'."\n";
+ return $Str;
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=item &CreateAndParseOutputSelector()
+
+=cut
+
+#######################################################
+#######################################################
+my @OutputOptions =
+ ({ name => 'HTML, with links',
+ value => 'html, with links',
+ description => 'Output HTML with each symbol linked to the problem '.
+ 'which generated it.',
+ mode => 'html',
+ show_links => 'yes',
+ },
+ { name => 'HTML, with all links',
+ value => 'html, with all links',
+ description => 'Output HTML with each symbol linked to the problem '.
+ 'which generated it. '.
+ 'This includes links for unattempted problems.',
+ mode => 'html',
+ show_links => 'all',
+ },
+ { name => 'HTML, without links',
+ value => 'html, without links',
+ description => 'Output HTML. By not including links, the size of the'.
+ ' web page is greatly reduced. If your browser crashes on the '.
+ 'full display, try this.',
+ mode => 'html',
+ show_links => 'no',
+ },
+ { name => 'Excel',
+ value => 'excel',
+ description => 'Output an Excel file (compatable with Excel 95).',
+ mode => 'excel',
+ show_links => 'no',
+ },
+# { name => 'multi-sheet Excel',
+# value => 'multi-sheet excel',
+# description => 'Output an Excel file (compatable with Excel 95), '.
+# 'with a seperate worksheet for each sequence you have selected '.
+# 'the data for each problem part '.
+# '(number of tries, status, points awarded) will be listed.',
+# mode => 'multi-sheet excel',
+# show_links => 'no',
+# },
+# { name => 'multi-sheet Excel, by section',
+# value => 'multi-sheet excel, by section',
+# description => 'Output an Excel file (compatable with Excel 95), '.
+# 'with a seperate worksheet for each sequence you have selected '.
+# 'the data for each problem part '.
+# '(number of tries, status, points awarded) will be listed. '.
+# 'There will be one Excel workbook for each section selected.',
+# mode => 'multi-sheet excel',
+# show_links => 'no',
+# },
+ { name => 'CSV',
+ value => 'csv',
+ description => 'Output a comma seperated values file suitable for '.
+ 'import into a spreadsheet.',
+ mode => 'csv',
+ show_links => 'no',
+ },
+ );
+
+sub OutputDescriptions {
+ my $Str = '';
+ $Str .= "
Output Modes
\n";
+ $Str .= "
\n";
+ foreach my $outputmode (@OutputOptions) {
+ $Str .="
".$outputmode->{'name'}."
\n";
+ $Str .="
".$outputmode->{'description'}."
\n";
+ }
+ $Str .= "
\n";
+ return $Str;
+}
+
+sub CreateAndParseOutputSelector {
+ my $Str = '';
+ my $elementname = 'chartoutputmode';
+ #
+ # Format for output options is 'mode, restrictions';
+ my $selected = 'html, without links';
+ if (exists($ENV{'form.'.$elementname})) {
+ if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
+ $selected = $ENV{'form.'.$elementname}->[0];
+ } else {
+ $selected = $ENV{'form.'.$elementname};
+ }
+ }
+ #
+ # Set package variables describing output mode
+ $show_links = 'no';
+ $output_mode = 'html';
+ foreach my $option (@OutputOptions) {
+ next if ($option->{'value'} ne $selected);
+ $output_mode = $option->{'mode'};
+ $show_links = $option->{'show_links'};
+ }
+
+ #
+ # Build the form element
+ $Str = qq/";
+ return $Str;
+}
+
+##
+## Data selector stuff
+##
+my @OutputDataOptions =
+ ( { name =>'Tries',
+ base =>'tries',
+ value => 'tries',
+ shortdesc => 'Number of Tries before success on each Problem Part',
+ longdesc =>'The number of tries before success on each problem part.',
+ },
+ { name =>'Parts Correct',
+ base =>'tries',
+ value => 'parts correct',
+ shortdesc => 'Number of Problem Parts completed successfully.',
+ longdesc => 'The Number of Problem Parts completed successfully.',
+ },
+ { name =>'Parts Correct & Maximums',
+ base =>'tries',
+ value => 'parts correct total',
+ shortdesc => 'Number of Problem Parts completed successfully.',
+ longdesc => 'The Number of Problem Parts completed successfully and '.
