[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 1.110 and 1.141

version 1.110, 2003/09/22 13:04:55 version 1.141, 2004/03/12 21:06:19
Line 29 Line 29
 package Apache::caparesponse;  package Apache::caparesponse;
 use strict;  use strict;
 use capa;  use capa;
   use Apache::lonlocal;
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));      &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
Line 42  sub start_numericalresponse { Line 43  sub start_numericalresponse {
  $result.=&Apache::edit::tag_start($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);
  if ($token->[1] eq 'numericalresponse') {   if ($token->[1] eq 'numericalresponse') {
       $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
        $token);
     $result.=&Apache::edit::text_arg('Unit:','unit',$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).
  &Apache::loncommon::help_open_topic('Numerical_Response_Format');   &Apache::loncommon::help_open_topic('Numerical_Response_Format');
  } elsif ($token->[1] eq 'stringresponse') {  
     $result.=&Apache::edit::select_arg('Type:','type',  
  [['cs','Case Sensitive'],['ci','Case Insensitive'],  
   ['mc','Case Insensitive, Any Order']],$token);  
  } elsif ($token->[1] eq 'formularesponse') {   } elsif ($token->[1] eq 'formularesponse') {
     $result.=&Apache::edit::text_arg('Sample Points:','samples',      $result.=&Apache::edit::text_arg('Sample Points:','samples',
      $token,40).       $token,40).
Line 61  sub start_numericalresponse { Line 60  sub start_numericalresponse {
  if ($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',        $safeeval,'answer',
       'unit','format');        'incorrect','unit',
  } elsif ($token->[1] eq 'stringresponse') {        'format');
     $constructtag=&Apache::edit::get_new_args($token,$parstack,  
       $safeeval,'answer',  
       'type');  
  } elsif ($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,
       $safeeval,'answer',        $safeeval,'answer',
Line 100  sub end_numericalresponse { Line 96  sub end_numericalresponse {
     if (!$Apache::lonxml::default_homework_loaded) {      if (!$Apache::lonxml::default_homework_loaded) {
  &Apache::lonxml::default_homework_load($safeeval);   &Apache::lonxml::default_homework_load($safeeval);
     }      }
       my $tag;
       if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
     if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {      if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
  &Apache::response::setup_params($$tagstack[-1]);   &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;
  my $id = $Apache::inputtags::response['-1'];   my $id = $Apache::inputtags::response['-1'];
  if ($Apache::lonhomework::type eq 'exam' &&    if ($Apache::lonhomework::type eq 'exam' && 
     ($$tagstack[-1] eq 'formularesponse' ||      $tag eq 'formularesponse') {
      $$tagstack[-1] eq 'stringresponse')) {  
     $increment=&Apache::response::scored_response($partid,$id);      $increment=&Apache::response::scored_response($partid,$id);
  } else {   } else {
     my $response = &Apache::response::getresponse();      my $response = &Apache::response::getresponse();
     if ( $response =~ /[^\s]/) {      if ( $response =~ /[^\s]/) {
  my $ad;   my $ad;
  my %previous = &Apache::response::check_for_previous($response,$partid,$id);   my %previous = &Apache::response::check_for_previous($response,$partid,$id);
  $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;  
  &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 ($ENV{'form.submitted'} eq 'scantron') {   if ($ENV{'form.submitted'} eq 'scantron') {
     my $number_of_bubbles = 8;#default values for number of bubbles      my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
     my (@formats)=&Apache::lonxml::get_param_var('format',      if (!$number_of_bubbles) { $number_of_bubbles=8; }
  $parstack,$safeeval);      my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
     my (@answers)=&Apache::lonxml::get_param_var('answer',      my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
  $parstack,$safeeval);      my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
     my @values=&make_numerical_bubbles($number_of_bubbles,$target,      my @values=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect);
        $answers[0],$formats[0]);  
     $response=$values[$response];      $response=$values[$response];
  } else {   } else {
     $response =~ s/\\/\\\\/g;      $response =~ s/\\/\\\\/g;
     $response =~ s/\'/\\\'/g;      $response =~ s/\'/\\\'/g;
  }   }
    $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
  &Apache::lonxml::debug("current $response");   &Apache::lonxml::debug("current $response");
  my $expression="&caparesponse_check_list('".$response."','".   my $expression="&caparesponse_check_list('".$response."','".
     $$parstack[-1];      $$parstack[-1];
  my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');   my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
   
