$Count) ".localtime($date).": $who --> $res"); -# if ($post) { -# $Count++; -# $r->print("
$Count) Sent data ".join(':', -# &Apache::lonnet::unescape(@posts)).''); -# } - $r->rflush(); - } - ## push (@allaccess,unescape($access)); - #print $machine; - } +# +# Classlist variables +# +my $curr_student; +my $prev_student; +my $next_student; + + +sub clear_classlist_variables { + undef(@FullClasslist); + undef(@Students); + undef(@Sections); + undef(@Groups); + undef(%StudentData); + undef(@SelectedStudentData); + undef($curr_student); + undef($prev_student); + undef($next_student); +} + + +sub PrepareClasslist { + my %Sections; + &clear_classlist_variables(); + # + # Retrieve the classlist + my $cid = $env{'request.course.id'}; + my $cdom = $env{'course.'.$cid.'.domain'}; + my $cnum = $env{'course.'.$cid.'.num'}; + my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cdom, + $cnum); + my @selected_sections = &get_selected_sections(); + my @selected_groups = &get_selected_groups(); + # + # Deal with instructors with restricted section access + if ($env{'request.course.sec'} !~ /^\s*$/) { + @selected_sections = ($env{'request.course.sec'}); + } + # + # Set up %StudentData + @StudentDataOrder = qw/fullname username domain id section status groups comments/; + foreach my $field (@StudentDataOrder) { + $StudentData{$field}->{'title'} = &mt($field); + $StudentData{$field}->{'base_width'} = length(&mt($field)); + $StudentData{$field}->{'width'} = + $StudentData{$field}->{'base_width'}; + } + # + # get the status requested + $enrollment_status = 'Active'; + $enrollment_status = $env{'form.Status'} if (exists($env{'form.Status'})); + # + # Get groupmembership + my ($classgroups,$studentgroups); + my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); + if (%curr_groups) { + ($classgroups,$studentgroups) = + &Apache::loncoursedata::get_group_memberships($classlist, + $field_names, + $cdom,$cnum); + } + my $now = time; + + # Process the classlist + while (my ($student,$student_data) = each (%$classlist)) { + my $studenthash = (); + for (my $i=0; $i< scalar(@$field_names);$i++) { + my $field = $field_names->[$i]; + # Store the data + $studenthash->{$field}=$student_data->[$i]; + # Keep track of the width of the fields + next if (! exists($StudentData{$field})); + my $length = length($student_data->[$i]); + if ($StudentData{$field}->{'width'} < $length) { + $StudentData{$field}->{'width'} = $length; + } + } + my @studentsgroups = &Apache::loncoursedata::get_students_groups + ($student,$enrollment_status, + $classgroups); + if (@studentsgroups) { + $studenthash->{'groups'} = join(', ',@studentsgroups); + $studenthash->{'groupref'} = \@studentsgroups; + } else { + $studenthash->{'groups'} = 'none'; + $studenthash->{'groupref'} = []; + } + push (@FullClasslist,$studenthash); + # + # Build up a list of sections + my $section = $studenthash->{'section'}; + if (! defined($section) || $section =~/^\s*$/ || $section == -1) { + $studenthash->{'section'} = 'none'; + $section = $studenthash->{'section'}; + } + $Sections{$section}++; + # + # Only put in the list those students we are interested in + foreach my $sect (@selected_sections) { + if ( (($sect eq 'all') || + ($section eq $sect)) && + (($studenthash->{'status'} eq $enrollment_status) || + ($enrollment_status eq 'Any')) + ){ + my $groupcheck = 0; + if (grep(/^all$/,@selected_groups)) { + push(@Students,$studenthash); + last; + } elsif (grep(/^none$/,@selected_groups)) { + if ($studenthash->{'groups'} eq 'none') { + push(@Students,$studenthash); + last; + } + } else { + foreach my $group (@selected_groups) { + if (grep(/^$group$/,@studentsgroups)) { + push(@Students,$studenthash); + $groupcheck = 1; + last; + } + } + if ($groupcheck) { + last; + } + } + } + } } -# @allaccess=sort(@allaccess); -# $Count=0; -# foreach my $access (@allaccess) { -# my ($date,$resource,$who,$domain,$post,@posts)=split(':',$access); -# $Count++; -# $r->print("
$Count) $date: $who --> $resource"); -# $r->rflush(); -# if ($post) { -# $r->print("
Sent data ".join(':',unescape(@posts)).''); -# } -# } -} - -#---- Analyze Web Page --------------------------------------------------- - -sub InitAnalysis { - my ($uri,$part,$problem,$student,$courseID)=@_; - my ($username,$userdomain)=split(/\:/,$student); - - # Render the student's view of the problem. $Answ is the problem - # Stringafied - my $Answ=&Apache::lonnet::ssi($uri,('grade_target' => 'analyze', - 'grade_username' => $username, - 'grade_domain' => $userdomain, - 'grade_courseid' => $courseID, - 'grade_symb' => $problem)); -# my $Answ=&Apache::lonnet::ssi($uri,('grade_target' => 'analyze')); - -# (undef,$Answ)=split(/_HASH_REF__/,$Answ,2); - %Answer=(); - %Answer=&Apache::lonnet::str2hash($Answ); - -# foreach (sort(keys(%Answer))) { -# $r->print($_.' '.$Answer{$_}.'
