Annotation of loncom/homework/bridgetask.pm, revision 1.94

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.94    ! albertel    4: # $Id: bridgetask.pm,v 1.93 2005/12/21 19:10:33 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 );
1.9       albertel   41: 
1.1       albertel   42: BEGIN {
                     43:     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph'));
                     44: }
                     45: 
1.9       albertel   46: sub initialize_bridgetask {
                     47:     # id of current Dimension, 0 means that no dimension is current 
                     48:     # (inside <Task> only)
                     49:     $Apache::bridgetask::dimension='';
                     50:     # list of all Dimension ids seen
                     51:     @Apache::bridgetask::dimensionlist=();
1.20      albertel   52:     # mandatory attribute of all Dimensions seen
                     53:     %Apache::bridgetask::dimensionmandatory=();
1.9       albertel   54:     # list of all current Instance ids
                     55:     @Apache::bridgetask::instance=();
                     56:     # list of all Instance ids seen in this problem
                     57:     @Apache::bridgetask::instancelist=();
1.15      albertel   58:     # key of queud user data that we are currently grading
                     59:     $Apache::bridgetask::queue_key='';
1.9       albertel   60: }
                     61: 
1.4       albertel   62: sub proctor_check_auth {
1.81      albertel   63:     my ($slot_name,$slot,$type)=@_;
1.11      albertel   64:     my $user=$env{'form.proctorname'};
                     65:     my $domain=$env{'form.proctordomain'};
1.4       albertel   66:     
                     67:     my @allowed=split(",",$slot->{'proctor'});
                     68:     foreach my $possible (@allowed) {
                     69: 	my ($puser,$pdom)=(split('@',$possible));
                     70: 	if ($puser eq $user && $pdom eq $domain) {
1.72      albertel   71: 	    my $authenticated=0;
                     72: 	    if ( $slot->{'secret'} =~ /\S/ &&
                     73: 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
                     74: 		$authenticated=1;
                     75: 	    } else {
                     76: 		
                     77: 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
                     78: 		if ($authhost ne 'no_host') {
                     79: 		    $authenticated=1;
                     80: 		}
                     81: 	    }
1.81      albertel   82: 	    if ($authenticated && $type eq 'Task') {
1.93      albertel   83: 		# increment version
1.23      albertel   84: 		my $version=
1.90      albertel   85: 		    $Apache::lonhomework::history{'resource.0.version'};
                     86: 		$version++;
1.93      albertel   87: 
                     88: 		#clean out all current results
                     89: 		foreach my $key (keys(%Apache::lonhomework::history)) {
                     90: 		    if ($key=~/^resource\.0\./) {
                     91: 			$Apache::lonhomework::results{$key}='';
                     92: 		    }
                     93: 		}
                     94: 		
                     95: 		#setup new version and who did it
1.90      albertel   96: 		$Apache::lonhomework::results{'resource.0.version'}=$version;
1.89      albertel   97: 		$Apache::lonhomework::results{"resource.$version.0.checkedin"}=
1.4       albertel   98: 		    $user.'@'.$domain;
1.89      albertel   99: 		$Apache::lonhomework::results{"resource.$version.0.checkedin.slot"}=
1.22      albertel  100: 		    $slot_name;
1.93      albertel  101: 
1.4       albertel  102: 		return 1;
1.81      albertel  103: 	    } elsif ($authenticated && $type eq 'problem') {
1.90      albertel  104: 		&Apache::lonxml::debug("authed $slot_name");
1.81      albertel  105: 		$Apache::lonhomework::results{"resource.0.checkedin"}=
                    106: 		    $user.'@'.$domain;
                    107: 		$Apache::lonhomework::results{"resource.0.checkedin.slot"}=
                    108: 		    $slot_name;
1.4       albertel  109: 	    }
                    110: 	}
                    111:     }
                    112:     return 0;
                    113: }
                    114: 
1.25      albertel  115: sub get_version {
1.29      albertel  116:     my ($version,$previous);
1.25      albertel  117:     if ($env{'form.previousversion'} && 
1.36      albertel  118: 	$env{'form.previousversion'} ne 'current' &&
1.89      albertel  119: 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
1.29      albertel  120: 	$version=$env{'form.previousversion'};
                    121: 	$previous=1;
                    122:     } else {
1.89      albertel  123: 	$version=$Apache::lonhomework::history{'resource.0.version'};
1.29      albertel  124: 	$previous=0;
                    125:     }
                    126:     if (wantarray) {
                    127: 	return ($version,$previous);
1.25      albertel  128:     }
1.29      albertel  129:     return $version;
1.25      albertel  130: }
                    131: 
1.8       albertel  132: sub add_previous_version_button {
1.25      albertel  133:     my ($status)=@_;
1.8       albertel  134:     my $result;
1.89      albertel  135:     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
1.25      albertel  136: 	return '';
                    137:     }
1.89      albertel  138:     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
1.29      albertel  139: 	$status ne 'NEEDS_CHECKIN') {
1.25      albertel  140: 	return '';
                    141:     }
1.29      albertel  142:     my $version=&get_version();
                    143:     if ($env{'form.previousversion'} ne '' &&
                    144: 	$env{'form.previousversion'} eq $version) {
                    145: 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
                    146: 	    "</h3>\n";
                    147:     }
                    148:     my @to_show;
1.89      albertel  149:     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
                    150: 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
1.29      albertel  151: 	    push(@to_show,$test_version);
                    152: 	}
                    153:     }
                    154:     my $list='<option>'.
                    155: 	join("</option>\n<option>",@to_show).
                    156: 	     "</option>\n";
1.36      albertel  157:     $list.='<option value="current">'.&mt('Current').'</option>';
1.29      albertel  158:     $result.='<form name="getprevious" method="POST" action="';
                    159:     my $uri=$env{'request.uri'};
                    160:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    161:     $result.=$uri.'">'.
                    162: 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
                    163: <option>'.&mt('Pick one').'</option>
                    164: '.$list.'
                    165: </select>')."</form>";
1.8       albertel  166:     return $result;
                    167: }
                    168: 
1.13      albertel  169: sub add_grading_button {
1.59      albertel  170:     my (undef,$cid)=&Apache::lonxml::whichuser();
                    171:     my $cnum=$env{'course.'.$cid.'.num'};
                    172:     my $cdom=$env{'course.'.$cid.'.domain'};
                    173:     my %sections;
                    174:     my $numsections=&Apache::loncommon::get_sections($cdom,$cnum,\%sections);
                    175:     my $size=5;
                    176:     if (scalar(keys(%sections)) < 3) {
                    177: 	$size=scalar(keys(%sections))+2;
                    178:     }
                    179:     my $sec_select = '<select multiple name="chosensections" size="'.$size.'">'."\n";
                    180:     $sec_select .= "<option value='all' selected='selected'>all</option>\n";
                    181:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
                    182: 	$sec_select .= "<option name=\"$sec\">$sec</option>\n";
                    183:     }
                    184:     $sec_select .= "<option value='none'>none</option></select>\n";
                    185:     
1.29      albertel  186:     my $result=' <input type="submit" name="gradeasubmission" value="'.
1.13      albertel  187: 	&mt("Get a submission to grade").'" />';
                    188:     $result.='<input type="hidden" name="grade_target" value="webgrade" />';
1.40      albertel  189:     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.34      albertel  190: 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
1.59      albertel  191: 	$result.='<p>Specify a section: '.$sec_select.'</p>';
1.34      albertel  192: 	$result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
                    193: 
                    194: 	$result.=' <input type="submit" name="reviewagrading" value="'.
                    195: 	    &mt("Select an entry from the grading queue").'" /> </p>'."\n";
                    196: 
                    197: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
                    198: 	$result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
1.32      albertel  199: 	$result.=' <input type="submit" name="reviewasubmission" value="'.
1.34      albertel  200: 	    &mt("Select an entry from the review queue").'" /> </p>'."\n";
1.49      albertel  201: 	$result.=' <input type="submit" name="regradeasubmission" value="'.
                    202: 	    &mt("Select a user to regrade.").'" /> </p>'."\n";
1.32      albertel  203:     }
1.13      albertel  204:     return $result;
                    205: }
                    206: 
1.22      albertel  207: sub add_request_another_attempt_button {
1.38      albertel  208:     my ($text)=@_;
                    209:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  210:     my $result;
1.36      albertel  211:     my $symb=&Apache::lonnet::symbread();
1.37      albertel  212:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  213:     my $action='get_reservation';
1.37      albertel  214:     if ($slot_name) {
1.38      albertel  215: 	$text="Change reservation.";
                    216: 	$action='change_reservation';
1.37      albertel  217: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    218: 							      $slot);
                    219: 	$result.=(<<STUFF);
                    220: <p> Will be next available: $description </p>
                    221: STUFF
                    222:     }
1.38      albertel  223:     
                    224:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
                    225:     $symb=&Apache::lonnet::escape($symb);
                    226:     $result.='<form method="POST" action="/adm/slotrequest">'.
