Annotation of loncom/homework/bridgetask.pm, revision 1.111

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.111   ! albertel    4: # $Id: bridgetask.pm,v 1.110 2006/02/14 19:51:29 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');
1.106     albertel  191: 	$result.='<table><tr>';
                    192: 	$result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
                    193: 	$result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
                    194: 	    &mt("Select an entry from the grading queue:").'" /> ';
1.34      albertel  195: 
1.107     albertel  196: 	$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
1.34      albertel  197: 
                    198: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
1.106     albertel  199: 	$result.='<tr><td>'.
                    200: 	    ' <input type="submit" name="reviewasubmission" value="'.
                    201: 	    &mt("Select an entry from the review queue:").'" /> ';
                    202: 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
                    203: 		     $entries,$ready,$locks).'</td></tr>'."\n";
                    204: 	$result.='<tr><td> <input type="submit" name="regradeasubmission" value="'.
                    205: 	    &mt("List of user's grade status").'" /> </td></tr></table>'."\n";
1.105     albertel  206: 	$result.='<p> <input type="submit" name="regradeaspecificsubmission" value="'.
1.106     albertel  207: 	    &mt("Regrade specific user:").'" />'."\n";
1.105     albertel  208: 	$result.='<input type="text" size="12" name="gradinguser" />';
                    209: 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
                    210: 						     'gradingdomain');
                    211: 	$result.=' '.
                    212: 	    &Apache::loncommon::selectstudent_link('gradesubmission',
                    213: 						   'gradinguser',
                    214: 						   'gradingdomain');
                    215: 	$result.=&Apache::loncommon::studentbrowser_javascript();
                    216:   }
1.13      albertel  217:     return $result;
                    218: }
                    219: 
1.22      albertel  220: sub add_request_another_attempt_button {
1.38      albertel  221:     my ($text)=@_;
                    222:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  223:     my $result;
1.36      albertel  224:     my $symb=&Apache::lonnet::symbread();
1.37      albertel  225:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  226:     my $action='get_reservation';
1.37      albertel  227:     if ($slot_name) {
1.38      albertel  228: 	$text="Change reservation.";
                    229: 	$action='change_reservation';
1.37      albertel  230: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    231: 							      $slot);
                    232: 	$result.=(<<STUFF);
                    233: <p> Will be next available: $description </p>
                    234: STUFF
                    235:     }
1.38      albertel  236:     
                    237:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
                    238:     $symb=&Apache::lonnet::escape($symb);
                    239:     $result.='<form method="POST" action="/adm/slotrequest">'.
                    240: 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
                    241: 	'<input type="hidden" name="command" value="'.$action.'" />'.
                    242: 	'<input type="submit" name="requestattempt" value="'.
                    243: 	&mt($text).'" />'.
                    244: 	'</form>';
1.25      albertel  245:     return $result;
1.22      albertel  246: }
                    247: 
1.30      albertel  248: sub preserve_grade_info {
                    249:     my $result;
                    250:     # if we are viewing someone else preserve that info
                    251:     if (defined $env{'form.grade_symb'}) {
                    252: 	foreach my $field ('symb','courseid','domain','username') {
                    253: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    254: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    255: 	}
                    256:     }
                    257:     return $result;
                    258: }
                    259: 
1.53      albertel  260: sub style {
                    261:     return (<<STYLE);
                    262: <style type="text/css">
                    263: .fail, .pass, .neutral {
                    264:     position: relative;
                    265:     margin : 5px;
                    266:     margin-bottom :10px;
                    267:     padding : 4px;
                    268:     padding-left : 75px;
                    269: 	border : thin solid;
                    270:     font-weight : bolder;
                    271:     font-size: smaller;
                    272:     font-family: Arial;
                    273:     background-color : rgb(255,240,225);
                    274: }
                    275: 
                    276: .fail h4, .pass h4 {
                    277: 	position:absolute;
                    278: 	left: -4px;
                    279: 	top: -8px;
                    280: 	padding:2px;
                    281: 	margin:0;
                    282: 	background-color : rgb(255,240,225);
                    283: 	border : thin solid;
                    284: }
                    285: 
                    286: .fail {
                    287: 	color: red;
                    288: }
                    289: 
                    290: .pass {
                    291:     color : green;
                    292: }
                    293: 
                    294: .neutral {
                    295: 	color : blue;
                    296: }
                    297: 
                    298: .question {
                    299: 	border : thin solid black;
                    300: 	padding : 4px;
                    301: 	margin-bottom : 1em;
                    302: }
                    303: 
                    304: .grade {
                    305: 	font-size: x-large;
                    306: 	font-family: Arial;
                    307: 	position:absolute;
                    308: 	left: 5px;
                    309: 	top: -5px;
                    310: 	width: 70px;
                    311: }
                    312: 
                    313: div#feedback h1 {
                    314:     color : inherit;
                    315: }
                    316: </style>
                    317: STYLE
                    318: 
                    319: }
                    320: 
1.54      albertel  321: sub show_task {
                    322:     my ($status,$previous)=@_;
                    323:     if (!$previous && (
                    324: 		       ( $status eq 'CLOSED' ) ||
                    325: 		       ( $status eq 'BANNED') ||
                    326: 		       ( $status eq 'UNAVAILABLE') ||
                    327: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    328: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    329: 		       ( $status eq 'WAITING_FOR_GRADE') ||
                    330: 		       ( $status eq 'INVALID_ACCESS') )) {
                    331: 	return 0;
                    332:     }
1.64      albertel  333:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  334:     return 1;
                    335: }
                    336: 
                    337: sub internal_location {
                    338:     my ($id)=@_;
                    339:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    340: }
                    341: 
1.60      albertel  342: sub submission_time_stamp {
                    343:     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
                    344:     my $submissiontime;
1.89      albertel  345:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  346:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
                    347: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
                    348: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
                    349: 	}
                    350:     }
                    351:     my $result;
                    352:     if ($submissiontime) {
1.89      albertel  353: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  354: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    355: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  356: 	my ($color,$when)=('#FF6666','after');
                    357: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  358: 	my $info;
                    359: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    360: 	$diff=int($diff/60);
                    361: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    362: 	$diff=int($diff/60);
                    363: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    364: 	$result='<p><font color="'.$color.'">'.
                    365: 	    &mt('Student submitted [_1] [_2] the deadline. 
                    366:                  (Submission was at [_3], end of period was [_4].)',
                    367: 		$info,$when,scalar(localtime($submissiontime)),
                    368: 		scalar(localtime($slot{'endtime'}))).
                    369: 		'</font></p>';
                    370:     }
                    371:     return $result;
                    372: }
                    373: 
1.70      albertel  374: sub webgrade_standard_info {
                    375:     my ($version)=&get_version();
                    376:     my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
                    377:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
                    378:     my $file_list="<ul>\n";
                    379:     foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
                    380: 	my $file=$file_url.$partial_file;
                    381: 	$file=~s|/+|/|g;
                    382: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.73      albertel  383: 	$file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
1.109     albertel  384: 	    &Apache::loncommon::icon($file).'" border="0"> '.$file.
1.70      albertel  385: 	    '</a></nobr></li>'."\n";
                    386:     }
                    387:     $file_list.="</ul>\n";
                    388: 
                    389:     my %lt=&Apache::lonlocal::texthash('done' => 'Done',
                    390: 				       'stop' => 'Stop',
                    391: 				       );
                    392: 				       
                    393:     my $result=<<INFO;
                    394: <div class="handininfo">
1.111   ! albertel  395:   <div class="maincontrols">
        !           396:     <input type="submit" name="next" value="$lt{'done'}" />
        !           397:     <input type="submit" name="stop" value="$lt{'stop'}" />
        !           398:   </div>
1.70      albertel  399:   $file_list
                    400: </div>
                    401: INFO
                    402:     return $result;
                    403: }
                    404: 
1.1       albertel  405: sub start_Task {
1.87      albertel  406:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  407: 
1.4       albertel  408:     my ($status,$accessmsg,$slot);
1.16      albertel  409:     if ($target ne 'webgrade') {
1.70      albertel  410: 	&Apache::structuretags::init_problem_globals('Task');
1.16      albertel  411: 	&Apache::structuretags::initialize_storage();
                    412: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  413: 	if ($env{'request.state'} eq 'construct') {
                    414: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    415: 	}
1.16      albertel  416:     } 
                    417: 
1.4       albertel  418:     $Apache::lonhomework::parsing_a_task=1;
1.1       albertel  419:     #should get back a <html> or the neccesary stuff to start XML/MathML
                    420:     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
                    421: 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.16      albertel  422:     
1.74      albertel  423:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.13      albertel  424: 	if ($Apache::lonhomework::modifygrades) {
                    425: 	    $body_tag_start.='<form name="gradesubmission" method="POST" action="';
                    426: 	    my $uri=$env{'request.uri'};
                    427: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    428: 	    $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  429: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  430: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.108     albertel  431: 		$body_tag_start.='<form method="POST" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  432: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    433: 		    '<input type="hidden" name="command" value="showslots" />'.
