Annotation of loncom/homework/bridgetask.pm, revision 1.128

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.128   ! albertel    4: # $Id: bridgetask.pm,v 1.127 2006/03/29 04:53:42 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 $result;
                    259: }
                    260: 
1.53      albertel  261: sub style {
1.125     albertel  262:     my ($target) = @_;
                    263:     if ($target eq 'web'
                    264: 	|| $target eq 'webgrade') {
                    265: 	return (<<STYLE);
1.126     albertel  266: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
1.53      albertel  267: STYLE
1.125     albertel  268:     }
                    269:     return;
1.53      albertel  270: }
                    271: 
1.54      albertel  272: sub show_task {
                    273:     my ($status,$previous)=@_;
                    274:     if (!$previous && (
                    275: 		       ( $status eq 'CLOSED' ) ||
                    276: 		       ( $status eq 'BANNED') ||
                    277: 		       ( $status eq 'UNAVAILABLE') ||
                    278: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    279: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    280: 		       ( $status eq 'WAITING_FOR_GRADE') ||
                    281: 		       ( $status eq 'INVALID_ACCESS') )) {
                    282: 	return 0;
                    283:     }
1.64      albertel  284:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  285:     return 1;
                    286: }
                    287: 
                    288: sub internal_location {
                    289:     my ($id)=@_;
                    290:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    291: }
                    292: 
1.60      albertel  293: sub submission_time_stamp {
                    294:     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
                    295:     my $submissiontime;
1.89      albertel  296:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  297:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
                    298: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
                    299: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
                    300: 	}
                    301:     }
                    302:     my $result;
                    303:     if ($submissiontime) {
1.89      albertel  304: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  305: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    306: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  307: 	my ($color,$when)=('#FF6666','after');
                    308: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  309: 	my $info;
                    310: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    311: 	$diff=int($diff/60);
                    312: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    313: 	$diff=int($diff/60);
                    314: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    315: 	$result='<p><font color="'.$color.'">'.
                    316: 	    &mt('Student submitted [_1] [_2] the deadline. 
                    317:                  (Submission was at [_3], end of period was [_4].)',
                    318: 		$info,$when,scalar(localtime($submissiontime)),
                    319: 		scalar(localtime($slot{'endtime'}))).
                    320: 		'</font></p>';
                    321:     }
                    322:     return $result;
                    323: }
                    324: 
1.119     albertel  325: sub file_list {
                    326:     my ($files,$uname,$udom) = @_;
                    327:     if (!defined($uname) || !defined($udom)) {
                    328: 	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
                    329:     }
1.70      albertel  330:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.119     albertel  331: 
1.120     albertel  332:     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
1.119     albertel  333:     foreach my $partial_file (split(',',$files)) {
1.70      albertel  334: 	my $file=$file_url.$partial_file;
                    335: 	$file=~s|/+|/|g;
                    336: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.73      albertel  337: 	$file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
1.109     albertel  338: 	    &Apache::loncommon::icon($file).'" border="0"> '.$file.
1.70      albertel  339: 	    '</a></nobr></li>'."\n";
                    340:     }
                    341:     $file_list.="</ul>\n";
1.119     albertel  342:     return $file_list;
                    343: }
                    344: 
                    345: sub webgrade_standard_info {
                    346:     my ($version)=&get_version();
                    347: 
                    348:     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
1.70      albertel  349: 
1.118     albertel  350:     my %lt=&Apache::lonlocal::texthash('done' => 'Next Item',
                    351: 				       'stop' => 'Quit Grading',
1.70      albertel  352: 				       );
                    353: 				       
                    354:     my $result=<<INFO;
1.120     albertel  355:   <div class="LC_GRADING_maincontrols">
1.111     albertel  356:     <input type="submit" name="next" value="$lt{'done'}" />
                    357:     <input type="submit" name="stop" value="$lt{'stop'}" />
                    358:   </div>
1.70      albertel  359:   $file_list
                    360: INFO
                    361:     return $result;
                    362: }
                    363: 
1.1       albertel  364: sub start_Task {
1.87      albertel  365:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  366: 
1.4       albertel  367:     my ($status,$accessmsg,$slot);
1.16      albertel  368:     if ($target ne 'webgrade') {
1.70      albertel  369: 	&Apache::structuretags::init_problem_globals('Task');
1.16      albertel  370: 	&Apache::structuretags::initialize_storage();
                    371: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  372: 	if ($env{'request.state'} eq 'construct') {
                    373: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    374: 	}
1.16      albertel  375:     } 
                    376: 
1.4       albertel  377:     $Apache::lonhomework::parsing_a_task=1;
1.1       albertel  378:     #should get back a <html> or the neccesary stuff to start XML/MathML
                    379:     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
                    380: 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.16      albertel  381:     
1.125     albertel  382:     $head_tag_start .= &style($target);
1.121     albertel  383:     $body_tag_start .= '<div class="LC_task">'."\n";
1.123     albertel  384: 
                    385:     if ($target eq 'web' || $target eq 'webgrade') {
                    386: 	$head_tag_start.='<title>'.
                    387: 	    &Apache::structuretags::get_resource_name($parstack,$safeeval).
                    388: 	    '</title>';
                    389:     }
                    390: 
1.74      albertel  391:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.13      albertel  392: 	if ($Apache::lonhomework::modifygrades) {
1.115     albertel  393: 	    $body_tag_start.='<form name="gradesubmission" method="post" action="';
1.13      albertel  394: 	    my $uri=$env{'request.uri'};
                    395: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    396: 	    $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  397: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  398: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.115     albertel  399: 		$body_tag_start.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  400: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    401: 		    '<input type="hidden" name="command" value="showslots" />'.
                    402: 		    '<input type="submit" name="requestattempt" value="'.
                    403: 		    &mt('Show Slot list').'" />'.
                    404: 		    '</form>';
1.108     albertel  405: 		my $target_id = 
                    406: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    407: 							     part => '0'});
1.115     albertel  408: 		$body_tag_start.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  409: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    410: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    411: 		    '<input type="submit" name="grading" value="'.
                    412: 		    &mt('Show Grading Status').'" />'.
