Annotation of loncom/homework/rankresponse.pm, revision 1.49

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # rank style response
                      3: #
1.49    ! albertel    4: # $Id: rankresponse.pm,v 1.48 2005/06/22 12:03:23 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']);
1.41      albertel  116: 	    my $part_id=
                    117: 		"$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    118: 	    $Apache::lonhomework::analyze{"$part_id.tol"}=$tol;
1.1       albertel  119: 	}
1.24      sakharuk  120: 	&Apache::lonxml::increment_counter(&getfoilcounts($max));
1.14      albertel  121:     } elsif ($target eq 'edit') {
                    122: 	$result=&Apache::edit::end_table();
1.1       albertel  123:     }
1.34      albertel  124:     &Apache::response::poprandomnumber();
1.1       albertel  125:     return $result;
                    126: }
                    127: 
                    128: sub get_correct_order {
                    129:     my ($tol,@foils) =@_;
                    130:     my @correctorder;
                    131:     my @value_names;
                    132:     foreach my $name (@foils) {
                    133: 	my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
                    134: 	push(@value_names,\@pair);
                    135:     }
                    136:     @value_names =
                    137: 	sort {
1.17      albertel  138: 	    if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
1.1       albertel  139: 	    return 0;
                    140: 	} @value_names;
                    141:     my @value_names_tmp=@value_names;
                    142:     my $firstpair=shift(@value_names_tmp);
                    143:     my $order=1;
                    144:     my %order;
                    145:     my $count=1;
                    146:     my $lastvalue=$firstpair->[0];
                    147:     $order{$firstpair->[1]}=$order;
                    148:     foreach my $pair (@value_names_tmp) {
                    149: 	$count++;
                    150: 	if (abs($pair->[0]-$lastvalue) > $tol ) {
                    151: 	    $order=$count;
                    152: 	}
                    153: 	$order{$pair->[1]}=$order;
                    154: 	$lastvalue=$pair->[0];
                    155:     }
                    156:     foreach my $name (@foils) {
                    157: 	push(@correctorder,$order{$name});
                    158:     }
                    159:     &Apache::lonhomework::showhash('b' => \@value_names);
                    160:     &Apache::lonhomework::showhash('b' => \@correctorder);
                    161:     return @correctorder;
                    162: }
                    163: 
                    164: sub displayanswers {
                    165:     my ($max,$randomize,$tol,@opt)=@_;
                    166:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
                    167:     my @names = @{ $Apache::response::foilgroup{'names'} };
                    168:     my @whichfoils = &whichfoils($max,$randomize);
                    169:     my @correctorder=&get_correct_order($tol,@whichfoils);
1.49    ! albertel  170:     my $result;
        !           171:     if ($Apache::lonhomework::type eq 'exam') {
        !           172: 	my @alphabet = ('A'..'Z');
        !           173: 	my $i=0;
        !           174: 	foreach my $order (@correctorder) {
        !           175: 	    $result.=&Apache::response::answer_header('rankresponse',$i++);
        !           176: 	    $result.=&Apache::response::answer_part('rankresponse',
        !           177: 						    $alphabet[$order-1]);
        !           178: 	    $result.=&Apache::response::answer_part('rankresponse',$order);
        !           179: 	    $result.=&Apache::response::answer_footer('rankresponse');
        !           180: 	}
        !           181:     } else {
        !           182: 	$result=&Apache::response::answer_header('rankresponse');
        !           183: 	foreach my $order (@correctorder) {
        !           184: 	    $result.=&Apache::response::answer_part('rankresponse',$order);
        !           185: 	}
        !           186: 	$result.=&Apache::response::answer_footer('rankresponse');
1.1       albertel  187:     }
                    188:     return $result;
                    189: }
                    190: 
                    191: sub check_response_order {
                    192:     my (%responsehash)=@_;
1.45      albertel  193:     my @order=sort( {$a <=> $b} values(%responsehash));
1.1       albertel  194:     my $lastvalue=0;
                    195:     my $expected=1;
                    196:     my $malformed=0;
                    197:     foreach my $current (@order) {
                    198: 	&Apache::lonxml::debug("$lastvalue $expected $malformed");
                    199: 	if (!($current == $lastvalue || $current == $expected)) {
                    200: 	    $malformed=1;
                    201: 	}
                    202: 	$expected++;
                    203: 	$lastvalue=$current;
                    204:     }
                    205:     return $malformed;
                    206: }
                    207: 
                    208: sub grade_response {
                    209:     my ($max,$randomize,$tol)=@_;
                    210:     my (@whichfoils)=&whichfoils($max,$randomize);
