Annotation of loncom/homework/bridgetask.pm, revision 1.214

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.214   ! albertel    4: # $Id: bridgetask.pm,v 1.213 2006/12/01 22:53:08 albertel Exp $
1.1       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: ###
                     29: 
                     30: 
                     31: package Apache::bridgetask; 
                     32: 
                     33: use strict;
                     34: use Apache::lonnet;
                     35: use Apache::File();
                     36: use Apache::lonmenu;
                     37: use Apache::lonlocal;
                     38: use Apache::lonxml;
1.37      albertel   39: use Apache::slotrequest();
1.1       albertel   40: use Time::HiRes qw( gettimeofday tv_interval );
1.158     www        41: use lib '/home/httpd/lib/perl/';
                     42: use LONCAPA;
                     43:  
1.9       albertel   44: 
1.1       albertel   45: BEGIN {
1.186     albertel   46:     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','GraderNote','ClosingParagraph'));
1.1       albertel   47: }
                     48: 
1.169     albertel   49: my %dimension;
1.194     albertel   50: my $top = 'top';
                     51: 
1.9       albertel   52: sub initialize_bridgetask {
                     53:     # id of current Dimension, 0 means that no dimension is current 
                     54:     # (inside <Task> only)
1.178     albertel   55:     @Apache::bridgetask::dimension=();
1.9       albertel   56:     # list of all current Instance ids
1.168     albertel   57:     %Apache::bridgetask::instance=();
1.9       albertel   58:     # list of all Instance ids seen in this problem
                     59:     @Apache::bridgetask::instancelist=();
1.15      albertel   60:     # key of queud user data that we are currently grading
                     61:     $Apache::bridgetask::queue_key='';
1.169     albertel   62:     undef(%dimension);
1.9       albertel   63: }
                     64: 
1.4       albertel   65: sub proctor_check_auth {
1.81      albertel   66:     my ($slot_name,$slot,$type)=@_;
1.11      albertel   67:     my $user=$env{'form.proctorname'};
                     68:     my $domain=$env{'form.proctordomain'};
1.4       albertel   69:     
                     70:     my @allowed=split(",",$slot->{'proctor'});
                     71:     foreach my $possible (@allowed) {
1.138     albertel   72: 	my ($puser,$pdom)=(split(':',$possible));
1.4       albertel   73: 	if ($puser eq $user && $pdom eq $domain) {
1.72      albertel   74: 	    my $authenticated=0;
                     75: 	    if ( $slot->{'secret'} =~ /\S/ &&
                     76: 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
                     77: 		$authenticated=1;
                     78: 	    } else {
                     79: 		
                     80: 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
                     81: 		if ($authhost ne 'no_host') {
                     82: 		    $authenticated=1;
                     83: 		}
                     84: 	    }
1.150     albertel   85: 	    if ($authenticated) {
1.176     albertel   86: 		&check_in($type,$user,$domain,$slot_name);
1.4       albertel   87: 		return 1;
                     88: 	    }
                     89: 	}
                     90:     }
                     91:     return 0;
                     92: }
                     93: 
1.174     albertel   94: sub check_in {
                     95:     my ($type,$user,$domain,$slot_name) = @_;
                     96:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                     97:     if ( $useslots eq 'map_map') {
                     98: 	&check_in_sequence($user,$domain,$slot_name);
                     99:     } else {
                    100: 	&create_new_version($type,$user,$domain,$slot_name);
                    101:     }
                    102:     return 1;
                    103: }
                    104: 
                    105: sub check_in_sequence {
                    106:     my ($user,$domain,$slot_name) = @_;
                    107:     my $navmap = Apache::lonnavmaps::navmap->new();
1.185     albertel  108:     my ($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: 	$result .= '<div class="LC_task">'."\n";
                    594:     }
1.123     albertel  595: 
1.74      albertel  596:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.147     albertel  597: 	if ($Apache::lonhomework::queuegrade
                    598: 	    || $Apache::lonhomework::modifygrades) {
1.141     albertel  599: 	    $result.='<form name="gradesubmission" method="post" action="';
1.13      albertel  600: 	    my $uri=$env{'request.uri'};
                    601: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.200     albertel  602: 	    $result.=$uri.'">'.&add_grading_button()."</form>\n";
1.38      albertel  603: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  604: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.141     albertel  605: 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  606: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    607: 		    '<input type="hidden" name="command" value="showslots" />'.
                    608: 		    '<input type="submit" name="requestattempt" value="'.
                    609: 		    &mt('Show Slot list').'" />'.
                    610: 		    '</form>';
1.108     albertel  611: 		my $target_id = 
                    612: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    613: 							     part => '0'});
1.141     albertel  614: 		$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  615: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    616: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    617: 		    '<input type="submit" name="grading" value="'.
                    618: 		    &mt('Show Grading Status').'" />'.
                    619: 		    '</form>';
1.40      albertel  620: 	    }
1.13      albertel  621: 	}
1.8       albertel  622:     }
1.74      albertel  623:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    624: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    625:     }
1.163     albertel  626:     if ($target eq 'web' 
                    627: 	|| ($target eq 'grade' && !$env{'form.webgrade'}) 
                    628: 	|| $target eq 'answer' 
                    629: 	|| $target eq 'tex') {
1.29      albertel  630: 	my ($version,$previous)=&get_version();
1.14      albertel  631: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  632: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.152     albertel  633: 	if ($status eq 'CAN_ANSWER' && $version eq '') {
1.177     albertel  634: 	    # CAN_ANSWER mode, and no current version, unproctored access
1.174     albertel  635: 	    # thus self-checkedin
1.177     albertel  636: 	    &check_in('Task',undef,undef,$slot_name);
1.152     albertel  637: 	    &add_to_queue('gradingqueue',{'type' => 'Task',
                    638: 					  'time' => time,
                    639: 					  'slot' => $slot_name});
1.150     albertel  640: 	    ($version,$previous)=&get_version();
                    641: 	}
                    642: 
1.9       albertel  643: 	push(@Apache::inputtags::status,$status);
1.14      albertel  644: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  645: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  646: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  647: 	&Apache::run::run($expression,$safeeval);
                    648: 	&Apache::lonxml::debug("Got $status");
1.141     albertel  649: 	$result.=&add_previous_version_button($status);
1.54      albertel  650: 	if (!&show_task($status,$previous)) {
1.87      albertel  651: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  652: 	    if ( $target eq "web" ) {
1.74      albertel  653: 		if ($env{'request.state'} eq 'construct') {
                    654: 		    $result.=$form_tag_start;
                    655: 		}
1.4       albertel  656: 		my $msg;
1.1       albertel  657: 		if ($status eq 'UNAVAILABLE') {
                    658: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  659: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    660: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  661: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  662: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    663: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    664: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  665: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    666: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  667: 		} elsif ($env{'form.donescreen'}) {
1.167     albertel  668: 		    $result .= &done_screen($version);
1.1       albertel  669: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    670: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    671: 		}
                    672: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    673: 		    $msg.='The problem '.$accessmsg;
                    674: 		}
                    675: 		$result.=$msg.'<br />';
                    676: 	    } elsif ($target eq 'tex') {
                    677: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    678: 		if ($status eq 'UNAVAILABLE') {
                    679: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    680: 		} else {
                    681: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    682: 		}
1.22      albertel  683: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  684: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  685: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    686: 		       && defined($Apache::inputtags::slot_name)) {
1.148     albertel  687: 			my $result=
                    688: 			    &add_to_queue('gradingqueue',
1.152     albertel  689: 					  {'type' => 'Task',
1.148     albertel  690: 					   'time' => time,
                    691: 					   'slot' => 
                    692: 					       $Apache::inputtags::slot_name});
1.77      albertel  693: 			&Apache::lonxml::debug("add_to_queue said $result");
                    694: 		    }
1.4       albertel  695: 		}
1.1       albertel  696: 	    }
                    697: 	} elsif ($target eq 'web') {
1.141     albertel  698: 
1.57      albertel  699: 	    $result.=&preserve_grade_info();
1.194     albertel  700: 	    $result.=&internal_location(); 
1.200     albertel  701: 	    $result.=$form_tag_start."\t".
1.36      albertel  702: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  703: 	    &Apache::lonxml::startredirection();
1.1       albertel  704: 	}
1.21      albertel  705:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    706: 	      $target eq 'webgrade') {
1.32      albertel  707: 	my $webgrade='yes';
1.21      albertel  708: 	if ($target eq 'webgrade') {
1.141     albertel  709: 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
1.124     albertel  710: 		'<script type="text/javascript" 
1.126     albertel  711:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  712: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    713: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  714: 	}
1.194     albertel  715: 
1.105     albertel  716: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  717: 
                    718: 	if ($todo) {
                    719: 	    &setup_env_for_other_user($todo,$safeeval);
                    720: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    721: 	    $result.="\n".'<table><tr><td>Found '.
                    722: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    723: 	    $form_tag_start.=
                    724: 		'<input type="hidden" name="gradingkey" value="'.
1.158     www       725: 		&escape($todo).'" />';
1.33      albertel  726: 	    $Apache::bridgetask::queue_key=$todo;
                    727: 	    &Apache::structuretags::initialize_storage();
                    728: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  729: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    730: 		$form_tag_start.=
                    731: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  732: 	    }
1.15      albertel  733: 	} else {
1.33      albertel  734: 	    if ($target eq 'webgrade') {
                    735: 		$result.="\n";
1.81      albertel  736: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    737: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  738: 		if      ($status_code eq 'stop') {
1.81      albertel  739: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.163     albertel  740: 		} elsif ($status_code eq 'cancel') {
                    741: 		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
1.164     albertel  742: 		} elsif ($status_code eq 'never_versioned') {
                    743: 		    $result.='<b>'.
                    744: 			&mt("Requested user has never accessed the task.").
                    745: 			'</b>'.$back;
1.165     albertel  746: 		} elsif ($status_code =~ /still_open:(.*)/) {
                    747: 		    my $date = &Apache::lonlocal::locallocaltime($1);
                    748: 		    $result.='<b>'.
                    749: 			&mt("Task is still open, will close at [_1].",$date).
                    750: 			'</b>'.$back;
1.33      albertel  751: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  752: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  753: 			.'</b>'.$back;
1.33      albertel  754: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  755: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    756: 			.'</b>'.$back;
1.33      albertel  757: 		    $result.=&show_queue($env{'form.queue'},1);
                    758: 		} elsif ($status_code eq 'show_list') {
                    759: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  760: 		} elsif ($status_code eq 'select_user') {
                    761: 		    $result.=&select_user();
1.95      albertel  762: 		} elsif ($status_code eq 'unable') {
                    763: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  764: 		} elsif ($status_code eq 'not_allowed') {
                    765: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  766: 		} else {
1.81      albertel  767: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  768: 		}
1.21      albertel  769: 	    }
1.33      albertel  770: 	    $webgrade='no';
1.163     albertel  771: 	}
                    772: 	if (!$todo || $env{'form.cancel'}) {
1.87      albertel  773: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  774: 	}
                    775: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  776: 	    if ($webgrade eq 'yes') {
                    777: 		$result.=&submission_time_stamp();
                    778: 	    }
1.32      albertel  779: 	    $result.=$form_tag_start;
                    780: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    781: 		$webgrade.'" />';
                    782: 	    $result.='<input type="hidden" name="queue" value="'.
                    783: 		$env{'form.queue'}.'" />';
1.52      albertel  784: 	    if ($env{'form.regrade'}) {
                    785: 		$result.='<input type="hidden" name="regrade" value="'.
                    786: 		    $env{'form.regrade'}.'" />';
                    787: 	    }
1.62      albertel  788: 	    if ($env{'form.chosensections'}) {
                    789: 		my @chosen_sections=
                    790: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    791: 		foreach my $sec (@chosen_sections) {
                    792: 		    $result.='<input type="hidden" name="chosensections" 
                    793:                                value="'.$sec.'" />';
                    794: 		}
                    795: 	    }
1.70      albertel  796: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  797: 	}
1.110     albertel  798: 	if ($target eq 'webgrade') {
1.120     albertel  799: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.194     albertel  800: 	    &Apache::lonxml::startredirection();
1.208     albertel  801: 	    &start_delay();
                    802: 	    $dimension{$top}{'result'}=$result;
                    803: 	    undef($result);
1.110     albertel  804: 	}
1.74      albertel  805:     } elsif ($target eq 'edit') {
1.141     albertel  806: 	$result.=$form_tag_start.
