Annotation of loncom/homework/matchresponse.pm, revision 1.48

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # Full matching style response
                      3: #
1.48    ! albertel    4: # $Id: matchresponse.pm,v 1.47 2004/10/21 06:35:57 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: package Apache::matchresponse;
                     30: use strict;
                     31: use HTML::Entities();
                     32: use Math::Random();
1.37      albertel   33: use Apache::optionresponse();
                     34: use Apache::lonlocal;
1.6       sakharuk   35: 
1.1       albertel   36: BEGIN {
                     37:     &Apache::lonxml::register('Apache::matchresponse',('matchresponse'));
                     38: }
                     39: 
                     40: sub start_matchresponse {
                     41:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     42:     my $result;
                     43:     #when in a matchresponse use these
                     44:     &Apache::lonxml::register('Apache::matchresponse',
                     45: 			      ('foilgroup','foil','conceptgroup','item',
                     46: 			       'itemgroup'));
                     47:     push (@Apache::lonxml::namespace,'matchresponse');
                     48:     my $id = &Apache::response::start_response($parstack,$safeeval);
                     49:     %Apache::hint::match=();
1.37      albertel   50:     undef(%Apache::response::foilnames);
1.1       albertel   51:     if ($target eq 'meta') {
                     52: 	$result=&Apache::response::meta_package_write('matchresponse');
                     53:     } elsif ($target eq 'edit' ) {
                     54: 	$result.=&Apache::edit::start_table($token).
                     55: 	    '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
                     56: 	    &Apache::edit::deletelist($target,$token)
                     57: 	    ."</td><td>&nbsp".&Apache::edit::end_row()
                     58: 	    .&Apache::edit::start_spanning_row();
                     59: 	
                     60: 	$result.=
                     61: 	    &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
                     62: 	    &Apache::edit::select_arg('Randomize Foil Order','randomize',
                     63: 				      ['yes','no'],$token).
                     64: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
                     65:     } elsif ($target eq 'modified') {
                     66: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                     67: 						     $safeeval,'max',
                     68: 						     'randomize');
                     69: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.28      albertel   70:     } elsif ($target eq 'analyze') {
                     71: 	my $part_id="$Apache::inputtags::part.$id";
                     72: 	push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.1       albertel   73:     }
                     74:     return $result;
                     75: }
                     76: 
                     77: sub end_matchresponse {
                     78:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     79:     my $result;
                     80:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
                     81:     &Apache::response::end_response;
                     82:     pop @Apache::lonxml::namespace;
                     83:     &Apache::lonxml::deregister('Apache::matchresponse',
                     84: 				('foilgroup','foil','conceptgroup'));
1.37      albertel   85:     undef(%Apache::response::foilnames);
1.1       albertel   86:     return $result;
                     87: }
                     88: 
                     89: %Apache::response::itemgroup=();
                     90: sub start_itemgroup {
                     91:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     92:     my $result;
                     93:     %Apache::response::itemgroup=();
1.4       albertel   94:     %Apache::matchresponse::itemtable=();
1.15      albertel   95: 
1.1       albertel   96:     if ($target eq 'edit') {
                     97: 	$result=&Apache::edit::tag_start($target,$token);
                     98: 	$result.=&Apache::edit::select_arg('Randomize Order:','randomize',
                     99: 					   ['yes','no'],$token);
1.4       albertel  100: 	$result.=&Apache::edit::select_arg('Items Display Location:',
                    101: 					   'location',
                    102: 					   ['top','bottom','left','right'],
                    103: 					   $token);
1.1       albertel  104: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.4       albertel  105:     } elsif ($target eq 'modified') {
                    106: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    107: 						     $safeeval,'randomize',
                    108: 						     'location');
                    109: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.21      sakharuk  110:     } elsif ($target eq 'web' or $target eq 'tex') {
1.4       albertel  111: 	$Apache::matchresponse::itemtable{'location'}=
                    112: 	    &Apache::lonxml::get_param('location',$parstack,$safeeval);
1.43      sakharuk  113: 	$Apache::matchresponse::TeXitemgroupwidth=&Apache::lonxml::get_param('TeXitemgroupwidth',$parstack,$safeeval,undef,0);
1.1       albertel  114:     }
                    115:     return $result;
