--- loncom/homework/response.pm 2004/12/07 23:23:34 1.111
+++ loncom/homework/response.pm 2007/10/17 00:22:51 1.181
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# various response type definitons response definition
#
-# $Id: response.pm,v 1.111 2004/12/07 23:23:34 albertel Exp $
+# $Id: response.pm,v 1.181 2007/10/17 00:22:51 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -29,15 +29,16 @@
package Apache::response;
use strict;
use Apache::lonlocal;
+use Apache::lonnet;
+use Apache::lonmaxima();
BEGIN {
- &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse'));
+ &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse'));
}
sub start_response {
my ($parstack,$safeeval)=@_;
- my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
- if ($id eq '') { $id = $Apache::lonxml::curdepth; }
+ my $id = &Apache::lonxml::get_id($parstack,$safeeval);
if ($#Apache::inputtags::import > -1) {
&Apache::lonxml::debug("Turning :$id: into");
$id = join('_',@Apache::inputtags::import).'_'.$id;
@@ -68,16 +69,15 @@ sub end_response {
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::responselist,$id);
+ my $id = &Apache::lonxml::get_id($parstack,$safeeval);
+ push (@Apache::inputtags::hint,$id);
+ push (@Apache::inputtags::hintlist,$id);
push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]);
return $id;
}
sub end_hintresponse {
- pop @Apache::inputtags::response;
+ pop @Apache::inputtags::hint;
if (defined($Apache::inputtags::paramstack[-1])) {
%Apache::inputtags::params=
@{ pop(@Apache::inputtags::paramstack) };
@@ -93,9 +93,9 @@ sub pushrandomnumber {
# do nothing
} else {
my @seed=&Math::Random::random_get_seed();
- push (@randomseeds,\@seed);
+ push(@randomseeds,\@seed);
}
- &Apache::response::setrandomnumber();
+ &Apache::response::setrandomnumber(@_);
}
sub poprandomnumber {
my $rand_alg=&Apache::lonnet::get_rand_alg();
@@ -110,38 +110,57 @@ sub poprandomnumber {
&Apache::lonxml::error("Unable to restore random algorithm.");
}
}
+
sub setrandomnumber {
+ my ($ignore_id2) = @_;
my $rndseed;
$rndseed=&Apache::structuretags::setup_rndseed();
if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }
&Apache::lonxml::debug("randseed $rndseed");
# $rndseed=unpack("%32i",$rndseed);
my $rand_alg=&Apache::lonnet::get_rand_alg();
- my $rndmod;
- if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
- $rand_alg eq '64bit2') {
- $rndmod=(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
+ my ($rndmod,$rndmod2);
+
+ my ($id1,$id2,$shift_amt);
+ if ($Apache::lonhomework::parsing_a_problem) {
+ $id1=$Apache::inputtags::part;
if (defined($Apache::inputtags::response[-1])) {
- $rndmod+=&Apache::lonnet::numval($Apache::inputtags::response[-1]);
+ $id2=$Apache::inputtags::response[-1];
}
+ $shift_amt=scalar(@Apache::inputtags::responselist);
+ } elsif ($Apache::lonhomework::parsing_a_task) {
+ $id1=&Apache::bridgetask::get_dim_id();
+ if (!$ignore_id2 && ref($Apache::bridgetask::instance{$id1})) {
+ $id2=$Apache::bridgetask::instance{$id1}[-1];
+ $shift_amt=scalar(@{$Apache::bridgetask::instance{$id1}});
+ } else {
+ $shift_amt=0;
+ }
+ }
+ &Apache::lonxml::debug("id1: $id1, id2: $id2, shift_amt: $shift_amt");
+ if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
+ $rand_alg eq '64bit2') {
