--- loncom/homework/caparesponse/caparesponse.pm 2000/10/12 21:51:40 1.8 +++ loncom/homework/caparesponse/caparesponse.pm 2005/06/20 21:30:22 1.169 @@ -1,45 +1,776 @@ # The LearningOnline Network with CAPA # caparesponse definition +# +# $Id: caparesponse.pm,v 1.169 2005/06/20 21:30:22 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/ +# package Apache::caparesponse; use strict; use capa; +use Apache::lonlocal; +use Apache::lonnet; -sub BEGIN { - &Apache::lonxml::register('Apache::caparesponse',('caparesponse')); +BEGIN { + &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse')); } -$Apache::caparesponse::result=''; -sub start_caparesponse { - my $envkey; - - #foreach $envkey (sort keys %ENV) { - # Apache::lonxml::debug("$envkey ---- $ENV{$envkey}
"); - #} - - #Apache::lonxml::debug("\n
\nreal caparesponse
\n"); -} - -sub end_caparesponse { - my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; - if ( defined $ENV{'form.'.$ENV{'form.request.prefix'}.'submit'}) { - $Apache::caparesponse::result=''; - $safeeval->share('&caparesponse_capa_check_answer'); - $safeeval->share('$Apache::caparesponse::result'); - my $response = $ENV{'form.'.$ENV{'form.request.prefix'}.'HWVAL'.$Apache::inputtags::curvalue}; - Apache::lonxml::debug("submitted a $response
\n"); - Apache::lonxml::debug($$parstack[$#$parstack] . "\n
"); - my $expression="caparesponse_check $response $$parstack[$#$parstack];"; - &Apache::run::run($expression,$safeeval); +sub start_numericalresponse { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; + my $id = &Apache::response::start_response($parstack,$safeeval); + my $result; + undef %{$safeeval->varglob('LONCAPA::CAPAresponse_args')}; + 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). + &Apache::loncommon::help_open_topic('numerical_wrong_answers'); + $result.=&Apache::edit::text_arg('Unit:','unit',$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) "; } + } + if ( &Apache::response::show_answer() ) { + my $answertxt; + my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack, + $safeeval); + my (@formats)=&Apache::lonxml::get_param_var('format',$parstack, + $safeeval); + my $unit=&Apache::lonxml::get_param_var('unit',$parstack, + $safeeval); + for (my $i=0; $i <= $#answers; $i++) { + my $answer=$answers[$i]; + my $format; + if ($#formats > 0) { + $format=$formats[$i]; + } else { + $format=$formats[0]; + } + if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; } + if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; } + my $formatted=&format_number($answer,$format,$target, + $safeeval); + $answertxt.=$formatted.','; + } + chop $answertxt; + if ($target eq 'web') { + $answertxt.=" $unit "; + } + $Apache::inputtags::answertxt{$id}=$answertxt; + } + } + return $result; +} + +sub check_submission { + my ($response,$partid,$id,$tag,$parstack,$safeeval)=@_; + my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')}; + $$args_ref{'response'}=$response; + my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit'); + + foreach my $arg ('type','tol','sig','format','unit','calc', + 'samples') { + $$args_ref{$arg}= + &Apache::lonxml::get_param($arg,$parstack,$safeeval); + } + foreach my $key (keys(%Apache::inputtags::params)) { + $$args_ref{$key}=$Apache::inputtags::params{$key}; + } + + #no way to enter units, with radio buttons + if ($Apache::lonhomework::type eq 'exam' || + lc($hideunit) eq "yes") { + delete($$args_ref{'unit'}); + } + #sig fig don't make much sense either + if (($Apache::lonhomework::type eq 'exam' || + &Apache::response::submitted('scantron')) && + $tag eq 'numericalresponse') { + delete($$args_ref{'sig'}); + } - &Apache::lonxml::debug("\n
result:$Apache::caparesponse::result:
\n"); - } else { - #return "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n"; - } - #Apache::lonxml::debug("\n
\nreal end caparesponse
\n"); - return ''; + if ($tag eq 'formularesponse') { + $$args_ref{'type'}='fml'; + } elsif ($tag eq 'numericalresponse') { + $$args_ref{'type'}='float'; + } + my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval); + &Apache::lonxml::debug('answer is'.join(':',@answer)); + @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=@answer; + + my ($result,@msgs) = + &Apache::run::run("&caparesponse_check_list()",$safeeval); + &Apache::lonxml::debug('msgs are'.join(':',@msgs)); + my ($awards)=split(/:/,$result); + my @awards= split(/,/,$awards); + return(\@awards,\@msgs); +} + +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); + } + my $partid = $Apache::inputtags::part; + my $id = $Apache::inputtags::response[-1]; + my $tag; + $safeeval->share_from('capa',['&caparesponse_capa_check_answer']); + if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; } + if ( $target eq 'grade' && &Apache::response::submitted() ) { + &Apache::response::setup_params($tag,$safeeval); + if ($Apache::lonhomework::type eq 'exam' && + $tag eq 'formularesponse') { + $increment=&Apache::response::scored_response($partid,$id); + } else { + my $response = &Apache::response::getresponse(); + if ( $response =~ /[^\s]/) { + my $ad; + my %previous = &Apache::response::check_for_previous($response,$partid,$id); + &Apache::lonxml::debug("submitted a $response