                    116: }
                    117: 
                    118: sub end_itemgroup {
                    119:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    120:     my $result;
                    121: 
1.17      albertel  122:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.1       albertel  123:     if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
                    124:     my @names=@{ $Apache::response::itemgroup{'names'} };
                    125:     my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
1.2       albertel  126:     if ($randomize ne 'no' ) {
1.18      albertel  127: 	@names=&Apache::response::whichorder($#names+1,$randomize,0,
                    128: 					 \%Apache::response::itemgroup);
1.1       albertel  129:     }
1.30      albertel  130:     if ($target eq 'analyze') {
                    131: 	my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    132: 	push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names);
                    133:     }
1.1       albertel  134:     my %letter_name_map;
                    135:     my %name_letter_map;
                    136:     my @alphabet=('A'..'Z');
                    137:     my $i=0;
                    138:     foreach my $name (@names) {
                    139: 	$letter_name_map{$alphabet[$i]}=$name;
                    140: 	$name_letter_map{$name}=$alphabet[$i];
                    141: 	$i++;
                    142:     }
1.15      albertel  143:     $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
1.1       albertel  144:     $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
                    145:     if ($target eq 'web') {
1.4       albertel  146: 	my $table='<table>';
1.1       albertel  147: 	my $i=0;
                    148: 	foreach my $name (@names) {
1.4       albertel  149: 	    $table.='<tr><td>'.$alphabet[$i].'</td><td>'.
1.1       albertel  150: 		$Apache::response::itemgroup{$name.'.text'}.
                    151: 		    '</td></tr>';
                    152: 	    $i++;
                    153: 	}
1.4       albertel  154: 	$table.='</table>';
                    155: 	$Apache::matchresponse::itemtable{'display'}=$table;
1.5       sakharuk  156:     } elsif ($target eq 'tex') {
1.39      sakharuk  157: 	my $table=' \begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} ';
1.5       sakharuk  158: 	my $i=0;
                    159: 	foreach my $name (@names) {
1.11      sakharuk  160: 	    $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
1.19      sakharuk  161: 	    $table.='\item['.$alphabet[$i].'] '.
1.21      sakharuk  162: 		$Apache::response::itemgroup{$name.'.text'};
1.5       sakharuk  163: 	    $i++;
                    164: 	}
1.40      sakharuk  165: 	$table.=' \end{description}  \strut ';
                    166: 	if ($Apache::lonhomework::type eq 'exam') {$table.='\vskip -13 mm \strut ';}
1.5       sakharuk  167: 	$Apache::matchresponse::itemtable{'display'}=$table;
1.17      albertel  168:     }
1.1       albertel  169:     return $result;
                    170: }
                    171: 
                    172: sub start_item {
                    173:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    174:     my $result='';
1.30      albertel  175:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  176: 	&Apache::lonxml::startredirection;
                    177:     } elsif ($target eq 'edit') {
1.3       albertel  178: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    179: 						 $safeeval,'-2');
1.1       albertel  180: 	$result=&Apache::edit::tag_start($target,$token,"Item");
                    181: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
1.3       albertel  182: 	if ($randomize ne 'no') {
                    183: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    184: 					       ['random','top','bottom'],
                    185: 					       $token);
                    186: 	}
                    187: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.1       albertel  188:     } elsif ($target eq 'modified') {
                    189: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.3       albertel  190: 						     $safeeval,'name',
                    191: 						     'location');
1.1       albertel  192: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    193:     }
                    194:     return $result;
                    195: }
                    196: 
                    197: sub end_item {
                    198:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    199:     my $text ='';
                    200:     my $result = '';
1.30      albertel  201:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  202: 	$text=&Apache::lonxml::endredirection;
                    203:     }
                    204:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.30      albertel  205: 	$target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  206: 	my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.3       albertel  207: 	my $location=&Apache::lonxml::get_param('location',$parstack,
                    208: 						$safeeval);
1.1       albertel  209: 	&Apache::lonxml::debug("Got a name of :$name:");
                    210: 	if (!$name) { $name=$Apache::lonxml::curdepth; }
                    211: 	&Apache::lonxml::debug("Using a name of :$name:");
                    212: 	push @{ $Apache::response::itemgroup{'names'} }, $name;