                    413: 		    '</form>';
1.40      albertel  414: 	    }
1.13      albertel  415: 	}
1.8       albertel  416:     }
1.74      albertel  417:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    418: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    419:     }
1.21      albertel  420:     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
1.1       albertel  421: 	$target eq 'tex') {
1.29      albertel  422: 	my ($version,$previous)=&get_version();
1.14      albertel  423: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  424: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.9       albertel  425: 	push(@Apache::inputtags::status,$status);
1.14      albertel  426: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  427: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  428: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  429: 	&Apache::run::run($expression,$safeeval);
                    430: 	&Apache::lonxml::debug("Got $status");
1.25      albertel  431: 	$body_tag_start.=&add_previous_version_button($status);
1.54      albertel  432: 	if (!&show_task($status,$previous)) {
1.87      albertel  433: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  434: 	    if ( $target eq "web" ) {
1.4       albertel  435: 		$result.= $head_tag_start.'</head>'.$body_tag_start;
1.74      albertel  436: 		if ($env{'request.state'} eq 'construct') {
                    437: 		    $result.=$form_tag_start;
                    438: 		}
1.4       albertel  439: 		my $msg;
1.1       albertel  440: 		if ($status eq 'UNAVAILABLE') {
                    441: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  442: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    443: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  444: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  445: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    446: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    447: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  448: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    449: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  450: 		} elsif ($env{'form.donescreen'}) {
                    451: 		    my $title=&Apache::lonnet::gettitle();
1.67      albertel  452: 		    my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
1.114     albertel  453: 		    my (undef,undef,$domain,$user)=
                    454: 			&Apache::lonxml::whichuser();
                    455: 		    my $files = '<ul>';
                    456: 		    foreach my $file (@files) {
                    457: 			my $url="/uploaded/$domain/$user/portfolio$file";
                    458: 			if (! &Apache::lonnet::stat_file($url)) {
                    459: 			    $file = &mt('<font color="red"> Nonexistant file:</font> <tt>[_1]</tt>',$file);
                    460: 			} else {
                    461: 			    $file = '<tt>'.$file.'</tt>';
                    462: 			}
                    463: 			$files .= '<li>'.$file.'</li>';
                    464: 		    }
                    465: 		    $files.='</ul>';
                    466: 
1.64      albertel  467: 		    $result.=<<DONESCREEN;
                    468: <h2>$title</h2>
                    469: <p> Files submitted: $files </p>
1.67      albertel  470: <p> You are now done with this Bridge Task </p>
1.64      albertel  471: <hr />
                    472: <p> <a href="/adm/logout">Logout</a> </p>
                    473: <p> <a href="/adm/roles">Change to a different course</a> </p>
                    474: DONESCREEN
1.1       albertel  475: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    476: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    477: 		}
                    478: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    479: 		    $msg.='The problem '.$accessmsg;
                    480: 		}
                    481: 		$result.=$msg.'<br />';
                    482: 	    } elsif ($target eq 'tex') {
                    483: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    484: 		if ($status eq 'UNAVAILABLE') {
                    485: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    486: 		} else {
                    487: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    488: 		}
1.22      albertel  489: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  490: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  491: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    492: 		       && defined($Apache::inputtags::slot_name)) {
1.77      albertel  493: 			my $result=&add_to_queue('gradingqueue',
1.82      albertel  494: 						 [$Apache::inputtags::slot_name]);
1.77      albertel  495: 			&Apache::lonxml::debug("add_to_queue said $result");
                    496: 		    }
1.4       albertel  497: 		}
1.1       albertel  498: 	    }
                    499: 	} elsif ($target eq 'web') {
1.123     albertel  500: 	    $result.="$head_tag_start</head>
1.125     albertel  501:               $body_tag_start \n";
1.36      albertel  502: 	    
1.57      albertel  503: 	    $result.=&preserve_grade_info();
                    504: 	    $result.=&internal_location();
1.36      albertel  505: 	    $result.=$form_tag_start.
                    506: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  507: 	    &Apache::lonxml::startredirection();
1.1       albertel  508: 	}
1.21      albertel  509:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    510: 	      $target eq 'webgrade') {
1.32      albertel  511: 	my $webgrade='yes';
1.21      albertel  512: 	if ($target eq 'webgrade') {
1.124     albertel  513: 	    $result.=$head_tag_start.
                    514: 		'</head>'.$body_tag_start.
                    515: 		"\n".'<div class="LC_GRADING_task">'."\n".
                    516: 		'<script type="text/javascript" 
1.126     albertel  517:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  518: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    519: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  520: 	}
1.33      albertel  521: 	# FIXME Blast! still need to reorg this, need to reshow the
                    522:         #       queue being reviewed once done with the grade pass...
                    523:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    524:         #       perhaps do a search if there is a key that is mine and if
                    525:         #       there isn't reshow the queue....
1.105     albertel  526: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  527: 
                    528: 	if ($todo) {
                    529: 	    &setup_env_for_other_user($todo,$safeeval);
                    530: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    531: 	    $result.="\n".'<table><tr><td>Found '.
                    532: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    533: 	    $form_tag_start.=
                    534: 		'<input type="hidden" name="gradingkey" value="'.
                    535: 		&Apache::lonnet::escape($todo).'" />';
                    536: 	    $Apache::bridgetask::queue_key=$todo;
                    537: 	    &Apache::structuretags::initialize_storage();
                    538: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  539: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    540: 		$form_tag_start.=
                    541: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  542: 	    }
1.15      albertel  543: 	} else {
1.33      albertel  544: 	    if ($target eq 'webgrade') {
                    545: 		$result.="\n";
1.81      albertel  546: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    547: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  548: 		if      ($status_code eq 'stop') {
1.81      albertel  549: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.33      albertel  550: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  551: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  552: 			.'</b>'.$back;
1.33      albertel  553: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  554: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    555: 			.'</b>'.$back;
1.33      albertel  556: 		    $result.=&show_queue($env{'form.queue'},1);
                    557: 		} elsif ($status_code eq 'show_list') {
                    558: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  559: 		} elsif ($status_code eq 'select_user') {
                    560: 		    $result.=&select_user();
1.95      albertel  561: 		} elsif ($status_code eq 'unable') {
                    562: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  563: 		} elsif ($status_code eq 'not_allowed') {
                    564: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  565: 		} else {
1.81      albertel  566: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  567: 		}
1.21      albertel  568: 	    }
1.33      albertel  569: 	    $webgrade='no';
1.87      albertel  570: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  571: 	}
                    572: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  573: 	    if ($webgrade eq 'yes') {
                    574: 		$result.=&submission_time_stamp();
                    575: 	    }
1.32      albertel  576: 	    $result.=$form_tag_start;
                    577: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    578: 		$webgrade.'" />';
                    579: 	    $result.='<input type="hidden" name="queue" value="'.
                    580: 		$env{'form.queue'}.'" />';
1.52      albertel  581: 	    if ($env{'form.regrade'}) {
                    582: 		$result.='<input type="hidden" name="regrade" value="'.
                    583: 		    $env{'form.regrade'}.'" />';
                    584: 	    }
1.62      albertel  585: 	    if ($env{'form.chosensections'}) {
                    586: 		my @chosen_sections=
                    587: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    588: 		foreach my $sec (@chosen_sections) {
                    589: 		    $result.='<input type="hidden" name="chosensections" 
                    590:                                value="'.$sec.'" />';
                    591: 		}
                    592: 	    }
1.70      albertel  593: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  594: 	}
1.110     albertel  595: 	if ($target eq 'webgrade') {
1.120     albertel  596: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.110     albertel  597: 	}
1.74      albertel  598:     } elsif ($target eq 'edit') {
                    599: 	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
                    600: 	    &Apache::structuretags::problem_edit_header();
                    601: 	$Apache::lonxml::warnings_error_header=
                    602: 	    &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 />";
                    603: 	my $temp=&Apache::edit::insertlist($target,$token);
                    604: 	$result.=$temp;
1.1       albertel  605:     } else {
                    606: 	# page_start returned a starting result, delete it if we don't need it
                    607: 	$result = '';
                    608:     }
                    609:     return $result;
                    610: }
                    611: 
1.32      albertel  612: sub get_key_todo {
                    613:     my ($target)=@_;
                    614:     my $todo;
1.33      albertel  615: 
                    616:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  617: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  618: 	$env{'form.queue'}='reviewqueue';
                    619: 	return (undef,'show_list');
                    620:     }
                    621: 
                    622:     if (defined($env{'form.reviewagrading'})) {
                    623: 	&Apache::lonxml::debug("review a grading....");
                    624: 	$env{'form.queue'}='gradingqueue';
                    625: 	return (undef,'show_list');
                    626:     }
                    627: 
1.49      albertel  628:     if (defined($env{'form.regradeasubmission'})) {
                    629: 	&Apache::lonxml::debug("regrade a grading....");
                    630: 	$env{'form.queue'}='none';
                    631: 	return (undef,'select_user');
                    632:     }
                    633: 
1.105     albertel  634: 
                    635:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    636: 
                    637:     #need to try both queues..
