loncom/homework/bridgetask.pm - diff

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Diff for /loncom/homework/bridgetask.pm between versions 1.26 and 1.184.2.4

-version 1.26, 2005/05/19 21:28:06
+version 1.184.2.4, 2006/11/06 17:50:17
  Line 36  use Apache::File();
  use Apache::lonmenu;
  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
      $Apache::bridgetask::queue_key='';
+     undef(%dimension);
  }
  sub proctor_check_auth {
-     my ($slot_name,$slot)=@_;
+     my ($slot_name,$slot,$type)=@_;
      my $user=$env{'form.proctorname'};
      my $domain=$env{'form.proctordomain'};
      my @allowed=split(",",$slot->{'proctor'});
      foreach my $possible (@allowed) {
- 	my ($puser,$pdom)=(split('@',$possible));
+ 	my ($puser,$pdom)=(split(':',$possible));
  	if ($puser eq $user && $pdom eq $domain) {
- 	    my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
+ 	    my $authenticated=0;
- 	    if ($authhost ne 'no_host') {
+ 	    if ( $slot->{'secret'} =~ /\S/ &&
- 		my $version=
+ 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
- 		    $Apache::lonhomework::results{'resource.version'}=
+ 		$authenticated=1;
- 		    $Apache::lonhomework::history{'resource.version'}++;
+ 	    } else {
- 		$Apache::lonhomework::results{"resource.$version.checkedin"}=
- 		    $user.'@'.$domain;
+ 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
- 		$Apache::lonhomework::results{"resource.$version.checkedin.slot"}=
+ 		if ($authhost ne 'no_host') {
- 		    $slot_name;
+ 		    $authenticated=1;
+ 		}
+ 	    }
+ 	    if ($authenticated) {
+ 		&check_in($type,$user,$domain,$slot_name);
  		return 1;
  	    }
  	}
- Line 83  sub proctor_check_auth {
+ Line 91  sub proctor_check_auth {
      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'} &&
- 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.status'})) {
+ 	$env{'form.previousversion'} ne 'current' &&
- 	return $env{'form.previousversion'};
+ 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
+ 	$version=$env{'form.previousversion'};
+ 	$previous=1;
+     } else {
+ 	if (defined($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;
      }
-     return $Apache::lonhomework::history{'resource.version'};
+     if (wantarray) {
+ 	return ($version,$previous);
+     }
+     return $version;
  }
  sub add_previous_version_button {
      my ($status)=@_;
      my $result;
-     if ($Apache::lonhomework::history{'resource.version'} eq '0') {
+     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
  	return '';
      }
-     my $version=&get_version();
+     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
-     if ($version ne $Apache::lonhomework::history{'resource.version'}) {
+ 	$status ne 'NEEDS_CHECKIN') {
  	return '';
      }
+     my $version=&get_version();
-     $result.=&mt(' Show a previously done version: [_1]','<select name="previousversion">
+     if ($env{'form.previousversion'} ne '' &&
- <option>Pick one</option>
+ 	$env{'form.previousversion'} eq $version) {
- </select>');
+ 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
+ 	    "</h3>\n";
+     }
+     my @to_show;
+     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
+ 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
+ 	    push(@to_show,$test_version);
+ 	}
+     }
+     my $list='<option>'.
+ 	join("</option>\n<option>",@to_show).
+ 	     "</option>\n";
+     $list.='<option value="current">'.&mt('Current').'</option>';
+     $result.='<form name="getprevious" method="post" action="';
+     my $uri=$env{'request.uri'};
+     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
+     $result.=$uri.'">'.
+ 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
+ <option>'.&mt('Pick one').'</option>
+ '.$list.'
+ </select>')."</form>";
      return $result;
  }
  sub add_grading_button {
-     my $result;
+     my (undef,$cid)=&Apache::lonxml::whichuser();
-     $result.=' <input type="submit" name="gradeasubmission" value="'.
+     my $cnum=$env{'course.'.$cid.'.num'};
+     my $cdom=$env{'course.'.$cid.'.domain'};
+     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
+     my $size=5;
+     if (scalar(keys(%sections)) < 3) {
+ 	$size=scalar(keys(%sections))+2;
+     }
+     my $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
+     $sec_select .= "<option value='all' selected='selected'>all</option>\n";
+     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
+ 	$sec_select .= "<option value=\"$sec\">$sec</option>\n";
+     }
+     $sec_select .= "<option value='none'>none</option></select>\n";
+     my $result=' <input type="submit" name="gradeasubmission" value="'.
  	&mt("Get a submission to grade").'" />';
      $result.='<input type="hidden" name="grade_target" value="webgrade" />';
+     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
+ 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
+ 	$result.='<table><tr>';
+ 	$result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
+ 	$result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
+ 	    &mt("Select an entry from the grading queue:").'" /> ';
+ 	$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
+ 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
+ 	$result.='<tr><td>'.
+ 	    ' <input type="submit" name="reviewasubmission" value="'.
+ 	    &mt("Select an entry from the review queue:").'" /> ';
+ 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
+ 		     $entries,$ready,$locks).'</td></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 $result;
  }
  sub add_request_another_attempt_button {
+     my ($text)=@_;
+     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) {
+ 	$text="Change reservation.";
+ 	$action='change_reservation';
+ 	my $description=&Apache::slotrequest::get_description($slot_name,
+ 							      $slot);
+ 	$result.=(<<STUFF);
+ <p> Will be next available: $description </p>
+ STUFF
+     }
+     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
+     $symb=&escape($symb);
+     $result.='<form method="post" action="/adm/slotrequest">'.
+ 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
+ 	'<input type="hidden" name="command" value="'.$action.'" />'.
+ 	'<input type="submit" name="requestattempt" value="'.
+ 	&mt($text).'" />'.
+ 	'</form>';
+     return $result;
+ }
+ sub preserve_grade_info {
+     my $result;
+     # if we are viewing someone else preserve that info
+     if (defined $env{'form.grade_symb'}) {
+ 	foreach my $field ('symb','courseid','domain','username') {
+ 	    $result .= '<input type="hidden" name="grade_'.$field.
+ 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
+ 	}
+     }
+     return $result;
+ }
+ sub style {
+     my ($target) = @_;
+     if ($target eq 'web'
+ 	|| $target eq 'webgrade') {
+ 	my $style = (<<STYLE);
+ <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
+ STYLE
+         if ($env{'browser.type'} eq 'explorer'
+ 	    && $env{'browser.os'} eq 'win' ) {
+ 	    if ($env{'browser.version'} < 7) {
+ 		$style .= (<<STYLE);
+ <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie.css" />
+ STYLE
+             } else {
+ 		$style .= (<<STYLE);
+ <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie7.css" />
+ STYLE
+ 	    }
+ 	}
+ 	return $style;
+     }
+     return;
+ }
+ sub show_task {
+     my ($status,$previous)=@_;
+     if (!$previous && (
+ 		       ( $status eq 'CLOSED' ) ||
+ 		       ( $status eq 'BANNED') ||
+ 		       ( $status eq 'UNAVAILABLE') ||
+ 		       ( $status eq 'NOT_IN_A_SLOT') ||
+ 		       ( $status eq 'NEEDS_CHECKIN') ||
+ 		       ( $status eq 'WAITING_FOR_GRADE') ||
+ 		       ( $status eq 'INVALID_ACCESS') ||
+ 		       ( &get_version() eq ''))) {
+ 	return 0;
+     }
+     if ($env{'form.donescreen'}) { return 0; }
+     return 1;
+ }
+ my @delay;
+ sub nest {
+     if (@delay) {
+ 	return $delay[-1];
+     } else {
+ 	return;
+     }
+ }
+ sub nested_parse {
+     my ($str,$env,$args) = @_;
+     my @old_env = @Apache::scripttag::parser_env;
+     @Apache::scripttag::parser_env = @$env;
+     if (exists($args->{'set_dim_id'})) {
+ 	&enable_dimension_parsing($args->{'set_dim_id'});
+     }
+     push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
+     my $result = &Apache::scripttag::xmlparse($$str);
+     pop(@delay);
+     if (exists($args->{'set_dim_id'})) {
+ 	&disable_dimension_parsing();
+     }
+     @Apache::scripttag::parser_env = @old_env;
+     if ($args->{'delayed_dim_results'}) {
+ 	my $dim = &get_dim_id();
+ 	&Apache::lonxml::debug(" tossing out $result ");
+ 	&Apache::lonxml::debug(" usining out $dim 's  ". $dimension{$dim}{'result'});
+ 	return $dimension{$dim}{'result'};
+     }
+     return $result;
+ }
+ sub internal_location {
+     my ($id)=@_;
+     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
+ }
+ sub submission_time_stamp {
+     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
+     my $submissiontime;
+     my $version=$Apache::lonhomework::history{'resource.0.version'};
+     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
+ 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
+ 	    && defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
+ 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
+ 	    last;
+ 	}
+     }
      my $result;
-     $result.=' <input type="submit" name="requestattempt" value="'.
+     if ($submissiontime) {
- 	&mt("Request another attempt").'" />';
+ 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
+ 	my %slot=&Apache::lonnet::get_slot($slot_name);
+ 	my $diff = $slot{'endtime'} - $submissiontime;
+ 	my ($color,$when)=('#FF6666','after');
+ 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
+ 	my $info;
+ 	$diff = abs($diff);
+ 	if ($diff%60) { $info=($diff%60).' seconds'; }
+ 	$diff=int($diff/60);
+ 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
+ 	$diff=int($diff/60);
+ 	if ($diff) {    $info=$diff.' hours '.$info; }
+ 	$result='<p><font color="'.$color.'">'.