+ 'the maximum possible for each student',
+ },
+ { name => 'Scores',
+ base => 'scores',
+ value => 'scores',
+ shortdesc => 'Score on each Problem Part',
+ longdesc =>'The students score on each problem part, computed as'.
+ 'the part weight * part awarded',
+ },
+ { name => 'Scores Sum',
+ base => 'scores',
+ value => 'sum only',
+ shortdesc => 'Sum of Scores on each Problem Part',
+ longdesc =>'The total of the scores of the student on each problem'.
+ ' part in the sequences or folders selected.',
+ },
+ { name => 'Scores Sum & Maximums',
+ base => 'scores',
+ value => 'sum and total',
+ shortdesc => 'Total Score and Maximum Possible for each '.
+ 'Sequence or Folder',
+ longdesc => 'The total of the scores of the student on each problem'.
+ ' and the maximum possible for that student on each Sequence or '.
+ ' Folder.',
+ },
+ { name => 'Summary Table (Scores)',
+ base => 'scores',
+ value => 'final table scores',
+ shortdesc => 'Summary of Scores',
+ longdesc => '',
+ },
+ { name => 'Summary Table (Parts)',
+ base => 'tries',
+ value => 'final table parts',
+ shortdesc => 'Summary of Parts Correct',
+ longdesc => '',
+ }
+ );
+
+sub CreateAndParseOutputDataSelector {
+ my $Str = '';
+ my $elementname = 'chartoutputdata';
+ #
+ my $selected = 'scores';
+ if (exists($ENV{'form.'.$elementname})) {
+ if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
+ $selected = $ENV{'form.'.$elementname}->[0];
+ } else {
+ $selected = $ENV{'form.'.$elementname};
+ }
+ }
+ #
+ $data = 'scores';
+ foreach my $option (@OutputDataOptions) {
+ if ($option->{'value'} eq $selected) {
+ $data = $option->{'value'};
+ $base = $option->{'base'};
+ $datadescription = $option->{'shortdesc'};
+ }
+ }
+ #
+ # Build the form element
+ $Str = qq/";
+ return $Str;
+
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=head2 HTML output routines
+
+=item &html_initialize($r)
+
+Create labels for the columns of student data to show.
+
+=item &html_outputstudent($r,$student)
+
+Return a line of the chart for a student.
+
+=item &html_finish($r)
+
+=cut
+
+#######################################################
+#######################################################
+{
+ my $padding;
+ my $count;
+
+ my $nodata_count; # The number of students for which there is no data
+ my %prog_state; # progress state used by loncommon PrgWin routines
+
+sub html_initialize {
+ my ($r) = @_;
+ #
+ $padding = ' 'x3;
+ $count = 0;
+ $nodata_count = 0;
+ #
+ $r->print("
");
+ #
+ # Set up progress window for 'final table' display only
+ if ($data =~ /^final table/) {
+ my $studentcount = scalar(@Apache::lonstatistics::Students);
+ %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
+ ($r,'Summary Table Status',
+ 'Summary Table Compilation Progress', $studentcount);
+ }
+ my $Str = "
\n";
+ # First, the @StudentData fields need to be listed
+ 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'};
+ my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
+ $Str .= $title.' 'x($width-$base).$padding;
+ }
+ # Now the selected sequences need to be listed
+ foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
+ my $title = $sequence->{'title'};
+ my $base = $sequence->{'base_width'};
+ my $width = $sequence->{'width'};
+ $Str .= $title.' 'x($width-$base).$padding;
+ }
+ $Str .= "total
");
+ #
+ # Estimate the size of the file. We would like to have < 5 megs of data.
