Annotation of loncom/homework/bridgetask.pm, revision 1.264.8.1.2.3

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.264.8.1.2.3! (raeburn    4:: # $Id: bridgetask.pm,v 1.264.8.1.2.2 2023/01/23 20:34:54 raeburn 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();
1.256     raeburn    40: use Apache::structuretags();
1.1       albertel   41: use Time::HiRes qw( gettimeofday tv_interval );
1.158     www        42: use LONCAPA;
                     43:  
1.9       albertel   44: 
1.1       albertel   45: BEGIN {
1.225     albertel   46:     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','CriteriaText','GraderNote','ClosingParagraph'));
1.1       albertel   47: }
                     48: 
1.169     albertel   49: my %dimension;
1.194     albertel   50: my $top = 'top';
                     51: 
1.9       albertel   52: sub initialize_bridgetask {
                     53:     # id of current Dimension, 0 means that no dimension is current 
                     54:     # (inside <Task> only)
1.178     albertel   55:     @Apache::bridgetask::dimension=();
1.9       albertel   56:     # list of all current Instance ids
1.168     albertel   57:     %Apache::bridgetask::instance=();
1.9       albertel   58:     # list of all Instance ids seen in this problem
                     59:     @Apache::bridgetask::instancelist=();
1.15      albertel   60:     # key of queud user data that we are currently grading
                     61:     $Apache::bridgetask::queue_key='';
1.169     albertel   62:     undef(%dimension);
1.9       albertel   63: }
                     64: 
1.4       albertel   65: sub proctor_check_auth {
1.81      albertel   66:     my ($slot_name,$slot,$type)=@_;
1.11      albertel   67:     my $user=$env{'form.proctorname'};
1.264.8.1  raeburn    68:     $user =~ s/^\s+|\s+$//g;
1.11      albertel   69:     my $domain=$env{'form.proctordomain'};
1.264.8.1  raeburn    70: 
1.4       albertel   71:     my @allowed=split(",",$slot->{'proctor'});
                     72:     foreach my $possible (@allowed) {
1.138     albertel   73: 	my ($puser,$pdom)=(split(':',$possible));
1.4       albertel   74: 	if ($puser eq $user && $pdom eq $domain) {
1.72      albertel   75: 	    my $authenticated=0;
                     76: 	    if ( $slot->{'secret'} =~ /\S/ &&
                     77: 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
                     78: 		$authenticated=1;
                     79: 	    } else {
                     80: 		
                     81: 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
                     82: 		if ($authhost ne 'no_host') {
                     83: 		    $authenticated=1;
                     84: 		}
                     85: 	    }
1.150     albertel   86: 	    if ($authenticated) {
1.246     raeburn    87: 		my $check = &check_in($type,$user,$domain,$slot_name);
                     88:                 if ($check =~ /^error:/) {
                     89:                     return 0;
                     90:                 }
1.4       albertel   91: 		return 1;
                     92: 	    }
                     93: 	}
                     94:     }
                     95:     return 0;
                     96: }
                     97: 
1.174     albertel   98: sub check_in {
                     99:     my ($type,$user,$domain,$slot_name) = @_;
                    100:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                    101:     if ( $useslots eq 'map_map') {
1.246     raeburn   102: 	my $result = &check_in_sequence($user,$domain,$slot_name);
                    103:         if ($result =~ /^error: /) {
                    104:             return $result;
                    105:         }
1.174     albertel  106:     } else {
                    107: 	&create_new_version($type,$user,$domain,$slot_name);
1.217     albertel  108: 	&Apache::structuretags::finalize_storage();
1.174     albertel  109:     }
                    110:     return 1;
                    111: }
                    112: 
                    113: sub check_in_sequence {
                    114:     my ($user,$domain,$slot_name) = @_;
                    115:     my $navmap = Apache::lonnavmaps::navmap->new();
1.246     raeburn   116:     if (!defined($navmap)) {
                    117:         return 'error: ';
                    118:     }
1.185     albertel  119:     my ($symb) = &Apache::lonnet::whichuser();
1.174     albertel  120:     my ($map)  = &Apache::lonnet::decode_symb($symb);
1.175     albertel  121:     my @resources = 
1.264.8.1.2.3! (raeburn  122:: 	$navmap->retrieveResources($map, sub { $_[0]->is_problem() || $_[0]->is_tool() },0,0);
1.174     albertel  123:     my %old_history = %Apache::lonhomework::history;
                    124:     my %old_results = %Apache::lonhomework::results;
                    125: 
                    126:     foreach my $res (@resources) {
                    127: 	&Apache::lonxml::debug("doing ".$res->src);
                    128: 	&Apache::structuretags::initialize_storage($res->symb);
1.264.8.1.2.3! (raeburn  129::         my $type;
        !           130::         if ($res->is_task()) {
        !           131::             $type = 'Task';
        !           132::         } elsif ($res->is_tool) {
        !           133::             $type = 'tool';
        !           134::         } else {
        !           135::             $type = 'problem';
        !           136::         }
1.174     albertel  137: 	&create_new_version($type,$user,$domain,$slot_name);
                    138: 	&Apache::structuretags::finalize_storage($res->symb);
                    139:     }
                    140:     
                    141:     %Apache::lonhomework::history = %old_history;
                    142:     %Apache::lonhomework::results = %old_results;
                    143: }
                    144: 
1.150     albertel  145: sub create_new_version {
                    146:     my ($type,$user,$domain,$slot_name) = @_;
1.174     albertel  147:     
                    148:     my $id = '0';
1.150     albertel  149:     if ($type eq 'Task') {
                    150: 	# increment version
                    151: 	my $version=
                    152: 	    $Apache::lonhomework::history{'resource.0.version'};
                    153: 	$version++;
1.152     albertel  154: 	&Apache::lonxml::debug("Making version $version");
1.150     albertel  155: 	#clean out all current results
                    156: 	foreach my $key (keys(%Apache::lonhomework::history)) {
                    157: 	    if ($key=~/^resource\.0\./) {
                    158: 		$Apache::lonhomework::results{$key}='';
                    159: 	    }
                    160: 	}
                    161: 	
                    162: 	#setup new version and who did it
1.174     albertel  163:        	$Apache::lonhomework::results{'resource.0.version'}=$version;
                    164: 	$id = "$version.0";
1.178     albertel  165: 	if (!defined($user) || !defined($domain)) {
1.174     albertel  166: 	    $user = $env{'user.name'};
                    167: 	    $domain = $env{'user.domain'};
1.150     albertel  168: 	}
1.174     albertel  169: 	
1.264.8.1.2.3! (raeburn  170::     } elsif (($type eq 'problem') || ($type eq 'tool')) {
1.150     albertel  171: 	&Apache::lonxml::debug("authed $slot_name");
1.174     albertel  172:     }
1.181     albertel  173:     if (!defined($user) || !defined($domain)) {
                    174: 	$user = $env{'user.name'};
                    175: 	$domain = $env{'user.domain'};
                    176:     }
                    177: 
                    178:     $Apache::lonhomework::results{"resource.$id.checkedin"}=
                    179: 	$user.':'.$domain;
1.174     albertel  180: 
                    181:     if (defined($slot_name)) {
                    182: 	$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
                    183: 	    $slot_name;
1.150     albertel  184:     }
                    185: }
                    186: 
1.25      albertel  187: sub get_version {
1.29      albertel  188:     my ($version,$previous);
1.25      albertel  189:     if ($env{'form.previousversion'} && 
1.36      albertel  190: 	$env{'form.previousversion'} ne 'current' &&
1.89      albertel  191: 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
1.29      albertel  192: 	$version=$env{'form.previousversion'};
                    193: 	$previous=1;
                    194:     } else {
1.150     albertel  195: 	if (defined($Apache::lonhomework::results{'resource.0.version'})) {
                    196: 	    $version=$Apache::lonhomework::results{'resource.0.version'};
                    197: 	} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
                    198: 	    $version=$Apache::lonhomework::history{'resource.0.version'};
                    199: 	}
1.29      albertel  200: 	$previous=0;
                    201:     }
                    202:     if (wantarray) {
                    203: 	return ($version,$previous);
1.25      albertel  204:     }
1.29      albertel  205:     return $version;
1.25      albertel  206: }
                    207: 
1.8       albertel  208: sub add_previous_version_button {
1.25      albertel  209:     my ($status)=@_;
1.258     raeburn   210:     my (undef,undef,$udom,$uname)=&Apache::lonnet::whichuser();
                    211:     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
                    212:         return;
                    213:     }
1.8       albertel  214:     my $result;
1.89      albertel  215:     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
1.25      albertel  216: 	return '';
                    217:     }
1.89      albertel  218:     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
1.29      albertel  219: 	$status ne 'NEEDS_CHECKIN') {
1.25      albertel  220: 	return '';
                    221:     }
1.29      albertel  222:     my $version=&get_version();
                    223:     if ($env{'form.previousversion'} ne '' &&
                    224: 	$env{'form.previousversion'} eq $version) {
                    225: 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
                    226: 	    "</h3>\n";
                    227:     }
                    228:     my @to_show;
1.89      albertel  229:     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
                    230: 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
1.29      albertel  231: 	    push(@to_show,$test_version);
                    232: 	}
                    233:     }
                    234:     my $list='<option>'.
                    235: 	join("</option>\n<option>",@to_show).
                    236: 	     "</option>\n";
1.36      albertel  237:     $list.='<option value="current">'.&mt('Current').'</option>';
1.115     albertel  238:     $result.='<form name="getprevious" method="post" action="';
1.29      albertel  239:     my $uri=$env{'request.uri'};
                    240:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    241:     $result.=$uri.'">'.
                    242: 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
                    243: <option>'.&mt('Pick one').'</option>
                    244: '.$list.'
                    245: </select>')."</form>";
1.8       albertel  246:     return $result;
                    247: }
                    248: 
1.13      albertel  249: sub add_grading_button {
1.258     raeburn   250:     my (undef,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
                    251:     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
                    252:         return;
                    253:     }
1.59      albertel  254:     my $cnum=$env{'course.'.$cid.'.num'};
                    255:     my $cdom=$env{'course.'.$cid.'.domain'};
1.144     albertel  256:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
                    257: 
1.59      albertel  258:     my $size=5;
                    259:     if (scalar(keys(%sections)) < 3) {
                    260: 	$size=scalar(keys(%sections))+2;
                    261:     }
1.200     albertel  262:     my $sec_select = "\n".'<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
1.263     bisitz    263:     $sec_select .= "\t".'<option value="all" selected="selected">'.&mt('all')."</option>\n";
1.59      albertel  264:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
1.200     albertel  265: 	$sec_select .= "\t<option value=\"$sec\">$sec</option>\n";
1.59      albertel  266:     }
1.263     bisitz    267:     $sec_select .= "\t".'<option value="none">'.&mt('none')."</option>\n</select>\n";
1.258     raeburn   268: 
                    269:     my $uri=$env{'request.uri'};
                    270:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    271:     my $result = 
                    272:         '<form name="gradesubmission" method="post" action="'.$uri.'">'.
                    273:         "\n\t".'<input type="submit" name="gradeasubmission" value="'.
                    274: 	&mt("Get a submission to grade").'" />'.
                    275:         "\n\t".'<input type="hidden" name="grade_target" value="webgrade" />';
1.237     albertel  276:     my $see_all = &Apache::lonnet::allowed('mgq',$env{'request.course.id'});
                    277:     my $see_sec = &Apache::lonnet::allowed('mgq',$env{'request.course.id'}.
                    278: 					   '/'.$env{'request.course.sec'});
                    279: 
                    280:     if ($see_all || $see_sec) {
1.34      albertel  281: 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
1.200     albertel  282: 	$result.="\n\t".'<table>'."\n\t\t".'<tr>';
1.237     albertel  283: 	if ($see_all || (!&section_restricted())) {
1.239     bisitz    284: 	    $result.="\n\t\t\t".'<td rowspan="4">'.&mt('Specify a section:').' </td>'.
1.237     albertel  285: 		"\n\t\t\t".'<td rowspan="4">'.$sec_select."\n\t\t\t".'</td>';
                    286: 	} else {
1.239     bisitz    287: 	    $result.="\n\t\t\t".'<td rowspan="4">'.&mt('Grading section:').' </td>'.
1.237     albertel  288: 		"\n\t\t\t".'<td rowspan="4">'.$env{'request.course.sec'}."\n\t\t\t".'</td>';
                    289: 	}
1.200     albertel  290: 	$result.="\n\t\t\t".'<td>'.'<input type="submit" name="reviewagrading" value="'.
1.106     albertel  291: 	    &mt("Select an entry from the grading queue:").'" /> ';
1.34      albertel  292: 
1.200     albertel  293: 	$result.= "\n\t\t\t\t".&mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
1.34      albertel  294: 
                    295: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
1.200     albertel  296: 	$result.="\n\t\t".'<tr>'.
                    297: 	    "\n\t\t\t".'<td>'.
                    298: 	    "\n\t\t\t\t".'<input type="submit" name="reviewasubmission" value="'.
1.106     albertel  299: 	    &mt("Select an entry from the review queue:").'" /> ';
                    300: 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
1.200     albertel  301: 		     $entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
                    302: 	$result.="\n\t\t".'<tr>'.
                    303: 	    "\n\t\t\t".'<td>'.
                    304: 	    "\n\t\t\t\t".'<input type="submit" name="regradeasubmission" value="'.
                    305: 	    &mt("List of user's grade status").'" /> </td>'
                    306: 	    ."\n\t\t".'</tr>'
                    307: 	    ."\n\t".'</table>'."\n";
                    308: 	$result.="\n\t".'<p>'.
                    309: 	    "\n\t\t".'<input type="submit" name="regradeaspecificsubmission" value="'.
                    310: 	    &mt("Regrade specific user:").'" />';
                    311: 	$result.= "\n\t\t".'<input type="text" size="12" name="gradinguser" />';
1.105     albertel  312: 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
                    313: 						     'gradingdomain');
                    314: 	$result.=' '.
                    315: 	    &Apache::loncommon::selectstudent_link('gradesubmission',
                    316: 						   'gradinguser',
                    317: 						   'gradingdomain');
                    318: 	$result.=&Apache::loncommon::studentbrowser_javascript();
1.200     albertel  319: 	$result.= '</p>'."\n";
1.144     albertel  320:     }
1.258     raeburn   321:     $result .= '</form>'."\n";
                    322:     return $result;
                    323: }
                    324: 
                    325: sub add_slotlist_button {
                    326:     my (undef,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
                    327:     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
                    328:         return;
                    329:     }
                    330:     my $symb=&Apache::lonnet::symbread();
                    331:     my $result;
                    332:     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'}) ||
                    333:         &Apache::lonnet::allowed('mgq',$env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
                    334:         $result = '<form method="post" name="slotrequest" action="/adm/slotrequest">'.
                    335:                   '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    336:                   '<input type="hidden" name="command" value="showslots" />'.
                    337:                   '<input type="submit" name="requestattempt" value="'.
                    338:                   &mt('Show Slot list').'" />'.
                    339:                   '</form>';
                    340:         my $target_id =
                    341:                &Apache::lonstathelpers::make_target_id({symb => $symb,
                    342:                                                              part => '0'});
                    343:         if (!&section_restricted()) {
                    344:             $result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
                    345:                      '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    346:                      '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    347:                      '<input type="submit" name="grading" value="'.
                    348:                      &mt('Show Grading Status').'" />'.
                    349:                      '</form>';
                    350:         }
                    351:     }
1.13      albertel  352:     return $result;
                    353: }
                    354: 
1.22      albertel  355: sub add_request_another_attempt_button {
1.38      albertel  356:     my ($text)=@_;
1.258     raeburn   357:     my (undef,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
                    358:     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
                    359:         return;
                    360:     }
1.239     bisitz    361:     if (!$text) { $text=&mt('Request another attempt'); }
1.25      albertel  362:     my $result;
1.36      albertel  363:     my $symb=&Apache::lonnet::symbread();
1.149     albertel  364:     # not a slot access based resource
                    365:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
                    366:     if ($useslots =~ /^\s*no\s*$/i) {
                    367: 	return '';
                    368:     }
                    369: 
1.37      albertel  370:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  371:     my $action='get_reservation';
1.37      albertel  372:     if ($slot_name) {
1.247     raeburn   373: 	$text=&mt('Change reservation');
1.38      albertel  374: 	$action='change_reservation';
1.37      albertel  375: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    376: 							      $slot);
1.239     bisitz    377: 	$result.='<p>'
                    378:                 .&mt('Will be next available:')
                    379:                 .' '.$description
                    380:                 .'</p>';
1.37      albertel  381:     }
1.38      albertel  382:     
                    383:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
1.158     www       384:     $symb=&escape($symb);
1.200     albertel  385:     $result.=
                    386:         "\n\t".'<form method="post" action="/adm/slotrequest">'."\n\t\t".
                    387: 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n\t\t".
                    388: 	'<input type="hidden" name="command" value="'.$action.'" />'."\n\t\t".
1.38      albertel  389: 	'<input type="submit" name="requestattempt" value="'.
1.239     bisitz    390: 	$text.'" />'."\n\t".