                    227: 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
                    228: 	'<input type="hidden" name="command" value="'.$action.'" />'.
                    229: 	'<input type="submit" name="requestattempt" value="'.
                    230: 	&mt($text).'" />'.
                    231: 	'</form>';
1.25      albertel  232:     return $result;
1.22      albertel  233: }
                    234: 
1.30      albertel  235: sub preserve_grade_info {
                    236:     my $result;
                    237:     # if we are viewing someone else preserve that info
                    238:     if (defined $env{'form.grade_symb'}) {
                    239: 	foreach my $field ('symb','courseid','domain','username') {
                    240: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    241: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    242: 	}
                    243:     }
                    244:     return $result;
                    245: }
                    246: 
1.53      albertel  247: sub style {
                    248:     return (<<STYLE);
                    249: <style type="text/css">
                    250: .fail, .pass, .neutral {
                    251:     position: relative;
                    252:     margin : 5px;
                    253:     margin-bottom :10px;
                    254:     padding : 4px;
                    255:     padding-left : 75px;
                    256: 	border : thin solid;
                    257:     font-weight : bolder;
                    258:     font-size: smaller;
                    259:     font-family: Arial;
                    260:     background-color : rgb(255,240,225);
                    261: }
                    262: 
                    263: .fail h4, .pass h4 {
                    264: 	position:absolute;
                    265: 	left: -4px;
                    266: 	top: -8px;
                    267: 	padding:2px;
                    268: 	margin:0;
                    269: 	background-color : rgb(255,240,225);
                    270: 	border : thin solid;
                    271: }
                    272: 
                    273: .fail {
                    274: 	color: red;
                    275: }
                    276: 
                    277: .pass {
                    278:     color : green;
                    279: }
                    280: 
                    281: .neutral {
                    282: 	color : blue;
                    283: }
                    284: 
                    285: .question {
                    286: 	border : thin solid black;
                    287: 	padding : 4px;
                    288: 	margin-bottom : 1em;
                    289: }
                    290: 
                    291: .grade {
                    292: 	font-size: x-large;
                    293: 	font-family: Arial;
                    294: 	position:absolute;
                    295: 	left: 5px;
                    296: 	top: -5px;
                    297: 	width: 70px;
                    298: }
                    299: 
                    300: div#feedback h1 {
                    301:     color : inherit;
                    302: }
                    303: </style>
                    304: STYLE
                    305: 
                    306: }
                    307: 
1.54      albertel  308: sub show_task {
                    309:     my ($status,$previous)=@_;
                    310:     if (!$previous && (
                    311: 		       ( $status eq 'CLOSED' ) ||
                    312: 		       ( $status eq 'BANNED') ||
                    313: 		       ( $status eq 'UNAVAILABLE') ||
                    314: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    315: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    316: 		       ( $status eq 'WAITING_FOR_GRADE') ||
                    317: 		       ( $status eq 'INVALID_ACCESS') )) {
                    318: 	return 0;
                    319:     }
1.64      albertel  320:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  321:     return 1;
                    322: }
                    323: 
                    324: sub internal_location {
                    325:     my ($id)=@_;
                    326:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    327: }
                    328: 
1.60      albertel  329: sub submission_time_stamp {
                    330:     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
                    331:     my $submissiontime;
1.89      albertel  332:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  333:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
                    334: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
                    335: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
                    336: 	}
                    337:     }
                    338:     my $result;
                    339:     if ($submissiontime) {
1.89      albertel  340: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  341: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    342: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  343: 	my ($color,$when)=('#FF6666','after');
                    344: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  345: 	my $info;
                    346: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    347: 	$diff=int($diff/60);
                    348: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    349: 	$diff=int($diff/60);
                    350: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    351: 	$result='<p><font color="'.$color.'">'.
                    352: 	    &mt('Student submitted [_1] [_2] the deadline. 
                    353:                  (Submission was at [_3], end of period was [_4].)',
                    354: 		$info,$when,scalar(localtime($submissiontime)),
                    355: 		scalar(localtime($slot{'endtime'}))).
                    356: 		'</font></p>';
                    357:     }
                    358:     return $result;
                    359: }
                    360: 
1.70      albertel  361: sub webgrade_standard_info {
                    362:     my ($version)=&get_version();
                    363:     my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
                    364:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
                    365:     my $file_list="<ul>\n";
                    366:     foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
                    367: 	my $file=$file_url.$partial_file;
                    368: 	$file=~s|/+|/|g;
                    369: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.73      albertel  370: 	$file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
1.70      albertel  371: 	    &Apache::loncommon::icon($file).'" border=0"> '.$file.
                    372: 	    '</a></nobr></li>'."\n";
                    373:     }
                    374:     $file_list.="</ul>\n";
                    375: 
                    376:     my %lt=&Apache::lonlocal::texthash('done' => 'Done',
                    377: 				       'stop' => 'Stop',
                    378: 				       );
                    379: 				       
                    380:     my $result=<<INFO;
                    381: <div class="handininfo">
                    382:   <input type="submit" name="next" value="$lt{'done'}" />
                    383:   <input type="submit" name="stop" value="$lt{'stop'}" />
                    384:   $file_list
                    385: </div>
                    386: INFO
                    387:     return $result;
                    388: }
                    389: 
1.1       albertel  390: sub start_Task {
1.87      albertel  391:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  392: 
1.4       albertel  393:     my ($status,$accessmsg,$slot);
1.16      albertel  394:     if ($target ne 'webgrade') {
1.70      albertel  395: 	&Apache::structuretags::init_problem_globals('Task');
1.16      albertel  396: 	&Apache::structuretags::initialize_storage();
                    397: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  398: 	if ($env{'request.state'} eq 'construct') {
                    399: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    400: 	}
1.16      albertel  401:     } 
                    402: 
1.4       albertel  403:     $Apache::lonhomework::parsing_a_task=1;
1.1       albertel  404:     #should get back a <html> or the neccesary stuff to start XML/MathML
                    405:     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
                    406: 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.16      albertel  407:     
1.74      albertel  408:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.13      albertel  409: 	if ($Apache::lonhomework::modifygrades) {
                    410: 	    $body_tag_start.='<form name="gradesubmission" method="POST" action="';
                    411: 	    my $uri=$env{'request.uri'};
                    412: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    413: 	    $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  414: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  415: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                    416: 		$body_tag_start.='<form method="POST" action="/adm/slotrequest">'.
                    417: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    418: 		    '<input type="hidden" name="command" value="showslots" />'.
                    419: 		    '<input type="submit" name="requestattempt" value="'.
                    420: 		    &mt('Show Slot list').'" />'.
                    421: 		    '</form>';
                    422: 	    }
1.13      albertel  423: 	}
1.8       albertel  424:     }
1.74      albertel  425:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    426: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    427:     }
1.21      albertel  428:     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
1.1       albertel  429: 	$target eq 'tex') {
1.29      albertel  430: 	my ($version,$previous)=&get_version();
1.14      albertel  431: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  432: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.9       albertel  433: 	push(@Apache::inputtags::status,$status);
1.14      albertel  434: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  435: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  436: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  437: 	&Apache::run::run($expression,$safeeval);
                    438: 	&Apache::lonxml::debug("Got $status");
1.25      albertel  439: 	$body_tag_start.=&add_previous_version_button($status);
1.54      albertel  440: 	if (!&show_task($status,$previous)) {
1.87      albertel  441: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  442: 	    if ( $target eq "web" ) {
1.4       albertel  443: 		$result.= $head_tag_start.'</head>'.$body_tag_start;
1.74      albertel  444: 		if ($env{'request.state'} eq 'construct') {
                    445: 		    $result.=$form_tag_start;
                    446: 		}
1.4       albertel  447: 		my $msg;
1.1       albertel  448: 		if ($status eq 'UNAVAILABLE') {
                    449: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  450: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    451: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  452: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  453: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    454: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    455: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  456: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    457: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  458: 		} elsif ($env{'form.donescreen'}) {
                    459: 		    my $title=&Apache::lonnet::gettitle();
1.67      albertel  460: 		    my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
                    461: 		    my $files='<ul><li>'.join('</li><li>',@files).'</li></ul>';
1.64      albertel  462: 		    $result.=<<DONESCREEN;
                    463: <h2>$title</h2>
                    464: <p> Files submitted: $files </p>
1.67      albertel  465: <p> You are now done with this Bridge Task </p>
1.64      albertel  466: <hr />
                    467: <p> <a href="/adm/logout">Logout</a> </p>
                    468: <p> <a href="/adm/roles">Change to a different course</a> </p>
                    469: DONESCREEN
1.1       albertel  470: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    471: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    472: 		}
                    473: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    474: 		    $msg.='The problem '.$accessmsg;
                    475: 		}
                    476: 		$result.=$msg.'<br />';
                    477: 	    } elsif ($target eq 'tex') {
                    478: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    479: 		if ($status eq 'UNAVAILABLE') {
                    480: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    481: 		} else {
                    482: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    483: 		}
1.22      albertel  484: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  485: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  486: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    487: 		       && defined($Apache::inputtags::slot_name)) {
1.77      albertel  488: 			my $result=&add_to_queue('gradingqueue',
1.82      albertel  489: 						 [$Apache::inputtags::slot_name]);
1.77      albertel  490: 			&Apache::lonxml::debug("add_to_queue said $result");
                    491: 		    }
1.4       albertel  492: 		}
1.1       albertel  493: 	    }
                    494: 	} elsif ($target eq 'web') {
                    495: 	    my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    496: 	    $result.="$head_tag_start<title>$name</title></head>
1.53      albertel  497:               $body_tag_start \n".&style();
1.36      albertel  498: 	    
1.57      albertel  499: 	    $result.=&preserve_grade_info();
                    500: 	    $result.=&internal_location();
1.36      albertel  501: 	    $result.=$form_tag_start.
