Annotation of loncom/homework/bridgetask.pm, revision 1.166

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.166   ! albertel    4: # $Id: bridgetask.pm,v 1.165 2006/06/12 18:45:35 albertel Exp $
1.1       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: ###
                     29: 
                     30: 
                     31: package Apache::bridgetask; 
                     32: 
                     33: use strict;
                     34: use Apache::lonnet;
                     35: use Apache::File();
                     36: use Apache::lonmenu;
                     37: use Apache::lonlocal;
                     38: use Apache::lonxml;
1.37      albertel   39: use Apache::slotrequest();
1.1       albertel   40: use Time::HiRes qw( gettimeofday tv_interval );
1.158     www        41: use lib '/home/httpd/lib/perl/';
                     42: use LONCAPA;
                     43:  
1.9       albertel   44: 
1.1       albertel   45: BEGIN {
1.162     albertel   46:     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','ClosingParagraph'));
1.1       albertel   47: }
                     48: 
1.9       albertel   49: sub initialize_bridgetask {
                     50:     # id of current Dimension, 0 means that no dimension is current 
                     51:     # (inside <Task> only)
                     52:     $Apache::bridgetask::dimension='';
                     53:     # list of all Dimension ids seen
                     54:     @Apache::bridgetask::dimensionlist=();
1.20      albertel   55:     # mandatory attribute of all Dimensions seen
                     56:     %Apache::bridgetask::dimensionmandatory=();
1.9       albertel   57:     # list of all current Instance ids
                     58:     @Apache::bridgetask::instance=();
                     59:     # list of all Instance ids seen in this problem
                     60:     @Apache::bridgetask::instancelist=();
1.15      albertel   61:     # key of queud user data that we are currently grading
                     62:     $Apache::bridgetask::queue_key='';
1.9       albertel   63: }
                     64: 
1.4       albertel   65: sub proctor_check_auth {
1.81      albertel   66:     my ($slot_name,$slot,$type)=@_;
1.11      albertel   67:     my $user=$env{'form.proctorname'};
                     68:     my $domain=$env{'form.proctordomain'};
1.4       albertel   69:     
                     70:     my @allowed=split(",",$slot->{'proctor'});
                     71:     foreach my $possible (@allowed) {
1.138     albertel   72: 	my ($puser,$pdom)=(split(':',$possible));
1.4       albertel   73: 	if ($puser eq $user && $pdom eq $domain) {
1.72      albertel   74: 	    my $authenticated=0;
                     75: 	    if ( $slot->{'secret'} =~ /\S/ &&
                     76: 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
                     77: 		$authenticated=1;
                     78: 	    } else {
                     79: 		
                     80: 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
                     81: 		if ($authhost ne 'no_host') {
                     82: 		    $authenticated=1;
                     83: 		}
                     84: 	    }
1.150     albertel   85: 	    if ($authenticated) {
                     86: 		&create_new_version($type,$user,$domain,$slot_name);
1.4       albertel   87: 		return 1;
                     88: 	    }
                     89: 	}
                     90:     }
                     91:     return 0;
                     92: }
                     93: 
1.150     albertel   94: sub create_new_version {
                     95:     my ($type,$user,$domain,$slot_name) = @_;
                     96:     if ($type eq 'Task') {
                     97: 	# increment version
                     98: 	my $version=
                     99: 	    $Apache::lonhomework::history{'resource.0.version'};
                    100: 	$version++;
1.152     albertel  101: 	&Apache::lonxml::debug("Making version $version");
1.150     albertel  102: 	#clean out all current results
                    103: 	foreach my $key (keys(%Apache::lonhomework::history)) {
                    104: 	    if ($key=~/^resource\.0\./) {
                    105: 		$Apache::lonhomework::results{$key}='';
                    106: 	    }
                    107: 	}
                    108: 	
                    109: 	#setup new version and who did it
                    110: 	$Apache::lonhomework::results{'resource.0.version'}=$version;
                    111: 	if (defined($user) && defined($domain)) {
                    112: 	    $Apache::lonhomework::results{"resource.$version.0.checkedin"}=
                    113: 		$user.':'.$domain;
1.152     albertel  114: 	} else {
                    115: 	    $Apache::lonhomework::results{"resource.$version.0.checkedin"}=
                    116: 		$env{'user.name'}.':'.$env{'user.domain'};
1.150     albertel  117: 	}
                    118: 	if (defined($slot_name)) {
                    119: 	    $Apache::lonhomework::results{"resource.$version.0.checkedin.slot"}=
                    120: 		$slot_name;
                    121: 	}
                    122:     } elsif ($type eq 'problem') {
                    123: 	&Apache::lonxml::debug("authed $slot_name");
                    124: 	if (defined($user) && defined($domain)) {
                    125: 	    $Apache::lonhomework::results{"resource.0.checkedin"}=
                    126: 		$user.':'.$domain;
                    127: 	}
                    128: 	if (defined($slot_name)) {
                    129: 	    $Apache::lonhomework::results{"resource.0.checkedin.slot"}=
                    130: 		$slot_name;
                    131: 	}
                    132:     }
                    133: }
                    134: 
1.25      albertel  135: sub get_version {
1.29      albertel  136:     my ($version,$previous);
1.25      albertel  137:     if ($env{'form.previousversion'} && 
1.36      albertel  138: 	$env{'form.previousversion'} ne 'current' &&
1.89      albertel  139: 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
1.29      albertel  140: 	$version=$env{'form.previousversion'};
                    141: 	$previous=1;
                    142:     } else {
1.150     albertel  143: 	if (defined($Apache::lonhomework::results{'resource.0.version'})) {
                    144: 	    $version=$Apache::lonhomework::results{'resource.0.version'};
                    145: 	} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
                    146: 	    $version=$Apache::lonhomework::history{'resource.0.version'};
                    147: 	}
1.29      albertel  148: 	$previous=0;
                    149:     }
                    150:     if (wantarray) {
                    151: 	return ($version,$previous);
1.25      albertel  152:     }
1.29      albertel  153:     return $version;
1.25      albertel  154: }
                    155: 
1.8       albertel  156: sub add_previous_version_button {
1.25      albertel  157:     my ($status)=@_;
1.8       albertel  158:     my $result;
1.89      albertel  159:     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
1.25      albertel  160: 	return '';
                    161:     }
1.89      albertel  162:     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
1.29      albertel  163: 	$status ne 'NEEDS_CHECKIN') {
1.25      albertel  164: 	return '';
                    165:     }
1.29      albertel  166:     my $version=&get_version();
                    167:     if ($env{'form.previousversion'} ne '' &&
                    168: 	$env{'form.previousversion'} eq $version) {
                    169: 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
                    170: 	    "</h3>\n";
                    171:     }
                    172:     my @to_show;
1.89      albertel  173:     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
                    174: 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
1.29      albertel  175: 	    push(@to_show,$test_version);
                    176: 	}
                    177:     }
                    178:     my $list='<option>'.
                    179: 	join("</option>\n<option>",@to_show).
                    180: 	     "</option>\n";
1.36      albertel  181:     $list.='<option value="current">'.&mt('Current').'</option>';
1.115     albertel  182:     $result.='<form name="getprevious" method="post" action="';
1.29      albertel  183:     my $uri=$env{'request.uri'};
                    184:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    185:     $result.=$uri.'">'.
                    186: 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
                    187: <option>'.&mt('Pick one').'</option>
                    188: '.$list.'
                    189: </select>')."</form>";
1.8       albertel  190:     return $result;
                    191: }
                    192: 
1.13      albertel  193: sub add_grading_button {
1.59      albertel  194:     my (undef,$cid)=&Apache::lonxml::whichuser();
                    195:     my $cnum=$env{'course.'.$cid.'.num'};
                    196:     my $cdom=$env{'course.'.$cid.'.domain'};
1.144     albertel  197:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
                    198: 
1.59      albertel  199:     my $size=5;
                    200:     if (scalar(keys(%sections)) < 3) {
                    201: 	$size=scalar(keys(%sections))+2;
                    202:     }
1.122     albertel  203:     my $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
1.59      albertel  204:     $sec_select .= "<option value='all' selected='selected'>all</option>\n";
                    205:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
1.122     albertel  206: 	$sec_select .= "<option value=\"$sec\">$sec</option>\n";
1.59      albertel  207:     }
                    208:     $sec_select .= "<option value='none'>none</option></select>\n";
                    209:     
1.29      albertel  210:     my $result=' <input type="submit" name="gradeasubmission" value="'.
1.13      albertel  211: 	&mt("Get a submission to grade").'" />';
                    212:     $result.='<input type="hidden" name="grade_target" value="webgrade" />';
1.40      albertel  213:     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.34      albertel  214: 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
1.106     albertel  215: 	$result.='<table><tr>';
                    216: 	$result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
                    217: 	$result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
                    218: 	    &mt("Select an entry from the grading queue:").'" /> ';
1.34      albertel  219: 
1.107     albertel  220: 	$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
1.34      albertel  221: 
                    222: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
1.106     albertel  223: 	$result.='<tr><td>'.
                    224: 	    ' <input type="submit" name="reviewasubmission" value="'.
                    225: 	    &mt("Select an entry from the review queue:").'" /> ';
                    226: 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
                    227: 		     $entries,$ready,$locks).'</td></tr>'."\n";
                    228: 	$result.='<tr><td> <input type="submit" name="regradeasubmission" value="'.
                    229: 	    &mt("List of user's grade status").'" /> </td></tr></table>'."\n";
1.105     albertel  230: 	$result.='<p> <input type="submit" name="regradeaspecificsubmission" value="'.
1.106     albertel  231: 	    &mt("Regrade specific user:").'" />'."\n";
1.105     albertel  232: 	$result.='<input type="text" size="12" name="gradinguser" />';
                    233: 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
                    234: 						     'gradingdomain');
                    235: 	$result.=' '.
                    236: 	    &Apache::loncommon::selectstudent_link('gradesubmission',
                    237: 						   'gradinguser',
                    238: 						   'gradingdomain');
                    239: 	$result.=&Apache::loncommon::studentbrowser_javascript();
1.123     albertel  240: 	$result.= '</p>';
1.144     albertel  241:     }
1.13      albertel  242:     return $result;
                    243: }
                    244: 
1.22      albertel  245: sub add_request_another_attempt_button {
1.38      albertel  246:     my ($text)=@_;
                    247:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  248:     my $result;
1.36      albertel  249:     my $symb=&Apache::lonnet::symbread();
1.149     albertel  250:     # not a slot access based resource
                    251:     my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
                    252:     if ($useslots =~ /^\s*no\s*$/i) {
                    253: 	return '';
                    254:     }
                    255: 
1.37      albertel  256:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  257:     my $action='get_reservation';
1.37      albertel  258:     if ($slot_name) {
1.38      albertel  259: 	$text="Change reservation.";
                    260: 	$action='change_reservation';
1.37      albertel  261: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    262: 							      $slot);
                    263: 	$result.=(<<STUFF);
                    264: <p> Will be next available: $description </p>
                    265: STUFF
                    266:     }
1.38      albertel  267:     
                    268:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
1.158     www       269:     $symb=&escape($symb);
1.115     albertel  270:     $result.='<form method="post" action="/adm/slotrequest">'.
1.38      albertel  271: 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
                    272: 	'<input type="hidden" name="command" value="'.$action.'" />'.
                    273: 	'<input type="submit" name="requestattempt" value="'.
                    274: 	&mt($text).'" />'.
