--- loncom/homework/bridgetask.pm	2006/05/16 21:21:31	1.152
+++ loncom/homework/bridgetask.pm	2006/06/13 20:28:49	1.169
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: bridgetask.pm,v 1.152 2006/05/16 21:21:31 albertel Exp $
+# $Id: bridgetask.pm,v 1.169 2006/06/13 20:28:49 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -38,25 +38,28 @@ use Apache::lonlocal;
 use Apache::lonxml;
 use Apache::slotrequest();
 use Time::HiRes qw( gettimeofday tv_interval );
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
+ 
 
 BEGIN {
-    &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','Instance','InstanceText','Criteria','ClosingParagraph'));
+    &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','ClosingParagraph'));
 }
 
+my %dimension;
 sub initialize_bridgetask {
     # id of current Dimension, 0 means that no dimension is current 
     # (inside <Task> only)
-    $Apache::bridgetask::dimension='';
+    %Apache::bridgetask::dimension=();
     # list of all Dimension ids seen
-    @Apache::bridgetask::dimensionlist=();
-    # mandatory attribute of all Dimensions seen
-    %Apache::bridgetask::dimensionmandatory=();
+    %Apache::bridgetask::top_dimensionlist=();
     # list of all current Instance ids
-    @Apache::bridgetask::instance=();
+    %Apache::bridgetask::instance=();
     # list of all Instance ids seen in this problem
     @Apache::bridgetask::instancelist=();
     # key of queud user data that we are currently grading
     $Apache::bridgetask::queue_key='';
+    undef(%dimension);
 }
 
 sub proctor_check_auth {
@@ -263,7 +266,7 @@ STUFF
     }
     
     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
-    $symb=&Apache::lonnet::escape($symb);
+    $symb=&escape($symb);
     $result.='<form method="post" action="/adm/slotrequest">'.
 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
 	'<input type="hidden" name="command" value="'.$action.'" />'.
@@ -362,26 +365,44 @@ sub file_list {
 	my $file=$file_url.$partial_file;
 	$file=~s|/+|/|g;
 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
-	$file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
-	    &Apache::loncommon::icon($file).'" border="0"> '.$file.
-	    '</a></nobr></li>'."\n";
+	$file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
+	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
+	    '</a></span></li>'."\n";
     }
     $file_list.="</ul>\n";
     return $file_list;
 }
 
+sub grade_mode {
+    if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
+	return 'regrade';
+    }
+    return 'queue_grade';
+}
+
 sub webgrade_standard_info {
     my ($version)=&get_version();
 
     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
 
-    my %lt=&Apache::lonlocal::texthash('done' => 'Next Item',
-				       'stop' => 'Quit Grading',
-				       'fail' => 'Fail Rest',
-				       );
-				       
+    my %lt=('done'   => 'Next Item',
+	    'stop'   => 'Quit Grading',
+	    'fail'   => 'Fail Rest',
+	    'cancel' => 'Cancel',
+	    );
+    my %lt=&Apache::lonlocal::texthash(%lt);
+
     my $result=<<INFO;
   <div class="LC_GRADING_maincontrols">
+INFO
+
+    if (&grade_mode() eq 'regrade') {
+	$result.=<<INFO;
+    <input type="submit" name="cancel" value="$lt{'cancel'}" />
+INFO
+    }
+
+    $result.=<<INFO;
     <input type="submit" name="next" value="$lt{'done'}" />
     <input type="submit" name="stop" value="$lt{'stop'}" />
     <input type="button" name="fail" value="$lt{'fail'}" 
@@ -392,6 +413,58 @@ INFO
     return $result;
 }
 
+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 $files = '<ul>';
+    my $msg;
+    foreach my $file (@files) {
+	my $url="/uploaded/$domain/$user/portfolio$file";
+	if (! &Apache::lonnet::stat_file($url)) {
+	    $file = &mt('<span class="LC_error"> Nonexistent file:</span> '.
+			'<span class="LC_filename">[_1]</span>',$file);
+	    $msg .= "<p>Submitted non-existant file $file</p>\n";
+	} else {
+	    $file = '<span class="LC_filename">'.$file.'</span>';
+	    $msg .= "<p>Submitted file $file</p>\n";
+	}
+	$files .= '<li>'.$file.'</li>';
+    }
+    $files.='</ul>';
+    my $subject = "Submission message for $title";
+    my ($message_status,$comment_status);
+    my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
+    $setting =~ s/^\s*(\S*)\s*$/$1/;
+    $setting = lc($setting);
+    if ($setting eq 'only_student'
+	|| $setting eq 'student_and_user_notes_screen') {
+	$message_status =
+	    &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
+	$message_status = '<p>'.&mt('Message sent to user: [_1]',
+				    $message_status).' </p>';
+    }
+    if ($setting eq 'student_and_user_notes_screen') {
+	$comment_status = 
+	    &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
+						      $msg,$user,$domain);
+	$comment_status = '<p>'.&mt('Message sent to instructor: [_1]',
+				    $comment_status).' </p>';
+    }
+    return <<DONESCREEN;
+<h2>$title</h2>
+<p> Files submitted: $files </p>
+<p> You are now done with this Bridge Task </p>
+<hr />
+<p> <a href="/adm/logout">Logout</a> </p>
+<p> <a href="/adm/roles">Change to a different course</a> </p>
+$message_status
+$comment_status
+DONESCREEN
+
+}
+
 sub start_Task {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
 