1.200     albertel  391: 	'</form>'."\n";
1.25      albertel  392:     return $result;
1.22      albertel  393: }
                    394: 
1.30      albertel  395: sub preserve_grade_info {
                    396:     my $result;
                    397:     # if we are viewing someone else preserve that info
                    398:     if (defined $env{'form.grade_symb'}) {
                    399: 	foreach my $field ('symb','courseid','domain','username') {
                    400: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    401: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    402: 	}
                    403:     }
                    404:     return $result;
                    405: }
                    406: 
1.53      albertel  407: sub style {
1.125     albertel  408:     my ($target) = @_;
                    409:     if ($target eq 'web'
                    410: 	|| $target eq 'webgrade') {
1.192     albertel  411: 	my $style = (<<STYLE);
1.126     albertel  412: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
1.53      albertel  413: STYLE
1.192     albertel  414:         if ($env{'browser.type'} eq 'explorer'
                    415: 	    && $env{'browser.os'} eq 'win' ) {
                    416: 	    if ($env{'browser.version'} < 7) {
                    417: 		$style .= (<<STYLE);
                    418: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie.css" />
                    419: STYLE
                    420:             } else {
                    421: 		$style .= (<<STYLE);
                    422: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie7.css" />
                    423: STYLE
                    424: 	    }
                    425: 	}
1.193     albertel  426: 	return $style;
1.125     albertel  427:     }
                    428:     return;
1.53      albertel  429: }
                    430: 
1.54      albertel  431: sub show_task {
                    432:     my ($status,$previous)=@_;
                    433:     if (!$previous && (
                    434: 		       ( $status eq 'CLOSED' ) ||
                    435: 		       ( $status eq 'BANNED') ||
                    436: 		       ( $status eq 'UNAVAILABLE') ||
                    437: 		       ( $status eq 'NOT_IN_A_SLOT') ||
1.256     raeburn   438:                        ( $status eq 'NOT_YET_VIEWED') ||
1.54      albertel  439: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    440: 		       ( $status eq 'WAITING_FOR_GRADE') ||
1.150     albertel  441: 		       ( $status eq 'INVALID_ACCESS') ||
                    442: 		       ( &get_version() eq ''))) {
1.54      albertel  443: 	return 0;
                    444:     }
1.64      albertel  445:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  446:     return 1;
                    447: }
                    448: 
1.173     albertel  449: my @delay;
                    450: sub nest { 
                    451:     if (@delay) {
                    452: 	return $delay[-1];
                    453:     } else {
                    454: 	return;
                    455:     }
                    456: }
                    457: 
1.208     albertel  458: sub start_delay {
                    459:     push(@delay,1);
                    460: }
                    461: sub end_delay {
                    462:     pop(@delay);
                    463: }
                    464: 
1.173     albertel  465: sub nested_parse {
                    466:     my ($str,$env,$args) = @_;
                    467:     my @old_env = @Apache::scripttag::parser_env;
                    468:     @Apache::scripttag::parser_env = @$env;
                    469:     if (exists($args->{'set_dim_id'})) {
                    470: 	&enable_dimension_parsing($args->{'set_dim_id'});
                    471:     }
                    472:     push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
                    473:     my $result = &Apache::scripttag::xmlparse($$str);
                    474:     pop(@delay);
                    475:     if (exists($args->{'set_dim_id'})) {
                    476: 	&disable_dimension_parsing();
                    477:     }
                    478:     @Apache::scripttag::parser_env = @old_env;
                    479:     if ($args->{'delayed_dim_results'}) {
                    480: 	my $dim = &get_dim_id();
1.180     albertel  481: 	&Apache::lonxml::debug(" tossing out $result ");
                    482: 	&Apache::lonxml::debug(" usining out $dim 's  ". $dimension{$dim}{'result'});
1.173     albertel  483: 	return $dimension{$dim}{'result'};
                    484:     }
                    485:     return $result;
                    486: }
                    487: 
1.54      albertel  488: sub internal_location {
                    489:     my ($id)=@_;
                    490:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    491: }
                    492: 
1.60      albertel  493: sub submission_time_stamp {
1.185     albertel  494:     my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.60      albertel  495:     my $submissiontime;
1.89      albertel  496:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  497:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
1.183     albertel  498: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
                    499: 	    && defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
1.60      albertel  500: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
1.182     albertel  501: 	    last;
1.60      albertel  502: 	}
                    503:     }
                    504:     my $result;
                    505:     if ($submissiontime) {
1.89      albertel  506: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  507: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    508: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  509: 	my ($color,$when)=('#FF6666','after');
                    510: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  511: 	my $info;
1.182     albertel  512: 	$diff = abs($diff);
1.60      albertel  513: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    514: 	$diff=int($diff/60);
                    515: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    516: 	$diff=int($diff/60);
                    517: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    518: 	$result='<p><font color="'.$color.'">'.
1.182     albertel  519: 	    &mt('Student submitted [_1] [_2] the deadline. '.
                    520: 		'(Submission was at [_3], end of period was [_4].)',
                    521: 		$info,$when,
                    522: 		&Apache::lonlocal::locallocaltime($submissiontime),
                    523: 		&Apache::lonlocal::locallocaltime($slot{'endtime'})).
1.60      albertel  524: 		'</font></p>';
                    525:     }
                    526:     return $result;
                    527: }
                    528: 
1.119     albertel  529: sub file_list {
                    530:     my ($files,$uname,$udom) = @_;
                    531:     if (!defined($uname) || !defined($udom)) {
1.185     albertel  532: 	(undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
1.119     albertel  533:     }
1.70      albertel  534:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.119     albertel  535: 
1.120     albertel  536:     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
1.119     albertel  537:     foreach my $partial_file (split(',',$files)) {
1.70      albertel  538: 	my $file=$file_url.$partial_file;
                    539: 	$file=~s|/+|/|g;
                    540: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.243     bisitz    541: 	$file_list.='<li><span class="LC_nobreak"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
1.161     albertel  542: 	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
                    543: 	    '</a></span></li>'."\n";
1.70      albertel  544:     }
                    545:     $file_list.="</ul>\n";
1.119     albertel  546:     return $file_list;
                    547: }
                    548: 
1.163     albertel  549: sub grade_mode {
                    550:     if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
                    551: 	return 'regrade';
                    552:     }
                    553:     return 'queue_grade';
                    554: }
                    555: 
1.119     albertel  556: sub webgrade_standard_info {
                    557:     my ($version)=&get_version();
                    558: 
                    559:     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
1.70      albertel  560: 
1.245     bisitz    561:     my %lt = &Apache::lonlocal::texthash(
                    562:         'done'   => 'Next Item',
                    563:         'stop'   => 'Quit Grading',
                    564:         'fail'   => 'Fail Rest',
                    565:         'cancel' => 'Cancel',
                    566:         'submit' => 'Submit Grades',
                    567:     );
1.163     albertel  568: 
1.70      albertel  569:     my $result=<<INFO;
1.120     albertel  570:   <div class="LC_GRADING_maincontrols">
1.163     albertel  571: INFO
                    572: 
1.231     albertel  573:     if ($env{'request.state'} eq 'construct') {
1.163     albertel  574: 	$result.=<<INFO;
1.231     albertel  575:     <input type="submit" name="next" value="$lt{'submit'}" />
                    576: INFO
                    577:     } else {
                    578: 	if (&grade_mode() eq 'regrade' && $env{'request.state'} ne 'construct') {
                    579: 	    $result.=<<INFO;
1.163     albertel  580:     <input type="submit" name="cancel" value="$lt{'cancel'}" />
                    581: INFO
1.231     albertel  582:         }
1.163     albertel  583: 
1.231     albertel  584: 	$result.=<<INFO;
1.111     albertel  585:     <input type="submit" name="next" value="$lt{'done'}" />
                    586:     <input type="submit" name="stop" value="$lt{'stop'}" />
1.231     albertel  587: INFO
                    588:     }
                    589:     $result.=<<INFO;
1.143     albertel  590:     <input type="button" name="fail" value="$lt{'fail'}" 
                    591:            onclick="javascript:onFailRest()" />
1.111     albertel  592:   </div>
1.70      albertel  593:   $file_list
                    594: INFO
                    595:     return $result;
1.231     albertel  596: 
1.70      albertel  597: }
                    598: 
1.166     albertel  599: sub done_screen {
                    600:     my ($version) = @_;
1.231     albertel  601:     my $title=&Apache::lonnet::gettitle($env{'request.uri'});
1.166     albertel  602:     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
1.185     albertel  603:     my (undef,undef,$domain,$user)= &Apache::lonnet::whichuser();
1.255     raeburn   604:     my ($msg,$files,$shown);
                    605:     if (@files > 0) {
                    606:         $files = '<ul>';
                    607:         foreach my $file (@files) {
                    608: 	    my $url="/uploaded/$domain/$user/portfolio$file";
                    609: 	    if (! &Apache::lonnet::stat_file($url)) {
                    610: 	        $file = '<span class="LC_error">'
                    611:                        .&mt('[_1]Nonexistent file:[_2]'
                    612:                            ,'<span class="LC_error"> '
                    613:                            ,'</span> <span class="LC_filename">'.$file.'</span>');
                    614: 	        $msg .= "<p>".&mt('Submitted non-existent file [_1]',$file)."</p>\n";
                    615: 	    } else {
                    616: 	        $file = '<span class="LC_filename">'.$file.'</span>';
                    617: 	        $msg .= "<p>".&mt('Submitted file [_1]',$file)."</p>\n";
                    618: 	    }
                    619: 	    $files .= '<li>'.$file.'</li>';
                    620:         }
                    621:         $files.='</ul>';
                    622:         $shown = '<p>'.&mt('Files submitted: [_1]',$files).'</p>'
                    623:                 .'<p>'.&mt('You are now done with this Bridge Task').'</p>'
                    624:                 .'<hr />'
                    625:                 .'<p><a href="/adm/logout">'.&mt('Logout').'</a></p>'
                    626:                 .'<p><a href="/adm/roles">'.&mt('Change to a different course').'</a></p>';
                    627:     } else {
                    628:         $msg = &mt("Submission status: no files currently submitted, when 'Done' was indicated.");
                    629:         $shown = '<p class="LC_error">'.
                    630:                  &mt('You did not submit any files.  Please try again.').'</span>'.
                    631:                  '</p><p><a href="javascript:history.go(-1);">'.&mt('Back to Bridge Task').'</a></p><hr />';
1.166     albertel  632:     }
1.239     bisitz    633:     my $subject = &mt('Submission message for [_1]',$title);
1.167     albertel  634:     my ($message_status,$comment_status);
                    635:     my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
                    636:     $setting =~ s/^\s*(\S*)\s*$/$1/;
                    637:     $setting = lc($setting);
                    638:     if ($setting eq 'only_student'
                    639: 	|| $setting eq 'student_and_user_notes_screen') {
                    640: 	$message_status =
                    641: 	    &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
                    642: 	$message_status = '<p>'.&mt('Message sent to user: [_1]',
                    643: 				    $message_status).' </p>';
                    644:     }
                    645:     if ($setting eq 'student_and_user_notes_screen') {
                    646: 	$comment_status = 
                    647: 	    &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
                    648: 						      $msg,$user,$domain);
                    649: 	$comment_status = '<p>'.&mt('Message sent to instructor: [_1]',
                    650: 				    $comment_status).' </p>';
                    651:     }
1.255     raeburn   652:  
1.239     bisitz    653:     return "<h2>$title</h2>"
1.255     raeburn   654:           .$shown
                    655:           .$message_status
                    656:           .$comment_status;
1.166     albertel  657: }
                    658: 
1.1       albertel  659: sub start_Task {
1.87      albertel  660:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  661: 
1.4       albertel  662:     my ($status,$accessmsg,$slot);
1.179     albertel  663:     &Apache::structuretags::init_problem_globals('Task');
1.16      albertel  664:     if ($target ne 'webgrade') {
                    665: 	&Apache::structuretags::initialize_storage();
                    666: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  667: 	if ($env{'request.state'} eq 'construct') {
                    668: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    669: 	}
1.16      albertel  670:     } 
                    671: 
1.4       albertel  672:     $Apache::lonhomework::parsing_a_task=1;
1.141     albertel  673: 
                    674:     my $name;
                    675:     if ($target eq 'web' || $target eq 'webgrade') {
                    676: 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    677:     }
                    678: 
1.145     albertel  679:     my ($result,$form_tag_start);
                    680:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
                    681: 	|| $target eq 'edit') {
                    682: 	($result,$form_tag_start) =
                    683: 	    &Apache::structuretags::page_start($target,$token,$tagstack,
                    684: 					       $parstack,$parser,$safeeval,
1.146     albertel  685: 					       $name,&style($target));
1.256     raeburn   686: 
                    687:     }
                    688:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    689:         $target eq 'tex') {
                    690:         if ($env{'form.markaccess'}) {
                    691:             my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.264.8.1.2.1  (raeburn  692::             my ($timelimit) = ($interval[0] =~ /^(\d+)/);
                    693::             &Apache::lonnet::set_first_access($interval[1],$timelimit);
1.256     raeburn   694:         }
1.145     albertel  695:     }
1.123     albertel  696: 
1.74      albertel  697:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.147     albertel  698: 	if ($Apache::lonhomework::queuegrade
                    699: 	    || $Apache::lonhomework::modifygrades) {
1.258     raeburn   700: 	    $result .= &add_grading_button();
1.38      albertel  701: 	    my $symb=&Apache::lonnet::symbread();
1.235     albertel  702: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})
                    703: 		|| &Apache::lonnet::allowed('mgq',$env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
1.258     raeburn   704:                 $result .= &add_slotlist_button(); 
1.40      albertel  705: 	    }
1.13      albertel  706: 	}
1.8       albertel  707:     }
1.231     albertel  708:     if ($target =~/(web|webgrade)/ && $env{'request.state'} eq 'construct') {
1.74      albertel  709: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    710:     }
1.163     albertel  711:     if ($target eq 'web' 
                    712: 	|| ($target eq 'grade' && !$env{'form.webgrade'}) 
                    713: 	|| $target eq 'answer' 
                    714: 	|| $target eq 'tex') {
1.29      albertel  715: 	my ($version,$previous)=&get_version();
1.14      albertel  716: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  717: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.256     raeburn   718: 	if ((($status eq 'CAN_ANSWER') || ($status eq 'NOT_YET_VIEWED')) && ($version eq '')) {
                    719: 	    # CAN_ANSWER or NOT_YET_VIEWED mode, and no current version, unproctored access
1.174     albertel  720: 	    # thus self-checkedin
1.246     raeburn   721: 	    my $check = &check_in('Task',undef,undef,$slot_name);
                    722:             if ($check =~ /^error: /) {
                    723:                 my $symb=&Apache::lonnet::symbread();
                    724:                 &Apache::lonnet::logthis("Error during self-checkin of version $version of Task (symb: $symb) using slot: $slot_name");   
                    725:             }
1.152     albertel  726: 	    &add_to_queue('gradingqueue',{'type' => 'Task',
                    727: 					  'time' => time,
                    728: 					  'slot' => $slot_name});
1.150     albertel  729: 	    ($version,$previous)=&get_version();
                    730: 	}
1.260     raeburn   731:         if (($target eq 'web') && ($version ne '') && ($slot_name ne '')) {
                    732:             if (ref($slot) eq 'HASH') {
                    733:                 if ($slot->{'endtime'} > time()) {
                    734:                     $result .=
                    735:                         &Apache::lonhtmlcommon::set_due_date($slot->{'endtime'});
                    736:                 }
                    737:             }
                    738: 	}
                    739: 
1.258     raeburn   740: 	my $status_id = 'LC_task_take';
                    741:         if ($previous && $target eq 'answer') {
                    742:             $status_id = 'LC_task_answer';
                    743:         } elsif ($previous || $status eq 'SHOW_ANSWER') {
                    744: 	    $status_id = 'LC_task_feedback';
                    745:         }
1.218     albertel  746: 	$result .= '<div class="LC_task" id="'.$status_id.'">'."\n";
1.150     albertel  747: 
1.9       albertel  748: 	push(@Apache::inputtags::status,$status);
1.14      albertel  749: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  750: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  751: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  752: 	&Apache::run::run($expression,$safeeval);
                    753: 	&Apache::lonxml::debug("Got $status");
1.141     albertel  754: 	$result.=&add_previous_version_button($status);
1.54      albertel  755: 	if (!&show_task($status,$previous)) {
1.87      albertel  756: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  757: 	    if ( $target eq "web" ) {
1.74      albertel  758: 		if ($env{'request.state'} eq 'construct') {
                    759: 		    $result.=$form_tag_start;
                    760: 		}
1.4       albertel  761: 		my $msg;
1.1       albertel  762: 		if ($status eq 'UNAVAILABLE') {
1.259     golterma  763: 		    $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1.3       albertel  764: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
1.259     golterma  765: 		    $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1.247     raeburn   766: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work");
1.4       albertel  767: 		} elsif ($status eq 'NEEDS_CHECKIN') {
1.259     golterma  768: 		    $msg.='<p class="LC_warning">'.&mt('You need the Proctor to validate you.').
                    769: 			'</p>'.&proctor_validation_screen($slot);
1.22      albertel  770: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
1.259     golterma  771: 		    $msg.='<p class="LC_info">'.&mt('Your submission is in the grading queue.').'</p>';
1.64      albertel  772: 		} elsif ($env{'form.donescreen'}) {
1.167     albertel  773: 		    $result .= &done_screen($version);
1.256     raeburn   774: 		} elsif ($status eq 'NOT_YET_VIEWED') {
                    775:                     my $symb=&Apache::lonnet::symbread();
                    776:                     $msg.=&Apache::structuretags::firstaccess_msg($accessmsg,$symb);
                    777: 		} else {
1.259     golterma  778: 		    $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1.1       albertel  779: 		}
                    780: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    781: 		    $msg.='The problem '.$accessmsg;
                    782: 		}
                    783: 		$result.=$msg.'<br />';
                    784: 	    } elsif ($target eq 'tex') {
1.248     foxr      785: 		$result.='\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
1.1       albertel  786: 		if ($status eq 'UNAVAILABLE') {
                    787: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    788: 		} else {
                    789: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    790: 		}
1.22      albertel  791: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  792: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  793: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    794: 		       && defined($Apache::inputtags::slot_name)) {
1.148     albertel  795: 			my $result=
                    796: 			    &add_to_queue('gradingqueue',
1.152     albertel  797: 					  {'type' => 'Task',
1.148     albertel  798: 					   'time' => time,
                    799: 					   'slot' => 
                    800: 					       $Apache::inputtags::slot_name});
1.77      albertel  801: 			&Apache::lonxml::debug("add_to_queue said $result");
                    802: 		    }
1.4       albertel  803: 		}
1.1       albertel  804: 	    }
                    805: 	} elsif ($target eq 'web') {
1.141     albertel  806: 
1.57      albertel  807: 	    $result.=&preserve_grade_info();
1.194     albertel  808: 	    $result.=&internal_location(); 
1.200     albertel  809: 	    $result.=$form_tag_start."\t".
1.36      albertel  810: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  811: 	    &Apache::lonxml::startredirection();
1.1       albertel  812: 	}
1.21      albertel  813:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    814: 	      $target eq 'webgrade') {
1.32      albertel  815: 	my $webgrade='yes';
1.21      albertel  816: 	if ($target eq 'webgrade') {
1.218     albertel  817: 	    $result .= '<div class="LC_task">'."\n";
1.141     albertel  818: 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
1.124     albertel  819: 		'<script type="text/javascript" 
1.126     albertel  820:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  821: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    822: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  823: 	}
1.194     albertel  824: 
1.105     albertel  825: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  826: 
                    827: 	if ($todo) {
                    828: 	    &setup_env_for_other_user($todo,$safeeval);
                    829: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
1.231     albertel  830: 	    if ($env{'request.state'} eq 'construct') {
                    831: 		$symb = $env{'request.uri'};
                    832: 	    }
                    833: 	    $result.="\n".'<p>'.
                    834: 		&mt('Grading [_1] for [_2] at [_3]',
                    835: 		    &Apache::lonnet::gettitle($symb),$uname,$udom).'</p>';
1.33      albertel  836: 	    $form_tag_start.=
                    837: 		'<input type="hidden" name="gradingkey" value="'.
