Annotation of loncom/homework/matchresponse.pm, revision 1.72

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # Full matching style response
                      3: #
1.72    ! bisitz      4: # $Id: matchresponse.pm,v 1.71 2008/09/10 10:11:14 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).
1.72    ! bisitz     57: 	    '<tr><td>'.&Apache::lonxml::description($token)."</td>"
        !            58:            .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
        !            59: 	   .&Apache::edit::deletelist($target,$token)
        !            60:            .'</span></td>'
        !            61:            ."<td>&nbsp".&Apache::edit::end_row()
        !            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: 	$result.=&Apache::edit::select_arg('Randomize Order:','randomize',
                    106: 					   ['yes','no'],$token);
1.4       albertel  107: 	$result.=&Apache::edit::select_arg('Items Display Location:',
                    108: 					   'location',
                    109: 					   ['top','bottom','left','right'],
                    110: 					   $token);
1.51      albertel  111: 	$result.=&Apache::edit::select_arg('Items Display Directection:',
                    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: 	$table.=' \end{description}  \strut ';
1.40      sakharuk  183: 	if ($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') {
                    201: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    202: 					       ['random','top','bottom'],
                    203: 					       $token);
                    204: 	}
                    205: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.1       albertel  206:     } elsif ($target eq 'modified') {
                    207: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.3       albertel  208: 						     $safeeval,'name',
                    209: 						     'location');
1.1       albertel  210: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    211:     }
                    212:     return $result;
                    213: }
                    214: 
                    215: sub end_item {
                    216:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    217:     my $text ='';
                    218:     my $result = '';
1.30      albertel  219:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  220: 	$text=&Apache::lonxml::endredirection;
                    221:     }
                    222:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.30      albertel  223: 	$target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  224: 	my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.3       albertel  225: 	my $location=&Apache::lonxml::get_param('location',$parstack,
                    226: 						$safeeval);
1.1       albertel  227: 	&Apache::lonxml::debug("Got a name of :$name:");
1.55      albertel  228: 	if ($name eq "") { $name=$Apache::lonxml::curdepth; }
1.1       albertel  229: 	&Apache::lonxml::debug("Using a name of :$name:");
                    230: 	push @{ $Apache::response::itemgroup{'names'} }, $name;
                    231: 	$Apache::response::itemgroup{"$name.text"} = $text;
1.3       albertel  232: 	$Apache::response::itemgroup{"$name.location"} = $location;
1.1       albertel  233:     }
                    234:     if ($target eq 'edit') {
                    235: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    236:     }
                    237:     return $result;
                    238: }
                    239: 
                    240: sub insert_item {
                    241:     return '
                    242: <item name="">
                    243: <startouttext />
                    244: <endouttext />
                    245: </item>';
                    246: }
                    247: 
                    248: %Apache::response::foilgroup=();
                    249: sub start_foilgroup {
                    250:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    251:     my $result;
                    252:     %Apache::response::foilgroup=();
                    253:     $Apache::matchresponse::conceptgroup=0;
1.41      albertel  254:     &Apache::response::pushrandomnumber();
1.1       albertel  255:     if ($target eq 'edit') {
                    256: 	$result.=&Apache::edit::start_table($token)
1.72    ! bisitz    257: 	    ."<tr><td>".&mt('Collection Of Foils')."</td>"
        !           258:             .'<td><span class="LC_nobreak">'.&mt('Delete?')
