--- loncom/homework/bridgetask.pm	2005/09/09 18:20:16	1.45
+++ loncom/homework/bridgetask.pm	2005/11/18 20:29:13	1.79
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: bridgetask.pm,v 1.45 2005/09/09 18:20:16 albertel Exp $
+# $Id: bridgetask.pm,v 1.79 2005/11/18 20:29:13 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -68,8 +68,18 @@ sub proctor_check_auth {
     foreach my $possible (@allowed) {
 	my ($puser,$pdom)=(split('@',$possible));
 	if ($puser eq $user && $pdom eq $domain) {
-	    my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
-	    if ($authhost ne 'no_host') {
+	    my $authenticated=0;
+	    if ( $slot->{'secret'} =~ /\S/ &&
+		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
+		$authenticated=1;
+	    } else {
+		
+		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
+		if ($authhost ne 'no_host') {
+		    $authenticated=1;
+		}
+	    }
+	    if ($authenticated) {
 		my $version=
 		    $Apache::lonhomework::results{'resource.version'}=
 		    ++$Apache::lonhomework::history{'resource.version'};
@@ -144,11 +154,28 @@ sub add_previous_version_button {
 }
 
 sub add_grading_button {
+    my (undef,$cid)=&Apache::lonxml::whichuser();
+    my $cnum=$env{'course.'.$cid.'.num'};
+    my $cdom=$env{'course.'.$cid.'.domain'};
+    my %sections;
+    my $numsections=&Apache::loncommon::get_sections($cdom,$cnum,\%sections);
+    my $size=5;
+    if (scalar(keys(%sections)) < 3) {
+	$size=scalar(keys(%sections))+2;
+    }
+    my $sec_select = '<select multiple name="chosensections" size="'.$size.'">'."\n";
+    $sec_select .= "<option value='all' selected='selected'>all</option>\n";
+    foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
+	$sec_select .= "<option name=\"$sec\">$sec</option>\n";
+    }
+    $sec_select .= "<option value='none'>none</option></select>\n";
+    
     my $result=' <input type="submit" name="gradeasubmission" value="'.
 	&mt("Get a submission to grade").'" />';
     $result.='<input type="hidden" name="grade_target" value="webgrade" />';
     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
+	$result.='<p>Specify a section: '.$sec_select.'</p>';
 	$result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
 
 	$result.=' <input type="submit" name="reviewagrading" value="'.
@@ -158,6 +185,8 @@ sub add_grading_button {
 	$result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
 	$result.=' <input type="submit" name="reviewasubmission" value="'.
 	    &mt("Select an entry from the review queue").'" /> </p>'."\n";
+	$result.=' <input type="submit" name="regradeasubmission" value="'.
+	    &mt("Select a user to regrade.").'" /> </p>'."\n";
     }
     return $result;
 }
@@ -202,13 +231,160 @@ sub preserve_grade_info {
     return $result;
 }
 
+sub style {
+    return (<<STYLE);
+<style type="text/css">
+.fail, .pass, .neutral {
+    position: relative;
+    margin : 5px;
+    margin-bottom :10px;
+    padding : 4px;
+    padding-left : 75px;
+	border : thin solid;
+    font-weight : bolder;
+    font-size: smaller;
+    font-family: Arial;
+    background-color : rgb(255,240,225);
+}
+
+.fail h4, .pass h4 {
+	position:absolute;
+	left: -4px;
+	top: -8px;
+	padding:2px;
+	margin:0;
+	background-color : rgb(255,240,225);
+	border : thin solid;
+}
+
+.fail {
+	color: red;
+}
+
+.pass {
+    color : green;
+}
+
+.neutral {
+	color : blue;
+}
+
+.question {
+	border : thin solid black;
+	padding : 4px;
+	margin-bottom : 1em;
+}
+
+.grade {
+	font-size: x-large;
+	font-family: Arial;
+	position:absolute;
+	left: 5px;
+	top: -5px;
+	width: 70px;
+}
+
+div#feedback h1 {
+    color : inherit;
+}
+</style>
+STYLE
+
+}
+
+sub show_task {
+    my ($status,$previous)=@_;
+    if (!$previous && (
+		       ( $status eq 'CLOSED' ) ||
+		       ( $status eq 'BANNED') ||
+		       ( $status eq 'UNAVAILABLE') ||
+		       ( $status eq 'NOT_IN_A_SLOT') ||
+		       ( $status eq 'NEEDS_CHECKIN') ||
+		       ( $status eq 'WAITING_FOR_GRADE') ||
+		       ( $status eq 'INVALID_ACCESS') )) {
+	return 0;
+    }
+    if ($env{'form.donescreen'}) { return 0; }
+    return 1;
+}
+
+sub internal_location {
+    my ($id)=@_;
+    return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
+}
+
+sub submission_time_stamp {
+    my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
+    my $submissiontime;
+    my $version=$Apache::lonhomework::history{'resource.version'};
+    for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
+	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
+	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
+	}
+    }
+    my $result;
+    if ($submissiontime) {
+	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.checkedin.slot'};
+	my %slot=&Apache::lonnet::get_slot($slot_name);
+	my $diff = $slot{'endtime'} - $submissiontime;
+	my ($color,$when)=('#FF6666','after');
+	if ($diff > 0) { ($color,$when)=('#336600','before'); }
+	my $info;
+	if ($diff%60) { $info=($diff%60).' seconds'; }
+	$diff=int($diff/60);
+	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
+	$diff=int($diff/60);
+	if ($diff) {    $info=$diff.' hours '.$info; }
+	$result='<p><font color="'.$color.'">'.
+	    &mt('Student submitted [_1] [_2] the deadline. 
+                 (Submission was at [_3], end of period was [_4].)',
+		$info,$when,scalar(localtime($submissiontime)),
+		scalar(localtime($slot{'endtime'}))).
+		'</font></p>';
+    }
+    return $result;
+}
+
+sub webgrade_standard_info {
+    my ($version)=&get_version();
+    my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
+    my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
+    my $file_list="<ul>\n";
+    foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
+	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.="</ul>\n";
+
+    my %lt=&Apache::lonlocal::texthash('done' => 'Done',
+				       'stop' => 'Stop',
+				       );
+				       
+    my $result=<<INFO;
+<div class="handininfo">
+  <input type="submit" name="next" value="$lt{'done'}" />
+  <input type="submit" name="stop" value="$lt{'stop'}" />
+  $file_list
+</div>
+INFO
+    return $result;
+}
+
 sub start_Task {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
 