                    275: 	'</form>';
1.25      albertel  276:     return $result;
1.22      albertel  277: }
                    278: 
1.30      albertel  279: sub preserve_grade_info {
                    280:     my $result;
                    281:     # if we are viewing someone else preserve that info
                    282:     if (defined $env{'form.grade_symb'}) {
                    283: 	foreach my $field ('symb','courseid','domain','username') {
                    284: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    285: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    286: 	}
                    287:     }
                    288:     return $result;
                    289: }
                    290: 
1.53      albertel  291: sub style {
1.125     albertel  292:     my ($target) = @_;
                    293:     if ($target eq 'web'
                    294: 	|| $target eq 'webgrade') {
                    295: 	return (<<STYLE);
1.126     albertel  296: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
1.53      albertel  297: STYLE
1.125     albertel  298:     }
                    299:     return;
1.53      albertel  300: }
                    301: 
1.54      albertel  302: sub show_task {
                    303:     my ($status,$previous)=@_;
                    304:     if (!$previous && (
                    305: 		       ( $status eq 'CLOSED' ) ||
                    306: 		       ( $status eq 'BANNED') ||
                    307: 		       ( $status eq 'UNAVAILABLE') ||
                    308: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    309: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    310: 		       ( $status eq 'WAITING_FOR_GRADE') ||
1.150     albertel  311: 		       ( $status eq 'INVALID_ACCESS') ||
                    312: 		       ( &get_version() eq ''))) {
1.54      albertel  313: 	return 0;
                    314:     }
1.64      albertel  315:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  316:     return 1;
                    317: }
                    318: 
                    319: sub internal_location {
                    320:     my ($id)=@_;
                    321:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    322: }
                    323: 
1.60      albertel  324: sub submission_time_stamp {
                    325:     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
                    326:     my $submissiontime;
1.89      albertel  327:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  328:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
                    329: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
                    330: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
                    331: 	}
                    332:     }
                    333:     my $result;
                    334:     if ($submissiontime) {
1.89      albertel  335: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  336: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    337: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  338: 	my ($color,$when)=('#FF6666','after');
                    339: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  340: 	my $info;
                    341: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    342: 	$diff=int($diff/60);
                    343: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    344: 	$diff=int($diff/60);
                    345: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    346: 	$result='<p><font color="'.$color.'">'.
                    347: 	    &mt('Student submitted [_1] [_2] the deadline. 
                    348:                  (Submission was at [_3], end of period was [_4].)',
                    349: 		$info,$when,scalar(localtime($submissiontime)),
                    350: 		scalar(localtime($slot{'endtime'}))).
                    351: 		'</font></p>';
                    352:     }
                    353:     return $result;
                    354: }
                    355: 
1.119     albertel  356: sub file_list {
                    357:     my ($files,$uname,$udom) = @_;
                    358:     if (!defined($uname) || !defined($udom)) {
                    359: 	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
                    360:     }
1.70      albertel  361:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.119     albertel  362: 
1.120     albertel  363:     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
1.119     albertel  364:     foreach my $partial_file (split(',',$files)) {
1.70      albertel  365: 	my $file=$file_url.$partial_file;
                    366: 	$file=~s|/+|/|g;
                    367: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.161     albertel  368: 	$file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
                    369: 	    &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
                    370: 	    '</a></span></li>'."\n";
1.70      albertel  371:     }
                    372:     $file_list.="</ul>\n";
1.119     albertel  373:     return $file_list;
                    374: }
                    375: 
1.163     albertel  376: sub grade_mode {
                    377:     if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
                    378: 	return 'regrade';
                    379:     }
                    380:     return 'queue_grade';
                    381: }
                    382: 
1.119     albertel  383: sub webgrade_standard_info {
                    384:     my ($version)=&get_version();
                    385: 
                    386:     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
1.70      albertel  387: 
1.163     albertel  388:     my %lt=('done'   => 'Next Item',
                    389: 	    'stop'   => 'Quit Grading',
                    390: 	    'fail'   => 'Fail Rest',
                    391: 	    'cancel' => 'Cancel',
                    392: 	    );
                    393:     my %lt=&Apache::lonlocal::texthash(%lt);
                    394: 
1.70      albertel  395:     my $result=<<INFO;
1.120     albertel  396:   <div class="LC_GRADING_maincontrols">
1.163     albertel  397: INFO
                    398: 
                    399:     if (&grade_mode() eq 'regrade') {
                    400: 	$result.=<<INFO;
                    401:     <input type="submit" name="cancel" value="$lt{'cancel'}" />
                    402: INFO
                    403:     }
                    404: 
                    405:     $result.=<<INFO;
1.111     albertel  406:     <input type="submit" name="next" value="$lt{'done'}" />
                    407:     <input type="submit" name="stop" value="$lt{'stop'}" />
1.143     albertel  408:     <input type="button" name="fail" value="$lt{'fail'}" 
                    409:            onclick="javascript:onFailRest()" />
1.111     albertel  410:   </div>
1.70      albertel  411:   $file_list
                    412: INFO
                    413:     return $result;
                    414: }
                    415: 
1.166   ! albertel  416: sub done_screen {
        !           417:     my ($version) = @_;
        !           418:     my $title=&Apache::lonnet::gettitle();
        !           419:     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
        !           420:     my (undef,undef,$domain,$user)= &Apache::lonxml::whichuser();
        !           421:     my $files = '<ul>';
        !           422:     foreach my $file (@files) {
        !           423: 	my $url="/uploaded/$domain/$user/portfolio$file";
        !           424: 	if (! &Apache::lonnet::stat_file($url)) {
        !           425: 	    $file = &mt('<span class="LC_error"> Nonexistent file:</span> '.
        !           426: 			'<span class="LC_filename">[_1]</span>',$file);
        !           427: 	} else {
        !           428: 	    $file = '<span class="LC_filename">'.$file.'</span>';
        !           429: 	}
        !           430: 	$files .= '<li>'.$file.'</li>';
        !           431:     }
        !           432:     $files.='</ul>';
        !           433:     
        !           434:     return <<DONESCREEN;
        !           435: <h2>$title</h2>
        !           436: <p> Files submitted: $files </p>
        !           437: <p> You are now done with this Bridge Task </p>
        !           438: <hr />
        !           439: <p> <a href="/adm/logout">Logout</a> </p>
        !           440: <p> <a href="/adm/roles">Change to a different course</a> </p>
        !           441: DONESCREEN
        !           442: 
        !           443: }
        !           444: 
1.1       albertel  445: sub start_Task {
1.87      albertel  446:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  447: 
1.4       albertel  448:     my ($status,$accessmsg,$slot);
1.16      albertel  449:     if ($target ne 'webgrade') {
1.70      albertel  450: 	&Apache::structuretags::init_problem_globals('Task');
1.16      albertel  451: 	&Apache::structuretags::initialize_storage();
                    452: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  453: 	if ($env{'request.state'} eq 'construct') {
                    454: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    455: 	}
1.16      albertel  456:     } 
                    457: 
1.4       albertel  458:     $Apache::lonhomework::parsing_a_task=1;
1.141     albertel  459: 
                    460:     my $name;
                    461:     if ($target eq 'web' || $target eq 'webgrade') {
                    462: 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    463:     }
                    464: 
1.145     albertel  465:     my ($result,$form_tag_start);
                    466:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
                    467: 	|| $target eq 'edit') {
                    468: 	($result,$form_tag_start) =
                    469: 	    &Apache::structuretags::page_start($target,$token,$tagstack,
                    470: 					       $parstack,$parser,$safeeval,
1.146     albertel  471: 					       $name,&style($target));
1.145     albertel  472: 	$result .= '<div class="LC_task">'."\n";
                    473:     }
1.123     albertel  474: 
1.74      albertel  475:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.147     albertel  476: 	if ($Apache::lonhomework::queuegrade
                    477: 	    || $Apache::lonhomework::modifygrades) {
1.141     albertel  478: 	    $result.='<form name="gradesubmission" method="post" action="';
1.13      albertel  479: 	    my $uri=$env{'request.uri'};
                    480: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.141     albertel  481: 	    $result.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  482: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  483: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.141     albertel  484: 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  485: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    486: 		    '<input type="hidden" name="command" value="showslots" />'.
                    487: 		    '<input type="submit" name="requestattempt" value="'.
                    488: 		    &mt('Show Slot list').'" />'.
                    489: 		    '</form>';
1.108     albertel  490: 		my $target_id = 
                    491: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    492: 							     part => '0'});
1.141     albertel  493: 		$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  494: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    495: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    496: 		    '<input type="submit" name="grading" value="'.
                    497: 		    &mt('Show Grading Status').'" />'.
                    498: 		    '</form>';
1.40      albertel  499: 	    }
1.13      albertel  500: 	}
1.8       albertel  501:     }
1.74      albertel  502:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    503: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    504:     }
1.163     albertel  505:     if ($target eq 'web' 
                    506: 	|| ($target eq 'grade' && !$env{'form.webgrade'}) 
                    507: 	|| $target eq 'answer' 
                    508: 	|| $target eq 'tex') {
1.29      albertel  509: 	my ($version,$previous)=&get_version();
1.14      albertel  510: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  511: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.152     albertel  512: 	if ($status eq 'CAN_ANSWER' && $version eq '') {
                    513: 	    &create_new_version('Task',undef,undef,$slot_name);
                    514: 	    &add_to_queue('gradingqueue',{'type' => 'Task',
                    515: 					  'time' => time,
                    516: 					  'slot' => $slot_name});
1.150     albertel  517: 	    ($version,$previous)=&get_version();
                    518: 	}
                    519: 
1.9       albertel  520: 	push(@Apache::inputtags::status,$status);
1.14      albertel  521: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  522: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  523: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  524: 	&Apache::run::run($expression,$safeeval);
                    525: 	&Apache::lonxml::debug("Got $status");
1.141     albertel  526: 	$result.=&add_previous_version_button($status);
1.54      albertel  527: 	if (!&show_task($status,$previous)) {
1.87      albertel  528: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  529: 	    if ( $target eq "web" ) {
1.74      albertel  530: 		if ($env{'request.state'} eq 'construct') {
                    531: 		    $result.=$form_tag_start;
                    532: 		}
1.4       albertel  533: 		my $msg;
1.1       albertel  534: 		if ($status eq 'UNAVAILABLE') {
                    535: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  536: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    537: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  538: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  539: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    540: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    541: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  542: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    543: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  544: 		} elsif ($env{'form.donescreen'}) {
1.166   ! albertel  545: 		    $result .= &done_screen();
1.1       albertel  546: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    547: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    548: 		}
                    549: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    550: 		    $msg.='The problem '.$accessmsg;
                    551: 		}
                    552: 		$result.=$msg.'<br />';
                    553: 	    } elsif ($target eq 'tex') {
                    554: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    555: 		if ($status eq 'UNAVAILABLE') {
                    556: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    557: 		} else {
                    558: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    559: 		}
1.22      albertel  560: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  561: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  562: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    563: 		       && defined($Apache::inputtags::slot_name)) {
1.148     albertel  564: 			my $result=
                    565: 			    &add_to_queue('gradingqueue',
1.152     albertel  566: 					  {'type' => 'Task',
1.148     albertel  567: 					   'time' => time,
                    568: 					   'slot' => 
                    569: 					       $Apache::inputtags::slot_name});
1.77      albertel  570: 			&Apache::lonxml::debug("add_to_queue said $result");
                    571: 		    }
1.4       albertel  572: 		}
1.1       albertel  573: 	    }
                    574: 	} elsif ($target eq 'web') {
1.141     albertel  575: 
1.57      albertel  576: 	    $result.=&preserve_grade_info();
                    577: 	    $result.=&internal_location();
1.36      albertel  578: 	    $result.=$form_tag_start.