+ 	    &mt('Student submitted [_1] [_2] the deadline. '.
+ 		'(Submission was at [_3], end of period was [_4].)',
+ 		$info,$when,
+ 		&Apache::lonlocal::locallocaltime($submissiontime),
+ 		&Apache::lonlocal::locallocaltime($slot{'endtime'})).
+ 		'</font></p>';
+     }
+     return $result;
+ }
+ sub file_list {
+     my ($files,$uname,$udom) = @_;
+     if (!defined($uname) || !defined($udom)) {
+ 	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
+     }
+     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
+     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
+     foreach my $partial_file (split(',',$files)) {
+ 	my $file=$file_url.$partial_file;
+ 	$file=~s|/+|/|g;
+ 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
+ 	$file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
+ 	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
+ 	    '</a></span></li>'."\n";
+     }
+     $file_list.="</ul>\n";
+     return $file_list;
+ }
+ sub grade_mode {
+     if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
+ 	return 'regrade';
+     }
+     return 'queue_grade';
+ }
+ sub webgrade_standard_info {
+     my ($version)=&get_version();
+     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
+     my %lt=('done'   => 'Next Item',
+ 	    'stop'   => 'Quit Grading',
+ 	    'fail'   => 'Fail Rest',
+ 	    'cancel' => 'Cancel',
+ 	    );
+     %lt=&Apache::lonlocal::texthash(%lt);
+     my $result=<<INFO;
+   <div class="LC_GRADING_maincontrols">
+ INFO
+     if (&grade_mode() eq 'regrade') {
+ 	$result.=<<INFO;
+     <input type="submit" name="cancel" value="$lt{'cancel'}" />
+ INFO
+     }
+     $result.=<<INFO;
+     <input type="submit" name="next" value="$lt{'done'}" />
+     <input type="submit" name="stop" value="$lt{'stop'}" />
+     <input type="button" name="fail" value="$lt{'fail'}"
+            onclick="javascript:onFailRest()" />
+   </div>
+   $file_list
+ INFO
      return $result;
  }
+ sub done_screen {
+     my ($version) = @_;
+     my $title=&Apache::lonnet::gettitle();
+     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
+     my (undef,undef,$domain,$user)= &Apache::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,$safeeval)=@_;
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
      my ($status,$accessmsg,$slot);
+     &Apache::structuretags::init_problem_globals('Task');
      if ($target ne 'webgrade') {
  	&Apache::structuretags::initialize_storage();
  	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
+ 	if ($env{'request.state'} eq 'construct') {
+ 	    &Apache::structuretags::setup_rndseed($safeeval);
+ 	}
      }
      $Apache::lonhomework::parsing_a_task=1;
-     #should get back a <html> or the neccesary stuff to start XML/MathML
-     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
+     my $name;
- 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
+     if ($target eq 'web' || $target eq 'webgrade') {
+ 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
-     if ($target eq 'web') {
+     }
- 	if ($Apache::lonhomework::modifygrades) {
- 	    $body_tag_start.='<form name="gradesubmission" method="POST" action="';
+     my ($result,$form_tag_start);
+     if ($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::queuegrade
+ 	    || $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'})) {
+ 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
+ 		    '<input type="hidden" name="symb" value="'.$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 ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
+     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
- 	$target eq 'tex') {
+ 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
- 	my $version=&get_version();
+     }
+     if ($target eq 'web'
+ 	|| ($target eq 'grade' && !$env{'form.webgrade'})
+ 	|| $target eq 'answer'
+ 	|| $target eq 'tex') {
+ 	my ($version,$previous)=&get_version();
  	($status,$accessmsg,my $slot_name,$slot) =
- 	    &Apache::lonhomework::check_task_access('0');
+ 	    &Apache::lonhomework::check_slot_access('0','Task');
+ 	if ($status eq 'CAN_ANSWER' && $version eq '') {
+ 	    # CAN_ANSWER mode, and no current version, unproctored access
+ 	    # thus self-checkedin
+ 	    &check_in('Task',undef,undef,$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.solved"}.'";';
+ 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
  	&Apache::run::run($expression,$safeeval);
  	&Apache::lonxml::debug("Got $status");
- 	$body_tag_start.=&add_previous_version_button($status);
+ 	$result.=&add_previous_version_button($status);
- 	if (( $status eq 'CLOSED' ) ||
+ 	if (!&show_task($status,$previous)) {
- 	    ( $status eq 'BANNED') ||
+ 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
- 	    ( $status eq 'UNAVAILABLE') ||
- 	    ( $status eq 'NOT_IN_A_SLOT') ||
- 	    ( $status eq 'NEEDS_CHECKIN') ||
- 	    ( $status eq 'WAITING_FOR_GRADE') ||
- 	    ( $status eq 'INVALID_ACCESS')) {
- 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
  	    if ( $target eq "web" ) {
- 		$result.= $head_tag_start.'</head>'.$body_tag_start;
+ 		if ($env{'request.state'} eq 'construct') {
+ 		    $result.=$form_tag_start;
+ 		}
  		my $msg;
  		if ($status eq 'UNAVAILABLE') {
  		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
  		} elsif ($status eq 'NOT_IN_A_SLOT') {
  		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
+ 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
  		} elsif ($status eq 'NEEDS_CHECKIN') {
  		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
  			'</h1>'.&proctor_validation_screen($slot);
  		} elsif ($status eq 'WAITING_FOR_GRADE') {
  		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
+ 		} elsif ($env{'form.donescreen'}) {
+ 		    $result .= &done_screen($version);
  		} elsif ($status ne 'NOT_YET_VIEWED') {
  		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
  		}
- Line 193  sub start_Task {
+ Line 667  sub start_Task {
  		}
  	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
  		if ($status eq 'NEEDS_CHECKIN') {
- 		    if (&proctor_check_auth($slot_name,$slot)) {
+ 		    if(&proctor_check_auth($slot_name,$slot,'Task')
- 			#FIXME immeadiatly add this to the grading queue
+ 		       && defined($Apache::inputtags::slot_name)) {
-                         #      with slot->{'endtime'} for when grading can
+ 			my $result=
-                         #      begin on this resource
+ 			    &add_to_queue('gradingqueue',
- 			# FIXME I think the above is done by default,
+ 					  {'type' => 'Task',
-                         #        need to check that
+ 					   'time' => time,
-                         #        failure doesn't do this.
+ 					   'slot' =>
-  		    }
+ 					       $Apache::inputtags::slot_name});
+ 			&Apache::lonxml::debug("add_to_queue said $result");
+ 		    }
  		}
  	    }
  	} elsif ($target eq 'web') {
- 	    my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
- 	    $result.="$head_tag_start<title>$name</title></head>
+ 	    $result.=&preserve_grade_info();
-               $body_tag_start \n $form_tag_start".
+ 	    $result.=&internal_location();
- 	      '<input type="hidden" name="submitted" value="yes" />';
+ 	    $result.=$form_tag_start.
- 	    # if we are viewing someone else preserve that info
+ 		'<input type="hidden" name="submitted" value="yes" />';
- 	    if (defined $env{'form.grade_symb'}) {
+ 	    &Apache::lonxml::startredirection();
- 		foreach my $field ('symb','courseid','domain','username') {
- 		    $result .= '<input type="hidden" name="grade_'.$field.
- 			'" value="'.$env{"form.grade_$field"}.'" />'."\n";
- 		}
- 	    }
- 	    my $version=&get_version();
- 	    if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
- 		$result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>';
- 		$result.=&add_request_another_attempt_button();
- 	    }
- 	    if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass') {
- 		$result.='<h1><font color="green">'.&mt('Passed').'</font></h1>';
- 	    }
  	}
      } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
  	      $target eq 'webgrade') {
+ 	my $webgrade='yes';
  	if ($target eq 'webgrade') {
- 	    $result.=$head_tag_start.$body_tag_start.$form_tag_start;
+ 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
- 	    $result.='<input type="hidden" name="webgrade" value="yes" />';
+ 		'<script type="text/javascript"
- 	    $result.=&show_queue();
+                          src="/res/adm/includes/task_grading.js"></script>';
+ 	    #$result.='<br />Review'.&show_queue('reviewqueue');
+ 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
  	}
- 	my $todo=&get_from_queue();
+ 	# FIXME Blast! still need to reorg this, need to reshow the
+         #       queue being reviewed once done with the grade pass...
+         #       Hrrm, vaildation pass should perhaps say 'not_locked'
+         #       perhaps do a search if there is a key that is mine and if
+         #       there isn't reshow the queue....
+ 	my ($todo,$status_code,$msg)=&get_key_todo($target);
  	if ($todo) {
  	    &setup_env_for_other_user($todo,$safeeval);
  	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
  	    $result.="\n".'<table><tr><td>Found '.
  		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
- 	    $result.='<input type="hidden" name="gradingkey" value="'.
+ 	    $form_tag_start.=
- 		&Apache::lonnet::escape($todo).'" />';
+ 		'<input type="hidden" name="gradingkey" value="'.
