loncom/homework/bridgetask.pm - diff

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Diff for /loncom/homework/bridgetask.pm between versions 1.93 and 1.184.2.2

-version 1.93, 2005/12/21 19:10:33
+version 1.184.2.2, 2006/11/06 16:36:05
  Line 38  use Apache::lonlocal;
  use Apache::lonxml;
  use Apache::slotrequest();
  use Time::HiRes qw( gettimeofday tv_interval );
+ use lib '/home/httpd/lib/perl/';
+ use LONCAPA;
  BEGIN {
-     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph'));
+     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','GraderNote','ClosingParagraph'));
  }
+ my %dimension;
  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=();
+     %Apache::bridgetask::top_dimensionlist=();
-     # mandatory attribute of all Dimensions seen
-     %Apache::bridgetask::dimensionmandatory=();
      # list of all current Instance ids
-     @Apache::bridgetask::instance=();
+     %Apache::bridgetask::instance=();
      # list of all Instance ids seen in this problem
      @Apache::bridgetask::instancelist=();
      # key of queud user data that we are currently grading
      $Apache::bridgetask::queue_key='';
+     undef(%dimension);
  }
  sub proctor_check_auth {
- Line 66  sub proctor_check_auth {
+ Line 69  sub proctor_check_auth {
      my @allowed=split(",",$slot->{'proctor'});
      foreach my $possible (@allowed) {
- 	my ($puser,$pdom)=(split('@',$possible));
+ 	my ($puser,$pdom)=(split(':',$possible));
  	if ($puser eq $user && $pdom eq $domain) {
  	    my $authenticated=0;
  	    if ( $slot->{'secret'} =~ /\S/ &&
- Line 79  sub proctor_check_auth {
+ Line 82  sub proctor_check_auth {
  		    $authenticated=1;
  		}
  	    }
- 	    if ($authenticated && $type eq 'Task') {
+ 	    if ($authenticated) {
- 		# increment version
+ 		&check_in($type,$user,$domain,$slot_name);
- 		my $version=
- 		    $Apache::lonhomework::history{'resource.0.version'};
- 		$version++;
- 		#clean out all current results
- 		foreach my $key (keys(%Apache::lonhomework::history)) {
- 		    if ($key=~/^resource\.0\./) {
- 			$Apache::lonhomework::results{$key}='';
- 		    }
- 		}
- 		#setup new version and who did it
- 		$Apache::lonhomework::results{'resource.0.version'}=$version;
- 		$Apache::lonhomework::results{"resource.$version.0.checkedin"}=
- 		    $user.'@'.$domain;
- 		$Apache::lonhomework::results{"resource.$version.0.checkedin.slot"}=
- 		    $slot_name;
  		return 1;
- 	    } elsif ($authenticated && $type eq 'problem') {
- 		&Apache::lonxml::debug("authed $slot_name");
- 		$Apache::lonhomework::results{"resource.0.checkedin"}=
- 		    $user.'@'.$domain;
- 		$Apache::lonhomework::results{"resource.0.checkedin.slot"}=
- 		    $slot_name;
  	    }
  	}
      }
      return 0;
  }
+ sub check_in {
+     my ($type,$user,$domain,$slot_name) = @_;
+     my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
+     if ( $useslots eq 'map_map') {
+ 	&check_in_sequence($user,$domain,$slot_name);
+     } else {
+ 	&create_new_version($type,$user,$domain,$slot_name);
+     }
+     return 1;
+ }
+ sub check_in_sequence {
+     my ($user,$domain,$slot_name) = @_;
+     my $navmap = Apache::lonnavmaps::navmap->new();
+     my ($symb) = &Apache::lonxml::whichuser();
+     my ($map)  = &Apache::lonnet::decode_symb($symb);
+     my @resources =
+ 	$navmap->retrieveResources($map, sub { $_[0]->is_problem() },0,0);
+     my %old_history = %Apache::lonhomework::history;
+     my %old_results = %Apache::lonhomework::results;
+     foreach my $res (@resources) {
+ 	&Apache::lonxml::debug("doing ".$res->src);
+ 	&Apache::structuretags::initialize_storage($res->symb);
+ 	my $type = ($res->is_task()) ? 'Task' : 'problem';
+ 	&create_new_version($type,$user,$domain,$slot_name);
+ 	&Apache::structuretags::finalize_storage($res->symb);
+     }
+     %Apache::lonhomework::history = %old_history;
+     %Apache::lonhomework::results = %old_results;
+ }
+ sub create_new_version {
+     my ($type,$user,$domain,$slot_name) = @_;
+     my $id = '0';
+     if ($type eq 'Task') {
+ 	# increment version
+ 	my $version=
+ 	    $Apache::lonhomework::history{'resource.0.version'};
+ 	$version++;
+ 	&Apache::lonxml::debug("Making version $version");
+ 	#clean out all current results
+ 	foreach my $key (keys(%Apache::lonhomework::history)) {
+ 	    if ($key=~/^resource\.0\./) {
+ 		$Apache::lonhomework::results{$key}='';
+ 	    }
+ 	}
+ 	#setup new version and who did it
+        	$Apache::lonhomework::results{'resource.0.version'}=$version;
+ 	$id = "$version.0";
+ 	if (!defined($user) || !defined($domain)) {
+ 	    $user = $env{'user.name'};
+ 	    $domain = $env{'user.domain'};
+ 	}
+     } elsif ($type eq 'problem') {
+ 	&Apache::lonxml::debug("authed $slot_name");
+     }
+     if (!defined($user) || !defined($domain)) {
+ 	$user = $env{'user.name'};
+ 	$domain = $env{'user.domain'};
+     }
+     $Apache::lonhomework::results{"resource.$id.checkedin"}=
+ 	$user.':'.$domain;
+     if (defined($slot_name)) {
+ 	$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
+ 	    $slot_name;
+     }
+ }
  sub get_version {
      my ($version,$previous);
      if ($env{'form.previousversion'} &&
- Line 120  sub get_version {
+ Line 174  sub get_version {
  	$version=$env{'form.previousversion'};
  	$previous=1;
      } else {
- 	$version=$Apache::lonhomework::history{'resource.0.version'};
+ 	if (defined($Apache::lonhomework::results{'resource.0.version'})) {
+ 	    $version=$Apache::lonhomework::results{'resource.0.version'};
+ 	} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
+ 	    $version=$Apache::lonhomework::history{'resource.0.version'};
+ 	}
  	$previous=0;
      }
      if (wantarray) {
- Line 155  sub add_previous_version_button {
+ Line 213  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 170  sub add_grading_button {
+ Line 228  sub add_grading_button {
      my (undef,$cid)=&Apache::lonxml::whichuser();
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
-     my %sections;
+     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
-     my $numsections=&Apache::loncommon::get_sections($cdom,$cnum,\%sections);
      my $size=5;
      if (scalar(keys(%sections)) < 3) {
  	$size=scalar(keys(%sections))+2;
      }
-     my $sec_select = '<select multiple name="chosensections" size="'.$size.'">'."\n";
+     my $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
      $sec_select .= "<option value='all' selected='selected'>all</option>\n";
      foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
- 	$sec_select .= "<option name=\"$sec\">$sec</option>\n";
+ 	$sec_select .= "<option value=\"$sec\">$sec</option>\n";
      }
      $sec_select .= "<option value='none'>none</option></select>\n";
- Line 188  sub add_grading_button {
+ Line 246  sub add_grading_button {
      $result.='<input type="hidden" name="grade_target" value="webgrade" />';
      if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
  	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
- 	$result.='<p>Specify a section: '.$sec_select.'</p>';
+ 	$result.='<table><tr>';
- 	$result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
+ 	$result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
+ 	$result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
+ 	    &mt("Select an entry from the grading queue:").'" /> ';
- 	$result.=' <input type="submit" name="reviewagrading" value="'.
+ 	$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></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.='<tr><td>'.
- 	$result.=' <input type="submit" name="reviewasubmission" value="'.
+ 	    ' <input type="submit" name="reviewasubmission" value="'.
- 	    &mt("Select an entry from the review queue").'" /> </p>'."\n";
+ 	    &mt("Select an entry from the review queue:").'" /> ';
- 	$result.=' <input type="submit" name="regradeasubmission" value="'.
+ 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
- 	    &mt("Select a user to regrade.").'" /> </p>'."\n";
+ 		     $entries,$ready,$locks).'</td></tr>'."\n";
+ 	$result.='<tr><td> <input type="submit" name="regradeasubmission" value="'.
+ 	    &mt("List of user's grade status").'" /> </td></tr></table>'."\n";
+ 	$result.='<p> <input type="submit" name="regradeaspecificsubmission" value="'.
