1: #
2: # $Id: lonwhatsnew.pm,v 1.66 2006/12/03 05:45:13 raeburn Exp $
3: #
4: # Copyright Michigan State University Board of Trustees
5: #
6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
7: #
8: # LON-CAPA is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or
11: # (at your option) any later version.
12: #
13: # LON-CAPA is distributed in the hope that it will be useful,
14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: # GNU General Public License for more details.
17: #
18: # You should have received a copy of the GNU General Public License
19: # along with LON-CAPA; if not, write to the Free Software
20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: #
22: # /home/httpd/html/adm/gpl.txt
23: #
24: # http://www.lon-capa.org/
25: #
26:
27:
28: package Apache::lonwhatsnew;
29:
30: use strict;
31: use lib qw(/home/httpd/lib/perl);
32: use Apache::lonnet;
33: use Apache::loncommon();
34: use Apache::lonhtmlcommon();
35: use Apache::lonlocal;
36: use Apache::loncoursedata();
37: use Apache::lonnavmaps();
38: use Apache::lonuserstate;
39: use Apache::Constants qw(:common :http);
40: use Time::Local;
41: use GDBM_File;
42: use lib '/home/httpd/lib/perl/';
43: use LONCAPA;
44:
45: #----------------------------
46: # handler
47: #
48: #----------------------------
49:
50: sub handler {
51: my $r = shift;
52: if ($r->header_only) {
53: &Apache::loncommon::content_type($r,'text/html');
54: $r->send_http_header;
55: return OK;
56: }
57: &Apache::loncommon::get_unprocessed_cgi(
58: $ENV{'QUERY_STRING'},['command','refpage']);
59:
60: my $command = $env{'form.command'};
61: my $refpage = $env{'form.refpage'};
62:
63: my %checkallowed = ( coursenormalmail => 1,
64: coursecritmail => 1, );
65: foreach my $perm_check (['whn','whatsnew',1],
66: ['pch','coursediscussion',1],
67: ['mgr','handgrading',1],
68: ['vgr','abovethreshold',1],
69: ['opa','haserrors',1],
70: ['mdc','versionchanges',0],
71: ) {
72: my ($perm,$key,$check_section) = @{ $perm_check };
73: my $scope = $env{'request.course.id'};
74: if (!($checkallowed{$key} = &Apache::lonnet::allowed($perm,$scope))) {
75: $scope .= '/'.$env{'request.course.sec'};
76: if ( $check_section ) {
77: $checkallowed{$key} = &Apache::lonnet::allowed($perm,$scope);
78: }
79: if ($checkallowed{$key}) {
80: $checkallowed{$key.'_section'} = $env{'request.course.sec'};
81: }
82: }
83: }
84:
85: if ( ! $env{'request.course.fn'} || ! $checkallowed{'whatsnew'}) {
86: # Not in a course, or no whn priv in course
87: $env{'user.error.msg'}="/adm/whatsnew::whn:0:0:Cannot display what's new page";
88: return HTTP_NOT_ACCEPTABLE;
89: }
90:
91: &Apache::loncommon::content_type($r,'text/html');
92: $r->send_http_header;
93:
94: $r->print(&display_header($command,\%checkallowed));
95:
96: &Apache::lonhtmlcommon::clear_breadcrumbs();
97: &Apache::lonhtmlcommon::add_breadcrumb
98: ({href=>'/adm/whatsnew',
99: text=>"Display Action Items"});
100: if (($command eq 'chgthreshold') && $checkallowed{'abovethreshold'}) {
101: &Apache::lonhtmlcommon::add_breadcrumb
102: ({href=>'/adm/whatsnew?command=chgthreshold&refpage='.$refpage,
103: text=>"Change thresholds"});
104: $r->print(&Apache::lonhtmlcommon::breadcrumbs
105: ("What's New?",#'Course_Action_Items_Thresholds'
106: ));
107: } elsif (($command eq 'chginterval') && $checkallowed{'versionchanges'} ) {
108: &Apache::lonhtmlcommon::add_breadcrumb
109: ({href=>'/adm/whatsnew?command=chginterval&refpage='.$refpage,
110: text=>"Change interval"});
111: $r->print(&Apache::lonhtmlcommon::breadcrumbs
112: ("What's New?",#'Course_Action_Items_Intervals'
113: ));
114: } elsif (($command eq 'chgdisc') && $checkallowed{'coursediscussion'}) {
115: &Apache::lonhtmlcommon::add_breadcrumb
116: ({href=>'/adm/whatsnew?command=chgdisc&refpage='.$refpage,
117: text=>"Change discussion display"});
118: $r->print(&Apache::lonhtmlcommon::breadcrumbs
119: ("What's New?",#'Course_Action_Items_Intervals'
120: ));
121: } elsif ($command eq 'courseinit') {
122: &Apache::lonhtmlcommon::add_breadcrumb
123: ({href=>'/adm/whatsnew?command=courseinit&refpage='.$refpage,
124: text=>"Course initialization preference"});
125: $r->print(&Apache::lonhtmlcommon::breadcrumbs
126: ("What's New?",#'Course_Action_Items_Initialization'
127: ));
128: } else {
129: $r->print(&Apache::lonhtmlcommon::breadcrumbs
130: ("What's New?",#'Course_Action_Items_Display'
131: ));
132: }
133: &display_main_box($r,$command,$refpage,\%checkallowed);
134: return OK;
135: }
136:
137: #------------------------------
138: # display_main_box
139: #
140: # Display all the elements within the main box
141: #------------------------------
142:
143: sub display_main_box {
144: my ($r,$command,$refpage,$checkallowed) = @_;
145: my $domain=&Apache::loncommon::determinedomain();
146: my $function = &Apache::loncommon::get_users_function();
147: my $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
148: my $lctype = lc(&Apache::loncommon::course_type());
149: $r->print('<table width="100%" border="0" cellpadding="5" cellspacing="0"><tr><td width="100%">');
150:
151: my %threshold_titles = &Apache::lonlocal::texthash (
152: av_attempts => 'Average number of attempts',
153: degdiff => 'Degree of difficulty',
154: numstudents => 'Total number of students with submissions',
155: );
156:
157: my %interval_titles = &Apache::lonlocal::texthash (
158: -1 => "since start of $lctype",
159: 2592000 => 'since last month',
160: 604800 => 'since last week',
161: 86400 => 'since yesterday',
162: );
163:
164: my %initpage = &Apache::lonlocal::texthash (
165: firstres => "first resource in the $lctype",
166: whatsnew => "what's new? page",
167: userpref => 'your general user preferences',
168: coursespecific => "specific setting for this $lctype",
169: );
170: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
171: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
172:
173: if (($command eq 'chgthreshold')
174: && $checkallowed->{'abovethreshold'}) {
175: &display_threshold_config($r,$refpage,$tabbg,\%threshold_titles,
176: $cdom,$crs);
177: } elsif (($command eq 'chginterval')
178: && $checkallowed->{'versionchanges'}) {
179: &display_interval_config($r,$refpage,\%interval_titles);
180: } elsif (($command eq 'chgdisc')
181: && $checkallowed->{'coursediscussion'}) {
182: &display_discussion_config($r,$refpage);
183: } elsif ($command eq 'courseinit') {
184: &courseinit_config($r,$refpage,\%initpage);
185: } else {
186: &display_actions_box($r,$tabbg,$command,$refpage,\%threshold_titles,
187: \%interval_titles,\%initpage,$cdom,$crs,$checkallowed);
188: }
189: my $end_page = &Apache::loncommon::end_page();
190: $r->print(<<END_OF_BLOCK);
191: </td>
192: </tr>
193: </table><br />
194: $end_page
195: END_OF_BLOCK
196: }
197:
198: #-------------------------------
199: # display_header
200: #
201: # Display the header information and set
202: # up the HTML
203: #-------------------------------
204:
205: sub display_header {
206: my ($command,$checkallowed) = @_;
207:
208: my $scripttag;
209: unless ($command eq 'chgthreshold' || $command eq 'chginterval') {
210: $scripttag = <<"END";
211: <script type="text/javascript">
212: function change_display(caller,change) {
213: caller.value = change;
214: document.visible.submit();
215: }
216:
217: function changeAll(change) {
218: END
219: foreach my $item (keys(%{$checkallowed})) {
220: if ($item =~ /_section$/) { next; }
221: if ($$checkallowed{$item}) {
222: $scripttag.='document.visible.display_'.$item.'.value=change'.
