/**
* Standard preferences handling via preferences form subclass
*
* @param string $name Name of the form service
* @return \Zend\View\Model\ViewModel|\Zend\Http\Response View model for "form.php" template or redirect response
*/
protected function _useForm($name)
{
$form = $this->_formManager->get($name);
if ($this->getRequest()->isPost()) {
$form->setData($this->params()->fromPost());
if ($form->isValid()) {
// Flatten Preferences array, i.e. incorporate fields from a
// fieldset into a single array.
$this->_config->setOptions(new \RecursiveIteratorIterator(new \RecursiveArrayIterator($form->getData()['Preferences'])));
return $this->redirectToRoute('preferences', $this->getEvent()->getRouteMatch()->getParams()['action']);
}
} else {
$preferences = array();
foreach ($form->get('Preferences') as $element) {
$name = $element->getName();
if ($element instanceof \Zend\Form\Fieldset) {
foreach ($element as $subElement) {
$subElementName = $subElement->getName();
$preferences[$name][$subElementName] = $this->_config->{$subElementName};
}
} else {
$preferences[$name] = $this->_config->{$name};
}
}
$form->setData(array('Preferences' => $preferences));
}
return $this->printForm($form);
}
