Annotation of loncom/homework/bridgetask.pm, revision 1.123

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.123   ! albertel    4: # $Id: bridgetask.pm,v 1.122 2006/03/28 19:55:43 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>';
1.115     albertel  158:     $result.='<form name="getprevious" method="post" action="';
1.29      albertel  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:     }
1.122     albertel  179:     my $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
1.59      albertel  180:     $sec_select .= "<option value='all' selected='selected'>all</option>\n";
                    181:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
1.122     albertel  182: 	$sec_select .= "<option value=\"$sec\">$sec</option>\n";
1.59      albertel  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();
1.123   ! albertel  216: 	$result.= '</p>';
1.105     albertel  217:   }
1.13      albertel  218:     return $result;
                    219: }
                    220: 
1.22      albertel  221: sub add_request_another_attempt_button {
1.38      albertel  222:     my ($text)=@_;
                    223:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  224:     my $result;
1.36      albertel  225:     my $symb=&Apache::lonnet::symbread();
1.37      albertel  226:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  227:     my $action='get_reservation';
1.37      albertel  228:     if ($slot_name) {
1.38      albertel  229: 	$text="Change reservation.";
                    230: 	$action='change_reservation';
1.37      albertel  231: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    232: 							      $slot);
                    233: 	$result.=(<<STUFF);
                    234: <p> Will be next available: $description </p>
                    235: STUFF
                    236:     }
1.38      albertel  237:     
                    238:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
                    239:     $symb=&Apache::lonnet::escape($symb);
1.115     albertel  240:     $result.='<form method="post" action="/adm/slotrequest">'.
1.38      albertel  241: 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
                    242: 	'<input type="hidden" name="command" value="'.$action.'" />'.
                    243: 	'<input type="submit" name="requestattempt" value="'.
                    244: 	&mt($text).'" />'.
                    245: 	'</form>';
1.25      albertel  246:     return $result;
1.22      albertel  247: }
                    248: 
1.30      albertel  249: sub preserve_grade_info {
                    250:     my $result;
                    251:     # if we are viewing someone else preserve that info
                    252:     if (defined $env{'form.grade_symb'}) {
                    253: 	foreach my $field ('symb','courseid','domain','username') {
                    254: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    255: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    256: 	}
                    257:     }
                    258:     return $result;
                    259: }
                    260: 
1.53      albertel  261: sub style {
                    262:     return (<<STYLE);
                    263: <style type="text/css">
1.116     albertel  264: .LC_fail, .LC_pass, .LC_neutral {
1.53      albertel  265:     position: relative;
                    266:     margin : 5px;
                    267:     margin-bottom :10px;
                    268:     padding : 4px;
                    269:     padding-left : 75px;
                    270: 	border : thin solid;
                    271:     font-weight : bolder;
                    272:     font-size: smaller;
                    273:     font-family: Arial;
                    274:     background-color : rgb(255,240,225);
                    275: }
                    276: 
1.116     albertel  277: .LC_fail h4, .LC_pass h4 {
1.53      albertel  278: 	position:absolute;
                    279: 	left: -4px;
                    280: 	top: -8px;
                    281: 	padding:2px;
                    282: 	margin:0;
                    283: 	background-color : rgb(255,240,225);
                    284: 	border : thin solid;
                    285: }
                    286: 
1.116     albertel  287: .LC_fail {
1.53      albertel  288: 	color: red;
                    289: }
                    290: 
1.116     albertel  291: .LC_pass {
1.53      albertel  292:     color : green;
                    293: }
                    294: 
1.116     albertel  295: .LC_neutral {
1.53      albertel  296: 	color : blue;
                    297: }
                    298: 
1.116     albertel  299: .LC_question {
1.53      albertel  300: 	border : thin solid black;
                    301: 	padding : 4px;
                    302: 	margin-bottom : 1em;
                    303: }
                    304: 
1.116     albertel  305: .LC_grade {
1.53      albertel  306: 	font-size: x-large;
                    307: 	font-family: Arial;
                    308: 	position:absolute;
                    309: 	left: 5px;
                    310: 	top: -5px;
                    311: 	width: 70px;
                    312: }
                    313: 
                    314: div#feedback h1 {
                    315:     color : inherit;
                    316: }
                    317: </style>
                    318: STYLE
                    319: 
                    320: }
                    321: 
1.54      albertel  322: sub show_task {
                    323:     my ($status,$previous)=@_;
                    324:     if (!$previous && (
                    325: 		       ( $status eq 'CLOSED' ) ||
                    326: 		       ( $status eq 'BANNED') ||
                    327: 		       ( $status eq 'UNAVAILABLE') ||
                    328: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    329: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    330: 		       ( $status eq 'WAITING_FOR_GRADE') ||
                    331: 		       ( $status eq 'INVALID_ACCESS') )) {
                    332: 	return 0;
                    333:     }
1.64      albertel  334:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  335:     return 1;
                    336: }
                    337: 
                    338: sub internal_location {
                    339:     my ($id)=@_;
                    340:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    341: }
                    342: 
1.60      albertel  343: sub submission_time_stamp {
                    344:     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
                    345:     my $submissiontime;
1.89      albertel  346:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  347:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
                    348: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
                    349: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
                    350: 	}
                    351:     }
                    352:     my $result;
                    353:     if ($submissiontime) {
1.89      albertel  354: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  355: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    356: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  357: 	my ($color,$when)=('#FF6666','after');
                    358: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  359: 	my $info;
                    360: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    361: 	$diff=int($diff/60);
                    362: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    363: 	$diff=int($diff/60);
                    364: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    365: 	$result='<p><font color="'.$color.'">'.
                    366: 	    &mt('Student submitted [_1] [_2] the deadline. 
                    367:                  (Submission was at [_3], end of period was [_4].)',
                    368: 		$info,$when,scalar(localtime($submissiontime)),
                    369: 		scalar(localtime($slot{'endtime'}))).
                    370: 		'</font></p>';
                    371:     }
                    372:     return $result;
                    373: }
                    374: 
1.119     albertel  375: sub file_list {
                    376:     my ($files,$uname,$udom) = @_;
                    377:     if (!defined($uname) || !defined($udom)) {
                    378: 	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
                    379:     }
1.70      albertel  380:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.119     albertel  381: 
1.120     albertel  382:     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
1.119     albertel  383:     foreach my $partial_file (split(',',$files)) {
1.70      albertel  384: 	my $file=$file_url.$partial_file;
                    385: 	$file=~s|/+|/|g;
                    386: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.73      albertel  387: 	$file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
1.109     albertel  388: 	    &Apache::loncommon::icon($file).'" border="0"> '.$file.
1.70      albertel  389: 	    '</a></nobr></li>'."\n";
                    390:     }
                    391:     $file_list.="</ul>\n";
1.119     albertel  392:     return $file_list;
                    393: }
                    394: 
                    395: sub webgrade_standard_info {
                    396:     my ($version)=&get_version();
                    397: 
                    398:     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
1.70      albertel  399: 
1.118     albertel  400:     my %lt=&Apache::lonlocal::texthash('done' => 'Next Item',
                    401: 				       'stop' => 'Quit Grading',
1.70      albertel  402: 				       );
                    403: 				       
                    404:     my $result=<<INFO;
1.120     albertel  405:   <div class="LC_GRADING_maincontrols">
1.111     albertel  406:     <input type="submit" name="next" value="$lt{'done'}" />
                    407:     <input type="submit" name="stop" value="$lt{'stop'}" />
                    408:   </div>
1.70      albertel  409:   $file_list
                    410: INFO
                    411:     return $result;
                    412: }
                    413: 
1.1       albertel  414: sub start_Task {
1.87      albertel  415:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  416: 
1.4       albertel  417:     my ($status,$accessmsg,$slot);
1.16      albertel  418:     if ($target ne 'webgrade') {
1.70      albertel  419: 	&Apache::structuretags::init_problem_globals('Task');
1.16      albertel  420: 	&Apache::structuretags::initialize_storage();
                    421: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  422: 	if ($env{'request.state'} eq 'construct') {
                    423: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    424: 	}
1.16      albertel  425:     } 
                    426: 
1.4       albertel  427:     $Apache::lonhomework::parsing_a_task=1;
1.1       albertel  428:     #should get back a <html> or the neccesary stuff to start XML/MathML
                    429:     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
                    430: 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.16      albertel  431:     
1.121     albertel  432:     $body_tag_start .= '<div class="LC_task">'."\n";
1.123   ! albertel  433: 
        !           434:     if ($target eq 'web' || $target eq 'webgrade') {
        !           435: 	$head_tag_start.='<title>'.
