'."\n");
- foreach (@$students) {
- if($c->aborted()) { return $Str; }
- next if ($_ ne $selectedName &&
- $selectedName ne 'All Students');
- $selected = 1;
-
- my @who = ($_);
- next if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'true',
- $cacheDB, 'true',
- 'false', $courseID,
- $r, $c) ne 'OK');
- next if($c->aborted());
-
- if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- my @before=();
- my @after=();
- my @updateColumn=();
- my $foundUpdate = 0;
- foreach(@$infoKeys) {
- if(/updateTime/) {
- $foundUpdate=1;
- push(@updateColumn, $_);
- next;
- }
- if($foundUpdate) {
- push(@after, $_);
- } else {
- push(@before, $_);
- }
- }
- my $displayString = 'DISPLAYDATA'.$spacing;
- $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
- \%cache, $_,
- \@before,
- $displayString,
- 'preformatted'));
-
- if($foundUpdate) {
- $displayString = '';
- $displayString .= '';
- $displayString .= 'DISPLAYDATA'.$spacing;
- $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
- \%cache, $_,
- \@updateColumn,
- $displayString,
- 'preformatted'));
- }
-
- $displayString = 'DISPLAYDATA'.$spacing;
- $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
- \%cache, $_,
- \@after,
- $displayString,
- 'preformatted'));
- $r->print(&StudentReport(\%cache, $_, $spacing, $sequenceKeys));
- $r->print("\n");
- $r->rflush();
- untie(%cache);
- }
- }
- $r->print(''."\n");
- if($selected == 0) {
- $Str .= '| '."\n"; - $Str .= ' | '; + $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"). + ' | '; + $Str .= '|||||||||||||||||||
| '."\n"; - my @sections = split(':',$cache->{'sectionList'}); - my @selectedSections = split(':',$cache->{'sectionsSelected'}); - $Str .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections, - \@selectedSections, - 'Statistics'); + $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); $Str .= ' | '; - $Str .= &CreateColumnSelectionBox($doNotShow); + $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple', + 5,undef); $Str .= ' | '."\n";
- $Str .= '';
+ $Str .= ' 'x5;
+ $Str .= '';
+ $Str .= ' 'x5;
+ $Str .= '';
+ $Str .= ' 'x5;
+ $Str .=
+ &mt('Status [_1]',
+ '');
+ $Str .= ' '; return $Str; } -sub CreateTableHeadings { - my($cache,$spacing,$infoKeys,$infoHeadings,$sequenceKeys, - $sequenceHeadings)=@_; +####################################################### +####################################################### + +=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 => 'CSV', + value => 'csv', + description => 'Output a comma separated values file suitable for '. + 'import into a spreadsheet program. Using this method as opposed '. + 'to Excel output allows you to organize your data before importing'. + ' it into a spreadsheet program.', + mode => 'csv', + show_links => 'no', + }, + ); + +sub OutputDescriptions { + my $Str = ''; + $Str .= " Output Formats\n"; + $Str .= "
Output Data\n"; + $Str .= "
". + &mt('Unable to retrieve course information.'). + ''); } - if($cache->{$name.':error'} =~ /course/) { - $Str .= 'No course data for student '; - $Str .= ''.$username.'.'; - return $Str; - } - - my $hasVersion = 'false'; - my $hasFinalData = 'false'; - foreach my $sequence (@$showSequences) { - my $hasData = 'false'; - my $characterCount=0; - foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { - my $problem = $cache->{$problemID.':problem'}; - # All grades (except for versionless parts) are displayed as links - # to their submission record. Loop through all the parts for the - # current problem in the correct order and prepare the output links - foreach(split(/\:/,$cache->{$sequence.':'.$problemID. - ':parts'})) { - if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' || - $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' || - $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') { - $Str .= ' '; - $characterCount++; - next; - } - $hasVersion = 'true'; - $hasData = 'true'; - $Str .= ''; - my $code = $cache->{$name.':'.$problemID.':'.$_.':code'}; - my $tries = $cache->{$name.':'.$problemID.':'.$_.':tries'}; - if($code eq '*' && $tries < 10 && $tries ne '') { - $code = $tries; - } - $Str .= $code; - $Str .= ''; - $characterCount++; + # + $r->print(" ".$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;
+ }
+ #
+ # Compute the column widths and output the sequence titles
+ my $total_count;
+ #
+ # Compute sequence widths
+ my $starttime = Time::HiRes::time;
+ foreach my $seq (@sequences) {
+ my $symb = $seq->symb;
+ my $title = $seq->compTitle;
+ $width{$symb}->{'width_sum'} = 0;
+ # Compute width of sum
+ if ($chosen_output->{'sequence_sum'}) {
+ if ($chosen_output->{'every_problem'}) {
+ # Use 1 digit for a space
+ $width{$symb}->{'width_sum'} += 1;
}
+ $total_count += &count_parts($navmap,$seq);
+ # Use 3 digits for the sum
+ $width{$symb}->{'width_sum'} += 3;
}
-
- # Output the number of correct answers for the current sequence.