1.44      albertel  211:     if (!&Apache::response::submitted()) { return; }
1.1       albertel  212:     my %responsehash;
                    213:     my %grade;
1.28      albertel  214:     my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
1.1       albertel  215:     my @correctorder=&get_correct_order($tol,@whichfoils);
                    216:     foreach my $name (@whichfoils) {
1.38      albertel  217: 	my $response = &Apache::response::getresponse($temp,'A is 1');
1.1       albertel  218: 	my $value=shift(@correctorder);
                    219: 	if ( $response =~ /[^\s]/) {
1.27      albertel  220: 	    $responsehash{$name}=$response;
1.1       albertel  221: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
                    222: 	    if ($value eq $response) {
                    223: 		$grade{$name}='1'; $right++;
                    224: 	    } else {
                    225: 		$grade{$name}='0'; $wrong++;
                    226: 	    }
                    227: 	} else {
                    228: 	    $ignored++;
                    229: 	}
                    230: 	$temp++;
                    231:     }
                    232:     my $malformed=&check_response_order(%responsehash);
                    233:     my $part=$Apache::inputtags::part;
                    234:     my $id = $Apache::inputtags::response['-1'];
                    235:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    236:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
                    237:     my %previous=&Apache::response::check_for_previous($responsestr,
                    238: 						       $part,$id);
                    239:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
                    240:     my $ad;
                    241:     if ($malformed) {
                    242: 	$ad='MISORDERED_RANK';
                    243:     } elsif ($wrong==0 && $ignored==0) {
                    244: 	$ad='EXACT_ANS';
                    245:     } elsif ($wrong==0 && $right==0) {
                    246: 	#nothing submitted
                    247:     } else {
                    248: 	if ($ignored==0) {
                    249: 	    $ad='INCORRECT';
                    250: 	} else {
                    251: 	    $ad='MISSING_ANSWER';
                    252: 	}
                    253:     }
1.40      albertel  254:     if ($Apache::lonhomework::type eq 'survey' &&
                    255: 	($ad eq 'INCORRECT' || $ad eq 'EXACT_ANS') ) {
                    256: 	$ad='SUBMITTED';
                    257:     } else {
                    258: 	$Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    259:     }
1.1       albertel  260:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    261: 	$responsestr;
                    262:     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    263:     &Apache::response::handle_previous(\%previous,$ad);
                    264: }
                    265: 
                    266: sub displayfoils {
                    267:     my ($target,$max,$randomize,$tol)=@_;
                    268:     my $result;
1.4       sakharuk  269:     my @alphabet=('A'..'Z');
1.1       albertel  270:     my (@whichfoils)=&whichfoils($max,$randomize);
                    271:     my $part=$Apache::inputtags::part;
                    272:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    273:     my @whichopt=(1..($#whichfoils+1));
                    274:     my @correctorder=&get_correct_order($tol,@whichfoils);
1.20      sakharuk  275:     if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1       albertel  276: 	foreach my $name (@whichfoils) {
                    277: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
                    278: 	    my $value=shift(@correctorder);
1.46      albertel  279: 	    if ($target eq 'web') {
                    280: 		$result.='<br /><b>'.$value.':</b> '.$text;
                    281: 	    } else {
                    282: 		$result.=' \strut\\\\\strut '.$value.':'.$text;
                    283: 	    }
1.1       albertel  284: 	}
                    285:     } else {
                    286: 	my $i = 0;
1.29      albertel  287: 	my $temp=1;
1.1       albertel  288: 	my $id=$Apache::inputtags::response[-1];
                    289: 	my $part=$Apache::inputtags::part;
                    290: 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.5       sakharuk  291: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 
                    292: 	my @alp = splice @alphabet, 0, $#whichopt + 1;
1.15      sakharuk  293: 	my $internal_counter=$Apache::lonxml::counter;
1.1       albertel  294: 	foreach my $name (@whichfoils) {
                    295: 	    my $lastopt=$lastresponse{$name};
1.3       sakharuk  296: 	    my $optionlist='';
                    297: 	    if ($target ne 'tex') {$optionlist="<option></option>\n";}
1.1       albertel  298: 	    my $option;
                    299: 	    foreach $option (@whichopt) {
                    300: 		if ($option eq $lastopt) {
1.3       sakharuk  301: 		    if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
1.1       albertel  302: 		} else {
1.3       sakharuk  303: 		    if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
1.1       albertel  304: 		}
                    305: 	    }
1.12      sakharuk  306: 	    if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.3       sakharuk  307: 		$optionlist='<select name="HWVAL_'.
