Diff for /loncom/homework/caparesponse/caparesponse.pm between versions 1.144 and 1.166

version 1.144, 2004/04/06 15:54:35 version 1.166, 2005/04/07 06:56:22
Line 30  package Apache::caparesponse; Line 30  package Apache::caparesponse;
 use strict;  use strict;
 use capa;  use capa;
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonnet;
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));      &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
Line 45  sub start_numericalresponse { Line 46  sub start_numericalresponse {
  $result.=&Apache::edit::text_arg('Answer:','answer',$token);   $result.=&Apache::edit::text_arg('Answer:','answer',$token);
  if ($token->[1] eq 'numericalresponse') {   if ($token->[1] eq 'numericalresponse') {
     $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',      $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
      $token);       $token).
    &Apache::loncommon::help_open_topic('numerical_wrong_answers');
     $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).      $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
  &Apache::loncommon::help_open_topic('Physical_Units');   &Apache::loncommon::help_open_topic('Physical_Units');
     $result.=&Apache::edit::text_arg('Format:','format',$token,4).      $result.=&Apache::edit::text_arg('Format:','format',$token,4).
Line 61  sub start_numericalresponse { Line 63  sub start_numericalresponse {
  if ($token->[1] eq 'numericalresponse') {   if ($token->[1] eq 'numericalresponse') {
     $constructtag=&Apache::edit::get_new_args($token,$parstack,      $constructtag=&Apache::edit::get_new_args($token,$parstack,
       $safeeval,'answer',        $safeeval,'answer',
       'incorrect','unit',         'incorrect','unit',
       'format');        'format');
  } elsif ($token->[1] eq 'formularesponse') {   } elsif ($token->[1] eq 'formularesponse') {
     $constructtag=&Apache::edit::get_new_args($token,$parstack,      $constructtag=&Apache::edit::get_new_args($token,$parstack,
Line 86  sub start_numericalresponse { Line 88  sub start_numericalresponse {
     $safeeval);      $safeeval);
     if ($unit =~ /\S/) { $result.=" (in $unit) "; }      if ($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;      return $result;
 }  }
Line 99  sub end_numericalresponse { Line 129  sub end_numericalresponse {
     }      }
     my $tag;      my $tag;
     if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }      if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
     if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {      if ( $target eq 'grade' && &Apache::response::submitted() ) {
  &Apache::response::setup_params($tag,$safeeval);   &Apache::response::setup_params($tag,$safeeval);
  $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);   $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
  my $partid = $Apache::inputtags::part;   my $partid = $Apache::inputtags::part;
Line 115  sub end_numericalresponse { Line 145  sub end_numericalresponse {
  &Apache::lonxml::debug("submitted a $response<br>\n");   &Apache::lonxml::debug("submitted a $response<br>\n");
  &Apache::lonxml::debug($$parstack[-1] . "\n<br>");   &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
   
  if ($ENV{'form.submitted'} eq 'scantron') {   if ( &Apache::response::submitted('scantron')) {
     my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');      my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
     if (!$number_of_bubbles) { $number_of_bubbles=8; }      if (!$number_of_bubbles) { $number_of_bubbles=8; }
     my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);      my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
     my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);      my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
     my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);      my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
     my @values=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect);      if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
     $response=$values[$response];      my ($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;   $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
