public static function sortLabel($colId, $label)
{
$args = url_args();
$args['sort'] = $colId;
$args['sortd'] = filter_input(INPUT_GET, 'sortd') == 'asc' ? 'desc' : 'asc';
return anchor(current_path(), $label, $args);
}
public function __construct(View $view)
{
// csv download check
if (is_action('export_csv') && get_safe('object_id') == $view->identifier) {
// send the download file and halt script
$this->generateCsv($view);
}
// add "Export CSV" button on navbar
$args = url_args();
$args['action'] = 'export_csv';
$args['object_id'] = $view->identifier;
$url = url(current_path(), $args);
$view->nav->addItem(new Item(array('label' => t('Export CSV'), 'icon' => 'glyphicon-download-alt', 'url' => $url)));
}
