--- webform.module	Wed Nov 25 16:47:26 2009
+++ webform.module	Wed Nov 25 16:47:19 2009
@@ -2469,18 +2469,18 @@
   static $component_list, $enabled_list;
 
   if (!isset($component_list) || $reset) {
+    // Call a hook that returns an array of an array - see example below
+    $all_components = module_invoke_all('load_webform_components');
+	// Initialize arrays so that array_merge() is happy
     $component_list = array();
     $enabled_list = array();
-    $path = drupal_get_path('module', 'webform') .'/components';
-    $files = file_scan_directory($path, '^.*\.inc$');
-    foreach ($files as $filename => $file) {
-      $enabled = variable_get('webform_enable_'. $file->name, 1);
-      if ($return_all || $enabled) {
-        module_load_include('inc', 'webform', 'components/'. $file->name);
-        $component_list[$file->name] = t($file->name);
+    // For each hook, check to see it's returned sensible data and merge in
+    foreach($all_components as $module_components) {
+      if (is_array($module_components["components"])) {
+        $component_list = array_merge($component_list, $module_components["components"]);
       }
-      if ($enabled) {
-        $enabled_list[$file->name] = t($file->name);
+      if (is_array($module_components["enabled"])) {
+        $enabled_list   = array_merge($enabled_list,   $module_components["enabled"]);
       }
     }
   }
@@ -2488,3 +2488,32 @@
   // Ensure only wanted components are returned, even all are loaded.
   return $return_all ? $component_list : array_intersect_assoc($component_list, $enabled_list);
 }
+
+
+
+/**
+ * Implementation of hook_load_webform_components
+ *
+ * This can be called from other hooks e.g:
+ *
+ *   function mymodule_load_webform_components() { 
+ *     return webform_load_webform_components('mymodule'); 
+ *   }
+ */
+function webform_load_webform_components($module = 'webform') {
+  $component_list = array();
+  $enabled_list = array();
+  $path = drupal_get_path('module', $module) ."/components";
+  $files = file_scan_directory($path, '^.*\.inc$');
+  foreach ($files as $filename => $file) {
+    $enabled = variable_get('webform_enable_'. $file->name, 1);
+    if ($return_all || $enabled) {
+      include_once($filename);
+      $component_list[$file->name] = t($file->name);
+    }
+    if ($enabled) {
+      $enabled_list[$file->name] = t($file->name);
+    }
+  }
+  return array(array('components' => $component_list, 'enabled' => $enabled_list));
+}
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