public function GeofieldItem::storageSettingsForm in Geofield 8

Returns a form for the storage-level settings.

Invoked from \Drupal\field_ui\Form\FieldStorageConfigEditForm to allow administrators to configure storage-level settings.

Field storage might reject settings changes that affect the field storage schema if the storage already has data. When the $has_data parameter is TRUE, the form should not allow changing the settings that take part in the schema() method. It is recommended to set #access to FALSE on the corresponding elements.

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.

bool $has_data: TRUE if the field already has data, FALSE if not.

Return value

array The form definition for the field settings.

Overrides FieldItemBase::storageSettingsForm

File

src/Plugin/Field/FieldType/GeofieldItem.php, line 162

Class

GeofieldItem

Plugin implementation of the 'geofield' field type.

Namespace

Drupal\geofield\Plugin\Field\FieldType

Code

public function storageSettingsForm(array &$form, FormStateInterface $form_state, $has_data) {
  $settings = $this
    ->getSettings();

  // Provides a field for the geofield storage backend plugin.
  $backend_manager = \Drupal::service('plugin.manager.geofield_backend');
  $backends = $backend_manager
    ->getDefinitions();
  $backend_options = [];
  $backend_descriptions_list = '<ul>';
  foreach ($backends as $id => $backend) {
    $backend_options[$id] = $backend['admin_label'];
    $backend_descriptions_list .= '<li>' . $backend['admin_label'] . ': ' . $backend['description'] . '</li>';
  }
  $element['backend'] = [
    '#type' => 'select',
    '#title' => $this
      ->t('Storage backend'),
    '#default_value' => $settings['backend'],
    '#options' => $backend_options,
    '#description' => [
      '#markup' => $this
        ->t('Select the Backend for storing Geofield data. The following are available: @backend_descriptions_list', [
        '@backend_descriptions_list' => new FormattableMarkup($backend_descriptions_list, []),
      ]),
    ],
    '#disabled' => $has_data,
  ];
  return $element;
}