--- loncom/homework/radiobuttonresponse.pm 2001/05/31 22:34:33 1.18 +++ loncom/homework/radiobuttonresponse.pm 2003/05/16 19:25:08 1.71 @@ -1,103 +1,191 @@ # The LearningOnline Network with CAPA # mutliple choice style responses +# +# $Id: radiobuttonresponse.pm,v 1.71 2003/05/16 19:25:08 albertel Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# # 2/21 Guy package Apache::radiobuttonresponse; use strict; +use HTML::Entities(); -sub BEGIN { +BEGIN { &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse')); } sub start_radiobuttonresponse { - my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result; #when in a radiobutton response use these &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup')); + push (@Apache::lonxml::namespace,'radiobuttonresponse'); my $id = &Apache::response::start_response($parstack,$safeeval); - return ''; + %Apache::hint::radiobutton=(); + if ($target eq 'meta') { + $result=&Apache::response::meta_package_write('radiobuttonresponse'); + } elsif ($target eq 'edit' ) { + $result.=&Apache::edit::start_table($token). + ''.&Apache::lonxml::description($token)."Delete:". + &Apache::edit::deletelist($target,$token) + ." ".&Apache::edit::end_row() + .&Apache::edit::start_spanning_row(); + + $result.= + &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4'). + &Apache::edit::select_arg('Randomize Foil Order','randomize', + ['yes','no'],$token). + &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n"; + } elsif ($target eq 'modified') { + my $constructtag=&Apache::edit::get_new_args($token,$parstack, + $safeeval,'max','randomize'); + if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } + } elsif ($target eq 'tex') { + my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,undef,0); + if ($type eq '1') { + $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}'; + } elsif ($type eq 'A') { + $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}'; + } elsif ($type eq 'a') { + $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}'; + } elsif ($type eq 'i') { + $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}'; + } + $result .= '\begin{enumerate}'; + } + return $result; } sub end_radiobuttonresponse { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result; + if ($target eq 'edit') { $result=&Apache::edit::end_table(); } + if ($target eq 'tex') { $result .= '\end{enumerate}'; } &Apache::response::end_response; - return ''; + pop @Apache::lonxml::namespace; + &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup')); + return $result; } -%Apache::response::foilgroup={}; +%Apache::response::foilgroup=(); sub start_foilgroup { - %Apache::response::foilgroup={}; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result; + %Apache::response::foilgroup=(); $Apache::radiobuttonresponse::conceptgroup=0; &Apache::response::setrandomnumber(); - return ''; + if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') { + $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]'; + } + return $result; } sub storesurvey { - if ( defined $ENV{'form.submitted'}) { - my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']}; - &Apache::lonxml::debug("Here I am!:$response:"); - if ( $response =~ /[^\s]/) { - my $id = $Apache::inputtags::response['-1']; - $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response; - $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED'; - &Apache::lonxml::debug("submitted a $response
\n"); - } - } + if ( !defined($ENV{'form.submitted'})) { return ''; } + my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']}; + &Apache::lonxml::debug("Here I am!:$response:"); + if ( $response !~ /[0-9]+/) { return ''; } + my $id = $Apache::inputtags::response['-1']; + my @whichfoils=@{ $Apache::response::foilgroup{'names'} }; + my %responsehash; + $responsehash{$whichfoils[$response]}=$response; + $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash); + $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED'; + &Apache::lonxml::debug("submitted a $response
\n"); return ''; } +sub grade_response { + my ($max,$randomize)=@_; + #keep the random numbers the same must always call this + my ($answer,@whichfoils)=&whichfoils($max,$randomize); + if (!defined($ENV{'form.submitted'})) { return; } + my $response; + if ($ENV{'form.submitted'} eq 'scantron') { + $response=&Apache::response::getresponse(); + } else { + $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']}; + } + if ( $response !~ /[0-9]+/) { return; } + my $part=$Apache::inputtags::part; + my $id = $Apache::inputtags::response['-1']; + my %responsehash; + $responsehash{$whichfoils[$response]}=$response; + my $responsestr=&Apache::lonnet::hash2str(%responsehash); + my %previous=&Apache::response::check_for_previous($responsestr, + $part,$id); + $Apache::lonhomework::results{"resource.$part.$id.submission"}= + $responsestr; + &Apache::lonxml::debug("submitted a $response
