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<?php
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/**
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* @file
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* Install, update and uninstall functions for the menu module.
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*/
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/**
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* Implements hook_schema().
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*/
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function menu_schema() {
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$schema['menu_custom'] = array(
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'description' => 'Holds definitions for top-level custom menus (for example, Main menu).',
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'fields' => array(
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'menu_name' => array(
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'type' => 'varchar',
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'length' => 32,
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'not null' => TRUE,
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'default' => '',
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'description' => 'Primary Key: Unique key for menu. This is used as a block delta so length is 32.',
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),
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'title' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'default' => '',
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'description' => 'Menu title; displayed at top of block.',
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'translatable' => TRUE,
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),
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'description' => array(
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'type' => 'text',
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'not null' => FALSE,
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'description' => 'Menu description.',
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'translatable' => TRUE,
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),
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),
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'primary key' => array('menu_name'),
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);
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return $schema;
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}
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/**
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* Implements hook_install().
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*/
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function menu_install() {
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$system_menus = menu_list_system_menus();
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$t = get_t();
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$descriptions = array(
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'navigation' => $t('The <em>Navigation</em> menu contains links intended for site visitors. Links are added to the <em>Navigation</em> menu automatically by some modules.'),
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'user-menu' => $t("The <em>User</em> menu contains links related to the user's account, as well as the 'Log out' link."),
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'management' => $t('The <em>Management</em> menu contains links for administrative tasks.'),
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'main-menu' => $t('The <em>Main</em> menu is used on many sites to show the major sections of the site, often in a top navigation bar.'),
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);
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foreach ($system_menus as $menu_name => $title) {
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$menu = array(
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'menu_name' => $menu_name,
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'title' => $t($title),
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'description' => $descriptions[$menu_name],
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);
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menu_save($menu);
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}
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}
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/**
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* Implements hook_uninstall().
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*/
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function menu_uninstall() {
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menu_rebuild();
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}
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/**
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* @addtogroup updates-7.x-extra
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* @{
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*/
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/**
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* Migrate the "Default menu for content" setting to individual node types.
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*/
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function menu_update_7000() {
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// Act only on sites originally on Drupal 6 that have a custom "Default menu
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// for content" setting.
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$default_node_menu = variable_get('menu_default_node_menu');
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if (isset($default_node_menu)) {
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// Remove variable no longer used in Drupal 7.
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variable_del('menu_default_node_menu');
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// Make sure the menu chosen as the default still exists.
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$defined_menus = db_query('SELECT * FROM {menu_custom}')->fetchAllAssoc('menu_name', PDO::FETCH_ASSOC);
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// If the menu does not exist, do nothing; nodes will use the default D7
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// node menu settings.
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if (!isset($defined_menus[$default_node_menu])) {
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return;
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}
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// Update the menu settings for each node type.
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foreach (_update_7000_node_get_types() as $type => $type_object) {
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$type_menus = variable_get('menu_options_' . $type);
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// If the site already has a custom menu setting for this node type (set
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// on the initial upgrade to Drupal 7.0), don't override it.
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if (!isset($type_menus)) {
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// Set up this node type so that the Drupal 6 "Default menu for content"
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// is still available in the "Menu settings" section.
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variable_set('menu_options_' . $type, array($default_node_menu));
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variable_set('menu_parent_' . $type, $default_node_menu . ':0');
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}
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}
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}
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}
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/**
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* Rename "Primary Links" and "Secondary Links" to their Drupal 7 equivalents.
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*/
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function menu_update_7001() {
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// Migrate D6 menu_primary_links_source to D7 menu_main_links_source (without
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// renaming).
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if (variable_get('menu_primary_links_source') !== NULL) {
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variable_set('menu_main_links_source', variable_get('menu_primary_links_source'));
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variable_del('menu_primary_links_source');
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}
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// Rename each menu, and any settings that refer to the old menu name.
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// - "Primary Links" has become system menu "Main menu".
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// - "Secondary Links" has become a new custom menu "Secondary menu".
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$rename = array(
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'primary-links' => array('main-menu', 'Main menu'),
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'secondary-links' => array('secondary-menu', 'Secondary menu'),
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);
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foreach ($rename as $from_menu => $to) {
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list($to_menu, $to_title) = $to;
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// Rename the menu, and links in the menu.
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db_update('menu_custom')
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->fields(array('menu_name' => $to_menu, 'title' => $to_title))
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->condition('menu_name', $from_menu)
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->execute();
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db_update('menu_links')
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->fields(array('menu_name' => $to_menu))
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->condition('menu_name', $from_menu)
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->execute();
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// Update any content type that used this menu as a default menu.
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// Note: these variables may be unset/default, in which case we leave them
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// alone. See menu_update_7000()
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foreach (_update_7000_node_get_types() as $type => $type_object) {
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$menu_options = variable_get('menu_options_' . $type);
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if ($menu_options !== NULL) {
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variable_set('menu_options_' . $type, str_replace($from_menu, $to_menu, $menu_options));
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if (variable_get('menu_parent_' . $type) == $from_menu . ':0') {
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variable_set('menu_parent_' . $type, $to_menu . ':0');
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}
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}
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}
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// Update the "source for primary links" and "source for secondary links" to
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// follow.
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if (variable_get('menu_main_links_source') == $from_menu) {
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variable_set('menu_main_links_source', $to_menu);
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}
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if (variable_get('menu_secondary_links_source') == $from_menu) {
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variable_set('menu_secondary_links_source', $to_menu);
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}
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}
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}
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/**
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* Rename the primary/secondary menu blocks to match previously renamed menus.
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*/
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function menu_update_7002(&$sandbox) {
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// Check for the presence of old or new table names.
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if (db_table_exists('blocks') || db_table_exists('block')) {
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$renamed_deltas = array(
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'menu' => array(
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'primary-links' => 'main-menu',
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'secondary-links' => 'secondary-menu',
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),
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);
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$moved_deltas = array(
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'menu' => array('main-menu' => 'system'),
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);
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update_fix_d7_block_deltas($sandbox, $renamed_deltas, $moved_deltas);
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}
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}
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/**
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* Add missing custom menus to active menus list.
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*/
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function menu_update_7003(&$sandbox) {
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// Make sure all custom menus are present in the active menus variable so that
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// their items may appear in the active trail.
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// @see menu_set_active_menu_names()
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$active_menus = variable_get('menu_default_active_menus', array_keys(menu_list_system_menus()));
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$update_variable = FALSE;
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foreach (menu_get_names() as $menu_name) {
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if (!in_array($menu_name, $active_menus) && (strpos($menu_name, 'menu-') === 0)) {
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$active_menus[] = $menu_name;
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$update_variable = TRUE;
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}
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}
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if ($update_variable) {
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variable_set('menu_default_active_menus', $active_menus);
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}
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// Clear the menu cache.
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cache_clear_all(NULL, 'cache_menu');
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}
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/**
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* @} End of "addtogroup updates-7.x-extra".
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* The next series of updates should start at 8000.
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*/
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