loncom/homework/caparesponse/caparesponse.pm - view

File: [LON-CAPA] / loncom / homework / caparesponse / caparesponse.pm
Revision 1.124: download - view: text, annotated - select for diffs
Tue Nov 25 14:37:11 2003 UTC (20 years, 6 months ago) by sakharuk
Branches: MAIN
CVS tags: version_1_1_1, version_1_1_0, version_1_0_99_3, version_1_0_99_2, version_1_0_99_1, version_1_0_99, HEAD

Fixed the problem of printing numbers with two or more digits in the power for exam mode.

# The LearningOnline Network with CAPA # caparesponse definition # # $Id: caparesponse.pm,v 1.124 2003/11/25 14:37:11 sakharuk 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/ # package Apache::caparesponse; use strict; use capa; BEGIN { &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse')); } sub start_numericalresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $id = &Apache::response::start_response($parstack,$safeeval); my $result; if ($target eq 'edit') { $result.=&Apache::edit::tag_start($target,$token); $result.=&Apache::edit::text_arg('Answer:','answer',$token); if ($token->[1] eq 'numericalresponse') { $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect', $token); $result.=&Apache::edit::text_arg('Unit:','unit',$token,5). &Apache::loncommon::help_open_topic('Physical_Units'); $result.=&Apache::edit::text_arg('Format:','format',$token,4). &Apache::loncommon::help_open_topic('Numerical_Response_Format'); } elsif ($token->[1] eq 'formularesponse') { $result.=&Apache::edit::text_arg('Sample Points:','samples', $token,40). &Apache::loncommon::help_open_topic('Formula_Response_Sampling'); } $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); } elsif ($target eq 'modified') { my $constructtag; if ($token->[1] eq 'numericalresponse') { $constructtag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'answer', 'incorrect','unit', 'format'); } elsif ($token->[1] eq 'formularesponse') { $constructtag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'answer', 'samples'); } if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); $result.=&Apache::edit::handle_insert(); } } elsif ($target eq 'meta') { $result=&Apache::response::meta_package_write('numericalresponse'); } elsif ($target eq 'answer' || $target eq 'grade') { &Apache::response::reset_params(); } elsif ($target eq 'web') { my $partid = $Apache::inputtags::part; my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit'); &Apache::lonxml::debug("Got unit $hideunit for $partid $id"); #no way to enter units, with radio buttons if (lc($hideunit) eq "yes") { my $unit=&Apache::lonxml::get_param_var('unit',$parstack, $safeeval); if ($unit =~ /\S/) { $result.=" (in $unit) "; } } } return $result; } sub end_numericalresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $increment=1; my $result = ''; if (!$Apache::lonxml::default_homework_loaded) { &Apache::lonxml::default_homework_load($safeeval); } if ( $target eq 'grade' && defined($ENV{'form.submitted'})) { &Apache::response::setup_params($$tagstack[-1]); $safeeval->share_from('capa',['&caparesponse_capa_check_answer']); my $partid = $Apache::inputtags::part; my $id = $Apache::inputtags::response['-1']; if ($Apache::lonhomework::type eq 'exam' && $$tagstack[-1] eq 'formularesponse') { $increment=&Apache::response::scored_response($partid,$id); } else { my $response = &Apache::response::getresponse(); if ( $response =~ /[^\s]/) { my $ad; my %previous = &Apache::response::check_for_previous($response,$partid,$id); &Apache::lonxml::debug("submitted a $response \n"); &Apache::lonxml::debug($$parstack[-1] . "\n "); if ($ENV{'form.submitted'} eq 'scantron') { my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles'); if (!$number_of_bubbles) { $number_of_bubbles=8; } my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval); my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval); my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval); my @values=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect); $response=$values[$response]; } else { $response =~ s/\\/\\\\/g; $response =~ s/\'/\\\'/g; } $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response; &Apache::lonxml::debug("current $response"); my $expression="&caparesponse_check_list('".