- # This part takes up 6 character slots, but is formated right
- # justified.
- my $spacesNeeded=$cache->{$sequence.':columnWidth'}-$characterCount;
- $spacesNeeded -= 3;
- $Str .= (' 'x$spacesNeeded);
-
-# my $outputProblemsCorrect = sprintf("%3d", $cache->{$name.':'.$sequence.
-# ':problemsCorrect'});
-
- my $outputProblemsCorrect = sprintf("%2d/%2d", $cache->{$name.':'.$sequence.
- ':problemsCorrect'},
- $characterCount);
- if($hasData eq 'true') {
- $Str .= ''.$outputProblemsCorrect.'';
- $hasFinalData = 'true';
+ # Compute width of maximum
+ if ($chosen_output->{'sequence_max'}) {
+ if ($width{$symb}->{'width_sum'}>0) {
+ # One digit for the '/'
+ $width{$symb}->{'width_sum'} +=1;
+ }
+ # Use 3 digits for the total
+ $width{$symb}->{'width_sum'}+=3;
+ }
+ #
+ if ($chosen_output->{'every_problem'}) {
+ # one problem per digit
+ $width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
+ $width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
} else {
- $Str .= ' ';
+ $width{$symb}->{'width_problem'} = 0;
+ }
+ $width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} +
+ $width{$symb}->{'width_sum'};
+ if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
+ $width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
}
- $Str .= $spacing;
+ #
+ # Output the sequence titles
+ $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
+ length($title)
+ )).$padding;
}
+ $total_sum_width = length($total_count)+1;
+ $Str .= " total\n";
+ $Str .= "";
+ $r->print($Str);
+ $r->rflush();
+ return;
+}
- # Output the total correct problems over the total number of problems.
- # I don't like this type of formatting, but it is a solution. Need
- # a way to dynamically determine the space requirements.
- my $outputProblemsSolved = sprintf("%4d", $cache->{$name.':problemsSolved'});
- my $outputTotalProblems = sprintf("%4d", $cache->{$name.':totalProblems'});
- if($hasFinalData eq 'true') {
- $Str .= ''.$outputProblemsSolved.
- ' / '.$outputTotalProblems.'';
+sub html_outputstudent {
+ my ($r,$student) = @_;
+ my $Str = '';
+ return if (! defined($navmap));
+ #
+ 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 (@sequences) {
+ my $symb = $seq->symb;
+ my ($performance,$performance_length,$score,$seq_max,$rawdata);
+ if ($chosen_output->{'tries'}) {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &student_tries_on_sequence($student,\%StudentsData,
+ $navmap,$seq,$show_links);
+ } else {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &student_performance_on_sequence($student,\%StudentsData,
+ $navmap,$seq,$show_links);
+ }
+ my $ratio='';
+ if ($chosen_output->{'every_problem'} &&
+ $chosen_output->{'sequence_sum'}) {
+ $ratio .= ' ';
+ }
+ if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
+ my $score .= sprintf("%3.0f",$score);
+ $ratio .= (' 'x(3-length($score))).$score;
+ } elsif($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;
+ }
+ $performance .= ' 'x($width{$symb}->{'width_total'} -
+ $performance_length -
+ $width{$symb}->{'width_sum'}).