'); -# } - - my $parts=''; - foreach my $elm (@{$Answer{"parts"}}) { - $parts.="$elm,"; - } - chop($parts); - my $conc=''; - foreach my $elm (@{$Answer{"$parts.concepts"}}) { - $conc.="$elm@"; - } - chop($conc); - - @Concepts=split(/\@/,$conc); - foreach my $concept (@{$Answer{"$parts.concepts"}}) { - foreach my $foil (@{$Answer{"$parts.concept.$concept"}}) { - $foil_to_concept{$foil} = $concept; - #$ConceptData{$foil} = $Answer{"$parts.foil.value.$foil"}; - } + # + # Put the consolidated section data in the right place + if ($env{'request.course.sec'} !~ /^\s*$/) { + @Sections = ($env{'request.course.sec'}); + } else { + @Sections = sort { + if ($a == $a && $b == $b ) { return $a <=> $b; } + return $a cmp $b; + } keys(%Sections); + + unshift(@Sections,'all'); # Put 'all' at the front of the list + } + # Sort the groups + @Groups = sort {$a cmp $b} keys(%{$studentgroups}); + unshift(@Groups,'all'); # Put 'all' at the front of the list + + # + # Sort the Students + my $sortby = 'fullname'; + $sortby = $env{'form.sort'} if (exists($env{'form.sort'})); + my @TmpStudents = sort { lc($a->{$sortby}) cmp lc($b->{$sortby}) || + lc($a->{'fullname'}) cmp lc($b->{'fullname'}) || + lc($a->{'username'}) cmp lc($b->{'username'}) } @Students; + @Students = @TmpStudents; + # + # Now deal with that current student thing.... + $curr_student = undef; + if (exists($env{'form.SelectedStudent'})) { + my ($current_uname,$current_dom) = + split(':',$env{'form.SelectedStudent'}); + my $i; + for ($i = 0; $i<=$#Students; $i++) { + next if (($Students[$i]->{'username'} ne $current_uname) || + ($Students[$i]->{'domain'} ne $current_dom)); + $curr_student = $Students[$i]; + last; # If we get here, we have our student. + } + if (defined($curr_student)) { + if ($i == 0) { + $prev_student = undef; + } else { + $prev_student = $Students[$i-1]; + } + if ($i == $#Students) { + $next_student = undef; + } else { + $next_student = $Students[$i+1]; + } + } } - - return; -} - -sub Interval { - my ($part,$symb)=@_; - my $interval=$ConceptData{"Interval"}; - my $due = &Apache::lonnet::EXT('resource.'.$part.'.duedate',$symb)+1; - my $open = &Apache::lonnet::EXT('resource.'.$part.'.opendate',$symb); - my $add=int(($due-$open)/$interval); - $ConceptData{'Interval.0'}=$open; - for (my $i=1;$i<$interval;$i++) { - $ConceptData{'Interval.'.$i}=$open+$i*$add; - } - $ConceptData{'Interval.'.$interval}=$due; - for (my $i=0;$i<$interval;$i++) { - for (my $n=0; $n<=$#Concepts; $n++ ) { - my $tmp=$Concepts[$n]; - $ConceptData{$tmp.'.'.$i.'.true'}=0; - $ConceptData{$tmp.'.'.$i.'.false'}=0; - } + # + if (exists($env{'form.StudentData'})) { + @SelectedStudentData = + &Apache::loncommon::get_env_multiple('form.StudentData'); + } else { + @SelectedStudentData = ('username'); } -} - -sub ShowOpGraph { - my ($cache, $students, $courseID)=@_; - my $uri = $cache->{'AnalyzeURI'}; - my $part = $cache->{'AnalyzePart'}; - my $problem = $cache->{'AnalyzeProblem'}; - my $title = $cache->{'AnalyzeProblem'}; - my $interval = $cache->{'Interval'}; - $ConceptData{"Interval"} = $interval; - - #Initialize the option response true answers - &InitAnalysis($uri, $part, $problem, $students->[0],$courseID); - - #compute the intervals - &Interval($part,$problem); - - $title =~ s/\ /"_"/eg; - $r->print('
'.$uri.''); - $r->rflush(); - - #Java script Progress window - &Create_PrgWin(); - &Update_PrgWin("Starting to analyze problem",0,0,''); - for(my $index=0; $index<(scalar @$students); $index++) { - &Update_PrgWin(scalar @$students, $index+1, $students->[$index]); - &OpStatus($problem, $students->[$index], $courseID); - } - &Close_PrgWin(); - - $r->print('
