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Diff for /loncom/interface/lonquickgrades.pm between versions 1.16 and 1.69

version 1.16, 2003/06/23 20:01:20 version 1.69, 2011/02/20 22:48:26
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 # 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);
 use POSIX;  use POSIX;
   use Apache::loncommon;
   use Apache::lonlocal;
   use Apache::lonnet;
   use Apache::grades;
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
Line 44  sub real_handler { Line 47  sub real_handler {
     &Apache::loncommon::get_unprocessed_cgi($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');  
         } else {  
             $r->content_type('text/html');  
         }  
         $r->send_http_header;  
         return OK;          return OK;
     }      }
   
     # Send header, don't cache this page      # Send header, don't cache this page
     if ($ENV{'browser.mathml'}) {  
         $r->content_type('text/xml');  
     } else {  
         $r->content_type('text/html');  
     }  
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
     $r->send_http_header;      $r->send_http_header;
   
     # Create the nav map      my $showPoints =
     my $navmap = Apache::lonnavmaps::navmap->new(          $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
                         $ENV{"request.course.fn"}.".db",      my $notshowSPRSlink =
                         $ENV{"request.course.fn"}."_parms.db", 1, 0);          (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
         || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
     if (!defined($navmap)) {      my $notshowTotals=
         my $requrl = $r->uri;          $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
         $ENV{'user.error.msg'} = "$requrl:bre:0:0:Navamp initialization failed.";      my $showCategories=
         return HTTP_NOT_ACCEPTABLE;          $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories';
   
   
       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})
                );
   
       &startGradeScreen($r,'quick');
   
       $r->rflush();
   
   #    my $uname='korte';
   #    my $udom='gerd';
   
       my $uname;
       my $udom;
   
       my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=
          &getData($showPoints,$uname,$udom);
   
       if ($showCategories) {
          &outputCategories($r,$showPoints,$notshowTotals,
                    $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
       } else {
          &outputTable($r,$showPoints,$notshowTotals,
                    $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
     }      }
       &endGradeScreen($r);
       return OK;
   
     # Keep this hash in sync with %statusIconMap in lonnavmaps; they  }
     # should match color/icon  
     my $res = $navmap->firstResource(); # temp resource to access constants  sub startGradeScreen {
        my ($r,$mode)=@_;
     # Header  
     $r->print(&Apache::loncommon::bodytag('Quick Score Display','',      my $showPoints =
                                           ''));          $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
       my $notshowSPRSlink =
     $r->print(<<HEADER);          (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
 <p>This screen shows how many problems (or problem parts) you have completed, and        || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals')
 how many you have not yet done. You can also look at <a href="/adm/studentcalc">a detailed        || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories'));
 score sheet</a>.</p>      my $notshowTotals=
 HEADER          $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
       my $showCategories=
           $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories';
   
       my $allowed_to_view =  &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
       my $allowed_to_edit =  &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
   
       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 points based on categories.')) if ($showCategories);
          push(@notes, &Apache::lonhtmlcommon::coursepreflink(&mt('Grade display settings'),'grading'));
          $r->print(&Apache::loncommon::head_subbox(join('&nbsp;&nbsp;',@notes)));
       }
   
   
       $r->print("\n".'<ul class="LC_TabContentBigger" id="main">');
       $r->print("\n".'<li'.($mode eq 'quick'?' class="active"':'').'><a href="/adm/quickgrades"><b>&nbsp;&nbsp;&nbsp;&nbsp;'.
                                             ($showPoints?&mt('Individual Points Overview'):($showCategories?&mt('Grades Overview'):&mt('Completion Overview'))).
                                             '&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>');
   
       if (!($showPoints || $notshowSPRSlink) || ($allowed_to_view)) {
          $r->print("\n".'<li'.($mode eq 'spreadsheet'?' class="active"':'').'><a href="/adm/'.($allowed_to_view?'classcalc':'studentcalc').'"><b>'.
                                                                    &mt('Spreadsheet (Detailed)').'</b></a></li>');
       }
       if ($allowed_to_view) {
          $r->print("\n".'<li'.($mode eq 'statistics'?' class="active"':'').'><a href="/adm/statistics"><b>'.
                                                                    &mt('Statistics and Reports').'</b></a></li>');
   