                    213: 	$Apache::response::itemgroup{"$name.text"} = $text;
1.3       albertel  214: 	$Apache::response::itemgroup{"$name.location"} = $location;
1.1       albertel  215:     }
                    216:     if ($target eq 'edit') {
                    217: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    218:     }
                    219:     return $result;
                    220: }
                    221: 
                    222: sub insert_item {
                    223:     return '
                    224: <item name="">
                    225: <startouttext />
                    226: <endouttext />
                    227: </item>';
                    228: }
                    229: 
                    230: %Apache::response::foilgroup=();
                    231: sub start_foilgroup {
                    232:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    233:     my $result;
                    234:     %Apache::response::foilgroup=();
                    235:     $Apache::matchresponse::conceptgroup=0;
1.41      albertel  236:     &Apache::response::pushrandomnumber();
1.1       albertel  237:     if ($target eq 'edit') {
                    238: 	$result.=&Apache::edit::start_table($token)
                    239: 	    ."<tr><td>Collection Of Foils</td><td>Delete:"
                    240: 	    .&Apache::edit::deletelist($target,$token)
                    241: 	    ."</td><td>&nbsp;".&Apache::edit::end_row()
                    242:             .&Apache::edit::start_spanning_row()."\n";
                    243:     }
                    244:     return $result;
                    245: }
                    246: 
                    247: sub end_foilgroup {
                    248:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    249:     my $result;
1.28      albertel  250:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  251: 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                    252: 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    253: 						   $safeeval,'-2');
1.5       sakharuk  254: 	if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  255: 	    $result=&displayfoils($target,$max,$randomize);
                    256: 	} elsif ($target eq 'answer' ) {
                    257: 	    $result=&displayanswers($max,$randomize);
                    258: 	} elsif ( $target eq 'grade') {
                    259: 	    &grade_response($max,$randomize);
1.28      albertel  260: 	} elsif ( $target eq 'analyze') {
                    261: 	    my @shown=&whichfoils($max,$randomize);
                    262: 	    &Apache::response::analyze_store_foilgroup(\@shown,
1.29      albertel  263: 						 ['text','value','location']);
1.28      albertel  264: 	    #FIXME need to store options in some way
1.1       albertel  265: 	}
1.20      sakharuk  266: 	&Apache::lonxml::increment_counter(&getfoilcounts($max));
1.1       albertel  267:     } elsif ($target eq 'edit') {
                    268: 	$result=&Apache::edit::end_table();
                    269:     }
1.41      albertel  270:     &Apache::response::poprandomnumber();
1.1       albertel  271:     return $result;
1.29      albertel  272: }
                    273: 
                    274: sub whichfoils {
                    275:     my ($max,$randomize)=@_;
                    276:     return &Apache::response::whichorder(&getfoilcounts($max),
                    277: 					 $randomize,
                    278: 					 &Apache::response::showallfoils(),
                    279: 					 \%Apache::response::foilgroup);
1.1       albertel  280: }
                    281: 
                    282: sub displayanswers {
                    283:     my ($max,$randomize,@opt)=@_;
                    284:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
                    285:     my @names = @{ $Apache::response::foilgroup{'names'} };
1.18      albertel  286:     my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
                    287: 						   $randomize,
                    288: 					  &Apache::response::showallfoils(),
                    289: 					 \%Apache::response::foilgroup);
1.1       albertel  290:     my $result=&Apache::response::answer_header('matchresponse');
                    291:     my %name_letter_map;
                    292:     if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
                    293: 	%name_letter_map=
                    294: 	    %{ $Apache::response::itemgroup{'name_letter_map'} };
                    295:     }
                    296:     foreach my $name (@whichfoils) {
                    297: 	my $value_name=$Apache::response::foilgroup{$name.'.value'};
                    298: 	my $letter=$name_letter_map{$value_name};
                    299: 	$result.=&Apache::response::answer_part('matchresponse',$letter);
                    300:     }
                    301:     $result.=&Apache::response::answer_footer('matchresponse');
                    302:     return $result;
                    303: }
                    304: 
                    305: 
                    306: sub grade_response {
                    307:     my ($max,$randomize)=@_;
1.18      albertel  308:     my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
                    309: 						   $randomize,
                    310: 				            &Apache::response::showallfoils(),
                    311: 				           \%Apache::response::foilgroup);