    foreach my $key (keys(%Apache::inputtags::params)) {
       $expression.= ';my $__LC__'. #'
    $key.'="'.$Apache::inputtags::params{$key}.'"';
    }
   
  #no way to enter units, with radio buttons   #no way to enter units, with radio buttons
  if ($Apache::lonhomework::type eq 'exam' ||   if ($Apache::lonhomework::type eq 'exam' ||
     lc($hideunit) eq "yes") {      lc($hideunit) eq "yes") {
     $expression.=';my $unit=undef;';      $expression.=';my $__LC__unit=undef;';
  }   }
  foreach my $key (keys(%Apache::inputtags::params)) {   #sig fig don't make much sense either
     $expression.= ';my $'. #'   if (($Apache::lonhomework::type eq 'exam' ||
  $key.'="'.$Apache::inputtags::params{$key}.'"';       $ENV{'form.submitted'} eq 'scantron') &&
       $tag eq 'numericalresponse') {
       $expression.=';my $__LC__sig=undef;';
  }   }
  if ($$tagstack[-1] eq 'formularesponse') {  
     $expression.=';my $type="fml";';   if ($tag eq 'formularesponse') {
  } elsif ($$tagstack[-1] eq 'numericalresponse') {      $expression.=';my $__LC__type="fml";';
     $expression.=';my $type="float";';   } elsif ($tag eq 'numericalresponse') {
       $expression.=';my $__LC__type="float";';
  }   }
  $expression.="');";   $expression.="');";
  my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);   my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
  &Apache::lonxml::debug('answer is'.join(':',@answer));   &Apache::lonxml::debug('answer is'.join(':',@answer));
  @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer;   @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer;
   