$response."','". $$parstack[-1]; my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit'); foreach my $key (keys(%Apache::inputtags::params)) { $expression.= ';my $'. #' $key.'="'.$Apache::inputtags::params{$key}.'"'; } #no way to enter units, with radio buttons if ($Apache::lonhomework::type eq 'exam' || lc($hideunit) eq "yes") { $expression.=';my $unit=undef;'; } #sig fig don't make much sense either if (($Apache::lonhomework::type eq 'exam' || $ENV{'form.submitted'} eq 'scantron') && $$tagstack[-1] eq 'numericalresponse') { $expression.=';my $sig=undef;'; } if ($$tagstack[-1] eq 'formularesponse') { $expression.=';my $type="fml";'; } elsif ($$tagstack[-1] eq 'numericalresponse') { $expression.=';my $type="float";'; } $expression.="');"; my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval); &Apache::lonxml::debug('answer is'.join(':',@answer)); @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer; $result = &Apache::run::run($expression,$safeeval); my ($awards) = split /:/ , $result; ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards); &Apache::lonxml::debug("$expression"); &Apache::lonxml::debug("\n result:$result:$Apache::lonxml::curdepth \n"); &Apache::response::handle_previous(\%previous,$ad); $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad; $result=''; } } } elsif ($target eq 'web' || $target eq 'tex') { my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack, $safeeval); my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"}; my $status = $Apache::inputtags::status['-1']; if ( &Apache::response::show_answer() ) { my (@formats)=&Apache::lonxml::get_param_var('format',$parstack, $safeeval); my $unit=&Apache::lonxml::get_param_var('unit',$parstack, $safeeval); if ($target eq 'web') { $result=" The correct answer is "; } for (my $i=0; $i <= $#answers; $i++) { my $answer=$answers[$i]; my $format; if ($#formats > 0) { $format=$formats[$i]; } else { $format=$formats[0]; } my $formatted; if ((defined($format)) && ($format ne '')) { $format=~s/e/E/g; &Apache::lonxml::debug("formatting with :$format: answer :$answer:"); $formatted=sprintf('%.'.$format,$answer).','; } else { &Apache::lonxml::debug("no format answer :$answer:"); $formatted="$answer,"; } if ($target eq 'tex') { $formatted=''; #$formatted=&Apache::lonxml::latex_special_symbols($formatted); } $result.=$formatted; } chop $result; if ($target eq 'web') { $result.=" $unit. "; } } if ($Apache::lonhomework::type eq 'exam') { my $partid=$Apache::inputtags::part; my $id=$Apache::inputtags::response[-1]; my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles'); if (!$number_of_bubbles) { $number_of_bubbles=8; } my (@formats)=&Apache::lonxml::get_param_var('format',$parstack, $safeeval); my $unit=&Apache::lonxml::get_param_var('unit',$parstack, $safeeval); my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval); my @bubble_values=&make_numerical_bubbles($number_of_bubbles, $target,$answers[0], $formats[0],\@incorrect); my @alphabet=('A'..'Z'); if ($target eq 'web') { if ($$tagstack[-1] eq 'numericalresponse') { if ($unit=~/\S/) {$result.=' (in '.$unit.') ';} $result.= '<table border="1"><tr>'; my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"}; for (my $ind=0;$ind<$number_of_bubbles;$ind++) { my $checked=''; if ($previous eq $bubble_values[$ind]) { $checked=" checked='on' "; } $result.='<td><input type="radio" name="HWVAL_'.$id. '" value="'.$bubble_values[$ind].'" '.$checked .' />'.$alphabet[$ind].': '. $bubble_values[$ind].'</td>'; } $result.='</tr></table>'; } elsif ($$tagstack[-1] eq 'formularesponse') { $result.= ' <textarea name="HWVAL_'.$id.'" rows="4" cols="50"> </textarea> '; } } elsif ($target eq 'tex') { if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) { $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} '; } if ($$tagstack[-1] eq 'numericalresponse') { my ($celllength,$number_of_tables,@table_range)= &get_table_sizes($formats[0],$number_of_bubbles); my $j=0; my $cou=0; $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]'; for (my $i=0;$i<$number_of_tables;$i++) { $result.='\vskip -1 mm \noindent \begin{tabular}{'; for (my $ind=0;$ind<$table_range[$j];$ind++) { $result.='lp{'.$celllength.' mm}'; } $result.='}'; for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) { $result.