--- loncom/interface/lonstatistics.pm	2002/08/28 22:42:15	1.48
+++ loncom/interface/lonstatistics.pm	2002/11/26 18:02:38	1.55
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # (Publication Handler
 #
-# $Id: lonstatistics.pm,v 1.48 2002/08/28 22:42:15 stredwic Exp $
+# $Id: lonstatistics.pm,v 1.55 2002/11/26 18:02:38 minaeibi Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -35,7 +35,7 @@
 #
 ###
 
-package Apache::lonstatistics; 
+package Apache::lonstatistics;
 
 use strict;
 use Apache::Constants qw(:common :http);
@@ -47,6 +47,7 @@ use Apache::lonhtmlcommon;
 use Apache::lonproblemanalysis;
 use Apache::lonproblemstatistics;
 use Apache::lonstudentassessment;
+use Apache::lonpercentage;
 use HTML::TokeParser;
 use GDBM_File;
 
@@ -84,6 +85,10 @@ sub ProcessFormData{
     &CheckFormElement($cache, 'download', 'download', 'false');
     &CheckFormElement($cache, 'StatisticsMaps', 
                       'StatisticsMaps', 'All Maps');
+    &CheckFormElement($cache, 'StatisticsProblemSelect',
+		      'StatisticsProblemSelect', 'All Problems');
+    &CheckFormElement($cache, 'StatisticsPartSelect',
+		      'StatisticsPartSelect', 'All Parts');
     if(defined($ENV{'form.Section'})) {
         my @sectionsSelected = (ref($ENV{'form.Section'}) ?
                                @{$ENV{'form.Section'}} :
@@ -122,7 +127,8 @@ sub ProcessFormData{
                       'ProblemStatisticsAscend', 'Ascending');
     &CheckFormElement($cache, 'ProblemStatisticsSort',
                       'ProblemStatisticsSort', 'Homework Sets Order');
-    &CheckFormElement($cache, 'DisplayLegend', 'DisplayLegend', 'Hide Legend');
+    &CheckFormElement($cache, 'DisplayLegend', 'DisplayLegend', 
+		      'Hide Legend');
     &CheckFormElement($cache, 'SortProblems', 'SortProblems', 
                       'Sort Within Sequence');
 
@@ -239,9 +245,11 @@ sub SortStudents {
     my $sortBy = '';
     if(defined($cache->{'sort'})) {
         $sortBy = ':'.$cache->{'sort'};
+    } else {
+        $sortBy = ':fullname';
     }
-    my @order = sort { $cache->{$a.$sortBy} cmp $cache->{$b.$sortBy} ||
-                       $cache->{$a.':fullname'} cmp $cache->{$b.':fullname'} } 
+    my @order = sort { lc($cache->{$a.$sortBy}) cmp lc($cache->{$b.$sortBy}) ||
+                       lc($cache->{$a.':fullname'}) cmp lc($cache->{$b.':fullname'}) } 
                 @sorted1Students;
 
     return \@order;
@@ -306,7 +314,7 @@ sub PrepareData {
         $isRecalculate=1;
     }
 
-    my $isCached = &Apache::loncoursedata::TestCacheData($cacheDB, 
+    my $isCached = &Apache::loncoursedata::TestCacheData($cacheDB,
                                                          $isRecalculate);
     if($isCached < 0) {
         return "Unable to tie hash to db file.";
@@ -318,14 +326,14 @@ sub PrepareData {
         return "Unable to tie hash to db file.";
     }
 
-    if(!$isCached) {
+#    if(!$isCached) {
         my $processTopResourceMapReturn=
-            &Apache::loncoursedata::ProcessTopResourceMap(\%cache, $c, $r);
+            &Apache::loncoursedata::ProcessTopResourceMap(\%cache, $c);
         if($processTopResourceMapReturn ne 'OK') {
             untie(%cache);
             return $processTopResourceMapReturn;
         }
-    }
+ #   }
 
     if($c->aborted()) {
         untie(%cache);
@@ -377,16 +385,16 @@ sub PrepareData {
 
     if($download ne 'false') {
         my @who = ($download);
-        if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'false', 
-                                                             $cacheDB, 'true', 
+        if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'false',
+                                                             $cacheDB, 'true',
                                                              'false', $courseID,
                                                              $r, $c) ne 'OK') {
             return 'Stop at download individual';
         }
     } elsif($downloadAll ne 'false') {
-        if(&Apache::loncoursedata::DownloadStudentCourseData(\@allStudents, 
-                                                             'false', 
-                                                             $cacheDB, 'true', 
+        if(&Apache::loncoursedata::DownloadStudentCourseData(\@allStudents,
+                                                             'false',
+                                                             $cacheDB, 'true',
                                                              'true', $courseID,
                                                              $r, $c) ne 'OK') {
             return 'Stop at download all';
@@ -404,19 +412,37 @@ sub BuildClasslist {
         return '<html><body>Unable to tie database.</body></html>';
     }
 
