--- loncom/homework/response.pm 2003/08/11 19:56:45 1.83 +++ loncom/homework/response.pm 2004/02/16 20:09:51 1.91 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # various response type definitons response definition # -# $Id: response.pm,v 1.83 2003/08/11 19:56:45 albertel Exp $ +# $Id: response.pm,v 1.91 2004/02/16 20:09:51 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,9 +25,6 @@ # # 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; @@ -80,17 +77,13 @@ sub end_hintresponse { # 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(); - } + $rndseed=&Apache::structuretags::setup_rndseed(); + if (!defined($rndseed)) { $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]); + $rndmod+=&Apache::lonnet::numval($Apache::inputtags::response[-1]); } if ($rndseed =~/,/) { { @@ -118,8 +111,8 @@ sub meta_parameter_write { } $result.= ' name="'.$name.'"'. ' type="'.$type.'"'. -($default?' default="'.$default.'"':''). -($display?' display="'.$display.' [Part: '.$partref.']"':'') +(defined($default)?' default="'.$default.'"':''). +(defined($display)?' display="'.$display.' [Part: '.$partref.']"':'') .'>' ."\n"; return $result; @@ -180,6 +173,16 @@ sub mandatory_part_meta { # } +sub meta_part_order { + if (@Apache::inputtags::partlist) { + my @parts=@Apache::inputtags::partlist; + shift(@parts); + return ''.join(',',@parts).''; + } else { + return '0'; + } +} + sub check_for_previous { my ($curresponse,$partid,$id) = @_; my %previous; @@ -412,8 +415,8 @@ sub answer_header { my ($type) = @_; my $result; if ($ENV{'form.answer_output_mode'} eq 'tex') { - $result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: '. - $Apache::inputtags::part.' \\\\ \hline '; + $result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: \verb|'. + $Apache::inputtags::part.'| \\\\ \hline '; } else { $result = ''."\n"; @@ -453,7 +456,7 @@ sub showallfoils { } sub getresponse { - my ($temp)=@_; + my ($temp,$resulttype)=@_; my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1']; my $response; if (!defined($temp)) { @@ -473,7 +476,9 @@ sub getresponse { # save bubbled letter for later $Apache::lonhomework::results{"resource.$part.$id.scantron"}.= $response; - $response = $let_to_num{$response}; + if ($resulttype ne 'letter') { + $response = $let_to_num{$response}; + } } else { $response = $ENV{$formparm}; } @@ -497,6 +502,7 @@ sub scored_response { if ($increase ne '') { $score+=$increase+1; } } my $weight = &Apache::lonnet::EXT("resource.$part.weight"); + if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; } my $pcr=$score/$weight; $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr; $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= @@ -552,10 +558,68 @@ sub whichorder { for (my $i=0;$i<=$#bottomlist;$i++) { if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) } } - return @whichopt; } +sub show_answer { + my $part = $Apache::inputtags::part; + my $award = $Apache::lonhomework::history{"resource.$part.solved"}; + my $status = $Apache::inputtags::status[-1]; + return ( ($award =~ /^correct/ + && lc($Apache::lonhomework::problemstatus) ne 'no') + || $status eq "SHOW_ANSWER"); +} + +sub analyze_store_foilgroup { + my ($shown,$attrs)=@_; + my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; + foreach my $name (@{ $Apache::response::foilgroup{'names'} }) { + if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; } + push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name); + foreach my $attr (@$attrs) { + $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} = + $Apache::response::foilgroup{"$name.".$attr}; + } + } + push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown }); +} + +sub pick_foil_for_concept { + my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_; + if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; } + 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; + foreach my $attr (@$attrs) { + $Apache::response::foilgroup{"$name.".$attr} = + $Apache::response::conceptgroup{"$name.".$attr}; + } + 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.$Apache::inputtags::response[-1]"; + if ($target eq 'analyze') { + push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} }, + $concept); + $Apache::lonhomework::analyze{"$part_id.concept.$concept"}= + $Apache::response::conceptgroup{'names'}; + foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) { + push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} }, + $name); + foreach my $attr (@$attrs) { + $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}= + $Apache::response::conceptgroup{"$name.$attr"}; + } + } + } + push(@{ $hinthash->{"$part_id.concepts"} },$concept); + $hinthash->{"$part_id.concept.$concept"}= + $Apache::response::conceptgroup{'names'}; + +} + + 1; __END__
Answer for Part:'. $Apache::inputtags::part. '