public static function render_instance(BlockInstance $instance, $editing = false)
{
$configdata = $instance->get('configdata');
$smarty = smarty_core();
if (!empty($configdata['collection'])) {
$views = $instance->get_data('collection', $configdata['collection'])->views();
if (!empty($views)) {
$smarty->assign('views', $views['views']);
}
}
$smarty->assign('currentview', $instance->get('view'));
return $smarty->fetch('blocktype:navigation:navigation.tpl');
}
public static function instance_config_validate(Pieform $form, $values)
{
if (strpos($values['url'], '://') == false) {
// try add on http://
$values['url'] = 'http://' . $values['url'];
} else {
$proto = substr($values['url'], 0, strpos($values['url'], '://'));
if (!in_array($proto, array('http', 'https'))) {
$form->set_error('url', get_string('invalidurl', 'blocktype.externalfeed'), false);
}
}
// If you're changing the URL on an authenticated feed, force them to re-enter the password
if (!empty($values['blockconfig'])) {
$instance = new BlockInstance($values['blockconfig']);
$configdata = $instance->get('configdata');
if (!empty($configdata['feedid'])) {
$olddata = $instance->get_data('feed', $configdata['feedid']);
if ($olddata) {
if ($values['url'] != $olddata->url && $olddata->authpassword != '' && $values['authpassword']['submittedvalue'] === null) {
$form->set_error('authpassword', get_string('reenterpassword', 'blocktype.externalfeed'), false);
return;
}
}
}
}
if (!$form->get_error('url')) {
try {
$authpassword = $values['authpassword']['submittedvalue'] !== null ? $values['authpassword']['submittedvalue'] : $values['authpassword']['defaultvalue'];
self::parse_feed($values['url'], $values['insecuresslmode'], $values['authuser'], $authpassword);
return;
} catch (XML_Feed_Parser_Exception $e) {
$form->set_error('url', get_string('invalidfeed', 'blocktype.externalfeed', hsc($e->getMessage())), false);
}
}
}