223: "\n";
224: }
225: }
226: $scripttag.='document.visible.submit();
227: }
228: </script>
229: ';
230: }
231: my $course_type=&Apache::loncommon::course_type();
232: return &Apache::loncommon::start_page($course_type.' Action Items',
233: $scripttag);
234: }
235:
236: #-------------------------------
237: # display_actions_box
238: #
239: # Display the action items
240: #
241: #-------------------------------
242:
243: sub display_actions_box {
244: my ($r,$tabbg,$command,$refpage,$threshold_titles,$interval_titles,
245: $initpage,$cdom,$crs,$checkallowed) = @_;
246: my $rowColor1 = "#ffffff";
247: my $rowColor2 = "#eeeeee";
248:
249: my $udom = $env{'user.domain'};
250: my $uname = $env{'user.name'};
251: my $cid = $env{'request.course.id'};
252: my $crstype = &Apache::loncommon::course_type();
253: my $lctype = lc($crstype);
254: my %stulabel = (
255: 'Course' => 'students',
256: 'Group' => 'members',
257: );
258: my %lt = &Apache::lonlocal::texthash(
259: 'yacc' => 'You are accessing an invalid course',
260: 'gtfr' => 'Go to first resource',
261: 'hial' => 'Hide all',
262: 'shal' => 'Show all',
263: );
264:
265: my %unread = ();
266: my %ungraded = ();
267: my %bombed = ();
268: my %triggered = ();
269: my %changed = ();
270: my @newmsgs = ();
271: my @critmsgs = ();
272: my @newdiscussions = ();
273: my @tograde = ();
274: my @bombs = ();
275: my @warnings = ();
276: my $msgcount = 0;
277: my $critmsgcount = 0;
278:
279: my %res_title = ();
280: my %show = ();
281: my $needitems = 0;
282: my $boxcount = 0;
283:
284: my $result;
285: if ($command eq 'newcourseinit') {
286: $result = &store_courseinit_setting($uname,$udom,$cid,$initpage);
287: }
288:
289: my %threshold = ();
290: my %pagedesc = &Apache::lonlocal::texthash (
291: firstres => 'First resource',
292: whatsnew => "What's New? page",
293: userpref => 'user preference',
294: coursespecific => $lctype.' only',
295: default => 'default',
296: );
297:
298: my ($initcontrol,$initdisp) = &curr_courseinit();
299: my $currinit = $pagedesc{$initdisp}.' ('.$pagedesc{$initcontrol}.')';
300:
301: unless ($cid) {
302: $r->print('<br /><b><center>'.$lt{'yacc'}.'</center></b><br /><br />');
303: return;
304: }
305:
306: if ($refpage eq 'start') {
307: if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
308: &GDBM_READER(),0640)) {
309: my $furl=$bighash{'first_url'};
310: untie(%bighash);
311: $r->print('<font size="+1"><a href="'.$furl.'">'.$lt{'gtfr'}.
312: '</a></font><br />');
313: }
314: }
315: $r->print(&mt('Page set to be displayed after you have selected a role in this '.$lctype).
316: '. <nobr>'.&mt('Currently: <i>[_1]</i>',$currinit).'. '.
317: &mt('<b>Change</b> for just <a href="/adm/whatsnew?command=courseinit&refpage=[_1]">this '.$lctype.'</a>',$refpage).' '.
318: &mt('or for all <a href="/adm/preferences?action=changecourseinit&refpage=[_1]">your courses</a>',$refpage).'</nobr><br /><hr />');
319:
320: if ($command eq 'reset') {
321: $result = &process_reset($cdom,$crs);
322: } elsif ($command eq 'update') {
323: $result = &process_update($uname,$udom,$threshold_titles);
324: } elsif ($command eq 'newinterval') {
325: $result = &store_interval_setting($uname,$udom,$cid,$interval_titles);
326: } elsif ($command eq 'newdiscconf') {
327: $result = &store_discussion_setting($uname,$udom,$cid);
328: }
329:
330: my $store_result=&store_display_settings($uname,$udom,$cid,$checkallowed);
331:
332: unless ($store_result eq 'ok') {
333: &Apache::lonnet::logthis('Error storing whatsnew settings: '.
334: $store_result.' for '.'user '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
335: $result .= &mt('Unable to store visibility settings due to [_1]',
336: $store_result);
337: }
338:
339: if ($result) {
340: $r->print($result.'<hr width="100%" />');
341: }
342: $r->rflush();
343:
344:
345: my %display_settings = &get_display_settings($uname,$udom,$cid);
346: my $timediff = $display_settings{$cid.':interval'};
347: unless (defined($timediff)) { $timediff = 604800; }
348: my $now = time;
349: my $interval = $$interval_titles{$timediff};
350: if ($timediff == -1) {
351: $timediff = time;
352: }
353: my $starttime = $now - $timediff;
354: my $countunread = $display_settings{$cid.':countunread'};
355: unless (defined($countunread)) {
356: $countunread = 'on';
357: }
358:
359: my %headings = &Apache::lonlocal::texthash(
360: coursediscussion => 'Unread '.$lctype.' discussion posts',
361: handgrading => 'Problems requiring handgrading',
362: haserrors => 'Problems with errors',
363: versionchanges => 'Resources in '.$lctype.' with version changes '.$interval,
364: coursenormalmail => 'New '.$lctype.' messages',
365: coursecritmail => 'New critical messages in '.$lctype,
366: );
367:
368: if ($$checkallowed{'abovethreshold'}) {
369: &get_curr_thresholds(\%threshold,$uname,$udom,$cid,$cdom,$crs);
370: }
371:
372: $headings{'abovethreshold'} =
373: &mt('Problems with av. attempts ≥ [_1] or deg. difficulty ≥ [_2] <br /> and total number of '.$stulabel{$crstype}.' with submissions ≥ [_3]',
374: $threshold{'av_attempts'},$threshold{'degdiff'},
375: $threshold{'numstudents'});
376:
377: my @actionorder = ('handgrading','haserrors','abovethreshold','versionchanges','coursediscussion','coursenormalmail','coursecritmail');
378:
379: foreach my $key (keys(%{$checkallowed})) {
380: if ($key =~ /_section$/) { next; }
381: $show{$key} = 0;
382: if ($$checkallowed{$key}) {
383: unless ($display_settings{$cid.':'.$key} eq 'hide') {
384: $show{$key} = 1;
385: }
386: }
387: }
388:
389: foreach my $item (@actionorder) {
390: unless ($item eq 'coursenormalmail' || $item eq 'coursecritmail') {
391: if ($show{$item}) {
392: $needitems = 1;
393: last;
394: }
395: }
396: }
397:
398: if ($needitems) {
399: &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\%changed,\@newdiscussions,\@tograde,\@bombs,\@warnings,$rowColor1,$rowColor2,\%threshold,$cdom,$crs,\%res_title,\%show,$starttime,$countunread);
400: }
401: if ($show{'coursenormalmail'}) {
402: $msgcount = &getnormalmail(\@newmsgs);
403: }
404: if ($show{'coursecritmail'}) {
405: $critmsgcount = &getcritmail(\@critmsgs);
406: }
407:
408: $r->print(qq|<a href="javascript:changeAll('hide');">$lt{'hial'}</a>
409: <a href="javascript:changeAll('show');">$lt{'shal'}</a>
410: <form method="post" name="visible" action="/adm/whatsnew">\n|);
411: foreach my $item (keys(%{$checkallowed})) {
412: if ($item =~ /_section$/) { next; }
413: if ($$checkallowed{$item}) {
414: $r->print('<input type="hidden" name="display_'.$item.'" />'."\n");
415: }
416: }
417:
418: $r->print('<input type="hidden" name="refpage" value="'.$refpage.'"></form><br /><table border="0" width="100%" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">');
419:
420: my $displayed = 0;
421: my $totalboxes = 0;
422: foreach my $key (keys(%{$checkallowed})) {
423: if ($key =~ /_section$/) { next; }
424: if ($key eq 'whatsnew' ) { next; } # whatsnew check creates no box
425: if ($$checkallowed{$key}) {
426: $totalboxes ++;
427: }
428: }
429: my $halfway = int($totalboxes/2) + $totalboxes%2;
430: foreach my $actionitem (@actionorder) {
431: if ($$checkallowed{$actionitem}) {
432: if ($displayed == $halfway) {
433: $r->print('</td><td width="6%"> </td><td align="left" valign="top" width="47%">');
434: }
435: &display_launcher($r,$actionitem,$refpage,$checkallowed,$tabbg,$rowColor1,$rowColor2,\%show,\%headings,\%res_title,\@tograde,\%ungraded,\@bombs,\%bombed,\%changed,\@warnings,\%triggered,\@newdiscussions,\%unread,$msgcount,\@newmsgs,$critmsgcount,\@critmsgs,$interval,$countunread);
436: $displayed ++;
437: }
438: }
439: $r->print('
440: </table>
441: </td>
442: </tr>
443: </table>
444: </td>
445: </tr>
446: </table>');
447: }
448:
449: #-------------------------------
450: # display_threshold_config
451: #
452: # Display the threshold setting screen
453: #
454: #-------------------------------
455:
456: sub display_threshold_config {
457: my ($r,$refpage,$tabbg,$threshold_titles,$cdom,$crs) = @_;
458: my $uname = $env{'user.name'};
459: my $udom = $env{'user.dom'};
460: my $cid = $env{'request.course.id'};
461: my %threshold = ();
462: my $rowColor1 = "#ffffff";
463: my $rowColor2 = "#eeeeee";
464: my $rowColor;
465:
466: my @thresholditems = ("av_attempts","degdiff","numstudents");
467: my %threshold_titles = &Apache::lonlocal::texthash(
468: av_attempts => 'Average number of attempts',
469: degdiff => 'Degree of difficulty',
470: numstudents => 'Total number of students with submissions',
471: );
472: &get_curr_thresholds(\%threshold,$uname,$udom,$cid,$cdom,$crs);
473:
474: $r->print('<br /><form name="thresholdform" method="post" action="/adm/whatsnew">
475: <table border="0" cellpadding="2" cellspacing="4">
476: <tr>
477: <td align="left" valign="top" width="45%">
478: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000">
479: <tr>
480: <td>
481: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000">
482: <tr>
483: <td bgcolor="#ffffff">
484: <table cellspacing="0" cellpadding="4" border="0">
485: <tr bgcolor="'.$tabbg.'">
486: <th>Threshold Name</th>
487: <th>Current value</th>
488: <th>Change?</th>
489: </tr>');
490: my $rowNum =0;
491: foreach my $type (@thresholditems) {
492: my $parameter = $env{'request.course.id'}.':threshold_'.$type;
493: # onchange is javascript to automatically check the 'Set' button.
