1: # The LearningOnline Network with CAPA
2: # Quick Student Grades Display
3: #
4: # $Id: lonquickgrades.pm,v 1.60 2011/01/03 14:19:39 raeburn 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: my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
76: my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
77: $r->print(&Apache::loncommon::start_page($title,undef,
78: {'bread_crumbs' => $brcrum})
79: );
80:
81: &startGradeScreen($r,'quick');
82:
83: $r->rflush();
84:
85: # my $uname='korte';
86: # my $udom='gerd';
87:
88: my $uname;
89: my $udom;
90:
91: my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=
92: &getData($showPoints,$uname,$udom);
93:
94: if ($showCategories) {
95: &outputCategories($r,$showPoints,$notshowTotals,
96: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
97: } else {
98: &outputTable($r,$showPoints,$notshowTotals,
99: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
100: }
101: &endGradeScreen($r);
102: return OK;
103:
104: }
105:
106: sub startGradeScreen {
107: my ($r,$mode)=@_;
108:
109: my $showPoints =
110: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
111: my $notshowSPRSlink =
112: (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
113: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals')
114: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories'));
115: my $notshowTotals=
116: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
117: my $showCategories=
118: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories';
119:
120: my $allowed_to_view = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
121: my $allowed_to_edit = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
122:
123: if ($allowed_to_view) {
124: $r->print('<div class="LC_head_subbox">');
125: if ($notshowTotals) { $r->print (' '.&mt('Students do not see total points.').' '); }
126: if ($notshowSPRSlink){ $r->print (' '.&mt('Students do not see link to spreadsheet.').' '); }
127: if ($showPoints) { $r->print (' '.&mt('Students will see points based on problem weights.').' '); }
128: if ($showCategories) { $r->print (' '.&mt('Students will see points based on categories.').' '); }
129: $r->print(' '.&Apache::lonhtmlcommon::coursepreflink(&mt('Grade display settings'),'grading').'</div>');
130: }
131:
132:
133: $r->print("\n".'<ul class="LC_TabContentBigger" id="main">');
134: $r->print("\n".'<li'.($mode eq 'quick'?' class="active"':'').'><a href="/adm/quickgrades"><b> '.
135: ($showPoints?&mt('Points Overview'):($showCategories?&mt('Grades Overview'):&mt('Completion Overview'))).
136: ' </b></a></li>');
137:
138: if (!($showPoints || $notshowSPRSlink) || ($allowed_to_view)) {
139: $r->print("\n".'<li'.($mode eq 'spreadsheet'?' class="active"':'').'><a href="/adm/'.($allowed_to_view?'classcalc':'studentcalc').'"><b>'.
140: &mt('Spreadsheet (Detailed)').'</b></a></li>');
141: }
142: if ($allowed_to_view) {
143: $r->print("\n".'<li'.($mode eq 'chart'?' class="active"':'').'><a href="/adm/statistics?reportSelected=student_assessment"><b>'.
144: &mt('Assessment Overview Chart').'</b></a></li>');
145:
146: }
147: if ($allowed_to_edit) {
148: $r->print("\n".'<li'.($mode eq 'grading'?' class="active"':'').'><a href="/adm/grades"><b> '.
149: &mt('Problem Grading').' </b></a></li>');
150: }
151: $r->print("\n".'</ul>'."\n");
152: $r->print('<div class="LC_Box" style="clear:both;margin:0;"><div id="maincoursedoc" style="margin:0 0;padding:0 0;"><div class="LC_ContentBox" id="mainCourseDocuments" style="display: block;">');
153: }
154:
155: sub endGradeScreen {
156: my ($r)=@_;
157: $r->print('</div></div></div>');
158: }
159:
160:
161: sub getData {
162:
163: my ($showPoints,$uname,$udom)=@_;
164:
165: &Apache::lonnet::logthis("About to call with $uname $udom");
166:
167: # Create the nav map
168: my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
169:
170: my $res = $navmap->firstResource(); # temp resource to access constants
171:
172: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
173: my $depth = 1;
174: $iterator->next(); # ignore first BEGIN_MAP
175: my $curRes = $iterator->next();
176:
177: # General overview of the following: Walk along the course resources.
