--- loncom/homework/bridgetask.pm	2006/11/06 17:50:17	1.184.2.4
+++ loncom/homework/bridgetask.pm	2006/11/02 23:25:40	1.190
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: bridgetask.pm,v 1.184.2.4 2006/11/06 17:50:17 albertel Exp $
+# $Id: bridgetask.pm,v 1.190 2006/11/02 23:25:40 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -105,7 +105,7 @@ sub check_in {
 sub check_in_sequence {
     my ($user,$domain,$slot_name) = @_;
     my $navmap = Apache::lonnavmaps::navmap->new();
-    my ($symb) = &Apache::lonxml::whichuser();
+    my ($symb) = &Apache::lonnet::whichuser();
     my ($map)  = &Apache::lonnet::decode_symb($symb);
     my @resources = 
 	$navmap->retrieveResources($map, sub { $_[0]->is_problem() },0,0);
@@ -225,7 +225,7 @@ sub add_previous_version_button {
 }
 
 sub add_grading_button {
-    my (undef,$cid)=&Apache::lonxml::whichuser();
+    my (undef,$cid)=&Apache::lonnet::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
@@ -326,22 +326,9 @@ sub style {
     my ($target) = @_;
     if ($target eq 'web'
 	|| $target eq 'webgrade') {
-	my $style = (<<STYLE);
+	return (<<STYLE);
 <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
 STYLE
-        if ($env{'browser.type'} eq 'explorer'
-	    && $env{'browser.os'} eq 'win' ) {
-	    if ($env{'browser.version'} < 7) {
-		$style .= (<<STYLE);
-<link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie.css" />
-STYLE
-            } else {
-		$style .= (<<STYLE);
-<link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie7.css" />
-STYLE
-	    }
-	}
-	return $style;
     }
     return;
 }
@@ -401,7 +388,7 @@ sub internal_location {
 }
 
 sub submission_time_stamp {
-    my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
+    my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
     my $submissiontime;
     my $version=$Apache::lonhomework::history{'resource.0.version'};
     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
@@ -439,7 +426,7 @@ sub submission_time_stamp {
 sub file_list {
     my ($files,$uname,$udom) = @_;
     if (!defined($uname) || !defined($udom)) {
-	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
+	(undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
     }
     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
 
@@ -500,7 +487,7 @@ sub done_screen {
     my ($version) = @_;
     my $title=&Apache::lonnet::gettitle();
     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
-    my (undef,undef,$domain,$user)= &Apache::lonxml::whichuser();
+    my (undef,undef,$domain,$user)= &Apache::lonnet::whichuser();
     my $files = '<ul>';
     my $msg;
     foreach my $file (@files) {
@@ -844,7 +831,7 @@ sub get_key_todo {
     if (defined($env{'form.regradeaspecificsubmission'}) &&
 	defined($env{'form.gradinguser'})               &&
 	defined($env{'form.gradingdomain'})               ) {
-	my ($symb,$cid)=&Apache::lonxml::whichuser();
+	my ($symb,$cid)=&Apache::lonnet::whichuser();
 	my $cnum  = $env{'course.'.$cid.'.num'};
 	my $cdom  = $env{'course.'.$cid.'.domain'};
 	my $uname = $env{'form.gradinguser'};
@@ -1162,7 +1149,7 @@ DONEBUTTON
 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
-		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
+		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
 		
 		if ($env{'form.regrade'} ne 'yes') {
 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
@@ -1178,7 +1165,7 @@ DONEBUTTON
 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
-		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
+		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
 		if ($env{'form.regrade'} ne 'yes') {
 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
@@ -1286,7 +1273,7 @@ sub move_between_queues {
 sub check_queue_unlock {
     my ($queue,$key,$allow_not_me)=@_;
     if ($queue eq 'none') { return 'ok'; }
-    my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+    my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
     if (!defined($key)) {
 	$key="$symb\0queue\0$uname:$udom";
     }
@@ -1309,7 +1296,7 @@ sub in_queue {
     if ($queue eq 'none') { return 0; }
     if (!defined($symb) || !defined($cdom) || !defined($cnum)
 	|| !defined($udom) || !defined($uname)) {
-	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
+	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
 	$cnum=$env{'course.'.$cid.'.num'};
 	$cdom=$env{'course.'.$cid.'.domain'};
     }
@@ -1328,7 +1315,7 @@ sub remove_from_queue {
     if ($queue eq 'none') { return 'ok'; }
     if (!defined($symb) || !defined($cdom) || !defined($cnum)
 	|| !defined($udom) || !defined($uname)) {
-	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
+	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
 	$cnum=$env{'course.'.$cid.'.num'};
 	$cdom=$env{'course.'.$cid.'.domain'};
     }
@@ -1353,7 +1340,7 @@ sub setup_env_for_other_user {
 
