function plugin_projet_prefPDF($type) {

    global $LANG;
    switch ($type) {
        case "PluginProjetProjet":
            return array("Option bar1", "Option bar2");
    }
    return false;
}
/**
 * Hook to generate a PDF for foo type
 *
 * @param $type of item
 * @param $tab_id array of ID
 * @param $tab of option to be printed
 * @param $page boolean true for landscape
 */
function plugin_projet_generatePDF($options) {

}