1.74      albertel  807: 	    &Apache::structuretags::problem_edit_header();
                    808: 	$Apache::lonxml::warnings_error_header=
                    809: 	    &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 />";
                    810: 	my $temp=&Apache::edit::insertlist($target,$token);
                    811: 	$result.=$temp;
1.1       albertel  812:     } else {
                    813: 	# page_start returned a starting result, delete it if we don't need it
                    814: 	$result = '';
                    815:     }
                    816:     return $result;
                    817: }
                    818: 
1.165     albertel  819: sub get_task_end_time {
                    820:     my ($queue_entry,$symb,$udom,$uname) = @_;
                    821: 
                    822:     my $end_time;
                    823:     if (my $slot = &slotted_access($queue_entry)) {
                    824: 	my %slot_data=&Apache::lonnet::get_slot($slot);
                    825: 	$end_time = $slot_data{'endtime'};
                    826:     } else {
                    827: 	$end_time = &Apache::lonhomework::due_date('0',$symb,
                    828: 						   $udom,$uname);
                    829:     }
                    830:     return $end_time;
                    831: }
                    832: 
1.32      albertel  833: sub get_key_todo {
                    834:     my ($target)=@_;
                    835:     my $todo;
1.33      albertel  836: 
                    837:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  838: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  839: 	$env{'form.queue'}='reviewqueue';
                    840: 	return (undef,'show_list');
                    841:     }
                    842: 
                    843:     if (defined($env{'form.reviewagrading'})) {
                    844: 	&Apache::lonxml::debug("review a grading....");
                    845: 	$env{'form.queue'}='gradingqueue';
                    846: 	return (undef,'show_list');
                    847:     }
                    848: 
1.49      albertel  849:     if (defined($env{'form.regradeasubmission'})) {
                    850: 	&Apache::lonxml::debug("regrade a grading....");
                    851: 	$env{'form.queue'}='none';
                    852: 	return (undef,'select_user');
                    853:     }
                    854: 
1.105     albertel  855: 
1.138     albertel  856:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.105     albertel  857: 
                    858:     #need to try both queues..
                    859:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    860: 	defined($env{'form.gradinguser'})               &&
                    861: 	defined($env{'form.gradingdomain'})               ) {
1.185     albertel  862: 	my ($symb,$cid)=&Apache::lonnet::whichuser();
1.105     albertel  863: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    864: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    865: 	my $uname = $env{'form.gradinguser'};
                    866: 	my $udom  = $env{'form.gradingdomain'};
                    867: 
                    868: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    869: 
                    870: 	my $queue;
                    871: 
                    872: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    873: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    874: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    875: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    876: 	}
                    877: 	
                    878: 	if (!$queue) {
                    879: 	    $env{'form.queue'} = $queue = 'none';
                    880: 	    #not queued so doing either a re or pre grade
1.164     albertel  881: 	    my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
                    882: 	    if ($status{'resource.0.version'} < 1) {
                    883: 		return (undef,'never_versioned');
                    884: 	    }
1.105     albertel  885: 	    return ($gradingkey);
                    886: 	}
                    887: 
1.165     albertel  888: 	if ($queue) {
                    889: 	    my $queue_entry = &get_queue_data($queue,$udom,$uname);
                    890: 	
                    891: 	    my $end_time = &get_task_end_time($queue_entry,$symb,
                    892: 					      $udom,$uname);
                    893: 	    if ($end_time > time) {
                    894: 		return (undef,"still_open:$end_time");
                    895: 	    }
                    896: 	}
                    897: 
1.105     albertel  898: 	my $who=&queue_key_locked($queue,$gradingkey);
                    899: 	if ($who eq $me) {
                    900: 	    #already have the lock
1.158     www       901: 	    $env{'form.gradingkey'}=&escape($gradingkey);
1.163     albertel  902: 	    &Apache::lonxml::debug("already locked");
1.105     albertel  903: 	    return ($gradingkey);
                    904: 	}
                    905: 	
                    906: 	if (!defined($who)) {
                    907: 	    if (&lock_key($queue,$gradingkey)) {
1.163     albertel  908: 		&Apache::lonxml::debug("newly locked");
1.105     albertel  909: 		return ($gradingkey);
                    910: 	    } else {
                    911: 		return (undef,'lock_failed');
                    912: 	    }
                    913: 	}
                    914: 
                    915: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    916: 	return (undef,'not_allowed',
                    917: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
1.138     albertel  918: 		    $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
1.105     albertel  919:     }
                    920: 
                    921: 
1.32      albertel  922:     my $queue=$env{'form.queue'};
1.33      albertel  923: 
1.32      albertel  924:     if (!defined($queue)) {
                    925: 	$env{'form.queue'}=$queue='gradingqueue';
                    926:     }
1.33      albertel  927: 
1.158     www       928:     my $gradingkey=&unescape($env{'form.gradingkey'});
1.33      albertel  929: 
1.49      albertel  930:     if ($env{'form.queue'} eq 'none') {
                    931: 	if (defined($env{'form.gradingkey'})) {
                    932: 	    if ($target eq 'webgrade') {
                    933: 		if ($env{'form.stop'}) {
                    934: 		    return (undef,'stop');
1.163     albertel  935: 		} elsif ($env{'form.cancel'}) {
                    936: 		    return (undef,'cancel');
1.49      albertel  937: 		} elsif ($env{'form.next'}) {
1.59      albertel  938: 		    return (undef,'select_user');
1.49      albertel  939: 		}
                    940: 	    }
                    941: 	    return ($gradingkey,'selected');
                    942: 	} else {
1.59      albertel  943: 	    return (undef,'select_user');
1.49      albertel  944: 	}
                    945:     }
1.32      albertel  946:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  947: 	&& !defined($env{'form.gradingaction'}) 
                    948: 	&& $env{'form.queuemode'} eq 'selected') {
                    949: 	
                    950: 	my $who=&queue_key_locked($queue,$gradingkey);
                    951: 	if ($who eq $me) {
                    952: 	    &Apache::lonxml::debug("Found a key was given to me");
                    953: 	    return ($gradingkey,'selected');
                    954: 	} else {
                    955: 	    return (undef,'show_list');
                    956: 	}
                    957: 
                    958:     }
                    959: 
                    960:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    961: 	if ($env{'form.gradingaction'} eq 'resume') {
                    962: 	    delete($env{'form.gradingaction'});
                    963: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  964: 	    return ($gradingkey);
1.33      albertel  965: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    966: 	    &Apache::lonxml::debug("Unlocking a key ".
                    967: 				     &check_queue_unlock($queue,$gradingkey,1));
                    968: 	    return (undef,'unlock');
                    969: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    970: 	    &Apache::lonxml::debug("Locking a key");
                    971: 	    if (&lock_key($queue,$gradingkey)) {
                    972: 		&Apache::lonxml::debug("Success $queue");
                    973: 		return ($gradingkey);
                    974: 	    }
                    975: 	    &Apache::lonxml::debug("Failed $queue");
                    976: 	    return (undef,'lock_failed');
1.32      albertel  977: 	}
                    978:     }
1.33      albertel  979: 
                    980:     if ($env{'form.queuemode'} ne 'selected') {
                    981: 	# don't get something new from the queue if they hit the stop button
1.163     albertel  982:     	if (!(($env{'form.cancel'} || $env{'form.stop'}) 
                    983: 	      && $target eq 'webgrade') 
1.33      albertel  984: 	    && !$env{'form.gradingaction'}) {
                    985: 	    &Apache::lonxml::debug("Getting anew $queue");
                    986: 	    return (&get_from_queue($queue));
                    987: 	} else {
                    988: 	    return (undef,'stop');
                    989: 	}
1.32      albertel  990:     }
1.33      albertel  991:     return (undef,undef)
1.32      albertel  992: }
1.94      albertel  993: 
                    994: sub minimize_storage {
                    995:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    996: 	if ($key =~ /regrader$/) { next; }
                    997: 	if ($Apache::lonhomework::results{$key} eq
                    998: 	    $Apache::lonhomework::history{$key}) {
                    999: 	    delete($Apache::lonhomework::results{$key});
                   1000: 	}
                   1001:     }
                   1002: }
                   1003: 
1.1       albertel 1004: sub end_Task {
                   1005:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1006:     my $result='';
                   1007:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel 1008:     my ($version,$previous)=&get_version();
1.1       albertel 1009:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel 1010: 	$target eq 'tex') {
1.69      albertel 1011: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel 1012: 	    if ($target eq 'web') {
1.54      albertel 1013: 		if (&show_task($status,$previous)) {
                   1014: 		    $result.=&Apache::lonxml::endredirection();
                   1015: 		}
1.64      albertel 1016: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                   1017: 		    !$env{'form.donescreen'}) {
1.15      albertel 1018: 		    $result.="\n".'<table border="1">'.
1.28      albertel 1019: 			&Apache::inputtags::file_selector("$version.0",
                   1020: 							  "bridgetask","*",
1.46      albertel 1021: 							  'portfolioonly',
                   1022: 							  '
                   1023: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                   1024: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel 1025: 							  "</table>";
1.77      albertel 1026: 		}
1.78      albertel 1027: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                   1028: 		    &show_task($status,$previous)) {
1.9       albertel 1029: 		    $result.=&Apache::inputtags::gradestatus('0');
1.199     albertel 1030: 		}
                   1031: 		
                   1032: 		$result.='</form>';
                   1033: 
                   1034: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                   1035: 		    &show_task($status,$previous)) {
1.116     albertel 1036: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel 1037: 		    $result.=<<DONEBUTTON;
1.115     albertel 1038: <form name="done" method="post" action="$action">
1.64      albertel 1039:    <input type="hidden" name="donescreen" value="1" />
                   1040:    <input type="submit" value="Done" />
                   1041: </form>
                   1042: DONEBUTTON
1.77      albertel 1043:                 }
1.56      albertel 1044: 		if (&show_task($status,$previous) &&
1.89      albertel 1045: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                   1046: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel 1047: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel 1048: 
1.149     albertel 1049: 		    my $start_time;
                   1050: 
1.80      albertel 1051: 		    my $slot_name=
1.89      albertel 1052: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.149     albertel 1053: 		    if ($slot_name) {
                   1054: 			my %slot=&Apache::lonnet::get_slot($slot_name);
                   1055: 
                   1056: 			$start_time=$slot{'starttime'}
                   1057: 		    } else {
                   1058: 			$start_time= 
                   1059: 			    &Apache::lonnet::EXT('resource.0.opendate');
                   1060: 		    }
                   1061: 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
1.54      albertel 1062: 
1.200     albertel 1063: 		    my $status = 
1.213     albertel 1064: 			"\n<div class='LC_$bt_status LC_criteria LC_task_overall_status'>\n\t";
1.54      albertel 1065: 		    
1.213     albertel 1066: 		    my $dim = $top;
                   1067: 		    my %counts = &get_counts($dim,undef,$parstack,
                   1068: 					     $safeeval);
                   1069: 		    my $question_status ="\n\t<p>".
                   1070: 			&question_status_message(\%counts,-1).
                   1071: 			"</p>\n";
                   1072: 
1.54      albertel 1073: 		    if ($bt_status eq 'pass')  {
                   1074: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel 1075: 			    $start_time.'</h2>';
1.213     albertel 1076: 			$status.=$question_status;
1.54      albertel 1077: 		    }
                   1078: 		    if ($bt_status eq 'fail')  {
                   1079: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel 1080: 			    $start_time.'</h2>';
1.213     albertel 1081: 			$status.=$question_status;
1.54      albertel 1082: 			if (!$previous) {
                   1083: 			    $status.=&add_request_another_attempt_button();
                   1084: 			}
                   1085: 		    }
1.213     albertel 1086: 		    
1.200     albertel 1087: 		    $status.="\n".'</div>'."\n";
1.194     albertel 1088: 
                   1089: 		    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
                   1090: 			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1091: 			if ($type eq 'dimension') {
                   1092: 			    $result.=$dimension{$id}{'result'};
                   1093: 			    next;
                   1094: 			}
                   1095: 			my $criteria = 
                   1096: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   1097: 					  [@_]);
                   1098: 			$status .= &layout_web_Criteria($dim,$id,$criteria);
                   1099: 		    }
1.54      albertel 1100: 
                   1101: 		    my $internal_location=&internal_location();
                   1102: 		    $result=~s/\Q$internal_location\E/$status/;
                   1103: 		}
1.142     albertel 1104: 		$result.="\n</div>\n".
