version 1.8, 2002/03/06 23:56:13
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version 1.71, 2003/05/27 14:51:24
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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 |
# |
# 5/05,7/09,7/25/01,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei |
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# 11/1, 11/4, 11/16, 12/14, 12/16, 12/18,12/20,12/31 Behrouz Minaei |
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# YEAR=2002 |
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# 1/22, 2/1, 2/6, 2/25, 3/2, 3/6 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; |
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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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use Time::HiRes; |
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# -------------------------------------------------------------- Module Globals |
####################################################### |
my %hash; |
####################################################### |
my %CachData; |
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my %GraphDat; |
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my %maps; |
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my %mapsort; |
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my %section; |
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my %StuBox; |
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my %DiscFac; |
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my %DisUp; |
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my %DisLow; |
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my $UpCnt; |
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my $CurMap; |
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my $CurSec; |
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my $CurStu; |
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my @cols; |
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my @list; |
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my @students; |
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my $p_count; |
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my $Pos; |
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my $r; |
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my $OpSel1; |
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my $OpSel2; |
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my $OpSelDis1; |
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my $OpSelDis2; |
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my $OpSel3; |
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my $OpSel4; |
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my $GData; |
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my $cid; |
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my $firstres; |
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my $lastres; |
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my $DiscFlag; |
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my $HWN; |
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my $P_Order; |
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my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod", |
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4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff", |
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9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd"); |
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#------- Processing upperlist and lowerlist according to each problem |
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sub ProcessDisc { |
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my @List = @_; |
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@List = sort (@List); |
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my $Count = $#List+1; |
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my $Prb; |
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my @Dis; |
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my $Slvd=0; |
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my $tmp; |
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my $Sum1=0; |
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my $Sum2=0; |
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my $nIdx=0; |
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my $nStud=0; |
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my %Proc; |
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undef %Proc; |
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while ($nIdx<$Count) { |
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($Prb,$tmp)=split(/\=/,$List[$nIdx]); |
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@Dis=split(/\+/,$tmp); |
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my $Temp = $Prb; |
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do { |
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$nIdx++; |
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$nStud++; |
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$Sum1 += $Dis[0]; |
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$Sum2 += $Dis[1]; |
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($Prb,$tmp)=split(/\=/,$List[$nIdx]); |
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@Dis=split(/\+/,$tmp); |
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} while ( $Prb eq $Temp && $nIdx < $Count ); |
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# $Proc{$Temp}=($Sum1/$nStud).':'.$nStud; |
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$Proc{$Temp}=($Sum1/$nStud).':'.($Sum2/$nStud); |
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# $r->print("$nIdx) $Temp --> ($nStud) $Proc{$Temp} <br>"); |
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$Sum1=0; |
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$Sum2=0; |
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$nStud=0; |
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} |
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return %Proc; |
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} |
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=pod |
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#------- Creating Discimination factor |
=item Package Variables |
sub Discriminant { |
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my $Count=0; |
=item @FullClasslist The full classlist |
foreach (keys(%DiscFac)){ |
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$Count++; |
=item @Students The students we are concerned with for this invocation |
} |
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$UpCnt = int(0.27*$Count); |
=item @Sections The sections available in this class |
my $low=0; |
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my $up=$Count-$UpCnt; |
=item $curr_student The student currently being examined |
my @UpList=(); |
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my @LowList=(); |
=item $prev_student The student previous in the classlist |
$Count=0; |
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foreach my $key (sort(keys(%DiscFac))){ |