'); - for(my $k=0; $k<$interval; $k++ ) { - &DrawGraph($k,$title); - } - for(my $k=0; $k<$interval; $k++ ) { - &DrawTable($k); - } -#$Apache::lonxml::debug=1; -#&Apache::lonhomework::showhash(%ConceptData); -#$Apache::lonxml::debug=0; - my $Answ=&Apache::lonnet::ssi($uri); - $r->print("
Here you can see the Problem:
$Answ"); -} - -sub DrawTable { - my $k=shift; - my $Max=0; - my @data1; - my @data2; - my $Correct=0; - my $Wrong=0; - for (my $n=0; $n<=$#Concepts; $n++ ) { - my $tmp=$Concepts[$n]; - $data1[$n]=$ConceptData{"$tmp.$k.true"}; - $Correct+=$data1[$n]; - $data2[$n]=$ConceptData{"$tmp.$k.false"}; - $Wrong+=$data2[$n]; - my $Sum=$data1[$n]+$data2[$n]; - if ( $Max<$Sum ) {$Max=$Sum;} - } - for (my $n=0; $n<=$#Concepts; $n++ ) { - if ($data1[$n]+$data2[$n]<$Max) { - $data2[$n]+=$Max-($data1[$n]+$data2[$n]); - } + foreach (@SelectedStudentData) { + if ($_ eq 'all') { + @SelectedStudentData = ('all'); + last; + } } - my $P_No = $#data1+1; -# $r->print('
From: ['.localtime($ConceptData{'Int.'.($k-1)}). -# '] To: ['.localtime($ConceptData{"Int.$k"}).']'); - my $Str = "\n".'
| # | '. - "\n".'Concept | '. - "\n".'Correct | '. - "\n".'Wrong | '. - "\n".'
|---|---|---|---|
| ".($n+1)." | ". - "\n".''.$Concepts[$n]." | ". - "\n".''.$data1[$n]." | ". - "\n".''.$data2[$n]." | ". - "\n"."From:['.localtime($ConceptData{'Int.'.$k}). - '] To: ['.localtime($ConceptData{'Int.'.($k+1)}-1). - "] | $Correct | $Wrong | "; - - $Str .= "\n".'
');
+sub get_selected_sections {
+ my @selected_sections =
+ &Apache::loncommon::get_env_multiple('form.Section');
+ @selected_sections = ('all') if (! @selected_sections);
+ foreach (@selected_sections) {
+ if ($_ eq 'all') {
+ @selected_sections = ('all');
+ }
+ }
+ #
+ # Deal with instructors with restricted section access
+ if ($env{'request.course.sec'} !~ /^\s*$/) {
+ @selected_sections = ($env{'request.course.sec'});
+ }
+ return @selected_sections;
}
-sub Decide {
- #deciding the true or false answer belongs to each interval
- my ($type,$foil,$time)=@_;
- my $k=0;
- while ($time>$ConceptData{'Int.'.($k+1)} &&
- $k<$ConceptData{'Interval'}) {$k++;}
- $ConceptData{"$foil_to_concept{$foil}.$k.$type"}++;
+sub get_selected_groups {
+ my @selected_groups =
+ &Apache::loncommon::get_env_multiple('form.Group');
+ @selected_groups = ('all') if (! @selected_groups);
+ foreach my $grp (@selected_groups) {
+ if ($grp eq 'all') {
+ @selected_groups = ('all');
+ last;
+ }
+ }
+ return @selected_groups;
}
+
-#restore the student submissions and finding the result
-sub OpStatus {
- my ($problem, $student, $courseID)=@_;
- my ($username,$userdomain)=split(/':'/,$student);
- my $code='U';
- my %reshash=&Apache::lonnet::restore($problem, $courseID, $userdomain,
- $username);
- my @True = ();
- my @False = ();
- my $flag=0;
- if ($reshash{'version'}) {
- my $tries=0;
- &Apache::lonhomework::showhash(%Answer);
- for (my $version=1;$version<=$reshash{'version'};$version++) {
- my $time=$reshash{"$version:timestamp"};
-
- foreach my $key (sort(split(/\:/,$reshash{$version.':keys'}))) {
- if (($key=~/\.(\w+)\.(\w+)\.submission$/)) {
- my $Id1 = $1; my $Id2 = $2;
- #check if this is a repeat submission, if so skip it
- if ($reshash{"$version:resource.$Id1.previous"}) { next; }
- #if no solved this wasn't a real submission, ignore it
- if (!defined($reshash{"$version:resource.$Id1.solved"})) {
- &Apache::lonxml::debug("skipping ");
- next;
- }
- my $Resp = $reshash{"$version:$key"};