                   1105: 		    &Apache::loncommon::end_page({'discussion' => 1});
1.1       albertel 1106: 	    }
                   1107: 	}
1.181     albertel 1108: 
                   1109: 	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                   1110: 	my %queue_data = ('type' => 'Task',
                   1111: 			  'time' => time,);
                   1112: 	if (defined($Apache::inputtags::slot_name)) {
                   1113: 	    $queue_data{'slot'} = $Apache::inputtags::slot_name;
                   1114: 	} elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
                   1115: 	    $queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
                   1116: 	}
                   1117: 	
                   1118: 
1.29      albertel 1119: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel 1120: 	    my $award='SUBMITTED';
1.28      albertel 1121: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel 1122: 						    'portfiles',\$award);
1.14      albertel 1123: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel 1124: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                   1125: 		$Apache::lonhomework::results{"resource.0.tries"}=
                   1126: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                   1127: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                   1128: 
                   1129: 		$Apache::lonhomework::results{"resource.0.award"}=
                   1130: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                   1131: 		    $award;
1.51      albertel 1132: 		$Apache::lonhomework::results{"resource.0.submission"}=
                   1133: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel 1134: 	    } else {
                   1135: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel 1136: 		$award = '';
1.10      albertel 1137: 	    }
1.4       albertel 1138: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                   1139: 	    &Apache::structuretags::finalize_storage();
1.148     albertel 1140: 	    if ($award eq 'SUBMITTED') {
1.181     albertel 1141: 		&add_to_queue('gradingqueue',\%queue_data);
1.14      albertel 1142: 	    }
1.1       albertel 1143: 	}
1.163     albertel 1144: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1145: 	    && exists($env{'form.cancel'})) {
                   1146: 	    &check_queue_unlock($env{'form.queue'});
                   1147: 	    &Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
                   1148: 	} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1149: 		 && !exists($env{'form.cancel'})) {
1.20      albertel 1150: 	    my $optional_required=
                   1151: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                   1152: 					   $safeeval);
                   1153: 	    my $optional_passed=0;
                   1154: 	    my $mandatory_failed=0;
                   1155: 	    my $ungraded=0;
                   1156: 	    my $review=0;   
1.21      albertel 1157: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.194     albertel 1158: 	    my $dim = $top;
                   1159: 	    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
                   1160: 		my $link=&link($id);
                   1161: 
                   1162: 		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1163: 
                   1164: 		if ($type eq 'criteria') {
                   1165: 		    # dimensional 'criteria' don't get assigned grades
                   1166: 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"}=$env{'form.HWVAL_'.$link};
                   1167: 		    $Apache::lonhomework::results{"resource.$version.0.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   1168: 		} 
1.20      albertel 1169: 		my $status=
1.194     albertel 1170: 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"};
                   1171: 		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   1172: 
1.20      albertel 1173: 		if ($status eq 'pass') {
                   1174: 		    if (!$mandatory) { $optional_passed++; }
                   1175: 		} elsif ($status eq 'fail') {
                   1176: 		    if ($mandatory) { $mandatory_failed++; }
1.194     albertel 1177: 		} elsif ($status eq 'review') {
                   1178: 		    $review++;
1.20      albertel 1179: 		} elsif ($status eq 'ungraded') {
                   1180: 		    $ungraded++;
1.49      albertel 1181: 		} else {
                   1182: 		    $ungraded++;
                   1183: 		}
1.20      albertel 1184: 	    }
                   1185: 	    if ($optional_passed < $optional_required) {
                   1186: 		$mandatory_failed++;
                   1187: 	    }
1.194     albertel 1188: 	    &Apache::lonxml::debug(" task results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.89      albertel 1189: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.138     albertel 1190: 		$env{'user.name'}.':'.$env{'user.domain'};
1.20      albertel 1191: 	    if ($review) {
1.89      albertel 1192: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.20      albertel 1193: 	    } elsif ($ungraded) {
1.89      albertel 1194: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.20      albertel 1195: 	    } elsif ($mandatory_failed) {
1.89      albertel 1196: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel 1197: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                   1198: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                   1199: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.185     albertel 1200: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.52      albertel 1201: 		
                   1202: 		if ($env{'form.regrade'} ne 'yes') {
                   1203: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1204: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1205: 		    &Apache::grades::version_portfiles(
                   1206: 						       \%Apache::lonhomework::results,
                   1207: 						       ["$version.0.bridgetask"],$courseid,
                   1208: 						       $symb,$udom,$uname,
                   1209: 						       ["$version.0.bridgetask"]);
                   1210: 		}
1.20      albertel 1211: 	    } else {
1.89      albertel 1212: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel 1213: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                   1214: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                   1215: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.185     albertel 1216: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.52      albertel 1217: 		if ($env{'form.regrade'} ne 'yes') {
                   1218: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1219: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1220: 		    &Apache::grades::version_portfiles(
                   1221: 						       \%Apache::lonhomework::results,
                   1222: 						       ["$version.0.bridgetask"],$courseid,
                   1223: 						       $symb,$udom,$uname,
                   1224: 						       ["$version.0.bridgetask"]);
                   1225: 		}
1.20      albertel 1226: 	    }
1.89      albertel 1227: 	    $Apache::lonhomework::results{"resource.0.status"}=
                   1228: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel 1229: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel 1230: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel 1231: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel 1232: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel 1233: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel 1234: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel 1235: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel 1236: 	    }
1.94      albertel 1237: 	    &minimize_storage();
1.21      albertel 1238: 	    &Apache::structuretags::finalize_storage();
1.188     albertel 1239: 	    
                   1240: 	    # data stored, now handle queue
                   1241: 	    if ($review) {
                   1242: 		if ($env{'form.queue'} eq 'reviewqueue') {
                   1243: 		    &check_queue_unlock($env{'form.queue'});
                   1244: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                   1245: 		} else {
                   1246: 		    if ($env{'form.queue'} ne 'none') {
                   1247: 			&move_between_queues($env{'form.queue'},'reviewqueue');
                   1248: 		    } else {
                   1249: 			&add_to_queue('reviewqueue',\%queue_data);
                   1250: 		    }
                   1251: 		}
                   1252: 	    } elsif ($ungraded) {
                   1253: 		if ($env{'form.queue'} eq 'reviewqueue') {
                   1254: 		    &Apache::lonxml::debug("moving back.");
                   1255: 		    &move_between_queues($env{'form.queue'},
                   1256: 					 'gradingqueue');
                   1257: 		} elsif ($env{'form.queue'} eq 'none' ) {
                   1258: 		    &add_to_queue('gradingqueue',\%queue_data);	
                   1259: 		} else {
                   1260: 		    &check_queue_unlock($env{'form.queue'});
                   1261: 		}
                   1262: 	    } elsif ($mandatory_failed) {
                   1263: 		&remove_from_queue($env{'form.queue'}); 
                   1264: 	    } else {
                   1265: 		&remove_from_queue($env{'form.queue'});
                   1266: 	    }
1.20      albertel 1267: 	}
1.184     albertel 1268: 	if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
                   1269: 	    # instance generation occured and hasn't yet been stored
                   1270: 	    &Apache::structuretags::finalize_storage();
                   1271: 	}
1.15      albertel 1272:     } elsif ($target eq 'webgrade') {
1.208     albertel 1273: 	if (&nest()) {
                   1274: 	    &Apache::lonxml::endredirection();
                   1275: 	    &end_delay();
                   1276: 	    $result.=$dimension{$top}{'result'};
                   1277: 	} else {
                   1278: 	    $result.=&Apache::lonxml::endredirection();
                   1279: 	}
1.194     albertel 1280: 	my $dim = $top;
                   1281: 	foreach my $id (@{$dimension{$dim}{'criterias'}} ) {
                   1282: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1283: 	    if ($type eq 'dimension') {
                   1284: 		# dimensional 'criteria' don't get assigned grades
                   1285: 		next;
                   1286: 	    } else {
                   1287: 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   1288: 					     [@_]);
                   1289: 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
                   1290: 		my $internal_location=&internal_location($id);
1.209     albertel 1291: 		if ($result =~ m/\Q$internal_location\E/) {
                   1292: 		    $result=~s/\Q$internal_location\E/$criteria/;
                   1293: 		} else {
                   1294: 		    $result.=$criteria;
                   1295: 		}
                   1296: 
1.194     albertel 1297: 	    }
                   1298: 	}
                   1299:         $result.="</div>";
1.20      albertel 1300: 	#$result.='<input type="submit" name="next" value="'.
                   1301: 	#    &mt('Save &amp; Next').'" /> ';
                   1302: 	#$result.='<input type="submit" name="end" value="'.
                   1303: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1304: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1305: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1306: 	#$result.='<input type="submit" name="save" value="'.
                   1307: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel 1308: 	$result.='</form>'."\n</div>\n</div>\n".
