public function deleteAction()
    {
        if ($this->isConfirmedItem($this->_('Delete %s'))) {
            $model   = $this->getModel();
            $deleted = $model->delete();

            $this->addMessage(sprintf($this->_('%2$u %1$s deleted'), $this->getTopic($deleted), $deleted), 'success');
            $this->_reroute(array('action' => 'index'), true);
        }
    }