'."\n";
+#######################################################
+#######################################################
+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 $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
+ $selected = 'html, without links' if (!$selected);
+
+ #
+ # 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 &FormatStudentData()
+ #
+ # Build the form element
+ $Str = qq/";
+ return $Str;
+}
-First, FormatStudentInformation is called and prefixes the course information.
-This function produces a formatted string of the student's course information.
-Each column of data represents all the problems for a given sequence. For
-valid grade data, a link is created for that problem to a submission record
-for that problem.
+##
+## 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,
+ ignore_weight => 0,
+ 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,
+ ignore_weight => 0,
+ 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,
+ ignore_weight => 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,
+ ignore_weight => 1,
+ shortdesc => 'Number of Problem Parts completed successfully.',
+ longdesc => 'The Number of Problem Parts completed successfully and '.
+ 'the maximum possible for each student',
+ },
+ );
-=over 4
+sub HTMLifyOutputDataDescriptions {
+ my $Str = '';
+ $Str .= "
\n";
+ return $Str;
+}
-Input: $name, $studentInformation, $ChartDB
+sub CreateAndParseOutputDataSelector {
+ my $Str = '';
+ my $elementname = 'chartoutputdata';
+ #
+ my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
+ $selected = 'scores' if (!$selected);
+
+ #
+ $chosen_output = $OutputDataOptions[0];
+ foreach my $option (@OutputDataOptions) {
+ if ($option->{'value'} eq $selected) {
+ $chosen_output = $option;
+ }
+ }
+ #
+ # Build the form element
+ $Str = qq/";
+ return $Str;
-$name: The name and domain of the current student in name:domain format
+}
-$studentInformation: A pointer to an array holding the names used to
-remove data from the hash. They represent
-the name of the data to be removed.
+#######################################################
+#######################################################
+sub count_parts {
+ my ($navmap,$sequence) = @_;
+ my @resources = &get_resources($navmap,$sequence);
+ my $count = 0;
+ foreach my $res (@resources) {
+ $count += scalar(@{$res->parts});
+ }
+ return $count;
+}
-$ChartDB: The name of the cached data database which will be tied to that
-database.
+sub get_resources {
+ my ($navmap,$sequence) = @_;
+ my @resources = $navmap->retrieveResources($sequence,
+ sub { shift->is_problem(); },
+ 0,0,0);
+ return @resources;
+}
-Output: $Str
+#######################################################
+#######################################################
-$Str: Formatted string that is an entire row of the chart. It is a
-concatenation of student information and student course information.
+=pod
-=back
+=head2 HTML output routines
-=cut
+=item &html_initialize($r)
-sub StudentReport {
- my ($cache,$name,$spacing,$showSequences)=@_;
- my ($username,$domain)=split(':',$name);
+Create labels for the columns of student data to show.
- my $Str = '';
- if($cache->{$name.':error'} =~ /course/) {
- $Str .= 'No course data for student ';
- $Str .= ''.$username.'. ';
- return $Str;
- }
-
- my $Version;
- my $problemsCorrect = 0;
- my $totalProblems = 0;
- my $problemsSolved = 0;
- my $numberOfParts = 0;
-# foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
- foreach my $sequence (@$showSequences) {
- my $characterCount=0;
- foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
- my $problem = $cache->{$problemID.':problem'};
- my $LatestVersion = $cache->{$name.':version:'.$problem};
-
- # Output dashes for all the parts of this problem if there
- # is no version information about the current problem.
- if(!$LatestVersion) {
- foreach my $part (split(/\:/,$cache->{$sequence.':'.
- $problemID.
- ':parts'})) {
- $Str .= ' ';
- $totalProblems++;
- $characterCount++;
- }
- next;
- }
+=item &html_outputstudent($r,$student)
- my %partData=undef;
- # Initialize part data, display skips correctly
- # Skip refers to when a student made no submissions on that
- # part/problem.
- foreach my $part (split(/\:/,$cache->{$sequence.':'.
- $problemID.
- ':parts'})) {
- $partData{$part.':tries'}=0;
- $partData{$part.':code'}=' ';
- }
-
- # Looping through all the versions of each part, starting with the
- # oldest version. Basically, it gets the most recent
- # set of grade data for each part.