                    638:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    639: 	defined($env{'form.gradinguser'})               &&
                    640: 	defined($env{'form.gradingdomain'})               ) {
                    641: 	my ($symb,$cid)=&Apache::lonxml::whichuser();
                    642: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    643: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    644: 	my $uname = $env{'form.gradinguser'};
                    645: 	my $udom  = $env{'form.gradingdomain'};
                    646: 
                    647: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    648: 
                    649: 	my $queue;
                    650: 
                    651: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    652: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    653: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    654: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    655: 	}
                    656: 	
                    657: 	if (!$queue) {
                    658: 	    $env{'form.queue'} = $queue = 'none';
                    659: 	    #not queued so doing either a re or pre grade
                    660: 	    return ($gradingkey);
                    661: 	}
                    662: 
                    663: 	my $who=&queue_key_locked($queue,$gradingkey);
                    664: 	if ($who eq $me) {
                    665: 	    #already have the lock
                    666: 	    $env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);
                    667: 	    return ($gradingkey);
                    668: 	}
                    669: 	
                    670: 	if (!defined($who)) {
                    671: 	    if (&lock_key($queue,$gradingkey)) {
                    672: 		return ($gradingkey);
                    673: 	    } else {
                    674: 		return (undef,'lock_failed');
                    675: 	    }
                    676: 	}
                    677: 
                    678: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    679: 	return (undef,'not_allowed',
                    680: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
                    681: 		    $who,$env{'form.gradinguser'}.'@'.$env{'form.gradingdomain'}));
                    682:     }
                    683: 
                    684: 
1.32      albertel  685:     my $queue=$env{'form.queue'};
1.33      albertel  686: 
1.32      albertel  687:     if (!defined($queue)) {
                    688: 	$env{'form.queue'}=$queue='gradingqueue';
                    689:     }
1.33      albertel  690: 
1.32      albertel  691:     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.33      albertel  692: 
1.49      albertel  693:     if ($env{'form.queue'} eq 'none') {
                    694: 	if (defined($env{'form.gradingkey'})) {
                    695: 	    if ($target eq 'webgrade') {
                    696: 		if ($env{'form.stop'}) {
                    697: 		    return (undef,'stop');
                    698: 		} elsif ($env{'form.next'}) {
1.59      albertel  699: 		    return (undef,'select_user');
1.49      albertel  700: 		}
                    701: 	    }
                    702: 	    return ($gradingkey,'selected');
                    703: 	} else {
1.59      albertel  704: 	    return (undef,'select_user');
1.49      albertel  705: 	}
                    706:     }
1.32      albertel  707:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  708: 	&& !defined($env{'form.gradingaction'}) 
                    709: 	&& $env{'form.queuemode'} eq 'selected') {
                    710: 	
                    711: 	my $who=&queue_key_locked($queue,$gradingkey);
                    712: 	if ($who eq $me) {
                    713: 	    &Apache::lonxml::debug("Found a key was given to me");
                    714: 	    return ($gradingkey,'selected');
                    715: 	} else {
                    716: 	    return (undef,'show_list');
                    717: 	}
                    718: 
                    719:     }
                    720: 
                    721:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    722: 	if ($env{'form.gradingaction'} eq 'resume') {
                    723: 	    delete($env{'form.gradingaction'});
                    724: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  725: 	    return ($gradingkey);
1.33      albertel  726: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    727: 	    &Apache::lonxml::debug("Unlocking a key ".
                    728: 				     &check_queue_unlock($queue,$gradingkey,1));
                    729: 	    return (undef,'unlock');
                    730: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    731: 	    &Apache::lonxml::debug("Locking a key");
                    732: 	    if (&lock_key($queue,$gradingkey)) {
                    733: 		&Apache::lonxml::debug("Success $queue");
                    734: 		return ($gradingkey);
                    735: 	    }
                    736: 	    &Apache::lonxml::debug("Failed $queue");
                    737: 	    return (undef,'lock_failed');
1.32      albertel  738: 	}
                    739:     }
1.33      albertel  740: 
                    741:     if ($env{'form.queuemode'} ne 'selected') {
                    742: 	# don't get something new from the queue if they hit the stop button
                    743:     	if (!($env{'form.stop'} && $target eq 'webgrade') 
                    744: 	    && !$env{'form.gradingaction'}) {
                    745: 	    &Apache::lonxml::debug("Getting anew $queue");
                    746: 	    return (&get_from_queue($queue));
                    747: 	} else {
                    748: 	    return (undef,'stop');
                    749: 	}
1.32      albertel  750:     }
1.33      albertel  751:     return (undef,undef)
1.32      albertel  752: }
1.94      albertel  753: 
                    754: sub minimize_storage {
                    755:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    756: 	if ($key =~ /regrader$/) { next; }
                    757: 	if ($Apache::lonhomework::results{$key} eq
                    758: 	    $Apache::lonhomework::history{$key}) {
                    759: 	    delete($Apache::lonhomework::results{$key});
                    760: 	}
                    761:     }
                    762: }
                    763: 
1.1       albertel  764: sub end_Task {
                    765:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    766:     my $result='';
                    767:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  768:     my ($version,$previous)=&get_version();
1.1       albertel  769:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  770: 	$target eq 'tex') {
1.69      albertel  771: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  772: 	    if ($target eq 'web') {
1.54      albertel  773: 		if (&show_task($status,$previous)) {
                    774: 		    $result.=&Apache::lonxml::endredirection();
                    775: 		}
1.64      albertel  776: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    777: 		    !$env{'form.donescreen'}) {
1.15      albertel  778: 		    $result.="\n".'<table border="1">'.
1.28      albertel  779: 			&Apache::inputtags::file_selector("$version.0",
                    780: 							  "bridgetask","*",
1.46      albertel  781: 							  'portfolioonly',
                    782: 							  '
                    783: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    784: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  785: 							  "</table>";
1.77      albertel  786: 		}
1.78      albertel  787: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    788: 		    &show_task($status,$previous)) {
1.9       albertel  789: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  790: 		    $result.='</form>';
1.116     albertel  791: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel  792: 		    $result.=<<DONEBUTTON;
1.115     albertel  793: <form name="done" method="post" action="$action">
1.64      albertel  794:    <input type="hidden" name="donescreen" value="1" />
                    795:    <input type="submit" value="Done" />
                    796: </form>
                    797: DONEBUTTON
1.77      albertel  798:                 }
1.56      albertel  799: 		if (&show_task($status,$previous) &&
1.89      albertel  800: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    801: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  802: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  803: 
                    804: 		    my $slot_name=
1.89      albertel  805: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.80      albertel  806: 		    my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  807: 		    my $start_time=
                    808: 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
1.54      albertel  809: 
1.116     albertel  810: 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
1.54      albertel  811: 		    
                    812: 		    if ($bt_status eq 'pass')  {
                    813: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  814: 			    $start_time.'</h2>';
1.54      albertel  815: 		    }
                    816: 		    if ($bt_status eq 'fail')  {
                    817: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  818: 			    $start_time.'</h2>';
1.54      albertel  819: 			if (!$previous) {
                    820: 			    $status.=&add_request_another_attempt_button();
                    821: 			}
                    822: 		    }
                    823: 		    my $man_count=0;
                    824: 		    my $opt_count=0;
                    825: 		    my $opt_passed=0;
                    826: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    827: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    828: 			    eq 'N') {
                    829: 			    $opt_count++;
1.89      albertel  830: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  831: 				$opt_passed++;
                    832: 			    }
                    833: 			} else {
                    834: 			    $man_count++;
                    835: 			}
                    836: 		    }
                    837: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    838: 							 $parstack,$safeeval);
                    839: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.99      albertel  840: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
1.54      albertel  841: 
                    842: 		    my $internal_location=&internal_location();
                    843: 		    $result=~s/\Q$internal_location\E/$status/;
                    844: 		}
1.13      albertel  845: 	    } 
1.117     albertel  846: 	    if ($target eq 'web') {
                    847: 		$result.="\n</div>\n".&Apache::lonxml::xmlend().'</html>';
1.1       albertel  848: 	    }
                    849: 	}
1.29      albertel  850: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  851: 	    my $award='SUBMITTED';
1.28      albertel  852: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  853: 						    'portfiles',\$award);
1.14      albertel  854: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  855: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    856: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    857: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    858: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    859: 
                    860: 		$Apache::lonhomework::results{"resource.0.award"}=
                    861: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    862: 		    $award;
