Annotation of loncom/homework/bridgetask.pm, revision 1.150

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.150   ! albertel    4: # $Id: bridgetask.pm,v 1.149 2006/05/12 05:18:34 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 $possible (@allowed) {
1.138     albertel   69: 	my ($puser,$pdom)=(split(':',$possible));
1.4       albertel   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: 		    $authenticated=1;
                     80: 		}
                     81: 	    }
1.150   ! albertel   82: 	    if ($authenticated) {
        !            83: 		&create_new_version($type,$user,$domain,$slot_name);
1.4       albertel   84: 		return 1;
                     85: 	    }
                     86: 	}
                     87:     }
                     88:     return 0;
                     89: }
                     90: 
1.150   ! albertel   91: sub create_new_version {
        !            92:     my ($type,$user,$domain,$slot_name) = @_;
        !            93:     if ($type eq 'Task') {
        !            94: 	# increment version
        !            95: 	my $version=
        !            96: 	    $Apache::lonhomework::history{'resource.0.version'};
        !            97: 	$version++;
        !            98: 	
        !            99: 	#clean out all current results
        !           100: 	foreach my $key (keys(%Apache::lonhomework::history)) {
        !           101: 	    if ($key=~/^resource\.0\./) {
        !           102: 		$Apache::lonhomework::results{$key}='';
        !           103: 	    }
        !           104: 	}
        !           105: 	
        !           106: 	#setup new version and who did it
        !           107: 	$Apache::lonhomework::results{'resource.0.version'}=$version;
        !           108: 	if (defined($user) && defined($domain)) {
        !           109: 	    $Apache::lonhomework::results{"resource.$version.0.checkedin"}=
        !           110: 		$user.':'.$domain;
        !           111: 	}
        !           112: 	if (defined($slot_name)) {
        !           113: 	    $Apache::lonhomework::results{"resource.$version.0.checkedin.slot"}=
        !           114: 		$slot_name;
        !           115: 	}
        !           116:     } elsif ($type eq 'problem') {
        !           117: 	&Apache::lonxml::debug("authed $slot_name");
        !           118: 	if (defined($user) && defined($domain)) {
        !           119: 	    $Apache::lonhomework::results{"resource.0.checkedin"}=
        !           120: 		$user.':'.$domain;
        !           121: 	}
        !           122: 	if (defined($slot_name)) {
        !           123: 	    $Apache::lonhomework::results{"resource.0.checkedin.slot"}=
        !           124: 		$slot_name;
        !           125: 	}
        !           126:     }
        !           127: }
        !           128: 
1.25      albertel  129: sub get_version {
1.29      albertel  130:     my ($version,$previous);
1.25      albertel  131:     if ($env{'form.previousversion'} && 
1.36      albertel  132: 	$env{'form.previousversion'} ne 'current' &&
1.89      albertel  133: 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
1.29      albertel  134: 	$version=$env{'form.previousversion'};
                    135: 	$previous=1;
                    136:     } else {
1.150   ! albertel  137: 	if (defined($Apache::lonhomework::results{'resource.0.version'})) {
        !           138: 	    $version=$Apache::lonhomework::results{'resource.0.version'};
        !           139: 	} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
        !           140: 	    $version=$Apache::lonhomework::history{'resource.0.version'};
        !           141: 	}
1.29      albertel  142: 	$previous=0;
                    143:     }
                    144:     if (wantarray) {
                    145: 	return ($version,$previous);
1.25      albertel  146:     }
1.29      albertel  147:     return $version;
1.25      albertel  148: }
                    149: 
1.8       albertel  150: sub add_previous_version_button {
1.25      albertel  151:     my ($status)=@_;
1.8       albertel  152:     my $result;
1.89      albertel  153:     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
1.25      albertel  154: 	return '';
                    155:     }
1.89      albertel  156:     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
1.29      albertel  157: 	$status ne 'NEEDS_CHECKIN') {
1.25      albertel  158: 	return '';
                    159:     }
1.29      albertel  160:     my $version=&get_version();
                    161:     if ($env{'form.previousversion'} ne '' &&
                    162: 	$env{'form.previousversion'} eq $version) {
                    163: 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
                    164: 	    "</h3>\n";
                    165:     }
                    166:     my @to_show;
1.89      albertel  167:     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
                    168: 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
1.29      albertel  169: 	    push(@to_show,$test_version);
                    170: 	}
                    171:     }
                    172:     my $list='<option>'.
                    173: 	join("</option>\n<option>",@to_show).
                    174: 	     "</option>\n";
1.36      albertel  175:     $list.='<option value="current">'.&mt('Current').'</option>';
1.115     albertel  176:     $result.='<form name="getprevious" method="post" action="';
1.29      albertel  177:     my $uri=$env{'request.uri'};
                    178:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    179:     $result.=$uri.'">'.
                    180: 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
                    181: <option>'.&mt('Pick one').'</option>
                    182: '.$list.'
                    183: </select>')."</form>";
1.8       albertel  184:     return $result;
                    185: }
                    186: 
1.13      albertel  187: sub add_grading_button {
1.59      albertel  188:     my (undef,$cid)=&Apache::lonxml::whichuser();
                    189:     my $cnum=$env{'course.'.$cid.'.num'};
                    190:     my $cdom=$env{'course.'.$cid.'.domain'};
1.144     albertel  191:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
                    192: 
1.59      albertel  193:     my $size=5;
                    194:     if (scalar(keys(%sections)) < 3) {
                    195: 	$size=scalar(keys(%sections))+2;
                    196:     }
1.122     albertel  197:     my $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
1.59      albertel  198:     $sec_select .= "<option value='all' selected='selected'>all</option>\n";
                    199:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
1.122     albertel  200: 	$sec_select .= "<option value=\"$sec\">$sec</option>\n";
1.59      albertel  201:     }
                    202:     $sec_select .= "<option value='none'>none</option></select>\n";
                    203:     
1.29      albertel  204:     my $result=' <input type="submit" name="gradeasubmission" value="'.
1.13      albertel  205: 	&mt("Get a submission to grade").'" />';
                    206:     $result.='<input type="hidden" name="grade_target" value="webgrade" />';
1.40      albertel  207:     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.34      albertel  208: 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
1.106     albertel  209: 	$result.='<table><tr>';
                    210: 	$result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
                    211: 	$result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
                    212: 	    &mt("Select an entry from the grading queue:").'" /> ';
1.34      albertel  213: 
1.107     albertel  214: 	$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
1.34      albertel  215: 
                    216: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
1.106     albertel  217: 	$result.='<tr><td>'.
                    218: 	    ' <input type="submit" name="reviewasubmission" value="'.
                    219: 	    &mt("Select an entry from the review queue:").'" /> ';
                    220: 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
                    221: 		     $entries,$ready,$locks).'</td></tr>'."\n";
                    222: 	$result.='<tr><td> <input type="submit" name="regradeasubmission" value="'.
                    223: 	    &mt("List of user's grade status").'" /> </td></tr></table>'."\n";
1.105     albertel  224: 	$result.='<p> <input type="submit" name="regradeaspecificsubmission" value="'.
1.106     albertel  225: 	    &mt("Regrade specific user:").'" />'."\n";
1.105     albertel  226: 	$result.='<input type="text" size="12" name="gradinguser" />';
                    227: 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
                    228: 						     'gradingdomain');
                    229: 	$result.=' '.
                    230: 	    &Apache::loncommon::selectstudent_link('gradesubmission',
                    231: 						   'gradinguser',
                    232: 						   'gradingdomain');
                    233: 	$result.=&Apache::loncommon::studentbrowser_javascript();
1.123     albertel  234: 	$result.= '</p>';
1.144     albertel  235:     }
1.13      albertel  236:     return $result;
                    237: }
                    238: 
1.22      albertel  239: sub add_request_another_attempt_button {
1.38      albertel  240:     my ($text)=@_;
                    241:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  242:     my $result;
1.36      albertel  243:     my $symb=&Apache::lonnet::symbread();
1.149     albertel  244:     # not a slot access based resource
                    245:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
                    246:     if ($useslots =~ /^\s*no\s*$/i) {
                    247: 	return '';
                    248:     }
                    249: 
1.37      albertel  250:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  251:     my $action='get_reservation';
1.37      albertel  252:     if ($slot_name) {
1.38      albertel  253: 	$text="Change reservation.";
                    254: 	$action='change_reservation';
1.37      albertel  255: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    256: 							      $slot);
                    257: 	$result.=(<<STUFF);
                    258: <p> Will be next available: $description </p>
                    259: STUFF
                    260:     }
1.38      albertel  261:     
                    262:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
                    263:     $symb=&Apache::lonnet::escape($symb);
1.115     albertel  264:     $result.='<form method="post" action="/adm/slotrequest">'.
1.38      albertel  265: 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
                    266: 	'<input type="hidden" name="command" value="'.$action.'" />'.
                    267: 	'<input type="submit" name="requestattempt" value="'.
                    268: 	&mt($text).'" />'.
