'."\n");
- foreach my $student (@Apache::lonstatistics::Students) {
- if($c->aborted()) { return ; }
- $r->print(&ChartOutputStudent($student));
- # output it
-
- $Count++;
- if($Count % 5 == 0) {
- $r->print("\n");
- }
-
+ #
+ # Determine which students we want to look at
+ my @Students;
+ if ($single_student_mode) {
+ @Students = (&Apache::lonstatistics::current_student());
+ $r->print(&next_and_previous_buttons());
$r->rflush();
+ } else {
+ @Students = @Apache::lonstatistics::Students;
}
- $r->print(''."\n");
- my $Str;
+ #
+ # Perform generic initialization tasks
+ # Since we use lonnet::EXT to retrieve problem weights,
+ # to ensure current data we must clear the caches out.
+ # This makes sure that parameter changes at the student level
+ # are immediately reflected in the chart.
+ &Apache::lonnet::clear_EXT_cache_status();
+ #
+ # Clean out loncoursedata's package data, just to be safe.
+ &Apache::loncoursedata::clear_internal_caches();
+ #
+ # Call the initialize routine selected above
+ $initialize->($r);
+ foreach my $student (@Students) {
+ if($c->aborted()) {
+ $finish->($r);
+ return ;
+ }
+ # Call the output_student routine selected above
+ $output_student->($r,$student);
+ }
+ # Call the "finish" routine selected above
+ $finish->($r);
+ #
return;
}
#######################################################
#######################################################
+sub next_and_previous_buttons {
+ my $Str = '';
+ $Str .= '';
+ #
+ # Build the previous student link
+ my $previous = &Apache::lonstatistics::previous_student();
+ my $previousbutton = '';
+ if (defined($previous)) {
+ my $sname = $previous->{'username'}.':'.$previous->{'domain'};
+ $previousbutton .= '';
+ } else {
+ $previousbutton .= '';
+ }
+ #
+ # Build the next student link
+ my $next = &Apache::lonstatistics::next_student();
+ my $nextbutton = '';
+ if (defined($next)) {
+ my $sname = $next->{'username'}.':'.$next->{'domain'};
+ $nextbutton .= '';
+ } else {
+ $nextbutton .= '';
+ }
+ #
+ # Build the 'all students' button
+ my $all = '';
+ $all .= '';
+ $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
+ return $Str;
+}
+
+#######################################################
+#######################################################
+
+sub get_student_fields_to_show {
+ my @to_show = @Apache::lonstatistics::SelectedStudentData;
+ foreach (@to_show) {
+ if ($_ eq 'all') {
+ @to_show = @Apache::lonstatistics::StudentDataOrder;
+ last;
+ }
+ }
+ return @to_show;
+}
+
+#######################################################
+#######################################################
=pod
@@ -146,12 +306,20 @@ the chart page.
#######################################################
sub CreateInterface {
my $Str = '';
+ $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,&mt('Chart'));
# $Str .= &CreateLegend();
$Str .= '| Sections | '; - $Str .= 'Student Data | '; - $Str .= 'Sequences and Folders | '; + $Str .= ''.&mt('Sections').' | '; + $Str .= ''.&mt('Student Data').' | '; + $Str .= ''.&mt('Enrollment Status').' | '; + $Str .= ''.&mt('Sequences and Folders').' | '; + $Str .= ''.&mt('Output Format').''. + &Apache::loncommon::help_open_topic("Chart_Output_Formats"). + ' | '; + $Str .= ''.&mt('Output Data').''. + &Apache::loncommon::help_open_topic("Chart_Output_Data"). + ' | '; $Str .= '
| '."\n"; @@ -168,129 +336,351 @@ sub CreateInterface { $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple', 5,undef); $Str .= ' | '."\n"; + $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); + $Str .= ' | '."\n"; $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, $only_seq_with_assessments); + $Str .= ' | '."\n"; + $Str .= &CreateAndParseOutputSelector(); + $Str .= ' | '."\n"; + $Str .= &CreateAndParseOutputDataSelector(); $Str .= ' |
';
- # First, the @StudentData fields need to be listed
- my @to_show = @Apache::lonstatistics::SelectedStudentData;
- foreach (@to_show) {
- if ($_ eq 'all') {
- @to_show = @Apache::lonstatistics::StudentDataOrder;
- last;
- }
+ $r->print("".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
+ " ".localtime(time)."
