Diff for /loncom/homework/caparesponse/caparesponse.pm between versions 1.196 and 1.223

version 1.196, 2006/11/10 17:47:41 version 1.223, 2008/03/06 16:28:22
Line 33  use Safe::Hole; Line 33  use Safe::Hole;
 use Apache::lonmaxima();  use Apache::lonmaxima();
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
   use Apache::response();
 use Storable qw(dclone);  use Storable qw(dclone);
   
 BEGIN {  BEGIN {
Line 40  BEGIN { Line 41  BEGIN {
 }  }
   
 my %answer;  my %answer;
   my @answers;
   sub get_answer { return %answer; };
   sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) }
   sub pop_answer { %answer = %{pop(@answers)}; };
   
 my $cur_name;  my $cur_name;
 my $tag_internal_answer_name = 'INTERNAL';  my $tag_internal_answer_name = 'INTERNAL';
   
Line 55  sub start_answer { Line 61  sub start_answer {
     if (!defined($type)) { $type = 'ordered' };      if (!defined($type)) { $type = 'ordered' };
     $answer{$cur_name}= { 'type' => $type,      $answer{$cur_name}= { 'type' => $type,
   'answers' => [] };    'answers' => [] };
       if ($target eq 'edit') {
     $result.=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::text_arg('Name:','name',$token);
    $result.=&Apache::edit::select_arg('Type:','type',
      [['ordered',  'Ordered'  ],
       ['unordered','Unordered'],],
      $token);
    $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag = &Apache::edit::get_new_args($token,$parstack,
          $safeeval,'name',
          'type');
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
       $result.= &Apache::edit::handle_insert();
    }
       }
     return $result;      return $result;
 }  }
   
 sub end_answer {  sub end_answer {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;      my $result;
       if ($target eq 'edit') {
    $result .= &Apache::edit::tag_end();
       }
   
     undef($cur_name);      undef($cur_name);
     return $result;      return $result;
 }  }
   
   sub insert_answer {
       return '
           <answer>
               <value></value>
           </answer>';
   }
   
 sub start_answergroup {  sub start_answergroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;      my $result;
       if ($target eq 'edit') {
     $result.=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::select_arg('Type:','type',
      [['ordered',  'Ordered'  ],
       ['unordered','Unordered'],],
      $token);
    $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag = &Apache::edit::get_new_args($token,$parstack,
          $safeeval,'name',
          'type');
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
       $result.= &Apache::edit::handle_insert();
    }
       }
     return $result;      return $result;
 }  }
   
Line 82  sub end_answergroup { Line 132  sub end_answergroup {
     $target,$token,$tagstack,$parstack,$parser,      $target,$token,$tagstack,$parstack,$parser,
     $safeeval,-2);      $safeeval,-2);
  }   }
       } elsif ($target eq 'edit') {
    $result .= &Apache::edit::tag_end();
     }      }
     return $result;      return $result;
 }  }
   
   sub insert_answergroup {
       return '
       <answergroup>
           <answer>
               <value></value>
           </answer>
       </answergroup>';
   }
   
 sub start_value {  sub start_value {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
Line 98  sub start_value { Line 159  sub start_value {
   
  push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);   push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
   
       } elsif ($target eq 'edit') {
     $result.=&Apache::edit::tag_start($target,$token);
    my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
    $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
       &Apache::edit::end_row();
       } elsif ($target eq 'modified') {
    $result=$token->[4].&Apache::edit::modifiedfield('/value',$parser);
     }      }
     return $result;      return $result;
 }  }
Line 105  sub start_value { Line 173  sub start_value {
 sub end_value {  sub end_value {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;      my $result;
       if ($target eq 'edit') {
    $result = &Apache::edit::end_table();
       }
     return $result;      return $result;
 }  }
   
   sub insert_value {
       return '
               <value></value>';
   }
   
 sub start_vector {  sub start_vector {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
Line 120  sub start_vector { Line 196  sub start_vector {
     @values = split(',',$values[0]);      @values = split(',',$values[0]);
  }   }
  push(@{ $answer{$cur_name}{'answers'} },\@values);   push(@{ $answer{$cur_name}{'answers'} },\@values);
       } elsif ($target eq 'edit') {
     $result.=&Apache::edit::tag_start($target,$token);
    my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
    $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
       &Apache::edit::end_row();
       } elsif ($target eq 'modified') {
    $result=$token->[4].&Apache::edit::modifiedfield('/vector',$parser);
     }      }
     return $result;      return $result;
 }  }
Line 127  sub start_vector { Line 210  sub start_vector {
 sub end_vector {  sub end_vector {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;      my $result;
       if ($target eq 'edit') {
    $result = &Apache::edit::end_table();
       }
     return $result;      return $result;
 }  }
   