1.158     www       838: 		&escape($todo).'" />';
1.33      albertel  839: 	    $Apache::bridgetask::queue_key=$todo;
                    840: 	    &Apache::structuretags::initialize_storage();
                    841: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  842: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    843: 		$form_tag_start.=
                    844: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  845: 	    }
1.15      albertel  846: 	} else {
1.33      albertel  847: 	    if ($target eq 'webgrade') {
                    848: 		$result.="\n";
1.81      albertel  849: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    850: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  851: 		if      ($status_code eq 'stop') {
1.81      albertel  852: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.163     albertel  853: 		} elsif ($status_code eq 'cancel') {
                    854: 		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
1.254     raeburn   855:                 } elsif ($status_code eq 'terminated') {
                    856:                     $result.= '<b>'.&mt('Terminated grading').'</b><br />'.
                    857:                               '<span class="LC_error">'.
                    858:                               &mt('Grading for [_1] has not been saved because of a grading key mismatch.',
                    859:                               '<tt>'.$env{'form.terminated'}.'</tt>').'</span><br />'.$back;
1.164     albertel  860: 		} elsif ($status_code eq 'never_versioned') {
                    861: 		    $result.='<b>'.
                    862: 			&mt("Requested user has never accessed the task.").
                    863: 			'</b>'.$back;
1.165     albertel  864: 		} elsif ($status_code =~ /still_open:(.*)/) {
                    865: 		    my $date = &Apache::lonlocal::locallocaltime($1);
                    866: 		    $result.='<b>'.
                    867: 			&mt("Task is still open, will close at [_1].",$date).
                    868: 			'</b>'.$back;
1.33      albertel  869: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  870: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  871: 			.'</b>'.$back;
1.33      albertel  872: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  873: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    874: 			.'</b>'.$back;
1.33      albertel  875: 		    $result.=&show_queue($env{'form.queue'},1);
                    876: 		} elsif ($status_code eq 'show_list') {
                    877: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  878: 		} elsif ($status_code eq 'select_user') {
                    879: 		    $result.=&select_user();
1.95      albertel  880: 		} elsif ($status_code eq 'unable') {
                    881: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  882: 		} elsif ($status_code eq 'not_allowed') {
                    883: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  884: 		} else {
1.81      albertel  885: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  886: 		}
1.21      albertel  887: 	    }
1.33      albertel  888: 	    $webgrade='no';
1.163     albertel  889: 	}
                    890: 	if (!$todo || $env{'form.cancel'}) {
1.87      albertel  891: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  892: 	}
                    893: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  894: 	    if ($webgrade eq 'yes') {
                    895: 		$result.=&submission_time_stamp();
                    896: 	    }
1.32      albertel  897: 	    $result.=$form_tag_start;
                    898: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    899: 		$webgrade.'" />';
                    900: 	    $result.='<input type="hidden" name="queue" value="'.
                    901: 		$env{'form.queue'}.'" />';
1.52      albertel  902: 	    if ($env{'form.regrade'}) {
                    903: 		$result.='<input type="hidden" name="regrade" value="'.
                    904: 		    $env{'form.regrade'}.'" />';
                    905: 	    }
1.237     albertel  906: 	    if ($env{'form.chosensections'} || &section_restricted()) {
                    907: 		my @chosen_sections = &get_allowed_sections();
1.62      albertel  908: 		foreach my $sec (@chosen_sections) {
                    909: 		    $result.='<input type="hidden" name="chosensections" 
                    910:                                value="'.$sec.'" />';
                    911: 		}
                    912: 	    }
1.70      albertel  913: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.231     albertel  914: 	} elsif ($target eq 'webgrade' 
                    915: 		 && $env{'request.state'} eq 'construct') {
                    916: 	    $result.=$form_tag_start;
                    917: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    918: 		$webgrade.'" />';
                    919: 	    $result.=&webgrade_standard_info();
1.15      albertel  920: 	}
1.110     albertel  921: 	if ($target eq 'webgrade') {
1.120     albertel  922: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.194     albertel  923: 	    &Apache::lonxml::startredirection();
1.208     albertel  924: 	    &start_delay();
                    925: 	    $dimension{$top}{'result'}=$result;
                    926: 	    undef($result);
1.110     albertel  927: 	}
1.74      albertel  928:     } elsif ($target eq 'edit') {
1.141     albertel  929: 	$result.=$form_tag_start.
1.74      albertel  930: 	    &Apache::structuretags::problem_edit_header();
                    931: 	$Apache::lonxml::warnings_error_header=
                    932: 	    &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 />";
1.225     albertel  933: 	$result.= &Apache::edit::text_arg('Required number of passed optional elements to pass the Task:','OptionalRequired',$token,10)." <br />\n";
                    934: 	$result.= &Apache::edit::insertlist($target,$token);
                    935:     } elsif ($target eq 'modified') {
                    936: 	my $constructtag=
                    937: 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
                    938: 					'OptionalRequired');
                    939: 	if ($constructtag) {
                    940: 	    $result = &Apache::edit::rebuild_tag($token);
                    941: 	}
1.1       albertel  942:     } else {
                    943: 	# page_start returned a starting result, delete it if we don't need it
                    944: 	$result = '';
                    945:     }
                    946:     return $result;
                    947: }
                    948: 
1.165     albertel  949: sub get_task_end_time {
                    950:     my ($queue_entry,$symb,$udom,$uname) = @_;
                    951: 
                    952:     my $end_time;
                    953:     if (my $slot = &slotted_access($queue_entry)) {
                    954: 	my %slot_data=&Apache::lonnet::get_slot($slot);
                    955: 	$end_time = $slot_data{'endtime'};
                    956:     } else {
                    957: 	$end_time = &Apache::lonhomework::due_date('0',$symb,
                    958: 						   $udom,$uname);
                    959:     }
                    960:     return $end_time;
                    961: }
                    962: 
1.32      albertel  963: sub get_key_todo {
                    964:     my ($target)=@_;
                    965:     my $todo;
1.33      albertel  966: 
1.231     albertel  967:     if ($env{'request.state'} eq 'construct') {
                    968: 	my ($symb,$cid,$udom,$uname) = &Apache::lonnet::whichuser();
                    969: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    970: 	return ($gradingkey);
                    971:     }
                    972: 
1.33      albertel  973:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  974: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  975: 	$env{'form.queue'}='reviewqueue';
                    976: 	return (undef,'show_list');
                    977:     }
                    978: 
                    979:     if (defined($env{'form.reviewagrading'})) {
                    980: 	&Apache::lonxml::debug("review a grading....");
                    981: 	$env{'form.queue'}='gradingqueue';
                    982: 	return (undef,'show_list');
                    983:     }
                    984: 
1.49      albertel  985:     if (defined($env{'form.regradeasubmission'})) {
                    986: 	&Apache::lonxml::debug("regrade a grading....");
                    987: 	$env{'form.queue'}='none';
                    988: 	return (undef,'select_user');
                    989:     }
                    990: 
1.105     albertel  991: 
1.138     albertel  992:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.105     albertel  993: 
                    994:     #need to try both queues..
                    995:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    996: 	defined($env{'form.gradinguser'})               &&
                    997: 	defined($env{'form.gradingdomain'})               ) {
1.185     albertel  998: 	my ($symb,$cid)=&Apache::lonnet::whichuser();
1.105     albertel  999: 	my $cnum  = $env{'course.'.$cid.'.num'};
                   1000: 	my $cdom  = $env{'course.'.$cid.'.domain'};
1.224     albertel 1001: 	my $uname = &LONCAPA::clean_username($env{'form.gradinguser'});
                   1002: 	my $udom  = &LONCAPA::clean_domain($env{'form.gradingdomain'});
1.237     albertel 1003: 	
                   1004: 	if (&section_restricted()) {
                   1005: 	    my $classlist=&get_limited_classlist();
                   1006: 	    if (!&allow_grade_user($classlist->{$uname.':'.$udom})) {
                   1007: 		return (undef,'not_allowed',
1.261     raeburn  1008: 			&mt("Requested student ([_1]) is in a section you aren't allowed to grade.",$uname.':'.$udom));
1.237     albertel 1009: 	    }
                   1010: 	}
1.105     albertel 1011: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                   1012: 
                   1013: 	my $queue;
                   1014: 
                   1015: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                   1016: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                   1017: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                   1018: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                   1019: 	}
                   1020: 	
                   1021: 	if (!$queue) {
                   1022: 	    $env{'form.queue'} = $queue = 'none';
                   1023: 	    #not queued so doing either a re or pre grade
1.164     albertel 1024: 	    my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
                   1025: 	    if ($status{'resource.0.version'} < 1) {
                   1026: 		return (undef,'never_versioned');
                   1027: 	    }
1.105     albertel 1028: 	    return ($gradingkey);
                   1029: 	}
                   1030: 
1.165     albertel 1031: 	if ($queue) {
                   1032: 	    my $queue_entry = &get_queue_data($queue,$udom,$uname);
                   1033: 	
                   1034: 	    my $end_time = &get_task_end_time($queue_entry,$symb,
                   1035: 					      $udom,$uname);
                   1036: 	    if ($end_time > time) {
                   1037: 		return (undef,"still_open:$end_time");
                   1038: 	    }
                   1039: 	}
                   1040: 
1.105     albertel 1041: 	my $who=&queue_key_locked($queue,$gradingkey);
                   1042: 	if ($who eq $me) {
                   1043: 	    #already have the lock
1.158     www      1044: 	    $env{'form.gradingkey'}=&escape($gradingkey);
1.163     albertel 1045: 	    &Apache::lonxml::debug("already locked");
1.105     albertel 1046: 	    return ($gradingkey);
                   1047: 	}
                   1048: 	
                   1049: 	if (!defined($who)) {
                   1050: 	    if (&lock_key($queue,$gradingkey)) {
1.163     albertel 1051: 		&Apache::lonxml::debug("newly locked");
1.105     albertel 1052: 		return ($gradingkey);
                   1053: 	    } else {
                   1054: 		return (undef,'lock_failed');
                   1055: 	    }
                   1056: 	}
                   1057: 
                   1058: 	#otherwise (defined($who) && $who ne $me) some else has it...
                   1059: 	return (undef,'not_allowed',
                   1060: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
1.138     albertel 1061: 		    $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
1.105     albertel 1062:     }
                   1063: 
                   1064: 
1.32      albertel 1065:     my $queue=$env{'form.queue'};
1.33      albertel 1066: 
1.32      albertel 1067:     if (!defined($queue)) {
                   1068: 	$env{'form.queue'}=$queue='gradingqueue';
                   1069:     }
1.33      albertel 1070: 
1.158     www      1071:     my $gradingkey=&unescape($env{'form.gradingkey'});
1.33      albertel 1072: 
1.49      albertel 1073:     if ($env{'form.queue'} eq 'none') {
                   1074: 	if (defined($env{'form.gradingkey'})) {
                   1075: 	    if ($target eq 'webgrade') {
                   1076: 		if ($env{'form.stop'}) {
                   1077: 		    return (undef,'stop');
1.163     albertel 1078: 		} elsif ($env{'form.cancel'}) {
                   1079: 		    return (undef,'cancel');
1.254     raeburn  1080:                 } elsif ($env{'form.terminated'}) {
                   1081:                     return (undef, 'terminated');
1.49      albertel 1082: 		} elsif ($env{'form.next'}) {
1.59      albertel 1083: 		    return (undef,'select_user');
1.49      albertel 1084: 		}
                   1085: 	    }
                   1086: 	    return ($gradingkey,'selected');
                   1087: 	} else {
1.59      albertel 1088: 	    return (undef,'select_user');
1.49      albertel 1089: 	}
                   1090:     }
1.32      albertel 1091:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel 1092: 	&& !defined($env{'form.gradingaction'}) 
                   1093: 	&& $env{'form.queuemode'} eq 'selected') {
                   1094: 	
                   1095: 	my $who=&queue_key_locked($queue,$gradingkey);
                   1096: 	if ($who eq $me) {
                   1097: 	    &Apache::lonxml::debug("Found a key was given to me");
                   1098: 	    return ($gradingkey,'selected');
                   1099: 	} else {
                   1100: 	    return (undef,'show_list');
                   1101: 	}
                   1102: 
                   1103:     }
                   1104: 
                   1105:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                   1106: 	if ($env{'form.gradingaction'} eq 'resume') {
                   1107: 	    delete($env{'form.gradingaction'});
                   1108: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel 1109: 	    return ($gradingkey);
1.33      albertel 1110: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                   1111: 	    &Apache::lonxml::debug("Unlocking a key ".
                   1112: 				     &check_queue_unlock($queue,$gradingkey,1));
                   1113: 	    return (undef,'unlock');
                   1114: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                   1115: 	    &Apache::lonxml::debug("Locking a key");
                   1116: 	    if (&lock_key($queue,$gradingkey)) {
                   1117: 		&Apache::lonxml::debug("Success $queue");
                   1118: 		return ($gradingkey);
                   1119: 	    }
                   1120: 	    &Apache::lonxml::debug("Failed $queue");
                   1121: 	    return (undef,'lock_failed');
1.32      albertel 1122: 	}
                   1123:     }
1.33      albertel 1124: 
                   1125:     if ($env{'form.queuemode'} ne 'selected') {
                   1126: 	# don't get something new from the queue if they hit the stop button
1.254     raeburn  1127:     	if (!(($env{'form.cancel'} || $env{'form.stop'} || $env{'form.terminated'}) 
1.163     albertel 1128: 	      && $target eq 'webgrade') 
1.33      albertel 1129: 	    && !$env{'form.gradingaction'}) {
                   1130: 	    &Apache::lonxml::debug("Getting anew $queue");
                   1131: 	    return (&get_from_queue($queue));
                   1132: 	} else {
1.254     raeburn  1133:             if ($env{'form.terminated'}) {
                   1134:                 return (undef,'terminated');
                   1135:             } else {
                   1136:                 return (undef,'stop');
                   1137:             }
1.33      albertel 1138: 	}
1.32      albertel 1139:     }
1.33      albertel 1140:     return (undef,undef)
1.32      albertel 1141: }
1.94      albertel 1142: 
                   1143: sub minimize_storage {
                   1144:     foreach my $key (keys(%Apache::lonhomework::results)) {
                   1145: 	if ($key =~ /regrader$/) { next; }
                   1146: 	if ($Apache::lonhomework::results{$key} eq
                   1147: 	    $Apache::lonhomework::history{$key}) {
                   1148: 	    delete($Apache::lonhomework::results{$key});
                   1149: 	}
                   1150:     }
                   1151: }
                   1152: 
1.1       albertel 1153: sub end_Task {
                   1154:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1155:     my $result='';
                   1156:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel 1157:     my ($version,$previous)=&get_version();
1.1       albertel 1158:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel 1159: 	$target eq 'tex') {
1.69      albertel 1160: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel 1161: 	    if ($target eq 'web') {
1.54      albertel 1162: 		if (&show_task($status,$previous)) {
                   1163: 		    $result.=&Apache::lonxml::endredirection();
                   1164: 		}
1.64      albertel 1165: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                   1166: 		    !$env{'form.donescreen'}) {
1.252     raeburn  1167:                     my ($portheader,$porttext);
                   1168:                     if ($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"}) {
                   1169:                         $portheader = &mt('Submit Additional Portfolio Files for Grading');
                   1170:                         $porttext = &mt('Indicate which additional files from your portfolio are to be evaluated in grading this task.');
                   1171:                     } else {
                   1172:                         $portheader = &mt('Submit Portfolio Files for Grading');
                   1173:                         $porttext = &mt('Indicate the files from your portfolio to be evaluated in grading this task.');
                   1174:                     }
1.257     raeburn  1175: 		    $result.="\n".'<div>'.&Apache::lonhtmlcommon::start_pick_box().
1.28      albertel 1176: 			&Apache::inputtags::file_selector("$version.0",
                   1177: 							  "bridgetask","*",
1.46      albertel 1178: 							  'portfolioonly',
1.252     raeburn  1179:                                                           '<h3>'.$portheader.'</h3><br />'.
                   1180:                                                           $porttext.'<br />').
1.257     raeburn  1181: 			&Apache::lonhtmlcommon::end_pick_box().'</div>';
1.77      albertel 1182: 		}
1.78      albertel 1183: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                   1184: 		    &show_task($status,$previous)) {
1.232     albertel 1185: 		    $result.=&Apache::inputtags::gradestatus('0',$target,1);
1.199     albertel 1186: 		}
                   1187: 		
                   1188: 		$result.='</form>';
                   1189: 
                   1190: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                   1191: 		    &show_task($status,$previous)) {
1.116     albertel 1192: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.241     raeburn  1193:                     my $donetext = &mt('Done');
1.64      albertel 1194: 		    $result.=<<DONEBUTTON;
1.115     albertel 1195: <form name="done" method="post" action="$action">
1.64      albertel 1196:    <input type="hidden" name="donescreen" value="1" />
1.241     raeburn  1197:    <input type="submit" value="$donetext" />
1.64      albertel 1198: </form>
                   1199: DONEBUTTON
1.77      albertel 1200:                 }
1.56      albertel 1201: 		if (&show_task($status,$previous) &&
1.89      albertel 1202: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                   1203: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.231     albertel 1204: 		    my $title=&Apache::lonnet::gettitle($env{'request.uri'});
1.149     albertel 1205: 		    my $start_time;
                   1206: 
1.80      albertel 1207: 		    my $slot_name=
1.89      albertel 1208: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.149     albertel 1209: 		    if ($slot_name) {
                   1210: 			my %slot=&Apache::lonnet::get_slot($slot_name);
                   1211: 
                   1212: 			$start_time=$slot{'starttime'}
                   1213: 		    } else {
                   1214: 			$start_time= 
                   1215: 			    &Apache::lonnet::EXT('resource.0.opendate');
                   1216: 		    }
                   1217: 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
1.54      albertel 1218: 
1.200     albertel 1219: 		    my $status = 
1.213     albertel 1220: 			"\n<div class='LC_$bt_status LC_criteria LC_task_overall_status'>\n\t";
1.54      albertel 1221: 		    
1.213     albertel 1222: 		    my $dim = $top;
                   1223: 		    my %counts = &get_counts($dim,undef,$parstack,
                   1224: 					     $safeeval);
                   1225: 		    my $question_status ="\n\t<p>".
                   1226: 			&question_status_message(\%counts,-1).
