version 1.4, 2002/02/06 16:59:01
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version 1.87, 2003/10/21 20:24:52
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# (Publication Handler |
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# |
# |
# $Id$ |
# $Id$ |
# |
# |
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# (Navigate problems for statistical reports |
# (Navigate problems for statistical reports |
# YEAR=2001 |
# |
# 5/05/01, 7/09/01, 7/25/01, 8/11/01,9/13/01, 9/26/01 Behrouz Minaei |
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# 10/5/01, 10/9/01, 10/22/01, 10/26/01 Behrouz Minaei |
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# 11/1/01, 11/4/01, 11/16/01 Behrouz Minaei |
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# 12/14/01, 12/16/01, 12/18/01,12/20/01,12/31/01 Behrouz Minaei |
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# YEAR=2002 |
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# 1/22/02,2/1/02 Behrouz Minaei |
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### |
### |
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package Apache::lonstatistics; |
=pod |
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=head1 NAME |
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lonstatistics |
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=head1 SYNOPSIS |
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Main handler for statistics and chart. |
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=head1 PACKAGES USED |
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use strict; |
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use Apache::Constants qw(:common :http); |
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use Apache::lonnet(); |
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use Apache::lonhomework; |
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use Apache::loncommon; |
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use Apache::loncoursedata; |
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use Apache::lonhtmlcommon; |
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use Apache::lonproblemanalysis; |
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use Apache::lonproblemstatistics; |
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use Apache::lonstudentassessment; |
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use Apache::lonpercentage; |
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use Apache::lonmysql; |
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=over 4 |
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=cut |
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package Apache::lonstatistics; |
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use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
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use vars qw( |
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@FullClasslist |
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@Students |
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@Sections |
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@SelectedSections |
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%StudentData |
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@StudentDataOrder |
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@SelectedStudentData |
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$top_map |
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@Sequences |
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@SelectedMaps |
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@Assessments); |
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use Apache::lonnet(); |
use Apache::lonnet(); |
use Apache::lonhomework; |
use Apache::lonhomework; |
use HTML::TokeParser; |
use Apache::loncommon; |
use GDBM_File; |
use Apache::loncoursedata; |
#use Benchmark; |
use Apache::lonhtmlcommon; |
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use Apache::lonproblemanalysis(); |
# -------------------------------------------------------------- Module Globals |
use Apache::lonproblemstatistics(); |
my %hash; |
use Apache::lonstudentassessment(); |
my %CachData; |
use Apache::lonpercentage; |
my %GraphDat; |
use Apache::lonmysql; |
my %maps; |
use Apache::lonlocal; |
my @mapsort; |
use Time::HiRes; |
my %section; |
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my %StuBox; |
####################################################### |
my %DiscFac; |
####################################################### |
my $CurMap; |
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my $CurSec; |
=pod |
my $CurStu; |
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my @cols; |
=item Package Variables |
my @list; |
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my @students; |
=item @FullClasslist The full classlist |
my $p_count; |
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my $Pos; |
=item @Students The students we are concerned with for this invocation |
my $r; |
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my $OpSel1; |
=item @Sections The sections available in this class |
my $OpSel2; |
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my $OpSelDis1; |
=item $curr_student The student currently being examined |
my $OpSelDis2; |
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my $CurDis=0; |
=item $prev_student The student previous in the classlist |
my $OpSel3; |
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my $OpSel4; |
=item $next_student The student next in the classlist |
my $GData; |
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my $cid; |
=over |
my $firstres; |
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my $lastres; |
=cut |
my $DiscFlag=0; |
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my $HWN=0; |
####################################################### |
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####################################################### |
my %Header = (0,"Problem Title",1,"#Stdnts",2,"Tries",3,"Mod", |
# |
4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"S.D.", |
# Classlist variables |
9,"Skew.",10,"DoDiff",11,"Map"); |
# |
# 9,"Skew.",10,"DoDiff",11,"Dis.F.",12,"Resourse URL"); |
my $curr_student; |
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my $prev_student; |
sub NumericSort { |
my $next_student; |
$a <=> $b; |
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} |
####################################################### |
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####################################################### |
# ------ Create different Student Report |
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sub StudentReport { |
=pod |
my ($sname,$sdom)=@_; |
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if ( $sname eq 'All Students' ) { |
=item &clear_classlist_variables() |
$r->print( '<h3><font color=blue>WARNING: |
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Please select a student</font></h3>' ); |
undef the following package variables: |
return; |
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} |
=over |
my $shome=&Apache::lonnet::homeserver( $sname,$sdom ); |
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my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome ); |
=item @FullClasslist |
my %result = (); |
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my $ResId; |
=item @Students |
my $Code; |
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my $Tries; |
=item @Sections |
my $TotalTries = 0; |
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my $ParCr = 0; |
=item @SelectedSections |
my $Wrongs; |
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my %TempHash; |
=item %StudentData |
my $Version; |
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my $LatestVersion; |
=item @StudentDataOrder |
my $PtrTry=''; |
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my $PtrCod=''; |
=item @SelectedStudentData |
my $SetNo=0; |
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my $Str = "\n".'<table border=2>'. |
=item $curr_student |
"\n".'<tr>'. |
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"\n".'<th> # </th>'. |
=item $prev_student |
"\n".'<th> Set Title </th>'. |
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"\n".'<th> Results </th>'. |
=item $next_student |
"\n".'<th> Tries </th>'. |
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"\n".'</tr>'; |
=back |
unless ($reply=~/^error\:/) { |
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map { |
=cut |
my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); |
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$result{$name}=$value; |
####################################################### |
} split(/\&/,$reply);; |
####################################################### |
foreach $ResId (@cols) { |
sub clear_classlist_variables { |
if ( !$ResId ) { |
undef(@FullClasslist); |
my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1}); |
undef(@Students); |
if ( $Set ) { |
undef(@Sections); |
$SetNo++; |
undef(@SelectedSections); |
$Str .= "\n"."<tr>". |
