function _book_parent_depth_limit in Drupal 7
Same name and namespace in other branches
- 6 modules/book/book.module \_book_parent_depth_limit()
Finds the depth limit for items in the parent select.
Parameters
$book_link: A fully loaded menu link that is part of the book hierarchy.
Return value
The depth limit for items in the parent select.
2 calls to _book_parent_depth_limit()
- book_node_prepare in modules/
book/ book.module - Implements hook_node_prepare().
- book_outline_form in modules/
book/ book.pages.inc - Form constructor for the book outline form.
File
- modules/
book/ book.module, line 1029 - Allows users to create and organize related content in an outline.
Code
function _book_parent_depth_limit($book_link) {
return MENU_MAX_DEPTH - 1 - ($book_link['mlid'] && $book_link['has_children'] ? menu_link_children_relative_depth($book_link) : 0);
}