--- loncom/interface/lonstatistics.pm 2002/08/14 20:42:48 1.46
+++ loncom/interface/lonstatistics.pm 2004/06/24 19:36:16 1.107
@@ -1,7 +1,6 @@
# The LearningOnline Network with CAPA
-# (Publication Handler
#
-# $Id: lonstatistics.pm,v 1.46 2002/08/14 20:42:48 stredwic Exp $
+# $Id: lonstatistics.pm,v 1.107 2004/06/24 19:36:16 matthew Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -26,614 +25,1254 @@
# http://www.lon-capa.org/
#
# (Navigate problems for statistical reports
-# YEAR=2001
-# 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei
-# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei
-# YEAR=2002
-# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei
-# 5/12,5/14,5/15,5/19,5/26,7/16,25/7,29/7 Behrouz Minaei
#
###
-package Apache::lonstatistics;
+=pod
+
+=head1 NAME
+
+lonstatistics
+
+=head1 SYNOPSIS
+
+Main handler for statistics and chart.
+
+=over 4
+
+=cut
+
+package Apache::lonstatistics;
use strict;
use Apache::Constants qw(:common :http);
+use vars qw(
+ @FullClasslist
+ @Students
+ @Sections
+ @SelectedSections
+ %StudentData
+ @StudentDataOrder
+ @SelectedStudentData
+ $top_map
+ @Sequences
+ @SelectedMaps
+ @Assessments
+ $enrollment_status);
+
use Apache::lonnet();
use Apache::lonhomework;
use Apache::loncommon;
use Apache::loncoursedata;
use Apache::lonhtmlcommon;
-use Apache::lonproblemanalysis;
-use Apache::lonproblemstatistics;
-use Apache::lonstudentassessment;
-use HTML::TokeParser;
-use GDBM_File;
+use Apache::lonmysql;
+use Apache::lonlocal;
+use Time::HiRes;
+#
+# Statistics Packages
+use Apache::lonproblemanalysis();
+use Apache::lonsubmissiontimeanalysis();
+use Apache::loncorrectproblemplot();
+use Apache::lonproblemstatistics();
+use Apache::lonstudentassessment();
+use Apache::lonpercentage;
+use Apache::lonstudentsubmissions();
+use Apache::lonsurveyreports();
+#######################################################
+#######################################################
-sub CheckFormElement {
- my ($cache, $ENVName, $cacheName, $default)=@_;
-
- if(defined($ENV{'form.'.$ENVName})) {
- $cache->{$cacheName} = $ENV{'form.'.$ENVName};
- } elsif(!defined($cache->{$cacheName})) {
- $cache->{$cacheName} = $default;
- }
+=pod
- return;
-}
+=item Package Variables
-sub ProcessFormData{
- my ($cache)=@_;
+=item @FullClasslist The full classlist
- $cache->{'reportKey'} = 'false';
+=item @Students The students we are concerned with for this invocation
- &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
- ['sort','download',
- 'reportSelected',
- 'StudentAssessmentStudent',
- 'ProblemStatisticsSort']);
- &CheckFormElement($cache, 'Status', 'Status', 'Active');
- &CheckFormElement($cache, 'postdata', 'reportSelected', 'Class list');
- &CheckFormElement($cache, 'reportSelected', 'reportSelected',
- 'Class list');
- $cache->{'reportSelected'} =
- &Apache::lonnet::unescape($cache->{'reportSelected'});
- &CheckFormElement($cache, 'DownloadAll', 'DownloadAll', 'false');
- &CheckFormElement($cache, 'sort', 'sort', 'fullname');
- &CheckFormElement($cache, 'download', 'download', 'false');
- &CheckFormElement($cache, 'StatisticsMaps',
- 'StatisticsMaps', 'All Maps');
- if(defined($ENV{'form.Section'})) {
- my @sectionsSelected = (ref($ENV{'form.Section'}) ?
- @{$ENV{'form.Section'}} :
- ($ENV{'form.Section'}));
- $cache->{'sectionsSelected'} = join(':', @sectionsSelected);
- } elsif(!defined($cache->{'sectionsSelected'})) {
- $cache->{'sectionsSelected'} = $cache->{'sectionList'};
- }
-
- # student assessment
- if(defined($ENV{'form.CreateStudentAssessment'}) ||
- defined($ENV{'form.NextStudent'}) ||
- defined($ENV{'form.PreviousStudent'})) {
- $cache->{'reportSelected'} = 'Student Assessment';
- }
- if(defined($ENV{'form.NextStudent'})) {
- $cache->{'StudentAssessmentMove'} = 'next';
- } elsif(defined($ENV{'form.PreviousStudent'})) {
- $cache->{'StudentAssessmentMove'} = 'previous';
- } else {
- $cache->{'StudentAssessmentMove'} = 'selected';
- }
- &CheckFormElement($cache, 'StudentAssessmentStudent',
- 'StudentAssessmentStudent', 'All Students');
- $cache->{'StudentAssessmentStudent'} =
- &Apache::lonnet::unescape($cache->{'StudentAssessmentStudent'});
- &CheckFormElement($cache, 'DefaultColumns', 'DefaultColumns', 'false');
-
- # Problem analysis
- &CheckFormElement($cache, 'Interval', 'Interval', '1');
-
- # ProblemStatistcs
- &CheckFormElement($cache, 'DisplayCSVFormat',
- 'DisplayFormat', 'Display Table Format');
- &CheckFormElement($cache, 'ProblemStatisticsAscend',
- 'ProblemStatisticsAscend', 'Ascending');
- &CheckFormElement($cache, 'ProblemStatisticsSort',
- 'ProblemStatisticsSort', 'Homework Sets Order');
- &CheckFormElement($cache, 'DisplayLegend', 'DisplayLegend', 'Hide Legend');
- &CheckFormElement($cache, 'SortProblems', 'SortProblems',
- 'Sort Within Sequence');
-
- # Search only form elements
- my @headingColumns=();
- my @sequenceColumns=();
- my $foundColumn = 0;
- if(defined($ENV{'form.ReselectColumns'})) {
- my @reselected = (ref($ENV{'form.ReselectColumns'}) ?
