loncom/homework/response.pm - diff

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Diff for /loncom/homework/response.pm between versions 1.207 and 1.232

version 1.207, 2008/11/24 16:53:26	version 1.232, 2012/12/18 18:26:41
Line 26	Line 26
# http://www.lon-capa.org/	# http://www.lon-capa.org/
#	#

	=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;	package Apache::response;
use strict;	use strict;
use Apache::lonlocal;	use Apache::lonlocal;
use Apache::lonnet;	use Apache::lonnet;
	use Apache::inputtags();
use Apache::lonmaxima();	use Apache::lonmaxima();
	use Apache::lonr();

BEGIN {	BEGIN {
&Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse'));	&Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse'));
Line 112 sub poprandomnumber {	Line 137 sub poprandomnumber {
}	}

sub setrandomnumber {	sub setrandomnumber {
my ($ignore_id2) = @_;	my ($ignore_id2,$target,$rndseed) = @_;
my $rndseed;	if (!defined($rndseed)) {
$rndseed=&Apache::structuretags::setup_rndseed();	$rndseed=&Apache::structuretags::setup_rndseed(undef,$target);
	}
if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }	if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }
&Apache::lonxml::debug("randseed $rndseed");	&Apache::lonxml::debug("randseed $rndseed");
# $rndseed=unpack("%32i",$rndseed);	# $rndseed=unpack("%32i",$rndseed);
Line 154 sub setrandomnumber {	Line 180 sub setrandomnumber {
} else {	} else {
($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2");	($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2");
}	}
	$Apache::lonhomework::results{'resource.'.$id1.'.rawrndseed'}=$rndseed;
if ($rndseed =~/([,:])/) {	if ($rndseed =~/([,:])/) {
my $char=$1;	my $char=$1;
use integer;	use integer;
Line 171 sub setrandomnumber {	Line 197 sub setrandomnumber {
}	}
}	}
&Apache::lonxml::debug("randseed $rndmod $rndseed");	&Apache::lonxml::debug("randseed $rndmod $rndseed");
	$Apache::lonhomework::results{'resource.'.$id1.'.rndseed'}=$rndseed;
&Apache::lonnet::setup_random_from_rndseed($rndseed);	&Apache::lonnet::setup_random_from_rndseed($rndseed);
return '';	return '';
}	}
Line 216 sub meta_stores_write {	Line 243 sub meta_stores_write {
"></stores>\n";	"></stores>\n";
}	}

sub mandatory_part_meta {
=pod	=pod

=item meta_part_order	=item mandatory_part_meta()

Autogenerate metadata for mandatory	Autogenerate metadata for mandatory
input (from RAT or lonparmset) and	input (from RAT or lonparmset) and
output (to lonspreadsheet)	output (to lonspreadsheet)
of each part	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'	Note: responseid-specific data 'submission' and 'awarddetail'
not available to spreadsheet -> skip here	not available to spreadsheet -> skip here

=cut	=cut


	sub mandatory_part_meta {
	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 {	sub meta_part_order {
Line 270 sub meta_response_order {	Line 283 sub meta_response_order {
}	}