undef(%StudentData); |
"\n"."<td> $SetNo </td>". |
undef(@SelectedStudentData); |
"\n"."<td> $Set </td>". |
undef($curr_student); |
"\n"."<td> $PtrCod </td>". |
undef($prev_student); |
"\n"."<td> $PtrTry</td>". |
undef($next_student); |
"\n"."</tr>"; |
} |
} |
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$PtrTry=''; |
####################################################### |
$PtrCod=''; |
####################################################### |
next; |
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} |
=pod |
$ResId=~/(\d+)\.(\d+)/; |
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my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
=item &PrepareClasslist() |
if ( $CurMap ne 'All Maps' ) { |
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my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); |
Build up the classlist information. The classlist information is kept in |
if ( $Map ne $ResMap ) { next; } |
the following package variables: |
} |
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my $meta=$hash{'src_'.$ResId}; |
=over |
my $PartNo = 0; |
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undef %TempHash; |
=item @FullClasslist |
map { |
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if ($_=~/^stores\_(\d+)\_tries$/) { |
=item @Students |
my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); |
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if ( $TempHash{"$Part"} eq '' ) { |
=item @Sections |
$TempHash{"$Part"} = $Part; |
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$TempHash{$PartNo}=$Part; |
=item @SelectedSections |
$TempHash{"$Part.Code"} = '-'; |
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$PartNo++; |
=item %StudentData |
} |
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} |
=item @SelectedStudentData |
} split(/\,/,&Apache::lonnet::metadata($meta,'keys')); |
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=item $curr_student |
my $Prob = $Map.'___'.$2.'___'. |
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&Apache::lonnet::declutter( $hash{'src_'.$ResId} ); |
=item $prev_student |
$Code='U'; |
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$Tries = 0; |
=item $next_student |
$Wrongs = 0; |
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$LatestVersion = $result{"version:$Prob"}; |
=back |
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if ( $LatestVersion ) { |
$curr_student, $prev_student, and $next_student may not be defined, depending |
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { |
upon the calling context. |
my $vkeys = $result{"$Version:keys:$Prob"}; |
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my @keys = split(/\:/,$vkeys); |
=cut |
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foreach my $Key (@keys) { |
####################################################### |
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { |
####################################################### |
my $Part = $1; |
sub PrepareClasslist { |
$Tries = $result{"$Version:$Prob:resource.$Part.tries"}; |
my %Sections; |
$TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0; |
&clear_classlist_variables(); |
$TotalTries += $Tries; |
# |
my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; |
# Retrieve the classlist |
if ( $Val eq 'correct_by_student' ) |
my $cid = $ENV{'request.course.id'}; |
{ $Wrongs = $Tries - 1; $Code = 'Y'; } |
my $cdom = $ENV{'course.'.$cid.'.domain'}; |
elsif ( $Val eq 'correct_by_override' ) |
my $cnum = $ENV{'course.'.$cid.'.num'}; |
{ $Wrongs = $Tries - 1; $Code = 'y'; } |
my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cid, |
elsif ( $Val eq 'incorrect_attempted' || |
$cdom,$cnum); |
$Val eq 'incorrect_by_override' ) |
if (exists($ENV{'form.Section'})) { |
{ $Wrongs = $Tries; $Code = 'N'; } |
if (ref($ENV{'form.Section'})) { |
$TempHash{"$Part.Code"} = $Code; |
@SelectedSections = @{$ENV{'form.Section'}}; |
$TempHash{"$Part.Wrongs"} = $Wrongs; |
} elsif ($ENV{'form.Section'} !~ /^\s*$/) { |
} |
@SelectedSections = ($ENV{'form.Section'}); |
} |
} |
} |
} |
for ( my $n = 0; $n < $PartNo; $n++ ) { |
@SelectedSections = ('all') if (! @SelectedSections); |
my $part = $TempHash{$n}; |
foreach (@SelectedSections) { |
if ($PtrTry ne '') {$PtrTry .= ',';} |
if ($_ eq 'all') { |
$PtrTry .= "$TempHash{$part.'.Tries'}"; |
@SelectedSections = ('all'); |
$PtrCod .= "$TempHash{$part.'.Code'}"; |
} |
} |
} |
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# |
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# Deal with instructors with restricted section access |
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if ($ENV{'request.course.sec'} !~ /^\s*$/) { |
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@SelectedSections = ($ENV{'request.course.sec'}); |
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} |
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# |
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# Set up %StudentData |
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@StudentDataOrder = qw/fullname username domain id section status/; |
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foreach my $field (@StudentDataOrder) { |
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$StudentData{$field}->{'title'} = $field; |
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$StudentData{$field}->{'base_width'} = length($field); |
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$StudentData{$field}->{'width'} = |
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$StudentData{$field}->{'base_width'}; |
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} |
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# |
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# get the status requested |
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my $requested_status = 'Active'; |
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$requested_status = $ENV{'form.Status'} if (exists($ENV{'form.Status'})); |
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# |
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# Process the classlist |
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while (my ($student,$student_data) = each (%$classlist)) { |
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my $studenthash = (); |
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for (my $i=0; $i< scalar(@$field_names);$i++) { |
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my $field = $field_names->[$i]; |
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# Store the data |
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$studenthash->{$field}=$student_data->[$i]; |
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# Keep track of the width of the fields |
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next if (! exists($StudentData{$field})); |
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my $length = length($student_data->[$i]); |
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if ($StudentData{$field}->{'width'} < $length) { |
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$StudentData{$field}->{'width'} = $length; |
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} |
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} |
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push (@FullClasslist,$studenthash); |
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# |
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# Build up a list of sections |
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my $section = $studenthash->{'section'}; |
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if (! defined($section) || $section =~/^\s*$/ || $section == -1) { |
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$studenthash->{'section'} = 'none'; |
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$section = $studenthash->{'section'}; |
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} |
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$Sections{$section}++; |
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# |
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# Only put in the list those students we are interested in |
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foreach my $sect (@SelectedSections) { |
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if ( (($sect eq 'all') || |
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($section eq $sect)) && |
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(($studenthash->{'status'} eq $requested_status) || |
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($requested_status eq 'Any')) |
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){ |
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push (@Students,$studenthash); |
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last; |
} |
} |
else { |
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for(my $n=0; $n<$PartNo; $n++) { |
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if ($PtrTry ne '') {$PtrTry .= ',';} |
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$PtrTry .= "0"; |