                    579: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  580: 	    &Apache::lonxml::startredirection();
1.1       albertel  581: 	}
1.21      albertel  582:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    583: 	      $target eq 'webgrade') {
1.32      albertel  584: 	my $webgrade='yes';
1.21      albertel  585: 	if ($target eq 'webgrade') {
1.141     albertel  586: 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
1.124     albertel  587: 		'<script type="text/javascript" 
1.126     albertel  588:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  589: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    590: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  591: 	}
1.33      albertel  592: 	# FIXME Blast! still need to reorg this, need to reshow the
                    593:         #       queue being reviewed once done with the grade pass...
                    594:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    595:         #       perhaps do a search if there is a key that is mine and if
                    596:         #       there isn't reshow the queue....
1.105     albertel  597: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  598: 
                    599: 	if ($todo) {
                    600: 	    &setup_env_for_other_user($todo,$safeeval);
                    601: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    602: 	    $result.="\n".'<table><tr><td>Found '.
                    603: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    604: 	    $form_tag_start.=
                    605: 		'<input type="hidden" name="gradingkey" value="'.
1.158     www       606: 		&escape($todo).'" />';
1.33      albertel  607: 	    $Apache::bridgetask::queue_key=$todo;
                    608: 	    &Apache::structuretags::initialize_storage();
                    609: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  610: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    611: 		$form_tag_start.=
                    612: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  613: 	    }
1.15      albertel  614: 	} else {
1.33      albertel  615: 	    if ($target eq 'webgrade') {
                    616: 		$result.="\n";
1.81      albertel  617: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    618: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  619: 		if      ($status_code eq 'stop') {
1.81      albertel  620: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.163     albertel  621: 		} elsif ($status_code eq 'cancel') {
                    622: 		    $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
1.164     albertel  623: 		} elsif ($status_code eq 'never_versioned') {
                    624: 		    $result.='<b>'.
                    625: 			&mt("Requested user has never accessed the task.").
                    626: 			'</b>'.$back;
1.165     albertel  627: 		} elsif ($status_code =~ /still_open:(.*)/) {
                    628: 		    my $date = &Apache::lonlocal::locallocaltime($1);
                    629: 		    $result.='<b>'.
                    630: 			&mt("Task is still open, will close at [_1].",$date).
                    631: 			'</b>'.$back;
1.33      albertel  632: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  633: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  634: 			.'</b>'.$back;
1.33      albertel  635: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  636: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    637: 			.'</b>'.$back;
1.33      albertel  638: 		    $result.=&show_queue($env{'form.queue'},1);
                    639: 		} elsif ($status_code eq 'show_list') {
                    640: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  641: 		} elsif ($status_code eq 'select_user') {
                    642: 		    $result.=&select_user();
1.95      albertel  643: 		} elsif ($status_code eq 'unable') {
                    644: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  645: 		} elsif ($status_code eq 'not_allowed') {
                    646: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  647: 		} else {
1.81      albertel  648: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  649: 		}
1.21      albertel  650: 	    }
1.33      albertel  651: 	    $webgrade='no';
1.163     albertel  652: 	}
                    653: 	if (!$todo || $env{'form.cancel'}) {
1.87      albertel  654: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  655: 	}
                    656: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  657: 	    if ($webgrade eq 'yes') {
                    658: 		$result.=&submission_time_stamp();
                    659: 	    }
1.32      albertel  660: 	    $result.=$form_tag_start;
                    661: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    662: 		$webgrade.'" />';
                    663: 	    $result.='<input type="hidden" name="queue" value="'.
                    664: 		$env{'form.queue'}.'" />';
1.52      albertel  665: 	    if ($env{'form.regrade'}) {
                    666: 		$result.='<input type="hidden" name="regrade" value="'.
                    667: 		    $env{'form.regrade'}.'" />';
                    668: 	    }
1.62      albertel  669: 	    if ($env{'form.chosensections'}) {
                    670: 		my @chosen_sections=
                    671: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    672: 		foreach my $sec (@chosen_sections) {
                    673: 		    $result.='<input type="hidden" name="chosensections" 
                    674:                                value="'.$sec.'" />';
                    675: 		}
                    676: 	    }
1.70      albertel  677: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  678: 	}
1.110     albertel  679: 	if ($target eq 'webgrade') {
1.120     albertel  680: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.110     albertel  681: 	}
1.74      albertel  682:     } elsif ($target eq 'edit') {
1.141     albertel  683: 	$result.=$form_tag_start.
1.74      albertel  684: 	    &Apache::structuretags::problem_edit_header();
                    685: 	$Apache::lonxml::warnings_error_header=
                    686: 	    &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 />";
                    687: 	my $temp=&Apache::edit::insertlist($target,$token);
                    688: 	$result.=$temp;
1.1       albertel  689:     } else {
                    690: 	# page_start returned a starting result, delete it if we don't need it
                    691: 	$result = '';
                    692:     }
                    693:     return $result;
                    694: }
                    695: 
1.165     albertel  696: sub get_task_end_time {
                    697:     my ($queue_entry,$symb,$udom,$uname) = @_;
                    698: 
                    699:     my $end_time;
                    700:     if (my $slot = &slotted_access($queue_entry)) {
                    701: 	my %slot_data=&Apache::lonnet::get_slot($slot);
                    702: 	$end_time = $slot_data{'endtime'};
                    703:     } else {
                    704: 	$end_time = &Apache::lonhomework::due_date('0',$symb,
                    705: 						   $udom,$uname);
                    706:     }
                    707:     return $end_time;
                    708: }
                    709: 
1.32      albertel  710: sub get_key_todo {
                    711:     my ($target)=@_;
                    712:     my $todo;
1.33      albertel  713: 
                    714:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  715: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  716: 	$env{'form.queue'}='reviewqueue';
                    717: 	return (undef,'show_list');
                    718:     }
                    719: 
                    720:     if (defined($env{'form.reviewagrading'})) {
                    721: 	&Apache::lonxml::debug("review a grading....");
                    722: 	$env{'form.queue'}='gradingqueue';
                    723: 	return (undef,'show_list');
                    724:     }
                    725: 
1.49      albertel  726:     if (defined($env{'form.regradeasubmission'})) {
                    727: 	&Apache::lonxml::debug("regrade a grading....");
                    728: 	$env{'form.queue'}='none';
                    729: 	return (undef,'select_user');
                    730:     }
                    731: 
1.105     albertel  732: 
1.138     albertel  733:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.105     albertel  734: 
                    735:     #need to try both queues..
                    736:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    737: 	defined($env{'form.gradinguser'})               &&
                    738: 	defined($env{'form.gradingdomain'})               ) {
                    739: 	my ($symb,$cid)=&Apache::lonxml::whichuser();
                    740: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    741: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    742: 	my $uname = $env{'form.gradinguser'};
                    743: 	my $udom  = $env{'form.gradingdomain'};
                    744: 
                    745: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    746: 
                    747: 	my $queue;
                    748: 
                    749: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    750: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    751: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    752: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    753: 	}
                    754: 	
                    755: 	if (!$queue) {
                    756: 	    $env{'form.queue'} = $queue = 'none';
                    757: 	    #not queued so doing either a re or pre grade
1.164     albertel  758: 	    my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
                    759: 	    if ($status{'resource.0.version'} < 1) {
                    760: 		return (undef,'never_versioned');
                    761: 	    }
1.105     albertel  762: 	    return ($gradingkey);
                    763: 	}
                    764: 
1.165     albertel  765: 	if ($queue) {
                    766: 	    my $queue_entry = &get_queue_data($queue,$udom,$uname);
                    767: 	
                    768: 	    my $end_time = &get_task_end_time($queue_entry,$symb,
                    769: 					      $udom,$uname);
                    770: 	    if ($end_time > time) {
                    771: 		return (undef,"still_open:$end_time");
                    772: 	    }
                    773: 	}
                    774: 
1.105     albertel  775: 	my $who=&queue_key_locked($queue,$gradingkey);
                    776: 	if ($who eq $me) {
                    777: 	    #already have the lock
1.158     www       778: 	    $env{'form.gradingkey'}=&escape($gradingkey);
1.163     albertel  779: 	    &Apache::lonxml::debug("already locked");
1.105     albertel  780: 	    return ($gradingkey);
                    781: 	}
                    782: 	
                    783: 	if (!defined($who)) {
                    784: 	    if (&lock_key($queue,$gradingkey)) {
1.163     albertel  785: 		&Apache::lonxml::debug("newly locked");
1.105     albertel  786: 		return ($gradingkey);
                    787: 	    } else {
                    788: 		return (undef,'lock_failed');
                    789: 	    }
                    790: 	}
                    791: 
                    792: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    793: 	return (undef,'not_allowed',
                    794: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
1.138     albertel  795: 		    $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
1.105     albertel  796:     }
                    797: 
                    798: 
1.32      albertel  799:     my $queue=$env{'form.queue'};
1.33      albertel  800: 
1.32      albertel  801:     if (!defined($queue)) {
                    802: 	$env{'form.queue'}=$queue='gradingqueue';
                    803:     }
1.33      albertel  804: 
1.158     www       805:     my $gradingkey=&unescape($env{'form.gradingkey'});
1.33      albertel  806: 
1.49      albertel  807:     if ($env{'form.queue'} eq 'none') {
                    808: 	if (defined($env{'form.gradingkey'})) {
                    809: 	    if ($target eq 'webgrade') {
                    810: 		if ($env{'form.stop'}) {
                    811: 		    return (undef,'stop');
1.163     albertel  812: 		} elsif ($env{'form.cancel'}) {
                    813: 		    return (undef,'cancel');
1.49      albertel  814: 		} elsif ($env{'form.next'}) {
1.59      albertel  815: 		    return (undef,'select_user');
1.49      albertel  816: 		}
                    817: 	    }
                    818: 	    return ($gradingkey,'selected');
                    819: 	} else {
1.59      albertel  820: 	    return (undef,'select_user');
1.49      albertel  821: 	}
                    822:     }
1.32      albertel  823:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  824: 	&& !defined($env{'form.gradingaction'}) 
                    825: 	&& $env{'form.queuemode'} eq 'selected') {
                    826: 	
                    827: 	my $who=&queue_key_locked($queue,$gradingkey);
                    828: 	if ($who eq $me) {
                    829: 	    &Apache::lonxml::debug("Found a key was given to me");
                    830: 	    return ($gradingkey,'selected');
                    831: 	} else {
                    832: 	    return (undef,'show_list');
                    833: 	}
                    834: 
                    835:     }
                    836: 
                    837:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    838: 	if ($env{'form.gradingaction'} eq 'resume') {
                    839: 	    delete($env{'form.gradingaction'});
                    840: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  841: 	    return ($gradingkey);
1.33      albertel  842: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    843: 	    &Apache::lonxml::debug("Unlocking a key ".
                    844: 				     &check_queue_unlock($queue,$gradingkey,1));
                    845: 	    return (undef,'unlock');
                    846: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    847: 	    &Apache::lonxml::debug("Locking a key");
                    848: 	    if (&lock_key($queue,$gradingkey)) {
                    849: 		&Apache::lonxml::debug("Success $queue");
                    850: 		return ($gradingkey);
                    851: 	    }
                    852: 	    &Apache::lonxml::debug("Failed $queue");
                    853: 	    return (undef,'lock_failed');
1.32      albertel  854: 	}
                    855:     }
1.33      albertel  856: 
                    857:     if ($env{'form.queuemode'} ne 'selected') {
                    858: 	# don't get something new from the queue if they hit the stop button
1.163     albertel  859:     	if (!(($env{'form.cancel'} || $env{'form.stop'}) 
                    860: 	      && $target eq 'webgrade') 
1.33      albertel  861: 	    && !$env{'form.gradingaction'}) {
                    862: 	    &Apache::lonxml::debug("Getting anew $queue");
                    863: 	    return (&get_from_queue($queue));
                    864: 	} else {
                    865: 	    return (undef,'stop');
                    866: 	}
1.32      albertel  867:     }
1.33      albertel  868:     return (undef,undef)
1.32      albertel  869: }
1.94      albertel  870: 
                    871: sub minimize_storage {
                    872:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    873: 	if ($key =~ /regrader$/) { next; }
                    874: 	if ($Apache::lonhomework::results{$key} eq
                    875: 	    $Apache::lonhomework::history{$key}) {
                    876: 	    delete($Apache::lonhomework::results{$key});
                    877: 	}
                    878:     }
                    879: }
                    880: 
1.1       albertel  881: sub end_Task {
                    882:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    883:     my $result='';
                    884:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  885:     my ($version,$previous)=&get_version();
1.1       albertel  886:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  887: 	$target eq 'tex') {
1.69      albertel  888: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  889: 	    if ($target eq 'web') {
1.54      albertel  890: 		if (&show_task($status,$previous)) {
                    891: 		    $result.=&Apache::lonxml::endredirection();
                    892: 		}
1.64      albertel  893: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    894: 		    !$env{'form.donescreen'}) {
1.15      albertel  895: 		    $result.="\n".'<table border="1">'.