  my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};   my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
  $$args_ref{'response'}=$response;   $$args_ref{'response'}=$response;
  my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');   my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
   
  foreach my $arg ('type','tol','sig','ans_fmt','unit','calc',   foreach my $arg ('type','tol','sig','format','unit','calc',
  'samples') {   'samples') {
     $$args_ref{$arg}=      $$args_ref{$arg}=
  &Apache::lonxml::get_param($arg,$parstack,$safeeval);   &Apache::lonxml::get_param($arg,$parstack,$safeeval);
Line 145  sub end_numericalresponse { Line 176  sub end_numericalresponse {
  }   }
  #sig fig don't make much sense either   #sig fig don't make much sense either
  if (($Apache::lonhomework::type eq 'exam' ||   if (($Apache::lonhomework::type eq 'exam' ||
      $ENV{'form.submitted'} eq 'scantron') &&       &Apache::response::submitted('scantron')) &&
     $tag eq 'numericalresponse') {      $tag eq 'numericalresponse') {
     delete($$args_ref{'sig'});      delete($$args_ref{'sig'});
  }   }
Line 174  sub end_numericalresponse { Line 205  sub end_numericalresponse {
    $Apache::inputtags::params{'sig'});     $Apache::inputtags::params{'sig'});
  }   }
  &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");   &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
    if ($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::response::handle_previous(\%previous,$ad);
  $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;   $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
  $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;   $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
Line 185  sub end_numericalresponse { Line 221  sub end_numericalresponse {
      $safeeval);       $safeeval);
  my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};   my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
  my $status = $Apache::inputtags::status['-1'];   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="<br />".&mt('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.=" $unit.<br />";  
     }  
  }  
  if ($Apache::lonhomework::type eq 'exam') {   if ($Apache::lonhomework::type eq 'exam') {
     my $partid=$Apache::inputtags::part;      my $partid=$Apache::inputtags::part;
     my $id=$Apache::inputtags::response[-1];      my $id=$Apache::inputtags::response[-1];
Line 235  sub end_numericalresponse { Line 235  sub end_numericalresponse {
     my $unit=&Apache::lonxml::get_param_var('unit',$parstack,      my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
     $safeeval);      $safeeval);
     my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);      my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
     my @bubble_values=&make_numerical_bubbles($number_of_bubbles,      if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
       $target,$answers[0],      my ($bubble_values,$bubble_display)=
       $formats[0],\@incorrect);   &make_numerical_bubbles($number_of_bubbles,
    $target,$answers[0],
    $formats[0],\@incorrect,$safeeval);
     my @alphabet=('A'..'Z');      my @alphabet=('A'..'Z');
     if ($target eq 'web') {      if ($target eq 'web') {
  if ($tag eq 'numericalresponse') {   if ($tag eq 'numericalresponse') {
Line 246  sub end_numericalresponse { Line 248  sub end_numericalresponse {
     my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};      my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
     for (my $ind=0;$ind<$number_of_bubbles;$ind++) {      for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
  my $checked='';   my $checked='';
  if ($previous eq $bubble_values[$ind]) {   if ($previous eq $bubble_values->[$ind]) {
     $checked=" checked='on' ";      $checked=" checked='on' ";
  }   }
  $result.='<td><input type="radio" name="HWVAL_'.$id.   $result.='<td><input type="radio" name="HWVAL_'.$id.
     '" value="'.$bubble_values[$ind].'" '.$checked      '" value="'.$bubble_values->[$ind].'" '.$checked
     .' /><b>'.$alphabet[$ind].'</b>: '.      .' /><b>'.$alphabet[$ind].'</b>: '.