                    502: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  503: 	    &Apache::lonxml::startredirection();
1.1       albertel  504: 	}
1.21      albertel  505:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    506: 	      $target eq 'webgrade') {
1.32      albertel  507: 	my $webgrade='yes';
1.21      albertel  508: 	if ($target eq 'webgrade') {
1.32      albertel  509: 	    $result.=$head_tag_start.$body_tag_start;
1.49      albertel  510: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    511: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  512: 	}
1.33      albertel  513: 	# FIXME Blast! still need to reorg this, need to reshow the
                    514:         #       queue being reviewed once done with the grade pass...
                    515:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    516:         #       perhaps do a search if there is a key that is mine and if
                    517:         #       there isn't reshow the queue....
                    518: 	my ($todo,$status_code)=&get_key_todo($target);
                    519: 
                    520: 	if ($todo) {
                    521: 	    &setup_env_for_other_user($todo,$safeeval);
                    522: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    523: 	    $result.="\n".'<table><tr><td>Found '.
                    524: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    525: 	    $form_tag_start.=
                    526: 		'<input type="hidden" name="gradingkey" value="'.
                    527: 		&Apache::lonnet::escape($todo).'" />';
                    528: 	    $Apache::bridgetask::queue_key=$todo;
                    529: 	    &Apache::structuretags::initialize_storage();
                    530: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
                    531: 	    if ($target eq 'webgrade') {
1.49      albertel  532: 		#$result.='<br />After -'.&show_queue($env{'form.queue'});
1.33      albertel  533: 		$result.="\n".'<table width="100%" style="width:100%" border="1">';
                    534: 		if ($status_code eq 'selected') {
                    535: 		    $form_tag_start.=
                    536: 			'<input type="hidden" name="queuemode" value="selected" />';
                    537: 		}
                    538: 	    }
1.15      albertel  539: 	} else {
1.33      albertel  540: 	    if ($target eq 'webgrade') {
                    541: 		$result.="\n";
1.81      albertel  542: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    543: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  544: 		if      ($status_code eq 'stop') {
1.81      albertel  545: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.33      albertel  546: 		} elsif ($status_code eq 'lock_failed') {
1.81      albertel  547: 		    $result.='<b>'.&mt("Failed to lock the request record.")
                    548: 			.'</b>'.$back;
1.33      albertel  549: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  550: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    551: 			.'</b>'.$back;
1.33      albertel  552: 		    $result.=&show_queue($env{'form.queue'},1);
                    553: 		} elsif ($status_code eq 'show_list') {
                    554: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  555: 		} elsif ($status_code eq 'select_user') {
                    556: 		    $result.=&select_user();
1.33      albertel  557: 		} else {
1.81      albertel  558: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  559: 		}
1.21      albertel  560: 	    }
1.33      albertel  561: 	    $webgrade='no';
1.87      albertel  562: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  563: 	}
                    564: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  565: 	    if ($webgrade eq 'yes') {
                    566: 		$result.=&submission_time_stamp();
                    567: 	    }
1.32      albertel  568: 	    $result.=$form_tag_start;
                    569: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    570: 		$webgrade.'" />';
                    571: 	    $result.='<input type="hidden" name="queue" value="'.
                    572: 		$env{'form.queue'}.'" />';
1.52      albertel  573: 	    if ($env{'form.regrade'}) {
                    574: 		$result.='<input type="hidden" name="regrade" value="'.
                    575: 		    $env{'form.regrade'}.'" />';
                    576: 	    }
1.62      albertel  577: 	    if ($env{'form.chosensections'}) {
                    578: 		my @chosen_sections=
                    579: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    580: 		foreach my $sec (@chosen_sections) {
                    581: 		    $result.='<input type="hidden" name="chosensections" 
                    582:                                value="'.$sec.'" />';
                    583: 		}
                    584: 	    }
1.70      albertel  585: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  586: 	}
1.74      albertel  587:     } elsif ($target eq 'edit') {
                    588: 	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
                    589: 	    &Apache::structuretags::problem_edit_header();
                    590: 	$Apache::lonxml::warnings_error_header=
                    591: 	    &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 />";
                    592: 	my $temp=&Apache::edit::insertlist($target,$token);
                    593: 	$result.=$temp;
1.1       albertel  594:     } else {
                    595: 	# page_start returned a starting result, delete it if we don't need it
                    596: 	$result = '';
                    597:     }
                    598:     return $result;
                    599: }
                    600: 
1.32      albertel  601: sub get_key_todo {
                    602:     my ($target)=@_;
                    603:     my $todo;
1.33      albertel  604: 
                    605:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  606: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  607: 	$env{'form.queue'}='reviewqueue';
                    608: 	return (undef,'show_list');
                    609:     }
                    610: 
                    611:     if (defined($env{'form.reviewagrading'})) {
                    612: 	&Apache::lonxml::debug("review a grading....");
                    613: 	$env{'form.queue'}='gradingqueue';
                    614: 	return (undef,'show_list');
                    615:     }
                    616: 
1.49      albertel  617:     if (defined($env{'form.regradeasubmission'})) {
                    618: 	&Apache::lonxml::debug("regrade a grading....");
                    619: 	$env{'form.queue'}='none';
                    620: 	return (undef,'select_user');
                    621:     }
                    622: 
1.32      albertel  623:     my $queue=$env{'form.queue'};
1.33      albertel  624: 
1.32      albertel  625:     if (!defined($queue)) {
                    626: 	$env{'form.queue'}=$queue='gradingqueue';
                    627:     }
1.33      albertel  628: 
1.32      albertel  629:     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.33      albertel  630: 
1.49      albertel  631:     if ($env{'form.queue'} eq 'none') {
                    632: 	if (defined($env{'form.gradingkey'})) {
                    633: 	    if ($target eq 'webgrade') {
                    634: 		if ($env{'form.stop'}) {
                    635: 		    return (undef,'stop');
                    636: 		} elsif ($env{'form.next'}) {
1.59      albertel  637: 		    return (undef,'select_user');
1.49      albertel  638: 		}
                    639: 	    }
                    640: 	    return ($gradingkey,'selected');
                    641: 	} else {
1.59      albertel  642: 	    return (undef,'select_user');
1.49      albertel  643: 	}
                    644:     }
1.32      albertel  645:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  646: 	&& !defined($env{'form.gradingaction'}) 
                    647: 	&& $env{'form.queuemode'} eq 'selected') {
                    648: 	
                    649: 	my $who=&queue_key_locked($queue,$gradingkey);
                    650: 	my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    651: 	if ($who eq $me) {
                    652: 	    &Apache::lonxml::debug("Found a key was given to me");
                    653: 	    return ($gradingkey,'selected');
                    654: 	} else {
                    655: 	    return (undef,'show_list');
                    656: 	}
                    657: 
                    658:     }
                    659: 
                    660:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    661: 	if ($env{'form.gradingaction'} eq 'resume') {
                    662: 	    delete($env{'form.gradingaction'});
                    663: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  664: 	    return ($gradingkey);
1.33      albertel  665: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    666: 	    &Apache::lonxml::debug("Unlocking a key ".