='\hskip -3 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -2 mm & {\small '.$bubble_values[$ind].'} '; if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';} } $cou += $table_range[$j]; $j++; $result.='\\\\\end{tabular}\vskip 0 mm '; } $result.='\end{enumerate}'; } else { $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}'; my $repetition = &Apache::response::repetition(); $result.='\begin{enumerate}'; for (my $i=0;$i<$repetition;$i++) { $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm'; } $increment=$repetition; $result.= '\end{enumerate}'; } } } } elsif ($target eq 'edit') { $result.='</td></tr>'.&Apache::edit::end_table; } elsif ($target eq 'answer' || $target eq 'analyze') { my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; if ($target eq 'analyze') { push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); $Apache::lonhomework::analyze{"$part_id.type"} = $$tagstack[-1]; my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval); push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect); } &Apache::response::setup_params($$tagstack[-1]); my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval); my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval); my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval); my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval); if ($target eq 'answer') { $result.=&Apache::response::answer_header($$tagstack[-1]); } for(my $i=0;$i<=$#answers;$i++) { my $ans=$answers[$i]; my $fmt=$formats[0]; if (@formats && $#formats) {$fmt=$formats[$i];} my ($high,$low); if ($Apache::inputtags::params{'tol'}) { ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'}); } my ($sighigh,$siglow); if ($Apache::inputtags::params{'sig'}) { ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'}); } if ($fmt && $$tagstack[-1] eq 'numericalresponse') { $fmt=~s/e/E/g; $ans = sprintf('%.'.$fmt,$ans); if ($high) { $high=sprintf('%.'.$fmt,$high); $low =sprintf('%.'.$fmt,$low); } } if ($target eq 'answer') { if ($high && $$tagstack[-1] eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; } if ($sighigh && $$tagstack[-1] eq 'numericalresponse') { if ($ENV{'form.answer_output_mode'} eq 'tex') { $ans.= " Sig $siglow - $sighigh"; } else { $ans.= " Sig $siglow - $sighigh"; } } $result.=&Apache::response::answer_part($$tagstack[-1],$ans); } elsif ($target eq 'analyze') { push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans); if ($high) { push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high); push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low); } } } if (defined($unit) and ($unit ne '') and $$tagstack[-1] eq 'numericalresponse') { if ($target eq 'answer') { if ($ENV{'form.answer_output_mode'} eq 'tex') { $result.=&Apache::response::answer_part($$tagstack[-1], " Unit: $unit "); } else { $result.=&Apache::response::answer_part($$tagstack[-1], "Unit: $unit"); } } elsif ($target eq 'analyze') { push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit); } } if ($$tagstack[-1] eq 'formularesponse' && $target eq 'answer') { my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval); $result.=&Apache::response::answer_part($$tagstack[-1],$samples); } if ($target eq 'answer') { $result.=&Apache::response::answer_footer($$tagstack[-1]); } } if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') { &Apache::lonxml::increment_counter($increment); } &Apache::response::end_response; return $result; } sub get_table_sizes { my ($format,$number_of_bubbles)=@_; my $max_val = 0; if ($format=~m/^(\d+)E([^\d]*)(\d*)$/) { $max_val=$1+$2+4; } else { $max_val=4; } $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2)); my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10; my @table_range = (); my $number_of_tables = int($number_of_bubbles/$max_val); for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;} if ($number_of_bubbles % $max_val != 0) { $number_of_tables++; push @table_range,($number_of_bubbles % $max_val); } return ($celllength,$number_of_tables,@table_range); } sub format_number { my ($number,$format,$target)=@_; my $ans; if ($format ne '') { $format=~s/e/E/g; $ans = sprintf('%.'.$format,$number); } else { my $format = ''; #What is the number? (integer,decimal,floating point) if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) { $format = '3e'; } elsif ($number=~/^(\d*)\.