- my %submission=&Apache::lonnet::str2hash($Resp);
- foreach (keys %submission) {
- my $Ansr = $Answer{"$Id1.$Id2.foil.value.$_"};
- if ($submission{$_}) {
- if ($submission{$_} eq $Ansr) {
- &Decide("true",$_,$time );
- }
- else {&Decide("false",$_,$time );}
- }
- }
- }
- }
- }
+sub section_and_enrollment_description {
+ my ($mode) = @_;
+ if (! defined($mode)) { $mode = 'localized'; }
+ my @sections = &Apache::lonstatistics::get_selected_sections();
+ my @groups = &Apache::lonstatistics::get_selected_groups();
+ my $description;
+ if ($mode eq 'localized') {
+ $description = &mt('Unable to determine section, groups and access status');
+ } elsif ($mode eq 'plaintext') {
+ $description = 'Unable to determine section, groups and access status';
+ } else {
+ $description = 'Bad parameter passed to lonstatistics::section_and_enrollment_description';
+ &Apache::lonnet::logthis($description);
+ }
+ $description = §ion_or_group_text($mode,'section',@sections).
+ ' '.§ion_or_group_text($mode,'group',@groups);
+ if ($mode eq 'localized') {
+ $description .= ' '.&mt($env{'form.Status'}.' access status.');
+ } elsif ($mode eq 'plaintext') {
+ $description .= ' '.$env{'form.Status'}.' access status.';
}
+ return $description;
}
-#---- END Analyze Web Page ----------------------------------------------
-#---- Problem Statistics Web Page ---------------------------------------
-#------- Processing upperlist and lowerlist according to each problem
-sub ProcessDiscriminant {
- my ($List) = @_;
- my @sortedList = sort (@$List);
- my $Count = scalar @sortedList;
- my $Problem;
- my @Dis;
- my $Slvd=0;
- my $tmp;
- my $Sum1=0;
- my $Sum2=0;
- my $nIndex=0;
- my $nStudent=0;
- my %Proc=undef;
- while ($nIndex<$Count) {
- ($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]);
- @Dis=split(/\+/,$tmp);
- my $Temp = $Problem;
- do {
- $nIndex++;
- $nStudent++;
- $Sum1 += $Dis[0];
- $Sum2 += $Dis[1];
- ($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]);
- @Dis=split(/\+/,$tmp);
- } while ( $Problem eq $Temp && $nIndex < $Count );
-# $Proc{$Temp}=($Sum1/$nStudent).':'.$nStudent;
- $Proc{$Temp}=($Sum1/$nStudent).':'.($Sum2/$nStudent);
-# $r->print("$nIndex) $Temp --> ($nStudent) $Proc{$Temp} "); - $Sum1=0; - $Sum2=0; - $nStudent=0; - } - - return %Proc; -} +sub section_or_group_text { + my ($mode,$type,@items) = @_; + my $text; + my %phrases = (); + %{$phrases{'section'}} = ( + single => 'Section', + all => 'All sections', + plural => 'Sections', + ); + %{$phrases{'group'}} = ( + single => 'Group', + all => 'All groups', + plural => 'Groups', + ); + if (scalar(@items) == 1 && $items[0] ne 'all') { + if ($mode eq 'localized') { + $text = &mt($phrases{$type}{single}.' [_1].',$items[0]); + } elsif ($mode eq 'plaintext') { + $text = $phrases{$type}{single}.' '.$items[0].'.'; -#------- Creating Discimination factor -sub Discriminant { - my ($discriminantFactor)=@_; - my @discriminantKeys=keys(%$discriminantFactor); - my $Count = scalar @discriminantKeys; - - my $UpCnt = int(0.27*$Count); - my $low=0; - my $up=$Count-$UpCnt; - my @UpList=(); - my @LowList=(); - - $Count=0; - foreach my $key (sort(@discriminantKeys)) { - $Count++; - if($low < $UpCnt || $Count > $up) { - $low++; - my $str=$discriminantFactor->{$key}; - foreach(split(/\:/,$str)){ - if($_) { - if($low<$UpCnt) { push(@LowList,$_); } - else { push(@UpList,$_); } - } - } + } + } elsif (scalar(@items) && $items[0] eq 'all') { + if ($mode eq 'localized') { + $text = &mt($phrases{$type}{all}.'.'); + } elsif ($mode eq 'plaintext') { + $text = $phrases{$type}{all}.'