        !           436: 	    &Apache::structuretags::get_resource_name($parstack,$safeeval).
        !           437: 	    '</title>';
        !           438:     }
        !           439: 
1.74      albertel  440:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.13      albertel  441: 	if ($Apache::lonhomework::modifygrades) {
1.115     albertel  442: 	    $body_tag_start.='<form name="gradesubmission" method="post" action="';
1.13      albertel  443: 	    my $uri=$env{'request.uri'};
                    444: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    445: 	    $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  446: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  447: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.115     albertel  448: 		$body_tag_start.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  449: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    450: 		    '<input type="hidden" name="command" value="showslots" />'.
                    451: 		    '<input type="submit" name="requestattempt" value="'.
                    452: 		    &mt('Show Slot list').'" />'.
                    453: 		    '</form>';
1.108     albertel  454: 		my $target_id = 
                    455: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    456: 							     part => '0'});
1.115     albertel  457: 		$body_tag_start.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  458: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    459: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    460: 		    '<input type="submit" name="grading" value="'.
                    461: 		    &mt('Show Grading Status').'" />'.
                    462: 		    '</form>';
1.40      albertel  463: 	    }
1.13      albertel  464: 	}
1.8       albertel  465:     }
1.74      albertel  466:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    467: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    468:     }
1.21      albertel  469:     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
1.1       albertel  470: 	$target eq 'tex') {
1.29      albertel  471: 	my ($version,$previous)=&get_version();
1.14      albertel  472: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  473: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.9       albertel  474: 	push(@Apache::inputtags::status,$status);
1.14      albertel  475: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  476: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  477: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  478: 	&Apache::run::run($expression,$safeeval);
                    479: 	&Apache::lonxml::debug("Got $status");
1.25      albertel  480: 	$body_tag_start.=&add_previous_version_button($status);
1.54      albertel  481: 	if (!&show_task($status,$previous)) {
1.87      albertel  482: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  483: 	    if ( $target eq "web" ) {
1.4       albertel  484: 		$result.= $head_tag_start.'</head>'.$body_tag_start;
1.74      albertel  485: 		if ($env{'request.state'} eq 'construct') {
                    486: 		    $result.=$form_tag_start;
                    487: 		}
1.4       albertel  488: 		my $msg;
1.1       albertel  489: 		if ($status eq 'UNAVAILABLE') {
                    490: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  491: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    492: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  493: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  494: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    495: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    496: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  497: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    498: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  499: 		} elsif ($env{'form.donescreen'}) {
                    500: 		    my $title=&Apache::lonnet::gettitle();
1.67      albertel  501: 		    my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
1.114     albertel  502: 		    my (undef,undef,$domain,$user)=
                    503: 			&Apache::lonxml::whichuser();
                    504: 		    my $files = '<ul>';
                    505: 		    foreach my $file (@files) {
                    506: 			my $url="/uploaded/$domain/$user/portfolio$file";
                    507: 			if (! &Apache::lonnet::stat_file($url)) {
                    508: 			    $file = &mt('<font color="red"> Nonexistant file:</font> <tt>[_1]</tt>',$file);
                    509: 			} else {
                    510: 			    $file = '<tt>'.$file.'</tt>';
                    511: 			}
                    512: 			$files .= '<li>'.$file.'</li>';
                    513: 		    }
                    514: 		    $files.='</ul>';
                    515: 
1.64      albertel  516: 		    $result.=<<DONESCREEN;
                    517: <h2>$title</h2>
                    518: <p> Files submitted: $files </p>
1.67      albertel  519: <p> You are now done with this Bridge Task </p>
1.64      albertel  520: <hr />
                    521: <p> <a href="/adm/logout">Logout</a> </p>
                    522: <p> <a href="/adm/roles">Change to a different course</a> </p>
                    523: DONESCREEN
1.1       albertel  524: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    525: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    526: 		}
                    527: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    528: 		    $msg.='The problem '.$accessmsg;
                    529: 		}
                    530: 		$result.=$msg.'<br />';
                    531: 	    } elsif ($target eq 'tex') {
                    532: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    533: 		if ($status eq 'UNAVAILABLE') {
                    534: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    535: 		} else {
                    536: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    537: 		}
1.22      albertel  538: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  539: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  540: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    541: 		       && defined($Apache::inputtags::slot_name)) {
1.77      albertel  542: 			my $result=&add_to_queue('gradingqueue',
1.82      albertel  543: 						 [$Apache::inputtags::slot_name]);
1.77      albertel  544: 			&Apache::lonxml::debug("add_to_queue said $result");
                    545: 		    }
1.4       albertel  546: 		}
1.1       albertel  547: 	    }
                    548: 	} elsif ($target eq 'web') {
1.123   ! albertel  549: 	    $result.="$head_tag_start</head>
1.53      albertel  550:               $body_tag_start \n".&style();
1.36      albertel  551: 	    
1.57      albertel  552: 	    $result.=&preserve_grade_info();
                    553: 	    $result.=&internal_location();
1.36      albertel  554: 	    $result.=$form_tag_start.
                    555: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  556: 	    &Apache::lonxml::startredirection();
1.1       albertel  557: 	}
1.21      albertel  558:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    559: 	      $target eq 'webgrade') {
1.32      albertel  560: 	my $webgrade='yes';
1.21      albertel  561: 	if ($target eq 'webgrade') {
1.110     albertel  562: 	    $result.=$head_tag_start.'</head>'.$body_tag_start;
1.49      albertel  563: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    564: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  565: 	}
1.33      albertel  566: 	# FIXME Blast! still need to reorg this, need to reshow the
                    567:         #       queue being reviewed once done with the grade pass...
                    568:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    569:         #       perhaps do a search if there is a key that is mine and if
                    570:         #       there isn't reshow the queue....
1.105     albertel  571: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  572: 
                    573: 	if ($todo) {
                    574: 	    &setup_env_for_other_user($todo,$safeeval);
                    575: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    576: 	    $result.="\n".'<table><tr><td>Found '.
                    577: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    578: 	    $form_tag_start.=
                    579: 		'<input type="hidden" name="gradingkey" value="'.
                    580: 		&Apache::lonnet::escape($todo).'" />';
                    581: 	    $Apache::bridgetask::queue_key=$todo;
                    582: 	    &Apache::structuretags::initialize_storage();
                    583: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  584: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    585: 		$form_tag_start.=
                    586: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  587: 	    }
1.15      albertel  588: 	} else {
1.33      albertel  589: 	    if ($target eq 'webgrade') {
                    590: 		$result.="\n";
1.81      albertel  591: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    592: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  593: 		if      ($status_code eq 'stop') {
1.81      albertel  594: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.33      albertel  595: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  596: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  597: 			.'</b>'.$back;
1.33      albertel  598: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  599: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    600: 			.'</b>'.$back;
1.33      albertel  601: 		    $result.=&show_queue($env{'form.queue'},1);
                    602: 		} elsif ($status_code eq 'show_list') {
                    603: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  604: 		} elsif ($status_code eq 'select_user') {
                    605: 		    $result.=&select_user();
1.95      albertel  606: 		} elsif ($status_code eq 'unable') {
                    607: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  608: 		} elsif ($status_code eq 'not_allowed') {
                    609: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  610: 		} else {
1.81      albertel  611: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  612: 		}
1.21      albertel  613: 	    }
1.33      albertel  614: 	    $webgrade='no';
1.87      albertel  615: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  616: 	}
                    617: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  618: 	    if ($webgrade eq 'yes') {
                    619: 		$result.=&submission_time_stamp();
                    620: 	    }
1.32      albertel  621: 	    $result.=$form_tag_start;
                    622: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    623: 		$webgrade.'" />';
                    624: 	    $result.='<input type="hidden" name="queue" value="'.
                    625: 		$env{'form.queue'}.'" />';
1.52      albertel  626: 	    if ($env{'form.regrade'}) {
                    627: 		$result.='<input type="hidden" name="regrade" value="'.
