';
- $Str .= "\n".'';
- $r->print($Str);
- $r->rflush();
+
+sub previous_student {
+ return $prev_student;
}
-sub Decide {
- my ($type,$foil,$time)=@_;
- my $k=0;
- while ($time>$ConceptData{'Int.'.($k+1)} &&
- $k<$ConceptData{'Interval'}) {$k++;}
- $ConceptData{"$foil_to_concept{$foil}.$k.$type"}++;
+
+sub next_student {
+ return $next_student;
}
-sub OpStatus {
- my ($rid,$student)=@_;
- my ($uname,$udom)=split(/\:/,$student);
- my $code='U';
- $rid=~/(\d+)\.(\d+)/;
- my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.
- &Apache::lonnet::declutter($hash{'src_'.$rid});
- my %reshash=&Apache::lonnet::restore($symb,$cid,$udom,$uname);
- my @True = ();
- my @False = ();
- my $flag=0;
- @shown=();
- if ($reshash{'version'}) {
- for (my $version=1;$version<=$reshash{'version'};$version++) {
- my $time=$reshash{"$version:timestamp"};
- foreach (sort(split(/\:/,$reshash{$version.':keys'}))) {
- if (($_=~/\.(\w+)\.(\w+)\.submission$/)) {
- my $Id1 = $1;
- my $Id2 = $2;
- my $Resp = $reshash{$_};
- my %submission=&Apache::lonnet::str2hash($Resp);
- foreach (keys %submission) {
- my $Ansr = $Answer{"$Id1.$Id2.foil.value.$_"};
- #$r->print(" shown: ".join(',',@shown)." size=$#shown");
- if ($submission{$_}) {
- #if($#shown==-1){
- #my @str=split(/\&/,$Resp);
- #my $garb;
- #for(my $j=0;$j<=$#str;$j++){
- # ($shown[$j],$garb)=split(/\=/,$str[$j]);
- #}
- ##$r->print(" shown: ".join(',',@shown)." size=$#shown");
- #}
- if ($submission{$_} eq $Ansr) {
- &Decide("true",$_,$time );
- }
- else {&Decide("false",$_,$time );}
- }
- #else {
- # if ($#shown==-1 && $flag==0) {
- # $flag++;
- # &InitAnalysis($rid,$student);
- # }
- # my @erl=split(/\:/,$_);
- # for (my $i=0;$i<=$#shown; $i++){
- # my $Ans=$Answer{"$Id1.$Id2.foil.value.$shown[$i]"};
- # if ($erl[$i] eq $Ans) {
- # &Decide("true",$shown[$i],$time);
- # }
- # else {&Decide("false",$shown[$i],$time);}
- # }
- #}
- }
- }
- }
+
+sub StudentDataSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '\n";
+ return $Str;
}
-#------- Processing upperlist and lowerlist according to each problem
-sub ProcessDisc {
- my @List = @_;
- @List = sort (@List);
- my $Count = $#List+1;
- my $Prb;
- my @Dis;
- my $Slvd=0;
- my $tmp;
- my $Sum1=0;
- my $Sum2=0;
- my $nIdx=0;
- my $nStud=0;
- my %Proc;
- undef %Proc;
- while ($nIdx<$Count) {
- ($Prb,$tmp)=split(/\=/,$List[$nIdx]);
- @Dis=split(/\+/,$tmp);
- my $Temp = $Prb;
- do {
- $nIdx++;
- $nStud++;
- $Sum1 += $Dis[0];
- $Sum2 += $Dis[1];
- ($Prb,$tmp)=split(/\=/,$List[$nIdx]);
- @Dis=split(/\+/,$tmp);
- } while ( $Prb eq $Temp && $nIdx < $Count );
-# $Proc{$Temp}=($Sum1/$nStud).':'.$nStud;
- $Proc{$Temp}=($Sum1/$nStud).':'.($Sum2/$nStud);
-# $r->print("$nIdx) $Temp --> ($nStud) $Proc{$Temp} ");
- $Sum1=0;
- $Sum2=0;
- $nStud=0;
+
+sub get_selected_maps {
+ my ($elementname) = @_;
+ my @selected_maps =