\n"); + &Apache::lonxml::debug($$parstack[-1] . "\n
"); + + if ( &Apache::response::submitted('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,$safeeval); + if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); } + my ($values,$display)=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect,$safeeval); + $response=$values->[$response]; + } + $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response; + my ($awards,$msgs)=&check_submission($response,$partid,$id, + $tag,$parstack,$safeeval); + + ($ad,my $msg) = &Apache::inputtags::finalizeawards($awards,$msgs); + &Apache::lonxml::debug('ad is'.$ad); + if ($ad eq 'SIG_FAIL') { + my ($sig_u,$sig_l)= + &get_sigrange($Apache::inputtags::params{'sig'}); + $msg=join(':',$msg,$sig_l,$sig_u); + &Apache::lonxml::debug("sigs bad $sig_u $sig_l ". + $Apache::inputtags::params{'sig'}); + } + &Apache::lonxml::debug("\n
result:$result:$Apache::lonxml::curdepth
\n"); + if ($Apache::lonhomework::type eq 'survey' && + ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' || + $ad eq 'EXACT_ANS')) { + $ad='SUBMITTED'; + } + &Apache::response::handle_previous(\%previous,$ad); + $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad; + $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg; + $result=''; + } + } + } elsif ($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::lonhomework::type eq 'exam') { + my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles'); + if ($Apache::inputtags::params{'numbubbles'}) { + $number_of_bubbles = $Apache::inputtags::params{'numbubbles'}; + } + if (!$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,$safeeval); + if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); } + my ($bubble_values,$bubble_display)= + &make_numerical_bubbles($number_of_bubbles, + $target,$answers[0], + $formats[0],\@incorrect,$safeeval); + my @alphabet=('A'..'Z'); + if ($target eq 'web') { + if ($tag eq 'numericalresponse') { + if ($unit=~/\S/) {$result.=' (in '.$unit.')

';} + $result.= ''; + 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.=''; + } + $result.='
'.$alphabet[$ind].': '. + $bubble_display->[$ind].'
'; + } elsif ($tag eq 'formularesponse') { + $result.= '

+

'; + } + } elsif ($target eq 'tex') { + if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) { + $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} '; + } + if ($tag eq 'numericalresponse') { + my ($celllength,$number_of_tables,@table_range)= + &get_table_sizes($number_of_bubbles,$bubble_display); + 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 \setlength{\tabcolsep}{2 mm}\begin{tabular}{'; + for (my $ind=0;$ind<$table_range[$j];$ind++) { + $result.='p{3 mm}p{'.$celllength.' mm}'; + } + $result.='}'; + for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) { + $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$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') { + $result.=''.&Apache::edit::end_table; + } elsif ($target eq 'answer' || $target eq 'analyze') { + my $part_id="$partid.$id"; + if ($target eq 'analyze') { + push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); + $Apache::lonhomework::analyze{"$part_id.type"} = $tag; + my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval); + if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); } + push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect); + &Apache::response::check_if_computed($token,$parstack, + $safeeval,'answer'); + } + if (scalar(@$tagstack)) { + &Apache::response::setup_params($tag,$safeeval); + } + 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') { + $result.=&Apache::response::answer_header($tag); + } + 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 && $tag eq 'numericalresponse') { + $fmt=~s/e/E/g; + if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; } + if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; } + $ans = &format_number($ans,$fmt,$target,$safeeval); + #if ($high) { + # $high=&format_number($high,$fmt,$target,$safeeval); + # $low =&format_number($low,$fmt,$target,$safeeval); + #} + } + my $response=$ans; + if ($unit) { + my $cleanunit=$unit; + $cleanunit=~s/\$\,//g; + $response.=" $cleanunit"; + } + if ($target eq 'answer') { + if ($high && $tag eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; } + if (defined($sighigh) && $tag eq 'numericalresponse') { + if ($env{'form.answer_output_mode'} eq 'tex') { + $ans.= " Sig $siglow - $sighigh"; + } else { + $ans.= " Sig $siglow - $sighigh"; + } + } + $result.