Add category filter

Author: BurntimeX

wcfsetup/install/files/lib/system/gridView/admin/LanguageItemGridView.class.php

@@ -5,6 +5,7 @@
 use wcf\acp\action\LanguageItemEditAction;
 use wcf\data\DatabaseObject;
 use wcf\data\DatabaseObjectList;
+use wcf\data\language\category\LanguageCategoryList;
 use wcf\data\language\item\LanguageItem;
 use wcf\data\language\item\LanguageItemList;
 use wcf\data\language\Language;
@@ -55,6 +56,13 @@ public function render(mixed $value, DatabaseObject $row): string
                     }
                 )
                 ->sortable(),
+            GridViewColumn::for('languageCategoryID')
+                ->label('wcf.global.category')
+                ->hidden()
+                ->filter(new SelectFilter(
+                    $this->getAvailableCategories(),
+                    labelLanguageItems: false
+                )),
             GridViewColumn::for('languageItemValue')
                 ->label('wcf.acp.language.item.value')
                 ->valueEncoding(false)
@@ -166,4 +174,12 @@ protected function getInitializedEvent(): ?IPsr14Event
     {
         return new LanguageItemGridViewInitialized($this);
     }
+
+    private function getAvailableCategories(): array
+    {
+        $list = new LanguageCategoryList();
+        $list->readObjects();
+
+        return \array_map(static fn($object) => $object->languageCategory, $list->getObjects());
+    }
 }

wcfsetup/install/files/lib/system/gridView/filter/SelectFilter.class.php

@@ -17,8 +17,11 @@
  */
 class SelectFilter extends AbstractFilter
 {
-    public function __construct(private readonly array $options, string $databaseColumn = '')
-    {
+    public function __construct(
+        private readonly array $options,
+        string $databaseColumn = '',
+        private readonly bool $labelLanguageItems = true
+    ) {
         parent::__construct($databaseColumn);
     }
 
@@ -27,7 +30,7 @@ public function getFormField(string $id, string $label): AbstractFormField
     {
         return SelectFormField::create($id)
             ->label($label)
-            ->options($this->options);
+            ->options($this->options, labelLanguageItems: $this->labelLanguageItems);
     }
 
     #[\Override]