Annotation of loncom/homework/bridgetask.pm, revision 1.177

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.177   ! albertel    4: # $Id: bridgetask.pm,v 1.176 2006/06/20 03:56:30 albertel Exp $
1.1       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: ###
                     29: 
                     30: 
                     31: package Apache::bridgetask; 
                     32: 
                     33: use strict;
                     34: use Apache::lonnet;
                     35: use Apache::File();
                     36: use Apache::lonmenu;
                     37: use Apache::lonlocal;
                     38: use Apache::lonxml;
1.37      albertel   39: use Apache::slotrequest();
1.1       albertel   40: use Time::HiRes qw( gettimeofday tv_interval );
1.158     www        41: use lib '/home/httpd/lib/perl/';
                     42: use LONCAPA;
                     43:  
1.9       albertel   44: 
1.1       albertel   45: BEGIN {
1.162     albertel   46:     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','ClosingParagraph'));
1.1       albertel   47: }
                     48: 
1.169     albertel   49: my %dimension;
1.9       albertel   50: sub initialize_bridgetask {
                     51:     # id of current Dimension, 0 means that no dimension is current 
                     52:     # (inside <Task> only)
1.168     albertel   53:     %Apache::bridgetask::dimension=();
1.9       albertel   54:     # list of all Dimension ids seen
1.168     albertel   55:     %Apache::bridgetask::top_dimensionlist=();
1.9       albertel   56:     # list of all current Instance ids
1.168     albertel   57:     %Apache::bridgetask::instance=();
1.9       albertel   58:     # list of all Instance ids seen in this problem
                     59:     @Apache::bridgetask::instancelist=();
1.15      albertel   60:     # key of queud user data that we are currently grading
                     61:     $Apache::bridgetask::queue_key='';
1.169     albertel   62:     undef(%dimension);
1.9       albertel   63: }
                     64: 
1.4       albertel   65: sub proctor_check_auth {
1.81      albertel   66:     my ($slot_name,$slot,$type)=@_;
1.11      albertel   67:     my $user=$env{'form.proctorname'};
                     68:     my $domain=$env{'form.proctordomain'};
1.4       albertel   69:     
                     70:     my @allowed=split(",",$slot->{'proctor'});
                     71:     foreach my $possible (@allowed) {
1.138     albertel   72: 	my ($puser,$pdom)=(split(':',$possible));
1.4       albertel   73: 	if ($puser eq $user && $pdom eq $domain) {
1.72      albertel   74: 	    my $authenticated=0;
                     75: 	    if ( $slot->{'secret'} =~ /\S/ &&
                     76: 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
                     77: 		$authenticated=1;
                     78: 	    } else {
                     79: 		
                     80: 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
                     81: 		if ($authhost ne 'no_host') {
                     82: 		    $authenticated=1;
                     83: 		}
                     84: 	    }
1.150     albertel   85: 	    if ($authenticated) {
1.176     albertel   86: 		&check_in($type,$user,$domain,$slot_name);
1.4       albertel   87: 		return 1;
                     88: 	    }
                     89: 	}
                     90:     }
                     91:     return 0;
                     92: }
                     93: 
1.174     albertel   94: sub check_in {
                     95:     my ($type,$user,$domain,$slot_name) = @_;
                     96:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                     97:     if ( $useslots eq 'map_map') {
                     98: 	&check_in_sequence($user,$domain,$slot_name);
                     99:     } else {
                    100: 	&create_new_version($type,$user,$domain,$slot_name);
                    101:     }
                    102:     return 1;
                    103: }
                    104: 
                    105: sub check_in_sequence {
                    106:     my ($user,$domain,$slot_name) = @_;
                    107:     my $navmap = Apache::lonnavmaps::navmap->new();
                    108:     my ($symb) = &Apache::lonxml::whichuser();
                    109:     my ($map)  = &Apache::lonnet::decode_symb($symb);
1.175     albertel  110:     my @resources = 
                    111: 	$navmap->retrieveResources($map, sub { $_[0]->is_problem() },0,0);
1.174     albertel  112:     my %old_history = %Apache::lonhomework::history;
                    113:     my %old_results = %Apache::lonhomework::results;
                    114: 
                    115:     foreach my $res (@resources) {
                    116: 	&Apache::lonxml::debug("doing ".$res->src);
                    117: 	&Apache::structuretags::initialize_storage($res->symb);
                    118: 	my $type = ($res->is_task()) ? 'Task' : 'problem';
                    119: 	&create_new_version($type,$user,$domain,$slot_name);
                    120: 	&Apache::structuretags::finalize_storage($res->symb);
                    121:     }
                    122:     
                    123:     %Apache::lonhomework::history = %old_history;
                    124:     %Apache::lonhomework::results = %old_results;
                    125: }
                    126: 
1.150     albertel  127: sub create_new_version {
                    128:     my ($type,$user,$domain,$slot_name) = @_;
1.174     albertel  129:     
                    130:     my $id = '0';
1.150     albertel  131:     if ($type eq 'Task') {
                    132: 	# increment version
                    133: 	my $version=
                    134: 	    $Apache::lonhomework::history{'resource.0.version'};
                    135: 	$version++;
1.152     albertel  136: 	&Apache::lonxml::debug("Making version $version");
1.150     albertel  137: 	#clean out all current results
                    138: 	foreach my $key (keys(%Apache::lonhomework::history)) {
                    139: 	    if ($key=~/^resource\.0\./) {
                    140: 		$Apache::lonhomework::results{$key}='';
                    141: 	    }
                    142: 	}
                    143: 	
                    144: 	#setup new version and who did it
1.174     albertel  145:        	$Apache::lonhomework::results{'resource.0.version'}=$version;
                    146: 	$id = "$version.0";
                    147: 	if (!defined($user) || defined($domain)) {
                    148: 	    $user = $env{'user.name'};
                    149: 	    $domain = $env{'user.domain'};
1.150     albertel  150: 	}
1.174     albertel  151: 	
1.150     albertel  152:     } elsif ($type eq 'problem') {
                    153: 	&Apache::lonxml::debug("authed $slot_name");
1.174     albertel  154:     }
                    155: 
                    156:     if (defined($user) && defined($domain)) {
                    157: 	$Apache::lonhomework::results{"resource.$id.checkedin"}=
                    158: 	    $user.':'.$domain;
                    159:     }
                    160:     if (defined($slot_name)) {
                    161: 	$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
                    162: 	    $slot_name;
1.150     albertel  163:     }
                    164: }
                    165: 
1.25      albertel  166: sub get_version {
1.29      albertel  167:     my ($version,$previous);
1.25      albertel  168:     if ($env{'form.previousversion'} && 
1.36      albertel  169: 	$env{'form.previousversion'} ne 'current' &&
1.89      albertel  170: 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
1.29      albertel  171: 	$version=$env{'form.previousversion'};
                    172: 	$previous=1;
                    173:     } else {
1.150     albertel  174: 	if (defined($Apache::lonhomework::results{'resource.0.version'})) {
                    175: 	    $version=$Apache::lonhomework::results{'resource.0.version'};
                    176: 	} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
                    177: 	    $version=$Apache::lonhomework::history{'resource.0.version'};
                    178: 	}
1.29      albertel  179: 	$previous=0;
                    180:     }
                    181:     if (wantarray) {
                    182: 	return ($version,$previous);
1.25      albertel  183:     }
1.29      albertel  184:     return $version;
1.25      albertel  185: }
                    186: 
1.8       albertel  187: sub add_previous_version_button {
1.25      albertel  188:     my ($status)=@_;
1.8       albertel  189:     my $result;
1.89      albertel  190:     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
1.25      albertel  191: 	return '';
                    192:     }
1.89      albertel  193:     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
1.29      albertel  194: 	$status ne 'NEEDS_CHECKIN') {
1.25      albertel  195: 	return '';
                    196:     }
1.29      albertel  197:     my $version=&get_version();
                    198:     if ($env{'form.previousversion'} ne '' &&
                    199: 	$env{'form.previousversion'} eq $version) {
                    200: 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
                    201: 	    "</h3>\n";
                    202:     }
                    203:     my @to_show;
1.89      albertel  204:     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
                    205: 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
1.29      albertel  206: 	    push(@to_show,$test_version);
                    207: 	}
                    208:     }
                    209:     my $list='<option>'.
                    210: 	join("</option>\n<option>",@to_show).
                    211: 	     "</option>\n";
1.36      albertel  212:     $list.='<option value="current">'.&mt('Current').'</option>';
1.115     albertel  213:     $result.='<form name="getprevious" method="post" action="';
1.29      albertel  214:     my $uri=$env{'request.uri'};
                    215:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    216:     $result.=$uri.'">'.
                    217: 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
                    218: <option>'.&mt('Pick one').'</option>
                    219: '.$list.'
                    220: </select>')."</form>";
1.8       albertel  221:     return $result;
                    222: }
                    223: 
1.13      albertel  224: sub add_grading_button {
1.59      albertel  225:     my (undef,$cid)=&Apache::lonxml::whichuser();
                    226:     my $cnum=$env{'course.'.$cid.'.num'};
                    227:     my $cdom=$env{'course.'.$cid.'.domain'};
1.144     albertel  228:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
                    229: 
1.59      albertel  230:     my $size=5;
                    231:     if (scalar(keys(%sections)) < 3) {
                    232: 	$size=scalar(keys(%sections))+2;
                    233:     }
1.122     albertel  234:     my $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
1.59      albertel  235:     $sec_select .= "<option value='all' selected='selected'>all</option>\n";
                    236:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
1.122     albertel  237: 	$sec_select .= "<option value=\"$sec\">$sec</option>\n";
1.59      albertel  238:     }
                    239:     $sec_select .= "<option value='none'>none</option></select>\n";
                    240:     
1.29      albertel  241:     my $result=' <input type="submit" name="gradeasubmission" value="'.
1.13      albertel  242: 	&mt("Get a submission to grade").'" />';
                    243:     $result.='<input type="hidden" name="grade_target" value="webgrade" />';
1.40      albertel  244:     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.34      albertel  245: 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
1.106     albertel  246: 	$result.='<table><tr>';
                    247: 	$result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
                    248: 	$result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
                    249: 	    &mt("Select an entry from the grading queue:").'" /> ';
1.34      albertel  250: 
1.107     albertel  251: 	$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
1.34      albertel  252: 
                    253: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
1.106     albertel  254: 	$result.='<tr><td>'.
                    255: 	    ' <input type="submit" name="reviewasubmission" value="'.
                    256: 	    &mt("Select an entry from the review queue:").'" /> ';
                    257: 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
                    258: 		     $entries,$ready,$locks).'</td></tr>'."\n";
                    259: 	$result.='<tr><td> <input type="submit" name="regradeasubmission" value="'.
                    260: 	    &mt("List of user's grade status").'" /> </td></tr></table>'."\n";
1.105     albertel  261: 	$result.='<p> <input type="submit" name="regradeaspecificsubmission" value="'.
1.106     albertel  262: 	    &mt("Regrade specific user:").'" />'."\n";
1.105     albertel  263: 	$result.='<input type="text" size="12" name="gradinguser" />';
                    264: 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
                    265: 						     'gradingdomain');
                    266: 	$result.=' '.
                    267: 	    &Apache::loncommon::selectstudent_link('gradesubmission',
                    268: 						   'gradinguser',
                    269: 						   'gradingdomain');
                    270: 	$result.=&Apache::loncommon::studentbrowser_javascript();
1.123     albertel  271: 	$result.= '</p>';
1.144     albertel  272:     }
1.13      albertel  273:     return $result;
                    274: }
                    275: 
1.22      albertel  276: sub add_request_another_attempt_button {
1.38      albertel  277:     my ($text)=@_;
                    278:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  279:     my $result;
1.36      albertel  280:     my $symb=&Apache::lonnet::symbread();
1.149     albertel  281:     # not a slot access based resource
                    282:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
                    283:     if ($useslots =~ /^\s*no\s*$/i) {
                    284: 	return '';
                    285:     }
                    286: 
1.37      albertel  287:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  288:     my $action='get_reservation';
1.37      albertel  289:     if ($slot_name) {
1.38      albertel  290: 	$text="Change reservation.";
                    291: 	$action='change_reservation';
1.37      albertel  292: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    293: 							      $slot);
                    294: 	$result.=(<<STUFF);
                    295: <p> Will be next available: $description </p>
                    296: STUFF
                    297:     }
1.38      albertel  298:     
                    299:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
1.158     www       300:     $symb=&escape($symb);
1.115     albertel  301:     $result.='<form method="post" action="/adm/slotrequest">'.
1.38      albertel  302: 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
                    303: 	'<input type="hidden" name="command" value="'.$action.'" />'.
                    304: 	'<input type="submit" name="requestattempt" value="'.
                    305: 	&mt($text).'" />'.