- for(my $Version=1; $Version<=$LatestVersion; $Version++) {
- foreach my $part (split(/\:/,$cache->{$sequence.':'.
- $problemID.
- ':parts'})) {
-
- if(!defined($cache->{$name.":$Version:$problem".
- ":resource.$part.solved"})) {
- # No grade for this submission, so skip
- next;
- }
+Return a line of the chart for a student.
- my $tries=0;
- my $code=' ';
+=item &html_finish($r)
- $tries = $cache->{$name.':'.$Version.':'.$problem.
- ':resource.'.$part.'.tries'};
- $partData{$part.':tries'}=($tries) ? $tries : 0;
-
- my $val = $cache->{$name.':'.$Version.':'.$problem.
- ':resource.'.$part.'.solved'};
- if ($val eq 'correct_by_student') {$code = '*';}
- elsif ($val eq 'correct_by_override') {$code = '+';}
- elsif ($val eq 'incorrect_attempted') {$code = '.';}
- elsif ($val eq 'incorrect_by_override'){$code = '-';}
- elsif ($val eq 'excused') {$code = 'x';}
- elsif ($val eq 'ungraded_attempted') {$code = '#';}
- else {$code = ' ';}
- $partData{$part.':code'}=$code;
- }
- }
+=cut
- # All grades (except for versionless parts) are displayed as links
- # to their submission record. Loop through all the parts for the
- # current problem in the correct order and prepare the output links
- $Str .= '';
- foreach(split(/\:/,$cache->{$sequence.':'.$problemID.
- ':parts'})) {
- if($partData{$_.':code'} eq '*') {
- $problemsCorrect++;
- if (($partData{$_.':tries'}<10) &&
- ($partData{$_.':tries'} ne '')) {
- $partData{$_.':code'}=$partData{$_.':tries'};
- }
- } elsif($partData{$_.':code'} eq '+') {
- $problemsCorrect++;
- }
+#######################################################
+#######################################################
+{
+ 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 $navmap; # Have to keep this around since weakref is a bit zealous
+
+sub html_cleanup {
+ undef(%prog_state);
+ undef(%width);
+ #
+ undef($navmap);
+ undef(@sequences);
+}
- $Str .= $partData{$_.':code'};
- $characterCount++;
+sub html_initialize {
+ my ($r) = @_;
+ #
+ $padding = ' 'x3;
+ $count = 0;
+ $nodata_count = 0;
+ &html_cleanup();
+ ($navmap,@sequences) =
+ &Apache::lonstatistics::selected_sequences_with_assessments();
+ if (! ref($navmap)) {
+ # Unable to get data, so bail out
+ $r->print("
';
+ # 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;
+ }
+ $total_sum_width = length($total_count)+1;
+ $Str .= " total\n";
+ $Str .= "
";
+ $r->print($Str);
+ $r->rflush();
+
+ $r->print(<
+// get the left offset of a given widget as an absolute position
+function getLeftOffset (element) {
+ return collect(element, "offsetLeft");
+}
- # Output the number of correct answers for the current sequence.
- # This part takes up 6 character slots, but is formated right
- # justified.
- my $spacesNeeded=$cache->{$sequence.':columnWidth'}-$characterCount;
- $spacesNeeded -= 3;
- $Str .= (' 'x$spacesNeeded);
-
- my $outputProblemsCorrect = sprintf( "%3d", $problemsCorrect );
- $Str .= ''.$outputProblemsCorrect.'';
- $problemsSolved += $problemsCorrect;
- $problemsCorrect=0;
-
- $Str .= $spacing;
- }
-
- # Output the total correct problems over the total number of problems.
- # I don't like this type of formatting, but it is a solution. Need
- # a way to dynamically determine the space requirements.
- my $outputProblemsSolved = sprintf( "%4d", $problemsSolved );
- my $outputTotalProblems = sprintf( "%4d", $totalProblems );
- $Str .= ''.$outputProblemsSolved.
