From b2e3fb635431df9bd2349d7813cd7c12eb05d9ad Mon Sep 17 00:00:00 2001
From: Benjamin Dalsass <95754414+bdalsass@users.noreply.github.com>
Date: Fri, 5 Jul 2024 09:10:19 +0200
Subject: [PATCH] =?UTF-8?q?N=C2=B07024=20-=20Fix=20opening=20an=20object?=
 =?UTF-8?q?=20with=20abstract=20class=20indirect=20linked=20set=20in=20Por?=
 =?UTF-8?q?tal?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../FieldRenderer/BsLinkedSetFieldRenderer.php       | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/sources/Renderer/Bootstrap/FieldRenderer/BsLinkedSetFieldRenderer.php b/sources/Renderer/Bootstrap/FieldRenderer/BsLinkedSetFieldRenderer.php
index 336607432..29b88c111 100644
--- a/sources/Renderer/Bootstrap/FieldRenderer/BsLinkedSetFieldRenderer.php
+++ b/sources/Renderer/Bootstrap/FieldRenderer/BsLinkedSetFieldRenderer.php
@@ -768,6 +768,15 @@ JS
 	 */
 	protected function InjectRendererFileAssets(string $sClass, array $aAttributesCodesToDisplay, $oOutput)
 	{
+		// handle abstract class
+		while(MetaModel::IsAbstract($sClass)){
+			$aChildClasses = MetaModel::EnumChildClasses($sClass);
+			if(count($aChildClasses) > 0){
+				$sClass = $aChildClasses[0];
+			}
+		}
+
+		// create a fake object to pass to renderers for retrieving global assets
 		$oItem = MetaModel::NewObject($sClass);
 
 		// Iterate throw attributes...
@@ -776,10 +785,13 @@ JS
 			// Retrieve attribute definition
 			$oAttDef = MetaModel::GetAttributeDef($sClass, $sAttCode);
 
+			// make form field from attribute
 			$oField = $oAttDef->MakeFormField($oItem);
 
+			// retrieve the form field renderer
 			$sFieldRendererClass = static::GetFieldRendererClass($oField);
 
+			// retrieve renderer global assets
 			if ($sFieldRendererClass !== null) {
 				/** @var FieldRenderer $oFieldRenderer */
 				$oFieldRenderer = new $sFieldRendererClass($oField);