+ &Apache::loncommon::get_env_multiple('form.'.$elementname);
+ @selected_maps = ('all') if (! @selected_maps);
+ foreach my $map (@selected_maps) {
+ if ($map eq 'all') {
+ @selected_maps = ('all');
+ last;
+ }
}
- return %Proc;
+ return @selected_maps;
}
-#------- Creating Discimination factor
-sub Discriminant {
- my $Count=0;
- foreach (keys(%DiscFac)){
- $Count++;
- }
- $UpCnt = int(0.27*$Count);
- my $low=0;
- my $up=$Count-$UpCnt;
- my @UpList=();
- my @LowList=();
- $Count=0;
- foreach my $key (sort(keys(%DiscFac))){
- $Count++;
- #$r->print(" $Count) $key = $DiscFac{$key}");
- if ($low < $UpCnt || $Count > $up) {
- $low++;
- my $str=$DiscFac{$key};
- foreach(split(/\:/,$str)){
- if ($_) {
- if ($low<$UpCnt){push(@LowList,$_);}
- else {push(@UpList,$_);}
- }
- }
- }
+
+
+sub selected_sequences_with_assessments {
+ my ($mode) = @_;
+ $mode = 'selected' if (! defined($mode));
+ my $navmap = Apache::lonnavmaps::navmap->new();
+ if (!defined($navmap)) {
+ return ('Can not open Coursemap');
+ }
+ #
+ my @sequences = $navmap->retrieveResources(undef,
+ sub { shift->is_map(); },1,0,1);
+ my $toplevelseq = $navmap->getById('0.0');
+ if (!grep(/^\Q$toplevelseq\E$/,@sequences)) {
+ unshift(@sequences,$toplevelseq);
}
- %DisUp=&ProcessDisc(@UpList);
- %DisLow=&ProcessDisc(@LowList);
-}
-
-sub NumericSort {
- $a <=> $b;
+ my @sequences_with_assessments;
+ foreach my $sequence (@sequences) {
+ if ($navmap->hasResource($sequence,sub { shift->is_gradable(); },0,1)){
+ push(@sequences_with_assessments,$sequence);
+ }
+ }
+ #
+ my @sequences_to_show;
+ foreach my $sequence (@sequences_with_assessments) {
+ if ($mode eq 'all') {
+ push (@sequences_to_show,$sequence);
+ } elsif ($mode eq 'selected') {
+ foreach my $map_symb (&get_selected_maps('Maps')) {
+ if ($sequence->symb eq $map_symb || $map_symb eq 'all'){
+ push (@sequences_to_show,$sequence);
+ last; # Only put it in once
+ }
+ }
+ }
+
+ }
+ return $navmap,@sequences_to_show;
}
-# ------ Create different Student Report
-sub StudentReport {
- my ($sname,$sdom)=@_;
- if ( $sname eq 'All Students' ) {
- $r->print( '
WARNING:
- Please select a student
' );
- return;
- }
- my %result = &Apache::lonnet::dump($cid,$sdom,$sname);
- my $ResId;
- my $PrOrd;
- my $Code;
- my $Tries;
- my $TotalTries = 0;
- my $ParCr = 0;
- my $Wrongs;
- my %TempHash;
- my $Version;
- my $LatestVersion;
- my $PtrTry='';
- my $PtrCod='';
- my $SetNo=0;
- my $Str = "\n".'
'.
- "\n".'
'.
- "\n".'
#
'.
- "\n".'
Set Title
'.
- "\n".'
Results
'.
- "\n".'
Tries
'.
- "\n".'
';
- my ($temp)=keys(%result);
- unless ($temp=~/^error\:/) {
- foreach my $CurCol (@cols) {
- if (!$CurCol){
- my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1});
- if ( $Set ) {
- $SetNo++;
- $Str .= "\n"."
".
- "\n"."
$SetNo
".
- "\n"."
$Set
".
- "\n"."
$PtrCod
".
- "\n"."
$PtrTry
".
- "\n"."
