loncom/homework/bridgetask.pm - diff

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Diff for /loncom/homework/bridgetask.pm between versions 1.37 and 1.271

-version 1.37, 2005/06/04 08:17:06
+version 1.271, 2020/09/01 16:36:38
  Line 37  use Apache::lonmenu;
  use Apache::lonlocal;
  use Apache::lonxml;
  use Apache::slotrequest();
+ use Apache::structuretags();
  use Time::HiRes qw( gettimeofday tv_interval );
+ 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','CriteriaText','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
      $Apache::bridgetask::queue_key='';
+     undef(%dimension);
  }
  sub proctor_check_auth {
-     my ($slot_name,$slot)=@_;
+     my ($slot_name,$slot,$type)=@_;
      my $user=$env{'form.proctorname'};
+     $user =~ s/^\s+|\s+$//g;
      my $domain=$env{'form.proctordomain'};
      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 $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
+ 	    my $authenticated=0;
- 	    if ($authhost ne 'no_host') {
+ 	    if ( $slot->{'secret'} =~ /\S/ &&
- 		my $version=
+ 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
- 		    $Apache::lonhomework::results{'resource.version'}=
+ 		$authenticated=1;
- 		    ++$Apache::lonhomework::history{'resource.version'};
+ 	    } else {
- 		$Apache::lonhomework::results{"resource.$version.checkedin"}=
- 		    $user.'@'.$domain;
+ 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
- 		$Apache::lonhomework::results{"resource.$version.checkedin.slot"}=
+ 		if ($authhost ne 'no_host') {
- 		    $slot_name;
+ 		    $authenticated=1;
- 		foreach my $key (keys(%Apache::lonhomework::history)) {
- 		    if ($key=~/^resource\.0\./) {
- 			$Apache::lonhomework::results{$key}='';
- 		    }
  		}
+ 	    }
+ 	    if ($authenticated) {
+ 		my $check = &check_in($type,$user,$domain,$slot_name,$slot->{'iptied'});
+                 if ($check =~ /^error:/) {
+                     return 0;
+                 }
  		return 1;
  	    }
  	}
- Line 89  sub proctor_check_auth {
+ Line 95  sub proctor_check_auth {
      return 0;
  }
+ sub check_in {
+     my ($type,$user,$domain,$slot_name,$needsiptied) = @_;
+     my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
+     my $ip=$ENV{'REMOTE_ADDR'} || $env{'request.host'};
+     if ( $useslots eq 'map_map') {
+ 	my $result = &check_in_sequence($user,$domain,$slot_name,$ip,$needsiptied);
+         if ($result =~ /^error: /) {
+             return $result;
+         }
+     } else {
+         my ($symb) = &Apache::lonnet::whichuser();
+ 	my $result = &create_new_version($type,$user,$domain,$slot_name,$symb,$ip,$needsiptied);
+         if ($result eq 'ok') {
+ 	    &Apache::structuretags::finalize_storage();
+         }
+         return $result;
+     }
+     return 1;
+ }
+ sub check_in_sequence {
+     my ($user,$domain,$slot_name,$ip,$needsiptied) = @_;
+     my $navmap = Apache::lonnavmaps::navmap->new();
+     if (!defined($navmap)) {
+         return 'error: No navmap';
+     }
+     my ($symb) = &Apache::lonnet::whichuser();
+     my ($map)  = &Apache::lonnet::decode_symb($symb);
+     my @resources =
+ 	$navmap->retrieveResources($map, sub { $_[0]->is_problem() || $_[0]->is_tool() },0,0);
+     my %old_history = %Apache::lonhomework::history;
+     my %old_results = %Apache::lonhomework::results;
+     my $errorcount;
+     foreach my $res (@resources) {
+ 	&Apache::lonxml::debug("doing ".$res->src);
+ 	&Apache::structuretags::initialize_storage($res->symb);
+ 	my $type;
+         if ($res->is_task()) {
+             $type = 'Task';
+         } elsif ($res->is_tool) {
+             $type = 'tool';
+         } else {
+             $type = 'problem';
+         }
+ 	my $result = &create_new_version($type,$user,$domain,$slot_name,$res->symb,$ip,$needsiptied);
+         if ($result eq 'ok') {
+ 	    &Apache::structuretags::finalize_storage($res->symb);
+         } else {
+             $errorcount ++;
+         }
+     }
+     %Apache::lonhomework::history = %old_history;
+     %Apache::lonhomework::results = %old_results;
+     if ($errorcount) {
+         return 'error: IP taken';
+     }
+ }
+ sub create_new_version {
+     my ($type,$user,$domain,$slot_name,$symb,$ip,$needsiptied) = @_;
+     if ($needsiptied) {
+         my $uniqkey = "$slot_name\0$symb\0$ip";
+         my ($cdom,$cnum);
+         if ($env{'request.course.id'}) {
+             my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+             my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+             my %hash = (
+                           "$slot_name\0$symb\0$ip" => $env{'user.name'}.':'.$env{'user.domain'},
+                        );
+             unless (&Apache::lonnet::newput('slot_uniqueips',\%hash,$cdom,$cnum) eq 'ok') {
+                 return 'error: IP taken';
+             }
+         }
+     }
+     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') || ($type eq 'tool')) {
+ 	&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;
+     $Apache::lonhomework::results{"resource.$id.checkedin.ip"}=$ip;
+     if (defined($slot_name)) {
+ 	$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
+ 	    $slot_name;
+     }
+     return 'ok';
+ }
  sub get_version {
      my ($version,$previous);
      if ($env{'form.previousversion'} &&
  	$env{'form.previousversion'} ne 'current' &&
- 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.status'})) {
+ 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
  	$version=$env{'form.previousversion'};
  	$previous=1;
      } else {
- 	$version=$Apache::lonhomework::history{'resource.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'};
+ 	}
  	$previous=0;
      }
      if (wantarray) {
- Line 108  sub get_version {
+ Line 237  sub get_version {
  sub add_previous_version_button {
      my ($status)=@_;
+     my (undef,undef,$udom,$uname)=&Apache::lonnet::whichuser();
+     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
+         return;
+     }
      my $result;
-     if ($Apache::lonhomework::history{'resource.version'} eq '') {
+     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
  	return '';
      }
-     if ($Apache::lonhomework::history{'resource.version'} < 2 &&
+     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
  	$status ne 'NEEDS_CHECKIN') {
  	return '';
      }
- Line 123  sub add_previous_version_button {
+ Line 256  sub add_previous_version_button {
  	    "</h3>\n";
      }
      my @to_show;
-     foreach my $test_version (1..$Apache::lonhomework::history{'resource.version'}) {
+     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
- 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.status'})) {
+ 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
  	    push(@to_show,$test_version);
  	}
      }
- Line 132  sub add_previous_version_button {
+ Line 265  sub add_previous_version_button {
  	join("</option>\n<option>",@to_show).
  	     "</option>\n";
      $list.='<option value="current">'.&mt('Current').'</option>';
-     $result.='<form name="getprevious" method="POST" action="';
+     $result.='<form name="getprevious" method="post" action="';
      my $uri=$env{'request.uri'};
      if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
      $result.=$uri.'">'.
- Line 144  sub add_previous_version_button {
+ Line 277  sub add_previous_version_button {
  }
  sub add_grading_button {
-     my $result=' <input type="submit" name="gradeasubmission" value="'.
+     my (undef,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
- 	&mt("Get a submission to grade").'" />';
+     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
-     $result.='<input type="hidden" name="grade_target" value="webgrade" />';
+         return;
-     if ( 1) {
+     }
- 	#need a permissions for limitng this to 'powerful users'
+     my $cnum=$env{'course.'.$cid.'.num'};
+     my $cdom=$env{'course.'.$cid.'.domain'};
+     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
+     my $size=5;
+     if (scalar(keys(%sections)) < 3) {
+ 	$size=scalar(keys(%sections))+2;
+     }
+     my $sec_select = "\n".'<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
+     $sec_select .= "\t".'<option value="all" selected="selected">'.&mt('all')."</option>\n";
+     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
+ 	$sec_select .= "\t<option value=\"$sec\">$sec</option>\n";
+     }
+     $sec_select .= "\t".'<option value="none">'.&mt('none')."</option>\n</select>\n";
+     my $uri=$env{'request.uri'};
+     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
+     my $result =
+         '<form name="gradesubmission" method="post" action="'.$uri.'">'.
+         "\n\t".'<input type="submit" name="gradeasubmission" value="'.
+ 	&mt("Get a submission to grade").'" />'.
+         "\n\t".'<input type="hidden" name="grade_target" value="webgrade" />';
+     my $see_all = &Apache::lonnet::allowed('mgq',$env{'request.course.id'});
+     my $see_sec = &Apache::lonnet::allowed('mgq',$env{'request.course.id'}.
+ 					   '/'.$env{'request.course.sec'});
+     if ($see_all || $see_sec) {
  	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
- 	$result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
+ 	$result.="\n\t".'<table>'."\n\t\t".'<tr>';
+ 	if ($see_all || (!&section_restricted())) {
+ 	    $result.="\n\t\t\t".'<td rowspan="4">'.&mt('Specify a section:').' </td>'.
+ 		"\n\t\t\t".'<td rowspan="4">'.$sec_select."\n\t\t\t".'</td>';
+ 	} else {
+ 	    $result.="\n\t\t\t".'<td rowspan="4">'.&mt('Grading section:').' </td>'.
+ 		"\n\t\t\t".'<td rowspan="4">'.$env{'request.course.sec'}."\n\t\t\t".'</td>';
+ 	}
+ 	$result.="\n\t\t\t".'<td>'.'<input type="submit" name="reviewagrading" value="'.
+ 	    &mt("Select an entry from the grading queue:").'" /> ';
- 	$result.=' <input type="submit" name="reviewagrading" value="'.
+ 	$result.= "\n\t\t\t\t".&mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
- 	    &mt("Select an entry from the grading queue").'" /> </p>'."\n";
  	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
- 	$result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
+ 	$result.="\n\t\t".'<tr>'.
- 	$result.=' <input type="submit" name="reviewasubmission" value="'.
+ 	    "\n\t\t\t".'<td>'.
- 	    &mt("Select an entry from the review queue").'" /> </p>'."\n";
+ 	    "\n\t\t\t\t".'<input type="submit" name="reviewasubmission" value="'.
+ 	    &mt("Select an entry from the review queue:").'" /> ';
+ 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
+ 		     $entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
+ 	$result.="\n\t\t".'<tr>'.
+ 	    "\n\t\t\t".'<td>'.
+ 	    "\n\t\t\t\t".'<input type="submit" name="regradeasubmission" value="'.
+ 	    &mt("List of user's grade status").'" /> </td>'
+ 	    ."\n\t\t".'</tr>'
+ 	    ."\n\t".'</table>'."\n";
+ 	$result.="\n\t".'<p>'.
+ 	    "\n\t\t".'<input type="submit" name="regradeaspecificsubmission" value="'.
+ 	    &mt("Regrade specific user:").'" />';
+ 	$result.= "\n\t\t".'<input type="text" size="12" name="gradinguser" />';
+ 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
+ 						     'gradingdomain');
+ 	$result.=' '.
+ 	    &Apache::loncommon::selectstudent_link('gradesubmission',
+ 						   'gradinguser',
+ 						   'gradingdomain');
+ 	$result.=&Apache::loncommon::studentbrowser_javascript();
+ 	$result.= '</p>'."\n";
+     }
+     $result .= '</form>'."\n";
+     return $result;
+ }
+ sub add_slotlist_button {
+     my (undef,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
+     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
+         return;
+     }
+     my $symb=&Apache::lonnet::symbread();
+     my $result;
+     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'}) ||
+         &Apache::lonnet::allowed('mgq',$env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
+         $result = '<form method="post" name="slotrequest" action="/adm/slotrequest">'.
+                   '<input type="hidden" name="symb" value="'.$symb.'" />'.
+                   '<input type="hidden" name="command" value="showslots" />'.
+                   '<input type="submit" name="requestattempt" value="'.
+                   &mt('Show Slot list').'" />'.
+                   '</form>';
+         my $target_id =
+                &Apache::lonstathelpers::make_target_id({symb => $symb,
+                                                              part => '0'});
+         if (!&section_restricted()) {
+             $result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
+                      '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
+                      '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
+                      '<input type="submit" name="grading" value="'.
+                      &mt('Show Grading Status').'" />'.
+                      '</form>';
+         }
      }
      return $result;
  }
  sub add_request_another_attempt_button {
+     my ($text)=@_;
+     my (undef,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
+     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
+         return;
+     }
+     if (!$text) { $text=&mt('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) {
+ 	$text=&mt('Change reservation');
+ 	$action='change_reservation';
  	my $description=&Apache::slotrequest::get_description($slot_name,
  							      $slot);
- 	$result.=(<<STUFF);
+ 	$result.='<p>'
- <p> Will be next available: $description </p>
+                 .&mt('Will be next available:')
- STUFF
+                 .' '.$description
+                 .'</p>';
-     } else {
- 	if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
- 	$symb=&Apache::lonnet::escape($symb);
- 	$result.='<form method="POST" action="/adm/slotrequest">'.