     $bubble_values[$ind].'</td>';      $bubble_display->[$ind].'</td>';
     }      }
     $result.='</tr></table>';      $result.='</tr></table>';
  } elsif ($tag eq 'formularesponse') {   } elsif ($tag eq 'formularesponse') {
Line 266  sub end_numericalresponse { Line 268  sub end_numericalresponse {
  }   }
  if ($tag eq 'numericalresponse') {   if ($tag eq 'numericalresponse') {
     my ($celllength,$number_of_tables,@table_range)=      my ($celllength,$number_of_tables,@table_range)=
  &get_table_sizes($number_of_bubbles,\@bubble_values);   &get_table_sizes($number_of_bubbles,$bubble_display);
     my $j=0;      my $j=0;
     my $cou=0;      my $cou=0;
     $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';      $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
Line 277  sub end_numericalresponse { Line 279  sub end_numericalresponse {
  }   }
  $result.='}';   $result.='}';
  for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {   for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
     $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_values[$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.=' & ';}      if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
  }   }
  $cou += $table_range[$j];   $cou += $table_range[$j];
Line 306  sub end_numericalresponse { Line 308  sub end_numericalresponse {
     push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);      push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
     $Apache::lonhomework::analyze{"$part_id.type"} = $tag;      $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
     my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);      my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
       if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
     push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);      push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
       &Apache::response::check_if_computed($token,$parstack,
    $safeeval,'answer');
  }   }
  if (scalar(@$tagstack)) {   if (scalar(@$tagstack)) {
     &Apache::response::setup_params($tag,$safeeval);      &Apache::response::setup_params($tag,$safeeval);
Line 333  sub end_numericalresponse { Line 338  sub end_numericalresponse {
     }      }
     if ($fmt && $tag eq 'numericalresponse') {      if ($fmt && $tag eq 'numericalresponse') {
  $fmt=~s/e/E/g;   $fmt=~s/e/E/g;
  $ans = sprintf('%.'.$fmt,$ans);   if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
  if ($high) {   if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
     $high=sprintf('%.'.$fmt,$high);   $ans = &format_number($ans,$fmt,$target,$safeeval);
     $low =sprintf('%.'.$fmt,$low);   #if ($high) {
  }   #    $high=&format_number($high,$fmt,$target,$safeeval);
    #    $low =&format_number($low,$fmt,$target,$safeeval);
    #}
     }      }
     if ($target eq 'answer') {      if ($target eq 'answer') {
  if ($high && $tag eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }   if ($high && $tag eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }
  if ($sighigh && $tag eq 'numericalresponse') {   if (defined($sighigh) && $tag eq 'numericalresponse') {
     if ($ENV{'form.answer_output_mode'} eq 'tex') {      if ($env{'form.answer_output_mode'} eq 'tex') {
  $ans.= " Sig $siglow - $sighigh";   $ans.= " Sig $siglow - $sighigh";
     } else {      } else {
  $ans.= " Sig <i>$siglow - $sighigh</i>";   $ans.= " Sig <i>$siglow - $sighigh</i>";
Line 355  sub end_numericalresponse { Line 362  sub end_numericalresponse {
     push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);      push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
     push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);      push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
  }   }
    if ($fmt) {
       push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt);
    }
     }      }
  }   }
  if (defined($unit) and ($unit ne '') and   if (defined($unit) and ($unit ne '') and
     $tag eq 'numericalresponse') {      $tag eq 'numericalresponse') {
     if ($target eq 'answer') {      if ($target eq 'answer') {
  if ($ENV{'form.answer_output_mode'} eq 'tex') {   if ($env{'form.answer_output_mode'} eq 'tex') {
     $result.=&Apache::response::answer_part($tag,      $result.=&Apache::response::answer_part($tag,
     " Unit: $unit ");      " Unit: $unit ");
  } else {   } else {
Line 393  sub get_table_sizes { Line 403  sub get_table_sizes {
     my $cell_width=0;      my $cell_width=0;
     foreach my $member (@$rbubble_values) {      foreach my $member (@$rbubble_values) {
  my $cell_width_real=0;   my $cell_width_real=0;
