Annotation of loncom/homework/bridgetask.pm, revision 1.199

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.199   ! albertel    4: # $Id: bridgetask.pm,v 1.198 2006/11/09 20:20:18 albertel Exp $
1.1       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: ###
                     29: 
                     30: 
                     31: package Apache::bridgetask; 
                     32: 
                     33: use strict;
                     34: use Apache::lonnet;
                     35: use Apache::File();
                     36: use Apache::lonmenu;
                     37: use Apache::lonlocal;
                     38: use Apache::lonxml;
1.37      albertel   39: use Apache::slotrequest();
1.1       albertel   40: use Time::HiRes qw( gettimeofday tv_interval );
1.158     www        41: use lib '/home/httpd/lib/perl/';
                     42: use LONCAPA;
                     43:  
1.9       albertel   44: 
1.1       albertel   45: BEGIN {
1.186     albertel   46:     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','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'};
                     68:     my $domain=$env{'form.proctordomain'};
1.4       albertel   69:     
                     70:     my @allowed=split(",",$slot->{'proctor'});
                     71:     foreach my $possible (@allowed) {
1.138     albertel   72: 	my ($puser,$pdom)=(split(':',$possible));
1.4       albertel   73: 	if ($puser eq $user && $pdom eq $domain) {
1.72      albertel   74: 	    my $authenticated=0;
                     75: 	    if ( $slot->{'secret'} =~ /\S/ &&
                     76: 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
                     77: 		$authenticated=1;
                     78: 	    } else {
                     79: 		
                     80: 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
                     81: 		if ($authhost ne 'no_host') {
                     82: 		    $authenticated=1;
                     83: 		}
                     84: 	    }
1.150     albertel   85: 	    if ($authenticated) {
1.176     albertel   86: 		&check_in($type,$user,$domain,$slot_name);
1.4       albertel   87: 		return 1;
                     88: 	    }
                     89: 	}
                     90:     }
                     91:     return 0;
                     92: }
                     93: 
1.174     albertel   94: sub check_in {
                     95:     my ($type,$user,$domain,$slot_name) = @_;
                     96:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                     97:     if ( $useslots eq 'map_map') {
                     98: 	&check_in_sequence($user,$domain,$slot_name);
                     99:     } else {
                    100: 	&create_new_version($type,$user,$domain,$slot_name);
                    101:     }
                    102:     return 1;
                    103: }
                    104: 
                    105: sub check_in_sequence {
                    106:     my ($user,$domain,$slot_name) = @_;
                    107:     my $navmap = Apache::lonnavmaps::navmap->new();
1.185     albertel  108:     my ($symb) = &Apache::lonnet::whichuser();
1.174     albertel  109:     my ($map)  = &Apache::lonnet::decode_symb($symb);
1.175     albertel  110:     my @resources = 
                    111: 	$navmap->retrieveResources($map, sub { $_[0]->is_problem() },0,0);
1.174     albertel  112:     my %old_history = %Apache::lonhomework::history;
                    113:     my %old_results = %Apache::lonhomework::results;
                    114: 
                    115:     foreach my $res (@resources) {
                    116: 	&Apache::lonxml::debug("doing ".$res->src);
                    117: 	&Apache::structuretags::initialize_storage($res->symb);
                    118: 	my $type = ($res->is_task()) ? 'Task' : 'problem';
                    119: 	&create_new_version($type,$user,$domain,$slot_name);
                    120: 	&Apache::structuretags::finalize_storage($res->symb);
                    121:     }
                    122:     
                    123:     %Apache::lonhomework::history = %old_history;
                    124:     %Apache::lonhomework::results = %old_results;
                    125: }
                    126: 
1.150     albertel  127: sub create_new_version {
                    128:     my ($type,$user,$domain,$slot_name) = @_;
1.174     albertel  129:     
                    130:     my $id = '0';
1.150     albertel  131:     if ($type eq 'Task') {
                    132: 	# increment version
                    133: 	my $version=
                    134: 	    $Apache::lonhomework::history{'resource.0.version'};
                    135: 	$version++;
1.152     albertel  136: 	&Apache::lonxml::debug("Making version $version");
1.150     albertel  137: 	#clean out all current results
                    138: 	foreach my $key (keys(%Apache::lonhomework::history)) {
                    139: 	    if ($key=~/^resource\.0\./) {
                    140: 		$Apache::lonhomework::results{$key}='';
                    141: 	    }
                    142: 	}
                    143: 	
                    144: 	#setup new version and who did it
1.174     albertel  145:        	$Apache::lonhomework::results{'resource.0.version'}=$version;
                    146: 	$id = "$version.0";
1.178     albertel  147: 	if (!defined($user) || !defined($domain)) {
1.174     albertel  148: 	    $user = $env{'user.name'};
                    149: 	    $domain = $env{'user.domain'};
1.150     albertel  150: 	}
1.174     albertel  151: 	
1.150     albertel  152:     } elsif ($type eq 'problem') {
                    153: 	&Apache::lonxml::debug("authed $slot_name");
1.174     albertel  154:     }
1.181     albertel  155:     if (!defined($user) || !defined($domain)) {
                    156: 	$user = $env{'user.name'};
                    157: 	$domain = $env{'user.domain'};
                    158:     }
                    159: 
                    160:     $Apache::lonhomework::results{"resource.$id.checkedin"}=
                    161: 	$user.':'.$domain;
1.174     albertel  162: 
                    163:     if (defined($slot_name)) {
                    164: 	$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
                    165: 	    $slot_name;
1.150     albertel  166:     }
                    167: }
                    168: 
1.25      albertel  169: sub get_version {
1.29      albertel  170:     my ($version,$previous);
1.25      albertel  171:     if ($env{'form.previousversion'} && 
1.36      albertel  172: 	$env{'form.previousversion'} ne 'current' &&
1.89      albertel  173: 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
1.29      albertel  174: 	$version=$env{'form.previousversion'};
                    175: 	$previous=1;
                    176:     } else {
1.150     albertel  177: 	if (defined($Apache::lonhomework::results{'resource.0.version'})) {
                    178: 	    $version=$Apache::lonhomework::results{'resource.0.version'};
                    179: 	} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
                    180: 	    $version=$Apache::lonhomework::history{'resource.0.version'};
                    181: 	}
1.29      albertel  182: 	$previous=0;
                    183:     }
                    184:     if (wantarray) {
                    185: 	return ($version,$previous);
1.25      albertel  186:     }
1.29      albertel  187:     return $version;
1.25      albertel  188: }
                    189: 
1.8       albertel  190: sub add_previous_version_button {
1.25      albertel  191:     my ($status)=@_;
1.8       albertel  192:     my $result;
1.89      albertel  193:     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
1.25      albertel  194: 	return '';
                    195:     }
1.89      albertel  196:     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
1.29      albertel  197: 	$status ne 'NEEDS_CHECKIN') {
1.25      albertel  198: 	return '';
                    199:     }
1.29      albertel  200:     my $version=&get_version();
                    201:     if ($env{'form.previousversion'} ne '' &&
                    202: 	$env{'form.previousversion'} eq $version) {
                    203: 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
                    204: 	    "</h3>\n";
                    205:     }
                    206:     my @to_show;
1.89      albertel  207:     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
                    208: 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
1.29      albertel  209: 	    push(@to_show,$test_version);
                    210: 	}
                    211:     }
                    212:     my $list='<option>'.
                    213: 	join("</option>\n<option>",@to_show).
                    214: 	     "</option>\n";
1.36      albertel  215:     $list.='<option value="current">'.&mt('Current').'</option>';
1.115     albertel  216:     $result.='<form name="getprevious" method="post" action="';
1.29      albertel  217:     my $uri=$env{'request.uri'};
                    218:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    219:     $result.=$uri.'">'.
                    220: 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
                    221: <option>'.&mt('Pick one').'</option>
                    222: '.$list.'
                    223: </select>')."</form>";
1.8       albertel  224:     return $result;
                    225: }
                    226: 
1.13      albertel  227: sub add_grading_button {
1.185     albertel  228:     my (undef,$cid)=&Apache::lonnet::whichuser();
1.59      albertel  229:     my $cnum=$env{'course.'.$cid.'.num'};
                    230:     my $cdom=$env{'course.'.$cid.'.domain'};
1.144     albertel  231:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
                    232: 
1.59      albertel  233:     my $size=5;
                    234:     if (scalar(keys(%sections)) < 3) {
                    235: 	$size=scalar(keys(%sections))+2;
                    236:     }
1.122     albertel  237:     my $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
1.59      albertel  238:     $sec_select .= "<option value='all' selected='selected'>all</option>\n";
                    239:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
1.122     albertel  240: 	$sec_select .= "<option value=\"$sec\">$sec</option>\n";
1.59      albertel  241:     }
                    242:     $sec_select .= "<option value='none'>none</option></select>\n";
                    243:     
1.29      albertel  244:     my $result=' <input type="submit" name="gradeasubmission" value="'.
1.13      albertel  245: 	&mt("Get a submission to grade").'" />';
                    246:     $result.='<input type="hidden" name="grade_target" value="webgrade" />';
1.40      albertel  247:     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.34      albertel  248: 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
1.106     albertel  249: 	$result.='<table><tr>';
                    250: 	$result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
                    251: 	$result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
                    252: 	    &mt("Select an entry from the grading queue:").'" /> ';
1.34      albertel  253: 
1.107     albertel  254: 	$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
1.34      albertel  255: 
                    256: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
1.106     albertel  257: 	$result.='<tr><td>'.
                    258: 	    ' <input type="submit" name="reviewasubmission" value="'.
                    259: 	    &mt("Select an entry from the review queue:").'" /> ';
                    260: 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
                    261: 		     $entries,$ready,$locks).'</td></tr>'."\n";
                    262: 	$result.='<tr><td> <input type="submit" name="regradeasubmission" value="'.
                    263: 	    &mt("List of user's grade status").'" /> </td></tr></table>'."\n";
1.105     albertel  264: 	$result.='<p> <input type="submit" name="regradeaspecificsubmission" value="'.
1.106     albertel  265: 	    &mt("Regrade specific user:").'" />'."\n";
1.105     albertel  266: 	$result.='<input type="text" size="12" name="gradinguser" />';
                    267: 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
                    268: 						     'gradingdomain');
                    269: 	$result.=' '.
                    270: 	    &Apache::loncommon::selectstudent_link('gradesubmission',
                    271: 						   'gradinguser',
                    272: 						   'gradingdomain');
                    273: 	$result.=&Apache::loncommon::studentbrowser_javascript();
1.123     albertel  274: 	$result.= '</p>';
1.144     albertel  275:     }
1.13      albertel  276:     return $result;
                    277: }
                    278: 
1.22      albertel  279: sub add_request_another_attempt_button {
1.38      albertel  280:     my ($text)=@_;
                    281:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  282:     my $result;
1.36      albertel  283:     my $symb=&Apache::lonnet::symbread();
1.149     albertel  284:     # not a slot access based resource
                    285:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
                    286:     if ($useslots =~ /^\s*no\s*$/i) {
                    287: 	return '';
                    288:     }
                    289: 
1.37      albertel  290:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  291:     my $action='get_reservation';
1.37      albertel  292:     if ($slot_name) {
1.38      albertel  293: 	$text="Change reservation.";
                    294: 	$action='change_reservation';
1.37      albertel  295: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    296: 							      $slot);
                    297: 	$result.=(<<STUFF);
                    298: <p> Will be next available: $description </p>
                    299: STUFF
                    300:     }
1.38      albertel  301:     
                    302:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
1.158     www       303:     $symb=&escape($symb);
1.115     albertel  304:     $result.='<form method="post" action="/adm/slotrequest">'.
1.38      albertel  305: 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
                    306: 	'<input type="hidden" name="command" value="'.$action.'" />'.
                    307: 	'<input type="submit" name="requestattempt" value="'.
                    308: 	&mt($text).'" />'.
                    309: 	'</form>';
1.25      albertel  310:     return $result;
1.22      albertel  311: }
                    312: 
1.30      albertel  313: sub preserve_grade_info {
                    314:     my $result;
                    315:     # if we are viewing someone else preserve that info
                    316:     if (defined $env{'form.grade_symb'}) {
                    317: 	foreach my $field ('symb','courseid','domain','username') {
                    318: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    319: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    320: 	}
                    321:     }
                    322:     return $result;
                    323: }
                    324: 
1.53      albertel  325: sub style {
1.125     albertel  326:     my ($target) = @_;
                    327:     if ($target eq 'web'
                    328: 	|| $target eq 'webgrade') {
1.192     albertel  329: 	my $style = (<<STYLE);
1.126     albertel  330: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
1.53      albertel  331: STYLE
1.192     albertel  332:         if ($env{'browser.type'} eq 'explorer'
                    333: 	    && $env{'browser.os'} eq 'win' ) {
                    334: 	    if ($env{'browser.version'} < 7) {
                    335: 		$style .= (<<STYLE);
                    336: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie.css" />
                    337: STYLE
                    338:             } else {
                    339: 		$style .= (<<STYLE);
                    340: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie7.css" />
                    341: STYLE
                    342: 	    }
                    343: 	}
1.193     albertel  344: 	return $style;
1.125     albertel  345:     }
                    346:     return;
1.53      albertel  347: }
                    348: 
1.54      albertel  349: sub show_task {
                    350:     my ($status,$previous)=@_;
                    351:     if (!$previous && (
                    352: 		       ( $status eq 'CLOSED' ) ||
                    353: 		       ( $status eq 'BANNED') ||
                    354: 		       ( $status eq 'UNAVAILABLE') ||
                    355: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    356: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    357: 		       ( $status eq 'WAITING_FOR_GRADE') ||
1.150     albertel  358: 		       ( $status eq 'INVALID_ACCESS') ||
                    359: 		       ( &get_version() eq ''))) {
1.54      albertel  360: 	return 0;
                    361:     }
1.64      albertel  362:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  363:     return 1;
                    364: }
                    365: 
1.173     albertel  366: my @delay;
                    367: sub nest { 
                    368:     if (@delay) {
                    369: 	return $delay[-1];
                    370:     } else {
                    371: 	return;
                    372:     }
                    373: }
                    374: 
                    375: sub nested_parse {
                    376:     my ($str,$env,$args) = @_;
                    377:     my @old_env = @Apache::scripttag::parser_env;
                    378:     @Apache::scripttag::parser_env = @$env;
                    379:     if (exists($args->{'set_dim_id'})) {
                    380: 	&enable_dimension_parsing($args->{'set_dim_id'});
                    381:     }
                    382:     push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
                    383:     my $result = &Apache::scripttag::xmlparse($$str);
                    384:     pop(@delay);
                    385:     if (exists($args->{'set_dim_id'})) {
                    386: 	&disable_dimension_parsing();
                    387:     }
                    388:     @Apache::scripttag::parser_env = @old_env;
                    389:     if ($args->{'delayed_dim_results'}) {
                    390: 	my $dim = &get_dim_id();
1.180     albertel  391: 	&Apache::lonxml::debug(" tossing out $result ");
                    392: 	&Apache::lonxml::debug(" usining out $dim 's  ". $dimension{$dim}{'result'});
1.173     albertel  393: 	return $dimension{$dim}{'result'};
                    394:     }
                    395:     return $result;
                    396: }
                    397: 
1.54      albertel  398: sub internal_location {
                    399:     my ($id)=@_;
                    400:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    401: }
                    402: 
1.60      albertel  403: sub submission_time_stamp {
1.185     albertel  404:     my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.60      albertel  405:     my $submissiontime;
1.89      albertel  406:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  407:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
1.183     albertel  408: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
                    409: 	    && defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
1.60      albertel  410: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
1.182     albertel  411: 	    last;
1.60      albertel  412: 	}
                    413:     }
                    414:     my $result;
                    415:     if ($submissiontime) {
1.89      albertel  416: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  417: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    418: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  419: 	my ($color,$when)=('#FF6666','after');
                    420: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  421: 	my $info;
1.182     albertel  422: 	$diff = abs($diff);
1.60      albertel  423: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    424: 	$diff=int($diff/60);
                    425: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    426: 	$diff=int($diff/60);
                    427: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    428: 	$result='<p><font color="'.$color.'">'.