1.140     albertel 1309: 	    &Apache::loncommon::end_page();
1.1       albertel 1310:     } elsif ($target eq 'meta') {
1.70      albertel 1311: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1312:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1313: 						      'Problem Status');
                   1314: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1315: 						      'Number of Attempts');
                   1316: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1317: 						      'Partial Credit Factor');
                   1318: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1319: 						      'Bridge Task Status');
1.182     albertel 1320:     } elsif ($target eq 'edit') {
                   1321: 	&Apache::structuretags::reset_problem_globals('Task');
                   1322: 	undef($Apache::lonhomework::parsing_a_task);
                   1323: 	return ('','no');
1.1       albertel 1324:     }
1.179     albertel 1325:     &Apache::structuretags::reset_problem_globals('Task');
1.4       albertel 1326:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1327:     return $result;
                   1328: }
                   1329: 
1.31      albertel 1330: sub move_between_queues {
                   1331:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1332:     my $cur_data;
                   1333:     if ($src_queue ne 'none') {
                   1334: 	$cur_data=&get_queue_data($src_queue);
                   1335: 	if (!$cur_data) { return 'not_exist'; }
                   1336:     } else {
                   1337: 	$cur_data = ['none'];
                   1338:     }
1.148     albertel 1339:     my $result=&add_to_queue($dest_queue,$cur_data);
1.31      albertel 1340:     if ($result ne 'ok') {
                   1341: 	return $result;
                   1342:     }
                   1343:     &check_queue_unlock($src_queue);
                   1344:     return &remove_from_queue($src_queue);
1.21      albertel 1345: }
                   1346: 
                   1347: sub check_queue_unlock {
1.32      albertel 1348:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1349:     if ($queue eq 'none') { return 'ok'; }
1.185     albertel 1350:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.32      albertel 1351:     if (!defined($key)) {
1.138     albertel 1352: 	$key="$symb\0queue\0$uname:$udom";
1.32      albertel 1353:     }
1.30      albertel 1354:     my $cnum=$env{'course.'.$cid.'.num'};
                   1355:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1356:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.30      albertel 1357:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1358:     if  ($who eq $me) {
1.163     albertel 1359: 	&Apache::lonxml::debug("unlocking my own $who");
1.32      albertel 1360: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1361:     } elsif ($allow_not_me) {
1.33      albertel 1362: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1363: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1364:     }
1.32      albertel 1365:     return 'not_owner';
1.21      albertel 1366: }
                   1367: 
1.88      albertel 1368: sub in_queue {
                   1369:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1370:     if ($queue eq 'none') { return 0; }
                   1371:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1372: 	|| !defined($udom) || !defined($uname)) {
1.185     albertel 1373: 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.88      albertel 1374: 	$cnum=$env{'course.'.$cid.'.num'};
                   1375: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1376:     }
                   1377: 
                   1378:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1379:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1380: 
                   1381:     if (defined($results{$key})) {
                   1382: 	return 1;
                   1383:     }
                   1384:     return 0;
                   1385: }
                   1386: 
1.21      albertel 1387: sub remove_from_queue {
1.86      albertel 1388:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1389:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1390:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1391: 	|| !defined($udom) || !defined($uname)) {
1.185     albertel 1392: 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.86      albertel 1393: 	$cnum=$env{'course.'.$cid.'.num'};
                   1394: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1395:     }
1.88      albertel 1396:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1397: 	return 'ok';
                   1398:     }
1.86      albertel 1399:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1400:     my @keys=($key,"$key\0locked");
1.31      albertel 1401:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1402: }
                   1403: 
1.16      albertel 1404: sub setup_env_for_other_user {
                   1405:     my ($queue_key,$safeeval)=@_;
                   1406:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1407:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1408:     $env{'form.grade_symb'}=$symb;
                   1409:     $env{'form.grade_domain'}=$udom;
                   1410:     $env{'form.grade_username'}=$uname;
                   1411:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1412:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1413: }
                   1414: 
1.31      albertel 1415: sub get_queue_data {
1.165     albertel 1416:     my ($queue,$udom,$uname)=@_;
1.185     albertel 1417:     my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonnet::whichuser();
1.165     albertel 1418:     if (!$uname || !$udom) {
                   1419: 	$uname=$other_uname;
                   1420: 	$udom =$other_udom;
                   1421:     }
1.31      albertel 1422:     my $cnum=$env{'course.'.$cid.'.num'};
                   1423:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1424:     my $todo="$symb\0queue\0$uname:$udom";
1.31      albertel 1425:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1426:     if ($key eq $todo && ref($value)) {
                   1427: 	return $value;
                   1428:     }
                   1429:     return undef;
                   1430: }
                   1431: 
1.84      albertel 1432: 
1.49      albertel 1433: sub check_queue_for_key {
1.84      albertel 1434:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1435: 
1.49      albertel 1436:     my %results=
                   1437: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1438:     
                   1439:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1440: 	if (defined($results{"$todo\0locked"})) {
                   1441: 	    return 'locked';
                   1442: 	}
1.148     albertel 1443: 	if (my $slot=&slotted_access($results{$todo})) {
1.86      albertel 1444: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1445: 	    if ($slot_data{'endtime'} > time) { 
                   1446: 		return 'in_progress';
                   1447: 	    }
1.148     albertel 1448: 	} else {
                   1449: 	    my ($symb) = &decode_queue_key($todo);
                   1450: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1451: 	    if ($due_date > time) {
                   1452: 		return 'in_progress';
                   1453: 	    }
1.58      albertel 1454: 	}
1.49      albertel 1455: 	return 'enqueued';
                   1456:     }
                   1457:     return undef;
                   1458: }
                   1459: 
1.14      albertel 1460: sub add_to_queue {
1.82      albertel 1461:     my ($queue,$user_data)=@_;
1.49      albertel 1462:     if ($queue eq 'none') { return 'ok'; }
1.185     albertel 1463:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.82      albertel 1464:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1465: 	return 'no_queue';
                   1466:     }
1.14      albertel 1467:     my $cnum=$env{'course.'.$cid.'.num'};
                   1468:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1469:     my %data;
1.138     albertel 1470:     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
1.83      albertel 1471:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1472: }
                   1473: 
1.156     albertel 1474: sub get_limited_classlist {
                   1475:     my ($sections) = @_;
                   1476: 
                   1477:     my $classlist = &Apache::loncoursedata::get_classlist();
1.157     albertel 1478:     foreach my $student (keys(%$classlist)) {
                   1479: 	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
                   1480: 	     ne 'Active') {
                   1481: 	    delete($classlist->{$student});
                   1482:        	}
                   1483:     }
1.156     albertel 1484: 
1.157     albertel 1485:     if (ref($sections) && !grep('all',@{ $sections })) {
1.156     albertel 1486: 	foreach my $student (keys(%$classlist)) {
                   1487: 	    my $section  = 
                   1488: 		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
                   1489: 	    if (! grep($section,@{ $sections })) {
                   1490: 		delete($classlist->{$student});
                   1491: 	    }
                   1492: 	}
                   1493:     }
                   1494:     return $classlist;
                   1495: }
                   1496: 
                   1497: 
1.14      albertel 1498: sub show_queue {
1.32      albertel 1499:     my ($queue,$with_selects)=@_;
1.14      albertel 1500:     my $result;
1.185     albertel 1501:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.14      albertel 1502:     my $cnum=$env{'course.'.$cid.'.num'};
                   1503:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1504: 
                   1505:     my @chosen_sections=
                   1506: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1507: 
                   1508:     my $classlist = &get_limited_classlist(\@chosen_sections);
                   1509: 
1.63      albertel 1510:     if (!(grep(/^all$/,@chosen_sections))) {
                   1511: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1512: 	    '</tt>.</p> '."\n";
                   1513:     }
1.59      albertel 1514: 
1.156     albertel 1515:     my ($view,$view_section);
                   1516:     my $scope = $env{'request.course.id'};
                   1517:     if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
                   1518: 	$scope .= '/'.$env{'request.course.sec'};
                   1519: 	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
                   1520: 	    $view_section=$env{'request.course.sec'};
                   1521: 	} else {
                   1522: 	    undef($view);
                   1523: 	}
                   1524:     }
                   1525: 
1.16      albertel 1526:     my $regexp="^$symb\0";
1.30      albertel 1527:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1528:     my ($tmp)=%queue;
                   1529:     if ($tmp=~/^error: 2 /) {
1.159     albertel 1530: 	return "\n<h3>Current Queue - $queue</h3>".
                   1531: 	    &Apache::loncommon::start_data_table().
                   1532: 	    &Apache::loncommon::start_data_table_row().
                   1533: 	    '<td>'.&mt('Empty').'</td>'.
                   1534: 	    &Apache::loncommon::end_data_table_row().
                   1535: 	    &Apache::loncommon::end_data_table();
1.31      albertel 1536:     }
1.103     albertel 1537:     my $title=&Apache::lonnet::gettitle($symb);
1.159     albertel 1538:     $result.="\n<h3>Current Queue - $title $queue </h3>".
                   1539: 	&Apache::loncommon::start_data_table().
                   1540: 	&Apache::loncommon::start_data_table_header_row();
1.103     albertel 1541:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
1.159     albertel 1542:     $result.="<th>user</th><th>data</th>".
                   1543: 	&Apache::loncommon::end_data_table_header_row();
1.14      albertel 1544:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1545: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1546: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.156     albertel 1547: 	
                   1548: 	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
                   1549: 
                   1550: 	my $can_view=1;
                   1551: 	if (!$view
                   1552: 	    || ($view_section && !$section)
                   1553: 	    || ($view_section && $section && ($view_section ne $section))) {
                   1554: 	    $can_view=0;
                   1555: 	}
                   1556: 
1.32      albertel 1557: 	if ($key=~/locked$/ && !$with_selects) {
1.159     albertel 1558: 	    $result.= &Apache::loncommon::start_data_table_row().
                   1559: 		"<td>$uname</td>";
1.103     albertel 1560: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1561: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.159     albertel 1562: 	    $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
1.103     albertel 1563: 	    $result.='<td>'.
1.16      albertel 1564: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1565: 	} elsif ($key!~/(timestamp|locked)$/) {
1.159     albertel 1566: 	    $result.= &Apache::loncommon::start_data_table_row();
1.148     albertel 1567: 	    my ($end_time,$slot_text);
                   1568: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1569: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1570: 		$end_time = $slot_data{'endtime'};
                   1571: 		$slot_text = &mt('Slot: [_1]',$slot);
                   1572: 	    } else {
                   1573: 		$end_time = &Apache::lonhomework::due_date('0',$symb);
                   1574: 		$slot_text = '';
                   1575: 	    }
1.32      albertel 1576: 	    if ($with_selects) {
1.158     www      1577: 		my $ekey=&escape($key);
1.103     albertel 1578: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1579: 		if (exists($queue{"$key\0locked"})) {
1.214   ! albertel 1580: 		    my $locker = $queue{"$key\0locked"};
        !          1581: 		    my $time;
        !          1582: 		    if (ref($queue{"$key\0locked"}) eq 'ARRAY') {
        !          1583: 			($locker, $time) = @{$queue{"$key\0locked"}};
        !          1584: 			$time = 
        !          1585: 			    &Apache::lonnavmaps::timeToHumanString($time,
        !          1586: 								   'start');
        !          1587: 		    }
1.138     albertel 1588: 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.214   ! albertel 1589: 		    $status=&mt('Locked by <tt>[_1]</tt> [_2]',$locker,$time);
1.32      albertel 1590: 		    if ($me eq $queue{"$key\0locked"}) {
                   1591: 			($action,$description)=('resume',&mt('Resume'));
                   1592: 		    } else {
                   1593: 			($action,$description)=('unlock',&mt('Unlock'));
                   1594: 		    }
                   1595: 		}
1.62      albertel 1596: 		my $seclist;
                   1597: 		foreach my $sec (@chosen_sections) {
                   1598: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1599:                                value="'.$sec.'" />';
                   1600: 		}
1.156     albertel 1601: 		if ($can_view && ($end_time ne '' && time > $end_time)) {
1.35      albertel 1602: 		    $result.=(<<FORM);
1.103     albertel 1603: <td>$status</td>
1.32      albertel 1604: <td>
1.115     albertel 1605: <form style="display: inline" method="post">
1.32      albertel 1606:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1607:  <input type="hidden" name="queue" value="$queue" />
                   1608:  <input type="hidden" name="gradingaction" value="$action" />
                   1609:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1610:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1611:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1612:  $seclist
1.32      albertel 1613: </form>
                   1614: </td>
                   1615: FORM
1.156     albertel 1616:                 } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
                   1617: 		    $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
1.35      albertel 1618:                 } else {
1.148     albertel 1619: 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
1.35      albertel 1620: 		}
1.32      albertel 1621: 	    }
1.156     albertel 1622: 	    $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
1.138     albertel 1623: 		" <tt>($uname:$udom)</tt> </td>";
1.148     albertel 1624: 	    $result.='<td>'.$slot_text.' End time: '.
                   1625: 		&Apache::lonlocal::locallocaltime($end_time).