                    306: 	'</form>';
1.25      albertel  307:     return $result;
1.22      albertel  308: }
                    309: 
1.30      albertel  310: sub preserve_grade_info {
                    311:     my $result;
                    312:     # if we are viewing someone else preserve that info
                    313:     if (defined $env{'form.grade_symb'}) {
                    314: 	foreach my $field ('symb','courseid','domain','username') {
                    315: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    316: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    317: 	}
                    318:     }
                    319:     return $result;
                    320: }
                    321: 
1.53      albertel  322: sub style {
1.125     albertel  323:     my ($target) = @_;
                    324:     if ($target eq 'web'
                    325: 	|| $target eq 'webgrade') {
                    326: 	return (<<STYLE);
1.126     albertel  327: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
1.53      albertel  328: STYLE
1.125     albertel  329:     }
                    330:     return;
1.53      albertel  331: }
                    332: 
1.54      albertel  333: sub show_task {
                    334:     my ($status,$previous)=@_;
                    335:     if (!$previous && (
                    336: 		       ( $status eq 'CLOSED' ) ||
                    337: 		       ( $status eq 'BANNED') ||
                    338: 		       ( $status eq 'UNAVAILABLE') ||
                    339: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    340: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    341: 		       ( $status eq 'WAITING_FOR_GRADE') ||
1.150     albertel  342: 		       ( $status eq 'INVALID_ACCESS') ||
                    343: 		       ( &get_version() eq ''))) {
1.54      albertel  344: 	return 0;
                    345:     }
1.64      albertel  346:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  347:     return 1;
                    348: }
                    349: 
1.173     albertel  350: my @delay;
                    351: sub nest { 
                    352:     if (@delay) {
                    353: 	return $delay[-1];
                    354:     } else {
                    355: 	return;
                    356:     }
                    357: }
                    358: 
                    359: sub nested_parse {
                    360:     my ($str,$env,$args) = @_;
                    361:     my @old_env = @Apache::scripttag::parser_env;
                    362:     @Apache::scripttag::parser_env = @$env;
                    363:     if (exists($args->{'set_dim_id'})) {
                    364: 	&enable_dimension_parsing($args->{'set_dim_id'});
                    365:     }
                    366:     push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
                    367:     my $result = &Apache::scripttag::xmlparse($$str);
                    368:     pop(@delay);
                    369:     if (exists($args->{'set_dim_id'})) {
                    370: 	&disable_dimension_parsing();
                    371:     }
                    372:     @Apache::scripttag::parser_env = @old_env;
                    373:     if ($args->{'delayed_dim_results'}) {
                    374: 	my $dim = &get_dim_id();
                    375: 	return $dimension{$dim}{'result'};
                    376:     }
                    377:     return $result;
                    378: }
                    379: 
1.54      albertel  380: sub internal_location {
                    381:     my ($id)=@_;
                    382:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    383: }
                    384: 
1.60      albertel  385: sub submission_time_stamp {
                    386:     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
                    387:     my $submissiontime;
1.89      albertel  388:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  389:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
                    390: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
                    391: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
                    392: 	}
                    393:     }
                    394:     my $result;
                    395:     if ($submissiontime) {
1.89      albertel  396: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  397: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    398: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  399: 	my ($color,$when)=('#FF6666','after');
                    400: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  401: 	my $info;
                    402: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    403: 	$diff=int($diff/60);
                    404: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    405: 	$diff=int($diff/60);
                    406: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    407: 	$result='<p><font color="'.$color.'">'.
                    408: 	    &mt('Student submitted [_1] [_2] the deadline. 
                    409:                  (Submission was at [_3], end of period was [_4].)',
                    410: 		$info,$when,scalar(localtime($submissiontime)),
                    411: 		scalar(localtime($slot{'endtime'}))).
                    412: 		'</font></p>';
                    413:     }
                    414:     return $result;
                    415: }
                    416: 
1.119     albertel  417: sub file_list {
                    418:     my ($files,$uname,$udom) = @_;
                    419:     if (!defined($uname) || !defined($udom)) {
                    420: 	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
                    421:     }
1.70      albertel  422:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.119     albertel  423: 
1.120     albertel  424:     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
1.119     albertel  425:     foreach my $partial_file (split(',',$files)) {
1.70      albertel  426: 	my $file=$file_url.$partial_file;
                    427: 	$file=~s|/+|/|g;
                    428: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.161     albertel  429: 	$file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
                    430: 	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
                    431: 	    '</a></span></li>'."\n";
1.70      albertel  432:     }
                    433:     $file_list.="</ul>\n";
1.119     albertel  434:     return $file_list;
                    435: }
                    436: 
1.163     albertel  437: sub grade_mode {
                    438:     if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
                    439: 	return 'regrade';
                    440:     }
                    441:     return 'queue_grade';
                    442: }
                    443: 
1.119     albertel  444: sub webgrade_standard_info {
                    445:     my ($version)=&get_version();
                    446: 
                    447:     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
1.70      albertel  448: 
1.163     albertel  449:     my %lt=('done'   => 'Next Item',
                    450: 	    'stop'   => 'Quit Grading',
                    451: 	    'fail'   => 'Fail Rest',
                    452: 	    'cancel' => 'Cancel',
                    453: 	    );
1.170     albertel  454:     %lt=&Apache::lonlocal::texthash(%lt);
1.163     albertel  455: 
1.70      albertel  456:     my $result=<<INFO;
1.120     albertel  457:   <div class="LC_GRADING_maincontrols">
1.163     albertel  458: INFO
                    459: 
                    460:     if (&grade_mode() eq 'regrade') {
                    461: 	$result.=<<INFO;
                    462:     <input type="submit" name="cancel" value="$lt{'cancel'}" />
                    463: INFO
                    464:     }
                    465: 
                    466:     $result.=<<INFO;
1.111     albertel  467:     <input type="submit" name="next" value="$lt{'done'}" />
                    468:     <input type="submit" name="stop" value="$lt{'stop'}" />
1.143     albertel  469:     <input type="button" name="fail" value="$lt{'fail'}" 
                    470:            onclick="javascript:onFailRest()" />
1.111     albertel  471:   </div>
1.70      albertel  472:   $file_list
                    473: INFO
                    474:     return $result;
                    475: }
                    476: 
1.166     albertel  477: sub done_screen {
                    478:     my ($version) = @_;
                    479:     my $title=&Apache::lonnet::gettitle();
                    480:     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
                    481:     my (undef,undef,$domain,$user)= &Apache::lonxml::whichuser();
                    482:     my $files = '<ul>';
1.167     albertel  483:     my $msg;
1.166     albertel  484:     foreach my $file (@files) {
                    485: 	my $url="/uploaded/$domain/$user/portfolio$file";
                    486: 	if (! &Apache::lonnet::stat_file($url)) {
                    487: 	    $file = &mt('<span class="LC_error"> Nonexistent file:</span> '.
                    488: 			'<span class="LC_filename">[_1]</span>',$file);
1.167     albertel  489: 	    $msg .= "<p>Submitted non-existant file $file</p>\n";
1.166     albertel  490: 	} else {
                    491: 	    $file = '<span class="LC_filename">'.$file.'</span>';
1.167     albertel  492: 	    $msg .= "<p>Submitted file $file</p>\n";
1.166     albertel  493: 	}
                    494: 	$files .= '<li>'.$file.'</li>';
                    495:     }
                    496:     $files.='</ul>';
1.167     albertel  497:     my $subject = "Submission message for $title";
                    498:     my ($message_status,$comment_status);
                    499:     my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
                    500:     $setting =~ s/^\s*(\S*)\s*$/$1/;
                    501:     $setting = lc($setting);
                    502:     if ($setting eq 'only_student'
                    503: 	|| $setting eq 'student_and_user_notes_screen') {
                    504: 	$message_status =
                    505: 	    &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
                    506: 	$message_status = '<p>'.&mt('Message sent to user: [_1]',
                    507: 				    $message_status).' </p>';
                    508:     }
                    509:     if ($setting eq 'student_and_user_notes_screen') {
                    510: 	$comment_status = 
                    511: 	    &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
                    512: 						      $msg,$user,$domain);
                    513: 	$comment_status = '<p>'.&mt('Message sent to instructor: [_1]',
                    514: 				    $comment_status).' </p>';
                    515:     }
1.166     albertel  516:     return <<DONESCREEN;
                    517: <h2>$title</h2>
                    518: <p> Files submitted: $files </p>
                    519: <p> You are now done with this Bridge Task </p>
                    520: <hr />
                    521: <p> <a href="/adm/logout">Logout</a> </p>
                    522: <p> <a href="/adm/roles">Change to a different course</a> </p>
1.167     albertel  523: $message_status
                    524: $comment_status
1.166     albertel  525: DONESCREEN
                    526: 
                    527: }
                    528: 
1.1       albertel  529: sub start_Task {
1.87      albertel  530:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  531: 
1.4       albertel  532:     my ($status,$accessmsg,$slot);
1.16      albertel  533:     if ($target ne 'webgrade') {
1.70      albertel  534: 	&Apache::structuretags::init_problem_globals('Task');
1.16      albertel  535: 	&Apache::structuretags::initialize_storage();
                    536: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  537: 	if ($env{'request.state'} eq 'construct') {
                    538: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    539: 	}
1.16      albertel  540:     } 
                    541: 
1.4       albertel  542:     $Apache::lonhomework::parsing_a_task=1;
1.141     albertel  543: 
                    544:     my $name;
                    545:     if ($target eq 'web' || $target eq 'webgrade') {
                    546: 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    547:     }
                    548: 
1.145     albertel  549:     my ($result,$form_tag_start);
                    550:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
                    551: 	|| $target eq 'edit') {
                    552: 	($result,$form_tag_start) =
                    553: 	    &Apache::structuretags::page_start($target,$token,$tagstack,
                    554: 					       $parstack,$parser,$safeeval,
1.146     albertel  555: 					       $name,&style($target));
1.145     albertel  556: 	$result .= '<div class="LC_task">'."\n";
                    557:     }
1.123     albertel  558: 
1.74      albertel  559:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.147     albertel  560: 	if ($Apache::lonhomework::queuegrade
                    561: 	    || $Apache::lonhomework::modifygrades) {
1.141     albertel  562: 	    $result.='<form name="gradesubmission" method="post" action="';
1.13      albertel  563: 	    my $uri=$env{'request.uri'};
                    564: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.141     albertel  565: 	    $result.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  566: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  567: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.141     albertel  568: 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  569: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    570: 		    '<input type="hidden" name="command" value="showslots" />'.
                    571: 		    '<input type="submit" name="requestattempt" value="'.
                    572: 		    &mt('Show Slot list').'" />'.
                    573: 		    '</form>';
1.108     albertel  574: 		my $target_id = 
                    575: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    576: 							     part => '0'});
1.141     albertel  577: 		$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  578: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    579: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    580: 		    '<input type="submit" name="grading" value="'.
                    581: 		    &mt('Show Grading Status').'" />'.
                    582: 		    '</form>';
1.40      albertel  583: 	    }
1.13      albertel  584: 	}
1.8       albertel  585:     }
1.74      albertel  586:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    587: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    588:     }
1.163     albertel  589:     if ($target eq 'web' 
                    590: 	|| ($target eq 'grade' && !$env{'form.webgrade'}) 
                    591: 	|| $target eq 'answer' 
                    592: 	|| $target eq 'tex') {
1.29      albertel  593: 	my ($version,$previous)=&get_version();
1.14      albertel  594: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  595: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.152     albertel  596: 	if ($status eq 'CAN_ANSWER' && $version eq '') {
1.177   ! albertel  597: 	    # CAN_ANSWER mode, and no current version, unproctored access
1.174     albertel  598: 	    # thus self-checkedin
1.177   ! albertel  599: 	    &check_in('Task',undef,undef,$slot_name);
1.152     albertel  600: 	    &add_to_queue('gradingqueue',{'type' => 'Task',
                    601: 					  'time' => time,
                    602: 					  'slot' => $slot_name});
1.150     albertel  603: 	    ($version,$previous)=&get_version();
                    604: 	}
                    605: 
1.9       albertel  606: 	push(@Apache::inputtags::status,$status);
1.14      albertel  607: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  608: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  609: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  610: 	&Apache::run::run($expression,$safeeval);
                    611: 	&Apache::lonxml::debug("Got $status");
1.141     albertel  612: 	$result.=&add_previous_version_button($status);
1.54      albertel  613: 	if (!&show_task($status,$previous)) {
1.87      albertel  614: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  615: 	    if ( $target eq "web" ) {
1.74      albertel  616: 		if ($env{'request.state'} eq 'construct') {
                    617: 		    $result.=$form_tag_start;
                    618: 		}
1.4       albertel  619: 		my $msg;
1.1       albertel  620: 		if ($status eq 'UNAVAILABLE') {
                    621: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  622: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    623: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  624: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  625: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    626: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    627: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  628: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    629: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  630: 		} elsif ($env{'form.donescreen'}) {
1.167     albertel  631: 		    $result .= &done_screen($version);
1.1       albertel  632: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    633: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    634: 		}
                    635: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    636: 		    $msg.='The problem '.$accessmsg;
                    637: 		}
                    638: 		$result.=$msg.'<br />';
                    639: 	    } elsif ($target eq 'tex') {
                    640: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    641: 		if ($status eq 'UNAVAILABLE') {
                    642: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    643: 		} else {
                    644: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    645: 		}
1.22      albertel  646: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  647: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  648: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    649: 		       && defined($Apache::inputtags::slot_name)) {
1.148     albertel  650: 			my $result=
                    651: 			    &add_to_queue('gradingqueue',
1.152     albertel  652: 					  {'type' => 'Task',
1.148     albertel  653: 					   'time' => time,
                    654: 					   'slot' => 
                    655: 					       $Apache::inputtags::slot_name});
1.77      albertel  656: 			&Apache::lonxml::debug("add_to_queue said $result");
                    657: 		    }
1.4       albertel  658: 		}
1.1       albertel  659: 	    }
                    660: 	} elsif ($target eq 'web') {
1.141     albertel  661: 
1.57      albertel  662: 	    $result.=&preserve_grade_info();
                    663: 	    $result.=&internal_location();
1.36      albertel  664: 	    $result.=$form_tag_start.
