--- loncom/interface/lonstatistics.pm 2002/07/22 20:35:05 1.29
+++ loncom/interface/lonstatistics.pm 2003/04/21 15:12:37 1.67
@@ -1,7 +1,6 @@
# The LearningOnline Network with CAPA
-# (Publication Handler
#
-# $Id: lonstatistics.pm,v 1.29 2002/07/22 20:35:05 stredwic Exp $
+# $Id: lonstatistics.pm,v 1.67 2003/04/21 15:12:37 matthew Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -26,2108 +25,867 @@
# http://www.lon-capa.org/
#
# (Navigate problems for statistical reports
-# YEAR=2001
-# 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei
-# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei
-# YEAR=2002
-# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei
-# 5/12,5/14,5/15,5/19,5/26,7/16 Behrouz Minaei
#
###
-package Apache::lonstatistics;
-
-use strict;
-use Apache::Constants qw(:common :http);
-use Apache::lonnet();
-use Apache::lonhomework;
-use Apache::loncommon;
-use Apache::loncoursedata;
-use Apache::lonhtmlcommon;
-use Apache::lonchart;
-use HTML::TokeParser;
-use GDBM_File;
-
-# -------------------------------------------------------------- Module Globals
-my %hash;
-my %CachData;
-my %GraphDat;
-my $r;
-my $GData;
-my %color;
-my %foil_to_concept;
-my @Concepts;
-my %ConceptData;
-my %Answer=();
-my %mapsort;
-
-my %Activity=();
-my %Grade=();
-my %DoDiff=();
-my %Discuss=();
-my $TotalDiscuss=0;
-my $TotalDiscuss_=0;
-
-
-sub LoadDiscussion {
-# my $symb=shift;
-# $r->print('<br>$cid ... '.$symb);
-# my %contrib=&Apache::lonnet::dump('msu_2964385f9033c63msul1','msu','2964385f9033c63msul1');
- my $cid=$ENV{'request.course.id'};
- my %contrib=&Apache::lonnet::dump(
- $ENV{'request.course.id'},
- $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
- $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
-
- foreach my $temp(keys %contrib) {
- if ($temp=~/^version/) {
- my $ver=$contrib{$temp};
- my ($dummy,$prb)=split(':',$temp);
- for (my $idx=1; $idx<=$ver; $idx++ ) {
- my $name=$contrib{"$idx:$prb:sendername"};
- $Discuss{"$name:$prb"}=$idx;
- }
- }
- }
-# $r->print('<br>cid='.$cid);
-# my %contrib=&Apache::lonnet::restore($symb,$cid,
-# $ENV{$cid.'.domain'},
-# $ENV{'course.'.$cid.'.num'});
-
-# $Apache::lonxml::debug=1;
-# &Apache::lonhomework::showhash(%Discuss);
-# $Apache::lonxml::debug=0;
-}
-
-sub LoadDoDiffFile {
- my $file="/home/minaeibi/183d.txt";
- open(FILEID, "<$file");
- my $line=<FILEID>;
- %DoDiff=();
- my @Act=split('&',$line);
-
-# $r->print('<br>'.$#Act);
- for(my $n=0;$n<=$#Act;$n++){
- my ($res,$Degree)=split('@',$Act[$n]);
- $DoDiff{$res}=$Degree;
- }
-}
+=pod
+=head1 NAME
-sub LoadClassFile {
- my $file="/home/minaeibi/class.txt";
- open(FILEID, "<$file");
- my $line;
- %Grade=();
- while ($line=<FILEID>) {
- my ($id,$ex1,$ex2,$ex3,$ex4,$hw,$final,$grade)=split(' ',$line);
- $Grade{$id}=$grade;
- }
-}
+lonstatistics
+=head1 SYNOPSIS
-#------- Classification
-sub Classify {
- my ($DiscFac, $students)=@_;
- &LoadClassFile();
- my $Count=0;
- my @List=();
- my @LS=();
- my @LF=();
- my @LM=();
- my $cf=0;
- my $cs=0;
- my $cm=0;
- foreach (keys(%$DiscFac)){
- my @l=split(/\:/,$_);
- if (!($students->{$l[1]})) {next;}
- my $Grade=$Grade{$students->{$l[1]}};
- if( $Grade > 3 ) {
- $cs++;
- push(@LS,("$l[6],$l[5],$l[4],$l[7],$l[8],$l[9],Successful"));
- } elsif ( $Grade > 2 ) {
- $cm++;
- push(@LM,("$l[6],$l[5],$l[4],$l[7],$l[8],$l[9],Average"));
- } else {
- $cf++;
- push(@LF,("$l[6],$l[5],$l[4],$l[7],$l[8],$l[9],Failed"));
- }
- }
- for(my $n=0;$n<$cs;$n++){$r->print('<br>'.$LS[$n]);}
- for(my $n=0;$n<$cm;$n++){$r->print('<br>'.$LM[$n]);}
- for(my $n=0;$n<$cf;$n++){$r->print('<br>'.$LF[$n]);}
-}
-
-
-sub ProcAct {
- # return;
- my ($Act,$Submit)=@_;
- my @Act=split(/\@/,$Act);
- @Act = sort(@Act);
-
- ##$r->print('<br>'.$#Act);
- ##for(my $n=0;$n<=$#Act;$n++){
-## $r->print('<br>n='.$n.')'.$Act[$n]);
-## }
-
-# my $Beg=$Act[0];
- my $Dif=$Submit-$Act[0];
- $Dif = ($Dif>0) ? ($Dif/3600) : 0;
+Main handler for statistics and chart.
-# $r->print('<br>Access Number = '.$#Act.'<br>Submit Time='.$Submit.'<br>First Access='.$Act[0].'<br>Last Access='.$Act[$#Act].'<br> Submit - First = <b>'.$Dif.'</b>');
+=head1 PACKAGES USED
+
+ use strict;
+ use Apache::Constants qw(:common :http);
+ use Apache::lonnet();
+ use Apache::lonhomework;
+ use Apache::loncommon;
+ use Apache::loncoursedata;
+ use Apache::lonhtmlcommon;
+ use Apache::lonproblemanalysis;
+ use Apache::lonproblemstatistics;
+ use Apache::lonstudentassessment;
+ use Apache::lonpercentage;
+ use Apache::lonmysql;
+=over 4
+=cut
-#time spent for solving the problem
-# $r->print('<br>Def'.($Act[$#Act-1]-$Act[0]));
+package Apache::lonstatistics;
- return $Dif;
-}
+use strict;
+use Apache::Constants qw(:common :http);
+use vars qw(
+ @FullClasslist
+ @Students
+ @Sections
+ @SelectedSections
+ %StudentData
+ @StudentDataOrder
+ @SelectedStudentData
+ $top_map
+ @Sequences
+ @SelectedMaps
+ @Assessments);
+use Apache::lonnet();
+use Apache::lonhomework;
+use Apache::loncommon;
+use Apache::loncoursedata;
+use Apache::lonhtmlcommon;
+use Apache::lonproblemanalysis();
+use Apache::lonproblemstatistics();
+use Apache::lonstudentassessment();
+use Apache::lonpercentage;
+use Apache::lonmysql;
+use Time::HiRes;
+#######################################################
+#######################################################
-sub LoadActivityLog {
-# my $CacheDB = "/home/minaeibi/act183.log.cache";
- my $CacheDB = "/home/httpd/perl/tmp/act183.log.cache";
-
- if (-e "$CacheDB") {
- if (tie(%Activity,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) {
- return;
- }
- else {
- $r->print("Unable to tie log Cache hash to db file");
- }
- }
- else {
- if (tie(%Activity,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) {
- foreach (keys %Activity) {delete $Activity{$_};}
- &Build_log();
- }
- else {
- $r->print("Unable to tie log Build hash to db file");
- }
- }
-}
+=pod
-sub Build_log {
- my $file="/home/minaeibi/act183.log";
- open(FILEID, "<$file");
- my $line;
- my $count=0;
- while ($line=<FILEID>) {
- my ($time,$machine,$what)=split(':',$line);
- $what=&Apache::lonnet::unescape($what);
- my @accesses=split('&',$what);
-
- foreach my $access (@accesses) {
-
- $count++;
-
- my ($date,$resource,$who,$domain,$post,@posts)=split(':',$access);
- if (!$resource) { next; }
- my $res=&Apache::lonnet::unescape($resource);
- if (($res =~ /\.problem/)) {
- $Activity{$who.':'.$res}.=$date.'@';
- #$r->print('<br>'.$time.':'.$who.'---'.$res);
- &Update_PrgInit($count);
-
- }
- }
- }
-
-# my $c=1;
-# foreach (sort keys %Activity) {
-# $r->print('<br>'.$c.')'.$_.' ... '.$Activity{$_});
-# $c++;
-# }
+=item Package Variables
-}
+=item @FullClasslist The full classlist
-sub Activity {
-# $rid=~/(\d+)\.(\d+)/;
-# my $MapId=$1;
-# my $PrbId=$2;
-# my $MapOrg = $hash{'map_id_'.$MapId};
-# my $Map = &Apache::lonnet::declutter($MapOrg);
-# my $URI = $hash{'src_'.$rid};
-# my $Symb = $Map.'___'.$PrbId.'___'.&Apache::lonnet::declutter($URI);
- my $file="/home/minaeibi/activity.log";
- my $userid='adamsde1';
- $r->print("<br>Using $file");
- $r->rflush();
- open(FILEID, "<$file");
- my $line;
- my @allaccess;
- my $Count=0;
- while ($line=<FILEID>) {
- my ($time,$machine,$what)=split(':',$line);
- $what=&Apache::lonnet::unescape($what);
- my @accesses=split('&',$what);
- foreach my $access (@accesses) {
- my ($date,$resource,$who,$domain,$post,@posts)=split(':',$access);
- #if ($who ne $userid) { next; }
- if (!$resource) { next; }
- my $res=&Apache::lonnet::unescape($resource);
- if (($res =~ /\.(sequence|problem|htm|html|page)/)) {
- $Count++;
- $r->print("<br>$Count) ".localtime($date).": $who --> $res");
-# if ($post) {
-# $Count++;
-# $r->print("<br><b>$Count) Sent data ".join(':',
-# &Apache::lonnet::unescape(@posts)).'</b>');
-# }
- $r->rflush();
- }
- #push (@allaccess,unescape($access));
- #print $machine;
- }
- }
-# @allaccess=sort(@allaccess);
-# $Count=0;
-# foreach my $access (@allaccess) {
-# my ($date,$resource,$who,$domain,$post,@posts)=split(':',$access);
-# $Count++;
-# $r->print("<br>$Count) $date: $who --> $resource");
-# $r->rflush();
-# if ($post) {
-# $r->print("<br><b>Sent data ".join(':',unescape(@posts)).'</b>');
-# }
-# }
-}
+=item @Students The students we are concerned with for this invocation
+=item @Sections The sections available in this class
-sub InitAnalysis {
- my ($uri,$part,$problem,$student,$courseID)=@_;
- my ($uname,$udom)=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' => $uname,
- 'grade_domain' => $udom,
- 'grade_courseid' => $courseID,
- 'grade_symb' => $problem));
-# my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze'));
-
-# (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2);
