loncom/interface/statistics/lonstudentassessment.pm - diff

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Diff for /loncom/interface/statistics/lonstudentassessment.pm between versions 1.88 and 1.155

version 1.88, 2004/02/12 14:47:55	version 1.155, 2009/05/17 23:13:49
Line 50 Presents assessment data about a student	Line 50 Presents assessment data about a student
package Apache::lonstudentassessment;	package Apache::lonstudentassessment;

use strict;	use strict;
use Apache::lonstatistics;	use Apache::lonstatistics();
use Apache::lonhtmlcommon;	use Apache::lonhtmlcommon();
use Apache::loncommon();	use Apache::loncommon();
use Apache::loncoursedata;	use Apache::loncoursedata;
use Apache::lonnet; # for logging porpoises	use Apache::lonnet; # for logging porpoises
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::grades();
	use Apache::lonmsgdisplay();
	use Time::HiRes;
use Spreadsheet::WriteExcel;	use Spreadsheet::WriteExcel;
use Spreadsheet::WriteExcel::Utility();	use Spreadsheet::WriteExcel::Utility();
	use lib '/home/httpd/lib/perl/';
	use LONCAPA;


#######################################################	#######################################################
#######################################################	#######################################################
Line 144 sub BuildStudentAssessmentPage {	Line 150 sub BuildStudentAssessmentPage {
'chartoutputmode' => 'scalar',	'chartoutputmode' => 'scalar',
'chartoutputdata' => 'scalar',	'chartoutputdata' => 'scalar',
'Section' => 'array',	'Section' => 'array',
	'Groups' => 'array',
'StudentData' => 'array',	'StudentData' => 'array',
'Maps' => 'array');	'Maps' => 'array');
&Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);	&Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
Line 152 sub BuildStudentAssessmentPage {	Line 159 sub BuildStudentAssessmentPage {
&Apache::lonstatistics::PrepareClasslist();	&Apache::lonstatistics::PrepareClasslist();
#	#
$single_student_mode = 0;	$single_student_mode = 0;
$single_student_mode = 1 if ($ENV{'form.SelectedStudent'});	$single_student_mode = 1 if ($env{'form.SelectedStudent'});
if ($ENV{'form.selectstudent'}) {	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
	['selectstudent']);
	if ($env{'form.selectstudent'}) {
&Apache::lonstatistics::DisplayClasslist($r);	&Apache::lonstatistics::DisplayClasslist($r);
return;	return;
}	}
Line 164 sub BuildStudentAssessmentPage {	Line 173 sub BuildStudentAssessmentPage {
$r->print(&CreateInterface());	$r->print(&CreateInterface());
$r->print('<input type="hidden" name="notfirstrun" value="true" />');	$r->print('<input type="hidden" name="notfirstrun" value="true" />');
$r->print('<input type="hidden" name="sort" value="'.	$r->print('<input type="hidden" name="sort" value="'.
$ENV{'form.sort'}.'" />');	$env{'form.sort'}.'" />');
$r->rflush();	$r->rflush();
#	#
if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) {	if (! exists($env{'form.notfirstrun'}) && ! $single_student_mode) {
return;	return;
}	}
	$r->print('<h4>'.
	&Apache::lonstatistics::section_and_enrollment_description().
	'</h4>');
#	#
my $initialize = \&html_initialize;	my $initialize = \&html_initialize;
my $output_student = \&html_outputstudent;	my $output_student = \&html_outputstudent;
Line 228 sub BuildStudentAssessmentPage {	Line 240 sub BuildStudentAssessmentPage {
sub next_and_previous_buttons {	sub next_and_previous_buttons {
my $Str = '';	my $Str = '';
$Str .= '<input type="hidden" name="SelectedStudent" value="'.	$Str .= '<input type="hidden" name="SelectedStudent" value="'.
$ENV{'form.SelectedStudent'}.'" />';	$env{'form.SelectedStudent'}.'" />';
#	#
# Build the previous student link	# Build the previous student link
my $previous = &Apache::lonstatistics::previous_student();	my $previous = &Apache::lonstatistics::previous_student();
Line 236 sub next_and_previous_buttons {	Line 248 sub next_and_previous_buttons {
if (defined($previous)) {	if (defined($previous)) {
my $sname = $previous->{'username'}.':'.$previous->{'domain'};	my $sname = $previous->{'username'}.':'.$previous->{'domain'};
$previousbutton .= '<input type="button" value="'.	$previousbutton .= '<input type="button" value="'.
'Previous Student ('.	&mt('Previous Student ([_1])',
$previous->{'username'}.'@'.$previous->{'domain'}.')'.	$previous->{'username'}.':'.$previous->{'domain'}).
'" onclick="document.Statistics.SelectedStudent.value='.	'" onclick="document.Statistics.SelectedStudent.value='.
"'".$sname."'".';'.	"'".$sname."'".';'.
'document.Statistics.submit();" />';	'document.Statistics.submit();" />';
} else {	} else {
$previousbutton .= '<input type="button" value="'.	$previousbutton .= '<input type="button" value="'.
'Previous student (none)'.'" />';	&mt('Previous Student').'" disabled="disabled" />';
}	}
#	#
# Build the next student link	# Build the next student link
Line 252 sub next_and_previous_buttons {	Line 264 sub next_and_previous_buttons {
if (defined($next)) {	if (defined($next)) {
my $sname = $next->{'username'}.':'.$next->{'domain'};	my $sname = $next->{'username'}.':'.$next->{'domain'};
$nextbutton .= '<input type="button" value="'.	$nextbutton .= '<input type="button" value="'.
'Next Student ('.	&mt('Next Student ([_1])',
$next->{'username'}.'@'.$next->{'domain'}.')'.	$next->{'username'}.':'.$next->{'domain'}).
'" onclick="document.Statistics.SelectedStudent.value='.	'" onclick="document.Statistics.SelectedStudent.value='.
"'".$sname."'".';'.	"'".$sname."'".';'.
'document.Statistics.submit();" />';	'document.Statistics.submit();" />';
} else {	} else {
$nextbutton .= '<input type="button" value="'.	$nextbutton .= '<input type="button" value="'.
'Next student (none)'.'" />';	&mt('Next Student').'" disabled="disabled" />';
}	}
#	#
# Build the 'all students' button	# Build the 'all students' button
my $all = '';	my $all = '';
$all .= '<input type="button" value="All Students" '.	$all .= '<input type="button" value="'.&mt('All Students').'" '.
'" onclick="document.Statistics.SelectedStudent.value='.	'" onclick="document.Statistics.SelectedStudent.value='.
"''".';'.'document.Statistics.submit();" />';	"''".';'.'document.Statistics.submit();" />';
$Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;	$Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
Line 306 the chart page.	Line 318 the chart page.
#######################################################	#######################################################
sub CreateInterface {	sub CreateInterface {
my $Str = '';	my $Str = '';
	$Str .= &Apache::lonhtmlcommon::breadcrumbs('Chart','Chart_Description:Chart_Sections:Chart_Student_Data:Chart_Enrollment_Status:Chart_Sequences:Chart_Output_Formats:Chart_Output_Data');
# $Str .= &CreateLegend();	# $Str .= &CreateLegend();
$Str .= '<table cellspacing="5">'."\n";	$Str .= '<table cellspacing="5">'."\n";
$Str .= '<tr>';	$Str .= '<tr>';
$Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';	$Str .= '<td align="center"><b>'.&mt('Sections').'</b>'.
$Str .= '<td align="center"><b>'.&mt('Student Data</b>').'</td>';	&Apache::loncommon::help_open_topic("Chart_Sections").
$Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';	'</td>';
$Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';	$Str .= '<td align="center"><b>'.&mt('Groups').'</b>'.
	'</td>';
	$Str .= '<td align="center"><b>'.&mt('Student Data</b>').
	&Apache::loncommon::help_open_topic("Chart_Student_Data").
	'</td>';
	$Str .= '<td align="center"><b>'.&mt('Access Status').'</b>'.
	&Apache::loncommon::help_open_topic("Chart_Enrollment_Status").
	'</td>';
	$Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b>'.
	&Apache::loncommon::help_open_topic("Chart_Sequences").
	'</td>';
$Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.	$Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
&Apache::loncommon::help_open_topic("Chart_Output_Formats").	&Apache::loncommon::help_open_topic("Chart_Output_Formats").
'</td>';	'</td>';
Line 324 sub CreateInterface {	Line 347 sub CreateInterface {
$Str .= '<tr><td align="center">'."\n";	$Str .= '<tr><td align="center">'."\n";
$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);	$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
$Str .= '</td><td align="center">';	$Str .= '</td><td align="center">';
my $only_seq_with_assessments = sub {	$Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
my $s=shift;	$Str .= '</td><td align="center">';
if ($s->{'num_assess'} < 1) {
return 0;
} else {
return 1;
}
};
$Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',	$Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
5,undef);	5,undef);
$Str .= '</td><td>'."\n";	$Str .= '</td><td>'."\n";
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);	$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
$Str .= '</td><td>'."\n";	$Str .= '</td><td>'."\n";
$Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,	$Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5);
$only_seq_with_assessments);
$Str .= '</td><td>'."\n";	$Str .= '</td><td>'."\n";
$Str .= &CreateAndParseOutputSelector();	$Str .= &CreateAndParseOutputSelector();
$Str .= '</td><td>'."\n";	$Str .= '</td><td>'."\n";
Line 353 sub CreateInterface {	Line 369 sub CreateInterface {
$Str .= ' 'x5;	$Str .= ' 'x5;
$Str .= '<input type="submit" name="ClearCache" value="'.	$Str .= '<input type="submit" name="ClearCache" value="'.
&mt('Clear Caches').'" />';	&mt('Clear Caches').'" />';
$Str .= ' 'x5;	$Str .= '<p>';
$Str .= '<br />';	$Str .=
	&mt('Status [_1]',
	'<input type="text" name="stats_status" size="60" value="" readonly="readonly" />');
	$Str .= '</p>';
return $Str;	return $Str;
}	}

