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    1: # The LearningOnline Network with CAPA
    2: # Quick Student Grades Display
    3: #
    4: # $Id:
    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: # Created Nov. 14, 2002 by Jeremy Bowers
   29: 
   30: package Apache::lonquickgrades;
   31: 
   32: use strict;
   33: use Apache::Constants qw(:common :http);
   34: 
   35: sub handler {
   36:     my $r = shift;
   37: 
   38:     &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
   39: 
   40:     # Handle header-only request
   41:     if ($r->header_only) {
   42:         if ($ENV{'browser.mathml'}) {
   43:             $r->content_type('text/xml');
   44:         } else {
   45:             $r->content_type('text/html');
   46:         }
   47:         $r->send_http_header;
   48:         return OK;
   49:     }
   50: 
   51:     # Send header, don't cache this page
   52:     if ($ENV{'browser.mathml'}) {
   53:         $r->content_type('text/xml');
   54:     } else {
   55:         $r->content_type('text/html');
   56:     }
   57:     &Apache::loncommon::no_cache($r);
   58:     $r->send_http_header;
   59: 
   60:     # Create the nav map
   61:     my $navmap = Apache::lonnavmaps::navmap->new(
   62:                         $ENV{"request.course.fn"}.".db",
   63:                         $ENV{"request.course.fn"}."_parms.db", 1, 0);
   64: 
   65:     if (!defined($navmap)) {
   66:         my $requrl = $r->uri;
   67:         $ENV{'user.error.msg'} = "$requrl:bre:0:0:Course not initialized";
   68:         return HTTP_NOT_ACCEPTABLE;
   69:     }
   70:  
   71:     # Header
   72:     $r->print(&Apache::loncommon::bodytag('Quick Score Display','',
   73:                                           ''));
   74: 
   75:     $navmap->init();
   76: 
   77:     # End navmap using boilerplate
   78: 
   79:     # Col labels
   80:     $r->print(<<TABLETOP);
   81: <table border="1" cellpadding="3" cellspacing="0">
   82:   <tr>
   83:     <td align="center"><b>Problem</b></td>
   84:     <td align="center"><b>Score</b></td>
   85:   </tr>
   86: TABLETOP
   87: 
   88:     my $iterator = $navmap->getIterator(undef, undef, undef, 1);
   89:     my $depth = 1;
   90:     $iterator->next(); # ignore first BEGIN_MAP
   91:     my $curRes = $iterator->next();
   92:     my $totalAvailable = 0;
   93:     my $total = 0;
   94:    
   95:     while ( $depth > 0 ) {
   96:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
   97:         if ($curRes == $iterator->END_MAP()) { $depth--; }
   98: 
   99:         if (ref($curRes) && $curRes->is_problem()) {
  100:             my $title = $curRes->compTitle();
  101:             $r->print('    <tr>');
  102:             my $stack = $iterator->getStack();
  103:             my $src = Apache::lonnavmaps::getLinkForResource($stack);
  104:             my $srcHasQuestion = $src =~ /\?/;
  105:             my $link = $src.
  106:                 ($srcHasQuestion?'&':'?') .
  107:                 'symb='.&Apache::lonnet::escape($curRes->symb()).
  108:                 '"';
  109:             $r->print("<td><a href=\"$link\">$title</td>");
  110:             
  111:             my $avail = 0;
  112:             my $score = 0;
  113:             my $parts = $curRes->parts();
  114:             for my $part (@{$parts}) {
  115:                 my $partAvail = $curRes->weight($part);
  116:                 my $partScore = $curRes->awarded($part) * $partAvail;
  117:                 $avail += $partAvail;
  118:                 $score += $partScore;
  119:             }
  120:             
  121:             $r->print("<td align=\"right\">$score / $avail</td></tr>\n");
  122:             $totalAvailable += $avail;
  123:             $total += $score;
  124:         }
  125: 
  126:         $curRes = $iterator->next();
  127:     }
  128: 
  129:     $r->print("<td colspan=\"2\" align=\"right\">Total Points Scored: <b>$total</b>");
  130:     $r->print("<br />Total Points Available: <b>$totalAvailable</b>");
  131:     $r->print("</td></tr></table>\n\n");
  132: 
  133:     $r->print("</body></html>");
  134: 
  135:     $navmap->untieHashes();
  136: 
  137:     return OK;
  138: }
  139: 
  140: 1;