--- loncom/interface/lonstatistics.pm 2002/03/02 23:22:32 1.6
+++ loncom/interface/lonstatistics.pm 2013/03/06 11:39:00 1.157
@@ -1,7 +1,6 @@
# The LearningOnline Network with CAPA
-# (Publication Handler
#
-# $Id: lonstatistics.pm,v 1.6 2002/03/02 23:22:32 minaeibi Exp $
+# $Id: lonstatistics.pm,v 1.157 2013/03/06 11:39:00 bisitz Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -26,1148 +25,1143 @@
# http://www.lon-capa.org/
#
# (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
-# 11/1, 11/4, 11/16, 12/14, 12/16, 12/18,12/20,12/31 Behrouz Minaei
-# YEAR=2002
-# 1/22, 2/1, 2/6, 2/25, 3/2 Behrouz Minaei
+#
###
-package Apache::lonstatistics;
+
+
+package Apache::lonstatistics;
use strict;
use Apache::Constants qw(:common :http);
-use Apache::lonnet();
+use vars qw(
+ @FullClasslist
+ @Students
+ @Sections
+ @Groups
+ %StudentData
+ @StudentDataOrder
+ @SelectedStudentData
+ $enrollment_status);
+
+use Apache::lonnet;
use Apache::lonhomework;
-use HTML::TokeParser;
-use GDBM_File;
-#use Benchmark;
-
-# -------------------------------------------------------------- Module Globals
-my %hash;
-my %CachData;
-my %GraphDat;
-my %maps;
-my %mapsort;
-my %section;
-my %StuBox;
-my %DiscFac;
-my $CurMap;
-my $CurSec;
-my $CurStu;
-my @cols;
-my @list;
-my @students;
-my $p_count;
-my $Pos;
-my $r;
-my $OpSel1;
-my $OpSel2;
-my $OpSelDis1;
-my $OpSelDis2;
-my $CurDis=0;
-my $OpSel3;
-my $OpSel4;
-my $GData;
-my $cid;
-my $firstres;
-my $lastres;
-my $DiscFlag;
-my $HWN;
-my $P_Order;
-my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod",
- 4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff",
- 9,"S.D.",10,"Skew.",11,"Map");
-# 11,"Dis.F.",12,"Resourse URL");
+use Apache::loncommon;
+use Apache::loncoursedata;
+use Apache::lonhtmlcommon;
+use Apache::lonmysql;
+use Apache::lonlocal;
+use Apache::longroup;
+use Time::HiRes;
+#
+# Statistics Packages
+use Apache::lonproblemanalysis();
+use Apache::lonsubmissiontimeanalysis();
+use Apache::loncorrectproblemplot();
+use Apache::lonproblemstatistics();
+use Apache::lonstudentassessment();
+use Apache::lonpercentage;
+use Apache::lonstudentsubmissions();
+use Apache::lonsurveyreports();
+use Apache::longradinganalysis();
+use Apache::lonquickgrades();
+use LONCAPA;
+
+#
+# Classlist variables
+#
+my $curr_student;
+my $prev_student;
+my $next_student;
+
-sub NumericSort {
- $a <=> $b;
+sub clear_classlist_variables {
+ undef(@FullClasslist);
+ undef(@Students);
+ undef(@Sections);
+ undef(@Groups);
+ undef(%StudentData);
+ undef(@SelectedStudentData);
+ undef($curr_student);
+ undef($prev_student);
+ undef($next_student);
}
-# ------ Create different Student Report
-sub StudentReport {
- my ($sname,$sdom)=@_;
- if ( $sname eq 'All Students' ) {
- $r->print( '<h3><font color=blue>WARNING:
- Please select a student</font></h3>' );
- return;
- }
- my $shome=&Apache::lonnet::homeserver( $sname,$sdom );
- my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome );
- my %result = ();
- my $ResId;
- my $PrOrd;
- my $Code;
- my $Tries;
- my $TotalTries = 0;
- my $ParCr = 0;
- my $Wrongs;
- my %TempHash;
- my $Version;
- my $LatestVersion;
- my $PtrTry='';
- my $PtrCod='';
- my $SetNo=0;
- my $Str = "\n".'<table border=2>'.
- "\n".'<tr>'.
- "\n".'<th> # </th>'.
- "\n".'<th> Set Title </th>'.
- "\n".'<th> Results </th>'.
- "\n".'<th> Tries </th>'.
- "\n".'</tr>';
- unless ($reply=~/^error\:/) {
- foreach (split(/\&/,$reply)){
- my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
- $result{$name}=$value;
- }
- foreach my $CurCol (@cols) {
- if (!$CurCol){
- my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1});
- if ( $Set ) {
- $SetNo++;
- $Str .= "\n"."<tr>".
- "\n"."<td> $SetNo </td>".
- "\n"."<td> $Set </td>".
- "\n"."<td> $PtrCod </td>".
- "\n"."<td> $PtrTry</td>".
- "\n"."</tr>";
- }
- $PtrTry='';
- $PtrCod='';
- next;
- }
- ($PrOrd,$ResId)=split(/\:/,$CurCol);
- $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 $PartNo = 0;
- undef %TempHash;
- foreach (split(/\,/,&Apache::lonnet::metadata($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"} = '-';
- $TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo;
- $PartNo++;
- }
- }
- }
- my $Prob = $Map.'___'.$2.'___'.
