--- loncom/homework/response.pm 2002/01/30 17:33:15 1.58
+++ loncom/homework/response.pm 2014/09/24 18:14:27 1.237
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# various response type definitons response definition
#
-# $Id: response.pm,v 1.58 2002/01/30 17:33:15 albertel Exp $
+# $Id: response.pm,v 1.237 2014/09/24 18:14:27 damieng Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -25,72 +25,181 @@
#
# http://www.lon-capa.org/
#
-# 11/23,11/24,11/28 Gerd Kortemeyer
-# Guy Albertelli
-# 08/04,08/07 Gerd Kortemeyer
+
+=pod
+
+=head1 NAME
+
+Apache::response.pm
+
+=head1 SYNOPSIS
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+
+=head1 NOTABLE SUBROUTINES
+
+=over
+
+=item
+
+=back
+
+=cut
+
package Apache::response;
use strict;
+use Apache::lonlocal;
+use Apache::lonnet;
+use Apache::inputtags();
+use Apache::lonmaxima();
+use Apache::lonr();
BEGIN {
- &Apache::lonxml::register('Apache::response',('responseparam','parameter','caparesponse','numericalresponse','formularesponse','stringresponse','radiobuttonresponse','optionresponse','imageresponse','essayresponse','dataresponse','externalresponse'));
+ &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 = $Apache::lonxml::curdepth; }
- if ($#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 $id;
+ my ($parstack,$safeeval)=@_;
+ 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;
+ &Apache::lonxml::debug("New :$id:");
+ }
+ push (@Apache::inputtags::response,$id);
+ push (@Apache::inputtags::responselist,$id);
+ @Apache::inputtags::inputlist=();
+ if ($Apache::inputtags::part eq '' &&
+ !$Apache::lonhomework::ignore_response_errors) {
+ &Apache::lonxml::error(&HTML::Entities::encode(&mt("Found a <*response> outside of a <part> in a <part>ed problem"),'<>&"'));
+ }
+ if ($Apache::inputtags::response_with_no_part &&
+ $Apache::inputtags::part ne '0') {
+ &Apache::lonxml::error(&HTML::Entities::encode(&mt("<*response>s are both inside of <part> and outside of <part>, this is not a valid problem, errors in grading may occur."),'<>&"').'<br />');
+ }
+ if ($Apache::inputtags::part eq '0') {
+ $Apache::inputtags::response_with_no_part=1;
+ }
+ return $id;
}
sub end_response {
- pop @Apache::inputtags::response;
- @Apache::inputtags::inputlist=();
- return '';
+ #pop @Apache::inputtags::response;
+ @Apache::inputtags::inputlist=();
+ return '';
}
sub start_hintresponse {
- my ($parstack,$safeeval)=@_;
- my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
- if ($id eq '') { $id = $Apache::lonxml::curdepth; }
- push (@Apache::inputtags::response,$id);
- return $id;
+ my ($parstack,$safeeval)=@_;
+ 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 $id;
}
sub end_hintresponse {
- pop @Apache::inputtags::response;
- return '';
+ pop @Apache::inputtags::hint;
+ if (defined($Apache::inputtags::paramstack[-1])) {
+ %Apache::inputtags::params=
+ @{ pop(@Apache::inputtags::paramstack) };
+ }
+ return '';
+}
+
+my @randomseeds;
+sub pushrandomnumber {
+ my $rand_alg=&Apache::lonnet::get_rand_alg();
+ if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
+ $rand_alg eq '64bit2') {
+ # do nothing
+ } else {
+ my @seed=&Math::Random::random_get_seed();
+ push(@randomseeds,\@seed);
+ }
+ &Apache::response::setrandomnumber(@_);
+}
+sub poprandomnumber {
+ my $rand_alg=&Apache::lonnet::get_rand_alg();
+ if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
+ $rand_alg eq '64bit2') {
+ return;
+ }
+ my $seed=pop(@randomseeds);
+ if ($seed) {
+ &Math::Random::random_set_seed(@$seed);
+ } else {
+ &Apache::lonxml::error("Unable to restore random algorithm.");
+ }
}
-# 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);
- $rndseed=$rndseed
- +(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
- if (defined($Apache::inputtags::response['-1'])) {