                    667: 				     &check_queue_unlock($queue,$gradingkey,1));
                    668: 	    return (undef,'unlock');
                    669: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    670: 	    &Apache::lonxml::debug("Locking a key");
                    671: 	    if (&lock_key($queue,$gradingkey)) {
                    672: 		&Apache::lonxml::debug("Success $queue");
                    673: 		return ($gradingkey);
                    674: 	    }
                    675: 	    &Apache::lonxml::debug("Failed $queue");
                    676: 	    return (undef,'lock_failed');
1.32      albertel  677: 	}
                    678:     }
1.33      albertel  679: 
                    680:     if ($env{'form.queuemode'} ne 'selected') {
                    681: 	# don't get something new from the queue if they hit the stop button
                    682:     	if (!($env{'form.stop'} && $target eq 'webgrade') 
                    683: 	    && !$env{'form.gradingaction'}) {
                    684: 	    &Apache::lonxml::debug("Getting anew $queue");
                    685: 	    return (&get_from_queue($queue));
                    686: 	} else {
                    687: 	    return (undef,'stop');
                    688: 	}
1.32      albertel  689:     }
1.33      albertel  690:     return (undef,undef)
1.32      albertel  691: }
1.94    ! albertel  692: 
        !           693: sub minimize_storage {
        !           694:     foreach my $key (keys(%Apache::lonhomework::results)) {
        !           695: 	if ($key =~ /regrader$/) { next; }
        !           696: 	if ($Apache::lonhomework::results{$key} eq
        !           697: 	    $Apache::lonhomework::history{$key}) {
        !           698: 	    delete($Apache::lonhomework::results{$key});
        !           699: 	}
        !           700:     }
        !           701: }
        !           702: 
1.1       albertel  703: sub end_Task {
                    704:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    705:     my $result='';
                    706:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  707:     my ($version,$previous)=&get_version();
1.1       albertel  708:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  709: 	$target eq 'tex') {
1.69      albertel  710: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  711: 	    if ($target eq 'web') {
1.54      albertel  712: 		if (&show_task($status,$previous)) {
                    713: 		    $result.=&Apache::lonxml::endredirection();
                    714: 		}
1.64      albertel  715: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    716: 		    !$env{'form.donescreen'}) {
1.15      albertel  717: 		    $result.="\n".'<table border="1">'.
1.28      albertel  718: 			&Apache::inputtags::file_selector("$version.0",
                    719: 							  "bridgetask","*",
1.46      albertel  720: 							  'portfolioonly',
                    721: 							  '
                    722: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    723: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  724: 							  "</table>";
1.77      albertel  725: 		}
1.78      albertel  726: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    727: 		    &show_task($status,$previous)) {
1.9       albertel  728: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  729: 		    $result.='</form>';
                    730: 		    $result.=<<DONEBUTTON;
                    731: <form method="POST">
                    732:    <input type="hidden" name="donescreen" value="1" />
                    733:    <input type="submit" value="Done" />
                    734: </form>
                    735: DONEBUTTON
1.77      albertel  736:                 }
1.56      albertel  737: 		if (&show_task($status,$previous) &&
1.89      albertel  738: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    739: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  740: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  741: 
                    742: 		    my $slot_name=
1.89      albertel  743: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.80      albertel  744: 		    my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  745: 		    my $start_time=
                    746: 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
1.54      albertel  747: 
1.80      albertel  748: 		    my $status = "\n<div class='$bt_status'>\n";
1.54      albertel  749: 		    
                    750: 		    if ($bt_status eq 'pass')  {
                    751: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  752: 			    $start_time.'</h2>';
1.54      albertel  753: 		    }
                    754: 		    if ($bt_status eq 'fail')  {
                    755: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  756: 			    $start_time.'</h2>';
1.54      albertel  757: 			if (!$previous) {
                    758: 			    $status.=&add_request_another_attempt_button();
                    759: 			}
                    760: 		    }
                    761: 		    my $man_count=0;
                    762: 		    my $opt_count=0;
                    763: 		    my $opt_passed=0;
                    764: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    765: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    766: 			    eq 'N') {
                    767: 			    $opt_count++;
1.89      albertel  768: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  769: 				$opt_passed++;
                    770: 			    }
                    771: 			} else {
                    772: 			    $man_count++;
                    773: 			}
                    774: 		    }
                    775: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    776: 							 $parstack,$safeeval);
                    777: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.92      albertel  778: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you were required to pass [_4] on the bridge task.',$man_count,$opt_passed,$opt_count,$opt_req)."</p></div>\n";
1.54      albertel  779: 
                    780: 		    my $internal_location=&internal_location();
                    781: 		    $result=~s/\Q$internal_location\E/$status/;
                    782: 		}
1.13      albertel  783: 	    } 
                    784: 	    if ($target eq 'web' || $target eq 'webgrade') {
1.1       albertel  785: 		$result.=&Apache::lonxml::xmlend().'</html>';
                    786: 	    }
                    787: 	}
1.29      albertel  788: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  789: 	    my $award='SUBMITTED';
1.28      albertel  790: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  791: 						    'portfiles',\$award);
1.14      albertel  792: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  793: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    794: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    795: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    796: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    797: 
                    798: 		$Apache::lonhomework::results{"resource.0.award"}=
                    799: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    800: 		    $award;
1.51      albertel  801: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    802: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  803: 	    } else {
                    804: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  805: 		$award = '';
1.10      albertel  806: 	    }
1.4       albertel  807: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    808: 	    &Apache::structuretags::finalize_storage();
1.83      albertel  809: 	    if ($award eq 'SUBMITTED'
                    810: 		&& defined($Apache::inputtags::slot_name)) {
1.82      albertel  811: 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
1.14      albertel  812: 	    }
1.79      albertel  813: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    814: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  815: 	}
1.32      albertel  816: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  817: 	    my $optional_required=
                    818: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    819: 					   $safeeval);
                    820: 	    my $optional_passed=0;
                    821: 	    my $mandatory_failed=0;
                    822: 	    my $ungraded=0;
                    823: 	    my $review=0;   
1.21      albertel  824: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  825: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    826: 		my $status=
1.89      albertel  827: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  828: 		my $mandatory=
                    829: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    830: 		if ($status eq 'pass') {
                    831: 		    if (!$mandatory) { $optional_passed++; }
                    832: 		} elsif ($status eq 'fail') {
                    833: 		    if ($mandatory) { $mandatory_failed++; }
                    834: 		} elsif ($status eq 'ungraded') {
                    835: 		    $ungraded++;
                    836: 		} elsif ($status eq 'review') {
                    837: 		    $review++;
1.49      albertel  838: 		} else {
                    839: 		    $ungraded++;
                    840: 		}
1.20      albertel  841: 	    }
                    842: 	    if ($optional_passed < $optional_required) {
                    843: 		$mandatory_failed++;
                    844: 	    }
1.21      albertel  845: 	    &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.89      albertel  846: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.20      albertel  847: 		$env{'user.name'}.'@'.$env{'user.domain'};
                    848: 	    if ($review) {
1.89      albertel  849: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  850: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    851: 		    &check_queue_unlock($env{'form.queue'});
                    852: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    853: 		} else {
1.49      albertel  854: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  855: 		}
1.20      albertel  856: 	    } elsif ($ungraded) {
1.89      albertel  857: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  858: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    859: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  860: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  861: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  862: 		} else {
                    863: 		    &check_queue_unlock($env{'form.queue'});
                    864: 		}
1.20      albertel  865: 	    } elsif ($mandatory_failed) {
1.89      albertel  866: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  867: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    868: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    869: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  870: 		&remove_from_queue($env{'form.queue'}); 
                    871: 
                    872: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  873: 		
                    874: 		if ($env{'form.regrade'} ne 'yes') {
                    875: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    876: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    877: 		    &Apache::grades::version_portfiles(
                    878: 						       \%Apache::lonhomework::results,
                    879: 						       ["$version.0.bridgetask"],$courseid,
                    880: 						       $symb,$udom,$uname,
                    881: 						       ["$version.0.bridgetask"]);
                    882: 		}
1.20      albertel  883: 	    } else {
1.89      albertel  884: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  885: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                    886: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                    887: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel  888: 		&remove_from_queue($env{'form.queue'});
1.39      albertel  889: 
                    890: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  891: 		if ($env{'form.regrade'} ne 'yes') {
                    892: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    893: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    894: 		    &Apache::grades::version_portfiles(
                    895: 						       \%Apache::lonhomework::results,
                    896: 						       ["$version.0.bridgetask"],$courseid,
                    897: 						       $symb,$udom,$uname,
                    898: 						       ["$version.0.bridgetask"]);
                    899: 		}
1.20      albertel  900: 	    }
1.89      albertel  901: 	    $Apache::lonhomework::results{"resource.0.status"}=
                    902: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel  903: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel  904: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel  905: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel  906: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel  907: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel  908: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel  909: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel  910: 	    }
1.94    ! albertel  911: 	    &minimize_storage();
1.21      albertel  912: 	    &Apache::structuretags::finalize_storage();
1.20      albertel  913: 	}
1.15      albertel  914:     } elsif ($target eq 'webgrade') {
1.18      albertel  915: 	$result.="</table>\n<hr />";
1.20      albertel  916: 	#$result.='<input type="submit" name="next" value="'.