                    434: 		    '<input type="submit" name="requestattempt" value="'.
                    435: 		    &mt('Show Slot list').'" />'.
                    436: 		    '</form>';
1.108     albertel  437: 		my $target_id = 
                    438: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    439: 							     part => '0'});
                    440: 		$body_tag_start.='<form method="POST" name="gradingstatus" action="/adm/statistics">'.
                    441: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    442: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    443: 		    '<input type="submit" name="grading" value="'.
                    444: 		    &mt('Show Grading Status').'" />'.
                    445: 		    '</form>';
1.40      albertel  446: 	    }
1.13      albertel  447: 	}
1.8       albertel  448:     }
1.74      albertel  449:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    450: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    451:     }
1.21      albertel  452:     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
1.1       albertel  453: 	$target eq 'tex') {
1.29      albertel  454: 	my ($version,$previous)=&get_version();
1.14      albertel  455: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  456: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.9       albertel  457: 	push(@Apache::inputtags::status,$status);
1.14      albertel  458: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  459: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  460: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  461: 	&Apache::run::run($expression,$safeeval);
                    462: 	&Apache::lonxml::debug("Got $status");
1.25      albertel  463: 	$body_tag_start.=&add_previous_version_button($status);
1.54      albertel  464: 	if (!&show_task($status,$previous)) {
1.87      albertel  465: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  466: 	    if ( $target eq "web" ) {
1.4       albertel  467: 		$result.= $head_tag_start.'</head>'.$body_tag_start;
1.74      albertel  468: 		if ($env{'request.state'} eq 'construct') {
                    469: 		    $result.=$form_tag_start;
                    470: 		}
1.4       albertel  471: 		my $msg;
1.1       albertel  472: 		if ($status eq 'UNAVAILABLE') {
                    473: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  474: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    475: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  476: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  477: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    478: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    479: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  480: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    481: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  482: 		} elsif ($env{'form.donescreen'}) {
                    483: 		    my $title=&Apache::lonnet::gettitle();
1.67      albertel  484: 		    my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
                    485: 		    my $files='<ul><li>'.join('</li><li>',@files).'</li></ul>';
1.64      albertel  486: 		    $result.=<<DONESCREEN;
                    487: <h2>$title</h2>
                    488: <p> Files submitted: $files </p>
1.67      albertel  489: <p> You are now done with this Bridge Task </p>
1.64      albertel  490: <hr />
                    491: <p> <a href="/adm/logout">Logout</a> </p>
                    492: <p> <a href="/adm/roles">Change to a different course</a> </p>
                    493: DONESCREEN
1.1       albertel  494: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    495: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    496: 		}
                    497: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    498: 		    $msg.='The problem '.$accessmsg;
                    499: 		}
                    500: 		$result.=$msg.'<br />';
                    501: 	    } elsif ($target eq 'tex') {
                    502: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    503: 		if ($status eq 'UNAVAILABLE') {
                    504: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    505: 		} else {
                    506: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    507: 		}
1.22      albertel  508: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  509: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  510: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    511: 		       && defined($Apache::inputtags::slot_name)) {
1.77      albertel  512: 			my $result=&add_to_queue('gradingqueue',
1.82      albertel  513: 						 [$Apache::inputtags::slot_name]);
1.77      albertel  514: 			&Apache::lonxml::debug("add_to_queue said $result");
                    515: 		    }
1.4       albertel  516: 		}
1.1       albertel  517: 	    }
                    518: 	} elsif ($target eq 'web') {
                    519: 	    my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    520: 	    $result.="$head_tag_start<title>$name</title></head>
1.53      albertel  521:               $body_tag_start \n".&style();
1.36      albertel  522: 	    
1.57      albertel  523: 	    $result.=&preserve_grade_info();
                    524: 	    $result.=&internal_location();
1.36      albertel  525: 	    $result.=$form_tag_start.
                    526: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  527: 	    &Apache::lonxml::startredirection();
1.1       albertel  528: 	}
1.21      albertel  529:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    530: 	      $target eq 'webgrade') {
1.32      albertel  531: 	my $webgrade='yes';
1.21      albertel  532: 	if ($target eq 'webgrade') {
1.110     albertel  533: 	    $result.=$head_tag_start.'</head>'.$body_tag_start;
1.49      albertel  534: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    535: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  536: 	}
1.33      albertel  537: 	# FIXME Blast! still need to reorg this, need to reshow the
                    538:         #       queue being reviewed once done with the grade pass...
                    539:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    540:         #       perhaps do a search if there is a key that is mine and if
                    541:         #       there isn't reshow the queue....
1.105     albertel  542: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  543: 
                    544: 	if ($todo) {
                    545: 	    &setup_env_for_other_user($todo,$safeeval);
                    546: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    547: 	    $result.="\n".'<table><tr><td>Found '.
                    548: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    549: 	    $form_tag_start.=
                    550: 		'<input type="hidden" name="gradingkey" value="'.
                    551: 		&Apache::lonnet::escape($todo).'" />';
                    552: 	    $Apache::bridgetask::queue_key=$todo;
                    553: 	    &Apache::structuretags::initialize_storage();
                    554: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  555: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    556: 		$form_tag_start.=
                    557: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  558: 	    }
1.15      albertel  559: 	} else {
1.33      albertel  560: 	    if ($target eq 'webgrade') {
                    561: 		$result.="\n";
1.81      albertel  562: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    563: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  564: 		if      ($status_code eq 'stop') {
1.81      albertel  565: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.33      albertel  566: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  567: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  568: 			.'</b>'.$back;
1.33      albertel  569: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  570: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    571: 			.'</b>'.$back;
1.33      albertel  572: 		    $result.=&show_queue($env{'form.queue'},1);
                    573: 		} elsif ($status_code eq 'show_list') {
                    574: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  575: 		} elsif ($status_code eq 'select_user') {
                    576: 		    $result.=&select_user();
1.95      albertel  577: 		} elsif ($status_code eq 'unable') {
                    578: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  579: 		} elsif ($status_code eq 'not_allowed') {
                    580: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  581: 		} else {
1.81      albertel  582: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  583: 		}
1.21      albertel  584: 	    }
1.33      albertel  585: 	    $webgrade='no';
1.87      albertel  586: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  587: 	}
                    588: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  589: 	    if ($webgrade eq 'yes') {
                    590: 		$result.=&submission_time_stamp();
                    591: 	    }
1.32      albertel  592: 	    $result.=$form_tag_start;
                    593: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    594: 		$webgrade.'" />';
                    595: 	    $result.='<input type="hidden" name="queue" value="'.
                    596: 		$env{'form.queue'}.'" />';
1.52      albertel  597: 	    if ($env{'form.regrade'}) {
                    598: 		$result.='<input type="hidden" name="regrade" value="'.