1.1       albertel  312:     if (!defined($ENV{'form.submitted'})) { return; }
                    313:     my %responsehash;
                    314:     my %grade;
1.33      albertel  315:     my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
1.1       albertel  316:     my %letter_name_map;
                    317:     if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
                    318: 	%letter_name_map=
                    319: 	    %{ $Apache::response::itemgroup{'letter_name_map'} };
                    320:     }
1.30      albertel  321:     my @items;
1.1       albertel  322:     foreach my $name (@whichfoils) {
1.34      albertel  323: 	my $response = &Apache::response::getresponse($temp,'letter');
1.30      albertel  324: 	push(@items,$response);
1.1       albertel  325: 	my $responsename = $letter_name_map{$response};
                    326: 	my $value=$Apache::response::foilgroup{$name.'.value'};
                    327: 	if ( $response =~ /[^\s]/) {
1.31      albertel  328: 	    $responsehash{$name}=$responsename;
1.33      albertel  329: 	    &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
1.1       albertel  330: 	    if ($value eq $responsename) {
                    331: 		$grade{$name}='1'; $right++;
                    332: 	    } else {
                    333: 		$grade{$name}='0'; $wrong++;
                    334: 	    }
                    335: 	} else {
                    336: 	    $ignored++;
                    337: 	}
                    338: 	$temp++;
                    339:     }
                    340:     my $part=$Apache::inputtags::part;
                    341:     my $id = $Apache::inputtags::response['-1'];
                    342:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
1.30      albertel  343:     my $itemstr    =&Apache::lonnet::array2str(@items);
1.1       albertel  344:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
1.30      albertel  345:     my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
1.1       albertel  346:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
                    347:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    348: 	$responsestr;
1.30      albertel  349:     $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
                    350: 	$itemstr;
1.1       albertel  351:     $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
                    352: 	$gradestr;
1.47      albertel  353:     if ($Apache::lonhomework::type eq 'survey') {
                    354: 	if ($ignored == 0) {
                    355: 	    my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
                    356: 	    &Apache::response::handle_previous(\%previous,$ad);
                    357: 	} elsif ($wrong==0 && $right==0) {
                    358: 	} else {
                    359: 	    my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
                    360: 	    &Apache::response::handle_previous(\%previous,$ad);
                    361: 	}
                    362:     } elsif (!$Apache::lonhomework::scantronmode) {
1.34      albertel  363: 	my $ad;
                    364: 	if ($wrong==0 && $ignored==0) {
                    365: 	    $ad='EXACT_ANS';
                    366: 	} elsif ($wrong==0 && $right==0) {
                    367: 	    #nothing submitted
                    368: 	} else {
                    369: 	    if ($ignored==0) {
                    370: 		$ad='INCORRECT';
                    371: 	    } else {
                    372: 		$ad='MISSING_ANSWER';
                    373: 	    }
                    374: 	}
                    375: 	$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    376: 	&Apache::response::handle_previous(\%previous,$ad);
                    377:     } else {
                    378: 	my $ad;
                    379: 	if ($wrong==0 && $right==0) {
                    380: 	    #nothing submitted
                    381: 	} else {
                    382: 	    $ad='ASSIGNED_SCORE';
                    383: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
                    384: 		$ad;
                    385: 	    $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
1.35      albertel  386: 		$right/(scalar(@whichfoils));
1.34      albertel  387: 	    $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
1.35      albertel  388: 		scalar(@whichfoils);
1.34      albertel  389: 	}
                    390:     }
1.1       albertel  391: }
                    392: 
1.4       albertel  393: sub itemdisplay {
                    394:     my ($location)=@_;
                    395:     if ($location eq 'top' &&
                    396: 	!defined($Apache::matchresponse::itemtable{'location'})) {
                    397: 	return $Apache::matchresponse::itemtable{'display'};
                    398:     }
                    399:     if ($Apache::matchresponse::itemtable{'location'} eq $location) {
                    400: 	return $Apache::matchresponse::itemtable{'display'};
                    401:     }
                    402:     return undef;
                    403: }
1.1       albertel  404: sub displayfoils {
                    405:     my ($target,$max,$randomize)=@_;
                    406:     my $result;
1.4       albertel  407:     my $question;
1.18      albertel  408:     my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
                    409: 						   $randomize,