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$PtrCod .= "-"; |
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} |
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} |
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} |
} |
} |
} |
$Str .= "\n".'</table>'; |
# |
$r->print($Str); |
# Put the consolidated section data in the right place |
$r->rflush(); |
if ($ENV{'request.course.sec'} !~ /^\s*$/) { |
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@Sections = ($ENV{'request.course.sec'}); |
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} else { |
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@Sections = sort {$a cmp $b} keys(%Sections); |
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unshift(@Sections,'all'); # Put 'all' at the front of the list |
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} |
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# |
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# Sort the Students |
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my $sortby = 'fullname'; |
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$sortby = $ENV{'form.sort'} if (exists($ENV{'form.sort'})); |
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my @TmpStudents = sort { $a->{$sortby} cmp $b->{$sortby} || |
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$a->{'fullname'} cmp $b->{'fullname'} } @Students; |
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@Students = @TmpStudents; |
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# |
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# Now deal with that current student thing.... |
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$curr_student = undef; |
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if (exists($ENV{'form.SelectedStudent'})) { |
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my ($current_uname,$current_dom) = |
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split(':',$ENV{'form.SelectedStudent'}); |
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my $i; |
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for ($i = 0; $i<=$#Students; $i++) { |
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next if (($Students[$i]->{'username'} ne $current_uname) || |
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($Students[$i]->{'domain'} ne $current_dom)); |
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$curr_student = $Students[$i]; |
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last; # If we get here, we have our student. |
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} |
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if (defined($curr_student)) { |
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if ($i == 0) { |
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$prev_student = undef; |
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} else { |
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$prev_student = $Students[$i-1]; |
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} |
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if ($i == $#Students) { |
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$next_student = undef; |
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} else { |
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$next_student = $Students[$i+1]; |
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} |
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} |
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} |
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# |
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if (exists($ENV{'form.StudentData'})) { |
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if (ref($ENV{'form.StudentData'}) eq 'ARRAY') { |
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@SelectedStudentData = @{$ENV{'form.StudentData'}}; |
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} else { |
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@SelectedStudentData = ($ENV{'form.StudentData'}); |
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} |
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} else { |
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@SelectedStudentData = ('username'); |
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} |
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foreach (@SelectedStudentData) { |
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if ($_ eq 'all') { |
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@SelectedStudentData = ('all'); |
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last; |
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} |
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} |
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# |
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return; |
} |
} |
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# ------------------------------------------- Prepare Statistics Table |
####################################################### |
sub PreStatTable { |
####################################################### |
my $CacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
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"_$ENV{'user.domain'}_$cid\_statistics.db"; |
=pod |
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
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"_$ENV{'user.domain'}_$cid\_graph.db"; |
=item get_students |
my $CachDisFac = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
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"_$ENV{'user.domain'}_$cid\_DiscFactor.db"; |
Returns a list of the selected students |
$r->print('<br><input type="submit" name="sort" value="Recalculate Statistics" />'); |
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=cut |
my $Ptr = ''; |
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####################################################### |
$Ptr .= '<br><b> Sorting Type: </b>'."\n". |
####################################################### |
'<select name="order"> <option '.$OpSel1.' >Ascending</option>'."\n". |
sub get_students { |
'<option '.$OpSel2.'>Descending</option> </select> '."\n"; |
if (! @Students) { |
$Ptr .= ' '; |
&PrepareClasslist() |
$Ptr .= '<input type="submit" name="sort" value="DoDiff Graph" />'."\n"; |
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$Ptr .= ' '; |
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$Ptr .= '<input type="submit" name="sort" value="%Wrong Graph" />'."\n"; |
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$Ptr .= '<pre>'. |
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' #Stdnts: Total Number of Students opened the problem.<br>'. |
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' Tries : Total Number of Tries for solving the problem.<br>'. |
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' Mod : Maximunm Number of Tries for solving the problem.<br>'. |
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' Mean : Average Number of the tries. [ Tries / #Stdns ]<br>'. |
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' #YES : Number of students solved the problem correctly.<br>'. |
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' #yes : Number of students solved the problem by override.<br>'. |
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' %Wrng : Percentage of students tried to solve the problem but'. |
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' still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]<br>'. |
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' S.D. : Standard Deviation of the tries.'. |
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'[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'. |
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' where Xi is every student\'s tries ]<br>'. |
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' Skew. : Skewness of the students tries.'. |
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' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]<br>'. |
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# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]<br>'. |
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' DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]<br>'. |
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# ' Dis.F. : Discrimination Factor. [ Sum of Partial Credits Awarded / Total Number of Tries in %27 upper and lower students]</b>'. |
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'</pre>'; |
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$r->print($Ptr); |
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$r->rflush(); |
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my $Result = "\n".'<table border=2>'; |
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$Result .= '<tr><th>P#</th>'."\n"; |
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for ( my $nIdx=0; $nIdx < 12; $nIdx++ ) { |
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$Result .= '<th>'.'<input type="submit" name="sort" value="'. |
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$Header{$nIdx}.'" />'.'</th>'."\n"; |
