Annotation of loncom/homework/bridgetask.pm, revision 1.216

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.216   ! albertel    4: # $Id: bridgetask.pm,v 1.215 2006/12/28 20:12:54 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);
1.216   ! albertel  101: 	&Apache::structuretags::finalize_storage($res->symb);
1.174     albertel  102:     }
                    103:     return 1;
                    104: }
                    105: 
                    106: sub check_in_sequence {
                    107:     my ($user,$domain,$slot_name) = @_;
                    108:     my $navmap = Apache::lonnavmaps::navmap->new();
1.185     albertel  109:     my ($symb) = &Apache::lonnet::whichuser();
1.174     albertel  110:     my ($map)  = &Apache::lonnet::decode_symb($symb);
1.175     albertel  111:     my @resources = 
                    112: 	$navmap->retrieveResources($map, sub { $_[0]->is_problem() },0,0);
1.174     albertel  113:     my %old_history = %Apache::lonhomework::history;
                    114:     my %old_results = %Apache::lonhomework::results;
                    115: 
                    116:     foreach my $res (@resources) {
                    117: 	&Apache::lonxml::debug("doing ".$res->src);
                    118: 	&Apache::structuretags::initialize_storage($res->symb);
                    119: 	my $type = ($res->is_task()) ? 'Task' : 'problem';
                    120: 	&create_new_version($type,$user,$domain,$slot_name);
                    121: 	&Apache::structuretags::finalize_storage($res->symb);
                    122:     }
                    123:     
                    124:     %Apache::lonhomework::history = %old_history;
                    125:     %Apache::lonhomework::results = %old_results;
                    126: }
                    127: 
1.150     albertel  128: sub create_new_version {
                    129:     my ($type,$user,$domain,$slot_name) = @_;
1.174     albertel  130:     
                    131:     my $id = '0';
1.150     albertel  132:     if ($type eq 'Task') {
                    133: 	# increment version
                    134: 	my $version=
                    135: 	    $Apache::lonhomework::history{'resource.0.version'};
                    136: 	$version++;
1.152     albertel  137: 	&Apache::lonxml::debug("Making version $version");
1.150     albertel  138: 	#clean out all current results
                    139: 	foreach my $key (keys(%Apache::lonhomework::history)) {
                    140: 	    if ($key=~/^resource\.0\./) {
                    141: 		$Apache::lonhomework::results{$key}='';
                    142: 	    }
                    143: 	}
                    144: 	
                    145: 	#setup new version and who did it
1.174     albertel  146:        	$Apache::lonhomework::results{'resource.0.version'}=$version;
                    147: 	$id = "$version.0";
1.178     albertel  148: 	if (!defined($user) || !defined($domain)) {
1.174     albertel  149: 	    $user = $env{'user.name'};
                    150: 	    $domain = $env{'user.domain'};
1.150     albertel  151: 	}
1.174     albertel  152: 	
1.150     albertel  153:     } elsif ($type eq 'problem') {
                    154: 	&Apache::lonxml::debug("authed $slot_name");
1.174     albertel  155:     }
1.181     albertel  156:     if (!defined($user) || !defined($domain)) {
                    157: 	$user = $env{'user.name'};
                    158: 	$domain = $env{'user.domain'};
                    159:     }
                    160: 
                    161:     $Apache::lonhomework::results{"resource.$id.checkedin"}=
                    162: 	$user.':'.$domain;
1.174     albertel  163: 
                    164:     if (defined($slot_name)) {
                    165: 	$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
                    166: 	    $slot_name;
1.150     albertel  167:     }
                    168: }
                    169: 
1.25      albertel  170: sub get_version {
1.29      albertel  171:     my ($version,$previous);
1.25      albertel  172:     if ($env{'form.previousversion'} && 
1.36      albertel  173: 	$env{'form.previousversion'} ne 'current' &&
1.89      albertel  174: 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
1.29      albertel  175: 	$version=$env{'form.previousversion'};
                    176: 	$previous=1;
                    177:     } else {
1.150     albertel  178: 	if (defined($Apache::lonhomework::results{'resource.0.version'})) {
                    179: 	    $version=$Apache::lonhomework::results{'resource.0.version'};
                    180: 	} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
                    181: 	    $version=$Apache::lonhomework::history{'resource.0.version'};
                    182: 	}
1.29      albertel  183: 	$previous=0;
                    184:     }
                    185:     if (wantarray) {
                    186: 	return ($version,$previous);
1.25      albertel  187:     }
1.29      albertel  188:     return $version;
1.25      albertel  189: }
                    190: 
1.8       albertel  191: sub add_previous_version_button {
1.25      albertel  192:     my ($status)=@_;
1.8       albertel  193:     my $result;
1.89      albertel  194:     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
1.25      albertel  195: 	return '';
                    196:     }
1.89      albertel  197:     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
1.29      albertel  198: 	$status ne 'NEEDS_CHECKIN') {
1.25      albertel  199: 	return '';
                    200:     }
1.29      albertel  201:     my $version=&get_version();
                    202:     if ($env{'form.previousversion'} ne '' &&
                    203: 	$env{'form.previousversion'} eq $version) {
                    204: 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
                    205: 	    "</h3>\n";
                    206:     }
                    207:     my @to_show;
1.89      albertel  208:     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
                    209: 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
1.29      albertel  210: 	    push(@to_show,$test_version);
                    211: 	}
                    212:     }
                    213:     my $list='<option>'.
                    214: 	join("</option>\n<option>",@to_show).
                    215: 	     "</option>\n";
1.36      albertel  216:     $list.='<option value="current">'.&mt('Current').'</option>';
1.115     albertel  217:     $result.='<form name="getprevious" method="post" action="';
1.29      albertel  218:     my $uri=$env{'request.uri'};
                    219:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    220:     $result.=$uri.'">'.
                    221: 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
                    222: <option>'.&mt('Pick one').'</option>
                    223: '.$list.'
                    224: </select>')."</form>";
1.8       albertel  225:     return $result;
                    226: }
                    227: 
1.13      albertel  228: sub add_grading_button {
1.185     albertel  229:     my (undef,$cid)=&Apache::lonnet::whichuser();
1.59      albertel  230:     my $cnum=$env{'course.'.$cid.'.num'};
                    231:     my $cdom=$env{'course.'.$cid.'.domain'};
1.144     albertel  232:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
                    233: 
1.59      albertel  234:     my $size=5;
                    235:     if (scalar(keys(%sections)) < 3) {
                    236: 	$size=scalar(keys(%sections))+2;
                    237:     }
1.200     albertel  238:     my $sec_select = "\n".'<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
                    239:     $sec_select .= "\t<option value='all' selected='selected'>all</option>\n";
1.59      albertel  240:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
1.200     albertel  241: 	$sec_select .= "\t<option value=\"$sec\">$sec</option>\n";
1.59      albertel  242:     }
1.200     albertel  243:     $sec_select .= "\t<option value='none'>none</option>\n</select>\n";
1.59      albertel  244:     
1.200     albertel  245:     my $result="\n\t".'<input type="submit" name="gradeasubmission" value="'.
1.13      albertel  246: 	&mt("Get a submission to grade").'" />';
1.200     albertel  247:     $result.="\n\t".'<input type="hidden" name="grade_target" value="webgrade" />';
1.40      albertel  248:     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.34      albertel  249: 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
1.200     albertel  250: 	$result.="\n\t".'<table>'."\n\t\t".'<tr>';
                    251: 	$result.="\n\t\t\t".'<td rowspan="4">Specify a section: </td>'.
                    252: 	    "\n\t\t\t".'<td rowspan="4">'.$sec_select."\n\t\t\t".'</td>';
                    253: 	$result.="\n\t\t\t".'<td>'.'<input type="submit" name="reviewagrading" value="'.
1.106     albertel  254: 	    &mt("Select an entry from the grading queue:").'" /> ';
1.34      albertel  255: 
1.200     albertel  256: 	$result.= "\n\t\t\t\t".&mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
1.34      albertel  257: 
                    258: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
1.200     albertel  259: 	$result.="\n\t\t".'<tr>'.
                    260: 	    "\n\t\t\t".'<td>'.
                    261: 	    "\n\t\t\t\t".'<input type="submit" name="reviewasubmission" value="'.
1.106     albertel  262: 	    &mt("Select an entry from the review queue:").'" /> ';
                    263: 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
1.200     albertel  264: 		     $entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
                    265: 	$result.="\n\t\t".'<tr>'.
                    266: 	    "\n\t\t\t".'<td>'.
                    267: 	    "\n\t\t\t\t".'<input type="submit" name="regradeasubmission" value="'.
                    268: 	    &mt("List of user's grade status").'" /> </td>'
                    269: 	    ."\n\t\t".'</tr>'
                    270: 	    ."\n\t".'</table>'."\n";
                    271: 	$result.="\n\t".'<p>'.
                    272: 	    "\n\t\t".'<input type="submit" name="regradeaspecificsubmission" value="'.
                    273: 	    &mt("Regrade specific user:").'" />';
                    274: 	$result.= "\n\t\t".'<input type="text" size="12" name="gradinguser" />';
1.105     albertel  275: 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
                    276: 						     'gradingdomain');
                    277: 	$result.=' '.
                    278: 	    &Apache::loncommon::selectstudent_link('gradesubmission',
                    279: 						   'gradinguser',
                    280: 						   'gradingdomain');
                    281: 	$result.=&Apache::loncommon::studentbrowser_javascript();
1.200     albertel  282: 	$result.= '</p>'."\n";
1.144     albertel  283:     }
1.13      albertel  284:     return $result;
                    285: }
                    286: 
1.22      albertel  287: sub add_request_another_attempt_button {
1.38      albertel  288:     my ($text)=@_;
                    289:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  290:     my $result;
1.36      albertel  291:     my $symb=&Apache::lonnet::symbread();
1.149     albertel  292:     # not a slot access based resource
                    293:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
                    294:     if ($useslots =~ /^\s*no\s*$/i) {
                    295: 	return '';
                    296:     }
                    297: 
1.37      albertel  298:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  299:     my $action='get_reservation';
1.37      albertel  300:     if ($slot_name) {
1.38      albertel  301: 	$text="Change reservation.";
                    302: 	$action='change_reservation';
1.37      albertel  303: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    304: 							      $slot);
                    305: 	$result.=(<<STUFF);
1.200     albertel  306:     <p> Will be next available: $description </p>
1.37      albertel  307: STUFF
                    308:     }
1.38      albertel  309:     
                    310:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
1.158     www       311:     $symb=&escape($symb);
1.200     albertel  312:     $result.=
                    313:         "\n\t".'<form method="post" action="/adm/slotrequest">'."\n\t\t".
                    314: 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n\t\t".
                    315: 	'<input type="hidden" name="command" value="'.$action.'" />'."\n\t\t".
1.38      albertel  316: 	'<input type="submit" name="requestattempt" value="'.
1.200     albertel  317: 	&mt($text).'" />'."\n\t".
                    318: 	'</form>'."\n";
1.25      albertel  319:     return $result;
1.22      albertel  320: }
                    321: 
1.30      albertel  322: sub preserve_grade_info {
                    323:     my $result;
                    324:     # if we are viewing someone else preserve that info
                    325:     if (defined $env{'form.grade_symb'}) {
                    326: 	foreach my $field ('symb','courseid','domain','username') {
                    327: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    328: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    329: 	}
                    330:     }
                    331:     return $result;
                    332: }
                    333: 
1.53      albertel  334: sub style {
1.125     albertel  335:     my ($target) = @_;
                    336:     if ($target eq 'web'
                    337: 	|| $target eq 'webgrade') {
1.192     albertel  338: 	my $style = (<<STYLE);
1.126     albertel  339: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
1.53      albertel  340: STYLE
1.192     albertel  341:         if ($env{'browser.type'} eq 'explorer'
                    342: 	    && $env{'browser.os'} eq 'win' ) {
                    343: 	    if ($env{'browser.version'} < 7) {
                    344: 		$style .= (<<STYLE);
                    345: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie.css" />
                    346: STYLE
                    347:             } else {
                    348: 		$style .= (<<STYLE);
                    349: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie7.css" />
                    350: STYLE
                    351: 	    }
                    352: 	}
1.193     albertel  353: 	return $style;
1.125     albertel  354:     }
                    355:     return;
1.53      albertel  356: }
                    357: 
1.54      albertel  358: sub show_task {
                    359:     my ($status,$previous)=@_;
                    360:     if (!$previous && (
                    361: 		       ( $status eq 'CLOSED' ) ||
                    362: 		       ( $status eq 'BANNED') ||
                    363: 		       ( $status eq 'UNAVAILABLE') ||
                    364: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    365: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    366: 		       ( $status eq 'WAITING_FOR_GRADE') ||
1.150     albertel  367: 		       ( $status eq 'INVALID_ACCESS') ||
                    368: 		       ( &get_version() eq ''))) {
1.54      albertel  369: 	return 0;
                    370:     }
1.64      albertel  371:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  372:     return 1;
                    373: }
                    374: 
1.173     albertel  375: my @delay;
                    376: sub nest { 
                    377:     if (@delay) {
                    378: 	return $delay[-1];
                    379:     } else {
                    380: 	return;
                    381:     }
                    382: }
                    383: 
1.208     albertel  384: sub start_delay {
                    385:     push(@delay,1);
                    386: }
                    387: sub end_delay {
                    388:     pop(@delay);
                    389: }
                    390: 
1.173     albertel  391: sub nested_parse {
                    392:     my ($str,$env,$args) = @_;
                    393:     my @old_env = @Apache::scripttag::parser_env;
                    394:     @Apache::scripttag::parser_env = @$env;
                    395:     if (exists($args->{'set_dim_id'})) {
                    396: 	&enable_dimension_parsing($args->{'set_dim_id'});
                    397:     }
                    398:     push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
                    399:     my $result = &Apache::scripttag::xmlparse($$str);
                    400:     pop(@delay);
                    401:     if (exists($args->{'set_dim_id'})) {
                    402: 	&disable_dimension_parsing();
                    403:     }
                    404:     @Apache::scripttag::parser_env = @old_env;
                    405:     if ($args->{'delayed_dim_results'}) {
                    406: 	my $dim = &get_dim_id();
1.180     albertel  407: 	&Apache::lonxml::debug(" tossing out $result ");
                    408: 	&Apache::lonxml::debug(" usining out $dim 's  ". $dimension{$dim}{'result'});
1.173     albertel  409: 	return $dimension{$dim}{'result'};
                    410:     }
                    411:     return $result;
                    412: }
                    413: 
1.54      albertel  414: sub internal_location {
                    415:     my ($id)=@_;
                    416:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    417: }
                    418: 
1.60      albertel  419: sub submission_time_stamp {
1.185     albertel  420:     my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.60      albertel  421:     my $submissiontime;
1.89      albertel  422:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  423:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
1.183     albertel  424: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
                    425: 	    && defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
1.60      albertel  426: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
1.182     albertel  427: 	    last;
1.60      albertel  428: 	}
                    429:     }
                    430:     my $result;
                    431:     if ($submissiontime) {
1.89      albertel  432: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  433: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    434: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  435: 	my ($color,$when)=('#FF6666','after');
                    436: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  437: 	my $info;
1.182     albertel  438: 	$diff = abs($diff);
1.60      albertel  439: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    440: 	$diff=int($diff/60);
                    441: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    442: 	$diff=int($diff/60);
                    443: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    444: 	$result='<p><font color="'.$color.'">'.
