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Diff for /loncom/interface/lonquickgrades.pm between versions 1.12 and 1.49.6.7

version 1.12, 2003/03/23 07:12:41 version 1.49.6.7, 2021/03/04 01:42:20
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # Quick Student Grades Display  # Quick Student Grades Display
 #  #
 #   # $Id$
 #  #
 # Copyright Michigan State University Board of Trustees  # Copyright Michigan State University Board of Trustees
 #  #
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # Created Nov. 14, 2002 by Jeremy Bowers  
   
 package Apache::lonquickgrades;  package Apache::lonquickgrades;
   
 use strict;  use strict;
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http REDIRECT);
 use POSIX;  use POSIX;
   use Apache::loncommon;
   use Apache::lonlocal;
   use Apache::lonnet;
   use Apache::grades;
   use Apache::lonuserstate;
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
Line 44  sub real_handler { Line 48  sub real_handler {
     &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});      &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
   
     # Handle header-only request      # Handle header-only request
       if ($env{'browser.mathml'}) {
    &Apache::loncommon::content_type($r,'text/xml');
       } else {
    &Apache::loncommon::content_type($r,'text/html');
       }
     if ($r->header_only) {      if ($r->header_only) {
         if ($ENV{'browser.mathml'}) {   $r->send_http_header;
             $r->content_type('text/xml');          return OK;
         } else {      }
             $r->content_type('text/html');  
       my $cangrade=&Apache::lonnet::allowed('mgr');
       my $showPoints =
           $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
   
       my $reinitresult;
   
       unless ($cangrade) {
           # Check for critical messages and redirect if present.
           my ($redirect,$url) = &Apache::loncommon::critical_redirect(300);
           if ($redirect) {
               &Apache::loncommon::content_type($r,'text/html');
               $r->header_out(Location => $url);
               return REDIRECT;
         }          }
   
           # Check if course needs to be re-initialized
           my $loncaparev = $r->dir_config('lonVersion');
           ($reinitresult,my @reinit) = &Apache::loncommon::needs_coursereinit($loncaparev);
   
           if ($reinitresult eq 'switch') {
               &Apache::loncommon::content_type($r,'text/html');
               $r->send_http_header;
               $r->print(&Apache::loncommon::check_release_result(@reinit));
               return OK;
           } elsif ($reinitresult eq 'update') {
               my $cid = $env{'request.course.id'};
               my $cnum = $env{'course.'.$cid.'.num'};
               my $cdom = $env{'course.'.$cid.'.domain'};
               &Apache::loncommon::content_type($r,'text/html');
               $r->send_http_header;
               &startpage($r,$showPoints);
               my $preamble = '<div id="LC_update_'.$cid.'" class="LC_info">'.
                              '<br />'.
                              &mt('Your course session is being updated because of recent changes by course personnel.').
                              ' '.&mt('Please be patient').'.<br /></div>'.
                              '<div style="padding:0;clear:both;margin:0;border:0"></div>';
               my %prog_state = &Apache::lonhtmlcommon::Create_PrgWin($r,undef,$preamble);
               &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Updating course'));
               $r->rflush();
               my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
               &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Finished!'));
               &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
               my $closure = <<ENDCLOSE;
   <script type="text/javascript">
   // <![CDATA[
   \$("#LC_update_$cid").hide('slow');
   // ]]>
   </script>
   ENDCLOSE
               if ($ferr) {
                   $r->print($closure.&Apache::loncommon::end_page());
                   my $requrl = $r->uri;
                   $env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
                   $env{'user.reinit'} = 1;
                   return HTTP_NOT_ACCEPTABLE;
               } else {
                  $r->print($closure);
               }
           }
       }
   
       unless ($reinitresult eq 'update') {
           # Send header, don't cache this page
           &Apache::loncommon::no_cache($r);
         $r->send_http_header;          $r->send_http_header;
         return OK;          &startpage($r,$showPoints);
     }      }
       $r->rflush();
   
       &startGradeScreen($r);
   
