/**
* Gets the current state of this form as a nested array.
*
* @param Form $form
* @return array
*/
public function getState(Form $form)
{
// Ensure that session errors are populated within form field messages
$form->setupFormErrors();
// @todo - Replace with ValidationResult handling
// Currently tri-state; null (unsubmitted), true (submitted-valid), false (submitted-invalid)
$errors = Session::get("FormInfo.{$form->FormName()}.errors");
$valid = isset($errors) ? empty($errors) : null;
$state = ['id' => $form->FormName(), 'fields' => [], 'valid' => $valid, 'messages' => []];
// flattened nested fields are returned, rather than only top level fields.
$state['fields'] = array_merge($this->getFieldStates($form->Fields()), $this->getFieldStates($form->Actions()));
if ($message = $form->Message()) {
$state['messages'][] = ['value' => ['html' => $message], 'type' => $form->MessageType()];
}
return $state;
}