");
- }
-
+ #
+ # 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);
}
- $r->print('
'."\n");
- my $Str;
+ # Call the "finish" routine selected above
+ $finish->($r);
+ #
return;
}
#######################################################
#######################################################
+sub next_and_previous_buttons {
+ my $Str = '';
+ $Str .= '';
+ #
+ # Build the previous student link
+ my $previous = &Apache::lonstatistics::previous_student();
+ my $previousbutton = '';
+ if (defined($previous)) {
+ my $sname = $previous->{'username'}.':'.$previous->{'domain'};
+ $previousbutton .= '';
+ } else {
+ $previousbutton .= '';
+ }
+ #
+ # Build the next student link
+ my $next = &Apache::lonstatistics::next_student();
+ my $nextbutton = '';
+ if (defined($next)) {
+ my $sname = $next->{'username'}.':'.$next->{'domain'};
+ $nextbutton .= '';
+ } else {
+ $nextbutton .= '';
+ }
+ #
+ # Build the 'all students' button
+ my $all = '';
+ $all .= '';
+ $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
+ return $Str;
+}
+
+#######################################################
+#######################################################
+
+sub get_student_fields_to_show {
+ my @to_show = @Apache::lonstatistics::SelectedStudentData;
+ foreach (@to_show) {
+ if ($_ eq 'all') {
+ @to_show = @Apache::lonstatistics::StudentDataOrder;
+ last;
+ }
+ }
+ return @to_show;
+}
+
+#######################################################
+#######################################################
=pod
@@ -146,151 +309,434 @@ the chart page.
#######################################################
sub CreateInterface {
my $Str = '';
+ $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'Chart');
# $Str .= &CreateLegend();
$Str .= '
'."\n";
+ $Str .= '';
+ $Str .= ' 'x5;
+ $Str .= '';
+ $Str .= ' 'x5;
+ $Str .= '';
+ $Str .= ' 'x5;
+ $Str .=
+ &mt('Status[_1]',
+ '');
+ $Str .= ' ';
return $Str;
}
-
#######################################################
#######################################################
=pod
-=item Table Output Routines
-
-=over 4
+=item &CreateAndParseOutputSelector()
=cut
#######################################################
#######################################################
-{
- my $padding;
+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 .= "
\n";
+ foreach my $outputmode (@OutputOptions) {
+ $Str .="
".$outputmode->{'name'}."
\n";
+ $Str .="
".$outputmode->{'description'}."
\n";
+ }
+ $Str .= "
\n";
+ return $Str;
+}
-=pod
+sub CreateAndParseOutputSelector {
+ my $Str = '';
+ my $elementname = 'chartoutputmode';
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ [$elementname]);
+ #
+ # Format for output options is 'mode, restrictions';
+ my $selected = 'html, without links';
+ if (exists($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';
+ foreach my $option (@OutputOptions) {
+ next if ($option->{'value'} ne $selected);
+ $output_mode = $option->{'mode'};
+ $show_links = $option->{'show_links'};
+ }
-=item &CreateTableHeadings()
+ #
+ # Build the form element
+ $Str = qq/";
+ return $Str;
+}
-Create HTML for the columns of student data to show.
-Called by &BuildStudentAssessmentPage(). Calls
-&Apache::lonhtmlcommon::CreateHeadings().
+##
+## Data selector stuff
+##
+my @OutputDataOptions =
+ (
+ { name => 'Scores Summary',
+ base => 'scores',
+ value => 'sum and total',
+ scores => 1,
+ tries => 0,
+ every_problem => 0,
+ sequence_sum => 1,
+ sequence_max => 1,
+ grand_total => 1,
+ grand_maximum => 1,
+ summary_table => 1,
+ maximum_row => 1,
+ shortdesc => 'Total Score and Maximum Possible for each '.
+ 'Sequence or Folder',
+ longdesc => 'The score of each student as well as the '.
+ ' maximum possible on each Sequence or Folder.',
+ },
+ { name => 'Scores Per Problem',
+ base => 'scores',
+ value => 'scores',
+ scores => 1,
+ tries => 0,
+ correct => 0,
+ every_problem => 1,
+ sequence_sum => 1,
+ sequence_max => 1,
+ grand_total => 1,
+ grand_maximum => 1,
+ summary_table => 1,
+ maximum_row => 1,
+ shortdesc => 'Score on each Problem Part',
+ longdesc =>'The students score on each problem part, computed as'.