- &Apache::lonnet::declutter( $hash{'src_'.$ResId} );
- $Code='U';
- $Tries = 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"};
- $TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0;
- $TotalTries += $Tries;
- my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
- if ( $Val eq 'correct_by_student' )
- { $Wrongs = $Tries - 1; $Code = 'Y'; }
- elsif ( $Val eq 'correct_by_override' )
- { $Wrongs = $Tries - 1; $Code = 'y'; }
- elsif ( $Val eq 'incorrect_attempted' ||
- $Val eq 'incorrect_by_override' )
- { $Wrongs = $Tries; $Code = 'N'; }
- $TempHash{"$Part.Code"} = $Code;
- $TempHash{"$Part.Wrongs"} = $Wrongs;
- }
- }
- }
- for ( my $n = 0; $n < $PartNo; $n++ ) {
- my $part = $TempHash{$n};
- if ($PtrTry ne '') {$PtrTry .= ',';}
- $PtrTry .= "$TempHash{$part.'.Tries'}";
- $PtrCod .= "$TempHash{$part.'.Code'}";
- }
+sub PrepareClasslist {
+ my %Sections;
+ &clear_classlist_variables();
+ #
+ # Retrieve the classlist
+ my $cid = $env{'request.course.id'};
+ my $cdom = $env{'course.'.$cid.'.domain'};
+ my $cnum = $env{'course.'.$cid.'.num'};
+ my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cdom,
+ $cnum);
+ my @selected_sections = &get_selected_sections();
+ my @selected_groups = &get_selected_groups();
+ #
+ # Deal with instructors with restricted section access
+ if ($env{'request.course.sec'} !~ /^\s*$/) {
+ @selected_sections = ($env{'request.course.sec'});
+ }
+ #
+ # Set up %StudentData
+ @StudentDataOrder = qw/fullname username domain id section status groups comments/;
+ foreach my $field (@StudentDataOrder) {
+ $StudentData{$field}->{'title'} = &mt($field);
+ $StudentData{$field}->{'base_width'} = length(&mt($field));
+ $StudentData{$field}->{'width'} =
+ $StudentData{$field}->{'base_width'};
+ }
+ #
+ # get the status requested
+ $enrollment_status = 'Active';
+ $enrollment_status = $env{'form.Status'} if (exists($env{'form.Status'}));
+ #
+ # Get groupmembership
+ my ($classgroups,$studentgroups);
+ my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
+ if (%curr_groups) {
+ ($classgroups,$studentgroups) =
+ &Apache::loncoursedata::get_group_memberships($classlist,
+ $field_names,
+ $cdom,$cnum);
+ }
+ my $now = time;
+
+ # Process the classlist
+ while (my ($student,$student_data) = each (%$classlist)) {
+ my $studenthash = ();
+ for (my $i=0; $i< scalar(@$field_names);$i++) {
+ my $field = $field_names->[$i];
+ # Store the data
+ $studenthash->{$field}=$student_data->[$i];
+ # Keep track of the width of the fields
+ next if (! exists($StudentData{$field}));
+ my $length = length($student_data->[$i]);
+ if ($StudentData{$field}->{'width'} < $length) {
+ $StudentData{$field}->{'width'} = $length;
+ }
+ }
+ my @studentsgroups = &Apache::loncoursedata::get_students_groups
+ ($student,$enrollment_status,
+ $classgroups);
+ if (@studentsgroups) {
+ $studenthash->{'groups'} = join(', ',@studentsgroups);
+ $studenthash->{'groupref'} = \@studentsgroups;
+ } else {
+ $studenthash->{'groups'} = 'none';
+ $studenthash->{'groupref'} = [];
+ }
+ push (@FullClasslist,$studenthash);
+ #
+ # Build up a list of sections
+ my $section = $studenthash->{'section'};
+ if (! defined($section) || $section =~/^\s*$/ || $section == -1) {
+ $studenthash->{'section'} = 'none';
+ $section = $studenthash->{'section'};
+ }
+ $Sections{$section}++;
+ #
+ # Only put in the list those students we are interested in
+ foreach my $sect (@selected_sections) {
+ if ( (($sect eq 'all') ||
+ ($section eq $sect)) &&
+ (($studenthash->{'status'} eq $enrollment_status) ||
+ ($enrollment_status eq 'Any'))
+ ){
+ my $groupcheck = 0;
+ if (grep(/^all$/,@selected_groups)) {
+ push(@Students,$studenthash);
+ last;
+ } elsif (grep(/^none$/,@selected_groups)) {
+ if ($studenthash->{'groups'} eq 'none') {
+ push(@Students,$studenthash);
+ last;
+ }
+ } else {
+ foreach my $group (@selected_groups) {
+ if (grep(/^$group$/,@studentsgroups)) {
+ push(@Students,$studenthash);
+ $groupcheck = 1;
+ last;
+ }
+ }
+ if ($groupcheck) {
+ last;
+ }
+ }
}
- else {
- for(my $n=0; $n<$PartNo; $n++) {
- if ($PtrTry ne '') {$PtrTry .= ',';}
- $PtrTry .= "0";
- $PtrCod .= "-";
- }
- }
}
}
- $Str .= "\n".'</table>';
- $r->print($Str);
- $r->rflush();
-}
-
-sub CreateTable {
- my ($Hd, $Hid)=@_;
- if ( $Hd == 1 ) {
-# $Hid=~/(\d+)\.(\d+)/;
- $r->print('<br><a href="'.$hash{'src_'.$Hid}.
- '" target="_blank">'.$hash{'title_'.$Hid}.'</a>'
-# .' ('.&Apache::lonnet::declutter($hash{'map_id_'.$1}).')'
- );
- }
- my $Result = "\n".'<table border=2>';
- $Result .= '<tr><th>P#</th>'."\n";
- for ( my $nIdx=0; $nIdx < 11; $nIdx++ ) {
- $Result .= '<th>'.'<input type="submit" name="sort" value="'.
- $Header{$nIdx}.'" />'.'</th>'."\n";
+ #
+ # Put the consolidated section data in the right place
+ if ($env{'request.course.sec'} !~ /^\s*$/) {
+ @Sections = ($env{'request.course.sec'});
+ } else {
+ @Sections = sort {
+ if ($a == $a && $b == $b ) { return $a <=> $b; }
+ return $a cmp $b;
+ } keys(%Sections);
+
+ unshift(@Sections,'all'); # Put 'all' at the front of the list
+ }
+ # Sort the groups
+ @Groups = sort {$a cmp $b} keys(%{$studentgroups});
+ unshift(@Groups,'all'); # Put 'all' at the front of the list
+
+ #
+ # Sort the Students
+ my $sortby = 'fullname';
+ $sortby = $env{'form.sort'} if (exists($env{'form.sort'}));
+ my @TmpStudents = sort { lc($a->{$sortby}) cmp lc($b->{$sortby}) ||
+ lc($a->{'fullname'}) cmp lc($b->{'fullname'}) ||
+ lc($a->{'username'}) cmp lc($b->{'username'}) } @Students;
+ @Students = @TmpStudents;
+ #
+ # Now deal with that current student thing....
