1: # The LearningOnline Network with CAPA
2: # Quick Student Grades Display
3: #
4: # $Id: lonquickgrades.pm,v 1.81 2011/03/26 20:04:15 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: 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: my $cangrade=&Apache::lonnet::allowed('mgr');
84: #
85: # Pick student
86: #
87: my $uname;
88: my $udom;
89: my $stdid;
90: if ($cangrade) {
91: if ($env{'form.uname'}) { $uname=$env{'form.uname'}; }
92: if ($env{'form.udom'}) { $udom=$env{'form.udom'}; }
93: if ($env{'form.id'}) { $stdid=$env{'form.id'}; }
94: if (($stdid) && ($udom)) {
95: $uname=(&Apache::lonnet::idget($udom,$stdid))[1];
96: }
97: if (($stdid) && (!$uname)) {
98: $r->print('<p><span class="LC_warning">'.&mt("Unknown Student/Employee ID: [_1]",$stdid).'</span></p>');
99: $stdid='';
100: }
101: $r->print('<form method="post" name="quickform" action="/adm/quickgrades">');
102: my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
103: &Apache::loncommon::selectstudent_link('quickform','uname','udom');
104: $r->print("<p>\n".&Apache::loncommon::studentbrowser_javascript()."\n");
105: $r->print(&mt('For User [_1] or Student/Employee ID [_2] at Domain [_3]'
106: ,'<input type="text" value="'.$uname.'" size="12" name="uname" />'
107: ,'<input type="text" value="'.$stdid.'" size="12" name="id" /> '
108: ,$chooseopt).'<br />'.
109: '<input type="submit" name="display" value="'.&mt('Update Display').'" /></p>');
110: if (($uname) && ($udom)) {
111: $r->print('<p>'.&mt('Full Name: [_1]',&Apache::loncommon::plainname($uname,$udom)).'</p>');
112: }
113: }
114: $r->rflush();
115:
116: my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=
117: &getData($showPoints,$uname,$udom);
118:
119: if ($showCategories) {
120: &outputCategories($r,$showPoints,$notshowTotals,
121: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
122: } else {
123: &outputTable($r,$showPoints,$notshowTotals,
124: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
125: }
126: if ($cangrade) { $r->print("\n</form>\n"); }
127: &endGradeScreen($r);
128: return OK;
129:
130: }
131:
132: sub startGradeScreen {
133: my ($r,$mode)=@_;
134:
135: my $showPoints =
136: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
137: my $notshowSPRSlink =
138: (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
139: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals')
140: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories'));
141: my $notshowTotals=
142: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
143: my $showCategories=
144: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories';
145:
146: my $allowed_to_view = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
147: my $allowed_to_edit = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
148:
149: if ($allowed_to_view) {
150: my @notes;
151: push(@notes,&mt('Students do not see total points.')) if ($notshowTotals);
152: push(@notes,&mt('Students do not see link to spreadsheet.')) if ($notshowSPRSlink);
153: push(@notes,&mt('Students will see points based on problem weights.')) if ($showPoints);
154: push(@notes,&mt('Students will see points based on categories.')) if ($showCategories);
155: push(@notes, &Apache::lonhtmlcommon::coursepreflink(&mt('Grade display settings'),'grading'));
156: $r->print(&Apache::loncommon::head_subbox(join(' ',@notes)));
157: }
158:
159:
160: $r->print("\n".'<ul class="LC_TabContentBigger" id="main">');
161: $r->print("\n".'<li'.($mode eq 'quick'?' class="active"':'').'><a href="/adm/quickgrades"><b> '.
162: ($showPoints?&mt('Individual Points Overview'):($showCategories?&mt('Grades Overview'):&mt('Completion Overview'))).
163: ' </b></a></li>');
164:
165: if (!($showPoints || $notshowSPRSlink) || ($allowed_to_view)) {
166: $r->print("\n".'<li'.($mode eq 'spreadsheet'?' class="active"':'').'><a href="/adm/'.($allowed_to_view?'classcalc':'studentcalc').'"><b>'.
167: &mt('Spreadsheet (Detailed)').'</b></a></li>');
168: }
169: if ($allowed_to_view) {
170: $r->print("\n".'<li'.($mode eq 'statistics'?' class="active"':'').'><a href="/adm/statistics"><b>'.