                    410: 				            &Apache::response::showallfoils(),
                    411: 				           \%Apache::response::foilgroup);
1.1       albertel  412:     my $part=$Apache::inputtags::part;
                    413:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    414:     my %letter_name_map;
                    415:     if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
                    416: 	%letter_name_map=
                    417: 	    %{ $Apache::response::itemgroup{'letter_name_map'} };
                    418:     }
                    419:     my %name_letter_map;
                    420:     if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
                    421: 	%name_letter_map=
                    422: 	    %{ $Apache::response::itemgroup{'name_letter_map'} };
                    423:     }
1.25      albertel  424:     if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1       albertel  425: 	foreach my $name (@whichfoils) {
                    426: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
                    427: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
                    428: 	    my $letter=$name_letter_map{$value};
1.5       sakharuk  429: 	    if ($target eq 'tex') {
                    430: 		$question.=' \\\\ '.$letter.':'.$text;
                    431: 	    } else {
                    432: 		$question.='<br />'.$letter.':'.$text;
                    433: 	    }
1.1       albertel  434: 	}
                    435:     } else {
                    436: 	my $i = 0;
1.36      albertel  437: 	my $temp=1;
1.1       albertel  438: 	my $id=$Apache::inputtags::response[-1];
                    439: 	my $part=$Apache::inputtags::part;
                    440: 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.9       sakharuk  441: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse);    
                    442: 	my @alphabet=('A'..'Z');
1.15      albertel  443: 	my @used_letters=sort(keys(%letter_name_map));
1.20      sakharuk  444: 	my $internal_counter=$Apache::lonxml::counter;
1.1       albertel  445: 	foreach my $name (@whichfoils) {
                    446: 	    my $lastopt=$lastresponse{$name};
                    447: 	    my $last_letter=$name_letter_map{$lastopt};
1.5       sakharuk  448: 	    my $optionlist = '';
1.7       sakharuk  449: 	    if ($target ne 'tex') {
                    450: 		$optionlist="<option></option>\n";
                    451: 	    } else {
                    452: 		if ($Apache::lonhomework::type ne 'exam') {
                    453: 		    $optionlist='\framebox[5 mm][s]{\tiny\strut}';
                    454: 		}
                    455: 	    }
1.1       albertel  456: 	    my $option;
1.15      albertel  457: 	    foreach $option (@used_letters) {
1.1       albertel  458: 		if ($option eq $last_letter) {
1.6       sakharuk  459: 		    if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
1.1       albertel  460: 		} else {
1.6       sakharuk  461: 		    if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
1.1       albertel  462: 		}
                    463: 	    }
1.19      sakharuk  464: 	    if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.5       sakharuk  465: 	        $optionlist='<select name="HWVAL_'.
                    466: 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
                    467: 		        $optionlist."</select>\n";
                    468: 	    }
1.1       albertel  469: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
1.5       sakharuk  470: 	    if ($target ne 'tex') {
1.19      sakharuk  471: 		if ($Apache::lonhomework::type ne 'exam') {
1.45      albertel  472: 		    $question.="<br />\n".$optionlist.$text;
1.19      sakharuk  473: 		} else {
1.45      albertel  474: 		    $question.="<br />\n".$text;
1.19      sakharuk  475: 		}
1.6       sakharuk  476: 		if ($Apache::lonhomework::type eq 'exam') {
1.42      albertel  477: 		    my @blank;
                    478: 		    $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
1.6       sakharuk  479: 		}
                    480: 	    } else {		
                    481: 		if ($Apache::lonhomework::type eq 'exam') {
                    482: 		    $question.=' '.$optionlist.$text."\n";
1.13      sakharuk  483: 		    my @emptyItems = ();
1.16      albertel  484: 		    for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
1.40      sakharuk  485: 		    $question.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@used_letters,\@emptyItems).'\end{enumerate} \vskip -8 mm \strut ';
1.20      sakharuk  486: 		    $internal_counter++;
1.6       sakharuk  487: 	        } else {
1.22      sakharuk  488: 		    $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
1.6       sakharuk  489: 		}
1.5       sakharuk  490:             } 
1.1       albertel  491: 	    $temp++;
                    492: 	}
1.4       albertel  493:     }
                    494:     if ($result=&itemdisplay('top')) {
                    495: 	$result.=$question;
                    496:     } elsif ($result=&itemdisplay('bottom')) {
                    497: 	$result=$question.$result;
                    498:     } elsif ($result=&itemdisplay('right')) {
1.32      sakharuk  499: 	if ($target ne 'tex') {
1.45      albertel  500: 	    #remove the first <br />
                    501: 	    $question=~s|<br />||;
                    502: 	    $result='<table><tr><td valign="top">'.$question.