- @{$ENV{'form.ReselectColumns'}}
- : ($ENV{'form.ReselectColumns'}));
- foreach (@reselected) {
- if(/HeadingColumn/) {
- push(@headingColumns, $_);
- $foundColumn = 1;
- } elsif(/SequenceColumn/) {
- push(@sequenceColumns, $_);
- $foundColumn = 1;
- }
- }
- }
-
- $cache->{'reportKey'} = 'false';
- if($cache->{'reportSelected'} eq 'Analyze') {
- $cache->{'reportKey'} = 'Analyze';
- } elsif($cache->{'reportSelected'} eq 'DoDiffGraph') {
- $cache->{'reportKey'} = 'DoDiffGraph';
- } elsif($cache->{'reportSelected'} eq 'PercentWrongGraph') {
- $cache->{'reportKey'} = 'PercentWrongGraph';
- }
-
- if(defined($ENV{'form.DoDiffGraph'})) {
- $cache->{'reportSelected'} = 'DoDiffGraph';
- $cache->{'reportKey'} = 'DoDiffGraph';
- } elsif(defined($ENV{'form.PercentWrongGraph'})) {
- $cache->{'reportSelected'} = 'PercentWrongGraph';
- $cache->{'reportKey'} = 'PercentWrongGraph';
- }
-
- foreach (keys(%ENV)) {
- if(/form\.Analyze/) {
- $cache->{'reportSelected'} = 'Analyze';
- $cache->{'reportKey'} = 'Analyze';
- my $data;
- (undef, $data)=split(':::', $_);
- $cache->{'AnalyzeInfo'}=$data;
- } elsif(/form\.HeadingColumn/) {
- my $value = $_;
- $value =~ s/form\.//;
- push(@headingColumns, $value);
- $foundColumn=1;
- } elsif(/form\.SequenceColumn/) {
- my $value = $_;
- $value =~ s/form\.//;
- push(@sequenceColumns, $value);
- $foundColumn=1;
- }
- }
-
- if($foundColumn) {
- $cache->{'HeadingsFound'} = join(':', @headingColumns);
- $cache->{'SequencesFound'} = join(':', @sequenceColumns);;
- }
- if(!defined($cache->{'HeadingsFound'}) ||
- $cache->{'DefaultColumns'} ne 'false') {
- $cache->{'HeadingsFound'}='HeadingColumnFull Name';
- }
- if(!defined($cache->{'SequencesFound'}) ||
- $cache->{'DefaultColumns'} ne 'false') {
- $cache->{'SequencesFound'}='All Sequences';
- }
- $cache->{'DefaultColumns'} = 'false';
+=item @Sections The sections available in this class
- return;
-}
+=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
+
+=over
+
+=cut
+
+#######################################################
+#######################################################
+#
+# Classlist variables
+#
+my $curr_student;
+my $prev_student;
+my $next_student;
+
+#######################################################
+#######################################################
=pod
-=item &SortStudents()
+=item &clear_classlist_variables()
-Determines which students to display and in which order. Which are
-displayed are determined by their status(active/expired). The order
-is determined by the sort button pressed (default to username). The
-type of sorting is username, lastname, or section.
+undef the following package variables:
-=over 4
+=over
+
+=item @FullClasslist
+
+=item @Students
+
+=item @Sections
-Input: $students, $CacheData
+=item @SelectedSections
-$students: A array pointer to a list of students (username:domain)
+=item %StudentData
-$CacheData: A pointer to the hash tied to the cached data
+=item @StudentDataOrder
-Output: \@order
+=item @SelectedStudentData
-@order: An ordered list of students (username:domain)
+=item $curr_student
+
+=item $prev_student
+
+=item $next_student
=back
=cut
-sub SortStudents {
- my ($cache)=@_;
+#######################################################
+#######################################################
+sub clear_classlist_variables {
+ undef(@FullClasslist);
+ undef(@Students);
+ undef(@Sections);
+ undef(@SelectedSections);
+ undef(%StudentData);
+ undef(@SelectedStudentData);
+ undef($curr_student);
+ undef($prev_student);
+ undef($next_student);
+}
+
+#######################################################
+#######################################################
- my @students = split(':::',$cache->{'NamesOfStudents'});
- my @sorted1Students=();
- foreach (@students) {
- if($cache->{'Status'} eq 'Any' ||
- $cache->{$_.':Status'} eq $cache->{'Status'}) {
- push(@sorted1Students, $_);
+=pod
+
+=item &PrepareClasslist()
+
+Build up the classlist information. The classlist information is kept in
+the following package variables:
+
+=over
+
+=item @FullClasslist
+
+=item @Students
+
+=item @Sections
+
+=item @SelectedSections
+
+=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.
