loncom/homework/bridgetask.pm - diff

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Diff for /loncom/homework/bridgetask.pm between versions 1.128.2.6 and 1.195

-version 1.128.2.6, 2006/03/31 20:31:38
+version 1.195, 2006/11/07 20:07:10
  Line 38  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','Instance','InstanceText','Criteria','ClosingParagraph'));
+     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','GraderNote','ClosingParagraph'));
  }
+ my %dimension;
+ my $top = 'top';
  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=();
      # 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
      $Apache::bridgetask::queue_key='';
+     undef(%dimension);
  }
  sub proctor_check_auth {
- Line 66  sub proctor_check_auth {
+ Line 69  sub proctor_check_auth {
      my @allowed=split(",",$slot->{'proctor'});
      foreach my $possible (@allowed) {
- 	my ($puser,$pdom)=(split('@',$possible));
+ 	my ($puser,$pdom)=(split(':',$possible));
  	if ($puser eq $user && $pdom eq $domain) {
  	    my $authenticated=0;
  	    if ( $slot->{'secret'} =~ /\S/ &&
- Line 79  sub proctor_check_auth {
+ Line 82  sub proctor_check_auth {
  		    $authenticated=1;
  		}
  	    }
- 	    if ($authenticated && $type eq 'Task') {
+ 	    if ($authenticated) {
- 		# increment version
+ 		&check_in($type,$user,$domain,$slot_name);
- 		my $version=
- 		    $Apache::lonhomework::history{'resource.0.version'};
- 		$version++;
- 		#clean out all current results
- 		foreach my $key (keys(%Apache::lonhomework::history)) {
- 		    if ($key=~/^resource\.0\./) {
- 			$Apache::lonhomework::results{$key}='';
- 		    }
- 		}
- 		#setup new version and who did it
- 		$Apache::lonhomework::results{'resource.0.version'}=$version;
- 		$Apache::lonhomework::results{"resource.$version.0.checkedin"}=
- 		    $user.'@'.$domain;
- 		$Apache::lonhomework::results{"resource.$version.0.checkedin.slot"}=
- 		    $slot_name;
  		return 1;
- 	    } elsif ($authenticated && $type eq 'problem') {
- 		&Apache::lonxml::debug("authed $slot_name");
- 		$Apache::lonhomework::results{"resource.0.checkedin"}=
- 		    $user.'@'.$domain;
- 		$Apache::lonhomework::results{"resource.0.checkedin.slot"}=
- 		    $slot_name;
  	    }
  	}
      }
      return 0;
  }
+ sub check_in {
+     my ($type,$user,$domain,$slot_name) = @_;
+     my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
+     if ( $useslots eq 'map_map') {
+ 	&check_in_sequence($user,$domain,$slot_name);
+     } else {
+ 	&create_new_version($type,$user,$domain,$slot_name);
+     }
+     return 1;
+ }
+ sub check_in_sequence {
+     my ($user,$domain,$slot_name) = @_;
+     my $navmap = Apache::lonnavmaps::navmap->new();
+     my ($symb) = &Apache::lonnet::whichuser();
+     my ($map)  = &Apache::lonnet::decode_symb($symb);
+     my @resources =
+ 	$navmap->retrieveResources($map, sub { $_[0]->is_problem() },0,0);
+     my %old_history = %Apache::lonhomework::history;
+     my %old_results = %Apache::lonhomework::results;
+     foreach my $res (@resources) {
+ 	&Apache::lonxml::debug("doing ".$res->src);
+ 	&Apache::structuretags::initialize_storage($res->symb);
+ 	my $type = ($res->is_task()) ? 'Task' : 'problem';
+ 	&create_new_version($type,$user,$domain,$slot_name);
+ 	&Apache::structuretags::finalize_storage($res->symb);
+     }
+     %Apache::lonhomework::history = %old_history;
+     %Apache::lonhomework::results = %old_results;
+ }
+ sub create_new_version {
+     my ($type,$user,$domain,$slot_name) = @_;
+     my $id = '0';
+     if ($type eq 'Task') {
+ 	# increment version
+ 	my $version=
+ 	    $Apache::lonhomework::history{'resource.0.version'};
+ 	$version++;
+ 	&Apache::lonxml::debug("Making version $version");
+ 	#clean out all current results
+ 	foreach my $key (keys(%Apache::lonhomework::history)) {
+ 	    if ($key=~/^resource\.0\./) {
+ 		$Apache::lonhomework::results{$key}='';
+ 	    }
+ 	}
+ 	#setup new version and who did it
+        	$Apache::lonhomework::results{'resource.0.version'}=$version;
+ 	$id = "$version.0";
+ 	if (!defined($user) || !defined($domain)) {
+ 	    $user = $env{'user.name'};
+ 	    $domain = $env{'user.domain'};
+ 	}
+     } elsif ($type eq 'problem') {
+ 	&Apache::lonxml::debug("authed $slot_name");
+     }
+     if (!defined($user) || !defined($domain)) {
+ 	$user = $env{'user.name'};
+ 	$domain = $env{'user.domain'};
+     }
+     $Apache::lonhomework::results{"resource.$id.checkedin"}=
+ 	$user.':'.$domain;
+     if (defined($slot_name)) {
+ 	$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
+ 	    $slot_name;
+     }
+ }
  sub get_version {
      my ($version,$previous);
      if ($env{'form.previousversion'} &&
- Line 120  sub get_version {
+ Line 174  sub get_version {
  	$version=$env{'form.previousversion'};
  	$previous=1;
      } else {
- 	$version=$Apache::lonhomework::history{'resource.0.version'};
+ 	if (defined($Apache::lonhomework::results{'resource.0.version'})) {
+ 	    $version=$Apache::lonhomework::results{'resource.0.version'};
+ 	} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
+ 	    $version=$Apache::lonhomework::history{'resource.0.version'};
+ 	}
  	$previous=0;
      }
      if (wantarray) {
- Line 167  sub add_previous_version_button {
+ Line 225  sub add_previous_version_button {
  }
  sub add_grading_button {
-     my (undef,$cid)=&Apache::lonxml::whichuser();
+     my (undef,$cid)=&Apache::lonnet::whichuser();
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
-     my %sections;
+     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
-     my $numsections=&Apache::loncommon::get_sections($cdom,$cnum,\%sections);
      my $size=5;
      if (scalar(keys(%sections)) < 3) {
  	$size=scalar(keys(%sections))+2;
- Line 214  sub add_grading_button {
+ Line 272  sub add_grading_button {
  						   'gradingdomain');
  	$result.=&Apache::loncommon::studentbrowser_javascript();
  	$result.= '</p>';
-   }
+     }
      return $result;
  }
- Line 223  sub add_request_another_attempt_button {
+ Line 281  sub add_request_another_attempt_button {
      if (!$text) { $text="Request another attempt"; }
      my $result;
      my $symb=&Apache::lonnet::symbread();
+     # not a slot access based resource
+     my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
+     if ($useslots =~ /^\s*no\s*$/i) {
+ 	return '';
+     }
      my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
      my $action='get_reservation';
      if ($slot_name) {
- Line 236  STUFF
+ Line 300  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="'.$action.'" />'.