  if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$\\times\s*10\^{(\+|-)?(\d+)}\$/) {   if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
     $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;      $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
  } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {   } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
     $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;      $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
Line 406  sub get_table_sizes { Line 416  sub get_table_sizes {
     }      }
     $cell_width+=8;       $cell_width+=8; 
     my $textwidth;      my $textwidth;
     if ($ENV{'form.textwidth'} ne '') {      if ($env{'form.textwidth'} ne '') {
  $ENV{'form.textwidth'}=~/(\d*)\.?(\d*)/;   $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
  $textwidth=$1.'.'.$2;   $textwidth=$1.'.'.$2;
     } else {      } else {
  $ENV{'textwidth'}=~/(\d+)\.?(\d*)/;   $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
  $textwidth=$1.'.'.$2;   $textwidth=$1.'.'.$2;
     }      }
     my $bubbles_per_line=int($textwidth/$cell_width);      my $bubbles_per_line=int($textwidth/$cell_width);
     if (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}      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 $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
     my @table_range = ();      my @table_range = ();
     for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}      for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
Line 428  sub get_table_sizes { Line 440  sub get_table_sizes {
 }  }
   
 sub format_number {  sub format_number {
     my ($number,$format,$target)=@_;      my ($number,$format,$target,$safeeval)=@_;
     my $ans;      my $ans;
     if ($format ne '') {      if ($format eq '') {
  $format=~s/e/E/g;  
  $ans = sprintf('%.'.$format,$number);  
     } else {  
  my $format = '';  
  #What is the number? (integer,decimal,floating point)   #What is the number? (integer,decimal,floating point)
  if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {   if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
     $format = '3e';      $format = '3e';
Line 443  sub format_number { Line 451  sub format_number {
  } elsif ($number=~/^(\d*)$/) {   } elsif ($number=~/^(\d*)$/) {
     $format = 'd';      $format = 'd';
  }   }
  $ans = sprintf('%.'.$format,$number);  
     }      }
     if ($target eq 'tex') {      if (!$Apache::lonxml::default_homework_loaded) {
  if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {   &Apache::lonxml::default_homework_load($safeeval);
     my $number = $1;  
     my $power = $2;  
     $power=~s/^\+//;  
     $power=~s/^(-?)0+(\d+)/$1$2/;  
     $ans=$number.'$\times 10^{'.$power.'}$'; #'stupidemacs  
  }  
     }      }
       $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
     return $ans;      return $ans;
 }  }
   
 sub make_numerical_bubbles {  sub make_numerical_bubbles {
     my ($number_of_bubbles,$target,$answer,$format,$incorrect) =@_;      my ($number_of_bubbles,$target,$answer,$format,$incorrect,$safeeval) =@_;
     my @bubble_values = ();      my @bubble_values=();
     &Apache::lonxml::debug("answer is $answer incorrect is $incorrect");      &Apache::lonxml::debug("answer is $answer incorrect is $incorrect");
     my @oldseed=&Math::Random::random_get_seed();      my @oldseed=&Math::Random::random_get_seed();
     if (defined($incorrect) && ref($incorrect)) {      if (defined($incorrect) && ref($incorrect)) {
Line 474  sub make_numerical_bubbles { Line 476  sub make_numerical_bubbles {
     &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values));      &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values));
     &Math::Random::random_set_seed(@oldseed);      &Math::Random::random_set_seed(@oldseed);
     if (defined($format) && $format ne '') {      if (defined($format) && $format ne '') {
    my @bubble_display;
  foreach my $value (@bubble_values) {   foreach my $value (@bubble_values) {
     $value=&format_number($value,$format,$target);      push(@bubble_display,
    &format_number($value,$format,$target,$safeeval));
  }   }
    return (\@bubble_values,\@bubble_display);
       } else {
    return (\@bubble_values,\@bubble_values);
     }      }
     return @bubble_values;  
  }   }
  if (defined($$incorrect[0]) &&   if (defined($$incorrect[0]) &&
     scalar(@$incorrect)+1 < $number_of_bubbles) {      scalar(@$incorrect)+1 < $number_of_bubbles) {
     &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them.");      &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@$incorrect).").");
