/**
  * Generate html markup for data preview
  */
 public function __action_DataPreview()
 {
     if (!empty($_POST)) {
         $data = stripslashes_deep($_POST);
         meAnjanWqg_Utils::saveData($data);
     }
     $wqgData = meAnjanWqg_Utils::getData();
     if (empty($wqgData)) {
         $wqgData = array();
     }
     $gen = new meAnjanWqg_Generator($wqgData);
     $gen->generateCode();
     $args = $gen->getGeneratedArgs();
     $query = new WP_Query($args);
     $posts = $query->get_posts();
     require_once ME_ANJAN_PLUGIN_WQG_DIR . 'includes/templates/preview/posts-list.php';
     exit;
 }