+ my $max_size = 5000000;
+ my $num_students = scalar(@Apache::lonstatistics::Students);
+ my $num_sequences = 0;
+ my $num_data_per_part = 2; # 'status' and 'numtries'
+ my $fields_per_student = scalar(&get_student_fields_to_show());
+ my $bytes_per_field = 20; # Back of the envelope calculation
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ $num_sequences++ if ($seq->{'num_assess'} > 0);
+ $fields_per_student += $num_data_per_part * $seq->{'num_assess_parts'};
+ }
+ my $size_estimate = $fields_per_student*$num_students*$bytes_per_field;
+ #
+ # Compute number of workbooks
+ my $num_workbooks = 1;
+ if ($size_estimate > $max_size) { # try to stay under 5 megs
+ $num_workbooks += int($size_estimate / $max_size);
+ }
+# if ($data eq ) {
+# if (@Apache::lonstatistics::SelectedSections > 1 &&
+# $Apache::lonstatistics::SelectedSections[0] ne 'all') {
+# $num_workbooks = scalar(@Apache::lonstatistics::SelectedSections);
+# } else {
+# # @Apache::lonstatistics::Sections contains 'all' as well.
+# $num_workbooks = scalar(@Apache::lonstatistics::Sections) - 1;
+# }
+# }
+
+ $r->print("Maximum allowed size: ".$max_size." bytes ");
+ $r->print("Number of students: ".$num_students." ");
+ $r->print("Number of fields per student: ".$fields_per_student." ");
+ $r->print("Total number of fields: ".($fields_per_student*$num_students).
+ " ");
+ $r->print("Bytes per field: ".$bytes_per_field." (estimated)"." ");
+ $r->print("Estimated size: ".$size_estimate." bytes ");
+ $r->print("Number of workbooks: ".$num_workbooks." ");
+ $r->rflush();
+ return;
+}
+
+sub multi_sheet_excel_outputstudent {
+ my ($r,$student) = @_;
+}
+
+sub multi_sheet_excel_finish {
+ my ($r) = @_;
+}
+
+}
+#######################################################
+#######################################################
+
+=pod
+
+=head2 EXCEL subroutines
+
+=item &excel_initialize($r)
+
+=item &excel_outputstudent($r,$student)
+
+=item &excel_finish($r)
+
+=cut
- my %cache;
+#######################################################
+#######################################################
+{
- my $Ptr = '';
- $Ptr .= '
';
+my $excel_sheet;
+my $excel_workbook;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- return 'Unable to tie database.';
- }
-
- my $selectedName = $cache{'StudentAssessmentStudent'};
- for(my $index=0;
- ($selectedName ne 'All Students') && ($index<(scalar @$students));
- $index++) {
- my $fullname = $cache{$students->[$index].':fullname'};
- if($fullname eq $selectedName) {
- if($cache{'StudentAssessmentMove'} eq 'next') {
- if($index == ((scalar @$students) - 1)) {
- $selectedName = $students->[0];
+my $filename;
+my $rows_output;
+my $cols_output;
+
+my %prog_state; # progress window state
+my $request_aborted;
+
+sub excel_initialize {
+ my ($r) = @_;
+ #
+ $request_aborted = undef;
+ my $total_columns = scalar(&get_student_fields_to_show());
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ # Add 2 because we need a 'sum' and 'total' column for each
+ $total_columns += $seq->{'num_assess_parts'}+2;
+ }
+ if ($data eq 'tries' && $total_columns > 255) {
+ $r->print(<Unable to Complete Request
+
+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.
+
+You may consider reducing the number of Sequences or Folders you
+have selected.
+
+LON-CAPA can produce CSV files of this data or Excel files of the
+summary data (Parts Correct or Parts Correct & Totals).
+
+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.
+
+You may consider reducing the number of Sequences or Folders you
+have selected.
+
+LON-CAPA can produce CSV files of this data or Excel files of the
+summary data (Scores Sum or Scores Sum & Totals).
+
+END
+ $request_aborted = 1;
+ }
+ if ($data =~ /^final table/) {
+ $r->print(<Unable to Complete Request
+
+The Summary Table (Scores) option is not available for non-HTML output.
+
+END
+ $request_aborted = 1;
+ }
+ return if ($request_aborted);
+ #
+ $filename = '/prtspool/'.