- ' / '.$outputTotalProblems.'';
+// get the top offset of a given widget as an absolute position
+function getTopOffset (element) {
+ return collect(element, "offsetTop");
+}
- return $Str;
+function collect(element, att) {
+ var val = 0;
+ while(element) {
+ val += element[att];
+ element = element.offsetParent;
+ }
+ return val;
}
-=pod
+var currentDiv;
+var currentElement;
+function popup_score(element, score) {
+ popdown_score();
+ var left = getLeftOffset(element);
+ var top = getTopOffset(element);
+ var div = document.createElement("div");
+ div.className = "LC_chrt_popup";
+ div.appendChild(document.createTextNode(score));
+ div.style.position = "absolute";
+ div.style.top = (top - 25) + "px";
+ div.style.left = (left - 10) + "px";
+ currentDiv = div;
+ document.body.insertBefore(div, document.body.childNodes[0]);
+ element.className = "LC_chrt_popup_up";
+ currentElement = element;
+}
-=item &CreateLegend()
+function popdown_score() {
+ if (currentDiv) {
+ document.body.removeChild(currentDiv);
+ }
+ if (currentElement) {
+ currentElement.className = 'LC_chrt_popup_exists';
+ }
+ currentDiv = undefined;
+}
+
+JS
-This function returns a formatted string containing the legend for the
-chart. The legend describes the symbols used to represent grades for
-problems.
+ #
+ # Let the user know what we are doing
+ my $studentcount = scalar(@Apache::lonstatistics::Students);
+ if ($env{'form.SelectedStudent'}) {
+ $studentcount = '1';
+ }
+ #
+ # Initialize progress window
+ %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
+ ($r,'HTML Chart Status',
+ 'HTML Chart Progress', $studentcount,
+ 'inline',undef,'Statistics','stats_status');
+ #
+ &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
+ 'Processing first student');
+ return;
+}
-=cut
+sub html_outputstudent {
+ my ($r,$student) = @_;
+ my $Str = '';
+ return if (! defined($navmap));
+ #
+ if($count++ % 5 == 0 && $count > 0) {
+ $r->print("
");
+ }
+ # First, the @StudentData fields need to be listed
+ my @to_show = &get_student_fields_to_show();
+ foreach my $field (@to_show) {
+ my $title=$student->{$field};
+ # Deal with 'comments' - how I love special cases
+ if ($field eq 'comments') {
+ $title = ''.&mt('Comments').'';
+ }
+ my $base = length($title);
+ my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
+ $Str .= $title.' 'x($width-$base).$padding;
+ }
+ # Get ALL the students data
+ my %StudentsData;
+ my @tmp = &Apache::loncoursedata::get_current_state
+ ($student->{'username'},$student->{'domain'},undef,
+ $env{'request.course.id'});
+ if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:(.*)/)) {
+ %StudentsData = @tmp;
+ } else {
+ my $error = $1;
+ if (scalar(@tmp) < 1) {
+ $Str .= ''
+ .&mt('No Course Data')
+ .''."\n";
+ } else {
+ $Str .= ''
+ .&mt('Error getting student data ([_1])',$error)
+ .''."\n";
+ }
+ $nodata_count++;
+ $r->print($Str);
+ $r->rflush();
+ return;
+ }
+ #
+ # By sequence build up the data
+ my $studentstats;
+ my $PerformanceStr = '';
+ foreach my $seq (@sequences) {
+ my $symb = $seq->symb;
+ my ($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,$show_links);
+ } else {
+ ($performance,$performance_length,$score,$seq_max,$rawdata) =
+ &student_performance_on_sequence($student,\%StudentsData,
+ $navmap,$seq,$show_links,
+ $chosen_output->{ignore_weight});
+ }
+ my $ratio='';
+ if ($chosen_output->{'every_problem'} &&
+ $chosen_output->{'sequence_sum'}) {
+ $ratio .= ' ';
+ }
+ if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
+ my $score .= sprintf("%3.0f",$score);
+ $ratio .= (' 'x(3-length($score))).$score;
+ } elsif($chosen_output->{'sequence_sum'}) {
+ $ratio .= ' 'x3;
+ }
+ if ($chosen_output->{'sequence_max'}) {
+ if ($chosen_output->{'sequence_sum'}) {
+ $ratio .= '/';
+ }
+ $ratio .= sprintf("%3.0f",$seq_max);
+ }
+ #
+ if (! $chosen_output->{'every_problem'}) {
+ $performance = '';
+ $performance_length=0;
+ }
+ $performance .= ' 'x($width{$symb}->{'width_total'} -
+ $performance_length -
+ $width{$symb}->{'width_sum'}).