171: &mt('Statistics and Reports').'</b></a></li>');
172:
173: $r->print("\n".'<li'.($mode eq 'chart'?' class="active"':'').'><a href="/adm/statistics?reportSelected=student_assessment"><b>'.
174: &mt('Assessment Overview Chart').'</b></a></li>');
175:
176: }
177: if ($allowed_to_edit) {
178: $r->print("\n".'<li'.($mode eq 'grading'?' class="active"':'').'><a href="/adm/grades"><b> '.
179: &mt('Content Grading').' </b></a></li>');
180: if ($env{'form.symb'}) {
181: $r->print("\n".'<li'.($mode eq 'probgrading'?' class="active"':'').'><a href="/adm/grades?symb='.
182: &Apache::lonhtmlcommon::entity_encode($env{'form.symb'}).
183: '&command=gradingmenu"><b> '.
184: &mt('Problem Grading').' </b></a></li>');
185:
186: }
187: }
188: $r->print("\n".'</ul>'."\n");
189: $r->print('<div class="LC_Box" style="clear:both;margin:0;"><div id="maincoursedoc" style="margin:0 0;padding:0 0;"><div class="LC_ContentBox" id="mainCourseDocuments" style="display: block;">');
190: }
191:
192: sub endGradeScreen {
193: my ($r)=@_;
194: $r->print('</div></div></div>'.&Apache::loncommon::end_page());
195: }
196:
197:
198: sub getData {
199:
200: my ($showPoints,$uname,$udom)=@_;
201:
202: # Create the nav map
203: my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
204:
205: my $res = $navmap->firstResource(); # temp resource to access constants
206:
207: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
208: my $depth = 1;
209: $iterator->next(); # ignore first BEGIN_MAP
210: my $curRes = $iterator->next();
211:
212: # General overview of the following: Walk along the course resources.
213: # For every problem in the resource, tell its parent maps how many
214: # parts and how many parts correct it has. After that, each map will
215: # have a count of the total parts underneath it, correct and otherwise.
216: # After that, we will walk through the course again and read off
217: # maps in order, with their data.
218: # (If in the future people decide not to be cumulative, only add
219: # the counts to the parent map.)
220: # For convenience, "totalParts" is also "totalPoints" when we're looking
221: # at points; I can't come up with a variable name that makes sense
222: # equally for both cases.
223:
224: my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
225: my $totalAttempted = 0;
226: my $now = time();
227: my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
228:
229: # Pre-run: Count parts correct
230: while ( $depth > 0 ) {
231: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
232: if ($curRes == $iterator->END_MAP()) { $depth--; }
233:
234: if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
235: {
236: # Get number of correct, incorrect parts
237: my $parts = $curRes->parts();
238: my $partsRight = 0;
239: my $partsCount = 0;
240: my $partsAttempted = 0;
241: my $stack = $iterator->getStack();
242:
243: for my $part (@{$parts}) {
244: my $completionStatus = $curRes->getCompletionStatus($part);
245: my $dateStatus = $curRes->getDateStatus($part);
246:
247: if ($completionStatus == $curRes->EXCUSED()) {
248: next;
249: }
250: if ($showPoints) {
251: my $score = 0;
252: # If we're not telling status and the answer date isn't passed yet,
253: # it's an "attempted" point
254: if ((($curRes->problemstatus($part) eq 'no') ||
255: ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
256: ($dateStatus != $curRes->ANSWER_OPEN)) {
257: my $status = $curRes->simpleStatus($part);
258: if ($status == $curRes->ATTEMPTED) {
259: $partsAttempted += $curRes->weight($part);
260: $totalAttempted += $partsAttempted;
261: }
262: } else {
263: $score = &Apache::grades::compute_points($curRes->weight($part), $curRes->awarded($part));
264: }
265: $partsRight += $score;
266: $totalRight += $score;
267: $partsCount += $curRes->weight($part);
268:
269: if ($curRes->opendate($part) < $now) {
270: $totalPossible += $curRes->weight($part);
271: }
272: $totalParts += $curRes->weight($part);
273: } else {
274: my $status = $curRes->simpleStatus($part);
275: my $thisright = 0;
276: $partsCount++;
277: if ($status == $curRes->CORRECT ||
278: $status == $curRes->PARTIALLY_CORRECT ) {
279: $partsRight++;
280: $totalRight++;
281: $thisright = 1;
282: }
283:
284: if ($status == $curRes->ATTEMPTED) {
285: $partsAttempted++;
286: $totalAttempted++;
287: }
288:
289: my $dateStatus = $curRes->getDateStatus($part);
290: $totalParts++;
291: if ($curRes->opendate($part) < $now) {
292: $totalPossible++;
293: }
294: }
295: }
296:
297: if ($depth == 1) { # in top-level only
298: $topLevelParts += $partsCount;
299: $topLevelRight += $partsRight;
300: $topLevelAttempted += $partsAttempted;
301: }
302:
303: # Crawl down stack and record parts correct and total
304: for my $res (@{$stack}) {
305: if (ref($res) && $res->is_map()) {
306: if (!defined($res->{DATA}->{CHILD_PARTS})) {
307: $res->{DATA}->{CHILD_PARTS} = 0;
308: $res->{DATA}->{CHILD_CORRECT} = 0;
309: $res->{DATA}->{CHILD_ATTEMPTED} = 0;
310: }
311:
312: $res->{DATA}->{CHILD_PARTS} += $partsCount;
313: $res->{DATA}->{CHILD_CORRECT} += $partsRight;
314: $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
315: }
316: }
317: }
318: $curRes = $iterator->next();
319: }
320: return ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
321: }
322:
323: #
324: # Outputting everything.