- Line 262  sub style {
+ Line 326  sub style {
      my ($target) = @_;
      if ($target eq 'web'
  	|| $target eq 'webgrade') {
- 	return (<<STYLE);
+ 	my $style = (<<STYLE);
  <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
  STYLE
+         if ($env{'browser.type'} eq 'explorer'
+ 	    && $env{'browser.os'} eq 'win' ) {
+ 	    if ($env{'browser.version'} < 7) {
+ 		$style .= (<<STYLE);
+ <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie.css" />
+ STYLE
+             } else {
+ 		$style .= (<<STYLE);
+ <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie7.css" />
+ STYLE
+ 	    }
+ 	}
+ 	return $style;
      }
      return;
  }
- Line 278  sub show_task {
+ Line 355  sub show_task {
  		       ( $status eq 'NOT_IN_A_SLOT') ||
  		       ( $status eq 'NEEDS_CHECKIN') ||
  		       ( $status eq 'WAITING_FOR_GRADE') ||
- 		       ( $status eq 'INVALID_ACCESS') )) {
+ 		       ( $status eq 'INVALID_ACCESS') ||
+ 		       ( &get_version() eq ''))) {
  	return 0;
      }
      if ($env{'form.donescreen'}) { return 0; }
      return 1;
  }
+ my @delay;
+ sub nest {
+     if (@delay) {
+ 	return $delay[-1];
+     } else {
+ 	return;
+     }
+ }
+ sub nested_parse {
+     my ($str,$env,$args) = @_;
+     my @old_env = @Apache::scripttag::parser_env;
+     @Apache::scripttag::parser_env = @$env;
+     if (exists($args->{'set_dim_id'})) {
+ 	&enable_dimension_parsing($args->{'set_dim_id'});
+     }
+     push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
+     my $result = &Apache::scripttag::xmlparse($$str);
+     pop(@delay);
+     if (exists($args->{'set_dim_id'})) {
+ 	&disable_dimension_parsing();
+     }
+     @Apache::scripttag::parser_env = @old_env;
+     if ($args->{'delayed_dim_results'}) {
+ 	my $dim = &get_dim_id();
+ 	&Apache::lonxml::debug(" tossing out $result ");
+ 	&Apache::lonxml::debug(" usining out $dim 's  ". $dimension{$dim}{'result'});
+ 	return $dimension{$dim}{'result'};
+     }
+     return $result;
+ }
  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 ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
      my $submissiontime;
      my $version=$Apache::lonhomework::history{'resource.0.version'};
      for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
- 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
+ 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
+ 	    && defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
  	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
+ 	    last;
  	}
      }
      my $result;
- Line 307  sub submission_time_stamp {
+ Line 419  sub submission_time_stamp {
  	my ($color,$when)=('#FF6666','after');
  	if ($diff > 0) { ($color,$when)=('#336600','before'); }
  	my $info;
+ 	$diff = abs($diff);
  	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.
+ 	    &mt('Student submitted [_1] [_2] the deadline. '.
-                  (Submission was at [_3], end of period was [_4].)',
+ 		'(Submission was at [_3], end of period was [_4].)',
- 		$info,$when,scalar(localtime($submissiontime)),
+ 		$info,$when,
- 		scalar(localtime($slot{'endtime'}))).
+ 		&Apache::lonlocal::locallocaltime($submissiontime),
+ 		&Apache::lonlocal::locallocaltime($slot{'endtime'})).
  		'</font></p>';
      }
      return $result;
- Line 325  sub submission_time_stamp {
+ Line 439  sub submission_time_stamp {
  sub file_list {
      my ($files,$uname,$udom) = @_;
      if (!defined($uname) || !defined($udom)) {
- 	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
+ 	(undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
      }
      my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
- Line 334  sub file_list {
+ Line 448  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="'.
+ 	$file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
- 	    &Apache::loncommon::icon($file).'" border="0"> '.$file.
+ 	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
- 	    '</a></nobr></li>'."\n";
+ 	    '</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',
+     my %lt=('done'   => 'Next Item',
- 				       'stop' => 'Quit Grading',
+ 	    'stop'   => 'Quit Grading',
- 				       );
+ 	    'fail'   => 'Fail Rest',
+ 	    'cancel' => 'Cancel',
+ 	    );
+     %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'}"
+            onclick="javascript:onFailRest()" />
    </div>
    $file_list
  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::lonnet::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)=@_;
      my ($status,$accessmsg,$slot);
+     &Apache::structuretags::init_problem_globals('Task');
      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') {
- Line 375  sub start_Task {
+ Line 562  sub start_Task {
      }
      $Apache::lonhomework::parsing_a_task=1;
-     #should get back a <html> or the neccesary stuff to start XML/MathML
-     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
- 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
-     $head_tag_start .= &style($target);
-     $body_tag_start .= '<div class="LC_task">'."\n";
+     my $name;
      if ($target eq 'web' || $target eq 'webgrade') {
- 	$head_tag_start.='<title>'.
+ 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
- 	    &Apache::structuretags::get_resource_name($parstack,$safeeval).
+     }
- 	    '</title>';
+     my ($result,$form_tag_start);
+     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
+ 	|| $target eq 'edit') {
+ 	($result,$form_tag_start) =
+ 	    &Apache::structuretags::page_start($target,$token,$tagstack,
+ 					       $parstack,$parser,$safeeval,
+ 					       $name,&style($target));
+ 	$result .= '<div class="LC_task">'."\n";
      }
      if ($target eq 'web' && $env{'request.state'} ne 'construct') {
- 	if ($Apache::lonhomework::modifygrades) {
+ 	if ($Apache::lonhomework::queuegrade
- 	    $body_tag_start.='<form name="gradesubmission" method="post" action="';
+ 	    || $Apache::lonhomework::modifygrades) {
+ 	    $result.='<form name="gradesubmission" method="post" action="';
  	    my $uri=$env{'request.uri'};
  	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
- 	    $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
+ 	    $result.=$uri.'">'.&add_grading_button()."</form>";
  	    my $symb=&Apache::lonnet::symbread();
  	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
- 		$body_tag_start.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
+ 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
  		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
  		    '<input type="hidden" name="command" value="showslots" />'.
  		    '<input type="submit" name="requestattempt" value="'.
- Line 405  sub start_Task {
+ Line 596  sub start_Task {
  		my $target_id =
  		    &Apache::lonstathelpers::make_target_id({symb => $symb,
  							     part => '0'});
- 		$body_tag_start.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
+ 		$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
  		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
  		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
  		    '<input type="submit" name="grading" value="'.
- Line 417  sub start_Task {
+ Line 608  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' ||
+     if ($target eq 'web'
- 	$target eq 'tex') {
+ 	|| ($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');
+ 	if ($status eq 'CAN_ANSWER' && $version eq '') {
+ 	    # CAN_ANSWER mode, and no current version, unproctored access
+ 	    # thus self-checkedin
+ 	    &check_in('Task',undef,undef,$slot_name);
+ 	    &add_to_queue('gradingqueue',{'type' => 'Task',
+ 					  'time' => time,
+ 					  'slot' => $slot_name});
+ 	    ($version,$previous)=&get_version();
+ 	}
  	push(@Apache::inputtags::status,$status);
  	$Apache::inputtags::slot_name=$slot_name;
  	my $expression='$external::datestatus="'.$status.'";';
  	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
  	&Apache::run::run($expression,$safeeval);
  	&Apache::lonxml::debug("Got $status");
- 	$body_tag_start.=&add_previous_version_button($status);
+ 	$result.=&add_previous_version_button($status);
  	if (!&show_task($status,$previous)) {
  	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
  	    if ( $target eq "web" ) {
- 		$result.= $head_tag_start.'</head>'.$body_tag_start;
  		if ($env{'request.state'} eq 'construct') {
  		    $result.=$form_tag_start;
  		}
- Line 448  sub start_Task {
+ Line 650  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();
+ 		    $result .= &done_screen($version);
- 		    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";
- 			$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
  		} elsif ($status ne 'NOT_YET_VIEWED') {
  		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
  		}
- Line 486  DONESCREEN
+ Line 669  DONESCREEN
  		if ($status eq 'NEEDS_CHECKIN') {
  		    if(&proctor_check_auth($slot_name,$slot,'Task')
  		       && defined($Apache::inputtags::slot_name)) {
- 			my $result=&add_to_queue('gradingqueue',
+ 			my $result=
- 						 [$Apache::inputtags::slot_name]);
+ 			    &add_to_queue('gradingqueue',
+ 					  {'type' => 'Task',
+ 					   'time' => time,
+ 					   'slot' =>
+ 					       $Apache::inputtags::slot_name});
  			&Apache::lonxml::debug("add_to_queue said $result");
  		    }
  		}
  	    }
  	} elsif ($target eq 'web') {
- 	    $result.="$head_tag_start</head>
-               $body_tag_start \n";
  	    $result.=&preserve_grade_info();
  	    $result.=&internal_location();
  	    $result.=$form_tag_start.