+ 'the part weight * part awarded',
+ },
+ { name =>'Tries',
+ base =>'tries',
+ value => 'tries',
+ scores => 0,
+ tries => 1,
+ correct => 0,
+ every_problem => 1,
+ sequence_sum => 0,
+ sequence_max => 0,
+ grand_total => 0,
+ grand_maximum => 0,
+ summary_table => 0,
+ maximum_row => 0,
+ shortdesc => 'Number of Tries before success on each Problem Part',
+ longdesc =>'The number of tries before success on each problem part.',
+ non_html_notes => 'negative values indicate an incorrect problem',
+ },
+ { name =>'Parts Correct',
+ base =>'tries',
+ value => 'parts correct total',
+ scores => 0,
+ tries => 0,
+ correct => 1,
+ every_problem => 1,
+ sequence_sum => 1,
+ sequence_max => 1,
+ grand_total => 1,
+ grand_maximum => 1,
+ summary_table => 1,
+ maximum_row => 0,
+ shortdesc => 'Number of Problem Parts completed successfully.',
+ longdesc => 'The Number of Problem Parts completed successfully and '.
+ 'the maximum possible for each student',
+ },
+ );
-Inputs:
+sub HTMLifyOutputDataDescriptions {
+ my $Str = '';
+ $Str .= "
\n";
+ return $Str;
+}
-=over 4
+sub CreateAndParseOutputDataSelector {
+ my $Str = '';
+ my $elementname = 'chartoutputdata';
+ #
+ my $selected = 'scores';
+ if (exists($ENV{'form.'.$elementname})) {
+ if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
+ $selected = $ENV{'form.'.$elementname}->[0];
+ } else {
+ $selected = $ENV{'form.'.$elementname};
+ }
+ }
+ #
+ $chosen_output = $OutputDataOptions[0];
+ foreach my $option (@OutputDataOptions) {
+ if ($option->{'value'} eq $selected) {
+ $chosen_output = $option;
+ }
+ }
+ #
+ # Build the form element
+ $Str = qq/";
+ return $Str;
+
+}
-=item $cache The ubiquitous cache
+#######################################################
+#######################################################
+sub count_parts {
+ my ($navmap,$sequence) = @_;
+ my @resources = &get_resources($navmap,$sequence);
+ my $count = 0;
+ foreach my $res (@resources) {
+ $count += scalar(@{$res->parts});
+ }
+ return $count;
+}
+
+sub get_resources {
+ my ($navmap,$sequence) = @_;
+ my @resources = $navmap->retrieveResources($sequence,
+ sub { shift->is_problem(); },
+ 0,0,0);
+ return @resources;
+}
+
+#######################################################
+#######################################################
-=item $spacing A string of spaces
+=pod
-=item $infoKeys Array ref to names of keys to display from the cache
-which describe students
+=head2 HTML output routines
-=item $infoHeadings Array ref to headings of columns for student info
+=item &html_initialize($r)
-=item $sequenceKeys Array ref of names of keys to use to retrieve sequence
-data from the cache
+Create labels for the columns of student data to show.
-=item $sequenceHeadings Array ref of names of sequences used for output.
+=item &html_outputstudent($r,$student)
-=back
+Return a line of the chart for a student.
-Returns: A string containing the HTML of the table headings.
+=item &html_finish($r)
=cut
#######################################################
#######################################################
-sub CreateTableHeadings {
+{
+ 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
+ my $total_sum_width;
+
+ my %width; # Holds sequence width information
+ my @sequences;
+ my $navmap; # Have to keep this around since weakref is a bit zealous
+
+sub html_initialize {
+ my ($r) = @_;
#
$padding = ' 'x3;
+ $count = 0;
+ $nodata_count = 0;
+ undef(%prog_state);
+ undef(%width);
#
- my $Str = '
';
- # First, the @StudentData fields need to be listed
- my @to_show = @Apache::lonstatistics::SelectedStudentData;
- foreach (@to_show) {
- if ($_ eq 'all') {
- @to_show = @Apache::lonstatistics::StudentDataOrder;
- last;
- }
+ 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.').