+
+=cut
+
+#######################################################
+#######################################################
+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($cid,
+ $cdom,$cnum);
+ if (exists($ENV{'form.Section'})) {
+ if (ref($ENV{'form.Section'})) {
+ @SelectedSections = @{$ENV{'form.Section'}};
+ } elsif ($ENV{'form.Section'} !~ /^\s*$/) {
+ @SelectedSections = ($ENV{'form.Section'});
+ }
+ }
+ @SelectedSections = ('all') if (! @SelectedSections);
+ foreach (@SelectedSections) {
+ if ($_ eq 'all') {
+ @SelectedSections = ('all');
+ }
+ }
+ #
+ # Deal with instructors with restricted section access
+ if ($ENV{'request.course.sec'} !~ /^\s*$/) {
+ @SelectedSections = ($ENV{'request.course.sec'});
+ }
+ #
+ # Set up %StudentData
+ @StudentDataOrder = qw/fullname username domain id section status/;
+ foreach my $field (@StudentDataOrder) {
+ $StudentData{$field}->{'title'} = $field;
+ $StudentData{$field}->{'base_width'} = length($field);
+ $StudentData{$field}->{'width'} =
+ $StudentData{$field}->{'base_width'};
+ }
+ #
+ # get the status requested
+ $enrollment_status = 'Active';
+ $enrollment_status = $ENV{'form.Status'} if (exists($ENV{'form.Status'}));
+ #
+ # Process the classlist
+ while (my ($student,$student_data) = each (%$classlist)) {
+ my $studenthash = ();
+ for (my $i=0; $i< scalar(@$field_names);$i++) {
+ my $field = $field_names->[$i];
+ # Store the data
+ $studenthash->{$field}=$student_data->[$i];
+ # Keep track of the width of the fields
+ next if (! exists($StudentData{$field}));
+ my $length = length($student_data->[$i]);
+ if ($StudentData{$field}->{'width'} < $length) {
+ $StudentData{$field}->{'width'} = $length;
+ }
+ }
+ push (@FullClasslist,$studenthash);
+ #
+ # Build up a list of sections
+ my $section = $studenthash->{'section'};
+ if (! defined($section) || $section =~/^\s*$/ || $section == -1) {
+ $studenthash->{'section'} = 'none';
+ $section = $studenthash->{'section'};
+ }
+ $Sections{$section}++;
+ #
+ # Only put in the list those students we are interested in
+ foreach my $sect (@SelectedSections) {
+ if ( (($sect eq 'all') ||
+ ($section eq $sect)) &&
+ (($studenthash->{'status'} eq $enrollment_status) ||
+ ($enrollment_status eq 'Any'))
+ ){
+ push (@Students,$studenthash);
+ last;
+ }
+ }
+ }
+ #
+ # Put the consolidated section data in the right place
+ if ($ENV{'request.course.sec'} !~ /^\s*$/) {
+ @Sections = ($ENV{'request.course.sec'});
+ } else {
+ @Sections = sort {$a cmp $b} keys(%Sections);
+ unshift(@Sections,'all'); # Put 'all' at the front of the list
+ }
+ #
+ # Sort the Students
+ my $sortby = 'fullname';
+ $sortby = $ENV{'form.sort'} if (exists($ENV{'form.sort'}));
+ my @TmpStudents = sort { $a->{$sortby} cmp $b->{$sortby} ||
+ $a->{'fullname'} cmp $b->{'fullname'} } @Students;
+ @Students = @TmpStudents;
+ #
+ # Now deal with that current student thing....
+ $curr_student = undef;
+ if (exists($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];
+ }
+ }
+ }
+ #
+ if (exists($ENV{'form.StudentData'})) {
+ if (ref($ENV{'form.StudentData'}) eq 'ARRAY') {
+ @SelectedStudentData = @{$ENV{'form.StudentData'}};
+ } else {
+ @SelectedStudentData = ($ENV{'form.StudentData'});
}
+ } else {
+ @SelectedStudentData = ('username');
}
+ foreach (@SelectedStudentData) {
+ if ($_ eq 'all') {
+ @SelectedStudentData = ('all');
+ last;
+ }
+ }
+ #
+ return;
+}
+
+
+#######################################################
+#######################################################
+
+=pod
- my $sortBy = '';
- if(defined($cache->{'sort'})) {
- $sortBy = ':'.$cache->{'sort'};
+=item get_students
+
+Returns a list of the selected students
+
+=cut
+
+#######################################################
+#######################################################
+sub get_students {
+ if (! @Students) {
+ &PrepareClasslist()
}
- my @order = sort { $cache->{$a.$sortBy} cmp $cache->{$b.$sortBy} ||
- $cache->{$a.':fullname'} cmp $cache->{$b.':fullname'} }
- @sorted1Students;
+ return @Students;
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=item ¤t_student()
- return \@order;
+Returns a pointer to a hash containing data about the currently
+selected student.
+
+=cut
+
+#######################################################
+#######################################################
+sub current_student {
+ return $curr_student;
}
+#######################################################
+#######################################################
+
=pod
-=item &SpaceColumns()
+=item &previous_student()
-Determines the width of all the columns in the chart. It is based on
-the max of the data for that column and its header.
+Returns a pointer to a hash containing data about the student prior
+in the list of students. Or something.
-=over 4
+=cut
-Input: $students, $studentInformation, $headings, $ChartDB
+#######################################################
+#######################################################
+sub previous_student {
+ return $prev_student;
+}
-$students: An array pointer to a list of students (username:domain)
+#######################################################
+#######################################################
-$studentInformatin: The type of data for the student information. It is
-used as part of the key in $CacheData.
+=pod
-$headings: The name of the student information columns.
+=item &next_student()
-$ChartDB: The name of the cache database which is opened for read/write.
+Returns a pointer to a hash containing data about the next student
+to be viewed.
-Output: None - All data stored in cache.
+=cut
-=back
+#######################################################
+#######################################################
+sub next_student {
+ return $next_student;
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=item &clear_sequence_variables()
+
+=cut
+
+#######################################################
+#######################################################
+sub clear_sequence_variables {
+ undef($top_map);
+ undef(@Sequences);
+ undef(@Assessments);
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=item &SetSelectedMaps($elementname)
+
+Sets the @SelectedMaps array from $ENV{'form.'.$elementname};
=cut
-sub SpaceColumns {
- my ($students,$studentInformation,$headings,$cache)=@_;
+#######################################################
+#######################################################
+sub SetSelectedMaps {
+ my $elementname = shift;
+ if (exists($ENV{'form.'.$elementname})) {
+ if (ref($ENV{'form.'.$elementname})) {
+ @SelectedMaps = @{$ENV{'form.'.$elementname}};
+ } else {
+ @SelectedMaps = ($ENV{'form.'.$elementname});
+ }
+ } else {
+ @SelectedMaps = ('all');
+ }
+}
- # Initialize Lengths
- for(my $index=0; $index<(scalar @$headings); $index++) {
- my @titleLength=split(//,$headings->[$index]);
- $cache->{$studentInformation->[$index].':columnWidth'}=
- scalar @titleLength;
- }
-
- foreach my $name (@$students) {
- foreach (@$studentInformation) {
- my @dataLength=split(//,$cache->{$name.':'.$_});
- my $length=(scalar @dataLength);
- if($length > $cache->{$_.':columnWidth'}) {
- $cache->{$_.':columnWidth'}=$length;
+
+#######################################################
+#######################################################
+
+=pod
+
+=item &Sequences_with_Assess()
+
+Returns an array containing the subset of @Sequences which contain
+assessments.