494: my $onchange = 'onFocus="javascript:window.document.forms'.
495: "['thresholdform'].elements['".$parameter."_setparmval']".
496: '.checked=true;"';
497: if ($rowNum %2 == 1) {
498: $rowColor = $rowColor1;
499: } else {
500: $rowColor = $rowColor2;
501: }
502: $r->print('
503: <tr bgcolor="'.$rowColor.'">
504: <td>'.$threshold_titles{$type}.'</td>
505: <td>'.&Apache::lonhtmlcommon::textbox($parameter.'_value',
506: $threshold{$type},
507: 10,$onchange).'</td>
508: <td>'
509: .&Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
510: '</td>
511: </tr>');
512: $rowNum ++;
513: }
514: $r->print('</table></td></tr></table></td></tr></table>
515: <br /><input type="submit" name="threshold" value="Make changes" />
516: <input type="hidden" name="command" value="update" />
517: <input type="hidden" name="refpage" value="'.$refpage.'" />
518: </form>');
519: }
520:
521: #-------------------------------
522: # display_interval_config
523: #
524: # Display the interval setting screen
525: #
526: #-------------------------------
527:
528: sub display_interval_config {
529: my ($r,$refpage,$interval_titles) = @_;
530: my $lctype = lc(&Apache::loncommon::course_type());
531: my $current = &get_current($env{'user.name'},$env{'user.domain'},
532: $env{'request.course.id'},'interval');
533: $r->print('<br />'.&mt('Choose the time window to use for display of version changes for resources in the '.$lctype.'.'));
534: unless ($current eq '') {
535: $r->print(' '.&mt('Current value is [_1]','<b>'.
536: $$interval_titles{$current}.'</b>.'));
537: }
538: $r->print('<br /><br />
539: <form method="post" name="intervalswitch" action="/adm/whatsnew">
540: <input type="hidden" name="command" value="newinterval" />
541: <input type="hidden" name="refpage" value="'.$refpage.'" />
542: <select name="interval">
543: ');
544: foreach my $key (reverse sort ({$a cmp $b} (keys(%{$interval_titles})))) {
545: $r->print('<option value="'.$key.'">Version changes '.$$interval_titles{$key}.
546: '</option>'."\n");
547: }
548: $r->print('</select>
549: <input type="submit" name="display" value="'.
550: &mt('Change interval').'" /></form>');
551: return;
552: }
553:
554: #----------------------------------------------
555: # display_discussion_config
556: #
557: # Display the discussion display setting screen
558: #
559: #----------------------------------------------
560:
561: sub display_discussion_config {
562: my ($r,$refpage) = @_;
563: my $current = &get_current($env{'user.name'},$env{'user.domain'},
564: $env{'request.course.id'},'countunread');
565: if ($current eq '') {
566: $current = 'on';
567: }
568: my %opposite = (
569: 'on' => 'off',
570: 'off' => 'on',
571: );
572: $r->print('<script type="text/javascript">
573: function toggle_countunread(choice) {
574: if (choice == "unchanged") {
575: document.discussionswitch.command.value = "";
576: }
577: document.discussionswitch.submit();
578: }
579: </script>');
580: $r->print('<br />'.&mt('Choose whether or not to display a count of the number of new posts for each resource or bulletin board which has unread posts.').'<br />'.&mt('This can increase the time taken to gather data for the [_1] page by a few seconds.',"<i>What's New?</i>").' '.&mt('Currently set to [_1].','<b>'.$current.'</b>'));
581: $r->print('<br /><br />
582: <form method="post" name="discussionswitch" action="/adm/whatsnew">
583: <input type="hidden" name="command" value="newdiscconf" />
584: <input type="hidden" name="refpage" value="'.$refpage.'" />
585: <input type="hidden" name="countunread" value="'.$opposite{$current}.'" />
586: ');
587: $r->print('<br/>
588: <input type="button" name="display" value="'.
589: &mt('Change to [_1]',$opposite{$current}).'"
590: onclick="javascript:toggle_countunread('."'change'".')" />
591:  
592: <input type="button" name="nochange" value="'.
593: &mt("No change").'"
594: onclick="javascript:toggle_countunread('."'unchanged'".')" />
595: </form>');
596: return;
597: }
598:
599: #---------------------------------------------------
600: # courseinit_config
601: #
602: # Set page displayed when course loads after
603: # selecting a role in the course from the roles page.
604: #
605: #---------------------------------------------------
606:
607: sub courseinit_config {
608: my ($r,$refpage,$initpage) = @_;
609: my ($control,$current) = &curr_courseinit();
610: my @chgstate = ('userpref','coursespecific');
611: my @chgentry = ('firstres','whatsnew');
612: my $lctype = lc(&Apache::loncommon::course_type());
613: my %lt = &Apache::lonlocal::texthash(
614: 'chwp' => "Choose which page will be displayed when you enter this $lctype after selecting a role.",
615: 'cuva' => 'Current value is determined by',
616: 'anis' => 'and is set to display',
617: 'padc' => 'Page display controlled by',
618: 'chce' => 'Choose '.$lctype.' entry',
619: 'moce' => 'Modify '.$lctype.' entry',
620: );
621: $r->print(<<"END");
622: <br />$lt{'chwp'}
623: <br />$lt{'cuva'}: <b>
624: $$initpage{$control}</b> $lt{'anis'} <b>
625: $$initpage{$current}</b>.<br /><br />
626: <form method="post" name="courseinitswitch" action="/adm/whatsnew">
627: <input type="hidden" name="command" value="newcourseinit" />
628: <input type="hidden" name="refpage" value="$refpage" />
629: $lt{'padc'}:
630: END
631: foreach my $choice (@chgstate) {
632: my $chkstring;
633: if ($choice eq $control) {
634: $chkstring = ' checked="checked" ';
635: }
636: $r->print('<nobr><label><input type="radio" name="courseinit_control" value="'.
637: $choice.'"'.$chkstring.'/>'.$$initpage{$choice}.
638: ' </label></nobr>');
639: }
640: $r->print('<br /><br />'.&mt('If').' '.$$initpage{'coursespecific'}.
641: ' - <br />'.$lt{'chce'}.": \n");
642: foreach my $choice (@chgentry) {
643: my $chkstring;
644: if (($choice eq $current) && ($control eq 'coursespecific')) {
645: $chkstring = ' checked="checked" ';
646: }
647: $r->print('<nobr><label><input type="radio" name="courseinit_page" value="'.
648: $choice.'"'.$chkstring.'/>'.$$initpage{$choice}.
649: ' </label></nobr>');
650: }
651: $r->print('<br /><br /><input type="submit" name="display" value="'.
