Diff for /loncom/interface/statistics/lonstudentassessment.pm between versions 1.5 and 1.28

version 1.5, 2002/07/31 14:35:38 version 1.28, 2003/02/21 18:41:56
Line 6 Line 6
 # Copyright Michigan State University Board of Trustees  # Copyright Michigan State University Board of Trustees
 #  #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).  # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
 #  
 # LON-CAPA is free software; you can redistribute it and/or modify  # LON-CAPA is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by  # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or  # the Free Software Foundation; either version 2 of the License, or
Line 26 Line 25
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # (Navigate problems for statistical reports  # (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  Behrouz Minaei  
 #  #
 ###  #######################################################
   #######################################################
   
   =pod
   
   =head1 NAME
   
   lonstudentassessment
   
   =head1 SYNOPSIS
   
   Presents assessment data about a student or a group of students.
   
   =head1 Subroutines
   
   =over 4 
   
   =cut
   
   #######################################################
   #######################################################
   
 package Apache::lonstudentassessment;   package Apache::lonstudentassessment;
   
 use strict;  use strict;
   use Apache::lonstatistics;
 use Apache::lonhtmlcommon;  use Apache::lonhtmlcommon;
 use Apache::loncoursedata;  use Apache::loncoursedata;
   use Apache::lonnet; # for logging porpoises
 use GDBM_File;  use GDBM_File;
   
 #my $jr;  #######################################################
   #######################################################
   
   =pod
   
   =item &BuildStudentAssessmentPage()
   
   Inputs: 
   
   =over 4
   
   =item $cacheDB The name of the cache file used to store student data
   
   =item $students Array ref containing the name(s) of the students 
   selected for display
   
   =item $courseID The ID of the course
   
   =item $formName The name of the html form - 'Statistics'
   
   =item $headings Array ref of headings to show
   
   =item $spacing A string of spaces
   
   =item $studentInformation Array ref of possible headings for student info
   ('fullname','section',...)
   
   =item $r Apache Request
   
   =item $c Apache Connection 
   
   =back
   
   =cut
   
   #######################################################
   #######################################################
 sub BuildStudentAssessmentPage {  sub BuildStudentAssessmentPage {
     my ($cacheDB,$students,$courseID,$formName,$headings,$spacing,      my ($cacheDB,$students,$courseID,$formName,$headings,$spacing,
         $studentInformation,$r,$c)=@_;          $studentInformation,$r,$c)=@_;
 #    $jr = $r;  
     my %cache;      my %cache;
     unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {      unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
         $r->print('<html><body>Unable to tie database.</body></html>');          $r->print('<html><body>Unable to tie database.</body></html>');
         return;          return;
     }      }
Line 78  sub BuildStudentAssessmentPage { Line 127  sub BuildStudentAssessmentPage {
         }          }
     }      }
     my ($infoHeadings, $infoKeys, $sequenceHeadings, $sequenceKeys,      my ($infoHeadings, $infoKeys, $sequenceHeadings, $sequenceKeys,
         $doNotShow) =           $doNotShow) =
         &ShouldShowColumns(\%cache, $headings, $studentInformation);          &ShouldShowColumns(\%cache, $headings, $studentInformation);
   
     my $selectedName = &FindSelectedStudent(\%cache,       my $selectedName = &FindSelectedStudent(\%cache,
                                             $cache{'StudentAssessmentStudent'},                                              $cache{'StudentAssessmentStudent'},
                                             $students);                                              $students);
     $r->print(&CreateInterface(\%cache, $selectedName, $students, $formName,      $r->print(&CreateInterface(\%cache, $selectedName, $students, $formName,
                                $doNotShow));                                 $doNotShow));
       $r->rflush();
   
     my $Str = '';      my $Str = '';
     if($selectedName eq 'No Student Selected') {      if($selectedName eq 'No Student Selected') {
Line 98  sub BuildStudentAssessmentPage { Line 148  sub BuildStudentAssessmentPage {
     $r->print(&CreateTableHeadings(\%cache, $spacing, $infoKeys, $infoHeadings,      $r->print(&CreateTableHeadings(\%cache, $spacing, $infoKeys, $infoHeadings,
                                    $sequenceKeys, $sequenceHeadings));                                     $sequenceKeys, $sequenceHeadings));
     untie(%cache);      untie(%cache);
       if($c->aborted()) {  return $Str; }
   