325: #
326:
327: sub outputTable {
328:
329: my ($r,$showPoints,$notshowTotals,
330: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
331:
332: my @start = (255, 255, 192);
333: my @end = (0, 192, 0);
334:
335: my $indentString = ' ';
336:
337: # Second pass: Print the maps.
338: $r->print(&Apache::loncommon::start_data_table()
339: .&Apache::loncommon::start_data_table_header_row()
340: .'<th>'.&mt('Folder').'</th>');
341: my $title = &mt($showPoints ? "Points Scored" : "Done");
342: if ($totalAttempted) {
343: $title .= " / " . &mt("Attempted");
344: }
345: $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
346: .&Apache::loncommon::end_data_table_header_row());
347: #
348: # Output of folder scores
349: #
350:
351: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
352: my $depth = 1;
353: $iterator->next(); # ignore first BEGIN_MAP
354: my $curRes = $iterator->next();
355:
356: while ($depth > 0) {
357: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
358: if ($curRes == $iterator->END_MAP()) { $depth--; }
359:
360: if (ref($curRes) && $curRes->is_map()) {
361: my $title = $curRes->compTitle();
362:
363: my $correct = $curRes->{DATA}->{CHILD_CORRECT};
364: my $total = $curRes->{DATA}->{CHILD_PARTS};
365: my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
366:
367: if ($total > 0) {
368: my $ratio;
369: $ratio = $correct / $total;
370: my $color = &mixColors(\@start, \@end, $ratio);
371: $r->print(&Apache::loncommon::start_data_table_row()
372: .'<td style="background-color:'.$color.';">');
373:
374: my $thisIndent = '';
375: for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
376:
377: $r->print("$thisIndent$title</td>");
378: if ($totalAttempted) {
379: $r->print('<td valign="top">'
380: .$thisIndent
381: .'<span class="LC_nobreak">'
382: .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
383: .'</span></td>'
384: .&Apache::loncommon::end_data_table_row()
385: );
386: } else {
387: $r->print('<td valign="top">'
388: .$thisIndent
389: .'<span class="LC_nobreak">'
390: .$correct.($notshowTotals?'':' / '.$total)
391: .'</span></td>'
392: .&Apache::loncommon::end_data_table_row());
393: }
394: }
395: }
396:
397: $curRes = $iterator->next();
398: }
399:
400: # If there were any problems at the top level, print an extra "catchall"
401: if ($topLevelParts > 0) {
402: my $ratio = $topLevelRight / $topLevelParts;
403: my $color = &mixColors(\@start, \@end, $ratio);
404: $r->print(&Apache::loncommon::start_data_table_row()
405: .'<td style="background-color:'.$color.';">');
406: $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
407: $r->print("$topLevelRight / $topLevelParts</td>"
408: .&Apache::loncommon::end_data_table_row());
409: }
410:
411: #
412: # show totals (if applicable), close table
413: #
414: if ($showPoints) {
415: my $maxHelpLink = &Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
416:
417: $title = $showPoints ? "Points" : "Parts Done";
418: my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
419: $r->print(&Apache::loncommon::start_data_table_row()
420: .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
421: $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
422: $title = $showPoints ? "Points" : "Parts";
423: $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
424: .&Apache::loncommon::end_data_table_row());
425: }
426:
427: $r->print(&Apache::loncommon::end_data_table());
428: }
429:
430: #
431: # === Outputting category-based grades.