+ $rndmod=(&Apache::lonnet::numval($id1) << 10);
+ if (defined($id2)) { $rndmod+=&Apache::lonnet::numval($id2); }
} elsif ($rand_alg eq '64bit3') {
- $rndmod=(&Apache::lonnet::numval2($Apache::inputtags::part) << 10);
- if (defined($Apache::inputtags::response[-1])) {
- $rndmod+=&Apache::lonnet::numval2($Apache::inputtags::response[-1]);
+ $rndmod=(&Apache::lonnet::numval2($id1) << 10);
+ if (defined($id2)) { $rndmod+=&Apache::lonnet::numval2($id2); }
+ } elsif ($rand_alg eq '64bit4') {
+ my $shift=(4*$shift_amt)%30;
+ $rndmod=(&Apache::lonnet::numval3($id1) << (($shift+15)%30));
+ if (defined($id2)) {
+ $rndmod+=(&Apache::lonnet::numval3($id2) << $shift );
}
} else {
- $rndmod=(&Apache::lonnet::numval3($Apache::inputtags::part) << 10);
- if (defined($Apache::inputtags::response[-1])) {
- my $shift=(4*scalar(@Apache::inputtags::response))%20;
- $rndmod+=(&Apache::lonnet::numval3($Apache::inputtags::response[-1]) << $shift );
- }
+ ($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2");
}
+
if ($rndseed =~/([,:])/) {
my $char=$1;
use integer;
my ($num1,$num2)=split(/\Q$char\E/,$rndseed);
$num1+=$rndmod;
- $num2+=$rndmod;
+ $num2+= ((defined($rndmod2)) ? $rndmod2 : $rndmod);
if($Apache::lonnet::_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
$rndseed=$num1.$char.$num2;
} else {
@@ -246,11 +265,14 @@ sub meta_response_order {
}
sub check_for_previous {
- my ($curresponse,$partid,$id) = @_;
+ my ($curresponse,$partid,$id,$last) = @_;
my %previous;
$previous{'used'} = 0;
foreach my $key (sort(keys(%Apache::lonhomework::history))) {
if ($key =~ /resource\.$partid\.$id\.submission$/) {
+ if ( $last && $key =~ /^(\d+):/ ) {
+ next if ($1 >= $last);
+ }
&Apache::lonxml::debug("Trying $key");
my $pastresponse=$Apache::lonhomework::history{$key};
if ($pastresponse eq $curresponse) {
@@ -288,9 +310,9 @@ sub handle_previous {
}
sub view_or_modify {
- my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
+ my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
my $myself=0;
- if ( ($name eq $ENV{'user.name'}) && ($domain eq $ENV{'user.domain'}) ) {
+ if ( ($name eq $env{'user.name'}) && ($domain eq $env{'user.domain'}) ) {
$myself=1;
}
my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
@@ -321,14 +343,14 @@ sub end_dataresponse {
my $result;
if ( $target eq 'web' ) {
} elsif ($target eq 'grade' ) {
- if ( defined $ENV{'form.submitted'}) {
- my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser();
+ if ( defined $env{'form.submitted'}) {
+ my ($symb,$courseid,$domain,$name)=&Apache::lonnet::whichuser();
my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
if ($allowed) {
&Apache::response::setup_params('dataresponse',$safeeval);
my $partid = $Apache::inputtags::part;
my $id = $Apache::inputtags::response['-1'];
- my $response = $ENV{'form.HWVAL_'.$id};
+ 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;
@@ -344,6 +366,253 @@ sub end_dataresponse {
return $result;
}
+sub start_customresponse {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $id = &Apache::response::start_response($parstack,$safeeval);
+ push(@Apache::lonxml::namespace,'customresponse');
+ my $result;
+ @Apache::response::custom_answer=();
+ @Apache::response::custom_answer_type=();
