Annotation of loncom/homework/bridgetask.pm, revision 1.230

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.230   ! albertel    4: # $Id: bridgetask.pm,v 1.229 2007/03/26 22:37:42 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 LONCAPA;
                     42:  
1.9       albertel   43: 
1.1       albertel   44: BEGIN {
1.225     albertel   45:     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','CriteriaText','GraderNote','ClosingParagraph'));
1.1       albertel   46: }
                     47: 
1.169     albertel   48: my %dimension;
1.194     albertel   49: my $top = 'top';
                     50: 
1.9       albertel   51: sub initialize_bridgetask {
                     52:     # id of current Dimension, 0 means that no dimension is current 
                     53:     # (inside <Task> only)
1.178     albertel   54:     @Apache::bridgetask::dimension=();
1.9       albertel   55:     # list of all current Instance ids
1.168     albertel   56:     %Apache::bridgetask::instance=();
1.9       albertel   57:     # list of all Instance ids seen in this problem
                     58:     @Apache::bridgetask::instancelist=();
1.15      albertel   59:     # key of queud user data that we are currently grading
                     60:     $Apache::bridgetask::queue_key='';
1.169     albertel   61:     undef(%dimension);
1.9       albertel   62: }
                     63: 
1.4       albertel   64: sub proctor_check_auth {
1.81      albertel   65:     my ($slot_name,$slot,$type)=@_;
1.11      albertel   66:     my $user=$env{'form.proctorname'};
                     67:     my $domain=$env{'form.proctordomain'};
1.4       albertel   68:     
                     69:     my @allowed=split(",",$slot->{'proctor'});
                     70:     foreach my $possible (@allowed) {
1.138     albertel   71: 	my ($puser,$pdom)=(split(':',$possible));
1.4       albertel   72: 	if ($puser eq $user && $pdom eq $domain) {
1.72      albertel   73: 	    my $authenticated=0;
                     74: 	    if ( $slot->{'secret'} =~ /\S/ &&
                     75: 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
                     76: 		$authenticated=1;
                     77: 	    } else {
                     78: 		
                     79: 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
                     80: 		if ($authhost ne 'no_host') {
                     81: 		    $authenticated=1;
                     82: 		}
                     83: 	    }
1.150     albertel   84: 	    if ($authenticated) {
1.176     albertel   85: 		&check_in($type,$user,$domain,$slot_name);
1.4       albertel   86: 		return 1;
                     87: 	    }
                     88: 	}
                     89:     }
                     90:     return 0;
                     91: }
                     92: 
1.174     albertel   93: sub check_in {
                     94:     my ($type,$user,$domain,$slot_name) = @_;
                     95:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                     96:     if ( $useslots eq 'map_map') {
                     97: 	&check_in_sequence($user,$domain,$slot_name);
                     98:     } else {
                     99: 	&create_new_version($type,$user,$domain,$slot_name);
1.217     albertel  100: 	&Apache::structuretags::finalize_storage();
1.174     albertel  101:     }
                    102:     return 1;
                    103: }
                    104: 
                    105: sub check_in_sequence {
                    106:     my ($user,$domain,$slot_name) = @_;
                    107:     my $navmap = Apache::lonnavmaps::navmap->new();
1.185     albertel  108:     my ($symb) = &Apache::lonnet::whichuser();
1.174     albertel  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";
1.178     albertel  147: 	if (!defined($user) || !defined($domain)) {
1.174     albertel  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 $slot_name");
1.174     albertel  154:     }
1.181     albertel  155:     if (!defined($user) || !defined($domain)) {
                    156: 	$user = $env{'user.name'};
                    157: 	$domain = $env{'user.domain'};
                    158:     }
                    159: 
                    160:     $Apache::lonhomework::results{"resource.$id.checkedin"}=
                    161: 	$user.':'.$domain;
1.174     albertel  162: 
                    163:     if (defined($slot_name)) {
                    164: 	$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
                    165: 	    $slot_name;
1.150     albertel  166:     }
                    167: }
                    168: 
1.25      albertel  169: sub get_version {
1.29      albertel  170:     my ($version,$previous);
1.25      albertel  171:     if ($env{'form.previousversion'} && 
1.36      albertel  172: 	$env{'form.previousversion'} ne 'current' &&
1.89      albertel  173: 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
1.29      albertel  174: 	$version=$env{'form.previousversion'};
                    175: 	$previous=1;
                    176:     } else {
1.150     albertel  177: 	if (defined($Apache::lonhomework::results{'resource.0.version'})) {
                    178: 	    $version=$Apache::lonhomework::results{'resource.0.version'};
                    179: 	} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
                    180: 	    $version=$Apache::lonhomework::history{'resource.0.version'};
                    181: 	}
1.29      albertel  182: 	$previous=0;
                    183:     }
                    184:     if (wantarray) {
                    185: 	return ($version,$previous);
1.25      albertel  186:     }
1.29      albertel  187:     return $version;
1.25      albertel  188: }
                    189: 
1.8       albertel  190: sub add_previous_version_button {
1.25      albertel  191:     my ($status)=@_;
1.8       albertel  192:     my $result;
1.89      albertel  193:     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
1.25      albertel  194: 	return '';
                    195:     }
1.89      albertel  196:     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
1.29      albertel  197: 	$status ne 'NEEDS_CHECKIN') {
1.25      albertel  198: 	return '';
                    199:     }
1.29      albertel  200:     my $version=&get_version();
                    201:     if ($env{'form.previousversion'} ne '' &&
                    202: 	$env{'form.previousversion'} eq $version) {
                    203: 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
                    204: 	    "</h3>\n";
                    205:     }
                    206:     my @to_show;
1.89      albertel  207:     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
                    208: 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
1.29      albertel  209: 	    push(@to_show,$test_version);
                    210: 	}
                    211:     }
                    212:     my $list='<option>'.
                    213: 	join("</option>\n<option>",@to_show).
                    214: 	     "</option>\n";
1.36      albertel  215:     $list.='<option value="current">'.&mt('Current').'</option>';
1.115     albertel  216:     $result.='<form name="getprevious" method="post" action="';
1.29      albertel  217:     my $uri=$env{'request.uri'};
                    218:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    219:     $result.=$uri.'">'.
                    220: 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
                    221: <option>'.&mt('Pick one').'</option>
                    222: '.$list.'
                    223: </select>')."</form>";
1.8       albertel  224:     return $result;
                    225: }
                    226: 
1.13      albertel  227: sub add_grading_button {
1.185     albertel  228:     my (undef,$cid)=&Apache::lonnet::whichuser();
1.59      albertel  229:     my $cnum=$env{'course.'.$cid.'.num'};
                    230:     my $cdom=$env{'course.'.$cid.'.domain'};
1.144     albertel  231:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
                    232: 
1.59      albertel  233:     my $size=5;
                    234:     if (scalar(keys(%sections)) < 3) {
                    235: 	$size=scalar(keys(%sections))+2;
                    236:     }
1.200     albertel  237:     my $sec_select = "\n".'<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
                    238:     $sec_select .= "\t<option value='all' selected='selected'>all</option>\n";
1.59      albertel  239:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
1.200     albertel  240: 	$sec_select .= "\t<option value=\"$sec\">$sec</option>\n";
1.59      albertel  241:     }
1.200     albertel  242:     $sec_select .= "\t<option value='none'>none</option>\n</select>\n";
1.59      albertel  243:     
1.200     albertel  244:     my $result="\n\t".'<input type="submit" name="gradeasubmission" value="'.
1.13      albertel  245: 	&mt("Get a submission to grade").'" />';
1.200     albertel  246:     $result.="\n\t".'<input type="hidden" name="grade_target" value="webgrade" />';
1.40      albertel  247:     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.34      albertel  248: 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
1.200     albertel  249: 	$result.="\n\t".'<table>'."\n\t\t".'<tr>';
                    250: 	$result.="\n\t\t\t".'<td rowspan="4">Specify a section: </td>'.
                    251: 	    "\n\t\t\t".'<td rowspan="4">'.$sec_select."\n\t\t\t".'</td>';
                    252: 	$result.="\n\t\t\t".'<td>'.'<input type="submit" name="reviewagrading" value="'.
1.106     albertel  253: 	    &mt("Select an entry from the grading queue:").'" /> ';
1.34      albertel  254: 
1.200     albertel  255: 	$result.= "\n\t\t\t\t".&mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
1.34      albertel  256: 
                    257: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
1.200     albertel  258: 	$result.="\n\t\t".'<tr>'.
                    259: 	    "\n\t\t\t".'<td>'.
                    260: 	    "\n\t\t\t\t".'<input type="submit" name="reviewasubmission" value="'.
1.106     albertel  261: 	    &mt("Select an entry from the review queue:").'" /> ';
                    262: 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
1.200     albertel  263: 		     $entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
                    264: 	$result.="\n\t\t".'<tr>'.
                    265: 	    "\n\t\t\t".'<td>'.
                    266: 	    "\n\t\t\t\t".'<input type="submit" name="regradeasubmission" value="'.
                    267: 	    &mt("List of user's grade status").'" /> </td>'
                    268: 	    ."\n\t\t".'</tr>'
                    269: 	    ."\n\t".'</table>'."\n";
                    270: 	$result.="\n\t".'<p>'.
                    271: 	    "\n\t\t".'<input type="submit" name="regradeaspecificsubmission" value="'.
                    272: 	    &mt("Regrade specific user:").'" />';
                    273: 	$result.= "\n\t\t".'<input type="text" size="12" name="gradinguser" />';
1.105     albertel  274: 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
                    275: 						     'gradingdomain');
                    276: 	$result.=' '.
                    277: 	    &Apache::loncommon::selectstudent_link('gradesubmission',
                    278: 						   'gradinguser',
                    279: 						   'gradingdomain');
                    280: 	$result.=&Apache::loncommon::studentbrowser_javascript();
1.200     albertel  281: 	$result.= '</p>'."\n";
1.144     albertel  282:     }
1.13      albertel  283:     return $result;
                    284: }
                    285: 
1.22      albertel  286: sub add_request_another_attempt_button {
1.38      albertel  287:     my ($text)=@_;
                    288:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  289:     my $result;
1.36      albertel  290:     my $symb=&Apache::lonnet::symbread();
1.149     albertel  291:     # not a slot access based resource
                    292:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
                    293:     if ($useslots =~ /^\s*no\s*$/i) {
                    294: 	return '';
                    295:     }
                    296: 
1.37      albertel  297:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  298:     my $action='get_reservation';
1.37      albertel  299:     if ($slot_name) {
1.38      albertel  300: 	$text="Change reservation.";
                    301: 	$action='change_reservation';
1.37      albertel  302: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    303: 							      $slot);
                    304: 	$result.=(<<STUFF);
1.200     albertel  305:     <p> Will be next available: $description </p>
1.37      albertel  306: STUFF
                    307:     }
1.38      albertel  308:     
                    309:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
1.158     www       310:     $symb=&escape($symb);
1.200     albertel  311:     $result.=
                    312:         "\n\t".'<form method="post" action="/adm/slotrequest">'."\n\t\t".
                    313: 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n\t\t".
                    314: 	'<input type="hidden" name="command" value="'.$action.'" />'."\n\t\t".
1.38      albertel  315: 	'<input type="submit" name="requestattempt" value="'.
1.200     albertel  316: 	&mt($text).'" />'."\n\t".
                    317: 	'</form>'."\n";
1.25      albertel  318:     return $result;
1.22      albertel  319: }
                    320: 
1.30      albertel  321: sub preserve_grade_info {
                    322:     my $result;
                    323:     # if we are viewing someone else preserve that info
                    324:     if (defined $env{'form.grade_symb'}) {
                    325: 	foreach my $field ('symb','courseid','domain','username') {
                    326: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    327: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    328: 	}
                    329:     }
                    330:     return $result;
                    331: }
                    332: 
1.53      albertel  333: sub style {
1.125     albertel  334:     my ($target) = @_;
                    335:     if ($target eq 'web'
                    336: 	|| $target eq 'webgrade') {
1.192     albertel  337: 	my $style = (<<STYLE);
1.126     albertel  338: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
1.53      albertel  339: STYLE
1.192     albertel  340:         if ($env{'browser.type'} eq 'explorer'
                    341: 	    && $env{'browser.os'} eq 'win' ) {
                    342: 	    if ($env{'browser.version'} < 7) {
                    343: 		$style .= (<<STYLE);
                    344: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie.css" />
                    345: STYLE
                    346:             } else {
                    347: 		$style .= (<<STYLE);
                    348: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie7.css" />
                    349: STYLE
                    350: 	    }
                    351: 	}
1.193     albertel  352: 	return $style;
1.125     albertel  353:     }
                    354:     return;
1.53      albertel  355: }
                    356: 
1.54      albertel  357: sub show_task {
                    358:     my ($status,$previous)=@_;
                    359:     if (!$previous && (
                    360: 		       ( $status eq 'CLOSED' ) ||
                    361: 		       ( $status eq 'BANNED') ||
                    362: 		       ( $status eq 'UNAVAILABLE') ||
                    363: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    364: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    365: 		       ( $status eq 'WAITING_FOR_GRADE') ||
1.150     albertel  366: 		       ( $status eq 'INVALID_ACCESS') ||
                    367: 		       ( &get_version() eq ''))) {
1.54      albertel  368: 	return 0;
                    369:     }
1.64      albertel  370:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  371:     return 1;
                    372: }
                    373: 
1.173     albertel  374: my @delay;
                    375: sub nest { 
                    376:     if (@delay) {
                    377: 	return $delay[-1];
                    378:     } else {
                    379: 	return;
                    380:     }
                    381: }
                    382: 
1.208     albertel  383: sub start_delay {
                    384:     push(@delay,1);
                    385: }
                    386: sub end_delay {
                    387:     pop(@delay);
                    388: }
                    389: 
1.173     albertel  390: sub nested_parse {
                    391:     my ($str,$env,$args) = @_;
                    392:     my @old_env = @Apache::scripttag::parser_env;
                    393:     @Apache::scripttag::parser_env = @$env;
                    394:     if (exists($args->{'set_dim_id'})) {
                    395: 	&enable_dimension_parsing($args->{'set_dim_id'});
                    396:     }
                    397:     push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
                    398:     my $result = &Apache::scripttag::xmlparse($$str);
                    399:     pop(@delay);
                    400:     if (exists($args->{'set_dim_id'})) {
                    401: 	&disable_dimension_parsing();
                    402:     }
                    403:     @Apache::scripttag::parser_env = @old_env;
                    404:     if ($args->{'delayed_dim_results'}) {
                    405: 	my $dim = &get_dim_id();
1.180     albertel  406: 	&Apache::lonxml::debug(" tossing out $result ");
                    407: 	&Apache::lonxml::debug(" usining out $dim 's  ". $dimension{$dim}{'result'});
1.173     albertel  408: 	return $dimension{$dim}{'result'};
                    409:     }
                    410:     return $result;
                    411: }
                    412: 
1.54      albertel  413: sub internal_location {
                    414:     my ($id)=@_;
                    415:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    416: }
                    417: 
1.60      albertel  418: sub submission_time_stamp {
1.185     albertel  419:     my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.60      albertel  420:     my $submissiontime;
1.89      albertel  421:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  422:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
1.183     albertel  423: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
                    424: 	    && defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
1.60      albertel  425: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
1.182     albertel  426: 	    last;
1.60      albertel  427: 	}
                    428:     }
                    429:     my $result;
                    430:     if ($submissiontime) {
1.89      albertel  431: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  432: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    433: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  434: 	my ($color,$when)=('#FF6666','after');
                    435: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  436: 	my $info;
1.182     albertel  437: 	$diff = abs($diff);
1.60      albertel  438: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    439: 	$diff=int($diff/60);
                    440: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    441: 	$diff=int($diff/60);
                    442: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    443: 	$result='<p><font color="'.$color.'">'.
1.182     albertel  444: 	    &mt('Student submitted [_1] [_2] the deadline. '.
                    445: 		'(Submission was at [_3], end of period was [_4].)',
                    446: 		$info,$when,
                    447: 		&Apache::lonlocal::locallocaltime($submissiontime),
                    448: 		&Apache::lonlocal::locallocaltime($slot{'endtime'})).