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} |
} |
$Result .= "\n".'</tr>'."\n"; |
return @Students; |
$r->print( $Result ); |
} |
$r->rflush(); |
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####################################################### |
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####################################################### |
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=pod |
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=item ¤t_student() |
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Returns a pointer to a hash containing data about the currently |
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selected student. |
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=cut |
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####################################################### |
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####################################################### |
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sub current_student { |
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return $curr_student; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &previous_student() |
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Returns a pointer to a hash containing data about the student prior |
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in the list of students. Or something. |
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=cut |
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####################################################### |
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####################################################### |
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sub previous_student { |
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return $prev_student; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &next_student() |
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Returns a pointer to a hash containing data about the next student |
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to be viewed. |
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=cut |
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####################################################### |
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####################################################### |
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sub next_student { |
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return $next_student; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &clear_sequence_variables() |
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=cut |
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####################################################### |
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####################################################### |
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sub clear_sequence_variables { |
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undef($top_map); |
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undef(@Sequences); |
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undef(@Assessments); |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &SetSelectedMaps($elementname) |
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Sets the @SelectedMaps array from $ENV{'form.'.$elementname}; |
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|
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=cut |
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####################################################### |
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####################################################### |
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sub SetSelectedMaps { |
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my $elementname = shift; |
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if (exists($ENV{'form.'.$elementname})) { |
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if (ref($ENV{'form.'.$elementname})) { |
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@SelectedMaps = @{$ENV{'form.'.$elementname}}; |
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} else { |
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@SelectedMaps = ($ENV{'form.'.$elementname}); |
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} |
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} else { |
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@SelectedMaps = ('all'); |
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} |
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} |
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####################################################### |
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####################################################### |
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|
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=pod |
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|
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=item &Sequences_with_Assess() |
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Returns an array containing the subset of @Sequences which contain |
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assessments. |
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|
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=cut |
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|
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####################################################### |
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####################################################### |
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sub Sequences_with_Assess { |
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my @Sequences_to_Show; |
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foreach my $map_symb (@SelectedMaps) { |
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foreach my $sequence (@Sequences) { |
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next if ($sequence->{'symb'} ne $map_symb && $map_symb ne 'all'); |
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next if ($sequence->{'num_assess'} < 1); |
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push (@Sequences_to_Show,$sequence); |
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} |
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} |
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return @Sequences_to_Show; |
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} |
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|
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####################################################### |
|
####################################################### |
|
|
|
=pod |
|
|
if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) { |
=item &PrepareCourseData($r) |
if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) { |
|
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); |
=cut |
&Cache_Statistics(); |
|
} |
####################################################### |
else { |
####################################################### |
$r->print("Unable to tie hash to db file"); |
sub PrepareCourseData { |
} |
my ($r) = @_; |
} |
&clear_sequence_variables(); |
else { |
my ($top,$sequences,$assessments) = |
if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) { |
&Apache::loncoursedata::get_sequence_assessment_data(); |
tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_WRCREAT,0640); |
if (! defined($top) || ! ref($top)) { |
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); |
# There has been an error, better report it |
foreach (keys %DiscFac) {delete $CachData{$_};} |
&Apache::lonnet::logthis('top is undefined'); |
foreach (keys %CachData) {delete $CachData{$_};} |
return; |
$DiscFlag=0; |
} |
&Build_Statistics(); |
$top_map = $top if (ref($top)); |
} |
@Sequences = @{$sequences} if (ref($sequences) eq 'ARRAY'); |
else { |
@Assessments = @{$assessments} if (ref($assessments) eq 'ARRAY'); |
$r->print("Unable to tie hash to db file"); |
# |
} |
# Compute column widths |
} |
foreach my $seq (@Sequences) { |
#$r->print('Total instances of the problems : '.($p_count*($#students+1))); |
my $name_length = length($seq->{'title'}); |
|
my $num_parts = $seq->{'num_assess_parts'}; |
untie(%CachData); |
# |
untie(%GraphDat); |
# Use 3 digits for each the sum and total, which means 7 total... |
untie(%DiscFac); |
my $num_col = $num_parts+7; |
|
if ($num_col < $name_length) { |
$r->print("\n".'</table>'."\n"); |
$num_col = $name_length; |
$r->rflush(); |
} |
} |
$seq->{'base_width'} = $name_length; |
|
$seq->{'width'} = $num_col; |
|
} |
# ------------------------------------- Find the section of student in a course |
return; |
|
} |
sub usection { |
|
my ($udom,$unam,$courseid)=@_; |
####################################################### |
$courseid=~s/\_/\//g; |
####################################################### |
$courseid=~s/^(\w)/\/$1/; |
|
map { |
=pod |