1.51      albertel  863: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    864: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  865: 	    } else {
                    866: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  867: 		$award = '';
1.10      albertel  868: 	    }
1.4       albertel  869: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    870: 	    &Apache::structuretags::finalize_storage();
1.83      albertel  871: 	    if ($award eq 'SUBMITTED'
                    872: 		&& defined($Apache::inputtags::slot_name)) {
1.82      albertel  873: 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
1.14      albertel  874: 	    }
1.79      albertel  875: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    876: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  877: 	}
1.32      albertel  878: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  879: 	    my $optional_required=
                    880: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    881: 					   $safeeval);
                    882: 	    my $optional_passed=0;
                    883: 	    my $mandatory_failed=0;
                    884: 	    my $ungraded=0;
                    885: 	    my $review=0;   
1.21      albertel  886: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  887: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    888: 		my $status=
1.89      albertel  889: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  890: 		my $mandatory=
                    891: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    892: 		if ($status eq 'pass') {
                    893: 		    if (!$mandatory) { $optional_passed++; }
                    894: 		} elsif ($status eq 'fail') {
                    895: 		    if ($mandatory) { $mandatory_failed++; }
                    896: 		} elsif ($status eq 'ungraded') {
                    897: 		    $ungraded++;
                    898: 		} elsif ($status eq 'review') {
                    899: 		    $review++;
1.49      albertel  900: 		} else {
                    901: 		    $ungraded++;
                    902: 		}
1.20      albertel  903: 	    }
                    904: 	    if ($optional_passed < $optional_required) {
                    905: 		$mandatory_failed++;
                    906: 	    }
1.21      albertel  907: 	    &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  908: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.20      albertel  909: 		$env{'user.name'}.'@'.$env{'user.domain'};
                    910: 	    if ($review) {
1.89      albertel  911: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  912: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    913: 		    &check_queue_unlock($env{'form.queue'});
                    914: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    915: 		} else {
1.49      albertel  916: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  917: 		}
1.20      albertel  918: 	    } elsif ($ungraded) {
1.89      albertel  919: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  920: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    921: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  922: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  923: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  924: 		} else {
                    925: 		    &check_queue_unlock($env{'form.queue'});
                    926: 		}
1.20      albertel  927: 	    } elsif ($mandatory_failed) {
1.89      albertel  928: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  929: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    930: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    931: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  932: 		&remove_from_queue($env{'form.queue'}); 
                    933: 
                    934: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  935: 		
                    936: 		if ($env{'form.regrade'} ne 'yes') {
                    937: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    938: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    939: 		    &Apache::grades::version_portfiles(
                    940: 						       \%Apache::lonhomework::results,
                    941: 						       ["$version.0.bridgetask"],$courseid,
                    942: 						       $symb,$udom,$uname,
                    943: 						       ["$version.0.bridgetask"]);
                    944: 		}
1.20      albertel  945: 	    } else {
1.89      albertel  946: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  947: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                    948: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                    949: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel  950: 		&remove_from_queue($env{'form.queue'});
1.39      albertel  951: 
                    952: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  953: 		if ($env{'form.regrade'} ne 'yes') {
                    954: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    955: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    956: 		    &Apache::grades::version_portfiles(
                    957: 						       \%Apache::lonhomework::results,
                    958: 						       ["$version.0.bridgetask"],$courseid,
                    959: 						       $symb,$udom,$uname,
                    960: 						       ["$version.0.bridgetask"]);
                    961: 		}
1.20      albertel  962: 	    }
1.89      albertel  963: 	    $Apache::lonhomework::results{"resource.0.status"}=
                    964: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel  965: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel  966: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel  967: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel  968: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel  969: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel  970: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel  971: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel  972: 	    }
1.94      albertel  973: 	    &minimize_storage();
1.21      albertel  974: 	    &Apache::structuretags::finalize_storage();
1.20      albertel  975: 	}
1.15      albertel  976:     } elsif ($target eq 'webgrade') {
1.111     albertel  977: 	$result.="</div>\n<hr />";
1.20      albertel  978: 	#$result.='<input type="submit" name="next" value="'.
                    979: 	#    &mt('Save &amp; Next').'" /> ';
                    980: 	#$result.='<input type="submit" name="end" value="'.
                    981: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                    982: 	#$result.='<input type="submit" name="throwaway" value="'.
                    983: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                    984: 	#$result.='<input type="submit" name="save" value="'.
                    985: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel  986: 	$result.='</form>'."\n</div>\n</div>\n".
1.117     albertel  987: 	    &Apache::loncommon::endbodytag().'</html>';
1.1       albertel  988:     } elsif ($target eq 'meta') {
1.70      albertel  989: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel  990:         $result.=&Apache::response::meta_stores_write('solved','string',
                    991: 						      'Problem Status');
                    992: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                    993: 						      'Number of Attempts');
                    994: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                    995: 						      'Partial Credit Factor');
                    996: 	$result.=&Apache::response::meta_stores_write('status','string',
                    997: 						      'Bridge Task Status');
1.1       albertel  998:     }
1.4       albertel  999:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1000:     return $result;
                   1001: }
                   1002: 
1.31      albertel 1003: sub move_between_queues {
                   1004:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1005:     my $cur_data;
                   1006:     if ($src_queue ne 'none') {
                   1007: 	$cur_data=&get_queue_data($src_queue);
                   1008: 	if (!$cur_data) { return 'not_exist'; }
                   1009:     } else {
                   1010: 	$cur_data = ['none'];
                   1011:     }
1.82      albertel 1012:     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
1.31      albertel 1013:     if ($result ne 'ok') {
                   1014: 	return $result;
                   1015:     }
                   1016:     &check_queue_unlock($src_queue);
                   1017:     return &remove_from_queue($src_queue);
1.21      albertel 1018: }
                   1019: 
                   1020: sub check_queue_unlock {
1.32      albertel 1021:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1022:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel 1023:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel 1024:     if (!defined($key)) {
                   1025: 	$key="$symb\0queue\0$uname\@$udom";
                   1026:     }
1.30      albertel 1027:     my $cnum=$env{'course.'.$cid.'.num'};
                   1028:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1029:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1030:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1031:     if  ($who eq $me) {
1.32      albertel 1032: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1033:     } elsif ($allow_not_me) {
1.33      albertel 1034: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1035: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1036:     }
1.32      albertel 1037:     return 'not_owner';
1.21      albertel 1038: }
                   1039: 
1.88      albertel 1040: sub in_queue {
                   1041:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1042:     if ($queue eq 'none') { return 0; }
                   1043:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1044: 	|| !defined($udom) || !defined($uname)) {
                   1045: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1046: 	$cnum=$env{'course.'.$cid.'.num'};
                   1047: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1048:     }
                   1049: 
                   1050:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1051:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1052: 
                   1053:     if (defined($results{$key})) {
                   1054: 	return 1;
                   1055:     }
                   1056:     return 0;
                   1057: }
                   1058: 
1.21      albertel 1059: sub remove_from_queue {
1.86      albertel 1060:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1061:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1062:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1063: 	|| !defined($udom) || !defined($uname)) {
                   1064: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1065: 	$cnum=$env{'course.'.$cid.'.num'};
                   1066: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1067:     }
1.88      albertel 1068:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1069: 	return 'ok';
                   1070:     }
1.86      albertel 1071:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1072:     my @keys=($key,"$key\0locked");
1.31      albertel 1073:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1074: }
                   1075: 
1.16      albertel 1076: sub setup_env_for_other_user {
                   1077:     my ($queue_key,$safeeval)=@_;
