[BACK]Return to response.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / homework
File:  [LON-CAPA] / loncom / homework / response.pm
Revision 1.74: download - view: text, annotated - select for diffs
Wed Apr 30 21:23:45 2003 UTC (21 years, 8 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- response uses/understands new larger seed

# The LearningOnline Network with CAPA
# various response type definitons response definition
#
# $Id: response.pm,v 1.74 2003/04/30 21:23:45 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/
#
# 11/23,11/24,11/28 Gerd Kortemeyer
# Guy Albertelli
# 08/04,08/07 Gerd Kortemeyer

package Apache::response;
use strict;

BEGIN {
    &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse'));
}

sub start_response {
    my ($parstack,$safeeval)=@_;
    my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
    if ($id eq '') { $id = $Apache::lonxml::curdepth; }
    if ($#Apache::inputtags::import > -1) {
	&Apache::lonxml::debug("Turning :$id: into");
	$id = join('_',@Apache::inputtags::import).'_'.$id;
	&Apache::lonxml::debug("New  :$id:");
    }
    push (@Apache::inputtags::response,$id);
    push (@Apache::inputtags::responselist,$id);
    @Apache::inputtags::inputlist=();
    return $id;
}

sub end_response {
    pop @Apache::inputtags::response;
    @Apache::inputtags::inputlist=();
    return '';
}

sub start_hintresponse {
    my ($parstack,$safeeval)=@_;
    my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
    if ($id eq '') { $id = $Apache::lonxml::curdepth; }
    push (@Apache::inputtags::response,$id);
    push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]);
    return $id;
}

sub end_hintresponse {
    pop @Apache::inputtags::response;
    if (defined($Apache::inputtags::paramstack[-1])) {
	%Apache::inputtags::params=
	    @{ pop(@Apache::inputtags::paramstack) };
    }
    return '';
}

# used by response to set the non-safe space random number generator to something
# that is stable and unique based on the part number and response number
sub setrandomnumber {
    my $rndseed;
    if ($ENV{'request.state'} eq "construct") {
	$rndseed=$ENV{'form.rndseed'};
	if (!$rndseed) { $rndseed=time; }
    } else {
	$rndseed=&Apache::lonnet::rndseed();
    }
    &Apache::lonxml::debug("randseed $rndseed");
    #  $rndseed=unpack("%32i",$rndseed);
    my $rndmod=(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
    if (defined($Apache::inputtags::response['-1'])) {
       $rndmod+=&Apache::lonnet::numval($Apache::inputtags::response[-1]);
    }
    if ($rndseed =~/,/) {
	my ($num1,$num2)=split(/,/,$rndseed);
	$num1+=$rndmod;
	$num2+=$rndmod;
	$rndseed="$num1,$num2";
    } else {
	$rndseed+=$rndmod;
    }
    &Apache::lonnet::setup_random_from_rndseed($rndseed);
    &Apache::lonxml::debug("randseed $rndseed");
    return '';
}

sub meta_parameter_write {
    my ($name,$type,$default,$display)=@_;
    my $partref=$Apache::inputtags::part;
    my $result='<parameter part="'.$Apache::inputtags::part.'"';
    if (defined($Apache::inputtags::response[-1])) {
	$result.=            ' id="'.$Apache::inputtags::response[-1].'"';
	$partref.='_'.$Apache::inputtags::response[-1];
    }
    $result.=            ' name="'.$name.'"'.
                         ' type="'.$type.'"'.
($default?' default="'.$default.'"':'').
($display?' display="'.$display.' [Part: '.$partref.']"':'')
             .'></parameter>'
             ."\n";
    return $result;
}

sub meta_package_write {
    my $name=shift;
    my $result = '<parameter part="'.$Apache::inputtags::part.'"';
    if(defined($Apache::inputtags::response[-1])) {
	$result.= ' id="'.$Apache::inputtags::response[-1].'"';
    }
    $result.=' package="'.$name.'"></parameter>'."\n";
    return $result;
}

sub meta_stores_write {
    my ($name,$type,$display)=@_;
    my $partref=$Apache::inputtags::part;
    my $result = '<stores part="'.$Apache::inputtags::part.'"';
    if (defined($Apache::inputtags::response[-1])) {
	$result.=           ' id="'.$Apache::inputtags::response[-1].'"';
	$partref.='_'.$Apache::inputtags::response[-1];
    }	
    $result.=          ' name="'.$name.'"'.
                       ' type="'.$type.'"'.
	            ' display="'.$display.' [Part: '.$partref.']"'.
		      "></stores>\n";
}