- %Answer=();
- %Answer=&Apache::lonnet::str2hash($Answ);
-
- 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"};
- }
- }
+=item $curr_student The student currently being examined
- return;
-}
+=item $prev_student The student previous in the classlist
+=item $next_student The student next in the classlist
-sub Interval {
- my ($part,$symb)=@_;
- my $Int=$ConceptData{"Interval"};
- my $due = &Apache::lonnet::EXT('resource.$part.duedate',$symb)+1;
- my $opn = &Apache::lonnet::EXT('resource.$part.opendate',$symb);
- my $add=int(($due-$opn)/$Int);
- $ConceptData{"Int.0"}=$opn;
- for (my $i=1;$i<$Int;$i++) {
- $ConceptData{"Int.$i"}=$opn+$i*$add;
- }
- $ConceptData{"Int.$Int"}=$due;
- for (my $i=0;$i<$Int;$i++) {
- for (my $n=0; $n<=$#Concepts; $n++ ) {
- my $tmp=$Concepts[$n];
- $ConceptData{"$tmp.$i.true"}=0;
- $ConceptData{"$tmp.$i.false"}=0;
- }
- }
-}
+=over
+=cut
-sub ShowOpGraph {
- my ($cache, $students, $courseID)=@_;
- my $uri = $cache->{'AnalyzeURI'};
- my $part = $cache->{'AnalyzePart'};
- my $problem = $cache->{'AnalyzeProblem'};
- my $title = $cache->{'AnalyzeTitle'};
- my $interval = $cache->{'Interval'};
- $ConceptData{"Interval"} = $interval;
+#######################################################
+#######################################################
+#
+# Classlist variables
+#
+my $curr_student;
+my $prev_student;
+my $next_student;
- #Initialize the option response true answers
- &InitAnalysis($uri, $part, $problem, $students->[0],$courseID);
+#######################################################
+#######################################################
- #compute the intervals
- &Interval($part,$problem);
+=pod
- $title =~ s/\ /"_"/eg;
- $r->print('<br><b>'.$uri.'</b>');
- $r->rflush();
-
- #Java script Progress window
- &Create_PrgWin();
- &Update_PrgWin("Starting-to-analyze-problem");
- for (my $index=0;$index<(scalar @$students);$index++) {
- &Update_PrgWin($index);
- &OpStatus($problem,$students->[$index],$courseID);
- }
- &Close_PrgWin();
-
- $r->print('<br>');
- 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);
- $r->print("<br><b>Here you can see the Problem:</b><br>$Answ");
-}
+=item &clear_classlist_variables()
+undef the following package variables:
-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]);
- }
- }
- my $P_No = $#data1+1;
-# $r->print('<br><b>From: ['.localtime($ConceptData{'Int.'.($k-1)}).
-# '] To: ['.localtime($ConceptData{"Int.$k"}).']</b>');
- my $Str = "\n".'<table border=2>'.
- "\n".'<tr>'.
- "\n".'<th> # </th>'.
- "\n".'<th> Concept </th>'.
- "\n".'<th> Correct </th>'.
- "\n".'<th> Wrong </th>'.
- "\n".'</tr>';
-
- for (my $n=0; $n<=$#Concepts; $n++ ) {
- $Str .= "\n"."<tr>".
- "\n"."<td>".($n+1)."</td>".
- "\n".'<td bgcolor='.$color{"yellow"}.'> '.$Concepts[$n]." </td>".
- "\n".'<td bgcolor='.$color{"green"}.'> '.$data1[$n]." </td>".
- "\n".'<td bgcolor='.$color{"red"}.'> '.$data2[$n]." </td>".
- "\n"."</tr>";
- }
- $Str.='<td></td><td><b>From:['.localtime($ConceptData{'Int.'.$k}).
- '] To: ['.localtime($ConceptData{'Int.'.($k+1)}-1).
- "]</b></td><td>$Correct</td><td>$Wrong</td>";
+=over
- $Str .= "\n".'</table>';
+=item @FullClasslist
- $r->print($Str);
-#$Apache::lonxml::debug=1;
-#&Apache::lonhomework::showhash(%ConceptData);
-#$Apache::lonxml::debug=0;
-}
+=item @Students
+=item @Sections
-sub DrawGraph {
- my ($k,$Src)=@_;
- my $Max=0;
- my @data1;
- my @data2;
-
- # Adjust Data and find the Max
- for (my $n=0; $n<=$#Concepts; $n++ ) {
- my $tmp=$Concepts[$n];
- $data1[$n]=$ConceptData{"$tmp.$k.true"};
- $data2[$n]=$ConceptData{"$tmp.$k.false"};
- 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]);
- }
- }
- my $P_No = $#data1+1;
-
- if ( $Max > 1 ) {
- $Max += (10 - $Max % 10);
- $Max = int($Max);
- } else { $Max = 1; }
-
- my $Titr=($ConceptData{'Interval'}>1) ? $Src.'_interval_'.($k+1) : $Src;
-# $GData=$Titr.'&Concepts'.'&'.'Answers'.'&'.$Max.'&'.$P_No.'&'.$data1.'&'.$data2;
- $GData="$Titr&Concepts&Answers&$Max&$P_No&".
- (join(',',@data1)).'&'.(join(',',@data2));
+=item @SelectedSections
- $r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" border=1/>');
-}
+=item %StudentData
+=item @StudentDataOrder
-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.$type"}++;
-}
+=item @SelectedStudentData
-#restore the student submissions and finding the result
-sub OpStatus {
- my ($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 );}
- }
- }
- }
- }
- }
- }
-}
+=item $curr_student
+=item $prev_student
-#---- END Analyze Web Page ----------------------------------------------
+=item $next_student
-#---- Problem Statistics Web Page ---------------------------------------
+=back
-#------- Processing upperlist and lowerlist according to each problem
-sub ProcessDiscriminant {
- my ($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} <br>");
- $Sum1=0;
- $Sum2=0;
- $nStudent=0;
- }
+=cut
- return %Proc;
+#######################################################
+#######################################################
+sub clear_classlist_variables {
+ undef(@FullClasslist);
+ undef(@Students);
+ undef(@Sections);
+ undef(@SelectedSections);
+ undef(%StudentData);
+ undef(@SelectedStudentData);
+ undef($curr_student);
+ undef($prev_student);
+ undef($next_student);
}
+#######################################################
+#######################################################
+=pod
-#------- 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,$_); }
- }
- }
- }
- }
- my %DisUp = &ProcessDiscriminant(\@UpList);
- my %DisLow = &ProcessDiscriminant(\@LowList);
+=item &PrepareClasslist()
- return (\%DisUp, \%DisLow);
-}
+Build up the classlist information. The classlist information is kept in
+the following package variables:
-
-sub NumericSort {
- $a <=> $b;
-}
+=over
+=item @FullClasslist
-sub CreateProblemStatisticsTableHeading {
- my ($displayFormat,$sequenceSource,$sequenceTitle,$headings)=@_;
- if($displayFormat eq 'Display CSV Format') {
- $r->print('<br>"'.$sequenceTitle.'","');
- $r->print($sequenceSource.'"');
- return;
- }
-
- $r->print('<br><a href="'.$sequenceSource.
- '" target="_blank">'.$sequenceTitle.'</a>');
-
- my $Result = "\n".'<table border=2><tr><th>P#</th>'."\n";
- for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) {
- $Result .= '<th>'.'<input type="submit" name="';
- $Result .= 'ProblemStatisticsHeading" value="';
- $Result .= $headings->{$nIndex}.'" />'.'</th>'."\n";
- }
- $Result .= "\n".'</tr>'."\n";
- $r->print($Result);
- $r->rflush();
-}
+=item @Students
-sub CloseTable {
- my ($cache)=@_;
- if($cache->{'DisplayFormat'} eq 'Display CSV Format') {
- return;
- }
- $r->print("\n".'</table>'."\n");
- $r->rflush();
-}
+=item @Sections
+=item @SelectedSections
-
-# ------ Dump the Student's DB file and handling the data for statistics table
-sub ExtractStudentData {
- my ($cache,$name,$list)=@_;
- my %discriminantFactor;
-
- my $totalTries = 0;
- my $totalAwarded = 0;
- my $tempProblemOrder=0;
- my $spent=0;
- my $spent_yes=0;
- my $TotDiscuss=0;
- my $TotalOpend = 0;
- my $ProbSolved = 0;
- my $ProbTot = 0;
- my $TotFirst = 0;
- my $TimeTot = 0;
- my $Discussed=0;
-
- foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
- if($cache->{'ProblemStatisticsMap'} ne 'All Maps' &&
- $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) {
- next;
- }
-
- my $Dis = '';
- 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'}='-';
- }
+=item %StudentData
- # 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;
- }
+=item @SelectedStudentData
- my $tries=0;
- my $time=0;
- my $awarded=0;
- $Discussed=0;
- my $code='U';
-
- $awarded = $cache->{$name.
- "$Version:$problem:resource.".
- "$part.awarded"};
- $partData{$part.':awarded'} = ($awarded) ? $awarded : 0;
- $totalAwarded += $awarded;
-
- $tries = $cache->{$name.":$Version:$problem".
- ":resource.$part.tries"};
- $partData{$part.':tries'} = ($tries) ? $tries : 0;
- $partData{$part.':wrong'} = $partData{$part.':tries'};
- $totalTries += $tries;
-
- my $val = $cache->{$name.":$Version:$problem".
- ":resource.$part.solved"};
- if ($val eq 'correct_by_student') {$code = 'C';}
- elsif ($val eq 'correct_by_override') {$code = 'O';}
- elsif ($val eq 'incorrect_attempted') {$code = 'I';}
- elsif ($val eq 'incorrect_by_override'){$code = 'I';}
- elsif ($val eq 'excused') {$code = 'x';}
- $partData{$part.':code'}=$code;
-
- if($partData{$part.':wrong'} ne 0 &&
- ($code eq 'C' || $code eq 'O')) {
- $partData{$part.':wrong'}--;
- }
- }
- }
+=item $curr_student
- # Loop through all the parts for the current problem in the
- # correct order and prepare the output
- foreach (split(/\:/,$cache->{$sequence.':'.$problemID.
