Annotation of loncom/homework/bridgetask.pm, revision 1.89

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.89    ! albertel    4: # $Id: bridgetask.pm,v 1.88 2005/12/06 10:13:15 albertel Exp $
1.1       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: ###
                     29: 
                     30: 
                     31: package Apache::bridgetask; 
                     32: 
                     33: use strict;
                     34: use Apache::lonnet;
                     35: use Apache::File();
                     36: use Apache::lonmenu;
                     37: use Apache::lonlocal;
                     38: use Apache::lonxml;
1.37      albertel   39: use Apache::slotrequest();
1.1       albertel   40: use Time::HiRes qw( gettimeofday tv_interval );
1.9       albertel   41: 
1.1       albertel   42: BEGIN {
                     43:     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph'));
                     44: }
                     45: 
1.9       albertel   46: sub initialize_bridgetask {
                     47:     # id of current Dimension, 0 means that no dimension is current 
                     48:     # (inside <Task> only)
                     49:     $Apache::bridgetask::dimension='';
                     50:     # list of all Dimension ids seen
                     51:     @Apache::bridgetask::dimensionlist=();
1.20      albertel   52:     # mandatory attribute of all Dimensions seen
                     53:     %Apache::bridgetask::dimensionmandatory=();
1.9       albertel   54:     # list of all current Instance ids
                     55:     @Apache::bridgetask::instance=();
                     56:     # list of all Instance ids seen in this problem
                     57:     @Apache::bridgetask::instancelist=();
1.15      albertel   58:     # key of queud user data that we are currently grading
                     59:     $Apache::bridgetask::queue_key='';
1.9       albertel   60: }
                     61: 
1.4       albertel   62: sub proctor_check_auth {
1.81      albertel   63:     my ($slot_name,$slot,$type)=@_;
1.11      albertel   64:     my $user=$env{'form.proctorname'};
                     65:     my $domain=$env{'form.proctordomain'};
1.4       albertel   66:     
                     67:     my @allowed=split(",",$slot->{'proctor'});
                     68:     foreach my $possible (@allowed) {
                     69: 	my ($puser,$pdom)=(split('@',$possible));
                     70: 	if ($puser eq $user && $pdom eq $domain) {
1.72      albertel   71: 	    my $authenticated=0;
                     72: 	    if ( $slot->{'secret'} =~ /\S/ &&
                     73: 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
                     74: 		$authenticated=1;
                     75: 	    } else {
                     76: 		
                     77: 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
                     78: 		if ($authhost ne 'no_host') {
                     79: 		    $authenticated=1;
                     80: 		}
                     81: 	    }
1.81      albertel   82: 	    if ($authenticated && $type eq 'Task') {
1.23      albertel   83: 		my $version=
1.89    ! albertel   84: 		    $Apache::lonhomework::results{'resource.0.version'}=
        !            85: 		    ++$Apache::lonhomework::history{'resource.0.version'};
        !            86: 		$Apache::lonhomework::results{"resource.$version.0.checkedin"}=
1.4       albertel   87: 		    $user.'@'.$domain;
1.89    ! albertel   88: 		$Apache::lonhomework::results{"resource.$version.0.checkedin.slot"}=
1.22      albertel   89: 		    $slot_name;
1.28      albertel   90: 		foreach my $key (keys(%Apache::lonhomework::history)) {
                     91: 		    if ($key=~/^resource\.0\./) {
                     92: 			$Apache::lonhomework::results{$key}='';
                     93: 		    }
                     94: 		}
1.4       albertel   95: 		return 1;
1.81      albertel   96: 	    } elsif ($authenticated && $type eq 'problem') {
                     97: 		&Apache::lonxml::debug("authed #slot_name");
                     98: 		$Apache::lonhomework::results{"resource.0.checkedin"}=
                     99: 		    $user.'@'.$domain;
                    100: 		$Apache::lonhomework::results{"resource.0.checkedin.slot"}=
                    101: 		    $slot_name;
1.4       albertel  102: 	    }
                    103: 	}
                    104:     }
                    105:     return 0;
                    106: }
                    107: 
1.25      albertel  108: sub get_version {
1.29      albertel  109:     my ($version,$previous);
1.25      albertel  110:     if ($env{'form.previousversion'} && 
1.36      albertel  111: 	$env{'form.previousversion'} ne 'current' &&
1.89    ! albertel  112: 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
1.29      albertel  113: 	$version=$env{'form.previousversion'};
                    114: 	$previous=1;
                    115:     } else {
1.89    ! albertel  116: 	$version=$Apache::lonhomework::history{'resource.0.version'};
1.29      albertel  117: 	$previous=0;
                    118:     }
                    119:     if (wantarray) {
                    120: 	return ($version,$previous);
1.25      albertel  121:     }
1.29      albertel  122:     return $version;
1.25      albertel  123: }
                    124: 
1.8       albertel  125: sub add_previous_version_button {
1.25      albertel  126:     my ($status)=@_;
1.8       albertel  127:     my $result;
1.89    ! albertel  128:     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
1.25      albertel  129: 	return '';
                    130:     }
1.89    ! albertel  131:     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
1.29      albertel  132: 	$status ne 'NEEDS_CHECKIN') {
1.25      albertel  133: 	return '';
                    134:     }
1.29      albertel  135:     my $version=&get_version();
                    136:     if ($env{'form.previousversion'} ne '' &&
                    137: 	$env{'form.previousversion'} eq $version) {
                    138: 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
                    139: 	    "</h3>\n";
                    140:     }
                    141:     my @to_show;
1.89    ! albertel  142:     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
        !           143: 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
1.29      albertel  144: 	    push(@to_show,$test_version);
                    145: 	}
                    146:     }
                    147:     my $list='<option>'.
                    148: 	join("</option>\n<option>",@to_show).
                    149: 	     "</option>\n";
1.36      albertel  150:     $list.='<option value="current">'.&mt('Current').'</option>';
1.29      albertel  151:     $result.='<form name="getprevious" method="POST" action="';
                    152:     my $uri=$env{'request.uri'};
                    153:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    154:     $result.=$uri.'">'.
                    155: 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
                    156: <option>'.&mt('Pick one').'</option>
                    157: '.$list.'
                    158: </select>')."</form>";
1.8       albertel  159:     return $result;
                    160: }
                    161: 
1.13      albertel  162: sub add_grading_button {
1.59      albertel  163:     my (undef,$cid)=&Apache::lonxml::whichuser();
                    164:     my $cnum=$env{'course.'.$cid.'.num'};
                    165:     my $cdom=$env{'course.'.$cid.'.domain'};
                    166:     my %sections;
                    167:     my $numsections=&Apache::loncommon::get_sections($cdom,$cnum,\%sections);
                    168:     my $size=5;
                    169:     if (scalar(keys(%sections)) < 3) {
                    170: 	$size=scalar(keys(%sections))+2;
                    171:     }
                    172:     my $sec_select = '<select multiple name="chosensections" size="'.$size.'">'."\n";
                    173:     $sec_select .= "<option value='all' selected='selected'>all</option>\n";
                    174:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
                    175: 	$sec_select .= "<option name=\"$sec\">$sec</option>\n";
                    176:     }
                    177:     $sec_select .= "<option value='none'>none</option></select>\n";
                    178:     
1.29      albertel  179:     my $result=' <input type="submit" name="gradeasubmission" value="'.
1.13      albertel  180: 	&mt("Get a submission to grade").'" />';
                    181:     $result.='<input type="hidden" name="grade_target" value="webgrade" />';
1.40      albertel  182:     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.34      albertel  183: 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
1.59      albertel  184: 	$result.='<p>Specify a section: '.$sec_select.'</p>';
1.34      albertel  185: 	$result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
                    186: 
                    187: 	$result.=' <input type="submit" name="reviewagrading" value="'.
                    188: 	    &mt("Select an entry from the grading queue").'" /> </p>'."\n";
                    189: 
                    190: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
                    191: 	$result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
1.32      albertel  192: 	$result.=' <input type="submit" name="reviewasubmission" value="'.
1.34      albertel  193: 	    &mt("Select an entry from the review queue").'" /> </p>'."\n";
1.49      albertel  194: 	$result.=' <input type="submit" name="regradeasubmission" value="'.