+ $curr_student = undef;
+ if (exists($env{'form.SelectedStudent'})) {
+ my ($current_uname,$current_dom) =
+ split(':',$env{'form.SelectedStudent'});
+ my $i;
+ for ($i = 0; $i<=$#Students; $i++) {
+ next if (($Students[$i]->{'username'} ne $current_uname) ||
+ ($Students[$i]->{'domain'} ne $current_dom));
+ $curr_student = $Students[$i];
+ last; # If we get here, we have our student.
+ }
+ if (defined($curr_student)) {
+ if ($i == 0) {
+ $prev_student = undef;
+ } else {
+ $prev_student = $Students[$i-1];
+ }
+ if ($i == $#Students) {
+ $next_student = undef;
+ } else {
+ $next_student = $Students[$i+1];
+ }
+ }
}
- $Result .= "\n".'</tr>'."\n";
- $r->print( $Result );
- $r->rflush();
-}
-
-sub CloseTable {
- $r->print("\n".'</table>'."\n");
- $r->rflush();
-}
-
-# ------------------------------------------- Prepare Statistics Table
-sub PreStatTable {
- my $CacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
- "_$ENV{'user.domain'}_$cid\_statistics.db";
- my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
- "_$ENV{'user.domain'}_$cid\_graph.db";
- my $CachDisFac = "/home/httpd/perl/tmp/$ENV{'user.name'}".
- "_$ENV{'user.domain'}_$cid\_DiscFactor.db";
- my $OpSel11='';
- my $OpSel12='';
- my $OpSel13='';
- my $Status = $ENV{'form.status'};
- if ( $Status eq 'Any' ) { $OpSel13='selected'; }
- elsif ($Status eq 'Expired' ) { $OpSel12 = 'selected'; }
- else { $OpSel11 = 'selected'; }
-
- my $Ptr = '';
- $Ptr .= '<br><b> Student Status: </b>'."\n".
- '<select name="status">'.
- '<option '.$OpSel11.' >Active</option>'."\n".
- '<option '.$OpSel12.' >Expired</option>'."\n".
- '<option '.$OpSel13.' >Any</option> </select> '."\n";
- $Ptr .= ' ';
- $Ptr .= '<input type=submit name=sort value="Recalculate Statistics"/>'."\n";
-
- $Ptr .= '<br><b> Sorting Type: </b>'."\n".
- '<select name="order"> <option '.$OpSel1.' >Ascending</option>'."\n".
- '<option '.$OpSel2.'>Descending</option> </select> '."\n";
- $Ptr .= ' ';
- $Ptr .= '<input type="submit" name="sort" value="DoDiff Graph" />'."\n";
- $Ptr .= ' ';
- $Ptr .= '<input type="submit" name="sort" value="%Wrong Graph" />'."\n";
-
- $Ptr .= '<pre>'.
- ' #Stdnts: Total Number of Students opened the problem.<br>'.
- ' Tries : Total Number of Tries for solving the problem.<br>'.
- ' Mod : Maximunm Number of Tries for solving the problem.<br>'.
- ' Mean : Average Number of the tries. [ Tries / #Stdnts ]<br>'.
- ' #YES : Number of students solved the problem correctly.<br>'.
- ' #yes : Number of students solved the problem by override.<br>'.
- ' %Wrng : 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>'.
- ' DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]<br>'.
- ' S.D. : Standard Deviation of the tries.'.
- '[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'.
- ' where Xi denotes every student\'s tries ]<br>'.
- ' Skew. : Skewness of the students tries.'.
- ' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]<br>'.
-
-# ' Dis.F. : Discrimination Factor. [ Sum of Partial Credits Awarded / Total Number of Tries in %27 upper and lower students]</b>'.
- '</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(%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 {
- $r->print("Unable to tie hash to db file");
+ #
+ if (exists($env{'form.StudentData'})) {
+ @SelectedStudentData =
+ &Apache::loncommon::get_env_multiple('form.StudentData');
+ } else {
+ @SelectedStudentData = ('username');
+ }
+ foreach (@SelectedStudentData) {
+ if ($_ eq 'all') {
+ @SelectedStudentData = ('all');
+ last;
}
}
- #$r->print('Total instances of the problems : '.($p_count*($#students+1)));
-
- untie(%CachData);
- untie(%GraphDat);
- untie(%DiscFac);
+ #
+ return;
}
-# ------------------------------------- Find the section of student in a course
-
-sub usection {
- my ($udom,$unam,$courseid,$ActiveFlag)=@_;
- $courseid=~s/\_/\//g;
- $courseid=~s/^(\w)/\/$1/;
- foreach (split(/\&/,&Apache::lonnet::reply('dump:'.
- $udom.':'.$unam.':roles',
- &Apache::lonnet::homeserver($unam,$udom)))){
- my ($key,$value)=split(/\=/,$_);
- $key=&Apache::lonnet::unescape($key);
- if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) {
- my $section=$1;
- if ($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 $section;
+sub get_selected_sections {
+ my @selected_sections =
+ &Apache::loncommon::get_env_multiple('form.Section');
+ @selected_sections = ('all') if (! @selected_sections);
+ foreach (@selected_sections) {
+ if ($_ eq 'all') {
+ @selected_sections = ('all');
}
}
- return '-1';
+ #
+ # Deal with instructors with restricted section access
+ if ($env{'request.course.sec'} !~ /^\s*$/) {
+ @selected_sections = ($env{'request.course.sec'});
+ }
+ return @selected_sections;
}
-# ------ Dump the Student's DB file and handling the data for statistics table
+sub get_selected_groups {
+ my @selected_groups =
+ &Apache::loncommon::get_env_multiple('form.Group');
+ @selected_groups = ('all') if (! @selected_groups);
+ foreach my $grp (@selected_groups) {
+ if ($grp eq 'all') {
+ @selected_groups = ('all');
+ last;
+ }
+ }
+ return @selected_groups;
+}
+
-sub ExtractStudentData {
- 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.'___'.
- &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}";
- 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 .= $ptr.'*'.$ResId.'='.$DisF.'+'.$Yes;
- $ptr .= ":$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 = int(sprintf( "%.4f", $DisFac ) * 100);
- my $DisFactor = sprintf( "%.4f", $DisFac );
- my $time;
- if ($ProbSolved){
- $time = int(($TimeTot/$ProbSolved)-10000000);
- }
- $DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'.
