--- loncom/interface/lonstatistics.pm 2003/02/28 20:50:33 1.61 +++ loncom/interface/lonstatistics.pm 2005/12/13 16:25:32 1.126 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonstatistics.pm,v 1.61 2003/02/28 20:50:33 matthew Exp $ +# $Id: lonstatistics.pm,v 1.126 2005/12/13 16:25:32 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -38,21 +38,6 @@ lonstatistics Main handler for statistics and chart. -=head1 PACKAGES USED - - use strict; - use Apache::Constants qw(:common :http); - use Apache::lonnet(); - use Apache::lonhomework; - use Apache::loncommon; - use Apache::loncoursedata; - use Apache::lonhtmlcommon; - use Apache::lonproblemanalysis; - use Apache::lonproblemstatistics; - use Apache::lonstudentassessment; - use Apache::lonpercentage; - use GDBM_File; - =over 4 =cut @@ -65,26 +50,29 @@ use vars qw( @FullClasslist @Students @Sections - @SelectedSections %StudentData @StudentDataOrder @SelectedStudentData - $top_map - @Sequences - @SelectedMaps - @Assessments); + $enrollment_status); -use Apache::lonnet(); +use Apache::lonnet; use Apache::lonhomework; use Apache::loncommon; use Apache::loncoursedata; use Apache::lonhtmlcommon; +use Apache::lonmysql; +use Apache::lonlocal; +use Time::HiRes; +# +# Statistics Packages use Apache::lonproblemanalysis(); +use Apache::lonsubmissiontimeanalysis(); +use Apache::loncorrectproblemplot(); use Apache::lonproblemstatistics(); use Apache::lonstudentassessment(); use Apache::lonpercentage; -use GDBM_File; - +use Apache::lonstudentsubmissions(); +use Apache::lonsurveyreports(); ####################################################### ####################################################### @@ -135,8 +123,6 @@ undef the following package variables: =item @Sections -=item @SelectedSections - =item %StudentData =item @StudentDataOrder @@ -159,7 +145,6 @@ sub clear_classlist_variables { undef(@FullClasslist); undef(@Students); undef(@Sections); - undef(@SelectedSections); undef(%StudentData); undef(@SelectedStudentData); undef($curr_student); @@ -185,8 +170,6 @@ the following package variables: =item @Sections -=item @SelectedSections - =item %StudentData =item @SelectedStudentData @@ -207,40 +190,34 @@ upon the calling context. ####################################################### ####################################################### sub PrepareClasslist { - my $r = shift; my %Sections; &clear_classlist_variables(); # # Retrieve the classlist - my $cid = $ENV{'request.course.id'}; - my $cdom = $ENV{'course.'.$cid.'.domain'}; - my $cnum = $ENV{'course.'.$cid.'.num'}; - my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cid, - $cdom,$cnum); - if (exists($ENV{'form.Section'})) { - if (ref($ENV{'form.Section'})) { - @SelectedSections = @{$ENV{'form.Section'}}; - } elsif ($ENV{'form.Section'} !~ /^\s*$/) { - @SelectedSections = ($ENV{'form.Section'}); - } - } - @SelectedSections = ('all') if (! @SelectedSections); - foreach (@SelectedSections) { - if ($_ eq 'all') { - @SelectedSections = ('all'); - } + 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, + $cnum); + my @selected_sections = &get_selected_sections(); + # + # Deal with instructors with restricted section access + if ($env{'request.course.sec'} !~ /^\s*$/) { + @selected_sections = ($env{'request.course.sec'}); } # # Set up %StudentData - @StudentDataOrder = qw/fullname username domain id section status/; + @StudentDataOrder = qw/fullname username domain id section status comments/; foreach my $field (@StudentDataOrder) { - $StudentData{$field}->{'title'} = $field; - $StudentData{$field}->{'base_width'} = - scalar (my @Tmp = split(//,$field)); + $StudentData{$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'})); # # Process the classlist while (my ($student,$student_data) = each (%$classlist)) { @@ -251,7 +228,7 @@ sub PrepareClasslist { $studenthash->{$field}=$student_data->[$i]; # Keep track of the width of the fields next if (! exists($StudentData{$field})); - my $length = scalar(my @Tmp1 = split(//,$student_data->[$i])); + my $length = length($student_data->[$i]); if ($StudentData{$field}->{'width'} < $length) { $StudentData{$field}->{'width'} = $length; } @@ -267,8 +244,12 @@ sub PrepareClasslist { $Sections{$section}++; # # Only put in the list those students we are interested in - foreach my $sect (@SelectedSections) { - if (($sect eq 'all') || ($section eq $sect)) { + foreach my $sect (@selected_sections) { + if ( (($sect eq 'all') || + ($section eq $sect)) && + (($studenthash->{'status'} eq $enrollment_status) || + ($enrollment_status eq 'Any')) + ){ push (@Students,$studenthash); last; } @@ -276,20 +257,26 @@ sub PrepareClasslist { } # # Put the consolidated section data in the right place - @Sections = sort {$a cmp $b} keys(%Sections); - unshift(@Sections,'all'); # Put 'all' at the front of the list + if ($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'})); + $sortby = $env{'form.sort'} if (exists($env{'form.sort'})); my @TmpStudents = sort { $a->{$sortby} cmp $b->{$sortby} || - $a->{'fullname'} cmp $b->{'fullname'} } @Students; + lc($a->{'fullname'}) cmp lc($b->{'fullname'}) || + lc($a->{'username'}) cmp lc($b->{'username'}) } @Students; @Students = @TmpStudents; # # Now deal with that current student thing.... - if (exists($ENV{'form.StudentAssessmentStudent'})) { + $curr_student = undef; + if (exists($env{'form.SelectedStudent'})) { my ($current_uname,$current_dom) = - split(':',$ENV{'form.StudentAssessmentStudent'}); + split(':',$env{'form.SelectedStudent'}); my $i; for ($i = 0; $i<=$#Students; $i++) { next if (($Students[$i]->{'username'} ne $current_uname) || @@ -297,26 +284,25 @@ sub PrepareClasslist { $curr_student = $Students[$i]; last; # If we get here, we have our student. } - if ($i == 0) { - $prev_student = 'none'; - } else { - $prev_student = $Students[$i-1]; - } - if ($i == $#Students) { - $next_student = 'none'; - } else { - $next_student = $Students[$i+1]; + 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'}); - } + if (exists($env{'form.StudentData'})) { + @SelectedStudentData = + &Apache::loncommon::get_env_multiple('form.StudentData'); } else { - @SelectedStudentData = ('fullname'); + @SelectedStudentData = ('username'); } foreach (@SelectedStudentData) { if ($_ eq 'all') { @@ -333,21 +319,29 @@ sub PrepareClasslist { =pod -=item ¤t_student() +=item get_selected_sections -Returns a pointer to a hash containing data about the currently -selected student. +Returns an array of the selected sections =cut ####################################################### ####################################################### -sub current_student { - if (defined($curr_student)) { - return $curr_student; - } else { - return 'All Students'; +sub get_selected_sections { + my @selected_sections = + &Apache::loncommon::get_env_multiple('form.Section'); + @selected_sections = ('all') if (! @selected_sections); + foreach (@selected_sections) { + if ($_ eq 'all') { + @selected_sections = ('all'); + } } + # + # Deal with instructors with restricted section access + if ($env{'request.course.sec'} !~ /^\s*$/) { + @selected_sections = ($env{'request.course.sec'}); + } + return @selected_sections; } ####################################################### @@ -355,21 +349,61 @@ sub current_student { =pod -=item &previous_student() +=item §ion_and_enrollment_description -Returns a pointer to a hash containing data about the student prior -in the list of students. Or something. +Returns a string describing the currenly selected section(s) and +enrollment status. + +Inputs: mode = 'plaintext' or 'localized' (defaults to 'localized') + 'plaintext' is used for example in Excel spreadsheets. +Returns: scalar description string. =cut ####################################################### ####################################################### -sub previous_student { - if (defined($prev_student)) { - return $prev_student; +sub section_and_enrollment_description { + my ($mode) = @_; + if (! defined($mode)) { $mode = 'localized'; } + my @sections = &Apache::lonstatistics::get_selected_sections(); + my $description; + if ($mode eq 'localized') { + $description = &mt('Unable to determine section and enrollment'); + } elsif ($mode eq 'plaintext') { + $description = 'Unable to determine section and enrollment'; } else { - return 'No Student Selected'; + $description = 'Bad parameter passed to lonstatistics::section_and_enrollment_description'; + &Apache::lonnet::logthis($description); + } + if (scalar(@sections) == 1 && $sections[0] ne 'all') { + if ($mode eq 'localized') { + $description = &mt('Section [_1]. [_2] enrollment status.', + $sections[0],$env{'form.Status'}); + } elsif ($mode eq 'plaintext') { + $description = 'Section '.$sections[0].'. '. + $env{'form.Status'}.' enrollment status.'; + } + } elsif (scalar(@sections) && $sections[0] eq 'all') { + if ($mode eq 'localized') { + $description = &mt('All sections. [_1] enrollment status.', + $env{'form.Status'}); + } elsif ($mode eq 'plaintext') { + $description = 'All sections. '. + $env{'form.Status'}.' enrollment status.'; + } + } elsif (scalar(@sections)) { + my $lastsection = pop(@sections); + if ($mode eq 'localized') { + $description = &mt('Sections [_1] and [_2]. [_3] enrollment status.', + join(', ',@sections),$lastsection, + $env{'form.Status'}); + } elsif ($mode eq 'plaintext') { + $description = + 'Sections '.join(', ',@sections).' and '.$lastsection.'