+ '
\n";
+ # First, the @StudentData fields need to be listed
+ my @to_show = &get_student_fields_to_show();
foreach my $field (@to_show) {
my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
$Str .= $title.' 'x($width-$base).$padding;
}
- # Now the selected sequences need to be listed
- foreach my $map_symb (@Apache::lonstatistics::SelectedMaps) {
- foreach my $sequence (@Apache::lonstatistics::Sequences) {
- next if ($sequence->{'symb'} ne $map_symb && $map_symb ne 'all');
- next if ($sequence->{'num_assess'} < 1);
- my $title = $sequence->{'title'};
- my $base = $sequence->{'base_width'};
- my $width = $sequence->{'width'};
- $Str .= $title.' 'x($width-$base).$padding;
+ #
+ # Compute the column widths and output the sequence titles
+ 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;
+ }
+ # 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 {
+ $width{$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));
+ }
+ #
+ # Output the sequence titles
+ $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
+ length($title)
+ )).$padding;
}
- $Str .= 'total';
- $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::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->{'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);
+ $cols_output++;
+
+ }
+ }
+ if ($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 (@sequences) {
+ my $symb = $seq->symb;
+ $cols_output=$formula_data{$symb}->{'Excel:startcol'};
+ $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
+ ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
+ $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
+ ($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
+ my $weight;
+ my $max = 0;
+ foreach my $resource (&get_resources($navmap,$seq)) {
+ 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'} &&
+ $chosen_output->{'every_problem'}) {
+ my %replaceCells=
+ ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
+ $formula_data{$symb}->{'Excel:endcell'}.'$' =>
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
+ $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
+ $formula_data{$symb}->{'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++,
+ $maximum_formula,undef,
+ %maximum_cell_translation);
+ }
+ } # End of MAXIMUM row output if ($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 (@sequences) {
+ my $symb = $seq->symb;
+ $cols_output = 0;
+ $excel_sheet->write($row,$cols_output++,
+ $seq->compTitle,
+ $format->{'bold'});
+ if ($chosen_output->{'maximum_row'}) {
+ $excel_sheet->write
+ ($row,$cols_output++,
+ '='.
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
+ ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
+ );
+ }
+ my $range =
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
+ ($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
+ ':'.
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
+ ($first_data_row+$num_students-1,$formula_data{$symb}->{'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('
'.&mt('Compiling Excel spreadsheet for [_1] students',
+ $studentcount)."
\n");
+ } else {
+ $r->print('
'.
+ &mt('Compiling Excel spreadsheet for 1 student').
+ "
\n");
+ }
+ $r->rflush();
+ #
+ # Initialize progress window
+ %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
+ ($r,'Excel File Compilation Status',
+ 'Excel File Compilation Progress', $studentcount,
+ 'inline',undef,'Statistics','stats_status');
+ #
+ &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
+ 'Processing first student');
+ return;
+}
+
+sub excel_outputstudent {
+ my ($r,$student) = @_;
+ if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
+ return;
+ }
+ $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 (@sequences) {
+ my $symb = $seq->symb;
+ $cols_output = $formula_data{$symb}->{'Excel:startcol'};
+ # Keep track of cells to translate in total cell
+ $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} =
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
+ ($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
+ # and maximum cell
+ $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} =
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
+ ($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
+ #
+ my ($performance,$performance_length,$score,$seq_max,$rawdata);
+ if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
+ ($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'}) {
+ # 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'} &&
+ $chosen_output->{'every_problem'}) {
+ # Write a formula for the sum of this sequence
+ my %replaceCells=
+ ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
+ =>
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
+ );
+ # The undef is for the format
+ $excel_sheet->repeat_formula($rows_output,$cols_output++,
+ $formula_data{$symb}->{'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,
+ %maximum_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 ($r) = @_;
+ if ($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");
+ $r->rflush();
+ return;
}
+}
#######################################################
#######################################################
=pod
-=item &StudentPerformanceOnSequence()
+=head2 CSV output routines
+
+=item &csv_initialize($r)
+
+=item &csv_outputstudent($r,$student)
+
+=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(<Unable to Complete Request
+
+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
+ $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";
+ 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 $resource_row."\n";
+ return;
+}
+
+sub csv_outputstudent {
+ my ($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;
+}
+
+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");
+ $r->rflush();
+ return;
+
+}
+
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=item &StudentTriesOnSequence()
Inputs:
@@ -376,139 +1760,221 @@ Inputs:
#######################################################
#######################################################
-sub StudentPerformanceOnSequence {
- my ($student,$studentdata,$seq,$links) = @_;
+sub student_tries_on_sequence {
+ my ($student,$studentdata,$navmap,$seq,$links) = @_;
+ $links = 'no' if (! defined($links));
my $Str = '';
- my $output_width = 0;
my ($sum,$max) = (0,0);
- foreach my $resource (@{$seq->{'contents'}}) {
- next if ($resource->{'type'} ne 'assessment');
- my $resource_data = $studentdata->{$resource->{'symb'}};
+ 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'}}) {
+ 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'})) {
- 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') {
+ $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_student' &&
- exists($resource_data->{'resource.'.$partnum.'.tries'})){
- my $num = $resource_data->{'resource.'.$partnum.'.tries'};
- if ($num > 9) {
+ } elsif ($status eq 'correct_by_override') {
+ $symbol = '+';
+ $sum++;
+ } elsif ($tries > 0) {
+ if ($tries > 9) {
$symbol = '*';
- } elsif ($num > 0) {
- $symbol = $num;
} else {
- $symbol = ' ';
+ $symbol = $tries;
}
$sum++;
} else {
- $symbol = ' ';
+ $symbol = '+';
+ $sum++;
}
} else {
- # Unsolved. Did they try?
