Return to radiobuttonresponse.pm CVS log

Up to [LON-CAPA] / loncom / homework

- actually submitting scantron results now, I have gottne 1 question for one studnet marked incorrect

- radiobutton now understands a scantron submission,
- radiobuton increments the counter in end_foild group, that way it can be used to acquire the scantron submissions

# The LearningOnline Network with CAPA
# mutliple choice style responses
#
# $Id: radiobuttonresponse.pm,v 1.65 2003/04/04 23:35:17 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
# 2/21 Guy

package Apache::radiobuttonresponse;
use strict;
use HTML::Entities();

BEGIN {
  &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
}

sub start_radiobuttonresponse {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result;
  #when in a radiobutton response use these
  &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
  push (@Apache::lonxml::namespace,'radiobuttonresponse');
  my $id = &Apache::response::start_response($parstack,$safeeval);
  %Apache::hint::radiobutton=();
  if ($target eq 'meta') {
    $result=&Apache::response::meta_package_write('radiobuttonresponse');
  } elsif ($target eq 'edit' ) {
    $result.=&Apache::edit::start_table($token).
	'<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
	&Apache::edit::deletelist($target,$token)
	."</td><td>&nbsp".&Apache::edit::end_row()
        .&Apache::edit::start_spanning_row();

    $result.=
	&Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
	&Apache::edit::select_arg('Randomize Foil Order','randomize',
				  ['yes','no'],$token).
        &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
  } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
						 $safeeval,'max','randomize');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
  } elsif ($target eq 'tex') {
      $result .= '\begin{enumerate}';
  }
  return $result;
}

sub end_radiobuttonresponse {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result;
  if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
  if ($target eq 'tex') { $result .= '\end{enumerate}'; }
  &Apache::response::end_response;
  pop @Apache::lonxml::namespace;
  &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
  return $result;
}

%Apache::response::foilgroup=();
sub start_foilgroup {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result;
  %Apache::response::foilgroup=();
  $Apache::radiobuttonresponse::conceptgroup=0;
  &Apache::response::setrandomnumber();
  if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
      $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
  }
  return $result;
}

sub storesurvey {
  if ( !defined($ENV{'form.submitted'})) { return ''; }
  my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
  &Apache::lonxml::debug("Here I am!:$response:");
  if ( $response !~ /[0-9]+/) { return ''; }
  my $id = $Apache::inputtags::response['-1'];
  my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
  my %responsehash;
  $responsehash{$whichfoils[$response]}=$response;
  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
  &Apache::lonxml::debug("submitted a $response<br />\n");
  return '';
}

sub grade_response {
  my ($max,$randomize)=@_;
  #keep the random numbers the same must always call this
  my ($answer,@whichfoils)=&whichfoils($max,$randomize);
  if (!defined($ENV{'form.submitted'})) { return; }
  my $response;
  if ($ENV{'form.submitted'} eq 'scantron') {
      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,'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,
		      'V'=>21,'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
      $response = $ENV{'scantron.'.$Apache::lonxml::counter.'.answer'};
      $response = $let_to_num{$response};
  } else {
      $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
  }
  if ( $response !~ /[0-9]+/) { return; }
  my $part=$Apache::inputtags::part;
  my $id = $Apache::inputtags::response['-1'];
  my %responsehash;
  $responsehash{$whichfoils[$response]}=$response;
  my $responsestr=&Apache::lonnet::hash2str(%responsehash);
  my %previous=&Apache::response::check_for_previous($responsestr,
						     $part,$id);
  $Apache::lonhomework::results{"resource.$part.$id.submission"}=
    $responsestr;
  &Apache::lonxml::debug("submitted a $response<br />\n");
  my $ad;
  if ($response == $answer) {
    $ad='EXACT_ANS';
  } else {
    $ad='INCORRECT';
  }
  $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
  &Apache::response::handle_previous(\%previous,$ad);
}

sub end_foilgroup {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;

  my $result;
  if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
    my $style = $Apache::lonhomework::type;
    if ( $style eq 'survey' ) {
      if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
	$result=&displayallfoils();
      } elsif ( $target eq 'grade' ) {
	$result=&storesurvey();
      }
    } else {
      my $name;
      my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
      my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
						 $safeeval,'-2');
      if ($target eq 'web' || $target eq 'tex') {
	$result=&displayfoils($target,$max,$randomize);
      } elsif ($target eq 'answer' ) {
	$result=&displayanswers($max,$randomize);
      } elsif ( $target eq 'grade') {
	&grade_response($max,$randomize);
      }
    }
  }
  if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
      &Apache::lonxml::increment_counter();
  }
  return $result;
}