                    269: 	'</form>';
1.25      albertel  270:     return $result;
1.22      albertel  271: }
                    272: 
1.30      albertel  273: sub preserve_grade_info {
                    274:     my $result;
                    275:     # if we are viewing someone else preserve that info
                    276:     if (defined $env{'form.grade_symb'}) {
                    277: 	foreach my $field ('symb','courseid','domain','username') {
                    278: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    279: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    280: 	}
                    281:     }
                    282:     return $result;
                    283: }
                    284: 
1.53      albertel  285: sub style {
1.125     albertel  286:     my ($target) = @_;
                    287:     if ($target eq 'web'
                    288: 	|| $target eq 'webgrade') {
                    289: 	return (<<STYLE);
1.126     albertel  290: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
1.53      albertel  291: STYLE
1.125     albertel  292:     }
                    293:     return;
1.53      albertel  294: }
                    295: 
1.54      albertel  296: sub show_task {
                    297:     my ($status,$previous)=@_;
                    298:     if (!$previous && (
                    299: 		       ( $status eq 'CLOSED' ) ||
                    300: 		       ( $status eq 'BANNED') ||
                    301: 		       ( $status eq 'UNAVAILABLE') ||
                    302: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    303: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    304: 		       ( $status eq 'WAITING_FOR_GRADE') ||
1.150   ! albertel  305: 		       ( $status eq 'INVALID_ACCESS') ||
        !           306: 		       ( &get_version() eq ''))) {
1.54      albertel  307: 	return 0;
                    308:     }
1.64      albertel  309:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  310:     return 1;
                    311: }
                    312: 
                    313: sub internal_location {
                    314:     my ($id)=@_;
                    315:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    316: }
                    317: 
1.60      albertel  318: sub submission_time_stamp {
                    319:     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
                    320:     my $submissiontime;
1.89      albertel  321:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  322:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
                    323: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
                    324: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
                    325: 	}
                    326:     }
                    327:     my $result;
                    328:     if ($submissiontime) {
1.89      albertel  329: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  330: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    331: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  332: 	my ($color,$when)=('#FF6666','after');
                    333: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  334: 	my $info;
                    335: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    336: 	$diff=int($diff/60);
                    337: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    338: 	$diff=int($diff/60);
                    339: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    340: 	$result='<p><font color="'.$color.'">'.
                    341: 	    &mt('Student submitted [_1] [_2] the deadline. 
                    342:                  (Submission was at [_3], end of period was [_4].)',
                    343: 		$info,$when,scalar(localtime($submissiontime)),
                    344: 		scalar(localtime($slot{'endtime'}))).
                    345: 		'</font></p>';
                    346:     }
                    347:     return $result;
                    348: }
                    349: 
1.119     albertel  350: sub file_list {
                    351:     my ($files,$uname,$udom) = @_;
                    352:     if (!defined($uname) || !defined($udom)) {
                    353: 	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
                    354:     }
1.70      albertel  355:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.119     albertel  356: 
1.120     albertel  357:     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
1.119     albertel  358:     foreach my $partial_file (split(',',$files)) {
1.70      albertel  359: 	my $file=$file_url.$partial_file;
                    360: 	$file=~s|/+|/|g;
                    361: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.73      albertel  362: 	$file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
1.109     albertel  363: 	    &Apache::loncommon::icon($file).'" border="0"> '.$file.
1.70      albertel  364: 	    '</a></nobr></li>'."\n";
                    365:     }
                    366:     $file_list.="</ul>\n";
1.119     albertel  367:     return $file_list;
                    368: }
                    369: 
                    370: sub webgrade_standard_info {
                    371:     my ($version)=&get_version();
                    372: 
                    373:     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
1.70      albertel  374: 
1.118     albertel  375:     my %lt=&Apache::lonlocal::texthash('done' => 'Next Item',
                    376: 				       'stop' => 'Quit Grading',
1.143     albertel  377: 				       'fail' => 'Fail Rest',
1.70      albertel  378: 				       );
                    379: 				       
                    380:     my $result=<<INFO;
1.120     albertel  381:   <div class="LC_GRADING_maincontrols">
1.111     albertel  382:     <input type="submit" name="next" value="$lt{'done'}" />
                    383:     <input type="submit" name="stop" value="$lt{'stop'}" />
1.143     albertel  384:     <input type="button" name="fail" value="$lt{'fail'}" 
                    385:            onclick="javascript:onFailRest()" />
1.111     albertel  386:   </div>
1.70      albertel  387:   $file_list
                    388: INFO
                    389:     return $result;
                    390: }
                    391: 
1.1       albertel  392: sub start_Task {
1.87      albertel  393:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  394: 
1.4       albertel  395:     my ($status,$accessmsg,$slot);
1.16      albertel  396:     if ($target ne 'webgrade') {
1.70      albertel  397: 	&Apache::structuretags::init_problem_globals('Task');
1.16      albertel  398: 	&Apache::structuretags::initialize_storage();
                    399: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  400: 	if ($env{'request.state'} eq 'construct') {
                    401: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    402: 	}
1.16      albertel  403:     } 
                    404: 
1.4       albertel  405:     $Apache::lonhomework::parsing_a_task=1;
1.141     albertel  406: 
                    407:     my $name;
                    408:     if ($target eq 'web' || $target eq 'webgrade') {
                    409: 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    410:     }
                    411: 
1.145     albertel  412:     my ($result,$form_tag_start);
                    413:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
                    414: 	|| $target eq 'edit') {
                    415: 	($result,$form_tag_start) =
                    416: 	    &Apache::structuretags::page_start($target,$token,$tagstack,
                    417: 					       $parstack,$parser,$safeeval,
1.146     albertel  418: 					       $name,&style($target));
1.145     albertel  419: 	$result .= '<div class="LC_task">'."\n";
                    420:     }
1.123     albertel  421: 
1.74      albertel  422:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.147     albertel  423: 	if ($Apache::lonhomework::queuegrade
                    424: 	    || $Apache::lonhomework::modifygrades) {
1.141     albertel  425: 	    $result.='<form name="gradesubmission" method="post" action="';
1.13      albertel  426: 	    my $uri=$env{'request.uri'};
                    427: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.141     albertel  428: 	    $result.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  429: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  430: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.141     albertel  431: 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  432: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    433: 		    '<input type="hidden" name="command" value="showslots" />'.
                    434: 		    '<input type="submit" name="requestattempt" value="'.
                    435: 		    &mt('Show Slot list').'" />'.
                    436: 		    '</form>';
1.108     albertel  437: 		my $target_id = 
                    438: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    439: 							     part => '0'});
1.141     albertel  440: 		$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  441: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    442: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    443: 		    '<input type="submit" name="grading" value="'.
                    444: 		    &mt('Show Grading Status').'" />'.
                    445: 		    '</form>';
1.40      albertel  446: 	    }
1.13      albertel  447: 	}
1.8       albertel  448:     }
1.74      albertel  449:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    450: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    451:     }
1.21      albertel  452:     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
1.1       albertel  453: 	$target eq 'tex') {
1.29      albertel  454: 	my ($version,$previous)=&get_version();
1.14      albertel  455: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  456: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.150   ! albertel  457: 	if ($status eq 'CAN_ANSWER' && $version eq '' && $slot_name eq '') {
        !           458: 	    &create_new_version('Task');
        !           459: 	    ($version,$previous)=&get_version();
        !           460: 	}
        !           461: 
1.9       albertel  462: 	push(@Apache::inputtags::status,$status);
1.14      albertel  463: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  464: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  465: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  466: 	&Apache::run::run($expression,$safeeval);
                    467: 	&Apache::lonxml::debug("Got $status");
1.141     albertel  468: 	$result.=&add_previous_version_button($status);
1.54      albertel  469: 	if (!&show_task($status,$previous)) {
1.87      albertel  470: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  471: 	    if ( $target eq "web" ) {
1.74      albertel  472: 		if ($env{'request.state'} eq 'construct') {
                    473: 		    $result.=$form_tag_start;
                    474: 		}
1.4       albertel  475: 		my $msg;
1.1       albertel  476: 		if ($status eq 'UNAVAILABLE') {
                    477: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  478: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    479: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  480: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  481: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    482: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    483: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  484: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    485: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  486: 		} elsif ($env{'form.donescreen'}) {
                    487: 		    my $title=&Apache::lonnet::gettitle();
1.67      albertel  488: 		    my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
1.114     albertel  489: 		    my (undef,undef,$domain,$user)=
                    490: 			&Apache::lonxml::whichuser();
                    491: 		    my $files = '<ul>';
                    492: 		    foreach my $file (@files) {
                    493: 			my $url="/uploaded/$domain/$user/portfolio$file";
1.130     albertel  494: 			if (! &Apache::lonnet::stat_file($url)) {
                    495: 			    $file = &mt('<font color="red"> Nonexistant file:</font> <tt>[_1]</tt>',$file);
                    496: 			} else {
                    497: 			    $file = '<tt>'.$file.'</tt>';
                    498: 			}
1.114     albertel  499: 			$files .= '<li>'.$file.'</li>';
                    500: 		    }
                    501: 		    $files.='</ul>';
                    502: 
1.64      albertel  503: 		    $result.=<<DONESCREEN;
                    504: <h2>$title</h2>
                    505: <p> Files submitted: $files </p>
1.67      albertel  506: <p> You are now done with this Bridge Task </p>
1.64      albertel  507: <hr />
                    508: <p> <a href="/adm/logout">Logout</a> </p>
                    509: <p> <a href="/adm/roles">Change to a different course</a> </p>
                    510: DONESCREEN
1.1       albertel  511: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    512: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    513: 		}
                    514: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    515: 		    $msg.='The problem '.$accessmsg;
                    516: 		}
                    517: 		$result.=$msg.'<br />';
                    518: 	    } elsif ($target eq 'tex') {
                    519: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    520: 		if ($status eq 'UNAVAILABLE') {
                    521: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    522: 		} else {
                    523: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    524: 		}
1.22      albertel  525: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  526: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  527: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    528: 		       && defined($Apache::inputtags::slot_name)) {
1.148     albertel  529: 			my $result=
                    530: 			    &add_to_queue('gradingqueue',
                    531: 					  {'type' => 'task',
                    532: 					   'time' => time,
                    533: 					   'slot' => 
                    534: 					       $Apache::inputtags::slot_name});
1.77      albertel  535: 			&Apache::lonxml::debug("add_to_queue said $result");
                    536: 		    }
1.4       albertel  537: 		}
1.1       albertel  538: 	    }
                    539: 	} elsif ($target eq 'web') {
1.141     albertel  540: 
1.57      albertel  541: 	    $result.=&preserve_grade_info();
                    542: 	    $result.=&internal_location();
1.36      albertel  543: 	    $result.=$form_tag_start.
