Diff for /loncom/homework/rankresponse.pm between versions 1.16 and 1.66

version 1.16, 2003/07/16 13:14:12 version 1.66, 2011/09/13 21:42:58
Line 24 Line 24
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # 2/21 Guy  
   
 package Apache::rankresponse;  package Apache::rankresponse;
 use strict;  use strict;
 use HTML::Entities();  use HTML::Entities();
 use Apache::optionresponse;  use Apache::optionresponse();
   use Apache::lonlocal;
   use Apache::lonxml;
   use Apache::lonnet;
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));      &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
Line 44  sub start_rankresponse { Line 46  sub start_rankresponse {
     push (@Apache::lonxml::namespace,'rankresponse');      push (@Apache::lonxml::namespace,'rankresponse');
     my $id = &Apache::response::start_response($parstack,$safeeval);      my $id = &Apache::response::start_response($parstack,$safeeval);
     %Apache::hint::rank=();      %Apache::hint::rank=();
       undef(%Apache::response::foilnames);
     if ($target eq 'meta') {      if ($target eq 'meta') {
  $result=&Apache::response::meta_package_write('rankresponse');   $result=&Apache::response::meta_package_write('rankresponse');
     } elsif ($target eq 'edit' ) {      } elsif ($target eq 'edit' ) {
  $result.=&Apache::edit::start_table($token).   $result.=&Apache::edit::start_table($token)
     '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".             .'<tr><td>'.&Apache::lonxml::description($token).'</td>'
     &Apache::edit::deletelist($target,$token)             .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
     ."</td><td>&nbsp".&Apache::edit::end_row()             .&Apache::edit::deletelist($target,$token)
     .&Apache::edit::start_spanning_row();             .'</span></td>'
              .'<td>&nbsp;'.&Apache::edit::end_row()
              .&Apache::edit::start_spanning_row();
   
  $result.=   $result.=
     &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').      &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
     &Apache::edit::select_arg('Randomize Foil Order','randomize',      &Apache::edit::select_arg('Randomize Foil Order:','randomize',
       ['yes','no'],$token).        ['yes','no'],$token).
     &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";      &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
     } elsif ($target eq 'modified') {      } elsif ($target eq 'modified') {
Line 63  sub start_rankresponse { Line 68  sub start_rankresponse {
      $safeeval,'max',       $safeeval,'max',
      'randomize');       'randomize');
  if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }   if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
       } elsif ($target eq 'analyze') {
    my $part_id="$Apache::inputtags::part.$id";
           $Apache::lonhomework::analyze{"$part_id.type"} = 'rankresponse';
    push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
    push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
   
     }      }
     return $result;      return $result;
 }  }
Line 75  sub end_rankresponse { Line 86  sub end_rankresponse {
     pop @Apache::lonxml::namespace;      pop @Apache::lonxml::namespace;
     &Apache::lonxml::deregister('Apache::rankresponse',      &Apache::lonxml::deregister('Apache::rankresponse',
  ('foilgroup','foil','conceptgroup'));   ('foilgroup','foil','conceptgroup'));
       undef(%Apache::response::foilnames);
     return $result;      return $result;
 }  }
   
Line 84  sub start_foilgroup { Line 96  sub start_foilgroup {
     my $result;      my $result;
     %Apache::response::foilgroup=();      %Apache::response::foilgroup=();
     $Apache::rankresponse::conceptgroup=0;      $Apache::rankresponse::conceptgroup=0;
     &Apache::response::setrandomnumber();      &Apache::response::pushrandomnumber(undef,$target);
     return $result;      return $result;
 }  }
   