+ 		&escape($todo).'" />';
  	    $Apache::bridgetask::queue_key=$todo;
  	    &Apache::structuretags::initialize_storage();
  	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
- 	    $result.="\n".'<table width="100%" style="width:100%" border="1">';
+ 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
+ 		$form_tag_start.=
+ 		    '<input type="hidden" name="queuemode" value="selected" />';
+ 	    }
  	} else {
  	    if ($target eq 'webgrade') {
- 		$result.="\n".
+ 		$result.="\n";
- 		    '<table><tr><td>No user to be graded.</td></tr></table>';
+ 		my $back='<p><a href="/adm/flip?postdata=return:">'.
+ 		    &mt('Return to resource').'</a></p>';
+ 		if      ($status_code eq 'stop') {
+ 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
+ 		} elsif ($status_code eq 'cancel') {
+ 		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
+ 		} elsif ($status_code eq 'never_versioned') {
+ 		    $result.='<b>'.
+ 			&mt("Requested user has never accessed the task.").
+ 			'</b>'.$back;
+ 		} elsif ($status_code =~ /still_open:(.*)/) {
+ 		    my $date = &Apache::lonlocal::locallocaltime($1);
+ 		    $result.='<b>'.
+ 			&mt("Task is still open, will close at [_1].",$date).
+ 			'</b>'.$back;
+ 		} elsif ($status_code eq 'lock_failed') {
+ 		    $result.='<b>'.&mt("Failed to lock the requested record.")
+ 			.'</b>'.$back;
+ 		} elsif ($status_code eq 'unlock') {
+ 		    $result.='<b>'.&mt("Unlocked the requested record.")
+ 			.'</b>'.$back;
+ 		    $result.=&show_queue($env{'form.queue'},1);
+ 		} elsif ($status_code eq 'show_list') {
+ 		    $result.=&show_queue($env{'form.queue'},1);
+ 		} elsif ($status_code eq 'select_user') {
+ 		    $result.=&select_user();
+ 		} elsif ($status_code eq 'unable') {
+ 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
+ 		} elsif ($status_code eq 'not_allowed') {
+ 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
+ 		} else {
+ 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
+ 		}
  	    }
- 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
+ 	    $webgrade='no';
  	}
+ 	if (!$todo || $env{'form.cancel'}) {
+ 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
+ 	}
+ 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
+ 	    if ($webgrade eq 'yes') {
+ 		$result.=&submission_time_stamp();
+ 	    }
+ 	    $result.=$form_tag_start;
+ 	    $result.='<input type="hidden" name="webgrade" value="'.
+ 		$webgrade.'" />';
+ 	    $result.='<input type="hidden" name="queue" value="'.
+ 		$env{'form.queue'}.'" />';
+ 	    if ($env{'form.regrade'}) {
+ 		$result.='<input type="hidden" name="regrade" value="'.
+ 		    $env{'form.regrade'}.'" />';
+ 	    }
+ 	    if ($env{'form.chosensections'}) {
+ 		my @chosen_sections=
+ 		    &Apache::loncommon::get_env_multiple('form.chosensections');
+ 		foreach my $sec (@chosen_sections) {
+ 		    $result.='<input type="hidden" name="chosensections"
+                                value="'.$sec.'" />';
+ 		}
+ 	    }
+ 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
+ 	}
+ 	if ($target eq 'webgrade') {
+ 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
+ 	}
+     } elsif ($target eq 'edit') {
+ 	$result.=$form_tag_start.
+ 	    &Apache::structuretags::problem_edit_header();
+ 	$Apache::lonxml::warnings_error_header=
+ 	    &mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
+ 	my $temp=&Apache::edit::insertlist($target,$token);
+ 	$result.=$temp;
      } else {
  	# page_start returned a starting result, delete it if we don't need it
  	$result = '';
- Line 257  sub start_Task {
+ Line 801  sub start_Task {
      return $result;
  }
+ sub get_task_end_time {
+     my ($queue_entry,$symb,$udom,$uname) = @_;
+     my $end_time;
+     if (my $slot = &slotted_access($queue_entry)) {
+ 	my %slot_data=&Apache::lonnet::get_slot($slot);
+ 	$end_time = $slot_data{'endtime'};
+     } else {
+ 	$end_time = &Apache::lonhomework::due_date('0',$symb,
+ 						   $udom,$uname);
+     }
+     return $end_time;
+ }
+ sub get_key_todo {
+     my ($target)=@_;
+     my $todo;
+     if (defined($env{'form.reviewasubmission'})) {
+ 	&Apache::lonxml::debug("review a submission....");
+ 	$env{'form.queue'}='reviewqueue';
+ 	return (undef,'show_list');
+     }
+     if (defined($env{'form.reviewagrading'})) {
+ 	&Apache::lonxml::debug("review a grading....");
+ 	$env{'form.queue'}='gradingqueue';
+ 	return (undef,'show_list');
+     }
+     if (defined($env{'form.regradeasubmission'})) {
+ 	&Apache::lonxml::debug("regrade a grading....");
+ 	$env{'form.queue'}='none';
+ 	return (undef,'select_user');
+     }
+     my $me=$env{'user.name'}.':'.$env{'user.domain'};
+     #need to try both queues..
+     if (defined($env{'form.regradeaspecificsubmission'}) &&
+ 	defined($env{'form.gradinguser'})               &&
+ 	defined($env{'form.gradingdomain'})               ) {
+ 	my ($symb,$cid)=&Apache::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 $gradingkey=&unescape($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');
+ 		}
+ 	    }
+ 	    return ($gradingkey,'selected');
+ 	} else {
+ 	    return (undef,'select_user');
+ 	}
+     }
+     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
+ 	&& !defined($env{'form.gradingaction'})
+ 	&& $env{'form.queuemode'} eq 'selected') {
+ 	my $who=&queue_key_locked($queue,$gradingkey);
+ 	if ($who eq $me) {
+ 	    &Apache::lonxml::debug("Found a key was given to me");
+ 	    return ($gradingkey,'selected');
+ 	} else {
+ 	    return (undef,'show_list');
+ 	}
+     }
+     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
+ 	if ($env{'form.gradingaction'} eq 'resume') {
+ 	    delete($env{'form.gradingaction'});
+ 	    &Apache::lonxml::debug("Resuming a key");
+ 	    return ($gradingkey);
+ 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
+ 	    &Apache::lonxml::debug("Unlocking a key ".
+ 				     &check_queue_unlock($queue,$gradingkey,1));
+ 	    return (undef,'unlock');
+ 	} elsif ($env{'form.gradingaction'} eq 'select') {
+ 	    &Apache::lonxml::debug("Locking a key");
+ 	    if (&lock_key($queue,$gradingkey)) {
+ 		&Apache::lonxml::debug("Success $queue");
+ 		return ($gradingkey);
+ 	    }
+ 	    &Apache::lonxml::debug("Failed $queue");
+ 	    return (undef,'lock_failed');
+ 	}
+     }
+     if ($env{'form.queuemode'} ne 'selected') {
+ 	# don't get something new from the queue if they hit the stop button
+     	if (!(($env{'form.cancel'} || $env{'form.stop'})
+ 	      && $target eq 'webgrade')
+ 	    && !$env{'form.gradingaction'}) {
+ 	    &Apache::lonxml::debug("Getting anew $queue");
+ 	    return (&get_from_queue($queue));
+ 	} else {
+ 	    return (undef,'stop');
+ 	}
+     }
+     return (undef,undef)
+ }
+ sub minimize_storage {
+     foreach my $key (keys(%Apache::lonhomework::results)) {
+ 	if ($key =~ /regrader$/) { next; }
+ 	if ($Apache::lonhomework::results{$key} eq
+ 	    $Apache::lonhomework::history{$key}) {
+ 	    delete($Apache::lonhomework::results{$key});
+ 	}
+     }
+ }
  sub end_Task {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
      my $result='';
      my $status=$Apache::inputtags::status['-1'];
-     my $version=&get_version();
+     my ($version,$previous)=&get_version();
      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
  	$target eq 'tex') {
- 	if (
+ 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
- 	    (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
- 	    ($target eq 'answer') || ($target eq 'tex')
- 	   ) {
  	    if ($target eq 'web') {
- 		if ($status eq 'CAN_ANSWER') {
+ 		if (&show_task($status,$previous)) {
+ 		    $result.=&Apache::lonxml::endredirection();
+ 		}
+ 		if ($status eq 'CAN_ANSWER' && !$previous &&
+ 		    !$env{'form.donescreen'}) {
  		    $result.="\n".'<table border="1">'.
- 			&Apache::inputtags::file_selector($version,
+ 			&Apache::inputtags::file_selector("$version.0",
  							  "bridgetask","*",
- 							  'portfolioonly').
+ 							  'portfolioonly',
+ 							  '
+ <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
+ <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
  							  "</table>";
+ 		}
+ 		if (!$previous && $status ne 'SHOW_ANSWER' &&
+ 		    &show_task($status,$previous)) {
  		    $result.=&Apache::inputtags::gradestatus('0');
+ 		    $result.='</form>';
+ 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
+ 		    $result.=<<DONEBUTTON;
+ <form name="done" method="post" action="$action">
+    <input type="hidden" name="donescreen" value="1" />
+    <input type="submit" value="Done" />
+ </form>
+ DONEBUTTON
+                 }
+ 		if (&show_task($status,$previous) &&
+ 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
+ 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
+ 		    my $title=&Apache::lonnet::gettitle();
+ 		    my $start_time;
+ 		    my $slot_name=
+ 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
+ 		    if ($slot_name) {
+ 			my %slot=&Apache::lonnet::get_slot($slot_name);
+ 			$start_time=$slot{'starttime'}
+ 		    } else {
+ 			$start_time=
+ 			    &Apache::lonnet::EXT('resource.0.opendate');
+ 		    }
+ 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
+ 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
+ 		    if ($bt_status eq 'pass')  {
+ 			$status.='<h2>You passed the '.$title.' given on '.