                    544: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  545: 	    &Apache::lonxml::startredirection();
1.1       albertel  546: 	}
1.21      albertel  547:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    548: 	      $target eq 'webgrade') {
1.32      albertel  549: 	my $webgrade='yes';
1.21      albertel  550: 	if ($target eq 'webgrade') {
1.141     albertel  551: 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
1.124     albertel  552: 		'<script type="text/javascript" 
1.126     albertel  553:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  554: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    555: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  556: 	}
1.33      albertel  557: 	# FIXME Blast! still need to reorg this, need to reshow the
                    558:         #       queue being reviewed once done with the grade pass...
                    559:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    560:         #       perhaps do a search if there is a key that is mine and if
                    561:         #       there isn't reshow the queue....
1.105     albertel  562: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  563: 
                    564: 	if ($todo) {
                    565: 	    &setup_env_for_other_user($todo,$safeeval);
                    566: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    567: 	    $result.="\n".'<table><tr><td>Found '.
                    568: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    569: 	    $form_tag_start.=
                    570: 		'<input type="hidden" name="gradingkey" value="'.
                    571: 		&Apache::lonnet::escape($todo).'" />';
                    572: 	    $Apache::bridgetask::queue_key=$todo;
                    573: 	    &Apache::structuretags::initialize_storage();
                    574: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  575: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    576: 		$form_tag_start.=
                    577: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  578: 	    }
1.15      albertel  579: 	} else {
1.33      albertel  580: 	    if ($target eq 'webgrade') {
                    581: 		$result.="\n";
1.81      albertel  582: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    583: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  584: 		if      ($status_code eq 'stop') {
1.81      albertel  585: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.33      albertel  586: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  587: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  588: 			.'</b>'.$back;
1.33      albertel  589: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  590: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    591: 			.'</b>'.$back;
1.33      albertel  592: 		    $result.=&show_queue($env{'form.queue'},1);
                    593: 		} elsif ($status_code eq 'show_list') {
                    594: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  595: 		} elsif ($status_code eq 'select_user') {
                    596: 		    $result.=&select_user();
1.95      albertel  597: 		} elsif ($status_code eq 'unable') {
                    598: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  599: 		} elsif ($status_code eq 'not_allowed') {
                    600: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  601: 		} else {
1.81      albertel  602: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  603: 		}
1.21      albertel  604: 	    }
1.33      albertel  605: 	    $webgrade='no';
1.87      albertel  606: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  607: 	}
                    608: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  609: 	    if ($webgrade eq 'yes') {
                    610: 		$result.=&submission_time_stamp();
                    611: 	    }
1.32      albertel  612: 	    $result.=$form_tag_start;
                    613: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    614: 		$webgrade.'" />';
                    615: 	    $result.='<input type="hidden" name="queue" value="'.
                    616: 		$env{'form.queue'}.'" />';
1.52      albertel  617: 	    if ($env{'form.regrade'}) {
                    618: 		$result.='<input type="hidden" name="regrade" value="'.
                    619: 		    $env{'form.regrade'}.'" />';
                    620: 	    }
1.62      albertel  621: 	    if ($env{'form.chosensections'}) {
                    622: 		my @chosen_sections=
                    623: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    624: 		foreach my $sec (@chosen_sections) {
                    625: 		    $result.='<input type="hidden" name="chosensections" 
                    626:                                value="'.$sec.'" />';
                    627: 		}
                    628: 	    }
1.70      albertel  629: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  630: 	}
1.110     albertel  631: 	if ($target eq 'webgrade') {
1.120     albertel  632: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.110     albertel  633: 	}
1.74      albertel  634:     } elsif ($target eq 'edit') {
1.141     albertel  635: 	$result.=$form_tag_start.
1.74      albertel  636: 	    &Apache::structuretags::problem_edit_header();
                    637: 	$Apache::lonxml::warnings_error_header=
                    638: 	    &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 />";
                    639: 	my $temp=&Apache::edit::insertlist($target,$token);
                    640: 	$result.=$temp;
1.1       albertel  641:     } else {
                    642: 	# page_start returned a starting result, delete it if we don't need it
                    643: 	$result = '';
                    644:     }
                    645:     return $result;
                    646: }
                    647: 
1.32      albertel  648: sub get_key_todo {
                    649:     my ($target)=@_;
                    650:     my $todo;
1.33      albertel  651: 
                    652:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  653: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  654: 	$env{'form.queue'}='reviewqueue';
                    655: 	return (undef,'show_list');
                    656:     }
                    657: 
                    658:     if (defined($env{'form.reviewagrading'})) {
                    659: 	&Apache::lonxml::debug("review a grading....");
                    660: 	$env{'form.queue'}='gradingqueue';
                    661: 	return (undef,'show_list');
                    662:     }
                    663: 
1.49      albertel  664:     if (defined($env{'form.regradeasubmission'})) {
                    665: 	&Apache::lonxml::debug("regrade a grading....");
                    666: 	$env{'form.queue'}='none';
                    667: 	return (undef,'select_user');
                    668:     }
                    669: 
1.105     albertel  670: 
1.138     albertel  671:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.105     albertel  672: 
                    673:     #need to try both queues..
                    674:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    675: 	defined($env{'form.gradinguser'})               &&
                    676: 	defined($env{'form.gradingdomain'})               ) {
                    677: 	my ($symb,$cid)=&Apache::lonxml::whichuser();
                    678: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    679: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    680: 	my $uname = $env{'form.gradinguser'};
                    681: 	my $udom  = $env{'form.gradingdomain'};
                    682: 
                    683: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    684: 
                    685: 	my $queue;
                    686: 
                    687: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    688: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    689: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    690: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    691: 	}
                    692: 	
                    693: 	if (!$queue) {
                    694: 	    $env{'form.queue'} = $queue = 'none';
                    695: 	    #not queued so doing either a re or pre grade
                    696: 	    return ($gradingkey);
                    697: 	}
                    698: 
                    699: 	my $who=&queue_key_locked($queue,$gradingkey);
                    700: 	if ($who eq $me) {
                    701: 	    #already have the lock
                    702: 	    $env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);
                    703: 	    return ($gradingkey);
                    704: 	}
                    705: 	
                    706: 	if (!defined($who)) {
                    707: 	    if (&lock_key($queue,$gradingkey)) {
                    708: 		return ($gradingkey);
                    709: 	    } else {
                    710: 		return (undef,'lock_failed');
                    711: 	    }
                    712: 	}
                    713: 
                    714: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    715: 	return (undef,'not_allowed',
                    716: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
1.138     albertel  717: 		    $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
1.105     albertel  718:     }
                    719: 
                    720: 
1.32      albertel  721:     my $queue=$env{'form.queue'};
1.33      albertel  722: 
1.32      albertel  723:     if (!defined($queue)) {
                    724: 	$env{'form.queue'}=$queue='gradingqueue';
                    725:     }
1.33      albertel  726: 
1.32      albertel  727:     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.33      albertel  728: 
1.49      albertel  729:     if ($env{'form.queue'} eq 'none') {
                    730: 	if (defined($env{'form.gradingkey'})) {
                    731: 	    if ($target eq 'webgrade') {
                    732: 		if ($env{'form.stop'}) {
                    733: 		    return (undef,'stop');
                    734: 		} elsif ($env{'form.next'}) {
1.59      albertel  735: 		    return (undef,'select_user');
1.49      albertel  736: 		}
                    737: 	    }
                    738: 	    return ($gradingkey,'selected');
                    739: 	} else {
1.59      albertel  740: 	    return (undef,'select_user');
1.49      albertel  741: 	}
                    742:     }
1.32      albertel  743:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  744: 	&& !defined($env{'form.gradingaction'}) 
                    745: 	&& $env{'form.queuemode'} eq 'selected') {
                    746: 	
                    747: 	my $who=&queue_key_locked($queue,$gradingkey);
                    748: 	if ($who eq $me) {
                    749: 	    &Apache::lonxml::debug("Found a key was given to me");
                    750: 	    return ($gradingkey,'selected');
                    751: 	} else {
                    752: 	    return (undef,'show_list');
                    753: 	}
                    754: 
                    755:     }
                    756: 
                    757:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    758: 	if ($env{'form.gradingaction'} eq 'resume') {
                    759: 	    delete($env{'form.gradingaction'});
                    760: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  761: 	    return ($gradingkey);
1.33      albertel  762: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    763: 	    &Apache::lonxml::debug("Unlocking a key ".