+ $ratio;
+ #
+ $Str .= $performance.$padding;
+ #
+ $studentstats->{$symb}->{'score'}= $score;
+ $studentstats->{$symb}->{'max'} = $seq_max;
+ }
+ #
+ # Total it up and store the statistics info.
+ my ($score,$max);
+ while (my ($symb,$seq_stats) = each (%{$studentstats})) {
+ $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
+ if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
+ $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
+ }
+ if ($seq_stats->{'score'} ne ' ') {
+ $score += $seq_stats->{'score'};
+ $Statistics->{$symb}->{'num_students'}++;
+ }
+ $max += $seq_stats->{'max'};
+ }
+ if (! defined($score)) {
+ $score = ' ' x $total_sum_width;
+ } else {
+ $score = sprintf("%.0f",$score);
+ $score = (' 'x(3-length($score))).$score;
+ }
+ $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
+ $Str .= " \n";
+ #
+ $r->print($Str);
+ #
+ $r->rflush();
+ &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
+ return;
+}
-sub CreateLegend {
- my $Str = "
".
- "1..9: correct by student in 1..9 tries\n".
- " *: correct by student in more than 9 tries\n".
- " +: correct by override\n".
- " -: incorrect by override\n".
- " .: incorrect attempted\n".
- " #: ungraded attempted\n".
- " : not attempted\n".
- " x: excused".
- "
";
- return $Str;
+sub html_finish {
+ my ($r) = @_;
+ return if (! defined($navmap));
+ #
+ # Check for suppressed output and close the progress window if so
+ $r->print("
'.
+ &Apache::loncommon::end_data_table_row()."\n";
+ }
+ $Str .= &Apache::loncommon::end_data_table()."\n";
+ return $Str;
+}
-If there are columns not being displayed then this selection box is created
-with a list of those columns. When selections are made and the page
-refreshed, the columns will be removed from this box and the column is
-put back in the chart. If there is no columns to select, no row is added
-to the interface table.
+sub SingleStudentTotal {
+ return if (! defined($navmap));
+ my $student = &Apache::lonstatistics::current_student();
+ my $Str = '
'.&mt('Summary table for [_1] ([_2]@[_3])',
+ $student->{'fullname'},
+ $student->{'username'},$student->{'domain'}).'
'."\n";
+sub csv_finish {
+ my ($r) = @_;
+ if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
+ &csv_cleanup();
+ return;
}
+ close($outputfile);
+ #
+ # Close the progress window
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ #
+ # Tell the user where to get their csv file
+ $r->print(' '.
+ ''.&mt('Your CSV file.').''."\n");
+ $r->rflush();
+ &csv_cleanup();
+ return;
+
+}
+
+}
- return $present;
+# This function will return an HTML string including a star, with
+# a mouseover popup showing the "real" value. An optional second
+# argument lets you show something other than a star.
+sub show_star {
+ my $popup = shift;
+ my $symbol = shift || '*';
+ # Escape the popup for JS.
+ $popup =~ s/([^-a-zA-Z0-9:;,._ ()|!\/?=&*])/'\\' . sprintf("%lo", ord($1))/ge;
+
+ return "$symbol";
}
-#---- END Student Assessment Web Page ----------------------------------------
+#######################################################
+#######################################################
-#---- Student Assessment Worker Functions ------------------------------------
+=pod
-sub FindSelectedStudent {
- my($cache, $selectedName, $students)=@_;
+=item &StudentTriesOnSequence()
- if($selectedName eq 'All Students' ||
- $selectedName eq 'No Student Selected') {
- return $selectedName;
- }
+Inputs:
+
+=over 4
+
+=item $student
+
+=item $studentdata Hash ref to all student data
- 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;
+=item $seq Hash ref, the sequence we are working on
+
+=item $links if defined we will output links to each resource.
