loncom/interface/statistics/lonstudentsubmissions.pm - diff

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Diff for /loncom/interface/statistics/lonstudentsubmissions.pm between versions 1.33 and 1.61

version 1.33, 2005/02/03 00:25:01	version 1.61, 2010/08/24 14:05:19
Line 27	Line 27
package Apache::lonstudentsubmissions;	package Apache::lonstudentsubmissions;

use strict;	use strict;
use Apache::lonnet();	use Apache::lonnet;
use Apache::loncommon();	use Apache::loncommon();
use Apache::lonhtmlcommon();	use Apache::lonhtmlcommon();
use Apache::loncoursedata();	use Apache::loncoursedata();
Line 37 use Apache::lonstathelpers;	Line 37 use Apache::lonstathelpers;
use HTML::Entities();	use HTML::Entities();
use Time::Local();	use Time::Local();
use Spreadsheet::WriteExcel();	use Spreadsheet::WriteExcel();
	use lib '/home/httpd/lib/perl/';
	use LONCAPA;


my @SubmitButtons = ({ name => 'SelectAnother',	my @SubmitButtons = ({ name => 'SelectAnother',
text => 'Choose a different Problem' },	text => 'Choose a different Problem' },
Line 63 sub BuildStudentSubmissionsPage {	Line 66 sub BuildStudentSubmissionsPage {
my @Students = @Apache::lonstatistics::Students;	my @Students = @Apache::lonstatistics::Students;
#	#
if (@Students < 1) {	if (@Students < 1) {
$r->print('<h2>There are no students in the sections selected</h2>');	$r->print('<div class="LC_warning">'
	.&mt('There are no students in the sections selected.')
	.'</div>');
}	}
#	#
my @CacheButtonHTML =	my @CacheButtonHTML =
&Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status',	&Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status',
'<h3>'.&mt('Loading student data').'</h3>');	'<div class="LC_info">'.&mt('Loading student data...').'</div>');
$r->rflush();	$r->rflush();
#	#
if (exists($ENV{'form.problemchoice'}) &&	my %anoncounter =
! exists($ENV{'form.SelectAnother'})) {	&Apache::lonnet::dump('nohist_anonsurveys',
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'});
	if (exists($env{'form.problemchoice'}) &&
	! exists($env{'form.SelectAnother'})) {
foreach my $button (@SubmitButtons) {	foreach my $button (@SubmitButtons) {
if ($button->{'name'} eq 'break') {	if ($button->{'name'} eq 'break') {
$r->print("<br />\n");	$r->print("<br />\n");
Line 92 sub BuildStudentSubmissionsPage {	Line 101 sub BuildStudentSubmissionsPage {
# Determine which problems we are to analyze	# Determine which problems we are to analyze
my @Symbs =	my @Symbs =
&Apache::lonstathelpers::get_selected_symbs('problemchoice');	&Apache::lonstathelpers::get_selected_symbs('problemchoice');
foreach my $selected (@Symbs) {
$r->print('<input type="hidden" name="problemchoice" value="'.	# If there are multi-part problems with anonymous survey and named
$selected.'" />'.$/);	# parts check if named was picked for display.
	#
	my %mixed_named;
	foreach my $envkey (%env) {
	if ($envkey =~ /^form\.mixed_(\d+:\d+)$/) {
	my $item = $1;
	if ($env{$envkey} =~ /^symb_(.+)$/) {
	my $symb = &unescape($1);
	if (ref($mixed_named{$symb}) eq 'ARRAY') {
	push(@{$mixed_named{$symb}},$item);
	} else {
	@{$mixed_named{$symb}} = ($item);
	}
	}
	}
}	}
#	#
# Get resource objects	# Get resource objects
my $navmap = Apache::lonnavmaps::navmap->new();	my $navmap = Apache::lonnavmaps::navmap->new();
if (!defined($navmap)) {	if (!defined($navmap)) {
$r->print('<h1>'.&mt("Internal error").'</h1>');	foreach my $selected (@Symbs) {
	$r->print('<input type="hidden" name="problemchoice" value="'.
	&escape($selected).'" />'.$/);
	if (ref($mixed_named{$selected}) eq 'ARRAY') {
	foreach my $item (@{$mixed_named{$selected}}) {
	$r->print('<input type="hidden" name="mixed_'.$item.'" value="'.&escape($selected).'" />'.$/);
	}
	}
	}
	$r->print('<div class="LC_error">'.&mt("Internal error").'</div>');
return;	return;
}	}
my %already_seen;	my %already_seen;
my @Problems;	my (@Problems,@anonProbs,@namedProbs,$show_named);
foreach my $symb (@Symbs) {	foreach my $symb (@Symbs) {
my $resource = $navmap->getBySymb($symb);	my $resource = $navmap->getBySymb($symb);
push(@Problems,$resource);	my ($hasanon,$hasnamed);
	if (ref($resource)) {
	foreach my $partid (@{$resource->parts}) {
	if (($anoncounter{$symb."\0".$partid}) \|\| ($resource->is_anonsurvey($partid))) {
	unless (exists($mixed_named{$symb})) {
	$hasanon = 1;
	}
	} else {
	$hasnamed = 1;
	}
	}
	if ($hasanon) {
	push(@anonProbs,$resource);
	} elsif ($hasnamed) {
	push(@namedProbs,$resource);
	}
	}
	}
	if (@namedProbs > 0) {
	@Problems = @namedProbs;
	$show_named = 1;
	} elsif (@anonProbs > 0) {
	@Problems = @anonProbs;
	}
	foreach my $selected (@Symbs) {
	$r->print('<input type="hidden" name="problemchoice" value="'.
	&escape($selected).'" />'.$/);
	if (ref($mixed_named{$selected}) eq 'ARRAY') {
	foreach my $item (@{$mixed_named{$selected}}) {
	$r->print('<input type="hidden" name="mixed_'.$item.'" value="'.&escape($selected).'" />'.$/);
	}
	}
	}
	# If these are to be anonymized, do a random shuffle of @Students.
	unless ($show_named) {
	&array_shuffle(\@Students);
	}
	#