- $rndseed=$rndseed
- +&Apache::lonnet::numval($Apache::inputtags::response['-1']);
- }
- srand($rndseed);
- &Apache::lonxml::debug("randseed $rndseed");
- return '';
+ my ($ignore_id2,$target,$rndseed) = @_;
+ if (!defined($rndseed)) {
+ $rndseed=&Apache::structuretags::setup_rndseed(undef,$target);
+ }
+ 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,$rndmod2);
+
+ my ($id1,$id2,$shift_amt);
+ if ($Apache::lonhomework::parsing_a_problem) {
+ $id1=$Apache::inputtags::part;
+ if (defined($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') {
+ $rndmod=(&Apache::lonnet::numval2($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,$rndmod2)=&Apache::lonnet::digest("$id1,$id2");
+ }
+ $Apache::lonhomework::results{'resource.'.$id1.'.rawrndseed'}=$rndseed;
+ if ($rndseed =~/([,:])/) {
+ my $char=$1;
+ use integer;
+ my ($num1,$num2)=split(/\Q$char\E/,$rndseed);
+ $num1+=$rndmod;
+ $num2+= ((defined($rndmod2)) ? $rndmod2 : $rndmod);
+ if($Apache::lonnet::_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
+ $rndseed=$num1.$char.$num2;
+ } else {
+ $rndseed+=$rndmod;
+ if($Apache::lonnet::_64bit) {
+ use integer;
+ $rndseed=(($rndseed<<32)>>32);
+ }
+ }
+ &Apache::lonxml::debug("randseed $rndmod $rndseed");
+ $Apache::lonhomework::results{'resource.'.$id1.'.rndseed'}=$rndseed;
+ &Apache::lonnet::setup_random_from_rndseed($rndseed);
+ return '';
}
sub meta_parameter_write {
@@ -98,13 +207,13 @@ sub meta_parameter_write {
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];
+ $result.= ' id="'.$Apache::inputtags::response[-1].'"';
+ $partref.='_'.$Apache::inputtags::response[-1];
}
$result.= ' name="'.$name.'"'.
' type="'.$type.'"'.
-($default?' default="'.$default.'"':'').
-($display?' display="'.$display.' [Part: '.$partref.']"':'')
+(defined($default)?' default="'.$default.'"':'').
+(defined($display)?' display="'.$display.' [Part: '.$partref.']"':'')
.'></parameter>'
."\n";
return $result;
@@ -114,7 +223,7 @@ 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].'"';
+ $result.= ' id="'.$Apache::inputtags::response[-1].'"';
}
$result.=' package="'.$name.'"></parameter>'."\n";
return $result;
@@ -125,8 +234,8 @@ sub meta_stores_write {
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];
+ $result.= ' id="'.$Apache::inputtags::response[-1].'"';
+ $partref.='_'.$Apache::inputtags::response[-1];
}
$result.= ' name="'.$name.'"'.
' type="'.$type.'"'.
@@ -134,319 +243,1245 @@ sub meta_stores_write {
"></stores>\n";
}
+=pod
+
+=item mandatory_part_meta()
+
+Autogenerate metadata for mandatory
+input (from RAT or lonparmset) and
+output (to lonspreadsheet)
+of each part
+
+Note: responseid-specific data 'submission' and 'awarddetail'
+not available to spreadsheet -> skip here
+
+=cut
+
+
sub mandatory_part_meta {
-#
-# Autogenerate metadata for mandatory
-# input (from RAT or lonparmset) and
-# output (to lonspreadsheet)
-# of each part
-#
- return
-# &meta_parameter_write('opendate','date_start','',
-# 'Opening Date').
-# &meta_parameter_write('duedate','date_end','',
-# 'Due Date').
-# &meta_parameter_write('answerdate','date_start','',
-# 'Show Answer Date').
-# &meta_parameter_write('weight','int_zeropos','',
-# 'Available Points').
-# &meta_parameter_write('maxtries','int_pos','',
-# 'Maximum Number of Tries').
- &meta_package_write('part').
- &meta_stores_write('solved','string',
- 'Problem Status').
- &meta_stores_write('tries','int_zeropos',
- 'Number of Attempts').
- &meta_stores_write('awarded','float',
- 'Partial Credit Factor');
-#
-# Note: responseid-specific data 'submission' and 'awarddetail'
-# not available to spreadsheet -> skip here
-#
+ return &meta_package_write('part').
+ &meta_stores_write('solved','string','Problem Status').
