1: # The LearningOnline Network with CAPA
2: # Quick Student Grades Display
3: #
4: # $Id: lonquickgrades.pm,v 1.54 2010/12/03 15:21:35 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: my $showCategories=
72: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories';
73:
74:
75: # Header
76: my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
77: my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
78: $r->print(&Apache::loncommon::start_page($title,undef,
79: {'bread_crumbs' => $brcrum})
80: );
81:
82: $r->print(&Apache::lonhtmlcommon::coursepreflink(&mt('Grade display settings'),'grading'));
83:
84: if (!$showPoints && !$notshowSPRSlink ) {
85: $r->print('<p>'
86: .&mt('This screen shows how many problems (or problem parts) you have completed'
87: .', and how many you have not yet done.'
88: .' You can also look at [_1]a detailed score sheet[_2].'
89: ,'<a href="/adm/studentcalc">','</a>')
90: .'</p>');
91: }
92:
93: $r->print('<p class="LC_info">'.&mt('This may take a few moments to display.').'</p>');
94:
95: $r->rflush();
96:
97: # my $uname='korte';
98: # my $udom='gerd';
99:
100: my $uname;
101: my $udom;
102:
103: my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=
104: &getData($showPoints,$uname,$udom);
105:
106: if ($showCategories) {
107: &outputCategories($r,$showPoints,$notshowTotals,
108: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
109: } else {
110: &outputTable($r,$showPoints,$notshowTotals,
111: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
112: }
113: return OK;
114:
115: }
116:
117: sub getData {
118:
119: my ($showPoints,$uname,$udom)=@_;
120:
121: &Apache::lonnet::logthis("About to call with $uname $udom");
122:
123: # Create the nav map
124: my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
125:
126: my $res = $navmap->firstResource(); # temp resource to access constants
127:
128: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
129: my $depth = 1;
130: $iterator->next(); # ignore first BEGIN_MAP
131: my $curRes = $iterator->next();
132:
133: # General overview of the following: Walk along the course resources.
134: # For every problem in the resource, tell its parent maps how many
135: # parts and how many parts correct it has. After that, each map will
136: # have a count of the total parts underneath it, correct and otherwise.
137: # After that, we will walk through the course again and read off
138: # maps in order, with their data.
139: # (If in the future people decide not to be cumulative, only add
140: # the counts to the parent map.)
141: # For convenience, "totalParts" is also "totalPoints" when we're looking
142: # at points; I can't come up with a variable name that makes sense
143: # equally for both cases.
144:
145: my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
146: my $totalAttempted = 0;
147: my $now = time();
148: my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
149:
150: # Pre-run: Count parts correct
151: while ( $depth > 0 ) {
152: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
153: if ($curRes == $iterator->END_MAP()) { $depth--; }
154:
155: if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
156: {
157: # Get number of correct, incorrect parts
158: my $parts = $curRes->parts();
159: my $partsRight = 0;
160: my $partsCount = 0;
161: my $partsAttempted = 0;
162: my $stack = $iterator->getStack();
163:
164: for my $part (@{$parts}) {
165: my $completionStatus = $curRes->getCompletionStatus($part);
166: my $dateStatus = $curRes->getDateStatus($part);
167:
168: if ($completionStatus == $curRes->EXCUSED()) {
169: next;
170: }
171: if ($showPoints) {
172: my $score = 0;
173: # If we're not telling status and the answer date isn't passed yet,
174: # it's an "attempted" point
175: if ((($curRes->problemstatus($part) eq 'no') ||
176: ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
177: ($dateStatus != $curRes->ANSWER_OPEN)) {
178: my $status = $curRes->simpleStatus($part);
179: if ($status == $curRes->ATTEMPTED) {
180: $partsAttempted += $curRes->weight($part);
181: $totalAttempted += $partsAttempted;
182: }
183: } else {
184: $score = &Apache::grades::compute_points($curRes->weight($part), $curRes->awarded($part));
185: }
186: $partsRight += $score;
187: $totalRight += $score;
188: $partsCount += $curRes->weight($part);
189:
190: if ($curRes->opendate($part) < $now) {
191: $totalPossible += $curRes->weight($part);
192: }
193: $totalParts += $curRes->weight($part);
194: } else {
195: my $status = $curRes->simpleStatus($part);
196: my $thisright = 0;
197: $partsCount++;
198: if ($status == $curRes->CORRECT ||
199: $status == $curRes->PARTIALLY_CORRECT ) {
200: $partsRight++;
201: $totalRight++;
202: $thisright = 1;
203: }
204:
205: if ($status == $curRes->ATTEMPTED) {
206: $partsAttempted++;
207: $totalAttempted++;
208: }
209:
210: my $dateStatus = $curRes->getDateStatus($part);
211: $totalParts++;
212: if ($curRes->opendate($part) < $now) {
213: $totalPossible++;
214: }
215: }
216: }
217:
218: if ($depth == 1) { # in top-level only
219: $topLevelParts += $partsCount;
220: $topLevelRight += $partsRight;
221: $topLevelAttempted += $partsAttempted;
222: }
223:
224: # Crawl down stack and record parts correct and total
225: for my $res (@{$stack}) {
226: if (ref($res) && $res->is_map()) {
227: if (!defined($res->{DATA}->{CHILD_PARTS})) {
228: $res->{DATA}->{CHILD_PARTS} = 0;
229: $res->{DATA}->{CHILD_CORRECT} = 0;
230: $res->{DATA}->{CHILD_ATTEMPTED} = 0;
231: }
232:
233: $res->{DATA}->{CHILD_PARTS} += $partsCount;
234: $res->{DATA}->{CHILD_CORRECT} += $partsRight;
235: $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
236: }
237: }
238: }
239: $curRes = $iterator->next();
240: }
241: return ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
242: }
243:
244: #
245: # Outputting everything.