. '. + $env{'form.Status'}.' enrollment status.'; + } } + return $description; } ####################################################### @@ -377,21 +411,19 @@ sub previous_student { =pod -=item &next_student() +=item get_students -Returns a pointer to a hash containing data about the next student -to be viewed. +Returns a list of the selected students =cut ####################################################### ####################################################### -sub next_student { - if (defined($next_student)) { - return $next_student; - } else { - return 'No Student Selected'; +sub get_students { + if (! @Students) { + &PrepareClasslist() } + return @Students; } ####################################################### @@ -399,42 +431,17 @@ sub next_student { =pod -=item &clear_sequence_variables() - -=cut - -####################################################### -####################################################### -sub clear_sequence_variables { - undef($top_map); - undef(@Sequences); - undef(@Assessments); -} - -####################################################### -####################################################### - -=pod - -=item &SetSelectedMaps($elementname) +=item ¤t_student() -Sets the @SelectedMaps array from $ENV{'form.'.$elementname}; +Returns a pointer to a hash containing data about the currently +selected student. =cut ####################################################### ####################################################### -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'); - } +sub current_student { + return $curr_student; } ####################################################### @@ -442,42 +449,17 @@ sub SetSelectedMaps { =pod -=item &PrepareCourseData($r) +=item &previous_student() + +Returns a pointer to a hash containing data about the student prior +in the list of students. Or something. =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'); - # - # Compute column widths - foreach my $seq (@Sequences) { - my $name_length = scalar(my @Tmp1 = split(//,$seq->{'title'})); - my $num_parts = $seq->{'num_assess_parts'}; - # - # The number of columns needed for the summation text: - # " 1/5" = 1+3 columns, " 10/99" = 1+5 columns - my $sum_length = 1+1+2*(scalar(my @Tmp2 = split(//,$num_parts))); - my $num_col = $num_parts+$sum_length; - if ($num_col < $name_length) { - $num_col = $name_length; - } - $seq->{'base_width'} = $name_length; - $seq->{'width'} = $num_col; - } - return; +sub previous_student { + return $prev_student; } ####################################################### @@ -485,60 +467,17 @@ sub PrepareCourseData { =pod -=item &log_sequence($sequence,$recursive,$padding) +=item &next_student() -Write data about the sequence to a logfile. If $recursive is not -undef the data is written recursively. $padding is used for recursive -calls. +Returns a pointer to a hash containing data about the next student +to be viewed. =cut ####################################################### ####################################################### -sub log_sequence { - my ($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.'='.$value); - } - } - if (defined($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; +sub next_student { + return $next_student; } ############################################## @@ -604,12 +543,96 @@ sub StudentDataSelect { return $Str; } +####################################################### +####################################################### + +=pod + +=item &get_selected_maps($elementname) + +Input: Name of the '."\n"; - # - # Deal with 'all' - foreach (@SelectedMaps) { - if ($_ eq 'all') { - @SelectedMaps = ('all'); - last; - } + $form .= 'multiple="true" '; } + $form .= 'size="'.$numvisible.'" >'."\n"; # # Put in option for 'all' - $Str .= ' \n"; + $form .= '>'.$seq->compTitle."\n"; } - $Str .= "\n"; - return $Str; + $form .= "\n"; + return $form; } ############################################## @@ -698,6 +708,7 @@ sub MapSelect { 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 @@ -706,13 +717,6 @@ of the sections in the course. =item $numvisible The number of options to be visible -=item $selected Array ref to the names of the already selected sections. -If undef, $ENV{'form.'.$elementname} is used. -If $ENV{'form.'.$elementname} is also empty, none will be selected. - -=item $restriction Code reference to subroutine which returns true or -false. The code must expect a reference to a sequence data structure. - =back =cut @@ -725,6 +729,11 @@ sub SectionSelect { return; } # + # Make sure we have the data we need to continue + if (! @Sections) { + &PrepareClasslist() + } + # # Build the form element my $Str = "\n"; $Str .= ''; + $r->print($Str); + $r->rflush(); # - my @Fields = ('fullname','username','domain','id','section'); + my @Fields = ('fullname','username','domain','id','section','status'); # - my $Str=''; + $Str = ''; + my @selected_sections = &get_selected_sections(); + if (! @Students) { + if ($selected_sections[0] eq 'all') { + if (lc($env{'form.Status'}) eq 'any') { + $Str .= '