                    917: 	#    &mt('Save &amp; Next').'" /> ';
                    918: 	#$result.='<input type="submit" name="end" value="'.
                    919: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                    920: 	#$result.='<input type="submit" name="throwaway" value="'.
                    921: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                    922: 	#$result.='<input type="submit" name="save" value="'.
                    923: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.15      albertel  924: 	$result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
1.1       albertel  925:     } elsif ($target eq 'meta') {
1.70      albertel  926: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel  927:         $result.=&Apache::response::meta_stores_write('solved','string',
                    928: 						      'Problem Status');
                    929: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                    930: 						      'Number of Attempts');
                    931: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                    932: 						      'Partial Credit Factor');
                    933: 	$result.=&Apache::response::meta_stores_write('status','string',
                    934: 						      'Bridge Task Status');
1.1       albertel  935:     }
1.4       albertel  936:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel  937:     return $result;
                    938: }
                    939: 
1.31      albertel  940: sub move_between_queues {
                    941:     my ($src_queue,$dest_queue)=@_;
1.49      albertel  942:     my $cur_data;
                    943:     if ($src_queue ne 'none') {
                    944: 	$cur_data=&get_queue_data($src_queue);
                    945: 	if (!$cur_data) { return 'not_exist'; }
                    946:     } else {
                    947: 	$cur_data = ['none'];
                    948:     }
1.82      albertel  949:     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
1.31      albertel  950:     if ($result ne 'ok') {
                    951: 	return $result;
                    952:     }
                    953:     &check_queue_unlock($src_queue);
                    954:     return &remove_from_queue($src_queue);
1.21      albertel  955: }
                    956: 
                    957: sub check_queue_unlock {
1.32      albertel  958:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel  959:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel  960:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel  961:     if (!defined($key)) {
                    962: 	$key="$symb\0queue\0$uname\@$udom";
                    963:     }
1.30      albertel  964:     my $cnum=$env{'course.'.$cid.'.num'};
                    965:     my $cdom=$env{'course.'.$cid.'.domain'};
                    966:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    967:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                    968:     if  ($who eq $me) {
1.32      albertel  969: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                    970:     } elsif ($allow_not_me) {
1.33      albertel  971: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel  972: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel  973:     }
1.32      albertel  974:     return 'not_owner';
1.21      albertel  975: }
                    976: 
1.88      albertel  977: sub in_queue {
                    978:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                    979:     if ($queue eq 'none') { return 0; }
                    980:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                    981: 	|| !defined($udom) || !defined($uname)) {
                    982: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                    983: 	$cnum=$env{'course.'.$cid.'.num'};
                    984: 	$cdom=$env{'course.'.$cid.'.domain'};
                    985:     }
                    986: 
                    987:     my $key=&encode_queue_key($symb,$udom,$uname);
                    988:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                    989: 
                    990:     if (defined($results{$key})) {
                    991: 	return 1;
                    992:     }
                    993:     return 0;
                    994: }
                    995: 
1.21      albertel  996: sub remove_from_queue {
1.86      albertel  997:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel  998:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel  999:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1000: 	|| !defined($udom) || !defined($uname)) {
                   1001: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1002: 	$cnum=$env{'course.'.$cid.'.num'};
                   1003: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1004:     }
1.88      albertel 1005:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1006: 	return 'ok';
                   1007:     }
1.86      albertel 1008:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1009:     my @keys=($key,"$key\0locked");
1.31      albertel 1010:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1011: }
                   1012: 
1.16      albertel 1013: sub setup_env_for_other_user {
                   1014:     my ($queue_key,$safeeval)=@_;
                   1015:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1016:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1017:     $env{'form.grade_symb'}=$symb;
                   1018:     $env{'form.grade_domain'}=$udom;
                   1019:     $env{'form.grade_username'}=$uname;
                   1020:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1021:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1022: }
                   1023: 
1.31      albertel 1024: sub get_queue_data {
                   1025:     my ($queue)=@_;
                   1026:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1027:     my $cnum=$env{'course.'.$cid.'.num'};
                   1028:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1029:     my $todo="$symb\0queue\0$uname\@$udom";
                   1030:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1031:     if ($key eq $todo && ref($value)) {
                   1032: 	return $value;
                   1033:     }
                   1034:     return undef;
                   1035: }
                   1036: 
1.84      albertel 1037: 
1.49      albertel 1038: sub check_queue_for_key {
1.84      albertel 1039:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1040: 
1.49      albertel 1041:     my %results=
                   1042: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1043:     
                   1044:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1045: 	if (defined($results{"$todo\0locked"})) {
                   1046: 	    return 'locked';
                   1047: 	}
1.86      albertel 1048: 	my $slot;
                   1049: 	if (ref($results{$todo}) eq 'ARRAY')  {
                   1050: 	    $slot = $results{$todo}[0];
                   1051: 	} elsif (ref($results{$todo}) eq 'HASH')  {
                   1052: 	    $slot = $results{$todo}{'slot'};
                   1053: 	}
                   1054: 	if (defined($slot)) {
                   1055: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1056: 	    if ($slot_data{'endtime'} > time) { 
                   1057: 		return 'in_progress';
                   1058: 	    }
1.58      albertel 1059: 	}
1.49      albertel 1060: 	return 'enqueued';
                   1061:     }
                   1062:     return undef;
                   1063: }
                   1064: 
1.14      albertel 1065: sub add_to_queue {
1.82      albertel 1066:     my ($queue,$user_data)=@_;
1.49      albertel 1067:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1068:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1069:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1070: 	return 'no_queue';
                   1071:     }
1.14      albertel 1072:     my $cnum=$env{'course.'.$cid.'.num'};
                   1073:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1074:     my %data;
1.82      albertel 1075:     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
1.83      albertel 1076:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1077: }
                   1078: 
                   1079: sub show_queue {
1.32      albertel 1080:     my ($queue,$with_selects)=@_;
1.14      albertel 1081:     my $result;
                   1082:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1083:     my $cnum=$env{'course.'.$cid.'.num'};
                   1084:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1085: 
                   1086:     my @chosen_sections=
                   1087: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1088:     &Apache::grades::init_perm();
                   1089:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1090:     &Apache::grades::reset_perm();
1.63      albertel 1091:     if (!(grep(/^all$/,@chosen_sections))) {
                   1092: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1093: 	    '</tt>.</p> '."\n";
                   1094:     }
1.59      albertel 1095: 
1.16      albertel 1096:     my $regexp="^$symb\0";
1.30      albertel 1097:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1098:     my ($tmp)=%queue;
                   1099:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1100: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1101:     }
1.86      albertel 1102:     $result.="\n<h3>Current Queue - $symb $queue </h3><table border='1'><tr>";
1.32      albertel 1103:     if ($with_selects) { $result.="<th></th>"; }
                   1104:     $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
1.14      albertel 1105:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1106: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1107: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1108: 	if ($key=~/locked$/ && !$with_selects) {
1.16      albertel 1109: 	    my $title=&Apache::lonnet::gettitle($symb);
1.27      albertel 1110: 	    $result.="<tr><td>$title</td><td>$uname</td>";
1.16      albertel 1111: 	    $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1112: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.16      albertel 1113: 	    my ($symb,undef) = split("\0",$key);
                   1114: 	    my $title=&Apache::lonnet::gettitle($symb);
1.27      albertel 1115: 	    $result.="<tr><td>$title</td><td></td>";
1.16      albertel 1116: 	    $result.='<td>last queue modification time</td><td>'.
