'."\n";
+=pod
- return $Str;
-}
+=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
+
+=cut
+
+#######################################################
+#######################################################
+my $show_links;
+my $output_mode;
+my $show;
+
+#######################################################
+#######################################################
+# End of package variable declarations
=pod
-=item &FormatStudentData()
+=back
-First, FormatStudentInformation is called and prefixes the course information.
-This function produces a formatted string of the student's course information.
-Each column of data represents all the problems for a given sequence. For
-valid grade data, a link is created for that problem to a submission record
-for that problem.
+=cut
-=over 4
+#######################################################
+#######################################################
-Input: $name, $studentInformation, $ChartDB
+=pod
-$name: The name and domain of the current student in name:domain format
+=item &BuildStudentAssessmentPage()
-$studentInformation: A pointer to an array holding the names used to
-remove data from the hash. They represent
-the name of the data to be removed.
+Inputs:
-$ChartDB: The name of the cached data database which will be tied to that
-database.
+=over 4
-Output: $Str
+=item $r Apache Request
-$Str: Formatted string that is an entire row of the chart. It is a
-concatenation of student information and student course information.
+=item $c Apache Connection
=back
=cut
-sub StudentReport {
- my ($cache,$name,$spacing,$showSequences)=@_;
- my ($username,$domain)=split(':',$name);
+#######################################################
+#######################################################
+sub BuildStudentAssessmentPage {
+ my ($r,$c)=@_;
+ undef($Statistics);
+ #
+ # 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('');
+ $r->rflush();
+ if (! exists($ENV{'form.notfirstrun'})) {
+ $r->print(<
+
+Please make your selections in the boxes above and hit
+the button marked "Update Display".
+
+
+ENDMSG
+# $r->print(&OutputDescriptions());
+ 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 'multi-sheet excel') {
+ $initialize = \&multi_sheet_excel_initialize;
+ $output_student = \&multi_sheet_excel_outputstudent;
+ $finish = \&multi_sheet_excel_finish;
+ } elsif ($output_mode eq 'csv') {
+ $initialize = \&csv_initialize;
+ $output_student = \&csv_outputstudent;
+ $finish = \&csv_finish;
+ }
+ #
+ if($c->aborted()) { return ; }
+ #
+ # Call the initialize routine selected above
+ $initialize->($r);
+ foreach my $student (@Apache::lonstatistics::Students) {
+ if($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;
+}
- my $Str = '';
- if($cache->{$name.':error'} =~ /course/) {
- $Str .= 'No course data for student ';
- $Str .= ''.$username.'. ';
- return $Str;
- }
-
- my $Version;
- my $problemsCorrect = 0;
- my $totalProblems = 0;
- my $problemsSolved = 0;
- my $numberOfParts = 0;
-# foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
- foreach my $sequence (@$showSequences) {
- my $characterCount=0;
- 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'})) {
- $Str .= ' ';
- $totalProblems++;
- $characterCount++;
- }
- 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'}=' ';
- }
+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;
+}
- # 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;
- }
+#######################################################
+#######################################################
- my $tries=0;
- my $code=' ';
+=pod
- $tries = $cache->{$name.':'.$Version.':'.$problem.
- ':resource.'.$part.'.tries'};
- $partData{$part.':tries'}=($tries) ? $tries : 0;
-
- my $val = $cache->{$name.':'.$Version.':'.$problem.
- ':resource.'.$part.'.solved'};
- if ($val eq 'correct_by_student') {$code = '*';}
- elsif ($val eq 'correct_by_override') {$code = '+';}
- elsif ($val eq 'incorrect_attempted') {$code = '.';}
- elsif ($val eq 'incorrect_by_override'){$code = '-';}
- elsif ($val eq 'excused') {$code = 'x';}
- elsif ($val eq 'ungraded_attempted') {$code = '#';}
- else {$code = ' ';}
- $partData{$part.':code'}=$code;
- }
- }
+=item &CreateInterface()
- # 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
- $Str .= '';
- foreach(split(/\:/,$cache->{$sequence.':'.$problemID.
