Annotation of loncom/homework/matchresponse.pm, revision 1.81

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # Full matching style response
                      3: #
1.81    ! raeburn     4: # $Id: matchresponse.pm,v 1.80 2010/04/27 14:11:17 onken 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;
1.52      albertel   35: use Apache::lonnet;
1.71      onken      36: use Apache::lonxml;
1.6       sakharuk   37: 
1.1       albertel   38: BEGIN {
                     39:     &Apache::lonxml::register('Apache::matchresponse',('matchresponse'));
                     40: }
                     41: 
                     42: sub start_matchresponse {
                     43:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     44:     my $result;
                     45:     #when in a matchresponse use these
                     46:     &Apache::lonxml::register('Apache::matchresponse',
                     47: 			      ('foilgroup','foil','conceptgroup','item',
                     48: 			       'itemgroup'));
                     49:     push (@Apache::lonxml::namespace,'matchresponse');
                     50:     my $id = &Apache::response::start_response($parstack,$safeeval);
                     51:     %Apache::hint::match=();
1.37      albertel   52:     undef(%Apache::response::foilnames);
1.1       albertel   53:     if ($target eq 'meta') {
                     54: 	$result=&Apache::response::meta_package_write('matchresponse');
                     55:     } elsif ($target eq 'edit' ) {
                     56: 	$result.=&Apache::edit::start_table($token).
1.73      raeburn    57: 	    '<tr><td>'.&Apache::lonxml::description($token).'</td>'
1.72      bisitz     58:            .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
                     59: 	   .&Apache::edit::deletelist($target,$token)
                     60:            .'</span></td>'
1.73      raeburn    61:            .'<td>&nbsp;'.&Apache::edit::end_row()
1.72      bisitz     62: 	   .&Apache::edit::start_spanning_row();
1.1       albertel   63: 	
                     64: 	$result.=
                     65: 	    &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
1.72      bisitz     66: 	    &Apache::edit::select_arg('Randomize Foil Order:','randomize',
1.1       albertel   67: 				      ['yes','no'],$token).
                     68: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
                     69:     } elsif ($target eq 'modified') {
                     70: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                     71: 						     $safeeval,'max',
                     72: 						     'randomize');
                     73: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.28      albertel   74:     } elsif ($target eq 'analyze') {
                     75: 	my $part_id="$Apache::inputtags::part.$id";
1.69      raeburn    76:         $Apache::lonhomework::analyze{"$part_id.type"} = 'matchresponse';
1.28      albertel   77: 	push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.68      raeburn    78: 	push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} },
1.65      foxr       79: 	      1);
1.1       albertel   80:     }
                     81:     return $result;
                     82: }
                     83: 
                     84: sub end_matchresponse {
                     85:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     86:     my $result;
                     87:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
                     88:     &Apache::response::end_response;
                     89:     pop @Apache::lonxml::namespace;
                     90:     &Apache::lonxml::deregister('Apache::matchresponse',
                     91: 				('foilgroup','foil','conceptgroup'));
1.37      albertel   92:     undef(%Apache::response::foilnames);
1.1       albertel   93:     return $result;
                     94: }
                     95: 
                     96: %Apache::response::itemgroup=();
                     97: sub start_itemgroup {
                     98:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     99:     my $result;
                    100:     %Apache::response::itemgroup=();
1.4       albertel  101:     %Apache::matchresponse::itemtable=();
1.15      albertel  102: 
1.1       albertel  103:     if ($target eq 'edit') {
                    104: 	$result=&Apache::edit::tag_start($target,$token);
                    105: 	$result.=&Apache::edit::select_arg('Randomize Order:','randomize',
1.73      raeburn   106: 					   ['yes','no'],$token).'&nbsp;'x 3;
1.4       albertel  107: 	$result.=&Apache::edit::select_arg('Items Display Location:',
                    108: 					   'location',
                    109: 					   ['top','bottom','left','right'],
1.73      raeburn   110: 					   $token).'&nbsp;'x 3;
                    111: 	$result.=&Apache::edit::select_arg('Items Display Direction:',
1.51      albertel  112: 					   'direction',
                    113: 					   ['vertical','horizontal'],
                    114: 					   $token);
1.1       albertel  115: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.4       albertel  116:     } elsif ($target eq 'modified') {
