/**
* This extends the default ZF JSON serialization to work with JSONP, which
* enables cross-site AJAX using JSON.
*
* @return void
*/
public function postJsonContext()
{
parent::postJsonContext();
if ($this->getAutoJsonSerialization() and $callbackParam = $this->getRequest()->get(Omeka_Controller_Plugin_Jsonp::CALLBACK_KEY)) {
$response = $this->getResponse();
$json = $response->getBody();
$response->setBody($callbackParam . '(' . $json . ')');
// Also be sure to set the content header to 'text/javascript'.
$response->setHeader('Content-Type', 'text/javascript');
}
}
/**
* Processes view variables before the parent implementation serializes
* to JSON.
*
* @return void
*/
public function postJsonContext()
{
if (!$this->_extRequest || !$this->getAutoJsonSerialization()) {
return parent::postJsonContext();
}
$viewRenderer = Zend_Controller_Action_HelperBroker::getStaticHelper('viewRenderer');
$view = $viewRenderer->view;
if (!$view instanceof Zend_View_Interface) {
return parent::postJsonContext();
}
$request = $this->getRequest();
$params = $request->getParams();
$extParameter = $this->_extRequest->getConfigValue('extParameter');
if (isset($params[$extParameter])) {
$params = $params[$extParameter];
$vars = $view->getVars();
$view->clearVars();
if (is_array($params)) {
if (isset($params['action'])) {
$view->action = $params['action'];
}
if (isset($params['method'])) {
$view->method = $params['method'];
}
if (isset($params['tid'])) {
$view->tid = $params['tid'];
}
if ($this->getResponse()->isException()) {
$view->type = 'exception';
$view->message = $vars;
} else {
if (isset($params['type'])) {
$view->type = $params['type'];
}
$view->result = $vars;
}
} else {
// can only be an exception then
if ($this->getResponse()->isException()) {
$view->type = 'exception';
$view->message = $vars;
} else {
$view->result = $vars;
}
}
}
parent::postJsonContext();
}
/**
* JSONP post processing.
* Mainly calls postJsonContext
*
* @throws Zend_Controller_Action_Exception
*/
public function postContext()
{
$this->contextSwitch->postJsonContext();
$response = $this->contextSwitch->getResponse();
$response->setBody($this->callbackFunction . '(' . $response->getBody() . ');');
}
