protected function FieldOverview::getExistingFieldOptions

Returns an array of existing fields to be added to a bundle.

Return value

array An array of existing fields keyed by field name.

File

drupal/core/modules/field_ui/lib/Drupal/field_ui/FieldOverview.php, line 737

Contains \Drupal\field_ui\FieldOverview.

Class

FieldOverview

Field UI field overview form.

Namespace

Code

protected function getExistingFieldOptions() {
  $info = array();
  $field_types = field_info_field_types();
  foreach (field_info_instances() as $existing_entity_type => $bundles) {
    foreach ($bundles as $existing_bundle => $instances) {

      // No need to look in the current bundle.
      if (!($existing_bundle == $this->bundle && $existing_entity_type == $this->entity_type)) {
        foreach ($instances as $instance) {
          $field = field_info_field($instance['field_name']);

          // Don't show
          // - locked fields,
          // - fields already in the current bundle,
          // - fields that cannot be added to the entity type,
          // - fields that should not be added via user interface.
          if (empty($field['locked']) && !field_info_instance($this->entity_type, $field['field_name'], $this->bundle) && (empty($field['entity_types']) || in_array($this->entity_type, $field['entity_types'])) && empty($field_types[$field['type']]['no_ui'])) {
            $widget = entity_get_form_display($instance['entity_type'], $instance['bundle'], 'default')
              ->getComponent($instance['field_name']);
            $info[$instance['field_name']] = array(
              'type' => $field['type'],
              'type_label' => $field_types[$field['type']]['label'],
              'field' => $field['field_name'],
              'label' => $instance['label'],
              'widget_type' => $widget['type'],
            );
          }
        }
      }
    }
  }
  return $info;
}