islandora/islandora_collection/islandora_collection.module

<?php

/**
 * @file
 * This is the new Islandora Collection module.
 */

define('ISLANDORA_COLLECTION_CONTENT_TYPE', 'islandora_collection');

/**
 * Implements hook_views_api().
 */
function islandora_collection_views_api() {
  return array(
    'api' => 3.0,
    'path' => drupal_get_path('module', 'islandora_collection') . '/include',
  );
}

/**
 * Implements hook_node_info().
 */
function islandora_collection_node_info() {
  return array(
    ISLANDORA_COLLECTION_CONTENT_TYPE => array(
      'name' => t("Collection"),
      'base' => ISLANDORA_COLLECTION_CONTENT_TYPE,
      'description' => t("A Drupal node modeling an pcdm:Collection."),
      'has_title' => FALSE,
    ),
  );
}

/**
 * Function for using a form.
 *
 * @param string $node
 *   The Drupal node.
 * @param array $form_state
 *   The Drupal form state.
 */
function islandora_collection_form($node, array &$form_state) {
  return node_content_form($node, $form_state);
}