     # Send header, don't cache this page  #
     if ($ENV{'browser.mathml'}) {  # Pick student
         $r->content_type('text/xml');  #
       my $uname;
       my $udom;
       my $stdid;
       if ($cangrade) {
           if ($env{'form.uname'}) { $uname=$env{'form.uname'}; }
           if ($env{'form.udom'}) { $udom=$env{'form.udom'}; }
           if ($env{'form.id'}) { $stdid=$env{'form.id'}; }
           if (($stdid) && ($udom)) {
               $uname=(&Apache::lonnet::idget($udom,[$stdid],'ids'))[1];
           }
           if (($stdid) && (!$uname)) {
               $r->print('<p><span class="LC_warning">'.&mt("Unknown Student/Employee ID: [_1]",$stdid).'</span></p>');
               $stdid='';
           }
           if (($uname eq '') && ($udom eq '')) {
               $uname = $env{'user.name'};
               $udom = $env{'user.domain'};
           }
           $r->print('<form method="post" name="quickform" action="/adm/quickgrades">');
           my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
              &Apache::loncommon::selectstudent_link('quickform','uname','udom');
           $r->print("<p>\n".&Apache::loncommon::studentbrowser_javascript()."\n");
           $r->print(&mt('For User [_1] or Student/Employee ID [_2] at Domain [_3]'
                    ,'<input type="text" value="'.$uname.'" size="12" name="uname" />'
                    ,'<input type="text" value="'.$stdid.'" size="12" name="id" /> '
                    ,$chooseopt).
                    '&nbsp;&nbsp;<input type="submit" name="display" value="'.&mt('Display Individual Student').'" /></p>');
           if (($uname) && ($udom)) {
               $r->print('<p>'.&mt('Full Name: [_1]',&Apache::loncommon::plainname($uname,$udom)).'</p>');
           }
     } else {      } else {
         $r->content_type('text/html');          $r->print('<p class="LC_info">'.&mt('This may take a few moments to display.').'</p>');
     }      }
     &Apache::loncommon::no_cache($r);      $r->rflush();
     $r->send_http_header;  
   
     # Create the nav map      my $notshowTotals=
     my $navmap = Apache::lonnavmaps::navmap->new($r,          $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
                         $ENV{"request.course.fn"}.".db",  
                         $ENV{"request.course.fn"}."_parms.db", 1, 0);  
   
     if (!defined($navmap)) {      my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,
           $topLevelRight,$topLevelAttempted) = &getData($showPoints,$uname,$udom);
   
       if (ref($navmap)) {
           &outputTable($r,$showPoints,$notshowTotals,$navmap,$totalParts,$totalPossible,
                        $totalRight,$totalAttempted,$topLevelParts,$topLevelRight,
                        $topLevelAttempted);
       } else {
           if ($cangrade) { $r->print("\n</form>\n"); }
         my $requrl = $r->uri;          my $requrl = $r->uri;
         $ENV{'user.error.msg'} = "$requrl:bre:0:0:Navamp initialization failed.";          $env{'user.error.msg'} = "$requrl:bre:0:0:Navmap initialization failed.";
         return HTTP_NOT_ACCEPTABLE;          return HTTP_NOT_ACCEPTABLE;
     }      }
       if ($cangrade) { $r->print("\n</form>\n"); }
       &endGradeScreen($r);
       return OK;
   }
   
     # Keep this hash in sync with %statusIconMap in lonnavmaps; they  #
     # should match color/icon  # Go through the complete course and collect data
     my $res = $navmap->firstResource(); # temp resource to access constants  #
    
     # Header  
     $r->print(&Apache::loncommon::bodytag('Quick Score Display','',  
                                           ''));  
   
     $r->print(<<HEADER);  
 <p>This screen shows how many problems (or problem parts) you have completed, and  
 how many you have not yet done. You can also look at <a href="/adm/studentcalc">a detailed  
 score sheet</a>.</p>  
 HEADER  
   
     $navmap->init();  sub getData {
   
     # End navmap using boilerplate      my ($showPoints,$uname,$udom)=@_;
   
       # Create the nav map
       my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
   
       if (!defined($navmap)) {
           return ();
       }
   
       my $res = $navmap->firstResource(); # temp resource to access constants
   
     my $iterator = $navmap->getIterator(undef, undef, undef, 1);      my $iterator = $navmap->getIterator(undef, undef, undef, 1);
     my $depth = 1;      my $depth = 1;
     $iterator->next(); # ignore first BEGIN_MAP      $iterator->next(); # ignore first BEGIN_MAP
     my $curRes = $iterator->next();      my $curRes = $iterator->next();
       
     # General overview of the following: Walk along the course resources.      # General overview of the following: Walk along the course resources.
     # For every problem in the resource, tell its parent maps how many      # For every problem in the resource, tell its parent maps how many
     # parts and how many parts correct it has. After that, each map will      # parts and how many parts correct it has. After that, each map will
Line 105  HEADER Line 218  HEADER
     # maps in order, with their data.       # maps in order, with their data. 
     # (If in the future people decide not to be cumulative, only add      # (If in the future people decide not to be cumulative, only add
     #  the counts to the parent map.)      #  the counts to the parent map.)
       # For convenience, "totalParts" is also "totalPoints" when we're looking
       #  at points; I can't come up with a variable name that makes sense
       #  equally for both cases.
   
