Annotation of loncom/homework/rankresponse.pm, revision 1.68

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # rank style response
                      3: #
1.68    ! raeburn     4: # $Id: rankresponse.pm,v 1.67 2011/09/16 22:23:54 raeburn Exp $
1.1       albertel    5: # Copyright Michigan State University Board of Trustees
                      6: #
                      7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      8: #
                      9: # LON-CAPA is free software; you can redistribute it and/or modify
                     10: # it under the terms of the GNU General Public License as published by
                     11: # the Free Software Foundation; either version 2 of the License, or
                     12: # (at your option) any later version.
                     13: #
                     14: # LON-CAPA is distributed in the hope that it will be useful,
                     15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     17: # GNU General Public License for more details.
                     18: #
                     19: # You should have received a copy of the GNU General Public License
                     20: # along with LON-CAPA; if not, write to the Free Software
                     21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     22: #
                     23: # /home/httpd/html/adm/gpl.txt
                     24: #
                     25: # http://www.lon-capa.org/
                     26: #
                     27: 
                     28: package Apache::rankresponse;
                     29: use strict;
                     30: use HTML::Entities();
1.30      albertel   31: use Apache::optionresponse();
                     32: use Apache::lonlocal;
1.58      onken      33: use Apache::lonxml;
                     34: use Apache::lonnet;
1.1       albertel   35: 
                     36: BEGIN {
                     37:     &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
                     38: }
                     39: 
                     40: sub start_rankresponse {
                     41:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     42:     my $result;
                     43:     #when in a rank response use these
                     44:     &Apache::lonxml::register('Apache::rankresponse',
                     45: 			      ('foilgroup','foil','conceptgroup'));
                     46:     push (@Apache::lonxml::namespace,'rankresponse');
                     47:     my $id = &Apache::response::start_response($parstack,$safeeval);
                     48:     %Apache::hint::rank=();
1.30      albertel   49:     undef(%Apache::response::foilnames);
1.1       albertel   50:     if ($target eq 'meta') {
                     51: 	$result=&Apache::response::meta_package_write('rankresponse');
                     52:     } elsif ($target eq 'edit' ) {
1.59      bisitz     53: 	$result.=&Apache::edit::start_table($token)
                     54:            .'<tr><td>'.&Apache::lonxml::description($token).'</td>'
1.61      bisitz     55:            .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.59      bisitz     56:            .&Apache::edit::deletelist($target,$token)
                     57:            .'</span></td>'
1.60      raeburn    58:            .'<td>&nbsp;'.&Apache::edit::end_row()
1.59      bisitz     59:            .&Apache::edit::start_spanning_row();
1.1       albertel   60: 	
                     61: 	$result.=
                     62: 	    &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
1.59      bisitz     63: 	    &Apache::edit::select_arg('Randomize Foil Order:','randomize',
1.1       albertel   64: 				      ['yes','no'],$token).