                    665: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  666: 	    &Apache::lonxml::startredirection();
1.1       albertel  667: 	}
1.21      albertel  668:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    669: 	      $target eq 'webgrade') {
1.32      albertel  670: 	my $webgrade='yes';
1.21      albertel  671: 	if ($target eq 'webgrade') {
1.141     albertel  672: 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
1.124     albertel  673: 		'<script type="text/javascript" 
1.126     albertel  674:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  675: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    676: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  677: 	}
1.33      albertel  678: 	# FIXME Blast! still need to reorg this, need to reshow the
                    679:         #       queue being reviewed once done with the grade pass...
                    680:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    681:         #       perhaps do a search if there is a key that is mine and if
                    682:         #       there isn't reshow the queue....
1.105     albertel  683: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  684: 
                    685: 	if ($todo) {
                    686: 	    &setup_env_for_other_user($todo,$safeeval);
                    687: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    688: 	    $result.="\n".'<table><tr><td>Found '.
                    689: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    690: 	    $form_tag_start.=
                    691: 		'<input type="hidden" name="gradingkey" value="'.
1.158     www       692: 		&escape($todo).'" />';
1.33      albertel  693: 	    $Apache::bridgetask::queue_key=$todo;
                    694: 	    &Apache::structuretags::initialize_storage();
                    695: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  696: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    697: 		$form_tag_start.=
                    698: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  699: 	    }
1.15      albertel  700: 	} else {
1.33      albertel  701: 	    if ($target eq 'webgrade') {
                    702: 		$result.="\n";
1.81      albertel  703: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    704: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  705: 		if      ($status_code eq 'stop') {
1.81      albertel  706: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.163     albertel  707: 		} elsif ($status_code eq 'cancel') {
                    708: 		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
1.164     albertel  709: 		} elsif ($status_code eq 'never_versioned') {
                    710: 		    $result.='<b>'.
                    711: 			&mt("Requested user has never accessed the task.").
                    712: 			'</b>'.$back;
1.165     albertel  713: 		} elsif ($status_code =~ /still_open:(.*)/) {
                    714: 		    my $date = &Apache::lonlocal::locallocaltime($1);
                    715: 		    $result.='<b>'.
                    716: 			&mt("Task is still open, will close at [_1].",$date).
                    717: 			'</b>'.$back;
1.33      albertel  718: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  719: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  720: 			.'</b>'.$back;
1.33      albertel  721: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  722: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    723: 			.'</b>'.$back;
1.33      albertel  724: 		    $result.=&show_queue($env{'form.queue'},1);
                    725: 		} elsif ($status_code eq 'show_list') {
                    726: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  727: 		} elsif ($status_code eq 'select_user') {
                    728: 		    $result.=&select_user();
1.95      albertel  729: 		} elsif ($status_code eq 'unable') {
                    730: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  731: 		} elsif ($status_code eq 'not_allowed') {
                    732: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  733: 		} else {
1.81      albertel  734: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  735: 		}
1.21      albertel  736: 	    }
1.33      albertel  737: 	    $webgrade='no';
1.163     albertel  738: 	}
                    739: 	if (!$todo || $env{'form.cancel'}) {
1.87      albertel  740: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  741: 	}
                    742: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  743: 	    if ($webgrade eq 'yes') {
                    744: 		$result.=&submission_time_stamp();
                    745: 	    }
1.32      albertel  746: 	    $result.=$form_tag_start;
                    747: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    748: 		$webgrade.'" />';
                    749: 	    $result.='<input type="hidden" name="queue" value="'.
                    750: 		$env{'form.queue'}.'" />';
1.52      albertel  751: 	    if ($env{'form.regrade'}) {
                    752: 		$result.='<input type="hidden" name="regrade" value="'.
                    753: 		    $env{'form.regrade'}.'" />';
                    754: 	    }
1.62      albertel  755: 	    if ($env{'form.chosensections'}) {
                    756: 		my @chosen_sections=
                    757: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    758: 		foreach my $sec (@chosen_sections) {
                    759: 		    $result.='<input type="hidden" name="chosensections" 
                    760:                                value="'.$sec.'" />';
                    761: 		}
                    762: 	    }
1.70      albertel  763: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  764: 	}
1.110     albertel  765: 	if ($target eq 'webgrade') {
1.120     albertel  766: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.110     albertel  767: 	}
1.74      albertel  768:     } elsif ($target eq 'edit') {
1.141     albertel  769: 	$result.=$form_tag_start.
1.74      albertel  770: 	    &Apache::structuretags::problem_edit_header();
                    771: 	$Apache::lonxml::warnings_error_header=
                    772: 	    &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 />";
                    773: 	my $temp=&Apache::edit::insertlist($target,$token);
                    774: 	$result.=$temp;
1.1       albertel  775:     } else {
                    776: 	# page_start returned a starting result, delete it if we don't need it
                    777: 	$result = '';
                    778:     }
                    779:     return $result;
                    780: }
                    781: 
1.165     albertel  782: sub get_task_end_time {
                    783:     my ($queue_entry,$symb,$udom,$uname) = @_;
                    784: 
                    785:     my $end_time;
                    786:     if (my $slot = &slotted_access($queue_entry)) {
                    787: 	my %slot_data=&Apache::lonnet::get_slot($slot);
                    788: 	$end_time = $slot_data{'endtime'};
                    789:     } else {
                    790: 	$end_time = &Apache::lonhomework::due_date('0',$symb,
                    791: 						   $udom,$uname);
                    792:     }
                    793:     return $end_time;
                    794: }
                    795: 
1.32      albertel  796: sub get_key_todo {
                    797:     my ($target)=@_;
                    798:     my $todo;
1.33      albertel  799: 
                    800:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  801: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  802: 	$env{'form.queue'}='reviewqueue';
                    803: 	return (undef,'show_list');
                    804:     }
                    805: 
                    806:     if (defined($env{'form.reviewagrading'})) {
                    807: 	&Apache::lonxml::debug("review a grading....");
                    808: 	$env{'form.queue'}='gradingqueue';
                    809: 	return (undef,'show_list');
                    810:     }
                    811: 
1.49      albertel  812:     if (defined($env{'form.regradeasubmission'})) {
                    813: 	&Apache::lonxml::debug("regrade a grading....");
                    814: 	$env{'form.queue'}='none';
                    815: 	return (undef,'select_user');
                    816:     }
                    817: 
1.105     albertel  818: 
1.138     albertel  819:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.105     albertel  820: 
                    821:     #need to try both queues..
                    822:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    823: 	defined($env{'form.gradinguser'})               &&
                    824: 	defined($env{'form.gradingdomain'})               ) {
                    825: 	my ($symb,$cid)=&Apache::lonxml::whichuser();
                    826: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    827: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    828: 	my $uname = $env{'form.gradinguser'};
                    829: 	my $udom  = $env{'form.gradingdomain'};
                    830: 
                    831: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    832: 
                    833: 	my $queue;
                    834: 
                    835: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    836: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    837: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    838: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    839: 	}
                    840: 	
                    841: 	if (!$queue) {
                    842: 	    $env{'form.queue'} = $queue = 'none';
                    843: 	    #not queued so doing either a re or pre grade
1.164     albertel  844: 	    my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
                    845: 	    if ($status{'resource.0.version'} < 1) {
                    846: 		return (undef,'never_versioned');
                    847: 	    }
1.105     albertel  848: 	    return ($gradingkey);
                    849: 	}
                    850: 
1.165     albertel  851: 	if ($queue) {
                    852: 	    my $queue_entry = &get_queue_data($queue,$udom,$uname);
                    853: 	
                    854: 	    my $end_time = &get_task_end_time($queue_entry,$symb,
                    855: 					      $udom,$uname);
                    856: 	    if ($end_time > time) {
                    857: 		return (undef,"still_open:$end_time");
                    858: 	    }
                    859: 	}
                    860: 
1.105     albertel  861: 	my $who=&queue_key_locked($queue,$gradingkey);
                    862: 	if ($who eq $me) {
                    863: 	    #already have the lock
1.158     www       864: 	    $env{'form.gradingkey'}=&escape($gradingkey);
1.163     albertel  865: 	    &Apache::lonxml::debug("already locked");
1.105     albertel  866: 	    return ($gradingkey);
                    867: 	}
                    868: 	
                    869: 	if (!defined($who)) {
                    870: 	    if (&lock_key($queue,$gradingkey)) {
1.163     albertel  871: 		&Apache::lonxml::debug("newly locked");
1.105     albertel  872: 		return ($gradingkey);
                    873: 	    } else {
                    874: 		return (undef,'lock_failed');
                    875: 	    }
                    876: 	}
                    877: 
                    878: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    879: 	return (undef,'not_allowed',
                    880: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
1.138     albertel  881: 		    $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
1.105     albertel  882:     }
                    883: 
                    884: 
1.32      albertel  885:     my $queue=$env{'form.queue'};
1.33      albertel  886: 
1.32      albertel  887:     if (!defined($queue)) {
                    888: 	$env{'form.queue'}=$queue='gradingqueue';
                    889:     }
1.33      albertel  890: 
1.158     www       891:     my $gradingkey=&unescape($env{'form.gradingkey'});
1.33      albertel  892: 
1.49      albertel  893:     if ($env{'form.queue'} eq 'none') {
                    894: 	if (defined($env{'form.gradingkey'})) {
                    895: 	    if ($target eq 'webgrade') {
                    896: 		if ($env{'form.stop'}) {
                    897: 		    return (undef,'stop');
1.163     albertel  898: 		} elsif ($env{'form.cancel'}) {
                    899: 		    return (undef,'cancel');
1.49      albertel  900: 		} elsif ($env{'form.next'}) {
1.59      albertel  901: 		    return (undef,'select_user');
1.49      albertel  902: 		}
                    903: 	    }
                    904: 	    return ($gradingkey,'selected');
                    905: 	} else {
1.59      albertel  906: 	    return (undef,'select_user');
1.49      albertel  907: 	}
                    908:     }
1.32      albertel  909:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  910: 	&& !defined($env{'form.gradingaction'}) 
                    911: 	&& $env{'form.queuemode'} eq 'selected') {
                    912: 	
                    913: 	my $who=&queue_key_locked($queue,$gradingkey);
                    914: 	if ($who eq $me) {
                    915: 	    &Apache::lonxml::debug("Found a key was given to me");
                    916: 	    return ($gradingkey,'selected');
                    917: 	} else {
                    918: 	    return (undef,'show_list');
                    919: 	}
                    920: 
                    921:     }
                    922: 
                    923:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    924: 	if ($env{'form.gradingaction'} eq 'resume') {
                    925: 	    delete($env{'form.gradingaction'});
                    926: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  927: 	    return ($gradingkey);
1.33      albertel  928: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    929: 	    &Apache::lonxml::debug("Unlocking a key ".