1.1       albertel  259: 	    .&Apache::edit::deletelist($target,$token)
1.72    ! bisitz    260: 	    .'</span></td>'
        !           261:             ."<td>&nbsp;".&Apache::edit::end_row()
1.1       albertel  262:             .&Apache::edit::start_spanning_row()."\n";
                    263:     }
                    264:     return $result;
                    265: }
                    266: 
                    267: sub end_foilgroup {
                    268:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    269:     my $result;
1.67      foxr      270:     my $part        = $Apache::inputtags::part;
1.68      raeburn   271:     my $response_id = $Apache::inputtags::response[-1];
1.67      foxr      272: 
1.28      albertel  273:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  274: 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                    275: 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    276: 						   $safeeval,'-2');
1.5       sakharuk  277: 	if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  278: 	    $result=&displayfoils($target,$max,$randomize);
1.60      albertel  279: 	    $Apache::lonxml::post_evaluate=0;
1.1       albertel  280: 	} elsif ($target eq 'answer' ) {
                    281: 	    $result=&displayanswers($max,$randomize);
                    282: 	} elsif ( $target eq 'grade') {
                    283: 	    &grade_response($max,$randomize);
1.28      albertel  284: 	} elsif ( $target eq 'analyze') {
                    285: 	    my @shown=&whichfoils($max,$randomize);
                    286: 	    &Apache::response::analyze_store_foilgroup(\@shown,
1.29      albertel  287: 						 ['text','value','location']);
1.28      albertel  288: 	    #FIXME need to store options in some way
1.1       albertel  289: 	}
1.66      foxr      290: 	&Apache::lonxml::increment_counter(&getfoilcounts($max), 
1.67      foxr      291: 					   "$part.$response_id");
1.66      foxr      292: 	if ($target eq 'analyze') {
                    293: 	    &Apache::lonhomework::set_bubble_lines();
                    294: 	}
                    295: 
1.1       albertel  296:     } elsif ($target eq 'edit') {
                    297: 	$result=&Apache::edit::end_table();
                    298:     }
1.41      albertel  299:     &Apache::response::poprandomnumber();
1.1       albertel  300:     return $result;
1.29      albertel  301: }
                    302: 
                    303: sub whichfoils {
                    304:     my ($max,$randomize)=@_;
                    305:     return &Apache::response::whichorder(&getfoilcounts($max),
                    306: 					 $randomize,
                    307: 					 &Apache::response::showallfoils(),
                    308: 					 \%Apache::response::foilgroup);
1.1       albertel  309: }
                    310: 
                    311: sub displayanswers {
                    312:     my ($max,$randomize,@opt)=@_;
                    313:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
                    314:     my @names = @{ $Apache::response::foilgroup{'names'} };
1.18      albertel  315:     my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
                    316: 						   $randomize,
                    317: 					  &Apache::response::showallfoils(),
                    318: 					 \%Apache::response::foilgroup);
1.1       albertel  319:     my %name_letter_map;
                    320:     if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
                    321: 	%name_letter_map=
                    322: 	    %{ $Apache::response::itemgroup{'name_letter_map'} };
                    323:     }
1.56      albertel  324:     my $result;
                    325:     if ($Apache::lonhomework::type eq 'exam') {
                    326: 	my $i=0;
                    327: 	foreach my $name (@whichfoils) {
                    328: 	    $result.=&Apache::response::answer_header('matchresponse',$i++);
                    329: 	    my $value_name=$Apache::response::foilgroup{$name.'.value'};
                    330: 	    my $letter=$name_letter_map{$value_name};
                    331: 	    $result.=&Apache::response::answer_part('matchresponse',$letter);
                    332: 	    $result.=&Apache::response::answer_footer('matchresponse');
                    333: 	}
                    334:     } else {
                    335: 	$result=&Apache::response::answer_header('matchresponse');
                    336: 	foreach my $name (@whichfoils) {
                    337: 	    my $value_name=$Apache::response::foilgroup{$name.'.value'};
                    338: 	    my $letter=$name_letter_map{$value_name};
                    339: 	    $result.=&Apache::response::answer_part('matchresponse',$letter);
                    340: 	}
                    341: 	$result.=&Apache::response::answer_footer('matchresponse');
1.1       albertel  342:     }
                    343:     return $result;
                    344: }
                    345: 
                    346: 
                    347: sub grade_response {
                    348:     my ($max,$randomize)=@_;
1.18      albertel  349:     my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