+ 			    $start_time.'</h2>';
+ 		    }
+ 		    if ($bt_status eq 'fail')  {
+ 			$status.='<h2>You did not pass the '.$title.' given on '.
+ 			    $start_time.'</h2>';
+ 			if (!$previous) {
+ 			    $status.=&add_request_another_attempt_button();
+ 			}
+ 		    }
+ 		    my $man_count=0;
+ 		    my $opt_count=0;
+ 		    my $opt_passed=0;
+ 		    foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
+ 			if ($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}
+ 			    eq 'N') {
+ 			    $opt_count++;
+ 			    if ($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'; }
+ 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$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});
- 		$result.=&Apache::lonxml::xmlend().'</html>';
  	    }
  	}
- 	if ($target eq 'grade' && !$env{'form.webgrade'}) {
+ 	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 $award='SUBMITTED';
- 	    &Apache::essayresponse::file_submission('0','bridgetask',
+ 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
  						    'portfiles',\$award);
  	    if ($award eq 'SUBMITTED' &&
- 		$Apache::lonhomework::results{"resource.$version.bridgetask.portfiles"}) {
+ 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
- 		$Apache::lonhomework::results{"resource.$version.tries"}=
+ 		$Apache::lonhomework::results{"resource.0.tries"}=
-+$Apache::lonhomework::history{"resource.$version.tries"};
+ 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
++$Apache::lonhomework::history{"resource.$version.0.tries"};
+ 		$Apache::lonhomework::results{"resource.0.award"}=
+ 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
+ 		    $award;
+ 		$Apache::lonhomework::results{"resource.0.submission"}=
+ 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
+ 	    } else {
+ 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
+ 		$award = '';
  	    }
- 	    $Apache::lonhomework::results{"resource.$version.award"}=$award;
  	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
  	    &Apache::structuretags::finalize_storage();
  	    if ($award eq 'SUBMITTED') {
- 		&add_to_queue();
+ 		&add_to_queue('gradingqueue',\%queue_data);
  	    }
  	}
- 	if ($target eq 'grade' && $env{'form.webgrade'}) {
+ 	if ($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 307  sub end_Task {
+ Line 1130  sub end_Task {
  	    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.$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 320  sub end_Task {
+ Line 1143  sub end_Task {
  		    $ungraded++;
  		} elsif ($status eq 'review') {
  		    $review++;
- 		}
+ 		} else {
+ 		    $ungraded++;
+ 		}
  	    }
  	    if ($optional_passed < $optional_required) {
  		$mandatory_failed++;
  	    }
- 	    &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
+ 	    &Apache::lonxml::debug("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.grader'}=
+ 	    $Apache::lonhomework::results{'resource.0.regrader'}=
- 		$env{'user.name'}.'@'.$env{'user.domain'};
+ 		$env{'user.name'}.':'.$env{'user.domain'};
  	    if ($review) {
- 		$Apache::lonhomework::results{"resource.$version.status"}='review';
+ 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
- 		&move_to_review_queue();
  	    } elsif ($ungraded) {
- 		$Apache::lonhomework::results{"resource.$version.status"}='ungraded';
+ 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
- 		&check_queue_unlock();
  	    } elsif ($mandatory_failed) {
- 		$Apache::lonhomework::results{"resource.$version.status"}='fail';
+ 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
  		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
  		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
  		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
- 		&remove_from_queue();
+ 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
+ 		if ($env{'form.regrade'} ne 'yes') {
+ 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
+ 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
+ 		    &Apache::grades::version_portfiles(
+ 						       \%Apache::lonhomework::results,
+ 						       ["$version.0.bridgetask"],$courseid,
+ 						       $symb,$udom,$uname,
+ 						       ["$version.0.bridgetask"]);
+ 		}
  	    } else {
- 		$Apache::lonhomework::results{"resource.$version.status"}='pass';
+ 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
  		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
  		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
  		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
- 		&remove_from_queue();
+ 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
+ 		if ($env{'form.regrade'} ne 'yes') {
+ 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
+ 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
+ 		    &Apache::grades::version_portfiles(
+ 						       \%Apache::lonhomework::results,
+ 						       ["$version.0.bridgetask"],$courseid,
+ 						       $symb,$udom,$uname,
+ 						       ["$version.0.bridgetask"]);
+ 		}
  	    }
- 	    $Apache::lonhomework::results{"resource.status"}=
+ 	    $Apache::lonhomework::results{"resource.0.status"}=
- 		$Apache::lonhomework::results{"resource.$version.status"};
+ 		$Apache::lonhomework::results{"resource.$version.0.status"};
- 	    if (defined($Apache::lonhomework::results{"resource.$version.awarded"})) {
+ 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
  		$Apache::lonhomework::results{"resource.0.award"}=
- 		    $Apache::lonhomework::results{"resource.$version.award"};
+ 		    $Apache::lonhomework::results{"resource.$version.0.award"};
  		$Apache::lonhomework::results{"resource.0.awarded"}=
- 		    $Apache::lonhomework::results{"resource.$version.awarded"};
+ 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
  		$Apache::lonhomework::results{"resource.0.solved"}=
- 		    $Apache::lonhomework::results{"resource.$version.solved"};
+ 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
  	    }
+ 	    &minimize_storage();
+ 	    &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').'" /> ';
  	#$result.='<input type="submit" name="end" value="'.
- Line 369  sub end_Task {
+ Line 1244  sub end_Task {
  	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
  	#$result.='<input type="submit" name="save" value="'.
  	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
- 	$result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
+ 	$result.='</form>'."\n</div>\n</div>\n".
+ 	    &Apache::loncommon::end_page();
      } elsif ($target eq 'meta') {
- 	$result.='<parameter part="0" package="Task"></parameter>'."\n";
+ 	$result.=&Apache::response::meta_package_write('Task');
- 	#$result.=&Apache::response::meta_part_order();
+         $result.=&Apache::response::meta_stores_write('solved','string',
- 	#$result.=&Apache::response::meta_response_order();
+ 						      'Problem Status');
+ 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
+ 						      'Number of Attempts');
+ 	$result.=&Apache::response::meta_stores_write('awarded','float',
+ 						      'Partial Credit Factor');
+ 	$result.=&Apache::response::meta_stores_write('status','string',
+ 						      'Bridge Task Status');
+     } elsif ($target eq 'edit') {
+ 	&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 $result;
  }
- sub move_to_review_queue {
+ sub move_between_queues {
-     &Apache::lonxml::debug("Want to move");
+     my ($src_queue,$dest_queue)=@_;
+     my $cur_data;
+     if ($src_queue ne 'none') {
+ 	$cur_data=&get_queue_data($src_queue);
+ 	if (!$cur_data) { return 'not_exist'; }
+     } else {
+ 	$cur_data = ['none'];
+     }
+     my $result=&add_to_queue($dest_queue,$cur_data);
+     if ($result ne 'ok') {
+ 	return $result;
+     }
+     &check_queue_unlock($src_queue);
+     return &remove_from_queue($src_queue);
  }
  sub check_queue_unlock {
-     &Apache::lonxml::debug("Want to unlock?");
+     my ($queue,$key,$allow_not_me)=@_;
+     if ($queue eq 'none') { return 'ok'; }
+     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     if (!defined($key)) {
+ 	$key="$symb\0queue\0$uname:$udom";
+     }
+     my $cnum=$env{'course.'.$cid.'.num'};
+     my $cdom=$env{'course.'.$cid.'.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 $me");
+ 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
+     }
+     return 'not_owner';
+ }
+ sub in_queue {
+     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
+     if ($queue eq 'none') { return 0; }
+     if (!defined($symb) || !defined($cdom) || !defined($cnum)
+ 	|| !defined($udom) || !defined($uname)) {
+ 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
+ 	$cnum=$env{'course.'.$cid.'.num'};
+ 	$cdom=$env{'course.'.$cid.'.domain'};
+     }
+     my $key=&encode_queue_key($symb,$udom,$uname);
+     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