  		'<input type="hidden" name="submitted" value="yes" />';
  	    &Apache::lonxml::startredirection();
- Line 506  DONESCREEN
+ Line 691  DONESCREEN
  	      $target eq 'webgrade') {
  	my $webgrade='yes';
  	if ($target eq 'webgrade') {
- 	    $result.=$head_tag_start.
+ 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
- 		'</head>'.$body_tag_start.
- 		"\n".'<div class="LC_GRADING_task">'."\n".
  		'<script type="text/javascript"
                           src="/res/adm/includes/task_grading.js"></script>';
  	    #$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...
-         #       Hrrm, vaildation pass should perhaps say 'not_locked'
-         #       perhaps do a search if there is a key that is mine and if
-         #       there isn't reshow the queue....
  	my ($todo,$status_code,$msg)=&get_key_todo($target);
  	if ($todo) {
- Line 528  DONESCREEN
+ Line 707  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);
- Line 543  DONESCREEN
+ Line 722  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;
- Line 563  DONESCREEN
+ Line 753  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'})) {
- Line 590  DONESCREEN
+ Line 782  DONESCREEN
  	}
  	if ($target eq 'webgrade') {
  	    $result.="\n".'<div id="LC_GRADING_criterialist">';
+ 	    &Apache::lonxml::startredirection();
  	}
      } elsif ($target eq 'edit') {
- 	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
+ 	$result.=$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 />";
- Line 605  DONESCREEN
+ Line 798  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;
- Line 628  sub get_key_todo {
+ Line 835  sub get_key_todo {
      }
-     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
+     my $me=$env{'user.name'}.':'.$env{'user.domain'};
      #need to try both queues..
      if (defined($env{'form.regradeaspecificsubmission'}) &&
  	defined($env{'form.gradinguser'})               &&
  	defined($env{'form.gradingdomain'})               ) {
- 	my ($symb,$cid)=&Apache::lonxml::whichuser();
+ 	my ($symb,$cid)=&Apache::lonnet::whichuser();
  	my $cnum  = $env{'course.'.$cid.'.num'};
  	my $cdom  = $env{'course.'.$cid.'.domain'};
  	my $uname = $env{'form.gradinguser'};
- Line 653  sub get_key_todo {
+ Line 860  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');
- Line 674  sub get_key_todo {
+ Line 897  sub get_key_todo {
  	#otherwise (defined($who) && $who ne $me) some else has it...
  	return (undef,'not_allowed',
  		&mt('Another user ([_1]) currently has the record for [_2] locked.',
- 		    $who,$env{'form.gradinguser'}.'@'.$env{'form.gradingdomain'}));
+ 		    $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
      }
- Line 684  sub get_key_todo {
+ Line 907  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');
  		}
- Line 736  sub get_key_todo {
+ Line 961  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));
- Line 797  DONEBUTTON
+ Line 1023  DONEBUTTON
  		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
  		    my $title=&Apache::lonnet::gettitle();
+ 		    my $start_time;
  		    my $slot_name=
  			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
- 		    my %slot=&Apache::lonnet::get_slot($slot_name);
+ 		    if ($slot_name) {
- 		    my $start_time=
+ 			my %slot=&Apache::lonnet::get_slot($slot_name);
- 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
+ 			$start_time=$slot{'starttime'}
+ 		    } else {
+ 			$start_time=
+ 			    &Apache::lonnet::EXT('resource.0.opendate');
+ 		    }
+ 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
  		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
- Line 816  DONEBUTTON
+ Line 1050  DONEBUTTON
  			    $status.=&add_request_another_attempt_button();
  			}
  		    }
+ 		    $status.='</div>';
  		    my $man_count=0;
+ 		    my $man_passed=0;
  		    my $opt_count=0;
  		    my $opt_passed=0;
- 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
+ 		    my $dim = $top;
- 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
+ 		    foreach my $id (@{$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') {
+ 			    if ($status eq 'pass') {
  				$opt_passed++;
  			    }
  			} else {
  			    $man_count++;
+ 			    if ($status eq 'pass') { $man_passed++; }
  			}
  		    }
+ 		    if ($man_passed eq $man_count) { $man_passed='all'; }
  		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
- 							 $parstack,$safeeval);
+ 							   $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, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
+ 		    $status.="\n<div class='LC_$bt_status LC_criteria LC_task_overall_status'>".&mt('You needed to pass all of the [_1] mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
+ 		    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
+ 			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+ 			if ($type eq 'dimension') {
+ 			    $result.=$dimension{$id}{'result'};
+ 			    next;
+ 			}
+ 			my $criteria =
+ 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
+ 					  [@_]);
+ 			$status .= &layout_web_Criteria($dim,$id,$criteria);
+ 		    }
  		    my $internal_location=&internal_location();
  		    $result=~s/\Q$internal_location\E/$status/;
  		}
- 	    }
+ 		$result.="\n</div>\n".