                   1117: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1118: 	} elsif ($key!~/(timestamp|locked)$/) {
1.16      albertel 1119: 	    my $title=&Apache::lonnet::gettitle($symb);
1.32      albertel 1120: 	    $result.="<tr>";
1.35      albertel 1121: 	    my $slot=$queue{$key}->[0];
                   1122: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
1.32      albertel 1123: 	    if ($with_selects) {
                   1124: 		my $ekey=&Apache::lonnet::escape($key);
                   1125: 		my ($action,$description)=('select',&mt('Select'));
                   1126: 		if (exists($queue{"$key\0locked"})) {
                   1127: 		    my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1128: 		    if ($me eq $queue{"$key\0locked"}) {
                   1129: 			($action,$description)=('resume',&mt('Resume'));
                   1130: 		    } else {
                   1131: 			($action,$description)=('unlock',&mt('Unlock'));
                   1132: 		    }
                   1133: 		}
1.62      albertel 1134: 		my $seclist;
                   1135: 		foreach my $sec (@chosen_sections) {
                   1136: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1137:                                value="'.$sec.'" />';
                   1138: 		}
1.35      albertel 1139: 		if (time > $slot_data{'endtime'}) {
                   1140: 		    $result.=(<<FORM);
1.32      albertel 1141: <td>
                   1142: <form method="POST">
                   1143:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1144:  <input type="hidden" name="queue" value="$queue" />
                   1145:  <input type="hidden" name="gradingaction" value="$action" />
                   1146:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1147:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1148:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1149:  $seclist
1.32      albertel 1150: </form>
                   1151: </td>
                   1152: FORM
1.35      albertel 1153: 
                   1154:                 } else {
                   1155: 		    $result.='<td>'.&mt("In Progress").'</td>'
                   1156: 		}
1.32      albertel 1157: 	    }
                   1158: 	    $result.="<td>$title</td><td>$uname</td>";
1.27      albertel 1159: 	    $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.
1.20      albertel 1160: 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
                   1161: 		"</td></tr>";
1.16      albertel 1162: 	}
1.14      albertel 1163:     }
1.15      albertel 1164:     $result.="</table><hr />\n";
1.14      albertel 1165:     return $result;
                   1166: }
                   1167: 
1.34      albertel 1168: sub get_queue_counts {
                   1169:     my ($queue)=@_;
                   1170:     my $result;
                   1171:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1172:     my $cnum=$env{'course.'.$cid.'.num'};
                   1173:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1174:     my $regexp="^$symb\0";
                   1175:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1176:     my ($tmp)=%queue;
                   1177:     if ($tmp=~/^error: 2 /) {
                   1178: 	return (0,0,0);
                   1179:     }
                   1180:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
                   1181:     foreach my $key (sort(keys(%queue))) {
                   1182: 	if ($key=~/locked$/) {
                   1183: 	    $locks++;
                   1184: 	} elsif ($key=~/timestamp$/) {
                   1185: 	    #ignore
                   1186: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1187: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1188: 	    $entries++;
                   1189: 	    my $slot=$queue{$key}->[0];
                   1190: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1191: 	    if (time > $slot_data{'endtime'}) {
                   1192: 		$ready_to_grade++;
                   1193: 	    }
                   1194: 	}
                   1195:     }
                   1196:     return ($entries,$ready_to_grade,$locks);
                   1197: }
                   1198: 
1.49      albertel 1199: sub encode_queue_key {
                   1200:     my ($symb,$udom,$uname)=@_;
                   1201:     return "$symb\0queue\0$uname\@$udom";
                   1202: }
                   1203: 
1.14      albertel 1204: sub decode_queue_key {
                   1205:     my ($key)=@_;
                   1206:     my ($symb,undef,$user) = split("\0",$key);
                   1207:     my ($uname,$udom) = split('@',$user);
                   1208:     return ($symb,$uname,$udom);
                   1209: }
                   1210: 
                   1211: sub queue_key_locked {
1.30      albertel 1212:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1213:     if (!defined($cdom) || !defined($cnum)) {
                   1214: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1215: 	$cnum=$env{'course.'.$cid.'.num'};
                   1216: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1217:     }
1.14      albertel 1218:     my ($key_locked,$value)=
1.30      albertel 1219: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1220:     if ($key_locked eq "$key\0locked") {
                   1221: 	return $value;
                   1222:     }
                   1223:     return undef;
                   1224: }
                   1225: 
                   1226: sub pick_from_queue_data {
1.30      albertel 1227:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
                   1228:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1229: 	if ($key =~ /\0locked$/) { next; }
                   1230: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1231: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1232: 	if ($check_section) {
                   1233: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1234: 	    if ($section eq $check_section) {
1.33      albertel 1235: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1236: 		next;
                   1237: 	    }
1.14      albertel 1238: 	}
1.30      albertel 1239: 	my $slot=$queuedata->{$key}[0];
1.14      albertel 1240: 	my %slot_data=&Apache::lonnet::get_slot($slot);
1.15      albertel 1241: 	if ($slot_data{'endtime'} > time) { 
1.33      albertel 1242: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1243: 	    next;
                   1244: 	}
1.30      albertel 1245: 	if (&queue_key_locked($queue,$key,$cdom,$cnum)) {
1.33      albertel 1246: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1247: 	    next;
                   1248: 	}
1.14      albertel 1249: 	return $key;
                   1250:     }
                   1251:     return undef;
                   1252: }
                   1253: 
1.15      albertel 1254: sub find_mid_grade {
1.30      albertel 1255:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1256:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.15      albertel 1257:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1258:     if ($todo) {
1.30      albertel 1259: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1260: 	if ($who eq $me) { return $todo; }
                   1261:     }
                   1262:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1263:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1264:     foreach my $key (keys(%locks)) {
                   1265: 	my $who=$locks{$key};
                   1266: 	if ($who eq $me) {
                   1267: 	    $todo=$key;
                   1268: 	    $todo=~s/\0locked$//;
                   1269: 	    return $todo;
                   1270: 	}
                   1271:     }
                   1272:     return undef;
                   1273: }
                   1274: 
1.32      albertel 1275: sub lock_key {
                   1276:     my ($queue,$todo)=@_;
                   1277:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1278:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1279:     my $cnum=$env{'course.'.$cid.'.num'};
                   1280:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1281:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1282: 					$cdom,$cnum);
1.33      albertel 1283:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1284:     if ($success eq 'ok') {
                   1285: 	return 1;
                   1286:     }
                   1287:     return 0;
                   1288: }
                   1289: 
1.86      albertel 1290: sub get_queue_symb_status {
1.85      albertel 1291:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1292:     if (!defined($cdom) || !defined($cnum)) {
                   1293: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1294: 	$cnum=$env{'course.'.$cid.'.num'};
                   1295: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1296:     }
                   1297:     my $regexp="^$symb\0";
                   1298:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1299:     my ($tmp)=%queue;
                   1300:     if ($tmp=~/^error: 2 /) { return; }
                   1301:     my @users;
                   1302:     foreach my $key (sort(keys(%queue))) {
                   1303: 	next if ($key=~/locked$/);
                   1304: 	next if ($key=~/timestamp$/);
                   1305: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1306: 	push(@users,"$uname:$udom");
                   1307:     }
                   1308:     return @users;
                   1309: }
                   1310: 
1.14      albertel 1311: sub get_from_queue {
1.30      albertel 1312:     my ($queue)=@_;
1.14      albertel 1313:     my $result;
                   1314:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1315:     my $cnum=$env{'course.'.$cid.'.num'};
                   1316:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1317:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1318:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1319:     if ($todo) { return $todo; }
1.14      albertel 1320:     while (1) {
                   1321: 	my $starttime=time;
1.83      albertel 1322: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1323: 			      $cdom,$cnum);
1.33      albertel 1324: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1325: 	my $regexp="^$symb\0queue\0";
1.30      albertel 1326: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1327: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1328: 	if ($env{'request.course.sec'}) {
1.33      albertel 1329: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1330: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1331: 					\%queue,$cdom,$cnum);
1.33      albertel 1332: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1333: 	}
1.33      albertel 1334: 	# no one _not_ in our section so look for any user that is
                   1335: 	# ready for grading
1.14      albertel 1336: 	if (!$todo) {
1.33      albertel 1337: 	    &Apache::lonxml::debug("no sce");
1.31      albertel 1338: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1339: 					\%queue,$cdom,$cnum);
1.33      albertel 1340: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1341: 	}
                   1342: 	# no user to grade 
                   1343: 	if (!$todo) { last; }
1.33      albertel 1344: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1345: 	# otherwise found someone so lets try to lock them
1.32      albertel 1346: 	# unless someone else already picked them
                   1347: 	if (!&lock_key($queue,$todo)) { next; }
1.14      albertel 1348: 	my (undef,$endtime)=
1.30      albertel 1349: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1350: 				 $cdom,$cnum);
1.33      albertel 1351: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1352: 	# someone else already modified the queue, 
                   1353: 	# perhaps our picked user wass already fully graded between
                   1354: 	# when we picked him and when we locked his record? so lets
                   1355: 	# double check.