- ':parts'})) {
- if($partData{$_.':code'} eq '*') {
- $problemsCorrect++;
- if (($partData{$_.':tries'}<10) &&
- ($partData{$_.':tries'} ne '')) {
- $partData{$_.':code'}=$partData{$_.':tries'};
- }
- } elsif($partData{$_.':code'} eq '+') {
- $problemsCorrect++;
- }
+Called by &BuildStudentAssessmentPage to create the top part of the
+page which displays the chart.
- $Str .= $partData{$_.':code'};
- $characterCount++;
+Inputs: None
- if($partData{$_.':code'} ne 'x') {
- $totalProblems++;
- }
- }
- $Str.='';
- }
+Returns: A string containing the HTML for the headers and top table for
+the chart page.
- # 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", $problemsCorrect );
- $Str .= ''.$outputProblemsCorrect.'';
- $problemsSolved += $problemsCorrect;
- $problemsCorrect=0;
-
- $Str .= $spacing;
- }
-
- # 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", $problemsSolved );
- my $outputTotalProblems = sprintf( "%4d", $totalProblems );
- $Str .= ''.$outputProblemsSolved.
- ' / '.$outputTotalProblems.'';
+=cut
+#######################################################
+#######################################################
+sub CreateInterface {
+ my $Str = '';
+# $Str .= &CreateLegend();
+ $Str .= '
'."\n";
return $Str;
}
-=pod
+#######################################################
+#######################################################
-=item &CreateLegend()
+=pod
-This function returns a formatted string containing the legend for the
-chart. The legend describes the symbols used to represent grades for
-problems.
+=item &CreateAndParseOutputSelector()
=cut
-sub CreateLegend {
- my $Str = "
".
- "1..9: correct by student in 1..9 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\n".
- " x: excused".
- "
";
+#######################################################
+#######################################################
+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 => 'all',
+ show_links => 'yes',
+ },
+ { 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 => 'all',
+ show_links => 'no',
+ },
+ { name => 'HTML, scores only',
+ value => 'html, scores only',
+ description => 'Output HTML, only showing the total number of correct'.
+ ' problems (or problem parts) and not the maximum possible for '.
+ 'each student',
+ mode => 'html',
+ show => 'scores',
+ show_links => 'no',
+ },
+ { name => 'HTML, totals',
+ value => 'html, totals',
+ description => 'Output HTML, but only the summary statistics for each'.
+ ' sequence selected for each student.',
+ mode => 'html',
+ show => 'totals',
+ show_links => 'no',
+ },
+ { name => 'HTML, summary table only',
+ value => 'html summary table only',
+ description => 'Output HTML, but only the final summary table for '.
+ 'all students across all sequences.',
+ mode => 'html',
+ show => 'final table',
+ show_links => 'no',
+ },
+ { name => 'Excel, scores only',
+ value => 'excel, scores only',
+ description => 'Output an Excel file (compatable with Excel 95), '.
+ 'with a single column for each sequence showing the students '.
+ 'score.',
+ mode => 'excel',
+ show => 'scores',
+ show_links => 'no',
+ },
+ { name => 'Excel, totals',
+ value => 'excel, totals',
+ description => 'Output an Excel file (compatable with Excel 95), '.
+ 'with two columns for each sequence, the students score on the '.
+ 'sequence and the students maximum possible on the sequence',
+ mode => 'excel',
+ show => 'totals',
+ show_links => 'no',
+ },
+ { name => 'multi-sheet Excel',
+ value => 'multi-sheet excel',
+ description => 'Output an Excel file (compatable with Excel 95), '.
+ 'with a seperate worksheet for each sequence you have selected '.
+ 'the data for each problem part '.
