/**
  * Fires when Builder Template save ajax.
  * 
  * @since 1.0.0
  * @access public
  * @return json
  */
 public function builder_panel_save()
 {
     // Check ajax referer
     check_ajax_referer($this->action_nonce, $this->field_nonce);
     $data = isset($_POST['data']) ? $_POST['data'] : array();
     $dataStyling = isset($_POST['dataStyling']) ? json_decode(stripslashes($_POST['dataStyling']), true) : array();
     $postid = (int) $_POST['template_id'];
     TF_Model::save_template($postid, $data);
     TF_Model::save_styling($postid, $dataStyling);
     wp_send_json_success();
 }