public function AutosaveFormAlterTrait::autosaveFormRestoreSubmit in Autosave Form 8

Form submission handler for restoring autosaved state.

File

src/Form/AutosaveFormAlterTrait.php, line 121

Class

AutosaveFormAlterTrait

Provides a trait for common autosave form alterations.

Namespace

Drupal\autosave_form\Form

Code

public function autosaveFormRestoreSubmit($form, FormStateInterface $form_state) {
  $triggering_element = $form_state
    ->getTriggeringElement();
  if (!empty($triggering_element['#autosave_form_state_timestamp'])) {

    // Set the timestamp of the autosaved state which has to be used to
    // restore the form on rebuild.
    $form_state
      ->set('autosave_form_state_timestamp', $triggering_element['#autosave_form_state_timestamp']);
    $form_state
      ->setRebuild();
  }
}