                    195: 	    &mt("Select a user to regrade.").'" /> </p>'."\n";
1.32      albertel  196:     }
1.13      albertel  197:     return $result;
                    198: }
                    199: 
1.22      albertel  200: sub add_request_another_attempt_button {
1.38      albertel  201:     my ($text)=@_;
                    202:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  203:     my $result;
1.36      albertel  204:     my $symb=&Apache::lonnet::symbread();
1.37      albertel  205:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  206:     my $action='get_reservation';
1.37      albertel  207:     if ($slot_name) {
1.38      albertel  208: 	$text="Change reservation.";
                    209: 	$action='change_reservation';
1.37      albertel  210: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    211: 							      $slot);
                    212: 	$result.=(<<STUFF);
                    213: <p> Will be next available: $description </p>
                    214: STUFF
                    215:     }
1.38      albertel  216:     
                    217:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
                    218:     $symb=&Apache::lonnet::escape($symb);
                    219:     $result.='<form method="POST" action="/adm/slotrequest">'.
                    220: 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
                    221: 	'<input type="hidden" name="command" value="'.$action.'" />'.
                    222: 	'<input type="submit" name="requestattempt" value="'.
                    223: 	&mt($text).'" />'.
                    224: 	'</form>';
1.25      albertel  225:     return $result;
1.22      albertel  226: }
                    227: 
1.30      albertel  228: sub preserve_grade_info {
                    229:     my $result;
                    230:     # if we are viewing someone else preserve that info
                    231:     if (defined $env{'form.grade_symb'}) {
                    232: 	foreach my $field ('symb','courseid','domain','username') {
                    233: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    234: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    235: 	}
                    236:     }
                    237:     return $result;
                    238: }
                    239: 
1.53      albertel  240: sub style {
                    241:     return (<<STYLE);
                    242: <style type="text/css">
                    243: .fail, .pass, .neutral {
                    244:     position: relative;
                    245:     margin : 5px;
                    246:     margin-bottom :10px;
                    247:     padding : 4px;
                    248:     padding-left : 75px;
                    249: 	border : thin solid;
                    250:     font-weight : bolder;
                    251:     font-size: smaller;
                    252:     font-family: Arial;
                    253:     background-color : rgb(255,240,225);
                    254: }
                    255: 
                    256: .fail h4, .pass h4 {
                    257: 	position:absolute;
                    258: 	left: -4px;
                    259: 	top: -8px;
                    260: 	padding:2px;
                    261: 	margin:0;
                    262: 	background-color : rgb(255,240,225);
                    263: 	border : thin solid;
                    264: }
                    265: 
                    266: .fail {
                    267: 	color: red;
                    268: }
                    269: 
                    270: .pass {
                    271:     color : green;
                    272: }
                    273: 
                    274: .neutral {
                    275: 	color : blue;
                    276: }
                    277: 
                    278: .question {
                    279: 	border : thin solid black;
                    280: 	padding : 4px;
                    281: 	margin-bottom : 1em;
                    282: }
                    283: 
                    284: .grade {
                    285: 	font-size: x-large;
                    286: 	font-family: Arial;
                    287: 	position:absolute;
                    288: 	left: 5px;
                    289: 	top: -5px;
                    290: 	width: 70px;
                    291: }
                    292: 
                    293: div#feedback h1 {
                    294:     color : inherit;
                    295: }
                    296: </style>
                    297: STYLE
                    298: 
                    299: }
                    300: 
1.54      albertel  301: sub show_task {
                    302:     my ($status,$previous)=@_;
                    303:     if (!$previous && (
                    304: 		       ( $status eq 'CLOSED' ) ||
                    305: 		       ( $status eq 'BANNED') ||
                    306: 		       ( $status eq 'UNAVAILABLE') ||
                    307: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    308: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    309: 		       ( $status eq 'WAITING_FOR_GRADE') ||
                    310: 		       ( $status eq 'INVALID_ACCESS') )) {
                    311: 	return 0;
                    312:     }
1.64      albertel  313:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  314:     return 1;
                    315: }
                    316: 
                    317: sub internal_location {
                    318:     my ($id)=@_;
                    319:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    320: }
                    321: 
1.60      albertel  322: sub submission_time_stamp {
                    323:     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
                    324:     my $submissiontime;
1.89    ! albertel  325:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  326:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
                    327: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
                    328: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
                    329: 	}
                    330:     }
                    331:     my $result;
                    332:     if ($submissiontime) {
1.89    ! albertel  333: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  334: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    335: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  336: 	my ($color,$when)=('#FF6666','after');
                    337: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  338: 	my $info;
                    339: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    340: 	$diff=int($diff/60);
                    341: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    342: 	$diff=int($diff/60);
                    343: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    344: 	$result='<p><font color="'.$color.'">'.
                    345: 	    &mt('Student submitted [_1] [_2] the deadline. 
                    346:                  (Submission was at [_3], end of period was [_4].)',
                    347: 		$info,$when,scalar(localtime($submissiontime)),
                    348: 		scalar(localtime($slot{'endtime'}))).
                    349: 		'</font></p>';
                    350:     }
                    351:     return $result;
                    352: }
                    353: 
1.70      albertel  354: sub webgrade_standard_info {
                    355:     my ($version)=&get_version();
                    356:     my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
                    357:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
                    358:     my $file_list="<ul>\n";
                    359:     foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
                    360: 	my $file=$file_url.$partial_file;
                    361: 	$file=~s|/+|/|g;
                    362: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.73      albertel  363: 	$file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
1.70      albertel  364: 	    &Apache::loncommon::icon($file).'" border=0"> '.$file.
                    365: 	    '</a></nobr></li>'."\n";
                    366:     }
                    367:     $file_list.="</ul>\n";
                    368: 
                    369:     my %lt=&Apache::lonlocal::texthash('done' => 'Done',
                    370: 				       'stop' => 'Stop',
                    371: 				       );
                    372: 				       
                    373:     my $result=<<INFO;
                    374: <div class="handininfo">
                    375:   <input type="submit" name="next" value="$lt{'done'}" />
                    376:   <input type="submit" name="stop" value="$lt{'stop'}" />
                    377:   $file_list
                    378: </div>
                    379: INFO
                    380:     return $result;
                    381: }
                    382: 
1.1       albertel  383: sub start_Task {
1.87      albertel  384:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  385: 
1.4       albertel  386:     my ($status,$accessmsg,$slot);
1.16      albertel  387:     if ($target ne 'webgrade') {
1.70      albertel  388: 	&Apache::structuretags::init_problem_globals('Task');
1.16      albertel  389: 	&Apache::structuretags::initialize_storage();
                    390: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  391: 	if ($env{'request.state'} eq 'construct') {
                    392: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    393: 	}
1.16      albertel  394:     } 
                    395: 
1.4       albertel  396:     $Apache::lonhomework::parsing_a_task=1;
1.1       albertel  397:     #should get back a <html> or the neccesary stuff to start XML/MathML
                    398:     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
                    399: 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.16      albertel  400:     
1.74      albertel  401:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.13      albertel  402: 	if ($Apache::lonhomework::modifygrades) {
                    403: 	    $body_tag_start.='<form name="gradesubmission" method="POST" action="';
                    404: 	    my $uri=$env{'request.uri'};
                    405: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    406: 	    $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  407: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  408: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                    409: 		$body_tag_start.='<form method="POST" action="/adm/slotrequest">'.
                    410: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    411: 		    '<input type="hidden" name="command" value="showslots" />'.
                    412: 		    '<input type="submit" name="requestattempt" value="'.
                    413: 		    &mt('Show Slot list').'" />'.
