book_nodeapi
modules/book/book.module, строка 427
- Версии
- 5 – 6
book_nodeapi(&$node, $op, $teaser, $page)
Implementation of hook_nodeapi()
.
Appends book navigation to all nodes in the book.
Код
<?php
function book_nodeapi(&$node, $op, $teaser, $page) {
switch ($op) {
case 'load':
return db_fetch_array(db_query('SELECT parent, weight FROM {book} WHERE vid = %d', $node->vid));
break;
case 'view':
if (!$teaser) {
if (isset($node->parent)) {
$path = book_location($node);
// Construct the breadcrumb:
$node->breadcrumb = array(); // Overwrite the trail with a book trail.
foreach ($path as $level) {
$node->breadcrumb[] = array('path' => 'node/'. $level->nid, 'title' => $level->title);
}
$node->breadcrumb[] = array('path' => 'node/'. $node->nid);
$node->content['book_navigation'] = array(
'#value' => theme('book_navigation', $node),
'#weight' => 100,
);
if ($page) {
menu_set_location($node->breadcrumb);
}
}
}
break;
case 'update':
if (isset($node->parent)) {
if ($node->revision) {
db_query("INSERT INTO {book} (nid, vid, parent, weight) VALUES (%d, %d, %d, %d)", $node->nid, $node->vid, $node->parent, $node->weight);
}
else {
db_query("UPDATE {book} SET parent = %d, weight = %d WHERE vid = %d", $node->parent, $node->weight, $node->vid);
}
}
break;
case 'delete revision':
db_query('DELETE FROM {book} WHERE vid = %d', $node->vid);
break;
case 'delete':
db_query('DELETE FROM {book} WHERE nid = %d', $node->nid);
break;
}
}
?>
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