function UserSelection::buildConfigurationForm

Overrides DefaultSelection::buildConfigurationForm

File

core/modules/user/src/Plugin/EntityReferenceSelection/UserSelection.php, line 104

Class

UserSelection

Provides specific access control for the user entity type.

Namespace

Code

public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
  $configuration = $this->getConfiguration();
  $form['include_anonymous'] = [
    '#type' => 'checkbox',
    '#title' => $this->t('Include the anonymous user.'),
    '#default_value' => $configuration['include_anonymous'],
  ];
  // Add user specific filter options.
  $form['filter']['type'] = [
    '#type' => 'select',
    '#title' => $this->t('Filter by'),
    '#options' => [
      '_none' => $this->t('- None -'),
      'role' => $this->t('User role'),
    ],
    // Use a form process callback to build #ajax property properly and also
    // to avoid code duplication.
    // @see \Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::fieldSettingsAjaxProcess()
'#ajax' => TRUE,
    '#limit_validation_errors' => [],
    '#default_value' => $configuration['filter']['type'],
  ];
  $form['filter']['settings'] = [
    '#type' => 'container',
    '#attributes' => [
      'class' => [
        'entity_reference-settings',
      ],
    ],
    '#process' => [
      [
        '\\Drupal\\Core\\Field\\Plugin\\Field\\FieldType\\EntityReferenceItem',
        'formProcessMergeParent',
      ],
    ],
  ];
  if ($configuration['filter']['type'] == 'role') {
    $roles = Role::loadMultiple();
    unset($roles[RoleInterface::ANONYMOUS_ID]);
    unset($roles[RoleInterface::AUTHENTICATED_ID]);
    $roles = array_map(fn(RoleInterface $role) => $role->label(), $roles);
    $form['filter']['settings']['role'] = [
      '#type' => 'checkboxes',
      '#title' => $this->t('Restrict to the selected roles'),
      '#required' => TRUE,
      '#options' => $roles,
      '#default_value' => $configuration['filter']['role'],
    ];
  }
  $form += parent::buildConfigurationForm($form, $form_state);
  return $form;
}