+
+=cut
+
+#######################################################
+#######################################################
+sub Sequences_with_Assess {
+ my ($mode) = @_;
+ $mode = 'selected' if (! defined($mode));
+ my @Sequences_to_Show;
+ foreach my $sequence (@Sequences) {
+ next if ($sequence->{'num_assess'} < 1);
+ if ($mode eq 'all') {
+ push (@Sequences_to_Show,$sequence);
+ } elsif ($mode eq 'selected') {
+ foreach my $map_symb (@SelectedMaps) {
+ if ($sequence->{'symb'} eq $map_symb || $map_symb eq 'all'){
+ push (@Sequences_to_Show,$sequence);
+ last; # Only put it in once
+ }
}
}
+
}
+ return @Sequences_to_Show;
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=item &PrepareCourseData($r)
+=cut
+
+#######################################################
+#######################################################
+sub PrepareCourseData {
+ my ($r) = @_;
+ &clear_sequence_variables();
+ my ($top,$sequences,$assessments) =
+ &Apache::loncoursedata::get_sequence_assessment_data();
+ if (! defined($top) || ! ref($top)) {
+ # There has been an error, better report it
+ &Apache::lonnet::logthis('top is undefined');
+ return;
+ }
+ $top_map = $top if (ref($top));
+ @Sequences = @{$sequences} if (ref($sequences) eq 'ARRAY');
+ @Assessments = @{$assessments} if (ref($assessments) eq 'ARRAY');
return;
}
-sub PrepareData {
- my ($c, $cacheDB, $studentInformation, $headings,$r)=@_;
+#######################################################
+#######################################################
- # Test for access to the cache data
- my $courseID=$ENV{'request.course.id'};
- my $isRecalculate=0;
- if(defined($ENV{'form.Recalculate'})) {
- $isRecalculate=1;
- }
+=pod
- my $isCached = &Apache::loncoursedata::TestCacheData($cacheDB,
- $isRecalculate);
- if($isCached < 0) {
- return "Unable to tie hash to db file.";
- }
+=item &log_sequence($sequence,$recursive,$padding)
- # Download class list information if not using cached data
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT(),0640)) {
- return "Unable to tie hash to db file.";
- }
+Write data about the sequence to a logfile. If $recursive is not
+undef the data is written recursively. $padding is used for recursive
+calls.
+
+=cut
- if(!$isCached) {
- my $processTopResourceMapReturn=
- &Apache::loncoursedata::ProcessTopResourceMap(\%cache, $c, $r);
- if($processTopResourceMapReturn ne 'OK') {
- untie(%cache);
- return $processTopResourceMapReturn;
+#######################################################
+#######################################################
+sub log_sequence {
+ my ($seq,$recursive,$padding) = @_;
+ $padding = '' if (! defined($padding));
+ if (ref($seq) ne 'HASH') {
+ &Apache::lonnet::logthis('log_sequence passed bad sequnce');
+ return;
+ }
+ &Apache::lonnet::logthis($padding.'sequence '.$seq->{'title'});
+ while (my($key,$value) = each(%$seq)) {
+ next if ($key eq 'contents');
+ if (ref($value) eq 'ARRAY') {
+ for (my $i=0;$i< scalar(@$value);$i++) {
+ &Apache::lonnet::logthis($padding.$key.'['.$i.']='.
+ $value->[$i]);
+ }
+ } else {
+ &Apache::lonnet::logthis($padding.$key.'='.$value);
}
}
-
- if($c->aborted()) {
- untie(%cache);
- return 'aborted';
+ if (defined($recursive)) {
+ &Apache::lonnet::logthis($padding.'-'x20);
+ &Apache::lonnet::logthis($padding.'contains:');
+ foreach my $item (@{$seq->{'contents'}}) {
+ if ($item->{'type'} eq 'container') {
+ &log_sequence($item,$recursive,$padding.' ');
+ } else {
+ &Apache::lonnet::logthis($padding.'title = '.$item->{'title'});
+ while (my($key,$value) = each(%$item)) {
+ next if ($key eq 'title');
+ if (ref($value) eq 'ARRAY') {
+ for (my $i=0;$i< scalar(@$value);$i++) {
+ &Apache::lonnet::logthis($padding.$key.'['.$i.']='.
+ $value->[$i]);
+ }
+ } else {
+ &Apache::lonnet::logthis($padding.$key.'='.$value);
+ }
+ }
+ }
+ }
+ &Apache::lonnet::logthis($padding.'end contents of '.$seq->{'title'});
+ &Apache::lonnet::logthis($padding.'-'x20);
}
+ return;
+}
+
+##############################################
+##############################################
+
+=pod
+
+=item &StudentDataSelect($elementname,$status,$numvisible,$selected)
+
+Returns html for a selection box allowing the user to choose one (or more)
+of the fields of student data available (fullname, username, id, section, etc)
+
+=over 4
+
+=item $elementname The name of the HTML form element
+
+=item $status 'multiple' or 'single' selection box
- my $classlist=&Apache::loncoursedata::DownloadClasslist($courseID,
- $cache{'ClasslistTimestamp'},
- $c);
- foreach (keys(%$classlist)) {
- if(/^(con_lost|error|no_such_host)/i) {
- untie(%cache);
- return "Error getting student data.";
+=item $numvisible The number of options to be visible
+
+=back
+
+=cut
+
+##############################################
+##############################################
+sub StudentDataSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '<select name="'.$elementname.'" ';
+ if ($status ne 'single') {
+ $Str .= 'multiple="true" ';
+ }
+ $Str .= 'size="'.$numvisible.'" >'."\n";
+ #
+ # Deal with 'all'
+ $Str .= ' <option value="all" ';
+ foreach (@SelectedStudentData) {
+ if ($_ eq 'all') {
+ $Str .= 'selected ';
+ last;
}
}
-
- if($c->aborted()) {
- untie(%cache);
- return 'aborted';
+ $Str .= ">all</option>\n";
+ #
+ # Loop through the student data fields
+ foreach my $item (@StudentDataOrder) {
+ $Str .= ' <option value="'.$item.'" ';
+ foreach (@SelectedStudentData) {
+ if ($item eq $_ ) {
+ $Str .= 'selected ';
+ last;
+ }
+ }
+ $Str .= '>'.$item."</option>\n";
}
+ $Str .= "</select>\n";
+ return $Str;
+}
+
+##############################################
+##############################################
+
+=pod
+
+=item &MapSelect($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 $numvisible The number of options to be visible
- # Active is a temporary solution, remember to change
- Apache::loncoursedata::ProcessClasslist(\%cache,$classlist,$courseID,$c);
- if($c->aborted()) {
- untie(%cache);
- return 'aborted';
+=item $restriction Code reference to subroutine which returns true or
+false. The code must expect a reference to a sequence data structure.
