Annotation of loncom/homework/bridgetask.pm, revision 1.128.2.4

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.128.2.4! albertel    4: # $Id: bridgetask.pm,v 1.128.2.3 2006/03/29 23:05:00 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";
1.128.2.1  albertel  458: 			$file = '<tt>'.$file.'</tt>';
1.114     albertel  459: 			$files .= '<li>'.$file.'</li>';
                    460: 		    }
                    461: 		    $files.='</ul>';
                    462: 
1.64      albertel  463: 		    $result.=<<DONESCREEN;
                    464: <h2>$title</h2>
                    465: <p> Files submitted: $files </p>
1.67      albertel  466: <p> You are now done with this Bridge Task </p>
1.64      albertel  467: <hr />
                    468: <p> <a href="/adm/logout">Logout</a> </p>
                    469: <p> <a href="/adm/roles">Change to a different course</a> </p>
                    470: DONESCREEN
1.1       albertel  471: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    472: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    473: 		}
                    474: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    475: 		    $msg.='The problem '.$accessmsg;
                    476: 		}
                    477: 		$result.=$msg.'<br />';
                    478: 	    } elsif ($target eq 'tex') {
                    479: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    480: 		if ($status eq 'UNAVAILABLE') {
                    481: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    482: 		} else {
                    483: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    484: 		}
1.22      albertel  485: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  486: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  487: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    488: 		       && defined($Apache::inputtags::slot_name)) {
1.77      albertel  489: 			my $result=&add_to_queue('gradingqueue',
1.82      albertel  490: 						 [$Apache::inputtags::slot_name]);
1.77      albertel  491: 			&Apache::lonxml::debug("add_to_queue said $result");
                    492: 		    }
1.4       albertel  493: 		}
1.1       albertel  494: 	    }
                    495: 	} elsif ($target eq 'web') {
1.123     albertel  496: 	    $result.="$head_tag_start</head>
1.125     albertel  497:               $body_tag_start \n";
1.36      albertel  498: 	    
1.57      albertel  499: 	    $result.=&preserve_grade_info();
                    500: 	    $result.=&internal_location();
1.36      albertel  501: 	    $result.=$form_tag_start.
                    502: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  503: 	    &Apache::lonxml::startredirection();
1.1       albertel  504: 	}
1.21      albertel  505:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    506: 	      $target eq 'webgrade') {
1.32      albertel  507: 	my $webgrade='yes';
1.21      albertel  508: 	if ($target eq 'webgrade') {
1.124     albertel  509: 	    $result.=$head_tag_start.
                    510: 		'</head>'.$body_tag_start.
                    511: 		"\n".'<div class="LC_GRADING_task">'."\n".
                    512: 		'<script type="text/javascript" 
1.126     albertel  513:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  514: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    515: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  516: 	}
1.33      albertel  517: 	# FIXME Blast! still need to reorg this, need to reshow the
                    518:         #       queue being reviewed once done with the grade pass...
                    519:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    520:         #       perhaps do a search if there is a key that is mine and if
                    521:         #       there isn't reshow the queue....
1.105     albertel  522: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  523: 
                    524: 	if ($todo) {
                    525: 	    &setup_env_for_other_user($todo,$safeeval);
                    526: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    527: 	    $result.="\n".'<table><tr><td>Found '.
                    528: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    529: 	    $form_tag_start.=
                    530: 		'<input type="hidden" name="gradingkey" value="'.
                    531: 		&Apache::lonnet::escape($todo).'" />';
                    532: 	    $Apache::bridgetask::queue_key=$todo;
                    533: 	    &Apache::structuretags::initialize_storage();
                    534: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  535: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    536: 		$form_tag_start.=
                    537: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  538: 	    }
1.15      albertel  539: 	} else {
1.33      albertel  540: 	    if ($target eq 'webgrade') {
                    541: 		$result.="\n";
1.81      albertel  542: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    543: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  544: 		if      ($status_code eq 'stop') {
1.81      albertel  545: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.33      albertel  546: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  547: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  548: 			.'</b>'.$back;
1.33      albertel  549: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  550: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    551: 			.'</b>'.$back;
1.33      albertel  552: 		    $result.=&show_queue($env{'form.queue'},1);
                    553: 		} elsif ($status_code eq 'show_list') {
                    554: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  555: 		} elsif ($status_code eq 'select_user') {
                    556: 		    $result.=&select_user();
1.95      albertel  557: 		} elsif ($status_code eq 'unable') {
                    558: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  559: 		} elsif ($status_code eq 'not_allowed') {
                    560: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  561: 		} else {
1.81      albertel  562: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  563: 		}
1.21      albertel  564: 	    }
1.33      albertel  565: 	    $webgrade='no';
1.87      albertel  566: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  567: 	}
                    568: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  569: 	    if ($webgrade eq 'yes') {
                    570: 		$result.=&submission_time_stamp();
                    571: 	    }
1.32      albertel  572: 	    $result.=$form_tag_start;
                    573: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    574: 		$webgrade.'" />';
                    575: 	    $result.='<input type="hidden" name="queue" value="'.
                    576: 		$env{'form.queue'}.'" />';
1.52      albertel  577: 	    if ($env{'form.regrade'}) {
                    578: 		$result.='<input type="hidden" name="regrade" value="'.
                    579: 		    $env{'form.regrade'}.'" />';
                    580: 	    }
1.62      albertel  581: 	    if ($env{'form.chosensections'}) {
                    582: 		my @chosen_sections=
                    583: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    584: 		foreach my $sec (@chosen_sections) {
                    585: 		    $result.='<input type="hidden" name="chosensections" 
                    586:                                value="'.$sec.'" />';
                    587: 		}
                    588: 	    }
1.70      albertel  589: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  590: 	}
1.110     albertel  591: 	if ($target eq 'webgrade') {
1.120     albertel  592: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.110     albertel  593: 	}
1.74      albertel  594:     } elsif ($target eq 'edit') {
                    595: 	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
                    596: 	    &Apache::structuretags::problem_edit_header();
                    597: 	$Apache::lonxml::warnings_error_header=
                    598: 	    &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 />";
                    599: 	my $temp=&Apache::edit::insertlist($target,$token);
                    600: 	$result.=$temp;
1.1       albertel  601:     } else {
                    602: 	# page_start returned a starting result, delete it if we don't need it
                    603: 	$result = '';
                    604:     }
                    605:     return $result;
                    606: }
                    607: 
1.32      albertel  608: sub get_key_todo {
                    609:     my ($target)=@_;
                    610:     my $todo;
1.33      albertel  611: 
                    612:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  613: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  614: 	$env{'form.queue'}='reviewqueue';
                    615: 	return (undef,'show_list');
                    616:     }
                    617: 
                    618:     if (defined($env{'form.reviewagrading'})) {
                    619: 	&Apache::lonxml::debug("review a grading....");
                    620: 	$env{'form.queue'}='gradingqueue';
                    621: 	return (undef,'show_list');
                    622:     }
                    623: 
1.49      albertel  624:     if (defined($env{'form.regradeasubmission'})) {
                    625: 	&Apache::lonxml::debug("regrade a grading....");
                    626: 	$env{'form.queue'}='none';
                    627: 	return (undef,'select_user');
                    628:     }
                    629: 
1.105     albertel  630: 
                    631:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    632: 
                    633:     #need to try both queues..