my ($key,$value)=split(/\=/,$_); |
|
$key=&Apache::lonnet::unescape($key); |
=item &log_sequence($sequence,$recursive,$padding) |
if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { |
|
my $section=$1; |
Write data about the sequence to a logfile. If $recursive is not |
if ($key eq $courseid.'_st') { $section=''; } |
undef the data is written recursively. $padding is used for recursive |
my ($dummy,$end,$start)=split(/\_/,&Apache::lonnet::unescape($value)); |
calls. |
$section=($section) ? $section : '(none)'; |
|
# $section=(int($section)) ? int($section) : $section; |
=cut |
# $r->print($unam.'...'.$section.'<br>'); |
|
return $section; |
####################################################### |
} |
####################################################### |
} split(/\&/,&Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles', |
sub log_sequence { |
&Apache::lonnet::homeserver($unam,$udom))); |
my ($seq,$recursive,$padding) = @_; |
return ''; |
$padding = '' if (! defined($padding)); |
} |
if (ref($seq) ne 'HASH') { |
|
&Apache::lonnet::logthis('log_sequence passed bad sequnce'); |
|
return; |
# ------ Dump the Student's DB file and handling the data for statistics table |
} |
|
&Apache::lonnet::logthis($padding.'sequence '.$seq->{'title'}); |
sub ExtractStudentData { |
while (my($key,$value) = each(%$seq)) { |
my ($student,$coid)=@_; |
next if ($key eq 'contents'); |
my ($sname,$sdom) = split( /\:/, $student ); |
if (ref($value) eq 'ARRAY') { |
my $shome=&Apache::lonnet::homeserver( $sname,$sdom ); |
for (my $i=0;$i< scalar(@$value);$i++) { |
my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome ); |
&Apache::lonnet::logthis($padding.$key.'['.$i.']='. |
my %result = (); |
$value->[$i]); |
my $ResId; |
|
my $Dis = ''; |
|
my $Code; |
|
my $Tries; |
|
my $ParCr; |
|
my $TotalTries = 0; |
|
my $TotalOpend = 0; |
|
my $ProbSolved = 0; |
|
my $ProbTot = 0; |
|
my $TimeTot = 0; |
|
my $TotParCr = 0; |
|
my $Wrongs; |
|
my %TempHash; |
|
my $Version; |
|
my $LatestVersion; |
|
my $SecLimit; |
|
my $MapLimit; |
|
unless ($reply=~/^error\:/) { |
|
map { |
|
my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); |
|
$result{$name}=$value; |
|
#$r->print($name.'='.$value.'<br>'); |
|
} split(/\&/,$reply); |
|
foreach $ResId (@cols) { |
|
if ( !$ResId ) { next; } |
|
$ResId=~/(\d+)\.(\d+)/; |
|
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
|
if ( $CurMap ne 'All Maps' ) { |
|
my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); |
|
if ( $Map ne $ResMap ) { next; } |
|
} |
|
my $meta=$hash{'src_'.$ResId}; |
|
my $PartNo = 0; |
|
$Dis .= ':'; |
|
undef %TempHash; |
|
map { |
|
if ($_=~/^stores\_(\d+)\_tries$/) { |
|
my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); |
|
if ( $TempHash{"$Part"} eq '' ) { |
|
$TempHash{"$Part"} = $Part; |
|
$TempHash{$PartNo}=$Part; |
|
$TempHash{"$Part.Code"} = 'U'; |
|
$PartNo++; |
|
} |
|
} |
|
} split(/\,/,&Apache::lonnet::metadata($meta,'keys')); |
|
|
|
my $Prob = $Map.'___'.$2.'___'. |
|
&Apache::lonnet::declutter( $hash{'src_'.$ResId} ); |
|
$Code='U'; |
|
$Tries = 0; |
|
$ParCr = 0; |
|
$Wrongs = 0; |
|
$LatestVersion = $result{"version:$Prob"}; |
|
|
|
if ( $LatestVersion ) { |
|
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { |
|
my $vkeys = $result{"$Version:keys:$Prob"}; |
|
my @keys = split(/\:/,$vkeys); |
|
|
|
foreach my $Key (@keys) { |
|
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { |
|
my $Part = $1; |
|
$Tries = $result{"$Version:$Prob:resource.$Part.tries"}; |
|
$ParCr = $result{"$Version:$Prob:resource.$Part.awarded"}; |
|
my $Time = $result{"$Version:$Prob:timestamp"}; |
|
$TempHash{"$Part.Time"} = ($Time) ? $Time : 0; |
|
$TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0; |
|
$TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0; |
|
$TotalTries += $TempHash{"$Part.Tries"}; |
|
$TotParCr += $TempHash{"$Part.ParCr"}; |
|
#$r->print($Version.'---'.$Prob.'==='.$Time.'<br>'); |
|
my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; |
|
if ( $Val eq 'correct_by_student' ) |
|
{ $Wrongs = $Tries - 1; $Code = 'C'; } |
|
elsif ( $Val eq 'correct_by_override' ) |
|
{ $Wrongs = $Tries - 1; $Code = 'O'; } |
|
elsif ( $Val eq 'incorrect_attempted' || |
|
$Val eq 'incorrect_by_override' ) |
|
{ $Wrongs = $Tries; $Code = 'I'; } |
|
$TempHash{"$Part.Code"} = $Code; |
|
$TempHash{"$Part.Wrongs"} = $Wrongs; |
|
} |
|
} |
|
} |
|
for ( my $n = 0; $n < $PartNo; $n++ ) { |
|
my $part = $TempHash{$n}; |
|
my $Yes = 0; |
|
if ( $TempHash{$part.'.Code'} eq 'C' || |
|
$TempHash{$part.'.Code'} eq 'O' ) |
|
{$ProbSolved++;$Yes=1;} |
|
my $ptr = "$hash{'title_'.$ResId}"; |
|
if ( $PartNo > 1 ) { |
|
$ptr .= " (part $part)"; |
|
$Dis .= ':'; |
|
} |
|
my $Fac = ($TempHash{"$part.Tries"}) ? |
|
($TempHash{"$part.ParCr"}/$TempHash{"$part.Tries"}) : 0; |
|
my $DisF; |
|
if ( $Fac > 0 && $Fac < 1 ) { |
|
$DisF = sprintf( "%.4f", $Fac ); |
|
} |
|
else {$DisF = $Fac;} |
|
# $DisF .= '+'.$TempHash{"$part.Time"}; |
|
$TimeTot += $TempHash{"$part.Time"}; |
|
$Dis .= $ptr.'*'.$ResId.'='.$DisF.'+'.$Yes; |
|
$ptr .= "*$ResId:$TempHash{$part.'.Tries'}". |
|
":$TempHash{$part.'.Wrongs'}". |
|
":$TempHash{$part.'.Code'}"; |
|
#$r->print($sname.' -- '.$ptr.'--- timestamp='.$TempHash{"$part.Time"}.'<br>'); |
|
push (@list, $ptr); |
|
$TotalOpend++; |
|
$ProbTot++; |
|
} |
|
} |
} |
else { |
} else { |
for(my $n=0; $n<$PartNo; $n++) { |
&Apache::lonnet::logthis($padding.$key.'='.$value); |
push (@list, "$hash{'title_'.$ResId}*$ResId:0:0:U"); |
} |
$ProbTot++; |
} |
} |
if (defined($recursive)) { |
} |
&Apache::lonnet::logthis($padding.'-'x20); |
} |
&Apache::lonnet::logthis($padding.'contains:'); |
if ( $TotalTries ) { |
foreach my $item (@{$seq->{'contents'}}) { |
my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0; |
if ($item->{'type'} eq 'container') { |
# my $DisFactor = int(sprintf( "%.4f", $DisFac ) * 100); |
&log_sequence($item,$recursive,$padding.' '); |
my $DisFactor = sprintf( "%.4f", $DisFac ); |
} else { |
my $time; |
&Apache::lonnet::logthis($padding.'title = '.$item->{'title'}); |
if ($ProbSolved){ |
while (my($key,$value) = each(%$item)) { |
$time = int(($TimeTot/$ProbSolved)/10000000); |
next if ($key eq 'title'); |
} |
if (ref($value) eq 'ARRAY') { |
$DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'. |
for (my $i=0;$i< scalar(@$value);$i++) { |
$TotalTries.':'.$ProbSolved.':'.$time)}=$Dis; |
&Apache::lonnet::logthis($padding.$key.'['.$i.']='. |
#$r->print($DisFactor.$sname.'<br> --- Dis= '.$Dis.'<br>'); |
$value->[$i]); |
} |
} |
} |
} else { |
#$r->print($sname.' PrCr= '.$TotParCr.' Slvd= '.$ProbSolved.' Tries='.$TotalTries.'<br>'); |
&Apache::lonnet::logthis($padding.$key.'='.$value); |
} |
} |
|
} |
|
} |
# ------------------------------------------------------------ Build page table |
} |
sub tracetable { |
&Apache::lonnet::logthis($padding.'end contents of '.$seq->{'title'}); |
my ($rid,$beenhere)=@_; |
&Apache::lonnet::logthis($padding.'-'x20); |
$rid=~/(\d+)\.(\d+)/; |
} |
$maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid}; |
return; |
unless ($beenhere=~/\&$rid\&/) { |
} |
$beenhere.=$rid.'&'; |
|
if (defined($hash{'is_map_'.$rid})) { |
|
my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}; |
|
if ( $cmap eq 'sequence' || $cmap eq 'page' ) { |
|
$cols[$#cols+1]=0; |
|
$HWN++; |
|
$mapsort[$HWN]=$rid.$hash{'title_'.$rid}; |
|
#$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}= |
|
# $hash{'title_'.$rid}; |
|
} |
|
if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) && |
|
(defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) { |
|
my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; |
|
|
|
&tracetable($hash{'map_start_'.$hash{'src_'.$rid}}, |
|
'&'.$frid.'&'); |
|
|
|
if ($hash{'src_'.$frid}) { |
|
if ($hash{'src_'.$frid}=~ |
|
/\.(problem|exam|quiz|assess|survey|form)$/) { |
|
$cols[$#cols+1]=$frid; |
|
$mapsort[$HWN] .= '&'.$frid; |
|
} |
|
} |
|
} |
|
} else { |
|
if ($hash{'src_'.$rid}) { |
|
if ($hash{'src_'.$rid}=~ |
|
/\.(problem|exam|quiz|assess|survey|form)$/) { |
|
$cols[$#cols+1]=$rid; |
|
$mapsort[$HWN] .= '&'.$rid; |
|
} |
|
} |
|
} |
|
if (defined($hash{'to_'.$rid})) { |
|
map { |
|
&tracetable($hash{'goesto_'.$_},$beenhere); |
|
} split(/\,/,$hash{'to_'.$rid}); |
|
} |
|
} |
|
} |
|
|
|
sub MySort { |
|
if ( $Pos > 0 && $Pos < 11 ) { |
|
if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;} |
|
else { $a <=> $b; } |
|
} |
|
else { |
|
if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;} |
|
else { $a cmp $b; } |
|
} |
|
} |
|
|
|
sub Build_Statistics { |
|
$r->print(<<ENDPOP); |
|
<script> |
|
popwin=open('','popwin','width=400,height=100'); |
|
popwin.document.writeln('<html><body bgcolor="#8cee8c">'+ |
|
'<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 |
|
|
|
$r->rflush(); |
############################################## |
# ---------------------------- Gathering the Data of students' tries |
############################################## |
my $index; |
|
for ($index=0;$index<=$#students;$index++) { |
|
#----------- update progress |
|
$r->print('<script>popwin.document.popremain.remaining.value="'. |
|
'Computing '.($index+1).'/'.($#students+1).': '. |