                    414: 		    '</form>';
                    415: 	    }
1.13      albertel  416: 	}
1.8       albertel  417:     }
1.74      albertel  418:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    419: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    420:     }
1.21      albertel  421:     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
1.1       albertel  422: 	$target eq 'tex') {
1.29      albertel  423: 	my ($version,$previous)=&get_version();
1.14      albertel  424: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  425: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.9       albertel  426: 	push(@Apache::inputtags::status,$status);
1.14      albertel  427: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  428: 	my $expression='$external::datestatus="'.$status.'";';
1.89    ! albertel  429: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  430: 	&Apache::run::run($expression,$safeeval);
                    431: 	&Apache::lonxml::debug("Got $status");
1.25      albertel  432: 	$body_tag_start.=&add_previous_version_button($status);
1.54      albertel  433: 	if (!&show_task($status,$previous)) {
1.87      albertel  434: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  435: 	    if ( $target eq "web" ) {
1.4       albertel  436: 		$result.= $head_tag_start.'</head>'.$body_tag_start;
1.74      albertel  437: 		if ($env{'request.state'} eq 'construct') {
                    438: 		    $result.=$form_tag_start;
                    439: 		}
1.4       albertel  440: 		my $msg;
1.1       albertel  441: 		if ($status eq 'UNAVAILABLE') {
                    442: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  443: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    444: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  445: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  446: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    447: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    448: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  449: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    450: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  451: 		} elsif ($env{'form.donescreen'}) {
                    452: 		    my $title=&Apache::lonnet::gettitle();
1.67      albertel  453: 		    my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
                    454: 		    my $files='<ul><li>'.join('</li><li>',@files).'</li></ul>';
1.64      albertel  455: 		    $result.=<<DONESCREEN;
                    456: <h2>$title</h2>
                    457: <p> Files submitted: $files </p>
1.67      albertel  458: <p> You are now done with this Bridge Task </p>
1.64      albertel  459: <hr />
                    460: <p> <a href="/adm/logout">Logout</a> </p>
                    461: <p> <a href="/adm/roles">Change to a different course</a> </p>
                    462: DONESCREEN
1.1       albertel  463: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    464: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    465: 		}
                    466: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    467: 		    $msg.='The problem '.$accessmsg;
                    468: 		}
                    469: 		$result.=$msg.'<br />';
                    470: 	    } elsif ($target eq 'tex') {
                    471: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    472: 		if ($status eq 'UNAVAILABLE') {
                    473: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    474: 		} else {
                    475: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    476: 		}
1.22      albertel  477: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  478: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  479: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    480: 		       && defined($Apache::inputtags::slot_name)) {
1.77      albertel  481: 			my $result=&add_to_queue('gradingqueue',
1.82      albertel  482: 						 [$Apache::inputtags::slot_name]);
1.77      albertel  483: 			&Apache::lonxml::debug("add_to_queue said $result");
                    484: 		    }
1.4       albertel  485: 		}
1.1       albertel  486: 	    }
                    487: 	} elsif ($target eq 'web') {
                    488: 	    my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    489: 	    $result.="$head_tag_start<title>$name</title></head>
1.53      albertel  490:               $body_tag_start \n".&style();
1.36      albertel  491: 	    
1.57      albertel  492: 	    $result.=&preserve_grade_info();
                    493: 	    $result.=&internal_location();
1.36      albertel  494: 	    $result.=$form_tag_start.
                    495: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  496: 	    &Apache::lonxml::startredirection();
1.1       albertel  497: 	}
1.21      albertel  498:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    499: 	      $target eq 'webgrade') {
1.32      albertel  500: 	my $webgrade='yes';
1.21      albertel  501: 	if ($target eq 'webgrade') {
1.32      albertel  502: 	    $result.=$head_tag_start.$body_tag_start;
1.49      albertel  503: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    504: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  505: 	}
1.33      albertel  506: 	# FIXME Blast! still need to reorg this, need to reshow the
                    507:         #       queue being reviewed once done with the grade pass...
                    508:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    509:         #       perhaps do a search if there is a key that is mine and if
                    510:         #       there isn't reshow the queue....
                    511: 	my ($todo,$status_code)=&get_key_todo($target);
                    512: 
                    513: 	if ($todo) {
                    514: 	    &setup_env_for_other_user($todo,$safeeval);
                    515: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    516: 	    $result.="\n".'<table><tr><td>Found '.
                    517: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    518: 	    $form_tag_start.=
                    519: 		'<input type="hidden" name="gradingkey" value="'.
                    520: 		&Apache::lonnet::escape($todo).'" />';
                    521: 	    $Apache::bridgetask::queue_key=$todo;
                    522: 	    &Apache::structuretags::initialize_storage();
                    523: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
                    524: 	    if ($target eq 'webgrade') {
1.49      albertel  525: 		#$result.='<br />After -'.&show_queue($env{'form.queue'});
1.33      albertel  526: 		$result.="\n".'<table width="100%" style="width:100%" border="1">';
                    527: 		if ($status_code eq 'selected') {
                    528: 		    $form_tag_start.=
                    529: 			'<input type="hidden" name="queuemode" value="selected" />';
                    530: 		}
                    531: 	    }
1.15      albertel  532: 	} else {
1.33      albertel  533: 	    if ($target eq 'webgrade') {
                    534: 		$result.="\n";
1.81      albertel  535: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    536: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  537: 		if      ($status_code eq 'stop') {
1.81      albertel  538: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.33      albertel  539: 		} elsif ($status_code eq 'lock_failed') {
1.81      albertel  540: 		    $result.='<b>'.&mt("Failed to lock the request record.")
                    541: 			.'</b>'.$back;
1.33      albertel  542: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  543: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    544: 			.'</b>'.$back;
1.33      albertel  545: 		    $result.=&show_queue($env{'form.queue'},1);
                    546: 		} elsif ($status_code eq 'show_list') {
                    547: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  548: 		} elsif ($status_code eq 'select_user') {
                    549: 		    $result.=&select_user();
1.33      albertel  550: 		} else {
1.81      albertel  551: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  552: 		}
1.21      albertel  553: 	    }
1.33      albertel  554: 	    $webgrade='no';
1.87      albertel  555: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  556: 	}
                    557: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  558: 	    if ($webgrade eq 'yes') {
                    559: 		$result.=&submission_time_stamp();
                    560: 	    }
1.32      albertel  561: 	    $result.=$form_tag_start;
                    562: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    563: 		$webgrade.'" />';
                    564: 	    $result.='<input type="hidden" name="queue" value="'.
                    565: 		$env{'form.queue'}.'" />';
1.52      albertel  566: 	    if ($env{'form.regrade'}) {
                    567: 		$result.='<input type="hidden" name="regrade" value="'.
                    568: 		    $env{'form.regrade'}.'" />';
                    569: 	    }
1.62      albertel  570: 	    if ($env{'form.chosensections'}) {
                    571: 		my @chosen_sections=
                    572: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    573: 		foreach my $sec (@chosen_sections) {
                    574: 		    $result.='<input type="hidden" name="chosensections" 
                    575:                                value="'.$sec.'" />';
                    576: 		}
                    577: 	    }
1.70      albertel  578: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  579: 	}
1.74      albertel  580:     } elsif ($target eq 'edit') {
                    581: 	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
                    582: 	    &Apache::structuretags::problem_edit_header();
                    583: 	$Apache::lonxml::warnings_error_header=
                    584: 	    &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 />";
                    585: 	my $temp=&Apache::edit::insertlist($target,$token);
                    586: 	$result.=$temp;
1.1       albertel  587:     } else {
                    588: 	# page_start returned a starting result, delete it if we don't need it
                    589: 	$result = '';
                    590:     }
                    591:     return $result;
                    592: }
                    593: 
1.32      albertel  594: sub get_key_todo {
                    595:     my ($target)=@_;
                    596:     my $todo;
1.33      albertel  597: 
                    598:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  599: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  600: 	$env{'form.queue'}='reviewqueue';
                    601: 	return (undef,'show_list');
                    602:     }
                    603: 
                    604:     if (defined($env{'form.reviewagrading'})) {
                    605: 	&Apache::lonxml::debug("review a grading....");
                    606: 	$env{'form.queue'}='gradingqueue';
                    607: 	return (undef,'show_list');
                    608:     }
                    609: 
1.49      albertel  610:     if (defined($env{'form.regradeasubmission'})) {
                    611: 	&Apache::lonxml::debug("regrade a grading....");
                    612: 	$env{'form.queue'}='none';
                    613: 	return (undef,'select_user');
                    614:     }
                    615: 
1.32      albertel  616:     my $queue=$env{'form.queue'};
1.33      albertel  617: 
1.32      albertel  618:     if (!defined($queue)) {
                    619: 	$env{'form.queue'}=$queue='gradingqueue';
                    620:     }
1.33      albertel  621: 
1.32      albertel  622:     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.33      albertel  623: 
1.49      albertel  624:     if ($env{'form.queue'} eq 'none') {
                    625: 	if (defined($env{'form.gradingkey'})) {
                    626: 	    if ($target eq 'webgrade') {
                    627: 		if ($env{'form.stop'}) {
                    628: 		    return (undef,'stop');
                    629: 		} elsif ($env{'form.next'}) {
1.59      albertel  630: 		    return (undef,'select_user');
1.49      albertel  631: 		}
                    632: 	    }
                    633: 	    return ($gradingkey,'selected');
                    634: 	} else {
1.59      albertel  635: 	    return (undef,'select_user');
1.49      albertel  636: 	}
                    637:     }
1.32      albertel  638:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  639: 	&& !defined($env{'form.gradingaction'}) 
                    640: 	&& $env{'form.queuemode'} eq 'selected') {
                    641: 	
                    642: 	my $who=&queue_key_locked($queue,$gradingkey);
                    643: 	my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    644: 	if ($who eq $me) {
                    645: 	    &Apache::lonxml::debug("Found a key was given to me");
                    646: 	    return ($gradingkey,'selected');
                    647: 	} else {
                    648: 	    return (undef,'show_list');
                    649: 	}
                    650: 
                    651:     }
                    652: 
                    653:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    654: 	if ($env{'form.gradingaction'} eq 'resume') {
                    655: 	    delete($env{'form.gradingaction'});
                    656: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  657: 	    return ($gradingkey);
1.33      albertel  658: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    659: 	    &Apache::lonxml::debug("Unlocking a key ".