                    634:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    635: 	defined($env{'form.gradinguser'})               &&
                    636: 	defined($env{'form.gradingdomain'})               ) {
                    637: 	my ($symb,$cid)=&Apache::lonxml::whichuser();
                    638: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    639: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    640: 	my $uname = $env{'form.gradinguser'};
                    641: 	my $udom  = $env{'form.gradingdomain'};
                    642: 
                    643: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    644: 
                    645: 	my $queue;
                    646: 
                    647: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    648: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    649: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    650: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    651: 	}
                    652: 	
                    653: 	if (!$queue) {
                    654: 	    $env{'form.queue'} = $queue = 'none';
                    655: 	    #not queued so doing either a re or pre grade
                    656: 	    return ($gradingkey);
                    657: 	}
                    658: 
                    659: 	my $who=&queue_key_locked($queue,$gradingkey);
                    660: 	if ($who eq $me) {
                    661: 	    #already have the lock
                    662: 	    $env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);
                    663: 	    return ($gradingkey);
                    664: 	}
                    665: 	
                    666: 	if (!defined($who)) {
                    667: 	    if (&lock_key($queue,$gradingkey)) {
                    668: 		return ($gradingkey);
                    669: 	    } else {
                    670: 		return (undef,'lock_failed');
                    671: 	    }
                    672: 	}
                    673: 
                    674: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    675: 	return (undef,'not_allowed',
                    676: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
                    677: 		    $who,$env{'form.gradinguser'}.'@'.$env{'form.gradingdomain'}));
                    678:     }
                    679: 
                    680: 
1.32      albertel  681:     my $queue=$env{'form.queue'};
1.33      albertel  682: 
1.32      albertel  683:     if (!defined($queue)) {
                    684: 	$env{'form.queue'}=$queue='gradingqueue';
                    685:     }
1.33      albertel  686: 
1.32      albertel  687:     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.33      albertel  688: 
1.49      albertel  689:     if ($env{'form.queue'} eq 'none') {
                    690: 	if (defined($env{'form.gradingkey'})) {
                    691: 	    if ($target eq 'webgrade') {
                    692: 		if ($env{'form.stop'}) {
                    693: 		    return (undef,'stop');
                    694: 		} elsif ($env{'form.next'}) {
1.59      albertel  695: 		    return (undef,'select_user');
1.49      albertel  696: 		}
                    697: 	    }
                    698: 	    return ($gradingkey,'selected');
                    699: 	} else {
1.59      albertel  700: 	    return (undef,'select_user');
1.49      albertel  701: 	}
                    702:     }
1.32      albertel  703:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  704: 	&& !defined($env{'form.gradingaction'}) 
                    705: 	&& $env{'form.queuemode'} eq 'selected') {
                    706: 	
                    707: 	my $who=&queue_key_locked($queue,$gradingkey);
                    708: 	if ($who eq $me) {
                    709: 	    &Apache::lonxml::debug("Found a key was given to me");
                    710: 	    return ($gradingkey,'selected');
                    711: 	} else {
                    712: 	    return (undef,'show_list');
                    713: 	}
                    714: 
                    715:     }
                    716: 
                    717:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    718: 	if ($env{'form.gradingaction'} eq 'resume') {
                    719: 	    delete($env{'form.gradingaction'});
                    720: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  721: 	    return ($gradingkey);
1.33      albertel  722: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    723: 	    &Apache::lonxml::debug("Unlocking a key ".
                    724: 				     &check_queue_unlock($queue,$gradingkey,1));
                    725: 	    return (undef,'unlock');
                    726: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    727: 	    &Apache::lonxml::debug("Locking a key");
                    728: 	    if (&lock_key($queue,$gradingkey)) {
                    729: 		&Apache::lonxml::debug("Success $queue");
                    730: 		return ($gradingkey);
                    731: 	    }
                    732: 	    &Apache::lonxml::debug("Failed $queue");
                    733: 	    return (undef,'lock_failed');
1.32      albertel  734: 	}
                    735:     }
1.33      albertel  736: 
                    737:     if ($env{'form.queuemode'} ne 'selected') {
                    738: 	# don't get something new from the queue if they hit the stop button
                    739:     	if (!($env{'form.stop'} && $target eq 'webgrade') 
                    740: 	    && !$env{'form.gradingaction'}) {
                    741: 	    &Apache::lonxml::debug("Getting anew $queue");
                    742: 	    return (&get_from_queue($queue));
                    743: 	} else {
                    744: 	    return (undef,'stop');
                    745: 	}
1.32      albertel  746:     }
1.33      albertel  747:     return (undef,undef)
1.32      albertel  748: }
1.94      albertel  749: 
                    750: sub minimize_storage {
                    751:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    752: 	if ($key =~ /regrader$/) { next; }
                    753: 	if ($Apache::lonhomework::results{$key} eq
                    754: 	    $Apache::lonhomework::history{$key}) {
                    755: 	    delete($Apache::lonhomework::results{$key});
                    756: 	}
                    757:     }
                    758: }
                    759: 
1.1       albertel  760: sub end_Task {
                    761:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    762:     my $result='';
                    763:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  764:     my ($version,$previous)=&get_version();
1.1       albertel  765:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  766: 	$target eq 'tex') {
1.69      albertel  767: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  768: 	    if ($target eq 'web') {
1.54      albertel  769: 		if (&show_task($status,$previous)) {
                    770: 		    $result.=&Apache::lonxml::endredirection();
                    771: 		}
1.64      albertel  772: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    773: 		    !$env{'form.donescreen'}) {
1.15      albertel  774: 		    $result.="\n".'<table border="1">'.