+
+=back
+
+=cut
+
+##############################################
+##############################################
+sub MapSelect {
+ my ($elementname,$status,$numvisible,$restriction)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Set up array of selected items
+ &SetSelectedMaps($elementname);
+ #
+ # Set up the restriction call
+ if (! defined($restriction)) {
+ $restriction = sub { 1; };
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '<select name="'.$elementname.'" ';
+ if ($status ne 'single') {
+ $Str .= 'multiple="true" ';
+ }
+ $Str .= 'size="'.$numvisible.'" >'."\n";
+ #
+ # Deal with 'all'
+ foreach (@SelectedMaps) {
+ if ($_ eq 'all') {
+ @SelectedMaps = ('all');
+ last;
+ }
+ }
+ #
+ # 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.
+
+Uses the package variables @Sections and @SelectedSections
+=over 4
- &ProcessFormData(\%cache);
- my $students = &SortStudents(\%cache);
- &SpaceColumns($students, $studentInformation, $headings, \%cache);
- $cache{'updateTime:columnWidth'}=24;
+=item $elementname The name of the HTML form element
- if($cache{'download'} ne 'false') {
- my @who = ($cache{'download'});
- $cache{'download'} = 'false';
- if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'false',
- $cacheDB, 'true',
- 'false', $courseID,
- $r, $c) ne 'OK') {
- untie(%cache);
- return 'Stop at download individual';
+=item $status 'multiple' or 'single' selection box
+
+=item $numvisible The number of options to be visible
+
+=back
+
+=cut
+
+##############################################
+##############################################
+sub SectionSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Make sure we have the data we need to continue
+ if (! @Sections) {
+ &PrepareClasslist()
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '<select name="'.$elementname.'" ';
+ if ($status ne 'single') {
+ $Str .= 'multiple="true" ';
+ }
+ $Str .= 'size="'.$numvisible.'" >'."\n";
+ #
+ # Loop through the sequences
+ foreach my $s (@Sections) {
+ $Str .= ' <option value="'.$s.'" ';
+ foreach (@SelectedSections) {
+ if ($s eq $_) {
+ $Str .= 'selected ';
+ last;
+ }
}
- } elsif($cache{'DownloadAll'} ne 'false') {
- $cache{'DownloadAll'} = 'false';
- my @allStudents;
- if($cache{'DownloadAll'} eq 'sorted') {
- @allStudents = @$students;
+ $Str .= '>'.$s."</option>\n";
+ }
+ $Str .= "</select>\n";
+ return $Str;
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=item &CreateAndParseOutputSelector()
+
+Construct a selection list of options for output and parse output selections.
+
+=cut
+
+#######################################################
+#######################################################
+sub OutputDescriptions {
+ my (@OutputOptions) = @_;
+ my $Str = '';
+ $Str .= "<h2>Output Modes</h2>\n";
+ $Str .= "<dl>\n";
+ foreach my $outputmode (@OutputOptions) {
+ $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
+ $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
+ }
+ $Str .= "</dl>\n";
+ return $Str;
+}
+
+sub CreateAndParseOutputSelector {
+ my ($elementname,$default,@OutputOptions) = @_;
+ my $output_mode;
+ my $show;
+ my $Str = '';
+ #
+ # Format for output options is 'mode, restrictions';
+ my $selected = $default;
+ if (exists($ENV{'form.'.$elementname})) {
+ if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
+ $selected = $ENV{'form.'.$elementname}->[0];
} else {
- @allStudents = split(':::', $cache{'NamesOfStudents'});
+ $selected = $ENV{'form.'.$elementname};
}
- if(&Apache::loncoursedata::DownloadStudentCourseData(\@allStudents,
- 'false',
- $cacheDB, 'true',
- 'true', $courseID,
- $r, $c) ne 'OK') {
- untie(%cache);
- return 'Stop at download all';
+ }
+ #
+ # Set package variables describing output mode
+ $output_mode = 'html';
+ $show = 'all';
+ foreach my $option (@OutputOptions) {
+ next if ($option->{'value'} ne $selected);
+ $output_mode = $option->{'mode'};
+ $show = $option->{'show'};
+ }
+ #
+ # Build the form element
+ $Str = qq/<select size="5" name="$elementname">/;
+ foreach my $option (@OutputOptions) {
+ if (exists($option->{'special'}) &&
+ $option->{'special'} =~ /do not show/) {
+ next;
}
+ $Str .= "\n".' <option value="'.$option->{'value'}.'"';
+ $Str .= " selected " if ($option->{'value'} eq $selected);
+ $Str .= ">".&mt($option->{'name'})."<\/option>";
}
+ $Str .= "\n</select>";
+ return ($Str,$output_mode,$show);
+}
- if($c->aborted()) {
- untie(%cache);
- return 'aborted';
- }
+###############################################
+###############################################
+
+=pod
- untie(%cache);
+=item &Gather_Student_Data()
- return ('OK', $students);
+Ensures all student data is up to date.