- ':parts'})) {
- my $Yes = 0;
- if($partData{$_.':code'} eq 'C' ||
- $partData{$_.':code'} eq 'O') {
- $Yes=1;
- }
- #my $ptr = "$hash{'title_'.$ResId}";
- my $ptr = $tempProblemOrder.'&'.$problemID;
+=item $prev_student
- if($_ > 1) {
- $ptr .= "*(part $_)";
- $Dis .= '&';
- }
+=item $next_student
- my ($pr_no,$dod)=split('&',$ptr);
- my $DoDiff=$DoDiff{$dod};
-# $r->print('<br>'.$name.'---'.$ptr.'==='.$DoDiff);
-
- my $Fac = ($partData{$_.':Tries'}) ?
- ($partData{$_.':awarded'}/$partData{$_.':tries'}) : 0;
- my $DisF;
- if($Fac > 0 && $Fac < 1) {
- $DisF = sprintf( "%.4f", $Fac );
- } else {
- $DisF = $Fac;
- }
-
- if ($Discuss{"$name:$problem"}) {
- $TotDiscuss++;
- $Discussed=1;
- }
- my $time = $cache->{"$name:$LatestVersion:$problem:timestamp"};
- $Dis .= $tempProblemOrder.'='.$DisF.'+'.$Yes;
- $ptr .= '&'.$partData{$_.'.Tries'}.
- '&'.$partData{$_.'.Wrongs'}.
- '&'.$partData{$_.'.Code'};
- push (@$list, $ptr."&$Discussed");
-
-#### if ($DoDiff>0.85) {
+=back
- $TimeTot += $time;
+$curr_student, $prev_student, and $next_student may not be defined, depending
+upon the calling context.
- if ($Yes==1 && $partData{$_.'.Tries'}==1) {
- $TotFirst++;
- }
- my $Acts= $Activity{$name.':'.$problem};
- if ($Acts) {
- my $Pt=&ProcAct( $Acts, $time );
- #my ($spe,$beg) = split(/\+/,$Pt);
- my $spe= $Pt;
- if ($Yes==1) {$spent_yes += $spe;}
- $spent += $spe;
- #$Beg += $beg;
-# $r->print('<br>'.$name.'---'.$problem.'---'.$spe);
- }
- $TotalOpend++;
- $ProbTot++;
+=cut
- $tempProblemOrder++;
- }
+#######################################################
+#######################################################
+sub PrepareClasslist {
+ my $r = shift;
+ 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($cid,
+ $cdom,$cnum);
+ if (exists($ENV{'form.Section'})) {
+ if (ref($ENV{'form.Section'})) {
+ @SelectedSections = @{$ENV{'form.Section'}};
+ } elsif ($ENV{'form.Section'} !~ /^\s*$/) {
+ @SelectedSections = ($ENV{'form.Section'});
+ }
+ }
+ @SelectedSections = ('all') if (! @SelectedSections);
+ foreach (@SelectedSections) {
+ if ($_ eq 'all') {
+ @SelectedSections = ('all');
+ }
+ }
+ #
+ # Set up %StudentData
+ @StudentDataOrder = qw/fullname username domain id section status/;
+ foreach my $field (@StudentDataOrder) {
+ $StudentData{$field}->{'title'} = $field;
+ $StudentData{$field}->{'base_width'} = length($field);
+ $StudentData{$field}->{'width'} =
+ $StudentData{$field}->{'base_width'};
+ }
+
+ #
+ # 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'} = $length;
+ }
+ }
+ push (@FullClasslist,$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 $sect (@SelectedSections) {
+ if (($sect eq 'all') || ($section eq $sect)) {
+ push (@Students,$studenthash);
+ last;
+ }
+ }
+ }
+ #
+ # Put the consolidated section data in the right place
+ @Sections = sort {$a cmp $b} keys(%Sections);
+ unshift(@Sections,'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 { $a->{$sortby} cmp $b->{$sortby} ||
+ $a->{'fullname'} cmp $b->{'fullname'} } @Students;
+ @Students = @TmpStudents;
+ #
+ # Now deal with that current student thing....
+ if (exists($ENV{'form.StudentAssessmentStudent'})) {
+ my ($current_uname,$current_dom) =
+ split(':',$ENV{'form.StudentAssessmentStudent'});
+ 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 ($i == 0) {
+ $prev_student = 'none';
+ } else {
+ $prev_student = $Students[$i-1];
+ }
+ if ($i == $#Students) {
+ $next_student = 'none';
+ } else {
+ $next_student = $Students[$i+1];
}
- my $pstr;
- if($totalTries) {
- my $DisFac = ($totalAwarded/$totalTries);
- my $DisFactor = sprintf( "%.4f", $DisFac );
- my $TS = sprintf( "%.2f", $spent );
- my $TS_yes = sprintf( "%.2f", $spent_yes );
- # $DiscFac{$DisFactor}=$Dis;
- $pstr=$DisFactor.':'.$name.':'.$ProbTot.':'.$TotalOpend.':'.
- $totalTries.':'.$ProbSolved.':'.$TotFirst.':'.
- $TS_yes.':'.$TS.':'.$TotDiscuss;
- $discriminantFactor{$pstr}=$Dis;
- }
}
-
- return (\%discriminantFactor);
-}
-
-
-=pod
-sub MySort {
- if ( $Pos > 0 ) {
- if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;}
- else { $a <=> $b; }
- }
- else {
- if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;}
- else { $a cmp $b; }
+ #
+ if (exists($ENV{'form.StudentData'})) {
+ if (ref($ENV{'form.StudentData'}) eq 'ARRAY') {
+ @SelectedStudentData = @{$ENV{'form.StudentData'}};
+ } else {
+ @SelectedStudentData = ($ENV{'form.StudentData'});
+ }
+ } else {
+ @SelectedStudentData = ('fullname');
}
-}
-=cut
-
-sub BuildStatisticsTable {
- my ($cache,$discriminantFactor,$list,$headings,$students)=@_;
-
-#6666666
-# my $file="/home/httpd/perl/tmp/183d.txt";
-# open(OUT, ">$file");
-#6666666
- &Create_PrgWin();
-##777777
-## &LoadActivityLog();
-## $r->print('<script>popwin.document.popremain.remaining.value="'.
-## 'Loading Discussion...";</script>');
-## &LoadDoDiffFile();
- &LoadDiscussion();
-
- my $p_count = 0;
- my $nIndex = 0;
- my $dummy;
- my $p_val;
- my $ResId;
- my $NoElements = scalar @$list;
-
- foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
- if($cache->{'ProblemStatisticsMap'} ne 'All Maps' &&
- $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) {
- next;
- }
-
- &CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'},
- $cache->{$sequence.':source'},
- $cache->{$sequence.':title'},
- $headings);
-
-##777777
-## &Classify($discriminantFactor, $students);
-
-
- my ($Hid,$pr)=split(/\:/,$mapsort{$_});
- my @lpr=split(/\&/,$pr);
- for (my $i=1; $i<=$#lpr; $i++) {
- my %storestats=();
- my ($PrOrd,$Prob,$Tries,$Wrongs,$Code,$Disc)=split(/\&/,$list->[$nIndex]);
- my $Temp = $Prob;
- my $MxTries = 0;
- my $TotalTries = 0;
- my $YES = 0;
- my $Incorrect = 0;
- my $Override = 0;
- my $StdNo = 0;
- my $DiscNo=0;
- my @StdLst;
- while ( $PrOrd == $lpr[$i] )
- {
- $nIndex++;
- $StdNo++;
- $StdLst[ $StdNo ] = $Tries;
- $TotalTries += $Tries;
- if ( $MxTries < $Tries ) { $MxTries = $Tries; }
- if ( $Code eq 'C' ){ $YES++; }
- elsif( $Code eq 'I' ) { $Incorrect++; }
- elsif( $Code eq 'O' ) { $Override++; }
- elsif( $Code eq 'U' ) { $StdNo--; }
- ($PrOrd,$Prob,$Tries,$Wrongs,$Code,$Disc)=split(/\&/,$list->[$nIndex]);
- }
-
- $p_count++;
- my $Dummy;
- ($ResId,$Dummy)=split(/\*/,$Temp);
-
- $Temp = '<a href="'.$hash{'src_'.$ResId}.
- '" target="_blank">'.$hash{'title_'.$ResId}.$Dummy.'</a>';
-
- my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId});
- my $urlres=$res;
-
- $ResId=~/(\d+)\.(\d+)/;
- my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} );
- $urlres=$Map;
-
- $res = '<a href="'.$hash{'src_'.$ResId}.'">'.$res.'</a>';
- #$Map = '<a href="'.$Map.'">'.$res.'</a>';
-
-#------------------------ Compute the Average of Tries about one problem
- my $Average = ($StdNo) ? $TotalTries/$StdNo : 0;
-
- $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time;
- $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo;
- $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average;
-
-#-------------------------------- Compute percentage of Wrong tries
- my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0;
-
-#-------------------------------- Compute Standard Deviation
- my $StdDev = 0;
- if ( $StdNo > 1 ) {
- for ( my $n = 0; $n < $StdNo; $n++ ) {
- my $Dif = $StdLst[ $n ]-$Average;
- $StdDev += $Dif*$Dif;
- }
- $StdDev /= ( $StdNo - 1 );
- $StdDev = sqrt( $StdDev );
- }
-
-#-------------------------------- Compute Degree of Difficulty
- my $DoDiff = 0;
- if( $TotalTries > 0 ) {
- $DoDiff = 1 - ( ( $YES + $Override ) / $TotalTries );
-# $DoDiff = ($TotalTries)/($YES + $Override+ 0.1);
- }
-
- $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___difficulty'}=$DoDiff;
-
-#-------------------------------- Compute the Skewness
- my $Skewness = 0;
- my $Sum = 0;
- if ( $StdNo > 0 && $StdDev > 0 ) {
- for ( my $n = 0; $n < $StdNo; $n++ ) {
- my $Dif = $StdLst[ $n ]-$Average;
- $Skewness += $Dif*$Dif*$Dif;
- }
- $Skewness /= $StdNo;
- $Skewness /= $StdDev*$StdDev*$StdDev;
- }
-
-#--------------------- Compute the Discrimination Factors
- my ($Up1,$Up2)=split(/\:/,':');#jason$DisUp->{$lpr[$i]});
- my ($Lw1,$Lw2)=split(/\:/,':');#jason$DisLow->{$lpr[$i]});
- my $Dis1 = $Up1 - $Lw1;
- my $Dis2 = $Up2 - $Lw2;
- my $_D1 = sprintf("%.2f", $Dis1);
- my $_D2 = sprintf("%.2f", $Dis2);
-
-#----------------- Some restition in presenting the float numbers
- my $Avg = sprintf( "%.2f", $Average );
- my $Wrng = sprintf( "%.1f", $Wrong );
- my $SD = sprintf( "%.1f", $StdDev );
- my $DoD = sprintf( "%.2f", $DoDiff );
- my $Sk = sprintf( "%.1f", $Skewness );
- my $join = $lpr[$i].'&'.$Temp.'&'.$StdNo.'&'.