1.182     albertel  445: 	    &mt('Student submitted [_1] [_2] the deadline. '.
                    446: 		'(Submission was at [_3], end of period was [_4].)',
                    447: 		$info,$when,
                    448: 		&Apache::lonlocal::locallocaltime($submissiontime),
                    449: 		&Apache::lonlocal::locallocaltime($slot{'endtime'})).
1.60      albertel  450: 		'</font></p>';
                    451:     }
                    452:     return $result;
                    453: }
                    454: 
1.119     albertel  455: sub file_list {
                    456:     my ($files,$uname,$udom) = @_;
                    457:     if (!defined($uname) || !defined($udom)) {
1.185     albertel  458: 	(undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
1.119     albertel  459:     }
1.70      albertel  460:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.119     albertel  461: 
1.120     albertel  462:     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
1.119     albertel  463:     foreach my $partial_file (split(',',$files)) {
1.70      albertel  464: 	my $file=$file_url.$partial_file;
                    465: 	$file=~s|/+|/|g;
                    466: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.161     albertel  467: 	$file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
                    468: 	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
                    469: 	    '</a></span></li>'."\n";
1.70      albertel  470:     }
                    471:     $file_list.="</ul>\n";
1.119     albertel  472:     return $file_list;
                    473: }
                    474: 
1.163     albertel  475: sub grade_mode {
                    476:     if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
                    477: 	return 'regrade';
                    478:     }
                    479:     return 'queue_grade';
                    480: }
                    481: 
1.119     albertel  482: sub webgrade_standard_info {
                    483:     my ($version)=&get_version();
                    484: 
                    485:     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
1.70      albertel  486: 
1.163     albertel  487:     my %lt=('done'   => 'Next Item',
                    488: 	    'stop'   => 'Quit Grading',
                    489: 	    'fail'   => 'Fail Rest',
                    490: 	    'cancel' => 'Cancel',
                    491: 	    );
1.170     albertel  492:     %lt=&Apache::lonlocal::texthash(%lt);
1.163     albertel  493: 
1.70      albertel  494:     my $result=<<INFO;
1.120     albertel  495:   <div class="LC_GRADING_maincontrols">
1.163     albertel  496: INFO
                    497: 
                    498:     if (&grade_mode() eq 'regrade') {
                    499: 	$result.=<<INFO;
                    500:     <input type="submit" name="cancel" value="$lt{'cancel'}" />
                    501: INFO
                    502:     }
                    503: 
                    504:     $result.=<<INFO;
1.111     albertel  505:     <input type="submit" name="next" value="$lt{'done'}" />
                    506:     <input type="submit" name="stop" value="$lt{'stop'}" />
1.143     albertel  507:     <input type="button" name="fail" value="$lt{'fail'}" 
                    508:            onclick="javascript:onFailRest()" />
1.111     albertel  509:   </div>
1.70      albertel  510:   $file_list
                    511: INFO
                    512:     return $result;
                    513: }
                    514: 
1.166     albertel  515: sub done_screen {
                    516:     my ($version) = @_;
                    517:     my $title=&Apache::lonnet::gettitle();
                    518:     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
1.185     albertel  519:     my (undef,undef,$domain,$user)= &Apache::lonnet::whichuser();
1.166     albertel  520:     my $files = '<ul>';
1.167     albertel  521:     my $msg;
1.166     albertel  522:     foreach my $file (@files) {
                    523: 	my $url="/uploaded/$domain/$user/portfolio$file";
                    524: 	if (! &Apache::lonnet::stat_file($url)) {
                    525: 	    $file = &mt('<span class="LC_error"> Nonexistent file:</span> '.
                    526: 			'<span class="LC_filename">[_1]</span>',$file);
1.167     albertel  527: 	    $msg .= "<p>Submitted non-existant file $file</p>\n";
1.166     albertel  528: 	} else {
                    529: 	    $file = '<span class="LC_filename">'.$file.'</span>';
1.167     albertel  530: 	    $msg .= "<p>Submitted file $file</p>\n";
1.166     albertel  531: 	}
                    532: 	$files .= '<li>'.$file.'</li>';
                    533:     }
                    534:     $files.='</ul>';
1.167     albertel  535:     my $subject = "Submission message for $title";
                    536:     my ($message_status,$comment_status);
                    537:     my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
                    538:     $setting =~ s/^\s*(\S*)\s*$/$1/;
                    539:     $setting = lc($setting);
                    540:     if ($setting eq 'only_student'
                    541: 	|| $setting eq 'student_and_user_notes_screen') {
                    542: 	$message_status =
                    543: 	    &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
                    544: 	$message_status = '<p>'.&mt('Message sent to user: [_1]',
                    545: 				    $message_status).' </p>';
                    546:     }
                    547:     if ($setting eq 'student_and_user_notes_screen') {
                    548: 	$comment_status = 
                    549: 	    &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
                    550: 						      $msg,$user,$domain);
                    551: 	$comment_status = '<p>'.&mt('Message sent to instructor: [_1]',
                    552: 				    $comment_status).' </p>';
                    553:     }
1.166     albertel  554:     return <<DONESCREEN;
                    555: <h2>$title</h2>
                    556: <p> Files submitted: $files </p>
                    557: <p> You are now done with this Bridge Task </p>
                    558: <hr />
                    559: <p> <a href="/adm/logout">Logout</a> </p>
                    560: <p> <a href="/adm/roles">Change to a different course</a> </p>
1.167     albertel  561: $message_status
                    562: $comment_status
1.166     albertel  563: DONESCREEN
                    564: 
                    565: }
                    566: 
1.1       albertel  567: sub start_Task {
1.87      albertel  568:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  569: 
1.4       albertel  570:     my ($status,$accessmsg,$slot);
1.179     albertel  571:     &Apache::structuretags::init_problem_globals('Task');
1.16      albertel  572:     if ($target ne 'webgrade') {
                    573: 	&Apache::structuretags::initialize_storage();
                    574: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  575: 	if ($env{'request.state'} eq 'construct') {
                    576: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    577: 	}
1.16      albertel  578:     } 
                    579: 
1.4       albertel  580:     $Apache::lonhomework::parsing_a_task=1;
1.141     albertel  581: 
                    582:     my $name;
                    583:     if ($target eq 'web' || $target eq 'webgrade') {
                    584: 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    585:     }
                    586: 
1.145     albertel  587:     my ($result,$form_tag_start);
                    588:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
                    589: 	|| $target eq 'edit') {
                    590: 	($result,$form_tag_start) =
                    591: 	    &Apache::structuretags::page_start($target,$token,$tagstack,
                    592: 					       $parstack,$parser,$safeeval,
1.146     albertel  593: 					       $name,&style($target));
1.145     albertel  594: 	$result .= '<div class="LC_task">'."\n";
                    595:     }
1.123     albertel  596: 
1.74      albertel  597:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.147     albertel  598: 	if ($Apache::lonhomework::queuegrade
                    599: 	    || $Apache::lonhomework::modifygrades) {
1.141     albertel  600: 	    $result.='<form name="gradesubmission" method="post" action="';
1.13      albertel  601: 	    my $uri=$env{'request.uri'};
                    602: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.200     albertel  603: 	    $result.=$uri.'">'.&add_grading_button()."</form>\n";
1.38      albertel  604: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  605: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.141     albertel  606: 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  607: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    608: 		    '<input type="hidden" name="command" value="showslots" />'.
                    609: 		    '<input type="submit" name="requestattempt" value="'.
                    610: 		    &mt('Show Slot list').'" />'.
                    611: 		    '</form>';
1.108     albertel  612: 		my $target_id = 
                    613: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    614: 							     part => '0'});
1.141     albertel  615: 		$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  616: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    617: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    618: 		    '<input type="submit" name="grading" value="'.
                    619: 		    &mt('Show Grading Status').'" />'.
                    620: 		    '</form>';
1.40      albertel  621: 	    }
1.13      albertel  622: 	}
1.8       albertel  623:     }
1.74      albertel  624:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    625: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    626:     }
1.163     albertel  627:     if ($target eq 'web' 
                    628: 	|| ($target eq 'grade' && !$env{'form.webgrade'}) 
                    629: 	|| $target eq 'answer' 
                    630: 	|| $target eq 'tex') {
1.29      albertel  631: 	my ($version,$previous)=&get_version();
1.14      albertel  632: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  633: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.152     albertel  634: 	if ($status eq 'CAN_ANSWER' && $version eq '') {
1.177     albertel  635: 	    # CAN_ANSWER mode, and no current version, unproctored access
1.174     albertel  636: 	    # thus self-checkedin
1.177     albertel  637: 	    &check_in('Task',undef,undef,$slot_name);
1.152     albertel  638: 	    &add_to_queue('gradingqueue',{'type' => 'Task',
                    639: 					  'time' => time,
                    640: 					  'slot' => $slot_name});
1.150     albertel  641: 	    ($version,$previous)=&get_version();
                    642: 	}
                    643: 
1.9       albertel  644: 	push(@Apache::inputtags::status,$status);
1.14      albertel  645: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  646: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  647: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  648: 	&Apache::run::run($expression,$safeeval);
                    649: 	&Apache::lonxml::debug("Got $status");
1.141     albertel  650: 	$result.=&add_previous_version_button($status);
1.54      albertel  651: 	if (!&show_task($status,$previous)) {
1.87      albertel  652: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  653: 	    if ( $target eq "web" ) {
1.74      albertel  654: 		if ($env{'request.state'} eq 'construct') {
                    655: 		    $result.=$form_tag_start;
                    656: 		}
1.4       albertel  657: 		my $msg;
1.1       albertel  658: 		if ($status eq 'UNAVAILABLE') {
                    659: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  660: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    661: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  662: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  663: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    664: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    665: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  666: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    667: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  668: 		} elsif ($env{'form.donescreen'}) {
1.167     albertel  669: 		    $result .= &done_screen($version);
1.1       albertel  670: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    671: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    672: 		}
                    673: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    674: 		    $msg.='The problem '.$accessmsg;
                    675: 		}
                    676: 		$result.=$msg.'<br />';
                    677: 	    } elsif ($target eq 'tex') {
                    678: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    679: 		if ($status eq 'UNAVAILABLE') {
                    680: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    681: 		} else {
                    682: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    683: 		}
1.22      albertel  684: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  685: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  686: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    687: 		       && defined($Apache::inputtags::slot_name)) {
1.148     albertel  688: 			my $result=
                    689: 			    &add_to_queue('gradingqueue',
1.152     albertel  690: 					  {'type' => 'Task',
1.148     albertel  691: 					   'time' => time,
                    692: 					   'slot' => 
                    693: 					       $Apache::inputtags::slot_name});
1.77      albertel  694: 			&Apache::lonxml::debug("add_to_queue said $result");
                    695: 		    }
1.4       albertel  696: 		}
1.1       albertel  697: 	    }
                    698: 	} elsif ($target eq 'web') {
1.141     albertel  699: 
1.57      albertel  700: 	    $result.=&preserve_grade_info();
1.194     albertel  701: 	    $result.=&internal_location(); 
1.200     albertel  702: 	    $result.=$form_tag_start."\t".
1.36      albertel  703: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  704: 	    &Apache::lonxml::startredirection();
1.1       albertel  705: 	}
1.21      albertel  706:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    707: 	      $target eq 'webgrade') {
1.32      albertel  708: 	my $webgrade='yes';
1.21      albertel  709: 	if ($target eq 'webgrade') {
1.141     albertel  710: 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
1.124     albertel  711: 		'<script type="text/javascript" 
1.126     albertel  712:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  713: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    714: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  715: 	}
1.194     albertel  716: 
1.105     albertel  717: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  718: 
                    719: 	if ($todo) {
                    720: 	    &setup_env_for_other_user($todo,$safeeval);
                    721: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    722: 	    $result.="\n".'<table><tr><td>Found '.
                    723: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    724: 	    $form_tag_start.=
                    725: 		'<input type="hidden" name="gradingkey" value="'.
1.158     www       726: 		&escape($todo).'" />';
1.33      albertel  727: 	    $Apache::bridgetask::queue_key=$todo;
                    728: 	    &Apache::structuretags::initialize_storage();
                    729: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  730: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    731: 		$form_tag_start.=
                    732: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  733: 	    }
1.15      albertel  734: 	} else {
1.33      albertel  735: 	    if ($target eq 'webgrade') {
                    736: 		$result.="\n";
1.81      albertel  737: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    738: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  739: 		if      ($status_code eq 'stop') {
1.81      albertel  740: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.163     albertel  741: 		} elsif ($status_code eq 'cancel') {
                    742: 		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
1.164     albertel  743: 		} elsif ($status_code eq 'never_versioned') {
                    744: 		    $result.='<b>'.
                    745: 			&mt("Requested user has never accessed the task.").
                    746: 			'</b>'.$back;
1.165     albertel  747: 		} elsif ($status_code =~ /still_open:(.*)/) {
                    748: 		    my $date = &Apache::lonlocal::locallocaltime($1);
                    749: 		    $result.='<b>'.
                    750: 			&mt("Task is still open, will close at [_1].",$date).
                    751: 			'</b>'.$back;
1.33      albertel  752: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  753: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  754: 			.'</b>'.$back;
1.33      albertel  755: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  756: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    757: 			.'</b>'.$back;
1.33      albertel  758: 		    $result.=&show_queue($env{'form.queue'},1);
                    759: 		} elsif ($status_code eq 'show_list') {
                    760: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  761: 		} elsif ($status_code eq 'select_user') {
                    762: 		    $result.=&select_user();
1.95      albertel  763: 		} elsif ($status_code eq 'unable') {
                    764: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  765: 		} elsif ($status_code eq 'not_allowed') {
                    766: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  767: 		} else {
1.81      albertel  768: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  769: 		}
1.21      albertel  770: 	    }
1.33      albertel  771: 	    $webgrade='no';
1.163     albertel  772: 	}
                    773: 	if (!$todo || $env{'form.cancel'}) {
1.87      albertel  774: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  775: 	}
                    776: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  777: 	    if ($webgrade eq 'yes') {
                    778: 		$result.=&submission_time_stamp();
                    779: 	    }
1.32      albertel  780: 	    $result.=$form_tag_start;
                    781: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    782: 		$webgrade.'" />';
                    783: 	    $result.='<input type="hidden" name="queue" value="'.