- 	    if ($target eq 'web') {
+ 		    &Apache::loncommon::end_page({'discussion' => 1});
- 		$result.="\n</div>\n".&Apache::lonxml::xmlend().'</html>';
  	    }
  	}
+ 	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
+ 	my %queue_data = ('type' => 'Task',
+ 			  'time' => time,);
+ 	if (defined($Apache::inputtags::slot_name)) {
+ 	    $queue_data{'slot'} = $Apache::inputtags::slot_name;
+ 	} elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
+ 	    $queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
+ 	}
  	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
  	    my $award='SUBMITTED';
  	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
- Line 864  DONEBUTTON
+ Line 1129  DONEBUTTON
  	    }
  	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
  	    &Apache::structuretags::finalize_storage();
- 	    if ($award eq 'SUBMITTED'
+ 	    if ($award eq 'SUBMITTED') {
- 		&& defined($Apache::inputtags::slot_name)) {
+ 		&add_to_queue('gradingqueue',\%queue_data);
- 		&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') {
+ 	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);
- Line 880  DONEBUTTON
+ Line 1147  DONEBUTTON
  	    my $ungraded=0;
  	    my $review=0;
  	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
- 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
+ 	    my $dim = $top;
+ 	    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
+ 		my $link=&link($id);
+ 		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+ 		if ($type eq 'criteria') {
+ 		    # dimensional 'criteria' don't get assigned grades
+ 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"}=$env{'form.HWVAL_'.$link};
+ 		    $Apache::lonhomework::results{"resource.$version.0.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
+ 		}
  		my $status=
- 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
+ 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"};
- 		my $mandatory=
+ 		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
- 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
  		if ($status eq 'pass') {
  		    if (!$mandatory) { $optional_passed++; }
  		} elsif ($status eq 'fail') {
  		    if ($mandatory) { $mandatory_failed++; }
- 		} elsif ($status eq 'ungraded') {
- 		    $ungraded++;
  		} elsif ($status eq 'review') {
  		    $review++;
+ 		} elsif ($status eq 'ungraded') {
+ 		    $ungraded++;
  		} else {
  		    $ungraded++;
  		}
- Line 900  DONEBUTTON
+ Line 1177  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(" task 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'};
+ 		$env{'user.name'}.':'.$env{'user.domain'};
  	    if ($review) {
  		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
- 		if ($env{'form.queue'} eq 'reviewqueue') {
- 		    &check_queue_unlock($env{'form.queue'});
- 		    &Apache::lonxml::debug(" still needs review not changing status.");
- 		} else {
- 		    &move_between_queues($env{'form.queue'},'reviewqueue');
- 		}
  	    } elsif ($ungraded) {
  		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
- 		if ($env{'form.queue'} eq 'reviewqueue' ||
- 		    $env{'form.queue'} eq 'none' ) {
- 		    &Apache::lonxml::debug("moving back.");
- 		    &move_between_queues($env{'form.queue'},'gradingqueue');
- 		} else {
- 		    &check_queue_unlock($env{'form.queue'});
- 		}
  	    } elsif ($mandatory_failed) {
  		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
  		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
  		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
  		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
- 		&remove_from_queue($env{'form.queue'});
+ 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
- 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
  		if ($env{'form.regrade'} ne 'yes') {
  		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
- Line 943  DONEBUTTON
+ Line 1205  DONEBUTTON
  		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
  		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
  		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
- 		&remove_from_queue($env{'form.queue'});
+ 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
- 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
  		if ($env{'form.regrade'} ne 'yes') {
  		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
  			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
- Line 968  DONEBUTTON
+ Line 1228  DONEBUTTON
  	    }
  	    &minimize_storage();
  	    &Apache::structuretags::finalize_storage();
+ 	    # data stored, now handle queue
+ 	    if ($review) {
+ 		if ($env{'form.queue'} eq 'reviewqueue') {
+ 		    &check_queue_unlock($env{'form.queue'});
+ 		    &Apache::lonxml::debug(" still needs review not changing status.");
+ 		} else {
+ 		    if ($env{'form.queue'} ne 'none') {
+ 			&move_between_queues($env{'form.queue'},'reviewqueue');
+ 		    } else {
+ 			&add_to_queue('reviewqueue',\%queue_data);
+ 		    }
+ 		}
+ 	    } elsif ($ungraded) {
+ 		if ($env{'form.queue'} eq 'reviewqueue') {
+ 		    &Apache::lonxml::debug("moving back.");
+ 		    &move_between_queues($env{'form.queue'},
+ 					 'gradingqueue');
+ 		} elsif ($env{'form.queue'} eq 'none' ) {
+ 		    &add_to_queue('gradingqueue',\%queue_data);
+ 		} else {
+ 		    &check_queue_unlock($env{'form.queue'});
+ 		}
+ 	    } elsif ($mandatory_failed) {
+ 		&remove_from_queue($env{'form.queue'});
+ 	    } else {
+ 		&remove_from_queue($env{'form.queue'});
+ 	    }
+ 	}
+ 	if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
+ 	    # instance generation occured and hasn't yet been stored
+ 	    &Apache::structuretags::finalize_storage();
  	}
      } elsif ($target eq 'webgrade') {
- 	$result.="</div>";
+ 	$result.=&Apache::lonxml::endredirection();
+ 	my $dim = $top;
+ 	foreach my $id (@{$dimension{$dim}{'criterias'}} ) {
+ 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+ 	    if ($type eq 'dimension') {
+ 		# dimensional 'criteria' don't get assigned grades
+ 		next;
+ 	    } else {
+ 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
+ 					     [@_]);
+ 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
+ 		my $internal_location=&internal_location($id);
+ 		$result=~s/\Q$internal_location\E/$criteria/;
+ 	    }
+ 	}