                   1227: 			"</p>\n";
                   1228: 
1.54      albertel 1229: 		    if ($bt_status eq 'pass')  {
1.239     bisitz   1230: 			$status.='<h2>'
                   1231:                                 .&mt('You passed the [_1] given on [_2].',$title,$start_time)
                   1232:                                 .'</h2>';
1.213     albertel 1233: 			$status.=$question_status;
1.54      albertel 1234: 		    }
                   1235: 		    if ($bt_status eq 'fail')  {
1.239     bisitz   1236: 			$status.='<h2>'
                   1237:                                 .&mt('You did not pass the [_1] given on [_2].',$title,$start_time)
                   1238:                                 .'</h2>';
1.213     albertel 1239: 			$status.=$question_status;
1.54      albertel 1240: 			if (!$previous) {
                   1241: 			    $status.=&add_request_another_attempt_button();
                   1242: 			}
                   1243: 		    }
1.213     albertel 1244: 		    
1.200     albertel 1245: 		    $status.="\n".'</div>'."\n";
1.194     albertel 1246: 
                   1247: 		    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
                   1248: 			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1249: 			if ($type eq 'dimension') {
                   1250: 			    $result.=$dimension{$id}{'result'};
                   1251: 			    next;
                   1252: 			}
                   1253: 			my $criteria = 
                   1254: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   1255: 					  [@_]);
                   1256: 			$status .= &layout_web_Criteria($dim,$id,$criteria);
                   1257: 		    }
1.54      albertel 1258: 
                   1259: 		    my $internal_location=&internal_location();
                   1260: 		    $result=~s/\Q$internal_location\E/$status/;
                   1261: 		}
1.142     albertel 1262: 		$result.="\n</div>\n".
                   1263: 		    &Apache::loncommon::end_page({'discussion' => 1});
1.258     raeburn  1264: 	    } elsif ($target eq 'answer') {
                   1265:                 $result.="\n</div>\n";
                   1266:             }
1.1       albertel 1267: 	}
1.181     albertel 1268: 
                   1269: 	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                   1270: 	my %queue_data = ('type' => 'Task',
                   1271: 			  'time' => time,);
                   1272: 	if (defined($Apache::inputtags::slot_name)) {
                   1273: 	    $queue_data{'slot'} = $Apache::inputtags::slot_name;
                   1274: 	} elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
                   1275: 	    $queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
                   1276: 	}
1.258     raeburn  1277: 
1.181     albertel 1278: 
1.215     albertel 1279: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous
                   1280: 	    && $status eq 'CAN_ANSWER') {
1.12      albertel 1281: 	    my $award='SUBMITTED';
1.252     raeburn  1282:             my $uploadedflag=0;
                   1283:             my $totalsize=0;
                   1284:             my @deletions = &Apache::loncommon::get_env_multiple('form.HWFILE'.$version.'_0_bridgetask_delete');
1.28      albertel 1285: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.252     raeburn  1286: 						    \$award,\$uploadedflag,\$totalsize,\@deletions);
1.14      albertel 1287: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel 1288: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                   1289: 		$Apache::lonhomework::results{"resource.0.tries"}=
                   1290: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                   1291: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                   1292: 
                   1293: 		$Apache::lonhomework::results{"resource.0.award"}=
                   1294: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                   1295: 		    $award;
1.51      albertel 1296: 		$Apache::lonhomework::results{"resource.0.submission"}=
                   1297: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel 1298: 	    } else {
1.252     raeburn  1299:                 unless($uploadedflag) {
                   1300:                     delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
                   1301:                 }
1.77      albertel 1302: 		$award = '';
1.10      albertel 1303: 	    }
1.4       albertel 1304: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                   1305: 	    &Apache::structuretags::finalize_storage();
1.148     albertel 1306: 	    if ($award eq 'SUBMITTED') {
1.181     albertel 1307: 		&add_to_queue('gradingqueue',\%queue_data);
1.14      albertel 1308: 	    }
1.1       albertel 1309: 	}
1.163     albertel 1310: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1311: 	    && exists($env{'form.cancel'})) {
                   1312: 	    &check_queue_unlock($env{'form.queue'});
                   1313: 	    &Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
                   1314: 	} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1315: 		 && !exists($env{'form.cancel'})) {
1.20      albertel 1316: 	    my $optional_required=
                   1317: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                   1318: 					   $safeeval);
                   1319: 	    my $optional_passed=0;
                   1320: 	    my $mandatory_failed=0;
                   1321: 	    my $ungraded=0;
                   1322: 	    my $review=0;   
1.21      albertel 1323: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.194     albertel 1324: 	    my $dim = $top;
                   1325: 	    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
                   1326: 		my $link=&link($id);
                   1327: 
                   1328: 		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1329: 
                   1330: 		if ($type eq 'criteria') {
                   1331: 		    # dimensional 'criteria' don't get assigned grades
                   1332: 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"}=$env{'form.HWVAL_'.$link};
                   1333: 		    $Apache::lonhomework::results{"resource.$version.0.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   1334: 		} 
1.20      albertel 1335: 		my $status=
1.194     albertel 1336: 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"};
                   1337: 		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   1338: 
1.20      albertel 1339: 		if ($status eq 'pass') {
                   1340: 		    if (!$mandatory) { $optional_passed++; }
                   1341: 		} elsif ($status eq 'fail') {
                   1342: 		    if ($mandatory) { $mandatory_failed++; }
1.194     albertel 1343: 		} elsif ($status eq 'review') {
                   1344: 		    $review++;
1.20      albertel 1345: 		} elsif ($status eq 'ungraded') {
                   1346: 		    $ungraded++;
1.49      albertel 1347: 		} else {
                   1348: 		    $ungraded++;
                   1349: 		}
1.20      albertel 1350: 	    }
                   1351: 	    if ($optional_passed < $optional_required) {
                   1352: 		$mandatory_failed++;
                   1353: 	    }
1.194     albertel 1354: 	    &Apache::lonxml::debug(" task results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.89      albertel 1355: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.138     albertel 1356: 		$env{'user.name'}.':'.$env{'user.domain'};
1.20      albertel 1357: 	    if ($review) {
1.89      albertel 1358: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.20      albertel 1359: 	    } elsif ($ungraded) {
1.89      albertel 1360: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.20      albertel 1361: 	    } elsif ($mandatory_failed) {
1.89      albertel 1362: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel 1363: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                   1364: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                   1365: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.185     albertel 1366: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.52      albertel 1367: 		
                   1368: 		if ($env{'form.regrade'} ne 'yes') {
                   1369: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1370: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1371: 		    &Apache::grades::version_portfiles(
                   1372: 						       \%Apache::lonhomework::results,
                   1373: 						       ["$version.0.bridgetask"],$courseid,
                   1374: 						       $symb,$udom,$uname,
                   1375: 						       ["$version.0.bridgetask"]);
                   1376: 		}
1.20      albertel 1377: 	    } else {
1.89      albertel 1378: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel 1379: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                   1380: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                   1381: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.185     albertel 1382: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.52      albertel 1383: 		if ($env{'form.regrade'} ne 'yes') {
                   1384: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1385: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1386: 		    &Apache::grades::version_portfiles(
                   1387: 						       \%Apache::lonhomework::results,
                   1388: 						       ["$version.0.bridgetask"],$courseid,
                   1389: 						       $symb,$udom,$uname,
                   1390: 						       ["$version.0.bridgetask"]);
                   1391: 		}
1.20      albertel 1392: 	    }
1.89      albertel 1393: 	    $Apache::lonhomework::results{"resource.0.status"}=
                   1394: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel 1395: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel 1396: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel 1397: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel 1398: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel 1399: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel 1400: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel 1401: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel 1402: 	    }
1.94      albertel 1403: 	    &minimize_storage();
1.256     raeburn  1404:             my ($canstore,$domain,$name,$symb,$courseid);
                   1405:             ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
                   1406: 
1.250     raeburn  1407:             if ($env{'form.gradingkey'}) {
                   1408:                 my $todo=&unescape($env{'form.gradingkey'});
                   1409:                 my ($keysymb,$uname,$udom)=&decode_queue_key($todo);
                   1410:                 if ($symb eq $keysymb) {
                   1411:                     if (($domain eq $udom) && ($name eq $uname)) {
                   1412:                         $canstore = 1;           
                   1413:                     }
                   1414:                 }
                   1415:             }
                   1416:             if ($canstore) {
                   1417: 	        &Apache::structuretags::finalize_storage();
1.256     raeburn  1418:                 my @interval = &Apache::lonnet::EXT("resource.0.interval");
1.264.8.1.2.1  (raeburn 1419::                 if ($interval[0] =~ /^\d+/ && $interval[1] eq 'resource') {
1.256     raeburn  1420:                     my $key=$courseid."\0".$symb;
                   1421:                     my %times=&Apache::lonnet::get('firstaccesstimes',
                   1422:                                                    [$key],$domain,$name);
                   1423:                     if ($times{$key}) {
                   1424:                         my $delresult.=&Apache::lonnet::del('firstaccesstimes',
                   1425:                                                             [$key],$domain,$name);
                   1426:                     }
                   1427:                 }
1.253     raeburn  1428: 	        # data stored, now handle queue
                   1429: 	        if ($review) {
                   1430: 		    if ($env{'form.queue'} eq 'reviewqueue') {
                   1431: 		        &check_queue_unlock($env{'form.queue'});
                   1432: 		        &Apache::lonxml::debug(" still needs review not changing status.");
                   1433: 		    } else {
                   1434: 		        if ($env{'form.queue'} ne 'none') {
                   1435: 			    &move_between_queues($env{'form.queue'},'reviewqueue');
                   1436: 		        } else {
                   1437: 			    &add_to_queue('reviewqueue',\%queue_data);
                   1438: 		        }
                   1439: 		    }
                   1440: 	        } elsif ($ungraded) {
                   1441: 		    if ($env{'form.queue'} eq 'reviewqueue') {
                   1442: 		        &Apache::lonxml::debug("moving back.");
                   1443: 		        &move_between_queues($env{'form.queue'},
                   1444: 					     'gradingqueue');
                   1445: 		    } elsif ($env{'form.queue'} eq 'none' ) {
                   1446: 		        &add_to_queue('gradingqueue',\%queue_data);	
                   1447: 		    } else {
                   1448: 		        &check_queue_unlock($env{'form.queue'});
                   1449: 		    }
                   1450: 	        } elsif ($mandatory_failed) {
                   1451: 		    &remove_from_queue($env{'form.queue'}); 
                   1452: 	        } else {
                   1453: 		    &remove_from_queue($env{'form.queue'});
                   1454: 	        }
1.250     raeburn  1455:             } else {
1.253     raeburn  1456:                 &check_queue_unlock($env{'form.queue'});
1.254     raeburn  1457:                 $env{'form.terminated'} = $name.':'.$domain;
1.250     raeburn  1458:             }
1.253     raeburn  1459:         }
1.184     albertel 1460: 	if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
1.240     bisitz   1461: 	    # instance generation occurred and hasn't yet been stored
1.184     albertel 1462: 	    &Apache::structuretags::finalize_storage();
                   1463: 	}
1.15      albertel 1464:     } elsif ($target eq 'webgrade') {
1.208     albertel 1465: 	if (&nest()) {
                   1466: 	    &Apache::lonxml::endredirection();
                   1467: 	    &end_delay();
                   1468: 	    $result.=$dimension{$top}{'result'};
                   1469: 	} else {
                   1470: 	    $result.=&Apache::lonxml::endredirection();
                   1471: 	}
1.194     albertel 1472: 	my $dim = $top;
                   1473: 	foreach my $id (@{$dimension{$dim}{'criterias'}} ) {
                   1474: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1475: 	    if ($type eq 'dimension') {
                   1476: 		# dimensional 'criteria' don't get assigned grades
                   1477: 		next;
                   1478: 	    } else {
                   1479: 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   1480: 					     [@_]);
                   1481: 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
                   1482: 		my $internal_location=&internal_location($id);
1.209     albertel 1483: 		if ($result =~ m/\Q$internal_location\E/) {
                   1484: 		    $result=~s/\Q$internal_location\E/$criteria/;
                   1485: 		} else {
                   1486: 		    $result.=$criteria;
                   1487: 		}
                   1488: 
1.194     albertel 1489: 	    }
                   1490: 	}
                   1491:         $result.="</div>";
1.20      albertel 1492: 	#$result.='<input type="submit" name="next" value="'.
                   1493: 	#    &mt('Save &amp; Next').'" /> ';
                   1494: 	#$result.='<input type="submit" name="end" value="'.
                   1495: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1496: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1497: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1498: 	#$result.='<input type="submit" name="save" value="'.
                   1499: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel 1500: 	$result.='</form>'."\n</div>\n</div>\n".
1.140     albertel 1501: 	    &Apache::loncommon::end_page();
1.1       albertel 1502:     } elsif ($target eq 'meta') {
1.70      albertel 1503: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1504:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1505: 						      'Problem Status');
                   1506: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1507: 						      'Number of Attempts');
                   1508: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1509: 						      'Partial Credit Factor');
                   1510: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1511: 						      'Bridge Task Status');
1.182     albertel 1512:     } elsif ($target eq 'edit') {
1.227     albertel 1513: 	$result.= &Apache::structuretags::problem_edit_footer();
1.1       albertel 1514:     }
1.179     albertel 1515:     &Apache::structuretags::reset_problem_globals('Task');
1.4       albertel 1516:     undef($Apache::lonhomework::parsing_a_task);
1.250     raeburn  1517:     if ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                   1518:           $target eq 'webgrade') {
                   1519:         delete($env{'form.grade_symb'});
                   1520:         delete($env{'form.grade_domain'});
                   1521:         delete($env{'form.grade_username'});
                   1522:         delete($env{'form.grade_courseid'});
                   1523:     }
1.1       albertel 1524:     return $result;
                   1525: }
                   1526: 
1.31      albertel 1527: sub move_between_queues {
                   1528:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1529:     my $cur_data;
                   1530:     if ($src_queue ne 'none') {
                   1531: 	$cur_data=&get_queue_data($src_queue);
                   1532: 	if (!$cur_data) { return 'not_exist'; }
                   1533:     } else {
                   1534: 	$cur_data = ['none'];
                   1535:     }
1.148     albertel 1536:     my $result=&add_to_queue($dest_queue,$cur_data);
1.31      albertel 1537:     if ($result ne 'ok') {
                   1538: 	return $result;
                   1539:     }
                   1540:     &check_queue_unlock($src_queue);
                   1541:     return &remove_from_queue($src_queue);
1.21      albertel 1542: }
                   1543: 
                   1544: sub check_queue_unlock {
1.32      albertel 1545:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1546:     if ($queue eq 'none') { return 'ok'; }
1.185     albertel 1547:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.32      albertel 1548:     if (!defined($key)) {
1.138     albertel 1549: 	$key="$symb\0queue\0$uname:$udom";
1.32      albertel 1550:     }
1.30      albertel 1551:     my $cnum=$env{'course.'.$cid.'.num'};
                   1552:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1553:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.30      albertel 1554:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1555:     if  ($who eq $me) {
1.163     albertel 1556: 	&Apache::lonxml::debug("unlocking my own $who");
1.32      albertel 1557: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1558:     } elsif ($allow_not_me) {
1.33      albertel 1559: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1560: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1561:     }
1.32      albertel 1562:     return 'not_owner';
1.21      albertel 1563: }
                   1564: 
1.88      albertel 1565: sub in_queue {
                   1566:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1567:     if ($queue eq 'none') { return 0; }
                   1568:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1569: 	|| !defined($udom) || !defined($uname)) {
1.185     albertel 1570: 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.88      albertel 1571: 	$cnum=$env{'course.'.$cid.'.num'};
                   1572: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1573:     }
                   1574: 
                   1575:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1576:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1577: 
                   1578:     if (defined($results{$key})) {
                   1579: 	return 1;
                   1580:     }
                   1581:     return 0;
                   1582: }
                   1583: 
1.21      albertel 1584: sub remove_from_queue {
1.86      albertel 1585:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1586:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1587:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1588: 	|| !defined($udom) || !defined($uname)) {
1.185     albertel 1589: 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.86      albertel 1590: 	$cnum=$env{'course.'.$cid.'.num'};
                   1591: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1592:     }
1.88      albertel 1593:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1594: 	return 'ok';
                   1595:     }
1.86      albertel 1596:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1597:     my @keys=($key,"$key\0locked");
1.31      albertel 1598:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1599: }
                   1600: 
1.16      albertel 1601: sub setup_env_for_other_user {
                   1602:     my ($queue_key,$safeeval)=@_;
                   1603:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1604:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1605:     $env{'form.grade_symb'}=$symb;
                   1606:     $env{'form.grade_domain'}=$udom;
                   1607:     $env{'form.grade_username'}=$uname;
                   1608:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1609:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1610: }
                   1611: 
1.31      albertel 1612: sub get_queue_data {
1.165     albertel 1613:     my ($queue,$udom,$uname)=@_;
1.185     albertel 1614:     my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonnet::whichuser();
1.165     albertel 1615:     if (!$uname || !$udom) {
                   1616: 	$uname=$other_uname;
                   1617: 	$udom =$other_udom;
                   1618:     }
1.31      albertel 1619:     my $cnum=$env{'course.'.$cid.'.num'};
                   1620:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1621:     my $todo="$symb\0queue\0$uname:$udom";
1.31      albertel 1622:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1623:     if ($key eq $todo && ref($value)) {
                   1624: 	return $value;
                   1625:     }
                   1626:     return undef;
                   1627: }
                   1628: 
1.84      albertel 1629: 
1.49      albertel 1630: sub check_queue_for_key {
1.84      albertel 1631:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1632: 
1.49      albertel 1633:     my %results=
                   1634: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1635:     
                   1636:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1637: 	if (defined($results{"$todo\0locked"})) {
                   1638: 	    return 'locked';
                   1639: 	}
1.148     albertel 1640: 	if (my $slot=&slotted_access($results{$todo})) {
1.86      albertel 1641: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1642: 	    if ($slot_data{'endtime'} > time) { 
                   1643: 		return 'in_progress';
                   1644: 	    }
1.148     albertel 1645: 	} else {
                   1646: 	    my ($symb) = &decode_queue_key($todo);
                   1647: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1648: 	    if ($due_date > time) {
                   1649: 		return 'in_progress';
                   1650: 	    }
1.58      albertel 1651: 	}
1.49      albertel 1652: 	return 'enqueued';
                   1653:     }
                   1654:     return undef;
                   1655: }
                   1656: 
1.14      albertel 1657: sub add_to_queue {
1.82      albertel 1658:     my ($queue,$user_data)=@_;
1.49      albertel 1659:     if ($queue eq 'none') { return 'ok'; }
1.185     albertel 1660:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.82      albertel 1661:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1662: 	return 'no_queue';
                   1663:     }
1.14      albertel 1664:     my $cnum=$env{'course.'.$cid.'.num'};
                   1665:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1666:     my %data;
1.138     albertel 1667:     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
1.83      albertel 1668:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1669: }
                   1670: 
1.156     albertel 1671: sub get_limited_classlist {
                   1672:     my ($sections) = @_;
                   1673: 
                   1674:     my $classlist = &Apache::loncoursedata::get_classlist();
1.157     albertel 1675:     foreach my $student (keys(%$classlist)) {
                   1676: 	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
                   1677: 	     ne 'Active') {
                   1678: 	    delete($classlist->{$student});
                   1679:        	}
                   1680:     }
1.156     albertel 1681: 
1.237     albertel 1682:     if (ref($sections) && !grep {$_ eq 'all'} (@{ $sections })) {
1.156     albertel 1683: 	foreach my $student (keys(%$classlist)) {
                   1684: 	    my $section  = 
                   1685: 		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
1.237     albertel 1686: 	    if (! grep {$_ eq $section} (@{ $sections })) {
1.156     albertel 1687: 		delete($classlist->{$student});
                   1688: 	    }
                   1689: 	}
                   1690:     }
                   1691:     return $classlist;
                   1692: }
                   1693: 
                   1694: 
1.14      albertel 1695: sub show_queue {
1.32      albertel 1696:     my ($queue,$with_selects)=@_;
1.14      albertel 1697:     my $result;
1.185     albertel 1698:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.14      albertel 1699:     my $cnum=$env{'course.'.$cid.'.num'};
                   1700:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1701: 
1.237     albertel 1702:     my @chosen_sections = &get_allowed_sections();
1.156     albertel 1703: 
                   1704:     my $classlist = &get_limited_classlist(\@chosen_sections);
                   1705: 
1.63      albertel 1706:     if (!(grep(/^all$/,@chosen_sections))) {
1.239     bisitz   1707: 	$result.='<p>'
                   1708:                 .&mt('Showing only sections [_1].'