          $r->print("\n".'<li'.($mode eq 'chart'?' class="active"':'').'><a href="/adm/statistics?reportSelected=student_assessment"><b>'.
                                                                    &mt('Assessment Overview Chart').'</b></a></li>');
   
     $navmap->init();      }
       if ($allowed_to_edit) {
          $r->print("\n".'<li'.($mode eq 'grading'?' class="active"':'').'><a href="/adm/grades"><b>&nbsp;&nbsp;&nbsp;&nbsp;'.
                                                                    &mt('Content Grading').'&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>');
          if ($env{'form.symb'}) {
             $r->print("\n".'<li'.($mode eq 'probgrading'?' class="active"':'').'><a href="/adm/grades?symb='.
                                                 &Apache::lonhtmlcommon::entity_encode($env{'form.symb'}).
                                                 '&command=gradingmenu"><b>&nbsp;&nbsp;&nbsp;&nbsp;'.
                                                 &mt('Problem Grading').'&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>');
   
     # End navmap using boilerplate         }
       }
       $r->print("\n".'</ul>'."\n");
       $r->print('<div class="LC_Box" style="clear:both;margin:0;"><div id="maincoursedoc" style="margin:0 0;padding:0 0;"><div class="LC_ContentBox" id="mainCourseDocuments" style="display: block;">');
   }
   
   sub endGradeScreen {
      my ($r)=@_;
      $r->print('</div></div></div>');
   }
   
   
   sub getData {
   
       my ($showPoints,$uname,$udom)=@_;
   
       # Create the nav map
       my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
   
       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;
Line 105  HEADER Line 191  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 $now = time();
     my $topLevelParts = 0; my $topLevelRight = 0;      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 119  HEADER Line 209  HEADER
         {          {
             # Get number of correct, incorrect parts              # Get number of correct, incorrect parts
             my $parts = $curRes->parts();              my $parts = $curRes->parts();
             $totalParts += $curRes->countParts();  
             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 $completionStatus = $curRes->getCompletionStatus($part);
                 my $thisright = 0;   my $dateStatus = $curRes->getDateStatus($part);
                 if ($status == $curRes->CORRECT || $status == $curRes->CORRECT_BY_OVERRIDE  
                     || $status == $curRes->EXCUSED || $status == $curRes->ANSWER_SUBMITTED) {                  if ($completionStatus == $curRes->EXCUSED()) {
                     $partsRight++;                      next;
                     $totalRight++;  
                     $thisright = 1;  
                 }  
   
                 my $dateStatus = $curRes->getDateStatus($part);  
                 if ($curRes->opendate($part) < $now) {  
                     $totalPossible++;  
                 }                  }
    if ($showPoints) {
       my $score = 0;
       # If we're not telling status and the answer date isn't passed yet, 
       # it's an "attempted" point
       if ((($curRes->problemstatus($part) eq 'no') ||
                           ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
    ($dateStatus != $curRes->ANSWER_OPEN)) {
    my $status = $curRes->simpleStatus($part);
    if ($status == $curRes->ATTEMPTED) {
       $partsAttempted += $curRes->weight($part);
       $totalAttempted += $partsAttempted;
    }
       } else {
    $score = &Apache::grades::compute_points($curRes->weight($part), $curRes->awarded($part));
       }
       $partsRight += $score;
       $totalRight += $score;
       $partsCount += $curRes->weight($part);
   
       if ($curRes->opendate($part) < $now) {
    $totalPossible += $curRes->weight($part);
       }
       $totalParts += $curRes->weight($part);
    } 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++;
       }
       
       my $dateStatus = $curRes->getDateStatus($part);
       $totalParts++;
       if ($curRes->opendate($part) < $now) {
    $totalPossible++;
       }
    }
             }              }
   
             if ($depth == 1) { # in top-level only              if ($depth == 1) { # in top-level only
  $topLevelParts += scalar(@{$parts});   $topLevelParts += $partsCount;
  $topLevelRight += $partsRight;   $topLevelRight += $partsRight;
  $r->print($curRes->compTitle() . '<br>');   $topLevelAttempted += $partsAttempted;
     }      }
   