+
+=cut
+
+###############################################
+###############################################
+sub Gather_Student_Data {
+ my ($r) = @_;
+ my $c = $r->connection();
+ #
+ &Apache::loncoursedata::clear_internal_caches();
+ #
+ my @Sequences = &Apache::lonstatistics::Sequences_with_Assess();
+ #
+ my @Students = @Apache::lonstatistics::Students;
+ #
+ # Open the progress window
+ my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
+ ($r,'Statistics Compilation Status',
+ 'Statistics Compilation Progress', scalar(@Students));
+ #
+ while (my $student = shift @Students) {
+ return if ($c->aborted());
+ my ($status,undef) = &Apache::loncoursedata::ensure_current_data
+ ($student->{'username'},$student->{'domain'},
+ $ENV{'request.course.id'});
+ &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
+ &mt('last student'));
+ }
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ $r->rflush();
}
-sub BuildClasslist {
- my ($cacheDB,$students,$studentInformation,$headings,$r)=@_;
+###############################################
+###############################################
+
+=pod
+
+=item &Gather_Full_Student_Data()
+
+Ensures all student data is up to date.
+
+=cut
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- return '<html><body>Unable to tie database.</body></html>';
+###############################################
+###############################################
+sub Gather_Full_Student_Data {
+ my ($r,$formname,$inputname) = @_;
+ my $status_type;
+ if (defined($formname)) {
+ $status_type = 'inline';
+ } else {
+ $status_type = 'popup';
+ }
+ my $c = $r->connection();
+ #
+ &Apache::loncoursedata::clear_internal_caches();
+ #
+ my @Students = @Apache::lonstatistics::Students;
+ #
+ # Open the progress window
+ my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
+ ($r,&mt('Student Data Compilation Status'),
+ &mt('Student Data Compilation Progress'), scalar(@Students),
+ $status_type,undef,$formname,$inputname);
+ #
+ while (my $student = shift @Students) {
+ return if ($c->aborted());
+ my ($status,undef) = &Apache::loncoursedata::ensure_current_full_data
+ ($student->{'username'},$student->{'domain'},
+ $ENV{'request.course.id'});
+ &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
+ &mt('last student'));
+ }
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ $r->rflush();
+}
+
+##################################################
+##################################################
+sub DisplayClasslist {
+ my ($r)=@_;
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({text=>'Select One Student'});
+ #
+ # Output some of the standard interface components
+ my $Str;
+ $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'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('Enrollment Status').'</b></th>';
+ $Str .= '</tr>'.$/;
+ $Str .= '<tr>';
+ $Str .= '<td>'.
+ &Apache::lonstatistics::SectionSelect('Section','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');
+ #
+ $Str = '';
+ if (! @Students) {
+ if ($SelectedSections[0] eq 'all') {
+ if (lc($ENV{'form.Status'}) eq 'any') {
+ $Str .= '<h2>'.
+ &mt('There are no students in the course.').
+ '</h2>';
+ } elsif (lc($ENV{'form.Status'}) eq 'active') {
+ $Str .= '<h2>'.
+ &mt('There are no currently enrolled students in the course.').
+ '</h2>';
+ } elsif (lc($ENV{'form.Status'}) eq 'expired') {
+ $Str .= '<h2>'.
+ &mt('There are no previously enrolled students in the course.').
+ '</h2>';
+ }
+ } else {
+ my $sections;
+ if (lc($ENV{'form.Status'}) eq 'any') {
+ $Str .= '<h2>'.
+ &mt('There are no students in the selected sections.').
+ '</h2>';
+ } elsif (lc($ENV{'form.Status'}) eq 'active') {
+ $Str .= '<h2>'.
+ &mt('There are no currently enrolled students in the selected sections.').
+ '</h2>';
+ } elsif (lc($ENV{'form.Status'}) eq 'expired') {
+ $Str .= '<h2>'.
+ &mt('There are no previously enrolled students in the selected sections.').
+ '</h2>';
+ }
+ }
+ $Str.= '<a href="/adm/statistics?reportSelected=student_assessment">'.
+ &mt('Click here to return to the chart').'</a>';
+ $r->print($Str);
+ $r->rflush();
+ return;
}
- my $Str='';
+ # "Click" is asinine but it is probably not my place to change the world.
+ $Str .= '<h2>Click on a students name or username to view their chart</h2>';
$Str .= '<table border="0"><tr><td bgcolor="#777777">'."\n";
$Str .= '<table border="0" cellpadding="3"><tr bgcolor="#e6ffff">'."\n";
-
- my $displayString = '<td align="left"><a href="/adm/statistics?';
- $displayString .= 'sort=LINKDATA">DISPLAYDATA </a></td>'."\n";
- $Str .= &Apache::lonhtmlcommon::CreateHeadings(\%cache,
- $studentInformation,
- $headings, $displayString);
+ foreach my $field (@Fields) {
+ $Str .= '<th><a href="/adm/statistics?'.
+ 'reportSelected=student_assessment&'.
+ 'selectstudent=1&'.
+ 'sort='.$field.'">'.&mt($field).
