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Mode to not display total parts.

    1: # The LearningOnline Network with CAPA
    2: # Quick Student Grades Display
    3: #
    4: # $Id: lonquickgrades.pm,v 1.49 2009/11/21 18:07:03 www Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::lonquickgrades;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :http);
   33: use POSIX;
   34: use Apache::loncommon;
   35: use Apache::lonlocal;
   36: use Apache::lonnet;
   37: use Apache::grades;
   38: 
   39: sub handler {
   40:     my $r = shift;
   41:     return real_handler($r);
   42: }
   43: 
   44: sub real_handler {
   45:     my $r = shift;
   46: 
   47:     &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
   48: 
   49:     # Handle header-only request
   50:     if ($env{'browser.mathml'}) {
   51: 	&Apache::loncommon::content_type($r,'text/xml');
   52:     } else {
   53: 	&Apache::loncommon::content_type($r,'text/html');
   54:     }
   55:     if ($r->header_only) {
   56: 	$r->send_http_header;
   57:         return OK;
   58:     }
   59: 
   60:     # Send header, don't cache this page
   61:     &Apache::loncommon::no_cache($r);
   62:     $r->send_http_header;
   63: 
   64:     my $showPoints = 
   65:         $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
   66:     my $notshowSPRSlink = 
   67:         (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
   68:       || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
   69:     my $notshowTotals=
   70:         $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
   71: 
   72:     # Create the nav map
   73:     my $navmap = Apache::lonnavmaps::navmap->new();
   74: 
   75:     if (!defined($navmap)) {
   76:         my $requrl = $r->uri;
   77:         $env{'user.error.msg'} = "$requrl:bre:0:0:Navamp initialization failed.";
   78:         return HTTP_NOT_ACCEPTABLE;
   79:     }
   80: 
   81:     # Keep this hash in sync with %statusIconMap in lonnavmaps; they
   82:     # should match color/icon
   83:     my $res = $navmap->firstResource(); # temp resource to access constants
   84:  
   85:     # Header
   86:     my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
   87:     my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
   88:     $r->print(&Apache::loncommon::start_page($title,undef,
   89:                                             {'bread_crumbs' => $brcrum})
   90:              );
   91: 
   92:     if (!$showPoints && !$notshowSPRSlink ) {
   93:         $r->print('<p>'
   94:                  .&mt('This screen shows how many problems (or problem parts) you have completed'
   95:                      .', and how many you have not yet done.'
   96:                      .' You can also look at [_1]a detailed score sheet[_2].'
   97:                      ,'<a href="/adm/studentcalc">','</a>')
   98:                  .'</p>');
   99:     }
  100: 
  101:     $r->print('<p class="LC_info">'.&mt('This may take a few moments to display.').'</p>');
  102: 
  103:     $r->rflush();
  104: 
  105:     # End navmap using boilerplate
  106: 
  107:     my $iterator = $navmap->getIterator(undef, undef, undef, 1);
  108:     my $depth = 1;
  109:     $iterator->next(); # ignore first BEGIN_MAP
  110:     my $curRes = $iterator->next();
  111:     
  112:     # General overview of the following: Walk along the course resources.
  113:     # For every problem in the resource, tell its parent maps how many
  114:     # parts and how many parts correct it has. After that, each map will
  115:     # have a count of the total parts underneath it, correct and otherwise.
  116:     # After that, we will walk through the course again and read off
  117:     # maps in order, with their data. 
  118:     # (If in the future people decide not to be cumulative, only add
  119:     #  the counts to the parent map.)
  120:     # For convenience, "totalParts" is also "totalPoints" when we're looking
  121:     #  at points; I can't come up with a variable name that makes sense
  122:     #  equally for both cases.