=&Apache::response::answer_part($tag,$ans); + } elsif ($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"} }, $low); + } + if ($fmt) { + push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt); + } + } + my ($awards,$msgs)=&check_submission($response,$partid,$id,$tag, + $parstack,$safeeval); + my ($ad,$msg) =&Apache::inputtags::finalizeawards($awards,$msgs); + if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') { + &Apache::lonxml::error(&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range ("[_2]" to "[_3]") or significant figures ("[_4]" to "[_5]") needs to be adjusted',$response,$low,$high,$siglow,$sighigh)); + } + } + if (defined($unit) and ($unit ne '') and + $tag eq 'numericalresponse') { + if ($target eq 'answer') { + if ($env{'form.answer_output_mode'} eq 'tex') { + $result.=&Apache::response::answer_part($tag, + " Unit: $unit "); + } else { + $result.=&Apache::response::answer_part($tag, + "Unit: $unit"); + } + } elsif ($target eq 'analyze') { + push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit); + } + } + if ($tag eq 'formularesponse' && $target eq 'answer') { + my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval); + $result.=&Apache::response::answer_part($tag,$samples); + } + if ($target eq 'answer') { + $result.=&Apache::response::answer_footer($tag); + } + } + 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 $result; +} + +sub get_table_sizes { + my ($number_of_bubbles,$rbubble_values)=@_; + my $scale=2; #mm for one digit + my $cell_width=0; + foreach my $member (@$rbubble_values) { + my $cell_width_real=0; + if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) { + $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale; + } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) { + $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale; + } elsif ($member=~/(\d*)\.(\d*)/) { + $cell_width_real=(length($1)+length($2)+3)*$scale; + } else { + $cell_width_real=(length($member)+1)*$scale*0.9; + } + if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;} + } + $cell_width+=8; + my $textwidth; + if ($env{'form.textwidth'} ne '') { + $env{'form.textwidth'}=~/(\d*)\.?(\d*)/; + $textwidth=$1.'.'.$2; + } else { + $env{'form.textwidth'}=~/(\d+)\.?(\d*)/; + $textwidth=$1.'.'.$2; + } + my $bubbles_per_line=int($textwidth/$cell_width); + if ($bubbles_per_line > $number_of_bubbles) { + $bubbles_per_line=$number_of_bubbles; + }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;} + my $number_of_tables = int($number_of_bubbles/$bubbles_per_line); + my @table_range = (); + for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;} + if ($number_of_bubbles % $bubbles_per_line) { + $number_of_tables++; + push @table_range,($number_of_bubbles % $bubbles_per_line); + } + $cell_width-=8; + $cell_width=$cell_width*3/4; + return ($cell_width,$number_of_tables,@table_range); +} + +sub format_number { + my ($number,$format,$target,$safeeval)=@_; + my $ans; + if ($format eq '') { + #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*)$/) { + $format = 'd'; + } + } + if (!$Apache::lonxml::default_homework_loaded) { + &Apache::lonxml::default_homework_load($safeeval); + } + $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval); + return $ans; +} + +sub make_numerical_bubbles { + my ($number_of_bubbles,$target,$answer,$format,$incorrect,$safeeval) =@_; + 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 (defined($$incorrect[0]) && + scalar(@$incorrect)+1 >= $number_of_bubbles) { + &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles"); + &Apache::response::setrandomnumber(); + my @rand_inc=&Math::Random::random_permutation(@$incorrect); + @bubble_values=@rand_inc[0..($number_of_bubbles-2)]; + @bubble_values=sort {$a <=> $b} (@bubble_values,$answer); + &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values)); + &Math::Random::random_set_seed(@oldseed); + if (defined($format) && $format ne '') { + my @bubble_display; + foreach my $value (@bubble_values) { + push(@bubble_display, + &format_number($value,$format,$target,$safeeval)); + } + return (\@bubble_values,\@bubble_display); + } else { + return (\@bubble_values,\@bubble_values); + } + } + if (defined($$incorrect[0]) && + scalar(@$incorrect)+1 < $number_of_bubbles) { + &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@$incorrect).")."); + } + } + my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors + my @powers = (1..$number_of_bubbles); + &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]; + my @bubble_display; + for ($ind=0;$ind<$number_of_bubbles;$ind++) { + $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind])); + $bubble_display[$ind] = &format_number($bubble_values[$ind], + $format,$target,$safeeval); + + } + &Math::Random::random_set_seed(@oldseed); + return (\@bubble_values,\@bubble_display); +} + +sub get_tolrange { + my ($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 $courseid=$env{'request.course.id'}; + if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') { + return (15,0); + } + 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 (!defined($sig_lbound)) { + $sig_lbound = 0; #SIG_LB_DEFAULT + $sig_ubound =15; #SIG_UB_DEFAULT + } + if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; } + } + if (($sig_ubound<$sig_lbound) || + ($sig_lbound > 15) || + ($sig =~/(\+|-)/ ) ) { + my $errormsg=&mt("Invalid Significant figures detected")." ($sig)"; + if ($env{'request.state'} eq 'construct') { + $errormsg.