1.182     albertel  429: 	    &mt('Student submitted [_1] [_2] the deadline. '.
                    430: 		'(Submission was at [_3], end of period was [_4].)',
                    431: 		$info,$when,
                    432: 		&Apache::lonlocal::locallocaltime($submissiontime),
                    433: 		&Apache::lonlocal::locallocaltime($slot{'endtime'})).
1.60      albertel  434: 		'</font></p>';
                    435:     }
                    436:     return $result;
                    437: }
                    438: 
1.119     albertel  439: sub file_list {
                    440:     my ($files,$uname,$udom) = @_;
                    441:     if (!defined($uname) || !defined($udom)) {
1.185     albertel  442: 	(undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
1.119     albertel  443:     }
1.70      albertel  444:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.119     albertel  445: 
1.120     albertel  446:     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
1.119     albertel  447:     foreach my $partial_file (split(',',$files)) {
1.70      albertel  448: 	my $file=$file_url.$partial_file;
                    449: 	$file=~s|/+|/|g;
                    450: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.161     albertel  451: 	$file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
                    452: 	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
                    453: 	    '</a></span></li>'."\n";
1.70      albertel  454:     }
                    455:     $file_list.="</ul>\n";
1.119     albertel  456:     return $file_list;
                    457: }
                    458: 
1.163     albertel  459: sub grade_mode {
                    460:     if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
                    461: 	return 'regrade';
                    462:     }
                    463:     return 'queue_grade';
                    464: }
                    465: 
1.119     albertel  466: sub webgrade_standard_info {
                    467:     my ($version)=&get_version();
                    468: 
                    469:     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
1.70      albertel  470: 
1.163     albertel  471:     my %lt=('done'   => 'Next Item',
                    472: 	    'stop'   => 'Quit Grading',
                    473: 	    'fail'   => 'Fail Rest',
                    474: 	    'cancel' => 'Cancel',
                    475: 	    );
1.170     albertel  476:     %lt=&Apache::lonlocal::texthash(%lt);
1.163     albertel  477: 
1.70      albertel  478:     my $result=<<INFO;
1.120     albertel  479:   <div class="LC_GRADING_maincontrols">
1.163     albertel  480: INFO
                    481: 
                    482:     if (&grade_mode() eq 'regrade') {
                    483: 	$result.=<<INFO;
                    484:     <input type="submit" name="cancel" value="$lt{'cancel'}" />
                    485: INFO
                    486:     }
                    487: 
                    488:     $result.=<<INFO;
1.111     albertel  489:     <input type="submit" name="next" value="$lt{'done'}" />
                    490:     <input type="submit" name="stop" value="$lt{'stop'}" />
1.143     albertel  491:     <input type="button" name="fail" value="$lt{'fail'}" 
                    492:            onclick="javascript:onFailRest()" />
1.111     albertel  493:   </div>
1.70      albertel  494:   $file_list
                    495: INFO
                    496:     return $result;
                    497: }
                    498: 
1.166     albertel  499: sub done_screen {
                    500:     my ($version) = @_;
                    501:     my $title=&Apache::lonnet::gettitle();
                    502:     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
1.185     albertel  503:     my (undef,undef,$domain,$user)= &Apache::lonnet::whichuser();
1.166     albertel  504:     my $files = '<ul>';
1.167     albertel  505:     my $msg;
1.166     albertel  506:     foreach my $file (@files) {
                    507: 	my $url="/uploaded/$domain/$user/portfolio$file";
                    508: 	if (! &Apache::lonnet::stat_file($url)) {
                    509: 	    $file = &mt('<span class="LC_error"> Nonexistent file:</span> '.
                    510: 			'<span class="LC_filename">[_1]</span>',$file);
1.167     albertel  511: 	    $msg .= "<p>Submitted non-existant file $file</p>\n";
1.166     albertel  512: 	} else {
                    513: 	    $file = '<span class="LC_filename">'.$file.'</span>';
1.167     albertel  514: 	    $msg .= "<p>Submitted file $file</p>\n";
1.166     albertel  515: 	}
                    516: 	$files .= '<li>'.$file.'</li>';
                    517:     }
                    518:     $files.='</ul>';
1.167     albertel  519:     my $subject = "Submission message for $title";
                    520:     my ($message_status,$comment_status);
                    521:     my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
                    522:     $setting =~ s/^\s*(\S*)\s*$/$1/;
                    523:     $setting = lc($setting);
                    524:     if ($setting eq 'only_student'
                    525: 	|| $setting eq 'student_and_user_notes_screen') {
                    526: 	$message_status =
                    527: 	    &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
                    528: 	$message_status = '<p>'.&mt('Message sent to user: [_1]',
                    529: 				    $message_status).' </p>';
                    530:     }
                    531:     if ($setting eq 'student_and_user_notes_screen') {
                    532: 	$comment_status = 
                    533: 	    &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
                    534: 						      $msg,$user,$domain);
                    535: 	$comment_status = '<p>'.&mt('Message sent to instructor: [_1]',
                    536: 				    $comment_status).' </p>';
                    537:     }
1.166     albertel  538:     return <<DONESCREEN;
                    539: <h2>$title</h2>
                    540: <p> Files submitted: $files </p>
                    541: <p> You are now done with this Bridge Task </p>
                    542: <hr />
                    543: <p> <a href="/adm/logout">Logout</a> </p>
                    544: <p> <a href="/adm/roles">Change to a different course</a> </p>
1.167     albertel  545: $message_status
                    546: $comment_status
1.166     albertel  547: DONESCREEN
                    548: 
                    549: }
                    550: 
1.1       albertel  551: sub start_Task {
1.87      albertel  552:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  553: 
1.4       albertel  554:     my ($status,$accessmsg,$slot);
1.179     albertel  555:     &Apache::structuretags::init_problem_globals('Task');
1.16      albertel  556:     if ($target ne 'webgrade') {
                    557: 	&Apache::structuretags::initialize_storage();
                    558: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  559: 	if ($env{'request.state'} eq 'construct') {
                    560: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    561: 	}
1.16      albertel  562:     } 
                    563: 
1.4       albertel  564:     $Apache::lonhomework::parsing_a_task=1;
1.141     albertel  565: 
                    566:     my $name;
                    567:     if ($target eq 'web' || $target eq 'webgrade') {
                    568: 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    569:     }
                    570: 
1.145     albertel  571:     my ($result,$form_tag_start);
                    572:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
                    573: 	|| $target eq 'edit') {
                    574: 	($result,$form_tag_start) =
                    575: 	    &Apache::structuretags::page_start($target,$token,$tagstack,
                    576: 					       $parstack,$parser,$safeeval,
1.146     albertel  577: 					       $name,&style($target));
1.145     albertel  578: 	$result .= '<div class="LC_task">'."\n";
                    579:     }
1.123     albertel  580: 
1.74      albertel  581:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.147     albertel  582: 	if ($Apache::lonhomework::queuegrade
                    583: 	    || $Apache::lonhomework::modifygrades) {
1.141     albertel  584: 	    $result.='<form name="gradesubmission" method="post" action="';
1.13      albertel  585: 	    my $uri=$env{'request.uri'};
                    586: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.141     albertel  587: 	    $result.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  588: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  589: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.141     albertel  590: 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  591: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    592: 		    '<input type="hidden" name="command" value="showslots" />'.
                    593: 		    '<input type="submit" name="requestattempt" value="'.
                    594: 		    &mt('Show Slot list').'" />'.
                    595: 		    '</form>';
1.108     albertel  596: 		my $target_id = 
                    597: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    598: 							     part => '0'});
1.141     albertel  599: 		$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  600: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    601: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    602: 		    '<input type="submit" name="grading" value="'.
                    603: 		    &mt('Show Grading Status').'" />'.
                    604: 		    '</form>';
1.40      albertel  605: 	    }
1.13      albertel  606: 	}
1.8       albertel  607:     }
1.74      albertel  608:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    609: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    610:     }
1.163     albertel  611:     if ($target eq 'web' 
                    612: 	|| ($target eq 'grade' && !$env{'form.webgrade'}) 
                    613: 	|| $target eq 'answer' 
                    614: 	|| $target eq 'tex') {
1.29      albertel  615: 	my ($version,$previous)=&get_version();
1.14      albertel  616: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  617: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.152     albertel  618: 	if ($status eq 'CAN_ANSWER' && $version eq '') {
1.177     albertel  619: 	    # CAN_ANSWER mode, and no current version, unproctored access
1.174     albertel  620: 	    # thus self-checkedin
1.177     albertel  621: 	    &check_in('Task',undef,undef,$slot_name);
1.152     albertel  622: 	    &add_to_queue('gradingqueue',{'type' => 'Task',
                    623: 					  'time' => time,
                    624: 					  'slot' => $slot_name});
1.150     albertel  625: 	    ($version,$previous)=&get_version();
                    626: 	}
                    627: 
1.9       albertel  628: 	push(@Apache::inputtags::status,$status);
1.14      albertel  629: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  630: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  631: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  632: 	&Apache::run::run($expression,$safeeval);
                    633: 	&Apache::lonxml::debug("Got $status");
1.141     albertel  634: 	$result.=&add_previous_version_button($status);
1.54      albertel  635: 	if (!&show_task($status,$previous)) {
1.87      albertel  636: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  637: 	    if ( $target eq "web" ) {
1.74      albertel  638: 		if ($env{'request.state'} eq 'construct') {
                    639: 		    $result.=$form_tag_start;
                    640: 		}
1.4       albertel  641: 		my $msg;
1.1       albertel  642: 		if ($status eq 'UNAVAILABLE') {
                    643: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  644: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    645: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  646: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  647: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    648: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    649: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  650: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    651: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  652: 		} elsif ($env{'form.donescreen'}) {
1.167     albertel  653: 		    $result .= &done_screen($version);
1.1       albertel  654: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    655: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    656: 		}
                    657: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    658: 		    $msg.='The problem '.$accessmsg;
                    659: 		}
                    660: 		$result.=$msg.'<br />';
                    661: 	    } elsif ($target eq 'tex') {
                    662: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    663: 		if ($status eq 'UNAVAILABLE') {
                    664: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    665: 		} else {
                    666: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    667: 		}
1.22      albertel  668: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  669: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  670: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    671: 		       && defined($Apache::inputtags::slot_name)) {
1.148     albertel  672: 			my $result=
                    673: 			    &add_to_queue('gradingqueue',
1.152     albertel  674: 					  {'type' => 'Task',
1.148     albertel  675: 					   'time' => time,
                    676: 					   'slot' => 
                    677: 					       $Apache::inputtags::slot_name});
1.77      albertel  678: 			&Apache::lonxml::debug("add_to_queue said $result");
                    679: 		    }
1.4       albertel  680: 		}
1.1       albertel  681: 	    }
                    682: 	} elsif ($target eq 'web') {
1.141     albertel  683: 
1.57      albertel  684: 	    $result.=&preserve_grade_info();
1.194     albertel  685: 	    $result.=&internal_location(); 
1.36      albertel  686: 	    $result.=$form_tag_start.
                    687: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  688: 	    &Apache::lonxml::startredirection();
1.1       albertel  689: 	}
1.21      albertel  690:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    691: 	      $target eq 'webgrade') {
1.32      albertel  692: 	my $webgrade='yes';
1.21      albertel  693: 	if ($target eq 'webgrade') {
1.141     albertel  694: 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
1.124     albertel  695: 		'<script type="text/javascript" 
1.126     albertel  696:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  697: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    698: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  699: 	}
1.194     albertel  700: 
1.105     albertel  701: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  702: 
                    703: 	if ($todo) {
                    704: 	    &setup_env_for_other_user($todo,$safeeval);
                    705: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    706: 	    $result.="\n".'<table><tr><td>Found '.
                    707: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    708: 	    $form_tag_start.=
                    709: 		'<input type="hidden" name="gradingkey" value="'.