     my $selected=0;      my $selected=0;
       my $Count = 0;
     $r->print('<pre>'."\n");      $r->print('<pre>'."\n");
     foreach (@$students) {      foreach (@$students) {
         next if ($_ ne $selectedName &&           if($c->aborted()) { return $Str; }
           next if ($_ ne $selectedName &&
                  $selectedName ne 'All Students');                   $selectedName ne 'All Students');
         $selected = 1;          $selected = 1;
         my $courseData;   
         my $downloadTime='';          my @who = ($_);
           next if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'true',
                                                                $cacheDB, 'true',
                                                                'false', $courseID,
                                                                $r, $c) ne 'OK');
           next if($c->aborted());
   
         if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {          if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
             $downloadTime = $cache{$_.':lastDownloadTime'};              my @before=();
             untie(%cache);              my @after=();
         }              my @updateColumn=();
         if($downloadTime eq 'Not downloaded') {              my $foundUpdate = 0;
             $courseData =               foreach(@$infoKeys) {
                 &Apache::loncoursedata::DownloadCourseInformation($_,                   if(/updateTime/) {
                                                                   $courseID);                      $foundUpdate=1;
             unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT(),0640)) {                      push(@updateColumn, $_);
                 last if($c->aborted());                      next;
                 next;                  }
                   if($foundUpdate) {
                       push(@after, $_);
                   } else {
                       push(@before, $_);
                   }
             }              }
             &Apache::loncoursedata::ProcessStudentData(\%cache,               $Count++;
                                                        $courseData, $_);      my $out = '';
             untie(%cache);      $out .= sprintf("%3d) ", $Count);
         }              if($Count % 2) {
                   $out .= '<bgcolor="#FFFFFF">';
               } else {
                   $out .= '<bgcolor="#505050">';
               }
       my $displayString = $out.'DISPLAYDATA'.$spacing;
       $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
                                                            \%cache, $_,
                                                            \@before,
                                                            $displayString,
                                                            'preformatted'));
   
         last if ($c->aborted());              if($foundUpdate) {
                   $displayString = '';
                   $displayString .= '<a href="/adm/statistics?reportSelected=';
                   $displayString .= &Apache::lonnet::escape('Student Assessment');
                   $displayString .= '&download='.$_.'">';
                   $displayString .= 'DISPLAYDATA</a>'.$spacing;
                   $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
                                                                      \%cache, $_,
                                                                      \@updateColumn,
                                                                      $displayString,
                                                                      'preformatted'));
               }
   
         if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {              $displayString = 'DISPLAYDATA'.$spacing;
             my $displayString = 'DISPLAYDATA'.$spacing;  
             $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(              $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
                                                          \%cache, $_,                                                           \%cache, $_,
                                                          $infoKeys,                                                           \@after,
                                                          $displayString,                                                           $displayString,
                                                          'preformatted'));                                                           'preformatted'));
             $r->print(&StudentReport(\%cache, $_, $spacing, $sequenceKeys));              $r->print(&StudentReport(\%cache, $_, $spacing, $sequenceKeys));
             $r->print("\n");              $r->print("\n");
               $r->rflush();
             untie(%cache);              untie(%cache);
         }          }
     }      }
     $r->print('</pre>'."\n");      $r->print('</pre>'."\n"); 
     if($selected == 0) {      if($selected == 0) {
  $Str .= '<h3><font color=blue>WARNING: ';   $Str .= '<h3><font color=blue>WARNING: ';
         $Str .= 'Please select a student</font></h3>';          $Str .= 'No Students enrolled OR Please select a student</font></h3>';
         $r->print($Str);          $r->print($Str);
       } else {
    if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
       $r->print(&StudentAverageTotal(\%cache, $students, $sequenceKeys));
       untie(%cache);
    }
     }      }
   
     return;      return;
 }  }
   #######################################################
   #######################################################
   
   =pod
   
   =item &CreateInterface()
   
   Called by &BuildStudentAssessmentPage to create the top part of the
   page which displays the chart.
   
   Inputs:
   
   =over 4
   
   =item $cache The ubiquitous cache
   
   =item $selectedName The name of the currently selected student, or
   'All Students' or 'No Student Selected'.
   
   =item $students Array ref containing the name(s) of the students selected
   for display.
   
