function FieldBlock::blockForm

Overrides BlockPluginTrait::blockForm

File

core/modules/layout_builder/src/Plugin/Block/FieldBlock.php, line 240

Class

FieldBlock

Provides a block that renders a field from an entity.

Namespace

Code

public function blockForm($form, FormStateInterface $form_state) {
  $config = $this->getConfiguration();
  $form['formatter'] = [
    '#tree' => TRUE,
    '#process' => [
      [
        $this,
        'formatterSettingsProcessCallback',
      ],
    ],
  ];
  $form['formatter']['label'] = [
    '#type' => 'select',
    '#title' => $this->t('Label'),
    '#options' => $this->getFieldLabelOptions(),
    '#default_value' => $config['formatter']['label'],
  ];
  $form['formatter']['type'] = [
    '#type' => 'select',
    '#title' => $this->t('Formatter'),
    '#options' => $this->getApplicablePluginOptions($this->getFieldDefinition()),
    '#required' => TRUE,
    '#default_value' => $config['formatter']['type'],
    '#ajax' => [
      'callback' => [
        static::class,
        'formatterSettingsAjaxCallback',
      ],
      'wrapper' => 'formatter-settings-wrapper',
    ],
  ];
  // Add the formatter settings to the form via AJAX.
  $form['formatter']['settings_wrapper'] = [
    '#prefix' => '<div id="formatter-settings-wrapper">',
    '#suffix' => '</div>',
  ];
  return $form;
}