File:  [LON-CAPA] / loncom / homework / caparesponse / caparesponse.pm
Revision 1.71: download - view: text, annotated - select for diffs
Fri Nov 8 20:36:27 2002 UTC (21 years, 6 months ago) by sakharuk
Branches: MAIN
CVS tags: HEAD
Added radiobuttons for web output for exams, correct name and id (the same as in inputtags.pm textaria sibroutine) is reproduced. Continue to work with printing in the case of answer date passed.

# The LearningOnline Network with CAPA
# caparesponse definition
#
# $Id: caparesponse.pm,v 1.71 2002/11/08 20:36:27 sakharuk 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/
#

package Apache::caparesponse;
use strict;
use capa;

BEGIN {
  &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 {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  my $id = &Apache::response::start_response($parstack,$safeeval);
  my $result;
  if ($target eq 'edit') {
    $result.=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::text_arg('Answer:','answer',$token);
    if ($token->[1] eq 'numericalresponse') {
      $result.=&Apache::edit::text_arg('Unit:','unit',$token,5);
      $result.=&Apache::edit::text_arg('Format:','format',$token,4);
    } elsif ($token->[1] eq 'stringresponse') {
      $result.=&Apache::edit::select_arg('Type:','type',
		 [['cs','Case Sensitive'],['ci','Case Insensitive'],
		  ['mc','Case Insensitive, Any Order']],$token);
    } elsif ($token->[1] eq 'formularesponse') {
      $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
    }
    $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
  } elsif ($target eq 'modified') {
    my $constructtag;
    if ($token->[1] eq 'numericalresponse') {
      $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
						'answer','unit','format');
    } elsif ($token->[1] eq 'stringresponse') {
      $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
						'answer','type');
    } elsif ($token->[1] eq 'formularesponse') {
      $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
						'answer','samples');
    }
    if ($constructtag) {
      $result = &Apache::edit::rebuild_tag($token);
      $result.=&Apache::edit::handle_insert();
    }
  } elsif ($target eq 'meta') {
    $result=&Apache::response::meta_package_write('numericalresponse');
  }
  return $result;
}

sub end_numericalresponse {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result = '';
  if ( $target eq 'grade' ) {
    if ( defined $ENV{'form.submitted'}) {
      &Apache::response::setup_params($$tagstack[-1]);
      $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
      my $partid = $Apache::inputtags::part;
      my $id = $Apache::inputtags::response['-1'];
      my $response = $ENV{'form.HWVAL'.$id};
      if ( $response =~ /[^\s]/) {
	my %previous = &Apache::response::check_for_previous($response,$partid,$id);
	$Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
	&Apache::lonxml::debug("submitted a $response<br>\n");
	&Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
	$response =~ s/\\/\\\\/g;
	$response =~ s/\'/\\\'/g;
	&Apache::lonxml::debug("current $response");
	my $expression="&caparesponse_check_list('".$response."','".
	  $$parstack[$#$parstack];
	foreach my $key (keys(%Apache::inputtags::params)) {
	  $expression.= ';my $'. #'
	    $key.'="'.$Apache::inputtags::params{$key}.'"';
	}
	if ($$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 /:/ , $result;
	my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
	&Apache::response::handle_previous(\%previous,$ad);
	$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
	&Apache::lonxml::debug("$expression");
	&Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
	$result='';
      }
    }
  } elsif ($target eq 'web' || $target eq 'tex') {
      my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
      my $status = $Apache::inputtags::status['-1'];
      if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {
	my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
						     $safeeval);
	my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
						     $safeeval);
	my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
	