+ $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
+ time.'_'.rand(1000000000).'.xls';
+ #
+ $excel_workbook = undef;
+ $excel_sheet = undef;
+ #
+ $rows_output = 0;
+ $cols_output = 0;
+ #
+ # 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
+ my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+ if (length($sheetname) > 31) {
+ $sheetname = substr($sheetname,0,31);
+ }
+ $excel_sheet = $excel_workbook->addworksheet($sheetname);
+ #
+ # Put the course description in the header
+ $excel_sheet->write($rows_output,$cols_output++,
+ $ENV{'course.'.$ENV{'request.course.id'}.'.description'});
+ $cols_output += 3;
+ #
+ # Put a description of the sections listed
+ my $sectionstring = '';
+ my @Sections = @Apache::lonstatistics::SelectedSections;
+ if (scalar(@Sections) > 1) {
+ if (scalar(@Sections) > 2) {
+ 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);
+ $cols_output += scalar(@Sections);
+ #
+ # Put the date in there too
+ $excel_sheet->write($rows_output++,$cols_output++,
+ 'Compiled on '.localtime(time));
+ #
+ $cols_output = 0;
+ $excel_sheet->write($rows_output++,$cols_output++,$datadescription);
+ #
+ if ($data eq 'tries' || $data eq 'scores') {
+ $rows_output++;
+ }
+ #
+ # Add the student headers
+ $cols_output = 0;
+ foreach my $field (&get_student_fields_to_show()) {
+ $excel_sheet->write($rows_output,$cols_output++,$field);
+ }
+ my $row_offset = 0;
+ if ($data eq 'tries' || $data eq 'scores') {
+ $row_offset = -1;
+ }
+ #
+ # Add the remaining column headers
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ $excel_sheet->write($rows_output+$row_offset,
+ $cols_output,$seq->{'title'});
+ if ($data eq 'tries' || $data eq 'scores') {
+ foreach my $res (@{$seq->{'contents'}}) {
+ next if ($res->{'type'} ne 'assessment');
+ if (scalar(@{$res->{'parts'}}) > 1) {
+ foreach my $part (@{$res->{'parts'}}) {
+ $excel_sheet->write($rows_output,
+ $cols_output++,
+ $res->{'title'}.' part '.$part);
+ }
} else {
- $selectedName = $students->[$index+1];
+ $excel_sheet->write($rows_output,
+ $cols_output++,
+ $res->{'title'});
+ }
+ }
+ $excel_sheet->write($rows_output,$cols_output++,'score');
+ $excel_sheet->write($rows_output,$cols_output++,'maximum');
+ } elsif ($data eq 'sum and total' || $data eq 'parts correct total') {
+ $excel_sheet->write($rows_output+1,$cols_output,'score');
+ $excel_sheet->write($rows_output+1,$cols_output+1,'maximum');
+ $cols_output += 2;
+ } else {
+ $cols_output++;
+ }
+ }
+ #
+ # Bookkeeping
+ if ($data eq 'sum and total' || $data eq 'parts correct total') {
+ $rows_output += 2;
+ } else {
+ $rows_output += 1;
+ }
+ #
+ # Output a row for MAX
+ $cols_output = 0;
+ foreach my $field (&get_student_fields_to_show()) {
+ if ($field eq 'username' || $field eq 'fullname' ||
+ $field eq 'id') {
+ $excel_sheet->write($rows_output,$cols_output++,'Maximum');
+ } else {
+ $excel_sheet->write($rows_output,$cols_output++,'');
+ }
+ }
+ #
+ # Add the maximums for each sequence or assessment
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ my $weight;
+ my $max = 0;
+ foreach my $resource (@{$seq->{'contents'}}) {
+ next if ($resource->{'type'} ne 'assessment');
+ foreach my $part (@{$resource->{'parts'}}) {
+ $weight = 1;
+ if ($base eq 'scores') {
+ $weight = &Apache::lonnet::EXT
+ ('resource.'.$part.'.weight',$resource->{'symb'},
+ undef,undef,undef);
+ if (!defined($weight) || ($weight eq '')) {
+ $weight=1;
+ }
}