1.28      albertel  896: 			&Apache::inputtags::file_selector("$version.0",
                    897: 							  "bridgetask","*",
1.46      albertel  898: 							  'portfolioonly',
                    899: 							  '
                    900: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    901: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  902: 							  "</table>";
1.77      albertel  903: 		}
1.78      albertel  904: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    905: 		    &show_task($status,$previous)) {
1.9       albertel  906: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  907: 		    $result.='</form>';
1.116     albertel  908: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel  909: 		    $result.=<<DONEBUTTON;
1.115     albertel  910: <form name="done" method="post" action="$action">
1.64      albertel  911:    <input type="hidden" name="donescreen" value="1" />
                    912:    <input type="submit" value="Done" />
                    913: </form>
                    914: DONEBUTTON
1.77      albertel  915:                 }
1.56      albertel  916: 		if (&show_task($status,$previous) &&
1.89      albertel  917: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    918: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  919: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  920: 
1.149     albertel  921: 		    my $start_time;
                    922: 
1.80      albertel  923: 		    my $slot_name=
1.89      albertel  924: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.149     albertel  925: 		    if ($slot_name) {
                    926: 			my %slot=&Apache::lonnet::get_slot($slot_name);
                    927: 
                    928: 			$start_time=$slot{'starttime'}
                    929: 		    } else {
                    930: 			$start_time= 
                    931: 			    &Apache::lonnet::EXT('resource.0.opendate');
                    932: 		    }
                    933: 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
1.54      albertel  934: 
1.116     albertel  935: 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
1.54      albertel  936: 		    
                    937: 		    if ($bt_status eq 'pass')  {
                    938: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  939: 			    $start_time.'</h2>';
1.54      albertel  940: 		    }
                    941: 		    if ($bt_status eq 'fail')  {
                    942: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  943: 			    $start_time.'</h2>';
1.54      albertel  944: 			if (!$previous) {
                    945: 			    $status.=&add_request_another_attempt_button();
                    946: 			}
                    947: 		    }
                    948: 		    my $man_count=0;
                    949: 		    my $opt_count=0;
                    950: 		    my $opt_passed=0;
                    951: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    952: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    953: 			    eq 'N') {
                    954: 			    $opt_count++;
1.89      albertel  955: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  956: 				$opt_passed++;
                    957: 			    }
                    958: 			} else {
                    959: 			    $man_count++;
                    960: 			}
                    961: 		    }
1.151     albertel  962: 		    
1.54      albertel  963: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    964: 							 $parstack,$safeeval);
                    965: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.99      albertel  966: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
1.54      albertel  967: 
                    968: 		    my $internal_location=&internal_location();
                    969: 		    $result=~s/\Q$internal_location\E/$status/;
                    970: 		}
1.142     albertel  971: 		$result.="\n</div>\n".
                    972: 		    &Apache::loncommon::end_page({'discussion' => 1});
1.1       albertel  973: 	    }
                    974: 	}
1.29      albertel  975: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  976: 	    my $award='SUBMITTED';
1.28      albertel  977: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  978: 						    'portfiles',\$award);
1.14      albertel  979: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  980: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    981: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    982: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    983: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    984: 
                    985: 		$Apache::lonhomework::results{"resource.0.award"}=
                    986: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    987: 		    $award;
1.51      albertel  988: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    989: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  990: 	    } else {
                    991: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  992: 		$award = '';
1.10      albertel  993: 	    }
1.4       albertel  994: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    995: 	    &Apache::structuretags::finalize_storage();
1.148     albertel  996: 	    if ($award eq 'SUBMITTED') {
                    997: 		my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
                    998: 		if ($useslots =~ /^\s*no\s*$/i) {
                    999: 		    &add_to_queue('gradingqueue',
1.152     albertel 1000: 				  {'type' => 'Task',
1.148     albertel 1001: 				   'time' => time});
                   1002: 		} elsif (defined($Apache::inputtags::slot_name)) {
                   1003: 		    &add_to_queue('gradingqueue',
1.152     albertel 1004: 				  {'type' => 'Task',
1.148     albertel 1005: 				   'time' => time,
                   1006: 				   'slot' => $Apache::inputtags::slot_name});
                   1007: 		}
1.14      albertel 1008: 	    }
1.79      albertel 1009: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                   1010: 	    &Apache::structuretags::finalize_storage();
1.1       albertel 1011: 	}
1.163     albertel 1012: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1013: 	    && exists($env{'form.cancel'})) {
                   1014: 	    &check_queue_unlock($env{'form.queue'});
                   1015: 	    &Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
                   1016: 	} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
                   1017: 		 && !exists($env{'form.cancel'})) {
1.20      albertel 1018: 	    my $optional_required=
                   1019: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                   1020: 					   $safeeval);
                   1021: 	    my $optional_passed=0;
                   1022: 	    my $mandatory_failed=0;
                   1023: 	    my $ungraded=0;
                   1024: 	    my $review=0;   
1.21      albertel 1025: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel 1026: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                   1027: 		my $status=
1.89      albertel 1028: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel 1029: 		my $mandatory=
                   1030: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                   1031: 		if ($status eq 'pass') {
                   1032: 		    if (!$mandatory) { $optional_passed++; }
                   1033: 		} elsif ($status eq 'fail') {
                   1034: 		    if ($mandatory) { $mandatory_failed++; }
                   1035: 		} elsif ($status eq 'ungraded') {
                   1036: 		    $ungraded++;
                   1037: 		} elsif ($status eq 'review') {
                   1038: 		    $review++;
1.49      albertel 1039: 		} else {
                   1040: 		    $ungraded++;
                   1041: 		}
1.20      albertel 1042: 	    }
                   1043: 	    if ($optional_passed < $optional_required) {
                   1044: 		$mandatory_failed++;
                   1045: 	    }
1.21      albertel 1046: 	    &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 1047: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.138     albertel 1048: 		$env{'user.name'}.':'.$env{'user.domain'};
1.20      albertel 1049: 	    if ($review) {
1.89      albertel 1050: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel 1051: 		if ($env{'form.queue'} eq 'reviewqueue') {
                   1052: 		    &check_queue_unlock($env{'form.queue'});
                   1053: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                   1054: 		} else {
1.49      albertel 1055: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel 1056: 		}
1.20      albertel 1057: 	    } elsif ($ungraded) {
1.89      albertel 1058: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel 1059: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                   1060: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel 1061: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel 1062: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel 1063: 		} else {
                   1064: 		    &check_queue_unlock($env{'form.queue'});
                   1065: 		}
1.20      albertel 1066: 	    } elsif ($mandatory_failed) {
1.89      albertel 1067: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel 1068: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                   1069: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                   1070: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel 1071: 		&remove_from_queue($env{'form.queue'}); 
                   1072: 
                   1073: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel 1074: 		
                   1075: 		if ($env{'form.regrade'} ne 'yes') {
                   1076: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1077: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1078: 		    &Apache::grades::version_portfiles(
                   1079: 						       \%Apache::lonhomework::results,
                   1080: 						       ["$version.0.bridgetask"],$courseid,
                   1081: 						       $symb,$udom,$uname,
                   1082: 						       ["$version.0.bridgetask"]);
                   1083: 		}
1.20      albertel 1084: 	    } else {
1.89      albertel 1085: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel 1086: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                   1087: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                   1088: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel 1089: 		&remove_from_queue($env{'form.queue'});
1.39      albertel 1090: 
                   1091: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel 1092: 		if ($env{'form.regrade'} ne 'yes') {
                   1093: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                   1094: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                   1095: 		    &Apache::grades::version_portfiles(
                   1096: 						       \%Apache::lonhomework::results,
                   1097: 						       ["$version.0.bridgetask"],$courseid,
                   1098: 						       $symb,$udom,$uname,
                   1099: 						       ["$version.0.bridgetask"]);
                   1100: 		}
1.20      albertel 1101: 	    }
1.89      albertel 1102: 	    $Apache::lonhomework::results{"resource.0.status"}=
                   1103: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel 1104: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel 1105: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel 1106: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel 1107: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel 1108: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel 1109: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel 1110: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel 1111: 	    }
1.94      albertel 1112: 	    &minimize_storage();
1.21      albertel 1113: 	    &Apache::structuretags::finalize_storage();
1.20      albertel 1114: 	}
1.15      albertel 1115:     } elsif ($target eq 'webgrade') {
1.131     albertel 1116: 	$result.="</div>";
1.20      albertel 1117: 	#$result.='<input type="submit" name="next" value="'.
                   1118: 	#    &mt('Save &amp; Next').'" /> ';
                   1119: 	#$result.='<input type="submit" name="end" value="'.
                   1120: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1121: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1122: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1123: 	#$result.='<input type="submit" name="save" value="'.
                   1124: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel 1125: 	$result.='</form>'."\n</div>\n</div>\n".