                    930: 				     &check_queue_unlock($queue,$gradingkey,1));
                    931: 	    return (undef,'unlock');
                    932: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    933: 	    &Apache::lonxml::debug("Locking a key");
                    934: 	    if (&lock_key($queue,$gradingkey)) {
                    935: 		&Apache::lonxml::debug("Success $queue");
                    936: 		return ($gradingkey);
                    937: 	    }
                    938: 	    &Apache::lonxml::debug("Failed $queue");
                    939: 	    return (undef,'lock_failed');
1.32      albertel  940: 	}
                    941:     }
1.33      albertel  942: 
                    943:     if ($env{'form.queuemode'} ne 'selected') {
                    944: 	# don't get something new from the queue if they hit the stop button
1.163     albertel  945:     	if (!(($env{'form.cancel'} || $env{'form.stop'}) 
                    946: 	      && $target eq 'webgrade') 
1.33      albertel  947: 	    && !$env{'form.gradingaction'}) {
                    948: 	    &Apache::lonxml::debug("Getting anew $queue");
                    949: 	    return (&get_from_queue($queue));
                    950: 	} else {
                    951: 	    return (undef,'stop');
                    952: 	}
1.32      albertel  953:     }
1.33      albertel  954:     return (undef,undef)
1.32      albertel  955: }
1.94      albertel  956: 
                    957: sub minimize_storage {
                    958:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    959: 	if ($key =~ /regrader$/) { next; }
                    960: 	if ($Apache::lonhomework::results{$key} eq
                    961: 	    $Apache::lonhomework::history{$key}) {
                    962: 	    delete($Apache::lonhomework::results{$key});
                    963: 	}
                    964:     }
                    965: }
                    966: 
1.1       albertel  967: sub end_Task {
                    968:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    969:     my $result='';
                    970:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  971:     my ($version,$previous)=&get_version();
1.1       albertel  972:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  973: 	$target eq 'tex') {
1.69      albertel  974: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  975: 	    if ($target eq 'web') {
1.54      albertel  976: 		if (&show_task($status,$previous)) {
                    977: 		    $result.=&Apache::lonxml::endredirection();
                    978: 		}
1.64      albertel  979: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    980: 		    !$env{'form.donescreen'}) {
1.15      albertel  981: 		    $result.="\n".'<table border="1">'.
1.28      albertel  982: 			&Apache::inputtags::file_selector("$version.0",
                    983: 							  "bridgetask","*",
1.46      albertel  984: 							  'portfolioonly',
                    985: 							  '
                    986: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    987: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  988: 							  "</table>";
1.77      albertel  989: 		}
1.78      albertel  990: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    991: 		    &show_task($status,$previous)) {
1.9       albertel  992: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  993: 		    $result.='</form>';
1.116     albertel  994: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel  995: 		    $result.=<<DONEBUTTON;
1.115     albertel  996: <form name="done" method="post" action="$action">
1.64      albertel  997:    <input type="hidden" name="donescreen" value="1" />
                    998:    <input type="submit" value="Done" />
                    999: </form>
                   1000: DONEBUTTON
1.77      albertel 1001:                 }
1.56      albertel 1002: 		if (&show_task($status,$previous) &&
1.89      albertel 1003: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                   1004: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel 1005: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel 1006: 
1.149     albertel 1007: 		    my $start_time;
                   1008: 
1.80      albertel 1009: 		    my $slot_name=
1.89      albertel 1010: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.149     albertel 1011: 		    if ($slot_name) {
                   1012: 			my %slot=&Apache::lonnet::get_slot($slot_name);
                   1013: 
                   1014: 			$start_time=$slot{'starttime'}
                   1015: 		    } else {
                   1016: 			$start_time= 
                   1017: 			    &Apache::lonnet::EXT('resource.0.opendate');
                   1018: 		    }
                   1019: 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
1.54      albertel 1020: 
1.116     albertel 1021: 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
1.54      albertel 1022: 		    
                   1023: 		    if ($bt_status eq 'pass')  {
                   1024: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel 1025: 			    $start_time.'</h2>';
1.54      albertel 1026: 		    }
                   1027: 		    if ($bt_status eq 'fail')  {
                   1028: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel 1029: 			    $start_time.'</h2>';
1.54      albertel 1030: 			if (!$previous) {
                   1031: 			    $status.=&add_request_another_attempt_button();
                   1032: 			}
                   1033: 		    }
                   1034: 		    my $man_count=0;
                   1035: 		    my $opt_count=0;
                   1036: 		    my $opt_passed=0;
1.168     albertel 1037: 		    foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
                   1038: 			if ($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}
1.54      albertel 1039: 			    eq 'N') {
                   1040: 			    $opt_count++;
1.168     albertel 1041: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.status"} eq 'pass') {
1.54      albertel 1042: 				$opt_passed++;
                   1043: 			    }
                   1044: 			} else {
                   1045: 			    $man_count++;
                   1046: 			}
                   1047: 		    }
1.151     albertel 1048: 		    
1.54      albertel 1049: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                   1050: 							 $parstack,$safeeval);
                   1051: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.99      albertel 1052: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
1.54      albertel 1053: 
                   1054: 		    my $internal_location=&internal_location();
                   1055: 		    $result=~s/\Q$internal_location\E/$status/;
                   1056: 		}
1.142     albertel 1057: 		$result.="\n</div>\n".
                   1058: 		    &Apache::loncommon::end_page({'discussion' => 1});
1.1       albertel 1059: 	    }
                   1060: 	}
1.29      albertel 1061: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel 1062: 	    my $award='SUBMITTED';
1.28      albertel 1063: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel 1064: 						    'portfiles',\$award);
1.14      albertel 1065: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel 1066: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                   1067: 		$Apache::lonhomework::results{"resource.0.tries"}=
                   1068: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                   1069: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                   1070: 
                   1071: 		$Apache::lonhomework::results{"resource.0.award"}=
                   1072: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                   1073: 		    $award;
1.51      albertel 1074: 		$Apache::lonhomework::results{"resource.0.submission"}=
                   1075: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel 1076: 	    } else {
                   1077: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel 1078: 		$award = '';
1.10      albertel 1079: 	    }
1.4       albertel 1080: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                   1081: 	    &Apache::structuretags::finalize_storage();
1.148     albertel 1082: 	    if ($award eq 'SUBMITTED') {
                   1083: 		my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                   1084: 		if ($useslots =~ /^\s*no\s*$/i) {
                   1085: 		    &add_to_queue('gradingqueue',
1.152     albertel 1086: 				  {'type' => 'Task',
1.148     albertel 1087: 				   'time' => time});
                   1088: 		} elsif (defined($Apache::inputtags::slot_name)) {
                   1089: 		    &add_to_queue('gradingqueue',
1.152     albertel 1090: 				  {'type' => 'Task',
1.148     albertel 1091: 				   'time' => time,
                   1092: 				   'slot' => $Apache::inputtags::slot_name});
                   1093: 		}
1.14      albertel 1094: 	    }
1.79      albertel 1095: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                   1096: 	    &Apache::structuretags::finalize_storage();
1.1       albertel 1097: 	}
1.163     albertel 1098: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1099: 	    && exists($env{'form.cancel'})) {
                   1100: 	    &check_queue_unlock($env{'form.queue'});
                   1101: 	    &Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
                   1102: 	} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1103: 		 && !exists($env{'form.cancel'})) {
1.20      albertel 1104: 	    my $optional_required=
                   1105: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                   1106: 					   $safeeval);
                   1107: 	    my $optional_passed=0;
                   1108: 	    my $mandatory_failed=0;
                   1109: 	    my $ungraded=0;
                   1110: 	    my $review=0;   
1.21      albertel 1111: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.168     albertel 1112: 	    foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
1.20      albertel 1113: 		my $status=
1.168     albertel 1114: 		    $Apache::lonhomework::results{"resource.$version.0.$dim.status"};
1.20      albertel 1115: 		my $mandatory=
1.168     albertel 1116: 		    ($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'} ne 'N');
1.20      albertel 1117: 		if ($status eq 'pass') {
                   1118: 		    if (!$mandatory) { $optional_passed++; }
                   1119: 		} elsif ($status eq 'fail') {
                   1120: 		    if ($mandatory) { $mandatory_failed++; }
                   1121: 		} elsif ($status eq 'ungraded') {
                   1122: 		    $ungraded++;
                   1123: 		} elsif ($status eq 'review') {
                   1124: 		    $review++;
1.49      albertel 1125: 		} else {
                   1126: 		    $ungraded++;
                   1127: 		}
1.20      albertel 1128: 	    }
                   1129: 	    if ($optional_passed < $optional_required) {
                   1130: 		$mandatory_failed++;
                   1131: 	    }
1.168     albertel 1132: 	    &Apache::lonxml::debug("all dim ".join(':',keys(%Apache::bridgetask::top_dimensionlist))."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.89      albertel 1133: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.138     albertel 1134: 		$env{'user.name'}.':'.$env{'user.domain'};
1.20      albertel 1135: 	    if ($review) {
1.89      albertel 1136: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel 1137: 		if ($env{'form.queue'} eq 'reviewqueue') {
                   1138: 		    &check_queue_unlock($env{'form.queue'});
                   1139: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                   1140: 		} else {
1.49      albertel 1141: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel 1142: 		}
1.20      albertel 1143: 	    } elsif ($ungraded) {
1.89      albertel 1144: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel 1145: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                   1146: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel 1147: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel 1148: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel 1149: 		} else {
                   1150: 		    &check_queue_unlock($env{'form.queue'});
                   1151: 		}
1.20      albertel 1152: 	    } elsif ($mandatory_failed) {
1.89      albertel 1153: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel 1154: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                   1155: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                   1156: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel 1157: 		&remove_from_queue($env{'form.queue'}); 
                   1158: 
                   1159: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel 1160: 		
                   1161: 		if ($env{'form.regrade'} ne 'yes') {
                   1162: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1163: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1164: 		    &Apache::grades::version_portfiles(
                   1165: 						       \%Apache::lonhomework::results,
                   1166: 						       ["$version.0.bridgetask"],$courseid,
                   1167: 						       $symb,$udom,$uname,
                   1168: 						       ["$version.0.bridgetask"]);
                   1169: 		}
1.20      albertel 1170: 	    } else {
1.89      albertel 1171: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel 1172: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                   1173: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                   1174: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel 1175: 		&remove_from_queue($env{'form.queue'});
1.39      albertel 1176: 
                   1177: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel 1178: 		if ($env{'form.regrade'} ne 'yes') {
                   1179: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1180: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1181: 		    &Apache::grades::version_portfiles(
                   1182: 						       \%Apache::lonhomework::results,
                   1183: 						       ["$version.0.bridgetask"],$courseid,
                   1184: 						       $symb,$udom,$uname,
                   1185: 						       ["$version.0.bridgetask"]);
                   1186: 		}
1.20      albertel 1187: 	    }
1.89      albertel 1188: 	    $Apache::lonhomework::results{"resource.0.status"}=
                   1189: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel 1190: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel 1191: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel 1192: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel 1193: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel 1194: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel 1195: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel 1196: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel 1197: 	    }
1.94      albertel 1198: 	    &minimize_storage();
1.21      albertel 1199: 	    &Apache::structuretags::finalize_storage();
1.20      albertel 1200: 	}
1.15      albertel 1201:     } elsif ($target eq 'webgrade') {
1.131     albertel 1202: 	$result.="</div>";
1.20      albertel 1203: 	#$result.='<input type="submit" name="next" value="'.
                   1204: 	#    &mt('Save &amp; Next').'" /> ';
                   1205: 	#$result.='<input type="submit" name="end" value="'.
                   1206: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1207: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1208: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1209: 	#$result.='<input type="submit" name="save" value="'.
                   1210: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel 1211: 	$result.='</form>'."\n</div>\n</div>\n".