'. + &mt('There are no students in the course.'). + '

'; + } elsif (lc($env{'form.Status'}) eq 'active') { + $Str .= '

'. + &mt('There are no currently enrolled students in the course.'). + '

'; + } elsif (lc($env{'form.Status'}) eq 'expired') { + $Str .= '

'. + &mt('There are no previously enrolled students in the course.'). + '

'; + } + } else { + my $sections; + if (lc($env{'form.Status'}) eq 'any') { + $Str .= '

'. + &mt('There are no students in the selected sections.'). + '

'; + } elsif (lc($env{'form.Status'}) eq 'active') { + $Str .= '

'. + &mt('There are no currently enrolled students in the selected sections.'). + '

'; + } elsif (lc($env{'form.Status'}) eq 'expired') { + $Str .= '

'. + &mt('There are no previously enrolled students in the selected sections.'). + '

'; + } + } + $Str.= ''. + &mt('Click here to return to the chart').''; + $r->print($Str); + $r->rflush(); + return; + } + + # "Click" is asinine but it is probably not my place to change the world. + $Str .= '

Click on a students name or username to view their chart

'; $Str .= '
'."\n"; $Str .= ''."\n"; foreach my $field (@Fields) { - $Str .= ''; } $Str .= ''."\n"; # my $alternate = 0; - foreach my $student (@Students) { + foreach my $student (@Students) { # @Students is a package variable my $sname = $student->{'username'}.':'.$student->{'domain'}; if($alternate) { $Str .= ''; @@ -1145,13 +854,16 @@ sub DisplayClasslist { # foreach my $field (@Fields) { $Str .= '
'.$field. + $Str .= ''.&mt($field). '
'; - if ($field eq 'fullname') { + if ($field eq 'fullname' || $field eq 'username') { $Str .= ''; $Str .= $student->{$field}.' '; $Str .= ''; + } elsif ($field eq 'status') { + $Str .= &mt($student->{$field}); } else { $Str .= $student->{$field}; } @@ -1167,289 +879,228 @@ sub DisplayClasslist { return; } -sub BuildClasslist { - my ($cacheDB,$students,$studentInformation,$headings,$r)=@_; - - my %cache; - unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { - return 'Unable to tie database.'; - } - -# my $Ptr = ''; -# $Ptr .= ''; -# $Ptr .= ''."\n"; -# $Ptr .= '
Select Sections'; -# $Ptr .= ''."\n"; -# my @sectionsSelected = split(':',$cache{'sectionsSelected'}); -# my @sections = split(':',$cache{'sectionList'}); -# $Ptr .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections, -# \@sectionsSelected, -# 'Statistics'); -# $Ptr .= '