- $TotalTries.'&'.$MxTries.'&'.$Avg.'&'.
- $YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'.
- $SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'.
- $DiscNo.'&'.$Prob;
- $CachData{($p_count-1)}=$join;
-
-#6666666
-# $r->print('<br>'.$out.'&'.$DoD);
-# print (OUT $out.'@'.$DoD.'&');
-#6666666
-
- $urlres=~/^(\w+)\/(\w+)/;
- if ($StdNo) {
- &Apache::lonnet::put('resevaldata',\%storestats,$1,$2);
- }
-#-------------------------------- Row of statistical table
- &TableRow($cache,$join,$i,($p_count-1));
- }
- &CloseTable($cache);
- }
- &Close_PrgWin();
-#666666
-# close( OUT );
-#666666
-}
-
-=pod
-sub Cache_Statistics {
- my ($cache)=@_;
- my @list = ();
- my $Useful;
- my $UnUseful;
-# $r->print('<input type="hidden" name="show" value="excel" />'."\n");
- my %myHeader = reverse( %Header );
- $Pos = $myHeader{$ENV{'form.sort'}};
- if ($Pos > 0) {$Pos++;}
- my $p_count = 0;
- foreach my $key( keys %CachData) {
- my @Temp=split(/\&/,$CachData{$key});
- if ( $Pos == 0 ) {
- ($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]);
- }
- else {
- $Useful = $Temp[$Pos];
- }
- $list[$p_count]=$Useful.'@'.$CachData{$key};
- $p_count++;
- }
-
- @list = sort MySort (@list);
-
- my $nIndex=0;
-
- if ( $Pos == 0 ) {
- foreach (sort keys %mapsort) {
- my ($Hid,$pr)=split(/\:/,$mapsort{$_});
- &CreateProblemStatisticsTableHeading($cache,1,$Hid);
- my @lpr=split(/\&/,$pr);
- for (my $i=1; $i<=$#lpr; $i++) {
- my($Pre, $Post) = split(/\@/,$list[$nIndex]);
- #$r->print('<br>'.$Pre.'---'.$Post);
- &TableRow($cache,$Post,$i,$nIndex);
- $nIndex++;
- }
- &CloseTable($cache);
- }
- }
- 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);
+ foreach (@SelectedStudentData) {
+ if ($_ eq 'all') {
+ @SelectedStudentData = ('all');
+ last;
+ }
}
+ #
+ return;
}
-=cut
+#######################################################
+#######################################################
+=pod
-sub TableRow {
- my ($Str,$Idx,$RealIdx)=@_;
- my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override,
- $Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$DiscNo,$Prob)=split(/\&/,$Str);
- if ($ENV{'form.showcsv'}) {
- my ($ResId,$Dummy)=split(/\*/,$Prob);
- my $Ptr = "\n".'<br>'.
- "\n".'"'.($RealIdx+1).'",'.
- "\n".'"'.$hash{'title_'.$ResId}.$Dummy.'",'.
- "\n".'"'.$hash{'src_'.$ResId}.'",'.
- "\n".'"'.$StdNo.'",'.
- "\n".'"'.$TotalTries.'",'.
- "\n".'"'.$MxTries.'",'.
- "\n".'"'.$Avg.'",'.
- "\n".'"'.$YES.'",'.
- "\n".'"'.$Override.'",'.
- "\n".'"'.$Wrng.'",'.
- "\n".'"'.$DoD.'",'.
- "\n".'"'.$SD.'",'.
- "\n".'"'.$Sk.'",'.
- "\n".'"'.$_D1.'",'.
- "\n".'"'.$_D2.'"'.
- "\n".'"'.$DiscNo.'"';
-
- $r->print("\n".$Ptr);
- }
- else{
- my $Ptr = "\n".'<tr>'.
- "\n".'<td>'.($RealIdx+1).'</td>'.
- # "\n".'<td>'.$PrOrd.$Temp.'</td>'.
- "\n".'<td>'.$Temp.'</td>'.
- "\n".'<td bgcolor='.$color{"yellow"}.'> '.$StdNo.'</td>'.
- "\n".'<td bgcolor='.$color{"yellow"}.'>'.$TotalTries.'</td>'.
- "\n".'<td bgcolor='.$color{"yellow"}.'>'.$MxTries.'</td>'.
- "\n".'<td bgcolor='.$color{"gb"}.'>'.$Avg.'</td>'.
- "\n".'<td bgcolor='.$color{"gb"}.'> '.$YES.'</td>'.
- "\n".'<td bgcolor='.$color{"gb"}.'> '.$Override.'</td>'.
- "\n".'<td bgcolor='.$color{"red"}.'> '.$Wrng.'</td>'.
- "\n".'<td bgcolor='.$color{"red"}.'> '.$DoD.'</td>'.
- "\n".'<td bgcolor='.$color{"green"}.'> '.$SD.'</td>'.
- "\n".'<td bgcolor='.$color{"green"}.'> '.$Sk.'</td>'.
- "\n".'<td bgcolor='.$color{"purple"}.'> '.$_D1.'</td>'.
- "\n".'<td bgcolor='.$color{"purple"}.'> '.$_D2.'</td>'.
- "\n".'<td bgcolor='.$color{"yellow"}.'> '.$DiscNo.'</td>';
- $r->print("\n".$Ptr.'</tr>' );
- }
- $GraphDat{$RealIdx}=$DoD.':'.$Wrng;
-}
+=item ¤t_student()
-sub StatusOptions {
- my ($cache)=@_;
+Returns a pointer to a hash containing data about the currently
+selected student.
- 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 .= '<tr><td align="right"><b>Student Status:</b></td>'."\n";
- $Ptr .= '<td align="left"><select name="Status">';
- $Ptr .= '<option'.$OpSel1.'>Active</option>'."\n";
- $Ptr .= '<option'.$OpSel2.'>Expired</option>'."\n";
- $Ptr .= '<option'.$OpSel3.'>Any</option>'."\n";
- $Ptr .= '</select></td></tr>'."\n";
+=cut
- return $Ptr;
+#######################################################
+#######################################################
+sub current_student {
+ if (defined($curr_student)) {
+ return $curr_student;
+ } else {
+ return 'All Students';
+ }
}
-sub AscendOrderOptions {
- my ($cache)=@_;
-
- my $order = $cache->{'Ascend'};
- my $OpSel1 = '';
- my $OpSel2 = '';
+#######################################################
+#######################################################
- if($order eq 'Ascending') {
- $OpSel1 = ' selected';
- } else {
- $OpSel2 = ' selected';
- }
+=pod
- my $Ptr = '';
- $Ptr .= '<tr><td align="right"><b>Sorting Type:</b></td>'."\n";
- $Ptr .= '<td align="left"><select name="Ascend">'."\n";
- $Ptr .= '<option'.$OpSel1.'>Ascending</option>'."\n".
- '<option'.$OpSel2.'>Descending</option>'."\n";
- $Ptr .= '</select></td></tr>'."\n";
+=item &previous_student()
- return $Ptr;
-}
+Returns a pointer to a hash containing data about the student prior
+in the list of students. Or something.
-sub ProblemStatisticsButtons {
- my ($cache)=@_;
+=cut
- my $Ptr = '<tr><td></td><td align="left">';
- $Ptr .= '<input type=submit name="ProblemStatisticsRecalculate" ';
- $Ptr .= 'value="Recalculate Statistics"/>'."\n";
- $Ptr .= ' ';
- $Ptr .= '<input type="submit" name="DoDiffGraph" ';
- $Ptr .= 'value="DoDiff Graph" />'."\n";
- $Ptr .= ' ';
- $Ptr .= '<input type="submit" name="PercentWrongGraph" ';
- $Ptr .= 'value="%Wrong Graph" />'."\n";
- $Ptr .= ' ';
- $Ptr .= '<input type="submit" name="DisplayCSVFormat" ';
- if($cache->{'DisplayFormat'} eq 'Display CSV Format') {
- $Ptr .= 'value="Display CSV Format" />'."\n";
+#######################################################
+#######################################################
+sub previous_student {
+ if (defined($prev_student)) {
+ return $prev_student;
} else {
- $Ptr .= 'value="Display Table Format" />'."\n";
+ return 'No Student Selected';
}
- $Ptr .= '</td></tr>';
-
- return $Ptr;
}
-sub ProblemStatisticsLegend {
- my $Ptr = '';
- $Ptr = '<table border="0">';
- $Ptr .= '<tr><td>';
- $Ptr .= '<b>#Stdnts</b>:</td>';
- $Ptr .= '<td>Total Number of Students opened the problem.';
- $Ptr .= '</td></tr><tr><td>';
- $Ptr .= '<b>Tries</b>:</td>';
- $Ptr .= '<td>Total Number of Tries for solving the problem.';
- $Ptr .= '</td></tr><tr><td>';
- $Ptr .= '<b>Mod</b>:</td>';
- $Ptr .= '<td>Maximunm Number of Tries for solving the problem.';
- $Ptr .= '</td></tr><tr><td>';
- $Ptr .= '<b>Mean</b>:</td>';
- $Ptr .= '<td>Average Number of the tries. [ Tries / #Stdnts ]';
- $Ptr .= '</td></tr><tr><td>';
- $Ptr .= '<b>#YES</b>:</td>';
- $Ptr .= '<td>Number of students solved the problem correctly.';
- $Ptr .= '</td></tr><tr><td>';
- $Ptr .= '<b>#yes</b>:</td>';
- $Ptr .= '<td>Number of students solved the problem by override.';
- $Ptr .= '</td></tr><tr><td>';
- $Ptr .= '<b>%Wrng</b>:</td>';
- $Ptr .= '<td>Percentage of students tried to solve the problem ';
- $Ptr .= 'but still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]';
- $Ptr .= '</td></tr><tr><td>';
-# Kashy formula
-# '<b> DoDiff </b>: Degree of Difficulty of the problem.<br>'.
-# '[ Tries/(#YES+#yes+0.1) ]<br>'.