+ &meta_stores_write('tries','int_zeropos','Number of Attempts').
+ &meta_stores_write('awarded','float','Partial Credit Factor');
+}
+
+sub meta_part_order {
+ if (@Apache::inputtags::partlist) {
+ my @parts=@Apache::inputtags::partlist;
+ shift(@parts);
+ return '<partorder>'.join(',',@parts).'</partorder>'."\n";
+ } else {
+ return '<partorder>0</partorder>'."\n";
+ }
+}
+
+sub meta_response_order {
+ if (@Apache::inputtags::responselist) {
+ return '<responseorder>'.join(',',@Apache::inputtags::responselist).
+ '</responseorder>'."\n";
+ }
}
sub check_for_previous {
- my ($curresponse,$partid,$id) = @_;
- my %previous;
- $previous{'used'} = 0;
- foreach my $key (reverse(sort(keys(%Apache::lonhomework::history)))) {
- if ($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';
- } else {
- $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
- $previous{'last'}='1';
+ my ($curresponse,$partid,$id,$last,$type) = @_;
+ my %previous;
+ $previous{'used'} = 0;
+ my $questiontype = $Apache::lonhomework::type;
+ my $curr_rndseed = $env{'form.'.$partid.'.rndseed'};
+ foreach my $key (sort(keys(%Apache::lonhomework::history))) {
+ if ($key =~ /resource\.\Q$partid\E\.\Q$id\E\.submission$/) {
+ if ( $last && $key =~ /^(\d+):/ ) {
+ next if ($1 >= $last);
+ }
+ &Apache::lonxml::debug("Trying $key");
+ my $pastresponse=$Apache::lonhomework::history{$key};
+ if ($pastresponse eq $curresponse) {
+ my $history;
+ if ( $key =~ /^(\d+):/ ) {
+ $history=$1;
+ next if ((($questiontype eq 'randomizetry') ||
+ ($Apache::lonhomework::history{"$history:resource.$partid.type"} eq 'randomizetry')) &&
+ ($curr_rndseed ne $Apache::lonhomework::history{"$history:resource.$partid.rndseed"}));
+ $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
+ $previous{'last'}='0';
+ push(@{ $previous{'version'} },$history);
+ } else {
+ next if ((($questiontype eq 'randomizetry') ||
+ ($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry')) &&
+ ($curr_rndseed ne $Apache::lonhomework::history{"resource.$partid.rndseed"}));
+ $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
+ $previous{'last'}='1';
+ }
+ $previous{'used'} = 1;
+ if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
+ if ($previous{'award'} eq 'INTERNAL_ERROR') { $previous{'used'}=0; }
+ &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
+ } elsif ($type eq 'ci') {
+ if (lc($pastresponse) eq lc($curresponse)) {
+ if ($key =~ /^(\d+):/) {
+ my $history = $1;
+ next if (($questiontype eq 'randomizetry') &&
+ ($curr_rndseed ne $Apache::lonhomework::history{"$history:resource.$partid.rndseed"}));
+ push (@{$previous{'versionci'}},$history);
+ $previous{'awardci'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
+ $previous{'usedci'} = 1;
+ }
+ }
+ }
}
- if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
- &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
- last;
- }
}
- }
- return %previous;
+ &Apache::lonhomework::showhash(%previous);
+ return %previous;
}
sub handle_previous {
- my ($previous,$ad)=@_;
- if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
- if ($$previous{'last'}) {
- push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
- } else {
- push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
+ my ($previous,$ad)=@_;
+ if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
+ if ($$previous{'last'}) {
+ push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
+ push(@Apache::inputtags::previous_version,$$previous{'version'});
+ } elsif (($Apache::lonhomework::type ne 'survey') &&
+ ($Apache::lonhomework::type ne 'surveycred') &&
+ ($Apache::lonhomework::type ne 'anonsurvey') &&
+ ($Apache::lonhomework::type ne 'anonsurveycred')) {
+ push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
+ push(@Apache::inputtags::previous_version,$$previous{'version'});
+ }
}
- }
}
-sub start_caparesponse {
- require Apache::caparesponse;
- import Apache::caparesponse;
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-# print "\n<br />\nsimple caparesponse\n";
- return &Apache::caparesponse::start_caparesponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+sub view_or_modify {
+ my ($symb,$courseid,$domain,$name) = &Apache::lonnet::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 ($myself) { return "V"; }