246: #
247:
248: sub outputTable {
249:
250: my ($r,$showPoints,$notshowTotals,
251: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
252:
253: my @start = (255, 255, 192);
254: my @end = (0, 192, 0);
255:
256: my $indentString = ' ';
257:
258: # Second pass: Print the maps.
259: $r->print(&Apache::loncommon::start_data_table()
260: .&Apache::loncommon::start_data_table_header_row()
261: .'<th>'.&mt('Folder').'</th>');
262: my $title = &mt($showPoints ? "Points Scored" : "Done");
263: if ($totalAttempted) {
264: $title .= " / " . &mt("Attempted");
265: }
266: $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
267: .&Apache::loncommon::end_data_table_header_row());
268: #
269: # Output of folder scores
270: #
271:
272: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
273: my $depth = 1;
274: $iterator->next(); # ignore first BEGIN_MAP
275: my $curRes = $iterator->next();
276:
277: while ($depth > 0) {
278: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
279: if ($curRes == $iterator->END_MAP()) { $depth--; }
280:
281: if (ref($curRes) && $curRes->is_map()) {
282: my $title = $curRes->compTitle();
283:
284: my $correct = $curRes->{DATA}->{CHILD_CORRECT};
285: my $total = $curRes->{DATA}->{CHILD_PARTS};
286: my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
287:
288: if ($total > 0) {
289: my $ratio;
290: $ratio = $correct / $total;
291: my $color = &mixColors(\@start, \@end, $ratio);
292: $r->print(&Apache::loncommon::start_data_table_row()
293: .'<td style="background-color:'.$color.';">');
294:
295: my $thisIndent = '';
296: for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
297:
298: $r->print("$thisIndent$title</td>");
299: if ($totalAttempted) {
300: $r->print('<td valign="top">'
301: .$thisIndent
302: .'<span class="LC_nobreak">'
303: .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
304: .'</span></td>'
305: .&Apache::loncommon::end_data_table_row()
306: );
307: } else {
308: $r->print('<td valign="top">'
309: .$thisIndent
310: .'<span class="LC_nobreak">'
311: .$correct.($notshowTotals?'':' / '.$total)
312: .'</span></td>'
313: .&Apache::loncommon::end_data_table_row());
314: }
315: }
316: }
317:
318: $curRes = $iterator->next();
319: }
320:
321: # If there were any problems at the top level, print an extra "catchall"
322: if ($topLevelParts > 0) {
323: my $ratio = $topLevelRight / $topLevelParts;
324: my $color = mixColors(\@start, \@end, $ratio);
325: $r->print(&Apache::loncommon::start_data_table_row()
326: .'<td style="background-color:'.$color.';">');
327: $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
328: $r->print("$topLevelRight / $topLevelParts</td>"
329: .&Apache::loncommon::end_data_table_row());
330: }
331:
332: #
333: # show totals (if applicable), close table
334: #
335: if ($showPoints) {
336: my $maxHelpLink = Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
337:
338: $title = $showPoints ? "Points" : "Parts Done";
339: my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
340: $r->print(&Apache::loncommon::start_data_table_row()
341: .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
342: $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
343: $title = $showPoints ? "Points" : "Parts";
344: $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
345: .&Apache::loncommon::end_data_table_row());
346: }
347:
348: $r->print(&Apache::loncommon::end_data_table()
349: .&Apache::loncommon::end_page());
350:
351: }
352:
353: #
354: # Outputting category-based grades.
355: #
356:
357: sub outputCategories {
358:
359: my ($r,$showPoints,$notshowTotals,
360: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
361: }
362:
363: # Pass this two refs to arrays for the start and end color, and a number
364: # from 0 to 1 for how much of the latter you want to mix in. It will
365: # return a string ready to show ("#FFC309");
366:
367: sub mixColors {
368: my $start = shift;
369: my $end = shift;
370: my $ratio = shift;
371:
372: my ($a,$b);
373: my $final = "";
374: $a = $start->[0]; $b = $end->[0];
375: my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
376: $a = $start->[1]; $b = $end->[1];
377: my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
378: $a = $start->[2]; $b = $end->[2];
379: my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
380:
381: $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
382: return "#" . $final;
383: }
384:
385: 1;
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