                    628: 		    $env{'form.regrade'}.'" />';
                    629: 	    }
1.62      albertel  630: 	    if ($env{'form.chosensections'}) {
                    631: 		my @chosen_sections=
                    632: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    633: 		foreach my $sec (@chosen_sections) {
                    634: 		    $result.='<input type="hidden" name="chosensections" 
                    635:                                value="'.$sec.'" />';
                    636: 		}
                    637: 	    }
1.70      albertel  638: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  639: 	}
1.110     albertel  640: 	if ($target eq 'webgrade') {
1.120     albertel  641: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.110     albertel  642: 	}
1.74      albertel  643:     } elsif ($target eq 'edit') {
                    644: 	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
                    645: 	    &Apache::structuretags::problem_edit_header();
                    646: 	$Apache::lonxml::warnings_error_header=
                    647: 	    &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 />";
                    648: 	my $temp=&Apache::edit::insertlist($target,$token);
                    649: 	$result.=$temp;
1.1       albertel  650:     } else {
                    651: 	# page_start returned a starting result, delete it if we don't need it
                    652: 	$result = '';
                    653:     }
                    654:     return $result;
                    655: }
                    656: 
1.32      albertel  657: sub get_key_todo {
                    658:     my ($target)=@_;
                    659:     my $todo;
1.33      albertel  660: 
                    661:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  662: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  663: 	$env{'form.queue'}='reviewqueue';
                    664: 	return (undef,'show_list');
                    665:     }
                    666: 
                    667:     if (defined($env{'form.reviewagrading'})) {
                    668: 	&Apache::lonxml::debug("review a grading....");
                    669: 	$env{'form.queue'}='gradingqueue';
                    670: 	return (undef,'show_list');
                    671:     }
                    672: 
1.49      albertel  673:     if (defined($env{'form.regradeasubmission'})) {
                    674: 	&Apache::lonxml::debug("regrade a grading....");
                    675: 	$env{'form.queue'}='none';
                    676: 	return (undef,'select_user');
                    677:     }
                    678: 
1.105     albertel  679: 
                    680:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    681: 
                    682:     #need to try both queues..
                    683:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    684: 	defined($env{'form.gradinguser'})               &&
                    685: 	defined($env{'form.gradingdomain'})               ) {
                    686: 	my ($symb,$cid)=&Apache::lonxml::whichuser();
                    687: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    688: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    689: 	my $uname = $env{'form.gradinguser'};
                    690: 	my $udom  = $env{'form.gradingdomain'};
                    691: 
                    692: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    693: 
                    694: 	my $queue;
                    695: 
                    696: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    697: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    698: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    699: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    700: 	}
                    701: 	
                    702: 	if (!$queue) {
                    703: 	    $env{'form.queue'} = $queue = 'none';
                    704: 	    #not queued so doing either a re or pre grade
                    705: 	    return ($gradingkey);
                    706: 	}
                    707: 
                    708: 	my $who=&queue_key_locked($queue,$gradingkey);
                    709: 	if ($who eq $me) {
                    710: 	    #already have the lock
                    711: 	    $env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);
                    712: 	    return ($gradingkey);
                    713: 	}
                    714: 	
                    715: 	if (!defined($who)) {
                    716: 	    if (&lock_key($queue,$gradingkey)) {
                    717: 		return ($gradingkey);
                    718: 	    } else {
                    719: 		return (undef,'lock_failed');
                    720: 	    }
                    721: 	}
                    722: 
                    723: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    724: 	return (undef,'not_allowed',
                    725: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
                    726: 		    $who,$env{'form.gradinguser'}.'@'.$env{'form.gradingdomain'}));
                    727:     }
                    728: 
                    729: 
1.32      albertel  730:     my $queue=$env{'form.queue'};
1.33      albertel  731: 
1.32      albertel  732:     if (!defined($queue)) {
                    733: 	$env{'form.queue'}=$queue='gradingqueue';
                    734:     }
1.33      albertel  735: 
1.32      albertel  736:     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.33      albertel  737: 
1.49      albertel  738:     if ($env{'form.queue'} eq 'none') {
                    739: 	if (defined($env{'form.gradingkey'})) {
                    740: 	    if ($target eq 'webgrade') {
                    741: 		if ($env{'form.stop'}) {
                    742: 		    return (undef,'stop');
                    743: 		} elsif ($env{'form.next'}) {
1.59      albertel  744: 		    return (undef,'select_user');
1.49      albertel  745: 		}
                    746: 	    }
                    747: 	    return ($gradingkey,'selected');
                    748: 	} else {
1.59      albertel  749: 	    return (undef,'select_user');
1.49      albertel  750: 	}
                    751:     }
1.32      albertel  752:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  753: 	&& !defined($env{'form.gradingaction'}) 
                    754: 	&& $env{'form.queuemode'} eq 'selected') {
                    755: 	
                    756: 	my $who=&queue_key_locked($queue,$gradingkey);
                    757: 	if ($who eq $me) {
                    758: 	    &Apache::lonxml::debug("Found a key was given to me");
                    759: 	    return ($gradingkey,'selected');
                    760: 	} else {
                    761: 	    return (undef,'show_list');
                    762: 	}
                    763: 
                    764:     }
                    765: 
                    766:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    767: 	if ($env{'form.gradingaction'} eq 'resume') {
                    768: 	    delete($env{'form.gradingaction'});
                    769: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  770: 	    return ($gradingkey);
1.33      albertel  771: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    772: 	    &Apache::lonxml::debug("Unlocking a key ".
                    773: 				     &check_queue_unlock($queue,$gradingkey,1));
                    774: 	    return (undef,'unlock');
                    775: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    776: 	    &Apache::lonxml::debug("Locking a key");
                    777: 	    if (&lock_key($queue,$gradingkey)) {
                    778: 		&Apache::lonxml::debug("Success $queue");
                    779: 		return ($gradingkey);
                    780: 	    }
                    781: 	    &Apache::lonxml::debug("Failed $queue");
                    782: 	    return (undef,'lock_failed');
1.32      albertel  783: 	}
                    784:     }
1.33      albertel  785: 
                    786:     if ($env{'form.queuemode'} ne 'selected') {
                    787: 	# don't get something new from the queue if they hit the stop button
                    788:     	if (!($env{'form.stop'} && $target eq 'webgrade') 
                    789: 	    && !$env{'form.gradingaction'}) {
                    790: 	    &Apache::lonxml::debug("Getting anew $queue");
                    791: 	    return (&get_from_queue($queue));
                    792: 	} else {
                    793: 	    return (undef,'stop');
                    794: 	}
1.32      albertel  795:     }
1.33      albertel  796:     return (undef,undef)
1.32      albertel  797: }
1.94      albertel  798: 
                    799: sub minimize_storage {
                    800:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    801: 	if ($key =~ /regrader$/) { next; }
                    802: 	if ($Apache::lonhomework::results{$key} eq
                    803: 	    $Apache::lonhomework::history{$key}) {
                    804: 	    delete($Apache::lonhomework::results{$key});
                    805: 	}
                    806:     }
                    807: }
                    808: 
1.1       albertel  809: sub end_Task {
                    810:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    811:     my $result='';
                    812:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  813:     my ($version,$previous)=&get_version();
1.1       albertel  814:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  815: 	$target eq 'tex') {
1.69      albertel  816: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  817: 	    if ($target eq 'web') {
1.54      albertel  818: 		if (&show_task($status,$previous)) {
                    819: 		    $result.=&Apache::lonxml::endredirection();
                    820: 		}
1.64      albertel  821: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    822: 		    !$env{'form.donescreen'}) {
1.15      albertel  823: 		    $result.="\n".'<table border="1">'.