                    117: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    118: 						     $safeeval,'randomize',
1.51      albertel  119: 						     'location','direction');
1.4       albertel  120: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.21      sakharuk  121:     } elsif ($target eq 'web' or $target eq 'tex') {
1.4       albertel  122: 	$Apache::matchresponse::itemtable{'location'}=
                    123: 	    &Apache::lonxml::get_param('location',$parstack,$safeeval);
1.43      sakharuk  124: 	$Apache::matchresponse::TeXitemgroupwidth=&Apache::lonxml::get_param('TeXitemgroupwidth',$parstack,$safeeval,undef,0);
1.1       albertel  125:     }
                    126:     return $result;
                    127: }
                    128: 
                    129: sub end_itemgroup {
                    130:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    131:     my $result;
                    132: 
1.17      albertel  133:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.1       albertel  134:     if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
                    135:     my @names=@{ $Apache::response::itemgroup{'names'} };
                    136:     my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
1.2       albertel  137:     if ($randomize ne 'no' ) {
1.18      albertel  138: 	@names=&Apache::response::whichorder($#names+1,$randomize,0,
                    139: 					 \%Apache::response::itemgroup);
1.1       albertel  140:     }
1.30      albertel  141:     if ($target eq 'analyze') {
                    142: 	my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    143: 	push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names);
                    144:     }
1.1       albertel  145:     my %letter_name_map;
                    146:     my %name_letter_map;
                    147:     my @alphabet=('A'..'Z');
                    148:     my $i=0;
                    149:     foreach my $name (@names) {
                    150: 	$letter_name_map{$alphabet[$i]}=$name;
                    151: 	$name_letter_map{$name}=$alphabet[$i];
                    152: 	$i++;
                    153:     }
1.15      albertel  154:     $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
1.1       albertel  155:     $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
1.51      albertel  156:     my $direction=&Apache::lonxml::get_param('direction',$parstack,$safeeval);
1.1       albertel  157:     if ($target eq 'web') {
1.58      foxr      158: 	
                    159: 	my $table='<br /><table>'; # extra space to match what latex does.
1.1       albertel  160: 	my $i=0;
1.51      albertel  161: 	if ($direction eq 'horizontal') { $table .='<tr>';}
1.1       albertel  162: 	foreach my $name (@names) {
1.51      albertel  163: 	    if ($direction ne 'horizontal') { $table.='<tr>'; }
                    164: 	    $table.='<td>'.$alphabet[$i].'</td><td>'.
                    165: 		$Apache::response::itemgroup{$name.'.text'}.'</td>';
                    166: 	    if ($direction ne 'horizontal') { $table.='</tr>'; }
1.1       albertel  167: 	    $i++;
                    168: 	}
1.51      albertel  169: 	if ($direction eq 'horizontal') { $table .='</tr>';}
1.4       albertel  170: 	$table.='</table>';
                    171: 	$Apache::matchresponse::itemtable{'display'}=$table;
1.60      albertel  172: 	$Apache::lonxml::post_evaluate=0;
1.5       sakharuk  173:     } elsif ($target eq 'tex') {
1.58      foxr      174: 	my $table=' \begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} ';
1.5       sakharuk  175: 	my $i=0;
                    176: 	foreach my $name (@names) {
1.59      foxr      177: 	    # $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
1.58      foxr      178: 	    $table.='\item['.$alphabet[$i].'] '.
                    179: 		$Apache::response::itemgroup{$name.'.text'};
1.5       sakharuk  180: 	    $i++;
                    181: 	}
1.58      foxr      182: 	$table.=' \end{description}  \strut ';
1.77      foxr      183: 	if ($Apache::lonhomework::type eq 'exam')  {$table.='\vskip -13 mm \strut ';}
1.5       sakharuk  184: 	$Apache::matchresponse::itemtable{'display'}=$table;
1.60      albertel  185: 	$Apache::lonxml::post_evaluate=0;
1.17      albertel  186:     }
1.1       albertel  187:     return $result;
                    188: }
                    189: 
                    190: sub start_item {
                    191:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    192:     my $result='';
1.30      albertel  193:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  194: 	&Apache::lonxml::startredirection;
                    195:     } elsif ($target eq 'edit') {
1.3       albertel  196: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    197: 						 $safeeval,'-2');
1.1       albertel  198: 	$result=&Apache::edit::tag_start($target,$token,"Item");
                    199: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
1.3       albertel  200: 	if ($randomize ne 'no') {
1.73      raeburn   201: 	    $result.='&nbsp;'x 3 .