                     65: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
                     66:     } elsif ($target eq 'modified') {
                     67: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                     68: 						     $safeeval,'max',
                     69: 						     'randomize');
                     70: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.25      albertel   71:     } elsif ($target eq 'analyze') {
                     72: 	my $part_id="$Apache::inputtags::part.$id";
1.56      raeburn    73:         $Apache::lonhomework::analyze{"$part_id.type"} = 'rankresponse';
1.25      albertel   74: 	push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.53      foxr       75: 	push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
                     76: 
1.1       albertel   77:     }
                     78:     return $result;
                     79: }
                     80: 
                     81: sub end_rankresponse {
                     82:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     83:     my $result;
                     84:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
                     85:     &Apache::response::end_response;
                     86:     pop @Apache::lonxml::namespace;
                     87:     &Apache::lonxml::deregister('Apache::rankresponse',
                     88: 				('foilgroup','foil','conceptgroup'));
1.30      albertel   89:     undef(%Apache::response::foilnames);
1.1       albertel   90:     return $result;
                     91: }
                     92: 
                     93: %Apache::response::foilgroup=();
                     94: sub start_foilgroup {
                     95:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     96:     my $result;
                     97:     %Apache::response::foilgroup=();
                     98:     $Apache::rankresponse::conceptgroup=0;
1.64      raeburn    99:     &Apache::response::pushrandomnumber(undef,$target);
1.1       albertel  100:     return $result;
                    101: }
                    102: 
                    103: sub end_foilgroup {
                    104:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    105:     my $result;
1.26      albertel  106:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
                    107: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  108: 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                    109: 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    110: 						   $safeeval,'-2');
                    111: 	my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
                    112: 	if (!defined($tol)) { $tol=0; }
1.3       sakharuk  113: 	if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  114: 	    $result=&displayfoils($target,$max,$randomize,$tol);
1.50      albertel  115: 	    $Apache::lonxml::post_evaluate=0;
1.1       albertel  116: 	} elsif ($target eq 'answer' ) {
                    117: 	    $result=&displayanswers($max,$randomize,$tol);
                    118: 	} elsif ( $target eq 'grade') {
                    119: 	    &grade_response($max,$randomize,$tol);
1.25      albertel  120: 	} elsif ( $target eq 'analyze') {
                    121: 	    my @shown = &whichfoils($max,$randomize);
                    122: 	    &Apache::response::analyze_store_foilgroup(\@shown,
1.26      albertel  123: 						  ['text','value','location']);
1.41      albertel  124: 	    my $part_id=
                    125: 		"$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    126: 	    $Apache::lonhomework::analyze{"$part_id.tol"}=$tol;
1.1       albertel  127: 	}
1.55      foxr      128: 	my $part = $Apache::inputtags::part;
                    129: 	my $id   = $Apache::inputtags::response[-1];
1.66      raeburn   130:         my ($numrows,$bubbles_per_row);
                    131:         if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
                    132:             my (@whichfoils)=&whichfoils($max,$randomize);
                    133:             ($numrows,$bubbles_per_row) =
                    134:                 &Apache::optionresponse::getnumrows(scalar(@whichfoils));
                    135:         }
                    136:         if ($numrows < 1) {
                    137:             $numrows = 1;
                    138:         }
                    139:         my $increment = &getfoilcounts($max) * $numrows;
                    140: 	&Apache::lonxml::increment_counter($increment,"$part.$id");
1.54      foxr      141: 	if ($target eq 'analyze') {
                    142: 	    &Apache::lonhomework::set_bubble_lines();
                    143: 	}
1.14      albertel  144:     } elsif ($target eq 'edit') {
                    145: 	$result=&Apache::edit::end_table();
1.1       albertel  146:     }
1.34      albertel  147:     &Apache::response::poprandomnumber();
1.1       albertel  148:     return $result;
                    149: }
                    150: 
                    151: sub get_correct_order {
                    152:     my ($tol,@foils) =@_;
                    153:     my @correctorder;
                    154:     my @value_names;
                    155:     foreach my $name (@foils) {
