function FormSubmitter::doSubmitForm

Overrides FormSubmitterInterface::doSubmitForm

File

core/lib/Drupal/Core/Form/FormSubmitter.php, line 37

Class

FormSubmitter

Provides submission processing for forms.

Namespace

Code

public function doSubmitForm(&$form, FormStateInterface &$form_state) {
    if (!$form_state->isSubmitted()) {
        return;
    }
    // Execute form submit handlers.
    $this->executeSubmitHandlers($form, $form_state);
    // If batches were set in the submit handlers, we process them now,
    // possibly ending execution. We make sure we do not react to the batch
    // that is already being processed (if a batch operation performs a
    // \Drupal\Core\Form\FormBuilderInterface::submitForm).
    if (($batch =& $this->batchGet()) && !isset($batch['current_set'])) {
        // Store $form_state information in the batch definition.
        $batch['form_state'] = $form_state;
        $batch['progressive'] = !$form_state->isProgrammed();
        $response = batch_process();
        // If the batch has been completed and _batch_finished() called then
        // $batch will be NULL.
        if ($batch && $batch['progressive']) {
            return $response;
        }
        // Execution continues only for programmatic forms.
        // For 'regular' forms, we get redirected to the batch processing
        // page. Form redirection will be handled in _batch_finished(),
        // after the batch is processed.
    }
    // Set a flag to indicate the form has been processed and executed.
    $form_state->setExecuted();
    // If no response has been set, process the form redirect.
    if (!$form_state->getResponse() && ($redirect = $this->redirectForm($form_state))) {
        $form_state->setResponse($redirect);
    }
    // If there is a response was set, return it instead of continuing.
    if (($response = $form_state->getResponse()) && $response instanceof Response) {
        return $response;
    }
}