list_child_menu_items.module

<?php
 error_reporting(E_ALL);
 ini_set('display_errors', 1);

/**
 * @file list_child_menu_items.module
 * TODO: Enter file description here.
 */

/**
 * Implements hook_init().
 */
function list_child_menu_items_views_pre_view(&$view) {
  $view_tags = explode(' ', $view->tag);
  if (array_search('provide_menu_children', $view_tags) !== FALSE) {
    $current_children = _list_child_menu_items_get_current_menu_children();
    $eids = array();
    foreach ($current_children as $child) {
      array_push($eids, _list_child_menu_items_item_to_entity($child));
    }
    $child_args = implode('+', $eids);
    $view->set_arguments(array($child_args));
  }
}

function _list_child_menu_items_get_current_menu_children() {
  $parent = menu_link_get_preferred();
  $parameters = array(
    'active_trail' => array($parent['plid']),
    'only_active_trail' => FALSE,
    'min_depth' => $parent['depth'] + 1,
    'max_depth' => $parent['depth'] + 1,
    'conditions' => array('plid' => $parent['mlid']),
  );
  $children = menu_build_tree($parent['menu_name'], $parameters);
  return $children;
}

function _list_child_menu_items_item_to_entity($item) {
  switch ($item['link']['router_path']) {
    case 'node/%':
      $eid = explode('/', $item['link']['link_path']);
      return $eid[1];
      break;
  }
  $entity = array();
  return $entity;
}