1.28      albertel  824: 			&Apache::inputtags::file_selector("$version.0",
                    825: 							  "bridgetask","*",
1.46      albertel  826: 							  'portfolioonly',
                    827: 							  '
                    828: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    829: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  830: 							  "</table>";
1.77      albertel  831: 		}
1.78      albertel  832: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    833: 		    &show_task($status,$previous)) {
1.9       albertel  834: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  835: 		    $result.='</form>';
1.116     albertel  836: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel  837: 		    $result.=<<DONEBUTTON;
1.115     albertel  838: <form name="done" method="post" action="$action">
1.64      albertel  839:    <input type="hidden" name="donescreen" value="1" />
                    840:    <input type="submit" value="Done" />
                    841: </form>
                    842: DONEBUTTON
1.77      albertel  843:                 }
1.56      albertel  844: 		if (&show_task($status,$previous) &&
1.89      albertel  845: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    846: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  847: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  848: 
                    849: 		    my $slot_name=
1.89      albertel  850: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.80      albertel  851: 		    my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  852: 		    my $start_time=
                    853: 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
1.54      albertel  854: 
1.116     albertel  855: 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
1.54      albertel  856: 		    
                    857: 		    if ($bt_status eq 'pass')  {
                    858: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  859: 			    $start_time.'</h2>';
1.54      albertel  860: 		    }
                    861: 		    if ($bt_status eq 'fail')  {
                    862: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  863: 			    $start_time.'</h2>';
1.54      albertel  864: 			if (!$previous) {
                    865: 			    $status.=&add_request_another_attempt_button();
                    866: 			}
                    867: 		    }
                    868: 		    my $man_count=0;
                    869: 		    my $opt_count=0;
                    870: 		    my $opt_passed=0;
                    871: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    872: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    873: 			    eq 'N') {
                    874: 			    $opt_count++;
1.89      albertel  875: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  876: 				$opt_passed++;
                    877: 			    }
                    878: 			} else {
                    879: 			    $man_count++;
                    880: 			}
                    881: 		    }
                    882: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    883: 							 $parstack,$safeeval);
                    884: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.99      albertel  885: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
1.54      albertel  886: 
                    887: 		    my $internal_location=&internal_location();
                    888: 		    $result=~s/\Q$internal_location\E/$status/;
                    889: 		}
1.13      albertel  890: 	    } 
1.117     albertel  891: 	    if ($target eq 'web') {
                    892: 		$result.="\n</div>\n".&Apache::lonxml::xmlend().'</html>';
1.1       albertel  893: 	    }
                    894: 	}
1.29      albertel  895: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  896: 	    my $award='SUBMITTED';
1.28      albertel  897: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  898: 						    'portfiles',\$award);
1.14      albertel  899: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  900: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    901: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    902: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    903: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    904: 
                    905: 		$Apache::lonhomework::results{"resource.0.award"}=
                    906: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    907: 		    $award;
1.51      albertel  908: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    909: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  910: 	    } else {
                    911: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  912: 		$award = '';
1.10      albertel  913: 	    }
1.4       albertel  914: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    915: 	    &Apache::structuretags::finalize_storage();
1.83      albertel  916: 	    if ($award eq 'SUBMITTED'
                    917: 		&& defined($Apache::inputtags::slot_name)) {
1.82      albertel  918: 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
1.14      albertel  919: 	    }
1.79      albertel  920: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    921: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  922: 	}
1.32      albertel  923: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  924: 	    my $optional_required=
                    925: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    926: 					   $safeeval);
                    927: 	    my $optional_passed=0;
                    928: 	    my $mandatory_failed=0;
                    929: 	    my $ungraded=0;
                    930: 	    my $review=0;   
1.21      albertel  931: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  932: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    933: 		my $status=
1.89      albertel  934: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  935: 		my $mandatory=
                    936: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    937: 		if ($status eq 'pass') {
                    938: 		    if (!$mandatory) { $optional_passed++; }
                    939: 		} elsif ($status eq 'fail') {
                    940: 		    if ($mandatory) { $mandatory_failed++; }
                    941: 		} elsif ($status eq 'ungraded') {
                    942: 		    $ungraded++;
                    943: 		} elsif ($status eq 'review') {
                    944: 		    $review++;
1.49      albertel  945: 		} else {
                    946: 		    $ungraded++;
                    947: 		}
1.20      albertel  948: 	    }
                    949: 	    if ($optional_passed < $optional_required) {
                    950: 		$mandatory_failed++;
                    951: 	    }
1.21      albertel  952: 	    &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  953: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.20      albertel  954: 		$env{'user.name'}.'@'.$env{'user.domain'};
                    955: 	    if ($review) {
1.89      albertel  956: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  957: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    958: 		    &check_queue_unlock($env{'form.queue'});
                    959: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    960: 		} else {
1.49      albertel  961: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  962: 		}
1.20      albertel  963: 	    } elsif ($ungraded) {
1.89      albertel  964: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  965: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    966: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  967: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  968: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  969: 		} else {
                    970: 		    &check_queue_unlock($env{'form.queue'});
                    971: 		}
1.20      albertel  972: 	    } elsif ($mandatory_failed) {
1.89      albertel  973: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  974: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    975: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    976: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  977: 		&remove_from_queue($env{'form.queue'}); 
                    978: 
                    979: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  980: 		
                    981: 		if ($env{'form.regrade'} ne 'yes') {
                    982: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    983: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    984: 		    &Apache::grades::version_portfiles(
                    985: 						       \%Apache::lonhomework::results,
                    986: 						       ["$version.0.bridgetask"],$courseid,
                    987: 						       $symb,$udom,$uname,
                    988: 						       ["$version.0.bridgetask"]);
                    989: 		}
1.20      albertel  990: 	    } else {
1.89      albertel  991: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  992: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                    993: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                    994: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel  995: 		&remove_from_queue($env{'form.queue'});
1.39      albertel  996: 
                    997: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  998: 		if ($env{'form.regrade'} ne 'yes') {
                    999: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1000: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1001: 		    &Apache::grades::version_portfiles(
                   1002: 						       \%Apache::lonhomework::results,
                   1003: 						       ["$version.0.bridgetask"],$courseid,
                   1004: 						       $symb,$udom,$uname,
                   1005: 						       ["$version.0.bridgetask"]);
                   1006: 		}
1.20      albertel 1007: 	    }
1.89      albertel 1008: 	    $Apache::lonhomework::results{"resource.0.status"}=
                   1009: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel 1010: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel 1011: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel 1012: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel 1013: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel 1014: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel 1015: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel 1016: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel 1017: 	    }
1.94      albertel 1018: 	    &minimize_storage();
1.21      albertel 1019: 	    &Apache::structuretags::finalize_storage();
1.20      albertel 1020: 	}
1.15      albertel 1021:     } elsif ($target eq 'webgrade') {
1.111     albertel 1022: 	$result.="</div>\n<hr />";
1.20      albertel 1023: 	#$result.='<input type="submit" name="next" value="'.
                   1024: 	#    &mt('Save &amp; Next').'" /> ';
                   1025: 	#$result.='<input type="submit" name="end" value="'.
                   1026: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1027: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1028: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1029: 	#$result.='<input type="submit" name="save" value="'.
                   1030: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.117     albertel 1031: 	$result.='</form>'."\n</div>\n".