1.159     albertel 1626: 		"</td>".&Apache::loncommon::end_data_table_row();
1.16      albertel 1627: 	}
1.14      albertel 1628:     }
1.159     albertel 1629:     $result.= &Apache::loncommon::end_data_table()."<hr />\n";
1.14      albertel 1630:     return $result;
                   1631: }
                   1632: 
1.34      albertel 1633: sub get_queue_counts {
                   1634:     my ($queue)=@_;
                   1635:     my $result;
1.185     albertel 1636:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.34      albertel 1637:     my $cnum=$env{'course.'.$cid.'.num'};
                   1638:     my $cdom=$env{'course.'.$cid.'.domain'};
1.156     albertel 1639: 
1.157     albertel 1640:     my $classlist=&get_limited_classlist();
1.156     albertel 1641: 
1.34      albertel 1642:     my $regexp="^$symb\0";
                   1643:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1644:     my ($tmp)=%queue;
                   1645:     if ($tmp=~/^error: 2 /) {
                   1646: 	return (0,0,0);
                   1647:     }
                   1648:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1649:     my %slot_cache;
1.34      albertel 1650:     foreach my $key (sort(keys(%queue))) {
1.156     albertel 1651: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1652: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.34      albertel 1653: 	if ($key=~/locked$/) {
                   1654: 	    $locks++;
                   1655: 	} elsif ($key=~/timestamp$/) {
                   1656: 	    #ignore
                   1657: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1658: 	    $entries++;
1.148     albertel 1659: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1660: 		if (!exists($slot_cache{$slot})) {
                   1661: 		    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1662: 		    $slot_cache{$slot} = \%slot_data;
                   1663: 		}
                   1664: 		if (time > $slot_cache{$slot}{'endtime'}) {
                   1665: 		    $ready_to_grade++;
                   1666: 		}
                   1667: 	    } else {
                   1668: 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1669: 		if ($due_date ne '' && time > $due_date) {
                   1670: 		    $ready_to_grade++;
                   1671: 		}
1.34      albertel 1672: 	    }
                   1673: 	}
                   1674:     }
                   1675:     return ($entries,$ready_to_grade,$locks);
                   1676: }
                   1677: 
1.49      albertel 1678: sub encode_queue_key {
                   1679:     my ($symb,$udom,$uname)=@_;
1.138     albertel 1680:     return "$symb\0queue\0$uname:$udom";
1.49      albertel 1681: }
                   1682: 
1.14      albertel 1683: sub decode_queue_key {
                   1684:     my ($key)=@_;
                   1685:     my ($symb,undef,$user) = split("\0",$key);
1.138     albertel 1686:     my ($uname,$udom) = split(':',$user);
1.14      albertel 1687:     return ($symb,$uname,$udom);
                   1688: }
                   1689: 
                   1690: sub queue_key_locked {
1.30      albertel 1691:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1692:     if (!defined($cdom) || !defined($cnum)) {
1.185     albertel 1693: 	my (undef,$cid)=&Apache::lonnet::whichuser();
1.33      albertel 1694: 	$cnum=$env{'course.'.$cid.'.num'};
                   1695: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1696:     }
1.14      albertel 1697:     my ($key_locked,$value)=
1.30      albertel 1698: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1699:     if ($key_locked eq "$key\0locked") {
                   1700: 	return $value;
                   1701:     }
                   1702:     return undef;
                   1703: }
                   1704: 
1.148     albertel 1705: sub slotted_access {
                   1706:     my ($queue_entry) = @_;
                   1707:     if (ref($queue_entry) eq 'ARRAY') {
                   1708: 	if (defined($queue_entry->[0])) {
                   1709: 	    return $queue_entry->[0];
                   1710: 	}
                   1711: 	return undef;
                   1712:     } elsif (ref($queue_entry) eq 'HASH') {
                   1713: 	if (defined($queue_entry->{'slot'})) {
                   1714: 	    return $queue_entry->{'slot'};
                   1715: 	}
                   1716: 	return undef;
                   1717:     }
                   1718:     return undef;
                   1719: }
                   1720: 
1.14      albertel 1721: sub pick_from_queue_data {
1.156     albertel 1722:     my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
1.98      albertel 1723:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1724:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1725: 	if ($key =~ /\0locked$/) { next; }
                   1726: 	if ($key =~ /\0timestamp$/) { next; }
1.156     albertel 1727: 
1.14      albertel 1728: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
1.156     albertel 1729: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
                   1730: 
1.14      albertel 1731: 	if ($check_section) {
1.156     albertel 1732: 	    my $section =
                   1733: 		$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
1.17      albertel 1734: 	    if ($section eq $check_section) {
1.33      albertel 1735: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1736: 		next;
                   1737: 	    }
1.14      albertel 1738: 	}
1.148     albertel 1739: 	my $end_time;
                   1740: 	if (my $slot=&slotted_access($queuedata->{$key})) {
1.154     albertel 1741: 	    &Apache::lonxml::debug("looking at slot $slot");
1.148     albertel 1742: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1743: 	    if ($slot_data{'endtime'} < time) { 
                   1744: 		$end_time = $slot_data{'endtime'};
1.154     albertel 1745: 	    } else {
                   1746: 		&Apache::lonxml::debug("not time ".$slot_data{'endtime'});
                   1747: 		next;
1.148     albertel 1748: 	    }
                   1749: 	} else {
                   1750: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
1.154     albertel 1751: 	    if ($due_date < time) {
1.148     albertel 1752: 		$end_time = $due_date;
1.154     albertel 1753: 	    } else {
                   1754: 		&Apache::lonxml::debug("not time $due_date");
                   1755: 		next;
1.148     albertel 1756: 	    }
                   1757: 	}
                   1758: 	
1.98      albertel 1759: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1760: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1761: 	    next;
                   1762: 	}
1.148     albertel 1763: 	push(@possible,[$key,$end_time]);
1.98      albertel 1764:     }
                   1765:     if (@possible) {
                   1766:         # sort entries in order by slot end time
                   1767: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
1.137     albertel 1768: 	# pick one of the entries in the top 10% in small queues and one
                   1769: 	# of the first ten entries in large queues
1.139     albertel 1770: 	#my $ten_percent = int($#possible * 0.1);
                   1771: 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
                   1772: 	#if ($ten_percent > 10) { $ten_percent = 10; }
                   1773: 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
1.137     albertel 1774: 	
1.139     albertel 1775: 	#return $possible[int(rand($max))][0];
                   1776: 	return $possible[0][0];
1.14      albertel 1777:     }
                   1778:     return undef;
                   1779: }
                   1780: 
1.15      albertel 1781: sub find_mid_grade {
1.30      albertel 1782:     my ($queue,$symb,$cdom,$cnum)=@_;
1.158     www      1783:     my $todo=&unescape($env{'form.gradingkey'});
1.138     albertel 1784:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.15      albertel 1785:     if ($todo) {
1.30      albertel 1786: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1787: 	if ($who eq $me) { return $todo; }
                   1788:     }
                   1789:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1790:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1791:     foreach my $key (keys(%locks)) {
                   1792: 	my $who=$locks{$key};
                   1793: 	if ($who eq $me) {
                   1794: 	    $todo=$key;
                   1795: 	    $todo=~s/\0locked$//;
                   1796: 	    return $todo;
                   1797: 	}
                   1798:     }
                   1799:     return undef;
                   1800: }
                   1801: 
1.32      albertel 1802: sub lock_key {
                   1803:     my ($queue,$todo)=@_;
1.138     albertel 1804:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.185     albertel 1805:     my (undef,$cid)=&Apache::lonnet::whichuser();
1.32      albertel 1806:     my $cnum=$env{'course.'.$cid.'.num'};
                   1807:     my $cdom=$env{'course.'.$cid.'.domain'};
1.214   ! albertel 1808:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> [$me,time]},
1.32      albertel 1809: 					$cdom,$cnum);
1.33      albertel 1810:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1811:     if ($success eq 'ok') {
                   1812: 	return 1;
                   1813:     }
                   1814:     return 0;
                   1815: }
                   1816: 
1.86      albertel 1817: sub get_queue_symb_status {
1.85      albertel 1818:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1819:     if (!defined($cdom) || !defined($cnum)) {
1.185     albertel 1820: 	my (undef,$cid)=&Apache::lonnet::whichuser();
1.85      albertel 1821: 	$cnum=$env{'course.'.$cid.'.num'};
                   1822: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1823:     }
1.157     albertel 1824:     my $classlist=&get_limited_classlist();
1.156     albertel 1825: 
1.85      albertel 1826:     my $regexp="^$symb\0";
                   1827:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1828:     my ($tmp)=%queue;
                   1829:     if ($tmp=~/^error: 2 /) { return; }
                   1830:     my @users;
                   1831:     foreach my $key (sort(keys(%queue))) {
                   1832: 	next if ($key=~/locked$/);
                   1833: 	next if ($key=~/timestamp$/);
                   1834: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
1.156     albertel 1835: 	next if (!defined($classlist->{$uname.':'.$udom}));
1.85      albertel 1836: 	push(@users,"$uname:$udom");
                   1837:     }
                   1838:     return @users;
                   1839: }
                   1840: 
1.14      albertel 1841: sub get_from_queue {
1.30      albertel 1842:     my ($queue)=@_;
1.14      albertel 1843:     my $result;
1.185     albertel 1844:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.14      albertel 1845:     my $cnum=$env{'course.'.$cid.'.num'};
                   1846:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1847:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1848:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1849:     if ($todo) { return $todo; }
1.95      albertel 1850:     my $attempts=0;
1.156     albertel 1851: 
1.157     albertel 1852:     my $classlist=&get_limited_classlist();
1.156     albertel 1853: 
1.14      albertel 1854:     while (1) {
1.95      albertel 1855: 	if ($attempts > 2) {
                   1856: 	    # tried twice to get a queue entry, giving up
                   1857: 	    return (undef,'unable');
                   1858: 	}
1.14      albertel 1859: 	my $starttime=time;
1.83      albertel 1860: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1861: 			      $cdom,$cnum);
1.33      albertel 1862: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1863: 	my $regexp="^$symb\0queue\0";
1.156     albertel 1864: 	#my $range= ($attempts < 1 ) ? '0-100' : '0-400';
1.97      albertel 1865: 
1.98      albertel 1866: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1867: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1868: 	if ($env{'request.course.sec'}) {
1.33      albertel 1869: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1870: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1.156     albertel 1871: 					\%queue,$cdom,$cnum,$classlist);
1.33      albertel 1872: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1873: 	}
1.33      albertel 1874: 	# no one _not_ in our section so look for any user that is
                   1875: 	# ready for grading
1.14      albertel 1876: 	if (!$todo) {
1.33      albertel 1877: 	    &Apache::lonxml::debug("no sce");
1.156     albertel 1878: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
                   1879: 					$classlist);
1.33      albertel 1880: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1881: 	}
                   1882: 	# no user to grade 
                   1883: 	if (!$todo) { last; }
1.33      albertel 1884: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1885: 	# otherwise found someone so lets try to lock them
1.32      albertel 1886: 	# unless someone else already picked them
1.95      albertel 1887: 	if (!&lock_key($queue,$todo)) {
                   1888: 	    $attempts++;
                   1889: 	    next;
                   1890: 	}
1.14      albertel 1891: 	my (undef,$endtime)=
1.30      albertel 1892: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1893: 				 $cdom,$cnum);
1.33      albertel 1894: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1895: 	# someone else already modified the queue, 
                   1896: 	# perhaps our picked user wass already fully graded between
                   1897: 	# when we picked him and when we locked his record? so lets
                   1898: 	# double check.
                   1899: 	if ($endtime != $starttime) {
                   1900: 	    my ($key,$value)=
1.30      albertel 1901: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1902: 				     $cdom,$cnum);
1.33      albertel 1903: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1904: 	    if ($key eq $todo && ref($value)) {
                   1905: 	    } else {
1.30      albertel 1906: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1907: 				     $cdom,$cnum);
1.33      albertel 1908: 		&Apache::lonxml::debug("del");
1.95      albertel 1909: 		$attempts++;
1.14      albertel 1910: 		next;
                   1911: 	    }
                   1912: 	}
1.33      albertel 1913: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1914: 	last;
                   1915:     }
                   1916:     return $todo;
                   1917: }
                   1918: 
1.49      albertel 1919: sub select_user {
1.185     albertel 1920:     my ($symb,$cid)=&Apache::lonnet::whichuser();
1.49      albertel 1921: 
1.59      albertel 1922:     my @chosen_sections=
                   1923: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1924: 
                   1925:     my $classlist = &get_limited_classlist(\@chosen_sections);
1.63      albertel 1926:     
                   1927:     my $result;
                   1928:     if (!(grep(/^all$/,@chosen_sections))) {
                   1929: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1930: 	    '</tt>.</p> '."\n";
                   1931:     }
1.159     albertel 1932:     $result.=&Apache::loncommon::start_data_table();
1.49      albertel 1933: 
1.156     albertel 1934:     foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
1.49      albertel 1935: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1936: 	
1.84      albertel 1937: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1938: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1939: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1940: 					 'Task');
1.49      albertel 1941: 	my $queue = 'none';
1.58      albertel 1942: 	my $cannot_grade;
                   1943: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1944: 	    $queue = 'reviewqueue';
1.58      albertel 1945: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1946: 		$cannot_grade=1;
                   1947: 	    }
                   1948: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1949: 	    $queue = 'gradingqueue';
1.58      albertel 1950: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1951: 		$cannot_grade=1;
                   1952: 	    }
1.49      albertel 1953: 	}
                   1954: 	my $todo = 
1.158     www      1955: 	    &escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1956: 	if ($cannot_grade) {
1.159     albertel 1957: 	    $result.=&Apache::loncommon::start_data_table_row().
