/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
// The revision timestamp will be updated when the revision is saved. Keep
// the original one for the confirmation message.
$this->revision = $this->prepareRevision($this->revision);
if ($this->revision instanceof RevisionLogInterface) {
$original_revision_timestamp = $this->revision->getRevisionCreationTime();
$this->revision->setRevisionLogMessage($this->t('Copy of the revision from %date.', ['%date' => $this->dateFormatter->format($original_revision_timestamp)]));
drupal_set_message(t('@type %title has been reverted to the revision from %revision-date.', ['@type' => $this->getBundleLabel($this->revision), '%title' => $this->revision->label(), '%revision-date' => $this->dateFormatter->format($original_revision_timestamp)]));
} else {
drupal_set_message(t('@type %title has been reverted', ['@type' => $this->getBundleLabel($this->revision), '%title' => $this->revision->label()]));
}
$this->revision->save();
$this->logger('content')->notice('@type: reverted %title revision %revision.', ['@type' => $this->revision->bundle(), '%title' => $this->revision->label(), '%revision' => $this->revision->getRevisionId()]);
$form_state->setRedirect("entity.{$this->revision->getEntityTypeId()}.version_history", [$this->revision->getEntityTypeId() => $this->revision->id()]);
}
/**
* Returns a string providing the title of the revision.
*
* @param \Drupal\Core\Entity\EntityInterface $_entity_revision
* Returns a string to provide the title of the revision.
*
* @return string
* Revision title.
*/
public function revisionTitle(EntityInterface $_entity_revision)
{
if ($_entity_revision instanceof TimestampedRevisionInterface) {
return $this->t('Revision of %title from %date', array('%title' => $_entity_revision->label(), '%date' => format_date($_entity_revision->getRevisionCreationTime())));
} else {
return $this->t('Revision of %title', array('%title' => $_entity_revision->label()));
}
}