[BACK]Return to response.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / homework

Diff for /loncom/homework/response.pm between versions 1.168 and 1.229

version 1.168, 2007/05/31 04:15:52 version 1.229, 2011/11/29 17:43:30
Line 26 Line 26
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
   
   =pod
   
   =head1 NAME
   
   Apache::response.pm
   
   =head1 SYNOPSIS
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   
   =head1 NOTABLE SUBROUTINES
   
   =over
   
   =item 
   
   =back
   
   =cut
   
   
 package Apache::response;  package Apache::response;
 use strict;  use strict;
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
   use Apache::inputtags();
 use Apache::lonmaxima();  use Apache::lonmaxima();
   use Apache::lonr();
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse'));      &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse'));
Line 112  sub poprandomnumber { Line 137  sub poprandomnumber {
 }  }
   
 sub setrandomnumber {  sub setrandomnumber {
     my ($ignore_id2) = @_;      my ($ignore_id2,$target,$rndseed) = @_;
     my $rndseed;      if (!defined($rndseed)) {
     $rndseed=&Apache::structuretags::setup_rndseed();          $rndseed=&Apache::structuretags::setup_rndseed(undef,$target);
       } 
     if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }      if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }
     &Apache::lonxml::debug("randseed $rndseed");      &Apache::lonxml::debug("randseed $rndseed");
     #  $rndseed=unpack("%32i",$rndseed);      #  $rndseed=unpack("%32i",$rndseed);
Line 154  sub setrandomnumber { Line 180  sub setrandomnumber {
     } else {      } else {
  ($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2");   ($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2");
     }      }
       $Apache::lonhomework::results{'resource.'.$id1.'.rawrndseed'}=$rndseed;
     if ($rndseed =~/([,:])/) {      if ($rndseed =~/([,:])/) {
  my $char=$1;   my $char=$1;
  use integer;   use integer;
Line 171  sub setrandomnumber { Line 197  sub setrandomnumber {
  }   }
     }      }
     &Apache::lonxml::debug("randseed $rndmod $rndseed");      &Apache::lonxml::debug("randseed $rndmod $rndseed");
       $Apache::lonhomework::results{'resource.'.$id1.'.rndseed'}=$rndseed;
     &Apache::lonnet::setup_random_from_rndseed($rndseed);      &Apache::lonnet::setup_random_from_rndseed($rndseed);
     return '';      return '';
 }  }
Line 216  sub meta_stores_write { Line 243  sub meta_stores_write {
       "></stores>\n";        "></stores>\n";
 }  }
   
   =pod
   
   =item mandatory_part_meta()
   
   Autogenerate metadata for mandatory
   input (from RAT or lonparmset) and
   output (to lonspreadsheet)
   of each part
   
   Note: responseid-specific data 'submission' and 'awarddetail'
   not available to spreadsheet -> skip here
   
   =cut
   
   
 sub mandatory_part_meta {  sub mandatory_part_meta {
 #      return &meta_package_write('part').
 # Autogenerate metadata for mandatory             &meta_stores_write('solved','string','Problem Status').
 # input (from RAT or lonparmset) and              &meta_stores_write('tries','int_zeropos','Number of Attempts').
 # output (to lonspreadsheet)             &meta_stores_write('awarded','float','Partial Credit Factor');
 # of each part  
 #  
     return  
 #    &meta_parameter_write('opendate','date_start','',  
 #                          'Opening Date').  
 #    &meta_parameter_write('duedate','date_end','',  
 #                          'Due Date').  
 #    &meta_parameter_write('answerdate','date_start','',  
 #                          'Show Answer Date').  
 #    &meta_parameter_write('weight','int_zeropos','',  
 #                          'Available Points').  
 #    &meta_parameter_write('maxtries','int_pos','',  
 #                          'Maximum Number of Tries').  
  &meta_package_write('part').  
         &meta_stores_write('solved','string',  
    'Problem Status').  
         &meta_stores_write('tries','int_zeropos',  
    'Number of Attempts').  
         &meta_stores_write('awarded','float',  
    'Partial Credit Factor');  
 #  
 # Note: responseid-specific data 'submission' and 'awarddetail'  
 # not available to spreadsheet -> skip here  
 #  
 }  }
   
 sub meta_part_order {  sub meta_part_order {
Line 265  sub meta_response_order { Line 283  sub meta_response_order {
 }  }
   