652: $lt{'moce'}.'" /></form>');
653: return;
654: }
655:
656: sub curr_courseinit {
657: my $current = &get_current($env{'user.name'},$env{'user.domain'},
658: $env{'request.course.id'},'courseinit');
659: my $control;
660: if ($current) {
661: $control = 'coursespecific';
662: } else {
663: $control = 'userpref';
664: my %userenv = &Apache::lonnet::get('environment',
665: ['course_init_display']);
666: if (exists($userenv{'course_init_display'})) {
667: $current = $userenv{'course_init_display'};
668: }
669: unless ($current) {
670: $current = 'whatsnew';
671: }
672: }
673: return ($control,$current);
674: }
675:
676: sub display_launcher {
677: my ($r,$action,$refpage,$checkallowed,$tabbg,$rowColor1,$rowColor2,$show,
678: $headings,$res_title,$tograde,$ungraded,$bombs,$bombed,$changed,
679: $warnings,$triggered,$newdiscussions,$unread,$msgcount,$newmsgs,
680: $critmsgcount,$critmsgs,$interval,$countunread) = @_;
681:
682: if ($$checkallowed{$action}) {
683: &start_box($r,$tabbg,$show,$headings,$action,$refpage,$action);
684: if ($$show{$action}) {
685: if ($action eq 'handgrading') { # UNGRADED ITEMS
686: &display_handgrade($r,$tograde,$rowColor1,$rowColor2,
687: $ungraded);
688: } elsif ($action eq 'haserrors') { # BOMBS
689: &display_haserrors($r,$bombs,$rowColor1,$rowColor2,$bombed,
690: $res_title);
691: } elsif ($action eq 'versionchanges') { # VERSION CHANGES
692: &display_versionchanges($r,$changed,$res_title,$rowColor1,
693: $rowColor2,$interval);
694:
695: } elsif ($action eq 'abovethreshold') { # DEGDIFF/AV. TRIES TRIGGERS
696: &display_abovethreshold($r,$refpage,$warnings,$triggered,
697: $res_title);
698: } elsif ($action eq 'coursediscussion') { # UNREAD COURSE DISCUSSION
699: &display_coursediscussion($r,$newdiscussions,$unread,
700: $countunread,$res_title,$rowColor1,$rowColor2);
701: } elsif ($action eq 'coursenormalmail') { # NORMAL MESSAGES
702: &display_coursenormalmail($r,$msgcount,$newmsgs,$rowColor1,
703: $rowColor2);
704: } elsif ($action eq 'coursecritmail') { # CRITICAL MESSAGES
705: &display_coursecritmail($r,$critmsgcount,$critmsgs,$rowColor1,
706: $rowColor2);
707: }
708: }
709: &end_box($r);
710: }
711: return;
712: }
713:
714: sub getitems {
715: my ($unread,$ungraded,$bombed,$triggered,$changed,$newdiscussions,
716: $tograde,$bombs,$warnings,$rowColor1,$rowColor2,$threshold,$cdom,$crs,
717: $res_title,$show,$starttime,$countunread) = @_;
718: my $navmap = Apache::lonnavmaps::navmap->new();
719: # force retrieve Resource to seed the part id cache we'll need it later
720: my @allres=$navmap->retrieveResources(undef,
721: sub {if ($_[0]->is_problem) { $_[0]->parts();} return 1;});
722: my %resourcetracker;
723: my $discussiontime;
724:
725: # Resource version changes
726: if ($$show{'versionchanges'}) {
727: &checkversions($cdom,$crs,$navmap,$changed,$starttime);
728: }
729:
730: if ($$show{'abovethreshold'}) {
731: %resourcetracker = &Apache::lonnet::dump('nohist_resourcetracker',
732: $cdom,$crs);
733: }
734:
735: foreach my $resource (@allres) {
736: my $result = '';
737: my $applies = 0;
738: my $symb = $resource->symb();
739: %{$$bombed{$symb}} = ();
740: %{$$ungraded{$symb}} = ();
741: %{$$triggered{$symb}} = ();
742: $$triggered{$symb}{numparts} = 0;
743: if ($resource->encrypted()) {
744: $$triggered{$symb}{'enclink'} = $resource->link();
745: $$triggered{$symb}{'encsymb'} = $resource->shown_symb();
746: }
747: my $title = $resource->compTitle();
748: $$res_title{$symb} = $title;
749: my $ressymb = $resource->wrap_symb();
750:
751: # Check if there are unread discussion postings
752: if ($$show{'coursediscussion'}) {
753: &check_discussions($resource,$symb,$ressymb,$title,
754: $newdiscussions,$unread,$countunread);
755: }
756:
757: # Check for ungraded problems
758: if ($resource->is_problem()) {
759: if ($$show{'handgrading'}) {
760: &check_handgraded($resource,$symb,$title,$cdom,$crs,$ungraded,
761: $tograde);
762: }
763: }
764:
765: # Check for bombs
766: if ($$show{'haserrors'}) {
767: &check_bombed($resource,$symb,$title,$bombs,$bombed);
768: }
769:
770: # Maxtries and degree of difficulty for problem parts, unless handgradeable
771: if ($$show{'abovethreshold'}) {
772: &check_thresholds($resource,$symb,\%resourcetracker,
773: $triggered,$threshold,$warnings);
774: }
775:
776: }
777: }
778:
779: sub check_discussions {
780: my ($resource,$symb,$ressymb,$title,$newdiscussions,$unread,
781: $countunread) = @_;
782:
783: if (!$resource->hasDiscussion()) { return; }
784:
785: %{$$unread{$ressymb}} = ();
786: $$unread{$ressymb}{'title'} = $title;
787: $$unread{$ressymb}{'symb'} = $symb;
788: if ($resource->encrypted()) {
789: $$unread{$ressymb}{'enclink'} = $resource->link();
790: $$unread{$ressymb}{'encsymb'} = $resource->shown_symb();
791: }
792: push(@{$newdiscussions}, $ressymb);
793:
794: $$unread{$ressymb}{'lastpost'} = $resource->last_post_time();
795:
796: if ($countunread eq 'on') {
797: $$unread{$ressymb}{'unreadcount'} = $resource->unread_discussion();
798: }
799: }
800:
801: sub check_handgraded {
802: my ($resource,$symb,$title,$cdom,$cnum,$ungraded,$tograde) = @_;
803: if ($resource->is_problem()) {
804: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
805: my $partlist=$resource->parts();
806: my $handgradeable;
807: foreach my $part (@$partlist) {
808: if ($resource->handgrade($part) eq 'yes') {
809: $handgradeable=1; last;
810: }
811: }
812: if ($handgradeable) {
813: my @ungraded = &Apache::bridgetask::get_queue_symb_status(
814: 'gradingqueue',$symb,$cdom,$cnum);
815: if (@ungraded > 0) {
816: $$ungraded{$symb}{count} = scalar(@ungraded);
817: $$ungraded{$symb}{title} = $title;
818: if ($resource->encrypted()) {
819: $$ungraded{$symb}{'enclink'} = $resource->link();
820: $$ungraded{$symb}{'encsymb'} = $resource->shown_symb();
821: }
822: push(@{$tograde},$symb);
823: }
824: }
825: }
826: }
827:
828: sub check_bombed {
829: my ($resource,$symb,$title,$bombs,$bombed) = @_;
830: if ($resource->getErrors()) {
831: my $errors = $resource->getErrors();
832: $errors =~ s/^,//;
833: my @bombs = split(/,/, $errors);
834: my $errorcount = scalar(@bombs);
835: my $errorlink = '<a href="/adm/email?display='.
836: &escape($bombs[0]).'">'.