  $result = &Apache::run::run($expression,$safeeval);   ($result,my @msgs) = &Apache::run::run($expression,$safeeval);
    &Apache::lonxml::debug('msgs are'.join(':',@msgs));
  my ($awards) = split /:/ , $result;   my ($awards) = split /:/ , $result;
  ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);   ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
  &Apache::lonxml::debug("$expression");   &Apache::lonxml::debug("$expression");
Line 169  sub end_numericalresponse { Line 175  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 = $Apache::inputtags::status['-1'];
  if (   ($award =~ /^correct/   if (  &Apache::response::show_answer() ) {
                 && lc($Apache::lonhomework::problemstatus) ne 'no')  
              || $status eq "SHOW_ANSWER"  
              || $ENV{'form.texaward'} eq 'SHOW_ANSWER') {  
     my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,      my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
  $safeeval);   $safeeval);
     my $unit=&Apache::lonxml::get_param_var('unit',$parstack,      my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
     $safeeval);      $safeeval);
     if ($target eq 'web') {      if ($target eq 'web') {
  $result="<br />The correct answer is ";   $result="<br />".&mt('The correct answer is')." ";
     } elsif ($target eq 'tex') {  
  if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {  
     $result='\vskip 0 mm The correct answer is \\texttt{ ';  
  }  
     }      }
     for (my $i=0; $i <= $#answers; $i++) {      for (my $i=0; $i <= $#answers; $i++) {
  my $answer=$answers[$i];   my $answer=$answers[$i];
Line 201  sub end_numericalresponse { Line 200  sub end_numericalresponse {
     &Apache::lonxml::debug("no format answer :$answer:");      &Apache::lonxml::debug("no format answer :$answer:");
     $formatted="$answer,";      $formatted="$answer,";
  }   }
  if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {  
     $result.=$formatted;  
  }  
  if ($target eq 'tex') {   if ($target eq 'tex') {
     $formatted='';      $formatted='';
     #$formatted=&Apache::lonxml::latex_special_symbols($formatted);      #$formatted=&Apache::lonxml::latex_special_symbols($formatted);
Line 213  sub end_numericalresponse { Line 209  sub end_numericalresponse {
     chop $result;      chop $result;
     if ($target eq 'web') {      if ($target eq 'web') {
  $result.=" $unit.<br />";   $result.=" $unit.<br />";
     } elsif ($target eq 'tex') {  
  if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {  
     $result.=&Apache::lonxml::latex_special_symbols($unit);  
     $result.="}. \\vskip 0 mm ";  
  }  
     }      }
  }   }
  if ($Apache::lonhomework::type eq 'exam') {   if ($Apache::lonhomework::type eq 'exam') {
     my $number_of_bubbles = 8; #default values for number of bubbles      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',$parstack,      my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
  $safeeval);   $safeeval);
     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,$safeeval);
     my @bubble_values=&make_numerical_bubbles($number_of_bubbles,      my @bubble_values=&make_numerical_bubbles($number_of_bubbles,
       $target,$answers[0],        $target,$answers[0],
       $formats[0]);        $formats[0],\@incorrect);
     my @alphabet=('A'..'Z');      my @alphabet=('A'..'Z');
     my $id=$Apache::inputtags::response[-1];  
     if ($target eq 'web') {      if ($target eq 'web') {
  if ($$tagstack[-1] eq 'numericalresponse') {   if ($tag eq 'numericalresponse') {
     if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}      if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
     $result.= '<table border="1"><tr>';      $result.= '<table border="1"><tr>';
       my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
     for (my $ind=0;$ind<$number_of_bubbles;$ind++) {      for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
    my $checked='';
    if ($previous eq $bubble_values[$ind]) {
       $checked=" checked='on' ";
    }
  $result.='<td><input type="radio" name="HWVAL_'.$id.   $result.='<td><input type="radio" name="HWVAL_'.$id.
     '" value="'.$bubble_values[$ind].'"><b>'.      '" value="'.$bubble_values[$ind].'" '.$checked
  $alphabet[$ind].'</b>: '.      .' /><b>'.$alphabet[$ind].'</b>: '.
     $bubble_values[$ind].'</td>';      $bubble_values[$ind].'</td>';
     }      }
     $result.='</tr></table>';      $result.='</tr></table>';
  } elsif ($$tagstack[-1] eq 'formularesponse') {   } elsif ($tag eq 'formularesponse') {
     $result.= '<br /><br /><font color="red">      $result.= '<br /><br /><font color="red">
                            <textarea name="HWVAL_'.$id.'" rows="4" cols="50">                             <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
                            </textarea></font> <br /><br />';                             </textarea></font> <br /><br />';
Line 251  sub end_numericalresponse { Line 254  sub end_numericalresponse {
  if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {   if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
     $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';      $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
  }   }
  if ($$tagstack[-1] eq 'numericalresponse') {   if ($tag eq 'numericalresponse') {
     my ($celllength,$number_of_tables,@table_range)=      my ($celllength,$number_of_tables,@table_range)=
  &get_table_sizes($formats[0],$number_of_bubbles);   &get_table_sizes($number_of_bubbles,\@bubble_values);
     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.'}.]';
     for (my $i=0;$i<$number_of_tables;$i++) {      for (my $i=0;$i<$number_of_tables;$i++) {
  $result.='\vskip -1 mm \noindent \begin{tabular}{';   $result.='\vskip -1 mm \noindent \begin{tabular}{';
  for (my $ind=0;$ind<$table_range[$j];$ind++) {   for (my $ind=0;$ind<$table_range[$j];$ind++) {
     $result.='lp{'.$celllength.' mm}';      $result.='p{3 mm}p{'.$celllength.' mm}';
  }   }
  $result.='}';   $result.='}';
  for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {   for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
     $result.='\hskip -3 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -2 mm & {\small '.$bubble_values[$ind].'} ';      $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_values[$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 291  sub end_numericalresponse { Line 294  sub end_numericalresponse {
  my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";   my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
  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"} = $$tagstack[-1];      $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
       my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
       push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
    }
    if (scalar(@$tagstack)) {
       &Apache::response::setup_params($tag,$safeeval);
  }   }
  &Apache::response::setup_params($$tagstack[-1]);  
  my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);   my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
  my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);   my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
  my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);   my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
  my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);   my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
   
