From c77636780a5e418e63ea81336be4542063fc771c Mon Sep 17 00:00:00 2001
From: damiankloip <damiankloip@1037976.no-reply.drupal.org>
Date: Tue, 14 Aug 2012 18:39:18 +0200
Subject: [PATCH] Issue #1720400 by damiankloip: Fixed
 views_handler_filter_user_name() throws errors when using grouping filter
 option.

---
 modules/user/views_handler_filter_user_name.inc | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/modules/user/views_handler_filter_user_name.inc b/modules/user/views_handler_filter_user_name.inc
index f20196d31819..300607fe3ae1 100644
--- a/modules/user/views_handler_filter_user_name.inc
+++ b/modules/user/views_handler_filter_user_name.inc
@@ -74,9 +74,21 @@ class views_handler_filter_user_name extends views_handler_filter_in_operator {
     }
 
     $identifier = $this->options['expose']['identifier'];
-    $values = drupal_explode_tags($form_state['values'][$identifier]);
+    $input = $form_state['values'][$identifier];
 
-    $uids = $this->validate_user_strings($form[$identifier], $values);
+    if ($this->options['is_grouped'] && isset($this->options['group_info']['group_items'][$input])) {
+      $this->operator = $this->options['group_info']['group_items'][$input]['operator'];
+      $input = $this->options['group_info']['group_items'][$input]['value'];
+    }
+
+    $values = drupal_explode_tags($input);
+
+    if (!$this->options['is_grouped'] || ($this->options['is_grouped'] && ($input != 'All'))) {
+      $uids = $this->validate_user_strings($form[$identifier], $values);
+    }
+    else {
+      $uids = FALSE;
+    }
 
     if ($uids) {
       $this->validated_exposed_input = $uids;