 sub end_foilgroup {  sub end_foilgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
    $target eq 'tex' || $target eq 'analyze') {
  my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');   my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
  my $randomize = &Apache::lonxml::get_param('randomize',$parstack,   my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
    $safeeval,'-2');     $safeeval,'-2');
Line 99  sub end_foilgroup { Line 112  sub end_foilgroup {
  if (!defined($tol)) { $tol=0; }   if (!defined($tol)) { $tol=0; }
  if ($target eq 'web' || $target eq 'tex') {   if ($target eq 'web' || $target eq 'tex') {
     $result=&displayfoils($target,$max,$randomize,$tol);      $result=&displayfoils($target,$max,$randomize,$tol);
       $Apache::lonxml::post_evaluate=0;
  } elsif ($target eq 'answer' ) {   } elsif ($target eq 'answer' ) {
     $result=&displayanswers($max,$randomize,$tol);      $result=&displayanswers($max,$randomize,$tol);
  } elsif ( $target eq 'grade') {   } elsif ( $target eq 'grade') {
     &grade_response($max,$randomize,$tol);      &grade_response($max,$randomize,$tol);
    } elsif ( $target eq 'analyze') {
       my @shown = &whichfoils($max,$randomize);
       &Apache::response::analyze_store_foilgroup(\@shown,
     ['text','value','location']);
       my $part_id=
    "$Apache::inputtags::part.$Apache::inputtags::response[-1]";
       $Apache::lonhomework::analyze{"$part_id.tol"}=$tol;
    }
    my $part = $Apache::inputtags::part;
    my $id   = $Apache::inputtags::response[-1];
           my ($numrows,$bubbles_per_row);
           if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
               my (@whichfoils)=&whichfoils($max,$randomize);
               ($numrows,$bubbles_per_row) =
                   &Apache::optionresponse::getnumrows(scalar(@whichfoils));
           }
           if ($numrows < 1) {
               $numrows = 1;
           }
           my $increment = &getfoilcounts($max) * $numrows;
    &Apache::lonxml::increment_counter($increment,"$part.$id");
    if ($target eq 'analyze') {
       &Apache::lonhomework::set_bubble_lines();
  }   }
  &Apache::lonxml::increment_counter(&getfoilcounts($max));  
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result=&Apache::edit::end_table();   $result=&Apache::edit::end_table();
     }      }
       &Apache::response::poprandomnumber();
     return $result;      return $result;
 }  }
   
Line 121  sub get_correct_order { Line 158  sub get_correct_order {
     }      }
     @value_names =      @value_names =
  sort {   sort {
     if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] cmp $b->[0]);}      if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
     return 0;      return 0;
  } @value_names;   } @value_names;
     my @value_names_tmp=@value_names;      my @value_names_tmp=@value_names;
Line 152  sub displayanswers { Line 189  sub displayanswers {
     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }      if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
     my @names = @{ $Apache::response::foilgroup{'names'} };      my @names = @{ $Apache::response::foilgroup{'names'} };
     my @whichfoils = &whichfoils($max,$randomize);      my @whichfoils = &whichfoils($max,$randomize);
     my $result=&Apache::response::answer_header('rankresponse');  
     my @correctorder=&get_correct_order($tol,@whichfoils);      my @correctorder=&get_correct_order($tol,@whichfoils);
     foreach my $order (@correctorder) {      my $result;
  $result.=&Apache::response::answer_part('rankresponse',$order);      if ($Apache::lonhomework::type eq 'exam') {
    my @alphabet = ('A'..'Z');
    my $i=0;
    foreach my $order (@correctorder) {
       $result.=&Apache::response::answer_header('rankresponse',$i++);
       $result.=&Apache::response::answer_part('rankresponse',
       $alphabet[$order-1]);
       $result.=&Apache::response::answer_part('rankresponse',$order);
       $result.=&Apache::response::answer_footer('rankresponse');
    }
       } else {
    $result=&Apache::response::answer_header('rankresponse');
    foreach my $order (@correctorder) {
       $result.=&Apache::response::answer_part('rankresponse',$order);
    }
    $result.=&Apache::response::answer_footer('rankresponse');
     }      }
     $result.=&Apache::response::answer_footer('rankresponse');  
     return $result;      return $result;
 }  }
   