+ '(number of tries, status, points awarded) will be listed.',
+ mode => 'multi-sheet excel',
+ show => 'totals',
+ show_links => 'no',
+ },
+ { name => 'multi-sheet Excel, by section',
+ value => 'multi-sheet excel, by section',
+ description => 'Output an Excel file (compatable with Excel 95), '.
+ 'with a seperate worksheet for each sequence you have selected '.
+ 'the data for each problem part '.
+ '(number of tries, status, points awarded) will be listed. '.
+ 'There will be one Excel workbook for each section selected.',
+ mode => 'multi-sheet excel',
+ show => 'by section',
+ show_links => 'no',
+ },
+ { name => 'CSV, everything',
+ value => 'csv, everything',
+ description => '',
+ mode => 'csv',
+ show => 'all',
+ show_links => 'no',
+ },
+ { name => 'CSV, scores only',
+ value => 'csv, scores only',
+ description => '',
+ mode => 'csv',
+ show => 'scores',
+ show_links => 'no',
+ },
+ { name => 'CSV, totals',
+ value => 'csv, totals',
+ description => '',
+ mode => 'csv',
+ show => 'totals',
+ show_links => 'no',
+ },
+ );
+
+sub OutputDescriptions {
+ my $Str = '';
+ $Str .= "
Output Modes
\n";
+ $Str .= "
\n";
+ foreach my $outputmode (@OutputOptions) {
+ $Str .="
".$outputmode->{'name'}."
\n";
+ $Str .="
".$outputmode->{'description'}."
\n";
+ }
+ $Str .= "
\n";
return $Str;
}
-=pod
+sub CreateAndParseOutputSelector {
+ my $Str = '';
+ my $elementname = 'chartoutputmode';
+ #
+ # Format for output options is 'mode, restrictions';
+ my $selected = 'html, with links';
+ if (exists($ENV{'form.'.$elementname})) {
+ if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
+ $selected = $ENV{'form.'.$elementname}->[0];
+ } else {
+ $selected = $ENV{'form.'.$elementname};
+ }
+ }
+ #
+ # Set package variables describing output mode
+ $show_links = 'no';
+ $output_mode = 'html';
+ $show = 'all';
+ foreach my $option (@OutputOptions) {
+ next if ($option->{'value'} ne $selected);
+ $output_mode = $option->{'mode'};
+ $show = $option->{'show'};
+ $show_links = $option->{'show_links'};
+ }
-=item &CreateColumnSelectionBox()
+ #
+ # Build the form element
+ $Str = qq/";
+ return $Str;
+}
-If there are columns not being displayed then this selection box is created
-with a list of those columns. When selections are made and the page
-refreshed, the columns will be removed from this box and the column is
-put back in the chart. If there is no columns to select, no row is added
-to the interface table.
+#######################################################
+#######################################################
-=over 4
-Input: $CacheData, $headings
+=pod
+=head2 HTML output routines
-$CacheData: A pointer to a hash tied to the cached data
+=item &html_initialize($r)
-$headings: An array of the names of the columns for the student information.
-They are used for displaying which columns are missing.
+Create labels for the columns of student data to show.
-Output: $notThere
+=item &html_outputstudent($r,$student)
-$notThere: The string contains one row of a table. The first column has the
-name of the selection box. The second contains the selection box
-which has a size of four.
+Return a line of the chart for a student.