                    660: 				     &check_queue_unlock($queue,$gradingkey,1));
                    661: 	    return (undef,'unlock');
                    662: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    663: 	    &Apache::lonxml::debug("Locking a key");
                    664: 	    if (&lock_key($queue,$gradingkey)) {
                    665: 		&Apache::lonxml::debug("Success $queue");
                    666: 		return ($gradingkey);
                    667: 	    }
                    668: 	    &Apache::lonxml::debug("Failed $queue");
                    669: 	    return (undef,'lock_failed');
1.32      albertel  670: 	}
                    671:     }
1.33      albertel  672: 
                    673:     if ($env{'form.queuemode'} ne 'selected') {
                    674: 	# don't get something new from the queue if they hit the stop button
                    675:     	if (!($env{'form.stop'} && $target eq 'webgrade') 
                    676: 	    && !$env{'form.gradingaction'}) {
                    677: 	    &Apache::lonxml::debug("Getting anew $queue");
                    678: 	    return (&get_from_queue($queue));
                    679: 	} else {
                    680: 	    return (undef,'stop');
                    681: 	}
1.32      albertel  682:     }
1.33      albertel  683:     return (undef,undef)
1.32      albertel  684: }
1.1       albertel  685: sub end_Task {
                    686:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    687:     my $result='';
                    688:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  689:     my ($version,$previous)=&get_version();
1.1       albertel  690:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  691: 	$target eq 'tex') {
1.69      albertel  692: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  693: 	    if ($target eq 'web') {
1.54      albertel  694: 		if (&show_task($status,$previous)) {
                    695: 		    $result.=&Apache::lonxml::endredirection();
                    696: 		}
1.64      albertel  697: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    698: 		    !$env{'form.donescreen'}) {
1.15      albertel  699: 		    $result.="\n".'<table border="1">'.
1.28      albertel  700: 			&Apache::inputtags::file_selector("$version.0",
                    701: 							  "bridgetask","*",
1.46      albertel  702: 							  'portfolioonly',
                    703: 							  '
                    704: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    705: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  706: 							  "</table>";
1.77      albertel  707: 		}
1.78      albertel  708: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    709: 		    &show_task($status,$previous)) {
1.9       albertel  710: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  711: 		    $result.='</form>';
                    712: 		    $result.=<<DONEBUTTON;
                    713: <form method="POST">
                    714:    <input type="hidden" name="donescreen" value="1" />
                    715:    <input type="submit" value="Done" />
                    716: </form>
                    717: DONEBUTTON
1.77      albertel  718:                 }
1.56      albertel  719: 		if (&show_task($status,$previous) &&
1.89    ! albertel  720: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
        !           721: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  722: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  723: 
                    724: 		    my $slot_name=
1.89    ! albertel  725: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.80      albertel  726: 		    my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  727: 		    my $start_time=
                    728: 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
1.54      albertel  729: 
1.80      albertel  730: 		    my $status = "\n<div class='$bt_status'>\n";
1.54      albertel  731: 		    
                    732: 		    if ($bt_status eq 'pass')  {
                    733: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  734: 			    $start_time.'</h2>';
1.54      albertel  735: 		    }
                    736: 		    if ($bt_status eq 'fail')  {
                    737: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  738: 			    $start_time.'</h2>';
1.54      albertel  739: 			if (!$previous) {
                    740: 			    $status.=&add_request_another_attempt_button();
                    741: 			}
                    742: 		    }
                    743: 		    my $man_count=0;
                    744: 		    my $opt_count=0;
                    745: 		    my $opt_passed=0;
                    746: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    747: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    748: 			    eq 'N') {
                    749: 			    $opt_count++;
1.89    ! albertel  750: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  751: 				$opt_passed++;
                    752: 			    }
                    753: 			} else {
                    754: 			    $man_count++;
                    755: 			}
                    756: 		    }
                    757: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    758: 							 $parstack,$safeeval);
                    759: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                    760: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components on the bridge task.',$man_count,$opt_req,$opt_count)."</p></div>\n";
                    761: 
                    762: 		    my $internal_location=&internal_location();
                    763: 		    $result=~s/\Q$internal_location\E/$status/;
                    764: 		}
1.13      albertel  765: 	    } 
                    766: 	    if ($target eq 'web' || $target eq 'webgrade') {
1.1       albertel  767: 		$result.=&Apache::lonxml::xmlend().'</html>';
                    768: 	    }
                    769: 	}
1.29      albertel  770: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  771: 	    my $award='SUBMITTED';
1.28      albertel  772: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  773: 						    'portfiles',\$award);
1.14      albertel  774: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  775: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    776: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    777: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    778: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    779: 
                    780: 		$Apache::lonhomework::results{"resource.0.award"}=
                    781: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    782: 		    $award;
1.51      albertel  783: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    784: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  785: 	    } else {
                    786: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  787: 		$award = '';
1.10      albertel  788: 	    }
1.4       albertel  789: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    790: 	    &Apache::structuretags::finalize_storage();
1.83      albertel  791: 	    if ($award eq 'SUBMITTED'
                    792: 		&& defined($Apache::inputtags::slot_name)) {
1.82      albertel  793: 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
1.14      albertel  794: 	    }
1.79      albertel  795: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    796: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  797: 	}
1.32      albertel  798: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  799: 	    my $optional_required=
                    800: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    801: 					   $safeeval);
                    802: 	    my $optional_passed=0;
                    803: 	    my $mandatory_failed=0;
                    804: 	    my $ungraded=0;
                    805: 	    my $review=0;   
1.21      albertel  806: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  807: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    808: 		my $status=
1.89    ! albertel  809: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  810: 		my $mandatory=
                    811: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    812: 		if ($status eq 'pass') {
                    813: 		    if (!$mandatory) { $optional_passed++; }
                    814: 		} elsif ($status eq 'fail') {
                    815: 		    if ($mandatory) { $mandatory_failed++; }
                    816: 		} elsif ($status eq 'ungraded') {
                    817: 		    $ungraded++;
                    818: 		} elsif ($status eq 'review') {
                    819: 		    $review++;
1.49      albertel  820: 		} else {
                    821: 		    $ungraded++;
                    822: 		}
1.20      albertel  823: 	    }
                    824: 	    if ($optional_passed < $optional_required) {
                    825: 		$mandatory_failed++;
                    826: 	    }
1.21      albertel  827: 	    &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.89    ! albertel  828: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.20      albertel  829: 		$env{'user.name'}.'@'.$env{'user.domain'};
                    830: 	    if ($review) {
1.89    ! albertel  831: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  832: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    833: 		    &check_queue_unlock($env{'form.queue'});
                    834: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    835: 		} else {
1.49      albertel  836: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  837: 		}
1.20      albertel  838: 	    } elsif ($ungraded) {
1.89    ! albertel  839: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  840: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    841: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  842: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  843: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  844: 		} else {
                    845: 		    &check_queue_unlock($env{'form.queue'});
                    846: 		}
1.20      albertel  847: 	    } elsif ($mandatory_failed) {
1.89    ! albertel  848: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  849: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    850: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    851: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  852: 		&remove_from_queue($env{'form.queue'}); 
                    853: 
                    854: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  855: 		
                    856: 		if ($env{'form.regrade'} ne 'yes') {
                    857: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    858: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    859: 		    &Apache::grades::version_portfiles(
                    860: 						       \%Apache::lonhomework::results,
                    861: 						       ["$version.0.bridgetask"],$courseid,
                    862: 						       $symb,$udom,$uname,
                    863: 						       ["$version.0.bridgetask"]);
                    864: 		}
1.20      albertel  865: 	    } else {
1.89    ! albertel  866: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  867: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                    868: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                    869: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel  870: 		&remove_from_queue($env{'form.queue'});
1.39      albertel  871: 
                    872: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  873: 		if ($env{'form.regrade'} ne 'yes') {
                    874: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    875: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    876: 		    &Apache::grades::version_portfiles(
                    877: 						       \%Apache::lonhomework::results,
                    878: 						       ["$version.0.bridgetask"],$courseid,
                    879: 						       $symb,$udom,$uname,
                    880: 						       ["$version.0.bridgetask"]);
                    881: 		}
1.20      albertel  882: 	    }
1.89    ! albertel  883: 	    $Apache::lonhomework::results{"resource.0.status"}=
        !           884: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel  885: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel  886: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel  887: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel  888: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel  889: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel  890: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel  891: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel  892: 	    }
1.21      albertel  893: 	    &Apache::structuretags::finalize_storage();
1.20      albertel  894: 	}
1.15      albertel  895:     } elsif ($target eq 'webgrade') {
1.18      albertel  896: 	$result.="</table>\n<hr />";
1.20      albertel  897: 	#$result.='<input type="submit" name="next" value="'.
