function RulesElementMap::getUnIndexedElements

1 call to RulesElementMap::getUnIndexedElements()
RulesElementMap::index in ui/ui.core.inc
Makes sure each element has an assigned id.

File

ui/ui.core.inc, line 117

Class

RulesElementMap
Helper object for mapping elements to ids.

Code

protected function getUnIndexedElements($element, &$unindexed = array()) {
  // Remember unindexed elements.
  $id = $element->property('elementId');
  if (!isset($id)) {
    $unindexed[] = $element;
  }
  else {
    // Make sure $this->counter refers to the highest id.
    if ($id > $this->counter) {
      $this->counter = $id;
    }
    $this->index[$id] = $element;
  }
  // Recurse down the tree.
  if ($element instanceof RulesContainerPlugin) {
    foreach ($element as $child) {
      $this->getUnIndexedElements($child, $unindexed);
    }
  }
  return $unindexed;
}