             # Crawl down stack and record parts correct and total              # Crawl down stack and record parts correct and total
Line 151  HEADER Line 280  HEADER
                     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);
Line 172  HEADER Line 309  HEADER
     my $indentString = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';      my $indentString = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
   
     # 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--; }
Line 183  HEADER Line 336  HEADER
                           
             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};
   
             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.';">');
                                   
  my $thisIndent = '';   my $thisIndent = '';
                 for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }                  for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
                                   
                 $r->print("$thisIndent$title</td>");                  $r->print("$thisIndent$title</td>");
                 $r->print("<td valign='top'>$thisIndent<nobr>$correct / $total</nobr></td></tr>\n");   if ($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 204  HEADER Line 374  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 ($topLevelParts > 0) {      if ($topLevelParts > 0) {
         my $ratio = $topLevelRight / $topLevelParts;          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()
         $r->print("Problems Not Contained In A Folder</td><td>");                   .'<td style="background-color:'.$color.';">');
         $r->print("$topLevelRight / $topLevelParts</td></tr>");          $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
           $r->print("$topLevelRight / $topLevelParts</td>"
                    .&Apache::loncommon::end_data_table_row());
     }      }
   
     my $maxHelpLink = Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");  #
   # show totals (if applicable), close table
   #
       if ($showPoints) {
           my $maxHelpLink = &Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
   
     $r->print("<tr><td colspan='2' align='right'>Total Parts Done: <b>$totalRight</b><br>");          $title = $showPoints ? "Points" : "Parts Done";
     $r->print("Max Possible To Date $maxHelpLink: <b>$totalPossible</b><br>");          my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
     $r->print("Total Parts In Course: <b>$totalParts</b></td></tr>\n\n");          $r->print(&Apache::loncommon::start_data_table_row()
                    .'<td colspan="2" align="right">'.$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());
       }
   
       $r->print(&Apache::loncommon::end_data_table()
                .&Apache::loncommon::end_page());
   
     $r->print("</table></body></html>");  }
   
     $navmap->untieHashes();  #
   # === Outputting category-based grades.
   #
   # $category{'order'}: output order of categories by id
   # $category{'all'}: complete list of all categories 
   # $category{$id.'_name'}: display-name of category
   #
   
     return OK;  sub outputCategories {
   
       my ($r,$showPoints,$notshowTotals,
              $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
   # Take care of storing and retrieving categories
   
       my $cangrade=&Apache::lonnet::allowed('mgr');
   
       my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
       my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
       my %categories=();
   # Loading old categories
       %categories=&Apache::lonnet::dump('grading_categories',$cdom,$cnum);
   # Storing
       if (($cangrade) && (($env{'form.storechanges'}) || ($env{'form.storemove'} ne ''))) {
   # Process the changes
           %categories=&process_category_edits($r,$cangrade,%categories);
   # Actually store
           &Apache::lonnet::logthis("Storing ".$categories{'order'});
           &Apache::lonnet::put('grading_categories',\%categories,$cdom,$cnum);
       }
   # new categories loaded now
   # Form only generated if user can change the grading categories
       if ($cangrade) {
           $r->print('<form method="post">');
       }
   #
       &output_category_table($r,$cangrade,$navmap,%categories);
   #
       if ($cangrade) {
           $r->print('<input type="hidden" name="storemove" value="" />'.
                     '<input type="submit" name="storechanges" value="'.&mt("Save changes to grading categories").'" /></form>');
       }
 }  }
   