                   1078:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1079:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1080:     $env{'form.grade_symb'}=$symb;
                   1081:     $env{'form.grade_domain'}=$udom;
                   1082:     $env{'form.grade_username'}=$uname;
                   1083:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1084:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1085: }
                   1086: 
1.31      albertel 1087: sub get_queue_data {
                   1088:     my ($queue)=@_;
                   1089:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1090:     my $cnum=$env{'course.'.$cid.'.num'};
                   1091:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1092:     my $todo="$symb\0queue\0$uname\@$udom";
                   1093:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1094:     if ($key eq $todo && ref($value)) {
                   1095: 	return $value;
                   1096:     }
                   1097:     return undef;
                   1098: }
                   1099: 
1.84      albertel 1100: 
1.49      albertel 1101: sub check_queue_for_key {
1.84      albertel 1102:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1103: 
1.49      albertel 1104:     my %results=
                   1105: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1106:     
                   1107:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1108: 	if (defined($results{"$todo\0locked"})) {
                   1109: 	    return 'locked';
                   1110: 	}
1.86      albertel 1111: 	my $slot;
                   1112: 	if (ref($results{$todo}) eq 'ARRAY')  {
                   1113: 	    $slot = $results{$todo}[0];
                   1114: 	} elsif (ref($results{$todo}) eq 'HASH')  {
                   1115: 	    $slot = $results{$todo}{'slot'};
                   1116: 	}
                   1117: 	if (defined($slot)) {
                   1118: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1119: 	    if ($slot_data{'endtime'} > time) { 
                   1120: 		return 'in_progress';
                   1121: 	    }
1.58      albertel 1122: 	}
1.49      albertel 1123: 	return 'enqueued';
                   1124:     }
                   1125:     return undef;
                   1126: }
                   1127: 
1.14      albertel 1128: sub add_to_queue {
1.82      albertel 1129:     my ($queue,$user_data)=@_;
1.49      albertel 1130:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1131:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1132:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1133: 	return 'no_queue';
                   1134:     }
1.14      albertel 1135:     my $cnum=$env{'course.'.$cid.'.num'};
                   1136:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1137:     my %data;
1.82      albertel 1138:     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
1.83      albertel 1139:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1140: }
                   1141: 
                   1142: sub show_queue {
1.32      albertel 1143:     my ($queue,$with_selects)=@_;
1.14      albertel 1144:     my $result;
                   1145:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1146:     my $cnum=$env{'course.'.$cid.'.num'};
                   1147:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1148: 
                   1149:     my @chosen_sections=
                   1150: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1151:     &Apache::grades::init_perm();
                   1152:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1153:     &Apache::grades::reset_perm();
1.63      albertel 1154:     if (!(grep(/^all$/,@chosen_sections))) {
                   1155: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1156: 	    '</tt>.</p> '."\n";
                   1157:     }
1.59      albertel 1158: 
1.16      albertel 1159:     my $regexp="^$symb\0";
1.30      albertel 1160:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1161:     my ($tmp)=%queue;
                   1162:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1163: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1164:     }
1.103     albertel 1165:     my $title=&Apache::lonnet::gettitle($symb);
                   1166:     $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
                   1167:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
                   1168:     $result.="<th>user</th><th>data</th></tr>";
1.14      albertel 1169:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1170: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1171: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1172: 	if ($key=~/locked$/ && !$with_selects) {
1.103     albertel 1173: 	    $result.="<tr><td>$uname</td>";
                   1174: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1175: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.103     albertel 1176: 	    $result.="<tr><td></td>";
                   1177: 	    $result.='<td>'.
1.16      albertel 1178: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1179: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1180: 	    $result.="<tr>";
1.35      albertel 1181: 	    my $slot=$queue{$key}->[0];
                   1182: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
1.32      albertel 1183: 	    if ($with_selects) {
                   1184: 		my $ekey=&Apache::lonnet::escape($key);
1.103     albertel 1185: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1186: 		if (exists($queue{"$key\0locked"})) {
                   1187: 		    my $me=$env{'user.name'}.'@'.$env{'user.domain'};
1.103     albertel 1188: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1189: 		    if ($me eq $queue{"$key\0locked"}) {
                   1190: 			($action,$description)=('resume',&mt('Resume'));
                   1191: 		    } else {
                   1192: 			($action,$description)=('unlock',&mt('Unlock'));
                   1193: 		    }
                   1194: 		}
1.62      albertel 1195: 		my $seclist;
                   1196: 		foreach my $sec (@chosen_sections) {
                   1197: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1198:                                value="'.$sec.'" />';
                   1199: 		}
1.35      albertel 1200: 		if (time > $slot_data{'endtime'}) {
                   1201: 		    $result.=(<<FORM);
1.103     albertel 1202: <td>$status</td>
1.32      albertel 1203: <td>
1.115     albertel 1204: <form style="display: inline" method="post">
1.32      albertel 1205:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1206:  <input type="hidden" name="queue" value="$queue" />
                   1207:  <input type="hidden" name="gradingaction" value="$action" />
                   1208:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1209:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1210:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1211:  $seclist
1.32      albertel 1212: </form>
                   1213: </td>
                   1214: FORM
1.35      albertel 1215: 
                   1216:                 } else {
                   1217: 		    $result.='<td>'.&mt("In Progress").'</td>'
                   1218: 		}
1.32      albertel 1219: 	    }
1.104     albertel 1220: 	    $result.= "<td>".$fullname->{$uname.':'.$udom}.
                   1221: 		" <tt>($uname\@$udom)</tt> </td>";
1.103     albertel 1222: 	    $result.='<td>Slot: '.$slot.' End time: '.
1.20      albertel 1223: 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
                   1224: 		"</td></tr>";
1.16      albertel 1225: 	}
1.14      albertel 1226:     }
1.15      albertel 1227:     $result.="</table><hr />\n";
1.14      albertel 1228:     return $result;
                   1229: }
                   1230: 
1.34      albertel 1231: sub get_queue_counts {
                   1232:     my ($queue)=@_;
                   1233:     my $result;
                   1234:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1235:     my $cnum=$env{'course.'.$cid.'.num'};
                   1236:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1237:     my $regexp="^$symb\0";
                   1238:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1239:     my ($tmp)=%queue;
                   1240:     if ($tmp=~/^error: 2 /) {
                   1241: 	return (0,0,0);
                   1242:     }
                   1243:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1244:     my %slot_cache;
1.34      albertel 1245:     foreach my $key (sort(keys(%queue))) {
                   1246: 	if ($key=~/locked$/) {
                   1247: 	    $locks++;
                   1248: 	} elsif ($key=~/timestamp$/) {
                   1249: 	    #ignore
                   1250: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1251: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1252: 	    $entries++;
                   1253: 	    my $slot=$queue{$key}->[0];
1.96      albertel 1254: 	    if (!exists($slot_cache{$slot})) {
                   1255: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1256: 		$slot_cache{$slot} = \%slot_data;
                   1257: 	    }
                   1258: 	    if (time > $slot_cache{$slot}{'endtime'}) {
1.34      albertel 1259: 		$ready_to_grade++;
                   1260: 	    }
                   1261: 	}
                   1262:     }
                   1263:     return ($entries,$ready_to_grade,$locks);
                   1264: }
                   1265: 
1.49      albertel 1266: sub encode_queue_key {
                   1267:     my ($symb,$udom,$uname)=@_;
                   1268:     return "$symb\0queue\0$uname\@$udom";
                   1269: }
                   1270: 
1.14      albertel 1271: sub decode_queue_key {
                   1272:     my ($key)=@_;
                   1273:     my ($symb,undef,$user) = split("\0",$key);
                   1274:     my ($uname,$udom) = split('@',$user);
                   1275:     return ($symb,$uname,$udom);
                   1276: }
                   1277: 
                   1278: sub queue_key_locked {
1.30      albertel 1279:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1280:     if (!defined($cdom) || !defined($cnum)) {
                   1281: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1282: 	$cnum=$env{'course.'.$cid.'.num'};
                   1283: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1284:     }
1.14      albertel 1285:     my ($key_locked,$value)=
1.30      albertel 1286: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1287:     if ($key_locked eq "$key\0locked") {
                   1288: 	return $value;
                   1289:     }
                   1290:     return undef;
                   1291: }
                   1292: 
                   1293: sub pick_from_queue_data {
1.30      albertel 1294:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
1.98      albertel 1295:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1296:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1297: 	if ($key =~ /\0locked$/) { next; }
                   1298: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1299: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1300: 	if ($check_section) {
                   1301: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1302: 	    if ($section eq $check_section) {
1.33      albertel 1303: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1304: 		next;
                   1305: 	    }
1.14      albertel 1306: 	}
1.30      albertel 1307: 	my $slot=$queuedata->{$key}[0];