";
- }
- $PtrTry='';
- $PtrCod='';
- next;
- }
- ($PrOrd,$ResId)=split(/\:/,$CurCol);
- $ResId=~/(\d+)\.(\d+)/;
- my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} );
- if ( $CurMap ne 'All Maps' ) {
- my ( $ResMap, $NameMap ) = split(/\=/,$CurMap);
- if ( $Map ne $ResMap ) { next; }
- }
- my $meta=$hash{'src_'.$ResId};
- my $PartNo = 0;
- undef %TempHash;
- foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))){
- if ($_=~/^stores\_(\w+)\_tries$/) {
- my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
- if ( $TempHash{"$Part"} eq '' ) {
- $TempHash{"$Part"} = $Part;
- $TempHash{$PartNo}=$Part;
- $TempHash{"$Part.Code"} = '-';
- $TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo;
- $PartNo++;
- }
- }
+
+sub map_select {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Set up array of selected items
+ my @selected_maps = &get_selected_maps($elementname);
+ #
+ # Build the form element
+ my $form = "\n";
+ $form .= '\n";
+ return $form;
+}
- my $Prob = $Map.'___'.$2.'___'.
- &Apache::lonnet::declutter( $hash{'src_'.$ResId} );
- $Code='U';
- $Tries = 0;
- $Wrongs = 0;
- $LatestVersion = $result{"version:$Prob"};
- if ( $LatestVersion ) {
- for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
- my $vkeys = $result{"$Version:keys:$Prob"};
- my @keys = split(/\:/,$vkeys);
-
- foreach my $Key (@keys) {
- if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
- my $Part = $1;
- $Tries = $result{"$Version:$Prob:resource.$Part.tries"};
- $TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0;
- $TotalTries += $Tries;
- my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
- if ( $Val eq 'correct_by_student' )
- { $Wrongs = $Tries - 1; $Code = 'Y'; }
- elsif ( $Val eq 'correct_by_override' )
- { $Wrongs = $Tries - 1; $Code = 'y'; }
- elsif ( $Val eq 'incorrect_attempted' ||
- $Val eq 'incorrect_by_override' )
- { $Wrongs = $Tries; $Code = 'N'; }
- $TempHash{"$Part.Code"} = $Code;
- $TempHash{"$Part.Wrongs"} = $Wrongs;
- }
- }
- }
- for ( my $n = 0; $n < $PartNo; $n++ ) {
- my $part = $TempHash{$n};
- if ($PtrTry ne '') {$PtrTry .= ',';}
- $PtrTry .= "$TempHash{$part.'.Tries'}";
- $PtrCod .= "$TempHash{$part.'.Code'}";
- }
+
+sub SectionSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Make sure we have the data we need to continue
+ if (! @Sections) {
+ &PrepareClasslist()
+ }
+ #
+ # Make sure course's student table is up to date
+ if (@Sections) {
+ &Apache::loncoursedata::ensure_current_sections();
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '
'."\n";
- for ( my $nIdx=0; $nIdx < $ColNo; $nIdx++ ) {
- $Result .= '
'.''.'
'."\n";
+
+sub GroupSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Make sure we have the data we need to continue
+ if (! @Groups) {
+ &PrepareClasslist();
+ }
+ #
+ # Make sure course's groupnames and studentgroups tables
+ # are up to date.
+ #
+ if (@Groups) {
+ &Apache::loncoursedata::ensure_current_groups();
+ &Apache::loncoursedata::ensure_current_students_groups();
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '
'."\n");
+
+
+
+sub DisplayClasslist {
+ my ($r)=@_;
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({text=>'Select One Student'});
+ #
+ # Output some of the standard interface components
+ my $Str;
+ $Str .= &Apache::lonhtmlcommon::breadcrumbs('Select One Student');
+ $Str .= '
'.
- ' #Stdnts: Total Number of Students opened the problem. '.
- ' Tries : Total Number of Tries for solving the problem. '.
- ' Mod : Maximunm Number of Tries for solving the problem. '.
- ' Mean : Average Number of the tries. [ Tries / #Stdnts ] '.
