if (!$field && $list instanceof ManyManyList) {
+            if (!$field && ($list instanceof ManyManyList || $list instanceof ManyManyThroughList)) {
                 $extra = $list->getExtraFields();
 
                 if ($extra && array_key_exists($col, $extra ?? [])) {