1: # The LearningOnline Network with CAPA
2: # Quick Student Grades Display
3: #
4: # $Id: lonquickgrades.pm,v 1.74 2011/03/11 02:39:53 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: $r->print('<form method="post" name="quickform" action="/adm/quickgrades">');
98: my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
99: &Apache::loncommon::selectstudent_link('quickform','uname','udom');
100: $r->print("<p>\n".&Apache::loncommon::studentbrowser_javascript()."\n");
101: $r->print(&mt('For User [_1] or Student/Employee ID [_2] at Domain [_3]'
102: ,'<input type="text" value="'.$uname.'" size="12" name="uname" />'
103: ,'<input type="text" value="'.$stdid.'" size="12" name="id" /> '
104: ,$chooseopt).'<br />'.
105: '<input type="submit" name="display" value="'.&mt('Update Display').'" /></p>');
106: }
107: $r->rflush();
108:
109: my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=
110: &getData($showPoints,$uname,$udom);
111:
112: if ($showCategories) {
113: &outputCategories($r,$showPoints,$notshowTotals,
114: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
115: } else {
116: &outputTable($r,$showPoints,$notshowTotals,
117: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
118: }
119: if ($cangrade) { $r->print("\n</form>\n"); }
120: &endGradeScreen($r);
121: return OK;
122:
123: }
124:
125: sub startGradeScreen {
126: my ($r,$mode)=@_;
127:
128: my $showPoints =
129: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
130: my $notshowSPRSlink =
131: (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
132: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals')
133: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories'));
134: my $notshowTotals=
135: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
136: my $showCategories=
137: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories';
138:
139: my $allowed_to_view = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
140: my $allowed_to_edit = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
141:
142: if ($allowed_to_view) {
143: my @notes;
144: push(@notes,&mt('Students do not see total points.')) if ($notshowTotals);
145: push(@notes,&mt('Students do not see link to spreadsheet.')) if ($notshowSPRSlink);
146: push(@notes,&mt('Students will see points based on problem weights.')) if ($showPoints);
147: push(@notes,&mt('Students will see points based on categories.')) if ($showCategories);
148: push(@notes, &Apache::lonhtmlcommon::coursepreflink(&mt('Grade display settings'),'grading'));
149: $r->print(&Apache::loncommon::head_subbox(join(' ',@notes)));
150: }
151:
152:
153: $r->print("\n".'<ul class="LC_TabContentBigger" id="main">');
154: $r->print("\n".'<li'.($mode eq 'quick'?' class="active"':'').'><a href="/adm/quickgrades"><b> '.
155: ($showPoints?&mt('Individual Points Overview'):($showCategories?&mt('Grades Overview'):&mt('Completion Overview'))).
156: ' </b></a></li>');
157:
158: if (!($showPoints || $notshowSPRSlink) || ($allowed_to_view)) {
159: $r->print("\n".'<li'.($mode eq 'spreadsheet'?' class="active"':'').'><a href="/adm/'.($allowed_to_view?'classcalc':'studentcalc').'"><b>'.
160: &mt('Spreadsheet (Detailed)').'</b></a></li>');
161: }
162: if ($allowed_to_view) {
163: $r->print("\n".'<li'.($mode eq 'statistics'?' class="active"':'').'><a href="/adm/statistics"><b>'.
164: &mt('Statistics and Reports').'</b></a></li>');
165:
166: $r->print("\n".'<li'.($mode eq 'chart'?' class="active"':'').'><a href="/adm/statistics?reportSelected=student_assessment"><b>'.
167: &mt('Assessment Overview Chart').'</b></a></li>');
168:
169: }
170: if ($allowed_to_edit) {
171: $r->print("\n".'<li'.($mode eq 'grading'?' class="active"':'').'><a href="/adm/grades"><b> '.
172: &mt('Content Grading').' </b></a></li>');
173: if ($env{'form.symb'}) {
174: $r->print("\n".'<li'.($mode eq 'probgrading'?' class="active"':'').'><a href="/adm/grades?symb='.
175: &Apache::lonhtmlcommon::entity_encode($env{'form.symb'}).
176: '&command=gradingmenu"><b> '.