@@ -452,8 +525,10 @@ sub start_Task {
     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
     }
-    if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
-	$target eq 'tex') {
+    if ($target eq 'web' 
+	|| ($target eq 'grade' && !$env{'form.webgrade'}) 
+	|| $target eq 'answer' 
+	|| $target eq 'tex') {
 	my ($version,$previous)=&get_version();
 	($status,$accessmsg,my $slot_name,$slot) = 
 	    &Apache::lonhomework::check_slot_access('0','Task');
@@ -490,30 +565,7 @@ sub start_Task {
 		} elsif ($status eq 'WAITING_FOR_GRADE') {
 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
 		} elsif ($env{'form.donescreen'}) {
-		    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 $files = '<ul>';
-		    foreach my $file (@files) {
-			my $url="/uploaded/$domain/$user/portfolio$file";
-			if (! &Apache::lonnet::stat_file($url)) {
-			    $file = &mt('<font color="red"> Nonexistant file:</font> <tt>[_1]</tt>',$file);
-			} else {
-			    $file = '<tt>'.$file.'</tt>';
-			}
-			$files .= '<li>'.$file.'</li>';
-		    }
-		    $files.='</ul>';
-
-		    $result.=<<DONESCREEN;
-<h2>$title</h2>
-<p> Files submitted: $files </p>
-<p> You are now done with this Bridge Task </p>
-<hr />
-<p> <a href="/adm/logout">Logout</a> </p>
-<p> <a href="/adm/roles">Change to a different course</a> </p>
-DONESCREEN
+		    $result .= &done_screen($version);
 		} elsif ($status ne 'NOT_YET_VIEWED') {
 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
 		}
@@ -574,7 +626,7 @@ DONESCREEN
 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
 	    $form_tag_start.=
 		'<input type="hidden" name="gradingkey" value="'.
-		&Apache::lonnet::escape($todo).'" />';
+		&escape($todo).'" />';
 	    $Apache::bridgetask::queue_key=$todo;
 	    &Apache::structuretags::initialize_storage();
 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
@@ -589,6 +641,17 @@ DONESCREEN
 		    &mt('Return to resource').'</a></p>';
 		if      ($status_code eq 'stop') {
 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
+		} elsif ($status_code eq 'cancel') {
+		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
+		} elsif ($status_code eq 'never_versioned') {
+		    $result.='<b>'.
+			&mt("Requested user has never accessed the task.").
+			'</b>'.$back;
+		} elsif ($status_code =~ /still_open:(.*)/) {
+		    my $date = &Apache::lonlocal::locallocaltime($1);
+		    $result.='<b>'.
+			&mt("Task is still open, will close at [_1].",$date).
+			'</b>'.$back;
 		} elsif ($status_code eq 'lock_failed') {
 		    $result.='<b>'.&mt("Failed to lock the requested record.")
 			.'</b>'.$back;
@@ -609,6 +672,8 @@ DONESCREEN
 		}
 	    }
 	    $webgrade='no';
+	}
+	if (!$todo || $env{'form.cancel'}) {
 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
 	}
 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
@@ -651,6 +716,20 @@ DONESCREEN
     return $result;
 }
 
+sub get_task_end_time {
+    my ($queue_entry,$symb,$udom,$uname) = @_;
+
+    my $end_time;
+    if (my $slot = &slotted_access($queue_entry)) {
+	my %slot_data=&Apache::lonnet::get_slot($slot);
+	$end_time = $slot_data{'endtime'};
+    } else {
+	$end_time = &Apache::lonhomework::due_date('0',$symb,
+						   $udom,$uname);
+    }
+    return $end_time;
+}
+
 sub get_key_todo {
     my ($target)=@_;
     my $todo;
@@ -699,18 +778,34 @@ sub get_key_todo {
 	if (!$queue) {
 	    $env{'form.queue'} = $queue = 'none';
 	    #not queued so doing either a re or pre grade
+	    my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
+	    if ($status{'resource.0.version'} < 1) {
+		return (undef,'never_versioned');
+	    }
 	    return ($gradingkey);
 	}
 
+	if ($queue) {
+	    my $queue_entry = &get_queue_data($queue,$udom,$uname);
+	
+	    my $end_time = &get_task_end_time($queue_entry,$symb,
+					      $udom,$uname);
+	    if ($end_time > time) {
+		return (undef,"still_open:$end_time");
+	    }
+	}
+
 	my $who=&queue_key_locked($queue,$gradingkey);
 	if ($who eq $me) {
 	    #already have the lock
-	    $env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);
+	    $env{'form.gradingkey'}=&escape($gradingkey);
+	    &Apache::lonxml::debug("already locked");
 	    return ($gradingkey);
 	}
 	
 	if (!defined($who)) {
 	    if (&lock_key($queue,$gradingkey)) {
+		&Apache::lonxml::debug("newly locked");
 		return ($gradingkey);
 	    } else {
 		return (undef,'lock_failed');
@@ -730,13 +825,15 @@ sub get_key_todo {
 	$env{'form.queue'}=$queue='gradingqueue';
     }
 
