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Diff for /loncom/homework/caparesponse/caparesponse.pm between versions 1.88 and 1.96

version 1.88, 2003/04/07 23:14:52 version 1.96, 2003/05/09 22:00:16
Line 31  use strict; Line 31  use strict;
 use capa;  use capa;
   
 BEGIN {  BEGIN {
   &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));      &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
 }  
   
 sub start_caparesponse {  
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;  
   my $id = &Apache::response::start_response($parstack,$safeeval);  
   return '';  
 }  
   
 sub end_caparesponse {  
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;  
   my $result = '';  
   if ( $target eq 'grade' ) {  
     if ( defined $ENV{'form.submitted'}) {  
       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);  
       my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};  
       if ( $response =~ /[^\s]/) {  
  my $id = $Apache::inputtags::response['-1'];  
  my $previous= &Apache::response::check_for_previous($response,$id,$response);  
  if ( $previous ) {   
   $result = 'PREVIOUSLY_USED';  
  } else {  
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;  
   &Apache::lonxml::debug("submitted a $response<br>\n");  
   &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");  
   my $expression="&caparesponse_check('".$response."','".  
     $$parstack[$#$parstack].  
       ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.  
  ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.  
   "');";  
   $result = &Apache::run::run($expression,$safeeval);  
   my ($ad) = split /:/ , $result;  
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;  
   &Apache::lonxml::debug("$expression");  
   &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");  
  }  
       }  
     }  
   } elsif ($target eq 'web') {  
     #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";  
   }  
   #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");  
   &Apache::response::end_response;  
   return '';  
 }  }
   
 sub start_numericalresponse {  sub start_numericalresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $id = &Apache::response::start_response($parstack,$safeeval);      my $id = &Apache::response::start_response($parstack,$safeeval);
   my $result;      my $result;
   if ($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);
     if ($token->[1] eq 'numericalresponse') {   if ($token->[1] eq 'numericalresponse') {
       $result.=&Apache::edit::text_arg('Unit:','unit',$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 ($token->[1] eq 'stringresponse') {   } elsif ($token->[1] eq 'stringresponse') {
       $result.=&Apache::edit::select_arg('Type:','type',      $result.=&Apache::edit::select_arg('Type:','type',
  [['cs','Case Sensitive'],['ci','Case Insensitive'],   [['cs','Case Sensitive'],['ci','Case Insensitive'],
   ['mc','Case Insensitive, Any Order']],$token);    ['mc','Case Insensitive, Any Order']],$token);
     } elsif ($token->[1] eq 'formularesponse') {   } elsif ($token->[1] eq 'formularesponse') {
       $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40).      $result.=&Apache::edit::text_arg('Sample Points:','samples',
              &Apache::loncommon::help_open_topic('Formula_Response_Sampling');       $token,40).
     }        &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
     $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();   }
   } elsif ($target eq 'modified') {   $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     my $constructtag;      } elsif ($target eq 'modified') {
     if ($token->[1] eq 'numericalresponse') {   my $constructtag;
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,   if ($token->[1] eq 'numericalresponse') {
  'answer','unit','format');      $constructtag=&Apache::edit::get_new_args($token,$parstack,
     } elsif ($token->[1] eq 'stringresponse') {        $safeeval,'answer',
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,        'unit','format');
  'answer','type');   } elsif ($token->[1] eq 'stringresponse') {
     } elsif ($token->[1] eq 'formularesponse') {      $constructtag=&Apache::edit::get_new_args($token,$parstack,
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,        $safeeval,'answer',
  'answer','samples');        'type');
     }   } elsif ($token->[1] eq 'formularesponse') {
     if ($constructtag) {      $constructtag=&Apache::edit::get_new_args($token,$parstack,
       $result = &Apache::edit::rebuild_tag($token);        $safeeval,'answer',
       $result.=&Apache::edit::handle_insert();        'samples');
     }   }
   } elsif ($target eq 'meta') {   if ($constructtag) {
     $result=&Apache::response::meta_package_write('numericalresponse');      $result = &Apache::edit::rebuild_tag($token);
   } elsif ($target eq 'answer' || $target eq 'grade') {      $result.=&Apache::edit::handle_insert();
       &Apache::response::reset_params();   }
   }      } elsif ($target eq 'meta') {
   return $result;   $result=&Apache::response::meta_package_write('numericalresponse');
       } elsif ($target eq 'answer' || $target eq 'grade') {
    &Apache::response::reset_params();
       } elsif ($target eq 'web') {
    my $partid = $Apache::inputtags::part;
    my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
    &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
    #no way to enter units, with radio buttons
    if (lc($hideunit) eq "yes") {
       my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
       $safeeval);
       if ($unit =~ /\S/) { $result.=" (in $unit) "; }
    }
       }
       return $result;
 }  }
   