                    156: 	my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
                    157: 	push(@value_names,\@pair);
                    158:     }
                    159:     @value_names =
                    160: 	sort {
1.17      albertel  161: 	    if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
1.1       albertel  162: 	    return 0;
                    163: 	} @value_names;
                    164:     my @value_names_tmp=@value_names;
                    165:     my $firstpair=shift(@value_names_tmp);
                    166:     my $order=1;
                    167:     my %order;
                    168:     my $count=1;
                    169:     my $lastvalue=$firstpair->[0];
                    170:     $order{$firstpair->[1]}=$order;
                    171:     foreach my $pair (@value_names_tmp) {
                    172: 	$count++;
                    173: 	if (abs($pair->[0]-$lastvalue) > $tol ) {
                    174: 	    $order=$count;
                    175: 	}
                    176: 	$order{$pair->[1]}=$order;
                    177: 	$lastvalue=$pair->[0];
                    178:     }
                    179:     foreach my $name (@foils) {
                    180: 	push(@correctorder,$order{$name});
                    181:     }
                    182:     &Apache::lonhomework::showhash('b' => \@value_names);
                    183:     &Apache::lonhomework::showhash('b' => \@correctorder);
                    184:     return @correctorder;
                    185: }
                    186: 
                    187: sub displayanswers {
                    188:     my ($max,$randomize,$tol,@opt)=@_;
1.68    ! raeburn   189:     my @names;
        !           190:     if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
        !           191:         @names = @{ $Apache::response::foilgroup{'names'} };
        !           192:     }
        !           193:     return if (!@names);
1.1       albertel  194:     my @whichfoils = &whichfoils($max,$randomize);
                    195:     my @correctorder=&get_correct_order($tol,@whichfoils);
1.49      albertel  196:     my $result;
                    197:     if ($Apache::lonhomework::type eq 'exam') {
                    198: 	my @alphabet = ('A'..'Z');
                    199: 	my $i=0;
                    200: 	foreach my $order (@correctorder) {
                    201: 	    $result.=&Apache::response::answer_header('rankresponse',$i++);
                    202: 	    $result.=&Apache::response::answer_part('rankresponse',
                    203: 						    $alphabet[$order-1]);
                    204: 	    $result.=&Apache::response::answer_part('rankresponse',$order);
                    205: 	    $result.=&Apache::response::answer_footer('rankresponse');
                    206: 	}
                    207:     } else {
                    208: 	$result=&Apache::response::answer_header('rankresponse');
                    209: 	foreach my $order (@correctorder) {
                    210: 	    $result.=&Apache::response::answer_part('rankresponse',$order);
                    211: 	}
                    212: 	$result.=&Apache::response::answer_footer('rankresponse');
1.1       albertel  213:     }
                    214:     return $result;
                    215: }
                    216: 
                    217: sub check_response_order {
                    218:     my (%responsehash)=@_;
1.45      albertel  219:     my @order=sort( {$a <=> $b} values(%responsehash));
1.1       albertel  220:     my $lastvalue=0;
                    221:     my $expected=1;
                    222:     my $malformed=0;
                    223:     foreach my $current (@order) {
                    224: 	&Apache::lonxml::debug("$lastvalue $expected $malformed");
                    225: 	if (!($current == $lastvalue || $current == $expected)) {
                    226: 	    $malformed=1;
                    227: 	}
                    228: 	$expected++;
                    229: 	$lastvalue=$current;
                    230:     }
                    231:     return $malformed;
                    232: }
                    233: 
                    234: sub grade_response {
                    235:     my ($max,$randomize,$tol)=@_;
                    236:     my (@whichfoils)=&whichfoils($max,$randomize);
1.44      albertel  237:     if (!&Apache::response::submitted()) { return; }
1.1       albertel  238:     my %responsehash;
                    239:     my %grade;
1.28      albertel  240:     my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
1.1       albertel  241:     my @correctorder=&get_correct_order($tol,@whichfoils);
1.66      raeburn   242:     my ($numrows,$bubbles_per_row);
                    243:     if ($Apache::lonhomework::scantronmode) {
                    244:         my $numitems = scalar(@whichfoils);
                    245:         ($numrows,$bubbles_per_row) =
                    246:             &Apache::optionresponse::getnumrows($numitems);
                    247:     }
                    248:     if ($numrows < 1) {
                    249:         $numrows = 1;
                    250:     }
                    251: 