- #Gerd formula
- $Ptr .= '<b>DoDiff</b>:</td>';
- $Ptr .= '<td>Degree of Difficulty of the problem. ';
- $Ptr .= '[ 1 - ((#YES+#yes) / Tries) ]';
- $Ptr .= '</td></tr><tr><td>';
- $Ptr .= '<b>S.D.</b>:</td>';
- $Ptr .= '<td>Standard Deviation of the tries. ';
- $Ptr .= '[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1) ';
- $Ptr .= 'where Xi denotes every student\'s tries ]';
- $Ptr .= '</td></tr><tr><td>';
- $Ptr .= '<b>Skew.</b>:</td>';
- $Ptr .= '<td>Skewness of the students tries.';
- $Ptr .= '[(sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3)]';
- $Ptr .= '</td></tr><tr><td>';
- $Ptr .= '<b>Dis.F.</b>:</td>';
- $Ptr .= '<td>Discrimination Factor: A Standard for evaluating the ';
- $Ptr .= 'problem according to a Criterion<br>';
- $Ptr .= '<b>[Applied Criterion in %27 Upper Students - ';
- $Ptr .= 'Applied the same Criterion in %27 Lower Students]</b><br>';
- $Ptr .= '<b>1st Criterion</b> for Sorting the Students: ';
- $Ptr .= '<b>Sum of Partial Credit Awarded / Total Number of Tries</b><br>';
- $Ptr .= '<b>2nd Criterion</b> for Sorting the Students: ';
- $Ptr .= '<b>Total number of Correct Answers / Total Number of Tries</b>';
- $Ptr .= '</td></tr>';
- $Ptr .= '<tr><td><b>Disc.</b></td>';
- $Ptr .= '<td>Number of Students had at least one discussion.';
- $Ptr .= '</td></tr></table>';
+#######################################################
+#######################################################
- return $Ptr;
-}
+=pod
-#---- END Problem Statistics Web Page ----------------------------------------
+=item &next_student()
-#---- Problem Statistics Graph Web Page --------------------------------------
+Returns a pointer to a hash containing data about the next student
+to be viewed.
-# ------------------------------------------- Prepare data for Graphical chart
+=cut
-sub GetGraphData {
- my $ylab = shift;
- my $Col;
- my $data='';
- my $count = 0;
- my $Max = 0;
- my $cid=$ENV{'request.course.id'};
- my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
- "_$ENV{'user.domain'}_$cid\_graph.db";
- foreach (keys %GraphDat) {delete $GraphDat{$_};}
- if (-e "$GraphDB") {
- if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) {
- if ( $ylab eq 'DoDiff Graph' ) {
- $ylab = 'Degree-of-Difficulty';
- $Col = 0;
- }
- else {
- $ylab = 'Wrong-Percentage';
- $Col = 1;
- }
- foreach (sort NumericSort keys %GraphDat) {
- my @Temp=split(/\:/,$GraphDat{$_});
- my $inf = $Temp[$Col];
- if ( $Max < $inf ) {$Max = $inf;}
- $data .= $inf.',';
- $count++;
- }
- if ( $Max > 1 ) {
- $Max += (10 - $Max % 10);
- $Max = int($Max);
- }
- else { $Max = 1; }
- untie(%GraphDat);
- my $Course = $ENV{'course.'.$cid.'.description'};
- $Course =~ s/\ /"_"/eg;
- $GData=$Course.'&'.'Problems'.'&'.$ylab.'&'.$Max.'&'.$count.'&'.$data;
- }
- else {
- $r->print("Unable to tie hash to db file");
- }
+#######################################################
+#######################################################
+sub next_student {
+ if (defined($next_student)) {
+ return $next_student;
+ } else {
+ return 'No Student Selected';
}
}
-#---- Problem Analysis Web Page ----------------------------------------------
-sub IntervalOptions {
- my ($cache)=@_;
+#######################################################
+#######################################################
- my $interval = 1;
- for(my $n=1; $n<=7; $n++) {
- if($cache->{'Interval'} == $n) {
- $interval = $n;
- }
- }
-
- my $Ptr = '<br><b>Select number of intervals</b>'."\n".
- '<select name="Interval">'."\n";
- for(my $n=1; $n<=7;$ n++) {
- $Ptr .= '<option';
- if($interval == $n) {
- $Ptr .= ' selected';
- }
- $Ptr .= '>'.$n."</option>"."\n";
- }
- $Ptr .= '</select>'."\n";
+=pod
- return $Ptr;
-}
+=item &clear_sequence_variables()
-sub OptionResponseTable {
- my ($cache)=@_;
- my $Str = '';
- $Str .= '<br><b> Option Response Problems in this course:</b>'."\n";
- $Str .= '<br><br>'."\n";
- $Str .= "<table border=2><tr><th> \# </th><th> Problem Title </th>";
- $Str .= '<th> Resource </th><th> Analysis </th></tr>'."\n";
-
- my $number=1;
- foreach (split(':::',$cache->{'OptionResponses'})) {
- my ($uri,$title,$part,$problem)=split('::',$_);
- my $Temp = '<a href="'.$uri.'" target="_blank">'.$title.'</a>';
- $Str .= '<tr>';
- $Str .= '<td> '.$number.' </td>';
- $Str .= '<td bgcolor="'.$color{"green"}.'"> '.$Temp.' </td>';
- $Str .= '<td bgcolor="'.$color{"yellow"}.'"> '.$uri.' </td>';
- $Str .= '<td><input type="submit" name="Analyze:::'.$uri.':::';
- $Str .= $title.':::'.$part.':::'.$problem.'" value="';
- $Str .= 'Analyze" /></td></tr>'."\n";
- $number++;
- }
- $Str .= '</table>'."\n";
+=cut
- return $Str;
+#######################################################
+#######################################################
+sub clear_sequence_variables {
+ undef($top_map);
+ undef(@Sequences);
+ undef(@Assessments);
}
-#---- END Problem Analysis Web Page ------------------------------------------
+#######################################################
+#######################################################
-#---- Student Assessment Web Page --------------------------------------------
-
-# ------ Create different Student Report
-sub StudentReport {
- my ($cache, $name)=@_;
-
- my $Str = '';
- if($cache->{$name.':error'} =~ /course/) {
- my ($username)=split(':',$name);
- $Str .= '<b><font color="blue">No course data for student </font>';
- $Str .= '<font color="red">'.$username.'.</font></b><br>';
- return $Str;
- }
-
- $Str .= "<table border=2><tr><th> \# </th><th> Set Title </th>";
- $Str .= '<th> Results </th><th> Tries </th></tr>'."\n";
-
- my $codes;
- my $attempts;
- foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
- if($cache->{'StudentAssessmentMap'} ne 'All Maps' &&
- $cache->{'StudentAssessmentMap'} ne $cache->{$sequence.':title'}) {
- next;
- }
-
- $Str .= '<tr><td>'.$sequence.'</td>';
- $Str .= '<td>'.$cache->{$sequence.':title'}.'</td>';
-
- $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'}='-';
- }
+=pod
- # 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;
- }
+=item &SetSelectedMaps($elementname)
- my $tries=0;
- my $code='U';
+Sets the @SelectedMaps array from $ENV{'form.'.$elementname};
- $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'}=$code;
- }
- }
+=cut
- # Loop through all the parts for the current problem in the
- # correct order and prepare the output
- foreach (split(/\:/,$cache->{$sequence.':'.$problemID.
- ':parts'})) {
- $codes .= $partData{$_.':code'}.',';
- $attempts .= $partData{$_.':tries'}.',';
- }
+#######################################################
+#######################################################
+sub SetSelectedMaps {
+ my $elementname = shift;
+ if (exists($ENV{'form.'.$elementname})) {
+ if (ref($ENV{'form.'.$elementname})) {
+ @SelectedMaps = @{$ENV{'form.'.$elementname}};
+ } else {
+ @SelectedMaps = ($ENV{'form.'.$elementname});
}
- $codes =~ s/,$//;
- $attempts =~ s/,$//;
- $Str .= '<td>'.$codes.'</td>';
- $Str .= '<td>'.$attempts.'</td>';
- $Str .= '</tr>'."\n";
+ } else {
+ @SelectedMaps = ('all');
}
-
- $Str .= '</table>'."\n";
-
- return $Str;
}
-#---- END Student Assessment Web Page ----------------------------------------
-#---- Menu Web Page ----------------------------------------------------------
+#######################################################
+#######################################################
-#---- END Menu Web Page ------------------------------------------------------
+=pod
-#---- HELPER FUNCTIONS -------------------------------------------------------
+=item &Sequences_with_Assess()
-sub CheckFormElement {
- my ($cache, $ENVName, $cacheName, $default)=@_;
+Returns an array containing the subset of @Sequences which contain
+assessments.