 sub end_numericalresponse {  sub end_numericalresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result = '';      my $increment=1;
   if (!$Apache::lonxml::default_homework_loaded) {      my $result = '';
       &Apache::lonxml::default_homework_load($safeeval);      if (!$Apache::lonxml::default_homework_loaded) {
   }   &Apache::lonxml::default_homework_load($safeeval);
   if ( $target eq 'grade' ) {      }
     if ( defined $ENV{'form.submitted'}) {      if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
       &Apache::response::setup_params($$tagstack[-1]);   &Apache::response::setup_params($$tagstack[-1]);
       $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'];
       my $response = &Apache::response::getresponse();   if ($Apache::lonhomework::type eq 'exam' && 
       if ( $response =~ /[^\s]/) {      ($$tagstack[-1] eq 'formularesponse' ||
  my $ad;       $$tagstack[-1] eq 'stringresponse')) {
  my %previous = &Apache::response::check_for_previous($response,$partid,$id);      $increment=&Apache::response::scored_response($partid,$id);
  $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;  
  &Apache::lonxml::debug("submitted a $response<br>\n");  
  &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");  
  if ($Apache::lonhomework::type eq 'exam' &&  
    ($$tagstack[-1] eq 'numericalresponse')) {  
     &Apache::response::setrandomnumber();  
     #FIXME the 8 here is based off of number of powers need a parameter  
     my $ind=&Math::Random::random_uniform_integer(1,0,8);  
     if ($ind eq $response) { $ad='CORRECT'; } else { $ad='INCORRECT'; }  
  } else {   } else {
     $response =~ s/\\/\\\\/g;      my $response = &Apache::response::getresponse();
     $response =~ s/\'/\\\'/g;      if ( $response =~ /[^\s]/) {
     &Apache::lonxml::debug("current $response");   my $ad;
     my $expression="&caparesponse_check_list('".$response."','".   my %previous = &Apache::response::check_for_previous($response,$partid,$id);
  $$parstack[-1];   $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
     foreach my $key (keys(%Apache::inputtags::params)) {   &Apache::lonxml::debug("submitted a $response<br>\n");
  $expression.= ';my $'. #'   &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
     $key.'="'.$Apache::inputtags::params{$key}.'"';  
     }   if ($ENV{'form.submitted'} eq 'scantron') {
     if ($$tagstack[-1] eq 'formularesponse') {      my $number_of_bubbles = 8;#default values for number of bubbles
  $expression.=';my $type="fml";';      my (@formats)=&Apache::lonxml::get_param_var('format',
     } elsif ($$tagstack[-1] eq 'numericalresponse') {   $parstack,$safeeval);
  $expression.=';my $type="float";';      my (@answers)=&Apache::lonxml::get_param_var('answer',
     }   $parstack,$safeeval);
     $expression.="');";      my @values=&make_numerical_bubbles($number_of_bubbles,$target,
     $result = &Apache::run::run($expression,$safeeval);         $answers[0],$formats[0]);
     my ($awards) = split /:/ , $result;      $response=$values[$response];
     ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);   } else {
     &Apache::lonxml::debug("$expression");      $response =~ s/\\/\\\\/g;
     &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");      $response =~ s/\'/\\\'/g;
  }   }
  &Apache::response::handle_previous(\%previous,$ad);   &Apache::lonxml::debug("current $response");
  $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;   my $expression="&caparesponse_check_list('".$response."','".
  $result='';      $$parstack[-1];
       }   my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
     }   #no way to enter units, with radio buttons
   } elsif ($target eq 'web' || $target eq 'tex') {   if ($Apache::lonhomework::type eq 'exam' ||
       my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};      lc($hideunit) eq "yes") {