837: $title.'</a>';
838: $$bombed{$symb}{errorcount} = $errorcount;
839: $$bombed{$symb}{errorlink} = $errorlink;
840: push(@{$bombs}, $symb);
841: }
842: }
843:
844: sub check_thresholds {
845: my ($resource,$symb,$resourcetracker,$triggered,$threshold,$warnings) = @_;
846: # Compile maxtries and degree of difficulty for problem parts, unless handgradeable
847: my @parts = @{$resource->parts()};
848: my %stats;
849: my %lastreset = ();
850: my $warning = 0;
851: my $rowColor;
852: foreach my $part (@parts) {
853: if ($resource->handgrade($part) eq 'yes') {
854: next;
855: }
856: if ($resource->is_survey($part)) {
857: next;
858: }
859: %{$stats{$part}} = ();
860: my ($attempts,$users,$corrects,$degdiff,$av_attempts);
861: if (exists($$resourcetracker{$symb."\0".$part."\0attempts"})) {
862: $attempts = $$resourcetracker{$symb."\0".$part."\0attempts"};
863: }
864: if (exists($$resourcetracker{$symb."\0".$part."\0users"})) {
865: $users = $$resourcetracker{$symb."\0".$part."\0users"};
866: }
867: if (exists($$resourcetracker{$symb."\0".$part."\0correct"})) {
868: $corrects = $$resourcetracker{$symb."\0".$part."\0correct"};
869: }
870: if ($attempts > 0) {
871: $degdiff = 1 - ($corrects/$attempts);
872: $degdiff = sprintf("%.2f",$degdiff);
873: }
874: if ($users > 0) {
875: $av_attempts = $attempts/$users;
876: $av_attempts = sprintf("%.2f",$av_attempts);
877: }
878: if ((($degdiff ne '' && $degdiff >= $$threshold{'degdiff'}) || ($av_attempts ne '' && $av_attempts >= $$threshold{'av_attempts'})) && ($users >= $$threshold{'numstudents'})) {
879: $stats{$part}{degdiff} = $degdiff;
880: $stats{$part}{attempts} = $av_attempts;
881: $stats{$part}{users} = $users;
882: $lastreset{$part} = $$resourcetracker{$symb."\0".$part."\0resettime"};
883: if ($lastreset{$part}) {
884: $lastreset{$part} = &Apache::lonnavmaps::timeToHumanString($lastreset{$part});
885: }
886: $warning = 1;
887: }
888: }
889: if ($warning) {
890: $$triggered{$symb}{title} = $resource->title;
891: my $partcount = 0;
892: @{$$triggered{$symb}{text}} = ();
893: foreach my $part (@parts) {
894: if (exists($stats{$part}{users})) {
895: my $resetname = 'reset_'.&escape($symb."\0".$part);
896: my $resettitle = 'title_'.&escape($symb."\0".$part);
897: if (@parts > 1) {
898: $$triggered{$symb}{text}[$partcount] = '
899: <td>part - '.$part.'</td>';
900: } else {
901: $$triggered{$symb}{text}[$partcount] = '
902: <td>single part</td>';
903: }
904: $$triggered{$symb}{text}[$partcount] .= '
905: <td>'.$stats{$part}{users}.'</td>
906: <td>'.$stats{$part}{attempts}.'</td>
907: <td>'.$stats{$part}{degdiff}.'</td>
908: <td>'.$lastreset{$part}.'</td>
909: <td><input type="checkbox" name="'.$resetname.'" /><input type="hidden" name="'.$resettitle.'" value="'.&escape($$triggered{$symb}{title}).'" /></td>';
910: $partcount ++;
911: }
912: $$triggered{$symb}{numparts} = $partcount;
913: }
914: push(@{$warnings},$symb);
915: }
916: }
917:
918:
919: sub get_curr_thresholds {
920: my ($threshold,$uname,$udom,$cid,$cdom,$crs) = @_;
921: # set default values
922: %$threshold = (av_attempts => 2,
923: degdiff => 0.5,
924: numstudents => 2
925: );
926: my %thresholdsettings = &Apache::lonnet::dump('nohist_whatsnew',$udom,
927: $uname,$cid.':threshold');
928: my $thresholdcount = 0;
929: my ($tmp) = %thresholdsettings;
930: unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
931: foreach my $item (keys %{$threshold}) {
932: if (exists($thresholdsettings{$cid.':threshold_'.$item})) {
933: $$threshold{$item} =
934: $thresholdsettings{$cid.':threshold_'.$item};
935: $thresholdcount ++;
936: }
937: }
938: }
939: if ($thresholdcount == 3) {
940: return;
941: }
942: my %coursesettings = &Apache::lonnet::dump('environment',
943: $cdom,$crs,'internal.threshold');
944: my ($temp) = %coursesettings;
945: unless ($temp =~ /^(con_lost|error|no_such_host)/i) {
946: foreach my $item (keys %{$threshold}) {
947: unless (exists($thresholdsettings{$cid.':threshold_'.$item})) {
948: if (exists($coursesettings{'internal.threshold_'.$item})) {
949: $$threshold{$item} =
950: $coursesettings{'internal.threshold_'.$item};
951: }
952: }
953: }
954: }
955: return;
956: }
957:
958: sub get_current {
959: my ($uname,$udom,$cid,$caller) = @_;
960: my $currvalue;
961: my %settings = &Apache::lonnet::dump('nohist_whatsnew',$udom,$uname,$cid.
962: ':'.$caller);
963: my ($tmp) = %settings;
964: unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
965: $currvalue = $settings{$cid.':'.$caller};
966: }
967: return $currvalue;
968: }
969:
970: sub process_reset {
971: my ($dom,$crs) = @_;
972: my $result = '<b>'.&mt('Counters reset for following problems (and parts):').
973: '</b><br />';
974: my @agg_types = ('attempts','users','correct');
975: my %agg_titles = &Apache::lonlocal::texthash (
976: attempts => 'Number of submissions',
977: users => 'Students with submissions',
978: correct => 'Number of correct submissions',
979: );
980: my @resets = ();
981: my %titles = ();
982: foreach my $key (keys(%env)) {
983: next if ($key !~ /^form\.reset_(.+)$/);
984: my $title = &unescape($env{'form.title_'.$1});
985: my $reset_item = &unescape($1);
986: my %curr_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
987: my %aggregates = ();
988: my ($symb,$part) = split(/\0/,$reset_item);
989: foreach my $type (@agg_types) {
990: $aggregates{$reset_item."\0".$type} = 0;
991: }
992: $aggregates{$reset_item."\0".'resettime'} = time;
993: my $putresult = &Apache::lonnet::put('nohist_resourcetracker',\%aggregates,
994: $dom,$crs);
995: if ($putresult eq 'ok') {
996: $result .= $title.' -part '.$part.': ';
997: my %new_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
998: foreach my $type (@agg_types) {
999: $result .= $agg_titles{$type}.' = '.$new_aggregates{$reset_item."\0".$type}.'; ';
1000: }
1001: $result =~ s/; $//;
1002: $result .= '<br />';
1003: } else {
1004: $result = $title.' -part '.$part.': '.&mt('Unable to reset counters to zero due to [_1]',$putresult).'.<br />'."\n";
1005: }
1006: }
1007: return $result;
1008: }
1009:
1010: sub process_update {
1011: my ($uname,$udom,$threshold_titles) = @_;
1012: my $setoutput = '<b>Changes to threshold(s) for problem tracking:</b><br />';
1013: foreach (keys %env) {
1014: next if ($_!~/^form\.(.+)\_setparmval$/);
1015: my $name = $1;
1016: my $value = $env{'form.'.$name.'_value'};
1017: if ($name && defined($value) && ($value ne '')) {
1018: my $put_result = &Apache::lonnet::put('nohist_whatsnew',
1019: {$name=>$value},$udom,$uname);
1020:
1021: my ($shortname) = ($name =~ /^\Q$env{'request.course.id'}\E:threshold_(.+)$/);
1022: if ($put_result eq 'ok') {
1023: $setoutput.=&mt('Set threshold for [_1] to [_2]',
1024: '<b>'.$$threshold_titles{$shortname}.'</b>',
1025: '<b>'.$value.'</b>').'<br />';
1026: } else {
1027: $setoutput.=&mt('Unable to set threshold for [_1] to [_2] due to [_3].',
1028: '<b>'.$name.'</b>','<b>'.$value.'</b>',
1029: '<tt>'.$put_result.'</tt>').'<br />';
1030: }
1031: }
1032: }
1033: return $setoutput;
1034: }
1035:
1036: sub getnormalmail {
1037: my ($newmsgs) = @_;
1038: # Check for unread mail in course
1039: my $msgcount = 0;
1040:
1041: my @messages = sort(&Apache::lonnet::getkeys('nohist_email'));
1042: foreach my $message (@messages) {
1043: my $msgid=&escape($message);