                    503: 		'</td><td valign="top">'.$result.'</td></tr></table>';
1.32      sakharuk  504: 	} else {
1.39      sakharuk  505: 	    my $tabsize=&Apache::londefdef::recalc($ENV{'form.textwidth'});
1.43      sakharuk  506: 	    my ($lefttabsize,$righttabsize)=(0,0);
                    507: 	    if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
                    508: 		$Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
                    509: 		$lefttabsize=$tabsize*$1/100;	
                    510: 		$righttabsize=0.95*($tabsize-$lefttabsize);
                    511: 	    } else {
                    512: 		$tabsize=~/(\d+\.?\d*)/;
                    513: 		$lefttabsize=$1/2.1;
                    514: 		$righttabsize=0.95*($1-$lefttabsize);
                    515: 	    }
                    516: 	    $lefttabsize.=' mm ';
                    517: 	    $righttabsize.=' mm ';
                    518: 	    $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
1.32      sakharuk  519: 	}
1.4       albertel  520:     } elsif ($result=&itemdisplay('left')) {
1.32      sakharuk  521: 	if ($target ne 'tex') {
1.45      albertel  522: 	    #remove the first <br />
                    523: 	    $question=~s|<br />||;
                    524: 	    $result='<table><tr><td valign="top">'.$result.
                    525: 		'</td><td valign="top">'.$question.'</td></tr></table>';
1.32      sakharuk  526: 	} else {
1.39      sakharuk  527: 	    my $tabsize=&Apache::londefdef::recalc($ENV{'form.textwidth'});
1.43      sakharuk  528: 	    my ($lefttabsize,$righttabsize)=(0,0);
                    529: 	    if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
                    530: 		$Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
                    531: 		$lefttabsize=$tabsize*$1/100;	
                    532: 		$righttabsize=0.95*($tabsize-$lefttabsize);
                    533: 	    } else {
                    534: 		$tabsize=~/(\d+\.?\d*)/;
1.44      sakharuk  535: 		$lefttabsize=$1/2.1;
1.43      sakharuk  536: 		$righttabsize=0.95*($1-$lefttabsize);
                    537: 	    }
                    538: 	    $lefttabsize.=' mm ';
                    539: 	    $righttabsize.=' mm ';
                    540: 	    $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
1.32      sakharuk  541: 	}
1.1       albertel  542:     }
1.5       sakharuk  543:     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
1.1       albertel  544:     return $result;
                    545: }
                    546: 
                    547: sub getfoilcounts {
                    548:     my ($max)=@_;
                    549:     # +1 since instructors will count from 1
                    550:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
                    551:     if (&Apache::response::showallfoils()) { $max=$count; }
                    552:     if ($count>$max) { $count=$max } 
                    553:     &Apache::lonxml::debug("Count is $count from $max");
                    554:     return $count;
                    555: }
                    556: 
                    557: 
                    558: sub start_conceptgroup {
                    559:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    560:     $Apache::matchresponse::conceptgroup=1;
                    561:     %Apache::response::conceptgroup=();
                    562:     my $result;
                    563:     if ($target eq 'edit') {
                    564: 	$result.=&Apache::edit::tag_start($target,$token,
                    565: 					  "Concept Grouped Foils");
                    566: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    567: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    568:     }
                    569:     if ($target eq 'modified') {
                    570: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    571: 						     $safeeval,'concept');
                    572: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    573:     }
                    574:     return $result;
                    575: }
                    576: 
                    577: sub end_conceptgroup {
                    578:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    579:     $Apache::matchresponse::conceptgroup=0;
                    580:     my $result='';
1.28      albertel  581:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    582: 	$target eq 'tex' || $target eq 'analyze') {
                    583: 	&Apache::response::pick_foil_for_concept($target,
                    584: 						 ['value','text','location'],
                    585: 						 \%Apache::hint::match,
                    586: 						 $parstack,$safeeval);
1.1       albertel  587:     } elsif ($target eq 'edit') {
                    588: 	$result=&Apache::edit::end_table();
                    589:     }
                    590:     return $result;
                    591: }
                    592: 
                    593: sub insert_conceptgroup {