-    my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
+    my $gradingkey=&unescape($env{'form.gradingkey'});
 
     if ($env{'form.queue'} eq 'none') {
 	if (defined($env{'form.gradingkey'})) {
 	    if ($target eq 'webgrade') {
 		if ($env{'form.stop'}) {
 		    return (undef,'stop');
+		} elsif ($env{'form.cancel'}) {
+		    return (undef,'cancel');
 		} elsif ($env{'form.next'}) {
 		    return (undef,'select_user');
 		}
@@ -782,7 +879,8 @@ sub get_key_todo {
 
     if ($env{'form.queuemode'} ne 'selected') {
 	# don't get something new from the queue if they hit the stop button
-    	if (!($env{'form.stop'} && $target eq 'webgrade') 
+    	if (!(($env{'form.cancel'} || $env{'form.stop'}) 
+	      && $target eq 'webgrade') 
 	    && !$env{'form.gradingaction'}) {
 	    &Apache::lonxml::debug("Getting anew $queue");
 	    return (&get_from_queue($queue));
@@ -873,11 +971,11 @@ DONEBUTTON
 		    my $man_count=0;
 		    my $opt_count=0;
 		    my $opt_passed=0;
-		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
-			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
+		    foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
+			if ($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}
 			    eq 'N') {
 			    $opt_count++;
-			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
+			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.status"} eq 'pass') {
 				$opt_passed++;
 			    }
 			} else {
@@ -934,7 +1032,12 @@ DONEBUTTON
 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
 	    &Apache::structuretags::finalize_storage();
 	}
-	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
+	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
+	    && exists($env{'form.cancel'})) {
+	    &check_queue_unlock($env{'form.queue'});
+	    &Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
+	} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
+		 && !exists($env{'form.cancel'})) {
 	    my $optional_required=
 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
 					   $safeeval);
@@ -943,11 +1046,11 @@ DONEBUTTON
 	    my $ungraded=0;
 	    my $review=0;   
 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
-	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
+	    foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
 		my $status=
-		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
+		    $Apache::lonhomework::results{"resource.$version.0.$dim.status"};
 		my $mandatory=
-		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
+		    ($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'} ne 'N');
 		if ($status eq 'pass') {
 		    if (!$mandatory) { $optional_passed++; }
 		} elsif ($status eq 'fail') {
@@ -963,7 +1066,7 @@ DONEBUTTON
 	    if ($optional_passed < $optional_required) {
 		$mandatory_failed++;
 	    }
-	    &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
+	    &Apache::lonxml::debug("all dim ".join(':',keys(%Apache::bridgetask::top_dimensionlist))."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
 	    $Apache::lonhomework::results{'resource.0.regrader'}=
 		$env{'user.name'}.':'.$env{'user.domain'};
 	    if ($review) {
@@ -1088,6 +1191,7 @@ sub check_queue_unlock {
     my $me=$env{'user.name'}.':'.$env{'user.domain'};
     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
     if  ($who eq $me) {
+	&Apache::lonxml::debug("unlocking my own $who");
 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
     } elsif ($allow_not_me) {
 	&Apache::lonxml::debug("unlocking $who by $me");
@@ -1144,8 +1248,12 @@ sub setup_env_for_other_user {
 }
 
 sub get_queue_data {
-    my ($queue)=@_;
-    my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+    my ($queue,$udom,$uname)=@_;
+    my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonxml::whichuser();
+    if (!$uname || !$udom) {
+	$uname=$other_uname;
+	$udom =$other_udom;
+    }
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
     my $todo="$symb\0queue\0$uname:$udom";
@@ -1198,6 +1306,30 @@ sub add_to_queue {
     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
 }
 
+sub get_limited_classlist {
+    my ($sections) = @_;
+
+    my $classlist = &Apache::loncoursedata::get_classlist();
+    foreach my $student (keys(%$classlist)) {
+	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
+	     ne 'Active') {
+	    delete($classlist->{$student});
+       	}
+    }
+
+    if (ref($sections) && !grep('all',@{ $sections })) {
+	foreach my $student (keys(%$classlist)) {
+	    my $section  = 
+		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
+	    if (! grep($section,@{ $sections })) {
+		delete($classlist->{$student});
+	    }
+	}
+    }
+    return $classlist;
+}
+
+
 sub show_queue {
     my ($queue,$with_selects)=@_;
     my $result;
@@ -1207,36 +1339,66 @@ sub show_queue {
 
     my @chosen_sections=
 	&Apache::loncommon::get_env_multiple('form.chosensections');
-    &Apache::grades::init_perm();
-    my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
-    &Apache::grades::reset_perm();
+
+    my $classlist = &get_limited_classlist(\@chosen_sections);
+
     if (!(grep(/^all$/,@chosen_sections))) {
 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
 	    '</tt>.</p> '."\n";
     }
 
