Ajax Node Content Reload Module

ajax_reload.info

name = Ajax reload
description = "Ajax Node Content Reload Module"
core = 7.x

files[] = ajax_reload.js

ajax_reload.js

(function ($) {

  Drupal.behaviors.ajax_reload = {
    attach: function (context, settings) {    
      $('.region-submenu a').bind('click', function () {
          var url = $(this).attr('href');
          // $('.article-content').slideUp('slow');
          $('.article-content').empty();
          $('.article-content').load(url);
          return false;
      });
    }
  }

}(jQuery));

ajax_reload.module.php

 <?php
/**
 * @file
 * Ajax Node Content Reload Module
 */
 
/**
 * Implements hook_init()
 */
function ajax_reload_init() {
  drupal_add_js(drupal_get_path('module', 'ajax_reload') . '/ajax_reload.js');
}

/**
 * Implements hook_preprocess_html()
 */
 
function ajax_reload_preprocess_html(&$vars, $hook) {
  // page called via AJAX?
  if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest' ) {
    // add AJAX template
    $vars['theme_hook_suggestions'][] = 'html__xhttp';
  }
}

/**
 * Implements hook_preprocess_page()
 */
 
function ajax_reload_preprocess_page(&$vars, $hook) {
  // page called via AJAX?
  if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest' ) {
    // add AJAX template
    $vars['theme_hook_suggestions'][] = 'page__xhttp';
  }
}

/**
 * Implements hook_preprocess_node()
 */

function ajax_reload_preprocess_node(&$vars, $hook) {
  // page called via AJAX?
  if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest' ) {
    // add AJAX template
    $vars['theme_hook_suggestions'][] = 'node__xhttp';
  }
}

html--xhttp.tpl.php

<?php
// html--xhttp.tpl.php
print '<!-- Rendering html--xhttp.tpl.php -->';
print $page;

node--xhttp.tpl.php

<?php
// node--xhttp.tpl.php
print '<!-- Rendering page--xhttp.tpl.php -->';

hide($content['comments']);
hide($content['links']);
print render($content);

page--xhttp.tpl.php

<?php
// page--xhttp.tpl.php
print '<!-- Rendering page--xhttp.tpl.php -->';
print render($page['content']);