--- loncom/homework/response.pm 2011/11/29 18:44:31 1.221.2.2 +++ loncom/homework/response.pm 2012/10/12 12:45:46 1.231 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # various response type definitons response definition # -# $Id: response.pm,v 1.221.2.2 2011/11/29 18:44:31 raeburn Exp $ +# $Id: response.pm,v 1.231 2012/10/12 12:45:46 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -53,6 +53,7 @@ package Apache::response; use strict; use Apache::lonlocal; use Apache::lonnet; +use Apache::inputtags(); use Apache::lonmaxima(); use Apache::lonr(); @@ -179,7 +180,7 @@ sub setrandomnumber { } else { ($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2"); } - + $Apache::lonhomework::results{'resource.'.$id1.'.rawrndseed'}=$rndseed; if ($rndseed =~/([,:])/) { my $char=$1; use integer; @@ -196,6 +197,7 @@ sub setrandomnumber { } } &Apache::lonxml::debug("randseed $rndmod $rndseed"); + $Apache::lonhomework::results{'resource.'.$id1.'.rndseed'}=$rndseed; &Apache::lonnet::setup_random_from_rndseed($rndseed); return ''; } @@ -493,8 +495,8 @@ sub end_customresponse { } if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') { - &Apache::lonxml::increment_counter(&Apache::response::repetition(), - "$part.$id"); + 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(); @@ -1005,16 +1007,18 @@ sub getresponse { $Apache::lonhomework::results{"resource.$part.$id.scantron"}.= $response; if ($resulttype ne 'letter') { - if ($resulttype eq 'A is 1') { - $response = $let_to_num{$response}+1; - } else { - $response = $let_to_num{$response}; + $response = $let_to_num{$response}; + if ($resulttype eq 'A is 1') { + if ($response ne "") { + $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); } } @@ -1034,8 +1038,17 @@ sub getresponse { =item &repetition(); -Returns the number of lines that are required to encode the weight. -(Currently expects that there are 10 bubbles per line) +In scalar context: + +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 @@ -1043,9 +1056,25 @@ sub repetition { my $id = $Apache::inputtags::part; my $weight = &Apache::lonnet::EXT("resource.$id.weight"); if (!defined($weight) || ($weight eq '')) { $weight=1; } - my $repetition = int($weight/10); - if ($weight % 10 != 0) { $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 $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 $repetition; + } =pod @@ -1075,11 +1104,24 @@ Arguments sub scored_response { my ($part,$id)=@_; 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; 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); - 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"); if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; } @@ -1094,7 +1136,11 @@ sub whichorder { my ($max,$randomize,$showall,$hash,$rndseed)=@_; #&Apache::lonxml::debug("man $max randomize $randomize"); if (!defined(@{ $$hash{'names'} })) { return; } - my @names = @{ $$hash{'names'} }; + my @names; + if (ref($hash->{'names'}) eq 'ARRAY') { + @names = @{$hash->{'names'}}; + } + return if (!@names); my @whichopt =(); my (%top,@toplist,%bottom,@bottomlist); if (!($showall || ($randomize eq 'no'))) { @@ -1145,9 +1191,15 @@ 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/ - && &Apache::lonhomework::show_problem_status()) - || $status eq "SHOW_ANSWER"); + my $canshow = 0; + if ($award =~ /^correct/) { + if (($Apache::lonhomework::history{"resource.$part.awarded"} >= 1) || + (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/)) { + $canshow = 1; + } + } + return (($canshow && &Apache::lonhomework::show_problem_status()) + || $status eq "SHOW_ANSWER"); } sub analyze_store_foilgroup { @@ -1175,8 +1227,11 @@ sub check_if_computed { sub pick_foil_for_concept { my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_; - if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; } - my @names = @{ $Apache::response::conceptgroup{'names'} }; + my @names; + if (ref($Apache::response::conceptgroup{'names'}) eq 'ARRAY') { + @names = @{ $Apache::response::conceptgroup{'names'} }; + } + return if (!@names); my $pick=int(&Math::Random::random_uniform() * ($#names+1)); my $name=$names[$pick]; push @{ $Apache::response::foilgroup{'names'} }, $name;