+ return '';
}
-sub start_stringresponse {
- require Apache::caparesponse;
- import Apache::caparesponse;
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- return &Apache::caparesponse::start_stringresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+sub start_dataresponse {
+ my ($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 $result;
}
-sub start_formularesponse {
- require Apache::caparesponse;
- import Apache::caparesponse;
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- return &Apache::caparesponse::start_formularesponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+sub end_dataresponse {
+ my ($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::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 $name = &Apache::lonxml::get_param('name',$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=&mt('Not Permitted to change values');
+ }
+ }
+ }
+ &Apache::response::end_response;
+ return $result;
}
-sub start_numericalresponse {
- require Apache::caparesponse;
- import Apache::caparesponse;
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- return &Apache::caparesponse::start_numericalresponse
- ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+sub start_customresponse {
+ my ($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,'50');
+ $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
+ } elsif ($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 $result;
}
-sub start_radiobuttonresponse {
- require Apache::radiobuttonresponse;
- import Apache::radiobuttonresponse;
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- return &Apache::radiobuttonresponse::start_radiobuttonresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+sub end_customresponse {
+ my ($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,$score) = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
+ if (!&Apache::inputtags::valid_award($award)) {
+ $error = $award;
+ $award = 'ERROR';
+ }
+ if (($award eq 'INCORRECT' || $award eq 'APPROX_ANS' ||
+ $award eq 'EXACT_ANS')) {
+ if ($Apache::lonhomework::type eq 'survey') {
+ $award='SUBMITTED';
+ } elsif ($Apache::lonhomework::type eq 'surveycred') {
+ $award='SUBMITTED_CREDIT';
+ } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
+ $award='ANONYMOUS';
+ } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
+ $award='ANONYMOUS_CREDIT';
+ }
+ }
+ &Apache::response::handle_previous(\%previous,$award);
+ $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
+ $award;
+ if ($award eq 'ASSIGNED_SCORE') {
+ $Apache::lonhomework::results{"resource.$part.$id.awarded"}=1.0*$score;
+ }
+ 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') {
+ $answer = '<b>'.$answer.'</b>';
+ }
+ $result .= &Apache::response::answer_part('customresponse',$answer);
+ $result .= &Apache::response::answer_footer('customresponse');
+ }
+ if ($target eq 'web') {
+ &setup_prior_tries_hash(\&format_prior_response_custom);
+ }
+ if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
+ $target eq 'tex' || $target eq 'analyze') {
+ 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();
+ }
+ }
+ 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 $result;
}
-sub start_optionresponse {
- require Apache::optionresponse;
- import Apache::optionresponse;
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- return &Apache::optionresponse::start_optionresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+sub format_prior_response_custom {
+ my ($mode,$answer) =@_;
+ if (ref($answer) eq 'ARRAY') {
+ $answer = '('.join(', ', @{ $answer }).')';
+ }
+ return '<span class="LC_prior_custom">'.
+ &HTML::Entities::encode($answer,'"<>&').'</span>';
}
-sub start_imageresponse {
- require Apache::imageresponse;
- import Apache::imageresponse;
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- return &Apache::imageresponse::start_imageresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+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,'50');
+ $result.=&Apache::edit::select_arg('Algebra System:',
+ 'cas',
+ ['maxima','R'],
+ $token);
+ $result.=&Apache::edit::text_arg('Argument Array:',
+ 'args',$token).
+ &Apache::loncommon::help_open_topic('Maxima_Argument_Array');
+ $result.=&Apache::edit::text_arg('Libraries:',
+ 'libraries',$token).
