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Commit 44b1f645 authored by alexpott's avatar alexpott
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Issue #2100577 by pwolanin, dawehner: Decouple book module from menu.inc (Phase 1).

parent f22264a4
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core/modules/book/book.module
View file @ 44b1f645
......@@ -306,8 +306,8 @@ function book_get_flat_menu($book_link) {
$flat = &drupal_static(__FUNCTION__, array());
if (!isset($flat[$book_link['mlid']])) {
// Call menu_tree_all_data() to take advantage of the menu system's caching.
$tree = menu_tree_all_data($book_link['menu_name'], $book_link, $book_link['depth'] + 1);
// Call bookTreeAllData() to take advantage of the menu system's caching.
$tree = \Drupal::service('book.manager')->bookTreeAllData($book_link['menu_name'], $book_link, $book_link['depth'] + 1);
$flat[$book_link['mlid']] = array();
_book_flatten_menu($tree, $flat[$book_link['mlid']]);
}
......@@ -363,7 +363,7 @@ function book_prev($book_link) {
// The previous page in the book may be a child of the previous visible link.
if ($prev['depth'] == $book_link['depth'] && $prev['has_children']) {
// The subtree will have only one link at the top level - get its data.
$tree = book_menu_subtree_data($prev);
$tree = \Drupal::service('book.manager')->bookMenuSubtreeData($prev);
$data = array_shift($tree);
// The link of interest is the last child - iterate to find the deepest one.
while ($data['below']) {
......@@ -430,7 +430,7 @@ function book_children($book_link) {
}
if ($children) {
$elements = menu_tree_output($children);
$elements = \Drupal::service('book.manager')->bookTreeOutput($children);
return drupal_render($elements);
}
return '';
......@@ -473,20 +473,6 @@ function book_node_view(EntityInterface $node, EntityDisplay $display, $view_mod
}
}
/**
* Implements hook_page_alter().
*
* Adds the book menu to the list of menus used to build the active trail when
* viewing a book page.
*/
function book_page_alter(&$page) {
if (($node = menu_get_object()) && !empty($node->book['bid'])) {
$active_menus = menu_get_active_menu_names();
$active_menus[] = $node->book['menu_name'];
menu_set_active_menu_names($active_menus);
}
}
/**
* Implements hook_node_presave().
*/
......@@ -549,6 +535,7 @@ function book_node_predelete(EntityInterface $node) {
\Drupal::service('book.manager')->updateOutline($child_node);
}
}
// @todo - remove this call when we change the schema.
menu_link_delete($node->book['mlid']);
db_delete('book')
->condition('mlid', $node->book['mlid'])
......@@ -825,78 +812,6 @@ function book_link_load($mlid) {
return entity_load('menu_link', $mlid);
}
/**
* Gets the data representing a subtree of the book hierarchy.
*
* The root of the subtree will be the link passed as a parameter, so the
* returned tree will contain this item and all its descendents in the menu
* tree.
*
* @param $link
* A fully loaded menu link.
*
* @return
* A subtree of menu links in an array, in the order they should be rendered.
*/
function book_menu_subtree_data($link) {
$tree = &drupal_static(__FUNCTION__, array());
// Generate a cache ID (cid) specific for this $menu_name and $link.
$cid = 'links:' . $link['menu_name'] . ':subtree-cid:' . $link['mlid'];
if (!isset($tree[$cid])) {
$cache = cache('menu')->get($cid);
if ($cache && isset($cache->data)) {
// If the cache entry exists, it will just be the cid for the actual data.
// This avoids duplication of large amounts of data.