1.14      albertel 1308: 	my %slot_data=&Apache::lonnet::get_slot($slot);
1.15      albertel 1309: 	if ($slot_data{'endtime'} > time) { 
1.33      albertel 1310: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1311: 	    next;
                   1312: 	}
1.98      albertel 1313: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1314: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1315: 	    next;
                   1316: 	}
1.98      albertel 1317: 	push(@possible,[$key,$slot_data{'endtime'}]);
                   1318:     }
                   1319:     if (@possible) {
                   1320:         # sort entries in order by slot end time
                   1321: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
                   1322: 	# pick one of the first ten entries
                   1323: 	my $max=($#possible < 10) ? $#possible : 10;
                   1324: 	return $possible[int(rand($max))][0];
1.14      albertel 1325:     }
                   1326:     return undef;
                   1327: }
                   1328: 
1.15      albertel 1329: sub find_mid_grade {
1.30      albertel 1330:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1331:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.15      albertel 1332:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1333:     if ($todo) {
1.30      albertel 1334: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1335: 	if ($who eq $me) { return $todo; }
                   1336:     }
                   1337:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1338:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1339:     foreach my $key (keys(%locks)) {
                   1340: 	my $who=$locks{$key};
                   1341: 	if ($who eq $me) {
                   1342: 	    $todo=$key;
                   1343: 	    $todo=~s/\0locked$//;
                   1344: 	    return $todo;
                   1345: 	}
                   1346:     }
                   1347:     return undef;
                   1348: }
                   1349: 
1.32      albertel 1350: sub lock_key {
                   1351:     my ($queue,$todo)=@_;
                   1352:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1353:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1354:     my $cnum=$env{'course.'.$cid.'.num'};
                   1355:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1356:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1357: 					$cdom,$cnum);
1.33      albertel 1358:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1359:     if ($success eq 'ok') {
                   1360: 	return 1;
                   1361:     }
                   1362:     return 0;
                   1363: }
                   1364: 
1.86      albertel 1365: sub get_queue_symb_status {
1.85      albertel 1366:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1367:     if (!defined($cdom) || !defined($cnum)) {
                   1368: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1369: 	$cnum=$env{'course.'.$cid.'.num'};
                   1370: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1371:     }
                   1372:     my $regexp="^$symb\0";
                   1373:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1374:     my ($tmp)=%queue;
                   1375:     if ($tmp=~/^error: 2 /) { return; }
                   1376:     my @users;
                   1377:     foreach my $key (sort(keys(%queue))) {
                   1378: 	next if ($key=~/locked$/);
                   1379: 	next if ($key=~/timestamp$/);
                   1380: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1381: 	push(@users,"$uname:$udom");
                   1382:     }
                   1383:     return @users;
                   1384: }
                   1385: 
1.14      albertel 1386: sub get_from_queue {
1.30      albertel 1387:     my ($queue)=@_;
1.14      albertel 1388:     my $result;
                   1389:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1390:     my $cnum=$env{'course.'.$cid.'.num'};
                   1391:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1392:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1393:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1394:     if ($todo) { return $todo; }
1.95      albertel 1395:     my $attempts=0;
1.14      albertel 1396:     while (1) {
1.95      albertel 1397: 	if ($attempts > 2) {
                   1398: 	    # tried twice to get a queue entry, giving up
                   1399: 	    return (undef,'unable');
                   1400: 	}
1.14      albertel 1401: 	my $starttime=time;
1.83      albertel 1402: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1403: 			      $cdom,$cnum);
1.33      albertel 1404: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1405: 	my $regexp="^$symb\0queue\0";
1.97      albertel 1406: 	my $range= ($attempts < 1 ) ? '0-100' : '0-400';
                   1407: 
1.98      albertel 1408: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1409: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1410: 	if ($env{'request.course.sec'}) {
1.33      albertel 1411: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1412: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1413: 					\%queue,$cdom,$cnum);
1.33      albertel 1414: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1415: 	}
1.33      albertel 1416: 	# no one _not_ in our section so look for any user that is
                   1417: 	# ready for grading
1.14      albertel 1418: 	if (!$todo) {
1.33      albertel 1419: 	    &Apache::lonxml::debug("no sce");
1.98      albertel 1420: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);
1.33      albertel 1421: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1422: 	}
                   1423: 	# no user to grade 
                   1424: 	if (!$todo) { last; }
1.33      albertel 1425: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1426: 	# otherwise found someone so lets try to lock them
1.32      albertel 1427: 	# unless someone else already picked them
1.95      albertel 1428: 	if (!&lock_key($queue,$todo)) {
                   1429: 	    $attempts++;
                   1430: 	    next;
                   1431: 	}
1.14      albertel 1432: 	my (undef,$endtime)=
1.30      albertel 1433: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1434: 				 $cdom,$cnum);
1.33      albertel 1435: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1436: 	# someone else already modified the queue, 
                   1437: 	# perhaps our picked user wass already fully graded between
                   1438: 	# when we picked him and when we locked his record? so lets
                   1439: 	# double check.
                   1440: 	if ($endtime != $starttime) {
                   1441: 	    my ($key,$value)=
1.30      albertel 1442: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1443: 				     $cdom,$cnum);
1.33      albertel 1444: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1445: 	    if ($key eq $todo && ref($value)) {
                   1446: 	    } else {
1.30      albertel 1447: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1448: 				     $cdom,$cnum);
1.33      albertel 1449: 		&Apache::lonxml::debug("del");
1.95      albertel 1450: 		$attempts++;
1.14      albertel 1451: 		next;
                   1452: 	    }
                   1453: 	}
1.33      albertel 1454: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1455: 	last;
                   1456:     }
                   1457:     return $todo;
                   1458: }
                   1459: 
1.49      albertel 1460: sub select_user {
                   1461:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1462: 
1.59      albertel 1463:     my @chosen_sections=
                   1464: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1465:     &Apache::grades::init_perm();
1.59      albertel 1466:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1467:     &Apache::grades::reset_perm();
1.63      albertel 1468:     
                   1469:     my $result;
                   1470:     if (!(grep(/^all$/,@chosen_sections))) {
                   1471: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1472: 	    '</tt>.</p> '."\n";
                   1473:     }
                   1474:     $result.='<table border="1">';
1.49      albertel 1475: 
                   1476:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1477: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1478: 	
1.84      albertel 1479: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1480: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1481: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1482: 					 'Task');
1.49      albertel 1483: 	my $queue = 'none';
1.58      albertel 1484: 	my $cannot_grade;
                   1485: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1486: 	    $queue = 'reviewqueue';
1.58      albertel 1487: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1488: 		$cannot_grade=1;
                   1489: 	    }
                   1490: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1491: 	    $queue = 'gradingqueue';
1.58      albertel 1492: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1493: 		$cannot_grade=1;
                   1494: 	    }
1.49      albertel 1495: 	}
                   1496: 	my $todo = 
                   1497: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1498: 	if ($cannot_grade) {
                   1499: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1500: 		'</td><td>';
                   1501: 	} else {
1.62      albertel 1502: 	    my $seclist;
                   1503: 	    foreach my $sec (@chosen_sections) {
                   1504: 		$seclist.='<input type="hidden" name="chosensections" 
                   1505:                                value="'.$sec.'" />';
                   1506: 	    }
1.102     albertel 1507: 	    my $studentdis = $student;
                   1508: 	    $studentdis =~ tr/:/@/;
1.58      albertel 1509: 	    $result.=<<RESULT;
1.49      albertel 1510: <tr>
                   1511:   <td>
1.115     albertel 1512:     <form style="display: inline" method="post">
1.49      albertel 1513:       <input type="hidden" name="gradingkey" value="$todo" />
                   1514:       <input type="hidden" name="queue" value="$queue" />
                   1515:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1516:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1517:       <input type="submit" name="submit" value="Regrade" />
                   1518:       $seclist
1.49      albertel 1519:     </form>
1.102     albertel 1520:   <td>$fullname->{$student} <tt>($studentdis)</tt></td>
1.49      albertel 1521:   <td>
                   1522: RESULT
1.58      albertel 1523:         }
1.49      albertel 1524:         if ($status{'status'} eq 'pass') {
                   1525: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1526: 	} elsif ($status{'status'} eq 'fail') {
                   1527: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1528: 	} elsif ($status{'status'} eq 'review') {
                   1529: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1530: 	} elsif ($status{'status'} eq 'ungraded') {
                   1531: 	    $result .= &mt('Ungraded');
                   1532: 	} elsif ($status{'status'} ne '') {
                   1533: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1534: 	} else {
                   1535: 	    $result.="&nbsp;";
                   1536: 	}
                   1537: 	if ($status{'version'}) {
                   1538: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1539: 	}