1.60      albertel  449: 		'</font></p>';
                    450:     }
                    451:     return $result;
                    452: }
                    453: 
1.119     albertel  454: sub file_list {
                    455:     my ($files,$uname,$udom) = @_;
                    456:     if (!defined($uname) || !defined($udom)) {
1.185     albertel  457: 	(undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
1.119     albertel  458:     }
1.70      albertel  459:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.119     albertel  460: 
1.120     albertel  461:     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
1.119     albertel  462:     foreach my $partial_file (split(',',$files)) {
1.70      albertel  463: 	my $file=$file_url.$partial_file;
                    464: 	$file=~s|/+|/|g;
                    465: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.161     albertel  466: 	$file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
                    467: 	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
                    468: 	    '</a></span></li>'."\n";
1.70      albertel  469:     }
                    470:     $file_list.="</ul>\n";
1.119     albertel  471:     return $file_list;
                    472: }
                    473: 
1.163     albertel  474: sub grade_mode {
                    475:     if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
                    476: 	return 'regrade';
                    477:     }
                    478:     return 'queue_grade';
                    479: }
                    480: 
1.119     albertel  481: sub webgrade_standard_info {
                    482:     my ($version)=&get_version();
                    483: 
                    484:     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
1.70      albertel  485: 
1.163     albertel  486:     my %lt=('done'   => 'Next Item',
                    487: 	    'stop'   => 'Quit Grading',
                    488: 	    'fail'   => 'Fail Rest',
                    489: 	    'cancel' => 'Cancel',
                    490: 	    );
1.170     albertel  491:     %lt=&Apache::lonlocal::texthash(%lt);
1.163     albertel  492: 
1.70      albertel  493:     my $result=<<INFO;
1.120     albertel  494:   <div class="LC_GRADING_maincontrols">
1.163     albertel  495: INFO
                    496: 
                    497:     if (&grade_mode() eq 'regrade') {
                    498: 	$result.=<<INFO;
                    499:     <input type="submit" name="cancel" value="$lt{'cancel'}" />
                    500: INFO
                    501:     }
                    502: 
                    503:     $result.=<<INFO;
1.111     albertel  504:     <input type="submit" name="next" value="$lt{'done'}" />
                    505:     <input type="submit" name="stop" value="$lt{'stop'}" />
1.143     albertel  506:     <input type="button" name="fail" value="$lt{'fail'}" 
                    507:            onclick="javascript:onFailRest()" />
1.111     albertel  508:   </div>
1.70      albertel  509:   $file_list
                    510: INFO
                    511:     return $result;
                    512: }
                    513: 
1.166     albertel  514: sub done_screen {
                    515:     my ($version) = @_;
                    516:     my $title=&Apache::lonnet::gettitle();
                    517:     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
1.185     albertel  518:     my (undef,undef,$domain,$user)= &Apache::lonnet::whichuser();
1.166     albertel  519:     my $files = '<ul>';
1.167     albertel  520:     my $msg;
1.166     albertel  521:     foreach my $file (@files) {
                    522: 	my $url="/uploaded/$domain/$user/portfolio$file";
                    523: 	if (! &Apache::lonnet::stat_file($url)) {
                    524: 	    $file = &mt('<span class="LC_error"> Nonexistent file:</span> '.
                    525: 			'<span class="LC_filename">[_1]</span>',$file);
1.167     albertel  526: 	    $msg .= "<p>Submitted non-existant file $file</p>\n";
1.166     albertel  527: 	} else {
                    528: 	    $file = '<span class="LC_filename">'.$file.'</span>';
1.167     albertel  529: 	    $msg .= "<p>Submitted file $file</p>\n";
1.166     albertel  530: 	}
                    531: 	$files .= '<li>'.$file.'</li>';
                    532:     }
                    533:     $files.='</ul>';
1.167     albertel  534:     my $subject = "Submission message for $title";
                    535:     my ($message_status,$comment_status);
                    536:     my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
                    537:     $setting =~ s/^\s*(\S*)\s*$/$1/;
                    538:     $setting = lc($setting);
                    539:     if ($setting eq 'only_student'
                    540: 	|| $setting eq 'student_and_user_notes_screen') {
                    541: 	$message_status =
                    542: 	    &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
                    543: 	$message_status = '<p>'.&mt('Message sent to user: [_1]',
                    544: 				    $message_status).' </p>';
                    545:     }
                    546:     if ($setting eq 'student_and_user_notes_screen') {
                    547: 	$comment_status = 
                    548: 	    &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
                    549: 						      $msg,$user,$domain);
                    550: 	$comment_status = '<p>'.&mt('Message sent to instructor: [_1]',
                    551: 				    $comment_status).' </p>';
                    552:     }
1.166     albertel  553:     return <<DONESCREEN;
                    554: <h2>$title</h2>
                    555: <p> Files submitted: $files </p>
                    556: <p> You are now done with this Bridge Task </p>
                    557: <hr />
                    558: <p> <a href="/adm/logout">Logout</a> </p>
                    559: <p> <a href="/adm/roles">Change to a different course</a> </p>
1.167     albertel  560: $message_status
                    561: $comment_status
1.166     albertel  562: DONESCREEN
                    563: 
                    564: }
                    565: 
1.1       albertel  566: sub start_Task {
1.87      albertel  567:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  568: 
1.4       albertel  569:     my ($status,$accessmsg,$slot);
1.179     albertel  570:     &Apache::structuretags::init_problem_globals('Task');
1.16      albertel  571:     if ($target ne 'webgrade') {
                    572: 	&Apache::structuretags::initialize_storage();
                    573: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  574: 	if ($env{'request.state'} eq 'construct') {
                    575: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    576: 	}
1.16      albertel  577:     } 
                    578: 
1.4       albertel  579:     $Apache::lonhomework::parsing_a_task=1;
1.141     albertel  580: 
                    581:     my $name;
                    582:     if ($target eq 'web' || $target eq 'webgrade') {
                    583: 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    584:     }
                    585: 
1.145     albertel  586:     my ($result,$form_tag_start);
                    587:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
                    588: 	|| $target eq 'edit') {
                    589: 	($result,$form_tag_start) =
                    590: 	    &Apache::structuretags::page_start($target,$token,$tagstack,
                    591: 					       $parstack,$parser,$safeeval,
1.146     albertel  592: 					       $name,&style($target));
1.145     albertel  593:     }
1.123     albertel  594: 
1.74      albertel  595:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.147     albertel  596: 	if ($Apache::lonhomework::queuegrade
                    597: 	    || $Apache::lonhomework::modifygrades) {
1.141     albertel  598: 	    $result.='<form name="gradesubmission" method="post" action="';
1.13      albertel  599: 	    my $uri=$env{'request.uri'};
                    600: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.200     albertel  601: 	    $result.=$uri.'">'.&add_grading_button()."</form>\n";
1.38      albertel  602: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  603: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.141     albertel  604: 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  605: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    606: 		    '<input type="hidden" name="command" value="showslots" />'.
                    607: 		    '<input type="submit" name="requestattempt" value="'.
                    608: 		    &mt('Show Slot list').'" />'.
                    609: 		    '</form>';
1.108     albertel  610: 		my $target_id = 
                    611: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    612: 							     part => '0'});
1.141     albertel  613: 		$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  614: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    615: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    616: 		    '<input type="submit" name="grading" value="'.
                    617: 		    &mt('Show Grading Status').'" />'.
                    618: 		    '</form>';
1.40      albertel  619: 	    }
1.13      albertel  620: 	}
1.8       albertel  621:     }
1.74      albertel  622:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    623: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    624:     }
1.163     albertel  625:     if ($target eq 'web' 
                    626: 	|| ($target eq 'grade' && !$env{'form.webgrade'}) 
                    627: 	|| $target eq 'answer' 
                    628: 	|| $target eq 'tex') {
1.29      albertel  629: 	my ($version,$previous)=&get_version();
1.14      albertel  630: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  631: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.152     albertel  632: 	if ($status eq 'CAN_ANSWER' && $version eq '') {
1.177     albertel  633: 	    # CAN_ANSWER mode, and no current version, unproctored access
1.174     albertel  634: 	    # thus self-checkedin
1.177     albertel  635: 	    &check_in('Task',undef,undef,$slot_name);
1.152     albertel  636: 	    &add_to_queue('gradingqueue',{'type' => 'Task',
                    637: 					  'time' => time,
                    638: 					  'slot' => $slot_name});
1.150     albertel  639: 	    ($version,$previous)=&get_version();
                    640: 	}
1.218     albertel  641: 	
                    642: 	my $status_id = 
                    643: 	    ($previous || $status eq 'SHOW_ANSWER') ? 'LC_task_feedback'
                    644: 	                                            : 'LC_task_take';
                    645: 	$result .= '<div class="LC_task" id="'.$status_id.'">'."\n";
1.150     albertel  646: 
1.9       albertel  647: 	push(@Apache::inputtags::status,$status);
1.14      albertel  648: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  649: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  650: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  651: 	&Apache::run::run($expression,$safeeval);
                    652: 	&Apache::lonxml::debug("Got $status");
1.141     albertel  653: 	$result.=&add_previous_version_button($status);
1.54      albertel  654: 	if (!&show_task($status,$previous)) {
1.87      albertel  655: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  656: 	    if ( $target eq "web" ) {
1.74      albertel  657: 		if ($env{'request.state'} eq 'construct') {
                    658: 		    $result.=$form_tag_start;
                    659: 		}
1.4       albertel  660: 		my $msg;
1.1       albertel  661: 		if ($status eq 'UNAVAILABLE') {
                    662: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  663: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    664: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  665: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  666: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    667: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    668: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  669: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    670: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  671: 		} elsif ($env{'form.donescreen'}) {
1.167     albertel  672: 		    $result .= &done_screen($version);
1.1       albertel  673: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    674: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    675: 		}
                    676: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    677: 		    $msg.='The problem '.$accessmsg;
                    678: 		}
                    679: 		$result.=$msg.'<br />';
                    680: 	    } elsif ($target eq 'tex') {
                    681: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    682: 		if ($status eq 'UNAVAILABLE') {
                    683: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    684: 		} else {
                    685: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    686: 		}
1.22      albertel  687: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  688: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  689: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    690: 		       && defined($Apache::inputtags::slot_name)) {
1.148     albertel  691: 			my $result=
                    692: 			    &add_to_queue('gradingqueue',
1.152     albertel  693: 					  {'type' => 'Task',
1.148     albertel  694: 					   'time' => time,
                    695: 					   'slot' => 
                    696: 					       $Apache::inputtags::slot_name});
1.77      albertel  697: 			&Apache::lonxml::debug("add_to_queue said $result");
                    698: 		    }
1.4       albertel  699: 		}
1.1       albertel  700: 	    }
                    701: 	} elsif ($target eq 'web') {
1.141     albertel  702: 
1.57      albertel  703: 	    $result.=&preserve_grade_info();
1.194     albertel  704: 	    $result.=&internal_location(); 
1.200     albertel  705: 	    $result.=$form_tag_start."\t".
1.36      albertel  706: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  707: 	    &Apache::lonxml::startredirection();
1.1       albertel  708: 	}
1.21      albertel  709:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    710: 	      $target eq 'webgrade') {
1.32      albertel  711: 	my $webgrade='yes';
1.21      albertel  712: 	if ($target eq 'webgrade') {
1.218     albertel  713: 	    $result .= '<div class="LC_task">'."\n";
1.141     albertel  714: 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
1.124     albertel  715: 		'<script type="text/javascript" 
1.126     albertel  716:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  717: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    718: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  719: 	}
1.194     albertel  720: 
1.105     albertel  721: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  722: 
                    723: 	if ($todo) {
                    724: 	    &setup_env_for_other_user($todo,$safeeval);
                    725: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    726: 	    $result.="\n".'<table><tr><td>Found '.
                    727: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    728: 	    $form_tag_start.=
                    729: 		'<input type="hidden" name="gradingkey" value="'.
1.158     www       730: 		&escape($todo).'" />';
1.33      albertel  731: 	    $Apache::bridgetask::queue_key=$todo;
                    732: 	    &Apache::structuretags::initialize_storage();
                    733: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  734: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    735: 		$form_tag_start.=
                    736: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  737: 	    }
1.15      albertel  738: 	} else {
1.33      albertel  739: 	    if ($target eq 'webgrade') {
                    740: 		$result.="\n";
1.81      albertel  741: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    742: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  743: 		if      ($status_code eq 'stop') {
1.81      albertel  744: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.163     albertel  745: 		} elsif ($status_code eq 'cancel') {
                    746: 		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
1.164     albertel  747: 		} elsif ($status_code eq 'never_versioned') {
                    748: 		    $result.='<b>'.
                    749: 			&mt("Requested user has never accessed the task.").
                    750: 			'</b>'.$back;
1.165     albertel  751: 		} elsif ($status_code =~ /still_open:(.*)/) {
                    752: 		    my $date = &Apache::lonlocal::locallocaltime($1);
                    753: 		    $result.='<b>'.
                    754: 			&mt("Task is still open, will close at [_1].",$date).
                    755: 			'</b>'.$back;
1.33      albertel  756: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  757: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  758: 			.'</b>'.$back;
1.33      albertel  759: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  760: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    761: 			.'</b>'.$back;
1.33      albertel  762: 		    $result.=&show_queue($env{'form.queue'},1);
                    763: 		} elsif ($status_code eq 'show_list') {
                    764: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  765: 		} elsif ($status_code eq 'select_user') {
                    766: 		    $result.=&select_user();
1.95      albertel  767: 		} elsif ($status_code eq 'unable') {
                    768: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  769: 		} elsif ($status_code eq 'not_allowed') {
                    770: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  771: 		} else {
1.81      albertel  772: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  773: 		}
1.21      albertel  774: 	    }
1.33      albertel  775: 	    $webgrade='no';
1.163     albertel  776: 	}
                    777: 	if (!$todo || $env{'form.cancel'}) {
1.87      albertel  778: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  779: 	}
                    780: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  781: 	    if ($webgrade eq 'yes') {
                    782: 		$result.=&submission_time_stamp();
                    783: 	    }
1.32      albertel  784: 	    $result.=$form_tag_start;
                    785: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    786: 		$webgrade.'" />';
                    787: 	    $result.='<input type="hidden" name="queue" value="'.
                    788: 		$env{'form.queue'}.'" />';
1.52      albertel  789: 	    if ($env{'form.regrade'}) {
                    790: 		$result.='<input type="hidden" name="regrade" value="'.
                    791: 		    $env{'form.regrade'}.'" />';
                    792: 	    }
1.62      albertel  793: 	    if ($env{'form.chosensections'}) {
                    794: 		my @chosen_sections=
                    795: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    796: 		foreach my $sec (@chosen_sections) {
                    797: 		    $result.='<input type="hidden" name="chosensections" 
                    798:                                value="'.$sec.'" />';
                    799: 		}
                    800: 	    }
1.70      albertel  801: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  802: 	}
1.110     albertel  803: 	if ($target eq 'webgrade') {
1.120     albertel  804: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.194     albertel  805: 	    &Apache::lonxml::startredirection();
1.208     albertel  806: 	    &start_delay();
                    807: 	    $dimension{$top}{'result'}=$result;
                    808: 	    undef($result);
1.110     albertel  809: 	}
1.74      albertel  810:     } elsif ($target eq 'edit') {
1.141     albertel  811: 	$result.=$form_tag_start.