 sub check_for_previous {  sub check_for_previous {
     my ($curresponse,$partid,$id,$last) = @_;      my ($curresponse,$partid,$id,$last,$type) = @_;
     my %previous;      my %previous;
     $previous{'used'} = 0;      $previous{'used'} = 0;
       my $questiontype = $Apache::lonhomework::type;
       my $curr_rndseed = $env{'form.'.$partid.'.rndseed'};
     foreach my $key (sort(keys(%Apache::lonhomework::history))) {      foreach my $key (sort(keys(%Apache::lonhomework::history))) {
  if ($key =~ /resource\.$partid\.$id\.submission$/) {   if ($key =~ /resource\.\Q$partid\E\.\Q$id\E\.submission$/) {
     if ( $last && $key =~ /^(\d+):/ ) {      if ( $last && $key =~ /^(\d+):/ ) {
  next if ($1 >= $last);   next if ($1 >= $last);
     }      }
     &Apache::lonxml::debug("Trying $key");      &Apache::lonxml::debug("Trying $key");
     my $pastresponse=$Apache::lonhomework::history{$key};      my $pastresponse=$Apache::lonhomework::history{$key};
     if ($pastresponse eq $curresponse) {      if ($pastresponse eq $curresponse) {
  $previous{'used'} = 1;  
  my $history;   my $history;
  if ( $key =~ /^(\d+):/ ) {   if ( $key =~ /^(\d+):/ ) {
     $history=$1;                      $history=$1;
                       next if ((($questiontype eq 'randomizetry') ||
                                ($Apache::lonhomework::history{"$history:resource.$partid.type"} eq 'randomizetry')) &&
                                ($curr_rndseed ne $Apache::lonhomework::history{"$history:resource.$partid.rndseed"}));
     $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};      $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
     $previous{'last'}='0';      $previous{'last'}='0';
     push(@{ $previous{'version'} },$history);      push(@{ $previous{'version'} },$history);
  } else {   } else {
                       next if ((($questiontype eq 'randomizetry') ||
                                ($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry')) &&
                                ($curr_rndseed ne $Apache::lonhomework::history{"resource.$partid.rndseed"}));
     $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};      $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
     $previous{'last'}='1';      $previous{'last'}='1';
  }   }
                   $previous{'used'} = 1;
  if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }   if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
                   if ($previous{'award'} eq 'INTERNAL_ERROR') { $previous{'used'}=0; }
  &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");   &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
     }              } elsif ($type eq 'ci') {
                   if (lc($pastresponse) eq lc($curresponse)) {
                       if ($key =~ /^(\d+):/) {
                           my $history = $1;
                           next if (($questiontype eq 'randomizetry') &&
                                ($curr_rndseed ne $Apache::lonhomework::history{"$history:resource.$partid.rndseed"}));
                           push (@{$previous{'versionci'}},$history);
                           $previous{'awardci'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
                           $previous{'usedci'} = 1;
                       }
                   }
               }
  }   }
     }      }
     &Apache::lonhomework::showhash(%previous);      &Apache::lonhomework::showhash(%previous);
Line 302  sub handle_previous { Line 340  sub handle_previous {
  if ($$previous{'last'}) {   if ($$previous{'last'}) {
     push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');      push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
     push(@Apache::inputtags::previous_version,$$previous{'version'});      push(@Apache::inputtags::previous_version,$$previous{'version'});
  } elsif ($Apache::lonhomework::type ne 'survey') {   } elsif (($Apache::lonhomework::type ne 'survey') &&
                    ($Apache::lonhomework::type ne 'surveycred') &&
                    ($Apache::lonhomework::type ne 'anonsurvey') &&
                    ($Apache::lonhomework::type ne 'anonsurveycred')) {
     push(@Apache::inputtags::previous,'PREVIOUSLY_USED');      push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
     push(@Apache::inputtags::previous_version,$$previous{'version'});      push(@Apache::inputtags::previous_version,$$previous{'version'});
  }   }
Line 383  sub start_customresponse { Line 424  sub start_customresponse {
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result.=&Apache::edit::tag_start($target,$token);   $result.=&Apache::edit::tag_start($target,$token);
  $result.=&Apache::edit::text_arg('String to display for answer:',   $result.=&Apache::edit::text_arg('String to display for answer:',
  'answerdisplay',$token);   'answerdisplay',$token,'50');
  $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();   $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {      } elsif ($target eq 'modified') {
  my $constructtag;   my $constructtag;
Line 423  sub end_customresponse { Line 464  sub end_customresponse {
     ${$safeeval->varglob('LONCAPA::customresponse_submission')}=      ${$safeeval->varglob('LONCAPA::customresponse_submission')}=
  $response;   $response;
           