 sub check_response_order {  sub check_response_order {
     my (%responsehash)=@_;      my (%responsehash)=@_;
     my @order=sort(values(%responsehash));      my @order=sort( {$a <=> $b} values(%responsehash));
     my $lastvalue=0;      my $lastvalue=0;
     my $expected=1;      my $expected=1;
     my $malformed=0;      my $malformed=0;
Line 181  sub check_response_order { Line 231  sub check_response_order {
 sub grade_response {  sub grade_response {
     my ($max,$randomize,$tol)=@_;      my ($max,$randomize,$tol)=@_;
     my (@whichfoils)=&whichfoils($max,$randomize);      my (@whichfoils)=&whichfoils($max,$randomize);
     if (!defined($ENV{'form.submitted'})) { return; }      if (!&Apache::response::submitted()) { return; }
     my %responsehash;      my %responsehash;
     my %grade;      my %grade;
     my ($temp,$right,$wrong,$ignored)=(0,0,0,0);      my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
     my @correctorder=&get_correct_order($tol,@whichfoils);      my @correctorder=&get_correct_order($tol,@whichfoils);
       my ($numrows,$bubbles_per_row);
       if ($Apache::lonhomework::scantronmode) {
           my $numitems = scalar(@whichfoils);
           ($numrows,$bubbles_per_row) =
               &Apache::optionresponse::getnumrows($numitems);
       }
       if ($numrows < 1) {
           $numrows = 1;
       }
   
     foreach my $name (@whichfoils) {      foreach my $name (@whichfoils) {
  my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};          my $response;
  $responsehash{$name}=$response;          if ($numrows > 1) {
               my $num = $temp;
               my $totalnum;
               for (my $i=0; $i<$numrows; $i++) {
                   my $item = &Apache::response::getresponse($num,'A is 1');
                   if ($item =~ /^\d+$/) {
                       $totalnum = $i*$bubbles_per_row + $item;
                   }
                   $num ++;
               }
               $response = $totalnum;
               $temp += $numrows;
           } else {
               $response = &Apache::response::getresponse($temp,'A is 1');
               $temp ++;
           }
  my $value=shift(@correctorder);   my $value=shift(@correctorder);
  if ( $response =~ /[^\s]/) {   if ( $response =~ /[^\s]/) {
       $responsehash{$name}=$response;
     &Apache::lonxml::debug("submitted a $response for $value<br />\n");      &Apache::lonxml::debug("submitted a $response for $value<br />\n");
     if ($value eq $response) {      if ($value eq $response) {
  $grade{$name}='1'; $right++;   $grade{$name}='1'; $right++;
Line 200  sub grade_response { Line 276  sub grade_response {
  } else {   } else {
     $ignored++;      $ignored++;
  }   }
  $temp++;  
     }      }
     my $malformed=&check_response_order(%responsehash);      my $malformed=&check_response_order(%responsehash);
     my $part=$Apache::inputtags::part;      my $part=$Apache::inputtags::part;
Line 224  sub grade_response { Line 299  sub grade_response {
     $ad='MISSING_ANSWER';      $ad='MISSING_ANSWER';
  }   }
     }      }
       if (($ad eq 'INCORRECT' || $ad eq 'EXACT_ANS')) {
           if ($Apache::lonhomework::type eq 'survey') {
               $ad='SUBMITTED';
           } elsif ($Apache::lonhomework::type eq 'surveycred') {
       $ad='SUBMITTED_CREDIT';
           } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
               $ad='ANONYMOUS';
           } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
               $ad='ANONYMOUS_CREDIT';
           } else {
               $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
           }
       } else {
    $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
       }
       if ($Apache::lonhomework::type eq 'randomizetry') {
           if ($Apache::lonhomework::type eq 'randomizetry') {
               $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichfoils);
           }
       }
     $Apache::lonhomework::results{"resource.$part.$id.submission"}=      $Apache::lonhomework::results{"resource.$part.$id.submission"}=
  $responsestr;   $responsestr;
     $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;  
     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;      $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
     &Apache::response::handle_previous(\%previous,$ad);      &Apache::response::handle_previous(\%previous,$ad);
 }  }
   
   sub format_prior_answer {
       my ($mode,$answer,$other_data) = @_;
       my %lastresponse=&Apache::lonnet::str2hash($answer);
       my $foil_order  =$other_data->[0];
       my %grading     =&Apache::lonnet::str2hash($other_data->[1]);
       my $output;
       foreach my $name (@{ $foil_order }) {
    next if (!defined($lastresponse{$name}));
    $output .= '<tr><td>'.$lastresponse{$name}.'</td></tr>';
       }
       return if (!defined($output));
       $output =
    '<table class="LC_prior_rank">'.$output.'</table>';
       return $output;
   }
   