1.101     albertel 1540: 	if ($status{'grader'}) {
                   1541: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1542: 	}
1.49      albertel 1543: 	$result.= '</td><td>';
                   1544: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1545: 	    $result .= &mt('Awaiting Review');
                   1546: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1547: 	    $result .= &mt('Under Review');
1.58      albertel 1548: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1549: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1550: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1551: 	    $result .= &mt('Awaiting Grading');
                   1552: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1553: 	    $result .= &mt('Being Graded');
1.58      albertel 1554: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1555: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1556: 	} else {
                   1557: 	    $result.="&nbsp;";
                   1558: 	}
                   1559: 	$result.= '</td></tr>';
                   1560:     }
                   1561:     $result.='</table>';
                   1562:     return $result;
                   1563: }
                   1564: 
                   1565: sub get_student_status {
1.86      albertel 1566:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1567: 
                   1568:     my %status;
                   1569: 
                   1570:     if ($type eq 'Task') {
                   1571: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1572: 					  $udom,$uname);
1.89      albertel 1573: 	$status{'status'}=$record{'resource.0.status'};
                   1574: 	$status{'version'}=$record{'resource.0.version'};
                   1575: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1576:     }
                   1577:     $status{'reviewqueue'}=
                   1578: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1579: 			     &encode_queue_key($symb,$udom,$uname));
                   1580:     $status{'gradingqueue'}=
                   1581: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1582: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1583:     return %status;
                   1584: }
                   1585: 
1.1       albertel 1586: sub start_ClosingParagraph {
                   1587:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1588:     my $result;
                   1589:     if ($target eq 'web') {
1.13      albertel 1590:     } elsif ($target eq 'webgrade') {
                   1591: 	&Apache::lonxml::startredirection();
1.1       albertel 1592:     }
                   1593:     return $result;
                   1594: }
                   1595: 
                   1596: sub end_ClosingParagraph {
                   1597:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1598:     my $result;
                   1599:     if ($target eq 'web') {
1.13      albertel 1600:     } elsif ($target eq 'webgrade') {
                   1601: 	&Apache::lonxml::endredirection();
1.1       albertel 1602:     }
                   1603:     return $result;
                   1604: }
                   1605: 
1.19      albertel 1606: sub get_id {
                   1607:     my ($parstack,$safeeval)=@_;
                   1608:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1609:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1610:     return $id;
                   1611: }
                   1612: 
1.1       albertel 1613: my %dimension;
                   1614: sub start_Dimension {
                   1615:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1616:     undef(%dimension);
1.19      albertel 1617:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1618:     $Apache::bridgetask::dimension=$dim_id;
                   1619:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1620:     undef(@Apache::bridgetask::instance);
1.20      albertel 1621:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1622: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1623:     &Apache::lonxml::startredirection();
                   1624:     return &internal_location($dim_id);
1.1       albertel 1625: }
                   1626: 
1.13      albertel 1627: sub get_instance {
1.75      albertel 1628:     my ($dim)=@_;
                   1629:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1630:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1631: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1632: 	$rand_alg eq '64bit4' ) {
                   1633: 	&Apache::response::pushrandomnumber();
                   1634: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1635: 	my $num=@order;
                   1636: 	my $version=&get_version();
                   1637: 	my $which=($version-1)%$num;
                   1638: 	return $order[$which];
                   1639:     } else {
                   1640: 	my ($version,$previous) = &get_version();
                   1641: 	my $instance = 
                   1642: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1643: 	if (defined($instance)) { return $instance; }
                   1644: 
                   1645: 	&Apache::response::pushrandomnumber();
                   1646: 	my @instances = @{$dimension{'instances'}};
                   1647: 	# remove disabled instances
                   1648: 	for (my $i=0; $i < $#instances; $i++) {
                   1649: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1650: 		splice(@instances,$i,1);
                   1651: 		$i--;
                   1652: 	    }
                   1653: 	}
                   1654: 	@instances = &Math::Random::random_permutation(@instances);
                   1655: 	$instance  = $instances[($version-1)%scalar(@instances)];
                   1656: 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1657: 	    $instance;
1.79      albertel 1658: 	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 1659: 	&Apache::response::poprandomnumber();
                   1660: 	return $instance;
                   1661:     }
1.13      albertel 1662: }
                   1663: 
1.18      albertel 1664: {
                   1665:     my $last_link;
1.122     albertel 1666:     sub link {
                   1667: 	my ($instance,$id) = @_;
                   1668: 	return 'LC_GRADING_criteria_'.$instance.'_'.$id;
                   1669:     }
1.18      albertel 1670:     sub end_Dimension {
                   1671: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1672: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1673: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1674: 	my $instance=&get_instance($dim);
1.25      albertel 1675: 	my $version=&get_version();
1.18      albertel 1676: 	if ($target eq 'web') {
1.47      albertel 1677: 	    @Apache::scripttag::parser_env = @_;
                   1678: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1679: 	    my @instances = $instance;
                   1680: 	    if (&Apache::response::showallfoils()) {
                   1681: 		@instances = @{$dimension{'instances'}};
                   1682: 	    }
                   1683: 	    foreach my $instance (@instances) {
                   1684: 		@Apache::scripttag::parser_env = @_;
                   1685: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89      albertel 1686: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1687: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1688: 
1.89      albertel 1689: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1690: 		    my $mandatory='Mandatory';
                   1691: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1692: 			$mandatory='Optional';
                   1693: 		    }
1.116     albertel 1694: 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
1.76      albertel 1695: 		    if ($dim_status eq 'pass') {
                   1696: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1697: 		    }
1.76      albertel 1698: 		    if ($dim_status eq 'fail') {
                   1699: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1700: 		    }
1.76      albertel 1701: 		    my $man_count=0;
                   1702: 		    my $man_passed=0;
                   1703: 		    my $opt_count=0;
                   1704: 		    my $opt_passed=0;
                   1705: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1706: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1707: 			    eq 'N') {
                   1708: 			    $opt_count++;
1.89      albertel 1709: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1710: 				$opt_passed++;
                   1711: 			    }
                   1712: 			} else {
                   1713: 			    $man_count++;
1.89      albertel 1714: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1715: 				$man_passed++;
                   1716: 			    }
                   1717: 			}
1.22      albertel 1718: 		    }
1.76      albertel 1719: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1720: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1721: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1722: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1723: 
                   1724: 		    my $internal_location=&internal_location($dim);
                   1725: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1726: 
                   1727: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1728: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
                   1729: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1730: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1731: 			if ($mandatory) {
                   1732: 			    $mandatory='Mandatory';
                   1733: 			} else {
                   1734: 			    $mandatory='Optional';
                   1735: 			}
                   1736: 			if ($status eq 'fail') {
                   1737: 			} elsif ($status eq 'pass') {
                   1738: 			} else {
                   1739: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1740: 			}
                   1741: 			my $status_display=$status;
                   1742: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1743: 			@Apache::scripttag::parser_env = @_;
1.116     albertel 1744: 			$result.=
                   1745: 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
                   1746: 			    .$mandatory.' Criteria</h4><p>';
1.76      albertel 1747: 			@Apache::scripttag::parser_env = @_;
                   1748: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.116     albertel 1749: 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
1.89      albertel 1750: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
1.116     albertel 1751: 			    $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';
1.76      albertel 1752: 			}
                   1753: 			$result.='</div>';
1.22      albertel 1754: 		    }
                   1755: 		}
                   1756: 	    }
1.18      albertel 1757: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1758: 	    # in case of any side effects that we need
                   1759: 	    @Apache::scripttag::parser_env = @_;
                   1760: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1761: 	    @Apache::scripttag::parser_env = @_;
                   1762: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1763: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1764: 		my $link=&link($instance,$id);
1.89      albertel 1765: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.120     albertel 1766: 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
1.111     albertel 1767: 		    '<a name="'.$link.'" />'."\n".