+ &Apache::lonxml::register('Apache::response',('answer'));
+ if ($target eq 'web') {
+ if ( &Apache::response::show_answer() ) {
+ my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack,
+ $safeeval);
+ $Apache::inputtags::answertxt{$id}=[$answer];
+ }
+ } elsif ($target eq 'edit') {
+ $result.=&Apache::edit::tag_start($target,$token);
+ $result.=&Apache::edit::text_arg('String to display for answer:',
+ 'answerdisplay',$token);
+ $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
+ } elsif ($target eq 'modified') {
+ my $constructtag;
+ $constructtag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,'answerdisplay');
+ if ($constructtag) {
+ $result = &Apache::edit::rebuild_tag($token);
+ }
+ } elsif ($target eq 'answer' || $target eq 'grade') {
+ &Apache::response::reset_params();
+ } elsif ($target eq 'meta') {
+ $result .= &Apache::response::meta_package_write('customresponse');
+ }
+ return $result;
+}
+
+sub end_customresponse {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $result;
+ my $part=$Apache::inputtags::part;
+ my $id=$Apache::inputtags::response[-1];
+ if ( $target eq 'grade' && &Apache::response::submitted() ) {
+ my $response = &Apache::response::getresponse();
+ if ($Apache::lonhomework::type eq 'exam' ||
+ &Apache::response::submitted('scantron')) {
+ &Apache::response::scored_response($part,$id);
+ } elsif ( $response =~ /[^\s]/ &&
+ $Apache::response::custom_answer_type[-1] eq 'loncapa/perl') {
+ if (!$Apache::lonxml::default_homework_loaded) {
+ &Apache::lonxml::default_homework_load($safeeval);
+ }
+ my %previous = &Apache::response::check_for_previous($response,
+ $part,$id);
+ $Apache::lonhomework::results{"resource.$part.$id.submission"}=
+ $response;
+ my $error;
+ ${$safeeval->varglob('LONCAPA::customresponse_submission')}=
+ $response;
+
+ my $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
+ if (!&Apache::inputtags::valid_award($award)) {
+ $error = $award;
+ $award = 'ERROR';
+ }
+ &Apache::response::handle_previous(\%previous,$award);
+ $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
+ $award;
+ if ($error) {
+ $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=
+ $error;
+ }
+ }
+ } elsif ( $target eq 'answer') {
+ $result = &Apache::response::answer_header('customresponse');
+ my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack,
+ $safeeval);
+ if ($env{'form.answer_output_mode'} ne 'tex') {
+ $answer = ''.$answer.'';
+ }
+ $result .= &Apache::response::answer_part('customresponse',$answer);
+ $result .= &Apache::response::answer_footer('customresponse');
+ }
+ if ($target eq 'web') {
+ &setup_prior_tries_hash(\&format_prior_response_math);
+ }
+ if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
+ $target eq 'tex' || $target eq 'analyze') {
+ &Apache::lonxml::increment_counter(&Apache::response::repetition(),
+ "$part.$id");
+ if ($target eq 'analyze') {
+ &Apache::lonhomework::set_bubble_lines();
+ }
+ }
+ pop(@Apache::lonxml::namespace);
+ pop(@Apache::response::custom_answer);
+ pop(@Apache::response::custom_answer_type);
+ &Apache::lonxml::deregister('Apache::response',('answer'));
+ &Apache::response::end_response();
+ return $result;
+}
+
+sub format_prior_response_custom {
+ my ($mode,$answer) =@_;
+ return ''.