=item $next_student The student next in the classlist |
$Count++; |
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#$r->print("<br>$Count) $key = $DiscFac{$key}"); |
=over |
if ($low < $UpCnt || $Count > $up) { |
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$low++; |
=cut |
my $str=$DiscFac{$key}; |
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foreach(split(/\:/,$str)){ |
####################################################### |
if ($_) { |
####################################################### |
if ($low<$UpCnt){push(@LowList,$_);} |
# |
else {push(@UpList,$_);} |
# Classlist variables |
} |
# |
} |
my $curr_student; |
} |
my $prev_student; |
} |
my $next_student; |
%DisUp=&ProcessDisc(@UpList); |
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%DisLow=&ProcessDisc(@LowList); |
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} |
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####################################################### |
sub NumericSort { |
####################################################### |
$a <=> $b; |
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=pod |
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=item &clear_classlist_variables() |
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undef the following package variables: |
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=over |
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=item @FullClasslist |
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=item @Students |
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=item @Sections |
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=item @SelectedSections |
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=item %StudentData |
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=item @StudentDataOrder |
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=item @SelectedStudentData |
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=item $curr_student |
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=item $prev_student |
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=item $next_student |
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=back |
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=cut |
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####################################################### |
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####################################################### |
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sub clear_classlist_variables { |
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undef(@FullClasslist); |
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undef(@Students); |
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undef(@Sections); |
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undef(@SelectedSections); |
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undef(%StudentData); |
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undef(@SelectedStudentData); |
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undef($curr_student); |
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undef($prev_student); |
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undef($next_student); |
} |
} |
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# ------ Create different Student Report |
####################################################### |
sub StudentReport { |
####################################################### |
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my ($sname,$sdom)=@_; |
=pod |
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if ( $sname eq 'All Students' ) { |
=item &PrepareClasslist() |
$r->print( '<h3><font color=blue>WARNING: |
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Please select a student</font></h3>' ); |
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return; |
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} |
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my $shome=&Apache::lonnet::homeserver($sname,$sdom); |
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my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome ); |
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my %result = (); |
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my $ResId; |
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my $PrOrd; |
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my $Code; |
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my $Tries; |
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my $TotalTries = 0; |
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my $ParCr = 0; |
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my $Wrongs; |
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my %TempHash; |
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my $Version; |
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my $LatestVersion; |
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my $PtrTry=''; |
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my $PtrCod=''; |
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my $SetNo=0; |
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my $Str = "\n".'<table border=2>'. |
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"\n".'<tr>'. |
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"\n".'<th> # </th>'. |
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"\n".'<th> Set Title </th>'. |
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"\n".'<th> Results </th>'. |
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"\n".'<th> Tries </th>'. |
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"\n".'</tr>'; |
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unless ($reply=~/^error\:/) { |
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foreach (split(/\&/,$reply)){ |
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my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); |
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$result{$name}=$value; |
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} |
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foreach my $CurCol (@cols) { |
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if (!$CurCol){ |
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my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1}); |
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if ( $Set ) { |
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$SetNo++; |
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$Str .= "\n"."<tr>". |
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"\n"."<td> $SetNo </td>". |
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"\n"."<td> $Set </td>". |
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"\n"."<td> $PtrCod </td>". |
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"\n"."<td> $PtrTry</td>". |
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"\n"."</tr>"; |
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} |
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$PtrTry=''; |
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$PtrCod=''; |
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next; |