   =item $formName The name of the HTML form to use, 'Statistics'
   
 #---- Student Assessment Web Page --------------------------------------------  =item $doNotShow Array ref containing the names of columns to not show
   
   =back
   
   Returns:  A string containing the HTML for the headers and top table for 
   the chart page.
   
   =cut
   
   #######################################################
   #######################################################
 sub CreateInterface {  sub CreateInterface {
     my($cache,$selectedName,$students,$formName,$doNotShow)=@_;      my($cache,$selectedName,$students,$formName,$doNotShow)=@_;
   
Line 159  sub CreateInterface { Line 280  sub CreateInterface {
     $Str .= '<input type="submit" name="PreviousStudent" ';      $Str .= '<input type="submit" name="PreviousStudent" ';
     $Str .= 'value="Previous Student" />'."\n";      $Str .= 'value="Previous Student" />'."\n";
     $Str .= '&nbsp&nbsp&nbsp'."\n";      $Str .= '&nbsp&nbsp&nbsp'."\n";
     $Str .= &Apache::lonhtmlcommon::StudentOptions($cache, $students,       $Str .= &Apache::lonhtmlcommon::StudentOptions($cache, $students,
                                                    $selectedName,                                                      $selectedName,
                                                    'StudentAssessment',                                                      'StudentAssessment',
                                                    $formName);                                                     $formName);
     $Str .= "\n".'&nbsp&nbsp&nbsp'."\n";      $Str .= "\n".'&nbsp&nbsp&nbsp'."\n";
     $Str .= '<input type="submit" name="NextStudent" ';      $Str .= '<input type="submit" name="NextStudent" ';
Line 184  sub CreateInterface { Line 305  sub CreateInterface {
     $Str .= '</td><td>'."\n";      $Str .= '</td><td>'."\n";
     $Str .= '<input type="submit" name="DefaultColumns" ';      $Str .= '<input type="submit" name="DefaultColumns" ';
     $Str .= 'value="Default Column Display" />'."\n";      $Str .= 'value="Default Column Display" />'."\n";
       $Str .= '</td><td>'."\n";
       $Str .= '<input type="submit" name="displaymode" ';
       if (! exists($ENV{'form.displaymode'}) ||
           lc($ENV{'form.displaymode'}) eq 'display with links') {
           $Str .= 'value="Display without links" />';
           # Set the current value, in case it is undefined
           $ENV{'form.displaymode'} = 'Display with links';
       } else {
           $Str .= 'value="Display with links" />';
       }
       $Str .= "\n";
     $Str .= '</td></tr></table>'."\n";      $Str .= '</td></tr></table>'."\n";
   
     return $Str;      return $Str;
 }  }
   #######################################################
   #######################################################
   
   =pod
   
   =item &CreateTableHeadings()
   
   Create HTML for the columns of student data to show.
   Called by &BuildStudentAssessmentPage().  Calls
   &Apache::lonhtmlcommon::CreateHeadings().
   
   Inputs:
   
   =over 4
   
   =item $cache The ubiquitous cache
   
   =item $spacing A string of spaces
   
   =item $infoKeys Array ref to names of keys to display from the cache 
   which describe students
   
   =item $infoHeadings Array ref to headings of columns for student info
   
   =item $sequenceKeys Array ref of names of keys to use to retrieve sequence
   data from the cache
   
   =item $sequenceHeadings Array ref of names of sequences used for output.
   
   =back
   
   Returns: A string containing the HTML of the table headings.
   
   =cut
   
   #######################################################
   #######################################################
 sub CreateTableHeadings {  sub CreateTableHeadings {
     my($cache,$spacing,$infoKeys,$infoHeadings,$sequenceKeys,      my($cache,$spacing,$infoKeys,$infoHeadings,$sequenceKeys,
        $sequenceHeadings)=@_;         $sequenceHeadings)=@_;
   
   #    my $Str = '&nbsp&nbsp&nbsp&nbsp&nbsp';
     my $Str = '';      my $Str = '';
     $Str .= '<table border="0" cellpadding="0" cellspacing="0">'."\n";      $Str .= '<table border="0" cellpadding="0" cellspacing="0">'."\n";
   