                    599: 		    $env{'form.regrade'}.'" />';
                    600: 	    }
1.62      albertel  601: 	    if ($env{'form.chosensections'}) {
                    602: 		my @chosen_sections=
                    603: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    604: 		foreach my $sec (@chosen_sections) {
                    605: 		    $result.='<input type="hidden" name="chosensections" 
                    606:                                value="'.$sec.'" />';
                    607: 		}
                    608: 	    }
1.70      albertel  609: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  610: 	}
1.110     albertel  611: 	if ($target eq 'webgrade') {
1.111   ! albertel  612: 	    $result.="\n".'<div id="criterialist">';
1.110     albertel  613: 	}
1.74      albertel  614:     } elsif ($target eq 'edit') {
                    615: 	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
                    616: 	    &Apache::structuretags::problem_edit_header();
                    617: 	$Apache::lonxml::warnings_error_header=
                    618: 	    &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 />";
                    619: 	my $temp=&Apache::edit::insertlist($target,$token);
                    620: 	$result.=$temp;
1.1       albertel  621:     } else {
                    622: 	# page_start returned a starting result, delete it if we don't need it
                    623: 	$result = '';
                    624:     }
                    625:     return $result;
                    626: }
                    627: 
1.32      albertel  628: sub get_key_todo {
                    629:     my ($target)=@_;
                    630:     my $todo;
1.33      albertel  631: 
                    632:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  633: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  634: 	$env{'form.queue'}='reviewqueue';
                    635: 	return (undef,'show_list');
                    636:     }
                    637: 
                    638:     if (defined($env{'form.reviewagrading'})) {
                    639: 	&Apache::lonxml::debug("review a grading....");
                    640: 	$env{'form.queue'}='gradingqueue';
                    641: 	return (undef,'show_list');
                    642:     }
                    643: 
1.49      albertel  644:     if (defined($env{'form.regradeasubmission'})) {
                    645: 	&Apache::lonxml::debug("regrade a grading....");
                    646: 	$env{'form.queue'}='none';
                    647: 	return (undef,'select_user');
                    648:     }
                    649: 
1.105     albertel  650: 
                    651:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    652: 
                    653:     #need to try both queues..
                    654:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    655: 	defined($env{'form.gradinguser'})               &&
                    656: 	defined($env{'form.gradingdomain'})               ) {
                    657: 	my ($symb,$cid)=&Apache::lonxml::whichuser();
                    658: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    659: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    660: 	my $uname = $env{'form.gradinguser'};
                    661: 	my $udom  = $env{'form.gradingdomain'};
                    662: 
                    663: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    664: 
                    665: 	my $queue;
                    666: 
                    667: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    668: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    669: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    670: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    671: 	}
                    672: 	
                    673: 	if (!$queue) {
                    674: 	    $env{'form.queue'} = $queue = 'none';
                    675: 	    #not queued so doing either a re or pre grade
                    676: 	    return ($gradingkey);
                    677: 	}
                    678: 
                    679: 	my $who=&queue_key_locked($queue,$gradingkey);
                    680: 	if ($who eq $me) {
                    681: 	    #already have the lock
                    682: 	    $env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);
                    683: 	    return ($gradingkey);
                    684: 	}
                    685: 	
                    686: 	if (!defined($who)) {
                    687: 	    if (&lock_key($queue,$gradingkey)) {
                    688: 		return ($gradingkey);
                    689: 	    } else {
                    690: 		return (undef,'lock_failed');
                    691: 	    }
                    692: 	}
                    693: 
                    694: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    695: 	return (undef,'not_allowed',
                    696: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
                    697: 		    $who,$env{'form.gradinguser'}.'@'.$env{'form.gradingdomain'}));
                    698:     }
                    699: 
                    700: 
1.32      albertel  701:     my $queue=$env{'form.queue'};
1.33      albertel  702: 
1.32      albertel  703:     if (!defined($queue)) {
                    704: 	$env{'form.queue'}=$queue='gradingqueue';
                    705:     }
1.33      albertel  706: 
1.32      albertel  707:     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.33      albertel  708: 
1.49      albertel  709:     if ($env{'form.queue'} eq 'none') {
                    710: 	if (defined($env{'form.gradingkey'})) {
                    711: 	    if ($target eq 'webgrade') {
                    712: 		if ($env{'form.stop'}) {
                    713: 		    return (undef,'stop');
                    714: 		} elsif ($env{'form.next'}) {
1.59      albertel  715: 		    return (undef,'select_user');
1.49      albertel  716: 		}
                    717: 	    }
                    718: 	    return ($gradingkey,'selected');
                    719: 	} else {
1.59      albertel  720: 	    return (undef,'select_user');
1.49      albertel  721: 	}
                    722:     }
1.32      albertel  723:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  724: 	&& !defined($env{'form.gradingaction'}) 
                    725: 	&& $env{'form.queuemode'} eq 'selected') {
                    726: 	
                    727: 	my $who=&queue_key_locked($queue,$gradingkey);
                    728: 	if ($who eq $me) {
                    729: 	    &Apache::lonxml::debug("Found a key was given to me");
                    730: 	    return ($gradingkey,'selected');
                    731: 	} else {
                    732: 	    return (undef,'show_list');
                    733: 	}
                    734: 
                    735:     }
                    736: 
                    737:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    738: 	if ($env{'form.gradingaction'} eq 'resume') {
                    739: 	    delete($env{'form.gradingaction'});
                    740: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  741: 	    return ($gradingkey);
1.33      albertel  742: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    743: 	    &Apache::lonxml::debug("Unlocking a key ".
                    744: 				     &check_queue_unlock($queue,$gradingkey,1));
                    745: 	    return (undef,'unlock');
                    746: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    747: 	    &Apache::lonxml::debug("Locking a key");
                    748: 	    if (&lock_key($queue,$gradingkey)) {
                    749: 		&Apache::lonxml::debug("Success $queue");
                    750: 		return ($gradingkey);
                    751: 	    }
                    752: 	    &Apache::lonxml::debug("Failed $queue");
                    753: 	    return (undef,'lock_failed');
1.32      albertel  754: 	}
                    755:     }
1.33      albertel  756: 
                    757:     if ($env{'form.queuemode'} ne 'selected') {
                    758: 	# don't get something new from the queue if they hit the stop button
                    759:     	if (!($env{'form.stop'} && $target eq 'webgrade') 
                    760: 	    && !$env{'form.gradingaction'}) {
                    761: 	    &Apache::lonxml::debug("Getting anew $queue");
                    762: 	    return (&get_from_queue($queue));
                    763: 	} else {
                    764: 	    return (undef,'stop');
                    765: 	}
1.32      albertel  766:     }
1.33      albertel  767:     return (undef,undef)
1.32      albertel  768: }
1.94      albertel  769: 
                    770: sub minimize_storage {
                    771:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    772: 	if ($key =~ /regrader$/) { next; }
                    773: 	if ($Apache::lonhomework::results{$key} eq
                    774: 	    $Apache::lonhomework::history{$key}) {
                    775: 	    delete($Apache::lonhomework::results{$key});
                    776: 	}
                    777:     }
                    778: }
                    779: 
1.1       albertel  780: sub end_Task {
                    781:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    782:     my $result='';
                    783:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  784:     my ($version,$previous)=&get_version();
1.1       albertel  785:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  786: 	$target eq 'tex') {
1.69      albertel  787: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  788: 	    if ($target eq 'web') {
1.54      albertel  789: 		if (&show_task($status,$previous)) {
                    790: 		    $result.=&Apache::lonxml::endredirection();
                    791: 		}
1.64      albertel  792: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    793: 		    !$env{'form.donescreen'}) {
1.15      albertel  794: 		    $result.="\n".'<table border="1">'.