  123: 
  124:     my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
  125:     my $totalAttempted = 0;
  126:     my $now = time();
  127:     my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
  128: 
  129:     # Pre-run: Count parts correct
  130:     while ( $depth > 0 ) {
  131:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
  132:         if ($curRes == $iterator->END_MAP()) { $depth--; }
  133: 
  134:         if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
  135:         {
  136:             # Get number of correct, incorrect parts
  137:             my $parts = $curRes->parts();
  138:             my $partsRight = 0;
  139: 	    my $partsCount = 0;
  140: 	    my $partsAttempted = 0;
  141:             my $stack = $iterator->getStack();
  142:             
  143:             for my $part (@{$parts}) {
  144: 		my $completionStatus = $curRes->getCompletionStatus($part);
  145: 		my $dateStatus = $curRes->getDateStatus($part);
  146: 		
  147:                 if ($completionStatus == $curRes->EXCUSED()) {
  148:                     next;
  149:                 }
  150: 		if ($showPoints) {
  151: 		    my $score = 0;
  152: 		    # If we're not telling status and the answer date isn't passed yet, 
  153: 		    # it's an "attempted" point
  154: 		    if ((($curRes->problemstatus($part) eq 'no') ||
  155:                         ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
  156: 			($dateStatus != $curRes->ANSWER_OPEN)) {
  157: 			my $status = $curRes->simpleStatus($part);
  158: 			if ($status == $curRes->ATTEMPTED) {
  159: 			    $partsAttempted += $curRes->weight($part);
  160: 			    $totalAttempted += $partsAttempted;
  161: 			}
  162: 		    } else {
  163: 			$score = &Apache::grades::compute_points($curRes->weight($part), $curRes->awarded($part));
  164: 		    }
  165: 		    $partsRight += $score;
  166: 		    $totalRight += $score;
  167: 		    $partsCount += $curRes->weight($part);
  168: 
  169: 		    if ($curRes->opendate($part) < $now) {
  170: 			$totalPossible += $curRes->weight($part);
  171: 		    }
  172: 		    $totalParts += $curRes->weight($part);
  173: 		} else {
  174: 		    my $status = $curRes->simpleStatus($part);
  175: 		    my $thisright = 0;
  176: 		    $partsCount++;
  177: 		    if ($status == $curRes->CORRECT ||
  178: 			$status == $curRes->PARTIALLY_CORRECT ) {
  179: 			$partsRight++;
  180: 			$totalRight++;
  181: 			$thisright = 1;
  182: 		    }
  183: 
  184: 		    if ($status == $curRes->ATTEMPTED) {
  185: 			$partsAttempted++;
  186: 			$totalAttempted++;
  187: 		    }
  188: 		    
  189: 		    my $dateStatus = $curRes->getDateStatus($part);
  190: 		    $totalParts++;
  191: 		    if ($curRes->opendate($part) < $now) {
  192: 			$totalPossible++;
  193: 		    }
  194: 		}
  195:             }
  196: 
  197:             if ($depth == 1) { # in top-level only
  198: 		$topLevelParts += $partsCount;
  199: 		$topLevelRight += $partsRight;
  200: 		$topLevelAttempted += $partsAttempted;
  201: 	    }
  202: 
  203:             # Crawl down stack and record parts correct and total
  204:             for my $res (@{$stack}) {
  205:                 if (ref($res) && $res->is_map()) {
  206:                     if (!defined($res->{DATA}->{CHILD_PARTS})) {
  207:                         $res->{DATA}->{CHILD_PARTS} = 0;
  208:                         $res->{DATA}->{CHILD_CORRECT} = 0;
  209: 			$res->{DATA}->{CHILD_ATTEMPTED} = 0;
  210:                     }
  211:                     
  212:                     $res->{DATA}->{CHILD_PARTS} += $partsCount;
  213:                     $res->{DATA}->{CHILD_CORRECT} += $partsRight;
  214: 		    $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
  215:                 }
  216:             }
  217:         }
  218:         $curRes = $iterator->next();
  219:     }
  220: 
  221:     $iterator = $navmap->getIterator(undef, undef, undef, 1);
  222:     $depth = 1;
  223:     $iterator->next(); # ignore first BEGIN_MAP
  224:     $curRes = $iterator->next();
  225: 
  226:     my @start = (255, 255, 192);
  227:     my @end   = (0, 192, 0);
  228: 
  229:     my $indentString = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
  230: 
  231:     # Second pass: Print the maps.