|
$students[$index].'";</script>'); |
|
$r->rflush(); |
|
|
|
&ExtractStudentData($students[$index],$cid); |
=pod |
|
|
|
=item &StudentDataSelect($elementname,$status,$numvisible,$selected) |
|
|
|
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) |
|
|
|
=over 4 |
|
|
|
=item $elementname The name of the HTML form element |
|
|
|
=item $status 'multiple' or 'single' selection box |
|
|
|
=item $numvisible The number of options to be visible |
|
|
|
=back |
|
|
|
=cut |
|
|
|
############################################## |
|
############################################## |
|
sub StudentDataSelect { |
|
my ($elementname,$status,$numvisible)=@_; |
|
if ($numvisible < 1) { |
|
return; |
} |
} |
#--------------------- close Progress Line |
# |
$r->print('<script>popwin.close()</script>'); |
# Build the form element |
$r->rflush(); |
my $Str = "\n"; |
# -------------------- sorting the Data |
$Str .= '<select name="'.$elementname.'" '; |
@list = sort(@list); |
if ($status ne 'single') { |
$OpSel2=''; |
$Str .= 'multiple="true" '; |
$OpSel1='selected'; |
} |
|
$Str .= 'size="'.$numvisible.'" >'."\n"; |
$p_count = 0; |
# |
my $nIdx = 0; |
# Deal with 'all' |
my $dummy; |
$Str .= ' <option value="all" '; |
my $p_val; |
foreach (@SelectedStudentData) { |
my $ResId; |
if ($_ eq 'all') { |
my $NoElements = $#list + 1; |
$Str .= 'selected '; |
#-------------------------------- loop for data representation |
last; |
while ( $nIdx < $NoElements ) { |
} |
my %storestats=(); |
} |
my ($Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); |
$Str .= ">all</option>\n"; |
my $Temp = $Prob; |
# |
my $MxTries = 0; |
# Loop through the student data fields |
my $TotalTries = 0; |
foreach my $item (@StudentDataOrder) { |
my $YES = 0; |
$Str .= ' <option value="'.$item.'" '; |
my $Incorrect = 0; |
foreach (@SelectedStudentData) { |
my $Override = 0; |
if ($item eq $_ ) { |
my $StdNo = 0; |
$Str .= 'selected '; |
my @StdLst; |
last; |
do { |
} |
$nIdx++; |
} |
$StdNo++; |
$Str .= '>'.$item."</option>\n"; |
$StdLst[ $StdNo ] = $Tries; |
} |
$TotalTries += $Tries; |
$Str .= "</select>\n"; |
if ( $MxTries < $Tries ) { $MxTries = $Tries; } |
return $Str; |
if ( $Code eq 'C' ){ $YES++; } |
} |
elsif( $Code eq 'I' ) { $Incorrect++; } |
|
elsif( $Code eq 'O' ) { $Override++; } |
############################################## |
elsif( $Code eq 'U' ) { $StdNo--; } |
############################################## |
($Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); |
|
} while ( $Prob eq $Temp && $nIdx < $NoElements ); |
=pod |
|
|
$p_count++; |
=item &MapSelect($elementname,$status,$numvisible,$restriction) |
|
|
($Temp,$ResId)=split(/\*/,$Temp); |
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. |
$Temp = '<a href="'.$hash{'src_'.$ResId}.'" target="_blank">'.$Temp.'</a>'; |
If the top sequence is selected, the value 'top' will result. |
|
|
my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId}); |
=over 4 |
my $urlres=$res; |
|
|
=item $elementname The name of the HTML form element |
$ResId=~/(\d+)\.(\d+)/; |
|
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
=item $status 'multiple' or 'single' selection box |
$urlres=$Map; |
|
|
=item $numvisible The number of options to be visible |
|
|
$res = '<a href="'.$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; |
|
} |
|
#----------------- 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 ); |
|
|
|
$CachData{($p_count-1)}=$Temp.':'.$StdNo.':'.$TotalTries.':'. |
|
$MxTries.':'.$Avg.':'.$YES.':'. |
|
$Override.':'.$Wrng.':'.$SD.':'. |
|
$Sk.':'.$DoD.':'.$Map.':'.$Prob; |
|
|
|
$urlres=~/^(\w+)\/(\w+)/; |
|
if ($StdNo) { |
|
&Apache::lonnet::put('resevaldata',\%storestats,$1,$2); |
|
} |
|
|
|
#-------------------------------- Row of statistical table |
|
if ( $DiscFlag == 0 ) { |
|
$r->print( "\n".'<tr>'. |
|
"\n".'<td>'.$p_count.'</td>'. |
|
"\n".'<td>'.$Temp.'</td>'. |
|
"\n".'<td>'.$StdNo.'</td>'. |
|
"\n".'<td>'.$TotalTries.'</td>'. |
|
"\n".'<td>'.$MxTries.'</td>'. |
|
"\n".'<td>'.$Avg.'</td>'. |
|
"\n".'<td>'.$YES.'</td>'. |
|
"\n".'<td>'.$Override.'</td>'. |
|
"\n".'<td>'.$Wrng.'</td>'. |
|
"\n".'<td>'.$SD.'</td>'. |
|
"\n".'<td>'.$Sk.'</td>'. |
|
"\n".'<td>'.$DoD.'</td>'. |
|
"\n".'<td>'.$Map.'</td>'. |
|
"\n".'</tr>' ); |
|
$GraphDat{$nIdx}=$DoD.':'.$Wrng; |
|
} |
|
} |
|
} |
|
|
|
|
|
sub Cache_Statistics { |
|
my @list = (); |
|
my $Useful; |
|
my $UnUseful; |
|
my %myHeader = reverse( %Header ); |
|
$Pos = $myHeader{$ENV{'form.sort'}}; |
|
$p_count = 0; |
|
|
|
foreach my $key( keys %CachData) { |
|
my @Temp=split(/\:/,$CachData{$key}); |
|
if ( $Pos == 0 || $Pos == 11 ) { |
|
($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]); |
|
} |
|
else { |
|
$Useful = $Temp[$Pos]; |
|
} |
|
$list[$p_count]=$Useful.'&'.$CachData{$key}; |
|
$p_count++; |
|
} |
|
|
|
@list = sort MySort (@list); |
|
|
|
for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) { |
|
my( $Pre, $Post ) = split(/\&/,$list[$nIdx]); |
|
my ($Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES, |
|
$Override,$Wrng,$SD,$Sk,$DoD,$res,$Prob)=split(/\:/,$Post); |
|
$r->print( "\n".'<tr>'. |
|
"\n".'<td>'.($nIdx+1).'</td>'. |
|
"\n".'<td bgcolor="#FFFFFF">'.$Temp.'</td>'. |
|
"\n".'<td>'.$StdNo.'</td>'. |
|
"\n".'<td>'.$TotalTries.'</td>'. |
|
"\n".'<td>'.$MxTries.'</td>'. |
|
"\n".'<td>'.$Avg.'</td>'. |
|
"\n".'<td>'.$YES.'</td>'. |
|
"\n".'<td>'.$Override.'</td>'. |
|
"\n".'<td>'.$Wrng.'</td>'. |
|
"\n".'<td>'.$SD.'</td>'. |
|
"\n".'<td>'.$Sk.'</td>'. |
|
"\n".'<td>'.$DoD.'</td>'. |
|
"\n".'<td>'.$res.'</td>'. |
|
"\n".'</tr>' ); |
|
$GraphDat{$nIdx}=$DoD.':'.$Wrng; |
|
} |
|
} |
|
|
|
# ------------------------------------------- Prepare data for Graphical chart |
|
|
|
sub GetGraphData { |
|
my $Tag = 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 ( $Tag eq 'DoDiff Graph' ) { |
|
$Tag = 'Degree-of-Difficulty'; |
|
$Col = 0; |
|
} |
|
else { |
|
$Tag = '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++; |
|
} |
|
untie(%GraphDat); |
|
my $Course = $ENV{'course.'.$cid.'.description'}; |
|
$Course =~ s/\ /"_"/eg; |
|
$GData=$Course.'&'.$Tag.'&'.$Max.'&'.$count.'&'.$data; |
|
|
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
|
} |
|
|
|
|
|
sub initial { |
|
# --------------------------------- Initialize the global varaibles |
|
undef @students; |
|
undef @cols; |
|
undef %maps; |
|
undef %section; |
|
undef %StuBox; |
|
undef @list; |
|
undef %CachData; |
|
undef %GraphDat; |
|
undef %DiscFac; |
|
undef $CurMap; |
|
undef $CurSec; |
|
undef $CurStu; |
|
undef $p_count; |
|
undef $Pos; |
|
undef $GData; |
|
} |
|
|
|
|
|
sub ClassList { |
|
|
|
&GetStatus(); |
|
|
|
$cid=$ENV{'request.course.id'}; |
|
my $chome=$ENV{'course.'.$cid.'.home'}; |
|
my ($cdom,$cnum)=split(/\_/,$cid); |
|
# ----------------------- Get first and last resource, see if there is anything |
|
$firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}}; |
|
$lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}}; |
|
if (($firstres) && ($lastres)) { |
|
# ----------------------------------------------------------------- Render page |
|
my $classlst=&Apache::lonnet::reply |
|
('dump:'.$cdom.':'.$cnum.':classlist',$chome); |
|
my $StudNo = 0; |
|
unless ($classlst=~/^error\:/) { |
|
foreach (sort split(/\&/,$classlst)) { |
|
my ($name,$value)=split(/\=/,$_); |
|
my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value)); |
|
$name=&Apache::lonnet::unescape($name); |
|
my ($sname,$sdom)=split(/\:/,$name); |
|
my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid); |
|
if ($ssec==-1) {next;} |
|
$ssec=($ssec) ? $ssec : '(none)'; |
|
#$ssec=(int($ssec)) ? int($ssec) : $ssec; |
|
#$r->print($sname.'...'.$ssec.'<br>'); |
|
$section{$ssec}=$ssec; |
|
if ($CurSec eq 'All Sections' || $ssec eq $CurSec) { |
|
$students[$StudNo]=$name; |
|
$StuBox{$sname}=$ssec; |
|
} |
|
$StudNo++; |
|
} |
|
} |
|
else { |
|
$r->print('<h1>Could not access course data</h1>'); |
|
} |
|
$r->print("Total number of students : ".($#students+1)); |
|
$r->rflush(); |
|
# --------------- Find all assessments and put them into some linear-like order |
|
&tracetable($firstres,'&'.$lastres.'&'); |
|
|
|
#my $c=0; |
=item $restriction Code reference to subroutine which returns true or |
#foreach(@mapsort) { |
false. The code must expect a reference to a sequence data structure. |
# $c++; |
|
# $r->print('<br>'.$mapsort[$c]); |
=back |
#} |
|
#$r->print('<br> Count = '.$c); |
=cut |
|
|
} |
############################################## |
|
############################################## |
# ------------------------------------------------------------- End render page |
sub MapSelect { |
else { |
my ($elementname,$status,$numvisible,$restriction)=@_; |
$r->print('<h3>Undefined course sequence</h3>'); |
if ($numvisible < 1) { |
} |
return; |
&MapSecOptions(); |
} |
} |
# |
|
# Set up array of selected items |
|
&SetSelectedMaps($elementname); |
sub Menu { |
# |
my $InpStr = $ENV{'form.sort'}; |
# Set up the restriction call |
if ( $InpStr eq 'DoDiff Graph' || $InpStr eq '%Wrong Graph' ) { |
if (! defined($restriction)) { |
&GetGraphData($InpStr); |
$restriction = sub { 1; }; |
$r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />'); |