                    350: 						   $randomize,
                    351: 				            &Apache::response::showallfoils(),
                    352: 				           \%Apache::response::foilgroup);
1.50      albertel  353:     if (!&Apache::response::submitted()) { return; }
1.1       albertel  354:     my %responsehash;
                    355:     my %grade;
1.33      albertel  356:     my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
1.1       albertel  357:     my %letter_name_map;
                    358:     if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
                    359: 	%letter_name_map=
                    360: 	    %{ $Apache::response::itemgroup{'letter_name_map'} };
                    361:     }
1.30      albertel  362:     my @items;
1.1       albertel  363:     foreach my $name (@whichfoils) {
1.34      albertel  364: 	my $response = &Apache::response::getresponse($temp,'letter');
1.30      albertel  365: 	push(@items,$response);
1.1       albertel  366: 	my $responsename = $letter_name_map{$response};
                    367: 	my $value=$Apache::response::foilgroup{$name.'.value'};
                    368: 	if ( $response =~ /[^\s]/) {
1.31      albertel  369: 	    $responsehash{$name}=$responsename;
1.33      albertel  370: 	    &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
1.1       albertel  371: 	    if ($value eq $responsename) {
                    372: 		$grade{$name}='1'; $right++;
                    373: 	    } else {
                    374: 		$grade{$name}='0'; $wrong++;
                    375: 	    }
                    376: 	} else {
                    377: 	    $ignored++;
                    378: 	}
                    379: 	$temp++;
                    380:     }
                    381:     my $part=$Apache::inputtags::part;
                    382:     my $id = $Apache::inputtags::response['-1'];
                    383:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
1.30      albertel  384:     my $itemstr    =&Apache::lonnet::array2str(@items);
1.1       albertel  385:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
1.30      albertel  386:     my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
1.1       albertel  387:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
                    388:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    389: 	$responsestr;
1.30      albertel  390:     $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
                    391: 	$itemstr;
1.1       albertel  392:     $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
                    393: 	$gradestr;
1.47      albertel  394:     if ($Apache::lonhomework::type eq 'survey') {
                    395: 	if ($ignored == 0) {
                    396: 	    my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
                    397: 	    &Apache::response::handle_previous(\%previous,$ad);
                    398: 	} elsif ($wrong==0 && $right==0) {
                    399: 	} else {
                    400: 	    my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
                    401: 	    &Apache::response::handle_previous(\%previous,$ad);
                    402: 	}
                    403:     } elsif (!$Apache::lonhomework::scantronmode) {
1.34      albertel  404: 	my $ad;
                    405: 	if ($wrong==0 && $ignored==0) {
                    406: 	    $ad='EXACT_ANS';
                    407: 	} elsif ($wrong==0 && $right==0) {
                    408: 	    #nothing submitted
                    409: 	} else {
                    410: 	    if ($ignored==0) {
                    411: 		$ad='INCORRECT';
                    412: 	    } else {
                    413: 		$ad='MISSING_ANSWER';
                    414: 	    }
                    415: 	}
                    416: 	$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    417: 	&Apache::response::handle_previous(\%previous,$ad);
                    418:     } else {
                    419: 	my $ad;
                    420: 	if ($wrong==0 && $right==0) {
                    421: 	    #nothing submitted
                    422: 	} else {
                    423: 	    $ad='ASSIGNED_SCORE';
                    424: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
                    425: 		$ad;
                    426: 	    $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
1.35      albertel  427: 		$right/(scalar(@whichfoils));
1.34      albertel  428: 	    $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
1.35      albertel  429: 		scalar(@whichfoils);
1.34      albertel  430: 	}
                    431:     }
1.1       albertel  432: }
                    433: 
1.64      albertel  434: sub format_prior_answer {
                    435:     my ($mode,$answer,$other_data) = @_;
                    436:     my %answer      =&Apache::lonnet::str2hash($answer);
                    437:     my $foil_order  =$other_data->[0];
                    438:     my %grading     =&Apache::lonnet::str2hash($other_data->[1]);
                    439:     my @items       =&Apache::lonnet::str2array($other_data->[2]);
                    440:     my $output;
                    441:     
                    442:     foreach my $name (@{ $foil_order }) {
