Annotation of loncom/homework/bridgetask.pm, revision 1.93

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.93    ! albertel    4: # $Id: bridgetask.pm,v 1.92 2005/12/21 19:07:53 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: }
1.1       albertel  692: sub end_Task {
                    693:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    694:     my $result='';
                    695:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  696:     my ($version,$previous)=&get_version();
1.1       albertel  697:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  698: 	$target eq 'tex') {
1.69      albertel  699: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  700: 	    if ($target eq 'web') {
1.54      albertel  701: 		if (&show_task($status,$previous)) {
                    702: 		    $result.=&Apache::lonxml::endredirection();
                    703: 		}
1.64      albertel  704: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    705: 		    !$env{'form.donescreen'}) {
1.15      albertel  706: 		    $result.="\n".'<table border="1">'.
1.28      albertel  707: 			&Apache::inputtags::file_selector("$version.0",
                    708: 							  "bridgetask","*",
1.46      albertel  709: 							  'portfolioonly',
                    710: 							  '
                    711: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    712: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  713: 							  "</table>";
1.77      albertel  714: 		}
1.78      albertel  715: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    716: 		    &show_task($status,$previous)) {
1.9       albertel  717: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  718: 		    $result.='</form>';
                    719: 		    $result.=<<DONEBUTTON;
                    720: <form method="POST">
                    721:    <input type="hidden" name="donescreen" value="1" />
                    722:    <input type="submit" value="Done" />
                    723: </form>
                    724: DONEBUTTON
1.77      albertel  725:                 }
1.56      albertel  726: 		if (&show_task($status,$previous) &&
1.89      albertel  727: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    728: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  729: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  730: 
                    731: 		    my $slot_name=
1.89      albertel  732: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.80      albertel  733: 		    my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  734: 		    my $start_time=
                    735: 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
1.54      albertel  736: 
1.80      albertel  737: 		    my $status = "\n<div class='$bt_status'>\n";
1.54      albertel  738: 		    
                    739: 		    if ($bt_status eq 'pass')  {
                    740: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  741: 			    $start_time.'</h2>';
1.54      albertel  742: 		    }
                    743: 		    if ($bt_status eq 'fail')  {
                    744: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  745: 			    $start_time.'</h2>';
1.54      albertel  746: 			if (!$previous) {
                    747: 			    $status.=&add_request_another_attempt_button();
                    748: 			}
                    749: 		    }
                    750: 		    my $man_count=0;
                    751: 		    my $opt_count=0;
                    752: 		    my $opt_passed=0;
                    753: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    754: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    755: 			    eq 'N') {
                    756: 			    $opt_count++;
1.89      albertel  757: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  758: 				$opt_passed++;
                    759: 			    }
                    760: 			} else {
                    761: 			    $man_count++;
                    762: 			}
                    763: 		    }
                    764: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    765: 							 $parstack,$safeeval);
                    766: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.92      albertel  767: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you were required to pass [_4] on the bridge task.',$man_count,$opt_passed,$opt_count,$opt_req)."</p></div>\n";
1.54      albertel  768: 
                    769: 		    my $internal_location=&internal_location();
                    770: 		    $result=~s/\Q$internal_location\E/$status/;
                    771: 		}
1.13      albertel  772: 	    } 
                    773: 	    if ($target eq 'web' || $target eq 'webgrade') {
1.1       albertel  774: 		$result.=&Apache::lonxml::xmlend().'</html>';
                    775: 	    }
                    776: 	}
1.29      albertel  777: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  778: 	    my $award='SUBMITTED';
1.28      albertel  779: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  780: 						    'portfiles',\$award);
1.14      albertel  781: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  782: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    783: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    784: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    785: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    786: 
                    787: 		$Apache::lonhomework::results{"resource.0.award"}=
                    788: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    789: 		    $award;
1.51      albertel  790: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    791: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  792: 	    } else {
                    793: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  794: 		$award = '';
1.10      albertel  795: 	    }
1.4       albertel  796: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    797: 	    &Apache::structuretags::finalize_storage();
1.83      albertel  798: 	    if ($award eq 'SUBMITTED'
                    799: 		&& defined($Apache::inputtags::slot_name)) {
1.82      albertel  800: 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
1.14      albertel  801: 	    }
1.79      albertel  802: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    803: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  804: 	}
1.32      albertel  805: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  806: 	    my $optional_required=
                    807: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    808: 					   $safeeval);
                    809: 	    my $optional_passed=0;
                    810: 	    my $mandatory_failed=0;
                    811: 	    my $ungraded=0;
                    812: 	    my $review=0;   
1.21      albertel  813: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  814: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    815: 		my $status=
1.89      albertel  816: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  817: 		my $mandatory=
                    818: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    819: 		if ($status eq 'pass') {
                    820: 		    if (!$mandatory) { $optional_passed++; }
                    821: 		} elsif ($status eq 'fail') {
                    822: 		    if ($mandatory) { $mandatory_failed++; }
                    823: 		} elsif ($status eq 'ungraded') {
                    824: 		    $ungraded++;
                    825: 		} elsif ($status eq 'review') {
                    826: 		    $review++;