+     if (defined($results{$key})) {
+ 	return 1;
+     }
+     return 0;
  }
  sub remove_from_queue {
-     &Apache::lonxml::debug("Want to remove. Done?");
+     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
+     if ($queue eq 'none') { return 'ok'; }
+     if (!defined($symb) || !defined($cdom) || !defined($cnum)
+ 	|| !defined($udom) || !defined($uname)) {
+ 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
+ 	$cnum=$env{'course.'.$cid.'.num'};
+ 	$cdom=$env{'course.'.$cid.'.domain'};
+     }
+     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
+ 	return 'ok';
+     }
+     my $key=&encode_queue_key($symb,$udom,$uname);
+     my @keys=($key,"$key\0locked");
+     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
  }
  sub setup_env_for_other_user {
      my ($queue_key,$safeeval)=@_;
      my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
+     &Apache::lonxml::debug("setup_env for $queue_key");
      $env{'form.grade_symb'}=$symb;
      $env{'form.grade_domain'}=$udom;
      $env{'form.grade_username'}=$uname;
- Line 401  sub setup_env_for_other_user {
+ Line 1351  sub setup_env_for_other_user {
      &Apache::lonxml::initialize_rndseed($safeeval);
  }
+ sub get_queue_data {
+     my ($queue,$udom,$uname)=@_;
+     my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonxml::whichuser();
+     if (!$uname || !$udom) {
+ 	$uname=$other_uname;
+ 	$udom =$other_udom;
+     }
+     my $cnum=$env{'course.'.$cid.'.num'};
+     my $cdom=$env{'course.'.$cid.'.domain'};
+     my $todo="$symb\0queue\0$uname:$udom";
+     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
+     if ($key eq $todo && ref($value)) {
+ 	return $value;
+     }
+     return undef;
+ }
+ sub check_queue_for_key {
+     my ($cdom,$cnum,$queue,$todo)=@_;
+     my %results=
+ 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
+     if (exists($results{$todo}) && ref($results{$todo})) {
+ 	if (defined($results{"$todo\0locked"})) {
+ 	    return 'locked';
+ 	}
+ 	if (my $slot=&slotted_access($results{$todo})) {
+ 	    my %slot_data=&Apache::lonnet::get_slot($slot);
+ 	    if ($slot_data{'endtime'} > time) {
+ 		return 'in_progress';
+ 	    }
+ 	} else {
+ 	    my ($symb) = &decode_queue_key($todo);
+ 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
+ 	    if ($due_date > time) {
+ 		return 'in_progress';
+ 	    }
+ 	}
+ 	return 'enqueued';
+     }
+     return undef;
+ }
  sub add_to_queue {
+     my ($queue,$user_data)=@_;
+     if ($queue eq 'none') { return 'ok'; }
      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     if (!$cid || $env{'request.state'} eq 'construct') {
+ 	return 'no_queue';
+     }
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
      my %data;
-     $data{"$symb\0queue\0$uname\@$udom"}=[$Apache::inputtags::slot_name];
+     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
-     &Apache::lonnet::put('gradingqueue',\%data,$cdom,$cnum);
+     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
+ }
+ sub get_limited_classlist {
+     my ($sections) = @_;
+     my $classlist = &Apache::loncoursedata::get_classlist();
+     foreach my $student (keys(%$classlist)) {
+ 	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
+ 	     ne 'Active') {
+ 	    delete($classlist->{$student});
+        	}
+     }
+     if (ref($sections) && !grep('all',@{ $sections })) {
+ 	foreach my $student (keys(%$classlist)) {
+ 	    my $section  =
+ 		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
+ 	    if (! grep($section,@{ $sections })) {
+ 		delete($classlist->{$student});
+ 	    }
+ 	}
+     }
+     return $classlist;
  }
  sub show_queue {
+     my ($queue,$with_selects)=@_;
      my $result;
      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
+     my @chosen_sections=
+ 	&Apache::loncommon::get_env_multiple('form.chosensections');
+     my $classlist = &get_limited_classlist(\@chosen_sections);
+     if (!(grep(/^all$/,@chosen_sections))) {
+ 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
+ 	    '</tt>.</p> '."\n";
+     }
+     my ($view,$view_section);
+     my $scope = $env{'request.course.id'};
+     if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
+ 	$scope .= '/'.$env{'request.course.sec'};
+ 	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
+ 	    $view_section=$env{'request.course.sec'};
+ 	} else {
+ 	    undef($view);
+ 	}
+     }
      my $regexp="^$symb\0";
-     my %queue=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);
+     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
-     $result.="\n<h3>Current Queue</h3><table><tr><th>resource</th>".
+     my ($tmp)=%queue;
- 	"<th>user</th><th>type</th><th>data</th></tr>";
+     if ($tmp=~/^error: 2 /) {
+ 	return "\n<h3>Current Queue - $queue</h3>".
+ 	    &Apache::loncommon::start_data_table().
+ 	    &Apache::loncommon::start_data_table_row().
+ 	    '<td>'.&mt('Empty').'</td>'.
+ 	    &Apache::loncommon::end_data_table_row().
+ 	    &Apache::loncommon::end_data_table();
+     }
+     my $title=&Apache::lonnet::gettitle($symb);
+     $result.="\n<h3>Current Queue - $title $queue </h3>".
+ 	&Apache::loncommon::start_data_table().
+ 	&Apache::loncommon::start_data_table_header_row();
+     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
+     $result.="<th>user</th><th>data</th>".
+ 	&Apache::loncommon::end_data_table_header_row();
      foreach my $key (sort(keys(%queue))) {
- 	if ($key=~/locked$/) {
+ 	my ($symb,$uname,$udom) = &decode_queue_key($key);
- 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
+ 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
- 	    my $title=&Apache::lonnet::gettitle($symb);
- 	    $result.="<tr><td>$title</td><td>$uname</td><td>";
+ 	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
- 	    $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
- 	} elsif ($key=~/timestamp$/) {
+ 	my $can_view=1;
- 	    my ($symb,undef) = split("\0",$key);
+ 	if (!$view
- 	    my $title=&Apache::lonnet::gettitle($symb);
+ 	    || ($view_section && !$section)
- 	    $result.="<tr><td>$title</td><td></td><td>";
+ 	    || ($view_section && $section && ($view_section ne $section))) {
- 	    $result.='<td>last queue modification time</td><td>'.
+ 	    $can_view=0;
+ 	}
+ 	if ($key=~/locked$/ && !$with_selects) {
+ 	    $result.= &Apache::loncommon::start_data_table_row().
+ 		"<td>$uname</td>";
+ 	    $result.='<td>'.$queue{$key}.'</td></tr>';
+ 	} elsif ($key=~/timestamp$/ && !$with_selects) {
+ 	    $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
+ 	    $result.='<td>'.
  		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
- 	} else {
+ 	} elsif ($key!~/(timestamp|locked)$/) {
- 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
+ 	    $result.= &Apache::loncommon::start_data_table_row();
- 	    my $title=&Apache::lonnet::gettitle($symb);
+ 	    my ($end_time,$slot_text);
- 	    $result.="<tr><td>$title</td><td>$uname</td><td>";
+ 	    if (my $slot=&slotted_access($queue{$key})) {
- 	    my $slot=$queue{$key}->[0];
+ 		my %slot_data=&Apache::lonnet::get_slot($slot);
- 	    my %slot_data=&Apache::lonnet::get_slot($slot);
+ 		$end_time = $slot_data{'endtime'};
- 	    $result.='<td>queue entry</td><td>End time: '.
+ 		$slot_text = &mt('Slot: [_1]',$slot);
- 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
+ 	    } else {
- 		"</td></tr>";
+ 		$end_time = &Apache::lonhomework::due_date('0',$symb);
+ 		$slot_text = '';
+ 	    }
+ 	    if ($with_selects) {
+ 		my $ekey=&escape($key);
+ 		my ($action,$description,$status)=('select',&mt('Select'));
+ 		if (exists($queue{"$key\0locked"})) {
+ 		    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 {
+ 			($action,$description)=('unlock',&mt('Unlock'));
+ 		    }
+ 		}
+ 		my $seclist;
+ 		foreach my $sec (@chosen_sections) {
+ 		    $seclist.='<input type="hidden" name="chosensections"
+                                value="'.$sec.'" />';
+ 		}
+ 		if ($can_view && ($end_time ne '' && time > $end_time)) {
+ 		    $result.=(<<FORM);
+ <td>$status</td>
+ <td>
+ <form 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="$action" />
+  <input type="hidden" name="webgrade" value="no" />
+  <input type="hidden" name="queuemode" value="selected" />
+  <input type="submit" name="submit" value="$description" />
+  $seclist
+ </form>
+ </td>
+ FORM
+                 } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
+ 		    $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
+                 } else {
+ 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
+ 		}
+ 	    }
+ 	    $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
+ 		" <tt>($uname:$udom)</tt> </td>";
+ 	    $result.='<td>'.$slot_text.' End time: '.
+ 		&Apache::lonlocal::locallocaltime($end_time).