.'; + } + } elsif (scalar(@items)) { + my $lastitem = pop(@items); + if ($mode eq 'localized') { + $text = &mt($phrases{$type}{plural}.' [_1] and [_2].', + join(', ',@items),$lastitem); + } elsif ($mode eq 'plaintext') { + $text = $phrases{$type}{plural}.' '.join(', ',@items).' and '. + $lastitem.'.'; } } - my %DisUp = &ProcessDiscriminant(\@UpList); - my %DisLow = &ProcessDiscriminant(\@LowList); - - return (\%DisUp, \%DisLow); + return $text; } -sub NumericSort { - $a <=> $b; -} -sub CreateProblemStatisticsTableHeading { - my ($displayFormat,$sequenceSource,$sequenceTitle,$headings)=@_; - if($displayFormat eq 'Display CSV Format') { - $r->print('
"'.$sequenceTitle.'","'); - $r->print($sequenceSource.'"'); - return; - } - - $r->print('
'.$sequenceTitle.''); - - my $Result = "\n".'
| P# | '."\n"; - for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) { - $Result .= ''.''.' | '."\n"; +sub get_students { + if (! @Students) { + &PrepareClasslist() } - $Result .= "\n".'
|---|
'.$Pre.'---'.$Post); - &TableRow($cache,$Post,$i,$nIndex); - $nIndex++; - } - &CloseTable($cache); - } +sub StudentDataSelect { + my ($elementname,$status,$numvisible)=@_; + if ($numvisible < 1) { + return; } - else { - &CreateProblemStatisticsTableHeading($cache,0); - for ( my $nIndex = 0; $nIndex < $p_count; $nIndex++ ) { - my($Pre, $Post) = split(/\@/,$list[$nIndex]); - &TableRow($cache,$Post,$nIndex,$nIndex); - } - &CloseTable($cache); + # + # Build the form element + my $Str = "\n"; + $Str .= '\n"; + return $Str; } -sub StatusOptions { - my ($cache)=@_; - my $Status = $cache->{'Status'}; - my $OpSel1 = ''; - my $OpSel2 = ''; - my $OpSel3 = ''; - - if($Status eq 'Any') { $OpSel3 = ' selected'; } - elsif($Status eq 'Expired' ) { $OpSel2 = ' selected'; } - else { $OpSel1 = ' selected'; } - - my $Ptr = ''; - $Ptr .= '
'; - $Ptr .= '[Applied Criterion in %27 Upper Students - '; - $Ptr .= 'Applied the same Criterion in %27 Lower Students]
'; - $Ptr .= '1st Criterion for Sorting the Students: '; - $Ptr .= 'Sum of Partial Credit Awarded / Total Number of Tries
'; - $Ptr .= '2nd Criterion for Sorting the Students: '; - $Ptr .= 'Total number of Correct Answers / Total Number of Tries'; - $Ptr .= '
Select number of intervals'."\n". - ''."\n"; - - return $Ptr; -} - -sub OptionResponseTable { - my ($cache)=@_; - my $Str = ''; - $Str .= '
Option Response Problems in this course:'."\n"; - $Str .= '
'."\n"; - $Str .= "
| \# | Problem Title | "; - $Str .= 'Resource | Analysis |
|---|---|---|---|
| '.$number.' | '; - $Str .= ''.$Temp.' | '; - $Str .= ''.$uri.' | '; - $Str .= '
'; - return $Str; - } - - $Str .= "
| \# | Set Title | "; - $Str .= 'Results | Tries | ||||||
|---|---|---|---|---|---|---|---|---|---|
| '.$sequence.' | '; - $Str .= ''.$cache->{$sequence.':title'}.' | '; - - $codes = ''; - $attempts = ''; - 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'})) { - $codes .= "-,"; - $attempts .= "0,"; - } - next; - } - - 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; - } - my $tries=0; - my $code='U'; - $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') {$code = 'Y';} - elsif ($val eq 'correct_by_override') {$code = 'y';} - elsif ($val eq 'incorrect_attempted') {$code = 'N';} - elsif ($val eq 'incorrect_by_override'){$code = 'N';} - elsif ($val eq 'excused') {$code = 'x';} - $partData{$part.':code'}=$code; - } +sub DisplayClasslist { + my ($r)=@_; + &Apache::lonhtmlcommon::add_breadcrumb + ({text=>'Select One Student'}); + # + # Output some of the standard interface components + my $Str; + $Str .= &Apache::lonhtmlcommon::breadcrumbs('Select One Student'); + $Str .= '