1044: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
1045: &Apache::lonmsg::unpackmsgid($msgid);
1046: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
1047: if (defined($sendtime) && $sendtime!~/error/) {
1048: my $numsendtime = $sendtime;
1049: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
1050: if ($status eq 'new') {
1051: $msgcount ++;
1052: if ($shortsubj eq '') {
1053: $shortsubj = &mt('No subject');
1054: }
1055: push(@{$newmsgs}, {
1056: msgid => $msgid,
1057: sendtime => $sendtime,
1058: shortsub => $shortsubj,
1059: from => $fromname,
1060: fromdom => $fromdom
1061: });
1062: }
1063: }
1064: }
1065: }
1066: return $msgcount;
1067: }
1068:
1069: sub getcritmail {
1070: my ($critmsgs) = @_;
1071: # Check for critical messages in course
1072: my %what=&Apache::lonnet::dump('critical');
1073: my $result = '';
1074: my $critmsgcount = 0;
1075: foreach my $msgid (sort(keys(%what))) {
1076: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
1077: &Apache::lonmsg::unpackmsgid($msgid);
1078: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
1079: if (defined($sendtime) && $sendtime!~/error/) {
1080: my $numsendtime = $sendtime;
1081: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
1082: $critmsgcount ++;
1083: if ($shortsubj eq '') {
1084: $shortsubj = &mt('No subject');
1085: }
1086: push(@{$critmsgs}, {
1087: msgid => $msgid,
1088: sendtime => $sendtime,
1089: shortsub => $shortsubj,
1090: from => $fromname,
1091: fromdom => $fromdom
1092: });
1093: }
1094: }
1095: }
1096: return $critmsgcount;
1097: }
1098:
1099:
1100: sub checkversions {
1101: my ($cdom,$crs,$navmap,$changed,$starttime) = @_;
1102: my %changes=&Apache::lonnet::dump('versionupdate',$cdom,$crs);
1103: my ($tmp) = keys(%changes);
1104: unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1105: if (keys(%changes) > 0) {
1106: foreach my $key (sort(keys(%changes))) {
1107: if ($changes{$key} > $starttime) {
1108: my $version;
1109: my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
1110: my $currentversion=&Apache::lonnet::getversion($key);
1111: my $revdate =
1112: &Apache::lonnet::metadata($root.'.'.$extension,
1113: 'lastrevisiondate');
1114: $revdate = &Apache::lonlocal::locallocaltime($revdate);
1115: my $linkurl=&Apache::lonnet::clutter($key);
1116: my $usedversion=$navmap->usedVersion('version_'.$linkurl);
1117: my @resources = $navmap->getResourceByUrl($linkurl,1);
1118: if (($usedversion) && ($usedversion ne 'mostrecent')) {
1119: $version = $usedversion;
1120: } else {
1121: $version = $currentversion;
1122: }
1123: foreach my $res (@resources) {
1124: if (ref($res) eq 'Apache::lonnavmaps::resource') {
1125: my $symb = $res->symb();
1126: %{$$changed{$symb}} = (
1127: current => $currentversion,
1128: version => $version,
1129: revdate => $revdate,
1130: );
1131: }
1132: }
1133: }
1134: }
1135: }
1136: }
1137: return;
1138: }
1139:
1140: sub display_handgrade {
1141: my ($r,$tograde,$rowColor1,$rowColor2,$ungraded) = @_;
1142: my $rowColor;
1143: my %lt = &Apache::lonlocal::texthash(
1144: 'prna' => 'Problem Name',
1145: 'nmun' => 'Number ungraded',
1146: 'nopr' => 'No problems require handgrading',
1147: );
1148: if (@{$tograde} > 0) {
1149: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'prna'}.'</small></b></td><td align="right"><b><small>'.$lt{'nmun'}.'</small></b></td></tr>');
1150: my $rowNum = 0;
1151: foreach my $res (@{$tograde}) {
1152: if ($rowNum %2 == 1) {
1153: $rowColor = $rowColor1;
1154: } else {
1155: $rowColor = $rowColor2;
1156: }
1157: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
1158: my $linkurl=&Apache::lonnet::clutter($url);
1159: $linkurl .= '?symb='.&escape($res);
1160: if ($$ungraded{$res}{'enclink'}) {
1161: $linkurl =
1162: $$ungraded{$res}{'enclink'}.'?symb='.$$ungraded{$res}{'encsymb'};
1163: }
1164: $r->print('<tr bgcolor="'.$rowColor.'"><td><a href="'.$linkurl.'"><small>'.$$ungraded{$res}{title}.'</small></a></td><td align="right"><small>'.$$ungraded{$res}{count}.'</small></td></tr>');
1165: $rowNum ++;
1166: }
1167: } else {
1168: $r->print('<tr><td bgcolor="#ffffff"><br><center><i><b><small> '.$lt{'nopr'}.' </small><br><br></b></i></td></tr>');
1169: }
1170: }
1171:
1172: sub display_haserrors {
1173: my ($r,$bombs,$rowColor1,$rowColor2,$bombed,$res_title) = @_;
1174: my $bombnum = 0;
1175: my $rowColor;
1176: my %lt = &Apache::lonlocal::texthash(
1177: reso => 'Resource',
1178: nmer => 'Number of errors',
1179: noer => 'No problems with errors',
1180: );
1181: if (@{$bombs} > 0) {
1182: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td align="right"><b><small>'.$lt{'nmer'}.'</small></b></td></tr>');
1183: @{$bombs} = sort { &cmp_title($a,$b,$res_title) } @{$bombs};
1184: foreach my $bomb (@{$bombs}) {
1185: if ($bombnum %2 == 1) {
1186: $rowColor = $rowColor1;
1187: } else {
1188: $rowColor = $rowColor2;
1189: }
1190: $r->print('<tr bgcolor="'.$rowColor.'"><td><small>'.$$bombed{$bomb}{errorlink}.'</small></td><td align="right"><small>'.$$bombed{$bomb}{errorcount}.'</small></td></tr>');
1191: $bombnum ++;
1192: }
1193: } else {
1194: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'noer'}.'</small></i></b></center><br /></td></tr>');
1195: }
1196: return;
1197: }
1198:
1199: sub display_abovethreshold {
1200: my ($r,$refpage,$warnings,$triggered,$res_title) = @_;
1201: my %lt = &Apache::lonlocal::texthash(
1202: reso => 'Resource',
1203: part => 'Part',
1204: nust => 'Num. students',
1205: avat => 'Av. Attempts',
1206: dedi => 'Deg. Diff',
1207: lare => 'Last Reset',
1208: reco => 'Reset Count?',
1209: rese => 'Reset counters to 0',
1210: nopr => 'No problems satisfy threshold criteria',
1211: );
1212: if (@{$warnings} > 0) {
1213: @{$warnings} = sort { &cmp_title($a,$b,$res_title) } @{$warnings};
1214: $r->print('<form name="reset_tracking" method="post" action="/adm/whatsnew">'.
1215: ' <input type="hidden" name="command" value="reset" />'."\n".
1216: ' <input type="hidden" name="refpage" value="'.$refpage.'" />'.
1217: "\n");
1218: $r->print('<tr class="LC_info_row">'.
1219: '<td class="LC_first_item">'.$lt{'reso'}.'</td>'.
1220: '<td>'.$lt{'part'}.'</td><td>'.$lt{'nust'}.'</td>'.
1221: '<td>'.$lt{'avat'}.'</td><td>'.$lt{'dedi'}.'</td>'.
1222: '<td>'.$lt{'lare'}.'</td><td>'.$lt{'reco'}.'</td></tr>');
1223: my $row;
1224: foreach my $res (@{$warnings}) {
1225: $row++;
1226: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
1227: my $linkurl=&Apache::lonnet::clutter($url);
1228: my $rowspan;
1229: if ($$triggered{$res}{numparts} > 1) {
1230: $rowspan = 'rowspan="'.$$triggered{$res}{numparts}.'"';
1231: }
1232: $linkurl .= '?symb='.&escape($res);
1233: if ($$triggered{$res}{'enclink'}) {
1234: $linkurl =
1235: $$triggered{$res}{'enclink'}.'?symb='.$$triggered{$res}{'encsymb'};
1236: }
1237: my $css_class = $row%2?'LC_odd_row':'';
1238: $r->print('<tr class="'.$css_class.'">'.
1239: '<td class="LC_first_item" '.$rowspan.'><a href="'.$linkurl.'">'.
1240: $$triggered{$res}{title}.'</a></td>');
1241: if (ref($$triggered{$res}{text}) eq 'ARRAY') {
1242: $r->print($$triggered{$res}{text}[0]);
1243: }
1244: $r->print('</tr>');
1245: if (ref($$triggered{$res}{text}) eq 'ARRAY') {
1246: if (@{$$triggered{$res}{text}} > 1) {
1247: for (my $i=1; $i<@{$$triggered{$res}{text}}; $i++) {
1248: $r->print('<tr class="'.$css_class.'">'.