+ 	    &mt("Regrade specific user:").'" />'."\n";
+ 	$result.='<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>';
      }
      return $result;
  }
- Line 209  sub add_request_another_attempt_button {
+ Line 281  sub add_request_another_attempt_button {
      if (!$text) { $text="Request another attempt"; }
      my $result;
      my $symb=&Apache::lonnet::symbread();
+     # not a slot access based resource
+     my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
+     if ($useslots =~ /^\s*no\s*$/i) {
+ 	return '';
+     }
      my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
      my $action='get_reservation';
      if ($slot_name) {
- Line 222  STUFF
+ Line 300  STUFF
      }
      if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
-     $symb=&Apache::lonnet::escape($symb);
+     $symb=&escape($symb);
-     $result.='<form method="POST" action="/adm/slotrequest">'.
+     $result.='<form method="post" action="/adm/slotrequest">'.
  	'<input type="hidden" name="symb" value="'.$symb.'" />'.
  	'<input type="hidden" name="command" value="'.$action.'" />'.
  	'<input type="submit" name="requestattempt" value="'.
- Line 245  sub preserve_grade_info {
+ Line 323  sub preserve_grade_info {
  }
  sub style {
-     return (<<STYLE);
+     my ($target) = @_;
- <style type="text/css">
+     if ($target eq 'web'
- .fail, .pass, .neutral {
+ 	|| $target eq 'webgrade') {
-     position: relative;
+ 	return (<<STYLE);
-     margin : 5px;
+ <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
-     margin-bottom :10px;
-     padding : 4px;
-     padding-left : 75px;
- 	border : thin solid;
-     font-weight : bolder;
-     font-size: smaller;
-     font-family: Arial;
-     background-color : rgb(255,240,225);
- }
- .fail h4, .pass h4 {
- 	position:absolute;
- 	left: -4px;
- 	top: -8px;
- 	padding:2px;
- 	margin:0;
- 	background-color : rgb(255,240,225);
- 	border : thin solid;
- }
- .fail {
- 	color: red;
- }
- .pass {
-     color : green;
- }
- .neutral {
- 	color : blue;
- }
- .question {
- 	border : thin solid black;
- 	padding : 4px;
- 	margin-bottom : 1em;
- }
- .grade {
- 	font-size: x-large;
- 	font-family: Arial;
- 	position:absolute;
- 	left: 5px;
- 	top: -5px;
- 	width: 70px;
- }
- div#feedback h1 {
-     color : inherit;
- }
- </style>
  STYLE
+     }
+     return;
  }
  sub show_task {
- Line 314  sub show_task {
+ Line 342  sub show_task {
  		       ( $status eq 'NOT_IN_A_SLOT') ||
  		       ( $status eq 'NEEDS_CHECKIN') ||
  		       ( $status eq 'WAITING_FOR_GRADE') ||
- 		       ( $status eq 'INVALID_ACCESS') )) {
+ 		       ( $status eq 'INVALID_ACCESS') ||
+ 		       ( &get_version() eq ''))) {
  	return 0;
      }
      if ($env{'form.donescreen'}) { return 0; }
      return 1;
  }
+ my @delay;
+ sub nest {
+     if (@delay) {
+ 	return $delay[-1];
+     } else {
+ 	return;
+     }
+ }
+ sub nested_parse {
+     my ($str,$env,$args) = @_;
+     my @old_env = @Apache::scripttag::parser_env;
+     @Apache::scripttag::parser_env = @$env;
+     if (exists($args->{'set_dim_id'})) {
+ 	&enable_dimension_parsing($args->{'set_dim_id'});
+     }
+     push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
+     my $result = &Apache::scripttag::xmlparse($$str);
+     pop(@delay);
+     if (exists($args->{'set_dim_id'})) {
+ 	&disable_dimension_parsing();
+     }
+     @Apache::scripttag::parser_env = @old_env;
+     if ($args->{'delayed_dim_results'}) {
+ 	my $dim = &get_dim_id();
+ 	&Apache::lonxml::debug(" tossing out $result ");
+ 	&Apache::lonxml::debug(" usining out $dim 's  ". $dimension{$dim}{'result'});
+ 	return $dimension{$dim}{'result'};
+     }
+     return $result;
+ }
  sub internal_location {
      my ($id)=@_;
      return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
- Line 331  sub submission_time_stamp {
+ Line 392  sub submission_time_stamp {
      my $submissiontime;
      my $version=$Apache::lonhomework::history{'resource.0.version'};
      for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
- 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
+ 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
+ 	    && defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
  	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
+ 	    last;
  	}
      }
      my $result;
- Line 343  sub submission_time_stamp {
+ Line 406  sub submission_time_stamp {
  	my ($color,$when)=('#FF6666','after');
  	if ($diff > 0) { ($color,$when)=('#336600','before'); }
  	my $info;
+ 	$diff = abs($diff);
  	if ($diff%60) { $info=($diff%60).' seconds'; }
  	$diff=int($diff/60);
  	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
  	$diff=int($diff/60);
  	if ($diff) {    $info=$diff.' hours '.$info; }
  	$result='<p><font color="'.$color.'">'.
- 	    &mt('Student submitted [_1] [_2] the deadline.
+ 	    &mt('Student submitted [_1] [_2] the deadline. '.
-                  (Submission was at [_3], end of period was [_4].)',
+ 		'(Submission was at [_3], end of period was [_4].)',
- 		$info,$when,scalar(localtime($submissiontime)),
+ 		$info,$when,
- 		scalar(localtime($slot{'endtime'}))).
+ 		&Apache::lonlocal::locallocaltime($submissiontime),
+ 		&Apache::lonlocal::locallocaltime($slot{'endtime'})).
  		'</font></p>';
      }
      return $result;
  }
- sub webgrade_standard_info {
+ sub file_list {
-     my ($version)=&get_version();
+     my ($files,$uname,$udom) = @_;
-     my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
+     if (!defined($uname) || !defined($udom)) {
+ 	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
+     }
      my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
-     my $file_list="<ul>\n";
-     foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
+     my $file_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><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
+ 	$file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
- 	    &Apache::loncommon::icon($file).'" border=0"> '.$file.
+ 	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
- 	    '</a></nobr></li>'."\n";
+ 	    '</a></span></li>'."\n";
      }
      $file_list.="</ul>\n";
+     return $file_list;
+ }
+ sub grade_mode {
+     if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
+ 	return 'regrade';
+     }
+     return 'queue_grade';
+ }
+ sub webgrade_standard_info {
+     my ($version)=&get_version();
+     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
+     my %lt=('done'   => 'Next Item',
+ 	    'stop'   => 'Quit Grading',
+ 	    'fail'   => 'Fail Rest',
+ 	    'cancel' => 'Cancel',
+ 	    );
+     %lt=&Apache::lonlocal::texthash(%lt);
-     my %lt=&Apache::lonlocal::texthash('done' => 'Done',
- 				       'stop' => 'Stop',
- 				       );
      my $result=<<INFO;
- <div class="handininfo">
+   <div class="LC_GRADING_maincontrols">
-   <input type="submit" name="next" value="$lt{'done'}" />
+ INFO
-   <input type="submit" name="stop" value="$lt{'stop'}" />
+     if (&grade_mode() eq 'regrade') {
+ 	$result.=<<INFO;
+     <input type="submit" name="cancel" value="$lt{'cancel'}" />
+ INFO
+     }
+     $result.=<<INFO;
+     <input type="submit" name="next" value="$lt{'done'}" />
+     <input type="submit" name="stop" value="$lt{'stop'}" />
+     <input type="button" name="fail" value="$lt{'fail'}"
+            onclick="javascript:onFailRest()" />
+   </div>
    $file_list
- </div>
  INFO
      return $result;
  }
+ sub done_screen {
+     my ($version) = @_;
+     my $title=&Apache::lonnet::gettitle();
+     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
+     my (undef,undef,$domain,$user)= &Apache::lonxml::whichuser();
+     my $files = '<ul>';
+     my $msg;
+     foreach my $file (@files) {
+ 	my $url="/uploaded/$domain/$user/portfolio$file";
+ 	if (! &Apache::lonnet::stat_file($url)) {
+ 	    $file = &mt('<span class="LC_error"> Nonexistent file:</span> '.
