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comparison includes/menu.inc @ 5:2427550111ae 6.2

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Drupal 6.2
author Franck Deroche <webmaster@defr.org>
date Tue, 23 Dec 2008 14:30:08 +0100
parents 165d43f946a8
children fff6d4c8c043
comparison
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4:d94886ac61a0 5:2427550111ae
1 <?php 1 <?php
2 // $Id: menu.inc,v 1.255.2.9 2008/02/27 12:12:01 goba Exp $ 2 // $Id: menu.inc,v 1.255.2.11 2008/04/09 21:11:44 goba Exp $
3 3
4 /** 4 /**
5 * @file 5 * @file
6 * API for the Drupal menu system. 6 * API for the Drupal menu system.
7 */ 7 */
770 function menu_tree_all_data($menu_name = 'navigation', $item = NULL) { 770 function menu_tree_all_data($menu_name = 'navigation', $item = NULL) {
771 static $tree = array(); 771 static $tree = array();
772 772
773 // Use $mlid as a flag for whether the data being loaded is for the whole tree. 773 // Use $mlid as a flag for whether the data being loaded is for the whole tree.
774 $mlid = isset($item['mlid']) ? $item['mlid'] : 0; 774 $mlid = isset($item['mlid']) ? $item['mlid'] : 0;
775 // Generate the cache ID. 775 // Generate a cache ID (cid) specific for this $menu_name and $item.
776 $cid = 'links:'. $menu_name .':all:'. $mlid; 776 $cid = 'links:'. $menu_name .':all-cid:'. $mlid;
777 777
778 if (!isset($tree[$cid])) { 778 if (!isset($tree[$cid])) {
779 // If the static variable doesn't have the data, check {cache_menu}. 779 // If the static variable doesn't have the data, check {cache_menu}.
780 $cache = cache_get($cid, 'cache_menu'); 780 $cache = cache_get($cid, 'cache_menu');
781 if ($cache && isset($cache->data)) { 781 if ($cache && isset($cache->data)) {
782 $data = $cache->data; 782 // If the cache entry exists, it will just be the cid for the actual data.
783 } 783 // This avoids duplication of large amounts of data.
784 else { 784 $cache = cache_get($cache->data, 'cache_menu');
785 if ($cache && isset($cache->data)) {
786 $data = $cache->data;
787 }
788 }
789 // If the tree data was not in the cache, $data will be NULL.
790 if (!isset($data)) {
785 // Build and run the query, and build the tree. 791 // Build and run the query, and build the tree.
786 if ($mlid) { 792 if ($mlid) {
787 // The tree is for a single item, so we need to match the values in its 793 // The tree is for a single item, so we need to match the values in its
788 // p columns and 0 (the top level) with the plid values of other links. 794 // p columns and 0 (the top level) with the plid values of other links.
789 $args = array(0); 795 $args = array(0);
811 FROM {menu_links} ml LEFT JOIN {menu_router} m ON m.path = ml.router_path 817 FROM {menu_links} ml LEFT JOIN {menu_router} m ON m.path = ml.router_path
812 WHERE ml.menu_name = '%s'". $where ." 818 WHERE ml.menu_name = '%s'". $where ."
813 ORDER BY p1 ASC, p2 ASC, p3 ASC, p4 ASC, p5 ASC, p6 ASC, p7 ASC, p8 ASC, p9 ASC", $args), $parents); 819 ORDER BY p1 ASC, p2 ASC, p3 ASC, p4 ASC, p5 ASC, p6 ASC, p7 ASC, p8 ASC, p9 ASC", $args), $parents);
814 $data['node_links'] = array(); 820 $data['node_links'] = array();
815 menu_tree_collect_node_links($data['tree'], $data['node_links']); 821 menu_tree_collect_node_links($data['tree'], $data['node_links']);
816 // Cache the data. 822 // Cache the data, if it is not already in the cache.
817 cache_set($cid, $data, 'cache_menu'); 823 $tree_cid = _menu_tree_cid($menu_name, $data);
824 if (!cache_get($tree_cid, 'cache_menu')) {
825 cache_set($tree_cid, $data, 'cache_menu');
826 }
827 // Cache the cid of the (shared) data using the menu and item-specific cid.
828 cache_set($cid, $tree_cid, 'cache_menu');
818 } 829 }
819 // Check access for the current user to each item in the tree. 830 // Check access for the current user to each item in the tree.
820 menu_tree_check_access($data['tree'], $data['node_links']); 831 menu_tree_check_access($data['tree'], $data['node_links']);
821 $tree[$cid] = $data['tree']; 832 $tree[$cid] = $data['tree'];
822 } 833 }
842 function menu_tree_page_data($menu_name = 'navigation') { 853 function menu_tree_page_data($menu_name = 'navigation') {
843 static $tree = array(); 854 static $tree = array();
844 855
845 // Load the menu item corresponding to the current page. 856 // Load the menu item corresponding to the current page.
846 if ($item = menu_get_item()) { 857 if ($item = menu_get_item()) {
847 // Generate the cache ID. 858 // Generate a cache ID (cid) specific for this page.