- 	    '<input type="hidden" name="symb" value="'.$symb.'" />'.
- 	    '<input type="submit" name="requestattempt" value="'.
- 	    &mt("Request another attempt").'" />'.
- 	    '</form>';
      }
+     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
+     $symb=&escape($symb);
+     $result.=
+         "\n\t".'<form method="post" action="/adm/slotrequest">'."\n\t\t".
+ 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n\t\t".
+ 	'<input type="hidden" name="command" value="'.$action.'" />'."\n\t\t".
+ 	'<input type="submit" name="requestattempt" value="'.
+ 	$text.'" />'."\n\t".
+ 	'</form>'."\n";
      return $result;
  }
- Line 199  sub preserve_grade_info {
+ Line 434  sub preserve_grade_info {
      return $result;
  }
+ sub style {
+     my ($target) = @_;
+     if ($target eq 'web'
+ 	|| $target eq 'webgrade') {
+ 	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 $style;
+     }
+     return;
+ }
+ sub show_task {
+     my ($status,$previous)=@_;
+     if (!$previous && (
+ 		       ( $status eq 'CLOSED' ) ||
+ 		       ( $status eq 'BANNED') ||
+ 		       ( $status eq 'UNAVAILABLE') ||
+ 		       ( $status eq 'NOT_IN_A_SLOT') ||
+                        ( $status eq 'NOT_YET_VIEWED') ||
+ 		       ( $status eq 'NEEDS_CHECKIN') ||
+ 		       ( $status eq 'WAITING_FOR_GRADE') ||
+ 		       ( $status eq 'INVALID_ACCESS') ||
+ 		       ( &get_version() eq ''))) {
+ 	return 0;
+     }
+     if ($env{'form.donescreen'}) { return 0; }
+     return 1;
+ }
+ my @delay;
+ sub nest {
+     if (@delay) {
+ 	return $delay[-1];
+     } else {
+ 	return;
+     }
+ }
+ sub start_delay {
+     push(@delay,1);
+ }
+ sub end_delay {
+     pop(@delay);
+ }
+ sub nested_parse {
+     my ($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::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.'.$version.'.0.bridgetask.portfiles'})
+ 	    && defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
+ 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
+ 	    last;
+ 	}
+     }
+     my $result;
+     if ($submissiontime) {
+ 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
+ 	my %slot=&Apache::lonnet::get_slot($slot_name);
+ 	my $diff = $slot{'endtime'} - $submissiontime;
+ 	my ($color,$when)=('#FF6666','after');
+ 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
+ 	my $info;
+ 	$diff = abs($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. '.
+ 		'(Submission was at [_3], end of period was [_4].)',
+ 		$info,$when,
+ 		&Apache::lonlocal::locallocaltime($submissiontime),
+ 		&Apache::lonlocal::locallocaltime($slot{'endtime'})).
+ 		'</font></p>';
+     }
+     return $result;
+ }
+ sub file_list {
+     my ($files,$uname,$udom) = @_;
+     if (!defined($uname) || !defined($udom)) {
+ 	(undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
+     }
+     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
+     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
+     foreach my $partial_file (split(',',$files)) {
+ 	my $file=$file_url.$partial_file;
+ 	$file=~s|/+|/|g;
+ 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
+ 	$file_list.='<li><span class="LC_nobreak"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
+ 	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
+ 	    '</a></span></li>'."\n";
+     }
+     $file_list.="</ul>\n";
+     return $file_list;
+ }
+ sub grade_mode {
+     if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
+ 	return 'regrade';
+     }
+     return 'queue_grade';
+ }
+ sub webgrade_standard_info {
+     my ($version)=&get_version();
+     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
+     my %lt = &Apache::lonlocal::texthash(
+         'done'   => 'Next Item',
+         'stop'   => 'Quit Grading',
+         'fail'   => 'Fail Rest',
+         'cancel' => 'Cancel',
+         'submit' => 'Submit Grades',
+     );
+     my $result=<<INFO;
+   <div class="LC_GRADING_maincontrols">
+ INFO
+     if ($env{'request.state'} eq 'construct') {
+ 	$result.=<<INFO;
+     <input type="submit" name="next" value="$lt{'submit'}" />
+ INFO
+     } else {
+ 	if (&grade_mode() eq 'regrade' && $env{'request.state'} ne 'construct') {
+ 	    $result.=<<INFO;
+     <input type="submit" name="cancel" value="$lt{'cancel'}" />
+ INFO
+         }
+ 	$result.=<<INFO;
+     <input type="submit" name="next" value="$lt{'done'}" />
+     <input type="submit" name="stop" value="$lt{'stop'}" />
+ INFO
+     }
+     $result.=<<INFO;
+     <input type="button" name="fail" value="$lt{'fail'}"
+            onclick="javascript:onFailRest()" />
+   </div>
+   $file_list
+ INFO
+     return $result;
+ }
+ sub done_screen {
+     my ($version) = @_;
+     my $title=&Apache::lonnet::gettitle($env{'request.uri'});
+     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
+     my (undef,undef,$domain,$user)= &Apache::lonnet::whichuser();
+     my ($msg,$files,$shown);
+     if (@files > 0) {
+         $files = '<ul>';
+         foreach my $file (@files) {
+ 	    my $url="/uploaded/$domain/$user/portfolio$file";
+ 	    if (! &Apache::lonnet::stat_file($url)) {
+ 	        $file = '<span class="LC_error">'
+                        .&mt('[_1]Nonexistent file:[_2]'
+                            ,'<span class="LC_error"> '
+                            ,'</span> <span class="LC_filename">'.$file.'</span>');
+ 	        $msg .= "<p>".&mt('Submitted non-existent file [_1]',$file)."</p>\n";
+ 	    } else {
+ 	        $file = '<span class="LC_filename">'.$file.'</span>';
+ 	        $msg .= "<p>".&mt('Submitted file [_1]',$file)."</p>\n";
+ 	    }
+ 	    $files .= '<li>'.$file.'</li>';
+         }
+         $files.='</ul>';
+         $shown = '<p>'.&mt('Files submitted: [_1]',$files).'</p>'
+                 .'<p>'.&mt('You are now done with this Bridge Task').'</p>'
+                 .'<hr />'
+                 .'<p><a href="/adm/logout">'.&mt('Logout').'</a></p>'
+                 .'<p><a href="/adm/roles">'.&mt('Change to a different course').'</a></p>';
+     } else {
+         $msg = &mt("Submission status: no files currently submitted, when 'Done' was indicated.");
+         $shown = '<p class="LC_error">'.
+                  &mt('You did not submit any files.  Please try again.').'</span>'.
+                  '</p><p><a href="javascript:history.go(-1);">'.&mt('Back to Bridge Task').'</a></p><hr />';
+     }
+     my $subject = &mt('Submission message for [_1]',$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]',
+ 				    $comment_status).' </p>';
+     }
+     return "<h2>$title</h2>"
+           .$shown
+           .$message_status
+           .$comment_status;
+ }
  sub start_Task {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
      my ($status,$accessmsg,$slot);
+     &Apache::structuretags::init_problem_globals('Task');
      if ($target ne 'webgrade') {
  	&Apache::structuretags::initialize_storage();
  	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
+ 	if ($env{'request.state'} eq 'construct') {
+ 	    &Apache::structuretags::setup_rndseed($safeeval);
+ 	}
      }
      $Apache::lonhomework::parsing_a_task=1;
-     #should get back a <html> or the neccesary stuff to start XML/MathML
-     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
+     my $name;
- 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
+     if ($target eq 'web' || $target eq 'webgrade') {
+ 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
-     if ($target eq 'web') {
+     }
- 	if ($Apache::lonhomework::modifygrades) {
- 	    $body_tag_start.='<form name="gradesubmission" method="POST" action="';
+     my ($result,$form_tag_start);
- 	    my $uri=$env{'request.uri'};
+     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
- 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
+ 	|| $target eq 'edit') {
- 	    $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
+ 	($result,$form_tag_start) =
+ 	    &Apache::structuretags::page_start($target,$token,$tagstack,
+ 					       $parstack,$parser,$safeeval,
+ 					       $name,&style($target));
+     }
+     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
+         $target eq 'tex') {
+         if ($env{'form.markaccess'}) {
+             my @interval=&Apache::lonnet::EXT("resource.0.interval");
+             my ($timelimit) = ($interval[0] =~ /^(\d+)/);
+             &Apache::lonnet::set_first_access($interval[1],$timelimit);
+         }
+     }
+     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
+ 	if ($Apache::lonhomework::queuegrade
+ 	    || $Apache::lonhomework::modifygrades) {
+ 	    $result .= &add_grading_button();
+ 	    my $symb=&Apache::lonnet::symbread();
+ 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})
+ 		|| &Apache::lonnet::allowed('mgq',$env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
+                 $result .= &add_slotlist_button();
+ 	    }
  	}
      }
-     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
+     if ($target =~/(web|webgrade)/ && $env{'request.state'} eq 'construct') {
- 	$target eq 'tex') {
+ 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
+     }
+     if ($target eq 'web'
+ 	|| ($target eq 'grade' && !$env{'form.webgrade'})
+ 	|| $target eq 'answer'
+ 	|| $target eq 'tex') {
  	my ($version,$previous)=&get_version();
  	($status,$accessmsg,my $slot_name,$slot) =
- 	    &Apache::lonhomework::check_task_access('0');
+ 	    &Apache::lonhomework::check_slot_access('0','Task');
+ 	if ((($status eq 'CAN_ANSWER') || ($status eq 'NOT_YET_VIEWED')) && ($version eq '')) {
+ 	    # CAN_ANSWER or NOT_YET_VIEWED mode, and no current version, unproctored access
+ 	    # thus self-checkedin
+             my $needsiptied;
+             if (ref($slot)) {
+                 $needsiptied = $slot->{'iptied'};
+             }
+ 	    my $check = &check_in('Task',undef,undef,$slot_name,$needsiptied);
+             if ($check =~ /^error:\s+(.*)$/) {
+                 my $symb=&Apache::lonnet::symbread();
+                 &Apache::lonnet::logthis("Error: $1 during self-checkin of version $version of Task (symb: $symb) using slot: $slot_name");
+             }
+ 	    &add_to_queue('gradingqueue',{'type' => 'Task',
+ 					  'time' => time,
+ 					  'slot' => $slot_name});
+ 	    ($version,$previous)=&get_version();
+ 	}
+         if (($target eq 'web') && ($version ne '') && ($slot_name ne '')) {
+             if (ref($slot) eq 'HASH') {
+                 if ($slot->{'endtime'} > time()) {
+                     $result .=
+                         &Apache::lonhtmlcommon::set_due_date($slot->{'endtime'});
+                 }
+             }
+ 	}
+ 	my $status_id = 'LC_task_take';
+         if ($previous && $target eq 'answer') {
+             $status_id = 'LC_task_answer';
+         } elsif ($previous || $status eq 'SHOW_ANSWER') {
+ 	    $status_id = 'LC_task_feedback';
+         }
+ 	$result .= '<div class="LC_task" id="'.$status_id.'">'."\n";
  	push(@Apache::inputtags::status,$status);
  	$Apache::inputtags::slot_name=$slot_name;
  	my $expression='$external::datestatus="'.$status.'";';
- 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.solved"}.'";';
+ 	$expression.='$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 (!$previous && (
+ 	if (!&show_task($status,$previous)) {
- 			   ( $status eq 'CLOSED' ) ||
+ 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
- 			   ( $status eq 'BANNED') ||
- 			   ( $status eq 'UNAVAILABLE') ||
- 			   ( $status eq 'NOT_IN_A_SLOT') ||
- 			   ( $status eq 'NEEDS_CHECKIN') ||
- 			   ( $status eq 'WAITING_FOR_GRADE') ||
- 			   ( $status eq 'INVALID_ACCESS') )) {
- 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
  	    if ( $target eq "web" ) {
- 		$result.= $head_tag_start.'</head>'.$body_tag_start;
+ 		if ($env{'request.state'} eq 'construct') {
+ 		    $result.=$form_tag_start;
+ 		}
  		my $msg;
  		if ($status eq 'UNAVAILABLE') {
- 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
+ 		    $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
  		} elsif ($status eq 'NOT_IN_A_SLOT') {
- 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
+ 		    $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
+ 		    $msg.=&add_request_another_attempt_button("Sign up for time to work");
  		} elsif ($status eq 'NEEDS_CHECKIN') {
- 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
+ 		    $msg.='<p class="LC_warning">'.&mt('You need the Proctor to validate you.').