1.158     www       710: 		&escape($todo).'" />';
1.33      albertel  711: 	    $Apache::bridgetask::queue_key=$todo;
                    712: 	    &Apache::structuretags::initialize_storage();
                    713: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  714: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    715: 		$form_tag_start.=
                    716: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  717: 	    }
1.15      albertel  718: 	} else {
1.33      albertel  719: 	    if ($target eq 'webgrade') {
                    720: 		$result.="\n";
1.81      albertel  721: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    722: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  723: 		if      ($status_code eq 'stop') {
1.81      albertel  724: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.163     albertel  725: 		} elsif ($status_code eq 'cancel') {
                    726: 		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
1.164     albertel  727: 		} elsif ($status_code eq 'never_versioned') {
                    728: 		    $result.='<b>'.
                    729: 			&mt("Requested user has never accessed the task.").
                    730: 			'</b>'.$back;
1.165     albertel  731: 		} elsif ($status_code =~ /still_open:(.*)/) {
                    732: 		    my $date = &Apache::lonlocal::locallocaltime($1);
                    733: 		    $result.='<b>'.
                    734: 			&mt("Task is still open, will close at [_1].",$date).
                    735: 			'</b>'.$back;
1.33      albertel  736: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  737: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  738: 			.'</b>'.$back;
1.33      albertel  739: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  740: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    741: 			.'</b>'.$back;
1.33      albertel  742: 		    $result.=&show_queue($env{'form.queue'},1);
                    743: 		} elsif ($status_code eq 'show_list') {
                    744: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  745: 		} elsif ($status_code eq 'select_user') {
                    746: 		    $result.=&select_user();
1.95      albertel  747: 		} elsif ($status_code eq 'unable') {
                    748: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  749: 		} elsif ($status_code eq 'not_allowed') {
                    750: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  751: 		} else {
1.81      albertel  752: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  753: 		}
1.21      albertel  754: 	    }
1.33      albertel  755: 	    $webgrade='no';
1.163     albertel  756: 	}
                    757: 	if (!$todo || $env{'form.cancel'}) {
1.87      albertel  758: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  759: 	}
                    760: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  761: 	    if ($webgrade eq 'yes') {
                    762: 		$result.=&submission_time_stamp();
                    763: 	    }
1.32      albertel  764: 	    $result.=$form_tag_start;
                    765: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    766: 		$webgrade.'" />';
                    767: 	    $result.='<input type="hidden" name="queue" value="'.
                    768: 		$env{'form.queue'}.'" />';
1.52      albertel  769: 	    if ($env{'form.regrade'}) {
                    770: 		$result.='<input type="hidden" name="regrade" value="'.
                    771: 		    $env{'form.regrade'}.'" />';
                    772: 	    }
1.62      albertel  773: 	    if ($env{'form.chosensections'}) {
                    774: 		my @chosen_sections=
                    775: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    776: 		foreach my $sec (@chosen_sections) {
                    777: 		    $result.='<input type="hidden" name="chosensections" 
                    778:                                value="'.$sec.'" />';
                    779: 		}
                    780: 	    }
1.70      albertel  781: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  782: 	}
1.110     albertel  783: 	if ($target eq 'webgrade') {
1.120     albertel  784: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.194     albertel  785: 	    &Apache::lonxml::startredirection();
1.110     albertel  786: 	}
1.74      albertel  787:     } elsif ($target eq 'edit') {
1.141     albertel  788: 	$result.=$form_tag_start.
1.74      albertel  789: 	    &Apache::structuretags::problem_edit_header();
                    790: 	$Apache::lonxml::warnings_error_header=
                    791: 	    &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 />";
                    792: 	my $temp=&Apache::edit::insertlist($target,$token);
                    793: 	$result.=$temp;
1.1       albertel  794:     } else {
                    795: 	# page_start returned a starting result, delete it if we don't need it
                    796: 	$result = '';
                    797:     }
                    798:     return $result;
                    799: }
                    800: 
1.165     albertel  801: sub get_task_end_time {
                    802:     my ($queue_entry,$symb,$udom,$uname) = @_;
                    803: 
                    804:     my $end_time;
                    805:     if (my $slot = &slotted_access($queue_entry)) {
                    806: 	my %slot_data=&Apache::lonnet::get_slot($slot);
                    807: 	$end_time = $slot_data{'endtime'};
                    808:     } else {
                    809: 	$end_time = &Apache::lonhomework::due_date('0',$symb,
                    810: 						   $udom,$uname);
                    811:     }
                    812:     return $end_time;
                    813: }
                    814: 
1.32      albertel  815: sub get_key_todo {
                    816:     my ($target)=@_;
                    817:     my $todo;
1.33      albertel  818: 
                    819:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  820: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  821: 	$env{'form.queue'}='reviewqueue';
                    822: 	return (undef,'show_list');
                    823:     }
                    824: 
                    825:     if (defined($env{'form.reviewagrading'})) {
                    826: 	&Apache::lonxml::debug("review a grading....");
                    827: 	$env{'form.queue'}='gradingqueue';
                    828: 	return (undef,'show_list');
                    829:     }
                    830: 
1.49      albertel  831:     if (defined($env{'form.regradeasubmission'})) {
                    832: 	&Apache::lonxml::debug("regrade a grading....");
                    833: 	$env{'form.queue'}='none';
                    834: 	return (undef,'select_user');
                    835:     }
                    836: 
1.105     albertel  837: 
1.138     albertel  838:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.105     albertel  839: 
                    840:     #need to try both queues..
                    841:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    842: 	defined($env{'form.gradinguser'})               &&
                    843: 	defined($env{'form.gradingdomain'})               ) {
1.185     albertel  844: 	my ($symb,$cid)=&Apache::lonnet::whichuser();
1.105     albertel  845: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    846: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    847: 	my $uname = $env{'form.gradinguser'};
                    848: 	my $udom  = $env{'form.gradingdomain'};
                    849: 
                    850: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    851: 
                    852: 	my $queue;
                    853: 
                    854: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    855: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    856: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    857: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    858: 	}
                    859: 	
                    860: 	if (!$queue) {
                    861: 	    $env{'form.queue'} = $queue = 'none';
                    862: 	    #not queued so doing either a re or pre grade
1.164     albertel  863: 	    my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
                    864: 	    if ($status{'resource.0.version'} < 1) {
                    865: 		return (undef,'never_versioned');
                    866: 	    }
1.105     albertel  867: 	    return ($gradingkey);
                    868: 	}
                    869: 
1.165     albertel  870: 	if ($queue) {
                    871: 	    my $queue_entry = &get_queue_data($queue,$udom,$uname);
                    872: 	
                    873: 	    my $end_time = &get_task_end_time($queue_entry,$symb,
                    874: 					      $udom,$uname);
                    875: 	    if ($end_time > time) {
                    876: 		return (undef,"still_open:$end_time");
                    877: 	    }
                    878: 	}
                    879: 
1.105     albertel  880: 	my $who=&queue_key_locked($queue,$gradingkey);
                    881: 	if ($who eq $me) {
                    882: 	    #already have the lock
1.158     www       883: 	    $env{'form.gradingkey'}=&escape($gradingkey);
1.163     albertel  884: 	    &Apache::lonxml::debug("already locked");
1.105     albertel  885: 	    return ($gradingkey);
                    886: 	}
                    887: 	
                    888: 	if (!defined($who)) {
                    889: 	    if (&lock_key($queue,$gradingkey)) {
1.163     albertel  890: 		&Apache::lonxml::debug("newly locked");
1.105     albertel  891: 		return ($gradingkey);
                    892: 	    } else {
                    893: 		return (undef,'lock_failed');
                    894: 	    }
                    895: 	}
                    896: 
                    897: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    898: 	return (undef,'not_allowed',
                    899: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
1.138     albertel  900: 		    $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
1.105     albertel  901:     }
                    902: 
                    903: 
1.32      albertel  904:     my $queue=$env{'form.queue'};
1.33      albertel  905: 
1.32      albertel  906:     if (!defined($queue)) {
                    907: 	$env{'form.queue'}=$queue='gradingqueue';
                    908:     }
1.33      albertel  909: 
1.158     www       910:     my $gradingkey=&unescape($env{'form.gradingkey'});
1.33      albertel  911: 
1.49      albertel  912:     if ($env{'form.queue'} eq 'none') {
                    913: 	if (defined($env{'form.gradingkey'})) {
                    914: 	    if ($target eq 'webgrade') {
                    915: 		if ($env{'form.stop'}) {
                    916: 		    return (undef,'stop');
1.163     albertel  917: 		} elsif ($env{'form.cancel'}) {
                    918: 		    return (undef,'cancel');
1.49      albertel  919: 		} elsif ($env{'form.next'}) {
1.59      albertel  920: 		    return (undef,'select_user');
1.49      albertel  921: 		}
                    922: 	    }
                    923: 	    return ($gradingkey,'selected');
                    924: 	} else {
1.59      albertel  925: 	    return (undef,'select_user');
1.49      albertel  926: 	}
                    927:     }
1.32      albertel  928:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  929: 	&& !defined($env{'form.gradingaction'}) 
                    930: 	&& $env{'form.queuemode'} eq 'selected') {
                    931: 	
                    932: 	my $who=&queue_key_locked($queue,$gradingkey);
                    933: 	if ($who eq $me) {
                    934: 	    &Apache::lonxml::debug("Found a key was given to me");
                    935: 	    return ($gradingkey,'selected');
                    936: 	} else {
                    937: 	    return (undef,'show_list');
                    938: 	}
                    939: 
                    940:     }
                    941: 
                    942:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    943: 	if ($env{'form.gradingaction'} eq 'resume') {
                    944: 	    delete($env{'form.gradingaction'});
                    945: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  946: 	    return ($gradingkey);
1.33      albertel  947: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    948: 	    &Apache::lonxml::debug("Unlocking a key ".
                    949: 				     &check_queue_unlock($queue,$gradingkey,1));
                    950: 	    return (undef,'unlock');
                    951: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    952: 	    &Apache::lonxml::debug("Locking a key");
                    953: 	    if (&lock_key($queue,$gradingkey)) {
                    954: 		&Apache::lonxml::debug("Success $queue");
                    955: 		return ($gradingkey);
                    956: 	    }
                    957: 	    &Apache::lonxml::debug("Failed $queue");
                    958: 	    return (undef,'lock_failed');
1.32      albertel  959: 	}
                    960:     }
1.33      albertel  961: 
                    962:     if ($env{'form.queuemode'} ne 'selected') {
                    963: 	# don't get something new from the queue if they hit the stop button
1.163     albertel  964:     	if (!(($env{'form.cancel'} || $env{'form.stop'}) 
                    965: 	      && $target eq 'webgrade') 
1.33      albertel  966: 	    && !$env{'form.gradingaction'}) {
                    967: 	    &Apache::lonxml::debug("Getting anew $queue");
                    968: 	    return (&get_from_queue($queue));
                    969: 	} else {
                    970: 	    return (undef,'stop');
                    971: 	}
1.32      albertel  972:     }
1.33      albertel  973:     return (undef,undef)
1.32      albertel  974: }
1.94      albertel  975: 
                    976: sub minimize_storage {
                    977:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    978: 	if ($key =~ /regrader$/) { next; }
                    979: 	if ($Apache::lonhomework::results{$key} eq
                    980: 	    $Apache::lonhomework::history{$key}) {
                    981: 	    delete($Apache::lonhomework::results{$key});
                    982: 	}
                    983:     }
                    984: }
                    985: 
1.1       albertel  986: sub end_Task {
                    987:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    988:     my $result='';
                    989:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  990:     my ($version,$previous)=&get_version();
1.1       albertel  991:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  992: 	$target eq 'tex') {
1.69      albertel  993: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  994: 	    if ($target eq 'web') {
1.54      albertel  995: 		if (&show_task($status,$previous)) {
                    996: 		    $result.=&Apache::lonxml::endredirection();
                    997: 		}
1.64      albertel  998: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    999: 		    !$env{'form.donescreen'}) {
1.15      albertel 1000: 		    $result.="\n".'<table border="1">'.
1.28      albertel 1001: 			&Apache::inputtags::file_selector("$version.0",
                   1002: 							  "bridgetask","*",
1.46      albertel 1003: 							  'portfolioonly',
                   1004: 							  '
                   1005: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                   1006: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel 1007: 							  "</table>";
1.77      albertel 1008: 		}
1.78      albertel 1009: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                   1010: 		    &show_task($status,$previous)) {
1.9       albertel 1011: 		    $result.=&Apache::inputtags::gradestatus('0');
1.199   ! albertel 1012: 		}
        !          1013: 		
        !          1014: 		$result.='</form>';
        !          1015: 
        !          1016: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
        !          1017: 		    &show_task($status,$previous)) {
1.116     albertel 1018: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel 1019: 		    $result.=<<DONEBUTTON;
1.115     albertel 1020: <form name="done" method="post" action="$action">
1.64      albertel 1021:    <input type="hidden" name="donescreen" value="1" />
                   1022:    <input type="submit" value="Done" />
                   1023: </form>
                   1024: DONEBUTTON
1.77      albertel 1025:                 }
1.56      albertel 1026: 		if (&show_task($status,$previous) &&
1.89      albertel 1027: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                   1028: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel 1029: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel 1030: 
1.149     albertel 1031: 		    my $start_time;
                   1032: 
1.80      albertel 1033: 		    my $slot_name=
1.89      albertel 1034: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.149     albertel 1035: 		    if ($slot_name) {
                   1036: 			my %slot=&Apache::lonnet::get_slot($slot_name);
                   1037: 
                   1038: 			$start_time=$slot{'starttime'}
                   1039: 		    } else {
                   1040: 			$start_time= 
                   1041: 			    &Apache::lonnet::EXT('resource.0.opendate');
                   1042: 		    }
                   1043: 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
1.54      albertel 1044: 
1.116     albertel 1045: 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
1.54      albertel 1046: 		    
                   1047: 		    if ($bt_status eq 'pass')  {
                   1048: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel 1049: 			    $start_time.'</h2>';
1.54      albertel 1050: 		    }
                   1051: 		    if ($bt_status eq 'fail')  {
                   1052: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel 1053: 			    $start_time.'</h2>';
1.54      albertel 1054: 			if (!$previous) {
                   1055: 			    $status.=&add_request_another_attempt_button();
                   1056: 			}
                   1057: 		    }
1.194     albertel 1058: 		    $status.='</div>';
                   1059: 		    my $dim = $top;
1.197     albertel 1060: 		    my %counts = &get_counts($dim,undef,$parstack,
                   1061: 					     $safeeval);
                   1062: 		    $status.="\n<div class='LC_$bt_status LC_criteria LC_task_overall_status'><p>".