848 $cid = 'links:'. $menu_name .':page:'. $item['href'] .':'. (int)$item['access']; 859 $cid = 'links:'. $menu_name .':page-cid:'. $item['href'] .':'. (int)$item['access'];
849 860
850 if (!isset($tree[$cid])) { 861 if (!isset($tree[$cid])) {
851 // If the static variable doesn't have the data, check {cache_menu}. 862 // If the static variable doesn't have the data, check {cache_menu}.
852 $cache = cache_get($cid, 'cache_menu'); 863 $cache = cache_get($cid, 'cache_menu');
853 if ($cache && isset($cache->data)) { 864 if ($cache && isset($cache->data)) {
854 $data = $cache->data; 865 // If the cache entry exists, it will just be the cid for the actual data.
855 } 866 // This avoids duplication of large amounts of data.
856 else { 867 $cache = cache_get($cache->data, 'cache_menu');
868 if ($cache && isset($cache->data)) {
869 $data = $cache->data;
870 }
871 }
872 // If the tree data was not in the cache, $data will be NULL.
873 if (!isset($data)) {
857 // Build and run the query, and build the tree. 874 // Build and run the query, and build the tree.
858 if ($item['access']) { 875 if ($item['access']) {
859 // Check whether a menu link exists that corresponds to the current path. 876 // Check whether a menu link exists that corresponds to the current path.
860 $args = array($menu_name, $item['href']); 877 $args = array($menu_name, $item['href']);
861 $placeholders = "'%s'"; 878 $placeholders = "'%s'";
907 FROM {menu_links} ml LEFT JOIN {menu_router} m ON m.path = ml.router_path 924 FROM {menu_links} ml LEFT JOIN {menu_router} m ON m.path = ml.router_path
908 WHERE ml.menu_name = '%s' AND ml.plid IN (". $placeholders .") 925 WHERE ml.menu_name = '%s' AND ml.plid IN (". $placeholders .")
909 ORDER BY p1 ASC, p2 ASC, p3 ASC, p4 ASC, p5 ASC, p6 ASC, p7 ASC, p8 ASC, p9 ASC", $args), $parents); 926 ORDER BY p1 ASC, p2 ASC, p3 ASC, p4 ASC, p5 ASC, p6 ASC, p7 ASC, p8 ASC, p9 ASC", $args), $parents);
910 $data['node_links'] = array(); 927 $data['node_links'] = array();
911 menu_tree_collect_node_links($data['tree'], $data['node_links']); 928 menu_tree_collect_node_links($data['tree'], $data['node_links']);
912 // Cache the data. 929 // Cache the data, if it is not already in the cache.
913 cache_set($cid, $data, 'cache_menu'); 930 $tree_cid = _menu_tree_cid($menu_name, $data);
931 if (!cache_get($tree_cid, 'cache_menu')) {
932 cache_set($tree_cid, $data, 'cache_menu');
933 }
934 // Cache the cid of the (shared) data using the page-specific cid.
935 cache_set($cid, $tree_cid, 'cache_menu');
914 } 936 }
915 // Check access for the current user to each item in the tree. 937 // Check access for the current user to each item in the tree.
916 menu_tree_check_access($data['tree'], $data['node_links']); 938 menu_tree_check_access($data['tree'], $data['node_links']);
917 $tree[$cid] = $data['tree']; 939 $tree[$cid] = $data['tree'];
918 } 940 }
919 return $tree[$cid]; 941 return $tree[$cid];
920 } 942 }
921 943
922 return array(); 944 return array();
945 }
946
947 /**
948 * Helper function - compute the real cache ID for menu tree data.
949 */
950 function _menu_tree_cid($menu_name, $data) {
951 return 'links:'. $menu_name .':tree-data:'. md5(serialize($data));
923 } 952 }
924 953
925 /** 954 /**
926 * Recursive helper function - collect node links. 955 * Recursive helper function - collect node links.
927 */ 956 */
2244 $item['tab_parent'] = $parent_path; 2273 $item['tab_parent'] = $parent_path;
2245 } 2274 }
2246 if (!isset($item['tab_root']) && !$parent['_tab']) { 2275 if (!isset($item['tab_root']) && !$parent['_tab']) {
2247 $item['tab_root'] = $parent_path; 2276 $item['tab_root'] = $parent_path;
2248 } 2277 }
2249 // If a callback is not found, we try to find the first parent that 2278 // If an access callback is not found for a default local task we use
2250 // has a callback. 2279 // the callback from the parent, since we expect them to be identical.
2251 if (!isset($item['access callback']) && isset($parent['access callback'])) { 2280 // In all other cases, the access parameters must be specified.
2281 if (($item['type'] == MENU_DEFAULT_LOCAL_TASK) && !isset($item['access callback']) && isset($parent['access callback'])) {
2252 $item['access callback'] = $parent['access callback']; 2282 $item['access callback'] = $parent['access callback'];
2253 if (!isset($item['access arguments']) && isset($parent['access arguments'])) { 2283 if (!isset($item['access arguments']) && isset($parent['access arguments'])) {
2254 $item['access arguments'] = $parent['access arguments']; 2284 $item['access arguments'] = $parent['access arguments'];
2255 } 2285 }
2256 } 2286 }