public function initContext($format = null)
{
parent::initContext($format);
// Hack to prevent duplicate content-type headers
$pos = false;
$response = $this->getResponse();
$headers = $response->getHeaders();
$response->clearHeaders();
foreach ($headers as $header) {
$name = $header['name'];
$value = $header['value'];
$replace = $header['replace'];
if (strtolower($name) == 'content-type') {
if ($pos === true) {
continue;
}
$pos = true;
}
$response->setHeader($name, $value, $replace);
}
if (null === $this->_currentContext || !$this->getAutoSwitchLayout()) {
return;
}
$layoutName = $this->getLayout($this->_currentContext);
if ($layoutName) {
$layout = Zend_Layout::getMvcInstance();
$layout->enableLayout()->setLayout($layoutName);
}
}
/**
* 设置对话框布局
*
* @param string $format
* @return void
*/
public function initContext($format = null)
{
$this->_currentContext = null;
$this->setAutoDisableLayout(false);
$this->setCallback('inbox', self::TRIGGER_POST, '_callbackPost');
return parent::initContext($format);
}
/**
* Initialize AJAX context switching
*
* Checks for XHR requests; if detected, attempts to perform context switch.
*
* @param string $format
* @return void
*/
public function initContext($format = null)
{
$this->_currentContext = null;
if (!$this->getRequest()->isXmlHttpRequest()) {
return;
}
return parent::initContext($format);
}
/**
* Initialize AJAX context switching
*
* Checks for XHR requests; if detected, attempts to perform context switch.
*
* @param string $format
* @return void
*/
public function initContext($format = null)
{
$this->_currentContext = null;
$request = $this->getRequest();
if (!method_exists($request, 'isXmlHttpRequest') || !$this->getRequest()->isXmlHttpRequest()) {
return;
}
return parent::initContext($format);
}
/**
* 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');
}
}
/**
* Setup the necessary contexts
*/
public function init()
{
parent::init();
$this->_contextSwitch = $this->_helper->getHelper('contextSwitch');
if (!$this->_contextSwitch->hasContext('rss')) {
$this->_contextSwitch->addContext('rss', array('suffix' => 'rss', 'headers' => array('Content-type' => 'application/rss+xml;charset=UTF-8')));
}
if (!$this->_contextSwitch->hasContext('atom')) {
$this->_contextSwitch->addContext('atom', array('suffix' => 'atom', 'headers' => array('Content-type' => 'application/atom+xml')));
}
$this->_contextSwitch->addActionContext('list', array('rss', 'atom'))->addActionContext('index', array('rss', 'atom'))->initContext();
}
public function initContext($format = null)
{
parent::initContext($format);
// Hack to prevent duplicate content-type headers
$pos = false;
$headers = $this->getResponse()->getHeaders();
foreach ($headers as $key => $value) {
if (strtolower($key) == 'content-type') {
if (!$pos) {
$pos = $key;
} else {
unset($headers[$pos]);
}
}
}
if (null === $this->_currentContext || !$this->getAutoSwitchLayout()) {
return;
}
$layoutName = $this->getLayout($this->_currentContext);
if ($layoutName) {
$layout = Zend_Layout::getMvcInstance();
$layout->enableLayout()->setLayout($layoutName);
}
}
public function __construct($options = null)
{
parent::__construct($options);
$this->addContext('rss', array('suffix' => 'rss', 'headers' => array('Content-Type' => 'application/xml'), 'callbacks' => array('init' => 'initRssContext', 'post' => 'postRssContext')));
$this->addContext('ajax', array());
}
/**
* Processes view variables before the parent implementation serializes
* to JSON.
*
* @return void
*/
public function postJsonContext()
{
if (!$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() . ');');
}
/**
* Set a specific Cache expire time for the current context
*
* @param integer $ttl
* @return void
*/
protected function _setCacheTtl($ttl = self::CACHE_DEFAULT_TTL)
{
$this->_context->setHeader('snippet', 'Cache-Control', sprintf(self::CACHE_CONTROL_HEADER_VALUE, intval($ttl)));
}