       my $status = $Apache::inputtags::status['-1'];      $expression.=';my $unit=undef;';
       if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {   }
    foreach my $key (keys(%Apache::inputtags::params)) {
       $expression.= ';my $'. #'
    $key.'="'.$Apache::inputtags::params{$key}.'"';
    }
    if ($$tagstack[-1] eq 'formularesponse') {
       $expression.=';my $type="fml";';
    } elsif ($$tagstack[-1] eq 'numericalresponse') {
       $expression.=';my $type="float";';
    }
    $expression.="');";
    $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.$partid.$id.awarddetail"}=$ad;
    $result='';
       }
    }
       } elsif ($target eq 'web' || $target eq 'tex') {
  my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,   my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
      $safeeval);       $safeeval);
  my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,   my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
      $safeeval);   my $status = $Apache::inputtags::status['-1'];
  my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);   if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" || $ENV{'form.texaward'} eq 'SHOW_ANSWER') {
       my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
  if ($target eq 'web') {   $safeeval);
   $result="<br />The correct answer is ";      my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
         } elsif ($target eq 'tex') {      $safeeval);
   #$result='\vskip 0 mm The correct answer is \\texttt{';      if ($target eq 'web') {
         }   $result="<br />The correct answer is ";
  for (my $i=0; $i <= $#answers; $i++) {      } elsif ($target eq 'tex') {
    my $answer=$answers[$i];   if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
    my $format;      $result='\vskip 0 mm The correct answer is \\texttt{ ';
    if ($#formats > 0) {   }
      $format=$formats[$i];      }
    } else {      for (my $i=0; $i <= $#answers; $i++) {
      $format=$formats[0];   my $answer=$answers[$i];
    }   my $format;
    my $formatted;   if ($#formats > 0) {
    if ((defined($format)) && ($format ne '')) {      $format=$formats[$i];
      &Apache::lonxml::debug("formatting with :$format: answer :$answer:");   } else {
      $formatted=sprintf('%.'.$format,$answer).',';      $format=$formats[0];
    } else {   }
      &Apache::lonxml::debug("no format answer :$answer:");   my $formatted;
      $formatted="$answer,";   if ((defined($format)) && ($format ne '')) {
    }      &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
       $formatted=sprintf('%.'.$format,$answer).',';
    if ($target eq 'tex') {   } else {
        $formatted='';      &Apache::lonxml::debug("no format answer :$answer:");
        #$formatted=&Apache::lonxml::latex_special_symbols($formatted);      $formatted="$answer,";
    }   }
    $result.=$formatted;   if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
        }      $result.=$formatted;
    chop $result;   }
    if ($target eq 'web') {   if ($target eq 'tex') {
      $result.=" $unit.<br />";      $formatted='';
    } elsif ($target eq 'tex') {      #$formatted=&Apache::lonxml::latex_special_symbols($formatted);
      #$result.=&Apache::lonxml::latex_special_symbols($unit);   }
      #$result.="}. \\vskip 0 mm ";   $result.=$formatted;
    }      }
        }      chop $result;
       if ($Apache::lonhomework::type eq 'exam') {      if ($target eq 'web') {
       my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);   $result.=" $unit.<br />";
  my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);      } elsif ($target eq 'tex') {
  my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);   if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
  my $number_of_bubbles = 8; #default values for number of bubbles      $result.=&Apache::lonxml::latex_special_symbols($unit);