1249: $$triggered{$res}{text}[$i].'</tr>');
1250: }
1251: }
1252: }
1253: }
1254: $r->print('<tr class="LC_info_row"><td colspan="7"><br /><input type="submit" name="counters" value="'.$lt{'rese'}.'" /></td></tr></form>');
1255: } else {
1256: $r->print('<tr class="LC_empty_row"><td>'.$lt{'nopr'}.'</td></tr>');
1257: }
1258: }
1259:
1260: sub display_versionchanges {
1261: my ($r,$changed,$res_title,$rowColor1,$rowColor2,$interval) = @_;
1262: my %lt = &Apache::lonlocal::texthash(
1263: 'reso' => 'Resource',
1264: 'revd' => 'Last revised',
1265: 'newv' => 'New version',
1266: 'veru' => 'Version used',
1267: 'noup' => 'No updated versions',
1268: );
1269: my $rowColor;
1270: if (keys(%{$changed}) > 0) {
1271: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td><b><small>'.$lt{'revd'}.'</small></b></td><td><b><small>'.$lt{'newv'}.'</small></b></td><td><b><small>'.$lt{'veru'}.'</small></b></td></tr>');
1272:
1273:
1274: my @changes = sort { &cmp_title($a,$b,$res_title) } keys(%{$changed});
1275: my $changenum = 0;
1276: foreach my $item (@changes) {
1277: if ($changenum %2 == 1) {
1278: $rowColor = $rowColor1;
1279: } else {
1280: $rowColor = $rowColor2;
1281: }
1282: my ($map,$id,$url)=&Apache::lonnet::decode_symb($item);
1283: my $linkurl=&Apache::lonnet::clutter($url);
1284: $linkurl .= '?symb='.&escape($item);
1285:
1286: $r->print('<tr bgcolor="'.$rowColor.'"><td><small><a href="'.$linkurl.'">'.$$res_title{$item}.'</a></small></td><td><small>'.$$changed{$item}{'revdate'}.'</small></td><td><small>'.$$changed{$item}{'current'}.'</small></td><td><small>'.$$changed{$item}{'version'}.'</small></td></tr>');
1287: $changenum ++;
1288: }
1289: } else {
1290: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'noup'}.' '.$interval.'</small></i></b></center><br /></td></tr>');
1291: }
1292: return;
1293: }
1294:
1295: sub display_coursediscussion {
1296: my ($r,$newdiscussions,$unread,$countunread,$res_title,$rowColor1,
1297: $rowColor2) = @_;
1298: my $lctype = lc(&Apache::loncommon::course_type());
1299: my %lt = &Apache::lonlocal::texthash(
1300: 'loca' => 'Location',
1301: 'type' => 'Type',
1302: 'numn' => 'Number of new posts',
1303: 'noun' => 'No unread posts in '.$lctype.' discussions',
1304: 'tmlp' => 'Time of last post',
1305: );
1306: my $rowColor;
1307: if (@{$newdiscussions} > 0) {
1308: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'loca'}.
1309: '</small></b></td><td><b><small>'.$lt{'type'}.
1310: '</small></b>');
1311: if ($countunread eq 'on') {
1312: $r->print('<td><b><small>'.$lt{'tmlp'}.'</small></b></td>'.
1313: '<td align="right"><b><small>'.$lt{'numn'}.
1314: '</small></b></td>');
1315: } else {
1316: $r->print('<td align="right"><b><small>'.$lt{'tmlp'}.
1317: '</small></b></td>');
1318: }
1319: $r->print("</tr>\n");
1320: @{$newdiscussions} = sort { &cmp_title($a,$b,$res_title) }
1321: @{$newdiscussions};
1322: my $rowNum = 0;
1323: foreach my $ressymb (@{$newdiscussions}) {
1324: my $forum_title = $$unread{$ressymb}{'title'};
1325: my $type = 'Resource';
1326: my $feedurl=&Apache::lonfeedback::get_feedurl($ressymb);
1327: my $disclink = $feedurl.'?symb='.$$unread{$ressymb}{symb};
1328: if ($feedurl =~ /bulletinboard/) {
1329: $type = 'Bulletin Board';
1330: }
1331: if ($$unread{$ressymb}{'enclink'}) {
1332: $disclink = $$unread{$ressymb}{'enclink'}.'?symb='.$$unread{$ressymb}{'encsymb'};
1333: }
1334: if ($rowNum %2 == 1) {
1335: $rowColor = $rowColor1;
1336: } else {
1337: $rowColor = $rowColor2;
1338: }
1339: my $lastpost = &Apache::lonnavmaps::timeToHumanString(
1340: $$unread{$ressymb}{'lastpost'});
1341: $r->print('<tr bgcolor="'.$rowColor.'"><td><small><a href="'.$disclink.'">'.$forum_title.'</a> </td><td><small>'.$type.' </small></td>');
1342: if ($countunread eq 'on') {
1343: my $unreadnum = $$unread{$ressymb}{'unreadcount'};
1344: $r->print('<td><small>'.$lastpost.'<small></td><td align="right">'.
1345: '<small>',$unreadnum.' </small></td>');
1346: } else {
1347: $r->print('<td align="right"><small>'.$lastpost.'</small></td>');
1348: }
1349: $r->print("</tr>\n");
1350: $rowNum ++;
1351: }
1352: } else {
1353: $r->print('<tr><td bgcolor="#ffffff"><br><center> <i><b><small>'.
1354: $lt{'noun'}.'</small></b></i><br><br></td></tr>');
1355: }
1356: }
1357:
1358: sub display_coursenormalmail {
1359: my ($r,$msgcount,$newmsgs,$rowColor1,$rowColor2) = @_;
1360: my $rowColor;
1361: my $lctype = lc(&Apache::loncommon::course_type());
1362: if ($msgcount > 0) {
1363: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.&mt('Number').'</small></b></td><td><b><small>'.&mt('Subject').'</small></b></td><td><b><small>'.&mt('Sender').'</small></b></td><td><b><small>'.&mt('Date/Time').'</small></b></td></tr>');
1364: my $rowNum = 0;
1365: my $mailcount = 1;
1366: foreach my $msg (@{$newmsgs}) {
1367: if ($rowNum %2 == 1) {
1368: $rowColor = $rowColor1;
1369: } else {
1370: $rowColor = $rowColor2;
1371: }
1372: $r->print('<tr bgcolor="'.$rowColor.'"><td valign="top"><small>'.$mailcount.'. </small></td><td valign="top"><small><a href="/adm/communicate">'.$msg->{'shortsub'}.'</a> </small></td><td valign="top"><small> '.$msg->{'from'}.'@'.$msg->{'fromdom'}.' </small></td><td valign="top"><small>'.$msg->{'sendtime'}.'</small></td></tr>');
1373: $rowNum ++;
1374: $mailcount ++;
1375: }
1376: } else {
1377: $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>'.&mt('No new '.$lctype.' messages').'</small></i></b><br /><br /></center></td></tr>');
1378: }
1379: }
1380:
1381: sub display_coursecritmail {
1382: my ($r,$critmsgcount,$critmsgs,$rowColor1,$rowColor2) = @_;
1383: my $rowColor;
1384: my $lctype = lc(&Apache::loncommon::course_type());
1385: if ($critmsgcount > 0) {
1386: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.&mt('Number').'</small></b></td><td><b><small>'.&mt('Subject').'</small></b></td><td><b><small>'.&mt('Sender').'</small></b></td><td><b><small>'.&mt('Date/Time').'</small></b></td></tr>');
1387: my $rowNum = 0;
1388: my $mailcount = 1;
1389: foreach my $msg (@{$critmsgs}) {
1390: if ($rowNum %2 == 1) {
1391: $rowColor = $rowColor1;
1392: } else {
1393: $rowColor = $rowColor2;
1394: }
1395: $r->print('<tr bgcolor="'.$rowColor.'"><td valign="top"><small>'.$mailcount.'. <small></td><td valign="top"><small><a href="/adm/email?folder=critical">'.$msg->{'shortsub'}.'</a> </small></td><td valign="top"><small> '.$msg->{'from'}.'@'.$msg->{'fromdom'}.' </small></td><td valign="top"><small>'.$msg->{'sendtime'}.'</small></td></tr>');
1396: $rowNum ++;
1397: $mailcount ++;
1398: }
1399: } else {
1400: $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>'.&mt('No unread critical messages in '.$lctype).'</small></i></b><br /><br /></center></td></tr>');
1401: }
1402: }
1403:
1404: sub cmp_title {
1405: my ($a,$b,$res_title) = @_;
1406: my ($atitle,$btitle) = (lc($$res_title{$a}),lc($$res_title{$b}));
1407: $atitle=~s/^\s*//;
1408: $btitle=~s/^\s*//;
1409: return $atitle cmp $btitle;
1410: }
1411:
1412: sub get_display_settings {
1413: my ($uname,$udom,$cid) = @_;
1414: my %settings = &Apache::lonnet::dump('nohist_whatsnew',$udom,$uname,$cid);
1415: my ($tmp) = keys(%settings);
1416: if ($tmp=~ /^(con_lost|error|no_such_host)/i) {
1417: %settings = ();
1418: unless ($tmp =~ /^error: 2 /) {
1419: my $lctype = lc(&Apache::loncommon::course_type());
1420: &Apache::lonnet::logthis('Error retrieving whatsnew settings: '.