177: &mt('Problem Grading').' </b></a></li>');
178:
179: }
180: }
181: $r->print("\n".'</ul>'."\n");
182: $r->print('<div class="LC_Box" style="clear:both;margin:0;"><div id="maincoursedoc" style="margin:0 0;padding:0 0;"><div class="LC_ContentBox" id="mainCourseDocuments" style="display: block;">');
183: }
184:
185: sub endGradeScreen {
186: my ($r)=@_;
187: $r->print('</div></div></div>'.&Apache::loncommon::end_page());
188: }
189:
190:
191: sub getData {
192:
193: my ($showPoints,$uname,$udom)=@_;
194:
195: # Create the nav map
196: my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
197:
198: my $res = $navmap->firstResource(); # temp resource to access constants
199:
200: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
201: my $depth = 1;
202: $iterator->next(); # ignore first BEGIN_MAP
203: my $curRes = $iterator->next();
204:
205: # General overview of the following: Walk along the course resources.
206: # For every problem in the resource, tell its parent maps how many
207: # parts and how many parts correct it has. After that, each map will
208: # have a count of the total parts underneath it, correct and otherwise.
209: # After that, we will walk through the course again and read off
210: # maps in order, with their data.
211: # (If in the future people decide not to be cumulative, only add
212: # the counts to the parent map.)
213: # For convenience, "totalParts" is also "totalPoints" when we're looking
214: # at points; I can't come up with a variable name that makes sense
215: # equally for both cases.
216:
217: my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
218: my $totalAttempted = 0;
219: my $now = time();
220: my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
221:
222: # Pre-run: Count parts correct
223: while ( $depth > 0 ) {
224: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
225: if ($curRes == $iterator->END_MAP()) { $depth--; }
226:
227: if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
228: {
229: # Get number of correct, incorrect parts
230: my $parts = $curRes->parts();
231: my $partsRight = 0;
232: my $partsCount = 0;
233: my $partsAttempted = 0;
234: my $stack = $iterator->getStack();
235:
236: for my $part (@{$parts}) {
237: my $completionStatus = $curRes->getCompletionStatus($part);
238: my $dateStatus = $curRes->getDateStatus($part);
239:
240: if ($completionStatus == $curRes->EXCUSED()) {
241: next;
242: }
243: if ($showPoints) {
244: my $score = 0;
245: # If we're not telling status and the answer date isn't passed yet,
246: # it's an "attempted" point
247: if ((($curRes->problemstatus($part) eq 'no') ||
248: ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
249: ($dateStatus != $curRes->ANSWER_OPEN)) {
250: my $status = $curRes->simpleStatus($part);
251: if ($status == $curRes->ATTEMPTED) {
252: $partsAttempted += $curRes->weight($part);
253: $totalAttempted += $partsAttempted;
254: }
255: } else {
256: $score = &Apache::grades::compute_points($curRes->weight($part), $curRes->awarded($part));
257: }
258: $partsRight += $score;
259: $totalRight += $score;
260: $partsCount += $curRes->weight($part);
261:
262: if ($curRes->opendate($part) < $now) {
263: $totalPossible += $curRes->weight($part);
264: }
265: $totalParts += $curRes->weight($part);
266: } else {
267: my $status = $curRes->simpleStatus($part);
268: my $thisright = 0;
269: $partsCount++;
270: if ($status == $curRes->CORRECT ||
271: $status == $curRes->PARTIALLY_CORRECT ) {
272: $partsRight++;
273: $totalRight++;
274: $thisright = 1;
275: }
276:
277: if ($status == $curRes->ATTEMPTED) {
278: $partsAttempted++;
279: $totalAttempted++;
280: }
281:
282: my $dateStatus = $curRes->getDateStatus($part);
283: $totalParts++;
284: if ($curRes->opendate($part) < $now) {
285: $totalPossible++;
286: }
287: }
288: }
289:
290: if ($depth == 1) { # in top-level only
291: $topLevelParts += $partsCount;
292: $topLevelRight += $partsRight;
293: $topLevelAttempted += $partsAttempted;
294: }
295:
296: # Crawl down stack and record parts correct and total
297: for my $res (@{$stack}) {
298: if (ref($res) && $res->is_map()) {
299: if (!defined($res->{DATA}->{CHILD_PARTS})) {
300: $res->{DATA}->{CHILD_PARTS} = 0;
301: $res->{DATA}->{CHILD_CORRECT} = 0;
302: $res->{DATA}->{CHILD_ATTEMPTED} = 0;
303: }
304:
305: $res->{DATA}->{CHILD_PARTS} += $partsCount;
306: $res->{DATA}->{CHILD_CORRECT} += $partsRight;
307: $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
308: }
309: }
310: }
311: $curRes = $iterator->next();
312: }
313: return ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
314: }
315:
316: #
317: # Outputting everything.
