--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/help/help.admin.inc	Tue Dec 23 14:28:28 2008 +0100
@@ -0,0 +1,76 @@
+<?php
+// $Id: help.admin.inc,v 1.5 2007/11/25 11:11:17 goba Exp $
+
+/**
+ * @file
+ * Admin page callbacks for the help module.
+ */
+
+/**
+ * Menu callback; prints a page listing a glossary of Drupal terminology.
+ */
+function help_main() {
+  // Add CSS
+  drupal_add_css(drupal_get_path('module', 'help') .'/help.css', 'module', 'all', FALSE);
+  $output = '<h2>'. t('Help topics') .'</h2><p>'. t('Help is available on the following items:') .'</p>'. help_links_as_list();
+  return $output;
+}
+
+/**
+ * Menu callback; prints a page listing general help for a module.
+ */
+function help_page($name) {
+  $output = '';
+  if (module_hook($name, 'help')) {
+    $module = drupal_parse_info_file(drupal_get_path('module', $name) .'/'. $name .'.info');
+    drupal_set_title($module['name']);
+
+    $temp = module_invoke($name, 'help', "admin/help#$name", drupal_help_arg());
+    if (empty($temp)) {
+      $output .= t("No help is available for module %module.", array('%module' => $module['name']));
+    }
+    else {
+      $output .= $temp;
+    }
+
+    // Only print list of administration pages if the module in question has
+    // any such pages associated to it.
+    $admin_tasks = system_get_module_admin_tasks($name);
+    if (!empty($admin_tasks)) {
+      ksort($admin_tasks);
+      $output .= theme('item_list', $admin_tasks, t('@module administration pages', array('@module' => $module['name'])));
+    }
+
+  }
+  return $output;
+}
+
+function help_links_as_list() {
+  $empty_arg = drupal_help_arg();
+  $module_info = module_rebuild_cache();
+
+  $modules = array();
+  foreach (module_implements('help', TRUE) as $module) {
+    if (module_invoke($module, 'help', "admin/help#$module", $empty_arg)) {
+      $modules[$module] = $module_info[$module]->info['name'];
+    }
+  }
+  asort($modules);
+
+  // Output pretty four-column list
+  $count = count($modules);
+  $break = ceil($count / 4);
+  $output = '<div class="clear-block"><div class="help-items"><ul>';
+  $i = 0;
+  foreach ($modules as $module => $name) {
+    $output .= '<li>'. l($name, 'admin/help/'. $module) .'</li>';
+    if (($i + 1) % $break == 0 && ($i + 1) != $count) {
+      $output .= '</ul></div><div class="help-items'. ($i + 1 == $break * 3 ? ' help-items-last' : '') .'"><ul>';
+    }
+    $i++;
+  }
+  $output .= '</ul></div></div>';
+
+  return $output;
+}
+