|
} |
|
else { |
|
$r->print('<html><head><title>LON-CAPA Statistics</title></head>'); |
|
|
|
|
|
$r->print('<body bgcolor="#FFFFFF">'. |
|
'<script>window.focus(); window.width=500;window.height=500; </script>'. |
|
'<img align=right src=/adm/lonIcons/lonlogos.gif>'); |
|
# ---------------------------------------------------------------- Course title |
|
$r->print('<h1> Course : "'. |
|
$ENV{'course.'.$ENV{'request.course.id'}. |
|
'.description'}.'"</h1><h2>'.localtime().'</h2>'); |
|
# ------------------------------- This is going to take a while, produce output |
|
$r->rflush(); |
|
|
|
$r->print("\n".'<form name=stat method=post action="/adm/statistics" >'); |
|
|
|
my $content = $ENV{'form.sort'}; |
|
if ($content eq '' || $content eq 'Return to Menu') { |
|
my $Ptr = '<h3>'; |
|
$Ptr .= '<input type=submit name=sort value="Problem Evaluation"/>';#General Statistics"/>'; |
|
$Ptr .= '<br><br>'; |
|
$Ptr .= '<input type=submit name=sort value="Student Assessment"/>'; |
|
$Ptr .= '<br><br>'; |
|
# $Ptr .= '<input type=submit name=sort value=Discrimination>';#"Problem Evaluation"/>'; |
|
$Ptr .= '</h3>'; |
|
$r->print( $Ptr ); |
|
} |
|
else { |
|
&initial(); |
|
&ClassList(); |
|
if ( $content eq 'Discrimination' || #'Problem Evaluation' || |
|
$content eq 'Recalculate Discrimintion Factor' ) { |
|
&CreateDiscFac(); |
|
} |
|
elsif ( $content eq 'Student Assessment' || |
|
$content eq 'Create Student Report' ) { |
|
&StudentOptions(); |
|
&StudentReport($CurStu,$StuBox{"$CurStu"}); |
|
} |
|
else { |
|
&PreStatTable(); |
|
} |
|
} |
|
$r->print("\n".'</form>'. |
|
"\n".'</body>'. |
|
"\n".'</html>'); |
|
$r->rflush(); |
|
} |
|
} |
|
|
|
sub StudentOptions { |
|
my $OpSel5=''; |
|
$CurStu = $ENV{'form.student'}; |
|
if ( $CurStu eq '' ) { |
|
$CurStu = 'All Students'; |
|
$OpSel5 = 'selected'; |
|
} |
|
my $Ptr =''; |
|
# ----------------------------------- Loading the Students Combobox |
|
$Ptr .= '<br><b>Select Student</b>'."\n". |
|
'<select name="student">'."\n". |
|
'<option '.$OpSel5.'>All Students</option>'; |
|
foreach my $key ( sort keys %StuBox ) { |
|
$Ptr .= '<option'; |
|
if ($CurStu eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>\n"; |
|
} |
|
$Ptr .= '</select>'; |
|
$Ptr .= '<br><input type="submit" name="sort" value="Create Student Report" />'; |
|
$r->print( $Ptr ); |
|
$r->rflush(); |
|
} |
|
|
|
sub GetStatus { |
|
|
|
$OpSelDis1=''; |
|
$OpSelDis2=''; |
|
$OpSel1=''; |
|
$OpSel2=''; |
|
$OpSel3=''; |
|
$OpSel4=''; |
|
|
|
# if ( $ENV{'form.DisType'} eq 'Total Number of Correct Answers' ) { |
|
# $OpSelDis1='selected'; |
|
# $CurDis=0; |
|
# } |
|
# else { $OpSel2 = 'selected'; $CurDis = 1;} |
|
|
|
if ( $ENV{'form.order'} eq 'Descending' ) { $OpSel2='selected'; } |
|
else { $OpSel1 = 'selected'; } |
|
$CurMap = $ENV{'form.maps'}; |
|
if ( $CurMap eq '' ) { |
|
$CurMap = 'All Maps'; |
|
$OpSel3 = 'selected'; |
|
} |
|
$CurSec = $ENV{'form.section'}; |
|
if ( $CurSec eq '' ) { |
|
$CurSec = 'All Sections'; |
|
$OpSel4 = 'selected'; |
|
} |
|
} |
|
|
|
|
|
sub MapSecOptions { |
|
# ----------------------------------- Loading the Maps Combobox |
|
my $Ptr = '<br>'; |
|
$Ptr .= '<br><input type="submit" name="sort" value="Return to Menu" />'; |
|
$Ptr .= '<br><b> Select Map </b>'."\n". |
|
'<select name="maps">'."\n". |
|
'<option '.$OpSel3.'>All Maps</option>'; |
|
foreach my $key ( sort keys %maps ) { |
|
$Ptr .= '<option'; |
|
if ($CurMap eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>\n"; |
|
} |
|
$Ptr .= '</select>'; |
|
$Ptr .= ' '; |
|
|
|
# ----------------------------------- Loading the Sections Combobox |
|
$Ptr .= '<br><b>Select Section</b>'."\n". |
|
'<select name="section">'."\n". |
|
'<option '.$OpSel4.'>All Sections</option>'; |
|
foreach my $key ( sort keys %section ) { |
|
$Ptr .= '<option'; |
|
if ($CurSec eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>"."\n"; |
|
} |
} |
$Ptr .= '</select>'."\n"; |
# |
|
# 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; |
|
} |
|
} |
|
# |
|
# Put in option for 'all' |
|
$Str .= ' <option value="all" '; |
|
foreach (@SelectedMaps) { |
|
if ($_ eq 'all') { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$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"; |
|
} |
|
$Str .= "</select>\n"; |
|
return $Str; |
|
} |
|
|
|
############################################## |
|
############################################## |
|
|
|
=pod |
|
|
|
=item &SectionSelect($elementname,$status,$numvisible) |
|
|
$r->print( $Ptr ); |
Returns html for a selection box allowing the user to choose one (or more) |
|
of the sections in the course. |
|
|
|
Uses the package variables @Sections and @SelectedSections |
|
=over 4 |
|
|
|
=item $elementname The name of the HTML form element |
|
|
|
=item $status 'multiple' or 'single' selection box |
|
|
|
=item $numvisible The number of options to be visible |
|
|
|
=back |
|
|
|
=cut |
|
|
|
############################################## |
|
############################################## |
|
sub SectionSelect { |
|
my ($elementname,$status,$numvisible)=@_; |
|
if ($numvisible < 1) { |
|
return; |
|
} |
|
# |
|
# Make sure we have the data we need to continue |
|
if (! @Sections) { |
|
&PrepareClasslist() |
|
} |
|
# |
|
# 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; |
|
} |
|
} |
|
$Str .= '>'.$s."</option>\n"; |
|
} |
|
$Str .= "</select>\n"; |
|
return $Str; |
|
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
|
=pod |
|
|
|
=item &CreateAndParseOutputSelector() |
|
|
|
Construct a selection list of options for output and parse output selections. |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
sub OutputDescriptions { |
|
my (@OutputOptions) = @_; |
|
my $Str = ''; |
|
$Str .= "<h2>Output Modes</h2>\n"; |
|
$Str .= "<dl>\n"; |
|
foreach my $outputmode (@OutputOptions) { |
|
$Str .=" <dt>".$outputmode->{'name'}."</dt>\n"; |
|
$Str .=" <dd>".$outputmode->{'description'}."</dd>\n"; |
|
} |
|
$Str .= "</dl>\n"; |
|
return $Str; |
|
} |
|
|
|
sub CreateAndParseOutputSelector { |
|
my ($elementname,$default,@OutputOptions) = @_; |
|
my $output_mode; |
|
my $show; |
|
my $Str = ''; |
|
# |
|
# Format for output options is 'mode, restrictions'; |
|
my $selected = $default; |
|
if (exists($ENV{'form.'.$elementname})) { |
|
if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) { |
|
$selected = $ENV{'form.'.$elementname}->[0]; |
|
} else { |
|
$selected = $ENV{'form.'.$elementname}; |
|
} |
|
} |
|
# |
|
# Set package variables describing output mode |
|
$output_mode = 'html'; |
|
$show = 'all'; |
|
foreach my $option (@OutputOptions) { |
|
next if ($option->{'value'} ne $selected); |
|
$output_mode = $option->{'mode'}; |
|
$show = $option->{'show'}; |
|
} |
|
# |
|
# Build the form element |
|
$Str = qq/<select size="5" name="$elementname">/; |
|
foreach my $option (@OutputOptions) { |
|
if (exists($option->{'special'}) && |
|
$option->{'special'} =~ /do not show/) { |
|
next; |
|
} |
|
$Str .= "\n".' <option value="'.$option->{'value'}.'"'; |
|
$Str .= " selected " if ($option->{'value'} eq $selected); |
|
$Str .= ">".&mt($option->{'name'})."<\/option>"; |
|
} |
|
$Str .= "\n</select>"; |
|
return ($Str,$output_mode,$show); |
|
} |
|
|
|
############################################### |
|
############################################### |
|
|
|
=pod |
|
|
|
=item &Gather_Student_Data() |
|
|
|
Ensures all student data is up to date. |
|
|
|
=cut |
|
|
|
############################################### |
|
############################################### |
|
sub Gather_Student_Data { |
|
my ($r) = @_; |
|
my $c = $r->connection(); |
|
# |
|
&Apache::loncoursedata::clear_internal_caches(); |
|
# |
|
my @Sequences = &Apache::lonstatistics::Sequences_with_Assess(); |
|
# |
|
my @Students = @Apache::lonstatistics::Students; |
|
# |
|
# Open the progress window |
|
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
|
($r,'Statistics Compilation Status', |
|
'Statistics Compilation Progress', scalar(@Students)); |
|
# |
|
while (my $student = shift @Students) { |
|
return if ($c->aborted()); |
|
my ($status,undef) = &Apache::loncoursedata::ensure_current_data |
|
($student->{'username'},$student->{'domain'}, |
|
$ENV{'request.course.id'}); |
|
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
|
&mt('last student')); |
|
} |
|
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
$r->rflush(); |
$r->rflush(); |
} |
} |
|
|
|
############################################### |
|
############################################### |
|
|
# ================================================================ Main Handler |
=pod |
|
|
sub handler { |
=item &Gather_Full_Student_Data() |
$r=shift; |
|
|
Ensures all student data is up to date. |
|
|
if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { |
=cut |
# ------------------------------------------- Set document type for header only |
|
if ($r->header_only) { |
############################################### |
if ($ENV{'browser.mathml'}) { |
############################################### |
$r->content_type('text/xml'); |
sub Gather_Full_Student_Data { |
} |
my ($r) = @_; |
else { |
my $c = $r->connection(); |