                   1709:                     ,'<tt>'.join(', ',@chosen_sections).'</tt>')
                   1710:                 ."</p>\n";
1.63      albertel 1711:     }
1.59      albertel 1712: 
1.156     albertel 1713:     my ($view,$view_section);
                   1714:     my $scope = $env{'request.course.id'};
                   1715:     if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
                   1716: 	$scope .= '/'.$env{'request.course.sec'};
                   1717: 	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
                   1718: 	    $view_section=$env{'request.course.sec'};
                   1719: 	} else {
                   1720: 	    undef($view);
                   1721: 	}
                   1722:     }
                   1723: 
1.234     albertel 1724:     $result .= 
                   1725: 	'<p><a href="/adm/flip?postdata=return:">'.
                   1726: 	&mt('Return to resource').'</a></p><hr />'.
1.239     bisitz   1727: 	"\n<h3>".&mt('Current Queue - [_1]',$queue)."</h3>";
1.16      albertel 1728:     my $regexp="^$symb\0";
1.30      albertel 1729:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1730:     my ($tmp)=%queue;
                   1731:     if ($tmp=~/^error: 2 /) {
1.234     albertel 1732: 	$result.=
1.159     albertel 1733: 	    &Apache::loncommon::start_data_table().
                   1734: 	    &Apache::loncommon::start_data_table_row().
                   1735: 	    '<td>'.&mt('Empty').'</td>'.
                   1736: 	    &Apache::loncommon::end_data_table_row().
                   1737: 	    &Apache::loncommon::end_data_table();
1.234     albertel 1738: 	return $result;
1.31      albertel 1739:     }
1.103     albertel 1740:     my $title=&Apache::lonnet::gettitle($symb);
1.234     albertel 1741:     $result.=
1.159     albertel 1742: 	&Apache::loncommon::start_data_table().
                   1743: 	&Apache::loncommon::start_data_table_header_row();
1.239     bisitz   1744:     if ($with_selects) { $result.='<th>'.&mt('Status').'</th><th></th>'; }
                   1745:     $result.='<th>'.&mt('User').'</th><th>'.&mt('Data').'</th>'.
1.159     albertel 1746: 	&Apache::loncommon::end_data_table_header_row();
1.14      albertel 1747:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1748: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
1.235     albertel 1749: 	next if (!defined($classlist->{$uname.':'.$udom}));
1.237     albertel 1750: 	next if (!&allow_grade_user($classlist->{$uname.':'.$udom}));
1.156     albertel 1751: 	
                   1752: 	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
                   1753: 
                   1754: 	my $can_view=1;
                   1755: 	if (!$view
                   1756: 	    || ($view_section && !$section)
                   1757: 	    || ($view_section && $section && ($view_section ne $section))) {
                   1758: 	    $can_view=0;
                   1759: 	}
                   1760: 
1.32      albertel 1761: 	if ($key=~/locked$/ && !$with_selects) {
1.159     albertel 1762: 	    $result.= &Apache::loncommon::start_data_table_row().
                   1763: 		"<td>$uname</td>";
1.103     albertel 1764: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1765: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.159     albertel 1766: 	    $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
1.103     albertel 1767: 	    $result.='<td>'.
1.16      albertel 1768: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1769: 	} elsif ($key!~/(timestamp|locked)$/) {
1.159     albertel 1770: 	    $result.= &Apache::loncommon::start_data_table_row();
1.148     albertel 1771: 	    my ($end_time,$slot_text);
                   1772: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1773: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1774: 		$end_time = $slot_data{'endtime'};
                   1775: 		$slot_text = &mt('Slot: [_1]',$slot);
                   1776: 	    } else {
                   1777: 		$end_time = &Apache::lonhomework::due_date('0',$symb);
                   1778: 		$slot_text = '';
                   1779: 	    }
1.32      albertel 1780: 	    if ($with_selects) {
1.158     www      1781: 		my $ekey=&escape($key);
1.103     albertel 1782: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1783: 		if (exists($queue{"$key\0locked"})) {
1.217     albertel 1784: 		    my ($locker,$time) = 
                   1785: 			&get_lock_info($queue{"$key\0locked"});
                   1786: 		    if ($time) {
1.214     albertel 1787: 			$time = 
                   1788: 			    &Apache::lonnavmaps::timeToHumanString($time,
                   1789: 								   'start');
                   1790: 		    }
1.138     albertel 1791: 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.239     bisitz   1792: 		    $status=&mt('Locked by [_1] [_2]','<tt>'.$locker.'</tt>',$time);
1.217     albertel 1793: 		    if ($me eq $locker) {
1.32      albertel 1794: 			($action,$description)=('resume',&mt('Resume'));
                   1795: 		    } else {
                   1796: 			($action,$description)=('unlock',&mt('Unlock'));
                   1797: 		    }
                   1798: 		}
1.62      albertel 1799: 		my $seclist;
                   1800: 		foreach my $sec (@chosen_sections) {
                   1801: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1802:                                value="'.$sec.'" />';
                   1803: 		}
1.156     albertel 1804: 		if ($can_view && ($end_time ne '' && time > $end_time)) {
1.35      albertel 1805: 		    $result.=(<<FORM);
1.103     albertel 1806: <td>$status</td>
1.32      albertel 1807: <td>
1.262     bisitz   1808: <form style="display: inline" method="post" action="">
1.32      albertel 1809:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1810:  <input type="hidden" name="queue" value="$queue" />
                   1811:  <input type="hidden" name="gradingaction" value="$action" />
                   1812:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1813:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1814:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1815:  $seclist
1.32      albertel 1816: </form>
                   1817: </td>
                   1818: FORM
1.156     albertel 1819:                 } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
                   1820: 		    $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
1.35      albertel 1821:                 } else {
1.148     albertel 1822: 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
1.35      albertel 1823: 		}
1.32      albertel 1824: 	    }
1.156     albertel 1825: 	    $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
1.138     albertel 1826: 		" <tt>($uname:$udom)</tt> </td>";
1.239     bisitz   1827:             $result.='<td>'.$slot_text.' '
                   1828:                     .&mt('End time: [_1]'
                   1829:                         ,&Apache::lonlocal::locallocaltime($end_time))
                   1830:                     .'</td>'
                   1831:                     .&Apache::loncommon::end_data_table_row();
1.16      albertel 1832: 	}
1.14      albertel 1833:     }
1.159     albertel 1834:     $result.= &Apache::loncommon::end_data_table()."<hr />\n";
1.14      albertel 1835:     return $result;
                   1836: }
                   1837: 
1.237     albertel 1838: sub get_allowed_sections {
                   1839:     my @chosen_sections;
                   1840:     if (&section_restricted()) {
                   1841: 	@chosen_sections = ($env{'request.course.sec'});
                   1842:     } else {
                   1843: 	@chosen_sections =
                   1844: 	    &Apache::loncommon::get_env_multiple('form.chosensections');
                   1845:     }
                   1846: 
                   1847:     return @chosen_sections;
                   1848: }
                   1849: 
1.235     albertel 1850: sub section_restricted {
1.237     albertel 1851:     my $cid =(&Apache::lonnet::whichuser())[1];
                   1852:     return (lc($env{'course.'.$cid.'.task_grading'}) eq 'section'
                   1853: 	    && $env{'request.course.sec'} ne '' );
                   1854: }
                   1855: 
                   1856: sub allow_grade_user {
1.235     albertel 1857:     my ($classlist_entry) = @_;
1.237     albertel 1858: 
                   1859:     if (&section_restricted()
1.235     albertel 1860: 	&& $env{'request.course.sec'} ne
                   1861: 	      $classlist_entry->[&Apache::loncoursedata::CL_SECTION()]) {
1.237     albertel 1862: 	return 0;
1.235     albertel 1863:     }
1.237     albertel 1864:     return 1;
1.235     albertel 1865: }
                   1866: 
1.34      albertel 1867: sub get_queue_counts {
                   1868:     my ($queue)=@_;
                   1869:     my $result;
1.185     albertel 1870:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.34      albertel 1871:     my $cnum=$env{'course.'.$cid.'.num'};
                   1872:     my $cdom=$env{'course.'.$cid.'.domain'};
1.156     albertel 1873: 
1.157     albertel 1874:     my $classlist=&get_limited_classlist();
1.156     albertel 1875: 
1.34      albertel 1876:     my $regexp="^$symb\0";
                   1877:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1878:     my ($tmp)=%queue;
                   1879:     if ($tmp=~/^error: 2 /) {
                   1880: 	return (0,0,0);
                   1881:     }
1.235     albertel 1882: 
1.34      albertel 1883:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1884:     my %slot_cache;
1.34      albertel 1885:     foreach my $key (sort(keys(%queue))) {
1.156     albertel 1886: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
1.235     albertel 1887: 	next if (!defined($classlist->{$uname.':'.$udom}));
1.237     albertel 1888: 	next if (!&allow_grade_user($classlist->{$uname.':'.$udom}));
1.235     albertel 1889: 
1.34      albertel 1890: 	if ($key=~/locked$/) {
                   1891: 	    $locks++;
                   1892: 	} elsif ($key=~/timestamp$/) {
                   1893: 	    #ignore
                   1894: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1895: 	    $entries++;
1.148     albertel 1896: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1897: 		if (!exists($slot_cache{$slot})) {
                   1898: 		    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1899: 		    $slot_cache{$slot} = \%slot_data;
                   1900: 		}
                   1901: 		if (time > $slot_cache{$slot}{'endtime'}) {
                   1902: 		    $ready_to_grade++;
                   1903: 		}
                   1904: 	    } else {
                   1905: 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1906: 		if ($due_date ne '' && time > $due_date) {
                   1907: 		    $ready_to_grade++;
                   1908: 		}
1.34      albertel 1909: 	    }
                   1910: 	}
                   1911:     }
                   1912:     return ($entries,$ready_to_grade,$locks);
                   1913: }
                   1914: 
1.49      albertel 1915: sub encode_queue_key {
                   1916:     my ($symb,$udom,$uname)=@_;
1.138     albertel 1917:     return "$symb\0queue\0$uname:$udom";
1.49      albertel 1918: }
                   1919: 
1.14      albertel 1920: sub decode_queue_key {
                   1921:     my ($key)=@_;
                   1922:     my ($symb,undef,$user) = split("\0",$key);
1.138     albertel 1923:     my ($uname,$udom) = split(':',$user);
1.14      albertel 1924:     return ($symb,$uname,$udom);
                   1925: }
                   1926: 
                   1927: sub queue_key_locked {
1.30      albertel 1928:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1929:     if (!defined($cdom) || !defined($cnum)) {
1.185     albertel 1930: 	my (undef,$cid)=&Apache::lonnet::whichuser();
1.33      albertel 1931: 	$cnum=$env{'course.'.$cid.'.num'};
                   1932: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1933:     }
1.14      albertel 1934:     my ($key_locked,$value)=
1.30      albertel 1935: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1936:     if ($key_locked eq "$key\0locked") {
1.217     albertel 1937: 	return &get_lock_info($value);
1.14      albertel 1938:     }
                   1939:     return undef;
                   1940: }
                   1941: 
1.148     albertel 1942: sub slotted_access {
                   1943:     my ($queue_entry) = @_;
                   1944:     if (ref($queue_entry) eq 'ARRAY') {
                   1945: 	if (defined($queue_entry->[0])) {
                   1946: 	    return $queue_entry->[0];
                   1947: 	}
                   1948: 	return undef;
                   1949:     } elsif (ref($queue_entry) eq 'HASH') {
                   1950: 	if (defined($queue_entry->{'slot'})) {
                   1951: 	    return $queue_entry->{'slot'};
                   1952: 	}
                   1953: 	return undef;
                   1954:     }
                   1955:     return undef;
                   1956: }
                   1957: 
1.14      albertel 1958: sub pick_from_queue_data {
1.156     albertel 1959:     my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
1.98      albertel 1960:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1961:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1962: 	if ($key =~ /\0locked$/) { next; }
                   1963: 	if ($key =~ /\0timestamp$/) { next; }
1.156     albertel 1964: 
1.14      albertel 1965: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
1.235     albertel 1966: 	next if (!defined($classlist->{$uname.':'.$udom}));
1.237     albertel 1967: 	next if (!&allow_grade_user($classlist->{$uname.':'.$udom}));
1.156     albertel 1968: 
1.14      albertel 1969: 	if ($check_section) {
1.156     albertel 1970: 	    my $section =
                   1971: 		$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
1.17      albertel 1972: 	    if ($section eq $check_section) {
1.33      albertel 1973: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1974: 		next;
                   1975: 	    }
1.14      albertel 1976: 	}
1.148     albertel 1977: 	my $end_time;
                   1978: 	if (my $slot=&slotted_access($queuedata->{$key})) {
1.154     albertel 1979: 	    &Apache::lonxml::debug("looking at slot $slot");
1.148     albertel 1980: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1981: 	    if ($slot_data{'endtime'} < time) { 
                   1982: 		$end_time = $slot_data{'endtime'};
1.154     albertel 1983: 	    } else {
                   1984: 		&Apache::lonxml::debug("not time ".$slot_data{'endtime'});
                   1985: 		next;
1.148     albertel 1986: 	    }
                   1987: 	} else {
                   1988: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
1.154     albertel 1989: 	    if ($due_date < time) {
1.148     albertel 1990: 		$end_time = $due_date;
1.154     albertel 1991: 	    } else {
                   1992: 		&Apache::lonxml::debug("not time $due_date");
                   1993: 		next;
1.148     albertel 1994: 	    }
                   1995: 	}
                   1996: 	
1.98      albertel 1997: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1998: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1999: 	    next;
                   2000: 	}
1.148     albertel 2001: 	push(@possible,[$key,$end_time]);
1.98      albertel 2002:     }
                   2003:     if (@possible) {
                   2004:         # sort entries in order by slot end time
                   2005: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
1.137     albertel 2006: 	# pick one of the entries in the top 10% in small queues and one
                   2007: 	# of the first ten entries in large queues
1.139     albertel 2008: 	#my $ten_percent = int($#possible * 0.1);
                   2009: 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
                   2010: 	#if ($ten_percent > 10) { $ten_percent = 10; }
                   2011: 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
1.137     albertel 2012: 	
1.139     albertel 2013: 	#return $possible[int(rand($max))][0];
                   2014: 	return $possible[0][0];
1.14      albertel 2015:     }
                   2016:     return undef;
                   2017: }
                   2018: 
1.217     albertel 2019: sub get_lock_info {
                   2020:     my ($lock_info) = @_;
                   2021:     if (wantarray) {
                   2022: 	if (ref($lock_info) eq 'ARRAY') {
                   2023: 	    return @{$lock_info};
                   2024: 	} else {
                   2025: 	    return ($lock_info);
                   2026: 	}
                   2027:     } else {
                   2028: 	if (ref($lock_info) eq 'ARRAY') {
                   2029: 	    return $lock_info->[0];
                   2030: 	} else {
                   2031: 	    return $lock_info;
                   2032: 	}
                   2033:     }
                   2034:     return;
                   2035: }
                   2036: 
1.15      albertel 2037: sub find_mid_grade {
1.30      albertel 2038:     my ($queue,$symb,$cdom,$cnum)=@_;
1.158     www      2039:     my $todo=&unescape($env{'form.gradingkey'});
1.138     albertel 2040:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.15      albertel 2041:     if ($todo) {
1.30      albertel 2042: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 2043: 	if ($who eq $me) { return $todo; }
                   2044:     }
                   2045:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 2046:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 2047:     foreach my $key (keys(%locks)) {
1.217     albertel 2048: 	my $who= &get_lock_info($locks{$key});
1.15      albertel 2049: 	if ($who eq $me) {
                   2050: 	    $todo=$key;
                   2051: 	    $todo=~s/\0locked$//;
                   2052: 	    return $todo;
                   2053: 	}
                   2054:     }
                   2055:     return undef;
                   2056: }
                   2057: 
1.32      albertel 2058: sub lock_key {
                   2059:     my ($queue,$todo)=@_;
1.138     albertel 2060:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.185     albertel 2061:     my (undef,$cid)=&Apache::lonnet::whichuser();
1.32      albertel 2062:     my $cnum=$env{'course.'.$cid.'.num'};
                   2063:     my $cdom=$env{'course.'.$cid.'.domain'};
1.214     albertel 2064:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> [$me,time]},
1.32      albertel 2065: 					$cdom,$cnum);
1.33      albertel 2066:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 2067:     if ($success eq 'ok') {
                   2068: 	return 1;
                   2069:     }
                   2070:     return 0;
                   2071: }
                   2072: 
1.86      albertel 2073: sub get_queue_symb_status {
1.85      albertel 2074:     my ($queue,$symb,$cdom,$cnum) = @_;
                   2075:     if (!defined($cdom) || !defined($cnum)) {
1.235     albertel 2076: 	my (undef,$cid) =&Apache::lonnet::whichuser();
1.85      albertel 2077: 	$cnum=$env{'course.'.$cid.'.num'};
                   2078: 	$cdom=$env{'course.'.$cid.'.domain'};
                   2079:     }
1.157     albertel 2080:     my $classlist=&get_limited_classlist();
1.156     albertel 2081: 
1.85      albertel 2082:     my $regexp="^$symb\0";
                   2083:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   2084:     my ($tmp)=%queue;
                   2085:     if ($tmp=~/^error: 2 /) { return; }
                   2086:     my @users;
                   2087:     foreach my $key (sort(keys(%queue))) {
                   2088: 	next if ($key=~/locked$/);
                   2089: 	next if ($key=~/timestamp$/);
                   2090: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
1.156     albertel 2091: 	next if (!defined($classlist->{$uname.':'.$udom}));
1.237     albertel 2092: 	next if (!&allow_grade_user($classlist->{$uname.':'.$udom}));
1.85      albertel 2093: 	push(@users,"$uname:$udom");
                   2094:     }
                   2095:     return @users;
                   2096: }
                   2097: 
1.14      albertel 2098: sub get_from_queue {
1.30      albertel 2099:     my ($queue)=@_;
1.14      albertel 2100:     my $result;
1.185     albertel 2101:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.14      albertel 2102:     my $cnum=$env{'course.'.$cid.'.num'};
                   2103:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 2104:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 2105:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 2106:     if ($todo) { return $todo; }
1.95      albertel 2107:     my $attempts=0;
1.156     albertel 2108: 
1.157     albertel 2109:     my $classlist=&get_limited_classlist();
1.156     albertel 2110: 
1.14      albertel 2111:     while (1) {
1.95      albertel 2112: 	if ($attempts > 2) {
                   2113: 	    # tried twice to get a queue entry, giving up
                   2114: 	    return (undef,'unable');
                   2115: 	}
1.14      albertel 2116: 	my $starttime=time;
1.83      albertel 2117: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   2118: 			      $cdom,$cnum);
1.33      albertel 2119: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 2120: 	my $regexp="^$symb\0queue\0";
1.156     albertel 2121: 	#my $range= ($attempts < 1 ) ? '0-100' : '0-400';
1.97      albertel 2122: 
1.98      albertel 2123: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 2124: 	#make a pass looking for a user _not_ in my section
1.14      albertel 2125: 	if ($env{'request.course.sec'}) {
1.33      albertel 2126: 	    &Apache::lonxml::debug("sce");
1.30      albertel 2127: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1.156     albertel 2128: 					\%queue,$cdom,$cnum,$classlist);
1.33      albertel 2129: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 2130: 	}
1.33      albertel 2131: 	# no one _not_ in our section so look for any user that is
                   2132: 	# ready for grading
1.14      albertel 2133: 	if (!$todo) {
1.33      albertel 2134: 	    &Apache::lonxml::debug("no sce");
1.156     albertel 2135: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
                   2136: 					$classlist);
1.33      albertel 2137: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 2138: 	}
                   2139: 	# no user to grade 
                   2140: 	if (!$todo) { last; }
1.33      albertel 2141: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 2142: 	# otherwise found someone so lets try to lock them
1.32      albertel 2143: 	# unless someone else already picked them
1.95      albertel 2144: 	if (!&lock_key($queue,$todo)) {
                   2145: 	    $attempts++;
                   2146: 	    next;
                   2147: 	}
1.14      albertel 2148: 	my (undef,$endtime)=
1.30      albertel 2149: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 2150: 				 $cdom,$cnum);
1.33      albertel 2151: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 2152: 	# someone else already modified the queue, 
                   2153: 	# perhaps our picked user wass already fully graded between
                   2154: 	# when we picked him and when we locked his record? so lets
                   2155: 	# double check.
