'."\n");
- foreach (@$students) {
- if($c->aborted()) { return $Str; }
- next if ($_ ne $selectedName &&
- $selectedName ne 'All Students');
- $selected = 1;
-
- my @who = ($_);
- next if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'true',
- $cacheDB, 'true',
- 'false', $courseID,
- $r, $c) ne 'OK');
- next if($c->aborted());
-
- if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- my @before=();
- my @after=();
- my @updateColumn=();
- my $foundUpdate = 0;
- foreach(@$infoKeys) {
- if(/updateTime/) {
- $foundUpdate=1;
- push(@updateColumn, $_);
- next;
- }
- if($foundUpdate) {
- push(@after, $_);
- } else {
- push(@before, $_);
- }
- }
- my $displayString = 'DISPLAYDATA'.$spacing;
- $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
- \%cache, $_,
- \@before,
- $displayString,
- 'preformatted'));
-
- if($foundUpdate) {
- $displayString = '';
- $displayString .= '';
- $displayString .= 'DISPLAYDATA'.$spacing;
- $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
- \%cache, $_,
- \@updateColumn,
- $displayString,
- 'preformatted'));
- }
-
- $displayString = 'DISPLAYDATA'.$spacing;
- $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
- \%cache, $_,
- \@after,
- $displayString,
- 'preformatted'));
- $r->print(&StudentReport(\%cache, $_, $spacing, $sequenceKeys));
- $r->print("\n");
- $r->rflush();
- untie(%cache);
- }
- }
- $r->print(''."\n");
- if($selected == 0) {
- $Str .= '| '."\n"; - $Str .= ' | '; + $Str .= ''.&mt('Student Data').' | '; + $Str .= ''.&mt('Enrollment Status').' | '; + $Str .= ''.&mt('Sequences and Folders').' | '; + $Str .= ''.&mt('Output Format').''. + &Apache::loncommon::help_open_topic("Chart_Output_Formats"). + ' | '; + $Str .= ''.&mt('Output Data').''. + &Apache::loncommon::help_open_topic("Chart_Output_Data"). + ' | '; + $Str .= '||||||||||||||||||||||||
| '."\n"; - my @sections = split(':',$cache->{'sectionList'}); - my @selectedSections = split(':',$cache->{'sectionsSelected'}); - $Str .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections, - \@selectedSections, - 'Statistics'); + $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); $Str .= ' | '; - $Str .= &CreateColumnSelectionBox($doNotShow); + my $only_seq_with_assessments = sub { + my $s=shift; + if ($s->{'num_assess'} < 1) { + return 0; + } else { + return 1; + } + }; + $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple', + 5,undef); $Str .= ' | '."\n";
- $Str .= '';
+ $Str .= ' 'x5;
+ $Str .= '';
+ $Str .= ' 'x5;
+ $Str .= '';
+ $Str .= ' 'x5;
+ $Str .= ' '; return $Str; } -sub CreateTableHeadings { - my($cache,$spacing,$infoKeys,$infoHeadings,$sequenceKeys, - $sequenceHeadings)=@_; +####################################################### +####################################################### - my $Str = ''; - $Str .= '
Output Formats\n"; + $Str .= "
Output Data\n"; + $Str .= "
".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}. + " ".localtime(time).""); + if ($chosen_output->{'base'} !~ /^final table/) { + $r->print("".$chosen_output->{'shortdesc'}.""); + } + my $Str = "\n";
+ # First, the @StudentData fields need to be listed
+ my @to_show = &get_student_fields_to_show();
+ foreach my $field (@to_show) {
+ my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
+ my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
+ my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
+ $Str .= $title.' 'x($width-$base).$padding;
+ }
+ #
+ # Compute the column widths and output the sequence titles
+ foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
+ #
+ # Comptue column widths
+ $sequence->{'width_sum'} = 0;
+ if ($chosen_output->{'sequence_sum'}) {
+ # Use 3 digits for the sum
+ $sequence->{'width_sum'} = 3;
+ }
+ if ($chosen_output->{'sequence_max'}) {
+ if ($sequence->{'width_sum'}>0) {
+ # One digit for the '/'
+ $sequence->{'width_sum'} +=1;
+ }
+ # Use 3 digits for the total
+ $sequence->{'width_sum'}+=3;
+ }
+ if ($chosen_output->{'every_problem'}) {
+ # one problem per digit
+ $sequence->{'width_problem'} = $sequence->{'num_assess_parts'};
+ } else {
+ $sequence->{'width_problem'} = 0;
