<?php

/**
 * Implements hook_node_type_insert().
 */
function scratchpads_sharethis_node_type_insert(){
  drupal_register_shutdown_function('_scratchpads_sharethis_shutdown');
}

/**
 * Implements hook_node_type_delete().
 */
function scratchpads_sharethis_node_type_delete(){
  drupal_register_shutdown_function('_scratchpads_sharethis_shutdown');
}

/**
 * Shutdown function that updates the node types for the sharethis widget.
 */
function _scratchpads_sharethis_shutdown(){
  $entity_info = entity_get_info('node');
  variable_set('sharethis_node_option', implode(',', array_keys($entity_info['bundles'])));
}