                    784: 		$env{'form.queue'}.'" />';
1.52      albertel  785: 	    if ($env{'form.regrade'}) {
                    786: 		$result.='<input type="hidden" name="regrade" value="'.
                    787: 		    $env{'form.regrade'}.'" />';
                    788: 	    }
1.62      albertel  789: 	    if ($env{'form.chosensections'}) {
                    790: 		my @chosen_sections=
                    791: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    792: 		foreach my $sec (@chosen_sections) {
                    793: 		    $result.='<input type="hidden" name="chosensections" 
                    794:                                value="'.$sec.'" />';
                    795: 		}
                    796: 	    }
1.70      albertel  797: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  798: 	}
1.110     albertel  799: 	if ($target eq 'webgrade') {
1.120     albertel  800: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.194     albertel  801: 	    &Apache::lonxml::startredirection();
1.208     albertel  802: 	    &start_delay();
                    803: 	    $dimension{$top}{'result'}=$result;
                    804: 	    undef($result);
1.110     albertel  805: 	}
1.74      albertel  806:     } elsif ($target eq 'edit') {
1.141     albertel  807: 	$result.=$form_tag_start.
1.74      albertel  808: 	    &Apache::structuretags::problem_edit_header();
                    809: 	$Apache::lonxml::warnings_error_header=
                    810: 	    &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 />";
                    811: 	my $temp=&Apache::edit::insertlist($target,$token);
                    812: 	$result.=$temp;
1.1       albertel  813:     } else {
                    814: 	# page_start returned a starting result, delete it if we don't need it
                    815: 	$result = '';
                    816:     }
                    817:     return $result;
                    818: }
                    819: 
1.165     albertel  820: sub get_task_end_time {
                    821:     my ($queue_entry,$symb,$udom,$uname) = @_;
                    822: 
                    823:     my $end_time;
                    824:     if (my $slot = &slotted_access($queue_entry)) {
                    825: 	my %slot_data=&Apache::lonnet::get_slot($slot);
                    826: 	$end_time = $slot_data{'endtime'};
                    827:     } else {
                    828: 	$end_time = &Apache::lonhomework::due_date('0',$symb,
                    829: 						   $udom,$uname);
                    830:     }
                    831:     return $end_time;
                    832: }
                    833: 
1.32      albertel  834: sub get_key_todo {
                    835:     my ($target)=@_;
                    836:     my $todo;
1.33      albertel  837: 
                    838:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  839: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  840: 	$env{'form.queue'}='reviewqueue';
                    841: 	return (undef,'show_list');
                    842:     }
                    843: 
                    844:     if (defined($env{'form.reviewagrading'})) {
                    845: 	&Apache::lonxml::debug("review a grading....");
                    846: 	$env{'form.queue'}='gradingqueue';
                    847: 	return (undef,'show_list');
                    848:     }
                    849: 
1.49      albertel  850:     if (defined($env{'form.regradeasubmission'})) {
                    851: 	&Apache::lonxml::debug("regrade a grading....");
                    852: 	$env{'form.queue'}='none';
                    853: 	return (undef,'select_user');
                    854:     }
                    855: 
1.105     albertel  856: 
1.138     albertel  857:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.105     albertel  858: 
                    859:     #need to try both queues..
                    860:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    861: 	defined($env{'form.gradinguser'})               &&
                    862: 	defined($env{'form.gradingdomain'})               ) {
1.185     albertel  863: 	my ($symb,$cid)=&Apache::lonnet::whichuser();
1.105     albertel  864: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    865: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    866: 	my $uname = $env{'form.gradinguser'};
                    867: 	my $udom  = $env{'form.gradingdomain'};
                    868: 
                    869: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    870: 
                    871: 	my $queue;
                    872: 
                    873: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    874: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    875: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    876: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    877: 	}
                    878: 	
                    879: 	if (!$queue) {
                    880: 	    $env{'form.queue'} = $queue = 'none';
                    881: 	    #not queued so doing either a re or pre grade
1.164     albertel  882: 	    my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
                    883: 	    if ($status{'resource.0.version'} < 1) {
                    884: 		return (undef,'never_versioned');
                    885: 	    }
1.105     albertel  886: 	    return ($gradingkey);
                    887: 	}
                    888: 
1.165     albertel  889: 	if ($queue) {
                    890: 	    my $queue_entry = &get_queue_data($queue,$udom,$uname);
                    891: 	
                    892: 	    my $end_time = &get_task_end_time($queue_entry,$symb,
                    893: 					      $udom,$uname);
                    894: 	    if ($end_time > time) {
                    895: 		return (undef,"still_open:$end_time");
                    896: 	    }
                    897: 	}
                    898: 
1.105     albertel  899: 	my $who=&queue_key_locked($queue,$gradingkey);
                    900: 	if ($who eq $me) {
                    901: 	    #already have the lock
1.158     www       902: 	    $env{'form.gradingkey'}=&escape($gradingkey);
1.163     albertel  903: 	    &Apache::lonxml::debug("already locked");
1.105     albertel  904: 	    return ($gradingkey);
                    905: 	}
                    906: 	
                    907: 	if (!defined($who)) {
                    908: 	    if (&lock_key($queue,$gradingkey)) {
1.163     albertel  909: 		&Apache::lonxml::debug("newly locked");
1.105     albertel  910: 		return ($gradingkey);
                    911: 	    } else {
                    912: 		return (undef,'lock_failed');
                    913: 	    }
                    914: 	}
                    915: 
                    916: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    917: 	return (undef,'not_allowed',
                    918: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
1.138     albertel  919: 		    $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
1.105     albertel  920:     }
                    921: 
                    922: 
1.32      albertel  923:     my $queue=$env{'form.queue'};
1.33      albertel  924: 
1.32      albertel  925:     if (!defined($queue)) {
                    926: 	$env{'form.queue'}=$queue='gradingqueue';
                    927:     }
1.33      albertel  928: 
1.158     www       929:     my $gradingkey=&unescape($env{'form.gradingkey'});
1.33      albertel  930: 
1.49      albertel  931:     if ($env{'form.queue'} eq 'none') {
                    932: 	if (defined($env{'form.gradingkey'})) {
                    933: 	    if ($target eq 'webgrade') {
                    934: 		if ($env{'form.stop'}) {
                    935: 		    return (undef,'stop');
1.163     albertel  936: 		} elsif ($env{'form.cancel'}) {
                    937: 		    return (undef,'cancel');
1.49      albertel  938: 		} elsif ($env{'form.next'}) {
1.59      albertel  939: 		    return (undef,'select_user');
1.49      albertel  940: 		}
                    941: 	    }
                    942: 	    return ($gradingkey,'selected');
                    943: 	} else {
1.59      albertel  944: 	    return (undef,'select_user');
1.49      albertel  945: 	}
                    946:     }
1.32      albertel  947:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  948: 	&& !defined($env{'form.gradingaction'}) 
                    949: 	&& $env{'form.queuemode'} eq 'selected') {
                    950: 	
                    951: 	my $who=&queue_key_locked($queue,$gradingkey);
                    952: 	if ($who eq $me) {
                    953: 	    &Apache::lonxml::debug("Found a key was given to me");
                    954: 	    return ($gradingkey,'selected');
                    955: 	} else {
                    956: 	    return (undef,'show_list');
                    957: 	}
                    958: 
                    959:     }
                    960: 
                    961:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    962: 	if ($env{'form.gradingaction'} eq 'resume') {
                    963: 	    delete($env{'form.gradingaction'});
                    964: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  965: 	    return ($gradingkey);
1.33      albertel  966: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    967: 	    &Apache::lonxml::debug("Unlocking a key ".
                    968: 				     &check_queue_unlock($queue,$gradingkey,1));
                    969: 	    return (undef,'unlock');
                    970: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    971: 	    &Apache::lonxml::debug("Locking a key");
                    972: 	    if (&lock_key($queue,$gradingkey)) {
                    973: 		&Apache::lonxml::debug("Success $queue");
                    974: 		return ($gradingkey);
                    975: 	    }
                    976: 	    &Apache::lonxml::debug("Failed $queue");
                    977: 	    return (undef,'lock_failed');
1.32      albertel  978: 	}
                    979:     }
1.33      albertel  980: 
                    981:     if ($env{'form.queuemode'} ne 'selected') {
                    982: 	# don't get something new from the queue if they hit the stop button
1.163     albertel  983:     	if (!(($env{'form.cancel'} || $env{'form.stop'}) 
                    984: 	      && $target eq 'webgrade') 
1.33      albertel  985: 	    && !$env{'form.gradingaction'}) {
                    986: 	    &Apache::lonxml::debug("Getting anew $queue");
                    987: 	    return (&get_from_queue($queue));
                    988: 	} else {
                    989: 	    return (undef,'stop');
                    990: 	}
1.32      albertel  991:     }
1.33      albertel  992:     return (undef,undef)
1.32      albertel  993: }
1.94      albertel  994: 
                    995: sub minimize_storage {
                    996:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    997: 	if ($key =~ /regrader$/) { next; }
                    998: 	if ($Apache::lonhomework::results{$key} eq
                    999: 	    $Apache::lonhomework::history{$key}) {
                   1000: 	    delete($Apache::lonhomework::results{$key});
                   1001: 	}
                   1002:     }
                   1003: }
                   1004: 
1.1       albertel 1005: sub end_Task {
                   1006:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1007:     my $result='';
                   1008:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel 1009:     my ($version,$previous)=&get_version();
1.1       albertel 1010:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel 1011: 	$target eq 'tex') {
1.69      albertel 1012: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel 1013: 	    if ($target eq 'web') {
1.54      albertel 1014: 		if (&show_task($status,$previous)) {
                   1015: 		    $result.=&Apache::lonxml::endredirection();
                   1016: 		}
1.64      albertel 1017: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                   1018: 		    !$env{'form.donescreen'}) {
1.15      albertel 1019: 		    $result.="\n".'<table border="1">'.
1.28      albertel 1020: 			&Apache::inputtags::file_selector("$version.0",
                   1021: 							  "bridgetask","*",
1.46      albertel 1022: 							  'portfolioonly',
                   1023: 							  '
                   1024: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                   1025: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel 1026: 							  "</table>";
1.77      albertel 1027: 		}
1.78      albertel 1028: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                   1029: 		    &show_task($status,$previous)) {
1.9       albertel 1030: 		    $result.=&Apache::inputtags::gradestatus('0');
1.199     albertel 1031: 		}
                   1032: 		
                   1033: 		$result.='</form>';
                   1034: 
                   1035: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                   1036: 		    &show_task($status,$previous)) {
1.116     albertel 1037: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel 1038: 		    $result.=<<DONEBUTTON;
1.115     albertel 1039: <form name="done" method="post" action="$action">
1.64      albertel 1040:    <input type="hidden" name="donescreen" value="1" />
                   1041:    <input type="submit" value="Done" />
                   1042: </form>
                   1043: DONEBUTTON
1.77      albertel 1044:                 }
1.56      albertel 1045: 		if (&show_task($status,$previous) &&
1.89      albertel 1046: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                   1047: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel 1048: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel 1049: 
1.149     albertel 1050: 		    my $start_time;
                   1051: 
1.80      albertel 1052: 		    my $slot_name=
1.89      albertel 1053: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.149     albertel 1054: 		    if ($slot_name) {
                   1055: 			my %slot=&Apache::lonnet::get_slot($slot_name);
                   1056: 
                   1057: 			$start_time=$slot{'starttime'}
                   1058: 		    } else {
                   1059: 			$start_time= 
                   1060: 			    &Apache::lonnet::EXT('resource.0.opendate');
                   1061: 		    }
                   1062: 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
1.54      albertel 1063: 
1.200     albertel 1064: 		    my $status = 
1.213     albertel 1065: 			"\n<div class='LC_$bt_status LC_criteria LC_task_overall_status'>\n\t";
1.54      albertel 1066: 		    
1.213     albertel 1067: 		    my $dim = $top;
                   1068: 		    my %counts = &get_counts($dim,undef,$parstack,
                   1069: 					     $safeeval);
                   1070: 		    my $question_status ="\n\t<p>".
                   1071: 			&question_status_message(\%counts,-1).
                   1072: 			"</p>\n";
                   1073: 
1.54      albertel 1074: 		    if ($bt_status eq 'pass')  {
                   1075: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel 1076: 			    $start_time.'</h2>';
1.213     albertel 1077: 			$status.=$question_status;
1.54      albertel 1078: 		    }
                   1079: 		    if ($bt_status eq 'fail')  {
                   1080: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel 1081: 			    $start_time.'</h2>';
1.213     albertel 1082: 			$status.=$question_status;
1.54      albertel 1083: 			if (!$previous) {
                   1084: 			    $status.=&add_request_another_attempt_button();
                   1085: 			}
                   1086: 		    }
1.213     albertel 1087: 		    
1.200     albertel 1088: 		    $status.="\n".'</div>'."\n";
1.194     albertel 1089: 
                   1090: 		    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
                   1091: 			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1092: 			if ($type eq 'dimension') {
                   1093: 			    $result.=$dimension{$id}{'result'};
                   1094: 			    next;
                   1095: 			}
                   1096: 			my $criteria = 
                   1097: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   1098: 					  [@_]);
                   1099: 			$status .= &layout_web_Criteria($dim,$id,$criteria);
                   1100: 		    }
1.54      albertel 1101: 
                   1102: 		    my $internal_location=&internal_location();
                   1103: 		    $result=~s/\Q$internal_location\E/$status/;
                   1104: 		}
1.142     albertel 1105: 		$result.="\n</div>\n".