");
+
+ if ($chosen_output->{'base'} !~ /^final table/) {
+ $r->print("".$chosen_output->{'shortdesc'}."
");
}
+ 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 $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;
+ #
+ # Compute the column widths and output the sequence titles
+ foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
+ #
+ # Comptue column widths
+ $sequence->{'width_sum'} = 0;
+ if ($chosen_output->{'sequence_sum'}) {
+ # Use 3 digits for the sum
+ $sequence->{'width_sum'} = 3;
}
+ if ($chosen_output->{'sequence_max'}) {
+ if ($sequence->{'width_sum'}>0) {
+ # One digit for the '/'
+ $sequence->{'width_sum'} +=1;
+ }
+ # Use 3 digits for the total
+ $sequence->{'width_sum'}+=3;
+ }
+ #
+ if ($chosen_output->{'every_problem'}) {
+ # one problem per digit
+ $sequence->{'width_problem'} = $sequence->{'num_assess_parts'};
+ } else {
+ $sequence->{'width_problem'} = 0;
+ }
+ $sequence->{'width_total'} = $sequence->{'width_problem'} +
+ $sequence->{'width_sum'};
+ if ($sequence->{'width_total'} < length(&HTML::Entities::decode($sequence->{'title'}))) {
+ $sequence->{'width_total'} = length(&HTML::Entities::decode($sequence->{'title'}));
+ }
+ #
+ # Output the sequence titles
+ $Str .=
+ $sequence->{'title'}.' 'x($sequence->{'width_total'}-
+ length($sequence->{'title'})
+ ).$padding;
}
- $Str .= 'total';
- $Str .= "\n";
- return $Str;
+ $Str .= "total\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;
- }
+ #
+ if($count++ % 5 == 0 && $count > 0) {
+ $r->print("");
}
+ # First, the @StudentData fields need to be listed
+ 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;
}
@@ -303,60 +693,913 @@ sub ChartOutputStudent {
%StudentsData = @tmp;
}
if (scalar(@tmp) < 1) {
+ $nodata_count++;
$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) =
+ my $PerformanceStr = '';
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ my ($performance,$performance_length,$score,$seq_max,$rawdata);
+ if ($chosen_output->{'tries'}) {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &StudentTriesOnSequence($student,\%StudentsData,
+ $seq,$show_links);
+ } else {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
&StudentPerformanceOnSequence($student,\%StudentsData,
- $seq,'linkify');
- $Str .= $performance.$padding;
- $studentstats->{$seq->{'symb'}}->{'score'}= $score;
- $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
+ $seq,$show_links);
+ }
+ my $ratio='';
+ if ($chosen_output->{'sequence_sum'}) {
+ $ratio .= sprintf("%3d",$score);
+ }
+ if ($chosen_output->{'sequence_max'}) {
+ if ($chosen_output->{'sequence_sum'}) {
+ $ratio .= '/';
+ }
+ $ratio .= sprintf("%3d",$seq_max);
}
+ #
+ if (! $chosen_output->{'every_problem'}) {
+ $performance = '';
+ $performance_length=0;
+ }
+ $performance .= ' 'x($seq->{'width_total'}-$performance_length-$seq->{'width_sum'}).