                   2156: 	if ($endtime != $starttime) {
                   2157: 	    my ($key,$value)=
1.30      albertel 2158: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 2159: 				     $cdom,$cnum);
1.33      albertel 2160: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 2161: 	    if ($key eq $todo && ref($value)) {
                   2162: 	    } else {
1.30      albertel 2163: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 2164: 				     $cdom,$cnum);
1.33      albertel 2165: 		&Apache::lonxml::debug("del");
1.95      albertel 2166: 		$attempts++;
1.14      albertel 2167: 		next;
                   2168: 	    }
                   2169: 	}
1.33      albertel 2170: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 2171: 	last;
                   2172:     }
                   2173:     return $todo;
                   2174: }
                   2175: 
1.49      albertel 2176: sub select_user {
1.185     albertel 2177:     my ($symb,$cid)=&Apache::lonnet::whichuser();
1.49      albertel 2178: 
1.237     albertel 2179:     my @chosen_sections = &get_allowed_sections();
1.156     albertel 2180:     my $classlist = &get_limited_classlist(\@chosen_sections);
1.63      albertel 2181:     
                   2182:     my $result;
                   2183:     if (!(grep(/^all$/,@chosen_sections))) {
1.239     bisitz   2184:         $result.='<p>'
                   2185:                 .&mt('Showing only sections [_1].'
                   2186:                     ,'<tt>'.join(', ',@chosen_sections).'</tt>')
                   2187:                 .'</p> '."\n";
1.63      albertel 2188:     }
1.159     albertel 2189:     $result.=&Apache::loncommon::start_data_table();
1.49      albertel 2190: 
1.156     albertel 2191:     foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
1.49      albertel 2192: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 2193: 	
1.84      albertel 2194: 	my $cnum=$env{'course.'.$cid.'.num'};
                   2195: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 2196: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   2197: 					 'Task');
1.49      albertel 2198: 	my $queue = 'none';
1.58      albertel 2199: 	my $cannot_grade;
                   2200: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 2201: 	    $queue = 'reviewqueue';
1.58      albertel 2202: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   2203: 		$cannot_grade=1;
                   2204: 	    }
                   2205: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 2206: 	    $queue = 'gradingqueue';
1.58      albertel 2207: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   2208: 		$cannot_grade=1;
                   2209: 	    }
1.49      albertel 2210: 	}
                   2211: 	my $todo = 
1.158     www      2212: 	    &escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 2213: 	if ($cannot_grade) {
1.159     albertel 2214: 	    $result.=&Apache::loncommon::start_data_table_row().
                   2215: 		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
1.58      albertel 2216: 		'</td><td>';
                   2217: 	} else {
1.62      albertel 2218: 	    my $seclist;
                   2219: 	    foreach my $sec (@chosen_sections) {
                   2220: 		$seclist.='<input type="hidden" name="chosensections" 
                   2221:                                value="'.$sec.'" />';
                   2222: 	    }
1.242     bisitz   2223:             my $buttontext=&mt('Regrade');
1.159     albertel 2224: 	    $result.=&Apache::loncommon::start_data_table_row();
1.58      albertel 2225: 	    $result.=<<RESULT;
1.49      albertel 2226:   <td>
1.262     bisitz   2227:     <form style="display: inline" method="post" action="">
1.49      albertel 2228:       <input type="hidden" name="gradingkey" value="$todo" />
                   2229:       <input type="hidden" name="queue" value="$queue" />
                   2230:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 2231:       <input type="hidden" name="regrade" value="yes" />
1.242     bisitz   2232:       <input type="submit" name="submit" value="$buttontext" />
1.62      albertel 2233:       $seclist
1.49      albertel 2234:     </form>
1.237     albertel 2235:   <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt> Sec: $classlist->{$student}[&Apache::loncoursedata::CL_SECTION()]</td>
1.49      albertel 2236:   <td>
                   2237: RESULT
1.58      albertel 2238:         }
1.49      albertel 2239:         if ($status{'status'} eq 'pass') {
                   2240: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   2241: 	} elsif ($status{'status'} eq 'fail') {
                   2242: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   2243: 	} elsif ($status{'status'} eq 'review') {
                   2244: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   2245: 	} elsif ($status{'status'} eq 'ungraded') {
                   2246: 	    $result .= &mt('Ungraded');
                   2247: 	} elsif ($status{'status'} ne '') {
                   2248: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   2249: 	} else {
                   2250: 	    $result.="&nbsp;";
                   2251: 	}
                   2252: 	if ($status{'version'}) {
                   2253: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   2254: 	}
1.101     albertel 2255: 	if ($status{'grader'}) {
                   2256: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   2257: 	}
1.49      albertel 2258: 	$result.= '</td><td>';
                   2259: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   2260: 	    $result .= &mt('Awaiting Review');
                   2261: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   2262: 	    $result .= &mt('Under Review');
1.58      albertel 2263: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   2264: 	    $result .= &mt('Still being worked on.');
1.49      albertel 2265: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   2266: 	    $result .= &mt('Awaiting Grading');
                   2267: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   2268: 	    $result .= &mt('Being Graded');
1.58      albertel 2269: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   2270: 	    $result .= &mt('Still being worked on.');
1.49      albertel 2271: 	} else {
                   2272: 	    $result.="&nbsp;";
                   2273: 	}
1.159     albertel 2274: 	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
1.49      albertel 2275:     }
1.159     albertel 2276:     $result.=&Apache::loncommon::end_data_table();
1.49      albertel 2277:     return $result;
                   2278: }
                   2279: 
                   2280: sub get_student_status {
1.86      albertel 2281:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   2282: 
                   2283:     my %status;
                   2284: 
                   2285:     if ($type eq 'Task') {
                   2286: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 2287: 					  $udom,$uname);
1.89      albertel 2288: 	$status{'status'}=$record{'resource.0.status'};
                   2289: 	$status{'version'}=$record{'resource.0.version'};
                   2290: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 2291:     }
                   2292:     $status{'reviewqueue'}=
                   2293: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   2294: 			     &encode_queue_key($symb,$udom,$uname));
                   2295:     $status{'gradingqueue'}=
                   2296: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   2297: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 2298:     return %status;
                   2299: }
                   2300: 
1.1       albertel 2301: sub start_ClosingParagraph {
                   2302:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2303:     my $result;
                   2304:     if ($target eq 'web') {
1.13      albertel 2305:     } elsif ($target eq 'webgrade') {
                   2306: 	&Apache::lonxml::startredirection();
1.225     albertel 2307:     } elsif ($target eq 'edit') {
                   2308: 	$result = &Apache::edit::tag_start($target,$token);
                   2309:     } elsif ($target eq 'modified') {
1.1       albertel 2310:     }
                   2311:     return $result;
                   2312: }
                   2313: 
                   2314: sub end_ClosingParagraph {
                   2315:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2316:     my $result;
                   2317:     if ($target eq 'web') {
1.13      albertel 2318:     } elsif ($target eq 'webgrade') {
                   2319: 	&Apache::lonxml::endredirection();
1.1       albertel 2320:     }
                   2321:     return $result;
                   2322: }
                   2323: 
1.227     albertel 2324: sub insert_ClosingParagraph {
                   2325:     return '
                   2326: <ClosingParagraph>
                   2327:     <startouttext />
                   2328:     <endouttext />
                   2329: </ClosingParagraph>';
                   2330: }
                   2331: 
1.168     albertel 2332: sub get_dim_id {
1.194     albertel 2333:     if (@Apache::bridgetask::dimension) {
                   2334: 	return $Apache::bridgetask::dimension[-1];
                   2335:     } else {
                   2336: 	return $top;
                   2337:     }
1.168     albertel 2338: }
                   2339: 
1.19      albertel 2340: sub get_id {
                   2341:     my ($parstack,$safeeval)=@_;
1.236     albertel 2342:     return &Apache::lonxml::get_id($parstack,$safeeval);
1.19      albertel 2343: }
                   2344: 
1.162     albertel 2345: sub start_Setup {
                   2346:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.225     albertel 2347:     my $result;
1.168     albertel 2348:     my $dim = &get_id($parstack,$safeeval);
                   2349:     push(@Apache::bridgetask::dimension,$dim);
1.225     albertel 2350:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
                   2351: 	&Apache::lonxml::startredirection();
                   2352:     } elsif ($target eq 'edit') {
                   2353: 	$result = &Apache::edit::tag_start($target,$token);
                   2354: 	$result.= &Apache::edit::text_arg('Id:','id',$token,10).
                   2355: 	    &Apache::edit::end_row().
                   2356: 	    &Apache::edit::start_spanning_row();
                   2357:     } elsif ($target eq 'modified') {
                   2358: 	my $constructtag=
                   2359: 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,'id');
                   2360: 	if ($constructtag) {
                   2361: 	    $result = &Apache::edit::rebuild_tag($token);
                   2362: 	}
                   2363:     }
                   2364:     return $result;
1.162     albertel 2365: }
1.173     albertel 2366: 
                   2367: {
                   2368:     my @allowed;
                   2369:     sub enable_dimension_parsing {
                   2370: 	my ($id) = @_;
                   2371: 	push(@allowed,$id);
                   2372:     }
                   2373:     sub disable_dimension_parsing {
                   2374: 	pop(@allowed);
                   2375:     }
                   2376:     sub skip_dimension_parsing {
                   2377: 	my ($check) = @_;
                   2378: 	if (!@allowed) { return 0;}
                   2379: 	# if unspecified allow any id
                   2380: 	if ($allowed[-1] eq undef) { return 0;}
                   2381: 
                   2382: 	return ($check ne $allowed[-1]);
                   2383:     }
                   2384: }
                   2385: 
1.151     albertel 2386: sub start_Question { return &start_Dimension(@_); }
1.1       albertel 2387: sub start_Dimension {
1.173     albertel 2388:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2389:     my $dim = &get_id($parstack,$safeeval);
                   2390:     my $previous_dim;
1.225     albertel 2391:     my $result;
                   2392:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   2393: 	if (@Apache::bridgetask::dimension) {
                   2394: 	    $previous_dim = $Apache::bridgetask::dimension[-1];
                   2395: 	    push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
                   2396: 		 $dim);
                   2397: 	    if(&skip_dimension_parsing($dim)) {
                   2398: 		$dimension{$previous_dim}{'criteria.'.$dim} =
                   2399: 		    $token->[4]
                   2400: 		    .&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
                   2401: 						   $style)
                   2402: 		    .'</'.$tagstack->[-1].'>';
                   2403: 	    }
                   2404: 	    $dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
                   2405: 	    $dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
                   2406: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2407: 	    push(@{$dimension{$previous_dim}{'criterias'}},$dim);
                   2408: 	    $dimension{$dim}{'nested'}=$previous_dim;
                   2409: 	    $dimension{$dim}{'depth'} = 1 + $dimension{$previous_dim}{'depth'};
                   2410: 	    
                   2411: 	    &Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
                   2412: 	} else {
                   2413: 	    $dimension{$top}{'depth'}=0;
                   2414: 	    $dimension{$top}{'criteria.'.$dim.'.type'}='dimension';
                   2415: 	    $dimension{$top}{'criteria.'.$dim.'.mandatory'}=
                   2416: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2417: 	    push(@{$dimension{$top}{'criterias'}},$dim);
                   2418: 	    $dimension{$dim}{'nested'}=$top;
                   2419: 	}
                   2420:         push(@Apache::bridgetask::dimension,$dim);
                   2421: 	&Apache::lonxml::startredirection();
                   2422: 	if (!&skip_dimension_parsing($dim)) {
                   2423: 	    &enable_dimension_parsing($dim);
                   2424: 	}
                   2425:     } elsif ($target eq 'edit') {
                   2426:   	$result = &Apache::edit::tag_start($target,$token);
                   2427: 	$result.=  
                   2428: 	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
                   2429: 	    &Apache::edit::select_arg('Passing is Mandatory:','Mandatory',
1.233     albertel 2430: 				      [['Y', 'Yes'],
                   2431: 				       ['N','No'],],
1.225     albertel 2432: 				      $token).' <br /> '.
                   2433: 	    &Apache::edit::text_arg('Required number of passed optional elements to pass the '.$token->[1].':',
                   2434: 				    'OptionalRequired',$token,4).
                   2435: 	    &Apache::edit::end_row().