1.49      albertel  827: 		} else {
                    828: 		    $ungraded++;
                    829: 		}
1.20      albertel  830: 	    }
                    831: 	    if ($optional_passed < $optional_required) {
                    832: 		$mandatory_failed++;
                    833: 	    }
1.21      albertel  834: 	    &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  835: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.20      albertel  836: 		$env{'user.name'}.'@'.$env{'user.domain'};
                    837: 	    if ($review) {
1.89      albertel  838: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  839: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    840: 		    &check_queue_unlock($env{'form.queue'});
                    841: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    842: 		} else {
1.49      albertel  843: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  844: 		}
1.20      albertel  845: 	    } elsif ($ungraded) {
1.89      albertel  846: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  847: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    848: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  849: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  850: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  851: 		} else {
                    852: 		    &check_queue_unlock($env{'form.queue'});
                    853: 		}
1.20      albertel  854: 	    } elsif ($mandatory_failed) {
1.89      albertel  855: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  856: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    857: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    858: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  859: 		&remove_from_queue($env{'form.queue'}); 
                    860: 
                    861: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  862: 		
                    863: 		if ($env{'form.regrade'} ne 'yes') {
                    864: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    865: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    866: 		    &Apache::grades::version_portfiles(
                    867: 						       \%Apache::lonhomework::results,
                    868: 						       ["$version.0.bridgetask"],$courseid,
                    869: 						       $symb,$udom,$uname,
                    870: 						       ["$version.0.bridgetask"]);
                    871: 		}
1.20      albertel  872: 	    } else {
1.89      albertel  873: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  874: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                    875: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                    876: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel  877: 		&remove_from_queue($env{'form.queue'});
1.39      albertel  878: 
                    879: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  880: 		if ($env{'form.regrade'} ne 'yes') {
                    881: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    882: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    883: 		    &Apache::grades::version_portfiles(
                    884: 						       \%Apache::lonhomework::results,
                    885: 						       ["$version.0.bridgetask"],$courseid,
                    886: 						       $symb,$udom,$uname,
                    887: 						       ["$version.0.bridgetask"]);
                    888: 		}
1.20      albertel  889: 	    }
1.89      albertel  890: 	    $Apache::lonhomework::results{"resource.0.status"}=
                    891: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel  892: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel  893: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel  894: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel  895: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel  896: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel  897: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel  898: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel  899: 	    }
1.21      albertel  900: 	    &Apache::structuretags::finalize_storage();
1.20      albertel  901: 	}
1.15      albertel  902:     } elsif ($target eq 'webgrade') {
1.18      albertel  903: 	$result.="</table>\n<hr />";
1.20      albertel  904: 	#$result.='<input type="submit" name="next" value="'.
                    905: 	#    &mt('Save &amp; Next').'" /> ';
                    906: 	#$result.='<input type="submit" name="end" value="'.
                    907: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                    908: 	#$result.='<input type="submit" name="throwaway" value="'.
                    909: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                    910: 	#$result.='<input type="submit" name="save" value="'.
                    911: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.15      albertel  912: 	$result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
1.1       albertel  913:     } elsif ($target eq 'meta') {
1.70      albertel  914: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel  915:         $result.=&Apache::response::meta_stores_write('solved','string',
                    916: 						      'Problem Status');
                    917: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                    918: 						      'Number of Attempts');
                    919: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                    920: 						      'Partial Credit Factor');
                    921: 	$result.=&Apache::response::meta_stores_write('status','string',
                    922: 						      'Bridge Task Status');
1.1       albertel  923:     }
1.4       albertel  924:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel  925:     return $result;
                    926: }
                    927: 
1.31      albertel  928: sub move_between_queues {
                    929:     my ($src_queue,$dest_queue)=@_;
1.49      albertel  930:     my $cur_data;
                    931:     if ($src_queue ne 'none') {
                    932: 	$cur_data=&get_queue_data($src_queue);
                    933: 	if (!$cur_data) { return 'not_exist'; }
                    934:     } else {
                    935: 	$cur_data = ['none'];
                    936:     }
1.82      albertel  937:     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
1.31      albertel  938:     if ($result ne 'ok') {
                    939: 	return $result;
                    940:     }
                    941:     &check_queue_unlock($src_queue);
                    942:     return &remove_from_queue($src_queue);
1.21      albertel  943: }
                    944: 
                    945: sub check_queue_unlock {
1.32      albertel  946:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel  947:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel  948:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel  949:     if (!defined($key)) {
                    950: 	$key="$symb\0queue\0$uname\@$udom";
                    951:     }
1.30      albertel  952:     my $cnum=$env{'course.'.$cid.'.num'};
                    953:     my $cdom=$env{'course.'.$cid.'.domain'};
                    954:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    955:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                    956:     if  ($who eq $me) {
1.32      albertel  957: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                    958:     } elsif ($allow_not_me) {