sub mandatory_part_meta {
#
# Autogenerate metadata for mandatory
# input (from RAT or lonparmset) and 
# output (to lonspreadsheet)
# 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 check_for_previous {
    my ($curresponse,$partid,$id) = @_;
    my %previous;
    $previous{'used'} = 0;
    foreach my $key (sort(keys(%Apache::lonhomework::history))) {
	if ($key =~ /resource\.$partid\.$id\.submission/) {
	    &Apache::lonxml::debug("Trying $key");
	    my $pastresponse=$Apache::lonhomework::history{$key};
	    if ($pastresponse eq $curresponse) {
		$previous{'used'} = 1;
		my $history;
		if ( $key =~ /^(\d+):/ ) {
		    $history=$1;
		    $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
		    $previous{'last'}='0';
		    push(@{ $previous{'version'} },$history);
		} else {
		    $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
		    $previous{'last'}='1';
		}
		if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN';	}
		&Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
	    }
	}
    }
    &Apache::lonhomework::showhash(%previous);
    return %previous;
}

sub handle_previous {
    my ($previous,$ad)=@_;
    if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
	if ($$previous{'last'}) {
	    push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
	} else {
	    push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
	}
	push(@Apache::inputtags::previous_version,$$previous{'version'});
    }
}

sub view_or_modify {
    my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
    my $myself=0;
    if ( ($name eq $ENV{'user.name'}) && ($domain eq $ENV{'user.domain'}) ) {
	$myself=1;
    }
    my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
    my $mgr=&Apache::lonnet::allowed('vgr',$courseid);
    if ($mgr) { return "M"; }
    if ($vgr) { return "V"; }
    if ($myself) { return "V"; }
    return '';
}

sub start_dataresponse {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    my $id = &Apache::response::start_response($parstack,$safeeval);
    my $result;
    if ($target eq 'web') {
	$result = $token->[2]->{'display'}.':';
    } elsif ($target eq 'meta') {
	$result = &Apache::response::meta_stores_write($token->[2]->{'name'},
						       $token->[2]->{'type'},
						       $token->[2]->{'display'});
	$result .= &Apache::response::meta_package_write('dataresponse');
    }
    return $result;
}

sub end_dataresponse {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    my $result;
    if ( $target eq 'web' ) {
    } elsif ($target eq 'grade' ) {
	if ( defined $ENV{'form.submitted'}) {
	    my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser();
	    my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
	    if ($allowed) {
		&Apache::response::setup_params('dataresponse');
		my $partid = $Apache::inputtags::part;
		my $id = $Apache::inputtags::response['-1'];
		my $response = $ENV{'form.HWVAL_'.$id};
		my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
		if ( $response =~ /[^\s]/) {
		    $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response;
		    $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
		    $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
		}
	    } else {
		$result='Not Permitted to change values.'
	    }
	}
    }
    &Apache::response::end_response;
    return $result;
}

sub start_responseparam {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    my $result='';
    if ($target eq 'meta') {
	$result = &meta_parameter_write($token->[2]->{'name'},
					$token->[2]->{'type'},
					$token->[2]->{'default'},
					$token->[2]->{'description'});
    } elsif ($target eq 'edit') {
	$result.=&Apache::edit::tag_start($target,$token);
	$result.=&Apache::edit::text_arg('Name:','name',$token).
	    &Apache::edit::text_arg('Type:','type',$token).
		&Apache::edit::text_arg('Description:','description',$token).
		    &Apache::edit::text_arg('Default:','default',$token).
			"</td></tr>";
	$result.=&Apache::edit::end_table;
    } elsif ($target eq 'modified') {
	my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
						     'name','type','description',
						     'default');
	if ($constructtag) {
	    $result = &Apache::edit::rebuild_tag($token);
	    $result.=&Apache::edit::handle_insert();
	}
    } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' ||
	     $target eq 'tex' || $target eq 'analyze' ) {
	if ($ENV{'request.state'} eq 'construct') {
	    my $name   =&Apache::lonxml::get_param('name',$parstack,$safeeval);
	    my $default=&Apache::lonxml::get_param('default',$parstack,
						     $safeeval);
	    if ($name) {$Apache::inputtags::params{$name}=$default;}
	}
    }
    return $result;
}

