tripal/tripal_natural_diversity/tripal_natural_diversity.module

<?php

require_once('tripal_natural_diversity.api.inc');

/**
 *  @file
 * This file contains the basic functions needed for this drupal module.
 * The drupal tripal_natural_diversity module maps directly to the chado X module.
 *
 * For documentation regarding the Chado X module:
 * @see http://gmod.org/wiki/Chado_General_Module
 */

/*************************************************************************
 * Implements hook_views_api()
 * Purpose: Essentially this hook tells drupal that there is views support for
 *  for this module which then includes tripal_natural_diversity.views.inc where all the
 *  views integration code is
 */
function tripal_natural_diversity_views_api() {
   return array(
      'api' => 2.0,
   );
}

/**
 * Implements hook_theme
 */
function tripal_natural_diversity_theme() {
  return array(
    'tripal_feature_genotype_experiments' => array(
      'arguments' => array('node' => NULL),
      'template' => 'tripal_feature-genotype_experiments',
    ),
    'tripal_stock_genotype_experiments' => array(
      'arguments' => array('node' => NULL),
      'template' => 'tripal_feature-stock_experiments',
    ),
  );
}

/**
 *
 */
function tripal_natural_diversity_nodeapi(&$node, $op, $teaser, $page) {
  switch ($op) {
    case 'view':
      if ($node->type == 'chado_feature') {
        $node->content['tripal_feature_genotype_experiments'] = array(
           '#value' => theme('tripal_feature_genotype_experiments', $node),
        );
      }
      elseif ($node->type == 'chado_stock') {
        $node->content['tripal_stock_genotype_experiments'] = array(
           '#value' => theme('tripal_stock_genotype_experiments', $node),
        );
      }
  }
}