+ &HTML::Entities::encode($answer,'"<>&').'';
+}
+
+sub start_mathresponse {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $id = &Apache::response::start_response($parstack,$safeeval);
+ push(@Apache::lonxml::namespace,'mathresponse');
+ my $result;
+ @Apache::response::custom_answer=();
+ @Apache::response::custom_answer_type=();
+ &Apache::lonxml::register('Apache::response',('answer'));
+ if ($target eq 'web') {
+ if ( &Apache::response::show_answer() ) {
+ my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack,
+ $safeeval);
+ $Apache::inputtags::answertxt{$id}=[$answer];
+ }
+ } elsif ($target eq 'edit') {
+ $result.=&Apache::edit::tag_start($target,$token);
+ $result.=&Apache::edit::text_arg('String to display for answer:',
+ 'answerdisplay',$token);
+ $result.=&Apache::edit::select_arg('Algebra System:',
+ 'cas',
+ ['maxima'],
+ $token);
+ $result.=&Apache::edit::text_arg('Argument Array:',
+ 'args',$token);
+ $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
+ } elsif ($target eq 'modified') {
+ my $constructtag;
+ $constructtag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,'answerdisplay','cas','args');
+ if ($constructtag) {
+ $result = &Apache::edit::rebuild_tag($token);
+ }
+ } elsif ($target eq 'answer' || $target eq 'grade') {
+ &Apache::response::reset_params();
+ } elsif ($target eq 'meta') {
+ $result .= &Apache::response::meta_package_write('mathresponse');
+ }
+ return $result;
+}
+
+sub end_mathresponse {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $result;
+ my $part=$Apache::inputtags::part;
+ my $id=$Apache::inputtags::response[-1];
+ if ( $target eq 'grade' && &Apache::response::submitted() ) {
+ my $response = &Apache::response::getresponse();
+ if ( $response =~ /[^\s]/ ) {
+ if (!$Apache::lonxml::default_homework_loaded) {
+ &Apache::lonxml::default_homework_load($safeeval);
+ }
+ my %previous = &Apache::response::check_for_previous($response,
+ $part,$id);
+ $Apache::lonhomework::results{"resource.$part.$id.submission"}=
+ $response;
+ my $error;
+ my $award;
+ my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval);
+ if ($cas eq 'maxima') {
+ my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
+ $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args);
+ }
+ if (!&Apache::inputtags::valid_award($award)) {
+ $error = $award;
+ $award = 'ERROR';
+ }
+ &Apache::response::handle_previous(\%previous,$award);
+ $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
+ $award;
+ if ($error) {
+ $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=
+ $error;
+ }
+ }
+ }
+ if ($target eq 'web') {
+ &setup_prior_tries_hash(\&format_prior_response_math);
+ }
+
+ pop(@Apache::lonxml::namespace);
+ pop(@Apache::response::custom_answer);
+ pop(@Apache::response::custom_answer_type);
+ &Apache::lonxml::deregister('Apache::response',('answer'));
+ &Apache::response::end_response();
+ return $result;
+}
+
+sub format_prior_response_math {
+ my ($mode,$answer) =@_;
+ return ''.
+ &HTML::Entities::encode($answer,'"<>&').'';
+}
+
+sub implicit_multiplication {
+ my ($expression)=@_;
+# Escape scientific notation, so 3e8 does not become 3*e*8
+# 3e8 -> 3&8; 3e-8 -> 3&-8; 3E+8 -> e&+8
+ $expression=~s/(\d+)e([\+\-]*\d+)/$1\&\($2\)/gsi;
+# 3x10^8 -> 3&8; 3*10^-8 -> 3&-8
+ $expression=~s/(\d+)(?:x|\*)10(?:\^|\*\*)([\+\-]*\d+)/$1\&\($2\)/gsi;
+# Fill in multiplication signs
+# a b -> a*b;3 b -> 3*b;3 4 -> 3*4
+ $expression=~s/([A-Za-z0-9])\s+(?=[A-Za-z0-9])/$1\*/gs;
+# )( -> )*(; ) ( -> )*(
+ $expression=~s/\)\s*\(/\)\*\(/gs;
+# 3a -> 3*a; 3( -> 3*(; 3 ( -> 3*(; 3A -> 3*A
+ $expression=~s/(\d)\s*([a-zA-Z\(])/$1\*$2/gs;
+# a ( -> a*(