+ 			'<span class="LC_filename">[_1]</span>',$file);
+ 	    $msg .= "<p>Submitted non-existant file $file</p>\n";
+ 	} else {
+ 	    $file = '<span class="LC_filename">'.$file.'</span>';
+ 	    $msg .= "<p>Submitted file $file</p>\n";
+ 	}
+ 	$files .= '<li>'.$file.'</li>';
+     }
+     $files.='</ul>';
+     my $subject = "Submission message for $title";
+     my ($message_status,$comment_status);
+     my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
+     $setting =~ s/^\s*(\S*)\s*$/$1/;
+     $setting = lc($setting);
+     if ($setting eq 'only_student'
+ 	|| $setting eq 'student_and_user_notes_screen') {
+ 	$message_status =
+ 	    &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
+ 	$message_status = '<p>'.&mt('Message sent to user: [_1]',
+ 				    $message_status).' </p>';
+     }
+     if ($setting eq 'student_and_user_notes_screen') {
+ 	$comment_status =
+ 	    &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
+ 						      $msg,$user,$domain);
+ 	$comment_status = '<p>'.&mt('Message sent to instructor: [_1]',
+ 				    $comment_status).' </p>';
+     }
+     return <<DONESCREEN;
+ <h2>$title</h2>
+ <p> Files submitted: $files </p>
+ <p> You are now done with this Bridge Task </p>
+ <hr />
+ <p> <a href="/adm/logout">Logout</a> </p>
+ <p> <a href="/adm/roles">Change to a different course</a> </p>
+ $message_status
+ $comment_status
+ DONESCREEN
+ }
  sub start_Task {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
      my ($status,$accessmsg,$slot);
+     &Apache::structuretags::init_problem_globals('Task');
      if ($target ne 'webgrade') {
- 	&Apache::structuretags::init_problem_globals('Task');
  	&Apache::structuretags::initialize_storage();
  	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
  	if ($env{'request.state'} eq 'construct') {
- Line 401  sub start_Task {
+ Line 549  sub start_Task {
      }
      $Apache::lonhomework::parsing_a_task=1;
-     #should get back a <html> or the neccesary stuff to start XML/MathML
-     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
+     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);
+     }
+     my ($result,$form_tag_start);
+     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
+ 	|| $target eq 'edit') {
+ 	($result,$form_tag_start) =
+ 	    &Apache::structuretags::page_start($target,$token,$tagstack,
+ 					       $parstack,$parser,$safeeval,
+ 					       $name,&style($target));
+ 	$result .= '<div class="LC_task">'."\n";
+     }
      if ($target eq 'web' && $env{'request.state'} ne 'construct') {
- 	if ($Apache::lonhomework::modifygrades) {
+ 	if ($Apache::lonhomework::queuegrade
- 	    $body_tag_start.='<form name="gradesubmission" method="POST" action="';
+ 	    || $Apache::lonhomework::modifygrades) {
+ 	    $result.='<form name="gradesubmission" method="post" action="';
  	    my $uri=$env{'request.uri'};
  	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
- 	    $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
+ 	    $result.=$uri.'">'.&add_grading_button()."</form>";
  	    my $symb=&Apache::lonnet::symbread();
  	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
- 		$body_tag_start.='<form method="POST" action="/adm/slotrequest">'.
+ 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
  		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
  		    '<input type="hidden" name="command" value="showslots" />'.
  		    '<input type="submit" name="requestattempt" value="'.
  		    &mt('Show Slot list').'" />'.
  		    '</form>';
+ 		my $target_id =
+ 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
+ 							     part => '0'});
+ 		$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>';
  	    }
  	}
      }
      if ($target eq 'web' && $env{'request.state'} eq 'construct') {
  	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
      }
-     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
+     if ($target eq 'web'
- 	$target eq 'tex') {
+ 	|| ($target eq 'grade' && !$env{'form.webgrade'})
+ 	|| $target eq 'answer'
+ 	|| $target eq 'tex') {
  	my ($version,$previous)=&get_version();
  	($status,$accessmsg,my $slot_name,$slot) =
  	    &Apache::lonhomework::check_slot_access('0','Task');
+ 	if ($status eq 'CAN_ANSWER' && $version eq '') {
+ 	    # CAN_ANSWER mode, and no current version, unproctored access
+ 	    # thus self-checkedin
+ 	    &check_in('Task',undef,undef,$slot_name);
+ 	    &add_to_queue('gradingqueue',{'type' => 'Task',
+ 					  'time' => time,
+ 					  'slot' => $slot_name});
+ 	    ($version,$previous)=&get_version();
+ 	}
  	push(@Apache::inputtags::status,$status);
  	$Apache::inputtags::slot_name=$slot_name;
  	my $expression='$external::datestatus="'.$status.'";';
  	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
  	&Apache::run::run($expression,$safeeval);
  	&Apache::lonxml::debug("Got $status");
- 	$body_tag_start.=&add_previous_version_button($status);
+ 	$result.=&add_previous_version_button($status);
  	if (!&show_task($status,$previous)) {
  	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
  	    if ( $target eq "web" ) {
- 		$result.= $head_tag_start.'</head>'.$body_tag_start;
  		if ($env{'request.state'} eq 'construct') {
  		    $result.=$form_tag_start;
  		}
- Line 456  sub start_Task {
+ Line 637  sub start_Task {
  		} elsif ($status eq 'WAITING_FOR_GRADE') {
  		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
  		} elsif ($env{'form.donescreen'}) {
- 		    my $title=&Apache::lonnet::gettitle();
+ 		    $result .= &done_screen($version);
- 		    my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
- 		    my $files='<ul><li>'.join('</li><li>',@files).'</li></ul>';
- 		    $result.=<<DONESCREEN;
- <h2>$title</h2>
- <p> Files submitted: $files </p>
- <p> You are now done with this Bridge Task </p>
- <hr />
- <p> <a href="/adm/logout">Logout</a> </p>
- <p> <a href="/adm/roles">Change to a different course</a> </p>
- DONESCREEN
  		} elsif ($status ne 'NOT_YET_VIEWED') {
  		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
  		}
- Line 485  DONESCREEN
+ Line 656  DONESCREEN
  		if ($status eq 'NEEDS_CHECKIN') {
  		    if(&proctor_check_auth($slot_name,$slot,'Task')
  		       && defined($Apache::inputtags::slot_name)) {
- 			my $result=&add_to_queue('gradingqueue',
+ 			my $result=
- 						 [$Apache::inputtags::slot_name]);
+ 			    &add_to_queue('gradingqueue',
+ 					  {'type' => 'Task',
+ 					   'time' => time,
+ 					   'slot' =>
+ 					       $Apache::inputtags::slot_name});
  			&Apache::lonxml::debug("add_to_queue said $result");
  		    }
  		}
  	    }
  	} elsif ($target eq 'web') {
- 	    my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
- 	    $result.="$head_tag_start<title>$name</title></head>
-               $body_tag_start \n".&style();
  	    $result.=&preserve_grade_info();
  	    $result.=&internal_location();
  	    $result.=$form_tag_start.
- Line 506  DONESCREEN
+ Line 678  DONESCREEN
  	      $target eq 'webgrade') {
  	my $webgrade='yes';
  	if ($target eq 'webgrade') {
- 	    $result.=$head_tag_start.$body_tag_start;
+ 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
+ 		'<script type="text/javascript"
+                          src="/res/adm/includes/task_grading.js"></script>';
  	    #$result.='<br />Review'.&show_queue('reviewqueue');
  	    #$result.='<br />Grade'.&show_queue('gradingqueue');
  	}
- Line 515  DONESCREEN
+ Line 689  DONESCREEN
          #       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)=&get_key_todo($target);
+ 	my ($todo,$status_code,$msg)=&get_key_todo($target);
  	if ($todo) {
  	    &setup_env_for_other_user($todo,$safeeval);
- Line 524  DONESCREEN
+ Line 698  DONESCREEN
  		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
  	    $form_tag_start.=
  		'<input type="hidden" name="gradingkey" value="'.
- 		&Apache::lonnet::escape($todo).'" />';
+ 		&escape($todo).'" />';
  	    $Apache::bridgetask::queue_key=$todo;
  	    &Apache::structuretags::initialize_storage();
  	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
- 	    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') {
- Line 543  DONESCREEN
+ Line 713  DONESCREEN
  		    &mt('Return to resource').'</a></p>';
  		if      ($status_code eq 'stop') {
  		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
+ 		} elsif ($status_code eq 'cancel') {
+ 		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
+ 		} elsif ($status_code eq 'never_versioned') {
+ 		    $result.='<b>'.
+ 			&mt("Requested user has never accessed the task.").
+ 			'</b>'.$back;
+ 		} elsif ($status_code =~ /still_open:(.*)/) {
+ 		    my $date = &Apache::lonlocal::locallocaltime($1);
+ 		    $result.='<b>'.
+ 			&mt("Task is still open, will close at [_1].",$date).
+ 			'</b>'.$back;
  		} elsif ($status_code eq 'lock_failed') {
- 		    $result.='<b>'.&mt("Failed to lock the request record.")
+ 		    $result.='<b>'.&mt("Failed to lock the requested record.")
  			.'</b>'.$back;
  		} elsif ($status_code eq 'unlock') {
  		    $result.='<b>'.&mt("Unlocked the requested record.")