+ $ratio;
+ #
+ $Str .= $performance.$padding;
+ #
+ $studentstats->{$symb}->{'score'}= $score;
+ $studentstats->{$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 {
- $Str .= ' ';
+ $score = sprintf("%.0f",$score);
+ $score = (' 'x(3-length($score))).$score;
}
+ $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
+ $Str .= " \n";
+ #
+ $r->print($Str);
+ #
+ $r->rflush();
+ return;
+}
- if($hasVersion eq 'false') {
- $Str = 'No course data.';
+sub html_finish {
+ my ($r) = @_;
+ return if (! defined($navmap));
+ #
+ # 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());
+ }
}
+ $r->rflush();
+ undef($navmap);
+ return;
+}
+sub StudentAverageTotal {
+ my $Str = ''.&mt('Summary Tables').''.$/; + $Str .= '
". - " 1 correct by student in 1 try\n". - " 7 correct by student in 7 tries\n". - " * correct by student in more than 9 tries\n". - " + correct by override\n". - " - incorrect by override\n". - " . incorrect attempted\n". - " # ungraded attempted\n". - " not attempted (blank field)\n". - " x excused". - " "; +sub SingleStudentTotal { + return if (! defined($navmap)); + my $student = &Apache::lonstatistics::current_student(); + my $Str = ' '.&mt('Summary table for [_1] ([_2]@[_3])', + $student->{'fullname'}, + $student->{'username'},$student->{'domain'}).''; + $Str .= $/; + $Str .= '
". + &mt('Unable to retrieve course information.'). + ''); + } + # + my $total_columns = scalar(&get_student_fields_to_show()); + my $num_students = scalar(@Apache::lonstatistics::Students); + # + foreach my $seq (@sequences) { + if ($chosen_output->{'every_problem'}) { + $total_columns+=&count_parts($navmap,$seq); + } + # Add 2 because we need a 'sequence_sum' and 'total' column for each + $total_columns += 2; + } + my $too_many_cols_error_message = + ''.&mt('Unable to Complete Request').''.$/. + ''.&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); + # + # + $excel_workbook = undef; + $excel_sheet = undef; + # + $rows_output = 0; + $cols_output = 0; + # + # Determine rows + my $header_row = $rows_output++; + my $description_row = $rows_output++; + my $notes_row = $rows_output++; + $rows_output++; # blank row + my $summary_header_row; + if ($chosen_output->{'summary_table'}) { + $summary_header_row = $rows_output++; + $rows_output+= scalar(@sequences); + $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,$filename,$format)= + &Apache::loncommon::create_workbook($r); + return if (! defined($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::get_selected_sections(); + $excel_sheet->write($header_row,$cols_output++, + &Apache::lonstatistics::section_and_enrollment_description('plain text'), + $format->{'h3'}); + # + # 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->{'b'}); + # + $cols_output = 0; + $excel_sheet->write($notes_row,$cols_output++, + $chosen_output->{'non_html_notes'}, + $format->{'i'}); + + ############################################## + # 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 (@sequences) { + my $symb = $seq->symb; + $excel_sheet->write($sequence_name_row,, + $cols_output,$seq->compTitle,$format->{'bold'}); + # Determine starting cell + $formula_data{$symb}->{'Excel:startcell'}= + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row,$cols_output); + $formula_data{$symb}->{'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 $res (&get_resources($navmap,$seq)) { + if (scalar(@{$res->parts}) > 1) { + foreach my $part (@{$res->parts}) { + $excel_sheet->write($resource_name_row, + $cols_output++, + $res->compTitle.' part '.$res->part_display($part), + $format->{'bold'}); + $count++; + } + } else { + $excel_sheet->write($resource_name_row, + $cols_output++, + $res->compTitle,$format->{'bold'}); + $count++; + } + } + } + # Determine ending cell + if ($count <= 1) { + $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'}; + $formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'}; + } else { + $formula_data{$symb}->{'Excel:endcell'} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row,$cols_output-1); + $formula_data{$symb}->{'Excel:endcol'} = $cols_output-1; + } + # Create the formula for summing up this sequence + if (! exists($formula_data{$symb}->{'Excel:endcell'}) || + ! defined($formula_data{$symb}->{'Excel:endcell'})) { + $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'}; + } + $formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula + ('=SUM('.$formula_data{$symb}->{'Excel:startcell'}. + ':'.$formula_data{$symb}->{'Excel:endcell'}.')'); + # Determine cell the score is held in + $formula_data{$symb}->{'Excel:scorecell'} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row,$cols_output); + $formula_data{$symb}->{'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'}); + $formula_data{$symb}->{'Excel:maxcell'} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row,$cols_output); + $formula_data{$symb}->{'Excel:maxcol'}=$cols_output; + $maximum_formula_string.='+'. + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($first_data_row,$cols_output); + $cols_output++; - my $notThere = ''; - $notThere .