- $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis;
-#$r->print($DisFactor.$sname.'<br> --- Dis= '.$Dis.'<br>');
- }
+sub section_and_enrollment_description {
+ my ($mode) = @_;
+ if (! defined($mode)) { $mode = 'localized'; }
+ my @sections = &Apache::lonstatistics::get_selected_sections();
+ my @groups = &Apache::lonstatistics::get_selected_groups();
+ my $description;
+ if ($mode eq 'localized') {
+ $description = &mt('Unable to determine section, groups and access status');
+ } elsif ($mode eq 'plaintext') {
+ $description = 'Unable to determine section, groups and access status';
+ } else {
+ $description = 'Bad parameter passed to lonstatistics::section_and_enrollment_description';
+ &Apache::lonnet::logthis($description);
+ }
+ $description = §ion_or_group_text($mode,'section',@sections).
+ ' '.§ion_or_group_text($mode,'group',@groups);
+ if ($mode eq 'localized') {
+ $description .= ' '.&mt($env{'form.Status'}.' access status.');
+ } elsif ($mode eq 'plaintext') {
+ $description .= ' '.$env{'form.Status'}.' access status.';
}
- #$r->print($sname.' PrCr= '.$TotParCr.' Slvd= '.$ProbSolved.' Tries='.$TotalTries.'<br>');
+ return $description;
}
-# ------------------------------------------------------------ Build page table
-sub tracetable {
- my ($rid,$beenhere)=@_;
- $rid=~/(\d+)\.(\d+)/;
- $maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid};
- #$maps{$HWN}=$hash{'title_'.$rid};
- unless ($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;
- $P_Order++;
- $HWN=$P_Order;
- $mapsort{$HWN} = $rid.':';
- #$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.'&');
- $cols[$#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 section_or_group_text {
+ my ($mode,$type,@items) = @_;
+ my $text;
+ my %phrases = ();
+ %{$phrases{'section'}} = (
+ single => 'Section',
+ all => 'All sections',
+ plural => 'Sections',
+ );
+ %{$phrases{'group'}} = (
+ single => 'Group',
+ all => 'All groups',
+ plural => 'Groups',
+ );
+ if (scalar(@items) == 1 && $items[0] ne 'all') {
+ if ($mode eq 'localized') {
+ $text = &mt($phrases{$type}{single}.' [_1].',$items[0]);
+ } elsif ($mode eq 'plaintext') {
+ $text = $phrases{$type}{single}.' '.$items[0].'.';
-sub MySort {
- if ( $Pos > 0 ) {
- if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;}
- else { $a <=> $b; }
- }
- else {
- if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;}
- else { $a cmp $b; }
+ }
+ } elsif (scalar(@items) && $items[0] eq 'all') {
+ if ($mode eq 'localized') {
+ $text = &mt($phrases{$type}{all}.'.');
+ } elsif ($mode eq 'plaintext') {
+ $text = $phrases{$type}{all}.'.';
+ }
+ } elsif (scalar(@items)) {
+ my $lastitem = pop(@items);
+ if ($mode eq 'localized') {
+ $text = &mt($phrases{$type}{plural}.' [_1] and [_2].',
+ join(', ',@items),$lastitem);
+ } elsif ($mode eq 'plaintext') {
+ $text = $phrases{$type}{plural}.' '.join(', ',@items).' and '.
+ $lastitem.'.';
+ }
}
+ return $text;
}
-sub Build_Statistics {
- $r->print(<<ENDPOP);
- <script>
- popwin=open('','popwin','width=400,height=100');
- popwin.document.writeln('<html><body bgcolor="#88CC88">'+
- '<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);
+sub get_students {
+ if (! @Students) {
+ &PrepareClasslist()
}
-#--------------------- close Progress Line
- $r->print('<script>popwin.close()</script>');
- $r->rflush();
-# -------------------- sorting the Data
- @list = sort (@list);
-
- $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);
+ return @Students;
+}
- $Temp = '<a href="'.$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;
+sub current_student {
+ return $curr_student;
+}
- $storestats{$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 );
- my $join = $PrOrd.':'.$Temp.':'.$StdNo.':'.
- $TotalTries.':'.$MxTries.':'.$Avg.':'.
- $YES.':'.$Override.':'.$Wrng.':'.$DoD.':'.
- $SD.':'.$Sk.':'.$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();
- }
-}
-sub Cache_Statistics {
- my @list = ();
- my $Useful;
- my $UnUseful;
- my %myHeader = reverse( %Header );
- $Pos = $myHeader{$ENV{'form.sort'}};
- if ($Pos > 0) {$Pos++;}
- $p_count = 0;
- foreach my $key( keys %CachData) {
- my @Temp=split(/\:/,$CachData{$key});
- if ( $Pos == 0 ) {
- ($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]);
- }
- else {
- $Useful = $Temp[$Pos];
- }
- $list[$p_count]=$Useful.'&'.$CachData{$key};
- $p_count++;
- }
-
- @list = sort MySort (@list);
-
- my $nIdx=0;
-
- 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 previous_student {
+ return $prev_student;
}
-sub TableRow {
- my ($Str,$Idx,$RealIdx)=@_;
- my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,
- $Override,$Wrng,$DoD,$SD,$Sk,$Prob)=split(/\:/,$Str);
- $r->print( "\n".'<tr>'.
- "\n".'<td>'.($RealIdx+1).'</td>'.
- "\n".'<td bgcolor="#FFFFFF">'.$Temp.'</td>'.
- "\n".'<td bgcolor="#EEFFDD"> '.$StdNo.'</td>'.
- "\n".'<td bgcolor="#EEFFDD">'.$TotalTries.'</td>'.
- "\n".'<td bgcolor="#EEFFDD">'.$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"> '.$Sk.'</td>'.
-# "\n".'<td>'.$res.'</td>'.