(\d*)$/) { $format = '4f'; } elsif ($number=~/^(\d*)$/) { $format = 'd'; } $ans = sprintf('%.'.$format,$number); } if ($target eq 'tex') { if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) { my $number = $1; my $power = $2; $power=~s/^\+//; $power=~s/^(-?)0+(\d+)/$1$2/; $ans=$number.'$\times 10^{'.$power.'}$'; #'stupidemacs } } return $ans; } sub make_numerical_bubbles { my ($number_of_bubbles,$target,$answer,$format,$incorrect) =@_; my @bubble_values = (); &Apache::lonxml::debug("answer is $answer incorrect is $incorrect"); my @oldseed=&Math::Random::random_get_seed(); if (defined($incorrect) && ref($incorrect)) { &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1 gt $number_of_bubbles)); if (scalar(@$incorrect)+1 >= $number_of_bubbles) { &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles"); &Apache::response::setrandomnumber(); my @rand_inc=&Math::Random::random_permutation(@$incorrect); @bubble_values=@rand_inc[0..($number_of_bubbles-2)]; @bubble_values=sort {$a <=> $b} (@bubble_values,$answer); &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values)); &Math::Random::random_set_seed(@oldseed); return @bubble_values; } #FIXME what to do when not enough incorrects specified? } my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers &Apache::response::setrandomnumber(); my $ind=&Math::Random::random_uniform_integer(1,0,$#powers); my $power = $powers[$ind]; $ind=&Math::Random::random_uniform_integer(1,0,$#factors); my $factor = $factors[$ind]; for ($ind=0;$ind<$number_of_bubbles;$ind++) { $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind])); $bubble_values[$ind] = &format_number($bubble_values[$ind], $format,$target); } &Math::Random::random_set_seed(@oldseed); return @bubble_values; } sub get_tolrange { my ($ans,$tol)=@_; my ($high,$low); if ($tol =~ /%$/) { chop($tol); my $change=$ans*($tol/100.0); $high=$ans+$change; $low=$ans-$change; } else { $high=$ans+$tol; $low=$ans-$tol; } return ($high,$low); } sub get_sigrange { my ($sig)=@_; &Apache::lonxml::debug("Got a sig of :$sig:"); my $sig_lbound; my $sig_ubound; if ($sig eq '') { $sig_lbound = 0; #SIG_LB_DEFAULT $sig_ubound =15; #SIG_UB_DEFAULT } else { ($sig_lbound,$sig_ubound) = split(/,/,$sig); if (!$sig_lbound) { $sig_lbound = 0; #SIG_LB_DEFAULT $sig_ubound =15; #SIG_UB_DEFAULT } if (!$sig_ubound) { $sig_ubound=$sig_lbound; } } return ($sig_ubound,$sig_lbound); } sub start_stringresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; my $id = &Apache::response::start_response($parstack,$safeeval); if ($target eq 'meta') { &Apache::response::start_response($parstack,$safeeval); $result=&Apache::response::meta_package_write('stringresponse'); &Apache::response::end_response(); } elsif ($target eq 'edit') { $result.=&Apache::edit::tag_start($target,$token); $result.=&Apache::edit::text_arg('Answer:','answer',$token); $result.=&Apache::edit::select_arg('Type:','type', [['cs','Case Sensitive'],['ci','Case Insensitive'], ['mc','Case Insensitive, Any Order'], ['re','Regular Expression']],$token); $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); } elsif ($target eq 'modified') { my $constructtag; $constructtag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'answer', 'type'); if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); $result.=&Apache::edit::handle_insert(); } } elsif ($target eq 'answer' || $target eq 'grade') { &Apache::response::reset_params(); } return $result; } sub end_stringresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $increment=1; my $result = ''; my $part=$Apache::inputtags::part; my $id=$Apache::inputtags::response[-1]; my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval); my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval); &Apache::lonxml::debug("current $answer ".$token->[2]); if (!$Apache::lonxml::default_homework_loaded) { &Apache::lonxml::default_homework_load($safeeval); } if ( $target eq 'grade' && defined($ENV{'form.submitted'})) { &Apache::response::setup_params($$tagstack[-1]); $safeeval->share_from('capa',['&caparesponse_capa_check_answer']); if ($Apache::lonhomework::type eq 'exam' || $ENV{'form.submitted'} eq 'scantron') { $increment=&Apache::response::scored_response($part,$id); } else { my $response = &Apache::response::getresponse(); if ( $response =~ /[^\s]/) { my %previous = &Apache::response::check_for_previous($response, $part,$id); &Apache::lonxml::debug("submitted a $response \n"); &Apache::lonxml::debug($$parstack[-1] . "\n "); $Apache::lonhomework::results{"resource.