     my $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);      my ($award,$score) = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
     if (!&Apache::inputtags::valid_award($award)) {      if (!&Apache::inputtags::valid_award($award)) {
  $error = $award;   $error = $award;
  $award = 'ERROR';   $award = 'ERROR';
Line 431  sub end_customresponse { Line 472  sub end_customresponse {
     &Apache::response::handle_previous(\%previous,$award);      &Apache::response::handle_previous(\%previous,$award);
     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=      $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
  $award;   $award;
               if ($award eq 'ASSIGNED_SCORE') {
                   $Apache::lonhomework::results{"resource.$part.$id.awarded"}=1.0*$score;
               }
     if ($error) {      if ($error) {
  $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=   $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=
     $error;      $error;
Line 447  sub end_customresponse { Line 491  sub end_customresponse {
  $result .= &Apache::response::answer_footer('customresponse');   $result .= &Apache::response::answer_footer('customresponse');
     }      }
     if ($target eq 'web') {      if ($target eq 'web') {
  &setup_prior_tries_hash(\&format_prior_response_math);   &setup_prior_tries_hash(\&format_prior_response_custom);
     }      }
     if ($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());          my $repetition = &repetition();
    &Apache::lonxml::increment_counter($repetition,"$part.$id");
    if ($target eq 'analyze') {
               $Apache::lonhomework::analyze{"$part.$id.type"} = 'customresponse';
       &Apache::lonhomework::set_bubble_lines();
    }
     }      }
     pop(@Apache::lonxml::namespace);      pop(@Apache::lonxml::namespace);
     pop(@Apache::response::custom_answer);      pop(@Apache::response::custom_answer);
Line 463  sub end_customresponse { Line 512  sub end_customresponse {
   
 sub format_prior_response_custom {  sub format_prior_response_custom {
     my ($mode,$answer) =@_;      my ($mode,$answer) =@_;
       if (ref($answer) eq 'ARRAY') {
           $answer = '('.join(', ', @{ $answer }).')';
       }
     return '<span class="LC_prior_custom">'.      return '<span class="LC_prior_custom">'.
     &HTML::Entities::encode($answer,'"<>&').'</span>';      &HTML::Entities::encode($answer,'"<>&').'</span>';
 }  }
Line 481  sub start_mathresponse { Line 533  sub start_mathresponse {
    $safeeval);     $safeeval);
     $Apache::inputtags::answertxt{$id}=[$answer];      $Apache::inputtags::answertxt{$id}=[$answer];
  }   }
   
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result.=&Apache::edit::tag_start($target,$token);   $result.=&Apache::edit::tag_start($target,$token);
  $result.=&Apache::edit::text_arg('String to display for answer:',   $result.=&Apache::edit::text_arg('String to display for answer:',
  'answerdisplay',$token);   'answerdisplay',$token,'50');
  $result.=&Apache::edit::select_arg('Algebra System:',   $result.=&Apache::edit::select_arg('Algebra System:',
    'cas',     'cas',
    ['maxima'],     ['maxima','R'],
    $token);     $token);
  $result.=&Apache::edit::text_arg('Argument Array:',   $result.=&Apache::edit::text_arg('Argument Array:',
  'args',$token);   'args',$token).
                    &Apache::loncommon::help_open_topic('Maxima_Argument_Array');
           $result.=&Apache::edit::text_arg('Libraries:',
                                            'libraries',$token).
                    &Apache::loncommon::help_open_topic('Maxima_Libraries');
  $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();   $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {      } elsif ($target eq 'modified') {
  my $constructtag;   my $constructtag;
  $constructtag=&Apache::edit::get_new_args($token,$parstack,   $constructtag=&Apache::edit::get_new_args($token,$parstack,
   $safeeval,'answerdisplay','cas','args');    $safeeval,'answerdisplay','cas','args','libraries');
  if ($constructtag) {   if ($constructtag) {
     $result = &Apache::edit::rebuild_tag($token);      $result = &Apache::edit::rebuild_tag($token);
  }   }
Line 507  sub start_mathresponse { Line 564  sub start_mathresponse {
     return $result;      return $result;
 }  }
   