+    my ($view,$view_section);
+    my $scope = $env{'request.course.id'};
+    if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
+	$scope .= '/'.$env{'request.course.sec'};
+	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
+	    $view_section=$env{'request.course.sec'};
+	} else {
+	    undef($view);
+	}
+    }
+
     my $regexp="^$symb\0";
     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
     my ($tmp)=%queue;
     if ($tmp=~/^error: 2 /) {
-	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
+	return "\n<h3>Current Queue - $queue</h3>".
+	    &Apache::loncommon::start_data_table().
+	    &Apache::loncommon::start_data_table_row().
+	    '<td>'.&mt('Empty').'</td>'.
+	    &Apache::loncommon::end_data_table_row().
+	    &Apache::loncommon::end_data_table();
     }
     my $title=&Apache::lonnet::gettitle($symb);
-    $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
+    $result.="\n<h3>Current Queue - $title $queue </h3>".
+	&Apache::loncommon::start_data_table().
+	&Apache::loncommon::start_data_table_header_row();
     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
-    $result.="<th>user</th><th>data</th></tr>";
+    $result.="<th>user</th><th>data</th>".
+	&Apache::loncommon::end_data_table_header_row();
     foreach my $key (sort(keys(%queue))) {
 	my ($symb,$uname,$udom) = &decode_queue_key($key);
 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
+	
+	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
+
+	my $can_view=1;
+	if (!$view
+	    || ($view_section && !$section)
+	    || ($view_section && $section && ($view_section ne $section))) {
+	    $can_view=0;
+	}
+
 	if ($key=~/locked$/ && !$with_selects) {
-	    $result.="<tr><td>$uname</td>";
+	    $result.= &Apache::loncommon::start_data_table_row().
+		"<td>$uname</td>";
 	    $result.='<td>'.$queue{$key}.'</td></tr>';
 	} elsif ($key=~/timestamp$/ && !$with_selects) {
-	    $result.="<tr><td></td>";
+	    $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
 	    $result.='<td>'.
 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
 	} elsif ($key!~/(timestamp|locked)$/) {
-	    $result.="<tr>";
+	    $result.= &Apache::loncommon::start_data_table_row();
 	    my ($end_time,$slot_text);
 	    if (my $slot=&slotted_access($queue{$key})) {
 		my %slot_data=&Apache::lonnet::get_slot($slot);
@@ -1247,7 +1409,7 @@ sub show_queue {
 		$slot_text = '';
 	    }
 	    if ($with_selects) {
-		my $ekey=&Apache::lonnet::escape($key);
+		my $ekey=&escape($key);
 		my ($action,$description,$status)=('select',&mt('Select'));
 		if (exists($queue{"$key\0locked"})) {
 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
@@ -1263,7 +1425,7 @@ sub show_queue {
 		    $seclist.='<input type="hidden" name="chosensections" 
                                value="'.$sec.'" />';
 		}
-		if ($end_time ne '' && time > $end_time) {
+		if ($can_view && ($end_time ne '' && time > $end_time)) {
 		    $result.=(<<FORM);
 <td>$status</td>
 <td>
@@ -1278,19 +1440,20 @@ sub show_queue {
 </form>
 </td>
 FORM
-
+                } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
+		    $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
                 } else {
 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
 		}
 	    }
-	    $result.= "<td>".$fullname->{$uname.':'.$udom}.
+	    $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
 		" <tt>($uname:$udom)</tt> </td>";
 	    $result.='<td>'.$slot_text.' End time: '.
 		&Apache::lonlocal::locallocaltime($end_time).
-		"</td></tr>";
+		"</td>".&Apache::loncommon::end_data_table_row();
 	}
     }
-    $result.="</table><hr />\n";
+    $result.= &Apache::loncommon::end_data_table()."<hr />\n";
     return $result;
 }
 
@@ -1300,6 +1463,9 @@ sub get_queue_counts {
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
+
+    my $classlist=&get_limited_classlist();
+
     my $regexp="^$symb\0";
     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
     my ($tmp)=%queue;
@@ -1309,12 +1475,14 @@ sub get_queue_counts {
     my ($entries,$ready_to_grade,$locks)=(0,0,0);
     my %slot_cache;
     foreach my $key (sort(keys(%queue))) {
+	my ($symb,$uname,$udom) = &decode_queue_key($key);
+	if (!defined($classlist->{$uname.':'.$udom})) { next; }
+
 	if ($key=~/locked$/) {
 	    $locks++;
 	} elsif ($key=~/timestamp$/) {
 	    #ignore
 	} elsif ($key!~/(timestamp|locked)$/) {
-	    my ($symb,$uname,$udom) = &decode_queue_key($key);
 	    $entries++;
 	    if (my $slot=&slotted_access($queue{$key})) {
 		if (!exists($slot_cache{$slot})) {
@@ -1379,14 +1547,18 @@ sub slotted_access {
 }
 