	if ($target eq 'web') {
	  $result="<br />The correct answer is ";
        } elsif ($target eq 'tex') {
	  $result='\vskip 0 mm The correct answer is \\texttt{';
        }
	for (my $i=0; $i <= $#answers; $i++) {
	   my $answer=$answers[$i];
	   my $format;
	   if ($#formats > 0) {
	     $format=$formats[$i];
	   } else {
	     $format=$formats[0];
	   }
	   my $formatted;
	   if ((defined($format)) && ($format ne '')) {
	     &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
	     $formatted=sprintf('%.'.$format,$answer).',';
	   } else {
	     &Apache::lonxml::debug("no format answer :$answer:");
	     $formatted="$answer,";
	   }
	   if ($target eq 'tex') {$formatted=&Apache::lonxml::latex_special_symbols($formatted);}
	     $result.=$formatted;
           }
	   chop $result;
	   if ($target eq 'web') {
	     $result.=" $unit.<br />";
	   } elsif ($target eq 'tex') {
	     $result.=&Apache::lonxml::latex_special_symbols($unit);
	     $result.="}. \\vskip 0 mm ";
	   }
       }
      if ($Apache::lonhomework::type eq 'exam') {
      	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 $number_of_bubbles = 8; #default values for number of bubbles
	my @bubbles_values = (); 
	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
	my $factors_number = 5; #default values for number of factors
	my $powers_number = 8; #default values for number of powers
	my $symb;
	if ($ENV{'form.symb'}=~/___\d+___/) {$symb=$ENV{'form.symb'};} else {$symb=$ENV{'request.symb'};}
	my $randomseed = srand(&Apache::lonnet::rndseed($symb,$ENV{'request.course.id'},
                                                              $ENV{'user.domain'},$ENV{'user.name'}));
	my $ind=1+int(rand()*($factors_number-1));
	my $factor = $factors[$ind];
	$ind=1+int(rand()*($powers_number-1));
	my $power = $powers[$ind];
	for ($ind=0;$ind<$number_of_bubbles;$ind++) {
	    $bubbles_values[$ind] = $answers[0]*$factor**($power-$powers[$powers_number-$ind-1]);
	}	    
	my @alphabet = ('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
			'Q','R','S','T','U','V','W','X','Y','Z');
        if ($target eq 'web') {
	    my $id=$Apache::inputtags::response[-1];
	    $result.= '<table border="1"><tr>';
	    for ($ind=0;$ind<$number_of_bubbles;$ind++) {
		my $ans;
		if ($formats[0] ne '') {
		    $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);
		} else {
		    my $badans = $bubbles_values[$ind];
		    my $format = ''; 
                    #What is the number? (integer,decimal,floating point)
                    if ($badans=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
			$format = 'e'.$2;
		    } elsif ($badans=~/^(\d*)\.(\d*)$/) {
			$format = '4f';
		    } elsif ($badans=~/^(\d*)$/) {
			$format = 'd';
		    }
		    $ans = sprintf('%.'.$format,$bubbles_values[$ind]);
		}
		    $result.='<td><input type="radio" name="HWVAL'.$id.'" value="'.$ans.'"><b>'.$alphabet[$ind].'</b>: '.$ans.'</td>';
	    }
	    $result.='</tr></table>';
	} elsif ($target eq 'tex') {
	    my $max_val = 0;
	    if ($formats[0]=~m/^(\d+)E([^\d]*)(\d*)$/) {
		$max_val=$1+$2+4;
	    } else {
		$max_val=4;
	    }
	    $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2));
            my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10;
	    my @table_range = ();
	    my $number_of_tables = int($number_of_bubbles/$max_val);
	    for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}
	    if ($number_of_bubbles % $max_val != 0) {
		$number_of_tables++;
		push @table_range,($number_of_bubbles % $max_val);
	    }
	    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++) {
		$result.='\vskip -1 mm \noindent \begin{tabular}{';
		for ($ind=0;$ind<$table_range[$j];$ind++) {
		    $result.='lp{'.$celllength.' mm}';
		}
		$result.='}';