+ 		"</td>".&Apache::loncommon::end_data_table_row();
  	}
      }
-     $result.="</table><hr />\n";
+     $result.= &Apache::loncommon::end_data_table()."<hr />\n";
      return $result;
  }
+ sub get_queue_counts {
+     my ($queue)=@_;
+     my $result;
+     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+     my $cnum=$env{'course.'.$cid.'.num'};
+     my $cdom=$env{'course.'.$cid.'.domain'};
+     my $classlist=&get_limited_classlist();
+     my $regexp="^$symb\0";
+     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
+     my ($tmp)=%queue;
+     if ($tmp=~/^error: 2 /) {
+ 	return (0,0,0);
+     }
+     my ($entries,$ready_to_grade,$locks)=(0,0,0);
+     my %slot_cache;
+     foreach my $key (sort(keys(%queue))) {
+ 	my ($symb,$uname,$udom) = &decode_queue_key($key);
+ 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
+ 	if ($key=~/locked$/) {
+ 	    $locks++;
+ 	} elsif ($key=~/timestamp$/) {
+ 	    #ignore
+ 	} elsif ($key!~/(timestamp|locked)$/) {
+ 	    $entries++;
+ 	    if (my $slot=&slotted_access($queue{$key})) {
+ 		if (!exists($slot_cache{$slot})) {
+ 		    my %slot_data=&Apache::lonnet::get_slot($slot);
+ 		    $slot_cache{$slot} = \%slot_data;
+ 		}
+ 		if (time > $slot_cache{$slot}{'endtime'}) {
+ 		    $ready_to_grade++;
+ 		}
+ 	    } else {
+ 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
+ 		if ($due_date ne '' && time > $due_date) {
+ 		    $ready_to_grade++;
+ 		}
+ 	    }
+ 	}
+     }
+     return ($entries,$ready_to_grade,$locks);
+ }
+ sub encode_queue_key {
+     my ($symb,$udom,$uname)=@_;
+     return "$symb\0queue\0$uname:$udom";
+ }
  sub decode_queue_key {
      my ($key)=@_;
      my ($symb,undef,$user) = split("\0",$key);
-     my ($uname,$udom) = split('@',$user);
+     my ($uname,$udom) = split(':',$user);
      return ($symb,$uname,$udom);
  }
  sub queue_key_locked {
-     my ($key,$cdom,$cnum)=@_;
+     my ($queue,$key,$cdom,$cnum)=@_;
+     if (!defined($cdom) || !defined($cnum)) {
+ 	my (undef,$cid)=&Apache::lonxml::whichuser();
+ 	$cnum=$env{'course.'.$cid.'.num'};
+ 	$cdom=$env{'course.'.$cid.'.domain'};
+     }
      my ($key_locked,$value)=
- 	&Apache::lonnet::get('gradingqueue',["$key\0locked"],$cdom,$cnum);
+ 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
      if ($key_locked eq "$key\0locked") {
  	return $value;
      }
      return undef;
  }
+ sub slotted_access {
+     my ($queue_entry) = @_;
+     if (ref($queue_entry) eq 'ARRAY') {
+ 	if (defined($queue_entry->[0])) {
+ 	    return $queue_entry->[0];
+ 	}
+ 	return undef;
+     } elsif (ref($queue_entry) eq 'HASH') {
+ 	if (defined($queue_entry->{'slot'})) {
+ 	    return $queue_entry->{'slot'};
+ 	}
+ 	return undef;
+     }
+     return undef;
+ }
  sub pick_from_queue_data {
-     my ($check_section,$queue,$cdom,$cnum)=@_;
+     my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
-     foreach my $key (keys(%$queue)) {
+     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::lonnet::logthis("my sec");
+ 		&Apache::lonxml::debug("my sec");
  		next;
  	    }
  	}
- 	my $slot=$queue->{$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 $slot");
- 	    &Apache::lonnet::logthis("not time");
+ 	    my %slot_data=&Apache::lonnet::get_slot($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 $due_date");
+ 		next;
+ 	    }
  	}
- 	if (&queue_key_locked($key,$cdom,$cnum)) {
- 	    &Apache::lonnet::logthis("someone already has um.");
+ 	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 $possible[0][0];
      }
      return undef;
  }
  sub find_mid_grade {
-     my ($symb,$cdom,$cnum)=@_;
+     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 $who=&queue_key_locked($todo,$cdom,$cnum);
+ 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
  	if ($who eq $me) { return $todo; }
      }
      my $regexp="^$symb\0.*\0locked\$";
-     my %locks=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);
+     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
      foreach my $key (keys(%locks)) {
  	my $who=$locks{$key};
  	if ($who eq $me) {
- Line 510  sub find_mid_grade {
+ Line 1730  sub find_mid_grade {
      return undef;
  }
+ sub lock_key {
+     my ($queue,$todo)=@_;
+     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'};
+     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
+ 					$cdom,$cnum);
+     &Apache::lonxml::debug("success $success $todo");
+     if ($success eq 'ok') {
+ 	return 1;
+     }
+     return 0;
+ }
+ sub get_queue_symb_status {
+     my ($queue,$symb,$cdom,$cnum) = @_;
+     if (!defined($cdom) || !defined($cnum)) {
+ 	my (undef,$cid)=&Apache::lonxml::whichuser();
+ 	$cnum=$env{'course.'.$cid.'.num'};
+ 	$cdom=$env{'course.'.$cid.'.domain'};
+     }
+     my $classlist=&get_limited_classlist();
+     my $regexp="^$symb\0";
+     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
+     my ($tmp)=%queue;
+     if ($tmp=~/^error: 2 /) { return; }
+     my @users;
+     foreach my $key (sort(keys(%queue))) {
+ 	next if ($key=~/locked$/);
+ 	next if ($key=~/timestamp$/);
+ 	my ($symb,$uname,$udom) = &decode_queue_key($key);
+ 	next if (!defined($classlist->{$uname.':'.$udom}));
+ 	push(@users,"$uname:$udom");
+     }
+     return @users;
+ }
  sub get_from_queue {
+     my ($queue)=@_;
      my $result;
      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
      my $cnum=$env{'course.'.$cid.'.num'};
      my $cdom=$env{'course.'.$cid.'.domain'};
-     my $todo;
+     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
-     # FIXME need to find if I am 'mid grading'
+     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
-     $todo=&find_mid_grade($symb,$cdom,$cnum);
-     &Apache::lonnet::logthis("found ".join(':',&decode_queue_key($todo)));
      if ($todo) { return $todo; }
+     my $attempts=0;
+     my $classlist=&get_limited_classlist();
      while (1) {
+ 	if ($attempts > 2) {
+ 	    # tried twice to get a queue entry, giving up
+ 	    return (undef,'unable');
+ 	}
  	my $starttime=time;
- 	&Apache::lonnet::put('gradingqueue',{"$symb\0timestamp"=>$starttime},
+ 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
- 			     $cdom,$cnum);
+ 			      $cdom,$cnum);
- 	&Apache::lonnet::logthis("$starttime");
+ 	&Apache::lonxml::debug("$starttime");
  	my $regexp="^$symb\0queue\0";
- 	my %queue=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);
+ 	#my $range= ($attempts < 1 ) ? '0-100' : '0-400';
- 	#make a pass looking for a user in my section
+ 	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::lonnet::logthis("sce");
+ 	    &Apache::lonxml::debug("sce");
- 	    $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue,
+ 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
- 					$cdom,$cnum);
+ 					\%queue,$cdom,$cnum,$classlist);
- 	    &Apache::lonnet::logthis("sce $todo");
+ 	    &Apache::lonxml::debug("sce $todo");
  	}
- 	# no one in our section so look for any user that is ready for grading
+ 	# no one _not_ in our section so look for any user that is
+ 	# ready for grading
  	if (!$todo) {
- 	    &Apache::lonnet::logthis("no sce");
+ 	    &Apache::lonxml::debug("no sce");
- 	    $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue,
+ 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
- 					$cdom,$cnum);
+ 					$classlist);
- 	    &Apache::lonnet::logthis("no sce $todo");
+ 	    &Apache::lonxml::debug("no sce $todo");
  	}
  	# no user to grade
  	if (!$todo) { last; }
- 	&Apache::lonnet::logthis("got $todo");
+ 	&Apache::lonxml::debug("got $todo");
  	# otherwise found someone so lets try to lock them
- 	my $success=&Apache::lonnet::newput('gradingqueue',
+ 	# unless someone else already picked them
- 					    {"$todo\0locked"=>
+ 	if (!&lock_key($queue,$todo)) {
- 						 $env{'user.name'}.'@'.$env{'user.domain'}},
+ 	    $attempts++;
- 					   $cdom,$cnum);
+ 	    next;
- 	# someone else already picked them
+ 	}
- 	&Apache::lonnet::logthis("success $todo");
- 	if ($success ne 'ok') { next; }
  	my (undef,$endtime)=
- 	    &Apache::lonnet::get('gradingqueue',["$symb\0timestamp"],
+ 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
  				 $cdom,$cnum);
- 	&Apache::lonnet::logthis("emd  $endtime");
+ 	&Apache::lonxml::debug("emd  $endtime");
  	# someone else already modified the queue,
  	# perhaps our picked user wass already fully graded between
  	# when we picked him and when we locked his record? so lets
  	# double check.
  	if ($endtime != $starttime) {
  	    my ($key,$value)=
- 		&Apache::lonnet::get('gradingqueue',["$todo"],
+ 		&Apache::lonnet::get($queue,["$todo"],
  				     $cdom,$cnum);
- 	    &Apache::lonnet::logthis("check  $key .. $value");
+ 	    &Apache::lonxml::debug("check  $key .. $value");
  	    if ($key eq $todo && ref($value)) {
  	    } else {
- 		&Apache::lonnet::del('gradingqueue',["$todo\0locked"],
+ 		&Apache::lonnet::del($queue,["$todo\0locked"],
  				     $cdom,$cnum);
- 		&Apache::lonnet::logthis("del");
+ 		&Apache::lonxml::debug("del");
+ 		$attempts++;
  		next;
  	    }
  	}
- 	&Apache::lonnet::logthis("last $todo");
+ 	&Apache::lonxml::debug("last $todo");
  	last;
      }
      return $todo;
  }
+ sub select_user {
+     my ($symb,$cid)=&Apache::lonxml::whichuser();
+     my @chosen_sections=
+ 	&Apache::loncommon::get_env_multiple('form.chosensections');
+     my $classlist = &get_limited_classlist(\@chosen_sections);
+     my $result;
+     if (!(grep(/^all$/,@chosen_sections))) {
+ 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
+ 	    '</tt>.</p> '."\n";
+     }
+     $result.=&Apache::loncommon::start_data_table();
+     foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
+ 	my ($uname,$udom) = split(/:/,$student);
+ 	my $cnum=$env{'course.'.$cid.'.num'};
+ 	my $cdom=$env{'course.'.$cid.'.domain'};
+ 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
+ 					 'Task');
+ 	my $queue = 'none';
+ 	my $cannot_grade;
+ 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
+ 	    $queue = 'reviewqueue';
+ 	    if ($status{'reviewqueue'} eq 'in_progress') {
+ 		$cannot_grade=1;
+ 	    }
+ 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
+ 	    $queue = 'gradingqueue';
+ 	    if ($status{'gradingqueue'} eq 'in_progress') {
+ 		$cannot_grade=1;
+ 	    }
+ 	}
+ 	my $todo =
+ 	    &escape(&encode_queue_key($symb,$udom,$uname));
+ 	if ($cannot_grade) {
+ 	    $result.=&Apache::loncommon::start_data_table_row().