	my $threshold = $env{'course.'.$env{'request.course.id'}.'.internal.anonsurvey_threshold'};
	if ($threshold eq '') {
	my %domconfig =
	&Apache::lonnet::get_dom('configuration',['coursedefaults'],
	$env{'course.'.$env{'request.course.id'}.'.domain'});
	if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
	$threshold = $domconfig{'coursedefaults'}{'anonsurvey_threshold'};
	if ($threshold eq '') {
	$threshold = 10;
	}
	} else {
	$threshold = 10;
	}
}	}
#	$r->print('<h4>'.
	&Apache::lonstatistics::section_and_enrollment_description().
	'</h4>');
if (! scalar(@Problems) \|\| ! defined($Problems[0])) {	if (! scalar(@Problems) \|\| ! defined($Problems[0])) {
$r->print('resource is undefined');	$r->print(&mt('resource is undefined'));
	} elsif (!$show_named && @Students < $threshold) {
	$r->print(&mt('The number of students matching the selection criteria is too few for display of submission data for anonymous surveys.').'<br />'.&mt('There must be at least [quant,_1,student].',$threshold).' '.&mt('Contact a Domain Coordinator if you need the threshold to be changed for this course.'));
} else {	} else {
if (scalar(@Problems) == 1) {	if (scalar(@Problems) == 1) {
my $resource = $Problems[0];	my $resource = $Problems[0];
$r->print('<h1>'.$resource->title.'</h1>');	$r->print('<h1>'.$resource->title.'</h1>');
$r->print('<h3>'.$resource->src.'</h3>');	$r->print('<h3>'.$resource->src.'</h3>');
if ($ENV{'form.renderprob'} eq 'true') {	if ($env{'form.renderprob'} eq 'true') {
$r->print(	$r->print(&Apache::lonstathelpers::render_resource($resource));
&Apache::lonstathelpers::render_resource({src => $resource->src})
);
$r->rflush();	$r->rflush();
}	}
}	}
if ($ENV{'form.output'} eq 'excel') {	if ($env{'form.output'} eq 'excel') {
&prepare_excel_output($r,\@Problems,\@Students);	&prepare_excel_output($r,\@Problems,\@Students,\%anoncounter,$show_named);
} elsif ($ENV{'form.output'} eq 'csv') {	} elsif ($env{'form.output'} eq 'csv') {
&prepare_csv_output($r,\@Problems,\@Students);	&prepare_csv_output($r,\@Problems,\@Students,\%anoncounter,$show_named);
} else {	} else {
&prepare_html_output($r,\@Problems,\@Students);	&prepare_html_output($r,\@Problems,\@Students,\%anoncounter,$show_named);
}	}
}	}
$r->print('<hr />');	$r->print('<hr />');
Line 138 sub BuildStudentSubmissionsPage {	Line 223 sub BuildStudentSubmissionsPage {
&mt('Prepare Report').'" />');	&mt('Prepare Report').'" />');
$r->print(' 'x5);	$r->print(' 'x5);
$r->print('<p>'.	$r->print('<p>'.
&mt('Computing correct answers greatly increasese the amount of time required to prepare a report.').	&mt('Computing correct answers greatly increases the amount of time required to prepare a report.').
'</p>');	'</p>');
$r->print('<p>'.	$r->print('<p>'.
&mt('please select problems and use the <b>Prepare Report</b> button to continue.').	&mt('Please select problems and use the [_1]Prepare Report[_2] button to continue.','<b>','</b>').
'</p>');	'</p>');
$r->print(&Apache::lonstathelpers::MultipleProblemSelector	$r->print(&Apache::lonstathelpers::MultipleProblemSelector
(undef,'problemchoice','Statistics'));	(undef,'problemchoice','Statistics',\%anoncounter));
	}
	}

	sub array_shuffle {
	my $array = shift;
	return unless (ref($array) eq 'ARRAY');
	my $i = scalar(@$array);
	my $j;
	foreach my $item (@$array) {
	--$i;
	$j = int(rand($i+1));
	next if($i == $j);
	@$array [$i,$j] = @$array[$j,$i];
}	}
	return @$array;
}	}