+ &Apache::loncommon::help_open_topic('Maxima_Libraries');
+ $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
+ } elsif ($target eq 'modified') {
+ my $constructtag;
+ $constructtag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,'answerdisplay','cas','args','libraries');
+ if ($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 $result;
}
-sub start_essayresponse {
- require Apache::essayresponse;
- import Apache::essayresponse;
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- return &Apache::essayresponse::start_essayresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+sub edit_mathresponse_button {
+ my ($id,$field)=@_;
+ my $btype = $env{'browser.type'};
+ my $bversion = $env{'browser.version'};
+ if (($btype eq 'explorer' && $bversion < 9) || ($btype eq 'safari' && $bversion < 3) ||
+ ($btype eq 'mozilla' && $bversion < 3)) {
+ # DragMath applet
+ my $button=&mt('Edit Answer');
+# my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
+ my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
+ return(<<ENDFORMULABUTTON);
+<script type="text/javascript" language="JavaScript">
+function edit_${id}_${field} (textarea) {
+ thenumber = textarea;
+ thedata = document.forms['lonhomework'].elements[textarea].value;
+ newwin = window.open("/adm/dragmath/MaximaPopup.html","","width=565,height=400,resizable");
+}
+</script>
+<a href="javascript:edit_${id}_${field}('${field}');void(0);"><img class="stift" src="$iconpath/stift.gif" alt="$button" title="$button" /></a>
+ENDFORMULABUTTON
+
+ } else {
+ # LON-CAPA math equation editor
+ return(<<EQ_EDITOR_SCRIPT);
+<script type="text/javascript">
+ var field = document.getElementById('${field}');
+ field.className += ' math'; // note the space
+ var LCMATH_started;
+ if (typeof LCMATH_started === 'undefined') {
+ LCMATH_started = true;
+ var script = document.createElement("script");
+ script.type = "text/javascript";
+ script.src = "/adm/LC_math_editor/LC_math_editor.min.js";
+ document.body.appendChild(script);
+ window.addEventListener('load', function(e) {
+ LCMATH.initEditors();
+ }, false);
+ }
+</script>
+EQ_EDITOR_SCRIPT
+ }
}
-sub start_externalresponse {
- require Apache::externalresponse;
- import Apache::externalresponse;
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- return &Apache::externalresponse::start_externalresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+sub end_mathresponse {
+ my ($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,
+ &Apache::lonxml::get_param('libraries',$parstack,$safeeval));
+ }
+ if ($cas eq 'R') {
+ my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
+ $award=&Apache::lonr::r_run($Apache::response::custom_answer[-1],$response,$args,
+ &Apache::lonxml::get_param('libraries',$parstack,$safeeval));
+ }
+
+ if (!&Apache::inputtags::valid_award($award)) {
+ $error = $award;
+ $award = 'ERROR';
+ }
+ if (($award eq 'INCORRECT' || $award eq 'APPROX_ANS' ||
+ $award eq 'EXACT_ANS')) {
+ if ($Apache::lonhomework::type eq 'survey') {
+ $award='SUBMITTED';
+ } elsif ($Apache::lonhomework::type eq 'surveycred') {
+ $award='SUBMITTED_CREDIT';
+ } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
+ $award='ANONYMOUS';
+ } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
+ $award='ANONYMOUS_CREDIT';
+ }
+ }
+ &Apache::response::handle_previous(\%previous,$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);
+ my $partid = $Apache::inputtags::part;
+ my $id = $Apache::inputtags::response[-1];
+ if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
+ && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
+ $result.=&edit_mathresponse_button($id,"HWVAL_$id");
+ }
+ }
+
+ 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 $result;
}
-sub view_or_modify {
- my ($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 ($myself) { return "V"; }
- return '';
+sub format_prior_response_math {
+ my ($mode,$answer) =@_;
+ return '<span class="LC_prior_math">'.
+ &HTML::Entities::encode($answer,'"<>&').'</span>';
+}
+
+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 $result;
}
-sub start_dataresponse {
- my ($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 $result;
+sub end_answer {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ if ($target eq 'edit' ) {
+ return &Apache::edit::end_table();
+ }
}
-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('datasubmission');
- 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 {
- $result='Not Permitted to change values.'
- }
+sub decide_package {
+ my ($tagstack)=@_;
+ my $package;
+ if ($$tagstack[-1] eq 'parameter') {
+ $package='part';
+ } else {
+ my $i=-1;
+ while (defined($$tagstack[$i])) {
+ if ($$tagstack[$i] =~ /(response|hint)$/) {
+ $package=$$tagstack[$i];
+ last;
+ }
+ $i--;
+ }
}
- }
- &Apache::response::end_response;
- return $result;
+ return $package;
}
sub start_responseparam {
- my ($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') {
- if ($ENV{'request.state'} eq 'construct') {
- my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
- my $default = &Apache::lonxml::get_param('default',$parstack,$safeeval);
- $Apache::inputtags::params{$name}=$default;
+ my ($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);
+ my $optionlist;
+ my $package=&decide_package($tagstack);
+ foreach my $key (sort(keys(%Apache::lonnet::packagetab))) {
+ if ($key =~ /^\Q$package\E&(.*)&display$/) {
+ $optionlist.='<option value="'.$1.'">'.