     my ($status,$accessmsg,$slot);
     if ($target ne 'webgrade') {
+	&Apache::structuretags::init_problem_globals('Task');
 	&Apache::structuretags::initialize_storage();
 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
+	if ($env{'request.state'} eq 'construct') {
+	    &Apache::structuretags::setup_rndseed($safeeval);
+	}
     } 
 
     $Apache::lonhomework::parsing_a_task=1;
@@ -216,7 +392,7 @@ sub start_Task {
     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
     
-    if ($target eq 'web') {
+    if ($target eq 'web' && $env{'request.state'} ne 'construct') {
 	if ($Apache::lonhomework::modifygrades) {
 	    $body_tag_start.='<form name="gradesubmission" method="POST" action="';
 	    my $uri=$env{'request.uri'};
@@ -233,6 +409,9 @@ 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' ||
 	$target eq 'tex') {
 	my ($version,$previous)=&get_version();
@@ -245,17 +424,13 @@ sub start_Task {
 	&Apache::run::run($expression,$safeeval);
 	&Apache::lonxml::debug("Got $status");
 	$body_tag_start.=&add_previous_version_button($status);
-	if (!$previous && (
-			   ( $status eq 'CLOSED' ) ||
-			   ( $status eq 'BANNED') ||
-			   ( $status eq 'UNAVAILABLE') ||
-			   ( $status eq 'NOT_IN_A_SLOT') ||
-			   ( $status eq 'NEEDS_CHECKIN') ||
-			   ( $status eq 'WAITING_FOR_GRADE') ||
-			   ( $status eq 'INVALID_ACCESS') )) {
+	if (!&show_task($status,$previous)) {
 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
 	    if ( $target eq "web" ) {
 		$result.= $head_tag_start.'</head>'.$body_tag_start;
+		if ($env{'request.state'} eq 'construct') {
+		    $result.=$form_tag_start;
+		}
 		my $msg;
 		if ($status eq 'UNAVAILABLE') {
 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
@@ -267,6 +442,18 @@ sub start_Task {
 			'</h1>'.&proctor_validation_screen($slot);
 		} 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 $files='<ul><li>'.join('</li><li>',@files).'</li></ul>';
+		    $result.=<<DONESCREEN;
+<h2>$title</h2>
+<p> Files submitted: $files </p>
+<p> You are now done with this Bridge Task </p>
+<hr />
+<p> <a href="/adm/logout">Logout</a> </p>
+<p> <a href="/adm/roles">Change to a different course</a> </p>
+DONESCREEN
 		} elsif ($status ne 'NOT_YET_VIEWED') {
 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
 		}
@@ -283,36 +470,31 @@ sub start_Task {
 		}
 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
 		if ($status eq 'NEEDS_CHECKIN') {
-		    &proctor_check_auth($slot_name,$slot);
+		    if(&proctor_check_auth($slot_name,$slot)) {
+			my $result=&add_to_queue('gradingqueue',
+						 $Apache::inputtags::slot_name);
+			&Apache::lonxml::debug("add_to_queue said $result");
+		    }
 		}
 	    }
 	} elsif ($target eq 'web') {
 	    my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
 	    $result.="$head_tag_start<title>$name</title></head>
-              $body_tag_start \n";
+              $body_tag_start \n".&style();
 	    
-	    my ($version,$previous)=&get_version();
-	    if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
-		$result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>';
-		if (!$previous) {
-		    $result.=&add_request_another_attempt_button();
-		}
-	    }
-	    if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass') {
-		$result.='<h1><font color="green">'.&mt('Passed').'</font></h1>';
-	    }
+	    $result.=&preserve_grade_info();
+	    $result.=&internal_location();
 	    $result.=$form_tag_start.
 		'<input type="hidden" name="submitted" value="yes" />';
-	    $result.=&preserve_grade_info();
-
+	    &Apache::lonxml::startredirection();
 	}
     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
 	      $target eq 'webgrade') {
 	my $webgrade='yes';
 	if ($target eq 'webgrade') {
 	    $result.=$head_tag_start.$body_tag_start;
-	    $result.='<br />Review'.&show_queue('reviewqueue');
-	    $result.='<br />Grade'.&show_queue('gradingqueue');
+	    #$result.='<br />Review'.&show_queue('reviewqueue');
+	    #$result.='<br />Grade'.&show_queue('gradingqueue');
 	}
 	# FIXME Blast! still need to reorg this, need to reshow the
         #       queue being reviewed once done with the grade pass...
@@ -321,7 +503,6 @@ sub start_Task {
         #       there isn't reshow the queue....
 	my ($todo,$status_code)=&get_key_todo($target);
 