Line 401 my @OutputOptions =	Line 420 my @OutputOptions =
},	},
{ name => 'CSV',	{ name => 'CSV',
value => 'csv',	value => 'csv',
description => 'Output a comma seperated values file suitable for '.	description => 'Output a comma separated values file suitable for '.
'import into a spreadsheet program. Using this method as opposed '.	'import into a spreadsheet program. Using this method as opposed '.
'to Excel output allows you to organize your data before importing'.	'to Excel output allows you to organize your data before importing'.
' it into a spreadsheet program.',	' it into a spreadsheet program.',
Line 429 sub CreateAndParseOutputSelector {	Line 448 sub CreateAndParseOutputSelector {
[$elementname]);	[$elementname]);
#	#
# Format for output options is 'mode, restrictions';	# Format for output options is 'mode, restrictions';
my $selected = 'html, without links';	my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
if (exists($ENV{'form.'.$elementname})) {	$selected = 'html, without links' if (!$selected);
if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
$selected = $ENV{'form.'.$elementname}->[0];
} else {
$selected = $ENV{'form.'.$elementname};
}
}
#	#
# Set package variables describing output mode	# Set package variables describing output mode
$show_links = 'no';	$show_links = 'no';
Line 473 my @OutputDataOptions =	Line 487 my @OutputDataOptions =
sequence_sum => 1,	sequence_sum => 1,
sequence_max => 1,	sequence_max => 1,
grand_total => 1,	grand_total => 1,
	grand_maximum => 1,
	summary_table => 1,
	maximum_row => 1,
	ignore_weight => 0,
shortdesc => 'Total Score and Maximum Possible for each '.	shortdesc => 'Total Score and Maximum Possible for each '.
'Sequence or Folder',	'Sequence or Folder',
longdesc => 'The score of each student as well as the '.	longdesc => 'The score of each student as well as the '.
Line 488 my @OutputDataOptions =	Line 506 my @OutputDataOptions =
sequence_sum => 1,	sequence_sum => 1,
sequence_max => 1,	sequence_max => 1,
grand_total => 1,	grand_total => 1,
	grand_maximum => 1,
	summary_table => 1,
	maximum_row => 1,
	ignore_weight => 0,
shortdesc => 'Score on each Problem Part',	shortdesc => 'Score on each Problem Part',
longdesc =>'The students score on each problem part, computed as'.	longdesc =>'The students score on each problem part, computed as'.
'the part weight * part awarded',	'the part weight * part awarded',
Line 502 my @OutputDataOptions =	Line 524 my @OutputDataOptions =
sequence_sum => 0,	sequence_sum => 0,
sequence_max => 0,	sequence_max => 0,
grand_total => 0,	grand_total => 0,
	grand_maximum => 0,
	summary_table => 0,
	maximum_row => 0,
	ignore_weight => 0,
shortdesc => 'Number of Tries before success on each Problem Part',	shortdesc => 'Number of Tries before success on each Problem Part',
longdesc =>'The number of tries before success on each problem part.',	longdesc =>'The number of tries before success on each problem part.',
	non_html_notes => 'negative values indicate an incorrect problem',
},	},
{ name =>'Parts Correct',	{ name =>'Parts Correct',
base =>'tries',	base =>'tries',
Line 515 my @OutputDataOptions =	Line 542 my @OutputDataOptions =
sequence_sum => 1,	sequence_sum => 1,
sequence_max => 1,	sequence_max => 1,
grand_total => 1,	grand_total => 1,
	grand_maximum => 1,
	summary_table => 1,
	maximum_row => 0,
	ignore_weight => 1,
shortdesc => 'Number of Problem Parts completed successfully.',	shortdesc => 'Number of Problem Parts completed successfully.',
longdesc => 'The Number of Problem Parts completed successfully and '.	longdesc => 'The Number of Problem Parts completed successfully and '.
'the maximum possible for each student',	'the maximum possible for each student',
Line 537 sub CreateAndParseOutputDataSelector {	Line 568 sub CreateAndParseOutputDataSelector {
my $Str = '';	my $Str = '';
my $elementname = 'chartoutputdata';	my $elementname = 'chartoutputdata';
#	#
my $selected = 'scores';	my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
if (exists($ENV{'form.'.$elementname})) {	$selected = 'scores' if (!$selected);
if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
$selected = $ENV{'form.'.$elementname}->[0];
} else {
$selected = $ENV{'form.'.$elementname};
}
}
#	#
$chosen_output = $OutputDataOptions[0];	$chosen_output = $OutputDataOptions[0];
foreach my $option (@OutputDataOptions) {	foreach my $option (@OutputDataOptions) {
Line 567 sub CreateAndParseOutputDataSelector {	Line 593 sub CreateAndParseOutputDataSelector {

#######################################################	#######################################################
#######################################################	#######################################################
	sub count_parts {
	my ($navmap,$sequence) = @_;
	my @resources = &get_resources($navmap,$sequence);
	my $count = 0;
	foreach my $res (@resources) {
	$count += scalar(@{$res->parts});
	}
	return $count;
	}

	sub get_resources {
	my ($navmap,$sequence) = @_;
	my @resources = $navmap->retrieveResources($sequence,
	sub { shift->is_problem(); },
	0,0,0);
	return @resources;
	}

	#######################################################
	#######################################################

=pod	=pod

Line 592 Return a line of the chart for a student	Line 638 Return a line of the chart for a student

my $nodata_count; # The number of students for which there is no data	my $nodata_count; # The number of students for which there is no data
my %prog_state; # progress state used by loncommon PrgWin routines	my %prog_state; # progress state used by loncommon PrgWin routines
	my $total_sum_width;

	my %width; # Holds sequence width information
	my @sequences;
	my $navmap; # Have to keep this around since weakref is a bit zealous

	sub html_cleanup {
	undef(%prog_state);
	undef(%width);
	#
	undef($navmap);
	undef(@sequences);
	}

sub html_initialize {	sub html_initialize {
my ($r) = @_;	my ($r) = @_;
Line 599 sub html_initialize {	Line 658 sub html_initialize {
$padding = ' 'x3;	$padding = ' 'x3;
$count = 0;	$count = 0;
$nodata_count = 0;	$nodata_count = 0;
undef(%prog_state);	&html_cleanup();
	($navmap,@sequences) =
	&Apache::lonstatistics::selected_sequences_with_assessments();
	if (! ref($navmap)) {
	# Unable to get data, so bail out
	$r->print("<h3>".
	&mt('Unable to retrieve course information.').
	'</h3>');
	}

	# If we're showing links, show a checkbox to open in new
	# windows.
	if ($show_links ne 'no') {
	my $labeltext = &mt('Show links in new window:');
	$r->print(<<NEW_WINDOW_CHECKBOX);
	<script type="text/javascript">new_window = true;</script>
	<p><label>$labeltext
	<input type="checkbox" checked="checked" onclick="new_window=this.checked" />
	</label></p>
	NEW_WINDOW_CHECKBOX
	}

#	#
$r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.	$r->print("<h3>".$env{'course.'.$env{'request.course.id'}.'.description'}.
"  ".localtime(time)."</h3>");	"  ".localtime(time)."</h3>");
	#
if ($chosen_output->{'base'} !~ /^final table/) {	if ($chosen_output->{'base'} !~ /^final table/) {
$r->print("<h3>".$chosen_output->{'shortdesc'}."</h3>");	$r->print("<h3>".&mt($chosen_output->{'shortdesc'})."</h3>");
}	}
my $Str = "<pre>\n";	my $Str = "<pre>\n";
# First, the @StudentData fields need to be listed	# First, the @StudentData fields need to be listed
Line 616 sub html_initialize {	Line 696 sub html_initialize {
my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};	my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
$Str .= $title.' 'x($width-$base).$padding;	$Str .= $title.' 'x($width-$base).$padding;
}	}
# Now the selected sequences need to be listed	#
foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){	# Compute the column widths and output the sequence titles
my $title = $sequence->{'title'};	my $total_count;
my $base = $sequence->{'base_width'};	#
my $width = $sequence->{'width'};	# Compute sequence widths
$Str .= $title.' 'x($width-$base).$padding;	my $starttime = Time::HiRes::time;
	foreach my $seq (@sequences) {
	my $symb = $seq->symb;
	my $title = $seq->compTitle;
	$width{$symb}->{'width_sum'} = 0;
	# Compute width of sum
	if ($chosen_output->{'sequence_sum'}) {
	if ($chosen_output->{'every_problem'}) {
	# Use 1 digit for a space
	$width{$symb}->{'width_sum'} += 1;
	}
	$total_count += &count_parts($navmap,$seq);
	# Use 6 digits for the sum
	$width{$symb}->{'width_sum'} += 6;
	}
	# Compute width of maximum
	if ($chosen_output->{'sequence_max'}) {
	if ($width{$symb}->{'width_sum'}>0) {
	# One digit for the '/'
	$width{$symb}->{'width_sum'} +=1;
	}
	# Use 6 digits for the total
	$width{$symb}->{'width_sum'}+=6;
	}
	#
	if ($chosen_output->{'every_problem'}) {
	# one problem per digit
	$width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
	$width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
	} else {
	$width{$symb}->{'width_problem'} = 0;
	}
	$width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} +
	$width{$symb}->{'width_sum'};
	if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
	$width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
	}
	#
	# Output the sequence titles
	$Str .= $title.(' 'x($width{$symb}->{'width_total'}-
	length($title)
	)).$padding;
}	}
$Str .= "total</pre>\n";	$total_sum_width = length($total_count)+1;
	$Str .= " total</pre>\n";
$Str .= "<pre>";	$Str .= "<pre>";
$r->print($Str);	$r->print($Str);
$r->rflush();	$r->rflush();

	$r->print(<<JS);
	<script type="text/javascript">
	// get the left offset of a given widget as an absolute position
	function getLeftOffset (element) {
	return collect(element, "offsetLeft");
	}

	// get the top offset of a given widget as an absolute position
	function getTopOffset (element) {
	return collect(element, "offsetTop");
	}

	function collect(element, att) {
	var val = 0;
	while(element) {
	val += element[att];
	element = element.offsetParent;
	}
	return val;
	}

	var currentDiv;
	var currentElement;
	function popup_score(element, score) {
	popdown_score();
	var left = getLeftOffset(element);
	var top = getTopOffset(element);
	var div = document.createElement("div");
	div.className = "LC_chrt_popup";
	div.appendChild(document.createTextNode(score));
	div.style.position = "absolute";
	div.style.top = (top - 25) + "px";
	div.style.left = (left - 10) + "px";
	currentDiv = div;
	document.body.insertBefore(div, document.body.childNodes[0]);
	element.className = "LC_chrt_popup_up";
	currentElement = element;
	}

	function popdown_score() {
	if (currentDiv) {
	document.body.removeChild(currentDiv);
	}
	if (currentElement) {
	currentElement.className = 'LC_chrt_popup_exists';
	}
	currentDiv = undefined;
	}
	</script>
	JS