   sub insert_vector {
       return '
               <value></value>';
   }
   
 sub start_array {  sub start_array {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
Line 167  sub start_numericalresponse { Line 258  sub start_numericalresponse {
     &Apache::lonxml::register('Apache::caparesponse',      &Apache::lonxml::register('Apache::caparesponse',
       ('answer','answergroup','value','array','unit',        ('answer','answergroup','value','array','unit',
        'vector'));         'vector'));
       push(@Apache::lonxml::namespace,'caparesponse');
     my $id = &Apache::response::start_response($parstack,$safeeval);      my $id = &Apache::response::start_response($parstack,$safeeval);
     my $result;      my $result;
     undef(%answer);      undef(%answer);
Line 231  sub set_answertext { Line 323  sub set_answertext {
  $response_level) = @_;   $response_level) = @_;
     &add_in_tag_answer($parstack,$safeeval,$response_level);      &add_in_tag_answer($parstack,$safeeval,$response_level);
   
       if ($name eq '' || !ref($answer{$name})) {
    if (ref($answer{$tag_internal_answer_name})) {
       $name = $tag_internal_answer_name;
    } else {
       $name = (sort(keys(%answer)))[0];
    }
       }
     return if ($name eq '' || !ref($answer{$name}));      return if ($name eq '' || !ref($answer{$name}));
   
     my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,      my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
Line 293  sub setup_capa_args { Line 392  sub setup_capa_args {
 sub setup_capa_response {  sub setup_capa_response {
     my ($args_ref,$response) = @_;         my ($args_ref,$response) = @_;   
   
     use Data::Dumper;  
     &Apache::lonxml::debug("response dump is ".&Dumper($response));  
       
     if (ref($response)) {      if (ref($response)) {
  $$args_ref{'response'}=dclone($response);   $$args_ref{'response'}=dclone($response);
     } else {      } else {
Line 324  sub check_submission { Line 420  sub check_submission {
     }      }
           
     if ($tag eq 'formularesponse') {      if ($tag eq 'formularesponse') {
 # if ($$args_ref{'samples'}) {   if ($$args_ref{'samples'}) {
     $$args_ref{'type'}='fml';      $$args_ref{'type'}='fml';
 # } else {   } else {
 #    $$args_ref{'type'}='math';      $$args_ref{'type'}='math';
 # }   }
     } elsif ($tag eq 'numericalresponse') {      } elsif ($tag eq 'numericalresponse') {
  $$args_ref{'type'}='float';   $$args_ref{'type'}='float';
     }      }
           
     &add_in_tag_answer($parstack,$safeeval);      &add_in_tag_answer($parstack,$safeeval);
   
       if (!%answer) {
    &Apache::lonxml::error("No answers are defined");
       }
   
     my (@final_awards,@final_msgs,@names);      my (@final_awards,@final_msgs,@names);
     foreach my $name (keys(%answer)) {      foreach my $name (keys(%answer)) {
  &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));   &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
Line 366  sub add_in_tag_answer { Line 466  sub add_in_tag_answer {
     my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,      my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
       $response_level);        $response_level);
     &Apache::lonxml::debug('answer is'.join(':',@answer));      &Apache::lonxml::debug('answer is'.join(':',@answer));
     if (@answer && defined($answer[0])) {      if (@answer && $answer[0] =~ /\S/) {
  $answer{$tag_internal_answer_name}= {'type' => 'ordered',   $answer{$tag_internal_answer_name}= {'type' => 'ordered',
      'answers' => [\@answer] };       'answers' => [\@answer] };
     }      }
 }  }
   
   sub capa_formula_fix {
      my ($expression)=@_;
      return &Apache::response::implicit_multiplication($expression);
   }
   
 sub end_numericalresponse {  sub end_numericalresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   
       &Apache::lonxml::deregister('Apache::caparesponse',
         ('answer','answergroup','value','array','unit',
          'vector'));
       pop(@Apache::lonxml::namespace);
   