                   1032: 	    &Apache::loncommon::endbodytag().'</html>';
1.1       albertel 1033:     } elsif ($target eq 'meta') {
1.70      albertel 1034: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1035:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1036: 						      'Problem Status');
                   1037: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1038: 						      'Number of Attempts');
                   1039: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1040: 						      'Partial Credit Factor');
                   1041: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1042: 						      'Bridge Task Status');
1.1       albertel 1043:     }
1.4       albertel 1044:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1045:     return $result;
                   1046: }
                   1047: 
1.31      albertel 1048: sub move_between_queues {
                   1049:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1050:     my $cur_data;
                   1051:     if ($src_queue ne 'none') {
                   1052: 	$cur_data=&get_queue_data($src_queue);
                   1053: 	if (!$cur_data) { return 'not_exist'; }
                   1054:     } else {
                   1055: 	$cur_data = ['none'];
                   1056:     }
1.82      albertel 1057:     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
1.31      albertel 1058:     if ($result ne 'ok') {
                   1059: 	return $result;
                   1060:     }
                   1061:     &check_queue_unlock($src_queue);
                   1062:     return &remove_from_queue($src_queue);
1.21      albertel 1063: }
                   1064: 
                   1065: sub check_queue_unlock {
1.32      albertel 1066:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1067:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel 1068:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel 1069:     if (!defined($key)) {
                   1070: 	$key="$symb\0queue\0$uname\@$udom";
                   1071:     }
1.30      albertel 1072:     my $cnum=$env{'course.'.$cid.'.num'};
                   1073:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1074:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1075:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1076:     if  ($who eq $me) {
1.32      albertel 1077: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1078:     } elsif ($allow_not_me) {
1.33      albertel 1079: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1080: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1081:     }
1.32      albertel 1082:     return 'not_owner';
1.21      albertel 1083: }
                   1084: 
1.88      albertel 1085: sub in_queue {
                   1086:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1087:     if ($queue eq 'none') { return 0; }
                   1088:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1089: 	|| !defined($udom) || !defined($uname)) {
                   1090: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1091: 	$cnum=$env{'course.'.$cid.'.num'};
                   1092: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1093:     }
                   1094: 
                   1095:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1096:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1097: 
                   1098:     if (defined($results{$key})) {
                   1099: 	return 1;
                   1100:     }
                   1101:     return 0;
                   1102: }
                   1103: 
1.21      albertel 1104: sub remove_from_queue {
1.86      albertel 1105:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1106:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1107:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1108: 	|| !defined($udom) || !defined($uname)) {
                   1109: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1110: 	$cnum=$env{'course.'.$cid.'.num'};
                   1111: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1112:     }
1.88      albertel 1113:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1114: 	return 'ok';
                   1115:     }
1.86      albertel 1116:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1117:     my @keys=($key,"$key\0locked");
1.31      albertel 1118:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1119: }
                   1120: 
1.16      albertel 1121: sub setup_env_for_other_user {
                   1122:     my ($queue_key,$safeeval)=@_;
                   1123:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1124:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1125:     $env{'form.grade_symb'}=$symb;
                   1126:     $env{'form.grade_domain'}=$udom;
                   1127:     $env{'form.grade_username'}=$uname;
                   1128:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1129:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1130: }
                   1131: 
1.31      albertel 1132: sub get_queue_data {
                   1133:     my ($queue)=@_;
                   1134:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1135:     my $cnum=$env{'course.'.$cid.'.num'};
                   1136:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1137:     my $todo="$symb\0queue\0$uname\@$udom";
                   1138:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1139:     if ($key eq $todo && ref($value)) {
                   1140: 	return $value;
                   1141:     }
                   1142:     return undef;
                   1143: }
                   1144: 
1.84      albertel 1145: 
1.49      albertel 1146: sub check_queue_for_key {
1.84      albertel 1147:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1148: 
1.49      albertel 1149:     my %results=
                   1150: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1151:     
                   1152:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1153: 	if (defined($results{"$todo\0locked"})) {
                   1154: 	    return 'locked';
                   1155: 	}
1.86      albertel 1156: 	my $slot;
                   1157: 	if (ref($results{$todo}) eq 'ARRAY')  {
                   1158: 	    $slot = $results{$todo}[0];
                   1159: 	} elsif (ref($results{$todo}) eq 'HASH')  {
                   1160: 	    $slot = $results{$todo}{'slot'};
                   1161: 	}
                   1162: 	if (defined($slot)) {
                   1163: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1164: 	    if ($slot_data{'endtime'} > time) { 
                   1165: 		return 'in_progress';
                   1166: 	    }
1.58      albertel 1167: 	}
1.49      albertel 1168: 	return 'enqueued';
                   1169:     }
                   1170:     return undef;
                   1171: }
                   1172: 
1.14      albertel 1173: sub add_to_queue {
1.82      albertel 1174:     my ($queue,$user_data)=@_;
1.49      albertel 1175:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1176:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1177:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1178: 	return 'no_queue';
                   1179:     }
1.14      albertel 1180:     my $cnum=$env{'course.'.$cid.'.num'};
                   1181:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1182:     my %data;
1.82      albertel 1183:     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
1.83      albertel 1184:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1185: }
                   1186: 
                   1187: sub show_queue {
1.32      albertel 1188:     my ($queue,$with_selects)=@_;
1.14      albertel 1189:     my $result;
                   1190:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1191:     my $cnum=$env{'course.'.$cid.'.num'};
                   1192:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1193: 
                   1194:     my @chosen_sections=
                   1195: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1196:     &Apache::grades::init_perm();
                   1197:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1198:     &Apache::grades::reset_perm();
1.63      albertel 1199:     if (!(grep(/^all$/,@chosen_sections))) {
                   1200: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1201: 	    '</tt>.</p> '."\n";
                   1202:     }
1.59      albertel 1203: 
1.16      albertel 1204:     my $regexp="^$symb\0";
1.30      albertel 1205:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1206:     my ($tmp)=%queue;
                   1207:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1208: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1209:     }
1.103     albertel 1210:     my $title=&Apache::lonnet::gettitle($symb);
                   1211:     $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
                   1212:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
                   1213:     $result.="<th>user</th><th>data</th></tr>";
1.14      albertel 1214:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1215: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1216: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1217: 	if ($key=~/locked$/ && !$with_selects) {
1.103     albertel 1218: 	    $result.="<tr><td>$uname</td>";
                   1219: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1220: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.103     albertel 1221: 	    $result.="<tr><td></td>";
                   1222: 	    $result.='<td>'.
1.16      albertel 1223: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1224: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1225: 	    $result.="<tr>";
1.35      albertel 1226: 	    my $slot=$queue{$key}->[0];
                   1227: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
1.32      albertel 1228: 	    if ($with_selects) {
                   1229: 		my $ekey=&Apache::lonnet::escape($key);
1.103     albertel 1230: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1231: 		if (exists($queue{"$key\0locked"})) {
                   1232: 		    my $me=$env{'user.name'}.'@'.$env{'user.domain'};
1.103     albertel 1233: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1234: 		    if ($me eq $queue{"$key\0locked"}) {
                   1235: 			($action,$description)=('resume',&mt('Resume'));
                   1236: 		    } else {
                   1237: 			($action,$description)=('unlock',&mt('Unlock'));
                   1238: 		    }
                   1239: 		}
1.62      albertel 1240: 		my $seclist;
                   1241: 		foreach my $sec (@chosen_sections) {
                   1242: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1243:                                value="'.$sec.'" />';
                   1244: 		}
1.35      albertel 1245: 		if (time > $slot_data{'endtime'}) {
                   1246: 		    $result.=(<<FORM);
1.103     albertel 1247: <td>$status</td>
1.32      albertel 1248: <td>
1.115     albertel 1249: <form style="display: inline" method="post">
1.32      albertel 1250:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1251:  <input type="hidden" name="queue" value="$queue" />
                   1252:  <input type="hidden" name="gradingaction" value="$action" />
                   1253:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1254:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1255:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1256:  $seclist
1.32      albertel 1257: </form>
                   1258: </td>
                   1259: FORM
1.35      albertel 1260: 
                   1261:                 } else {
                   1262: 		    $result.='<td>'.&mt("In Progress").'</td>'
                   1263: 		}
1.32      albertel 1264: 	    }
1.104     albertel 1265: 	    $result.= "<td>".$fullname->{$uname.':'.$udom}.
                   1266: 		" <tt>($uname\@$udom)</tt> </td>";
1.103     albertel 1267: 	    $result.='<td>Slot: '.$slot.' End time: '.