   sub edit_mathresponse_button {
       my ($id,$field)=@_;
       my $button=&mt('Edit Answer');
   #    my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
       my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
       return(<<ENDFORMULABUTTON);
   <script type="text/javascript" language="JavaScript">
   function edit_${id}_${field} (textarea) {
       thenumber = textarea;
       thedata = document.forms['lonhomework'].elements[textarea].value;
       newwin = window.open("/adm/dragmath/applet/MaximaPopup.html","","width=565,height=400,resizable");
   }
   </script>
   <a href="javascript:edit_${id}_${field}('${field}');void(0);"><img class="stift" src="$iconpath/stift.gif" alt="$button" title="$button" /></a>
   ENDFORMULABUTTON
   }
   
 sub end_mathresponse {  sub end_mathresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;      my $result;
Line 527  sub end_mathresponse { Line 601  sub end_mathresponse {
     my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval);      my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval);
             if ($cas eq 'maxima') {              if ($cas eq 'maxima') {
                 my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];                  my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
                 $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args);                  $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args,
                                                         &Apache::lonxml::get_param('libraries',$parstack,$safeeval));
             }              }
               if ($cas eq 'R') {
                   my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
                   $award=&Apache::lonr::r_run($Apache::response::custom_answer[-1],$response,$args,
                                               &Apache::lonxml::get_param('libraries',$parstack,$safeeval));
               }
   
     if (!&Apache::inputtags::valid_award($award)) {      if (!&Apache::inputtags::valid_award($award)) {
  $error = $award;   $error = $award;
  $award = 'ERROR';   $award = 'ERROR';
Line 544  sub end_mathresponse { Line 625  sub end_mathresponse {
     }      }
     if ($target eq 'web') {      if ($target eq 'web') {
  &setup_prior_tries_hash(\&format_prior_response_math);   &setup_prior_tries_hash(\&format_prior_response_math);
           my $partid = $Apache::inputtags::part;
           my $id = $Apache::inputtags::response[-1];
           if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
              && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
               $result.=&edit_mathresponse_button($id,"HWVAL_$id");
           }
     }      }
   
