--- loncom/interface/statistics/lonstudentassessment.pm 2002/07/24 14:52:32 1.1 +++ loncom/interface/statistics/lonstudentassessment.pm 2004/12/07 15:48:29 1.106 @@ -1,12 +1,10 @@ # The LearningOnline Network with CAPA -# (Publication Handler # -# $Id: lonstudentassessment.pm,v 1.1 2002/07/24 14:52:32 stredwic Exp $ +# $Id: lonstudentassessment.pm,v 1.106 2004/12/07 15:48:29 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 @@ -26,221 +24,1927 @@ # http://www.lon-capa.org/ # # (Navigate problems for statistical reports -# YEAR=2001 -# 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei -# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei -# YEAR=2002 -# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei -# 5/12,5/14,5/15,5/19,5/26,7/16 Behrouz Minaei # -### +####################################################### +####################################################### + +=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; +package Apache::lonstudentassessment; use strict; +use Apache::lonstatistics; use Apache::lonhtmlcommon; +use Apache::loncommon(); use Apache::loncoursedata; -use GDBM_File; +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 $c Apache Connection + +=back + +=cut + +####################################################### +####################################################### sub BuildStudentAssessmentPage { - my ($cacheDB, $students, $courseID, $c)=@_; + my ($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; +} - my %cache; +####################################################### +####################################################### - my $Ptr = ''; - $Ptr .= '
'.&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->{$field}; + # Deal with 'comments' - how I love special cases + if ($field eq 'comments') { + $title = ''.&mt('Comments').''; + } + 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; + } else { + $score = sprintf("%.0f",$score); + } + $Str .= ' '.' 'x($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 $Str = '
'.&mt('Title').' | '. + ''.&mt('Average').' | '. + ''.&mt('Maximum').' | '. + '
---|---|---|
'.$seq->{'title'}.' | '. + ''.$ave.' | '. + ''.$max.' '.' |
'.&mt('Sequence or Folder').' | '; + if ($chosen_output->{'base'} eq 'tries') { + $Str .= ''.&mt('Parts Correct').' | '; + } else { + $Str .= ''.&mt('Score').' | '; + } + $Str .= ''.&mt('Maximum').' | '."
---|---|---|---|
'.$seq->{'title'}.' | '. + ''.$value.' | '. + ''.$max.' | |
'.&mt('Total').' | '. + ''.$total.' | '. + ''.$total_max." |
'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns. Excel allows only 255 columns in a spreadsheet.').'
'.$/. + ''.&mt('You may consider reducing the number of Sequences or Folders you have selected.').'
'.$/. + ''.&mt('LON-CAPA can produce CSV files of this data or Excel files of the Scores Summary data.').'
'.$/; + if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) { + $r->print($too_many_cols_error_message); + $request_aborted = 1; + } + if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) { + $r->print($too_many_cols_error_message); + $request_aborted = 1; + } + return if ($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; } - } elsif($cache{'StudentAssessmentMove'} eq 'previous') { - if($index == 0) { - $selectedName = $students->[-1]; + if (scalar(@{$res->{'parts'}}) > 1) { + foreach my $part (@{$res->{'parts'}}) { + $excel_sheet->write($resource_name_row, + $cols_output++, + $res->{'title'}.' part '.$part, + $format->{'bold'}); + $count++; + } } else { - $selectedName = $students->[$index-1]; + $excel_sheet->write($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 { - $selectedName = $students->[$index]; + $excel_sheet->write($resource_name_row,$cols_output++, + 'score', + $format->{'bold'}); } - last; } + # + $total_formula_string.='+'. + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($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('\# | Set Title | "; - $Str .= 'Results | Tries |
---|---|---|---|
'.$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; +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) { + my $value = $student->{$field}; + if ($field eq 'comments') { + $value = &Apache::lonmsg::retrieve_instructor_comments + ($student->{'username'},$student->{'domain'}); + } + $excel_sheet->write($rows_output,$cols_output++,$value); + } + # + # 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 + my %total_cell_translation; + my %maximum_cell_translation; + foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { + $cols_output = $seq->{'Excel:startcol'}; + # Keep track of cells to translate in total cell + $total_cell_translation{$seq->{'Excel:scorecell'}} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($rows_output,$seq->{'Excel:scorecol'}); + # + my ($performance,$performance_length,$score,$seq_max,$rawdata); + if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){ + ($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'}) { + # only indiciate if each item is correct or not + foreach my $value (@$rawdata) { + # nonzero means correct + $value = 1 if ($value > 0); + $excel_sheet->write($rows_output,$cols_output++,$value); + } + } else { + foreach my $value (@$rawdata) { + if ($score eq ' ' || !defined($value)) { + $cols_output++; + } else { + $excel_sheet->write($rows_output,$cols_output++, + $value); } + } + } + } + if ($chosen_output->{'sequence_sum'} && + $chosen_output->{'every_problem'}) { + # Write a formula for the sum of this sequence + my %replaceCells; + $replaceCells{$seq->{'Excel:startcell'}} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($rows_output,$seq->{'Excel:startcol'}); + $replaceCells{$seq->{'Excel:endcell'}} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($rows_output,$seq->{'Excel:endcol'}); + # The undef is for the format + if (scalar(keys(%replaceCells)) == 1) { + $excel_sheet->repeat_formula($rows_output,$cols_output++, + $seq->{'Excel:sum'},undef, + %replaceCells,%replaceCells); + } else { + $excel_sheet->repeat_formula($rows_output,$cols_output++, + $seq->{'Excel:sum'},undef, + %replaceCells); + } + } elsif ($chosen_output->{'sequence_sum'}) { + if ($score eq ' ') { + $cols_output++; + } else { + $excel_sheet->write($rows_output,$cols_output++,$score); + } + } + if ($chosen_output->{'sequence_max'}) { + $excel_sheet->write($rows_output,$cols_output++,$seq_max); + } + } + # + if ($chosen_output->{'grand_total'}) { + $excel_sheet->repeat_formula($rows_output,$cols_output++, + $total_formula,undef, + %total_cell_translation); + } + if ($chosen_output->{'grand_maximum'}) { + $excel_sheet->repeat_formula($rows_output,$cols_output++, + $maximum_formula,undef, + %total_cell_translation); + } + # + # 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 + $r->print(''.$codes.' | '; - $Str .= ''.$attempts.' | '; - $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". + "
"; return $Str; } -#---- END Student Assessment Web Page ---------------------------------------- +####################################################### +####################################################### + +=pod + +=back + +=cut + +####################################################### +####################################################### + 1; + __END__