- } elsif($cache{'StudentAssessmentMove'} eq 'previous') {
- if($index == 0) {
- $selectedName = $students->[-1];
+ if ($data eq 'scores') {
+ $excel_sheet->write($rows_output,$cols_output++,$weight);
+ } elsif ($data eq 'tries') {
+ $excel_sheet->write($rows_output,$cols_output++,'');
+ }
+ $max += $weight;
+ }
+ }
+ if (! ($data eq 'sum only' || $data eq 'parts correct')) {
+ $excel_sheet->write($rows_output,$cols_output++,'');
+ }
+ $excel_sheet->write($rows_output,$cols_output++,$max);
+ }
+ $rows_output++;
+ #
+ # 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");
+ $r->rflush();
+ #
+ # Initialize progress window
+ %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
+ ($r,'Excel File Compilation Status',
+ 'Excel File Compilation Progress', $studentcount);
+ #
+ return;
+}
+
+sub excel_outputstudent {
+ my ($r,$student) = @_;
+ return if ($request_aborted);
+ 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 $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ my ($performance,$performance_length,$score,$seq_max,$rawdata);
+ if ($base eq 'tries') {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &StudentTriesOnSequence($student,\%StudentsData,
+ $seq,'no');
+ } else {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &StudentPerformanceOnSequence($student,\%StudentsData,
+ $seq,'no');
+ }
+ if ($data eq 'tries' || $data eq 'scores') {
+ foreach my $value (@$rawdata) {
+ $excel_sheet->write($rows_output,$cols_output++,$value);
+ }
+ $excel_sheet->write($rows_output,$cols_output++,$score);
+ $excel_sheet->write($rows_output,$cols_output++,$seq_max);
+ } elsif ($data eq 'sum and total' || $data eq 'sum only' ||
+ $data eq 'parts correct' || $data eq 'parts correct total') {
+ $excel_sheet->write($rows_output,$cols_output++,$score);
+ }
+ if ($data eq 'sum and total' || $data eq 'parts correct total') {
+ $excel_sheet->write($rows_output,$cols_output++,$seq_max);
+ }
+ }
+ #
+ # Bookkeeping
+ $rows_output++;
+ $cols_output=0;
+ #
+ # Update the progress window
+ &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
+ return;
+}
+
+sub excel_finish {
+ my ($r) = @_;
+ return if ($request_aborted);
+ return if (! defined($excel_sheet));
+ #
+ # Write the excel file
+ $excel_workbook->close();
+ my $c = $r->connection();
+ #
+ return if($c->aborted());
+ #
+ # Close the progress window
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ #
+ # Tell the user where to get their excel file
+ $r->print(' '.
+ 'Your Excel spreadsheet.'."\n");
+ $r->rflush();
+ return;
+}
+
+}
+#######################################################
+#######################################################
+
+=pod
+
+=head2 CSV output routines
+
+=item &csv_initialize($r)
+
+=item &csv_outputstudent($r,$student)
+
+=item &csv_finish($r)
+
+=cut
+
+#######################################################
+#######################################################
+{
+
+my $outputfile;
+my $filename;
+my $request_aborted;
+my %prog_state; # progress window state
+
+sub csv_initialize{
+ my ($r) = @_;
+ #
+ # Clean up
+ $filename = undef;
+ $outputfile = undef;
+ undef(%prog_state);
+ #
+ # Deal with unimplemented requests
+ $request_aborted = undef;
+ if ($data =~ /final table/) {
+ $r->print(<Unable to Complete Request
+
+The Summary Table (Scores) option is not available for non-HTML output.
+
+END
+ $request_aborted = 1;
+ }
+ return if ($request_aborted);
+
+ #
+ # Open a file
+ $filename = '/prtspool/'.