	#
	# Let the user know what we are doing
	my $studentcount = scalar(@Apache::lonstatistics::Students);
	if ($env{'form.SelectedStudent'}) {
	$studentcount = '1';
	}
	#
	# Initialize progress window
	%prog_state=&Apache::lonhtmlcommon::Create_PrgWin
	($r,'HTML Chart Status',
	'HTML Chart Progress', $studentcount,
	'inline',undef,'Statistics','stats_status');
	#
	&Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
	'Processing first student');
return;	return;
}	}

sub html_outputstudent {	sub html_outputstudent {
my ($r,$student) = @_;	my ($r,$student) = @_;
my $Str = '';	my $Str = '';
	return if (! defined($navmap));
#	#
if($count++ % 5 == 0 && $count > 0) {	if($count++ % 5 == 0 && $count > 0) {
$r->print("</pre><pre>");	$r->print("</pre><pre>");
Line 641 sub html_outputstudent {	Line 831 sub html_outputstudent {
my @to_show = &get_student_fields_to_show();	my @to_show = &get_student_fields_to_show();
foreach my $field (@to_show) {	foreach my $field (@to_show) {
my $title=$student->{$field};	my $title=$student->{$field};
	# Deal with 'comments' - how I love special cases
	if ($field eq 'comments') {
	$title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
	}
my $base = length($title);	my $base = length($title);
my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};	my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
$Str .= $title.' 'x($width-$base).$padding;	$Str .= $title.' 'x($width-$base).$padding;
Line 649 sub html_outputstudent {	Line 843 sub html_outputstudent {
my %StudentsData;	my %StudentsData;
my @tmp = &Apache::loncoursedata::get_current_state	my @tmp = &Apache::loncoursedata::get_current_state
($student->{'username'},$student->{'domain'},undef,	($student->{'username'},$student->{'domain'},undef,
$ENV{'request.course.id'});	$env{'request.course.id'});
if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {	if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:(.*)/)) {
%StudentsData = @tmp;	%StudentsData = @tmp;
}	} else {
if (scalar(@tmp) < 1) {	my $error = $1;
	if (scalar(@tmp) < 1) {
	$Str .= '<span class="LC_warning">'
	.&mt('No Course Data')
	.'</span>'."\n";
	} else {
	$Str .= '<span class="LC_error">'
	.&mt('Error getting student data ([_1])',$error)
	.'</span>'."\n";
	}
$nodata_count++;	$nodata_count++;
$Str .= '<font color="blue">No Course Data</font>'."\n";
$r->print($Str);	$r->print($Str);
$r->rflush();	$r->rflush();
return;	return;
Line 664 sub html_outputstudent {	Line 866 sub html_outputstudent {
# By sequence build up the data	# By sequence build up the data
my $studentstats;	my $studentstats;
my $PerformanceStr = '';	my $PerformanceStr = '';
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {	foreach my $seq (@sequences) {
	my $symb = $seq->symb;
my ($performance,$performance_length,$score,$seq_max,$rawdata);	my ($performance,$performance_length,$score,$seq_max,$rawdata);
if ($chosen_output->{'tries'}) {	if ($chosen_output->{'tries'}) {
($performance,$performance_length,$score,$seq_max,$rawdata) =	($performance,$performance_length,$score,$seq_max,$rawdata) =
&StudentTriesOnSequence($student,\%StudentsData,	&student_tries_on_sequence($student,\%StudentsData,
$seq,$show_links);	$navmap,$seq,$show_links);
} else {	} else {
($performance,$performance_length,$score,$seq_max,$rawdata) =	($performance,$performance_length,$score,$seq_max,$rawdata) =
&StudentPerformanceOnSequence($student,\%StudentsData,	&student_performance_on_sequence($student,\%StudentsData,
$seq,$show_links);	$navmap,$seq,$show_links,
	$chosen_output->{ignore_weight});
	}
	my $ratio='';
	if ($chosen_output->{'every_problem'} &&
	$chosen_output->{'sequence_sum'}) {
	$ratio .= ' ';
	}
	if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
	my $score .= sprintf("%3.2f",$score);
	$ratio .= (' 'x(6-length($score))).$score;
	} elsif($chosen_output->{'sequence_sum'}) {
	$ratio .= ' 'x6;
}	}
my $ratio = sprintf("%3d",$score).'/'.sprintf("%3d",$seq_max);	if ($chosen_output->{'sequence_max'}) {
#	if ($chosen_output->{'sequence_sum'}) {
if ($chosen_output->{'sequence_sum'}) {	$ratio .= '/';
$performance = $ratio;	}
$performance .= ' 'x($seq->{'width'}-length($ratio));	my $sequence_total=sprintf("%3.2f",$seq_max);
} else {	$ratio .= $sequence_total.(' 'x(6-length($sequence_total)));
# Pad with extra spaces
$performance .= ' 'x($seq->{'width'}-$performance_length-
length($ratio)
).$ratio;
}	}
#	#
	if (! $chosen_output->{'every_problem'}) {
	$performance = '';
	$performance_length=0;
	}
	$performance .= ' 'x($width{$symb}->{'width_total'} -
	$performance_length -
	$width{$symb}->{'width_sum'}).
	$ratio;
	#
$Str .= $performance.$padding;	$Str .= $performance.$padding;
#	#
$studentstats->{$seq->{'symb'}}->{'score'}= $score;	$studentstats->{$symb}->{'score'}= $score;
$studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;	$studentstats->{$symb}->{'max'} = $seq_max;
}	}
#	#
# Total it up and store the statistics info.	# Total it up and store the statistics info.
my ($score,$max) = (0,0);	my ($score,$max);
while (my ($symb,$seq_stats) = each (%{$studentstats})) {	while (my ($symb,$seq_stats) = each (%{$studentstats})) {
$Statistics->{$symb}->{'score'} += $seq_stats->{'score'};	$Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {	if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
$Statistics->{$symb}->{'max'} = $seq_stats->{'max'};	$Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
}	}
$score += $seq_stats->{'score'};	if ($seq_stats->{'score'} ne ' ') {
	$score += $seq_stats->{'score'};
	$Statistics->{$symb}->{'num_students'}++;
	}
$max += $seq_stats->{'max'};	$max += $seq_stats->{'max'};
}	}
$Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max;	if (! defined($score)) {
	$score = ' ' x $total_sum_width;
	} else {
	$score = sprintf("%.2f",$score);
	$score = (' 'x(6-length($score))).$score;
	}
	$Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
$Str .= " \n";	$Str .= " \n";
#	#
$r->print($Str);	$r->print($Str);
#	#
$r->rflush();	$r->rflush();
	&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
return;	return;
}	}

sub html_finish {	sub html_finish {
my ($r) = @_;	my ($r) = @_;
	return if (! defined($navmap));
#	#
# Check for suppressed output and close the progress window if so	# Check for suppressed output and close the progress window if so
$r->print("</pre>\n");	$r->print("</pre>\n");
if ($single_student_mode) {	if ($chosen_output->{'summary_table'}) {
$r->print(&SingleStudentTotal());	if ($single_student_mode) {
} else {	$r->print(&SingleStudentTotal());
$r->print(&StudentAverageTotal());	} else {
	$r->print(&StudentAverageTotal());
	}
}	}
$r->rflush();	$r->rflush();
	&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
	&html_cleanup();
return;	return;
}	}

sub StudentAverageTotal {	sub StudentAverageTotal {
my $Str = "<h3>Summary Tables</h3>\n";	my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/;
my $num_students = scalar(@Apache::lonstatistics::Students);	$Str .= &Apache::loncommon::start_data_table();
my $total_ave = 0;	$Str .= &Apache::loncommon::start_data_table_header_row().
my $total_max = 0;	'<th>'.&mt('Title').'</th>'.
$Str .= '<table border=2 cellspacing="1">'."\n";	'<th>'.&mt('Average').'</th>'.
$Str .= "<tr><th>Title</th><th>Average</th><th>Maximum</th></tr>\n";	'<th>'.&mt('Maximum').'</th>'.
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {	&Apache::loncommon::end_data_table_header_row().$/;
	foreach my $seq (@sequences) {
	my $symb = $seq->symb;
my $ave;	my $ave;
if ($num_students > $nodata_count) {	my $num_students = $Statistics->{$symb}->{'num_students'};
$ave = int(100*($Statistics->{$seq->{'symb'}}->{'score'}/	if ($num_students > 0) {
($num_students-$nodata_count)))/100;	$ave = int(100*
	($Statistics->{$symb}->{'score'}/$num_students)
	)/100;
} else {	} else {
$ave = 0;	$ave = 0;
}	}
$total_ave += $ave;	my $max = $Statistics->{$symb}->{'max'};
my $max = $Statistics->{$seq->{'symb'}}->{'max'};
$total_max += $max;
$ave = sprintf("%.2f",$ave);	$ave = sprintf("%.2f",$ave);
$Str .= '<tr><td>'.$seq->{'title'}.'</td>'.	$Str .= &Apache::loncommon::start_data_table_row().
	'<td>'.$seq->compTitle.'</td>'.
'<td align="right">'.$ave.' </td>'.	'<td align="right">'.$ave.' </td>'.
'<td align="right">'.$max.' '.'</td></tr>'."\n";	'<td align="right">'.$max.' '.'</td>'.
	&Apache::loncommon::end_data_table_row()."\n";
}	}
$total_ave = sprintf('%.2f',$total_ave); # only two digit	$Str .= &Apache::loncommon::end_data_table()."\n";
$Str .= "</table>\n";
$Str .= '<table border=2 cellspacing="1">'."\n";
$Str .= '<tr><th>Number of Students</th><th>Average</th>'.
"<th>Maximum</th></tr>\n";
$Str .= '<tr>'.
'<td align="right">'.($num_students-$nodata_count).'</td>'.
'<td align="right">'.$total_ave.' '.'</td>'.
'<td align="right">'.$total_max.' '.'</td>';
$Str .= "</table>\n";
return $Str;	return $Str;
}	}