- if(defined($ENV{'form.'.$ENVName})) {
- $cache->{$cacheName} = $ENV{'form.'.$ENVName};
- } elsif(!defined($cache->{$cacheName})) {
- $cache->{$cacheName} = $default;
- }
+=cut
- return;
+#######################################################
+#######################################################
+sub Sequences_with_Assess {
+ my @Sequences_to_Show;
+ foreach my $map_symb (@SelectedMaps) {
+ foreach my $sequence (@Sequences) {
+ next if ($sequence->{'symb'} ne $map_symb && $map_symb ne 'all');
+ next if ($sequence->{'num_assess'} < 1);
+ push (@Sequences_to_Show,$sequence);
+ }
+ }
+ return @Sequences_to_Show;
}
-sub ProcessFormData{
- my ($cache)=@_;
+#######################################################
+#######################################################
- $cache->{'reportKey'} = 'false';
+=pod
- &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
- ['sort','download']);
- &CheckFormElement($cache, 'Status', 'Status', 'Active');
- &CheckFormElement($cache, 'postdata', 'reportSelected', 'Class list');
- &CheckFormElement($cache, 'reportSelected', 'reportSelected',
- 'Class list');
- &CheckFormElement($cache, 'DownloadAll', 'DownloadAll', 'false');
- &CheckFormElement($cache, 'sort', 'sort', 'fullname');
- &CheckFormElement($cache, 'download', 'download', 'false');
-
- if(defined($ENV{'form.CreateStudentAssessment'}) ||
- defined($ENV{'form.NextStudent'}) ||
- defined($ENV{'form.PreviousStudent'})) {
- $cache->{'reportSelected'} = 'Student Assessment';
- }
- if(defined($ENV{'form.NextStudent'})) {
- $cache->{'StudentAssessmentMove'} = 'next';
- } elsif(defined($ENV{'form.PreviousStudent'})) {
- $cache->{'StudentAssessmentMove'} = 'previous';
- } else {
- $cache->{'StudentAssessmentMove'} = 'selected';
- }
- &CheckFormElement($cache, 'StudentAssessmentMap', 'StudentAssessmentMap',
- 'All Maps');
- &CheckFormElement($cache, 'StudentAssessmentStudent',
- 'StudentAssessmentStudent', 'No Student Selected');
-
- foreach (keys(%ENV)) {
- if(/form\.Analyze:::/) {
-# $cache->{'reportSelected'} = 'Analyze';
-# $cache->{'reportKey'} = 'Problem Analysis';
- my ($uri, $title, $part, $problem);
- (undef, $uri, $title, $part, $problem)=split(':::', $_);
- $cache->{'AnalyzeURI'} = $uri;
- $cache->{'AnalyzeTitle'} = $title;
- $cache->{'AnalyzePart'} = $part;
- $cache->{'AnalyzeProblem'} = $problem;
-
- &CheckFormElement($cache, 'Interval', 'Interval', '1');
- }
- }
+=item &PrepareCourseData($r)
- return;
+=cut
- # Select page to display
- if(defined($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.DoDiffGraph'})) {
- $cache->{'GoToPage'} = 'DoDiffGraph';
- } elsif(defined($ENV{'form.PercentWrongGraph'})) {
- $cache->{'GoToPage'} = 'PercentWrongGraph';
- } elsif(defined($ENV{'form.ActivityLog'})) {
- $cache->{'GoToPage'} = 'ActivityLog';
- } else {
- $cache->{'GoToPage'} = 'Menu';
+#######################################################
+#######################################################
+sub PrepareCourseData {
+ my ($r) = @_;
+ &clear_sequence_variables();
+ my ($top,$sequences,$assessments) =
+ &Apache::loncoursedata::get_sequence_assessment_data();
+ if (! defined($top) || ! ref($top)) {
+ # There has been an error, better report it
+ &Apache::lonnet::logthis('top is undefined');
+ return;
+ }
+ $top_map = $top if (ref($top));
+ @Sequences = @{$sequences} if (ref($sequences) eq 'ARRAY');
+ @Assessments = @{$assessments} if (ref($assessments) eq 'ARRAY');
+ #
+ # Compute column widths
+ foreach my $seq (@Sequences) {
+ my $name_length = length($seq->{'title'});
+ my $num_parts = $seq->{'num_assess_parts'};
+ #
+ # The number of columns needed for the summation text:
+ # " 1/5" = 1+3 columns, " 10/99" = 1+5 columns
+ my $sum_length = 1+1+2*(length($num_parts));
+ my $num_col = $num_parts+$sum_length;
+ if ($num_col < $name_length) {
+ $num_col = $name_length;
+ }
+ $seq->{'base_width'} = $name_length;
+ $seq->{'width'} = $num_col;
}
-
- &CheckFormElement($cache, 'Status', 'Status', 'Active');
-
return;
}
-=pod
-
-=item &SortStudents()
-
-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.
-
-=over 4
-
-Input: $students, $CacheData
-
-$students: A array pointer to a list of students (username:domain)
-
-$CacheData: A pointer to the hash tied to the cached data
+#######################################################
+#######################################################
-Output: \@order
+=pod
-@order: An ordered list of students (username:domain)
+=item &log_sequence($sequence,$recursive,$padding)
-=back
+Write data about the sequence to a logfile. If $recursive is not
+undef the data is written recursively. $padding is used for recursive
+calls.
=cut
-sub SortStudents {
- my ($cache)=@_;
-
- my @students = split(':::',$cache->{'NamesOfStudents'});
- my @sorted1Students=();
- foreach (@students) {
- if($cache->{'Status'} eq 'Any' ||
- $cache->{$_.':Status'} eq $cache->{'Status'}) {
- push(@sorted1Students, $_);
+#######################################################
+#######################################################
+sub log_sequence {
+ my ($seq,$recursive,$padding) = @_;
+ $padding = '' if (! defined($padding));
+ if (ref($seq) ne 'HASH') {
+ &Apache::lonnet::logthis('log_sequence passed bad sequnce');
+ return;
+ }
+ &Apache::lonnet::logthis($padding.'sequence '.$seq->{'title'});
+ while (my($key,$value) = each(%$seq)) {
+ next if ($key eq 'contents');
+ if (ref($value) eq 'ARRAY') {
+ for (my $i=0;$i< scalar(@$value);$i++) {
+ &Apache::lonnet::logthis($padding.$key.'['.$i.']='.
+ $value->[$i]);
+ }
+ } else {
+ &Apache::lonnet::logthis($padding.$key.'='.$value);
}
}
-
- my $sortBy = '';
- if(defined($cache->{'sort'})) {
- $sortBy = ':'.$cache->{'sort'};
+ if (defined($recursive)) {
+ &Apache::lonnet::logthis($padding.'-'x20);
+ &Apache::lonnet::logthis($padding.'contains:');
+ foreach my $item (@{$seq->{'contents'}}) {
+ if ($item->{'type'} eq 'container') {
+ &log_sequence($item,$recursive,$padding.' ');
+ } else {
+ &Apache::lonnet::logthis($padding.'title = '.$item->{'title'});
+ while (my($key,$value) = each(%$item)) {
+ next if ($key eq 'title');
+ if (ref($value) eq 'ARRAY') {
+ for (my $i=0;$i< scalar(@$value);$i++) {
+ &Apache::lonnet::logthis($padding.$key.'['.$i.']='.
+ $value->[$i]);
+ }
+ } else {
+ &Apache::lonnet::logthis($padding.$key.'='.$value);
+ }
+ }
+ }
+ }
+ &Apache::lonnet::logthis($padding.'end contents of '.$seq->{'title'});
+ &Apache::lonnet::logthis($padding.'-'x20);
}
- my @order = sort { $cache->{$a.$sortBy} cmp $cache->{$b.$sortBy} ||
- $cache->{$a.':fullname'} cmp $cache->{$b.':fullname'} }
- @sorted1Students;
-
- return \@order;
+ return;
}
-sub PrepareData {
- my ($c, $cacheDB)=@_;
+##############################################
+##############################################
- # Test for access to the cache data
- my $courseID=$ENV{'request.course.id'};
- my $isRecalculate=0;
- if(defined($ENV{'form.Recalculate'})) {
- $isRecalculate=1;
- }
+=pod
- my $isCached = &Apache::loncoursedata::TestCacheData($cacheDB,
- $isRecalculate);
- if($isCached < 0) {
- return "Unable to tie hash to db file.";
- }
+=item &StudentDataSelect($elementname,$status,$numvisible,$selected)
- # Download class list information if not using cached data
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) {
- return "Unable to tie hash to db file.";
- }
+Returns html for a selection box allowing the user to choose one (or more)
+of the fields of student data available (fullname, username, id, section, etc)
- if(!$isCached) {
- my $processTopResourceMapReturn=
- &Apache::loncoursedata::ProcessTopResourceMap(\%cache, $c);
- if($processTopResourceMapReturn ne 'OK') {
- untie(%cache);
- return $processTopResourceMapReturn;
- }
- }
+=over 4
- if($c->aborted()) {
- untie(%cache);
- return 'aborted';
- }
+=item $elementname The name of the HTML form element
- my $classlist=&Apache::loncoursedata::DownloadClasslist($courseID,
- $cache{'ClasslistTimestamp'},
- $c);
- foreach (keys(%$classlist)) {
- if(/^(con_lost|error|no_such_host)/i) {
- untie(%cache);
- return "Error getting student data.";
- }
- }
+=item $status 'multiple' or 'single' selection box
- if($c->aborted()) {
- untie(%cache);
- return 'aborted';
- }
+=item $numvisible The number of options to be visible
- # Active is a temporary solution, remember to change
- Apache::loncoursedata::ProcessClasslist(\%cache,$classlist,$courseID,$c);
- if($c->aborted()) {
- untie(%cache);
- return 'aborted';
- }
+=back
- &ProcessFormData(\%cache);
- my $students = &SortStudents(\%cache);
+=cut
- if($cache{'download'} ne 'false') {
- my $who = $cache{'download'};
- my $courseData =
- &Apache::loncoursedata::DownloadStudentCourseInformation(
- $who, $courseID,
- $cache{$who.':lastDownloadTime'});
- &Apache::loncoursedata::ProcessStudentData(\%cache, $courseData, $who);
- $cache{'download'} = 'false';
- } elsif($cache{'DownloadAll'} ne 'false') {
- my @allStudents;
- if($cache{'DownloadAll'} eq 'sorted') {
- @allStudents = @$students;
- } else {
- @allStudents = split(':::', $cache{'NamesOfStudents'});
+##############################################
+##############################################
+sub StudentDataSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '<select name="'.$elementname.'" ';
+ if ($status ne 'single') {
+ $Str .= 'multiple="true" ';
+ }
+ $Str .= 'size="'.$numvisible.'" >'."\n";
+ #
+ # Deal with 'all'
+ $Str .= ' <option value="all" ';
+ foreach (@SelectedStudentData) {
+ if ($_ eq 'all') {
+ $Str .= 'selected ';
+ last;
}
- foreach (@allStudents) {
- my $courseData =
- &Apache::loncoursedata::DownloadStudentCourseInformation(
- $_, $courseID,
- $cache{$_.':lastDownloadTime'});
- &Apache::loncoursedata::ProcessStudentData(\%cache, $courseData,
- $_);
- if($c->aborted()) {
- untie(%cache);
- return 'aborted';
+ }
+ $Str .= ">all</option>\n";
+ #
+ # Loop through the student data fields
+ foreach my $item (@StudentDataOrder) {
+ $Str .= ' <option value="'.$item.'" ';
+ foreach (@SelectedStudentData) {
+ if ($item eq $_ ) {
+ $Str .= 'selected ';
+ last;
}
}
- $cache{'DownloadAll'} = 'false';
- }
-
- if($c->aborted()) {
- untie(%cache);
- return 'aborted';
- }
-
- if($c->aborted()) {
- untie(%cache);
- return 'aborted';
+ $Str .= '>'.$item."</option>\n";
}
+ $Str .= "</select>\n";
+ return $Str;
+}
- untie(%cache);
+##############################################
+##############################################
- return ('OK', $students);
-}
+=pod
-# Create progress
-sub Create_PrgWin {
- $r->print(<<ENDPOP);
- <script>
- popwin=open('','popwin','width=400,height=100');
- popwin.document.writeln('<html><body bgcolor="#88DDFF">'+
- '<title>LON-CAPA Statistics</title>'+
- '<h4>Computation Progress</h4>'+
- '<form name=popremain>'+
- '<input type=text size=35 name=remaining value=Starting></form>'+
- '</body></html>');
- popwin.document.close();
- </script>
-ENDPOP
+=item &MapSelect($elementname,$status,$numvisible,$restriction)
- $r->rflush();
-}
+Returns html for a selection box allowing the user to choose one (or more)
+of the sequences in the course. The values of the sequences are the symbs.
+If the top sequence is selected, the value 'top' will result.