- if (exists($resource_data->{'resource.'.$partnum.'.tries'})){
+ # The student has the problem incorrect or it is ungraded
+ if ($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 {
- $symbol = ' ';
+ # Problem is wrong and has not been attempted.
+ $symbol=' ';
}
}
#
- $output_width++;
- if (defined($links) && $symbol ne ' ') {
+ if (! defined($tries)) {
+ $tries = 0;
+ }
+ if ($status =~ /^(incorrect|ungraded)/) {
+ # Bug 3390: show '-' for tries on incorrect problems
+ # (csv & excel only)
+ push(@TriesData,-$tries);
+ } else {
+ push (@TriesData,$tries);
+ }
+ #
+ 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;
}
- # Put on the totals
- my $ratio = $sum.'/'.$max;
- my $ratio_length = scalar(my @tmp1 = split(//,$ratio));
- # Pad with extra spaces
- my $width = $seq->{'width'};
- $Str .= ' 'x($width-$output_width-$ratio_length).$ratio;
- #
- return ($Str,$sum,$max);
+ if ($seq->randompick()) {
+ $max = $seq->randompick();
+ }
+ if (! $hasdata && $sum == 0) {
+ $sum = ' ';
+ }
+ return ($Str,$performance_length,$sum,$max,\@TriesData);
}
#######################################################
#######################################################
-sub StudentAverageTotal {
- my ($cache, $students, $sequenceKeys)=@_;
- my $Str = "\nSummary Tables:\n";
- my %Correct = ();
- my $ProblemsSolved = 0;
- my $TotalProblems = 0;
- my $StudentCount = 0;
-
- foreach my $name (@$students) {
- $StudentCount++;
- foreach my $sequence (@$sequenceKeys) {
- $Correct{$sequence} +=
- $cache->{$name.':'.$sequence.':problemsCorrect'};
- }
- $ProblemsSolved += $cache->{$name.':problemsSolved'};
- $TotalProblems += $cache->{$name.':totalProblems'};
- }
- if ($StudentCount) {
- $ProblemsSolved = sprintf( "%.2f",
- $ProblemsSolved/$StudentCount);
- $TotalProblems /= $StudentCount;
- } else {
- $ProblemsSolved = 0;
- $TotalProblems = 0;
- }
- $Str .= '
'."\n";
- $Str .= '
Students Count
'.
- $StudentCount.'
'."\n";
- $Str .= '
Total Problems
'.
- $TotalProblems.'
'."\n";
- $Str .= '
Average Correct
'.
- $ProblemsSolved.'
'."\n";
- $Str .= '
'."\n";
+=pod
- $Str .= '
'."\n";
- $Str .= '
Title
Total Problems
'.
- '
Average Correct
'."\n";
- foreach my $S(@$sequenceKeys) {
- my $title=$cache->{$S.':title'};
- #$Str .= $cache->{$S.':problems'};
- #my @problems=split(':', $cache->{$S.':problems'});
- #my $pCount=scalar @problems;
- my $pCount=MaxSeqPr($cache,@$students[0],$S);
- my $crr;
- if ($StudentCount) {
- $crr=sprintf( "%.2f", $Correct{$S}/$StudentCount );
- } else {
- $crr="0.00";
- }
- $Str .= '