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;
}
+
#######################################################
#######################################################
@@ -246,23 +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 $doNotShow Array ref containing the names of columns to not show
-
-=back
+Inputs: None
Returns: A string containing the HTML for the headers and top table for
the chart page.
@@ -272,375 +311,598 @@ the chart page.
#######################################################
#######################################################
sub CreateInterface {
- my($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().
-
-Inputs:
-
-=over 4
-
-=item $cache The ubiquitous cache
-
-=item $spacing A string of spaces
-
-=item $infoKeys Array ref to names of keys to display from the cache
-which describe students
-
-=item $infoHeadings Array ref to headings of columns for student info
-
-=item $sequenceKeys Array ref of names of keys to use to retrieve sequence
-data from the cache
-
-=item $sequenceHeadings Array ref of names of sequences used for output.
-
-=back
-
-Returns: A string containing the HTML of the table headings.
+=item &CreateAndParseOutputSelector()
=cut
#######################################################
#######################################################
-sub CreateTableHeadings {
- my($cache,$spacing,$infoKeys,$infoHeadings,$sequenceKeys,
- $sequenceHeadings)=@_;
+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',
+ },
+ );
-# my $Str = ' ';
+sub OutputDescriptions {
my $Str = '';
- $Str .= '
\n";
+ return $Str;
+}
-This is the workhorse subroutine - it handles formatting and display of a
-students performance data. It processes one row of the chart.
+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;
-Input:
+}
-=over 4
+#######################################################
+#######################################################
-=item $cache The ubiquitous cache
+=pod
-=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);
+ &Apache::lonnet::logthis('called html_initialize');
+ #
+ $r->print("
\n";
+ # First, the @StudentData fields need to be listed
+ my @to_show = &get_student_fields_to_show();
+ foreach my $field (@to_show) {
+ my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
+ my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
+ my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
+ $Str .= $title.' 'x($width-$base).$padding;
+ }
+ #
+ # Compute the column widths and output the sequence titles
+ my $total_count;
+ ($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.').
+ '
');
+ }
+ #
+ # 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 += $width{$symb}->{'num_assess_parts'};
+ # 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'}=0;
+ $starttime = Time::HiRes::time;
+ my @resources =
+ $navmap->retrieveResources($seq,sub { shift->is_problem(); },
+ 0,0,0);
+ $starttime = Time::HiRes::time;
+ foreach my $res (@resources) {
+ my @parts = @{$res->parts};
+ $width{$symb}->{'width_parts'} += scalar(@parts);
+ }
+ &Apache::lonnet::logthis('2elapsed:'.(Time::HiRes::time-$starttime)); $width{$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;
+ }
+ $total_sum_width = length($total_count)+1;
+ $Str .= " total
\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;
}
#######################################################
@@ -648,103 +910,808 @@ 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.
-
-=over 4
-Input: $CacheData, $headings
+=head2 EXCEL subroutines
-$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 = '';
- $notThere .= '';
+sub excel_outputstudent {
+ my ($r,$student) = @_;
+ return if ($request_aborted);
+ return if (! defined($excel_sheet));
+ $cols_output=0;
+ #
+ # Write out student data
+ my @to_show = &get_student_fields_to_show();
+ foreach my $field (@to_show) {
+ my $value = $student->{$field};
+ if ($field eq 'comments') {
+ $value = &Apache::lonmsg::retrieve_instructor_comments
+ ($student->{'username'},$student->{'domain'});
+ }
+ $excel_sheet->write($rows_output,$cols_output++,$value);
+ }
+ #
+ # Get student assessment data
+ my %StudentsData;
+ my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
+ $student->{'domain'},
+ undef,
+ $ENV{'request.course.id'});
+ if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
+ %StudentsData = @tmp;
+ }
+ #
+ # Write out sequence scores and totals data
+ my %total_cell_translation;
+ my %maximum_cell_translation;
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ $cols_output = $seq->{'Excel:startcol'};
+ # Keep track of cells to translate in total cell
+ $total_cell_translation{$seq->{'Excel:scorecell'}} =
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
+ ($rows_output,$seq->{'Excel:scorecol'});
+ # and maximum cell
+ $maximum_cell_translation{$seq->{'Excel:maxcell'}} =
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
+ ($rows_output,$seq->{'Excel:maxcol'});
+ #
+ my ($performance,$performance_length,$score,$seq_max,$rawdata);
+ if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &StudentTriesOnSequence($student,\%StudentsData,
+ $seq,'no');
+ } else {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &StudentPerformanceOnSequence($student,\%StudentsData,
+ $seq,'no');
+ }
+ if ($chosen_output->{'every_problem'}) {
+ if ($chosen_output->{'correct'}) {
+ # only indiciate if each item is correct or not
+ foreach my $value (@$rawdata) {
+ # nonzero means correct
+ $value = 1 if ($value > 0);
+ $excel_sheet->write($rows_output,$cols_output++,$value);
+ }
+ } else {
+ foreach my $value (@$rawdata) {
+ if ($score eq ' ' || !defined($value)) {
+ $cols_output++;
+ } else {
+ $excel_sheet->write($rows_output,$cols_output++,
+ $value);
+ }
+ }
+ }
+ }
+ if ($chosen_output->{'sequence_sum'} &&
+ $chosen_output->{'every_problem'}) {
+ # Write a formula for the sum of this sequence
+ my %replaceCells=
+ ('^'.$seq->{'Excel:startcell'}.':'.$seq->{'Excel:endcell'}.'$'
+ =>
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$seq->{'Excel:startcol'}).':'.