1.28      albertel  795: 			&Apache::inputtags::file_selector("$version.0",
                    796: 							  "bridgetask","*",
1.46      albertel  797: 							  'portfolioonly',
                    798: 							  '
                    799: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    800: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  801: 							  "</table>";
1.77      albertel  802: 		}
1.78      albertel  803: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    804: 		    &show_task($status,$previous)) {
1.9       albertel  805: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  806: 		    $result.='</form>';
                    807: 		    $result.=<<DONEBUTTON;
                    808: <form method="POST">
                    809:    <input type="hidden" name="donescreen" value="1" />
                    810:    <input type="submit" value="Done" />
                    811: </form>
                    812: DONEBUTTON
1.77      albertel  813:                 }
1.56      albertel  814: 		if (&show_task($status,$previous) &&
1.89      albertel  815: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    816: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  817: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  818: 
                    819: 		    my $slot_name=
1.89      albertel  820: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.80      albertel  821: 		    my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  822: 		    my $start_time=
                    823: 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
1.54      albertel  824: 
1.80      albertel  825: 		    my $status = "\n<div class='$bt_status'>\n";
1.54      albertel  826: 		    
                    827: 		    if ($bt_status eq 'pass')  {
                    828: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  829: 			    $start_time.'</h2>';
1.54      albertel  830: 		    }
                    831: 		    if ($bt_status eq 'fail')  {
                    832: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  833: 			    $start_time.'</h2>';
1.54      albertel  834: 			if (!$previous) {
                    835: 			    $status.=&add_request_another_attempt_button();
                    836: 			}
                    837: 		    }
                    838: 		    my $man_count=0;
                    839: 		    my $opt_count=0;
                    840: 		    my $opt_passed=0;
                    841: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    842: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    843: 			    eq 'N') {
                    844: 			    $opt_count++;
1.89      albertel  845: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  846: 				$opt_passed++;
                    847: 			    }
                    848: 			} else {
                    849: 			    $man_count++;
                    850: 			}
                    851: 		    }
                    852: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    853: 							 $parstack,$safeeval);
                    854: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.99      albertel  855: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
1.54      albertel  856: 
                    857: 		    my $internal_location=&internal_location();
                    858: 		    $result=~s/\Q$internal_location\E/$status/;
                    859: 		}
1.13      albertel  860: 	    } 
                    861: 	    if ($target eq 'web' || $target eq 'webgrade') {
1.1       albertel  862: 		$result.=&Apache::lonxml::xmlend().'</html>';
                    863: 	    }
                    864: 	}
1.29      albertel  865: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  866: 	    my $award='SUBMITTED';
1.28      albertel  867: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  868: 						    'portfiles',\$award);
1.14      albertel  869: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  870: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    871: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    872: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    873: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    874: 
                    875: 		$Apache::lonhomework::results{"resource.0.award"}=
                    876: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    877: 		    $award;
1.51      albertel  878: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    879: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  880: 	    } else {
                    881: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  882: 		$award = '';
1.10      albertel  883: 	    }
1.4       albertel  884: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    885: 	    &Apache::structuretags::finalize_storage();
1.83      albertel  886: 	    if ($award eq 'SUBMITTED'
                    887: 		&& defined($Apache::inputtags::slot_name)) {
1.82      albertel  888: 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
1.14      albertel  889: 	    }
1.79      albertel  890: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    891: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  892: 	}
1.32      albertel  893: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  894: 	    my $optional_required=
                    895: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    896: 					   $safeeval);
                    897: 	    my $optional_passed=0;
                    898: 	    my $mandatory_failed=0;
                    899: 	    my $ungraded=0;
                    900: 	    my $review=0;   
1.21      albertel  901: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  902: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    903: 		my $status=
1.89      albertel  904: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  905: 		my $mandatory=
                    906: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    907: 		if ($status eq 'pass') {
                    908: 		    if (!$mandatory) { $optional_passed++; }
                    909: 		} elsif ($status eq 'fail') {
                    910: 		    if ($mandatory) { $mandatory_failed++; }
                    911: 		} elsif ($status eq 'ungraded') {
                    912: 		    $ungraded++;
                    913: 		} elsif ($status eq 'review') {
                    914: 		    $review++;
1.49      albertel  915: 		} else {
                    916: 		    $ungraded++;
                    917: 		}
1.20      albertel  918: 	    }
                    919: 	    if ($optional_passed < $optional_required) {
                    920: 		$mandatory_failed++;
                    921: 	    }
1.21      albertel  922: 	    &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  923: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.20      albertel  924: 		$env{'user.name'}.'@'.$env{'user.domain'};
                    925: 	    if ($review) {
1.89      albertel  926: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  927: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    928: 		    &check_queue_unlock($env{'form.queue'});
                    929: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    930: 		} else {
1.49      albertel  931: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  932: 		}
1.20      albertel  933: 	    } elsif ($ungraded) {
1.89      albertel  934: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  935: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    936: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  937: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  938: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  939: 		} else {
                    940: 		    &check_queue_unlock($env{'form.queue'});
                    941: 		}
1.20      albertel  942: 	    } elsif ($mandatory_failed) {
1.89      albertel  943: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  944: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    945: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    946: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  947: 		&remove_from_queue($env{'form.queue'}); 
                    948: 
                    949: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  950: 		
                    951: 		if ($env{'form.regrade'} ne 'yes') {
                    952: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    953: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    954: 		    &Apache::grades::version_portfiles(
                    955: 						       \%Apache::lonhomework::results,
                    956: 						       ["$version.0.bridgetask"],$courseid,
                    957: 						       $symb,$udom,$uname,
                    958: 						       ["$version.0.bridgetask"]);
                    959: 		}
1.20      albertel  960: 	    } else {
1.89      albertel  961: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  962: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                    963: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                    964: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel  965: 		&remove_from_queue($env{'form.queue'});
1.39      albertel  966: 
                    967: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  968: 		if ($env{'form.regrade'} ne 'yes') {
                    969: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    970: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    971: 		    &Apache::grades::version_portfiles(
                    972: 						       \%Apache::lonhomework::results,
                    973: 						       ["$version.0.bridgetask"],$courseid,
                    974: 						       $symb,$udom,$uname,
                    975: 						       ["$version.0.bridgetask"]);
                    976: 		}
1.20      albertel  977: 	    }
1.89      albertel  978: 	    $Apache::lonhomework::results{"resource.0.status"}=
                    979: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel  980: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel  981: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel  982: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel  983: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel  984: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel  985: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel  986: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel  987: 	    }
1.94      albertel  988: 	    &minimize_storage();
1.21      albertel  989: 	    &Apache::structuretags::finalize_storage();
1.20      albertel  990: 	}
1.15      albertel  991:     } elsif ($target eq 'webgrade') {
1.111   ! albertel  992: 	$result.="</div>\n<hr />";
1.20      albertel  993: 	#$result.='<input type="submit" name="next" value="'.
                    994: 	#    &mt('Save &amp; Next').'" /> ';
                    995: 	#$result.='<input type="submit" name="end" value="'.
                    996: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                    997: 	#$result.='<input type="submit" name="throwaway" value="'.
                    998: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                    999: 	#$result.='<input type="submit" name="save" value="'.