178: # For every problem in the resource, tell its parent maps how many
179: # parts and how many parts correct it has. After that, each map will
180: # have a count of the total parts underneath it, correct and otherwise.
181: # After that, we will walk through the course again and read off
182: # maps in order, with their data.
183: # (If in the future people decide not to be cumulative, only add
184: # the counts to the parent map.)
185: # For convenience, "totalParts" is also "totalPoints" when we're looking
186: # at points; I can't come up with a variable name that makes sense
187: # equally for both cases.
188:
189: my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
190: my $totalAttempted = 0;
191: my $now = time();
192: my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
193:
194: # Pre-run: Count parts correct
195: while ( $depth > 0 ) {
196: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
197: if ($curRes == $iterator->END_MAP()) { $depth--; }
198:
199: if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
200: {
201: # Get number of correct, incorrect parts
202: my $parts = $curRes->parts();
203: my $partsRight = 0;
204: my $partsCount = 0;
205: my $partsAttempted = 0;
206: my $stack = $iterator->getStack();
207:
208: for my $part (@{$parts}) {
209: my $completionStatus = $curRes->getCompletionStatus($part);
210: my $dateStatus = $curRes->getDateStatus($part);
211:
212: if ($completionStatus == $curRes->EXCUSED()) {
213: next;
214: }
215: if ($showPoints) {
216: my $score = 0;
217: # If we're not telling status and the answer date isn't passed yet,
218: # it's an "attempted" point
219: if ((($curRes->problemstatus($part) eq 'no') ||
220: ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
221: ($dateStatus != $curRes->ANSWER_OPEN)) {
222: my $status = $curRes->simpleStatus($part);
223: if ($status == $curRes->ATTEMPTED) {
224: $partsAttempted += $curRes->weight($part);
225: $totalAttempted += $partsAttempted;
226: }
227: } else {
228: $score = &Apache::grades::compute_points($curRes->weight($part), $curRes->awarded($part));
229: }
230: $partsRight += $score;
231: $totalRight += $score;
232: $partsCount += $curRes->weight($part);
233:
234: if ($curRes->opendate($part) < $now) {
235: $totalPossible += $curRes->weight($part);
236: }
237: $totalParts += $curRes->weight($part);
238: } else {
239: my $status = $curRes->simpleStatus($part);
240: my $thisright = 0;
241: $partsCount++;
242: if ($status == $curRes->CORRECT ||
243: $status == $curRes->PARTIALLY_CORRECT ) {
244: $partsRight++;
245: $totalRight++;
246: $thisright = 1;
247: }
248:
249: if ($status == $curRes->ATTEMPTED) {
250: $partsAttempted++;
251: $totalAttempted++;
252: }
253:
254: my $dateStatus = $curRes->getDateStatus($part);
255: $totalParts++;
256: if ($curRes->opendate($part) < $now) {
257: $totalPossible++;
258: }
259: }
260: }
261:
262: if ($depth == 1) { # in top-level only
263: $topLevelParts += $partsCount;
264: $topLevelRight += $partsRight;
265: $topLevelAttempted += $partsAttempted;
266: }
267:
268: # Crawl down stack and record parts correct and total
269: for my $res (@{$stack}) {
270: if (ref($res) && $res->is_map()) {
271: if (!defined($res->{DATA}->{CHILD_PARTS})) {
272: $res->{DATA}->{CHILD_PARTS} = 0;
273: $res->{DATA}->{CHILD_CORRECT} = 0;
274: $res->{DATA}->{CHILD_ATTEMPTED} = 0;
275: }
276:
277: $res->{DATA}->{CHILD_PARTS} += $partsCount;
278: $res->{DATA}->{CHILD_CORRECT} += $partsRight;
279: $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
280: }
281: }
282: }
283: $curRes = $iterator->next();
284: }
285: return ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
286: }
287:
288: #
289: # Outputting everything.