432: #
433: # $category{'order'}: output order of categories by id
434: # $category{'all'}: complete list of all categories
435: # $category{$id.'_name'}: display-name of category
436: #
437:
438: sub outputCategories {
439:
440: my ($r,$showPoints,$notshowTotals,
441: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
442: # Take care of storing and retrieving categories
443:
444: my $cangrade=&Apache::lonnet::allowed('mgr');
445:
446: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
447: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
448: my %categories=();
449: # Loading old categories
450: %categories=&Apache::lonnet::dump('grading_categories',$cdom,$cnum);
451: # Storing
452: if (($cangrade) && (($env{'form.storechanges'}) || ($env{'form.storemove'} ne '') || ($env{'form.cmd'} ne ''))) {
453: # Process the changes
454: %categories=&process_category_edits($r,$cangrade,%categories);
455: # Actually store
456: &Apache::lonnet::put('grading_categories',\%categories,$cdom,$cnum);
457: }
458: # new categories loaded now
459: &output_category_table($r,$cangrade,$navmap,%categories);
460: #
461: if ($cangrade) {
462: $r->print('<input type="hidden" name="storemove" value="" />'.
463: '<input type="hidden" name="cmd" value="" />'.
464: '<input type="submit" name="storechanges" value="'.&mt("Save changes to grading categories").'" />'.
465: '<script>function storecmd (cmd) { document.quickform.cmd.value=cmd; document.quickform.submit(); }</script>');
466: }
467: }
468:
469: #
470: # Process editing commands, update category hash
471: #
472:
473: sub process_category_edits {
474: my ($r,$cangrade,%categories)=@_;
475: unless ($cangrade) { return %categories; }
476: # First store everything
477: foreach my $id (split(/\,/,$categories{'order'})) {
478: # Set names, types, and weight (there is only one of each per category)
479: %categories=&set_category_name($cangrade,$id,$env{'form.name_'.$id},%categories);
480: %categories=&set_category_total($cangrade,$id,$env{'form.totaltype_'.$id},$env{'form.total_'.$id},%categories);
481: %categories=&set_category_weight($cangrade,$id,$env{'form.weight_'.$id},%categories);
482: %categories=&set_category_displayachieved($cangrade,$id,$env{'form.displayachieved_'.$id},%categories);
483: # Set values for category rules (before names may change)
484: %categories=&set_category_rules($cangrade,$id,%categories);
485: }
486:
487: # Now deal with commands
488: my $cmd=$env{'form.cmd'};
489: if ($cmd eq 'createnewcat') {
490: %categories=&make_new_category($r,$cangrade,undef,%categories);
491: } elsif ($cmd=~/^up\_(.+)$/) {
492: %categories=&move_up_category($1,$cangrade,%categories);
493: } elsif ($cmd=~/^down\_(.+)$/) {
494: %categories=&move_down_category($1,$cangrade,%categories);
495: } elsif ($cmd=~/^delcat\_(.+)$/) {
496: %categories=&del_category($1,$cangrade,%categories);
497: } elsif ($cmd=~/^addcont\_(.+)$/) {
498: %categories=&add_category_content($1,$cangrade,$env{'form.addcont_'.$1.'_symb'},%categories);
499: } elsif ($cmd=~/^delcont\_(.+)\_\_\_\_\_\_(.+)$/) {
500: %categories=&del_category_content($1,$cangrade,$2,%categories);
501: } elsif ($cmd=~/^newrule\_(.+)$/) {
502: %categories=&add_calculation_rule($1,$cangrade,':',%categories);
503: } elsif ($cmd=~/^delrule\_(.+)\_\_\_\_\_\_(.*)$/) {
504: %categories=&del_calculation_rule($1,$cangrade,$2,%categories);
505: }
506: # Move to a new position
507: my $moveid=$env{'form.storemove'};
508: if ($moveid) {
509: %categories=&move_category($moveid,$cangrade,$env{'form.newpos_'.$moveid},%categories);
510: }
511: return %categories;
512: }
513:
514: #
515: # Output the table
516: #
517:
518: sub output_category_table {
519: my ($r,$cangrade,$navmaps,%categories)=@_;
520: my $sum=0;
521: my $total=0;
522: $r->print(&Apache::loncommon::start_data_table());
523: #
524: &output_category_table_header($r,$cangrade);
525: #
526: my @order=split(/\,/,$categories{'order'});
527: #
528: my $maxpos=$#order;
529: for (my $i=0;$i<=$maxpos;$i++) {
530: my ($value,$weight)=&output_and_calc_category($r,$cangrade,$navmaps,$order[$i],$i,$maxpos,%categories);
531: $sum+=$value*$weight;
532: $total+=$weight;
533: }
534: #
535: &bottom_line_category($r,$cangrade,$sum,$total);
536: #
537: $r->print(&Apache::loncommon::end_data_table());
538: return $sum;
539: }
540:
541: sub output_category_table_header {
542: my ($r,$cangrade)=@_;
543: $r->print(&Apache::loncommon::start_data_table_header_row());
544: if ($cangrade) {
545: $r->print('<th colspan="2">'.&mt("Move").'</th><th>'.&mt('Action').'</th>');
546: }
547: $r->print('<th>'.&mt('Category').'</th>'.