+ $expression=~s/([A-Za-z0-9])\s+\(/$1\*\(/gs;
+# )a -> )*a; )3 -> )*3; ) 3 -> )*3
+ $expression=~s/\)\s*([A-Za-z0-9])/\)\*$1/gs;
+# 3&8 -> 3e8; 3&-4 -> 3e-4
+ $expression=~s/(\d+)\&\(([\+\-]*\d+)\)/$1e$2/gs;
+ return $expression;
+}
+
+sub start_answer {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $result;
+ push(@Apache::response::custom_answer,
+ &Apache::lonxml::get_all_text_unbalanced("/answer",$parser));
+ push(@Apache::response::custom_answer_type,
+ lc(&Apache::lonxml::get_param('type',$parstack,$safeeval)));
+ $Apache::response::custom_answer_type[-1] =~ s/\s+//g;
+ if ($target eq "edit" ) {
+ $result=&Apache::edit::tag_start($target,$token,'Answer algorithm');
+ $result.=&Apache::edit::editfield($token->[1],
+ $Apache::response::custom_answer[-1],
+ '',80,4);
+ } elsif ( $target eq "modified" ) {
+ $result=$token->[4].&Apache::edit::modifiedfield('/answer',$parser);
+ }
+ return $result;
+}
+
+sub end_answer {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ if ($target eq 'edit' ) {
+ return &Apache::edit::end_table();
+ }
+}
+
sub decide_package {
my ($tagstack)=@_;
my $package;
@@ -396,8 +665,8 @@ sub start_responseparam {
$safeeval,'name','type',
'description','default');
my $element=&Apache::edit::html_element_name('parameter_package');
- if (defined($ENV{"form.$element"}) && $ENV{"form.$element"} ne '') {
- my $name=$ENV{"form.$element"};
+ if (defined($env{"form.$element"}) && $env{"form.$element"} ne '') {
+ my $name=$env{"form.$element"};
my $tag=&decide_package($tagstack);
$token->[2]->{'name'}=$name;
$token->[2]->{'type'}=
@@ -410,11 +679,10 @@ sub start_responseparam {
}
if ($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') {
+ if ($env{'request.state'} eq 'construct') {
my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval);
my $default=&Apache::lonxml::get_param('default',$parstack,
$safeeval);
@@ -431,13 +699,11 @@ sub end_responseparam {
}
sub start_parameter {
- my $result = &start_responseparam(@_);
- return $result;
+ return &start_responseparam(@_);
}
sub end_parameter {
- my $result = &end_responseparam(@_);
- return $result;
+ return &end_responseparam(@_);
}
sub reset_params {
@@ -447,10 +713,10 @@ sub reset_params {
sub setup_params {
my ($tag,$safeeval) = @_;
- if ($ENV{'request.state'} eq 'construct') { return; }
+ if ($env{'request.state'} eq 'construct') { return; }
my %paramlist=();
foreach my $key (keys(%Apache::lonnet::packagetab)) {
- if ($key =~ /^$tag/) {
+ if ($key =~ /^\Q$tag\E/) {
my ($package,$name) = split(/&/,$key);
$paramlist{$name}=1;
}
@@ -476,26 +742,76 @@ sub setup_params {
}
}
+{
+ my @answer_bits;
+ my $need_row_start;
+
sub answer_header {
+ my ($type,$increment,$rows) = @_;
+ my $result;
+ if ($env{'form.answer_output_mode'} eq 'tex') {
+ undef(@answer_bits);
+ my $bit;
+ if ($Apache::lonhomework::type eq 'exam') {
+ $bit = ($Apache::lonxml::counter+$increment).') ';
+ } else {
+ $bit .= ' Answer for Part: \verb|'.
+ $Apache::inputtags::part.'| ';
+ }
+ push(@answer_bits,$bit);
+ } else {
+ my $td = '';
+ $result = '';
+ if ($Apache::lonhomework::type eq 'exam') {
+ $result .= $td.($Apache::lonxml::counter+$increment). ')';
+ } else {
+ $result .= $td.&mt('Answer for Part: [_1]',
+ $Apache::inputtags::part).'';
+ }
+ $result .= "\n";
+ $need_row_start = 0;
+ }
+ return $result;
+}
+
+sub next_answer {
my ($type) = @_;
my $result;
- if ($ENV{'form.answer_output_mode'} eq 'tex') {
- $result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: \verb|'.
- $Apache::inputtags::part.'| \\\\ \hline ';
+ if ($env{'form.answer_output_mode'} eq 'tex') {
+ # FIXME ... need to do something with tex mode
} else {
- $result = '| Answer for Part:'.