 sub pick_from_queue_data {
-    my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
+    my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
     my @possible; # will hold queue entries that are valid to be selected
     foreach my $key (keys(%$queuedata)) {
 	if ($key =~ /\0locked$/) { next; }
 	if ($key =~ /\0timestamp$/) { next; }
+
 	my ($symb,$uname,$udom)=&decode_queue_key($key);
+	if (!defined($classlist->{$uname.':'.$udom})) { next; }
+
 	if ($check_section) {
-	    my $section=&Apache::lonnet::getsection($uname,$udom);
+	    my $section =
+		$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
 	    if ($section eq $check_section) {
 		&Apache::lonxml::debug("my sec");
 		next;
@@ -1394,20 +1566,23 @@ sub pick_from_queue_data {
 	}
 	my $end_time;
 	if (my $slot=&slotted_access($queuedata->{$key})) {
+	    &Apache::lonxml::debug("looking at slot $slot");
 	    my %slot_data=&Apache::lonnet::get_slot($slot);
 	    if ($slot_data{'endtime'} < time) { 
 		$end_time = $slot_data{'endtime'};
+	    } else {
+		&Apache::lonxml::debug("not time ".$slot_data{'endtime'});
+		next;
 	    }
 	} else {
 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
-	    if ($due_date > time) {
+	    if ($due_date < time) {
 		$end_time = $due_date;
+	    } else {
+		&Apache::lonxml::debug("not time $due_date");
+		next;
 	    }
 	}
-	if ($end_time ne '') {
-	    &Apache::lonxml::debug("not time");
-	    next;
-	}
 	
 	if (exists($queuedata->{"$key\0locked"})) {
 	    &Apache::lonxml::debug("someone already has um.");
@@ -1433,7 +1608,7 @@ sub pick_from_queue_data {
 
 sub find_mid_grade {
     my ($queue,$symb,$cdom,$cnum)=@_;
-    my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
+    my $todo=&unescape($env{'form.gradingkey'});
     my $me=$env{'user.name'}.':'.$env{'user.domain'};
     if ($todo) {
 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
@@ -1474,6 +1649,8 @@ sub get_queue_symb_status {
 	$cnum=$env{'course.'.$cid.'.num'};
 	$cdom=$env{'course.'.$cid.'.domain'};
     }
+    my $classlist=&get_limited_classlist();
+
     my $regexp="^$symb\0";
     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
     my ($tmp)=%queue;
@@ -1483,6 +1660,7 @@ sub get_queue_symb_status {
 	next if ($key=~/locked$/);
 	next if ($key=~/timestamp$/);
 	my ($symb,$uname,$udom) = &decode_queue_key($key);
+	next if (!defined($classlist->{$uname.':'.$udom}));
 	push(@users,"$uname:$udom");
     }
     return @users;
@@ -1498,6 +1676,9 @@ sub get_from_queue {
     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
     if ($todo) { return $todo; }
     my $attempts=0;
+
+    my $classlist=&get_limited_classlist();
+
     while (1) {
 	if ($attempts > 2) {
 	    # tried twice to get a queue entry, giving up
@@ -1508,21 +1689,22 @@ sub get_from_queue {
 			      $cdom,$cnum);
 	&Apache::lonxml::debug("$starttime");
 	my $regexp="^$symb\0queue\0";
-	my $range= ($attempts < 1 ) ? '0-100' : '0-400';
+	#my $range= ($attempts < 1 ) ? '0-100' : '0-400';
 
 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
 	#make a pass looking for a user _not_ in my section
 	if ($env{'request.course.sec'}) {
 	    &Apache::lonxml::debug("sce");
 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
-					\%queue,$cdom,$cnum);
+					\%queue,$cdom,$cnum,$classlist);
 	    &Apache::lonxml::debug("sce $todo");
 	}
 	# no one _not_ in our section so look for any user that is
 	# ready for grading
 	if (!$todo) {
 	    &Apache::lonxml::debug("no sce");
-	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);
+	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
+					$classlist);
 	    &Apache::lonxml::debug("no sce $todo");
 	}
 	# no user to grade 
@@ -1567,18 +1749,17 @@ sub select_user {
 
     my @chosen_sections=
 	&Apache::loncommon::get_env_multiple('form.chosensections');
-    &Apache::grades::init_perm();
-    my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
-    &Apache::grades::reset_perm();
+
+    my $classlist = &get_limited_classlist(\@chosen_sections);
     
     my $result;
     if (!(grep(/^all$/,@chosen_sections))) {
 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
 	    '</tt>.</p> '."\n";
     }
-    $result.='<table border="1">';
+    $result.=&Apache::loncommon::start_data_table();
 
-    foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
+    foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
 	my ($uname,$udom) = split(/:/,$student);
 	
 	my $cnum=$env{'course.'.$cid.'.num'};
@@ -1599,9 +1780,10 @@ sub select_user {
 	    }
 	}
 	my $todo = 
-	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
+	    &escape(&encode_queue_key($symb,$udom,$uname));
 	if ($cannot_grade) {
-	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
+	    $result.=&Apache::loncommon::start_data_table_row().
+		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
 		'</td><td>';
 	} else {
 	    my $seclist;
@@ -1609,10 +1791,8 @@ sub select_user {
 		$seclist.='<input type="hidden" name="chosensections" 
                                value="'.$sec.'" />';
 	    }
-	    my $studentdis = $student;
-	    $studentdis =~ tr/:/@/;
+	    $result.=&Apache::loncommon::start_data_table_row();
 	    $result.=<<RESULT;
-<tr>
   <td>
     <form style="display: inline" method="post">
       <input type="hidden" name="gradingkey" value="$todo" />
@@ -1622,7 +1802,7 @@ sub select_user {
       <input type="submit" name="submit" value="Regrade" />
       $seclist
     </form>
-  <td>$fullname->{$student} <tt>($studentdis)</tt></td>
+  <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
   <td>
 RESULT
         }
@@ -1661,9 +1841,9 @@ RESULT
 	} else {
 	    $result.="&nbsp;";
 	}
-	$result.= '</td></tr>';
+	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
     }
-    $result.='</table>';
+    $result.=&Apache::loncommon::end_data_table();
     return $result;
 }
 