1.140     albertel 1126: 	    &Apache::loncommon::end_page();
1.1       albertel 1127:     } elsif ($target eq 'meta') {
1.70      albertel 1128: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1129:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1130: 						      'Problem Status');
                   1131: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1132: 						      'Number of Attempts');
                   1133: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1134: 						      'Partial Credit Factor');
                   1135: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1136: 						      'Bridge Task Status');
1.1       albertel 1137:     }
1.4       albertel 1138:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1139:     return $result;
                   1140: }
                   1141: 
1.31      albertel 1142: sub move_between_queues {
                   1143:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1144:     my $cur_data;
                   1145:     if ($src_queue ne 'none') {
                   1146: 	$cur_data=&get_queue_data($src_queue);
                   1147: 	if (!$cur_data) { return 'not_exist'; }
                   1148:     } else {
                   1149: 	$cur_data = ['none'];
                   1150:     }
1.148     albertel 1151:     my $result=&add_to_queue($dest_queue,$cur_data);
1.31      albertel 1152:     if ($result ne 'ok') {
                   1153: 	return $result;
                   1154:     }
                   1155:     &check_queue_unlock($src_queue);
                   1156:     return &remove_from_queue($src_queue);
1.21      albertel 1157: }
                   1158: 
                   1159: sub check_queue_unlock {
1.32      albertel 1160:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1161:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel 1162:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel 1163:     if (!defined($key)) {
1.138     albertel 1164: 	$key="$symb\0queue\0$uname:$udom";
1.32      albertel 1165:     }
1.30      albertel 1166:     my $cnum=$env{'course.'.$cid.'.num'};
                   1167:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1168:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.30      albertel 1169:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1170:     if  ($who eq $me) {
1.163     albertel 1171: 	&Apache::lonxml::debug("unlocking my own $who");
1.32      albertel 1172: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1173:     } elsif ($allow_not_me) {
1.33      albertel 1174: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1175: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1176:     }
1.32      albertel 1177:     return 'not_owner';
1.21      albertel 1178: }
                   1179: 
1.88      albertel 1180: sub in_queue {
                   1181:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1182:     if ($queue eq 'none') { return 0; }
                   1183:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1184: 	|| !defined($udom) || !defined($uname)) {
                   1185: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1186: 	$cnum=$env{'course.'.$cid.'.num'};
                   1187: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1188:     }
                   1189: 
                   1190:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1191:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1192: 
                   1193:     if (defined($results{$key})) {
                   1194: 	return 1;
                   1195:     }
                   1196:     return 0;
                   1197: }
                   1198: 
1.21      albertel 1199: sub remove_from_queue {
1.86      albertel 1200:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1201:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1202:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1203: 	|| !defined($udom) || !defined($uname)) {
                   1204: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1205: 	$cnum=$env{'course.'.$cid.'.num'};
                   1206: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1207:     }
1.88      albertel 1208:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1209: 	return 'ok';
                   1210:     }
1.86      albertel 1211:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1212:     my @keys=($key,"$key\0locked");
1.31      albertel 1213:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1214: }
                   1215: 
1.16      albertel 1216: sub setup_env_for_other_user {
                   1217:     my ($queue_key,$safeeval)=@_;
                   1218:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1219:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1220:     $env{'form.grade_symb'}=$symb;
                   1221:     $env{'form.grade_domain'}=$udom;
                   1222:     $env{'form.grade_username'}=$uname;
                   1223:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1224:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1225: }
                   1226: 
1.31      albertel 1227: sub get_queue_data {
1.165     albertel 1228:     my ($queue,$udom,$uname)=@_;
                   1229:     my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonxml::whichuser();
                   1230:     if (!$uname || !$udom) {
                   1231: 	$uname=$other_uname;
                   1232: 	$udom =$other_udom;
                   1233:     }
1.31      albertel 1234:     my $cnum=$env{'course.'.$cid.'.num'};
                   1235:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1236:     my $todo="$symb\0queue\0$uname:$udom";
1.31      albertel 1237:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1238:     if ($key eq $todo && ref($value)) {
                   1239: 	return $value;
                   1240:     }
                   1241:     return undef;
                   1242: }
                   1243: 
1.84      albertel 1244: 
1.49      albertel 1245: sub check_queue_for_key {
1.84      albertel 1246:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1247: 
1.49      albertel 1248:     my %results=
                   1249: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1250:     
                   1251:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1252: 	if (defined($results{"$todo\0locked"})) {
                   1253: 	    return 'locked';
                   1254: 	}
1.148     albertel 1255: 	if (my $slot=&slotted_access($results{$todo})) {
1.86      albertel 1256: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1257: 	    if ($slot_data{'endtime'} > time) { 
                   1258: 		return 'in_progress';
                   1259: 	    }
1.148     albertel 1260: 	} else {
                   1261: 	    my ($symb) = &decode_queue_key($todo);
                   1262: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1263: 	    if ($due_date > time) {
                   1264: 		return 'in_progress';
                   1265: 	    }
1.58      albertel 1266: 	}
1.49      albertel 1267: 	return 'enqueued';
                   1268:     }
                   1269:     return undef;
                   1270: }
                   1271: 
1.14      albertel 1272: sub add_to_queue {
1.82      albertel 1273:     my ($queue,$user_data)=@_;
1.49      albertel 1274:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1275:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1276:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1277: 	return 'no_queue';
                   1278:     }
1.14      albertel 1279:     my $cnum=$env{'course.'.$cid.'.num'};
                   1280:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1281:     my %data;
1.138     albertel 1282:     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
1.83      albertel 1283:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1284: }
                   1285: 
1.156     albertel 1286: sub get_limited_classlist {
                   1287:     my ($sections) = @_;
                   1288: 
                   1289:     my $classlist = &Apache::loncoursedata::get_classlist();
1.157     albertel 1290:     foreach my $student (keys(%$classlist)) {
                   1291: 	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
                   1292: 	     ne 'Active') {
                   1293: 	    delete($classlist->{$student});
                   1294:        	}
                   1295:     }
1.156     albertel 1296: 
1.157     albertel 1297:     if (ref($sections) && !grep('all',@{ $sections })) {
1.156     albertel 1298: 	foreach my $student (keys(%$classlist)) {
                   1299: 	    my $section  = 
                   1300: 		$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
                   1301: 	    if (! grep($section,@{ $sections })) {
                   1302: 		delete($classlist->{$student});
                   1303: 	    }
                   1304: 	}
                   1305:     }
                   1306:     return $classlist;
                   1307: }
                   1308: 
                   1309: 
1.14      albertel 1310: sub show_queue {
1.32      albertel 1311:     my ($queue,$with_selects)=@_;
1.14      albertel 1312:     my $result;
                   1313:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1314:     my $cnum=$env{'course.'.$cid.'.num'};
                   1315:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1316: 
                   1317:     my @chosen_sections=
                   1318: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1319: 
                   1320:     my $classlist = &get_limited_classlist(\@chosen_sections);
                   1321: 
1.63      albertel 1322:     if (!(grep(/^all$/,@chosen_sections))) {
                   1323: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1324: 	    '</tt>.</p> '."\n";
                   1325:     }
1.59      albertel 1326: 
1.156     albertel 1327:     my ($view,$view_section);
                   1328:     my $scope = $env{'request.course.id'};
                   1329:     if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
                   1330: 	$scope .= '/'.$env{'request.course.sec'};
                   1331: 	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
                   1332: 	    $view_section=$env{'request.course.sec'};
                   1333: 	} else {
                   1334: 	    undef($view);
                   1335: 	}
                   1336:     }
                   1337: 
1.16      albertel 1338:     my $regexp="^$symb\0";
1.30      albertel 1339:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1340:     my ($tmp)=%queue;
                   1341:     if ($tmp=~/^error: 2 /) {
1.159     albertel 1342: 	return "\n<h3>Current Queue - $queue</h3>".
                   1343: 	    &Apache::loncommon::start_data_table().
                   1344: 	    &Apache::loncommon::start_data_table_row().
                   1345: 	    '<td>'.&mt('Empty').'</td>'.
                   1346: 	    &Apache::loncommon::end_data_table_row().
                   1347: 	    &Apache::loncommon::end_data_table();
1.31      albertel 1348:     }
1.103     albertel 1349:     my $title=&Apache::lonnet::gettitle($symb);
1.159     albertel 1350:     $result.="\n<h3>Current Queue - $title $queue </h3>".
                   1351: 	&Apache::loncommon::start_data_table().
                   1352: 	&Apache::loncommon::start_data_table_header_row();
1.103     albertel 1353:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
1.159     albertel 1354:     $result.="<th>user</th><th>data</th>".
                   1355: 	&Apache::loncommon::end_data_table_header_row();
1.14      albertel 1356:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1357: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1358: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.156     albertel 1359: 	
                   1360: 	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
                   1361: 
                   1362: 	my $can_view=1;
                   1363: 	if (!$view
                   1364: 	    || ($view_section && !$section)
                   1365: 	    || ($view_section && $section && ($view_section ne $section))) {
                   1366: 	    $can_view=0;
                   1367: 	}
                   1368: 
1.32      albertel 1369: 	if ($key=~/locked$/ && !$with_selects) {
1.159     albertel 1370: 	    $result.= &Apache::loncommon::start_data_table_row().
                   1371: 		"<td>$uname</td>";
1.103     albertel 1372: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1373: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.159     albertel 1374: 	    $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
1.103     albertel 1375: 	    $result.='<td>'.
1.16      albertel 1376: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1377: 	} elsif ($key!~/(timestamp|locked)$/) {
1.159     albertel 1378: 	    $result.= &Apache::loncommon::start_data_table_row();
1.148     albertel 1379: 	    my ($end_time,$slot_text);
                   1380: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1381: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1382: 		$end_time = $slot_data{'endtime'};
                   1383: 		$slot_text = &mt('Slot: [_1]',$slot);
                   1384: 	    } else {
                   1385: 		$end_time = &Apache::lonhomework::due_date('0',$symb);
                   1386: 		$slot_text = '';
                   1387: 	    }
1.32      albertel 1388: 	    if ($with_selects) {
1.158     www      1389: 		my $ekey=&escape($key);
1.103     albertel 1390: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1391: 		if (exists($queue{"$key\0locked"})) {
1.138     albertel 1392: 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.103     albertel 1393: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1394: 		    if ($me eq $queue{"$key\0locked"}) {
                   1395: 			($action,$description)=('resume',&mt('Resume'));
                   1396: 		    } else {
                   1397: 			($action,$description)=('unlock',&mt('Unlock'));
                   1398: 		    }
                   1399: 		}
1.62      albertel 1400: 		my $seclist;
                   1401: 		foreach my $sec (@chosen_sections) {
                   1402: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1403:                                value="'.$sec.'" />';
                   1404: 		}
1.156     albertel 1405: 		if ($can_view && ($end_time ne '' && time > $end_time)) {
1.35      albertel 1406: 		    $result.=(<<FORM);
1.103     albertel 1407: <td>$status</td>
1.32      albertel 1408: <td>
1.115     albertel 1409: <form style="display: inline" method="post">
1.32      albertel 1410:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1411:  <input type="hidden" name="queue" value="$queue" />
                   1412:  <input type="hidden" name="gradingaction" value="$action" />
                   1413:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1414:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1415:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1416:  $seclist
1.32      albertel 1417: </form>
                   1418: </td>
                   1419: FORM
1.156     albertel 1420:                 } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
                   1421: 		    $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
1.35      albertel 1422:                 } else {
1.148     albertel 1423: 		    $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
1.35      albertel 1424: 		}
1.32      albertel 1425: 	    }
1.156     albertel 1426: 	    $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
1.138     albertel 1427: 		" <tt>($uname:$udom)</tt> </td>";
1.148     albertel 1428: 	    $result.='<td>'.$slot_text.' End time: '.
                   1429: 		&Apache::lonlocal::locallocaltime($end_time).
