/**
* Expand all folder aliases and return a usable URL.
* @param string $url
* @param boolean $root_override Overrides {@link $resolve_to_root} if set to
* {@link Force_root_on}.
* @return string
*/
public function resolve_file($url, $root_override = null)
{
$att_link_key = '{att_link}';
$att_thumb_key = '{att_thumb}';
if (strpos($url, $att_link_key) !== false) {
$key = $att_link_key;
} else {
if (strpos($url, $att_thumb_key) !== false) {
$key = $att_thumb_key;
}
}
if (isset($key)) {
$history_item = $this->handler_for(Handler_history_item);
$url = new URL(substr($url, strlen($key)));
$url->prepend('{' . Folder_name_attachments . '}/' . $history_item->object_type . '/' . $this->id . '/');
if ($key == $att_thumb_key) {
$url->append_to_name('_tn');
}
$url = $url->as_text();
}
return parent::resolve_file($url, $root_override);
}
