Drupal PHP Cross Reference Content Management Systems

Source: /modules/menu/menu.install - 210 lines - 7128 bytes - Summary - Text - Print

   1  <?php
   2  
   3  /**
   4   * @file
   5   * Install, update and uninstall functions for the menu module.
   6   */
   7  
   8  /**
   9   * Implements hook_schema().
  10   */
  11  function menu_schema() {
  12    $schema['menu_custom'] = array(
  13      'description' => 'Holds definitions for top-level custom menus (for example, Main menu).',
  14      'fields' => array(
  15        'menu_name' => array(
  16          'type' => 'varchar',
  17          'length' => 32,
  18          'not null' => TRUE,
  19          'default' => '',
  20          'description' => 'Primary Key: Unique key for menu. This is used as a block delta so length is 32.',
  21        ),
  22        'title' => array(
  23          'type' => 'varchar',
  24          'length' => 255,
  25          'not null' => TRUE,
  26          'default' => '',
  27          'description' => 'Menu title; displayed at top of block.',
  28          'translatable' => TRUE,
  29        ),
  30        'description' => array(
  31          'type' => 'text',
  32          'not null' => FALSE,
  33          'description' => 'Menu description.',
  34          'translatable' => TRUE,
  35        ),
  36      ),
  37      'primary key' => array('menu_name'),
  38    );
  39  
  40    return $schema;
  41  }
  42  
  43  /**
  44   * Implements hook_install().
  45   */
  46  function menu_install() {
  47    $system_menus = menu_list_system_menus();
  48    $t = get_t();
  49    $descriptions = array(
  50      '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.'),
  51      'user-menu' => $t("The <em>User</em> menu contains links related to the user's account, as well as the 'Log out' link."),
  52      'management' => $t('The <em>Management</em> menu contains links for administrative tasks.'),
  53      'main-menu' => $t('The <em>Main</em> menu is used on many sites to show the major sections of the site, often in a top navigation bar.'),
  54    );
  55    foreach ($system_menus as $menu_name => $title) {
  56      $menu = array(
  57        'menu_name' => $menu_name,
  58        'title' => $t($title),
  59        'description' => $descriptions[$menu_name],
  60      );
  61      menu_save($menu);
  62    }
  63  }
  64  
  65  /**
  66   * Implements hook_uninstall().
  67   */
  68  function menu_uninstall() {
  69    menu_rebuild();
  70  }
  71  
  72  /**
  73   * @addtogroup updates-7.x-extra
  74   * @{
  75   */
  76  
  77  /**
  78   * Migrate the "Default menu for content" setting to individual node types.
  79   */
  80  function menu_update_7000() {
  81    // Act only on sites originally on Drupal 6 that have a custom "Default menu
  82    // for content" setting.
  83    $default_node_menu = variable_get('menu_default_node_menu');
  84    if (isset($default_node_menu)) {
  85      // Remove variable no longer used in Drupal 7.
  86      variable_del('menu_default_node_menu');
  87  
  88      // Make sure the menu chosen as the default still exists.
  89      $defined_menus = db_query('SELECT * FROM {menu_custom}')->fetchAllAssoc('menu_name', PDO::FETCH_ASSOC);
  90      // If the menu does not exist, do nothing; nodes will use the default D7
  91      // node menu settings.
  92      if (!isset($defined_menus[$default_node_menu])) {
  93        return;
  94      }
  95  
  96      // Update the menu settings for each node type.
  97      foreach (_update_7000_node_get_types() as $type => $type_object) {
  98        $type_menus = variable_get('menu_options_' . $type);
  99        // If the site already has a custom menu setting for this node type (set
 100        // on the initial upgrade to Drupal 7.0), don't override it.
 101        if (!isset($type_menus)) {
 102          // Set up this node type so that the Drupal 6 "Default menu for content"
 103          // is still available in the "Menu settings" section.
 104          variable_set('menu_options_' . $type, array($default_node_menu));
 105          variable_set('menu_parent_' . $type, $default_node_menu . ':0');
 106        }
 107      }
 108    }
 109  }
 110  
 111  /**