1.74      albertel  812: 	    &Apache::structuretags::problem_edit_header();
                    813: 	$Apache::lonxml::warnings_error_header=
                    814: 	    &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 />";
1.225     albertel  815: 	$result.= &Apache::edit::text_arg('Required number of passed optional elements to pass the Task:','OptionalRequired',$token,10)." <br />\n";
                    816: 	$result.= &Apache::edit::insertlist($target,$token);
                    817:     } elsif ($target eq 'modified') {
                    818: 	my $constructtag=
                    819: 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
                    820: 					'OptionalRequired');
                    821: 	if ($constructtag) {
                    822: 	    $result = &Apache::edit::rebuild_tag($token);
                    823: 	}
1.1       albertel  824:     } else {
                    825: 	# page_start returned a starting result, delete it if we don't need it
                    826: 	$result = '';
                    827:     }
                    828:     return $result;
                    829: }
                    830: 
1.165     albertel  831: sub get_task_end_time {
                    832:     my ($queue_entry,$symb,$udom,$uname) = @_;
                    833: 
                    834:     my $end_time;
                    835:     if (my $slot = &slotted_access($queue_entry)) {
                    836: 	my %slot_data=&Apache::lonnet::get_slot($slot);
                    837: 	$end_time = $slot_data{'endtime'};
                    838:     } else {
                    839: 	$end_time = &Apache::lonhomework::due_date('0',$symb,
                    840: 						   $udom,$uname);
                    841:     }
                    842:     return $end_time;
                    843: }
                    844: 
1.32      albertel  845: sub get_key_todo {
                    846:     my ($target)=@_;
                    847:     my $todo;
1.33      albertel  848: 
                    849:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  850: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  851: 	$env{'form.queue'}='reviewqueue';
                    852: 	return (undef,'show_list');
                    853:     }
                    854: 
                    855:     if (defined($env{'form.reviewagrading'})) {
                    856: 	&Apache::lonxml::debug("review a grading....");
                    857: 	$env{'form.queue'}='gradingqueue';
                    858: 	return (undef,'show_list');
                    859:     }
                    860: 
1.49      albertel  861:     if (defined($env{'form.regradeasubmission'})) {
                    862: 	&Apache::lonxml::debug("regrade a grading....");
                    863: 	$env{'form.queue'}='none';
                    864: 	return (undef,'select_user');
                    865:     }
                    866: 
1.105     albertel  867: 
1.138     albertel  868:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.105     albertel  869: 
                    870:     #need to try both queues..
                    871:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    872: 	defined($env{'form.gradinguser'})               &&
                    873: 	defined($env{'form.gradingdomain'})               ) {
1.185     albertel  874: 	my ($symb,$cid)=&Apache::lonnet::whichuser();
1.105     albertel  875: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    876: 	my $cdom  = $env{'course.'.$cid.'.domain'};
1.224     albertel  877: 	my $uname = &LONCAPA::clean_username($env{'form.gradinguser'});
                    878: 	my $udom  = &LONCAPA::clean_domain($env{'form.gradingdomain'});
1.105     albertel  879: 
                    880: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    881: 
                    882: 	my $queue;
                    883: 
                    884: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    885: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    886: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    887: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    888: 	}
                    889: 	
                    890: 	if (!$queue) {
                    891: 	    $env{'form.queue'} = $queue = 'none';
                    892: 	    #not queued so doing either a re or pre grade
1.164     albertel  893: 	    my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
                    894: 	    if ($status{'resource.0.version'} < 1) {
                    895: 		return (undef,'never_versioned');
                    896: 	    }
1.105     albertel  897: 	    return ($gradingkey);
                    898: 	}
                    899: 
1.165     albertel  900: 	if ($queue) {
                    901: 	    my $queue_entry = &get_queue_data($queue,$udom,$uname);
                    902: 	
                    903: 	    my $end_time = &get_task_end_time($queue_entry,$symb,
                    904: 					      $udom,$uname);
                    905: 	    if ($end_time > time) {
                    906: 		return (undef,"still_open:$end_time");
                    907: 	    }
                    908: 	}
                    909: 
1.105     albertel  910: 	my $who=&queue_key_locked($queue,$gradingkey);
                    911: 	if ($who eq $me) {
                    912: 	    #already have the lock
1.158     www       913: 	    $env{'form.gradingkey'}=&escape($gradingkey);
1.163     albertel  914: 	    &Apache::lonxml::debug("already locked");
1.105     albertel  915: 	    return ($gradingkey);
                    916: 	}
                    917: 	
                    918: 	if (!defined($who)) {
                    919: 	    if (&lock_key($queue,$gradingkey)) {
1.163     albertel  920: 		&Apache::lonxml::debug("newly locked");
1.105     albertel  921: 		return ($gradingkey);
                    922: 	    } else {
                    923: 		return (undef,'lock_failed');
                    924: 	    }
                    925: 	}
                    926: 
                    927: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    928: 	return (undef,'not_allowed',
                    929: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
1.138     albertel  930: 		    $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
1.105     albertel  931:     }
                    932: 
                    933: 
1.32      albertel  934:     my $queue=$env{'form.queue'};
1.33      albertel  935: 
1.32      albertel  936:     if (!defined($queue)) {
                    937: 	$env{'form.queue'}=$queue='gradingqueue';
                    938:     }
1.33      albertel  939: 
1.158     www       940:     my $gradingkey=&unescape($env{'form.gradingkey'});
1.33      albertel  941: 
1.49      albertel  942:     if ($env{'form.queue'} eq 'none') {
                    943: 	if (defined($env{'form.gradingkey'})) {
                    944: 	    if ($target eq 'webgrade') {
                    945: 		if ($env{'form.stop'}) {
                    946: 		    return (undef,'stop');
1.163     albertel  947: 		} elsif ($env{'form.cancel'}) {
                    948: 		    return (undef,'cancel');
1.49      albertel  949: 		} elsif ($env{'form.next'}) {
1.59      albertel  950: 		    return (undef,'select_user');
1.49      albertel  951: 		}
                    952: 	    }
                    953: 	    return ($gradingkey,'selected');
                    954: 	} else {
1.59      albertel  955: 	    return (undef,'select_user');
1.49      albertel  956: 	}
                    957:     }
1.32      albertel  958:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  959: 	&& !defined($env{'form.gradingaction'}) 
                    960: 	&& $env{'form.queuemode'} eq 'selected') {
                    961: 	
                    962: 	my $who=&queue_key_locked($queue,$gradingkey);
                    963: 	if ($who eq $me) {
                    964: 	    &Apache::lonxml::debug("Found a key was given to me");
                    965: 	    return ($gradingkey,'selected');
                    966: 	} else {
                    967: 	    return (undef,'show_list');
                    968: 	}
                    969: 
                    970:     }
                    971: 
                    972:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    973: 	if ($env{'form.gradingaction'} eq 'resume') {
                    974: 	    delete($env{'form.gradingaction'});
                    975: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  976: 	    return ($gradingkey);
1.33      albertel  977: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    978: 	    &Apache::lonxml::debug("Unlocking a key ".
                    979: 				     &check_queue_unlock($queue,$gradingkey,1));
                    980: 	    return (undef,'unlock');
                    981: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    982: 	    &Apache::lonxml::debug("Locking a key");
                    983: 	    if (&lock_key($queue,$gradingkey)) {
                    984: 		&Apache::lonxml::debug("Success $queue");
                    985: 		return ($gradingkey);
                    986: 	    }
                    987: 	    &Apache::lonxml::debug("Failed $queue");
                    988: 	    return (undef,'lock_failed');
1.32      albertel  989: 	}
                    990:     }
1.33      albertel  991: 
                    992:     if ($env{'form.queuemode'} ne 'selected') {
                    993: 	# don't get something new from the queue if they hit the stop button
1.163     albertel  994:     	if (!(($env{'form.cancel'} || $env{'form.stop'}) 
                    995: 	      && $target eq 'webgrade') 
1.33      albertel  996: 	    && !$env{'form.gradingaction'}) {
                    997: 	    &Apache::lonxml::debug("Getting anew $queue");
                    998: 	    return (&get_from_queue($queue));
                    999: 	} else {
                   1000: 	    return (undef,'stop');
                   1001: 	}
1.32      albertel 1002:     }
1.33      albertel 1003:     return (undef,undef)
1.32      albertel 1004: }
1.94      albertel 1005: 
                   1006: sub minimize_storage {
                   1007:     foreach my $key (keys(%Apache::lonhomework::results)) {
                   1008: 	if ($key =~ /regrader$/) { next; }
                   1009: 	if ($Apache::lonhomework::results{$key} eq
                   1010: 	    $Apache::lonhomework::history{$key}) {
                   1011: 	    delete($Apache::lonhomework::results{$key});
                   1012: 	}
                   1013:     }
                   1014: }
                   1015: 
1.1       albertel 1016: sub end_Task {
                   1017:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1018:     my $result='';
                   1019:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel 1020:     my ($version,$previous)=&get_version();
1.1       albertel 1021:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel 1022: 	$target eq 'tex') {
1.69      albertel 1023: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel 1024: 	    if ($target eq 'web') {
1.54      albertel 1025: 		if (&show_task($status,$previous)) {
                   1026: 		    $result.=&Apache::lonxml::endredirection();
                   1027: 		}
1.64      albertel 1028: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                   1029: 		    !$env{'form.donescreen'}) {
1.15      albertel 1030: 		    $result.="\n".'<table border="1">'.
1.28      albertel 1031: 			&Apache::inputtags::file_selector("$version.0",
                   1032: 							  "bridgetask","*",
1.46      albertel 1033: 							  'portfolioonly',
                   1034: 							  '
                   1035: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                   1036: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel 1037: 							  "</table>";
1.77      albertel 1038: 		}
1.78      albertel 1039: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                   1040: 		    &show_task($status,$previous)) {
1.9       albertel 1041: 		    $result.=&Apache::inputtags::gradestatus('0');
1.199     albertel 1042: 		}
                   1043: 		
                   1044: 		$result.='</form>';
                   1045: 
                   1046: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                   1047: 		    &show_task($status,$previous)) {
1.116     albertel 1048: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel 1049: 		    $result.=<<DONEBUTTON;
1.115     albertel 1050: <form name="done" method="post" action="$action">
1.64      albertel 1051:    <input type="hidden" name="donescreen" value="1" />
                   1052:    <input type="submit" value="Done" />
                   1053: </form>
                   1054: DONEBUTTON
1.77      albertel 1055:                 }
1.56      albertel 1056: 		if (&show_task($status,$previous) &&
1.89      albertel 1057: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                   1058: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel 1059: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel 1060: 
1.149     albertel 1061: 		    my $start_time;
                   1062: 
1.80      albertel 1063: 		    my $slot_name=
1.89      albertel 1064: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.149     albertel 1065: 		    if ($slot_name) {
                   1066: 			my %slot=&Apache::lonnet::get_slot($slot_name);
                   1067: 
                   1068: 			$start_time=$slot{'starttime'}
                   1069: 		    } else {
                   1070: 			$start_time= 
                   1071: 			    &Apache::lonnet::EXT('resource.0.opendate');
                   1072: 		    }
                   1073: 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
1.54      albertel 1074: 
1.200     albertel 1075: 		    my $status = 
1.213     albertel 1076: 			"\n<div class='LC_$bt_status LC_criteria LC_task_overall_status'>\n\t";
1.54      albertel 1077: 		    
1.213     albertel 1078: 		    my $dim = $top;
                   1079: 		    my %counts = &get_counts($dim,undef,$parstack,
                   1080: 					     $safeeval);
                   1081: 		    my $question_status ="\n\t<p>".
                   1082: 			&question_status_message(\%counts,-1).
                   1083: 			"</p>\n";
                   1084: 
1.54      albertel 1085: 		    if ($bt_status eq 'pass')  {
                   1086: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel 1087: 			    $start_time.'</h2>';
1.213     albertel 1088: 			$status.=$question_status;
1.54      albertel 1089: 		    }
                   1090: 		    if ($bt_status eq 'fail')  {
                   1091: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel 1092: 			    $start_time.'</h2>';
1.213     albertel 1093: 			$status.=$question_status;
1.54      albertel 1094: 			if (!$previous) {
                   1095: 			    $status.=&add_request_another_attempt_button();
                   1096: 			}
                   1097: 		    }
1.213     albertel 1098: 		    
1.200     albertel 1099: 		    $status.="\n".'</div>'."\n";
1.194     albertel 1100: 
                   1101: 		    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
                   1102: 			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1103: 			if ($type eq 'dimension') {
                   1104: 			    $result.=$dimension{$id}{'result'};
                   1105: 			    next;
                   1106: 			}
                   1107: 			my $criteria = 
                   1108: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   1109: 					  [@_]);
                   1110: 			$status .= &layout_web_Criteria($dim,$id,$criteria);
                   1111: 		    }
1.54      albertel 1112: 
                   1113: 		    my $internal_location=&internal_location();
                   1114: 		    $result=~s/\Q$internal_location\E/$status/;
                   1115: 		}
1.142     albertel 1116: 		$result.="\n</div>\n".