- 			'</h1>'.&proctor_validation_screen($slot);
+ 			'</p>'.&proctor_validation_screen($slot);
  		} elsif ($status eq 'WAITING_FOR_GRADE') {
- 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
+ 		    $msg.='<p class="LC_info">'.&mt('Your submission is in the grading queue.').'</p>';
- 		} elsif ($status ne 'NOT_YET_VIEWED') {
+ 		} elsif ($env{'form.donescreen'}) {
- 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
+ 		    $result .= &done_screen($version);
+ 		} elsif ($status eq 'NOT_YET_VIEWED') {
+                     my $symb=&Apache::lonnet::symbread();
+                     $msg.=&Apache::structuretags::firstaccess_msg($accessmsg,$symb);
+                 } elsif ($status eq 'NEED_DIFFERENT_IP') {
+ #FIXME
+ 		} else {
+ 		    $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
  		}
  		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
  		    $msg.='The problem '.$accessmsg;
  		}
  		$result.=$msg.'<br />';
  	    } elsif ($target eq 'tex') {
- 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
+ 		$result.='\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
  		if ($status eq 'UNAVAILABLE') {
  		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
  		} else {
- Line 270  sub start_Task {
+ Line 826  sub start_Task {
  		}
  	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
  		if ($status eq 'NEEDS_CHECKIN') {
- 		    if (&proctor_check_auth($slot_name,$slot)) {
+ 		    if(&proctor_check_auth($slot_name,$slot,'Task')
- 			#FIXME immeadiatly add this to the grading queue
+ 		       && defined($Apache::inputtags::slot_name)) {
-                         #      with slot->{'endtime'} for when grading can
+ 			my $result=
-                         #      begin on this resource
+ 			    &add_to_queue('gradingqueue',
- 			# FIXME I think the above is done by default,
+ 					  {'type' => 'Task',
-                         #        need to check that
+ 					   'time' => time,
-                         #        failure doesn't do this.
+ 					   'slot' =>
-  		    }
+ 					       $Apache::inputtags::slot_name});
+ 			&Apache::lonxml::debug("add_to_queue said $result");
+ 		    }
  		}
  	    }
  	} elsif ($target eq 'web') {
- 	    my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
- 	    $result.="$head_tag_start<title>$name</title></head>
-               $body_tag_start \n";
- 	    my ($version,$previous)=&get_version();
- 	    if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
- 		$result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>';
- 		if (!$previous) {
- 		    $result.=&add_request_another_attempt_button();
- 		}
- 	    }
- 	    if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass') {
- 		$result.='<h1><font color="green">'.&mt('Passed').'</font></h1>';
- 	    }
- 	    $result.=$form_tag_start.
- 		'<input type="hidden" name="submitted" value="yes" />';
- 	    $result.=&preserve_grade_info();
+ 	    $result.=&preserve_grade_info();
+ 	    $result.=&internal_location();
+ 	    $result.=$form_tag_start."\t".
+ 		'<input type="hidden" name="submitted" value="yes" />';
+ 	    &Apache::lonxml::startredirection();
  	}
      } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
  	      $target eq 'webgrade') {
  	my $webgrade='yes';
  	if ($target eq 'webgrade') {
- 	    $result.=$head_tag_start.$body_tag_start;
+ 	    $result .= '<div class="LC_task">'."\n";
- 	    $result.='<br />Review'.&show_queue('reviewqueue');
+ 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
- 	    $result.='<br />Grade'.&show_queue('gradingqueue');
+ 		'<script type="text/javascript"
- 	}
+                          src="/res/adm/includes/task_grading.js"></script>';
- 	# FIXME Blast! still need to reorg this, need to reshow the
+ 	    #$result.='<br />Review'.&show_queue('reviewqueue');
-         #       queue being reviewed once done with the grade pass...
+ 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
-         #       Hrrm, vaildation pass should perhaps say 'not_locked'
+ 	}
-         #       perhaps do a search if there is a key that is mine and if
-         #       there isn't reshow the queue....
+ 	my ($todo,$status_code,$msg)=&get_key_todo($target);
- 	my ($todo,$status_code)=&get_key_todo($target);
- 	&Apache::lonnet::logthis("got todo -$todo- stat -$status_code-");
  	if ($todo) {
  	    &setup_env_for_other_user($todo,$safeeval);
  	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
- 	    $result.="\n".'<table><tr><td>Found '.
+ 	    if ($env{'request.state'} eq 'construct') {
- 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
+ 		$symb = $env{'request.uri'};
+ 	    }
+ 	    $result.="\n".'<p>'.
+ 		&mt('Grading [_1] for [_2] at [_3]',
+ 		    &Apache::lonnet::gettitle($symb),$uname,$udom).'</p>';
  	    $form_tag_start.=
  		'<input type="hidden" name="gradingkey" value="'.
- 		&Apache::lonnet::escape($todo).'" />';
+ 		&escape($todo).'" />';
  	    $Apache::bridgetask::queue_key=$todo;
  	    &Apache::structuretags::initialize_storage();
  	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
- 	    if ($target eq 'webgrade') {
+ 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
- 		$result.='<br />After -'.&show_queue($env{'form.queue'});
+ 		$form_tag_start.=
- 		$result.="\n".'<table width="100%" style="width:100%" border="1">';
+ 		    '<input type="hidden" name="queuemode" value="selected" />';
- 		if ($status_code eq 'selected') {
- 		    $form_tag_start.=
- 			'<input type="hidden" name="queuemode" value="selected" />';
- 		}
  	    }
  	} else {
  	    if ($target eq 'webgrade') {
  		$result.="\n";
+ 		my $back='<p><a href="/adm/flip?postdata=return:">'.
+ 		    &mt('Return to resource').'</a></p>';
  		if      ($status_code eq 'stop') {
- 		    $result.='<b>'.&mt("Stopped grading.").'</b>';
+ 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
+ 		} elsif ($status_code eq 'cancel') {
+ 		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
+                 } elsif ($status_code eq 'terminated') {
+                     $result.= '<b>'.&mt('Terminated grading').'</b><br />'.
+                               '<span class="LC_error">'.
+                               &mt('Grading for [_1] has not been saved because of a grading key mismatch.',
+                               '<tt>'.$env{'form.terminated'}.'</tt>').'</span><br />'.$back;
+ 		} elsif ($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 request record.").'</b>';
+ 		    $result.='<b>'.&mt("Failed to lock the requested record.")
+ 			.'</b>'.$back;
  		} elsif ($status_code eq 'unlock') {
- 		    $result.='<b>'.&mt("Unlocked the requested record.").'</b>';
+ 		    $result.='<b>'.&mt("Unlocked the requested record.")
+ 			.'</b>'.$back;
  		    $result.=&show_queue($env{'form.queue'},1);
  		} elsif ($status_code eq 'show_list') {
  		    $result.=&show_queue($env{'form.queue'},1);
+ 		} elsif ($status_code eq 'select_user') {
+ 		    $result.=&select_user();
+ 		} elsif ($status_code eq 'unable') {
+ 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
+ 		} elsif ($status_code eq 'not_allowed') {
+ 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
  		} else {
- 		    $result.='<b>'.&mt("No user to be graded.").'</b>';
+ 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
  		}
  	    }
  	    $webgrade='no';
- 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
+ 	}
+ 	if (!$todo || $env{'form.cancel'}) {
+ 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
  	}
  	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
+ 	    if ($webgrade eq 'yes') {
+ 		$result.=&submission_time_stamp();
+ 	    }
  	    $result.=$form_tag_start;
  	    $result.='<input type="hidden" name="webgrade" value="'.
  		$webgrade.'" />';
  	    $result.='<input type="hidden" name="queue" value="'.
  		$env{'form.queue'}.'" />';
+ 	    if ($env{'form.regrade'}) {
+ 		$result.='<input type="hidden" name="regrade" value="'.
+ 		    $env{'form.regrade'}.'" />';
+ 	    }
+ 	    if ($env{'form.chosensections'} || &section_restricted()) {
+ 		my @chosen_sections = &get_allowed_sections();
+ 		foreach my $sec (@chosen_sections) {
+ 		    $result.='<input type="hidden" name="chosensections"
+                                value="'.$sec.'" />';
+ 		}
+ 	    }
+ 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
+ 	} elsif ($target eq 'webgrade'
+ 		 && $env{'request.state'} eq 'construct') {
+ 	    $result.=$form_tag_start;
+ 	    $result.='<input type="hidden" name="webgrade" value="'.
+ 		$webgrade.'" />';
+ 	    $result.=&webgrade_standard_info();
+ 	}
+ 	if ($target eq 'webgrade') {
+ 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
+ 	    &Apache::lonxml::startredirection();
+ 	    &start_delay();
+ 	    $dimension{$top}{'result'}=$result;
+ 	    undef($result);
+ 	}
+     } elsif ($target eq 'edit') {
+ 	$result.=$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 />";
+ 	$result.= &Apache::edit::text_arg('Required number of passed optional elements to pass the Task:','OptionalRequired',$token,10)." <br />\n";
+ 	$result.= &Apache::edit::insertlist($target,$token);
+     } elsif ($target eq 'modified') {
+ 	my $constructtag=
+ 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
+ 					'OptionalRequired');
+ 	if ($constructtag) {
+ 	    $result = &Apache::edit::rebuild_tag($token);
  	}
      } else {
  	# page_start returned a starting result, delete it if we don't need it
- Line 368  sub start_Task {
+ Line 982  sub start_Task {
      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 $todo;
+     if ($env{'request.state'} eq 'construct') {
+ 	my ($symb,$cid,$udom,$uname) = &Apache::lonnet::whichuser();
+ 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
+ 	return ($gradingkey);
+     }
      if (defined($env{'form.reviewasubmission'})) {
- 	&Apache::lonnet::logthis("review a submission....");
+ 	&Apache::lonxml::debug("review a submission....");
  	$env{'form.queue'}='reviewqueue';
  	return (undef,'show_list');
      }
- Line 384  sub get_key_todo {
+ Line 1018  sub get_key_todo {
  	return (undef,'show_list');
      }
+     if (defined($env{'form.regradeasubmission'})) {
+ 	&Apache::lonxml::debug("regrade a grading....");
+ 	$env{'form.queue'}='none';
+ 	return (undef,'select_user');
+     }
+     my $me=$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::lonnet::whichuser();
+ 	my $cnum  = $env{'course.'.$cid.'.num'};
+ 	my $cdom  = $env{'course.'.$cid.'.domain'};
+ 	my $uname = &LONCAPA::clean_username($env{'form.gradinguser'});
+ 	my $udom  = &LONCAPA::clean_domain($env{'form.gradingdomain'});
+ 	if (&section_restricted()) {
+ 	    my $classlist=&get_limited_classlist();
+ 	    if (!&allow_grade_user($classlist->{$uname.':'.$udom})) {
+ 		return (undef,'not_allowed',
+ 			&mt("Requested student ([_1]) is in a section you aren't allowed to grade.",$uname.':'.$udom));
+ 	    }
+ 	}
+ 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
+ 	my $queue;
+ 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
+ 	    $env{'form.queue'} = $queue = 'gradingqueue';
+ 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
+ 	    $env{'form.queue'} = $queue = 'reviewqueue';
+ 	}
+ 	if (!$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
+ 	    $env{'form.gradingkey'}=&escape($gradingkey);
+ 	    &Apache::lonxml::debug("already locked");
+ 	    return ($gradingkey);
+ 	}
+ 	if (!defined($who)) {
+ 	    if (&lock_key($queue,$gradingkey)) {
+ 		&Apache::lonxml::debug("newly locked");
+ 		return ($gradingkey);
+ 	    } else {
+ 		return (undef,'lock_failed');
+ 	    }
+ 	}
+ 	#otherwise (defined($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'}));
+     }
      my $queue=$env{'form.queue'};
      if (!defined($queue)) {
  	$env{'form.queue'}=$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.terminated'}) {
+                     return (undef, 'terminated');
+ 		} elsif ($env{'form.next'}) {
+ 		    return (undef,'select_user');
+ 		}
+ 	    }
+ 	    return ($gradingkey,'selected');
+ 	} else {
+ 	    return (undef,'select_user');
+ 	}
+     }
      if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
  	&& !defined($env{'form.gradingaction'})
  	&& $env{'form.queuemode'} eq 'selected') {
  	my $who=&queue_key_locked($queue,$gradingkey);
- 	my $me=$env{'user.name'}.'@'.$env{'user.domain'};
  	if ($who eq $me) {
  	    &Apache::lonxml::debug("Found a key was given to me");
  	    return ($gradingkey,'selected');
- Line 429  sub get_key_todo {
+ Line 1160  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'} || $env{'form.terminated'})
+ 	      && $target eq 'webgrade')
  	    && !$env{'form.gradingaction'}) {
  	    &Apache::lonxml::debug("Getting anew $queue");
  	    return (&get_from_queue($queue));
  	} else {
- 	    return (undef,'stop');
+             if ($env{'form.terminated'}) {
+                 return (undef,'terminated');
+             } else {
+                 return (undef,'stop');
+             }
  	}
      }
      return (undef,undef)
  }
+ sub minimize_storage {
+     foreach my $key (keys(%Apache::lonhomework::results)) {
+ 	if ($key =~ /regrader$/) { next; }
+ 	if ($Apache::lonhomework::results{$key} eq
+ 	    $Apache::lonhomework::history{$key}) {
+ 	    delete($Apache::lonhomework::results{$key});
+ 	}
+     }
+ }
  sub end_Task {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
      my $result='';
- Line 447  sub end_Task {
+ Line 1193  sub end_Task {
      my ($version,$previous)=&get_version();
      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
  	$target eq 'tex') {
- 	if (
+ 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
- 	    (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
- 	    ($target eq 'answer') || ($target eq 'tex')
- 	   ) {
  	    if ($target eq 'web') {
- 		if ($status eq 'CAN_ANSWER' && !$previous) {
+ 		if (&show_task($status,$previous)) {
- 		    $result.="\n".'<table border="1">'.