1.140     albertel 1212: 	    &Apache::loncommon::end_page();
1.1       albertel 1213:     } elsif ($target eq 'meta') {
1.70      albertel 1214: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1215:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1216: 						      'Problem Status');
                   1217: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1218: 						      'Number of Attempts');
                   1219: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1220: 						      'Partial Credit Factor');
                   1221: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1222: 						      'Bridge Task Status');
1.1       albertel 1223:     }
1.4       albertel 1224:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1225:     return $result;
                   1226: }
                   1227: 
1.31      albertel 1228: sub move_between_queues {
                   1229:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1230:     my $cur_data;
                   1231:     if ($src_queue ne 'none') {
                   1232: 	$cur_data=&get_queue_data($src_queue);
                   1233: 	if (!$cur_data) { return 'not_exist'; }
                   1234:     } else {
                   1235: 	$cur_data = ['none'];
                   1236:     }
1.148     albertel 1237:     my $result=&add_to_queue($dest_queue,$cur_data);
1.31      albertel 1238:     if ($result ne 'ok') {
                   1239: 	return $result;
                   1240:     }
                   1241:     &check_queue_unlock($src_queue);
                   1242:     return &remove_from_queue($src_queue);
1.21      albertel 1243: }
                   1244: 
                   1245: sub check_queue_unlock {
1.32      albertel 1246:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1247:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel 1248:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel 1249:     if (!defined($key)) {
1.138     albertel 1250: 	$key="$symb\0queue\0$uname:$udom";
1.32      albertel 1251:     }
1.30      albertel 1252:     my $cnum=$env{'course.'.$cid.'.num'};
                   1253:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1254:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.30      albertel 1255:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1256:     if  ($who eq $me) {
1.163     albertel 1257: 	&Apache::lonxml::debug("unlocking my own $who");
1.32      albertel 1258: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1259:     } elsif ($allow_not_me) {
1.33      albertel 1260: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1261: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1262:     }
1.32      albertel 1263:     return 'not_owner';
1.21      albertel 1264: }
                   1265: 
1.88      albertel 1266: sub in_queue {
                   1267:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1268:     if ($queue eq 'none') { return 0; }
                   1269:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1270: 	|| !defined($udom) || !defined($uname)) {
                   1271: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1272: 	$cnum=$env{'course.'.$cid.'.num'};
                   1273: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1274:     }
                   1275: 
                   1276:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1277:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1278: 
                   1279:     if (defined($results{$key})) {
                   1280: 	return 1;
                   1281:     }
                   1282:     return 0;
                   1283: }
                   1284: 
1.21      albertel 1285: sub remove_from_queue {
1.86      albertel 1286:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1287:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1288:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1289: 	|| !defined($udom) || !defined($uname)) {
                   1290: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1291: 	$cnum=$env{'course.'.$cid.'.num'};
                   1292: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1293:     }
1.88      albertel 1294:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1295: 	return 'ok';
                   1296:     }
1.86      albertel 1297:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1298:     my @keys=($key,"$key\0locked");
1.31      albertel 1299:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1300: }
                   1301: 
1.16      albertel 1302: sub setup_env_for_other_user {
                   1303:     my ($queue_key,$safeeval)=@_;
                   1304:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1305:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1306:     $env{'form.grade_symb'}=$symb;
                   1307:     $env{'form.grade_domain'}=$udom;
                   1308:     $env{'form.grade_username'}=$uname;
                   1309:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1310:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1311: }
                   1312: 
1.31      albertel 1313: sub get_queue_data {
1.165     albertel 1314:     my ($queue,$udom,$uname)=@_;
                   1315:     my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonxml::whichuser();
                   1316:     if (!$uname || !$udom) {
                   1317: 	$uname=$other_uname;
                   1318: 	$udom =$other_udom;
                   1319:     }
1.31      albertel 1320:     my $cnum=$env{'course.'.$cid.'.num'};
                   1321:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1322:     my $todo="$symb\0queue\0$uname:$udom";
1.31      albertel 1323:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1324:     if ($key eq $todo && ref($value)) {
                   1325: 	return $value;
                   1326:     }
                   1327:     return undef;
                   1328: }
                   1329: 
1.84      albertel 1330: 
1.49      albertel 1331: sub check_queue_for_key {
1.84      albertel 1332:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1333: 
1.49      albertel 1334:     my %results=
                   1335: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1336:     
                   1337:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1338: 	if (defined($results{"$todo\0locked"})) {
                   1339: 	    return 'locked';
                   1340: 	}
1.148     albertel 1341: 	if (my $slot=&slotted_access($results{$todo})) {
1.86      albertel 1342: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1343: 	    if ($slot_data{'endtime'} > time) { 
                   1344: 		return 'in_progress';
                   1345: 	    }
1.148     albertel 1346: 	} else {
                   1347: 	    my ($symb) = &decode_queue_key($todo);
                   1348: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1349: 	    if ($due_date > time) {
                   1350: 		return 'in_progress';
                   1351: 	    }
1.58      albertel 1352: 	}
1.49      albertel 1353: 	return 'enqueued';
                   1354:     }
                   1355:     return undef;
                   1356: }
                   1357: 
1.14      albertel 1358: sub add_to_queue {
1.82      albertel 1359:     my ($queue,$user_data)=@_;
1.49      albertel 1360:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1361:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1362:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1363: 	return 'no_queue';
                   1364:     }
1.14      albertel 1365:     my $cnum=$env{'course.'.$cid.'.num'};
                   1366:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1367:     my %data;
1.138     albertel 1368:     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
1.83      albertel 1369:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1370: }
                   1371: 
1.156     albertel 1372: sub get_limited_classlist {
                   1373:     my ($sections) = @_;
                   1374: 
                   1375:     my $classlist = &Apache::loncoursedata::get_classlist();
1.157     albertel 1376:     foreach my $student (keys(%$classlist)) {
                   1377: 	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
                   1378: 	     ne 'Active') {
                   1379: 	    delete($classlist->{$student});
                   1380:        	}
                   1381:     }
1.156     albertel 1382: 
1.157     albertel 1383:     if (ref($sections) && !grep('all',@{ $sections })) {
1.156     albertel 1384: 	foreach my $student (keys(%$classlist)) {
                   1385: 	    my $section  = 
                   1386: 		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
                   1387: 	    if (! grep($section,@{ $sections })) {
                   1388: 		delete($classlist->{$student});
                   1389: 	    }
                   1390: 	}
                   1391:     }
                   1392:     return $classlist;
                   1393: }
                   1394: 
                   1395: 
1.14      albertel 1396: sub show_queue {
1.32      albertel 1397:     my ($queue,$with_selects)=@_;
1.14      albertel 1398:     my $result;
                   1399:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1400:     my $cnum=$env{'course.'.$cid.'.num'};
                   1401:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1402: 
                   1403:     my @chosen_sections=
                   1404: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1405: 
                   1406:     my $classlist = &get_limited_classlist(\@chosen_sections);
                   1407: 
1.63      albertel 1408:     if (!(grep(/^all$/,@chosen_sections))) {
                   1409: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1410: 	    '</tt>.</p> '."\n";
                   1411:     }
1.59      albertel 1412: 
1.156     albertel 1413:     my ($view,$view_section);
                   1414:     my $scope = $env{'request.course.id'};
                   1415:     if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
                   1416: 	$scope .= '/'.$env{'request.course.sec'};
                   1417: 	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
                   1418: 	    $view_section=$env{'request.course.sec'};
                   1419: 	} else {
                   1420: 	    undef($view);
                   1421: 	}
                   1422:     }
                   1423: 
1.16      albertel 1424:     my $regexp="^$symb\0";
1.30      albertel 1425:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1426:     my ($tmp)=%queue;
                   1427:     if ($tmp=~/^error: 2 /) {
1.159     albertel 1428: 	return "\n<h3>Current Queue - $queue</h3>".
                   1429: 	    &Apache::loncommon::start_data_table().
                   1430: 	    &Apache::loncommon::start_data_table_row().
                   1431: 	    '<td>'.&mt('Empty').'</td>'.
                   1432: 	    &Apache::loncommon::end_data_table_row().
                   1433: 	    &Apache::loncommon::end_data_table();
1.31      albertel 1434:     }
1.103     albertel 1435:     my $title=&Apache::lonnet::gettitle($symb);
1.159     albertel 1436:     $result.="\n<h3>Current Queue - $title $queue </h3>".
                   1437: 	&Apache::loncommon::start_data_table().
                   1438: 	&Apache::loncommon::start_data_table_header_row();
1.103     albertel 1439:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
1.159     albertel 1440:     $result.="<th>user</th><th>data</th>".
                   1441: 	&Apache::loncommon::end_data_table_header_row();
1.14      albertel 1442:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1443: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1444: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.156     albertel 1445: 	
                   1446: 	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
                   1447: 
                   1448: 	my $can_view=1;
                   1449: 	if (!$view
                   1450: 	    || ($view_section && !$section)
                   1451: 	    || ($view_section && $section && ($view_section ne $section))) {
                   1452: 	    $can_view=0;
                   1453: 	}
                   1454: 
1.32      albertel 1455: 	if ($key=~/locked$/ && !$with_selects) {
1.159     albertel 1456: 	    $result.= &Apache::loncommon::start_data_table_row().
                   1457: 		"<td>$uname</td>";
1.103     albertel 1458: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1459: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.159     albertel 1460: 	    $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
1.103     albertel 1461: 	    $result.='<td>'.
1.16      albertel 1462: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1463: 	} elsif ($key!~/(timestamp|locked)$/) {
1.159     albertel 1464: 	    $result.= &Apache::loncommon::start_data_table_row();
1.148     albertel 1465: 	    my ($end_time,$slot_text);
                   1466: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1467: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1468: 		$end_time = $slot_data{'endtime'};
                   1469: 		$slot_text = &mt('Slot: [_1]',$slot);
                   1470: 	    } else {
                   1471: 		$end_time = &Apache::lonhomework::due_date('0',$symb);
                   1472: 		$slot_text = '';
                   1473: 	    }
1.32      albertel 1474: 	    if ($with_selects) {
1.158     www      1475: 		my $ekey=&escape($key);
1.103     albertel 1476: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1477: 		if (exists($queue{"$key\0locked"})) {
1.138     albertel 1478: 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.103     albertel 1479: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1480: 		    if ($me eq $queue{"$key\0locked"}) {
                   1481: 			($action,$description)=('resume',&mt('Resume'));
                   1482: 		    } else {
                   1483: 			($action,$description)=('unlock',&mt('Unlock'));
                   1484: 		    }
                   1485: 		}
1.62      albertel 1486: 		my $seclist;
                   1487: 		foreach my $sec (@chosen_sections) {
                   1488: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1489:                                value="'.$sec.'" />';
                   1490: 		}
1.156     albertel 1491: 		if ($can_view && ($end_time ne '' && time > $end_time)) {
1.35      albertel 1492: 		    $result.=(<<FORM);
1.103     albertel 1493: <td>$status</td>
1.32      albertel 1494: <td>
1.115     albertel 1495: <form style="display: inline" method="post">
1.32      albertel 1496:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1497:  <input type="hidden" name="queue" value="$queue" />
                   1498:  <input type="hidden" name="gradingaction" value="$action" />
                   1499:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1500:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1501:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1502:  $seclist
1.32      albertel 1503: </form>
                   1504: </td>
                   1505: FORM
1.156     albertel 1506:                 } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
                   1507: 		    $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
1.35      albertel 1508:                 } else {
1.148     albertel 1509: 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
1.35      albertel 1510: 		}
1.32      albertel 1511: 	    }
1.156     albertel 1512: 	    $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
1.138     albertel 1513: 		" <tt>($uname:$udom)</tt> </td>";
1.148     albertel 1514: 	    $result.='<td>'.$slot_text.' End time: '.
                   1515: 		&Apache::lonlocal::locallocaltime($end_time).
