Annotation of loncom/interface/lonquickgrades.pm, revision 1.9

1.1       bowersj2    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);
1.5       bowersj2   34: use POSIX;
1.1       bowersj2   35: 
                     36: sub handler {
                     37:     my $r = shift;
1.5       bowersj2   38:     return real_handler($r);
                     39: }
                     40: 
                     41: sub real_handler {
                     42:     my $r = shift;
1.1       bowersj2   43: 
                     44:     &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                     45: 
                     46:     # Handle header-only request
                     47:     if ($r->header_only) {
                     48:         if ($ENV{'browser.mathml'}) {
                     49:             $r->content_type('text/xml');
                     50:         } else {
                     51:             $r->content_type('text/html');
                     52:         }
                     53:         $r->send_http_header;
                     54:         return OK;
                     55:     }
                     56: 
                     57:     # Send header, don't cache this page
                     58:     if ($ENV{'browser.mathml'}) {
                     59:         $r->content_type('text/xml');
                     60:     } else {
                     61:         $r->content_type('text/html');
                     62:     }
                     63:     &Apache::loncommon::no_cache($r);
                     64:     $r->send_http_header;
                     65: 
                     66:     # Create the nav map
                     67:     my $navmap = Apache::lonnavmaps::navmap->new(
                     68:                         $ENV{"request.course.fn"}.".db",
1.2       bowersj2   69:                         $ENV{"request.course.fn"}."_parms.db", 1, 0);
1.1       bowersj2   70: 
1.7       bowersj2   71:     if (!defined($navmap)) {
                     72:         my $requrl = $r->uri;
                     73:         $ENV{'user.error.msg'} = "$requrl:bre:0:0:Navamp initialization failed.";
                     74:         return HTTP_NOT_ACCEPTABLE;
                     75:     }
                     76: 
1.4       bowersj2   77:     # Keep this hash in sync with %statusIconMap in lonnavmaps; they
                     78:     # should match color/icon
                     79:     my $res = $navmap->firstResource(); # temp resource to access constants
                     80: 
1.1       bowersj2   81:     if (!defined($navmap)) {
                     82:         my $requrl = $r->uri;
                     83:         $ENV{'user.error.msg'} = "$requrl:bre:0:0:Course not initialized";
                     84:         return HTTP_NOT_ACCEPTABLE;
                     85:     }
                     86:  
                     87:     # Header
1.2       bowersj2   88:     $r->print(&Apache::loncommon::bodytag('Quick Score Display','',
1.1       bowersj2   89:                                           ''));
                     90: 
1.7       bowersj2   91:     $r->print(<<HEADER);
                     92: <p>This screen shows how many problems (or problem parts) you have completed, and
1.8       matthew    93: how many you have not yet done. You can also look at <a href="/adm/studentcalc">a detailed
1.7       bowersj2   94: score sheet</a>.</p>
                     95: HEADER
                     96: 
1.2       bowersj2   97:     $navmap->init();
                     98: 
1.1       bowersj2   99:     # End navmap using boilerplate
                    100: 
                    101:     my $iterator = $navmap->getIterator(undef, undef, undef, 1);
                    102:     my $depth = 1;
                    103:     $iterator->next(); # ignore first BEGIN_MAP
                    104:     my $curRes = $iterator->next();
1.4       bowersj2  105:     
1.5       bowersj2  106:     # General overview of the following: Walk along the course resources.
                    107:     # For every problem in the resource, tell its parent maps how many
                    108:     # parts and how many parts correct it has. After that, each map will
                    109:     # have a count of the total parts underneath it, correct and otherwise.
                    110:     # After that, we will walk through the course again and read off
                    111:     # maps in order, with their data. 
                    112:     # (If in the future people decide not to be cumulative, only add
                    113:     #  the counts to the parent map.)
                    114: 
                    115:     my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
                    116: 
                    117:     # Pre-run: Count parts correct
1.1       bowersj2  118:     while ( $depth > 0 ) {
                    119:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
                    120:         if ($curRes == $iterator->END_MAP()) { $depth--; }
                    121: 
1.7       bowersj2  122:         if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
1.5       bowersj2  123:         {
                    124:             # Get number of correct, incorrect parts
                    125:             my $parts = $curRes->parts();
                    126:             if (scalar(@{$parts}) > 1) { shift @{$parts}; } # lose the first "0"
                    127:             $totalParts += scalar(@{$parts});
                    128:             my $partsRight = 0;
                    129:             my $stack = $iterator->getStack();
                    130:             
                    131:             for my $part (@{$parts}) {
                    132:                 my $status = $curRes->getCompletionStatus($part);
                    133:                 if ($status == $curRes->CORRECT || $status == $curRes->CORRECT_BY_OVERRIDE
                    134:                     || $status == $curRes->EXCUSED) {
                    135:                     $partsRight++;
                    136:                     $totalRight++;
                    137:                 }
                    138: 
                    139:                 my $dateStatus = $curRes->getDateStatus($part);
                    140:                 if ($status != $curRes->OPEN_LATER) {
                    141:                     $totalPossible++;
                    142:                 }
                    143:             }
                    144:             
                    145:             # Crawl down stack and record parts correct and total
                    146:             for my $res (@{$stack}) {
                    147:                 if (ref($res) && $res->is_map()) {
                    148:                     if (!defined($res->{DATA}->{CHILD_PARTS})) {
                    149:                         $res->{DATA}->{CHILD_PARTS} = 0;
                    150:                         $res->{DATA}->{CHILD_CORRECT} = 0;
                    151:                     }
                    152:                     
                    153:                     $res->{DATA}->{CHILD_PARTS} += scalar(@{$parts});
                    154:                     $res->{DATA}->{CHILD_CORRECT} += $partsRight;
                    155:                 }
                    156:             }
                    157:         }
                    158:         $curRes = $iterator->next();
                    159:     }
                    160: 
                    161:     $iterator = $navmap->getIterator(undef, undef, undef, 1);
1.9     ! matthew   162:     $depth = 1;
1.5       bowersj2  163:     $iterator->next(); # ignore first BEGIN_MAP
1.9     ! matthew   164:     $curRes = $iterator->next();
1.5       bowersj2  165: 
1.7       bowersj2  166:     my @start = (255, 255, 192);
1.5       bowersj2  167:     my @end   = (0, 192, 0);
                    168: 
                    169:     my $indentString = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
                    170: 
1.6       bowersj2  171:     my $unaccountedTotal = $totalParts;
                    172:     my $unaccountedCorrect = $totalRight;
                    173: 
1.5       bowersj2  174:     # Second pass: Print the maps.
