Как открыть редактирование ноды в модальном окне

<?php
function mymodule_menu() {
  $items['node/%node/custom-edit'] = array(
    'title'             => 'Edit node',
    'type'              => MENU_LOCAL_TASK,
    'context'           => MENU_CONTEXT_PAGE | MENU_CONTEXT_INLINE,
    'access callback'   => 'node_access',
    'access arguments'  => array(1),
    'page callback'     => 'mymodule_edit_node',
    'page arguments'    => array(1),
    'delivery callback' => 'ajax_deliver',
  );
  return $items;
}

function mymodule_edit_node($node) {
  ctools_include('modal');
  ctools_modal_add_js();
  module_load_include('inc', 'node', 'node.pages');
  form_load_include($form_state, 'inc', 'node', 'node.pages');
  $form_state = array();
  $form_state['build_info']['args'] = array($node);
  $form_build = drupal_build_form($node->type . '_node_form', $form_state);
  return array(
    '#type' => 'ajax',
    '#commands' => ctools_modal_form_render($form_state, $form_build),
  );
}