+ 		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
+ 		'</td><td>';
+ 	} else {
+ 	    my $seclist;
+ 	    foreach my $sec (@chosen_sections) {
+ 		$seclist.='<input type="hidden" name="chosensections"
+                                value="'.$sec.'" />';
+ 	    }
+ 	    $result.=&Apache::loncommon::start_data_table_row();
+ 	    $result.=<<RESULT;
+   <td>
+     <form style="display: inline" method="post">
+       <input type="hidden" name="gradingkey" value="$todo" />
+       <input type="hidden" name="queue" value="$queue" />
+       <input type="hidden" name="webgrade" value="no" />
+       <input type="hidden" name="regrade" value="yes" />
+       <input type="submit" name="submit" value="Regrade" />
+       $seclist
+     </form>
+   <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
+   <td>
+ RESULT
+         }
+         if ($status{'status'} eq 'pass') {
+ 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
+ 	} elsif ($status{'status'} eq 'fail') {
+ 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
+ 	} elsif ($status{'status'} eq 'review') {
+ 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
+ 	} elsif ($status{'status'} eq 'ungraded') {
+ 	    $result .= &mt('Ungraded');
+ 	} elsif ($status{'status'} ne '') {
+ 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
+ 	} else {
+ 	    $result.="&nbsp;";
+ 	}
+ 	if ($status{'version'}) {
+ 	    $result .= ' '.&mt('Version').' '.$status{'version'};
+ 	}
+ 	if ($status{'grader'}) {
+ 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
+ 	}
+ 	$result.= '</td><td>';
+ 	if ($status{'reviewqueue'} eq 'enqueued') {
+ 	    $result .= &mt('Awaiting Review');
+ 	} elsif ($status{'reviewqueue'} eq 'locked') {
+ 	    $result .= &mt('Under Review');
+ 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
+ 	    $result .= &mt('Still being worked on.');
+ 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
+ 	    $result .= &mt('Awaiting Grading');
+ 	} elsif ($status{'gradingqueue'} eq 'locked') {
+ 	    $result .= &mt('Being Graded');
+ 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
+ 	    $result .= &mt('Still being worked on.');
+ 	} else {
+ 	    $result.="&nbsp;";
+ 	}
+ 	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
+     }
+     $result.=&Apache::loncommon::end_data_table();
+     return $result;
+ }
+ sub get_student_status {
+     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
+     my %status;
+     if ($type eq 'Task') {
+ 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
+ 					  $udom,$uname);
+ 	$status{'status'}=$record{'resource.0.status'};
+ 	$status{'version'}=$record{'resource.0.version'};
+ 	$status{'grader'}=$record{'resource.0.regrader'};
+     }
+     $status{'reviewqueue'}=
+ 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
+ 			     &encode_queue_key($symb,$udom,$uname));
+     $status{'gradingqueue'}=
+ 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
+ 			     &encode_queue_key($symb,$udom,$uname));
+     return %status;
+ }
  sub start_ClosingParagraph {
      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
      my $result;
- Line 599  sub end_ClosingParagraph {
+ Line 1991  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 606  sub get_id {
+ Line 2002  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,$dim);
+     &Apache::lonxml::startredirection();
+     &enable_dimension_parsing($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'}=$text;
+     }
+     return '';
+ }
+ sub end_QuestionText {
      return '';
  }
  sub get_instance {
-     #FIXME just grabbing the first one for now, need
+     my ($dim)=@_;
-     #to randomly pick one until all have been seen
+     my $rand_alg=&Apache::lonnet::get_rand_alg();
-     #then start repicking
+     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
-     &Apache::response::pushrandomnumber();
+ 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
-     my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
+ 	$rand_alg eq '64bit4' ) {
-     return $order[0];
+ 	&Apache::response::pushrandomnumber();
+ 	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
+ 	my $num=@order;
+ 	my $version=&get_version();
+ 	my $which=($version-1)%$num;
+ 	return $order[$which];
+     } else {
+ 	my ($version,$previous) = &get_version();
+ 	my $instance =
+ 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
+ 	if (defined($instance)) { return $instance; }
+ 	&Apache::response::pushrandomnumber();
+ 	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
+ 	    my @instances = @{$dimension{$dim}{'instances'}};
+ 	    # remove disabled instances
+ 	    for (my $i=0; $i < $#instances; $i++) {
+ 		if ($dimension{$dim}{$instances[$i].'.disabled'}) {
+ 		    splice(@instances,$i,1);
+ 		    $i--;
+ 		}
+ 	    }
+ 	    @instances = &Math::Random::random_permutation(@instances);
+ 	    $instance  = $instances[($version-1)%scalar(@instances)];
+ 	    if ($version =~ /^\d$/) {
+ 		$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} =
+ 		    $instance;
+ 		$Apache::lonhomework::results{'INTERNAL_store'} = 1;
+ 	    }
+ 	}
+ 	&Apache::response::poprandomnumber();
+ 	return $instance;
+     }
+ }
+ sub get_criteria {
+     my ($what,$version,$dim,$id) = @_;
+     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+     my $prefix = ($type eq 'criteria') ? "$dim.$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;
+ 	my $result=&Apache::lonxml::endredirection();
  	my $dim=&get_id($parstack,$safeeval);
- 	my $instance=&get_instance();
+ 	if (&skip_dimension_parsing($dim)) {
+ 	    &disable_dimension_parsing($dim);
+ 	    pop(@Apache::bridgetask::dimension);
+ 	    return;
+ 	}
+ 	my $instance=&get_instance($dim);
  	my $version=&get_version();
  	if ($target eq 'web') {
- 	    $result=$dimension{'intro'}.$dimension{$instance.'.text'};
+ 	    $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
- 	    if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||
+ 	    my @instances = $instance;
- 		$Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
+ 	    if (&Apache::response::showallfoils()) {
- 		foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 		@instances = @{$dimension{$dim}{'instances'}};
- 		    my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
+ 	    }
- 		    my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};
+ 	    my $shown_question_text;
- 		    $result.='<table border="1"><tr><td>';
+ 	    foreach my $instance (@instances) {
- 		    if ($status eq 'fail') {
+ 		$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
- 			$result.='<font color="red">'.&mt('Did not pass').'</font>';
+ 					 [@_]);
- 		    } elsif ($status eq 'pass') {
+ 		$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
- 			$result.='<font color="green">'.&mt('Passed').'</font>';
+ 					 [@_],{'set_dim_id' => undef});
- 		    } else {
+ 		my $task_status =
- 			&Apache::lonxml::error("Student viewing a graded bridgetask was show a status of $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 $mandatory='Mandatory';
+ 		    if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
+ 			$mandatory='Optional';
+ 		    }
+ 		    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>';
+ 		    }
+ 		    if ($dim_status eq 'fail') {
+ 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
+ 		    }
+ 		    my $man_count=0;
+ 		    my $man_passed=0;
+ 		    my $opt_count=0;
+ 		    my $opt_passed=0;
+ 		    foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
+ 				     @{$dimension{$dim}{'criterias'}} ) {
+ 			my $status = &get_criteria('status',$version,$dim,$id);
+ 			if ($dimension{$dim}{'criteria.'.$id.'.mandatory'}
+ 			    eq 'N') {
+ 			    $opt_count++;
+ 			    if ($status eq 'pass') { $opt_passed++; }
+ 			} else {
+ 			    $man_count++;
+ 			    if ($status eq 'pass') { $man_passed++; }
+ 			}
  		    }
- 		    $result.='</td></tr><tr><td>';
+ 		    if ($man_passed eq $man_count) { $man_passed='all'; }
- 		    if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {
- 			$result.=&mt('Comment from grader: ').$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</td></tr><tr><td>';
+ 		    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{$dim}{$instance.'.criterias'}},
+ 				    @{$dimension{$dim}{'criterias'}}) {
+ 			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+ 			if ($type eq 'dimension') {
+ 			    $result.=$dimension{$id}{'result'};
+ 			    next;
+ 			}
  		    }
- 		    $result.=$dimension{$instance.'.criteria.'.$id}.
- 			'</td></tr></table>';
  		}
  	    }
  	} elsif ($target eq 'webgrade') {
- 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ 	    # in case of any side effects that we need
- 		my $link='criteria_'.$instance.'_'.$id;
+ 	    &nested_parse(\$dimension{$dim}{'intro'},[@_]);
- 		my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
+ 	    &nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
- 		$result.='<tr><td width="100%" valign="top">'.
+ 	    $result.=
- 		    '<a name="'.$link.'" />'.
+ 		&nested_parse(\$dimension{$dim}{'questiontext'},[@_],
- 		    '<a name="next_'.$last_link.'" />'.
