ding_tabroll.install

<?php
/**
 * @file
 * Handles installation/un-installation of node queues used by the module.
 */

/**
 * Implements hook_install().
 */
function ding_tabroll_install() {
  ding_tabroll_install_frontpage_nodequeue();
}

/**
 * Implements hook_uninstall().
 */
function ding_tabroll_uninstall() {
  // Remove front page node queue.
  $queue = nodequeue_load_queue_by_name('ding_tabroll_frontpage');
  nodequeue_delete($queue->qid);
}

/**
 * Helper function to create node queue used to order the tab-rolls.
 */
function ding_tabroll_install_frontpage_nodequeue() {
  $nodequeue = new stdClass();
  $nodequeue->name = 'ding_tabroll_frontpage';
  $nodequeue->title = 'Front page tabroll';
  $nodequeue->subqueue_title = '';
  $nodequeue->owner = 'nodequeue';
  $nodequeue->api_version = 2;
  $nodequeue->link = 'Add to front page';
  $nodequeue->link_remove = 'Remove from front page';
  $nodequeue->show_in_ui = TRUE;
  $nodequeue->show_in_tab = TRUE;
  $nodequeue->show_in_links = FALSE;
  $nodequeue->i18n = 0;
  $nodequeue->roles = array();
  $nodequeue->size = 5;
  $nodequeue->reverse = 0;
  $nodequeue->new = TRUE;
  $nodequeue->types = array(
    0 => 'ding_rolltab',
  );
  $nodequeue->subqueues = array();
  $nodequeue->submit = 'Submit';
  $nodequeue->reverse = 0;
  $nodequeue->reference = 0;
  $nodequeue->add_subqueue = array(
    $nodequeue->title,
  );

  nodequeue_save($nodequeue);
}

/**
 * Remove old library reference field.
 */
function ding_tabroll_update_7001() {
  field_delete_field('field_ding_tabroll_library_ref');
  field_purge_batch(1000);
}