protected function setBreadcrumbEditCategory()
    {
        $breadcrumbs = array();

        $breadcrumbs[] = array(
            'url' => $this->url('admin'),
            'text' => $this->text('Dashboard')
        );

        $breadcrumbs[] = array(
            'url' => $this->url('admin/content/category-group'),
            'text' => $this->text('Category groups')
        );

        $breadcrumbs[] = array(
            'url' => $this->url("admin/content/category/{$this->data_category_group['category_group_id']}"),
            'text' => $this->text('Categories of group %name', array('%name' => $this->data_category_group['title']))
        );

        $this->setBreadcrumbs($breadcrumbs);
    }