  my @bubbles_values = ();       $result.="}. \\vskip 0 mm ";
  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      }
  &Apache::response::setrandomnumber();   }
  my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);   if ($Apache::lonhomework::type eq 'exam') {
  my $power = $powers[$ind];      my $number_of_bubbles = 8; #default values for number of bubbles
  $ind=&Math::Random::random_uniform_integer(1,0,$#factors);      my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
  my $factor = $factors[$ind];   $safeeval);
  for ($ind=0;$ind<$number_of_bubbles;$ind++) {      my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
     $bubbles_values[$ind] = $answers[0]*($factor**($power-$powers[$#powers-$ind]));      $safeeval);
  }      my @bubble_values=&make_numerical_bubbles($number_of_bubbles,
  my @alphabet=('A'..'Z');        $target,$answers[0],
         if ($target eq 'web') {        $formats[0]);
   if ($$tagstack[-1] eq 'numericalresponse') {      my @alphabet=('A'..'Z');
     my $id=$Apache::inputtags::response[-1];      my $id=$Apache::inputtags::response[-1];
     if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}      if ($target eq 'web') {
     $result.= '<table border="1"><tr>';   if ($$tagstack[-1] eq 'numericalresponse') {
     for ($ind=0;$ind<$number_of_bubbles;$ind++) {      if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
  my $ans;      $result.= '<table border="1"><tr>';
  if ($formats[0] ne '') {      for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
     $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);   $result.='<td><input type="radio" name="HWVAL_'.$id.
       '" value="'.$bubble_values[$ind].'"><b>'.
    $alphabet[$ind].'</b>: '.
       $bubble_values[$ind].'</td>';
       }
       $result.='</tr></table>';
    } elsif ($$tagstack[-1] eq 'formularesponse') {
       $result.= '<br /><br /><font color="red">
                              <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
                              </textarea></font> <br /><br />';
    }
       } elsif ($target eq 'tex') {
    if (defined $unit and $Apache::lonhomework::type eq 'exam') {
       $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
    }
    if ($$tagstack[-1] eq 'numericalresponse') {
       my ($celllength,$number_of_tables,@table_range)=
    &get_table_sizes($formats[0],$number_of_bubbles);
       my $j=0;
       my $cou=0;
       $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
       for (my $i=0;$i<$number_of_tables;$i++) {
    $result.='\vskip -1 mm \noindent \begin{tabular}{';
    for (my $ind=0;$ind<$table_range[$j];$ind++) {
       $result.='lp{'.$celllength.' mm}';
    }
    $result.='}';
    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[$ind].'} ';
       if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
    }
    $cou += $table_range[$j];
    $j++;
    $result.='\\\\\end{tabular}\vskip 0 mm ';
       }
       $result.='\end{enumerate}';
  } else {   } else {
     my $badans = $bubbles_values[$ind];      $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
     my $format = '';       my $repetition = &Apache::response::repetition();
                     #What is the number? (integer,decimal,floating point)      $result.='\begin{enumerate}';
                     if ($badans=~/^(\d*\.?\d*)(E|e)(\d*)$/) {      for (my $i=0;$i<$repetition;$i++) {
  $format = 'e'.$2;   $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
     } elsif ($badans=~/^(\d*)\.(\d*)$/) {  
  $format = '4f';  
     } elsif ($badans=~/^(\d*)$/) {  
  $format = 'd';  
     }      }
     $ans = sprintf('%.'.$format,$bubbles_values[$ind]);      $increment=$repetition;
       $result.= '\end{enumerate}';
    }
       }
    }
       } elsif ($target eq 'edit') {
    $result.='</td></tr>'.&Apache::edit::end_table;
       } elsif ($target eq 'answer' || $target eq 'analyze') {
   