sub SingleStudentTotal {	sub SingleStudentTotal {
	return if (! defined($navmap));
my $student = &Apache::lonstatistics::current_student();	my $student = &Apache::lonstatistics::current_student();
my $Str = "<h3>Summary table for ".$student->{'fullname'}." ".	my $Str = '<h3>'.&mt('Summary table for [_1] ([_2]@[_3])',
$student->{'username'}.'@'.$student->{'domain'}."</h3>\n";	$student->{'fullname'},
$Str .= '<table border=2 cellspacing="1">'."\n";	$student->{'username'},$student->{'domain'}).'</h3>';
	$Str .= $/;
	$Str .= &Apache::loncommon::start_data_table()."\n";
$Str .=	$Str .=
"<tr><th>Sequence or Folder</th><th>Score</th><th>Maximum</th></tr>\n";	&Apache::loncommon::start_data_table_header_row().
	'<th>'.&mt('Sequence or Folder').'</th>';
	if ($chosen_output->{'base'} eq 'tries') {
	$Str .= '<th>'.&mt('Parts Correct').'</th>';
	} else {
	$Str .= '<th>'.&mt('Score').'</th>';
	}
	$Str .= '<th>'.&mt('Maximum').'</th>'.
	&Apache::loncommon::end_data_table_header_row()."\n";
my $total = 0;	my $total = 0;
my $total_max = 0;	my $total_max = 0;
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {	foreach my $seq (@sequences) {
my $value = $Statistics->{$seq->{'symb'}}->{'score'};	my $value = $Statistics->{$seq->symb}->{'score'};
my $max = $Statistics->{$seq->{'symb'}}->{'max'};	my $max = $Statistics->{$seq->symb}->{'max'};
$Str .= '<tr><td>'.$seq->{'title'}.'</td>'.	$Str .= &Apache::loncommon::start_data_table_row().
	'<td>'.&HTML::Entities::encode($seq->compTitle).'</td>'.
'<td align="right">'.$value.'</td>'.	'<td align="right">'.$value.'</td>'.
'<td align="right">'.$max.'</td></tr>'."\n";	'<td align="right">'.$max.'</td>'.
	&Apache::loncommon::end_data_table_row()."\n";
$total += $value;	$total += $value;
$total_max +=$max;	$total_max +=$max;
}	}
$Str .= '<tr><td><b>Total</b></td>'.	$Str .= &Apache::loncommon::start_data_table_row().
	'<td><b>'.&mt('Total').'</b></td>'.
'<td align="right">'.$total.'</td>'.	'<td align="right">'.$total.'</td>'.
'<td align="right">'.$total_max."</td></tr>\n";	'<td align="right">'.$total_max.'</td>'.
$Str .= "</table>\n";	&Apache::loncommon::end_data_table_row()."\n";
	$Str .= &Apache::loncommon::end_data_table()."\n";
return $Str;	return $Str;
}	}

Line 810 sub SingleStudentTotal {	Line 1055 sub SingleStudentTotal {

my $excel_sheet;	my $excel_sheet;
my $excel_workbook;	my $excel_workbook;
	my $format;

my $filename;	my $filename;
my $rows_output;	my $rows_output;
Line 819 my %prog_state; # progress window state	Line 1065 my %prog_state; # progress window state
my $request_aborted;	my $request_aborted;

my $total_formula;	my $total_formula;
	my $maximum_formula;
	my %formula_data;

sub excel_initialize {	my $navmap;
my ($r) = @_;	my @sequences;

	sub excel_cleanup {
#	#
undef ($excel_sheet);	undef ($excel_sheet);
undef ($excel_workbook);	undef ($excel_workbook);
Line 831 sub excel_initialize {	Line 1081 sub excel_initialize {
undef (%prog_state);	undef (%prog_state);
undef ($request_aborted);	undef ($request_aborted);
undef ($total_formula);	undef ($total_formula);
	undef ($maximum_formula);
	#
	undef(%formula_data);
	#
	undef($navmap);
	undef(@sequences);
	}

	sub excel_initialize {
	my ($r) = @_;

	&excel_cleanup();
	($navmap,@sequences) =
	&Apache::lonstatistics::selected_sequences_with_assessments();
	if (! ref($navmap)) {
	# Unable to get data, so bail out
	$r->print("<h3>".
	&mt('Unable to retrieve course information.').
	'</h3>');
	}
#	#
my $total_columns = scalar(&get_student_fields_to_show());	my $total_columns = scalar(&get_student_fields_to_show());
	my $num_students = scalar(@Apache::lonstatistics::Students);
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {	#
	foreach my $seq (@sequences) {
if ($chosen_output->{'every_problem'}) {	if ($chosen_output->{'every_problem'}) {
$total_columns += $seq->{'num_assess_parts'};	$total_columns+=&count_parts($navmap,$seq);
}	}
# Add 2 because we need a 'sequence_sum' and 'total' column for each	# Add 2 because we need a 'sequence_sum' and 'total' column for each
$total_columns += 2;	$total_columns += 2;
}	}
	my $too_many_cols_error_message =
	'<h2>'.&mt('Unable to Complete Request').'</h2>'.$/.
	'<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>'.$/.
	'<p>'.&mt('You may consider reducing the number of <b>Sequences or Folders</b> you have selected.').'</p>'.$/.
	'<p>'.&mt('LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the <b>Scores Summary</b> data.').'</p>'.$/;
if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {	if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
$r->print(<<END);	$r->print($too_many_cols_error_message);
<h2>Unable to Complete Request</h2>	$request_aborted = 1;
<p>
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>
You may consider reducing the number of <b>Sequences or Folders</b> you
have selected.
</p><p>
LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
summary data (<b>Parts Correct</b> or <b>Parts Correct & Totals</b>).
</p>
END
$request_aborted = 1;
}	}
if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {	if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
$r->print(<<END);	$r->print($too_many_cols_error_message);
<h2>Unable to Complete Request</h2>	$request_aborted = 1;
<p>
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>
You may consider reducing the number of <b>Sequences or Folders</b> you
have selected.
</p><p>
LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
<b>Scores Summary</b> data.
</p>
END
$request_aborted = 1;
}	}
return if ($request_aborted);	return if ($request_aborted);
#	#
$filename = '/prtspool/'.
$ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
time.'_'.rand(1000000000).'.xls';
#	#
$excel_workbook = undef;	$excel_workbook = undef;
$excel_sheet = undef;	$excel_sheet = undef;
Line 887 END	Line 1134 END
$rows_output = 0;	$rows_output = 0;
$cols_output = 0;	$cols_output = 0;
#	#
# Create sheet	# Determine rows
$excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);	my $header_row = $rows_output++;
	my $description_row = $rows_output++;
	my $notes_row = $rows_output++;
	$rows_output++; # blank row
	my $summary_header_row;
	if ($chosen_output->{'summary_table'}) {
	$summary_header_row = $rows_output++;
	$rows_output+= scalar(@sequences);
	$rows_output++;
	}
	my $sequence_name_row = $rows_output++;
	my $resource_name_row = $rows_output++;
	my $maximum_data_row = $rows_output++;
	if (! $chosen_output->{'maximum_row'}) {
	$rows_output--;
	}
	my $first_data_row = $rows_output++;
#	#
# Check for errors	# Create sheet
if (! defined($excel_workbook)) {	($excel_workbook,$filename,$format)=
$r->log_error("Error creating excel spreadsheet $filename: $!");	&Apache::loncommon::create_workbook($r);
$r->print("Problems creating new Excel file. ".	return if (! defined($excel_workbook));
"This error has been logged. ".
"Please alert your LON-CAPA administrator");
return ;
}
#
# The excel spreadsheet stores temporary data in files, then put them
# together. If needed we should be able to disable this (memory only).
# The temporary directory must be specified before calling 'addworksheet'.
# File::Temp is used to determine the temporary directory.
$excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
#	#
# Add a worksheet	# Add a worksheet
my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};	my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'};
$sheetname = &Apache::loncommon::clean_excel_name($sheetname);	$sheetname = &Apache::loncommon::clean_excel_name($sheetname);
$excel_sheet = $excel_workbook->addworksheet($sheetname);	$excel_sheet = $excel_workbook->addworksheet($sheetname);
#	#
# Define some potentially useful formats
my $format;
$format->{'header'} = $excel_workbook->add_format(bold => 1,
bottom => 1,
align => 'center');
$format->{'bold'} = $excel_workbook->add_format(bold=>1);
$format->{'h1'} = $excel_workbook->add_format(bold=>1, size=>18);
$format->{'h2'} = $excel_workbook->add_format(bold=>1, size=>16);
$format->{'h3'} = $excel_workbook->add_format(bold=>1, size=>14);
$format->{'date'} = $excel_workbook->add_format(num_format=>
'mmm d yyyy hh:mm AM/PM');
#
# Put the course description in the header	# Put the course description in the header
$excel_sheet->write($rows_output,$cols_output++,	$excel_sheet->write($header_row,$cols_output++,
$ENV{'course.'.$ENV{'request.course.id'}.'.description'},	$env{'course.'.$env{'request.course.id'}.'.description'},
$format->{'h1'});	$format->{'h1'});
$cols_output += 3;	$cols_output += 3;
#	#
# Put a description of the sections listed	# Put a description of the sections listed
my $sectionstring = '';	my $sectionstring = '';
my @Sections = @Apache::lonstatistics::SelectedSections;	my @Sections = &Apache::lonstatistics::get_selected_sections();
if (scalar(@Sections) > 1) {	$excel_sheet->write($header_row,$cols_output++,
if (scalar(@Sections) > 2) {	&Apache::lonstatistics::section_and_enrollment_description('plaintext'),
my $last = pop(@Sections);
$sectionstring = "Sections ".join(', ',@Sections).', and '.$last;
} else {
$sectionstring = "Sections ".join(' and ',@Sections);
}
} else {
if ($Sections[0] eq 'all') {
$sectionstring = "All sections";
} else {
$sectionstring = "Section ".$Sections[0];
}
}
$excel_sheet->write($rows_output,$cols_output++,$sectionstring,
$format->{'h3'});	$format->{'h3'});
$cols_output += scalar(@Sections);
#	#
# Put the date in there too	# Put the date in there too
$excel_sheet->write($rows_output++,$cols_output++,	$excel_sheet->write($header_row,$cols_output++,
'Compiled on '.localtime(time),$format->{'h3'});	'Compiled on '.localtime(time),$format->{'h3'});
#	#
$cols_output = 0;	$cols_output = 0;
$excel_sheet->write($rows_output++,$cols_output++,	$excel_sheet->write($description_row,$cols_output++,
$chosen_output->{'shortdesc'},	$chosen_output->{'shortdesc'},
$format->{'h3'});	$format->{'b'});
#	#
# Figure out the rows we need	$cols_output = 0;
my $sequence_name_row = $rows_output+1;	$excel_sheet->write($notes_row,$cols_output++,
my $resource_name_row = $sequence_name_row+1;	$chosen_output->{'non_html_notes'},
my $maximum_data_row = $sequence_name_row+2;	$format->{'i'});
my $first_data_row = $sequence_name_row+3;
	##############################################
	# Output headings for the raw data
	##############################################
#	#
# Add the student headers	# Add the student headers
$cols_output = 0;	$cols_output = 0;
Line 973 END	Line 1203 END
#	#
# Add the remaining column headers	# Add the remaining column headers
my $total_formula_string = '=0';	my $total_formula_string = '=0';
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {	my $maximum_formula_string = '=0';
	foreach my $seq (@sequences) {
	my $symb = $seq->symb;
$excel_sheet->write($sequence_name_row,,	$excel_sheet->write($sequence_name_row,,
$cols_output,$seq->{'title'},$format->{'h3'});	$cols_output,$seq->compTitle,$format->{'bold'});
# Determine starting cell	# Determine starting cell
$seq->{'Excel:startcell'}=	$formula_data{$symb}->{'Excel:startcell'}=
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
($maximum_data_row,$cols_output);	($first_data_row,$cols_output);
$seq->{'Excel:startcol'}=$cols_output;	$formula_data{$symb}->{'Excel:startcol'}=$cols_output;
my $count = 0;	my $count = 0;
if ($chosen_output->{'every_problem'}) {	if ($chosen_output->{'every_problem'}) {
# Put the names of the problems and parts into the sheet	# Put the names of the problems and parts into the sheet
foreach my $res (@{$seq->{'contents'}}) {	foreach my $res (&get_resources($navmap,$seq)) {
if ($res->{'type'} ne 'assessment' \|\|	if (scalar(@{$res->parts}) > 1) {
! exists($res->{'parts'}) \|\|	foreach my $part (@{$res->parts}) {
ref($res->{'parts'}) ne 'ARRAY' \|\|
scalar(@{$res->{'parts'}}) < 1) {
next;
}
if (scalar(@{$res->{'parts'}}) > 1) {
foreach my $part (@{$res->{'parts'}}) {
$excel_sheet->write($resource_name_row,	$excel_sheet->write($resource_name_row,
$cols_output++,	$cols_output++,
$res->{'title'}.' part '.$part,	$res->compTitle.' part '.$res->part_display($part),
$format->{'bold'});	$format->{'bold'});
	$count++;
}	}
} else {	} else {
$excel_sheet->write($resource_name_row,	$excel_sheet->write($resource_name_row,
$cols_output++,	$cols_output++,
$res->{'title'},$format->{'bold'});	$res->compTitle,$format->{'bold'});
	$count++;
}	}
$count++;
}	}
}	}
# Determine ending cell	# Determine ending cell
if ($count <= 1) {	if ($count <= 1) {
$seq->{'Excel:endcell'} = $seq->{'Excel:startcell'};	$formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
$seq->{'Excel:endcol'} = $seq->{'Excel:startcol'};	$formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'};
} else {	} else {
$seq->{'Excel:endcell'} =	$formula_data{$symb}->{'Excel:endcell'} =
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
($maximum_data_row,$cols_output-1);	($first_data_row,$cols_output-1);
$seq->{'Excel:endcol'} = $cols_output-1;	$formula_data{$symb}->{'Excel:endcol'} = $cols_output-1;
}	}
# Create the formula for summing up this sequence	# Create the formula for summing up this sequence
if (! exists($seq->{'Excel:endcell'}) \|\|	if (! exists($formula_data{$symb}->{'Excel:endcell'}) \|\|
! defined($seq->{'Excel:endcell'})) {	! defined($formula_data{$symb}->{'Excel:endcell'})) {
$seq->{'Excel:endcell'} = $seq->{'Excel:startcell'};	$formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
}	}
$seq->{'Excel:sum'}= $excel_sheet->store_formula
('=SUM('.$seq->{'Excel:startcell'}.	my $start = $formula_data{$symb}->{'Excel:startcell'};
':'.$seq->{'Excel:endcell'}.')');	my $end = $formula_data{$symb}->{'Excel:endcell'};
	$formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula
	("=IF(COUNT($start\:$end),SUM($start\:$end),\"\")");
# Determine cell the score is held in	# Determine cell the score is held in
$seq->{'Excel:scorecell'} =	$formula_data{$symb}->{'Excel:scorecell'} =
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
($maximum_data_row,$cols_output);	($first_data_row,$cols_output);
$seq->{'Excel:scorecol'}=$cols_output;	$formula_data{$symb}->{'Excel:scorecol'}=$cols_output;
if ($chosen_output->{'base'} eq 'parts correct total') {	if ($chosen_output->{'base'} eq 'parts correct total') {
$excel_sheet->write($resource_name_row,$cols_output++,	$excel_sheet->write($resource_name_row,$cols_output++,
'parts correct',	'parts correct',
Line 1048 END	Line 1277 END
#	#
$total_formula_string.='+'.	$total_formula_string.='+'.
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
($maximum_data_row,$cols_output-1);	($first_data_row,$cols_output-1);
if ($chosen_output->{'sequence_max'}) {	if ($chosen_output->{'sequence_max'}) {
$excel_sheet->write($resource_name_row,$cols_output++,	$excel_sheet->write($resource_name_row,$cols_output,
'maximum',	'maximum',
$format->{'bold'});	$format->{'bold'});
	$formula_data{$symb}->{'Excel:maxcell'} =
	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
	($first_data_row,$cols_output);
	$formula_data{$symb}->{'Excel:maxcol'}=$cols_output;
	$maximum_formula_string.='+'.
	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
	($first_data_row,$cols_output);
	$cols_output++;

