function metatag_form_field_config_edit_form_alter in Metatag 8

Implements hook_form_FORM_ID_alter() for 'field_config_edit_form'.

Configuration defaults are handled via a different mechanism, so do not allow any values to be saved.

File

./metatag.module, line 85

Contains metatag.module.

Code

function metatag_form_field_config_edit_form_alter(&$form, FormStateInterface $form_state) {
  if ($form_state
    ->getFormObject()
    ->getEntity()
    ->getType() == 'metatag') {

    // Hide the required and default value fields.
    $form['required']['#access'] = FALSE;
    $form['required']['#disabled'] = TRUE;
    $form['default_value']['#access'] = FALSE;
    $form['default_value']['#disabled'] = TRUE;

    // Step through the default value structure and erase any '#default_value'
    // items that are found.
    foreach ($form['default_value']['widget'][0] as &$outer) {
      if (is_array($outer)) {
        foreach ($outer as &$inner) {
          if (is_array($inner) && isset($inner['#default_value'])) {
            if (is_array($inner['#default_value'])) {
              $inner['#default_value'] = [];
            }
            else {
              $inner['#default_value'] = NULL;
            }
          }
        }
      }
    }
  }
}