                   1117: 		    &Apache::loncommon::end_page({'discussion' => 1});
1.1       albertel 1118: 	    }
                   1119: 	}
1.181     albertel 1120: 
                   1121: 	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                   1122: 	my %queue_data = ('type' => 'Task',
                   1123: 			  'time' => time,);
                   1124: 	if (defined($Apache::inputtags::slot_name)) {
                   1125: 	    $queue_data{'slot'} = $Apache::inputtags::slot_name;
                   1126: 	} elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
                   1127: 	    $queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
                   1128: 	}
                   1129: 	
                   1130: 
1.215     albertel 1131: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous
                   1132: 	    && $status eq 'CAN_ANSWER') {
1.12      albertel 1133: 	    my $award='SUBMITTED';
1.28      albertel 1134: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel 1135: 						    'portfiles',\$award);
1.14      albertel 1136: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel 1137: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                   1138: 		$Apache::lonhomework::results{"resource.0.tries"}=
                   1139: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                   1140: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                   1141: 
                   1142: 		$Apache::lonhomework::results{"resource.0.award"}=
                   1143: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                   1144: 		    $award;
1.51      albertel 1145: 		$Apache::lonhomework::results{"resource.0.submission"}=
                   1146: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel 1147: 	    } else {
                   1148: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel 1149: 		$award = '';
1.10      albertel 1150: 	    }
1.4       albertel 1151: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                   1152: 	    &Apache::structuretags::finalize_storage();
1.148     albertel 1153: 	    if ($award eq 'SUBMITTED') {
1.181     albertel 1154: 		&add_to_queue('gradingqueue',\%queue_data);
1.14      albertel 1155: 	    }
1.1       albertel 1156: 	}
1.163     albertel 1157: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1158: 	    && exists($env{'form.cancel'})) {
                   1159: 	    &check_queue_unlock($env{'form.queue'});
                   1160: 	    &Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
                   1161: 	} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1162: 		 && !exists($env{'form.cancel'})) {
1.20      albertel 1163: 	    my $optional_required=
                   1164: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                   1165: 					   $safeeval);
                   1166: 	    my $optional_passed=0;
                   1167: 	    my $mandatory_failed=0;
                   1168: 	    my $ungraded=0;
                   1169: 	    my $review=0;   
1.21      albertel 1170: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.194     albertel 1171: 	    my $dim = $top;
                   1172: 	    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
                   1173: 		my $link=&link($id);
                   1174: 
                   1175: 		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1176: 
                   1177: 		if ($type eq 'criteria') {
                   1178: 		    # dimensional 'criteria' don't get assigned grades
                   1179: 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"}=$env{'form.HWVAL_'.$link};
                   1180: 		    $Apache::lonhomework::results{"resource.$version.0.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   1181: 		} 
1.20      albertel 1182: 		my $status=
1.194     albertel 1183: 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"};
                   1184: 		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   1185: 
1.20      albertel 1186: 		if ($status eq 'pass') {
                   1187: 		    if (!$mandatory) { $optional_passed++; }
                   1188: 		} elsif ($status eq 'fail') {
                   1189: 		    if ($mandatory) { $mandatory_failed++; }
1.194     albertel 1190: 		} elsif ($status eq 'review') {
                   1191: 		    $review++;
1.20      albertel 1192: 		} elsif ($status eq 'ungraded') {
                   1193: 		    $ungraded++;
1.49      albertel 1194: 		} else {
                   1195: 		    $ungraded++;
                   1196: 		}
1.20      albertel 1197: 	    }
                   1198: 	    if ($optional_passed < $optional_required) {
                   1199: 		$mandatory_failed++;
                   1200: 	    }
1.194     albertel 1201: 	    &Apache::lonxml::debug(" task results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.89      albertel 1202: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.138     albertel 1203: 		$env{'user.name'}.':'.$env{'user.domain'};
1.20      albertel 1204: 	    if ($review) {
1.89      albertel 1205: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.20      albertel 1206: 	    } elsif ($ungraded) {
1.89      albertel 1207: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.20      albertel 1208: 	    } elsif ($mandatory_failed) {
1.89      albertel 1209: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel 1210: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                   1211: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                   1212: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.185     albertel 1213: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.52      albertel 1214: 		
                   1215: 		if ($env{'form.regrade'} ne 'yes') {
                   1216: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1217: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1218: 		    &Apache::grades::version_portfiles(
                   1219: 						       \%Apache::lonhomework::results,
                   1220: 						       ["$version.0.bridgetask"],$courseid,
                   1221: 						       $symb,$udom,$uname,
                   1222: 						       ["$version.0.bridgetask"]);
                   1223: 		}
1.20      albertel 1224: 	    } else {
1.89      albertel 1225: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel 1226: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                   1227: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                   1228: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.185     albertel 1229: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.52      albertel 1230: 		if ($env{'form.regrade'} ne 'yes') {
                   1231: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1232: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1233: 		    &Apache::grades::version_portfiles(
                   1234: 						       \%Apache::lonhomework::results,
                   1235: 						       ["$version.0.bridgetask"],$courseid,
                   1236: 						       $symb,$udom,$uname,
                   1237: 						       ["$version.0.bridgetask"]);
                   1238: 		}
1.20      albertel 1239: 	    }
1.89      albertel 1240: 	    $Apache::lonhomework::results{"resource.0.status"}=
                   1241: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel 1242: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel 1243: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel 1244: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel 1245: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel 1246: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel 1247: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel 1248: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel 1249: 	    }
1.94      albertel 1250: 	    &minimize_storage();
1.21      albertel 1251: 	    &Apache::structuretags::finalize_storage();
1.188     albertel 1252: 	    
                   1253: 	    # data stored, now handle queue
                   1254: 	    if ($review) {
                   1255: 		if ($env{'form.queue'} eq 'reviewqueue') {
                   1256: 		    &check_queue_unlock($env{'form.queue'});
                   1257: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                   1258: 		} else {
                   1259: 		    if ($env{'form.queue'} ne 'none') {
                   1260: 			&move_between_queues($env{'form.queue'},'reviewqueue');
                   1261: 		    } else {
                   1262: 			&add_to_queue('reviewqueue',\%queue_data);
                   1263: 		    }
                   1264: 		}
                   1265: 	    } elsif ($ungraded) {
                   1266: 		if ($env{'form.queue'} eq 'reviewqueue') {
                   1267: 		    &Apache::lonxml::debug("moving back.");
                   1268: 		    &move_between_queues($env{'form.queue'},
                   1269: 					 'gradingqueue');
                   1270: 		} elsif ($env{'form.queue'} eq 'none' ) {
                   1271: 		    &add_to_queue('gradingqueue',\%queue_data);	
                   1272: 		} else {
                   1273: 		    &check_queue_unlock($env{'form.queue'});
                   1274: 		}
                   1275: 	    } elsif ($mandatory_failed) {
                   1276: 		&remove_from_queue($env{'form.queue'}); 
                   1277: 	    } else {
                   1278: 		&remove_from_queue($env{'form.queue'});
                   1279: 	    }
1.20      albertel 1280: 	}
1.184     albertel 1281: 	if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
                   1282: 	    # instance generation occured and hasn't yet been stored
                   1283: 	    &Apache::structuretags::finalize_storage();
                   1284: 	}
1.15      albertel 1285:     } elsif ($target eq 'webgrade') {
1.208     albertel 1286: 	if (&nest()) {
                   1287: 	    &Apache::lonxml::endredirection();
                   1288: 	    &end_delay();
                   1289: 	    $result.=$dimension{$top}{'result'};
                   1290: 	} else {
                   1291: 	    $result.=&Apache::lonxml::endredirection();
                   1292: 	}
1.194     albertel 1293: 	my $dim = $top;
                   1294: 	foreach my $id (@{$dimension{$dim}{'criterias'}} ) {
                   1295: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1296: 	    if ($type eq 'dimension') {
                   1297: 		# dimensional 'criteria' don't get assigned grades
                   1298: 		next;
                   1299: 	    } else {
                   1300: 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   1301: 					     [@_]);
                   1302: 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
                   1303: 		my $internal_location=&internal_location($id);
1.209     albertel 1304: 		if ($result =~ m/\Q$internal_location\E/) {
                   1305: 		    $result=~s/\Q$internal_location\E/$criteria/;
                   1306: 		} else {
                   1307: 		    $result.=$criteria;
                   1308: 		}
                   1309: 
1.194     albertel 1310: 	    }
                   1311: 	}
                   1312:         $result.="</div>";
1.20      albertel 1313: 	#$result.='<input type="submit" name="next" value="'.
                   1314: 	#    &mt('Save &amp; Next').'" /> ';
                   1315: 	#$result.='<input type="submit" name="end" value="'.
                   1316: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1317: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1318: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1319: 	#$result.='<input type="submit" name="save" value="'.
                   1320: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel 1321: 	$result.='</form>'."\n</div>\n</div>\n".
1.140     albertel 1322: 	    &Apache::loncommon::end_page();
1.1       albertel 1323:     } elsif ($target eq 'meta') {
1.70      albertel 1324: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1325:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1326: 						      'Problem Status');
                   1327: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1328: 						      'Number of Attempts');
                   1329: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1330: 						      'Partial Credit Factor');
                   1331: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1332: 						      'Bridge Task Status');
1.182     albertel 1333:     } elsif ($target eq 'edit') {
1.227     albertel 1334: 	$result.= &Apache::structuretags::problem_edit_footer();
1.1       albertel 1335:     }
1.179     albertel 1336:     &Apache::structuretags::reset_problem_globals('Task');
1.4       albertel 1337:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1338:     return $result;
                   1339: }
                   1340: 
1.31      albertel 1341: sub move_between_queues {
                   1342:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1343:     my $cur_data;
                   1344:     if ($src_queue ne 'none') {
                   1345: 	$cur_data=&get_queue_data($src_queue);
                   1346: 	if (!$cur_data) { return 'not_exist'; }
                   1347:     } else {
                   1348: 	$cur_data = ['none'];
                   1349:     }
1.148     albertel 1350:     my $result=&add_to_queue($dest_queue,$cur_data);
1.31      albertel 1351:     if ($result ne 'ok') {
                   1352: 	return $result;
                   1353:     }
                   1354:     &check_queue_unlock($src_queue);
                   1355:     return &remove_from_queue($src_queue);
1.21      albertel 1356: }
                   1357: 
                   1358: sub check_queue_unlock {
1.32      albertel 1359:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1360:     if ($queue eq 'none') { return 'ok'; }
1.185     albertel 1361:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.32      albertel 1362:     if (!defined($key)) {
1.138     albertel 1363: 	$key="$symb\0queue\0$uname:$udom";
1.32      albertel 1364:     }
1.30      albertel 1365:     my $cnum=$env{'course.'.$cid.'.num'};
                   1366:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1367:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.30      albertel 1368:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1369:     if  ($who eq $me) {
1.163     albertel 1370: 	&Apache::lonxml::debug("unlocking my own $who");
1.32      albertel 1371: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1372:     } elsif ($allow_not_me) {
1.33      albertel 1373: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1374: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1375:     }
1.32      albertel 1376:     return 'not_owner';
1.21      albertel 1377: }
                   1378: 
1.88      albertel 1379: sub in_queue {
                   1380:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1381:     if ($queue eq 'none') { return 0; }
                   1382:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1383: 	|| !defined($udom) || !defined($uname)) {
1.185     albertel 1384: 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.88      albertel 1385: 	$cnum=$env{'course.'.$cid.'.num'};
                   1386: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1387:     }
                   1388: 
                   1389:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1390:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1391: 
                   1392:     if (defined($results{$key})) {
                   1393: 	return 1;
                   1394:     }
                   1395:     return 0;
                   1396: }
                   1397: 
1.21      albertel 1398: sub remove_from_queue {
1.86      albertel 1399:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1400:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1401:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1402: 	|| !defined($udom) || !defined($uname)) {
1.185     albertel 1403: 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.86      albertel 1404: 	$cnum=$env{'course.'.$cid.'.num'};
                   1405: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1406:     }
1.88      albertel 1407:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1408: 	return 'ok';
                   1409:     }
1.86      albertel 1410:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1411:     my @keys=($key,"$key\0locked");
1.31      albertel 1412:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1413: }
                   1414: 
1.16      albertel 1415: sub setup_env_for_other_user {
                   1416:     my ($queue_key,$safeeval)=@_;
                   1417:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1418:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1419:     $env{'form.grade_symb'}=$symb;
                   1420:     $env{'form.grade_domain'}=$udom;
                   1421:     $env{'form.grade_username'}=$uname;
                   1422:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1423:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1424: }
                   1425: 
1.31      albertel 1426: sub get_queue_data {
1.165     albertel 1427:     my ($queue,$udom,$uname)=@_;
1.185     albertel 1428:     my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonnet::whichuser();
1.165     albertel 1429:     if (!$uname || !$udom) {
                   1430: 	$uname=$other_uname;
                   1431: 	$udom =$other_udom;
                   1432:     }
1.31      albertel 1433:     my $cnum=$env{'course.'.$cid.'.num'};
                   1434:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1435:     my $todo="$symb\0queue\0$uname:$udom";
1.31      albertel 1436:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1437:     if ($key eq $todo && ref($value)) {
                   1438: 	return $value;
                   1439:     }
                   1440:     return undef;
                   1441: }
                   1442: 
1.84      albertel 1443: 
1.49      albertel 1444: sub check_queue_for_key {
1.84      albertel 1445:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1446: 
1.49      albertel 1447:     my %results=
                   1448: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1449:     
                   1450:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1451: 	if (defined($results{"$todo\0locked"})) {
                   1452: 	    return 'locked';
                   1453: 	}
1.148     albertel 1454: 	if (my $slot=&slotted_access($results{$todo})) {
1.86      albertel 1455: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1456: 	    if ($slot_data{'endtime'} > time) { 
                   1457: 		return 'in_progress';
                   1458: 	    }
1.148     albertel 1459: 	} else {
                   1460: 	    my ($symb) = &decode_queue_key($todo);
                   1461: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1462: 	    if ($due_date > time) {
                   1463: 		return 'in_progress';
                   1464: 	    }
1.58      albertel 1465: 	}
1.49      albertel 1466: 	return 'enqueued';
                   1467:     }
                   1468:     return undef;
                   1469: }
                   1470: 
1.14      albertel 1471: sub add_to_queue {
1.82      albertel 1472:     my ($queue,$user_data)=@_;
1.49      albertel 1473:     if ($queue eq 'none') { return 'ok'; }
1.185     albertel 1474:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.82      albertel 1475:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1476: 	return 'no_queue';
                   1477:     }
1.14      albertel 1478:     my $cnum=$env{'course.'.$cid.'.num'};
                   1479:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1480:     my %data;
1.138     albertel 1481:     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
1.83      albertel 1482:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1483: }
                   1484: 
1.156     albertel 1485: sub get_limited_classlist {
                   1486:     my ($sections) = @_;
                   1487: 
                   1488:     my $classlist = &Apache::loncoursedata::get_classlist();
1.157     albertel 1489:     foreach my $student (keys(%$classlist)) {
                   1490: 	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
                   1491: 	     ne 'Active') {
                   1492: 	    delete($classlist->{$student});
                   1493:        	}
                   1494:     }
1.156     albertel 1495: 
1.157     albertel 1496:     if (ref($sections) && !grep('all',@{ $sections })) {
1.156     albertel 1497: 	foreach my $student (keys(%$classlist)) {
                   1498: 	    my $section  = 
                   1499: 		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
                   1500: 	    if (! grep($section,@{ $sections })) {
                   1501: 		delete($classlist->{$student});
                   1502: 	    }
                   1503: 	}
                   1504:     }
                   1505:     return $classlist;
                   1506: }
                   1507: 
                   1508: 
1.14      albertel 1509: sub show_queue {
1.32      albertel 1510:     my ($queue,$with_selects)=@_;
1.14      albertel 1511:     my $result;
1.185     albertel 1512:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.14      albertel 1513:     my $cnum=$env{'course.'.$cid.'.num'};
                   1514:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1515: 
                   1516:     my @chosen_sections=
                   1517: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1518: 
                   1519:     my $classlist = &get_limited_classlist(\@chosen_sections);
                   1520: 
1.63      albertel 1521:     if (!(grep(/^all$/,@chosen_sections))) {
                   1522: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1523: 	    '</tt>.</p> '."\n";
                   1524:     }
1.59      albertel 1525: 
1.156     albertel 1526:     my ($view,$view_section);
                   1527:     my $scope = $env{'request.course.id'};
                   1528:     if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
                   1529: 	$scope .= '/'.$env{'request.course.sec'};
                   1530: 	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
                   1531: 	    $view_section=$env{'request.course.sec'};
                   1532: 	} else {
                   1533: 	    undef($view);
                   1534: 	}
                   1535:     }
                   1536: 
1.16      albertel 1537:     my $regexp="^$symb\0";
1.30      albertel 1538:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1539:     my ($tmp)=%queue;
                   1540:     if ($tmp=~/^error: 2 /) {
1.159     albertel 1541: 	return "\n<h3>Current Queue - $queue</h3>".
                   1542: 	    &Apache::loncommon::start_data_table().
                   1543: 	    &Apache::loncommon::start_data_table_row().
                   1544: 	    '<td>'.&mt('Empty').'</td>'.
                   1545: 	    &Apache::loncommon::end_data_table_row().
                   1546: 	    &Apache::loncommon::end_data_table();
1.31      albertel 1547:     }
1.103     albertel 1548:     my $title=&Apache::lonnet::gettitle($symb);
1.159     albertel 1549:     $result.="\n<h3>Current Queue - $title $queue </h3>".
                   1550: 	&Apache::loncommon::start_data_table().
                   1551: 	&Apache::loncommon::start_data_table_header_row();
1.103     albertel 1552:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
1.159     albertel 1553:     $result.="<th>user</th><th>data</th>".
                   1554: 	&Apache::loncommon::end_data_table_header_row();
1.14      albertel 1555:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1556: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1557: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.156     albertel 1558: 	
                   1559: 	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
                   1560: 
                   1561: 	my $can_view=1;
                   1562: 	if (!$view
                   1563: 	    || ($view_section && !$section)
                   1564: 	    || ($view_section && $section && ($view_section ne $section))) {
                   1565: 	    $can_view=0;
                   1566: 	}
                   1567: 
1.32      albertel 1568: 	if ($key=~/locked$/ && !$with_selects) {
1.159     albertel 1569: 	    $result.= &Apache::loncommon::start_data_table_row().
                   1570: 		"<td>$uname</td>";
1.103     albertel 1571: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1572: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.159     albertel 1573: 	    $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
1.103     albertel 1574: 	    $result.='<td>'.
