WARNING: ';
- $Str .= 'No Students enrolled OR Please select a student
';
- $r->print($Str);
+ #
+ # Build the next student link
+ my $next = &Apache::lonstatistics::next_student();
+ my $nextbutton = '';
+ if (defined($next)) {
+ my $sname = $next->{'username'}.':'.$next->{'domain'};
+ $nextbutton .= '';
} else {
- if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- $r->print(&StudentAverageTotal(\%cache, $students, $sequenceKeys));
- untie(%cache);
- }
+ $nextbutton .= '';
}
- return;
+ #
+ # 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;
+}
+
#######################################################
#######################################################
@@ -245,23 +301,7 @@ sub BuildStudentAssessmentPage {
Called by &BuildStudentAssessmentPage to create the top part of the
page which displays the chart.
-Inputs:
-
-=over 4
-
-=item $cache The ubiquitous cache
-
-=item $selectedName The name of the currently selected student, or
-'All Students' or 'No Student Selected'.
-
-=item $students Array ref containing the name(s) of the students selected
-for display.
-
-=item $formName The name of the HTML form to use, 'Statistics'
-
-=item $doNotShow Array ref containing the names of columns to not show
-
-=back
+Inputs: None
Returns: A string containing the HTML for the headers and top table for
the chart page.
@@ -271,126 +311,292 @@ the chart page.
#######################################################
#######################################################
sub CreateInterface {
- my($cache,$selectedName,$students,$formName,$doNotShow)=@_;
-
my $Str = '';
- $Str .= &CreateLegend();
- $Str .= '
'."\n";
- $Str .= '';
+ $Str .= ' 'x5;
+ $Str .= '';
+ $Str .= ' 'x5;
+ $Str .= '';
+ $Str .= ' 'x5;
+ $Str .=
+ &mt('Status[_1]',
+ '');
+ $Str .= ' ';
return $Str;
}
+
#######################################################
#######################################################
=pod
-=item &CreateTableHeadings()
-
-Create HTML for the columns of student data to show.
-Called by &BuildStudentAssessmentPage(). Calls
-&Apache::lonhtmlcommon::CreateHeadings().
+=item &CreateAndParseOutputSelector()
-Inputs:
-
-=over 4
-
-=item $cache The ubiquitous cache
-
-=item $spacing A string of spaces
+=cut
-=item $infoKeys Array ref to names of keys to display from the cache
-which describe students
+#######################################################
+#######################################################
+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',
+ },
+ );
-=item $infoHeadings Array ref to headings of columns for student info
+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;
+}
-=item $sequenceKeys Array ref of names of keys to use to retrieve sequence
-data from the cache
+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'};
+ }
+
+ #
+ # Build the form element
+ $Str = qq/";
+ return $Str;
+}
-=item $sequenceHeadings Array ref of names of sequences used for output.
+##
+## 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',
+ },
+ );
-=back
+sub HTMLifyOutputDataDescriptions {
+ my $Str = '';
+ $Str .= "
'."\n";
+sub count_parts {
+ my ($navmap,$sequence) = @_;
+ my @resources = &get_resources($navmap,$sequence);
+ my $count = 0;
+ foreach my $res (@resources) {
+ $count += scalar(@{$res->parts});
+ }
+ return $count;
+}
- return $Str;
+sub get_resources {
+ my ($navmap,$sequence) = @_;
+ my @resources = $navmap->retrieveResources($sequence,
+ sub { shift->is_problem(); },
+ 0,0,0);
+ return @resources;
}
#######################################################
@@ -398,246 +604,318 @@ sub CreateTableHeadings {
=pod
-=item &StudentReport()
-
-This is the workhorse subroutine - it handles formatting and display of a
-students performance data. It processes one row of the chart.
-
-Input:
-
-=over 4
-
-=item $cache The ubiquitous cache
-
-=item $name The name and domain of the current student in name:domain format
+=head2 HTML output routines
-=item $spacing A string containing spaces.