                    175:     $r->print('<table cellspacing="3" border="2"><tr><td align="center"><b>Sequence</b></td>');
                    176:     $r->print('<td align="center">Correct / Total</td><tr>' . "\n\n");
                    177:     while ($depth > 0) {
                    178:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
                    179:         if ($curRes == $iterator->END_MAP()) { $depth--; }
                    180: 
                    181:         if (ref($curRes) && $curRes->is_map()) {
1.2       bowersj2  182:             my $stack = $iterator->getStack();
                    183:             my $src = Apache::lonnavmaps::getLinkForResource($stack);
                    184:             my $srcHasQuestion = $src =~ /\?/;
                    185:             my $link = $src.
                    186:                 ($srcHasQuestion?'&':'?') .
                    187:                 'symb='.&Apache::lonnet::escape($curRes->symb()).
                    188:                 '"';
1.5       bowersj2  189:             my $title = $curRes->compTitle();
                    190:             
                    191:             my $correct = $curRes->{DATA}->{CHILD_CORRECT};
                    192:             my $total = $curRes->{DATA}->{CHILD_PARTS};
                    193: 
1.6       bowersj2  194:             $unaccountedTotal -= $total;
                    195:             $unaccountedCorrect -= $correct;
1.4       bowersj2  196: 
1.6       bowersj2  197:             if ($total > 0) {
                    198:                 my $ratio;
                    199:                 $ratio = $correct / $total;
                    200:                 my $color = mixColors(\@start, \@end, $ratio);
                    201:                 $r->print("<tr><td bgcolor='$color'>");
                    202:                 
                    203:                 for (my $i = 1; $i < $depth; $i++) { $r->print($indentString); }
                    204:                 
                    205:                 $r->print("<a href='$link'>$title</a></td>");
                    206:                 $r->print("<td align='center'>$correct / $total</td></tr>\n");
                    207:             }
1.5       bowersj2  208:         }
1.4       bowersj2  209: 
1.5       bowersj2  210:         $curRes = $iterator->next();
                    211:     }
1.4       bowersj2  212: 
1.6       bowersj2  213:     # If there were any problems at the top level, print an extra "catchall"
                    214:     if ($unaccountedTotal > 0) {
                    215:         my $ratio = $unaccountedCorrect / $unaccountedTotal;
                    216:         my $color = mixColors(\@start, \@end, $ratio);
                    217:         $r->print("<tr><td bgcolor='$color'>");
                    218:         $r->print("Problems Not Contained In Sequences</td><td align='center'>");
                    219:         $r->print("$unaccountedCorrect / $unaccountedTotal</td></tr>");
                    220:     }
1.4       bowersj2  221: 
1.6       bowersj2  222:     my $maxHelpLink = Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
1.1       bowersj2  223: 
1.5       bowersj2  224:     $r->print("<tr><td colspan='2' align='right'>Total Parts Correct: <b>$totalRight</b><br>");
1.6       bowersj2  225:     $r->print("Max Possible To Date $maxHelpLink: <b>$totalPossible</b><br>");
1.5       bowersj2  226:     $r->print("Total Parts In Course: <b>$totalParts</b></td></tr>\n\n");
1.2       bowersj2  227: 
1.1       bowersj2  228: 
1.5       bowersj2  229:     $r->print("</table></body></html>");
1.1       bowersj2  230: 
1.3       bowersj2  231:     $navmap->untieHashes();
                    232: 
1.1       bowersj2  233:     return OK;
1.5       bowersj2  234: }
                    235: 
                    236: # Pass this two refs to arrays for the start and end color, and a number
                    237: # from 0 to 1 for how much of the latter you want to mix in. It will
                    238: # return a string ready to show ("#FFC309");
                    239: sub mixColors {
                    240:     my $start = shift;
                    241:     my $end = shift;
                    242:     my $ratio = shift;
                    243:     
1.9     ! matthew   244:     my ($a,$b);
1.5       bowersj2  245:     my $final = "";
1.9     ! matthew   246:     $a = $start->[0]; $b = $end->[0];
1.5       bowersj2  247:     my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
1.9     ! matthew   248:     $a = $start->[1]; $b = $end->[1];
1.5       bowersj2  249:     my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
1.9     ! matthew   250:     $a = $start->[2]; $b = $end->[2];
1.5       bowersj2  251:     my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
                    252: 
1.9     ! matthew   253:     $final = sprintf "%2x%2x%2x", $mix1, $mix2, $mix3;
1.5       bowersj2  254:     return "#" . $final;
1.1       bowersj2  255: }
                    256: 
                    257: 1;

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