# The LearningOnline Network with CAPA # # $Id: lonstudentassessment.pm,v 1.102 2004/07/13 15:03:34 matthew Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # # (Navigate problems for statistical reports # ####################################################### ####################################################### =pod =head1 NAME lonstudentassessment =head1 SYNOPSIS Presents assessment data about a student or a group of students. =head1 Subroutines =over 4 =cut ####################################################### ####################################################### package Apache::lonstudentassessment; use strict; use Apache::lonstatistics; use Apache::lonhtmlcommon; use Apache::loncommon(); use Apache::loncoursedata; use Apache::lonnet; # for logging porpoises use Apache::lonlocal; use Spreadsheet::WriteExcel; use Spreadsheet::WriteExcel::Utility(); ####################################################### ####################################################### =pod =item Package Variables =over 4 =item $Statistics Hash ref to store student data. Indexed by symb, contains hashes with keys 'score' and 'max'. =cut ####################################################### ####################################################### my $Statistics; ####################################################### ####################################################### =pod =item $show_links 'yes' or 'no' for linking to student performance data =item $output_mode 'html', 'excel', or 'csv' for output mode =item $show 'all', 'totals', or 'scores' determines how much data is output =item $single_student_mode evaluates to true if we are showing only one student. =cut ####################################################### ####################################################### my $show_links; my $output_mode; my $chosen_output; my $single_student_mode; ####################################################### ####################################################### # End of package variable declarations =pod =back =cut ####################################################### ####################################################### =pod =item &BuildStudentAssessmentPage() Inputs: =over 4 =item $r Apache Request =item $c Apache Connection =back =cut ####################################################### ####################################################### sub BuildStudentAssessmentPage { my ($r,$c)=@_; # undef($Statistics); undef($show_links); undef($output_mode); undef($chosen_output); undef($single_student_mode); # my %Saveable_Parameters = ('Status' => 'scalar', 'chartoutputmode' => 'scalar', 'chartoutputdata' => 'scalar', 'Section' => 'array', 'StudentData' => 'array', 'Maps' => 'array'); &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters); &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters); # &Apache::lonstatistics::PrepareClasslist(); # $single_student_mode = 0; $single_student_mode = 1 if ($ENV{'form.SelectedStudent'}); &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['selectstudent']); if ($ENV{'form.selectstudent'}) { &Apache::lonstatistics::DisplayClasslist($r); return; } # # Print out the HTML headers for the interface # This also parses the output mode selector # This step must *always* be done. $r->print(&CreateInterface()); $r->print(''); $r->print(''); $r->rflush(); # if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) { 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; $finish = \&csv_finish; } # if($c->aborted()) { return ; } # # 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; } # # 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 =item &CreateInterface() Called by &BuildStudentAssessmentPage to create the top part of the page which displays the chart. Inputs: None Returns: A string containing the HTML for the headers and top table for the chart page. =cut ####################################################### ####################################################### sub CreateInterface { my $Str = ''; $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'Chart'); # $Str .= &CreateLegend(); $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"; $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); $Str .= ' | '; my $only_seq_with_assessments = sub { my $s=shift; if ($s->{'num_assess'} < 1) { return 0; } else { return 1; } }; $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 .= ' |
\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; } # # Compute the column widths and output the sequence titles my $total_count; foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){ # # Comptue column widths $sequence->{'width_sum'} = 0; if ($chosen_output->{'sequence_sum'}) { if ($chosen_output->{'every_problem'}) { # Use 1 digit for a space $sequence->{'width_sum'} += 1; } $total_count += $sequence->{'num_assess_parts'}; # 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; } $total_sum_width = length($total_count)+1; $Str .= " total\n"; $Str .= "
"; $r->print($Str); $r->rflush(); return; } sub html_outputstudent { my ($r,$student) = @_; my $Str = ''; # if($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 $base = length($title); my $width=$Apache::lonstatistics::StudentData{$field}->{'width'}; $Str .= $title.' 'x($width-$base).$padding; } # Get ALL the students 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; } if (scalar(@tmp) < 1) { $nodata_count++; $Str .= 'No Course Data'."\n"; $r->print($Str); $r->rflush(); return; } # # By sequence build up the data my $studentstats; 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, $seq,$show_links); } my $ratio=''; if ($chosen_output->{'every_problem'}) { $ratio .= ' '; } if ($chosen_output->{'sequence_sum'} && $score ne ' ') { $ratio .= sprintf("%3.0f",$score); } elsif($chosen_output->{'sequence_sum'}) { $ratio .= ' 'x3; } if ($chosen_output->{'sequence_max'}) { if ($chosen_output->{'sequence_sum'}) { $ratio .= '/'; } $ratio .= sprintf("%3.0f",$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,$max); while (my ($symb,$seq_stats) = each (%{$studentstats})) { $Statistics->{$symb}->{'score'} += $seq_stats->{'score'}; if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) { $Statistics->{$symb}->{'max'} = $seq_stats->{'max'}; } if ($seq_stats->{'score'} ne ' ') { $score += $seq_stats->{'score'}; $Statistics->{$symb}->{'num_students'}++; } $max += $seq_stats->{'max'}; } if (! defined($score)) { $score = ' ' x $total_sum_width; } $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max; $Str .= " \n"; # $r->print($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 |
---|---|---|
'.$max_students.' | '. # ''.$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'; my $maximum_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'}); $seq->{'Excel:maxcell'} = &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell ($first_data_row,$cols_output); $seq->{'Excel:maxcol'}=$cols_output; $maximum_formula_string.='+'. &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell ($first_data_row,$cols_output); $cols_output++; } } if ($chosen_output->{'grand_total'}) { $excel_sheet->write($resource_name_row,$cols_output++,'Total', $format->{'bold'}); } if ($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); $maximum_formula = $excel_sheet->store_formula($maximum_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; my %maximum_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'}); $maximum_cell_translation{$seq->{'Excel:maxcell'}} = &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell ($maximum_data_row,$seq->{'Excel:maxcol'}); 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++, $total_formula,undef, %total_cell_translation); } if ($chosen_output->{'grand_maximum'}) { $excel_sheet->repeat_formula($maximum_data_row,$cols_output++, $maximum_formula,undef, %total_cell_translation); } } # End of MAXIMUM row output if ($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.= '"",'; $resource_row.= '"Total",'; } if ($chosen_output->{'grand_maximum'}) { $sequence_row.= '"",'; $resource_row.= '"Maximum",'; } chomp($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; my $maximum = 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; $maximum += $seq_max; } if ($chosen_output->{'grand_total'}) { $Str .= '"'.$total.'",'; } if ($chosen_output->{'grand_maximum'}) { $Str .= '"'.$maximum.'",'; } 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('". " 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". "
"; return $Str; } ####################################################### ####################################################### =pod =back =cut ####################################################### ####################################################### 1; __END__