                    443: 	my $item=shift(@items);
                    444: 	$output .= '<tr><td>'.$item.'</td></tr>';
                    445:     }
                    446:     return if (!defined($output));
                    447: 
                    448:     $output = '<table class="LC_prior_match">'.$output.'</table>';
                    449:     return $output;
                    450: }
                    451: 
1.4       albertel  452: sub itemdisplay {
                    453:     my ($location)=@_;
                    454:     if ($location eq 'top' &&
                    455: 	!defined($Apache::matchresponse::itemtable{'location'})) {
                    456: 	return $Apache::matchresponse::itemtable{'display'};
                    457:     }
                    458:     if ($Apache::matchresponse::itemtable{'location'} eq $location) {
                    459: 	return $Apache::matchresponse::itemtable{'display'};
                    460:     }
                    461:     return undef;
                    462: }
1.64      albertel  463: 
1.1       albertel  464: sub displayfoils {
                    465:     my ($target,$max,$randomize)=@_;
1.62      foxr      466:     my ($tabsize, $lefttabsize, $righttabsize);
                    467: 
1.1       albertel  468:     my $result;
1.4       albertel  469:     my $question;
1.18      albertel  470:     my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
                    471: 						   $randomize,
                    472: 				            &Apache::response::showallfoils(),
                    473: 				           \%Apache::response::foilgroup);
1.1       albertel  474:     my $part=$Apache::inputtags::part;
                    475:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    476:     my %letter_name_map;
                    477:     if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
                    478: 	%letter_name_map=
                    479: 	    %{ $Apache::response::itemgroup{'letter_name_map'} };
                    480:     }
                    481:     my %name_letter_map;
                    482:     if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
                    483: 	%name_letter_map=
                    484: 	    %{ $Apache::response::itemgroup{'name_letter_map'} };
                    485:     }
1.25      albertel  486:     if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1       albertel  487: 	foreach my $name (@whichfoils) {
                    488: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
                    489: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
                    490: 	    my $letter=$name_letter_map{$value};
1.5       sakharuk  491: 	    if ($target eq 'tex') {
                    492: 		$question.=' \\\\ '.$letter.':'.$text;
                    493: 	    } else {
1.53      albertel  494: 		$question.='<br /><b>'.$letter.':</b> '.$text;
1.5       sakharuk  495: 	    }
1.1       albertel  496: 	}
                    497:     } else {
                    498: 	my $i = 0;
1.36      albertel  499: 	my $temp=1;
1.1       albertel  500: 	my $id=$Apache::inputtags::response[-1];
                    501: 	my $part=$Apache::inputtags::part;
                    502: 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.9       sakharuk  503: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse);    
                    504: 	my @alphabet=('A'..'Z');
1.15      albertel  505: 	my @used_letters=sort(keys(%letter_name_map));
1.20      sakharuk  506: 	my $internal_counter=$Apache::lonxml::counter;
1.1       albertel  507: 	foreach my $name (@whichfoils) {
                    508: 	    my $lastopt=$lastresponse{$name};
                    509: 	    my $last_letter=$name_letter_map{$lastopt};
1.5       sakharuk  510: 	    my $optionlist = '';
1.7       sakharuk  511: 	    if ($target ne 'tex') {
                    512: 		$optionlist="<option></option>\n";
                    513: 	    } else {
                    514: 		if ($Apache::lonhomework::type ne 'exam') {
1.71      onken     515:                     if($env{'form.pdfFormFields'} eq 'yes') {
                    516:                         my $fieldname = $env{'request.symb'} . '&part_'. $Apache::inputtags::part .'&matchresponse'. '&HWVAL_' . $Apache::inputtags::response['-1'] . ':' . $temp . '&submit_' . $Apache::inputtags::part . '&';
                    517:                         $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
                    518:                     } else {
                    519:                         $optionlist='\framebox[10 mm][s]{\tiny\strut}';
                    520:                     }
                    521:                  }
1.7       sakharuk  522: 	    }
1.1       albertel  523: 	    my $option;
1.15      albertel  524: 	    foreach $option (@used_letters) {
1.1       albertel  525: 		if ($option eq $last_letter) {
1.71      onken     526: 		    if ($target ne 'tex') {
                    527:                         $optionlist.="<option selected=\"on\">$option</option>\n";
                    528:                     } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                    529:                         $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