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} |
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($PrOrd,$ResId)=split(/\:/,$CurCol); |
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$ResId=~/(\d+)\.(\d+)/; |
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my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
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if ( $CurMap ne 'All Maps' ) { |
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my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); |
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if ( $Map ne $ResMap ) { next; } |
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} |
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my $meta=$hash{'src_'.$ResId}; |
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my $PartNo = 0; |
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undef %TempHash; |
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foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))){ |
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if ($_=~/^stores\_(\d+)\_tries$/) { |
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my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); |
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if ( $TempHash{"$Part"} eq '' ) { |
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$TempHash{"$Part"} = $Part; |
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$TempHash{$PartNo}=$Part; |
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$TempHash{"$Part.Code"} = '-'; |
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$TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo; |
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$PartNo++; |
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} |
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} |
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} |
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my $Prob = $Map.'___'.$2.'___'. |
Build up the classlist information. The classlist information is kept in |
&Apache::lonnet::declutter( $hash{'src_'.$ResId} ); |
the following package variables: |
$Code='U'; |
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$Tries = 0; |
=over |
$Wrongs = 0; |
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$LatestVersion = $result{"version:$Prob"}; |
=item @FullClasslist |
if ( $LatestVersion ) { |
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for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { |
=item @Students |
my $vkeys = $result{"$Version:keys:$Prob"}; |
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my @keys = split(/\:/,$vkeys); |
=item @Sections |
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foreach my $Key (@keys) { |
=item @SelectedSections |
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { |
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my $Part = $1; |
=item %StudentData |
$Tries = $result{"$Version:$Prob:resource.$Part.tries"}; |
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$TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0; |
=item @SelectedStudentData |
$TotalTries += $Tries; |
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my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; |
=item $curr_student |
if ( $Val eq 'correct_by_student' ) |
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{ $Wrongs = $Tries - 1; $Code = 'Y'; } |
=item $prev_student |
elsif ( $Val eq 'correct_by_override' ) |
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{ $Wrongs = $Tries - 1; $Code = 'y'; } |
=item $next_student |
elsif ( $Val eq 'incorrect_attempted' || |
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$Val eq 'incorrect_by_override' ) |
=back |
{ $Wrongs = $Tries; $Code = 'N'; } |
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$TempHash{"$Part.Code"} = $Code; |
$curr_student, $prev_student, and $next_student may not be defined, depending |
$TempHash{"$Part.Wrongs"} = $Wrongs; |
upon the calling context. |
} |
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} |
=cut |
} |
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for ( my $n = 0; $n < $PartNo; $n++ ) { |
####################################################### |
my $part = $TempHash{$n}; |
####################################################### |
if ($PtrTry ne '') {$PtrTry .= ',';} |
sub PrepareClasslist { |
$PtrTry .= "$TempHash{$part.'.Tries'}"; |
my %Sections; |
$PtrCod .= "$TempHash{$part.'.Code'}"; |
&clear_classlist_variables(); |
} |
# |
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# Retrieve the classlist |
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my $cid = $ENV{'request.course.id'}; |
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my $cdom = $ENV{'course.'.$cid.'.domain'}; |
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my $cnum = $ENV{'course.'.$cid.'.num'}; |
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my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cid, |
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$cdom,$cnum); |
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if (exists($ENV{'form.Section'})) { |
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if (ref($ENV{'form.Section'})) { |
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@SelectedSections = @{$ENV{'form.Section'}}; |
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} elsif ($ENV{'form.Section'} !~ /^\s*$/) { |
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@SelectedSections = ($ENV{'form.Section'}); |
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} |
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} |
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@SelectedSections = ('all') if (! @SelectedSections); |
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foreach (@SelectedSections) { |
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if ($_ eq 'all') { |
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@SelectedSections = ('all'); |
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} |
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} |
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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*$/) { |
} |
@Sections = ($ENV{'request.course.sec'}); |
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} else { |
sub CreateTable { |
@Sections = sort {$a cmp $b} keys(%Sections); |
my $ColNo=0; |
unshift(@Sections,'all'); # Put 'all' at the front of the list |
foreach (keys(%Header)){ |
} |
$ColNo++; |
# |
} |
# Sort the Students |
my ($Hd, $Hid)=@_; |
my $sortby = 'fullname'; |
if ( $Hd == 1 ) { |
$sortby = $ENV{'form.sort'} if (exists($ENV{'form.sort'})); |
$r->print('<br><a href="'.$hash{'src_'.$Hid}. |
my @TmpStudents = sort { $a->{$sortby} cmp $b->{$sortby} || |
'" target="_blank">'.$hash{'title_'.$Hid}.'</a>'); |
$a->{'fullname'} cmp $b->{'fullname'} } @Students; |
} |
@Students = @TmpStudents; |
my $Result = "\n".'<table border=2>'; |
# |
$Result .= '<tr><th>P#</th>'."\n"; |
# Now deal with that current student thing.... |
for ( my $nIdx=0; $nIdx < $ColNo; $nIdx++ ) { |
if (exists($ENV{'form.StudentAssessmentStudent'})) { |