-=back
+=item &html_finish($r)
=cut
-sub CreateColumnSelectionBox {
- my ($doNotShow)=@_;
+#######################################################
+#######################################################
+{
+ my $padding;
+ my $count;
+
+ my $nodata_count; # The number of students for which there is no data
+ my %prog_state; # progress state used by loncommon PrgWin routines
+
+sub html_initialize {
+ my ($r) = @_;
+ #
+ $padding = ' 'x3;
+ $count = 0;
+ $nodata_count = 0;
+ #
+ $r->print("
");
+
+ #
+ # Set up progress window for 'final table' display only
+ if ($show eq 'final table') {
+ my $studentcount = scalar(@Apache::lonstatistics::Students);
+ %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
+ ($r,'Summary Table Status',
+ 'Summary Table Compilation Progress', $studentcount);
+ }
+ my $Str = "
\n";
+ # First, the @StudentData fields need to be listed
+ my @to_show = &get_student_fields_to_show();
+ foreach my $field (@to_show) {
+ my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
+ my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
+ my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
+ $Str .= $title.' 'x($width-$base).$padding;
+ }
+ # Now the selected sequences need to be listed
+ foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
+ my $title = $sequence->{'title'};
+ my $base = $sequence->{'base_width'};
+ my $width = $sequence->{'width'};
+ $Str .= $title.' 'x($width-$base).$padding;
+ }
+ $Str .= "total (of shown problems)
\n";
+ $Str .= "
";
+ #
+ # Check for suppression of output
+ if ($show eq 'final table') {
+ $Str = '';
+ }
+ $r->print($Str);
+ $r->rflush();
+ return;
+}
- my $notThere = '';
- $notThere .= '
");
+ }
+ # 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) {
+ $nodata_count++;
+ return if ($show eq 'final table');
+ $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,$score,$seq_max) =
+ &StudentPerformanceOnSequence($student,\%StudentsData,
+ $seq,$show_links);
+ my $ratio = $score.'/'.$seq_max;
+ #
+ if ($show eq 'totals') {
+ $performance = ' 'x(length($seq_max)-length($score)).$ratio;
+ $performance .= ' 'x($seq->{'width'}-length($performance));
+ } elsif ($show eq 'scores') {
+ $performance = $score;
+ $performance .= ' 'x($seq->{'width'}-length($performance));
+ } else {
+ # Pad with extra spaces
+ $performance .= ' 'x($seq->{'width'}-$seq_max-
+ length($ratio)
+ ).$ratio;
+ }
+ #
+ $Str .= $performance.$padding;
+ #
+ $studentstats->{$seq->{'symb'}}->{'score'}= $score;
+ $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
+ }
+ #
+ # Total it up and store the statistics info.
+ my ($score,$max) = (0,0);
+ while (my ($symb,$seq_stats) = each (%{$studentstats})) {
+ $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
+ $Statistics->{$symb}->{'max'} += $seq_stats->{'max'};
+ $score += $seq_stats->{'score'};
+ $max += $seq_stats->{'max'};
+ }
+ $Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max;
+ $Str .= " \n";
+ #
+ # Check for suppressed output and update the progress window if so...
+ if ($show eq 'final table') {
+ $Str = '';
+ &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
+ 'last student');
+ }
+ #
+ $r->print($Str);
+ #
+ $r->rflush();
+ return;
+}
- for(my $index=0; $index<$doNotShow->{'count'}; $index++) {
- my $name = $doNotShow->{$index.':name'};
- $notThere .= ''."\n";
+sub html_finish {
+ my ($r) = @_;
+ #
+ # Check for suppressed output and close the progress window if so
+ if ($show eq 'final table') {
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ } else {
+ $r->print("
'."\n";
+ }
+ $total_ave = int(100*$total_ave)/100; # only two digit
+ $Str .= "
\n";
+ $Str .= '
'."\n";
+ $Str .= '
Number of Students
Average
'.
+ "
Maximum
\n";
+ $Str .= '
'.($num_students-$nodata_count).'
'.
+ '
'.$total_ave.'
'.$total_max.'
';
+ $Str .= "
\n";
+ return $Str;
+}
- return $notThere;
}
+#######################################################
+#######################################################
+
=pod
-=item &CreateColumnSelectors()
+=head2 Multi-Sheet EXCEL subroutines
-This function generates the checkboxes above the column headings. The
-column will be removed if the checkbox is unchecked.