+         $result.="</div>";
  	#$result.='<input type="submit" name="next" value="'.
  	#    &mt('Save &amp; Next').'" /> ';
  	#$result.='<input type="submit" name="end" value="'.
- Line 980  DONEBUTTON
+ Line 1287  DONEBUTTON
  	#$result.='<input type="submit" name="save" value="'.
  	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
  	$result.='</form>'."\n</div>\n</div>\n".
- 	    &Apache::loncommon::endbodytag().'</html>';
+ 	    &Apache::loncommon::end_page();
      } elsif ($target eq 'meta') {
  	$result.=&Apache::response::meta_package_write('Task');
          $result.=&Apache::response::meta_stores_write('solved','string',
- Line 991  DONEBUTTON
+ Line 1298  DONEBUTTON
  						      'Partial Credit Factor');
  	$result.=&Apache::response::meta_stores_write('status','string',
  						      'Bridge Task Status');
+     } elsif ($target eq 'edit') {
+ 	&Apache::structuretags::reset_problem_globals('Task');
+ 	undef($Apache::lonhomework::parsing_a_task);
+ 	return ('','no');
      }
+     &Apache::structuretags::reset_problem_globals('Task');
      undef($Apache::lonhomework::parsing_a_task);
      return $result;
  }
- Line 1005  sub move_between_queues {
+ Line 1317  sub move_between_queues {
      } else {
  	$cur_data = ['none'];
      }
-     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
+     my $result=&add_to_queue($dest_queue,$cur_data);
      if ($result ne 'ok') {
  	return $result;
      }
- Line 1016  sub move_between_queues {
+ Line 1328  sub move_between_queues {
  sub check_queue_unlock {
      my ($queue,$key,$allow_not_me)=@_;
      if ($queue eq 'none') { return 'ok'; }
-     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
      if (!defined($key)) {
- 	$key="$symb\0queue\0$uname\@$udom";
+ 	$key="$symb\0queue\0$uname:$udom";
      }
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
-     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
+     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");
- Line 1038  sub in_queue {
+ Line 1351  sub in_queue {
      if ($queue eq 'none') { return 0; }
      if (!defined($symb) || !defined($cdom) || !defined($cnum)
  	|| !defined($udom) || !defined($uname)) {
- 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
+ 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
  	$cnum=$env{'course.'.$cid.'.num'};
  	$cdom=$env{'course.'.$cid.'.domain'};
      }
- Line 1057  sub remove_from_queue {
+ Line 1370  sub remove_from_queue {
      if ($queue eq 'none') { return 'ok'; }
      if (!defined($symb) || !defined($cdom) || !defined($cnum)
  	|| !defined($udom) || !defined($uname)) {
- 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
+ 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
  	$cnum=$env{'course.'.$cid.'.num'};
  	$cdom=$env{'course.'.$cid.'.domain'};
      }
- Line 1081  sub setup_env_for_other_user {
+ Line 1394  sub setup_env_for_other_user {
  }
  sub get_queue_data {
-     my ($queue)=@_;
+     my ($queue,$udom,$uname)=@_;
-     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonnet::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";
+     my $todo="$symb\0queue\0$uname:$udom";
      my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
      if ($key eq $todo && ref($value)) {
  	return $value;
- Line 1104  sub check_queue_for_key {
+ Line 1421  sub check_queue_for_key {
  	if (defined($results{"$todo\0locked"})) {
  	    return 'locked';
  	}
- 	my $slot;
+ 	if (my $slot=&slotted_access($results{$todo})) {
- 	if (ref($results{$todo}) eq 'ARRAY')  {
- 	    $slot = $results{$todo}[0];
- 	} elsif (ref($results{$todo}) eq 'HASH')  {
- 	    $slot = $results{$todo}{'slot'};
- 	}
- 	if (defined($slot)) {
  	    my %slot_data=&Apache::lonnet::get_slot($slot);
  	    if ($slot_data{'endtime'} > time) {
  		return 'in_progress';
  	    }
+ 	} else {
+ 	    my ($symb) = &decode_queue_key($todo);
+ 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
+ 	    if ($due_date > time) {
+ 		return 'in_progress';
+ 	    }
  	}
  	return 'enqueued';
      }
- Line 1124  sub check_queue_for_key {
+ Line 1441  sub check_queue_for_key {
  sub add_to_queue {
      my ($queue,$user_data)=@_;
      if ($queue eq 'none') { return 'ok'; }
-     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
      if (!$cid || $env{'request.state'} eq 'construct') {
  	return 'no_queue';
      }
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
      my %data;
-     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
+     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
      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;
-     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
      my @chosen_sections=
  	&Apache::loncommon::get_env_multiple('form.chosensections');
-     &Apache::grades::init_perm();
-     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
+     my $classlist = &get_limited_classlist(\@chosen_sections);
-     &Apache::grades::reset_perm();
      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 $slot=$queue{$key}->[0];
+ 	    my ($end_time,$slot_text);
- 	    my %slot_data=&Apache::lonnet::get_slot($slot);
+ 	    if (my $slot=&slotted_access($queue{$key})) {
+ 		my %slot_data=&Apache::lonnet::get_slot($slot);
+ 		$end_time = $slot_data{'endtime'};
+ 		$slot_text = &mt('Slot: [_1]',$slot);
+ 	    } else {
+ 		$end_time = &Apache::lonhomework::due_date('0',$symb);
+ 		$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'};
+ 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
  		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
  		    if ($me eq $queue{"$key\0locked"}) {
  			($action,$description)=('resume',&mt('Resume'));
- Line 1193  sub show_queue {
+ Line 1571  sub show_queue {
  		    $seclist.='<input type="hidden" name="chosensections"
                                 value="'.$sec.'" />';
  		}
- 		if (time > $slot_data{'endtime'}) {
+ 		if ($can_view && ($end_time ne '' && time > $end_time)) {
  		    $result.=(<<FORM);
  <td>$status</td>
  <td>
- Line 1208  sub show_queue {
+ Line 1586  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>'
+ 		    $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>";
+ 		" <tt>($uname:$udom)</tt> </td>";
- 	    $result.='<td>Slot: '.$slot.' End time: '.