- Line 554  DONESCREEN
+ Line 735  DONESCREEN
  		    $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>'.$back;
  		}
  	    }
  	    $webgrade='no';
+ 	}
+ 	if (!$todo || $env{'form.cancel'}) {
  	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
  	}
  	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
- Line 584  DONESCREEN
+ Line 771  DONESCREEN
  	    }
  	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
  	}
+ 	if ($target eq 'webgrade') {
+ 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
+ 	}
      } elsif ($target eq 'edit') {
- 	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
+ 	$result.=$form_tag_start.
  	    &Apache::structuretags::problem_edit_header();
  	$Apache::lonxml::warnings_error_header=
  	    &mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
- Line 598  DONESCREEN
+ Line 788  DONESCREEN
      return $result;
  }
+ sub get_task_end_time {
+     my ($queue_entry,$symb,$udom,$uname) = @_;
+     my $end_time;
+     if (my $slot = &slotted_access($queue_entry)) {
+ 	my %slot_data=&Apache::lonnet::get_slot($slot);
+ 	$end_time = $slot_data{'endtime'};
+     } else {
+ 	$end_time = &Apache::lonhomework::due_date('0',$symb,
+ 						   $udom,$uname);
+     }
+     return $end_time;
+ }
  sub get_key_todo {
      my ($target)=@_;
      my $todo;
- Line 620  sub get_key_todo {
+ Line 824  sub get_key_todo {
  	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::lonxml::whichuser();
+ 	my $cnum  = $env{'course.'.$cid.'.num'};
+ 	my $cdom  = $env{'course.'.$cid.'.domain'};
+ 	my $uname = $env{'form.gradinguser'};
+ 	my $udom  = $env{'form.gradingdomain'};
+ 	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.next'}) {
  		    return (undef,'select_user');
  		}
- Line 647  sub get_key_todo {
+ Line 920  sub get_key_todo {
  	&& $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 679  sub get_key_todo {
+ Line 951  sub get_key_todo {
      if ($env{'form.queuemode'} ne 'selected') {
  	# don't get something new from the queue if they hit the stop button
-     	if (!($env{'form.stop'} && $target eq 'webgrade')
+     	if (!(($env{'form.cancel'} || $env{'form.stop'})
+ 	      && $target eq 'webgrade')
  	    && !$env{'form.gradingaction'}) {
  	    &Apache::lonxml::debug("Getting anew $queue");
  	    return (&get_from_queue($queue));
- Line 689  sub get_key_todo {
+ Line 962  sub get_key_todo {
      }
      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 716  sub end_Task {
+ Line 1000  sub end_Task {
  		    &show_task($status,$previous)) {
  		    $result.=&Apache::inputtags::gradestatus('0');
  		    $result.='</form>';
+ 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
  		    $result.=<<DONEBUTTON;
- <form method="POST">
+ <form name="done" method="post" action="$action">
     <input type="hidden" name="donescreen" value="1" />
     <input type="submit" value="Done" />
  </form>
- Line 728  DONEBUTTON
+ Line 1013  DONEBUTTON
  		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
  		    my $title=&Apache::lonnet::gettitle();
+ 		    my $start_time;
  		    my $slot_name=
  			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
- 		    my %slot=&Apache::lonnet::get_slot($slot_name);
+ 		    if ($slot_name) {
- 		    my $start_time=
+ 			my %slot=&Apache::lonnet::get_slot($slot_name);
- 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
- 		    my $status = "\n<div class='$bt_status'>\n";
+ 			$start_time=$slot{'starttime'}
+ 		    } else {
+ 			$start_time=
+ 			    &Apache::lonnet::EXT('resource.0.opendate');
+ 		    }
+ 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
+ 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
  		    if ($bt_status eq 'pass')  {
  			$status.='<h2>You passed the '.$title.' given on '.
- Line 750  DONEBUTTON
+ Line 1043  DONEBUTTON
  		    my $man_count=0;
  		    my $opt_count=0;
  		    my $opt_passed=0;
- 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
+ 		    foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
- 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
+ 			if ($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}
  			    eq 'N') {
  			    $opt_count++;
- 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
+ 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.status"} eq 'pass') {
  				$opt_passed++;
  			    }
  			} else {
  			    $man_count++;
  			}
  		    }
  		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
  							 $parstack,$safeeval);
  		    if ($opt_req !~ /\S/) { $opt_req='0'; }
- 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you were required to pass [_4] on the bridge task.',$man_count,$opt_passed,$opt_count,$opt_req)."</p></div>\n";
+ 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
  		    my $internal_location=&internal_location();
  		    $result=~s/\Q$internal_location\E/$status/;
  		}
- 	    }
+ 		$result.="\n</div>\n".
- 	    if ($target eq 'web' || $target eq 'webgrade') {
+ 		    &Apache::loncommon::end_page({'discussion' => 1});
- 		$result.=&Apache::lonxml::xmlend().'</html>';
  	    }
  	}
+ 	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
+ 	my %queue_data = ('type' => 'Task',
+ 			  'time' => time,);
+ 	if (defined($Apache::inputtags::slot_name)) {
+ 	    $queue_data{'slot'} = $Apache::inputtags::slot_name;
+ 	} elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
+ 	    $queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
+ 	}
  	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
  	    my $award='SUBMITTED';
  	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
- Line 795  DONEBUTTON
+ Line 1099  DONEBUTTON
  	    }
  	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
  	    &Apache::structuretags::finalize_storage();
- 	    if ($award eq 'SUBMITTED'
+ 	    if ($award eq 'SUBMITTED') {
- 		&& defined($Apache::inputtags::slot_name)) {
+ 		&add_to_queue('gradingqueue',\%queue_data);
- 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
  	    }
- 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
- 	    &Apache::structuretags::finalize_storage();
  	}
- 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
+ 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes'
+ 	    && exists($env{'form.cancel'})) {
+ 	    &check_queue_unlock($env{'form.queue'});
+ 	    &Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
+ 	} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes'
+ 		 && !exists($env{'form.cancel'})) {
  	    my $optional_required=
  		&Apache::lonxml::get_param('OptionalRequired',$parstack,
  					   $safeeval);
- Line 811  DONEBUTTON
+ Line 1117  DONEBUTTON
  	    my $ungraded=0;
  	    my $review=0;
  	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
- 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
+ 	    foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
  		my $status=
- 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
+ 		    $Apache::lonhomework::results{"resource.$version.0.$dim.status"};
  		my $mandatory=
- 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
+ 		    ($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'} ne 'N');
  		if ($status eq 'pass') {
  		    if (!$mandatory) { $optional_passed++; }
  		} elsif ($status eq 'fail') {
- Line 831  DONEBUTTON
+ Line 1137  DONEBUTTON
  	    if ($optional_passed < $optional_required) {
  		$mandatory_failed++;
  	    }
- 	    &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
+ 	    &Apache::lonxml::debug("all dim ".join(':',keys(%Apache::bridgetask::top_dimensionlist))."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
  	    $Apache::lonhomework::results{'resource.0.regrader'}=
- 		$env{'user.name'}.'@'.$env{'user.domain'};
+ 		$env{'user.name'}.':'.$env{'user.domain'};
  	    if ($review) {
  		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
- 		if ($env{'form.queue'} eq 'reviewqueue') {
- 		    &check_queue_unlock($env{'form.queue'});
- 		    &Apache::lonxml::debug(" still needs review not changing status.");
- 		} else {
- 		    &move_between_queues($env{'form.queue'},'reviewqueue');
- 		}
  	    } elsif ($ungraded) {
  		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
- 		if ($env{'form.queue'} eq 'reviewqueue' ||
- 		    $env{'form.queue'} eq 'none' ) {
- 		    &Apache::lonxml::debug("moving back.");
- 		    &move_between_queues($env{'form.queue'},'gradingqueue');
- 		} else {
- 		    &check_queue_unlock($env{'form.queue'});
- 		}
  	    } elsif ($mandatory_failed) {
  		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
  		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
  		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
  		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
- 		&remove_from_queue($env{'form.queue'});
  		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
  		if ($env{'form.regrade'} ne 'yes') {
- Line 874  DONEBUTTON
+ Line 1165  DONEBUTTON
  		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
  		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
  		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
- 		&remove_from_queue($env{'form.queue'});
  		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
  		if ($env{'form.regrade'} ne 'yes') {
  		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
- Line 897  DONEBUTTON
+ Line 1186  DONEBUTTON
  		$Apache::lonhomework::results{"resource.0.solved"}=
  		    $Apache::lonhomework::results{"resource.$version.0.solved"};
  	    }
+ 	    &minimize_storage();
+ 	    &Apache::structuretags::finalize_storage();
+ 	    # data stored, now handle queue
+ 	    if ($review) {
+ 		if ($env{'form.queue'} eq 'reviewqueue') {
+ 		    &check_queue_unlock($env{'form.queue'});
+ 		    &Apache::lonxml::debug(" still needs review not changing status.");
+ 		} else {
+ 		    if ($env{'form.queue'} ne 'none') {
+ 			&move_between_queues($env{'form.queue'},'reviewqueue');
+ 		    } else {
+ 			&add_to_queue('reviewqueue',\%queue_data);
+ 		    }
+ 		}
+ 	    } elsif ($ungraded) {
+ 		if ($env{'form.queue'} eq 'reviewqueue') {
+ 		    &Apache::lonxml::debug("moving back.");
+ 		    &move_between_queues($env{'form.queue'},
+ 					 'gradingqueue');
+ 		} elsif ($env{'form.queue'} eq 'none' ) {
+ 		    &add_to_queue('gradingqueue',\%queue_data);
+ 		} else {
+ 		    &check_queue_unlock($env{'form.queue'});
+ 		}
+ 	    } elsif ($mandatory_failed) {
+ 		&remove_from_queue($env{'form.queue'});
+ 	    } else {
+ 		&remove_from_queue($env{'form.queue'});
+ 	    }
+ 	}
+ 	if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
+ 	    # instance generation occured and hasn't yet been stored
  	    &Apache::structuretags::finalize_storage();
  	}
      } elsif ($target eq 'webgrade') {
- 	$result.="</table>\n<hr />";
+ 	$result.="</div>";
  	#$result.='<input type="submit" name="next" value="'.