1.159     albertel 1516: 		"</td>".&Apache::loncommon::end_data_table_row();
1.16      albertel 1517: 	}
1.14      albertel 1518:     }
1.159     albertel 1519:     $result.= &Apache::loncommon::end_data_table()."<hr />\n";
1.14      albertel 1520:     return $result;
                   1521: }
                   1522: 
1.34      albertel 1523: sub get_queue_counts {
                   1524:     my ($queue)=@_;
                   1525:     my $result;
                   1526:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1527:     my $cnum=$env{'course.'.$cid.'.num'};
                   1528:     my $cdom=$env{'course.'.$cid.'.domain'};
1.156     albertel 1529: 
1.157     albertel 1530:     my $classlist=&get_limited_classlist();
1.156     albertel 1531: 
1.34      albertel 1532:     my $regexp="^$symb\0";
                   1533:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1534:     my ($tmp)=%queue;
                   1535:     if ($tmp=~/^error: 2 /) {
                   1536: 	return (0,0,0);
                   1537:     }
                   1538:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1539:     my %slot_cache;
1.34      albertel 1540:     foreach my $key (sort(keys(%queue))) {
1.156     albertel 1541: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1542: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
                   1543: 
1.34      albertel 1544: 	if ($key=~/locked$/) {
                   1545: 	    $locks++;
                   1546: 	} elsif ($key=~/timestamp$/) {
                   1547: 	    #ignore
                   1548: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1549: 	    $entries++;
1.148     albertel 1550: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1551: 		if (!exists($slot_cache{$slot})) {
                   1552: 		    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1553: 		    $slot_cache{$slot} = \%slot_data;
                   1554: 		}
                   1555: 		if (time > $slot_cache{$slot}{'endtime'}) {
                   1556: 		    $ready_to_grade++;
                   1557: 		}
                   1558: 	    } else {
                   1559: 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1560: 		if ($due_date ne '' && time > $due_date) {
                   1561: 		    $ready_to_grade++;
                   1562: 		}
1.34      albertel 1563: 	    }
                   1564: 	}
                   1565:     }
                   1566:     return ($entries,$ready_to_grade,$locks);
                   1567: }
                   1568: 
1.49      albertel 1569: sub encode_queue_key {
                   1570:     my ($symb,$udom,$uname)=@_;
1.138     albertel 1571:     return "$symb\0queue\0$uname:$udom";
1.49      albertel 1572: }
                   1573: 
1.14      albertel 1574: sub decode_queue_key {
                   1575:     my ($key)=@_;
                   1576:     my ($symb,undef,$user) = split("\0",$key);
1.138     albertel 1577:     my ($uname,$udom) = split(':',$user);
1.14      albertel 1578:     return ($symb,$uname,$udom);
                   1579: }
                   1580: 
                   1581: sub queue_key_locked {
1.30      albertel 1582:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1583:     if (!defined($cdom) || !defined($cnum)) {
                   1584: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1585: 	$cnum=$env{'course.'.$cid.'.num'};
                   1586: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1587:     }
1.14      albertel 1588:     my ($key_locked,$value)=
1.30      albertel 1589: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1590:     if ($key_locked eq "$key\0locked") {
                   1591: 	return $value;
                   1592:     }
                   1593:     return undef;
                   1594: }
                   1595: 
1.148     albertel 1596: sub slotted_access {
                   1597:     my ($queue_entry) = @_;
                   1598:     if (ref($queue_entry) eq 'ARRAY') {
                   1599: 	if (defined($queue_entry->[0])) {
                   1600: 	    return $queue_entry->[0];
                   1601: 	}
                   1602: 	return undef;
                   1603:     } elsif (ref($queue_entry) eq 'HASH') {
                   1604: 	if (defined($queue_entry->{'slot'})) {
                   1605: 	    return $queue_entry->{'slot'};
                   1606: 	}
                   1607: 	return undef;
                   1608:     }
                   1609:     return undef;
                   1610: }
                   1611: 
1.14      albertel 1612: sub pick_from_queue_data {
1.156     albertel 1613:     my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
1.98      albertel 1614:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1615:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1616: 	if ($key =~ /\0locked$/) { next; }
                   1617: 	if ($key =~ /\0timestamp$/) { next; }
1.156     albertel 1618: 
1.14      albertel 1619: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
1.156     albertel 1620: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
                   1621: 
1.14      albertel 1622: 	if ($check_section) {
1.156     albertel 1623: 	    my $section =
                   1624: 		$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
1.17      albertel 1625: 	    if ($section eq $check_section) {
1.33      albertel 1626: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1627: 		next;
                   1628: 	    }
1.14      albertel 1629: 	}
1.148     albertel 1630: 	my $end_time;
                   1631: 	if (my $slot=&slotted_access($queuedata->{$key})) {
1.154     albertel 1632: 	    &Apache::lonxml::debug("looking at slot $slot");
1.148     albertel 1633: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1634: 	    if ($slot_data{'endtime'} < time) { 
                   1635: 		$end_time = $slot_data{'endtime'};
1.154     albertel 1636: 	    } else {
                   1637: 		&Apache::lonxml::debug("not time ".$slot_data{'endtime'});
                   1638: 		next;
1.148     albertel 1639: 	    }
                   1640: 	} else {
                   1641: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
1.154     albertel 1642: 	    if ($due_date < time) {
1.148     albertel 1643: 		$end_time = $due_date;
1.154     albertel 1644: 	    } else {
                   1645: 		&Apache::lonxml::debug("not time $due_date");
                   1646: 		next;
1.148     albertel 1647: 	    }
                   1648: 	}
                   1649: 	
1.98      albertel 1650: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1651: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1652: 	    next;
                   1653: 	}
1.148     albertel 1654: 	push(@possible,[$key,$end_time]);
1.98      albertel 1655:     }
                   1656:     if (@possible) {
                   1657:         # sort entries in order by slot end time
                   1658: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
1.137     albertel 1659: 	# pick one of the entries in the top 10% in small queues and one
                   1660: 	# of the first ten entries in large queues
1.139     albertel 1661: 	#my $ten_percent = int($#possible * 0.1);
                   1662: 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
                   1663: 	#if ($ten_percent > 10) { $ten_percent = 10; }
                   1664: 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
1.137     albertel 1665: 	
1.139     albertel 1666: 	#return $possible[int(rand($max))][0];
                   1667: 	return $possible[0][0];
1.14      albertel 1668:     }
                   1669:     return undef;
                   1670: }
                   1671: 
1.15      albertel 1672: sub find_mid_grade {
1.30      albertel 1673:     my ($queue,$symb,$cdom,$cnum)=@_;
1.158     www      1674:     my $todo=&unescape($env{'form.gradingkey'});
1.138     albertel 1675:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.15      albertel 1676:     if ($todo) {
1.30      albertel 1677: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1678: 	if ($who eq $me) { return $todo; }
                   1679:     }
                   1680:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1681:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1682:     foreach my $key (keys(%locks)) {
                   1683: 	my $who=$locks{$key};
                   1684: 	if ($who eq $me) {
                   1685: 	    $todo=$key;
                   1686: 	    $todo=~s/\0locked$//;
                   1687: 	    return $todo;
                   1688: 	}
                   1689:     }
                   1690:     return undef;
                   1691: }
                   1692: 
1.32      albertel 1693: sub lock_key {
                   1694:     my ($queue,$todo)=@_;
1.138     albertel 1695:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.32      albertel 1696:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1697:     my $cnum=$env{'course.'.$cid.'.num'};
                   1698:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1699:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1700: 					$cdom,$cnum);
1.33      albertel 1701:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1702:     if ($success eq 'ok') {
                   1703: 	return 1;
                   1704:     }
                   1705:     return 0;
                   1706: }
                   1707: 
1.86      albertel 1708: sub get_queue_symb_status {
1.85      albertel 1709:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1710:     if (!defined($cdom) || !defined($cnum)) {
                   1711: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1712: 	$cnum=$env{'course.'.$cid.'.num'};
                   1713: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1714:     }
1.157     albertel 1715:     my $classlist=&get_limited_classlist();
1.156     albertel 1716: 
1.85      albertel 1717:     my $regexp="^$symb\0";
                   1718:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1719:     my ($tmp)=%queue;
                   1720:     if ($tmp=~/^error: 2 /) { return; }
                   1721:     my @users;
                   1722:     foreach my $key (sort(keys(%queue))) {
                   1723: 	next if ($key=~/locked$/);
                   1724: 	next if ($key=~/timestamp$/);
                   1725: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
1.156     albertel 1726: 	next if (!defined($classlist->{$uname.':'.$udom}));
1.85      albertel 1727: 	push(@users,"$uname:$udom");
                   1728:     }
                   1729:     return @users;
                   1730: }
                   1731: 
1.14      albertel 1732: sub get_from_queue {
1.30      albertel 1733:     my ($queue)=@_;
1.14      albertel 1734:     my $result;
                   1735:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1736:     my $cnum=$env{'course.'.$cid.'.num'};
                   1737:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1738:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1739:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1740:     if ($todo) { return $todo; }
1.95      albertel 1741:     my $attempts=0;
1.156     albertel 1742: 
1.157     albertel 1743:     my $classlist=&get_limited_classlist();
1.156     albertel 1744: 
1.14      albertel 1745:     while (1) {
1.95      albertel 1746: 	if ($attempts > 2) {
                   1747: 	    # tried twice to get a queue entry, giving up
                   1748: 	    return (undef,'unable');
                   1749: 	}
1.14      albertel 1750: 	my $starttime=time;
1.83      albertel 1751: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1752: 			      $cdom,$cnum);
1.33      albertel 1753: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1754: 	my $regexp="^$symb\0queue\0";
1.156     albertel 1755: 	#my $range= ($attempts < 1 ) ? '0-100' : '0-400';
1.97      albertel 1756: 
1.98      albertel 1757: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1758: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1759: 	if ($env{'request.course.sec'}) {
1.33      albertel 1760: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1761: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1.156     albertel 1762: 					\%queue,$cdom,$cnum,$classlist);
1.33      albertel 1763: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1764: 	}
1.33      albertel 1765: 	# no one _not_ in our section so look for any user that is
                   1766: 	# ready for grading
1.14      albertel 1767: 	if (!$todo) {
1.33      albertel 1768: 	    &Apache::lonxml::debug("no sce");
1.156     albertel 1769: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
                   1770: 					$classlist);
1.33      albertel 1771: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1772: 	}
                   1773: 	# no user to grade 
                   1774: 	if (!$todo) { last; }
1.33      albertel 1775: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1776: 	# otherwise found someone so lets try to lock them
1.32      albertel 1777: 	# unless someone else already picked them
1.95      albertel 1778: 	if (!&lock_key($queue,$todo)) {
                   1779: 	    $attempts++;
                   1780: 	    next;
                   1781: 	}
1.14      albertel 1782: 	my (undef,$endtime)=
1.30      albertel 1783: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1784: 				 $cdom,$cnum);
1.33      albertel 1785: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1786: 	# someone else already modified the queue, 
                   1787: 	# perhaps our picked user wass already fully graded between
                   1788: 	# when we picked him and when we locked his record? so lets
                   1789: 	# double check.
                   1790: 	if ($endtime != $starttime) {
                   1791: 	    my ($key,$value)=
1.30      albertel 1792: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1793: 				     $cdom,$cnum);
1.33      albertel 1794: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1795: 	    if ($key eq $todo && ref($value)) {
                   1796: 	    } else {
1.30      albertel 1797: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1798: 				     $cdom,$cnum);
1.33      albertel 1799: 		&Apache::lonxml::debug("del");
1.95      albertel 1800: 		$attempts++;
1.14      albertel 1801: 		next;
                   1802: 	    }
                   1803: 	}
1.33      albertel 1804: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1805: 	last;
                   1806:     }
                   1807:     return $todo;
                   1808: }
                   1809: 
1.49      albertel 1810: sub select_user {
                   1811:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1812: 
1.59      albertel 1813:     my @chosen_sections=
                   1814: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1815: 
                   1816:     my $classlist = &get_limited_classlist(\@chosen_sections);
1.63      albertel 1817:     
                   1818:     my $result;
                   1819:     if (!(grep(/^all$/,@chosen_sections))) {
                   1820: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1821: 	    '</tt>.</p> '."\n";
                   1822:     }
1.159     albertel 1823:     $result.=&Apache::loncommon::start_data_table();
1.49      albertel 1824: 
1.156     albertel 1825:     foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
1.49      albertel 1826: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1827: 	
1.84      albertel 1828: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1829: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1830: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1831: 					 'Task');
1.49      albertel 1832: 	my $queue = 'none';
1.58      albertel 1833: 	my $cannot_grade;
                   1834: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1835: 	    $queue = 'reviewqueue';
1.58      albertel 1836: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1837: 		$cannot_grade=1;
                   1838: 	    }
                   1839: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1840: 	    $queue = 'gradingqueue';
1.58      albertel 1841: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1842: 		$cannot_grade=1;
                   1843: 	    }
1.49      albertel 1844: 	}
                   1845: 	my $todo = 
1.158     www      1846: 	    &escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1847: 	if ($cannot_grade) {
1.159     albertel 1848: 	    $result.=&Apache::loncommon::start_data_table_row().