- $Apache::inputtags::part. ' | '."\n";
+ $result .= " ";
+ $need_row_start = 1;
}
return $result;
}
sub answer_part {
- my ($type,$answer) = @_;
+ my ($type,$answer,$args) = @_;
my $result;
- if ($ENV{'form.answer_output_mode'} eq 'tex') {
- $result = ' \verb|'.$answer.'|\\\\ \hline ';
+ if ($env{'form.answer_output_mode'} eq 'tex') {
+ if (!$args->{'no_verbatim'}) {
+ my $to_use='|';
+ foreach my $value (32..126) {
+ my $char=pack('c',$value);
+ if ($answer !~ /\Q$char\E/) {
+ $to_use=$char;
+ last;
+ }
+ }
+ if ($answer ne '') {
+ $answer = '\verb'.$to_use.$answer.$to_use;
+ }
+ }
+ if ($answer ne '') {
+ push(@answer_bits,$answer);
+ }
} else {
- $result = ''.$answer.' | ';
+ if ($need_row_start) {
+ $result .= '';
+ $need_row_start = 0;
+ }
+ $result .= '| '.$answer.' | ';
}
return $result;
}
@@ -503,19 +819,25 @@ sub answer_part {
sub answer_footer {
my ($type) = @_;
my $result;
- if ($ENV{'form.answer_output_mode'} eq 'tex') {
- $result = ' \end{tabular} \vskip 0 mm ';
+ if ($env{'form.answer_output_mode'} eq 'tex') {
+ my $columns = scalar(@answer_bits);
+ $result = ' \vskip 0 mm \noindent \begin{tabular}{|'.'c|'x$columns.'}\hline ';
+ $result .= join(' & ',@answer_bits);
+ $result .= ' \\\\ \\hline \end{tabular} \vskip 0 mm ';
} else {
$result = '
';
}
return $result;
}
+}
+
sub showallfoils {
- if (defined($ENV{'form.showallfoils'})) {
- my ($symb)=&Apache::lonxml::whichuser();
- if ($ENV{'request.state'} eq 'construct' ||
- ($ENV{'user.adv'} && $symb eq '')) {
+ if (defined($env{'form.showallfoils'})) {
+ my ($symb)=&Apache::lonnet::whichuser();
+ if (($env{'request.state'} eq 'construct') ||
+ ($env{'user.adv'} && $symb eq '') ||
+ ($Apache::lonhomework::viewgrades) ) {
return 1;
}
}
@@ -523,53 +845,143 @@ sub showallfoils {
return 0;
}
+=pod
+
+=item &getresponse($offset,$resulttype);
+
+Retreives the current submitted response, helps out in the case of
+scantron mode.
+
+Returns either the exact text of the submission, or a bubbled response
+converted to something usable.
+
+Optional Arguments:
+ $offset - (defaults to 1) if a problem has more than one bubble
+ response, pass in the number of the bubble wanted, (the
+ first bubble associated with a problem has an offset of 1,
+ the second bubble is 2
+
+ $resulttype - undef -> a number between 0 and 25
+ 'A is 1' -> a number between 1 and 26
+ 'letter' -> a letter between 'A' and 'Z'
+ $lines - undef problem only needs a single line of bubbles.
+ nonzero Problem wants the first nonempty response in
+ $lines lines of bubbles.
+ $bubbles_per_line - Must be provided if lines is defined.. number of
+ bubbles on a line.
+
+=cut
+
sub getresponse {
- my ($temp,$resulttype)=@_;
+ my ($offset,$resulttype, $lines, $bubbles_per_line)=@_;
my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
my $response;
- if (!defined($temp)) {
- $temp=1;
+ if (!defined($offset)) {
+ $offset=1;
} else {
- $formparm.=":$temp";
+ $formparm.=":$offset";
}
+ if (!defined($lines)) {
+ $lines = 1;
+ }
+
my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
- if ($ENV{'form.submitted'} eq 'scantron') {
+ 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'};
+
+ my $line;
+ for ($line = 0; $line < $lines; $line++) {
+ $response = $env{'scantron.'.