+=item &multi_sheet_excel_initialize($r)
-=over 4
+=item &multi_sheet_excel_outputstudent($r,$student)
-Input: $CacheData, $headings
+=item &multi_sheet_excel_finish($r)
-$CacheData: A pointer to a hash tied to the cached data
+=cut
-$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 multi_sheet_excel_initialize {
+ my ($r)=@_;
+ $r->print("
Not yet implemented
");
+ #
+ # Estimate the size of the file. We would like to have < 5 megs of data.
+ my $max_size = 5000000;
+ my $num_students = scalar(@Apache::lonstatistics::Students);
+ my $num_sequences = 0;
+ my $num_data_per_part = 2; # 'status' and 'numtries'
+ my $fields_per_student = scalar(&get_student_fields_to_show());
+ my $bytes_per_field = 20; # Back of the envelope calculation
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ $num_sequences++ if ($seq->{'num_assess'} > 0);
+ $fields_per_student += $num_data_per_part * $seq->{'num_assess_parts'};
+ }
+ my $size_estimate = $fields_per_student*$num_students*$bytes_per_field;
+ #
+ # Compute number of workbooks
+ my $num_workbooks = 1;
+ if ($size_estimate > $max_size) { # try to stay under 5 megs
+ $num_workbooks += int($size_estimate / $max_size);
+ }
+ if ($show eq 'by section') {
+ if (@Apache::lonstatistics::SelectedSections > 1 &&
+ $Apache::lonstatistics::SelectedSections[0] ne 'all') {
+ $num_workbooks = scalar(@Apache::lonstatistics::SelectedSections);
+ } else {
+ # @Apache::lonstatistics::Sections contains 'all' as well.
+ $num_workbooks = scalar(@Apache::lonstatistics::Sections) - 1;
+ }
+ }
+
+ $r->print("Maximum allowed size: ".$max_size." bytes ");
+ $r->print("Number of students: ".$num_students." ");
+ $r->print("Number of fields per student: ".$fields_per_student." ");
+ $r->print("Total number of fields: ".($fields_per_student*$num_students).
+ " ");
+ $r->print("Bytes per field: ".$bytes_per_field." (estimated)"." ");
+ $r->print("Estimated size: ".$size_estimate." bytes ");
+ $r->print("Number of workbooks: ".$num_workbooks." ");
+ $r->rflush();
+ return;
+}
-Output: $present
+sub multi_sheet_excel_outputstudent {
+ my ($r,$student) = @_;
+}
-$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.
+sub multi_sheet_excel_finish {
+ my ($r) = @_;
+}
-=back
+}
+#######################################################
+#######################################################
-=cut
+=pod
+
+=head2 EXCEL subroutines
+
+=item &excel_initialize($r)
-sub CreateColumnSelectors {
- my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_;
+=item &excel_outputstudent($r,$student)
- my $present = '';
- for(my $index=0; $index<(scalar @$infoHeadings); $index++) {
- $present .= '
'."\n";
+sub excel_outputstudent {
+ my ($r,$student) = @_;
+ return if (! defined($excel_sheet));
+ $cols_output=0;
+ #
+ # Write out student data
+ my @to_show = &get_student_fields_to_show();
+ foreach my $field (@to_show) {
+ $excel_sheet->write($rows_output,$cols_output++,$student->{$field});
+ }
+ #
+ # Get student assessment data
+ my %StudentsData;
+ my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
+ $student->{'domain'},
+ undef,
+ $ENV{'request.course.id'});
+ if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
+ %StudentsData = @tmp;
+ }
+ #
+ # Write out sequence scores and totals data
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ my ($performance,$score,$seq_max) =
+ &StudentPerformanceOnSequence($student,\%StudentsData,
+ $seq,'no');
+ if ($show eq 'totals' || $show eq 'scores') {
+ $excel_sheet->write($rows_output,$cols_output++,$score);
+ }
+ if ($show eq 'totals') {
+ $excel_sheet->write($rows_output,$cols_output++,$seq_max);
+ }
}
+ #
+ # Bookkeeping
+ $rows_output++;
+ $cols_output=0;
+ #
+ # Update the progress window
+ &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
+ return;
+}
- return $present;
+sub excel_finish {
+ my ($r) = @_;
+ return if (! defined($excel_sheet));
+ #
+ # Write the excel file
+ $excel_workbook->close();
+ my $c = $r->connection();
+ #
+ return if($c->aborted());
+ #
+ # Close the progress window
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ #
+ # Tell the user where to get their excel file
+ $r->print(' '.
