+
+Please make your selections in the boxes above and hit
+the button marked "Update Display".
+
+
+ENDMSG
+ return;
+ }
+ #
+ #
+ my $initialize = \&html_initialize;
+ my $output_student = \&html_outputstudent;
+ my $finish = \&html_finish;
+ #
+ if ($output_mode eq 'excel') {
+ $initialize = \&excel_initialize;
+ $output_student = \&excel_outputstudent;
+ $finish = \&excel_finish;
+ } elsif ($output_mode eq 'csv') {
+ $initialize = \&csv_initialize;
+ $output_student = \&csv_outputstudent;
+ $finish = \&csv_finish;
+ }
#
- $r->print(&CreateTableHeadings());
if($c->aborted()) { return ; }
-
- my $Count = 0;
- $r->print(''."\n");
+ #
+ # Call the initialize routine selected above
+ $initialize->($r);
foreach my $student (@Apache::lonstatistics::Students) {
- if($c->aborted()) { return ; }
- $r->print(&ChartOutputStudent($student));
- # output it
-
- $Count++;
- if($Count % 5 == 0) {
- $r->print(" \n");
+ if($c->aborted()) {
+ $finish->($r);
+ return ;
}
-
- $r->rflush();
+ # Call the output_student routine selected above
+ $output_student->($r,$student);
}
- $r->print(' '."\n");
- my $Str;
+ # Call the "finish" routine selected above
+ $finish->($r);
+ #
return;
}
#######################################################
#######################################################
+sub get_student_fields_to_show {
+ my @to_show = @Apache::lonstatistics::SelectedStudentData;
+ foreach (@to_show) {
+ if ($_ eq 'all') {
+ @to_show = @Apache::lonstatistics::StudentDataOrder;
+ last;
+ }
+ }
+ return @to_show;
+}
+
+sub get_sequences_to_show {
+ my @Sequences;
+ foreach my $map_symb (@Apache::lonstatistics::SelectedMaps) {
+ foreach my $sequence (@Apache::lonstatistics::Sequences) {
+ next if ($sequence->{'symb'} ne $map_symb && $map_symb ne 'all');
+ next if ($sequence->{'num_assess'} < 1);
+ push (@Sequences,$sequence);
+ }
+ }
+ return @Sequences;
+}
+
+
+#######################################################
+#######################################################
+
=pod
=item &CreateInterface()
@@ -152,6 +233,7 @@ sub CreateInterface {
$Str .= 'Sections Student Data Sequences and Folders Output Format '."\n";
@@ -170,78 +252,137 @@ sub CreateInterface {
$Str .= ' '."\n";
$Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
$only_seq_with_assessments);
+ $Str .= ' '."\n";
+ $Str .= &CreateAndParseOutputSelector();
$Str .= ' /;
+ foreach my $option (@OutputOptions) {
+ $Str .= "\n".' {'value'} eq $selected);
+ $Str .= ">".$option->{'name'}."<\/option>";
+ }
+ $Str .= "\n ";
+ return $Str;
+}
#######################################################
#######################################################
=pod
-=item &CreateTableHeadings()
-
-Create HTML for the columns of student data to show.
-Called by &BuildStudentAssessmentPage(). Calls
-&Apache::lonhtmlcommon::CreateHeadings().
-
-Inputs:
-
-=over 4
-
-=item $cache The ubiquitous cache
-
-=item $spacing A string of spaces
-
-=item $infoKeys Array ref to names of keys to display from the cache
-which describe students
+=head2 HTML output routines
-=item $infoHeadings Array ref to headings of columns for student info
+=item &html_initialize($r)
-=item $sequenceKeys Array ref of names of keys to use to retrieve sequence
-data from the cache
+Create labels for the columns of student data to show.
-=item $sequenceHeadings Array ref of names of sequences used for output.
+=item &html_outputstudent($r,$student)
-=back
+Return a line of the chart for a student.
-Returns: A string containing the HTML of the table headings.
+=item &html_finish($r)
=cut
#######################################################
#######################################################
-sub CreateTableHeadings {
+{
+ my $padding;
+ my $count;
+
+sub html_initialize {
+ my ($r) = @_;
#
$padding = ' 'x3;
+ $count = 1;
#
- my $Str = '';
+ my $Str = "\n";
# First, the @StudentData fields need to be listed
- my @to_show = @Apache::lonstatistics::SelectedStudentData;
- foreach (@to_show) {
- if ($_ eq 'all') {
- @to_show = @Apache::lonstatistics::StudentDataOrder;
- last;
- }
- }
+ my @to_show = &get_student_fields_to_show();
foreach my $field (@to_show) {
my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
@@ -249,48 +390,27 @@ sub CreateTableHeadings {
$Str .= $title.' 'x($width-$base).$padding;
}
# Now the selected sequences need to be listed
- foreach my $map_symb (@Apache::lonstatistics::SelectedMaps) {
- foreach my $sequence (@Apache::lonstatistics::Sequences) {
- next if ($sequence->{'symb'} ne $map_symb && $map_symb ne 'all');
- next if ($sequence->{'num_assess'} < 1);
- my $title = $sequence->{'title'};
- my $base = $sequence->{'base_width'};
- my $width = $sequence->{'width'};
- $Str .= $title.' 'x($width-$base).$padding;
- }
+ foreach my $sequence (&get_sequences_to_show) {
+ my $title = $sequence->{'title'};
+ my $base = $sequence->{'base_width'};
+ my $width = $sequence->{'width'};
+ $Str .= $title.' 'x($width-$base).$padding;
}
- $Str .= 'total';
- $Str .= " \n";
- return $Str;
+ $Str .= "total (of shown problems) \n";
+ $Str .= "";
+ $r->print($Str);
+ $r->rflush();
+ return;
}
-#######################################################
-#######################################################
-
-=pod
-
-=item &ChartOutputStudent($student)
-
-Return a line of the chart for a student.