-# update progress
-sub Update_PrgWin {
- my ($totalStudents,$index,$name)=@_;
- $r->print('<script>popwin.document.popremain.remaining.value="'.
- 'Computing '.$index.'/'.$totalStudents.': '.
- $name.'";</script>');
- $r->rflush();
-}
+=over 4
-# close Progress Line
-sub Close_PrgWin {
- $r->print('<script>popwin.close()</script>');
- $r->rflush();
-}
+=item $elementname The name of the HTML form element
-# 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 $status 'multiple' or 'single' selection box
- return;
-}
+=item $numvisible The number of options to be visible
-sub initial {
- undef %hash;
- undef %CachData;
- undef %GraphDat;
- undef %ConceptData;
- undef $GData;
-}
+=item $restriction Code reference to subroutine which returns true or
+false. The code must expect a reference to a sequence data structure.
-#---- END HELPER FUNCTIONS ---------------------------------------------------
+=back
-sub BuildProblemStatisticsPage {
- my ($cacheDB, $students, $courseID, $c)=@_;
+=cut
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- $r->print('<html><body>Unable to tie database.</body></html>');
+##############################################
+##############################################
+sub MapSelect {
+ my ($elementname,$status,$numvisible,$restriction)=@_;
+ if ($numvisible < 1) {
return;
}
-
- my $Ptr = '';
- $Ptr .= '<table border="0"><tbody>';
- $Ptr .= '<tr><td align="right"><b>Select Map</b></td>'."\n";
- $Ptr .= '<td align="left">';
- $Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'ProblemStatistics');
- $Ptr .= '</td></tr>'."\n";
- $r->print($Ptr);
- $r->print(&AscendOrderOptions());
- $r->print(&ProblemStatisticsButtons(\%cache));
- $r->print('</table>');
-
- $r->print(&ProblemStatisticsLegend());
-
- untie(%cache);
- foreach (@$students) {
- my $courseData =
- &Apache::loncoursedata::DownloadStudentCourseInformation($_,
- $courseID);
- last if ($c->aborted());
- if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) {
- &Apache::loncoursedata::ProcessStudentData(\%cache,
- $courseData, $_);
- untie(%cache);
+ #
+ # Set up array of selected items
+ &SetSelectedMaps($elementname);
+ #
+ # Set up the restriction call
+ if (! defined($restriction)) {
+ $restriction = sub { 1; };
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '<select name="'.$elementname.'" ';
+ if ($status ne 'single') {
+ $Str .= 'multiple="true" ';
+ }
+ $Str .= 'size="'.$numvisible.'" >'."\n";
+ #
+ # Deal with 'all'
+ foreach (@SelectedMaps) {
+ if ($_ eq 'all') {
+ @SelectedMaps = ('all');
+ last;
}
}
- if($c->aborted()) { return; }
-
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- $r->print('<html><body>Unable to tie database.</body></html>');
- return;
+ #
+ # Put in option for 'all'
+ $Str .= ' <option value="all" ';
+ foreach (@SelectedMaps) {
+ if ($_ eq 'all') {
+ $Str .= 'selected ';
+ last;
+ }
}
- my $discriminantFactor;
- my @list=();
- foreach (@$students) {
- $discriminantFactor = &ExtractStudentData(\%cache, $_, \@list);
+ $Str .= ">all</option>\n";
+ #
+ # Loop through the sequences
+ foreach my $seq (@Sequences) {
+ next if (! $restriction->($seq));
+ $Str .= ' <option value="'.$seq->{'symb'}.'" ';
+ foreach (@SelectedMaps) {
+ if ($seq->{'symb'} eq $_) {
+ $Str .= 'selected ';
+ last;
+ }
+ }
+ $Str .= '>'.$seq->{'title'}."</option>\n";
}
-
- my ($upper, $lower) = &Discriminant($discriminantFactor);
- my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod",
- 4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff",
- 9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd", 13, "Disc.");
- &BuildStatisticsTable(\%cache, $discriminantFactor, \@list, \%Header,
- $students);
-
- untie(%cache);
-
- return;
-}
-
-sub BuildDiffGraph {
- my ($courseID)=@_;
-
- my $graphData = &GetGraphData('DiffGraph', $courseID);
- $r->print('<IMG src="/cgi-bin/graph.gif?'.$graphData.'" />');
-
- return;
-}
-
-sub BuildWrongGraph {
- my ($courseID)=@_;
-
- my $graphData = &GetGraphData('WrongGraph', $courseID);
- $r->print('<IMG src="/cgi-bin/graph.gif?'.$graphData.'" />');
-
- return;
+ $Str .= "</select>\n";
+ return $Str;
}
-sub BuildAnalyzePage {
- my ($cacheDB, $students, $courseID)=@_;
-
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- $r->print('<html><body>Unable to tie database.</body></html>');
- return;
- }
+##############################################
+##############################################
- &ShowOpGraph(\%cache, $students, $courseID);
+=pod
- untie(%cache);
+=item &SectionSelect($elementname,$status,$numvisible)
- return;
-}
+Returns html for a selection box allowing the user to choose one (or more)
+of the sections in the course.
-sub BuildProblemAnalysisPage {
- my ($cacheDB)=@_;
+=over 4
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- $r->print('<html><body>Unable to tie database.</body></html>');
- return;
- }
+=item $elementname The name of the HTML form element
- $r->print(&IntervalOptions());
- $r->print(&OptionResponseTable(\%cache));
+=item $status 'multiple' or 'single' selection box
- untie(%cache);
+=item $numvisible The number of options to be visible
- return;
-}
+=item $selected Array ref to the names of the already selected sections.
+If undef, $ENV{'form.'.$elementname} is used.
+If $ENV{'form.'.$elementname} is also empty, none will be selected.
-sub BuildStudentAssessmentPage {
- my ($cacheDB, $students, $courseID, $c)=@_;
+=item $restriction Code reference to subroutine which returns true or
+false. The code must expect a reference to a sequence data structure.
- my %cache;
+=back
- my $Ptr = '';
- $Ptr .= '<table border="0"><tbody>';
- $r->print($Ptr);
+=cut
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- $r->print('<html><body>Unable to tie database.</body></html>');
+##############################################
+##############################################
+sub SectionSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
return;
}
-
- my $selectedName = $cache{'StudentAssessmentStudent'};
- for(my $index=0;
- ($selectedName ne 'All Students') && ($index<(scalar @$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];
- } else {
- $selectedName = $students->[$index+1];
- }
- } elsif($cache{'StudentAssessmentMove'} eq 'previous') {
- if($index == 0) {
- $selectedName = $students->[-1];
- } else {
- $selectedName = $students->[$index-1];
- }
- } else {
- $selectedName = $students->[$index];
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '<select name="'.$elementname.'" ';
+ if ($status ne 'single') {
+ $Str .= 'multiple="true" ';
+ }
+ $Str .= 'size="'.$numvisible.'" >'."\n";
+ #
+ # Loop through the sequences
+ foreach my $s (@Sections) {
+ $Str .= ' <option value="'.$s.'" ';
+ foreach (@SelectedSections) {
+ if ($s eq $_) {
+ $Str .= 'selected ';
+ last;
}
- last;
}
+ $Str .= '>'.$s."</option>\n";
}
-
- $Ptr .= '<tr><td align="right"><b>Select Map</b></td>'."\n";
- $Ptr .= '<td align="left">';
- $Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'StudentAssessment');
- $Ptr .= '</td></tr>'."\n";
- $Ptr .= '<tr><td align="right"><b>Select Student</b></td>'."\n";
- $Ptr .= '<td align="left">'."\n";
- $Ptr .= &Apache::lonhtmlcommon::StudentOptions(\%cache, $students,
- $selectedName,
- 'StudentAssessment');
- $Ptr .= '</td></tr>'."\n";
- untie(%cache);
-
- $Ptr .= '<tr><td></td><td align="left">';
- $Ptr .= '<input type="submit" name="CreateStudentAssessment" ';
- $Ptr .= 'value="Create Student Report" />';
- $Ptr .= '   ';
- $Ptr .= '<input type="submit" name="PreviousStudent" ';
- $Ptr .= 'value="Previous Student" />';
- $Ptr .= '   ';
- $Ptr .= '<input type="submit" name="NextStudent" ';
- $Ptr .= 'value="Next Student" />';
- $Ptr .= '   ';
- $Ptr .= '</td></tr></tbody></table>'."\n";
- $r->print($Ptr);
-
- if($selectedName eq 'No Student Selected') {
- $r->print('<h3><font color=blue>WARNING: ');
- $r->print('Please select a student</font></h3>');
- return;
- }
-
- my $selected=0;
- foreach (@$students) {
- next if ($_ ne $selectedName &&
- $selectedName ne 'All Students');
- $selected = 1;
- my $courseData =
- &Apache::loncoursedata::DownloadStudentCourseInformation($_,
- $courseID);
- last if ($c->aborted());
- if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) {
- &Apache::loncoursedata::ProcessStudentData(\%cache,
- $courseData, $_);
- if(!$c->aborted()) { $r->print(&StudentReport(\%cache, $_)); }
- untie(%cache);
- }
- }
- if($selected == 0) {
- $r->print('<h3><font color=blue>WARNING: ');
- $r->print('Please select a student</font></h3>');
- return;
- }
-
- return;
+ $Str .= "</select>\n";
+ return $Str;
}
-sub BuildClasslist {
- my ($cacheDB,$students,$studentInformation,$headings,$spacePadding)=@_;
-
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- return '<html><body>Unable to tie database.</body></html>';
- }
-
+##################################################
+##################################################
+sub DisplayClasslist {
+ my ($r)=@_;
+ #
+ my @Fields = ('fullname','username','domain','id','section');
+ #
my $Str='';
$Str .= '<table border="0"><tr><td bgcolor="#777777">'."\n";
$Str .= '<table border="0" cellpadding="3"><tr bgcolor="#e6ffff">'."\n";
-
- my $displayString = '<td align="left"><a href="/adm/statistics?';
- $displayString .= 'sort=LINKDATA">DISPLAYDATA </a></td>'."\n";
- $Str .= &Apache::lonhtmlcommon::CreateStudentInformationHeadings(\%cache,
- $studentInformation,
- $headings,
- $displayString);
- $Str .= '<td align="left">';
- $Str .= '<a href="/adm/statistics?sort=lastDownloadTime">';
- $Str .= 'Last Updated  </a></td>'."\n";
+ foreach my $field (@Fields) {
+ $Str .= '<th><a href="/adm/statistics?reportSelected=classlist&sort='.$field.'">'.$field.
