--- spaces.features.inc	2009-10-09 10:16:02.000000000 +0200
+++ spaces.features.new.inc	2009-10-09 10:13:40.000000000 +0200
@@ -63,3 +63,19 @@ function spaces_features_revert($module 
   }
   return TRUE;
 }
+
+/**
+ * Implementation of hook_features_export_options().
+ */
+function spaces_features_export_options() {
+  $presets = spaces_presets();
+  $enabled_presets = array();
+  
+  foreach ($presets as $preset_type)
+    foreach ($preset_type as $id => $preset)
+      if (!$preset['disabled'])
+        $enabled_presets[$id] = $preset['name'];
+  
+  ksort($enabled_presets);
+  return $enabled_presets;
+}