+ }
+ $sequence->{'width_total'} = $sequence->{'width_problem'} +
+ $sequence->{'width_sum'};
+ if ($sequence->{'width_total'} < length($sequence->{'title'})) {
+ $sequence->{'width_total'} = length($sequence->{'title'});
+ $sequence->{'width_problem'} =
+ $sequence->{'width_total'} - $sequence->{'width_sum'};
+ }
+ #
+ # Output the sequence titles
+ $Str .=
+ $sequence->{'title'}.' 'x($sequence->{'width_total'}-
+ length($sequence->{'title'})
+ ).$padding;
+ }
+ $Str .= "total\n";
+ $Str .= "";
+ $r->print($Str);
+ $r->rflush();
+ return;
+}
+
+sub html_outputstudent {
+ my ($r,$student) = @_;
my $Str = '';
- if(defined($cache->{$name.':error'})) {
- return $Str;
+ #
+ if($count++ % 5 == 0 && $count > 0) {
+ $r->print("");
}
- if($cache->{$name.':error'} =~ /course/) {
- $Str .= 'No course data for student ';
- $Str .= ''.$username.'.\n");
+ if ($chosen_output->{'summary_table'}) {
+ if ($single_student_mode) {
+ $r->print(&SingleStudentTotal());
+ } else {
+ $r->print(&StudentAverageTotal());
+ }
+ }
+ $r->rflush();
+ return;
+}
+sub StudentAverageTotal {
+ my $Str = "Summary Tables\n"; + my $num_students = scalar(@Apache::lonstatistics::Students); + my $total_ave = 0; + my $total_max = 0; + $Str .= '
". - "1..9: correct by student in 1..9 tries\n". - " *: correct by student in more than 9 tries\n". - " +: correct by override\n". - " -: incorrect by override\n". - " .: incorrect attempted\n". - " #: ungraded attempted\n". - " : not attempted\n". - " x: excused". - " "; +sub SingleStudentTotal { + my $student = &Apache::lonstatistics::current_student(); + my $Str = " Summary table for ".$student->{'fullname'}." ". + $student->{'username'}.'@'.$student->{'domain'}."\n"; + $Str .= '
'. + 'Your Excel spreadsheet.'."\n"); + $r->rflush(); + return; +} - return $notThere; } +####################################################### +####################################################### =pod -=item &CreateColumnSelectors() +=head2 CSV output routines -This function generates the checkboxes above the column headings. The -column will be removed if the checkbox is unchecked. +=item &csv_initialize($r) -=over 4 +=item &csv_outputstudent($r,$student) + +=item &csv_finish($r) + +=cut -Input: $CacheData, $headings +####################################################### +####################################################### +{ + +my $outputfile; +my $filename; +my $request_aborted; +my %prog_state; # progress window state + +sub csv_initialize{ + my ($r) = @_; + # + # Clean up + undef($outputfile); + undef($filename); + undef($request_aborted); + undef(%prog_state); + # + # Deal with unimplemented requests + $request_aborted = undef; + if ($chosen_output->{'base'} =~ /final table/) { + $r->print(< +The Summary Table (Scores) option is not available for non-HTML output. + +END + $request_aborted = 1; + } + return if ($request_aborted); + # + # Initialize progress window + my $studentcount = scalar(@Apache::lonstatistics::Students); + %prog_state=&Apache::lonhtmlcommon::Create_PrgWin + ($r,'CSV File Compilation Status', + 'CSV File Compilation Progress', $studentcount); + # + # 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"; + # + # 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 (&Apache::lonstatistics::Sequences_with_Assess()) { + $sequence_row .= '"'. + &Apache::loncommon::csv_translate($seq->{'title'}).'",'; + my $count = 0; + if ($chosen_output->{'every_problem'}) { + foreach my $res (@{$seq->{'contents'}}) { + if ($res->{'type'} ne 'assessment' || + ! exists($res->{'parts'}) || + ref($res->{'parts'}) ne 'ARRAY' || + scalar(@{$res->{'parts'}}) < 1) { + next; + } + foreach my $part (@{$res->{'parts'}}) { + $resource_row .= '"'. + &Apache::loncommon::csv_translate($res->{'title'}. + ', Part '.$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.= '"",'; + $resource_row.= '"Total",'; + } + chomp($sequence_row); + chomp($resource_row); + print $outputfile $sequence_row."\n"; + print $outputfile $resource_row."