                   1768: 		    '<a name="next_'.$last_link.'" />'."\n".
1.120     albertel 1769: 		    '<div class="LC_GRADING_criteriatext">'."\n";
1.47      albertel 1770: 		@Apache::scripttag::parser_env = @_;
                   1771: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.111     albertel 1772: 		$result.='</div>'."\n".
1.18      albertel 1773: 		    #$dimension{$instance.'.criteria.'.$id}.
1.120     albertel 1774: 		    '<div class="LC_GRADING_grade">'."\n".
                   1775: 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
                   1776: 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
                   1777: 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
                   1778: 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
1.111     albertel 1779: 		    '</div>'."\n".
1.120     albertel 1780: 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
                   1781: 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".
1.111     albertel 1782: 		    '</label>'."\n".
1.120     albertel 1783: 		    '<ul class="LC_GRADING_navbuttons">'."\n".
1.111     albertel 1784: 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
                   1785: 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
                   1786: 		    '</ul>'."\n".
                   1787:                     '</div>'."\n";
1.113     albertel 1788: 		$result.=&grading_history($version,$dim,$instance,$id);
1.18      albertel 1789: 		$last_link=$link;
                   1790: 	    }
1.22      albertel 1791: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1792: 	    my $optional_passed=0;
1.20      albertel 1793: 	    my $mandatory_failed=0;
                   1794: 	    my $ungraded=0;
                   1795: 	    my $review=0;
1.19      albertel 1796: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1797: 		my $link=&link($instance,$id);
                   1798: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_'.$link};
                   1799: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
1.20      albertel 1800: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1801: 		if ($status eq 'pass') {
                   1802: 		    if (!$mandatory) { $optional_passed++; }
                   1803: 		} elsif ($status eq 'fail') {
                   1804: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1805: 		} elsif ($status eq 'review') {
                   1806: 		    $review++;
1.20      albertel 1807: 		} elsif ($status eq 'ungraded') {
                   1808: 		    $ungraded++;
1.21      albertel 1809: 		} else {
1.47      albertel 1810: 		    $ungraded++;
1.19      albertel 1811: 		}
                   1812: 	    }
1.20      albertel 1813: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1814: 		$mandatory_failed++;
                   1815: 	    }
1.21      albertel 1816: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1817: 	    if ($review) {
1.89      albertel 1818: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1819: 		    'review';
1.20      albertel 1820: 	    } elsif ($ungraded) {
1.89      albertel 1821: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1822: 		    'ungraded';
1.20      albertel 1823: 	    } elsif ($mandatory_failed) {
1.89      albertel 1824: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1825: 		    'fail';
1.20      albertel 1826: 	    } else {
1.91      albertel 1827: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1828: 		    'pass';
1.20      albertel 1829: 	    }
1.69      albertel 1830: 	} else {
                   1831: 	    # any other targets no output
                   1832: 	    undef($result);
1.13      albertel 1833: 	}
1.18      albertel 1834: 	return $result;
1.1       albertel 1835:     }
                   1836: }
                   1837: 
1.113     albertel 1838: sub grading_history {
                   1839:     my ($version,$dim,$instance,$criteria) = @_;
                   1840:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   1841: 	return '';
                   1842:     }
                   1843:     my ($result,$grader);
                   1844:     my $scope="resource.$version.0.$dim.$instance.$criteria";
                   1845:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   1846: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   1847: 	    my ($gname,$gdom) = 
                   1848: 		split('@',$Apache::lonhomework::history{$t.':resource.0.regrader'});
                   1849: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   1850: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   1851: 							 $gname,$gdom);
                   1852: 	}
                   1853: 	my $entry;
                   1854: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   1855: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   1856: 	}
                   1857: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   1858: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   1859: 	}
                   1860: 	if ($entry) {
                   1861: 	    $result.= "<li>$grader : $entry </li>";
                   1862: 	}
                   1863:     }
                   1864:     if ($result) {
1.120     albertel 1865: 	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
1.113     albertel 1866:     }
                   1867:     return '';
                   1868: }
                   1869: 
1.1       albertel 1870: sub start_IntroParagraph {
1.87      albertel 1871:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1872:     my $result;
1.13      albertel 1873:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1874: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1875: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1876: 	
1.128   ! albertel 1877: 	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 1878: 	    &Apache::lonxml::startredirection();
1.128   ! albertel 1879: 	} else {
        !          1880: 	    &Apache:;lonxml::error("Invalid use of <IntroParagraph> inside of <".$tagstack->[-2].">");
        !          1881: 	    &Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.1       albertel 1882: 	}
1.47      albertel 1883: 	
1.1       albertel 1884:     }
                   1885:     return $result;
                   1886: }
                   1887: 
                   1888: sub end_IntroParagraph {
1.127     albertel 1889:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128   ! albertel 1890:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 1891: 	my $result = &Apache::lonxml::endredirection();
                   1892:     }
1.1       albertel 1893: }
                   1894: 
                   1895: sub start_Instance {
                   1896:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1897:     my $id=&get_id($parstack,$safeeval);
                   1898:     push(@{$dimension{'instances'}},$id);
                   1899:     push(@Apache::bridgetask::instance,$id);
                   1900:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1901:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1902: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1903:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1904:     if (lc($disabled) eq 'yes') {
                   1905: 	$dimension{$id.'.disabled'}='1';
                   1906:     }
1.1       albertel 1907:     return '';
                   1908: }
                   1909: 
                   1910: sub end_Instance {
                   1911: }
                   1912: 
                   1913: sub start_InstanceText {
1.87      albertel 1914:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 1915:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1916:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.13      albertel 1917:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1918: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 1919:     }
                   1920:     return '';
                   1921: }
                   1922: 
                   1923: sub end_InstanceText {
                   1924:     return '';
                   1925: }
                   1926: 
                   1927: sub start_Criteria {
1.87      albertel 1928:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 1929:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1930:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 1931:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 1932: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 1933: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 1934: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   1935: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 1936: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   1937:     }
                   1938:     return '';
                   1939: }
                   1940: 
1.47      albertel 1941: sub end_Criteria {
                   1942: }
                   1943: 
1.4       albertel 1944: sub proctor_validation_screen {
                   1945:     my ($slot) = @_;
                   1946:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 1947:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 1948:     my $name=&Apache::loncommon::plainname($user,$domain);
                   1949:     
1.4       albertel 1950:     my $msg;
1.11      albertel 1951:     if ($env{'form.proctorpassword'}) {
1.4       albertel 1952: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   1953: 	    .'</font></p>';
                   1954:     }
1.47      albertel 1955:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 1956:     my $result= (<<ENDCHECKOUT);
                   1957: <h2>Proctor Validation</h2>
                   1958:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   1959:     $msg
1.115     albertel 1960: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 1961: <input type="hidden" name="validate" value="yes" />
                   1962: <input type="hidden" name="submitted" value="yes" />
                   1963: <table>
1.44      albertel 1964:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 1965:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 1966:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 1967: </table>
                   1968: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 1969: <table border="1">
                   1970:   <tr><td>
                   1971:     <table>
                   1972:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   1973:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 1974:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.44      albertel 1975:       <tr><td>Usename</td><td>$user\@$domain</td></tr>
                   1976:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   1977:     </table>
                   1978:   </tr></td>
                   1979: </table>
1.4       albertel 1980: </form>
                   1981: ENDCHECKOUT
                   1982:     return $result;
                   1983: }
                   1984: 
1.1       albertel 1985: 1;
                   1986: __END__

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