    my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
    if ($target eq 'analyze') {
       push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
       $Apache::lonhomework::analyze{"$part_id.type"} = $$tagstack[-1];
    }
    &Apache::response::setup_params($$tagstack[-1]);
    my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
    my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
    my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
    my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
   
    if ($target eq 'answer') {
       $result.=&Apache::response::answer_header($$tagstack[-1]);
    }
    for(my $i=0;$i<=$#answers;$i++) {
       my $ans=$answers[$i];
       my $fmt=$formats[0];
       if (@formats && $#formats) {$fmt=$formats[$i];}
       my ($high,$low);
       if ($Apache::inputtags::params{'tol'}) {
    ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
       }
       my ($sighigh,$siglow);
       if ($Apache::inputtags::params{'sig'}) {
    ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
       }
       if ($fmt) {
    $ans = sprintf('%.'.$fmt,$ans);
    if ($high) {
       $high=sprintf('%.'.$fmt,$high);
       $low =sprintf('%.'.$fmt,$low);
    }
       }
       if ($target eq 'answer') {
    if ($high) { $ans.=' ['.$low.','.$high.']'; }
    if ($sighigh) { $ans.= " Sig <i>$siglow - $sighigh</i>"; }
    $result.=&Apache::response::answer_part($$tagstack[-1],$ans);
       } elsif ($target eq 'analyze') {
    push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
    if ($high) {
       push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
       push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
  }   }
     $result.='<td><input type="radio" name="HWVAL_'.$id.'" value="'.$ans.'"><b>'.$alphabet[$ind].'</b>: '.$ans.'</td>';  
     }      }
     $result.='</tr></table>';   }
   } elsif ($$tagstack[-1] eq 'formularesponse') {   if ($unit) {
     $result.= '<br /><br /><font color="red"><textarea name="formulainput" rows="4" cols="50"> </textarea></font> <br /><br />';      if ($target eq 'answer') {
   }   $result.=&Apache::response::answer_part($$tagstack[-1],
  } elsif ($target eq 'tex') {   "Unit: <b>$unit</b>");
  if (defined $unit and $Apache::lonhomework::type eq 'exam') {      } elsif ($target eq 'analyze') {
    $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';   push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} },
          }        $unit);
  if ($$tagstack[-1] eq 'numericalresponse') {      }
      my $max_val = 0;   }
      if ($formats[0]=~m/^(\d+)E([^\d]*)(\d*)$/) {   if ($type || $token->[1] eq 'stringresponse') {
  $max_val=$1+$2+4;      my $string='Case Insensitive';
      } else {      if ($type eq 'mc') {
  $max_val=4;   $string='Multiple Choice';
      }      } elsif ($type eq 'cs') {
      $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2));   $string='Case Sensitive';
  my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10;      } elsif ($type eq 'ci') {
      my @table_range = ();   $string='Case Insensitive';
      my $number_of_tables = int($number_of_bubbles/$max_val);      } elsif ($type eq 'fml') {
  for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}   $string='Formula';
      if ($number_of_bubbles % $max_val != 0) {      }
     $number_of_tables++;      if ($target eq 'answer') {
     push @table_range,($number_of_bubbles % $max_val);   $result.=&Apache::response::answer_part($$tagstack[-1],
  }   '<b>'.$string.'</b>');
      my $j=0;      } elsif ($target eq 'analyze') {
      my $cou=0;   push (@{ $Apache::lonhomework::analyze{"$part_id.type"} },
      $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';        $type);
      for (my $i=0;$i<$number_of_tables;$i++) {      }
  $result.='\vskip -1 mm \noindent \begin{tabular}{';   }
  for ($ind=0;$ind<$table_range[$j];$ind++) {   if ($$tagstack[-1] eq 'formularesponse' && $target eq 'answer') {
      $result.='lp{'.$celllength.' mm}';      my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
  }      $result.=&Apache::response::answer_part($$tagstack[-1],$samples);
  $result.='}';   }
  for ($ind=$cou;$ind<$cou+$table_range[$j];$ind++) {   if ($target eq 'answer') {
      my $ans;      $result.=&Apache::response::answer_footer($$tagstack[-1]);
      if ($formats[0] ne '') {   }
  $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);      }
  if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
      my $number = $1;   $target eq 'tex' || $target eq 'analyze') {
      my $power = $2;   &Apache::lonxml::increment_counter($increment);
      $power=~s/^\+//;      }
      $power=~s/^(-?)0+(\d+)//;      &Apache::response::end_response;
      $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs      return $result;
  }   }
      } else {  
  my $badans = $bubbles_values[$ind];  sub get_table_sizes {
  my $format = '';       my ($format,$number_of_bubbles)=@_;
  #What is the number? (integer,decimal,floating point)      my $max_val = 0;
  if ($badans=~/^(\d*\.?\d*)(E|e)(\d*)$/) {      if ($format=~m/^(\d+)E([^\d]*)(\d*)$/) {
      $format = 'e'.$2;   $max_val=$1+$2+4;
  } elsif ($badans=~/^(\d*)\.(\d*)$/) {      } else {
      $format = '4f';   $max_val=4;
  } elsif ($badans=~/^(\d*)$/) {      }
      $format = 'd';      $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2));
  }      my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10;
  $ans = sprintf('%.'.$format,$bubbles_values[$ind]);      my @table_range = ();
  if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {      my $number_of_tables = int($number_of_bubbles/$max_val);
      my $number = $1;      for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}