+ 		    $result.=&Apache::lonxml::endredirection();
+ 		}
+ 		if ($status eq 'CAN_ANSWER' && !$previous &&
+ 		    !$env{'form.donescreen'}) {
+                     my ($portheader,$porttext);
+                     if ($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"}) {
+                         $portheader = &mt('Submit Additional Portfolio Files for Grading');
+                         $porttext = &mt('Indicate which additional files from your portfolio are to be evaluated in grading this task.');
+                     } else {
+                         $portheader = &mt('Submit Portfolio Files for Grading');
+                         $porttext = &mt('Indicate the files from your portfolio to be evaluated in grading this task.');
+                     }
+ 		    $result.="\n".'<div>'.&Apache::lonhtmlcommon::start_pick_box().
  			&Apache::inputtags::file_selector("$version.0",
  							  "bridgetask","*",
- 							  'portfolioonly').
+ 							  'portfolioonly',
- 							  "</table>";
+                                                           '<h3>'.$portheader.'</h3><br />'.
- 		    $result.=&Apache::inputtags::gradestatus('0');
+                                                           $porttext.'<br />').
+ 			&Apache::lonhtmlcommon::end_pick_box().'</div>';
  		}
- 	    }
+ 		if (!$previous && $status ne 'SHOW_ANSWER' &&
- 	    if ($target eq 'web' || $target eq 'webgrade') {
+ 		    &show_task($status,$previous)) {
- 		$result.=&Apache::lonxml::xmlend().'</html>';
+ 		    $result.=&Apache::inputtags::gradestatus('0',$target,1);
- 	    }
+ 		}
+ 		$result.='</form>';
+ 		if (!$previous && $status ne 'SHOW_ANSWER' &&
+ 		    &show_task($status,$previous)) {
+ 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
+                     my $donetext = &mt('Done');
+ 		    $result.=<<DONEBUTTON;
+ <form name="done" method="post" action="$action">
+    <input type="hidden" name="donescreen" value="1" />
+    <input type="submit" value="$donetext" />
+ </form>
+ DONEBUTTON
+                 }
+ 		if (&show_task($status,$previous) &&
+ 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
+ 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
+ 		    my $title=&Apache::lonnet::gettitle($env{'request.uri'});
+ 		    my $start_time;
+ 		    my $slot_name=
+ 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
+ 		    if ($slot_name) {
+ 			my %slot=&Apache::lonnet::get_slot($slot_name);
+ 			$start_time=$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 LC_task_overall_status'>\n\t";
+ 		    my $dim = $top;
+ 		    my %counts = &get_counts($dim,undef,$parstack,
+ 					     $safeeval);
+ 		    my $question_status ="\n\t<p>".
+ 			&question_status_message(\%counts,-1).
+ 			"</p>\n";
+ 		    if ($bt_status eq 'pass')  {
+ 			$status.='<h2>'
+                                 .&mt('You passed the [_1] given on [_2].',$title,$start_time)
+                                 .'</h2>';
+ 			$status.=$question_status;
+ 		    }
+ 		    if ($bt_status eq 'fail')  {
+ 			$status.='<h2>'
+                                 .&mt('You did not pass the [_1] given on [_2].',$title,$start_time)
+                                 .'</h2>';
+ 			$status.=$question_status;
+ 			if (!$previous) {
+ 			    $status.=&add_request_another_attempt_button();
+ 			}
+ 		    }
+ 		    $status.="\n".'</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/;
+ 		}
+ 		$result.="\n</div>\n".
+ 		    &Apache::loncommon::end_page({'discussion' => 1});
+ 	    } elsif ($target eq 'answer') {
+                 $result.="\n</div>\n";
+             }
+ 	}
+ 	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'} && !$previous) {
+ 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous
+ 	    && $status eq 'CAN_ANSWER') {
  	    my $award='SUBMITTED';
+             my $uploadedflag=0;
+             my $totalsize=0;
+             my @deletions = &Apache::loncommon::get_env_multiple('form.HWFILE'.$version.'_0_bridgetask_delete');
  	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
- 						    'portfiles',\$award);
+ 						    \$award,\$uploadedflag,\$totalsize,\@deletions);
  	    if ($award eq 'SUBMITTED' &&
  		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
  		$Apache::lonhomework::results{"resource.0.tries"}=
- Line 478  sub end_Task {
+ Line 1329  sub end_Task {
  		$Apache::lonhomework::results{"resource.0.award"}=
  		    $Apache::lonhomework::results{"resource.$version.0.award"}=
  		    $award;
+ 		$Apache::lonhomework::results{"resource.0.submission"}=
+ 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
+ 	    } else {
+                 unless($uploadedflag) {
+                     delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
+                 }
+ 		$award = '';
  	    }
  	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
  	    &Apache::structuretags::finalize_storage();
  	    if ($award eq 'SUBMITTED') {
- 		&add_to_queue('gradingqueue',$Apache::inputtags::slot_name);
+ 		&add_to_queue('gradingqueue',\%queue_data);
  	    }
  	}
- 	if ($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 494  sub end_Task {
+ Line 1357  sub end_Task {
  	    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.$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 {
+ 		    $ungraded++;
+ 		}
  	    }
  	    if ($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.grader'}=
+ 	    $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.status"}='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('gradingqueue','reviewqueue');
- 		}
  	    } elsif ($ungraded) {
- 		$Apache::lonhomework::results{"resource.$version.status"}='ungraded';
+ 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
- 		# FIXME if in review queue need to move back to grading queue
- 		if ($env{'form.queue'} eq 'reviewqueue') {
- 		    &Apache::lonxml::debug("moving back.");
- 		    &move_between_queues('reviewqueue','gradingqueue');
- 		} else {
- 		    &check_queue_unlock($env{'form.queue'});
- 		}
  	    } elsif ($mandatory_failed) {
- 		$Apache::lonhomework::results{"resource.$version.status"}='fail';
+ 		$Apache::lonhomework::results{"resource.$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,$uname)=&Apache::lonnet::whichuser();
+ 		if ($env{'form.regrade'} ne 'yes') {
+ 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
+ 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
+ 		    &Apache::grades::version_portfiles(
+ 						       \%Apache::lonhomework::results,
+ 						       ["$version.0.bridgetask"],$courseid,
+ 						       $symb,$udom,$uname,
+ 						       ["$version.0.bridgetask"]);
+ 		}
  	    } else {
- 		$Apache::lonhomework::results{"resource.$version.status"}='pass';
+ 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
  		$Apache::lonhomework::results{"resource.$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,$uname)=&Apache::lonnet::whichuser();
+ 		if ($env{'form.regrade'} ne 'yes') {
+ 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
+ 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
+ 		    &Apache::grades::version_portfiles(
+ 						       \%Apache::lonhomework::results,
+ 						       ["$version.0.bridgetask"],$courseid,
+ 						       $symb,$udom,$uname,
+ 						       ["$version.0.bridgetask"]);
+ 		}
  	    }
- 	    $Apache::lonhomework::results{"resource.status"}=
+ 	    $Apache::lonhomework::results{"resource.0.status"}=
- 		$Apache::lonhomework::results{"resource.$version.status"};
+ 		$Apache::lonhomework::results{"resource.$version.0.status"};
  	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
  		$Apache::lonhomework::results{"resource.0.award"}=
- 		    $Apache::lonhomework::results{"resource.$version.award"};
+ 		    $Apache::lonhomework::results{"resource.$version.0.award"};
  		$Apache::lonhomework::results{"resource.0.awarded"}=
- 		    $Apache::lonhomework::results{"resource.$version.awarded"};
+ 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
  		$Apache::lonhomework::results{"resource.0.solved"}=
- 		    $Apache::lonhomework::results{"resource.$version.solved"};
+ 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
  	    }
+ 	    &minimize_storage();
+             my ($canstore,$domain,$name,$symb,$courseid);
+             ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
+             if ($env{'form.gradingkey'}) {
+                 my $todo=&unescape($env{'form.gradingkey'});
+                 my ($keysymb,$uname,$udom)=&decode_queue_key($todo);
+                 if ($symb eq $keysymb) {
+                     if (($domain eq $udom) && ($name eq $uname)) {
+                         $canstore = 1;
+                     }
+                 }
+             }
+             if ($canstore) {
+ 	        &Apache::structuretags::finalize_storage();
+                 my @interval = &Apache::lonnet::EXT("resource.0.interval");
+                 if ($interval[0] =~ /^\d+/ && $interval[1] eq 'resource') {
+                     my $key=$courseid."\0".$symb;
+                     my %times=&Apache::lonnet::get('firstaccesstimes',
+                                                    [$key],$domain,$name);
+                     if ($times{$key}) {
+                         my $delresult.=&Apache::lonnet::del('firstaccesstimes',
+                                                             [$key],$domain,$name);
+                     }
+                 }
+ 	        # 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($env{'form.queue'});
+ 	        }
+             } else {
+                 &check_queue_unlock($env{'form.queue'});
+                 $env{'form.terminated'} = $name.':'.$domain;
+             }
+         }
+ 	if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
+ 	    # instance generation occurred and hasn't yet been stored
  	    &Apache::structuretags::finalize_storage();
  	}
      } elsif ($target eq 'webgrade') {
- 	$result.="</table>\n<hr />";
+ 	if (&nest()) {
+ 	    &Apache::lonxml::endredirection();
+ 	    &end_delay();
+ 	    $result.=$dimension{$top}{'result'};
+ 	} else {
+ 	    $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);
+ 		if ($result =~ m/\Q$internal_location\E/) {
+ 		    $result=~s/\Q$internal_location\E/$criteria/;
+ 		} else {
+ 		    $result.=$criteria;
+ 		}
+ 	    }
+ 	}
+         $result.="</div>";
  	#$result.='<input type="submit" name="next" value="'.
  	#    &mt('Save &amp; Next').'" /> ';
  	#$result.='<input type="submit" name="end" value="'.
- Line 567  sub end_Task {
+ Line 1533  sub end_Task {
  	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
  	#$result.='<input type="submit" name="save" value="'.
  	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
- 	$result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
+ 	$result.='</form>'."\n</div>\n</div>\n".
