<?php

/**
 * @file
 * Adds the Node ID to for the current stock
 *
 * This handler is only needed if chado is in a separate database and, therefore, the node tables
 * cannot be joined to the stock tables
 *
 * @ingroup tripal_stock
 * @ingroup views_field_handlers
 */
class views_handler_field_computed_stock_nid extends views_handler_field_numeric {
  function construct() {
    parent::construct();
    $this->additional_fields['stock_id'] = array('table' => 'stock', 'field' => 'stock_id');
  }

  function query() {
    $this->ensure_my_table();
    $this->add_additional_fields();
  }

  function render($values) {
    return $values->stock_nid;
  }
}