1.198     albertel 1063: 			&question_status_message(\%counts,-1).
                   1064: 			"</p></div>\n";
1.197     albertel 1065: 		    
1.194     albertel 1066: 
                   1067: 		    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
                   1068: 			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1069: 			if ($type eq 'dimension') {
                   1070: 			    $result.=$dimension{$id}{'result'};
                   1071: 			    next;
                   1072: 			}
                   1073: 			my $criteria = 
                   1074: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   1075: 					  [@_]);
                   1076: 			$status .= &layout_web_Criteria($dim,$id,$criteria);
                   1077: 		    }
1.54      albertel 1078: 
                   1079: 		    my $internal_location=&internal_location();
                   1080: 		    $result=~s/\Q$internal_location\E/$status/;
                   1081: 		}
1.142     albertel 1082: 		$result.="\n</div>\n".
                   1083: 		    &Apache::loncommon::end_page({'discussion' => 1});
1.1       albertel 1084: 	    }
                   1085: 	}
1.181     albertel 1086: 
                   1087: 	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                   1088: 	my %queue_data = ('type' => 'Task',
                   1089: 			  'time' => time,);
                   1090: 	if (defined($Apache::inputtags::slot_name)) {
                   1091: 	    $queue_data{'slot'} = $Apache::inputtags::slot_name;
                   1092: 	} elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
                   1093: 	    $queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
                   1094: 	}
                   1095: 	
                   1096: 
1.29      albertel 1097: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel 1098: 	    my $award='SUBMITTED';
1.28      albertel 1099: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel 1100: 						    'portfiles',\$award);
1.14      albertel 1101: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel 1102: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                   1103: 		$Apache::lonhomework::results{"resource.0.tries"}=
                   1104: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                   1105: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                   1106: 
                   1107: 		$Apache::lonhomework::results{"resource.0.award"}=
                   1108: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                   1109: 		    $award;
1.51      albertel 1110: 		$Apache::lonhomework::results{"resource.0.submission"}=
                   1111: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel 1112: 	    } else {
                   1113: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel 1114: 		$award = '';
1.10      albertel 1115: 	    }
1.4       albertel 1116: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                   1117: 	    &Apache::structuretags::finalize_storage();
1.148     albertel 1118: 	    if ($award eq 'SUBMITTED') {
1.181     albertel 1119: 		&add_to_queue('gradingqueue',\%queue_data);
1.14      albertel 1120: 	    }
1.1       albertel 1121: 	}
1.163     albertel 1122: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1123: 	    && exists($env{'form.cancel'})) {
                   1124: 	    &check_queue_unlock($env{'form.queue'});
                   1125: 	    &Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
                   1126: 	} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1127: 		 && !exists($env{'form.cancel'})) {
1.20      albertel 1128: 	    my $optional_required=
                   1129: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                   1130: 					   $safeeval);
                   1131: 	    my $optional_passed=0;
                   1132: 	    my $mandatory_failed=0;
                   1133: 	    my $ungraded=0;
                   1134: 	    my $review=0;   
1.21      albertel 1135: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.194     albertel 1136: 	    my $dim = $top;
                   1137: 	    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
                   1138: 		my $link=&link($id);
                   1139: 
                   1140: 		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1141: 
                   1142: 		if ($type eq 'criteria') {
                   1143: 		    # dimensional 'criteria' don't get assigned grades
                   1144: 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"}=$env{'form.HWVAL_'.$link};
                   1145: 		    $Apache::lonhomework::results{"resource.$version.0.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   1146: 		} 
1.20      albertel 1147: 		my $status=
1.194     albertel 1148: 		    $Apache::lonhomework::results{"resource.$version.0.$id.status"};
                   1149: 		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   1150: 
1.20      albertel 1151: 		if ($status eq 'pass') {
                   1152: 		    if (!$mandatory) { $optional_passed++; }
                   1153: 		} elsif ($status eq 'fail') {
                   1154: 		    if ($mandatory) { $mandatory_failed++; }
1.194     albertel 1155: 		} elsif ($status eq 'review') {
                   1156: 		    $review++;
1.20      albertel 1157: 		} elsif ($status eq 'ungraded') {
                   1158: 		    $ungraded++;
1.49      albertel 1159: 		} else {
                   1160: 		    $ungraded++;
                   1161: 		}
1.20      albertel 1162: 	    }
                   1163: 	    if ($optional_passed < $optional_required) {
                   1164: 		$mandatory_failed++;
                   1165: 	    }
1.194     albertel 1166: 	    &Apache::lonxml::debug(" task results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.89      albertel 1167: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.138     albertel 1168: 		$env{'user.name'}.':'.$env{'user.domain'};
1.20      albertel 1169: 	    if ($review) {
1.89      albertel 1170: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.20      albertel 1171: 	    } elsif ($ungraded) {
1.89      albertel 1172: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.20      albertel 1173: 	    } elsif ($mandatory_failed) {
1.89      albertel 1174: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel 1175: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                   1176: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                   1177: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.185     albertel 1178: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.52      albertel 1179: 		
                   1180: 		if ($env{'form.regrade'} ne 'yes') {
                   1181: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1182: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1183: 		    &Apache::grades::version_portfiles(
                   1184: 						       \%Apache::lonhomework::results,
                   1185: 						       ["$version.0.bridgetask"],$courseid,
                   1186: 						       $symb,$udom,$uname,
                   1187: 						       ["$version.0.bridgetask"]);
                   1188: 		}
1.20      albertel 1189: 	    } else {
1.89      albertel 1190: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel 1191: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                   1192: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                   1193: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.185     albertel 1194: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
1.52      albertel 1195: 		if ($env{'form.regrade'} ne 'yes') {
                   1196: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1197: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1198: 		    &Apache::grades::version_portfiles(
                   1199: 						       \%Apache::lonhomework::results,
                   1200: 						       ["$version.0.bridgetask"],$courseid,
                   1201: 						       $symb,$udom,$uname,
                   1202: 						       ["$version.0.bridgetask"]);
                   1203: 		}
1.20      albertel 1204: 	    }
1.89      albertel 1205: 	    $Apache::lonhomework::results{"resource.0.status"}=
                   1206: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel 1207: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel 1208: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel 1209: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel 1210: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel 1211: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel 1212: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel 1213: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel 1214: 	    }
1.94      albertel 1215: 	    &minimize_storage();
1.21      albertel 1216: 	    &Apache::structuretags::finalize_storage();
1.188     albertel 1217: 	    
                   1218: 	    # data stored, now handle queue
                   1219: 	    if ($review) {
                   1220: 		if ($env{'form.queue'} eq 'reviewqueue') {
                   1221: 		    &check_queue_unlock($env{'form.queue'});
                   1222: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                   1223: 		} else {
                   1224: 		    if ($env{'form.queue'} ne 'none') {
                   1225: 			&move_between_queues($env{'form.queue'},'reviewqueue');
                   1226: 		    } else {
                   1227: 			&add_to_queue('reviewqueue',\%queue_data);
                   1228: 		    }
                   1229: 		}
                   1230: 	    } elsif ($ungraded) {
                   1231: 		if ($env{'form.queue'} eq 'reviewqueue') {
                   1232: 		    &Apache::lonxml::debug("moving back.");
                   1233: 		    &move_between_queues($env{'form.queue'},
                   1234: 					 'gradingqueue');
                   1235: 		} elsif ($env{'form.queue'} eq 'none' ) {
                   1236: 		    &add_to_queue('gradingqueue',\%queue_data);	
                   1237: 		} else {
                   1238: 		    &check_queue_unlock($env{'form.queue'});
                   1239: 		}
                   1240: 	    } elsif ($mandatory_failed) {
                   1241: 		&remove_from_queue($env{'form.queue'}); 
                   1242: 	    } else {
                   1243: 		&remove_from_queue($env{'form.queue'});
                   1244: 	    }
1.20      albertel 1245: 	}
1.184     albertel 1246: 	if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
                   1247: 	    # instance generation occured and hasn't yet been stored
                   1248: 	    &Apache::structuretags::finalize_storage();
                   1249: 	}
1.15      albertel 1250:     } elsif ($target eq 'webgrade') {
1.194     albertel 1251: 	$result.=&Apache::lonxml::endredirection();
                   1252: 	my $dim = $top;
                   1253: 	foreach my $id (@{$dimension{$dim}{'criterias'}} ) {
                   1254: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   1255: 	    if ($type eq 'dimension') {
                   1256: 		# dimensional 'criteria' don't get assigned grades
                   1257: 		next;
                   1258: 	    } else {
                   1259: 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   1260: 					     [@_]);
                   1261: 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
                   1262: 		my $internal_location=&internal_location($id);
                   1263: 		$result=~s/\Q$internal_location\E/$criteria/;
                   1264: 	    }
                   1265: 	}
                   1266:         $result.="</div>";
1.20      albertel 1267: 	#$result.='<input type="submit" name="next" value="'.
                   1268: 	#    &mt('Save &amp; Next').'" /> ';
                   1269: 	#$result.='<input type="submit" name="end" value="'.
                   1270: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1271: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1272: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1273: 	#$result.='<input type="submit" name="save" value="'.
                   1274: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel 1275: 	$result.='</form>'."\n</div>\n</div>\n".
1.140     albertel 1276: 	    &Apache::loncommon::end_page();
1.1       albertel 1277:     } elsif ($target eq 'meta') {
1.70      albertel 1278: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1279:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1280: 						      'Problem Status');
                   1281: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1282: 						      'Number of Attempts');
                   1283: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1284: 						      'Partial Credit Factor');
                   1285: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1286: 						      'Bridge Task Status');
1.182     albertel 1287:     } elsif ($target eq 'edit') {
                   1288: 	&Apache::structuretags::reset_problem_globals('Task');
                   1289: 	undef($Apache::lonhomework::parsing_a_task);
                   1290: 	return ('','no');
1.1       albertel 1291:     }
1.179     albertel 1292:     &Apache::structuretags::reset_problem_globals('Task');
1.4       albertel 1293:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1294:     return $result;
                   1295: }
                   1296: 
1.31      albertel 1297: sub move_between_queues {
                   1298:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1299:     my $cur_data;
                   1300:     if ($src_queue ne 'none') {
                   1301: 	$cur_data=&get_queue_data($src_queue);
                   1302: 	if (!$cur_data) { return 'not_exist'; }
                   1303:     } else {
                   1304: 	$cur_data = ['none'];
                   1305:     }
1.148     albertel 1306:     my $result=&add_to_queue($dest_queue,$cur_data);
1.31      albertel 1307:     if ($result ne 'ok') {
                   1308: 	return $result;
                   1309:     }
                   1310:     &check_queue_unlock($src_queue);
                   1311:     return &remove_from_queue($src_queue);
1.21      albertel 1312: }
                   1313: 
                   1314: sub check_queue_unlock {
1.32      albertel 1315:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1316:     if ($queue eq 'none') { return 'ok'; }
1.185     albertel 1317:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.32      albertel 1318:     if (!defined($key)) {
1.138     albertel 1319: 	$key="$symb\0queue\0$uname:$udom";
1.32      albertel 1320:     }
1.30      albertel 1321:     my $cnum=$env{'course.'.$cid.'.num'};
                   1322:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1323:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.30      albertel 1324:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1325:     if  ($who eq $me) {
1.163     albertel 1326: 	&Apache::lonxml::debug("unlocking my own $who");
1.32      albertel 1327: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1328:     } elsif ($allow_not_me) {
1.33      albertel 1329: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1330: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1331:     }
1.32      albertel 1332:     return 'not_owner';
1.21      albertel 1333: }
                   1334: 
1.88      albertel 1335: sub in_queue {
                   1336:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1337:     if ($queue eq 'none') { return 0; }
                   1338:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1339: 	|| !defined($udom) || !defined($uname)) {
1.185     albertel 1340: 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.88      albertel 1341: 	$cnum=$env{'course.'.$cid.'.num'};
                   1342: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1343:     }
                   1344: 
                   1345:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1346:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1347: 
                   1348:     if (defined($results{$key})) {
                   1349: 	return 1;
                   1350:     }
                   1351:     return 0;
                   1352: }
                   1353: 
1.21      albertel 1354: sub remove_from_queue {
1.86      albertel 1355:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1356:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1357:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1358: 	|| !defined($udom) || !defined($uname)) {
1.185     albertel 1359: 	($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.86      albertel 1360: 	$cnum=$env{'course.'.$cid.'.num'};
                   1361: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1362:     }
1.88      albertel 1363:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1364: 	return 'ok';
                   1365:     }
1.86      albertel 1366:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1367:     my @keys=($key,"$key\0locked");
1.31      albertel 1368:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1369: }
                   1370: 
1.16      albertel 1371: sub setup_env_for_other_user {
                   1372:     my ($queue_key,$safeeval)=@_;
                   1373:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1374:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1375:     $env{'form.grade_symb'}=$symb;
                   1376:     $env{'form.grade_domain'}=$udom;
                   1377:     $env{'form.grade_username'}=$uname;
                   1378:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1379:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1380: }
                   1381: 
1.31      albertel 1382: sub get_queue_data {
1.165     albertel 1383:     my ($queue,$udom,$uname)=@_;
1.185     albertel 1384:     my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonnet::whichuser();
1.165     albertel 1385:     if (!$uname || !$udom) {
                   1386: 	$uname=$other_uname;
                   1387: 	$udom =$other_udom;
                   1388:     }
1.31      albertel 1389:     my $cnum=$env{'course.'.$cid.'.num'};
                   1390:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1391:     my $todo="$symb\0queue\0$uname:$udom";
1.31      albertel 1392:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1393:     if ($key eq $todo && ref($value)) {
                   1394: 	return $value;
                   1395:     }
                   1396:     return undef;
                   1397: }
                   1398: 
1.84      albertel 1399: 
1.49      albertel 1400: sub check_queue_for_key {
1.84      albertel 1401:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1402: 
1.49      albertel 1403:     my %results=
                   1404: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1405:     
                   1406:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1407: 	if (defined($results{"$todo\0locked"})) {
                   1408: 	    return 'locked';
                   1409: 	}
1.148     albertel 1410: 	if (my $slot=&slotted_access($results{$todo})) {
1.86      albertel 1411: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1412: 	    if ($slot_data{'endtime'} > time) { 
                   1413: 		return 'in_progress';
                   1414: 	    }
1.148     albertel 1415: 	} else {
                   1416: 	    my ($symb) = &decode_queue_key($todo);
                   1417: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1418: 	    if ($due_date > time) {
                   1419: 		return 'in_progress';
                   1420: 	    }
1.58      albertel 1421: 	}
1.49      albertel 1422: 	return 'enqueued';
                   1423:     }
                   1424:     return undef;
                   1425: }
                   1426: 
1.14      albertel 1427: sub add_to_queue {
1.82      albertel 1428:     my ($queue,$user_data)=@_;
1.49      albertel 1429:     if ($queue eq 'none') { return 'ok'; }
1.185     albertel 1430:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.82      albertel 1431:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1432: 	return 'no_queue';
                   1433:     }
1.14      albertel 1434:     my $cnum=$env{'course.'.$cid.'.num'};
                   1435:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1436:     my %data;
1.138     albertel 1437:     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
1.83      albertel 1438:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1439: }
                   1440: 
1.156     albertel 1441: sub get_limited_classlist {
                   1442:     my ($sections) = @_;
                   1443: 
                   1444:     my $classlist = &Apache::loncoursedata::get_classlist();
1.157     albertel 1445:     foreach my $student (keys(%$classlist)) {
                   1446: 	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
                   1447: 	     ne 'Active') {
                   1448: 	    delete($classlist->{$student});
                   1449:        	}
                   1450:     }
1.156     albertel 1451: 
1.157     albertel 1452:     if (ref($sections) && !grep('all',@{ $sections })) {
1.156     albertel 1453: 	foreach my $student (keys(%$classlist)) {
                   1454: 	    my $section  = 
                   1455: 		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
                   1456: 	    if (! grep($section,@{ $sections })) {
                   1457: 		delete($classlist->{$student});
                   1458: 	    }
                   1459: 	}
                   1460:     }
                   1461:     return $classlist;
                   1462: }
                   1463: 
                   1464: 
1.14      albertel 1465: sub show_queue {
1.32      albertel 1466:     my ($queue,$with_selects)=@_;
1.14      albertel 1467:     my $result;
1.185     albertel 1468:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.14      albertel 1469:     my $cnum=$env{'course.'.$cid.'.num'};
                   1470:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1471: 
                   1472:     my @chosen_sections=
                   1473: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1474: 
                   1475:     my $classlist = &get_limited_classlist(\@chosen_sections);
                   1476: 
1.63      albertel 1477:     if (!(grep(/^all$/,@chosen_sections))) {
                   1478: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1479: 	    '</tt>.</p> '."\n";
                   1480:     }
1.59      albertel 1481: 
1.156     albertel 1482:     my ($view,$view_section);
                   1483:     my $scope = $env{'request.course.id'};
                   1484:     if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
                   1485: 	$scope .= '/'.$env{'request.course.sec'};
                   1486: 	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
                   1487: 	    $view_section=$env{'request.course.sec'};
                   1488: 	} else {
                   1489: 	    undef($view);
                   1490: 	}
                   1491:     }
                   1492: 
1.16      albertel 1493:     my $regexp="^$symb\0";
1.30      albertel 1494:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1495:     my ($tmp)=%queue;
                   1496:     if ($tmp=~/^error: 2 /) {
1.159     albertel 1497: 	return "\n<h3>Current Queue - $queue</h3>".