'; -# $r->print($Ptr); -# $r->rflush(); -# my %mySections = (); -# foreach (@sections) { $mySections{$_} = 'True'; } -# $r->print("
$cache{'sectionsSelected'}
"); - - my $Str=''; - $Str .= '
'."\n"; - $Str .= ''."\n"; - - my $displayString = ''."\n"; - $Str .= &Apache::lonhtmlcommon::CreateHeadings(\%cache, - $studentInformation, - $headings, $displayString); - $Str .= ''."\n"; - - my $alternate=0; - foreach (@$students) { -# if ($mySections{$cache{$_.':'.'section'}} ne 'True') {next;} - my ($username, $domain) = split(':', $_); - if($alternate) { - $Str .= ''; - } else { - $Str .= ''; - } - $alternate = ($alternate + 1) % 2; - foreach my $data (@$studentInformation) { - $Str .= ''."\n"; - } - } - - $Str .= ''."\n"; - $Str .= '
DISPLAYDATA 
'; - if($data eq 'fullname') { - $Str .= ''; - $Str .= $cache{$_.':'.$data}.' '; - $Str .= ''; - } elsif($data eq 'updateTime') { - $Str .= ''; - $Str .= $cache{$_.':'.$data}.' '; - $Str .= ' '; - } else { - $Str .= $cache{$_.':'.$data}.' '; - } - - $Str .= '
'."\n"; - $r->print($Str); - $r->rflush(); - - untie(%cache); - - return; -} - +############################################## +############################################## sub CreateMainMenu { - my ($status, $reports)=@_; - - my $Str = ''; - - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - - $Str .= ''."\n"; - - $Str .= '
Select a ReportStudent Status
{'reportSelected'} eq $reports->{$_}) { - $Str .= ' selected=""'; - } - $Str .= '>'.$reports->{$_}.''."\n"; - } - $Str .= ''; - $Str .= &Apache::lonhtmlcommon::StatusOptions($status, 'Statistics'); - $Str .= '
'."\n"; - $Str .= '
'."\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', - 'percentage' => 'Correct-problems Plot', -# '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"; - - $r->print(&Apache::lonhtmlcommon::Title('Course Statistics and Charts')); - - my ($returnValue, $students) = &PrepareData($c, $cacheDB, - \@studentInformation, - \@headings,$r); - if($returnValue ne 'OK') { - $r->print($returnValue."\n".''); - 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'}} = $cache{'reportSelected'}; - } - - if(defined($cache{'OptionResponses'})) { - $reports{'problem_analysis'} = 'Option Response Analysis'; - } - - $r->print('
print('method="post" action="/adm/statistics">'); - $r->print(&CreateMainMenu($cache{'Status'}, \%reports)); - $r->rflush(); - untie(%cache); - } else { - $r->print('Unable to tie database.'); - return OK; - } - - if($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') { - &DisplayClasslist($r); -# &BuildClasslist($cacheDB, $students, \@studentInformation, -# \@headings, $r); - } elsif($GoToPage eq 'Correct-problems Plot') { - &Apache::lonpercentage::BuildPercentageGraph($cacheDB, $students, - $courseID, $c, $r); + # + # 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 reports 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 .= '

'.&mt('Please select a report to generate').'

'; + foreach my $reportdata (@reports) { + $Str .='

'. + $reportdata->{'name'}."

\n"; + $Str .= ' '.(' 'x8).$reportdata->{'short_description'}. + "\n"; } - - $r->print('
'."\n"); - $r->print("\n".''."\n".''); - $r->rflush(); - - return OK; + $Str .="\n"; + # + return $Str; } -# ================================================================ Main Handler - +############################################## +############################################## sub handler { my $r=shift; - -# $jr = $r; - + 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'}); + $env{'course.'.$env{'request.course.id'}.'.home'}); if ($loaderror) { return $loaderror; } - - unless(&Apache::lonnet::allowed('vgr',$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 { - $r->content_type('text/html'); + # + # Check for access + if (! &Apache::lonnet::allowed('vgr',$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'}= + $r->uri.":vgr:0:0:Cannot view grades with given role"; + return HTTP_NOT_ACCEPTABLE; } - &Apache::loncommon::no_cache($r); - $r->send_http_header; - return OK; - } - - unless($ENV{'request.course.fn'}) { - my $requrl=$r->uri; - $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; - return HTTP_NOT_ACCEPTABLE; } - - $r->content_type('text/html'); + # + # Send the header + &Apache::loncommon::no_cache($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($ENV{'QUERY_STRING'}, - ['sort', - 'StudentAssessmentStudent']); - - &PrepareClasslist($r); - - &PrepareCourseData($r); - - &BuildStatistics($r); - + ['sort','reportSelected', + 'SelectedStudent']); + # + # Give the LON-CAPA page header + my $style = < + 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; } + +ENDSTYLE + my $html=&Apache::lonxml::xmlbegin(); + $r->print($html.''. + &mt('Course Statistics and Charts'). + ''.$style. + "\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('

'. + &mt('Unable to connect to database!'). + '

'); + $r->print('

'. + &mt('Please notify the server administrator '). + ''.$serveradmin.'

'); + $r->print('

'. + &mt('Course Statistics and Charts cannot be '. + 'retrieved until the database is restarted. '. + 'Your data is intact but cannot be displayed '. + 'at this time.').'

'); + $r->print(''); + return; + } + # + # Clean out the caches + if (exists($env{'form.ClearCache'})) { + &Apache::loncoursedata::delete_caches($env{'requres.course.id'}); + } + # + # Begin form output + $r->print('
print('method="post" action="/adm/statistics">'); + $r->rflush(); + # + my $GoToPage = $env{'form.reportSelected'}; + # + $r->print(''); + if($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("
\n"); + } + $r->print("\n\n"); + $r->rflush(); + # return OK; } + 1; +####################################################### +####################################################### + =pod =back =cut +####################################################### +####################################################### + __END__