function nd_book_navigation in Node displays 7

Same name and namespace in other branches

1. 6.3 nd.module \nd_book_navigation()
2. 6.2 nd.module \nd_book_navigation()

Book navigation.

File

./nd.module, line 520

Node displays.

Code

function nd_book_navigation($field) {
  $field = $field['field'];
  $content = '';
  if (isset($field['object']->content['book_navigation'])) {
    if (isset($field['object']->content['book_navigation']['#value'])) {
      $content = $field['object']->content['book_navigation']['#value'];
    }
    elseif (isset($field['object']->book['bid']) && !empty($field['object']->book['bid'])) {
      $content = theme('book_navigation', $field['object']->book);
    }
  }
  else {
    if (isset($field['object']->book['bid']) && !empty($field['object']->book['bid'])) {
      $content = theme('book_navigation', $field['object']->book);
    }
  }
  return $content;
}