+ $ratio;
+ #
+ $Str .= $performance.$padding;
+ #
+ $studentstats->{$seq->{'symb'}}->{'score'}= $score;
+ $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
}
#
# Total it up and store the statistics info.
my ($score,$max) = (0,0);
while (my ($symb,$seq_stats) = each (%{$studentstats})) {
$Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
- $Statistics->{$symb}->{'max'} += $seq_stats->{'max'};
+ if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
+ $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
+ }
$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);
+ #
+ $r->rflush();
+ return;
}
+sub html_finish {
+ my ($r) = @_;
+ #
+ # Check for suppressed output and close the progress window if so
+ $r->print("\n");
+ if ($chosen_output->{'summary_table'}) {
+ if ($single_student_mode) {
+ $r->print(&SingleStudentTotal());
+ } else {
+ $r->print(&StudentAverageTotal());
+ }
+ }
+ $r->rflush();
+ return;
+}
+
+sub StudentAverageTotal {
+ my $Str = "| Title | Average | Maximum |
|---|---|---|
| '.$seq->{'title'}.' | '. + ''.$ave.' | '. + ''.$max.' '.' |
| Number of Students | Average | '. + "Maximum |
|---|---|---|
| '.($num_students-$nodata_count).' | '. + ''.$total_ave.' '.' | '. + ''.$total_max.' '.' | '; + $Str .= "
| Sequence or Folder | Score | Maximum |
|---|---|---|
| '.$seq->{'title'}.' | '. + ''.$value.' | '. + ''.$max.' |
| Total | '. + ''.$total.' | '. + ''.$total_max." |
+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). +
+END + $request_aborted = 1; + } + if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) { + $r->print(<+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 +Scores Summary data. +
+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; + # + # Determine rows + my $header_row = $rows_output++; + my $description_row = $rows_output++; + $rows_output++; # blank row + my $summary_header_row; + if ($chosen_output->{'summary_table'}) { + $summary_header_row = $rows_output++; + $rows_output+= scalar(&Apache::lonstatistics::Sequences_with_Assess()); + $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++; + # + # 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); + # + my $format = &Apache::loncommon::define_excel_formats($excel_workbook); + # + # Add a worksheet + my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; + $sheetname = &Apache::loncommon::clean_excel_name($sheetname); + $excel_sheet = $excel_workbook->addworksheet($sheetname); + # + # Put the course description in the header + $excel_sheet->write($header_row,$cols_output++, + $ENV{'course.'.$ENV{'request.course.id'}.'.description'}, + $format->{'h1'}); + $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]; + } + } + $excel_sheet->write($header_row,$cols_output++,$sectionstring, + $format->{'h3'}); + $cols_output += scalar(@Sections); + # + # Put the date in there too + $excel_sheet->write($header_row,$cols_output++, + 'Compiled on '.localtime(time),$format->{'h3'}); + # + $cols_output = 0; + $excel_sheet->write($description_row,$cols_output++, + $chosen_output->{'shortdesc'}, + $format->{'h3'}); + ############################################## + # Output headings for the raw data + ############################################## + # + # Add the student headers + $cols_output = 0; + foreach my $field (&get_student_fields_to_show()) { + $excel_sheet->write($resource_name_row,$cols_output++,$field, + $format->{'bold'}); + } + # + # Add the remaining column headers + my $total_formula_string = '=0'; + foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { + $excel_sheet->write($sequence_name_row,, + $cols_output,$seq->{'title'},$format->{'bold'}); + # Determine starting cell + $seq->{'Excel:startcell'}= + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row,$cols_output); + $seq->{'Excel:startcol'}=$cols_output; + my $count = 0; + if ($chosen_output->{'every_problem'}) { + # Put the names of the problems and parts into the sheet + foreach my $res (@{$seq->{'contents'}}) { + if ($res->{'type'} ne 'assessment' || + ! exists($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, + $cols_output++, + $res->{'title'}.' part '.