                   1106: 		    &Apache::loncommon::end_page({'discussion' => 1});
1.1       albertel 1107: 	    }
                   1108: 	}
1.181     albertel 1109: 
                   1110: 	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                   1111: 	my %queue_data = ('type' => 'Task',
                   1112: 			  'time' => time,);
                   1113: 	if (defined($Apache::inputtags::slot_name)) {
                   1114: 	    $queue_data{'slot'} = $Apache::inputtags::slot_name;
                   1115: 	} elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
                   1116: 	    $queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
                   1117: 	}
                   1118: 	
                   1119: 
1.215     albertel 1120: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous
                   1121: 	    && $status eq 'CAN_ANSWER') {
1.12      albertel 1122: 	    my $award='SUBMITTED';
1.28      albertel 1123: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel 1124: 						    'portfiles',\$award);
1.14      albertel 1125: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel 1126: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                   1127: 		$Apache::lonhomework::results{"resource.0.tries"}=
                   1128: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                   1129: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                   1130: 
                   1131: 		$Apache::lonhomework::results{"resource.0.award"}=
                   1132: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                   1133: 		    $award;
1.51      albertel 1134: 		$Apache::lonhomework::results{"resource.0.submission"}=
                   1135: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel 1136: 	    } else {
                   1137: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel 1138: 		$award = '';
1.10      albertel 1139: 	    }
1.4       albertel 1140: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                   1141: 	    &Apache::structuretags::finalize_storage();
1.148     albertel 1142: 	    if ($award eq 'SUBMITTED') {
1.181     albertel 1143: 		&add_to_queue('gradingqueue',\%queue_data);
1.14      albertel 1144: 	    }
1.1       albertel 1145: 	}
1.163     albertel 1146: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1147: 	    && exists($env{'form.cancel'})) {
                   1148: 	    &check_queue_unlock($env{'form.queue'});
                   1149: 	    &Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
                   1150: 	} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1151: 		 && !exists($env{'form.cancel'})) {
1.20      albertel 1152: 	    my $optional_required=
                   1153: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                   1154: 					   $safeeval);
                   1155: 	    my $optional_passed=0;
                   1156: 	    my $mandatory_failed=0;
                   1157: 	    my $ungraded=0;
                   1158: 	    my $review=0;   
1.21      albertel 1159: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.194     albertel 1160: 	    my $dim = $top;
                   1161: 	    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
                   1162: 		my $link=&link($id);
                   1163: 
                   1164: 		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1165: 
                   1166: 		if ($type eq 'criteria') {
                   1167: 		    # dimensional 'criteria' don't get assigned grades
                   1168: 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"}=$env{'form.HWVAL_'.$link};
                   1169: 		    $Apache::lonhomework::results{"resource.$version.0.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   1170: 		} 
1.20      albertel 1171: 		my $status=
1.194     albertel 1172: 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"};
                   1173: 		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   1174: 
1.20      albertel 1175: 		if ($status eq 'pass') {
                   1176: 		    if (!$mandatory) { $optional_passed++; }
                   1177: 		} elsif ($status eq 'fail') {
                   1178: 		    if ($mandatory) { $mandatory_failed++; }
1.194     albertel 1179: 		} elsif ($status eq 'review') {
                   1180: 		    $review++;
1.20      albertel 1181: 		} elsif ($status eq 'ungraded') {
                   1182: 		    $ungraded++;
1.49      albertel 1183: 		} else {
                   1184: 		    $ungraded++;
                   1185: 		}
1.20      albertel 1186: 	    }
                   1187: 	    if ($optional_passed < $optional_required) {
                   1188: 		$mandatory_failed++;
                   1189: 	    }
1.194     albertel 1190: 	    &Apache::lonxml::debug(" task results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.89      albertel 1191: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.138     albertel 1192: 		$env{'user.name'}.':'.$env{'user.domain'};
1.20      albertel 1193: 	    if ($review) {
1.89      albertel 1194: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.20      albertel 1195: 	    } elsif ($ungraded) {
1.89      albertel 1196: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.20      albertel 1197: 	    } elsif ($mandatory_failed) {
1.89      albertel 1198: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel 1199: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                   1200: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                   1201: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.185     albertel 1202: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.52      albertel 1203: 		
                   1204: 		if ($env{'form.regrade'} ne 'yes') {
                   1205: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1206: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1207: 		    &Apache::grades::version_portfiles(
                   1208: 						       \%Apache::lonhomework::results,
                   1209: 						       ["$version.0.bridgetask"],$courseid,
                   1210: 						       $symb,$udom,$uname,
                   1211: 						       ["$version.0.bridgetask"]);
                   1212: 		}
1.20      albertel 1213: 	    } else {
1.89      albertel 1214: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel 1215: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                   1216: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                   1217: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.185     albertel 1218: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.52      albertel 1219: 		if ($env{'form.regrade'} ne 'yes') {
                   1220: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1221: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1222: 		    &Apache::grades::version_portfiles(
                   1223: 						       \%Apache::lonhomework::results,
                   1224: 						       ["$version.0.bridgetask"],$courseid,
                   1225: 						       $symb,$udom,$uname,
                   1226: 						       ["$version.0.bridgetask"]);
                   1227: 		}
1.20      albertel 1228: 	    }
1.89      albertel 1229: 	    $Apache::lonhomework::results{"resource.0.status"}=
                   1230: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel 1231: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel 1232: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel 1233: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel 1234: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel 1235: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel 1236: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel 1237: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel 1238: 	    }
1.94      albertel 1239: 	    &minimize_storage();
1.21      albertel 1240: 	    &Apache::structuretags::finalize_storage();
1.188     albertel 1241: 	    
                   1242: 	    # data stored, now handle queue
                   1243: 	    if ($review) {
                   1244: 		if ($env{'form.queue'} eq 'reviewqueue') {
                   1245: 		    &check_queue_unlock($env{'form.queue'});
                   1246: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                   1247: 		} else {
                   1248: 		    if ($env{'form.queue'} ne 'none') {
                   1249: 			&move_between_queues($env{'form.queue'},'reviewqueue');
                   1250: 		    } else {
                   1251: 			&add_to_queue('reviewqueue',\%queue_data);
                   1252: 		    }
                   1253: 		}
                   1254: 	    } elsif ($ungraded) {
                   1255: 		if ($env{'form.queue'} eq 'reviewqueue') {
                   1256: 		    &Apache::lonxml::debug("moving back.");
                   1257: 		    &move_between_queues($env{'form.queue'},
                   1258: 					 'gradingqueue');
                   1259: 		} elsif ($env{'form.queue'} eq 'none' ) {
                   1260: 		    &add_to_queue('gradingqueue',\%queue_data);	
                   1261: 		} else {
                   1262: 		    &check_queue_unlock($env{'form.queue'});
                   1263: 		}
                   1264: 	    } elsif ($mandatory_failed) {
                   1265: 		&remove_from_queue($env{'form.queue'}); 
                   1266: 	    } else {
                   1267: 		&remove_from_queue($env{'form.queue'});
                   1268: 	    }
1.20      albertel 1269: 	}
1.184     albertel 1270: 	if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
                   1271: 	    # instance generation occured and hasn't yet been stored
                   1272: 	    &Apache::structuretags::finalize_storage();
                   1273: 	}
1.15      albertel 1274:     } elsif ($target eq 'webgrade') {
1.208     albertel 1275: 	if (&nest()) {
                   1276: 	    &Apache::lonxml::endredirection();
                   1277: 	    &end_delay();
                   1278: 	    $result.=$dimension{$top}{'result'};
                   1279: 	} else {
                   1280: 	    $result.=&Apache::lonxml::endredirection();
                   1281: 	}
1.194     albertel 1282: 	my $dim = $top;
                   1283: 	foreach my $id (@{$dimension{$dim}{'criterias'}} ) {
                   1284: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1285: 	    if ($type eq 'dimension') {
                   1286: 		# dimensional 'criteria' don't get assigned grades
                   1287: 		next;
                   1288: 	    } else {
                   1289: 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   1290: 					     [@_]);
                   1291: 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
                   1292: 		my $internal_location=&internal_location($id);
1.209     albertel 1293: 		if ($result =~ m/\Q$internal_location\E/) {
                   1294: 		    $result=~s/\Q$internal_location\E/$criteria/;
                   1295: 		} else {
                   1296: 		    $result.=$criteria;
                   1297: 		}
                   1298: 
1.194     albertel 1299: 	    }
                   1300: 	}
                   1301:         $result.="</div>";
1.20      albertel 1302: 	#$result.='<input type="submit" name="next" value="'.
                   1303: 	#    &mt('Save &amp; Next').'" /> ';
                   1304: 	#$result.='<input type="submit" name="end" value="'.
                   1305: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1306: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1307: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1308: 	#$result.='<input type="submit" name="save" value="'.
                   1309: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel 1310: 	$result.='</form>'."\n</div>\n</div>\n".
1.140     albertel 1311: 	    &Apache::loncommon::end_page();
1.1       albertel 1312:     } elsif ($target eq 'meta') {
1.70      albertel 1313: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1314:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1315: 						      'Problem Status');
                   1316: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1317: 						      'Number of Attempts');
                   1318: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1319: 						      'Partial Credit Factor');
                   1320: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1321: 						      'Bridge Task Status');
1.182     albertel 1322:     } elsif ($target eq 'edit') {
                   1323: 	&Apache::structuretags::reset_problem_globals('Task');
                   1324: 	undef($Apache::lonhomework::parsing_a_task);
                   1325: 	return ('','no');
1.1       albertel 1326:     }
1.179     albertel 1327:     &Apache::structuretags::reset_problem_globals('Task');
1.4       albertel 1328:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1329:     return $result;
                   1330: }
                   1331: 
1.31      albertel 1332: sub move_between_queues {
                   1333:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1334:     my $cur_data;
                   1335:     if ($src_queue ne 'none') {
                   1336: 	$cur_data=&get_queue_data($src_queue);
                   1337: 	if (!$cur_data) { return 'not_exist'; }
                   1338:     } else {
                   1339: 	$cur_data = ['none'];
                   1340:     }
1.148     albertel 1341:     my $result=&add_to_queue($dest_queue,$cur_data);
1.31      albertel 1342:     if ($result ne 'ok') {
                   1343: 	return $result;
                   1344:     }
                   1345:     &check_queue_unlock($src_queue);
                   1346:     return &remove_from_queue($src_queue);
1.21      albertel 1347: }
                   1348: 
                   1349: sub check_queue_unlock {
1.32      albertel 1350:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1351:     if ($queue eq 'none') { return 'ok'; }
1.185     albertel 1352:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.32      albertel 1353:     if (!defined($key)) {
1.138     albertel 1354: 	$key="$symb\0queue\0$uname:$udom";
1.32      albertel 1355:     }
1.30      albertel 1356:     my $cnum=$env{'course.'.$cid.'.num'};
                   1357:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1358:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.30      albertel 1359:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1360:     if  ($who eq $me) {
1.163     albertel 1361: 	&Apache::lonxml::debug("unlocking my own $who");
1.32      albertel 1362: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1363:     } elsif ($allow_not_me) {
1.33      albertel 1364: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1365: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1366:     }
1.32      albertel 1367:     return 'not_owner';
1.21      albertel 1368: }
                   1369: 
1.88      albertel 1370: sub in_queue {
                   1371:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1372:     if ($queue eq 'none') { return 0; }
                   1373:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1374: 	|| !defined($udom) || !defined($uname)) {
1.185     albertel 1375: 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.88      albertel 1376: 	$cnum=$env{'course.'.$cid.'.num'};
                   1377: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1378:     }
                   1379: 
                   1380:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1381:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1382: 
                   1383:     if (defined($results{$key})) {
                   1384: 	return 1;
                   1385:     }
                   1386:     return 0;
                   1387: }
                   1388: 
1.21      albertel 1389: sub remove_from_queue {
1.86      albertel 1390:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1391:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1392:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1393: 	|| !defined($udom) || !defined($uname)) {
1.185     albertel 1394: 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.86      albertel 1395: 	$cnum=$env{'course.'.$cid.'.num'};
                   1396: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1397:     }
1.88      albertel 1398:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1399: 	return 'ok';
                   1400:     }
1.86      albertel 1401:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1402:     my @keys=($key,"$key\0locked");
1.31      albertel 1403:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1404: }
                   1405: 
1.16      albertel 1406: sub setup_env_for_other_user {
                   1407:     my ($queue_key,$safeeval)=@_;
                   1408:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1409:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1410:     $env{'form.grade_symb'}=$symb;
                   1411:     $env{'form.grade_domain'}=$udom;
                   1412:     $env{'form.grade_username'}=$uname;
                   1413:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1414:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1415: }
                   1416: 
1.31      albertel 1417: sub get_queue_data {
1.165     albertel 1418:     my ($queue,$udom,$uname)=@_;
1.185     albertel 1419:     my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonnet::whichuser();
1.165     albertel 1420:     if (!$uname || !$udom) {
                   1421: 	$uname=$other_uname;
                   1422: 	$udom =$other_udom;
                   1423:     }
1.31      albertel 1424:     my $cnum=$env{'course.'.$cid.'.num'};
                   1425:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1426:     my $todo="$symb\0queue\0$uname:$udom";
1.31      albertel 1427:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1428:     if ($key eq $todo && ref($value)) {
                   1429: 	return $value;
                   1430:     }
                   1431:     return undef;
                   1432: }
                   1433: 
1.84      albertel 1434: 
1.49      albertel 1435: sub check_queue_for_key {
1.84      albertel 1436:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1437: 
1.49      albertel 1438:     my %results=
                   1439: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1440:     
                   1441:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1442: 	if (defined($results{"$todo\0locked"})) {
                   1443: 	    return 'locked';
                   1444: 	}
1.148     albertel 1445: 	if (my $slot=&slotted_access($results{$todo})) {
1.86      albertel 1446: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1447: 	    if ($slot_data{'endtime'} > time) { 
                   1448: 		return 'in_progress';
                   1449: 	    }
1.148     albertel 1450: 	} else {
                   1451: 	    my ($symb) = &decode_queue_key($todo);
                   1452: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1453: 	    if ($due_date > time) {
                   1454: 		return 'in_progress';
                   1455: 	    }
1.58      albertel 1456: 	}
1.49      albertel 1457: 	return 'enqueued';
                   1458:     }
                   1459:     return undef;
                   1460: }
                   1461: 
1.14      albertel 1462: sub add_to_queue {
1.82      albertel 1463:     my ($queue,$user_data)=@_;
1.49      albertel 1464:     if ($queue eq 'none') { return 'ok'; }
1.185     albertel 1465:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.82      albertel 1466:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1467: 	return 'no_queue';
                   1468:     }
1.14      albertel 1469:     my $cnum=$env{'course.'.$cid.'.num'};
                   1470:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1471:     my %data;
1.138     albertel 1472:     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
1.83      albertel 1473:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1474: }
                   1475: 
1.156     albertel 1476: sub get_limited_classlist {
                   1477:     my ($sections) = @_;
                   1478: 
                   1479:     my $classlist = &Apache::loncoursedata::get_classlist();
1.157     albertel 1480:     foreach my $student (keys(%$classlist)) {
                   1481: 	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
                   1482: 	     ne 'Active') {
                   1483: 	    delete($classlist->{$student});
                   1484:        	}
                   1485:     }
1.156     albertel 1486: 
1.157     albertel 1487:     if (ref($sections) && !grep('all',@{ $sections })) {
1.156     albertel 1488: 	foreach my $student (keys(%$classlist)) {
                   1489: 	    my $section  = 
                   1490: 		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
                   1491: 	    if (! grep($section,@{ $sections })) {
                   1492: 		delete($classlist->{$student});
                   1493: 	    }
                   1494: 	}
                   1495:     }
                   1496:     return $classlist;
                   1497: }
                   1498: 
                   1499: 
1.14      albertel 1500: sub show_queue {
1.32      albertel 1501:     my ($queue,$with_selects)=@_;
1.14      albertel 1502:     my $result;
1.185     albertel 1503:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.14      albertel 1504:     my $cnum=$env{'course.'.$cid.'.num'};
                   1505:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1506: 
                   1507:     my @chosen_sections=
                   1508: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1509: 
                   1510:     my $classlist = &get_limited_classlist(\@chosen_sections);
                   1511: 
1.63      albertel 1512:     if (!(grep(/^all$/,@chosen_sections))) {
                   1513: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1514: 	    '</tt>.</p> '."\n";
                   1515:     }
1.59      albertel 1516: 
1.156     albertel 1517:     my ($view,$view_section);
                   1518:     my $scope = $env{'request.course.id'};
                   1519:     if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
                   1520: 	$scope .= '/'.$env{'request.course.sec'};
                   1521: 	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
                   1522: 	    $view_section=$env{'request.course.sec'};
                   1523: 	} else {
                   1524: 	    undef($view);
                   1525: 	}
                   1526:     }
                   1527: 
1.16      albertel 1528:     my $regexp="^$symb\0";
1.30      albertel 1529:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1530:     my ($tmp)=%queue;
                   1531:     if ($tmp=~/^error: 2 /) {
1.159     albertel 1532: 	return "\n<h3>Current Queue - $queue</h3>".