sub getfoilcounts {
  my @names;
  my $truecnt=0;
  my $falsecnt=0;
  my $name;
  if ( $Apache::response::foilgroup{'names'} ) {
    @names= @{ $Apache::response::foilgroup{'names'} };
  }
  foreach $name (@names) {
    if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
      $truecnt++;
    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
      $falsecnt++;
    }
  }
  return ($truecnt,$falsecnt);
}

sub displayallfoils {
  my $result;
  &Apache::lonxml::debug("survey style display");
  my @names = @{ $Apache::response::foilgroup{'names'} };
  my $temp=0;
  my $id=$Apache::inputtags::response['-1'];
  my $part=$Apache::inputtags::part;
  my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
  my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
  if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/)  || ($Apache::inputtags::status[-1] eq  'SHOW_ANSWER')) {
    foreach my $name (@names) {
      if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
	$result.="<br />".$Apache::response::foilgroup{$name.'.value'};
	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
	  $result.='<b>';
	}
	$result .= $Apache::response::foilgroup{$name.'.text'};
	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
	  $result.='</b>';
	}
      }
    }
  } else {
    foreach my $name (@names) {
      if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
	$result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
	if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
	$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
	$temp++;
      }
    }
  }
  return $result;
}

sub whichfoils {
  my ($max,$randomize)=@_;

  my @truelist;
  my @falselist;
  my @whichfalse =();
  my ($truecnt,$falsecnt) = &getfoilcounts();
  my $count=0;
  # we will add in 1 of the true statements
  if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
  my $answer=int(&Math::Random::random_uniform() * ($count));
  &Apache::lonxml::debug("Count is $count, $answer is $answer");
  my @names;
  if ( $Apache::response::foilgroup{'names'} ) {
      @names= @{ $Apache::response::foilgroup{'names'} };
  }
  if (&Apache::response::showallfoils()) {
      @whichfalse=@names;
  } elsif ($randomize eq 'no') {
      &Apache::lonxml::debug("No randomization");
      my $havetrue=0;
      foreach my $name (@names) {
	  if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
	      if (!$havetrue ) {
		  push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
	      }
	  } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
	      push (@whichfalse,$name);
	  } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
	  } else {
	      &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
	  }
      }
  } else {
    my $current=0;
    &Apache::lonhomework::showhash(%Apache::response::foilgroup);
    my (%top,%bottom);
    #first find out where everyone wants to be
    foreach my $name (@names) {
	$current++;
	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
	    push (@truelist,$name);
	    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
		$top{$name}=$current;
	    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
		$bottom{$name}=$current;
	    }
	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
	    push (@falselist,$name);
	    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
		$top{$name}=$current;
	    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
		$bottom{$name}=$current;
	    }
	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
	} else {
	    &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
	}
    }
    #pick a true statement
    my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
    &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
    my (@toplist, @bottomlist);
    my $topcount=0;
    # assign everyone to either toplist/bottomlist or whichfalse
    # which false is randomized, toplist bottomlist are in order
    while ((($#whichfalse) < $max-2) && ($#falselist > -1)) {
	&Apache::lonxml::debug("Have $#whichfalse max is $max");
	my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
	&Apache::lonxml::debug("From $#falselist elms, picking $afalse");
	$afalse=splice(@falselist,$afalse,1);
	&Apache::lonxml::debug("Picked $afalse");
	&Apache::lonhomework::showhash(('names'=>\@names));
	&Apache::lonhomework::showhash(%top);
	if ($top{$afalse}) {
	    $toplist[$top{$afalse}]=$afalse;
	    $topcount++;
	} elsif ($bottom{$afalse}) {
	    $bottomlist[$bottom{$afalse}]=$afalse;
	} else {
	    push (@whichfalse,$afalse);
	}
    }
    my $truename=$truelist[$whichtrue];
    my $dosplice=1;
    #insert the true statement, keeping track of where it wants to be
    if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' ) {
	$toplist[$top{$truename}]=$truename;
	$answer=-1;
	foreach my $top (reverse(@toplist)) {
	    if ($top) { $answer++;}
	    if ($top eq $truename) { last; }
	}
	$dosplice=0;
    } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom') {
	$bottomlist[$bottom{$truename}]=$truename;
	$answer=-1;
	foreach my $bot (@bottomlist) {
	    if ($bot) { $answer++;}
	    if ($bot eq $truename) { last; }
	}
	$answer+=$topcount+$#whichfalse+1;
	$dosplice=0;
    } else {
	if ($topcount>0) { 
	  $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
	    + $topcount;
	}
    }
    #add the top items to the top, bottom items to the bottom
    for (my $i=0;$i<=$#toplist;$i++) {
	if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
    }
    for (my $i=0;$i<=$#bottomlist;$i++) {
	if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
    }
    #if the true statement is randomized insert it into the list
    if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
  }
  &Apache::lonxml::debug("Answer is $answer");
  return ($answer,@whichfalse);
}