+#    my $Ptr = '';
+#    $Ptr .= '<table border="0"><tbody>';
+#    $Ptr .= '<tr><td align="right"><b>Select Sections</b>';
+#    $Ptr .= '</td>'."\n";
+#    $Ptr .= '<td align="left">'."\n";
+#    my @sectionsSelected = split(':',$cache{'sectionsSelected'});
+#    my @sections = split(':',$cache{'sectionList'});
+#    $Ptr .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections,
+#                                                          \@sectionsSelected,
+#                                                          'Statistics');
+#    $Ptr .= '</td></tr></table><br>';
+#    $r->print($Ptr);
+#    $r->rflush();
+#    my %mySections = ();
+#    foreach (@sections) { $mySections{$_} = 'True'; }
+#    $r->print("<br>$cache{'sectionsSelected'}<br>");
+
     my $Str='';
     $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&nbsp</a></td>'."\n";
-    $Str .= &Apache::lonhtmlcommon::CreateHeadings(\%cache, 
+    $Str .= &Apache::lonhtmlcommon::CreateHeadings(\%cache,
                                                    $studentInformation,
                                                    $headings, $displayString);
     $Str .= '</tr>'."\n";
 
     my $alternate=0;
     foreach (@$students) {
+#        if ($mySections{$cache{$_.':'.'section'}} ne 'True') {next;}
         my ($username, $domain) = split(':', $_);
         if($alternate) {
             $Str .= '<tr bgcolor="#ffffe6">';
@@ -504,9 +530,11 @@ sub BuildStatistics {
     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'         => 'Percentage Graphs',
 #                   'activitylog'        => 'Activity Log',
                    'reportSelected'     => 'Class list');
 
@@ -517,15 +545,15 @@ sub BuildStatistics {
 
     $r->print(&Apache::lonhtmlcommon::Title('Course Statistics and Charts'));
 
-    my ($returnValue, $students) = &PrepareData($c, $cacheDB, 
-                                                \@studentInformation, 
+    my ($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, 
+        &Apache::loncoursedata::CheckForResidualDownload($cacheDB,
                                                          'true', 'true',
                                                          $courseID,
                                                          $r, $c);
@@ -535,8 +563,8 @@ sub BuildStatistics {
     if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
         $GoToPage = $cache{'reportSelected'};
         $reports{'reportSelected'} = $cache{'reportSelected'};
-        if(defined($cache{'reportKey'}) && 
-           !exists($reports{$cache{'reportKey'}}) && 
+        if(defined($cache{'reportKey'}) &&
+           !exists($reports{$cache{'reportKey'}}) &&
            $cache{'reportKey'} ne 'false') {
             $reports{$cache{'reportKey'}} = $cache{'reportSelected'};
         }
@@ -558,9 +586,9 @@ sub BuildStatistics {
     if($GoToPage eq 'Activity Log') {
         &Apache::lonproblemstatistics::Activity();
     } elsif($GoToPage eq 'Problem Statistics') {
-        &Apache::lonproblemstatistics::BuildProblemStatisticsPage($cacheDB, 
-                                                                  $students, 
-                                                                  $courseID, 
+        &Apache::lonproblemstatistics::BuildProblemStatisticsPage($cacheDB,
+                                                                  $students,
+                                                                  $courseID,
                                                                   $c,$r);
     } elsif($GoToPage eq 'Option Response Analysis') {
         &Apache::lonproblemanalysis::BuildProblemAnalysisPage($cacheDB, $r);
@@ -574,7 +602,7 @@ sub BuildStatistics {
                                                           \@studentInformation,
                                                           $r, $c);
     } elsif($GoToPage eq 'Analyze') {
-        &Apache::lonproblemanalysis::BuildAnalyzePage($cacheDB, $students, 
+        &Apache::lonproblemanalysis::BuildAnalyzePage($cacheDB, $students,
                                                       $courseID, $r);
     } elsif($GoToPage eq 'DoDiffGraph' || $GoToPage eq 'PercentWrongGraph') {
         my $courseDescription = $ENV{'course.'.$courseID.'.description'};
@@ -586,6 +614,9 @@ sub BuildStatistics {
     } elsif($GoToPage eq 'Class list') {
         &BuildClasslist($cacheDB, $students, \@studentInformation,
                         \@headings, $r);
+    } elsif($GoToPage eq 'Percentage Graphs') {
+	&Apache::lonpercentage::BuildPercentageGraph($cacheDB, $students,
+						     $courseID, $c, $r);
     }
 
     $r->print('</form>'."\n");
@@ -602,10 +633,17 @@ sub handler {
 
 #    $jr = $r;
 
+    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 $loaderror; }
+
     unless(&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
         $ENV{'user.error.msg'}=
         $r->uri.":vgr:0:0:Cannot view grades for complete course";
-        return HTTP_NOT_ACCEPTABLE; 
+        return HTTP_NOT_ACCEPTABLE;
     }
 
     # Set document type for header only
@@ -623,7 +661,7 @@ sub handler {
     unless($ENV{'request.course.fn'}) {
 	my $requrl=$r->uri;
         $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
-        return HTTP_NOT_ACCEPTABLE; 
+        return HTTP_NOT_ACCEPTABLE;
     }
 
     $r->content_type('text/html');