';
+ }
+ $Str .= &Apache::loncommon::end_data_table_row();
+ }
+ $Str .= &Apache::loncommon::end_data_table();
+ #
+ $r->print($Str);
+ $r->rflush();
+ #
+ return;
}
-# update progress
-sub Update_PrgWin {
- my ($totalStudents,$index,$name)=@_;
- $r->print('');
- $r->rflush();
+
+
+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);
+
}
-# close Progress Line
-sub Close_PrgWin {
- $r->print('');
- $r->rflush();
-}
-
-# For loading the colored table for display or un-colored for print
-sub setbgcolor {
- my $PrintTable=shift;
- undef %color;
- if ($PrintTable){
- $color{"gb"}="#FFFFFF";
- $color{"red"}="#FFFFFF";
- $color{"yellow"}="#FFFFFF";
- $color{"green"}="#FFFFFF";
- $color{"purple"}="#FFFFFF";
+
+
+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'}=
+ $r->uri.":vgr:0:0:Cannot view grades with given role";
+ return HTTP_NOT_ACCEPTABLE;
+ }
+ }
+ #
+ # Send the header
+ &Apache::loncommon::no_cache($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 = <
+ 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
+
+ $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').
+ &CreateMainMenu());
} else {
- $color{"gb"}="#DDFFFF";
- $color{"red"}="#FFDDDD";
- $color{"yellow"}="#EEFFCC";
- $color{"green"}="#DDFFDD";
- $color{"purple"}="#FFDDFF";
+ #
+ if (! &Apache::lonmysql::verify_sql_connection()) {
+ my $serveradmin = $r->dir_config('lonAdmEMail');
+ $r->print('
'.
+ &mt('Unable to connect to database!').
+ '
');
+ $r->print('
'
+ .&mt('Please notify the server administrator [_1]',
+ ,''.$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.').'
');
+ $r->print(&Apache::loncommon::end_page());
+ return;
+ }
+ #
+ # Clean out the caches
+ if (exists($env{'form.ClearCache'})) {
+ &Apache::loncoursedata::delete_caches($env{'requres.course.id'});
+ }
+ #
+ # Begin form output
+ $r->print('\n");
}
-
- return;
+ $r->print(&Apache::loncommon::end_page());
+ $r->rflush();
+ #
+ return OK;
}
-sub BuildClasslist {
- my ($cacheDB,$students,$studentInformation,$headings,$spacePadding)=@_;
+1;
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
- return 'Unable to tie database.';
- }
-
- my $Str='';
- $Str .= '