     my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;      my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
       my $totalAttempted = 0;
       my $now = time();
       my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
   
     # Pre-run: Count parts correct      # Pre-run: Count parts correct
     while ( $depth > 0 ) {      while ( $depth > 0 ) {
Line 117  HEADER Line 236  HEADER
         {          {
             # Get number of correct, incorrect parts              # Get number of correct, incorrect parts
             my $parts = $curRes->parts();              my $parts = $curRes->parts();
             if (scalar(@{$parts}) > 1) { shift @{$parts}; } # lose the first "0"  
             $totalParts += scalar(@{$parts});  
             my $partsRight = 0;              my $partsRight = 0;
       my $partsCount = 0;
       my $partsAttempted = 0;
             my $stack = $iterator->getStack();              my $stack = $iterator->getStack();
                           
             for my $part (@{$parts}) {              for my $part (@{$parts}) {
                 my $status = $curRes->getCompletionStatus($part);   my $dateStatus = $curRes->getDateStatus($part);
                 if ($status == $curRes->CORRECT || $status == $curRes->CORRECT_BY_OVERRIDE                  my $weight = $curRes->weight($part);
                     || $status == $curRes->EXCUSED) {                  my $problemstatus = $curRes->problemstatus($part);
                     $partsRight++;  
                     $totalRight++;  
                 }  
   
                 my $dateStatus = $curRes->getDateStatus($part);                  if ($curRes->solved($part) eq 'excused') {
                 if ($status != $curRes->OPEN_LATER) {                      next;
                     $totalPossible++;  
                 }                  }
    if ($showPoints) {
       my $score = 0;
       # If we're not telling status and the answer date isn't passed yet, 
       # it's an "attempted" point
       if ((($problemstatus eq 'no') ||
                            ($problemstatus eq 'no_feedback_ever')) &&
    ($dateStatus != $curRes->ANSWER_OPEN)) {
    my $status = $curRes->simpleStatus($part);
    if ($status == $curRes->ATTEMPTED) {
       $partsAttempted += $weight;
       $totalAttempted += $partsAttempted;
    }
       } else {
    $score = &Apache::grades::compute_points($weight, $curRes->awarded($part));
       }
       $partsRight += $score;
       $totalRight += $score;
       $partsCount += $weight;
   
       if ($curRes->opendate($part) < $now) {
    $totalPossible += $weight;
       }
       $totalParts += $weight;
    } else {
       my $status = $curRes->simpleStatus($part);
       my $thisright = 0;
       $partsCount++;
       if ($status == $curRes->CORRECT ||
    $status == $curRes->PARTIALLY_CORRECT ) {
    $partsRight++;
    $totalRight++;
    $thisright = 1;
       }
   
       if ($status == $curRes->ATTEMPTED) {
    $partsAttempted++;
    $totalAttempted++;
       }
       
       $totalParts++;
       if ($curRes->opendate($part) < $now) {
    $totalPossible++;
       }
    }
             }              }
               
               if ($depth == 1) { # in top-level only
    $topLevelParts += $partsCount;
    $topLevelRight += $partsRight;
    $topLevelAttempted += $partsAttempted;
       }
   
             # Crawl down stack and record parts correct and total              # Crawl down stack and record parts correct and total
             for my $res (@{$stack}) {              for my $res (@{$stack}) {
                 if (ref($res) && $res->is_map()) {                  if (ref($res) && $res->is_map()) {
                     if (!defined($res->{DATA}->{CHILD_PARTS})) {                      if (!defined($res->{DATA}->{CHILD_PARTS})) {
                         $res->{DATA}->{CHILD_PARTS} = 0;                          $res->{DATA}->{CHILD_PARTS} = 0;
                         $res->{DATA}->{CHILD_CORRECT} = 0;                          $res->{DATA}->{CHILD_CORRECT} = 0;
    $res->{DATA}->{CHILD_ATTEMPTED} = 0;
                     }                      }
                                           
                     $res->{DATA}->{CHILD_PARTS} += scalar(@{$parts});                      $res->{DATA}->{CHILD_PARTS} += $partsCount;
                     $res->{DATA}->{CHILD_CORRECT} += $partsRight;                      $res->{DATA}->{CHILD_CORRECT} += $partsRight;
       $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
                 }                  }
             }              }
         }          }
         $curRes = $iterator->next();          $curRes = $iterator->next();
     }      }
       return ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,
               $topLevelParts,$topLevelRight,$topLevelAttempted);
   }
   