		for ($ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
		    my $ans;
		    if ($formats[0] ne '') {
			$ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);
			if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
			    my $number = $1;
			    my $power = $2;
			    $power=~s/^\+//;
			    $power=~s/^(-?)0+(\d+)//;
			    $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs
			} 
		    } else {
			my $badans = $bubbles_values[$ind];
			my $format = ''; 
			#What is the number? (integer,decimal,floating point)
			if ($badans=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
			    $format = 'e'.$2;
			} elsif ($badans=~/^(\d*)\.(\d*)$/) {
			    $format = '4f';
			} elsif ($badans=~/^(\d*)$/) {
			    $format = 'd';
			}
			$ans = sprintf('%.'.$format,$bubbles_values[$ind]);			
			if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
			    my $number = $1;
			    my $power = $2;
			    $power=~s/^\+//;
			    $power=~s/^(-?)0+(\d+)//;
			    $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs
			} 
		    }
		    $result.='\hskip -3 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -2 mm & {\small '.$ans.'} ';
		    if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
		}
		$cou += $table_range[$j];
		$j++;
		$result.='\\\\\end{tabular}\vskip 0 mm ';    
	    }
	    $result.='\end{enumerate}';
	    &Apache::lonxml::increment_counter();
	}
    }
  } elsif ($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($$tagstack[-1]);
      }
      for(my $i=0;$i<=$#answers;$i++) {
	  my $ans=$answers[$i];
	  my $fmt;
	  if (@formats) {
	      if ($#formats) {
		  $fmt=$formats[$i];
	      } else {
		  $fmt=$formats[0];
	      }
	  }
	  my ($high,$low);
	  if ($Apache::inputtags::params{'tol'}) {
	      ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
	  }
	  my ($sighigh,$siglow);
	  if ($Apache::inputtags::params{'sig'}) {
	      ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
	  }
	  if ($fmt) {
	      $ans = sprintf('%.'.$fmt,$ans);
	      if ($high) {
		  $high = sprintf('%.'.$fmt,$high); $low = sprintf('%.'.$fmt,$low);
	      }
	  }
	  if ($target eq 'answer') {
	      if ($high) { $ans.=' ['.$low.','.$high.'] '; }
	      if ($sighigh) { $ans.= "Sig <i>$siglow - $sighigh</i>"; }
	      $result.=&Apache::response::answer_part($$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 {
  my ($ans,$tol)=@_;
  my ($high,$low);
  if ($tol =~ /%$/) {
    chop($tol);
    my $change=$ans*($tol/100.0);
    $high=$ans+$change;
    $low=$ans-$change;
  } else {
    $high=$ans+$tol;
    $low=$ans-$tol;
  }
  return ($high,$low);
}

sub get_sigrange {
  my ($sig)=@_;
  &Apache::lonxml::debug("Got a sig of :$sig:");
  my $sig_lbound;
  my $sig_ubound;
  if ($sig eq '') {
    $sig_lbound = 0; #SIG_LB_DEFAULT
    $sig_ubound =15; #SIG_UB_DEFAULT
  } else {
    ($sig_lbound,$sig_ubound) = split(/,/,$sig);
    if (!$sig_lbound) {
      $sig_lbound = 0; #SIG_LB_DEFAULT
      $sig_ubound =15; #SIG_UB_DEFAULT
    }
    if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
  }
  return ($sig_ubound,$sig_lbound);
}

sub start_stringresponse {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result;
  if ($target eq 'meta') {
    $result=&Apache::response::meta_package_write('stringresponse');
  } else {
    $result.=&start_numericalresponse(@_);
  }
  return $result;
}

sub end_stringresponse {
  return end_numericalresponse(@_);
}

sub start_formularesponse {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result;
  if ($target eq 'meta') {
    $result=&Apache::response::meta_package_write('formularesponse');
  } else {
    $result.=&start_numericalresponse(@_);
  }
  return $result;
}

sub end_formularesponse {
  return end_numericalresponse(@_);
}

1;
__END__
 

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