[BACK]Return to caparesponse.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / homework / caparesponse

Diff for /loncom/homework/caparesponse/caparesponse.pm between versions 1.40 and 1.160

version 1.40, 2001/08/06 20:31:37 version 1.160, 2005/01/10 18:42:21
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # caparesponse definition  # caparesponse definition
   #
   # $Id$
   #
   # 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;  package Apache::caparesponse;
 use strict;  use strict;
 use capa;  use capa;
   use Apache::lonlocal;
   
 sub BEGIN {  BEGIN {
   &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse'));      &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
 }  }
   
 sub start_caparesponse {  sub start_numericalresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $id = &Apache::response::start_response($parstack,$safeeval);      my $id = &Apache::response::start_response($parstack,$safeeval);
   return '';      my $result;
 }      undef %{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
       if ($target eq 'edit') {
 sub end_caparesponse {   $result.=&Apache::edit::tag_start($target,$token);
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;   $result.=&Apache::edit::text_arg('Answer:','answer',$token);
   my $result = '';   if ($token->[1] eq 'numericalresponse') {
   if ( $target eq 'grade' ) {      $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
     if ( defined $ENV{'form.submitted'}) {       $token).
       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);   &Apache::loncommon::help_open_topic('numerical_wrong_answers');
       my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};      $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
       if ( $response =~ /[^\s]/) {   &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 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 $tag;
       if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
       if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
    &Apache::response::setup_params($tag,$safeeval);
    $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
    my $partid = $Apache::inputtags::part;
  my $id = $Apache::inputtags::response['-1'];   my $id = $Apache::inputtags::response['-1'];
  my $previous= &Apache::response::check_for_previous($response,$id,$response);   if ($Apache::lonhomework::type eq 'exam' && 
  if ( $previous ) {       $tag eq 'formularesponse') {
   $result = 'PREVIOUSLY_USED';      $increment=&Apache::response::scored_response($partid,$id);
    } elsif ($Apache::lonhomework::type eq 'survey') {
       if ( !defined($ENV{'form.submitted'})) { return ''; }
       my $response = &Apache::response::getresponse();
       if ( $response =~ /[^\s]/) {
    my %previous=&Apache::response::check_for_previous($response,
    $partid,$id);
    $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
    my $ad=$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
    &Apache::response::handle_previous(\%previous,$ad);
       }
  } else {   } else {
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;      my $response = &Apache::response::getresponse();
   &Apache::lonxml::debug("submitted a $response<br>\n");      if ( $response =~ /[^\s]/) {
   &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");   my $ad;
   my $expression="&caparesponse_check('".$response."','".   my %previous = &Apache::response::check_for_previous($response,$partid,$id);
     $$parstack[$#$parstack].   &Apache::lonxml::debug("submitted a $response<br>\n");
       ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.   &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
  ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.  
   "');";   if ($ENV{'form.submitted'} eq 'scantron') {
   $result = &Apache::run::run($expression,$safeeval);      my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
   my ($ad) = split /:/ , $result;      if (!$number_of_bubbles) { $number_of_bubbles=8; }
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;      my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
   &Apache::lonxml::debug("$expression");      my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
   &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");      my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
  }      my ($values,$display)=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect,$safeeval);
       }      $response=$values->[$response];
     }   }
   } elsif ($target eq 'web') {   $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
     #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";   my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
   }   $$args_ref{'response'}=$response;
   #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");   my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
   &Apache::response::end_response;  
   return '';   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($$args_ref{'unit'});
    }
    #sig fig don't make much sense either
    if (($Apache::lonhomework::type eq 'exam' ||
        $ENV{'form.submitted'} eq 'scantron') &&
       $tag eq 'numericalresponse') {
       delete($$args_ref{'sig'});
    }
   
    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;
   