   #
   # Process editing commands, update category hash
   #
   
   sub process_category_edits {
       my ($r,$cangrade,%categories)=@_;
       unless ($cangrade) { return %categories; }
       my $cmd=$env{'form.cmd'};
       if ($cmd eq 'createnewcat') {
           %categories=&make_new_category($r,$cangrade,undef,%categories);
       } elsif ($cmd=~/^delcat\_(.+)$/) {
           %categories=&del_category($1,$cangrade,%categories);
       } else {
   # Simply store the rest of the stuff
           foreach my $id (split(/\,/,$categories{'order'})) {
               %categories=&set_category_name($cangrade,$id,$env{'form.name_'.$id},%categories);
   # More changes here
           }
       }
       return %categories;
   }
   
   #
   # Output the table
   #
   
   sub output_category_table {
       my ($r,$cangrade,$navmaps,%categories)=@_;
       my $sum=0;
       my $total=0;
       $r->print(&Apache::loncommon::start_data_table());
   #
       &output_category_table_header($r,$cangrade);
   #
       my @order=split(/\,/,$categories{'order'});
   #
       my $maxpos=$#order;
       for (my $i=0;$i<=$maxpos;$i++) {
           my ($value,$weight)=&output_and_calc_category($r,$cangrade,$navmaps,$order[$i],$i,$maxpos,%categories);
           $sum+=$value*$weight;
           $total+=$weight;
       }
   #
       &bottom_line_category($r,$cangrade,$sum,$total);
   #
       $r->print(&Apache::loncommon::end_data_table());
       return $sum;
   }
   
   sub output_category_table_header {
       my ($r,$cangrade)=@_;
       $r->print(&Apache::loncommon::start_data_table_header_row());
       if ($cangrade) {
           $r->print('<th colspan="2">'.&mt("Move").'</th><th>'.&mt('Action').'</th>');
       }
       $r->print('<th>'.&mt('Category').'</th>'.
                 '<th>'.&mt('Contents').'</th>'.
                 '<th>'.&mt('Calculation').'</th>'.
                 '<th>'.&mt('Weight').'</th>'.
                 '<th>'.&mt('Percent Overall').'</th>');
       $r->print(&Apache::loncommon::end_data_table_header_row());
   }
   
   
   #
   # Output one category to table
   #
   
   sub output_and_calc_category {
       my ($r,$cangrade,$navmaps,$id,$currentpos,$maxpos,%categories)=@_;
       my $value=0;
       my $weight=0;
       my $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
       my %lt=&Apache::lonlocal::texthash(
              'up' => 'Move Up',
              'dw' => 'Move Down');
       $r->print("\n".&Apache::loncommon::start_data_table_row());
   
       if ($cangrade) {
           $r->print(<<ENDMOVE);
   <td>
   <div class="LC_docs_entry_move">
     <a href='/adm/quickgrades?cmd=up_$id&storechanges=1'>
       <img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" />
     </a>
   </div>
   <div class="LC_docs_entry_move">
     <a href='/adm/quickgrades?cmd=down_$id&storechanges=1'>
       <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" />
     </a>
   </div>
   </td>
   ENDMOVE
           $r->print("\n<td>\n<select name='newpos_$id' onchange='this.form.storemove.value=\"$id\";this.form.submit()'>");
           for (my $i=0;$i<=$maxpos;$i++) {
               if ($i==$currentpos) {
                   $r->print('<option value="" selected="selected">('.$i.')</option>');
               } else {
                   $r->print('<option value="'.$i.'">'.$i.'</option>');
               }
           }
           $r->print("\n</select>\n</td>\n");
           $r->print('<td><a href="/adm/quickgrades?cmd=delcat_'.$id.'&storechanges=1">'.&mt('Delete').'</a></td>');
           $r->print('<td><input type="text" name="name_'.$id.
                     '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_name'}).'" /></td>');
       } else {
           $r->print('<td>'.$categories{$id.'_name'}.'</td>');
       }
       $r->print(&Apache::loncommon::end_data_table_row()."\n");
       return ($value,$weight);
   }
   