  	#    &mt('Save &amp; Next').'" /> ';
  	#$result.='<input type="submit" name="end" value="'.
- Line 909  DONEBUTTON
+ Line 1231  DONEBUTTON
  	#    &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.=&Apache::response::meta_package_write('Task');
          $result.=&Apache::response::meta_stores_write('solved','string',
- Line 920  DONEBUTTON
+ Line 1243  DONEBUTTON
  						      'Partial Credit Factor');
  	$result.=&Apache::response::meta_stores_write('status','string',
  						      'Bridge Task Status');
+     } elsif ($target eq 'edit') {
+ 	&Apache::structuretags::reset_problem_globals('Task');
+ 	undef($Apache::lonhomework::parsing_a_task);
+ 	return ('','no');
      }
+     &Apache::structuretags::reset_problem_globals('Task');
      undef($Apache::lonhomework::parsing_a_task);
      return $result;
  }
- Line 934  sub move_between_queues {
+ Line 1262  sub move_between_queues {
      } else {
  	$cur_data = ['none'];
      }
-     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
+     my $result=&add_to_queue($dest_queue,$cur_data);
      if ($result ne 'ok') {
  	return $result;
      }
- Line 947  sub check_queue_unlock {
+ Line 1275  sub check_queue_unlock {
      if ($queue eq 'none') { return 'ok'; }
      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::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 1010  sub setup_env_for_other_user {
+ Line 1339  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::lonxml::whichuser();
+     if (!$uname || !$udom) {
+ 	$uname=$other_uname;
+ 	$udom =$other_udom;
+     }
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
-     my $todo="$symb\0queue\0$uname\@$udom";
+     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 1033  sub check_queue_for_key {
+ Line 1366  sub check_queue_for_key {
  	if (defined($results{"$todo\0locked"})) {
  	    return 'locked';
  	}
- 	my $slot;
+ 	if (my $slot=&slotted_access($results{$todo})) {
- 	if (ref($results{$todo}) eq 'ARRAY')  {
- 	    $slot = $results{$todo}[0];
- 	} elsif (ref($results{$todo}) eq 'HASH')  {
- 	    $slot = $results{$todo}{'slot'};
- 	}
- 	if (defined($slot)) {
  	    my %slot_data=&Apache::lonnet::get_slot($slot);
  	    if ($slot_data{'endtime'} > time) {
  		return 'in_progress';
  	    }
+ 	} else {
+ 	    my ($symb) = &decode_queue_key($todo);
+ 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
+ 	    if ($due_date > time) {
+ 		return 'in_progress';
+ 	    }
  	}
  	return 'enqueued';
      }
- Line 1060  sub add_to_queue {
+ Line 1393  sub add_to_queue {
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
      my %data;
-     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
+     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
      return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
  }
+ sub get_limited_classlist {
+     my ($sections) = @_;
+     my $classlist = &Apache::loncoursedata::get_classlist();
+     foreach my $student (keys(%$classlist)) {
+ 	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
+ 	     ne 'Active') {
+ 	    delete($classlist->{$student});
+        	}
+     }
+     if (ref($sections) && !grep('all',@{ $sections })) {
+ 	foreach my $student (keys(%$classlist)) {
+ 	    my $section  =
+ 		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
+ 	    if (! grep($section,@{ $sections })) {
+ 		delete($classlist->{$student});
+ 	    }
+ 	}
+     }
+     return $classlist;
+ }
  sub show_queue {
      my ($queue,$with_selects)=@_;
      my $result;
- Line 1073  sub show_queue {
+ Line 1430  sub show_queue {
      my @chosen_sections=
  	&Apache::loncommon::get_env_multiple('form.chosensections');
-     &Apache::grades::init_perm();
-     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
+     my $classlist = &get_limited_classlist(\@chosen_sections);
-     &Apache::grades::reset_perm();
      if (!(grep(/^all$/,@chosen_sections))) {
  	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
  	    '</tt>.</p> '."\n";
      }
+     my ($view,$view_section);
+     my $scope = $env{'request.course.id'};
+     if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
+ 	$scope .= '/'.$env{'request.course.sec'};
+ 	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
+ 	    $view_section=$env{'request.course.sec'};
+ 	} else {
+ 	    undef($view);
+ 	}
+     }
      my $regexp="^$symb\0";
      my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
      my ($tmp)=%queue;
      if ($tmp=~/^error: 2 /) {
- 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
+ 	return "\n<h3>Current Queue - $queue</h3>".
-     }
+ 	    &Apache::loncommon::start_data_table().
-     $result.="\n<h3>Current Queue - $symb $queue </h3><table border='1'><tr>";
+ 	    &Apache::loncommon::start_data_table_row().
-     if ($with_selects) { $result.="<th></th>"; }
+ 	    '<td>'.&mt('Empty').'</td>'.
-     $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
+ 	    &Apache::loncommon::end_data_table_row().
+ 	    &Apache::loncommon::end_data_table();
+     }
+     my $title=&Apache::lonnet::gettitle($symb);
+     $result.="\n<h3>Current Queue - $title $queue </h3>".
+ 	&Apache::loncommon::start_data_table().
+ 	&Apache::loncommon::start_data_table_header_row();
+     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
+     $result.="<th>user</th><th>data</th>".
+ 	&Apache::loncommon::end_data_table_header_row();
      foreach my $key (sort(keys(%queue))) {
  	my ($symb,$uname,$udom) = &decode_queue_key($key);
  	if (!defined($classlist->{$uname.':'.$udom})) { next; }
+ 	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
+ 	my $can_view=1;
+ 	if (!$view
+ 	    || ($view_section && !$section)
+ 	    || ($view_section && $section && ($view_section ne $section))) {
+ 	    $can_view=0;
+ 	}
  	if ($key=~/locked$/ && !$with_selects) {
- 	    my $title=&Apache::lonnet::gettitle($symb);
+ 	    $result.= &Apache::loncommon::start_data_table_row().
- 	    $result.="<tr><td>$title</td><td>$uname</td>";
+ 		"<td>$uname</td>";
- 	    $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
+ 	    $result.='<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 $title=&Apache::lonnet::gettitle($symb);
+ 	    $result.= &Apache::loncommon::start_data_table_row();
- 	    $result.="<tr>";
+ 	    my ($end_time,$slot_text);
- 	    my $slot=$queue{$key}->[0];
+ 	    if (my $slot=&slotted_access($queue{$key})) {
- 	    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 $me=$env{'user.name'}.':'.$env{'user.domain'};
+ 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
  		    if ($me eq $queue{"$key\0locked"}) {
  			($action,$description)=('resume',&mt('Resume'));
  		    } else {
- Line 1124  sub show_queue {
+ Line 1516  sub show_queue {
  		    $seclist.='<input type="hidden" name="chosensections"
                                 value="'.$sec.'" />';
  		}
- 		if (time > $slot_data{'endtime'}) {
+ 		if ($can_view && ($end_time ne '' && time > $end_time)) {
  		    $result.=(<<FORM);
+ <td>$status</td>
  <td>
- <form method="POST">
+ <form style="display: inline" method="post">
   <input type="hidden" name="gradingkey" value="$ekey" />
   <input type="hidden" name="queue" value="$queue" />
   <input type="hidden" name="gradingaction" value="$action" />
- Line 1138  sub show_queue {
+ Line 1531  sub show_queue {
  </form>
  </td>
  FORM
+                 } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
+ 		    $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
                  } else {
- 		    $result.='<td>'.&mt("In Progress").'</td>'
+ 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
  		}
  	    }
- 	    $result.="<td>$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.' End time: '.
