public static function FormatterHelper::formProcess in Field Group 8.3

Process callback for field groups.

Parameters

array $element: Form that is being processed.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

array $form: The complete form structure.

Return value

array

2 calls to FormatterHelper::formProcess()

field_group_form_process in ./field_group.module

Process callback for field groups.

field_group_inline_entity_form_entity_form_alter in ./field_group.module

Implements hook_inline_entity_form_entity_form_alter().

File

src/FormatterHelper.php, line 61

Class

FormatterHelper

Static methods for fieldgroup formatters.

Namespace

Drupal\field_group

Code

public static function formProcess(array &$element, FormStateInterface $form_state = NULL, array &$form = []) {
  if (empty($element['#field_group_form_process'])) {
    $element['#field_group_form_process'] = TRUE;
    if (empty($element['#fieldgroups'])) {
      return $element;
    }

    // Create all groups and keep a flat list of references to these groups.
    $group_references = [];
    foreach ($element['#fieldgroups'] as $group_name => $group) {
      if (!isset($element[$group_name])) {
        $element[$group_name] = [];
      }
      $group_parents = $element['#array_parents'];
      $group_parents[] = empty($group->parent_name) ? $group->region : $group->parent_name;
      $group_references[$group_name] =& $element[$group_name];
      $element[$group_name]['#group'] = implode('][', $group_parents);

      // Use array parents to set the group name. This will cover multilevel forms (eg paragraphs).
      $parents = $element['#array_parents'];
      $parents[] = $group_name;
      $element[$group_name]['#parents'] = $parents;
      $group_children_parent_group = implode('][', $parents);
      foreach ($group->children as $child) {
        if (!empty($element[$child]['#field_group_ignore'])) {
          continue;
        }
        $element[$child]['#group'] = $group_children_parent_group;
      }
    }
    foreach ($element['#fieldgroups'] as $group_name => $group) {
      $field_group_element =& $element[$group_name];

      // Let modules define their wrapping element.
      // Note that the group element has no properties, only elements.
      foreach (Drupal::moduleHandler()
        ->getImplementations('field_group_form_process') as $module) {

        // The intention here is to have the opportunity to alter the
        // elements, as defined in hook_field_group_formatter_info.
        // Note, implement $element by reference!
        $function = $module . '_field_group_form_process';
        $function($field_group_element, $group, $element);
      }

      // Allow others to alter the pre_render.
      Drupal::moduleHandler()
        ->alter('field_group_form_process', $field_group_element, $group, $element);
    }

    // Allow others to alter the complete processed build.
    Drupal::moduleHandler()
      ->alter('field_group_form_process_build', $element, $form_state, $form);
  }
  return $element;
}