  232:     $r->print(&Apache::loncommon::start_data_table()
  233:              .&Apache::loncommon::start_data_table_header_row()
  234:              .'<th>'.&mt('Folder').'</th>');
  235:     $title = &mt($showPoints ? "Points Scored" : "Done");
  236:     if ($totalAttempted) {
  237: 	$title .= " / " . &mt("Attempted");
  238:     }
  239:     $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
  240:              .&Apache::loncommon::end_data_table_header_row());
  241:     while ($depth > 0) {
  242:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
  243:         if ($curRes == $iterator->END_MAP()) { $depth--; }
  244: 
  245:         if (ref($curRes) && $curRes->is_map()) {
  246:             my $title = $curRes->compTitle();
  247:             
  248:             my $correct = $curRes->{DATA}->{CHILD_CORRECT};
  249:             my $total = $curRes->{DATA}->{CHILD_PARTS};
  250: 	    my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
  251: 
  252:             if ($total > 0) {
  253:                 my $ratio;
  254:                 $ratio = $correct / $total;
  255:                 my $color = mixColors(\@start, \@end, $ratio);
  256:                 $r->print(&Apache::loncommon::start_data_table_row()
  257:                          .'<td style="background-color:'.$color.';">');
  258:                 
  259: 		my $thisIndent = '';
  260:                 for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
  261:                 
  262:                 $r->print("$thisIndent$title</td>");
  263: 		if ($totalAttempted) {
  264: 		    $r->print('<td valign="top">'
  265:                              .$thisIndent
  266:                              .'<span class="LC_nobreak">'
  267:                              .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
  268:                              .'</span></td>'
  269:                              .&Apache::loncommon::end_data_table_row()
  270:                     );
  271: 		} else {
  272: 		    $r->print('<td valign="top">'
  273:                              .$thisIndent
  274:                              .'<span class="LC_nobreak">'
  275:                              .$correct.($notshowTotals?'':' / '.$total)
  276:                              .'</span></td>'
  277:                              .&Apache::loncommon::end_data_table_row());
  278: 		}
  279:             }
  280:         }
  281: 
  282:         $curRes = $iterator->next();
  283:     }
  284: 
  285:     # If there were any problems at the top level, print an extra "catchall"
  286:     if ($topLevelParts > 0) {
  287:         my $ratio = $topLevelRight / $topLevelParts;
  288:         my $color = mixColors(\@start, \@end, $ratio);
  289:         $r->print(&Apache::loncommon::start_data_table_row()
  290:                  .'<td style="background-color:'.$color.';">');
  291:         $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
  292:         $r->print("$topLevelRight / $topLevelParts</td>"
  293:                  .&Apache::loncommon::end_data_table_row());
  294:     }
  295: 
  296:     if ($showPoints) {
  297: 	my $maxHelpLink = Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
  298: 
  299: 	$title = $showPoints ? "Points" : "Parts Done";
  300: 	my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
  301: 	$r->print(&Apache::loncommon::start_data_table_row()
  302:                  .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
  303: 	$r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
  304: 	$title = $showPoints ? "Points" : "Parts";
  305: 	$r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
  306:                  .&Apache::loncommon::end_data_table_row());
  307:     }
  308: 
  309:     $r->print(&Apache::loncommon::end_data_table()
  310:              .&Apache::loncommon::end_page());
  311: 
  312:     return OK;
  313: }
  314: 
  315: # Pass this two refs to arrays for the start and end color, and a number
  316: # from 0 to 1 for how much of the latter you want to mix in. It will
  317: # return a string ready to show ("#FFC309");
  318: sub mixColors {
  319:     my $start = shift;
  320:     my $end = shift;
  321:     my $ratio = shift;
  322:     
  323:     my ($a,$b);
  324:     my $final = "";
  325:     $a = $start->[0]; $b = $end->[0];
  326:     my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
  327:     $a = $start->[1]; $b = $end->[1];
  328:     my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
  329:     $a = $start->[2]; $b = $end->[2];
  330:     my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
  331: 
  332:     $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
  333:     return "#" . $final;
  334: }
  335: 
  336: 1;