+ '</a></th>';
+ }
$Str .= '</tr>'."\n";
- my $alternate=0;
- foreach (@$students) {
- my ($username, $domain) = split(':', $_);
+ #
+ my $alternate = 0;
+ foreach my $student (@Students) { # @Students is a package variable
+ my $sname = $student->{'username'}.':'.$student->{'domain'};
if($alternate) {
- $Str .= '<tr bgcolor="#ffffe6"><td>';
+ $Str .= '<tr bgcolor="#ffffe6">';
} else {
- $Str .= '<tr bgcolor="#ffffc6"><td>';
+ $Str .= '<tr bgcolor="#ffffc6">';
}
$alternate = ($alternate + 1) % 2;
- foreach my $data (@$studentInformation) {
- if($data eq 'fullname') {
+ #
+ foreach my $field (@Fields) {
+ $Str .= '<td>';
+ if ($field eq 'fullname') {
$Str .= '<a href="/adm/statistics?reportSelected=';
- $Str .= &Apache::lonnet::escape('Student Assessment').'">';
- }
-
- $Str .= $cache{$_.':'.$data}.' ';
-
- if($data eq 'fullname') {
+ $Str .= &Apache::lonnet::escape('student_assessment');
+ $Str .= '&StudentAssessmentStudent=';
+ $Str .= &Apache::lonnet::escape($sname).'">';
+ $Str .= $student->{$field}.' ';
$Str .= '</a>';
+ } else {
+ $Str .= $student->{$field};
}
-
- $Str .= '</td><td>';
+ $Str .= '</td>';
}
-
- $Str .= '<a href="/adm/statistics?download='.$_.'">';
- my $downloadTime = $cache{$_.':lastDownloadTime'};
- if($downloadTime ne 'Not downloaded') {
- $downloadTime = localtime($downloadTime);
- }
- $Str .= $downloadTime;
-
- $Str .= ' </a></td></tr>'."\n";
+ $Str .= "</tr>\n";
}
-
$Str .= '</table></td></tr></table>'."\n";
-
- untie(%cache);
-
- return $Str;
-}
-
-sub BuildStatistics {
- my ($r)=@_;
-
- my $c = $r->connection;
- my @studentInformation=('fullname','section','id','domain','username');
- my @headings=('Full Name', 'Section', 'PID', 'Domain', 'User Name');
- my $spacePadding = ' ';
- my %reports = ('classlist' => 'Class list',
- 'problem_statistics' => 'Problem Statistics',
- 'student_assessment' => 'Student Assessment',
- 'reportSelected' => 'Class list');
-
- my %cache;
- my $courseID=$ENV{'request.course.id'};
- my $cacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
- "_$ENV{'user.domain'}_$courseID\_statistics.db";
-
- &setbgcolor(0);
- my ($returnValue, $students) = &PrepareData($c, $cacheDB);
- if($returnValue ne 'OK') {
- $r->print('<html><body>'.$returnValue."\n".'</body></html>');
- return OK;
- }
-
- my $GoToPage;
- if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- $GoToPage = $cache{'reportSelected'};
- $reports{'reportSelected'} = $cache{'reportSelected'};
-# if(defined($cache{'reportKey'}) && $cache{'reportKey'} ne 'false') {
-# $reports{$cache{'reportKey'}} = $cache{'reportSelected'};
-# }
-
- if(defined($cache{'OptionResponses'})) {
- $reports{'problem_analysis'} = 'Problem Analysis';
- }
-
- $r->print(&Apache::lonhtmlcommon::Title('LON-CAPA Statistics'));
- $r->print('<form name="Statistics" ');
- $r->print('method="post" action="/adm/statistics">');
- $r->print(&Apache::lonhtmlcommon::CreateStatisticsMainMenu(
- $cache{'Status'},
- \%reports));
- untie(%cache);
- } else {
- $r->print('<html><body>Unable to tie database.</body></html>');
- return OK;
- }
-
- if($GoToPage eq 'Activity Log') {
- &Activity();
- } elsif($GoToPage eq 'Problem Statistics') {
- &BuildProblemStatisticsPage($cacheDB, $students, $courseID, $c);
- } elsif($GoToPage eq 'Problem Analysis') {
- &BuildProblemAnalysisPage($cacheDB);
- } elsif($GoToPage eq 'Student Assessment') {
- &BuildStudentAssessmentPage($cacheDB, $students, $courseID, $c);
- } elsif($GoToPage eq 'Analyze') {
- &BuildAnalyzePage($cacheDB, $students, $courseID);
- } elsif($GoToPage eq 'DoDiffGraph') {
- &BuildDiffGraph($courseID);
- } elsif($GoToPage eq 'PercentWrongGraph') {
- &BuildWrongGraph($courseID);
- } elsif($GoToPage eq 'Class list') {
- $r->print(&BuildClasslist($cacheDB, $students, \@studentInformation,
- \@headings, $spacePadding));
- }
-
- $r->print('</form>'."\n");
- $r->print("\n".'</body>'."\n".'</html>');
+ #
+ $r->print($Str);
$r->rflush();
-
- return OK;
+ #
+ return;
}
-# ================================================================ Main Handler
+##############################################
+##############################################
+sub CreateMainMenu {
+ my ($status,$reports,$current)=@_;
+ #
+ my $Str = '';
+ #
+ $Str .= '<table border="0"><tbody><tr>'."\n";
+ $Str .= '<td></td>'."\n";
+ $Str .= '<td></td>'."\n";
+ $Str .= '<td align="center"><b>Select a Report</b></td>'."\n";
+ $Str .= '<td align="center"><b>Student Status</b></td></tr>'."\n";
+ $Str .= '<tr>'."\n";
+ #
+ $Str .= '<td align="center">'.
+ '<input type="submit" name="Refresh" value="Update Display" />'.
+ "</td>\n";
+ $Str .= '<td align="center">'.
+ '<input type="submit" name="ClearCache" value="Clear Caches" />'.
+ "</td>\n";
+ #
+ $Str .= '<td align="center">';
+ $Str .= '<select name="reportSelected" >'."\n";
+ foreach (sort(keys(%$reports))) {
+ $Str .= '<option value="'.$_.'"';
+ if($current eq $_) {
+ $Str .= ' selected';
+ }
+ $Str .= '>'.$reports->{$_}.'</option>'."\n";
+ }
+ $Str .= '</select></td>'."\n";
+ #
+ $Str .= '<td align="center">';
+ $Str .= &Apache::lonhtmlcommon::StatusOptions($status, 'Statistics');
+ $Str .= '</td>'."\n";
+ #
+ $Str .= '</tr></tbody></table>'."\n";
+ $Str .= '<hr>'."\n";
+ #
+ return $Str;
+}
+##############################################
+##############################################
sub handler {
- $r=shift;
- &initial();
-
+ 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 $loaderror; }
+ #
+ # Check for access
unless(&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
$ENV{'user.error.msg'}=
$r->uri.":vgr:0:0:Cannot view grades for complete course";
- return HTTP_NOT_ACCEPTABLE;
+ return HTTP_NOT_ACCEPTABLE;
}
-
+ #
# Set document type for header only
if($r->header_only) {
if ($ENV{'browser.mathml'}) {
@@ -2139,19 +897,101 @@ sub handler {
$r->send_http_header;
return OK;
}
-
- unless($ENV{'request.course.fn'}) {
- my $requrl=$r->uri;
- $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
- return HTTP_NOT_ACCEPTABLE;
- }
-
+ #
+ # Send the header
$r->content_type('text/html');
$r->send_http_header;
-
- &BuildStatistics($r);
-
+ #
+ # Extract form elements from query string
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['sort','reportSelected',
+ 'StudentAssessmentStudent']);
+ if (! exists($ENV{'form.reportSelected'})) {
+ $ENV{'form.reportSelected'} = 'student_assessment';
+ }
+ #
+ # Give the LON-CAPA page header
+ $r->print(&Apache::lonhtmlcommon::Title('Course Statistics and Charts'));
+ $r->rflush();
+ #
+ if (! &Apache::lonmysql::verify_sql_connection()) {
+ my $serveradmin = $r->dir_config('lonAdmEMail');
+ $r->print(<<END);
+<h2><font color="Red">Unable to connect to database!</font></h2>
+<p>
+Please notify the server administrator <b>$serveradmin</b>.
+</p><p>
+Course Statistics and Charts cannot be retrieved until the database is
+restarted. Your data is intact but cannot be displayed at this time.
+</p>
+</body>
+</html>
+END
+ return;
+ }
+ #
+ # Clean out the caches
+ if (exists($ENV{'form.ClearCache'})) {
+ &Apache::loncoursedata::delete_caches($ENV{'requres.course.id'});
+ }
+ #
+ # Set up the statistics and chart environment
+ &PrepareClasslist($r);
+ &PrepareCourseData($r);
+ #
+ # Begin form output
+ $r->print('<form name="Statistics" ');
+ $r->print('method="post" action="/adm/statistics">');
+ #
+ # Print main menu
+ my %reports = ('classlist' => 'Class list',
+ 'problem_statistics' => 'Problem Statistics',
+ 'student_assessment' => 'Problem Status Chart',
+ 'percentage' => 'Correct-problems Plot',
+ 'option_response' => 'Option Response Analysis',
+# 'activitylog' => 'Activity Log',
+ );
+ $r->print(&CreateMainMenu($ENV{'form.status'},
+ \%reports,$ENV{'form.reportSelected'}));
+ $r->rflush();
+ #
+ my $GoToPage = $ENV{'form.reportSelected'};
+ if($GoToPage eq 'activitylog') {
+# &Apache::lonproblemstatistics::Activity();
+ } elsif($GoToPage eq 'problem_statistics') {
+ &Apache::lonproblemstatistics::BuildProblemStatisticsPage($r,$c);
+ } elsif($GoToPage eq 'option_response') {
+# &Apache::lonproblemanalysis::BuildProblemAnalysisPage($r,$c);
+ } elsif($GoToPage eq 'student_assessment') {
+ &Apache::lonstudentassessment::BuildStudentAssessmentPage($r,$c);
+ } elsif($GoToPage eq 'DoDiffGraph' || $GoToPage eq 'PercentWrongGraph') {
+# &Apache::lonproblemstatistics::BuildGraphicChart($r,$c);
+ } elsif($GoToPage eq 'classlist') {
+ &DisplayClasslist($r);
+ } elsif($GoToPage eq 'Correct-problems Plot') {
+# &Apache::lonpercentage::BuildPercentageGraph($r,$c);
+ }
+ #
+ $r->print("</form>\n");
+ $r->print("</body>\n</html>\n");
+ $r->rflush();
+ #
return OK;
}
+
1;
+
+#######################################################
+#######################################################
+
+=pod
+
+=back
+
+=cut
+
+#######################################################
+#######################################################
+
__END__
+