+ $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
+ 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
+ my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+ print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
+ '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
+ "\n";
+ #
+ # Print out the headings
+ my $Str = '';
+ my $Str2 = undef;
+ foreach my $field (&get_student_fields_to_show()) {
+ if ($data eq 'sum only') {
+ $Str .= '"'.&Apache::loncommon::csv_translate($field).'",';
+ } elsif ($data eq 'sum and total' || $data eq 'parts correct total') {
+ $Str .= '"",'; # first row empty on the student fields
+ $Str2 .= '"'.&Apache::loncommon::csv_translate($field).'",';
+ } elsif ($data eq 'scores' || $data eq 'tries' ||
+ $data eq 'parts correct') {
+ $Str .= '"",';
+ $Str2 .= '"'.&Apache::loncommon::csv_translate($field).'",';
+ }
+ }
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ if ($data eq 'sum only' || $data eq 'parts correct') {
+ $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
+ '",';
+ } elsif ($data eq 'sum and total' || $data eq 'parts correct total') {
+ $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
+ '","",';
+ $Str2 .= '"score","total possible",';
+ } elsif ($data eq 'scores' || $data eq 'tries') {
+ $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
+ '",';
+ $Str .= '"",'x($seq->{'num_assess_parts'}-1+2);
+ foreach my $res (@{$seq->{'contents'}}) {
+ next if ($res->{'type'} ne 'assessment');
+ foreach my $part (@{$res->{'parts'}}) {
+ $Str2 .= '"'.&Apache::loncommon::csv_translate($res->{'title'}.', Part '.$part).'",';
+ }
+ }
+ $Str2 .= '"score","total possible",';
+ }
+ }
+ chop($Str);
+ $Str .= "\n";
+ print $outputfile $Str;
+ if (defined($Str2)) {
+ chop($Str2);
+ $Str2 .= "\n";
+ print $outputfile $Str2;
+ }
+ #
+ # Initialize progress window
+ my $studentcount = scalar(@Apache::lonstatistics::Students);
+ %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
+ ($r,'CSV File Compilation Status',
+ 'CSV File Compilation Progress', $studentcount);
+ return;
+}
+
+sub csv_outputstudent {
+ my ($r,$student) = @_;
+ return if ($request_aborted);
+ return if (! defined($outputfile));
+ my $Str = '';
+ #
+ # Output student fields
+ my @to_show = &get_student_fields_to_show();
+ foreach my $field (@to_show) {
+ $Str .= '"'.&Apache::loncommon::csv_translate($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;
+ }
+ #
+ # Output performance data
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ my ($performance,$performance_length,$score,$seq_max,$rawdata);
+ if ($base eq 'tries') {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &StudentTriesOnSequence($student,\%StudentsData,
+ $seq,'no');
+ } else {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &StudentPerformanceOnSequence($student,\%StudentsData,
+ $seq,'no');
+ }
+ if ($data eq 'sum only' || $data eq 'parts correct') {
+ $Str .= '"'.$score.'",';
+ } elsif ($data eq 'sum and total' || $data eq 'parts correct total') {
+ $Str .= '"'.$score.'","'.$seq_max.'",';
+ } elsif ($data eq 'scores' || $data eq 'tries') {
+ $Str .= '"'.join('","',(@$rawdata,$score,$seq_max)).'",';
+ }
+ }
+ chop($Str);
+ $Str .= "\n";
+ print $outputfile $Str;
+ #
+ # Update the progress window
+ &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
+ return;
+}
+
+sub csv_finish {
+ my ($r) = @_;
+ return if ($request_aborted);
+ return if (! defined($outputfile));
+ close($outputfile);
+ #
+ my $c = $r->connection();
+ return if ($c->aborted());
+ #
+ # Close the progress window
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ #
+ # Tell the user where to get their csv file
+ $r->print(' '.
+ 'Your csv file.'."\n");
+ $r->rflush();
+ return;
+
+}
+
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=item &StudentTriesOnSequence()
+
+Inputs:
+
+=over 4
+
+=item $student
+
+=item $studentdata Hash ref to all student data
+
+=item $seq Hash ref, the sequence we are working on
+
+=item $links if defined we will output links to each resource.