sub check_for_previous {	sub check_for_previous {
my ($curresponse,$partid,$id,$last) = @_;	my ($curresponse,$partid,$id,$last,$type) = @_;
my %previous;	my %previous;
$previous{'used'} = 0;	$previous{'used'} = 0;
	my $questiontype = $Apache::lonhomework::type;
	my $curr_rndseed = $env{'form.'.$partid.'.rndseed'};
foreach my $key (sort(keys(%Apache::lonhomework::history))) {	foreach my $key (sort(keys(%Apache::lonhomework::history))) {
if ($key =~ /resource\.$partid\.$id\.submission$/) {	if ($key =~ /resource\.\Q$partid\E\.\Q$id\E\.submission$/) {
if ( $last && $key =~ /^(\d+):/ ) {	if ( $last && $key =~ /^(\d+):/ ) {
next if ($1 >= $last);	next if ($1 >= $last);
}	}
&Apache::lonxml::debug("Trying $key");	&Apache::lonxml::debug("Trying $key");
my $pastresponse=$Apache::lonhomework::history{$key};	my $pastresponse=$Apache::lonhomework::history{$key};
if ($pastresponse eq $curresponse) {	if ($pastresponse eq $curresponse) {
$previous{'used'} = 1;
my $history;	my $history;
if ( $key =~ /^(\d+):/ ) {	if ( $key =~ /^(\d+):/ ) {
$history=$1;	$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{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
$previous{'last'}='0';	$previous{'last'}='0';
push(@{ $previous{'version'} },$history);	push(@{ $previous{'version'} },$history);
} else {	} 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{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
$previous{'last'}='1';	$previous{'last'}='1';
}	}
	$previous{'used'} = 1;
if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }	if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
	if ($previous{'award'} eq 'INTERNAL_ERROR') { $previous{'used'}=0; }
&Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");	&Apache::lonxml::debug("got a match :$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;
	}
	}
	}
}	}
}	}
&Apache::lonhomework::showhash(%previous);	&Apache::lonhomework::showhash(%previous);
Line 307 sub handle_previous {	Line 340 sub handle_previous {
if ($$previous{'last'}) {	if ($$previous{'last'}) {
push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');	push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
push(@Apache::inputtags::previous_version,$$previous{'version'});	push(@Apache::inputtags::previous_version,$$previous{'version'});
} elsif ($Apache::lonhomework::type ne 'survey') {	} elsif (($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,'PREVIOUSLY_USED');
push(@Apache::inputtags::previous_version,$$previous{'version'});	push(@Apache::inputtags::previous_version,$$previous{'version'});
}	}
Line 388 sub start_customresponse {	Line 424 sub start_customresponse {
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);	$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('String to display for answer:',	$result.=&Apache::edit::text_arg('String to display for answer:',
'answerdisplay',$token);	'answerdisplay',$token,'50');
$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
my $constructtag;	my $constructtag;
Line 428 sub end_customresponse {	Line 464 sub end_customresponse {
${$safeeval->varglob('LONCAPA::customresponse_submission')}=	${$safeeval->varglob('LONCAPA::customresponse_submission')}=
$response;	$response;

my $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);	my ($award,$score) = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
if (!&Apache::inputtags::valid_award($award)) {	if (!&Apache::inputtags::valid_award($award)) {
$error = $award;	$error = $award;
$award = 'ERROR';	$award = 'ERROR';
Line 436 sub end_customresponse {	Line 472 sub end_customresponse {
&Apache::response::handle_previous(\%previous,$award);	&Apache::response::handle_previous(\%previous,$award);
$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=	$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
$award;	$award;
	if ($award eq 'ASSIGNED_SCORE') {
	$Apache::lonhomework::results{"resource.$part.$id.awarded"}=1.0*$score;
	}
if ($error) {	if ($error) {
$Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=	$Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=
$error;	$error;
Line 452 sub end_customresponse {	Line 491 sub end_customresponse {
$result .= &Apache::response::answer_footer('customresponse');	$result .= &Apache::response::answer_footer('customresponse');
}	}
if ($target eq 'web') {	if ($target eq 'web') {
&setup_prior_tries_hash(\&format_prior_response_math);	&setup_prior_tries_hash(\&format_prior_response_custom);
}	}
if ($target eq 'grade' \|\| $target eq 'web' \|\| $target eq 'answer' \|\|	if ($target eq 'grade' \|\| $target eq 'web' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze') {
&Apache::lonxml::increment_counter(&Apache::response::repetition(),	my $repetition = &repetition();
"$part.$id");	&Apache::lonxml::increment_counter($repetition,"$part.$id");
if ($target eq 'analyze') {	if ($target eq 'analyze') {
$Apache::lonhomework::analyze{"$part.$id.type"} = 'customresponse';	$Apache::lonhomework::analyze{"$part.$id.type"} = 'customresponse';
&Apache::lonhomework::set_bubble_lines();	&Apache::lonhomework::set_bubble_lines();
Line 473 sub end_customresponse {	Line 512 sub end_customresponse {