\n"; + return; +} -$CacheData: A pointer to a hash tied to the cached data +sub csv_outputstudent { + my ($r,$student) = @_; + 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) { + $Str .= '"'.&Apache::loncommon::csv_translate($student->{$field}).'",'; + } + # + # Get student assessment data + my %StudentsData; + my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'}, + $student->{'domain'}, + undef, + $ENV{'request.course.id'}); + if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) { + %StudentsData = @tmp; + } + # + # Output performance data + my $total = 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; + } + if ($chosen_output->{'grand_total'}) { + $Str .= '"'.$total.'",'; + } + chop($Str); + $Str .= "\n"; + print $outputfile $Str; + # + # Update the progress window + &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student'); + return; +} -$headings: An array of the names of the columns for the student -information. They are used to know what are the student information columns +sub csv_finish { + my ($r) = @_; + 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(''. + 'Your csv file.'."\n"); + $r->rflush(); + return; + +} -Output: $present +} -$present: The string contains the first row of a table. Each column contains -a checkbox which is left justified. Currently left justification is used -for consistency of location over the column in which it presides. +####################################################### +####################################################### -=back +=pod -=cut +=item &StudentTriesOnSequence() -sub CreateColumnSelectors { - my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_; +Inputs: - my $present = ''; - for(my $index=0; $index<(scalar @$infoHeadings); $index++) { - $present .= ' ';
- $present .= '[$index].'" />';
- $present .= ' | '."\n";
- }
+=over 4
- for(my $index=0; $index<(scalar @$sequenceHeadings); $index++) {
- $present .= '';
- $present .= '[$index].'" />';
- $present .= ' | '."\n";
- }
+=item $student
- return $present;
-}
+=item $studentdata Hash ref to all student data
-#---- END Student Assessment Web Page ----------------------------------------
+=item $seq Hash ref, the sequence we are working on
-#---- Student Assessment Worker Functions ------------------------------------
+=item $links if defined we will output links to each resource.
-sub FindSelectedStudent {
- my($cache, $selectedName, $students)=@_;
+=back
- if($selectedName eq 'All Students' ||
- $selectedName eq 'No Student Selected') {
- return $selectedName;
- }
+=cut
- for(my $index=0; $index<(scalar @$students); $index++) {
- my $fullname = $cache->{$students->[$index].':fullname'};
- if($fullname eq $selectedName) {
- if($cache->{'StudentAssessmentMove'} eq 'next') {
- if($index == ((scalar @$students) - 1)) {
- $selectedName = $students->[0];
- return $selectedName;
+#######################################################
+#######################################################
+sub StudentTriesOnSequence {
+ my ($student,$studentdata,$seq,$links) = @_;
+ $links = 'no' if (! defined($links));
+ my $Str = '';
+ my ($sum,$max) = (0,0);
+ my $performance_length = 0;
+ my @TriesData = ();
+ my $tries;
+ foreach my $resource (@{$seq->{'contents'}}) {
+ next if ($resource->{'type'} ne 'assessment');
+ 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'};
+ }
+ #
+ 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=' ';
}
- } else {
- $selectedName = $students->[$index];
- return $selectedName;
}
- last;
+ #
+ if (! defined($tries)) {
+ $tries = $symbol;
+ }
+ push (@TriesData,$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 .= $value;
}
-
- return 'No Student Selected';
+ if ($seq->{'randompick'}) {
+ $max = $seq->{'randompick'};
+ }
+ return ($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 $student
-$cache: A pointer to the hash tied to the cached data
+=item $studentdata Hash ref to all student data
-$test: The form name of the column (heading.$headingIndex) or
-(sequence.$sequenceIndex)
+=item $seq Hash ref, the sequence we are working on
-Output: 0 (false), 1 (true)
+=item $links if defined we will output links to each resource.
