function field_group_field_layout_fields_nest in Field Group 8.3

Nests all the fields in the field groups.

Ror entity display elements managed by field layout.

Parameters

array $element:

$vars:

$context:

1 call to field_group_field_layout_fields_nest()

field_group_build_entity_groups in ./field_group.module

Pre-render callback for entity views.

File

./field_group.module, line 740

Allows administrators to attach field groups.

Code

function field_group_field_layout_fields_nest(array &$element, &$vars = NULL, $context = NULL) {

  // Create all groups and keep a flat list of references to these groups.
  $group_references = [];
  foreach ($element['#fieldgroups'] as $group_name => $group) {

    // Construct own weight, as some fields (for example preprocess fields)
    // don't have weight set.
    if (!isset($element[$group_name])) {
      $element[$group_name] = [];
    }
    $group_references[$group_name] =& $element[$group_name];
  }

  // Loop through all children looking for those that are supposed to be
  // in groups, and insert placeholder element for the new group field in the
  // correct location within the form structure.
  $element_clone = [];
  foreach (Element::children($element['_field_layout']) as $region_name) {
    foreach (Element::children($element['_field_layout'][$region_name]) as $child_name) {
      $element_clone['_field_layout'][$region_name][$child_name] = $element['_field_layout'][$region_name][$child_name];

      // If this element is in a group, create the placeholder element.
      if (isset($element['_field_layout'][$region_name]['#group_children'][$child_name])) {
        $element_clone['_field_layout'][$region_name][$element['#group_children'][$child_name]] = [];
      }
    }
  }
  $element = array_merge($element_clone, $element);

  // Move all children to their parents. Use the flat list of references for
  // direct access as we don't know where in the root_element hierarchy the
  // parent currently is situated.
  foreach ($element['#group_children'] as $child_name => $group_name) {
    $region = $element['#fieldgroups'][$group_name]->region;

    // If not a group, check the content variable for empty field.
    $key = field_group_get_content_element_key($context);
    if (!isset($element['#fieldgroups'][$child_name]) && isset($vars[$key]['_field_layout'][$region][$child_name])) {

      // ECK marks his default properties as printed, while it is not printed yet.
      if ($context === 'eck_entity' && !empty($vars[$key]['_field_layout'][$region][$child_name]['#printed'])) {
        $vars[$key]['_field_layout'][$region][$child_name]['#printed'] = FALSE;
      }
      $group_references[$group_name][$child_name] = $vars[$key]['_field_layout'][$region][$child_name];
      unset($vars[$key]['_field_layout'][$region][$child_name]);
    }
    else {
      $group_references[$group_name][$child_name] =& $element[$child_name];
      unset($element[$child_name]);
    }
  }

  // Bring extra element wrappers to achieve a grouping of fields.
  // This will mainly be prefix and suffix altering.
  foreach ($element['#fieldgroups'] as $group_name => $group) {
    field_group_pre_render($group_references[$group_name], $group, $element);
  }
}