/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state)
{
$cached_values = $form_state->getTemporaryValue('wizard');
$this->machine_name = $cached_values['id'];
$form['#attached']['library'][] = 'core/drupal.dialog.ajax';
$options = [];
foreach ($this->typedDataManager->getDefinitions() as $plugin_id => $definition) {
$options[$plugin_id] = (string) $definition['label'];
}
$form['items'] = array('#type' => 'markup', '#prefix' => '<div id="configured-contexts">', '#suffix' => '</div>', '#theme' => 'table', '#header' => array($this->t('Information'), $this->t('Description'), $this->t('Operations')), '#rows' => $this->renderContexts($cached_values), '#empty' => t('No required contexts have been configured.'));
$form['contexts'] = ['#type' => 'select', '#options' => $options];
$form['add'] = ['#type' => 'submit', '#name' => 'add', '#value' => t('Add required context'), '#ajax' => ['callback' => [$this, 'add'], 'event' => 'click'], '#submit' => ['callback' => [$this, 'submitform']]];
return $form;
}