     my $increment=1;      my $increment=1;
     my $result = '';      my $result = '';
     if (!$Apache::lonxml::default_homework_loaded) {      if (!$Apache::lonxml::default_homework_loaded) {
Line 384  sub end_numericalresponse { Line 495  sub end_numericalresponse {
     my $tag;      my $tag;
     my $safehole = new Safe::Hole;      my $safehole = new Safe::Hole;
     $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);      $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
     $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');  
   
     if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }      if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
     if ( $target eq 'grade' && &Apache::response::submitted() ) {      if ( $target eq 'grade' && &Apache::response::submitted() ) {
Line 400  sub end_numericalresponse { Line 510  sub end_numericalresponse {
  &Apache::lonxml::debug($$parstack[-1] . "\n<br>");   &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
   
  if ( &Apache::response::submitted('scantron')) {   if ( &Apache::response::submitted('scantron')) {
       &add_in_tag_answer($parstack,$safeeval);
     my ($values,$display)=&make_numerical_bubbles($partid,$id,      my ($values,$display)=&make_numerical_bubbles($partid,$id,
   $target,$parstack,$safeeval);    $target,$parstack,$safeeval);
     $response=$values->[$response];      $response=$values->[$response];
Line 491  sub end_numericalresponse { Line 602  sub end_numericalresponse {
  }   }
     }      }
  }   }
    &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result.='</td></tr>'.&Apache::edit::end_table;   $result.='</td></tr>'.&Apache::edit::end_table;
     } elsif ($target eq 'answer' || $target eq 'analyze') {      } elsif ($target eq 'answer' || $target eq 'analyze') {
Line 524  sub end_numericalresponse { Line 636  sub end_numericalresponse {
  }   }
  foreach my $name (sort(keys(%answer))) {   foreach my $name (sort(keys(%answer))) {
     my @answers = @{ $answer{$name}{'answers'} };      my @answers = @{ $answer{$name}{'answers'} };
       if ($target eq 'analyze') {
    foreach my $info ('answer','ans_high','ans_low','format') {
       $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
    }
       }
     my ($sigline,$tolline);      my ($sigline,$tolline);
     if ($name ne $tag_internal_answer_name       if ($name ne $tag_internal_answer_name 
  || scalar(keys(%answer)) > 1) {   || scalar(keys(%answer)) > 1) {
Line 543  sub end_numericalresponse { Line 660  sub end_numericalresponse {
  } else {   } else {
     @vector = ($ans);      @vector = ($ans);
  }   }
  if ($target eq 'answer') {   my @all_answer_info;
     my @all_answer_info;   foreach my $element (@vector) {
     foreach my $element (@vector) {      my ($high,$low);
  my ($high,$low);      if ($Apache::inputtags::params{'tol'}) {
  if ($Apache::inputtags::params{'tol'}) {   ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
     ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});      }
  }      if ($target eq 'answer') {
  if ($fmt && $tag eq 'numericalresponse') {   if ($fmt && $tag eq 'numericalresponse') {
     $fmt=~s/e/E/g;      $fmt=~s/e/E/g;
     if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }      if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
Line 561  sub end_numericalresponse { Line 678  sub end_numericalresponse {
     #}      #}
  }   }
  if ($high && $tag eq 'numericalresponse') {   if ($high && $tag eq 'numericalresponse') {
     $element.=' ['.$low.','.$high.']';      $element.=': ['.$low.','.$high.']';
     $tolline .= "[$low, $high]";      $tolline .= "[$low, $high]";
  }   }
  if (defined($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') {
  $element.= " Sig $siglow - $sighigh";   $element.= ": Sig $siglow - $sighigh";
     } else {      } else {
  $element.= " Sig <i>$siglow - $sighigh</i>";   $element.= " Sig <i>$siglow - $sighigh</i>";
  $sigline .= "[$siglow, $sighigh]";   $sigline .= "[$siglow, $sighigh]";
     }      }
  }   }
  push(@all_answer_info,$element);   push(@all_answer_info,$element);
     }  
     $result.= &Apache::response::answer_part($tag,join(', ',@all_answer_info));      } elsif ($target eq 'analyze') {
  } elsif ($target eq 'analyze') {   push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
     my ($high,$low);   if ($high) {
     if ($Apache::inputtags::params{'tol'}) {      push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
  ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});      push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
     }   }
     push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);   if ($fmt) {
     if ($high) {      push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
  push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);   }
  push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);  
     }  
     if ($fmt) {  
  push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt);  
     }      }
  }   }
    if ($target eq 'answer') {
       $result.= &Apache::response::answer_part($tag,join('; ',@all_answer_info));
    }
     }      }
   