1.33      albertel  959: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel  960: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel  961:     }
1.32      albertel  962:     return 'not_owner';
1.21      albertel  963: }
                    964: 
1.88      albertel  965: sub in_queue {
                    966:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                    967:     if ($queue eq 'none') { return 0; }
                    968:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                    969: 	|| !defined($udom) || !defined($uname)) {
                    970: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                    971: 	$cnum=$env{'course.'.$cid.'.num'};
                    972: 	$cdom=$env{'course.'.$cid.'.domain'};
                    973:     }
                    974: 
                    975:     my $key=&encode_queue_key($symb,$udom,$uname);
                    976:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                    977: 
                    978:     if (defined($results{$key})) {
                    979: 	return 1;
                    980:     }
                    981:     return 0;
                    982: }
                    983: 
1.21      albertel  984: sub remove_from_queue {
1.86      albertel  985:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel  986:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel  987:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                    988: 	|| !defined($udom) || !defined($uname)) {
                    989: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                    990: 	$cnum=$env{'course.'.$cid.'.num'};
                    991: 	$cdom=$env{'course.'.$cid.'.domain'};
                    992:     }
1.88      albertel  993:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                    994: 	return 'ok';
                    995:     }
1.86      albertel  996:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel  997:     my @keys=($key,"$key\0locked");
1.31      albertel  998:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel  999: }
                   1000: 
1.16      albertel 1001: sub setup_env_for_other_user {
                   1002:     my ($queue_key,$safeeval)=@_;
                   1003:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1004:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1005:     $env{'form.grade_symb'}=$symb;
                   1006:     $env{'form.grade_domain'}=$udom;
                   1007:     $env{'form.grade_username'}=$uname;
                   1008:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1009:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1010: }
                   1011: 
1.31      albertel 1012: sub get_queue_data {
                   1013:     my ($queue)=@_;
                   1014:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1015:     my $cnum=$env{'course.'.$cid.'.num'};
                   1016:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1017:     my $todo="$symb\0queue\0$uname\@$udom";
                   1018:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1019:     if ($key eq $todo && ref($value)) {
                   1020: 	return $value;
                   1021:     }
                   1022:     return undef;
                   1023: }
                   1024: 
1.84      albertel 1025: 
1.49      albertel 1026: sub check_queue_for_key {
1.84      albertel 1027:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1028: 
1.49      albertel 1029:     my %results=
                   1030: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1031:     
                   1032:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1033: 	if (defined($results{"$todo\0locked"})) {
                   1034: 	    return 'locked';
                   1035: 	}
1.86      albertel 1036: 	my $slot;
                   1037: 	if (ref($results{$todo}) eq 'ARRAY')  {
                   1038: 	    $slot = $results{$todo}[0];
                   1039: 	} elsif (ref($results{$todo}) eq 'HASH')  {
                   1040: 	    $slot = $results{$todo}{'slot'};
                   1041: 	}
                   1042: 	if (defined($slot)) {
                   1043: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1044: 	    if ($slot_data{'endtime'} > time) { 
                   1045: 		return 'in_progress';
                   1046: 	    }
1.58      albertel 1047: 	}
1.49      albertel 1048: 	return 'enqueued';
                   1049:     }
                   1050:     return undef;
                   1051: }
                   1052: 
1.14      albertel 1053: sub add_to_queue {
1.82      albertel 1054:     my ($queue,$user_data)=@_;
1.49      albertel 1055:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1056:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1057:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1058: 	return 'no_queue';
                   1059:     }
1.14      albertel 1060:     my $cnum=$env{'course.'.$cid.'.num'};
                   1061:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1062:     my %data;
1.82      albertel 1063:     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
1.83      albertel 1064:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1065: }
                   1066: 
                   1067: sub show_queue {
1.32      albertel 1068:     my ($queue,$with_selects)=@_;
1.14      albertel 1069:     my $result;
                   1070:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1071:     my $cnum=$env{'course.'.$cid.'.num'};
                   1072:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1073: 
                   1074:     my @chosen_sections=
                   1075: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1076:     &Apache::grades::init_perm();
                   1077:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1078:     &Apache::grades::reset_perm();
1.63      albertel 1079:     if (!(grep(/^all$/,@chosen_sections))) {
                   1080: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1081: 	    '</tt>.</p> '."\n";
                   1082:     }
1.59      albertel 1083: 
1.16      albertel 1084:     my $regexp="^$symb\0";
1.30      albertel 1085:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1086:     my ($tmp)=%queue;
                   1087:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1088: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1089:     }
1.86      albertel 1090:     $result.="\n<h3>Current Queue - $symb $queue </h3><table border='1'><tr>";
1.32      albertel 1091:     if ($with_selects) { $result.="<th></th>"; }
                   1092:     $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
1.14      albertel 1093:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1094: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1095: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1096: 	if ($key=~/locked$/ && !$with_selects) {
1.16      albertel 1097: 	    my $title=&Apache::lonnet::gettitle($symb);
1.27      albertel 1098: 	    $result.="<tr><td>$title</td><td>$uname</td>";
1.16      albertel 1099: 	    $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1100: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.16      albertel 1101: 	    my ($symb,undef) = split("\0",$key);
                   1102: 	    my $title=&Apache::lonnet::gettitle($symb);
1.27      albertel 1103: 	    $result.="<tr><td>$title</td><td></td>";
1.16      albertel 1104: 	    $result.='<td>last queue modification time</td><td>'.