                    898: 	#    &mt('Save &amp; Next').'" /> ';
                    899: 	#$result.='<input type="submit" name="end" value="'.
                    900: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                    901: 	#$result.='<input type="submit" name="throwaway" value="'.
                    902: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                    903: 	#$result.='<input type="submit" name="save" value="'.
                    904: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.15      albertel  905: 	$result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
1.1       albertel  906:     } elsif ($target eq 'meta') {
1.70      albertel  907: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel  908:         $result.=&Apache::response::meta_stores_write('solved','string',
                    909: 						      'Problem Status');
                    910: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                    911: 						      'Number of Attempts');
                    912: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                    913: 						      'Partial Credit Factor');
                    914: 	$result.=&Apache::response::meta_stores_write('status','string',
                    915: 						      'Bridge Task Status');
1.1       albertel  916:     }
1.4       albertel  917:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel  918:     return $result;
                    919: }
                    920: 
1.31      albertel  921: sub move_between_queues {
                    922:     my ($src_queue,$dest_queue)=@_;
1.49      albertel  923:     my $cur_data;
                    924:     if ($src_queue ne 'none') {
                    925: 	$cur_data=&get_queue_data($src_queue);
                    926: 	if (!$cur_data) { return 'not_exist'; }
                    927:     } else {
                    928: 	$cur_data = ['none'];
                    929:     }
1.82      albertel  930:     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
1.31      albertel  931:     if ($result ne 'ok') {
                    932: 	return $result;
                    933:     }
                    934:     &check_queue_unlock($src_queue);
                    935:     return &remove_from_queue($src_queue);
1.21      albertel  936: }
                    937: 
                    938: sub check_queue_unlock {
1.32      albertel  939:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel  940:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel  941:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel  942:     if (!defined($key)) {
                    943: 	$key="$symb\0queue\0$uname\@$udom";
                    944:     }
1.30      albertel  945:     my $cnum=$env{'course.'.$cid.'.num'};
                    946:     my $cdom=$env{'course.'.$cid.'.domain'};
                    947:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    948:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                    949:     if  ($who eq $me) {
1.32      albertel  950: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                    951:     } elsif ($allow_not_me) {
1.33      albertel  952: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel  953: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel  954:     }
1.32      albertel  955:     return 'not_owner';
1.21      albertel  956: }
                    957: 
1.88      albertel  958: sub in_queue {
                    959:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                    960:     if ($queue eq 'none') { return 0; }
                    961:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                    962: 	|| !defined($udom) || !defined($uname)) {
                    963: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                    964: 	$cnum=$env{'course.'.$cid.'.num'};
                    965: 	$cdom=$env{'course.'.$cid.'.domain'};
                    966:     }
                    967: 
                    968:     my $key=&encode_queue_key($symb,$udom,$uname);
                    969:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                    970: 
                    971:     if (defined($results{$key})) {
                    972: 	return 1;
                    973:     }
                    974:     return 0;
                    975: }
                    976: 
1.21      albertel  977: sub remove_from_queue {
1.86      albertel  978:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel  979:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel  980:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                    981: 	|| !defined($udom) || !defined($uname)) {
                    982: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                    983: 	$cnum=$env{'course.'.$cid.'.num'};
                    984: 	$cdom=$env{'course.'.$cid.'.domain'};
                    985:     }
1.88      albertel  986:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                    987: 	return 'ok';
                    988:     }
1.86      albertel  989:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel  990:     my @keys=($key,"$key\0locked");
1.31      albertel  991:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel  992: }
                    993: 
1.16      albertel  994: sub setup_env_for_other_user {
                    995:     my ($queue_key,$safeeval)=@_;
                    996:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel  997:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel  998:     $env{'form.grade_symb'}=$symb;
                    999:     $env{'form.grade_domain'}=$udom;
                   1000:     $env{'form.grade_username'}=$uname;
                   1001:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1002:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1003: }
                   1004: 
1.31      albertel 1005: sub get_queue_data {
                   1006:     my ($queue)=@_;
                   1007:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1008:     my $cnum=$env{'course.'.$cid.'.num'};
                   1009:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1010:     my $todo="$symb\0queue\0$uname\@$udom";
                   1011:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1012:     if ($key eq $todo && ref($value)) {
                   1013: 	return $value;
                   1014:     }
                   1015:     return undef;
                   1016: }
                   1017: 
1.84      albertel 1018: 
1.49      albertel 1019: sub check_queue_for_key {
1.84      albertel 1020:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1021: 
1.49      albertel 1022:     my %results=
                   1023: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1024:     
                   1025:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1026: 	if (defined($results{"$todo\0locked"})) {
                   1027: 	    return 'locked';
                   1028: 	}
1.86      albertel 1029: 	my $slot;
                   1030: 	if (ref($results{$todo}) eq 'ARRAY')  {
                   1031: 	    $slot = $results{$todo}[0];
                   1032: 	} elsif (ref($results{$todo}) eq 'HASH')  {
                   1033: 	    $slot = $results{$todo}{'slot'};
                   1034: 	}
                   1035: 	if (defined($slot)) {
                   1036: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1037: 	    if ($slot_data{'endtime'} > time) { 
                   1038: 		return 'in_progress';
                   1039: 	    }
1.58      albertel 1040: 	}
1.49      albertel 1041: 	return 'enqueued';
                   1042:     }
                   1043:     return undef;
                   1044: }
                   1045: 
1.14      albertel 1046: sub add_to_queue {
1.82      albertel 1047:     my ($queue,$user_data)=@_;
1.49      albertel 1048:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1049:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1050:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1051: 	return 'no_queue';
                   1052:     }
1.14      albertel 1053:     my $cnum=$env{'course.'.$cid.'.num'};
                   1054:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1055:     my %data;
1.82      albertel 1056:     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
1.83      albertel 1057:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1058: }
                   1059: 
                   1060: sub show_queue {
1.32      albertel 1061:     my ($queue,$with_selects)=@_;
1.14      albertel 1062:     my $result;
                   1063:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1064:     my $cnum=$env{'course.'.$cid.'.num'};
                   1065:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1066: 
                   1067:     my @chosen_sections=
                   1068: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1069:     &Apache::grades::init_perm();
                   1070:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1071:     &Apache::grades::reset_perm();
1.63      albertel 1072:     if (!(grep(/^all$/,@chosen_sections))) {
                   1073: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1074: 	    '</tt>.</p> '."\n";
                   1075:     }
1.59      albertel 1076: 
1.16      albertel 1077:     my $regexp="^$symb\0";
1.30      albertel 1078:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1079:     my ($tmp)=%queue;
                   1080:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1081: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1082:     }
1.86      albertel 1083:     $result.="\n<h3>Current Queue - $symb $queue </h3><table border='1'><tr>";
1.32      albertel 1084:     if ($with_selects) { $result.="<th></th>"; }
                   1085:     $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
1.14      albertel 1086:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1087: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1088: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1089: 	if ($key=~/locked$/ && !$with_selects) {
1.16      albertel 1090: 	    my $title=&Apache::lonnet::gettitle($symb);
1.27      albertel 1091: 	    $result.="<tr><td>$title</td><td>$uname</td>";
1.16      albertel 1092: 	    $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1093: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.16      albertel 1094: 	    my ($symb,undef) = split("\0",$key);
                   1095: 	    my $title=&Apache::lonnet::gettitle($symb);
1.27      albertel 1096: 	    $result.="<tr><td>$title</td><td></td>";
1.16      albertel 1097: 	    $result.='<td>last queue modification time</td><td>'.