| '.&mt('Sections').' | '; + $Str .= ''.&mt('Groups').' | '; + $Str .= ''.&mt('Access Status').' | '; + $Str .= '
|---|---|---|
| '. + &Apache::lonstatistics::SectionSelect('Section','multiple',5). + ' | '; + $Str .= ''. + &Apache::lonstatistics::GroupSelect('Group','multiple',5). + ' | '; + $Str .= ''. + &Apache::lonhtmlcommon::StatusOptions(undef,undef,5). + ' | '; + + $Str .= '
'. + &mt('There are no currently enrolled students in the course.'). + '
'; + } elsif (lc($env{'form.Status'}) eq 'expired') { + $Str .= ''. + &mt('There are no previously enrolled students in the course.'). + '
'; + } elsif (lc($env{'form.Status'}) eq 'future') { + $Str .= ''. + &mt('There are no students with future access in the course.'). + '
'; + } else { # 'any' and any others + $Str .= ''. + &mt('There are no students in the course.'). + '
'; } - - # Loop through all the parts for the current problem in the - # correct order and prepare the output - foreach (split(/\:/,$cache->{$sequence.':'.$problemID. - ':parts'})) { - $codes .= $partData{$_.':code'}.','; - $attempts .= $partData{$_.':tries'}.','; + } else { + if (lc($env{'form.Status'}) eq 'active') { + $Str .= ''. + &mt('There are no currently enrolled students in the selected sections.'). + '
'; + } elsif (lc($env{'form.Status'}) eq 'expired') { + $Str .= ''. + &mt('There are no previously enrolled students in the selected sections.'). + '
'; + } elsif (lc($env{'form.Status'}) eq 'future') { + $Str .= ''. + &mt('There are no students with future access in the selected sections.'). + '
'; + } else { # 'any' and any others + $Str .= ''. + &mt('There are no students in the selected sections.'). + '
'; } } - $codes =~ s/,$//; - $attempts =~ s/,$//; - $Str .= '' + .'' + .&mt('Return to the chart').'' + .'
'; + $r->print($Str); + $r->rflush(); + return; } - $Str .= ''.&mt('Select One Student').'
' + .''.&mt("Click on a student's name or username to view their chart").'
' + .&Apache::loncommon::start_data_table() + .&Apache::loncommon::start_data_table_header_row(); + foreach my $field (@Fields) { + $Str .= '
'."\n";
- $Ptr .= 'Course : "'; - $Ptr .= $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; - $Ptr .= '"
'."\n"; - $Ptr .= ''.$downloadTime.'
'; - return $Ptr; +sub handler { + my $r=shift; + my $c = $r->connection(); + # + # Check for overloading + my $loaderror=&Apache::lonnet::overloaderror($r); + if ($loaderror) { return $loaderror; } + $loaderror= + &Apache::lonnet::overloaderror($r, + $env{'course.'.$env{'request.course.id'}.'.home'}); + if ($loaderror) { return $loaderror; } + # + # Check for access + if (! &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) { + $env{'user.error.msg'}= + $r->uri.":vgr:0:0:Cannot view grades for complete course"; + if (! &Apache::lonnet::allowed('vgr', + $env{'request.course.id'}.'/'.$env{'request.course.sec'})) { + $env{'user.error.msg'}= + $r->uri.":vgr:0:0:Cannot view grades with given role"; + return HTTP_NOT_ACCEPTABLE; + } + } + # + # Send the header + &Apache::loncommon::no_cache($r); + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + if ($r->header_only) { return OK; } + # + # Extract form elements from query string + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['sort','reportSelected', + 'SelectedStudent']); + # + # Give the LON-CAPA page header + my $style = <'. + &mt('Unable to connect to database!'). + '
'); + $r->print('' + .&mt('Please notify the server administrator [_1]', + ,''.$serveradmin.'') + .'
