public function listTableColumnContent($column, $postId)
    {
        switch ($column) {
            case 'description':
                $description = get_post_meta($postId, 'module-description', true);
                echo !empty($description) ? $description : '';
                break;

            case 'usage':
                $usage = self::getModuleUsage($postId, 3);

                if (count($usage->data) == 0) {
                    echo __('Not used', 'modularity');
                    break;
                }

                $i = 0;

                foreach ($usage->data as $item) {
                    $i++;

                    if ($i > 1) {
                        echo ', ';
                    }

                    echo '<a href="' . get_permalink($item->post_id) . '">' . $item->post_title . '</a>';
                }

                if ($usage->more > 0) {
                    echo ' (' . $usage->more . ' ' . __('more', 'modularity') . ')';
                }

                break;
        }
    }