Annotation of loncom/homework/rankresponse.pm, revision 1.38

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # rank style response
                      3: #
1.38    ! albertel    4: # $Id: rankresponse.pm,v 1.37 2004/09/03 18:35:52 albertel Exp $
1.1       albertel    5: # Copyright Michigan State University Board of Trustees
                      6: #
                      7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      8: #
                      9: # LON-CAPA is free software; you can redistribute it and/or modify
                     10: # it under the terms of the GNU General Public License as published by
                     11: # the Free Software Foundation; either version 2 of the License, or
                     12: # (at your option) any later version.
                     13: #
                     14: # LON-CAPA is distributed in the hope that it will be useful,
                     15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     17: # GNU General Public License for more details.
                     18: #
                     19: # You should have received a copy of the GNU General Public License
                     20: # along with LON-CAPA; if not, write to the Free Software
                     21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     22: #
                     23: # /home/httpd/html/adm/gpl.txt
                     24: #
                     25: # http://www.lon-capa.org/
                     26: #
                     27: 
                     28: package Apache::rankresponse;
                     29: use strict;
                     30: use HTML::Entities();
1.30      albertel   31: use Apache::optionresponse();
                     32: use Apache::lonlocal;
1.1       albertel   33: 
                     34: BEGIN {
                     35:     &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
                     36: }
                     37: 
                     38: sub start_rankresponse {
                     39:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     40:     my $result;
                     41:     #when in a rank response use these
                     42:     &Apache::lonxml::register('Apache::rankresponse',
                     43: 			      ('foilgroup','foil','conceptgroup'));
                     44:     push (@Apache::lonxml::namespace,'rankresponse');
                     45:     my $id = &Apache::response::start_response($parstack,$safeeval);
                     46:     %Apache::hint::rank=();
1.30      albertel   47:     undef(%Apache::response::foilnames);
1.1       albertel   48:     if ($target eq 'meta') {
                     49: 	$result=&Apache::response::meta_package_write('rankresponse');
                     50:     } elsif ($target eq 'edit' ) {
                     51: 	$result.=&Apache::edit::start_table($token).
                     52: 	    '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
                     53: 	    &Apache::edit::deletelist($target,$token)
                     54: 	    ."</td><td>&nbsp".&Apache::edit::end_row()
                     55: 	    .&Apache::edit::start_spanning_row();
                     56: 	
                     57: 	$result.=
                     58: 	    &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
                     59: 	    &Apache::edit::select_arg('Randomize Foil Order','randomize',
                     60: 				      ['yes','no'],$token).
                     61: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
                     62:     } elsif ($target eq 'modified') {
                     63: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                     64: 						     $safeeval,'max',
                     65: 						     'randomize');
                     66: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.25      albertel   67:     } elsif ($target eq 'analyze') {
                     68: 	my $part_id="$Apache::inputtags::part.$id";
                     69: 	push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.1       albertel   70:     }
                     71:     return $result;
                     72: }
                     73: 
                     74: sub end_rankresponse {
                     75:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     76:     my $result;
                     77:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
                     78:     &Apache::response::end_response;
                     79:     pop @Apache::lonxml::namespace;
                     80:     &Apache::lonxml::deregister('Apache::rankresponse',
                     81: 				('foilgroup','foil','conceptgroup'));
1.30      albertel   82:     undef(%Apache::response::foilnames);
1.1       albertel   83:     return $result;
                     84: }
                     85: 
                     86: %Apache::response::foilgroup=();
                     87: sub start_foilgroup {
                     88:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     89:     my $result;
                     90:     %Apache::response::foilgroup=();
                     91:     $Apache::rankresponse::conceptgroup=0;
1.34      albertel   92:     &Apache::response::pushrandomnumber();
1.1       albertel   93:     return $result;
                     94: }
                     95: 
                     96: sub end_foilgroup {
                     97:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     98:     my $result;
1.26      albertel   99:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
                    100: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  101: 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                    102: 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    103: 						   $safeeval,'-2');
                    104: 	my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
                    105: 	if (!defined($tol)) { $tol=0; }
1.3       sakharuk  106: 	if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  107: 	    $result=&displayfoils($target,$max,$randomize,$tol);
                    108: 	} elsif ($target eq 'answer' ) {
                    109: 	    $result=&displayanswers($max,$randomize,$tol);
                    110: 	} elsif ( $target eq 'grade') {
                    111: 	    &grade_response($max,$randomize,$tol);
1.25      albertel  112: 	} elsif ( $target eq 'analyze') {
