From 8b7ef273b63de7f1baa7bb8e6bf6ff0d1aa53b61 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 18 Feb 2026 08:43:36 +0000
Subject: [PATCH 1/3] Initial plan


From df74374ba2ccc8f0b4935e0332209a464ab77525 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 18 Feb 2026 08:46:20 +0000
Subject: [PATCH 2/3] Delegate thumbnail URL generation to ElementService

Co-authored-by: brusch <142037+brusch@users.noreply.github.com>
---
 src/Service/GridData/Asset.php | 31 ++++---------------------------
 1 file changed, 4 insertions(+), 27 deletions(-)

diff --git a/src/Service/GridData/Asset.php b/src/Service/GridData/Asset.php
index 94e0de3b9..d3f1d18ea 100644
--- a/src/Service/GridData/Asset.php
+++ b/src/Service/GridData/Asset.php
@@ -13,6 +13,7 @@
 
 namespace Pimcore\Bundle\AdminBundle\Service\GridData;
 
+use Pimcore\Bundle\AdminBundle\Service\ElementService;
 use Pimcore\Model;
 use Pimcore\Model\Asset\MetaData\ClassDefinition\Data\Data;
 use Pimcore\Model\Element\Service;
@@ -90,7 +91,6 @@ public static function getData(Model\Asset $asset, ?array $fields = null, ?strin
     public static function getPreviewThumbnail(Model\Asset $asset, array $params = [], bool $onlyMethod = false): ?string
     {
         $thumbnailMethod = '';
-        $thumbnailUrl = null;
 
         if ($asset instanceof Model\Asset\Image) {
             $thumbnailMethod = 'getThumbnail';
@@ -104,32 +104,9 @@ public static function getPreviewThumbnail(Model\Asset $asset, array $params = [
             return $thumbnailMethod;
         }
 
-        if (!empty($thumbnailMethod)) {
-            // Get URL generator from service container
-            $urlGenerator = \Pimcore::getContainer()->get('router');
-
-            // Merge asset ID with params
-            $routeParams = array_merge(['id' => $asset->getId()], $params);
-
-            // Generate URL using the appropriate route
-            switch (true) {
-                case $asset instanceof Model\Asset\Image:
-                    $thumbnailUrl = $urlGenerator->generate('pimcore_admin_asset_getimagethumbnail', $routeParams);
-                    break;
-                case $asset instanceof Model\Asset\Video:
-                    $thumbnailUrl = $urlGenerator->generate('pimcore_admin_asset_getvideothumbnail', $routeParams);
-                    break;
-                case $asset instanceof Model\Asset\Document:
-                    $thumbnailUrl = $urlGenerator->generate('pimcore_admin_asset_getdocumentthumbnail', $routeParams);
-                    break;
-                case $asset instanceof Model\Asset\Folder:
-                    $thumbnailUrl = $urlGenerator->generate('pimcore_admin_asset_getfolderthumbnail', $routeParams);
-                    break;
-                default:
-                    break;
-            }
-        }
+        // Delegate to ElementService to keep list view and tile view behavior aligned
+        $elementService = \Pimcore::getContainer()->get(ElementService::class);
 
-        return $thumbnailUrl;
+        return $elementService->getThumbnailUrl($asset, $params);
     }
 }

From ac56bf30b281b12ee4f53cae8e03bdfded2d4827 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 18 Feb 2026 09:00:00 +0000
Subject: [PATCH 3/3] Add origin=folderPreview parameter to align with folder
 preview thumbnails

Co-authored-by: brusch <142037+brusch@users.noreply.github.com>
---
 src/Service/GridData/Asset.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Service/GridData/Asset.php b/src/Service/GridData/Asset.php
index d3f1d18ea..9846fe0c2 100644
--- a/src/Service/GridData/Asset.php
+++ b/src/Service/GridData/Asset.php
@@ -49,7 +49,7 @@ public static function getData(Model\Asset $asset, ?array $fields = null, ?strin
                 $fieldDef = explode('~', $field);
                 if (isset($fieldDef[1]) && $fieldDef[1] === 'system') {
                     if ($fieldDef[0] === 'preview') {
-                        $data[$field] = self::getPreviewThumbnail($asset, ['treepreview' => true, 'width' => 108, 'height' => 70, 'frame' => true]);
+                        $data[$field] = self::getPreviewThumbnail($asset, ['treepreview' => true, 'origin' => 'folderPreview', 'width' => 108, 'height' => 70, 'frame' => true]);
                     } elseif ($fieldDef[0] === 'size') {
                         $size = $asset->getFileSize();
                         $data[$field] = formatBytes($size);