- ' #YES : Number of students solved the problem correctly. '.
- ' #yes : Number of students solved the problem by override. '.
- ' %Wrng : Percentage of students tried to solve the problem but'.
- ' still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ] '.
-# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ] '. Kashy formula
- ' DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ] '. #Gerd formula
- ' S.D. : Standard Deviation of the tries.'.
- '[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'.
- ' where Xi denotes every student\'s tries ] '.
- ' Skew. : Skewness of the students tries.'.
- ' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ] '.
- ' Dis.F. : Discrimination Factor: A Standard for '.
- 'evaluating the problem according to a Criterion '.
- ' [Applied Criterion in %27 Upper Students - '.
- 'Applied the same Criterion in %27 Lower Students] '.
- ' 1st Criterion for Sorting the Students: '.
- 'Sum of Partial Credit Awarded / Total Number of Tries '.
- ' 2nd Criterion for Sorting the Students: '.
- 'Total number of Correct Answers / Total Number of Tries'.
- '
';
-
- $r->print($Ptr);
- $r->rflush();
-
- if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) {
- if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) {
- tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640);
- &Cache_Statistics();
- }
- else {
- $r->print("Unable to tie hash to db file");
- }
- }
- else {
- if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) {
- tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640);
- foreach (keys %DiscFac) {delete $CachData{$_};}
- foreach (keys %CachData) {delete $CachData{$_};}
- $DiscFlag=0;
- &Build_Statistics();
- }
- else {
- $r->print("Unable to tie hash to db file");
+ #
+ my @Fields = ('fullname','username','domain','id','section','status','groups');
+ #
+ $Str = '';
+ my @selected_sections = &get_selected_sections();
+ if (! @Students) {
+ if ($selected_sections[0] eq 'all') {
+ if (lc($env{'form.Status'}) eq 'active') {
+ $Str .= '
'.
+ &mt('There are no currently enrolled students in the course.').
+ '
';
+ }
+ $Str .= &Apache::loncommon::end_data_table_row();
+ }
+ $Str .= &Apache::loncommon::end_data_table();
+ #
+ $r->print($Str);
+ $r->rflush();
+ #
+ return;
}
-# ------------------------------------- Find the section of student in a course
-sub usection {
- my ($udom,$unam,$courseid,$ActiveFlag)=@_;
- $courseid=~s/\_/\//g;
- $courseid=~s/^(\w)/\/$1/;
- foreach (split(/\&/,&Apache::lonnet::reply('dump:'.
- $udom.':'.$unam.':roles',
- &Apache::lonnet::homeserver($unam,$udom)))){
- my ($key,$value)=split(/\=/,$_);
- $key=&Apache::lonnet::unescape($key);
- if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) {
- my $section=$1;
- if ($key eq $courseid.'_st') { $section=''; }
- my ($dummy,$end,$start)=split(/\_/,&Apache::lonnet::unescape($value));
- if ( $ActiveFlag ne 'Any' ) {
- my $now=time;
- my $notactive=0;
- if ($start) {
- if ($now<$start) { $notactive=1; }
- }
- if ($end) {
- if ($now>$end) { $notactive=1; }
- }
- if ((($ActiveFlag eq 'Expired') && $notactive == 1) ||
- (($ActiveFlag eq 'Active') && $notactive == 0 ) ) {
- return $section;
- }
- else { return '-1'; }