-	&Apache::lonnet::logthis("got todo -$todo- stat -$status_code-");
 	if ($todo) {
 	    &setup_env_for_other_user($todo,$safeeval);
 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
@@ -334,7 +515,7 @@ sub start_Task {
 	    &Apache::structuretags::initialize_storage();
 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
 	    if ($target eq 'webgrade') {
-		$result.='<br />After -'.&show_queue($env{'form.queue'});
+		#$result.='<br />After -'.&show_queue($env{'form.queue'});
 		$result.="\n".'<table width="100%" style="width:100%" border="1">';
 		if ($status_code eq 'selected') {
 		    $form_tag_start.=
@@ -353,6 +534,8 @@ sub start_Task {
 		    $result.=&show_queue($env{'form.queue'},1);
 		} elsif ($status_code eq 'show_list') {
 		    $result.=&show_queue($env{'form.queue'},1);
+		} elsif ($status_code eq 'select_user') {
+		    $result.=&select_user();
 		} else {
 		    $result.='<b>'.&mt("No user to be graded.").'</b>';
 		}
@@ -361,12 +544,35 @@ sub start_Task {
 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
 	}
 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
+	    if ($webgrade eq 'yes') {
+		$result.=&submission_time_stamp();
+	    }
 	    $result.=$form_tag_start;
 	    $result.='<input type="hidden" name="webgrade" value="'.
 		$webgrade.'" />';
 	    $result.='<input type="hidden" name="queue" value="'.
 		$env{'form.queue'}.'" />';
+	    if ($env{'form.regrade'}) {
+		$result.='<input type="hidden" name="regrade" value="'.
+		    $env{'form.regrade'}.'" />';
+	    }
+	    if ($env{'form.chosensections'}) {
+		my @chosen_sections=
+		    &Apache::loncommon::get_env_multiple('form.chosensections');
+		foreach my $sec (@chosen_sections) {
+		    $result.='<input type="hidden" name="chosensections" 
+                               value="'.$sec.'" />';
+		}
+	    }
+	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
 	}
+    } elsif ($target eq 'edit') {
+	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
+	    &Apache::structuretags::problem_edit_header();
+	$Apache::lonxml::warnings_error_header=
+	    &mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
+	my $temp=&Apache::edit::insertlist($target,$token);
+	$result.=$temp;
     } else {
 	# page_start returned a starting result, delete it if we don't need it
 	$result = '';
@@ -379,7 +585,7 @@ sub get_key_todo {
     my $todo;
 
     if (defined($env{'form.reviewasubmission'})) {
-	&Apache::lonnet::logthis("review a submission....");
+	&Apache::lonxml::debug("review a submission....");
 	$env{'form.queue'}='reviewqueue';
 	return (undef,'show_list');
     }
@@ -390,6 +596,12 @@ sub get_key_todo {
 	return (undef,'show_list');
     }
 
+    if (defined($env{'form.regradeasubmission'})) {
+	&Apache::lonxml::debug("regrade a grading....");
+	$env{'form.queue'}='none';
+	return (undef,'select_user');
+    }
+
     my $queue=$env{'form.queue'};
 