+ 'Your Excel spreadsheet.'."\n");
+ $r->rflush();
+ return;
}
-#---- END Student Assessment Web Page ----------------------------------------
+}
+#######################################################
+#######################################################
+
+=pod
+
+=head2 CSV output routines
-#---- Student Assessment Worker Functions ------------------------------------
+=item &csv_initialize($r)
-sub FindSelectedStudent {
- my($cache, $selectedName, $students)=@_;
+=item &csv_outputstudent($r,$student)
- if($selectedName eq 'All Students' ||
- $selectedName eq 'No Student Selected') {
- return $selectedName;
+=item &csv_finish($r)
+
+=cut
+
+#######################################################
+#######################################################
+{
+
+my $outputfile;
+my $filename;
+
+my %prog_state; # progress window state
+
+sub csv_initialize{
+ my ($r) = @_;
+ #
+ # Clean up
+ $filename = undef;
+ $outputfile = undef;
+ undef(%prog_state);
+ #
+ # 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";
- 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;
- } else {
- $selectedName = $students->[$index+1];
- return $selectedName;
- }
- } elsif($cache->{'StudentAssessmentMove'} eq 'previous') {
- if($index == 0) {
- $selectedName = $students->[-1];
- return $selectedName;
- } else {
- $selectedName = $students->[$index-1];
- return $selectedName;
- }
- } else {
- $selectedName = $students->[$index];
- return $selectedName;
- }
- last;
+ #
+ # Print out the headings
+ my $Str = '';
+ my $Str2 = undef;
+ foreach my $field (&get_student_fields_to_show()) {
+ if ($show eq 'scores') {
+ $Str .= '"'.&Apache::loncommon::csv_translate($field).'",';
+ } elsif ($show eq 'totals') {
+ $Str .= '"",'; # first row empty on the student fields
+ $Str2 .= '"'.&Apache::loncommon::csv_translate($field).'",';
+ } elsif ($show eq 'all') {
+ $Str .= '"'.&Apache::loncommon::csv_translate($field).'",';
+ }
+ }
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ if ($show eq 'scores') {
+ $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
+ '",';
+ } elsif ($show eq 'totals') {
+ $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
+ '","",';
+ $Str2 .= '"score","total possible",';
+ } elsif ($show eq 'all') {
+ $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
+ '",';
+ $Str .= '"",'x($seq->{'num_assess_parts'}-1);
+ $Str .= '"score","total possible",';
}
}
+ chop($Str);
+ $Str .= "\n";
+ print $outputfile $Str;
+ if (defined($Str2)) {
+ chop($Str2);
+ $Str2 .= "\n";
+ print $outputfile $Str2;
+ }
+ #
+ # Initialize progress window
+ my $studentcount = scalar(@Apache::lonstatistics::Students);
+ %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
+ ($r,'CSV File Compilation Status',
+ 'CSV File Compilation Progress', $studentcount);
+ return;
+}
- return 'No Student Selected';
+sub csv_outputstudent {
+ my ($r,$student) = @_;
+ return if (! defined($outputfile));
+ my $Str = '';
+ #
+ # Output student fields
+ my @to_show = &get_student_fields_to_show();
+ foreach my $field (@to_show) {
+ $Str .= '"'.&Apache::loncommon::csv_translate($student->{$field}).'",';
+ }
+ #
+ # Get student assessment data
+ my %StudentsData;
+ my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
+ $student->{'domain'},
+ undef,
+ $ENV{'request.course.id'});
+ if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
+ %StudentsData = @tmp;
+ }
+ #
+ # Output performance data
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ my ($performance,$score,$seq_max) =
+ &StudentPerformanceOnSequence($student,\%StudentsData,
+ $seq,'no');
+ if ($show eq 'scores') {
+ $Str .= '"'.$score.'",';
+ } elsif ($show eq 'totals') {
+ $Str .= '"'.$score.'","'.$seq_max.'",';
+ } elsif ($show eq 'all') {
+ $Str .= '"'.join('","',(split(//,$performance),$score,$seq_max)).