     $Str .= '<tr>'."\n";      $Str .= '<tr>'."\n";
       $Str .= '<td><pre>     </pre></td>'."\n";
     $Str .= &CreateColumnSelectors($infoHeadings, $sequenceHeadings,      $Str .= &CreateColumnSelectors($infoHeadings, $sequenceHeadings,
                                    $sequenceKeys);                                     $sequenceKeys);
     $Str .= '<td></td></tr>'."\n";      $Str .= '<td></td></tr>'."\n";
   
     $Str .= '<tr>'."\n";      $Str .= '<tr>'."\n";
     my $displayString = '<td align="left"><pre><a href="/adm/statistics?';      my $displayString = '';
       $displayString .= '<td><pre>     </pre></td>'."\n";
       $displayString .= '<td align="left"><pre><a href="/adm/statistics?';
     $displayString .= 'sort=LINKDATA">DISPLAYDATA</a>FORMATTING';      $displayString .= 'sort=LINKDATA">DISPLAYDATA</a>FORMATTING';
     $displayString .= $spacing.'</pre></td>'."\n";      $displayString .= $spacing.'</pre></td>'."\n";
     $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,       $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,
                                                    $infoKeys,                                                     $infoKeys,
                                                    $infoHeadings,                                                     $infoHeadings,
                                                    $displayString,                                                     $displayString,
                                                    'preformatted');                                                     'preformatted');
   
     $displayString  = '<td align="left"><pre>DISPLAYDATA'.$spacing;      $displayString  = '<td align="left"><pre>DISPLAYDATAFORMATTING'.$spacing;
     $displayString .= '</pre></td>'."\n";      $displayString .= '</pre></td>'."\n";
     $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,      $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,
                                                    $sequenceKeys,                                                     $sequenceKeys,
Line 225  sub CreateTableHeadings { Line 396  sub CreateTableHeadings {
     return $Str;      return $Str;
 }  }
   
   #######################################################
   #######################################################
   
 =pod  =pod
   
 =item &FormatStudentData()  =item &StudentReport()
   
   This is the workhorse subroutine - it handles formatting and display of a
   students performance data.  It processes one row of the chart.
   
 First, FormatStudentInformation is called and prefixes the course information.  Input: 
 This function produces a formatted string of the student's course information.  
 Each column of data represents all the problems for a given sequence.  For  
 valid grade data, a link is created for that problem to a submission record  
 for that problem.  
   
 =over 4  =over 4
   
 Input: $name, $studentInformation, $ChartDB  =item $cache The ubiquitous cache
   
 $name: The name and domain of the current student in name:domain format  =item $name The name and domain of the current student in name:domain format
   
 $studentInformation: A pointer to an array holding the names used to   =item $spacing A string containing spaces.
 remove data from the hash.  They represent   
 the name of the data to be removed.  
   
 $ChartDB: The name of the cached data database which will be tied to that   =item $showSequences Array ref containing the sequences to display
 database.  
   =back
   
 Output: $Str  Output: $Str
   
 $Str: Formatted string that is an entire row of the chart.  It is a   $Str: Formatted string that is an entire row of the chart.  It is a
 concatenation of student information and student course information.  concatenation of student information and student course information.
   
 =back  
   
 =cut  =cut
   
   #######################################################
   #######################################################
 sub StudentReport {  sub StudentReport {
     my ($cache,$name,$spacing,$showSequences)=@_;      my ($cache,$name,$spacing,$showSequences)=@_;
     my ($username,$domain)=split(':',$name);      my ($username,$domain)=split(':',$name);
   
     my $Str = '';      my $Str = '';
       if(defined($cache->{$name.':error'})) {
           return $Str;
       }
     if($cache->{$name.':error'} =~ /course/) {      if($cache->{$name.':error'} =~ /course/) {
         $Str .= '<b><font color="blue">No course data for student </font>';          $Str .= '<b><font color="blue">No course data for student </font>';
         $Str .= '<font color="red">'.$username.'.</font></b><br>';          $Str .= '<font color="red">'.$username.'.</font></b><br>';
         return $Str;          return $Str;
     }      }
   
     my $Version;      my $hasVersion = 'false';
     my $problemsCorrect = 0;      my $hasFinalData = 'false';
     my $totalProblems   = 0;  
     my $problemsSolved  = 0;  
     my $numberOfParts   = 0;  
 #    foreach my $sequence (split(':', $cache->{'orderedSequences'})) {  
     foreach my $sequence (@$showSequences) {      foreach my $sequence (@$showSequences) {
           my $hasData = 'false';
         my $characterCount=0;          my $characterCount=0;
         foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {          foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
             my $problem = $cache->{$problemID.':problem'};              my $problem = $cache->{$problemID.':problem'};
             my $LatestVersion = $cache->{$name.':version:'.$problem};  
   
