/**
* @copydoc GridHandler::renderFilter()
*/
function renderFilter($request)
{
$categoriesSymbolic = $this->loadData($request, null);
$categories = array('all' => __('grid.plugin.allCategories'));
foreach ($categoriesSymbolic as $category) {
$categories[$category] = __("plugins.categories.{$category}");
}
$filterData = array('categories' => $categories);
return parent::renderFilter($request, $filterData);
}