     if (!defined($queue)) {
@@ -398,6 +610,20 @@ sub get_key_todo {
 
     my $gradingkey=&Apache::lonnet::unescape($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 ($env{'form.next'}) {
+		    return (undef,'select_user');
+		}
+	    }
+	    return ($gradingkey,'selected');
+	} else {
+	    return (undef,'select_user');
+	}
+    }
     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
 	&& !defined($env{'form.gradingaction'}) 
 	&& $env{'form.queuemode'} eq 'selected') {
@@ -445,7 +671,6 @@ sub get_key_todo {
     }
     return (undef,undef)
 }
-
 sub end_Task {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result='';
@@ -453,18 +678,76 @@ sub end_Task {
     my ($version,$previous)=&get_version();
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
 	$target eq 'tex') {
-	if (
-	    (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
-	    ($target eq 'answer') || ($target eq 'tex')
-	   ) {
+	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
 	    if ($target eq 'web') {
-		if ($status eq 'CAN_ANSWER' && !$previous) {
+		if (&show_task($status,$previous)) {
+		    $result.=&Apache::lonxml::endredirection();
+		}
+		if ($status eq 'CAN_ANSWER' && !$previous && 
+		    !$env{'form.donescreen'}) {
 		    $result.="\n".'<table border="1">'.
 			&Apache::inputtags::file_selector("$version.0",
 							  "bridgetask","*",
-							  'portfolioonly').
+							  'portfolioonly',
+							  '
+<h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
+<p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
 							  "</table>";
+		}
+		if (!$previous && $status ne 'SHOW_ANSWER' &&
+		    &show_task($status,$previous)) {
 		    $result.=&Apache::inputtags::gradestatus('0');
+		    $result.='</form>';
+		    $result.=<<DONEBUTTON;
+<form method="POST">
+   <input type="hidden" name="donescreen" value="1" />
+   <input type="submit" value="Done" />
+</form>
+DONEBUTTON
+                }
+		if (&show_task($status,$previous) &&
+		    $Apache::lonhomework::history{"resource.$version.status"} =~ /^(pass|fail)$/) {
+		    my $bt_status=$Apache::lonhomework::history{"resource.$version.status"};
+		    my $title=&Apache::lonnet::gettitle();
+		    my %slot=&Apache::lonnet::get_slot($Apache::inputtags::slot_name);
+		    my $start_time=
+			&Apache::lonlocal::locallocaltime($slot{'starttime'});
+
+		    my $status;
+		    $status.="\n<div class='$bt_status'>\n";
+		    
+		    if ($bt_status eq 'pass')  {
+			$status.='<h2>You passed the '.$title.' given on '.
+			    $start_time.'.</h2>';
+		    }
+		    if ($bt_status eq 'fail')  {
+			$status.='<h2>You did not pass the '.$title.' given on '.
+			    $start_time.'.</h2>';
+			if (!$previous) {
+			    $status.=&add_request_another_attempt_button();
+			}
+		    }
+		    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}
+			    eq 'N') {
+			    $opt_count++;
+			    if ($Apache::lonhomework::history{"resource.$version.$dim_id.status"} eq 'pass') {
+				$opt_passed++;
+			    }
+			} else {
+			    $man_count++;
+			}
+		    }
+		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
+							 $parstack,$safeeval);
+		    if ($opt_req !~ /\S/) { $opt_req='0'; }
+		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components on the bridge task.',$man_count,$opt_req,$opt_count)."</p></div>\n";
+
+		    my $internal_location=&internal_location();
+		    $result=~s/\Q$internal_location\E/$status/;
 		}
 	    } 
 	    if ($target eq 'web' || $target eq 'webgrade') {
@@ -484,12 +767,19 @@ sub end_Task {
 		$Apache::lonhomework::results{"resource.0.award"}=
 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
 		    $award;
+		$Apache::lonhomework::results{"resource.0.submission"}=
+		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
+	    } else {
+		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
+		$award = '';
 	    }
 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
 	    &Apache::structuretags::finalize_storage();
 	    if ($award eq 'SUBMITTED') {
 		&add_to_queue('gradingqueue',$Apache::inputtags::slot_name);
 	    }
+	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
+	    &Apache::structuretags::finalize_storage();
 	}
 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
 	    my $optional_required=
@@ -513,7 +803,9 @@ sub end_Task {
 		    $ungraded++;
 		} elsif ($status eq 'review') {
 		    $review++;
-		}	
+		} else {
+		    $ungraded++;
+		}
 	    }
 	    if ($optional_passed < $optional_required) {
 		$mandatory_failed++;
@@ -527,13 +819,14 @@ sub end_Task {
 		    &check_queue_unlock($env{'form.queue'});
 		    &Apache::lonxml::debug(" still needs review not changing status.");
 		} else {
-		    &move_between_queues('gradingqueue','reviewqueue');
+		    &move_between_queues($env{'form.queue'},'reviewqueue');
 		}
 	    } elsif ($ungraded) {
 		$Apache::lonhomework::results{"resource.$version.status"}='ungraded';
-		if ($env{'form.queue'} eq 'reviewqueue') {
+		if ($env{'form.queue'} eq 'reviewqueue' ||
+		    $env{'form.queue'} eq 'none' ) {
 		    &Apache::lonxml::debug("moving back.");
-		    &move_between_queues('reviewqueue','gradingqueue');
+		    &move_between_queues($env{'form.queue'},'gradingqueue');
 		} else {
 		    &check_queue_unlock($env{'form.queue'});
 		}
@@ -545,13 +838,16 @@ sub end_Task {
 		&remove_from_queue($env{'form.queue'}); 
 
 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
-		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
-		    $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
-		&Apache::grades::version_portfiles(
-					\%Apache::lonhomework::results,
-					 ["$version.0.bridgetask"],$courseid,
-					 $symb,$udom,$uname,
-					 ["$version.0.bridgetask"]);
+		
+		if ($env{'form.regrade'} ne 'yes') {
+		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
+			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
+		    &Apache::grades::version_portfiles(
+						       \%Apache::lonhomework::results,
+						       ["$version.0.bridgetask"],$courseid,
+						       $symb,$udom,$uname,
+						       ["$version.0.bridgetask"]);
+		}
 	    } else {
 		$Apache::lonhomework::results{"resource.$version.status"}='pass';
 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
@@ -560,23 +856,25 @@ sub end_Task {
 		&remove_from_queue($env{'form.queue'});
 