+ 	    &Apache::loncommon::end_page();
      } elsif ($target eq 'meta') {
- 	$result.='<parameter part="0" package="Task"></parameter>'."\n";
+ 	$result.=&Apache::response::meta_package_write('Task');
- 	#$result.=&Apache::response::meta_part_order();
+         $result.=&Apache::response::meta_stores_write('solved','string',
- 	#$result.=&Apache::response::meta_response_order();
+ 						      'Problem Status');
+ 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
+ 						      'Number of Attempts');
+ 	$result.=&Apache::response::meta_stores_write('awarded','float',
+ 						      'Partial Credit Factor');
+ 	$result.=&Apache::response::meta_stores_write('status','string',
+ 						      'Bridge Task Status');
+     } elsif ($target eq 'edit') {
+ 	$result.= &Apache::structuretags::problem_edit_footer();
      }
+     &Apache::structuretags::reset_problem_globals('Task');
      undef($Apache::lonhomework::parsing_a_task);
+     if ( ($target eq 'grade' && $env{'form.webgrade'}) ||
+           $target eq 'webgrade') {
+         delete($env{'form.grade_symb'});
+         delete($env{'form.grade_domain'});
+         delete($env{'form.grade_username'});
+         delete($env{'form.grade_courseid'});
+     }
      return $result;
  }
  sub move_between_queues {
      my ($src_queue,$dest_queue)=@_;
-     my $cur_data=&get_queue_data($src_queue);
+     my $cur_data;
-     if (!$cur_data) { return 'not_exist'; }
+     if ($src_queue ne 'none') {
-     my $result=&add_to_queue($dest_queue,$cur_data->[0]);
+ 	$cur_data=&get_queue_data($src_queue);
+ 	if (!$cur_data) { return 'not_exist'; }
+     } else {
+ 	$cur_data = ['none'];
+     }
+     my $result=&add_to_queue($dest_queue,$cur_data);
      if ($result ne 'ok') {
  	return $result;
      }
- Line 591  sub move_between_queues {
+ Line 1579  sub move_between_queues {
  sub check_queue_unlock {
      my ($queue,$key,$allow_not_me)=@_;
-     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     if ($queue eq 'none') { return 'ok'; }
+     my ($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 $me");
- Line 608  sub check_queue_unlock {
+ Line 1598  sub check_queue_unlock {
      return 'not_owner';
  }
+ sub in_queue {
+     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
+     if ($queue eq 'none') { return 0; }
+     if (!defined($symb) || !defined($cdom) || !defined($cnum)
+ 	|| !defined($udom) || !defined($uname)) {
+ 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
+ 	$cnum=$env{'course.'.$cid.'.num'};
+ 	$cdom=$env{'course.'.$cid.'.domain'};
+     }
+     my $key=&encode_queue_key($symb,$udom,$uname);
+     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
+     if (defined($results{$key})) {
+ 	return 1;
+     }
+     return 0;
+ }
  sub remove_from_queue {
-     my ($queue)=@_;
+     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
-     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     if ($queue eq 'none') { return 'ok'; }
-     my $cnum=$env{'course.'.$cid.'.num'};
+     if (!defined($symb) || !defined($cdom) || !defined($cnum)
-     my $cdom=$env{'course.'.$cid.'.domain'};
+ 	|| !defined($udom) || !defined($uname)) {
-     my $key="$symb\0queue\0$uname\@$udom";
+ 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
+ 	$cnum=$env{'course.'.$cid.'.num'};
+ 	$cdom=$env{'course.'.$cid.'.domain'};
+     }
+     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
+ 	return 'ok';
+     }
+     my $key=&encode_queue_key($symb,$udom,$uname);
      my @keys=($key,"$key\0locked");
      return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
  }
- Line 630  sub setup_env_for_other_user {
+ Line 1646  sub setup_env_for_other_user {
  }
  sub get_queue_data {
-     my ($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 $value;
- Line 642  sub get_queue_data {
+ Line 1662  sub get_queue_data {
      return undef;
  }
+ sub check_queue_for_key {
+     my ($cdom,$cnum,$queue,$todo)=@_;
+     my %results=
+ 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
+     if (exists($results{$todo}) && ref($results{$todo})) {
+ 	if (defined($results{"$todo\0locked"})) {
+ 	    return 'locked';
+ 	}
+ 	if (my $slot=&slotted_access($results{$todo})) {
+ 	    my %slot_data=&Apache::lonnet::get_slot($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 ($due_date > time) {
+ 		return 'in_progress';
+ 	    }
+ 	}
+ 	return 'enqueued';
+     }
+     return undef;
+ }
  sub add_to_queue {
-     my ($queue,$slot_name)=@_;
+     my ($queue,$user_data)=@_;
-     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     if ($queue eq 'none') { return 'ok'; }
+     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"}=[$slot_name];
+     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
-     return &Apache::lonnet::put($queue,\%data,$cdom,$cnum);
+     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($sections) && !grep {$_ eq 'all'} (@{ $sections })) {
+ 	foreach my $student (keys(%$classlist)) {
+ 	    my $section  =
+ 		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
+ 	    if (! grep {$_ eq $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 = &get_allowed_sections();
+     my $classlist = &get_limited_classlist(\@chosen_sections);
+     if (!(grep(/^all$/,@chosen_sections))) {
+ 	$result.='<p>'
+                 .&mt('Showing only sections [_1].'
+                     ,'<tt>'.join(', ',@chosen_sections).'</tt>')
+                 ."</p>\n";
+     }
+     my ($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);
+ 	}
+     }
+     $result .=
+ 	'<p><a href="/adm/flip?postdata=return:">'.
+ 	&mt('Return to resource').'</a></p><hr />'.
+ 	"\n<h3>".&mt('Current Queue - [_1]',$queue)."</h3>";
      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>";
+ 	$result.=
+ 	    &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();
+ 	return $result;
      }
-     $result.="\n<h3>Current Queue - $queue </h3><table border='1'><tr>";
+     my $title=&Apache::lonnet::gettitle($symb);
-     if ($with_selects) { $result.="<th></th>"; }
+     $result.=
-     $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
+ 	&Apache::loncommon::start_data_table().
+ 	&Apache::loncommon::start_data_table_header_row();
+     if ($with_selects) { $result.='<th>'.&mt('Status').'</th><th></th>'; }
+     $result.='<th>'.&mt('User').'</th><th>'.&mt('Data').'</th>'.
+ 	&Apache::loncommon::end_data_table_header_row();
      foreach my $key (sort(keys(%queue))) {
+ 	my ($symb,$uname,$udom) = &decode_queue_key($key);
+ 	next if (!defined($classlist->{$uname.':'.$udom}));
+ 	next if (!&allow_grade_user($classlist->{$uname.':'.$udom}));
+ 	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) {
- 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
+ 	    $result.= &Apache::loncommon::start_data_table_row().
- 	    my $title=&Apache::lonnet::gettitle($symb);
+ 		"<td>$uname</td>";
- 	    $result.="<tr><td>$title</td><td>$uname</td>";
+ 	    $result.='<td>'.$queue{$key}.'</td></tr>';
- 	    $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
  	} elsif ($key=~/timestamp$/ && !$with_selects) {
- 	    my ($symb,undef) = split("\0",$key);
+ 	    $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
- 	    my $title=&Apache::lonnet::gettitle($symb);
+ 	    $result.='<td>'.
- 	    $result.="<tr><td>$title</td><td></td>";
- 	    $result.='<td>last queue modification time</td><td>'.
  		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
  	} elsif ($key!~/(timestamp|locked)$/) {
- 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
+ 	    $result.= &Apache::loncommon::start_data_table_row();
- 	    my $title=&Apache::lonnet::gettitle($symb);
+ 	    my ($end_time,$slot_text);
- 	    $result.="<tr>";
+ 	    if (my $slot=&slotted_access($queue{$key})) {
- 	    my $slot=$queue{$key}->[0];
+ 		my %slot_data=&Apache::lonnet::get_slot($slot);
- 	    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)=('select',&mt('Select'));
+ 		my ($action,$description,$status)=('select',&mt('Select'));
  		if (exists($queue{"$key\0locked"})) {
- 		    my $me=$env{'user.name'}.'@'.$env{'user.domain'};
+ 		    my ($locker,$time) =
- 		    if ($me eq $queue{"$key\0locked"}) {
+ 			&get_lock_info($queue{"$key\0locked"});
+ 		    if ($time) {
+ 			$time =
+ 			    &Apache::lonnavmaps::timeToHumanString($time,
+ 								   'start');
+ 		    }
+ 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
+ 		    $status=&mt('Locked by [_1] [_2]','<tt>'.$locker.'</tt>',$time);
+ 		    if ($me eq $locker) {
  			($action,$description)=('resume',&mt('Resume'));
  		    } else {
  			($action,$description)=('unlock',&mt('Unlock'));
  		    }
  		}
- 		if (time > $slot_data{'endtime'}) {
+ 		my $seclist;
+ 		foreach my $sec (@chosen_sections) {
+ 		    $seclist.='<input type="hidden" name="chosensections"
+                                value="'.$sec.'" />';
+ 		}
+ 		if ($can_view && ($end_time ne '' && time > $end_time)) {
  		    $result.=(<<FORM);
+ <td>$status</td>
  <td>
- <form method="POST">
+ <form style="display: inline" method="post" action="">
   <input type="hidden" name="gradingkey" value="$ekey" />
   <input type="hidden" name="queue" value="$queue" />
   <input type="hidden" name="gradingaction" value="$action" />
   <input type="hidden" name="webgrade" value="no" />
   <input type="hidden" name="queuemode" value="selected" />
   <input type="submit" name="submit" value="$description" />
+  $seclist
  </form>
  </td>
  FORM
+                 } elsif (!$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>'
  		}
  	    }
- 	    $result.="<td>$title</td><td>$uname</td>";
+ 	    $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
- 	    $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.
+ 		" <tt>($uname:$udom)</tt> </td>";
- 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
+             $result.='<td>'.$slot_text.' '
- 		"</td></tr>";
+                     .&mt('End time: [_1]'
+                         ,&Apache::lonlocal::locallocaltime($end_time))
+                     .'</td>'
+                     .&Apache::loncommon::end_data_table_row();
  	}
      }
-     $result.="</table><hr />\n";
+     $result.= &Apache::loncommon::end_data_table()."<hr />\n";
      return $result;
  }
+ sub get_allowed_sections {
+     my @chosen_sections;
+     if (&section_restricted()) {
+ 	@chosen_sections = ($env{'request.course.sec'});
+     } else {
+ 	@chosen_sections =
+ 	    &Apache::loncommon::get_env_multiple('form.chosensections');
+     }
+     return @chosen_sections;
+ }
+ sub section_restricted {
+     my $cid =(&Apache::lonnet::whichuser())[1];
+     return (lc($env{'course.'.$cid.'.task_grading'}) eq 'section'
+ 	    && $env{'request.course.sec'} ne '' );
+ }
+ sub allow_grade_user {
+     my ($classlist_entry) = @_;
+     if (&section_restricted()
+ 	&& $env{'request.course.sec'} ne
+ 	      $classlist_entry->[&Apache::loncoursedata::CL_SECTION()]) {
+ 	return 0;
+     }
+     return 1;
+ }
  sub get_queue_counts {
      my ($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 ($tmp)=%queue;
      if ($tmp=~/^error: 2 /) {
  	return (0,0,0);
      }
      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($key);
+ 	next if (!defined($classlist->{$uname.':'.$udom}));
+ 	next if (!&allow_grade_user($classlist->{$uname.':'.$udom}));
  	if ($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{$key})) {
- 	    my %slot_data=&Apache::lonnet::get_slot($slot);
+ 		if (!exists($slot_cache{$slot})) {
- 	    if (time > $slot_data{'endtime'}) {
+ 		    my %slot_data=&Apache::lonnet::get_slot($slot);
- 		$ready_to_grade++;
+ 		    $slot_cache{$slot} = \%slot_data;
+ 		}
+ 		if (time > $slot_cache{$slot}{'endtime'}) {
+ 		    $ready_to_grade++;
+ 		}
+ 	    } else {
+ 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
+ 		if ($due_date ne '' && time > $due_date) {
+ 		    $ready_to_grade++;
+ 		}
  	    }
  	}
      }
      return ($entries,$ready_to_grade,$locks);
  }
+ sub encode_queue_key {
+     my ($symb,$udom,$uname)=@_;
+     return "$symb\0queue\0$uname:$udom";
+ }
  sub decode_queue_key {
      my ($key)=@_;
      my ($symb,undef,$user) = split("\0",$key);
-     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.'.$cid.'.domain'};
      }
      my ($key_locked,$value)=
  	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
      if ($key_locked eq "$key\0locked") {
- 	return $value;
+ 	return &get_lock_info($value);
+     }
+     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);
+ 	next if (!defined($classlist->{$uname.':'.$udom}));
+ 	next if (!&allow_grade_user($classlist->{$uname.':'.$udom}));
  	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 $due_date");
+ 		next;
+ 	    }
  	}
- 	if (&queue_key_locked($queue,$key,$cdom,$cnum)) {
+ 	if (exists($queuedata->{"$key\0locked"})) {
  	    &Apache::lonxml::debug("someone already has um.");
  	    next;
  	}
- 	return $key;
+ 	push(@possible,[$key,$end_time]);
+     }
+     if (@possible) {
+         # sort entries in order by slot end time
+ 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
+ 	# pick one of the entries in the top 10% in small queues and one
+ 	# of the first ten entries in large queues
+ 	#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 $possible[0][0];
      }
      return undef;
  }
+ sub get_lock_info {
+     my ($lock_info) = @_;
+     if (wantarray) {
+ 	if (ref($lock_info) eq 'ARRAY') {
+ 	    return @{$lock_info};
+ 	} else {
+ 	    return ($lock_info);
+ 	}
+     } else {
+ 	if (ref($lock_info) eq 'ARRAY') {
+ 	    return $lock_info->[0];
+ 	} else {
+ 	    return $lock_info;
+ 	}
+     }
+     return;
+ }
  sub find_mid_grade {
      my ($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 814  sub find_mid_grade {
+ Line 2081  sub find_mid_grade {
      my $regexp="^$symb\0.*\0locked\$";
      my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
      foreach my $key (keys(%locks)) {
- 	my $who=$locks{$key};
+ 	my $who= &get_lock_info($locks{$key});
  	if ($who eq $me) {
  	    $todo=$key;
  	    $todo=~s/\0locked$//;
- Line 826  sub find_mid_grade {
+ Line 2093  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},
+     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> [$me,time]},
  					$cdom,$cnum);
      &Apache::lonxml::debug("success $success $todo");
      if ($success eq 'ok') {
- Line 839  sub lock_key {
+ Line 2106  sub lock_key {
      return 0;
  }
+ sub get_queue_symb_status {
+     my ($queue,$symb,$cdom,$cnum) = @_;
+     if (!defined($cdom) || !defined($cnum)) {
+ 	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 ($tmp)=%queue;
+     if ($tmp=~/^error: 2 /) { return; }
+     my @users;
+     foreach my $key (sort(keys(%queue))) {
+ 	next if ($key=~/locked$/);
+ 	next if ($key=~/timestamp$/);
+ 	my ($symb,$uname,$udom) = &decode_queue_key($key);
+ 	next if (!defined($classlist->{$uname.':'.$udom}));
+ 	next if (!&allow_grade_user($classlist->{$uname.':'.$udom}));
+ 	push(@users,"$uname:$udom");
+     }
+     return @users;
+ }
  sub get_from_queue {
      my ($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
+ 	    return (undef,'unable');
+ 	}
  	my $starttime=time;
- 	&Apache::lonnet::put($queue,{"$symb\0timestamp"=>$starttime},
+ 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
- 			     $cdom,$cnum);
+ 			      $cdom,$cnum);
  	&Apache::lonxml::debug("$starttime");
  	my $regexp="^$symb\0queue\0";
+ 	#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,$env{'request.course.sec'},
+ 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
- 					\%queue,$cdom,$cnum);
+ 					$classlist);
  	    &Apache::lonxml::debug("no sce $todo");
  	}
  	# no user to grade
- Line 875  sub get_from_queue {
+ Line 2177  sub get_from_queue {
  	&Apache::lonxml::debug("got $todo");
  	# otherwise found someone so lets try to lock them
  	# unless someone else already picked them
- 	if (!&lock_key($queue,$todo)) { next; }
+ 	if (!&lock_key($queue,$todo)) {
+ 	    $attempts++;
+ 	    next;
+ 	}
  	my (undef,$endtime)=
  	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
  				 $cdom,$cnum);
- Line 894  sub get_from_queue {
+ Line 2199  sub get_from_queue {
  		&Apache::lonnet::del($queue,["$todo\0locked"],
  				     $cdom,$cnum);
  		&Apache::lonxml::debug("del");
+ 		$attempts++;
  		next;
  	    }
  	}
- Line 903  sub get_from_queue {
+ Line 2209  sub get_from_queue {
      return $todo;
  }
+ sub select_user {
+     my ($symb,$cid)=&Apache::lonnet::whichuser();
+     my @chosen_sections = &get_allowed_sections();
+     my $classlist = &get_limited_classlist(\@chosen_sections);
+     my $result;
+     if (!(grep(/^all$/,@chosen_sections))) {
+         $result.='<p>'
+                 .&mt('Showing only sections [_1].'