sub format_prior_response_custom {	sub format_prior_response_custom {
my ($mode,$answer) =@_;	my ($mode,$answer) =@_;
	if (ref($answer) eq 'ARRAY') {
	$answer = '('.join(', ', @{ $answer }).')';
	}
return '<span class="LC_prior_custom">'.	return '<span class="LC_prior_custom">'.
&HTML::Entities::encode($answer,'"<>&').'</span>';	&HTML::Entities::encode($answer,'"<>&').'</span>';
}	}
Line 495 sub start_mathresponse {	Line 537 sub start_mathresponse {
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);	$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('String to display for answer:',	$result.=&Apache::edit::text_arg('String to display for answer:',
'answerdisplay',$token);	'answerdisplay',$token,'50');
$result.=&Apache::edit::select_arg('Algebra System:',	$result.=&Apache::edit::select_arg('Algebra System:',
'cas',	'cas',
['maxima'],	['maxima','R'],
$token);	$token);
$result.=&Apache::edit::text_arg('Argument Array:',	$result.=&Apache::edit::text_arg('Argument Array:',
'args',$token).	'args',$token).
Line 528 sub edit_mathresponse_button {	Line 570 sub edit_mathresponse_button {
# my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');	# my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};	my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
return(<<ENDFORMULABUTTON);	return(<<ENDFORMULABUTTON);
<script language="JavaScript">	<script type="text/javascript" language="JavaScript">
function edit_${id}_${field} (textarea) {	function edit_${id}_${field} (textarea) {
thenumber = textarea;	thenumber = textarea;
thedata = document.forms['lonhomework'].elements[textarea].value;	thedata = document.forms['lonhomework'].elements[textarea].value;
newwin = window.open("/adm/dragmath/applet/MaximaPopup.html","","width=565,height=400,resizable");	newwin = window.open("/adm/dragmath/applet/MaximaPopup.html","","width=565,height=400,resizable");
}	}
</script>	</script>
<a href="javascript:edit_${id}_${field}('${field}');void(0);"><img class="stift" src='$iconpath/stift.gif' alt='$button' title='$button'/></a>	<a href="javascript:edit_${id}_${field}('${field}');void(0);"><img class="stift" src="$iconpath/stift.gif" alt="$button" title="$button" /></a>
ENDFORMULABUTTON	ENDFORMULABUTTON
}	}

Line 562 sub end_mathresponse {	Line 604 sub end_mathresponse {
$award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args,	$award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args,
&Apache::lonxml::get_param('libraries',$parstack,$safeeval));	&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($award)) {	if (!&Apache::inputtags::valid_award($award)) {
$error = $award;	$error = $award;
$award = 'ERROR';	$award = 'ERROR';
Line 887 sub showallfoils {	Line 935 sub showallfoils {
}	}
}	}
if ($Apache::lonhomework::type eq 'survey') { 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;	return 0;
}	}

=pod	=pod

=item &getresponse($offset,$resulttype);	=item &getresponse();

Retreives the current submitted response, helps out in the case of	Retreives the current submitted response, helps out in the case of
scantron mode.	scantron mode.
Line 938 sub getresponse {	Line 990 sub getresponse {
my $id = $Apache::inputtags::response[-1];	my $id = $Apache::inputtags::response[-1];

my $line;	my $line;
	my $startline = $env{'form.scantron_questnum_start.'.$part.'.'.$id};
	if (!$startline) {
	$startline = $Apache::lonxml::counter;
	}
for ($line = 0; $line < $lines; $line++) {	for ($line = 0; $line < $lines; $line++) {
my $theline = $Apache::lonxml::counter+$offset-1+$line;	my $theline = $startline+$offset-1+$line;
$response = $env{"scantron.$theline.answer"};	$response = $env{"scantron.$theline.answer"};
if ((defined($response)) && ($response ne "") && ($response ne " ")) {	if ((defined($response)) && ($response ne "") && ($response ne " ")) {
last;	last;
}	}

}	}

# save bubbled letter for later	# save bubbled letter for later
$Apache::lonhomework::results{"resource.$part.$id.scantron"}.=	$Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
$response;	$response;
if ($resulttype ne 'letter') {	if ($resulttype ne 'letter') {
if ($resulttype eq 'A is 1') {	$response = $let_to_num{$response};
$response = $let_to_num{$response}+1;	if ($resulttype eq 'A is 1') {
} else {	if ($response ne "") {
$response = $let_to_num{$response};	$response = $response+1;
	}
}	}
if ($response ne "") {	if ($response ne "") {
$response += $line * $bubbles_per_line;	$response += $line * $bubbles_per_line;
}	}
} else {	} else {
if ($response ne "") {	if ($response ne "") {
	my $raw = $response;
$response = chr(ord($response) + $line * $bubbles_per_line);	$response = chr(ord($response) + $line * $bubbles_per_line);
}	}
}	}
Line 980 sub getresponse {	Line 1038 sub getresponse {