@@ -1708,6 +1888,10 @@ sub end_ClosingParagraph {
     return $result;
 }
 
+sub get_dim_id {
+    return $Apache::bridgetask::dimension[-1];
+}
+
 sub get_id {
     my ($parstack,$safeeval)=@_;
     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
@@ -1715,19 +1899,50 @@ sub get_id {
     return $id;
 }
 
-my %dimension;
+sub start_Setup {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+    #undef(%dimension);
+    my $dim = &get_id($parstack,$safeeval);
+    push(@Apache::bridgetask::dimension,$dim);
+    &Apache::lonxml::startredirection();
+    return &internal_location($dim);
+}
 sub start_Question { return &start_Dimension(@_); }
 sub start_Dimension {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-    undef(%dimension);
-    my $dim_id=&get_id($parstack,$safeeval);
-    $Apache::bridgetask::dimension=$dim_id;
-    push(@Apache::bridgetask::dimensionlist,$dim_id);
-    undef(@Apache::bridgetask::instance);
-    $Apache::bridgetask::dimensionmandatory{$dim_id}=
-	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+    my $dim = &get_id($parstack,$safeeval);
+    my $previous_dim;
+    if (@Apache::bridgetask::dimension) {
+	$previous_dim = $Apache::bridgetask::dimension[-1];
+	push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
+	     $dim);
+	# FIXME need to add as a 'criteria' for nesting
+	$dimension{$previous_dim}{'criteria.'.$dim}='';
+	$dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
+	$dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
+	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+	push(@{$dimension{$previous_dim}{'criterias'}},$dim);
+    } else {
+	$Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}=
+	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+    }
+    push(@Apache::bridgetask::dimension,$dim);
     &Apache::lonxml::startredirection();
-    return &internal_location($dim_id);
+    return &internal_location($dim);
+}
+
+sub start_QuestionText {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $dim = &get_dim_id();
+    my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+	$dimension{$dim}{'questiontext'}=$text;
+    }
+    return '';
+}
+
+sub end_QuestionText {
+    return '';
 }
 
 sub get_instance {
@@ -1737,7 +1952,7 @@ sub get_instance {
 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
 	$rand_alg eq '64bit4' ) {
 	&Apache::response::pushrandomnumber();
-	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
+	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
 	my $num=@order;
 	my $version=&get_version();
 	my $which=($version-1)%$num;
@@ -1749,10 +1964,10 @@ sub get_instance {
 	if (defined($instance)) { return $instance; }
 
 	&Apache::response::pushrandomnumber();
-	my @instances = @{$dimension{'instances'}};
+	my @instances = @{$dimension{$dim}{'instances'}};
 	# remove disabled instances
 	for (my $i=0; $i < $#instances; $i++) {
-	    if ($dimension{$instances[$i].'.disabled'}) {
+	    if ($dimension{$dim}{$instances[$i].'.disabled'}) {
 		splice(@instances,$i,1);
 		$i--;
 	    }
@@ -1769,6 +1984,18 @@ sub get_instance {
     }
 }
 
+sub get_criteria {
+    my ($what,$version,$dim,$id) = @_;
+    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+    my $prefix = ($type eq 'criteria') ? "$dim.$id"
+	                               : "$id";
+    my $entry = "resource.$version.0.$prefix.$what";
+    if (exists($Apache::lonhomework::results{$entry})) {
+	return $Apache::lonhomework::results{$entry};
+    }
+    return $Apache::lonhomework::history{$entry};
+}
+
 {
     my $last_link;
     sub link {
@@ -1785,16 +2012,21 @@ sub get_instance {
 	my $version=&get_version();
 	if ($target eq 'web') {
 	    @Apache::scripttag::parser_env = @_;
-	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
+	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
 	    my @instances = $instance;
 	    if (&Apache::response::showallfoils()) {
-		@instances = @{$dimension{'instances'}};
+		@instances = @{$dimension{$dim}{'instances'}};
 	    }
+	    my $shown_question_text;
 	    foreach my $instance (@instances) {
 		@Apache::scripttag::parser_env = @_;
-		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
-		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
-		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
+		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
+		@Apache::scripttag::parser_env = @_;
+		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+
+		my $task_status = 
+		    $Apache::lonhomework::history{"resource.$version.0.status"};
+		if ($task_status eq 'pass' || $task_status eq 'fail') {
 