                   1000: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.15      albertel 1001: 	$result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
1.1       albertel 1002:     } elsif ($target eq 'meta') {
1.70      albertel 1003: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1004:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1005: 						      'Problem Status');
                   1006: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1007: 						      'Number of Attempts');
                   1008: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1009: 						      'Partial Credit Factor');
                   1010: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1011: 						      'Bridge Task Status');
1.1       albertel 1012:     }
1.4       albertel 1013:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1014:     return $result;
                   1015: }
                   1016: 
1.31      albertel 1017: sub move_between_queues {
                   1018:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1019:     my $cur_data;
                   1020:     if ($src_queue ne 'none') {
                   1021: 	$cur_data=&get_queue_data($src_queue);
                   1022: 	if (!$cur_data) { return 'not_exist'; }
                   1023:     } else {
                   1024: 	$cur_data = ['none'];
                   1025:     }
1.82      albertel 1026:     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
1.31      albertel 1027:     if ($result ne 'ok') {
                   1028: 	return $result;
                   1029:     }
                   1030:     &check_queue_unlock($src_queue);
                   1031:     return &remove_from_queue($src_queue);
1.21      albertel 1032: }
                   1033: 
                   1034: sub check_queue_unlock {
1.32      albertel 1035:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1036:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel 1037:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel 1038:     if (!defined($key)) {
                   1039: 	$key="$symb\0queue\0$uname\@$udom";
                   1040:     }
1.30      albertel 1041:     my $cnum=$env{'course.'.$cid.'.num'};
                   1042:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1043:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1044:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1045:     if  ($who eq $me) {
1.32      albertel 1046: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1047:     } elsif ($allow_not_me) {
1.33      albertel 1048: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1049: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1050:     }
1.32      albertel 1051:     return 'not_owner';
1.21      albertel 1052: }
                   1053: 
1.88      albertel 1054: sub in_queue {
                   1055:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1056:     if ($queue eq 'none') { return 0; }
                   1057:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1058: 	|| !defined($udom) || !defined($uname)) {
                   1059: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1060: 	$cnum=$env{'course.'.$cid.'.num'};
                   1061: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1062:     }
                   1063: 
                   1064:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1065:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1066: 
                   1067:     if (defined($results{$key})) {
                   1068: 	return 1;
                   1069:     }
                   1070:     return 0;
                   1071: }
                   1072: 
1.21      albertel 1073: sub remove_from_queue {
1.86      albertel 1074:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1075:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1076:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1077: 	|| !defined($udom) || !defined($uname)) {
                   1078: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1079: 	$cnum=$env{'course.'.$cid.'.num'};
                   1080: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1081:     }
1.88      albertel 1082:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1083: 	return 'ok';
                   1084:     }
1.86      albertel 1085:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1086:     my @keys=($key,"$key\0locked");
1.31      albertel 1087:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1088: }
                   1089: 
1.16      albertel 1090: sub setup_env_for_other_user {
                   1091:     my ($queue_key,$safeeval)=@_;
                   1092:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1093:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1094:     $env{'form.grade_symb'}=$symb;
                   1095:     $env{'form.grade_domain'}=$udom;
                   1096:     $env{'form.grade_username'}=$uname;
                   1097:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1098:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1099: }
                   1100: 
1.31      albertel 1101: sub get_queue_data {
                   1102:     my ($queue)=@_;
                   1103:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1104:     my $cnum=$env{'course.'.$cid.'.num'};
                   1105:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1106:     my $todo="$symb\0queue\0$uname\@$udom";
                   1107:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1108:     if ($key eq $todo && ref($value)) {
                   1109: 	return $value;
                   1110:     }
                   1111:     return undef;
                   1112: }
                   1113: 
1.84      albertel 1114: 
1.49      albertel 1115: sub check_queue_for_key {
1.84      albertel 1116:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1117: 
1.49      albertel 1118:     my %results=
                   1119: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1120:     
                   1121:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1122: 	if (defined($results{"$todo\0locked"})) {
                   1123: 	    return 'locked';
                   1124: 	}
1.86      albertel 1125: 	my $slot;
                   1126: 	if (ref($results{$todo}) eq 'ARRAY')  {
                   1127: 	    $slot = $results{$todo}[0];
                   1128: 	} elsif (ref($results{$todo}) eq 'HASH')  {
                   1129: 	    $slot = $results{$todo}{'slot'};
                   1130: 	}
                   1131: 	if (defined($slot)) {
                   1132: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1133: 	    if ($slot_data{'endtime'} > time) { 
                   1134: 		return 'in_progress';
                   1135: 	    }
1.58      albertel 1136: 	}
1.49      albertel 1137: 	return 'enqueued';
                   1138:     }
                   1139:     return undef;
                   1140: }
                   1141: 
1.14      albertel 1142: sub add_to_queue {
1.82      albertel 1143:     my ($queue,$user_data)=@_;
1.49      albertel 1144:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1145:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1146:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1147: 	return 'no_queue';
                   1148:     }
1.14      albertel 1149:     my $cnum=$env{'course.'.$cid.'.num'};
                   1150:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1151:     my %data;
1.82      albertel 1152:     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
1.83      albertel 1153:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1154: }
                   1155: 
                   1156: sub show_queue {
1.32      albertel 1157:     my ($queue,$with_selects)=@_;
1.14      albertel 1158:     my $result;
                   1159:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1160:     my $cnum=$env{'course.'.$cid.'.num'};
                   1161:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1162: 
                   1163:     my @chosen_sections=
                   1164: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1165:     &Apache::grades::init_perm();
                   1166:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1167:     &Apache::grades::reset_perm();
1.63      albertel 1168:     if (!(grep(/^all$/,@chosen_sections))) {
                   1169: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1170: 	    '</tt>.</p> '."\n";
                   1171:     }
1.59      albertel 1172: 
1.16      albertel 1173:     my $regexp="^$symb\0";
1.30      albertel 1174:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1175:     my ($tmp)=%queue;
                   1176:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1177: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1178:     }
1.103     albertel 1179:     my $title=&Apache::lonnet::gettitle($symb);
                   1180:     $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
                   1181:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
                   1182:     $result.="<th>user</th><th>data</th></tr>";
1.14      albertel 1183:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1184: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1185: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1186: 	if ($key=~/locked$/ && !$with_selects) {
1.103     albertel 1187: 	    $result.="<tr><td>$uname</td>";
                   1188: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1189: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.103     albertel 1190: 	    $result.="<tr><td></td>";
                   1191: 	    $result.='<td>'.
1.16      albertel 1192: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1193: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1194: 	    $result.="<tr>";
1.35      albertel 1195: 	    my $slot=$queue{$key}->[0];
                   1196: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
1.32      albertel 1197: 	    if ($with_selects) {
                   1198: 		my $ekey=&Apache::lonnet::escape($key);
1.103     albertel 1199: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1200: 		if (exists($queue{"$key\0locked"})) {
                   1201: 		    my $me=$env{'user.name'}.'@'.$env{'user.domain'};
1.103     albertel 1202: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1203: 		    if ($me eq $queue{"$key\0locked"}) {
                   1204: 			($action,$description)=('resume',&mt('Resume'));
                   1205: 		    } else {
                   1206: 			($action,$description)=('unlock',&mt('Unlock'));
                   1207: 		    }
                   1208: 		}
1.62      albertel 1209: 		my $seclist;
                   1210: 		foreach my $sec (@chosen_sections) {
                   1211: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1212:                                value="'.$sec.'" />';
                   1213: 		}
1.35      albertel 1214: 		if (time > $slot_data{'endtime'}) {
                   1215: 		    $result.=(<<FORM);
1.103     albertel 1216: <td>$status</td>
1.32      albertel 1217: <td>
1.103     albertel 1218: <form style="display: inline" method="POST">
1.32      albertel 1219:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1220:  <input type="hidden" name="queue" value="$queue" />
                   1221:  <input type="hidden" name="gradingaction" value="$action" />
                   1222:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1223:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1224:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1225:  $seclist
1.32      albertel 1226: </form>
                   1227: </td>
                   1228: FORM
1.35      albertel 1229: 
                   1230:                 } else {
                   1231: 		    $result.='<td>'.&mt("In Progress").'</td>'
                   1232: 		}
1.32      albertel 1233: 	    }
1.104     albertel 1234: 	    $result.= "<td>".$fullname->{$uname.':'.$udom}.
                   1235: 		" <tt>($uname\@$udom)</tt> </td>";
1.103     albertel 1236: 	    $result.='<td>Slot: '.$slot.' End time: '.