1.28      albertel  775: 			&Apache::inputtags::file_selector("$version.0",
                    776: 							  "bridgetask","*",
1.46      albertel  777: 							  'portfolioonly',
                    778: 							  '
                    779: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    780: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  781: 							  "</table>";
1.77      albertel  782: 		}
1.78      albertel  783: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    784: 		    &show_task($status,$previous)) {
1.9       albertel  785: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  786: 		    $result.='</form>';
1.116     albertel  787: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel  788: 		    $result.=<<DONEBUTTON;
1.115     albertel  789: <form name="done" method="post" action="$action">
1.64      albertel  790:    <input type="hidden" name="donescreen" value="1" />
                    791:    <input type="submit" value="Done" />
                    792: </form>
                    793: DONEBUTTON
1.77      albertel  794:                 }
1.56      albertel  795: 		if (&show_task($status,$previous) &&
1.89      albertel  796: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    797: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  798: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  799: 
                    800: 		    my $slot_name=
1.89      albertel  801: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.80      albertel  802: 		    my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  803: 		    my $start_time=
                    804: 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
1.54      albertel  805: 
1.116     albertel  806: 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
1.54      albertel  807: 		    
                    808: 		    if ($bt_status eq 'pass')  {
                    809: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  810: 			    $start_time.'</h2>';
1.54      albertel  811: 		    }
                    812: 		    if ($bt_status eq 'fail')  {
                    813: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  814: 			    $start_time.'</h2>';
1.54      albertel  815: 			if (!$previous) {
                    816: 			    $status.=&add_request_another_attempt_button();
                    817: 			}
                    818: 		    }
                    819: 		    my $man_count=0;
                    820: 		    my $opt_count=0;
                    821: 		    my $opt_passed=0;
                    822: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    823: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    824: 			    eq 'N') {
                    825: 			    $opt_count++;
1.89      albertel  826: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  827: 				$opt_passed++;
                    828: 			    }
                    829: 			} else {
                    830: 			    $man_count++;
                    831: 			}
                    832: 		    }
                    833: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    834: 							 $parstack,$safeeval);
                    835: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.99      albertel  836: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
1.54      albertel  837: 
                    838: 		    my $internal_location=&internal_location();
                    839: 		    $result=~s/\Q$internal_location\E/$status/;
                    840: 		}
1.13      albertel  841: 	    } 
1.117     albertel  842: 	    if ($target eq 'web') {
                    843: 		$result.="\n</div>\n".&Apache::lonxml::xmlend().'</html>';
1.1       albertel  844: 	    }
                    845: 	}
1.29      albertel  846: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  847: 	    my $award='SUBMITTED';
1.28      albertel  848: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  849: 						    'portfiles',\$award);
1.14      albertel  850: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  851: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    852: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    853: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    854: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    855: 
                    856: 		$Apache::lonhomework::results{"resource.0.award"}=
                    857: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    858: 		    $award;
1.51      albertel  859: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    860: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  861: 	    } else {
                    862: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  863: 		$award = '';
1.10      albertel  864: 	    }
1.4       albertel  865: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    866: 	    &Apache::structuretags::finalize_storage();
1.83      albertel  867: 	    if ($award eq 'SUBMITTED'
                    868: 		&& defined($Apache::inputtags::slot_name)) {
1.82      albertel  869: 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
1.14      albertel  870: 	    }
1.79      albertel  871: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    872: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  873: 	}
1.32      albertel  874: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  875: 	    my $optional_required=
                    876: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    877: 					   $safeeval);
                    878: 	    my $optional_passed=0;
                    879: 	    my $mandatory_failed=0;
                    880: 	    my $ungraded=0;
                    881: 	    my $review=0;   
1.21      albertel  882: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  883: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    884: 		my $status=
1.89      albertel  885: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  886: 		my $mandatory=
                    887: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    888: 		if ($status eq 'pass') {
                    889: 		    if (!$mandatory) { $optional_passed++; }
                    890: 		} elsif ($status eq 'fail') {
                    891: 		    if ($mandatory) { $mandatory_failed++; }
                    892: 		} elsif ($status eq 'ungraded') {
                    893: 		    $ungraded++;
                    894: 		} elsif ($status eq 'review') {
                    895: 		    $review++;
1.49      albertel  896: 		} else {
                    897: 		    $ungraded++;
                    898: 		}
1.20      albertel  899: 	    }
                    900: 	    if ($optional_passed < $optional_required) {
                    901: 		$mandatory_failed++;
                    902: 	    }
1.21      albertel  903: 	    &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  904: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.20      albertel  905: 		$env{'user.name'}.'@'.$env{'user.domain'};
                    906: 	    if ($review) {
1.89      albertel  907: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  908: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    909: 		    &check_queue_unlock($env{'form.queue'});
                    910: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    911: 		} else {
1.49      albertel  912: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  913: 		}
1.20      albertel  914: 	    } elsif ($ungraded) {
1.89      albertel  915: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  916: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    917: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  918: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  919: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  920: 		} else {
                    921: 		    &check_queue_unlock($env{'form.queue'});
                    922: 		}
1.20      albertel  923: 	    } elsif ($mandatory_failed) {
1.89      albertel  924: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  925: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    926: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    927: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  928: 		&remove_from_queue($env{'form.queue'}); 
                    929: 
                    930: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  931: 		
                    932: 		if ($env{'form.regrade'} ne 'yes') {
                    933: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    934: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    935: 		    &Apache::grades::version_portfiles(
                    936: 						       \%Apache::lonhomework::results,
                    937: 						       ["$version.0.bridgetask"],$courseid,
                    938: 						       $symb,$udom,$uname,
                    939: 						       ["$version.0.bridgetask"]);
                    940: 		}
1.20      albertel  941: 	    } else {
1.89      albertel  942: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  943: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                    944: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                    945: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel  946: 		&remove_from_queue($env{'form.queue'});
1.39      albertel  947: 
                    948: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  949: 		if ($env{'form.regrade'} ne 'yes') {
                    950: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    951: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    952: 		    &Apache::grades::version_portfiles(
                    953: 						       \%Apache::lonhomework::results,
                    954: 						       ["$version.0.bridgetask"],$courseid,
                    955: 						       $symb,$udom,$uname,
                    956: 						       ["$version.0.bridgetask"]);
                    957: 		}
1.20      albertel  958: 	    }
1.89      albertel  959: 	    $Apache::lonhomework::results{"resource.0.status"}=
                    960: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel  961: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel  962: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel  963: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel  964: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel  965: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel  966: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel  967: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel  968: 	    }
1.94      albertel  969: 	    &minimize_storage();
1.21      albertel  970: 	    &Apache::structuretags::finalize_storage();
1.20      albertel  971: 	}
1.15      albertel  972:     } elsif ($target eq 'webgrade') {
1.128.2.2  albertel  973: 	$result.="</div>";
1.20      albertel  974: 	#$result.='<input type="submit" name="next" value="'.
                    975: 	#    &mt('Save &amp; Next').'" /> ';
                    976: 	#$result.='<input type="submit" name="end" value="'.
                    977: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                    978: 	#$result.='<input type="submit" name="throwaway" value="'.
                    979: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                    980: 	#$result.='<input type="submit" name="save" value="'.
                    981: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel  982: 	$result.='</form>'."\n</div>\n</div>\n".