 sub displayfoils {  sub displayfoils {
     my ($target,$max,$randomize,$tol)=@_;      my ($target,$max,$randomize,$tol)=@_;
     my $result;      my $result;
Line 238  sub displayfoils { Line 348  sub displayfoils {
     my (@whichfoils)=&whichfoils($max,$randomize);      my (@whichfoils)=&whichfoils($max,$randomize);
     my $part=$Apache::inputtags::part;      my $part=$Apache::inputtags::part;
     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};      my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
     my $status=$Apache::inputtags::status[-1];  
     my @whichopt=(1..($#whichfoils+1));      my @whichopt=(1..($#whichfoils+1));
     my @correctorder=&get_correct_order($tol,@whichfoils);      my @correctorder=&get_correct_order($tol,@whichfoils);
     if (($solved =~ /^correct/) || ($status eq  'SHOW_ANSWER')) {      if ( &Apache::response::show_answer() && ($target ne 'tex')) {
  foreach my $name (@whichfoils) {   foreach my $name (@whichfoils) {
     my $text=$Apache::response::foilgroup{$name.'.text'};      my $text=$Apache::response::foilgroup{$name.'.text'};
     my $value=shift(@correctorder);      my $value=shift(@correctorder);
     $result.='<br />'.$value.':'.$text;      if ($target eq 'web') {
    $result.='<br /><b>'.$value.':</b> '.$text;
       } else {
    $result.=' \strut\\\\\strut '.$value.':'.$text;
       }
  }   }
     } else {      } else {
  my $i = 0;   my $i = 0;
  my $temp=0;   my $temp=1;
  my $id=$Apache::inputtags::response[-1];   my $id=$Apache::inputtags::response[-1];
  my $part=$Apache::inputtags::part;   my $part=$Apache::inputtags::part;
  my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};          my ($lastresponse,$newvariation);
           if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
                ($Apache::lonhomework::type eq 'randomizetry')) &&
           ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
               if ($env{'form.'.$part.'.rndseed'} ne
                   $Apache::lonhomework::history{"resource.$part.rndseed"}) {
                   $newvariation = 1;
               }
           }
           unless (((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) || $newvariation) {
               $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
           }
  my %lastresponse=&Apache::lonnet::str2hash($lastresponse);    my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 
  my @alp = splice @alphabet, 0, $#whichopt + 1;   my @alp = splice @alphabet, 0, $#whichopt + 1;
  my $internal_counter=$Apache::lonxml::counter;   my $internal_counter=$Apache::lonxml::counter;
  foreach my $name (@whichfoils) {          my ($numrows,$bubbles_per_row);
           if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
               ($numrows,$bubbles_per_row) = 
                   &Apache::optionresponse::getnumrows(scalar(@alp));
           } else {
               $numrows = 1;
           }
           if($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
               $result .= '\strut \\\\ \strut \\\\' ;
           }
           foreach my $name (@whichfoils) {
     my $lastopt=$lastresponse{$name};      my $lastopt=$lastresponse{$name};
     my $optionlist='';      my $optionlist='';
     if ($target ne 'tex') {$optionlist="<option></option>\n";}      if ($target ne 'tex') {
                   $optionlist = "<option></option>\n";
               } 
               if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                   my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&rankresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
                   $optionlist =  &Apache::lonxml::print_pdf_start_combobox($fieldname);
               }
     my $option;      my $option;
     foreach $option (@whichopt) {      foreach $option (@whichopt) {
  if ($option eq $lastopt) {   if ($option eq $lastopt) {
     if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}      if ($target ne 'tex' ) {
                           $optionlist.="<option selected=\"selected\">$option</option>\n";
                       } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                           $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 
                       }
  } else {   } else {
     if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}      if ($target ne 'tex') {
  }                          $optionlist.="<option>$option</option>\n";
                       } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                           $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 
                       }
    } 
     }      }
     if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {      if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