##	##
## get_extra_response_headers	## get_extra_response_headers
##	##
sub get_extra_response_headers {	sub get_extra_response_headers {
	my ($show_named) = @_;
my @extra_resp_headers;	my @extra_resp_headers;
if ($ENV{'form.correctans'} eq 'true') {	if ($env{'form.correctans'} eq 'true') {
push(@extra_resp_headers,'Correct');	push(@extra_resp_headers,'Correct');
}	}
if ($ENV{'form.prob_status'} eq 'true') {	if ($show_named) {
push(@extra_resp_headers,'Award Detail');	if ($env{'form.prob_status'} eq 'true') {
push(@extra_resp_headers,'Time');	push(@extra_resp_headers,'Award Detail');
push(@extra_resp_headers,'Attempt');	push(@extra_resp_headers,'Time');
push(@extra_resp_headers,'Awarded');	push(@extra_resp_headers,'Attempt');
	push(@extra_resp_headers,'Awarded');
	}
}	}
return @extra_resp_headers;	return @extra_resp_headers;
}	}
Line 189 sub get_headers {	Line 291 sub get_headers {
shift(@basic_headers); # Get rid of 'Correct'	shift(@basic_headers); # Get rid of 'Correct'
}	}
@headers = (@foils,@basic_headers);	@headers = (@foils,@basic_headers);
	} elsif (lc($resptype) eq 'task') {
	@headers = ('Grader','Status',@basic_headers,'Submission');
} else {	} else {
@headers = ('Submission',@basic_headers);	@headers = ('Submission',@basic_headers);
}	}
Line 203 sub get_headers {	Line 307 sub get_headers {
#########################################################	#########################################################
#########################################################	#########################################################
sub prepare_html_output {	sub prepare_html_output {
my ($r,$problems,$students) = @_;	my ($r,$problems,$students,$anoncounter,$show_named) = @_;
my $c = $r->connection();	my $c = $r->connection();
#	#
# Set a flag for the case when there is just one problem	# Set a flag for the case when there is just one problem
Line 214 sub prepare_html_output {	Line 318 sub prepare_html_output {
}	}
#	#
# Compute the number of columns per response	# Compute the number of columns per response
my @extra_resp_headers = &get_extra_response_headers();	my @extra_resp_headers = &get_extra_response_headers($show_named);
#	#
# Create the table header	# Create the table header
my @student_columns = ('username','domain','id');	my @student_columns;
	if ($show_named) {
	@student_columns = @Apache::lonstatistics::SelectedStudentData;
	if (grep(/^all$/,@student_columns)) {
	@student_columns = qw(fullname username domain id section status groups comments);
	}
	} else {
	@student_columns = ('username');
	}
#	#
my %headers;	my %headers;
my $student_column_count = scalar(@student_columns);	my $student_column_count = scalar(@student_columns);
Line 234 sub prepare_html_output {	Line 346 sub prepare_html_output {
foreach my $prob (@$problems) {	foreach my $prob (@$problems) {
my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);	my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
$problem_analysis{$prob->src}=\%analysis;	$problem_analysis{$prob->src}=\%analysis;
	my $symb = $prob->symb();
#	#
my $prob_span = 0;	my $prob_span = 0;
my $single_part = 0;	my $single_part = 0;
if (scalar(@{$prob->parts}) == 1) {	if (scalar(@{$prob->parts}) == 1) {
$single_part = 1;	$single_part = 1;
}	}
	my $shown_parts = 0;
foreach my $partid (@{$prob->parts}) {	foreach my $partid (@{$prob->parts}) {
	if (($prob->is_anonsurvey($partid)) \|\| ($anoncounter->{$symb."\0".$partid})) {
	next if ($show_named);
	} else {
	next unless ($show_named);
	}
	$shown_parts ++;
my $part_span = 0;	my $part_span = 0;
my $responses = [$prob->responseIds($partid)];	my $responses = [$prob->responseIds($partid)];
my $resptypes = [$prob->responseType($partid)];	my $resptypes = [$prob->responseType($partid)];
Line 257 sub prepare_html_output {	Line 377 sub prepare_html_output {
$headers{'response'} .=	$headers{'response'} .=
'<th colspan="'.scalar(@headers).'">'.	'<th colspan="'.scalar(@headers).'">'.
&mt('Response [_1]',$responses->[$i]).'</th>';	&mt('Response [_1]',$responses->[$i]).'</th>';
$headers{'student'}.= '<th>'.join('</th><th><nobr>',	$headers{'student'}.= '<th><span class="LC_nobreak">'.
	join('</span></th><th><span class="LC_nobreak">',
@headers).	@headers).
'</nobr></th>';	'</span></th>';
}	}
}	}
	if ($part_span == 0) {
	next;
	}
if (! $single_part) {	if (! $single_part) {
my $tmpname = $partid;	my $tmpname = $partid;
if ($partid =~/^\d+$/) {	if ($partid =~/^\d+$/) {
$tmpname = $prob->part_display($partid);	$tmpname = $prob->part_display($partid);
}	}
	if ($tmpname !~ /^part/) {
	$tmpname = 'Part '.$tmpname;
	}
$headers{'part'} .= qq{<th colspan="$part_span">$tmpname</th>};	$headers{'part'} .= qq{<th colspan="$part_span">$tmpname</th>};
$nonempty_part_headers = 1;	$nonempty_part_headers = 1;
} else {	} else {
$headers{'part'} .= qq{<th colspan="$part_span">&nbsp</th>};	$headers{'part'} .= qq{<th colspan="$part_span"> </th>};
}	}
$prob_span += $part_span;	$prob_span += $part_span;
}	}
	next if (!$shown_parts);
my $title = $prob->compTitle;	my $title = $prob->compTitle;
if ($prob_span > 0) {	if ($prob_span > 0) {
$headers{'problem'}.= qq{<th colspan="$prob_span">$title</th>};	$headers{'problem'}.= qq{<th colspan="$prob_span">$title</th>};
Line 310 sub prepare_html_output {	Line 438 sub prepare_html_output {
$count = 0;	$count = 0;
}	}
last if ($c->aborted());	last if ($c->aborted());
foreach my $field (@student_columns) {	if ($show_named) {
$student_row_data .=	foreach my $field (@student_columns) {
'<td valign="top">'.$student->{$field}.'</td>';	$student_row_data .= '<td valign="top">';
	# handle comments like in lonstudentassessment.pm
	if($field eq 'comments') {
	$student_row_data .=
	'<a href="/adm/'.$student->{'domain'}.'/'.
	$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
	} else {
	$student_row_data .= $student->{$field};
	}
	$student_row_data .= '</td>';
	}
	} else {
	$student_row_data = '<td valign="top" colspan="'.$student_column_count.'">'.&mt('Anonymized').'</td>';
}	}
#	#
# Figure out what it is we need to output for this student	# Figure out what it is we need to output for this student
Line 320 sub prepare_html_output {	Line 460 sub prepare_html_output {
my %prob_data;	my %prob_data;
my $maxrow;	my $maxrow;
foreach my $prob (@$problems) {	foreach my $prob (@$problems) {
$prob_data{$prob->symb}={};	my $symb = $prob->symb;
	$prob_data{$symb}={};
foreach my $partid (@{$prob->parts}) {	foreach my $partid (@{$prob->parts}) {
	if (($prob->is_anonsurvey($partid)) \|\| ($anoncounter->{$symb."\0".$partid})) {
	next if ($show_named);
	} else {
	next unless ($show_named);
	}
my @responses = $prob->responseIds($partid);	my @responses = $prob->responseIds($partid);
my @response_type = $prob->responseType($partid);	my @response_type = $prob->responseType($partid);
for (my $i=0;$i<=$#responses;$i++) {	for (my $i=0;$i<=$#responses;$i++) {
Line 336 sub prepare_html_output {	Line 482 sub prepare_html_output {
'html','normal',	'html','normal',
@extra_resp_headers);	@extra_resp_headers);
my $width = scalar(@headers);	my $width = scalar(@headers);
	next if ($width < 1);
my $resp_data;	my $resp_data;
$resp_data->{'fake'} = qq{<td colspan="$width">&nbsp</td>};	$resp_data->{'fake'} = qq{<td colspan="$width"> </td>};
if (! defined($results)) {	if (! defined($results)) {
$results = [];	$results = [];
}	}
Line 346 sub prepare_html_output {	Line 493 sub prepare_html_output {
$maxrow = scalar(@$results);	$maxrow = scalar(@$results);
}	}
for (my $j=scalar(@$results)-1;$j>=0;$j--) {	for (my $j=scalar(@$results)-1;$j>=0;$j--) {
if ($ENV{'form.all_sub'} ne 'true') {	if ($env{'form.all_sub'} ne 'true') {
next if ($j ne scalar(@$results)-1);	next if ($j ne scalar(@$results)-1);
}	}
my $response = &hashify_response($results->[$j],	my $response = &hashify_response($results->[$j],
Line 361 sub prepare_html_output {	Line 508 sub prepare_html_output {
$response,	$response,
$single_response).	$single_response).
'</td>');	'</td>');
	} elsif (lc($resptype) eq 'task') {
	my $results =
	&html_task_results(\@headers,
	$prob,$partid,$respid,
	$response,$resptype);
	if ($results) {
	push(@{$resp_data->{'real'}},$results);
	}
} else {	} else {
push(@{$resp_data->{'real'}},	push(@{$resp_data->{'real'}},
&html_non_essay_results(\@headers,	&html_non_essay_results(\@headers,
Line 420 sub prepare_html_output {	Line 575 sub prepare_html_output {
undef(@essays);	undef(@essays);
}	}
} # end of student loop	} # end of student loop
	$r->print('</table>'.$/);
return;	return;
}	}