+ '",';
+ }
+ }
+ chop($Str);
+ $Str .= "\n";
+ print $outputfile $Str;
+ #
+ # Update the progress window
+ &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
+ return;
}
+sub csv_finish {
+ my ($r) = @_;
+ return if (! defined($outputfile));
+ close($outputfile);
+ #
+ my $c = $r->connection();
+ return if ($c->aborted());
+ #
+ # Close the progress window
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ #
+ # Tell the user where to get their csv file
+ $r->print(' '.
+ 'Your csv file.'."\n");
+ $r->rflush();
+ return;
+
+}
+
+}
+
+#######################################################
+#######################################################
+
=pod
-=item &ShouldShowColumn()
+=item &StudentPerformanceOnSequence()
-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)=@_;
+#######################################################
+#######################################################
+sub StudentPerformanceOnSequence {
+ my ($student,$studentdata,$seq,$links) = @_;
+ $links = 'no' if (! defined($links));
+ my $Str = '';
+ my ($sum,$max) = (0,0);
+ foreach my $resource (@{$seq->{'contents'}}) {
+ next if ($resource->{'type'} ne 'assessment');
+ my $resource_data = $studentdata->{$resource->{'symb'}};
+ my $value = '';
+ foreach my $partnum (@{$resource->{'parts'}}) {
+ $max++;
+ my $symbol = ' '; # default to space
+ #
+ if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
+ my $status = $resource_data->{'resource.'.$partnum.'.solved'};
+ if ($status eq 'correct_by_override') {
+ $symbol = '+';
+ $sum++;
+ } elsif ($status eq 'incorrect_by_override') {
+ $symbol = '-';
+ } elsif ($status eq 'ungraded_attempted') {
+ $symbol = '#';
+ } elsif ($status eq 'incorrect_attempted') {
+ $symbol = '.';
+ } elsif ($status eq 'excused') {
+ $symbol = 'x';
+ $max--;
+ } elsif ($status eq 'correct_by_student' &&
+ exists($resource_data->{'resource.'.$partnum.'.tries'})){
+ my $num = $resource_data->{'resource.'.$partnum.'.tries'};
+ if ($num > 9) {
+ $symbol = '*';
+ } elsif ($num > 0) {
+ $symbol = $num;
+ } else {
+ $symbol = ' ';
+ }
+ $sum++;
+ } elsif (exists($resource_data->{'resource.'.
+ $partnum.'.tries'})){
+ $symbol = '.';
+ } else {
+ $symbol = ' ';
+ }
+ } else {
+ # Unsolved. Did they try?
+ if (exists($resource_data->{'resource.'.$partnum.'.tries'})){
+ $symbol = '.';
+ } else {
+ $symbol = ' ';
+ }
+ }
+ #
+ if ($links eq 'yes' && $symbol ne ' ') {
+ $symbol = ''.$symbol.'';
+ }
+ $value .= $symbol;
+ }
+ $Str .= $value;
+ }
+ return ($Str,$sum,$max);
+}
- my @infoKeys=();
- my @infoHeadings=();
+#######################################################
+#######################################################
- my @sequenceKeys=();
- my @sequenceHeadings=();
+=pod
- my %doNotShow;
-
- 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".
+ "