\n"); + my $ad; + if ($response == $answer) { + $ad='EXACT_ANS'; + } else { + $ad='INCORRECT'; + } + $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; + &Apache::response::handle_previous(\%previous,$ad); +} + sub end_foilgroup { - my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; - + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result; - if ($target ne 'meta') { - my $rrargs =''; - if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; } - my $style = &Apache::run::run("{$rrargs;".'return $style}',$safeeval); + if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') { + my $style = $Apache::lonhomework::type; if ( $style eq 'survey' ) { - if ($target eq 'web') { + if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') { $result=&displayallfoils(); } elsif ( $target eq 'grade' ) { $result=&storesurvey(); } } else { my $name; - my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval); - my $count=0; - # we will add in 1 of the true statements - if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; } - my $answer = int(rand ($count)); - &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt"); - if ($target eq 'web') { - $result=&displayfoils($max,$answer); + my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2'); + my $randomize = &Apache::lonxml::get_param('randomize',$parstack, + $safeeval,'-2'); + if ($target eq 'web' || $target eq 'tex') { + $result=&displayfoils($target,$max,$randomize); + } elsif ($target eq 'answer' ) { + $result=&displayanswers($max,$randomize); } elsif ( $target eq 'grade') { - if ( defined $ENV{'form.submitted'}) { - my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']}; - if ( $response =~ /[^\s]/) { - my $id = $Apache::inputtags::response['-1']; - $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response; - &Apache::lonxml::debug("submitted a $response
\n"); - if ($response == $answer) { - $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS'; - } else { - $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT'; - } - } - } + &grade_response($max,$randomize); } } } + &Apache::lonxml::increment_counter(); return $result; } sub getfoilcounts { - my ($parstack,$safeeval)=@_; - my $rrargs =''; - if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; } - my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval); - my @names = @{ $Apache::response::foilgroup{'names'} }; + my @names; my $truecnt=0; my $falsecnt=0; my $name; - + if ( $Apache::response::foilgroup{'names'} ) { + @names= @{ $Apache::response::foilgroup{'names'} }; + } foreach $name (@names) { if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { $truecnt++; @@ -105,7 +193,7 @@ sub getfoilcounts { $falsecnt++; } } - return ($truecnt,$falsecnt,$max); + return ($truecnt,$falsecnt); } sub displayallfoils { @@ -116,128 +204,338 @@ sub displayallfoils { my $id=$Apache::inputtags::response['-1']; my $part=$Apache::inputtags::part; my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"}; - foreach my $name (@names) { - if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { - $result.="
\n"; - $temp++; + my %lastresponse=&Apache::lonnet::str2hash($lastresponse); + if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) { + foreach my $name (@names) { + if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { + $result.="
".$Apache::response::foilgroup{$name.'.value'}; + if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { + $result.=''; + } + $result .= $Apache::response::foilgroup{$name.'.text'}; + if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { + $result.=''; + } + } + } + } else { + foreach my $name (@names) { + if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { + $result.="
\n"; + $temp++; + } } } return $result; } -sub displayfoils { - my ($max,$answer)=@_; - my @names = @{ $Apache::response::foilgroup{'names'} }; +sub whichfoils { + my ($max,$randomize)=@_; + my @truelist; my @falselist; - my $result; - my $name; - - foreach $name (@names) { - #result.="
$name is $Apache::response::foilgroup{$name.'.value'} "; - if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { - push (@truelist,$name); - } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { - push (@falselist,$name); - } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') { + my @whichfalse =(); + my ($truecnt,$falsecnt) = &getfoilcounts(); + my $count=0; + # we will add in 1 of the true statements + if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; } + my $answer=int(&Math::Random::random_uniform() * ($count)); + &Apache::lonxml::debug("Count is $count, $answer is $answer"); + my @names; + if ( $Apache::response::foilgroup{'names'} ) { + @names= @{ $Apache::response::foilgroup{'names'} }; + } + if (&Apache::response::showallfoils()) { + @whichfalse=@names; + } elsif ($randomize eq 'no') { + &Apache::lonxml::debug("No randomization"); + my $havetrue=0; + foreach my $name (@names) { + if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { + if (!$havetrue ) { + push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse; + } + } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { + push (@whichfalse,$name); + } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') { + } else { + &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in ")); + } + } + } else { + my $current=0; + &Apache::lonhomework::showhash(%Apache::response::foilgroup); + my (%top,%bottom); + #first find out where everyone wants to be + foreach my $name (@names) { + $current++; + if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { + push (@truelist,$name); + if ($Apache::response::foilgroup{$name.'