                    202:                      &Apache::edit::select_arg('Location:','location',
1.3       albertel  203: 					       ['random','top','bottom'],
                    204: 					       $token);
                    205: 	}
                    206: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.1       albertel  207:     } elsif ($target eq 'modified') {
                    208: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.3       albertel  209: 						     $safeeval,'name',
                    210: 						     'location');
1.1       albertel  211: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    212:     }
                    213:     return $result;
                    214: }
                    215: 
                    216: sub end_item {
                    217:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    218:     my $text ='';
                    219:     my $result = '';
1.30      albertel  220:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  221: 	$text=&Apache::lonxml::endredirection;
                    222:     }
                    223:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.30      albertel  224: 	$target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  225: 	my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.3       albertel  226: 	my $location=&Apache::lonxml::get_param('location',$parstack,
                    227: 						$safeeval);
1.1       albertel  228: 	&Apache::lonxml::debug("Got a name of :$name:");
1.55      albertel  229: 	if ($name eq "") { $name=$Apache::lonxml::curdepth; }
1.1       albertel  230: 	&Apache::lonxml::debug("Using a name of :$name:");
                    231: 	push @{ $Apache::response::itemgroup{'names'} }, $name;
                    232: 	$Apache::response::itemgroup{"$name.text"} = $text;
1.3       albertel  233: 	$Apache::response::itemgroup{"$name.location"} = $location;
1.1       albertel  234:     }
                    235:     if ($target eq 'edit') {
                    236: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    237:     }
                    238:     return $result;
                    239: }
                    240: 
                    241: sub insert_item {
                    242:     return '
                    243: <item name="">
                    244: <startouttext />
                    245: <endouttext />
                    246: </item>';
                    247: }
                    248: 
                    249: %Apache::response::foilgroup=();
                    250: sub start_foilgroup {
                    251:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    252:     my $result;
                    253:     %Apache::response::foilgroup=();
                    254:     $Apache::matchresponse::conceptgroup=0;
1.81    ! raeburn   255:     &Apache::response::pushrandomnumber(undef,$target);
1.1       albertel  256:     if ($target eq 'edit') {
                    257: 	$result.=&Apache::edit::start_table($token)
1.73      raeburn   258: 	    .'<tr><td>'.&mt('Collection Of Foils').'</td>'
1.72      bisitz    259:             .'<td><span class="LC_nobreak">'.&mt('Delete?')
1.1       albertel  260: 	    .&Apache::edit::deletelist($target,$token)
1.72      bisitz    261: 	    .'</span></td>'
1.73      raeburn   262:             .'<td>&nbsp;'.&Apache::edit::end_row()
1.1       albertel  263:             .&Apache::edit::start_spanning_row()."\n";
                    264:     }
                    265:     return $result;
                    266: }
                    267: 
                    268: sub end_foilgroup {
                    269:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    270:     my $result;
1.67      foxr      271:     my $part        = $Apache::inputtags::part;
1.68      raeburn   272:     my $response_id = $Apache::inputtags::response[-1];
1.67      foxr      273: 
1.28      albertel  274:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  275: 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                    276: 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    277: 						   $safeeval,'-2');
1.5       sakharuk  278: 	if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  279: 	    $result=&displayfoils($target,$max,$randomize);
1.60      albertel  280: 	    $Apache::lonxml::post_evaluate=0;
1.1       albertel  281: 	} elsif ($target eq 'answer' ) {
                    282: 	    $result=&displayanswers($max,$randomize);
                    283: 	} elsif ( $target eq 'grade') {
                    284: 	    &grade_response($max,$randomize);
1.28      albertel  285: 	} elsif ( $target eq 'analyze') {
                    286: 	    my @shown=&whichfoils($max,$randomize);
                    287: 	    &Apache::response::analyze_store_foilgroup(\@shown,
1.29      albertel  288: 						 ['text','value','location']);
1.28      albertel  289: 	    #FIXME need to store options in some way
1.1       albertel  290: 	}
1.66      foxr      291: 	&Apache::lonxml::increment_counter(&getfoilcounts($max), 
1.67      foxr      292: 					   "$part.$response_id");
1.66      foxr      293: 	if ($target eq 'analyze') {
                    294: 	    &Apache::lonhomework::set_bubble_lines();
                    295: 	}
                    296: 
1.1       albertel  297:     } elsif ($target eq 'edit') {
                    298: 	$result=&Apache::edit::end_table();
                    299:     }
1.41      albertel  300:     &Apache::response::poprandomnumber();
1.1       albertel  301:     return $result;
1.29      albertel  302: }
                    303: 
                    304: sub whichfoils {
                    305:     my ($max,$randomize)=@_;
                    306:     return &Apache::response::whichorder(&getfoilcounts($max),
                    307: 					 $randomize,
                    308: 					 &Apache::response::showallfoils(),
                    309: 					 \%Apache::response::foilgroup);
1.1       albertel  310: }
                    311: 
                    312: sub displayanswers {
                    313:     my ($max,$randomize,@opt)=@_;