=item &repetition();	=item &repetition();

Returns the number of lines that are required to encode the weight.	In scalar context:
(Currently expects that there are 10 bubbles per line)
	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	=cut

Line 989 sub repetition {	Line 1056 sub repetition {
my $id = $Apache::inputtags::part;	my $id = $Apache::inputtags::part;
my $weight = &Apache::lonnet::EXT("resource.$id.weight");	my $weight = &Apache::lonnet::EXT("resource.$id.weight");
if (!defined($weight) \|\| ($weight eq '')) { $weight=1; }	if (!defined($weight) \|\| ($weight eq '')) { $weight=1; }
my $repetition = int($weight/10);	my $bubbles_per_row;
if ($weight % 10 != 0) { $repetition++; }	if (($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;	return $repetition;

}	}

=pod	=pod

=item &scored_response($part_id,$response_id);	=item &scored_response();

Sets the results hash elements	Sets the results hash elements

Line 1021 Arguments	Line 1104 Arguments
sub scored_response {	sub scored_response {
my ($part,$id)=@_;	my ($part,$id)=@_;
my $repetition=&repetition();	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;	my $score=0;
for (my $i=0;$i<$repetition;$i++) {	for (my $i=0;$i<$repetition;$i++) {
# A is 1, B is 2, etc. (get response return 0-9 and then we add 1)	# A is 1, B is 2, etc.
my $increase=&Apache::response::getresponse($i+1);	my $increase=&Apache::response::getresponse($i+1);
if ($increase ne '') { $score+=$increase+1; }	unless (($increase == $bubbles_per_row-1) &&
	($env{'form.scantron_lastbubblepoints'} == 0)) {
	# (get response return 0-9 and then we add 1)
	if ($increase ne '') {
	$score+=$increase+1;
	}
	}
}	}
my $weight = &Apache::lonnet::EXT("resource.$part.weight");	my $weight = &Apache::lonnet::EXT("resource.$part.weight");
if (!defined($weight) \|\| $weight eq '' \|\| $weight eq 0) { $weight = 1; }	if (!defined($weight) \|\| $weight eq '' \|\| $weight eq 0) { $weight = 1; }
Line 1037 sub scored_response {	Line 1133 sub scored_response {
}	}

sub whichorder {	sub whichorder {
my ($max,$randomize,$showall,$hash)=@_;	my ($max,$randomize,$showall,$hash,$rndseed)=@_;
#&Apache::lonxml::debug("man $max randomize $randomize");	#&Apache::lonxml::debug("man $max randomize $randomize");
if (!defined(@{ $$hash{'names'} })) { return; }	my @names;
my @names = @{ $$hash{'names'} };	if (ref($hash->{'names'}) eq 'ARRAY') {
	@names = @{$hash->{'names'}};
	}
	return if (!@names);
my @whichopt =();	my @whichopt =();
my (%top,@toplist,%bottom,@bottomlist);	my (%top,@toplist,%bottom,@bottomlist);
if (!($showall \|\| ($randomize eq 'no'))) {	if (!($showall \|\| ($randomize eq 'no'))) {
Line 1091 sub show_answer {	Line 1190 sub show_answer {
my $part = $Apache::inputtags::part;	my $part = $Apache::inputtags::part;
my $award = $Apache::lonhomework::history{"resource.$part.solved"};	my $award = $Apache::lonhomework::history{"resource.$part.solved"};
my $status = $Apache::inputtags::status[-1];	my $status = $Apache::inputtags::status[-1];
return ( ($award =~ /^correct/	my $canshow = 0;
&& &Apache::lonhomework::show_problem_status())	if ($award =~ /^correct/) {
\|\| $status eq "SHOW_ANSWER");	if (($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 {	sub analyze_store_foilgroup {
Line 1121 sub check_if_computed {	Line 1226 sub check_if_computed {

sub pick_foil_for_concept {	sub pick_foil_for_concept {
my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_;	my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_;
if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; }	my @names;
my @names = @{ $Apache::response::conceptgroup{'names'} };	if (ref($Apache::response::conceptgroup{'names'}) eq 'ARRAY') {
	@names = @{ $Apache::response::conceptgroup{'names'} };
	}
	return if (!@names);
my $pick=int(&Math::Random::random_uniform() * ($#names+1));	my $pick=int(&Math::Random::random_uniform() * ($#names+1));
my $name=$names[$pick];	my $name=$names[$pick];
push @{ $Apache::response::foilgroup{'names'} }, $name;	push @{ $Apache::response::foilgroup{'names'} }, $name;
Line 1153 sub pick_foil_for_concept {	Line 1261 sub pick_foil_for_concept {
$Apache::response::conceptgroup{'names'};	$Apache::response::conceptgroup{'names'};