1.117     albertel  983: 	    &Apache::loncommon::endbodytag().'</html>';
1.1       albertel  984:     } elsif ($target eq 'meta') {
1.70      albertel  985: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel  986:         $result.=&Apache::response::meta_stores_write('solved','string',
                    987: 						      'Problem Status');
                    988: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                    989: 						      'Number of Attempts');
                    990: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                    991: 						      'Partial Credit Factor');
                    992: 	$result.=&Apache::response::meta_stores_write('status','string',
                    993: 						      'Bridge Task Status');
1.1       albertel  994:     }
1.4       albertel  995:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel  996:     return $result;
                    997: }
                    998: 
1.31      albertel  999: sub move_between_queues {
                   1000:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1001:     my $cur_data;
                   1002:     if ($src_queue ne 'none') {
                   1003: 	$cur_data=&get_queue_data($src_queue);
                   1004: 	if (!$cur_data) { return 'not_exist'; }
                   1005:     } else {
                   1006: 	$cur_data = ['none'];
                   1007:     }
1.82      albertel 1008:     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
1.31      albertel 1009:     if ($result ne 'ok') {
                   1010: 	return $result;
                   1011:     }
                   1012:     &check_queue_unlock($src_queue);
                   1013:     return &remove_from_queue($src_queue);
1.21      albertel 1014: }
                   1015: 
                   1016: sub check_queue_unlock {
1.32      albertel 1017:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1018:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel 1019:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel 1020:     if (!defined($key)) {
                   1021: 	$key="$symb\0queue\0$uname\@$udom";
                   1022:     }
1.30      albertel 1023:     my $cnum=$env{'course.'.$cid.'.num'};
                   1024:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1025:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1026:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1027:     if  ($who eq $me) {
1.32      albertel 1028: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1029:     } elsif ($allow_not_me) {
1.33      albertel 1030: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1031: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1032:     }
1.32      albertel 1033:     return 'not_owner';
1.21      albertel 1034: }
                   1035: 
1.88      albertel 1036: sub in_queue {
                   1037:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1038:     if ($queue eq 'none') { return 0; }
                   1039:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1040: 	|| !defined($udom) || !defined($uname)) {
                   1041: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1042: 	$cnum=$env{'course.'.$cid.'.num'};
                   1043: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1044:     }
                   1045: 
                   1046:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1047:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1048: 
                   1049:     if (defined($results{$key})) {
                   1050: 	return 1;
                   1051:     }
                   1052:     return 0;
                   1053: }
                   1054: 
1.21      albertel 1055: sub remove_from_queue {
1.86      albertel 1056:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1057:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1058:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1059: 	|| !defined($udom) || !defined($uname)) {
                   1060: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1061: 	$cnum=$env{'course.'.$cid.'.num'};
                   1062: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1063:     }
1.88      albertel 1064:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1065: 	return 'ok';
                   1066:     }
1.86      albertel 1067:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1068:     my @keys=($key,"$key\0locked");
1.31      albertel 1069:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1070: }
                   1071: 
1.16      albertel 1072: sub setup_env_for_other_user {
                   1073:     my ($queue_key,$safeeval)=@_;
                   1074:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1075:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1076:     $env{'form.grade_symb'}=$symb;
                   1077:     $env{'form.grade_domain'}=$udom;
                   1078:     $env{'form.grade_username'}=$uname;
                   1079:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1080:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1081: }
                   1082: 
1.31      albertel 1083: sub get_queue_data {
                   1084:     my ($queue)=@_;
                   1085:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1086:     my $cnum=$env{'course.'.$cid.'.num'};
                   1087:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1088:     my $todo="$symb\0queue\0$uname\@$udom";
                   1089:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1090:     if ($key eq $todo && ref($value)) {
                   1091: 	return $value;
                   1092:     }
                   1093:     return undef;
                   1094: }
                   1095: 
1.84      albertel 1096: 
1.49      albertel 1097: sub check_queue_for_key {
1.84      albertel 1098:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1099: 
1.49      albertel 1100:     my %results=
                   1101: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1102:     
                   1103:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1104: 	if (defined($results{"$todo\0locked"})) {
                   1105: 	    return 'locked';
                   1106: 	}
1.86      albertel 1107: 	my $slot;
                   1108: 	if (ref($results{$todo}) eq 'ARRAY')  {
                   1109: 	    $slot = $results{$todo}[0];
                   1110: 	} elsif (ref($results{$todo}) eq 'HASH')  {
                   1111: 	    $slot = $results{$todo}{'slot'};
                   1112: 	}
                   1113: 	if (defined($slot)) {
                   1114: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1115: 	    if ($slot_data{'endtime'} > time) { 
                   1116: 		return 'in_progress';
                   1117: 	    }
1.58      albertel 1118: 	}
1.49      albertel 1119: 	return 'enqueued';
                   1120:     }
                   1121:     return undef;
                   1122: }
                   1123: 
1.14      albertel 1124: sub add_to_queue {
1.82      albertel 1125:     my ($queue,$user_data)=@_;
1.49      albertel 1126:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1127:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1128:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1129: 	return 'no_queue';
                   1130:     }
1.14      albertel 1131:     my $cnum=$env{'course.'.$cid.'.num'};
                   1132:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1133:     my %data;
1.82      albertel 1134:     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
1.83      albertel 1135:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1136: }
                   1137: 
                   1138: sub show_queue {
1.32      albertel 1139:     my ($queue,$with_selects)=@_;
1.14      albertel 1140:     my $result;
                   1141:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1142:     my $cnum=$env{'course.'.$cid.'.num'};
                   1143:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1144: 
                   1145:     my @chosen_sections=
                   1146: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1147:     &Apache::grades::init_perm();
                   1148:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1149:     &Apache::grades::reset_perm();
1.63      albertel 1150:     if (!(grep(/^all$/,@chosen_sections))) {
                   1151: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1152: 	    '</tt>.</p> '."\n";
                   1153:     }
1.59      albertel 1154: 
1.16      albertel 1155:     my $regexp="^$symb\0";
1.30      albertel 1156:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1157:     my ($tmp)=%queue;
                   1158:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1159: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1160:     }
1.103     albertel 1161:     my $title=&Apache::lonnet::gettitle($symb);
                   1162:     $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
                   1163:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
                   1164:     $result.="<th>user</th><th>data</th></tr>";
1.14      albertel 1165:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1166: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1167: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1168: 	if ($key=~/locked$/ && !$with_selects) {
1.103     albertel 1169: 	    $result.="<tr><td>$uname</td>";
                   1170: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1171: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.103     albertel 1172: 	    $result.="<tr><td></td>";
                   1173: 	    $result.='<td>'.
1.16      albertel 1174: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1175: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1176: 	    $result.="<tr>";
1.35      albertel 1177: 	    my $slot=$queue{$key}->[0];
                   1178: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
1.32      albertel 1179: 	    if ($with_selects) {
                   1180: 		my $ekey=&Apache::lonnet::escape($key);
1.103     albertel 1181: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1182: 		if (exists($queue{"$key\0locked"})) {
                   1183: 		    my $me=$env{'user.name'}.'@'.$env{'user.domain'};
1.103     albertel 1184: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1185: 		    if ($me eq $queue{"$key\0locked"}) {
                   1186: 			($action,$description)=('resume',&mt('Resume'));
                   1187: 		    } else {
                   1188: 			($action,$description)=('unlock',&mt('Unlock'));
                   1189: 		    }
                   1190: 		}
1.62      albertel 1191: 		my $seclist;
                   1192: 		foreach my $sec (@chosen_sections) {
                   1193: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1194:                                value="'.$sec.'" />';
                   1195: 		}
1.35      albertel 1196: 		if (time > $slot_data{'endtime'}) {
                   1197: 		    $result.=(<<FORM);
1.103     albertel 1198: <td>$status</td>
1.32      albertel 1199: <td>
1.115     albertel 1200: <form style="display: inline" method="post">
1.32      albertel 1201:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1202:  <input type="hidden" name="queue" value="$queue" />
                   1203:  <input type="hidden" name="gradingaction" value="$action" />
                   1204:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1205:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1206:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1207:  $seclist
1.32      albertel 1208: </form>
                   1209: </td>
                   1210: FORM
1.35      albertel 1211: 
                   1212:                 } else {
                   1213: 		    $result.='<td>'.&mt("In Progress").'</td>'
                   1214: 		}
1.32      albertel 1215: 	    }
1.104     albertel 1216: 	    $result.= "<td>".$fullname->{$uname.':'.$udom}.