.location'} eq 'top') { + $top{$name}=$current; + } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') { + $bottom{$name}=$current; + } + } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { + push (@falselist,$name); + if ($Apache::response::foilgroup{$name.'.location'} eq 'top') { + $top{$name}=$current; + } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') { + $bottom{$name}=$current; + } + } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') { + } else { + &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in ")); + } + } + #pick a true statement + my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1)); + &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue"); + my (@toplist, @bottomlist); + my $topcount=0; + my $bottomcount=0; + # assign everyone to either toplist/bottomlist or whichfalse + # which false is randomized, toplist bottomlist are in order + while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) { + &Apache::lonxml::debug("Have $#whichfalse max is $max"); + my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1)); + &Apache::lonxml::debug("From $#falselist elms, picking $afalse"); + $afalse=splice(@falselist,$afalse,1); + &Apache::lonxml::debug("Picked $afalse"); + &Apache::lonhomework::showhash(('names'=>\@names)); + &Apache::lonhomework::showhash(%top); + if ($top{$afalse}) { + $toplist[$top{$afalse}]=$afalse; + $topcount++; + } elsif ($bottom{$afalse}) { + $bottomlist[$bottom{$afalse}]=$afalse; + $bottomcount++; + } else { + push (@whichfalse,$afalse); + } + } + &Apache::lonxml::debug("Answer wants $answer"); + my $truename=$truelist[$whichtrue]; + my $dosplice=1; + #insert the true statement, keeping track of where it wants to be + if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' ) { + $toplist[$top{$truename}]=$truename; + $answer=-1; + foreach my $top (reverse(@toplist)) { + if ($top) { $answer++;} + if ($top eq $truename) { last; } + } + $dosplice=0; + } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom') { + $bottomlist[$bottom{$truename}]=$truename; + $answer=-1; + foreach my $bot (@bottomlist) { + if ($bot) { $answer++;} + if ($bot eq $truename) { last; } + } + $answer+=$topcount+$#whichfalse+1; + $dosplice=0; } else { - &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in "); + if ($topcount>0 || $bottomcount>0) { + $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1)) + + $topcount; + } + } + &Apache::lonxml::debug("Answer now wants $answer"); + #add the top items to the top, bottom items to the bottom + for (my $i=0;$i<=$#toplist;$i++) { + if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) } + } + for (my $i=0;$i<=$#bottomlist;$i++) { + if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) } } + #if the true statement is randomized insert it into the list + if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); } } - my $whichtrue = int(rand($#truelist+1)); - &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue"); - my @whichfalse =(); - while ((($#whichfalse+1) < $max) && ($#falselist > -1)) { - &Apache::lonxml::debug("Have $#whichfalse max is $max"); - my $afalse=int(rand($#falselist+1)); - &Apache::lonxml::debug("From $#falselist elms, picking $afalse"); - $afalse=splice(@falselist,$afalse,1); - &Apache::lonxml::debug("Picked $afalse"); - push (@whichfalse,$afalse); - } - splice(@whichfalse,$answer,0,$truelist[$whichtrue]); - &Apache::lonxml::debug("the true statement is $answer"); - if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) { - foreach $name (@whichfalse) { - $result.="
"; + &Apache::lonxml::debug("Answer is $answer"); + return ($answer,@whichfalse); +} + +sub displayfoils { + my ($target,$max,$randomize)=@_; + my $result; + + my ($answer,@whichfoils)=&whichfoils($max,$randomize); + my $part=$Apache::inputtags::part; + my $solved=$Apache::lonhomework::history{"resource.$part.solved"}; + my $status=$Apache::inputtags::status[-1]; + if ( ($target ne 'tex') && + (($solved =~ /^correct/) || ($status eq 'SHOW_ANSWER')) ) { + foreach my $name (@whichfoils) { + if ($target ne 'tex') { + $result.="
"; + } else { + $result.='\item \vskip -2 mm '; + } if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { - $result.='Correct'; + if ($target ne 'tex') { $result.='Correct:'; } else { $result.='Correct: \textbf{';} } else { - $result.='Incorrect'; + $result.='Incorrect:'; + } + if ($target ne 'tex') { + $result.=$Apache::response::foilgroup{$name.'.text'}."\n"; + } else { + $result.=$Apache::response::foilgroup{$name.'.text'}; + } + if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { + if ($target ne 'tex') { $result.='';} else {$result.='}';} } - $result.=":".$Apache::response::foilgroup{$name.'.text'}."\n"; } } else { - my $temp=0; + my @alphabet = ('A'..'Z'); + my $i = 0; + my $temp=0; my $id=$Apache::inputtags::response['-1']; my $part=$Apache::inputtags::part; my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"}; - foreach $name (@whichfalse) { - $result.="
\n"; + my %lastresponse=&Apache::lonnet::str2hash($lastresponse); + foreach my $name (@whichfoils) { + if ($target ne 'tex') { + $result.="
\n"; + } else { + if ($Apache::lonhomework::type eq 'exam') { + $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs + $i++; + } else { + $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'}; + } + } $temp++; } } - return $result."
