/**
* Saves state in session.
* @param mixed state to be stored
*/
public function save($state)
{
$session = $this->_page->getSession();
$session->open();
$data = serialize($state);
$timestamp = (string) microtime(true);
$key = self::STATE_SESSION_KEY . $timestamp;
$session->add($key, $data);
if (($queue = $session->itemAt(self::QUEUE_SESSION_KEY)) === null) {
$queue = array();
}
$queue[] = $key;
if (count($queue) > $this->getHistorySize()) {
$expiredKey = array_shift($queue);
$session->remove($expiredKey);
}
$session->add(self::QUEUE_SESSION_KEY, $queue);
$this->_page->setClientState(TPageStateFormatter::serialize($this->_page, $timestamp));
}
/**
* Saves state in hidden fields.
* @param mixed state to be stored
*/
public function save($state)
{
$this->_page->setClientState(TPageStateFormatter::serialize($this->_page, $state));
}
/**
* Saves state in cache.
* @param mixed state to be stored
*/
public function save($data)
{
$timestamp = (string) microtime(true);
$key = $this->calculateKey($timestamp);
$this->getCache()->add($key, $data, $this->_timeout);
$this->_page->setClientState(TPageStateFormatter::serialize($this->_page, $timestamp));
}