- "\n".'</tr>' );
- $GraphDat{$RealIdx}=$DoD.':'.$Wrng;
+
+
+sub next_student {
+ return $next_student;
}
-# ------------------------------------------- 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 {
- $r->print("Unable to tie hash to db file");
- }
+sub StudentDataSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '<select name="'.$elementname.'" ';
+ if ($status ne 'single') {
+ $Str .= 'multiple="multiple" ';
+ }
+ $Str .= 'size="'.$numvisible.'" >'."\n";
+ #
+ # Deal with 'all'
+ $Str .= ' <option value="all"';
+ foreach (@SelectedStudentData) {
+ if ($_ eq 'all') {
+ $Str .= ' selected="selected"';
+ last;
+ }
}
+ $Str .= '>'.&mt('all')."</option>\n";
+ #
+ # Loop through the student data fields
+ foreach my $item (@StudentDataOrder) {
+ $Str .= ' <option value="'.$item.'"';
+ foreach (@SelectedStudentData) {
+ if ($item eq $_ ) {
+ $Str .= ' selected="selected"';
+ last;
+ }
+ }
+ $Str .= '>'.&mt($item)."</option>\n";
+ }
+ $Str .= "</select>\n";
+ return $Str;
}
-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;
- $DiscFlag=0;
- $P_Order=100000;
- $HWN=$P_Order;
-}
+sub get_selected_maps {
+ my ($elementname) = @_;
+ my @selected_maps =
+ &Apache::loncommon::get_env_multiple('form.'.$elementname);
+ @selected_maps = ('all') if (! @selected_maps);
+ foreach my $map (@selected_maps) {
+ if ($map eq 'all') {
+ @selected_maps = ('all');
+ last;
+ }
+ }
+ return @selected_maps;
+}
-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;
- my $now=time;
- unless ($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 $active=1;
- my $Status=$ENV{'form.status'};
- $Status = ($Status) ? $Status : 'Active';
- if ( ( ($end) && $now > $end ) &&
- ( ($Status eq 'Active') ) ) { $active=0; }
- if ( ($Status eq 'Expired') &&
- ($end == 0 || $now < $end) ) { $active=0; }
- if ($active) {
- my $thisindex=$#students+1;
- $name=&Apache::lonnet::unescape($name);
- $students[$thisindex]=$name;
- my ($sname,$sdom)=split(/\:/,$name);
-
- #my %reply=&Apache::lonnet::idrget($sdom,$sname);
- #my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
- # ':environment:lastname&generation&firstname&middlename',
- # &Apache::lonnet::homeserver($sname,$sdom));
- my $ssec=&usection($sdom,$sname,$cid,$Status);
- if ($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;
-# foreach (sort keys %mapsort) {
-# $r->print('<br>'.$c.')'.$_.' ... '.$mapsort{$_});
-# $c++;
-# }
-#foreach(@cols) {
-# $c++;
-# $r->print('<br>'.$cols[$c]);
-#}
-#$r->print('<br> Count = '.$c);
+sub selected_sequences_with_assessments {
+ my ($mode) = @_;
+ $mode = 'selected' if (! defined($mode));
+ my $navmap = Apache::lonnavmaps::navmap->new();
+ if (!defined($navmap)) {
+ return ('Can not open Coursemap');
+ }
+ #
+ my @sequences = $navmap->retrieveResources(undef,
+ sub { shift->is_map(); },1,0,1);
+ my $toplevelseq = $navmap->getById('0.0');
+ if (!grep(/^\Q$toplevelseq\E$/,@sequences)) {
+ unshift(@sequences,$toplevelseq);
+ }
+
+ my @sequences_with_assessments;
+ foreach my $sequence (@sequences) {
+ if ($navmap->hasResource($sequence,sub { shift->is_problem(); },0,1)){
+ push(@sequences_with_assessments,$sequence);
+ }
}
+ #
+ my @sequences_to_show;
+ foreach my $sequence (@sequences_with_assessments) {
+ if ($mode eq 'all') {
+ push (@sequences_to_show,$sequence);
+ } elsif ($mode eq 'selected') {
+ foreach my $map_symb (&get_selected_maps('Maps')) {
+ if ($sequence->symb eq $map_symb || $map_symb eq 'all'){
+ push (@sequences_to_show,$sequence);
+ last; # Only put it in once
+ }
+ }
+ }
-# ------------------------------------------------------------- End render page
- else {
- $r->print('<h3>Undefined course sequence</h3>');
}
- &MapSecOptions();
+ return $navmap,@sequences_to_show;
}
-sub Menu {
- my $InpStr = $ENV{'form.sort'};
- if ( $InpStr eq 'DoDiff Graph' || $InpStr eq '%Wrong Graph' ) {
- &GetGraphData($InpStr);
- $r->print('<IMG src="/cgi-bin/graph.gif?'.$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>');
- $r->rflush();
+sub map_select {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Set up array of selected items
+ my @selected_maps = &get_selected_maps($elementname);
+ #
+ # Build the form element
+ my $form = "\n";
+ $form .= '<select name="'.$elementname.'" ';
+ if ($status ne 'single') {
+ $form .= 'multiple="multiple" ';
+ }
+ $form .= 'size="'.$numvisible.'" >'."\n";
+ #
+ # Put in option for 'all'
+ $form .= ' <option value="all"';
+ if ($selected_maps[0] eq 'all') {
+ $form .= ' selected="selected"';
+ }
+ $form .= ">all</option>\n";
+ #
+ # Loop through the sequences
+ my @sequences = &selected_sequences_with_assessments('all');
+ my $navmap;
+ if (!ref($sequences[0])) {
+ return $sequences[0];
+ } else {
+ $navmap = shift(@sequences);
+ }
+ foreach my $seq (@sequences){
+ $form .= ' <option value="'.$seq->symb.'"';
+ foreach (@selected_maps) {
+ if ($seq->symb eq $_) {
