function menu_delete_menu_confirm_submit in Drupal 6

Same name and namespace in other branches

1. 7 modules/menu/menu.admin.inc \menu_delete_menu_confirm_submit()

Delete a custom menu and all items in it.

File

modules/menu/menu.admin.inc, line 474

Administrative page callbacks for menu module.

Code

function menu_delete_menu_confirm_submit($form, &$form_state) {
  $menu = $form['#menu'];
  $form_state['redirect'] = 'admin/build/menu';

  // System-defined menus may not be deleted - only menus defined by this module.
  if (in_array($menu['menu_name'], menu_list_system_menus()) || !db_result(db_query("SELECT COUNT(*) FROM {menu_custom} WHERE menu_name = '%s'", $menu['menu_name']))) {
    return;
  }

  // Reset all the menu links defined by the system via hook_menu.
  $result = db_query("SELECT * FROM {menu_links} ml INNER JOIN {menu_router} m ON ml.router_path = m.path WHERE ml.menu_name = '%s' AND ml.module = 'system' ORDER BY m.number_parts ASC", $menu['menu_name']);
  while ($item = db_fetch_array($result)) {
    menu_reset_item($item);
  }

  // Delete all links to the overview page for this menu.
  $result = db_query("SELECT mlid FROM {menu_links} ml WHERE ml.link_path = '%s'", 'admin/build/menu-customize/' . $menu['menu_name']);
  while ($m = db_fetch_array($result)) {
    menu_link_delete($m['mlid']);
  }

  // Delete all the links in the menu and the menu from the list of custom menus.
  db_query("DELETE FROM {menu_links} WHERE menu_name = '%s'", $menu['menu_name']);
  db_query("DELETE FROM {menu_custom} WHERE menu_name = '%s'", $menu['menu_name']);

  // Delete all the blocks for this menu.
  db_query("DELETE FROM {blocks} WHERE module = 'menu' AND delta = '%s'", $menu['menu_name']);
  db_query("DELETE FROM {blocks_roles} WHERE module = 'menu' AND delta = '%s'", $menu['menu_name']);
  menu_cache_clear_all();
  cache_clear_all();
  $t_args = array(
    '%title' => $menu['title'],
  );
  drupal_set_message(t('The custom menu %title has been deleted.', $t_args));
  watchdog('menu', 'Deleted custom menu %title and all its menu items.', $t_args, WATCHDOG_NOTICE);
}