318: #
319:
320: sub outputTable {
321:
322: my ($r,$showPoints,$notshowTotals,
323: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
324:
325: my @start = (255, 255, 192);
326: my @end = (0, 192, 0);
327:
328: my $indentString = ' ';
329:
330: # Second pass: Print the maps.
331: $r->print(&Apache::loncommon::start_data_table()
332: .&Apache::loncommon::start_data_table_header_row()
333: .'<th>'.&mt('Folder').'</th>');
334: my $title = &mt($showPoints ? "Points Scored" : "Done");
335: if ($totalAttempted) {
336: $title .= " / " . &mt("Attempted");
337: }
338: $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
339: .&Apache::loncommon::end_data_table_header_row());
340: #
341: # Output of folder scores
342: #
343:
344: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
345: my $depth = 1;
346: $iterator->next(); # ignore first BEGIN_MAP
347: my $curRes = $iterator->next();
348:
349: while ($depth > 0) {
350: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
351: if ($curRes == $iterator->END_MAP()) { $depth--; }
352:
353: if (ref($curRes) && $curRes->is_map()) {
354: my $title = $curRes->compTitle();
355:
356: my $correct = $curRes->{DATA}->{CHILD_CORRECT};
357: my $total = $curRes->{DATA}->{CHILD_PARTS};
358: my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
359:
360: if ($total > 0) {
361: my $ratio;
362: $ratio = $correct / $total;
363: my $color = &mixColors(\@start, \@end, $ratio);
364: $r->print(&Apache::loncommon::start_data_table_row()
365: .'<td style="background-color:'.$color.';">');
366:
367: my $thisIndent = '';
368: for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
369:
370: $r->print("$thisIndent$title</td>");
371: if ($totalAttempted) {
372: $r->print('<td valign="top">'
373: .$thisIndent
374: .'<span class="LC_nobreak">'
375: .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
376: .'</span></td>'
377: .&Apache::loncommon::end_data_table_row()
378: );
379: } else {
380: $r->print('<td valign="top">'
381: .$thisIndent
382: .'<span class="LC_nobreak">'
383: .$correct.($notshowTotals?'':' / '.$total)
384: .'</span></td>'
385: .&Apache::loncommon::end_data_table_row());
386: }
387: }
388: }
389:
390: $curRes = $iterator->next();
391: }
392:
393: # If there were any problems at the top level, print an extra "catchall"
394: if ($topLevelParts > 0) {
395: my $ratio = $topLevelRight / $topLevelParts;
396: my $color = &mixColors(\@start, \@end, $ratio);
397: $r->print(&Apache::loncommon::start_data_table_row()
398: .'<td style="background-color:'.$color.';">');
399: $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
400: $r->print("$topLevelRight / $topLevelParts</td>"
401: .&Apache::loncommon::end_data_table_row());
402: }
403:
404: #
405: # show totals (if applicable), close table
406: #
407: if ($showPoints) {
408: my $maxHelpLink = &Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
409:
410: $title = $showPoints ? "Points" : "Parts Done";
411: my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
412: $r->print(&Apache::loncommon::start_data_table_row()
413: .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
414: $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
415: $title = $showPoints ? "Points" : "Parts";
416: $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
417: .&Apache::loncommon::end_data_table_row());
418: }
419:
420: $r->print(&Apache::loncommon::end_data_table());
421: }
422:
423: #
424: # === Outputting category-based grades.
425: #
426: # $category{'order'}: output order of categories by id
427: # $category{'all'}: complete list of all categories
428: # $category{$id.'_name'}: display-name of category
429: #
430:
431: sub outputCategories {
432:
433: my ($r,$showPoints,$notshowTotals,
434: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
435: # Take care of storing and retrieving categories
436:
437: my $cangrade=&Apache::lonnet::allowed('mgr');
438:
439: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
440: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
441: my %categories=();
442: # Loading old categories
443: %categories=&Apache::lonnet::dump('grading_categories',$cdom,$cnum);
444: # Storing
445: if (($cangrade) && (($env{'form.storechanges'}) || ($env{'form.storemove'} ne '') || ($env{'form.cmd'} ne ''))) {
446: # Process the changes
447: %categories=&process_category_edits($r,$cangrade,%categories);
448: # Actually store
449: &Apache::lonnet::put('grading_categories',\%categories,$cdom,$cnum);
450: }
451: # new categories loaded now
452: &output_category_table($r,$cangrade,$navmap,%categories);
453: #
454: if ($cangrade) {
455: $r->print('<input type="hidden" name="storemove" value="" />'.