1.1       albertel  252:     foreach my $name (@whichfoils) {
1.66      raeburn   253:         my $response;
                    254:         if ($numrows > 1) {
                    255:             my $num = $temp;
                    256:             my $totalnum;
                    257:             for (my $i=0; $i<$numrows; $i++) {
                    258:                 my $item = &Apache::response::getresponse($num,'A is 1');
                    259:                 if ($item =~ /^\d+$/) {
                    260:                     $totalnum = $i*$bubbles_per_row + $item;
                    261:                 }
                    262:                 $num ++;
                    263:             }
                    264:             $response = $totalnum;
                    265:             $temp += $numrows;
                    266:         } else {
                    267:             $response = &Apache::response::getresponse($temp,'A is 1');
                    268:             $temp ++;
                    269:         }
1.1       albertel  270: 	my $value=shift(@correctorder);
                    271: 	if ( $response =~ /[^\s]/) {
1.27      albertel  272: 	    $responsehash{$name}=$response;
1.1       albertel  273: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
                    274: 	    if ($value eq $response) {
                    275: 		$grade{$name}='1'; $right++;
                    276: 	    } else {
                    277: 		$grade{$name}='0'; $wrong++;
                    278: 	    }
                    279: 	} else {
                    280: 	    $ignored++;
                    281: 	}
                    282:     }
                    283:     my $malformed=&check_response_order(%responsehash);
                    284:     my $part=$Apache::inputtags::part;
                    285:     my $id = $Apache::inputtags::response['-1'];
                    286:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    287:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
                    288:     my %previous=&Apache::response::check_for_previous($responsestr,
                    289: 						       $part,$id);
                    290:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
                    291:     my $ad;
                    292:     if ($malformed) {
                    293: 	$ad='MISORDERED_RANK';
                    294:     } elsif ($wrong==0 && $ignored==0) {
                    295: 	$ad='EXACT_ANS';
                    296:     } elsif ($wrong==0 && $right==0) {
                    297: 	#nothing submitted
                    298:     } else {
                    299: 	if ($ignored==0) {
                    300: 	    $ad='INCORRECT';
                    301: 	} else {
                    302: 	    $ad='MISSING_ANSWER';
                    303: 	}
                    304:     }
1.62      raeburn   305:     if (($ad eq 'INCORRECT' || $ad eq 'EXACT_ANS')) {
                    306:         if ($Apache::lonhomework::type eq 'survey') {
                    307:             $ad='SUBMITTED';
                    308:         } elsif ($Apache::lonhomework::type eq 'surveycred') {
                    309: 	    $ad='SUBMITTED_CREDIT';
                    310:         } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
                    311:             $ad='ANONYMOUS';
                    312:         } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
                    313:             $ad='ANONYMOUS_CREDIT';
                    314:         } else {
                    315:             $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    316:         }
1.40      albertel  317:     } else {
                    318: 	$Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    319:     }
1.64      raeburn   320:     if ($Apache::lonhomework::type eq 'randomizetry') {
                    321:         if ($Apache::lonhomework::type eq 'randomizetry') {
                    322:             $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichfoils);
                    323:         }
                    324:     }
1.1       albertel  325:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    326: 	$responsestr;
                    327:     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    328:     &Apache::response::handle_previous(\%previous,$ad);
                    329: }
                    330: 
1.52      albertel  331: sub format_prior_answer {
                    332:     my ($mode,$answer,$other_data) = @_;
                    333:     my %lastresponse=&Apache::lonnet::str2hash($answer);
                    334:     my $foil_order  =$other_data->[0];
                    335:     my %grading     =&Apache::lonnet::str2hash($other_data->[1]);
                    336:     my $output;
                    337:     foreach my $name (@{ $foil_order }) {
                    338: 	next if (!defined($lastresponse{$name}));
                    339: 	$output .= '<tr><td>'.$lastresponse{$name}.'</td></tr>';
                    340:     }
                    341:     return if (!defined($output));
                    342:     $output =
                    343: 	'<table class="LC_prior_rank">'.$output.'</table>';