 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
-		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
-		    $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
-		&Apache::grades::version_portfiles(
-					\%Apache::lonhomework::results,
-					 ["$version.0.bridgetask"],$courseid,
-					 $symb,$udom,$uname,
-					 ["$version.0.bridgetask"]);
+		if ($env{'form.regrade'} ne 'yes') {
+		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
+			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
+		    &Apache::grades::version_portfiles(
+						       \%Apache::lonhomework::results,
+						       ["$version.0.bridgetask"],$courseid,
+						       $symb,$udom,$uname,
+						       ["$version.0.bridgetask"]);
+		}
 	    }
 	    $Apache::lonhomework::results{"resource.status"}=
 		$Apache::lonhomework::results{"resource.$version.status"};
 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
 		$Apache::lonhomework::results{"resource.0.award"}=
-		    $Apache::lonhomework::results{"resource.$version.award"};
+		    $Apache::lonhomework::results{"resource.$version.0.award"};
 		$Apache::lonhomework::results{"resource.0.awarded"}=
-		    $Apache::lonhomework::results{"resource.$version.awarded"};
+		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
 		$Apache::lonhomework::results{"resource.0.solved"}=
-		    $Apache::lonhomework::results{"resource.$version.solved"};
+		    $Apache::lonhomework::results{"resource.$version.0.solved"};
 	    }
 	    &Apache::structuretags::finalize_storage();
 	}
@@ -592,9 +890,15 @@ sub end_Task {
 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
 	$result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
     } elsif ($target eq 'meta') {
-	$result.='<parameter part="0" package="Task"></parameter>'."\n";
-	#$result.=&Apache::response::meta_part_order();
-	#$result.=&Apache::response::meta_response_order();
+	$result.=&Apache::response::meta_package_write('Task');
+        $result.=&Apache::response::meta_stores_write('solved','string',
+						      'Problem Status');
+	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
+						      'Number of Attempts');
+	$result.=&Apache::response::meta_stores_write('awarded','float',
+						      'Partial Credit Factor');
+	$result.=&Apache::response::meta_stores_write('status','string',
+						      'Bridge Task Status');
     }
     undef($Apache::lonhomework::parsing_a_task);
     return $result;
@@ -602,8 +906,13 @@ sub end_Task {
 
 sub move_between_queues {
     my ($src_queue,$dest_queue)=@_;
-    my $cur_data=&get_queue_data($src_queue);
-    if (!$cur_data) { return 'not_exist'; }
+    my $cur_data;
+    if ($src_queue ne 'none') {
+	$cur_data=&get_queue_data($src_queue);
+	if (!$cur_data) { return 'not_exist'; }
+    } else {
+	$cur_data = ['none'];
+    }
     my $result=&add_to_queue($dest_queue,$cur_data->[0]);
     if ($result ne 'ok') {
 	return $result;
@@ -614,6 +923,7 @@ 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();
     if (!defined($key)) {
 	$key="$symb\0queue\0$uname\@$udom";
@@ -633,6 +943,7 @@ sub check_queue_unlock {
 
 sub remove_from_queue {
     my ($queue)=@_;
+    if ($queue eq 'none') { return 'ok'; }
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
@@ -665,14 +976,36 @@ sub get_queue_data {
     return undef;
 }
 
+sub check_queue_for_key {
+    my ($cid,$queue,$todo)=@_;
+    my $cnum=$env{'course.'.$cid.'.num'};
+    my $cdom=$env{'course.'.$cid.'.domain'};
+    my %results=
+	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
+    
+    if (exists($results{$todo}) && ref($results{$todo})) {
+	if (defined($results{"$todo\0locked"})) {
+	    return 'locked';
+	}
+	my $slot=$results{$todo}->[0];
+	my %slot_data=&Apache::lonnet::get_slot($slot);
+	if ($slot_data{'endtime'} > time) { 
+	    return 'in_progress';
+	}
+	return 'enqueued';
+    }
+    return undef;
+}
+
 sub add_to_queue {
     my ($queue,$slot_name)=@_;
+    if ($queue eq 'none') { return 'ok'; }
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
     my %data;
     $data{"$symb\0queue\0$uname\@$udom"}=[$slot_name];
-    return &Apache::lonnet::put($queue,\%data,$cdom,$cnum);
+    return &Apache::lonnet::newput($queue,\%data,$cdom,$cnum);
 }
 
 sub show_queue {
@@ -681,6 +1014,17 @@ sub show_queue {
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
+
+    my @chosen_sections=
+	&Apache::loncommon::get_env_multiple('form.chosensections');
+    &Apache::grades::init_perm();
+    my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
+    &Apache::grades::reset_perm();
+    if (!(grep(/^all$/,@chosen_sections))) {
+	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
+	    '</tt>.</p> '."\n";
+    }
+
     my $regexp="^$symb\0";
     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
     my ($tmp)=%queue;
@@ -691,8 +1035,9 @@ sub show_queue {
     if ($with_selects) { $result.="<th></th>"; }
     $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
     foreach my $key (sort(keys(%queue))) {
+	my ($symb,$uname,$udom) = &decode_queue_key($key);
+	if (!defined($classlist->{$uname.':'.$udom})) { next; }
 	if ($key=~/locked$/ && !$with_selects) {
-	    my ($symb,$uname,$udom) = &decode_queue_key($key);
 	    my $title=&Apache::lonnet::gettitle($symb);
 	    $result.="<tr><td>$title</td><td>$uname</td>";
 	    $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
@@ -703,7 +1048,6 @@ sub show_queue {
 	    $result.='<td>last queue modification time</td><td>'.
 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
 	} elsif ($key!~/(timestamp|locked)$/) {
-	    my ($symb,$uname,$udom) = &decode_queue_key($key);
 	    my $title=&Apache::lonnet::gettitle($symb);
 	    $result.="<tr>";
 	    my $slot=$queue{$key}->[0];
@@ -719,6 +1063,11 @@ sub show_queue {
 			($action,$description)=('unlock',&mt('Unlock'));
 		    }
 		}
+		my $seclist;
+		foreach my $sec (@chosen_sections) {
+		    $seclist.='<input type="hidden" name="chosensections" 
+                               value="'.$sec.'" />';
+		}
 		if (time > $slot_data{'endtime'}) {
 		    $result.=(<<FORM);
 <td>
@@ -729,6 +1078,7 @@ sub show_queue {
  <input type="hidden" name="webgrade" value="no" />
  <input type="hidden" name="queuemode" value="selected" />
  <input type="submit" name="submit" value="$description" />
+ $seclist
 </form>
 </td>
 FORM
@@ -778,6 +1128,11 @@ sub get_queue_counts {
     return ($entries,$ready_to_grade,$locks);
 }
 