456: '<input type="hidden" name="cmd" value="" />'.
457: '<input type="submit" name="storechanges" value="'.&mt("Save changes to grading categories").'" />'.
458: '<script>function storecmd (cmd) { document.quickform.cmd.value=cmd; document.quickform.submit(); }</script>');
459: }
460: }
461:
462: #
463: # Process editing commands, update category hash
464: #
465:
466: sub process_category_edits {
467: my ($r,$cangrade,%categories)=@_;
468: unless ($cangrade) { return %categories; }
469: # First store everything
470: foreach my $id (split(/\,/,$categories{'order'})) {
471: %categories=&set_category_name($cangrade,$id,$env{'form.name_'.$id},%categories);
472: %categories=&set_category_total($cangrade,$id,$env{'form.totaltype_'.$id},$env{'form.total_'.$id},%categories);
473: %categories=&set_category_weight($cangrade,$id,$env{'form.weight_'.$id},%categories);
474: # More changes here
475: }
476:
477: # Now deal with commands
478: my $cmd=$env{'form.cmd'};
479: if ($cmd eq 'createnewcat') {
480: %categories=&make_new_category($r,$cangrade,undef,%categories);
481: } elsif ($cmd=~/^up\_(.+)$/) {
482: %categories=&move_up_category($1,$cangrade,%categories);
483: } elsif ($cmd=~/^down\_(.+)$/) {
484: %categories=&move_down_category($1,$cangrade,%categories);
485: } elsif ($cmd=~/^delcat\_(.+)$/) {
486: %categories=&del_category($1,$cangrade,%categories);
487: }
488: # Move to a new position
489: my $moveid=$env{'form.storemove'};
490: if ($moveid) {
491: %categories=&move_category($moveid,$cangrade,$env{'form.newpos_'.$moveid},%categories);
492: }
493: return %categories;
494: }
495:
496: #
497: # Output the table
498: #
499:
500: sub output_category_table {
501: my ($r,$cangrade,$navmaps,%categories)=@_;
502: my $sum=0;
503: my $total=0;
504: $r->print(&Apache::loncommon::start_data_table());
505: #
506: &output_category_table_header($r,$cangrade);
507: #
508: my @order=split(/\,/,$categories{'order'});
509: #
510: my $maxpos=$#order;
511: for (my $i=0;$i<=$maxpos;$i++) {
512: my ($value,$weight)=&output_and_calc_category($r,$cangrade,$navmaps,$order[$i],$i,$maxpos,%categories);
513: $sum+=$value*$weight;
514: $total+=$weight;
515: }
516: #
517: &bottom_line_category($r,$cangrade,$sum,$total);
518: #
519: $r->print(&Apache::loncommon::end_data_table());
520: return $sum;
521: }
522:
523: sub output_category_table_header {
524: my ($r,$cangrade)=@_;
525: $r->print(&Apache::loncommon::start_data_table_header_row());
526: if ($cangrade) {
527: $r->print('<th colspan="2">'.&mt("Move").'</th><th>'.&mt('Action').'</th>');
528: }
529: $r->print('<th>'.&mt('Category').'</th>'.
530: '<th>'.&mt('Contents').'</th>'.
531: '<th>'.&mt('Calculation').'</th>'.
532: '<th>'.&mt('Total Points').'</th>'.