1.16      albertel 1575: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1576: 	} elsif ($key!~/(timestamp|locked)$/) {
1.159     albertel 1577: 	    $result.= &Apache::loncommon::start_data_table_row();
1.148     albertel 1578: 	    my ($end_time,$slot_text);
                   1579: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1580: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1581: 		$end_time = $slot_data{'endtime'};
                   1582: 		$slot_text = &mt('Slot: [_1]',$slot);
                   1583: 	    } else {
                   1584: 		$end_time = &Apache::lonhomework::due_date('0',$symb);
                   1585: 		$slot_text = '';
                   1586: 	    }
1.32      albertel 1587: 	    if ($with_selects) {
1.158     www      1588: 		my $ekey=&escape($key);
1.103     albertel 1589: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1590: 		if (exists($queue{"$key\0locked"})) {
1.217     albertel 1591: 		    my ($locker,$time) = 
                   1592: 			&get_lock_info($queue{"$key\0locked"});
                   1593: 		    if ($time) {
1.214     albertel 1594: 			$time = 
                   1595: 			    &Apache::lonnavmaps::timeToHumanString($time,
                   1596: 								   'start');
                   1597: 		    }
1.138     albertel 1598: 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.214     albertel 1599: 		    $status=&mt('Locked by <tt>[_1]</tt> [_2]',$locker,$time);
1.217     albertel 1600: 		    if ($me eq $locker) {
1.32      albertel 1601: 			($action,$description)=('resume',&mt('Resume'));
                   1602: 		    } else {
                   1603: 			($action,$description)=('unlock',&mt('Unlock'));
                   1604: 		    }
                   1605: 		}
1.62      albertel 1606: 		my $seclist;
                   1607: 		foreach my $sec (@chosen_sections) {
                   1608: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1609:                                value="'.$sec.'" />';
                   1610: 		}
1.156     albertel 1611: 		if ($can_view && ($end_time ne '' && time > $end_time)) {
1.35      albertel 1612: 		    $result.=(<<FORM);
1.103     albertel 1613: <td>$status</td>
1.32      albertel 1614: <td>
1.115     albertel 1615: <form style="display: inline" method="post">
1.32      albertel 1616:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1617:  <input type="hidden" name="queue" value="$queue" />
                   1618:  <input type="hidden" name="gradingaction" value="$action" />
                   1619:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1620:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1621:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1622:  $seclist
1.32      albertel 1623: </form>
                   1624: </td>
                   1625: FORM
1.156     albertel 1626:                 } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
                   1627: 		    $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
1.35      albertel 1628:                 } else {
1.148     albertel 1629: 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
1.35      albertel 1630: 		}
1.32      albertel 1631: 	    }
1.156     albertel 1632: 	    $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
1.138     albertel 1633: 		" <tt>($uname:$udom)</tt> </td>";
1.148     albertel 1634: 	    $result.='<td>'.$slot_text.' End time: '.
                   1635: 		&Apache::lonlocal::locallocaltime($end_time).
1.159     albertel 1636: 		"</td>".&Apache::loncommon::end_data_table_row();
1.16      albertel 1637: 	}
1.14      albertel 1638:     }
1.159     albertel 1639:     $result.= &Apache::loncommon::end_data_table()."<hr />\n";
1.14      albertel 1640:     return $result;
                   1641: }
                   1642: 
1.34      albertel 1643: sub get_queue_counts {
                   1644:     my ($queue)=@_;
                   1645:     my $result;
1.185     albertel 1646:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.34      albertel 1647:     my $cnum=$env{'course.'.$cid.'.num'};
                   1648:     my $cdom=$env{'course.'.$cid.'.domain'};
1.156     albertel 1649: 
1.157     albertel 1650:     my $classlist=&get_limited_classlist();
1.156     albertel 1651: 
1.34      albertel 1652:     my $regexp="^$symb\0";
                   1653:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1654:     my ($tmp)=%queue;
                   1655:     if ($tmp=~/^error: 2 /) {
                   1656: 	return (0,0,0);
                   1657:     }
                   1658:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1659:     my %slot_cache;
1.34      albertel 1660:     foreach my $key (sort(keys(%queue))) {
1.156     albertel 1661: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1662: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.34      albertel 1663: 	if ($key=~/locked$/) {
                   1664: 	    $locks++;
                   1665: 	} elsif ($key=~/timestamp$/) {
                   1666: 	    #ignore
                   1667: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1668: 	    $entries++;
1.148     albertel 1669: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1670: 		if (!exists($slot_cache{$slot})) {
                   1671: 		    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1672: 		    $slot_cache{$slot} = \%slot_data;
                   1673: 		}
                   1674: 		if (time > $slot_cache{$slot}{'endtime'}) {
                   1675: 		    $ready_to_grade++;
                   1676: 		}
                   1677: 	    } else {
                   1678: 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1679: 		if ($due_date ne '' && time > $due_date) {
                   1680: 		    $ready_to_grade++;
                   1681: 		}
1.34      albertel 1682: 	    }
                   1683: 	}
                   1684:     }
                   1685:     return ($entries,$ready_to_grade,$locks);
                   1686: }
                   1687: 
1.49      albertel 1688: sub encode_queue_key {
                   1689:     my ($symb,$udom,$uname)=@_;
1.138     albertel 1690:     return "$symb\0queue\0$uname:$udom";
1.49      albertel 1691: }
                   1692: 
1.14      albertel 1693: sub decode_queue_key {
                   1694:     my ($key)=@_;
                   1695:     my ($symb,undef,$user) = split("\0",$key);
1.138     albertel 1696:     my ($uname,$udom) = split(':',$user);
1.14      albertel 1697:     return ($symb,$uname,$udom);
                   1698: }
                   1699: 
                   1700: sub queue_key_locked {
1.30      albertel 1701:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1702:     if (!defined($cdom) || !defined($cnum)) {
1.185     albertel 1703: 	my (undef,$cid)=&Apache::lonnet::whichuser();
1.33      albertel 1704: 	$cnum=$env{'course.'.$cid.'.num'};
                   1705: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1706:     }
1.14      albertel 1707:     my ($key_locked,$value)=
1.30      albertel 1708: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1709:     if ($key_locked eq "$key\0locked") {
1.217     albertel 1710: 	return &get_lock_info($value);
1.14      albertel 1711:     }
                   1712:     return undef;
                   1713: }
                   1714: 
1.148     albertel 1715: sub slotted_access {
                   1716:     my ($queue_entry) = @_;
                   1717:     if (ref($queue_entry) eq 'ARRAY') {
                   1718: 	if (defined($queue_entry->[0])) {
                   1719: 	    return $queue_entry->[0];
                   1720: 	}
                   1721: 	return undef;
                   1722:     } elsif (ref($queue_entry) eq 'HASH') {
                   1723: 	if (defined($queue_entry->{'slot'})) {
                   1724: 	    return $queue_entry->{'slot'};
                   1725: 	}
                   1726: 	return undef;
                   1727:     }
                   1728:     return undef;
                   1729: }
                   1730: 
1.14      albertel 1731: sub pick_from_queue_data {
1.156     albertel 1732:     my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
1.98      albertel 1733:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1734:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1735: 	if ($key =~ /\0locked$/) { next; }
                   1736: 	if ($key =~ /\0timestamp$/) { next; }
1.156     albertel 1737: 
1.14      albertel 1738: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
1.156     albertel 1739: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
                   1740: 
1.14      albertel 1741: 	if ($check_section) {
1.156     albertel 1742: 	    my $section =
                   1743: 		$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
1.17      albertel 1744: 	    if ($section eq $check_section) {
1.33      albertel 1745: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1746: 		next;
                   1747: 	    }
1.14      albertel 1748: 	}
1.148     albertel 1749: 	my $end_time;
                   1750: 	if (my $slot=&slotted_access($queuedata->{$key})) {
1.154     albertel 1751: 	    &Apache::lonxml::debug("looking at slot $slot");
1.148     albertel 1752: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1753: 	    if ($slot_data{'endtime'} < time) { 
                   1754: 		$end_time = $slot_data{'endtime'};
1.154     albertel 1755: 	    } else {
                   1756: 		&Apache::lonxml::debug("not time ".$slot_data{'endtime'});
                   1757: 		next;
1.148     albertel 1758: 	    }
                   1759: 	} else {
                   1760: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
1.154     albertel 1761: 	    if ($due_date < time) {
1.148     albertel 1762: 		$end_time = $due_date;
1.154     albertel 1763: 	    } else {
                   1764: 		&Apache::lonxml::debug("not time $due_date");
                   1765: 		next;
1.148     albertel 1766: 	    }
                   1767: 	}
                   1768: 	
1.98      albertel 1769: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1770: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1771: 	    next;
                   1772: 	}
1.148     albertel 1773: 	push(@possible,[$key,$end_time]);
1.98      albertel 1774:     }
                   1775:     if (@possible) {
                   1776:         # sort entries in order by slot end time
                   1777: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
1.137     albertel 1778: 	# pick one of the entries in the top 10% in small queues and one
                   1779: 	# of the first ten entries in large queues
1.139     albertel 1780: 	#my $ten_percent = int($#possible * 0.1);
                   1781: 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
                   1782: 	#if ($ten_percent > 10) { $ten_percent = 10; }
                   1783: 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
1.137     albertel 1784: 	
1.139     albertel 1785: 	#return $possible[int(rand($max))][0];
                   1786: 	return $possible[0][0];
1.14      albertel 1787:     }
                   1788:     return undef;
                   1789: }
                   1790: 
1.217     albertel 1791: sub get_lock_info {
                   1792:     my ($lock_info) = @_;
                   1793:     if (wantarray) {
                   1794: 	if (ref($lock_info) eq 'ARRAY') {
                   1795: 	    return @{$lock_info};
                   1796: 	} else {
                   1797: 	    return ($lock_info);
                   1798: 	}
                   1799:     } else {
                   1800: 	if (ref($lock_info) eq 'ARRAY') {
                   1801: 	    return $lock_info->[0];
                   1802: 	} else {
                   1803: 	    return $lock_info;
                   1804: 	}
                   1805:     }
                   1806:     return;
                   1807: }
                   1808: 
1.15      albertel 1809: sub find_mid_grade {
1.30      albertel 1810:     my ($queue,$symb,$cdom,$cnum)=@_;
1.158     www      1811:     my $todo=&unescape($env{'form.gradingkey'});
1.138     albertel 1812:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.15      albertel 1813:     if ($todo) {
1.30      albertel 1814: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1815: 	if ($who eq $me) { return $todo; }
                   1816:     }
                   1817:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1818:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1819:     foreach my $key (keys(%locks)) {
1.217     albertel 1820: 	my $who= &get_lock_info($locks{$key});
1.15      albertel 1821: 	if ($who eq $me) {
                   1822: 	    $todo=$key;
                   1823: 	    $todo=~s/\0locked$//;
                   1824: 	    return $todo;
                   1825: 	}
                   1826:     }
                   1827:     return undef;
                   1828: }
                   1829: 
1.32      albertel 1830: sub lock_key {
                   1831:     my ($queue,$todo)=@_;
1.138     albertel 1832:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.185     albertel 1833:     my (undef,$cid)=&Apache::lonnet::whichuser();
1.32      albertel 1834:     my $cnum=$env{'course.'.$cid.'.num'};
                   1835:     my $cdom=$env{'course.'.$cid.'.domain'};
1.214     albertel 1836:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> [$me,time]},
1.32      albertel 1837: 					$cdom,$cnum);
1.33      albertel 1838:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1839:     if ($success eq 'ok') {
                   1840: 	return 1;
                   1841:     }
                   1842:     return 0;
                   1843: }
                   1844: 
1.86      albertel 1845: sub get_queue_symb_status {
1.85      albertel 1846:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1847:     if (!defined($cdom) || !defined($cnum)) {
1.185     albertel 1848: 	my (undef,$cid)=&Apache::lonnet::whichuser();
1.85      albertel 1849: 	$cnum=$env{'course.'.$cid.'.num'};
                   1850: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1851:     }
1.157     albertel 1852:     my $classlist=&get_limited_classlist();
1.156     albertel 1853: 
1.85      albertel 1854:     my $regexp="^$symb\0";
                   1855:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1856:     my ($tmp)=%queue;
                   1857:     if ($tmp=~/^error: 2 /) { return; }
                   1858:     my @users;
                   1859:     foreach my $key (sort(keys(%queue))) {
                   1860: 	next if ($key=~/locked$/);
                   1861: 	next if ($key=~/timestamp$/);
                   1862: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
1.156     albertel 1863: 	next if (!defined($classlist->{$uname.':'.$udom}));
1.85      albertel 1864: 	push(@users,"$uname:$udom");
                   1865:     }
                   1866:     return @users;
                   1867: }
                   1868: 
1.14      albertel 1869: sub get_from_queue {
1.30      albertel 1870:     my ($queue)=@_;
1.14      albertel 1871:     my $result;
1.185     albertel 1872:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.14      albertel 1873:     my $cnum=$env{'course.'.$cid.'.num'};
                   1874:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1875:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1876:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1877:     if ($todo) { return $todo; }
1.95      albertel 1878:     my $attempts=0;
1.156     albertel 1879: 
1.157     albertel 1880:     my $classlist=&get_limited_classlist();
1.156     albertel 1881: 
1.14      albertel 1882:     while (1) {
1.95      albertel 1883: 	if ($attempts > 2) {
                   1884: 	    # tried twice to get a queue entry, giving up
                   1885: 	    return (undef,'unable');
                   1886: 	}
1.14      albertel 1887: 	my $starttime=time;
1.83      albertel 1888: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1889: 			      $cdom,$cnum);
1.33      albertel 1890: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1891: 	my $regexp="^$symb\0queue\0";
1.156     albertel 1892: 	#my $range= ($attempts < 1 ) ? '0-100' : '0-400';
1.97      albertel 1893: 
1.98      albertel 1894: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1895: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1896: 	if ($env{'request.course.sec'}) {
1.33      albertel 1897: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1898: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1.156     albertel 1899: 					\%queue,$cdom,$cnum,$classlist);
1.33      albertel 1900: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1901: 	}
1.33      albertel 1902: 	# no one _not_ in our section so look for any user that is
                   1903: 	# ready for grading
1.14      albertel 1904: 	if (!$todo) {
1.33      albertel 1905: 	    &Apache::lonxml::debug("no sce");
1.156     albertel 1906: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
                   1907: 					$classlist);
1.33      albertel 1908: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1909: 	}
                   1910: 	# no user to grade 
                   1911: 	if (!$todo) { last; }
1.33      albertel 1912: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1913: 	# otherwise found someone so lets try to lock them
1.32      albertel 1914: 	# unless someone else already picked them
1.95      albertel 1915: 	if (!&lock_key($queue,$todo)) {
                   1916: 	    $attempts++;
                   1917: 	    next;
                   1918: 	}
1.14      albertel 1919: 	my (undef,$endtime)=
1.30      albertel 1920: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1921: 				 $cdom,$cnum);
1.33      albertel 1922: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1923: 	# someone else already modified the queue, 
                   1924: 	# perhaps our picked user wass already fully graded between
                   1925: 	# when we picked him and when we locked his record? so lets
                   1926: 	# double check.
                   1927: 	if ($endtime != $starttime) {
                   1928: 	    my ($key,$value)=
1.30      albertel 1929: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1930: 				     $cdom,$cnum);
1.33      albertel 1931: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1932: 	    if ($key eq $todo && ref($value)) {
                   1933: 	    } else {
1.30      albertel 1934: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1935: 				     $cdom,$cnum);
1.33      albertel 1936: 		&Apache::lonxml::debug("del");
1.95      albertel 1937: 		$attempts++;
1.14      albertel 1938: 		next;
                   1939: 	    }
                   1940: 	}
1.33      albertel 1941: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1942: 	last;
                   1943:     }
                   1944:     return $todo;
                   1945: }
                   1946: 
1.49      albertel 1947: sub select_user {
1.185     albertel 1948:     my ($symb,$cid)=&Apache::lonnet::whichuser();
1.49      albertel 1949: 
1.59      albertel 1950:     my @chosen_sections=
                   1951: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1952: 
                   1953:     my $classlist = &get_limited_classlist(\@chosen_sections);
1.63      albertel 1954:     
                   1955:     my $result;
                   1956:     if (!(grep(/^all$/,@chosen_sections))) {
                   1957: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1958: 	    '</tt>.</p> '."\n";
                   1959:     }
1.159     albertel 1960:     $result.=&Apache::loncommon::start_data_table();
1.49      albertel 1961: 
1.156     albertel 1962:     foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
1.49      albertel 1963: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1964: 	
1.84      albertel 1965: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1966: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1967: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1968: 					 'Task');
1.49      albertel 1969: 	my $queue = 'none';
1.58      albertel 1970: 	my $cannot_grade;
                   1971: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1972: 	    $queue = 'reviewqueue';
1.58      albertel 1973: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1974: 		$cannot_grade=1;
                   1975: 	    }
                   1976: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1977: 	    $queue = 'gradingqueue';
1.58      albertel 1978: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1979: 		$cannot_grade=1;
                   1980: 	    }
1.49      albertel 1981: 	}
                   1982: 	my $todo = 
1.158     www      1983: 	    &escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1984: 	if ($cannot_grade) {
1.159     albertel 1985: 	    $result.=&Apache::loncommon::start_data_table_row().