                    594:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    595:     return $result;
                    596: }
                    597: 
                    598: sub start_foil {
                    599:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    600:     my $result='';
1.28      albertel  601:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  602: 	&Apache::lonxml::startredirection;
1.46      albertel  603: 	if ($target eq 'analyze') {
                    604: 	    &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
                    605: 	}
1.1       albertel  606:     } elsif ($target eq 'edit') {
                    607: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
                    608: 	my $level='-2';
                    609: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
                    610: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    611: 	my @names;
                    612: 	if (defined(@{ $Apache::response::itemgroup{'names'} })) {
                    613: 	    @names=@{ $Apache::response::itemgroup{'names'} };
                    614: 	}
                    615: 	$result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
                    616: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    617: 						 $safeeval,'-3');
                    618: 	if ($randomize ne 'no') {
                    619: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    620: 					     ['random','top','bottom'],$token);
                    621: 	}
                    622: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    623:     } elsif ($target eq 'modified') {
                    624: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    625: 						     $safeeval,'value',
                    626: 						     'name','location');
                    627: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    628:     }
                    629:     return $result;
                    630: }
                    631: 
                    632: sub end_foil {
                    633:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    634:     my $text ='';
                    635:     my $result = '';
1.28      albertel  636:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  637: 	$text=&Apache::lonxml::endredirection;
                    638:     }
1.48    ! albertel  639: 
1.28      albertel  640:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    641: 	$target eq 'tex' || $target eq 'analyze') {
1.48    ! albertel  642: 	if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
        !           643: 	    $text='\vskip 5mm $\triangleright$ '.$text;
        !           644: 	}
1.1       albertel  645: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
                    646: 	if ($value ne 'unused') {
                    647: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    648: 	    &Apache::lonxml::debug("Got a name of :$name:");
                    649: 	    if (!$name) { $name=$Apache::lonxml::curdepth; }
                    650: 	    &Apache::lonxml::debug("Using a name of :$name:");
1.37      albertel  651: 	    if (defined($Apache::response::foilnames{$name})) {
                    652: 		&Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
                    653: 	    }
1.38      albertel  654: 	    $Apache::response::foilnames{$name}++;
1.37      albertel  655: 	    my $location =&Apache::lonxml::get_param('location',$parstack,
                    656: 						     $safeeval);
1.1       albertel  657: 	    if ( $Apache::matchresponse::conceptgroup
                    658: 		 && !&Apache::response::showallfoils() ) {
                    659: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    660: 		$Apache::response::conceptgroup{"$name.value"} = $value;
1.48    ! albertel  661: 		$Apache::response::conceptgroup{"$name.text"} = $text;
1.1       albertel  662: 		$Apache::response::conceptgroup{"$name.location"} = $location;
                    663: 	    } else {
                    664: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
                    665: 		$Apache::response::foilgroup{"$name.value"} = $value;
1.48    ! albertel  666: 		$Apache::response::foilgroup{"$name.text"} = $text;
1.1       albertel  667: 		$Apache::response::foilgroup{"$name.location"} = $location;
                    668: 	    }
                    669: 	}
                    670:     }
                    671:     if ($target eq 'edit') {
                    672: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    673:     }
                    674:     return $result;
                    675: }
                    676: 
                    677: sub insert_foil {
                    678:     return '
                    679: <foil name="" value="unused">
                    680: <startouttext />
                    681: <endouttext />
                    682: </foil>';
                    683: }
                    684: 1;
                    685: __END__

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