+
+=back
+
+=cut
+
+#######################################################
+#######################################################
+sub StudentTriesOnSequence {
+ my ($student,$studentdata,$seq,$links) = @_;
+ $links = 'no' if (! defined($links));
+ my $Str = '';
+ my ($sum,$max) = (0,0);
+ my $performance_length = 0;
+ my @TriesData = ();
+ my $tries;
+ foreach my $resource (@{$seq->{'contents'}}) {
+ next if ($resource->{'type'} ne 'assessment');
+ my $resource_data = $studentdata->{$resource->{'symb'}};
+ my $value = '';
+ foreach my $partnum (@{$resource->{'parts'}}) {
+ $tries = undef;
+ $max++;
+ $performance_length++;
+ my $symbol = ' '; # default to space
+ #
+ if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
+ my $status = $resource_data->{'resource.'.$partnum.'.solved'};
+ if ($status eq 'correct_by_override') {
+ $symbol = '+';
+ $sum++;
+ } elsif ($status eq 'incorrect_by_override') {
+ $symbol = '-';
+ } elsif ($status eq 'ungraded_attempted') {
+ $symbol = '#';
+ } elsif ($status eq 'incorrect_attempted') {
+ $symbol = '.';
+ } elsif ($status eq 'excused') {
+ $symbol = 'x';
+ $max--;
+ } elsif ($status eq 'correct_by_student' &&
+ exists($resource_data->{'resource.'.$partnum.'.tries'})){
+ $tries = $resource_data->{'resource.'.$partnum.'.tries'};
+ if ($tries > 9) {
+ $symbol = '*';
+ } elsif ($tries > 0) {
+ $symbol = $tries;
+ } else {
+ $symbol = ' ';
+ }
+ $sum++;
+ } elsif (exists($resource_data->{'resource.'.
+ $partnum.'.tries'})){
+ $symbol = '.';
} else {
- $selectedName = $students->[$index-1];
+ $symbol = ' ';
}
} else {
- $selectedName = $students->[$index];
+ # Unsolved. Did they try?
+ if (exists($resource_data->{'resource.'.$partnum.'.tries'})){
+ $symbol = '.';
+ } else {
+ $symbol = ' ';
+ }
}
- last;
+ #
+ if (! defined($tries)) {
+ $tries = $symbol;
+ }
+ push (@TriesData,$tries);
+ #
+ if ( ($links eq 'yes' && $symbol ne ' ') ||
+ ($links eq 'all')) {
+ if (length($symbol) > 1) {
+ &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
+ }
+ $symbol = ''.$symbol.'';
+ }
+ $value .= $symbol;
}
+ $Str .= $value;
+ }
+ if ($seq->{'randompick'}) {
+ $max = $seq->{'randompick'};
}
+ return ($Str,$performance_length,$sum,$max,\@TriesData);
+}
- $Ptr .= '
';
- }
-
- return $Ptr;
-}
-
-#---- Student Assessment Web Page --------------------------------------------
-
-# ------ Create different Student Report
-sub StudentReport {
- my ($cache, $name)=@_;
-
- my $Str = '';
- if($cache->{$name.':error'} =~ /course/) {
- my ($username)=split(':',$name);
- $Str .= 'No course data for student ';
- $Str .= ''.$username.'. ';
- return $Str;
- }
-
- $Str .= "
\#
Set Title
";
- $Str .= '
Results
Tries
'."\n";
-
- my $codes;
- my $attempts;
- foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
- if($cache->{'StudentAssessmentMap'} ne 'All Maps' &&
- $cache->{'StudentAssessmentMap'} ne $cache->{$sequence.':title'}) {
- next;
- }
-
- $Str .= '
'.$sequence.'
';
- $Str .= '
'.$cache->{$sequence.':title'}.'
';
-
- $codes = '';
- $attempts = '';
- foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
- my $problem = $cache->{$problemID.':problem'};
- my $LatestVersion = $cache->{$name.':version:'.$problem};
-
- # Output dashes for all the parts of this problem if there
- # is no version information about the current problem.
- if(!$LatestVersion) {
- foreach my $part (split(/\:/,$cache->{$sequence.':'.
- $problemID.
- ':parts'})) {
- $codes .= "-,";
- $attempts .= "0,";
- }
- next;
- }
-
- my %partData=undef;
- # Initialize part data, display skips correctly
- # Skip refers to when a student made no submissions on that
- # part/problem.
- foreach my $part (split(/\:/,$cache->{$sequence.':'.
- $problemID.
- ':parts'})) {
- $partData{$part.':tries'}=0;
- $partData{$part.':code'}='-';
- }
-
- # Looping through all the versions of each part, starting with the
- # oldest version. Basically, it gets the most recent
- # set of grade data for each part.
- for(my $Version=1; $Version<=$LatestVersion; $Version++) {
- foreach my $part (split(/\:/,$cache->{$sequence.':'.
- $problemID.