                   1105: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1106: 	} elsif ($key!~/(timestamp|locked)$/) {
1.16      albertel 1107: 	    my $title=&Apache::lonnet::gettitle($symb);
1.32      albertel 1108: 	    $result.="<tr>";
1.35      albertel 1109: 	    my $slot=$queue{$key}->[0];
                   1110: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
1.32      albertel 1111: 	    if ($with_selects) {
                   1112: 		my $ekey=&Apache::lonnet::escape($key);
                   1113: 		my ($action,$description)=('select',&mt('Select'));
                   1114: 		if (exists($queue{"$key\0locked"})) {
                   1115: 		    my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1116: 		    if ($me eq $queue{"$key\0locked"}) {
                   1117: 			($action,$description)=('resume',&mt('Resume'));
                   1118: 		    } else {
                   1119: 			($action,$description)=('unlock',&mt('Unlock'));
                   1120: 		    }
                   1121: 		}
1.62      albertel 1122: 		my $seclist;
                   1123: 		foreach my $sec (@chosen_sections) {
                   1124: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1125:                                value="'.$sec.'" />';
                   1126: 		}
1.35      albertel 1127: 		if (time > $slot_data{'endtime'}) {
                   1128: 		    $result.=(<<FORM);
1.32      albertel 1129: <td>
                   1130: <form method="POST">
                   1131:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1132:  <input type="hidden" name="queue" value="$queue" />
                   1133:  <input type="hidden" name="gradingaction" value="$action" />
                   1134:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1135:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1136:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1137:  $seclist
1.32      albertel 1138: </form>
                   1139: </td>
                   1140: FORM
1.35      albertel 1141: 
                   1142:                 } else {
                   1143: 		    $result.='<td>'.&mt("In Progress").'</td>'
                   1144: 		}
1.32      albertel 1145: 	    }
                   1146: 	    $result.="<td>$title</td><td>$uname</td>";
1.27      albertel 1147: 	    $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.
1.20      albertel 1148: 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
                   1149: 		"</td></tr>";
1.16      albertel 1150: 	}
1.14      albertel 1151:     }
1.15      albertel 1152:     $result.="</table><hr />\n";
1.14      albertel 1153:     return $result;
                   1154: }
                   1155: 
1.34      albertel 1156: sub get_queue_counts {
                   1157:     my ($queue)=@_;
                   1158:     my $result;
                   1159:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1160:     my $cnum=$env{'course.'.$cid.'.num'};
                   1161:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1162:     my $regexp="^$symb\0";
                   1163:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1164:     my ($tmp)=%queue;
                   1165:     if ($tmp=~/^error: 2 /) {
                   1166: 	return (0,0,0);
                   1167:     }
                   1168:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
                   1169:     foreach my $key (sort(keys(%queue))) {
                   1170: 	if ($key=~/locked$/) {
                   1171: 	    $locks++;
                   1172: 	} elsif ($key=~/timestamp$/) {
                   1173: 	    #ignore
                   1174: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1175: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1176: 	    $entries++;
                   1177: 	    my $slot=$queue{$key}->[0];
                   1178: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1179: 	    if (time > $slot_data{'endtime'}) {
                   1180: 		$ready_to_grade++;
                   1181: 	    }
                   1182: 	}
                   1183:     }
                   1184:     return ($entries,$ready_to_grade,$locks);
                   1185: }
                   1186: 
1.49      albertel 1187: sub encode_queue_key {
                   1188:     my ($symb,$udom,$uname)=@_;
                   1189:     return "$symb\0queue\0$uname\@$udom";
                   1190: }
                   1191: 
1.14      albertel 1192: sub decode_queue_key {
                   1193:     my ($key)=@_;
                   1194:     my ($symb,undef,$user) = split("\0",$key);
                   1195:     my ($uname,$udom) = split('@',$user);
                   1196:     return ($symb,$uname,$udom);
                   1197: }
                   1198: 
                   1199: sub queue_key_locked {
1.30      albertel 1200:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1201:     if (!defined($cdom) || !defined($cnum)) {
                   1202: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1203: 	$cnum=$env{'course.'.$cid.'.num'};
                   1204: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1205:     }
1.14      albertel 1206:     my ($key_locked,$value)=
1.30      albertel 1207: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1208:     if ($key_locked eq "$key\0locked") {
                   1209: 	return $value;
                   1210:     }
                   1211:     return undef;
                   1212: }
                   1213: 
                   1214: sub pick_from_queue_data {
1.30      albertel 1215:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
                   1216:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1217: 	if ($key =~ /\0locked$/) { next; }
                   1218: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1219: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1220: 	if ($check_section) {
                   1221: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1222: 	    if ($section eq $check_section) {