1.159     albertel 1430: 		"</td>".&Apache::loncommon::end_data_table_row();
1.16      albertel 1431: 	}
1.14      albertel 1432:     }
1.159     albertel 1433:     $result.= &Apache::loncommon::end_data_table()."<hr />\n";
1.14      albertel 1434:     return $result;
                   1435: }
                   1436: 
1.34      albertel 1437: sub get_queue_counts {
                   1438:     my ($queue)=@_;
                   1439:     my $result;
                   1440:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1441:     my $cnum=$env{'course.'.$cid.'.num'};
                   1442:     my $cdom=$env{'course.'.$cid.'.domain'};
1.156     albertel 1443: 
1.157     albertel 1444:     my $classlist=&get_limited_classlist();
1.156     albertel 1445: 
1.34      albertel 1446:     my $regexp="^$symb\0";
                   1447:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1448:     my ($tmp)=%queue;
                   1449:     if ($tmp=~/^error: 2 /) {
                   1450: 	return (0,0,0);
                   1451:     }
                   1452:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1453:     my %slot_cache;
1.34      albertel 1454:     foreach my $key (sort(keys(%queue))) {
1.156     albertel 1455: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1456: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
                   1457: 
1.34      albertel 1458: 	if ($key=~/locked$/) {
                   1459: 	    $locks++;
                   1460: 	} elsif ($key=~/timestamp$/) {
                   1461: 	    #ignore
                   1462: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1463: 	    $entries++;
1.148     albertel 1464: 	    if (my $slot=&slotted_access($queue{$key})) {
                   1465: 		if (!exists($slot_cache{$slot})) {
                   1466: 		    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1467: 		    $slot_cache{$slot} = \%slot_data;
                   1468: 		}
                   1469: 		if (time > $slot_cache{$slot}{'endtime'}) {
                   1470: 		    $ready_to_grade++;
                   1471: 		}
                   1472: 	    } else {
                   1473: 		my $due_date = &Apache::lonhomework::due_date('0',$symb);
                   1474: 		if ($due_date ne '' && time > $due_date) {
                   1475: 		    $ready_to_grade++;
                   1476: 		}
1.34      albertel 1477: 	    }
                   1478: 	}
                   1479:     }
                   1480:     return ($entries,$ready_to_grade,$locks);
                   1481: }
                   1482: 
1.49      albertel 1483: sub encode_queue_key {
                   1484:     my ($symb,$udom,$uname)=@_;
1.138     albertel 1485:     return "$symb\0queue\0$uname:$udom";
1.49      albertel 1486: }
                   1487: 
1.14      albertel 1488: sub decode_queue_key {
                   1489:     my ($key)=@_;
                   1490:     my ($symb,undef,$user) = split("\0",$key);
1.138     albertel 1491:     my ($uname,$udom) = split(':',$user);
1.14      albertel 1492:     return ($symb,$uname,$udom);
                   1493: }
                   1494: 
                   1495: sub queue_key_locked {
1.30      albertel 1496:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1497:     if (!defined($cdom) || !defined($cnum)) {
                   1498: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1499: 	$cnum=$env{'course.'.$cid.'.num'};
                   1500: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1501:     }
1.14      albertel 1502:     my ($key_locked,$value)=
1.30      albertel 1503: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1504:     if ($key_locked eq "$key\0locked") {
                   1505: 	return $value;
                   1506:     }
                   1507:     return undef;
                   1508: }
                   1509: 
1.148     albertel 1510: sub slotted_access {
                   1511:     my ($queue_entry) = @_;
                   1512:     if (ref($queue_entry) eq 'ARRAY') {
                   1513: 	if (defined($queue_entry->[0])) {
                   1514: 	    return $queue_entry->[0];
                   1515: 	}
                   1516: 	return undef;
                   1517:     } elsif (ref($queue_entry) eq 'HASH') {
                   1518: 	if (defined($queue_entry->{'slot'})) {
                   1519: 	    return $queue_entry->{'slot'};
                   1520: 	}
                   1521: 	return undef;
                   1522:     }
                   1523:     return undef;
                   1524: }
                   1525: 
1.14      albertel 1526: sub pick_from_queue_data {
1.156     albertel 1527:     my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
1.98      albertel 1528:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1529:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1530: 	if ($key =~ /\0locked$/) { next; }
                   1531: 	if ($key =~ /\0timestamp$/) { next; }
1.156     albertel 1532: 
1.14      albertel 1533: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
1.156     albertel 1534: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
                   1535: 
1.14      albertel 1536: 	if ($check_section) {
1.156     albertel 1537: 	    my $section =
                   1538: 		$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
1.17      albertel 1539: 	    if ($section eq $check_section) {
1.33      albertel 1540: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1541: 		next;
                   1542: 	    }
1.14      albertel 1543: 	}
1.148     albertel 1544: 	my $end_time;
                   1545: 	if (my $slot=&slotted_access($queuedata->{$key})) {
1.154     albertel 1546: 	    &Apache::lonxml::debug("looking at slot $slot");
1.148     albertel 1547: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1548: 	    if ($slot_data{'endtime'} < time) { 
                   1549: 		$end_time = $slot_data{'endtime'};
1.154     albertel 1550: 	    } else {
                   1551: 		&Apache::lonxml::debug("not time ".$slot_data{'endtime'});
                   1552: 		next;
1.148     albertel 1553: 	    }
                   1554: 	} else {
                   1555: 	    my $due_date = &Apache::lonhomework::due_date('0',$symb);
1.154     albertel 1556: 	    if ($due_date < time) {
1.148     albertel 1557: 		$end_time = $due_date;
1.154     albertel 1558: 	    } else {
                   1559: 		&Apache::lonxml::debug("not time $due_date");
                   1560: 		next;
1.148     albertel 1561: 	    }
                   1562: 	}
                   1563: 	
1.98      albertel 1564: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1565: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1566: 	    next;
                   1567: 	}
1.148     albertel 1568: 	push(@possible,[$key,$end_time]);
1.98      albertel 1569:     }
                   1570:     if (@possible) {
                   1571:         # sort entries in order by slot end time
                   1572: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
1.137     albertel 1573: 	# pick one of the entries in the top 10% in small queues and one
                   1574: 	# of the first ten entries in large queues
1.139     albertel 1575: 	#my $ten_percent = int($#possible * 0.1);
                   1576: 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
                   1577: 	#if ($ten_percent > 10) { $ten_percent = 10; }
                   1578: 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
1.137     albertel 1579: 	
1.139     albertel 1580: 	#return $possible[int(rand($max))][0];
                   1581: 	return $possible[0][0];
1.14      albertel 1582:     }
                   1583:     return undef;
                   1584: }
                   1585: 
1.15      albertel 1586: sub find_mid_grade {
1.30      albertel 1587:     my ($queue,$symb,$cdom,$cnum)=@_;
1.158     www      1588:     my $todo=&unescape($env{'form.gradingkey'});
1.138     albertel 1589:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.15      albertel 1590:     if ($todo) {
1.30      albertel 1591: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1592: 	if ($who eq $me) { return $todo; }
                   1593:     }
                   1594:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1595:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1596:     foreach my $key (keys(%locks)) {
                   1597: 	my $who=$locks{$key};
                   1598: 	if ($who eq $me) {
                   1599: 	    $todo=$key;
                   1600: 	    $todo=~s/\0locked$//;
                   1601: 	    return $todo;
                   1602: 	}
                   1603:     }
                   1604:     return undef;
                   1605: }
                   1606: 
1.32      albertel 1607: sub lock_key {
                   1608:     my ($queue,$todo)=@_;
1.138     albertel 1609:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.32      albertel 1610:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1611:     my $cnum=$env{'course.'.$cid.'.num'};
                   1612:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1613:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1614: 					$cdom,$cnum);
1.33      albertel 1615:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1616:     if ($success eq 'ok') {
                   1617: 	return 1;
                   1618:     }
                   1619:     return 0;
                   1620: }
                   1621: 
1.86      albertel 1622: sub get_queue_symb_status {
1.85      albertel 1623:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1624:     if (!defined($cdom) || !defined($cnum)) {
                   1625: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1626: 	$cnum=$env{'course.'.$cid.'.num'};
                   1627: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1628:     }
1.157     albertel 1629:     my $classlist=&get_limited_classlist();
1.156     albertel 1630: 
1.85      albertel 1631:     my $regexp="^$symb\0";
                   1632:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1633:     my ($tmp)=%queue;
                   1634:     if ($tmp=~/^error: 2 /) { return; }
                   1635:     my @users;
                   1636:     foreach my $key (sort(keys(%queue))) {
                   1637: 	next if ($key=~/locked$/);
                   1638: 	next if ($key=~/timestamp$/);
                   1639: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
1.156     albertel 1640: 	next if (!defined($classlist->{$uname.':'.$udom}));
1.85      albertel 1641: 	push(@users,"$uname:$udom");
                   1642:     }
                   1643:     return @users;
                   1644: }
                   1645: 
1.14      albertel 1646: sub get_from_queue {
1.30      albertel 1647:     my ($queue)=@_;
1.14      albertel 1648:     my $result;
                   1649:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1650:     my $cnum=$env{'course.'.$cid.'.num'};
                   1651:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1652:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1653:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1654:     if ($todo) { return $todo; }
1.95      albertel 1655:     my $attempts=0;
1.156     albertel 1656: 
1.157     albertel 1657:     my $classlist=&get_limited_classlist();
1.156     albertel 1658: 
1.14      albertel 1659:     while (1) {
1.95      albertel 1660: 	if ($attempts > 2) {
                   1661: 	    # tried twice to get a queue entry, giving up
                   1662: 	    return (undef,'unable');
                   1663: 	}
1.14      albertel 1664: 	my $starttime=time;
1.83      albertel 1665: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1666: 			      $cdom,$cnum);
1.33      albertel 1667: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1668: 	my $regexp="^$symb\0queue\0";
1.156     albertel 1669: 	#my $range= ($attempts < 1 ) ? '0-100' : '0-400';
1.97      albertel 1670: 
1.98      albertel 1671: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1672: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1673: 	if ($env{'request.course.sec'}) {
1.33      albertel 1674: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1675: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1.156     albertel 1676: 					\%queue,$cdom,$cnum,$classlist);
1.33      albertel 1677: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1678: 	}
1.33      albertel 1679: 	# no one _not_ in our section so look for any user that is
                   1680: 	# ready for grading
1.14      albertel 1681: 	if (!$todo) {
1.33      albertel 1682: 	    &Apache::lonxml::debug("no sce");
1.156     albertel 1683: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
                   1684: 					$classlist);
1.33      albertel 1685: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1686: 	}
                   1687: 	# no user to grade 
                   1688: 	if (!$todo) { last; }
1.33      albertel 1689: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1690: 	# otherwise found someone so lets try to lock them
1.32      albertel 1691: 	# unless someone else already picked them
1.95      albertel 1692: 	if (!&lock_key($queue,$todo)) {
                   1693: 	    $attempts++;
                   1694: 	    next;
                   1695: 	}
1.14      albertel 1696: 	my (undef,$endtime)=
1.30      albertel 1697: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1698: 				 $cdom,$cnum);
1.33      albertel 1699: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1700: 	# someone else already modified the queue, 
                   1701: 	# perhaps our picked user wass already fully graded between
                   1702: 	# when we picked him and when we locked his record? so lets
                   1703: 	# double check.
                   1704: 	if ($endtime != $starttime) {
                   1705: 	    my ($key,$value)=
1.30      albertel 1706: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1707: 				     $cdom,$cnum);
1.33      albertel 1708: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1709: 	    if ($key eq $todo && ref($value)) {
                   1710: 	    } else {
1.30      albertel 1711: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1712: 				     $cdom,$cnum);
1.33      albertel 1713: 		&Apache::lonxml::debug("del");
1.95      albertel 1714: 		$attempts++;
1.14      albertel 1715: 		next;
                   1716: 	    }
                   1717: 	}
1.33      albertel 1718: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1719: 	last;
                   1720:     }
                   1721:     return $todo;
                   1722: }
                   1723: 
1.49      albertel 1724: sub select_user {
                   1725:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1726: 
1.59      albertel 1727:     my @chosen_sections=
                   1728: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.156     albertel 1729: 
                   1730:     my $classlist = &get_limited_classlist(\@chosen_sections);
1.63      albertel 1731:     
                   1732:     my $result;
                   1733:     if (!(grep(/^all$/,@chosen_sections))) {
                   1734: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1735: 	    '</tt>.</p> '."\n";
                   1736:     }
1.159     albertel 1737:     $result.=&Apache::loncommon::start_data_table();
1.49      albertel 1738: 
1.156     albertel 1739:     foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
1.49      albertel 1740: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1741: 	
1.84      albertel 1742: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1743: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1744: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1745: 					 'Task');
1.49      albertel 1746: 	my $queue = 'none';
1.58      albertel 1747: 	my $cannot_grade;
                   1748: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1749: 	    $queue = 'reviewqueue';
1.58      albertel 1750: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1751: 		$cannot_grade=1;
                   1752: 	    }
                   1753: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1754: 	    $queue = 'gradingqueue';
1.58      albertel 1755: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1756: 		$cannot_grade=1;
                   1757: 	    }
1.49      albertel 1758: 	}
                   1759: 	my $todo = 
1.158     www      1760: 	    &escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1761: 	if ($cannot_grade) {
1.159     albertel 1762: 	    $result.=&Apache::loncommon::start_data_table_row().