  $optionlist='<select name="HWVAL_'.   $optionlist='<select onchange="javascript:setSubmittedPart(\''.
     $part.'\');" name="HWVAL_'.
     $Apache::inputtags::response[-1].':'.$temp.'">'.      $Apache::inputtags::response[-1].':'.$temp.'">'.
         $optionlist."</select>\n";          $optionlist."</select>\n";
     } else {      } elsif ($env{'form.pdfFormFields'} eq 'yes') {
                   #do nothing
               } else {
  $optionlist=' '.$temp.' '.$optionlist.' ';   $optionlist=' '.$temp.' '.$optionlist.' ';
     }      }
     my $text=$Apache::response::foilgroup{$name.'.text'};      my $text=$Apache::response::foilgroup{$name.'.text'};
Line 283  sub displayfoils { Line 434  sub displayfoils {
     $result.='<br />'.$text."\n";      $result.='<br />'.$text."\n";
  }   }
  if ($Apache::lonhomework::type eq 'exam') {   if ($Apache::lonhomework::type eq 'exam') {
     $result.=&Apache::optionresponse::webbubbles(\@alp,\@whichopt,$temp);      my @values=(1..scalar(@whichopt));
       $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
  }   }
     } else {      } else {
  if ($Apache::lonhomework::type eq 'exam') {   if ($Apache::lonhomework::type eq 'exam') {
     $result.='\vskip 0 mm   '.$text.' \vskip -3 mm '."\n";                      my $itemlabel;
     $result.='\vskip -5 mm\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@alp,\@whichopt).'}\end{enumerate} \vskip -5 mm \strut ';                      if ($numrows == 1) {
     $internal_counter++;                          $itemlabel = '\item[\textbf{'.$internal_counter.'}]';
                       } else {
                           my $linetext;
                           for (my $i=0; $i<$numrows; $i++) {
                               $linetext .= $internal_counter+$i.', ';
                           }
                           $linetext =~ s/,\s$//;
                           $itemlabel = '\item[\small {\textbf{'.$linetext.'}}]'.
                                        ' {\footnotesize '.
                                        &mt('(Bubble once in [_1] lines)',$numrows).
                                        '} \hspace*{\fill} \\\\';
                       }
       $result .= '\vskip 0 mm '.$text.' \vskip 0 mm '."\n";
       $result .= '\vskip -1 mm';
                       $result .= '\begin{enumerate}'.$itemlabel;
       $result .= &Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse',undef,$numrows,$bubbles_per_row,$internal_counter);
                       $result .= '\end{enumerate} \vskip -8 mm \strut ';
       $internal_counter += $numrows;
  } else {   } else {
     $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";                      if($env{'form.pdfFormFields'} ne 'yes') {
           $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
                       } else {
                           $result.= $optionlist.' '. &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
                       }
  }   }
     }      }
     $temp++;      $temp++;
  }   }
     }      }
       if ($target eq 'web') {
           my $questiontype;
           if ($Apache::lonhomework::type eq 'randomizetry') {
               $questiontype = $Apache::lonhomework::type;
           }
    &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
     [\@whichfoils,
      'submissiongrading'],
                                                     $questiontype);
       }
     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}      if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
     return $result;      return $result;
 }  }
Line 341  sub end_conceptgroup { Line 524  sub end_conceptgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     $Apache::rankresponse::conceptgroup=0;      $Apache::rankresponse::conceptgroup=0;
     my $result='';      my $result='';
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
    $target eq 'tex' || $target eq 'analyze') {
  #if not there aren't any foils to display and thus no question   #if not there aren't any foils to display and thus no question
  if (defined(@{ $Apache::response::conceptgroup{'names'} })) {   &Apache::response::pick_foil_for_concept($target,
     my @names = @{ $Apache::response::conceptgroup{'names'} };   ['value','text','location'],
     my $pick=int(&Math::Random::random_uniform() * ($#names+1));   \%Apache::hint::rank,
     my $name=$names[$pick];   $parstack,$safeeval);
     push @{ $Apache::response::foilgroup{'names'} }, $name;  
     $Apache::response::foilgroup{"$name.value"} =  
  $Apache::response::conceptgroup{"$name.value"};  
     $Apache::response::foilgroup{"$name.text"} =  
  $Apache::response::conceptgroup{"$name.text"};  
     $Apache::response::foilgroup{"$name.location"} =  
  $Apache::response::conceptgroup{"$name.location"};  