                   1098: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1099: 	} elsif ($key!~/(timestamp|locked)$/) {
1.16      albertel 1100: 	    my $title=&Apache::lonnet::gettitle($symb);
1.32      albertel 1101: 	    $result.="<tr>";
1.35      albertel 1102: 	    my $slot=$queue{$key}->[0];
                   1103: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
1.32      albertel 1104: 	    if ($with_selects) {
                   1105: 		my $ekey=&Apache::lonnet::escape($key);
                   1106: 		my ($action,$description)=('select',&mt('Select'));
                   1107: 		if (exists($queue{"$key\0locked"})) {
                   1108: 		    my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1109: 		    if ($me eq $queue{"$key\0locked"}) {
                   1110: 			($action,$description)=('resume',&mt('Resume'));
                   1111: 		    } else {
                   1112: 			($action,$description)=('unlock',&mt('Unlock'));
                   1113: 		    }
                   1114: 		}
1.62      albertel 1115: 		my $seclist;
                   1116: 		foreach my $sec (@chosen_sections) {
                   1117: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1118:                                value="'.$sec.'" />';
                   1119: 		}
1.35      albertel 1120: 		if (time > $slot_data{'endtime'}) {
                   1121: 		    $result.=(<<FORM);
1.32      albertel 1122: <td>
                   1123: <form method="POST">
                   1124:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1125:  <input type="hidden" name="queue" value="$queue" />
                   1126:  <input type="hidden" name="gradingaction" value="$action" />
                   1127:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1128:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1129:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1130:  $seclist
1.32      albertel 1131: </form>
                   1132: </td>
                   1133: FORM
1.35      albertel 1134: 
                   1135:                 } else {
                   1136: 		    $result.='<td>'.&mt("In Progress").'</td>'
                   1137: 		}
1.32      albertel 1138: 	    }
                   1139: 	    $result.="<td>$title</td><td>$uname</td>";
1.27      albertel 1140: 	    $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.
1.20      albertel 1141: 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
                   1142: 		"</td></tr>";
1.16      albertel 1143: 	}
1.14      albertel 1144:     }
1.15      albertel 1145:     $result.="</table><hr />\n";
1.14      albertel 1146:     return $result;
                   1147: }
                   1148: 
1.34      albertel 1149: sub get_queue_counts {
                   1150:     my ($queue)=@_;
                   1151:     my $result;
                   1152:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1153:     my $cnum=$env{'course.'.$cid.'.num'};
                   1154:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1155:     my $regexp="^$symb\0";
                   1156:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1157:     my ($tmp)=%queue;
                   1158:     if ($tmp=~/^error: 2 /) {
                   1159: 	return (0,0,0);
                   1160:     }
                   1161:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
                   1162:     foreach my $key (sort(keys(%queue))) {
                   1163: 	if ($key=~/locked$/) {
                   1164: 	    $locks++;
                   1165: 	} elsif ($key=~/timestamp$/) {
                   1166: 	    #ignore
                   1167: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1168: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1169: 	    $entries++;
                   1170: 	    my $slot=$queue{$key}->[0];
                   1171: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1172: 	    if (time > $slot_data{'endtime'}) {
                   1173: 		$ready_to_grade++;
                   1174: 	    }
                   1175: 	}
                   1176:     }
                   1177:     return ($entries,$ready_to_grade,$locks);
                   1178: }
                   1179: 
1.49      albertel 1180: sub encode_queue_key {
                   1181:     my ($symb,$udom,$uname)=@_;
                   1182:     return "$symb\0queue\0$uname\@$udom";
                   1183: }
                   1184: 
1.14      albertel 1185: sub decode_queue_key {
                   1186:     my ($key)=@_;
                   1187:     my ($symb,undef,$user) = split("\0",$key);
                   1188:     my ($uname,$udom) = split('@',$user);
                   1189:     return ($symb,$uname,$udom);
                   1190: }
                   1191: 
                   1192: sub queue_key_locked {
1.30      albertel 1193:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1194:     if (!defined($cdom) || !defined($cnum)) {
                   1195: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1196: 	$cnum=$env{'course.'.$cid.'.num'};
                   1197: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1198:     }
1.14      albertel 1199:     my ($key_locked,$value)=
1.30      albertel 1200: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1201:     if ($key_locked eq "$key\0locked") {
                   1202: 	return $value;
                   1203:     }
                   1204:     return undef;
                   1205: }
                   1206: 
                   1207: sub pick_from_queue_data {
1.30      albertel 1208:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
                   1209:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1210: 	if ($key =~ /\0locked$/) { next; }
                   1211: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1212: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1213: 	if ($check_section) {
                   1214: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1215: 	    if ($section eq $check_section) {
1.33      albertel 1216: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1217: 		next;
                   1218: 	    }
1.14      albertel 1219: 	}
1.30      albertel 1220: 	my $slot=$queuedata->{$key}[0];
1.14      albertel 1221: 	my %slot_data=&Apache::lonnet::get_slot($slot);
1.15      albertel 1222: 	if ($slot_data{'endtime'} > time) { 
1.33      albertel 1223: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1224: 	    next;
                   1225: 	}
1.30      albertel 1226: 	if (&queue_key_locked($queue,$key,$cdom,$cnum)) {
1.33      albertel 1227: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1228: 	    next;
                   1229: 	}
1.14      albertel 1230: 	return $key;
                   1231:     }
                   1232:     return undef;
                   1233: }
                   1234: 
1.15      albertel 1235: sub find_mid_grade {
1.30      albertel 1236:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1237:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.15      albertel 1238:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1239:     if ($todo) {
1.30      albertel 1240: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1241: 	if ($who eq $me) { return $todo; }
                   1242:     }
                   1243:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1244:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1245:     foreach my $key (keys(%locks)) {
                   1246: 	my $who=$locks{$key};
                   1247: 	if ($who eq $me) {
                   1248: 	    $todo=$key;
                   1249: 	    $todo=~s/\0locked$//;
                   1250: 	    return $todo;
                   1251: 	}
                   1252:     }
                   1253:     return undef;
                   1254: }
                   1255: 
1.32      albertel 1256: sub lock_key {
                   1257:     my ($queue,$todo)=@_;
                   1258:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1259:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1260:     my $cnum=$env{'course.'.$cid.'.num'};
                   1261:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1262:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1263: 					$cdom,$cnum);
1.33      albertel 1264:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1265:     if ($success eq 'ok') {
                   1266: 	return 1;
                   1267:     }
                   1268:     return 0;
                   1269: }
                   1270: 
1.86      albertel 1271: sub get_queue_symb_status {
1.85      albertel 1272:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1273:     if (!defined($cdom) || !defined($cnum)) {
                   1274: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1275: 	$cnum=$env{'course.'.$cid.'.num'};
                   1276: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1277:     }
                   1278:     my $regexp="^$symb\0";
                   1279:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1280:     my ($tmp)=%queue;
                   1281:     if ($tmp=~/^error: 2 /) { return; }
                   1282:     my @users;
                   1283:     foreach my $key (sort(keys(%queue))) {
                   1284: 	next if ($key=~/locked$/);
                   1285: 	next if ($key=~/timestamp$/);
                   1286: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1287: 	push(@users,"$uname:$udom");
                   1288:     }
                   1289:     return @users;
                   1290: }
                   1291: 
1.14      albertel 1292: sub get_from_queue {
1.30      albertel 1293:     my ($queue)=@_;
1.14      albertel 1294:     my $result;
                   1295:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1296:     my $cnum=$env{'course.'.$cid.'.num'};
                   1297:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1298:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1299:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1300:     if ($todo) { return $todo; }
1.14      albertel 1301:     while (1) {
                   1302: 	my $starttime=time;
1.83      albertel 1303: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1304: 			      $cdom,$cnum);
1.33      albertel 1305: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1306: 	my $regexp="^$symb\0queue\0";
1.30      albertel 1307: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1308: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1309: 	if ($env{'request.course.sec'}) {
1.33      albertel 1310: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1311: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1312: 					\%queue,$cdom,$cnum);
1.33      albertel 1313: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1314: 	}
1.33      albertel 1315: 	# no one _not_ in our section so look for any user that is
                   1316: 	# ready for grading
1.14      albertel 1317: 	if (!$todo) {
1.33      albertel 1318: 	    &Apache::lonxml::debug("no sce");
1.31      albertel 1319: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1320: 					\%queue,$cdom,$cnum);
1.33      albertel 1321: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1322: 	}
                   1323: 	# no user to grade 
                   1324: 	if (!$todo) { last; }
1.33      albertel 1325: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1326: 	# otherwise found someone so lets try to lock them
1.32      albertel 1327: 	# unless someone else already picked them
                   1328: 	if (!&lock_key($queue,$todo)) { next; }
1.14      albertel 1329: 	my (undef,$endtime)=
1.30      albertel 1330: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1331: 				 $cdom,$cnum);
1.33      albertel 1332: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1333: 	# someone else already modified the queue, 
                   1334: 	# perhaps our picked user wass already fully graded between
                   1335: 	# when we picked him and when we locked his record? so lets
                   1336: 	# double check.