                    113: 	    my @shown = &whichfoils($max,$randomize);
                    114: 	    &Apache::response::analyze_store_foilgroup(\@shown,
1.26      albertel  115: 						  ['text','value','location']);
1.1       albertel  116: 	}
1.24      sakharuk  117: 	&Apache::lonxml::increment_counter(&getfoilcounts($max));
1.14      albertel  118:     } elsif ($target eq 'edit') {
                    119: 	$result=&Apache::edit::end_table();
1.1       albertel  120:     }
1.34      albertel  121:     &Apache::response::poprandomnumber();
1.1       albertel  122:     return $result;
                    123: }
                    124: 
                    125: sub get_correct_order {
                    126:     my ($tol,@foils) =@_;
                    127:     my @correctorder;
                    128:     my @value_names;
                    129:     foreach my $name (@foils) {
                    130: 	my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
                    131: 	push(@value_names,\@pair);
                    132:     }
                    133:     @value_names =
                    134: 	sort {
1.17      albertel  135: 	    if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
1.1       albertel  136: 	    return 0;
                    137: 	} @value_names;
                    138:     my @value_names_tmp=@value_names;
                    139:     my $firstpair=shift(@value_names_tmp);
                    140:     my $order=1;
                    141:     my %order;
                    142:     my $count=1;
                    143:     my $lastvalue=$firstpair->[0];
                    144:     $order{$firstpair->[1]}=$order;
                    145:     foreach my $pair (@value_names_tmp) {
                    146: 	$count++;
                    147: 	if (abs($pair->[0]-$lastvalue) > $tol ) {
                    148: 	    $order=$count;
                    149: 	}
                    150: 	$order{$pair->[1]}=$order;
                    151: 	$lastvalue=$pair->[0];
                    152:     }
                    153:     foreach my $name (@foils) {
                    154: 	push(@correctorder,$order{$name});
                    155:     }
                    156:     &Apache::lonhomework::showhash('b' => \@value_names);
                    157:     &Apache::lonhomework::showhash('b' => \@correctorder);
                    158:     return @correctorder;
                    159: }
                    160: 
                    161: sub displayanswers {
                    162:     my ($max,$randomize,$tol,@opt)=@_;
                    163:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
                    164:     my @names = @{ $Apache::response::foilgroup{'names'} };
                    165:     my @whichfoils = &whichfoils($max,$randomize);
                    166:     my $result=&Apache::response::answer_header('rankresponse');
                    167:     my @correctorder=&get_correct_order($tol,@whichfoils);
                    168:     foreach my $order (@correctorder) {
                    169: 	$result.=&Apache::response::answer_part('rankresponse',$order);
                    170:     }
                    171:     $result.=&Apache::response::answer_footer('rankresponse');
                    172:     return $result;
                    173: }
                    174: 
                    175: sub check_response_order {
                    176:     my (%responsehash)=@_;
                    177:     my @order=sort(values(%responsehash));
                    178:     my $lastvalue=0;
                    179:     my $expected=1;
                    180:     my $malformed=0;
                    181:     foreach my $current (@order) {
                    182: 	&Apache::lonxml::debug("$lastvalue $expected $malformed");
                    183: 	if (!($current == $lastvalue || $current == $expected)) {
                    184: 	    $malformed=1;
                    185: 	}
                    186: 	$expected++;
                    187: 	$lastvalue=$current;
                    188:     }
                    189:     return $malformed;
                    190: }
                    191: 
                    192: sub grade_response {
                    193:     my ($max,$randomize,$tol)=@_;
                    194:     my (@whichfoils)=&whichfoils($max,$randomize);
                    195:     if (!defined($ENV{'form.submitted'})) { return; }
                    196:     my %responsehash;
                    197:     my %grade;
1.28      albertel  198:     my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
1.1       albertel  199:     my @correctorder=&get_correct_order($tol,@whichfoils);
                    200:     foreach my $name (@whichfoils) {
1.38    ! albertel  201: 	my $response = &Apache::response::getresponse($temp,'A is 1');
1.1       albertel  202: 	my $value=shift(@correctorder);
                    203: 	if ( $response =~ /[^\s]/) {
1.27      albertel  204: 	    $responsehash{$name}=$response;
1.1       albertel  205: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
                    206: 	    if ($value eq $response) {
                    207: 		$grade{$name}='1'; $right++;
                    208: 	    } else {
                    209: 		$grade{$name}='0'; $wrong++;
                    210: 	    }
                    211: 	} else {
                    212: 	    $ignored++;
                    213: 	}
                    214: 	$temp++;
                    215:     }
                    216:     my $malformed=&check_response_order(%responsehash);
                    217:     my $part=$Apache::inputtags::part;
                    218:     my $id = $Apache::inputtags::response['-1'];
                    219:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    220:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
                    221:     my %previous=&Apache::response::check_for_previous($responsestr,
                    222: 						       $part,$id);
                    223:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
                    224:     my $ad;
                    225:     if ($malformed) {
                    226: 	$ad='MISORDERED_RANK';
                    227:     } elsif ($wrong==0 && $ignored==0) {
                    228: 	$ad='EXACT_ANS';
                    229:     } elsif ($wrong==0 && $right==0) {
                    230: 	#nothing submitted