                    344:     return $output;
                    345: }
                    346: 
1.1       albertel  347: sub displayfoils {
                    348:     my ($target,$max,$randomize,$tol)=@_;
                    349:     my $result;
1.4       sakharuk  350:     my @alphabet=('A'..'Z');
1.1       albertel  351:     my (@whichfoils)=&whichfoils($max,$randomize);
                    352:     my $part=$Apache::inputtags::part;
                    353:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    354:     my @whichopt=(1..($#whichfoils+1));
                    355:     my @correctorder=&get_correct_order($tol,@whichfoils);
1.20      sakharuk  356:     if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1       albertel  357: 	foreach my $name (@whichfoils) {
                    358: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
                    359: 	    my $value=shift(@correctorder);
1.46      albertel  360: 	    if ($target eq 'web') {
                    361: 		$result.='<br /><b>'.$value.':</b> '.$text;
                    362: 	    } else {
                    363: 		$result.=' \strut\\\\\strut '.$value.':'.$text;
                    364: 	    }
1.1       albertel  365: 	}
                    366:     } else {
                    367: 	my $i = 0;
1.29      albertel  368: 	my $temp=1;
1.1       albertel  369: 	my $id=$Apache::inputtags::response[-1];
                    370: 	my $part=$Apache::inputtags::part;
1.64      raeburn   371:         my ($lastresponse,$newvariation);
                    372:         if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
                    373:              ($Apache::lonhomework::type eq 'randomizetry')) &&
                    374:         ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
                    375:             if ($env{'form.'.$part.'.rndseed'} ne
                    376:                 $Apache::lonhomework::history{"resource.$part.rndseed"}) {
                    377:                 $newvariation = 1;
                    378:             }
                    379:         }
                    380:         unless (((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) || $newvariation) {
1.62      raeburn   381:             $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
                    382:         }
1.5       sakharuk  383: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 
                    384: 	my @alp = splice @alphabet, 0, $#whichopt + 1;
1.15      sakharuk  385: 	my $internal_counter=$Apache::lonxml::counter;
1.66      raeburn   386:         my ($numrows,$bubbles_per_row);
                    387:         if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
                    388:             ($numrows,$bubbles_per_row) = 
                    389:                 &Apache::optionresponse::getnumrows(scalar(@alp));
                    390:         } else {
                    391:             $numrows = 1;
                    392:         }
1.58      onken     393:         if($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                    394:             $result .= '\strut \\\\ \strut \\\\' ;
                    395:         }
                    396:         foreach my $name (@whichfoils) {
1.1       albertel  397: 	    my $lastopt=$lastresponse{$name};
1.3       sakharuk  398: 	    my $optionlist='';
1.58      onken     399: 	    if ($target ne 'tex') {
                    400:                 $optionlist = "<option></option>\n";
                    401:             } 
                    402:             if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                    403:                 my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&rankresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
                    404:                 $optionlist =  &Apache::lonxml::print_pdf_start_combobox($fieldname);
                    405:             }
1.1       albertel  406: 	    my $option;
                    407: 	    foreach $option (@whichopt) {
                    408: 		if ($option eq $lastopt) {
1.58      onken     409: 		    if ($target ne 'tex' ) {
1.64      raeburn   410:                         $optionlist.="<option selected=\"selected\">$option</option>\n";
1.58      onken     411:                     } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                    412:                         $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 
                    413:                     }
1.1       albertel  414: 		} else {
1.58      onken     415: 		    if ($target ne 'tex') {
                    416:                         $optionlist.="<option>$option</option>\n";
                    417:                     } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                    418:                         $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 
                    419:                     }
                    420: 		} 
1.1       albertel  421: 	    }
1.12      sakharuk  422: 	    if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.51      albertel  423: 		$optionlist='<select onchange="javascript:setSubmittedPart(\''.
                    424: 		  $part.'\');" name="HWVAL_'.