                   1763: 		'<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
1.58      albertel 1764: 		'</td><td>';
                   1765: 	} else {
1.62      albertel 1766: 	    my $seclist;
                   1767: 	    foreach my $sec (@chosen_sections) {
                   1768: 		$seclist.='<input type="hidden" name="chosensections" 
                   1769:                                value="'.$sec.'" />';
                   1770: 	    }
1.159     albertel 1771: 	    $result.=&Apache::loncommon::start_data_table_row();
1.58      albertel 1772: 	    $result.=<<RESULT;
1.49      albertel 1773:   <td>
1.115     albertel 1774:     <form style="display: inline" method="post">
1.49      albertel 1775:       <input type="hidden" name="gradingkey" value="$todo" />
                   1776:       <input type="hidden" name="queue" value="$queue" />
                   1777:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1778:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1779:       <input type="submit" name="submit" value="Regrade" />
                   1780:       $seclist
1.49      albertel 1781:     </form>
1.155     albertel 1782:   <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
1.49      albertel 1783:   <td>
                   1784: RESULT
1.58      albertel 1785:         }
1.49      albertel 1786:         if ($status{'status'} eq 'pass') {
                   1787: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1788: 	} elsif ($status{'status'} eq 'fail') {
                   1789: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1790: 	} elsif ($status{'status'} eq 'review') {
                   1791: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1792: 	} elsif ($status{'status'} eq 'ungraded') {
                   1793: 	    $result .= &mt('Ungraded');
                   1794: 	} elsif ($status{'status'} ne '') {
                   1795: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1796: 	} else {
                   1797: 	    $result.="&nbsp;";
                   1798: 	}
                   1799: 	if ($status{'version'}) {
                   1800: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1801: 	}
1.101     albertel 1802: 	if ($status{'grader'}) {
                   1803: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1804: 	}
1.49      albertel 1805: 	$result.= '</td><td>';
                   1806: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1807: 	    $result .= &mt('Awaiting Review');
                   1808: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1809: 	    $result .= &mt('Under Review');
1.58      albertel 1810: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1811: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1812: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1813: 	    $result .= &mt('Awaiting Grading');
                   1814: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1815: 	    $result .= &mt('Being Graded');
1.58      albertel 1816: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1817: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1818: 	} else {
                   1819: 	    $result.="&nbsp;";
                   1820: 	}
1.159     albertel 1821: 	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
1.49      albertel 1822:     }
1.159     albertel 1823:     $result.=&Apache::loncommon::end_data_table();
1.49      albertel 1824:     return $result;
                   1825: }
                   1826: 
                   1827: sub get_student_status {
1.86      albertel 1828:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1829: 
                   1830:     my %status;
                   1831: 
                   1832:     if ($type eq 'Task') {
                   1833: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1834: 					  $udom,$uname);
1.89      albertel 1835: 	$status{'status'}=$record{'resource.0.status'};
                   1836: 	$status{'version'}=$record{'resource.0.version'};
                   1837: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1838:     }
                   1839:     $status{'reviewqueue'}=
                   1840: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1841: 			     &encode_queue_key($symb,$udom,$uname));
                   1842:     $status{'gradingqueue'}=
                   1843: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1844: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1845:     return %status;
                   1846: }
                   1847: 
1.1       albertel 1848: sub start_ClosingParagraph {
                   1849:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1850:     my $result;
                   1851:     if ($target eq 'web') {
1.13      albertel 1852:     } elsif ($target eq 'webgrade') {
                   1853: 	&Apache::lonxml::startredirection();
1.1       albertel 1854:     }
                   1855:     return $result;
                   1856: }
                   1857: 
                   1858: sub end_ClosingParagraph {
                   1859:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1860:     my $result;
                   1861:     if ($target eq 'web') {
1.13      albertel 1862:     } elsif ($target eq 'webgrade') {
                   1863: 	&Apache::lonxml::endredirection();
1.1       albertel 1864:     }
                   1865:     return $result;
                   1866: }
                   1867: 
1.19      albertel 1868: sub get_id {
                   1869:     my ($parstack,$safeeval)=@_;
                   1870:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1871:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1872:     return $id;
                   1873: }
                   1874: 
1.1       albertel 1875: my %dimension;
1.162     albertel 1876: sub start_Setup {
                   1877:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1878:     undef(%dimension);
                   1879:     my $dim_id=&get_id($parstack,$safeeval);
                   1880:     $Apache::bridgetask::dimension=$dim_id;
                   1881:     undef(@Apache::bridgetask::instance);
                   1882:     &Apache::lonxml::startredirection();
                   1883:     return &internal_location($dim_id);
                   1884: }
1.151     albertel 1885: sub start_Question { return &start_Dimension(@_); }
1.1       albertel 1886: sub start_Dimension {
                   1887:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1888:     undef(%dimension);
1.19      albertel 1889:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1890:     $Apache::bridgetask::dimension=$dim_id;
                   1891:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1892:     undef(@Apache::bridgetask::instance);
1.20      albertel 1893:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1894: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1895:     &Apache::lonxml::startredirection();
                   1896:     return &internal_location($dim_id);
1.1       albertel 1897: }
                   1898: 
1.160     albertel 1899: sub start_QuestionText {
                   1900:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   1901:     my $dim_id=$Apache::bridgetask::dimension;
                   1902:     my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
                   1903:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
                   1904: 	$dimension{'questiontext'}=$text;
                   1905:     }
                   1906:     return '';
                   1907: }
                   1908: 
                   1909: sub end_QuestionText {
                   1910:     return '';
                   1911: }
                   1912: 
1.13      albertel 1913: sub get_instance {
1.75      albertel 1914:     my ($dim)=@_;
                   1915:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1916:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1917: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1918: 	$rand_alg eq '64bit4' ) {
                   1919: 	&Apache::response::pushrandomnumber();
                   1920: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1921: 	my $num=@order;
                   1922: 	my $version=&get_version();
                   1923: 	my $which=($version-1)%$num;
                   1924: 	return $order[$which];
                   1925:     } else {
                   1926: 	my ($version,$previous) = &get_version();
                   1927: 	my $instance = 
                   1928: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1929: 	if (defined($instance)) { return $instance; }
                   1930: 
                   1931: 	&Apache::response::pushrandomnumber();
                   1932: 	my @instances = @{$dimension{'instances'}};
                   1933: 	# remove disabled instances
                   1934: 	for (my $i=0; $i < $#instances; $i++) {
                   1935: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1936: 		splice(@instances,$i,1);
                   1937: 		$i--;
                   1938: 	    }
                   1939: 	}
                   1940: 	@instances = &Math::Random::random_permutation(@instances);
                   1941: 	$instance  = $instances[($version-1)%scalar(@instances)];
1.150     albertel 1942: 	if ($version =~ /^\d$/) {
                   1943: 	    $Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1944: 		$instance;
                   1945: 	    $Apache::lonhomework::results{'INTERNAL_store'} = 1; 
                   1946: 	}
1.75      albertel 1947: 	&Apache::response::poprandomnumber();
                   1948: 	return $instance;
                   1949:     }
1.13      albertel 1950: }
                   1951: 
1.18      albertel 1952: {
                   1953:     my $last_link;
1.122     albertel 1954:     sub link {
1.151     albertel 1955: 	my ($id) = @_;
                   1956: 	$id =~ s/\./_/g;
                   1957: 	return 'LC_GRADING_criteria_'.$id;
1.122     albertel 1958:     }
1.151     albertel 1959:     sub end_Question { return &end_Dimension(@_); }
1.18      albertel 1960:     sub end_Dimension {
                   1961: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1962: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1963: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1964: 	my $instance=&get_instance($dim);
1.25      albertel 1965: 	my $version=&get_version();
1.18      albertel 1966: 	if ($target eq 'web') {
1.47      albertel 1967: 	    @Apache::scripttag::parser_env = @_;
                   1968: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1969: 	    my @instances = $instance;
                   1970: 	    if (&Apache::response::showallfoils()) {
                   1971: 		@instances = @{$dimension{'instances'}};
                   1972: 	    }
1.160     albertel 1973: 	    my $shown_question_text;
1.76      albertel 1974: 	    foreach my $instance (@instances) {
                   1975: 		@Apache::scripttag::parser_env = @_;
                   1976: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.160     albertel 1977: 		@Apache::scripttag::parser_env = @_;
                   1978: 		$result.=&Apache::scripttag::xmlparse($dimension{'questiontext'});
1.89      albertel 1979: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1980: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1981: 
1.89      albertel 1982: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1983: 		    my $mandatory='Mandatory';
                   1984: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1985: 			$mandatory='Optional';
                   1986: 		    }
1.116     albertel 1987: 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
1.76      albertel 1988: 		    if ($dim_status eq 'pass') {
                   1989: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1990: 		    }
1.76      albertel 1991: 		    if ($dim_status eq 'fail') {
                   1992: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1993: 		    }
1.76      albertel 1994: 		    my $man_count=0;
                   1995: 		    my $man_passed=0;
                   1996: 		    my $opt_count=0;
                   1997: 		    my $opt_passed=0;
1.151     albertel 1998: 		    foreach my $id ( @{$dimension{$instance.'.criterias'}},
                   1999: 				     @{$dimension{'criterias'}} ) {
                   2000: 			if ($dimension{'criteria.'.$id.'.mandatory'} 
1.76      albertel 2001: 			    eq 'N') {
                   2002: 			    $opt_count++;
1.151     albertel 2003: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$id.status"} eq 'pass') {
1.76      albertel 2004: 				$opt_passed++;
                   2005: 			    }
                   2006: 			} else {
                   2007: 			    $man_count++;
1.89      albertel 2008: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 2009: 				$man_passed++;
                   2010: 			    }
                   2011: 			}
1.22      albertel 2012: 		    }
1.76      albertel 2013: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
1.151     albertel 2014: 
1.76      albertel 2015: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
1.151     albertel 2016: 		    if ($opt_req !~ /\S/) {
                   2017: 			$opt_req=
                   2018: 			    &Apache::lonxml::get_param('OptionalRequired',
                   2019: 						       $parstack,$safeeval);
                   2020: 			if ($opt_req !~ /\S/) { $opt_req = 0; }
                   2021: 		    }
1.76      albertel 2022: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   2023: 
                   2024: 		    my $internal_location=&internal_location($dim);
                   2025: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   2026: 
1.151     albertel 2027: 		    foreach my $id (@{$dimension{$instance.'.criterias'}},
                   2028: 				    @{$dimension{'criterias'}}) {
                   2029: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$id.status"};
                   2030: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"};
                   2031: 			my $mandatory=($dimension{'criteria.'.$id.'.mandatory'} ne 'N');
1.76      albertel 2032: 			if ($mandatory) {
                   2033: 			    $mandatory='Mandatory';
                   2034: 			} else {
                   2035: 			    $mandatory='Optional';
                   2036: 			}
                   2037: 			if ($status eq 'fail') {
                   2038: 			} elsif ($status eq 'pass') {
                   2039: 			} else {
                   2040: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   2041: 			}
                   2042: 			my $status_display=$status;
                   2043: 			$status_display=~s/^([a-z])/uc($1)/e;
1.116     albertel 2044: 			$result.=
                   2045: 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
                   2046: 			    .$mandatory.' Criteria</h4><p>';
1.76      albertel 2047: 			@Apache::scripttag::parser_env = @_;
1.151     albertel 2048: 			$result.=&Apache::scripttag::xmlparse($dimension{'criteria.'.$id});
1.116     albertel 2049: 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
1.151     albertel 2050: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"}) {
                   2051: 			    $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"}).'</p>';
1.76      albertel 2052: 			}
                   2053: 			$result.='</div>';
1.22      albertel 2054: 		    }
                   2055: 		}
                   2056: 	    }
1.18      albertel 2057: 	} elsif ($target eq 'webgrade') {
1.47      albertel 2058: 	    # in case of any side effects that we need
                   2059: 	    @Apache::scripttag::parser_env = @_;
                   2060: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   2061: 	    @Apache::scripttag::parser_env = @_;
                   2062: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.160     albertel 2063: 	    @Apache::scripttag::parser_env = @_;
                   2064: 	    &Apache::scripttag::xmlparse($dimension{'questiontext'});
1.151     albertel 2065: 	    foreach my $id (@{$dimension{$instance.'.criterias'}},
                   2066: 			    @{$dimension{'criterias'}} ) {
                   2067: 		my $link=&link($id);
                   2068: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$id.status"};
1.120     albertel 2069: 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
1.136     albertel 2070: 		    '<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
1.47      albertel 2071: 		@Apache::scripttag::parser_env = @_;
1.151     albertel 2072: 		$result.=&Apache::scripttag::xmlparse($dimension{'criteria.'.$id});
1.111     albertel 2073: 		$result.='</div>'."\n".