$Result .= '<th>'.'<input type="submit" name="sort" value="'. |
my ($current_uname,$current_dom) = |
$Header{$nIdx}.'" />'.'</th>'."\n"; |
split(':',$ENV{'form.StudentAssessmentStudent'}); |
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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 ($i == 0) { |
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$prev_student = 'none'; |
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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 = 'none'; |
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} else { |
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$next_student = $Students[$i+1]; |
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} |
} |
} |
$Result .= "\n".'</tr>'."\n"; |
# |
$r->print( $Result ); |
if (exists($ENV{'form.StudentData'})) { |
$r->rflush(); |
if (ref($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 = ('fullname'); |
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} |
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foreach (@SelectedStudentData) { |
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if ($_ eq 'all') { |
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@SelectedStudentData = ('all'); |
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last; |
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} |
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} |
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# |
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return; |
} |
} |
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sub CloseTable { |
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$r->print("\n".'</table>'."\n"); |
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$r->rflush(); |
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} |
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# ------------------------------------------- Prepare Statistics Table |
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sub PreStatTable { |
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my $CacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
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"_$ENV{'user.domain'}_$cid\_statistics.db"; |
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my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
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"_$ENV{'user.domain'}_$cid\_graph.db"; |
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my $CachDisFac = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
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"_$ENV{'user.domain'}_$cid\_DiscFactor.db"; |
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my $OpSel11=''; |
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my $OpSel12=''; |
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my $OpSel13=''; |
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my $Status = $ENV{'form.status'}; |
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if ( $Status eq 'Any' ) { $OpSel13='selected'; } |
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elsif ($Status eq 'Expired' ) { $OpSel12 = 'selected'; } |
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else { $OpSel11 = 'selected'; } |
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my $Ptr = ''; |
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$Ptr .= '<br><b> Student Status: </b>'."\n". |
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'<select name="status">'. |
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'<option '.$OpSel11.' >Active</option>'."\n". |
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'<option '.$OpSel12.' >Expired</option>'."\n". |
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'<option '.$OpSel13.' >Any</option> </select> '."\n"; |
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$Ptr .= ' '; |
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$Ptr .= '<input type=submit name=sort value="Recalculate Statistics"/>'."\n"; |
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|
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$Ptr .= '<br><b> Sorting Type: </b>'."\n". |
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'<select name="order"> <option '.$OpSel1.' >Ascending</option>'."\n". |
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'<option '.$OpSel2.'>Descending</option> </select> '."\n"; |
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$Ptr .= ' '; |
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$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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|
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$Ptr .= '<pre>'. |
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'<b> #Stdnts</b>: Total Number of Students opened the problem.<br>'. |
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'<b> Tries </b>: Total Number of Tries for solving the problem.<br>'. |
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'<b> Mod </b> : Maximunm Number of Tries for solving the problem.<br>'. |
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'<b> Mean </b>: Average Number of the tries. [ Tries / #Stdnts ]<br>'. |
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'<b> #YES </b>: Number of students solved the problem correctly.<br>'. |
|
'<b> #yes </b>: Number of students solved the problem by override.<br>'. |
|
'<b> %Wrng </b>: Percentage of students tried to solve the problem but'. |
|
' still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]<br>'. |
|
# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]<br>'. Kashy formula |
|
'<b> DoDiff </b>: Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]<br>'. #Gerd formula |
|
'<b> S.D. </b> : Standard Deviation of the tries.'. |
|
'[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'. |
|
' where Xi denotes every student\'s tries ]<br>'. |
|
'<b> Skew. </b>: Skewness of the students tries.'. |
|
' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]<br>'. |
|
'<b> Dis.F. </b>: Discrimination Factor: A Standard for '. |
|
'evaluating the problem according to a Criterion<br>'. |
|
'<b> [Applied Criterion in %27 Upper Students - '. |
|
'Applied the same Criterion in %27 Lower Students]</b><br>'. |
|
'<b> 1st </b>Criterion for Sorting the Students: '. |
|
'Sum of Partial Credit Awarded / Total Number of Tries<br>'. |
|
'<b> 2nd </b>Criterion for Sorting the Students: '. |
|
'Total number of Correct Answers / Total Number of Tries'. |
|
'</pre>'; |
|
|
|
$r->print($Ptr); |
|
$r->rflush(); |
|
|
|
if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) { |
|
if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) { |
|
tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_READER,0640); |
|
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); |
|
&Cache_Statistics(); |
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
|
else { |
|
if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) { |
|
tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_WRCREAT,0640); |
|
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); |
|
foreach (keys %DiscFac) {delete $CachData{$_};} |
|
foreach (keys %CachData) {delete $CachData{$_};} |