                   1533: 	    &Apache::loncommon::start_data_table().
                   1534: 	    &Apache::loncommon::start_data_table_row().
                   1535: 	    '<td>'.&mt('Empty').'</td>'.
                   1536: 	    &Apache::loncommon::end_data_table_row().
                   1537: 	    &Apache::loncommon::end_data_table();
1.31      albertel 1538:     }
1.103     albertel 1539:     my $title=&Apache::lonnet::gettitle($symb);
1.159     albertel 1540:     $result.="\n<h3>Current Queue - $title $queue </h3>".
                   1541: 	&Apache::loncommon::start_data_table().
                   1542: 	&Apache::loncommon::start_data_table_header_row();
1.103     albertel 1543:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
1.159     albertel 1544:     $result.="<th>user</th><th>data</th>".
                   1545: 	&Apache::loncommon::end_data_table_header_row();
1.14      albertel 1546:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1547: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1548: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.156     albertel 1549: 	
                   1550: 	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
                   1551: 
                   1552: 	my $can_view=1;
                   1553: 	if (!$view
                   1554: 	    || ($view_section && !$section)
                   1555: 	    || ($view_section && $section && ($view_section ne $section))) {
                   1556: 	    $can_view=0;
                   1557: 	}
                   1558: 
1.32      albertel 1559: 	if ($key=~/locked$/ && !$with_selects) {
1.159     albertel 1560: 	    $result.= &Apache::loncommon::start_data_table_row().
                   1561: 		"<td>$uname</td>";
1.103     albertel 1562: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1563: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.159     albertel 1564: 	    $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
1.103     albertel 1565: 	    $result.='<td>'.
1.16      albertel 1566: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1567: 	} elsif ($key!~/(timestamp|locked)$/) {
1.159     albertel 1568: 	    $result.= &Apache::loncommon::start_data_table_row();
1.148     albertel 1569: 	    my ($end_time,$slot_text);
                   1570: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1571: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1572: 		$end_time = $slot_data{'endtime'};
                   1573: 		$slot_text = &mt('Slot: [_1]',$slot);
                   1574: 	    } else {
                   1575: 		$end_time = &Apache::lonhomework::due_date('0',$symb);
                   1576: 		$slot_text = '';
                   1577: 	    }
1.32      albertel 1578: 	    if ($with_selects) {
1.158     www      1579: 		my $ekey=&escape($key);
1.103     albertel 1580: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1581: 		if (exists($queue{"$key\0locked"})) {
1.214     albertel 1582: 		    my $locker = $queue{"$key\0locked"};
                   1583: 		    my $time;
                   1584: 		    if (ref($queue{"$key\0locked"}) eq 'ARRAY') {
                   1585: 			($locker, $time) = @{$queue{"$key\0locked"}};
                   1586: 			$time = 
                   1587: 			    &Apache::lonnavmaps::timeToHumanString($time,
                   1588: 								   'start');
                   1589: 		    }
1.138     albertel 1590: 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.214     albertel 1591: 		    $status=&mt('Locked by <tt>[_1]</tt> [_2]',$locker,$time);
1.32      albertel 1592: 		    if ($me eq $queue{"$key\0locked"}) {
                   1593: 			($action,$description)=('resume',&mt('Resume'));
                   1594: 		    } else {
                   1595: 			($action,$description)=('unlock',&mt('Unlock'));
                   1596: 		    }
                   1597: 		}
1.62      albertel 1598: 		my $seclist;
                   1599: 		foreach my $sec (@chosen_sections) {
                   1600: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1601:                                value="'.$sec.'" />';
                   1602: 		}
1.156     albertel 1603: 		if ($can_view && ($end_time ne '' && time > $end_time)) {
1.35      albertel 1604: 		    $result.=(<<FORM);
1.103     albertel 1605: <td>$status</td>
1.32      albertel 1606: <td>
1.115     albertel 1607: <form style="display: inline" method="post">
1.32      albertel 1608:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1609:  <input type="hidden" name="queue" value="$queue" />
                   1610:  <input type="hidden" name="gradingaction" value="$action" />
                   1611:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1612:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1613:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1614:  $seclist
1.32      albertel 1615: </form>
                   1616: </td>
                   1617: FORM
1.156     albertel 1618:                 } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
                   1619: 		    $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
1.35      albertel 1620:                 } else {
1.148     albertel 1621: 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
1.35      albertel 1622: 		}
1.32      albertel 1623: 	    }
1.156     albertel 1624: 	    $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
1.138     albertel 1625: 		" <tt>($uname:$udom)</tt> </td>";
1.148     albertel 1626: 	    $result.='<td>'.$slot_text.' End time: '.
                   1627: 		&Apache::lonlocal::locallocaltime($end_time).
1.159     albertel 1628: 		"</td>".&Apache::loncommon::end_data_table_row();
1.16      albertel 1629: 	}
1.14      albertel 1630:     }
1.159     albertel 1631:     $result.= &Apache::loncommon::end_data_table()."<hr />\n";
1.14      albertel 1632:     return $result;
                   1633: }
                   1634: 
1.34      albertel 1635: sub get_queue_counts {
                   1636:     my ($queue)=@_;
                   1637:     my $result;
1.185     albertel 1638:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.34      albertel 1639:     my $cnum=$env{'course.'.$cid.'.num'};
                   1640:     my $cdom=$env{'course.'.$cid.'.domain'};
1.156     albertel 1641: 
1.157     albertel 1642:     my $classlist=&get_limited_classlist();
1.156     albertel 1643: 
1.34      albertel 1644:     my $regexp="^$symb\0";
                   1645:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1646:     my ($tmp)=%queue;
                   1647:     if ($tmp=~/^error: 2 /) {
                   1648: 	return (0,0,0);
                   1649:     }
                   1650:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1651:     my %slot_cache;
1.34      albertel 1652:     foreach my $key (sort(keys(%queue))) {
1.156     albertel 1653: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1654: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.34      albertel 1655: 	if ($key=~/locked$/) {
                   1656: 	    $locks++;
                   1657: 	} elsif ($key=~/timestamp$/) {
                   1658: 	    #ignore
                   1659: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1660: 	    $entries++;
1.148     albertel 1661: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1662: 		if (!exists($slot_cache{$slot})) {
                   1663: 		    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1664: 		    $slot_cache{$slot} = \%slot_data;
                   1665: 		}
                   1666: 		if (time > $slot_cache{$slot}{'endtime'}) {
                   1667: 		    $ready_to_grade++;
                   1668: 		}
                   1669: 	    } else {
                   1670: 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1671: 		if ($due_date ne '' && time > $due_date) {
                   1672: 		    $ready_to_grade++;
                   1673: 		}
1.34      albertel 1674: 	    }
                   1675: 	}
                   1676:     }
                   1677:     return ($entries,$ready_to_grade,$locks);
                   1678: }
                   1679: 
1.49      albertel 1680: sub encode_queue_key {
                   1681:     my ($symb,$udom,$uname)=@_;
1.138     albertel 1682:     return "$symb\0queue\0$uname:$udom";
1.49      albertel 1683: }
                   1684: 
1.14      albertel 1685: sub decode_queue_key {
                   1686:     my ($key)=@_;
                   1687:     my ($symb,undef,$user) = split("\0",$key);
1.138     albertel 1688:     my ($uname,$udom) = split(':',$user);
1.14      albertel 1689:     return ($symb,$uname,$udom);
                   1690: }
                   1691: 
                   1692: sub queue_key_locked {
1.30      albertel 1693:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1694:     if (!defined($cdom) || !defined($cnum)) {
1.185     albertel 1695: 	my (undef,$cid)=&Apache::lonnet::whichuser();
1.33      albertel 1696: 	$cnum=$env{'course.'.$cid.'.num'};
                   1697: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1698:     }
1.14      albertel 1699:     my ($key_locked,$value)=
1.30      albertel 1700: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1701:     if ($key_locked eq "$key\0locked") {
                   1702: 	return $value;
                   1703:     }
                   1704:     return undef;
                   1705: }
                   1706: 
1.148     albertel 1707: sub slotted_access {
                   1708:     my ($queue_entry) = @_;
                   1709:     if (ref($queue_entry) eq 'ARRAY') {
                   1710: 	if (defined($queue_entry->[0])) {
                   1711: 	    return $queue_entry->[0];
                   1712: 	}
                   1713: 	return undef;
                   1714:     } elsif (ref($queue_entry) eq 'HASH') {
                   1715: 	if (defined($queue_entry->{'slot'})) {
                   1716: 	    return $queue_entry->{'slot'};
                   1717: 	}
                   1718: 	return undef;
                   1719:     }
                   1720:     return undef;
                   1721: }
                   1722: 
1.14      albertel 1723: sub pick_from_queue_data {
1.156     albertel 1724:     my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
1.98      albertel 1725:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1726:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1727: 	if ($key =~ /\0locked$/) { next; }
                   1728: 	if ($key =~ /\0timestamp$/) { next; }
1.156     albertel 1729: 
1.14      albertel 1730: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
1.156     albertel 1731: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
                   1732: 
1.14      albertel 1733: 	if ($check_section) {
1.156     albertel 1734: 	    my $section =
                   1735: 		$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
1.17      albertel 1736: 	    if ($section eq $check_section) {
1.33      albertel 1737: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1738: 		next;
                   1739: 	    }
1.14      albertel 1740: 	}
1.148     albertel 1741: 	my $end_time;
                   1742: 	if (my $slot=&slotted_access($queuedata->{$key})) {
1.154     albertel 1743: 	    &Apache::lonxml::debug("looking at slot $slot");
1.148     albertel 1744: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1745: 	    if ($slot_data{'endtime'} < time) { 
                   1746: 		$end_time = $slot_data{'endtime'};
1.154     albertel 1747: 	    } else {
                   1748: 		&Apache::lonxml::debug("not time ".$slot_data{'endtime'});
                   1749: 		next;
1.148     albertel 1750: 	    }
                   1751: 	} else {
                   1752: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
1.154     albertel 1753: 	    if ($due_date < time) {
1.148     albertel 1754: 		$end_time = $due_date;
1.154     albertel 1755: 	    } else {
                   1756: 		&Apache::lonxml::debug("not time $due_date");
                   1757: 		next;
1.148     albertel 1758: 	    }
                   1759: 	}
                   1760: 	
1.98      albertel 1761: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1762: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1763: 	    next;
                   1764: 	}
1.148     albertel 1765: 	push(@possible,[$key,$end_time]);
1.98      albertel 1766:     }
                   1767:     if (@possible) {
                   1768:         # sort entries in order by slot end time
                   1769: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
1.137     albertel 1770: 	# pick one of the entries in the top 10% in small queues and one
                   1771: 	# of the first ten entries in large queues
1.139     albertel 1772: 	#my $ten_percent = int($#possible * 0.1);
                   1773: 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
                   1774: 	#if ($ten_percent > 10) { $ten_percent = 10; }
                   1775: 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
1.137     albertel 1776: 	
1.139     albertel 1777: 	#return $possible[int(rand($max))][0];
                   1778: 	return $possible[0][0];
1.14      albertel 1779:     }
                   1780:     return undef;
                   1781: }
                   1782: 
1.15      albertel 1783: sub find_mid_grade {
1.30      albertel 1784:     my ($queue,$symb,$cdom,$cnum)=@_;
1.158     www      1785:     my $todo=&unescape($env{'form.gradingkey'});
1.138     albertel 1786:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.15      albertel 1787:     if ($todo) {
1.30      albertel 1788: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1789: 	if ($who eq $me) { return $todo; }
                   1790:     }
                   1791:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1792:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1793:     foreach my $key (keys(%locks)) {
                   1794: 	my $who=$locks{$key};
                   1795: 	if ($who eq $me) {
                   1796: 	    $todo=$key;
                   1797: 	    $todo=~s/\0locked$//;
                   1798: 	    return $todo;
                   1799: 	}
                   1800:     }
                   1801:     return undef;
                   1802: }
                   1803: 
1.32      albertel 1804: sub lock_key {
                   1805:     my ($queue,$todo)=@_;
1.138     albertel 1806:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.185     albertel 1807:     my (undef,$cid)=&Apache::lonnet::whichuser();
1.32      albertel 1808:     my $cnum=$env{'course.'.$cid.'.num'};
                   1809:     my $cdom=$env{'course.'.$cid.'.domain'};
1.214     albertel 1810:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> [$me,time]},
1.32      albertel 1811: 					$cdom,$cnum);
1.33      albertel 1812:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1813:     if ($success eq 'ok') {
                   1814: 	return 1;
                   1815:     }
                   1816:     return 0;
                   1817: }
                   1818: 
1.86      albertel 1819: sub get_queue_symb_status {
1.85      albertel 1820:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1821:     if (!defined($cdom) || !defined($cnum)) {
1.185     albertel 1822: 	my (undef,$cid)=&Apache::lonnet::whichuser();
1.85      albertel 1823: 	$cnum=$env{'course.'.$cid.'.num'};
                   1824: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1825:     }
1.157     albertel 1826:     my $classlist=&get_limited_classlist();
1.156     albertel 1827: 
1.85      albertel 1828:     my $regexp="^$symb\0";
                   1829:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1830:     my ($tmp)=%queue;
                   1831:     if ($tmp=~/^error: 2 /) { return; }
                   1832:     my @users;
                   1833:     foreach my $key (sort(keys(%queue))) {
                   1834: 	next if ($key=~/locked$/);
                   1835: 	next if ($key=~/timestamp$/);
                   1836: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
1.156     albertel 1837: 	next if (!defined($classlist->{$uname.':'.$udom}));
1.85      albertel 1838: 	push(@users,"$uname:$udom");
                   1839:     }
                   1840:     return @users;
                   1841: }
                   1842: 
1.14      albertel 1843: sub get_from_queue {
1.30      albertel 1844:     my ($queue)=@_;
1.14      albertel 1845:     my $result;
1.185     albertel 1846:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.14      albertel 1847:     my $cnum=$env{'course.'.$cid.'.num'};
                   1848:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1849:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1850:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1851:     if ($todo) { return $todo; }
1.95      albertel 1852:     my $attempts=0;
1.156     albertel 1853: 
1.157     albertel 1854:     my $classlist=&get_limited_classlist();
1.156     albertel 1855: 
1.14      albertel 1856:     while (1) {
1.95      albertel 1857: 	if ($attempts > 2) {
                   1858: 	    # tried twice to get a queue entry, giving up
                   1859: 	    return (undef,'unable');
                   1860: 	}
1.14      albertel 1861: 	my $starttime=time;
1.83      albertel 1862: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1863: 			      $cdom,$cnum);
1.33      albertel 1864: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1865: 	my $regexp="^$symb\0queue\0";
1.156     albertel 1866: 	#my $range= ($attempts < 1 ) ? '0-100' : '0-400';
1.97      albertel 1867: 
1.98      albertel 1868: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1869: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1870: 	if ($env{'request.course.sec'}) {
1.33      albertel 1871: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1872: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1.156     albertel 1873: 					\%queue,$cdom,$cnum,$classlist);
1.33      albertel 1874: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1875: 	}
1.33      albertel 1876: 	# no one _not_ in our section so look for any user that is
                   1877: 	# ready for grading
1.14      albertel 1878: 	if (!$todo) {
1.33      albertel 1879: 	    &Apache::lonxml::debug("no sce");
1.156     albertel 1880: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
                   1881: 					$classlist);
1.33      albertel 1882: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1883: 	}
                   1884: 	# no user to grade 
                   1885: 	if (!$todo) { last; }
1.33      albertel 1886: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1887: 	# otherwise found someone so lets try to lock them
1.32      albertel 1888: 	# unless someone else already picked them
1.95      albertel 1889: 	if (!&lock_key($queue,$todo)) {
                   1890: 	    $attempts++;
                   1891: 	    next;
                   1892: 	}
1.14      albertel 1893: 	my (undef,$endtime)=
1.30      albertel 1894: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1895: 				 $cdom,$cnum);
1.33      albertel 1896: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1897: 	# someone else already modified the queue, 
                   1898: 	# perhaps our picked user wass already fully graded between
                   1899: 	# when we picked him and when we locked his record? so lets
                   1900: 	# double check.