    ($result,my @msgs) = 
       &Apache::run::run("&caparesponse_check_list()",$safeeval);
    &Apache::lonxml::debug('msgs are'.join(':',@msgs));
    my ($awards)=split(/:/,$result);
    my (@awards) = split(/,/,$awards);
    ($ad,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 ".
      $Apache::inputtags::params{'sig'});
    }
    &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
    &Apache::response::handle_previous(\%previous,$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 $partid=$Apache::inputtags::part;
       my $id=$Apache::inputtags::response[-1];
       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,$safeeval);
       my ($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.')<br /><br />';}
       $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].'" '.$checked
       .' /><b>'.$alphabet[$ind].'</b>: '.
       $bubble_display->[$ind].'</td>';
       }
       $result.='</tr></table>';
    } elsif ($tag eq 'formularesponse') {
       $result.= '<br /><br /><font color="red">
                              <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
                              </textarea></font> <br /><br />';
    }
       } 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') {
    $result.='</td></tr>'.&Apache::edit::end_table;
       } elsif ($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"} = $tag;
       my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
       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,$safeeval);
    #}
       }
       if ($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 {
    $ans.= " Sig <i>$siglow - $sighigh</i>";
       }
    }
    $result.=&Apache::response::answer_part($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"} }, $low);
    }
       }
    }
    if (defined($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: <b>$unit</b>");
    }
       } elsif ($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 start_numericalresponse {  sub get_table_sizes {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($number_of_bubbles,$rbubble_values)=@_;
   my $id = &Apache::response::start_response($parstack,$safeeval);      my $scale=2; #mm for one digit
   my $result;      my $cell_width=0;
   if ($target eq 'edit') {      foreach my $member (@$rbubble_values) {
     $result.=&Apache::edit::tag_start($target,$token,&Apache::lonxml::description($token));   my $cell_width_real=0;
     $result.=&Apache::edit::text_arg('Answer:','answer',$token);   if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
     if ($token->[1] eq 'numericalresponse') {      $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
       $result.=&Apache::edit::text_arg('Unit:','unit',$token,5);   } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
       $result.=&Apache::edit::text_arg('Format:','format',$token,4);      $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 {      } else {
       $result.=&Apache::edit::select_arg('Type:','type',   $ENV{'textwidth'}=~/(\d+)\.?(\d*)/;
  ['cs','ci','mc'],$token)   $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 < $number_of_bubbles) {
       &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them.");
    }
       }
       my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
       my @powers = (1..$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);
   
     }      }
     $result.='</td></tr><tr><td colspan="3">';      &Math::Random::random_set_seed(@oldseed);
   } elsif ($target eq 'modified') {      return (\@bubble_values,\@bubble_display);
     my $constructtag;  }
     if ($token->[1] eq 'numericalresponse') {  
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,  sub get_tolrange {
  'answer','unit','format');      my ($ans,$tol)=@_;
       my ($high,$low);
       if ($tol =~ /%$/) {
    chop($tol);
    my $change=$ans*($tol/100.0);
    $high=$ans+$change;
    $low=$ans-$change;
     } else {      } else {
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,   $high=$ans+$tol;
  'answer','type');   $low=$ans-$tol;
     }      }
     if ($constructtag) {      return ($high,$low);
       $result = &Apache::edit::rebuild_tag($token);  
       $result.=&Apache::edit::handle_insert();  
     }  
   } elsif ($target eq 'meta') {  
     $result=&Apache::response::meta_package_write('numericalresponse');  
   }  
   return $result;  
 }  }
   