}	}
}	}
if ($chosen_output->{'grand_total'}) {	if ($chosen_output->{'grand_total'}) {
$excel_sheet->write($resource_name_row,$cols_output++,'Total',	$excel_sheet->write($resource_name_row,$cols_output++,'Total',
$format->{'bold'});	$format->{'bold'});
}	}
	if ($chosen_output->{'grand_maximum'}) {
	$excel_sheet->write($resource_name_row,$cols_output++,'Max. Total',
	$format->{'bold'});
	}
$total_formula = $excel_sheet->store_formula($total_formula_string);	$total_formula = $excel_sheet->store_formula($total_formula_string);
#	$maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
	##############################################
# Output a row for MAX, if appropriate	# Output a row for MAX, if appropriate
if ($chosen_output->{'scores'}) {	##############################################
	if ($chosen_output->{'maximum_row'}) {
$cols_output = 0;	$cols_output = 0;
foreach my $field (&get_student_fields_to_show()) {	foreach my $field (&get_student_fields_to_show()) {
if ($field eq 'username' \|\| $field eq 'fullname' \|\|	if ($field eq 'username' \|\| $field eq 'fullname' \|\|
Line 1076 END	Line 1320 END
#	#
# Add the maximums for each sequence or assessment	# Add the maximums for each sequence or assessment
my %total_cell_translation;	my %total_cell_translation;
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {	my %maximum_cell_translation;
$cols_output=$seq->{'Excel:startcol'};	foreach my $seq (@sequences) {
$total_cell_translation{$seq->{'Excel:scorecell'}} =	my $symb = $seq->symb;
	$cols_output=$formula_data{$symb}->{'Excel:startcol'};
	$total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
($maximum_data_row,$seq->{'Excel:scorecol'});	($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
	$maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
	($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
my $weight;	my $weight;
my $max = 0;	my $max = 0;
foreach my $resource (@{$seq->{'contents'}}) {	foreach my $resource (&get_resources($navmap,$seq)) {
next if ($resource->{'type'} ne 'assessment');	foreach my $part (@{$resource->parts}){
foreach my $part (@{$resource->{'parts'}}) {
$weight = 1;	$weight = 1;
if ($chosen_output->{'scores'}) {	if ($chosen_output->{'scores'}) {
$weight = &Apache::lonnet::EXT	$weight = &Apache::lonnet::EXT
('resource.'.$part.'.weight',$resource->{'symb'},	('resource.'.$part.'.weight',$resource->symb,
undef,undef,undef);	undef,undef,undef);
if (!defined($weight) \|\| ($weight eq '')) {	if (!defined($weight) \|\| ($weight eq '')) {
$weight=1;	$weight=1;
Line 1106 END	Line 1354 END
#	#
if ($chosen_output->{'sequence_sum'} &&	if ($chosen_output->{'sequence_sum'} &&
$chosen_output->{'every_problem'}) {	$chosen_output->{'every_problem'}) {
my %replaceCells;	my %replaceCells=
$replaceCells{$seq->{'Excel:startcell'}} =	('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell	$formula_data{$symb}->{'Excel:endcell'}.'$' =>
($maximum_data_row,$seq->{'Excel:startcol'});	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
$replaceCells{$seq->{'Excel:endcell'}} =	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
($maximum_data_row,$seq->{'Excel:endcol'});
$excel_sheet->repeat_formula($maximum_data_row,$cols_output++,	$excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
$seq->{'Excel:sum'},undef,	$formula_data{$symb}->{'Excel:sum'},undef,
%replaceCells);	%replaceCells, %replaceCells);