1.20      albertel 1237: 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
                   1238: 		"</td></tr>";
1.16      albertel 1239: 	}
1.14      albertel 1240:     }
1.15      albertel 1241:     $result.="</table><hr />\n";
1.14      albertel 1242:     return $result;
                   1243: }
                   1244: 
1.34      albertel 1245: sub get_queue_counts {
                   1246:     my ($queue)=@_;
                   1247:     my $result;
                   1248:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1249:     my $cnum=$env{'course.'.$cid.'.num'};
                   1250:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1251:     my $regexp="^$symb\0";
                   1252:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1253:     my ($tmp)=%queue;
                   1254:     if ($tmp=~/^error: 2 /) {
                   1255: 	return (0,0,0);
                   1256:     }
                   1257:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1258:     my %slot_cache;
1.34      albertel 1259:     foreach my $key (sort(keys(%queue))) {
                   1260: 	if ($key=~/locked$/) {
                   1261: 	    $locks++;
                   1262: 	} elsif ($key=~/timestamp$/) {
                   1263: 	    #ignore
                   1264: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1265: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1266: 	    $entries++;
                   1267: 	    my $slot=$queue{$key}->[0];
1.96      albertel 1268: 	    if (!exists($slot_cache{$slot})) {
                   1269: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1270: 		$slot_cache{$slot} = \%slot_data;
                   1271: 	    }
                   1272: 	    if (time > $slot_cache{$slot}{'endtime'}) {
1.34      albertel 1273: 		$ready_to_grade++;
                   1274: 	    }
                   1275: 	}
                   1276:     }
                   1277:     return ($entries,$ready_to_grade,$locks);
                   1278: }
                   1279: 
1.49      albertel 1280: sub encode_queue_key {
                   1281:     my ($symb,$udom,$uname)=@_;
                   1282:     return "$symb\0queue\0$uname\@$udom";
                   1283: }
                   1284: 
1.14      albertel 1285: sub decode_queue_key {
                   1286:     my ($key)=@_;
                   1287:     my ($symb,undef,$user) = split("\0",$key);
                   1288:     my ($uname,$udom) = split('@',$user);
                   1289:     return ($symb,$uname,$udom);
                   1290: }
                   1291: 
                   1292: sub queue_key_locked {
1.30      albertel 1293:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1294:     if (!defined($cdom) || !defined($cnum)) {
                   1295: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1296: 	$cnum=$env{'course.'.$cid.'.num'};
                   1297: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1298:     }
1.14      albertel 1299:     my ($key_locked,$value)=
1.30      albertel 1300: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1301:     if ($key_locked eq "$key\0locked") {
                   1302: 	return $value;
                   1303:     }
                   1304:     return undef;
                   1305: }
                   1306: 
                   1307: sub pick_from_queue_data {
1.30      albertel 1308:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
1.98      albertel 1309:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1310:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1311: 	if ($key =~ /\0locked$/) { next; }
                   1312: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1313: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1314: 	if ($check_section) {
                   1315: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1316: 	    if ($section eq $check_section) {
1.33      albertel 1317: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1318: 		next;
                   1319: 	    }
1.14      albertel 1320: 	}
1.30      albertel 1321: 	my $slot=$queuedata->{$key}[0];
1.14      albertel 1322: 	my %slot_data=&Apache::lonnet::get_slot($slot);
1.15      albertel 1323: 	if ($slot_data{'endtime'} > time) { 
1.33      albertel 1324: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1325: 	    next;
                   1326: 	}
1.98      albertel 1327: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1328: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1329: 	    next;
                   1330: 	}
1.98      albertel 1331: 	push(@possible,[$key,$slot_data{'endtime'}]);
                   1332:     }
                   1333:     if (@possible) {
                   1334:         # sort entries in order by slot end time
                   1335: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
                   1336: 	# pick one of the first ten entries
                   1337: 	my $max=($#possible < 10) ? $#possible : 10;
                   1338: 	return $possible[int(rand($max))][0];
1.14      albertel 1339:     }
                   1340:     return undef;
                   1341: }
                   1342: 
1.15      albertel 1343: sub find_mid_grade {
1.30      albertel 1344:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1345:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.15      albertel 1346:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1347:     if ($todo) {
1.30      albertel 1348: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1349: 	if ($who eq $me) { return $todo; }
                   1350:     }
                   1351:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1352:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1353:     foreach my $key (keys(%locks)) {
                   1354: 	my $who=$locks{$key};
                   1355: 	if ($who eq $me) {
                   1356: 	    $todo=$key;
                   1357: 	    $todo=~s/\0locked$//;
                   1358: 	    return $todo;
                   1359: 	}
                   1360:     }
                   1361:     return undef;
                   1362: }
                   1363: 
1.32      albertel 1364: sub lock_key {
                   1365:     my ($queue,$todo)=@_;
                   1366:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1367:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1368:     my $cnum=$env{'course.'.$cid.'.num'};
                   1369:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1370:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1371: 					$cdom,$cnum);
1.33      albertel 1372:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1373:     if ($success eq 'ok') {
                   1374: 	return 1;
                   1375:     }
                   1376:     return 0;
                   1377: }
                   1378: 
1.86      albertel 1379: sub get_queue_symb_status {
1.85      albertel 1380:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1381:     if (!defined($cdom) || !defined($cnum)) {
                   1382: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1383: 	$cnum=$env{'course.'.$cid.'.num'};
                   1384: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1385:     }
                   1386:     my $regexp="^$symb\0";
                   1387:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1388:     my ($tmp)=%queue;
                   1389:     if ($tmp=~/^error: 2 /) { return; }
                   1390:     my @users;
                   1391:     foreach my $key (sort(keys(%queue))) {
                   1392: 	next if ($key=~/locked$/);
                   1393: 	next if ($key=~/timestamp$/);
                   1394: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1395: 	push(@users,"$uname:$udom");
                   1396:     }
                   1397:     return @users;
                   1398: }
                   1399: 
1.14      albertel 1400: sub get_from_queue {
1.30      albertel 1401:     my ($queue)=@_;
1.14      albertel 1402:     my $result;
                   1403:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1404:     my $cnum=$env{'course.'.$cid.'.num'};
                   1405:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1406:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1407:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1408:     if ($todo) { return $todo; }
1.95      albertel 1409:     my $attempts=0;
1.14      albertel 1410:     while (1) {
1.95      albertel 1411: 	if ($attempts > 2) {
                   1412: 	    # tried twice to get a queue entry, giving up
                   1413: 	    return (undef,'unable');
                   1414: 	}
1.14      albertel 1415: 	my $starttime=time;
1.83      albertel 1416: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1417: 			      $cdom,$cnum);
1.33      albertel 1418: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1419: 	my $regexp="^$symb\0queue\0";
1.97      albertel 1420: 	my $range= ($attempts < 1 ) ? '0-100' : '0-400';
                   1421: 
1.98      albertel 1422: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1423: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1424: 	if ($env{'request.course.sec'}) {
1.33      albertel 1425: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1426: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1427: 					\%queue,$cdom,$cnum);
1.33      albertel 1428: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1429: 	}
1.33      albertel 1430: 	# no one _not_ in our section so look for any user that is
                   1431: 	# ready for grading
1.14      albertel 1432: 	if (!$todo) {
1.33      albertel 1433: 	    &Apache::lonxml::debug("no sce");
1.98      albertel 1434: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);
1.33      albertel 1435: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1436: 	}
                   1437: 	# no user to grade 
                   1438: 	if (!$todo) { last; }
1.33      albertel 1439: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1440: 	# otherwise found someone so lets try to lock them
1.32      albertel 1441: 	# unless someone else already picked them
1.95      albertel 1442: 	if (!&lock_key($queue,$todo)) {
                   1443: 	    $attempts++;
                   1444: 	    next;
                   1445: 	}
1.14      albertel 1446: 	my (undef,$endtime)=
1.30      albertel 1447: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1448: 				 $cdom,$cnum);
1.33      albertel 1449: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1450: 	# someone else already modified the queue, 
                   1451: 	# perhaps our picked user wass already fully graded between
                   1452: 	# when we picked him and when we locked his record? so lets
                   1453: 	# double check.
