/**
* check whether a an XMLHttpRequest was submitted
* this will look for a key 'xmlHttpRequest' in both GET and POST and
* set the Controller::isXhr flag and
* decode the parameters accordingly into their ParameterBages
* in addition the presence of ifuRequest in GET is checked for handling IFRAME uploads
*
* this method is geared to fully support the vxJS.widget.xhrForm()
*/
private function prepareForXhr()
{
// do we have a GET XHR?
if ($this->request->getMethod() === 'GET' && $this->request->query->get('xmlHttpRequest')) {
$this->xhrBag = $this->request->query;
foreach (json_decode($this->xhrBag->get('xmlHttpRequest'), TRUE) as $key => $value) {
$this->xhrBag->set($key, $value);
}
} else {
if ($this->request->getMethod() === 'POST' && $this->request->request->get('xmlHttpRequest')) {
$this->xhrBag = $this->request->request;
foreach (json_decode($this->xhrBag->get('xmlHttpRequest'), TRUE) as $key => $value) {
$this->xhrBag->set($key, $value);
}
} else {
if ($this->request->query->get('ifuRequest')) {
// POST already contains all the parameters
$this->request->request->set('httpRequest', 'ifuSubmit');
} else {
$this->isXhr = FALSE;
return;
}
}
}
$this->isXhr = TRUE;
// handle request for apc upload poll, this will not be left to individual controller
if ($this->xhrBag && $this->xhrBag->get('httpRequest') === 'apcPoll') {
$id = $this->xhrBag->get('id');
if ($this->config->server['apc_on'] && $id) {
$apcData = apc_fetch('upload_' . $id);
}
if (isset($apcData['done']) && $apcData['done'] == 1) {
apc_clear_cache('user');
}
JsonResponse::create($apcData)->send();
exit;
}
}
/**
* initialize parameter bag
* parameterbag is either supplied, or depending on request method retrieved from request object
*
* @param ParameterBag $bag
* @return HtmlForm
*
*/
public function bindRequestParameters(ParameterBag $bag = NULL)
{
if ($bag) {
$this->requestValues = $bag;
} else {
if ($this->request->getMethod() == 'GET') {
$this->requestValues = $this->request->query;
} else {
$this->requestValues = $this->request->request;
}
}
// set form element values
foreach ($this->elements as $name => $element) {
if (is_array($element)) {
$this->setElementArrayRequestValue($name);
} else {
$this->setElementRequestValue($element);
}
}
return $this;
}