                    764: 				     &check_queue_unlock($queue,$gradingkey,1));
                    765: 	    return (undef,'unlock');
                    766: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    767: 	    &Apache::lonxml::debug("Locking a key");
                    768: 	    if (&lock_key($queue,$gradingkey)) {
                    769: 		&Apache::lonxml::debug("Success $queue");
                    770: 		return ($gradingkey);
                    771: 	    }
                    772: 	    &Apache::lonxml::debug("Failed $queue");
                    773: 	    return (undef,'lock_failed');
1.32      albertel  774: 	}
                    775:     }
1.33      albertel  776: 
                    777:     if ($env{'form.queuemode'} ne 'selected') {
                    778: 	# don't get something new from the queue if they hit the stop button
                    779:     	if (!($env{'form.stop'} && $target eq 'webgrade') 
                    780: 	    && !$env{'form.gradingaction'}) {
                    781: 	    &Apache::lonxml::debug("Getting anew $queue");
                    782: 	    return (&get_from_queue($queue));
                    783: 	} else {
                    784: 	    return (undef,'stop');
                    785: 	}
1.32      albertel  786:     }
1.33      albertel  787:     return (undef,undef)
1.32      albertel  788: }
1.94      albertel  789: 
                    790: sub minimize_storage {
                    791:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    792: 	if ($key =~ /regrader$/) { next; }
                    793: 	if ($Apache::lonhomework::results{$key} eq
                    794: 	    $Apache::lonhomework::history{$key}) {
                    795: 	    delete($Apache::lonhomework::results{$key});
                    796: 	}
                    797:     }
                    798: }
                    799: 
1.1       albertel  800: sub end_Task {
                    801:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    802:     my $result='';
                    803:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  804:     my ($version,$previous)=&get_version();
1.1       albertel  805:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  806: 	$target eq 'tex') {
1.69      albertel  807: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  808: 	    if ($target eq 'web') {
1.54      albertel  809: 		if (&show_task($status,$previous)) {
                    810: 		    $result.=&Apache::lonxml::endredirection();
                    811: 		}
1.64      albertel  812: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    813: 		    !$env{'form.donescreen'}) {
1.15      albertel  814: 		    $result.="\n".'<table border="1">'.
1.28      albertel  815: 			&Apache::inputtags::file_selector("$version.0",
                    816: 							  "bridgetask","*",
1.46      albertel  817: 							  'portfolioonly',
                    818: 							  '
                    819: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    820: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  821: 							  "</table>";
1.77      albertel  822: 		}
1.78      albertel  823: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    824: 		    &show_task($status,$previous)) {
1.9       albertel  825: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  826: 		    $result.='</form>';
1.116     albertel  827: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel  828: 		    $result.=<<DONEBUTTON;
1.115     albertel  829: <form name="done" method="post" action="$action">
1.64      albertel  830:    <input type="hidden" name="donescreen" value="1" />
                    831:    <input type="submit" value="Done" />
                    832: </form>
                    833: DONEBUTTON
1.77      albertel  834:                 }
1.56      albertel  835: 		if (&show_task($status,$previous) &&
1.89      albertel  836: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    837: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  838: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  839: 
1.149     albertel  840: 		    my $start_time;
                    841: 
1.80      albertel  842: 		    my $slot_name=
1.89      albertel  843: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.149     albertel  844: 		    if ($slot_name) {
                    845: 			my %slot=&Apache::lonnet::get_slot($slot_name);
                    846: 
                    847: 			$start_time=$slot{'starttime'}
                    848: 		    } else {
                    849: 			$start_time= 
                    850: 			    &Apache::lonnet::EXT('resource.0.opendate');
                    851: 		    }
                    852: 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
1.54      albertel  853: 
1.116     albertel  854: 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
1.54      albertel  855: 		    
                    856: 		    if ($bt_status eq 'pass')  {
                    857: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  858: 			    $start_time.'</h2>';
1.54      albertel  859: 		    }
                    860: 		    if ($bt_status eq 'fail')  {
                    861: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  862: 			    $start_time.'</h2>';
1.54      albertel  863: 			if (!$previous) {
                    864: 			    $status.=&add_request_another_attempt_button();
                    865: 			}
                    866: 		    }
                    867: 		    my $man_count=0;
                    868: 		    my $opt_count=0;
                    869: 		    my $opt_passed=0;
                    870: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    871: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    872: 			    eq 'N') {
                    873: 			    $opt_count++;
1.89      albertel  874: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  875: 				$opt_passed++;
                    876: 			    }
                    877: 			} else {
                    878: 			    $man_count++;
                    879: 			}
                    880: 		    }
                    881: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    882: 							 $parstack,$safeeval);
                    883: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.99      albertel  884: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
1.54      albertel  885: 
                    886: 		    my $internal_location=&internal_location();
                    887: 		    $result=~s/\Q$internal_location\E/$status/;
                    888: 		}
1.142     albertel  889: 		$result.="\n</div>\n".
                    890: 		    &Apache::loncommon::end_page({'discussion' => 1});
1.1       albertel  891: 	    }
                    892: 	}
1.29      albertel  893: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  894: 	    my $award='SUBMITTED';
1.28      albertel  895: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  896: 						    'portfiles',\$award);
1.14      albertel  897: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  898: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    899: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    900: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    901: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    902: 
                    903: 		$Apache::lonhomework::results{"resource.0.award"}=
                    904: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    905: 		    $award;
1.51      albertel  906: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    907: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  908: 	    } else {
                    909: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  910: 		$award = '';
1.10      albertel  911: 	    }
1.4       albertel  912: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    913: 	    &Apache::structuretags::finalize_storage();
1.148     albertel  914: 	    if ($award eq 'SUBMITTED') {
                    915: 		my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                    916: 		if ($useslots =~ /^\s*no\s*$/i) {
                    917: 		    &add_to_queue('gradingqueue',
                    918: 				  {'type' => 'task',
                    919: 				   'time' => time});
                    920: 		} elsif (defined($Apache::inputtags::slot_name)) {
                    921: 		    &add_to_queue('gradingqueue',
                    922: 				  {'type' => 'task',
                    923: 				   'time' => time,
                    924: 				   'slot' => $Apache::inputtags::slot_name});
                    925: 		}
1.14      albertel  926: 	    }
1.79      albertel  927: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    928: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  929: 	}
1.32      albertel  930: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  931: 	    my $optional_required=
                    932: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    933: 					   $safeeval);
                    934: 	    my $optional_passed=0;
                    935: 	    my $mandatory_failed=0;
                    936: 	    my $ungraded=0;
                    937: 	    my $review=0;   
1.21      albertel  938: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  939: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    940: 		my $status=
1.89      albertel  941: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  942: 		my $mandatory=
                    943: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    944: 		if ($status eq 'pass') {
                    945: 		    if (!$mandatory) { $optional_passed++; }
                    946: 		} elsif ($status eq 'fail') {
                    947: 		    if ($mandatory) { $mandatory_failed++; }
                    948: 		} elsif ($status eq 'ungraded') {
                    949: 		    $ungraded++;
                    950: 		} elsif ($status eq 'review') {
                    951: 		    $review++;
1.49      albertel  952: 		} else {
                    953: 		    $ungraded++;
                    954: 		}
1.20      albertel  955: 	    }
                    956: 	    if ($optional_passed < $optional_required) {
                    957: 		$mandatory_failed++;
                    958: 	    }
1.21      albertel  959: 	    &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  960: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.138     albertel  961: 		$env{'user.name'}.':'.$env{'user.domain'};
1.20      albertel  962: 	    if ($review) {
1.89      albertel  963: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  964: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    965: 		    &check_queue_unlock($env{'form.queue'});
                    966: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    967: 		} else {
1.49      albertel  968: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  969: 		}
1.20      albertel  970: 	    } elsif ($ungraded) {
1.89      albertel  971: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  972: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    973: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  974: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  975: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  976: 		} else {
                    977: 		    &check_queue_unlock($env{'form.queue'});
                    978: 		}
1.20      albertel  979: 	    } elsif ($mandatory_failed) {
1.89      albertel  980: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  981: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    982: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    983: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  984: 		&remove_from_queue($env{'form.queue'}); 
                    985: 
                    986: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  987: 		
                    988: 		if ($env{'form.regrade'} ne 'yes') {
                    989: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    990: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    991: 		    &Apache::grades::version_portfiles(
                    992: 						       \%Apache::lonhomework::results,
                    993: 						       ["$version.0.bridgetask"],$courseid,
                    994: 						       $symb,$udom,$uname,
                    995: 						       ["$version.0.bridgetask"]);
                    996: 		}
1.20      albertel  997: 	    } else {
1.89      albertel  998: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  999: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                   1000: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                   1001: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel 1002: 		&remove_from_queue($env{'form.queue'});
1.39      albertel 1003: 
                   1004: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel 1005: 		if ($env{'form.regrade'} ne 'yes') {
                   1006: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1007: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1008: 		    &Apache::grades::version_portfiles(
                   1009: 						       \%Apache::lonhomework::results,
                   1010: 						       ["$version.0.bridgetask"],$courseid,
                   1011: 						       $symb,$udom,$uname,
                   1012: 						       ["$version.0.bridgetask"]);
                   1013: 		}
1.20      albertel 1014: 	    }
1.89      albertel 1015: 	    $Apache::lonhomework::results{"resource.0.status"}=
                   1016: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel 1017: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel 1018: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel 1019: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel 1020: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel 1021: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel 1022: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel 1023: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel 1024: 	    }
1.94      albertel 1025: 	    &minimize_storage();
1.21      albertel 1026: 	    &Apache::structuretags::finalize_storage();
1.20      albertel 1027: 	}
1.15      albertel 1028:     } elsif ($target eq 'webgrade') {
1.131     albertel 1029: 	$result.="</div>";
1.20      albertel 1030: 	#$result.='<input type="submit" name="next" value="'.