548: '<th>'.&mt('Contents').'</th>'.
549: '<th>'.&mt('Total Points').'</th>'.
550: '<th>'.&mt('Calculation').'</th>'.
551: '<th>'.&mt('Relative Weight').'</th>'.
552: '<th>'.&mt('Achieved').'</th>');
553: $r->print(&Apache::loncommon::end_data_table_header_row());
554: }
555:
556:
557: #
558: # Output one category to table
559: #
560:
561: sub output_and_calc_category {
562: my ($r,$cangrade,$navmaps,$id,$currentpos,$maxpos,%categories)=@_;
563: my $value=0;
564: my $weight=0;
565: my $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
566: my %lt=&Apache::lonlocal::texthash(
567: 'up' => 'Move Up',
568: 'dw' => 'Move Down');
569: $r->print("\n".&Apache::loncommon::start_data_table_row());
570:
571: if ($cangrade) {
572: $r->print(<<ENDMOVE);
573: <td>
574: <div class="LC_docs_entry_move">
575: <a href='javascript:storecmd("up_$id");'>
576: <img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" />
577: </a>
578: </div>
579: <div class="LC_docs_entry_move">
580: <a href='javascript:storecmd("down_$id");'>
581: <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" />
582: </a>
583: </div>
584: </td>
585: ENDMOVE
586: $r->print("\n<td>\n<select name='newpos_$id' onchange='this.form.storemove.value=\"$id\";this.form.submit()'>");
587: for (my $i=0;$i<=$maxpos;$i++) {
588: if ($i==$currentpos) {
589: $r->print('<option value="" selected="selected">('.$i.')</option>');
590: } else {
591: $r->print('<option value="'.$i.'">'.$i.'</option>');
592: }
593: }
594: $r->print("\n</select>\n</td>\n");
595: $r->print('<td><a href="javascript:storecmd(\'delcat_'.$id.'\');">'.&mt('Delete').'</a></td>');
596: $r->print('<td><input type="text" name="name_'.$id.
597: '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_name'}).'" /></td>');
598: } else {
599: $r->print('<td>'.$categories{$id.'_name'}.'</td>');
600: }
601: # Content
602: $r->print('<td><ul>');
603: foreach my $contentid (split(/\,/,$categories{$id.'_content'})) {
604: $r->print('<li>');
605: $r->print(&Apache::lonnet::gettitle($contentid));
606: if ($cangrade) {
607: $r->print(' <a href="javascript:storecmd(\'delcont_'.$id.'______'.$contentid.'\');">'.&mt('Delete').'</a>');
608: }
609: $r->print('</li>');
610: }
611: $r->print('</ul>');
612: if ($cangrade) {
613: $r->print('<br />'.&mt('Add Problem or Sequence').'<br />'.
614: &Apache::lonstathelpers::problem_selector('.',undef,1,1,'addcont_'.$id.'_',1,'this.form.cmd.value="addcont_'.$id.'";this.form.submit();'));
615: }
616: $r->print('</td>');
617:
618: # Total
619: if ($cangrade) {
620: $r->print('<td>'.
621: '<select name="totaltype_'.$id.'">'.