+ '</a></th>';
+ }
$Str .= '</tr>'."\n";
-
- my $alternate=0;
- foreach (@$students) {
- my ($username, $domain) = split(':', $_);
+ #
+ my $alternate = 0;
+ foreach my $student (@Students) { # @Students is a package variable
+ my $sname = $student->{'username'}.':'.$student->{'domain'};
if($alternate) {
$Str .= '<tr bgcolor="#ffffe6">';
} else {
$Str .= '<tr bgcolor="#ffffc6">';
}
$alternate = ($alternate + 1) % 2;
- foreach my $data (@$studentInformation) {
+ #
+ foreach my $field (@Fields) {
$Str .= '<td>';
- if($data eq 'fullname') {
+ if ($field eq 'fullname' || $field eq 'username') {
$Str .= '<a href="/adm/statistics?reportSelected=';
- $Str .= &Apache::lonnet::escape('Student Assessment');
- $Str .= '&StudentAssessmentStudent=';
- $Str .= &Apache::lonnet::escape($cache{$_.':'.$data}).'">';
- $Str .= $cache{$_.':'.$data}.' ';
+ $Str .= &Apache::lonnet::escape('student_assessment');
+ $Str .= '&sort='.&Apache::lonnet::escape($ENV{'form.sort'});
+ $Str .= '&SelectedStudent=';
+ $Str .= &Apache::lonnet::escape($sname).'">';
+ $Str .= $student->{$field}.' ';
$Str .= '</a>';
- } elsif($data eq 'updateTime') {
- $Str .= '<a href="/adm/statistics?reportSelected=';
- $Str .= &Apache::lonnet::escape('Class list');
- $Str .= '&download='.$_.'">';
- $Str .= $cache{$_.':'.$data}.' ';
- $Str .= ' </a>';
+ } elsif ($field eq 'status') {
+ $Str .= &mt($student->{$field});
} else {
- $Str .= $cache{$_.':'.$data}.' ';
+ $Str .= $student->{$field};
}
-
- $Str .= '</td>'."\n";
+ $Str .= '</td>';
}
+ $Str .= "</tr>\n";
}
-
- $Str .= '</tr>'."\n";
$Str .= '</table></td></tr></table>'."\n";
+ #
$r->print($Str);
$r->rflush();
-
- untie(%cache);
-
+ #
return;
}
+##############################################
+##############################################
sub CreateMainMenu {
- my ($status, $reports)=@_;
-
- my $Str = '';
-
- $Str .= '<table border="0"><tbody><tr>'."\n";
- $Str .= '<td></td><td></td>'."\n";
- $Str .= '<td align="center"><b>Analysis Reports:</b></td>'."\n";
- $Str .= '<td align="center"><b>Student Status:</b></td></tr>'."\n";
- $Str .= '<tr>'."\n";
- $Str .= '<td align="center"><input type="submit" name="Refresh" ';
- $Str .= 'value="Refresh" /></td>'."\n";
- $Str .= '<td align="center"><input type="submit" name="DownloadAll" ';
- $Str .= 'value="Update All Student Data" /></td>'."\n";
- $Str .= '<td align="center">';
- $Str .= '<select name="reportSelected" onchange="document.';
- $Str .= 'Statistics.submit()">'."\n";
-
- foreach (sort(keys(%$reports))) {
- next if($_ eq 'reportSelected');
- $Str .= '<option name="'.$_.'"';
- if($reports->{'reportSelected'} eq $reports->{$_}) {
- $Str .= ' selected=""';
- }
- $Str .= '>'.$reports->{$_}.'</option>'."\n";
- }
- $Str .= '</select></td>'."\n";
-
- $Str .= '<td align="center">';
- $Str .= &Apache::lonhtmlcommon::StatusOptions($status, 'Statistics');
- $Str .= '</td>'."\n";
-
- $Str .= '</tr></tbody></table>'."\n";
- $Str .= '<hr>'."\n";
-
+ #
+ # Define menu data
+ my @reports = ({ internal_name => 'problem_statistics',
+ name => &mt('Overall Problem Statistics'),
+ short_description =>
+ &mt('Student performance statistics on all problems.'),
+ },
+ { internal_name => 'problem_analysis',
+ name => &mt('Detailed Problem Analysis'),
+ short_description =>
+ &mt('Detailed statistics and graphs of student performance on problems.'),
+ },
+ { internal_name => 'submissiontime_analysis',
+ name => &mt('Submission Time Plots'),
+ short_description =>
+ &mt('Display and analysis of submission times on assessments.'),
+ },
+ { internal_name => 'student_submission_reports',
+ name => &mt('Student Submission Reports'),
+ short_description =>
+ &mt('Prepare Excel spreadsheets of student submissions.'),
+ },
+ { internal_name => 'survey_reports',
+ name => &mt('Survey Reports'),
+ short_description =>
+ &mt('Prepare reports on survey results.'),
+ },
+ { internal_name => 'correct_problems_plot',
+ name => &mt('Correct Problems Plot'),
+ short_description =>
+ &mt('Display a histogram of student performance in the course.'),
+ },
+# { internal_name => 'student_assessment',
+# name => &mt('Problem Status Chart'),
+# short_description =>
+# &mt('Brief view of each students performance in course.'),
+# },
+ # 'percentage' => 'Correct-problems Plot',
+ # 'activitylog' => 'Activity Log',
+ );
+ #
+ # Create the menu
+ my $Str;
+ $Str .= '<h2>'.&mt('Please select a report to generate').'</h2>';
+ foreach my $reportdata (@reports) {
+ $Str .=' <h3><a href="/adm/statistics?reportSelected='.
+ $reportdata->{'internal_name'}.'" >'.
+ $reportdata->{'name'}."</a></h3>\n";
+ $Str .= ' '.(' 'x8).$reportdata->{'short_description'}.
+ "\n";
+ }
+ $Str .="</dl>\n";
+ #
return $Str;
}
-sub BuildStatistics {
- my ($r)=@_;
-
- my $c = $r->connection;
- my @studentInformation=('fullname','section','id','domain','username',
- 'updateTime');
- my @headings=('Full Name', 'Section', 'PID', 'Domain', 'User Name',
- 'Last Updated');
- my $spacing = ' ';
- my %reports = ('classlist' => 'Class list',
- 'problem_statistics' => 'Problem Statistics',
- 'student_assessment' => 'Student Assessment',
-# 'activitylog' => 'Activity Log',
- 'reportSelected' => 'Class list');
-
- my %cache;
- my $courseID=$ENV{'request.course.id'};
- my $cacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
- "_$ENV{'user.domain'}_$courseID\_statistics.db";
-
- $r->print(&Apache::lonhtmlcommon::Title('LON-CAPA Statistics'));
-
- my ($returnValue, $students) = &PrepareData($c, $cacheDB,
- \@studentInformation,
- \@headings,$r);
- if($returnValue ne 'OK') {
- $r->print($returnValue."\n".'</body></html>');
- return OK;
- }
- if(!$c->aborted()) {
- &Apache::loncoursedata::CheckForResidualDownload($cacheDB,
- 'true', 'true',
- $courseID,
- $r, $c);
- }
-
- my $GoToPage;
- if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- $GoToPage = $cache{'reportSelected'};
- $reports{'reportSelected'} = $cache{'reportSelected'};
- if(defined($cache{'reportKey'}) &&
- !exists($reports{$cache{'reportKey'}}) &&
- $cache{'reportKey'} ne 'false') {
- $reports{$cache{'reportKey'}} = $cache{'reportSelected'};
+##############################################
+##############################################
+sub handler {
+ my $r=shift;
+ my $c = $r->connection();
+ #
+ # Check for overloading
+ my $loaderror=&Apache::lonnet::overloaderror($r);
+ if ($loaderror) { return $loaderror; }
+ $loaderror=
+ &Apache::lonnet::overloaderror($r,
+ $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
+ if ($loaderror) { return $loaderror; }
+ #
+ # Check for access
+ if (! &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
+ $ENV{'user.error.msg'}=
+ $r->uri.":vgr:0:0:Cannot view grades for complete course";
+ if (! &Apache::lonnet::allowed('vgr',
+ $ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'})) {
+ $ENV{'user.error.msg'}=
+ $r->uri.":vgr:0:0:Cannot view grades with given role";
+ return HTTP_NOT_ACCEPTABLE;
}
-
- if(defined($cache{'OptionResponses'})) {
- $reports{'problem_analysis'} = 'Option Response Analysis';
+ }
+ #
+ # Send the header
+ &Apache::loncommon::no_cache($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
+ $r->print('<html><head><title>'.