'); + $r->print(''. + &mt('Course Statistics and Charts cannot be '. + 'retrieved until the database is restarted. '. + 'Your data is intact but cannot be displayed '. + 'at this time.').'
'); + $r->print(&Apache::loncommon::end_page()); + return; + } + # + # Clean out the caches + if (exists($env{'form.ClearCache'})) { + &Apache::loncoursedata::delete_caches($env{'requres.course.id'}); + } + # + # Begin form output + $r->print('\n"); + } + $r->print(&Apache::loncommon::end_page()); + $r->rflush(); + # + return OK; } -sub CreateMenuForm { - my ($cache)=@_; - my $Ptr = '| {'OptionResponses'})) { - $Ptr .= ' |
{$cacheName} = $ENV{'form.'.$ENVName};
- } elsif(!defined($cache->{$cacheName})) {
- $cache->{$cacheName} = $default;
- }
+Main handler for statistics and chart.
- return;
-}
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
-sub ProcessFormData{
- my ($cacheDB, $isCached)=@_;
- my %cache;
-
- if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) {
- # Select page to display
- if(defined($ENV{'form.ProblemStatistics'}) ||
- defined($ENV{'form.ProblemStatisticsRecalculate'}) ||
- defined($ENV{'form.DisplayCSVFormat'})) {
- $cache{'GoToPage'} = 'ProblemStatistics';
- &CheckFormElement(\%cache, 'DisplayCSVFormat',
- 'DisplayFormat', 'Display Table Format');
- &CheckFormElement(\%cache, 'Ascend','ProblemStatisticsAscend',
- 'Ascending');
- &CheckFormElement(\%cache, 'Maps', 'ProblemStatisticsMap',
- 'All Maps');
- } elsif(defined($ENV{'form.ProblemAnalysis'})) {
- $cache{'GoToPage'} = 'ProblemAnalysis';
- &CheckFormElement(\%cache, 'Interval', 'Interval', '1');
- } elsif(defined($ENV{'form.StudentAssessment'}) ||
- defined($ENV{'form.CreateStudentAssessment'}) ||
- defined($ENV{'form.NextStudent'}) ||
- defined($ENV{'form.PreviousStudent'})) {
- $cache{'GoToPage'} = 'StudentAssessment';
- if(defined($ENV{'form.NextStudent'})) {
- $cache{'StudentAssessmentMove'} = 'next';
- } elsif(defined($ENV{'form.PreviousStudent'})) {
- $cache{'StudentAssessmentMove'} = 'previous';
- } else {
- $cache{'StudentAssessmentMove'} = 'selected';
- }
- &CheckFormElement(\%cache, 'Maps', 'StudentAssessmentMap',
- 'All Maps');
- &CheckFormElement(\%cache, 'Students', 'StudentAssessmentStudent',
- 'No Student Selected');
- } elsif(defined($ENV{'form.DoDiffGraph'})) {
- $cache{'GoToPage'} = 'DoDiffGraph';
- } elsif(defined($ENV{'form.PercentWrongGraph'})) {
- $cache{'GoToPage'} = 'PercentWrongGraph';
- } elsif(defined($ENV{'form.ActivityLog'})) {
- $cache{'GoToPage'} = 'ActivityLog';
- } else {
- $cache{'GoToPage'} = 'Menu';
- }
+=head1 PACKAGE VARIABLES
- &CheckFormElement(\%cache, 'Status', 'Status', 'Active');
+=over
- foreach (keys(%ENV)) {
- if(/form\.Analyze:::/) {
- $cache{'GoToPage'} = 'Analyze';
- my ($uri, $title, $part, $problem);
- (undef, $uri, $title, $part, $problem)=split(':::', $_);
- $cache{'AnalyzeURI'} = $uri;
- $cache{'AnalyzeTitle'} = $title;
- $cache{'AnalyzePart'} = $part;
- $cache{'AnalyzeProblem'} = $problem;
+=item @FullClasslist The full classlist
- &CheckFormElement(\%cache, 'Interval', 'Interval', '1');
- }
- }
- }
+=item @Students The students we are concerned with for this invocation
- return;
-}
+=item @Sections The sections available in this class
-=pod
+=item @Groups The groups available in the class
-=item &SortStudents()
+=item $curr_student The student currently being examined
-Determines which students to display and in which order. Which are
-displayed are determined by their status(active/expired). The order
-is determined by the sort button pressed (default to username). The
-type of sorting is username, lastname, or section.