1.3       sakharuk  425: 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
                    426: 		        $optionlist."</select>\n";
1.58      onken     427: 	    } elsif ($env{'form.pdfFormFields'} eq 'yes') {
                    428:                 #do nothing
                    429:             } else {
1.3       sakharuk  430: 		$optionlist=' '.$temp.' '.$optionlist.' ';
                    431: 	    }
1.1       albertel  432: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
1.3       sakharuk  433: 	    if ($target ne 'tex') {
1.12      sakharuk  434: 		if ($Apache::lonhomework::type ne 'exam') {
                    435: 		    $result.='<br />'.$optionlist.$text."\n";
                    436: 		} else {
                    437: 		    $result.='<br />'.$text."\n";
                    438: 		}
1.4       sakharuk  439: 		if ($Apache::lonhomework::type eq 'exam') {
1.22      albertel  440: 		    my @values=(1..scalar(@whichopt));
                    441: 		    $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
1.4       sakharuk  442: 		}
                    443: 	    } else {
                    444: 		if ($Apache::lonhomework::type eq 'exam') {
1.66      raeburn   445:                     my $itemlabel;
                    446:                     if ($numrows == 1) {
                    447:                         $itemlabel = '\item[\textbf{'.$internal_counter.'}]';
                    448:                     } else {
                    449:                         my $linetext;
                    450:                         for (my $i=0; $i<$numrows; $i++) {
                    451:                             $linetext .= $internal_counter+$i.', ';
                    452:                         }
                    453:                         $linetext =~ s/,\s$//;
                    454:                         $itemlabel = '\item[\small {\textbf{'.$linetext.'}}]'.
                    455:                                      ' {\footnotesize '.
                    456:                                      &mt('(Bubble once in [_1] lines)',$numrows).
                    457:                                      '} \hspace*{\fill} \\\\';
                    458:                     }
1.63      foxr      459: 		    $result .= '\vskip 0 mm '.$text.' \vskip 0 mm '."\n";
                    460: 		    $result .= '\vskip -1 mm';
1.66      raeburn   461:                     $result .= '\begin{enumerate}'.$itemlabel;
                    462: 		    $result .= &Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse',undef,$numrows,$bubbles_per_row,$internal_counter);
                    463:                     $result .= '\end{enumerate} \vskip -8 mm \strut ';
                    464: 		    $internal_counter += $numrows;
1.4       sakharuk  465: 		} else {
1.58      onken     466:                     if($env{'form.pdfFormFields'} ne 'yes') {
                    467: 		        $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
                    468:                     } else {
                    469:                         $result.= $optionlist.' '. &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
                    470:                     }
1.4       sakharuk  471: 		}
                    472: 	    }
1.1       albertel  473: 	    $temp++;
                    474: 	}
                    475:     }
1.52      albertel  476:     if ($target eq 'web') {
1.64      raeburn   477:         my $questiontype;
                    478:         if ($Apache::lonhomework::type eq 'randomizetry') {
                    479:             $questiontype = $Apache::lonhomework::type;
                    480:         }
1.52      albertel  481: 	&Apache::response::setup_prior_tries_hash(\&format_prior_answer,
                    482: 						  [\@whichfoils,
1.64      raeburn   483: 						   'submissiongrading'],
                    484:                                                   $questiontype);
1.52      albertel  485:     }
1.5       sakharuk  486:     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
1.1       albertel  487:     return $result;
                    488: }
                    489: 
                    490: sub getfoilcounts {
                    491:     my ($max)=@_;
                    492:     # +1 since instructors will count from 1
                    493:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
                    494:     if (&Apache::response::showallfoils()) { $max=$count; }
                    495:     if ($count>$max) { $count=$max } 
                    496:     &Apache::lonxml::debug("Count is $count from $max");
                    497:     return $count;
                    498: }
                    499: 
                    500: sub whichfoils {
                    501:     my ($max,$randomize)=@_;
1.13      albertel  502:     return &Apache::response::whichorder($max,$randomize,
                    503: 					 &Apache::response::showallfoils(),
                    504: 					 \%Apache::response::foilgroup);
1.1       albertel  505: }
                    506: 
                    507: sub start_conceptgroup {
                    508:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    509:     $Apache::rankresponse::conceptgroup=1;
                    510:     %Apache::response::conceptgroup=();
                    511:     my $result;
                    512:     if ($target eq 'edit') {
                    513: 	$result.=&Apache::edit::tag_start($target,$token,
                    514: 					  "Concept Grouped Foils");
                    515: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    516: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    517:     }
                    518:     if ($target eq 'modified') {
                    519: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    520: 						     $safeeval,'concept');
                    521: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    522:     }