+=item &html_initialize($r)
-=item $showSequences Array ref containing the sequences to display
+Create labels for the columns of student data to show.
-=back
+=item &html_outputstudent($r,$student)
-Output: $Str
+Return a line of the chart for a student.
-$Str: Formatted string that is an entire row of the chart. It is a
-concatenation of student information and student course information.
+=item &html_finish($r)
=cut
#######################################################
#######################################################
-sub StudentReport {
- my ($cache,$name,$spacing,$showSequences)=@_;
- my ($username,$domain)=split(':',$name);
+{
+ 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;
+ $nodata_count = 0;
+ undef(%prog_state);
+ undef(%width);
+ #
+ undef($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";
+ return $Str;
}
-#######################################################
-#######################################################
-
-=pod
-
-=item &CreateLegend()
-
-This function returns a formatted string containing the legend for the
-chart. The legend describes the symbols used to represent grades for
-problems.
-
-=cut
-
-#######################################################
-#######################################################
-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;
}
#######################################################
@@ -645,103 +923,835 @@ sub CreateLegend {
=pod
-=item &CreateColumnSelectionBox()
-
-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.
+=head2 EXCEL subroutines
-=over 4
-Input: $CacheData, $headings
-
-$CacheData: A pointer to a hash tied to the cached data
+=item &excel_initialize($r)
-$headings: An array of the names of the columns for the student information.
-They are used for displaying which columns are missing.
+=item &excel_outputstudent($r,$student)
-Output: $notThere
-
-$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.
-
-=back
+=item &excel_finish($r)
=cut
#######################################################
#######################################################
-sub CreateColumnSelectionBox {
- my ($doNotShow)=@_;
+{
- my $notThere = '';
- $notThere .= '';
+ }
+ }
+ if ($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;
+}
- return $notThere;
+sub excel_outputstudent {
+ my ($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");
+ $r->rflush();
+ return;
+}
+
+}
#######################################################
#######################################################
=pod
-=item &CreateColumnSelectors()
+=head2 CSV output routines
-This function generates the checkboxes above the column headings. The
-column will be removed if the checkbox is unchecked.
+=item &csv_initialize($r)
-=over 4
-
-Input: $CacheData, $headings
-
-$CacheData: A pointer to a hash tied to the cached data
-
-$headings: An array of the names of the columns for the student
-information. They are used to know what are the student information columns
-
-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.
+=item &csv_outputstudent($r,$student)
-=back
+=item &csv_finish($r)
=cut
#######################################################
#######################################################
-sub CreateColumnSelectors {
- my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_;
+{
+
+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/) {
+ $r->print(<Unable to Complete Request
+
+The Summary Table (Scores) option is not available for non-HTML output.
+
'."\n";
+sub csv_finish {
+ my ($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;
+
+}
- return $present;
}
#######################################################
@@ -749,70 +1759,151 @@ sub CreateColumnSelectors {
=pod
-=back
+=item &StudentTriesOnSequence()
-=head1 HELPER FUNCTIONS
+Inputs:
=over 4
-=cut
+=item $student
-#######################################################
-#######################################################
-sub FindSelectedStudent {
- my($cache, $selectedName, $students)=@_;
+=item $studentdata Hash ref to all student data
- if($selectedName eq 'All Students' ||
- $selectedName eq 'No Student Selected') {
- return $selectedName;
- }
+=item $seq Hash ref, the sequence we are working on
+
+=item $links if defined we will output links to each resource.
- 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 $selectedName;
+=back
+
+=cut
+
+#######################################################
+#######################################################
+sub student_tries_on_sequence {
+ my ($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
+
+=item $studentdata Hash ref to all student data
-$cache: A pointer to the hash tied to the cached data
+=item $seq Hash ref, the sequence we are working on
-$test: The form name of the column (heading.$headingIndex) or
-(sequence.$sequenceIndex)
+=item $links if defined we will output links to each resource.
=back
@@ -820,51 +1911,120 @@ $test: The form name of the column (head
#######################################################
#######################################################
-sub ShouldShowColumns {
- my ($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".
+ "