   #
   # Bottom line with grades
   #
   
   sub bottom_line_category {
       my ($r,$cangrade,$sum,$total)=@_;
       $r->print(&Apache::loncommon::start_data_table_row());
       if ($cangrade) {
           $r->print('<td colspan="3"><a href="/adm/quickgrades?cmd=createnewcat&storechanges=1">'.&mt('Create New Category').'</a></td>');
       }
       $r->print('<td colspan="5">'.&mt('Current:').$sum.'<br />'.&mt('Total:').$total.'<br /></td>');
   }
   
   #
   # Make one new category
   #
   
   sub make_new_category {
       my ($r,$cangrade,$ordernum,%categories)=@_;
       unless ($cangrade) { return %categories; }
   # Generate new ID
       my $id=time.'_'.$$.'_'.rand(10000);
   # Add new ID to list of all IDs ever created in this course
       $categories{'all'}.=','.$id;
       $categories{'all'}=~s/^\,//;
   # Add new ID to ordered list of displayed and evaluated categories
       $categories{'order'}.=','.$id;
       $categories{'order'}=~s/^\,//;
   # Move it into desired space
       if (defined($ordernum)) {
           %categories=&move_category($id,$cangrade,$ordernum,%categories);
       }
       return %categories;
   }
   
   #
   # Delete category
   #
   
   sub del_category {
      my ($id,$cangrade,%categories)=@_; 
      my @neworder=();
      foreach my $currentid (split(/\,/,$categories{'order'})) {
         unless ($currentid eq $id) {
            push(@neworder,$currentid);
         }
      }
      $categories{'order'}=join(',',@neworder);
      return %categories;
   }
   
   #
   # Move a category to a desired position n the display order
   #
   
   sub move_category {
       my ($id,$cangrade,$ordernum,%categories)=@_;
       unless ($cangrade) { return %categories; }
       my @order=split(/\,/,$categories{'order'});
   # Where is the index currently?
       my $currentpos=&current_pos_category($id,%categories);
       if (defined($currentpos)) {
           if ($currentpos<$ordernum) {
   # This is moving to a higher index
   # ....X1234....
   # ....1234X....
               for (my $i=$currentpos;$i<$ordernum;$i++) {
                   $order[$i]=$order[$i+1];
               }
               $order[$ordernum]=$id;
           }
           if ($currentpos>$ordernum) {
   # This is moving to a lower index
   # ....1234X....
   # ....X1234....
               for (my $i=$currentpos;$i>$ordernum;$i--) {
                   $order[$i]=$order[$i-1];
               }
               $order[$ordernum]=$id;
           }
       }
       $categories{'order'}=join(',',@order);
       return %categories;
   }
   
   #
   #  Find current postion of a category in the order
   #
   
   sub current_pos_category {
       my ($id,%categories)=@_;
       my @order=split(/\,/,$categories{'order'});
       for (my $i=0;$i<=$#order;$i++) {
           if ($order[$i] eq $id) { return $i; }
       }
   # not found
       return undef;
   }
   
   #
   # Set name of a category
   #
   sub set_category_name {
       my ($cangrade,$id,$name,%categories)=@_;
       unless ($cangrade) { return %categories; }
       $categories{$id.'_name'}=$name;
       return %categories;
   }
   
   #
   # === end category-related
   #
   #
 # 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
 # from 0 to 1 for how much of the latter you want to mix in. It will  # from 0 to 1 for how much of the latter you want to mix in. It will
 # return a string ready to show ("#FFC309");  # return a string ready to show ("#FFC309");
   
 sub mixColors {  sub mixColors {
     my $start = shift;      my $start = shift;
     my $end = shift;      my $end = shift;
Removed from v.1.16  
changed lines
  Added in v.1.69

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