+ ($Apache::lonxml::counter+$offset-1+$line).
+ '.answer'};
+ if ($response ne "") {
+ last;
+ }
+
+ }
+
# save bubbled letter for later
$Apache::lonhomework::results{"resource.$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};
}
+ if ($response ne "") {
+ $response += $line * $bubbles_per_line;
+ }
+ } else {
+ if ($response ne "") {
+ $response = chr(ord($response) + $line * $bubbles_per_line);
+ }
}
+
} else {
- $response = $ENV{$formparm};
+ $response = $env{$formparm};
}
+ #
+ # If we have a nonempty answer, correct the numeric value
+ # of the answer for the line on which it was found.
+ #
+
return $response;
}
+=pod
+
+=item &repetition();
+
+Returns the number of lines that are required to encode the weight.
+(Currently expects that there are 10 bubbles per line)
+
+=cut
+
sub repetition {
my $id = $Apache::inputtags::part;
my $weight = &Apache::lonnet::EXT("resource.$id.weight");
- my $repetition = int $weight/9;
- if ($weight % 9 != 0) {$repetition++;}
+ if (!defined($weight) || ($weight eq '')) { $weight=1; }
+ my $repetition = int($weight/10);
+ if ($weight % 10 != 0) { $repetition++; }
return $repetition;
}
+=pod
+
+=item &scored_response($part_id,$response_id);
+
+Sets the results hash elements
+
+ resource.$part_id.$response_id.awarded - to the floating point
+ number between 0 and 1 that was awarded on the bubbled input
+
+ resource.$part_id.$response_id.awarddetail - to 'ASSIGNED_SCORE'
+
+Returns
+
+ the number of bubble sheet lines that were used (and likely need to
+ be passed to &Apache::lonxml::increment_counter()
+
+Arguments
+
+ $part_id - id of the part to grade
+ $response_id - id of the response to grade
+
+
+=cut
+
sub scored_response {
my ($part,$id)=@_;
my $repetition=&repetition();
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)
my $increase=&Apache::response::getresponse($i+1);
if ($increase ne '') { $score+=$increase+1; }
}
@@ -638,7 +1050,7 @@ sub show_answer {
my $award = $Apache::lonhomework::history{"resource.$part.solved"};
my $status = $Apache::inputtags::status[-1];
return ( ($award =~ /^correct/
- && lc($Apache::lonhomework::problemstatus) ne 'no')
+ && &Apache::lonhomework::show_problem_status())
|| $status eq "SHOW_ANSWER");
}
@@ -699,11 +1111,21 @@ sub pick_foil_for_concept {
$Apache::response::conceptgroup{'names'};
}
-
+#------------------------------------------------------------
+#
+# Get a parameter associated with a problem.
+# Parameters:
+# $id - the id of the paramater, either a part id,
+# or a partid and responspe id joined by _
+# $name - Name of the parameter to fetch
+# $default - Default value for the paramter.