-
-=cut
-
-#######################################################
-#######################################################
-sub ChartOutputStudent {
- my $student = shift;
+sub html_outputstudent {
+ my ($r,$student) = @_;
my $Str = '';
# First, the @StudentData fields need to be listed
- my @to_show = @Apache::lonstatistics::SelectedStudentData;
- foreach (@to_show) {
- if ($_ eq 'all') {
- @to_show = @Apache::lonstatistics::StudentDataOrder;
- last;
- }
- }
+ my @to_show = &get_student_fields_to_show();
foreach my $field (@to_show) {
my $title=$student->{$field};
- my $base =scalar(my @Tmp = split(//,$title));
+ my $base = length($title);
my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
$Str .= $title.' 'x($width-$base).$padding;
}
@@ -304,22 +424,37 @@ sub ChartOutputStudent {
}
if (scalar(@tmp) < 1) {
$Str .= 'No Course Data '."\n";
- return $Str;
+ $r->print($Str);
+ $r->rflush();
+ return;
}
#
# By sequence build up the data
my $studentstats;
- foreach my $map_symb (@Apache::lonstatistics::SelectedMaps) {
- foreach my $seq (@Apache::lonstatistics::Sequences) {
- next if ($map_symb ne $seq->{'symb'} && $map_symb ne 'all');
- next if ($seq->{'num_assess'} < 1);
- my ($performance,$score,$seq_max) =
- &StudentPerformanceOnSequence($student,\%StudentsData,
- $seq,'linkify');
- $Str .= $performance.$padding;
- $studentstats->{$seq->{'symb'}}->{'score'}= $score;
- $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
+ my $PerformanceStr = '';
+ foreach my $seq (&get_sequences_to_show) {
+ my ($performance,$score,$seq_max) =
+ &StudentPerformanceOnSequence($student,\%StudentsData,
+ $seq,$show_links);
+ my $ratio = $score.'/'.$seq_max;
+ #
+ if ($show eq 'totals') {
+ $performance = ' 'x(length($seq_max)-length($score)).$ratio;
+ $performance .= ' 'x($seq->{'width'}-length($performance));
+ } elsif ($show eq 'scores') {
+ $performance = $score;
+ $performance .= ' 'x($seq->{'width'}-length($performance));
+ } else {
+ # Pad with extra spaces
+ $performance .= ' 'x($seq->{'width'}-$seq_max-
+ length($ratio)
+ ).$ratio;
}
+ #
+ $Str .= $performance.$padding;
+ #
+ $studentstats->{$seq->{'symb'}}->{'score'}= $score;
+ $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
}
#
# Total it up and store the statistics info.
@@ -330,24 +465,250 @@ sub ChartOutputStudent {
$score += $seq_stats->{'score'};
$max += $seq_stats->{'max'};
}
- my $scorelength = scalar(my @tmp1 = split(//,$score));
- my $maxlength = scalar(my @tmp2 = split(//,$max));
- $Str .= ' '.' 'x($maxlength-$scorelength).$score.'/'.$max;
+ $Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max;
$Str .= " \n";
- return $Str;
+ $r->print($Str);
+ #
+ $count++;
+ if($count % 5 == 0) {
+ $r->print(" ");
+ }
+ #
+ $r->rflush();
+ return;
}
+sub html_finish {
+ my ($r) = @_;
+ $r->print(" \n");
+ $r->rflush();
+ return;
+}
+
+}
+
#######################################################
#######################################################
=pod
-=back
+=head2 EXCEL subroutines
+
+=item &excel_initialize($r)
+
+=item &excel_outputstudent($r,$student)
+
+=item &excel_finish($r)
=cut
#######################################################
#######################################################
+{
+
+my $excel_sheet;
+my $excel_workbook;
+
+my $filename;
+my $rows_output;
+my $cols_output;
+
+my $num_students;
+my $start_time;
+
+sub excel_initialize {
+ my ($r) = @_;
+ #
+ $filename = '/prtspool/'.
