/**
  * espresso_event_months_dropdown
  *
  * @access public
  * @return string                dropdown listing month/year selections for events.
  */
 public function espresso_event_months_dropdown()
 {
     //what we need to do is get all PRIMARY datetimes for all events to filter on. Note we need to include any other filters that are set!
     $status = isset($this->_req_data['status']) ? $this->_req_data['status'] : NULL;
     //categories?
     $category = isset($this->_req_data['EVT_CAT']) && $this->_req_data['EVT_CAT'] > 0 ? $this->_req_data['EVT_CAT'] : NULL;
     //active status?
     $active_status = isset($this->_req_data['active_status']) ? $this->_req_data['active_status'] : NULL;
     $cur_date = isset($this->_req_data['month_range']) ? $this->_req_data['month_range'] : '';
     return EEH_Form_Fields::generate_event_months_dropdown($cur_date, $status, $category, $active_status);
 }