}	}
#------------------------------------------------------------
#	=pod
# Get a parameter associated with a problem.
# Parameters:	=item get_response_param()
# $id - the id of the paramater, either a part id,
# or a partid and responspe id joined by _	Get a parameter associated with a problem.
# $name - Name of the parameter to fetch	Parameters:
# $default - Default value for the paramter.	$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 {	sub get_response_param {
my ($id,$name,$default)=@_;	my ($id,$name,$default)=@_;
my $parameter;	my $parameter;
Line 1224 sub add_to_gradingqueue {	Line 1335 sub add_to_gradingqueue {
}	}
}	}

# basically undef and 0 (both false) mean that they still have work to do	=pod
# and all true values mean that they can't do any more work
#	=item check_status()
# a return of undef means it is unattempted
# a return of 0 means it is attmpted and wrong but still has tries	basically undef and 0 (both false) mean that they still have work to do
# a return of 1 means it is marked correct	and all true values mean that they can't do any more work
# a return of 2 means they have exceed maximum number of tries
# a return of 3 means it after the answer date	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 {	sub check_status {
my ($id)=@_;	my ($id)=@_;
if (!defined($id)) { $id=$Apache::inputtags::part; }	if (!defined($id)) { $id=$Apache::inputtags::part; }
Line 1256 sub check_status {	Line 1374 sub check_status {

=pod	=pod

=item setup_prior_tries_hash($func,$data)	=item setup_prior_tries_hash()

Foreach each past .submission $func is called with 3 arguments	Foreach each past .submission $func is called with 3 arguments
- the mode to set things up for (currently always 'grade')	- the mode to set things up for (currently always 'grade')
Line 1267 sub check_status {	Line 1385 sub check_status {
- scalars that are other elements of the history hash to pass to $func	- scalars that are other elements of the history hash to pass to $func
- ref to data to be passed untouched to $func	- ref to data to be passed untouched to $func

	$questiontype is the questiontype (currently only passed in if
	randomizebytry.

=cut	=cut

sub setup_prior_tries_hash {	sub setup_prior_tries_hash {
my ($func,$data) = @_;	my ($func,$data,$questiontype) = @_;
my $part = $Apache::inputtags::part;	my $part = $Apache::inputtags::part;
my $id = $Apache::inputtags::response[-1];	my $id = $Apache::inputtags::response[-1];
foreach my $i (1..$Apache::lonhomework::history{'version'}) {	foreach my $i (1..$Apache::lonhomework::history{'version'}) {
my $sub_key = "$i:resource.$part.$id.submission";	my $partprefix = "$i:resource.$part";
	my $sub_key = "$partprefix.$id.submission";
next if (!exists($Apache::lonhomework::history{$sub_key}));	next if (!exists($Apache::lonhomework::history{$sub_key}));
	my $type_key = "$partprefix.type";
	my $type = $Apache::lonhomework::history{$type_key};
my @other_data;	my @other_data;
foreach my $datum (@{ $data }) {	if (ref($data) eq 'ARRAY') {
if (ref($datum)) {	foreach my $datum (@{ $data }) {
push(@other_data,$datum);	if (ref($datum)) {
} else {	push(@other_data,$datum);
my $info_key = "$i:resource.$part.$id.$datum";	} else {
push(@other_data,$Apache::lonhomework::history{$info_key});	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 =	my $output =
&$func('grade',	&$func('grade',
$Apache::lonhomework::history{$sub_key},	$Apache::lonhomework::history{$sub_key},
Line 1299 sub setup_prior_tries_hash {	Line 1432 sub setup_prior_tries_hash {
1;	1;
__END__	__END__

	=pod

	=cut

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.207
changed lines
	Added in v.1.232