                   1031: 	#    &mt('Save &amp; Next').'" /> ';
                   1032: 	#$result.='<input type="submit" name="end" value="'.
                   1033: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1034: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1035: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1036: 	#$result.='<input type="submit" name="save" value="'.
                   1037: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel 1038: 	$result.='</form>'."\n</div>\n</div>\n".
1.140     albertel 1039: 	    &Apache::loncommon::end_page();
1.1       albertel 1040:     } elsif ($target eq 'meta') {
1.70      albertel 1041: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1042:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1043: 						      'Problem Status');
                   1044: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1045: 						      'Number of Attempts');
                   1046: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1047: 						      'Partial Credit Factor');
                   1048: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1049: 						      'Bridge Task Status');
1.1       albertel 1050:     }
1.4       albertel 1051:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1052:     return $result;
                   1053: }
                   1054: 
1.31      albertel 1055: sub move_between_queues {
                   1056:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1057:     my $cur_data;
                   1058:     if ($src_queue ne 'none') {
                   1059: 	$cur_data=&get_queue_data($src_queue);
                   1060: 	if (!$cur_data) { return 'not_exist'; }
                   1061:     } else {
                   1062: 	$cur_data = ['none'];
                   1063:     }
1.148     albertel 1064:     my $result=&add_to_queue($dest_queue,$cur_data);
1.31      albertel 1065:     if ($result ne 'ok') {
                   1066: 	return $result;
                   1067:     }
                   1068:     &check_queue_unlock($src_queue);
                   1069:     return &remove_from_queue($src_queue);
1.21      albertel 1070: }
                   1071: 
                   1072: sub check_queue_unlock {
1.32      albertel 1073:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1074:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel 1075:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel 1076:     if (!defined($key)) {
1.138     albertel 1077: 	$key="$symb\0queue\0$uname:$udom";
1.32      albertel 1078:     }
1.30      albertel 1079:     my $cnum=$env{'course.'.$cid.'.num'};
                   1080:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1081:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.30      albertel 1082:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1083:     if  ($who eq $me) {
1.32      albertel 1084: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1085:     } elsif ($allow_not_me) {
1.33      albertel 1086: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1087: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1088:     }
1.32      albertel 1089:     return 'not_owner';
1.21      albertel 1090: }
                   1091: 
1.88      albertel 1092: sub in_queue {
                   1093:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1094:     if ($queue eq 'none') { return 0; }
                   1095:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1096: 	|| !defined($udom) || !defined($uname)) {
                   1097: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1098: 	$cnum=$env{'course.'.$cid.'.num'};
                   1099: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1100:     }
                   1101: 
                   1102:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1103:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1104: 
                   1105:     if (defined($results{$key})) {
                   1106: 	return 1;
                   1107:     }
                   1108:     return 0;
                   1109: }
                   1110: 
1.21      albertel 1111: sub remove_from_queue {
1.86      albertel 1112:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1113:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1114:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1115: 	|| !defined($udom) || !defined($uname)) {
                   1116: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1117: 	$cnum=$env{'course.'.$cid.'.num'};
                   1118: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1119:     }
1.88      albertel 1120:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1121: 	return 'ok';
                   1122:     }
1.86      albertel 1123:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1124:     my @keys=($key,"$key\0locked");
1.31      albertel 1125:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1126: }
                   1127: 
1.16      albertel 1128: sub setup_env_for_other_user {
                   1129:     my ($queue_key,$safeeval)=@_;
                   1130:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1131:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1132:     $env{'form.grade_symb'}=$symb;
                   1133:     $env{'form.grade_domain'}=$udom;
                   1134:     $env{'form.grade_username'}=$uname;
                   1135:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1136:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1137: }
                   1138: 
1.31      albertel 1139: sub get_queue_data {
                   1140:     my ($queue)=@_;
                   1141:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1142:     my $cnum=$env{'course.'.$cid.'.num'};
                   1143:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1144:     my $todo="$symb\0queue\0$uname:$udom";
1.31      albertel 1145:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1146:     if ($key eq $todo && ref($value)) {
                   1147: 	return $value;
                   1148:     }
                   1149:     return undef;
                   1150: }
                   1151: 
1.84      albertel 1152: 
1.49      albertel 1153: sub check_queue_for_key {
1.84      albertel 1154:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1155: 
1.49      albertel 1156:     my %results=
                   1157: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1158:     
                   1159:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1160: 	if (defined($results{"$todo\0locked"})) {
                   1161: 	    return 'locked';
                   1162: 	}
1.148     albertel 1163: 	if (my $slot=&slotted_access($results{$todo})) {
1.86      albertel 1164: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1165: 	    if ($slot_data{'endtime'} > time) { 
                   1166: 		return 'in_progress';
                   1167: 	    }
1.148     albertel 1168: 	} else {
                   1169: 	    my ($symb) = &decode_queue_key($todo);
                   1170: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1171: 	    if ($due_date > time) {
                   1172: 		return 'in_progress';
                   1173: 	    }
1.58      albertel 1174: 	}
1.49      albertel 1175: 	return 'enqueued';
                   1176:     }
                   1177:     return undef;
                   1178: }
                   1179: 
1.14      albertel 1180: sub add_to_queue {
1.82      albertel 1181:     my ($queue,$user_data)=@_;
1.49      albertel 1182:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1183:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1184:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1185: 	return 'no_queue';
                   1186:     }
1.14      albertel 1187:     my $cnum=$env{'course.'.$cid.'.num'};
                   1188:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1189:     my %data;
1.138     albertel 1190:     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
1.83      albertel 1191:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1192: }
                   1193: 
                   1194: sub show_queue {
1.32      albertel 1195:     my ($queue,$with_selects)=@_;
1.14      albertel 1196:     my $result;
                   1197:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1198:     my $cnum=$env{'course.'.$cid.'.num'};
                   1199:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1200: 
                   1201:     my @chosen_sections=
                   1202: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1203:     &Apache::grades::init_perm();
                   1204:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1205:     &Apache::grades::reset_perm();
1.63      albertel 1206:     if (!(grep(/^all$/,@chosen_sections))) {
                   1207: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1208: 	    '</tt>.</p> '."\n";
                   1209:     }
1.59      albertel 1210: 
1.16      albertel 1211:     my $regexp="^$symb\0";
1.30      albertel 1212:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1213:     my ($tmp)=%queue;
                   1214:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1215: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1216:     }
1.103     albertel 1217:     my $title=&Apache::lonnet::gettitle($symb);
                   1218:     $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
                   1219:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
                   1220:     $result.="<th>user</th><th>data</th></tr>";
1.14      albertel 1221:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1222: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1223: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1224: 	if ($key=~/locked$/ && !$with_selects) {
1.103     albertel 1225: 	    $result.="<tr><td>$uname</td>";
                   1226: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1227: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.103     albertel 1228: 	    $result.="<tr><td></td>";
                   1229: 	    $result.='<td>'.
1.16      albertel 1230: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1231: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1232: 	    $result.="<tr>";
1.148     albertel 1233: 	    my ($end_time,$slot_text);
                   1234: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1235: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1236: 		$end_time = $slot_data{'endtime'};
                   1237: 		$slot_text = &mt('Slot: [_1]',$slot);
                   1238: 	    } else {
                   1239: 		$end_time = &Apache::lonhomework::due_date('0',$symb);
                   1240: 		$slot_text = '';
                   1241: 	    }
1.32      albertel 1242: 	    if ($with_selects) {
                   1243: 		my $ekey=&Apache::lonnet::escape($key);
1.103     albertel 1244: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1245: 		if (exists($queue{"$key\0locked"})) {
1.138     albertel 1246: 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.103     albertel 1247: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1248: 		    if ($me eq $queue{"$key\0locked"}) {
                   1249: 			($action,$description)=('resume',&mt('Resume'));
                   1250: 		    } else {
                   1251: 			($action,$description)=('unlock',&mt('Unlock'));
                   1252: 		    }
                   1253: 		}
1.62      albertel 1254: 		my $seclist;
                   1255: 		foreach my $sec (@chosen_sections) {
                   1256: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1257:                                value="'.$sec.'" />';
                   1258: 		}
1.148     albertel 1259: 		if ($end_time ne '' && time > $end_time) {
1.35      albertel 1260: 		    $result.=(<<FORM);
1.103     albertel 1261: <td>$status</td>
1.32      albertel 1262: <td>
1.115     albertel 1263: <form style="display: inline" method="post">
1.32      albertel 1264:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1265:  <input type="hidden" name="queue" value="$queue" />
                   1266:  <input type="hidden" name="gradingaction" value="$action" />
                   1267:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1268:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1269:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1270:  $seclist
1.32      albertel 1271: </form>
                   1272: </td>
                   1273: FORM
1.35      albertel 1274: 
                   1275:                 } else {
1.148     albertel 1276: 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
1.35      albertel 1277: 		}
1.32      albertel 1278: 	    }
1.104     albertel 1279: 	    $result.= "<td>".$fullname->{$uname.':'.$udom}.
1.138     albertel 1280: 		" <tt>($uname:$udom)</tt> </td>";
1.148     albertel 1281: 	    $result.='<td>'.$slot_text.' End time: '.
                   1282: 		&Apache::lonlocal::locallocaltime($end_time).