             # Output dashes for all the parts of this problem if there  
             # is no version information about the current problem.  
             if(!$LatestVersion) {  
                 foreach my $part (split(/\:/,$cache->{$sequence.':'.  
                                                       $problemID.  
                                                       ':parts'})) {  
                     $Str .= ' ';  
                     $totalProblems++;  
                     $characterCount++;  
                 }  
                 next;  
             }  
   
             my %partData=undef;  
             # Initialize part data, display skips correctly  
             # Skip refers to when a student made no submissions on that  
             # part/problem.  
             foreach my $part (split(/\:/,$cache->{$sequence.':'.  
                                                   $problemID.  
                                                   ':parts'})) {  
                 $partData{$part.':tries'}=0;  
                 $partData{$part.':code'}=' ';  
             }  
   
             # Looping through all the versions of each part, starting with the  
             # oldest version.  Basically, it gets the most recent   
             # set of grade data for each part.  
     for(my $Version=1; $Version<=$LatestVersion; $Version++) {  
                 foreach my $part (split(/\:/,$cache->{$sequence.':'.  
                                                       $problemID.  
                                                       ':parts'})) {  
   
                     if(!defined($cache->{$name.":$Version:$problem".  
                                                ":resource.$part.solved"})) {  
                         # No grade for this submission, so skip  
                         next;  
                     }  
   
                     my $tries=0;  
                     my $code=' ';  
   
                     $tries = $cache->{$name.':'.$Version.':'.$problem.  
                                       ':resource.'.$part.'.tries'};  
                     $partData{$part.':tries'}=($tries) ? $tries : 0;  
   
                     my $val = $cache->{$name.':'.$Version.':'.$problem.  
                                        ':resource.'.$part.'.solved'};  
                     if    ($val eq 'correct_by_student')   {$code = '*';}   
                     elsif ($val eq 'correct_by_override')  {$code = '+';}  
                     elsif ($val eq 'incorrect_attempted')  {$code = '.';}   
                     elsif ($val eq 'incorrect_by_override'){$code = '-';}  
                     elsif ($val eq 'excused')              {$code = 'x';}  
                     elsif ($val eq 'ungraded_attempted')   {$code = '#';}  
                     else                                   {$code = ' ';}  
                     $partData{$part.':code'}=$code;  
                 }  
             }  
   
             # All grades (except for versionless parts) are displayed as links              # All grades (except for versionless parts) are displayed as links
             # to their submission record.  Loop through all the parts for the              # to their submission record.  Loop through all the parts for the
             # current problem in the correct order and prepare the output links              # current problem in the correct order and prepare the output links
             $Str .= '<a href="/adm/grades?symb=';  
             $Str .= &Apache::lonnet::escape($problem);  
             $Str .= '&student='.$username.'&domain='.$domain;  
             $Str .= '&command=submission">';   
             foreach(split(/\:/,$cache->{$sequence.':'.$problemID.              foreach(split(/\:/,$cache->{$sequence.':'.$problemID.
                                         ':parts'})) {                                          ':parts'})) {
                 if($partData{$_.':code'} eq '*') {                  if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' ||
                     $problemsCorrect++;                     $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' ||
                     if (($partData{$_.':tries'}<10) &&                     $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') {
                         ($partData{$_.':tries'} ne '')) {                      $Str .= ' ';
                         $partData{$_.':code'}=$partData{$_.':tries'};                      $characterCount++;
                     }                      next;
                 } elsif($partData{$_.':code'} eq '+') {  
                     $problemsCorrect++;  
                 }                  }
                   $hasVersion = 'true';
                 $Str .= $partData{$_.':code'};                  $hasData = 'true';
                 $characterCount++;                  if (lc($ENV{'form.displaymode'}) ne 'display without links') {
                       $Str .= '<a href="/adm/grades?symb=';
                 if($partData{$_.':code'} ne 'x') {                      $Str .= &Apache::lonnet::escape($problem);
                     $totalProblems++;                      $Str .= '&student='.$username.'&domain='.$domain;
                       $Str .= '&command=submission">';
                   }
                   my $code = $cache->{$name.':'.$problemID.':'.$_.':code'};
                   my $tries = $cache->{$name.':'.$problemID.':'.$_.':tries'};
                   if($code eq '*' && $tries < 10 && $tries ne '') {
                       $code = $tries;
                 }                  }
                   $Str .= $code;
                   if (lc($ENV{'form.displaymode'}) ne 'display without links') {
                       $Str .= '</a>';
                   }
                   $characterCount++;
             }              }
             $Str.='</a>';  
         }          }
   