} elsif ($chosen_output->{'sequence_sum'}) {	} elsif ($chosen_output->{'sequence_sum'}) {
$excel_sheet->write($maximum_data_row,$cols_output++,$max);	$excel_sheet->write($maximum_data_row,$cols_output++,$max);
}	}
Line 1129 END	Line 1376 END
$total_formula,undef,	$total_formula,undef,
%total_cell_translation);	%total_cell_translation);
}	}
} # End of MAXIMUM row output if ($chosen_output->{'scores'}) {	if ($chosen_output->{'grand_maximum'}) {
	$excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
	$maximum_formula,undef,
	%maximum_cell_translation);
	}
	} # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
$rows_output = $first_data_row;	$rows_output = $first_data_row;
	##############################################
	# Output summary table, which actually is above the sequence name row.
	##############################################
	if ($chosen_output->{'summary_table'}) {
	$cols_output = 0;
	$excel_sheet->write($summary_header_row,$cols_output++,
	'Summary Table',$format->{'bold'});
	if ($chosen_output->{'maximum_row'}) {
	$excel_sheet->write($summary_header_row,$cols_output++,
	'Maximum',$format->{'bold'});
	}
	$excel_sheet->write($summary_header_row,$cols_output++,
	'Average',$format->{'bold'});
	$excel_sheet->write($summary_header_row,$cols_output++,
	'Median',$format->{'bold'});
	$excel_sheet->write($summary_header_row,$cols_output++,
	'Std Dev',$format->{'bold'});
	my $row = $summary_header_row+1;
	foreach my $seq (@sequences) {
	my $symb = $seq->symb;
	$cols_output = 0;
	$excel_sheet->write($row,$cols_output++,
	$seq->compTitle,
	$format->{'bold'});
	if ($chosen_output->{'maximum_row'}) {
	$excel_sheet->write
	($row,$cols_output++,
	'='.
	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
	($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
	);
	}
	my $range =
	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
	($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
	':'.
	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
	($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'});
	$excel_sheet->write($row,$cols_output++,
	'=AVERAGE('.$range.')');
	$excel_sheet->write($row,$cols_output++,
	'=MEDIAN('.$range.')');
	$excel_sheet->write($row,$cols_output++,
	'=STDEV('.$range.')');
	$row++;
	}
	}
	##############################################
	# Take care of non-excel initialization
	##############################################
#	#
# Let the user know what we are doing	# Let the user know what we are doing
my $studentcount = scalar(@Apache::lonstatistics::Students);	my $studentcount = scalar(@Apache::lonstatistics::Students);
if ($ENV{'form.SelectedStudent'}) {	if ($env{'form.SelectedStudent'}) {
$studentcount = '1';	$studentcount = '1';
}	}
if ($studentcount > 1) {	$r->print('<p>'
$r->print('<h1>'.&mt('Compiling Excel spreadsheet for [_1] students',	.&mt('Compiling Excel spreadsheet for [quant,_1,student]...',$studentcount)
$studentcount)."</h1>\n");	."</p>\n"
} else {	);
$r->print('<h1>'.
&mt('Compiling Excel spreadsheet for 1 student').
"</h1>\n");
}
$r->rflush();	$r->rflush();
#	#
# Initialize progress window	# Initialize progress window
%prog_state=&Apache::lonhtmlcommon::Create_PrgWin	%prog_state=&Apache::lonhtmlcommon::Create_PrgWin
($r,'Excel File Compilation Status',	($r,'Excel File Compilation Status',
'Excel File Compilation Progress', $studentcount);	'Excel File Compilation Progress', $studentcount,
	'inline',undef,'Statistics','stats_status');
#	#
&Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,	&Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
'Processing first student');	'Processing first student');
Line 1159 END	Line 1458 END

sub excel_outputstudent {	sub excel_outputstudent {
my ($r,$student) = @_;	my ($r,$student) = @_;
return if ($request_aborted);	if ($request_aborted \|\| ! defined($navmap) \|\| ! defined($excel_sheet)) {
return if (! defined($excel_sheet));	return;
	}
$cols_output=0;	$cols_output=0;
#	#
# Write out student data	# Write out student data
my @to_show = &get_student_fields_to_show();	my @to_show = &get_student_fields_to_show();
foreach my $field (@to_show) {	foreach my $field (@to_show) {
$excel_sheet->write($rows_output,$cols_output++,$student->{$field});	my $value = $student->{$field};
	if ($field eq 'comments') {
	$value = &Apache::lonmsgdisplay::retrieve_instructor_comments
	($student->{'username'},$student->{'domain'});
	}
	$excel_sheet->write($rows_output,$cols_output++,$value);
}	}
#	#
# Get student assessment data	# Get student assessment data
Line 1174 sub excel_outputstudent {	Line 1479 sub excel_outputstudent {
my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},	my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
$student->{'domain'},	$student->{'domain'},
undef,	undef,
$ENV{'request.course.id'});	$env{'request.course.id'});
if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {	if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
%StudentsData = @tmp;	%StudentsData = @tmp;
}	}
#	#
# Write out sequence scores and totals data	# Write out sequence scores and totals data
my %total_cell_translation;	my %total_cell_translation;
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {	my %maximum_cell_translation;
$cols_output = $seq->{'Excel:startcol'};	foreach my $seq (@sequences) {
	my $symb = $seq->symb;
	$cols_output = $formula_data{$symb}->{'Excel:startcol'};
# Keep track of cells to translate in total cell	# Keep track of cells to translate in total cell
$total_cell_translation{$seq->{'Excel:scorecell'}} =	$total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} =
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
($rows_output,$seq->{'Excel:scorecol'});	($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
	# and maximum cell
	$maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} =
	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
	($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
#	#
my ($performance,$performance_length,$score,$seq_max,$rawdata);	my ($performance,$performance_length,$score,$seq_max,$rawdata);
if ($chosen_output->{'tries'} \|\| $chosen_output->{'correct'}){	if ($chosen_output->{'tries'} \|\| $chosen_output->{'correct'}){
($performance,$performance_length,$score,$seq_max,$rawdata) =	($performance,$performance_length,$score,$seq_max,$rawdata) =
&StudentTriesOnSequence($student,\%StudentsData,	&student_tries_on_sequence($student,\%StudentsData,
$seq,'no');	$navmap,$seq,'no');
} else {	} else {
($performance,$performance_length,$score,$seq_max,$rawdata) =	($performance,$performance_length,$score,$seq_max,$rawdata) =
&StudentPerformanceOnSequence($student,\%StudentsData,	&student_performance_on_sequence($student,\%StudentsData,
$seq,'no');	$navmap,$seq,'no',
	$chosen_output->{ignore_weight});
}	}
if ($chosen_output->{'every_problem'}) {	if ($chosen_output->{'every_problem'}) {
if ($chosen_output->{'correct'}) {	if ($chosen_output->{'correct'}) {
# only indiciate if each item is correct or not	# only indiciate if each item is correct or not
foreach my $value (@$rawdata) {	foreach my $value (@$rawdata) {
# nonzero means correct	# positive means correct, 0 or negative means
$value = 1 if ($value > 0);	# incorrect
	$value = $value > 0 ? 1 : 0;
$excel_sheet->write($rows_output,$cols_output++,$value);	$excel_sheet->write($rows_output,$cols_output++,$value);
}	}
} else {	} else {
foreach my $value (@$rawdata) {	foreach my $value (@$rawdata) {
$excel_sheet->write($rows_output,$cols_output++,$value);	if ($score eq ' ' \|\| !defined($value)) {
	$cols_output++;
	} else {
	$excel_sheet->write($rows_output,$cols_output++,
	$value);
	}
}	}
}	}
}	}
if ($chosen_output->{'sequence_sum'} &&	if ($chosen_output->{'sequence_sum'} &&
$chosen_output->{'every_problem'}) {	$chosen_output->{'every_problem'}) {
# Write a formula for the sum of this sequence	# Write a formula for the sum of this sequence
my %replaceCells;	my %replaceCells=
$replaceCells{$seq->{'Excel:startcell'}} =	('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell	=>
($rows_output,$seq->{'Excel:startcol'});	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
$replaceCells{$seq->{'Excel:endcell'}} =	&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell	);
($rows_output,$seq->{'Excel:endcol'});	# The undef is for the format
# The undef is for the format	$excel_sheet->repeat_formula($rows_output,$cols_output++,
if (scalar(keys(%replaceCells)) == 1) {	$formula_data{$symb}->{'Excel:sum'},undef,
$excel_sheet->repeat_formula($rows_output,$cols_output++,	%replaceCells, %replaceCells);
$seq->{'Excel:sum'},undef,	} elsif ($chosen_output->{'sequence_sum'}) {
%replaceCells,%replaceCells);	if ($score eq ' ') {
	$cols_output++;
} else {	} else {
$excel_sheet->repeat_formula($rows_output,$cols_output++,	$excel_sheet->write($rows_output,$cols_output++,$score);
$seq->{'Excel:sum'},undef,
%replaceCells);
}	}
} elsif ($chosen_output->{'sequence_sum'}) {
$excel_sheet->write($rows_output,$cols_output++,$score);
}	}
if ($chosen_output->{'sequence_max'}) {	if ($chosen_output->{'sequence_max'}) {
$excel_sheet->write($rows_output,$cols_output++,$seq_max);	$excel_sheet->write($rows_output,$cols_output++,$seq_max);
Line 1245 sub excel_outputstudent {	Line 1560 sub excel_outputstudent {
$total_formula,undef,	$total_formula,undef,
%total_cell_translation);	%total_cell_translation);
}	}
	if ($chosen_output->{'grand_maximum'}) {
	$excel_sheet->repeat_formula($rows_output,$cols_output++,
	$maximum_formula,undef,
	%maximum_cell_translation);
	}
#	#
# Bookkeeping	# Bookkeeping
$rows_output++;	$rows_output++;
Line 1257 sub excel_outputstudent {	Line 1577 sub excel_outputstudent {

sub excel_finish {	sub excel_finish {
my ($r) = @_;	my ($r) = @_;
return if ($request_aborted);	if ($request_aborted \|\| ! defined($navmap) \|\| ! defined($excel_sheet)) {
return if (! defined($excel_sheet));	&excel_cleanup();
	return;
	}
#	#
# Write the excel file	# Write the excel file
$excel_workbook->close();	$excel_workbook->close();
my $c = $r->connection();
#
return if($c->aborted());
#	#
# 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 excel file	# Tell the user where to get their excel file
$r->print('<br />'.	$r->print('<br />'.
'<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");	'<a href="'.$filename.'">'.&mt('Your Excel spreadsheet').'</a>'."\n");
$r->rflush();	$r->rflush();
	&excel_cleanup();
return;	return;
}	}

Line 1300 my $outputfile;	Line 1620 my $outputfile;
my $filename;	my $filename;
my $request_aborted;	my $request_aborted;
my %prog_state; # progress window state	my %prog_state; # progress window state
	my $navmap;
	my @sequences;

sub csv_initialize{	sub csv_cleanup {
my ($r) = @_;
#
# Clean up
undef($outputfile);	undef($outputfile);
undef($filename);	undef($filename);
undef($request_aborted);	undef($request_aborted);
undef(%prog_state);	undef(%prog_state);
#	#
	undef($navmap);
	undef(@sequences);
	}

	sub csv_initialize{
	my ($r) = @_;