                    231:     } else {
                    232: 	if ($ignored==0) {
                    233: 	    $ad='INCORRECT';
                    234: 	} else {
                    235: 	    $ad='MISSING_ANSWER';
                    236: 	}
                    237:     }
                    238:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    239: 	$responsestr;
                    240:     $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    241:     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    242:     &Apache::response::handle_previous(\%previous,$ad);
                    243: }
                    244: 
                    245: sub displayfoils {
                    246:     my ($target,$max,$randomize,$tol)=@_;
                    247:     my $result;
1.4       sakharuk  248:     my @alphabet=('A'..'Z');
1.1       albertel  249:     my (@whichfoils)=&whichfoils($max,$randomize);
                    250:     my $part=$Apache::inputtags::part;
                    251:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    252:     my @whichopt=(1..($#whichfoils+1));
                    253:     my @correctorder=&get_correct_order($tol,@whichfoils);
1.20      sakharuk  254:     if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1       albertel  255: 	foreach my $name (@whichfoils) {
                    256: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
                    257: 	    my $value=shift(@correctorder);
1.19      sakharuk  258: 	    if ($target eq 'web') {$result.='<br />';} else {$result.=' \strut\\\\\strut ';}
                    259: 	    $result.=$value.':'.$text;
1.1       albertel  260: 	}
                    261:     } else {
                    262: 	my $i = 0;
1.29      albertel  263: 	my $temp=1;
1.1       albertel  264: 	my $id=$Apache::inputtags::response[-1];
                    265: 	my $part=$Apache::inputtags::part;
                    266: 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.5       sakharuk  267: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 
                    268: 	my @alp = splice @alphabet, 0, $#whichopt + 1;
1.15      sakharuk  269: 	my $internal_counter=$Apache::lonxml::counter;
1.1       albertel  270: 	foreach my $name (@whichfoils) {
                    271: 	    my $lastopt=$lastresponse{$name};
1.3       sakharuk  272: 	    my $optionlist='';
                    273: 	    if ($target ne 'tex') {$optionlist="<option></option>\n";}
1.1       albertel  274: 	    my $option;
                    275: 	    foreach $option (@whichopt) {
                    276: 		if ($option eq $lastopt) {
1.3       sakharuk  277: 		    if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
1.1       albertel  278: 		} else {
1.3       sakharuk  279: 		    if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
1.1       albertel  280: 		}
                    281: 	    }
1.12      sakharuk  282: 	    if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.3       sakharuk  283: 		$optionlist='<select name="HWVAL_'.
                    284: 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
                    285: 		        $optionlist."</select>\n";
                    286: 	    } else {
                    287: 		$optionlist=' '.$temp.' '.$optionlist.' ';
                    288: 	    }
1.1       albertel  289: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
1.3       sakharuk  290: 	    if ($target ne 'tex') {
1.12      sakharuk  291: 		if ($Apache::lonhomework::type ne 'exam') {
                    292: 		    $result.='<br />'.$optionlist.$text."\n";
                    293: 		} else {
                    294: 		    $result.='<br />'.$text."\n";
                    295: 		}
1.4       sakharuk  296: 		if ($Apache::lonhomework::type eq 'exam') {
1.22      albertel  297: 		    my @values=(1..scalar(@whichopt));
                    298: 		    $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
1.4       sakharuk  299: 		}
                    300: 	    } else {
                    301: 		if ($Apache::lonhomework::type eq 'exam') {
1.33      sakharuk  302: 		    $result.='\vskip 0 mm   '.$text.' \vskip 0 mm '."\n";
1.36      albertel  303: 		    $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse').'\end{enumerate} \vskip -8 mm \strut ';
1.15      sakharuk  304: 		    $internal_counter++;
1.4       sakharuk  305: 		} else {
1.16      sakharuk  306: 		    $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
1.4       sakharuk  307: 		}
                    308: 	    }
1.1       albertel  309: 	    $temp++;
                    310: 	}
                    311:     }
1.5       sakharuk  312:     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
1.1       albertel  313:     return $result;
                    314: }
                    315: 
                    316: sub getfoilcounts {
                    317:     my ($max)=@_;
                    318:     # +1 since instructors will count from 1
                    319:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
                    320:     if (&Apache::response::showallfoils()) { $max=$count; }
                    321:     if ($count>$max) { $count=$max } 
                    322:     &Apache::lonxml::debug("Count is $count from $max");
                    323:     return $count;
                    324: }
                    325: 
                    326: sub whichfoils {
                    327:     my ($max,$randomize)=@_;
1.13      albertel  328:     return &Apache::response::whichorder($max,$randomize,
                    329: 					 &Apache::response::showallfoils(),
                    330: 					 \%Apache::response::foilgroup);
1.1       albertel  331: }
                    332: 
                    333: sub start_conceptgroup {
                    334:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    335:     $Apache::rankresponse::conceptgroup=1;
                    336:     %Apache::response::conceptgroup=();
                    337:     my $result;
                    338:     if ($target eq 'edit') {
                    339: 	$result.=&Apache::edit::tag_start($target,$token,
                    340: 					  "Concept Grouped Foils");
                    341: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    342: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    343:     }
                    344:     if ($target eq 'modified') {