         # Output the number of correct answers for the current sequence.          # Output the number of correct answers for the current sequence.
         # This part takes up 6 character slots, but is formated right           # This part takes up 6 character slots, but is formated right
         # justified.          # justified.
         my $spacesNeeded=$cache->{$sequence.':columnWidth'}-$characterCount;          my $spacesNeeded=$cache->{$sequence.':columnWidth'}-$characterCount;
         $spacesNeeded -= 3;          $spacesNeeded -= 3;
         $Str .= (' 'x$spacesNeeded);          $Str .= (' 'x$spacesNeeded);
   
  my $outputProblemsCorrect = sprintf( "%3d", $problemsCorrect );  #        my $outputProblemsCorrect = sprintf("%3d", $cache->{$name.':'.$sequence.
  $Str .= '<font color="#007700">'.$outputProblemsCorrect.'</font>';  #    ':problemsCorrect'});
  $problemsSolved += $problemsCorrect;  
  $problemsCorrect=0;  
   
    my $outputProblemsCorrect = sprintf("%2d/%2d", $cache->{$name.':'.$sequence.
                                               ':problemsCorrect'},
                                               $characterCount);
           if($hasData eq 'true') {
               $Str .= '<font color="#007700">'.$outputProblemsCorrect.'</font>';
               $hasFinalData = 'true';
           } else {
               $Str .= '<font color="#007700">     </font>';
           }
         $Str .= $spacing;          $Str .= $spacing;
     }      }
   
     # Output the total correct problems over the total number of problems.      # Output the total correct problems over the total number of problems.
     # I don't like this type of formatting, but it is a solution.  Need      # I don't like this type of formatting, but it is a solution.  Need
     # a way to dynamically determine the space requirements.      # a way to dynamically determine the space requirements.
     my $outputProblemsSolved = sprintf( "%4d", $problemsSolved );      my $outputProblemsSolved = sprintf("%4d", $cache->{$name.':problemsSolved'});
     my $outputTotalProblems  = sprintf( "%4d", $totalProblems );      my $outputTotalProblems  = sprintf("%4d", $cache->{$name.':totalProblems'});
     $Str .= '<font color="#000088">'.$outputProblemsSolved.      if($hasFinalData eq 'true') {
           $Str .= '<font color="#000088">'.$outputProblemsSolved.
     ' / '.$outputTotalProblems.'</font>';      ' / '.$outputTotalProblems.'</font>';
       } else {
           $Str .= '<font color="#000088">           </font>';
       }
   
       if($hasVersion eq 'false') {
           $Str = '<b><font color="blue">No course data.</font></b>';
       }
   
     return $Str;      return $Str;
 }  }
   
   #######################################################
   #######################################################
   
   #######################################################
   #######################################################
   sub StudentAverageTotal {
       my ($cache, $students, $sequenceKeys)=@_;
       my $Str = "\n<b>Summary Tables:</b>\n";
       my %Correct = ();
       my $ProblemsSolved = 0;
       my $TotalProblems = 0;
       my $StudentCount = 0;
   
       foreach my $name (@$students) {
           $StudentCount++;
           foreach my $sequence (@$sequenceKeys) {
               $Correct{$sequence} +=
          $cache->{$name.':'.$sequence.':problemsCorrect'};
           }
    $ProblemsSolved += $cache->{$name.':problemsSolved'};
           $TotalProblems += $cache->{$name.':totalProblems'};
       }
       if ($StudentCount) { 
           $ProblemsSolved = sprintf( "%.2f", 
                                $ProblemsSolved/$StudentCount);
           $TotalProblems /= $StudentCount;
       } else {
           $ProblemsSolved = 0;
           $TotalProblems  = 0;
       }
   