|
$DiscFlag=0; |
|
&Build_Statistics(); |
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
|
#$r->print('Total instances of the problems : '.($p_count*($#students+1))); |
|
|
|
untie(%CachData); |
|
untie(%GraphDat); |
|
untie(%DiscFac); |
|
} |
|
|
|
|
####################################################### |
|
####################################################### |
|
|
# ------------------------------------- Find the section of student in a course |
=pod |
|
|
sub usection { |
=item get_students |
my ($udom,$unam,$courseid,$ActiveFlag)=@_; |
|
$courseid=~s/\_/\//g; |
Returns a list of the selected students |
$courseid=~s/^(\w)/\/$1/; |
|
foreach (split(/\&/,&Apache::lonnet::reply('dump:'. |
=cut |
$udom.':'.$unam.':roles', |
|
&Apache::lonnet::homeserver($unam,$udom)))){ |
####################################################### |
my ($key,$value)=split(/\=/,$_); |
####################################################### |
$key=&Apache::lonnet::unescape($key); |
sub get_students { |
if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { |
if (! @Students) { |
my $section=$1; |
&PrepareClasslist() |
if ($key eq $courseid.'_st') { $section=''; } |
|
my ($dummy,$end,$start)=split(/\_/,&Apache::lonnet::unescape($value)); |
|
if ( $ActiveFlag ne 'Any' ) { |
|
my $now=time; |
|
my $notactive=0; |
|
if ($start) { |
|
if ($now<$start) { $notactive=1; } |
|
} |
|
if ($end) { |
|
if ($now>$end) { $notactive=1; } |
|
} |
|
if ((($ActiveFlag eq 'Expired') && $notactive == 1) || |
|
(($ActiveFlag eq 'Active') && $notactive == 0 ) ) { |
|
return $section; |
|
} |
|
else { return '-1'; } |
|
} |
|
return $section; |
|
} |
|
} |
} |
return '-1'; |
return @Students; |
} |
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
# ------ Dump the Student's DB file and handling the data for statistics table |
=pod |
|
|
sub ExtractStudentData { |
=item ¤t_student() |
my ($student,$coid)=@_; |
|
my ($sname,$sdom) = split( /\:/, $student ); |
|
my $shome=&Apache::lonnet::homeserver( $sname,$sdom ); |
|
my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome ); |
|
my %result = (); |
|
my $ResId; |
|
my $PrOrd; |
|
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\:/) { |
|
foreach (split(/\&/,$reply)) { |
|
my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); |
|
$result{$name}=$value; |
|
} |
|
foreach my $CurCol(@cols) { |
|
($PrOrd,$ResId)=split(/\:/,$CurCol); |
|
if ( !$CurCol ) { next; } |
|
$ResId=~/(\d+)\.(\d+)/; |
|
my $MapId=$1; |
|
my $PrbId=$2; |
|
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$MapId} ); |
|
if ( $CurMap ne 'All Maps' ) { |
|
my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); |
|
if ( $Map ne $ResMap ) { next; } |
|
} |
|
my $meta=$hash{'src_'.$ResId}; |
|
my $PartNo = 0; |
|
$Dis .= ':'; |
|
undef %TempHash; |
|
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { |
|
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'; |
|
$TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo; |
|
$PartNo++; |
|
} |
|
} |
|
} |
|
|
|
my $Prob = $Map.'___'.$PrbId.'___'. |
Returns a pointer to a hash containing data about the currently |
&Apache::lonnet::declutter( $hash{'src_'.$ResId} ); |
selected student. |
$Code='U'; |
|
$Tries = 0; |
=cut |
$ParCr = 0; |
|
$Wrongs = 0; |
####################################################### |
$LatestVersion = $result{"version:$Prob"}; |
####################################################### |
|
sub current_student { |
if ( $LatestVersion ) { |
if (defined($curr_student)) { |
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { |
return $curr_student; |
my $vkeys = $result{"$Version:keys:$Prob"}; |
} else { |
my @keys = split(/\:/,$vkeys); |
return 'All Students'; |
|
|
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}"; |
|
my $ptr = $TempHash{$part.'.PrOrd'}.':'.$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 .= $TempHash{$part.'.PrOrd'}.'='.$DisF.'+'.$Yes; |
|
|
|
#$r->print('<br>'.$DisFactor,'###',$DiscFac{$DisFactor}); |
|
$ptr .= ":$TempHash{$part.'.Tries'}". |
|
":$TempHash{$part.'.Wrongs'}". |
|
":$TempHash{$part.'.Code'}"; |
|
push (@list, $ptr); |
|
$TotalOpend++; |
|
$ProbTot++; |
|
} |
|
} |
|
#else { |
|
#for(my $n=0; $n<$PartNo; $n++) { |
|
# push (@list, "$hash{'title_'.$ResId}*$ResId:0:0:U"); |
|
# $ProbTot++; |
|
#} |
|
#} |
|
} |
|
if ( $TotalTries ) { |
|
my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0; |
|
my $DisFactor = sprintf( "%.4f", $DisFac ); |
|
$DiscFac{$DisFactor}=$Dis; |
|
#$r->print('<br>'.$DisFactor,'###',$DiscFac{$DisFactor}); |
|
#my $time; |
|
#if ($ProbSolved){ |
|
#$time = int(($TimeTot/$ProbSolved)-10000000); |
|
#} |
|
#$DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'. |
|
# $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis; |
|
} |
|
} |
} |
#$r->print($sname.' PrCr= '.$TotParCr.' Slvd= '.$ProbSolved.' Tries='.$TotalTries.'<br>'); |
|
} |
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
# ------------------------------------------------------------ Build page table |
=pod |
sub tracetable { |
|
my ($rid,$beenhere)=@_; |
=item &previous_student() |
$rid=~/(\d+)\.(\d+)/; |
|
$maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid}; |
Returns a pointer to a hash containing data about the student prior |
#$maps{$HWN}=$hash{'title_'.$rid}; |
in the list of students. Or something. |
unless ($beenhere=~/\&$rid\&/) { |
|
$beenhere.=$rid.'&'; |
=cut |
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; |
sub previous_student { |
$P_Order++; |
if (defined($prev_student)) { |
$HWN=$P_Order; |
return $prev_student; |
$mapsort{$HWN} = $rid.':'; |
} else { |
#$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}= |
return 'No Student Selected'; |
# $hash{'title_'.$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.'&'); |
|
|
|
$cols[$#cols+1]=($P_Order+1).':'.$frid; |
|
|
|
my $meta=$hash{'src_'.$frid}; |
|
my $PartNo = 0; |
|
if ($meta) { |
|
if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) { |
|
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { |
|
if ($_=~/^stores\_(\d+)\_tries$/) { |
|
&Apache::lonnet::metadata($meta,$_.'.part'); |
|
$P_Order++; |
|
$mapsort{$HWN} .= '&'.$P_Order; |
|
$PartNo++; |
|
$r->print('<br>'.$PartNo.'---'.$P_Order); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} else { |
|
$cols[$#cols+1]=($P_Order+1).':'.$rid; |
|
my $meta=$hash{'src_'.$rid}; |
|
my $PartNo = 0; |
|
if ($meta) { |
|
if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) { |
|
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { |
|
if ($_=~/^stores\_(\d+)\_tries$/) { |
|
&Apache::lonnet::metadata($meta,$_.'.part'); |
|
$P_Order++; |
|
$mapsort{$HWN} .= '&'.$P_Order; |
|
$PartNo++; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
if (defined($hash{'to_'.$rid})) { |
|
foreach (split(/\,/,$hash{'to_'.$rid})){ |
|
&tracetable($hash{'goesto_'.$_},$beenhere); |
|
} |
|
} |
|
} |
} |
} |
} |
|
|
sub MySort { |
####################################################### |
if ( $Pos > 0 ) { |
####################################################### |
if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;} |
|
else { $a <=> $b; } |
=pod |
} |
|
else { |
=item &next_student() |
if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;} |