sub displayfoils {
  my ($target,$max,$randomize)=@_;
  my $result;

  my ($answer,@whichfoils)=&whichfoils($max,$randomize);
  my $part=$Apache::inputtags::part;
  my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
  my $status=$Apache::inputtags::status[-1];
  if ( ($target ne 'tex') &&
       (($solved =~ /^correct/) || ($status eq  'SHOW_ANSWER')) ) {
    foreach my $name (@whichfoils) {
      if ($target ne 'tex') {
	  $result.="<br />";
      } else {
	  $result.='\item \vskip -2 mm  ';
      }
      if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
	  if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
      } else {
	$result.='Incorrect:';
      }
      if ($target ne 'tex') {
	  $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
      } else {
	  $result.=$Apache::response::foilgroup{$name.'.text'};
      }
      if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
	  if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
      }
    }
  } else {
    my @alphabet = ('A'..'Z');
    my $i = 0;
    my $temp=0;  
    my $id=$Apache::inputtags::response['-1'];
    my $part=$Apache::inputtags::part;
    my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
    my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
    foreach my $name (@whichfoils) {
      if ($target ne 'tex') {
          my $ValueForInput;
	  if ($Apache::lonhomework::type ne 'exam') {$ValueForInput=$temp;} else {$ValueForInput=$alphabet[$temp];}
	  $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$ValueForInput\" ";
	  if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
	  $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
      } else {
	  if ($Apache::lonhomework::type eq 'exam') {
	      $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
	      $i++;
	  } else {
	      $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
	  }
      }
      $temp++;
    }
  }
  if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
  return $result;
}

sub displayanswers {
  my ($max,$randomize)=@_;
  my ($answer,@whichopt) = &whichfoils($max,$randomize);
  my $result=&Apache::response::answer_header('radiobuttonresponse');
  foreach my $name (@whichopt) {
    $result.=&Apache::response::answer_part('radiobuttonresponse',
		     $Apache::response::foilgroup{$name.'.value'})
  }
  $result.=&Apache::response::answer_footer('radiobuttonresponse');
  return $result;
}

sub start_conceptgroup {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  $Apache::radiobuttonresponse::conceptgroup=1;
  %Apache::response::conceptgroup=();
  my $result;
  if ($target eq 'edit') {
    $result.=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
  } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
						 $safeeval,'concept');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
  }
  return $result;
}

sub end_conceptgroup {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  $Apache::radiobuttonresponse::conceptgroup=0;
  my $result;
  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {
    if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
      my @names = @{ $Apache::response::conceptgroup{'names'} };
      my $pick=int(&Math::Random::random_uniform() * ($#names+1));
      my $name=$names[$pick];
      push @{ $Apache::response::foilgroup{'names'} }, $name;
      $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};
      $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
      $Apache::response::foilgroup{"$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");
      my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
      push(@{ $Apache::hint::radiobutton{"$part_id.concepts"} },$concept);
      $Apache::hint::radiobutton{"$part_id.concept.$concept"}=
	  $Apache::response::conceptgroup{'names'};
    }
  } elsif ($target eq 'edit') {
    $result=&Apache::edit::end_table();
  }
  return $result;
}

sub insert_conceptgroup {
  my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
  return $result;
}

sub start_foil {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result='';
  if ($target eq 'web' || $target eq 'tex') {
    &Apache::lonxml::startredirection;
  } elsif ($target eq 'edit') {
    $result=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::text_arg('Name:','name',$token);
    $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
				       ['unused','true','false'],$token);
    my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
					     $safeeval,'-3');
    if ($randomize ne 'no') {
      $result.=&Apache::edit::select_arg('Location:','location',
					 ['random','top','bottom'],$token);
    }
    $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
  } elsif ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
						  'value','name','location');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
  } 
  return $result;
}

sub end_foil {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $text='';
  if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {
    my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
    if ($value ne 'unused') {
      my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
      my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
      if (!$name) { $name=$Apache::lonxml::curdepth; }
      if ( $Apache::radiobuttonresponse::conceptgroup
	   && !&Apache::response::showallfoils() ) {
	push @{ $Apache::response::conceptgroup{'names'} }, $name;
	$Apache::response::conceptgroup{"$name.value"} = $value;
	$Apache::response::conceptgroup{"$name.text"} = $text;	
	$Apache::response::conceptgroup{"$name.location"} = $location;	
      } else {
	push @{ $Apache::response::foilgroup{'names'} }, $name;
	$Apache::response::foilgroup{"$name.value"} = $value;
	$Apache::response::foilgroup{"$name.text"} = $text;
	$Apache::response::foilgroup{"$name.location"} = $location;
      }
    }
  }
  return '';
}

sub insert_foil {
  return '
<foil name="" value="unused">
<startouttext />
<endouttext />
</foil>';
}
1;
__END__