Annotation of loncom/interface/lonquickgrades.pm, revision 1.5
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:
1.4 bowersj2 71: # Keep this hash in sync with %statusIconMap in lonnavmaps; they
72: # should match color/icon
73: my $res = $navmap->firstResource(); # temp resource to access constants
74:
1.1 bowersj2 75: if (!defined($navmap)) {
76: my $requrl = $r->uri;
77: $ENV{'user.error.msg'} = "$requrl:bre:0:0:Course not initialized";
78: return HTTP_NOT_ACCEPTABLE;
79: }
80:
81: # Header
1.2 bowersj2 82: $r->print(&Apache::loncommon::bodytag('Quick Score Display','',
1.1 bowersj2 83: ''));
84:
1.2 bowersj2 85: $navmap->init();
86:
1.1 bowersj2 87: # End navmap using boilerplate
88:
89: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
90: my $depth = 1;
91: $iterator->next(); # ignore first BEGIN_MAP
92: my $curRes = $iterator->next();
1.4 bowersj2 93:
1.5 ! bowersj2 94: # General overview of the following: Walk along the course resources.
! 95: # For every problem in the resource, tell its parent maps how many
! 96: # parts and how many parts correct it has. After that, each map will
! 97: # have a count of the total parts underneath it, correct and otherwise.
! 98: # After that, we will walk through the course again and read off
! 99: # maps in order, with their data.
! 100: # (If in the future people decide not to be cumulative, only add
! 101: # the counts to the parent map.)
! 102:
! 103: my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
! 104:
! 105: # Pre-run: Count parts correct
1.1 bowersj2 106: while ( $depth > 0 ) {
107: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
108: if ($curRes == $iterator->END_MAP()) { $depth--; }
109:
1.5 ! bowersj2 110: if (ref($curRes) && $curRes->is_problem())
! 111: {
! 112: # Get number of correct, incorrect parts
! 113: my $parts = $curRes->parts();
! 114: if (scalar(@{$parts}) > 1) { shift @{$parts}; } # lose the first "0"
! 115: $totalParts += scalar(@{$parts});
! 116: my $partsRight = 0;
! 117: my $stack = $iterator->getStack();
! 118:
! 119: for my $part (@{$parts}) {
! 120: my $status = $curRes->getCompletionStatus($part);
! 121: if ($status == $curRes->CORRECT || $status == $curRes->CORRECT_BY_OVERRIDE
! 122: || $status == $curRes->EXCUSED) {
! 123: $partsRight++;
! 124: $totalRight++;
! 125: }
! 126:
! 127: my $dateStatus = $curRes->getDateStatus($part);
! 128: if ($status != $curRes->OPEN_LATER) {
! 129: $totalPossible++;
! 130: }
! 131: }
! 132:
! 133: # Crawl down stack and record parts correct and total
! 134: for my $res (@{$stack}) {
! 135: if (ref($res) && $res->is_map()) {
! 136: if (!defined($res->{DATA}->{CHILD_PARTS})) {
! 137: $res->{DATA}->{CHILD_PARTS} = 0;
! 138: $res->{DATA}->{CHILD_CORRECT} = 0;
! 139: }
! 140:
! 141: $res->{DATA}->{CHILD_PARTS} += scalar(@{$parts});
! 142: $res->{DATA}->{CHILD_CORRECT} += $partsRight;
! 143: }
! 144: }
! 145: }
! 146: $curRes = $iterator->next();
! 147: }
! 148:
! 149: $iterator = $navmap->getIterator(undef, undef, undef, 1);
! 150: my $depth = 1;
! 151: $iterator->next(); # ignore first BEGIN_MAP
! 152: my $curRes = $iterator->next();
! 153:
! 154: my @start = (255, 255, 0);
! 155: my @end = (0, 192, 0);
! 156:
! 157: my $indentString = ' ';
! 158:
! 159: # Second pass: Print the maps.
! 160: $r->print('<table cellspacing="3" border="2"><tr><td align="center"><b>Sequence</b></td>');
! 161: $r->print('<td align="center">Correct / Total</td><tr>' . "\n\n");
! 162: while ($depth > 0) {
! 163: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
! 164: if ($curRes == $iterator->END_MAP()) { $depth--; }
! 165:
! 166: if (ref($curRes) && $curRes->is_map()) {
1.2 bowersj2 167: my $stack = $iterator->getStack();
168: my $src = Apache::lonnavmaps::getLinkForResource($stack);
169: my $srcHasQuestion = $src =~ /\?/;
170: my $link = $src.
171: ($srcHasQuestion?'&':'?') .
172: 'symb='.&Apache::lonnet::escape($curRes->symb()).
173: '"';
1.5 ! bowersj2 174: my $title = $curRes->compTitle();
! 175:
! 176: my $correct = $curRes->{DATA}->{CHILD_CORRECT};
! 177: my $total = $curRes->{DATA}->{CHILD_PARTS};
! 178:
! 179: my $ratio;
! 180: $ratio = $total==0 ? 1 : $correct / $total;
! 181: my $color = mixColors(\@start, \@end, $ratio);
! 182: $r->print("<tr><td bgcolor='$color'>");
! 183:
! 184: for (my $i = 1; $i < $depth; $i++) { $r->print($indentString); }
1.4 bowersj2 185:
1.5 ! bowersj2 186: $r->print("<a href='$link'>$title</a></td>");
! 187: $r->print("<td>$correct / $total</td></tr>\n");
! 188: }
1.4 bowersj2 189:
1.5 ! bowersj2 190: $curRes = $iterator->next();
! 191: }
1.4 bowersj2 192:
193:
1.5 ! bowersj2 194: $r->print("\n</tr>\n\n");
1.1 bowersj2 195:
1.5 ! bowersj2 196: $r->print("<tr><td colspan='2' align='right'>Total Parts Correct: <b>$totalRight</b><br>");
! 197: $r->print("Number Of Parts Possibly Correct: <b>$totalPossible</b><br>");
! 198: $r->print("Total Parts In Course: <b>$totalParts</b></td></tr>\n\n");
1.2 bowersj2 199:
1.1 bowersj2 200:
1.5 ! bowersj2 201: $r->print("</table></body></html>");
1.1 bowersj2 202:
1.3 bowersj2 203: $navmap->untieHashes();
204:
1.1 bowersj2 205: return OK;
1.5 ! bowersj2 206: }
! 207:
! 208: # Pass this two refs to arrays for the start and end color, and a number
! 209: # from 0 to 1 for how much of the latter you want to mix in. It will
! 210: # return a string ready to show ("#FFC309");
! 211: sub mixColors {
! 212: my $start = shift;
! 213: my $end = shift;
! 214: my $ratio = shift;
! 215:
! 216: my $final = "";
! 217: my $a = $start->[0]; my $b = $end->[0];
! 218: my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
! 219: my $a = $start->[1]; my $b = $end->[1];
! 220: my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
! 221: my $a = $start->[2]; my $b = $end->[2];
! 222: my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
! 223:
! 224: my $final = sprintf "%2x%2x%2x", $mix1, $mix2, $mix3;
! 225: return "#" . $final;
1.1 bowersj2 226: }
227:
228: 1;
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