panopoly_news.module

<?php
/**
 * @file
 * Code for the Panopoly News feature.
 */

include_once 'panopoly_news.features.inc';


/**
 * Allows us to add node--panopoly-news-article.tpl.php to the
 * registry.
 *
 * http://www.metachunk.com/blog/adding-module-path-drupal-7-theme-registry
 * 
 * Implements hook_theme_registry_alter()
**/
function panopoly_news_theme_registry_alter(&$theme_registry) {
  $mod_path = drupal_get_path('module', 'panopoly_news') . '/theme/templates';
  $theme_registry_copy = $theme_registry;       // munge on a copy
  _theme_process_registry($theme_registry_copy, 'phptemplate', 'theme_engine', 'pow', $mod_path);
  $theme_registry += array_diff_key($theme_registry_copy, $theme_registry);
  $hooks = array('node');
  foreach ($hooks as $h) {
    _panopoly_news_insert_after_first_element($theme_registry[$h]['theme paths'], $mod_path);
  }
}

/**
 * Helper function for re-ordering arrays (needed by theme_registry_alter)
 *
 * http://www.metachunk.com/blog/adding-module-path-drupal-7-theme-registry
*/
function _panopoly_news_insert_after_first_element(&$a, $element) {
  if(is_array($a)) {
    $first_element = array_shift($a);
    array_unshift($a, $first_element, $element);
  }
}