1421: $tmp.' for '.$uname.':'.$udom.' for '.$lctype.': '.$cid);
1422: }
1423: }
1424: return %settings;
1425: }
1426:
1427: sub store_display_settings {
1428: my ($uname,$udom,$cid,$checkallowed) = @_;
1429: my %whatsnew_settings;
1430: my $result;
1431: foreach my $key (keys(%{$checkallowed})) {
1432: if ($key =~ /_section$/) { next; }
1433: if (exists($env{'form.display_'.$key})) {
1434: unless ($env{'form.display_'.$key} eq '') {
1435: $whatsnew_settings{$cid.':'.$key} = $env{'form.display_'.$key};
1436: }
1437: }
1438: }
1439: if (keys(%whatsnew_settings)) {
1440: $result = &Apache::lonnet::put('nohist_whatsnew',\%whatsnew_settings,
1441: $udom,$uname);
1442: } else {
1443: $result = 'ok';
1444: }
1445: return $result;
1446: }
1447:
1448: sub store_interval_setting {
1449: my ($uname,$udom,$cid,$interval_titles) = @_;
1450: my %interval_settings = ();
1451: my $result;
1452: if (defined($env{'form.interval'})) {
1453: $interval_settings{$cid.':interval'} = $env{'form.interval'};
1454: my $outcome = &Apache::lonnet::put('nohist_whatsnew',
1455: \%interval_settings,$udom,$uname);
1456: if ($outcome eq 'ok') {
1457: $result = &mt('Interval set to version changes [_1]',
1458: '<b>'.$$interval_titles{$env{'form.interval'}}.'</b><br />');
1459:
1460: } else {
1461: my $lctype = lc(&Apache::loncommon::course_type());
1462: &Apache::lonnet::logthis('Error storing whatsnew interval setting'.
1463: ' '.$outcome.' for '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
1464: $result = &mt('Unable to set interval to [_1] due to [_2].',
1465: '<b>'.$$interval_titles{$env{'form.interval'}}.'</b>',
1466: '<tt>'.$outcome.'</tt>.<br />');
1467: }
1468: }
1469: return $result;
1470: }
1471:
1472: sub store_discussion_setting {
1473: my ($uname,$udom,$cid) = @_;
1474: my %discussion_settings;
1475: my $result;
1476: if (defined($env{'form.countunread'})) {
1477: $discussion_settings{$cid.':countunread'} = $env{'form.countunread'};
1478: my $outcome = &Apache::lonnet::put('nohist_whatsnew',
1479: \%discussion_settings,$udom,$uname);
1480: if ($outcome eq 'ok') {
1481: $result = &mt('Count unread posts in discussions display set to [_1]',
1482: '<b>'.$env{'form.countunread'}.'</b><br />');
1483:
1484: } else {
1485: my $lctype = lc(&Apache::loncommon::course_type());
1486: &Apache::lonnet::logthis('Error storing whatsnew countunread setting'.
1487: ' '.$outcome.' for '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
1488: $result = &mt('Unable to set "number unread posts display" to [_1]'.
1489: ' due to [_2].',
1490: '<b>'.$env{'form.countunread'}.'</b>',
1491: '<tt>'.$outcome.'</tt>.<br />');
1492: }
1493: }
1494: return $result;
1495: }
1496:
1497: sub store_courseinit_setting {
1498: my ($uname,$udom,$cid,$initpage) = @_;
1499: my %courseinit_settings;
1500: my $page_control;
1501: my $result;
1502: if (defined($env{'form.courseinit_control'})) {
1503: if ($env{'form.courseinit_control'} eq 'userpref') {
1504: $courseinit_settings{$cid.':courseinit'} = '';
1505: $page_control = 'global preferences';
1506: } else {
1507: if (defined($env{'form.courseinit_page'})) {
1508: $courseinit_settings{$cid.':courseinit'} =
1509: $env{'form.courseinit_page'};
1510: $page_control = 'course specific setting';
1511: }
1512: }
1513: if ($page_control) {
1514: my $lctype = lc(&Apache::loncommon::course_type());
1515: my $outcome = &Apache::lonnet::put('nohist_whatsnew',
1516: \%courseinit_settings,$udom,$uname);
1517: if ($outcome eq 'ok') {
1518: if ($page_control eq 'global preferences') {
1519: $result = &mt("Page displayed after role selection in $lctype now set by <b>user's global preferences</b>.");
1520: } else {
1521: $result = &mt('Page displayed after role selection in this '.$lctype.' set to <b>[_2]</b>',$lctype,$$initpage{$env{'form.courseinit_page'}});
1522: }
1523: } else {
1524: &Apache::lonnet::logthis('Error storing whatsnew courseinit '.
1525: 'setting: '.$outcome.' for '.$uname.
1526: ':'.$udom.' in '.$lctype.' '.$cid);
1527: if ($page_control eq 'global preferences') {
1528: $result = &mt('Unable to set control of page display to [_1]'.
1529: ' due to [_2].',
1530: '<b>'.$page_control.'</b>',
1531: '<tt>'.$outcome.'</tt>.<br />');
1532: } else {
1533: $result = &mt('Unable to set page display, after role selection, for this '.$lctype.' to <b>[_2]</b> due to <tt>[_3]</tt>.<br />',
1534: $$initpage{$env{'form.courseinit_page'}},$outcome);
1535: }
1536: }
1537: }
1538: }
1539: return $result;
1540: }
1541:
1542: sub start_box {
1543: my ($r,$tabbg,$show,$heading,$caller,$refpage) = @_;
1544: my %lt = &Apache::lonlocal::texthash(
1545: chth => 'Change thresholds?',
1546: chin => 'Change interval?',
1547: chop => 'Change options?',
1548: );
1549: my ($showhide,$class);
1550: if ($$show{$caller}) {
1551: $showhide = '<b><a href="javascript:change_display(document.visible.'.
1552: 'display_'.$caller.",'hide'".');">Hide</a></b>';
1553:
1554: } else {
1555: $showhide = '<b><a href="javascript:change_display(document.visible.'.
1556: 'display_'.$caller.",'show'".');">Show</a></b>';
1557: }
1558:
1559: $r->print('
1560: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
1561: <tr>
1562: <td>
1563: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
1564: <tr>
1565: <td bgcolor="'.$tabbg.'">
1566: <table width="100%" border="0" cellspacing="0" cellpadding="0">
1567: <tr>
1568: <td><b>'.$$heading{$caller}.'</b></td>
1569: <td valign="top" align="right">'.$showhide.'</td>
1570: </tr>
1571: </table>
1572: </td>
1573: </tr>');
1574: if (($caller eq 'abovethreshold') && ($$show{$caller})) {
1575: if ($$show{$caller}) {
1576: $r->print('
1577: <tr>
1578: <td bgcolor="'.$tabbg.'" align="right"><a href="/adm/whatsnew?command=chgthreshold&refpage='.$refpage.'"><b><small>'.$lt{'chth'}.'</small></b></a></td>
1579: </tr>');
1580: }
1581: $class='class="LC_whatsnew"';
1582: } elsif (($caller eq 'versionchanges') && ($$show{$caller})) {
1583: if ($$show{$caller}) {
1584: $r->print('
1585: <tr>
1586: <td bgcolor="'.$tabbg.'" align="right"><a href="/adm/whatsnew?command=chginterval&refpage='.$refpage.'"><b><small>'.$lt{'chin'}.'</small></b></a></td>
1587: </tr>');
1588: }
1589: } elsif ($caller eq 'coursediscussion') {
1590: if ($$show{$caller}) {
1591: $r->print('
1592: <tr>
1593: <td bgcolor="'.$tabbg.'" align="right"><a href="/adm/whatsnew?command=chgdisc&refpage='.$refpage.'"><b><small>'.$lt{'chop'}.'</small></b></a></td>
1594: </tr>');
1595: }
1596: }
1597: $r->print('
1598: <tr>
1599: <td bgcolor="#ffffff">
1600: <table cellpadding="2" cellspacing="0" border="0" width="100%" '.$class.'>
1601: ');
1602: return;
1603: }
1604:
1605: sub end_box {
1606: my ($r) = shift;
1607: $r->print('
1608: </table>
1609: </td>
1610: </tr>
1611: </table>
1612: </td>
1613: </tr>
1614: </table><br />');
1615: return;
1616: }
1617:
1618: 1;
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