refactor: use Localizedfield::setGetFallbackValues instead of manual fallback chain

Author: markus-moser

src/Grid/Util/Trait/LocalizedValueTrait.php

@@ -14,8 +14,8 @@
 namespace Pimcore\Bundle\StudioBackendBundle\Grid\Util\Trait;
 
 use Pimcore\Bundle\StudioBackendBundle\Grid\Schema\Column;
+use Pimcore\Model\DataObject\Localizedfield;
 use Pimcore\Model\Element\ElementInterface;
-use Pimcore\Tool;
 
 /**
  * @internal
@@ -26,23 +26,12 @@ private function getLocalizedValue(Column $column, ElementInterface $element): m
     {
         $getter = $this->getGetter($column->getKey());
         if ($column->getLocale()) {
-            $value = $element->$getter($column->getLocale());
-
-            if ($column->getApplyFallbackLanguages() && $this->isEmptyValue($value)) {
-                $fallbackLocales = Tool::getFallbackLanguagesFor($column->getLocale());
-
-                // Also try the system default language as a final fallback
-                $defaultLanguage = Tool::getDefaultLanguage();
-                if ($defaultLanguage !== null && $defaultLanguage !== $column->getLocale() && !in_array($defaultLanguage, $fallbackLocales, true)) {
-                    $fallbackLocales[] = $defaultLanguage;
-                }
-
-                foreach ($fallbackLocales as $fallbackLocale) {
-                    $value = $element->$getter($fallbackLocale);
-                    if (!$this->isEmptyValue($value)) {
-                        break;
-                    }
-                }
+            if ($column->getApplyFallbackLanguages()) {
+                Localizedfield::setGetFallbackValues(true);
+                $value = $element->$getter($column->getLocale());
+                Localizedfield::setGetFallbackValues(false);
+            } else {
+                $value = $element->$getter($column->getLocale());
             }
 
             return $value;
@@ -65,9 +54,4 @@ private function getGetter(string $key): string
     {
         return 'get' . ucfirst($key);
     }
-
-    private function isEmptyValue(mixed $value): bool
-    {
-        return $value === null || $value === '' || $value === [];
-    }
 }