                    314:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
                    315:     my @names = @{ $Apache::response::foilgroup{'names'} };
1.18      albertel  316:     my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
                    317: 						   $randomize,
                    318: 					  &Apache::response::showallfoils(),
                    319: 					 \%Apache::response::foilgroup);
1.1       albertel  320:     my %name_letter_map;
                    321:     if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
                    322: 	%name_letter_map=
                    323: 	    %{ $Apache::response::itemgroup{'name_letter_map'} };
                    324:     }
1.56      albertel  325:     my $result;
                    326:     if ($Apache::lonhomework::type eq 'exam') {
                    327: 	my $i=0;
                    328: 	foreach my $name (@whichfoils) {
                    329: 	    $result.=&Apache::response::answer_header('matchresponse',$i++);
                    330: 	    my $value_name=$Apache::response::foilgroup{$name.'.value'};
                    331: 	    my $letter=$name_letter_map{$value_name};
                    332: 	    $result.=&Apache::response::answer_part('matchresponse',$letter);
                    333: 	    $result.=&Apache::response::answer_footer('matchresponse');
                    334: 	}
                    335:     } else {
                    336: 	$result=&Apache::response::answer_header('matchresponse');
                    337: 	foreach my $name (@whichfoils) {
                    338: 	    my $value_name=$Apache::response::foilgroup{$name.'.value'};
                    339: 	    my $letter=$name_letter_map{$value_name};
                    340: 	    $result.=&Apache::response::answer_part('matchresponse',$letter);
                    341: 	}
                    342: 	$result.=&Apache::response::answer_footer('matchresponse');
1.1       albertel  343:     }
                    344:     return $result;
                    345: }
                    346: 
                    347: 
                    348: sub grade_response {
                    349:     my ($max,$randomize)=@_;
1.18      albertel  350:     my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
                    351: 						   $randomize,
                    352: 				            &Apache::response::showallfoils(),
                    353: 				           \%Apache::response::foilgroup);
1.50      albertel  354:     if (!&Apache::response::submitted()) { return; }
1.1       albertel  355:     my %responsehash;
                    356:     my %grade;
1.81    ! raeburn   357:     my %answerhash;
1.33      albertel  358:     my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
1.1       albertel  359:     my %letter_name_map;
                    360:     if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
                    361: 	%letter_name_map=
                    362: 	    %{ $Apache::response::itemgroup{'letter_name_map'} };
                    363:     }
1.30      albertel  364:     my @items;
1.1       albertel  365:     foreach my $name (@whichfoils) {
1.34      albertel  366: 	my $response = &Apache::response::getresponse($temp,'letter');
1.30      albertel  367: 	push(@items,$response);
1.1       albertel  368: 	my $responsename = $letter_name_map{$response};
                    369: 	my $value=$Apache::response::foilgroup{$name.'.value'};
1.81    ! raeburn   370:         if ($Apache::lonhomework::type eq 'randomizetry') {
        !           371:             $answerhash{$name} = $value;
        !           372:         }
1.1       albertel  373: 	if ( $response =~ /[^\s]/) {
1.31      albertel  374: 	    $responsehash{$name}=$responsename;
1.33      albertel  375: 	    &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
1.1       albertel  376: 	    if ($value eq $responsename) {
                    377: 		$grade{$name}='1'; $right++;
                    378: 	    } else {
                    379: 		$grade{$name}='0'; $wrong++;
                    380: 	    }
                    381: 	} else {
                    382: 	    $ignored++;
                    383: 	}
                    384: 	$temp++;
                    385:     }
                    386:     my $part=$Apache::inputtags::part;
                    387:     my $id = $Apache::inputtags::response['-1'];
                    388:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
1.30      albertel  389:     my $itemstr    =&Apache::lonnet::array2str(@items);
1.1       albertel  390:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
1.30      albertel  391:     my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
1.1       albertel  392:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
                    393:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    394: 	$responsestr;
1.30      albertel  395:     $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
                    396: 	$itemstr;
1.1       albertel  397:     $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
                    398: 	$gradestr;
1.81    ! raeburn   399:     if ($Apache::lonhomework::type eq 'randomizetry') {
        !           400:         $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichfoils);
        !           401:     }
1.79      raeburn   402:     if (($Apache::lonhomework::type eq 'survey') ||
                    403:         ($Apache::lonhomework::type eq 'surveycred') ||
                    404:         ($Apache::lonhomework::type eq 'anonsurvey') ||
                    405:         ($Apache::lonhomework::type eq 'anonsurveycred')) {
1.47      albertel  406: 	if ($ignored == 0) {
1.79      raeburn   407: 	    my $ad;
                    408:             if ($Apache::lonhomework::type eq 'anonsurvey') {
                    409:                 $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
                    410:             } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
                    411:                 $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