1.33      albertel 1223: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1224: 		next;
                   1225: 	    }
1.14      albertel 1226: 	}
1.30      albertel 1227: 	my $slot=$queuedata->{$key}[0];
1.14      albertel 1228: 	my %slot_data=&Apache::lonnet::get_slot($slot);
1.15      albertel 1229: 	if ($slot_data{'endtime'} > time) { 
1.33      albertel 1230: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1231: 	    next;
                   1232: 	}
1.30      albertel 1233: 	if (&queue_key_locked($queue,$key,$cdom,$cnum)) {
1.33      albertel 1234: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1235: 	    next;
                   1236: 	}
1.14      albertel 1237: 	return $key;
                   1238:     }
                   1239:     return undef;
                   1240: }
                   1241: 
1.15      albertel 1242: sub find_mid_grade {
1.30      albertel 1243:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1244:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.15      albertel 1245:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1246:     if ($todo) {
1.30      albertel 1247: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1248: 	if ($who eq $me) { return $todo; }
                   1249:     }
                   1250:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1251:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1252:     foreach my $key (keys(%locks)) {
                   1253: 	my $who=$locks{$key};
                   1254: 	if ($who eq $me) {
                   1255: 	    $todo=$key;
                   1256: 	    $todo=~s/\0locked$//;
                   1257: 	    return $todo;
                   1258: 	}
                   1259:     }
                   1260:     return undef;
                   1261: }
                   1262: 
1.32      albertel 1263: sub lock_key {
                   1264:     my ($queue,$todo)=@_;
                   1265:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1266:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1267:     my $cnum=$env{'course.'.$cid.'.num'};
                   1268:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1269:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1270: 					$cdom,$cnum);
1.33      albertel 1271:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1272:     if ($success eq 'ok') {
                   1273: 	return 1;
                   1274:     }
                   1275:     return 0;
                   1276: }
                   1277: 
1.86      albertel 1278: sub get_queue_symb_status {
1.85      albertel 1279:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1280:     if (!defined($cdom) || !defined($cnum)) {
                   1281: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1282: 	$cnum=$env{'course.'.$cid.'.num'};
                   1283: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1284:     }
                   1285:     my $regexp="^$symb\0";
                   1286:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1287:     my ($tmp)=%queue;
                   1288:     if ($tmp=~/^error: 2 /) { return; }
                   1289:     my @users;
                   1290:     foreach my $key (sort(keys(%queue))) {
                   1291: 	next if ($key=~/locked$/);
                   1292: 	next if ($key=~/timestamp$/);
                   1293: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1294: 	push(@users,"$uname:$udom");
                   1295:     }
                   1296:     return @users;
                   1297: }
                   1298: 
1.14      albertel 1299: sub get_from_queue {
1.30      albertel 1300:     my ($queue)=@_;
1.14      albertel 1301:     my $result;
                   1302:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1303:     my $cnum=$env{'course.'.$cid.'.num'};
                   1304:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1305:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1306:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1307:     if ($todo) { return $todo; }
1.14      albertel 1308:     while (1) {
                   1309: 	my $starttime=time;
1.83      albertel 1310: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1311: 			      $cdom,$cnum);
1.33      albertel 1312: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1313: 	my $regexp="^$symb\0queue\0";
1.30      albertel 1314: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1315: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1316: 	if ($env{'request.course.sec'}) {
1.33      albertel 1317: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1318: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1319: 					\%queue,$cdom,$cnum);
1.33      albertel 1320: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1321: 	}
1.33      albertel 1322: 	# no one _not_ in our section so look for any user that is
                   1323: 	# ready for grading
1.14      albertel 1324: 	if (!$todo) {
1.33      albertel 1325: 	    &Apache::lonxml::debug("no sce");
1.31      albertel 1326: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1327: 					\%queue,$cdom,$cnum);
1.33      albertel 1328: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1329: 	}
                   1330: 	# no user to grade 
                   1331: 	if (!$todo) { last; }
1.33      albertel 1332: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1333: 	# otherwise found someone so lets try to lock them
1.32      albertel 1334: 	# unless someone else already picked them
                   1335: 	if (!&lock_key($queue,$todo)) { next; }
1.14      albertel 1336: 	my (undef,$endtime)=
1.30      albertel 1337: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1338: 				 $cdom,$cnum);
1.33      albertel 1339: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1340: 	# someone else already modified the queue, 
                   1341: 	# perhaps our picked user wass already fully graded between
                   1342: 	# when we picked him and when we locked his record? so lets
                   1343: 	# double check.