       $Str .= '<table border=2 cellspacing="1">'."\n";
       $Str .= '<tr><td><b>Students Count</b></td><td><b>'.
               $StudentCount.'</b></td></tr>'."\n";
       $Str .= '<tr><td><b>Total Problems</b></td><td><b>'.
               $TotalProblems.'</b></td></tr>'."\n";
       $Str .= '<tr><td><b>Average Correct</b></td><td><b>'.
               $ProblemsSolved.'</b></td></tr>'."\n";
       $Str .= '</table>'."\n";
   
       $Str .= '<table border=2 cellspacing="1">'."\n";
       $Str .= '<tr><th>Title</th><th>Total Problems</th>'.
               '<th>Average Correct</th></tr>'."\n";
       foreach my $S(@$sequenceKeys) {
           my $title=$cache->{$S.':title'};
    #$Str .= $cache->{$S.':problems'};
    #my @problems=split(':', $cache->{$S.':problems'});
    #my $pCount=scalar @problems;
    my $pCount=MaxSeqPr($cache,@$students[0],$S);
           my $crr;
    if ($StudentCount) {
               $crr=sprintf( "%.2f", $Correct{$S}/$StudentCount );
           } else {
               $crr="0.00";
           }
           $Str .= '<tr><td>'.$title.
                   '</td><td align=center>'.$pCount.
                   '</td><td align=center>'.$crr.
                   '</td></tr>'."\n";
       }
   
       $Str .= '</table>'."\n";
   
       return $Str;
   }
   
   #######################################################
   #######################################################
   
   #######################################################
   #######################################################
   sub MaxSeqPr {
       my ($cache, $name, $sequence)=@_;
       my $prCount=0;
       foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
           my $problem = $cache->{$problemID.':problem'};
           foreach(split(/\:/,$cache->{$sequence.':'.$problemID.':parts'})) {
               if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' ||
                  $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' ||
                  $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') {
                    $prCount++;
                    next;
               }
               $prCount++;
           }
       }
       return $prCount;
   }
   
   #######################################################
   #######################################################
   
 =pod  =pod
   
 =item &CreateLegend()  =item &CreateLegend()
Line 403  problems. Line 626  problems.
   
 =cut  =cut
   
   #######################################################
   #######################################################
 sub CreateLegend {  sub CreateLegend {
     my $Str = "<p><pre>".      my $Str = "<p><pre>".
               "1..9: correct by student in 1..9 tries\n".                "   1  correct by student in 1 try\n".
               "   *: correct by student in more than 9 tries\n".                "   7  correct by student in 7 tries\n".
       "   +: correct by override\n".                "   *  correct by student in more than 9 tries\n".
               "   -: incorrect by override\n".        "   +  correct by hand grading or override\n".
       "   .: incorrect attempted\n".                "   -  incorrect by override\n".
       "   #: ungraded attempted\n".        "   .  incorrect attempted\n".
               "    : not attempted\n".        "   #  ungraded attempted\n".
       "   x: excused".                "      not attempted (blank field)\n".
               "</pre><p>";         "   x  excused".
                 "</pre><p>";
     return $Str;      return $Str;
 }  }
   
   #######################################################
   #######################################################
   
 =pod  =pod
   
 =item &CreateColumnSelectionBox()  =item &CreateColumnSelectionBox()
   
 If there are columns not being displayed then this selection box is created  If there are columns not being displayed then this selection box is created
 with a list of those columns.  When selections are made and the page   with a list of those columns.  When selections are made and the page
 refreshed, the columns will be removed from this box and the column is  refreshed, the columns will be removed from this box and the column is
 put back in the chart.  If there is no columns to select, no row is added  put back in the chart.  If there is no columns to select, no row is added
 to the interface table.  to the interface table.
Line 430  to the interface table. Line 659  to the interface table.
 =over 4  =over 4
 Input: $CacheData, $headings  Input: $CacheData, $headings
   
   
 $CacheData: A pointer to a hash tied to the cached data  $CacheData: A pointer to a hash tied to the cached data
   
 $headings:  An array of the names of the columns for the student information.    $headings:  An array of the names of the columns for the student information.
 They are used for displaying which columns are missing.  They are used for displaying which columns are missing.
   
 Output: $notThere  Output: $notThere
   
 $notThere: The string contains one row of a table.  The first column has the   $notThere: The string contains one row of a table.  The first column has the
 name of the selection box.  The second contains the selection box   name of the selection box.  The second contains the selection box
 which has a size of four.  which has a size of four.
   