+sub encode_queue_key {
+    my ($symb,$udom,$uname)=@_;
+    return "$symb\0queue\0$uname\@$udom";
+}
+
 sub decode_queue_key {
     my ($key)=@_;
     my ($symb,undef,$user) = split("\0",$key);
@@ -803,6 +1158,8 @@ sub queue_key_locked {
 sub pick_from_queue_data {
     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
     foreach my $key (keys(%$queuedata)) {
+	if ($key =~ /\0locked$/) { next; }
+	if ($key =~ /\0timestamp$/) { next; }
 	my ($symb,$uname,$udom)=&decode_queue_key($key);
 	if ($check_section) {
 	    my $section=&Apache::lonnet::getsection($uname,$udom);
@@ -926,6 +1283,118 @@ sub get_from_queue {
     return $todo;
 }
 
+sub select_user {
+    my ($symb,$cid)=&Apache::lonxml::whichuser();
+
+    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 $result;
+    if (!(grep(/^all$/,@chosen_sections))) {
+	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
+	    '</tt>.</p> '."\n";
+    }
+    $result.='<table border="1">';
+
+    foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
+	my ($uname,$udom) = split(/:/,$student);
+	
+	my %status = &get_student_status($symb,$cid,$udom,$uname);
+	my $queue = 'none';
+	my $cannot_grade;
+	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
+	    $queue = 'reviewqueue';
+	    if ($status{'reviewqueue'} eq 'in_progress') {
+		$cannot_grade=1;
+	    }
+	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
+	    $queue = 'gradingqueue';
+	    if ($status{'gradingqueue'} eq 'in_progress') {
+		$cannot_grade=1;
+	    }
+	}
+	my $todo = 
+	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
+	if ($cannot_grade) {
+	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
+		'</td><td>';
+	} else {
+	    my $seclist;
+	    foreach my $sec (@chosen_sections) {
+		$seclist.='<input type="hidden" name="chosensections" 
+                               value="'.$sec.'" />';
+	    }
+	    $result.=<<RESULT;
+<tr>
+  <td>
+    <form method="POST">
+      <input type="hidden" name="gradingkey" value="$todo" />
+      <input type="hidden" name="queue" value="$queue" />
+      <input type="hidden" name="webgrade" value="no" />
+      <input type="hidden" name="regrade" value="yes" />
+      <input type="submit" name="submit" value="Regrade" />
+      $seclist
+    </form>
+  <td>$fullname->{$student}</td>
+  <td>
+RESULT
+        }
+        if ($status{'status'} eq 'pass') {
+	    $result .= '<font color="green">'.&mt('Passed').'</font>';
+	} elsif ($status{'status'} eq 'fail') {
+	    $result .= '<font color="red">'.&mt('Failed').'</font>';
+	} elsif ($status{'status'} eq 'review') {
+	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
+	} elsif ($status{'status'} eq 'ungraded') {
+	    $result .= &mt('Ungraded');
+	} elsif ($status{'status'} ne '') {
+	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
+	} else {
+	    $result.="&nbsp;";
+	}
+	if ($status{'version'}) {
+	    $result .= ' '.&mt('Version').' '.$status{'version'};
+	}
+	$result.= '</td><td>';
+	if ($status{'reviewqueue'} eq 'enqueued') {
+	    $result .= &mt('Awaiting Review');
+	} elsif ($status{'reviewqueue'} eq 'locked') {
+	    $result .= &mt('Under Review');
+	} elsif ($status{'reviewqueue'} eq 'in_progress') {
+	    $result .= &mt('Still being worked on.');
+	} elsif ($status{'gradingqueue'} eq 'enqueued') {
+	    $result .= &mt('Awaiting Grading');
+	} elsif ($status{'gradingqueue'} eq 'locked') {
+	    $result .= &mt('Being Graded');
+	} elsif ($status{'gradingqueue'} eq 'in_progress') {
+	    $result .= &mt('Still being worked on.');
+	} else {
+	    $result.="&nbsp;";
+	}
+	$result.= '</td></tr>';
+    }
+    $result.='</table>';
+    return $result;
+}
+
+sub get_student_status {
+    my ($symb,$cid,$udom,$uname)=@_;
+    my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
+					  $udom,$uname);
+    my %status;
+    $status{'status'}=$record{'resource.status'};
+    $status{'version'}=$record{'resource.version'};
+    $status{'grader'}=$record{'resource.grader'};
+    $status{'reviewqueue'}=&check_queue_for_key($cid,'reviewqueue',
+				       &encode_queue_key($symb,$udom,$uname));
+    $status{'gradingqueue'}=&check_queue_for_key($cid,'gradingqueue',
+				       &encode_queue_key($symb,$udom,$uname));
+    return %status;
+}
+
 sub start_ClosingParagraph {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;
@@ -963,64 +1432,158 @@ sub start_Dimension {
     undef(@Apache::bridgetask::instance);
     $Apache::bridgetask::dimensionmandatory{$dim_id}=
 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
-    return '';
+    &Apache::lonxml::startredirection();
+    return &internal_location($dim_id);
 }
 