                   1498: 	    &Apache::loncommon::start_data_table().
                   1499: 	    &Apache::loncommon::start_data_table_row().
                   1500: 	    '<td>'.&mt('Empty').'</td>'.
                   1501: 	    &Apache::loncommon::end_data_table_row().
                   1502: 	    &Apache::loncommon::end_data_table();
1.31      albertel 1503:     }
1.103     albertel 1504:     my $title=&Apache::lonnet::gettitle($symb);
1.159     albertel 1505:     $result.="\n<h3>Current Queue - $title $queue </h3>".
                   1506: 	&Apache::loncommon::start_data_table().
                   1507: 	&Apache::loncommon::start_data_table_header_row();
1.103     albertel 1508:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
1.159     albertel 1509:     $result.="<th>user</th><th>data</th>".
                   1510: 	&Apache::loncommon::end_data_table_header_row();
1.14      albertel 1511:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1512: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1513: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.156     albertel 1514: 	
                   1515: 	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
                   1516: 
                   1517: 	my $can_view=1;
                   1518: 	if (!$view
                   1519: 	    || ($view_section && !$section)
                   1520: 	    || ($view_section && $section && ($view_section ne $section))) {
                   1521: 	    $can_view=0;
                   1522: 	}
                   1523: 
1.32      albertel 1524: 	if ($key=~/locked$/ && !$with_selects) {
1.159     albertel 1525: 	    $result.= &Apache::loncommon::start_data_table_row().
                   1526: 		"<td>$uname</td>";
1.103     albertel 1527: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1528: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.159     albertel 1529: 	    $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
1.103     albertel 1530: 	    $result.='<td>'.
1.16      albertel 1531: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1532: 	} elsif ($key!~/(timestamp|locked)$/) {
1.159     albertel 1533: 	    $result.= &Apache::loncommon::start_data_table_row();
1.148     albertel 1534: 	    my ($end_time,$slot_text);
                   1535: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1536: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1537: 		$end_time = $slot_data{'endtime'};
                   1538: 		$slot_text = &mt('Slot: [_1]',$slot);
                   1539: 	    } else {
                   1540: 		$end_time = &Apache::lonhomework::due_date('0',$symb);
                   1541: 		$slot_text = '';
                   1542: 	    }
1.32      albertel 1543: 	    if ($with_selects) {
1.158     www      1544: 		my $ekey=&escape($key);
1.103     albertel 1545: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1546: 		if (exists($queue{"$key\0locked"})) {
1.138     albertel 1547: 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.103     albertel 1548: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1549: 		    if ($me eq $queue{"$key\0locked"}) {
                   1550: 			($action,$description)=('resume',&mt('Resume'));
                   1551: 		    } else {
                   1552: 			($action,$description)=('unlock',&mt('Unlock'));
                   1553: 		    }
                   1554: 		}
1.62      albertel 1555: 		my $seclist;
                   1556: 		foreach my $sec (@chosen_sections) {
                   1557: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1558:                                value="'.$sec.'" />';
                   1559: 		}
1.156     albertel 1560: 		if ($can_view && ($end_time ne '' && time > $end_time)) {
1.35      albertel 1561: 		    $result.=(<<FORM);
1.103     albertel 1562: <td>$status</td>
1.32      albertel 1563: <td>
1.115     albertel 1564: <form style="display: inline" method="post">
1.32      albertel 1565:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1566:  <input type="hidden" name="queue" value="$queue" />
                   1567:  <input type="hidden" name="gradingaction" value="$action" />
                   1568:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1569:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1570:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1571:  $seclist
1.32      albertel 1572: </form>
                   1573: </td>
                   1574: FORM
1.156     albertel 1575:                 } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
                   1576: 		    $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
1.35      albertel 1577:                 } else {
1.148     albertel 1578: 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
1.35      albertel 1579: 		}
1.32      albertel 1580: 	    }
1.156     albertel 1581: 	    $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
1.138     albertel 1582: 		" <tt>($uname:$udom)</tt> </td>";
1.148     albertel 1583: 	    $result.='<td>'.$slot_text.' End time: '.
                   1584: 		&Apache::lonlocal::locallocaltime($end_time).
1.159     albertel 1585: 		"</td>".&Apache::loncommon::end_data_table_row();
1.16      albertel 1586: 	}
1.14      albertel 1587:     }
1.159     albertel 1588:     $result.= &Apache::loncommon::end_data_table()."<hr />\n";
1.14      albertel 1589:     return $result;
                   1590: }
                   1591: 
1.34      albertel 1592: sub get_queue_counts {
                   1593:     my ($queue)=@_;
                   1594:     my $result;
1.185     albertel 1595:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.34      albertel 1596:     my $cnum=$env{'course.'.$cid.'.num'};
                   1597:     my $cdom=$env{'course.'.$cid.'.domain'};
1.156     albertel 1598: 
1.157     albertel 1599:     my $classlist=&get_limited_classlist();
1.156     albertel 1600: 
1.34      albertel 1601:     my $regexp="^$symb\0";
                   1602:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1603:     my ($tmp)=%queue;
                   1604:     if ($tmp=~/^error: 2 /) {
                   1605: 	return (0,0,0);
                   1606:     }
                   1607:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1608:     my %slot_cache;
1.34      albertel 1609:     foreach my $key (sort(keys(%queue))) {
1.156     albertel 1610: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1611: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.34      albertel 1612: 	if ($key=~/locked$/) {
                   1613: 	    $locks++;
                   1614: 	} elsif ($key=~/timestamp$/) {
                   1615: 	    #ignore
                   1616: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1617: 	    $entries++;
1.148     albertel 1618: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1619: 		if (!exists($slot_cache{$slot})) {
                   1620: 		    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1621: 		    $slot_cache{$slot} = \%slot_data;
                   1622: 		}
                   1623: 		if (time > $slot_cache{$slot}{'endtime'}) {
                   1624: 		    $ready_to_grade++;
                   1625: 		}
                   1626: 	    } else {
                   1627: 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1628: 		if ($due_date ne '' && time > $due_date) {
                   1629: 		    $ready_to_grade++;
                   1630: 		}
1.34      albertel 1631: 	    }
                   1632: 	}
                   1633:     }
                   1634:     return ($entries,$ready_to_grade,$locks);
                   1635: }
                   1636: 
1.49      albertel 1637: sub encode_queue_key {
                   1638:     my ($symb,$udom,$uname)=@_;
1.138     albertel 1639:     return "$symb\0queue\0$uname:$udom";
1.49      albertel 1640: }
                   1641: 
1.14      albertel 1642: sub decode_queue_key {
                   1643:     my ($key)=@_;
                   1644:     my ($symb,undef,$user) = split("\0",$key);
1.138     albertel 1645:     my ($uname,$udom) = split(':',$user);
1.14      albertel 1646:     return ($symb,$uname,$udom);
                   1647: }
                   1648: 
                   1649: sub queue_key_locked {
1.30      albertel 1650:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1651:     if (!defined($cdom) || !defined($cnum)) {
1.185     albertel 1652: 	my (undef,$cid)=&Apache::lonnet::whichuser();
1.33      albertel 1653: 	$cnum=$env{'course.'.$cid.'.num'};
                   1654: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1655:     }
1.14      albertel 1656:     my ($key_locked,$value)=
1.30      albertel 1657: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1658:     if ($key_locked eq "$key\0locked") {
                   1659: 	return $value;
                   1660:     }
                   1661:     return undef;
                   1662: }
                   1663: 
1.148     albertel 1664: sub slotted_access {
                   1665:     my ($queue_entry) = @_;
                   1666:     if (ref($queue_entry) eq 'ARRAY') {
                   1667: 	if (defined($queue_entry->[0])) {
                   1668: 	    return $queue_entry->[0];
                   1669: 	}
                   1670: 	return undef;
                   1671:     } elsif (ref($queue_entry) eq 'HASH') {
                   1672: 	if (defined($queue_entry->{'slot'})) {
                   1673: 	    return $queue_entry->{'slot'};
                   1674: 	}
                   1675: 	return undef;
                   1676:     }
                   1677:     return undef;
                   1678: }
                   1679: 
1.14      albertel 1680: sub pick_from_queue_data {
1.156     albertel 1681:     my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
1.98      albertel 1682:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1683:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1684: 	if ($key =~ /\0locked$/) { next; }
                   1685: 	if ($key =~ /\0timestamp$/) { next; }
1.156     albertel 1686: 
1.14      albertel 1687: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
1.156     albertel 1688: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
                   1689: 
1.14      albertel 1690: 	if ($check_section) {
1.156     albertel 1691: 	    my $section =
                   1692: 		$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
1.17      albertel 1693: 	    if ($section eq $check_section) {
1.33      albertel 1694: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1695: 		next;
                   1696: 	    }
1.14      albertel 1697: 	}
1.148     albertel 1698: 	my $end_time;
                   1699: 	if (my $slot=&slotted_access($queuedata->{$key})) {
1.154     albertel 1700: 	    &Apache::lonxml::debug("looking at slot $slot");
1.148     albertel 1701: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1702: 	    if ($slot_data{'endtime'} < time) { 
                   1703: 		$end_time = $slot_data{'endtime'};
1.154     albertel 1704: 	    } else {
                   1705: 		&Apache::lonxml::debug("not time ".$slot_data{'endtime'});
                   1706: 		next;
1.148     albertel 1707: 	    }
                   1708: 	} else {
                   1709: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
1.154     albertel 1710: 	    if ($due_date < time) {
1.148     albertel 1711: 		$end_time = $due_date;
1.154     albertel 1712: 	    } else {
                   1713: 		&Apache::lonxml::debug("not time $due_date");
                   1714: 		next;
1.148     albertel 1715: 	    }
                   1716: 	}
                   1717: 	
1.98      albertel 1718: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1719: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1720: 	    next;
                   1721: 	}
1.148     albertel 1722: 	push(@possible,[$key,$end_time]);
1.98      albertel 1723:     }
                   1724:     if (@possible) {
                   1725:         # sort entries in order by slot end time
                   1726: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
1.137     albertel 1727: 	# pick one of the entries in the top 10% in small queues and one
                   1728: 	# of the first ten entries in large queues
1.139     albertel 1729: 	#my $ten_percent = int($#possible * 0.1);
                   1730: 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
                   1731: 	#if ($ten_percent > 10) { $ten_percent = 10; }
                   1732: 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
1.137     albertel 1733: 	
1.139     albertel 1734: 	#return $possible[int(rand($max))][0];
                   1735: 	return $possible[0][0];
1.14      albertel 1736:     }
                   1737:     return undef;
                   1738: }
                   1739: 
1.15      albertel 1740: sub find_mid_grade {
1.30      albertel 1741:     my ($queue,$symb,$cdom,$cnum)=@_;
1.158     www      1742:     my $todo=&unescape($env{'form.gradingkey'});
1.138     albertel 1743:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.15      albertel 1744:     if ($todo) {
1.30      albertel 1745: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1746: 	if ($who eq $me) { return $todo; }
                   1747:     }
                   1748:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1749:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1750:     foreach my $key (keys(%locks)) {
                   1751: 	my $who=$locks{$key};
                   1752: 	if ($who eq $me) {
                   1753: 	    $todo=$key;
                   1754: 	    $todo=~s/\0locked$//;
                   1755: 	    return $todo;
                   1756: 	}
                   1757:     }
                   1758:     return undef;
                   1759: }
                   1760: 
1.32      albertel 1761: sub lock_key {
                   1762:     my ($queue,$todo)=@_;
1.138     albertel 1763:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.185     albertel 1764:     my (undef,$cid)=&Apache::lonnet::whichuser();
1.32      albertel 1765:     my $cnum=$env{'course.'.$cid.'.num'};
                   1766:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1767:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1768: 					$cdom,$cnum);
1.33      albertel 1769:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1770:     if ($success eq 'ok') {
                   1771: 	return 1;
                   1772:     }
                   1773:     return 0;
                   1774: }
                   1775: 
1.86      albertel 1776: sub get_queue_symb_status {
1.85      albertel 1777:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1778:     if (!defined($cdom) || !defined($cnum)) {
1.185     albertel 1779: 	my (undef,$cid)=&Apache::lonnet::whichuser();
1.85      albertel 1780: 	$cnum=$env{'course.'.$cid.'.num'};
                   1781: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1782:     }
1.157     albertel 1783:     my $classlist=&get_limited_classlist();
1.156     albertel 1784: 
1.85      albertel 1785:     my $regexp="^$symb\0";
                   1786:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1787:     my ($tmp)=%queue;
                   1788:     if ($tmp=~/^error: 2 /) { return; }
                   1789:     my @users;
                   1790:     foreach my $key (sort(keys(%queue))) {
                   1791: 	next if ($key=~/locked$/);
                   1792: 	next if ($key=~/timestamp$/);
                   1793: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
1.156     albertel 1794: 	next if (!defined($classlist->{$uname.':'.$udom}));