+ 			      {'set_dim_id'          => undef,
- 		    '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">'.$dimension{$instance.'.criteria.'.$id}.'</textarea>'.
+ 			       'delayed_dim_results' => 1});
- 		    #$dimension{$instance.'.criteria.'.$id}.
+ 	    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
- 		    '</td>'.
+ 			    @{$dimension{$dim}{'criterias'}} ) {
- 		    '<td><nobr>Additional Comment for Student</nobr> <br />'.
+ 		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
- 		    '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}).'</textarea>'.
+ 		if ($type eq 'dimension') {
- 		    '</td>'.
+ 		    # dimensional 'criteria' don't get assigned grades
- 		    '<td>'.
+ 		    $result.=
- 		    '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').'/>Ungraded</label></nobr><br />'.
+ 			&nested_parse(\$dimension{$dim}{'criteria.'.$id},
- 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />Pass</label><br />'.
+ 				      [@_],{'set_dim_id' => $id});
- 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />Fail</label><br />'.
+ 		    next;
- 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />Review</label><br />'.
- 		    '</td>'.
- 		    '<td>'.
- 		    '<a href="#'.$last_link.'">Prev</a><br />'.
- 		    '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
- 		    '<input type="submit" name="next" value="'.
- 		    &mt('Done').'" /> '.
- 		    '</td></tr>';
- 		$result.='<tr><td colspan="4">';
- 		my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
- 		my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';
- 		foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.bridgetask.portfiles"})) {
- 		    my $file=$file_url.$partial_file;
- 		    &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
- 		    $result.='<a href="'.$file.'" target="lonGRDs"><img src="'.
- 			&Apache::loncommon::icon($file).'" border=0"> '.$file.
- 			'</a>';
  		}
- 		$result.='</td></tr>';
+ 		my $link=&link($id);
+ 		my $status= &get_criteria('status',$version,$dim,$id);
+ 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
+ 		    '<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
+ 		$result.=
+ 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},[@_]);
+ 		$result.='</div>'."\n".
+ 		    '<div class="LC_GRADING_grade">'."\n".
+ 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
+ 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
+ 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
+ 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
+ 		    '</div>'."\n".
+ 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
+ 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode(&get_criteria('comment',$version,$dim,$id),'<>"&').'</textarea>'."\n".
+ 		    '</label>'."\n".
+ 		    '<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.$version.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
+ 	    $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
- 		$Apache::lonhomework::results{"resource.$version.$dim.$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 715  sub get_instance {
+ Line 2314  sub get_instance {
  		} elsif ($status eq 'ungraded') {
  		    $ungraded++;
  		} else {
- 		    &Apache::lonxml::error("got weird status --$status--");
+ 		    $ungraded++;
  		}
  	    }
- 	    if ($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.$dim.status"}=
+ 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
  		    'review';
  	    } elsif ($ungraded) {
- 		$Apache::lonhomework::results{"resource.$version.$dim.status"}=
+ 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
  		    'ungraded';
  	    } elsif ($mandatory_failed) {
- 		$Apache::lonhomework::results{"resource.$version.$dim.status"}=
+ 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
  		    'fail';
  	    } else {
- 		$Apache::lonhomework::results{"resource.$version.$dim.status"}=
+ 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
  		    'pass';
  	    }
+ 	} else {
+ 	    # any other targets no output
+ 	    undef($result);
  	}
+ 	&disable_dimension_parsing();
+ 	pop(@Apache::bridgetask::dimension);
  	return $result;
      }
+     sub end_Setup {
+ 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ 	my $result=&Apache::lonxml::endredirection();
+ 	my $dim=&get_id($parstack,$safeeval);
+ 	my $instance=&get_instance($dim);
+ 	my $version=&get_version();
+ 	if ($target eq 'web') {
+ 	    @Apache::scripttag::parser_env = @_;
+ 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+ 	    my @instances = $instance;
+ 	    if (&Apache::response::showallfoils()) {
+ 		@instances = @{$dimension{$dim}{'instances'}};
+ 	    }
+ 	    foreach my $instance (@instances) {
+ 		@Apache::scripttag::parser_env = @_;
+ 		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
+ 		@Apache::scripttag::parser_env = @_;
+ 		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+ 	    }
+ 	} elsif ($target eq 'webgrade'
+ 		 || $target eq 'grade' && $env{'form.webgrade'}) {
+ 	    # in case of any side effects that we need
+ 	    @Apache::scripttag::parser_env = @_;
+ 	    &Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+ 	    @Apache::scripttag::parser_env = @_;
+ 	    &Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
+ 	    @Apache::scripttag::parser_env = @_;
+ 	    &Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+ 	} else {
+ 	    # any other targets no output
+ 	    undef($result);
+ 	}
+ 	pop(@Apache::bridgetask::dimension);
+ 	return $result;
+     }
+ }
+ sub grading_history {
+     my ($version,$dim,$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,$safeeval)=@_;
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
      my $result;
-     if ($target eq 'web' || $target eq 'webgrade') {
+     my $dim = &get_dim_id();
- 	if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+ 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
+ 	    $dimension{$dim}{'intro'}=
+ 		&Apache::lonxml::get_all_text('/introparagraph',
+ 					      $parser,$style);
+        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
  	    &Apache::lonxml::startredirection();
  	}
      }
      return $result;
  }
  sub end_IntroParagraph {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-     my $result;
+     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
-     if ($target eq 'web' || $target eq 'webgrade') {
+ 	my $result = &Apache::lonxml::endredirection();
- 	if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {
- 	    $dimension{'intro'}=&Apache::lonxml::endredirection();
- 	}
      }
-     return $result;
  }
  sub start_Instance {
      my ($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') {
+ 	$dimension{$dim}{$id.'.disabled'}='1';
+     }
      return '';
  }
  sub end_Instance {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-     return '';
  }
  sub start_InstanceText {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-     if ($target eq 'web' || $target eq 'webgrade') {
+     my $dim = &get_dim_id();
- 	&Apache::lonxml::startredirection();
+     my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
+     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
+     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+ 	$dimension{$dim}{$instance_id.'.text'}=$text;
      }
      return '';
  }
  sub end_InstanceText {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-     my $instance_id=$Apache::bridgetask::instance[-1];
-     if ($target eq 'web' || $target eq 'webgrade') {
- 	$dimension{$instance_id.'.text'}=&Apache::lonxml::endredirection();
-     }
      return '';
  }
  sub start_Criteria {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
+     my $result = '';
      if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
- 	&Apache::lonxml::startredirection();
+ 	my $dim = &get_dim_id();
+ 	my $id=&get_id($parstack,$safeeval);
+ 	&Apache::lonxml::debug("Criteria $id with $dim");
+ 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
+ 	    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
+ 	    $dimension{$dim}{"criteria.$instance_id.$id"}=$criteria;
+ 	    $dimension{$dim}{"criteria.$instance_id.$id.type"}='criteria';
+ 	    $dimension{$dim}{"criteria.$instance_id.$id.mandatory"}=
+ 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ 	    push(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
+ 	} else {
+ 	    $dimension{$dim}{'criteria.'.$id}=$criteria;
+ 	    $dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
+ 	    $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
+ 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ 	    push(@{$dimension{$dim}{'criterias'}},$id);
+ 	    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 $result;
  }
  sub end_Criteria {
-     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ }
-     my $instance_id=$Apache::bridgetask::instance[-1];
-     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
+ sub start_GraderNote {
- 	my $criteria=&Apache::lonxml::endredirection();
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- 	my $id=&get_id($parstack,$safeeval);
- 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
+     if ($target eq 'webgrade') {
- 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
+ 	return '<div class="LC_GRADING_gradernote"><b>'.
- 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+ 	    &mt('Note to graders:').'</b>';
- 	push(@{$dimension{$instance_id.'.criterias'}},$id);
      }
-     return '';
+     my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style);
+     return;
  }
+ sub end_GraderNote {
+     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+     if ($target eq 'webgrade') {
+ 	return '</div>';
+     }
+     return;
+ }
  sub proctor_validation_screen {
      my ($slot) = @_;
      my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
      my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
-     $user=$env{'form.proctorname'};
+     my $name=&Apache::loncommon::plainname($user,$domain);
-     if ($env{'form.proctordomain'}) { $domain=$env{'form.proctordomain'}; }
      my $msg;
      if ($env{'form.proctorpassword'}) {
  	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
  	    .'</font></p>';
      }
+     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
      my $result= (<<ENDCHECKOUT);
  <h2>Proctor Validation</h2>
      <p>Your room's proctor needs to validate your access to this resource.</p>
      $msg
- <form name="checkout" method="POST" action="$env{'request.uri'}">
+ <form name="checkout" method="post" action="$env{'request.uri'}">
  <input type="hidden" name="validate" value="yes" />
  <input type="hidden" name="submitted" value="yes" />
  <table>
-   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$user" /></td></tr>
+   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
    <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
-   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$domain" /></td></tr>
+   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
  </table>
  <input type="submit" name="checkoutbutton" value="Validate"  /><br />
- Student who should be logged in is:<br />
+ <table border="1">
- <img src="$url" /><br />
+   <tr><td>
+     <table>
+       <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 colspan="2"><img src="$url" /></td></tr>
+     </table>
+   </tr></td>
+ </table>
  </form>
  ENDCHECKOUT
      return $result;

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

Removed from v.1.26
changed lines
	Added in v.1.184.2.4