/**
* Set transfer adapter
*
* @param string|\Zend\File\Transfer\Adapter\AbstractAdapter $adapter
* @return \Zend\Form\Element\File
*/
public function setTransferAdapter($adapter)
{
if ($adapter instanceof AbstractFileAdapter) {
$this->_adapter = $adapter;
} elseif (is_string($adapter)) {
$loader = $this->getPluginLoader(self::TRANSFER_ADAPTER);
$class = $loader->load($adapter);
$this->_adapter = new $class();
} else {
throw new Exception\InvalidArgumentException('Invalid adapter specified');
}
foreach (array('filter', 'validator') as $type) {
$loader = $this->getPluginLoader($type);
$this->_adapter->setPluginLoader($loader, $type);
}
return $this;
}
/**
* Checks if the files are valid
*
* @param string|array $files (Optional) Files to check
* @return boolean True if all checks are valid
*/
public function isValid($files = null)
{
// Workaround for WebServer not conforming HTTP and omitting CONTENT_LENGTH
$content = 0;
if (isset($_SERVER['CONTENT_LENGTH'])) {
$content = $_SERVER['CONTENT_LENGTH'];
} else {
if (!empty($_POST)) {
$content = serialize($_POST);
}
}
// Workaround for a PHP error returning empty $_FILES when form data exceeds php settings
if (empty($this->_files) && $content > 0) {
if (is_array($files)) {
$files = current($files);
}
$temp = array($files => array('name' => $files, 'error' => 1));
$validator = $this->_validators['Zend\\Validator\\File\\Upload'];
$validator->setFiles($temp)->isValid($files, null);
$this->_messages += $validator->getMessages();
return false;
}
return parent::isValid($files);
}
public function isPathWriteable($path)
{
return parent::_isPathWriteable($path);
}
/**
* Set translator object for localization
*
* @param Translator\Translator|AbstractAdapter|null $translator
* @return AbstractAdapter
*/
public function setTranslator($translator = null)
{
if (null === $translator) {
$this->translator = null;
} elseif ($translator instanceof AbstractAdapter) {
$this->translator = $translator;
} elseif ($translator instanceof Translator\Translator) {
$this->translator = $translator->getAdapter();
} else {
throw new Exception\InvalidArgumentException('Invalid translator specified');
}
return $this;
}