     $iterator = $navmap->getIterator(undef, undef, undef, 1);  #
     $depth = 1;  # Outputting everything.
     $iterator->next(); # ignore first BEGIN_MAP  #
     $curRes = $iterator->next();  
   sub outputTable {
   
       my ($r,$showPoints,$notshowTotals,$navmap,$totalParts,$totalPossible,$totalRight,
           $totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
   
     my @start = (255, 255, 192);      my @start = (255, 255, 192);
     my @end   = (0, 192, 0);      my @end   = (0, 192, 0);
   
     my $indentString = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';      my $indentString = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
   
     my $unaccountedTotal = $totalParts;  
     my $unaccountedCorrect = $totalRight;  
   
     # Second pass: Print the maps.      # Second pass: Print the maps.
     $r->print('<table cellspacing="3" border="2"><tr><td align="center"><b>Sequence</b></td>');      $r->print(&Apache::loncommon::start_data_table()
     $r->print('<td align="center">Done / Total</td><tr>' . "\n\n");               .&Apache::loncommon::start_data_table_header_row()
                .'<th>'.&mt('Folder').'</th>');
       my $title = &mt($showPoints ? "Points Scored" : "Done");
       if ($totalAttempted) {
           $title .= " / " . &mt("Attempted");
       }
       $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
                .&Apache::loncommon::end_data_table_header_row());
   #
   # Output of folder scores
   #
   
       my $iterator = $navmap->getIterator(undef, undef, undef, 1);
       my $depth = 1;
       $iterator->next(); # ignore first BEGIN_MAP
       my $curRes = $iterator->next();
   
     while ($depth > 0) {      while ($depth > 0) {
         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}          if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
         if ($curRes == $iterator->END_MAP()) { $depth--; }          if ($curRes == $iterator->END_MAP()) { $depth--; }
   
         if (ref($curRes) && $curRes->is_map()) {          if (ref($curRes) && $curRes->is_map()) {
             my $stack = $iterator->getStack();  
             my $src = Apache::lonnavmaps::getLinkForResource($stack);  
             my $srcHasQuestion = $src =~ /\?/;  
             my $link = $src.  
                 ($srcHasQuestion?'&':'?') .  
                 'symb='.&Apache::lonnet::escape($curRes->symb()).  
                 '"';  
             my $title = $curRes->compTitle();              my $title = $curRes->compTitle();
                           
             my $correct = $curRes->{DATA}->{CHILD_CORRECT};              my $correct = $curRes->{DATA}->{CHILD_CORRECT};
             my $total = $curRes->{DATA}->{CHILD_PARTS};              my $total = $curRes->{DATA}->{CHILD_PARTS};
       my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
             $unaccountedTotal -= $total;  
             $unaccountedCorrect -= $correct;  
   
             if ($total > 0) {              if ($total > 0) {
                 my $ratio;                  my $ratio;
                 $ratio = $correct / $total;                  $ratio = $correct / $total;
                 my $color = mixColors(\@start, \@end, $ratio);                  my $color = &mixColors(\@start, \@end, $ratio);
                 $r->print("<tr><td bgcolor='$color'>");                  $r->print(&Apache::loncommon::start_data_table_row()
                            .'<td style="background-color:'.$color.';">');
                                   
                 for (my $i = 1; $i < $depth; $i++) { $r->print($indentString); }   my $thisIndent = '';
                   for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
                                   
                 $r->print("<a href='$link'>$title</a></td>");                  $r->print("$thisIndent$title</td>");
                 $r->print("<td align='center'>$correct / $total</td></tr>\n");   if ($totalAttempted) {
       $r->print('<td valign="top">'
                                .$thisIndent
                                .'<span class="LC_nobreak">'
                                .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
                                .'</span></td>'
                                .&Apache::loncommon::end_data_table_row()
                       );
    } else {
       $r->print('<td valign="top">'
                                .$thisIndent
                                .'<span class="LC_nobreak">'
                                .$correct.($notshowTotals?'':' / '.$total)
                                .'</span></td>'
                                .&Apache::loncommon::end_data_table_row());
    }
             }              }
         }          }
   
