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