                   1356: 	if ($endtime != $starttime) {
                   1357: 	    my ($key,$value)=
1.30      albertel 1358: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1359: 				     $cdom,$cnum);
1.33      albertel 1360: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1361: 	    if ($key eq $todo && ref($value)) {
                   1362: 	    } else {
1.30      albertel 1363: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1364: 				     $cdom,$cnum);
1.33      albertel 1365: 		&Apache::lonxml::debug("del");
1.14      albertel 1366: 		next;
                   1367: 	    }
                   1368: 	}
1.33      albertel 1369: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1370: 	last;
                   1371:     }
                   1372:     return $todo;
                   1373: }
                   1374: 
1.49      albertel 1375: sub select_user {
                   1376:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1377: 
1.59      albertel 1378:     my @chosen_sections=
                   1379: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1380:     &Apache::grades::init_perm();
1.59      albertel 1381:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1382:     &Apache::grades::reset_perm();
1.63      albertel 1383:     
                   1384:     my $result;
                   1385:     if (!(grep(/^all$/,@chosen_sections))) {
                   1386: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1387: 	    '</tt>.</p> '."\n";
                   1388:     }
                   1389:     $result.='<table border="1">';
1.49      albertel 1390: 
                   1391:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1392: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1393: 	
1.84      albertel 1394: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1395: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1396: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1397: 					 'Task');
1.49      albertel 1398: 	my $queue = 'none';
1.58      albertel 1399: 	my $cannot_grade;
                   1400: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1401: 	    $queue = 'reviewqueue';
1.58      albertel 1402: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1403: 		$cannot_grade=1;
                   1404: 	    }
                   1405: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1406: 	    $queue = 'gradingqueue';
1.58      albertel 1407: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1408: 		$cannot_grade=1;
                   1409: 	    }
1.49      albertel 1410: 	}
                   1411: 	my $todo = 
                   1412: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1413: 	if ($cannot_grade) {
                   1414: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1415: 		'</td><td>';
                   1416: 	} else {
1.62      albertel 1417: 	    my $seclist;
                   1418: 	    foreach my $sec (@chosen_sections) {
                   1419: 		$seclist.='<input type="hidden" name="chosensections" 
                   1420:                                value="'.$sec.'" />';
                   1421: 	    }
1.58      albertel 1422: 	    $result.=<<RESULT;
1.49      albertel 1423: <tr>
                   1424:   <td>
                   1425:     <form method="POST">
                   1426:       <input type="hidden" name="gradingkey" value="$todo" />
                   1427:       <input type="hidden" name="queue" value="$queue" />
                   1428:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1429:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1430:       <input type="submit" name="submit" value="Regrade" />
                   1431:       $seclist
1.49      albertel 1432:     </form>
                   1433:   <td>$fullname->{$student}</td>
                   1434:   <td>
                   1435: RESULT
1.58      albertel 1436:         }
1.49      albertel 1437:         if ($status{'status'} eq 'pass') {
                   1438: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1439: 	} elsif ($status{'status'} eq 'fail') {
                   1440: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1441: 	} elsif ($status{'status'} eq 'review') {
                   1442: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1443: 	} elsif ($status{'status'} eq 'ungraded') {
                   1444: 	    $result .= &mt('Ungraded');
                   1445: 	} elsif ($status{'status'} ne '') {
                   1446: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1447: 	} else {
                   1448: 	    $result.="&nbsp;";
                   1449: 	}
                   1450: 	if ($status{'version'}) {
                   1451: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1452: 	}
                   1453: 	$result.= '</td><td>';
                   1454: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1455: 	    $result .= &mt('Awaiting Review');
                   1456: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1457: 	    $result .= &mt('Under Review');
1.58      albertel 1458: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1459: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1460: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1461: 	    $result .= &mt('Awaiting Grading');
                   1462: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1463: 	    $result .= &mt('Being Graded');
1.58      albertel 1464: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1465: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1466: 	} else {
                   1467: 	    $result.="&nbsp;";
                   1468: 	}
                   1469: 	$result.= '</td></tr>';
                   1470:     }
                   1471:     $result.='</table>';
                   1472:     return $result;
                   1473: }
                   1474: 
                   1475: sub get_student_status {
1.86      albertel 1476:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1477: 
                   1478:     my %status;
                   1479: 
                   1480:     if ($type eq 'Task') {
                   1481: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1482: 					  $udom,$uname);
1.89      albertel 1483: 	$status{'status'}=$record{'resource.0.status'};
                   1484: 	$status{'version'}=$record{'resource.0.version'};
                   1485: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1486:     }
                   1487:     $status{'reviewqueue'}=
                   1488: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1489: 			     &encode_queue_key($symb,$udom,$uname));
                   1490:     $status{'gradingqueue'}=
                   1491: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1492: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1493:     return %status;
                   1494: }
                   1495: 
1.1       albertel 1496: sub start_ClosingParagraph {
                   1497:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1498:     my $result;
                   1499:     if ($target eq 'web') {
1.13      albertel 1500:     } elsif ($target eq 'webgrade') {
                   1501: 	&Apache::lonxml::startredirection();
1.1       albertel 1502:     }
                   1503:     return $result;
                   1504: }
                   1505: 
                   1506: sub end_ClosingParagraph {
                   1507:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1508:     my $result;
                   1509:     if ($target eq 'web') {
1.13      albertel 1510:     } elsif ($target eq 'webgrade') {
                   1511: 	&Apache::lonxml::endredirection();
1.1       albertel 1512:     }
                   1513:     return $result;
                   1514: }
                   1515: 
1.19      albertel 1516: sub get_id {
                   1517:     my ($parstack,$safeeval)=@_;
                   1518:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1519:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1520:     return $id;
                   1521: }
                   1522: 
1.1       albertel 1523: my %dimension;
                   1524: sub start_Dimension {
                   1525:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1526:     undef(%dimension);
1.19      albertel 1527:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1528:     $Apache::bridgetask::dimension=$dim_id;
                   1529:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1530:     undef(@Apache::bridgetask::instance);
1.20      albertel 1531:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1532: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1533:     &Apache::lonxml::startredirection();
                   1534:     return &internal_location($dim_id);
1.1       albertel 1535: }
                   1536: 
1.13      albertel 1537: sub get_instance {
1.75      albertel 1538:     my ($dim)=@_;
                   1539:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1540:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1541: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1542: 	$rand_alg eq '64bit4' ) {
                   1543: 	&Apache::response::pushrandomnumber();
                   1544: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1545: 	my $num=@order;
                   1546: 	my $version=&get_version();
                   1547: 	my $which=($version-1)%$num;
                   1548: 	return $order[$which];
                   1549:     } else {
                   1550: 	my ($version,$previous) = &get_version();
                   1551: 	my $instance = 
                   1552: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1553: 	if (defined($instance)) { return $instance; }
                   1554: 
                   1555: 	&Apache::response::pushrandomnumber();
                   1556: 	my @instances = @{$dimension{'instances'}};
                   1557: 	# remove disabled instances
                   1558: 	for (my $i=0; $i < $#instances; $i++) {
                   1559: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1560: 		splice(@instances,$i,1);
                   1561: 		$i--;
                   1562: 	    }
                   1563: 	}
                   1564: 	@instances = &Math::Random::random_permutation(@instances);
                   1565: 	$instance  = $instances[($version-1)%scalar(@instances)];
                   1566: 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1567: 	    $instance;
1.79      albertel 1568: 	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 1569: 	&Apache::response::poprandomnumber();
                   1570: 	return $instance;
                   1571:     }
1.13      albertel 1572: }
                   1573: 
1.18      albertel 1574: {
                   1575:     my $last_link;
                   1576:     sub end_Dimension {
                   1577: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1578: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1579: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1580: 	my $instance=&get_instance($dim);
1.25      albertel 1581: 	my $version=&get_version();
1.18      albertel 1582: 	if ($target eq 'web') {
1.47      albertel 1583: 	    @Apache::scripttag::parser_env = @_;
                   1584: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1585: 	    my @instances = $instance;
                   1586: 	    if (&Apache::response::showallfoils()) {
                   1587: 		@instances = @{$dimension{'instances'}};
                   1588: 	    }
                   1589: 	    foreach my $instance (@instances) {
                   1590: 		@Apache::scripttag::parser_env = @_;
                   1591: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89      albertel 1592: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1593: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1594: 
1.89      albertel 1595: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1596: 		    my $mandatory='Mandatory';
                   1597: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1598: 			$mandatory='Optional';
                   1599: 		    }
                   1600: 		    my $dim_info="<div class='$dim_status'>\n";
                   1601: 		    if ($dim_status eq 'pass') {
                   1602: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1603: 		    }
1.76      albertel 1604: 		    if ($dim_status eq 'fail') {
                   1605: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1606: 		    }
1.76      albertel 1607: 		    my $man_count=0;
                   1608: 		    my $man_passed=0;
                   1609: 		    my $opt_count=0;
                   1610: 		    my $opt_passed=0;
                   1611: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1612: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1613: 			    eq 'N') {
                   1614: 			    $opt_count++;
1.89      albertel 1615: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1616: 				$opt_passed++;
                   1617: 			    }
                   1618: 			} else {
                   1619: 			    $man_count++;
1.89      albertel 1620: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1621: 				$man_passed++;
                   1622: 			    }
                   1623: 			}
1.22      albertel 1624: 		    }
1.76      albertel 1625: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1626: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1627: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1628: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1629: 
                   1630: 		    my $internal_location=&internal_location($dim);
                   1631: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1632: 
                   1633: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1634: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
                   1635: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1636: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1637: 			if ($mandatory) {
                   1638: 			    $mandatory='Mandatory';
                   1639: 			} else {
                   1640: 			    $mandatory='Optional';
                   1641: 			}
                   1642: 			if ($status eq 'fail') {
                   1643: 			} elsif ($status eq 'pass') {
                   1644: 			} else {
                   1645: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1646: 			}
                   1647: 			my $status_display=$status;
                   1648: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1649: 			@Apache::scripttag::parser_env = @_;
                   1650: 			$result.='<div class="'.$status.'"><h4>'.$mandatory.