                   1986: 		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
1.58      albertel 1987: 		'</td><td>';
                   1988: 	} else {
1.62      albertel 1989: 	    my $seclist;
                   1990: 	    foreach my $sec (@chosen_sections) {
                   1991: 		$seclist.='<input type="hidden" name="chosensections" 
                   1992:                                value="'.$sec.'" />';
                   1993: 	    }
1.159     albertel 1994: 	    $result.=&Apache::loncommon::start_data_table_row();
1.58      albertel 1995: 	    $result.=<<RESULT;
1.49      albertel 1996:   <td>
1.115     albertel 1997:     <form style="display: inline" method="post">
1.49      albertel 1998:       <input type="hidden" name="gradingkey" value="$todo" />
                   1999:       <input type="hidden" name="queue" value="$queue" />
                   2000:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 2001:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 2002:       <input type="submit" name="submit" value="Regrade" />
                   2003:       $seclist
1.49      albertel 2004:     </form>
1.155     albertel 2005:   <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
1.49      albertel 2006:   <td>
                   2007: RESULT
1.58      albertel 2008:         }
1.49      albertel 2009:         if ($status{'status'} eq 'pass') {
                   2010: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   2011: 	} elsif ($status{'status'} eq 'fail') {
                   2012: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   2013: 	} elsif ($status{'status'} eq 'review') {
                   2014: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   2015: 	} elsif ($status{'status'} eq 'ungraded') {
                   2016: 	    $result .= &mt('Ungraded');
                   2017: 	} elsif ($status{'status'} ne '') {
                   2018: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   2019: 	} else {
                   2020: 	    $result.="&nbsp;";
                   2021: 	}
                   2022: 	if ($status{'version'}) {
                   2023: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   2024: 	}
1.101     albertel 2025: 	if ($status{'grader'}) {
                   2026: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   2027: 	}
1.49      albertel 2028: 	$result.= '</td><td>';
                   2029: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   2030: 	    $result .= &mt('Awaiting Review');
                   2031: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   2032: 	    $result .= &mt('Under Review');
1.58      albertel 2033: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   2034: 	    $result .= &mt('Still being worked on.');
1.49      albertel 2035: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   2036: 	    $result .= &mt('Awaiting Grading');
                   2037: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   2038: 	    $result .= &mt('Being Graded');
1.58      albertel 2039: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   2040: 	    $result .= &mt('Still being worked on.');
1.49      albertel 2041: 	} else {
                   2042: 	    $result.="&nbsp;";
                   2043: 	}
1.159     albertel 2044: 	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
1.49      albertel 2045:     }
1.159     albertel 2046:     $result.=&Apache::loncommon::end_data_table();
1.49      albertel 2047:     return $result;
                   2048: }
                   2049: 
                   2050: sub get_student_status {
1.86      albertel 2051:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   2052: 
                   2053:     my %status;
                   2054: 
                   2055:     if ($type eq 'Task') {
                   2056: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 2057: 					  $udom,$uname);
1.89      albertel 2058: 	$status{'status'}=$record{'resource.0.status'};
                   2059: 	$status{'version'}=$record{'resource.0.version'};
                   2060: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 2061:     }
                   2062:     $status{'reviewqueue'}=
                   2063: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   2064: 			     &encode_queue_key($symb,$udom,$uname));
                   2065:     $status{'gradingqueue'}=
                   2066: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   2067: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 2068:     return %status;
                   2069: }
                   2070: 
1.1       albertel 2071: sub start_ClosingParagraph {
                   2072:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2073:     my $result;
                   2074:     if ($target eq 'web') {
1.13      albertel 2075:     } elsif ($target eq 'webgrade') {
                   2076: 	&Apache::lonxml::startredirection();
1.225     albertel 2077:     } elsif ($target eq 'edit') {
                   2078: 	$result = &Apache::edit::tag_start($target,$token);
                   2079:     } elsif ($target eq 'modified') {
1.1       albertel 2080:     }
                   2081:     return $result;
                   2082: }
                   2083: 
                   2084: sub end_ClosingParagraph {
                   2085:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2086:     my $result;
                   2087:     if ($target eq 'web') {
1.13      albertel 2088:     } elsif ($target eq 'webgrade') {
                   2089: 	&Apache::lonxml::endredirection();
1.1       albertel 2090:     }
                   2091:     return $result;
                   2092: }
                   2093: 
1.227     albertel 2094: sub insert_ClosingParagraph {
                   2095:     return '
                   2096: <ClosingParagraph>
                   2097:     <startouttext />
                   2098:     <endouttext />
                   2099: </ClosingParagraph>';
                   2100: }
                   2101: 
1.168     albertel 2102: sub get_dim_id {
1.194     albertel 2103:     if (@Apache::bridgetask::dimension) {
                   2104: 	return $Apache::bridgetask::dimension[-1];
                   2105:     } else {
                   2106: 	return $top;
                   2107:     }
1.168     albertel 2108: }
                   2109: 
1.19      albertel 2110: sub get_id {
                   2111:     my ($parstack,$safeeval)=@_;
                   2112:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   2113:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   2114:     return $id;
                   2115: }
                   2116: 
1.162     albertel 2117: sub start_Setup {
                   2118:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.225     albertel 2119:     my $result;
1.168     albertel 2120:     my $dim = &get_id($parstack,$safeeval);
                   2121:     push(@Apache::bridgetask::dimension,$dim);
1.225     albertel 2122:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
                   2123: 	&Apache::lonxml::startredirection();
                   2124:     } elsif ($target eq 'edit') {
                   2125: 	$result = &Apache::edit::tag_start($target,$token);
                   2126: 	$result.= &Apache::edit::text_arg('Id:','id',$token,10).
                   2127: 	    &Apache::edit::end_row().
                   2128: 	    &Apache::edit::start_spanning_row();
                   2129:     } elsif ($target eq 'modified') {
                   2130: 	my $constructtag=
                   2131: 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,'id');
                   2132: 	if ($constructtag) {
                   2133: 	    $result = &Apache::edit::rebuild_tag($token);
                   2134: 	}
                   2135:     }
                   2136:     return $result;
1.162     albertel 2137: }
1.173     albertel 2138: 
                   2139: {
                   2140:     my @allowed;
                   2141:     sub enable_dimension_parsing {
                   2142: 	my ($id) = @_;
                   2143: 	push(@allowed,$id);
                   2144:     }
                   2145:     sub disable_dimension_parsing {
                   2146: 	pop(@allowed);
                   2147:     }
                   2148:     sub skip_dimension_parsing {
                   2149: 	my ($check) = @_;
                   2150: 	if (!@allowed) { return 0;}
                   2151: 	# if unspecified allow any id
                   2152: 	if ($allowed[-1] eq undef) { return 0;}
                   2153: 
                   2154: 	return ($check ne $allowed[-1]);
                   2155:     }
                   2156: }
                   2157: 
1.151     albertel 2158: sub start_Question { return &start_Dimension(@_); }
1.1       albertel 2159: sub start_Dimension {
1.173     albertel 2160:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2161:     my $dim = &get_id($parstack,$safeeval);
                   2162:     my $previous_dim;
1.225     albertel 2163:     my $result;
                   2164:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   2165: 	if (@Apache::bridgetask::dimension) {
                   2166: 	    $previous_dim = $Apache::bridgetask::dimension[-1];
                   2167: 	    push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
                   2168: 		 $dim);
                   2169: 	    if(&skip_dimension_parsing($dim)) {
                   2170: 		$dimension{$previous_dim}{'criteria.'.$dim} =
                   2171: 		    $token->[4]
                   2172: 		    .&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
                   2173: 						   $style)
                   2174: 		    .'</'.$tagstack->[-1].'>';
                   2175: 	    }
                   2176: 	    $dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
                   2177: 	    $dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
                   2178: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2179: 	    push(@{$dimension{$previous_dim}{'criterias'}},$dim);
                   2180: 	    $dimension{$dim}{'nested'}=$previous_dim;
                   2181: 	    $dimension{$dim}{'depth'} = 1 + $dimension{$previous_dim}{'depth'};
                   2182: 	    
                   2183: 	    &Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
                   2184: 	} else {
                   2185: 	    $dimension{$top}{'depth'}=0;
                   2186: 	    $dimension{$top}{'criteria.'.$dim.'.type'}='dimension';
                   2187: 	    $dimension{$top}{'criteria.'.$dim.'.mandatory'}=
                   2188: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2189: 	    push(@{$dimension{$top}{'criterias'}},$dim);
                   2190: 	    $dimension{$dim}{'nested'}=$top;
                   2191: 	}
                   2192:         push(@Apache::bridgetask::dimension,$dim);
                   2193: 	&Apache::lonxml::startredirection();
                   2194: 	if (!&skip_dimension_parsing($dim)) {
                   2195: 	    &enable_dimension_parsing($dim);
                   2196: 	}
                   2197:     } elsif ($target eq 'edit') {
                   2198:   	$result = &Apache::edit::tag_start($target,$token);
                   2199: 	$result.=  
                   2200: 	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
                   2201: 	    &Apache::edit::select_arg('Passing is Mandatory:','Mandatory',
                   2202: 				      [['yes', 'Yes'],
                   2203: 				       ['no','No'],],
                   2204: 				      $token).' <br /> '.
                   2205: 	    &Apache::edit::text_arg('Required number of passed optional elements to pass the '.$token->[1].':',
                   2206: 				    'OptionalRequired',$token,4).
                   2207: 	    &Apache::edit::end_row().
                   2208: 	    &Apache::edit::start_spanning_row();
                   2209:     } elsif ($target eq 'modified') {
                   2210: 	my $constructtag=
                   2211: 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
                   2212: 					'id','Mandatory','OptionalRequired');
                   2213: 	if ($constructtag) {
                   2214: 	    $result = &Apache::edit::rebuild_tag($token);
                   2215: 	}
1.168     albertel 2216:     }
1.225     albertel 2217:     return $result;# &internal_location($dim);
1.1       albertel 2218: }
                   2219: 
1.160     albertel 2220: sub start_QuestionText {
                   2221:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.225     albertel 2222:     my $result;
                   2223:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   2224: 	my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
1.168     albertel 2225:     my $dim = &get_dim_id();
1.169     albertel 2226: 	$dimension{$dim}{'questiontext'}=$text;
1.225     albertel 2227:     } elsif ($target eq 'edit') {
                   2228: 	$result = &Apache::edit::tag_start($target,$token);
                   2229:     } elsif ($target eq 'modified') {
1.160     albertel 2230:     }
1.225     albertel 2231:     return $result;
1.160     albertel 2232: }
                   2233: 
                   2234: sub end_QuestionText {
                   2235:     return '';
                   2236: }
                   2237: 
1.227     albertel 2238: sub insert_QuestionText {
                   2239:     return '
                   2240: <QuestionText>
                   2241:     <startouttext />
                   2242:     <endouttext />
                   2243: </QuestionText>';
                   2244: }
                   2245: 
1.13      albertel 2246: sub get_instance {
1.75      albertel 2247:     my ($dim)=@_;
                   2248:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   2249:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   2250: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   2251: 	$rand_alg eq '64bit4' ) {
                   2252: 	&Apache::response::pushrandomnumber();
1.169     albertel 2253: 	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
1.75      albertel 2254: 	my $num=@order;
                   2255: 	my $version=&get_version();
                   2256: 	my $which=($version-1)%$num;
                   2257: 	return $order[$which];
                   2258:     } else {
                   2259: 	my ($version,$previous) = &get_version();
                   2260: 	my $instance = 
                   2261: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   2262: 	if (defined($instance)) { return $instance; }
                   2263: 
                   2264: 	&Apache::response::pushrandomnumber();
1.173     albertel 2265: 	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
                   2266: 	    my @instances = @{$dimension{$dim}{'instances'}};
                   2267: 	    # remove disabled instances
                   2268: 	    for (my $i=0; $i < $#instances; $i++) {
                   2269: 		if ($dimension{$dim}{$instances[$i].'.disabled'}) {
                   2270: 		    splice(@instances,$i,1);
                   2271: 		    $i--;
                   2272: 		}
                   2273: 	    }
                   2274: 	    @instances = &Math::Random::random_permutation(@instances);
                   2275: 	    $instance  = $instances[($version-1)%scalar(@instances)];
                   2276: 	    if ($version =~ /^\d$/) {
                   2277: 		$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   2278: 		    $instance;
                   2279: 		$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 2280: 	    }
                   2281: 	}
                   2282: 	&Apache::response::poprandomnumber();
                   2283: 	return $instance;
                   2284:     }
1.13      albertel 2285: }
                   2286: 
1.169     albertel 2287: sub get_criteria {
                   2288:     my ($what,$version,$dim,$id) = @_;
                   2289:     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
1.194     albertel 2290:     my $prefix = ($type eq 'criteria' && $dim ne $top) ? "$dim.$id"
                   2291: 	                                               : "$id";
1.169     albertel 2292:     my $entry = "resource.$version.0.$prefix.$what";
                   2293:     if (exists($Apache::lonhomework::results{$entry})) {
                   2294: 	return $Apache::lonhomework::results{$entry};
                   2295:     }
                   2296:     return $Apache::lonhomework::history{$entry};
                   2297: }
                   2298: 
1.194     albertel 2299: sub link {
                   2300:     my ($id) = @_;
                   2301:     $id =~ s/\./_/g;
                   2302:     return 'LC_GRADING_criteria_'.$id;
                   2303: }
                   2304: sub end_Question { return &end_Dimension(@_); }
                   2305: sub end_Dimension {
                   2306:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.225     albertel 2307:     my $result;
1.194     albertel 2308:     my $dim=&get_id($parstack,$safeeval);
1.225     albertel 2309:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   2310: 	$result=&Apache::lonxml::endredirection();
                   2311: 	if (&skip_dimension_parsing($dim)) {
                   2312: 	    pop(@Apache::bridgetask::dimension);
                   2313: 	    return;
                   2314: 	}
1.122     albertel 2315:     }
1.194     albertel 2316:     my $instance=&get_instance($dim);
                   2317:     my $version=&get_version();
                   2318:     if ($target eq 'web') {
                   2319: 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2320: 	my @instances = $instance;
                   2321: 	if (&Apache::response::showallfoils()) {
                   2322: 	    @instances = @{$dimension{$dim}{'instances'}};
1.173     albertel 2323: 	}
1.194     albertel 2324: 	my $shown_question_text;
                   2325: 	foreach my $instance (@instances) {
                   2326: 	    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2327: 				     [@_]);
                   2328: 	    $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2329: 				     [@_],{'set_dim_id' => undef});
                   2330: 	    my $task_status = 
                   2331: 		$Apache::lonhomework::history{"resource.$version.0.status"};
                   2332: 	    if ($task_status ne 'pass' && $task_status ne 'fail') {
                   2333: 		
                   2334: 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2335: 				@{$dimension{$dim}{'criterias'}}) {
                   2336: 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2337: 		    &Apache::lonxml::debug("$id is $type");
                   2338: 		    if ($type eq 'dimension') {
                   2339: 			$result.=
                   2340: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2341: 					  [@_],{'set_dim_id' => $id});
1.173     albertel 2342: 		    }
1.194     albertel 2343: 		}
                   2344: 	    } else {
                   2345: 		my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
                   2346: 		my $mandatory='Mandatory';
                   2347: 		if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
                   2348: 		    $mandatory='Optional';
                   2349: 		}
1.200     albertel 2350: 		my $dim_info=
                   2351: 		    "\n<div class='LC_$dim_status LC_question_grade'>\n\t";
1.212     albertel 2352: 		my $ucquestion = 
                   2353: 		    my $question = 
                   2354: 		    ('sub' x $dimension{$dim}{'depth'}).'question';
                   2355: 		$ucquestion =~ s/^(.)/uc($1)/e;
1.194     albertel 2356: 		if ($dim_status eq 'pass') {
1.222     albertel 2357: 		    $dim_info.='<h3>'.$ucquestion.' : you passed this '.$mandatory.' '.$question.'</h3>';
1.194     albertel 2358: 		}
                   2359: 		if ($dim_status eq 'fail') {
1.222     albertel 2360: 		    $dim_info.='<h3>'.$ucquestion.' : you did not pass this '.$mandatory.' '.$question.'</h3>';
1.194     albertel 2361: 		}
1.197     albertel 2362: 		my %counts = &get_counts($dim,$instance,$parstack,
                   2363: 					 $safeeval);
                   2364: 
1.200     albertel 2365: 		$dim_info.="\n\t<p>"
1.197     albertel 2366: 		    .&question_status_message(\%counts,
                   2367: 					      $dimension{$dim}{'depth'})
1.200     albertel 2368: 		    ."</p>\n</div>\n";
1.194     albertel 2369: 		
                   2370: 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2371: 				@{$dimension{$dim}{'criterias'}}) {
                   2372: 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2373: 		    if ($type eq 'dimension') {
1.205     albertel 2374: 			if (defined($dimension{$id}{'result'})) {
                   2375: 			    $result.=$dimension{$id}{'result'};
                   2376: 			    next;
                   2377: 			} else {
                   2378: 			    $dim_info .=
                   2379: 				&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2380: 					      [@_],{'set_dim_id' => $id});
                   2381: 			}
                   2382: 		    } else {
                   2383: 			my $criteria =
                   2384: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2385: 					  [@_]);
                   2386: 			$dim_info .= &layout_web_Criteria($dim,$id,$criteria);
1.194     albertel 2387: 		    }
1.169     albertel 2388: 		}
1.202     albertel 2389: 		# puts the results at the end of the dimension
1.226     albertel 2390: 		if ($result =~m{<QuestionGradeInfo\s*/>}) {
                   2391: 		    $result=~s{<QuestionGradeInfo\s*/>}{$dim_info};
                   2392: 		} else {
                   2393: 		    $result .= $dim_info;
                   2394: 		}
1.202     albertel 2395: 		# puts the results at the beginning of the dimension
                   2396: 		# my $internal_location=&internal_location($dim);
                   2397: 		# $result=~s/\Q$internal_location\E/$dim_info/;
1.19      albertel 2398: 	    }
1.194     albertel 2399: 	}
1.206     albertel 2400: 	if ($result !~ /^\s*$/s) {
1.209     albertel 2401: 	    # FIXME? this maybe unneccssary in the future, (CSE101 BT
                   2402: 	    # from Fall 2006 geenrate a div that attempts to hide some
                   2403: 	    # of the output in an odd way, this is a workaround so
                   2404: 	    # those old ones will continue to work.  # It puts the
                   2405: 	    # LC_question div to come after any starting closie div
                   2406: 	    # that the dimension produces
1.211     albertel 2407: 	    if ($result =~ m{^\s*</div>}) {
                   2408: 		$result =~ s{^(\s*</div>)}
1.210     albertel 2409: 		            {$1\n<div id="$dim" class="LC_question">};
1.209     albertel 2410: 	    } else {
1.210     albertel 2411: 		$result = "\n".'<div id="'.$dim.'" class="LC_question">'.