1.20      albertel 1268: 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
                   1269: 		"</td></tr>";
1.16      albertel 1270: 	}
1.14      albertel 1271:     }
1.15      albertel 1272:     $result.="</table><hr />\n";
1.14      albertel 1273:     return $result;
                   1274: }
                   1275: 
1.34      albertel 1276: sub get_queue_counts {
                   1277:     my ($queue)=@_;
                   1278:     my $result;
                   1279:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1280:     my $cnum=$env{'course.'.$cid.'.num'};
                   1281:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1282:     my $regexp="^$symb\0";
                   1283:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1284:     my ($tmp)=%queue;
                   1285:     if ($tmp=~/^error: 2 /) {
                   1286: 	return (0,0,0);
                   1287:     }
                   1288:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1289:     my %slot_cache;
1.34      albertel 1290:     foreach my $key (sort(keys(%queue))) {
                   1291: 	if ($key=~/locked$/) {
                   1292: 	    $locks++;
                   1293: 	} elsif ($key=~/timestamp$/) {
                   1294: 	    #ignore
                   1295: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1296: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1297: 	    $entries++;
                   1298: 	    my $slot=$queue{$key}->[0];
1.96      albertel 1299: 	    if (!exists($slot_cache{$slot})) {
                   1300: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1301: 		$slot_cache{$slot} = \%slot_data;
                   1302: 	    }
                   1303: 	    if (time > $slot_cache{$slot}{'endtime'}) {
1.34      albertel 1304: 		$ready_to_grade++;
                   1305: 	    }
                   1306: 	}
                   1307:     }
                   1308:     return ($entries,$ready_to_grade,$locks);
                   1309: }
                   1310: 
1.49      albertel 1311: sub encode_queue_key {
                   1312:     my ($symb,$udom,$uname)=@_;
                   1313:     return "$symb\0queue\0$uname\@$udom";
                   1314: }
                   1315: 
1.14      albertel 1316: sub decode_queue_key {
                   1317:     my ($key)=@_;
                   1318:     my ($symb,undef,$user) = split("\0",$key);
                   1319:     my ($uname,$udom) = split('@',$user);
                   1320:     return ($symb,$uname,$udom);
                   1321: }
                   1322: 
                   1323: sub queue_key_locked {
1.30      albertel 1324:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1325:     if (!defined($cdom) || !defined($cnum)) {
                   1326: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1327: 	$cnum=$env{'course.'.$cid.'.num'};
                   1328: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1329:     }
1.14      albertel 1330:     my ($key_locked,$value)=
1.30      albertel 1331: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1332:     if ($key_locked eq "$key\0locked") {
                   1333: 	return $value;
                   1334:     }
                   1335:     return undef;
                   1336: }
                   1337: 
                   1338: sub pick_from_queue_data {
1.30      albertel 1339:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
1.98      albertel 1340:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1341:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1342: 	if ($key =~ /\0locked$/) { next; }
                   1343: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1344: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1345: 	if ($check_section) {
                   1346: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1347: 	    if ($section eq $check_section) {
1.33      albertel 1348: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1349: 		next;
                   1350: 	    }
1.14      albertel 1351: 	}
1.30      albertel 1352: 	my $slot=$queuedata->{$key}[0];
1.14      albertel 1353: 	my %slot_data=&Apache::lonnet::get_slot($slot);
1.15      albertel 1354: 	if ($slot_data{'endtime'} > time) { 
1.33      albertel 1355: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1356: 	    next;
                   1357: 	}
1.98      albertel 1358: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1359: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1360: 	    next;
                   1361: 	}
1.98      albertel 1362: 	push(@possible,[$key,$slot_data{'endtime'}]);
                   1363:     }
                   1364:     if (@possible) {
                   1365:         # sort entries in order by slot end time
                   1366: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
                   1367: 	# pick one of the first ten entries
                   1368: 	my $max=($#possible < 10) ? $#possible : 10;
                   1369: 	return $possible[int(rand($max))][0];
1.14      albertel 1370:     }
                   1371:     return undef;
                   1372: }
                   1373: 
1.15      albertel 1374: sub find_mid_grade {
1.30      albertel 1375:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1376:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.15      albertel 1377:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1378:     if ($todo) {
1.30      albertel 1379: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1380: 	if ($who eq $me) { return $todo; }
                   1381:     }
                   1382:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1383:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1384:     foreach my $key (keys(%locks)) {
                   1385: 	my $who=$locks{$key};
                   1386: 	if ($who eq $me) {
                   1387: 	    $todo=$key;
                   1388: 	    $todo=~s/\0locked$//;
                   1389: 	    return $todo;
                   1390: 	}
                   1391:     }
                   1392:     return undef;
                   1393: }
                   1394: 
1.32      albertel 1395: sub lock_key {
                   1396:     my ($queue,$todo)=@_;
                   1397:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1398:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1399:     my $cnum=$env{'course.'.$cid.'.num'};
                   1400:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1401:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1402: 					$cdom,$cnum);
1.33      albertel 1403:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1404:     if ($success eq 'ok') {
                   1405: 	return 1;
                   1406:     }
                   1407:     return 0;
                   1408: }
                   1409: 
1.86      albertel 1410: sub get_queue_symb_status {
1.85      albertel 1411:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1412:     if (!defined($cdom) || !defined($cnum)) {
                   1413: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1414: 	$cnum=$env{'course.'.$cid.'.num'};
                   1415: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1416:     }
                   1417:     my $regexp="^$symb\0";
                   1418:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1419:     my ($tmp)=%queue;
                   1420:     if ($tmp=~/^error: 2 /) { return; }
                   1421:     my @users;
                   1422:     foreach my $key (sort(keys(%queue))) {
                   1423: 	next if ($key=~/locked$/);
                   1424: 	next if ($key=~/timestamp$/);
                   1425: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1426: 	push(@users,"$uname:$udom");
                   1427:     }
                   1428:     return @users;
                   1429: }
                   1430: 
1.14      albertel 1431: sub get_from_queue {
1.30      albertel 1432:     my ($queue)=@_;
1.14      albertel 1433:     my $result;
                   1434:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1435:     my $cnum=$env{'course.'.$cid.'.num'};
                   1436:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1437:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1438:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1439:     if ($todo) { return $todo; }
1.95      albertel 1440:     my $attempts=0;
1.14      albertel 1441:     while (1) {
1.95      albertel 1442: 	if ($attempts > 2) {
                   1443: 	    # tried twice to get a queue entry, giving up
                   1444: 	    return (undef,'unable');
                   1445: 	}
1.14      albertel 1446: 	my $starttime=time;
1.83      albertel 1447: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1448: 			      $cdom,$cnum);
1.33      albertel 1449: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1450: 	my $regexp="^$symb\0queue\0";
1.97      albertel 1451: 	my $range= ($attempts < 1 ) ? '0-100' : '0-400';
                   1452: 
1.98      albertel 1453: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1454: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1455: 	if ($env{'request.course.sec'}) {
1.33      albertel 1456: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1457: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1458: 					\%queue,$cdom,$cnum);
1.33      albertel 1459: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1460: 	}
1.33      albertel 1461: 	# no one _not_ in our section so look for any user that is
                   1462: 	# ready for grading
1.14      albertel 1463: 	if (!$todo) {
1.33      albertel 1464: 	    &Apache::lonxml::debug("no sce");
1.98      albertel 1465: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);
1.33      albertel 1466: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1467: 	}
                   1468: 	# no user to grade 
                   1469: 	if (!$todo) { last; }
1.33      albertel 1470: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1471: 	# otherwise found someone so lets try to lock them
1.32      albertel 1472: 	# unless someone else already picked them
1.95      albertel 1473: 	if (!&lock_key($queue,$todo)) {
                   1474: 	    $attempts++;
                   1475: 	    next;
                   1476: 	}
1.14      albertel 1477: 	my (undef,$endtime)=
1.30      albertel 1478: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1479: 				 $cdom,$cnum);
1.33      albertel 1480: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1481: 	# someone else already modified the queue, 
                   1482: 	# perhaps our picked user wass already fully graded between
                   1483: 	# when we picked him and when we locked his record? so lets
                   1484: 	# double check.