                   1344: 	if ($endtime != $starttime) {
                   1345: 	    my ($key,$value)=
1.30      albertel 1346: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1347: 				     $cdom,$cnum);
1.33      albertel 1348: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1349: 	    if ($key eq $todo && ref($value)) {
                   1350: 	    } else {
1.30      albertel 1351: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1352: 				     $cdom,$cnum);
1.33      albertel 1353: 		&Apache::lonxml::debug("del");
1.14      albertel 1354: 		next;
                   1355: 	    }
                   1356: 	}
1.33      albertel 1357: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1358: 	last;
                   1359:     }
                   1360:     return $todo;
                   1361: }
                   1362: 
1.49      albertel 1363: sub select_user {
                   1364:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1365: 
1.59      albertel 1366:     my @chosen_sections=
                   1367: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1368:     &Apache::grades::init_perm();
1.59      albertel 1369:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1370:     &Apache::grades::reset_perm();
1.63      albertel 1371:     
                   1372:     my $result;
                   1373:     if (!(grep(/^all$/,@chosen_sections))) {
                   1374: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1375: 	    '</tt>.</p> '."\n";
                   1376:     }
                   1377:     $result.='<table border="1">';
1.49      albertel 1378: 
                   1379:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1380: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1381: 	
1.84      albertel 1382: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1383: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1384: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1385: 					 'Task');
1.49      albertel 1386: 	my $queue = 'none';
1.58      albertel 1387: 	my $cannot_grade;
                   1388: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1389: 	    $queue = 'reviewqueue';
1.58      albertel 1390: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1391: 		$cannot_grade=1;
                   1392: 	    }
                   1393: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1394: 	    $queue = 'gradingqueue';
1.58      albertel 1395: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1396: 		$cannot_grade=1;
                   1397: 	    }
1.49      albertel 1398: 	}
                   1399: 	my $todo = 
                   1400: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1401: 	if ($cannot_grade) {
                   1402: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1403: 		'</td><td>';
                   1404: 	} else {
1.62      albertel 1405: 	    my $seclist;
                   1406: 	    foreach my $sec (@chosen_sections) {
                   1407: 		$seclist.='<input type="hidden" name="chosensections" 
                   1408:                                value="'.$sec.'" />';
                   1409: 	    }
1.58      albertel 1410: 	    $result.=<<RESULT;
1.49      albertel 1411: <tr>
                   1412:   <td>
                   1413:     <form method="POST">
                   1414:       <input type="hidden" name="gradingkey" value="$todo" />
                   1415:       <input type="hidden" name="queue" value="$queue" />
                   1416:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1417:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1418:       <input type="submit" name="submit" value="Regrade" />
                   1419:       $seclist
1.49      albertel 1420:     </form>
                   1421:   <td>$fullname->{$student}</td>
                   1422:   <td>
                   1423: RESULT
1.58      albertel 1424:         }
1.49      albertel 1425:         if ($status{'status'} eq 'pass') {
                   1426: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1427: 	} elsif ($status{'status'} eq 'fail') {
                   1428: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1429: 	} elsif ($status{'status'} eq 'review') {
                   1430: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1431: 	} elsif ($status{'status'} eq 'ungraded') {
                   1432: 	    $result .= &mt('Ungraded');
                   1433: 	} elsif ($status{'status'} ne '') {
                   1434: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1435: 	} else {
                   1436: 	    $result.="&nbsp;";
                   1437: 	}
                   1438: 	if ($status{'version'}) {
                   1439: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1440: 	}
                   1441: 	$result.= '</td><td>';
                   1442: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1443: 	    $result .= &mt('Awaiting Review');
                   1444: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1445: 	    $result .= &mt('Under Review');
1.58      albertel 1446: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1447: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1448: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1449: 	    $result .= &mt('Awaiting Grading');
                   1450: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1451: 	    $result .= &mt('Being Graded');
1.58      albertel 1452: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1453: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1454: 	} else {
                   1455: 	    $result.="&nbsp;";
                   1456: 	}
                   1457: 	$result.= '</td></tr>';
                   1458:     }
                   1459:     $result.='</table>';
                   1460:     return $result;
                   1461: }
                   1462: 
                   1463: sub get_student_status {
1.86      albertel 1464:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1465: 
                   1466:     my %status;
                   1467: 
                   1468:     if ($type eq 'Task') {
                   1469: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1470: 					  $udom,$uname);
1.89      albertel 1471: 	$status{'status'}=$record{'resource.0.status'};
                   1472: 	$status{'version'}=$record{'resource.0.version'};
                   1473: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1474:     }
                   1475:     $status{'reviewqueue'}=
                   1476: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1477: 			     &encode_queue_key($symb,$udom,$uname));
                   1478:     $status{'gradingqueue'}=
                   1479: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1480: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1481:     return %status;
                   1482: }
                   1483: 
1.1       albertel 1484: sub start_ClosingParagraph {
                   1485:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1486:     my $result;
                   1487:     if ($target eq 'web') {
1.13      albertel 1488:     } elsif ($target eq 'webgrade') {
                   1489: 	&Apache::lonxml::startredirection();
1.1       albertel 1490:     }
                   1491:     return $result;
                   1492: }
                   1493: 
                   1494: sub end_ClosingParagraph {
                   1495:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1496:     my $result;
                   1497:     if ($target eq 'web') {
1.13      albertel 1498:     } elsif ($target eq 'webgrade') {
                   1499: 	&Apache::lonxml::endredirection();
1.1       albertel 1500:     }
                   1501:     return $result;
                   1502: }
                   1503: 
1.19      albertel 1504: sub get_id {
                   1505:     my ($parstack,$safeeval)=@_;
                   1506:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1507:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1508:     return $id;
                   1509: }
                   1510: 
1.1       albertel 1511: my %dimension;
                   1512: sub start_Dimension {
                   1513:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1514:     undef(%dimension);
1.19      albertel 1515:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1516:     $Apache::bridgetask::dimension=$dim_id;
                   1517:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1518:     undef(@Apache::bridgetask::instance);