+ $form .= ' selected="selected"';
+ last;
+ }
+ }
+ $form .= '>'.$seq->compTitle."</option>\n";
}
+ $form .= "</select>\n";
+ return $form;
}
-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 );
- $r->rflush();
+
+sub SectionSelect {
+ my ($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="multiple" ';
+ }
+ $Str .= 'size="'.$numvisible.'" >'."\n";
+ #
+ # Loop through the sequences
+ foreach my $s (@Sections) {
+ $Str .= ' <option value="'.$s.'"';
+ foreach (&get_selected_sections()) {
+ if ($s eq $_) {
+ $Str .= ' selected="selected"';
+ last;
+ }
+ }
+ $Str .= '>'.$s."</option>\n";
+ }
+ $Str .= "</select>\n";
+ return $Str;
}
-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'; }
-
- my %myHeader = reverse( %Header );
- $Pos = $myHeader{$ENV{'form.sort'}};
- if ($Pos == 0) {
- $OpSel1 = 'selected';
- $ENV{'form.order'}='Ascendig';
- }
-
- $CurMap = $ENV{'form.maps'};
- if ( $CurMap eq '' ) {
- $CurMap = 'All Maps';
- $OpSel3 = 'selected';
- }
- $CurSec = $ENV{'form.section'};
- if ( $CurSec eq '' ) {
- $CurSec = 'All Sections';
- $OpSel4 = 'selected';
+sub GroupSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Make sure we have the data we need to continue
+ if (! @Groups) {
+ &PrepareClasslist();
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '<select name="'.$elementname.'" ';
+ if ($status ne 'single') {
+ $Str .= 'multiple="multiple" ';
+ }
+ $Str .= 'size="'.$numvisible.'" >'."\n";
+ #
+ # Loop through the groups
+ foreach my $s (@Groups) {
+ $Str .= ' <option value="'.$s.'"';
+ foreach my $group (&get_selected_groups()) {
+ if ($s eq $group) {
+ $Str .= ' selected="selected"';
+ last;
+ }
+ }
+ $Str .= '>'.$s."</option>\n";
}
+ $Str .= "</select>\n";
}
-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";
+
+
+sub DisplayClasslist {
+ my ($r)=@_;
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({text=>'Select One Student'});
+ #
+ # Output some of the standard interface components
+ my $Str;
+ $Str .= &Apache::lonhtmlcommon::breadcrumbs('Select One Student');
+ $Str .= '<p><table cellspacing="5">'."\n";
+ $Str .= '<tr>';
+ $Str .= '<th align="center"><b>'.&mt('Sections').'</b></th>';
+ $Str .= '<th align="center"><b>'.&mt('Groups').'</b></th>';
+ $Str .= '<th align="center"><b>'.&mt('Access Status').'</b></th>';
+ $Str .= '</tr>'.$/;
+ $Str .= '<tr>';
+ $Str .= '<td>'.
+ &Apache::lonstatistics::SectionSelect('Section','multiple',5).
+ '</td>';
+ $Str .= '<td>'.
+ &Apache::lonstatistics::GroupSelect('Group','multiple',5).
+ '</td>';
+ $Str .= '<td>'.
+ &Apache::lonhtmlcommon::StatusOptions(undef,undef,5).
+ '</td>';
+
+ $Str .= '</tr>'.$/;
+ $Str .= '</table></p>';
+ $Str .= '<input type="submit" name="selectstudent" value="'.
+ &mt('Update Display').'" />';
+ $r->print($Str);
+ $r->rflush();
+ #
+ my @Fields = ('fullname','username','domain','id','section','status','groups');
+ #
+ $Str = '';
+ my @selected_sections = &get_selected_sections();
+ if (! @Students) {
+ if ($selected_sections[0] eq 'all') {
+ if (lc($env{'form.Status'}) eq 'active') {
+ $Str .= '<p class="LC_info">'.
+ &mt('There are no currently enrolled students in the course.').
+ '</p>';
+ } elsif (lc($env{'form.Status'}) eq 'expired') {
+ $Str .= '<p class="LC_info">'.
+ &mt('There are no previously enrolled students in the course.').
+ '</p>';
+ } elsif (lc($env{'form.Status'}) eq 'future') {
+ $Str .= '<p class="LC_info">'.
+ &mt('There are no students with future access in the course.').
+ '</p>';
+ } else { # 'any' and any others
+ $Str .= '<p class="LC_info">'.
+ &mt('There are no students in the course.').
+ '</p>';
+ }
+ } else {
+ if (lc($env{'form.Status'}) eq 'active') {
+ $Str .= '<p class="LC_info">'.
+ &mt('There are no currently enrolled students in the selected sections.').
+ '</p>';
+ } elsif (lc($env{'form.Status'}) eq 'expired') {
+ $Str .= '<p class="LC_info">'.
+ &mt('There are no previously enrolled students in the selected sections.').
+ '</p>';
+ } elsif (lc($env{'form.Status'}) eq 'future') {
+ $Str .= '<p class="LC_info">'.
+ &mt('There are no students with future access in the selected sections.').
+ '</p>';
+ } else { # 'any' and any others
+ $Str .= '<p class="LC_info">'.
+ &mt('There are no students in the selected sections.').
+ '</p>';
+ }
+ }
+ $Str.= '<p>'
+ .'<a href="/adm/statistics?reportSelected=student_assessment">'
+ .&mt('Return to the chart').'</a>'
+ .'</p>';
+ $r->print($Str);
+ $r->rflush();
+ return;
}
- $Ptr .= '</select>'."\n";
- $r->print( $Ptr );
+ $Str .= '<h2>'.&mt('Select One Student').'</h2>'
+ .'<p>'.&mt("Click on a student's name or username to view their chart.").'</p>'
+ .&Apache::loncommon::start_data_table()
+ .&Apache::loncommon::start_data_table_header_row();
+ foreach my $field (@Fields) {
+ $Str .= '<th><a href="/adm/statistics?'.
+ 'reportSelected=student_assessment&'.
+ 'selectstudent=1&'.
+ 'sort='.$field.'">'.&mt($field).