= ''; +sub excel_finish { + my ($r) = @_; + if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) { + return; + } + # + # 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; +} - return $notThere; } +####################################################### +####################################################### =pod -=item &CreateColumnSelectors() +=head2 CSV output routines -This function generates the checkboxes above the column headings. The -column will be removed if the checkbox is unchecked. +=item &csv_initialize($r) -=over 4 +=item &csv_outputstudent($r,$student) -Input: $CacheData, $headings +=item &csv_finish($r) + +=cut + +####################################################### +####################################################### +{ + +my $outputfile; +my $filename; +my $request_aborted; +my %prog_state; # progress window state +my $navmap; +my @sequences; + +sub csv_initialize{ + my ($r) = @_; + # + # Clean up + undef($outputfile); + undef($filename); + undef($request_aborted); + undef(%prog_state); + # + undef($navmap); + undef(@sequences); + ($navmap,@sequences) = + &Apache::lonstatistics::selected_sequences_with_assessments(); + if (! ref($navmap)) { + # Unable to get data, so bail out + $r->print(" ". + &mt('Unable to retrieve course information.'). + ''); + } + # + # Deal with unimplemented requests + $request_aborted = undef; + if ($chosen_output->{'base'} =~ /final table/) { + $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', $studentcount, + 'inline',undef,'Statistics','stats_status'); + # + # Open a file + ($outputfile,$filename) = &Apache::loncommon::create_text_file($r,'csv'); + if (! defined($outputfile)) { return ''; } + # + # 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 $outputfile '"'. + &Apache::loncommon::csv_translate + (&Apache::lonstatistics::section_and_enrollment_description()). + '"'."\n"; + foreach my $item ('shortdesc','non_html_notes') { + next if (! exists($chosen_output->{$item})); + print $outputfile + '"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'. + "\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 (@sequences) { + $sequence_row .= '"'. + &Apache::loncommon::csv_translate($seq->compTitle).'",'; + my $count = 0; + if ($chosen_output->{'every_problem'}) { + foreach my $res (&get_resources($navmap,$seq)) { + if (scalar(@{$res->parts}) < 1) { + next; + } + foreach my $part (@{$res->parts}) { + $resource_row .= '"'. + &Apache::loncommon::csv_translate + ($res->compTitle.', Part '.$res->part_display($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 $resource_row."\n"; + return; +} -$CacheData: A pointer to a hash tied to the cached data +sub csv_outputstudent { + my ($r,$student) = @_; + if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) { + return; + } + my $Str = ''; + # + # Output student fields + 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'}); + } + $Str .= '"'.&Apache::loncommon::csv_translate($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; + } + # + # Output performance data + my $total = 0; + my $maximum = 0; + foreach my $seq (@sequences) { + my ($performance,$performance_length,$score,$seq_max,$rawdata); + if ($chosen_output->{'tries'}){ + ($performance,$performance_length,$score,$seq_max,$rawdata) = + &student_tries_on_sequence($student,\%StudentsData, + $navmap,$seq,'no'); + } else { + ($performance,$performance_length,$score,$seq_max,$rawdata) = + &student_performance_on_sequence($student,\%StudentsData, + $navmap,$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; +} -$headings: An array of the names of the columns for the student -information. They are used to know what are the student information columns +sub csv_finish { + my ($r) = @_; + if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) { + return; + } + close($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(''. + ''.&mt('Your csv file.').''."\n"); + $r->rflush(); + return; + +} -Output: $present +} -$present: The string contains the first row of a table. Each column contains -a checkbox which is left justified. Currently left justification is used -for consistency of location over the column in which it presides. +####################################################### +####################################################### -=back +=pod -=cut +=item &StudentTriesOnSequence() -sub CreateColumnSelectors { - my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_; +Inputs: - my $present = ''; - for(my $index=0; $index<(scalar @$infoHeadings); $index++) { - $present .= ' ';
- $present .= '[$index].'" />';
- $present .= ' | '."\n";
- }
+=over 4
- for(my $index=0; $index<(scalar @$sequenceHeadings); $index++) {
- $present .= '';
- $present .= '[$index].'" />';
- $present .= ' | '."\n";
- }
+=item $student
- return $present;
-}
+=item $studentdata Hash ref to all student data
-#---- END Student Assessment Web Page ----------------------------------------
+=item $seq Hash ref, the sequence we are working on
-#---- Student Assessment Worker Functions ------------------------------------
+=item $links if defined we will output links to each resource.