- }
- return $section;
- }
- }
- return '-1';
+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);
+
}
-# ------ Dump the Student's DB file and handling the data for statistics table
-sub ExtractStudentData {
- my $student=shift;
- my ($sname,$sdom) = split( /\:/, $student );
- my %result = &Apache::lonnet::dump($cid,$sdom,$sname);
- my $ResId;
- my $PrOrd;
- my $Dis = '';
- my $Code;
- my $Tries;
- my $ParCr;
- my $TotalTries = 0;
- my $TotalOpend = 0;
- my $ProbSolved = 0;
- my $ProbTot = 0;
- my $TimeTot = 0;
- my $TotParCr = 0;
- my $Wrongs;
- my %TempHash;
- my $Version;
- my $LatestVersion;
- my $SecLimit;
- my $MapLimit;
- my ($temp)=keys(%result);
- unless ($temp=~/^error\:/) {
- foreach my $CurCol(@cols) {
- ($PrOrd,$ResId)=split(/\:/,$CurCol);
- if ( !$CurCol ) { next; }
- $ResId=~/(\d+)\.(\d+)/;
- my $MapId=$1;
- my $PrbId=$2;
- my $MapOrg = $hash{'map_id_'.$MapId};
- my $Map = &Apache::lonnet::declutter($MapOrg);
- if ( $CurMap ne 'All Maps' ) {
- my ( $ResMap, $NameMap ) = split(/\=/,$CurMap);
- if ( $Map ne $ResMap ) { next; }
- }
- my $meta=$hash{'src_'.$ResId};
- my $PartNo = 0;
- $Dis .= ':';
- undef %TempHash;
-
- foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
- if ($_=~/^stores\_(\w+)\_tries$/) {
- my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
- if ( $TempHash{"$Part"} eq '' ) {
- $TempHash{"$Part"} = $Part;
- $TempHash{$PartNo}=$Part;
- $TempHash{"$Part.Code"} = 'U';
- $TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo;
- $PartNo++;
- }
- #my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
- }
+
+sub handler {
+ my $r=shift;
+ my $c = $r->connection();
+ #
+ # Check for access
+ if (! &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) {
+ $env{'user.error.msg'}=
+ $r->uri.":vgr:0:0:Cannot view grades for complete course";
+ if (! &Apache::lonnet::allowed('vgr',
+ $env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
+ $env{'user.error.msg'}=
+ $r->uri.":vgr:0:0:Cannot view grades with given role";
+ return HTTP_NOT_ACCEPTABLE;
+ }
+ }
+ #
+ # Send the header
+ &Apache::loncommon::no_cache($r);
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ if ($r->header_only) { return OK; }
+ #
+ # Extract form elements from query string
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['sort','reportSelected',
+ 'SelectedStudent']);
+ my $GoToPage = $env{'form.reportSelected'};
+
+ #
+ # 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 $head_extra = $style;
+ if (($env{'form.reportSelected'} eq 'student_submission_reports') &&
+ ($env{'form.renderprob'})) {
+ my @Symbs = &Apache::lonstathelpers::get_selected_symbs('problemchoice');
+ if (scalar(@Symbs) == 1) {
+ $head_extra .= &Apache::loncommon::css_links($Symbs[0]);
+ }
+ } elsif ($env{'form.reportSelected'} eq 'submissiontime_analysis') {
+ my ($navmap,$current_problem) =
+ &Apache::lonsubmissiontimeanalysis::get_current_problem();
+ if (ref($current_problem) eq 'HASH') {
+ my $symb = $current_problem->{'symb'};
+ if ($symb) {
+ $head_extra .= &Apache::loncommon::css_links($symb);
}
- &Apache::lonnet::declutter( $hash{'src_'.$ResId} );
- my $URI = $hash{'src_'.$ResId};
- my $Prob = $Map.'___'.$PrbId.'___'.