|
else { $a cmp $b; } |
Returns a pointer to a hash containing data about the next student |
|
to be viewed. |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
sub next_student { |
|
if (defined($next_student)) { |
|
return $next_student; |
|
} else { |
|
return 'No Student Selected'; |
} |
} |
} |
} |
|
|
sub Build_Statistics { |
####################################################### |
$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 |
|
|
|
$r->rflush(); |
=pod |
# ---------------------------- Gathering the Data of students' tries |
|
my $index; |
=item &clear_sequence_variables() |
for ($index=0;$index<=$#students;$index++) { |
|
#----------- update progress |
=cut |
$r->print('<script>popwin.document.popremain.remaining.value="'. |
|
'Computing '.($index+1).'/'.($#students+1).': '. |
####################################################### |
$students[$index].'";</script>'); |
####################################################### |
$r->rflush(); |
sub clear_sequence_variables { |
|
undef($top_map); |
&ExtractStudentData($students[$index],$cid); |
undef(@Sequences); |
} |
undef(@Assessments); |
|
|
# -------------------- sorting the Data |
|
$r->print('<script>popwin.document.popremain.remaining.value="'. |
|
'Calculating Discrimination Factors...";</script>'); |
|
|
|
@list = sort (@list); |
|
|
|
|
|
&Discriminant(); |
|
|
|
$OpSel2=''; |
|
$OpSel1='selected'; |
|
|
|
$p_count = 0; |
|
my $nIdx = 0; |
|
my $dummy; |
|
my $p_val; |
|
my $ResId; |
|
my $NoElements = $#list + 1; |
|
#-------------------------------- loop for data representation |
|
foreach (sort keys %mapsort) { |
|
my ($Hid,$pr)=split(/\:/,$mapsort{$_}); |
|
my @lpr=split(/\&/,$pr); |
|
&CreateTable(1,$Hid); |
|
for (my $i=1; $i<=$#lpr; $i++) { |
|
my %storestats=(); |
|
my ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); |
|
my $Temp = $Prob; |
|
my $MxTries = 0; |
|
my $TotalTries = 0; |
|
my $YES = 0; |
|
my $Incorrect = 0; |
|
my $Override = 0; |
|
my $StdNo = 0; |
|
my @StdLst; |
|
while ( $PrOrd == $lpr[$i] ) |
|
{ |
|
$nIdx++; |
|
$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)=split(/\:/,$list[$nIdx]); |
|
} |
|
|
|
$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,$Up2)=split(/\:/,$DisUp{$lpr[$i]}); |
|
my ($Lw1,$Lw2)=split(/\:/,$DisLow{$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 = $PrOrd.':'.$Temp.':'.$StdNo.':'. |
|
$TotalTries.':'.$MxTries.':'.$Avg.':'. |
|
$YES.':'.$Override.':'.$Wrng.':'.$DoD.':'. |
|
$SD.':'.$Sk.':'.$_D1.':'.$_D2.':'.$Prob; |
|
$CachData{($p_count-1)}=$join; |
|
|
|
$urlres=~/^(\w+)\/(\w+)/; |
|
if ($StdNo) { |
|
&Apache::lonnet::put('resevaldata',\%storestats,$1,$2); |
|
} |
|
#-------------------------------- Row of statistical table |
|
if ( $DiscFlag == 0 ) { |
|
&TableRow($join,$i,($p_count-1)); |
|
} |
|
} |
|
&CloseTable(); |
|
} |
|
#--------------------- close Progress Line |
|
$r->print('<script>popwin.close()</script>'); |
|
$r->rflush(); |
|
} |
} |
|
|
sub Cache_Statistics { |
####################################################### |
my @list = (); |
####################################################### |
my $Useful; |
|
my $UnUseful; |
=pod |
my %myHeader = reverse( %Header ); |
|
$Pos = $myHeader{$ENV{'form.sort'}}; |
=item &SetSelectedMaps($elementname) |
if ($Pos > 0) {$Pos++;} |
|
$p_count = 0; |
Sets the @SelectedMaps array from $ENV{'form.'.$elementname}; |
foreach my $key( keys %CachData) { |
|
my @Temp=split(/\:/,$CachData{$key}); |
=cut |
if ( $Pos == 0 ) { |
|
($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]); |
####################################################### |
} |
####################################################### |
else { |
sub SetSelectedMaps { |
$Useful = $Temp[$Pos]; |
my $elementname = shift; |
} |
if (exists($ENV{'form.'.$elementname})) { |
$list[$p_count]=$Useful.'&'.$CachData{$key}; |
if (ref($ENV{'form.'.$elementname})) { |
$p_count++; |
@SelectedMaps = @{$ENV{'form.'.$elementname}}; |
} |
} else { |
|
@SelectedMaps = ($ENV{'form.'.$elementname}); |
@list = sort MySort (@list); |
} |
|
} else { |
my $nIdx=0; |
@SelectedMaps = ('all'); |
|
|
if ( $Pos == 0 ) { |
|
foreach (sort keys %mapsort) { |
|
my ($Hid,$pr)=split(/\:/,$mapsort{$_}); |
|
&CreateTable(1,$Hid); |
|
my @lpr=split(/\&/,$pr); |
|
for (my $i=1; $i<=$#lpr; $i++) { |
|
my($Pre, $Post) = split(/\&/,$list[$nIdx]); |
|
&TableRow($Post,$i,$nIdx); |
|
$nIdx++; |
|
} |
|
&CloseTable(); |
|
} |
|
} |
|
else { |
|
&CreateTable(0); |
|
for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) { |
|
my($Pre, $Post) = split(/\&/,$list[$nIdx]); |
|
&TableRow($Post,$nIdx,$nIdx); |
|
} |
|
&CloseTable(); |
|
} |
} |
} |
} |
|
|
sub TableRow { |
|
my ($Str,$Idx,$RealIdx)=@_; |
|
my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES, |
|
$Override,$Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$Prob)=split(/\:/,$Str); |
|
$r->print( "\n".'<tr>'. |
|
"\n".'<td>'.($RealIdx+1).'</td>'. |
|
"\n".'<td>'.$Temp.'</td>'. |
|
"\n".'<td bgcolor="#EEFFCC"> '.$StdNo.'</td>'. |
|
"\n".'<td bgcolor="#EEFFCC">'.$TotalTries.'</td>'. |
|
"\n".'<td bgcolor="#EEFFCC">'.$MxTries.'</td>'. |
|
"\n".'<td bgcolor="#DDFFFF">'.$Avg.'</td>'. |
|
"\n".'<td bgcolor="#DDFFFF"> '.$YES.'</td>'. |
|
"\n".'<td bgcolor="#DDFFFF"> '.$Override.'</td>'. |
|
"\n".'<td bgcolor="#FFDDDD"> '.$Wrng.'</td>'. |
|
"\n".'<td bgcolor="#FFDDDD">'.$DoD.'</td>'. |
|
"\n".'<td bgcolor="#DDFFDD"> '.$SD.'</td>'. |
|
"\n".'<td bgcolor="#DDFFDD"> '.$Sk.'</td>'. |
|
"\n".'<td bgcolor="#FFDDFF"> '.$_D1.'</td>'. |
|
"\n".'<td bgcolor="#FFDDFF"> '.$_D2.'</td>'. |
|
"\n".'</tr>' ); |
|
$GraphDat{$RealIdx}=$DoD.':'.$Wrng; |
|
} |
|
|
|
# ------------------------------------------- Prepare data for Graphical chart |
####################################################### |
|
####################################################### |
|
|
|
=pod |
|
|
|
=item &Sequences_with_Assess() |
|
|
sub GetGraphData { |
Returns an array containing the subset of @Sequences which contain |
my $Tag = shift; |
assessments. |
my $Col; |
|
my $data=''; |
=cut |
my $count = 0; |
|
my $Max = 0; |
####################################################### |
my $cid=$ENV{'request.course.id'}; |
####################################################### |
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
sub Sequences_with_Assess { |
"_$ENV{'user.domain'}_$cid\_graph.db"; |
my @Sequences_to_Show; |
foreach (keys %GraphDat) {delete $GraphDat{$_};} |
foreach my $map_symb (@SelectedMaps) { |
if (-e "$GraphDB") { |
foreach my $sequence (@Sequences) { |
if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) { |
next if ($sequence->{'symb'} ne $map_symb && $map_symb ne 'all'); |
if ( $Tag eq 'DoDiff Graph' ) { |
next if ($sequence->{'num_assess'} < 1); |
$Tag = 'Degree-of-Difficulty'; |
push (@Sequences_to_Show,$sequence); |
$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 { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
} |
|
return @Sequences_to_Show; |
} |
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
sub initial { |
=pod |
# --------------------------------- Initialize the global varaibles |
|
undef @students; |
=item &PrepareCourseData($r) |
undef @cols; |
|
undef %maps; |
=cut |
undef %section; |
|