1.209     albertel 2412: 		    "\n".$result;
                   2413: 	    }
                   2414: 	    $result .= "\n</div>\n";
1.206     albertel 2415: 	}
1.194     albertel 2416:     } elsif ($target eq 'webgrade') {
                   2417: 	# in case of any side effects that we need
                   2418: 	&nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2419: 	&nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
                   2420: 	$result.=
                   2421: 	    &nested_parse(\$dimension{$dim}{'questiontext'},[@_],
                   2422: 			  {'set_dim_id'          => undef,
1.195     albertel 2423: 			   'delayed_dim_results' => 1});
1.194     albertel 2424: 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2425: 			@{$dimension{$dim}{'criterias'}} ) {
                   2426: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2427: 	    if ($type eq 'dimension') {
                   2428: 		# dimensional 'criteria' don't get assigned grades
                   2429: 		$result.=
                   2430: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2431: 				  [@_],{'set_dim_id' => $id});
                   2432: 		next;
                   2433: 	    } else {
                   2434: 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2435: 					     [@_]);
                   2436: 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
                   2437: 		my $internal_location=&internal_location($id);
1.209     albertel 2438: 		if ($result =~ m/\Q$internal_location\E/) {
                   2439: 		    $result =~ s/\Q$internal_location\E/$criteria/;
                   2440: 		} else {
                   2441: 		    $result.=$criteria ;
                   2442: 		}
1.151     albertel 2443: 	    }
1.194     albertel 2444: 	}
                   2445: 	if (&nest()) {
                   2446: 	    &Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
                   2447: 	    $dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
                   2448: 	    undef($result);
                   2449: 	}
                   2450:     } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
                   2451: 	my $optional_passed=0;
                   2452: 	my $mandatory_failed=0;
                   2453: 	my $ungraded=0;
                   2454: 	my $review=0;
                   2455: 	
                   2456: 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2457: 	$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2458: 				 [@_]);
                   2459: 	$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2460: 				 [@_],{'set_dim_id' => undef});
                   2461: 	
                   2462: 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2463: 			@{$dimension{$dim}{'criterias'}}) {
                   2464: 	    my $link=&link($id);
                   2465: 	    
                   2466: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2467: 	    if ($type eq 'criteria') {
                   2468: 		# dimensional 'criteria' don't get assigned grades
                   2469: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
                   2470: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   2471: 	    } else {
                   2472: 		$result .=
                   2473: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2474: 				  [@_],{'set_dim_id' => $id});
1.20      albertel 2475: 	    }
1.194     albertel 2476: 	    my $status= &get_criteria('status',$version,$dim,$id);
                   2477: 	    
                   2478: 	    my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   2479: 	    if ($status eq 'pass') {
                   2480: 		if (!$mandatory) { $optional_passed++; }
                   2481: 	    } elsif ($status eq 'fail') {
                   2482: 		if ($mandatory) { $mandatory_failed++; }
                   2483: 	    } elsif ($status eq 'review') {
                   2484: 		$review++;
                   2485: 	    } elsif ($status eq 'ungraded') {
                   2486: 		$ungraded++;
1.20      albertel 2487: 	    } else {
1.194     albertel 2488: 		$ungraded++;
1.20      albertel 2489: 	    }
1.194     albertel 2490: 	}
                   2491: 
                   2492: 	my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
                   2493: 	if ($opt_req !~ /\S/) {
                   2494: 	    $opt_req=
                   2495: 		&Apache::lonxml::get_param('OptionalRequired',
                   2496: 					   $parstack,$safeeval);
                   2497: 	    if ($opt_req !~ /\S/) { $opt_req = 0; }
                   2498: 	}
                   2499: 	if ($optional_passed < $opt_req) {
                   2500: 	    $mandatory_failed++;
                   2501: 	}
                   2502: 	&Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
                   2503: 	if ($review) {
                   2504: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2505: 		'review';
                   2506: 	} elsif ($ungraded) {
                   2507: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2508: 		'ungraded';
                   2509: 	} elsif ($mandatory_failed) {
                   2510: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2511: 		'fail';
1.69      albertel 2512: 	} else {
1.194     albertel 2513: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2514: 		'pass';
1.13      albertel 2515: 	}
1.225     albertel 2516:     } elsif ($target eq 'edit') {
                   2517:     } elsif ($target eq 'modified') {
1.194     albertel 2518:     } else {
                   2519: 	# any other targets no output
                   2520: 	undef($result);
1.1       albertel 2521:     }
1.225     albertel 2522:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   2523: 	&disable_dimension_parsing();
                   2524: 	pop(@Apache::bridgetask::dimension);
                   2525:     }
1.194     albertel 2526:     return $result;
                   2527: }
1.162     albertel 2528: 
1.198     albertel 2529: sub question_status_message {
1.197     albertel 2530:     my ($counts,$depth) = @_;
                   2531:     my %req  = ('man' => 'mandatory',
                   2532: 		'opt' => 'optional',);
                   2533:     my %type = ('cri' => 'criteria',
                   2534: 		'dim' => ('sub'x($depth+1)).'questions',);
                   2535:     my @sections;
                   2536:     foreach my $req ('man','opt') {
                   2537: 	foreach my $type ('cri','dim') {
                   2538: 	    if ($counts->{$req.'_'.$type}) {
                   2539: 		push(@sections,
1.213     albertel 2540: 		     $counts->{$req.'_'.$type.'_passed'}.' of the '.
1.197     albertel 2541: 		     $counts->{$req.'_'.$type}.' '.
                   2542: 		     $req{$req}.' '.$type{$type});
                   2543: 	    }
                   2544: 	}
                   2545:     }
                   2546: 
                   2547:     my $status = 'You passed ';
                   2548:     if (@sections == -1) {
                   2549:     } elsif (@sections == 1) {
                   2550: 	$status .= $sections[0];
                   2551:     } elsif (@sections == 2) {
                   2552: 	$status .= $sections[0].' and '.$sections[1];
                   2553:     } else {
                   2554: 	my $last = pop(@sections);
                   2555: 	$status .= join(', ',@sections).', and '.$last;
                   2556:     }
                   2557:     $status .= '.';
                   2558:     if ($counts->{'opt'}) {
                   2559: 	$status .= ' You were required to pass '.$counts->{'opt_req'}.
1.220     albertel 2560: 	    ' optional ';
1.219     albertel 2561: 	if ($counts->{'opt_dim'} + $counts->{'man_dim'} < 1) {
                   2562: 	    $status .=
1.220     albertel 2563: 		($counts->{'opt_req'} == 1?'criterion':'criteria');
1.219     albertel 2564: 	} else {
                   2565: 	    $status .=
1.220     albertel 2566: 		'component'.($counts->{'opt_req'} == 1?'':'s');
1.219     albertel 2567: 	}
                   2568: 	$status .= '.';
1.197     albertel 2569:     }
                   2570:     return $status;
                   2571: }
                   2572: 
                   2573: sub get_counts {
                   2574:     my ($dim,$instance,$parstack,$safeeval) = @_;
                   2575:     my %counts;
                   2576:     my @possible = ('man_cri','man_dim',
                   2577: 		    'opt_cri','opt_dim',
                   2578: 		    'man_cri_passed', 'man_dim_passed',
                   2579: 		    'opt_cri_passed', 'opt_dim_passed',
                   2580: 		    'man_passed',
                   2581: 		    'opt_passed',
                   2582: 		    'opt_req');
                   2583:     foreach my $which (@possible) { $counts{$which} = 0; }
                   2584: 
                   2585:     my $version = &get_version();
                   2586: 
                   2587:     foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
                   2588: 		     @{$dimension{$dim}{'criterias'}} ) {
                   2589: 	my $status = &get_criteria('status',$version,$dim,$id);
                   2590: 	my $which;
                   2591: 	if ($dimension{$dim}{'criteria.'.$id.'.mandatory'} 
                   2592: 	    eq 'N') {
                   2593: 	    $which = 'opt';
                   2594: 	} else {
                   2595: 	    $which = 'man';
                   2596: 	}
                   2597: 	$counts{$which}++;
                   2598: 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
                   2599: 	if ($dimension{$dim}{'criteria.'.$id.'.type'}
                   2600: 	    eq 'dimension') {
                   2601: 	    $which .= '_dim';
                   2602: 	} else {
                   2603: 	    $which .= '_cri';
                   2604: 	}
                   2605: 	$counts{$which}++;
                   2606: 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
                   2607: 
                   2608: 
                   2609:     }
                   2610:     if ($counts{'man_dim_passed'} eq $counts{'man_dim'}) {
                   2611: 	$counts{'man_dim_passed'}='all';
                   2612:     }
                   2613:     if ($counts{'man_cri_passed'} eq $counts{'man_cri'}) {
                   2614: 	$counts{'man_cri_passed'}='all';
                   2615:     }
                   2616:     
                   2617:     $counts{'opt_req'}=$dimension{$dim}{$instance.'.optionalrequired'};
                   2618:     if ($counts{'opt_req'} !~ /\S/) {
                   2619: 	$counts{'opt_req'}= &Apache::lonxml::get_param('OptionalRequired',
                   2620: 						       $parstack,$safeeval);
                   2621: 	if ($counts{'opt_req'} !~ /\S/) { $counts{'opt_req'} = 0; }
                   2622:     }
                   2623:     return %counts;
                   2624: }
                   2625: 
1.194     albertel 2626: sub end_Setup {
                   2627:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.225     albertel 2628:     my $result;
1.194     albertel 2629:     my $dim=&get_id($parstack,$safeeval);
                   2630:     my $instance=&get_instance($dim);
                   2631:     my $version=&get_version();
1.225     albertel 2632:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
                   2633: 	$result=&Apache::lonxml::endredirection();
                   2634:     }
1.194     albertel 2635:     if ($target eq 'web') {
                   2636: 	@Apache::scripttag::parser_env = @_;
                   2637: 	$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
                   2638: 	my @instances = $instance;
                   2639: 	if (&Apache::response::showallfoils()) {
                   2640: 	    @instances = @{$dimension{$dim}{'instances'}};
                   2641: 	}
                   2642: 	foreach my $instance (@instances) {
1.162     albertel 2643: 	    @Apache::scripttag::parser_env = @_;
1.194     albertel 2644: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
1.162     albertel 2645: 	    @Apache::scripttag::parser_env = @_;
1.194     albertel 2646: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
1.162     albertel 2647: 	}
1.194     albertel 2648:     } elsif ($target eq 'webgrade' 
                   2649: 	     || $target eq 'grade' && $env{'form.webgrade'}) {
                   2650: 	# in case of any side effects that we need
                   2651: 	@Apache::scripttag::parser_env = @_;
                   2652: 	&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
                   2653: 	@Apache::scripttag::parser_env = @_;
                   2654: 	&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
                   2655: 	@Apache::scripttag::parser_env = @_;
                   2656: 	&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
                   2657:     } else {
                   2658: 	# any other targets no output
                   2659: 	undef($result);
1.162     albertel 2660:     }
1.194     albertel 2661:     pop(@Apache::bridgetask::dimension);
                   2662:     return $result;
1.1       albertel 2663: }
                   2664: 
1.113     albertel 2665: sub grading_history {
1.151     albertel 2666:     my ($version,$dim,$id) = @_;
1.113     albertel 2667:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   2668: 	return '';
                   2669:     }
                   2670:     my ($result,$grader);
1.194     albertel 2671:     my $scope="resource.$version.0.";
                   2672:     $scope .= ($dim ne $top) ? "$dim.$id"
                   2673: 	                     : "$id";
1.113     albertel 2674:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   2675: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   2676: 	    my ($gname,$gdom) = 
1.138     albertel 2677: 		split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
1.113     albertel 2678: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   2679: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   2680: 							 $gname,$gdom);
                   2681: 	}
                   2682: 	my $entry;
                   2683: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   2684: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   2685: 	}
                   2686: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   2687: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   2688: 	}
                   2689: 	if ($entry) {
1.200     albertel 2690: 	    $result.= "\n\t\t<li>\n\t\t\t$grader :\n\t\t\t $entry \n\t\t</li>";
1.113     albertel 2691: 	}
                   2692:     }
                   2693:     if ($result) {
1.200     albertel 2694: 	return "\n\t".'<ul class="LC_GRADING_pastgrading">'.$result.
