public function GridStackStylizer::getMergedClasses in GridStack 8.2

Returns classes that can be used for select options.

Overrides GridStackStylizerInterface::getMergedClasses

File

src/GridStackStylizer.php, line 258

Class

GridStackStylizer

Implements GridStackStylizerInterface.

Namespace

Drupal\gridstack

Code

public function getMergedClasses($flatten = FALSE, array $framework_classes = []) {
  $cid = $flatten ? 'gridstack_classes_flattened' : 'gridstack_classes_grouped';
  if ($cache = $this->cacheBackend
    ->get($cid)) {
    return $cache->data;
  }
  $output = [];
  if ($classes = $this
    ->mergeFrameworkAndInternalClasses($framework_classes)) {
    $grouped = $ungrouped = [];
    foreach ($classes as $group => $data) {
      $grouped[$group] = $data;
      $items = [];
      foreach ($data as $datum) {
        $items[] = $datum;
      }
      $ungrouped = NestedArray::mergeDeep($ungrouped, $items);
    }

    // Do not use array_unique() here, was processed per group instead.
    $output = $flatten ? $ungrouped : $grouped;
    $this->moduleHandler
      ->alter('gridstack_classes_preset', $output, $grouped, $ungrouped, $flatten);
    ksort($output);
    $count = count($output);
    $tags = Cache::buildTags($cid, [
      'count:' . $count,
    ]);
    $this->cacheBackend
      ->set($cid, $output, Cache::PERMANENT, $tags);
  }
  return $output;
}