sub hashify_response {	sub hashify_response {
my ($response,$prob,$student,$partid,$respid) =@_;	my ($response,$prob,$student,$partid,$respid) =@_;
my $resp_hash = {};	my $resp_hash = {};
if ($ENV{'form.correctans'} eq 'true') {	if ($env{'form.correctans'} eq 'true') {
$resp_hash->{'Correct'} =	$resp_hash->{'Correct'} =
&Apache::lonstathelpers::get_student_answer	&Apache::lonstathelpers::get_student_answer
($prob,$student->{'username'},$student->{'domain'},	($prob,$student->{'username'},$student->{'domain'},
Line 434 sub hashify_response {	Line 590 sub hashify_response {
}	}
$resp_hash->{'Submission'} =	$resp_hash->{'Submission'} =
$response->[&Apache::loncoursedata::RDs_submission()];	$response->[&Apache::loncoursedata::RDs_submission()];
$resp_hash->{'Award Detail'} =
$response->[&Apache::loncoursedata::RDs_awarddetail()];
$resp_hash->{'Time'} =	$resp_hash->{'Time'} =
$response->[&Apache::loncoursedata::RDs_timestamp()];	$response->[&Apache::loncoursedata::RDs_timestamp()];
$resp_hash->{'Attempt'} =	$resp_hash->{'Attempt'} =
$response->[&Apache::loncoursedata::RDs_tries()];	$response->[&Apache::loncoursedata::RDs_tries()];
$resp_hash->{'Awarded'} =	$resp_hash->{'Awarded'} =
$response->[&Apache::loncoursedata::RDs_awarded()];	$response->[&Apache::loncoursedata::RDs_awarded()];
	if ($prob->is_task()) {
	$resp_hash->{'Grader'} =
	$response->[&Apache::loncoursedata::RDs_response_eval_2()];
	if ($resp_hash->{'Attempt'} eq '0') {
	$resp_hash->{'Attempt'} = '';
	}
	$resp_hash->{'Award Detail'} =
	$response->[&Apache::loncoursedata::RDs_part_award()];
	$resp_hash->{'Status'} =
	$response->[&Apache::loncoursedata::RDs_response_eval()];
	} else {
	$resp_hash->{'Award Detail'} =
	$response->[&Apache::loncoursedata::RDs_awarddetail()];
	}

return $resp_hash;	return $resp_hash;
}	}

Line 465 sub html_essay_results {	Line 634 sub html_essay_results {
if (defined($respid)) {	if (defined($respid)) {
$id .= ' '.$respid;	$id .= ' '.$respid;
}	}
$Str .= '<nobr>'.$id.'</nobr>'.(' 'x4);	$Str .= '<span class="LC_nobreak">'.$id.'</span>'.(' 'x4);
}	}
#	#
shift(@$headers); # Get rid of the Submission header	shift(@$headers); # Get rid of the Submission header
Line 474 sub html_essay_results {	Line 643 sub html_essay_results {
$correct = &html_format_essay_sub($response->{'Correct'});	$correct = &html_format_essay_sub($response->{'Correct'});
shift(@$headers);	shift(@$headers);
}	}
$Str .= '<nobr>'.	$Str .= '<span class="LC_nobreak">'.
join('',	join('',
map {	map {
(' 'x4).&mt($_.': [_1]',$response->{$_});	(' 'x4).&mt($_.': [_1]',$response->{$_});
} @$headers).'</nobr>';	} @$headers).'</span>';
if (@$headers \|\| ! $single_response) {	if (@$headers \|\| ! $single_response) {
$Str .= '<br />';	$Str .= '<br />';
}	}
Line 504 sub html_format_essay_sub {	Line 673 sub html_format_essay_sub {
return $submission;	return $submission;
}	}

	sub html_task_results {
	my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
	if (! ref($headers) \|\| ref($headers) ne 'ARRAY' \|\| ! scalar(@$headers)) {
	return '';
	}

	my @values;
	@values = map { $response->{$_}; } @$headers;

	my $td = '<td valign="top">';
	my $str = $td.join('</td>'.$td,@values).'</td>';
	return $str;
	}