     pop(@Apache::lonxml::namespace);      pop(@Apache::lonxml::namespace);
Line 569  sub implicit_multiplication { Line 656  sub implicit_multiplication {
     $expression=~s/(\d+)(?:x|\*)10(?:\^|\*\*)([\+\-]*\d+)/$1\&\($2\)/gsi;      $expression=~s/(\d+)(?:x|\*)10(?:\^|\*\*)([\+\-]*\d+)/$1\&\($2\)/gsi;
 # Fill in multiplication signs  # Fill in multiplication signs
 # a b -> a*b;3 b -> 3*b;3 4 -> 3*4  # a b -> a*b;3 b -> 3*b;3 4 -> 3*4
     $expression=~s/(\w)\s+(\w)/$1\*$2/gs;      $expression=~s/([A-Za-z0-9])\s+(?=[A-Za-z0-9])/$1\*/gs;
 # )( -> )*(; ) ( -> )*(  # )( -> )*(; ) ( -> )*(
     $expression=~s/\)\s*\(/\)\*\(/gs;      $expression=~s/\)\s*\(/\)\*\(/gs;
 # 3a -> 3*a; 3( -> 3*(; 3 ( -> 3*(; 3A -> 3*A  # 3a -> 3*a; 3( -> 3*(; 3 ( -> 3*(; 3A -> 3*A
     $expression=~s/(\d)\s*([a-zA-Z\(])/$1\*$2/gs;      $expression=~s/(\d)\s*([a-zA-Z\(])/$1\*$2/gs;
 # a ( -> a*(  # a ( -> a*(
     $expression=~s/(\w)\s+\(/$1\*\(/gs;      $expression=~s/([A-Za-z0-9])\s+\(/$1\*\(/gs;
 # )a -> )*a; )3 -> )*3; ) 3 -> )*3  # )a -> )*a; )3 -> )*3; ) 3 -> )*3
     $expression=~s/\)\s*(\w)/\)\*$1/gs;      $expression=~s/\)\s*([A-Za-z0-9])/\)\*$1/gs;
 # 3&8 -> 3e8; 3&-4 -> 3e-4  # 3&8 -> 3e8; 3&-4 -> 3e-4
     $expression=~s/(\d+)\&\(([\+\-]*\d+)\)/$1e$2/gs;      $expression=~s/(\d+)\&\(([\+\-]*\d+)\)/$1e$2/gs;
     return $expression;      return $expression;
Line 646  sub start_responseparam { Line 733  sub start_responseparam {
     }      }
  }   }
  if (defined($optionlist)) {   if (defined($optionlist)) {
     $result.='Use template: <select name="'.      $result.=&mt('Use template:').' <select name="'.
  &Apache::edit::html_element_name('parameter_package').'">'.   &Apache::edit::html_element_name('parameter_package').'">'.
     '<option value=""></option>'.$optionlist.'</select><br />';      '<option value=""></option>'.$optionlist.'</select><br />';
  }   }
Line 671  sub start_responseparam { Line 758  sub start_responseparam {
  $Apache::lonnet::packagetab{"$tag&$name&display"};   $Apache::lonnet::packagetab{"$tag&$name&display"};
     $token->[2]->{'default'}=      $token->[2]->{'default'}=
  $Apache::lonnet::packagetab{"$tag&$name&default"};   $Apache::lonnet::packagetab{"$tag&$name&default"};
               $token->[3] = ['name','type','description','default'];
     $constructtag=1;      $constructtag=1;
  }   }
  if ($constructtag) {   if ($constructtag) {
Line 795  sub answer_part { Line 883  sub answer_part {
     last;      last;
  }   }
     }      }
     if ($answer ne '') {              my $fullanswer=$answer;
  $answer = '\verb'.$to_use.$answer.$to_use;              $answer='';
     }              foreach my $element (split(/[\;]/,$fullanswer)) {
          if ($element ne '') {
     $answer.= '\verb'.$to_use.$element.$to_use.' \newline';
          }
               }
  }   }
  if ($answer ne '') {   if ($answer ne '') {
     push(@answer_bits,$answer);      push(@answer_bits,$answer);
Line 816  sub answer_footer { Line 908  sub answer_footer {
     my ($type) = @_;      my ($type) = @_;
     my $result;      my $result;
     if ($env{'form.answer_output_mode'} eq 'tex') {      if ($env{'form.answer_output_mode'} eq 'tex') {
  my $columns = scalar(@answer_bits);   $result  = ' \vskip 0 mm \noindent \begin{tabular}{|p{1.5cm}|p{6.8cm}|}\hline ';
  $result  = ' \vskip 0 mm \noindent \begin{tabular}{|'.'c|'x$columns.'}\hline ';   $result .= $answer_bits[0].'&\vspace*{-4mm}\begin{itemize}';
  $result .= join(' & ',@answer_bits);          for (my $i=1;$i<=$#answer_bits;$i++) {
  $result .= ' \\\\ \\hline \end{tabular} \vskip 0 mm ';              $result.='\item '.$answer_bits[$i].'\vspace*{-7mm}';
           }
    $result .= ' \end{itemize} \\\\ \hline \end{tabular} \vskip 0 mm ';
     } else {      } else {
  $result = '</tr></table>';   if (!$need_row_start) {
       $result .= '</tr>';
    }
    $result .= '</table>';
     }      }
     return $result;      return $result;
 }  }
Line 838  sub showallfoils { Line 935  sub showallfoils {
  }   }
     }      }
     if ($Apache::lonhomework::type eq 'survey') { return 1; }      if ($Apache::lonhomework::type eq 'survey') { return 1; }
       if ($Apache::lonhomework::type eq 'surveycred') { return 1; }
       if ($Apache::lonhomework::type eq 'anonsurvey') { return 1; }
       if ($Apache::lonhomework::type eq 'anonsurveycred') { return 1; }
   
     return 0;      return 0;
 }  }
   
 =pod  =pod
   
 =item &getresponse($offset,$resulttype);  =item &getresponse();
   
 Retreives the current submitted response, helps out in the case of  Retreives the current submitted response, helps out in the case of
 scantron mode.  scantron mode.
Line 852  Returns either the exact text of the sub Line 953  Returns either the exact text of the sub
 converted to something usable.  converted to something usable.
   
 Optional Arguments:  Optional Arguments:
   $offset - if a problem has more than one bubble response, pass in the number    $offset - (defaults to 1) if a problem has more than one bubble
             of the bubble wanted              response, pass in the number of the bubble wanted, (the
               first bubble associated with a problem has an offset of 1,
               the second bubble is 2
   
   $resulttype - undef    -> a number between 0 and 25    $resulttype - undef    -> a number between 0 and 25
                 'A is 1' -> a number between 1 and 26                  'A is 1' -> a number between 1 and 26
                 'letter' -> a letter between 'A' and 'Z'                  'letter' -> a letter between 'A' and 'Z'
     $lines  - undef problem only needs a single line of bubbles.
               nonzero  Problem wants the first nonempty response in 
                         $lines lines of bubbles.
     $bubbles_per_line - Must be provided if lines is defined.. number of
                         bubbles on a line.
   