     my $concept = &Apache::lonxml::get_param('concept',$parstack,  
      $safeeval);  
     $Apache::response::foilgroup{"$name.concept"} = $concept;  
     &Apache::lonxml::debug("Selecting $name in $concept");  
     if ($target eq 'web' || $target eq 'tex') {  
  my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";  
  push(@{ $Apache::hint::rank{"$part_id.concepts"} },  
      $concept);  
  $Apache::hint::rank{"$part_id.concept.$concept"}=  
     $Apache::response::conceptgroup{'names'};  
     }  
  }  
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result=&Apache::edit::end_table();   $result=&Apache::edit::end_table();
     }      }
Line 380  sub insert_conceptgroup { Line 545  sub insert_conceptgroup {
 sub start_foil {  sub start_foil {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';      my $result='';
     if ($target eq 'web' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
  &Apache::lonxml::startredirection;   &Apache::lonxml::startredirection;
    if ($target eq 'analyze') {
       &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
    }
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result=&Apache::edit::tag_start($target,$token,"Foil");   $result=&Apache::edit::tag_start($target,$token,"Foil");
  my $level='-2';   my $level='-2';
Line 408  sub end_foil { Line 576  sub end_foil {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $text ='';      my $text ='';
     my $result = '';      my $result = '';
     if ($target eq 'web' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
  $text=&Apache::lonxml::endredirection;   $text=&Apache::lonxml::endredirection;
     }      }
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
    $target eq 'tex' || $target eq 'analyze') {
  my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);   my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
    if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
       $text='\vskip 5mm $\triangleright$ '.$text;
    }
  if ($value ne 'unused') {   if ($value ne 'unused') {
     my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);      my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
     my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);  
     &Apache::lonxml::debug("Got a name of :$name:");      &Apache::lonxml::debug("Got a name of :$name:");
     if (!$name) { $name=$Apache::lonxml::curdepth; }      if ($name eq "") {
    &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
    $name=$Apache::lonxml::curdepth;
       }
     &Apache::lonxml::debug("Using a name of :$name:");      &Apache::lonxml::debug("Using a name of :$name:");
               if ($name eq "0") {
                   &Apache::lonxml::error(&mt('Foil name [_1] is not supported. Please choose another name.','<b><tt>'.$name.'</tt></b>'));
               }
       if (defined($Apache::response::foilnames{$name})) {
    &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
       }
       $Apache::response::foilnames{$name}++;
       my $location =&Apache::lonxml::get_param('location',$parstack,
        $safeeval);
     if ( $Apache::rankresponse::conceptgroup      if ( $Apache::rankresponse::conceptgroup
  && !&Apache::response::showallfoils() ) {   && !&Apache::response::showallfoils() ) {
  push @{ $Apache::response::conceptgroup{'names'} }, $name;   push @{ $Apache::response::conceptgroup{'names'} }, $name;
  $Apache::response::conceptgroup{"$name.value"} = $value;   $Apache::response::conceptgroup{"$name.value"} = $value;
  if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {   $Apache::response::conceptgroup{"$name.text"} = $text;
     $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;  
  } else {  
     $Apache::response::conceptgroup{"$name.text"} = $text;  
  }  
  $Apache::response::conceptgroup{"$name.location"} = $location;   $Apache::response::conceptgroup{"$name.location"} = $location;
     } else {      } else {
  push @{ $Apache::response::foilgroup{'names'} }, $name;   push @{ $Apache::response::foilgroup{'names'} }, $name;
  $Apache::response::foilgroup{"$name.value"} = $value;   $Apache::response::foilgroup{"$name.value"} = $value;
  if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {   $Apache::response::foilgroup{"$name.text"} = $text;
     $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;  
  } else {  
     if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {  
  $Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;  
     } else {  
  $Apache::response::foilgroup{"$name.text"} = $text;  
     }   
  }  
  $Apache::response::foilgroup{"$name.location"} = $location;   $Apache::response::foilgroup{"$name.location"} = $location;
     }      }
  }   }

Removed from v.1.16  
changed lines
  Added in v.1.66


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