function book_tree in Drupal 5

Same name and namespace in other branches

1. 4 modules/book.module \book_tree()

Returns an HTML nested list (wrapped in a menu-class div) representing the book nodes as a tree.

2 calls to book_tree()

book_block in modules/book/book.module

Implementation of hook_block().

theme_book_navigation in modules/book/book.module

Prepares the links to children (TOC) and forward/backward navigation for a node presented as a book page.

File

modules/book/book.module, line 593

Allows users to collaboratively author a book.

Code

function book_tree($parent = 0, $depth = 3, $unfold = array()) {
  $result = db_query(db_rewrite_sql('SELECT n.nid, n.title, b.parent, b.weight FROM {node} n INNER JOIN {book} b ON n.vid = b.vid WHERE n.status = 1 ORDER BY b.weight, n.title'));
  while ($node = db_fetch_object($result)) {
    $list = isset($children[$node->parent]) ? $children[$node->parent] : array();
    $list[] = $node;
    $children[$node->parent] = $list;
  }
  if ($tree = book_tree_recurse($parent, $depth, $children, $unfold)) {
    return '<ul class="menu">' . $tree . '</ul>';
  }
}