--- loncom/homework/grades.pm	2007/06/22 23:45:19	1.418
+++ loncom/homework/grades.pm	2007/07/04 20:28:44	1.420
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.418 2007/06/22 23:45:19 albertel Exp $
+# $Id: grades.pm,v 1.420 2007/07/04 20:28:44 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -6211,7 +6211,8 @@ sub process_clicker {
     my $pcorrect=&mt("Percentage points for correct solution");
     my $pincorrect=&mt("Percentage points for incorrect solution");
     my $selectform=&Apache::loncommon::select_form($env{'form.upfiletype'},'upfiletype',
-						   ('iclicker' => 'i>clicker'));
+						   ('iclicker' => 'i>clicker',
+                                                    'interwrite' => 'interwrite PRS'));
     $symb = &Apache::lonenc::check_encrypt($symb);
     $result.=<<ENDUPFORM;
 <script type="text/javascript">
@@ -6359,6 +6360,9 @@ ENDHEADER
     if ($env{'form.upfiletype'} eq 'iclicker') {
 	($errormsg,$number)=&iclicker_eval(\@questiontitles,\%responses);
     }
+    if ($env{'form.upfiletype'} eq 'interwrite') {
+        ($errormsg,$number)=&interwrite_eval(\@questiontitles,\%responses);
+    }
     $result.='<br />'.&mt('Found [_1] question(s)',$number).'<br />'.
              '<input type="hidden" name="number" value="'.$number.'" />'.
              &mt('Awarding [_1] percent for correct and [_2] percent for incorrect responses',
@@ -6438,6 +6442,35 @@ sub iclicker_eval {
     return ($errormsg,$number);
 }
 
+sub interwrite_eval {
+    my ($questiontitles,$responses)=@_;
+    my $number=0;
+    my $errormsg='';
+    my $skipline=1;
+    my $questionnumber=0;
+    my %idresponses=();
+    foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) {
+        my %components=&Apache::loncommon::record_sep($line);
+        my @entries=map {$components{$_}} (sort(keys(%components)));
+        if ($entries[1] eq 'Time') { $skipline=0; next; }
+        if ($entries[1] eq 'Response') { $skipline=1; }
+        next if $skipline;
+        if ($entries[0]!=$questionnumber) {
+           $questionnumber=$entries[0];
+           $$questiontitles[$number]=&mt('Question [_1]',$questionnumber);
+           $number++;
+        }
+        my $id=$entries[4];
+        $id=~s/^[\#0]+//;
+        $idresponses{$id}[$number]=$entries[6];
+    }
+    foreach my $id (keys %idresponses) {
+       $$responses{$id}=join(',',@{$idresponses{$id}});
+       $$responses{$id}=~s/^\s*\,//;
+    }
+    return ($errormsg,$number);
+}
+
 sub assign_clicker_grades {
     my ($r)=@_;
     my ($symb)=&get_symb($r);
@@ -6490,8 +6523,17 @@ ENDHEADER
     my $pincorrect=$env{'form.pincorrect'};
     my $storecount=0;
     foreach my $key (keys(%env)) {
+       my $user='';
        if ($key=~/^form\.student\:(.*)$/) {
-          my $user=$1;
+          $user=$1;
+       }
+       if ($key=~/^form\.unknown\:(.*)$/) {
+          my $id=$1;
+          if (($env{'form.uname'.$id}) && ($env{'form.udom'.$id})) {
+             $user=$env{'form.uname'.$id}.':'.$env{'form.udom'.$id};
+          }
+       }
+       if ($user) { 
           my @answer=split(/\,/,$env{$key});
           my $sum=0;
           for (my $i=0;$i<$number;$i++) {