 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
 		    my $mandatory='Mandatory';
@@ -1812,24 +2044,21 @@ sub get_instance {
 		    my $man_passed=0;
 		    my $opt_count=0;
 		    my $opt_passed=0;
-		    foreach my $id ( @{$dimension{$instance.'.criterias'}},
-				     @{$dimension{'criterias'}} ) {
-			if ($dimension{'criteria.'.$id.'.mandatory'} 
+		    foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
+				     @{$dimension{$dim}{'criterias'}} ) {
+			my $status = &get_criteria('status',$version,$dim,$id);
+			if ($dimension{$dim}{'criteria.'.$id.'.mandatory'} 
 			    eq 'N') {
 			    $opt_count++;
-			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$id.status"} eq 'pass') {
-				$opt_passed++;
-			    }
+			    if ($status eq 'pass') { $opt_passed++; }
 			} else {
 			    $man_count++;
-			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
-				$man_passed++;
-			    }
+			    if ($status eq 'pass') { $man_passed++; }
 			}
 		    }
 		    if ($man_passed eq $man_count) { $man_passed='all'; }
 
-		    my $opt_req=$dimension{$instance.'.optionalrequired'};
+		    my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
 		    if ($opt_req !~ /\S/) {
 			$opt_req=
 			    &Apache::lonxml::get_param('OptionalRequired',
@@ -1841,11 +2070,15 @@ sub get_instance {
 		    my $internal_location=&internal_location($dim);
 		    $result=~s/\Q$internal_location\E/$dim_info/;
 
-		    foreach my $id (@{$dimension{$instance.'.criterias'}},
-				    @{$dimension{'criterias'}}) {
-			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$id.status"};
-			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"};
-			my $mandatory=($dimension{'criteria.'.$id.'.mandatory'} ne 'N');
+		    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+				    @{$dimension{$dim}{'criterias'}}) {
+			# FIXME need to collect the dimension style criteria 
+			# and output them here.
+			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+			next if ($type eq 'dimension');
+			my $status= &get_criteria('status', $version,$dim,$id);
+			my $comment=&get_criteria('comment',$version,$dim,$id);
+			my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
 			if ($mandatory) {
 			    $mandatory='Mandatory';
 			} else {
@@ -1862,10 +2095,11 @@ sub get_instance {
 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
 			    .$mandatory.' Criteria</h4><p>';
 			@Apache::scripttag::parser_env = @_;
-			$result.=&Apache::scripttag::xmlparse($dimension{'criteria.'.$id});
+			$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'criteria.'.$id});
 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
-			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"}) {
-			    $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"}).'</p>';
+			if ($comment) {
+			    $result.='<p class="LC_comment">'.
+				&mt('Comment: [_1]',$comment).'</p>';
 			}
 			$result.='</div>';
 		    }
@@ -1874,19 +2108,25 @@ sub get_instance {
 	} elsif ($target eq 'webgrade') {
 	    # in case of any side effects that we need
 	    @Apache::scripttag::parser_env = @_;
-	    &Apache::scripttag::xmlparse($dimension{'intro'});
+	    &Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+	    @Apache::scripttag::parser_env = @_;
+	    &Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
 	    @Apache::scripttag::parser_env = @_;
-	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
-	    foreach my $id (@{$dimension{$instance.'.criterias'}},
-			    @{$dimension{'criterias'}} ) {
+	    &Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+	    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+			    @{$dimension{$dim}{'criterias'}} ) {
+		# dimensional 'criteria' don't get assigned grades
+		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+		next if ($type eq 'dimension');
+
 		my $link=&link($id);
-		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$id.status"};
+		my $status= &get_criteria('status',$version,$dim,$id);
 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
 		    '<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
 		@Apache::scripttag::parser_env = @_;
-		$result.=&Apache::scripttag::xmlparse($dimension{'criteria.'.$id});
+		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'criteria.'.$id});
 		$result.='</div>'."\n".
-		    #$dimension{'criteria.'.$id}.
+		    #$dimension{$dim}{'criteria.'.$id}.
 		    '<div class="LC_GRADING_grade">'."\n".
 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
@@ -1894,7 +2134,7 @@ sub get_instance {
 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
 		    '</div>'."\n".
 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
-		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"}).'</textarea>'."\n".
+		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode(&get_criteria('comment',$version,$dim,$id),'<>"&').'</textarea>'."\n".
 		    '</label>'."\n".
 		    '<ul class="LC_GRADING_navbuttons">'."\n".
 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
@@ -1909,12 +2149,27 @@ sub get_instance {
 	    my $mandatory_failed=0;
 	    my $ungraded=0;
 	    my $review=0;
-	    foreach my $id (@{$dimension{$instance.'.criterias'}},
-			    @{$dimension{'criterias'}}) {
+
+	    @Apache::scripttag::parser_env = @_;
+	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+	    @Apache::scripttag::parser_env = @_;
+	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
+	    @Apache::scripttag::parser_env = @_;
+	    &Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+
+	    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+			    @{$dimension{$dim}{'criterias'}}) {
 		my $link=&link($id);
-		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
-		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
-		my $mandatory=($dimension{'criteria.'.$id.'.mandatory'} ne 'N');
+
+		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+		if ($type eq 'criteria') {
+		    # dimensional 'criteria' don't get assigned grades
+		    $Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
+		    $Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
+		}
+		my $status= &get_criteria('status',$version,$dim,$id);
+
+		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
 		if ($status eq 'pass') {
 		    if (!$mandatory) { $optional_passed++; }
 		} elsif ($status eq 'fail') {
@@ -1928,7 +2183,7 @@ sub get_instance {
 		}
 	    }
 	    # FIXME optional required can apply to only <instance> right now...
-	    my $opt_req=$dimension{$instance.'.optionalrequired'};
+	    my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
 	    if ($opt_req !~ /\S/) {
 		$opt_req=
 		    &Apache::lonxml::get_param('OptionalRequired',
@@ -1938,7 +2193,7 @@ sub get_instance {
 	    if ($optional_passed < $opt_req) {
 		$mandatory_failed++;
 	    }
-	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
+	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
 	    if ($review) {
 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
 		    'review';
@@ -1956,6 +2211,43 @@ sub get_instance {
 	    # any other targets no output
 	    undef($result);
 	}
+	pop(@Apache::bridgetask::dimension);
+	return $result;
+    }
+
+    sub end_Setup {
+	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+	my $result=&Apache::lonxml::endredirection();
+	my $dim=&get_id($parstack,$safeeval);
+	my $instance=&get_instance($dim);
+	my $version=&get_version();
+	if ($target eq 'web') {
+	    @Apache::scripttag::parser_env = @_;
+	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+	    my @instances = $instance;
+	    if (&Apache::response::showallfoils()) {
+		@instances = @{$dimension{$dim}{'instances'}};
+	    }
+	    foreach my $instance (@instances) {
+		@Apache::scripttag::parser_env = @_;
+		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
+		@Apache::scripttag::parser_env = @_;
+		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+	    }
+	} elsif ($target eq 'webgrade' 
+		 || $target eq 'grade' && $env{'form.webgrade'}) {
+	    # in case of any side effects that we need
+	    @Apache::scripttag::parser_env = @_;
+	    &Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+	    @Apache::scripttag::parser_env = @_;
+	    &Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
+	    @Apache::scripttag::parser_env = @_;
+	    &Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+	} else {
+	    # any other targets no output
+	    undef($result);
+	}
+	pop(@Apache::bridgetask::dimension);
 	return $result;
     }
 }
@@ -1995,9 +2287,10 @@ sub grading_history {
 sub start_IntroParagraph {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
-    if ($target eq 'web' || $target eq 'webgrade') {
+    my $dim = &get_dim_id();
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
-	    $dimension{'intro'}=
+	    $dimension{$dim}{'intro'}=
 		&Apache::lonxml::get_all_text('/introparagraph',
 					      $parser,$style);
        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
@@ -2017,15 +2310,16 @@ sub end_IntroParagraph {
 