533: '<th>'.&mt('Relative Weight').'</th>');
534: $r->print(&Apache::loncommon::end_data_table_header_row());
535: }
536:
537:
538: #
539: # Output one category to table
540: #
541:
542: sub output_and_calc_category {
543: my ($r,$cangrade,$navmaps,$id,$currentpos,$maxpos,%categories)=@_;
544: my $value=0;
545: my $weight=0;
546: my $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
547: my %lt=&Apache::lonlocal::texthash(
548: 'up' => 'Move Up',
549: 'dw' => 'Move Down');
550: $r->print("\n".&Apache::loncommon::start_data_table_row());
551:
552: if ($cangrade) {
553: $r->print(<<ENDMOVE);
554: <td>
555: <div class="LC_docs_entry_move">
556: <a href='javascript:storecmd("up_$id");'>
557: <img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" />
558: </a>
559: </div>
560: <div class="LC_docs_entry_move">
561: <a href='javascript:storecmd("down_$id");'>
562: <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" />
563: </a>
564: </div>
565: </td>
566: ENDMOVE
567: $r->print("\n<td>\n<select name='newpos_$id' onchange='this.form.storemove.value=\"$id\";this.form.submit()'>");
568: for (my $i=0;$i<=$maxpos;$i++) {
569: if ($i==$currentpos) {
570: $r->print('<option value="" selected="selected">('.$i.')</option>');
571: } else {
572: $r->print('<option value="'.$i.'">'.$i.'</option>');
573: }
574: }
575: $r->print("\n</select>\n</td>\n");
576: $r->print('<td><a href="javascript:storecmd(\'delcat_'.$id.'\');">'.&mt('Delete').'</a></td>');
577: $r->print('<td><input type="text" name="name_'.$id.
578: '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_name'}).'" /></td>');
579: } else {
580: $r->print('<td>'.$categories{$id.'_name'}.'</td>');
581: }
582: # Content
583: # FIXME: just placeholders
584: if ($cangrade) {
585: $r->print("<td>Content Edit</td>");
586: } else {
587: $r->print("<td>Content</td>");
588: }
589: # Calculation
590: # FIXME: just placeholders
591: if ($cangrade) {
592: $r->print("<td>Calculation Edit</td>");
593: } else {
594: $r->print("<td>Calculation</td>");
595: }
596: # Total
597: if ($cangrade) {
598: $r->print('<td>'.
599: '<select name="totaltype_'.$id.'">'.
600: '<option value="default"'.($categories{$id.'_totaltype'} eq 'default'?' selected="selected"':'').'>'.&mt('default').'</option>'.
601: '<option value="typein"'.($categories{$id.'_totaltype'} eq 'typein'?' selected="selected"':'').'>'.&mt('Type-in value').'</option>'.
602: '</select>'.
603: '<input type="text" size="4" name="total_'.$id.
604: '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_total'}).'" /></td>');
605: } else {
606: $r->print('<td>'.($categories{$id.'_totaltype'} eq 'default'?&mt('default'):$categories{$id.'_total'}).'</td>');
607: }
608: # Weight
609: if ($cangrade) {
610: $r->print('<td>'.
611: '<input type="text" size="4" name="weight_'.$id.
612: '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_weight'}).'" /></td>');
613: } else {
614: $r->print('<td>'.$categories{$id.'_weight'}.'</td>');
615: }
616:
617: return ($value,$weight);
618: }
619:
620: #
621: # Bottom line with grades
622: #
623:
624: sub bottom_line_category {
625: my ($r,$cangrade,$sum,$total)=@_;
626: $r->print(&Apache::loncommon::start_data_table_row());
627: if ($cangrade) {
628: $r->print('<td colspan="3"><a href="javascript:storecmd(\'createnewcat\');">'.&mt('Create New Category').'</a></td>');
629: }
630: $r->print('<td colspan="5">'.&mt('Current:').$sum.'<br />'.&mt('Total:').$total.'<br /></td>');
631: }
632:
633: #
634: # Make one new category
635: #
636:
637: sub make_new_category {
638: my ($r,$cangrade,$ordernum,%categories)=@_;
639: unless ($cangrade) { return %categories; }
640: # Generate new ID
641: my $id=time.'_'.$$.'_'.rand(10000);
642: # Add new ID to list of all IDs ever created in this course
643: $categories{'all'}.=','.$id;
644: $categories{'all'}=~s/^\,//;
645: # Add new ID to ordered list of displayed and evaluated categories
646: $categories{'order'}.=','.$id;
647: $categories{'order'}=~s/^\,//;
648: # Move it into desired space
649: if (defined($ordernum)) {
650: %categories=&move_category($id,$cangrade,$ordernum,%categories);
651: }
652: $categories{$id.'_weight'}=0;
653: $categories{$id.'_totaltype'}='default';
654: return %categories;
655: }
656:
657: #
658: # Delete category
659: #
660:
661: sub del_category {
662: my ($id,$cangrade,%categories)=@_;
663: my @neworder=();
664: foreach my $currentid (split(/\,/,$categories{'order'})) {
665: unless ($currentid eq $id) {
666: push(@neworder,$currentid);
667: }
668: }
669: $categories{'order'}=join(',',@neworder);
670: return %categories;
671: }
672:
673: #
674: # Move category up
675: #
676:
677: sub move_up_category {
678: my ($id,$cangrade,%categories)=@_;
679: my $currentpos=¤t_pos_category($id,%categories);
680: if ($currentpos<1) { return %categories; }
681: return &move_category($id,$cangrade,$currentpos-1,%categories);
682: }
683:
684: #
685: # Move category down
686: #
687:
688: sub move_down_category {
689: my ($id,$cangrade,%categories)=@_;
690: my $currentpos=¤t_pos_category($id,%categories);
691: my @order=split(/\,/,$categories{'order'});
692: if ($currentpos>=$#order) { return %categories; }
693: return &move_category($id,$cangrade,$currentpos+1,%categories);
694: }
695:
696: #
697: # Move a category to a desired position n the display order
698: #
699:
700: sub move_category {
701: my ($id,$cangrade,$ordernum,%categories)=@_;
702: unless ($cangrade) { return %categories; }
703: my @order=split(/\,/,$categories{'order'});
704: # Where is the index currently?