290: #
291:
292: sub outputTable {
293:
294: my ($r,$showPoints,$notshowTotals,
295: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
296:
297: my @start = (255, 255, 192);
298: my @end = (0, 192, 0);
299:
300: my $indentString = ' ';
301:
302: # Second pass: Print the maps.
303: $r->print(&Apache::loncommon::start_data_table()
304: .&Apache::loncommon::start_data_table_header_row()
305: .'<th>'.&mt('Folder').'</th>');
306: my $title = &mt($showPoints ? "Points Scored" : "Done");
307: if ($totalAttempted) {
308: $title .= " / " . &mt("Attempted");
309: }
310: $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
311: .&Apache::loncommon::end_data_table_header_row());
312: #
313: # Output of folder scores
314: #
315:
316: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
317: my $depth = 1;
318: $iterator->next(); # ignore first BEGIN_MAP
319: my $curRes = $iterator->next();
320:
321: while ($depth > 0) {
322: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
323: if ($curRes == $iterator->END_MAP()) { $depth--; }
324:
325: if (ref($curRes) && $curRes->is_map()) {
326: my $title = $curRes->compTitle();
327:
328: my $correct = $curRes->{DATA}->{CHILD_CORRECT};
329: my $total = $curRes->{DATA}->{CHILD_PARTS};
330: my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
331:
332: if ($total > 0) {
333: my $ratio;
334: $ratio = $correct / $total;
335: my $color = &mixColors(\@start, \@end, $ratio);
336: $r->print(&Apache::loncommon::start_data_table_row()
337: .'<td style="background-color:'.$color.';">');
338:
339: my $thisIndent = '';
340: for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
341:
342: $r->print("$thisIndent$title</td>");
343: if ($totalAttempted) {
344: $r->print('<td valign="top">'
345: .$thisIndent
346: .'<span class="LC_nobreak">'
347: .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
348: .'</span></td>'
349: .&Apache::loncommon::end_data_table_row()
350: );
351: } else {
352: $r->print('<td valign="top">'
353: .$thisIndent
354: .'<span class="LC_nobreak">'
355: .$correct.($notshowTotals?'':' / '.$total)
356: .'</span></td>'
357: .&Apache::loncommon::end_data_table_row());
358: }
359: }
360: }
361:
362: $curRes = $iterator->next();
363: }
364:
365: # If there were any problems at the top level, print an extra "catchall"
366: if ($topLevelParts > 0) {
367: my $ratio = $topLevelRight / $topLevelParts;
368: my $color = mixColors(\@start, \@end, $ratio);
369: $r->print(&Apache::loncommon::start_data_table_row()
370: .'<td style="background-color:'.$color.';">');
371: $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
372: $r->print("$topLevelRight / $topLevelParts</td>"
373: .&Apache::loncommon::end_data_table_row());
374: }
375:
376: #
377: # show totals (if applicable), close table
378: #
379: if ($showPoints) {
380: my $maxHelpLink = Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
381:
382: $title = $showPoints ? "Points" : "Parts Done";
383: my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
384: $r->print(&Apache::loncommon::start_data_table_row()
385: .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
386: $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
387: $title = $showPoints ? "Points" : "Parts";
388: $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
389: .&Apache::loncommon::end_data_table_row());
390: }
391:
392: $r->print(&Apache::loncommon::end_data_table()
393: .&Apache::loncommon::end_page());
394:
395: }
396:
397: #
398: # Outputting category-based grades.
399: #
400:
401: sub outputCategories {
402:
403: my ($r,$showPoints,$notshowTotals,
404: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
405: }
406:
407: # Pass this two refs to arrays for the start and end color, and a number
408: # from 0 to 1 for how much of the latter you want to mix in. It will
409: # return a string ready to show ("#FFC309");
410:
411: sub mixColors {
412: my $start = shift;
413: my $end = shift;
414: my $ratio = shift;
415:
416: my ($a,$b);
417: my $final = "";
418: $a = $start->[0]; $b = $end->[0];
419: my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
420: $a = $start->[1]; $b = $end->[1];
421: my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
422: $a = $start->[2]; $b = $end->[2];
423: my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
424:
425: $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
426: return "#" . $final;
427: }
428:
429: 1;
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