/**
* {@inheritdoc}
*/
public function form(array $form, FormStateInterface $form_state)
{
$form = parent::form($form, $form_state);
// Create link to full block form.
$query = [];
if ($destination = $this->getRequest()->query->get('destination')) {
$query['destination'] = $destination;
}
$form['advanced_link'] = ['#type' => 'link', '#title' => $this->t('Advanced options'), '#url' => $this->entity->toUrl('edit-form', ['query' => $query]), '#weight' => 1000];
// Remove the ID and region elements.
unset($form['id'], $form['region'], $form['settings']['admin_label']);
return $form;
}