$cache = cache('menu')->get($cache->data);
if ($cache && isset($cache->data)) {
$data = $cache->data;
}
}
// If the subtree data was not in the cache, $data will be NULL.
if (!isset($data)) {
$query = db_select('menu_links', 'ml', array('fetch' => PDO::FETCH_ASSOC));
$query->join('menu_router', 'm', 'm.path = ml.router_path');
$query->join('book', 'b', 'ml.mlid = b.mlid');
$query->fields('b');
$query->fields('m', array('load_functions', 'to_arg_functions', 'access_callback', 'access_arguments', 'page_callback', 'page_arguments', 'title', 'title_callback', 'title_arguments', 'type'));
$query->fields('ml');
$query->condition('menu_name', $link['menu_name']);
for ($i = 1; $i <= MENU_MAX_DEPTH && $link["p$i"]; ++$i) {
$query->condition("p$i", $link["p$i"]);
}
for ($i = 1; $i <= MENU_MAX_DEPTH; ++$i) {
$query->orderBy("p$i");
}
$links = array();
foreach ($query->execute() as $item) {
$links[] = $item;
}
$data['tree'] = menu_tree_data($links, array(), $link['depth']);
$data['node_links'] = array();
menu_tree_collect_node_links($data['tree'], $data['node_links']);
// Compute the real cid for book subtree data.
$tree_cid = 'links:' . $item['menu_name'] . ':subtree-data:' . hash('sha256', serialize($data));
// Cache the data, if it is not already in the cache.
if (!cache('menu')->get($tree_cid)) {
cache('menu')->set($tree_cid, $data);
}
// Cache the cid of the (shared) data using the menu and item-specific cid.
cache('menu')->set($cid, $tree_cid);
}
// Check access for the current user to each item in the tree.
menu_tree_check_access($data['tree'], $data['node_links']);
$tree[$cid] = $data['tree'];
}
return $tree[$cid];
}
/**
* Implements hook_library_info().
*/
......
core/modules/book/lib/Drupal/book/BookExport.php
View file @ 44b1f645
......@@ -68,7 +68,7 @@ public function bookExportHtml(NodeInterface $node) {
throw new \Exception();
}
$tree = book_menu_subtree_data($node->book);
$tree = \Drupal::service('book.manager')->bookMenuSubtreeData($node->book);
$contents = $this->exportTraverse($tree, array($this, 'bookNodeExport'));
return array(
'#theme' => 'book_export_html',
......
core/modules/book/lib/Drupal/book/Form/BookAdminEditForm.php
View file @ 44b1f645
......@@ -163,7 +163,7 @@ protected function bookAdminTable(NodeInterface $node, array &$form) {
'#tree' => TRUE,
);
$tree = book_menu_subtree_data($node->book);
$tree = \Drupal::service('book.manager')->bookMenuSubtreeData($node->book);
// Do not include the book item itself.
$tree = array_shift($tree);
if ($tree['below']) {
......
core/modules/book/lib/Drupal/book/Plugin/Block/BookNavigationBlock.php
View file @ 44b1f645
......@@ -73,7 +73,8 @@ public function build() {
if ($book['bid'] == $current_bid) {
// If the current page is a node associated with a book, the menu
// needs to be retrieved.
$book_menus[$book_id] = menu_tree_output(menu_tree_all_data($node->book['menu_name'], $node->book));
$data = \Drupal::service('book.manager')->bookTreeAllData($node->book['menu_name'], $node->book);
$book_menus[$book_id] = \Drupal::service('book.manager')->bookTreeOutput($data);
}
else {
// Since we know we will only display a link to the top node, there
......@@ -83,7 +84,7 @@ public function build() {
$book_node = node_load($book['nid']);
$book['access'] = $book_node->access('view');
$pseudo_tree[0]['link'] = $book;
$book_menus[$book_id] = menu_tree_output($pseudo_tree);
$book_menus[$book_id] = \Drupal::service('book.manager')->bookTreeOutput($pseudo_tree);
}
}
if ($book_menus) {
......@@ -101,10 +102,10 @@ public function build() {
$nid = $select->execute()->fetchField();
// Only show the block if the user has view access for the top-level node.
if ($nid) {
$tree = menu_tree_all_data($node->book['menu_name'], $node->book);
$tree = \Drupal::service('book.manager')->bookTreeAllData($node->book['menu_name'], $node->book);
// There should only be one element at the top level.
$data = array_shift($tree);
$below = menu_tree_output($data['below']);
$below = \Drupal::service('book.manager')->bookTreeOutput($data['below']);
if (!empty($below)) {
$book_title_link = array('#theme' => 'book_title_link', '#link' => $data['link']);
return array(
......
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