sub html_non_essay_results {	sub html_non_essay_results {
my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;	my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
if (! ref($headers) \|\| ref($headers) ne 'ARRAY' \|\| ! scalar(@$headers)) {	if (! ref($headers) \|\| ref($headers) ne 'ARRAY' \|\| ! scalar(@$headers)) {
return '';	return '';
}	}
#	#
my $submission = &HTML::Entities::decode($response->{'Submission'});	my $submission = &HTML::Entities::decode(&unescape($response->{'Submission'}));
return '' if (! defined($submission) \|\| $submission eq '');	return '' if (! defined($submission) \|\| $submission eq '');
$submission =~ s/\\\"/\"/g;	$submission =~ s/\\\"/\"/g;
$submission =~ s/\\\'/\'/g;	$submission =~ s/\\\'/\'/g;
if ($resptype eq 'radiobutton') {	if ($resptype eq 'radiobutton') {
$submission = &HTML::Entities::encode($submission,'<>&"');	$submission = &HTML::Entities::encode($submission,'<>&"');
$submission =~ s/=([^=])$//;	$submission =~ s/=([^=])$//;
$submission = '<nobr>'.$submission.'</nobr>';	$submission = '<span class="LC_nobreak">'.$submission.'</span>';
}	}
$response->{'Submission'} = $submission;	$response->{'Submission'} = $submission;
#	#
Line 525 sub html_non_essay_results {	Line 708 sub html_non_essay_results {
if ($resptype =~ /^(option\|match\|rank)$/) {	if ($resptype =~ /^(option\|match\|rank)$/) {
my %submission =	my %submission =
map {	map {
my ($foil,$value) = split('=',&Apache::lonnet::unescape($_));	my ($foil,$value) = split('=',&unescape($_));
($foil,$value);	($foil,$value);
} split('&',$response->{'Submission'});	} split('&',$response->{'Submission'});
my %correct;	my %correct;
if (exists($response->{'Correct'})) {	if (exists($response->{'Correct'})) {
%correct =	%correct =
map {	map {
my ($foil,$value)=split('=',&Apache::lonnet::unescape($_));	my ($foil,$value)=split('=',&unescape($_));
($foil,$value);	($foil,$value);
} split('&',$response->{'Correct'});	} split('&',$response->{'Correct'});
}	}
Line 550 sub html_non_essay_results {	Line 733 sub html_non_essay_results {
$option = $submission{$header};	$option = $submission{$header};
}	}
push(@values,&HTML::Entities::encode($option));	push(@values,&HTML::Entities::encode($option));
	} elsif ($original_header eq 'Time') {
	push(@values,&Apache::lonlocal::locallocaltime($response->{$original_header}));
} else {	} else {
# A normal column	# A normal column
push(@values,$response->{$original_header});	push(@values,$response->{$original_header});
Line 572 sub html_non_essay_results {	Line 757 sub html_non_essay_results {
#########################################################	#########################################################
#########################################################	#########################################################
sub prepare_excel_output {	sub prepare_excel_output {
my ($r,$Problems,$Students) = @_;	my ($r,$Problems,$Students,$anoncounter,$show_named) = @_;
my $c = $r->connection();	my $c = $r->connection();
#	#
#	#
# Determine the number of columns in the spreadsheet	# Determine the number of columns in the spreadsheet
my $columncount = 3; # username, domain, id	my $columncount = 3; # username, domain, id
my @extra_resp_headers = &get_extra_response_headers();	my @extra_resp_headers = &get_extra_response_headers($show_named);
my $lastprob;	my $lastprob;
my %problem_analysis;	my %problem_analysis;
foreach my $prob (@$Problems) {	foreach my $prob (@$Problems) {
	my $symb = $prob->symb();
my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);	my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
$problem_analysis{$prob->src}=\%analysis;	$problem_analysis{$prob->src}=\%analysis;
foreach my $partid (@{$prob->parts}) {	foreach my $partid (@{$prob->parts}) {
	if (($prob->is_anonsurvey($partid)) \|\| ($anoncounter->{$symb."\0".$partid})) {
	next if ($show_named);
	} else {
	next unless ($show_named);
	}