                   1901: 	if ($endtime != $starttime) {
                   1902: 	    my ($key,$value)=
1.30      albertel 1903: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1904: 				     $cdom,$cnum);
1.33      albertel 1905: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1906: 	    if ($key eq $todo && ref($value)) {
                   1907: 	    } else {
1.30      albertel 1908: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1909: 				     $cdom,$cnum);
1.33      albertel 1910: 		&Apache::lonxml::debug("del");
1.95      albertel 1911: 		$attempts++;
1.14      albertel 1912: 		next;
                   1913: 	    }
                   1914: 	}
1.33      albertel 1915: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1916: 	last;
                   1917:     }
                   1918:     return $todo;
                   1919: }
                   1920: 
1.49      albertel 1921: sub select_user {
1.185     albertel 1922:     my ($symb,$cid)=&Apache::lonnet::whichuser();
1.49      albertel 1923: 
1.59      albertel 1924:     my @chosen_sections=
                   1925: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1926: 
                   1927:     my $classlist = &get_limited_classlist(\@chosen_sections);
1.63      albertel 1928:     
                   1929:     my $result;
                   1930:     if (!(grep(/^all$/,@chosen_sections))) {
                   1931: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1932: 	    '</tt>.</p> '."\n";
                   1933:     }
1.159     albertel 1934:     $result.=&Apache::loncommon::start_data_table();
1.49      albertel 1935: 
1.156     albertel 1936:     foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
1.49      albertel 1937: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1938: 	
1.84      albertel 1939: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1940: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1941: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1942: 					 'Task');
1.49      albertel 1943: 	my $queue = 'none';
1.58      albertel 1944: 	my $cannot_grade;
                   1945: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1946: 	    $queue = 'reviewqueue';
1.58      albertel 1947: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1948: 		$cannot_grade=1;
                   1949: 	    }
                   1950: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1951: 	    $queue = 'gradingqueue';
1.58      albertel 1952: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1953: 		$cannot_grade=1;
                   1954: 	    }
1.49      albertel 1955: 	}
                   1956: 	my $todo = 
1.158     www      1957: 	    &escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1958: 	if ($cannot_grade) {
1.159     albertel 1959: 	    $result.=&Apache::loncommon::start_data_table_row().
                   1960: 		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
1.58      albertel 1961: 		'</td><td>';
                   1962: 	} else {
1.62      albertel 1963: 	    my $seclist;
                   1964: 	    foreach my $sec (@chosen_sections) {
                   1965: 		$seclist.='<input type="hidden" name="chosensections" 
                   1966:                                value="'.$sec.'" />';
                   1967: 	    }
1.159     albertel 1968: 	    $result.=&Apache::loncommon::start_data_table_row();
1.58      albertel 1969: 	    $result.=<<RESULT;
1.49      albertel 1970:   <td>
1.115     albertel 1971:     <form style="display: inline" method="post">
1.49      albertel 1972:       <input type="hidden" name="gradingkey" value="$todo" />
                   1973:       <input type="hidden" name="queue" value="$queue" />
                   1974:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1975:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1976:       <input type="submit" name="submit" value="Regrade" />
                   1977:       $seclist
1.49      albertel 1978:     </form>
1.155     albertel 1979:   <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
1.49      albertel 1980:   <td>
                   1981: RESULT
1.58      albertel 1982:         }
1.49      albertel 1983:         if ($status{'status'} eq 'pass') {
                   1984: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1985: 	} elsif ($status{'status'} eq 'fail') {
                   1986: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1987: 	} elsif ($status{'status'} eq 'review') {
                   1988: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1989: 	} elsif ($status{'status'} eq 'ungraded') {
                   1990: 	    $result .= &mt('Ungraded');
                   1991: 	} elsif ($status{'status'} ne '') {
                   1992: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1993: 	} else {
                   1994: 	    $result.="&nbsp;";
                   1995: 	}
                   1996: 	if ($status{'version'}) {
                   1997: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1998: 	}
1.101     albertel 1999: 	if ($status{'grader'}) {
                   2000: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   2001: 	}
1.49      albertel 2002: 	$result.= '</td><td>';
                   2003: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   2004: 	    $result .= &mt('Awaiting Review');
                   2005: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   2006: 	    $result .= &mt('Under Review');
1.58      albertel 2007: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   2008: 	    $result .= &mt('Still being worked on.');
1.49      albertel 2009: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   2010: 	    $result .= &mt('Awaiting Grading');
                   2011: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   2012: 	    $result .= &mt('Being Graded');
1.58      albertel 2013: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   2014: 	    $result .= &mt('Still being worked on.');
1.49      albertel 2015: 	} else {
                   2016: 	    $result.="&nbsp;";
                   2017: 	}
1.159     albertel 2018: 	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
1.49      albertel 2019:     }
1.159     albertel 2020:     $result.=&Apache::loncommon::end_data_table();
1.49      albertel 2021:     return $result;
                   2022: }
                   2023: 
                   2024: sub get_student_status {
1.86      albertel 2025:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   2026: 
                   2027:     my %status;
                   2028: 
                   2029:     if ($type eq 'Task') {
                   2030: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 2031: 					  $udom,$uname);
1.89      albertel 2032: 	$status{'status'}=$record{'resource.0.status'};
                   2033: 	$status{'version'}=$record{'resource.0.version'};
                   2034: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 2035:     }
                   2036:     $status{'reviewqueue'}=
                   2037: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   2038: 			     &encode_queue_key($symb,$udom,$uname));
                   2039:     $status{'gradingqueue'}=
                   2040: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   2041: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 2042:     return %status;
                   2043: }
                   2044: 
1.1       albertel 2045: sub start_ClosingParagraph {
                   2046:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2047:     my $result;
                   2048:     if ($target eq 'web') {
1.13      albertel 2049:     } elsif ($target eq 'webgrade') {
                   2050: 	&Apache::lonxml::startredirection();
1.1       albertel 2051:     }
                   2052:     return $result;
                   2053: }
                   2054: 
                   2055: sub end_ClosingParagraph {
                   2056:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2057:     my $result;
                   2058:     if ($target eq 'web') {
1.13      albertel 2059:     } elsif ($target eq 'webgrade') {
                   2060: 	&Apache::lonxml::endredirection();
1.1       albertel 2061:     }
                   2062:     return $result;
                   2063: }
                   2064: 
1.168     albertel 2065: sub get_dim_id {
1.194     albertel 2066:     if (@Apache::bridgetask::dimension) {
                   2067: 	return $Apache::bridgetask::dimension[-1];
                   2068:     } else {
                   2069: 	return $top;
                   2070:     }
1.168     albertel 2071: }
                   2072: 
1.19      albertel 2073: sub get_id {
                   2074:     my ($parstack,$safeeval)=@_;
                   2075:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   2076:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   2077:     return $id;
                   2078: }
                   2079: 
1.162     albertel 2080: sub start_Setup {
                   2081:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.168     albertel 2082:     #undef(%dimension);
                   2083:     my $dim = &get_id($parstack,$safeeval);
                   2084:     push(@Apache::bridgetask::dimension,$dim);
1.162     albertel 2085:     &Apache::lonxml::startredirection();
1.209     albertel 2086:     return;# &internal_location($dim);
1.162     albertel 2087: }
1.173     albertel 2088: 
                   2089: {
                   2090:     my @allowed;
                   2091:     sub enable_dimension_parsing {
                   2092: 	my ($id) = @_;
                   2093: 	push(@allowed,$id);
                   2094:     }
                   2095:     sub disable_dimension_parsing {
                   2096: 	pop(@allowed);
                   2097:     }
                   2098:     sub skip_dimension_parsing {
                   2099: 	my ($check) = @_;
                   2100: 	if (!@allowed) { return 0;}
                   2101: 	# if unspecified allow any id
                   2102: 	if ($allowed[-1] eq undef) { return 0;}
                   2103: 
                   2104: 	return ($check ne $allowed[-1]);
                   2105:     }
                   2106: }
                   2107: 
1.151     albertel 2108: sub start_Question { return &start_Dimension(@_); }
1.1       albertel 2109: sub start_Dimension {
1.173     albertel 2110:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2111:     my $dim = &get_id($parstack,$safeeval);
                   2112:     my $previous_dim;
                   2113:     if (@Apache::bridgetask::dimension) {
                   2114: 	$previous_dim = $Apache::bridgetask::dimension[-1];
                   2115: 	push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
                   2116: 	     $dim);
1.173     albertel 2117: 	if(&skip_dimension_parsing($dim)) {
                   2118: 	    $dimension{$previous_dim}{'criteria.'.$dim} =
                   2119: 		$token->[4]
                   2120: 		.&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
                   2121: 					      $style)
                   2122: 		.'</'.$tagstack->[-1].'>';
                   2123: 	}
1.169     albertel 2124: 	$dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
                   2125: 	$dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
                   2126: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2127: 	push(@{$dimension{$previous_dim}{'criterias'}},$dim);
1.171     albertel 2128: 	$dimension{$dim}{'nested'}=$previous_dim;
1.196     albertel 2129: 	$dimension{$dim}{'depth'} = 1 + $dimension{$previous_dim}{'depth'};
1.197     albertel 2130: 
1.172     albertel 2131: 	&Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
1.168     albertel 2132:     } else {
1.196     albertel 2133: 	$dimension{$top}{'depth'}=0;
1.194     albertel 2134: 	$dimension{$top}{'criteria.'.$dim.'.type'}='dimension';
                   2135: 	$dimension{$top}{'criteria.'.$dim.'.mandatory'}=
1.168     albertel 2136: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.194     albertel 2137: 	push(@{$dimension{$top}{'criterias'}},$dim);
1.208     albertel 2138: 	$dimension{$dim}{'nested'}=$top;
1.168     albertel 2139:     }
                   2140:     push(@Apache::bridgetask::dimension,$dim);
1.54      albertel 2141:     &Apache::lonxml::startredirection();
1.205     albertel 2142:     if (!&skip_dimension_parsing($dim)) {
                   2143: 	&enable_dimension_parsing($dim);
                   2144:     }
1.207     albertel 2145:     return;# &internal_location($dim);
1.1       albertel 2146: }
                   2147: 
1.160     albertel 2148: sub start_QuestionText {
                   2149:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2150:     my $dim = &get_dim_id();
1.160     albertel 2151:     my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
                   2152:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.169     albertel 2153: 	$dimension{$dim}{'questiontext'}=$text;
1.160     albertel 2154:     }
                   2155:     return '';
                   2156: }
                   2157: 
                   2158: sub end_QuestionText {
                   2159:     return '';
                   2160: }
                   2161: 
1.13      albertel 2162: sub get_instance {
1.75      albertel 2163:     my ($dim)=@_;
                   2164:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   2165:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   2166: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   2167: 	$rand_alg eq '64bit4' ) {
                   2168: 	&Apache::response::pushrandomnumber();
1.169     albertel 2169: 	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
1.75      albertel 2170: 	my $num=@order;
                   2171: 	my $version=&get_version();
                   2172: 	my $which=($version-1)%$num;
                   2173: 	return $order[$which];
                   2174:     } else {
                   2175: 	my ($version,$previous) = &get_version();
                   2176: 	my $instance = 
                   2177: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   2178: 	if (defined($instance)) { return $instance; }
                   2179: 
                   2180: 	&Apache::response::pushrandomnumber();
1.173     albertel 2181: 	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
                   2182: 	    my @instances = @{$dimension{$dim}{'instances'}};
                   2183: 	    # remove disabled instances
                   2184: 	    for (my $i=0; $i < $#instances; $i++) {
                   2185: 		if ($dimension{$dim}{$instances[$i].'.disabled'}) {
                   2186: 		    splice(@instances,$i,1);
                   2187: 		    $i--;
                   2188: 		}
                   2189: 	    }
                   2190: 	    @instances = &Math::Random::random_permutation(@instances);
