tripal/tripal_db/tripal_db.module

<?php

require_once "api/tripal_db.api.inc";
require_once "includes/tripal_db.admin.inc";

/**
 * @defgroup tripal_db DB Module
 * @ingroup tripal_modules
 */

/**
 *
 * @ingroup tripal_db
 */
function tripal_db_init() {

  // add the tripal_db JS and CSS
  drupal_add_css(drupal_get_path('theme', 'tripal') . '/css/tripal_db.css');
  drupal_add_js(drupal_get_path('theme', 'tripal') . '/js/tripal_db.js');
}
/**
 *
 * @ingroup tripal_db
 */
function tripal_db_menu() {
  $items = array();

  $items['admin/tripal/tripal_db'] = array(
    'title' => 'Databases',
    'description' => 'Basic Description of Tripal DB Module Functionality',
    'page callback' => 'tripal_db_module_description_page',
    'access callback' => 'user_access',
    'access arguments' => array('administer db cross-references'),
    'type' => MENU_NORMAL_ITEM,
  );

  $items['admin/tripal/tripal_db/edit_db'] = array(
    'title' => 'Edit a Database',
    'description' => 'Manage Databases ',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('tripal_db_form', 'Update'),
    'access callback' => 'user_access',
    'access arguments' => array('administer db cross-references'),
    'type' => MENU_NORMAL_ITEM,
  );

  $items['admin/tripal/tripal_db/add_db'] = array(
    'title' => 'Add a Database',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('tripal_db_form', 'Add'),
    'access callback' => 'user_access',
    'access arguments' => array('administer db cross-references'),
    'type' => MENU_NORMAL_ITEM,
  );
  $items['admin/tripal/tripal_db/edit/js'] = array(
    'page callback' => 'tripal_ajax_db_edit',
    'access callback' => 'user_access',
    'access arguments' => array('access administration pages'),
    'type' => MENU_CALLBACK,
  );

  return $items;
}

/**
 *  Set the permission types that the chado module uses.  Essentially we
 *  want permissionis that protect creation, editing and deleting of chado
 *  data objects
 *
 * @ingroup tripal_db
 */
function tripal_db_perm() {
  return array(
    'administer db cross-references',
  );
}

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

function tripal_db_form_alter(&$form, &$form_state, $form_id) {
  if ($form_id == "tripal_db_form") {    
    // updating the form through the ahah callback sets the action of
    // the form to the ahah callback URL. We need to set it back
    // to the normal form URL 
    if ($form_state['values']['form_action'] == 'Update') {
      $form['#action'] = url("admin/tripal/tripal_db/edit_db");
    }
    if ($form_state['values']['form_action'] == 'Add') {
      $form['#action'] = url("admin/tripal/tripal_db/add_db");
    }
  } 
}