my $responses = [$prob->responseIds($partid)];	my $responses = [$prob->responseIds($partid)];
my $resptypes = [$prob->responseType($partid)];	my $resptypes = [$prob->responseType($partid)];
for (my $i=0;$i<scalar(@$responses);$i++) {	for (my $i=0;$i<scalar(@$responses);$i++) {
Line 602 sub prepare_excel_output {	Line 794 sub prepare_excel_output {
if ($columncount > 255) {	if ($columncount > 255) {
$r->print('<h1>'.&mt('Unable to complete request').'</h1>'.$/.	$r->print('<h1>'.&mt('Unable to complete request').'</h1>'.$/.
'<p>'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns. Excel allows only 255 columns in a spreadsheet.').'</p>'.$/.	'<p>'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns. Excel allows only 255 columns in a spreadsheet.').'</p>'.$/.
'<p>'.&mt('Consider selecting fewer problems to generate reports on, or reducing the number of items per problem. Or use HTML or CSV output.').'</p>'.$/.	'<p>'.&mt('Consider selecting fewer problems to generate reports on, or reducing the number of items per problem. Or use HTML or CSV output.').'</p>'.$/);
'<p>'.&mt('The last problem that will fit in the current spreadsheet is [_1].',$lastprob->compTitle).'</p>');	if (ref($lastprob)) {
	$r->print('<p>'.&mt('The last problem that will fit in the current spreadsheet is [_1].',$lastprob->compTitle).'</p>');
	}
$r->rflush();	$r->rflush();
return;	return;
}	}
Line 622 sub prepare_excel_output {	Line 816 sub prepare_excel_output {
$r->rflush();	$r->rflush();
#	#
# Create the excel spreadsheet	# Create the excel spreadsheet
my $filename = '/prtspool/'.	my ($workbook,$filename,$format) =
$ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.	&Apache::loncommon::create_workbook($r);
time.'_'.rand(1000000000).'.xls';	return if (! defined($workbook));
my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
if (! defined($workbook)) {
$r->log_error("Error creating excel spreadsheet $filename: $!");
$r->print('<p>'.&mt("Unable to create new Excel file. ".
"This error has been logged. ".
"Please alert your LON-CAPA administrator").
'</p>');
return undef;
}
#
$workbook->set_tempdir('/home/httpd/perl/tmp');
#
my $format = &Apache::loncommon::define_excel_formats($workbook);
my $worksheet = $workbook->addworksheet('Student Submission Data');	my $worksheet = $workbook->addworksheet('Student Submission Data');
#	#
# Add headers to the worksheet	# Add headers to the worksheet
my $rows_output = 0;	my $rows_output = 0;
$worksheet->write($rows_output++,0,	$worksheet->write($rows_output++,0,
$ENV{'course.'.$ENV{'request.course.id'}.'.description'},	$env{'course.'.$env{'request.course.id'}.'.description'},
$format->{'h1'});	$format->{'h1'});
$rows_output++;	$rows_output++;
my $cols_output = 0;	my $cols_output = 0;
Line 655 sub prepare_excel_output {	Line 836 sub prepare_excel_output {
$worksheet->write($partid_row,0,'Part ID',$format->{'bold'});	$worksheet->write($partid_row,0,'Part ID',$format->{'bold'});
$worksheet->write($respid_row,0,'Response ID',$format->{'bold'});	$worksheet->write($respid_row,0,'Response ID',$format->{'bold'});
# Student headers	# Student headers
my @StudentColumns = ('username','domain','id');	my @StudentColumns;
	if ($show_named) {
	@StudentColumns = qw(username domain id section);
	} else {
	@StudentColumns = qw(username);
	}
foreach (@StudentColumns) {	foreach (@StudentColumns) {
$worksheet->write($header_row,$cols_output++,ucfirst($_),	$worksheet->write($header_row,$cols_output++,ucfirst($_),
$format->{'bold'});	$format->{'bold'});
Line 664 sub prepare_excel_output {	Line 850 sub prepare_excel_output {
my %start_col;	my %start_col;
foreach my $prob (@$Problems) {	foreach my $prob (@$Problems) {
my $title = $prob->compTitle;	my $title = $prob->compTitle;
	my $symb = $prob->symb();
$worksheet->write($title_row,$cols_output,	$worksheet->write($title_row,$cols_output,
$title,$format->{'h3'});	$title,$format->{'h3'});
foreach my $partid (@{$prob->parts}) {	foreach my $partid (@{$prob->parts}) {
	if (($prob->is_anonsurvey($partid)) \|\| ($anoncounter->{$symb."\0".$partid})) {
	next if ($show_named);
	} else {
	next unless ($show_named);
	}
$worksheet->write($partid_row,$cols_output,	$worksheet->write($partid_row,$cols_output,
$prob->part_display($partid));	$prob->part_display($partid));
my $responses = [$prob->responseIds($partid)];	my $responses = [$prob->responseIds($partid)];
Line 703 sub prepare_excel_output {	Line 895 sub prepare_excel_output {
$cols_output = 0;	$cols_output = 0;
my $student_row = $max_row;	my $student_row = $max_row;
foreach my $field (@StudentColumns) {	foreach my $field (@StudentColumns) {
$worksheet->write($student_row,$cols_output++,	if ($show_named) {
$student->{$field});	$worksheet->write($student_row,$cols_output++,
	$student->{$field});
	} else {
	$worksheet->write($student_row,$cols_output++,
	&mt('Anonymized'));
	}
}	}
my $last_student_col = $cols_output-1;	my $last_student_col = $cols_output-1;
foreach my $prob (@$Problems) {	foreach my $prob (@$Problems) {
	my $symb = $prob->symb();
foreach my $partid (@{$prob->parts}) {	foreach my $partid (@{$prob->parts}) {
	if (($prob->is_anonsurvey($partid)) \|\| ($anoncounter->{$symb."\0".$partid})) {
	next if ($show_named);
	} else {
	next unless ($show_named);
	}
my @Response = $prob->responseIds($partid);	my @Response = $prob->responseIds($partid);
my @ResponseType = $prob->responseType($partid);	my @ResponseType = $prob->responseType($partid);
for (my $i=0;$i<=$#Response;$i++) {	for (my $i=0;$i<=$#Response;$i++) {
Line 732 sub prepare_excel_output {	Line 935 sub prepare_excel_output {
my $response_start_col = $start_col{$prob->symb}->{$partid}->{$respid};	my $response_start_col = $start_col{$prob->symb}->{$partid}->{$respid};
for (my $j=scalar(@$results)-1;$j>=0;$j--) {	for (my $j=scalar(@$results)-1;$j>=0;$j--) {
$cols_output = $response_start_col;	$cols_output = $response_start_col;
if ($ENV{'form.all_sub'} ne 'true') {	if ($env{'form.all_sub'} ne 'true') {
next if ($j ne scalar(@$results)-1);	next if ($j ne scalar(@$results)-1);
}	}
my $response = &hashify_response($results->[$j],	my $response = &hashify_response($results->[$j],
Line 756 sub prepare_excel_output {	Line 959 sub prepare_excel_output {
}	}
}	}
# Fill in the remaining rows with the students data	# Fill in the remaining rows with the students data
for (my $row = $student_row+1;$row<=$max_row;$row++) {	for (my $row = $student_row+1;$row<$max_row;$row++) {
my $cols = 0;	my $cols = 0;
foreach my $field (@StudentColumns) {	foreach my $field (@StudentColumns) {
$worksheet->write($row,$cols++,	if ($show_named) {