undef %StuBox; |
####################################################### |
undef @list; |
####################################################### |
undef %CachData; |
sub PrepareCourseData { |
undef %GraphDat; |
my ($r) = @_; |
undef %DiscFac; |
&clear_sequence_variables(); |
undef $CurMap; |
my ($top,$sequences,$assessments) = |
undef $CurSec; |
&Apache::loncoursedata::get_sequence_assessment_data(); |
undef $CurStu; |
if (! defined($top) || ! ref($top)) { |
undef $p_count; |
# There has been an error, better report it |
undef $Pos; |
&Apache::lonnet::logthis('top is undefined'); |
undef $GData; |
return; |
$DiscFlag=0; |
} |
$P_Order=100000; |
$top_map = $top if (ref($top)); |
$HWN=$P_Order; |
@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'} = $num_col; |
|
} |
|
return; |
} |
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
sub ClassList { |
=pod |
|
|
&GetStatus(); |
=item &log_sequence($sequence,$recursive,$padding) |
|
|
$cid=$ENV{'request.course.id'}; |
Write data about the sequence to a logfile. If $recursive is not |
my $chome=$ENV{'course.'.$cid.'.home'}; |
undef the data is written recursively. $padding is used for recursive |
my ($cdom,$cnum)=split(/\_/,$cid); |
calls. |
# ----------------------- Get first and last resource, see if there is anything |
|
$firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}}; |
=cut |
$lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}}; |
|
if (($firstres) && ($lastres)) { |
####################################################### |
# ----------------------------------------------------------------- Render page |
####################################################### |
my $classlst=&Apache::lonnet::reply |
sub log_sequence { |
('dump:'.$cdom.':'.$cnum.':classlist',$chome); |
my ($seq,$recursive,$padding) = @_; |
my $StudNo = 0; |
$padding = '' if (! defined($padding)); |
my $now=time; |
if (ref($seq) ne 'HASH') { |
unless ($classlst=~/^error\:/) { |
&Apache::lonnet::logthis('log_sequence passed bad sequnce'); |
foreach (sort split(/\&/,$classlst)) { |
return; |
my ($name,$value)=split(/\=/,$_); |
} |
my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value)); |
&Apache::lonnet::logthis($padding.'sequence '.$seq->{'title'}); |
$name=&Apache::lonnet::unescape($name); |
while (my($key,$value) = each(%$seq)) { |
my ($sname,$sdom)=split(/\:/,$name); |
next if ($key eq 'contents'); |
my $active=1; |
if (ref($value) eq 'ARRAY') { |
my $Status=$ENV{'form.status'}; |
for (my $i=0;$i< scalar(@$value);$i++) { |
$Status = ($Status) ? $Status : 'Active'; |
&Apache::lonnet::logthis($padding.$key.'['.$i.']='. |
if ( ( ($end) && $now > $end ) && |
$value->[$i]); |
( ($Status eq 'Active') ) ) { $active=0; } |
} |
if ( ($Status eq 'Expired') && |
} else { |
($end == 0 || $now < $end) ) { $active=0; } |
&Apache::lonnet::logthis($padding.$key.'='.$value); |
if ($active) { |
} |
my $thisindex=$#students+1; |
} |
$name=&Apache::lonnet::unescape($name); |
if (defined($recursive)) { |
$students[$thisindex]=$name; |
&Apache::lonnet::logthis($padding.'-'x20); |
my ($sname,$sdom)=split(/\:/,$name); |
&Apache::lonnet::logthis($padding.'contains:'); |
|
foreach my $item (@{$seq->{'contents'}}) { |
#my %reply=&Apache::lonnet::idrget($sdom,$sname); |
if ($item->{'type'} eq 'container') { |
#my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname. |
&log_sequence($item,$recursive,$padding.' '); |
# ':environment:lastname&generation&firstname&middlename', |
} else { |
# &Apache::lonnet::homeserver($sname,$sdom)); |
&Apache::lonnet::logthis($padding.'title = '.$item->{'title'}); |
my $ssec=&usection($sdom,$sname,$cid,$Status); |
while (my($key,$value) = each(%$item)) { |
if ($ssec==-1) {next;} |
next if ($key eq 'title'); |
$ssec=($ssec) ? $ssec : '(none)'; |
if (ref($value) eq 'ARRAY') { |
#$ssec=(int($ssec)) ? int($ssec) : $ssec; |
for (my $i=0;$i< scalar(@$value);$i++) { |
#$r->print($sname.'...'.$ssec.'<br>'); |
&Apache::lonnet::logthis($padding.$key.'['.$i.']='. |
$section{$ssec}=$ssec; |
$value->[$i]); |
if ($CurSec eq 'All Sections' || $ssec eq $CurSec) { |
} |
$students[$StudNo]=$name; |
} else { |
$StuBox{$sname}=$sdom; |
&Apache::lonnet::logthis($padding.$key.'='.$value); |
} |
} |
$StudNo++; |
} |
} |
} |
} |
} |
} |
&Apache::lonnet::logthis($padding.'end contents of '.$seq->{'title'}); |
else { |
&Apache::lonnet::logthis($padding.'-'x20); |
$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; |
|
# foreach (sort keys %mapsort) { |
|
# $r->print('<br>'.$c.')'.$_.' ... '.$mapsort{$_}); |
|
# $c++; |
|
# } |
|
#foreach(@cols) { |
|
# $c++; |
|
# $r->print('<br>'.$cols[$c]); |
|
#} |
|
#$r->print('<br> Count = '.$c); |
|
|
|
} |
|
|
|
# ------------------------------------------------------------- End render page |
|
else { |
|
$r->print('<h3>Undefined course sequence</h3>'); |
|
} |
} |
&MapSecOptions(); |
return; |
} |
} |
|
|
|
############################################## |
|
############################################## |
|
|
sub Menu { |
=pod |
my $InpStr = $ENV{'form.sort'}; |
|
if ( $InpStr eq 'DoDiff Graph' || $InpStr eq '%Wrong Graph' ) { |
=item &StudentDataSelect($elementname,$status,$numvisible,$selected) |
&GetGraphData($InpStr); |
|
$r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />'); |
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) |
else { |
|
$r->print('<html><head><title>LON-CAPA Statistics</title></head>'); |
=over 4 |
|
|
|
=item $elementname The name of the HTML form element |
$r->print('<body bgcolor="#FFFFFF">'. |
|
'<script>window.focus(); window.width=500;window.height=500; </script>'. |
=item $status 'multiple' or 'single' selection box |
'<img align=right src=/adm/lonIcons/lonlogos.gif>'); |
|
# ---------------------------------------------------------------- Course title |
=item $numvisible The number of options to be visible |
$r->print('<h1> Course : "'. |
|
$ENV{'course.'.$ENV{'request.course.id'}. |
=back |
'.description'}.'"</h1><h2>'.localtime().'</h2>'); |
|
# ------------------------------- This is going to take a while, produce output |
=cut |
$r->rflush(); |
|
|
############################################## |
$r->print("\n".'<form name=stat method=post action="/adm/statistics" >'); |
############################################## |
|
sub StudentDataSelect { |
my $content = $ENV{'form.sort'}; |
my ($elementname,$status,$numvisible)=@_; |
if ($content eq '' || $content eq 'Return to Menu') { |
if ($numvisible < 1) { |
my $Ptr = '<h3>'; |
return; |
$Ptr .= '<input type=submit name=sort value="Problem Evaluation"/>'; |
} |
$Ptr .= '<br><br>'; |
# |
$Ptr .= '<input type=submit name=sort value="Student Assessment"/>'; |
# Build the form element |
$Ptr .= '</h3>'; |
my $Str = "\n"; |
$r->print( $Ptr ); |
$Str .= '<select name="'.$elementname.'" '; |
} |
if ($status ne 'single') { |
else { |
$Str .= 'multiple="true" '; |
&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(); |
|
} |
} |
|
$Str .= 'size="'.$numvisible.'" >'."\n"; |
|
# |
|
# Deal with 'all' |
|
$Str .= ' <option value="all" '; |
|
foreach (@SelectedStudentData) { |
|
if ($_ eq 'all') { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$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; |
|
} |
|
} |
|
$Str .= '>'.$item."</option>\n"; |