 sub get_queue_data {
     my ($queue,$udom,$uname)=@_;
-    my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonxml::whichuser();
+    my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonnet::whichuser();
     if (!$uname || !$udom) {
 	$uname=$other_uname;
 	$udom =$other_udom;
@@ -1399,7 +1386,7 @@ sub check_queue_for_key {
 sub add_to_queue {
     my ($queue,$user_data)=@_;
     if ($queue eq 'none') { return 'ok'; }
-    my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+    my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
     if (!$cid || $env{'request.state'} eq 'construct') {
 	return 'no_queue';
     }
@@ -1437,7 +1424,7 @@ sub get_limited_classlist {
 sub show_queue {
     my ($queue,$with_selects)=@_;
     my $result;
-    my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+    my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
 
@@ -1564,7 +1551,7 @@ FORM
 sub get_queue_counts {
     my ($queue)=@_;
     my $result;
-    my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+    my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
 
@@ -1621,7 +1608,7 @@ sub decode_queue_key {
 sub queue_key_locked {
     my ($queue,$key,$cdom,$cnum)=@_;
     if (!defined($cdom) || !defined($cnum)) {
-	my (undef,$cid)=&Apache::lonxml::whichuser();
+	my (undef,$cid)=&Apache::lonnet::whichuser();
 	$cnum=$env{'course.'.$cid.'.num'};
 	$cdom=$env{'course.'.$cid.'.domain'};
     }
@@ -1733,7 +1720,7 @@ sub find_mid_grade {
 sub lock_key {
     my ($queue,$todo)=@_;
     my $me=$env{'user.name'}.':'.$env{'user.domain'};
-    my (undef,$cid)=&Apache::lonxml::whichuser();
+    my (undef,$cid)=&Apache::lonnet::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
@@ -1748,7 +1735,7 @@ sub lock_key {
 sub get_queue_symb_status {
     my ($queue,$symb,$cdom,$cnum) = @_;
     if (!defined($cdom) || !defined($cnum)) {
-	my (undef,$cid)=&Apache::lonxml::whichuser();
+	my (undef,$cid)=&Apache::lonnet::whichuser();
 	$cnum=$env{'course.'.$cid.'.num'};
 	$cdom=$env{'course.'.$cid.'.domain'};
     }
@@ -1772,7 +1759,7 @@ sub get_queue_symb_status {
 sub get_from_queue {
     my ($queue)=@_;
     my $result;
-    my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+    my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
@@ -1848,7 +1835,7 @@ sub get_from_queue {
 }
 
 sub select_user {
-    my ($symb,$cid)=&Apache::lonxml::whichuser();
+    my ($symb,$cid)=&Apache::lonnet::whichuser();
 
     my @chosen_sections=
 	&Apache::loncommon::get_env_multiple('form.chosensections');
@@ -2521,7 +2508,7 @@ sub start_Criteria {
 		$result.=
 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},[@_]);
 		$result.='</p><p class="LC_grade">'.$status_display.'</p>';
-		if ($comment =~ /\w/) {
+		if ($comment) {
 		    $result.='<p class="LC_comment">'.
 			&mt('Comment: [_1]',$comment).'</p>';
 		}
@@ -2559,7 +2546,7 @@ sub end_GraderNote {
 
 sub proctor_validation_screen {
     my ($slot) = @_;
-    my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
+    my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
     my $name=&Apache::loncommon::plainname($user,$domain);