  }   }
     }      }
     my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors      my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
Line 492  sub make_numerical_bubbles { Line 498  sub make_numerical_bubbles {
     my $power = $powers[$ind];      my $power = $powers[$ind];
     $ind=&Math::Random::random_uniform_integer(1,0,$#factors);      $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
     my $factor = $factors[$ind];      my $factor = $factors[$ind];
       my @bubble_display;
     for ($ind=0;$ind<$number_of_bubbles;$ind++) {      for ($ind=0;$ind<$number_of_bubbles;$ind++) {
  $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));   $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
  $bubble_values[$ind] = &format_number($bubble_values[$ind],   $bubble_display[$ind] = &format_number($bubble_values[$ind],
        $format,$target);         $format,$target,$safeeval);
   
     }      }
     &Math::Random::random_set_seed(@oldseed);      &Math::Random::random_set_seed(@oldseed);
     return @bubble_values;      return (\@bubble_values,\@bubble_display);
 }  }
   
 sub get_tolrange {  sub get_tolrange {
Line 520  sub get_tolrange { Line 527  sub get_tolrange {
 sub get_sigrange {  sub get_sigrange {
     my ($sig)=@_;      my ($sig)=@_;
     &Apache::lonxml::debug("Got a sig of :$sig:");      &Apache::lonxml::debug("Got a sig of :$sig:");
       my $courseid=$env{'request.course.id'};
       if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
    return (15,0);
       }
     my $sig_lbound;      my $sig_lbound;
     my $sig_ubound;      my $sig_ubound;
     if ($sig eq '') {      if ($sig eq '') {
Line 527  sub get_sigrange { Line 538  sub get_sigrange {
  $sig_ubound =15; #SIG_UB_DEFAULT   $sig_ubound =15; #SIG_UB_DEFAULT
     } else {      } else {
  ($sig_lbound,$sig_ubound) = split(/,/,$sig);   ($sig_lbound,$sig_ubound) = split(/,/,$sig);
  if (!$sig_lbound) {   if (!defined($sig_lbound)) {
     $sig_lbound = 0; #SIG_LB_DEFAULT      $sig_lbound = 0; #SIG_LB_DEFAULT
     $sig_ubound =15; #SIG_UB_DEFAULT      $sig_ubound =15; #SIG_UB_DEFAULT
  }   }
  if (!$sig_ubound) { $sig_ubound=$sig_lbound; }   if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
     }      }
     if (($sig_ubound<$sig_lbound) ||      if (($sig_ubound<$sig_lbound) ||
  ($sig_lbound > 15) ||   ($sig_lbound > 15) ||
  ($sig =~/(\+|-)/ ) ) {   ($sig =~/(\+|-)/ ) ) {
  my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";   my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
  if ($ENV{'request.state'} eq 'construct') {   if ($env{'request.state'} eq 'construct') {
     $errormsg.=      $errormsg.=
  &Apache::loncommon::help_open_topic('Significant_Figures');   &Apache::loncommon::help_open_topic('Significant_Figures');
  }   }
Line 551  sub start_stringresponse { Line 562  sub start_stringresponse {
     my $result;      my $result;
     my $id = &Apache::response::start_response($parstack,$safeeval);      my $id = &Apache::response::start_response($parstack,$safeeval);
     if ($target eq 'meta') {      if ($target eq 'meta') {
  &Apache::response::start_response($parstack,$safeeval);  
  $result=&Apache::response::meta_package_write('stringresponse');   $result=&Apache::response::meta_package_write('stringresponse');
  &Apache::response::end_response();  
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result.=&Apache::edit::tag_start($target,$token);   $result.=&Apache::edit::tag_start($target,$token);
  $result.=&Apache::edit::text_arg('Answer:','answer',$token);   $result.=&Apache::edit::text_arg('Answer:','answer',$token);
Line 561  sub start_stringresponse { Line 570  sub start_stringresponse {
  [['cs','Case Sensitive'],['ci','Case Insensitive'],   [['cs','Case Sensitive'],['ci','Case Insensitive'],
   ['mc','Case Insensitive, Any Order'],    ['mc','Case Insensitive, Any Order'],
   ['re','Regular Expression']],$token);    ['re','Regular Expression']],$token);
  $result.=&Apache::edit::checked_arg('Answer Display:','answerdisplay',   $result.=&Apache::edit::text_arg('String to display for answer:',
     [['inline','Inline']],$token);   'answerdisplay',$token);
  $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();   $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {      } elsif ($target eq 'modified') {
        my $constructtag;   my $constructtag;
        $constructtag=&Apache::edit::get_new_args($token,$parstack,   $constructtag=&Apache::edit::get_new_args($token,$parstack,
                                                  $safeeval,'answer',    $safeeval,'answer',
