function renderHtml()
{
$kursus = new VIH_Model_LangtKursus($this->context->name());
if ($this->query("addrate")) {
if (!$kursus->addRate($this->query("addrate"))) {
throw new Exception('Kunne ikke tilføje rate.', E_USER_ERROR);
}
}
$this->document->setTitle('Opdater rater');
$pris = array('kursus' => $kursus);
if ($kursus->antalRater() == 0) {
$form = new HTML_QuickForm('rater', 'POST', $this->url());
$form->addElement('text', 'antal', 'Antal rater');
$form->addElement('text', 'foerste_rate_dato', 'Første rate dato', 'dd-mm-YYYY');
$form->addElement('submit', 'opret_rater', 'Opret rater');
$form_html = $form->toHTML();
} else {
$data = array('kursus' => $kursus);
$tpl = $this->template->create('langekurser/rater_form');
$form_html = $tpl->render($this, $data);
}
$this->document->setTitle('Rater for betaling ' . $kursus->get('kursusnavn'));
$this->document->addOption('Til kurset', $this->context->url());
$tpl = $this->template->create('langekurser/pris');
return '<p><strong>Periode</strong>: ' . $kursus->getDateStart()->format('%d-%m-%Y') . ' — ' . $kursus->getDateEnd()->format('%d-%m-%Y') . '</p>
' . $tpl->render($this, $pris) . $form_html;
}