+                     ,'<tt>'.join(', ',@chosen_sections).'</tt>')
+                 .'</p> '."\n";
+     }
+     $result.=&Apache::loncommon::start_data_table();
+     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'};
+ 	my $cdom=$env{'course.'.$cid.'.domain'};
+ 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
+ 					 'Task');
+ 	my $queue = 'none';
+ 	my $cannot_grade;
+ 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
+ 	    $queue = 'reviewqueue';
+ 	    if ($status{'reviewqueue'} eq 'in_progress') {
+ 		$cannot_grade=1;
+ 	    }
+ 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
+ 	    $queue = 'gradingqueue';
+ 	    if ($status{'gradingqueue'} eq 'in_progress') {
+ 		$cannot_grade=1;
+ 	    }
+ 	}
+ 	my $todo =
+ 	    &escape(&encode_queue_key($symb,$udom,$uname));
+ 	if ($cannot_grade) {
+ 	    $result.=&Apache::loncommon::start_data_table_row().
+ 		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
+ 		'</td><td>';
+ 	} else {
+ 	    my $seclist;
+ 	    foreach my $sec (@chosen_sections) {
+ 		$seclist.='<input type="hidden" name="chosensections"
+                                value="'.$sec.'" />';
+ 	    }
+             my $buttontext=&mt('Regrade');
+ 	    $result.=&Apache::loncommon::start_data_table_row();
+ 	    $result.=<<RESULT;
+   <td>
+     <form style="display: inline" method="post" action="">
+       <input type="hidden" name="gradingkey" value="$todo" />
+       <input type="hidden" name="queue" value="$queue" />
+       <input type="hidden" name="webgrade" value="no" />
+       <input type="hidden" name="regrade" value="yes" />
+       <input type="submit" name="submit" value="$buttontext" />
+       $seclist
+     </form>
+   <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt> Sec: $classlist->{$student}[&Apache::loncoursedata::CL_SECTION()]</td>
+   <td>
+ RESULT
+         }
+         if ($status{'status'} eq 'pass') {
+ 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
+ 	} elsif ($status{'status'} eq 'fail') {
+ 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
+ 	} elsif ($status{'status'} eq 'review') {
+ 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
+ 	} elsif ($status{'status'} eq 'ungraded') {
+ 	    $result .= &mt('Ungraded');
+ 	} elsif ($status{'status'} ne '') {
+ 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
+ 	} else {
+ 	    $result.="&nbsp;";
+ 	}
+ 	if ($status{'version'}) {
+ 	    $result .= ' '.&mt('Version').' '.$status{'version'};
+ 	}
+ 	if ($status{'grader'}) {
+ 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
+ 	}
+ 	$result.= '</td><td>';
+ 	if ($status{'reviewqueue'} eq 'enqueued') {
+ 	    $result .= &mt('Awaiting Review');
+ 	} elsif ($status{'reviewqueue'} eq 'locked') {
+ 	    $result .= &mt('Under Review');
+ 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
+ 	    $result .= &mt('Still being worked on.');
+ 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
+ 	    $result .= &mt('Awaiting Grading');
+ 	} elsif ($status{'gradingqueue'} eq 'locked') {
+ 	    $result .= &mt('Being Graded');
+ 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
+ 	    $result .= &mt('Still being worked on.');
+ 	} else {
+ 	    $result.="&nbsp;";
+ 	}
+ 	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
+     }
+     $result.=&Apache::loncommon::end_data_table();
+     return $result;
+ }
+ sub get_student_status {
+     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
+     my %status;
+     if ($type eq 'Task') {
+ 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
+ 					  $udom,$uname);
+ 	$status{'status'}=$record{'resource.0.status'};
+ 	$status{'version'}=$record{'resource.0.version'};
+ 	$status{'grader'}=$record{'resource.0.regrader'};
+     }
+     $status{'reviewqueue'}=
+ 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
+ 			     &encode_queue_key($symb,$udom,$uname));
+     $status{'gradingqueue'}=
+ 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
+ 			     &encode_queue_key($symb,$udom,$uname));
+     return %status;
+ }
  sub start_ClosingParagraph {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
      my $result;
      if ($target eq 'web') {
      } elsif ($target eq 'webgrade') {
  	&Apache::lonxml::startredirection();
+     } elsif ($target eq 'edit') {
+ 	$result = &Apache::edit::tag_start($target,$token);
+     } elsif ($target eq 'modified') {
      }
      return $result;
  }
- Line 923  sub end_ClosingParagraph {
+ Line 2357  sub end_ClosingParagraph {
      return $result;
  }
+ sub insert_ClosingParagraph {
+     return '
+ <ClosingParagraph>
+     <startouttext />
+     <endouttext />
+ </ClosingParagraph>';
+ }
+ 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,$safeeval);
+     return &Apache::lonxml::get_id($parstack,$safeeval);
-     if (!$id) { $id=$Apache::lonxml::curdepth; }
-     return $id;
  }
- my %dimension;
+ sub start_Setup {
- sub start_Dimension {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-     undef(%dimension);
+     my $result;
-     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);
+     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
-     undef(@Apache::bridgetask::instance);
+ 	&Apache::lonxml::startredirection();
-     $Apache::bridgetask::dimensionmandatory{$dim_id}=
+     } elsif ($target eq 'edit') {
- 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ 	$result = &Apache::edit::tag_start($target,$token);
+ 	$result.= &Apache::edit::text_arg('Id:','id',$token,10).
+ 	    &Apache::edit::end_row().
+ 	    &Apache::edit::start_spanning_row();
+     } elsif ($target eq 'modified') {
+ 	my $constructtag=
+ 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,'id');
+ 	if ($constructtag) {
+ 	    $result = &Apache::edit::rebuild_tag($token);
+ 	}
+     }
+     return $result;
+ }
+ {
+     my @allowed;
+     sub enable_dimension_parsing {
+ 	my ($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;
+     my $result;
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+ 	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;
+ 	    $dimension{$dim}{'depth'} = 1 + $dimension{$previous_dim}{'depth'};
+ 	    &Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
+ 	} else {
+ 	    $dimension{$top}{'depth'}=0;
+ 	    $dimension{$top}{'criteria.'.$dim.'.type'}='dimension';
+ 	    $dimension{$top}{'criteria.'.$dim.'.mandatory'}=
+ 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ 	    push(@{$dimension{$top}{'criterias'}},$dim);
+ 	    $dimension{$dim}{'nested'}=$top;
+ 	}
+         push(@Apache::bridgetask::dimension,$dim);
+ 	&Apache::lonxml::startredirection();
+ 	if (!&skip_dimension_parsing($dim)) {
+ 	    &enable_dimension_parsing($dim);
+ 	}
+     } elsif ($target eq 'edit') {
+   	$result = &Apache::edit::tag_start($target,$token);
+ 	$result.=
+ 	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
+ 	    &Apache::edit::select_arg('Passing is Mandatory:','Mandatory',
+ 				      [['Y', 'Yes'],
+ 				       ['N','No'],],
+ 				      $token).' <br /> '.
+ 	    &Apache::edit::text_arg('Required number of passed optional elements to pass the '.$token->[1].':',
+ 				    'OptionalRequired',$token,4).
+ 	    &Apache::edit::end_row().
