protected function MenuParentFormSelector::getParentDepthLimit in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Menu/MenuParentFormSelector.php \Drupal\Core\Menu\MenuParentFormSelector::getParentDepthLimit()

Returns the maximum depth of the possible parents of the menu link.

Parameters

string $id: The menu link plugin ID or an empty value for a new link.

Return value

int The depth related to the depth of the given menu link.

1 call to MenuParentFormSelector::getParentDepthLimit()

MenuParentFormSelector::getParentSelectOptions in core/lib/Drupal/Core/Menu/MenuParentFormSelector.php

Gets the options for a select element to choose a menu and parent.

File

core/lib/Drupal/Core/Menu/MenuParentFormSelector.php, line 113

Class

MenuParentFormSelector

Default implementation of the menu parent form selector service.

Namespace

Drupal\Core\Menu

Code

protected function getParentDepthLimit($id) {
  if ($id) {
    $limit = $this->menuLinkTree
      ->maxDepth() - $this->menuLinkTree
      ->getSubtreeHeight($id);
  }
  else {
    $limit = $this->menuLinkTree
      ->maxDepth() - 1;
  }
  return $limit;
}