                   1217: 		" <tt>($uname\@$udom)</tt> </td>";
1.103     albertel 1218: 	    $result.='<td>Slot: '.$slot.' End time: '.
1.20      albertel 1219: 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
                   1220: 		"</td></tr>";
1.16      albertel 1221: 	}
1.14      albertel 1222:     }
1.15      albertel 1223:     $result.="</table><hr />\n";
1.14      albertel 1224:     return $result;
                   1225: }
                   1226: 
1.34      albertel 1227: sub get_queue_counts {
                   1228:     my ($queue)=@_;
                   1229:     my $result;
                   1230:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1231:     my $cnum=$env{'course.'.$cid.'.num'};
                   1232:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1233:     my $regexp="^$symb\0";
                   1234:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1235:     my ($tmp)=%queue;
                   1236:     if ($tmp=~/^error: 2 /) {
                   1237: 	return (0,0,0);
                   1238:     }
                   1239:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1240:     my %slot_cache;
1.34      albertel 1241:     foreach my $key (sort(keys(%queue))) {
                   1242: 	if ($key=~/locked$/) {
                   1243: 	    $locks++;
                   1244: 	} elsif ($key=~/timestamp$/) {
                   1245: 	    #ignore
                   1246: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1247: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1248: 	    $entries++;
                   1249: 	    my $slot=$queue{$key}->[0];
1.96      albertel 1250: 	    if (!exists($slot_cache{$slot})) {
                   1251: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1252: 		$slot_cache{$slot} = \%slot_data;
                   1253: 	    }
                   1254: 	    if (time > $slot_cache{$slot}{'endtime'}) {
1.34      albertel 1255: 		$ready_to_grade++;
                   1256: 	    }
                   1257: 	}
                   1258:     }
                   1259:     return ($entries,$ready_to_grade,$locks);
                   1260: }
                   1261: 
1.49      albertel 1262: sub encode_queue_key {
                   1263:     my ($symb,$udom,$uname)=@_;
                   1264:     return "$symb\0queue\0$uname\@$udom";
                   1265: }
                   1266: 
1.14      albertel 1267: sub decode_queue_key {
                   1268:     my ($key)=@_;
                   1269:     my ($symb,undef,$user) = split("\0",$key);
                   1270:     my ($uname,$udom) = split('@',$user);
                   1271:     return ($symb,$uname,$udom);
                   1272: }
                   1273: 
                   1274: sub queue_key_locked {
1.30      albertel 1275:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1276:     if (!defined($cdom) || !defined($cnum)) {
                   1277: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1278: 	$cnum=$env{'course.'.$cid.'.num'};
                   1279: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1280:     }
1.14      albertel 1281:     my ($key_locked,$value)=
1.30      albertel 1282: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1283:     if ($key_locked eq "$key\0locked") {
                   1284: 	return $value;
                   1285:     }
                   1286:     return undef;
                   1287: }
                   1288: 
                   1289: sub pick_from_queue_data {
1.30      albertel 1290:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
1.98      albertel 1291:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1292:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1293: 	if ($key =~ /\0locked$/) { next; }
                   1294: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1295: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1296: 	if ($check_section) {
                   1297: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1298: 	    if ($section eq $check_section) {
1.33      albertel 1299: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1300: 		next;
                   1301: 	    }
1.14      albertel 1302: 	}
1.30      albertel 1303: 	my $slot=$queuedata->{$key}[0];
1.14      albertel 1304: 	my %slot_data=&Apache::lonnet::get_slot($slot);
1.15      albertel 1305: 	if ($slot_data{'endtime'} > time) { 
1.33      albertel 1306: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1307: 	    next;
                   1308: 	}
1.98      albertel 1309: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1310: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1311: 	    next;
                   1312: 	}
1.98      albertel 1313: 	push(@possible,[$key,$slot_data{'endtime'}]);
                   1314:     }
                   1315:     if (@possible) {
                   1316:         # sort entries in order by slot end time
                   1317: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
                   1318: 	# pick one of the first ten entries
                   1319: 	my $max=($#possible < 10) ? $#possible : 10;
                   1320: 	return $possible[int(rand($max))][0];
1.14      albertel 1321:     }
                   1322:     return undef;
                   1323: }
                   1324: 
1.15      albertel 1325: sub find_mid_grade {
1.30      albertel 1326:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1327:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.15      albertel 1328:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1329:     if ($todo) {
1.30      albertel 1330: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1331: 	if ($who eq $me) { return $todo; }
                   1332:     }
                   1333:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1334:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1335:     foreach my $key (keys(%locks)) {
                   1336: 	my $who=$locks{$key};
                   1337: 	if ($who eq $me) {
                   1338: 	    $todo=$key;
                   1339: 	    $todo=~s/\0locked$//;
                   1340: 	    return $todo;
                   1341: 	}
                   1342:     }
                   1343:     return undef;
                   1344: }
                   1345: 
1.32      albertel 1346: sub lock_key {
                   1347:     my ($queue,$todo)=@_;
                   1348:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1349:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1350:     my $cnum=$env{'course.'.$cid.'.num'};
                   1351:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1352:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1353: 					$cdom,$cnum);
1.33      albertel 1354:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1355:     if ($success eq 'ok') {
                   1356: 	return 1;
                   1357:     }
                   1358:     return 0;
                   1359: }
                   1360: 
1.86      albertel 1361: sub get_queue_symb_status {
1.85      albertel 1362:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1363:     if (!defined($cdom) || !defined($cnum)) {
                   1364: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1365: 	$cnum=$env{'course.'.$cid.'.num'};
                   1366: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1367:     }
                   1368:     my $regexp="^$symb\0";
                   1369:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1370:     my ($tmp)=%queue;
                   1371:     if ($tmp=~/^error: 2 /) { return; }
                   1372:     my @users;
                   1373:     foreach my $key (sort(keys(%queue))) {
                   1374: 	next if ($key=~/locked$/);
                   1375: 	next if ($key=~/timestamp$/);
                   1376: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1377: 	push(@users,"$uname:$udom");
                   1378:     }
                   1379:     return @users;
                   1380: }
                   1381: 
1.14      albertel 1382: sub get_from_queue {
1.30      albertel 1383:     my ($queue)=@_;
1.14      albertel 1384:     my $result;
                   1385:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1386:     my $cnum=$env{'course.'.$cid.'.num'};
                   1387:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1388:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1389:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1390:     if ($todo) { return $todo; }
1.95      albertel 1391:     my $attempts=0;
1.14      albertel 1392:     while (1) {
1.95      albertel 1393: 	if ($attempts > 2) {
                   1394: 	    # tried twice to get a queue entry, giving up
                   1395: 	    return (undef,'unable');
                   1396: 	}
1.14      albertel 1397: 	my $starttime=time;
1.83      albertel 1398: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1399: 			      $cdom,$cnum);
1.33      albertel 1400: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1401: 	my $regexp="^$symb\0queue\0";
1.97      albertel 1402: 	my $range= ($attempts < 1 ) ? '0-100' : '0-400';
                   1403: 
1.98      albertel 1404: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1405: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1406: 	if ($env{'request.course.sec'}) {