+ $Apache::lonnet::packagetab{$key}.'</option>';
+ }
+ }
+ if (defined($optionlist)) {
+ $result.=&mt('Use template:').' <select name="'.
+ &Apache::edit::html_element_name('parameter_package').'">'.
+ '<option value=""></option>'.$optionlist.'</select><br />';
+ }
+ $result.=&Apache::edit::text_arg('Name:','name',$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');
+ my $element=&Apache::edit::html_element_name('parameter_package');
+ if (defined($env{"form.$element"}) && $env{"form.$element"} ne '') {
+ my $name=$env{"form.$element"};
+ my $tag=&decide_package($tagstack);
+ $token->[2]->{'name'}=$name;
+ $token->[2]->{'type'}=
+ $Apache::lonnet::packagetab{"$tag&$name&type"};
+ $token->[2]->{'description'}=
+ $Apache::lonnet::packagetab{"$tag&$name&display"};
+ $token->[2]->{'default'}=
+ $Apache::lonnet::packagetab{"$tag&$name&default"};
+ $token->[3] = ['name','type','description','default'];
+ $constructtag=1;
+ }
+ if ($constructtag) {
+ $result = &Apache::edit::rebuild_tag($token);
+ }
+ } 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;
+ return $result;
}
sub end_responseparam {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
- if ($target eq 'edit') { return ('','no'); }
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ if ($target eq 'edit') { return ('','no'); }
+ return '';
}
sub start_parameter {
- my $result = &start_responseparam(@_);
- return $result;
+ return &start_responseparam(@_);
}
sub end_parameter {
- my $result = &end_responseparam(@_);
- return $result;
+ return &end_responseparam(@_);
+}
+
+sub reset_params {
+ %Apache::inputtags::params=();
}
sub setup_params {
- my ($tag) = @_;
+ my ($tag,$safeeval) = @_;
- if ($ENV{'request.state'} eq 'construct') { return; }
- @Apache::inputtags::params=();
- my %paramlist=();
- foreach my $key (keys(%Apache::lonnet::packagetab)) {
- if ($key =~ /^$tag/) {
- my ($package,$name) = split(/&/,$key);
- $paramlist{$name}=1;
+ if ($env{'request.state'} eq 'construct') { return; }
+ my %paramlist=();
+ foreach my $key (keys(%Apache::lonnet::packagetab)) {
+ if ($key =~ /^\Q$tag\E/) {
+ my ($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];
+ 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 {
+ my $string="{return qq\0".$value."\0}";
+ my $newvalue=&Apache::run::run($string,$safeeval,1);
+ if (defined($newvalue)) { $value=$newvalue; }
+ $Apache::inputtags::params{$key}=$value;
+ }
}
- $entry.='.'.$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}='';
+}
+
+{
+ 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 {
+ $bit .= ' '.&mt('Answer for Part: [_1]',
+ '\verb|'.$Apache::inputtags::part.'|').' ';
+ }
+ push(@answer_bits,$bit);
} else {
- &Apache::lonxml::debug("using value");
- $Apache::inputtags::params{$key}=$value;
+ 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>';
+ } else {
+ $result .= $td.&mt('Answer for Part: [_1]',
+ $Apache::inputtags::part).'</td>';
+ }
+ $result .= "\n";
+ $need_row_start = 0;
}
- }
+ return $result;
}
-sub answer_header {
- my ($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 $result;
+sub next_answer {
+ my ($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 $result;
- if ($type eq 'optionresponse' || $type eq 'radiobuttonresponse') {
- $result = '<td>'.$answer.'</td>';
- } else {
- $result = '<td>'.$answer.'</td>';
- }