1.85      albertel 1795: 	push(@users,"$uname:$udom");
                   1796:     }
                   1797:     return @users;
                   1798: }
                   1799: 
1.14      albertel 1800: sub get_from_queue {
1.30      albertel 1801:     my ($queue)=@_;
1.14      albertel 1802:     my $result;
1.185     albertel 1803:     my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
1.14      albertel 1804:     my $cnum=$env{'course.'.$cid.'.num'};
                   1805:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1806:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1807:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1808:     if ($todo) { return $todo; }
1.95      albertel 1809:     my $attempts=0;
1.156     albertel 1810: 
1.157     albertel 1811:     my $classlist=&get_limited_classlist();
1.156     albertel 1812: 
1.14      albertel 1813:     while (1) {
1.95      albertel 1814: 	if ($attempts > 2) {
                   1815: 	    # tried twice to get a queue entry, giving up
                   1816: 	    return (undef,'unable');
                   1817: 	}
1.14      albertel 1818: 	my $starttime=time;
1.83      albertel 1819: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1820: 			      $cdom,$cnum);
1.33      albertel 1821: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1822: 	my $regexp="^$symb\0queue\0";
1.156     albertel 1823: 	#my $range= ($attempts < 1 ) ? '0-100' : '0-400';
1.97      albertel 1824: 
1.98      albertel 1825: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1826: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1827: 	if ($env{'request.course.sec'}) {
1.33      albertel 1828: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1829: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1.156     albertel 1830: 					\%queue,$cdom,$cnum,$classlist);
1.33      albertel 1831: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1832: 	}
1.33      albertel 1833: 	# no one _not_ in our section so look for any user that is
                   1834: 	# ready for grading
1.14      albertel 1835: 	if (!$todo) {
1.33      albertel 1836: 	    &Apache::lonxml::debug("no sce");
1.156     albertel 1837: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
                   1838: 					$classlist);
1.33      albertel 1839: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1840: 	}
                   1841: 	# no user to grade 
                   1842: 	if (!$todo) { last; }
1.33      albertel 1843: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1844: 	# otherwise found someone so lets try to lock them
1.32      albertel 1845: 	# unless someone else already picked them
1.95      albertel 1846: 	if (!&lock_key($queue,$todo)) {
                   1847: 	    $attempts++;
                   1848: 	    next;
                   1849: 	}
1.14      albertel 1850: 	my (undef,$endtime)=
1.30      albertel 1851: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1852: 				 $cdom,$cnum);
1.33      albertel 1853: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1854: 	# someone else already modified the queue, 
                   1855: 	# perhaps our picked user wass already fully graded between
                   1856: 	# when we picked him and when we locked his record? so lets
                   1857: 	# double check.
                   1858: 	if ($endtime != $starttime) {
                   1859: 	    my ($key,$value)=
1.30      albertel 1860: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1861: 				     $cdom,$cnum);
1.33      albertel 1862: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1863: 	    if ($key eq $todo && ref($value)) {
                   1864: 	    } else {
1.30      albertel 1865: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1866: 				     $cdom,$cnum);
1.33      albertel 1867: 		&Apache::lonxml::debug("del");
1.95      albertel 1868: 		$attempts++;
1.14      albertel 1869: 		next;
                   1870: 	    }
                   1871: 	}
1.33      albertel 1872: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1873: 	last;
                   1874:     }
                   1875:     return $todo;
                   1876: }
                   1877: 
1.49      albertel 1878: sub select_user {
1.185     albertel 1879:     my ($symb,$cid)=&Apache::lonnet::whichuser();
1.49      albertel 1880: 
1.59      albertel 1881:     my @chosen_sections=
                   1882: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1883: 
                   1884:     my $classlist = &get_limited_classlist(\@chosen_sections);
1.63      albertel 1885:     
                   1886:     my $result;
                   1887:     if (!(grep(/^all$/,@chosen_sections))) {
                   1888: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1889: 	    '</tt>.</p> '."\n";
                   1890:     }
1.159     albertel 1891:     $result.=&Apache::loncommon::start_data_table();
1.49      albertel 1892: 
1.156     albertel 1893:     foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
1.49      albertel 1894: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1895: 	
1.84      albertel 1896: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1897: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1898: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1899: 					 'Task');
1.49      albertel 1900: 	my $queue = 'none';
1.58      albertel 1901: 	my $cannot_grade;
                   1902: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1903: 	    $queue = 'reviewqueue';
1.58      albertel 1904: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1905: 		$cannot_grade=1;
                   1906: 	    }
                   1907: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1908: 	    $queue = 'gradingqueue';
1.58      albertel 1909: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1910: 		$cannot_grade=1;
                   1911: 	    }
1.49      albertel 1912: 	}
                   1913: 	my $todo = 
1.158     www      1914: 	    &escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1915: 	if ($cannot_grade) {
1.159     albertel 1916: 	    $result.=&Apache::loncommon::start_data_table_row().
                   1917: 		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
1.58      albertel 1918: 		'</td><td>';
                   1919: 	} else {
1.62      albertel 1920: 	    my $seclist;
                   1921: 	    foreach my $sec (@chosen_sections) {
                   1922: 		$seclist.='<input type="hidden" name="chosensections" 
                   1923:                                value="'.$sec.'" />';
                   1924: 	    }
1.159     albertel 1925: 	    $result.=&Apache::loncommon::start_data_table_row();
1.58      albertel 1926: 	    $result.=<<RESULT;
1.49      albertel 1927:   <td>
1.115     albertel 1928:     <form style="display: inline" method="post">
1.49      albertel 1929:       <input type="hidden" name="gradingkey" value="$todo" />
                   1930:       <input type="hidden" name="queue" value="$queue" />
                   1931:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1932:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1933:       <input type="submit" name="submit" value="Regrade" />
                   1934:       $seclist
1.49      albertel 1935:     </form>
1.155     albertel 1936:   <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
1.49      albertel 1937:   <td>
                   1938: RESULT
1.58      albertel 1939:         }
1.49      albertel 1940:         if ($status{'status'} eq 'pass') {
                   1941: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1942: 	} elsif ($status{'status'} eq 'fail') {
                   1943: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1944: 	} elsif ($status{'status'} eq 'review') {
                   1945: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1946: 	} elsif ($status{'status'} eq 'ungraded') {
                   1947: 	    $result .= &mt('Ungraded');
                   1948: 	} elsif ($status{'status'} ne '') {
                   1949: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1950: 	} else {
                   1951: 	    $result.="&nbsp;";
                   1952: 	}
                   1953: 	if ($status{'version'}) {
                   1954: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1955: 	}
1.101     albertel 1956: 	if ($status{'grader'}) {
                   1957: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1958: 	}
1.49      albertel 1959: 	$result.= '</td><td>';
                   1960: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1961: 	    $result .= &mt('Awaiting Review');
                   1962: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1963: 	    $result .= &mt('Under Review');
1.58      albertel 1964: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1965: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1966: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1967: 	    $result .= &mt('Awaiting Grading');
                   1968: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1969: 	    $result .= &mt('Being Graded');
1.58      albertel 1970: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1971: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1972: 	} else {
                   1973: 	    $result.="&nbsp;";
                   1974: 	}
1.159     albertel 1975: 	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
1.49      albertel 1976:     }
1.159     albertel 1977:     $result.=&Apache::loncommon::end_data_table();
1.49      albertel 1978:     return $result;
                   1979: }
                   1980: 
                   1981: sub get_student_status {
1.86      albertel 1982:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1983: 
                   1984:     my %status;
                   1985: 
                   1986:     if ($type eq 'Task') {
                   1987: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1988: 					  $udom,$uname);
1.89      albertel 1989: 	$status{'status'}=$record{'resource.0.status'};
                   1990: 	$status{'version'}=$record{'resource.0.version'};
                   1991: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1992:     }
                   1993:     $status{'reviewqueue'}=
                   1994: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1995: 			     &encode_queue_key($symb,$udom,$uname));
                   1996:     $status{'gradingqueue'}=
                   1997: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1998: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1999:     return %status;
                   2000: }
                   2001: 
1.1       albertel 2002: sub start_ClosingParagraph {
                   2003:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2004:     my $result;
                   2005:     if ($target eq 'web') {
1.13      albertel 2006:     } elsif ($target eq 'webgrade') {
                   2007: 	&Apache::lonxml::startredirection();
1.1       albertel 2008:     }
                   2009:     return $result;
                   2010: }
                   2011: 
                   2012: sub end_ClosingParagraph {
                   2013:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2014:     my $result;
                   2015:     if ($target eq 'web') {
1.13      albertel 2016:     } elsif ($target eq 'webgrade') {
                   2017: 	&Apache::lonxml::endredirection();
1.1       albertel 2018:     }
                   2019:     return $result;
                   2020: }
                   2021: 
1.168     albertel 2022: sub get_dim_id {
1.194     albertel 2023:     if (@Apache::bridgetask::dimension) {
                   2024: 	return $Apache::bridgetask::dimension[-1];
                   2025:     } else {
                   2026: 	return $top;
                   2027:     }
1.168     albertel 2028: }
                   2029: 
1.19      albertel 2030: sub get_id {
                   2031:     my ($parstack,$safeeval)=@_;
                   2032:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   2033:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   2034:     return $id;
                   2035: }
                   2036: 
1.162     albertel 2037: sub start_Setup {
                   2038:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.168     albertel 2039:     #undef(%dimension);
                   2040:     my $dim = &get_id($parstack,$safeeval);
                   2041:     push(@Apache::bridgetask::dimension,$dim);
1.162     albertel 2042:     &Apache::lonxml::startredirection();
1.168     albertel 2043:     return &internal_location($dim);
1.162     albertel 2044: }
1.173     albertel 2045: 
                   2046: {
                   2047:     my @allowed;
                   2048:     sub enable_dimension_parsing {
                   2049: 	my ($id) = @_;
                   2050: 	push(@allowed,$id);
                   2051:     }
                   2052:     sub disable_dimension_parsing {
                   2053: 	pop(@allowed);
                   2054:     }
                   2055:     sub skip_dimension_parsing {
                   2056: 	my ($check) = @_;
                   2057: 	if (!@allowed) { return 0;}
                   2058: 	# if unspecified allow any id
                   2059: 	if ($allowed[-1] eq undef) { return 0;}
                   2060: 
                   2061: 	return ($check ne $allowed[-1]);
                   2062:     }
                   2063: }
                   2064: 
1.151     albertel 2065: sub start_Question { return &start_Dimension(@_); }
1.1       albertel 2066: sub start_Dimension {
1.173     albertel 2067:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2068:     my $dim = &get_id($parstack,$safeeval);
                   2069:     my $previous_dim;
                   2070:     if (@Apache::bridgetask::dimension) {
                   2071: 	$previous_dim = $Apache::bridgetask::dimension[-1];
                   2072: 	push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
                   2073: 	     $dim);
1.173     albertel 2074: 	if(&skip_dimension_parsing($dim)) {
                   2075: 	    $dimension{$previous_dim}{'criteria.'.$dim} =
                   2076: 		$token->[4]
                   2077: 		.&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
                   2078: 					      $style)
                   2079: 		.'</'.$tagstack->[-1].'>';
                   2080: 	}
1.169     albertel 2081: 	$dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
                   2082: 	$dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
                   2083: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2084: 	push(@{$dimension{$previous_dim}{'criterias'}},$dim);
1.171     albertel 2085: 	$dimension{$dim}{'nested'}=$previous_dim;
1.196     albertel 2086: 	$dimension{$dim}{'depth'} = 1 + $dimension{$previous_dim}{'depth'};
1.197     albertel 2087: 
1.172     albertel 2088: 	&Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
1.168     albertel 2089:     } else {
1.196     albertel 2090: 	$dimension{$top}{'depth'}=0;
1.194     albertel 2091: 	$dimension{$top}{'criteria.'.$dim.'.type'}='dimension';
                   2092: 	$dimension{$top}{'criteria.'.$dim.'.mandatory'}=
1.168     albertel 2093: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.194     albertel 2094: 	push(@{$dimension{$top}{'criterias'}},$dim);
1.168     albertel 2095:     }
                   2096:     push(@Apache::bridgetask::dimension,$dim);
1.54      albertel 2097:     &Apache::lonxml::startredirection();