- 		"</td></tr>";
+ 		&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;
  }
- Line 1159  sub get_queue_counts {
+ Line 1554  sub get_queue_counts {
      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
+     my $classlist=&get_limited_classlist();
      my $regexp="^$symb\0";
      my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
      my ($tmp)=%queue;
- Line 1166  sub get_queue_counts {
+ Line 1564  sub get_queue_counts {
  	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);
+ 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
  	if ($key=~/locked$/) {
  	    $locks++;
  	} elsif ($key=~/timestamp$/) {
  	    #ignore
  	} elsif ($key!~/(timestamp|locked)$/) {
- 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
  	    $entries++;
- 	    my $slot=$queue{$key}->[0];
+ 	    if (my $slot=&slotted_access($queue{$key})) {
- 	    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++;
+ 		}
  	    }
  	}
      }
- Line 1186  sub get_queue_counts {
+ Line 1595  sub get_queue_counts {
  sub encode_queue_key {
      my ($symb,$udom,$uname)=@_;
-     return "$symb\0queue\0$uname\@$udom";
+     return "$symb\0queue\0$uname:$udom";
  }
  sub decode_queue_key {
      my ($key)=@_;
      my ($symb,undef,$user) = split("\0",$key);
-     my ($uname,$udom) = split('@',$user);
+     my ($uname,$udom) = split(':',$user);
      return ($symb,$uname,$udom);
  }
- Line 1211  sub queue_key_locked {
+ Line 1620  sub queue_key_locked {
      return undef;
  }
+ sub slotted_access {
+     my ($queue_entry) = @_;
+     if (ref($queue_entry) eq 'ARRAY') {
+ 	if (defined($queue_entry->[0])) {
+ 	    return $queue_entry->[0];
+ 	}
+ 	return undef;
+     } elsif (ref($queue_entry) eq 'HASH') {
+ 	if (defined($queue_entry->{'slot'})) {
+ 	    return $queue_entry->{'slot'};
+ 	}
+ 	return undef;
+     }
+     return undef;
+ }
  sub pick_from_queue_data {
-     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
+     my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
+     my @possible; # will hold queue entries that are valid to be selected
      foreach my $key (keys(%$queuedata)) {
  	if ($key =~ /\0locked$/) { next; }
  	if ($key =~ /\0timestamp$/) { next; }
  	my ($symb,$uname,$udom)=&decode_queue_key($key);
+ 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
  	if ($check_section) {
- 	    my $section=&Apache::lonnet::getsection($uname,$udom);
+ 	    my $section =
+ 		$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
  	    if ($section eq $check_section) {
  		&Apache::lonxml::debug("my sec");
  		next;
  	    }
  	}
- 	my $slot=$queuedata->{$key}[0];
+ 	my $end_time;
- 	my %slot_data=&Apache::lonnet::get_slot($slot);
+ 	if (my $slot=&slotted_access($queuedata->{$key})) {
- 	if ($slot_data{'endtime'} > time) {
+ 	    &Apache::lonxml::debug("looking at slot $slot");
- 	    &Apache::lonxml::debug("not time");
+ 	    my %slot_data=&Apache::lonnet::get_slot($slot);
- 	    next;
+ 	    if ($slot_data{'endtime'} < time) {
+ 		$end_time = $slot_data{'endtime'};
+ 	    } else {
+ 		&Apache::lonxml::debug("not time ".$slot_data{'endtime'});
+ 		next;
+ 	    }
+ 	} else {
+ 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
+ 	    if ($due_date < time) {
+ 		$end_time = $due_date;
+ 	    } else {
+ 		&Apache::lonxml::debug("not time $due_date");
+ 		next;
+ 	    }
  	}
- 	if (&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 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 1262  sub find_mid_grade {
+ Line 1719  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 $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
- Line 1282  sub get_queue_symb_status {
+ Line 1739  sub get_queue_symb_status {
  	$cnum=$env{'course.'.$cid.'.num'};
  	$cdom=$env{'course.'.$cid.'.domain'};
      }
+     my $classlist=&get_limited_classlist();
      my $regexp="^$symb\0";
      my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
      my ($tmp)=%queue;
- Line 1291  sub get_queue_symb_status {
+ Line 1750  sub get_queue_symb_status {
  	next if ($key=~/locked$/);
  	next if ($key=~/timestamp$/);
  	my ($symb,$uname,$udom) = &decode_queue_key($key);
+ 	next if (!defined($classlist->{$uname.':'.$udom}));
  	push(@users,"$uname:$udom");
      }
      return @users;
- Line 1305  sub get_from_queue {
+ Line 1765  sub get_from_queue {
      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::cput($queue,{"$symb\0timestamp"=>$starttime},
  			      $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 1332  sub get_from_queue {
+ Line 1802  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 1351  sub get_from_queue {
+ Line 1824  sub get_from_queue {
  		&Apache::lonnet::del($queue,["$todo\0locked"],
  				     $cdom,$cnum);
  		&Apache::lonxml::debug("del");
+ 		$attempts++;
  		next;
  	    }
  	}
- Line 1365  sub select_user {
+ Line 1839  sub select_user {
      my @chosen_sections=
  	&Apache::loncommon::get_env_multiple('form.chosensections');
-     &Apache::grades::init_perm();
-     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
+     my $classlist = &get_limited_classlist(\@chosen_sections);
-     &Apache::grades::reset_perm();
      my $result;
      if (!(grep(/^all$/,@chosen_sections))) {
  	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
  	    '</tt>.</p> '."\n";
      }
-     $result.='<table border="1">';
+     $result.=&Apache::loncommon::start_data_table();
-     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
+     foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
  	my ($uname,$udom) = split(/:/,$student);
  	my $cnum=$env{'course.'.$cid.'.num'};
- Line 1397  sub select_user {
+ Line 1870  sub select_user {
  	    }
  	}
  	my $todo =
- 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
+ 	    &escape(&encode_queue_key($symb,$udom,$uname));
  	if ($cannot_grade) {
- 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
+ 	    $result.=&Apache::loncommon::start_data_table_row().