1.20      albertel 1519:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1520: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1521:     &Apache::lonxml::startredirection();
                   1522:     return &internal_location($dim_id);
1.1       albertel 1523: }
                   1524: 
1.13      albertel 1525: sub get_instance {
1.75      albertel 1526:     my ($dim)=@_;
                   1527:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1528:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1529: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1530: 	$rand_alg eq '64bit4' ) {
                   1531: 	&Apache::response::pushrandomnumber();
                   1532: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1533: 	my $num=@order;
                   1534: 	my $version=&get_version();
                   1535: 	my $which=($version-1)%$num;
                   1536: 	return $order[$which];
                   1537:     } else {
                   1538: 	my ($version,$previous) = &get_version();
                   1539: 	my $instance = 
                   1540: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1541: 	if (defined($instance)) { return $instance; }
                   1542: 
                   1543: 	&Apache::response::pushrandomnumber();
                   1544: 	my @instances = @{$dimension{'instances'}};
                   1545: 	# remove disabled instances
                   1546: 	for (my $i=0; $i < $#instances; $i++) {
                   1547: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1548: 		splice(@instances,$i,1);
                   1549: 		$i--;
                   1550: 	    }
                   1551: 	}
                   1552: 	@instances = &Math::Random::random_permutation(@instances);
                   1553: 	$instance  = $instances[($version-1)%scalar(@instances)];
                   1554: 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1555: 	    $instance;
1.79      albertel 1556: 	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 1557: 	&Apache::response::poprandomnumber();
                   1558: 	return $instance;
                   1559:     }
1.13      albertel 1560: }
                   1561: 
1.18      albertel 1562: {
                   1563:     my $last_link;
                   1564:     sub end_Dimension {
                   1565: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1566: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1567: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1568: 	my $instance=&get_instance($dim);
1.25      albertel 1569: 	my $version=&get_version();
1.18      albertel 1570: 	if ($target eq 'web') {
1.47      albertel 1571: 	    @Apache::scripttag::parser_env = @_;
                   1572: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1573: 	    my @instances = $instance;
                   1574: 	    if (&Apache::response::showallfoils()) {
                   1575: 		@instances = @{$dimension{'instances'}};
                   1576: 	    }
                   1577: 	    foreach my $instance (@instances) {
                   1578: 		@Apache::scripttag::parser_env = @_;
                   1579: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89      albertel 1580: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1581: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1582: 
1.89      albertel 1583: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1584: 		    my $mandatory='Mandatory';
                   1585: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1586: 			$mandatory='Optional';
                   1587: 		    }
                   1588: 		    my $dim_info="<div class='$dim_status'>\n";
                   1589: 		    if ($dim_status eq 'pass') {
                   1590: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1591: 		    }
1.76      albertel 1592: 		    if ($dim_status eq 'fail') {
                   1593: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1594: 		    }
1.76      albertel 1595: 		    my $man_count=0;
                   1596: 		    my $man_passed=0;
                   1597: 		    my $opt_count=0;
                   1598: 		    my $opt_passed=0;
                   1599: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1600: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1601: 			    eq 'N') {
                   1602: 			    $opt_count++;
1.89      albertel 1603: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1604: 				$opt_passed++;
                   1605: 			    }
                   1606: 			} else {
                   1607: 			    $man_count++;
1.89      albertel 1608: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1609: 				$man_passed++;
                   1610: 			    }
                   1611: 			}
1.22      albertel 1612: 		    }
1.76      albertel 1613: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1614: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1615: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1616: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1617: 
                   1618: 		    my $internal_location=&internal_location($dim);
                   1619: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1620: 
                   1621: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1622: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
                   1623: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1624: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1625: 			if ($mandatory) {
                   1626: 			    $mandatory='Mandatory';
                   1627: 			} else {
                   1628: 			    $mandatory='Optional';
                   1629: 			}
                   1630: 			if ($status eq 'fail') {
                   1631: 			} elsif ($status eq 'pass') {
                   1632: 			} else {
                   1633: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1634: 			}
                   1635: 			my $status_display=$status;
                   1636: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1637: 			@Apache::scripttag::parser_env = @_;
                   1638: 			$result.='<div class="'.$status.'"><h4>'.$mandatory.
                   1639: 			    ' Criteria</h4><p>';
                   1640: 			@Apache::scripttag::parser_env = @_;
                   1641: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
                   1642: 			$result.='</p><p class="grade">'.$status_display.'</p>';
1.89      albertel 1643: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
                   1644: 			    $result.='<p class="comment">'.$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}.'</p>';
1.76      albertel 1645: 			}
                   1646: 			$result.='</div>';
1.22      albertel 1647: 		    }
                   1648: 		}
                   1649: 	    }
1.18      albertel 1650: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1651: 	    # in case of any side effects that we need
                   1652: 	    @Apache::scripttag::parser_env = @_;
                   1653: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1654: 	    @Apache::scripttag::parser_env = @_;
                   1655: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1656: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1657: 		my $link='criteria_'.$instance.'_'.$id;
1.89      albertel 1658: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.19      albertel 1659: 		$result.='<tr><td width="100%" valign="top">'.
1.18      albertel 1660: 		    '<a name="'.$link.'" />'.
                   1661: 		    '<a name="next_'.$last_link.'" />'.
1.47      albertel 1662: 		    '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';
                   1663: 		@Apache::scripttag::parser_env = @_;
                   1664: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
                   1665: 		$result.='</textarea>'.
1.18      albertel 1666: 		    #$dimension{$instance.'.criteria.'.$id}.
                   1667: 		    '</td>'.
1.19      albertel 1668: 		    '<td><nobr>Additional Comment for Student</nobr> <br />'.
1.89      albertel 1669: 		    '<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 1670: 		    '</td>'.
                   1671: 		    '<td>'.
1.47      albertel 1672: 		    '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.
1.30      albertel 1673: 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
                   1674: 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
                   1675: 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
1.18      albertel 1676: 		    '</td>'.