1.173     albertel 2098:     &enable_dimension_parsing($dim);
1.168     albertel 2099:     return &internal_location($dim);
1.1       albertel 2100: }
                   2101: 
1.160     albertel 2102: sub start_QuestionText {
                   2103:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2104:     my $dim = &get_dim_id();
1.160     albertel 2105:     my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
                   2106:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.169     albertel 2107: 	$dimension{$dim}{'questiontext'}=$text;
1.160     albertel 2108:     }
                   2109:     return '';
                   2110: }
                   2111: 
                   2112: sub end_QuestionText {
                   2113:     return '';
                   2114: }
                   2115: 
1.13      albertel 2116: sub get_instance {
1.75      albertel 2117:     my ($dim)=@_;
                   2118:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   2119:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   2120: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   2121: 	$rand_alg eq '64bit4' ) {
                   2122: 	&Apache::response::pushrandomnumber();
1.169     albertel 2123: 	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
1.75      albertel 2124: 	my $num=@order;
                   2125: 	my $version=&get_version();
                   2126: 	my $which=($version-1)%$num;
                   2127: 	return $order[$which];
                   2128:     } else {
                   2129: 	my ($version,$previous) = &get_version();
                   2130: 	my $instance = 
                   2131: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   2132: 	if (defined($instance)) { return $instance; }
                   2133: 
                   2134: 	&Apache::response::pushrandomnumber();
1.173     albertel 2135: 	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
                   2136: 	    my @instances = @{$dimension{$dim}{'instances'}};
                   2137: 	    # remove disabled instances
                   2138: 	    for (my $i=0; $i < $#instances; $i++) {
                   2139: 		if ($dimension{$dim}{$instances[$i].'.disabled'}) {
                   2140: 		    splice(@instances,$i,1);
                   2141: 		    $i--;
                   2142: 		}
                   2143: 	    }
                   2144: 	    @instances = &Math::Random::random_permutation(@instances);
                   2145: 	    $instance  = $instances[($version-1)%scalar(@instances)];
                   2146: 	    if ($version =~ /^\d$/) {
                   2147: 		$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   2148: 		    $instance;
                   2149: 		$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 2150: 	    }
                   2151: 	}
                   2152: 	&Apache::response::poprandomnumber();
                   2153: 	return $instance;
                   2154:     }
1.13      albertel 2155: }
                   2156: 
1.169     albertel 2157: sub get_criteria {
                   2158:     my ($what,$version,$dim,$id) = @_;
                   2159:     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
1.194     albertel 2160:     my $prefix = ($type eq 'criteria' && $dim ne $top) ? "$dim.$id"
                   2161: 	                                               : "$id";
1.169     albertel 2162:     my $entry = "resource.$version.0.$prefix.$what";
                   2163:     if (exists($Apache::lonhomework::results{$entry})) {
                   2164: 	return $Apache::lonhomework::results{$entry};
                   2165:     }
                   2166:     return $Apache::lonhomework::history{$entry};
                   2167: }
                   2168: 
1.194     albertel 2169: sub link {
                   2170:     my ($id) = @_;
                   2171:     $id =~ s/\./_/g;
                   2172:     return 'LC_GRADING_criteria_'.$id;
                   2173: }
                   2174: sub end_Question { return &end_Dimension(@_); }
                   2175: sub end_Dimension {
                   2176:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2177:     my $result=&Apache::lonxml::endredirection();
                   2178:     my $dim=&get_id($parstack,$safeeval);
                   2179:     if (&skip_dimension_parsing($dim)) {
                   2180: 	&disable_dimension_parsing($dim);
                   2181: 	pop(@Apache::bridgetask::dimension);
                   2182: 	return;
1.122     albertel 2183:     }
1.194     albertel 2184:     my $instance=&get_instance($dim);
                   2185:     my $version=&get_version();
                   2186:     if ($target eq 'web') {
                   2187: 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2188: 	my @instances = $instance;
                   2189: 	if (&Apache::response::showallfoils()) {
                   2190: 	    @instances = @{$dimension{$dim}{'instances'}};
1.173     albertel 2191: 	}
1.194     albertel 2192: 	my $shown_question_text;
                   2193: 	foreach my $instance (@instances) {
                   2194: 	    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2195: 				     [@_]);
                   2196: 	    $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2197: 				     [@_],{'set_dim_id' => undef});
                   2198: 	    my $task_status = 
                   2199: 		$Apache::lonhomework::history{"resource.$version.0.status"};
                   2200: 	    if ($task_status ne 'pass' && $task_status ne 'fail') {
                   2201: 		
                   2202: 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2203: 				@{$dimension{$dim}{'criterias'}}) {
                   2204: 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2205: 		    &Apache::lonxml::debug("$id is $type");
                   2206: 		    if ($type eq 'dimension') {
                   2207: 			$result.=
                   2208: 			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2209: 					  [@_],{'set_dim_id' => $id});
1.173     albertel 2210: 		    }
1.194     albertel 2211: 		}
                   2212: 	    } else {
                   2213: 		my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
                   2214: 		my $mandatory='Mandatory';
                   2215: 		if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
                   2216: 		    $mandatory='Optional';
                   2217: 		}
                   2218: 		my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
1.196     albertel 2219: 		my $question = ('sub' x $dimension{$dim}{'depth'}).'question';
1.197     albertel 2220: 		$question =~ s/^(.)/uc($1)/e;
1.194     albertel 2221: 		if ($dim_status eq 'pass') {
1.197     albertel 2222: 		    $dim_info.='<h3>'.$question.' : you passed this '.$mandatory.' question</h3>';
1.194     albertel 2223: 		}
                   2224: 		if ($dim_status eq 'fail') {
1.197     albertel 2225: 		    $dim_info.='<h3>'.$question.' : you did not pass this '.$mandatory.' question</h3>';
1.194     albertel 2226: 		}
1.197     albertel 2227: 		my %counts = &get_counts($dim,$instance,$parstack,
                   2228: 					 $safeeval);
                   2229: 
                   2230: 		$dim_info.="\n<p>"
                   2231: 		    .&question_status_message(\%counts,
                   2232: 					      $dimension{$dim}{'depth'})
                   2233: 		    ."</p>\n</div>";
1.194     albertel 2234: 		
                   2235: 		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2236: 				@{$dimension{$dim}{'criterias'}}) {
                   2237: 		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2238: 		    if ($type eq 'dimension') {
                   2239: 			$result.=$dimension{$id}{'result'};
                   2240: 			next;
                   2241: 		    }
                   2242: 		    my $criteria = 
1.173     albertel 2243: 			&nested_parse(\$dimension{$dim}{'criteria.'.$id},
1.194     albertel 2244: 				      [@_]);
                   2245: 		    $dim_info .= &layout_web_Criteria($dim,$id,$criteria);
1.169     albertel 2246: 		}
                   2247: 
1.194     albertel 2248: 		my $internal_location=&internal_location($dim);
                   2249: 		$result=~s/\Q$internal_location\E/$dim_info/;
1.19      albertel 2250: 	    }
1.194     albertel 2251: 	}
                   2252:     } elsif ($target eq 'webgrade') {
                   2253: 	# in case of any side effects that we need
                   2254: 	&nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2255: 	&nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
                   2256: 	$result.=
                   2257: 	    &nested_parse(\$dimension{$dim}{'questiontext'},[@_],
                   2258: 			  {'set_dim_id'          => undef,
1.195     albertel 2259: 			   'delayed_dim_results' => 1});
1.194     albertel 2260: 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2261: 			@{$dimension{$dim}{'criterias'}} ) {
                   2262: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2263: 	    if ($type eq 'dimension') {
                   2264: 		# dimensional 'criteria' don't get assigned grades
                   2265: 		$result.=
                   2266: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2267: 				  [@_],{'set_dim_id' => $id});
                   2268: 		next;
                   2269: 	    } else {
                   2270: 		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2271: 					     [@_]);
                   2272: 		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
                   2273: 		my $internal_location=&internal_location($id);
                   2274: 		$result=~s/\Q$internal_location\E/$criteria/;
1.151     albertel 2275: 	    }
1.194     albertel 2276: 	}
                   2277: 	if (&nest()) {
                   2278: 	    &Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
                   2279: 	    $dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
                   2280: 	    undef($result);
                   2281: 	}
                   2282:     } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
                   2283: 	my $optional_passed=0;
                   2284: 	my $mandatory_failed=0;
                   2285: 	my $ungraded=0;
                   2286: 	my $review=0;
                   2287: 	
                   2288: 	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
                   2289: 	$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
                   2290: 				 [@_]);
                   2291: 	$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
                   2292: 				 [@_],{'set_dim_id' => undef});
                   2293: 	
                   2294: 	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
                   2295: 			@{$dimension{$dim}{'criterias'}}) {
                   2296: 	    my $link=&link($id);
                   2297: 	    
                   2298: 	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
                   2299: 	    if ($type eq 'criteria') {
                   2300: 		# dimensional 'criteria' don't get assigned grades
                   2301: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
                   2302: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   2303: 	    } else {
                   2304: 		$result .=
                   2305: 		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
                   2306: 				  [@_],{'set_dim_id' => $id});
1.20      albertel 2307: 	    }
1.194     albertel 2308: 	    my $status= &get_criteria('status',$version,$dim,$id);
                   2309: 	    
                   2310: 	    my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   2311: 	    if ($status eq 'pass') {
                   2312: 		if (!$mandatory) { $optional_passed++; }
                   2313: 	    } elsif ($status eq 'fail') {
                   2314: 		if ($mandatory) { $mandatory_failed++; }
                   2315: 	    } elsif ($status eq 'review') {
                   2316: 		$review++;
                   2317: 	    } elsif ($status eq 'ungraded') {
                   2318: 		$ungraded++;
1.20      albertel 2319: 	    } else {
1.194     albertel 2320: 		$ungraded++;
1.20      albertel 2321: 	    }
1.194     albertel 2322: 	}
                   2323: 
                   2324: 	my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
                   2325: 	if ($opt_req !~ /\S/) {
                   2326: 	    $opt_req=
                   2327: 		&Apache::lonxml::get_param('OptionalRequired',
                   2328: 					   $parstack,$safeeval);
                   2329: 	    if ($opt_req !~ /\S/) { $opt_req = 0; }
                   2330: 	}
                   2331: 	if ($optional_passed < $opt_req) {
                   2332: 	    $mandatory_failed++;
                   2333: 	}
                   2334: 	&Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
                   2335: 	if ($review) {
                   2336: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2337: 		'review';
                   2338: 	} elsif ($ungraded) {
                   2339: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2340: 		'ungraded';
                   2341: 	} elsif ($mandatory_failed) {
                   2342: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2343: 		'fail';
1.69      albertel 2344: 	} else {
1.194     albertel 2345: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
                   2346: 		'pass';
1.13      albertel 2347: 	}
1.194     albertel 2348:     } else {
                   2349: 	# any other targets no output
                   2350: 	undef($result);
1.1       albertel 2351:     }
1.194     albertel 2352:     &disable_dimension_parsing();
                   2353:     pop(@Apache::bridgetask::dimension);
                   2354:     return $result;
                   2355: }
1.162     albertel 2356: 
1.198     albertel 2357: sub question_status_message {
1.197     albertel 2358:     my ($counts,$depth) = @_;
                   2359:     my %req  = ('man' => 'mandatory',
                   2360: 		'opt' => 'optional',);
                   2361:     my %type = ('cri' => 'criteria',
                   2362: 		'dim' => ('sub'x($depth+1)).'questions',);
                   2363:     my @sections;
                   2364:     foreach my $req ('man','opt') {
                   2365: 	foreach my $type ('cri','dim') {
                   2366: 	    if ($counts->{$req.'_'.$type}) {
                   2367: 		push(@sections,
                   2368: 		     $counts->{$req.'_'.$type.'_passed'}.' of '.
                   2369: 		     $counts->{$req.'_'.$type}.' '.
                   2370: 		     $req{$req}.' '.$type{$type});
                   2371: 	    }
                   2372: 	}
                   2373:     }
                   2374: 
                   2375:     my $status = 'You passed ';
                   2376:     if (@sections == -1) {
                   2377:     } elsif (@sections == 1) {
                   2378: 	$status .= $sections[0];
                   2379:     } elsif (@sections == 2) {
                   2380: 	$status .= $sections[0].' and '.$sections[1];
                   2381:     } else {
                   2382: 	my $last = pop(@sections);
                   2383: 	$status .= join(', ',@sections).', and '.$last;
                   2384:     }
                   2385:     $status .= '.';
                   2386:     if ($counts->{'opt'}) {
                   2387: 	$status .= ' You were required to pass '.$counts->{'opt_req'}.