                   1849: 		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
1.58      albertel 1850: 		'</td><td>';
                   1851: 	} else {
1.62      albertel 1852: 	    my $seclist;
                   1853: 	    foreach my $sec (@chosen_sections) {
                   1854: 		$seclist.='<input type="hidden" name="chosensections" 
                   1855:                                value="'.$sec.'" />';
                   1856: 	    }
1.159     albertel 1857: 	    $result.=&Apache::loncommon::start_data_table_row();
1.58      albertel 1858: 	    $result.=<<RESULT;
1.49      albertel 1859:   <td>
1.115     albertel 1860:     <form style="display: inline" method="post">
1.49      albertel 1861:       <input type="hidden" name="gradingkey" value="$todo" />
                   1862:       <input type="hidden" name="queue" value="$queue" />
                   1863:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1864:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1865:       <input type="submit" name="submit" value="Regrade" />
                   1866:       $seclist
1.49      albertel 1867:     </form>
1.155     albertel 1868:   <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
1.49      albertel 1869:   <td>
                   1870: RESULT
1.58      albertel 1871:         }
1.49      albertel 1872:         if ($status{'status'} eq 'pass') {
                   1873: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1874: 	} elsif ($status{'status'} eq 'fail') {
                   1875: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1876: 	} elsif ($status{'status'} eq 'review') {
                   1877: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1878: 	} elsif ($status{'status'} eq 'ungraded') {
                   1879: 	    $result .= &mt('Ungraded');
                   1880: 	} elsif ($status{'status'} ne '') {
                   1881: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1882: 	} else {
                   1883: 	    $result.="&nbsp;";
                   1884: 	}
                   1885: 	if ($status{'version'}) {
                   1886: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1887: 	}
1.101     albertel 1888: 	if ($status{'grader'}) {
                   1889: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1890: 	}
1.49      albertel 1891: 	$result.= '</td><td>';
                   1892: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1893: 	    $result .= &mt('Awaiting Review');
                   1894: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1895: 	    $result .= &mt('Under Review');
1.58      albertel 1896: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1897: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1898: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1899: 	    $result .= &mt('Awaiting Grading');
                   1900: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1901: 	    $result .= &mt('Being Graded');
1.58      albertel 1902: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1903: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1904: 	} else {
                   1905: 	    $result.="&nbsp;";
                   1906: 	}
1.159     albertel 1907: 	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
1.49      albertel 1908:     }
1.159     albertel 1909:     $result.=&Apache::loncommon::end_data_table();
1.49      albertel 1910:     return $result;
                   1911: }
                   1912: 
                   1913: sub get_student_status {
1.86      albertel 1914:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1915: 
                   1916:     my %status;
                   1917: 
                   1918:     if ($type eq 'Task') {
                   1919: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1920: 					  $udom,$uname);
1.89      albertel 1921: 	$status{'status'}=$record{'resource.0.status'};
                   1922: 	$status{'version'}=$record{'resource.0.version'};
                   1923: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1924:     }
                   1925:     $status{'reviewqueue'}=
                   1926: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1927: 			     &encode_queue_key($symb,$udom,$uname));
                   1928:     $status{'gradingqueue'}=
                   1929: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1930: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1931:     return %status;
                   1932: }
                   1933: 
1.1       albertel 1934: sub start_ClosingParagraph {
                   1935:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1936:     my $result;
                   1937:     if ($target eq 'web') {
1.13      albertel 1938:     } elsif ($target eq 'webgrade') {
                   1939: 	&Apache::lonxml::startredirection();
1.1       albertel 1940:     }
                   1941:     return $result;
                   1942: }
                   1943: 
                   1944: sub end_ClosingParagraph {
                   1945:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1946:     my $result;
                   1947:     if ($target eq 'web') {
1.13      albertel 1948:     } elsif ($target eq 'webgrade') {
                   1949: 	&Apache::lonxml::endredirection();
1.1       albertel 1950:     }
                   1951:     return $result;
                   1952: }
                   1953: 
1.168     albertel 1954: sub get_dim_id {
                   1955:     return $Apache::bridgetask::dimension[-1];
                   1956: }
                   1957: 
1.19      albertel 1958: sub get_id {
                   1959:     my ($parstack,$safeeval)=@_;
                   1960:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1961:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1962:     return $id;
                   1963: }
                   1964: 
1.162     albertel 1965: sub start_Setup {
                   1966:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.168     albertel 1967:     #undef(%dimension);
                   1968:     my $dim = &get_id($parstack,$safeeval);
                   1969:     push(@Apache::bridgetask::dimension,$dim);
1.162     albertel 1970:     &Apache::lonxml::startredirection();
1.168     albertel 1971:     return &internal_location($dim);
1.162     albertel 1972: }
1.173     albertel 1973: 
                   1974: {
                   1975:     my @allowed;
                   1976:     sub enable_dimension_parsing {
                   1977: 	my ($id) = @_;
                   1978: 	push(@allowed,$id);
                   1979:     }
                   1980:     sub disable_dimension_parsing {
                   1981: 	pop(@allowed);
                   1982:     }
                   1983:     sub skip_dimension_parsing {
                   1984: 	my ($check) = @_;
                   1985: 	if (!@allowed) { return 0;}
                   1986: 	# if unspecified allow any id
                   1987: 	if ($allowed[-1] eq undef) { return 0;}
                   1988: 
                   1989: 	return ($check ne $allowed[-1]);
                   1990:     }
                   1991: }
                   1992: 
1.151     albertel 1993: sub start_Question { return &start_Dimension(@_); }
1.1       albertel 1994: sub start_Dimension {
1.173     albertel 1995:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 1996:     my $dim = &get_id($parstack,$safeeval);
                   1997:     my $previous_dim;
                   1998:     if (@Apache::bridgetask::dimension) {
                   1999: 	$previous_dim = $Apache::bridgetask::dimension[-1];
                   2000: 	push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
                   2001: 	     $dim);
1.173     albertel 2002: 	if(&skip_dimension_parsing($dim)) {
                   2003: 	    $dimension{$previous_dim}{'criteria.'.$dim} =
                   2004: 		$token->[4]
                   2005: 		.&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
                   2006: 					      $style)
                   2007: 		.'</'.$tagstack->[-1].'>';
                   2008: 	}
1.169     albertel 2009: 	$dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
                   2010: 	$dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
                   2011: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2012: 	push(@{$dimension{$previous_dim}{'criterias'}},$dim);
1.171     albertel 2013: 	$dimension{$dim}{'nested'}=$previous_dim;
1.172     albertel 2014: 	&Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
1.168     albertel 2015:     } else {
                   2016: 	$Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}=
                   2017: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2018:     }
                   2019:     push(@Apache::bridgetask::dimension,$dim);
1.54      albertel 2020:     &Apache::lonxml::startredirection();
1.173     albertel 2021:     &enable_dimension_parsing($dim);
1.168     albertel 2022:     return &internal_location($dim);
1.1       albertel 2023: }
                   2024: 
1.160     albertel 2025: sub start_QuestionText {
                   2026:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2027:     my $dim = &get_dim_id();
1.160     albertel 2028:     my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
                   2029:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.169     albertel 2030: 	$dimension{$dim}{'questiontext'}=$text;
1.160     albertel 2031:     }
                   2032:     return '';
                   2033: }
                   2034: 
                   2035: sub end_QuestionText {
                   2036:     return '';
                   2037: }
                   2038: 
1.13      albertel 2039: sub get_instance {
1.75      albertel 2040:     my ($dim)=@_;
                   2041:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   2042:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   2043: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   2044: 	$rand_alg eq '64bit4' ) {
                   2045: 	&Apache::response::pushrandomnumber();
1.169     albertel 2046: 	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
1.75      albertel 2047: 	my $num=@order;
                   2048: 	my $version=&get_version();
                   2049: 	my $which=($version-1)%$num;
                   2050: 	return $order[$which];
                   2051:     } else {
                   2052: 	my ($version,$previous) = &get_version();
                   2053: 	my $instance = 
                   2054: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   2055: 	if (defined($instance)) { return $instance; }
                   2056: 
                   2057: 	&Apache::response::pushrandomnumber();
1.173     albertel 2058: 	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
                   2059: 	    my @instances = @{$dimension{$dim}{'instances'}};
                   2060: 	    # remove disabled instances
                   2061: 	    for (my $i=0; $i < $#instances; $i++) {
                   2062: 		if ($dimension{$dim}{$instances[$i].'.disabled'}) {
                   2063: 		    splice(@instances,$i,1);
                   2064: 		    $i--;
                   2065: 		}
                   2066: 	    }
                   2067: 	    @instances = &Math::Random::random_permutation(@instances);
                   2068: 	    $instance  = $instances[($version-1)%scalar(@instances)];
                   2069: 	    if ($version =~ /^\d$/) {
                   2070: 		$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   2071: 		    $instance;
                   2072: 		$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 2073: 	    }
                   2074: 	}
                   2075: 	&Apache::response::poprandomnumber();
                   2076: 	return $instance;
                   2077:     }
1.13      albertel 2078: }
                   2079: 
1.169     albertel 2080: sub get_criteria {
                   2081:     my ($what,$version,$dim,$id) = @_;
                   2082:     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2083:     my $prefix = ($type eq 'criteria') ? "$dim.$id"
                   2084: 	                               : "$id";
                   2085:     my $entry = "resource.$version.0.$prefix.$what";
                   2086:     if (exists($Apache::lonhomework::results{$entry})) {
                   2087: 	return $Apache::lonhomework::results{$entry};
                   2088:     }
                   2089:     return $Apache::lonhomework::history{$entry};
                   2090: }
                   2091: 
1.18      albertel 2092: {
                   2093:     my $last_link;
1.122     albertel 2094:     sub link {
1.151     albertel 2095: 	my ($id) = @_;
                   2096: 	$id =~ s/\./_/g;
                   2097: 	return 'LC_GRADING_criteria_'.$id;
1.122     albertel 2098:     }
1.151     albertel 2099:     sub end_Question { return &end_Dimension(@_); }
1.18      albertel 2100:     sub end_Dimension {
                   2101: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 2102: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 2103: 	my $dim=&get_id($parstack,$safeeval);
1.173     albertel 2104: 	if (&skip_dimension_parsing($dim)) {
                   2105: 	    &disable_dimension_parsing($dim);
                   2106: 	    pop(@Apache::bridgetask::dimension);
                   2107: 	    return;
                   2108: 	}
1.75      albertel 2109: 	my $instance=&get_instance($dim);
1.25      albertel 2110: 	my $version=&get_version();
1.18      albertel 2111: 	if ($target eq 'web') {
1.173     albertel 2112: 	    $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
1.76      albertel 2113: 	    my @instances = $instance;
                   2114: 	    if (&Apache::response::showallfoils()) {
1.169     albertel 2115: 		@instances = @{$dimension{$dim}{'instances'}};
1.76      albertel 2116: 	    }
1.160     albertel 2117: 	    my $shown_question_text;
1.76      albertel 2118: 	    foreach my $instance (@instances) {
1.173     albertel 2119: 		$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2120: 					 [@_]);
                   2121: 		$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2122: 					 [@_],{'set_dim_id' => undef});
1.169     albertel 2123: 		my $task_status = 
                   2124: 		    $Apache::lonhomework::history{"resource.$version.0.status"};
1.173     albertel 2125: 		if ($task_status ne 'pass' && $task_status ne 'fail') {
1.76      albertel 2126: 
1.173     albertel 2127: 		    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2128: 				    @{$dimension{$dim}{'criterias'}}) {
                   2129: 			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2130: 			&Apache::lonxml::debug("$id is $type");
                   2131: 			if ($type eq 'dimension') {
                   2132: 			    $result.=
                   2133: 				&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2134: 					      [@_],{'set_dim_id' => $id});
                   2135: 			}
                   2136: 		    }
                   2137: 		} else {
1.89      albertel 2138: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 2139: 		    my $mandatory='Mandatory';
                   2140: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   2141: 			$mandatory='Optional';
                   2142: 		    }
1.116     albertel 2143: 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
1.76      albertel 2144: 		    if ($dim_status eq 'pass') {
                   2145: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 2146: 		    }
1.76      albertel 2147: 		    if ($dim_status eq 'fail') {
                   2148: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 2149: 		    }
1.76      albertel 2150: 		    my $man_count=0;
                   2151: 		    my $man_passed=0;
                   2152: 		    my $opt_count=0;
                   2153: 		    my $opt_passed=0;
1.169     albertel 2154: 		    foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
                   2155: 				     @{$dimension{$dim}{'criterias'}} ) {
                   2156: 			my $status = &get_criteria('status',$version,$dim,$id);
                   2157: 			if ($dimension{$dim}{'criteria.'.$id.'.mandatory'} 
1.76      albertel 2158: 			    eq 'N') {
                   2159: 			    $opt_count++;
1.169     albertel 2160: 			    if ($status eq 'pass') { $opt_passed++; }
1.76      albertel 2161: 			} else {
                   2162: 			    $man_count++;
1.169     albertel 2163: 			    if ($status eq 'pass') { $man_passed++; }
1.76      albertel 2164: 			}
1.22      albertel 2165: 		    }
1.76      albertel 2166: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
1.151     albertel 2167: 
1.169     albertel 2168: 		    my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
1.151     albertel 2169: 		    if ($opt_req !~ /\S/) {
                   2170: 			$opt_req=
                   2171: 			    &Apache::lonxml::get_param('OptionalRequired',
                   2172: 						       $parstack,$safeeval);
                   2173: 			if ($opt_req !~ /\S/) { $opt_req = 0; }
                   2174: 		    }
1.76      albertel 2175: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   2176: 
                   2177: 		    my $internal_location=&internal_location($dim);
                   2178: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   2179: 
1.169     albertel 2180: 		    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2181: 				    @{$dimension{$dim}{'criterias'}}) {
                   2182: 			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
1.171     albertel 2183: 			if ($type eq 'dimension') {
                   2184: 			    $result.=$dimension{$id}{'result'};
                   2185: 			    next;
                   2186: 			}
1.169     albertel 2187: 			my $status= &get_criteria('status', $version,$dim,$id);
                   2188: 			my $comment=&get_criteria('comment',$version,$dim,$id);
                   2189: 			my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
1.76      albertel 2190: 			if ($mandatory) {
                   2191: 			    $mandatory='Mandatory';
                   2192: 			} else {
                   2193: 			    $mandatory='Optional';
                   2194: 			}
                   2195: 			if ($status eq 'fail') {
                   2196: 			} elsif ($status eq 'pass') {
                   2197: 			} else {
                   2198: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   2199: 			}
                   2200: 			my $status_display=$status;
                   2201: 			$status_display=~s/^([a-z])/uc($1)/e;
1.116     albertel 2202: 			$result.=
                   2203: 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
                   2204: 			    .$mandatory.' Criteria</h4><p>';
1.173     albertel 2205: 			$result.=
                   2206: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2207: 					  [@_],{'set_dim_id' => $id});
1.116     albertel 2208: 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
1.169     albertel 2209: 			if ($comment) {
                   2210: 			    $result.='<p class="LC_comment">'.