+ '</a></th>';
+ }
+ $Str .= &Apache::loncommon::end_data_table_header_row();
+ #
+ foreach my $student (@Students) { # @Students is a package variable
+ my $sname = $student->{'username'}.':'.$student->{'domain'};
+ $Str .= &Apache::loncommon::start_data_table_row();
+ #
+ foreach my $field (@Fields) {
+ $Str .= '<td>';
+ if ($field eq 'fullname' || $field eq 'username') {
+ $Str .= '<a href="/adm/statistics?reportSelected=';
+ $Str .= &escape('student_assessment');
+ $Str .= '&sort='.&escape($env{'form.sort'});
+ $Str .= '&SelectedStudent=';
+ $Str .= &escape($sname).'">';
+ $Str .= $student->{$field};
+ $Str .= '</a>';
+ } elsif ($field eq 'status') {
+ $Str .= &mt($student->{$field});
+ } else {
+ if ($student->{$field} eq 'none') {
+ $Str .= &mt('none')
+ } else {
+ $Str .= $student->{$field};
+ }
+ }
+ $Str .= '</td>';
+ }
+ $Str .= &Apache::loncommon::end_data_table_row();
+ }
+ $Str .= &Apache::loncommon::end_data_table();
+ #
+ $r->print($Str);
$r->rflush();
+ #
+ return;
}
-# ================================================================ Main Handler
-sub handler {
- $r=shift;
+sub CreateMainMenu {
+ #
+ # Define menu data
+ my @reports = (
+ {categorytitle => 'Statistics and Analyses',
+ items => [
+ {url => '/adm/statistics?reportSelected=problem_statistics',
+ permission => 'F',
+ icon => 'document-open.png',
+ linktext => ('Overall Problem Statistics'),
+ linktitle => ('Student performance statistics on all problems.')},
+
+ {url => '/adm/statistics?reportSelected=problem_analysis',
+ permission => 'F',
+ icon => 'prob_ana.png',
+ linktext => ('Detailed Problem Analysis'),
+ linktitle => ('Detailed statistics and graphs of student performance on problems.')},
+ ]},
+ {categorytitle => 'Plots',
+ items => [
+ {url => '/adm/statistics?reportSelected=submissiontime_analysis',
+ permission => 'F',
+ icon => 'subtimpl.png',
+ linktext => ('Submission Time Plots'),
+ linktitle => ('Display and analysis of submission times on assessments.')},
+
+ {url => '/adm/statistics?reportSelected=correct_problems_plot',
+ permission => 'F',
+ icon => 'coprplot.png',
+ linktext => ('Correct Problems Plot'),
+ linktitle => ('Display a histogram of student performance in the course.')},
+ ]},
+ {categorytitle => 'Reports',
+ items => [
+ {url => '/adm/statistics?reportSelected=student_submission_reports',
+ permission => 'F',
+ icon => 'edit-copy.png',
+ linktext => ('Student Submission Reports'),
+ linktitle => ('Prepare reports of student submissions.')},
+
+ {url => '/adm/statistics?reportSelected=survey_reports',
+ permission => 'F',
+ icon => 'survey_rep.png',
+ linktext => ('Survey Reports'),
+ linktitle => ('Prepare reports on survey results.')},
+ ]});
+
+return &Apache::lonhtmlcommon::generate_menu(@reports);
+
+}
+
- if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
-# ------------------------------------------- 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');
- }
- $r->send_http_header;
- return OK;
- }
- 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'}=
- $r->uri.":vgr:0:0:Cannot view grades for complete course";
- return HTTP_NOT_ACCEPTABLE;
+sub handler {
+ my $r=shift;
+ my $c = $r->connection();
+ #
+ # Check for access
+ if (! &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) {
+ $env{'user.error.msg'}=
+ $r->uri.":vgr:0:0:Cannot view grades for complete course";
+ if (! &Apache::lonnet::allowed('vgr',
+ $env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
+ $env{'user.error.msg'}=
+ $r->uri.":vgr:0:0:Cannot view grades with given role";
+ return HTTP_NOT_ACCEPTABLE;
+ }
+ }
+ #
+ # Send the header
+ &Apache::loncommon::no_cache($r);
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ if ($r->header_only) { return OK; }
+ #
+ # Extract form elements from query string
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['sort','reportSelected',
+ 'SelectedStudent']);
+ #
+ # Give the LON-CAPA page header
+ my $style = <<ENDSTYLE;
+<style type="text/css">
+ ul.sub_studentans { list-style-type: none }
+ ul.sub_correctans { list-style-type: none }
+ tr.even { background-color: \#CCCCCC }
+ td.essay { border: 1px solid gray; }
+</style>
+ENDSTYLE
+
+ $r->print(&Apache::loncommon::start_page('Course Statistics and Charts',
+ $style));
+ $r->rflush();
+ #
+ # Either print out a menu for them or send them to a report
+ &Apache::lonhtmlcommon::clear_breadcrumbs();
+ &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/statistics',
+ title=>'Statistics',
+ text =>'Statistics',
+ faq=>139,
+ bug=>'Statistics and Charts'});
+ if (! exists($env{'form.reportSelected'}) ||
+ $env{'form.reportSelected'} eq '') {
+ $r->print(&Apache::lonhtmlcommon::breadcrumbs('Statistics Main Page'));
+ &Apache::lonquickgrades::startGradeScreen($r,'statistics');
+ $r->print(&CreateMainMenu());
+ } else {
+ #
+ if (! &Apache::lonmysql::verify_sql_connection()) {
+ my $serveradmin = $r->dir_config('lonAdmEMail');
+ $r->print('<p class="LC_error">'.
+ &mt('Unable to connect to database!').
+ '</p>');
+ $r->print('<p>'
+ .&mt('Please notify the server administrator [_1]',
+ ,'<b>'.$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>');
+ $r->print(&Apache::loncommon::end_page());
+ return;
+ }
+ #
+ # Clean out the caches
+ if (exists($env{'form.ClearCache'})) {
+ &Apache::loncoursedata::delete_caches($env{'requres.course.id'});
+ }
+ #
+ my $GoToPage = $env{'form.reportSelected'};
+ #
+ # Begin form output
+ $r->print('<form name="Statistics" ');
+ if ($GoToPage eq 'student_submission_reports') {
+ $r->print('onsubmit="return checkanon();" ');
+ }
+ $r->print('method="post" action="/adm/statistics">');
+ $r->rflush();
+ $r->print('<input type="hidden" name="reportSelected" value="'.