1.20      albertel 1283: 		"</td></tr>";
1.16      albertel 1284: 	}
1.14      albertel 1285:     }
1.15      albertel 1286:     $result.="</table><hr />\n";
1.14      albertel 1287:     return $result;
                   1288: }
                   1289: 
1.34      albertel 1290: sub get_queue_counts {
                   1291:     my ($queue)=@_;
                   1292:     my $result;
                   1293:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1294:     my $cnum=$env{'course.'.$cid.'.num'};
                   1295:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1296:     my $regexp="^$symb\0";
                   1297:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1298:     my ($tmp)=%queue;
                   1299:     if ($tmp=~/^error: 2 /) {
                   1300: 	return (0,0,0);
                   1301:     }
                   1302:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1303:     my %slot_cache;
1.34      albertel 1304:     foreach my $key (sort(keys(%queue))) {
                   1305: 	if ($key=~/locked$/) {
                   1306: 	    $locks++;
                   1307: 	} elsif ($key=~/timestamp$/) {
                   1308: 	    #ignore
                   1309: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1310: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1311: 	    $entries++;
1.148     albertel 1312: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1313: 		if (!exists($slot_cache{$slot})) {
                   1314: 		    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1315: 		    $slot_cache{$slot} = \%slot_data;
                   1316: 		}
                   1317: 		if (time > $slot_cache{$slot}{'endtime'}) {
                   1318: 		    $ready_to_grade++;
                   1319: 		}
                   1320: 	    } else {
                   1321: 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1322: 		if ($due_date ne '' && time > $due_date) {
                   1323: 		    $ready_to_grade++;
                   1324: 		}
1.34      albertel 1325: 	    }
                   1326: 	}
                   1327:     }
                   1328:     return ($entries,$ready_to_grade,$locks);
                   1329: }
                   1330: 
1.49      albertel 1331: sub encode_queue_key {
                   1332:     my ($symb,$udom,$uname)=@_;
1.138     albertel 1333:     return "$symb\0queue\0$uname:$udom";
1.49      albertel 1334: }
                   1335: 
1.14      albertel 1336: sub decode_queue_key {
                   1337:     my ($key)=@_;
                   1338:     my ($symb,undef,$user) = split("\0",$key);
1.138     albertel 1339:     my ($uname,$udom) = split(':',$user);
1.14      albertel 1340:     return ($symb,$uname,$udom);
                   1341: }
                   1342: 
                   1343: sub queue_key_locked {
1.30      albertel 1344:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1345:     if (!defined($cdom) || !defined($cnum)) {
                   1346: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1347: 	$cnum=$env{'course.'.$cid.'.num'};
                   1348: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1349:     }
1.14      albertel 1350:     my ($key_locked,$value)=
1.30      albertel 1351: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1352:     if ($key_locked eq "$key\0locked") {
                   1353: 	return $value;
                   1354:     }
                   1355:     return undef;
                   1356: }
                   1357: 
1.148     albertel 1358: sub slotted_access {
                   1359:     my ($queue_entry) = @_;
                   1360:     if (ref($queue_entry) eq 'ARRAY') {
                   1361: 	if (defined($queue_entry->[0])) {
                   1362: 	    return $queue_entry->[0];
                   1363: 	}
                   1364: 	return undef;
                   1365:     } elsif (ref($queue_entry) eq 'HASH') {
                   1366: 	if (defined($queue_entry->{'slot'})) {
                   1367: 	    return $queue_entry->{'slot'};
                   1368: 	}
                   1369: 	return undef;
                   1370:     }
                   1371:     return undef;
                   1372: }
                   1373: 
1.14      albertel 1374: sub pick_from_queue_data {
1.30      albertel 1375:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
1.98      albertel 1376:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1377:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1378: 	if ($key =~ /\0locked$/) { next; }
                   1379: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1380: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1381: 	if ($check_section) {
                   1382: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1383: 	    if ($section eq $check_section) {
1.33      albertel 1384: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1385: 		next;
                   1386: 	    }
1.14      albertel 1387: 	}
1.148     albertel 1388: 	my $end_time;
                   1389: 	if (my $slot=&slotted_access($queuedata->{$key})) {
                   1390: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1391: 	    if ($slot_data{'endtime'} < time) { 
                   1392: 		$end_time = $slot_data{'endtime'};
                   1393: 	    }
                   1394: 	} else {
                   1395: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1396: 	    if ($due_date > time) {
                   1397: 		$end_time = $due_date;
                   1398: 	    }
                   1399: 	}
                   1400: 	if ($end_time ne '') {
1.33      albertel 1401: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1402: 	    next;
                   1403: 	}
1.148     albertel 1404: 	
1.98      albertel 1405: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1406: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1407: 	    next;
                   1408: 	}
1.148     albertel 1409: 	push(@possible,[$key,$end_time]);
1.98      albertel 1410:     }
                   1411:     if (@possible) {
                   1412:         # sort entries in order by slot end time
                   1413: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
1.137     albertel 1414: 	# pick one of the entries in the top 10% in small queues and one
                   1415: 	# of the first ten entries in large queues
1.139     albertel 1416: 	#my $ten_percent = int($#possible * 0.1);
                   1417: 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
                   1418: 	#if ($ten_percent > 10) { $ten_percent = 10; }
                   1419: 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
1.137     albertel 1420: 	
1.139     albertel 1421: 	#return $possible[int(rand($max))][0];
                   1422: 	return $possible[0][0];
1.14      albertel 1423:     }
                   1424:     return undef;
                   1425: }
                   1426: 
1.15      albertel 1427: sub find_mid_grade {
1.30      albertel 1428:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1429:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.138     albertel 1430:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.15      albertel 1431:     if ($todo) {
1.30      albertel 1432: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1433: 	if ($who eq $me) { return $todo; }
                   1434:     }
                   1435:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1436:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1437:     foreach my $key (keys(%locks)) {
                   1438: 	my $who=$locks{$key};
                   1439: 	if ($who eq $me) {
                   1440: 	    $todo=$key;
                   1441: 	    $todo=~s/\0locked$//;
                   1442: 	    return $todo;
                   1443: 	}
                   1444:     }
                   1445:     return undef;
                   1446: }
                   1447: 
1.32      albertel 1448: sub lock_key {
                   1449:     my ($queue,$todo)=@_;
1.138     albertel 1450:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.32      albertel 1451:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1452:     my $cnum=$env{'course.'.$cid.'.num'};
                   1453:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1454:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1455: 					$cdom,$cnum);
1.33      albertel 1456:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1457:     if ($success eq 'ok') {
                   1458: 	return 1;
                   1459:     }
                   1460:     return 0;
                   1461: }
                   1462: 
1.86      albertel 1463: sub get_queue_symb_status {
1.85      albertel 1464:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1465:     if (!defined($cdom) || !defined($cnum)) {
                   1466: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1467: 	$cnum=$env{'course.'.$cid.'.num'};
                   1468: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1469:     }
                   1470:     my $regexp="^$symb\0";
                   1471:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1472:     my ($tmp)=%queue;
                   1473:     if ($tmp=~/^error: 2 /) { return; }
                   1474:     my @users;
                   1475:     foreach my $key (sort(keys(%queue))) {
                   1476: 	next if ($key=~/locked$/);
                   1477: 	next if ($key=~/timestamp$/);
                   1478: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1479: 	push(@users,"$uname:$udom");
                   1480:     }
                   1481:     return @users;
                   1482: }
                   1483: 
1.14      albertel 1484: sub get_from_queue {
1.30      albertel 1485:     my ($queue)=@_;
1.14      albertel 1486:     my $result;
                   1487:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1488:     my $cnum=$env{'course.'.$cid.'.num'};
                   1489:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1490:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1491:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1492:     if ($todo) { return $todo; }
1.95      albertel 1493:     my $attempts=0;
1.14      albertel 1494:     while (1) {
1.95      albertel 1495: 	if ($attempts > 2) {
                   1496: 	    # tried twice to get a queue entry, giving up
                   1497: 	    return (undef,'unable');
                   1498: 	}
1.14      albertel 1499: 	my $starttime=time;
1.83      albertel 1500: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1501: 			      $cdom,$cnum);
1.33      albertel 1502: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1503: 	my $regexp="^$symb\0queue\0";
1.97      albertel 1504: 	my $range= ($attempts < 1 ) ? '0-100' : '0-400';
                   1505: 
1.98      albertel 1506: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1507: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1508: 	if ($env{'request.course.sec'}) {
1.33      albertel 1509: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1510: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1511: 					\%queue,$cdom,$cnum);
1.33      albertel 1512: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1513: 	}
1.33      albertel 1514: 	# no one _not_ in our section so look for any user that is
                   1515: 	# ready for grading
1.14      albertel 1516: 	if (!$todo) {
1.33      albertel 1517: 	    &Apache::lonxml::debug("no sce");
1.98      albertel 1518: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);
1.33      albertel 1519: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1520: 	}
                   1521: 	# no user to grade 
                   1522: 	if (!$todo) { last; }
1.33      albertel 1523: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1524: 	# otherwise found someone so lets try to lock them
1.32      albertel 1525: 	# unless someone else already picked them
1.95      albertel 1526: 	if (!&lock_key($queue,$todo)) {
                   1527: 	    $attempts++;
                   1528: 	    next;
                   1529: 	}
1.14      albertel 1530: 	my (undef,$endtime)=
1.30      albertel 1531: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1532: 				 $cdom,$cnum);
1.33      albertel 1533: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1534: 	# someone else already modified the queue, 
                   1535: 	# perhaps our picked user wass already fully graded between
                   1536: 	# when we picked him and when we locked his record? so lets
                   1537: 	# double check.