705: my $currentpos=¤t_pos_category($id,%categories);
706: if (defined($currentpos)) {
707: if ($currentpos<$ordernum) {
708: # This is moving to a higher index
709: # ....X1234....
710: # ....1234X....
711: for (my $i=$currentpos;$i<$ordernum;$i++) {
712: $order[$i]=$order[$i+1];
713: }
714: $order[$ordernum]=$id;
715: }
716: if ($currentpos>$ordernum) {
717: # This is moving to a lower index
718: # ....1234X....
719: # ....X1234....
720: for (my $i=$currentpos;$i>$ordernum;$i--) {
721: $order[$i]=$order[$i-1];
722: }
723: $order[$ordernum]=$id;
724: }
725: }
726: $categories{'order'}=join(',',@order);
727: return %categories;
728: }
729:
730: #
731: # Find current postion of a category in the order
732: #
733:
734: sub current_pos_category {
735: my ($id,%categories)=@_;
736: my @order=split(/\,/,$categories{'order'});
737: for (my $i=0;$i<=$#order;$i++) {
738: if ($order[$i] eq $id) { return $i; }
739: }
740: # not found
741: return undef;
742: }
743:
744: #
745: # Set name of a category
746: #
747: sub set_category_name {
748: my ($cangrade,$id,$name,%categories)=@_;
749: unless ($cangrade) { return %categories; }
750: $categories{$id.'_name'}=$name;
751: return %categories;
752: }
753:
754: #
755: # Set total of a category
756: #
757: sub set_category_total {
758: my ($cangrade,$id,$totaltype,$total,%categories)=@_;
759: unless ($cangrade) { return %categories; }
760: if (($categories{$id.'_total'} eq '') && ($total=~/\d/)) {
761: $totaltype='typein';
762: }
763: $categories{$id.'_totaltype'}=$totaltype;
764: if ($totaltype eq 'default') {
765: $categories{$id.'_total'}='';
766: } else {
767: $total=~s/\D//gs;
768: unless ($total) { $total=0; }
769: $categories{$id.'_total'}=$total;
770: }
771: return %categories;
772: }
773:
774: sub set_category_weight {
775: my ($cangrade,$id,$weight,%categories)=@_;
776: unless ($cangrade) { return %categories; }
777: $weight=~s/\D//gs;
778: unless ($weight) { $weight=0; }
779: $categories{$id.'_weight'}=$weight;
780: return %categories;
781: }
782:
783: #
784: # === end category-related
785: #
786: #
787: # Pass this two refs to arrays for the start and end color, and a number
788: # from 0 to 1 for how much of the latter you want to mix in. It will
789: # return a string ready to show ("#FFC309");
790:
791: sub mixColors {
792: my $start = shift;
793: my $end = shift;
794: my $ratio = shift;
795:
796: my ($a,$b);
797: my $final = "";
798: $a = $start->[0]; $b = $end->[0];
799: my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
800: $a = $start->[1]; $b = $end->[1];
801: my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
802: $a = $start->[2]; $b = $end->[2];
803: my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
804:
805: $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
806: return "#" . $final;
807: }
808:
809: 1;
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