                   2695: 	    "\n\t".'</ul>'."\n";
1.113     albertel 2696:     }
                   2697:     return '';
                   2698: }
                   2699: 
1.1       albertel 2700: sub start_IntroParagraph {
1.87      albertel 2701:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 2702:     my $result;
1.168     albertel 2703:     my $dim = &get_dim_id();
1.153     albertel 2704:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.151     albertel 2705: 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
1.169     albertel 2706: 	    $dimension{$dim}{'intro'}=
1.151     albertel 2707: 		&Apache::lonxml::get_all_text('/introparagraph',
                   2708: 					      $parser,$style);
                   2709:        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2710: 	    &Apache::lonxml::startredirection();
1.1       albertel 2711: 	}
1.47      albertel 2712: 	
1.225     albertel 2713:     } elsif ($target eq 'edit') {
                   2714: 	$result = &Apache::edit::tag_start($target,$token);
                   2715:     } elsif ($target eq 'modified') {
1.1       albertel 2716:     }
                   2717:     return $result;
                   2718: }
                   2719: 
                   2720: sub end_IntroParagraph {
1.127     albertel 2721:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 2722:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2723: 	my $result = &Apache::lonxml::endredirection();
                   2724:     }
1.1       albertel 2725: }
                   2726: 
1.227     albertel 2727: sub insert_IntroParagraph {
                   2728:     return '
                   2729: <IntroParagraph>
                   2730:     <startouttext />
                   2731:     <endouttext />
                   2732: </IntroParagraph>';
                   2733: }
                   2734: 
1.1       albertel 2735: sub start_Instance {
                   2736:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.168     albertel 2737:     my $dim = &get_dim_id();
                   2738:     my $id  = &get_id($parstack,$safeeval);
1.169     albertel 2739:     push(@{$dimension{$dim}{'instances'}},$id);
1.168     albertel 2740:     push(@{$Apache::bridgetask::instance{$dim}},$id);
1.19      albertel 2741:     push(@Apache::bridgetask::instancelist,$id);
1.169     albertel 2742:     $dimension{$dim}{$id.'.optionalrequired'}=
1.19      albertel 2743: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 2744:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   2745:     if (lc($disabled) eq 'yes') {
1.169     albertel 2746: 	$dimension{$dim}{$id.'.disabled'}='1';
1.75      albertel 2747:     }
1.225     albertel 2748:     my $result;
                   2749:     if ($target eq 'edit') {
                   2750: 	$result = &Apache::edit::tag_start($target,$token);
                   2751: 	$result.=  
                   2752: 	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
                   2753: 	    &Apache::edit::select_arg('Instance is Disabled:','Disabled',
                   2754: 				      [['no', 'No'],
                   2755: 				       ['yes','Yes'],],
                   2756: 				      $token)
                   2757: 	    .' <br /> '.
                   2758: 	    &Apache::edit::text_arg('Required number of passed optional elements to pass the Instance:',
                   2759: 				    'OptionalRequired',$token,4)
                   2760: 	    .&Apache::edit::end_row().
                   2761: 	    &Apache::edit::start_spanning_row();
                   2762:     } elsif ($target eq 'modified') {
                   2763: 	my $constructtag=
                   2764: 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
                   2765: 					'id','OptionalRequired','Disabled');
                   2766: 	if ($constructtag) {
                   2767: 	    $result = &Apache::edit::rebuild_tag($token);
                   2768: 	}
                   2769:     }
                   2770:     return $result;
1.1       albertel 2771: }
                   2772: 
                   2773: sub end_Instance {
1.225     albertel 2774:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2775:     my $result;
                   2776:     if ($target eq 'edit') {
                   2777: 	$result = &Apache::edit::tag_end($target,$token);
                   2778:     }
                   2779:     return $result;
1.1       albertel 2780: }
                   2781: 
                   2782: sub start_InstanceText {
1.87      albertel 2783:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.225     albertel 2784:     my $result;
1.153     albertel 2785:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.225     albertel 2786: 	my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
                   2787: 	my $dim = &get_dim_id();
                   2788: 	my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.169     albertel 2789: 	$dimension{$dim}{$instance_id.'.text'}=$text;
1.225     albertel 2790:     } elsif ($target eq 'edit') {
                   2791: 	$result = &Apache::edit::tag_start($target,$token);
                   2792:     } elsif ($target eq 'modified') {
1.1       albertel 2793:     }
1.225     albertel 2794:     return $result;
1.1       albertel 2795: }
                   2796: 
                   2797: sub end_InstanceText {
                   2798:     return '';
                   2799: }
                   2800: 
1.227     albertel 2801: sub insert_InstanceText {
                   2802:     return '
                   2803: <InstanceText>
                   2804:     <startouttext />
                   2805:     <endouttext />
                   2806: </InstanceText>';
                   2807: }
                   2808: 
1.1       albertel 2809: sub start_Criteria {
1.87      albertel 2810:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.190     albertel 2811:     my $result = '';
1.21      albertel 2812:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.225     albertel 2813: 	my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.168     albertel 2814: 	my $dim = &get_dim_id();
1.19      albertel 2815: 	my $id=&get_id($parstack,$safeeval);
1.194     albertel 2816: 	if ($target eq 'web' || $target eq 'webgrade') {
1.208     albertel 2817: 	    if ($target eq 'webgrade') {
1.195     albertel 2818: 		&Apache::lonxml::debug(" for $dim $id stashing results into $dim ");
                   2819: 		$dimension{$dim}{'result'} .= &internal_location($id);
                   2820: 	    } else {
                   2821: 		&Apache::lonxml::debug(" not stashing $dim $id");
1.206     albertel 2822: 		#$result .= &internal_location($id);
1.195     albertel 2823: 	    }
1.194     albertel 2824: 	}
1.169     albertel 2825: 	&Apache::lonxml::debug("Criteria $id with $dim");
1.151     albertel 2826: 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
1.168     albertel 2827: 	    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.169     albertel 2828: 	    $dimension{$dim}{"criteria.$instance_id.$id"}=$criteria;
                   2829: 	    $dimension{$dim}{"criteria.$instance_id.$id.type"}='criteria';
                   2830: 	    $dimension{$dim}{"criteria.$instance_id.$id.mandatory"}=
1.151     albertel 2831: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 2832: 	    push(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
1.151     albertel 2833: 	} else {
1.169     albertel 2834: 	    $dimension{$dim}{'criteria.'.$id}=$criteria;
                   2835: 	    $dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
                   2836: 	    $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
1.151     albertel 2837: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 2838: 	    push(@{$dimension{$dim}{'criterias'}},$id);
1.194     albertel 2839: 	}
1.225     albertel 2840:     } elsif ($target eq 'edit') {
                   2841: 	$result .=&Apache::edit::tag_start($target,$token);
                   2842: 	$result.=  
                   2843: 	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
                   2844: 	    &Apache::edit::select_arg('Passing is Mandatory:','Mandatory',
                   2845: 				      [['yes', 'Yes'],
                   2846: 				       ['no','No'],],
                   2847: 				      $token)
                   2848: 	    .' <br /> '.&Apache::edit::end_row().
                   2849: 	    &Apache::edit::start_spanning_row();
                   2850:     } elsif ($target eq 'modified') {
                   2851: 	my $constructtag=
                   2852: 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
                   2853: 					'id','Mandatory');
                   2854: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.194     albertel 2855:     }
                   2856:     return $result;
                   2857: }
                   2858: 
                   2859: sub layout_web_Criteria {
                   2860:     my ($dim,$id,$criteria) = @_;
1.190     albertel 2861: 
1.194     albertel 2862:     my $version = &get_version();
                   2863:     my $status= &get_criteria('status', $version,$dim,$id);
                   2864:     my $comment=&get_criteria('comment',$version,$dim,$id);
                   2865:     my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   2866:     if ($mandatory) {
                   2867: 	$mandatory='Mandatory';
                   2868:     } else {
                   2869: 	$mandatory='Optional';
1.1       albertel 2870:     }
1.194     albertel 2871:     my $status_display=$status;
                   2872:     $status_display=~s/^([a-z])/uc($1)/e;
                   2873:     my $criteria_info.=
1.200     albertel 2874: 	'<div class="LC_'.$status.' LC_criteria">'."\n\t".'<h4>'
1.204     albertel 2875: 	.$mandatory.' Criteria</h4>'."\n\t".'<p class="LC_criteria_text">'
                   2876: 	."\n";
1.202     albertel 2877:     $criteria =~ s/^\s*//s;
                   2878:     $criteria =~ s/\s*$//s;
1.194     albertel 2879:     $criteria_info.= $criteria;
1.200     albertel 2880:     $criteria_info.="\n\t".'</p>'.
                   2881: 	"\n\t".'<p class="LC_grade">'.$status_display.'</p>';
1.194     albertel 2882:     if ($comment =~ /\w/) {
1.200     albertel 2883: 	$criteria_info.=
                   2884: 	    "\n\t".
                   2885: 	    '<p class="LC_comment">'.&mt('Comment: [_1]',$comment).'</p>';
1.194     albertel 2886:     }
1.200     albertel 2887:     $criteria_info.="\n".'</div>'."\n";
                   2888:     
1.194     albertel 2889:     return $criteria_info;
                   2890: }
                   2891: 
                   2892: sub layout_webgrade_Criteria {
                   2893:     my ($dim,$id,$criteria) = @_;
                   2894:     my $link=&link($id);
                   2895:     my $version = &get_version();
                   2896:     my $status  = &get_criteria('status',$version,$dim,$id);
1.200     albertel 2897:     my %lt = ( 'ungraded' => 'Ungraded',
                   2898: 	       'fail'     => 'Fail',
                   2899: 	       'pass'     => 'Pass',
                   2900: 	       'review'   => 'Review',
                   2901: 	       'comment'  => 'Additional Comment for Student',
                   2902: 	       );
                   2903:     %lt = &Apache::lonlocal::texthash(%lt);
                   2904:     my $comment = &get_criteria('comment',$version,$dim,$id);
                   2905:     $comment = &HTML::Entities::encode($comment,'<>"&');
                   2906:     my %checked;
                   2907:     foreach my $which ('ungraded','fail','pass','review') {
                   2908: 	if ($status eq $which) { $checked{$which} = 'checked="checked"'; }
                   2909:     }
                   2910:     if (!%checked) { $checked{'ungraded'} = 'checked="checked"'; }
1.201     albertel 2911:     my $buttons;
                   2912:     foreach my $which  ('ungraded','fail','pass','review') {
                   2913: 	$buttons .= <<END_BUTTON;
                   2914: 		<label class="LC_GRADING_$which">
                   2915: 			<input type="radio" name="HWVAL_$link" value="$which" $checked{$which} />
                   2916: 			$lt{$which}
                   2917: 		</label>
                   2918: END_BUTTON
                   2919:     }
1.202     albertel 2920:     $criteria =~ s/^\s*//s;
                   2921:     $criteria =~ s/\s*$//s;
1.200     albertel 2922:     my $result = <<END_CRITERIA;
1.201     albertel 2923: <div class="LC_GRADING_criteria">
                   2924: 	<div class="LC_GRADING_criteriatext">
                   2925: 		$criteria
                   2926: 	</div>
                   2927: 	<div class="LC_GRADING_grade">
                   2928: $buttons
                   2929: 	</div>
                   2930: 	<label class="LC_GRADING_comment">
                   2931: 		$lt{'comment'}
                   2932: 		<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_$link">$comment</textarea>
                   2933: 	</label>
                   2934: </div>
1.200     albertel 2935: END_CRITERIA
                   2936:     $result .= &grading_history($version,$dim,$id);
1.190     albertel 2937:     return $result;
1.1       albertel 2938: }
                   2939: 
1.47      albertel 2940: sub end_Criteria {
1.225     albertel 2941:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2942:     if ($target eq 'edit') {
                   2943:     } elsif ($target eq 'modified') {
                   2944:     }
                   2945: }
1.227     albertel 2946: sub insert_Criteria {
                   2947:     return '
                   2948: <Criteria>
                   2949:     <CriteriaText>
                   2950:         <startouttext />
                   2951:         <endouttext />
                   2952:     </CriteriaText>
                   2953: </Criteria>';
                   2954: }
1.225     albertel 2955: 
                   2956: sub start_CriteriaText {
                   2957:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2958:     my $result;
                   2959:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   2960: 	
                   2961:     } elsif ($target eq 'edit') {
                   2962: 	$result = &Apache::edit::tag_start($target,$token);
                   2963:     } elsif ($target eq 'modified') {
                   2964:     }
                   2965:     return $result;
                   2966: }
                   2967: 
                   2968: sub end_CriteriaText {
                   2969:     return '';
1.47      albertel 2970: }
                   2971: 
1.227     albertel 2972: sub insert_CriteriaText {
                   2973:     return '
                   2974: <CriteriaText>
                   2975:     <startouttext />
                   2976:     <endouttext />
                   2977: </CriteriaText>';
                   2978: }
                   2979: 
1.186     albertel 2980: sub start_GraderNote {
                   2981:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.225     albertel 2982:     my $result;
1.186     albertel 2983:     if ($target eq 'webgrade') {
1.225     albertel 2984: 	$result = '<div class="LC_GRADING_gradernote"><b>'.
1.187     albertel 2985: 	    &mt('Note to graders:').'</b>';
1.225     albertel 2986:     } elsif ($target eq 'edit') {
                   2987: 	$result = &Apache::edit::tag_start($target,$token);
                   2988:     } elsif ($target eq 'modified') {
                   2989:     } elsif ($target eq 'web' || $target eq 'grade') {
                   2990: 	my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style); 
1.186     albertel 2991:     }
1.225     albertel 2992:     return $result;
1.186     albertel 2993: }
                   2994: 
                   2995: sub end_GraderNote {
                   2996:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2997: 
                   2998:     if ($target eq 'webgrade') {
                   2999: 	return '</div>';
                   3000:     }
                   3001:     return;
                   3002: }
                   3003: 
1.227     albertel 3004: sub insert_GraderNote {
                   3005:     return '
                   3006: <GraderNote>
                   3007:     <startouttext />
                   3008:     <endouttext />
                   3009: </GraderNote>';
                   3010: }
1.186     albertel 3011: 
                   3012: 
1.4       albertel 3013: sub proctor_validation_screen {
                   3014:     my ($slot) = @_;
1.185     albertel 3015:     my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
1.5       albertel 3016:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.230   ! albertel 3017:     if ($url ne '/adm/lonKaputt/lonlogo_broken.gif') {
        !          3018: 	$url = "<tr><td colspan=\"2\"><img src=\"$url\" /></td></tr>";
        !          3019:     } else {
        !          3020: 	undef($url);
        !          3021:     }
        !          3022: 
1.44      albertel 3023:     my $name=&Apache::loncommon::plainname($user,$domain);
                   3024:     
1.4       albertel 3025:     my $msg;
1.11      albertel 3026:     if ($env{'form.proctorpassword'}) {
1.230   ! albertel 3027: 	$msg.='<p><span class="LC_warning">'
        !          3028: 	    .&mt("Failed to authenticate the proctor.")
        !          3029: 	    .'</span></p>';
1.4       albertel 3030:     }
1.230   ! albertel 3031: 
        !          3032:     my $valid;
        !          3033:     my @possible_proctors=split(",",$slot->{'proctor'});
        !          3034:     foreach my $proctor (@possible_proctors) {
        !          3035: 	if ($proctor =~ /$LONCAPA::username_re:$LONCAPA::domain_re/) {
        !          3036: 	    $valid = 1;
        !          3037: 	    last;
        !          3038: 	}
        !          3039:     }
        !          3040:     if (!$valid) {
        !          3041: 	$msg.='<p><span class="LC_error">'
        !          3042: 	    .&mt("No valid poctors are defined.")
        !          3043: 	    .'</span></p>';
        !          3044:     }
        !          3045:     
1.47      albertel 3046:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.229     albertel 3047:     my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
                   3048:     $uri = &HTML::Entities::encode($uri,'<>&"');
1.4       albertel 3049:     my $result= (<<ENDCHECKOUT);
                   3050: <h2>Proctor Validation</h2>
                   3051:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   3052:     $msg
1.229     albertel 3053: <form name="checkout" method="post" action="$uri">
1.4       albertel 3054: <input type="hidden" name="validate" value="yes" />
                   3055: <input type="hidden" name="submitted" value="yes" />
                   3056: <table>
1.44      albertel 3057:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 3058:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 3059:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 3060: </table>
                   3061: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 3062: <table border="1">
                   3063:   <tr><td>
                   3064:     <table>
                   3065:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   3066:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 3067:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.138     albertel 3068:       <tr><td>Usename</td><td>$user:$domain</td></tr>
1.230   ! albertel 3069:       $url
1.44      albertel 3070:     </table>
                   3071:   </tr></td>
                   3072: </table>
1.4       albertel 3073: </form>
                   3074: ENDCHECKOUT
                   3075:     return $result;
                   3076: }
                   3077: 
1.1       albertel 3078: 1;
                   3079: __END__

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