                    530:                     }
1.1       albertel  531: 		} else {
1.71      onken     532: 		    if ($target ne 'tex') {
                    533:                         $optionlist.="<option>$option</option>\n";
                    534:                     } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                    535:                         $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
                    536:                     }
1.1       albertel  537: 		}
                    538: 	    }
1.19      sakharuk  539: 	    if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.61      albertel  540: 	        $optionlist='<select onchange="javascript:setSubmittedPart(\''.
                    541: 		  $part.'\');" name="HWVAL_'.
1.5       sakharuk  542: 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
                    543: 		        $optionlist."</select>\n";
                    544: 	    }
1.1       albertel  545: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
1.62      foxr      546: 	    #
                    547:             #  Factor out the tex computations of the left/right 1/2 minipage
                    548: 	    #  widths for left or right positioning.  This allows us
                    549: 	    #  to, if necessary constrain the bubble widths:
                    550: 	    #
                    551: 	    if ($target eq 'tex'   &&
                    552: 		(&itemdisplay('left') || &itemdisplay('right'))) {
                    553: 		$tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
                    554: 		($lefttabsize,$righttabsize)=(0,0);
                    555: 		if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
                    556: 		    $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
                    557: 		    $lefttabsize=$tabsize*$1/100;	
                    558: 		    $righttabsize=0.95*($tabsize-$lefttabsize);
                    559: 		} else {
                    560: 		    $tabsize=~/(\d+\.?\d*)/;
                    561: 		    $lefttabsize=$1/2.1;
                    562: 		    $righttabsize=0.95*($1-$lefttabsize);
                    563: 		}
                    564: 	    }
1.5       sakharuk  565: 	    if ($target ne 'tex') {
1.19      sakharuk  566: 		if ($Apache::lonhomework::type ne 'exam') {
1.45      albertel  567: 		    $question.="<br />\n".$optionlist.$text;
1.19      sakharuk  568: 		} else {
1.45      albertel  569: 		    $question.="<br />\n".$text;
1.19      sakharuk  570: 		}
1.6       sakharuk  571: 		if ($Apache::lonhomework::type eq 'exam') {
1.42      albertel  572: 		    my @blank;
                    573: 		    $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
1.6       sakharuk  574: 		}
                    575: 	    } else {		
1.62      foxr      576: 		# Note that if left or right positioned, we must
                    577: 		# confine the bubbles to righttabsize:
                    578: 		#
1.71      onken     579: 		if ($Apache::lonhomework::type eq 'exam' && $env{'form.pdfFormFields'} ne 'yes') {
1.6       sakharuk  580: 		    $question.=' '.$optionlist.$text."\n";
1.13      sakharuk  581: 		    my @emptyItems = ();
1.16      albertel  582: 		    for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
1.62      foxr      583: 		    $question.='\vskip -1 mm\noindent\begin{list}{}{\setlength{\listparindent}{0mm}\setlength{\leftmargin}{2mm}}'
                    584: 			.'\item \hskip -3mm \textbf{'.$internal_counter.'}';
                    585: 		    if (&itemdisplay('left') || &itemdisplay('right')) {
                    586: 			$question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems, "", $righttabsize);
                    587: 		    }
                    588: 		    else {
                    589: 			$question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems);
                    590: 		    }
                    591: 		    $question .= '\end{list} \vskip -8 mm \strut ';
1.20      sakharuk  592: 		    $internal_counter++;
1.6       sakharuk  593: 	        } else {
1.71      onken     594:                     if($env{'form.pdfFormFields'} eq 'yes') {
                    595:                         $question .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut';
                    596:                     } else {
                    597:                         $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
                    598:                     }
1.6       sakharuk  599: 		}
1.5       sakharuk  600:             } 
1.1       albertel  601: 	    $temp++;
                    602: 	}
1.4       albertel  603:     }
                    604:     if ($result=&itemdisplay('top')) {
                    605: 	$result.=$question;
                    606:     } elsif ($result=&itemdisplay('bottom')) {
                    607: 	$result=$question.$result;
                    608:     } elsif ($result=&itemdisplay('right')) {
1.32      sakharuk  609: 	if ($target ne 'tex') {
1.45      albertel  610: 	    #remove the first <br />
                    611: 	    $question=~s|<br />||;
                    612: 	    $result='<table><tr><td valign="top">'.$question.
