HOWTO reload a node from hook_flag_flag/unflag without disrupting flag AJAX links (and without custom JavaScript if possible)

Thanks for Flag, it's one of my absolute favourite modules, I switch it on for every Drupal site.

I am developing an extension module for Flag called Flag Plus (flagplus).

It's in the sandbox at https://drupal.org/sandbox/webel/2398617 with a partial description, and there is a more detailed description at its external module homepage at http://drupal7demo.webel.com.au/module/flagplus, which already includes some images showing the extended features.

One of the Flag Plus features is banner strips for flagged (and NOT flagged) node content, with easily styled colors and messages, per flag.

When one uses the Flag AJAX links to flag or unflag a node, I need to be able to reload the node to show the updated Flag Plus banners.

I examined your examples for updating a Block (not quite what I am after, but close) at The Flag API (JavaScript). Those examples, with additional JavaScript, require the Component module, which is not available for Drupal7.

The View Flag Refresh views approach suggested there does not meet my requirements, as I am not using a view for the Flag Plus banners, I am using hook_node_view($node, $view_mode, $langcode).

I am willing to use some custom JavaScript if necessary, but I am trying first to use existing Drupal7 AJAX and Ctools AJAX first in hook_flag_flag/unflag.

I am delegating both hooks thus:

function flagplus_flag_flag($flag, $content_id, $account, $flagging) {
  _flagplus_ajax_reload_page($content_id);
}

function flagplus_flag_unflag($flag, $content_id, $account, $flagging) {
  _flagplus_ajax_reload_page($content_id);  
}

I have tried all of the following without success. I am fluent with Drupal7's system for Partial Page Update AJAX commands and Form API AJAX support, but I don't understand how to reload the node without disrupting the Flag AJAX link cycle.

Use ajax_command_replace on '#content' or 'div.content':

function _flagplus_ajax_reload_page($content_id) {
  // Load Drupal core AJAX library.
  drupal_add_library('system', 'drupal.ajax');
  drupal_add_js('misc/jquery.form.js');

  // Check whether exists as a node and theme it.
  $node = node_load($content_id);
  if ($node) {
    
    $vnode = node_view($node);
    $vnode_themed = theme('node', $vnode);
    
    // An AJAX command that replaces the page #content.
    $selector = '#content'; // FAILS
    //$selector = 'div.content'; //FAILS
    $html_replace = $vnode_themed;
    // Optional: $settings.
    $commands[] = ajax_command_replace($selector, $html_replace);
    $page = array(
      '#type' => 'ajax',
      '#commands' => $commands
    );
    ajax_deliver($page);
  }  
}

Gives error:

An HTTP error 200 occurred.
.../flag/unflag/resolved/46?destination=node/46&token=...

This fails:

function _flagplus_ajax_reload_page($content_id) {   
  $node = node_load($content_id);
  if ($node) {
    drupal_goto("node/$content_id");
  }  

This using Ctool fails similarly:

function _flagplus_reload_page($content_id) {
  
  ctools_include('ajax');
  ctools_ajax_command_reload();//FAILS
 }

As does this:

function _flagplus_reload_page($content_id) {
  
  ctools_include('ajax');
   
  // Just to check whether exists as node
  $node = node_load($content_id);
  
  if ($node) {
    ctools_ajax_command_redirect("node/$content_id");//FAILS
  }  
}

I also read 4th option - JS refresh node, which seems to ask something similar, but does not seem to include the answer.

Glad for any feedback,

Webel