1.151     albertel 2074: 		    #$dimension{'criteria.'.$id}.
1.120     albertel 2075: 		    '<div class="LC_GRADING_grade">'."\n".
                   2076: 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
                   2077: 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
                   2078: 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
                   2079: 		    '<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 2080: 		    '</div>'."\n".
1.120     albertel 2081: 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
1.151     albertel 2082: 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"}).'</textarea>'."\n".
1.111     albertel 2083: 		    '</label>'."\n".
1.120     albertel 2084: 		    '<ul class="LC_GRADING_navbuttons">'."\n".
1.111     albertel 2085: 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
                   2086: 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
                   2087: 		    '</ul>'."\n".
                   2088:                     '</div>'."\n";
1.151     albertel 2089: 		$result.=&grading_history($version,$dim,$id);
1.18      albertel 2090: 		$last_link=$link;
                   2091: 	    }
1.22      albertel 2092: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 2093: 	    my $optional_passed=0;
1.20      albertel 2094: 	    my $mandatory_failed=0;
                   2095: 	    my $ungraded=0;
                   2096: 	    my $review=0;
1.153     albertel 2097: 
                   2098: 	    @Apache::scripttag::parser_env = @_;
                   2099: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.160     albertel 2100: 	    @Apache::scripttag::parser_env = @_;
                   2101: 	    $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
                   2102: 	    @Apache::scripttag::parser_env = @_;
                   2103: 	    &Apache::scripttag::xmlparse($dimension{'questiontext'});
                   2104: 
1.151     albertel 2105: 	    foreach my $id (@{$dimension{$instance.'.criterias'}},
                   2106: 			    @{$dimension{'criterias'}}) {
                   2107: 		my $link=&link($id);
                   2108: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
                   2109: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
                   2110: 		my $mandatory=($dimension{'criteria.'.$id.'.mandatory'} ne 'N');
1.20      albertel 2111: 		if ($status eq 'pass') {
                   2112: 		    if (!$mandatory) { $optional_passed++; }
                   2113: 		} elsif ($status eq 'fail') {
                   2114: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 2115: 		} elsif ($status eq 'review') {
                   2116: 		    $review++;
1.20      albertel 2117: 		} elsif ($status eq 'ungraded') {
                   2118: 		    $ungraded++;
1.21      albertel 2119: 		} else {
1.47      albertel 2120: 		    $ungraded++;
1.19      albertel 2121: 		}
                   2122: 	    }
1.151     albertel 2123: 	    # FIXME optional required can apply to only <instance> right now...
                   2124: 	    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   2125: 	    if ($opt_req !~ /\S/) {
                   2126: 		$opt_req=
                   2127: 		    &Apache::lonxml::get_param('OptionalRequired',
                   2128: 					       $parstack,$safeeval);
                   2129: 		if ($opt_req !~ /\S/) { $opt_req = 0; }
                   2130: 	    }
                   2131: 	    if ($optional_passed < $opt_req) {
1.20      albertel 2132: 		$mandatory_failed++;
                   2133: 	    }
1.21      albertel 2134: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 2135: 	    if ($review) {
1.89      albertel 2136: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 2137: 		    'review';
1.20      albertel 2138: 	    } elsif ($ungraded) {
1.89      albertel 2139: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 2140: 		    'ungraded';
1.20      albertel 2141: 	    } elsif ($mandatory_failed) {
1.89      albertel 2142: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 2143: 		    'fail';
1.20      albertel 2144: 	    } else {
1.91      albertel 2145: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 2146: 		    'pass';
1.20      albertel 2147: 	    }
1.69      albertel 2148: 	} else {
                   2149: 	    # any other targets no output
                   2150: 	    undef($result);
1.13      albertel 2151: 	}
1.18      albertel 2152: 	return $result;
1.1       albertel 2153:     }
1.162     albertel 2154: 
                   2155:     sub end_Setup {
                   2156: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   2157: 	my $result=&Apache::lonxml::endredirection();
                   2158: 	my $dim=&get_id($parstack,$safeeval);
                   2159: 	my $instance=&get_instance($dim);
                   2160: 	my $version=&get_version();
                   2161: 	if ($target eq 'web') {
                   2162: 	    @Apache::scripttag::parser_env = @_;
                   2163: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
                   2164: 	    my @instances = $instance;
                   2165: 	    if (&Apache::response::showallfoils()) {
                   2166: 		@instances = @{$dimension{'instances'}};
                   2167: 	    }
                   2168: 	    foreach my $instance (@instances) {
                   2169: 		@Apache::scripttag::parser_env = @_;
                   2170: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
                   2171: 		@Apache::scripttag::parser_env = @_;
                   2172: 		$result.=&Apache::scripttag::xmlparse($dimension{'questiontext'});
                   2173: 	    }
                   2174: 	} elsif ($target eq 'webgrade' 
                   2175: 		 || $target eq 'grade' && $env{'form.webgrade'}) {
                   2176: 	    # in case of any side effects that we need
                   2177: 	    @Apache::scripttag::parser_env = @_;
                   2178: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   2179: 	    @Apache::scripttag::parser_env = @_;
                   2180: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
                   2181: 	    @Apache::scripttag::parser_env = @_;
                   2182: 	    &Apache::scripttag::xmlparse($dimension{'questiontext'});
                   2183: 	} else {
                   2184: 	    # any other targets no output
                   2185: 	    undef($result);
                   2186: 	}
                   2187: 	return $result;
                   2188:     }
1.1       albertel 2189: }
                   2190: 
1.113     albertel 2191: sub grading_history {
1.151     albertel 2192:     my ($version,$dim,$id) = @_;
1.113     albertel 2193:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   2194: 	return '';
                   2195:     }
                   2196:     my ($result,$grader);
1.151     albertel 2197:     my $scope="resource.$version.0.$dim.$id";
1.113     albertel 2198:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   2199: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   2200: 	    my ($gname,$gdom) = 
1.138     albertel 2201: 		split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
1.113     albertel 2202: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   2203: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   2204: 							 $gname,$gdom);
                   2205: 	}
                   2206: 	my $entry;
                   2207: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   2208: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   2209: 	}
                   2210: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   2211: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   2212: 	}
                   2213: 	if ($entry) {
                   2214: 	    $result.= "<li>$grader : $entry </li>";
                   2215: 	}
                   2216:     }
                   2217:     if ($result) {
1.120     albertel 2218: 	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
1.113     albertel 2219:     }
                   2220:     return '';
                   2221: }
                   2222: 
1.1       albertel 2223: sub start_IntroParagraph {
1.87      albertel 2224:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 2225:     my $result;
1.153     albertel 2226:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.151     albertel 2227: 	if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
                   2228: 	    $dimension{'intro'}=
                   2229: 		&Apache::lonxml::get_all_text('/introparagraph',
                   2230: 					      $parser,$style);
                   2231:        	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2232: 	    &Apache::lonxml::startredirection();
1.1       albertel 2233: 	}
1.47      albertel 2234: 	
1.1       albertel 2235:     }
                   2236:     return $result;
                   2237: }
                   2238: 
                   2239: sub end_IntroParagraph {
1.127     albertel 2240:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 2241:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 2242: 	my $result = &Apache::lonxml::endredirection();
                   2243:     }
1.1       albertel 2244: }
                   2245: 
                   2246: sub start_Instance {
                   2247:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 2248:     my $id=&get_id($parstack,$safeeval);
                   2249:     push(@{$dimension{'instances'}},$id);
                   2250:     push(@Apache::bridgetask::instance,$id);
                   2251:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 2252:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 2253: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 2254:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   2255:     if (lc($disabled) eq 'yes') {
                   2256: 	$dimension{$id.'.disabled'}='1';
                   2257:     }
1.1       albertel 2258:     return '';
                   2259: }
                   2260: 
                   2261: sub end_Instance {
                   2262: }
                   2263: 
                   2264: sub start_InstanceText {
1.87      albertel 2265:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 2266:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 2267:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.153     albertel 2268:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.47      albertel 2269: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 2270:     }
                   2271:     return '';
                   2272: }
                   2273: 
                   2274: sub end_InstanceText {
                   2275:     return '';
                   2276: }
                   2277: 
                   2278: sub start_Criteria {
1.87      albertel 2279:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   2280:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 2281:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 2282: 	my $id=&get_id($parstack,$safeeval);
1.151     albertel 2283: 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
                   2284: 	    my $instance_id=$Apache::bridgetask::instance[-1];
                   2285: 	    $dimension{"criteria.$instance_id.$id"}=$criteria;
                   2286: 	    $dimension{"criteria.$instance_id.$id.mandatory"}=
                   2287: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2288: 	    push(@{$dimension{$instance_id.'.criterias'}},"$instance_id.$id");
                   2289: 	} else {
                   2290: 	    $dimension{'criteria.'.$id}=$criteria;
                   2291: 	    $dimension{'criteria.'.$id.'.mandatory'}=
                   2292: 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
                   2293: 	    push(@{$dimension{'criterias'}},$id);
                   2294: 	}
1.1       albertel 2295:     }
                   2296:     return '';
                   2297: }
                   2298: 
1.47      albertel 2299: sub end_Criteria {
                   2300: }
                   2301: 
1.4       albertel 2302: sub proctor_validation_screen {
                   2303:     my ($slot) = @_;
                   2304:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 2305:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 2306:     my $name=&Apache::loncommon::plainname($user,$domain);
                   2307:     
1.4       albertel 2308:     my $msg;
1.11      albertel 2309:     if ($env{'form.proctorpassword'}) {
1.4       albertel 2310: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   2311: 	    .'</font></p>';
                   2312:     }
1.47      albertel 2313:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 2314:     my $result= (<<ENDCHECKOUT);
                   2315: <h2>Proctor Validation</h2>
                   2316:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   2317:     $msg
1.115     albertel 2318: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 2319: <input type="hidden" name="validate" value="yes" />
                   2320: <input type="hidden" name="submitted" value="yes" />
                   2321: <table>
1.44      albertel 2322:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 2323:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 2324:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 2325: </table>
                   2326: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 2327: <table border="1">
                   2328:   <tr><td>
                   2329:     <table>
                   2330:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   2331:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 2332:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.138     albertel 2333:       <tr><td>Usename</td><td>$user:$domain</td></tr>
1.44      albertel 2334:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   2335:     </table>
                   2336:   </tr></td>
                   2337: </table>
1.4       albertel 2338: </form>
                   2339: ENDCHECKOUT
                   2340:     return $result;
                   2341: }
                   2342: 
1.1       albertel 2343: 1;
                   2344: __END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>