--- loncom/homework/response.pm 2006/07/18 17:24:33 1.144
+++ loncom/homework/response.pm 2006/12/18 21:37:47 1.158
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# various response type definitons response definition
#
-# $Id: response.pm,v 1.144 2006/07/18 17:24:33 www Exp $
+# $Id: response.pm,v 1.158 2006/12/18 21:37:47 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -30,6 +30,7 @@ package Apache::response;
use strict;
use Apache::lonlocal;
use Apache::lonnet;
+use Apache::lonmaxima();
BEGIN {
&Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse'));
@@ -306,7 +307,7 @@ 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'}) ) {
$myself=1;
@@ -340,7 +341,7 @@ sub end_dataresponse {
if ( $target eq 'web' ) {
} elsif ($target eq 'grade' ) {
if ( defined $env{'form.submitted'}) {
- my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser();
+ my ($symb,$courseid,$domain,$name)=&Apache::lonnet::whichuser();
my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
if ($allowed) {
&Apache::response::setup_params('dataresponse',$safeeval);
@@ -367,19 +368,19 @@ sub start_customresponse {
my $id = &Apache::response::start_response($parstack,$safeeval);
push(@Apache::lonxml::namespace,'customresponse');
my $result;
- undef($Apache::response::custom_answer);
+ @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;
+ $Apache::inputtags::answertxt{$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).
- &Apache::loncommon::help_open_topic('Custom_Response_Problems','How to write custom responses');
+ 'answerdisplay',$token);
$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {
my $constructtag;
@@ -404,8 +405,11 @@ sub end_customresponse {
my $id=$Apache::inputtags::response[-1];
if ( $target eq 'grade' && &Apache::response::submitted() ) {
my $response = &Apache::response::getresponse();
- if ( $response =~ /[^\s]/ &&
- $Apache::response::custom_answer_type eq 'loncapa/perl') {
+ if ($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);
}
@@ -417,7 +421,7 @@ sub end_customresponse {
${$safeeval->varglob('LONCAPA::customresponse_submission')}=
$response;
- my $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer.'}',$safeeval);
+ 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';
@@ -430,8 +434,23 @@ sub end_customresponse {
$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') {
+ $answer = '<b>'.$answer.'</b>';
+ }
+ $result .= &Apache::response::answer_part('customresponse',$answer);
+ $result .= &Apache::response::answer_footer('customresponse');
+ }
+ if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
+ $target eq 'tex' || $target eq 'analyze') {
+ &Apache::lonxml::increment_counter(&Apache::response::repetition());
}
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;
@@ -443,23 +462,30 @@ sub start_mathresponse {
my $id = &Apache::response::start_response($parstack,$safeeval);
push(@Apache::lonxml::namespace,'mathresponse');
my $result;
- undef($Apache::response::custom_answer);
+ @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;
+ $Apache::inputtags::answertxt{$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');
+ $safeeval,'answerdisplay','cas','args');
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
$result.=&Apache::edit::handle_insert();
@@ -479,8 +505,7 @@ sub end_mathresponse {
my $id=$Apache::inputtags::response[-1];
if ( $target eq 'grade' && &Apache::response::submitted() ) {
my $response = &Apache::response::getresponse();
- if ( $response =~ /[^\s]/ &&
- $Apache::response::custom_answer_type eq 'loncapa/perl') {
+ if ( $response =~ /[^\s]/ ) {
if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);
}
@@ -489,10 +514,12 @@ sub end_mathresponse {
$Apache::lonhomework::results{"resource.$part.$id.submission"}=
$response;
my $error;
- ${$safeeval->varglob('LONCAPA::mathresponse_submission')}=
- $response;
-
- my $award = &Apache::run::run('{ my $submission=$LONCAPA::mathresponse_submission;'.$Apache::response::custom_answer.'}',$safeeval);
+ 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';
@@ -507,24 +534,48 @@ sub end_mathresponse {
}
}
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 $result;
}
+sub implicit_multiplication {
+ my ($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/(\w)\s+(\w)/$1\*$2/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/(\w)\s+\(/$1\*\(/gs;
+# )a -> )*a; )3 -> )*3; ) 3 -> )*3
+ $expression=~s/\)\s*(\w)/\)\*$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;
- $Apache::response::custom_answer=
- &Apache::lonxml::get_all_text_unbalanced("/answer",$parser);
- $Apache::response::custom_answer_type=
- lc(&Apache::lonxml::get_param('type',$parstack,$safeeval));
- $Apache::response::custom_answer_type =~ s/\s+//g;
+ push(@Apache::response::custom_answer,
+ &Apache::lonxml::get_all_text_unbalanced("/answer",$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,
+ $Apache::response::custom_answer[-1],
'',80,4);
} elsif ( $target eq "modified" ) {
$result=$token->[4].&Apache::edit::modifiedfield('/answer',$parser);
@@ -671,9 +722,10 @@ sub setup_params {
{
my @answer_bits;
+ my $need_row_start;
sub answer_header {
- my ($type,$increment) = @_;
+ my ($type,$increment,$rows) = @_;
my $result;
if ($env{'form.answer_output_mode'} eq 'tex') {
undef(@answer_bits);
@@ -686,34 +738,58 @@ sub answer_header {
}
push(@answer_bits,$bit);
} else {
+ my $td = '<td '.(defined($rows)?'rowspan="'.$rows.'"':'').'>';
$result = '<table border="1"><tr>';
if ($Apache::lonhomework::type eq 'exam') {
- $result .= '<td>'.($Apache::lonxml::counter+$increment). ')</td>';
+ $result .= $td.($Apache::lonxml::counter+$increment). ')</td>';
} else {
- $result .= '<td>Answer for Part:'.$Apache::inputtags::part.'</td>';
+ $result .= $td.&mt('Answer for Part: [_1]',
+ $Apache::inputtags::part).'</td>';
}
$result .= "\n";
+ $need_row_start = 0;
+ }
+ return $result;
+}
+
+sub next_answer {
+ my ($type) = @_;
+ my $result;
+ if ($env{'form.answer_output_mode'} eq 'tex') {
+ # FIXME ... need to do something with tex mode
+ } else {
+ $result .= "</tr>";
+ $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') {
- my $to_use='|';
- foreach my $value (32..126) {
- my $char=pack('c',$value);
- if ($answer !~ /\Q$char\E/) {
- $to_use=$char;
- last;
+ 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 ($answer ne '') {
- push(@answer_bits,'\verb'.$to_use.$answer.$to_use);
+ push(@answer_bits,$answer);
}
} else {
- $result = '<td>'.$answer.'</td>';
+ if ($need_row_start) {
+ $result .= '<tr>';
+ $need_row_start = 0;
+ }
+ $result .= '<td>'.$answer.'</td>';
}
return $result;
}
@@ -736,7 +812,7 @@ sub answer_footer {
sub showallfoils {
if (defined($env{'form.showallfoils'})) {
- my ($symb)=&Apache::lonxml::whichuser();
+ my ($symb)=&Apache::lonnet::whichuser();
if (($env{'request.state'} eq 'construct') ||
($env{'user.adv'} && $symb eq '') ||
($Apache::lonhomework::viewgrades) ) {
@@ -958,7 +1034,7 @@ sub submitted {
}
sub add_to_gradingqueue {
- my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
+ my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
if ( $courseid eq ''
|| $symb eq ''
|| $env{'request.state'} eq 'construct'