/**
* Form submission handler.
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
/** @var \Drupal\file\FileInterface $file */
$file = $form_state->getValue('upload_pdf');
$added = $this->inputHelper->attachPdfToForm($file);
$fillpdf_form = $added['form'];
$form_fields = $added['fields'];
if (count($form_fields) === 0) {
drupal_set_message($this->t('No fields detected in PDF. Are you sure it contains editable fields?'), 'warning');
}
$fid = $fillpdf_form->id();
$form_state->setRedirect('entity.fillpdf_form.edit_form', ['fillpdf_form' => $fid]);
}
/**
* {@inheritdoc}
*/
public function save(array $form, FormStateInterface $form_state) {
/** @var FillPdfFormInterface $entity */
$entity = $this->getEntity();
/** @var \Drupal\file\FileInterface $file */
$file = $form_state->getValue('upload_pdf');
if ($file) {
$existing_fields = $this->entityHelper->getFormFields($entity);
// Delete existing fields.
/** @var FillPdfFormFieldInterface $existing_field */
foreach ($existing_fields as $existing_field) {
$existing_field->delete();
}
$added = $this->inputHelper->attachPdfToForm($file, $entity);
$form_fields = $added['fields'];
// Import previous form field values over new fields.
$non_matching_msg = '';
$non_matching_fields = $this->serializer->importFormFieldsByKey($existing_fields, $form_fields);
if (count($non_matching_fields)) {
$non_matching_msg = $this->t(" These keys couldn't be found in the new PDF");
}
drupal_set_message($this->t("Your previous field mappings have been transferred to the new PDF template you uploaded.") . $non_matching_msg);
foreach ($non_matching_fields as $non_matching_field) {
drupal_set_message($non_matching_field, 'warning');
}
drupal_set_message($this->t('You might also want to update the <em>Filename pattern</em> field; this has not been changed.'));
}
$entity->set('default_entity_type', $form_state->getValue('default_entity_type'));
$entity->save();
}