Line 205  HEADER Line 400  HEADER
     }      }
   
     # If there were any problems at the top level, print an extra "catchall"      # If there were any problems at the top level, print an extra "catchall"
     if ($unaccountedTotal > 0) {      if ($topLevelParts > 0) {
         my $ratio = $unaccountedCorrect / $unaccountedTotal;          my $ratio = $topLevelRight / $topLevelParts;
         my $color = mixColors(\@start, \@end, $ratio);          my $color = &mixColors(\@start, \@end, $ratio);
         $r->print("<tr><td bgcolor='$color'>");          $r->print(&Apache::loncommon::start_data_table_row()
         $r->print("Problems Not Contained In Sequences</td><td align='center'>");                   .'<td style="background-color:'.$color.';">');
         $r->print("$unaccountedCorrect / $unaccountedTotal</td></tr>");          $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
           $r->print("$topLevelRight / $topLevelParts</td>"
                    .&Apache::loncommon::end_data_table_row());
       }
   
   #
   # show totals (if applicable), close table
   #
       if ($showPoints) {
    my $maxHelpLink = &Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
   
    $title = $showPoints ? "Points" : "Parts Done";
    my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
    $r->print(&Apache::loncommon::start_data_table_row()
                    .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
    $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
    $title = $showPoints ? "Points" : "Parts";
    $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
                    .&Apache::loncommon::end_data_table_row());
     }      }
   
     my $maxHelpLink = Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");      $r->print(&Apache::loncommon::end_data_table());
       return;
   }
   
     $r->print("<tr><td colspan='2' align='right'>Total Parts Done: <b>$totalRight</b><br>");  sub startpage {
     $r->print("Max Possible To Date $maxHelpLink: <b>$totalPossible</b><br>");      my ($r,$showPoints) = @_;
     $r->print("Total Parts In Course: <b>$totalParts</b></td></tr>\n\n");      my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
       my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
       $r->print(&Apache::loncommon::start_page($title,undef,
                                               {'bread_crumbs' => $brcrum})
                );
   }
   
   sub startGradeScreen {
       my ($r)=@_;
   
     $r->print("</table></body></html>");      my $showPoints =
           $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
       my $notshowSPRSlink =
           (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
         || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
       my $notshowTotals =
           $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
       my $showSPRSlink =
           $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'spreadsheet';
   
       my $allowed_to_view = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
       if ((!$allowed_to_view) && ($env{'request.course.sec'} ne '')) {
           $allowed_to_view = &Apache::lonnet::allowed('vgr',
                                  "$env{'request.course.id'}/$env{'request.course.sec'}");
       }
   
     $navmap->untieHashes();      my $allowed_to_edit = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
       if ((!$allowed_to_edit) && ($env{'request.course.sec'} ne '')) {
           $allowed_to_edit = &Apache::lonnet::allowed('mgr',
                                  "$env{'request.course.id'}/$env{'request.course.sec'}");
       }
   
     return OK;      if ($allowed_to_view) {
           my @notes;
           push(@notes,&mt('Students do not see total points.')) if ($notshowTotals);
           push(@notes,&mt('Students do not see link to spreadsheet.')) if ($notshowSPRSlink);
           push(@notes,&mt('Students will see points based on problem weights.')) if ($showPoints);
           push(@notes,&mt('Students will see link to spreadsheet.')) if ($showSPRSlink);
           push(@notes,&Apache::lonhtmlcommon::coursepreflink(&mt('Grade display settings'),'grading'));
           $r->print(&Apache::loncommon::head_subbox(join('&nbsp;&nbsp;',@notes)));
       } elsif (!$allowed_to_edit) {
           if (!$showPoints && !$notshowSPRSlink ) {
               $r->print(&Apache::loncommon::head_subbox(
                         &mt('This screen shows how many problems (or problem parts) you have completed'
                        .', and how many you have not yet done.'
                        .' You can also look at [_1]a detailed score sheet[_2].'
                        ,'<a href="/adm/studentcalc">','</a>')));
           }
       }
       return;
   }
   
   sub endGradeScreen {
       my ($r)=@_;
       $r->print(&Apache::loncommon::end_page());
       return;
 }  }
   
 # Pass this two refs to arrays for the start and end color, and a number  # Pass this two refs to arrays for the start and end color, and a number
Line 244  sub mixColors { Line 507  sub mixColors {
     $a = $start->[2]; $b = $end->[2];      $a = $start->[2]; $b = $end->[2];
     my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);      my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
   
     $final = sprintf "%2x%2x%2x", $mix1, $mix2, $mix3;      $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
     return "#" . $final;      return "#" . $final;
 }  }
   
Removed from v.1.12  
changed lines
  Added in v.1.49.6.7

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