$part.$id.submission"}= $response; my $ad; if ($type eq 're' ) { # if the RE wasn't in a var it likely got munged, # thus grab it from the var directly # my $testans=$token->[2]->{'answer'}; # if ($testans !~ m/^\s*\$/) { # $answer=$token->[2]->{'answer'}; # } ${$safeeval->varglob('LONCAPA_INTERNAL_response')}= $response; $result = &Apache::run::run('return $LONCAPA_INTERNAL_response=~m'.$answer,$safeeval); &Apache::lonxml::debug("current $response"); &Apache::lonxml::debug("current $answer"); $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT'; } else { $response =~ s/\\/\\\\/g; $response =~ s/\'/\\\'/g; &Apache::lonxml::debug("current $response"); my $expression="&caparesponse_check_list('".$response."','". $$parstack[-1]; foreach my $key (keys(%Apache::inputtags::params)) { $expression.= ';my $'. #' $key.'="'.$Apache::inputtags::params{$key}.'"'; } $expression.="');"; &Apache::lonxml::debug('answer is'.join(':',$answer)); @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=($answer); $result = &Apache::run::run($expression,$safeeval); my ($awards) = split /:/ , $result; ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards); &Apache::lonxml::debug("$expression"); &Apache::lonxml::debug("\n result:$result:$Apache::lonxml::curdepth \n"); } &Apache::response::handle_previous(\%previous,$ad); $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; } } } elsif ($target eq 'web' || $target eq 'tex') { my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"}; my $status = $Apache::inputtags::status['-1']; if ( &Apache::response::show_answer() ) { if ($target eq 'web') { $result=" The correct answer is ".$answer; # join(', ',@answers).". "; } } if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') { $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}'; $increment = &Apache::response::repetition(); $result.='\begin{enumerate}'; for (my $i=0;$i<$increment;$i++) { $result.='\item[\textbf{'.($Apache::lonxml::counter+$i). '}.]\textit{Leave blank on scoring form}\vskip 0 mm'; } $result.= '\end{enumerate}'; } } elsif ($target eq 'answer' || $target eq 'analyze') { if ($target eq 'analyze') { push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id"); $Apache::lonhomework::analyze{"$part.$id.type"} = $$tagstack[-1]; } &Apache::response::setup_params($$tagstack[-1]); if ($target eq 'answer') { $result.=&Apache::response::answer_header($$tagstack[-1]); } # foreach my $ans (@answers) { if ($target eq 'answer') { $result.=&Apache::response::answer_part($$tagstack[-1],$answer); } elsif ($target eq 'analyze') { push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} }, $answer); } # } my $string='Case Insensitive'; if ($type eq 'mc') { $string='Multiple Choice'; } elsif ($type eq 'cs') { $string='Case Sensitive'; } elsif ($type eq 'ci') { $string='Case Insensitive'; } elsif ($type eq 're') { $string='Regular Expression'; } if ($target eq 'answer') { if ($ENV{'form.answer_output_mode'} eq 'tex') { $result.=&Apache::response::answer_part($$tagstack[-1], "$string"); } else { $result.=&Apache::response::answer_part($$tagstack[-1], "$string"); } } elsif ($target eq 'analyze') { push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}}, $type); } if ($target eq 'answer') { $result.=&Apache::response::answer_footer($$tagstack[-1]); } } elsif ($target eq 'edit') { $result.='</td></tr>'.&Apache::edit::end_table; } if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') { &Apache::lonxml::increment_counter($increment); } &Apache::response::end_response; return $result; } sub start_formularesponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; if ($target eq 'meta') { &Apache::response::start_response($parstack,$safeeval); $result=&Apache::response::meta_package_write('formularesponse'); &Apache::response::end_response(); } else { $result.=&start_numericalresponse(@_); } return $result; } sub end_formularesponse { return end_numericalresponse(@_); } 1; __END__

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