+ &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$seq->{'Excel:endcol'})
+ );
+ # The undef is for the format
+ $excel_sheet->repeat_formula($rows_output,$cols_output++,
+ $seq->{'Excel:sum'},undef,
+ %replaceCells);
+ } elsif ($chosen_output->{'sequence_sum'}) {
+ if ($score eq ' ') {
+ $cols_output++;
+ } else {
+ $excel_sheet->write($rows_output,$cols_output++,$score);
+ }
+ }
+ if ($chosen_output->{'sequence_max'}) {
+ $excel_sheet->write($rows_output,$cols_output++,$seq_max);
+ }
+ }
+ #
+ if ($chosen_output->{'grand_total'}) {
+ $excel_sheet->repeat_formula($rows_output,$cols_output++,
+ $total_formula,undef,
+ %total_cell_translation);
+ }
+ if ($chosen_output->{'grand_maximum'}) {
+ $excel_sheet->repeat_formula($rows_output,$cols_output++,
+ $maximum_formula,undef,
+ %maximum_cell_translation);
+ }
+ #
+ # Bookkeeping
+ $rows_output++;
+ $cols_output=0;
+ #
+ # Update the progress window
+ &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
+ return;
+}
- return $notThere;
+sub excel_finish {
+ my ($r) = @_;
+ return if ($request_aborted);
+ return if (! defined($excel_sheet));
+ #
+ # Write the excel file
+ $excel_workbook->close();
+ my $c = $r->connection();
+ #
+ return if($c->aborted());
+ #
+ # Close the progress window
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ #
+ # Tell the user where to get their excel file
+ $r->print(' '.
+ 'Your Excel spreadsheet.'."\n");
+ $r->rflush();
+ return;
}
+}
#######################################################
#######################################################
=pod
-=item &CreateColumnSelectors()
-
-This function generates the checkboxes above the column headings. The
-column will be removed if the checkbox is unchecked.
-
-=over 4
-
-Input: $CacheData, $headings
+=head2 CSV output routines
-$CacheData: A pointer to a hash tied to the cached data
+=item &csv_initialize($r)
-$headings: An array of the names of the columns for the student
-information. They are used to know what are the student information columns
+=item &csv_outputstudent($r,$student)
-Output: $present
-
-$present: The string contains the first row of a table. Each column contains
-a checkbox which is left justified. Currently left justification is used
-for consistency of location over the column in which it presides.
-
-=back
+=item &csv_finish($r)
=cut
#######################################################
#######################################################
-sub CreateColumnSelectors {
- my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_;
+{
- my $present = '';
- for(my $index=0; $index<(scalar @$infoHeadings); $index++) {
- $present .= '
'."\n";
+sub csv_outputstudent {
+ my ($r,$student) = @_;
+ return if ($request_aborted);
+ return if (! defined($outputfile));
+ 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 $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ my ($performance,$performance_length,$score,$seq_max,$rawdata);
+ if ($chosen_output->{'tries'}){
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &StudentTriesOnSequence($student,\%StudentsData,
+ $seq,'no');
+ } else {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &StudentPerformanceOnSequence($student,\%StudentsData,
+ $seq,'no');
+ }
+ if ($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 ($r) = @_;
+ return if ($request_aborted);
+ 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(' '.
+ ''.&mt('Your csv file.').''."\n");
+ $r->rflush();
+ return;
+
+}
- return $present;
}
#######################################################
@@ -752,70 +1719,153 @@ 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.
+
+=back
- 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 $selectedName;
+=cut
+
+#######################################################
+#######################################################
+sub student_tries_on_sequence {
+ my ($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
+ my @resources =
+ $navmap->retrieveResources($seq,sub { shift->is_problem(); },0,0,0);
+ foreach my $resource (@resources) {
+ 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 &StudentPerformanceOnSequence()
-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
@@ -823,51 +1873,122 @@ $test: The form name of the column (head
#######################################################
#######################################################
-sub ShouldShowColumns {
- my ($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
+ my @resources =
+ $navmap->retrieveResources($seq,sub { shift->is_problem(); },0,0,0);
+ foreach my $resource (@resources) {
+ 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".
+ "