 sub start_Instance {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-    my $id=&get_id($parstack,$safeeval);
-    push(@{$dimension{'instances'}},$id);
-    push(@Apache::bridgetask::instance,$id);
+    my $dim = &get_dim_id();
+    my $id  = &get_id($parstack,$safeeval);
+    push(@{$dimension{$dim}{'instances'}},$id);
+    push(@{$Apache::bridgetask::instance{$dim}},$id);
     push(@Apache::bridgetask::instancelist,$id);
-    $dimension{$id.'.optionalrequired'}=
+    $dimension{$dim}{$id.'.optionalrequired'}=
 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
     if (lc($disabled) eq 'yes') {
-	$dimension{$id.'.disabled'}='1';
+	$dimension{$dim}{$id.'.disabled'}='1';
     }
     return '';
 }
@@ -2035,10 +2329,11 @@ sub end_Instance {
 
 sub start_InstanceText {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    my $instance_id=$Apache::bridgetask::instance[-1];
+    my $dim = &get_dim_id();
+    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
-    if ($target eq 'web' || $target eq 'webgrade') {
-	$dimension{$instance_id.'.text'}=$text;
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+	$dimension{$dim}{$instance_id.'.text'}=$text;
     }
     return '';
 }
@@ -2051,18 +2346,22 @@ sub start_Criteria {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
+	my $dim = &get_dim_id();
 	my $id=&get_id($parstack,$safeeval);
+	&Apache::lonxml::debug("Criteria $id with $dim");
 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
-	    my $instance_id=$Apache::bridgetask::instance[-1];
-	    $dimension{"criteria.$instance_id.$id"}=$criteria;
-	    $dimension{"criteria.$instance_id.$id.mandatory"}=
+	    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
+	    $dimension{$dim}{"criteria.$instance_id.$id"}=$criteria;
+	    $dimension{$dim}{"criteria.$instance_id.$id.type"}='criteria';
+	    $dimension{$dim}{"criteria.$instance_id.$id.mandatory"}=
 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
-	    push(@{$dimension{$instance_id.'.criterias'}},"$instance_id.$id");
+	    push(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
 	} else {
-	    $dimension{'criteria.'.$id}=$criteria;
-	    $dimension{'criteria.'.$id.'.mandatory'}=
+	    $dimension{$dim}{'criteria.'.$id}=$criteria;
+	    $dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
+	    $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
-	    push(@{$dimension{'criterias'}},$id);
+	    push(@{$dimension{$dim}{'criterias'}},$id);
 	}
     }
     return '';