  if ($target eq 'answer') {   if ($target eq 'answer') {
     $result.=&Apache::response::answer_header($$tagstack[-1]);      $result.=&Apache::response::answer_header($tag);
  }   }
  for(my $i=0;$i<=$#answers;$i++) {   for(my $i=0;$i<=$#answers;$i++) {
     my $ans=$answers[$i];      my $ans=$answers[$i];
Line 314  sub end_numericalresponse { Line 321  sub end_numericalresponse {
     if ($Apache::inputtags::params{'sig'}) {      if ($Apache::inputtags::params{'sig'}) {
  ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});   ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
     }      }
     if ($fmt && $$tagstack[-1] eq 'numericalresponse') {      if ($fmt && $tag eq 'numericalresponse') {
    $fmt=~s/e/E/g;
  $ans = sprintf('%.'.$fmt,$ans);   $ans = sprintf('%.'.$fmt,$ans);
  if ($high) {   if ($high) {
     $high=sprintf('%.'.$fmt,$high);      $high=sprintf('%.'.$fmt,$high);
Line 322  sub end_numericalresponse { Line 330  sub end_numericalresponse {
  }   }
     }      }
     if ($target eq 'answer') {      if ($target eq 'answer') {
  if ($high && $$tagstack[-1] eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }   if ($high && $tag eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }
  if ($sighigh && $$tagstack[-1] eq 'numericalresponse') {   if ($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>";
     }      }
  }   }
  $result.=&Apache::response::answer_part($$tagstack[-1],$ans);   $result.=&Apache::response::answer_part($tag,$ans);
     } elsif ($target eq 'analyze') {      } elsif ($target eq 'analyze') {
  push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);   push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
  if ($high) {   if ($high) {
Line 340  sub end_numericalresponse { Line 348  sub end_numericalresponse {
     }      }
  }   }
  if (defined($unit) and ($unit ne '') and   if (defined($unit) and ($unit ne '') and
     $$tagstack[-1] 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($$tagstack[-1],      $result.=&Apache::response::answer_part($tag,
     " Unit: $unit ");      " Unit: $unit ");
  } else {   } else {
     $result.=&Apache::response::answer_part($$tagstack[-1],      $result.=&Apache::response::answer_part($tag,
     "Unit: <b>$unit</b>");      "Unit: <b>$unit</b>");
  }   }
     } elsif ($target eq 'analyze') {      } elsif ($target eq 'analyze') {
  push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);   push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
     }      }
  }   }
  if ($type || $$tagstack[-1] eq 'stringresponse') {   if ($tag eq 'formularesponse' && $target eq 'answer') {
     my $string='Case Insensitive';  
     if ($type eq 'mc') {  
  $string='Multiple Choice';  
     } elsif ($type eq 'cs') {  
  $string='Case Sensitive';  
     } elsif ($type eq 'ci') {  
  $string='Case Insensitive';  
     } elsif ($type eq 'fml') {  
  $string='Formula';  
     }  
     if ($target eq 'answer') {  
  if ($ENV{'form.answer_output_mode'} eq 'tex') {  
     $result.=&Apache::response::answer_part($$tagstack[-1],  
   "$string");  
  } else {  
     $result.=&Apache::response::answer_part($$tagstack[-1],  
     "<b>$string</b>");  
  }  
     } elsif ($target eq 'analyze') {  
  push (@{ $Apache::lonhomework::analyze{"$part_id.str_type"} },  
       $type);  
     }  
  }  
  if ($$tagstack[-1] eq 'formularesponse' && $target eq 'answer') {  
     my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);      my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
     $result.=&Apache::response::answer_part($$tagstack[-1],$samples);      $result.=&Apache::response::answer_part($tag,$samples);
  }   }
  if ($target eq 'answer') {   if ($target eq 'answer') {
     $result.=&Apache::response::answer_footer($$tagstack[-1]);      $result.=&Apache::response::answer_footer($tag);
  }   }
     }      }
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 
  $target eq 'tex' || $target eq 'analyze') {   $target eq 'tex' || $target eq 'analyze') {
  &Apache::lonxml::increment_counter($increment);   &Apache::lonxml::increment_counter($increment);
     }      }
Line 394  sub end_numericalresponse { Line 378  sub end_numericalresponse {
 }  }
   