                   1958: 		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
1.58      albertel 1959: 		'</td><td>';
                   1960: 	} else {
1.62      albertel 1961: 	    my $seclist;
                   1962: 	    foreach my $sec (@chosen_sections) {
                   1963: 		$seclist.='<input type="hidden" name="chosensections" 
                   1964:                                value="'.$sec.'" />';
                   1965: 	    }
1.159     albertel 1966: 	    $result.=&Apache::loncommon::start_data_table_row();
1.58      albertel 1967: 	    $result.=<<RESULT;
1.49      albertel 1968:   <td>
1.115     albertel 1969:     <form style="display: inline" method="post">
1.49      albertel 1970:       <input type="hidden" name="gradingkey" value="$todo" />
                   1971:       <input type="hidden" name="queue" value="$queue" />
                   1972:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1973:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1974:       <input type="submit" name="submit" value="Regrade" />
                   1975:       $seclist
1.49      albertel 1976:     </form>
1.155     albertel 1977:   <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
1.49      albertel 1978:   <td>
                   1979: RESULT
1.58      albertel 1980:         }
1.49      albertel 1981:         if ($status{'status'} eq 'pass') {
                   1982: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1983: 	} elsif ($status{'status'} eq 'fail') {
                   1984: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1985: 	} elsif ($status{'status'} eq 'review') {
                   1986: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1987: 	} elsif ($status{'status'} eq 'ungraded') {
                   1988: 	    $result .= &mt('Ungraded');
                   1989: 	} elsif ($status{'status'} ne '') {
                   1990: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1991: 	} else {
                   1992: 	    $result.="&nbsp;";
                   1993: 	}
                   1994: 	if ($status{'version'}) {
                   1995: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1996: 	}
1.101     albertel 1997: 	if ($status{'grader'}) {
                   1998: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1999: 	}
1.49      albertel 2000: 	$result.= '</td><td>';
                   2001: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   2002: 	    $result .= &mt('Awaiting Review');
                   2003: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   2004: 	    $result .= &mt('Under Review');
1.58      albertel 2005: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   2006: 	    $result .= &mt('Still being worked on.');
1.49      albertel 2007: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   2008: 	    $result .= &mt('Awaiting Grading');
                   2009: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   2010: 	    $result .= &mt('Being Graded');
1.58      albertel 2011: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   2012: 	    $result .= &mt('Still being worked on.');
1.49      albertel 2013: 	} else {
                   2014: 	    $result.="&nbsp;";
                   2015: 	}
1.159     albertel 2016: 	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
1.49      albertel 2017:     }
1.159     albertel 2018:     $result.=&Apache::loncommon::end_data_table();
1.49      albertel 2019:     return $result;
                   2020: }
                   2021: 
                   2022: sub get_student_status {
1.86      albertel 2023:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   2024: 
                   2025:     my %status;
                   2026: 
                   2027:     if ($type eq 'Task') {
                   2028: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 2029: 					  $udom,$uname);
1.89      albertel 2030: 	$status{'status'}=$record{'resource.0.status'};
                   2031: 	$status{'version'}=$record{'resource.0.version'};
                   2032: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 2033:     }
                   2034:     $status{'reviewqueue'}=
                   2035: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   2036: 			     &encode_queue_key($symb,$udom,$uname));
                   2037:     $status{'gradingqueue'}=
                   2038: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   2039: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 2040:     return %status;
                   2041: }
                   2042: 
1.1       albertel 2043: sub start_ClosingParagraph {
                   2044:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2045:     my $result;
                   2046:     if ($target eq 'web') {
1.13      albertel 2047:     } elsif ($target eq 'webgrade') {
                   2048: 	&Apache::lonxml::startredirection();
1.1       albertel 2049:     }
                   2050:     return $result;
                   2051: }
                   2052: 
                   2053: sub end_ClosingParagraph {
                   2054:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2055:     my $result;
                   2056:     if ($target eq 'web') {
1.13      albertel 2057:     } elsif ($target eq 'webgrade') {
                   2058: 	&Apache::lonxml::endredirection();
1.1       albertel 2059:     }
                   2060:     return $result;
                   2061: }
                   2062: 
1.168     albertel 2063: sub get_dim_id {
1.194     albertel 2064:     if (@Apache::bridgetask::dimension) {
                   2065: 	return $Apache::bridgetask::dimension[-1];
                   2066:     } else {
                   2067: 	return $top;
                   2068:     }
1.168     albertel 2069: }
                   2070: 
1.19      albertel 2071: sub get_id {
                   2072:     my ($parstack,$safeeval)=@_;
                   2073:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   2074:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   2075:     return $id;
                   2076: }
                   2077: 
1.162     albertel 2078: sub start_Setup {
                   2079:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.168     albertel 2080:     #undef(%dimension);
                   2081:     my $dim = &get_id($parstack,$safeeval);
                   2082:     push(@Apache::bridgetask::dimension,$dim);
1.162     albertel 2083:     &Apache::lonxml::startredirection();
1.209     albertel 2084:     return;# &internal_location($dim);
1.162     albertel 2085: }
1.173     albertel 2086: 
                   2087: {
                   2088:     my @allowed;
                   2089:     sub enable_dimension_parsing {
                   2090: 	my ($id) = @_;
                   2091: 	push(@allowed,$id);
                   2092:     }
                   2093:     sub disable_dimension_parsing {
                   2094: 	pop(@allowed);
                   2095:     }
                   2096:     sub skip_dimension_parsing {
                   2097: 	my ($check) = @_;
                   2098: 	if (!@allowed) { return 0;}
                   2099: 	# if unspecified allow any id
                   2100: 	if ($allowed[-1] eq undef) { return 0;}
                   2101: 
                   2102: 	return ($check ne $allowed[-1]);
                   2103:     }
                   2104: }
                   2105: 
1.151     albertel 2106: sub start_Question { return &start_Dimension(@_); }
1.1       albertel 2107: sub start_Dimension {
1.173     albertel 2108:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2109:     my $dim = &get_id($parstack,$safeeval);
                   2110:     my $previous_dim;
                   2111:     if (@Apache::bridgetask::dimension) {
                   2112: 	$previous_dim = $Apache::bridgetask::dimension[-1];
                   2113: 	push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
                   2114: 	     $dim);
1.173     albertel 2115: 	if(&skip_dimension_parsing($dim)) {
                   2116: 	    $dimension{$previous_dim}{'criteria.'.$dim} =
                   2117: 		$token->[4]
                   2118: 		.&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
                   2119: 					      $style)
                   2120: 		.'</'.$tagstack->[-1].'>';
                   2121: 	}
1.169     albertel 2122: 	$dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
                   2123: 	$dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
                   2124: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2125: 	push(@{$dimension{$previous_dim}{'criterias'}},$dim);
1.171     albertel 2126: 	$dimension{$dim}{'nested'}=$previous_dim;
1.196     albertel 2127: 	$dimension{$dim}{'depth'} = 1 + $dimension{$previous_dim}{'depth'};
1.197     albertel 2128: 
1.172     albertel 2129: 	&Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
1.168     albertel 2130:     } else {
1.196     albertel 2131: 	$dimension{$top}{'depth'}=0;
1.194     albertel 2132: 	$dimension{$top}{'criteria.'.$dim.'.type'}='dimension';
                   2133: 	$dimension{$top}{'criteria.'.$dim.'.mandatory'}=
1.168     albertel 2134: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.194     albertel 2135: 	push(@{$dimension{$top}{'criterias'}},$dim);
1.208     albertel 2136: 	$dimension{$dim}{'nested'}=$top;
1.168     albertel 2137:     }
                   2138:     push(@Apache::bridgetask::dimension,$dim);
1.54      albertel 2139:     &Apache::lonxml::startredirection();
1.205     albertel 2140:     if (!&skip_dimension_parsing($dim)) {
                   2141: 	&enable_dimension_parsing($dim);
                   2142:     }
1.207     albertel 2143:     return;# &internal_location($dim);
1.1       albertel 2144: }
                   2145: 
1.160     albertel 2146: sub start_QuestionText {
                   2147:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2148:     my $dim = &get_dim_id();
1.160     albertel 2149:     my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
                   2150:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.169     albertel 2151: 	$dimension{$dim}{'questiontext'}=$text;
1.160     albertel 2152:     }
                   2153:     return '';
                   2154: }
                   2155: 
                   2156: sub end_QuestionText {
                   2157:     return '';
                   2158: }
                   2159: 
1.13      albertel 2160: sub get_instance {
1.75      albertel 2161:     my ($dim)=@_;
                   2162:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   2163:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   2164: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   2165: 	$rand_alg eq '64bit4' ) {
                   2166: 	&Apache::response::pushrandomnumber();
1.169     albertel 2167: 	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
1.75      albertel 2168: 	my $num=@order;
                   2169: 	my $version=&get_version();
                   2170: 	my $which=($version-1)%$num;
                   2171: 	return $order[$which];
                   2172:     } else {
                   2173: 	my ($version,$previous) = &get_version();
                   2174: 	my $instance = 
                   2175: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   2176: 	if (defined($instance)) { return $instance; }
                   2177: 
                   2178: 	&Apache::response::pushrandomnumber();
1.173     albertel 2179: 	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
                   2180: 	    my @instances = @{$dimension{$dim}{'instances'}};
                   2181: 	    # remove disabled instances
                   2182: 	    for (my $i=0; $i < $#instances; $i++) {
                   2183: 		if ($dimension{$dim}{$instances[$i].'.disabled'}) {
                   2184: 		    splice(@instances,$i,1);
                   2185: 		    $i--;
                   2186: 		}
                   2187: 	    }
                   2188: 	    @instances = &Math::Random::random_permutation(@instances);
                   2189: 	    $instance  = $instances[($version-1)%scalar(@instances)];
                   2190: 	    if ($version =~ /^\d$/) {
                   2191: 		$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   2192: 		    $instance;
                   2193: 		$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 2194: 	    }
                   2195: 	}
                   2196: 	&Apache::response::poprandomnumber();
                   2197: 	return $instance;
                   2198:     }
1.13      albertel 2199: }
                   2200: 
1.169     albertel 2201: sub get_criteria {
                   2202:     my ($what,$version,$dim,$id) = @_;
                   2203:     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
1.194     albertel 2204:     my $prefix = ($type eq 'criteria' && $dim ne $top) ? "$dim.$id"
                   2205: 	                                               : "$id";
1.169     albertel 2206:     my $entry = "resource.$version.0.$prefix.$what";
                   2207:     if (exists($Apache::lonhomework::results{$entry})) {
                   2208: 	return $Apache::lonhomework::results{$entry};
                   2209:     }
                   2210:     return $Apache::lonhomework::history{$entry};
                   2211: }
                   2212: 
1.194     albertel 2213: sub link {
                   2214:     my ($id) = @_;
                   2215:     $id =~ s/\./_/g;
                   2216:     return 'LC_GRADING_criteria_'.$id;
                   2217: }
                   2218: sub end_Question { return &end_Dimension(@_); }
                   2219: sub end_Dimension {
                   2220:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2221:     my $result=&Apache::lonxml::endredirection();
                   2222:     my $dim=&get_id($parstack,$safeeval);
                   2223:     if (&skip_dimension_parsing($dim)) {
                   2224: 	&disable_dimension_parsing($dim);
                   2225: 	pop(@Apache::bridgetask::dimension);
                   2226: 	return;
1.122     albertel 2227:     }
1.194     albertel 2228:     my $instance=&get_instance($dim);
                   2229:     my $version=&get_version();
                   2230:     if ($target eq 'web') {
                   2231: 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2232: 	my @instances = $instance;
                   2233: 	if (&Apache::response::showallfoils()) {
                   2234: 	    @instances = @{$dimension{$dim}{'instances'}};
1.173     albertel 2235: 	}
1.194     albertel 2236: 	my $shown_question_text;
                   2237: 	foreach my $instance (@instances) {
                   2238: 	    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2239: 				     [@_]);
                   2240: 	    $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2241: 				     [@_],{'set_dim_id' => undef});
                   2242: 	    my $task_status = 
                   2243: 		$Apache::lonhomework::history{"resource.$version.0.status"};
                   2244: 	    if ($task_status ne 'pass' && $task_status ne 'fail') {
                   2245: 		
                   2246: 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2247: 				@{$dimension{$dim}{'criterias'}}) {
                   2248: 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2249: 		    &Apache::lonxml::debug("$id is $type");
                   2250: 		    if ($type eq 'dimension') {
                   2251: 			$result.=
                   2252: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2253: 					  [@_],{'set_dim_id' => $id});
1.173     albertel 2254: 		    }
1.194     albertel 2255: 		}
                   2256: 	    } else {
                   2257: 		my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
                   2258: 		my $mandatory='Mandatory';
                   2259: 		if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
                   2260: 		    $mandatory='Optional';
                   2261: 		}
1.200     albertel 2262: 		my $dim_info=
                   2263: 		    "\n<div class='LC_$dim_status LC_question_grade'>\n\t";
1.212     albertel 2264: 		my $ucquestion = 
                   2265: 		    my $question = 
                   2266: 		    ('sub' x $dimension{$dim}{'depth'}).'question';
                   2267: 		$ucquestion =~ s/^(.)/uc($1)/e;
1.194     albertel 2268: 		if ($dim_status eq 'pass') {
1.212     albertel 2269: 		    $dim_info.='<h3>'.$ucquestion.' : you passed the above '.$mandatory.' '.$question.'</h3>';
1.194     albertel 2270: 		}
                   2271: 		if ($dim_status eq 'fail') {
1.212     albertel 2272: 		    $dim_info.='<h3>'.$ucquestion.' : you did not pass the above '.$mandatory.' '.$question.'</h3>';
1.194     albertel 2273: 		}
1.197     albertel 2274: 		my %counts = &get_counts($dim,$instance,$parstack,
                   2275: 					 $safeeval);
                   2276: 
1.200     albertel 2277: 		$dim_info.="\n\t<p>"
1.197     albertel 2278: 		    .&question_status_message(\%counts,
                   2279: 					      $dimension{$dim}{'depth'})
1.200     albertel 2280: 		    ."</p>\n</div>\n";
1.194     albertel 2281: 		
                   2282: 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2283: 				@{$dimension{$dim}{'criterias'}}) {
                   2284: 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2285: 		    if ($type eq 'dimension') {
1.205     albertel 2286: 			if (defined($dimension{$id}{'result'})) {
                   2287: 			    $result.=$dimension{$id}{'result'};
                   2288: 			    next;
                   2289: 			} else {
                   2290: 			    $dim_info .=
                   2291: 				&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2292: 					      [@_],{'set_dim_id' => $id});
                   2293: 			}
                   2294: 		    } else {
                   2295: 			my $criteria =
                   2296: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2297: 					  [@_]);
                   2298: 			$dim_info .= &layout_web_Criteria($dim,$id,$criteria);
1.194     albertel 2299: 		    }
1.169     albertel 2300: 		}
1.202     albertel 2301: 		# puts the results at the end of the dimension
                   2302: 		$result .= $dim_info;
1.169     albertel 2303: 
1.202     albertel 2304: 		# puts the results at the beginning of the dimension
                   2305: 		# my $internal_location=&internal_location($dim);
                   2306: 		# $result=~s/\Q$internal_location\E/$dim_info/;
1.19      albertel 2307: 	    }
1.194     albertel 2308: 	}
1.206     albertel 2309: 	if ($result !~ /^\s*$/s) {
1.209     albertel 2310: 	    # FIXME? this maybe unneccssary in the future, (CSE101 BT
                   2311: 	    # from Fall 2006 geenrate a div that attempts to hide some
                   2312: 	    # of the output in an odd way, this is a workaround so
                   2313: 	    # those old ones will continue to work.  # It puts the
                   2314: 	    # LC_question div to come after any starting closie div
                   2315: 	    # that the dimension produces
1.211     albertel 2316: 	    if ($result =~ m{^\s*</div>}) {
                   2317: 		$result =~ s{^(\s*</div>)}
1.210     albertel 2318: 		            {$1\n<div id="$dim" class="LC_question">};
1.209     albertel 2319: 	    } else {
1.210     albertel 2320: 		$result = "\n".'<div id="'.$dim.'" class="LC_question">'.