                    412:             } elsif ($Apache::lonhomework::type eq 'surveycred') {
                    413:                 $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
                    414:             } else {
                    415:                 $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
                    416:             }
1.47      albertel  417: 	    &Apache::response::handle_previous(\%previous,$ad);
                    418: 	} elsif ($wrong==0 && $right==0) {
                    419: 	} else {
                    420: 	    my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
                    421: 	    &Apache::response::handle_previous(\%previous,$ad);
                    422: 	}
                    423:     } elsif (!$Apache::lonhomework::scantronmode) {
1.34      albertel  424: 	my $ad;
                    425: 	if ($wrong==0 && $ignored==0) {
                    426: 	    $ad='EXACT_ANS';
                    427: 	} elsif ($wrong==0 && $right==0) {
                    428: 	    #nothing submitted
                    429: 	} else {
                    430: 	    if ($ignored==0) {
                    431: 		$ad='INCORRECT';
                    432: 	    } else {
                    433: 		$ad='MISSING_ANSWER';
                    434: 	    }
                    435: 	}
                    436: 	$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    437: 	&Apache::response::handle_previous(\%previous,$ad);
                    438:     } else {
                    439: 	my $ad;
                    440: 	if ($wrong==0 && $right==0) {
                    441: 	    #nothing submitted
                    442: 	} else {
                    443: 	    $ad='ASSIGNED_SCORE';
                    444: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
                    445: 		$ad;
                    446: 	    $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
1.35      albertel  447: 		$right/(scalar(@whichfoils));
1.34      albertel  448: 	    $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
1.35      albertel  449: 		scalar(@whichfoils);
1.34      albertel  450: 	}
                    451:     }
1.1       albertel  452: }
                    453: 
1.64      albertel  454: sub format_prior_answer {
                    455:     my ($mode,$answer,$other_data) = @_;
                    456:     my %answer      =&Apache::lonnet::str2hash($answer);
                    457:     my $foil_order  =$other_data->[0];
                    458:     my %grading     =&Apache::lonnet::str2hash($other_data->[1]);
                    459:     my @items       =&Apache::lonnet::str2array($other_data->[2]);
                    460:     my $output;
                    461:     
                    462:     foreach my $name (@{ $foil_order }) {
                    463: 	my $item=shift(@items);
                    464: 	$output .= '<tr><td>'.$item.'</td></tr>';
                    465:     }
                    466:     return if (!defined($output));
                    467: 
                    468:     $output = '<table class="LC_prior_match">'.$output.'</table>';
                    469:     return $output;
                    470: }
                    471: 
1.4       albertel  472: sub itemdisplay {
                    473:     my ($location)=@_;
                    474:     if ($location eq 'top' &&
                    475: 	!defined($Apache::matchresponse::itemtable{'location'})) {
                    476: 	return $Apache::matchresponse::itemtable{'display'};
                    477:     }
                    478:     if ($Apache::matchresponse::itemtable{'location'} eq $location) {
                    479: 	return $Apache::matchresponse::itemtable{'display'};
                    480:     }
                    481:     return undef;
                    482: }
1.64      albertel  483: 
1.1       albertel  484: sub displayfoils {
                    485:     my ($target,$max,$randomize)=@_;
1.62      foxr      486:     my ($tabsize, $lefttabsize, $righttabsize);
                    487: 
1.1       albertel  488:     my $result;
1.4       albertel  489:     my $question;
1.18      albertel  490:     my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
                    491: 						   $randomize,
                    492: 				            &Apache::response::showallfoils(),
                    493: 				           \%Apache::response::foilgroup);
1.1       albertel  494:     my $part=$Apache::inputtags::part;
                    495:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    496:     my %letter_name_map;
                    497:     if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
                    498: 	%letter_name_map=
                    499: 	    %{ $Apache::response::itemgroup{'letter_name_map'} };
                    500:     }
                    501:     my %name_letter_map;
                    502:     if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
                    503: 	%name_letter_map=
                    504: 	    %{ $Apache::response::itemgroup{'name_letter_map'} };
                    505:     }
1.25      albertel  506:     if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1       albertel  507: 	foreach my $name (@whichfoils) {
                    508: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
                    509: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
                    510: 	    my $letter=$name_letter_map{$value};
1.5       sakharuk  511: 	    if ($target eq 'tex') {
                    512: 		$question.=' \\\\ '.$letter.':'.$text;
                    513: 	    } else {
1.53      albertel  514: 		$question.='<br /><b>'.$letter.':</b> '.$text;
1.5       sakharuk  515: 	    }
1.1       albertel  516: 	}
                    517:     } else {
                    518: 	my $i = 0;
1.36      albertel  519: 	my $temp=1;
1.1       albertel  520: 	my $id=$Apache::inputtags::response[-1];
                    521: 	my $part=$Apache::inputtags::part;
1.81    ! raeburn   522:         my ($lastresponse,$newvariation);