- return $result;
+ my ($type,$answer,$args) = @_;
+ my $result;
+ if ($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;
+ }
+ }
+ my $fullanswer=$answer;
+ $answer='';
+ foreach my $element (split(/[\;]/,$fullanswer)) {
+ if ($element ne '') {
+ $answer.= '\verb'.$to_use.$element.$to_use.' \newline';
+ }
+ }
+ }
+ if ($answer ne '') {
+ push(@answer_bits,$answer);
+ }
+ } else {
+ if ($need_row_start) {
+ $result .= '<tr>';
+ $need_row_start = 0;
+ }
+ $result .= '<td>'.$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 $result;
+ my ($type) = @_;
+ my $result;
+ if ($env{'form.answer_output_mode'} eq 'tex') {
+ $result = ' \vskip 0 mm \noindent \begin{tabular}{|p{1.5cm}|p{6.8cm}|}\hline ';
+ $result .= $answer_bits[0].'&\vspace*{-4mm}\begin{itemize}';
+ for (my $i=1;$i<=$#answer_bits;$i++) {
+ $result.='\item '.$answer_bits[$i].'\vspace*{-7mm}';
+ }
+ $result .= ' \end{itemize} \\\\ \hline \end{tabular} \vskip 0 mm ';
+ } else {
+ if (!$need_row_start) {
+ $result .= '</tr>';
+ }
+ $result .= '</table>';
+ }
+ return $result;
+}
+
+}
+
+sub showallfoils {
+ if (defined($env{'form.showallfoils'})) {
+ my ($symb)=&Apache::lonnet::whichuser();
+ if (($env{'request.state'} eq 'construct') ||
+ ($env{'user.adv'} && $symb eq '') ||
+ ($Apache::lonhomework::viewgrades) ) {
+ return 1;
+ }
+ }
+ if ($Apache::lonhomework::type eq 'survey') { return 1; }
+ if ($Apache::lonhomework::type eq 'surveycred') { return 1; }
+ if ($Apache::lonhomework::type eq 'anonsurvey') { return 1; }
+ if ($Apache::lonhomework::type eq 'anonsurveycred') { return 1; }
+
+ return 0;
+}
+
+=pod
+
+=item &getresponse();
+
+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.
+ $bubbles_per_line - Must be provided if lines is defined.. number of
+ bubbles on a line.
+
+=cut
+
+sub getresponse {
+ my ($offset,$resulttype, $lines, $bubbles_per_line)=@_;
+ my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
+ my $response;
+ if (!defined($offset)) {
+ $offset=1;
+ } else {
+ $formparm.=":$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') {
+ my $part = $Apache::inputtags::part;
+ my $id = $Apache::inputtags::response[-1];
+
+ my $line;
+ my $startline = $env{'form.scantron_questnum_start.'.$part.'.'.$id};
+ if (!$startline) {
+ $startline = $Apache::lonxml::counter;
+ }
+ for ($line = 0; $line < $lines; $line++) {
+ my $theline = $startline+$offset-1+$line;
+ $response = $env{"scantron.$theline.answer"};
+ if ((defined($response)) && ($response ne "") && ($response ne " ")) {
+ last;
+ }
+
+ }
+
+ # save bubbled letter for later
+ $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
+ $response;
+ if ($resulttype ne 'letter') {
+ $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);
+ }
+ }
+
+ } else {
+ $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();
+
+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
+
+sub repetition {
+ my $id = $Apache::inputtags::part;
+ my $weight = &Apache::lonnet::EXT("resource.$id.weight");
+ if (!defined($weight) || ($weight eq '')) { $weight=1; }
+ 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 $repetition;
+
+}
+
+=pod
+
+=item &scored_response();
+
+Sets the results hash elements
+
+ resource.$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 $bubbles_per_row;
+ if (($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.