                   1454: 	if ($endtime != $starttime) {
                   1455: 	    my ($key,$value)=
1.30      albertel 1456: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1457: 				     $cdom,$cnum);
1.33      albertel 1458: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1459: 	    if ($key eq $todo && ref($value)) {
                   1460: 	    } else {
1.30      albertel 1461: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1462: 				     $cdom,$cnum);
1.33      albertel 1463: 		&Apache::lonxml::debug("del");
1.95      albertel 1464: 		$attempts++;
1.14      albertel 1465: 		next;
                   1466: 	    }
                   1467: 	}
1.33      albertel 1468: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1469: 	last;
                   1470:     }
                   1471:     return $todo;
                   1472: }
                   1473: 
1.49      albertel 1474: sub select_user {
                   1475:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1476: 
1.59      albertel 1477:     my @chosen_sections=
                   1478: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1479:     &Apache::grades::init_perm();
1.59      albertel 1480:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1481:     &Apache::grades::reset_perm();
1.63      albertel 1482:     
                   1483:     my $result;
                   1484:     if (!(grep(/^all$/,@chosen_sections))) {
                   1485: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1486: 	    '</tt>.</p> '."\n";
                   1487:     }
                   1488:     $result.='<table border="1">';
1.49      albertel 1489: 
                   1490:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1491: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1492: 	
1.84      albertel 1493: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1494: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1495: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1496: 					 'Task');
1.49      albertel 1497: 	my $queue = 'none';
1.58      albertel 1498: 	my $cannot_grade;
                   1499: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1500: 	    $queue = 'reviewqueue';
1.58      albertel 1501: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1502: 		$cannot_grade=1;
                   1503: 	    }
                   1504: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1505: 	    $queue = 'gradingqueue';
1.58      albertel 1506: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1507: 		$cannot_grade=1;
                   1508: 	    }
1.49      albertel 1509: 	}
                   1510: 	my $todo = 
                   1511: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1512: 	if ($cannot_grade) {
                   1513: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1514: 		'</td><td>';
                   1515: 	} else {
1.62      albertel 1516: 	    my $seclist;
                   1517: 	    foreach my $sec (@chosen_sections) {
                   1518: 		$seclist.='<input type="hidden" name="chosensections" 
                   1519:                                value="'.$sec.'" />';
                   1520: 	    }
1.102     albertel 1521: 	    my $studentdis = $student;
                   1522: 	    $studentdis =~ tr/:/@/;
1.58      albertel 1523: 	    $result.=<<RESULT;
1.49      albertel 1524: <tr>
                   1525:   <td>
1.102     albertel 1526:     <form style="display: inline" method="POST">
1.49      albertel 1527:       <input type="hidden" name="gradingkey" value="$todo" />
                   1528:       <input type="hidden" name="queue" value="$queue" />
                   1529:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1530:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1531:       <input type="submit" name="submit" value="Regrade" />
                   1532:       $seclist
1.49      albertel 1533:     </form>
1.102     albertel 1534:   <td>$fullname->{$student} <tt>($studentdis)</tt></td>
1.49      albertel 1535:   <td>
                   1536: RESULT
1.58      albertel 1537:         }
1.49      albertel 1538:         if ($status{'status'} eq 'pass') {
                   1539: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1540: 	} elsif ($status{'status'} eq 'fail') {
                   1541: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1542: 	} elsif ($status{'status'} eq 'review') {
                   1543: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1544: 	} elsif ($status{'status'} eq 'ungraded') {
                   1545: 	    $result .= &mt('Ungraded');
                   1546: 	} elsif ($status{'status'} ne '') {
                   1547: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1548: 	} else {
                   1549: 	    $result.="&nbsp;";
                   1550: 	}
                   1551: 	if ($status{'version'}) {
                   1552: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1553: 	}
1.101     albertel 1554: 	if ($status{'grader'}) {
                   1555: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1556: 	}
1.49      albertel 1557: 	$result.= '</td><td>';
                   1558: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1559: 	    $result .= &mt('Awaiting Review');
                   1560: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1561: 	    $result .= &mt('Under Review');
1.58      albertel 1562: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1563: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1564: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1565: 	    $result .= &mt('Awaiting Grading');
                   1566: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1567: 	    $result .= &mt('Being Graded');
1.58      albertel 1568: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1569: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1570: 	} else {
                   1571: 	    $result.="&nbsp;";
                   1572: 	}
                   1573: 	$result.= '</td></tr>';
                   1574:     }
                   1575:     $result.='</table>';
                   1576:     return $result;
                   1577: }
                   1578: 
                   1579: sub get_student_status {
1.86      albertel 1580:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1581: 
                   1582:     my %status;
                   1583: 
                   1584:     if ($type eq 'Task') {
                   1585: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1586: 					  $udom,$uname);
1.89      albertel 1587: 	$status{'status'}=$record{'resource.0.status'};
                   1588: 	$status{'version'}=$record{'resource.0.version'};
                   1589: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1590:     }
                   1591:     $status{'reviewqueue'}=
                   1592: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1593: 			     &encode_queue_key($symb,$udom,$uname));
                   1594:     $status{'gradingqueue'}=
                   1595: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1596: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1597:     return %status;
                   1598: }
                   1599: 
1.1       albertel 1600: sub start_ClosingParagraph {
                   1601:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1602:     my $result;
                   1603:     if ($target eq 'web') {
1.13      albertel 1604:     } elsif ($target eq 'webgrade') {
                   1605: 	&Apache::lonxml::startredirection();
1.1       albertel 1606:     }
                   1607:     return $result;
                   1608: }
                   1609: 
                   1610: sub end_ClosingParagraph {
                   1611:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1612:     my $result;
                   1613:     if ($target eq 'web') {
1.13      albertel 1614:     } elsif ($target eq 'webgrade') {
                   1615: 	&Apache::lonxml::endredirection();
1.1       albertel 1616:     }
                   1617:     return $result;
                   1618: }
                   1619: 
1.19      albertel 1620: sub get_id {
                   1621:     my ($parstack,$safeeval)=@_;
                   1622:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1623:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1624:     return $id;
                   1625: }
                   1626: 
1.1       albertel 1627: my %dimension;
                   1628: sub start_Dimension {
                   1629:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1630:     undef(%dimension);
1.19      albertel 1631:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1632:     $Apache::bridgetask::dimension=$dim_id;
                   1633:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1634:     undef(@Apache::bridgetask::instance);
1.20      albertel 1635:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1636: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1637:     &Apache::lonxml::startredirection();
                   1638:     return &internal_location($dim_id);
1.1       albertel 1639: }
                   1640: 
1.13      albertel 1641: sub get_instance {
1.75      albertel 1642:     my ($dim)=@_;
                   1643:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1644:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1645: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1646: 	$rand_alg eq '64bit4' ) {
                   1647: 	&Apache::response::pushrandomnumber();
                   1648: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1649: 	my $num=@order;
                   1650: 	my $version=&get_version();
                   1651: 	my $which=($version-1)%$num;
                   1652: 	return $order[$which];
                   1653:     } else {
                   1654: 	my ($version,$previous) = &get_version();
                   1655: 	my $instance = 
                   1656: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1657: 	if (defined($instance)) { return $instance; }
                   1658: 
                   1659: 	&Apache::response::pushrandomnumber();
                   1660: 	my @instances = @{$dimension{'instances'}};
                   1661: 	# remove disabled instances
                   1662: 	for (my $i=0; $i < $#instances; $i++) {
                   1663: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1664: 		splice(@instances,$i,1);
                   1665: 		$i--;
                   1666: 	    }
                   1667: 	}
                   1668: 	@instances = &Math::Random::random_permutation(@instances);
                   1669: 	$instance  = $instances[($version-1)%scalar(@instances)];
                   1670: 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1671: 	    $instance;
1.79      albertel 1672: 	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 1673: 	&Apache::response::poprandomnumber();
                   1674: 	return $instance;
                   1675:     }
1.13      albertel 1676: }
                   1677: 
1.18      albertel 1678: {
                   1679:     my $last_link;
                   1680:     sub end_Dimension {
                   1681: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1682: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1683: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1684: 	my $instance=&get_instance($dim);
1.25      albertel 1685: 	my $version=&get_version();
1.18      albertel 1686: 	if ($target eq 'web') {
1.47      albertel 1687: 	    @Apache::scripttag::parser_env = @_;
                   1688: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1689: 	    my @instances = $instance;
                   1690: 	    if (&Apache::response::showallfoils()) {
                   1691: 		@instances = @{$dimension{'instances'}};
                   1692: 	    }
                   1693: 	    foreach my $instance (@instances) {
                   1694: 		@Apache::scripttag::parser_env = @_;
                   1695: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89      albertel 1696: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1697: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1698: 
1.89      albertel 1699: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1700: 		    my $mandatory='Mandatory';
                   1701: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1702: 			$mandatory='Optional';
                   1703: 		    }
                   1704: 		    my $dim_info="<div class='$dim_status'>\n";
                   1705: 		    if ($dim_status eq 'pass') {
                   1706: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1707: 		    }
1.76      albertel 1708: 		    if ($dim_status eq 'fail') {
                   1709: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1710: 		    }
1.76      albertel 1711: 		    my $man_count=0;
                   1712: 		    my $man_passed=0;
                   1713: 		    my $opt_count=0;
                   1714: 		    my $opt_passed=0;
                   1715: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1716: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1717: 			    eq 'N') {
                   1718: 			    $opt_count++;
1.89      albertel 1719: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1720: 				$opt_passed++;
                   1721: 			    }
                   1722: 			} else {
                   1723: 			    $man_count++;
1.89      albertel 1724: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1725: 				$man_passed++;
                   1726: 			    }
                   1727: 			}
1.22      albertel 1728: 		    }
1.76      albertel 1729: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1730: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1731: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1732: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1733: 
                   1734: 		    my $internal_location=&internal_location($dim);
                   1735: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1736: 
                   1737: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1738: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
                   1739: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1740: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1741: 			if ($mandatory) {
                   1742: 			    $mandatory='Mandatory';
                   1743: 			} else {
                   1744: 			    $mandatory='Optional';
                   1745: 			}
                   1746: 			if ($status eq 'fail') {
                   1747: 			} elsif ($status eq 'pass') {
                   1748: 			} else {
                   1749: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1750: 			}
                   1751: 			my $status_display=$status;
                   1752: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1753: 			@Apache::scripttag::parser_env = @_;
                   1754: 			$result.='<div class="'.$status.'"><h4>'.$mandatory.