+ 		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
  		'</td><td>';
  	} else {
  	    my $seclist;
- Line 1407  sub select_user {
+ Line 1881  sub select_user {
  		$seclist.='<input type="hidden" name="chosensections"
                                 value="'.$sec.'" />';
  	    }
+ 	    $result.=&Apache::loncommon::start_data_table_row();
  	    $result.=<<RESULT;
- <tr>
    <td>
-     <form method="POST">
+     <form style="display: inline" method="post">
        <input type="hidden" name="gradingkey" value="$todo" />
        <input type="hidden" name="queue" value="$queue" />
        <input type="hidden" name="webgrade" value="no" />
- Line 1418  sub select_user {
+ Line 1892  sub select_user {
        <input type="submit" name="submit" value="Regrade" />
        $seclist
      </form>
-   <td>$fullname->{$student}</td>
+   <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
    <td>
  RESULT
          }
- Line 1438  RESULT
+ Line 1912  RESULT
  	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');
- Line 1454  RESULT
+ Line 1931  RESULT
  	} else {
  	    $result.="&nbsp;";
  	}
- 	$result.= '</td></tr>';
+ 	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
      }
-     $result.='</table>';
+     $result.=&Apache::loncommon::end_data_table();
      return $result;
  }
- Line 1501  sub end_ClosingParagraph {
+ Line 1978  sub end_ClosingParagraph {
      return $result;
  }
+ sub get_dim_id {
+     return $Apache::bridgetask::dimension[-1];
+ }
  sub get_id {
      my ($parstack,$safeeval)=@_;
      my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
- Line 1508  sub get_id {
+ Line 1989  sub get_id {
      return $id;
  }
- my %dimension;
+ sub start_Setup {
- sub start_Dimension {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-     undef(%dimension);
+     #undef(%dimension);
-     my $dim_id=&get_id($parstack,$safeeval);
+     my $dim = &get_id($parstack,$safeeval);
-     $Apache::bridgetask::dimension=$dim_id;
+     push(@Apache::bridgetask::dimension,$dim);
-     push(@Apache::bridgetask::dimensionlist,$dim_id);
+     &Apache::lonxml::startredirection();
-     undef(@Apache::bridgetask::instance);
+     return &internal_location($dim);
-     $Apache::bridgetask::dimensionmandatory{$dim_id}=
+ }
- 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ {
+     my @allowed;
+     sub enable_dimension_parsing {
+ 	my ($id) = @_;
+ 	push(@allowed,$id);
+     }
+     sub disable_dimension_parsing {
+ 	pop(@allowed);
+     }
+     sub skip_dimension_parsing {
+ 	my ($check) = @_;
+ 	if (!@allowed) { return 0;}
+ 	# if unspecified allow any id
+ 	if ($allowed[-1] eq undef) { return 0;}
+ 	return ($check ne $allowed[-1]);
+     }
+ }
+ sub start_Question { return &start_Dimension(@_); }
+ sub start_Dimension {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     my $dim = &get_id($parstack,$safeeval);
+     my $previous_dim;
+     if (@Apache::bridgetask::dimension) {
+ 	$previous_dim = $Apache::bridgetask::dimension[-1];
+ 	push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
+ 	     $dim);
+ 	if(&skip_dimension_parsing($dim)) {
+ 	    $dimension{$previous_dim}{'criteria.'.$dim} =
+ 		$token->[4]
+ 		.&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
+ 					      $style)
+ 		.'</'.$tagstack->[-1].'>';
+ 	}
+ 	$dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
+ 	$dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
+ 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ 	push(@{$dimension{$previous_dim}{'criterias'}},$dim);
+ 	$dimension{$dim}{'nested'}=$previous_dim;
+ 	&Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
+     } else {
+ 	$Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}=
+ 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+     }
+     push(@Apache::bridgetask::dimension,$dim);
      &Apache::lonxml::startredirection();
-     return &internal_location($dim_id);
+     &enable_dimension_parsing($dim);
+     return &internal_location($dim);
+ }
+ sub start_QuestionText {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     my $dim = &get_dim_id();
+     my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+ 	$dimension{$dim}{'questiontext'}=$text;
+     }
+     return '';
+ }
+ sub end_QuestionText {
+     return '';
  }
  sub get_instance {
- Line 1529  sub get_instance {
+ Line 2070  sub get_instance {
  	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
  	$rand_alg eq '64bit4' ) {
  	&Apache::response::pushrandomnumber();
- 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
+ 	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
  	my $num=@order;
  	my $version=&get_version();
  	my $which=($version-1)%$num;
- Line 1541  sub get_instance {
+ Line 2082  sub get_instance {
  	if (defined($instance)) { return $instance; }
  	&Apache::response::pushrandomnumber();
- 	my @instances = @{$dimension{'instances'}};
+ 	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
- 	# remove disabled instances
+ 	    my @instances = @{$dimension{$dim}{'instances'}};
- 	for (my $i=0; $i < $#instances; $i++) {
+ 	    # remove disabled instances
- 	    if ($dimension{$instances[$i].'.disabled'}) {
+ 	    for (my $i=0; $i < $#instances; $i++) {
- 		splice(@instances,$i,1);
+ 		if ($dimension{$dim}{$instances[$i].'.disabled'}) {
- 		$i--;
+ 		    splice(@instances,$i,1);
+ 		    $i--;
+ 		}
+ 	    }
+ 	    @instances = &Math::Random::random_permutation(@instances);
+ 	    $instance  = $instances[($version-1)%scalar(@instances)];
+ 	    if ($version =~ /^\d$/) {
+ 		$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} =
+ 		    $instance;
+ 		$Apache::lonhomework::results{'INTERNAL_store'} = 1;
  	    }
  	}
- 	@instances = &Math::Random::random_permutation(@instances);
- 	$instance  = $instances[($version-1)%scalar(@instances)];
- 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} =
- 	    $instance;
- 	$Apache::lonhomework::results{'INTERNAL_store'} = 1;
  	&Apache::response::poprandomnumber();
  	return $instance;
      }
  }
+ sub get_criteria {
+     my ($what,$version,$dim,$id) = @_;
+     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+     my $prefix = ($type eq 'criteria') ? "$dim.$id"
+ 	                               : "$id";
+     my $entry = "resource.$version.0.$prefix.$what";
+     if (exists($Apache::lonhomework::results{$entry})) {
+ 	return $Apache::lonhomework::results{$entry};
+     }
+     return $Apache::lonhomework::history{$entry};
+ }
  {
      my $last_link;
+     sub link {
+ 	my ($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=&Apache::lonxml::endredirection();
  	my $dim=&get_id($parstack,$safeeval);
+ 	if (&skip_dimension_parsing($dim)) {
+ 	    &disable_dimension_parsing($dim);
+ 	    pop(@Apache::bridgetask::dimension);
+ 	    return;
+ 	}
  	my $instance=&get_instance($dim);
  	my $version=&get_version();
  	if ($target eq 'web') {
- 	    @Apache::scripttag::parser_env = @_;
+ 	    $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
- 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
  	    my @instances = $instance;
  	    if (&Apache::response::showallfoils()) {
- 		@instances = @{$dimension{'instances'}};
+ 		@instances = @{$dimension{$dim}{'instances'}};
  	    }
+ 	    my $shown_question_text;
  	    foreach my $instance (@instances) {
- 		@Apache::scripttag::parser_env = @_;
+ 		$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
- 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
+ 					 [@_]);
- 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
+ 		$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
- 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
+ 					 [@_],{'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});
+ 			}
+ 		    }
+ 		} else {
  		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
  		    my $mandatory='Mandatory';
- 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
+ 		    if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
  			$mandatory='Optional';
  		    }
- 		    my $dim_info="<div class='$dim_status'>\n";
+ 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
  		    if ($dim_status eq 'pass') {
  			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
  		    }
- Line 1596  sub get_instance {
+ Line 2178  sub get_instance {
  		    my $man_passed=0;
  		    my $opt_count=0;
  		    my $opt_passed=0;
- 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 		    foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
- 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'}
+ 				     @{$dimension{$dim}{'criterias'}} ) {
+ 			my $status = &get_criteria('status',$version,$dim,$id);
+ 			if ($dimension{$dim}{'criteria.'.$id.'.mandatory'}
  			    eq 'N') {
  			    $opt_count++;
- 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
+ 			    if ($status eq 'pass') { $opt_passed++; }
- 				$opt_passed++;
- 			    }
  			} else {
  			    $man_count++;
- 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
+ 			    if ($status eq 'pass') { $man_passed++; }
- 				$man_passed++;
- 			    }
  			}
  		    }
  		    if ($man_passed eq $man_count) { $man_passed='all'; }
- 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
- 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
+ 		    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; }
+ 		    }
  		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
  		    my $internal_location=&internal_location($dim);
  		    $result=~s/\Q$internal_location\E/$dim_info/;
- 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 		    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
- 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
+ 				    @{$dimension{$dim}{'criterias'}}) {
- 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
+ 			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
- 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
+ 			if ($type eq 'dimension') {
- 			if ($mandatory) {
+ 			    $result.=$dimension{$id}{'result'};
- 			    $mandatory='Mandatory';
+ 			    next;
- 			} else {
- 			    $mandatory='Optional';
  			}
- 			if ($status eq 'fail') {
- 			} elsif ($status eq 'pass') {
- 			} else {
- 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
- 			}
- 			my $status_display=$status;
- 			$status_display=~s/^([a-z])/uc($1)/e;
- 			@Apache::scripttag::parser_env = @_;
- 			$result.='<div class="'.$status.'"><h4>'.$mandatory.
- 			    ' Criteria</h4><p>';
- 			@Apache::scripttag::parser_env = @_;
- 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
- 			$result.='</p><p class="grade">'.$status_display.'</p>';
- 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
- 			    $result.='<p class="comment">'.$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}.'</p>';
- 			}
- 			$result.='</div>';
  		    }
  		}
  	    }
  	} elsif ($target eq 'webgrade') {
  	    # in case of any side effects that we need
- 	    @Apache::scripttag::parser_env = @_;
+ 	    &nested_parse(\$dimension{$dim}{'intro'},[@_]);
- 	    &Apache::scripttag::xmlparse($dimension{'intro'});
+ 	    &nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
- 	    @Apache::scripttag::parser_env = @_;
+ 	    $result.=
- 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
+ 		&nested_parse(\$dimension{$dim}{'questiontext'},[@_],
- 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 			      {'set_dim_id'          => undef,
- 		my $link='criteria_'.$instance.'_'.$id;
+ 			       'delayed_dim_results' => 1});
- 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
+ 	    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
- 		$result.='<tr><td width="100%" valign="top">'.
+ 			    @{$dimension{$dim}{'criterias'}} ) {
- 		    '<a name="'.$link.'" />'.
+ 		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
- 		    '<a name="next_'.$last_link.'" />'.
+ 		if ($type eq 'dimension') {
- 		    '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';
+ 		    # dimensional 'criteria' don't get assigned grades
- 		@Apache::scripttag::parser_env = @_;
+ 		    $result.=
- 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
+ 			&nested_parse(\$dimension{$dim}{'criteria.'.$id},
- 		$result.='</textarea>'.
+ 				      [@_],{'set_dim_id' => $id});
- 		    #$dimension{$instance.'.criteria.'.$id}.