622: '<option value="default"'.($categories{$id.'_totaltype'} eq 'default'?' selected="selected"':'').'>'.&mt('default').'</option>'.
623: '<option value="typein"'.($categories{$id.'_totaltype'} eq 'typein'?' selected="selected"':'').'>'.&mt('Type-in value').'</option>'.
624: '</select>'.
625: '<input type="text" size="4" name="total_'.$id.
626: '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_total'}).'" /></td>');
627: } else {
628: $r->print('<td>'.($categories{$id.'_totaltype'} eq 'default'?&mt('default'):$categories{$id.'_total'}).'</td>');
629: }
630:
631:
632: # Calculation
633: $r->print('<td><ul>');
634: foreach my $calcrule (split(/\,/,$categories{$id.'_calculations'})) {
635: $r->print('<li>');
636: my ($code,$value)=split(/\:/,$calcrule);
637: $r->print(&pretty_prt_rule($cangrade,$id,$code,$value));
638: if ($cangrade) {
639: $r->print(' <a href="javascript:storecmd(\'delrule_'.$id.'______'.$code.'\');">'.&mt('Delete').'</a>');
640: }
641: $r->print('</li>');
642: }
643: $r->print('</ul>');
644: if ($cangrade) {
645: $r->print('<br />'.&new_calc_rule_form($id));
646: }
647: $r->print('</td>');
648:
649: # Weight
650: if ($cangrade) {
651: $r->print('<td>'.
652: '<input type="text" size="4" name="weight_'.$id.
653: '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_weight'}).'" /></td>');
654: } else {
655: $r->print('<td>'.$categories{$id.'_weight'}.'</td>');
656: }
657: # Achieved
658: $r->print('<td>');
659: if ($cangrade) {
660: $r->print('<select name="displayachieved_'.$id.'">'.
661: '<option value="percent"'.($categories{$id.'_displayachieved'} eq 'percent'?' selected="selected"':'').'>'.&mt('percent').'</option>'.
662: '<option value="points"'.($categories{$id.'_displayachieved'} eq 'points'?' selected="selected"':'').'>'.&mt('points').'</option>'.
663: '</select>');
664: } else {
665: if ($categories{$id.'_displayachieved'} eq 'percent') {
666: $r->print(&mt('percent'));
667: } else {
668: $r->print(&mt('points'));
669: }
670: }
671: $r->print('</td>');
672:
673: return ($value,$weight);
674: }
675:
676: #
677: # Bottom line with grades
678: #
679:
680: sub bottom_line_category {
681: my ($r,$cangrade,$sum,$total)=@_;
682: $r->print(&Apache::loncommon::start_data_table_row());
683: if ($cangrade) {
684: $r->print('<td colspan="3"><a href="javascript:storecmd(\'createnewcat\');">'.&mt('Create New Category').'</a></td>');
685: }
686: $r->print('<td colspan="6">'.&mt('Current:').$sum.'<br />'.&mt('Total:').$total.'<br /></td>');
687: }
688:
689: #
690: # Make one new category
691: #
692:
693: sub make_new_category {
694: my ($r,$cangrade,$ordernum,%categories)=@_;
695: unless ($cangrade) { return %categories; }
696: # Generate new ID
697: my $id=time.'_'.$$.'_'.rand(10000);
698: # Add new ID to list of all IDs ever created in this course
699: $categories{'all'}.=','.$id;
700: $categories{'all'}=~s/^\,//;
701: # Add new ID to ordered list of displayed and evaluated categories
702: $categories{'order'}.=','.$id;
703: $categories{'order'}=~s/^\,//;
704: # Move it into desired space
705: if (defined($ordernum)) {
706: %categories=&move_category($id,$cangrade,$ordernum,%categories);
707: }
708: $categories{$id.'_weight'}=0;
709: $categories{$id.'_totaltype'}='default';
710: $categories{$id.'_displayachieved'}='percent';
711: return %categories;
712: }
713:
714:
715: # === Calculation Rule Editing
716:
717: sub category_rule_codes {
718: return &Apache::lonlocal::texthash(
719: 'droplow' => 'Drop N lowest grade assignments',
720: 'drophigh' => 'Drop N highest grade assignments',
721: 'capabove' => 'Cap percentage above N percent',
722: 'capbelow' => 'Cap percentage below N percent');
723: }
724:
725: sub pretty_prt_rule {
726: my ($cangrade,$id,$code,$value)=@_;
727: my $cid=$id.'_'.$code;
728: my %lt=&category_rule_codes();
729: my $ret='<span class="LC_nobreak">';
730: if ($cangrade) {
731: $ret.='<select name="sel_'.$cid.'">';
732: foreach my $calc (''=>'',sort(keys(%lt))) {
733: $ret.='<option value="'.$calc.'"'.($calc eq $code?' selected="selected"':'').' />'.$lt{$calc}.'</input>';