        !           523:         if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
        !           524:             ($Apache::lonhomework::type eq 'randomizetry')) &&
        !           525:             ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
        !           526:             if ($env{'form.'.$part.'.rndseed'} ne
        !           527:                 $Apache::lonhomework::history{"resource.$part.rndseed"}) {
        !           528:                 $newvariation = 1;
        !           529:             }
        !           530:         }
        !           531:         unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred') && (defined($env{'form.grade_symb'}))) || $newvariation) {
1.79      raeburn   532: 	    $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
                    533:         }
1.9       sakharuk  534: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse);    
                    535: 	my @alphabet=('A'..'Z');
1.15      albertel  536: 	my @used_letters=sort(keys(%letter_name_map));
1.20      sakharuk  537: 	my $internal_counter=$Apache::lonxml::counter;
1.1       albertel  538: 	foreach my $name (@whichfoils) {
                    539: 	    my $lastopt=$lastresponse{$name};
                    540: 	    my $last_letter=$name_letter_map{$lastopt};
1.5       sakharuk  541: 	    my $optionlist = '';
1.7       sakharuk  542: 	    if ($target ne 'tex') {
                    543: 		$optionlist="<option></option>\n";
                    544: 	    } else {
                    545: 		if ($Apache::lonhomework::type ne 'exam') {
1.76      onken     546:                     if($env{'form.pdfFormFields'} eq 'yes'
                    547:                        && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
1.75      raeburn   548:                         my $fieldname = $env{'request.symb'} . '&part_'. $Apache::inputtags::part .'&matchresponse'. '&HWVAL_' . $Apache::inputtags::response['-1'] . ':' . $temp . '&submit_' . $Apache::inputtags::part . '&';
                    549:                         $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
                    550:                     } else {
1.77      foxr      551: 
1.75      raeburn   552:                         $optionlist='\framebox[10 mm][s]{\tiny\strut}';
                    553:                     }
1.74      raeburn   554:                 }
1.7       sakharuk  555: 	    }
1.1       albertel  556: 	    my $option;
1.15      albertel  557: 	    foreach $option (@used_letters) {
1.1       albertel  558: 		if ($option eq $last_letter) {
1.71      onken     559: 		    if ($target ne 'tex') {
1.81    ! raeburn   560:                         $optionlist.="<option selected=\"selected\">$option</option>\n";
1.76      onken     561:                     } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
1.80      onken     562:                              && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER'
                    563:                              && $Apache::lonhomework::type ne 'exam') {
1.75      raeburn   564:                         $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
1.71      onken     565:                     }
1.1       albertel  566: 		} else {
1.71      onken     567: 		    if ($target ne 'tex') {
                    568:                         $optionlist.="<option>$option</option>\n";
1.76      onken     569:                     } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
1.80      onken     570:                              && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER'
                    571:                              && $Apache::lonhomework::type ne 'exam') {
1.75      raeburn   572:                         $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
1.71      onken     573:                     }
1.1       albertel  574: 		}
                    575: 	    }
1.19      sakharuk  576: 	    if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.61      albertel  577: 	        $optionlist='<select onchange="javascript:setSubmittedPart(\''.
                    578: 		  $part.'\');" name="HWVAL_'.
1.5       sakharuk  579: 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
                    580: 		        $optionlist."</select>\n";
                    581: 	    }
1.1       albertel  582: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
1.62      foxr      583: 	    #
                    584:             #  Factor out the tex computations of the left/right 1/2 minipage
                    585: 	    #  widths for left or right positioning.  This allows us
                    586: 	    #  to, if necessary constrain the bubble widths:
                    587: 	    #
                    588: 	    if ($target eq 'tex'   &&
                    589: 		(&itemdisplay('left') || &itemdisplay('right'))) {
                    590: 		$tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
                    591: 		($lefttabsize,$righttabsize)=(0,0);
                    592: 		if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
                    593: 		    $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
                    594: 		    $lefttabsize=$tabsize*$1/100;	
                    595: 		    $righttabsize=0.95*($tabsize-$lefttabsize);
                    596: 		} else {
                    597: 		    $tabsize=~/(\d+\.?\d*)/;
                    598: 		    $lefttabsize=$1/2.1;
                    599: 		    $righttabsize=0.95*($1-$lefttabsize);
                    600: 		}
                    601: 	    }
1.5       sakharuk  602: 	    if ($target ne 'tex') {
1.19      sakharuk  603: 		if ($Apache::lonhomework::type ne 'exam') {
1.45      albertel  604: 		    $question.="<br />\n".$optionlist.$text;
1.19      sakharuk  605: 		} else {
1.45      albertel  606: 		    $question.="<br />\n".$text;
1.19      sakharuk  607: 		}
1.6       sakharuk  608: 		if ($Apache::lonhomework::type eq 'exam') {
1.42      albertel  609: 		    my @blank;
                    610: 		    $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