1.33      albertel 1407: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1408: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1409: 					\%queue,$cdom,$cnum);
1.33      albertel 1410: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1411: 	}
1.33      albertel 1412: 	# no one _not_ in our section so look for any user that is
                   1413: 	# ready for grading
1.14      albertel 1414: 	if (!$todo) {
1.33      albertel 1415: 	    &Apache::lonxml::debug("no sce");
1.98      albertel 1416: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);
1.33      albertel 1417: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1418: 	}
                   1419: 	# no user to grade 
                   1420: 	if (!$todo) { last; }
1.33      albertel 1421: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1422: 	# otherwise found someone so lets try to lock them
1.32      albertel 1423: 	# unless someone else already picked them
1.95      albertel 1424: 	if (!&lock_key($queue,$todo)) {
                   1425: 	    $attempts++;
                   1426: 	    next;
                   1427: 	}
1.14      albertel 1428: 	my (undef,$endtime)=
1.30      albertel 1429: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1430: 				 $cdom,$cnum);
1.33      albertel 1431: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1432: 	# someone else already modified the queue, 
                   1433: 	# perhaps our picked user wass already fully graded between
                   1434: 	# when we picked him and when we locked his record? so lets
                   1435: 	# double check.
                   1436: 	if ($endtime != $starttime) {
                   1437: 	    my ($key,$value)=
1.30      albertel 1438: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1439: 				     $cdom,$cnum);
1.33      albertel 1440: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1441: 	    if ($key eq $todo && ref($value)) {
                   1442: 	    } else {
1.30      albertel 1443: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1444: 				     $cdom,$cnum);
1.33      albertel 1445: 		&Apache::lonxml::debug("del");
1.95      albertel 1446: 		$attempts++;
1.14      albertel 1447: 		next;
                   1448: 	    }
                   1449: 	}
1.33      albertel 1450: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1451: 	last;
                   1452:     }
                   1453:     return $todo;
                   1454: }
                   1455: 
1.49      albertel 1456: sub select_user {
                   1457:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1458: 
1.59      albertel 1459:     my @chosen_sections=
                   1460: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1461:     &Apache::grades::init_perm();
1.59      albertel 1462:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1463:     &Apache::grades::reset_perm();
1.63      albertel 1464:     
                   1465:     my $result;
                   1466:     if (!(grep(/^all$/,@chosen_sections))) {
                   1467: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1468: 	    '</tt>.</p> '."\n";
                   1469:     }
                   1470:     $result.='<table border="1">';
1.49      albertel 1471: 
                   1472:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1473: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1474: 	
1.84      albertel 1475: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1476: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1477: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1478: 					 'Task');
1.49      albertel 1479: 	my $queue = 'none';
1.58      albertel 1480: 	my $cannot_grade;
                   1481: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1482: 	    $queue = 'reviewqueue';
1.58      albertel 1483: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1484: 		$cannot_grade=1;
                   1485: 	    }
                   1486: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1487: 	    $queue = 'gradingqueue';
1.58      albertel 1488: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1489: 		$cannot_grade=1;
                   1490: 	    }
1.49      albertel 1491: 	}
                   1492: 	my $todo = 
                   1493: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1494: 	if ($cannot_grade) {
                   1495: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1496: 		'</td><td>';
                   1497: 	} else {
1.62      albertel 1498: 	    my $seclist;
                   1499: 	    foreach my $sec (@chosen_sections) {
                   1500: 		$seclist.='<input type="hidden" name="chosensections" 
                   1501:                                value="'.$sec.'" />';
                   1502: 	    }
1.102     albertel 1503: 	    my $studentdis = $student;
                   1504: 	    $studentdis =~ tr/:/@/;
1.58      albertel 1505: 	    $result.=<<RESULT;
1.49      albertel 1506: <tr>
                   1507:   <td>
1.115     albertel 1508:     <form style="display: inline" method="post">
1.49      albertel 1509:       <input type="hidden" name="gradingkey" value="$todo" />
                   1510:       <input type="hidden" name="queue" value="$queue" />
                   1511:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1512:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1513:       <input type="submit" name="submit" value="Regrade" />
                   1514:       $seclist
1.49      albertel 1515:     </form>
1.102     albertel 1516:   <td>$fullname->{$student} <tt>($studentdis)</tt></td>
1.49      albertel 1517:   <td>
                   1518: RESULT
1.58      albertel 1519:         }
1.49      albertel 1520:         if ($status{'status'} eq 'pass') {
                   1521: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1522: 	} elsif ($status{'status'} eq 'fail') {
                   1523: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1524: 	} elsif ($status{'status'} eq 'review') {
                   1525: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1526: 	} elsif ($status{'status'} eq 'ungraded') {
                   1527: 	    $result .= &mt('Ungraded');
                   1528: 	} elsif ($status{'status'} ne '') {
                   1529: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1530: 	} else {
                   1531: 	    $result.="&nbsp;";
                   1532: 	}
                   1533: 	if ($status{'version'}) {
                   1534: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1535: 	}
1.101     albertel 1536: 	if ($status{'grader'}) {
                   1537: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1538: 	}
1.49      albertel 1539: 	$result.= '</td><td>';
                   1540: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1541: 	    $result .= &mt('Awaiting Review');
                   1542: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1543: 	    $result .= &mt('Under Review');
1.58      albertel 1544: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1545: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1546: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1547: 	    $result .= &mt('Awaiting Grading');
                   1548: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1549: 	    $result .= &mt('Being Graded');
1.58      albertel 1550: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1551: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1552: 	} else {
                   1553: 	    $result.="&nbsp;";
                   1554: 	}
                   1555: 	$result.= '</td></tr>';
                   1556:     }
                   1557:     $result.='</table>';
                   1558:     return $result;
                   1559: }
                   1560: 
                   1561: sub get_student_status {
1.86      albertel 1562:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1563: 
                   1564:     my %status;
                   1565: 
                   1566:     if ($type eq 'Task') {
                   1567: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1568: 					  $udom,$uname);
1.89      albertel 1569: 	$status{'status'}=$record{'resource.0.status'};
                   1570: 	$status{'version'}=$record{'resource.0.version'};
                   1571: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1572:     }
                   1573:     $status{'reviewqueue'}=
                   1574: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1575: 			     &encode_queue_key($symb,$udom,$uname));
                   1576:     $status{'gradingqueue'}=
                   1577: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1578: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1579:     return %status;
                   1580: }
                   1581: 
1.1       albertel 1582: sub start_ClosingParagraph {
                   1583:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1584:     my $result;
                   1585:     if ($target eq 'web') {
1.13      albertel 1586:     } elsif ($target eq 'webgrade') {
                   1587: 	&Apache::lonxml::startredirection();
1.1       albertel 1588:     }
                   1589:     return $result;
