public BookOutline::childrenLinks(array $book_link)
Formats the book links for the child pages of the current page.
Parameters
array $book_link: A fully loaded book link that is part of the book hierarchy.
Return value
array HTML for the links to the child pages of the current page.
File
- core/modules/book/src/BookOutline.php, line 105
Class
- BookOutline
- Provides handling to render the book outline.
Namespace
Drupal\book
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | public function childrenLinks(array $book_link) { $flat = $this->bookManager->bookTreeGetFlat($book_link); $children = array(); if ($book_link['has_children']) { // Walk through the array until we find the current page. do { $link = array_shift($flat); } while ($link && ($link['nid'] != $book_link['nid'])); // Continue though the array and collect the links whose parent is this page. while (($link = array_shift($flat)) && $link['pid'] == $book_link['nid']) { $data['link'] = $link; $data['below'] = ''; $children[] = $data; } } if ($children) { return $this->bookManager->bookTreeOutput($children); } return '';} |
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