1.6       sakharuk  611: 		}
                    612: 	    } else {		
1.62      foxr      613: 		# Note that if left or right positioned, we must
                    614: 		# confine the bubbles to righttabsize:
                    615: 		#
1.80      onken     616: 		if ($Apache::lonhomework::type eq 'exam') {
1.6       sakharuk  617: 		    $question.=' '.$optionlist.$text."\n";
1.13      sakharuk  618: 		    my @emptyItems = ();
1.16      albertel  619: 		    for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
1.62      foxr      620: 		    $question.='\vskip -1 mm\noindent\begin{list}{}{\setlength{\listparindent}{0mm}\setlength{\leftmargin}{2mm}}'
                    621: 			.'\item \hskip -3mm \textbf{'.$internal_counter.'}';
                    622: 		    if (&itemdisplay('left') || &itemdisplay('right')) {
1.77      foxr      623: 			$question .= '\vskip -4 mm' . &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems, "", $righttabsize);
1.62      foxr      624: 		    }
                    625: 		    else {
1.77      foxr      626: 			$question .= '\vskip -4 mm' . &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems);
1.62      foxr      627: 		    }
                    628: 		    $question .= '\end{list} \vskip -8 mm \strut ';
1.20      sakharuk  629: 		    $internal_counter++;
1.6       sakharuk  630: 	        } else {
1.76      onken     631:                     if($env{'form.pdfFormFields'} eq 'yes' 
                    632:                             && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
1.75      raeburn   633:                         $question .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut';
                    634:                     } else {
                    635:                         $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
                    636:                     }
1.6       sakharuk  637: 		}
1.5       sakharuk  638:             } 
1.1       albertel  639: 	    $temp++;
                    640: 	}
1.4       albertel  641:     }
                    642:     if ($result=&itemdisplay('top')) {
                    643: 	$result.=$question;
                    644:     } elsif ($result=&itemdisplay('bottom')) {
                    645: 	$result=$question.$result;
                    646:     } elsif ($result=&itemdisplay('right')) {
1.32      sakharuk  647: 	if ($target ne 'tex') {
1.45      albertel  648: 	    #remove the first <br />
                    649: 	    $question=~s|<br />||;
                    650: 	    $result='<table><tr><td valign="top">'.$question.
                    651: 		'</td><td valign="top">'.$result.'</td></tr></table>';
1.32      sakharuk  652: 	} else {
1.43      sakharuk  653: 	    $lefttabsize.=' mm ';
                    654: 	    $righttabsize.=' mm ';
                    655: 	    $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
1.32      sakharuk  656: 	}
1.4       albertel  657:     } elsif ($result=&itemdisplay('left')) {
1.32      sakharuk  658: 	if ($target ne 'tex') {
1.45      albertel  659: 	    #remove the first <br />
                    660: 	    $question=~s|<br />||;
                    661: 	    $result='<table><tr><td valign="top">'.$result.
                    662: 		'</td><td valign="top">'.$question.'</td></tr></table>';
1.32      sakharuk  663: 	} else {
1.43      sakharuk  664: 	    $lefttabsize.=' mm ';
                    665: 	    $righttabsize.=' mm ';
                    666: 	    $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
1.32      sakharuk  667: 	}
1.1       albertel  668:     }
1.64      albertel  669:     if ($target eq 'web') {
1.81    ! raeburn   670:         my $questiontype;
        !           671:         if ($Apache::lonhomework::type eq 'randomizetry') {
        !           672:             $questiontype = $Apache::lonhomework::type;
        !           673:         }
1.64      albertel  674: 	&Apache::response::setup_prior_tries_hash(\&format_prior_answer,
                    675: 						  [\@whichfoils,
                    676: 						   'submissiongrading',
1.81    ! raeburn   677: 						   'submissionitems'],
        !           678:                                                   $questiontype);
1.64      albertel  679:     }
1.5       sakharuk  680:     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
1.1       albertel  681:     return $result;
                    682: }
                    683: 
                    684: sub getfoilcounts {
                    685:     my ($max)=@_;
                    686:     # +1 since instructors will count from 1
                    687:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
                    688:     if (&Apache::response::showallfoils()) { $max=$count; }
                    689:     if ($count>$max) { $count=$max } 
                    690:     &Apache::lonxml::debug("Count is $count from $max");
                    691:     return $count;
                    692: }
                    693: 
                    694: 
                    695: sub start_conceptgroup {
                    696:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    697:     $Apache::matchresponse::conceptgroup=1;
                    698:     %Apache::response::conceptgroup=();
                    699:     my $result;
                    700:     if ($target eq 'edit') {
                    701: 	$result.=&Apache::edit::tag_start($target,$token,
                    702: 					  "Concept Grouped Foils");
                    703: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    704: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    705:     }
                    706:     if ($target eq 'modified') {
                    707: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    708: 						     $safeeval,'concept');
                    709: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    710:     }
                    711:     return $result;
                    712: }
                    713: 
                    714: sub end_conceptgroup {