+ my $increase=&Apache::response::getresponse($i+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; }
+ my $pcr=$score/$weight;
+ $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr;
+ $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
+ 'ASSIGNED_SCORE';
+ return $repetition;
+}
+
+sub whichorder {
+ my ($max,$randomize,$showall,$hash,$rndseed)=@_;
+ #&Apache::lonxml::debug("man $max randomize $randomize");
+ my @names;
+ if (ref($hash->{'names'}) eq 'ARRAY') {
+ @names = @{$hash->{'names'}};
+ }
+ return if (!@names);
+ my @whichopt =();
+ my (%top,@toplist,%bottom,@bottomlist);
+ if (!($showall || ($randomize eq 'no'))) {
+ my $current=0;
+ foreach my $name (@names) {
+ $current++;
+ if ($$hash{"$name.location"} eq 'top') {
+ $top{$name}=$current;
+ } elsif ($$hash{"$name.location"} eq 'bottom') {
+ $bottom{$name}=$current;
+ }
+ }
+ }
+ my $topcount=0;
+ my $bottomcount=0;
+ while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall)
+ && ($#names > -1)) {
+ #&Apache::lonxml::debug("Have $#whichopt max is $max");
+ my $aopt;
+ if ($showall || ($randomize eq 'no')) {
+ $aopt=0;
+ } else {
+ $aopt=int(&Math::Random::random_uniform() * ($#names+1));
+ }
+ #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
+ $aopt=splice(@names,$aopt,1);
+ #&Apache::lonxml::debug("Picked $aopt");
+ if ($top{$aopt}) {
+ $toplist[$top{$aopt}]=$aopt;
+ $topcount++;
+ } elsif ($bottom{$aopt}) {
+ $bottomlist[$bottom{$aopt}]=$aopt;
+ $bottomcount++;
+ } else {
+ push (@whichopt,$aopt);
+ }
+ }
+ for (my $i=0;$i<=$#toplist;$i++) {
+ if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
+ }
+ 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];
+ 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())
+ || $status eq "SHOW_ANSWER");
+}
+
+sub analyze_store_foilgroup {
+ my ($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"} }, @{ $shown });
+}
+
+sub check_if_computed {
+ my ($token,$parstack,$safeeval,$name)=@_;
+ my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval);
+ if (ref($token->[2]) eq 'HASH' && $value ne $token->[2]{$name}) {
+ my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
+ $Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1;
+ }
+}
+
+sub pick_foil_for_concept {
+ my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_;
+ my @names;
+ if (ref($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;
+ 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'};
+
+}
+
+=pod
+
+=item get_response_param()
+
+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
+ $default - Default value for the paramter.
+
+=cut
+
+sub get_response_param {
+ my ($id,$name,$default)=@_;
+ my $parameter;
+ if ($env{'request.state'} eq 'construct' &&
+ defined($Apache::inputtags::params{$name})) {
+ $parameter=$Apache::inputtags::params{$name};
+ } else {
+ $parameter=&Apache::lonnet::EXT("resource.$id.$name");
+ }
+ if (!defined($parameter) || $parameter eq '') {
+ $parameter = $default;
+ }
+ 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 occurred
+ 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 $result");
+ }
+}
+
+=pod
+
+=item check_status()
+
+basically undef and 0 (both false) mean that they still have work to do
+and all true values mean that they can't do any more work
+
+ a return of undef means it is unattempted
+ a return of 0 means it is attmpted and wrong but still has tries
+ a return of 1 means it is marked correct
+ a return of 2 means they have exceed maximum number of tries
+ a return of 3 means it after the answer date
+
+=cut
+
+sub check_status {
+ my ($id)=@_;
+ if (!defined($id)) { $id=$Apache::inputtags::part; }
+ my $curtime=&Apache::lonnet::EXT('system.time');
+ my $opendate=&Apache::lonnet::EXT("resource.$id.opendate");
+ my $duedate=&Apache::lonhomework::due_date($id);
+ 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()
+
+ 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
+
+ $questiontype is the questiontype (currently only passed in if
+ randomizebytry.
+
+=cut
+
+sub setup_prior_tries_hash {
+ my ($func,$data,$questiontype) = @_;
+ my $part = $Apache::inputtags::part;
+ my $id = $Apache::inputtags::response[-1];
+ foreach my $i (1..$Apache::lonhomework::history{'version'}) {
+ my $partprefix = "$i:resource.$part";
+ my $sub_key = "$partprefix.$id.submission";
+ next if (!exists($Apache::lonhomework::history{$sub_key}));
+ my $type_key = "$partprefix.type";
+ my $type = $Apache::lonhomework::history{$type_key};
+ my @other_data;
+ if (ref($data) eq 'ARRAY') {
+ 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{$info_key});
+ }
+ }
+ }
+ if ($questiontype eq 'randomizetry') {
+ my $order_key = "$partprefix.$id.foilorder";
+ my @whichopts = &Apache::lonnet::str2array($Apache::lonhomework::history{$order_key});
+ if (@whichopts > 0) {
+ shift(@other_data);
+ unshift(@other_data,\@whichopts);
+ }
+ }
+ my $output =
+ &$func('grade',
+ $Apache::lonhomework::history{$sub_key},
+ \@other_data);
+ if (defined($output)) {
+ $Apache::inputtags::submission_display{$sub_key} = $output;
+ }
+ }
}
1;
__END__
+=pod
+
+=cut