-sub FindSelectedStudent {
- my($cache, $selectedName, $students)=@_;
+=back
- if($selectedName eq 'All Students' ||
- $selectedName eq 'No Student Selected') {
- return $selectedName;
- }
+=cut
- for(my $index=0; $index<(scalar @$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];
- return $selectedName;
+#######################################################
+#######################################################
+sub student_tries_on_sequence {
+ my ($student,$studentdata,$navmap,$seq,$links) = @_;
+ $links = 'no' if (! defined($links));
+ my $Str = '';
+ my ($sum,$max) = (0,0);
+ my $performance_length = 0;
+ my @TriesData = ();
+ my $tries;
+ my $hasdata = 0; # flag - true if the student has any data on the sequence
+ foreach my $resource (&get_resources($navmap,$seq)) {
+ my $resource_data = $studentdata->{$resource->symb};
+ my $value = '';
+ foreach my $partnum (@{$resource->parts()}) {
+ $tries = undef;
+ $max++;
+ $performance_length++;
+ my $symbol = ' '; # default to space
+ #
+ my $awarded = 0;
+ if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
+ $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
+ $awarded = 0 if (! $awarded);
+ }
+ #
+ my $status = '';
+ if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
+ $status = $resource_data->{'resource.'.$partnum.'.solved'};
+ }
+ #
+ my $tries = 0;
+ if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
+ $tries = $resource_data->{'resource.'.$partnum.'.tries'};
+ $hasdata =1;
+ }
+ #
+ if ($awarded > 0) {
+ # The student has gotten the problem correct to some degree
+ if ($status eq 'excused') {
+ $symbol = 'x';
+ $max--;
+ } elsif ($status eq 'correct_by_override') {
+ $symbol = '+';
+ $sum++;
+ } elsif ($tries > 0) {
+ if ($tries > 9) {
+ $symbol = '*';
+ } else {
+ $symbol = $tries;
+ }
+ $sum++;
} else {
- $selectedName = $students->[$index+1];
- return $selectedName;
+ $symbol = '+';
+ $sum++;
}
- } elsif($cache->{'StudentAssessmentMove'} eq 'previous') {
- if($index == 0) {
- $selectedName = $students->[-1];
- return $selectedName;
+ } else {
+ # The student has the problem incorrect or it is ungraded
+ if ($status eq 'excused') {
+ $symbol = 'x';
+ $max--;
+ } elsif ($status eq 'incorrect_by_override') {
+ $symbol = '-';
+ } elsif ($status eq 'ungraded_attempted') {
+ $symbol = '#';
+ } elsif ($status eq 'incorrect_attempted' ||
+ $tries > 0) {
+ $symbol = '.';
} else {
- $selectedName = $students->[$index-1];
- return $selectedName;
+ # Problem is wrong and has not been attempted.
+ $symbol=' ';
}
+ }
+ #
+ if (! defined($tries)) {
+ $tries = 0;
+ }
+ if ($status =~ /^(incorrect|ungraded)/) {
+ # Bug 3390: show '-' for tries on incorrect problems
+ # (csv & excel only)
+ push(@TriesData,-$tries);
} else {
- $selectedName = $students->[$index];
- return $selectedName;
+ push (@TriesData,$tries);
}
- last;
+ #
+ 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 .= $value;
}
-
- return 'No Student Selected';
+ if ($seq->randompick()) {
+ $max = $seq->randompick();
+ }
+ if (! $hasdata && $sum == 0) {
+ $sum = ' ';
+ }
+ return ($Str,$performance_length,$sum,$max,\@TriesData);
}
+#######################################################
+#######################################################
+
=pod
-=item &ShouldShowColumn()
+=item &student_performance_on_sequence
-Determine if a specified column should be shown on the chart.