	&csv_cleanup();
	($navmap,@sequences) =
	&Apache::lonstatistics::selected_sequences_with_assessments();
	if (! ref($navmap)) {
	# Unable to get data, so bail out
	$r->print("<h3>".
	&mt('Unable to retrieve course information.').
	'</h3>');
	}
	#
# Deal with unimplemented requests	# Deal with unimplemented requests
$request_aborted = undef;	$request_aborted = undef;
if ($chosen_output->{'base'} =~ /final table/) {	if ($chosen_output->{'base'} =~ /final table/) {
Line 1327 END	Line 1663 END
my $studentcount = scalar(@Apache::lonstatistics::Students);	my $studentcount = scalar(@Apache::lonstatistics::Students);
%prog_state=&Apache::lonhtmlcommon::Create_PrgWin	%prog_state=&Apache::lonhtmlcommon::Create_PrgWin
($r,'CSV File Compilation Status',	($r,'CSV File Compilation Status',
'CSV File Compilation Progress', $studentcount);	'CSV File Compilation Progress', $studentcount,
	'inline',undef,'Statistics','stats_status');
#	#
# Open a file	# Open a file
$filename = '/prtspool/'.	($outputfile,$filename) = &Apache::loncommon::create_text_file($r,'csv');
$ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.	if (! defined($outputfile)) { return ''; }
time.'_'.rand(1000000000).'.csv';
unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
$r->log_error("Couldn't open $filename for output $!");
$r->print("Problems occured in writing the csv file. ".
"This error has been logged. ".
"Please alert your LON-CAPA administrator.");
$outputfile = undef;
}
#	#
# Datestamp	# Datestamp
my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};	my $description = $env{'course.'.$env{'request.course.id'}.'.description'};
print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.	print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
'"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.	'"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
"\n";	"\n";
	print $outputfile '"'.
	&Apache::loncommon::csv_translate
	(&Apache::lonstatistics::section_and_enrollment_description()).
	'"'."\n";
	foreach my $item ('shortdesc','non_html_notes') {
	next if (! exists($chosen_output->{$item}));
	print $outputfile
	'"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'.
	"\n";
	}
#	#
# Print out the headings	# Print out the headings
my $sequence_row = '';	my $sequence_row = '';
Line 1354 END	Line 1693 END
$sequence_row .='"",';	$sequence_row .='"",';
$resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';	$resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
}	}
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {	foreach my $seq (@sequences) {
$sequence_row .= '"'.	$sequence_row .= '"'.
&Apache::loncommon::csv_translate($seq->{'title'}).'",';	&Apache::loncommon::csv_translate($seq->compTitle).'",';
my $count = 0;	my $count = 0;
if ($chosen_output->{'every_problem'}) {	if ($chosen_output->{'every_problem'}) {
foreach my $res (@{$seq->{'contents'}}) {	foreach my $res (&get_resources($navmap,$seq)) {
if ($res->{'type'} ne 'assessment' \|\|	if (scalar(@{$res->parts}) < 1) {
! exists($res->{'parts'}) \|\|
ref($res->{'parts'}) ne 'ARRAY' \|\|
scalar(@{$res->{'parts'}}) < 1) {
next;	next;
}	}
foreach my $part (@{$res->{'parts'}}) {	foreach my $part (@{$res->parts}) {
$resource_row .= '"'.	$resource_row .= '"'.
&Apache::loncommon::csv_translate($res->{'title'}.	&Apache::loncommon::csv_translate
', Part '.$part	($res->compTitle.', Part '.$res->part_display($part)).'",';
).'",';
$count++;	$count++;
}	}
}	}
Line 1392 END	Line 1727 END
$sequence_row.= '"",';	$sequence_row.= '"",';
$resource_row.= '"Total",';	$resource_row.= '"Total",';
}	}
	if ($chosen_output->{'grand_maximum'}) {
	$sequence_row.= '"",';
	$resource_row.= '"Maximum",';
	}
chomp($sequence_row);	chomp($sequence_row);
chomp($resource_row);	chomp($resource_row);
print $outputfile $sequence_row."\n";	print $outputfile $sequence_row."\n";
Line 1401 END	Line 1740 END

sub csv_outputstudent {	sub csv_outputstudent {
my ($r,$student) = @_;	my ($r,$student) = @_;
return if ($request_aborted);	if ($request_aborted \|\| ! defined($navmap) \|\| ! defined($outputfile)) {
return if (! defined($outputfile));	return;
	}
my $Str = '';	my $Str = '';
#	#
# Output student fields	# Output student fields
my @to_show = &get_student_fields_to_show();	my @to_show = &get_student_fields_to_show();
foreach my $field (@to_show) {	foreach my $field (@to_show) {
$Str .= '"'.&Apache::loncommon::csv_translate($student->{$field}).'",';	my $value = $student->{$field};
	if ($field eq 'comments') {
	$value = &Apache::lonmsgdisplay::retrieve_instructor_comments
	($student->{'username'},$student->{'domain'});
	}
	$Str .= '"'.&Apache::loncommon::csv_translate($value).'",';
}	}
#	#
# Get student assessment data	# Get student assessment data
Line 1416 sub csv_outputstudent {	Line 1761 sub csv_outputstudent {
my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},	my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
$student->{'domain'},	$student->{'domain'},
undef,	undef,
$ENV{'request.course.id'});	$env{'request.course.id'});
if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {	if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
%StudentsData = @tmp;	%StudentsData = @tmp;
}	}
#	#
# Output performance data	# Output performance data
my $total = 0;	my $total = 0;
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {	my $maximum = 0;
	foreach my $seq (@sequences) {
my ($performance,$performance_length,$score,$seq_max,$rawdata);	my ($performance,$performance_length,$score,$seq_max,$rawdata);
if ($chosen_output->{'tries'}){	if ($chosen_output->{'tries'}){
($performance,$performance_length,$score,$seq_max,$rawdata) =	($performance,$performance_length,$score,$seq_max,$rawdata) =
&StudentTriesOnSequence($student,\%StudentsData,	&student_tries_on_sequence($student,\%StudentsData,
$seq,'no');	$navmap,$seq,'no');
} else {	} else {
($performance,$performance_length,$score,$seq_max,$rawdata) =	($performance,$performance_length,$score,$seq_max,$rawdata) =
&StudentPerformanceOnSequence($student,\%StudentsData,	&student_performance_on_sequence($student,\%StudentsData,
$seq,'no');	$navmap,$seq,'no',
	$chosen_output->{ignore_weight});
}	}
if ($chosen_output->{'every_problem'}) {	if ($chosen_output->{'every_problem'}) {
if ($chosen_output->{'correct'}) {	if ($chosen_output->{'correct'}) {
Line 1456 sub csv_outputstudent {	Line 1803 sub csv_outputstudent {
$Str .= '"'.$seq_max.'",';	$Str .= '"'.$seq_max.'",';
}	}
$total+=$score;	$total+=$score;
	$maximum += $seq_max;
}	}
if ($chosen_output->{'grand_total'}) {	if ($chosen_output->{'grand_total'}) {
$Str .= '"'.$total.'",';	$Str .= '"'.$total.'",';
}	}
	if ($chosen_output->{'grand_maximum'}) {
	$Str .= '"'.$maximum.'",';
	}
chop($Str);	chop($Str);
$Str .= "\n";	$Str .= "\n";
print $outputfile $Str;	print $outputfile $Str;
Line 1471 sub csv_outputstudent {	Line 1822 sub csv_outputstudent {

sub csv_finish {	sub csv_finish {
my ($r) = @_;	my ($r) = @_;
return if ($request_aborted);	if ($request_aborted \|\| ! defined($navmap) \|\| ! defined($outputfile)) {
return if (! defined($outputfile));	&csv_cleanup();
	return;
	}
close($outputfile);	close($outputfile);
#	#
my $c = $r->connection();
return if ($c->aborted());
#
# 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.'">Your csv file.</a>'."\n");	'<a href="'.$filename.'">'.&mt('Your CSV file.').'</a>'."\n");
$r->rflush();	$r->rflush();
	&csv_cleanup();
return;	return;

}	}

}	}

	# This function will return an HTML string including a star, with
	# a mouseover popup showing the "real" value. An optional second
	# argument lets you show something other than a star.
	sub show_star {
	my $popup = shift;
	my $symbol = shift \|\| '*';
	# Escape the popup for JS.
	$popup =~ s/([^-a-zA-Z0-9:;,._ ()\|!\/?=&*])/'\\' . sprintf("%lo", ord($1))/ge;

	return "<span class=\"LC_chrt_popup_exists\" onmouseover='popup_score(this, \"$popup\");return false;' onmouseout='popdown_score();return false;'>$symbol</span>";
	}

#######################################################	#######################################################
#######################################################	#######################################################

Line 1516 Inputs:	Line 1879 Inputs:

#######################################################	#######################################################
#######################################################	#######################################################
sub StudentTriesOnSequence {	sub student_tries_on_sequence {
my ($student,$studentdata,$seq,$links) = @_;	my ($student,$studentdata,$navmap,$seq,$links) = @_;
$links = 'no' if (! defined($links));	$links = 'no' if (! defined($links));
my $Str = '';	my $Str = '';
my ($sum,$max) = (0,0);	my ($sum,$max) = (0,0);
my $performance_length = 0;	my $performance_length = 0;
my @TriesData = ();	my @TriesData = ();
my $tries;	my $tries;
foreach my $resource (@{$seq->{'contents'}}) {	my $hasdata = 0; # flag - true if the student has any data on the sequence
next if ($resource->{'type'} ne 'assessment');	foreach my $resource (&get_resources($navmap,$seq)) {
my $resource_data = $studentdata->{$resource->{'symb'}};	my $resource_data = $studentdata->{$resource->symb};
my $value = '';	my $value = '';
foreach my $partnum (@{$resource->{'parts'}}) {	foreach my $partnum (@{$resource->parts()}) {
$tries = undef;	$tries = undef;
$max++;	$max++;
$performance_length++;	$performance_length++;
Line 1548 sub StudentTriesOnSequence {	Line 1911 sub StudentTriesOnSequence {
my $tries = 0;	my $tries = 0;
if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {	if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
$tries = $resource_data->{'resource.'.$partnum.'.tries'};	$tries = $resource_data->{'resource.'.$partnum.'.tries'};
	$hasdata =1;
}	}
#	#
if ($awarded > 0) {	if ($awarded > 0) {
Line 1555 sub StudentTriesOnSequence {	Line 1919 sub StudentTriesOnSequence {
if ($status eq 'excused') {	if ($status eq 'excused') {
$symbol = 'x';	$symbol = 'x';
$max--;	$max--;
} elsif ($status eq 'correct_by_override') {	} elsif ($status eq 'correct_by_override' && !$resource->is_task()) {
$symbol = '+';	$symbol = '+';
$sum++;	$sum++;
} elsif ($tries > 0) {	} elsif ($tries > 0) {
if ($tries > 9) {	if ($tries > 9) {
$symbol = '*';	$symbol = show_star($tries);
} else {	} else {
$symbol = $tries;	$symbol = $tries;
}	}
Line 1577 sub StudentTriesOnSequence {	Line 1941 sub StudentTriesOnSequence {
} elsif ($status eq 'incorrect_by_override') {	} elsif ($status eq 'incorrect_by_override') {
$symbol = '-';	$symbol = '-';
} elsif ($status eq 'ungraded_attempted') {	} elsif ($status eq 'ungraded_attempted') {
$symbol = '#';	$symbol = 'u';
} elsif ($status eq 'incorrect_attempted' \|\|	} elsif ($status eq 'incorrect_attempted' \|\|
$tries > 0) {	$tries > 0) {
$symbol = '.';	$symbol = '.';
Line 1588 sub StudentTriesOnSequence {	Line 1952 sub StudentTriesOnSequence {
}	}
#	#
if (! defined($tries)) {	if (! defined($tries)) {
$tries = $symbol;	$tries = 0;
	}
	if ($status =~ /^(incorrect\|ungraded)/) {
	# Bug 3390: show '-' for tries on incorrect problems
	# (csv & excel only)
	push(@TriesData,-$tries);
	} else {
	push (@TriesData,$tries);
}	}
push (@TriesData,$tries);
#	#
if ( ($links eq 'yes' && $symbol ne ' ') \|\|	if ( ($links eq 'yes' && $symbol ne ' ') \|\|
($links eq 'all')) {	($links eq 'all')) {
if (length($symbol) > 1) {	my $link = '/adm/grades'.
&Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');	'?symb='.&escape($resource->shown_symb).
}
$symbol = '<a href="/adm/grades'.
'?symb='.&Apache::lonnet::escape($resource->{'symb'}).
'&student='.$student->{'username'}.	'&student='.$student->{'username'}.
'&userdom='.$student->{'domain'}.	'&userdom='.$student->{'domain'}.
'&command=submission">'.$symbol.'</a>';	'&command=submission';
	$symbol = &link($symbol, $link);
}	}
$value .= $symbol;	$value .= $symbol;
}	}
$Str .= $value;	$Str .= $value;
}	}
if ($seq->{'randompick'}) {	if ($seq->randompick()) {
$max = $seq->{'randompick'};	$max = $seq->randompick();
	}
	if (! $hasdata && $sum == 0) {
	$sum = ' ';
}	}
return ($Str,$performance_length,$sum,$max,\@TriesData);	return ($Str,$performance_length,$sum,$max,\@TriesData);
}	}

	=pod

	=item &link

	Inputs:

	=over 4

	=item $text

	=item $target

	=back

	Takes the text and creates a link to the $text that honors
	the value of 'new window' if clicked on, but uses a real
	'href' so middle and right clicks still work.

	$target and $text are assumed to be already correctly escaped; i.e., it
	can be dumped out directly into the output stream as-is.

	=cut

	sub link {
	my ($text,$target) = @_;
	return
	"<a href='$target' onclick=\"t=this.href;if(new_window)"
	."{window.open(t)}else{return void(window."
	."location=t)};return false;\">$text</a>";
	}

#######################################################	#######################################################
#######################################################	#######################################################

=pod	=pod

=item &StudentPerformanceOnSequence()	=item &student_performance_on_sequence

Inputs:	Inputs:

Line 1638 Inputs:	Line 2040 Inputs:

#######################################################	#######################################################
#######################################################	#######################################################
sub StudentPerformanceOnSequence {	sub student_performance_on_sequence {
my ($student,$studentdata,$seq,$links) = @_;	my ($student,$studentdata,$navmap,$seq,$links,$awarded_only) = @_;
$links = 'no' if (! defined($links));	$links = 'no' if (! defined($links));
my $Str = ''; # final result string	my $Str = ''; # final result string
my ($score,$max) = (0,0);	my ($score,$max) = (0,0);
Line 1647 sub StudentPerformanceOnSequence {	Line 2049 sub StudentPerformanceOnSequence {
my $symbol;	my $symbol;
my @ScoreData = ();	my @ScoreData = ();
my $partscore;	my $partscore;
foreach my $resource (@{$seq->{'contents'}}) {	my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
next if ($resource->{'type'} ne 'assessment');	foreach my $resource (&get_resources($navmap,$seq)) {
my $resource_data = $studentdata->{$resource->{'symb'}};	my $symb = $resource->symb;
foreach my $part (@{$resource->{'parts'}}) {	my $resource_data = $studentdata->{$symb};
	foreach my $part (@{$resource->parts()}) {
$partscore = undef;	$partscore = undef;
my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',	my $weight;
$resource->{'symb'},	if (!$awarded_only){
$student->{'domain'},	$weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
$student->{'username'},	$symb,
$student->{'section'});	$student->{'domain'},
	$student->{'username'},
	$student->{'section'});
	}
if (!defined($weight) \|\| ($weight eq '')) {	if (!defined($weight) \|\| ($weight eq '')) {
$weight=1;	$weight=1;
}	}
Line 1665 sub StudentPerformanceOnSequence {	Line 2071 sub StudentPerformanceOnSequence {
$performance_length++; # one character per part	$performance_length++; # one character per part
$symbol = ' '; # default to space	$symbol = ' '; # default to space
#	#
my $awarded = 0;	my $awarded;
if (exists($resource_data->{'resource.'.$part.'.awarded'})) {	if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
$awarded = $resource_data->{'resource.'.$part.'.awarded'};	$awarded = $resource_data->{'resource.'.$part.'.awarded'};
$awarded = 0 if (! $awarded);	$awarded = 0 if (! $awarded);
	$hasdata = 1;
}	}
#	#
$partscore = $weight*$awarded;	$partscore = &Apache::grades::compute_points($weight,$awarded);
	if (! defined($awarded)) {
	$partscore = undef;
	}
$score += $partscore;	$score += $partscore;
$symbol = $partscore;	$symbol = $partscore;
if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {	if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
$symbol = sprintf("%.0f",$symbol);	$symbol = sprintf("%.0f",$symbol);
}	}
if (length($symbol) > 1) {	if (length($symbol) > 1) {
$symbol = '*';	$symbol = show_star($symbol);
}	}
if (exists($resource_data->{'resource.'.$part.'.solved'})) {	if (exists($resource_data->{'resource.'.$part.'.solved'}) &&
	$resource_data->{'resource.'.$part.'.solved'} ne '') {
my $status = $resource_data->{'resource.'.$part.'.solved'};	my $status = $resource_data->{'resource.'.$part.'.solved'};
if ($status eq 'excused') {	if ($status eq 'excused') {
$symbol = 'x';	$symbol = 'x';
$max -= $weight; # Do not count 'excused' problems.	$max -= $weight; # Do not count 'excused' problems.
	} elsif ($status eq 'ungraded_attempted') {
	$symbol = 'u';
}	}
} else {	$hasdata = 1;
	} elsif ($resource_data->{'resource.'.$part.'.award'} eq 'DRAFT') {
	$symbol = 'd';
	$hasdata = 1;
	} elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
# Unsolved. Did they try?	# Unsolved. Did they try?
if (exists($resource_data->{'resource.'.$part.'.tries'})){	if (exists($resource_data->{'resource.'.$part.'.tries'})){
$symbol = '.';	$symbol = '.';
	$hasdata = 1;
} else {	} else {
$symbol = ' ';	$symbol = ' ';
}	}
Line 1701 sub StudentPerformanceOnSequence {	Line 2119 sub StudentPerformanceOnSequence {
push (@ScoreData,$partscore);	push (@ScoreData,$partscore);
#	#
if ( ($links eq 'yes' && $symbol ne ' ') \|\| ($links eq 'all')) {	if ( ($links eq 'yes' && $symbol ne ' ') \|\| ($links eq 'all')) {
$symbol = '<a href="/adm/grades'.	my $link = '/adm/grades' .
'?symb='.&Apache::lonnet::escape($resource->{'symb'}).	'?symb='.&escape($resource->shown_symb).
'&student='.$student->{'username'}.	'&student='.$student->{'username'}.
'&userdom='.$student->{'domain'}.	'&userdom='.$student->{'domain'}.
'&command=submission">'.$symbol.'</a>';	'&command=submission';
	$symbol = &link($symbol, $link);
}	}
$Str .= $symbol;	$Str .= $symbol;
}	}
}	}
	if (! $hasdata && $score == 0) {
	$score = ' ';
	}
return ($Str,$performance_length,$score,$max,\@ScoreData);	return ($Str,$performance_length,$score,$max,\@ScoreData);
}	}

Line 1730 problems.	Line 2152 problems.
#######################################################	#######################################################
sub CreateLegend {	sub CreateLegend {
my $Str = "<p><pre>".	my $Str = "<p><pre>".
" 1 correct by student in 1 try\n".	" digit score or number of tries to get correct ".
" 7 correct by student in 7 tries\n".
" * correct by student in more than 9 tries\n".	" * correct by student in more than 9 tries\n".
" + correct by hand grading or override\n".	" + correct by hand grading or override\n".
" - incorrect by override\n".	" - incorrect by override\n".
" . incorrect attempted\n".	" . incorrect attempted\n".
" # ungraded attempted\n".	" u ungraded attempted\n".
	" d draft answer saved but not submitted\n".
" not attempted (blank field)\n".	" not attempted (blank field)\n".
" x excused".	" x excused".
"</pre><p>";	"</pre><p>";

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

Removed from v.1.88
changed lines
	Added in v.1.155