1.209     albertel 2321: 		    "\n".$result;
                   2322: 	    }
                   2323: 	    $result .= "\n</div>\n";
1.206     albertel 2324: 	}
1.194     albertel 2325:     } elsif ($target eq 'webgrade') {
                   2326: 	# in case of any side effects that we need
                   2327: 	&nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2328: 	&nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
                   2329: 	$result.=
                   2330: 	    &nested_parse(\$dimension{$dim}{'questiontext'},[@_],
                   2331: 			  {'set_dim_id'          => undef,
1.195     albertel 2332: 			   'delayed_dim_results' => 1});
1.194     albertel 2333: 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2334: 			@{$dimension{$dim}{'criterias'}} ) {
                   2335: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2336: 	    if ($type eq 'dimension') {
                   2337: 		# dimensional 'criteria' don't get assigned grades
                   2338: 		$result.=
                   2339: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2340: 				  [@_],{'set_dim_id' => $id});
                   2341: 		next;
                   2342: 	    } else {
                   2343: 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2344: 					     [@_]);
                   2345: 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
                   2346: 		my $internal_location=&internal_location($id);
1.209     albertel 2347: 		if ($result =~ m/\Q$internal_location\E/) {
                   2348: 		    $result =~ s/\Q$internal_location\E/$criteria/;
                   2349: 		} else {
                   2350: 		    $result.=$criteria ;
                   2351: 		}
1.151     albertel 2352: 	    }
1.194     albertel 2353: 	}
                   2354: 	if (&nest()) {
                   2355: 	    &Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
                   2356: 	    $dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
                   2357: 	    undef($result);
                   2358: 	}
                   2359:     } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
                   2360: 	my $optional_passed=0;
                   2361: 	my $mandatory_failed=0;
                   2362: 	my $ungraded=0;
                   2363: 	my $review=0;
                   2364: 	
                   2365: 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2366: 	$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2367: 				 [@_]);
                   2368: 	$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2369: 				 [@_],{'set_dim_id' => undef});
                   2370: 	
                   2371: 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2372: 			@{$dimension{$dim}{'criterias'}}) {
                   2373: 	    my $link=&link($id);
                   2374: 	    
                   2375: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2376: 	    if ($type eq 'criteria') {
                   2377: 		# dimensional 'criteria' don't get assigned grades
                   2378: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
                   2379: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   2380: 	    } else {
                   2381: 		$result .=
                   2382: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2383: 				  [@_],{'set_dim_id' => $id});
1.20      albertel 2384: 	    }
1.194     albertel 2385: 	    my $status= &get_criteria('status',$version,$dim,$id);
                   2386: 	    
                   2387: 	    my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   2388: 	    if ($status eq 'pass') {
                   2389: 		if (!$mandatory) { $optional_passed++; }
                   2390: 	    } elsif ($status eq 'fail') {
                   2391: 		if ($mandatory) { $mandatory_failed++; }
                   2392: 	    } elsif ($status eq 'review') {
                   2393: 		$review++;
                   2394: 	    } elsif ($status eq 'ungraded') {
                   2395: 		$ungraded++;
1.20      albertel 2396: 	    } else {
1.194     albertel 2397: 		$ungraded++;
1.20      albertel 2398: 	    }
1.194     albertel 2399: 	}
                   2400: 
                   2401: 	my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
                   2402: 	if ($opt_req !~ /\S/) {
                   2403: 	    $opt_req=
                   2404: 		&Apache::lonxml::get_param('OptionalRequired',
                   2405: 					   $parstack,$safeeval);
                   2406: 	    if ($opt_req !~ /\S/) { $opt_req = 0; }
                   2407: 	}
                   2408: 	if ($optional_passed < $opt_req) {
                   2409: 	    $mandatory_failed++;
                   2410: 	}
                   2411: 	&Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
                   2412: 	if ($review) {
                   2413: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2414: 		'review';
                   2415: 	} elsif ($ungraded) {
                   2416: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2417: 		'ungraded';
                   2418: 	} elsif ($mandatory_failed) {
                   2419: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2420: 		'fail';
1.69      albertel 2421: 	} else {
1.194     albertel 2422: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2423: 		'pass';
1.13      albertel 2424: 	}
1.194     albertel 2425:     } else {
                   2426: 	# any other targets no output
                   2427: 	undef($result);
1.1       albertel 2428:     }
1.194     albertel 2429:     &disable_dimension_parsing();
                   2430:     pop(@Apache::bridgetask::dimension);
                   2431:     return $result;
                   2432: }
1.162     albertel 2433: 
1.198     albertel 2434: sub question_status_message {
1.197     albertel 2435:     my ($counts,$depth) = @_;
                   2436:     my %req  = ('man' => 'mandatory',
                   2437: 		'opt' => 'optional',);
                   2438:     my %type = ('cri' => 'criteria',
                   2439: 		'dim' => ('sub'x($depth+1)).'questions',);
                   2440:     my @sections;
                   2441:     foreach my $req ('man','opt') {
                   2442: 	foreach my $type ('cri','dim') {
                   2443: 	    if ($counts->{$req.'_'.$type}) {
                   2444: 		push(@sections,
1.213     albertel 2445: 		     $counts->{$req.'_'.$type.'_passed'}.' of the '.
1.197     albertel 2446: 		     $counts->{$req.'_'.$type}.' '.
                   2447: 		     $req{$req}.' '.$type{$type});
                   2448: 	    }
                   2449: 	}
                   2450:     }
                   2451: 
                   2452:     my $status = 'You passed ';
                   2453:     if (@sections == -1) {
                   2454:     } elsif (@sections == 1) {
                   2455: 	$status .= $sections[0];
                   2456:     } elsif (@sections == 2) {
                   2457: 	$status .= $sections[0].' and '.$sections[1];
                   2458:     } else {
                   2459: 	my $last = pop(@sections);
                   2460: 	$status .= join(', ',@sections).', and '.$last;
                   2461:     }
                   2462:     $status .= '.';
                   2463:     if ($counts->{'opt'}) {
                   2464: 	$status .= ' You were required to pass '.$counts->{'opt_req'}.
                   2465: 	    ' optional component'.($counts->{'opt_req'} == 1?'':'s');
                   2466:     }
                   2467:     return $status;
                   2468: }
                   2469: 
                   2470: sub get_counts {
                   2471:     my ($dim,$instance,$parstack,$safeeval) = @_;
                   2472:     my %counts;
                   2473:     my @possible = ('man_cri','man_dim',
                   2474: 		    'opt_cri','opt_dim',
                   2475: 		    'man_cri_passed', 'man_dim_passed',
                   2476: 		    'opt_cri_passed', 'opt_dim_passed',
                   2477: 		    'man_passed',
                   2478: 		    'opt_passed',
                   2479: 		    'opt_req');
                   2480:     foreach my $which (@possible) { $counts{$which} = 0; }
                   2481: 
                   2482:     my $version = &get_version();
                   2483: 
                   2484:     foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
                   2485: 		     @{$dimension{$dim}{'criterias'}} ) {
                   2486: 	my $status = &get_criteria('status',$version,$dim,$id);
                   2487: 	my $which;
                   2488: 	if ($dimension{$dim}{'criteria.'.$id.'.mandatory'} 
                   2489: 	    eq 'N') {
                   2490: 	    $which = 'opt';
                   2491: 	} else {
                   2492: 	    $which = 'man';
                   2493: 	}
                   2494: 	$counts{$which}++;
                   2495: 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
                   2496: 	if ($dimension{$dim}{'criteria.'.$id.'.type'}
                   2497: 	    eq 'dimension') {
                   2498: 	    $which .= '_dim';
                   2499: 	} else {
                   2500: 	    $which .= '_cri';
                   2501: 	}
                   2502: 	$counts{$which}++;
                   2503: 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
                   2504: 
                   2505: 
                   2506:     }
                   2507:     if ($counts{'man_dim_passed'} eq $counts{'man_dim'}) {
                   2508: 	$counts{'man_dim_passed'}='all';
                   2509:     }
                   2510:     if ($counts{'man_cri_passed'} eq $counts{'man_cri'}) {
                   2511: 	$counts{'man_cri_passed'}='all';
                   2512:     }
                   2513:     
                   2514:     $counts{'opt_req'}=$dimension{$dim}{$instance.'.optionalrequired'};
                   2515:     if ($counts{'opt_req'} !~ /\S/) {
                   2516: 	$counts{'opt_req'}= &Apache::lonxml::get_param('OptionalRequired',
                   2517: 						       $parstack,$safeeval);
                   2518: 	if ($counts{'opt_req'} !~ /\S/) { $counts{'opt_req'} = 0; }
                   2519:     }
                   2520:     return %counts;
                   2521: }
                   2522: 
1.194     albertel 2523: sub end_Setup {
                   2524:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2525:     my $result=&Apache::lonxml::endredirection();
                   2526:     my $dim=&get_id($parstack,$safeeval);
                   2527:     my $instance=&get_instance($dim);
                   2528:     my $version=&get_version();
                   2529:     if ($target eq 'web') {
                   2530: 	@Apache::scripttag::parser_env = @_;
                   2531: 	$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
                   2532: 	my @instances = $instance;
                   2533: 	if (&Apache::response::showallfoils()) {
                   2534: 	    @instances = @{$dimension{$dim}{'instances'}};
                   2535: 	}
                   2536: 	foreach my $instance (@instances) {
1.162     albertel 2537: 	    @Apache::scripttag::parser_env = @_;
1.194     albertel 2538: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
1.162     albertel 2539: 	    @Apache::scripttag::parser_env = @_;
1.194     albertel 2540: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
1.162     albertel 2541: 	}
1.194     albertel 2542:     } elsif ($target eq 'webgrade' 
                   2543: 	     || $target eq 'grade' && $env{'form.webgrade'}) {
                   2544: 	# in case of any side effects that we need
                   2545: 	@Apache::scripttag::parser_env = @_;
                   2546: 	&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
                   2547: 	@Apache::scripttag::parser_env = @_;
                   2548: 	&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
                   2549: 	@Apache::scripttag::parser_env = @_;
                   2550: 	&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
                   2551:     } else {
                   2552: 	# any other targets no output
                   2553: 	undef($result);
1.162     albertel 2554:     }
1.194     albertel 2555:     pop(@Apache::bridgetask::dimension);
                   2556:     return $result;
1.1       albertel 2557: }
                   2558: 
1.113     albertel 2559: sub grading_history {
1.151     albertel 2560:     my ($version,$dim,$id) = @_;
1.113     albertel 2561:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   2562: 	return '';
                   2563:     }
                   2564:     my ($result,$grader);
1.194     albertel 2565:     my $scope="resource.$version.0.";
                   2566:     $scope .= ($dim ne $top) ? "$dim.$id"
                   2567: 	                     : "$id";
1.113     albertel 2568:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   2569: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   2570: 	    my ($gname,$gdom) = 
1.138     albertel 2571: 		split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
1.113     albertel 2572: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   2573: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   2574: 							 $gname,$gdom);
                   2575: 	}
                   2576: 	my $entry;
                   2577: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   2578: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   2579: 	}
                   2580: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   2581: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   2582: 	}
                   2583: 	if ($entry) {
1.200     albertel 2584: 	    $result.= "\n\t\t<li>\n\t\t\t$grader :\n\t\t\t $entry \n\t\t</li>";
1.113     albertel 2585: 	}
                   2586:     }
                   2587:     if ($result) {
1.200     albertel 2588: 	return "\n\t".'<ul class="LC_GRADING_pastgrading">'.$result.