$student->{$field});	$worksheet->write($row,$cols++,
	$student->{$field});
	} else {
	$worksheet->write($row,$cols++,
	&mt('Anonymized'));
	}
}	}
}	}
$rows_output++;
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,	&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
'last student');	'last student');
}	}
Line 795 sub compile_response_data {	Line 1002 sub compile_response_data {
#	#
my $submission =	my $submission =
&HTML::Entities::decode	&HTML::Entities::decode
(&Apache::lonnet::unescape($response->{'Submission'}));	(&unescape($response->{'Submission'}));
return () if (! defined($submission) \|\| $submission eq '');	if (!$prob->is_task()) {
	return () if (! defined($submission) \|\| $submission eq '');
	}
$submission =~ s/\\\"/\"/g;	$submission =~ s/\\\"/\"/g;
$submission =~ s/\\\'/\'/g;	$submission =~ s/\\\'/\'/g;
if ($resptype eq 'radiobutton') {	if ($resptype eq 'radiobutton') {
Line 808 sub compile_response_data {	Line 1017 sub compile_response_data {
if ($resptype =~ /^(option\|match\|rank)$/) {	if ($resptype =~ /^(option\|match\|rank)$/) {
my %submission =	my %submission =
map {	map {
my ($foil,$value) = split('=',&Apache::lonnet::unescape($_));	my ($foil,$value) = split('=',&unescape($_));
($foil,$value);	($foil,$value);
} split('&',$response->{'Submission'});	} split('&',$response->{'Submission'});
my %correct;	my %correct;
if (exists($response->{'Correct'})) {	if (exists($response->{'Correct'})) {
%correct =	%correct =
map {	map {
my ($foil,$value)=split('=',&Apache::lonnet::unescape($_));	my ($foil,$value)=split('=',&unescape($_));
($foil,$value);	($foil,$value);
} split('&',$response->{'Correct'});	} split('&',$response->{'Correct'});
}	}
Line 869 sub excel_format_item {	Line 1078 sub excel_format_item {
#########################################################	#########################################################
#########################################################	#########################################################
sub prepare_csv_output {	sub prepare_csv_output {
my ($r,$problems,$students) = @_;	my ($r,$problems,$students,$anoncounter,$show_named) = @_;
my $c = $r->connection();	my $c = $r->connection();
#	#
$r->print('<h2>'.	$r->print('<h2>'.
Line 886 sub prepare_csv_output {	Line 1095 sub prepare_csv_output {
# Open a file	# Open a file
my $outputfile;	my $outputfile;
my $filename = '/prtspool/'.	my $filename = '/prtspool/'.
$ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.	$env{'user.name'}.'_'.$env{'user.domain'}.'_'.
time.'_'.rand(1000000000).'.csv';	time.'_'.rand(1000000000).'.csv';
unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {	unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
$r->log_error("Couldn't open $filename for output $!");	$r->log_error("Couldn't open $filename for output $!");
$r->print("Problems occured in writing the csv file. ".	$r->print(
"This error has been logged. ".	'<p class="LC_error">'
"Please alert your LON-CAPA administrator.");	.&mt('Problems occurred in writing the CSV file.')
	.' '.&mt('This error has been logged.')
	.' '.&mt('Please alert your LON-CAPA administrator.')
	.'</p>'
	);
$outputfile = undef;	$outputfile = undef;
}	}
#	#
# Compute the number of columns per response	# Compute the number of columns per response
my @extra_resp_headers = &get_extra_response_headers();	my @extra_resp_headers = &get_extra_response_headers($show_named);
#	#
# Create the table header	# Create the table header
my @student_columns = ('username','domain','id');	my @student_columns = ('username','domain','id','section');
	if ($show_named) {
	@student_columns = qw(username domain id section);
	} else {
	@student_columns = qw(username);
	}
	my $student_column_count = scalar(@student_columns);
#	#
my %headers;	my %headers;
push(@{$headers{'student'}},@student_columns);	push(@{$headers{'student'}},@student_columns);
Line 914 sub prepare_csv_output {	Line 1133 sub prepare_csv_output {
my %start_col;	my %start_col;
my $max_column = scalar(@student_columns);	my $max_column = scalar(@student_columns);
foreach my $prob (@$problems) {	foreach my $prob (@$problems) {
	my $symb = $prob->symb();
my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);	my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
$problem_analysis{$prob->src}=\%analysis;	$problem_analysis{$prob->src}=\%analysis;
$headers{'problem'}->[$max_column] = $prob->compTitle;	$headers{'problem'}->[$max_column] = $prob->compTitle;
foreach my $partid (@{$prob->parts}) {	foreach my $partid (@{$prob->parts}) {
	if (($prob->is_anonsurvey($partid)) \|\| ($anoncounter->{$symb."\0".$partid})) {
	next if ($show_named);
	} else {
	next unless ($show_named);
	}
$headers{'part'}->[$max_column] = $prob->part_display($partid);	$headers{'part'}->[$max_column] = $prob->part_display($partid);
my $responses = [$prob->responseIds($partid)];	my $responses = [$prob->responseIds($partid)];
my $resptypes = [$prob->responseType($partid)];	my $resptypes = [$prob->responseType($partid)];
Line 951 sub prepare_csv_output {	Line 1176 sub prepare_csv_output {
last if ($c->aborted());	last if ($c->aborted());
my @rows;	my @rows;
foreach my $prob (@$problems) {	foreach my $prob (@$problems) {
	my $symb = $prob->symb;
foreach my $partid (@{$prob->parts}) {	foreach my $partid (@{$prob->parts}) {
	if (($prob->is_anonsurvey($partid)) \|\| ($anoncounter->{$symb."\0".$partid})) {
	next if ($show_named);
	} else {
	next unless ($show_named);
	}
my @responses = $prob->responseIds($partid);	my @responses = $prob->responseIds($partid);
my @response_type = $prob->responseType($partid);	my @response_type = $prob->responseType($partid);
for (my $i=0;$i<=$#responses;$i++) {	for (my $i=0;$i<=$#responses;$i++) {
Line 968 sub prepare_csv_output {	Line 1199 sub prepare_csv_output {
$results = [];	$results = [];
}	}
for (my $j=0; $j<scalar(@$results);$j++) {	for (my $j=0; $j<scalar(@$results);$j++) {
if ($ENV{'form.all_sub'} ne 'true') {	if ($env{'form.all_sub'} ne 'true') {
next if ($j != 0);	next if ($j != 0);
}	}
my $idx = scalar(@$results) - $j - 1;	my $idx = scalar(@$results) - $j - 1;
Line 989 sub prepare_csv_output {	Line 1220 sub prepare_csv_output {
}	}
}	}
foreach my $row (@rows) {	foreach my $row (@rows) {
print $outputfile '"'.join('","',	my $student_row_data = '';
map { $student->{$_}; }	if ($show_named) {
@student_columns).'"';	$student_row_data = '"'.join('","',
for (my $i=scalar(@student_columns);$i<$max_column;$i++) {	map { $student->{$_}; }
	@student_columns).'"';
	} else {
	$student_row_data = '"'.&mt('Anonymized').'"';
	}
	print $outputfile $student_row_data;