                   2211: 				&mt('Comment: [_1]',$comment).'</p>';
1.76      albertel 2212: 			}
                   2213: 			$result.='</div>';
1.22      albertel 2214: 		    }
                   2215: 		}
                   2216: 	    }
1.18      albertel 2217: 	} elsif ($target eq 'webgrade') {
1.47      albertel 2218: 	    # in case of any side effects that we need
1.173     albertel 2219: 	    &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2220: 	    &nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
                   2221: 	    $result.=
                   2222: 		&nested_parse(\$dimension{$dim}{'questiontext'},[@_],
                   2223: 			      {'set_dim_id'        => undef,
                   2224: 			       'delay_dim_results' => 1});
1.169     albertel 2225: 	    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2226: 			    @{$dimension{$dim}{'criterias'}} ) {
                   2227: 		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
1.171     albertel 2228: 		if ($type eq 'dimension') {
                   2229: 		    # dimensional 'criteria' don't get assigned grades
1.173     albertel 2230: 		    $result.=
                   2231: 			&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2232: 				      [@_],{'set_dim_id' => $id});
1.171     albertel 2233: 		    next;
                   2234: 		}
1.169     albertel 2235: 
1.151     albertel 2236: 		my $link=&link($id);
1.169     albertel 2237: 		my $status= &get_criteria('status',$version,$dim,$id);
1.120     albertel 2238: 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
1.136     albertel 2239: 		    '<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
1.173     albertel 2240: 		$result.=
                   2241: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},[@_]);
                   2242: 
1.111     albertel 2243: 		$result.='</div>'."\n".
1.120     albertel 2244: 		    '<div class="LC_GRADING_grade">'."\n".
                   2245: 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
                   2246: 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
                   2247: 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
                   2248: 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
1.111     albertel 2249: 		    '</div>'."\n".
1.120     albertel 2250: 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
1.169     albertel 2251: 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode(&get_criteria('comment',$version,$dim,$id),'<>"&').'</textarea>'."\n".
1.111     albertel 2252: 		    '</label>'."\n".
1.120     albertel 2253: 		    '<ul class="LC_GRADING_navbuttons">'."\n".
1.111     albertel 2254: 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
                   2255: 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
                   2256: 		    '</ul>'."\n".
                   2257:                     '</div>'."\n";
1.151     albertel 2258: 		$result.=&grading_history($version,$dim,$id);
1.18      albertel 2259: 		$last_link=$link;
                   2260: 	    }
1.173     albertel 2261: 	    if (&delay_result()) {
                   2262: 		&Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
                   2263: 		$dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
1.171     albertel 2264: 		undef($result);
                   2265: 	    }
1.22      albertel 2266: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 2267: 	    my $optional_passed=0;
1.20      albertel 2268: 	    my $mandatory_failed=0;
                   2269: 	    my $ungraded=0;
                   2270: 	    my $review=0;
1.153     albertel 2271: 
1.173     albertel 2272: 	    $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2273: 	    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2274: 				     [@_]);
                   2275: 	    $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2276: 				     [@_],{'set_dim_id' => undef});
1.160     albertel 2277: 
1.169     albertel 2278: 	    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2279: 			    @{$dimension{$dim}{'criterias'}}) {
1.151     albertel 2280: 		my $link=&link($id);
1.169     albertel 2281: 
                   2282: 		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2283: 		if ($type eq 'criteria') {
                   2284: 		    # dimensional 'criteria' don't get assigned grades
                   2285: 		    $Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
                   2286: 		    $Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
1.173     albertel 2287: 		} else {
                   2288: 		    $result .=
                   2289: 			&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2290: 				      [@_],{'set_dim_id' => $id});
1.169     albertel 2291: 		}
                   2292: 		my $status= &get_criteria('status',$version,$dim,$id);
                   2293: 
                   2294: 		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
1.20      albertel 2295: 		if ($status eq 'pass') {
                   2296: 		    if (!$mandatory) { $optional_passed++; }
                   2297: 		} elsif ($status eq 'fail') {
                   2298: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 2299: 		} elsif ($status eq 'review') {
                   2300: 		    $review++;
1.20      albertel 2301: 		} elsif ($status eq 'ungraded') {
                   2302: 		    $ungraded++;
1.21      albertel 2303: 		} else {
1.47      albertel 2304: 		    $ungraded++;
1.19      albertel 2305: 		}
                   2306: 	    }
1.151     albertel 2307: 	    # FIXME optional required can apply to only <instance> right now...
1.169     albertel 2308: 	    my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
1.151     albertel 2309: 	    if ($opt_req !~ /\S/) {
                   2310: 		$opt_req=
                   2311: 		    &Apache::lonxml::get_param('OptionalRequired',
                   2312: 					       $parstack,$safeeval);
                   2313: 		if ($opt_req !~ /\S/) { $opt_req = 0; }
                   2314: 	    }
                   2315: 	    if ($optional_passed < $opt_req) {
1.20      albertel 2316: 		$mandatory_failed++;
                   2317: 	    }
1.169     albertel 2318: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 2319: 	    if ($review) {
1.89      albertel 2320: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 2321: 		    'review';
1.20      albertel 2322: 	    } elsif ($ungraded) {
1.89      albertel 2323: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 2324: 		    'ungraded';
1.20      albertel 2325: 	    } elsif ($mandatory_failed) {
1.89      albertel 2326: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 2327: 		    'fail';
1.20      albertel 2328: 	    } else {
1.91      albertel 2329: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 2330: 		    'pass';
1.20      albertel 2331: 	    }
1.69      albertel 2332: 	} else {
                   2333: 	    # any other targets no output
                   2334: 	    undef($result);
1.13      albertel 2335: 	}
1.173     albertel 2336: 	&disable_dimension_parsing();
1.169     albertel 2337: 	pop(@Apache::bridgetask::dimension);
1.18      albertel 2338: 	return $result;
1.1       albertel 2339:     }
1.162     albertel 2340: 
                   2341:     sub end_Setup {
                   2342: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2343: 	my $result=&Apache::lonxml::endredirection();
                   2344: 	my $dim=&get_id($parstack,$safeeval);
                   2345: 	my $instance=&get_instance($dim);
                   2346: 	my $version=&get_version();
                   2347: 	if ($target eq 'web') {
                   2348: 	    @Apache::scripttag::parser_env = @_;
1.169     albertel 2349: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
1.162     albertel 2350: 	    my @instances = $instance;
                   2351: 	    if (&Apache::response::showallfoils()) {
1.169     albertel 2352: 		@instances = @{$dimension{$dim}{'instances'}};
1.162     albertel 2353: 	    }
                   2354: 	    foreach my $instance (@instances) {
                   2355: 		@Apache::scripttag::parser_env = @_;
1.169     albertel 2356: 		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
1.162     albertel 2357: 		@Apache::scripttag::parser_env = @_;
1.169     albertel 2358: 		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
1.162     albertel 2359: 	    }
                   2360: 	} elsif ($target eq 'webgrade' 
                   2361: 		 || $target eq 'grade' && $env{'form.webgrade'}) {
                   2362: 	    # in case of any side effects that we need
                   2363: 	    @Apache::scripttag::parser_env = @_;
1.169     albertel 2364: 	    &Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
1.162     albertel 2365: 	    @Apache::scripttag::parser_env = @_;
1.169     albertel 2366: 	    &Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
1.162     albertel 2367: 	    @Apache::scripttag::parser_env = @_;
1.169     albertel 2368: 	    &Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
1.162     albertel 2369: 	} else {
                   2370: 	    # any other targets no output
                   2371: 	    undef($result);
                   2372: 	}
1.169     albertel 2373: 	pop(@Apache::bridgetask::dimension);
1.162     albertel 2374: 	return $result;
                   2375:     }
1.1       albertel 2376: }
                   2377: 
1.113     albertel 2378: sub grading_history {
1.151     albertel 2379:     my ($version,$dim,$id) = @_;
1.113     albertel 2380:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   2381: 	return '';
                   2382:     }
                   2383:     my ($result,$grader);
1.151     albertel 2384:     my $scope="resource.$version.0.$dim.$id";
1.113     albertel 2385:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   2386: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   2387: 	    my ($gname,$gdom) = 
1.138     albertel 2388: 		split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
1.113     albertel 2389: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   2390: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   2391: 							 $gname,$gdom);
                   2392: 	}
                   2393: 	my $entry;
                   2394: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   2395: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   2396: 	}
                   2397: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   2398: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   2399: 	}
                   2400: 	if ($entry) {
                   2401: 	    $result.= "<li>$grader : $entry </li>";
                   2402: 	}
                   2403:     }
                   2404:     if ($result) {
1.120     albertel 2405: 	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
1.113     albertel 2406:     }
                   2407:     return '';
                   2408: }
                   2409: 
1.1       albertel 2410: sub start_IntroParagraph {
1.87      albertel 2411:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 2412:     my $result;
1.168     albertel 2413:     my $dim = &get_dim_id();
1.153     albertel 2414:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.151     albertel 2415: 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
1.169     albertel 2416: 	    $dimension{$dim}{'intro'}=
1.151     albertel 2417: 		&Apache::lonxml::get_all_text('/introparagraph',
                   2418: 					      $parser,$style);
                   2419:        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2420: 	    &Apache::lonxml::startredirection();
1.1       albertel 2421: 	}
1.47      albertel 2422: 	
1.1       albertel 2423:     }
                   2424:     return $result;
                   2425: }
                   2426: 
                   2427: sub end_IntroParagraph {
1.127     albertel 2428:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 2429:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2430: 	my $result = &Apache::lonxml::endredirection();
                   2431:     }
1.1       albertel 2432: }
                   2433: 
                   2434: sub start_Instance {
                   2435:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.168     albertel 2436:     my $dim = &get_dim_id();
                   2437:     my $id  = &get_id($parstack,$safeeval);
1.169     albertel 2438:     push(@{$dimension{$dim}{'instances'}},$id);
1.168     albertel 2439:     push(@{$Apache::bridgetask::instance{$dim}},$id);
1.19      albertel 2440:     push(@Apache::bridgetask::instancelist,$id);
1.169     albertel 2441:     $dimension{$dim}{$id.'.optionalrequired'}=
1.19      albertel 2442: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 2443:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   2444:     if (lc($disabled) eq 'yes') {
1.169     albertel 2445: 	$dimension{$dim}{$id.'.disabled'}='1';
1.75      albertel 2446:     }
1.1       albertel 2447:     return '';
                   2448: }
                   2449: 
                   2450: sub end_Instance {
                   2451: }
                   2452: 
                   2453: sub start_InstanceText {
1.87      albertel 2454:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2455:     my $dim = &get_dim_id();
                   2456:     my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.87      albertel 2457:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.153     albertel 2458:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.169     albertel 2459: 	$dimension{$dim}{$instance_id.'.text'}=$text;
1.1       albertel 2460:     }
                   2461:     return '';
                   2462: }
                   2463: 
                   2464: sub end_InstanceText {
                   2465:     return '';
                   2466: }
                   2467: 
                   2468: sub start_Criteria {
1.87      albertel 2469:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2470:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 2471:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.168     albertel 2472: 	my $dim = &get_dim_id();
1.19      albertel 2473: 	my $id=&get_id($parstack,$safeeval);
1.169     albertel 2474: 	&Apache::lonxml::debug("Criteria $id with $dim");
1.151     albertel 2475: 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
1.168     albertel 2476: 	    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.169     albertel 2477: 	    $dimension{$dim}{"criteria.$instance_id.$id"}=$criteria;
                   2478: 	    $dimension{$dim}{"criteria.$instance_id.$id.type"}='criteria';
                   2479: 	    $dimension{$dim}{"criteria.$instance_id.$id.mandatory"}=
1.151     albertel 2480: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 2481: 	    push(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
1.151     albertel 2482: 	} else {
1.169     albertel 2483: 	    $dimension{$dim}{'criteria.'.$id}=$criteria;
                   2484: 	    $dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
                   2485: 	    $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
1.151     albertel 2486: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 2487: 	    push(@{$dimension{$dim}{'criterias'}},$id);
1.151     albertel 2488: 	}
1.1       albertel 2489:     }
                   2490:     return '';
                   2491: }
                   2492: 
1.47      albertel 2493: sub end_Criteria {
                   2494: }
                   2495: 
1.4       albertel 2496: sub proctor_validation_screen {
                   2497:     my ($slot) = @_;
                   2498:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 2499:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 2500:     my $name=&Apache::loncommon::plainname($user,$domain);
                   2501:     
1.4       albertel 2502:     my $msg;
1.11      albertel 2503:     if ($env{'form.proctorpassword'}) {
1.4       albertel 2504: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   2505: 	    .'</font></p>';
                   2506:     }
1.47      albertel 2507:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 2508:     my $result= (<<ENDCHECKOUT);
                   2509: <h2>Proctor Validation</h2>
                   2510:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   2511:     $msg
1.115     albertel 2512: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 2513: <input type="hidden" name="validate" value="yes" />
                   2514: <input type="hidden" name="submitted" value="yes" />
                   2515: <table>
1.44      albertel 2516:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 2517:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 2518:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 2519: </table>
                   2520: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 2521: <table border="1">
                   2522:   <tr><td>
                   2523:     <table>
                   2524:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   2525:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 2526:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.138     albertel 2527:       <tr><td>Usename</td><td>$user:$domain</td></tr>
1.44      albertel 2528:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   2529:     </table>
                   2530:   </tr></td>
                   2531: </table>
1.4       albertel 2532: </form>
                   2533: ENDCHECKOUT
                   2534:     return $result;
                   2535: }
                   2536: 
1.1       albertel 2537: 1;
                   2538: __END__

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