/**
* Prepare-filter forwards to get if form was present and valid.
*
* At this point, the request has not been sent, but has been created and is about to be.
* If the request is valid, we want to skip out *before* the form is sent and simply
* redirect.
*
* @param T_Response $response encapsulated response to filter
*/
protected function doPrepareFilter(T_Response $response)
{
if ($this->form->isPresent() && $this->form->isValid() && $this->forward) {
// POST request is successful, therefore redirect to GET so the
// back button cannot be used to repeat the request.
$response->abort();
throw new T_Response_Redirect($this->forward->getUrl());
}
}
/**
* Render an embedded resource.
*
* At the moment, this renderer is setup to assume that all embedded resources are
* images. However, this could be easily extended to handle video, and so on.
*
* @param T_Text_EmbeddedLink $element
*/
function visitTextResource(T_Text_Resource $node)
{
$escape = new T_Filter_Xhtml();
if ($node->isInternal()) {
$url = $this->root_url->getUrl($escape) . $node->getUrl($escape);
} else {
$url = $node->getUrl($escape);
}
$this->xhtml .= '<img src="' . $url . '" alt="' . $node->getContent($this->filter) . '" />' . EOL;
}