                    613: 		'</td><td valign="top">'.$result.'</td></tr></table>';
1.32      sakharuk  614: 	} else {
1.43      sakharuk  615: 	    $lefttabsize.=' mm ';
                    616: 	    $righttabsize.=' mm ';
                    617: 	    $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
1.32      sakharuk  618: 	}
1.4       albertel  619:     } elsif ($result=&itemdisplay('left')) {
1.32      sakharuk  620: 	if ($target ne 'tex') {
1.45      albertel  621: 	    #remove the first <br />
                    622: 	    $question=~s|<br />||;
                    623: 	    $result='<table><tr><td valign="top">'.$result.
                    624: 		'</td><td valign="top">'.$question.'</td></tr></table>';
1.32      sakharuk  625: 	} else {
1.43      sakharuk  626: 	    $lefttabsize.=' mm ';
                    627: 	    $righttabsize.=' mm ';
                    628: 	    $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
1.32      sakharuk  629: 	}
1.1       albertel  630:     }
1.64      albertel  631:     if ($target eq 'web') {
                    632: 	&Apache::response::setup_prior_tries_hash(\&format_prior_answer,
                    633: 						  [\@whichfoils,
                    634: 						   'submissiongrading',
                    635: 						   'submissionitems']);
                    636:     }
1.5       sakharuk  637:     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
1.1       albertel  638:     return $result;
                    639: }
                    640: 
                    641: sub getfoilcounts {
                    642:     my ($max)=@_;
                    643:     # +1 since instructors will count from 1
                    644:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
                    645:     if (&Apache::response::showallfoils()) { $max=$count; }
                    646:     if ($count>$max) { $count=$max } 
                    647:     &Apache::lonxml::debug("Count is $count from $max");
                    648:     return $count;
                    649: }
                    650: 
                    651: 
                    652: sub start_conceptgroup {
                    653:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    654:     $Apache::matchresponse::conceptgroup=1;
                    655:     %Apache::response::conceptgroup=();
                    656:     my $result;
                    657:     if ($target eq 'edit') {
                    658: 	$result.=&Apache::edit::tag_start($target,$token,
                    659: 					  "Concept Grouped Foils");
                    660: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    661: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    662:     }
                    663:     if ($target eq 'modified') {
                    664: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    665: 						     $safeeval,'concept');
                    666: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    667:     }
                    668:     return $result;
                    669: }
                    670: 
                    671: sub end_conceptgroup {
                    672:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    673:     $Apache::matchresponse::conceptgroup=0;
                    674:     my $result='';
1.28      albertel  675:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    676: 	$target eq 'tex' || $target eq 'analyze') {
                    677: 	&Apache::response::pick_foil_for_concept($target,
                    678: 						 ['value','text','location'],
                    679: 						 \%Apache::hint::match,
                    680: 						 $parstack,$safeeval);
1.1       albertel  681:     } elsif ($target eq 'edit') {
                    682: 	$result=&Apache::edit::end_table();
                    683:     }
                    684:     return $result;
                    685: }
                    686: 
                    687: sub insert_conceptgroup {
                    688:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    689:     return $result;
                    690: }
                    691: 
                    692: sub start_foil {
                    693:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    694:     my $result='';
1.28      albertel  695:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  696: 	&Apache::lonxml::startredirection;
1.46      albertel  697: 	if ($target eq 'analyze') {
                    698: 	    &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
                    699: 	}