	for (my $i=$student_column_count;$i<$max_column;$i++) {
my $value = &Apache::loncommon::csv_translate($row->[$i]);	my $value = &Apache::loncommon::csv_translate($row->[$i]);
$value \|\|='';	$value \|\|='';
print $outputfile ',"'.$value.'"';	print $outputfile ',"'.$value.'"';
Line 1008 sub prepare_csv_output {	Line 1245 sub prepare_csv_output {
# Close the progress window	# Close the progress window
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);	&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
#	#
# Tell the user where to get their csv file	# Tell the user where to get their CSV file
$r->print('<br />'.	$r->print('<br />'.
'<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");	'<a href="'.$filename.'">'.&mt('Your CSV file.').'</a>'."\n");
$r->rflush();	$r->rflush();
return;	return;
}	}
Line 1037 sub CreateInterface {	Line 1274 sub CreateInterface {
my $output_selector = $/.'<select name="output">'.$/;	my $output_selector = $/.'<select name="output">'.$/;
foreach ('HTML','Excel','CSV') {	foreach ('HTML','Excel','CSV') {
$output_selector .= ' <option value="'.lc($_).'"';	$output_selector .= ' <option value="'.lc($_).'"';
if ($ENV{'form.output'} eq lc($_)) {	if ($env{'form.output'} eq lc($_)) {
$output_selector .= ' selected ';	$output_selector .= ' selected="selected"';
}	}
$output_selector .='>'.&mt($_).'</option>'.$/;	$output_selector .='>'.&mt($_).'</option>'.$/;
}	}
Line 1046 sub CreateInterface {	Line 1283 sub CreateInterface {
##	##
## Environment variable initialization	## Environment variable initialization
my $Str = '';	my $Str = '';
$Str .= &Apache::lonhtmlcommon::breadcrumbs	$Str .= &Apache::lonhtmlcommon::breadcrumbs('Student Submission Reports');
(undef,'Student Submission Reports');	$Str .= '<br />';
$Str .= '<p>';	$Str .= &Apache::loncommon::start_data_table();
$Str .= '<table cellspacing="5">'."\n";	$Str .= &Apache::loncommon::start_data_table_header_row();
$Str .= '<tr>';
$Str .= '<th>'.&mt('Sections').'</th>';	$Str .= '<th>'.&mt('Sections').'</th>';
$Str .= '<th>'.&mt('Enrollment Status').'</th>';	$Str .= '<th>'.&mt('Groups').'</th>';
$Str .= '<th>'.&mt('Output as [_1]',$output_selector).'</th>';	$Str .= '<th>'.&mt('Student Data').&Apache::loncommon::help_open_topic("Chart_Student_Data").'</th>';
$Str .= '</tr>'."\n";	$Str .= '<th>'.&mt('Access Status').'</th>';
	$Str .= '<th>'.&mt('Options').'</th>';
	$Str .= '<th>'.&mt('Output Format').'</th>';
	$Str .= &Apache::loncommon::end_data_table_header_row();
#	#
$Str .= '<tr><td align="center">'."\n";	$Str .= &Apache::loncommon::start_data_table_row();
	$Str .= '<td align="center">'."\n";
$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);	$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
$Str .= '</td>';	$Str .= '</td>';
#	#
	$Str .= '<td align="center">'."\n";
	$Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
	$Str .= '</td>';
	#
	$Str .= '<td align="center">'."\n";
	$Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple', 5,undef);
	$Str .= '</td>';
	#
$Str .= '<td align="center">';	$Str .= '<td align="center">';
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);	$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
$Str .= '</td>';	$Str .= '</td>';
#	#
# Render problem checkbox	# Render problem checkbox
my $prob_checkbox = '<input type="checkbox" name="renderprob" ';	my $prob_checkbox = '<input type="checkbox" name="renderprob" ';
if (exists($ENV{'form.renderprob'}) && $ENV{'form.renderprob'} eq 'true') {	if (exists($env{'form.renderprob'}) && $env{'form.renderprob'} eq 'true') {
$prob_checkbox .= 'checked ';	$prob_checkbox .= 'checked="checked" ';
}	}
$prob_checkbox .= 'value="true" />';	$prob_checkbox .= 'value="true" />';
#	#
# Compute correct answers checkbox	# Compute correct answers checkbox
my $ans_checkbox = '<input type="checkbox" name="correctans" ';	my $ans_checkbox = '<input type="checkbox" name="correctans" ';
if (exists($ENV{'form.correctans'}) && $ENV{'form.correctans'} eq 'true') {	if (exists($env{'form.correctans'}) && $env{'form.correctans'} eq 'true') {
$ans_checkbox .= 'checked ';	$ans_checkbox .= 'checked="checked" ';
}	}
$ans_checkbox .= 'value="true" />';	$ans_checkbox .= 'value="true" />';
#	#
# Show all submissions checkbox	# Show all submissions checkbox
my $all_sub_checkbox = '<input type="checkbox" name="all_sub" ';	my $all_sub_checkbox = '<input type="checkbox" name="all_sub" ';
if (exists($ENV{'form.all_sub'}) &&	if (exists($env{'form.all_sub'}) &&
$ENV{'form.all_sub'} eq 'true') {	$env{'form.all_sub'} eq 'true') {
$all_sub_checkbox .= 'checked ';	$all_sub_checkbox .= 'checked="checked" ';
}	}
$all_sub_checkbox.= 'value="true" />';	$all_sub_checkbox.= 'value="true" />';
#	#
# problem status checkbox	# problem status checkbox
my $prob_status_checkbox = '<input type="checkbox" name="prob_status" ';	my $prob_status_checkbox = '<input type="checkbox" name="prob_status" ';
if (exists($ENV{'form.prob_status'}) &&	if (exists($env{'form.prob_status'}) &&
$ENV{'form.prob_status'} eq 'true') {	$env{'form.prob_status'} eq 'true') {
$prob_status_checkbox .= 'checked ';	$prob_status_checkbox .= 'checked="checked" ';
}	}
$prob_status_checkbox .= 'value="true" />';	$prob_status_checkbox .= 'value="true" />';
#	#
$Str .= '<td align="right" halign="top">'.	$Str .=
'<label><b>'.	'<td valign="top">'
&mt('Show problem [_1]',$prob_checkbox).'</b></label><br />'.	.'<label>'
'<label><b>'.	.$prob_checkbox.&mt('Show problem')
&mt('Show correct answers [_1]',$ans_checkbox).'</b></label><br />'.	.'</label><br />'
'<label><b>'.	.'<label>'
&mt('Show all submissions [_1]',$all_sub_checkbox).	.' '.$ans_checkbox.&mt('Show correct answers')
'</b></label><br />'.	.'</label><br />'
'<label><b>'.	.'<label>'
&mt('Show problem grading [_1]',$prob_status_checkbox).	.$all_sub_checkbox.&mt('Show all submissions')
'</b></label><br />'.	.'</label><br />'
'</td>';	.'<label>'
#	.$prob_status_checkbox.&mt('Show problem grading')
$Str .= '</tr>'."\n";	.'</label>'
$Str .= '</table>'."\n";	.'</td>';
#	#
$Str .= '<nobr>'.&mt('Status: [_1]',	$Str .= '<td align="center" valign="top">'.$output_selector.'</td>';
'<input type="text" '.	#
'name="stats_status" size="60" value="" />').	$Str .= &Apache::loncommon::end_data_table_row();
'</nobr>'.'</p>';	$Str .= &Apache::loncommon::end_data_table();
	#
	$Str .= '<p><span class="LC_nobreak">'
	.&mt('Status: [_1]',
	'<input type="text" name="stats_status"'
	.' size="60" value="" readonly="readonly" />')
	.'</span></p>';
##	##
return $Str;	return $Str;
}	}

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	Added in v.1.61