 sub get_table_sizes {  sub get_table_sizes {
     my ($format,$number_of_bubbles)=@_;      my ($number_of_bubbles,$rbubble_values)=@_;
     my $max_val = 0;      my $scale=2; #mm for one digit
     if ($format=~m/^(\d+)E([^\d]*)(\d*)$/) {      my $cell_width=0;
  $max_val=$1+$2+4;      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 {      } else {
  $max_val=4;   $ENV{'textwidth'}=~/(\d+)\.?(\d*)/;
    $textwidth=$1.'.'.$2;
     }      }
     $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2));      my $bubbles_per_line=int($textwidth/$cell_width);
     my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10;      if (($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 = ();      my @table_range = ();
     my $number_of_tables = int($number_of_bubbles/$max_val);      for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
     for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}      if ($number_of_bubbles % $bubbles_per_line) {
     if ($number_of_bubbles % $max_val != 0) {  
  $number_of_tables++;   $number_of_tables++;
  push @table_range,($number_of_bubbles % $max_val);   push @table_range,($number_of_bubbles % $bubbles_per_line);
     }      }
     return ($celllength,$number_of_tables,@table_range);      $cell_width-=8;
       $cell_width=$cell_width*3/4;
       return ($cell_width,$number_of_tables,@table_range);
 }  }
   
 sub format_number {  sub format_number {
Line 423  sub format_number { Line 427  sub format_number {
  my $format = '';   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 = 'e'.$3;      $format = '3e';
  } elsif ($number=~/^(\d*)\.(\d*)$/) {   } elsif ($number=~/^(\d*)\.(\d*)$/) {
     $format = '4f';      $format = '4f';
  } elsif ($number=~/^(\d*)$/) {   } elsif ($number=~/^(\d*)$/) {
Line 436  sub format_number { Line 440  sub format_number {
     my $number = $1;      my $number = $1;
     my $power = $2;      my $power = $2;
     $power=~s/^\+//;      $power=~s/^\+//;
     $power=~s/^(-?)0+(\d+)//;      $power=~s/^(-?)0+(\d+)/$1$2/;
     $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs      $ans=$number.'$\times 10^{'.$power.'}$'; #'stupidemacs
  }   }
     }      }
     return $ans;      return $ans;
 }  }
   
 sub make_numerical_bubbles {  sub make_numerical_bubbles {
     my ($number_of_bubbles,$target,$answer,$format) =@_;      my ($number_of_bubbles,$target,$answer,$format,$incorrect) =@_;
     my @bubble_values = ();      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($$incorrect[0]) &&
       scalar(@$incorrect)+1 >= $number_of_bubbles) {
       &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles");
       &Apache::response::setrandomnumber();
       my @rand_inc=&Math::Random::random_permutation(@$incorrect);
       @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
       @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
       &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values));
       &Math::Random::random_set_seed(@oldseed);
       if (defined($format) && $format ne '') {
    foreach my $value (@bubble_values) {
       $value=&format_number($value,$format,$target);
    }
       }
       return @bubble_values;
    }
    if (defined($$incorrect[0]) &&
       scalar(@$incorrect)+1 < $number_of_bubbles) {
       &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them.");
    }
       }
     my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors      my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
     my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers      my @powers = (1..$number_of_bubbles);
     &Apache::response::setrandomnumber();      &Apache::response::setrandomnumber();
     my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);      my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
     my $power = $powers[$ind];      my $power = $powers[$ind];
Line 459  sub make_numerical_bubbles { Line 488  sub make_numerical_bubbles {
        $format,$target);         $format,$target);
   