$r->content_type('text/html'); |
# |
} |
&Apache::loncoursedata::clear_internal_caches(); |
$r->send_http_header; |
# |
return OK; |
my @Students = @Apache::lonstatistics::Students; |
} |
# |
my $requrl=$r->uri; |
# Open the progress window |
# ----------------------------------------------------------------- Tie db file |
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
|
($r,&mt('Student Data Compilation Status'), |
undef %hash; |
&mt('Student Data Compilation Progress'), scalar(@Students)); |
|
# |
if ($ENV{'request.course.fn'}) { |
while (my $student = shift @Students) { |
my $fn=$ENV{'request.course.fn'}; |
return if ($c->aborted()); |
if (-e "$fn.db") { |
my ($status,undef) = &Apache::loncoursedata::ensure_current_full_data |
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) { |
($student->{'username'},$student->{'domain'}, |
# ------------------------------------------------------------------- Hash tied |
$ENV{'request.course.id'}); |
$r->content_type('text/html'); |
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
$r->send_http_header; |
&mt('last student')); |
&Menu(); |
|
} |
|
else { |
|
$r->content_type('text/html'); |
|
$r->send_http_header; |
|
$r->print('<html><body>Coursemap undefined.</body></html>'); |
|
} |
|
# ------------------------------------------------------------------ Untie hash |
|
unless (untie(%hash)) { |
|
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
|
"Could not untie coursemap $fn (browse).</font>"); |
|
} |
|
|
|
# -------------------------------------------------------------------- All done |
|
return OK; |
|
# ----------------------------------------------- Errors, hash could no be tied |
|
} |
|
} |
|
else { |
|
$ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
} |
else { |
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
$ENV{'user.error.msg'}= |
$r->rflush(); |
$r->uri.":vgr:0:0:Cannot view grades for complete course"; |
} |
|
|
return HTTP_NOT_ACCEPTABLE; |
################################################## |
|
################################################## |
|
sub DisplayClasslist { |
|
my ($r)=@_; |
|
# |
|
my @Fields = ('fullname','username','domain','id','section'); |
|
# |
|
my $Str=''; |
|
if (! @Students) { |
|
if ($SelectedSections[0] eq 'all') { |
|
if (lc($ENV{'form.Status'}) eq 'any') { |
|
$Str .= '<h2>There are no students in the course.</h2>'; |
|
} elsif (lc($ENV{'form.Status'}) eq 'active') { |
|
$Str .= '<h2>There are no currently enrolled students in '. |
|
'the course.</h2>'; |
|
} elsif (lc($ENV{'form.Status'}) eq 'expired') { |
|
$Str .= '<h2>There are no previously enrolled '. |
|
'students in the course.</h2>'; |
|
} |
|
} else { |
|
my $sections; |
|
if (@SelectedSections == 1) { |
|
$sections = 'section '.$SelectedSections[0]; |
|
} elsif (@SelectedSections > 2) { |
|
$sections = 'sections '.join(', ',@SelectedSections); |
|
$sections =~ s/, ([^,])*$/, and $1/; |
|
} else { |
|
$sections = 'sections '.join(' and ',@SelectedSections); |
|
} |
|
if (lc($ENV{'form.Status'}) eq 'any') { |
|
$Str .= '<h2>There are no students in '.$sections.'.</h2>'; |
|
} elsif (lc($ENV{'form.Status'}) eq 'active') { |
|
$Str .= '<h2>There are no currently enrolled students '. |
|
'in '.$sections.'.</h2>'; |
|
} elsif (lc($ENV{'form.Status'}) eq 'expired') { |
|
$Str .= '<h2>There are no previously enrolled students '. |
|
'in '.$sections.'.</h2>'; |
|
} |
|
} |
|
$Str.= '<a href="/adm/statistics?reportSelected=student_assessment">'. |
|
'Return to the chart.</a>'; |
|
$r->print($Str); |
|
$r->rflush(); |
|
return; |
|
} |
|
|
|
# "Click" is asinine but it is probably not my place to change the world. |
|
$Str .= '<h2>Click on a students name or username to view their chart</h2>'; |
|
$Str .= '<table border="0"><tr><td bgcolor="#777777">'."\n"; |
|
$Str .= '<table border="0" cellpadding="3"><tr bgcolor="#e6ffff">'."\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 my $student (@Students) { # @Students is a package variable |
|
my $sname = $student->{'username'}.':'.$student->{'domain'}; |
|
if($alternate) { |
|
$Str .= '<tr bgcolor="#ffffe6">'; |
|
} else { |
|
$Str .= '<tr bgcolor="#ffffc6">'; |
|
} |
|
$alternate = ($alternate + 1) % 2; |
|
# |
|
foreach my $field (@Fields) { |
|
$Str .= '<td>'; |
|
if ($field eq 'fullname' || $field eq 'username') { |
|
$Str .= '<a href="/adm/statistics?reportSelected='; |
|
$Str .= &Apache::lonnet::escape('student_assessment'); |
|
$Str .= '&sort='.&Apache::lonnet::escape($ENV{'form.sort'}); |
|
$Str .= '&SelectedStudent='; |
|
$Str .= &Apache::lonnet::escape($sname).'">'; |
|
$Str .= $student->{$field}.' '; |
|
$Str .= '</a>'; |
|
} else { |
|
$Str .= $student->{$field}; |
|
} |
|
$Str .= '</td>'; |
|
} |
|
$Str .= "</tr>\n"; |
|
} |
|
$Str .= '</table></td></tr></table>'."\n"; |
|
# |
|
$r->print($Str); |
|
$r->rflush(); |
|
# |
|
return; |
|
} |
|
|
|
############################################## |
|
############################################## |
|
sub CreateMainMenu { |
|
# |
|
# Define menu data |
|
my @reports = ({ internal_name => 'problem_statistics', |
|
name => &mt('Overall Problem Statistics'), |
|
short_description => |
|
&mt('Student performance statistics on all problems.'), |
|
}, |
|
{ internal_name => 'problem_analysis', |
|
name => &mt('Detailed Problem Analysis'), |
|
short_description => |
|
&mt('Detailed statistics and graphs of student performance on problems.'), |
|
}, |
|
{ internal_name => 'student_assessment', |
|
name => &mt('Problem Status Chart'), |
|
short_description => |
|
&mt('Brief view of each students performance in course.'), |
|
}, |
|
# 'percentage' => 'Correct-problems Plot', |
|
# 'activitylog' => 'Activity Log', |
|
); |
|
# |
|
# Create the menu |
|
my $Str; |
|
$Str .= '<h1>'.&mt('Please select a report to generate').'</h1>'; |
|
foreach my $reportdata (@reports) { |
|
$Str .=' <h3><a href="/adm/statistics?reportSelected='. |
|
$reportdata->{'internal_name'}.'" >'. |
|
$reportdata->{'name'}."</a></h3>\n"; |
|
$Str .= ' '.(' 'x8).$reportdata->{'short_description'}. |
|
"\n"; |
|
} |
|
$Str .="</dl>\n"; |
|
# |
|
return $Str; |
|
} |
|
|
|
############################################## |
|
############################################## |
|
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'}= |
|
$r->uri.":vgr:0:0:Cannot view grades with given role"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
# |
|
# Set document type for header only |
|
if($r->header_only) { |
|
if ($ENV{'browser.mathml'}) { |
|
$r->content_type('text/xml'); |
|
} else { |
|
$r->content_type('text/html'); |
|
} |
|
&Apache::loncommon::no_cache($r); |
|
$r->send_http_header; |
|
return OK; |
|
} |
|
# |
|
# Send the header |
|
$r->content_type('text/html'); |
|
$r->send_http_header; |
|
# |
|
# Extract form elements from query string |
|
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
|
['sort','reportSelected', |
|
'SelectedStudent']); |
|
# |
|
# Give the LON-CAPA page header |
|
$r->print(&Apache::lonhtmlcommon::Title('Course Statistics and Charts')); |
|
$r->rflush(); |
|
# |
|
# Either print out a menu for them or send them to a report |
|
if (! exists($ENV{'form.reportSelected'}) || |
|
$ENV{'form.reportSelected'} eq '') { |
|
$r->print(&CreateMainMenu()); |
|
} else { |
|
# |
|
if (! &Apache::lonmysql::verify_sql_connection()) { |
|
my $serveradmin = $r->dir_config('lonAdmEMail'); |
|
$r->print('<h2><font color="Red">'. |
|
&mt('Unable to connect to database!'). |
|
'</font></h2>'); |
|
$r->print('<p>'. |
|
&mt('Please notify the server administrator '). |
|
'<b>'.$serveradmin.'</b></p>'); |
|
$r->print('<p>'. |
|
&mt('Course Statistics and Charts cannot be '. |
|
'retrieved until the database is restarted. '. |
|
'Your data is intact but cannot be displayed '. |
|
'at this time.').'</p>'); |
|
$r->print('</body></html>'); |
|
return; |
|
} |
|
# |
|
# Clean out the caches |
|
if (exists($ENV{'form.ClearCache'})) { |
|
&Apache::loncoursedata::delete_caches($ENV{'requres.course.id'}); |
|
} |
|
# |
|
# Set up the statistics and chart environment |
|
&PrepareClasslist(); |
|
&PrepareCourseData($r); |
|
# |
|
# Begin form output |
|
$r->print('<form name="Statistics" '); |
|
$r->print('method="post" action="/adm/statistics">'); |
|
$r->rflush(); |
|
# |
|
my $GoToPage = $ENV{'form.reportSelected'}; |
|
$r->print('<input type="hidden" name="reportSelected" value="'. |
|
$GoToPage.'">'); |
|
if($GoToPage eq 'activitylog') { |
|
# &Apache::lonproblemstatistics::Activity(); |
|
} elsif($GoToPage eq 'problem_statistics') { |
|
&Apache::lonproblemstatistics::BuildProblemStatisticsPage($r,$c); |
|
} elsif($GoToPage eq 'problem_analysis') { |
|
&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 'Correct-problems Plot') { |
|
# &Apache::lonpercentage::BuildPercentageGraph($r,$c); |
|
} |
|
# |
|
$r->print("</form>\n"); |
} |
} |
|
$r->print("</body>\n</html>\n"); |
|
$r->rflush(); |
|
# |
|
return OK; |
} |
} |
|
|
1; |
1; |
__END__ |
|
|
|
|
####################################################### |
|
####################################################### |
|
|
|
=pod |
|
|
|
=back |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
|
|
__END__ |
|
|