 =cut  =cut
   
 sub getresponse {  sub getresponse {
     my ($offset,$resulttype)=@_;      my ($offset,$resulttype, $lines, $bubbles_per_line)=@_;
     my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];      my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
     my $response;      my $response;
     if (!defined($offset)) {      if (!defined($offset)) {
  $temp=1;   $offset=1;
     } else {      } else {
  $formparm.=":$offset";   $formparm.=":$offset";
     }      }
       if (!defined($lines)) {
    $lines = 1;
       }
     my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,      my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
     'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,      'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
     'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,      'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
Line 876  sub getresponse { Line 988  sub getresponse {
     if ($env{'form.submitted'} eq 'scantron') {      if ($env{'form.submitted'} eq 'scantron') {
  my $part  = $Apache::inputtags::part;   my $part  = $Apache::inputtags::part;
  my $id    = $Apache::inputtags::response[-1];   my $id    = $Apache::inputtags::response[-1];
  $response = $env{'scantron.'.($Apache::lonxml::counter+$offset-1).  
  '.answer'};   my $line;
    my $startline = $env{'form.scantron_questnum_start.'.$part.'.'.$id};
           if (!$startline) {
               $startline = $Apache::lonxml::counter;
           }
    for ($line = 0; $line < $lines; $line++) {
               my $theline = $startline+$offset-1+$line;
       $response = $env{"scantron.$theline.answer"};
       if ((defined($response)) && ($response ne "") && ($response ne " ")) {
    last;
       }
    
    }
   
  # save bubbled letter for later   # save bubbled letter for later
  $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=   $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
     $response;      $response;
  if ($resulttype ne 'letter') {   if ($resulttype ne 'letter') {
     if ($resulttype eq 'A is 1') {              $response = $let_to_num{$response};
  $response = $let_to_num{$response}+1;              if ($resulttype eq 'A is 1') {
     } else {                  if ($response ne "") {
  $response = $let_to_num{$response};                      $response = $response+1;
                   }
       }
       if ($response ne "") {
    $response += $line * $bubbles_per_line;
       }
    } else {
       if ($response ne "") {
                   my $raw = $response;
    $response = chr(ord($response) + $line * $bubbles_per_line);
     }      }
  }   }
   
     } else {      } else {
  $response = $env{$formparm};   $response = $env{$formparm};
     }      }
       # 
       #  If we have a nonempty answer, correct the numeric value
       #  of the answer for the line on which it was found.
       #
   
     return $response;      return $response;
 }  }
   
Line 898  sub getresponse { Line 1038  sub getresponse {
   
 =item &repetition();  =item &repetition();
   
 Returns the number of lines that are required to encode the weight.  In scalar context:
 (Currently expects that there are 10 bubbles per line)  
   returns: the number of lines that are required to encode the weight.
   (Default is for 10 bubbles per bubblesheet item; other (integer) 
   values can be specified by using a custom Bubblesheet format file 
   with an eighteenth entry (BubblesPerRow) set to the integer 
   appropriate for the bubblesheets which will be used to assign weights.
   
   In array context:
    
   returns: number of lines required to encode weight, and bubbles/line.
   
 =cut  =cut
   
Line 907  sub repetition { Line 1056  sub repetition {
     my $id = $Apache::inputtags::part;      my $id = $Apache::inputtags::part;
     my $weight = &Apache::lonnet::EXT("resource.$id.weight");      my $weight = &Apache::lonnet::EXT("resource.$id.weight");
     if (!defined($weight) || ($weight eq '')) { $weight=1; }      if (!defined($weight) || ($weight eq '')) { $weight=1; }
     my $repetition = int($weight/10);      my $bubbles_per_row;
     if ($weight % 10 != 0) { $repetition++; }       if (($env{'form.bubbles_per_row'} =~ /^\d+$/) && 
           ($env{'form.bubbles_per_row'} > 0)) {
           $bubbles_per_row = $env{'form.bubbles_per_row'};
       } else {
           $bubbles_per_row = 10;
       }
       my $denominator = $bubbles_per_row;
       if (($env{'form.scantron_lastbubblepoints'} == 0) && 
           ($bubbles_per_row > 1)) {
           $denominator = $bubbles_per_row - 1;
       } 
       my $repetition = int($weight/$denominator);
       if ($weight % $denominator != 0) { $repetition++; } 
       if (wantarray) {
           return ($repetition,$bubbles_per_row);
       }
     return $repetition;      return $repetition;
   