                   2589: 	    "\n\t".'</ul>'."\n";
1.113     albertel 2590:     }
                   2591:     return '';
                   2592: }
                   2593: 
1.1       albertel 2594: sub start_IntroParagraph {
1.87      albertel 2595:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 2596:     my $result;
1.168     albertel 2597:     my $dim = &get_dim_id();
1.153     albertel 2598:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.151     albertel 2599: 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
1.169     albertel 2600: 	    $dimension{$dim}{'intro'}=
1.151     albertel 2601: 		&Apache::lonxml::get_all_text('/introparagraph',
                   2602: 					      $parser,$style);
                   2603:        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2604: 	    &Apache::lonxml::startredirection();
1.1       albertel 2605: 	}
1.47      albertel 2606: 	
1.1       albertel 2607:     }
                   2608:     return $result;
                   2609: }
                   2610: 
                   2611: sub end_IntroParagraph {
1.127     albertel 2612:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 2613:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2614: 	my $result = &Apache::lonxml::endredirection();
                   2615:     }
1.1       albertel 2616: }
                   2617: 
                   2618: sub start_Instance {
                   2619:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.168     albertel 2620:     my $dim = &get_dim_id();
                   2621:     my $id  = &get_id($parstack,$safeeval);
1.169     albertel 2622:     push(@{$dimension{$dim}{'instances'}},$id);
1.168     albertel 2623:     push(@{$Apache::bridgetask::instance{$dim}},$id);
1.19      albertel 2624:     push(@Apache::bridgetask::instancelist,$id);
1.169     albertel 2625:     $dimension{$dim}{$id.'.optionalrequired'}=
1.19      albertel 2626: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 2627:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   2628:     if (lc($disabled) eq 'yes') {
1.169     albertel 2629: 	$dimension{$dim}{$id.'.disabled'}='1';
1.75      albertel 2630:     }
1.1       albertel 2631:     return '';
                   2632: }
                   2633: 
                   2634: sub end_Instance {
                   2635: }
                   2636: 
                   2637: sub start_InstanceText {
1.87      albertel 2638:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2639:     my $dim = &get_dim_id();
                   2640:     my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.87      albertel 2641:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.153     albertel 2642:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.169     albertel 2643: 	$dimension{$dim}{$instance_id.'.text'}=$text;
1.1       albertel 2644:     }
                   2645:     return '';
                   2646: }
                   2647: 
                   2648: sub end_InstanceText {
                   2649:     return '';
                   2650: }
                   2651: 
                   2652: sub start_Criteria {
1.87      albertel 2653:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2654:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.190     albertel 2655:     my $result = '';
1.21      albertel 2656:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.168     albertel 2657: 	my $dim = &get_dim_id();
1.19      albertel 2658: 	my $id=&get_id($parstack,$safeeval);
1.194     albertel 2659: 	if ($target eq 'web' || $target eq 'webgrade') {
1.208     albertel 2660: 	    if ($target eq 'webgrade') {
1.195     albertel 2661: 		&Apache::lonxml::debug(" for $dim $id stashing results into $dim ");
                   2662: 		$dimension{$dim}{'result'} .= &internal_location($id);
                   2663: 	    } else {
                   2664: 		&Apache::lonxml::debug(" not stashing $dim $id");
1.206     albertel 2665: 		#$result .= &internal_location($id);
1.195     albertel 2666: 	    }
1.194     albertel 2667: 	}
1.169     albertel 2668: 	&Apache::lonxml::debug("Criteria $id with $dim");
1.151     albertel 2669: 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
1.168     albertel 2670: 	    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.169     albertel 2671: 	    $dimension{$dim}{"criteria.$instance_id.$id"}=$criteria;
                   2672: 	    $dimension{$dim}{"criteria.$instance_id.$id.type"}='criteria';
                   2673: 	    $dimension{$dim}{"criteria.$instance_id.$id.mandatory"}=
1.151     albertel 2674: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 2675: 	    push(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
1.151     albertel 2676: 	} else {
1.169     albertel 2677: 	    $dimension{$dim}{'criteria.'.$id}=$criteria;
                   2678: 	    $dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
                   2679: 	    $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
1.151     albertel 2680: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 2681: 	    push(@{$dimension{$dim}{'criterias'}},$id);
1.194     albertel 2682: 	}
                   2683:     }
                   2684:     return $result;
                   2685: }
                   2686: 
                   2687: sub layout_web_Criteria {
                   2688:     my ($dim,$id,$criteria) = @_;
1.190     albertel 2689: 
1.194     albertel 2690:     my $version = &get_version();
                   2691:     my $status= &get_criteria('status', $version,$dim,$id);
                   2692:     my $comment=&get_criteria('comment',$version,$dim,$id);
                   2693:     my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   2694:     if ($mandatory) {
                   2695: 	$mandatory='Mandatory';
                   2696:     } else {
                   2697: 	$mandatory='Optional';
1.1       albertel 2698:     }
1.194     albertel 2699:     my $status_display=$status;
                   2700:     $status_display=~s/^([a-z])/uc($1)/e;
                   2701:     my $criteria_info.=
1.200     albertel 2702: 	'<div class="LC_'.$status.' LC_criteria">'."\n\t".'<h4>'
1.204     albertel 2703: 	.$mandatory.' Criteria</h4>'."\n\t".'<p class="LC_criteria_text">'
                   2704: 	."\n";
1.202     albertel 2705:     $criteria =~ s/^\s*//s;
                   2706:     $criteria =~ s/\s*$//s;
1.194     albertel 2707:     $criteria_info.= $criteria;
1.200     albertel 2708:     $criteria_info.="\n\t".'</p>'.
                   2709: 	"\n\t".'<p class="LC_grade">'.$status_display.'</p>';
1.194     albertel 2710:     if ($comment =~ /\w/) {
1.200     albertel 2711: 	$criteria_info.=
                   2712: 	    "\n\t".
                   2713: 	    '<p class="LC_comment">'.&mt('Comment: [_1]',$comment).'</p>';
1.194     albertel 2714:     }
1.200     albertel 2715:     $criteria_info.="\n".'</div>'."\n";
                   2716:     
1.194     albertel 2717:     return $criteria_info;
                   2718: }
                   2719: 
                   2720: sub layout_webgrade_Criteria {
                   2721:     my ($dim,$id,$criteria) = @_;
                   2722:     my $link=&link($id);
                   2723:     my $version = &get_version();
                   2724:     my $status  = &get_criteria('status',$version,$dim,$id);
1.200     albertel 2725:     my %lt = ( 'ungraded' => 'Ungraded',
                   2726: 	       'fail'     => 'Fail',
                   2727: 	       'pass'     => 'Pass',
                   2728: 	       'review'   => 'Review',
                   2729: 	       'comment'  => 'Additional Comment for Student',
                   2730: 	       );
                   2731:     %lt = &Apache::lonlocal::texthash(%lt);
                   2732:     my $comment = &get_criteria('comment',$version,$dim,$id);
                   2733:     $comment = &HTML::Entities::encode($comment,'<>"&');
                   2734:     my %checked;
                   2735:     foreach my $which ('ungraded','fail','pass','review') {
                   2736: 	if ($status eq $which) { $checked{$which} = 'checked="checked"'; }
                   2737:     }
                   2738:     if (!%checked) { $checked{'ungraded'} = 'checked="checked"'; }
1.201     albertel 2739:     my $buttons;
                   2740:     foreach my $which  ('ungraded','fail','pass','review') {
                   2741: 	$buttons .= <<END_BUTTON;
                   2742: 		<label class="LC_GRADING_$which">
                   2743: 			<input type="radio" name="HWVAL_$link" value="$which" $checked{$which} />
                   2744: 			$lt{$which}
                   2745: 		</label>
                   2746: END_BUTTON
                   2747:     }
1.202     albertel 2748:     $criteria =~ s/^\s*//s;
                   2749:     $criteria =~ s/\s*$//s;
1.200     albertel 2750:     my $result = <<END_CRITERIA;
1.201     albertel 2751: <div class="LC_GRADING_criteria">
                   2752: 	<div class="LC_GRADING_criteriatext">
                   2753: 		$criteria
                   2754: 	</div>
                   2755: 	<div class="LC_GRADING_grade">
                   2756: $buttons
                   2757: 	</div>
                   2758: 	<label class="LC_GRADING_comment">
                   2759: 		$lt{'comment'}
                   2760: 		<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_$link">$comment</textarea>
                   2761: 	</label>
                   2762: </div>
1.200     albertel 2763: END_CRITERIA
                   2764:     $result .= &grading_history($version,$dim,$id);
1.190     albertel 2765:     return $result;
1.1       albertel 2766: }
                   2767: 
1.47      albertel 2768: sub end_Criteria {
                   2769: }
                   2770: 
1.186     albertel 2771: sub start_GraderNote {
                   2772:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2773:     
                   2774:     if ($target eq 'webgrade') {
1.187     albertel 2775: 	return '<div class="LC_GRADING_gradernote"><b>'.
                   2776: 	    &mt('Note to graders:').'</b>';
1.186     albertel 2777:     }
                   2778:     my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style); 
                   2779:     return;
                   2780: }
                   2781: 
                   2782: sub end_GraderNote {
                   2783:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2784: 
                   2785:     if ($target eq 'webgrade') {
                   2786: 	return '</div>';
                   2787:     }
                   2788:     return;
                   2789: }
                   2790: 
                   2791: 
                   2792: 
1.4       albertel 2793: sub proctor_validation_screen {
                   2794:     my ($slot) = @_;
1.185     albertel 2795:     my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
1.5       albertel 2796:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 2797:     my $name=&Apache::loncommon::plainname($user,$domain);
                   2798:     
1.4       albertel 2799:     my $msg;
1.11      albertel 2800:     if ($env{'form.proctorpassword'}) {
1.4       albertel 2801: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   2802: 	    .'</font></p>';
                   2803:     }
1.47      albertel 2804:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 2805:     my $result= (<<ENDCHECKOUT);
                   2806: <h2>Proctor Validation</h2>
                   2807:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   2808:     $msg
1.115     albertel 2809: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 2810: <input type="hidden" name="validate" value="yes" />
                   2811: <input type="hidden" name="submitted" value="yes" />
                   2812: <table>
1.44      albertel 2813:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 2814:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 2815:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 2816: </table>
                   2817: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 2818: <table border="1">
                   2819:   <tr><td>
                   2820:     <table>
                   2821:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   2822:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 2823:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.138     albertel 2824:       <tr><td>Usename</td><td>$user:$domain</td></tr>
1.44      albertel 2825:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   2826:     </table>
                   2827:   </tr></td>
                   2828: </table>
1.4       albertel 2829: </form>
                   2830: ENDCHECKOUT
                   2831:     return $result;
                   2832: }
                   2833: 
1.1       albertel 2834: 1;
                   2835: __END__

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