                   1755: 			    ' Criteria</h4><p>';
                   1756: 			@Apache::scripttag::parser_env = @_;
                   1757: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
                   1758: 			$result.='</p><p class="grade">'.$status_display.'</p>';
1.89      albertel 1759: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
1.100     albertel 1760: 			    $result.='<p class="comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';
1.76      albertel 1761: 			}
                   1762: 			$result.='</div>';
1.22      albertel 1763: 		    }
                   1764: 		}
                   1765: 	    }
1.18      albertel 1766: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1767: 	    # in case of any side effects that we need
                   1768: 	    @Apache::scripttag::parser_env = @_;
                   1769: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1770: 	    @Apache::scripttag::parser_env = @_;
                   1771: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1772: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1773: 		my $link='criteria_'.$instance.'_'.$id;
1.89      albertel 1774: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.111   ! albertel 1775: 		$result.='<div id="'.$link.'">'."\n".
        !          1776: 		    '<a name="'.$link.'" />'."\n".
        !          1777: 		    '<a name="next_'.$last_link.'" />'."\n".
        !          1778: 		    '<div class="criteriatext">'."\n";
1.47      albertel 1779: 		@Apache::scripttag::parser_env = @_;
                   1780: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.111   ! albertel 1781: 		$result.='</div>'."\n".
1.18      albertel 1782: 		    #$dimension{$instance.'.criteria.'.$id}.
1.111   ! albertel 1783: 		    '<div class="grade">'."\n".
        !          1784: 		    '<label class="ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
        !          1785: 		    '<label class="fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
        !          1786: 		    '<label class="pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
        !          1787: 		    '<label class="review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
        !          1788: 		    '</div>'."\n".
        !          1789: 		    '<label class="comment">'.&mt('Additional Comment for Student').'</label>'."\n".
        !          1790: 		    '<textarea class="comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".
        !          1791: 		    '</label>'."\n".
        !          1792: 		    '<ul class="navbuttons">'."\n".
        !          1793: 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
        !          1794: 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
        !          1795: 		    '</ul>'."\n".
        !          1796:                     '</div>'."\n";
1.18      albertel 1797: 		$last_link=$link;
                   1798: 	    }
1.22      albertel 1799: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1800: 	    my $optional_passed=0;
1.20      albertel 1801: 	    my $mandatory_failed=0;
                   1802: 	    my $ungraded=0;
                   1803: 	    my $review=0;
1.19      albertel 1804: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1805: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
                   1806: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
1.20      albertel 1807: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1808: 		if ($status eq 'pass') {
                   1809: 		    if (!$mandatory) { $optional_passed++; }
                   1810: 		} elsif ($status eq 'fail') {
                   1811: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1812: 		} elsif ($status eq 'review') {
                   1813: 		    $review++;
1.20      albertel 1814: 		} elsif ($status eq 'ungraded') {
                   1815: 		    $ungraded++;
1.21      albertel 1816: 		} else {
1.47      albertel 1817: 		    $ungraded++;
1.19      albertel 1818: 		}
                   1819: 	    }
1.20      albertel 1820: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1821: 		$mandatory_failed++;
                   1822: 	    }
1.21      albertel 1823: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1824: 	    if ($review) {
1.89      albertel 1825: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1826: 		    'review';
1.20      albertel 1827: 	    } elsif ($ungraded) {
1.89      albertel 1828: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1829: 		    'ungraded';
1.20      albertel 1830: 	    } elsif ($mandatory_failed) {
1.89      albertel 1831: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1832: 		    'fail';
1.20      albertel 1833: 	    } else {
1.91      albertel 1834: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1835: 		    'pass';
1.20      albertel 1836: 	    }
1.69      albertel 1837: 	} else {
                   1838: 	    # any other targets no output
                   1839: 	    undef($result);
1.13      albertel 1840: 	}
1.18      albertel 1841: 	return $result;
1.1       albertel 1842:     }
                   1843: }
                   1844: 
                   1845: sub start_IntroParagraph {
1.87      albertel 1846:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1847:     my $result;
1.13      albertel 1848:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1849: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1850: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1851: 	
                   1852: 	} elsif ($target eq 'webgrade') {
1.87      albertel 1853: 	    &Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.1       albertel 1854: 	}
1.47      albertel 1855: 	
1.1       albertel 1856:     }
                   1857:     return $result;
                   1858: }
                   1859: 
                   1860: sub end_IntroParagraph {
                   1861: }
                   1862: 
                   1863: sub start_Instance {
                   1864:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1865:     my $id=&get_id($parstack,$safeeval);
                   1866:     push(@{$dimension{'instances'}},$id);
                   1867:     push(@Apache::bridgetask::instance,$id);
                   1868:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1869:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1870: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1871:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1872:     if (lc($disabled) eq 'yes') {
                   1873: 	$dimension{$id.'.disabled'}='1';
                   1874:     }
1.1       albertel 1875:     return '';
                   1876: }
                   1877: 
                   1878: sub end_Instance {
                   1879: }
                   1880: 
                   1881: sub start_InstanceText {
1.87      albertel 1882:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 1883:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1884:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.13      albertel 1885:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1886: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 1887:     }
                   1888:     return '';
                   1889: }
                   1890: 
                   1891: sub end_InstanceText {
                   1892:     return '';
                   1893: }
                   1894: 
                   1895: sub start_Criteria {
1.87      albertel 1896:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 1897:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1898:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 1899:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 1900: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 1901: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 1902: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   1903: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 1904: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   1905:     }
                   1906:     return '';
                   1907: }
                   1908: 
1.47      albertel 1909: sub end_Criteria {
                   1910: }
                   1911: 
1.4       albertel 1912: sub proctor_validation_screen {
                   1913:     my ($slot) = @_;
                   1914:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 1915:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 1916:     my $name=&Apache::loncommon::plainname($user,$domain);
                   1917:     
1.4       albertel 1918:     my $msg;
1.11      albertel 1919:     if ($env{'form.proctorpassword'}) {
1.4       albertel 1920: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   1921: 	    .'</font></p>';
                   1922:     }
1.47      albertel 1923:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 1924:     my $result= (<<ENDCHECKOUT);
                   1925: <h2>Proctor Validation</h2>
                   1926:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   1927:     $msg
1.11      albertel 1928: <form name="checkout" method="POST" action="$env{'request.uri'}">
1.4       albertel 1929: <input type="hidden" name="validate" value="yes" />
                   1930: <input type="hidden" name="submitted" value="yes" />
                   1931: <table>
1.44      albertel 1932:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 1933:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 1934:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 1935: </table>
                   1936: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 1937: <table border="1">
                   1938:   <tr><td>
                   1939:     <table>
                   1940:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   1941:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 1942:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.44      albertel 1943:       <tr><td>Usename</td><td>$user\@$domain</td></tr>
                   1944:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   1945:     </table>
                   1946:   </tr></td>
                   1947: </table>
1.4       albertel 1948: </form>
                   1949: ENDCHECKOUT
                   1950:     return $result;
                   1951: }
                   1952: 
1.1       albertel 1953: 1;
                   1954: __END__

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