     my @fmt_ans;      my @fmt_ans;
Line 671  sub end_numericalresponse { Line 787  sub end_numericalresponse {
     }      }
     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);          if (($tag eq 'formularesponse') && ($target eq 'analyze')) {
               my $type = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.type');
               if ($type eq 'exam') {
                   $increment = &Apache::response::repetition();
               }
           }
    &Apache::lonxml::increment_counter($increment,"$partid.$id");
    if ($target eq 'analyze') {
       &Apache::lonhomework::set_bubble_lines();
    }
     }      }
     &Apache::response::end_response();      &Apache::response::end_response();
     return $result;      return $result;
 }  }
   
   sub format_prior_response_numerical {
       my ($mode,$answer) = @_;
       if (ref($answer)) {
    my $result = '<table class="LC_prior_numerical"><tr>';
    foreach my $element (@{ $answer }) {
       $result.= '<td><span class="LC_prior_numerical">'.
    &HTML::Entities::encode($element,'"<>&').'</span></td>';
    }
    $result.='</tr></table>';
    return $result;
       }
       return '<span class="LC_prior_numerical">'.
       &HTML::Entities::encode($answer,'"<>&').'</span>';
   
   }
   
 sub check_for_answer_errors {  sub check_for_answer_errors {
     my ($parstack,$safeeval) = @_;      my ($parstack,$safeeval) = @_;
     &add_in_tag_answer($parstack,$safeeval);      &add_in_tag_answer($parstack,$safeeval);
Line 693  sub check_for_answer_errors { Line 834  sub check_for_answer_errors {
  } (sort(keys(%counts))));   } (sort(keys(%counts))));
  &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);   &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
     }      }
     use Data::Dumper;  
     &Apache::lonxml::debug("count dump is ".&Dumper(\%counts));  
     my $expected_number_of_inputs = (keys(%counts))[0];      my $expected_number_of_inputs = (keys(%counts))[0];
     if ( $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {      if ( $expected_number_of_inputs > 0 
    && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
  &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",    &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.", 
    $expected_number_of_inputs,     $expected_number_of_inputs,
    scalar(@Apache::inputtags::inputlist)));     scalar(@Apache::inputtags::inputlist)));
Line 732  sub get_table_sizes { Line 872  sub get_table_sizes {
     my $bubbles_per_line=int($textwidth/$cell_width);      my $bubbles_per_line=int($textwidth/$cell_width);
     if ($bubbles_per_line > $number_of_bubbles) {      if ($bubbles_per_line > $number_of_bubbles) {
  $bubbles_per_line=$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;}      } elsif (($bubbles_per_line > $number_of_bubbles/2) 
        && ($number_of_bubbles % 2==0)) {
    $bubbles_per_line=$number_of_bubbles/2;
       }
       if ($bubbles_per_line < 1) {
    $bubbles_per_line=1;
       }
     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 767  sub format_number { Line 913  sub format_number {
   
 sub make_numerical_bubbles {  sub make_numerical_bubbles {
     my ($part,$id,$target,$parstack,$safeeval) =@_;      my ($part,$id,$target,$parstack,$safeeval) =@_;
   
       if (!%answer) {
    &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
    return ([],[],undef);
       }
           
     my $number_of_bubbles =       my $number_of_bubbles = 
  &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);   &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
   
     my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);      my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
     my ($answer)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);      my $name = (exists($answer{$tag_internal_answer_name}) 
    ? $tag_internal_answer_name
    : (sort(keys(%answer)))[0]);
   
       if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
    &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
       }
       if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
    &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
       }
   
       my $answer = $answer{$name}{'answers'}[0][0];
     my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,      my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
    $safeeval);     $safeeval);
     if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }      if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
Line 826  sub make_numerical_bubbles { Line 988  sub make_numerical_bubbles {
     $ind=&Math::Random::random_uniform_integer(1,0,$#factors);      $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
     my $factor = $factors[$ind];      my $factor = $factors[$ind];
     my @bubble_display;      my @bubble_display;
       my $answerfactor=$answer;
       if ($answer==0) { 
          $answerfactor=&Math::Random::random_uniform_integer(1,1,100)/
                        &Math::Random::random_uniform_integer(1,1,10);
       }
     for ($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] = $answerfactor*($factor**($power-$powers[$#powers-$ind]));
  $bubble_display[$ind] = &format_number($bubble_values[$ind],   $bubble_display[$ind] = &format_number($bubble_values[$ind],
        $format,$target,$safeeval);         $format,$target,$safeeval);
   