+ $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
+ time.'_'.rand(1000000000).'.xls';
+ #
+ $excel_workbook = undef;
+ $excel_sheet = undef;
+ #
+ $rows_output = 0;
+ $cols_output = 0;
+ #
+ $num_students = 0;
+ $start_time = time;
+ #
+ # Create sheet
+ $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
+ #
+ # Check for errors
+ if (! defined($excel_workbook)) {
+ $r->log_error("Error creating excel spreadsheet $filename: $!");
+ $r->print("Problems creating new Excel file. ".
+ "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
+ $excel_sheet = $excel_workbook->addworksheet
+ ($ENV{'course.'.$ENV{'request.course.id'}.'.description'});
+ #
+ # Add the student headers
+ foreach my $field (&get_student_fields_to_show()) {
+ $excel_sheet->write(1,$cols_output++,$field);
+ }
+ #
+ # Add the Sequence Headers
+ foreach my $seq (&get_sequences_to_show) {
+ $excel_sheet->write(0,$cols_output,$seq->{'title'});
+ if ($show eq 'totals') {
+ $excel_sheet->write(1,$cols_output,'score');
+ $excel_sheet->write(1,$cols_output+1,'maximum');
+ $cols_output += 2;
+ } else {
+ $cols_output++;
+ }
+ }
+ #
+ # Bookkeeping
+ if ($show eq 'totals') {
+ $rows_output = 2;
+ } else {
+ $rows_output = 1;
+ }
+ #
+ # Let the user know what we are doing
+ my $studentcount = scalar(@Apache::lonstatistics::Students);
+ $r->print("Compiling Excel spreadsheet for ".
+ $studentcount.' student');
+ $r->print('s') if ($studentcount > 1);
+ $r->print(" \n");
+ $r->rflush();
+ #
+ return;
+}
+
+sub excel_outputstudent {
+ my ($r,$student) = @_;
+ return if (! defined($excel_sheet));
+ $cols_output=0;
+ #
+ # Write out student data
+ my @to_show = &get_student_fields_to_show();
+ foreach my $field (@to_show) {
+ $excel_sheet->write($rows_output,$cols_output++,$student->{$field});
+ }
+ #
+ # Get student assessment data
+ my %StudentsData;
+ my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
+ $student->{'domain'},
+ undef,
+ $ENV{'request.course.id'});
+ if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
+ %StudentsData = @tmp;
+ }
+ #
+ # Write out sequence scores and totals data
+ foreach my $seq (&get_sequences_to_show) {
+ my ($performance,$score,$seq_max) =
+ &StudentPerformanceOnSequence($student,\%StudentsData,
+ $seq,'no');
+ if ($show eq 'totals' || $show eq 'scores') {
+ $excel_sheet->write($rows_output,$cols_output++,$score);
+ }
+ if ($show eq 'totals') {
+ $excel_sheet->write($rows_output,$cols_output++,$seq_max);
+ }
+ }
+ #
+ # Bookkeeping
+ $rows_output++;
+ $cols_output=0;
+ #
+ # Time estimate
+ $num_students++;
+ if ($num_students % 10 == 0) {
+ my $time_est = (time - $start_time)/$num_students *
+ (scalar(@Apache::lonstatistics::Students)-$num_students);
+ $time_est = int($time_est);
+ if (int ($time_est/60) > 0) {
+ my $min = int($time_est/60);
+ my $sec = $time_est % 60;
+ $time_est = $min.' minutes';
+ if ($sec > 1) {
+ $time_est.= ', '.$sec.' seconds';
+ } elsif ($sec > 0) {
+ $time_est.= ', '.$sec.' second';
+ }
+ } else {
+ $time_est .= ' seconds';
+ }
+ $r->print($num_students.' out of '.
+ (scalar(@Apache::lonstatistics::Students)).
+ " students processed. ".
+ $time_est." remain. Your Excel spreadsheet. '."\n");
+ my $total_time = time - $start_time;
+ if (int ($total_time / 60) > 0) {
+ $total_time = int($total_time/60).' minutes, '.($total_time % 60);
+ }
+ $r->print('Not implemented yet ");
+ return;
+}
+
+sub csv_outputstudent {
+ my ($r,$student) = @_;
+}
+
+sub csv_finish {
+ my ($r) = @_;
+}
}
@@ -378,8 +739,8 @@ Inputs:
#######################################################
sub StudentPerformanceOnSequence {
my ($student,$studentdata,$seq,$links) = @_;
+ $links = 'no' if (! defined($links));
my $Str = '';
- my $output_width = 0;
my ($sum,$max) = (0,0);
foreach my $resource (@{$seq->{'contents'}}) {
next if ($resource->{'type'} ne 'assessment');
@@ -426,8 +787,7 @@ sub StudentPerformanceOnSequence {
}
}
#
- $output_width++;
- if (defined($links) && $symbol ne ' ') {
+ if ($links eq 'yes' && $symbol ne ' ') {
$symbol = '