+ 	    &Apache::edit::start_spanning_row();
+     } elsif ($target eq 'modified') {
+ 	my $constructtag=
+ 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
+ 					'id','Mandatory','OptionalRequired');
+ 	if ($constructtag) {
+ 	    $result = &Apache::edit::rebuild_tag($token);
+ 	}
+     }
+     return $result;# &internal_location($dim);
+ }
+ sub start_QuestionText {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     my $result;
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+ 	my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
+     my $dim = &get_dim_id();
+ 	$dimension{$dim}{'questiontext'}=$text;
+     } elsif ($target eq 'edit') {
+ 	$result = &Apache::edit::tag_start($target,$token);
+     } elsif ($target eq 'modified') {
+     }
+     return $result;
+ }
+ sub end_QuestionText {
      return '';
  }
- sub get_instance {
+ sub insert_QuestionText {
-     &Apache::response::pushrandomnumber();
+     return '
-     my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
+ <QuestionText>
-     my $num=@order;
+     <startouttext />
-     my $version=&get_version();
+     <endouttext />
-     my $which=($version-1)%$num;
+ </QuestionText>';
-     return $order[$which];
  }
- {
+ sub get_instance {
-     my $last_link;
+     my ($dim)=@_;
-     sub end_Dimension {
+     my $rand_alg=&Apache::lonnet::get_rand_alg();
- 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
- 	my $result;
+ 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
- 	my $dim=&get_id($parstack,$safeeval);
+ 	$rand_alg eq '64bit4' ) {
- 	my $instance=&get_instance();
+ 	&Apache::response::pushrandomnumber();
+ 	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
+ 	my $num=@order;
  	my $version=&get_version();
- 	if ($target eq 'web') {
+ 	my $which=($version-1)%$num;
- 	    $result=$dimension{'intro'}.$dimension{$instance.'.text'};
+ 	return $order[$which];
- 	    if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||
+     } else {
- 		$Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
+ 	my ($version,$previous) = &get_version();
- 		foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 	my $instance =
- 		    my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
+ 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
- 		    my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};
+ 	if (defined($instance)) { return $instance; }
- 		    $result.='<table border="1"><tr><td>';
- 		    if ($status eq 'fail') {
+ 	&Apache::response::pushrandomnumber();
- 			$result.='<font color="red">'.&mt('Did not pass').'</font>';
+ 	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
- 		    } elsif ($status eq 'pass') {
+ 	    my @instances = @{$dimension{$dim}{'instances'}};
- 			$result.='<font color="green">'.&mt('Passed').'</font>';
+ 	    # remove disabled instances
- 		    } else {
+ 	    for (my $i=0; $i < $#instances; $i++) {
- 			&Apache::lonxml::error("Student viewing a graded bridgetask was show a status of $status");
+ 		if ($dimension{$dim}{$instances[$i].'.disabled'}) {
+ 		    splice(@instances,$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;
+ 	    }
+ 	}
+ 	&Apache::response::poprandomnumber();
+ 	return $instance;
+     }
+ }
+ sub get_criteria {
+     my ($what,$version,$dim,$id) = @_;
+     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+     my $prefix = ($type eq 'criteria' && $dim ne $top) ? "$dim.$id"
+ 	                                               : "$id";
+     my $entry = "resource.$version.0.$prefix.$what";
+     if (exists($Apache::lonhomework::results{$entry})) {
+ 	return $Apache::lonhomework::results{$entry};
+     }
+     return $Apache::lonhomework::history{$entry};
+ }
+ sub link {
+     my ($id) = @_;
+     $id =~ s/\./_/g;
+     return 'LC_GRADING_criteria_'.$id;
+ }
+ sub end_Question { return &end_Dimension(@_); }
+ sub end_Dimension {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+     my $result;
+     my $dim=&get_id($parstack,$safeeval);
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+ 	$result=&Apache::lonxml::endredirection();
+ 	if (&skip_dimension_parsing($dim)) {
+ 	    pop(@Apache::bridgetask::dimension);
+ 	    return;
+ 	}
+     }
+     my $instance=&get_instance($dim);
+     my $version=&get_version();
+     if ($target eq 'web') {
+ 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
+ 	my @instances = $instance;
+ 	if (&Apache::response::showallfoils()) {
+ 	    @instances = @{$dimension{$dim}{'instances'}};
+ 	}
+ 	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});
  		    }
- 		    $result.='</td></tr><tr><td>';
+ 		}
- 		    if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {
+ 	    } else {
- 			$result.=&mt('Comment from grader: ').$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</td></tr><tr><td>';
+ 		my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
+ 		my $mandatory='Mandatory';
+ 		if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
+ 		    $mandatory='Optional';
+ 		}
+ 		my $dim_info=
+ 		    "\n<div class='LC_$dim_status LC_question_grade'>\n\t";
+ 		my $ucquestion =
+ 		    my $question =
+ 		    ('sub' x $dimension{$dim}{'depth'}).'question';
+ 		$ucquestion =~ s/^(.)/uc($1)/e;
+ 		if ($dim_status eq 'pass') {
+                     $dim_info.='<h3>'.$ucquestion.' : '
+                               .&mt('you passed this [_1] [_2]',$mandatory,$question)
+                               .'</h3>';
+ 		}
+ 		if ($dim_status eq 'fail') {
+                     $dim_info.='<h3>'.$ucquestion.' : '
+                               .&mt('you did not pass this [_1] [_2]',$mandatory,$question)
+                               .'</h3>';
+ 		}
+ 		my %counts = &get_counts($dim,$instance,$parstack,
+ 					 $safeeval);
+ 		$dim_info.="\n\t<p>"
+ 		    .&question_status_message(\%counts,
+ 					      $dimension{$dim}{'depth'})
+ 		    ."</p>\n</div>\n";
+ 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+ 				@{$dimension{$dim}{'criterias'}}) {
+ 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+ 		    if ($type eq 'dimension') {
+ 			if (defined($dimension{$id}{'result'})) {
+ 			    $result.=$dimension{$id}{'result'};
+ 			    next;
+ 			} else {
+ 			    $dim_info .=
+ 				&nested_parse(\$dimension{$dim}{'criteria.'.$id},
+ 					      [@_],{'set_dim_id' => $id});
+ 			}
+ 		    } else {
+ 			my $criteria =
+ 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
+ 					  [@_]);
+ 			$dim_info .= &layout_web_Criteria($dim,$id,$criteria);
  		    }
- 		    $result.=$dimension{$instance.'.criteria.'.$id}.
- 			'</td></tr></table>';
  		}
- 	    }
+ 		# puts the results at the end of the dimension
- 	} elsif ($target eq 'webgrade') {
+ 		if ($result =~m{<QuestionGradeInfo\s*/>}) {
- 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 		    $result=~s{<QuestionGradeInfo\s*/>}{$dim_info};
- 		my $link='criteria_'.$instance.'_'.$id;
+ 		} else {
- 		my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
+ 		    $result .= $dim_info;
- 		$result.='<tr><td width="100%" valign="top">'.
- 		    '<a name="'.$link.'" />'.
- 		    '<a name="next_'.$last_link.'" />'.
- 		    '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">'.$dimension{$instance.'.criteria.'.$id}.'</textarea>'.
- 		    #$dimension{$instance.'.criteria.'.$id}.
- 		    '</td>'.
- 		    '<td><nobr>Additional Comment for Student</nobr> <br />'.
- 		    '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}).'</textarea>'.
- 		    '</td>'.
- 		    '<td>'.
- 		    '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').'/>'.&mt('Ungraded').'</label></nobr><br />'.
- 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
- 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
- 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
- 		    '</td>'.
- 		    '<td>'.
- 		    '<a href="#'.$last_link.'">Prev</a><br />'.
- 		    '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
- 		    '<input type="submit" name="next" value="'.
- 		    &mt('Done').'" /> '.
- 		    '<input type="submit" name="stop" value="'.
- 		    &mt('Stop').'" /> '.
- 		    '</td></tr>';
- 		$result.='<tr><td colspan="4">';
- 		my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
- 		my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';
- 		foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.bridgetask.portfiles"})) {
- 		    my $file=$file_url.$partial_file;
- 		    &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
- 		    $result.='<a href="'.$file.'" target="lonGRDs"><img src="'.
- 			&Apache::loncommon::icon($file).'" border=0"> '.$file.
- 			'</a>';
  		}
- 		$result.='</td></tr>';
+ 		# puts the results at the beginning of the dimension
- 		$last_link=$link;
+ 		# my $internal_location=&internal_location($dim);
+ 		# $result=~s/\Q$internal_location\E/$dim_info/;
  	    }
- 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
+ 	}
- 	    my $optional_passed=0;
+ 	if ($result !~ /^\s*$/s) {
- 	    my $mandatory_failed=0;
+ 	    # FIXME? this maybe unneccssary in the future, (CSE101 BT
- 	    my $ungraded=0;
+ 	    # from Fall 2006 geenrate a div that attempts to hide some
- 	    my $review=0;
+ 	    # of the output in an odd way, this is a workaround so
- 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 	    # those old ones will continue to work.  # It puts the
- 		my $status=$Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
+ 	    # LC_question div to come after any starting closie div
- 		$Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
+ 	    # that the dimension produces
- 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
+ 	    if ($result =~ m{^\s*</div>}) {
- 		if ($status eq 'pass') {
+ 		$result =~ s{^(\s*</div>)}
- 		    if (!$mandatory) { $optional_passed++; }
+ 		            {$1\n<div id="$dim" class="LC_question">};
- 		} elsif ($status eq 'fail') {
+ 	    } else {
- 		    if ($mandatory) { $mandatory_failed++; }
+ 		$result = "\n".'<div id="'.$dim.'" class="LC_question">'.
- 		} elsif ($status eq 'review') {
+ 		    "\n".$result;
- 		    $review++;
+ 	    }
- 		} elsif ($status eq 'ungraded') {
+ 	    $result .= "\n</div>\n";
- 		    $ungraded++;
+ 	}
+     } elsif ($target eq 'webgrade') {
+ 	# in case of any side effects that we need
+ 	&nested_parse(\$dimension{$dim}{'intro'},[@_]);
+ 	&nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
+ 	$result.=
+ 	    &nested_parse(\$dimension{$dim}{'questiontext'},[@_],
+ 			  {'set_dim_id'          => undef,
+ 			   'delayed_dim_results' => 1});
+ 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+ 			@{$dimension{$dim}{'criterias'}} ) {
+ 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+ 	    if ($type eq 'dimension') {
+ 		# dimensional 'criteria' don't get assigned grades
+ 		$result.=
+ 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
+ 				  [@_],{'set_dim_id' => $id});
+ 		next;
+ 	    } else {
+ 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
+ 					     [@_]);
+ 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
+ 		my $internal_location=&internal_location($id);
+ 		if ($result =~ m/\Q$internal_location\E/) {
+ 		    $result =~ s/\Q$internal_location\E/$criteria/;
  		} else {
- 		    &Apache::lonxml::error("got weird status --$status--");
+ 		    $result.=$criteria ;
  		}
  	    }
- 	    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.$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.$dim.status"}=
+ 	    } elsif ($status eq 'fail') {
- 		    'ungraded';
+ 		if ($mandatory) { $mandatory_failed++; }
- 	    } elsif ($mandatory_failed) {
+ 	    } elsif ($status eq 'review') {
- 		$Apache::lonhomework::results{"resource.$version.$dim.status"}=
+ 		$review++;
- 		    'fail';
+ 	    } elsif ($status eq 'ungraded') {
+ 		$ungraded++;
  	    } else {
- 		$Apache::lonhomework::results{"resource.$version.$dim.status"}=
+ 		$ungraded++;
- 		    'pass';
  	    }
  	}
- 	return $result;
+ 	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 {
+ 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+ 		'pass';
+ 	}
+     } elsif ($target eq 'edit') {
+     } elsif ($target eq 'modified') {
+     } else {
+ 	# any other targets no output
+ 	undef($result);
      }
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+ 	&disable_dimension_parsing();
+ 	pop(@Apache::bridgetask::dimension);
+     }
+     return $result;
  }
- sub start_IntroParagraph {
+ sub question_status_message {
+     my ($counts,$depth) = @_;
+     my %req  = ('man' => 'mandatory',
+ 		'opt' => 'optional',);
+     my %type = ('cri' => 'criteria',
+ 		'dim' => ('sub'x($depth+1)).'questions',);
+     my @sections;
+     foreach my $req ('man','opt') {
+ 	foreach my $type ('cri','dim') {
+ 	    if ($counts->{$req.'_'.$type}) {
+ 		push(@sections,
+ 		     $counts->{$req.'_'.$type.'_passed'}.' of the '.
+ 		     $counts->{$req.'_'.$type}.' '.
+ 		     $req{$req}.' '.$type{$type});
+ 	    }
+ 	}
+     }
+     my $status = 'You passed ';
+     if (@sections == -1) {
+     } elsif (@sections == 1) {
+ 	$status .= $sections[0];
+     } elsif (@sections == 2) {
+ 	$status .= $sections[0].' and '.$sections[1];
+     } else {
+ 	my $last = pop(@sections);
+ 	$status .= join(', ',@sections).', and '.$last;
+     }
+     $status .= '.';
+     if ($counts->{'opt'}) {
+         if ($counts->{'opt_dim'} + $counts->{'man_dim'} < 1) {
+             $status .= ' '.&mt('You were required to pass [quant,_1,optional criterion,optional criteria].',$counts->{'opt_req'});
+         } else {
+             $status .= ' '.&mt('You were required to pass [quant,_1,optional component].',$counts->{'opt_req'});
+         }
+     }
+     return $status;
+ }
+ sub get_counts {
+     my ($dim,$instance,$parstack,$safeeval) = @_;
+     my %counts;
+     my @possible = ('man_cri','man_dim',
+ 		    'opt_cri','opt_dim',
+ 		    'man_cri_passed', 'man_dim_passed',
+ 		    'opt_cri_passed', 'opt_dim_passed',
+ 		    'man_passed',
+ 		    'opt_passed',
+ 		    'opt_req');
+     foreach my $which (@possible) { $counts{$which} = 0; }
+     my $version = &get_version();
+     foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
+ 		     @{$dimension{$dim}{'criterias'}} ) {
+ 	my $status = &get_criteria('status',$version,$dim,$id);
+ 	my $which;
+ 	if ($dimension{$dim}{'criteria.'.$id.'.mandatory'}
+ 	    eq 'N') {
+ 	    $which = 'opt';
+ 	} else {
+ 	    $which = 'man';
+ 	}
+ 	$counts{$which}++;
+ 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
+ 	if ($dimension{$dim}{'criteria.'.$id.'.type'}
+ 	    eq 'dimension') {
+ 	    $which .= '_dim';
+ 	} else {
+ 	    $which .= '_cri';
+ 	}
+ 	$counts{$which}++;
+ 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
+     }
+     if ($counts{'man_dim_passed'} eq $counts{'man_dim'}) {
+ 	$counts{'man_dim_passed'}='all';
+     }
+     if ($counts{'man_cri_passed'} eq $counts{'man_cri'}) {
+ 	$counts{'man_cri_passed'}='all';
+     }
+     $counts{'opt_req'}=$dimension{$dim}{$instance.'.optionalrequired'};
+     if ($counts{'opt_req'} !~ /\S/) {
+ 	$counts{'opt_req'}= &Apache::lonxml::get_param('OptionalRequired',
+ 						       $parstack,$safeeval);
+ 	if ($counts{'opt_req'} !~ /\S/) { $counts{'opt_req'} = 0; }
+     }
+     return %counts;
+ }
+ sub end_Setup {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
      my $result;
-     if ($target eq 'web' || $target eq 'webgrade') {
+     my $dim=&get_id($parstack,$safeeval);
- 	if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {
+     my $instance=&get_instance($dim);
- 	    &Apache::lonxml::startredirection();
+     my $version=&get_version();
- 	}
+     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
+ 	$result=&Apache::lonxml::endredirection();
+     }
+     if ($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 $result;
  }
- sub end_IntroParagraph {
+ sub grading_history {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+     my ($version,$dim,$id) = @_;
+     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})
+ 	&& !&Apache::lonnet::allowed('mgq',$env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
+ 	return '';
+     }
+     my ($result,$grader);
+     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'});
+ 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
+ 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
+ 							 $gname,$gdom);
+ 	}
+ 	my $entry;
+ 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
+ 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
+ 	}
+ 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
+ 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
+ 	}
+ 	if ($entry) {
+ 	    $result.= "\n\t\t<li>\n\t\t\t$grader :\n\t\t\t $entry \n\t\t</li>";
+ 	}
+     }
+     if ($result) {
+ 	return "\n\t".'<ul class="LC_GRADING_pastgrading">'.$result.