- ':parts'})) {
-
- if(!defined($cache->{$name.":$Version:$problem".
- ":resource.$part.solved"})) {
- # No grade for this submission, so skip
- next;
- }
+#######################################################
+#######################################################
+
+=pod
- my $tries=0;
- my $code='U';
+=item &StudentPerformanceOnSequence()
- $tries = $cache->{$name.":$Version:$problem".
- ":resource.$part.tries"};
- $partData{$part.':tries'}=($tries) ? $tries : 0;
-
- my $val = $cache->{$name.":$Version:$problem".
- ":resource.$part.solved"};
- if ($val eq 'correct_by_student') {$code = 'Y';}
- elsif ($val eq 'correct_by_override') {$code = 'y';}
- elsif ($val eq 'incorrect_attempted') {$code = 'N';}
- elsif ($val eq 'incorrect_by_override'){$code = 'N';}
- elsif ($val eq 'excused') {$code = 'x';}
- $partData{$part.':code'}=$code;
+Inputs:
+
+=over 4
+
+=item $student
+
+=item $studentdata Hash ref to all student data
+
+=item $seq Hash ref, the sequence we are working on
+
+=item $links if defined we will output links to each resource.
+
+=back
+
+=cut
+
+#######################################################
+#######################################################
+sub StudentPerformanceOnSequence {
+ my ($student,$studentdata,$seq,$links) = @_;
+ $links = 'no' if (! defined($links));
+ my $Str = ''; # final result string
+ my ($score,$max) = (0,0);
+ my $performance_length = 0;
+ my $symbol;
+ my @ScoreData = ();
+ my $partscore;
+ foreach my $resource (@{$seq->{'contents'}}) {
+ next if ($resource->{'type'} ne 'assessment');
+ my $resource_data = $studentdata->{$resource->{'symb'}};
+ foreach my $part (@{$resource->{'parts'}}) {
+ $partscore = undef;
+ my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
+ $resource->{'symb'},
+ $student->{'domain'},
+ $student->{'username'},
+ $student->{'section'});
+ if (!defined($weight) || ($weight eq '')) {
+ $weight=1;
+ }
+ #
+ $max += $weight; # see the 'excused' branch below...
+ $performance_length++; # one character per part
+ $symbol = ' '; # default to space
+ #
+ my $awarded = 0;
+ if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
+ $awarded = $resource_data->{'resource.'.$part.'.awarded'};
+ }
+ #
+ $partscore = $weight*$awarded;
+ $score += $partscore;
+ $symbol = $weight;
+ if (length($symbol) > 1) {
+ $symbol = '*';
+ }
+ if (exists($resource_data->{'resource.'.$part.'.solved'})) {
+ my $status = $resource_data->{'resource.'.$part.'.solved'};
+ if ($status eq 'excused') {
+ $symbol = 'x';
+ $max -= $weight; # Do not count 'excused' problems.
+ }
+ } else {
+ # Unsolved. Did they try?
+ if (exists($resource_data->{'resource.'.$part.'.tries'})){
+ $symbol = '.';
+ } else {
+ $symbol = ' ';
}
}
-
- # Loop through all the parts for the current problem in the
- # correct order and prepare the output
- foreach (split(/\:/,$cache->{$sequence.':'.$problemID.
- ':parts'})) {
- $codes .= $partData{$_.':code'}.',';
- $attempts .= $partData{$_.':tries'}.',';
- }
- }
- $codes =~ s/,$//;
- $attempts =~ s/,$//;
- $Str .= '
'."\n";
+#######################################################
+#######################################################
+=pod
+
+=item &CreateLegend()
+
+This function returns a formatted string containing the legend for the
+chart. The legend describes the symbols used to represent grades for
+problems.
+
+=cut
+
+#######################################################
+#######################################################
+sub CreateLegend {
+ my $Str = "
".
+ " 1 correct by student in 1 try\n".
+ " 7 correct by student in 7 tries\n".
+ " * correct by student in more than 9 tries\n".
+ " + correct by hand grading or override\n".
+ " - incorrect by override\n".
+ " . incorrect attempted\n".
+ " # ungraded attempted\n".
+ " not attempted (blank field)\n".
+ " x excused".
+ "