"; + if ($target ne 'tex') { $result.="
"; } else { $result.='\vskip 0 mm '; } + return $result; +} + +sub displayanswers { + my ($max,$randomize)=@_; + my ($answer,@whichopt) = &whichfoils($max,$randomize); + my $result=&Apache::response::answer_header('radiobuttonresponse'); + foreach my $name (@whichopt) { + $result.=&Apache::response::answer_part('radiobuttonresponse', + $Apache::response::foilgroup{$name.'.value'}) + } + $result.=&Apache::response::answer_footer('radiobuttonresponse'); + return $result; } sub start_conceptgroup { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; $Apache::radiobuttonresponse::conceptgroup=1; - %Apache::response::conceptgroup={}; - return ''; + %Apache::response::conceptgroup=(); + my $result; + if ($target eq 'edit') { + $result.=&Apache::edit::tag_start($target,$token); + $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50'). + &Apache::edit::end_row().&Apache::edit::start_spanning_row(); + } elsif ($target eq 'modified') { + my $constructtag=&Apache::edit::get_new_args($token,$parstack, + $safeeval,'concept'); + if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } + } + return $result; } sub end_conceptgroup { - my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; $Apache::radiobuttonresponse::conceptgroup=0; - if ($target eq 'web' || $target eq 'grade') { - my @names = @{ $Apache::response::conceptgroup{'names'} }; - my $pick=int rand $#names+1; - my $name=$names[$pick]; - push @{ $Apache::response::foilgroup{'names'} }, $name; - $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"}; - $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"}; - my $args; - if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } - my $concept = &Apache::run::run("{$args;".'return $concept}',$safeeval); - $Apache::response::foilgroup{"$name.concept"} = $concept; - &Apache::lonxml::debug("Selecting $name in $concept"); + my $result; + if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') { + if (defined(@{ $Apache::response::conceptgroup{'names'} })) { + my @names = @{ $Apache::response::conceptgroup{'names'} }; + my $pick=int(&Math::Random::random_uniform() * ($#names+1)); + my $name=$names[$pick]; + push @{ $Apache::response::foilgroup{'names'} }, $name; + $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"}; + $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"}; + $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"}; + my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval); + $Apache::response::foilgroup{"$name.concept"} = $concept; + &Apache::lonxml::debug("Selecting $name in $concept"); + my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; + push(@{ $Apache::hint::radiobutton{"$part_id.concepts"} },$concept); + $Apache::hint::radiobutton{"$part_id.concept.$concept"}= + $Apache::response::conceptgroup{'names'}; + } + } elsif ($target eq 'edit') { + $result=&Apache::edit::end_table(); } - return ''; + return $result; +} + +sub insert_conceptgroup { + my $result="\n\t\t".&insert_foil()."\n\t\t\n"; + return $result; } sub start_foil { - &Apache::lonxml::startredirection; - return ''; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result=''; + if ($target eq 'web' || $target eq 'tex') { + &Apache::lonxml::startredirection; + } elsif ($target eq 'edit') { + $result=&Apache::edit::tag_start($target,$token); + $result.=&Apache::edit::text_arg('Name:','name',$token); + $result.=&Apache::edit::select_or_text_arg('Correct Option:','value', + ['unused','true','false'],$token); + my $randomize=&Apache::lonxml::get_param('randomize',$parstack, + $safeeval,'-3'); + if ($randomize ne 'no') { + $result.=&Apache::edit::select_arg('Location:','location', + ['random','top','bottom'],$token); + } + $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); + } elsif ($target eq 'modified') { + my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval, + 'value','name','location'); + if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } + } + return $result; } sub end_foil { - my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $text=''; - if ($target eq 'web') { $text=&Apache::lonxml::endredirection; } - if ($target eq 'web' || $target eq 'grade') { - my $args =''; - if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } - my $value = &Apache::run::run("{$args;".'return $value}',$safeeval); + if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; } + if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') { + my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval); if ($value ne 'unused') { - my $name = &Apache::run::run("{$args;".'return $name}',$safeeval); - if ( $Apache::radiobuttonresponse::conceptgroup ) { + my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); + my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval); + if (!$name) { $name=$Apache::lonxml::curdepth; } + if ( $Apache::radiobuttonresponse::conceptgroup + && !&Apache::response::showallfoils() ) { push @{ $Apache::response::conceptgroup{'names'} }, $name; $Apache::response::conceptgroup{"$name.value"} = $value; $Apache::response::conceptgroup{"$name.text"} = $text; + $Apache::response::conceptgroup{"$name.location"} = $location; } else { push @{ $Apache::response::foilgroup{'names'} }, $name; $Apache::response::foilgroup{"$name.value"} = $value; $Apache::response::foilgroup{"$name.text"} = $text; + $Apache::response::foilgroup{"$name.location"} = $location; } } } return ''; } +sub insert_foil { + return ' + + + +'; +} 1; __END__