                    345: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    346: 						     $safeeval,'concept');
                    347: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    348:     }
                    349:     return $result;
                    350: }
                    351: 
                    352: sub end_conceptgroup {
                    353:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    354:     $Apache::rankresponse::conceptgroup=0;
                    355:     my $result='';
1.25      albertel  356:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    357: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  358: 	#if not there aren't any foils to display and thus no question
1.25      albertel  359: 	&Apache::response::pick_foil_for_concept($target,
                    360: 						 ['value','text','location'],
                    361: 						 \%Apache::hint::rank,
                    362: 						 $parstack,$safeeval);
1.1       albertel  363:     } elsif ($target eq 'edit') {
                    364: 	$result=&Apache::edit::end_table();
                    365:     }
                    366:     return $result;
                    367: }
                    368: 
                    369: sub insert_conceptgroup {
                    370:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    371:     return $result;
                    372: }
                    373: 
                    374: sub start_foil {
                    375:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    376:     my $result='';
1.25      albertel  377:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  378: 	&Apache::lonxml::startredirection;
                    379:     } elsif ($target eq 'edit') {
                    380: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
                    381: 	my $level='-2';
                    382: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
                    383: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    384: 	$result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
                    385: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    386: 						 $safeeval,'-3');
                    387: 	if ($randomize ne 'no') {
                    388: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    389: 					     ['random','top','bottom'],$token);
                    390: 	}
                    391: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    392:     } elsif ($target eq 'modified') {
                    393: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    394: 						     $safeeval,'value',
                    395: 						     'name','location');
                    396: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    397:     }
                    398:     return $result;
                    399: }
                    400: 
                    401: sub end_foil {
                    402:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    403:     my $text ='';
                    404:     my $result = '';
1.25      albertel  405:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  406: 	$text=&Apache::lonxml::endredirection;
                    407:     }
1.25      albertel  408:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    409: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  410: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
                    411: 	if ($value ne 'unused') {
                    412: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    413: 	    &Apache::lonxml::debug("Got a name of :$name:");
                    414: 	    if (!$name) { $name=$Apache::lonxml::curdepth; }
                    415: 	    &Apache::lonxml::debug("Using a name of :$name:");
1.30      albertel  416: 	    if (defined($Apache::response::foilnames{$name})) {
                    417: 		&Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
                    418: 	    }
1.31      albertel  419: 	    $Apache::response::foilnames{$name}++;
1.30      albertel  420: 	    my $location =&Apache::lonxml::get_param('location',$parstack,
                    421: 						     $safeeval);
1.1       albertel  422: 	    if ( $Apache::rankresponse::conceptgroup
                    423: 		 && !&Apache::response::showallfoils() ) {
                    424: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    425: 		$Apache::response::conceptgroup{"$name.value"} = $value;
1.11      sakharuk  426: 		if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
1.9       sakharuk  427: 		    $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
                    428: 		} else {
                    429: 		    $Apache::response::conceptgroup{"$name.text"} = $text;
                    430: 		}
1.1       albertel  431: 		$Apache::response::conceptgroup{"$name.location"} = $location;
                    432: 	    } else {
                    433: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
                    434: 		$Apache::response::foilgroup{"$name.value"} = $value;
1.10      albertel  435: 		if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
1.9       sakharuk  436: 		    $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
                    437: 		} else {
1.11      sakharuk  438: 		    if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
1.9       sakharuk  439: 			$Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
                    440: 		    } else {
                    441: 			$Apache::response::foilgroup{"$name.text"} = $text;
                    442: 		    } 
                    443: 		}
1.1       albertel  444: 		$Apache::response::foilgroup{"$name.location"} = $location;
                    445: 	    }
                    446: 	}
                    447:     }
                    448:     if ($target eq 'edit') {
                    449: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    450:     }
                    451:     return $result;
                    452: }
                    453: 
                    454: sub insert_foil {
                    455:     return '
                    456: <foil name="" value="unused">
                    457: <startouttext />
                    458: <endouttext />
                    459: </foil>';
                    460: }
                    461: 1;
                    462: __END__

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