sub end_responseparam {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    if ($target eq 'edit') { return ('','no'); }
    return '';
}

sub start_parameter {
    my $result = &start_responseparam(@_);
    return $result;
}

sub end_parameter {
    my $result = &end_responseparam(@_);
    return $result;
}

sub reset_params {
    %Apache::inputtags::params=();
}

sub setup_params {
    my ($tag) = @_;

    if ($ENV{'request.state'} eq 'construct') { return; }
    my %paramlist=();
    foreach my $key (keys(%Apache::lonnet::packagetab)) {
	if ($key =~ /^$tag/) {
	    my ($package,$name) = split(/&/,$key);
	    $paramlist{$name}=1;
	}
    }
    foreach my $key (keys(%paramlist)) {
	my $entry= 'resource.'.$Apache::inputtags::part;
	if (defined($Apache::inputtags::response[-1])) {
	    $entry.='_'.$Apache::inputtags::response[-1];
	}
	$entry.='.'.$key;
	&Apache::lonxml::debug("looking for $entry");
	my $value = &Apache::lonnet::EXT("$entry");
	&Apache::lonxml::debug("$key has value :$value:");
	if ($value eq 'con_lost' || $value =~ /^error:/) {
	    &Apache::lonxml::debug("using nothing");
	    $Apache::inputtags::params{$key}='';
	} else {
	    &Apache::lonxml::debug("using value");
	    $Apache::inputtags::params{$key}=$value;
	}
    }
}

sub answer_header {
    my ($type) = @_;
    my $result;
    if ($type eq 'optionresponse' || $type eq 'radiobuttonresponse' ) {
	$result = '<table border="1"><tr><th>Answer for Part:'.
	    $Apache::inputtags::part. '</th></tr><tr>'."\n";
    } else {
	$result = '<table border="1"><tr><td>Answer for Part:'.
	    $Apache::inputtags::part. '</td>'."\n";
    }
    return $result;
}

sub answer_part {
    my ($type,$answer) = @_;
    my $result;
    if ($type eq 'optionresponse' || $type eq 'radiobuttonresponse') {
	$result = '<td>'.$answer.'</td>';
    } else {
	$result = '<td>'.$answer.'</td>';
    }
    return $result;
}

sub answer_footer {
    my ($type) = @_;
    my $result;
    if ($type eq 'optionresponse' || $type eq 'radiobuttonresponse') {
	$result = '</tr></table>';
    } else {
	$result = '</tr></table>';
    }
    return $result;
}

sub showallfoils {
    my $return=0;
    if (defined($ENV{'form.showallfoils'}) &&
	$ENV{'request.state'} eq 'construct') {
	$return=1;
    }
    return $return;
}

sub getresponse {
    my ($temp)=@_;
    my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
    my $response;
    if (!defined($temp)) {
	$temp=1;
    } else {
	$formparm.=":$temp";
    }
    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);
    if ($ENV{'form.submitted'} eq 'scantron') {
	my $part  = $Apache::inputtags::part;
	my $id    = $Apache::inputtags::response[-1];
	$response = $ENV{'scantron.'.($Apache::lonxml::counter+$temp-1).
			 '.answer'};
	# save bubbled letter for later
	$Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
	    $response;
	$response = $let_to_num{$response};
    } else {
	$response = $ENV{$formparm};
    }
    return $response;
}

sub repetition {
    my $id = $Apache::inputtags::part;
    my $weight = &Apache::lonnet::EXT("resource.$id.weight");
    my $repetition = int $weight/9;
    if ($weight % 9 != 0) {$repetition++;} 
    return $repetition;
}

sub scored_response {
    my ($part,$id)=@_;
    my $repetition=&repetition();
    my $score=0;
    for (my $i=0;$i<$repetition;$i++) {
	my $increase=&Apache::response::getresponse($i+1);
	if ($increase ne '') { $score+=$increase+1; }
    }
    my $weight = &Apache::lonnet::EXT("resource.$part.weight");
    my $pcr=$score/$weight;
    $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr;
    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
	'ASSIGNED_SCORE';
    return $repetition;
}

1;
__END__
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