                   1337: 	if ($endtime != $starttime) {
                   1338: 	    my ($key,$value)=
1.30      albertel 1339: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1340: 				     $cdom,$cnum);
1.33      albertel 1341: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1342: 	    if ($key eq $todo && ref($value)) {
                   1343: 	    } else {
1.30      albertel 1344: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1345: 				     $cdom,$cnum);
1.33      albertel 1346: 		&Apache::lonxml::debug("del");
1.14      albertel 1347: 		next;
                   1348: 	    }
                   1349: 	}
1.33      albertel 1350: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1351: 	last;
                   1352:     }
                   1353:     return $todo;
                   1354: }
                   1355: 
1.49      albertel 1356: sub select_user {
                   1357:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1358: 
1.59      albertel 1359:     my @chosen_sections=
                   1360: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1361:     &Apache::grades::init_perm();
1.59      albertel 1362:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1363:     &Apache::grades::reset_perm();
1.63      albertel 1364:     
                   1365:     my $result;
                   1366:     if (!(grep(/^all$/,@chosen_sections))) {
                   1367: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1368: 	    '</tt>.</p> '."\n";
                   1369:     }
                   1370:     $result.='<table border="1">';
1.49      albertel 1371: 
                   1372:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1373: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1374: 	
1.84      albertel 1375: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1376: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1377: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1378: 					 'Task');
1.49      albertel 1379: 	my $queue = 'none';
1.58      albertel 1380: 	my $cannot_grade;
                   1381: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1382: 	    $queue = 'reviewqueue';
1.58      albertel 1383: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1384: 		$cannot_grade=1;
                   1385: 	    }
                   1386: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1387: 	    $queue = 'gradingqueue';
1.58      albertel 1388: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1389: 		$cannot_grade=1;
                   1390: 	    }
1.49      albertel 1391: 	}
                   1392: 	my $todo = 
                   1393: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1394: 	if ($cannot_grade) {
                   1395: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1396: 		'</td><td>';
                   1397: 	} else {
1.62      albertel 1398: 	    my $seclist;
                   1399: 	    foreach my $sec (@chosen_sections) {
                   1400: 		$seclist.='<input type="hidden" name="chosensections" 
                   1401:                                value="'.$sec.'" />';
                   1402: 	    }
1.58      albertel 1403: 	    $result.=<<RESULT;
1.49      albertel 1404: <tr>
                   1405:   <td>
                   1406:     <form method="POST">
                   1407:       <input type="hidden" name="gradingkey" value="$todo" />
                   1408:       <input type="hidden" name="queue" value="$queue" />
                   1409:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1410:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1411:       <input type="submit" name="submit" value="Regrade" />
                   1412:       $seclist
1.49      albertel 1413:     </form>
                   1414:   <td>$fullname->{$student}</td>
                   1415:   <td>
                   1416: RESULT
1.58      albertel 1417:         }
1.49      albertel 1418:         if ($status{'status'} eq 'pass') {
                   1419: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1420: 	} elsif ($status{'status'} eq 'fail') {
                   1421: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1422: 	} elsif ($status{'status'} eq 'review') {
                   1423: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1424: 	} elsif ($status{'status'} eq 'ungraded') {
                   1425: 	    $result .= &mt('Ungraded');
                   1426: 	} elsif ($status{'status'} ne '') {
                   1427: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1428: 	} else {
                   1429: 	    $result.="&nbsp;";
                   1430: 	}
                   1431: 	if ($status{'version'}) {
                   1432: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1433: 	}
                   1434: 	$result.= '</td><td>';
                   1435: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1436: 	    $result .= &mt('Awaiting Review');
                   1437: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1438: 	    $result .= &mt('Under Review');
1.58      albertel 1439: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1440: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1441: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1442: 	    $result .= &mt('Awaiting Grading');
                   1443: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1444: 	    $result .= &mt('Being Graded');
1.58      albertel 1445: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1446: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1447: 	} else {
                   1448: 	    $result.="&nbsp;";
                   1449: 	}
                   1450: 	$result.= '</td></tr>';
                   1451:     }
                   1452:     $result.='</table>';
                   1453:     return $result;
                   1454: }
                   1455: 
                   1456: sub get_student_status {
1.86      albertel 1457:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1458: 
                   1459:     my %status;
                   1460: 
                   1461:     if ($type eq 'Task') {
                   1462: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1463: 					  $udom,$uname);
1.89    ! albertel 1464: 	$status{'status'}=$record{'resource.0.status'};
        !          1465: 	$status{'version'}=$record{'resource.0.version'};
        !          1466: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1467:     }
                   1468:     $status{'reviewqueue'}=
                   1469: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1470: 			     &encode_queue_key($symb,$udom,$uname));
                   1471:     $status{'gradingqueue'}=
                   1472: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1473: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1474:     return %status;
                   1475: }
                   1476: 
1.1       albertel 1477: sub start_ClosingParagraph {
                   1478:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1479:     my $result;
                   1480:     if ($target eq 'web') {
1.13      albertel 1481:     } elsif ($target eq 'webgrade') {
                   1482: 	&Apache::lonxml::startredirection();
1.1       albertel 1483:     }
                   1484:     return $result;
                   1485: }
                   1486: 
                   1487: sub end_ClosingParagraph {
                   1488:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1489:     my $result;
                   1490:     if ($target eq 'web') {
1.13      albertel 1491:     } elsif ($target eq 'webgrade') {
                   1492: 	&Apache::lonxml::endredirection();
1.1       albertel 1493:     }
                   1494:     return $result;
                   1495: }
                   1496: 
1.19      albertel 1497: sub get_id {
                   1498:     my ($parstack,$safeeval)=@_;
                   1499:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1500:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1501:     return $id;
                   1502: }
                   1503: 
1.1       albertel 1504: my %dimension;
                   1505: sub start_Dimension {
                   1506:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1507:     undef(%dimension);
1.19      albertel 1508:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1509:     $Apache::bridgetask::dimension=$dim_id;
                   1510:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1511:     undef(@Apache::bridgetask::instance);
1.20      albertel 1512:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1513: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1514:     &Apache::lonxml::startredirection();
                   1515:     return &internal_location($dim_id);
1.1       albertel 1516: }
                   1517: 
1.13      albertel 1518: sub get_instance {
1.75      albertel 1519:     my ($dim)=@_;
                   1520:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1521:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1522: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1523: 	$rand_alg eq '64bit4' ) {
                   1524: 	&Apache::response::pushrandomnumber();
                   1525: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1526: 	my $num=@order;
                   1527: 	my $version=&get_version();
                   1528: 	my $which=($version-1)%$num;
                   1529: 	return $order[$which];
                   1530:     } else {
                   1531: 	my ($version,$previous) = &get_version();
                   1532: 	my $instance = 
                   1533: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1534: 	if (defined($instance)) { return $instance; }
                   1535: 
                   1536: 	&Apache::response::pushrandomnumber();
                   1537: 	my @instances = @{$dimension{'instances'}};
                   1538: 	# remove disabled instances
                   1539: 	for (my $i=0; $i < $#instances; $i++) {
                   1540: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1541: 		splice(@instances,$i,1);
                   1542: 		$i--;
                   1543: 	    }
                   1544: 	}
                   1545: 	@instances = &Math::Random::random_permutation(@instances);
                   1546: 	$instance  = $instances[($version-1)%scalar(@instances)];
                   1547: 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1548: 	    $instance;
1.79      albertel 1549: 	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 1550: 	&Apache::response::poprandomnumber();
                   1551: 	return $instance;
                   1552:     }
1.13      albertel 1553: }
                   1554: 
1.18      albertel 1555: {
                   1556:     my $last_link;
                   1557:     sub end_Dimension {
                   1558: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1559: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1560: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1561: 	my $instance=&get_instance($dim);
1.25      albertel 1562: 	my $version=&get_version();
1.18      albertel 1563: 	if ($target eq 'web') {
1.47      albertel 1564: 	    @Apache::scripttag::parser_env = @_;
                   1565: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1566: 	    my @instances = $instance;
                   1567: 	    if (&Apache::response::showallfoils()) {
                   1568: 		@instances = @{$dimension{'instances'}};
                   1569: 	    }
                   1570: 	    foreach my $instance (@instances) {
                   1571: 		@Apache::scripttag::parser_env = @_;
                   1572: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89    ! albertel 1573: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
        !          1574: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1575: 
1.89    ! albertel 1576: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1577: 		    my $mandatory='Mandatory';
                   1578: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1579: 			$mandatory='Optional';
                   1580: 		    }
                   1581: 		    my $dim_info="<div class='$dim_status'>\n";
                   1582: 		    if ($dim_status eq 'pass') {
                   1583: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1584: 		    }
1.76      albertel 1585: 		    if ($dim_status eq 'fail') {
                   1586: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1587: 		    }
1.76      albertel 1588: 		    my $man_count=0;
                   1589: 		    my $man_passed=0;
                   1590: 		    my $opt_count=0;
                   1591: 		    my $opt_passed=0;
                   1592: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1593: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1594: 			    eq 'N') {
                   1595: 			    $opt_count++;
1.89    ! albertel 1596: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1597: 				$opt_passed++;
                   1598: 			    }
                   1599: 			} else {
                   1600: 			    $man_count++;
1.89    ! albertel 1601: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1602: 				$man_passed++;
                   1603: 			    }
                   1604: 			}
1.22      albertel 1605: 		    }
1.76      albertel 1606: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1607: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1608: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1609: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1610: 
                   1611: 		    my $internal_location=&internal_location($dim);
                   1612: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1613: 
                   1614: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89    ! albertel 1615: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
        !          1616: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1617: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1618: 			if ($mandatory) {
                   1619: 			    $mandatory='Mandatory';
                   1620: 			} else {
                   1621: 			    $mandatory='Optional';
                   1622: 			}
                   1623: 			if ($status eq 'fail') {
                   1624: 			} elsif ($status eq 'pass') {
                   1625: 			} else {
                   1626: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1627: 			}
                   1628: 			my $status_display=$status;
                   1629: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1630: 			@Apache::scripttag::parser_env = @_;
                   1631: 			$result.='<div class="'.$status.'"><h4>'.$mandatory.
