From 66a404ad1a83ca2f26c5f968935503306eb54578 Mon Sep 17 00:00:00 2001
From: Will Rossiter <will@fullscreen.io>
Date: Wed, 24 Oct 2018 12:11:57 +1300
Subject: [PATCH] FIX use Injector for FormField::castedCopy

Allows LookupField to be replaced with user specificed classes.
---
 src/Forms/FormField.php                  | 2 +-
 src/Forms/TreeDropdownField_Readonly.php | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Forms/FormField.php b/src/Forms/FormField.php
index 632335391..5a9b65bef 100644
--- a/src/Forms/FormField.php
+++ b/src/Forms/FormField.php
@@ -1424,7 +1424,7 @@ class FormField extends RequestHandler
         $field = $classOrCopy;
 
         if (!is_object($field)) {
-            $field = new $classOrCopy($this->name);
+            $field = $classOrCopy::create($this->name);
         }
 
         $field
diff --git a/src/Forms/TreeDropdownField_Readonly.php b/src/Forms/TreeDropdownField_Readonly.php
index fed1a1765..c51867098 100644
--- a/src/Forms/TreeDropdownField_Readonly.php
+++ b/src/Forms/TreeDropdownField_Readonly.php
@@ -17,7 +17,7 @@ class TreeDropdownField_Readonly extends TreeDropdownField
         }
 
         $source = [ $this->value => $title ];
-        $field = new LookupField($this->name, $this->title, $source);
+        $field = LookupField::create($this->name, $this->title, $source);
         $field->setValue($this->value);
         $field->setForm($this->form);
         return $field->Field();