734: }
735: $ret.='</select> N=<input type="text" size="5" name="val_'.$cid.'" value="'.$value.'" /></span>';
736: } else {
737: $ret.=$lt{$code}.'; N='.$value;
738: }
739: $ret.='</span>';
740: return $ret;
741: }
742:
743: sub new_calc_rule_form {
744: my ($id)=@_;
745: return '<a href="javascript:storecmd(\'newrule_'.$id.'\');">'.&mt('New Calculation Rule').'</a>';
746: }
747:
748: #
749: # Add a calculation rule
750: #
751:
752: sub add_calculation_rule {
753: my ($id,$cangrade,$newcontent,%categories)=@_;
754: unless ($cangrade) { return %categories; }
755: my %newcontent=($newcontent => 1);
756: foreach my $current (split(/\,/,$categories{$id.'_calculations'})) {
757: $newcontent{$current}=1;
758: }
759: $categories{$id.'_calculations'}=join(',',sort(keys(%newcontent)));
760: return %categories;
761: }
762:
763: #
764: # Delete a calculation rule
765: #
766:
767: sub del_calculation_rule {
768: my ($id,$cangrade,$delcontent,%categories)=@_;
769: unless ($cangrade) { return %categories; }
770: my @newcontent=();
771: foreach my $current (split(/\,/,$categories{$id.'_calculations'})) {
772: unless ($current=~/^\Q$delcontent\E\:/) {
773: push(@newcontent,$current);
774: }
775: }
776: $categories{$id.'_calculations'}=join(',',@newcontent);
777: return %categories;
778: }
779:
780: sub set_category_rules {
781: my ($cangrade,$id,%categories)=@_;
782: unless ($cangrade) { return %categories; }
783: my %lt=&category_rule_codes();
784: my @newrules=();
785: foreach my $code ('',(keys(%lt))) {
786: if ($env{'form.sel_'.$id.'_'.$code}) {
787: push(@newrules,$env{'form.sel_'.$id.'_'.$code}.':'.$env{'form.val_'.$id.'_'.$code});
788: }
789: }
790: $categories{$id.'_calculations'}=join(',',sort(@newrules));
791: return %categories;
792: }
793:
794:
795: # === Category Editing
796:
797: #
798: # Add to category content
799: #
800:
801: sub add_category_content {
802: my ($id,$cangrade,$newcontent,%categories)=@_;
803: unless ($cangrade) { return %categories; }
804: my %newcontent=($newcontent => 1);
805: foreach my $current (split(/\,/,$categories{$id.'_content'})) {
806: $newcontent{$current}=1;
807: }
808: $categories{$id.'_content'}=join(',',sort(keys(%newcontent)));
809: return %categories;
810: }
811:
812: #
813: # Delete from category content
814: #
815:
816: sub del_category_content {
817: my ($id,$cangrade,$delcontent,%categories)=@_;
818: unless ($cangrade) { return %categories; }
819: my @newcontent=();
820: foreach my $current (split(/\,/,$categories{$id.'_content'})) {
821: unless ($current eq $delcontent) {
822: push(@newcontent,$current);
823: }
824: }
825: $categories{$id.'_content'}=join(',',@newcontent);
826: return %categories;
827: }
828:
829: #
830: # Delete category
831: #
832:
833: sub del_category {
834: my ($id,$cangrade,%categories)=@_;
835: unless ($cangrade) { return %categories; }
836: my @neworder=();
837: foreach my $currentid (split(/\,/,$categories{'order'})) {
838: unless ($currentid eq $id) {
839: push(@neworder,$currentid);
840: }
841: }
842: $categories{'order'}=join(',',@neworder);
843: return %categories;
844: }
845:
846: #
847: # Move category up
848: #
849:
850: sub move_up_category {
851: my ($id,$cangrade,%categories)=@_;
852: my $currentpos=¤t_pos_category($id,%categories);
853: if ($currentpos<1) { return %categories; }
854: return &move_category($id,$cangrade,$currentpos-1,%categories);
855: }
856:
857: #
858: # Move category down
859: #
860:
861: sub move_down_category {
862: my ($id,$cangrade,%categories)=@_;
863: my $currentpos=¤t_pos_category($id,%categories);
864: my @order=split(/\,/,$categories{'order'});
865: if ($currentpos>=$#order) { return %categories; }
866: return &move_category($id,$cangrade,$currentpos+1,%categories);
867: }
868:
869: #
870: # Move a category to a desired position n the display order
871: #
872:
873: sub move_category {
874: my ($id,$cangrade,$ordernum,%categories)=@_;
875: unless ($cangrade) { return %categories; }
876: my @order=split(/\,/,$categories{'order'});
877: # Where is the index currently?