                   2191: 	    $instance  = $instances[($version-1)%scalar(@instances)];
                   2192: 	    if ($version =~ /^\d$/) {
                   2193: 		$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   2194: 		    $instance;
                   2195: 		$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 2196: 	    }
                   2197: 	}
                   2198: 	&Apache::response::poprandomnumber();
                   2199: 	return $instance;
                   2200:     }
1.13      albertel 2201: }
                   2202: 
1.169     albertel 2203: sub get_criteria {
                   2204:     my ($what,$version,$dim,$id) = @_;
                   2205:     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
1.194     albertel 2206:     my $prefix = ($type eq 'criteria' && $dim ne $top) ? "$dim.$id"
                   2207: 	                                               : "$id";
1.169     albertel 2208:     my $entry = "resource.$version.0.$prefix.$what";
                   2209:     if (exists($Apache::lonhomework::results{$entry})) {
                   2210: 	return $Apache::lonhomework::results{$entry};
                   2211:     }
                   2212:     return $Apache::lonhomework::history{$entry};
                   2213: }
                   2214: 
1.194     albertel 2215: sub link {
                   2216:     my ($id) = @_;
                   2217:     $id =~ s/\./_/g;
                   2218:     return 'LC_GRADING_criteria_'.$id;
                   2219: }
                   2220: sub end_Question { return &end_Dimension(@_); }
                   2221: sub end_Dimension {
                   2222:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2223:     my $result=&Apache::lonxml::endredirection();
                   2224:     my $dim=&get_id($parstack,$safeeval);
                   2225:     if (&skip_dimension_parsing($dim)) {
                   2226: 	&disable_dimension_parsing($dim);
                   2227: 	pop(@Apache::bridgetask::dimension);
                   2228: 	return;
1.122     albertel 2229:     }
1.194     albertel 2230:     my $instance=&get_instance($dim);
                   2231:     my $version=&get_version();
                   2232:     if ($target eq 'web') {
                   2233: 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2234: 	my @instances = $instance;
                   2235: 	if (&Apache::response::showallfoils()) {
                   2236: 	    @instances = @{$dimension{$dim}{'instances'}};
1.173     albertel 2237: 	}
1.194     albertel 2238: 	my $shown_question_text;
                   2239: 	foreach my $instance (@instances) {
                   2240: 	    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2241: 				     [@_]);
                   2242: 	    $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2243: 				     [@_],{'set_dim_id' => undef});
                   2244: 	    my $task_status = 
                   2245: 		$Apache::lonhomework::history{"resource.$version.0.status"};
                   2246: 	    if ($task_status ne 'pass' && $task_status ne 'fail') {
                   2247: 		
                   2248: 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2249: 				@{$dimension{$dim}{'criterias'}}) {
                   2250: 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2251: 		    &Apache::lonxml::debug("$id is $type");
                   2252: 		    if ($type eq 'dimension') {
                   2253: 			$result.=
                   2254: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2255: 					  [@_],{'set_dim_id' => $id});
1.173     albertel 2256: 		    }
1.194     albertel 2257: 		}
                   2258: 	    } else {
                   2259: 		my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
                   2260: 		my $mandatory='Mandatory';
                   2261: 		if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
                   2262: 		    $mandatory='Optional';
                   2263: 		}
1.200     albertel 2264: 		my $dim_info=
                   2265: 		    "\n<div class='LC_$dim_status LC_question_grade'>\n\t";
1.212     albertel 2266: 		my $ucquestion = 
                   2267: 		    my $question = 
                   2268: 		    ('sub' x $dimension{$dim}{'depth'}).'question';
                   2269: 		$ucquestion =~ s/^(.)/uc($1)/e;
1.194     albertel 2270: 		if ($dim_status eq 'pass') {
1.212     albertel 2271: 		    $dim_info.='<h3>'.$ucquestion.' : you passed the above '.$mandatory.' '.$question.'</h3>';
1.194     albertel 2272: 		}
                   2273: 		if ($dim_status eq 'fail') {
1.212     albertel 2274: 		    $dim_info.='<h3>'.$ucquestion.' : you did not pass the above '.$mandatory.' '.$question.'</h3>';
1.194     albertel 2275: 		}
1.197     albertel 2276: 		my %counts = &get_counts($dim,$instance,$parstack,
                   2277: 					 $safeeval);
                   2278: 
1.200     albertel 2279: 		$dim_info.="\n\t<p>"
1.197     albertel 2280: 		    .&question_status_message(\%counts,
                   2281: 					      $dimension{$dim}{'depth'})
1.200     albertel 2282: 		    ."</p>\n</div>\n";
1.194     albertel 2283: 		
                   2284: 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2285: 				@{$dimension{$dim}{'criterias'}}) {
                   2286: 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2287: 		    if ($type eq 'dimension') {
1.205     albertel 2288: 			if (defined($dimension{$id}{'result'})) {
                   2289: 			    $result.=$dimension{$id}{'result'};
                   2290: 			    next;
                   2291: 			} else {
                   2292: 			    $dim_info .=
                   2293: 				&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2294: 					      [@_],{'set_dim_id' => $id});
                   2295: 			}
                   2296: 		    } else {
                   2297: 			my $criteria =
                   2298: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2299: 					  [@_]);
                   2300: 			$dim_info .= &layout_web_Criteria($dim,$id,$criteria);
1.194     albertel 2301: 		    }
1.169     albertel 2302: 		}
1.202     albertel 2303: 		# puts the results at the end of the dimension
                   2304: 		$result .= $dim_info;
1.169     albertel 2305: 
1.202     albertel 2306: 		# puts the results at the beginning of the dimension
                   2307: 		# my $internal_location=&internal_location($dim);
                   2308: 		# $result=~s/\Q$internal_location\E/$dim_info/;
1.19      albertel 2309: 	    }
1.194     albertel 2310: 	}
1.206     albertel 2311: 	if ($result !~ /^\s*$/s) {
1.209     albertel 2312: 	    # FIXME? this maybe unneccssary in the future, (CSE101 BT
                   2313: 	    # from Fall 2006 geenrate a div that attempts to hide some
                   2314: 	    # of the output in an odd way, this is a workaround so
                   2315: 	    # those old ones will continue to work.  # It puts the
                   2316: 	    # LC_question div to come after any starting closie div
                   2317: 	    # that the dimension produces
1.211     albertel 2318: 	    if ($result =~ m{^\s*</div>}) {
                   2319: 		$result =~ s{^(\s*</div>)}
1.210     albertel 2320: 		            {$1\n<div id="$dim" class="LC_question">};
1.209     albertel 2321: 	    } else {
1.210     albertel 2322: 		$result = "\n".'<div id="'.$dim.'" class="LC_question">'.
1.209     albertel 2323: 		    "\n".$result;
                   2324: 	    }
                   2325: 	    $result .= "\n</div>\n";
1.206     albertel 2326: 	}
1.194     albertel 2327:     } elsif ($target eq 'webgrade') {
                   2328: 	# in case of any side effects that we need
                   2329: 	&nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2330: 	&nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
                   2331: 	$result.=
                   2332: 	    &nested_parse(\$dimension{$dim}{'questiontext'},[@_],
                   2333: 			  {'set_dim_id'          => undef,
1.195     albertel 2334: 			   'delayed_dim_results' => 1});
1.194     albertel 2335: 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2336: 			@{$dimension{$dim}{'criterias'}} ) {
                   2337: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2338: 	    if ($type eq 'dimension') {
                   2339: 		# dimensional 'criteria' don't get assigned grades
                   2340: 		$result.=
                   2341: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2342: 				  [@_],{'set_dim_id' => $id});
                   2343: 		next;
                   2344: 	    } else {
                   2345: 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2346: 					     [@_]);
                   2347: 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
                   2348: 		my $internal_location=&internal_location($id);
1.209     albertel 2349: 		if ($result =~ m/\Q$internal_location\E/) {
                   2350: 		    $result =~ s/\Q$internal_location\E/$criteria/;
                   2351: 		} else {
                   2352: 		    $result.=$criteria ;
                   2353: 		}
1.151     albertel 2354: 	    }
1.194     albertel 2355: 	}
                   2356: 	if (&nest()) {
                   2357: 	    &Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
                   2358: 	    $dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
                   2359: 	    undef($result);
                   2360: 	}
                   2361:     } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
                   2362: 	my $optional_passed=0;
                   2363: 	my $mandatory_failed=0;
                   2364: 	my $ungraded=0;
                   2365: 	my $review=0;
                   2366: 	
                   2367: 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2368: 	$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2369: 				 [@_]);
                   2370: 	$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2371: 				 [@_],{'set_dim_id' => undef});
                   2372: 	
                   2373: 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2374: 			@{$dimension{$dim}{'criterias'}}) {
                   2375: 	    my $link=&link($id);
                   2376: 	    
                   2377: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2378: 	    if ($type eq 'criteria') {
                   2379: 		# dimensional 'criteria' don't get assigned grades
                   2380: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
                   2381: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   2382: 	    } else {
                   2383: 		$result .=
                   2384: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2385: 				  [@_],{'set_dim_id' => $id});
1.20      albertel 2386: 	    }
1.194     albertel 2387: 	    my $status= &get_criteria('status',$version,$dim,$id);
                   2388: 	    
                   2389: 	    my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   2390: 	    if ($status eq 'pass') {
                   2391: 		if (!$mandatory) { $optional_passed++; }
                   2392: 	    } elsif ($status eq 'fail') {
                   2393: 		if ($mandatory) { $mandatory_failed++; }
                   2394: 	    } elsif ($status eq 'review') {
                   2395: 		$review++;
                   2396: 	    } elsif ($status eq 'ungraded') {
                   2397: 		$ungraded++;
1.20      albertel 2398: 	    } else {
1.194     albertel 2399: 		$ungraded++;
1.20      albertel 2400: 	    }
1.194     albertel 2401: 	}
                   2402: 
                   2403: 	my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
                   2404: 	if ($opt_req !~ /\S/) {
                   2405: 	    $opt_req=
                   2406: 		&Apache::lonxml::get_param('OptionalRequired',
                   2407: 					   $parstack,$safeeval);
                   2408: 	    if ($opt_req !~ /\S/) { $opt_req = 0; }
                   2409: 	}
                   2410: 	if ($optional_passed < $opt_req) {
                   2411: 	    $mandatory_failed++;
                   2412: 	}
                   2413: 	&Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
                   2414: 	if ($review) {
                   2415: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2416: 		'review';
                   2417: 	} elsif ($ungraded) {
                   2418: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2419: 		'ungraded';
                   2420: 	} elsif ($mandatory_failed) {
                   2421: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2422: 		'fail';
1.69      albertel 2423: 	} else {
1.194     albertel 2424: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2425: 		'pass';
1.13      albertel 2426: 	}
1.194     albertel 2427:     } else {
                   2428: 	# any other targets no output
                   2429: 	undef($result);
1.1       albertel 2430:     }
1.194     albertel 2431:     &disable_dimension_parsing();
                   2432:     pop(@Apache::bridgetask::dimension);
                   2433:     return $result;
                   2434: }
1.162     albertel 2435: 
1.198     albertel 2436: sub question_status_message {
1.197     albertel 2437:     my ($counts,$depth) = @_;
                   2438:     my %req  = ('man' => 'mandatory',
                   2439: 		'opt' => 'optional',);
                   2440:     my %type = ('cri' => 'criteria',
                   2441: 		'dim' => ('sub'x($depth+1)).'questions',);
                   2442:     my @sections;
                   2443:     foreach my $req ('man','opt') {
                   2444: 	foreach my $type ('cri','dim') {
                   2445: 	    if ($counts->{$req.'_'.$type}) {
                   2446: 		push(@sections,
1.213     albertel 2447: 		     $counts->{$req.'_'.$type.'_passed'}.' of the '.
1.197     albertel 2448: 		     $counts->{$req.'_'.$type}.' '.
                   2449: 		     $req{$req}.' '.$type{$type});
                   2450: 	    }
                   2451: 	}
                   2452:     }
                   2453: 
                   2454:     my $status = 'You passed ';
                   2455:     if (@sections == -1) {
                   2456:     } elsif (@sections == 1) {
                   2457: 	$status .= $sections[0];
                   2458:     } elsif (@sections == 2) {
                   2459: 	$status .= $sections[0].' and '.$sections[1];
                   2460:     } else {
                   2461: 	my $last = pop(@sections);
                   2462: 	$status .= join(', ',@sections).', and '.$last;
                   2463:     }
                   2464:     $status .= '.';
                   2465:     if ($counts->{'opt'}) {
                   2466: 	$status .= ' You were required to pass '.$counts->{'opt_req'}.