+ 		    next;
- 		    '</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.$version.0.$dim.$instance.$id.comment"}).'</textarea>'.
+ 		my $link=&link($id);
- 		    '</td>'.
+ 		my $status= &get_criteria('status',$version,$dim,$id);
- 		    '<td>'.
+ 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
- 		    '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.
+ 		    '<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
- 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
+ 		$result.=
- 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
+ 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},[@_]);
- 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
- 		    '</td>'.
+ 		$result.='</div>'."\n".
- 		    '<td>'.
+ 		    '<div class="LC_GRADING_grade">'."\n".
- 		    '<a href="#'.$last_link.'">Prev</a><br />'.
+ 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
- 		    '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
+ 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
- 		    '</td></tr>';
+ 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
+ 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
+ 		    '</div>'."\n".
+ 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
+ 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode(&get_criteria('comment',$version,$dim,$id),'<>"&').'</textarea>'."\n".
+ 		    '</label>'."\n".
+ 		    '<ul class="LC_GRADING_navbuttons">'."\n".
+ 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
+ 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
+ 		    '</ul>'."\n".
+                     '</div>'."\n";
+ 		$result.=&grading_history($version,$dim,$id);
  		$last_link=$link;
  	    }
+ 	    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;
- 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
- 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
+ 	    $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
- 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
+ 	    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
- 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
+ 				     [@_]);
+ 	    $result .= &nested_parse(\$dimension{$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});
+ 		}
+ 		my $status= &get_criteria('status',$version,$dim,$id);
+ 		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
  		if ($status eq 'pass') {
  		    if (!$mandatory) { $optional_passed++; }
  		} elsif ($status eq 'fail') {
- Line 1701  sub get_instance {
+ Line 2304  sub get_instance {
  		    $ungraded++;
  		}
  	    }
- 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
+ 	    # FIXME optional required can apply to only <instance> right now...
+ 	    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{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
+ 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
  	    if ($review) {
  		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
  		    'review';
- Line 1722  sub get_instance {
+ Line 2333  sub get_instance {
  	    # any other targets no output
  	    undef($result);
  	}
+ 	&disable_dimension_parsing();
+ 	pop(@Apache::bridgetask::dimension);
+ 	return $result;
+     }
+     sub end_Setup {
+ 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ 	my $result=&Apache::lonxml::endredirection();
+ 	my $dim=&get_id($parstack,$safeeval);
+ 	my $instance=&get_instance($dim);
+ 	my $version=&get_version();
+ 	if ($target eq 'web') {
+ 	    @Apache::scripttag::parser_env = @_;
+ 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+ 	    my @instances = $instance;
+ 	    if (&Apache::response::showallfoils()) {
+ 		@instances = @{$dimension{$dim}{'instances'}};
+ 	    }
+ 	    foreach my $instance (@instances) {
+ 		@Apache::scripttag::parser_env = @_;
+ 		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
+ 		@Apache::scripttag::parser_env = @_;
+ 		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+ 	    }
+ 	} elsif ($target eq 'webgrade'
+ 		 || $target eq 'grade' && $env{'form.webgrade'}) {
+ 	    # in case of any side effects that we need
+ 	    @Apache::scripttag::parser_env = @_;
+ 	    &Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+ 	    @Apache::scripttag::parser_env = @_;
+ 	    &Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
+ 	    @Apache::scripttag::parser_env = @_;
+ 	    &Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+ 	} else {
+ 	    # any other targets no output
+ 	    undef($result);
+ 	}
+ 	pop(@Apache::bridgetask::dimension);
  	return $result;
      }
  }
+ sub grading_history {
+     my ($version,$dim,$id) = @_;
+     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
+ 	return '';
+     }
+     my ($result,$grader);
+     my $scope="resource.$version.0.$dim.$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) {
+ 	    $result.= "<li>$grader : $entry </li>";
+ 	}
+     }
+     if ($result) {
+ 	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
+     }
+     return '';
+ }
  sub start_IntroParagraph {
      my ($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') {
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
- 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
+ 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
+ 	    $dimension{$dim}{'intro'}=
- 	} elsif ($target eq 'webgrade') {
+ 		&Apache::lonxml::get_all_text('/introparagraph',
- 	    &Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
+ 					      $parser,$style);
+        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
+ 	    &Apache::lonxml::startredirection();
  	}
      }
- Line 1742  sub start_IntroParagraph {
+ Line 2425  sub start_IntroParagraph {
  }
  sub end_IntroParagraph {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
+ 	my $result = &Apache::lonxml::endredirection();
+     }
  }
  sub start_Instance {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-     my $id=&get_id($parstack,$safeeval);
+     my $dim = &get_dim_id();
-     push(@{$dimension{'instances'}},$id);
+     my $id  = &get_id($parstack,$safeeval);
-     push(@Apache::bridgetask::instance,$id);
+     push(@{$dimension{$dim}{'instances'}},$id);
+     push(@{$Apache::bridgetask::instance{$dim}},$id);
      push(@Apache::bridgetask::instancelist,$id);
-     $dimension{$id.'.optionalrequired'}=
+     $dimension{$dim}{$id.'.optionalrequired'}=
  	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
      my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
      if (lc($disabled) eq 'yes') {
- 	$dimension{$id.'.disabled'}='1';
+ 	$dimension{$dim}{$id.'.disabled'}='1';
      }
      return '';
  }
- Line 1764  sub end_Instance {
+ Line 2452  sub end_Instance {
  sub start_InstanceText {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-     my $instance_id=$Apache::bridgetask::instance[-1];
+     my $dim = &get_dim_id();
+     my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
      my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
-     if ($target eq 'web' || $target eq 'webgrade') {
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
- 	$dimension{$instance_id.'.text'}=$text;
+ 	$dimension{$dim}{$instance_id.'.text'}=$text;
      }
      return '';
  }
- Line 1778  sub end_InstanceText {
+ Line 2467  sub end_InstanceText {
  sub start_Criteria {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-     my $instance_id=$Apache::bridgetask::instance[-1];
      my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
+     my $result = '';
      if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
+ 	my $dim = &get_dim_id();
  	my $id=&get_id($parstack,$safeeval);
- 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
+ 	&Apache::lonxml::debug("Criteria $id with $dim");
- 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
+ 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
- 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ 	    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
- 	push(@{$dimension{$instance_id.'.criterias'}},$id);
+ 	    $dimension{$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);
+ 	    my $version=&get_version();
+ 	    my $task_status =
+ 		$Apache::lonhomework::history{"resource.$version.0.status"};
+ 	    if ($target eq 'web'
+ 		&& ($task_status eq 'pass' || $task_status eq 'fail')) {
+ 		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;
+ 		$result.=
+ 		    '<div class="LC_'.$status.' LC_criteria"><h4>'
+ 		    .$mandatory.' Criteria</h4><p>';
+ 		$result.=
+ 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},[@_]);
+ 		$result.='</p><p class="LC_grade">'.$status_display.'</p>';
+ 		if ($comment =~ /\w/) {
+ 		    $result.='<p class="LC_comment">'.
+ 			&mt('Comment: [_1]',$comment).'</p>';
+ 		}
+ 		$result.='</div>';
+ 	    }
+ 	}
      }
-     return '';
+     return $result;
  }
  sub end_Criteria {
  }
+ sub start_GraderNote {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     if ($target eq 'webgrade') {
+ 	return '<div class="LC_GRADING_gradernote"><b>'.
+ 	    &mt('Note to graders:').'</b>';
+     }
+     my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style);
+     return;
+ }
+ sub end_GraderNote {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     if ($target eq 'webgrade') {
+ 	return '</div>';
+     }
+     return;
+ }
  sub proctor_validation_screen {
      my ($slot) = @_;
      my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
- Line 1809  sub proctor_validation_screen {
+ Line 2560  sub proctor_validation_screen {
  <h2>Proctor Validation</h2>
      <p>Your room's proctor needs to validate your access to this resource.</p>
      $msg
- <form name="checkout" method="POST" action="$env{'request.uri'}">
+ <form name="checkout" method="post" action="$env{'request.uri'}">
  <input type="hidden" name="validate" value="yes" />
  <input type="hidden" name="submitted" value="yes" />
  <table>
- Line 1824  sub proctor_validation_screen {
+ Line 2575  sub proctor_validation_screen {
        <tr><td colspan="2">Student who should be logged in is:</td></tr>
        <tr><td>Name:</td><td>$name</td></tr>
        <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
-       <tr><td>Usename</td><td>$user\@$domain</td></tr>
+       <tr><td>Usename</td><td>$user:$domain</td></tr>
        <tr><td colspan="2"><img src="$url" /></td></tr>
      </table>
    </tr></td>

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

Removed from v.1.93
changed lines
	Added in v.1.184.2.2