 =back  =back
   
 =cut  =cut
   
   #######################################################
   #######################################################
 sub CreateColumnSelectionBox {  sub CreateColumnSelectionBox {
     my ($doNotShow)=@_;      my ($doNotShow)=@_;
   
Line 465  sub CreateColumnSelectionBox { Line 695  sub CreateColumnSelectionBox {
     return $notThere;      return $notThere;
 }  }
   
   #######################################################
   #######################################################
   
 =pod  =pod
   
 =item &CreateColumnSelectors()  =item &CreateColumnSelectors()
   
 This function generates the checkboxes above the column headings.  The   This function generates the checkboxes above the column headings.  The
 column will be removed if the checkbox is unchecked.  column will be removed if the checkbox is unchecked.
   
 =over 4  =over 4
Line 491  for consistency of location over the col Line 724  for consistency of location over the col
   
 =cut  =cut
   
   #######################################################
   #######################################################
 sub CreateColumnSelectors {  sub CreateColumnSelectors {
     my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_;      my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_;
   
Line 512  sub CreateColumnSelectors { Line 747  sub CreateColumnSelectors {
     return $present;      return $present;
 }  }
   
 #---- END Student Assessment Web Page ----------------------------------------  #######################################################
   #######################################################
   
   =pod
   
   =back
   
   =head1 HELPER FUNCTIONS
   
   =over 4
   
 #---- Student Assessment Worker Functions ------------------------------------  =cut 
   
   #######################################################
   #######################################################
 sub FindSelectedStudent {  sub FindSelectedStudent {
     my($cache, $selectedName, $students)=@_;      my($cache, $selectedName, $students)=@_;
   
     if($selectedName eq 'All Students' ||       if($selectedName eq 'All Students' ||
        $selectedName eq 'No Student Selected') {         $selectedName eq 'No Student Selected') {
         return $selectedName;          return $selectedName;
     }      }
Line 553  sub FindSelectedStudent { Line 799  sub FindSelectedStudent {
   
     return 'No Student Selected';      return 'No Student Selected';
 }  }
   #######################################################
   #######################################################
   
 =pod  =pod
   
Line 569  $cache: A pointer to the hash tied to th Line 817  $cache: A pointer to the hash tied to th
 $test: The form name of the column (heading.$headingIndex) or   $test: The form name of the column (heading.$headingIndex) or 
 (sequence.$sequenceIndex)  (sequence.$sequenceIndex)
   
 Output: 0 (false), 1 (true)  
   
 =back  =back
   
 =cut  =cut
   
   #######################################################
   #######################################################
 sub ShouldShowColumns {  sub ShouldShowColumns {
     my ($cache,$headings,$cacheKey)=@_;      my ($cache,$headings,$cacheKey)=@_;
   
Line 603  sub ShouldShowColumns { Line 851  sub ShouldShowColumns {
   
     foreach my $sequence (split(/\:/,$cache->{'orderedSequences'})) {      foreach my $sequence (split(/\:/,$cache->{'orderedSequences'})) {
         $check = 'SequenceColumn'.$sequence;          $check = 'SequenceColumn'.$sequence;
         if($cache->{'SequencesFound'} eq 'All Sequences' ||           if($cache->{'SequencesFound'} eq 'All Sequences' ||
            $cache->{'SequencesFound'} =~ /$check/) {             $cache->{'SequencesFound'} =~ /$check/) {
             push(@sequenceHeadings, $cache->{$sequence.':title'});              push(@sequenceHeadings, $cache->{$sequence.':title'});
             push(@sequenceKeys, $sequence);              push(@sequenceKeys, $sequence);
Line 616  sub ShouldShowColumns { Line 864  sub ShouldShowColumns {
   
     $doNotShow{'count'} = $count;      $doNotShow{'count'} = $count;
   
     return (\@infoHeadings, \@infoKeys, \@sequenceHeadings,       return (\@infoHeadings, \@infoKeys, \@sequenceHeadings,
             \@sequenceKeys, \%doNotShow);              \@sequenceKeys, \%doNotShow);
 }  }
   1;
   
 #---- END Student Assessment Worker Functions --------------------------------  #######################################################
   #######################################################
   
   =pod 
   
   =back
   
   =cut
   
   #######################################################
   #######################################################
   
 1;  
 __END__  __END__

Removed from v.1.5  
changed lines
  Added in v.1.28


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