 }  }
   
 =pod  =pod
   
 =item &scored_response($part_id,$response_id);  =item &scored_response();
   
 Sets the results hash elements  Sets the results hash elements
   
Line 939  Arguments Line 1104  Arguments
 sub scored_response {  sub scored_response {
     my ($part,$id)=@_;      my ($part,$id)=@_;
     my $repetition=&repetition();      my $repetition=&repetition();
       my $bubbles_per_row;
       if (($env{'form.bubbles_per_row'} =~ /^\d+$/) &&
           ($env{'form.bubbles_per_row'} > 0)) {
           $bubbles_per_row = $env{'form.bubbles_per_row'};
       } else {
           $bubbles_per_row = 10;
       }
     my $score=0;      my $score=0;
     for (my $i=0;$i<$repetition;$i++) {      for (my $i=0;$i<$repetition;$i++) {
  # A is 1, B is 2, etc. (get response return 0-9 and then we add 1)   # A is 1, B is 2, etc.
  my $increase=&Apache::response::getresponse($i+1);   my $increase=&Apache::response::getresponse($i+1);
  if ($increase ne '') { $score+=$increase+1; }          unless (($increase == $bubbles_per_row-1) &&
                   ($env{'form.scantron_lastbubblepoints'} == 0)) {
               # (get response return 0-9 and then we add 1)
               if ($increase ne '') {
                   $score+=$increase+1;
               }
           }
     }      }
     my $weight = &Apache::lonnet::EXT("resource.$part.weight");      my $weight = &Apache::lonnet::EXT("resource.$part.weight");
     if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; }      if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; }
Line 955  sub scored_response { Line 1133  sub scored_response {
 }  }
   
 sub whichorder {  sub whichorder {
     my ($max,$randomize,$showall,$hash)=@_;      my ($max,$randomize,$showall,$hash,$rndseed)=@_;
     #&Apache::lonxml::debug("man $max randomize $randomize");      #&Apache::lonxml::debug("man $max randomize $randomize");
     if (!defined(@{ $$hash{'names'} })) { return; }      if (!defined(@{ $$hash{'names'} })) { return; }
     my @names = @{ $$hash{'names'} };      my @names = @{ $$hash{'names'} };
Line 1009  sub show_answer { Line 1187  sub show_answer {
     my $part   = $Apache::inputtags::part;      my $part   = $Apache::inputtags::part;
     my $award  = $Apache::lonhomework::history{"resource.$part.solved"};      my $award  = $Apache::lonhomework::history{"resource.$part.solved"};
     my $status = $Apache::inputtags::status[-1];      my $status = $Apache::inputtags::status[-1];
     return  ( ($award =~ /^correct/      my $canshow = 0;
        && lc($Apache::lonhomework::problemstatus) ne 'no')      if ($award =~ /^correct/) {
       || $status eq "SHOW_ANSWER");          if ((&Apache::inputtags::grading_is_nonlenient($part)) ||
               ($Apache::lonhomework::history{"resource.$part.awarded"} == 1)) {
               $canshow = 1;
           }   
       }
       return  (($canshow && &Apache::lonhomework::show_problem_status()) 
        || $status eq "SHOW_ANSWER");
 }  }
   
 sub analyze_store_foilgroup {  sub analyze_store_foilgroup {
Line 1071  sub pick_foil_for_concept { Line 1255  sub pick_foil_for_concept {
  $Apache::response::conceptgroup{'names'};   $Apache::response::conceptgroup{'names'};
   
 }  }
 #------------------------------------------------------------  
 #  =pod
 #  Get a parameter associated with a problem.  
 # Parameters:  =item get_response_param()
 #  $id        - the id of the paramater, either a part id,   
 #               or a partid and responspe id joined by _  Get a parameter associated with a problem.
 #  $name      - Name of the parameter to fetch  Parameters:
 #  $default   - Default value for the paramter.   $id        - the id of the paramater, either a part id, 
 #                or a partid and responspe id joined by _
 #     $name      - Name of the parameter to fetch
 #   $default   - Default value for the paramter.
   
