Index: mod/forum/lib.php
===================================================================
RCS file: /cvsroot/moodle/moodle/mod/forum/lib.php,v
retrieving revision 1.609.2.97
diff -u -r1.609.2.97 lib.php
--- mod/forum/lib.php	19 Oct 2009 00:13:26 -0000	1.609.2.97
+++ mod/forum/lib.php	9 Nov 2009 13:55:35 -0000
@@ -8,6 +8,7 @@
 define('FORUM_MODE_FLATNEWEST', -1);
 define('FORUM_MODE_THREADED', 2);
 define('FORUM_MODE_NESTED', 3);
+define('FORUM_MODE_FLATUSER', 4);
 
 define('FORUM_FORCESUBSCRIBE', 1);
 define('FORUM_INITIALSUBSCRIBE', 2);
@@ -4968,7 +4969,9 @@
     // preload all posts - TODO: improve...
     if ($mode == FORUM_MODE_FLATNEWEST) {
         $sort = "p.created DESC";
-    } else {
+    } else if($mode == FORUM_MODE_FLATUSER) {
+    	$sort = "u.firstname ASC, p.created ASC";
+    }else {
         $sort = "p.created ASC";
     }
 
@@ -5041,6 +5044,7 @@
     }
 
     switch ($mode) {
+    	case FORUM_MODE_FLATUSER :
         case FORUM_MODE_FLATOLDEST :
         case FORUM_MODE_FLATNEWEST :
         default:
@@ -5095,13 +5099,16 @@
 
     $link  = false;
     $ratingsmenuused = false;
-
+/*
     if ($mode == FORUM_MODE_FLATNEWEST) {
         $sort = "ORDER BY created DESC";
+    } else if($mode == FORUM_MODE_FLATUSER) {
+    	$sort = "ORDER BY user ASC";
     } else {
         $sort = "ORDER BY created ASC";
     }
-
+echo "sort: $sort<hr>";
+*/
     foreach ($posts as $post) {
         if (!$post->parent) {
             continue;
@@ -6861,6 +6868,7 @@
 function forum_get_layout_modes() {
     return array (FORUM_MODE_FLATOLDEST => get_string('modeflatoldestfirst', 'forum'),
                   FORUM_MODE_FLATNEWEST => get_string('modeflatnewestfirst', 'forum'),
+                  FORUM_MODE_FLATUSER		=> get_string('modeflatuser', 'forum'),
                   FORUM_MODE_THREADED   => get_string('modethreaded', 'forum'),
                   FORUM_MODE_NESTED     => get_string('modenested', 'forum'));
 }
Index: lang/en_utf8/forum.php
===================================================================
RCS file: /cvsroot/moodle/moodle/lang/en_utf8/forum.php,v
retrieving revision 1.21.4.15
diff -u -r1.21.4.15 forum.php
--- lang/en_utf8/forum.php	30 Jan 2009 11:30:21 -0000	1.21.4.15
+++ lang/en_utf8/forum.php	9 Nov 2009 13:55:34 -0000
@@ -146,6 +146,7 @@
 $string['modeflatoldestfirst'] = 'Display replies flat, with oldest first';
 $string['modenested'] = 'Display replies in nested form';
 $string['modethreaded'] = 'Display replies in threaded form';
+$string['modeflatuser'] = 'Display replies flat, by user';
 $string['modulename'] = 'Forum';
 $string['modulenameplural'] = 'Forums';
 $string['more'] = 'more';