 sub get_instance {
-    &Apache::response::pushrandomnumber();
-    my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
-    my $num=@order;
-    my $version=&get_version();
-    my $which=($version-1)%$num;
-    return $order[$which];
+    my ($dim)=@_;
+    my $rand_alg=&Apache::lonnet::get_rand_alg();
+    if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
+	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
+	$rand_alg eq '64bit4' ) {
+	&Apache::response::pushrandomnumber();
+	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
+	my $num=@order;
+	my $version=&get_version();
+	my $which=($version-1)%$num;
+	return $order[$which];
+    } else {
+	my ($version,$previous) = &get_version();
+	my $instance = 
+	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
+	if (defined($instance)) { return $instance; }
+
+	&Apache::response::pushrandomnumber();
+	my @instances = @{$dimension{'instances'}};
+	# remove disabled instances
+	for (my $i=0; $i < $#instances; $i++) {
+	    if ($dimension{$instances[$i].'.disabled'}) {
+		splice(@instances,$i,1);
+		$i--;
+	    }
+	}
+	@instances = &Math::Random::random_permutation(@instances);
+	$instance  = $instances[($version-1)%scalar(@instances)];
+	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
+	    $instance;
+	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
+	&Apache::response::poprandomnumber();
+	return $instance;
+    }
 }
 
 {
     my $last_link;
     sub end_Dimension {
 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-	my $result;
+	my $result=&Apache::lonxml::endredirection();
 	my $dim=&get_id($parstack,$safeeval);
-	my $instance=&get_instance();
+	my $instance=&get_instance($dim);
 	my $version=&get_version();
 	if ($target eq 'web') {
-	    $result=$dimension{'intro'}.$dimension{$instance.'.text'};
-	    if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||
-		$Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
-		foreach my $id (@{$dimension{$instance.'.criterias'}}) {
-		    my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
-		    my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};
-		    $result.='<table border="1"><tr><td>';
-		    if ($status eq 'fail') {
-			$result.='<font color="red">'.&mt('Did not pass').'</font>';
-		    } elsif ($status eq 'pass') {
-			$result.='<font color="green">'.&mt('Passed').'</font>';
-		    } else {
-			&Apache::lonxml::error("Student viewing a graded bridgetask was show a status of $status");
+	    @Apache::scripttag::parser_env = @_;
+	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
+	    my @instances = $instance;
+	    if (&Apache::response::showallfoils()) {
+		@instances = @{$dimension{'instances'}};
+	    }
+	    foreach my $instance (@instances) {
+		@Apache::scripttag::parser_env = @_;
+		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
+		if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||
+		    $Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
+
+		    my $dim_status=$Apache::lonhomework::history{"resource.$version.$dim.status"};
+		    my $mandatory='Mandatory';
+		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
+			$mandatory='Optional';
+		    }
+		    my $dim_info="<div class='$dim_status'>\n";
+		    if ($dim_status eq 'pass') {
+			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
 		    }
-		    $result.='</td></tr><tr><td>';
-		    if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {
-			$result.=&mt('Comment from grader: ').$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</td></tr><tr><td>';
+		    if ($dim_status eq 'fail') {
+			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
+		    }
+		    my $man_count=0;
+		    my $man_passed=0;
+		    my $opt_count=0;
+		    my $opt_passed=0;
+		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
+			    eq 'N') {
+			    $opt_count++;
+			    if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"} eq 'pass') {
+				$opt_passed++;
+			    }
+			} else {
+			    $man_count++;
+			    if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"} eq 'pass') {
+				$man_passed++;
+			    }
+			}
+		    }
+		    if ($man_passed eq $man_count) { $man_passed='all'; }
+		    my $opt_req=$dimension{$instance.'.optionalrequired'};
+		    if ($opt_req !~ /\S/) { $opt_req='0'; }
+		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
+
+		    my $internal_location=&internal_location($dim);
+		    $result=~s/\Q$internal_location\E/$dim_info/;
+
+		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+			my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
+			my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};
+			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
+			if ($mandatory) {
+			    $mandatory='Mandatory';
+			} else {
+			    $mandatory='Optional';
+			}
+			if ($status eq 'fail') {
+			} elsif ($status eq 'pass') {
+			} else {
+			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
+			}
+			my $status_display=$status;
+			$status_display=~s/^([a-z])/uc($1)/e;
+			@Apache::scripttag::parser_env = @_;
+			$result.='<div class="'.$status.'"><h4>'.$mandatory.
+			    ' Criteria</h4><p>';
+			@Apache::scripttag::parser_env = @_;
+			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
+			$result.='</p><p class="grade">'.$status_display.'</p>';
+			if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {
+			    $result.='<p class="comment">'.$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</p>';
+			}
+			$result.='</div>';
 		    }
-		    $result.=$dimension{$instance.'.criteria.'.$id}.
-			'</td></tr></table>';
 		}
 	    }
 	} elsif ($target eq 'webgrade') {
+	    # in case of any side effects that we need
+	    @Apache::scripttag::parser_env = @_;
+	    &Apache::scripttag::xmlparse($dimension{'intro'});
+	    @Apache::scripttag::parser_env = @_;
+	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
 		my $link='criteria_'.$instance.'_'.$id;
 		my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
 		$result.='<tr><td width="100%" valign="top">'.
 		    '<a name="'.$link.'" />'.
 		    '<a name="next_'.$last_link.'" />'.
-		    '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">'.$dimension{$instance.'.criteria.'.$id}.'</textarea>'.
+		    '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';
+		@Apache::scripttag::parser_env = @_;
+		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
+		$result.='</textarea>'.
 		    #$dimension{$instance.'.criteria.'.$id}.
 		    '</td>'.
 		    '<td><nobr>Additional Comment for Student</nobr> <br />'.
 		    '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}).'</textarea>'.
 		    '</td>'.
 		    '<td>'.
-		    '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').'/>'.&mt('Ungraded').'</label></nobr><br />'.
+		    '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.
 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
@@ -1028,22 +1591,7 @@ sub get_instance {
 		    '<td>'.
 		    '<a href="#'.$last_link.'">Prev</a><br />'.
 		    '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
-		    '<input type="submit" name="next" value="'.
-		    &mt('Done').'" /> '.
-		    '<input type="submit" name="stop" value="'.
-		    &mt('Stop').'" /> '.
 		    '</td></tr>';
-		$result.='<tr><td colspan="4">';
-		my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
-		my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';
-		foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
-		    my $file=$file_url.$partial_file;
-		    &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
-		    $result.='<a href="'.$file.'" target="lonGRDs"><img src="'.
-			&Apache::loncommon::icon($file).'" border=0"> '.$file.
-			'</a>';
-		}
-		$result.='</td></tr>';
 		$last_link=$link;
 	    }
 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
@@ -1064,7 +1612,7 @@ sub get_instance {
 		} elsif ($status eq 'ungraded') {
 		    $ungraded++;
 		} else {
-		    &Apache::lonxml::error("got weird status --$status--");
+		    $ungraded++;
 		}
 	    }
 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
@@ -1084,6 +1632,9 @@ sub get_instance {
 		$Apache::lonhomework::results{"resource.$version.$dim.status"}=
 		    'pass';
 	    }
+	} else {
+	    # any other targets no output
+	    undef($result);
 	}
 	return $result;
     }
@@ -1093,22 +1644,18 @@ sub start_IntroParagraph {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;
     if ($target eq 'web' || $target eq 'webgrade') {
-	if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {
-	    &Apache::lonxml::startredirection();
+	if ($tagstack->[-2] eq 'Dimension') {
+	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser);
+	
+	} elsif ($target eq 'webgrade') {
+	    &Apache::lonxml::get_all_text('/introparagraph',$parser);
 	}
+	
     }
     return $result;
 }
 
