$options = portfolio_instance_select(portfolio_instances(), $exporter->get('caller')->supported_formats(), get_class($exporter->get('caller')), $exporter->get('caller')->get_mimetype(), 'instance', true, true);
if (empty($options)) {
throw new portfolio_export_exception($exporter, 'noavailableplugins', 'portfolio');
} else {
if (count($options) == 1) {
// no point displaying a form, just redirect.
$optionskeys = array_keys($options);
$instance = array_shift($optionskeys);
redirect($CFG->wwwroot . '/portfolio/add.php?id= ' . $exporter->get('id') . '&instance=' . $instance . '&sesskey=' . sesskey());
}
}
// be very selective about not including this unless we really need to
require_once $CFG->libdir . '/portfolio/forms.php';
$mform = new portfolio_instance_select('', array('id' => $exporter->get('id'), 'caller' => $exporter->get('caller'), 'options' => $options));
if ($mform->is_cancelled()) {
$exporter->cancel_request();
} else {
if ($fromform = $mform->get_data()) {
redirect($CFG->wwwroot . '/portfolio/add.php?instance=' . $fromform->instance . '&id=' . $exporter->get('id'));
exit;
} else {
$exporter->print_header(get_string('selectplugin', 'portfolio'));
echo $OUTPUT->box_start();
$mform->display();
echo $OUTPUT->box_end();
echo $OUTPUT->footer();
exit;
}
}
}
// if we haven't been passed &stage= grab it from the exporter.