+
+=back
+
+=cut
+
+#######################################################
+#######################################################
+sub student_tries_on_sequence {
+ my ($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' && !$resource->is_task()) {
+ $symbol = '+';
+ $sum++;
+ } elsif ($tries > 0) {
+ if ($tries > 9) {
+ $symbol = show_star($tries);
+ } 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') {
+ $symbol = 'u';
+ } elsif ($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')) {
+ my $link = '/adm/grades'.
+ '?symb='.&escape($resource->shown_symb).
+ '&student='.$student->{'username'}.
+ '&userdom='.$student->{'domain'}.
+ '&command=submission';
+ $symbol = &link($symbol, $link);
+ }
+ $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 &link
-Determine if a specified column should be shown on the chart.
+Inputs:
=over 4
-Input: $cache, $test
+=item $text
-$cache: A pointer to the hash tied to the cached data
+=item $target
-$test: The form name of the column (heading.$headingIndex) or
-(sequence.$sequenceIndex)
+=back
-Output: 0 (false), 1 (true)
+Takes the text and creates a link to the $text that honors
+the value of 'new window' if clicked on, but uses a real
+'href' so middle and right clicks still work.
-=back
+$target and $text are assumed to be already correctly escaped; i.e., it
+can be dumped out directly into the output stream as-is.
=cut
-sub ShouldShowColumns {
- my ($cache,$headings,$cacheKey)=@_;
+sub link {
+ my ($text,$target) = @_;
+ return
+ "$text";
+}
- my @infoKeys=();
- my @infoHeadings=();
+#######################################################
+#######################################################
- my @sequenceKeys=();
- my @sequenceHeadings=();
+=pod
- my %doNotShow;
+=item &student_performance_on_sequence
- 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++;
- }
- }
+Inputs:
- 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++;
+=over 4
+
+=item $student
+
+=item $studentdata Hash ref to all student data
+
+=item $seq Hash ref, the sequence we are working on
+
+=item $links if defined we will output links to each resource.
+
+=back
+
+=cut
+
+#######################################################
+#######################################################
+sub student_performance_on_sequence {
+ my ($student,$studentdata,$navmap,$seq,$links,$awarded_only) = @_;
+ $links = 'no' if (! defined($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 $weight;
+ if (!$awarded_only){
+ $weight = &Apache::lonnet::EXT('resource.'.$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;
+ }
+ #
+ $partscore = &Apache::grades::compute_points($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) {
+ $symbol = show_star($symbol);
+ }
+ if (exists($resource_data->{'resource.'.$part.'.solved'}) &&
+ $resource_data->{'resource.'.$part.'.solved'} ne '') {
+ my $status = $resource_data->{'resource.'.$part.'.solved'};
+ if ($status eq 'excused') {
+ $symbol = 'x';
+ $max -= $weight; # Do not count 'excused' problems.
+ } elsif ($status eq 'ungraded_attempted') {
+ $symbol = 'u';
+ }
+ $hasdata = 1;
+ } elsif ($resource_data->{'resource.'.$part.'.award'} eq 'DRAFT') {
+ $symbol = 'd';
+ $hasdata = 1;
+ } elsif (!exists($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')) {
+ my $link = '/adm/grades' .
+ '?symb='.&escape($resource->shown_symb).
+ '&student='.$student->{'username'}.
+ '&userdom='.$student->{'domain'}.
+ '&command=submission';
+ $symbol = &link($symbol, $link);
+ }
+ $Str .= $symbol;
}
}
+ if (! $hasdata && $score == 0) {
+ $score = ' ';
+ }
+ return ($Str,$performance_length,$score,$max,\@ScoreData);
+}
+
+#######################################################
+#######################################################
+
+=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.
- $doNotShow{'count'} = $count;
+=cut
- return (\@infoHeadings, \@infoKeys, \@sequenceHeadings,
- \@sequenceKeys, \%doNotShow);
+#######################################################
+#######################################################
+sub CreateLegend {
+ my $Str = "
".
+ " digit score or number of tries to get correct ".
+ " * correct by student in more than 9 tries\n".
+ " + correct by hand grading or override\n".
+ " - incorrect by override\n".
+ " . incorrect attempted\n".
+ " u ungraded attempted\n".
+ " d draft answer saved but not submitted\n".
+ " not attempted (blank field)\n".
+ " x excused".
+ "