+ 	    $result.='<td>'.$slot_text.' End time: '.
- 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
+ 		&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;
  }
  sub get_queue_counts {
      my ($queue)=@_;
      my $result;
-     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
+     my $classlist=&get_limited_classlist();
      my $regexp="^$symb\0";
      my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
      my ($tmp)=%queue;
- Line 1239  sub get_queue_counts {
+ Line 1621  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++;
- 	    my $slot=$queue{$key}->[0];
+ 	    if (my $slot=&slotted_access($queue{$key})) {
- 	    if (!exists($slot_cache{$slot})) {
+ 		if (!exists($slot_cache{$slot})) {
- 		my %slot_data=&Apache::lonnet::get_slot($slot);
+ 		    my %slot_data=&Apache::lonnet::get_slot($slot);
- 		$slot_cache{$slot} = \%slot_data;
+ 		    $slot_cache{$slot} = \%slot_data;
- 	    }
+ 		}
- 	    if (time > $slot_cache{$slot}{'endtime'}) {
+ 		if (time > $slot_cache{$slot}{'endtime'}) {
- 		$ready_to_grade++;
+ 		    $ready_to_grade++;
+ 		}
+ 	    } else {
+ 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
+ 		if ($due_date ne '' && time > $due_date) {
+ 		    $ready_to_grade++;
+ 		}
  	    }
  	}
      }
- Line 1261  sub get_queue_counts {
+ Line 1650  sub get_queue_counts {
  sub encode_queue_key {
      my ($symb,$udom,$uname)=@_;
-     return "$symb\0queue\0$uname\@$udom";
+     return "$symb\0queue\0$uname:$udom";
  }
  sub decode_queue_key {
      my ($key)=@_;
      my ($symb,undef,$user) = split("\0",$key);
-     my ($uname,$udom) = split('@',$user);
+     my ($uname,$udom) = split(':',$user);
      return ($symb,$uname,$udom);
  }
  sub queue_key_locked {
      my ($queue,$key,$cdom,$cnum)=@_;
      if (!defined($cdom) || !defined($cnum)) {
- 	my (undef,$cid)=&Apache::lonxml::whichuser();
+ 	my (undef,$cid)=&Apache::lonnet::whichuser();
  	$cnum=$env{'course.'.$cid.'.num'};
  	$cdom=$env{'course.'.$cid.'.domain'};
      }
- Line 1286  sub queue_key_locked {
+ Line 1675  sub queue_key_locked {
      return undef;
  }
+ sub slotted_access {
+     my ($queue_entry) = @_;
+     if (ref($queue_entry) eq 'ARRAY') {
+ 	if (defined($queue_entry->[0])) {
+ 	    return $queue_entry->[0];
+ 	}
+ 	return undef;
+     } elsif (ref($queue_entry) eq 'HASH') {
+ 	if (defined($queue_entry->{'slot'})) {
+ 	    return $queue_entry->{'slot'};
+ 	}
+ 	return undef;
+     }
+     return undef;
+ }
  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;
  	    }
  	}
- 	my $slot=$queuedata->{$key}[0];
+ 	my $end_time;
- 	my %slot_data=&Apache::lonnet::get_slot($slot);
+ 	if (my $slot=&slotted_access($queuedata->{$key})) {
- 	if ($slot_data{'endtime'} > time) {
+ 	    &Apache::lonxml::debug("looking at slot $slot");
- 	    &Apache::lonxml::debug("not time");
+ 	    my %slot_data=&Apache::lonnet::get_slot($slot);
- 	    next;
+ 	    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) {
+ 		$end_time = $due_date;
+ 	    } else {
+ 		&Apache::lonxml::debug("not time $due_date");
+ 		next;
+ 	    }
  	}
  	if (exists($queuedata->{"$key\0locked"})) {
  	    &Apache::lonxml::debug("someone already has um.");
  	    next;
  	}
- 	push(@possible,[$key,$slot_data{'endtime'}]);
+ 	push(@possible,[$key,$end_time]);
      }
      if (@possible) {
          # sort entries in order by slot end time
  	@possible = sort { $a->[1] <=> $b->[1] } @possible;
- 	# pick one of the first ten entries
+ 	# pick one of the entries in the top 10% in small queues and one
- 	my $max=($#possible < 10) ? $#possible : 10;
+ 	# of the first ten entries in large queues
- 	return $possible[int(rand($max))][0];
+ 	#my $ten_percent = int($#possible * 0.1);
+ 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
+ 	#if ($ten_percent > 10) { $ten_percent = 10; }
+ 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
+ 	#return $possible[int(rand($max))][0];
+ 	return $possible[0][0];
      }
      return undef;
  }
  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'};
+     my $me=$env{'user.name'}.':'.$env{'user.domain'};
      if ($todo) {
  	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
  	if ($who eq $me) { return $todo; }
- Line 1345  sub find_mid_grade {
+ Line 1774  sub find_mid_grade {
  sub lock_key {
      my ($queue,$todo)=@_;
-     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
+     my $me=$env{'user.name'}.':'.$env{'user.domain'};
-     my (undef,$cid)=&Apache::lonxml::whichuser();
+     my (undef,$cid)=&Apache::lonnet::whichuser();
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
      my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
- Line 1361  sub lock_key {
+ Line 1790  sub lock_key {
  sub get_queue_symb_status {
      my ($queue,$symb,$cdom,$cnum) = @_;
      if (!defined($cdom) || !defined($cnum)) {
- 	my (undef,$cid)=&Apache::lonxml::whichuser();
+ 	my (undef,$cid)=&Apache::lonnet::whichuser();
  	$cnum=$env{'course.'.$cid.'.num'};
  	$cdom=$env{'course.'.$cid.'.domain'};
      }
+     my $classlist=&get_limited_classlist();
      my $regexp="^$symb\0";
      my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
      my ($tmp)=%queue;
- Line 1374  sub get_queue_symb_status {
+ Line 1805  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;
- Line 1382  sub get_queue_symb_status {
+ Line 1814  sub get_queue_symb_status {
  sub get_from_queue {
      my ($queue)=@_;
      my $result;
-     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
      my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
      &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
- Line 1399  sub get_from_queue {
+ Line 1834  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
- Line 1454  sub get_from_queue {
+ Line 1890  sub get_from_queue {
  }
  sub select_user {
-     my ($symb,$cid)=&Apache::lonxml::whichuser();
+     my ($symb,$cid)=&Apache::lonnet::whichuser();
      my @chosen_sections=
  	&Apache::loncommon::get_env_multiple('form.chosensections');
-     &Apache::grades::init_perm();
-     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
+     my $classlist = &get_limited_classlist(\@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">';
+     $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'};
- Line 1490  sub select_user {
+ Line 1925  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;
- Line 1500  sub select_user {
+ Line 1936  sub select_user {
  		$seclist.='<input type="hidden" name="chosensections"
                                 value="'.$sec.'" />';
  	    }
- 	    my $studentdis = $student;
+ 	    $result.=&Apache::loncommon::start_data_table_row();
- 	    $studentdis =~ tr/:/@/;
  	    $result.=<<RESULT;
- <tr>
    <td>
      <form style="display: inline" method="post">
        <input type="hidden" name="gradingkey" value="$todo" />
- Line 1513  sub select_user {
+ Line 1947  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
          }
- Line 1552  RESULT
+ Line 1986  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;
  }
- Line 1599  sub end_ClosingParagraph {
+ Line 2033  sub end_ClosingParagraph {
      return $result;
  }
+ sub get_dim_id {
+     if (@Apache::bridgetask::dimension) {
+ 	return $Apache::bridgetask::dimension[-1];
+     } else {
+ 	return $top;
+     }
+ }
  sub get_id {
      my ($parstack,$safeeval)=@_;
      my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
- Line 1606  sub get_id {
+ Line 2048  sub get_id {
      return $id;
  }
- my %dimension;
+ sub start_Setup {
- sub start_Dimension {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-     undef(%dimension);
+     #undef(%dimension);
-     my $dim_id=&get_id($parstack,$safeeval);
+     my $dim = &get_id($parstack,$safeeval);
-     $Apache::bridgetask::dimension=$dim_id;
+     push(@Apache::bridgetask::dimension,$dim);
-     push(@Apache::bridgetask::dimensionlist,$dim_id);
-     undef(@Apache::bridgetask::instance);
-     $Apache::bridgetask::dimensionmandatory{$dim_id}=
- 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
      &Apache::lonxml::startredirection();
-     return &internal_location($dim_id);
+     return &internal_location($dim);
+ }
+ {
+     my @allowed;
+     sub enable_dimension_parsing {
+ 	my ($id) = @_;
+ 	push(@allowed,$id);
+     }
+     sub disable_dimension_parsing {
+ 	pop(@allowed);
+     }
+     sub skip_dimension_parsing {
+ 	my ($check) = @_;
+ 	if (!@allowed) { return 0;}
+ 	# if unspecified allow any id
+ 	if ($allowed[-1] eq undef) { return 0;}
+ 	return ($check ne $allowed[-1]);
+     }
+ }
+ sub start_Question { return &start_Dimension(@_); }
+ sub start_Dimension {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     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'}},
+ 	     $dim);
+ 	if(&skip_dimension_parsing($dim)) {
+ 	    $dimension{$previous_dim}{'criteria.'.$dim} =
+ 		$token->[4]
+ 		.&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
+ 					      $style)
+ 		.'</'.$tagstack->[-1].'>';
+ 	}
+ 	$dimension{$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);
+ 	$dimension{$dim}{'nested'}=$previous_dim;
+ 	&Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
+     } else {
+ 	$dimension{$top}{'criteria.'.$dim.'.type'}='dimension';
+ 	$dimension{$top}{'criteria.'.$dim.'.mandatory'}=
+ 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ 	push(@{$dimension{$top}{'criterias'}},$dim);
+     }
+     push(@Apache::bridgetask::dimension,$dim);
+     &Apache::lonxml::startredirection();
+     &enable_dimension_parsing($dim);
+     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 {
- Line 1627  sub get_instance {
+ Line 2131  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)%$num;
- Line 1639  sub get_instance {
+ Line 2143  sub get_instance {
  	if (defined($instance)) { return $instance; }
  	&Apache::response::pushrandomnumber();