                    308: 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
                    309: 		        $optionlist."</select>\n";
                    310: 	    } else {
                    311: 		$optionlist=' '.$temp.' '.$optionlist.' ';
                    312: 	    }
1.1       albertel  313: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
1.3       sakharuk  314: 	    if ($target ne 'tex') {
1.12      sakharuk  315: 		if ($Apache::lonhomework::type ne 'exam') {
                    316: 		    $result.='<br />'.$optionlist.$text."\n";
                    317: 		} else {
                    318: 		    $result.='<br />'.$text."\n";
                    319: 		}
1.4       sakharuk  320: 		if ($Apache::lonhomework::type eq 'exam') {
1.22      albertel  321: 		    my @values=(1..scalar(@whichopt));
                    322: 		    $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
1.4       sakharuk  323: 		}
                    324: 	    } else {
                    325: 		if ($Apache::lonhomework::type eq 'exam') {
1.33      sakharuk  326: 		    $result.='\vskip 0 mm   '.$text.' \vskip 0 mm '."\n";
1.36      albertel  327: 		    $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse').'\end{enumerate} \vskip -8 mm \strut ';
1.15      sakharuk  328: 		    $internal_counter++;
1.4       sakharuk  329: 		} else {
1.16      sakharuk  330: 		    $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
1.4       sakharuk  331: 		}
                    332: 	    }
1.1       albertel  333: 	    $temp++;
                    334: 	}
                    335:     }
1.5       sakharuk  336:     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
1.1       albertel  337:     return $result;
                    338: }
                    339: 
                    340: sub getfoilcounts {
                    341:     my ($max)=@_;
                    342:     # +1 since instructors will count from 1
                    343:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
                    344:     if (&Apache::response::showallfoils()) { $max=$count; }
                    345:     if ($count>$max) { $count=$max } 
                    346:     &Apache::lonxml::debug("Count is $count from $max");
                    347:     return $count;
                    348: }
                    349: 
                    350: sub whichfoils {
                    351:     my ($max,$randomize)=@_;
1.13      albertel  352:     return &Apache::response::whichorder($max,$randomize,
                    353: 					 &Apache::response::showallfoils(),
                    354: 					 \%Apache::response::foilgroup);
1.1       albertel  355: }
                    356: 
                    357: sub start_conceptgroup {
                    358:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    359:     $Apache::rankresponse::conceptgroup=1;
                    360:     %Apache::response::conceptgroup=();
                    361:     my $result;
                    362:     if ($target eq 'edit') {
                    363: 	$result.=&Apache::edit::tag_start($target,$token,
                    364: 					  "Concept Grouped Foils");
                    365: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    366: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    367:     }
                    368:     if ($target eq 'modified') {
                    369: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    370: 						     $safeeval,'concept');
                    371: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    372:     }
                    373:     return $result;
                    374: }
                    375: 
                    376: sub end_conceptgroup {
                    377:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    378:     $Apache::rankresponse::conceptgroup=0;
                    379:     my $result='';
1.25      albertel  380:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    381: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  382: 	#if not there aren't any foils to display and thus no question
1.25      albertel  383: 	&Apache::response::pick_foil_for_concept($target,
                    384: 						 ['value','text','location'],
                    385: 						 \%Apache::hint::rank,
                    386: 						 $parstack,$safeeval);
1.1       albertel  387:     } elsif ($target eq 'edit') {
                    388: 	$result=&Apache::edit::end_table();
                    389:     }
                    390:     return $result;
                    391: }
                    392: 
                    393: sub insert_conceptgroup {
                    394:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    395:     return $result;
                    396: }
                    397: 