                   1485: 	if ($endtime != $starttime) {
                   1486: 	    my ($key,$value)=
1.30      albertel 1487: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1488: 				     $cdom,$cnum);
1.33      albertel 1489: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1490: 	    if ($key eq $todo && ref($value)) {
                   1491: 	    } else {
1.30      albertel 1492: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1493: 				     $cdom,$cnum);
1.33      albertel 1494: 		&Apache::lonxml::debug("del");
1.95      albertel 1495: 		$attempts++;
1.14      albertel 1496: 		next;
                   1497: 	    }
                   1498: 	}
1.33      albertel 1499: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1500: 	last;
                   1501:     }
                   1502:     return $todo;
                   1503: }
                   1504: 
1.49      albertel 1505: sub select_user {
                   1506:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1507: 
1.59      albertel 1508:     my @chosen_sections=
                   1509: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1510:     &Apache::grades::init_perm();
1.59      albertel 1511:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1512:     &Apache::grades::reset_perm();
1.63      albertel 1513:     
                   1514:     my $result;
                   1515:     if (!(grep(/^all$/,@chosen_sections))) {
                   1516: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1517: 	    '</tt>.</p> '."\n";
                   1518:     }
                   1519:     $result.='<table border="1">';
1.49      albertel 1520: 
                   1521:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1522: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1523: 	
1.84      albertel 1524: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1525: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1526: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1527: 					 'Task');
1.49      albertel 1528: 	my $queue = 'none';
1.58      albertel 1529: 	my $cannot_grade;
                   1530: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1531: 	    $queue = 'reviewqueue';
1.58      albertel 1532: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1533: 		$cannot_grade=1;
                   1534: 	    }
                   1535: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1536: 	    $queue = 'gradingqueue';
1.58      albertel 1537: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1538: 		$cannot_grade=1;
                   1539: 	    }
1.49      albertel 1540: 	}
                   1541: 	my $todo = 
                   1542: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1543: 	if ($cannot_grade) {
                   1544: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1545: 		'</td><td>';
                   1546: 	} else {
1.62      albertel 1547: 	    my $seclist;
                   1548: 	    foreach my $sec (@chosen_sections) {
                   1549: 		$seclist.='<input type="hidden" name="chosensections" 
                   1550:                                value="'.$sec.'" />';
                   1551: 	    }
1.102     albertel 1552: 	    my $studentdis = $student;
                   1553: 	    $studentdis =~ tr/:/@/;
1.58      albertel 1554: 	    $result.=<<RESULT;
1.49      albertel 1555: <tr>
                   1556:   <td>
1.115     albertel 1557:     <form style="display: inline" method="post">
1.49      albertel 1558:       <input type="hidden" name="gradingkey" value="$todo" />
                   1559:       <input type="hidden" name="queue" value="$queue" />
                   1560:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1561:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1562:       <input type="submit" name="submit" value="Regrade" />
                   1563:       $seclist
1.49      albertel 1564:     </form>
1.102     albertel 1565:   <td>$fullname->{$student} <tt>($studentdis)</tt></td>
1.49      albertel 1566:   <td>
                   1567: RESULT
1.58      albertel 1568:         }
1.49      albertel 1569:         if ($status{'status'} eq 'pass') {
                   1570: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1571: 	} elsif ($status{'status'} eq 'fail') {
                   1572: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1573: 	} elsif ($status{'status'} eq 'review') {
                   1574: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1575: 	} elsif ($status{'status'} eq 'ungraded') {
                   1576: 	    $result .= &mt('Ungraded');
                   1577: 	} elsif ($status{'status'} ne '') {
                   1578: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1579: 	} else {
                   1580: 	    $result.="&nbsp;";
                   1581: 	}
                   1582: 	if ($status{'version'}) {
                   1583: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1584: 	}
1.101     albertel 1585: 	if ($status{'grader'}) {
                   1586: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1587: 	}
1.49      albertel 1588: 	$result.= '</td><td>';
                   1589: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1590: 	    $result .= &mt('Awaiting Review');
                   1591: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1592: 	    $result .= &mt('Under Review');
1.58      albertel 1593: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1594: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1595: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1596: 	    $result .= &mt('Awaiting Grading');
                   1597: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1598: 	    $result .= &mt('Being Graded');
1.58      albertel 1599: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1600: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1601: 	} else {
                   1602: 	    $result.="&nbsp;";
                   1603: 	}
                   1604: 	$result.= '</td></tr>';
                   1605:     }
                   1606:     $result.='</table>';
                   1607:     return $result;
                   1608: }
                   1609: 
                   1610: sub get_student_status {
1.86      albertel 1611:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1612: 
                   1613:     my %status;
                   1614: 
                   1615:     if ($type eq 'Task') {
                   1616: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1617: 					  $udom,$uname);
1.89      albertel 1618: 	$status{'status'}=$record{'resource.0.status'};
                   1619: 	$status{'version'}=$record{'resource.0.version'};
                   1620: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1621:     }
                   1622:     $status{'reviewqueue'}=
                   1623: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1624: 			     &encode_queue_key($symb,$udom,$uname));
                   1625:     $status{'gradingqueue'}=
                   1626: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1627: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1628:     return %status;
                   1629: }
                   1630: 
1.1       albertel 1631: sub start_ClosingParagraph {
                   1632:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1633:     my $result;
                   1634:     if ($target eq 'web') {
1.13      albertel 1635:     } elsif ($target eq 'webgrade') {
                   1636: 	&Apache::lonxml::startredirection();
1.1       albertel 1637:     }
                   1638:     return $result;
                   1639: }
                   1640: 
                   1641: sub end_ClosingParagraph {
                   1642:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1643:     my $result;
                   1644:     if ($target eq 'web') {
1.13      albertel 1645:     } elsif ($target eq 'webgrade') {
                   1646: 	&Apache::lonxml::endredirection();
1.1       albertel 1647:     }
                   1648:     return $result;
                   1649: }
                   1650: 
1.19      albertel 1651: sub get_id {
                   1652:     my ($parstack,$safeeval)=@_;
                   1653:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1654:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1655:     return $id;
                   1656: }
                   1657: 
1.1       albertel 1658: my %dimension;
                   1659: sub start_Dimension {
                   1660:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1661:     undef(%dimension);
1.19      albertel 1662:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1663:     $Apache::bridgetask::dimension=$dim_id;
                   1664:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1665:     undef(@Apache::bridgetask::instance);
1.20      albertel 1666:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1667: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1668:     &Apache::lonxml::startredirection();
                   1669:     return &internal_location($dim_id);
1.1       albertel 1670: }
                   1671: 
1.13      albertel 1672: sub get_instance {
1.75      albertel 1673:     my ($dim)=@_;
                   1674:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1675:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1676: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1677: 	$rand_alg eq '64bit4' ) {
                   1678: 	&Apache::response::pushrandomnumber();
                   1679: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1680: 	my $num=@order;
                   1681: 	my $version=&get_version();
                   1682: 	my $which=($version-1)%$num;
                   1683: 	return $order[$which];
                   1684:     } else {
                   1685: 	my ($version,$previous) = &get_version();
                   1686: 	my $instance = 
                   1687: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1688: 	if (defined($instance)) { return $instance; }
                   1689: 
                   1690: 	&Apache::response::pushrandomnumber();
                   1691: 	my @instances = @{$dimension{'instances'}};
                   1692: 	# remove disabled instances
                   1693: 	for (my $i=0; $i < $#instances; $i++) {
                   1694: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1695: 		splice(@instances,$i,1);
                   1696: 		$i--;
                   1697: 	    }
                   1698: 	}
                   1699: 	@instances = &Math::Random::random_permutation(@instances);
                   1700: 	$instance  = $instances[($version-1)%scalar(@instances)];
                   1701: 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1702: 	    $instance;
1.79      albertel 1703: 	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 1704: 	&Apache::response::poprandomnumber();
                   1705: 	return $instance;
                   1706:     }
1.13      albertel 1707: }
                   1708: 
1.18      albertel 1709: {
                   1710:     my $last_link;
1.122     albertel 1711:     sub link {
                   1712: 	my ($instance,$id) = @_;
                   1713: 	return 'LC_GRADING_criteria_'.$instance.'_'.$id;
                   1714:     }
1.18      albertel 1715:     sub end_Dimension {
                   1716: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1717: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1718: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1719: 	my $instance=&get_instance($dim);
1.25      albertel 1720: 	my $version=&get_version();
1.18      albertel 1721: 	if ($target eq 'web') {
1.47      albertel 1722: 	    @Apache::scripttag::parser_env = @_;
                   1723: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1724: 	    my @instances = $instance;
                   1725: 	    if (&Apache::response::showallfoils()) {
                   1726: 		@instances = @{$dimension{'instances'}};
                   1727: 	    }
                   1728: 	    foreach my $instance (@instances) {
                   1729: 		@Apache::scripttag::parser_env = @_;
                   1730: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89      albertel 1731: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1732: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1733: 
1.89      albertel 1734: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1735: 		    my $mandatory='Mandatory';
                   1736: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1737: 			$mandatory='Optional';
                   1738: 		    }
1.116     albertel 1739: 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
1.76      albertel 1740: 		    if ($dim_status eq 'pass') {
                   1741: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1742: 		    }
1.76      albertel 1743: 		    if ($dim_status eq 'fail') {
                   1744: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1745: 		    }
1.76      albertel 1746: 		    my $man_count=0;
                   1747: 		    my $man_passed=0;
                   1748: 		    my $opt_count=0;
                   1749: 		    my $opt_passed=0;
                   1750: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1751: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1752: 			    eq 'N') {
                   1753: 			    $opt_count++;
1.89      albertel 1754: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1755: 				$opt_passed++;
                   1756: 			    }
                   1757: 			} else {
                   1758: 			    $man_count++;
1.89      albertel 1759: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1760: 				$man_passed++;
                   1761: 			    }
                   1762: 			}
1.22      albertel 1763: 		    }
1.76      albertel 1764: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1765: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1766: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1767: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1768: 
                   1769: 		    my $internal_location=&internal_location($dim);
                   1770: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1771: 
                   1772: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1773: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
                   1774: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1775: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1776: 			if ($mandatory) {
                   1777: 			    $mandatory='Mandatory';
                   1778: 			} else {
                   1779: 			    $mandatory='Optional';
                   1780: 			}
                   1781: 			if ($status eq 'fail') {
                   1782: 			} elsif ($status eq 'pass') {
                   1783: 			} else {
                   1784: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1785: 			}
                   1786: 			my $status_display=$status;
                   1787: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1788: 			@Apache::scripttag::parser_env = @_;
1.116     albertel 1789: 			$result.=
                   1790: 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
                   1791: 			    .$mandatory.' Criteria</h4><p>';
1.76      albertel 1792: 			@Apache::scripttag::parser_env = @_;
                   1793: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.116     albertel 1794: 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
1.89      albertel 1795: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
1.116     albertel 1796: 			    $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';
1.76      albertel 1797: 			}
                   1798: 			$result.='</div>';
1.22      albertel 1799: 		    }
                   1800: 		}
                   1801: 	    }
1.18      albertel 1802: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1803: 	    # in case of any side effects that we need
                   1804: 	    @Apache::scripttag::parser_env = @_;
                   1805: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1806: 	    @Apache::scripttag::parser_env = @_;
                   1807: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1808: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1809: 		my $link=&link($instance,$id);
1.89      albertel 1810: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.120     albertel 1811: 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
1.111     albertel 1812: 		    '<a name="'.$link.'" />'."\n".
