protected function _configureBar()
    {
        $filters = array('following');

        if ($this->getController()->getRepository()->hasBehavior('administrable')) {
            $filters[] = 'administering';
        }

        $this->setActor($this->getController()->actor);

        foreach ($filters as $filter) {
            $label = array(
                strtoupper('COM-'.$this->getIdentifier()->package.'-NAV-FILTER-'.$filter),
                strtoupper('COM-ACTORS-NAV-FILTER-'.$filter),
            );

            $this->addNavigation('navbar-'.$filter, translate($label),
                    array(
                        'option' => $this->getController()->option,
                        'view' => $this->getController()->view,
                        'oid' => $this->getController()->actor->id, 'filter' => $filter,
                    ),
                    $this->getController()->filter == $filter);
        }

        $filter = pick($this->getController()->filter, 'following');

        $title = array(
            strtoupper('COM-'.$this->getIdentifier()->package.'-NAV-TITLE-'.$filter),
            strtoupper('COM-ACTORS-NAV-TITLE-'.$filter),
        );

        $this->setTitle(sprintf(translate($title), $this->getController()->actor->name));
    }