public function BlockFieldItem::fieldSettingsForm in Block field 8

Returns a form for the field-level settings.

Invoked from \Drupal\field_ui\Form\FieldConfigEditForm to allow administrators to configure field-level settings.

Parameters

array $form: The form where the settings form is being included in.

\Drupal\Core\Form\FormStateInterface $form_state: The form state of the (entire) configuration form.

Return value

array The form definition for the field settings.

Overrides FieldItemBase::fieldSettingsForm

File

src/Plugin/Field/FieldType/BlockFieldItem.php, line 84

Class

BlockFieldItem

Plugin implementation of the 'block_field' field type.

Namespace

Drupal\block_field\Plugin\Field\FieldType

Code

public function fieldSettingsForm(array $form, FormStateInterface $form_state) {
  $field = $form_state
    ->getFormObject()
    ->getEntity();

  /** @var \Drupal\block_field\BlockFieldSelectionManager $block_field_selection_manager */
  $block_field_selection_manager = \Drupal::service('plugin.manager.block_field_selection');
  $options = $block_field_selection_manager
    ->getOptions();
  $form = [
    '#type' => 'container',
    '#process' => [
      [
        get_class($this),
        'fieldSettingsAjaxProcess',
      ],
    ],
    '#element_validate' => [
      [
        get_class($this),
        'fieldSettingsFormValidate',
      ],
    ],
  ];
  $form['selection'] = [
    '#type' => 'details',
    '#title' => $this
      ->t('Available blocks'),
    '#open' => TRUE,
    '#tree' => TRUE,
    '#process' => [
      [
        get_class($this),
        'formProcessMergeParent',
      ],
    ],
  ];
  $form['selection']['selection'] = [
    '#type' => 'select',
    '#title' => $this
      ->t('Selection method'),
    '#options' => $options,
    '#default_value' => $field
      ->getSetting('selection'),
    '#required' => TRUE,
    '#ajax' => TRUE,
    '#limit_validation_errors' => [],
  ];
  $form['selection']['selection_submit'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Change selection'),
    '#limit_validation_errors' => [],
    '#attributes' => [
      'class' => [
        'js-hide',
      ],
    ],
    '#submit' => [
      [
        get_class($this),
        'settingsAjaxSubmit',
      ],
    ],
  ];
  $form['selection']['selection_settings'] = [
    '#type' => 'container',
    '#attributes' => [
      'class' => [
        'block_field-settings',
      ],
    ],
  ];
  $selection = $block_field_selection_manager
    ->getSelectionHandler($field);
  $form['selection']['selection_settings'] += $selection
    ->buildConfigurationForm([], $form_state);
  return $form;
}