+=item $prev_student The student previous in the classlist
-=over 4
+=item $next_student The student next in the classlist
-Input: $students, $CacheData
+=back
-$students: A array pointer to a list of students (username:domain)
+=head1 SUBROUTINES
-$CacheData: A pointer to the hash tied to the cached data
+=over
-Output: \@order
+=item &clear_classlist_variables()
-@order: An ordered list of students (username:domain)
+undef the following package variables:
-=back
+=over 4
-=cut
+=item * @FullClasslist
-sub SortStudents {
- my ($students,$cache)=@_;
+=item * @Students
- my @sorted1Students=();
- foreach (@$students) {
- push(@sorted1Students, $_);
- }
-# my ($end,$start)=split(/\:/,$cache->{$_.':date'});
-# my $active=1;
-# my $now=time;
-# my $Status=$cache->{'form.Status'};
-# $Status = ($Status) ? $Status : 'Active';
-# if((($end) && $now > $end) && (($Status eq 'Active'))) {
-# $active=0;
-# }
-# if(($Status eq 'Expired') && ($end == 0 || $now < $end)) {
-# $active=0;
-# }
-# if($active) {
-# push(@sorted1Students, $_);
-# }
-# }
-
- my $Pos = $cache->{'form.ChartSort'};
- my %sortData;
- if($Pos eq 'Last Name') {
- for(my $index=0; $indexComputation Progress'+ - ''+ - ''); - popwin.document.close(); - -ENDPOP +=item * %StudentData - $r->rflush(); -} +=item * @SelectedStudentData -# update progress -sub Update_PrgWin { - my ($totalStudents,$index,$name)=@_; - $r->print(''); - $r->rflush(); -} +=item * $curr_student -# close Progress Line -sub Close_PrgWin { - $r->print(''); - $r->rflush(); -} +=item * $prev_student -# For loading the colored table for display or un-colored for print -sub setbgcolor { - my $PrintTable=shift; - undef %color; - if ($PrintTable){ - $color{"gb"}="#FFFFFF"; - $color{"red"}="#FFFFFF"; - $color{"yellow"}="#FFFFFF"; - $color{"green"}="#FFFFFF"; - $color{"purple"}="#FFFFFF"; - } else { - $color{"gb"}="#DDFFFF"; - $color{"red"}="#FFDDDD"; - $color{"yellow"}="#EEFFCC"; - $color{"green"}="#DDFFDD"; - $color{"purple"}="#FFDDFF"; - } +=item * $next_student - return; -} +=back -sub initial { - undef %hash; - undef %CachData; - undef %GraphDat; - undef %ConceptData; - undef $Pos; - undef $GData; -} +$curr_student, $prev_student, and $next_student may not be defined, depending +upon the calling context. -#---- END HELPER FUNCTIONS --------------------------------------------------- +=item get_selected_sections() -sub BuildProblemStatisticsPage { - my ($cacheDB, $students)=@_; +Returns an array of the selected sections - my %cache; - unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { - $r->print('Unable to tie database.'); - return; - } +=item get_selected_groups() + +Returns an array of the selected groups - my $Ptr = ''; - $Ptr .= ' |
');
+Returns a list of the selected students
- return;
-}
+=item ¤t_student()
-sub BuildWrongGraph {
- my ($courseID)=@_;
+Returns a pointer to a hash containing data about the currently
+selected student.
- my $graphData = &GetGraphData('WrongGraph', $courseID);
- $r->print('');
+=item &previous_student()
- return;
-}
+Returns a pointer to a hash containing data about the student prior
+in the list of students. Or something.
-sub BuildAnalyzePage {
- my ($cacheDB, $students, $courseID)=@_;
+=item &next_student()
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- $r->print('Unable to tie database.');
- return;
- }
+Returns a pointer to a hash containing data about the next student
+to be viewed.
- &ShowOpGraph(\%cache, $students, $courseID);
+=item &StudentDataSelect($elementname,$status,$numvisible,$selected)
- untie(%cache);
+Returns html for a selection box allowing the user to choose one (or more)
+of the fields of student data available (fullname, username, id, section, etc)
- return;
-}
+=over 4
-sub BuildProblemAnalysisPage {
- my ($cacheDB)=@_;
+=item * $elementname The name of the HTML form element
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- $r->print('Unable to tie database.');
- return;
- }
+=item * $status 'multiple' or 'single' selection box
- $r->print(''."\n");
+=item * $numvisible The number of options to be visible
- untie(%cache);
+=back
- return;
-}
+=item &get_selected_maps($elementname)
-sub BuildStudentAssessmentPage {
- my ($cacheDB, $students, $courseID)=@_;
+Input: Name of the