Информация. Содержание книги — 2
Этот код выведет на страницу содержание книги, начиная с указанного ID. Сниппет можно использовать как в содержании документа, так и в содержаниии блока.
Drupal 4.7 и 5 (код для 4.6 закомментирован)
<?php
$book_top_page = 100; // Верхняя страница
$levels_deep = 5; // Глубина ссылок
$emulate_book_block = true;
if (!function_exists('book_struct_recurse')){
function book_struct_recurse($nid, $levels_deep, $children, $current_lineage = array(), $emulate_book_block = true) {
$struct = '';
if ($children[$nid] && ($levels_deep > 0 || ($emulate_book_block && in_array($nid, $current_lineage)))) {
$struct = '<ul>';
foreach ($children[$nid] as $key => $node) {
if ($tree = book_struct_recurse($node->nid, $levels_deep - 1, $children, $current_lineage, $emulate_book_block)) {
$struct .= '<li class="expanded">';
$struct .= l($node->title, 'node/'. $node->nid);
$struct .= $tree;
$struct .= '</li>';
}
else {
if ($children[$node->nid]){
$struct .= '<li class="collapsed">'. l($node->title, 'node/'. $node->nid) .'</li>';
}
else {
$struct .= '<li class="leaf">'. l($node->title, 'node/'. $node->nid) .'</li>';
}
}
}
$struct .= '</ul>';
return $struct;
}
}
}
$current_lineage = array();
// Версия для Drupal 4.6
// $result = db_query(db_rewrite_sql('SELECT n.nid, n.title, b.parent, b.weight FROM {node} n INNER JOIN {book} b ON n.nid = b.nid WHERE n.status = 1 ORDER BY b.weight, n.title'));
// Версия для Drupal 4.7 и Drupal 5
$result = db_query(db_rewrite_sql('SELECT n.nid, n.title, b.parent, b.weight FROM {node} n INNER JOIN {book} b ON n.nid = b.nid AND n.vid = b.vid WHERE n.status = 1 ORDER BY b.weight, n.title'));
while ($node = db_fetch_object($result)) {
if (!$children[$node->parent]) {
$children[$node->parent] = array();
}
array_push($children[$node->parent], $node);
if (arg(0) == 'node' && is_numeric(arg(1)) && arg(1) == $node->nid) {
$_temp = book_location($node);
foreach ($_temp as $key => $val){
$current_lineage[] = $val->nid;
}
$current_lineage[] = arg(1);
}
}
echo book_struct_recurse($book_top_page, $levels_deep, $children, $current_lineage, $emulate_book_block);
?>Drupal 4.7 и 5 (код для 4.6 закомментирован). Другая версия
<?php
$book_top_page = 63; // Верхняя страница
$levels_deep = 2; // Глубина ссылок
$emulate_book_block = true;
if (!function_exists('book_struct_recurse')){
function book_struct_recurse($nid, $levels_deep, $children, $current_lineage = array(), $emulate_book_block = true) {
$struct = '';
if ($children[$nid] && ($levels_deep > 0 || ($emulate_book_block && in_array($nid, $current_lineage)))) {
$struct = '<ul>';
foreach ($children[$nid] as $key => $node) {
if ($tree = book_struct_recurse($node->nid, $levels_deep - 1, $children, $current_lineage, $emulate_book_block)) {
$struct .= '<li>';
$struct .= l($node->title, 'node/'. $node->nid);
$struct .= $tree;
$struct .= '</li>';
}
else {
if ($children[$node->nid]){
$struct .= '<li>'. l($node->title, 'node/'. $node->nid) .'</li>';
}
else {
$struct .= '<li>'. l($node->title, 'node/'. $node->nid) .'</li>';
}
}
}
$struct .= '</ul>';
return $struct;
}
}
}
$current_lineage = array();
// Версия для Drupal 4.6
// $result = db_query(db_rewrite_sql('SELECT n.nid, n.title, b.parent, b.weight FROM {node} n INNER JOIN {book} b ON n.nid = b.nid WHERE n.status = 1 ORDER BY b.weight, n.title'));
// Версия для Drupal 4.7 и Drupal 5
$result = db_query(db_rewrite_sql('SELECT n.nid, n.title, b.parent, b.weight FROM {node} n INNER JOIN {book} b ON n.nid = b.nid AND n.vid = b.vid WHERE n.status = 1 ORDER BY b.weight, n.title'));
while ($node = db_fetch_object($result)) {
if (!$children[$node->parent]) {
$children[$node->parent] = array();
}
array_push($children[$node->parent], $node);
if (arg(0) == 'node' && is_numeric(arg(1)) && arg(1) == $node->nid) {
$_temp = book_location($node);
foreach ($_temp as $key => $val){
$current_lineage[] = $val->nid;
}
$current_lineage[] = arg(1);
}
}
echo book_struct_recurse($book_top_page, $levels_deep, $children, $current_lineage, $emulate_book_block);
?>Drupal 6
<?php
$book_top_page = 1; // Верхняя страница
$levels_deep = 3; // Глубина ссылок
$emulate_book_block = true;
if (!function_exists('book_struct_recurse')){
function book_struct_recurse($nid, $levels_deep, $children, $current_lineage = array(), $emulate_book_block = true) {
$struct = '';
if ($children[$nid] && ($levels_deep > 0 || ($emulate_book_block && in_array($nid, $current_lineage)))) {
$struct = '<ul>';
foreach ($children[$nid] as $key => $node) {
if ($tree = book_struct_recurse($node->nid, $levels_deep - 1, $children, $current_lineage, $emulate_book_block)) {
$struct .= '<li>';
$struct .= l($node->title, 'node/'. $node->nid);
$struct .= $tree;
$struct .= '</li>';
}
else {
if ($children[$node->nid]){
$struct .= '<li>'. l($node->title, 'node/'. $node->nid) .'</li>';
}
else {
$struct .= '<li>'. l($node->title, 'node/'. $node->nid) .'</li>';
}
}
}
$struct .= '</ul>';
return $struct;
}
}
}
$current_lineage = array();
$result = db_query(db_rewrite_sql('SELECT n.nid, n.title, n2.nid parent, ml.weight
FROM {node} n
INNER JOIN {book} b ON n.nid = b.nid
INNER JOIN {menu_links} ml ON b.mlid = ml.mlid
INNER JOIN {book} b2 on b2.mlid = ml.plid
INNER JOIN {node} n2 on b2.nid = n2.nid
WHERE n.status =1
ORDER BY ml.weight, n.title'));
while ($node = db_fetch_object($result)) {
if (!$children[$node->parent]) {
$children[$node->parent] = array();
}
array_push($children[$node->parent], $node);
/* This function is broken, and for my purposes, not needed **********
if (arg(0) == 'node' && is_numeric(arg(1)) && arg(1) == $node->nid) {
$_temp = book_location($node);
foreach ($_temp as $key => $val){
$current_lineage[] = $val->nid;
}
$current_lineage[] = arg(1);
}
*/
}
echo book_struct_recurse($book_top_page, $levels_deep, $children, $current_lineage, $emulate_book_block);
?>
02.11.2007
Comments
Можно добавить и содержание книги 3 для Д6 http://drupal.org/node/209336
Только вот минус в том, что первая страница книги - нода с текстом. А в меню она неотображается. Начинаеться сразу со второй. Неподскажите решение?
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