function _bricks_nest_items in Bricks​ 8

Same name and namespace in other branches

1. 2.x bricks.module \_bricks_nest_items()

Helper function: converts element's items to a tree structure.

1 call to _bricks_nest_items()

bricks_preprocess_field in ./bricks.module

Prepares variables for `field.html.twig`.

File

./bricks.module, line 24

Code

function _bricks_nest_items($element, $items) {

  // Prepare items:
  $parents = [
    -1,
  ];
  $prev_depth = 0;
  foreach ($items as $delta => $item) {
    if (!$element['#items'][$delta]->entity) {
      unset($element['#items'][$delta]);
      unset($items[$delta]);
      continue;
    }
    $depth = $element['#items'][$delta]->depth;
    if ($depth > $prev_depth) {
      array_unshift($parents, $delta - 1);
    }
    elseif ($depth < $prev_depth) {
      array_splice($parents, 0, $prev_depth - $depth);
    }
    $prev_depth = $depth;
    $items[$delta] = $items[$delta]['content'];
    $items[$delta]['#label'] = $element['#items'][$delta]->entity
      ->label();
    $items[$delta]['#delta'] = $delta;
    $items[$delta]['#parent_delta'] = $parents[0];
    $items[$delta]['#attributes']['class'][] = 'brick';
    $items[$delta]['#attributes']['class'][] = 'brick--type--' . Html::cleanCssIdentifier($element['#items'][$delta]->entity
      ->bundle());
    $items[$delta]['#attributes']['class'][] = 'brick--id--' . $element['#items'][$delta]->entity
      ->id();
    $items[$delta]['childs'] = [];
    if (!empty($element['#items'][$delta]->options['view_mode'])) {
      $items[$delta]['#view_mode'] = $element['#items'][$delta]->options['view_mode'];
    }
    if (!empty($element['#items'][$delta]->options['layout'])) {
      $items[$delta]['#layout'] = $element['#items'][$delta]->options['layout'];
    }
    if (!empty($element['#items'][$delta]->options['css_class'])) {
      $items[$delta]['#attributes']['class'][] = $element['#items'][$delta]->options['css_class'];
    }

    // Disable entity render cache, rely on field cache:
    $items[$delta]['#cache'] = [
      'disabled' => TRUE,
    ];
  }

  // Process items in reverse order (without recursion):
  $rdeltas = array_reverse(array_keys($items));
  foreach ($rdeltas as $delta) {
    $parent_delta = $items[$delta]['#parent_delta'];
    if (!empty($items[$delta]['#layout']) && \Drupal::service('module_handler')
      ->moduleExists('layout_discovery')) {
      $items[$delta] = array_intersect_key($items[$delta], array_flip([
        '#label',
        '#attributes',
      ])) + _bricks_build_layout_from_items($items[$delta]['#layout'], $items[$delta]['childs']);
    }
    if ($parent_delta != -1) {
      array_unshift($items[$parent_delta]['childs'], $items[$delta]);
      unset($items[$delta]);
    }
  }
  return $items;
}