[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 1.119 and 1.126.2.1

version 1.119, 2003/10/23 19:29:24 version 1.126.2.1, 2004/02/19 19:24:38
Line 41  sub start_numericalresponse { Line 41  sub start_numericalresponse {
     if ($target eq 'edit') {      if ($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);
  $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',  
  $token);  
  if ($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 65  sub start_numericalresponse { Line 61  sub start_numericalresponse {
       $safeeval,'answer',        $safeeval,'answer',
       'incorrect','unit',        'incorrect','unit',
       'format');        'format');
  } elsif ($token->[1] eq 'stringresponse') {  
     $constructtag=&Apache::edit::get_new_args($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',        $safeeval,'answer',
Line 103  sub end_numericalresponse { Line 95  sub end_numericalresponse {
     if (!$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->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();
Line 137  sub end_numericalresponse { Line 130  sub end_numericalresponse {
  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 $'. #'
    $key.'="'.$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 $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 $sig=undef;';
  }   }
  if ($$tagstack[-1] eq 'formularesponse') {  
    if ($tag eq 'formularesponse') {
     $expression.=';my $type="fml";';      $expression.=';my $type="fml";';
  } elsif ($$tagstack[-1] eq 'numericalresponse') {   } elsif ($tag eq 'numericalresponse') {
     $expression.=';my $type="float";';      $expression.=';my $type="float";';
  }   }
  $expression.="');";   $expression.="');";
Line 211  sub end_numericalresponse { Line 213  sub end_numericalresponse {
     my $partid=$Apache::inputtags::part;      my $partid=$Apache::inputtags::part;
     my $id=$Apache::inputtags::response[-1];      my $id=$Apache::inputtags::response[-1];
     my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');      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) { $number_of_bubbles=8; }      if (!$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,
Line 222  sub end_numericalresponse { Line 228  sub end_numericalresponse {
       $formats[0],\@incorrect);        $formats[0],\@incorrect);
     my @alphabet=('A'..'Z');      my @alphabet=('A'..'Z');
     if ($target eq 'web') {      if ($target eq 'web') {
  if ($$tagstack[-1] eq 'numericalresponse') {   if ($tag eq 'numericalresponse') {
     if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}      if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
     $result.= '<table border="1"><tr>';      $result.= '<table border="1"><tr>';
     my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};      my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
Line 237  sub end_numericalresponse { Line 243  sub end_numericalresponse {
     $bubble_values[$ind].'</td>';      $bubble_values[$ind].'</td>';
     }      }
     $result.='</tr></table>';      $result.='</tr></table>';
  } elsif ($$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 246  sub end_numericalresponse { Line 252  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 286  sub end_numericalresponse { Line 292  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,$safeeval);      my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
     push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);      push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
  }   }
  &Apache::response::setup_params($$tagstack[-1]);   if (scalar(@$tagstack)) {
       &Apache::response::setup_params($tag);
    }
  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($$tagstack[-1]);      $result.=&Apache::response::answer_header($tag);
  }   }
  for(my $i=0;$i<=$#answers;$i++) {   for(my $i=0;$i<=$#answers;$i++) {
     my $ans=$answers[$i];      my $ans=$answers[$i];
Line 311  sub end_numericalresponse { Line 319  sub end_numericalresponse {
     if ($Apache::inputtags::params{'sig'}) {      if ($Apache::inputtags::params{'sig'}) {
  ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});   ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
     }      }
     if ($fmt && $$tagstack[-1] eq 'numericalresponse') {      if ($fmt && $tag eq 'numericalresponse') {
  $fmt=~s/e/E/g;   $fmt=~s/e/E/g;
  $ans = sprintf('%.'.$fmt,$ans);   $ans = sprintf('%.'.$fmt,$ans);
  if ($high) {   if ($high) {
Line 320  sub end_numericalresponse { Line 328  sub end_numericalresponse {
  }   }
     }      }
     if ($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($$tagstack[-1],$ans);   $result.=&Apache::response::answer_part($tag,$ans);
     } elsif ($target eq 'analyze') {      } elsif ($target eq 'analyze') {
  push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);   push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
  if ($high) {   if ($high) {
Line 338  sub end_numericalresponse { Line 346  sub end_numericalresponse {
     }      }
  }   }
  if (defined($unit) and ($unit ne '') and   if (defined($unit) and ($unit ne '') and
     $$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 392  sub end_numericalresponse { Line 376  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*)(E|e)(\+|-)?(\d*)/) {
       $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
    } elsif ($member=~/(\d*)\.?(\d*)/) {
       $cell_width_real=(length($1)+length($2)+2)*$scale;
    } else {
       $cell_width_real=(length($member)+1)*$scale;
    }
    if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
       }
       $cell_width+=8;
       my $textwidth;
       if ($ENV{'form.textwidth'} ne '') {
    $ENV{'form.textwidth'}=~/(\d+)/;
    $textwidth=$1;
     } else {      } else {
  $max_val=4;   $ENV{'textwidth'}=~/(\d+)/;
    $textwidth=$1;
     }      }
     $max_val = int(0.9*$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;      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);      $cell_width-=8;
       return ($cell_width,$number_of_tables,@table_range);
 }  }
   
 sub format_number {  sub format_number {
Line 434  sub format_number { Line 434  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 $ans;
Line 448  sub make_numerical_bubbles { Line 448  sub make_numerical_bubbles {
     my @oldseed=&Math::Random::random_get_seed();      my @oldseed=&Math::Random::random_get_seed();
     if (defined($incorrect) && ref($incorrect)) {      if (defined($incorrect) && ref($incorrect)) {
  &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1 gt $number_of_bubbles));   &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1 gt $number_of_bubbles));
  if (scalar(@$incorrect)+1 >= $number_of_bubbles) {   if (defined($$incorrect[0]) &&
       scalar(@$incorrect)+1 >= $number_of_bubbles) {
     &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles");      &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles");
     &Apache::response::setrandomnumber();      &Apache::response::setrandomnumber();
     my @rand_inc=&Math::Random::random_permutation(@$incorrect);      my @rand_inc=&Math::Random::random_permutation(@$incorrect);
Line 461  sub make_numerical_bubbles { Line 462  sub make_numerical_bubbles {
  #FIXME what to do when not enough incorrects specified?   #FIXME what to do when not enough incorrects specified?
     }      }
     my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors      my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
     my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers      my @powers = (1..$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 514  sub get_sigrange { Line 515  sub get_sigrange {
 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);
    $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag;
    $constructtag=&Apache::edit::get_new_args($token,$parstack,
     $safeeval,'answer',
     'type');
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
       $result.=&Apache::edit::handle_insert();
    }
       } elsif ($target eq 'answer' || $target eq 'grade') {
    &Apache::response::reset_params();
     }      }
     return $result;      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);
       &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');
    $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
    if ($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') {
    $result="<br />The correct answer is ".$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.$id.type"} = 'stringresponse';
    }
    &Apache::response::setup_params('stringresponse');
    if ($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.1.119  
changed lines
  Added in v.1.126.2.1

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