+ &mt('Course Statistics and Charts').
+ "</title></head>\n".
+ &Apache::loncommon::bodytag('Course Statistics and Charts'));
+ $r->rflush();
+ #
+ # Either print out a menu for them or send them to a report
+ &Apache::lonhtmlcommon::clear_breadcrumbs();
+ &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/statistics',
+ title=>'Statistics',
+ text =>'Statistics',
+ faq=>139,
+ bug=>'Statistics and Charts'});
+ if (! exists($ENV{'form.reportSelected'}) ||
+ $ENV{'form.reportSelected'} eq '') {
+ $r->print(&Apache::lonhtmlcommon::breadcrumbs
+ (undef,&mt('Statistics Main Page')).
+ &CreateMainMenu());
+ } else {
+ #
+ if (! &Apache::lonmysql::verify_sql_connection()) {
+ my $serveradmin = $r->dir_config('lonAdmEMail');
+ $r->print('<h2><font color="Red">'.
+ &mt('Unable to connect to database!').
+ '</font></h2>');
+ $r->print('<p>'.
+ &mt('Please notify the server administrator ').
+ '<b>'.$serveradmin.'</b></p>');
+ $r->print('<p>'.
+ &mt('Course Statistics and Charts cannot be '.
+ 'retrieved until the database is restarted. '.
+ 'Your data is intact but cannot be displayed '.
+ 'at this time.').'</p>');
+ $r->print('</body></html>');
+ return;
}
-
+ #
+ # Clean out the caches
+ if (exists($ENV{'form.ClearCache'})) {
+ &Apache::loncoursedata::delete_caches($ENV{'requres.course.id'});
+ }
+ #
+ # Begin form output
$r->print('<form name="Statistics" ');
$r->print('method="post" action="/adm/statistics">');
- $r->print(&CreateMainMenu($cache{'Status'}, \%reports));
$r->rflush();
- untie(%cache);
- } else {
- $r->print('<html><body>Unable to tie database.</body></html>');
- return OK;
- }
-
- if($GoToPage eq 'Activity Log') {
- &Apache::lonproblemstatistics::Activity();
- } elsif($GoToPage eq 'Problem Statistics') {
- &Apache::lonproblemstatistics::BuildProblemStatisticsPage($cacheDB,
- $students,
- $courseID,
- $c,$r);
- } elsif($GoToPage eq 'Option Response Analysis') {
- &Apache::lonproblemanalysis::BuildProblemAnalysisPage($cacheDB, $r);
- } elsif($GoToPage eq 'Student Assessment') {
- &Apache::lonstudentassessment::BuildStudentAssessmentPage($cacheDB,
- $students,
- $courseID,
- 'Statistics',
- \@headings,
- $spacing,
- \@studentInformation,
- $r, $c);
- } elsif($GoToPage eq 'Analyze') {
- &Apache::lonproblemanalysis::BuildAnalyzePage($cacheDB, $students,
- $courseID, $r);
- } elsif($GoToPage eq 'DoDiffGraph' || $GoToPage eq 'PercentWrongGraph') {
- my $courseDescription = $ENV{'course.'.$courseID.'.description'};
- $courseDescription =~ s/\ /"_"/eg;
- &Apache::lonproblemstatistics::BuildGraphicChart($GoToPage, $cacheDB,
- $courseDescription,
- $students, $courseID,
- $r, $c);
- } elsif($GoToPage eq 'Class list') {
- &BuildClasslist($cacheDB, $students, \@studentInformation,
- \@headings, $r);
+ #
+ my $GoToPage = $ENV{'form.reportSelected'};
+ #
+ # Set up the statistics and chart environment
+ &PrepareCourseData($r);
+ #
+ $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);
+ }
+ #
+ $r->print("</form>\n");
}
-
- $r->print('</form>'."\n");
- $r->print("\n".'</body>'."\n".'</html>');
+ $r->print("</body>\n</html>\n");
$r->rflush();
-
+ #
return OK;
}
-# ================================================================ Main Handler
-
-sub handler {
- my $r=shift;
+1;
-# $jr = $r;
+#######################################################
+#######################################################
- unless(&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
- $ENV{'user.error.msg'}=
- $r->uri.":vgr:0:0:Cannot view grades for complete course";
- return HTTP_NOT_ACCEPTABLE;
- }
-
- # Set document type for header only
- if($r->header_only) {
- if ($ENV{'browser.mathml'}) {
- $r->content_type('text/xml');
- } else {
- $r->content_type('text/html');
- }
- &Apache::loncommon::no_cache($r);
- $r->send_http_header;
- return OK;
- }
+=pod
- unless($ENV{'request.course.fn'}) {
- my $requrl=$r->uri;
- $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
- return HTTP_NOT_ACCEPTABLE;
- }
+=back
- $r->content_type('text/html');
- $r->send_http_header;
+=cut
- &BuildStatistics($r);
+#######################################################
+#######################################################
- return OK;
-}
-1;
__END__