                   2467: 	    ' optional component'.($counts->{'opt_req'} == 1?'':'s');
                   2468:     }
                   2469:     return $status;
                   2470: }
                   2471: 
                   2472: sub get_counts {
                   2473:     my ($dim,$instance,$parstack,$safeeval) = @_;
                   2474:     my %counts;
                   2475:     my @possible = ('man_cri','man_dim',
                   2476: 		    'opt_cri','opt_dim',
                   2477: 		    'man_cri_passed', 'man_dim_passed',
                   2478: 		    'opt_cri_passed', 'opt_dim_passed',
                   2479: 		    'man_passed',
                   2480: 		    'opt_passed',
                   2481: 		    'opt_req');
                   2482:     foreach my $which (@possible) { $counts{$which} = 0; }
                   2483: 
                   2484:     my $version = &get_version();
                   2485: 
                   2486:     foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
                   2487: 		     @{$dimension{$dim}{'criterias'}} ) {
                   2488: 	my $status = &get_criteria('status',$version,$dim,$id);
                   2489: 	my $which;
                   2490: 	if ($dimension{$dim}{'criteria.'.$id.'.mandatory'} 
                   2491: 	    eq 'N') {
                   2492: 	    $which = 'opt';
                   2493: 	} else {
                   2494: 	    $which = 'man';
                   2495: 	}
                   2496: 	$counts{$which}++;
                   2497: 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
                   2498: 	if ($dimension{$dim}{'criteria.'.$id.'.type'}
                   2499: 	    eq 'dimension') {
                   2500: 	    $which .= '_dim';
                   2501: 	} else {
                   2502: 	    $which .= '_cri';
                   2503: 	}
                   2504: 	$counts{$which}++;
                   2505: 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
                   2506: 
                   2507: 
                   2508:     }
                   2509:     if ($counts{'man_dim_passed'} eq $counts{'man_dim'}) {
                   2510: 	$counts{'man_dim_passed'}='all';
                   2511:     }
                   2512:     if ($counts{'man_cri_passed'} eq $counts{'man_cri'}) {
                   2513: 	$counts{'man_cri_passed'}='all';
                   2514:     }
                   2515:     
                   2516:     $counts{'opt_req'}=$dimension{$dim}{$instance.'.optionalrequired'};
                   2517:     if ($counts{'opt_req'} !~ /\S/) {
                   2518: 	$counts{'opt_req'}= &Apache::lonxml::get_param('OptionalRequired',
                   2519: 						       $parstack,$safeeval);
                   2520: 	if ($counts{'opt_req'} !~ /\S/) { $counts{'opt_req'} = 0; }
                   2521:     }
                   2522:     return %counts;
                   2523: }
                   2524: 
1.194     albertel 2525: sub end_Setup {
                   2526:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2527:     my $result=&Apache::lonxml::endredirection();
                   2528:     my $dim=&get_id($parstack,$safeeval);
                   2529:     my $instance=&get_instance($dim);
                   2530:     my $version=&get_version();
                   2531:     if ($target eq 'web') {
                   2532: 	@Apache::scripttag::parser_env = @_;
                   2533: 	$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
                   2534: 	my @instances = $instance;
                   2535: 	if (&Apache::response::showallfoils()) {
                   2536: 	    @instances = @{$dimension{$dim}{'instances'}};
                   2537: 	}
                   2538: 	foreach my $instance (@instances) {
1.162     albertel 2539: 	    @Apache::scripttag::parser_env = @_;
1.194     albertel 2540: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
1.162     albertel 2541: 	    @Apache::scripttag::parser_env = @_;
1.194     albertel 2542: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
1.162     albertel 2543: 	}
1.194     albertel 2544:     } elsif ($target eq 'webgrade' 
                   2545: 	     || $target eq 'grade' && $env{'form.webgrade'}) {
                   2546: 	# in case of any side effects that we need
                   2547: 	@Apache::scripttag::parser_env = @_;
                   2548: 	&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
                   2549: 	@Apache::scripttag::parser_env = @_;
                   2550: 	&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
                   2551: 	@Apache::scripttag::parser_env = @_;
                   2552: 	&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
                   2553:     } else {
                   2554: 	# any other targets no output
                   2555: 	undef($result);
1.162     albertel 2556:     }
1.194     albertel 2557:     pop(@Apache::bridgetask::dimension);
                   2558:     return $result;
1.1       albertel 2559: }
                   2560: 
1.113     albertel 2561: sub grading_history {
1.151     albertel 2562:     my ($version,$dim,$id) = @_;
1.113     albertel 2563:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   2564: 	return '';
                   2565:     }
                   2566:     my ($result,$grader);
1.194     albertel 2567:     my $scope="resource.$version.0.";
                   2568:     $scope .= ($dim ne $top) ? "$dim.$id"
                   2569: 	                     : "$id";
1.113     albertel 2570:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   2571: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   2572: 	    my ($gname,$gdom) = 
1.138     albertel 2573: 		split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
1.113     albertel 2574: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   2575: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   2576: 							 $gname,$gdom);
                   2577: 	}
                   2578: 	my $entry;
                   2579: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   2580: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   2581: 	}
                   2582: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   2583: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   2584: 	}
                   2585: 	if ($entry) {
1.200     albertel 2586: 	    $result.= "\n\t\t<li>\n\t\t\t$grader :\n\t\t\t $entry \n\t\t</li>";
1.113     albertel 2587: 	}
                   2588:     }
                   2589:     if ($result) {
1.200     albertel 2590: 	return "\n\t".'<ul class="LC_GRADING_pastgrading">'.$result.
                   2591: 	    "\n\t".'</ul>'."\n";
1.113     albertel 2592:     }
                   2593:     return '';
                   2594: }
                   2595: 
1.1       albertel 2596: sub start_IntroParagraph {
1.87      albertel 2597:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 2598:     my $result;
1.168     albertel 2599:     my $dim = &get_dim_id();
1.153     albertel 2600:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.151     albertel 2601: 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
1.169     albertel 2602: 	    $dimension{$dim}{'intro'}=
1.151     albertel 2603: 		&Apache::lonxml::get_all_text('/introparagraph',
                   2604: 					      $parser,$style);
                   2605:        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2606: 	    &Apache::lonxml::startredirection();
1.1       albertel 2607: 	}
1.47      albertel 2608: 	
1.1       albertel 2609:     }
                   2610:     return $result;
                   2611: }
                   2612: 
                   2613: sub end_IntroParagraph {
1.127     albertel 2614:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 2615:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2616: 	my $result = &Apache::lonxml::endredirection();
                   2617:     }
1.1       albertel 2618: }
                   2619: 
                   2620: sub start_Instance {
                   2621:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.168     albertel 2622:     my $dim = &get_dim_id();
                   2623:     my $id  = &get_id($parstack,$safeeval);
1.169     albertel 2624:     push(@{$dimension{$dim}{'instances'}},$id);
1.168     albertel 2625:     push(@{$Apache::bridgetask::instance{$dim}},$id);
1.19      albertel 2626:     push(@Apache::bridgetask::instancelist,$id);
1.169     albertel 2627:     $dimension{$dim}{$id.'.optionalrequired'}=
1.19      albertel 2628: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 2629:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   2630:     if (lc($disabled) eq 'yes') {
1.169     albertel 2631: 	$dimension{$dim}{$id.'.disabled'}='1';
1.75      albertel 2632:     }
1.1       albertel 2633:     return '';
                   2634: }
                   2635: 
                   2636: sub end_Instance {
                   2637: }
                   2638: 
                   2639: sub start_InstanceText {
1.87      albertel 2640:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2641:     my $dim = &get_dim_id();
                   2642:     my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.87      albertel 2643:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.153     albertel 2644:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.169     albertel 2645: 	$dimension{$dim}{$instance_id.'.text'}=$text;
1.1       albertel 2646:     }
                   2647:     return '';
                   2648: }
                   2649: 
                   2650: sub end_InstanceText {
                   2651:     return '';
                   2652: }
                   2653: 
                   2654: sub start_Criteria {
1.87      albertel 2655:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2656:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.190     albertel 2657:     my $result = '';
1.21      albertel 2658:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.168     albertel 2659: 	my $dim = &get_dim_id();
1.19      albertel 2660: 	my $id=&get_id($parstack,$safeeval);
1.194     albertel 2661: 	if ($target eq 'web' || $target eq 'webgrade') {
1.208     albertel 2662: 	    if ($target eq 'webgrade') {
1.195     albertel 2663: 		&Apache::lonxml::debug(" for $dim $id stashing results into $dim ");
                   2664: 		$dimension{$dim}{'result'} .= &internal_location($id);
                   2665: 	    } else {
                   2666: 		&Apache::lonxml::debug(" not stashing $dim $id");
1.206     albertel 2667: 		#$result .= &internal_location($id);
1.195     albertel 2668: 	    }
1.194     albertel 2669: 	}
1.169     albertel 2670: 	&Apache::lonxml::debug("Criteria $id with $dim");
1.151     albertel 2671: 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
1.168     albertel 2672: 	    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.169     albertel 2673: 	    $dimension{$dim}{"criteria.$instance_id.$id"}=$criteria;
                   2674: 	    $dimension{$dim}{"criteria.$instance_id.$id.type"}='criteria';
                   2675: 	    $dimension{$dim}{"criteria.$instance_id.$id.mandatory"}=
1.151     albertel 2676: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 2677: 	    push(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
1.151     albertel 2678: 	} else {
1.169     albertel 2679: 	    $dimension{$dim}{'criteria.'.$id}=$criteria;
                   2680: 	    $dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
                   2681: 	    $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
1.151     albertel 2682: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 2683: 	    push(@{$dimension{$dim}{'criterias'}},$id);
1.194     albertel 2684: 	}
                   2685:     }
                   2686:     return $result;
                   2687: }
                   2688: 
                   2689: sub layout_web_Criteria {
                   2690:     my ($dim,$id,$criteria) = @_;
1.190     albertel 2691: 
1.194     albertel 2692:     my $version = &get_version();
                   2693:     my $status= &get_criteria('status', $version,$dim,$id);
                   2694:     my $comment=&get_criteria('comment',$version,$dim,$id);
                   2695:     my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   2696:     if ($mandatory) {
                   2697: 	$mandatory='Mandatory';
                   2698:     } else {
                   2699: 	$mandatory='Optional';
1.1       albertel 2700:     }
1.194     albertel 2701:     my $status_display=$status;
                   2702:     $status_display=~s/^([a-z])/uc($1)/e;
                   2703:     my $criteria_info.=
1.200     albertel 2704: 	'<div class="LC_'.$status.' LC_criteria">'."\n\t".'<h4>'
1.204     albertel 2705: 	.$mandatory.' Criteria</h4>'."\n\t".'<p class="LC_criteria_text">'
                   2706: 	."\n";
1.202     albertel 2707:     $criteria =~ s/^\s*//s;
                   2708:     $criteria =~ s/\s*$//s;
1.194     albertel 2709:     $criteria_info.= $criteria;
1.200     albertel 2710:     $criteria_info.="\n\t".'</p>'.
                   2711: 	"\n\t".'<p class="LC_grade">'.$status_display.'</p>';
1.194     albertel 2712:     if ($comment =~ /\w/) {
1.200     albertel 2713: 	$criteria_info.=
                   2714: 	    "\n\t".
                   2715: 	    '<p class="LC_comment">'.&mt('Comment: [_1]',$comment).'</p>';
1.194     albertel 2716:     }
1.200     albertel 2717:     $criteria_info.="\n".'</div>'."\n";
                   2718:     
1.194     albertel 2719:     return $criteria_info;
                   2720: }
                   2721: 
                   2722: sub layout_webgrade_Criteria {
                   2723:     my ($dim,$id,$criteria) = @_;
                   2724:     my $link=&link($id);
                   2725:     my $version = &get_version();
                   2726:     my $status  = &get_criteria('status',$version,$dim,$id);
1.200     albertel 2727:     my %lt = ( 'ungraded' => 'Ungraded',
                   2728: 	       'fail'     => 'Fail',
                   2729: 	       'pass'     => 'Pass',
                   2730: 	       'review'   => 'Review',
                   2731: 	       'comment'  => 'Additional Comment for Student',
                   2732: 	       );
                   2733:     %lt = &Apache::lonlocal::texthash(%lt);
                   2734:     my $comment = &get_criteria('comment',$version,$dim,$id);
                   2735:     $comment = &HTML::Entities::encode($comment,'<>"&');
                   2736:     my %checked;
                   2737:     foreach my $which ('ungraded','fail','pass','review') {
                   2738: 	if ($status eq $which) { $checked{$which} = 'checked="checked"'; }
                   2739:     }
                   2740:     if (!%checked) { $checked{'ungraded'} = 'checked="checked"'; }
1.201     albertel 2741:     my $buttons;
                   2742:     foreach my $which  ('ungraded','fail','pass','review') {
                   2743: 	$buttons .= <<END_BUTTON;
                   2744: 		<label class="LC_GRADING_$which">
                   2745: 			<input type="radio" name="HWVAL_$link" value="$which" $checked{$which} />
                   2746: 			$lt{$which}
                   2747: 		</label>
                   2748: END_BUTTON
                   2749:     }
1.202     albertel 2750:     $criteria =~ s/^\s*//s;
                   2751:     $criteria =~ s/\s*$//s;
1.200     albertel 2752:     my $result = <<END_CRITERIA;
1.201     albertel 2753: <div class="LC_GRADING_criteria">
                   2754: 	<div class="LC_GRADING_criteriatext">
                   2755: 		$criteria
                   2756: 	</div>
                   2757: 	<div class="LC_GRADING_grade">
                   2758: $buttons
                   2759: 	</div>
                   2760: 	<label class="LC_GRADING_comment">
                   2761: 		$lt{'comment'}
                   2762: 		<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_$link">$comment</textarea>
                   2763: 	</label>
                   2764: </div>
1.200     albertel 2765: END_CRITERIA
                   2766:     $result .= &grading_history($version,$dim,$id);
1.190     albertel 2767:     return $result;
1.1       albertel 2768: }
                   2769: 
1.47      albertel 2770: sub end_Criteria {
                   2771: }
                   2772: 
1.186     albertel 2773: sub start_GraderNote {
                   2774:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2775:     
                   2776:     if ($target eq 'webgrade') {
1.187     albertel 2777: 	return '<div class="LC_GRADING_gradernote"><b>'.
                   2778: 	    &mt('Note to graders:').'</b>';
1.186     albertel 2779:     }
                   2780:     my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style); 
                   2781:     return;
                   2782: }
                   2783: 
                   2784: sub end_GraderNote {
                   2785:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2786: 
                   2787:     if ($target eq 'webgrade') {
                   2788: 	return '</div>';
                   2789:     }
                   2790:     return;
                   2791: }
                   2792: 
                   2793: 
                   2794: 
1.4       albertel 2795: sub proctor_validation_screen {
                   2796:     my ($slot) = @_;
1.185     albertel 2797:     my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
1.5       albertel 2798:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 2799:     my $name=&Apache::loncommon::plainname($user,$domain);
                   2800:     
1.4       albertel 2801:     my $msg;
1.11      albertel 2802:     if ($env{'form.proctorpassword'}) {
1.4       albertel 2803: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   2804: 	    .'</font></p>';
                   2805:     }
1.47      albertel 2806:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 2807:     my $result= (<<ENDCHECKOUT);
                   2808: <h2>Proctor Validation</h2>
                   2809:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   2810:     $msg
1.115     albertel 2811: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 2812: <input type="hidden" name="validate" value="yes" />
                   2813: <input type="hidden" name="submitted" value="yes" />
                   2814: <table>
1.44      albertel 2815:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 2816:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 2817:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 2818: </table>
                   2819: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 2820: <table border="1">
                   2821:   <tr><td>
                   2822:     <table>
                   2823:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   2824:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 2825:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.138     albertel 2826:       <tr><td>Usename</td><td>$user:$domain</td></tr>
1.44      albertel 2827:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   2828:     </table>
                   2829:   </tr></td>
                   2830: </table>
1.4       albertel 2831: </form>
                   2832: ENDCHECKOUT
                   2833:     return $result;
                   2834: }
                   2835: 
1.1       albertel 2836: 1;
                   2837: __END__

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