public function FieldLayoutEntityDisplayFormTrait::form in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/field_layout/src/Form/FieldLayoutEntityDisplayFormTrait.php \Drupal\field_layout\Form\FieldLayoutEntityDisplayFormTrait::form()
2. 10 core/modules/field_layout/src/Form/FieldLayoutEntityDisplayFormTrait.php \Drupal\field_layout\Form\FieldLayoutEntityDisplayFormTrait::form()

Overrides \Drupal\field_ui\Form\EntityDisplayFormBase::form().

File

core/modules/field_layout/src/Form/FieldLayoutEntityDisplayFormTrait.php, line 51

Class

FieldLayoutEntityDisplayFormTrait

Provides shared code for entity display forms.

Namespace

Drupal\field_layout\Form

Code

public function form(array $form, FormStateInterface $form_state) {
  $form = parent::form($form, $form_state);
  $form['field_layouts'] = [
    '#type' => 'details',
    '#title' => $this
      ->t('Layout settings'),
  ];
  $layout_plugin = $this
    ->getLayout($this
    ->getEntity(), $form_state);
  $form['field_layouts']['field_layout'] = [
    '#type' => 'select',
    '#title' => $this
      ->t('Select a layout'),
    '#options' => $this->layoutPluginManager
      ->getLayoutOptions(),
    '#default_value' => $layout_plugin
      ->getPluginId(),
    '#ajax' => [
      'callback' => '::settingsAjax',
      'wrapper' => 'field-layout-settings-wrapper',
      'trigger_as' => [
        'name' => 'field_layout_change',
      ],
    ],
  ];
  $form['field_layouts']['submit'] = [
    '#type' => 'submit',
    '#name' => 'field_layout_change',
    '#value' => $this
      ->t('Change layout'),
    '#submit' => [
      '::settingsAjaxSubmit',
    ],
    '#attributes' => [
      'class' => [
        'js-hide',
      ],
    ],
    '#ajax' => [
      'callback' => '::settingsAjax',
      'wrapper' => 'field-layout-settings-wrapper',
    ],
  ];
  $form['field_layouts']['settings_wrapper'] = [
    '#type' => 'container',
    '#id' => 'field-layout-settings-wrapper',
    '#tree' => TRUE,
  ];
  $form['field_layouts']['settings_wrapper']['icon'] = $layout_plugin
    ->getPluginDefinition()
    ->getIcon();
  if ($layout_plugin instanceof PluginFormInterface) {
    $form['field_layouts']['settings_wrapper']['layout_settings'] = [];
    $subform_state = SubformState::createForSubform($form['field_layouts']['settings_wrapper']['layout_settings'], $form, $form_state);
    $form['field_layouts']['settings_wrapper']['layout_settings'] = $layout_plugin
      ->buildConfigurationForm($form['field_layouts']['settings_wrapper']['layout_settings'], $subform_state);
  }
  return $form;
}