                   1590: }
                   1591: 
                   1592: sub end_ClosingParagraph {
                   1593:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1594:     my $result;
                   1595:     if ($target eq 'web') {
1.13      albertel 1596:     } elsif ($target eq 'webgrade') {
                   1597: 	&Apache::lonxml::endredirection();
1.1       albertel 1598:     }
                   1599:     return $result;
                   1600: }
                   1601: 
1.19      albertel 1602: sub get_id {
                   1603:     my ($parstack,$safeeval)=@_;
                   1604:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1605:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1606:     return $id;
                   1607: }
                   1608: 
1.1       albertel 1609: my %dimension;
                   1610: sub start_Dimension {
                   1611:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1612:     undef(%dimension);
1.19      albertel 1613:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1614:     $Apache::bridgetask::dimension=$dim_id;
                   1615:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1616:     undef(@Apache::bridgetask::instance);
1.20      albertel 1617:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1618: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1619:     &Apache::lonxml::startredirection();
                   1620:     return &internal_location($dim_id);
1.1       albertel 1621: }
                   1622: 
1.13      albertel 1623: sub get_instance {
1.75      albertel 1624:     my ($dim)=@_;
                   1625:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1626:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1627: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1628: 	$rand_alg eq '64bit4' ) {
                   1629: 	&Apache::response::pushrandomnumber();
                   1630: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1631: 	my $num=@order;
                   1632: 	my $version=&get_version();
                   1633: 	my $which=($version-1)%$num;
                   1634: 	return $order[$which];
                   1635:     } else {
                   1636: 	my ($version,$previous) = &get_version();
                   1637: 	my $instance = 
                   1638: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1639: 	if (defined($instance)) { return $instance; }
                   1640: 
                   1641: 	&Apache::response::pushrandomnumber();
                   1642: 	my @instances = @{$dimension{'instances'}};
                   1643: 	# remove disabled instances
                   1644: 	for (my $i=0; $i < $#instances; $i++) {
                   1645: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1646: 		splice(@instances,$i,1);
                   1647: 		$i--;
                   1648: 	    }
                   1649: 	}
                   1650: 	@instances = &Math::Random::random_permutation(@instances);
                   1651: 	$instance  = $instances[($version-1)%scalar(@instances)];
                   1652: 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1653: 	    $instance;
1.79      albertel 1654: 	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 1655: 	&Apache::response::poprandomnumber();
                   1656: 	return $instance;
                   1657:     }
1.13      albertel 1658: }
                   1659: 
1.18      albertel 1660: {
                   1661:     my $last_link;
1.122     albertel 1662:     sub link {
                   1663: 	my ($instance,$id) = @_;
                   1664: 	return 'LC_GRADING_criteria_'.$instance.'_'.$id;
                   1665:     }
1.18      albertel 1666:     sub end_Dimension {
                   1667: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1668: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1669: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1670: 	my $instance=&get_instance($dim);
1.25      albertel 1671: 	my $version=&get_version();
1.18      albertel 1672: 	if ($target eq 'web') {
1.47      albertel 1673: 	    @Apache::scripttag::parser_env = @_;
                   1674: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1675: 	    my @instances = $instance;
                   1676: 	    if (&Apache::response::showallfoils()) {
                   1677: 		@instances = @{$dimension{'instances'}};
                   1678: 	    }
                   1679: 	    foreach my $instance (@instances) {
                   1680: 		@Apache::scripttag::parser_env = @_;
                   1681: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89      albertel 1682: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1683: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1684: 
1.89      albertel 1685: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1686: 		    my $mandatory='Mandatory';
                   1687: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1688: 			$mandatory='Optional';
                   1689: 		    }
1.116     albertel 1690: 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
1.76      albertel 1691: 		    if ($dim_status eq 'pass') {
                   1692: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1693: 		    }
1.76      albertel 1694: 		    if ($dim_status eq 'fail') {
                   1695: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1696: 		    }
1.76      albertel 1697: 		    my $man_count=0;
                   1698: 		    my $man_passed=0;
                   1699: 		    my $opt_count=0;
                   1700: 		    my $opt_passed=0;
                   1701: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1702: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1703: 			    eq 'N') {
                   1704: 			    $opt_count++;
1.89      albertel 1705: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1706: 				$opt_passed++;
                   1707: 			    }
                   1708: 			} else {
                   1709: 			    $man_count++;
1.89      albertel 1710: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1711: 				$man_passed++;
                   1712: 			    }
                   1713: 			}
1.22      albertel 1714: 		    }
1.76      albertel 1715: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1716: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1717: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1718: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1719: 
                   1720: 		    my $internal_location=&internal_location($dim);
                   1721: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1722: 
                   1723: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1724: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
                   1725: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1726: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1727: 			if ($mandatory) {
                   1728: 			    $mandatory='Mandatory';
                   1729: 			} else {
                   1730: 			    $mandatory='Optional';
                   1731: 			}
                   1732: 			if ($status eq 'fail') {
                   1733: 			} elsif ($status eq 'pass') {
                   1734: 			} else {
                   1735: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1736: 			}
                   1737: 			my $status_display=$status;
                   1738: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1739: 			@Apache::scripttag::parser_env = @_;
1.116     albertel 1740: 			$result.=
                   1741: 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
                   1742: 			    .$mandatory.' Criteria</h4><p>';
1.76      albertel 1743: 			@Apache::scripttag::parser_env = @_;
                   1744: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.116     albertel 1745: 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
1.89      albertel 1746: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
1.116     albertel 1747: 			    $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';
1.76      albertel 1748: 			}
                   1749: 			$result.='</div>';
1.22      albertel 1750: 		    }
                   1751: 		}
                   1752: 	    }
1.18      albertel 1753: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1754: 	    # in case of any side effects that we need
                   1755: 	    @Apache::scripttag::parser_env = @_;
                   1756: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1757: 	    @Apache::scripttag::parser_env = @_;
                   1758: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1759: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1760: 		my $link=&link($instance,$id);
1.89      albertel 1761: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.120     albertel 1762: 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
1.111     albertel 1763: 		    '<a name="'.$link.'" />'."\n".
                   1764: 		    '<a name="next_'.$last_link.'" />'."\n".
1.120     albertel 1765: 		    '<div class="LC_GRADING_criteriatext">'."\n";
1.47      albertel 1766: 		@Apache::scripttag::parser_env = @_;
                   1767: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.111     albertel 1768: 		$result.='</div>'."\n".