878: my $currentpos=¤t_pos_category($id,%categories);
879: if (defined($currentpos)) {
880: if ($currentpos<$ordernum) {
881: # This is moving to a higher index
882: # ....X1234....
883: # ....1234X....
884: for (my $i=$currentpos;$i<$ordernum;$i++) {
885: $order[$i]=$order[$i+1];
886: }
887: $order[$ordernum]=$id;
888: }
889: if ($currentpos>$ordernum) {
890: # This is moving to a lower index
891: # ....1234X....
892: # ....X1234....
893: for (my $i=$currentpos;$i>$ordernum;$i--) {
894: $order[$i]=$order[$i-1];
895: }
896: $order[$ordernum]=$id;
897: }
898: }
899: $categories{'order'}=join(',',@order);
900: return %categories;
901: }
902:
903: #
904: # Find current postion of a category in the order
905: #
906:
907: sub current_pos_category {
908: my ($id,%categories)=@_;
909: my @order=split(/\,/,$categories{'order'});
910: for (my $i=0;$i<=$#order;$i++) {
911: if ($order[$i] eq $id) { return $i; }
912: }
913: # not found
914: return undef;
915: }
916:
917: #
918: # Set name of a category
919: #
920: sub set_category_name {
921: my ($cangrade,$id,$name,%categories)=@_;
922: unless ($cangrade) { return %categories; }
923: $categories{$id.'_name'}=$name;
924: return %categories;
925: }
926:
927: #
928: # Set total of a category
929: #
930: sub set_category_total {
931: my ($cangrade,$id,$totaltype,$total,%categories)=@_;
932: unless ($cangrade) { return %categories; }
933: if (($categories{$id.'_total'} eq '') && ($total=~/\d/)) {
934: $totaltype='typein';
935: }
936: $categories{$id.'_totaltype'}=$totaltype;
937: if ($totaltype eq 'default') {
938: $categories{$id.'_total'}='';
939: } else {
940: $total=~s/\D//gs;
941: unless ($total) { $total=0; }
942: $categories{$id.'_total'}=$total;
943: }
944: return %categories;
945: }
946:
947: sub set_category_weight {
948: my ($cangrade,$id,$weight,%categories)=@_;
949: unless ($cangrade) { return %categories; }
950: $weight=~s/\D//gs;
951: unless ($weight) { $weight=0; }
952: $categories{$id.'_weight'}=$weight;
953: return %categories;
954: }
955:
956: sub set_category_displayachieved {
957: my ($cangrade,$id,$value,%categories)=@_;
958: unless ($cangrade) { return %categories; }
959: unless (($value eq 'percent') || ($value eq 'points')) { $value='percent'; }
960: $categories{$id.'_displayachieved'}=$value;
961: return %categories;
962: }
963:
964:
965: #
966: # === end category-related
967: #
968: #
969: # Pass this two refs to arrays for the start and end color, and a number
970: # from 0 to 1 for how much of the latter you want to mix in. It will
971: # return a string ready to show ("#FFC309");
972:
973: sub mixColors {
974: my $start = shift;
975: my $end = shift;
976: my $ratio = shift;
977:
978: my ($a,$b);
979: my $final = "";
980: $a = $start->[0]; $b = $end->[0];
981: my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
982: $a = $start->[1]; $b = $end->[1];
983: my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
984: $a = $start->[2]; $b = $end->[2];
985: my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
986:
987: $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
988: return "#" . $final;
989: }
990:
991: 1;
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