+Inputs:
=over 4
-Input: $cache, $test
+=item $student
-$cache: A pointer to the hash tied to the cached data
+=item $studentdata Hash ref to all student data
-$test: The form name of the column (heading.$headingIndex) or
-(sequence.$sequenceIndex)
+=item $seq Hash ref, the sequence we are working on
-Output: 0 (false), 1 (true)
+=item $links if defined we will output links to each resource.
=back
=cut
-sub ShouldShowColumns {
- my ($cache,$headings,$cacheKey)=@_;
-
- my @infoKeys=();
- my @infoHeadings=();
+#######################################################
+#######################################################
+sub student_performance_on_sequence {
+ my ($student,$studentdata,$navmap,$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;
+ my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
+ foreach my $resource (&get_resources($navmap,$seq)) {
+ my $symb = $resource->symb;
+ my $resource_data = $studentdata->{$symb};
+ foreach my $part (@{$resource->parts()}) {
+ $partscore = undef;
+ my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
+ $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 $awarded;
+ if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
+ $awarded = $resource_data->{'resource.'.$part.'.awarded'};
+ $awarded = 0 if (! $awarded);
+ $hasdata = 1;
+ }
+ #
+ $partscore = $weight*$awarded;
+ if (! defined($awarded)) {
+ $partscore = undef;
+ }
+ $score += $partscore;
+ $symbol = $partscore;
+ if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
+ $symbol = sprintf("%.0f",$symbol);
+ }
+ 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.
+ }
+ $hasdata = 1;
+ } elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
+ # Unsolved. Did they try?
+ if (exists($resource_data->{'resource.'.$part.'.tries'})){
+ $symbol = '.';
+ $hasdata = 1;
+ } else {
+ $symbol = ' ';
+ }
+ }
+ #
+ if (! defined($partscore)) {
+ $partscore = $symbol;
+ }
+ push (@ScoreData,$partscore);
+ #
+ if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
+ $symbol = ''.$symbol.'';
+ }
+ $Str .= $symbol;
+ }
+ }
+ if (! $hasdata && $score == 0) {
+ $score = ' ';
+ }
+ return ($Str,$performance_length,$score,$max,\@ScoreData);
+}
- my @sequenceKeys=();
- my @sequenceHeadings=();
+#######################################################
+#######################################################
- my %doNotShow;
+=pod
- my $index;
- my $count = 0;
- my $check = '';
- for($index=0; $index < scalar @$headings; $index++) {
- $check = 'HeadingColumn'.$headings->[$index];
- if($cache->{'HeadingsFound'} =~ /$check/) {
- push(@infoHeadings, $headings->[$index]);
- push(@infoKeys, $cacheKey->[$index]);
- } else {
- $doNotShow{$count.':name'} = $headings->[$index];
- $doNotShow{$count.':id'} = 'HeadingColumn'.$headings->[$index];
- $count++;
- }
- }
+=item &CreateLegend()
- foreach my $sequence (split(/\:/,$cache->{'orderedSequences'})) {
- $check = 'SequenceColumn'.$sequence;
- if($cache->{'SequencesFound'} eq 'All Sequences' ||
- $cache->{'SequencesFound'} =~ /$check/) {
- push(@sequenceHeadings, $cache->{$sequence.':title'});
- push(@sequenceKeys, $sequence);
- } else {
- $doNotShow{$count.':name'} = $cache->{$sequence.':title'};
- $doNotShow{$count.':id'} = 'SequenceColumn'.$sequence;
- $count++;
- }
- }
+This function returns a formatted string containing the legend for the
+chart. The legend describes the symbols used to represent grades for
+problems.
- $doNotShow{'count'} = $count;
+=cut
- return (\@infoHeadings, \@infoKeys, \@sequenceHeadings,
- \@sequenceKeys, \%doNotShow);
+#######################################################
+#######################################################
+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". + " "; + return $Str; } -#---- END Student Assessment Worker Functions -------------------------------- +####################################################### +####################################################### + +=pod + +=back + +=cut + +####################################################### +####################################################### 1; + __END__ |