                   2388: 	    ' optional component'.($counts->{'opt_req'} == 1?'':'s');
                   2389:     }
                   2390:     return $status;
                   2391: }
                   2392: 
                   2393: sub get_counts {
                   2394:     my ($dim,$instance,$parstack,$safeeval) = @_;
                   2395:     my %counts;
                   2396:     my @possible = ('man_cri','man_dim',
                   2397: 		    'opt_cri','opt_dim',
                   2398: 		    'man_cri_passed', 'man_dim_passed',
                   2399: 		    'opt_cri_passed', 'opt_dim_passed',
                   2400: 		    'man_passed',
                   2401: 		    'opt_passed',
                   2402: 		    'opt_req');
                   2403:     foreach my $which (@possible) { $counts{$which} = 0; }
                   2404: 
                   2405:     my $version = &get_version();
                   2406: 
                   2407:     foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
                   2408: 		     @{$dimension{$dim}{'criterias'}} ) {
                   2409: 	my $status = &get_criteria('status',$version,$dim,$id);
                   2410: 	my $which;
                   2411: 	if ($dimension{$dim}{'criteria.'.$id.'.mandatory'} 
                   2412: 	    eq 'N') {
                   2413: 	    $which = 'opt';
                   2414: 	} else {
                   2415: 	    $which = 'man';
                   2416: 	}
                   2417: 	$counts{$which}++;
                   2418: 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
                   2419: 	if ($dimension{$dim}{'criteria.'.$id.'.type'}
                   2420: 	    eq 'dimension') {
                   2421: 	    $which .= '_dim';
                   2422: 	} else {
                   2423: 	    $which .= '_cri';
                   2424: 	}
                   2425: 	$counts{$which}++;
                   2426: 	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
                   2427: 
                   2428: 
                   2429:     }
                   2430:     if ($counts{'man_dim_passed'} eq $counts{'man_dim'}) {
                   2431: 	$counts{'man_dim_passed'}='all';
                   2432:     }
                   2433:     if ($counts{'man_cri_passed'} eq $counts{'man_cri'}) {
                   2434: 	$counts{'man_cri_passed'}='all';
                   2435:     }
                   2436:     
                   2437:     $counts{'opt_req'}=$dimension{$dim}{$instance.'.optionalrequired'};
                   2438:     if ($counts{'opt_req'} !~ /\S/) {
                   2439: 	$counts{'opt_req'}= &Apache::lonxml::get_param('OptionalRequired',
                   2440: 						       $parstack,$safeeval);
                   2441: 	if ($counts{'opt_req'} !~ /\S/) { $counts{'opt_req'} = 0; }
                   2442:     }
                   2443:     return %counts;
                   2444: }
                   2445: 
1.194     albertel 2446: sub end_Setup {
                   2447:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2448:     my $result=&Apache::lonxml::endredirection();
                   2449:     my $dim=&get_id($parstack,$safeeval);
                   2450:     my $instance=&get_instance($dim);
                   2451:     my $version=&get_version();
                   2452:     if ($target eq 'web') {
                   2453: 	@Apache::scripttag::parser_env = @_;
                   2454: 	$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
                   2455: 	my @instances = $instance;
                   2456: 	if (&Apache::response::showallfoils()) {
                   2457: 	    @instances = @{$dimension{$dim}{'instances'}};
                   2458: 	}
                   2459: 	foreach my $instance (@instances) {
1.162     albertel 2460: 	    @Apache::scripttag::parser_env = @_;
1.194     albertel 2461: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
1.162     albertel 2462: 	    @Apache::scripttag::parser_env = @_;
1.194     albertel 2463: 	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
1.162     albertel 2464: 	}
1.194     albertel 2465:     } elsif ($target eq 'webgrade' 
                   2466: 	     || $target eq 'grade' && $env{'form.webgrade'}) {
                   2467: 	# in case of any side effects that we need
                   2468: 	@Apache::scripttag::parser_env = @_;
                   2469: 	&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
                   2470: 	@Apache::scripttag::parser_env = @_;
                   2471: 	&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
                   2472: 	@Apache::scripttag::parser_env = @_;
                   2473: 	&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
                   2474:     } else {
                   2475: 	# any other targets no output
                   2476: 	undef($result);
1.162     albertel 2477:     }
1.194     albertel 2478:     pop(@Apache::bridgetask::dimension);
                   2479:     return $result;
1.1       albertel 2480: }
                   2481: 
1.113     albertel 2482: sub grading_history {
1.151     albertel 2483:     my ($version,$dim,$id) = @_;
1.113     albertel 2484:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   2485: 	return '';
                   2486:     }
                   2487:     my ($result,$grader);
1.194     albertel 2488:     my $scope="resource.$version.0.";
                   2489:     $scope .= ($dim ne $top) ? "$dim.$id"
                   2490: 	                     : "$id";
1.113     albertel 2491:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   2492: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   2493: 	    my ($gname,$gdom) = 
1.138     albertel 2494: 		split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
1.113     albertel 2495: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   2496: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   2497: 							 $gname,$gdom);
                   2498: 	}
                   2499: 	my $entry;
                   2500: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   2501: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   2502: 	}
                   2503: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   2504: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   2505: 	}
                   2506: 	if ($entry) {
                   2507: 	    $result.= "<li>$grader : $entry </li>";
                   2508: 	}
                   2509:     }
                   2510:     if ($result) {
1.120     albertel 2511: 	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
1.113     albertel 2512:     }
                   2513:     return '';
                   2514: }
                   2515: 
1.1       albertel 2516: sub start_IntroParagraph {
1.87      albertel 2517:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 2518:     my $result;
1.168     albertel 2519:     my $dim = &get_dim_id();
1.153     albertel 2520:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.151     albertel 2521: 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
1.169     albertel 2522: 	    $dimension{$dim}{'intro'}=
1.151     albertel 2523: 		&Apache::lonxml::get_all_text('/introparagraph',
                   2524: 					      $parser,$style);
                   2525:        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2526: 	    &Apache::lonxml::startredirection();
1.1       albertel 2527: 	}
1.47      albertel 2528: 	
1.1       albertel 2529:     }
                   2530:     return $result;
                   2531: }
                   2532: 
                   2533: sub end_IntroParagraph {
1.127     albertel 2534:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 2535:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2536: 	my $result = &Apache::lonxml::endredirection();
                   2537:     }
1.1       albertel 2538: }
                   2539: 
                   2540: sub start_Instance {
                   2541:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.168     albertel 2542:     my $dim = &get_dim_id();
                   2543:     my $id  = &get_id($parstack,$safeeval);
1.169     albertel 2544:     push(@{$dimension{$dim}{'instances'}},$id);
1.168     albertel 2545:     push(@{$Apache::bridgetask::instance{$dim}},$id);
1.19      albertel 2546:     push(@Apache::bridgetask::instancelist,$id);
1.169     albertel 2547:     $dimension{$dim}{$id.'.optionalrequired'}=
1.19      albertel 2548: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 2549:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   2550:     if (lc($disabled) eq 'yes') {
1.169     albertel 2551: 	$dimension{$dim}{$id.'.disabled'}='1';
1.75      albertel 2552:     }
1.1       albertel 2553:     return '';
                   2554: }
                   2555: 
                   2556: sub end_Instance {
                   2557: }
                   2558: 
                   2559: sub start_InstanceText {
1.87      albertel 2560:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.168     albertel 2561:     my $dim = &get_dim_id();
                   2562:     my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.87      albertel 2563:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.153     albertel 2564:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.169     albertel 2565: 	$dimension{$dim}{$instance_id.'.text'}=$text;
1.1       albertel 2566:     }
                   2567:     return '';
                   2568: }
                   2569: 
                   2570: sub end_InstanceText {
                   2571:     return '';
                   2572: }
                   2573: 
                   2574: sub start_Criteria {
1.87      albertel 2575:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2576:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.190     albertel 2577:     my $result = '';
1.21      albertel 2578:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.168     albertel 2579: 	my $dim = &get_dim_id();
1.19      albertel 2580: 	my $id=&get_id($parstack,$safeeval);
1.194     albertel 2581: 	if ($target eq 'web' || $target eq 'webgrade') {
1.195     albertel 2582: 	    if ($target eq 'webgrade' && $dim ne 'top') {
                   2583: 		&Apache::lonxml::debug(" for $dim $id stashing results into $dim ");
                   2584: 		$dimension{$dim}{'result'} .= &internal_location($id);
                   2585: 	    } else {
                   2586: 		&Apache::lonxml::debug(" not stashing $dim $id");
                   2587: 		$result .= &internal_location($id);
                   2588: 	    }
1.194     albertel 2589: 	}
1.169     albertel 2590: 	&Apache::lonxml::debug("Criteria $id with $dim");
1.151     albertel 2591: 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
1.168     albertel 2592: 	    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
1.169     albertel 2593: 	    $dimension{$dim}{"criteria.$instance_id.$id"}=$criteria;
                   2594: 	    $dimension{$dim}{"criteria.$instance_id.$id.type"}='criteria';
                   2595: 	    $dimension{$dim}{"criteria.$instance_id.$id.mandatory"}=
1.151     albertel 2596: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 2597: 	    push(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
1.151     albertel 2598: 	} else {
1.169     albertel 2599: 	    $dimension{$dim}{'criteria.'.$id}=$criteria;
                   2600: 	    $dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
                   2601: 	    $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
1.151     albertel 2602: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.169     albertel 2603: 	    push(@{$dimension{$dim}{'criterias'}},$id);
1.194     albertel 2604: 	}
                   2605:     }
                   2606:     return $result;
                   2607: }
                   2608: 
                   2609: sub layout_web_Criteria {
                   2610:     my ($dim,$id,$criteria) = @_;
1.190     albertel 2611: 
1.194     albertel 2612:     my $version = &get_version();
                   2613:     my $status= &get_criteria('status', $version,$dim,$id);
                   2614:     my $comment=&get_criteria('comment',$version,$dim,$id);
                   2615:     my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
                   2616:     if ($mandatory) {
                   2617: 	$mandatory='Mandatory';
                   2618:     } else {
                   2619: 	$mandatory='Optional';
1.1       albertel 2620:     }
1.194     albertel 2621:     my $status_display=$status;
                   2622:     $status_display=~s/^([a-z])/uc($1)/e;
                   2623:     my $criteria_info.=
                   2624: 	'<div class="LC_'.$status.' LC_criteria"><h4>'
                   2625: 	.$mandatory.' Criteria</h4><p>';
                   2626:     $criteria_info.= $criteria;
                   2627:     $criteria_info.='</p><p class="LC_grade">'.$status_display.'</p>';
                   2628:     if ($comment =~ /\w/) {
                   2629: 	$criteria_info.='<p class="LC_comment">'.
                   2630: 	    &mt('Comment: [_1]',$comment).'</p>';
                   2631:     }
                   2632:     $criteria_info.='</div>';
                   2633:     return $criteria_info;
                   2634: }
                   2635: 
                   2636: sub layout_webgrade_Criteria {
                   2637:     my ($dim,$id,$criteria) = @_;
                   2638:     my $link=&link($id);
                   2639:     my $version = &get_version();
                   2640:     my $status  = &get_criteria('status',$version,$dim,$id);
                   2641:     my $result = 
                   2642: 	'<div class="LC_GRADING_criteria">'."\n".
                   2643: 	'<div class="LC_GRADING_criteriatext">'."\n".
                   2644: 	$criteria.
                   2645: 	'</div>'."\n".
                   2646: 	'<div class="LC_GRADING_grade">'."\n".
                   2647: 	'<label class="LC_GRADING_ungraded">
                   2648:             <input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.
                   2649: 	    &mt('Ungraded').
                   2650: 	'</label>'."\n".
                   2651: 	'<label class="LC_GRADING_fail">
                   2652:             <input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.
                   2653: 	    &mt('Fail').
                   2654: 	 '</label>'."\n".
                   2655: 	 '<label class="LC_GRADING_pass">
                   2656:              <input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.
                   2657: 	     &mt('Pass').
                   2658: 	  '</label>'."\n".
                   2659: 	  '<label class="LC_GRADING_review">
                   2660:              <input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.
                   2661: 	     &mt('Review').
                   2662: 	  '</label>'."\n".
                   2663: 	  '</div>'."\n".
                   2664: 	  '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
                   2665: 	  '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode(&get_criteria('comment',$version,$dim,$id),'<>"&').'</textarea>'."\n".
                   2666: 	  '</label>'."\n".
                   2667: 	  '</div>'."\n".
                   2668: 	  &grading_history($version,$dim,$id);
1.190     albertel 2669:     return $result;
1.1       albertel 2670: }
                   2671: 
1.47      albertel 2672: sub end_Criteria {
                   2673: }
                   2674: 
1.186     albertel 2675: sub start_GraderNote {
                   2676:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2677:     
                   2678:     if ($target eq 'webgrade') {
1.187     albertel 2679: 	return '<div class="LC_GRADING_gradernote"><b>'.
                   2680: 	    &mt('Note to graders:').'</b>';
1.186     albertel 2681:     }
                   2682:     my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style); 
                   2683:     return;
                   2684: }
                   2685: 
                   2686: sub end_GraderNote {
                   2687:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2688: 
                   2689:     if ($target eq 'webgrade') {
                   2690: 	return '</div>';
                   2691:     }
                   2692:     return;
                   2693: }
                   2694: 
                   2695: 
                   2696: 
1.4       albertel 2697: sub proctor_validation_screen {
                   2698:     my ($slot) = @_;
1.185     albertel 2699:     my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
1.5       albertel 2700:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 2701:     my $name=&Apache::loncommon::plainname($user,$domain);
                   2702:     
1.4       albertel 2703:     my $msg;
1.11      albertel 2704:     if ($env{'form.proctorpassword'}) {
1.4       albertel 2705: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   2706: 	    .'</font></p>';
                   2707:     }
1.47      albertel 2708:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 2709:     my $result= (<<ENDCHECKOUT);
                   2710: <h2>Proctor Validation</h2>
                   2711:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   2712:     $msg
1.115     albertel 2713: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 2714: <input type="hidden" name="validate" value="yes" />
                   2715: <input type="hidden" name="submitted" value="yes" />
                   2716: <table>
1.44      albertel 2717:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 2718:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 2719:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 2720: </table>
                   2721: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 2722: <table border="1">
                   2723:   <tr><td>
                   2724:     <table>
                   2725:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   2726:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 2727:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.138     albertel 2728:       <tr><td>Usename</td><td>$user:$domain</td></tr>
1.44      albertel 2729:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   2730:     </table>
                   2731:   </tr></td>
                   2732: </table>
1.4       albertel 2733: </form>
                   2734: ENDCHECKOUT
                   2735:     return $result;
                   2736: }
                   2737: 
1.1       albertel 2738: 1;
                   2739: __END__

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