                   1538: 	if ($endtime != $starttime) {
                   1539: 	    my ($key,$value)=
1.30      albertel 1540: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1541: 				     $cdom,$cnum);
1.33      albertel 1542: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1543: 	    if ($key eq $todo && ref($value)) {
                   1544: 	    } else {
1.30      albertel 1545: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1546: 				     $cdom,$cnum);
1.33      albertel 1547: 		&Apache::lonxml::debug("del");
1.95      albertel 1548: 		$attempts++;
1.14      albertel 1549: 		next;
                   1550: 	    }
                   1551: 	}
1.33      albertel 1552: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1553: 	last;
                   1554:     }
                   1555:     return $todo;
                   1556: }
                   1557: 
1.49      albertel 1558: sub select_user {
                   1559:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1560: 
1.59      albertel 1561:     my @chosen_sections=
                   1562: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1563:     &Apache::grades::init_perm();
1.59      albertel 1564:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1565:     &Apache::grades::reset_perm();
1.63      albertel 1566:     
                   1567:     my $result;
                   1568:     if (!(grep(/^all$/,@chosen_sections))) {
                   1569: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1570: 	    '</tt>.</p> '."\n";
                   1571:     }
                   1572:     $result.='<table border="1">';
1.49      albertel 1573: 
                   1574:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1575: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1576: 	
1.84      albertel 1577: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1578: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1579: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1580: 					 'Task');
1.49      albertel 1581: 	my $queue = 'none';
1.58      albertel 1582: 	my $cannot_grade;
                   1583: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1584: 	    $queue = 'reviewqueue';
1.58      albertel 1585: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1586: 		$cannot_grade=1;
                   1587: 	    }
                   1588: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1589: 	    $queue = 'gradingqueue';
1.58      albertel 1590: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1591: 		$cannot_grade=1;
                   1592: 	    }
1.49      albertel 1593: 	}
                   1594: 	my $todo = 
                   1595: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1596: 	if ($cannot_grade) {
                   1597: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1598: 		'</td><td>';
                   1599: 	} else {
1.62      albertel 1600: 	    my $seclist;
                   1601: 	    foreach my $sec (@chosen_sections) {
                   1602: 		$seclist.='<input type="hidden" name="chosensections" 
                   1603:                                value="'.$sec.'" />';
                   1604: 	    }
1.102     albertel 1605: 	    my $studentdis = $student;
                   1606: 	    $studentdis =~ tr/:/@/;
1.58      albertel 1607: 	    $result.=<<RESULT;
1.49      albertel 1608: <tr>
                   1609:   <td>
1.115     albertel 1610:     <form style="display: inline" method="post">
1.49      albertel 1611:       <input type="hidden" name="gradingkey" value="$todo" />
                   1612:       <input type="hidden" name="queue" value="$queue" />
                   1613:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1614:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1615:       <input type="submit" name="submit" value="Regrade" />
                   1616:       $seclist
1.49      albertel 1617:     </form>
1.102     albertel 1618:   <td>$fullname->{$student} <tt>($studentdis)</tt></td>
1.49      albertel 1619:   <td>
                   1620: RESULT
1.58      albertel 1621:         }
1.49      albertel 1622:         if ($status{'status'} eq 'pass') {
                   1623: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1624: 	} elsif ($status{'status'} eq 'fail') {
                   1625: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1626: 	} elsif ($status{'status'} eq 'review') {
                   1627: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1628: 	} elsif ($status{'status'} eq 'ungraded') {
                   1629: 	    $result .= &mt('Ungraded');
                   1630: 	} elsif ($status{'status'} ne '') {
                   1631: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1632: 	} else {
                   1633: 	    $result.="&nbsp;";
                   1634: 	}
                   1635: 	if ($status{'version'}) {
                   1636: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1637: 	}
1.101     albertel 1638: 	if ($status{'grader'}) {
                   1639: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1640: 	}
1.49      albertel 1641: 	$result.= '</td><td>';
                   1642: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1643: 	    $result .= &mt('Awaiting Review');
                   1644: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1645: 	    $result .= &mt('Under Review');
1.58      albertel 1646: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1647: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1648: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1649: 	    $result .= &mt('Awaiting Grading');
                   1650: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1651: 	    $result .= &mt('Being Graded');
1.58      albertel 1652: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1653: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1654: 	} else {
                   1655: 	    $result.="&nbsp;";
                   1656: 	}
                   1657: 	$result.= '</td></tr>';
                   1658:     }
                   1659:     $result.='</table>';
                   1660:     return $result;
                   1661: }
                   1662: 
                   1663: sub get_student_status {
1.86      albertel 1664:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1665: 
                   1666:     my %status;
                   1667: 
                   1668:     if ($type eq 'Task') {
                   1669: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1670: 					  $udom,$uname);
1.89      albertel 1671: 	$status{'status'}=$record{'resource.0.status'};
                   1672: 	$status{'version'}=$record{'resource.0.version'};
                   1673: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1674:     }
                   1675:     $status{'reviewqueue'}=
                   1676: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1677: 			     &encode_queue_key($symb,$udom,$uname));
                   1678:     $status{'gradingqueue'}=
                   1679: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1680: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1681:     return %status;
                   1682: }
                   1683: 
1.1       albertel 1684: sub start_ClosingParagraph {
                   1685:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1686:     my $result;
                   1687:     if ($target eq 'web') {
1.13      albertel 1688:     } elsif ($target eq 'webgrade') {
                   1689: 	&Apache::lonxml::startredirection();
1.1       albertel 1690:     }
                   1691:     return $result;
                   1692: }
                   1693: 
                   1694: sub end_ClosingParagraph {
                   1695:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1696:     my $result;
                   1697:     if ($target eq 'web') {
1.13      albertel 1698:     } elsif ($target eq 'webgrade') {
                   1699: 	&Apache::lonxml::endredirection();
1.1       albertel 1700:     }
                   1701:     return $result;
                   1702: }
                   1703: 
1.19      albertel 1704: sub get_id {
                   1705:     my ($parstack,$safeeval)=@_;
                   1706:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1707:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1708:     return $id;
                   1709: }
                   1710: 
1.1       albertel 1711: my %dimension;
                   1712: sub start_Dimension {
                   1713:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1714:     undef(%dimension);
1.19      albertel 1715:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1716:     $Apache::bridgetask::dimension=$dim_id;
                   1717:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1718:     undef(@Apache::bridgetask::instance);
1.20      albertel 1719:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1720: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1721:     &Apache::lonxml::startredirection();
                   1722:     return &internal_location($dim_id);
1.1       albertel 1723: }
                   1724: 
1.13      albertel 1725: sub get_instance {
1.75      albertel 1726:     my ($dim)=@_;
                   1727:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1728:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1729: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1730: 	$rand_alg eq '64bit4' ) {
                   1731: 	&Apache::response::pushrandomnumber();
                   1732: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1733: 	my $num=@order;
                   1734: 	my $version=&get_version();
                   1735: 	my $which=($version-1)%$num;
                   1736: 	return $order[$which];
                   1737:     } else {
                   1738: 	my ($version,$previous) = &get_version();
                   1739: 	my $instance = 
                   1740: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1741: 	if (defined($instance)) { return $instance; }
                   1742: 
                   1743: 	&Apache::response::pushrandomnumber();
                   1744: 	my @instances = @{$dimension{'instances'}};
                   1745: 	# remove disabled instances
                   1746: 	for (my $i=0; $i < $#instances; $i++) {
                   1747: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1748: 		splice(@instances,$i,1);
                   1749: 		$i--;
                   1750: 	    }
                   1751: 	}
                   1752: 	@instances = &Math::Random::random_permutation(@instances);
                   1753: 	$instance  = $instances[($version-1)%scalar(@instances)];
1.150   ! albertel 1754: 	if ($version =~ /^\d$/) {
        !          1755: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
        !          1756: 		$instance;
        !          1757: 	    $Apache::lonhomework::results{'INTERNAL_store'} = 1; 
        !          1758: 	}
1.75      albertel 1759: 	&Apache::response::poprandomnumber();
                   1760: 	return $instance;
                   1761:     }
1.13      albertel 1762: }
                   1763: 
1.18      albertel 1764: {
                   1765:     my $last_link;
1.122     albertel 1766:     sub link {
                   1767: 	my ($instance,$id) = @_;
                   1768: 	return 'LC_GRADING_criteria_'.$instance.'_'.$id;
                   1769:     }
1.18      albertel 1770:     sub end_Dimension {
                   1771: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1772: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1773: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1774: 	my $instance=&get_instance($dim);
1.25      albertel 1775: 	my $version=&get_version();
1.18      albertel 1776: 	if ($target eq 'web') {
1.47      albertel 1777: 	    @Apache::scripttag::parser_env = @_;
                   1778: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1779: 	    my @instances = $instance;
                   1780: 	    if (&Apache::response::showallfoils()) {
                   1781: 		@instances = @{$dimension{'instances'}};
                   1782: 	    }
                   1783: 	    foreach my $instance (@instances) {
                   1784: 		@Apache::scripttag::parser_env = @_;
                   1785: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89      albertel 1786: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1787: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1788: 
1.89      albertel 1789: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1790: 		    my $mandatory='Mandatory';
                   1791: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1792: 			$mandatory='Optional';
                   1793: 		    }
1.116     albertel 1794: 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
1.76      albertel 1795: 		    if ($dim_status eq 'pass') {
                   1796: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1797: 		    }
1.76      albertel 1798: 		    if ($dim_status eq 'fail') {
                   1799: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1800: 		    }
1.76      albertel 1801: 		    my $man_count=0;
                   1802: 		    my $man_passed=0;
                   1803: 		    my $opt_count=0;
                   1804: 		    my $opt_passed=0;
                   1805: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1806: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1807: 			    eq 'N') {
                   1808: 			    $opt_count++;
1.89      albertel 1809: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1810: 				$opt_passed++;
                   1811: 			    }
                   1812: 			} else {
                   1813: 			    $man_count++;
1.89      albertel 1814: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1815: 				$man_passed++;
                   1816: 			    }
                   1817: 			}
1.22      albertel 1818: 		    }
1.76      albertel 1819: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1820: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1821: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1822: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1823: 
                   1824: 		    my $internal_location=&internal_location($dim);
                   1825: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1826: 
                   1827: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1828: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
                   1829: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1830: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1831: 			if ($mandatory) {
                   1832: 			    $mandatory='Mandatory';
                   1833: 			} else {
                   1834: 			    $mandatory='Optional';
                   1835: 			}
                   1836: 			if ($status eq 'fail') {
                   1837: 			} elsif ($status eq 'pass') {
                   1838: 			} else {
                   1839: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1840: 			}
                   1841: 			my $status_display=$status;
                   1842: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1843: 			@Apache::scripttag::parser_env = @_;
1.116     albertel 1844: 			$result.=
                   1845: 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
                   1846: 			    .$mandatory.' Criteria</h4><p>';
1.76      albertel 1847: 			@Apache::scripttag::parser_env = @_;
                   1848: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.116     albertel 1849: 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
1.89      albertel 1850: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
1.116     albertel 1851: 			    $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';
1.76      albertel 1852: 			}
                   1853: 			$result.='</div>';
1.22      albertel 1854: 		    }
                   1855: 		}
                   1856: 	    }
1.18      albertel 1857: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1858: 	    # in case of any side effects that we need
                   1859: 	    @Apache::scripttag::parser_env = @_;
                   1860: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1861: 	    @Apache::scripttag::parser_env = @_;
                   1862: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1863: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1864: 		my $link=&link($instance,$id);
1.89      albertel 1865: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.120     albertel 1866: 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
1.136     albertel 1867: 		    '<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
1.47      albertel 1868: 		@Apache::scripttag::parser_env = @_;
                   1869: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.111     albertel 1870: 		$result.='</div>'."\n".