= + &Apache::loncommon::help_open_topic('Significant_Figures'); + } + &Apache::lonxml::error($errormsg); + } + 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') { + $result=&Apache::response::meta_package_write('stringresponse'); + } elsif ($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); + $result.=&Apache::edit::text_arg('String to display for answer:', + 'answerdisplay',$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, + $safeeval,'answer', + 'type','answerdisplay'); + if ($constructtag) { + $result = &Apache::edit::rebuild_tag($token); + $result.=&Apache::edit::handle_insert(); + } + } elsif ($target eq 'web') { + if ( &Apache::response::show_answer() ) { + my $answer= + &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval); + if (!defined $answer || $answer eq '') { + $answer= + &Apache::lonxml::get_param('answer',$parstack,$safeeval); + } + $Apache::inputtags::answertxt{$id}=$answer; + } + } elsif ($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); + my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval); + &Apache::lonxml::debug("current $answer ".$token->[2]); + if (!$Apache::lonxml::default_homework_loaded) { + &Apache::lonxml::default_homework_load($safeeval); + } + if ( $target eq 'grade' && &Apache::response::submitted() ) { + &Apache::response::setup_params('stringresponse',$safeeval); + $safeeval->share_from('capa',['&caparesponse_capa_check_answer']); + if ($Apache::lonhomework::type eq 'exam' || + &Apache::response::submitted('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($$parstack[-1] . "\n
"); + $Apache::lonhomework::results{"resource.$part.$id.submission"}= + $response; + my ($ad,$msg); + if ($type eq 're' ) { + # if the RE wasn't in a var it likely got munged, + # thus grab it from the var directly +# my $testans=$token->[2]->{'answer'}; +# if ($testans !~ m/^\s*\$/) { +# $answer=$token->[2]->{'answer'}; +# } + ${$safeeval->varglob('LONCAPA::response')}=$response; + $result = &Apache::run::run('return $LONCAPA::response=~m'.$answer,$safeeval); + &Apache::lonxml::debug("current $response"); + &Apache::lonxml::debug("current $answer"); + $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT'; + } else { + my $args_ref= + \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')}; + + $$args_ref{'response'}=$response; + &Apache::lonxml::debug("current $response"); + $$args_ref{'type'}= + &Apache::lonxml::get_param('type',$parstack,$safeeval); + foreach my $key (keys(%Apache::inputtags::params)) { + $$args_ref{$key}=$Apache::inputtags::params{$key}; + } + &Apache::lonxml::debug('answer is'.join(':',$answer)); + @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=($answer); + ($result, my @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval); + &Apache::lonxml::debug('msgs are'.join(':',@msgs)); + my ($awards)=split(/:/,$result); + my (@awards) = split(/,/,$awards); + ($ad,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs); + &Apache::lonxml::debug("\n
result:$result:$Apache::lonxml::curdepth
\n"); + } + if ($Apache::lonhomework::type eq 'survey' && + ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' || + $ad eq 'EXACT_ANS')) { + $ad='SUBMITTED'; + } + &Apache::response::handle_previous(\%previous,$ad); + $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; + $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg; + } + } + } 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::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.$id.type"} = 'stringresponse'; + &Apache::response::check_if_computed($token,$parstack,$safeeval, + 'answer'); + } + &Apache::response::setup_params('stringresponse',$safeeval); + if ($target eq 'answer') { + $result.=&Apache::response::answer_header('stringresponse'); + } +# foreach my $ans (@answers) { + if ($target eq 'answer') { + $result.=&Apache::response::answer_part('stringresponse',$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') { + $result.=&Apache::response::answer_part('stringresponse', + "$string"); + } else { + $result.=&Apache::response::answer_part('stringresponse', + "$string"); + } + } elsif ($target eq 'analyze') { + push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}}, + $type); + } + if ($target eq 'answer') { + $result.=&Apache::response::answer_footer('stringresponse'); + } + } elsif ($target eq 'edit') { + $result.=''.&Apache::edit::end_table; + } + if ($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__ - +