      my $power = $2;      if ($number_of_bubbles % $max_val != 0) {
      $power=~s/^\+//;   $number_of_tables++;
      $power=~s/^(-?)0+(\d+)//;   push @table_range,($number_of_bubbles % $max_val);
      $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs      }
  }       return ($celllength,$number_of_tables,@table_range);
      }  }
      $result.='\hskip -3 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -2 mm & {\small '.$ans.'} ';  
      if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}  sub format_number {
  }      my ($number,$format,$target)=@_;
  $cou += $table_range[$j];      my $ans;
  $j++;      if ($format ne '') {
  $result.='\\\\\end{tabular}\vskip 0 mm ';       $ans = sprintf('%.'.$format,$number);
      }      } else {
      $result.='\end{enumerate}';   my $format = '';
      &Apache::lonxml::increment_counter();   #What is the number? (integer,decimal,floating point)
          } else {   if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
      $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';      $format = 'e'.$2;
     my $id = $Apache::inputtags::part;   } elsif ($number=~/^(\d*)\.(\d*)$/) {
     my $weight = &Apache::lonnet::EXT("resource.$id.weight");      $format = '4f';
             my $repetition = int $weight/9;   } elsif ($number=~/^(\d*)$/) {
     if ($weight % 9 != 0) {$repetition++;}       $format = 'd';
       $result.='\begin{enumerate}';   }
       for (my $i=0;$i<$repetition;$i++) {   $ans = sprintf('%.'.$format,$number);
  $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Leave blank on scoring form}\vskip 0 mm';      }
  &Apache::lonxml::increment_counter();      if ($target eq 'tex') {
       }   if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
       $result.= '\end{enumerate}';      my $number = $1;
     }      my $power = $2;
  }      $power=~s/^\+//;
     }      $power=~s/^(-?)0+(\d+)//;
   } elsif ($target eq 'edit') {      $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs
     $result.='</td></tr>'.&Apache::edit::end_table;   }
   } elsif ($target eq 'answer' || $target eq 'analyze') {      }
       return $ans;
       my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";  }
       if ($target eq 'analyze') {  
   push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);  sub make_numerical_bubbles {
   $Apache::lonhomework::analyze{"$part_id.type"} = $$tagstack[-1];      my ($number_of_bubbles,$target,$answer,$format) =@_;
       }      my @bubble_values = ();
       &Apache::response::setup_params($$tagstack[-1]);      my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
       my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);      my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers
       my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);      &Apache::response::setrandomnumber();
       my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);      my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
       my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);      my $power = $powers[$ind];
       $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
       if ($target eq 'answer') {      my $factor = $factors[$ind];
   $result.=&Apache::response::answer_header($$tagstack[-1]);      for ($ind=0;$ind<$number_of_bubbles;$ind++) {
       }   $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
       for(my $i=0;$i<=$#answers;$i++) {   $bubble_values[$ind] = &format_number($bubble_values[$ind],
   my $ans=$answers[$i];         $format,$target);
   my $fmt;  
   if (@formats) {      }
       if ($#formats) {      return @bubble_values;
   $fmt=$formats[$i];  
       } else {  
   $fmt=$formats[0];  
       }  
   }  
   my ($high,$low);  
   if ($Apache::inputtags::params{'tol'}) {  
       ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});  
   }  
   my ($sighigh,$siglow);  
   if ($Apache::inputtags::params{'sig'}) {  
       ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});  
   }  
   if ($fmt) {  
       $ans = sprintf('%.'.$fmt,$ans);  
       if ($high) {  
   $high = sprintf('%.'.$fmt,$high); $low = sprintf('%.'.$fmt,$low);  
       }  
   }  
   if ($target eq 'answer') {  
       if ($high) { $ans.=' ['.$low.','.$high.']'; }  
       if ($sighigh) { $ans.= " Sig <i>$siglow - $sighigh</i>"; }  
       $result.=&Apache::response::answer_part($$tagstack[-1],$ans);  
   } elsif ($target eq 'analyze') {  
       push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} },  
     $ans);  
       if ($high) {  
   push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);  
   push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);  
       }  
   }  
       }  
       if ($unit) {  
   if ($target eq 'answer') {  
       $result.=&Apache::response::answer_part($$tagstack[-1],  
       "Unit: <b>$unit</b>");  
   } elsif ($target eq 'analyze') {  
       push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} },  
     $unit);  
   }  
       }  
       if ($type || $token->[1] eq 'stringresponse') {  
   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') {  
       $result.=&Apache::response::answer_part($$tagstack[-1],  
       '<b>'.$string.'</b>');  
   } elsif ($target eq 'analyze') {  
       push (@{ $Apache::lonhomework::analyze{"$part_id.type"} },  
     $type);  
   }  
       }  
       if ($$tagstack[-1] eq 'formularesponse' && $target eq 'answer') {  
   my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);  
   $result.=&Apache::response::answer_part($$tagstack[-1],$samples);  
       }  
       if ($target eq 'answer') {  
   $result.=&Apache::response::answer_footer($$tagstack[-1]);  
       }  
   }  
   &Apache::response::end_response;  
   return $result;  
 }  }
   