                   1651: 			    ' Criteria</h4><p>';
                   1652: 			@Apache::scripttag::parser_env = @_;
                   1653: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
                   1654: 			$result.='</p><p class="grade">'.$status_display.'</p>';
1.89      albertel 1655: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
                   1656: 			    $result.='<p class="comment">'.$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}.'</p>';
1.76      albertel 1657: 			}
                   1658: 			$result.='</div>';
1.22      albertel 1659: 		    }
                   1660: 		}
                   1661: 	    }
1.18      albertel 1662: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1663: 	    # in case of any side effects that we need
                   1664: 	    @Apache::scripttag::parser_env = @_;
                   1665: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1666: 	    @Apache::scripttag::parser_env = @_;
                   1667: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1668: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1669: 		my $link='criteria_'.$instance.'_'.$id;
1.89      albertel 1670: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.19      albertel 1671: 		$result.='<tr><td width="100%" valign="top">'.
1.18      albertel 1672: 		    '<a name="'.$link.'" />'.
                   1673: 		    '<a name="next_'.$last_link.'" />'.
1.47      albertel 1674: 		    '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';
                   1675: 		@Apache::scripttag::parser_env = @_;
                   1676: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
                   1677: 		$result.='</textarea>'.
1.18      albertel 1678: 		    #$dimension{$instance.'.criteria.'.$id}.
                   1679: 		    '</td>'.
1.19      albertel 1680: 		    '<td><nobr>Additional Comment for Student</nobr> <br />'.
1.89      albertel 1681: 		    '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'.
1.18      albertel 1682: 		    '</td>'.
                   1683: 		    '<td>'.
1.47      albertel 1684: 		    '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.
1.30      albertel 1685: 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
                   1686: 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
                   1687: 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
1.18      albertel 1688: 		    '</td>'.
                   1689: 		    '<td>'.
                   1690: 		    '<a href="#'.$last_link.'">Prev</a><br />'.
1.20      albertel 1691: 		    '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
1.18      albertel 1692: 		    '</td></tr>';
                   1693: 		$last_link=$link;
                   1694: 	    }
1.22      albertel 1695: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1696: 	    my $optional_passed=0;
1.20      albertel 1697: 	    my $mandatory_failed=0;
                   1698: 	    my $ungraded=0;
                   1699: 	    my $review=0;
1.19      albertel 1700: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1701: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
                   1702: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
1.20      albertel 1703: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1704: 		if ($status eq 'pass') {
                   1705: 		    if (!$mandatory) { $optional_passed++; }
                   1706: 		} elsif ($status eq 'fail') {
                   1707: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1708: 		} elsif ($status eq 'review') {
                   1709: 		    $review++;
1.20      albertel 1710: 		} elsif ($status eq 'ungraded') {
                   1711: 		    $ungraded++;
1.21      albertel 1712: 		} else {
1.47      albertel 1713: 		    $ungraded++;
1.19      albertel 1714: 		}
                   1715: 	    }
1.20      albertel 1716: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1717: 		$mandatory_failed++;
                   1718: 	    }
1.21      albertel 1719: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1720: 	    if ($review) {
1.89      albertel 1721: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1722: 		    'review';
1.20      albertel 1723: 	    } elsif ($ungraded) {
1.89      albertel 1724: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1725: 		    'ungraded';
1.20      albertel 1726: 	    } elsif ($mandatory_failed) {
1.89      albertel 1727: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1728: 		    'fail';
1.20      albertel 1729: 	    } else {
1.91      albertel 1730: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1731: 		    'pass';
1.20      albertel 1732: 	    }
1.69      albertel 1733: 	} else {
                   1734: 	    # any other targets no output
                   1735: 	    undef($result);
1.13      albertel 1736: 	}
1.18      albertel 1737: 	return $result;
1.1       albertel 1738:     }
                   1739: }
                   1740: 
                   1741: sub start_IntroParagraph {
1.87      albertel 1742:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1743:     my $result;
1.13      albertel 1744:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1745: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1746: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1747: 	
                   1748: 	} elsif ($target eq 'webgrade') {
1.87      albertel 1749: 	    &Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.1       albertel 1750: 	}
1.47      albertel 1751: 	
1.1       albertel 1752:     }
                   1753:     return $result;
                   1754: }
                   1755: 
                   1756: sub end_IntroParagraph {
                   1757: }
                   1758: 
                   1759: sub start_Instance {
                   1760:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1761:     my $id=&get_id($parstack,$safeeval);
                   1762:     push(@{$dimension{'instances'}},$id);
                   1763:     push(@Apache::bridgetask::instance,$id);
                   1764:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1765:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1766: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1767:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1768:     if (lc($disabled) eq 'yes') {
                   1769: 	$dimension{$id.'.disabled'}='1';
                   1770:     }
1.1       albertel 1771:     return '';
                   1772: }
                   1773: 
                   1774: sub end_Instance {
                   1775: }
                   1776: 
                   1777: sub start_InstanceText {
1.87      albertel 1778:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 1779:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1780:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.13      albertel 1781:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1782: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 1783:     }
                   1784:     return '';
                   1785: }
                   1786: 
                   1787: sub end_InstanceText {
                   1788:     return '';
                   1789: }
                   1790: 
                   1791: sub start_Criteria {
1.87      albertel 1792:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 1793:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1794:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 1795:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 1796: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 1797: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 1798: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   1799: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 1800: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   1801:     }
                   1802:     return '';
                   1803: }
                   1804: 
1.47      albertel 1805: sub end_Criteria {
                   1806: }
                   1807: 
1.4       albertel 1808: sub proctor_validation_screen {
                   1809:     my ($slot) = @_;
                   1810:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 1811:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 1812:     my $name=&Apache::loncommon::plainname($user,$domain);
                   1813:     
1.4       albertel 1814:     my $msg;
1.11      albertel 1815:     if ($env{'form.proctorpassword'}) {
1.4       albertel 1816: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   1817: 	    .'</font></p>';
                   1818:     }
1.47      albertel 1819:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 1820:     my $result= (<<ENDCHECKOUT);
                   1821: <h2>Proctor Validation</h2>
                   1822:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   1823:     $msg
1.11      albertel 1824: <form name="checkout" method="POST" action="$env{'request.uri'}">
1.4       albertel 1825: <input type="hidden" name="validate" value="yes" />
                   1826: <input type="hidden" name="submitted" value="yes" />
                   1827: <table>
1.44      albertel 1828:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 1829:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 1830:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 1831: </table>
                   1832: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 1833: <table border="1">
                   1834:   <tr><td>
                   1835:     <table>
                   1836:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   1837:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 1838:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.44      albertel 1839:       <tr><td>Usename</td><td>$user\@$domain</td></tr>
                   1840:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   1841:     </table>
                   1842:   </tr></td>
                   1843: </table>
1.4       albertel 1844: </form>
                   1845: ENDCHECKOUT
                   1846:     return $result;
                   1847: }
                   1848: 
1.1       albertel 1849: 1;
                   1850: __END__

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