1.12.x book.module _book_node_is_removable($node)
1.10.x book.module _book_node_is_removable($node)
1.11.x book.module _book_node_is_removable($node)
1.7.x book.module _book_node_is_removable($node)
1.8.x book.module _book_node_is_removable($node)
1.9.x book.module _book_node_is_removable($node)

Determines if a node can be removed from the book.

A node can be removed from a book if it is actually in a book and it either is not a top-level page or is a top-level page with no children.

Parameters

$node: The node to remove from the outline.

File

modules/book/book.module, line 213
Allows users to create and organize related content in an outline.

Code

function _book_node_is_removable($node) {
  return (!empty($node->book['bid']) && (($node->book['bid'] != $node->nid) || !$node->book['has_children']));
}