=back
=cut
-sub ShouldShowColumns {
- my ($cache,$headings,$cacheKey)=@_;
-
- my @infoKeys=();
- my @infoHeadings=();
+#######################################################
+#######################################################
+sub StudentPerformanceOnSequence {
+ my ($student,$studentdata,$seq,$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;
+ foreach my $resource (@{$seq->{'contents'}}) {
+ next if ($resource->{'type'} ne 'assessment');
+ my $resource_data = $studentdata->{$resource->{'symb'}};
+ foreach my $part (@{$resource->{'parts'}}) {
+ $partscore = undef;
+ my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
+ $resource->{'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 $awarded = 0;
+ if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
+ $awarded = $resource_data->{'resource.'.$part.'.awarded'};
+ $awarded = 0 if (! $awarded);
+ }
+ #
+ $partscore = $weight*$awarded;
+ $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 -= $weight; # Do not count 'excused' problems.
+ }
+ } else {
+ # Unsolved. Did they try?
+ if (exists($resource_data->{'resource.'.$part.'.tries'})){
+ $symbol = '.';
+ } else {
+ $symbol = ' ';
+ }
+ }
+ #
+ if (! defined($partscore)) {
+ $partscore = $symbol;
+ }
+ push (@ScoreData,$partscore);
+ #
+ if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
+ $symbol = ''.$symbol.'';
+ }
+ $Str .= $symbol;
+ }
+ }
+ return ($Str,$performance_length,$score,$max,\@ScoreData);
+}
- my @sequenceKeys=();
- my @sequenceHeadings=();
+#######################################################
+#######################################################
- my %doNotShow;
+=pod
- my $index;
- my $count = 0;
- my $check = '';
- for($index=0; $index < scalar @$headings; $index++) {
- $check = 'HeadingColumn'.$headings->[$index];
- if($cache->{'HeadingsFound'} =~ /$check/) {
- push(@infoHeadings, $headings->[$index]);
- push(@infoKeys, $cacheKey->[$index]);
- } else {
- $doNotShow{$count.':name'} = $headings->[$index];
- $doNotShow{$count.':id'} = 'HeadingColumn'.$headings->[$index];
- $count++;
- }
- }
+=item &CreateLegend()
- foreach my $sequence (split(/\:/,$cache->{'orderedSequences'})) {
- $check = 'SequenceColumn'.$sequence;
- if($cache->{'SequencesFound'} eq 'All Sequences' ||
- $cache->{'SequencesFound'} =~ /$check/) {
- push(@sequenceHeadings, $cache->{$sequence.':title'});
- push(@sequenceKeys, $sequence);
- } else {
- $doNotShow{$count.':name'} = $cache->{$sequence.':title'};
- $doNotShow{$count.':id'} = 'SequenceColumn'.$sequence;
- $count++;
- }
- }
+This function returns a formatted string containing the legend for the
+chart. The legend describes the symbols used to represent grades for
+problems.
- $doNotShow{'count'} = $count;
+=cut
- return (\@infoHeadings, \@infoKeys, \@sequenceHeadings,
- \@sequenceKeys, \%doNotShow);
+#######################################################
+#######################################################
+sub CreateLegend {
+ my $Str = "". + " 1 correct by student in 1 try\n". + " 7 correct by student in 7 tries\n". + " * correct by student in more than 9 tries\n". + " + correct by hand grading or override\n". + " - incorrect by override\n". + " . incorrect attempted\n". + " # ungraded attempted\n". + " not attempted (blank field)\n". + " x excused". + " "; + return $Str; } -#---- END Student Assessment Worker Functions -------------------------------- +####################################################### +####################################################### + +=pod + +=back + +=cut + +####################################################### +####################################################### 1; + __END__ |