+#
+#
+#
sub get_response_param {
my ($id,$name,$default)=@_;
my $parameter;
- if ($ENV{'request.state'} eq 'construct' &&
+ if ($env{'request.state'} eq 'construct' &&
defined($Apache::inputtags::params{$name})) {
$parameter=$Apache::inputtags::params{$name};
} else {
@@ -715,6 +1137,123 @@ sub get_response_param {
return $parameter;
}
+sub submitted {
+ my ($who)=@_;
+
+ # when scatron grading any submission is a submission
+ if ($env{'form.submitted'} eq 'scantron') { return 1; }
+ # if the caller only cared if this was a scantron submission
+ if ($who eq 'scantron') { return 0; }
+ # if the Submit Answer button for this particular part was pressed
+ my $partid=$Apache::inputtags::part;
+ if ($env{'form.submitted'} eq "part_$partid") {
+ return 1;
+ }
+ if ($env{'form.submitted'} eq "yes"
+ && defined($env{'form.submit_'.$partid})) {
+ return 1;
+ }
+ # Submit All button on a .page was pressed
+ if (defined($env{'form.all_submit'})) { return 1; }
+ # otherwise no submission occured
+ return 0;
+}
+
+sub add_to_gradingqueue {
+ my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
+ if ( $courseid eq ''
+ || $symb eq ''
+ || $env{'request.state'} eq 'construct'
+ || $Apache::lonhomework::type ne 'problem') {
+ return;
+ }
+
+ my %queue_info = ( 'type' => 'problem',
+ 'time' => time);
+
+ if (exists($Apache::lonhomework::history{"resource.0.checkedin.slot"})) {
+ $queue_info{'slot'}=
+ $Apache::lonhomework::history{"resource.0.checkedin.slot"};
+ }
+
+ my $result=&Apache::bridgetask::add_to_queue('gradingqueue',\%queue_info);
+ if ($result ne 'ok') {
+ &Apache::lonxml::error("add_to_queue said $result");
+ }
+}
+
+# basically undef and 0 (both false) mean that they still have work to do
+# and all true values mean that they can't do any more work
+#
+# a return of undef means it is unattempted
+# a return of 0 means it is attmpted and wrong but still has tries
+# a return of 1 means it is marked correct
+# a return of 2 means they have exceed maximum number of tries
+# a return of 3 means it after the answer date
+sub check_status {
+ my ($id)=@_;
+ if (!defined($id)) { $id=$Apache::inputtags::part; }
+ my $curtime=&Apache::lonnet::EXT('system.time');
+ my $opendate=&Apache::lonnet::EXT("resource.$id.opendate");
+ my $duedate=&Apache::lonnet::EXT("resource.$id.duedate");
+ my $answerdate=&Apache::lonnet::EXT("resource.$id.answerdate");
+ if ( $opendate && $curtime > $opendate &&
+ $duedate && $curtime > $duedate &&
+ $answerdate && $curtime > $answerdate) {
+ return 3;
+ }
+ my $status=&Apache::lonnet::EXT("user.resource.resource.$id.solved");
+ if ($status =~ /^correct/) { return 1; }
+ if (!$status) { return undef; }
+ my $maxtries=&Apache::lonnet::EXT("resource.$id.maxtries");
+ if ($maxtries eq '') { $maxtries=2; }
+ my $curtries=&Apache::lonnet::EXT("user.resource.resource.$id.tries");
+ if ($curtries < $maxtries) { return 0; }
+ return 2;
+}
+
+=pod
+
+=item setup_prior_tries_hash($func,$data)
+
+ Foreach each past .submission $func is called with 3 arguments
+ - the mode to set things up for (currently always 'grade')
+ - the stored .submission string
+ - The expansion of $data
+
+ $data is an array ref containing elements that are either
+ - scalars that are other elements of the history hash to pass to $func
+ - ref to data to be passed untouched to $func
+
+=cut
+
+sub setup_prior_tries_hash {
+ my ($func,$data) = @_;
+ my $part = $Apache::inputtags::part;
+ my $id = $Apache::inputtags::response[-1];
+ foreach my $i (1..$Apache::lonhomework::history{'version'}) {
+ my $sub_key = "$i:resource.$part.$id.submission";
+ next if (!exists($Apache::lonhomework::history{$sub_key}));
+ my @other_data;
+ foreach my $datum (@{ $data }) {
+ if (ref($datum)) {
+ push(@other_data,$datum);
+ } else {
+ my $info_key = "$i:resource.$part.$id.$datum";
+ push(@other_data,$Apache::lonhomework::history{$info_key});
+ }
+ }
+
+ my $output =
+ &$func('grade',
+ $Apache::lonhomework::history{$sub_key},
+ \@other_data);
+ if (defined($output)) {
+ $Apache::inputtags::submission_display{$sub_key} = $output;
+ }
+ }
+}
+
1;
__END__
|