+ 	    "\n\t".'</ul>'."\n";
+     }
+     return '';
+ }
+ sub start_IntroParagraph {
+     my ($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' || $target eq 'webgrade') {
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
- 	    $dimension{'intro'}=&Apache::lonxml::endredirection();
+ 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
+ 	    $dimension{$dim}{'intro'}=
+ 		&Apache::lonxml::get_all_text('/introparagraph',
+ 					      $parser,$style);
+        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
+ 	    &Apache::lonxml::startredirection();
  	}
+     } elsif ($target eq 'edit') {
+ 	$result = &Apache::edit::tag_start($target,$token);
+     } elsif ($target eq 'modified') {
      }
      return $result;
  }
+ sub end_IntroParagraph {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
+ 	my $result = &Apache::lonxml::endredirection();
+     }
+ }
+ sub insert_IntroParagraph {
+     return '
+ <IntroParagraph>
+     <startouttext />
+     <endouttext />
+ </IntroParagraph>';
+ }
  sub start_Instance {
      my ($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);
-     return '';
+     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
+     if (lc($disabled) eq 'yes') {
+ 	$dimension{$dim}{$id.'.disabled'}='1';
+     }
+     my $result;
+     if ($target eq 'edit') {
+ 	$result = &Apache::edit::tag_start($target,$token);
+ 	$result.=
+ 	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
+ 	    &Apache::edit::select_arg('Instance is Disabled:','Disabled',
+ 				      [['no', 'No'],
+ 				       ['yes','Yes'],],
+ 				      $token)
+ 	    .' <br /> '.
+ 	    &Apache::edit::text_arg('Required number of passed optional elements to pass the Instance:',
+ 				    'OptionalRequired',$token,4)
+ 	    .&Apache::edit::end_row().
+ 	    &Apache::edit::start_spanning_row();
+     } elsif ($target eq 'modified') {
+ 	my $constructtag=
+ 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
+ 					'id','OptionalRequired','Disabled');
+ 	if ($constructtag) {
+ 	    $result = &Apache::edit::rebuild_tag($token);
+ 	}
+     }
+     return $result;
  }
  sub end_Instance {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-     return '';
+     my $result;
+     if ($target eq 'edit') {
+ 	$result = &Apache::edit::tag_end($target,$token);
+     }
+     return $result;
  }
  sub start_InstanceText {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-     if ($target eq 'web' || $target eq 'webgrade') {
+     my $result;
- 	&Apache::lonxml::startredirection();
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+ 	my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
+ 	my $dim = &get_dim_id();
+ 	my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
+ 	$dimension{$dim}{$instance_id.'.text'}=$text;
+     } elsif ($target eq 'edit') {
+ 	$result = &Apache::edit::tag_start($target,$token);
+     } elsif ($target eq 'modified') {
      }
-     return '';
+     return $result;
  }
  sub end_InstanceText {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-     my $instance_id=$Apache::bridgetask::instance[-1];
-     if ($target eq 'web' || $target eq 'webgrade') {
- 	$dimension{$instance_id.'.text'}=&Apache::lonxml::endredirection();
-     }
      return '';
  }
+ sub insert_InstanceText {
+     return '
+ <InstanceText>
+     <startouttext />
+     <endouttext />
+ </InstanceText>';
+ }
  sub start_Criteria {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     my $result = '';
      if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
- 	&Apache::lonxml::startredirection();
+ 	my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
+ 	my $dim = &get_dim_id();
+ 	my $id=&get_id($parstack,$safeeval);
+ 	if ($target eq 'web' || $target eq 'webgrade') {
+ 	    if ($target eq 'webgrade') {
+ 		&Apache::lonxml::debug(" for $dim $id stashing results into $dim ");
+ 		$dimension{$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);
+ 	}
+     } elsif ($target eq 'edit') {
+ 	$result .=&Apache::edit::tag_start($target,$token);
+ 	$result.=
+ 	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
+ 	    &Apache::edit::select_arg('Passing is Mandatory:','Mandatory',
+ 				      [['Y', 'Yes'],
+ 				       ['N','No'],],
+ 				      $token)
+ 	    .' <br /> '.&Apache::edit::end_row().
+ 	    &Apache::edit::start_spanning_row();
+     } elsif ($target eq 'modified') {
+ 	my $constructtag=
+ 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
+ 					'id','Mandatory');
+ 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
      }
-     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">'."\n\t".'<h4>'
+ 	.$mandatory.' Criteria</h4>'."\n\t".'<p class="LC_criteria_text">'
+ 	."\n";
+     $criteria =~ s/^\s*//s;
+     $criteria =~ s/\s*$//s;
+     $criteria_info.= $criteria;
+     $criteria_info.="\n\t".'</p>'.
+ 	"\n\t".'<p class="LC_grade">'.$status_display.'</p>';
+     if ($comment =~ /\w/) {
+ 	$criteria_info.=
+ 	    "\n\t".
+ 	    '<p class="LC_comment">'.&mt('Comment: [_1]',$comment).'</p>';
+     }
+     $criteria_info.="\n".'</div>'."\n";
+     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 %lt = &Apache::lonlocal::texthash(
+         'ungraded' => 'Ungraded',
+         'fail'     => 'Fail',
+         'pass'     => 'Pass',
+         'review'   => 'Review',
+         'comment'  => 'Additional Comment for Student',
+     );
+     my $comment = &get_criteria('comment',$version,$dim,$id);
+     $comment = &HTML::Entities::encode($comment,'<>"&');
+     my %checked;
+     foreach my $which ('ungraded','fail','pass','review') {
+ 	if ($status eq $which) { $checked{$which} = ' checked="checked"'; }
+     }
+     if (!%checked) { $checked{'ungraded'} = ' checked="checked"'; }
+     my $buttons;
+     foreach my $which  ('ungraded','fail','pass','review') {
+ 	$buttons .= <<END_BUTTON;
+ 		<label class="LC_GRADING_$which">
+ 			<input type="radio" name="HWVAL_$link" value="$which"$checked{$which} />
+ 			$lt{$which}
+ 		</label>
+ END_BUTTON
+     }
+     $criteria =~ s/^\s*//s;
+     $criteria =~ s/\s*$//s;
+     my $result = <<END_CRITERIA;
+ <div class="LC_GRADING_criteria">
+ 	<div class="LC_GRADING_criteriatext">
+ 		$criteria
+ 	</div>
+ 	<div class="LC_GRADING_grade">
+ $buttons
+ 	</div>
+ 	<label class="LC_GRADING_comment">
+ 		$lt{'comment'}
+ 		<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_$link">$comment</textarea>
+ 	</label>
+ </div>
+ END_CRITERIA
+     $result .= &grading_history($version,$dim,$id);
+     return $result;
  }
  sub end_Criteria {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-     my $instance_id=$Apache::bridgetask::instance[-1];
+     if ($target eq 'edit') {
-     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
+     } elsif ($target eq 'modified') {
- 	my $criteria=&Apache::lonxml::endredirection();
+     }
- 	my $id=&get_id($parstack,$safeeval);
+ }
- 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
+ sub insert_Criteria {
- 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
+     return '
- 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ <Criteria>
- 	push(@{$dimension{$instance_id.'.criterias'}},$id);
+     <CriteriaText>
+         <startouttext />
+         <endouttext />
+     </CriteriaText>
+ </Criteria>';
+ }
+ sub start_CriteriaText {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     my $result;
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+     } elsif ($target eq 'edit') {
+ 	$result = &Apache::edit::tag_start($target,$token);
+     } elsif ($target eq 'modified') {
      }
+     return $result;
+ }
+ sub end_CriteriaText {
      return '';
  }
+ sub insert_CriteriaText {
+     return '
+ <CriteriaText>
+     <startouttext />
+     <endouttext />
+ </CriteriaText>';
+ }
+ sub start_GraderNote {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     my $result;
+     if ($target eq 'webgrade') {
+ 	$result = '<div class="LC_GRADING_gradernote"><b>'.
+ 	    &mt('Note to graders:').'</b>';
+     } elsif ($target eq 'edit') {
+ 	$result = &Apache::edit::tag_start($target,$token);
+     } elsif ($target eq 'modified') {
+     } elsif ($target eq 'web' || $target eq 'grade') {
+ 	my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style);
+     }
+     return $result;
+ }
+ sub end_GraderNote {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     if ($target eq 'webgrade') {
+ 	return '</div>';
+     }
+     return;
+ }
+ sub insert_GraderNote {
+     return '
+ <GraderNote>
+     <startouttext />
+     <endouttext />
+ </GraderNote>';
+ }
  sub proctor_validation_screen {
      my ($slot) = @_;
-     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
+     my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
      my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
-     $user=$env{'form.proctorname'};
+     if ($url ne '/adm/lonKaputt/lonlogo_broken.gif') {
-     if ($env{'form.proctordomain'}) { $domain=$env{'form.proctordomain'}; }
+ 	$url = "<tr><td colspan=\"2\"><img src=\"$url\" /></td></tr>";
+     } else {
+ 	undef($url);
+     }
+     my $name=&Apache::loncommon::plainname($user,$domain);
      my $msg;
      if ($env{'form.proctorpassword'}) {
- 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
+ 	$msg.='<p><span class="LC_warning">'
- 	    .'</font></p>';
+ 	    .&mt("Failed to authenticate the proctor.")
+ 	    .'</span></p>';
+     }
+     my $valid;
+     my @possible_proctors=split(",",$slot->{'proctor'});
+     foreach my $proctor (@possible_proctors) {
+ 	if ($proctor =~ /$LONCAPA::username_re:$LONCAPA::domain_re/) {
+ 	    $valid = 1;
+ 	    last;
+ 	}
+     }
+     if (!$valid) {
+ 	$msg.='<p><span class="LC_error">'
+ 	    .&mt("No valid proctors are defined.")
+ 	    .'</span></p>';
      }
+     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
+     my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
+     $uri = &HTML::Entities::encode($uri,'<>&"');
+     my %lt = &Apache::lonlocal::texthash(
+                             'prva' => "Proctor Validation",
+                             'yoro' => "Your room's proctor needs to validate your access to this resource.",
+                             'prus'  => "Proctor's Username:",
+                             'pasw'  => "Password:",
+                             'prdo'  => "Proctor's Domain:",
+                             'vali'  => 'Validate',
+                             'stui'  => "Student who should be logged in is:",
+                             'name'  => "Name:",
+                             'sid'   => "Student/Employee ID",
+                             'unam'  => "Username:",
+                            );
      my $result= (<<ENDCHECKOUT);
- <h2>Proctor Validation</h2>
+ <h2>$lt{'prva'}</h2>
-     <p>Your room's proctor needs to validate your access to this resource.</p>
+     <p>$lt{'yoro'}</p>
      $msg
- <form name="checkout" method="POST" action="$env{'request.uri'}">
+ <form name="checkout" method="post" action="$uri">
  <input type="hidden" name="validate" value="yes" />
  <input type="hidden" name="submitted" value="yes" />
  <table>
-   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$user" /></td></tr>
+   <tr><td>$lt{'prus'}</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" autocomplete="off" /></td></tr>
-   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
+   <tr><td>$lt{'pasw'}</td><td><input type="password" name="proctorpassword" value="" autocomplete="off" /></td></tr>
-   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$domain" /></td></tr>
+   <tr><td>$lt{'prdo'}</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" autocomplete="off" /></td></tr>
+ </table>
+ <input type="submit" name="checkoutbutton" value="$lt{'vali'}"  /><br />
+ <table border="1">
+   <tr><td>
+     <table>
+       <tr><td colspan="2">$lt{'stui'}</td></tr>
+       <tr><td>$lt{'name'}</td><td>$name</td></tr>
+       <tr><td>$lt{'sid'}</td><td>$env{'environment.id'}</td></tr>
+       <tr><td>$lt{'unam'}</td><td>$user:$domain</td></tr>
+       $url
+     </table>
+   </tr></td>
  </table>
- <input type="submit" name="checkoutbutton" value="Validate"  /><br />
- Student who should be logged in is:<br />
- <img src="$url" /><br />
  </form>
  ENDCHECKOUT
      return $result;
  }

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

Removed from v.1.37
changed lines
	Added in v.1.271