                   1677: 		    '<td>'.
                   1678: 		    '<a href="#'.$last_link.'">Prev</a><br />'.
1.20      albertel 1679: 		    '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
1.18      albertel 1680: 		    '</td></tr>';
                   1681: 		$last_link=$link;
                   1682: 	    }
1.22      albertel 1683: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1684: 	    my $optional_passed=0;
1.20      albertel 1685: 	    my $mandatory_failed=0;
                   1686: 	    my $ungraded=0;
                   1687: 	    my $review=0;
1.19      albertel 1688: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1689: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
                   1690: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
1.20      albertel 1691: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1692: 		if ($status eq 'pass') {
                   1693: 		    if (!$mandatory) { $optional_passed++; }
                   1694: 		} elsif ($status eq 'fail') {
                   1695: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1696: 		} elsif ($status eq 'review') {
                   1697: 		    $review++;
1.20      albertel 1698: 		} elsif ($status eq 'ungraded') {
                   1699: 		    $ungraded++;
1.21      albertel 1700: 		} else {
1.47      albertel 1701: 		    $ungraded++;
1.19      albertel 1702: 		}
                   1703: 	    }
1.20      albertel 1704: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1705: 		$mandatory_failed++;
                   1706: 	    }
1.21      albertel 1707: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1708: 	    if ($review) {
1.89      albertel 1709: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1710: 		    'review';
1.20      albertel 1711: 	    } elsif ($ungraded) {
1.89      albertel 1712: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1713: 		    'ungraded';
1.20      albertel 1714: 	    } elsif ($mandatory_failed) {
1.89      albertel 1715: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1716: 		    'fail';
1.20      albertel 1717: 	    } else {
1.91      albertel 1718: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1719: 		    'pass';
1.20      albertel 1720: 	    }
1.69      albertel 1721: 	} else {
                   1722: 	    # any other targets no output
                   1723: 	    undef($result);
1.13      albertel 1724: 	}
1.18      albertel 1725: 	return $result;
1.1       albertel 1726:     }
                   1727: }
                   1728: 
                   1729: sub start_IntroParagraph {
1.87      albertel 1730:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1731:     my $result;
1.13      albertel 1732:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1733: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1734: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1735: 	
                   1736: 	} elsif ($target eq 'webgrade') {
1.87      albertel 1737: 	    &Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.1       albertel 1738: 	}
1.47      albertel 1739: 	
1.1       albertel 1740:     }
                   1741:     return $result;
                   1742: }
                   1743: 
                   1744: sub end_IntroParagraph {
                   1745: }
                   1746: 
                   1747: sub start_Instance {
                   1748:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1749:     my $id=&get_id($parstack,$safeeval);
                   1750:     push(@{$dimension{'instances'}},$id);
                   1751:     push(@Apache::bridgetask::instance,$id);
                   1752:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1753:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1754: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1755:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1756:     if (lc($disabled) eq 'yes') {
                   1757: 	$dimension{$id.'.disabled'}='1';
                   1758:     }
1.1       albertel 1759:     return '';
                   1760: }
                   1761: 
                   1762: sub end_Instance {
                   1763: }
                   1764: 
                   1765: sub start_InstanceText {
1.87      albertel 1766:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 1767:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1768:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.13      albertel 1769:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1770: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 1771:     }
                   1772:     return '';
                   1773: }
                   1774: 
                   1775: sub end_InstanceText {
                   1776:     return '';
                   1777: }
                   1778: 
                   1779: sub start_Criteria {
1.87      albertel 1780:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 1781:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1782:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 1783:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 1784: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 1785: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 1786: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   1787: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 1788: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   1789:     }
                   1790:     return '';
                   1791: }
                   1792: 
1.47      albertel 1793: sub end_Criteria {
                   1794: }
                   1795: 
1.4       albertel 1796: sub proctor_validation_screen {
                   1797:     my ($slot) = @_;
                   1798:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 1799:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 1800:     my $name=&Apache::loncommon::plainname($user,$domain);
                   1801:     
1.4       albertel 1802:     my $msg;
1.11      albertel 1803:     if ($env{'form.proctorpassword'}) {
1.4       albertel 1804: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   1805: 	    .'</font></p>';
                   1806:     }
1.47      albertel 1807:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 1808:     my $result= (<<ENDCHECKOUT);
                   1809: <h2>Proctor Validation</h2>
                   1810:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   1811:     $msg
1.11      albertel 1812: <form name="checkout" method="POST" action="$env{'request.uri'}">
1.4       albertel 1813: <input type="hidden" name="validate" value="yes" />
                   1814: <input type="hidden" name="submitted" value="yes" />
                   1815: <table>
1.44      albertel 1816:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 1817:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 1818:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 1819: </table>
                   1820: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 1821: <table border="1">
                   1822:   <tr><td>
                   1823:     <table>
                   1824:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   1825:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 1826:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.44      albertel 1827:       <tr><td>Usename</td><td>$user\@$domain</td></tr>
                   1828:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   1829:     </table>
                   1830:   </tr></td>
                   1831: </table>
1.4       albertel 1832: </form>
                   1833: ENDCHECKOUT
                   1834:     return $result;
                   1835: }
                   1836: 
1.1       albertel 1837: 1;
                   1838: __END__

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