 sub end_IntroParagraph {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-    my $result;
-    if ($target eq 'web' || $target eq 'webgrade') {
-	if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {
-	    $dimension{'intro'}=&Apache::lonxml::endredirection();
-	}
-    }
-    return $result;
 }
 
 sub start_Instance {
@@ -1119,44 +1666,35 @@ sub start_Instance {
     push(@Apache::bridgetask::instancelist,$id);
     $dimension{$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';
+    }
     return '';
 }
 
 sub end_Instance {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-    return '';
 }
 
 sub start_InstanceText {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+    my $instance_id=$Apache::bridgetask::instance[-1];
+    my $text=&Apache::lonxml::get_all_text('/instancetext',$parser);
     if ($target eq 'web' || $target eq 'webgrade') {
-	&Apache::lonxml::startredirection();
+	$dimension{$instance_id.'.text'}=$text;
     }
     return '';
 }
 
 sub end_InstanceText {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-    my $instance_id=$Apache::bridgetask::instance[-1];
-    if ($target eq 'web' || $target eq 'webgrade') {
-	$dimension{$instance_id.'.text'}=&Apache::lonxml::endredirection();
-    }
     return '';
 }
 
 sub start_Criteria {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-    if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
-	&Apache::lonxml::startredirection();
-    }
-    return '';
-}
-
-sub end_Criteria {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $instance_id=$Apache::bridgetask::instance[-1];
+    my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser);
     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
-	my $criteria=&Apache::lonxml::endredirection();
 	my $id=&get_id($parstack,$safeeval);
 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
@@ -1166,18 +1704,21 @@ sub end_Criteria {
     return '';
 }
 
+sub end_Criteria {
+}
+
 sub proctor_validation_screen {
     my ($slot) = @_;
     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
     my $name=&Apache::loncommon::plainname($user,$domain);
     
-    if ($env{'form.proctordomain'}) { $domain=$env{'form.proctordomain'}; }
     my $msg;
     if ($env{'form.proctorpassword'}) {
 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
 	    .'</font></p>';
     }
+    if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
     my $result= (<<ENDCHECKOUT);
 <h2>Proctor Validation</h2>
     <p>Your room's proctor needs to validate your access to this resource.</p>
@@ -1188,7 +1729,7 @@ sub proctor_validation_screen {
 <table>
   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
-  <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$domain" /></td></tr>
+  <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
 </table>
 <input type="submit" name="checkoutbutton" value="Validate"  /><br />
 <table border="1">