     }      }
     my $correct = $alphabet[$number_of_bubbles-$power];      my $correct = $alphabet[$number_of_bubbles-$power];
       if ($answer==0) {
          $correct='A';
          $bubble_values[0]=0;
          $bubble_display[0] = &format_number($bubble_values[0],
                                              $format,$target,$safeeval);
       }
     &Math::Random::random_set_seed(@oldseed);      &Math::Random::random_set_seed(@oldseed);
     return (\@bubble_values,\@bubble_display,$correct);      return (\@bubble_values,\@bubble_display,$correct);
 }  }
Line 856  sub get_sigrange { Line 1028  sub get_sigrange {
     my ($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'};      my $courseid=$env{'request.course.id'};
     if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {      if ($env{'request.state'} ne 'construct'
    && lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
  return (15,0);   return (15,0);
     }      }
     my $sig_lbound;      my $sig_lbound;
Line 885  sub get_sigrange { Line 1058  sub get_sigrange {
     return ($sig_ubound,$sig_lbound);      return ($sig_ubound,$sig_lbound);
 }  }
   
   sub format_prior_response_string {
       my ($mode,$answer) =@_;
       return '<span class="LC_prior_string">'.
       &HTML::Entities::encode($answer,'"<>&').'</span>';
   }
   
 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 $result;
Line 1005  sub end_stringresponse { Line 1184  sub end_stringresponse {
     }      }
  }   }
     } elsif ($target eq 'answer' || $target eq 'analyze') {      } elsif ($target eq 'answer' || $target eq 'analyze') {
    &add_in_tag_answer($parstack,$safeeval);
  if ($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.$id.type"} = 'stringresponse';
Line 1015  sub end_stringresponse { Line 1195  sub end_stringresponse {
  if ($target eq 'answer') {   if ($target eq 'answer') {
     $result.=&Apache::response::answer_header('stringresponse');      $result.=&Apache::response::answer_header('stringresponse');
  }   }
 # foreach my $ans (@answers) {   foreach my $name (keys(%answer)) {
     if ($target eq 'answer') {      my @answers = @{ $answer{$name}{'answers'} };
  $result.=&Apache::response::answer_part('stringresponse',$answer);      for (my $i=0;$i<=$#answers;$i++) {
  if ($type eq 're') {   my $answer_part = $answers[$i];
    foreach my $element (@{$answer_part}) {
       if ($target eq 'answer') {
    $result.=&Apache::response::answer_part('stringresponse',
    $element);
       } elsif ($target eq 'analyze') {
    push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
         $element);
       }
    }
    if ($target eq 'answer' && $type eq 're') {
     $result.=&Apache::response::answer_part('stringresponse',      $result.=&Apache::response::answer_part('stringresponse',
     $answerdisplay);      $answerdisplay);
  }   }
     } elsif ($target eq 'analyze') {  
  push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },  
       $answer);  
     }      }
 # }   }
  my $string='Case Insensitive';   my $string='Case Insensitive';
  if ($type eq 'mc') {   if ($type eq 'mc') {
     $string='Multiple Choice';      $string='Multiple Choice';
Line 1054  sub end_stringresponse { Line 1241  sub end_stringresponse {
  }   }
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result.='</td></tr>'.&Apache::edit::end_table;   $result.='</td></tr>'.&Apache::edit::end_table;
       } elsif ($target eq 'web' || $target eq 'tex') {
    &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
     }      }
     if ($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' || $target eq 'analyze') {
  &Apache::lonxml::increment_counter(&Apache::response::repetition());   &Apache::lonxml::increment_counter(&Apache::response::repetition(),
      "$part.$id");
    if ($target eq 'analyze') {
       &Apache::lonhomework::set_bubble_lines();
    }
     }      }
     &Apache::response::end_response;      &Apache::response::end_response;
     return $result;      return $result;

Removed from v.1.196  
changed lines
  Added in v.1.223


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