                    523:     return $result;
                    524: }
                    525: 
                    526: sub end_conceptgroup {
                    527:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    528:     $Apache::rankresponse::conceptgroup=0;
                    529:     my $result='';
1.25      albertel  530:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    531: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  532: 	#if not there aren't any foils to display and thus no question
1.25      albertel  533: 	&Apache::response::pick_foil_for_concept($target,
                    534: 						 ['value','text','location'],
                    535: 						 \%Apache::hint::rank,
                    536: 						 $parstack,$safeeval);
1.1       albertel  537:     } elsif ($target eq 'edit') {
                    538: 	$result=&Apache::edit::end_table();
                    539:     }
                    540:     return $result;
                    541: }
                    542: 
                    543: sub insert_conceptgroup {
                    544:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    545:     return $result;
                    546: }
                    547: 
                    548: sub start_foil {
                    549:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    550:     my $result='';
1.25      albertel  551:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  552: 	&Apache::lonxml::startredirection;
1.39      albertel  553: 	if ($target eq 'analyze') {
                    554: 	    &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
                    555: 	}
1.1       albertel  556:     } elsif ($target eq 'edit') {
                    557: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
                    558: 	my $level='-2';
                    559: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
                    560: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    561: 	$result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
                    562: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    563: 						 $safeeval,'-3');
                    564: 	if ($randomize ne 'no') {
                    565: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    566: 					     ['random','top','bottom'],$token);
                    567: 	}
                    568: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    569:     } elsif ($target eq 'modified') {
                    570: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    571: 						     $safeeval,'value',
                    572: 						     'name','location');
                    573: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    574:     }
                    575:     return $result;
                    576: }
                    577: 
                    578: sub end_foil {
                    579:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    580:     my $text ='';
                    581:     my $result = '';
1.25      albertel  582:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  583: 	$text=&Apache::lonxml::endredirection;
                    584:     }
1.25      albertel  585:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    586: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  587: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.42      albertel  588: 	if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
                    589: 	    $text='\vskip 5mm $\triangleright$ '.$text;
                    590: 	}
1.1       albertel  591: 	if ($value ne 'unused') {
                    592: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    593: 	    &Apache::lonxml::debug("Got a name of :$name:");
1.48      albertel  594: 	    if ($name eq "") {
1.57      bisitz    595: 		&Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.43      albertel  596: 		$name=$Apache::lonxml::curdepth;
                    597: 	    }
1.1       albertel  598: 	    &Apache::lonxml::debug("Using a name of :$name:");
1.30      albertel  599: 	    if (defined($Apache::response::foilnames{$name})) {
1.57      bisitz    600: 		&Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
1.30      albertel  601: 	    }
1.31      albertel  602: 	    $Apache::response::foilnames{$name}++;
1.30      albertel  603: 	    my $location =&Apache::lonxml::get_param('location',$parstack,
                    604: 						     $safeeval);
1.1       albertel  605: 	    if ( $Apache::rankresponse::conceptgroup
                    606: 		 && !&Apache::response::showallfoils() ) {
                    607: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    608: 		$Apache::response::conceptgroup{"$name.value"} = $value;
1.42      albertel  609: 		$Apache::response::conceptgroup{"$name.text"} = $text;
1.1       albertel  610: 		$Apache::response::conceptgroup{"$name.location"} = $location;
                    611: 	    } else {
                    612: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
                    613: 		$Apache::response::foilgroup{"$name.value"} = $value;
1.42      albertel  614: 		$Apache::response::foilgroup{"$name.text"} = $text;
1.1       albertel  615: 		$Apache::response::foilgroup{"$name.location"} = $location;
                    616: 	    }
                    617: 	}
                    618:     }
                    619:     if ($target eq 'edit') {
                    620: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    621:     }
                    622:     return $result;
                    623: }
                    624: 
                    625: sub insert_foil {
                    626:     return '
                    627: <foil name="" value="unused">
                    628: <startouttext />
                    629: <endouttext />
                    630: </foil>';
                    631: }
                    632: 1;
                    633: __END__

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