$part, + $format->{'bold'}); + } + } else { + $excel_sheet->write($resource_name_row, + $cols_output++, + $res->{'title'},$format->{'bold'}); + } + $count++; + } + } + # Determine ending cell + if ($count <= 1) { + $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'}; + $seq->{'Excel:endcol'} = $seq->{'Excel:startcol'}; + } else { + $seq->{'Excel:endcell'} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row,$cols_output-1); + $seq->{'Excel:endcol'} = $cols_output-1; + } + # Create the formula for summing up this sequence + if (! exists($seq->{'Excel:endcell'}) || + ! defined($seq->{'Excel:endcell'})) { + $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'}; + } + $seq->{'Excel:sum'}= $excel_sheet->store_formula + ('=SUM('.$seq->{'Excel:startcell'}. + ':'.$seq->{'Excel:endcell'}.')'); + # Determine cell the score is held in + $seq->{'Excel:scorecell'} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row,$cols_output); + $seq->{'Excel:scorecol'}=$cols_output; + if ($chosen_output->{'base'} eq 'parts correct total') { + $excel_sheet->write($resource_name_row,$cols_output++, + 'parts correct', + $format->{'bold'}); + } elsif ($chosen_output->{'sequence_sum'}) { + if ($chosen_output->{'correct'}) { + # Only reporting the number correct, so do not call it score + $excel_sheet->write($resource_name_row,$cols_output++, + 'sum', + $format->{'bold'}); + } else { + $excel_sheet->write($resource_name_row,$cols_output++, + 'score', + $format->{'bold'}); + } + } + # + $total_formula_string.='+'. + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row,$cols_output-1); + if ($chosen_output->{'sequence_max'}) { + $excel_sheet->write($resource_name_row,$cols_output++, + 'maximum', + $format->{'bold'}); + } + } + if ($chosen_output->{'grand_total'}) { + $excel_sheet->write($resource_name_row,$cols_output++,'Total', + $format->{'bold'}); + } + $total_formula = $excel_sheet->store_formula($total_formula_string); + ############################################## + # Output a row for MAX, if appropriate + ############################################## + if ($chosen_output->{'maximum_row'}) { + $cols_output = 0; + foreach my $field (&get_student_fields_to_show()) { + if ($field eq 'username' || $field eq 'fullname' || + $field eq 'id') { + $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum', + $format->{'bold'}); + } else { + $excel_sheet->write($maximum_data_row,$cols_output++,''); + } + } + # + # Add the maximums for each sequence or assessment + my %total_cell_translation; + foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { + $cols_output=$seq->{'Excel:startcol'}; + $total_cell_translation{$seq->{'Excel:scorecell'}} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($maximum_data_row,$seq->{'Excel:scorecol'}); + my $weight; + my $max = 0; + foreach my $resource (@{$seq->{'contents'}}) { + next if ($resource->{'type'} ne 'assessment'); + foreach my $part (@{$resource->{'parts'}}) { + $weight = 1; + if ($chosen_output->{'scores'}) { + $weight = &Apache::lonnet::EXT + ('resource.'.$part.'.weight',$resource->{'symb'}, + undef,undef,undef); + if (!defined($weight) || ($weight eq '')) { + $weight=1; + } + } + if ($chosen_output->{'scores'} && + $chosen_output->{'every_problem'}) { + $excel_sheet->write($maximum_data_row,$cols_output++, + $weight); + } + $max += $weight; + } + } + # + if ($chosen_output->{'sequence_sum'} && + $chosen_output->{'every_problem'}) { + my %replaceCells; + $replaceCells{$seq->{'Excel:startcell'}} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($maximum_data_row,$seq->{'Excel:startcol'}); + $replaceCells{$seq->{'Excel:endcell'}} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($maximum_data_row,$seq->{'Excel:endcol'}); + $excel_sheet->repeat_formula($maximum_data_row,$cols_output++, + $seq->{'Excel:sum'},undef, + %replaceCells); + } elsif ($chosen_output->{'sequence_sum'}) { + $excel_sheet->write($maximum_data_row,$cols_output++,$max); + } + if ($chosen_output->{'sequence_max'}) { + $excel_sheet->write($maximum_data_row,$cols_output++,$max); + } + # + } + if ($chosen_output->{'grand_total'}) { + $excel_sheet->repeat_formula($maximum_data_row,$cols_output++, + $total_formula,undef, + %total_cell_translation); + } + } # End of MAXIMUM row output if ($chosen_output->{'maximum_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 (&Apache::lonstatistics::Sequences_with_Assess()) { + $cols_output = 0; + $excel_sheet->write($row,$cols_output++, + $seq->{'title'}, + $format->{'bold'}); + if ($chosen_output->{'maximum_row'}) { + $excel_sheet->write + ($row,$cols_output++, + '='. + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($maximum_data_row,$seq->{'Excel:scorecol'}) + ); + } + my $range = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row,$seq->{'Excel:scorecol'}). + ':'. + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row+$num_students-1,$seq->{'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 + my $studentcount = scalar(@Apache::lonstatistics::Students); + if ($ENV{'form.SelectedStudent'}) { + $studentcount = '1'; + } + if ($studentcount > 1) { + $r->print('+The Summary Table (Scores) option is not available for non-HTML output. +
+END + $request_aborted = 1; + } + return if ($request_aborted); + # + # 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); + # + # 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 $sequence_row = ''; + my $resource_row = undef; + foreach my $field (&get_student_fields_to_show()) { + $sequence_row .='"",'; + $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",'; + } + foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { + $sequence_row .= '"'. + &Apache::loncommon::csv_translate($seq->{'title'}).'",'; + my $count = 0; + if ($chosen_output->{'every_problem'}) { + foreach my $res (@{$seq->{'contents'}}) { + if ($res->{'type'} ne 'assessment' || + ! exists($res->{'parts'}) || + ref($res->{'parts'}) ne 'ARRAY' || + scalar(@{$res->{'parts'}}) < 1) { + next; + } + foreach my $part (@{$res->{'parts'}}) { + $resource_row .= '"'. + &Apache::loncommon::csv_translate($res->{'title'}. + ', Part '.$part + ).'",'; + $count++; + } + } + } + $sequence_row.='"",'x$count; + if ($chosen_output->{'sequence_sum'}) { + if($chosen_output->{'correct'}) { + $resource_row .= '"sum",'; + } else { + $resource_row .= '"score",'; + } + } + if ($chosen_output->{'sequence_max'}) { + $sequence_row.= '"",'; + $resource_row .= '"maximum possible",'; + } + } + if ($chosen_output->{'grand_total'}) { + $sequence_row.= '"",'; + $resource_row.= '"Total",'; + } + chomp($sequence_row); + chomp($resource_row); + print $outputfile $sequence_row."\n"; + print $outputfile $resource_row."\n"; + return; +} + +sub csv_outputstudent { + my ($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 + my $total = 0; + foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { + my ($performance,$performance_length,$score,$seq_max,$rawdata); + if ($chosen_output->{'tries'}){ + ($performance,$performance_length,$score,$seq_max,$rawdata) = + &StudentTriesOnSequence($student,\%StudentsData, + $seq,'no'); + } else { + ($performance,$performance_length,$score,$seq_max,$rawdata) = + &StudentPerformanceOnSequence($student,\%StudentsData, + $seq,'no'); + } + if ($chosen_output->{'every_problem'}) { + if ($chosen_output->{'correct'}) { + $score = 0; + # Deal with number of parts correct data + $Str .= '"'.join('","',( map { if ($_>0) { + $score += 1; + 1; + } else { + 0; + } + } @$rawdata)).'",'; + } else { + $Str .= '"'.join('","',(@$rawdata)).'",'; + } + } + if ($chosen_output->{'sequence_sum'}) { + $Str .= '"'.$score.'",'; + } + if ($chosen_output->{'sequence_max'}) { + $Str .= '"'.$seq_max.'",'; + } + $total+=$score; + } + if ($chosen_output->{'grand_total'}) { + $Str .= '"'.$total.'",'; + } + 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('| Students Count | '. - $StudentCount.' |
| Total Problems | '. - $TotalProblems.' |
| Average Correct | '. - $ProblemsSolved.' |
| Title | Total Problems | '. - 'Average Correct |
|---|---|---|
| '.$title. - ' | '.$pCount. - ' | '.$crr. - ' |