                   1813: 		    '<a name="next_'.$last_link.'" />'."\n".
1.120     albertel 1814: 		    '<div class="LC_GRADING_criteriatext">'."\n";
1.47      albertel 1815: 		@Apache::scripttag::parser_env = @_;
                   1816: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.111     albertel 1817: 		$result.='</div>'."\n".
1.18      albertel 1818: 		    #$dimension{$instance.'.criteria.'.$id}.
1.120     albertel 1819: 		    '<div class="LC_GRADING_grade">'."\n".
                   1820: 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
                   1821: 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
                   1822: 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
                   1823: 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
1.111     albertel 1824: 		    '</div>'."\n".
1.120     albertel 1825: 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
                   1826: 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".
1.111     albertel 1827: 		    '</label>'."\n".
1.120     albertel 1828: 		    '<ul class="LC_GRADING_navbuttons">'."\n".
1.111     albertel 1829: 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
                   1830: 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
                   1831: 		    '</ul>'."\n".
                   1832:                     '</div>'."\n";
1.113     albertel 1833: 		$result.=&grading_history($version,$dim,$instance,$id);
1.18      albertel 1834: 		$last_link=$link;
                   1835: 	    }
1.22      albertel 1836: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1837: 	    my $optional_passed=0;
1.20      albertel 1838: 	    my $mandatory_failed=0;
                   1839: 	    my $ungraded=0;
                   1840: 	    my $review=0;
1.19      albertel 1841: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1842: 		my $link=&link($instance,$id);
                   1843: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_'.$link};
                   1844: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
1.20      albertel 1845: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1846: 		if ($status eq 'pass') {
                   1847: 		    if (!$mandatory) { $optional_passed++; }
                   1848: 		} elsif ($status eq 'fail') {
                   1849: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1850: 		} elsif ($status eq 'review') {
                   1851: 		    $review++;
1.20      albertel 1852: 		} elsif ($status eq 'ungraded') {
                   1853: 		    $ungraded++;
1.21      albertel 1854: 		} else {
1.47      albertel 1855: 		    $ungraded++;
1.19      albertel 1856: 		}
                   1857: 	    }
1.20      albertel 1858: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1859: 		$mandatory_failed++;
                   1860: 	    }
1.21      albertel 1861: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1862: 	    if ($review) {
1.89      albertel 1863: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1864: 		    'review';
1.20      albertel 1865: 	    } elsif ($ungraded) {
1.89      albertel 1866: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1867: 		    'ungraded';
1.20      albertel 1868: 	    } elsif ($mandatory_failed) {
1.89      albertel 1869: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1870: 		    'fail';
1.20      albertel 1871: 	    } else {
1.91      albertel 1872: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1873: 		    'pass';
1.20      albertel 1874: 	    }
1.69      albertel 1875: 	} else {
                   1876: 	    # any other targets no output
                   1877: 	    undef($result);
1.13      albertel 1878: 	}
1.18      albertel 1879: 	return $result;
1.1       albertel 1880:     }
                   1881: }
                   1882: 
1.113     albertel 1883: sub grading_history {
                   1884:     my ($version,$dim,$instance,$criteria) = @_;
                   1885:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   1886: 	return '';
                   1887:     }
                   1888:     my ($result,$grader);
                   1889:     my $scope="resource.$version.0.$dim.$instance.$criteria";
                   1890:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   1891: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   1892: 	    my ($gname,$gdom) = 
                   1893: 		split('@',$Apache::lonhomework::history{$t.':resource.0.regrader'});
                   1894: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   1895: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   1896: 							 $gname,$gdom);
                   1897: 	}
                   1898: 	my $entry;
                   1899: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   1900: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   1901: 	}
                   1902: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   1903: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   1904: 	}
                   1905: 	if ($entry) {
                   1906: 	    $result.= "<li>$grader : $entry </li>";
                   1907: 	}
                   1908:     }
                   1909:     if ($result) {
1.120     albertel 1910: 	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
1.113     albertel 1911:     }
                   1912:     return '';
                   1913: }
                   1914: 
1.1       albertel 1915: sub start_IntroParagraph {
1.87      albertel 1916:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1917:     my $result;
1.13      albertel 1918:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1919: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1920: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1921: 	
                   1922: 	} elsif ($target eq 'webgrade') {
1.87      albertel 1923: 	    &Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.1       albertel 1924: 	}
1.47      albertel 1925: 	
1.1       albertel 1926:     }
                   1927:     return $result;
                   1928: }
                   1929: 
                   1930: sub end_IntroParagraph {
                   1931: }
                   1932: 
                   1933: sub start_Instance {
                   1934:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1935:     my $id=&get_id($parstack,$safeeval);
                   1936:     push(@{$dimension{'instances'}},$id);
                   1937:     push(@Apache::bridgetask::instance,$id);
                   1938:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1939:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1940: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1941:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1942:     if (lc($disabled) eq 'yes') {
                   1943: 	$dimension{$id.'.disabled'}='1';
                   1944:     }
1.1       albertel 1945:     return '';
                   1946: }
                   1947: 
                   1948: sub end_Instance {
                   1949: }
                   1950: 
                   1951: sub start_InstanceText {
1.87      albertel 1952:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 1953:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1954:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.13      albertel 1955:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1956: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 1957:     }
                   1958:     return '';
                   1959: }
                   1960: 
                   1961: sub end_InstanceText {
                   1962:     return '';
                   1963: }
                   1964: 
                   1965: sub start_Criteria {
1.87      albertel 1966:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 1967:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1968:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 1969:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 1970: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 1971: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 1972: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   1973: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 1974: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   1975:     }
                   1976:     return '';
                   1977: }
                   1978: 
1.47      albertel 1979: sub end_Criteria {
                   1980: }
                   1981: 
1.4       albertel 1982: sub proctor_validation_screen {
                   1983:     my ($slot) = @_;
                   1984:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 1985:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 1986:     my $name=&Apache::loncommon::plainname($user,$domain);
                   1987:     
1.4       albertel 1988:     my $msg;
1.11      albertel 1989:     if ($env{'form.proctorpassword'}) {
1.4       albertel 1990: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   1991: 	    .'</font></p>';
                   1992:     }
1.47      albertel 1993:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 1994:     my $result= (<<ENDCHECKOUT);
                   1995: <h2>Proctor Validation</h2>
                   1996:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   1997:     $msg
1.115     albertel 1998: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 1999: <input type="hidden" name="validate" value="yes" />
                   2000: <input type="hidden" name="submitted" value="yes" />
                   2001: <table>
1.44      albertel 2002:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 2003:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 2004:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 2005: </table>
                   2006: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 2007: <table border="1">
                   2008:   <tr><td>
                   2009:     <table>
                   2010:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   2011:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 2012:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.44      albertel 2013:       <tr><td>Usename</td><td>$user\@$domain</td></tr>
                   2014:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   2015:     </table>
                   2016:   </tr></td>
                   2017: </table>
1.4       albertel 2018: </form>
                   2019: ENDCHECKOUT
                   2020:     return $result;
                   2021: }
                   2022: 
1.1       albertel 2023: 1;
                   2024: __END__

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