                   1632: 			    ' Criteria</h4><p>';
                   1633: 			@Apache::scripttag::parser_env = @_;
                   1634: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
                   1635: 			$result.='</p><p class="grade">'.$status_display.'</p>';
1.89    ! albertel 1636: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
        !          1637: 			    $result.='<p class="comment">'.$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}.'</p>';
1.76      albertel 1638: 			}
                   1639: 			$result.='</div>';
1.22      albertel 1640: 		    }
                   1641: 		}
                   1642: 	    }
1.18      albertel 1643: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1644: 	    # in case of any side effects that we need
                   1645: 	    @Apache::scripttag::parser_env = @_;
                   1646: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1647: 	    @Apache::scripttag::parser_env = @_;
                   1648: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1649: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1650: 		my $link='criteria_'.$instance.'_'.$id;
1.89    ! albertel 1651: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.19      albertel 1652: 		$result.='<tr><td width="100%" valign="top">'.
1.18      albertel 1653: 		    '<a name="'.$link.'" />'.
                   1654: 		    '<a name="next_'.$last_link.'" />'.
1.47      albertel 1655: 		    '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';
                   1656: 		@Apache::scripttag::parser_env = @_;
                   1657: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
                   1658: 		$result.='</textarea>'.
1.18      albertel 1659: 		    #$dimension{$instance.'.criteria.'.$id}.
                   1660: 		    '</td>'.
1.19      albertel 1661: 		    '<td><nobr>Additional Comment for Student</nobr> <br />'.
1.89    ! albertel 1662: 		    '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'.
1.18      albertel 1663: 		    '</td>'.
                   1664: 		    '<td>'.
1.47      albertel 1665: 		    '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.
1.30      albertel 1666: 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
                   1667: 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
                   1668: 		    '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
1.18      albertel 1669: 		    '</td>'.
                   1670: 		    '<td>'.
                   1671: 		    '<a href="#'.$last_link.'">Prev</a><br />'.
1.20      albertel 1672: 		    '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
1.18      albertel 1673: 		    '</td></tr>';
                   1674: 		$last_link=$link;
                   1675: 	    }
1.22      albertel 1676: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1677: 	    my $optional_passed=0;
1.20      albertel 1678: 	    my $mandatory_failed=0;
                   1679: 	    my $ungraded=0;
                   1680: 	    my $review=0;
1.19      albertel 1681: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89    ! albertel 1682: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
        !          1683: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
1.20      albertel 1684: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1685: 		if ($status eq 'pass') {
                   1686: 		    if (!$mandatory) { $optional_passed++; }
                   1687: 		} elsif ($status eq 'fail') {
                   1688: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1689: 		} elsif ($status eq 'review') {
                   1690: 		    $review++;
1.20      albertel 1691: 		} elsif ($status eq 'ungraded') {
                   1692: 		    $ungraded++;
1.21      albertel 1693: 		} else {
1.47      albertel 1694: 		    $ungraded++;
1.19      albertel 1695: 		}
                   1696: 	    }
1.20      albertel 1697: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1698: 		$mandatory_failed++;
                   1699: 	    }
1.21      albertel 1700: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1701: 	    if ($review) {
1.89    ! albertel 1702: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1703: 		    'review';
1.20      albertel 1704: 	    } elsif ($ungraded) {
1.89    ! albertel 1705: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1706: 		    'ungraded';
1.20      albertel 1707: 	    } elsif ($mandatory_failed) {
1.89    ! albertel 1708: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1709: 		    'fail';
1.20      albertel 1710: 	    } else {
1.25      albertel 1711: 		$Apache::lonhomework::results{"resource.$version.$dim.status"}=
1.22      albertel 1712: 		    'pass';
1.20      albertel 1713: 	    }
1.69      albertel 1714: 	} else {
                   1715: 	    # any other targets no output
                   1716: 	    undef($result);
1.13      albertel 1717: 	}
1.18      albertel 1718: 	return $result;
1.1       albertel 1719:     }
                   1720: }
                   1721: 
                   1722: sub start_IntroParagraph {
1.87      albertel 1723:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1724:     my $result;
1.13      albertel 1725:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1726: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1727: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1728: 	
                   1729: 	} elsif ($target eq 'webgrade') {
1.87      albertel 1730: 	    &Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.1       albertel 1731: 	}
1.47      albertel 1732: 	
1.1       albertel 1733:     }
                   1734:     return $result;
                   1735: }
                   1736: 
                   1737: sub end_IntroParagraph {
                   1738: }
                   1739: 
                   1740: sub start_Instance {
                   1741:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1742:     my $id=&get_id($parstack,$safeeval);
                   1743:     push(@{$dimension{'instances'}},$id);
                   1744:     push(@Apache::bridgetask::instance,$id);
                   1745:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1746:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1747: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1748:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1749:     if (lc($disabled) eq 'yes') {
                   1750: 	$dimension{$id.'.disabled'}='1';
                   1751:     }
1.1       albertel 1752:     return '';
                   1753: }
                   1754: 
                   1755: sub end_Instance {
                   1756: }
                   1757: 
                   1758: sub start_InstanceText {
1.87      albertel 1759:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 1760:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1761:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.13      albertel 1762:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1763: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 1764:     }
                   1765:     return '';
                   1766: }
                   1767: 
                   1768: sub end_InstanceText {
                   1769:     return '';
                   1770: }
                   1771: 
                   1772: sub start_Criteria {
1.87      albertel 1773:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 1774:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1775:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 1776:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 1777: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 1778: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 1779: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   1780: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 1781: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   1782:     }
                   1783:     return '';
                   1784: }
                   1785: 
1.47      albertel 1786: sub end_Criteria {
                   1787: }
                   1788: 
1.4       albertel 1789: sub proctor_validation_screen {
                   1790:     my ($slot) = @_;
                   1791:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 1792:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 1793:     my $name=&Apache::loncommon::plainname($user,$domain);
                   1794:     
1.4       albertel 1795:     my $msg;
1.11      albertel 1796:     if ($env{'form.proctorpassword'}) {
1.4       albertel 1797: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   1798: 	    .'</font></p>';
                   1799:     }
1.47      albertel 1800:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 1801:     my $result= (<<ENDCHECKOUT);
                   1802: <h2>Proctor Validation</h2>
                   1803:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   1804:     $msg
1.11      albertel 1805: <form name="checkout" method="POST" action="$env{'request.uri'}">
1.4       albertel 1806: <input type="hidden" name="validate" value="yes" />
                   1807: <input type="hidden" name="submitted" value="yes" />
                   1808: <table>
1.44      albertel 1809:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 1810:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 1811:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 1812: </table>
                   1813: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 1814: <table border="1">
                   1815:   <tr><td>
                   1816:     <table>
                   1817:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   1818:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 1819:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.44      albertel 1820:       <tr><td>Usename</td><td>$user\@$domain</td></tr>
                   1821:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   1822:     </table>
                   1823:   </tr></td>
                   1824: </table>
1.4       albertel 1825: </form>
                   1826: ENDCHECKOUT
                   1827:     return $result;
                   1828: }
                   1829: 
1.1       albertel 1830: 1;
                   1831: __END__

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