1.18      albertel 1769: 		    #$dimension{$instance.'.criteria.'.$id}.
1.120     albertel 1770: 		    '<div class="LC_GRADING_grade">'."\n".
                   1771: 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
                   1772: 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
                   1773: 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
                   1774: 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
1.111     albertel 1775: 		    '</div>'."\n".
1.120     albertel 1776: 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
                   1777: 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".
1.111     albertel 1778: 		    '</label>'."\n".
1.120     albertel 1779: 		    '<ul class="LC_GRADING_navbuttons">'."\n".
1.111     albertel 1780: 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
                   1781: 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
                   1782: 		    '</ul>'."\n".
                   1783:                     '</div>'."\n";
1.113     albertel 1784: 		$result.=&grading_history($version,$dim,$instance,$id);
1.18      albertel 1785: 		$last_link=$link;
                   1786: 	    }
1.22      albertel 1787: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1788: 	    my $optional_passed=0;
1.20      albertel 1789: 	    my $mandatory_failed=0;
                   1790: 	    my $ungraded=0;
                   1791: 	    my $review=0;
1.19      albertel 1792: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1793: 		my $link=&link($instance,$id);
                   1794: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_'.$link};
                   1795: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
1.20      albertel 1796: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1797: 		if ($status eq 'pass') {
                   1798: 		    if (!$mandatory) { $optional_passed++; }
                   1799: 		} elsif ($status eq 'fail') {
                   1800: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1801: 		} elsif ($status eq 'review') {
                   1802: 		    $review++;
1.20      albertel 1803: 		} elsif ($status eq 'ungraded') {
                   1804: 		    $ungraded++;
1.21      albertel 1805: 		} else {
1.47      albertel 1806: 		    $ungraded++;
1.19      albertel 1807: 		}
                   1808: 	    }
1.20      albertel 1809: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1810: 		$mandatory_failed++;
                   1811: 	    }
1.21      albertel 1812: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1813: 	    if ($review) {
1.89      albertel 1814: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1815: 		    'review';
1.20      albertel 1816: 	    } elsif ($ungraded) {
1.89      albertel 1817: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1818: 		    'ungraded';
1.20      albertel 1819: 	    } elsif ($mandatory_failed) {
1.89      albertel 1820: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1821: 		    'fail';
1.20      albertel 1822: 	    } else {
1.91      albertel 1823: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1824: 		    'pass';
1.20      albertel 1825: 	    }
1.69      albertel 1826: 	} else {
                   1827: 	    # any other targets no output
                   1828: 	    undef($result);
1.13      albertel 1829: 	}
1.18      albertel 1830: 	return $result;
1.1       albertel 1831:     }
                   1832: }
                   1833: 
1.113     albertel 1834: sub grading_history {
                   1835:     my ($version,$dim,$instance,$criteria) = @_;
                   1836:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   1837: 	return '';
                   1838:     }
                   1839:     my ($result,$grader);
                   1840:     my $scope="resource.$version.0.$dim.$instance.$criteria";
                   1841:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   1842: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   1843: 	    my ($gname,$gdom) = 
                   1844: 		split('@',$Apache::lonhomework::history{$t.':resource.0.regrader'});
                   1845: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   1846: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   1847: 							 $gname,$gdom);
                   1848: 	}
                   1849: 	my $entry;
                   1850: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   1851: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   1852: 	}
                   1853: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   1854: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   1855: 	}
                   1856: 	if ($entry) {
                   1857: 	    $result.= "<li>$grader : $entry </li>";
                   1858: 	}
                   1859:     }
                   1860:     if ($result) {
1.120     albertel 1861: 	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
1.113     albertel 1862:     }
                   1863:     return '';
                   1864: }
                   1865: 
1.1       albertel 1866: sub start_IntroParagraph {
1.87      albertel 1867:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1868:     my $result;
1.13      albertel 1869:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1870: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1871: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1872: 	
1.128     albertel 1873: 	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 1874: 	    &Apache::lonxml::startredirection();
1.1       albertel 1875: 	}
1.47      albertel 1876: 	
1.1       albertel 1877:     }
                   1878:     return $result;
                   1879: }
                   1880: 
                   1881: sub end_IntroParagraph {
1.127     albertel 1882:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 1883:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 1884: 	my $result = &Apache::lonxml::endredirection();
                   1885:     }
1.1       albertel 1886: }
                   1887: 
                   1888: sub start_Instance {
                   1889:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1890:     my $id=&get_id($parstack,$safeeval);
                   1891:     push(@{$dimension{'instances'}},$id);
                   1892:     push(@Apache::bridgetask::instance,$id);
                   1893:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1894:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1895: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1896:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1897:     if (lc($disabled) eq 'yes') {
                   1898: 	$dimension{$id.'.disabled'}='1';
                   1899:     }
1.1       albertel 1900:     return '';
                   1901: }
                   1902: 
                   1903: sub end_Instance {
                   1904: }
                   1905: 
                   1906: sub start_InstanceText {
1.87      albertel 1907:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 1908:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1909:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.13      albertel 1910:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1911: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 1912:     }
                   1913:     return '';
                   1914: }
                   1915: 
                   1916: sub end_InstanceText {
                   1917:     return '';
                   1918: }
                   1919: 
                   1920: sub start_Criteria {
1.87      albertel 1921:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 1922:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1923:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 1924:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 1925: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 1926: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 1927: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   1928: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 1929: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   1930:     }
                   1931:     return '';
                   1932: }
                   1933: 
1.47      albertel 1934: sub end_Criteria {
                   1935: }
                   1936: 
1.4       albertel 1937: sub proctor_validation_screen {
                   1938:     my ($slot) = @_;
                   1939:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 1940:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 1941:     my $name=&Apache::loncommon::plainname($user,$domain);
                   1942:     
1.4       albertel 1943:     my $msg;
1.11      albertel 1944:     if ($env{'form.proctorpassword'}) {
1.4       albertel 1945: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   1946: 	    .'</font></p>';
                   1947:     }
1.47      albertel 1948:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 1949:     my $result= (<<ENDCHECKOUT);
                   1950: <h2>Proctor Validation</h2>
                   1951:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   1952:     $msg
1.115     albertel 1953: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 1954: <input type="hidden" name="validate" value="yes" />
                   1955: <input type="hidden" name="submitted" value="yes" />
                   1956: <table>
1.44      albertel 1957:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 1958:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 1959:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 1960: </table>
                   1961: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 1962: <table border="1">
                   1963:   <tr><td>
                   1964:     <table>
                   1965:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   1966:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 1967:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.44      albertel 1968:       <tr><td>Usename</td><td>$user\@$domain</td></tr>
                   1969:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   1970:     </table>
                   1971:   </tr></td>
                   1972: </table>
1.4       albertel 1973: </form>
                   1974: ENDCHECKOUT
                   1975:     return $result;
                   1976: }
                   1977: 
1.1       albertel 1978: 1;
                   1979: __END__

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