                    715:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    716:     $Apache::matchresponse::conceptgroup=0;
                    717:     my $result='';
1.28      albertel  718:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    719: 	$target eq 'tex' || $target eq 'analyze') {
                    720: 	&Apache::response::pick_foil_for_concept($target,
                    721: 						 ['value','text','location'],
                    722: 						 \%Apache::hint::match,
                    723: 						 $parstack,$safeeval);
1.1       albertel  724:     } elsif ($target eq 'edit') {
                    725: 	$result=&Apache::edit::end_table();
                    726:     }
                    727:     return $result;
                    728: }
                    729: 
                    730: sub insert_conceptgroup {
                    731:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    732:     return $result;
                    733: }
                    734: 
                    735: sub start_foil {
                    736:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    737:     my $result='';
1.28      albertel  738:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  739: 	&Apache::lonxml::startredirection;
1.46      albertel  740: 	if ($target eq 'analyze') {
                    741: 	    &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
                    742: 	}
1.1       albertel  743:     } elsif ($target eq 'edit') {
                    744: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
                    745: 	my $level='-2';
                    746: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
                    747: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    748: 	my @names;
                    749: 	if (defined(@{ $Apache::response::itemgroup{'names'} })) {
                    750: 	    @names=@{ $Apache::response::itemgroup{'names'} };
                    751: 	}
                    752: 	$result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
                    753: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    754: 						 $safeeval,'-3');
                    755: 	if ($randomize ne 'no') {
                    756: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    757: 					     ['random','top','bottom'],$token);
                    758: 	}
                    759: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    760:     } elsif ($target eq 'modified') {
                    761: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    762: 						     $safeeval,'value',
                    763: 						     'name','location');
                    764: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    765:     }
                    766:     return $result;
                    767: }
                    768: 
                    769: sub end_foil {
                    770:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    771:     my $text ='';
                    772:     my $result = '';
1.28      albertel  773:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  774: 	$text=&Apache::lonxml::endredirection;
                    775:     }
1.48      albertel  776: 
1.28      albertel  777:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    778: 	$target eq 'tex' || $target eq 'analyze') {
1.48      albertel  779: 	if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
                    780: 	    $text='\vskip 5mm $\triangleright$ '.$text;
                    781: 	}
1.1       albertel  782: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
                    783: 	if ($value ne 'unused') {
                    784: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    785: 	    &Apache::lonxml::debug("Got a name of :$name:");
1.49      albertel  786: 	    if (!$name) {
1.70      bisitz    787: 		&Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.49      albertel  788: 		$name=$Apache::lonxml::curdepth;
                    789: 	    }
1.1       albertel  790: 	    &Apache::lonxml::debug("Using a name of :$name:");
1.37      albertel  791: 	    if (defined($Apache::response::foilnames{$name})) {
1.70      bisitz    792: 		&Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
1.37      albertel  793: 	    }
1.38      albertel  794: 	    $Apache::response::foilnames{$name}++;
1.37      albertel  795: 	    my $location =&Apache::lonxml::get_param('location',$parstack,
                    796: 						     $safeeval);
1.1       albertel  797: 	    if ( $Apache::matchresponse::conceptgroup
                    798: 		 && !&Apache::response::showallfoils() ) {
1.77      foxr      799: 
1.1       albertel  800: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    801: 		$Apache::response::conceptgroup{"$name.value"} = $value;
1.48      albertel  802: 		$Apache::response::conceptgroup{"$name.text"} = $text;
1.1       albertel  803: 		$Apache::response::conceptgroup{"$name.location"} = $location;
                    804: 	    } else {
1.77      foxr      805: 
1.1       albertel  806: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
                    807: 		$Apache::response::foilgroup{"$name.value"} = $value;
1.48      albertel  808: 		$Apache::response::foilgroup{"$name.text"} = $text;
1.1       albertel  809: 		$Apache::response::foilgroup{"$name.location"} = $location;
                    810: 	    }
                    811: 	}
                    812:     }
                    813:     if ($target eq 'edit') {
                    814: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    815:     }
                    816:     return $result;
                    817: }
                    818: 
                    819: sub insert_foil {
                    820:     return '
                    821: <foil name="" value="unused">
                    822: <startouttext />
                    823: <endouttext />
                    824: </foil>';
                    825: }
                    826: 1;
                    827: __END__

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