- &Apache::lonnet::declutter($URI);
- $Code='U';
- $Tries = 0;
- $ParCr = 0;
- $Wrongs = 0;
- $LatestVersion = $result{"version:$Prob"};
- if ( $LatestVersion ) {
- for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
- my $vkeys = $result{"$Version:keys:$Prob"};
- my @keys = split(/\:/,$vkeys);
- foreach my $Key (@keys) {
- if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
- my $Part = $1;
- $Tries = $result{"$Version:$Prob:resource.$Part.tries"};
- $ParCr = $result{"$Version:$Prob:resource.$Part.awarded"};
- my $Time = $result{"$Version:$Prob:timestamp"};
- $TempHash{"$Part.Time"} = ($Time) ? $Time : 0;
- $TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0;
- $TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0;
- $TotalTries += $TempHash{"$Part.Tries"};
- $TotParCr += $TempHash{"$Part.ParCr"};
- my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
- if ( $Val eq 'correct_by_student' )
- { $Wrongs = $Tries - 1; $Code = 'C'; }
- elsif ( $Val eq 'correct_by_override' )
- { $Wrongs = $Tries - 1; $Code = 'O'; }
- elsif ( $Val eq 'incorrect_attempted' ||
- $Val eq 'incorrect_by_override' )
- { $Wrongs = $Tries; $Code = 'I'; }
- $TempHash{"$Part.Code"} = $Code;
- $TempHash{"$Part.Wrongs"} = $Wrongs;
- }
- }
- }
- for ( my $n = 0; $n < $PartNo; $n++ ) {
- my $part = $TempHash{$n};
- my $Yes = 0;
- if ( $TempHash{$part.'.Code'} eq 'C' ||
- $TempHash{$part.'.Code'} eq 'O' )
- {$ProbSolved++;$Yes=1;}
-
- # my $ptr = "$hash{'title_'.$ResId}";
- my $ptr = $TempHash{$part.'.PrOrd'}.'&'.$ResId;
-
- if ( $PartNo > 1 ) {
- $ptr .= "*(part $part)";
- $Dis .= '&';
- }
- my $Fac = ($TempHash{"$part.Tries"}) ?
- ($TempHash{"$part.ParCr"}/$TempHash{"$part.Tries"}) : 0;
- my $DisF;
- if ( $Fac > 0 && $Fac < 1 ) {
- $DisF = sprintf( "%.4f", $Fac );
- }
- else {$DisF = $Fac;}
-# $DisF .= '+'.$TempHash{"$part.Time"};33333333
- $TimeTot += $TempHash{"$part.Time"};
- $Dis .= $TempHash{$part.'.PrOrd'}.'='.$DisF.'+'.$Yes;
- $ptr .= "&$TempHash{$part.'.Tries'}".
- "&$TempHash{$part.'.Wrongs'}".
- "&$TempHash{$part.'.Code'}";
- push (@list, $ptr);
- $TotalOpend++;
- $ProbTot++;
- }
+ }
+ } elsif (($env{'form.reportSelected'} eq 'problem_analysis') &&
+ ($env{'form.show_prob'})) {
+ my $problem_types = &Apache::lonproblemanalysis::analyzable_types();
+ my ($navmap,$current_problem) =
+ &Apache::lonproblemanalysis::get_current_problem($problem_types);
+ if (ref($current_problem) eq 'HASH') {
+ my $symb = $current_problem->{'symb'};
+ my $res = $current_problem->{'resource'};
+ if ($symb) {
+ $head_extra .= &Apache::loncommon::css_links($symb);
}
- #else {
- #for(my $n=0; $n<$PartNo; $n++) {
- # push (@list, "$TempHash{'0'.'.PrOrd'}.':'.$ResId:0:0:U");
- # $ProbTot++;
- #}
- #}
- }
- if ( $TotalTries ) {
- my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0;
- my $DisFactor = sprintf( "%.4f", $DisFac );
- $DiscFac{$DisFactor}=$Dis;
- #my $time;
- #if ($ProbSolved){
- #$time = int(($TimeTot/$ProbSolved)-10000000);
- #}
- #$DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'.
- # $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis;
+ }
+ }
+ $r->print(&Apache::loncommon::start_page('Course Statistics and Charts',
+ $head_extra));
+ $r->rflush();
+ #
+ # Either print out a menu for them or send them to a report
+ &Apache::lonhtmlcommon::clear_breadcrumbs();
+ &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/statistics',
+ title=>'Statistics',
+ text =>'Statistics',
+ faq=>139,
+ bug=>'Statistics and Charts'});
+ if ($GoToPage eq '') {
+ $r->print(&Apache::lonhtmlcommon::breadcrumbs('Statistics Main Page'));
+ &Apache::lonquickgrades::startGradeScreen($r,'statistics');
+ $r->print(&CreateMainMenu());
+ } else {
+ #
+ if (! &Apache::lonmysql::verify_sql_connection()) {
+ my $serveradmin = $r->dir_config('lonAdmEMail');
+ $r->print('
'.
+ &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.').'