|
} |
|
$Str .= "</select>\n"; |
|
return $Str; |
} |
} |
|
|
sub StudentOptions { |
############################################## |
my $OpSel5=''; |
############################################## |
$CurStu = $ENV{'form.student'}; |
|
if ( $CurStu eq '' ) { |
=pod |
$CurStu = 'All Students'; |
|
$OpSel5 = 'selected'; |
=item &MapSelect($elementname,$status,$numvisible,$restriction) |
} |
|
my $Ptr =''; |
Returns html for a selection box allowing the user to choose one (or more) |
# ----------------------------------- Loading the Students Combobox |
of the sequences in the course. The values of the sequences are the symbs. |
$Ptr .= '<br><b>Select Student</b>'."\n". |
If the top sequence is selected, the value 'top' will result. |
'<select name="student">'."\n". |
|
'<option '.$OpSel5.'>All Students</option>'; |
=over 4 |
foreach my $key ( sort keys %StuBox ) { |
|
$Ptr .= '<option'; |
=item $elementname The name of the HTML form element |
if ($CurStu eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>\n"; |
=item $status 'multiple' or 'single' selection box |
} |
|
$Ptr .= '</select>'; |
=item $numvisible The number of options to be visible |
$Ptr .= '<br><input type="submit" name="sort" value="Create Student Report" />'; |
|
$r->print( $Ptr ); |
=item $restriction Code reference to subroutine which returns true or |
$r->rflush(); |
false. The code must expect a reference to a sequence data structure. |
} |
|
|
=back |
|
|
sub GetStatus { |
=cut |
$OpSel1=''; |
|
$OpSel2=''; |
############################################## |
$OpSel3=''; |
############################################## |
$OpSel4=''; |
sub MapSelect { |
|
my ($elementname,$status,$numvisible,$restriction)=@_; |
if ( $ENV{'form.order'} eq 'Descending' ) { $OpSel2='selected'; } |
if ($numvisible < 1) { |
else { $OpSel1 = 'selected'; } |
return; |
|
} |
my %myHeader = reverse( %Header ); |
# |
$Pos = $myHeader{$ENV{'form.sort'}}; |
# Set up array of selected items |
if ($Pos == 0) { |
&SetSelectedMaps($elementname); |
$OpSel1 = 'selected'; |
# |
$ENV{'form.order'}='Ascendig'; |
# Set up the restriction call |
} |
if (! defined($restriction)) { |
|
$restriction = sub { 1; }; |
$CurMap = $ENV{'form.maps'}; |
} |
if ( $CurMap eq '' ) { |
# |
$CurMap = 'All Maps'; |
# Build the form element |
$OpSel3 = 'selected'; |
my $Str = "\n"; |
} |
$Str .= '<select name="'.$elementname.'" '; |
$CurSec = $ENV{'form.section'}; |
if ($status ne 'single') { |
if ( $CurSec eq '' ) { |
$Str .= 'multiple="true" '; |
$CurSec = 'All Sections'; |
} |
$OpSel4 = 'selected'; |
$Str .= 'size="'.$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) |
|
|
|
Returns html for a selection box allowing the user to choose one (or more) |
|
of the sections in the course. |
|
|
sub MapSecOptions { |
Uses the package variables @Sections and @SelectedSections |
# ----------------------------------- Loading the Maps Combobox |
=over 4 |
my $Ptr = '<br>'; |
|
$Ptr .= '<br><input type="submit" name="sort" value="Return to Menu" />'; |
=item $elementname The name of the HTML form element |
$Ptr .= '<br><b> Select Map </b>'."\n". |
|
'<select name="maps">'."\n". |
=item $status 'multiple' or 'single' selection box |
'<option '.$OpSel3.'>All Maps</option>'; |
|
foreach my $key ( sort keys %maps ) { |
=item $numvisible The number of options to be visible |
$Ptr .= '<option'; |
|
if ($CurMap eq $key) {$Ptr .= ' selected';} |
=back |
$Ptr .= '>'.$key."</option>\n"; |
|
} |
=cut |
$Ptr .= '</select>'; |
|
$Ptr .= ' '; |
############################################## |
|
############################################## |
# ----------------------------------- Loading the Sections Combobox |
sub SectionSelect { |
$Ptr .= '<br><b>Select Section</b>'."\n". |
my ($elementname,$status,$numvisible)=@_; |
'<select name="section">'."\n". |
if ($numvisible < 1) { |
'<option '.$OpSel4.'>All Sections</option>'; |
return; |
foreach my $key ( sort keys %section ) { |
|
$Ptr .= '<option'; |
|
if ($CurSec eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>"."\n"; |
|
} |
} |
$Ptr .= '</select>'."\n"; |
# |
|
# 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; |
|
} |
|
|
$r->print( $Ptr ); |
################################################## |
|
################################################## |
|
sub DisplayClasslist { |
|
my ($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"; |
|
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') { |
|
$Str .= '<a href="/adm/statistics?reportSelected='; |
|
$Str .= &Apache::lonnet::escape('student_assessment'); |
|
$Str .= '&StudentAssessmentStudent='; |
|
$Str .= &Apache::lonnet::escape($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(); |
$r->rflush(); |
|
# |
|
return; |
} |
} |
|
|
|
############################################## |
|
############################################## |
|
sub CreateMainMenu { |
|
my ($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 .= '<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 .= '</tr></tbody></table>'."\n"; |
|
$Str .= '<hr>'."\n"; |
|
# |
|
return $Str; |
|
} |
|
|
# ================================================================ Main Handler |
############################################## |
|
############################################## |
sub handler { |
sub handler { |
$r=shift; |
my $r=shift; |
|
my $c = $r->connection(); |
if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { |
# |
# ------------------------------------------- Set document type for header only |
# Check for overloading |
if ($r->header_only) { |
my $loaderror=&Apache::lonnet::overloaderror($r); |
if ($ENV{'browser.mathml'}) { |
if ($loaderror) { return $loaderror; } |
$r->content_type('text/xml'); |
$loaderror= |
} |
&Apache::lonnet::overloaderror($r, |
else { |
$ENV{'course.'.$ENV{'request.course.id'}.'.home'}); |
$r->content_type('text/html'); |
if ($loaderror) { return $loaderror; } |
} |
# |
$r->send_http_header; |
# Check for access |
return OK; |
if (! &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { |
} |
|
my $requrl=$r->uri; |
|
# ----------------------------------------------------------------- Tie db file |
|
|
|
undef %hash; |
|
|
|
if ($ENV{'request.course.fn'}) { |
|
my $fn=$ENV{'request.course.fn'}; |
|
if (-e "$fn.db") { |
|
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) { |
|
# ------------------------------------------------------------------- Hash tied |
|
$r->content_type('text/html'); |
|
$r->send_http_header; |
|
&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 { |
|
$ENV{'user.error.msg'}= |
$ENV{'user.error.msg'}= |
$r->uri.":vgr:0:0:Cannot view grades for complete course"; |
$r->uri.":vgr:0:0:Cannot view grades for complete course"; |
|
if (! &Apache::lonnet::allowed('vgr', |
return HTTP_NOT_ACCEPTABLE; |
$ENV{'request.course.id'}.'/'.$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', |
|
'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(); |
|
&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; |
1; |
__END__ |
|
|
|
|
####################################################### |
|
####################################################### |
|
|
|
=pod |
|
|
|
=back |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
|
|
__END__ |
|
|