1.1       albertel  700:     } elsif ($target eq 'edit') {
                    701: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
                    702: 	my $level='-2';
                    703: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
                    704: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    705: 	my @names;
                    706: 	if (defined(@{ $Apache::response::itemgroup{'names'} })) {
                    707: 	    @names=@{ $Apache::response::itemgroup{'names'} };
                    708: 	}
                    709: 	$result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
                    710: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    711: 						 $safeeval,'-3');
                    712: 	if ($randomize ne 'no') {
                    713: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    714: 					     ['random','top','bottom'],$token);
                    715: 	}
                    716: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    717:     } elsif ($target eq 'modified') {
                    718: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    719: 						     $safeeval,'value',
                    720: 						     'name','location');
                    721: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    722:     }
                    723:     return $result;
                    724: }
                    725: 
                    726: sub end_foil {
                    727:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    728:     my $text ='';
                    729:     my $result = '';
1.28      albertel  730:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  731: 	$text=&Apache::lonxml::endredirection;
                    732:     }
1.48      albertel  733: 
1.28      albertel  734:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    735: 	$target eq 'tex' || $target eq 'analyze') {
1.48      albertel  736: 	if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
                    737: 	    $text='\vskip 5mm $\triangleright$ '.$text;
                    738: 	}
1.1       albertel  739: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
                    740: 	if ($value ne 'unused') {
                    741: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    742: 	    &Apache::lonxml::debug("Got a name of :$name:");
1.49      albertel  743: 	    if (!$name) {
1.70      bisitz    744: 		&Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.49      albertel  745: 		$name=$Apache::lonxml::curdepth;
                    746: 	    }
1.1       albertel  747: 	    &Apache::lonxml::debug("Using a name of :$name:");
1.37      albertel  748: 	    if (defined($Apache::response::foilnames{$name})) {
1.70      bisitz    749: 		&Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
1.37      albertel  750: 	    }
1.38      albertel  751: 	    $Apache::response::foilnames{$name}++;
1.37      albertel  752: 	    my $location =&Apache::lonxml::get_param('location',$parstack,
                    753: 						     $safeeval);
1.1       albertel  754: 	    if ( $Apache::matchresponse::conceptgroup
                    755: 		 && !&Apache::response::showallfoils() ) {
                    756: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    757: 		$Apache::response::conceptgroup{"$name.value"} = $value;
1.48      albertel  758: 		$Apache::response::conceptgroup{"$name.text"} = $text;
1.1       albertel  759: 		$Apache::response::conceptgroup{"$name.location"} = $location;
                    760: 	    } else {
                    761: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
                    762: 		$Apache::response::foilgroup{"$name.value"} = $value;
1.48      albertel  763: 		$Apache::response::foilgroup{"$name.text"} = $text;
1.1       albertel  764: 		$Apache::response::foilgroup{"$name.location"} = $location;
                    765: 	    }
                    766: 	}
                    767:     }
                    768:     if ($target eq 'edit') {
                    769: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    770:     }
                    771:     return $result;
                    772: }
                    773: 
                    774: sub insert_foil {
                    775:     return '
                    776: <foil name="" value="unused">
                    777: <startouttext />
                    778: <endouttext />
                    779: </foil>';
                    780: }
                    781: 1;
                    782: __END__

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