 112   * Rename "Primary Links" and "Secondary Links" to their Drupal 7 equivalents.
 113   */
 114  function menu_update_7001() {
 115    // Migrate D6 menu_primary_links_source to D7 menu_main_links_source (without
 116    // renaming).
 117    if (variable_get('menu_primary_links_source') !== NULL) {
 118      variable_set('menu_main_links_source', variable_get('menu_primary_links_source'));
 119      variable_del('menu_primary_links_source');
 120    }
 121  
 122    // Rename each menu, and any settings that refer to the old menu name.
 123    // - "Primary Links" has become system menu "Main menu".
 124    // - "Secondary Links" has become a new custom menu "Secondary menu".
 125    $rename = array(
 126      'primary-links' => array('main-menu', 'Main menu'),
 127      'secondary-links' => array('secondary-menu', 'Secondary menu'),
 128    );
 129    foreach ($rename as $from_menu => $to) {
 130      list($to_menu, $to_title) = $to;
 131      // Rename the menu, and links in the menu.
 132      db_update('menu_custom')
 133        ->fields(array('menu_name' => $to_menu, 'title' => $to_title))
 134        ->condition('menu_name', $from_menu)
 135        ->execute();
 136      db_update('menu_links')
 137        ->fields(array('menu_name' => $to_menu))
 138        ->condition('menu_name', $from_menu)
 139        ->execute();
 140  
 141      // Update any content type that used this menu as a default menu.
 142      // Note: these variables may be unset/default, in which case we leave them
 143      // alone. See menu_update_7000()
 144      foreach (_update_7000_node_get_types() as $type => $type_object) {
 145        $menu_options = variable_get('menu_options_' . $type);
 146        if ($menu_options !== NULL) {
 147          variable_set('menu_options_' . $type, str_replace($from_menu, $to_menu, $menu_options));
 148          if (variable_get('menu_parent_' . $type) == $from_menu . ':0') {
 149            variable_set('menu_parent_' . $type, $to_menu . ':0');
 150          }
 151        }
 152      }
 153  
 154      // Update the "source for primary links" and "source for secondary links" to
 155      // follow.
 156      if (variable_get('menu_main_links_source') == $from_menu) {
 157        variable_set('menu_main_links_source', $to_menu);
 158      }
 159      if (variable_get('menu_secondary_links_source') == $from_menu) {
 160        variable_set('menu_secondary_links_source', $to_menu);
 161      }
 162    }
 163  }
 164  
 165  /**
 166   * Rename the primary/secondary menu blocks to match previously renamed menus.
 167   */
 168  function menu_update_7002(&$sandbox) {
 169    // Check for the presence of old or new table names.
 170    if (db_table_exists('blocks') || db_table_exists('block')) {
 171      $renamed_deltas = array(
 172        'menu' => array(
 173          'primary-links' => 'main-menu',
 174          'secondary-links' => 'secondary-menu',
 175        ),
 176      );
 177  
 178      $moved_deltas = array(
 179        'menu' => array('main-menu' => 'system'),
 180      );
 181  
 182      update_fix_d7_block_deltas($sandbox, $renamed_deltas, $moved_deltas);
 183    }
 184  }
 185  /**
 186   * Add missing custom menus to active menus list.
 187   */
 188  function menu_update_7003(&$sandbox) {
 189    // Make sure all custom menus are present in the active menus variable so that
 190    // their items may appear in the active trail.
 191    // @see menu_set_active_menu_names()
 192    $active_menus = variable_get('menu_default_active_menus', array_keys(menu_list_system_menus()));
 193    $update_variable = FALSE;
 194    foreach (menu_get_names() as $menu_name) {
 195      if (!in_array($menu_name, $active_menus) && (strpos($menu_name, 'menu-') === 0)) {
 196        $active_menus[] = $menu_name;
 197        $update_variable = TRUE;
 198      }
 199    }
 200    if ($update_variable) {
 201      variable_set('menu_default_active_menus', $active_menus);
 202    }
 203    // Clear the menu cache.
 204    cache_clear_all(NULL, 'cache_menu');
 205  }
 206  
 207  /**
 208   * @} End of "addtogroup updates-7.x-extra".
 209   * The next series of updates should start at 8000.
 210   */

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