+ $GoToPage.'" />');
+ if($GoToPage eq 'activitylog') {
+# &Apache::lonproblemstatistics::Activity();
+ } elsif($GoToPage eq 'problem_statistics') {
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>'/adm/statistics?reportselected=problem_statistics',
+ text=>'Overall Problem Statistics'});
+ &Apache::lonproblemstatistics::BuildProblemStatisticsPage($r,$c);
+ } elsif($GoToPage eq 'problem_analysis') {
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>'/adm/statistics?reportselected=problem_analysis',
+ text=>'Detailed Problem Analysis'});
+ &Apache::lonproblemanalysis::BuildProblemAnalysisPage($r,$c);
+ } elsif($GoToPage eq 'submissiontime_analysis') {
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>
+ '/adm/statistics?reportselected=submissiontime_analysis',
+ text=>'Submission Time Plots'});
+ &Apache::lonsubmissiontimeanalysis::BuildSubmissionTimePage($r,$c);
+ } elsif($GoToPage eq 'student_submission_reports') {
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>
+ '/adm/statistics?reportselected=student_submission_reports',
+ text=>'Student Submission Reports'});
+ &Apache::lonstudentsubmissions::BuildStudentSubmissionsPage($r,$c);
+ } elsif($GoToPage eq 'survey_reports') {
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>
+ '/adm/statistics?reportselected=survey_reports',
+ text=>'Survey Reports'});
+ &Apache::lonsurveyreports::BuildSurveyReportsPage($r,$c);
+ } elsif($GoToPage eq 'correct_problems_plot') {
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>'/adm/statistics?reportselected=correct_problems_plot',
+ text=>'Correct Problems Plot'});
+ &Apache::loncorrectproblemplot::BuildCorrectProblemsPage($r,$c);
+ } elsif($GoToPage eq 'student_assessment') {
+ &Apache::lonhtmlcommon::clear_breadcrumbs();
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>'/adm/statistics?reportselected=student_assessment',
+ text=>'Chart'});
+ &Apache::lonstudentassessment::BuildStudentAssessmentPage($r,$c);
+ } elsif($GoToPage eq 'grading_analysis') {
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>'/adm/statistics?reportselected=grading_anaylsis',
+ text=>'Grading Analysis'});
+ &Apache::longradinganalysis::build_grading_analysis_page($r,$c);
+ }
+ #
+ $r->print("</form>\n");
}
+ &Apache::lonquickgrades::endGradeScreen($r);
+ $r->print(&Apache::loncommon::end_page());
+ $r->rflush();
+ #
+ return OK;
}
+
1;
+
__END__
+=pod
+
+=head1 NAME
+
+lonstatistics
+
+=head1 SYNOPSIS
+
+Main handler for statistics and chart.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+
+=head1 PACKAGE VARIABLES
+
+=over
+
+=item @FullClasslist The full classlist
+
+=item @Students The students we are concerned with for this invocation
+
+=item @Sections The sections available in this class
+
+=item @Groups The groups available in the class
+
+=item $curr_student The student currently being examined
+
+=item $prev_student The student previous in the classlist
+
+=item $next_student The student next in the classlist
+
+=back
+
+=head1 SUBROUTINES
+
+=over
+
+=item &clear_classlist_variables()
+
+undef the following package variables:
+
+=over 4
+
+=item * @FullClasslist
+
+=item * @Students
+
+=item * @Sections
+
+=item * @Groups
+
+=item * %StudentData
+
+=item * @StudentDataOrder
+
+=item * @SelectedStudentData
+
+=item * $curr_student
+
+=item * $prev_student
+
+=item * $next_student
+
+=back
+
+=item &PrepareClasslist()
+
+Build up the classlist information. The classlist information is kept in
+the following package variables:
+
+=over 4
+
+=item * @FullClasslist
+
+=item * @Students
+
+=item * @Sections
+
+=item * @Groups
+
+=item * %StudentData
+
+=item * @SelectedStudentData
+
+=item * $curr_student
+
+=item * $prev_student
+
+=item * $next_student
+
+=back
+
+$curr_student, $prev_student, and $next_student may not be defined, depending
+upon the calling context.
+
+=item get_selected_sections()
+
+Returns an array of the selected sections
+
+=item get_selected_groups()
+
+Returns an array of the selected groups
+
+=item §ion_and_enrollment_description()
+
+Returns a string describing the currently selected section(s), group(s) and
+access status.
+
+Inputs: mode = 'plaintext' or 'localized' (defaults to 'localized')
+ 'plaintext' is used for example in Excel spreadsheets.
+Returns: scalar description string.
+
+=item section_or_group_text()
+
+=item get_students()
+
+Returns a list of the selected students
+
+=item ¤t_student()
+
+Returns a pointer to a hash containing data about the currently
+selected student.
+
+=item &previous_student()
+
+Returns a pointer to a hash containing data about the student prior
+in the list of students. Or something.
+
+=item &next_student()
+
+Returns a pointer to a hash containing data about the next student
+to be viewed.
+
+=item &StudentDataSelect($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 * $numvisible The number of options to be visible
+
+=back
+
+=item &get_selected_maps($elementname)
+
+Input: Name of the <select> form element used to specify the maps.
+
+Returns: Array of symbs of selected maps or the description 'all'.
+ If form.$elementname does not exist, 'all' is returned.
+
+=item &selected_sequences_with_assessments()
+
+Retrieve the sequences which were selected by the user to show.
+
+Input: $mode: scalar. Either 'selected' or 'all'. If not specified,
+ 'selected' is used.
+
+Returns: an array containing a navmap object and navmap resources,
+ or an array containing a scalar with an error message.
+
+=item &map_select($elementname,$status,$numvisible,$restriction)
+
+Returns html for a selection box allowing the user to choose one (or more)
+of the sequences in the course. The values of the sequences are the symbs.
+If the top sequence is selected, the value 'top' will result.
+
+=over 4
+
+=item * $elementname The name of the HTML form element
+
+=item * $status 'multiple' or 'single' selection box
+
+=item * $numvisible The number of options to be visible
+
+=back
+
+=item &SectionSelect($elementname,$status,$numvisible)
+
+Returns html for a selection box allowing the user to choose one (or more)
+of the sections in the course.
+
+Uses the package variables @Sections
+
+=over 4
+
+=item * $elementname The name of the HTML form element
+
+=item * $status 'multiple' or 'single' selection box
+
+=item * $numvisible The number of options to be visible
+
+=back
+
+=item &GroupSelect($elementname,$status,$numvisible)
+
+Returns html for a selection box allowing the user to choose one (or more)
+of the groups in the course.
+
+Uses the package variables @Groups
+
+=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
+
+=item CreateMainMenu()
+
+=back
+=cut