- 	my @instances = @{$dimension{'instances'}};
+ 	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
- 	# remove disabled instances
+ 	    my @instances = @{$dimension{$dim}{'instances'}};
- 	for (my $i=0; $i < $#instances; $i++) {
+ 	    # remove disabled instances
- 	    if ($dimension{$instances[$i].'.disabled'}) {
+ 	    for (my $i=0; $i < $#instances; $i++) {
- 		splice(@instances,$i,1);
+ 		if ($dimension{$dim}{$instances[$i].'.disabled'}) {
- 		$i--;
+ 		    splice(@instances,$i,1);
+ 		    $i--;
+ 		}
+ 	    }
+ 	    @instances = &Math::Random::random_permutation(@instances);
+ 	    $instance  = $instances[($version-1)%scalar(@instances)];
+ 	    if ($version =~ /^\d$/) {
+ 		$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} =
+ 		    $instance;
+ 		$Apache::lonhomework::results{'INTERNAL_store'} = 1;
  	    }
  	}
- 	@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;
      }
  }
- {
+ sub get_criteria {
-     my $last_link;
+     my ($what,$version,$dim,$id) = @_;
-     sub link {
+     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
- 	my ($instance,$id) = @_;
+     my $prefix = ($type eq 'criteria' && $dim ne $top) ? "$dim.$id"
- 	return 'LC_GRADING_criteria_'.$instance.'_'.$id;
+ 	                                               : "$id";
-     }
+     my $entry = "resource.$version.0.$prefix.$what";
-     sub end_Dimension {
+     if (exists($Apache::lonhomework::results{$entry})) {
- 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ 	return $Apache::lonhomework::results{$entry};
- 	my $result=&Apache::lonxml::endredirection();
+     }
- 	my $dim=&get_id($parstack,$safeeval);
+     return $Apache::lonhomework::history{$entry};
- 	my $instance=&get_instance($dim);
+ }
- 	my $version=&get_version();
- 	if ($target eq 'web') {
+ sub link {
- 	    @Apache::scripttag::parser_env = @_;
+     my ($id) = @_;
- 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
+     $id =~ s/\./_/g;
- 	    my @instances = $instance;
+     return 'LC_GRADING_criteria_'.$id;
- 	    if (&Apache::response::showallfoils()) {
+ }
- 		@instances = @{$dimension{'instances'}};
+ sub end_Question { return &end_Dimension(@_); }
- 	    }
+ sub end_Dimension {
- 	    foreach my $instance (@instances) {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
- 		@Apache::scripttag::parser_env = @_;
+     my $result=&Apache::lonxml::endredirection();
- 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
+     my $dim=&get_id($parstack,$safeeval);
- 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
+     if (&skip_dimension_parsing($dim)) {
- 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
+ 	&disable_dimension_parsing($dim);
+ 	pop(@Apache::bridgetask::dimension);
- 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
+ 	return;
- 		    my $mandatory='Mandatory';
+     }
- 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
+     my $instance=&get_instance($dim);
- 			$mandatory='Optional';
+     my $version=&get_version();
- 		    }
+     if ($target eq 'web') {
- 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
+ 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
- 		    if ($dim_status eq 'pass') {
+ 	my @instances = $instance;
- 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
+ 	if (&Apache::response::showallfoils()) {
- 		    }
+ 	    @instances = @{$dimension{$dim}{'instances'}};
- 		    if ($dim_status eq 'fail') {
+ 	}
- 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
+ 	my $shown_question_text;
+ 	foreach my $instance (@instances) {
+ 	    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
+ 				     [@_]);
+ 	    $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
+ 				     [@_],{'set_dim_id' => undef});
+ 	    my $task_status =
+ 		$Apache::lonhomework::history{"resource.$version.0.status"};
+ 	    if ($task_status ne 'pass' && $task_status ne 'fail') {
+ 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+ 				@{$dimension{$dim}{'criterias'}}) {
+ 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+ 		    &Apache::lonxml::debug("$id is $type");
+ 		    if ($type eq 'dimension') {
+ 			$result.=
+ 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
+ 					  [@_],{'set_dim_id' => $id});
  		    }
- 		    my $man_count=0;
+ 		}
- 		    my $man_passed=0;
+ 	    } else {
- 		    my $opt_count=0;
+ 		my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
- 		    my $opt_passed=0;
+ 		my $mandatory='Mandatory';
- 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 		if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
- 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'}
+ 		    $mandatory='Optional';
- 			    eq 'N') {
+ 		}
- 			    $opt_count++;
+ 		my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
- 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
+ 		if ($dim_status eq 'pass') {
- 				$opt_passed++;
+ 		    $dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
- 			    }
+ 		}
- 			} else {
+ 		if ($dim_status eq 'fail') {
- 			    $man_count++;
+ 		    $dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
- 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
+ 		}
- 				$man_passed++;
+ 		my $man_count=0;
- 			    }
+ 		my $man_passed=0;
- 			}
+ 		my $opt_count=0;
+ 		my $opt_passed=0;
+ 		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') {
+ 			$opt_count++;
+ 			if ($status eq 'pass') { $opt_passed++; }
+ 		    } else {
+ 			$man_count++;
+ 			if ($status eq 'pass') { $man_passed++; }
  		    }
- 		    if ($man_passed eq $man_count) { $man_passed='all'; }
+ 		}
- 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
+ 		if ($man_passed eq $man_count) { $man_passed='all'; }
- 		    if ($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 $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
+ 		if ($opt_req !~ /\S/) {
- 		    my $internal_location=&internal_location($dim);
+ 		    $opt_req=
- 		    $result=~s/\Q$internal_location\E/$dim_info/;
+ 			&Apache::lonxml::get_param('OptionalRequired',
+ 						   $parstack,$safeeval);
- 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 		    if ($opt_req !~ /\S/) { $opt_req = 0; }
- 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
+ 		}
- 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
+ 		$dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
- 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
- 			if ($mandatory) {
+ 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
- 			    $mandatory='Mandatory';
+ 				@{$dimension{$dim}{'criterias'}}) {
- 			} else {
+ 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
- 			    $mandatory='Optional';
+ 		    if ($type eq 'dimension') {
- 			}
+ 			$result.=$dimension{$id}{'result'};
- 			if ($status eq 'fail') {
+ 			next;
- 			} 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 = @_;
- 			$result.=
- 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
- 			    .$mandatory.' Criteria</h4><p>';
- 			@Apache::scripttag::parser_env = @_;
- 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
- 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
- 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
- 			    $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';
- 			}
- 			$result.='</div>';
  		    }
+ 		    my $criteria =
+ 			&nested_parse(\$dimension{$dim}{'criteria.'.$id},
+ 				      [@_]);
+ 		    $dim_info .= &layout_web_Criteria($dim,$id,$criteria);
  		}
+ 		my $internal_location=&internal_location($dim);
+ 		$result=~s/\Q$internal_location\E/$dim_info/;
  	    }
- 	} elsif ($target eq 'webgrade') {
+ 	}
- 	    # in case of any side effects that we need
+     } elsif ($target eq 'webgrade') {
- 	    @Apache::scripttag::parser_env = @_;
+ 	# in case of any side effects that we need
- 	    &Apache::scripttag::xmlparse($dimension{'intro'});
+ 	&nested_parse(\$dimension{$dim}{'intro'},[@_]);
- 	    @Apache::scripttag::parser_env = @_;
+ 	&nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
- 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
+ 	$result.=
- 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 	    &nested_parse(\$dimension{$dim}{'questiontext'},[@_],
- 		my $link=&link($instance,$id);
+ 			  {'set_dim_id'          => undef,
- 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
+ 			   'delayed_dim_results' => 1});
- 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
+ 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
- 		    '<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
+ 			@{$dimension{$dim}{'criterias'}} ) {
- 		@Apache::scripttag::parser_env = @_;
+ 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
- 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
+ 	    if ($type eq 'dimension') {
- 		$result.='</div>'."\n".
+ 		# dimensional 'criteria' don't get assigned grades
- 		    #$dimension{$instance.'.criteria.'.$id}.
+ 		$result.=
- 		    '<div class="LC_GRADING_grade">'."\n".
+ 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
- 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
+ 				  [@_],{'set_dim_id' => $id});
- 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
+ 		next;
- 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
+ 	    } else {
- 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
+ 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
- 		    '</div>'."\n".
+ 					     [@_]);
- 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
+ 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
- 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".
+ 		my $internal_location=&internal_location($id);
- 		    '</label>'."\n".
+ 		$result=~s/\Q$internal_location\E/$criteria/;
- 		    '<ul class="LC_GRADING_navbuttons">'."\n".
- 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
- 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
- 		    '</ul>'."\n".