                   2436: 	    &Apache::edit::start_spanning_row();
                   2437:     } elsif ($target eq 'modified') {
                   2438: 	my $constructtag=
                   2439: 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
                   2440: 					'id','Mandatory','OptionalRequired');
                   2441: 	if ($constructtag) {
                   2442: 	    $result = &Apache::edit::rebuild_tag($token);
                   2443: 	}
1.168     albertel 2444:     }
1.225     albertel 2445:     return $result;# &internal_location($dim);
1.1       albertel 2446: }
                   2447: 
1.160     albertel 2448: sub start_QuestionText {
                   2449:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.225     albertel 2450:     my $result;
                   2451:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   2452: 	my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
1.168     albertel 2453:     my $dim = &get_dim_id();
1.169     albertel 2454: 	$dimension{$dim}{'questiontext'}=$text;
1.225     albertel 2455:     } elsif ($target eq 'edit') {
                   2456: 	$result = &Apache::edit::tag_start($target,$token);
                   2457:     } elsif ($target eq 'modified') {
1.160     albertel 2458:     }
1.225     albertel 2459:     return $result;
1.160     albertel 2460: }
                   2461: 
                   2462: sub end_QuestionText {
                   2463:     return '';
                   2464: }
                   2465: 
1.227     albertel 2466: sub insert_QuestionText {
                   2467:     return '
                   2468: <QuestionText>
                   2469:     <startouttext />
                   2470:     <endouttext />
                   2471: </QuestionText>';
                   2472: }
                   2473: 
1.13      albertel 2474: sub get_instance {
1.75      albertel 2475:     my ($dim)=@_;
                   2476:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   2477:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   2478: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   2479: 	$rand_alg eq '64bit4' ) {
                   2480: 	&Apache::response::pushrandomnumber();
1.169     albertel 2481: 	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
1.75      albertel 2482: 	my $num=@order;
                   2483: 	my $version=&get_version();
                   2484: 	my $which=($version-1)%$num;
                   2485: 	return $order[$which];
                   2486:     } else {
                   2487: 	my ($version,$previous) = &get_version();
                   2488: 	my $instance = 
                   2489: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   2490: 	if (defined($instance)) { return $instance; }
                   2491: 
                   2492: 	&Apache::response::pushrandomnumber();
1.173     albertel 2493: 	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
                   2494: 	    my @instances = @{$dimension{$dim}{'instances'}};
                   2495: 	    # remove disabled instances
                   2496: 	    for (my $i=0; $i < $#instances; $i++) {
                   2497: 		if ($dimension{$dim}{$instances[$i].'.disabled'}) {
                   2498: 		    splice(@instances,$i,1);
                   2499: 		    $i--;
                   2500: 		}
                   2501: 	    }
                   2502: 	    @instances = &Math::Random::random_permutation(@instances);
                   2503: 	    $instance  = $instances[($version-1)%scalar(@instances)];
                   2504: 	    if ($version =~ /^\d$/) {
                   2505: 		$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   2506: 		    $instance;
                   2507: 		$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 2508: 	    }
                   2509: 	}
                   2510: 	&Apache::response::poprandomnumber();
                   2511: 	return $instance;
                   2512:     }
1.13      albertel 2513: }
                   2514: 
1.169     albertel 2515: sub get_criteria {
                   2516:     my ($what,$version,$dim,$id) = @_;
                   2517:     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
1.194     albertel 2518:     my $prefix = ($type eq 'criteria' && $dim ne $top) ? "$dim.$id"
                   2519: 	                                               : "$id";
1.169     albertel 2520:     my $entry = "resource.$version.0.$prefix.$what";
                   2521:     if (exists($Apache::lonhomework::results{$entry})) {
                   2522: 	return $Apache::lonhomework::results{$entry};
                   2523:     }
                   2524:     return $Apache::lonhomework::history{$entry};
                   2525: }
                   2526: 
1.194     albertel 2527: sub link {
                   2528:     my ($id) = @_;
                   2529:     $id =~ s/\./_/g;
                   2530:     return 'LC_GRADING_criteria_'.$id;
                   2531: }
                   2532: sub end_Question { return &end_Dimension(@_); }
                   2533: sub end_Dimension {
                   2534:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.225     albertel 2535:     my $result;
1.194     albertel 2536:     my $dim=&get_id($parstack,$safeeval);
1.225     albertel 2537:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   2538: 	$result=&Apache::lonxml::endredirection();
                   2539: 	if (&skip_dimension_parsing($dim)) {
                   2540: 	    pop(@Apache::bridgetask::dimension);
                   2541: 	    return;
                   2542: 	}
1.122     albertel 2543:     }
1.194     albertel 2544:     my $instance=&get_instance($dim);
                   2545:     my $version=&get_version();
                   2546:     if ($target eq 'web') {
                   2547: 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2548: 	my @instances = $instance;
                   2549: 	if (&Apache::response::showallfoils()) {
                   2550: 	    @instances = @{$dimension{$dim}{'instances'}};
1.173     albertel 2551: 	}
1.194     albertel 2552: 	my $shown_question_text;
                   2553: 	foreach my $instance (@instances) {
                   2554: 	    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2555: 				     [@_]);
                   2556: 	    $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2557: 				     [@_],{'set_dim_id' => undef});
                   2558: 	    my $task_status = 
                   2559: 		$Apache::lonhomework::history{"resource.$version.0.status"};
                   2560: 	    if ($task_status ne 'pass' && $task_status ne 'fail') {
                   2561: 		
                   2562: 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2563: 				@{$dimension{$dim}{'criterias'}}) {
                   2564: 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2565: 		    &Apache::lonxml::debug("$id is $type");
                   2566: 		    if ($type eq 'dimension') {
                   2567: 			$result.=
                   2568: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2569: 					  [@_],{'set_dim_id' => $id});
1.173     albertel 2570: 		    }
1.194     albertel 2571: 		}
                   2572: 	    } else {
                   2573: 		my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
                   2574: 		my $mandatory='Mandatory';
                   2575: 		if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
                   2576: 		    $mandatory='Optional';
                   2577: 		}
1.200     albertel 2578: 		my $dim_info=
                   2579: 		    "\n<div class='LC_$dim_status LC_question_grade'>\n\t";
1.212     albertel 2580: 		my $ucquestion = 
                   2581: 		    my $question = 
                   2582: 		    ('sub' x $dimension{$dim}{'depth'}).'question';
                   2583: 		$ucquestion =~ s/^(.)/uc($1)/e;
1.194     albertel 2584: 		if ($dim_status eq 'pass') {
1.239     bisitz   2585:                     $dim_info.='<h3>'.$ucquestion.' : '
                   2586:                               .&mt('you passed this [_1] [_2]',$mandatory,$question)
                   2587:                               .'</h3>';
1.194     albertel 2588: 		}
                   2589: 		if ($dim_status eq 'fail') {
1.239     bisitz   2590:                     $dim_info.='<h3>'.$ucquestion.' : '
                   2591:                               .&mt('you did not pass this [_1] [_2]',$mandatory,$question)
                   2592:                               .'</h3>';
1.194     albertel 2593: 		}
1.197     albertel 2594: 		my %counts = &get_counts($dim,$instance,$parstack,
                   2595: 					 $safeeval);
                   2596: 
1.200     albertel 2597: 		$dim_info.="\n\t<p>"
1.197     albertel 2598: 		    .&question_status_message(\%counts,
                   2599: 					      $dimension{$dim}{'depth'})
1.200     albertel 2600: 		    ."</p>\n</div>\n";
1.194     albertel 2601: 		
                   2602: 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2603: 				@{$dimension{$dim}{'criterias'}}) {
                   2604: 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2605: 		    if ($type eq 'dimension') {
1.205     albertel 2606: 			if (defined($dimension{$id}{'result'})) {
                   2607: 			    $result.=$dimension{$id}{'result'};
                   2608: 			    next;
                   2609: 			} else {
                   2610: 			    $dim_info .=
                   2611: 				&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2612: 					      [@_],{'set_dim_id' => $id});
                   2613: 			}
                   2614: 		    } else {
                   2615: 			my $criteria =
                   2616: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2617: 					  [@_]);
                   2618: 			$dim_info .= &layout_web_Criteria($dim,$id,$criteria);
1.194     albertel 2619: 		    }
1.169     albertel 2620: 		}
1.202     albertel 2621: 		# puts the results at the end of the dimension
1.226     albertel 2622: 		if ($result =~m{<QuestionGradeInfo\s*/>}) {
                   2623: 		    $result=~s{<QuestionGradeInfo\s*/>}{$dim_info};
                   2624: 		} else {
                   2625: 		    $result .= $dim_info;
                   2626: 		}
1.202     albertel 2627: 		# puts the results at the beginning of the dimension
                   2628: 		# my $internal_location=&internal_location($dim);
                   2629: 		# $result=~s/\Q$internal_location\E/$dim_info/;
1.19      albertel 2630: 	    }
1.194     albertel 2631: 	}
1.206     albertel 2632: 	if ($result !~ /^\s*$/s) {
1.209     albertel 2633: 	    # FIXME? this maybe unneccssary in the future, (CSE101 BT
                   2634: 	    # from Fall 2006 geenrate a div that attempts to hide some
                   2635: 	    # of the output in an odd way, this is a workaround so
                   2636: 	    # those old ones will continue to work.  # It puts the
                   2637: 	    # LC_question div to come after any starting closie div
                   2638: 	    # that the dimension produces
1.211     albertel 2639: 	    if ($result =~ m{^\s*</div>}) {
                   2640: 		$result =~ s{^(\s*</div>)}
1.210     albertel 2641: 		            {$1\n<div id="$dim" class="LC_question">};
1.209     albertel 2642: 	    } else {
1.210     albertel 2643: 		$result = "\n".'<div id="'.$dim.'" class="LC_question">'.
1.209     albertel 2644: 		    "\n".$result;
                   2645: 	    }
                   2646: 	    $result .= "\n</div>\n";
1.206     albertel 2647: 	}
1.194     albertel 2648:     } elsif ($target eq 'webgrade') {
                   2649: 	# in case of any side effects that we need
                   2650: 	&nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2651: 	&nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
                   2652: 	$result.=
                   2653: 	    &nested_parse(\$dimension{$dim}{'questiontext'},[@_],
                   2654: 			  {'set_dim_id'          => undef,
1.195     albertel 2655: 			   'delayed_dim_results' => 1});
1.194     albertel 2656: 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2657: 			@{$dimension{$dim}{'criterias'}} ) {
                   2658: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2659: 	    if ($type eq 'dimension') {
                   2660: 		# dimensional 'criteria' don't get assigned grades
                   2661: 		$result.=
                   2662: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2663: 				  [@_],{'set_dim_id' => $id});
                   2664: 		next;
                   2665: 	    } else {
                   2666: 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2667: 					     [@_]);
                   2668: 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
                   2669: 		my $internal_location=&internal_location($id);
1.209     albertel 2670: 		if ($result =~ m/\Q$internal_location\E/) {
                   2671: 		    $result =~ s/\Q$internal_location\E/$criteria/;
                   2672: 		} else {
                   2673: 		    $result.=$criteria ;
                   2674: 		}
1.151     albertel 2675: 	    }
1.194     albertel 2676: 	}
                   2677: 	if (&nest()) {
                   2678: 	    &Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
                   2679: 	    $dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
                   2680: 	    undef($result);
                   2681: 	}
                   2682:     } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
                   2683: 	my $optional_passed=0;
                   2684: 	my $mandatory_failed=0;
                   2685: 	my $ungraded=0;
                   2686: 	my $review=0;
                   2687: 	
                   2688: 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2689: 	$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2690: 				 [@_]);
                   2691: 	$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2692: 				 [@_],{'set_dim_id' => undef});
                   2693: 	
                   2694: 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2695: 			@{$dimension{$dim}{'criterias'}}) {
                   2696: 	    my $link=&link($id);
                   2697: 	    
                   2698: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2699: 	    if ($type eq 'criteria') {
                   2700: 		# dimensional 'criteria' don't get assigned grades
                   2701: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
                   2702: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   2703: 	    } else {
                   2704: 		$result .=
                   2705: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2706: 				  [@_],{'set_dim_id' => $id});
1.20      albertel 2707: 	    }
1.194     albertel 2708: 	    my $status= &get_criteria('status',$version,$dim,$id);
                   2709: 	    
                   2710: 	    my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   2711: 	    if ($status eq 'pass') {
                   2712: 		if (!$mandatory) { $optional_passed++; }
                   2713: 	    } elsif ($status eq 'fail') {
                   2714: 		if ($mandatory) { $mandatory_failed++; }
                   2715: 	    } elsif ($status eq 'review') {
                   2716: 		$review++;
                   2717: 	    } elsif ($status eq 'ungraded') {
                   2718: 		$ungraded++;
1.20      albertel 2719: 	    } else {
1.194     albertel 2720: 		$ungraded++;
1.20      albertel 2721: 	    }
1.194     albertel 2722: 	}
                   2723: 
                   2724: 	my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
                   2725: 	if ($opt_req !~ /\S/) {
                   2726: 	    $opt_req=
                   2727: 		&Apache::lonxml::get_param('OptionalRequired',
                   2728: 					   $parstack,$safeeval);
                   2729: 	    if ($opt_req !~ /\S/) { $opt_req = 0; }
                   2730: 	}
                   2731: 	if ($optional_passed < $opt_req) {
                   2732: 	    $mandatory_failed++;
                   2733: 	}
                   2734: 	&Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
                   2735: 	if ($review) {
                   2736: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2737: 		'review';
                   2738: 	} elsif ($ungraded) {
                   2739: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2740: 		'ungraded';
                   2741: 	} elsif ($mandatory_failed) {
                   2742: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2743: 		'fail';
1.69      albertel 2744: 	} else {
1.194     albertel 2745: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2746: 		'pass';
1.13      albertel 2747: 	}
1.225     albertel 2748:     } elsif ($target eq 'edit') {
                   2749:     } elsif ($target eq 'modified') {
1.194     albertel 2750:     } else {
                   2751: 	# any other targets no output
                   2752: 	undef($result);
1.1       albertel 2753:     }
1.225     albertel 2754:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   2755: 	&disable_dimension_parsing();
                   2756: 	pop(@Apache::bridgetask::dimension);
                   2757:     }
1.194     albertel 2758:     return $result;
                   2759: }
1.162     albertel 2760: 
1.198     albertel 2761: sub question_status_message {
1.197     albertel 2762:     my ($counts,$depth) = @_;
                   2763:     my %req  = ('man' => 'mandatory',
                   2764: 		'opt' => 'optional',);
                   2765:     my %type = ('cri' => 'criteria',
                   2766: 		'dim' => ('sub'x($depth+1)).'questions',);
                   2767:     my @sections;
                   2768:     foreach my $req ('man','opt') {
                   2769: 	foreach my $type ('cri','dim') {
                   2770: 	    if ($counts->{$req.'_'.$type}) {
                   2771: 		push(@sections,
1.213     albertel 2772: 		     $counts->{$req.'_'.$type.'_passed'}.' of the '.
1.197     albertel 2773: 		     $counts->{$req.'_'.$type}.' '.
                   2774: 		     $req{$req}.' '.$type{$type});
                   2775: 	    }
                   2776: 	}
                   2777:     }
                   2778: 
                   2779:     my $status = 'You passed ';
                   2780:     if (@sections == -1) {
                   2781:     } elsif (@sections == 1) {
                   2782: 	$status .= $sections[0];
                   2783:     } elsif (@sections == 2) {
                   2784: 	$status .= $sections[0].' and '.$sections[1];
                   2785:     } else {
                   2786: 	my $last = pop(@sections);
                   2787: 	$status .= join(', ',@sections).', and '.$last;
                   2788:     }
                   2789:     $status .= '.';
                   2790:     if ($counts->{'opt'}) {
1.241     raeburn  2791:         if ($counts->{'opt_dim'} + $counts->{'man_dim'} < 1) {
                   2792:             $status .= ' '.&mt('You were required to pass [quant,_1,optional criterion,optional criteria].',$counts->{'opt_req'});
                   2793:         } else { 
                   2794:             $status .= ' '.&mt('You were required to pass [quant,_1,optional component].',$counts->{'opt_req'});
                   2795:         }
1.197     albertel 2796:     }
                   2797:     return $status;
                   2798: }
                   2799: 
                   2800: sub get_counts {
                   2801:     my ($dim,$instance,$parstack,$safeeval) = @_;
                   2802:     my %counts;
                   2803:     my @possible = ('man_cri','man_dim',
                   2804: 		    'opt_cri','opt_dim',
                   2805: 		    'man_cri_passed', 'man_dim_passed',
                   2806: 		    'opt_cri_passed', 'opt_dim_passed',
                   2807: 		    'man_passed',
                   2808: 		    'opt_passed',
                   2809: 		    'opt_req');
                   2810:     foreach my $which (@possible) { $counts{$which} = 0; }
                   2811: 
                   2812:     my $version = &get_version();
                   2813: 
                   2814:     foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
                   2815: 		     @{$dimension{$dim}{'criterias'}} ) {
                   2816: 	my $status = &get_criteria('status',$version,$dim,$id);
                   2817: 	my $which;
                   2818: 	if ($dimension{$dim}{'criteria.'.$id.'.mandatory'} 
                   2819: 	    eq 'N') {
                   2820: 	    $which = 'opt';
                   2821: 	} else {
                   2822: 	    $which = 'man';
                   2823: 	}
                   2824: 	$counts{$which}++;
                   2825: 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
                   2826: 	if ($dimension{$dim}{'criteria.'.$id.'.type'}
                   2827: 	    eq 'dimension') {
                   2828: 	    $which .= '_dim';
                   2829: 	} else {
                   2830: 	    $which .= '_cri';
                   2831: 	}
                   2832: 	$counts{$which}++;
                   2833: 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
                   2834: 
                   2835: 
                   2836:     }
                   2837:     if ($counts{'man_dim_passed'} eq $counts{'man_dim'}) {
                   2838: 	$counts{'man_dim_passed'}='all';
                   2839:     }
                   2840:     if ($counts{'man_cri_passed'} eq $counts{'man_cri'}) {
                   2841: 	$counts{'man_cri_passed'}='all';
                   2842:     }
                   2843:     
                   2844:     $counts{'opt_req'}=$dimension{$dim}{$instance.'.optionalrequired'};
                   2845:     if ($counts{'opt_req'} !~ /\S/) {
                   2846: 	$counts{'opt_req'}= &Apache::lonxml::get_param('OptionalRequired',
                   2847: 						       $parstack,$safeeval);
                   2848: 	if ($counts{'opt_req'} !~ /\S/) { $counts{'opt_req'} = 0; }
                   2849:     }
                   2850:     return %counts;
                   2851: }
                   2852: 
1.194     albertel 2853: sub end_Setup {
                   2854:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.225     albertel 2855:     my $result;
1.194     albertel 2856:     my $dim=&get_id($parstack,$safeeval);
                   2857:     my $instance=&get_instance($dim);
                   2858:     my $version=&get_version();
1.225     albertel 2859:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
                   2860: 	$result=&Apache::lonxml::endredirection();
                   2861:     }
1.194     albertel 2862:     if ($target eq 'web') {
                   2863: 	@Apache::scripttag::parser_env = @_;
                   2864: 	$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
                   2865: 	my @instances = $instance;
                   2866: 	if (&Apache::response::showallfoils()) {
                   2867: 	    @instances = @{$dimension{$dim}{'instances'}};
                   2868: 	}
                   2869: 	foreach my $instance (@instances) {
1.162     albertel 2870: 	    @Apache::scripttag::parser_env = @_;
1.194     albertel 2871: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
1.162     albertel 2872: 	    @Apache::scripttag::parser_env = @_;
1.194     albertel 2873: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
1.162     albertel 2874: 	}
1.194     albertel 2875:     } elsif ($target eq 'webgrade' 
                   2876: 	     || $target eq 'grade' && $env{'form.webgrade'}) {
                   2877: 	# in case of any side effects that we need
                   2878: 	@Apache::scripttag::parser_env = @_;
                   2879: 	&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
                   2880: 	@Apache::scripttag::parser_env = @_;
                   2881: 	&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
                   2882: 	@Apache::scripttag::parser_env = @_;
                   2883: 	&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
                   2884:     } else {
                   2885: 	# any other targets no output
                   2886: 	undef($result);
1.162     albertel 2887:     }
1.194     albertel 2888:     pop(@Apache::bridgetask::dimension);
                   2889:     return $result;
1.1       albertel 2890: }
                   2891: 
1.113     albertel 2892: sub grading_history {
1.151     albertel 2893:     my ($version,$dim,$id) = @_;
1.235     albertel 2894:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})
                   2895: 	&& !&Apache::lonnet::allowed('mgq',$env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
1.113     albertel 2896: 	return '';
                   2897:     }
                   2898:     my ($result,$grader);
1.194     albertel 2899:     my $scope="resource.$version.0.";
                   2900:     $scope .= ($dim ne $top) ? "$dim.$id"
                   2901: 	                     : "$id";
1.113     albertel 2902:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   2903: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   2904: 	    my ($gname,$gdom) = 
1.138     albertel 2905: 		split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
1.113     albertel 2906: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   2907: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   2908: 							 $gname,$gdom);
                   2909: 	}
                   2910: 	my $entry;
                   2911: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   2912: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   2913: 	}
                   2914: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   2915: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   2916: 	}
                   2917: 	if ($entry) {
1.200     albertel 2918: 	    $result.= "\n\t\t<li>\n\t\t\t$grader :\n\t\t\t $entry \n\t\t</li>";
1.113     albertel 2919: 	}
                   2920:     }
                   2921:     if ($result) {
1.200     albertel 2922: 	return "\n\t".'<ul class="LC_GRADING_pastgrading">'.$result.