                                                  'type','answerdisplay');    'type','answerdisplay');
        if ($constructtag) {   if ($constructtag) {
            $result = &Apache::edit::rebuild_tag($token);      $result = &Apache::edit::rebuild_tag($token);
            $result.=&Apache::edit::handle_insert();      $result.=&Apache::edit::handle_insert();
        }   }
       } elsif ($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' || $target eq 'grade') {      } elsif ($target eq 'answer' || $target eq 'grade') {
  &Apache::response::reset_params();   &Apache::response::reset_params();
     }      }
Line 592  sub end_stringresponse { Line 611  sub end_stringresponse {
     if (!$Apache::lonxml::default_homework_loaded) {      if (!$Apache::lonxml::default_homework_loaded) {
  &Apache::lonxml::default_homework_load($safeeval);   &Apache::lonxml::default_homework_load($safeeval);
     }      }
     if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {      if ( $target eq 'grade' && &Apache::response::submitted() ) {
  &Apache::response::setup_params('stringresponse',$safeeval);   &Apache::response::setup_params('stringresponse',$safeeval);
  $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);   $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
  if ($Apache::lonhomework::type eq 'exam' ||   if ($Apache::lonhomework::type eq 'exam' ||
     $ENV{'form.submitted'} eq 'scantron') {      &Apache::response::submitted('scantron')) {
     $increment=&Apache::response::scored_response($part,$id);      $increment=&Apache::response::scored_response($part,$id);
  } else {   } else {
     my $response = &Apache::response::getresponse();      my $response = &Apache::response::getresponse();
Line 640  sub end_stringresponse { Line 659  sub end_stringresponse {
     ($ad,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);      ($ad,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
     &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");      &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
  }   }
    if ($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::response::handle_previous(\%previous,$ad);
  $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;   $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
  $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;   $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
Line 648  sub end_stringresponse { Line 672  sub end_stringresponse {
     } elsif ($target eq 'web' || $target eq 'tex') {      } elsif ($target eq 'web' || $target eq 'tex') {
  my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};   my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
  my $status = $Apache::inputtags::status['-1'];   my $status = $Apache::inputtags::status['-1'];
  if (  &Apache::response::show_answer() ) {  
     if ($target eq 'web') {  
  $result=($answerdisplay eq 'inline'?'':"<br />".&mt('The correct answer is')." ")  
     .$answer;  
 #    join(', ',@answers).".<br />";  
     }  
  }  
  if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {   if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
     $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';      $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
     $increment = &Apache::response::repetition();      $increment = &Apache::response::repetition();
Line 669  sub end_stringresponse { Line 686  sub end_stringresponse {
  if ($target eq 'analyze') {   if ($target eq 'analyze') {
     push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");      push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
     $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';      $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
       &Apache::response::check_if_computed($token,$parstack,$safeeval,
    'answer');
  }   }
  &Apache::response::setup_params('stringresponse',$safeeval);   &Apache::response::setup_params('stringresponse',$safeeval);
  if ($target eq 'answer') {   if ($target eq 'answer') {
Line 693  sub end_stringresponse { Line 712  sub end_stringresponse {
     $string='Regular Expression';      $string='Regular Expression';
  }   }
  if ($target eq 'answer') {   if ($target eq 'answer') {
     if ($ENV{'form.answer_output_mode'} eq 'tex') {      if ($env{'form.answer_output_mode'} eq 'tex') {
  $result.=&Apache::response::answer_part('stringresponse',   $result.=&Apache::response::answer_part('stringresponse',
  "$string");   "$string");
     } else {      } else {

Removed from v.1.144  
changed lines
  Added in v.1.166


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