     }      }
       &Math::Random::random_set_seed(@oldseed);
     return @bubble_values;      return @bubble_values;
 }  }
   
Line 493  sub get_sigrange { Line 523  sub get_sigrange {
  }   }
  if (!$sig_ubound) { $sig_ubound=$sig_lbound; }   if (!$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);      return ($sig_ubound,$sig_lbound);
 }  }
   
 sub start_stringresponse {  sub start_stringresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
       my $id = &Apache::response::start_response($parstack,$safeeval);
     if ($target eq 'meta') {      if ($target eq 'meta') {
  &Apache::response::start_response($parstack,$safeeval);   &Apache::response::start_response($parstack,$safeeval);
  $result=&Apache::response::meta_package_write('stringresponse');   $result=&Apache::response::meta_package_write('stringresponse');
  &Apache::response::end_response();   &Apache::response::end_response();
     } else {      } elsif ($target eq 'edit') {
  $result.=&start_numericalresponse(@_);   $result.=&Apache::edit::tag_start($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);
    $result.=&Apache::edit::checked_arg('Answer Display:','answerdisplay',
       [['inline','Inline']],$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 'answer' || $target eq 'grade') {
    &Apache::response::reset_params();
     }      }
     return $result;      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);
    } 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 $ad;
    if ($type eq 're' ) { 
       # if the RE wasn't in a var it likely got munged,
                       # thus grab it from the var directly
   #    my $testans=$token->[2]->{'answer'};
   #    if ($testans !~ m/^\s*\$/) {
   # $answer=$token->[2]->{'answer'};
   #    }
       ${$safeeval->varglob('LONCAPA_INTERNAL_response')}=
    $response;
       $result = &Apache::run::run('return $LONCAPA_INTERNAL_response=~m'.$answer,$safeeval);
       &Apache::lonxml::debug("current $response");
       &Apache::lonxml::debug("current $answer");
       $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
    } else {
       $response =~ s/\\/\\\\/g;
       $response =~ s/\'/\\\'/g;
       &Apache::lonxml::debug("current $response");
       my $expression="&caparesponse_check_list('".$response."','".
    $$parstack[-1];
       foreach my $key (keys(%Apache::inputtags::params)) {
    $expression.= ';my $'. #'
       $key.'="'.$Apache::inputtags::params{$key}.'"';
       }
       $expression.="');";
       &Apache::lonxml::debug('answer is'.join(':',$answer));
       @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=($answer);
       $result = &Apache::run::run($expression,$safeeval);
       my ($awards) = split /:/ , $result;
       ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
       &Apache::lonxml::debug("$expression");
       &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
    }
    &Apache::response::handle_previous(\%previous,$ad);
    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
       }
    }
       } elsif ($target eq 'web' || $target eq 'tex') {
    my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
    my $status = $Apache::inputtags::status['-1'];
    if (  &Apache::response::show_answer() ) {
       if ($target eq 'web') {
    $result=($answerdisplay eq 'inline'?'':"<br />".&mt('The correct answer is')." ")
       .$answer;
   #    join(', ',@answers).".<br />";
       }
    }
    if ($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.$id.type"} = 'stringresponse';
    }
    &Apache::response::setup_params('stringresponse',$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 {  sub start_formularesponse {
Removed from v.1.110  
changed lines
  Added in v.1.141

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