 sub get_tolrange {  sub get_tolrange {
   my ($ans,$tol)=@_;      my ($ans,$tol)=@_;
   my ($high,$low);      my ($high,$low);
   if ($tol =~ /%$/) {      if ($tol =~ /%$/) {
     chop($tol);   chop($tol);
     my $change=$ans*($tol/100.0);   my $change=$ans*($tol/100.0);
     $high=$ans+$change;   $high=$ans+$change;
     $low=$ans-$change;   $low=$ans-$change;
   } else {      } else {
     $high=$ans+$tol;   $high=$ans+$tol;
     $low=$ans-$tol;   $low=$ans-$tol;
   }      }
   return ($high,$low);      return ($high,$low);
 }  }
   
 sub get_sigrange {  sub get_sigrange {
   my ($sig)=@_;      my ($sig)=@_;
   &Apache::lonxml::debug("Got a sig of :$sig:");      &Apache::lonxml::debug("Got a sig of :$sig:");
   my $sig_lbound;      my $sig_lbound;
   my $sig_ubound;      my $sig_ubound;
   if ($sig eq '') {      if ($sig eq '') {
     $sig_lbound = 0; #SIG_LB_DEFAULT   $sig_lbound = 0; #SIG_LB_DEFAULT
     $sig_ubound =15; #SIG_UB_DEFAULT   $sig_ubound =15; #SIG_UB_DEFAULT
   } else {      } else {
     ($sig_lbound,$sig_ubound) = split(/,/,$sig);   ($sig_lbound,$sig_ubound) = split(/,/,$sig);
     if (!$sig_lbound) {   if (!$sig_lbound) {
       $sig_lbound = 0; #SIG_LB_DEFAULT      $sig_lbound = 0; #SIG_LB_DEFAULT
       $sig_ubound =15; #SIG_UB_DEFAULT      $sig_ubound =15; #SIG_UB_DEFAULT
     }   }
     if (!$sig_ubound) { $sig_ubound=$sig_lbound; }   if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
   }      }
   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 $result;
   if ($target eq 'meta') {      if ($target eq 'meta') {
     $result=&Apache::response::meta_package_write('stringresponse');   $result=&Apache::response::meta_package_write('stringresponse');
   } else {      } else {
     $result.=&start_numericalresponse(@_);   $result.=&start_numericalresponse(@_);
   }      }
   return $result;      return $result;
 }  }
   
 sub end_stringresponse {  sub end_stringresponse {
   return end_numericalresponse(@_);      return end_numericalresponse(@_);
 }  }
   
 sub start_formularesponse {  sub start_formularesponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result;      my $result;
   if ($target eq 'meta') {      if ($target eq 'meta') {
     $result=&Apache::response::meta_package_write('formularesponse');   $result=&Apache::response::meta_package_write('formularesponse');
   } else {      } else {
     $result.=&start_numericalresponse(@_);   $result.=&start_numericalresponse(@_);
   }      }
   return $result;      return $result;
 }  }
   
 sub end_formularesponse {  sub end_formularesponse {
   return end_numericalresponse(@_);      return end_numericalresponse(@_);
 }  }
   
 1;  1;
 __END__  __END__
    
Removed from v.1.88  
changed lines
  Added in v.1.96

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