   =cut
   
 sub get_response_param {  sub get_response_param {
     my ($id,$name,$default)=@_;      my ($id,$name,$default)=@_;
     my $parameter;      my $parameter;
Line 1115  sub submitted { Line 1302  sub submitted {
     }      }
     # Submit All button on a .page was pressed      # Submit All button on a .page was pressed
     if (defined($env{'form.all_submit'})) { return 1; }      if (defined($env{'form.all_submit'})) { return 1; }
     # otherwise no submission occured      # otherwise no submission occurred
     return 0;      return 0;
 }  }
   
Line 1142  sub add_to_gradingqueue { Line 1329  sub add_to_gradingqueue {
     }      }
 }  }
   
 # basically undef and 0 (both false) mean that they still have work to do  =pod 
 # and all true values mean that they can't do any more work  
 #  =item check_status()
 # a return of undef means it is unattempted  
 # a return of 0 means it is attmpted and wrong but still has tries  basically undef and 0 (both false) mean that they still have work to do
 # a return of 1 means it is marked correct  and all true values mean that they can't do any more work
 # a return of 2 means they have exceed maximum number of tries  
 # a return of 3 means it after the answer date   a return of undef means it is unattempted
    a return of 0 means it is attmpted and wrong but still has tries
    a return of 1 means it is marked correct
    a return of 2 means they have exceed maximum number of tries
    a return of 3 means it after the answer date
   
   =cut
   
 sub check_status {  sub check_status {
     my ($id)=@_;      my ($id)=@_;
     if (!defined($id)) { $id=$Apache::inputtags::part; }      if (!defined($id)) { $id=$Apache::inputtags::part; }
Line 1172  sub check_status { Line 1366  sub check_status {
     return 2;      return 2;
 }  }
   
   =pod
   
   =item setup_prior_tries_hash()
   
     Foreach each past .submission $func is called with 3 arguments
        - the mode to set things up for (currently always 'grade')
        - the stored .submission string
        - The expansion of $data
   
     $data is an array ref containing elements that are either
       - scalars that are other elements of the history hash to pass to $func
       - ref to data to be passed untouched to $func
   
     $questiontype is the questiontype (currently only passed in if
         randomizebytry.
   
   =cut
   
 sub setup_prior_tries_hash {  sub setup_prior_tries_hash {
     my ($func,$data) = @_;      my ($func,$data,$questiontype) = @_;
     my $part = $Apache::inputtags::part;      my $part = $Apache::inputtags::part;
     my $id   = $Apache::inputtags::response[-1];      my $id   = $Apache::inputtags::response[-1];
     foreach my $i (1..$Apache::lonhomework::history{'version'}) {      foreach my $i (1..$Apache::lonhomework::history{'version'}) {
  my $sub_key   = "$i:resource.$part.$id.submission";          my $partprefix = "$i:resource.$part";
    my $sub_key   = "$partprefix.$id.submission";
  next if (!exists($Apache::lonhomework::history{$sub_key}));   next if (!exists($Apache::lonhomework::history{$sub_key}));
           my $type_key = "$partprefix.type";
           my $type = $Apache::lonhomework::history{$type_key};
  my @other_data;   my @other_data;
  foreach my $datum (@{ $data }) {          if (ref($data) eq 'ARRAY') {
     if (ref($datum)) {      foreach my $datum (@{ $data }) {
  push(@other_data,$datum);          if (ref($datum)) {
     } else {      push(@other_data,$datum);
  my $info_key = "$i:resource.$part.$id.$datum";          } else {
  push(@other_data,$Apache::lonhomework::history{$info_key});      my $info_key = "$i:resource.$part.$id.$datum";
       push(@other_data,$Apache::lonhomework::history{$info_key});
           }
     }      }
  }          }
           if ($questiontype eq 'randomizetry') { 
               my $order_key = "$partprefix.$id.foilorder";
               my @whichopts = &Apache::lonnet::str2array($Apache::lonhomework::history{$order_key});
               if (@whichopts > 0) {
                   shift(@other_data);
                   unshift(@other_data,\@whichopts);
               }
           }
  my $output =   my $output =
     &$func('grade',      &$func('grade',
    $Apache::lonhomework::history{$sub_key},     $Apache::lonhomework::history{$sub_key},
Line 1202  sub setup_prior_tries_hash { Line 1426  sub setup_prior_tries_hash {
 1;  1;
 __END__  __END__
     
   =pod
   
   =cut
Removed from v.1.168  
changed lines
  Added in v.1.229

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