-                     '</div>'."\n";
- 		$result.=&grading_history($version,$dim,$instance,$id);
- 		$last_link=$link;
- 	    }
- 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
- 	    my $optional_passed=0;
- 	    my $mandatory_failed=0;
- 	    my $ungraded=0;
- 	    my $review=0;
- 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
- 		my $link=&link($instance,$id);
- 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_'.$link};
- 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
- 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
- 		if ($status eq 'pass') {
- 		    if (!$mandatory) { $optional_passed++; }
- 		} elsif ($status eq 'fail') {
- 		    if ($mandatory) { $mandatory_failed++; }
- 		} elsif ($status eq 'review') {
- 		    $review++;
- 		} elsif ($status eq 'ungraded') {
- 		    $ungraded++;
- 		} else {
- 		    $ungraded++;
- 		}
  	    }
- 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
+ 	}
- 		$mandatory_failed++;
+ 	if (&nest()) {
+ 	    &Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
+ 	    $dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
+ 	    undef($result);
+ 	}
+     } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
+ 	my $optional_passed=0;
+ 	my $mandatory_failed=0;
+ 	my $ungraded=0;
+ 	my $review=0;
+ 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
+ 	$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
+ 				 [@_]);
+ 	$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
+ 				 [@_],{'set_dim_id' => undef});
+ 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+ 			@{$dimension{$dim}{'criterias'}}) {
+ 	    my $link=&link($id);
+ 	    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};
+ 	    } else {
+ 		$result .=
+ 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
+ 				  [@_],{'set_dim_id' => $id});
  	    }
- 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
+ 	    my $status= &get_criteria('status',$version,$dim,$id);
- 	    if ($review) {
- 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+ 	    my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
- 		    'review';
+ 	    if ($status eq 'pass') {
- 	    } elsif ($ungraded) {
+ 		if (!$mandatory) { $optional_passed++; }
- 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+ 	    } elsif ($status eq 'fail') {
- 		    'ungraded';
+ 		if ($mandatory) { $mandatory_failed++; }
- 	    } elsif ($mandatory_failed) {
+ 	    } elsif ($status eq 'review') {
- 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+ 		$review++;
- 		    'fail';
+ 	    } elsif ($status eq 'ungraded') {
+ 		$ungraded++;
  	    } else {
- 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+ 		$ungraded++;
- 		    'pass';
  	    }
+ 	}
+ 	my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
+ 	if ($opt_req !~ /\S/) {
+ 	    $opt_req=
+ 		&Apache::lonxml::get_param('OptionalRequired',
+ 					   $parstack,$safeeval);
+ 	    if ($opt_req !~ /\S/) { $opt_req = 0; }
+ 	}
+ 	if ($optional_passed < $opt_req) {
+ 	    $mandatory_failed++;
+ 	}
+ 	&Apache::lonxml::debug("all instance ".join(':',@{$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.$dim.status"}=
+ 		'review';
+ 	} elsif ($ungraded) {
+ 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+ 		'ungraded';
+ 	} elsif ($mandatory_failed) {
+ 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+ 		'fail';
  	} else {
- 	    # any other targets no output
+ 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
- 	    undef($result);
+ 		'pass';
  	}
- 	return $result;
+     } else {
+ 	# any other targets no output
+ 	undef($result);
+     }
+     &disable_dimension_parsing();
+     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 $result;
  }
  sub grading_history {
-     my ($version,$dim,$instance,$criteria) = @_;
+     my ($version,$dim,$id) = @_;
      if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
  	return '';
      }
      my ($result,$grader);
-     my $scope="resource.$version.0.$dim.$instance.$criteria";
+     my $scope="resource.$version.0.";
+     $scope .= ($dim ne $top) ? "$dim.$id"
+ 	                     : "$id";
      foreach my $t (1..$Apache::lonhomework::history{'version'}) {
  	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
  	    my ($gname,$gdom) =
- 		split('@',$Apache::lonhomework::history{$t.':resource.0.regrader'});
+ 		split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
  	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
  	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
  							 $gname,$gdom);
- Line 1864  sub grading_history {
+ Line 2455  sub grading_history {
  sub start_IntroParagraph {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
      my $result;
-     if ($target eq 'web' || $target eq 'webgrade') {
+     my $dim = &get_dim_id();
- 	if ($tagstack->[-2] eq 'Dimension') {
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
- 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
+ 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
+ 	    $dimension{$dim}{'intro'}=
- 	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
+ 		&Apache::lonxml::get_all_text('/introparagraph',
+ 					      $parser,$style);
+        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
  	    &Apache::lonxml::startredirection();
  	}
- Line 1885  sub end_IntroParagraph {
+ Line 2478  sub end_IntroParagraph {
  sub start_Instance {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-     my $id=&get_id($parstack,$safeeval);
+     my $dim = &get_dim_id();
-     push(@{$dimension{'instances'}},$id);
+     my $id  = &get_id($parstack,$safeeval);
-     push(@Apache::bridgetask::instance,$id);
+     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}{$id.'.disabled'}='1';
      }
      return '';
  }
- Line 1903  sub end_Instance {
+ Line 2497  sub end_Instance {
  sub start_InstanceText {
      my ($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' || $target eq 'webgrade') {
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
- 	$dimension{$instance_id.'.text'}=$text;
+ 	$dimension{$dim}{$instance_id.'.text'}=$text;
      }
      return '';
  }
- Line 1917  sub end_InstanceText {
+ Line 2512  sub end_InstanceText {
  sub start_Criteria {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-     my $instance_id=$Apache::bridgetask::instance[-1];
      my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
+     my $result = '';
      if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
+ 	my $dim = &get_dim_id();
  	my $id=&get_id($parstack,$safeeval);
- 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
+ 	if ($target eq 'web' || $target eq 'webgrade') {
- 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
+ 	    if ($target eq 'webgrade' && $dim ne 'top') {
- 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ 		&Apache::lonxml::debug(" for $dim $id stashing results into $dim ");
- 	push(@{$dimension{$instance_id.'.criterias'}},$id);
+ 		$dimension{$dim}{'result'} .= &internal_location($id);
+ 	    } else {
+ 		&Apache::lonxml::debug(" not stashing $dim $id");
+ 		$result .= &internal_location($id);
+ 	    }
+ 	}
+ 	&Apache::lonxml::debug("Criteria $id with $dim");
+ 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
+ 	    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(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
+ 	} else {
+ 	    $dimension{$dim}{'criteria.'.$id}=$criteria;
+ 	    $dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
+ 	    $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
+ 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ 	    push(@{$dimension{$dim}{'criterias'}},$id);
+ 	}
      }
-     return '';
+     return $result;
+ }
+ sub layout_web_Criteria {
+     my ($dim,$id,$criteria) = @_;
+     my $version = &get_version();
+     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 {
+ 	$mandatory='Optional';
+     }
+     my $status_display=$status;
+     $status_display=~s/^([a-z])/uc($1)/e;
+     my $criteria_info.=
+ 	'<div class="LC_'.$status.' LC_criteria"><h4>'
+ 	.$mandatory.' Criteria</h4><p>';
+     $criteria_info.= $criteria;
+     $criteria_info.='</p><p class="LC_grade">'.$status_display.'</p>';
+     if ($comment =~ /\w/) {
+ 	$criteria_info.='<p class="LC_comment">'.
+ 	    &mt('Comment: [_1]',$comment).'</p>';
+     }
+     $criteria_info.='</div>';
+     return $criteria_info;
+ }
+ sub layout_webgrade_Criteria {
+     my ($dim,$id,$criteria) = @_;
+     my $link=&link($id);
+     my $version = &get_version();
+     my $status  = &get_criteria('status',$version,$dim,$id);
+     my $result =
+ 	'<div class="LC_GRADING_criteria">'."\n".
+ 	'<div class="LC_GRADING_criteriatext">'."\n".
+ 	$criteria.
+ 	'</div>'."\n".
+ 	'<div class="LC_GRADING_grade">'."\n".
+ 	'<label class="LC_GRADING_ungraded">
+             <input type="radio" name="HWVAL_'.$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".
+ 	 '<label class="LC_GRADING_pass">
+              <input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.
+ 	     &mt('Pass').
+ 	  '</label>'."\n".
+ 	  '<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_'.$link.'">'.&HTML::Entities::encode(&get_criteria('comment',$version,$dim,$id),'<>"&').'</textarea>'."\n".
+ 	  '</label>'."\n".
+ 	  '</div>'."\n".
+ 	  &grading_history($version,$dim,$id);
+     return $result;
  }
  sub end_Criteria {
  }
+ sub start_GraderNote {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     if ($target eq 'webgrade') {
+ 	return '<div class="LC_GRADING_gradernote"><b>'.
+ 	    &mt('Note to graders:').'</b>';
+     }
+     my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style);
+     return;
+ }
+ sub end_GraderNote {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     if ($target eq 'webgrade') {
+ 	return '</div>';
+     }
+     return;
+ }
  sub proctor_validation_screen {
      my ($slot) = @_;
-     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
+     my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
      my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
      my $name=&Apache::loncommon::plainname($user,$domain);
- Line 1963  sub proctor_validation_screen {
+ Line 2664  sub proctor_validation_screen {
        <tr><td colspan="2">Student who should be logged in is:</td></tr>
        <tr><td>Name:</td><td>$name</td></tr>
        <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
-       <tr><td>Usename</td><td>$user\@$domain</td></tr>
+       <tr><td>Usename</td><td>$user:$domain</td></tr>
        <tr><td colspan="2"><img src="$url" /></td></tr>
      </table>
    </tr></td>

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.128.2.6
changed lines
	Added in v.1.195