protected function _commandDelete(KControllerToolbarCommand $command)
    {
        $translator = $this->getObject('translator');
        $command->append(array(
            'attribs' => array(
                'data-action' => 'delete',
                'data-prompt' => $translator->translate('Deleted items will be lost forever. Would you like to continue?')
            )
        ));

        $command->icon = 'k-icon-trash';
    }