                    398: sub start_foil {
                    399:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    400:     my $result='';
1.25      albertel  401:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  402: 	&Apache::lonxml::startredirection;
1.39      albertel  403: 	if ($target eq 'analyze') {
                    404: 	    &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
                    405: 	}
1.1       albertel  406:     } elsif ($target eq 'edit') {
                    407: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
                    408: 	my $level='-2';
                    409: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
                    410: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    411: 	$result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
                    412: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    413: 						 $safeeval,'-3');
                    414: 	if ($randomize ne 'no') {
                    415: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    416: 					     ['random','top','bottom'],$token);
                    417: 	}
                    418: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    419:     } elsif ($target eq 'modified') {
                    420: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    421: 						     $safeeval,'value',
                    422: 						     'name','location');
                    423: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    424:     }
                    425:     return $result;
                    426: }
                    427: 
                    428: sub end_foil {
                    429:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    430:     my $text ='';
                    431:     my $result = '';
1.25      albertel  432:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  433: 	$text=&Apache::lonxml::endredirection;
                    434:     }
1.25      albertel  435:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    436: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  437: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.42      albertel  438: 	if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
                    439: 	    $text='\vskip 5mm $\triangleright$ '.$text;
                    440: 	}
1.1       albertel  441: 	if ($value ne 'unused') {
                    442: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    443: 	    &Apache::lonxml::debug("Got a name of :$name:");
1.48      albertel  444: 	    if ($name eq "") {
1.47      albertel  445: 		&Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.43      albertel  446: 		$name=$Apache::lonxml::curdepth;
                    447: 	    }
1.1       albertel  448: 	    &Apache::lonxml::debug("Using a name of :$name:");
1.30      albertel  449: 	    if (defined($Apache::response::foilnames{$name})) {
                    450: 		&Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
                    451: 	    }
1.31      albertel  452: 	    $Apache::response::foilnames{$name}++;
1.30      albertel  453: 	    my $location =&Apache::lonxml::get_param('location',$parstack,
                    454: 						     $safeeval);
1.1       albertel  455: 	    if ( $Apache::rankresponse::conceptgroup
                    456: 		 && !&Apache::response::showallfoils() ) {
                    457: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    458: 		$Apache::response::conceptgroup{"$name.value"} = $value;
1.42      albertel  459: 		$Apache::response::conceptgroup{"$name.text"} = $text;
1.1       albertel  460: 		$Apache::response::conceptgroup{"$name.location"} = $location;
                    461: 	    } else {
                    462: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
                    463: 		$Apache::response::foilgroup{"$name.value"} = $value;
1.42      albertel  464: 		$Apache::response::foilgroup{"$name.text"} = $text;
1.1       albertel  465: 		$Apache::response::foilgroup{"$name.location"} = $location;
                    466: 	    }
                    467: 	}
                    468:     }
                    469:     if ($target eq 'edit') {
                    470: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    471:     }
                    472:     return $result;
                    473: }
                    474: 
                    475: sub insert_foil {
                    476:     return '
                    477: <foil name="" value="unused">
                    478: <startouttext />
                    479: <endouttext />
                    480: </foil>';
                    481: }
                    482: 1;
                    483: __END__

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