                   2923: 	    "\n\t".'</ul>'."\n";
1.113     albertel 2924:     }
                   2925:     return '';
                   2926: }
                   2927: 
1.1       albertel 2928: sub start_IntroParagraph {
1.87      albertel 2929:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 2930:     my $result;
1.168     albertel 2931:     my $dim = &get_dim_id();
1.153     albertel 2932:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.151     albertel 2933: 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
1.169     albertel 2934: 	    $dimension{$dim}{'intro'}=
1.151     albertel 2935: 		&Apache::lonxml::get_all_text('/introparagraph',
                   2936: 					      $parser,$style);
                   2937:        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2938: 	    &Apache::lonxml::startredirection();
1.1       albertel 2939: 	}
1.47      albertel 2940: 	
1.225     albertel 2941:     } elsif ($target eq 'edit') {
                   2942: 	$result = &Apache::edit::tag_start($target,$token);
                   2943:     } elsif ($target eq 'modified') {
1.1       albertel 2944:     }
                   2945:     return $result;
                   2946: }
                   2947: 
                   2948: sub end_IntroParagraph {
1.127     albertel 2949:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 2950:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2951: 	my $result = &Apache::lonxml::endredirection();
                   2952:     }
1.1       albertel 2953: }
                   2954: 
1.227     albertel 2955: sub insert_IntroParagraph {
                   2956:     return '
                   2957: <IntroParagraph>
                   2958:     <startouttext />
                   2959:     <endouttext />
                   2960: </IntroParagraph>';
                   2961: }
                   2962: 
1.1       albertel 2963: sub start_Instance {
                   2964:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.168     albertel 2965:     my $dim = &get_dim_id();
                   2966:     my $id  = &get_id($parstack,$safeeval);
1.169     albertel 2967:     push(@{$dimension{$dim}{'instances'}},$id);
1.168     albertel 2968:     push(@{$Apache::bridgetask::instance{$dim}},$id);
1.19      albertel 2969:     push(@Apache::bridgetask::instancelist,$id);
1.169     albertel 2970:     $dimension{$dim}{$id.'.optionalrequired'}=
1.19      albertel 2971: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 2972:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   2973:     if (lc($disabled) eq 'yes') {
1.169     albertel 2974: 	$dimension{$dim}{$id.'.disabled'}='1';
1.75      albertel 2975:     }
1.225     albertel 2976:     my $result;
                   2977:     if ($target eq 'edit') {
                   2978: 	$result = &Apache::edit::tag_start($target,$token);
                   2979: 	$result.=  
                   2980: 	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
                   2981: 	    &Apache::edit::select_arg('Instance is Disabled:','Disabled',
                   2982: 				      [['no', 'No'],
                   2983: 				       ['yes','Yes'],],
                   2984: 				      $token)
                   2985: 	    .' <br /> '.
                   2986: 	    &Apache::edit::text_arg('Required number of passed optional elements to pass the Instance:',
                   2987: 				    'OptionalRequired',$token,4)
                   2988: 	    .&Apache::edit::end_row().
                   2989: 	    &Apache::edit::start_spanning_row();
                   2990:     } elsif ($target eq 'modified') {
                   2991: 	my $constructtag=
                   2992: 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
                   2993: 					'id','OptionalRequired','Disabled');
                   2994: 	if ($constructtag) {
                   2995: 	    $result = &Apache::edit::rebuild_tag($token);
                   2996: 	}
                   2997:     }
                   2998:     return $result;
1.1       albertel 2999: }
                   3000: 
                   3001: sub end_Instance {
1.225     albertel 3002:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   3003:     my $result;
                   3004:     if ($target eq 'edit') {
                   3005: 	$result = &Apache::edit::tag_end($target,$token);
                   3006:     }
                   3007:     return $result;
1.1       albertel 3008: }
                   3009: 
                   3010: sub start_InstanceText {
1.87      albertel 3011:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.225     albertel 3012:     my $result;
1.153     albertel 3013:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.225     albertel 3014: 	my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
                   3015: 	my $dim = &get_dim_id();
                   3016: 	my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.169     albertel 3017: 	$dimension{$dim}{$instance_id.'.text'}=$text;
1.225     albertel 3018:     } elsif ($target eq 'edit') {
                   3019: 	$result = &Apache::edit::tag_start($target,$token);
                   3020:     } elsif ($target eq 'modified') {
1.1       albertel 3021:     }
1.225     albertel 3022:     return $result;
1.1       albertel 3023: }
                   3024: 
                   3025: sub end_InstanceText {
                   3026:     return '';
                   3027: }
                   3028: 
1.227     albertel 3029: sub insert_InstanceText {
                   3030:     return '
                   3031: <InstanceText>
                   3032:     <startouttext />
                   3033:     <endouttext />
                   3034: </InstanceText>';
                   3035: }
                   3036: 
1.1       albertel 3037: sub start_Criteria {
1.87      albertel 3038:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.190     albertel 3039:     my $result = '';
1.21      albertel 3040:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.225     albertel 3041: 	my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.168     albertel 3042: 	my $dim = &get_dim_id();
1.19      albertel 3043: 	my $id=&get_id($parstack,$safeeval);
1.194     albertel 3044: 	if ($target eq 'web' || $target eq 'webgrade') {
1.208     albertel 3045: 	    if ($target eq 'webgrade') {
1.195     albertel 3046: 		&Apache::lonxml::debug(" for $dim $id stashing results into $dim ");
                   3047: 		$dimension{$dim}{'result'} .= &internal_location($id);
                   3048: 	    } else {
                   3049: 		&Apache::lonxml::debug(" not stashing $dim $id");
1.206     albertel 3050: 		#$result .= &internal_location($id);
1.195     albertel 3051: 	    }
1.194     albertel 3052: 	}
1.169     albertel 3053: 	&Apache::lonxml::debug("Criteria $id with $dim");
1.151     albertel 3054: 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
1.168     albertel 3055: 	    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.169     albertel 3056: 	    $dimension{$dim}{"criteria.$instance_id.$id"}=$criteria;
                   3057: 	    $dimension{$dim}{"criteria.$instance_id.$id.type"}='criteria';
                   3058: 	    $dimension{$dim}{"criteria.$instance_id.$id.mandatory"}=
1.151     albertel 3059: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 3060: 	    push(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
1.151     albertel 3061: 	} else {
1.169     albertel 3062: 	    $dimension{$dim}{'criteria.'.$id}=$criteria;
                   3063: 	    $dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
                   3064: 	    $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
1.151     albertel 3065: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 3066: 	    push(@{$dimension{$dim}{'criterias'}},$id);
1.194     albertel 3067: 	}
1.225     albertel 3068:     } elsif ($target eq 'edit') {
                   3069: 	$result .=&Apache::edit::tag_start($target,$token);
                   3070: 	$result.=  
                   3071: 	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
                   3072: 	    &Apache::edit::select_arg('Passing is Mandatory:','Mandatory',
1.233     albertel 3073: 				      [['Y', 'Yes'],
                   3074: 				       ['N','No'],],
1.225     albertel 3075: 				      $token)
                   3076: 	    .' <br /> '.&Apache::edit::end_row().
                   3077: 	    &Apache::edit::start_spanning_row();
                   3078:     } elsif ($target eq 'modified') {
                   3079: 	my $constructtag=
                   3080: 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
                   3081: 					'id','Mandatory');
                   3082: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.194     albertel 3083:     }
                   3084:     return $result;
                   3085: }
                   3086: 
                   3087: sub layout_web_Criteria {
                   3088:     my ($dim,$id,$criteria) = @_;
1.190     albertel 3089: 
1.194     albertel 3090:     my $version = &get_version();
                   3091:     my $status= &get_criteria('status', $version,$dim,$id);
                   3092:     my $comment=&get_criteria('comment',$version,$dim,$id);
                   3093:     my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   3094:     if ($mandatory) {
                   3095: 	$mandatory='Mandatory';
                   3096:     } else {
                   3097: 	$mandatory='Optional';
1.1       albertel 3098:     }
1.194     albertel 3099:     my $status_display=$status;
                   3100:     $status_display=~s/^([a-z])/uc($1)/e;
                   3101:     my $criteria_info.=
1.200     albertel 3102: 	'<div class="LC_'.$status.' LC_criteria">'."\n\t".'<h4>'
1.204     albertel 3103: 	.$mandatory.' Criteria</h4>'."\n\t".'<p class="LC_criteria_text">'
                   3104: 	."\n";
1.202     albertel 3105:     $criteria =~ s/^\s*//s;
                   3106:     $criteria =~ s/\s*$//s;
1.194     albertel 3107:     $criteria_info.= $criteria;
1.200     albertel 3108:     $criteria_info.="\n\t".'</p>'.
                   3109: 	"\n\t".'<p class="LC_grade">'.$status_display.'</p>';
1.194     albertel 3110:     if ($comment =~ /\w/) {
1.200     albertel 3111: 	$criteria_info.=
                   3112: 	    "\n\t".
                   3113: 	    '<p class="LC_comment">'.&mt('Comment: [_1]',$comment).'</p>';
1.194     albertel 3114:     }
1.200     albertel 3115:     $criteria_info.="\n".'</div>'."\n";
                   3116:     
1.194     albertel 3117:     return $criteria_info;
                   3118: }
                   3119: 
                   3120: sub layout_webgrade_Criteria {
                   3121:     my ($dim,$id,$criteria) = @_;
                   3122:     my $link=&link($id);
                   3123:     my $version = &get_version();
                   3124:     my $status  = &get_criteria('status',$version,$dim,$id);
1.245     bisitz   3125:     my %lt = &Apache::lonlocal::texthash(
                   3126:         'ungraded' => 'Ungraded',
                   3127:         'fail'     => 'Fail',
                   3128:         'pass'     => 'Pass',
                   3129:         'review'   => 'Review',
                   3130:         'comment'  => 'Additional Comment for Student',
                   3131:     );
1.200     albertel 3132:     my $comment = &get_criteria('comment',$version,$dim,$id);
                   3133:     $comment = &HTML::Entities::encode($comment,'<>"&');
                   3134:     my %checked;
                   3135:     foreach my $which ('ungraded','fail','pass','review') {
1.249     bisitz   3136: 	if ($status eq $which) { $checked{$which} = ' checked="checked"'; }
1.200     albertel 3137:     }
1.249     bisitz   3138:     if (!%checked) { $checked{'ungraded'} = ' checked="checked"'; }
1.201     albertel 3139:     my $buttons;
                   3140:     foreach my $which  ('ungraded','fail','pass','review') {
                   3141: 	$buttons .= <<END_BUTTON;
                   3142: 		<label class="LC_GRADING_$which">
1.249     bisitz   3143: 			<input type="radio" name="HWVAL_$link" value="$which"$checked{$which} />
1.201     albertel 3144: 			$lt{$which}
                   3145: 		</label>
                   3146: END_BUTTON
                   3147:     }
1.202     albertel 3148:     $criteria =~ s/^\s*//s;
                   3149:     $criteria =~ s/\s*$//s;
1.200     albertel 3150:     my $result = <<END_CRITERIA;
1.201     albertel 3151: <div class="LC_GRADING_criteria">
                   3152: 	<div class="LC_GRADING_criteriatext">
                   3153: 		$criteria
                   3154: 	</div>
                   3155: 	<div class="LC_GRADING_grade">
                   3156: $buttons
                   3157: 	</div>
                   3158: 	<label class="LC_GRADING_comment">
                   3159: 		$lt{'comment'}
                   3160: 		<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_$link">$comment</textarea>
                   3161: 	</label>
                   3162: </div>
1.200     albertel 3163: END_CRITERIA
                   3164:     $result .= &grading_history($version,$dim,$id);
1.190     albertel 3165:     return $result;
1.1       albertel 3166: }
                   3167: 
1.47      albertel 3168: sub end_Criteria {
1.225     albertel 3169:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   3170:     if ($target eq 'edit') {
                   3171:     } elsif ($target eq 'modified') {
                   3172:     }
                   3173: }
1.227     albertel 3174: sub insert_Criteria {
                   3175:     return '
                   3176: <Criteria>
                   3177:     <CriteriaText>
                   3178:         <startouttext />
                   3179:         <endouttext />
                   3180:     </CriteriaText>
                   3181: </Criteria>';
                   3182: }
1.225     albertel 3183: 
                   3184: sub start_CriteriaText {
                   3185:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   3186:     my $result;
                   3187:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   3188: 	
                   3189:     } elsif ($target eq 'edit') {
                   3190: 	$result = &Apache::edit::tag_start($target,$token);
                   3191:     } elsif ($target eq 'modified') {
                   3192:     }
                   3193:     return $result;
                   3194: }
                   3195: 
                   3196: sub end_CriteriaText {
                   3197:     return '';
1.47      albertel 3198: }
                   3199: 
1.227     albertel 3200: sub insert_CriteriaText {
                   3201:     return '
                   3202: <CriteriaText>
                   3203:     <startouttext />
                   3204:     <endouttext />
                   3205: </CriteriaText>';
                   3206: }
                   3207: 
1.186     albertel 3208: sub start_GraderNote {
                   3209:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.225     albertel 3210:     my $result;
1.186     albertel 3211:     if ($target eq 'webgrade') {
1.225     albertel 3212: 	$result = '<div class="LC_GRADING_gradernote"><b>'.
1.187     albertel 3213: 	    &mt('Note to graders:').'</b>';
1.225     albertel 3214:     } elsif ($target eq 'edit') {
                   3215: 	$result = &Apache::edit::tag_start($target,$token);
                   3216:     } elsif ($target eq 'modified') {
                   3217:     } elsif ($target eq 'web' || $target eq 'grade') {
                   3218: 	my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style); 
1.186     albertel 3219:     }
1.225     albertel 3220:     return $result;
1.186     albertel 3221: }
                   3222: 
                   3223: sub end_GraderNote {
                   3224:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   3225: 
                   3226:     if ($target eq 'webgrade') {
                   3227: 	return '</div>';
                   3228:     }
                   3229:     return;
                   3230: }
                   3231: 
1.227     albertel 3232: sub insert_GraderNote {
                   3233:     return '
                   3234: <GraderNote>
                   3235:     <startouttext />
                   3236:     <endouttext />
                   3237: </GraderNote>';
                   3238: }
1.186     albertel 3239: 
                   3240: 
1.4       albertel 3241: sub proctor_validation_screen {
                   3242:     my ($slot) = @_;
1.185     albertel 3243:     my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
1.5       albertel 3244:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.230     albertel 3245:     if ($url ne '/adm/lonKaputt/lonlogo_broken.gif') {
                   3246: 	$url = "<tr><td colspan=\"2\"><img src=\"$url\" /></td></tr>";
                   3247:     } else {
                   3248: 	undef($url);
                   3249:     }
                   3250: 
1.44      albertel 3251:     my $name=&Apache::loncommon::plainname($user,$domain);
                   3252:     
1.4       albertel 3253:     my $msg;
1.11      albertel 3254:     if ($env{'form.proctorpassword'}) {
1.230     albertel 3255: 	$msg.='<p><span class="LC_warning">'
                   3256: 	    .&mt("Failed to authenticate the proctor.")
                   3257: 	    .'</span></p>';
1.4       albertel 3258:     }
1.230     albertel 3259: 
                   3260:     my $valid;
                   3261:     my @possible_proctors=split(",",$slot->{'proctor'});
                   3262:     foreach my $proctor (@possible_proctors) {
                   3263: 	if ($proctor =~ /$LONCAPA::username_re:$LONCAPA::domain_re/) {
                   3264: 	    $valid = 1;
                   3265: 	    last;
                   3266: 	}
                   3267:     }
                   3268:     if (!$valid) {
                   3269: 	$msg.='<p><span class="LC_error">'
1.239     bisitz   3270: 	    .&mt("No valid proctors are defined.")
1.230     albertel 3271: 	    .'</span></p>';
                   3272:     }
                   3273:     
1.47      albertel 3274:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.229     albertel 3275:     my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
                   3276:     $uri = &HTML::Entities::encode($uri,'<>&"');
1.241     raeburn  3277:     my %lt = &Apache::lonlocal::texthash(
                   3278:                             'prva' => "Proctor Validation",
                   3279:                             'yoro' => "Your room's proctor needs to validate your access to this resource.",
                   3280:                             'prus'  => "Proctor's Username:",
                   3281:                             'pasw'  => "Password:",
                   3282:                             'prdo'  => "Proctor's Domain:",
                   3283:                             'vali'  => 'Validate',
                   3284:                             'stui'  => "Student who should be logged in is:",
                   3285:                             'name'  => "Name:",
1.251     raeburn  3286:                             'sid'   => "Student/Employee ID",
1.241     raeburn  3287:                             'unam'  => "Username:",
                   3288:                            );
1.4       albertel 3289:     my $result= (<<ENDCHECKOUT);
1.241     raeburn  3290: <h2>$lt{'prva'}</h2>
                   3291:     <p>$lt{'yoro'}</p>
1.4       albertel 3292:     $msg
1.229     albertel 3293: <form name="checkout" method="post" action="$uri">
1.4       albertel 3294: <input type="hidden" name="validate" value="yes" />
                   3295: <input type="hidden" name="submitted" value="yes" />
                   3296: <table>
1.264.8.1.2.2  (raeburn 3297::   <tr><td>$lt{'prus'}</td><td><input type="text" name="proctorname" value="$env{'form.proctorname'}" autocomplete="new-password" /></td></tr>
                   3298::   <tr><td>$lt{'pasw'}</td><td><input type="password" name="proctorpassword" value="" autocomplete="new-password" /></td></tr>
                   3299::   <tr><td>$lt{'prdo'}</td><td><input type="text" name="proctordomain" value="$env{'form.proctordomain'}" autocomplete="off" /></td></tr>
1.4       albertel 3300: </table>
1.241     raeburn  3301: <input type="submit" name="checkoutbutton" value="$lt{'vali'}"  /><br />
1.44      albertel 3302: <table border="1">
                   3303:   <tr><td>
                   3304:     <table>
1.241     raeburn  3305:       <tr><td colspan="2">$lt{'stui'}</td></tr>
                   3306:       <tr><td>$lt{'name'}</td><td>$name</td></tr>
                   3307:       <tr><td>$lt{'sid'}</td><td>$env{'environment.id'}</td></tr>
                   3308:       <tr><td>$lt{'unam'}</td><td>$user:$domain</td></tr>
1.230     albertel 3309:       $url
1.44      albertel 3310:     </table>
                   3311:   </tr></td>
                   3312: </table>
1.4       albertel 3313: </form>
                   3314: ENDCHECKOUT
1.241     raeburn  3315: 
1.4       albertel 3316:     return $result;
                   3317: }
                   3318: 
1.1       albertel 3319: 1;
                   3320: __END__

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