1.18      albertel 1871: 		    #$dimension{$instance.'.criteria.'.$id}.
1.120     albertel 1872: 		    '<div class="LC_GRADING_grade">'."\n".
                   1873: 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
                   1874: 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
                   1875: 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
                   1876: 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
1.111     albertel 1877: 		    '</div>'."\n".
1.120     albertel 1878: 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
                   1879: 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".
1.111     albertel 1880: 		    '</label>'."\n".
1.120     albertel 1881: 		    '<ul class="LC_GRADING_navbuttons">'."\n".
1.111     albertel 1882: 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
                   1883: 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
                   1884: 		    '</ul>'."\n".
                   1885:                     '</div>'."\n";
1.113     albertel 1886: 		$result.=&grading_history($version,$dim,$instance,$id);
1.18      albertel 1887: 		$last_link=$link;
                   1888: 	    }
1.22      albertel 1889: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1890: 	    my $optional_passed=0;
1.20      albertel 1891: 	    my $mandatory_failed=0;
                   1892: 	    my $ungraded=0;
                   1893: 	    my $review=0;
1.19      albertel 1894: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1895: 		my $link=&link($instance,$id);
                   1896: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_'.$link};
                   1897: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
1.20      albertel 1898: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1899: 		if ($status eq 'pass') {
                   1900: 		    if (!$mandatory) { $optional_passed++; }
                   1901: 		} elsif ($status eq 'fail') {
                   1902: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1903: 		} elsif ($status eq 'review') {
                   1904: 		    $review++;
1.20      albertel 1905: 		} elsif ($status eq 'ungraded') {
                   1906: 		    $ungraded++;
1.21      albertel 1907: 		} else {
1.47      albertel 1908: 		    $ungraded++;
1.19      albertel 1909: 		}
                   1910: 	    }
1.20      albertel 1911: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1912: 		$mandatory_failed++;
                   1913: 	    }
1.21      albertel 1914: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1915: 	    if ($review) {
1.89      albertel 1916: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1917: 		    'review';
1.20      albertel 1918: 	    } elsif ($ungraded) {
1.89      albertel 1919: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1920: 		    'ungraded';
1.20      albertel 1921: 	    } elsif ($mandatory_failed) {
1.89      albertel 1922: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1923: 		    'fail';
1.20      albertel 1924: 	    } else {
1.91      albertel 1925: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1926: 		    'pass';
1.20      albertel 1927: 	    }
1.69      albertel 1928: 	} else {
                   1929: 	    # any other targets no output
                   1930: 	    undef($result);
1.13      albertel 1931: 	}
1.18      albertel 1932: 	return $result;
1.1       albertel 1933:     }
                   1934: }
                   1935: 
1.113     albertel 1936: sub grading_history {
                   1937:     my ($version,$dim,$instance,$criteria) = @_;
                   1938:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   1939: 	return '';
                   1940:     }
                   1941:     my ($result,$grader);
                   1942:     my $scope="resource.$version.0.$dim.$instance.$criteria";
                   1943:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   1944: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   1945: 	    my ($gname,$gdom) = 
1.138     albertel 1946: 		split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
1.113     albertel 1947: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   1948: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   1949: 							 $gname,$gdom);
                   1950: 	}
                   1951: 	my $entry;
                   1952: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   1953: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   1954: 	}
                   1955: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   1956: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   1957: 	}
                   1958: 	if ($entry) {
                   1959: 	    $result.= "<li>$grader : $entry </li>";
                   1960: 	}
                   1961:     }
                   1962:     if ($result) {
1.120     albertel 1963: 	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
1.113     albertel 1964:     }
                   1965:     return '';
                   1966: }
                   1967: 
1.1       albertel 1968: sub start_IntroParagraph {
1.87      albertel 1969:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1970:     my $result;
1.13      albertel 1971:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1972: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1973: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1974: 	
1.128     albertel 1975: 	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 1976: 	    &Apache::lonxml::startredirection();
1.1       albertel 1977: 	}
1.47      albertel 1978: 	
1.1       albertel 1979:     }
                   1980:     return $result;
                   1981: }
                   1982: 
                   1983: sub end_IntroParagraph {
1.127     albertel 1984:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 1985:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 1986: 	my $result = &Apache::lonxml::endredirection();
                   1987:     }
1.1       albertel 1988: }
                   1989: 
                   1990: sub start_Instance {
                   1991:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1992:     my $id=&get_id($parstack,$safeeval);
                   1993:     push(@{$dimension{'instances'}},$id);
                   1994:     push(@Apache::bridgetask::instance,$id);
                   1995:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1996:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1997: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1998:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1999:     if (lc($disabled) eq 'yes') {
                   2000: 	$dimension{$id.'.disabled'}='1';
                   2001:     }
1.1       albertel 2002:     return '';
                   2003: }
                   2004: 
                   2005: sub end_Instance {
                   2006: }
                   2007: 
                   2008: sub start_InstanceText {
1.87      albertel 2009:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 2010:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 2011:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.13      albertel 2012:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 2013: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 2014:     }
                   2015:     return '';
                   2016: }
                   2017: 
                   2018: sub end_InstanceText {
                   2019:     return '';
                   2020: }
                   2021: 
                   2022: sub start_Criteria {
1.87      albertel 2023:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 2024:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 2025:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 2026:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 2027: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 2028: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 2029: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   2030: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 2031: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   2032:     }
                   2033:     return '';
                   2034: }
                   2035: 
1.47      albertel 2036: sub end_Criteria {
                   2037: }
                   2038: 
1.4       albertel 2039: sub proctor_validation_screen {
                   2040:     my ($slot) = @_;
                   2041:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 2042:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 2043:     my $name=&Apache::loncommon::plainname($user,$domain);
                   2044:     
1.4       albertel 2045:     my $msg;
1.11      albertel 2046:     if ($env{'form.proctorpassword'}) {
1.4       albertel 2047: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   2048: 	    .'</font></p>';
                   2049:     }
1.47      albertel 2050:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 2051:     my $result= (<<ENDCHECKOUT);
                   2052: <h2>Proctor Validation</h2>
                   2053:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   2054:     $msg
1.115     albertel 2055: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 2056: <input type="hidden" name="validate" value="yes" />
                   2057: <input type="hidden" name="submitted" value="yes" />
                   2058: <table>
1.44      albertel 2059:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 2060:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 2061:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 2062: </table>
                   2063: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 2064: <table border="1">
                   2065:   <tr><td>
                   2066:     <table>
                   2067:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   2068:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 2069:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.138     albertel 2070:       <tr><td>Usename</td><td>$user:$domain</td></tr>
1.44      albertel 2071:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   2072:     </table>
                   2073:   </tr></td>
                   2074: </table>
1.4       albertel 2075: </form>
                   2076: ENDCHECKOUT
                   2077:     return $result;
                   2078: }
                   2079: 
1.1       albertel 2080: 1;
                   2081: __END__

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