 sub end_numericalresponse {  sub get_sigrange {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($sig)=@_;
   my $result = '';      &Apache::lonxml::debug("Got a sig of :$sig:");
   if ( $target eq 'grade' ) {      my $courseid=$ENV{'request.course.id'};
     if ( defined $ENV{'form.submitted'}) {      if (lc($ENV{"course.$courseid.disablesigfigs"}) eq 'yes') {
       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);   return (15,0);
       my $partid = $Apache::inputtags::part;      }
       my $id = $Apache::inputtags::response['-1'];      my $sig_lbound;
       my $response = $ENV{'form.HWVAL'.$id};      my $sig_ubound;
       if ( $response =~ /[^\s]/) {      if ($sig eq '') {
  my %previous = &Apache::response::check_for_previous($response,$partid,$id);   $sig_lbound = 0; #SIG_LB_DEFAULT
  $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;   $sig_ubound =15; #SIG_UB_DEFAULT
  &Apache::lonxml::debug("submitted a $response<br>\n");      } else {
  &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");   ($sig_lbound,$sig_ubound) = split(/,/,$sig);
  $response =~ s/\\/\\\\/g;   if (!defined($sig_lbound)) {
  $response =~ s/\'/\\\'/g;      $sig_lbound = 0; #SIG_LB_DEFAULT
  &Apache::lonxml::debug("current $response");      $sig_ubound =15; #SIG_UB_DEFAULT
  my $expression="&caparesponse_check_list('".$response."','".  
   $$parstack[$#$parstack].  
     ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.  
       ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.  
  "');";  
  $result = &Apache::run::run($expression,$safeeval);  
  my ($awards) = split /:/ , $result;  
  my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);  
  if ( $previous{'used'} && ($previous{'award'} eq $ad) ) {  
   if ($previous{'last'}) {  
     push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');  
   } else {  
     push(@Apache::inputtags::previous,'PREVIOUSLY_USED');  
   }  
  }  
  $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;  
  &Apache::lonxml::debug("$expression");  
  &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");  
  $result='';  
       }  
     }  
   } elsif ($target eq 'web') {  
     my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};  
     my $status = $Apache::inputtags::status['-1'];  
     if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {  
       my $answervar=&Apache::lonxml::get_param('answer',$parstack,$safeeval);  
       my (@answers)=&Apache::run::run("return $answervar",$safeeval,1);  
       if (!defined($answers[0])) { $answers[0]=$answervar; } else {  
  &Apache::lonxml::debug("answers is $#answers :$answers[0]:");  
       }  
       my $formatvar=&Apache::lonxml::get_param('format',$parstack,$safeeval);  
       my (@formats)=&Apache::run::run("return $formatvar",$safeeval,1);  
       if (!defined($formats[0])) { $formats[0]=$formatvar; }  
   
       my $unit=&Apache::lonxml::get_param('unit',$parstack,$safeeval);  
   
       $result="<br></br>The computer got ";  
   
       for (my $i=0; $i <= $#answers; $i++) {  
  my $answer=$answers[$i];  
  my $format;  
  if ($#formats > 0) {  
   $format=$formats[$i];  
  } else {  
   $format=$formats[0];  
  }   }
  if ((defined($format)) && ($format ne '')) {   if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
   &Apache::lonxml::debug("formatting with :$format: answer :$answer:");      }
   $result.=sprintf('%.'.$format,$answer).',';      if (($sig_ubound<$sig_lbound) ||
  } else {   ($sig_lbound > 15) ||
   &Apache::lonxml::debug("no format answer :$answer:");   ($sig =~/(\+|-)/ ) ) {
   $result.="$answer,";   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);
       chop $result;      }
       $result.=" $unit.<br></br>";      return ($sig_ubound,$sig_lbound);
     }  
   } elsif ($target eq 'edit') {  
     $result.='</td></tr>'.&Apache::edit::end_table;  
   }  
   &Apache::response::end_response;  
   return $result;  
 }  }
   
 sub start_stringresponse {  sub start_stringresponse {
   return start_numericalresponse(@_);      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 {  sub end_stringresponse {
   return end_numericalresponse(@_);      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 ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
    &Apache::response::setup_params('stringresponse',$safeeval);
    $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
    if ($Apache::lonhomework::type eq 'exam' ||
       $ENV{'form.submitted'} eq 'scantron') {
       $increment=&Apache::response::scored_response($part,$id);
    } elsif ($Apache::lonhomework::type eq 'survey') {
       if ( !defined($ENV{'form.submitted'})) { return ''; }
       my $response = &Apache::response::getresponse();
       if ( $response =~ /[^\s]/) {
    my %previous=&Apache::response::check_for_previous($response,
      $part,$id);
    $Apache::lonhomework::results{"resource.$part.$id.submission"}=
       $response;
    my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
    &Apache::response::handle_previous(\%previous,$ad);
       }
    } 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<br>\n");
    &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
    $Apache::lonhomework::results{"resource.$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,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
       &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
    }
    &Apache::response::handle_previous(\%previous,$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 {
    $result.=&Apache::response::answer_part('stringresponse',
    "<b>$string</b>");
       }
    } 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') {
    $result.='</td></tr>'.&Apache::edit::end_table;
       }
       if ($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;  1;
 __END__  __END__
    
Removed from v.1.40  
changed lines
  Added in v.1.160

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.