File:
[LON-CAPA] /
loncom /
interface /
lonannounce.pm
Revision
1.82:
download - view:
text,
annotated -
select for diffs
Tue Mar 16 20:10:13 2010 UTC (14 years, 5 months ago) by
raeburn
Branches:
MAIN
CVS tags:
version_2_9_X,
version_2_9_1,
version_2_9_0,
version_2_8_99_1,
version_2_10_X,
version_2_10_1,
version_2_10_0_RC2,
version_2_10_0_RC1,
version_2_10_0,
loncapaMITrelate_1,
language_hyphenation_merge,
language_hyphenation,
PRINT_INCOMPLETE_base,
PRINT_INCOMPLETE,
HEAD,
BZ4492-merge,
BZ4492-feature_horizontal_radioresponse
- fix typo in texthash key.
1: # The LearningOnline Network
2: # Announce
3: #
4: # $Id: lonannounce.pm,v 1.82 2010/03/16 20:10:13 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::lonannounce;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon;
34: use Apache::lonhtmlcommon();
35: use Apache::lonlocal;
36: use Apache::lonnavmaps();
37: use Apache::lonrss();
38: use Apache::lonnet;
39: use HTML::Entities();
40: use LONCAPA qw(:match);
41: use DateTime;
42: use DateTime::TimeZone;
43:
44: my %todayhash;
45: my %showedcheck;
46:
47: sub editfield {
48: my ($r,$start,$end,$text,$crstype)=@_;
49: # Deal with date forms
50: my $startdateform = &Apache::lonhtmlcommon::date_setter('anno',
51: 'startdate',
52: $start);
53: my $enddateform = &Apache::lonhtmlcommon::date_setter('anno',
54: 'enddate',
55: $end);
56: #my $help=&Apache::loncommon::help_open_menu('Calendar Add Announcement','Calendar_Add_Announcement',274,'Communication Tools');
57: my $help=&Apache::loncommon::help_open_topic('Calendar_Add_Announcement');
58:
59: my %lt=&Apache::lonlocal::texthash('annon' => 'Course Announcements',
60: 'post' => 'Post Announcement',
61: 'start' => 'Starting date',
62: 'end' => 'Ending date',
63: 'incrss' => 'Include in course RSS newsfeed');
64: if ($crstype eq 'Community') {
65: $lt{'annon'} = &mt('Community Announcements');
66: $lt{'incrss'} = &mt('Include in community RSS newsfeed');
67: }
68:
69: $r->print(<<ENDFORM);
70: <h2>$lt{'annon'} $help</h2>
71: <form name="anno" method="post">
72: <input type="hidden" value='' name="action" />
73: <table><tr><td>$lt{'start'}:</td><td>$startdateform</td></tr>
74: <tr><td>$lt{'end'}:</td><td>$enddateform</td></tr></table>
75: <textarea name="msg" rows="4" cols="60">$text</textarea>
76: <br />
77: <label><input type="checkbox" name="rsspost" /> $lt{'incrss'}</label>
78: <br /><input type="button" onClick="trysubmit()" value="$lt{'post'}" /><hr />
79: ENDFORM
80: }
81:
82: sub readcalendar {
83: my $courseid=shift;
84: my $coursenum=$env{'course.'.$courseid.'.num'};
85: my $coursedom=$env{'course.'.$courseid.'.domain'};
86: if ($coursenum eq '' || $coursedom eq '') {
87: my %courseinfo=&Apache::lonnet::coursedescription($courseid);
88: if ($coursenum eq '' && exists($courseinfo{'num'})) {
89: $coursenum = $courseinfo{'num'};
90: }
91: if ($coursedom eq '' && exists($courseinfo{'domain'})) {
92: $coursedom = $courseinfo{'domain'};
93: }
94: }
95:
96: my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum);
97: my %returnhash=();
98: foreach my $item (keys(%thiscal)) {
99: unless (($item=~/^error\:/) || ($thiscal{$item}=~/^error\:/)) {
100: my ($start,$end)=split('_',$item);
101: $returnhash{join("\0",$courseid,$start,$end)}=$thiscal{$item};
102: }
103: }
104: my $can_see_hidden = ($env{'request.role.adv'} &&
105: ($courseid eq $env{'request.course.id'}));
106:
107: my $navmap;
108: if ($courseid eq $env{'request.course.id'}) {
109: $navmap = Apache::lonnavmaps::navmap->new();
110: }
111:
112: my $resourcedata=
113: &Apache::lonnet::get_courseresdata($coursenum,$coursedom);
114: if (ref($resourcedata) ne 'HASH') {
115: return %returnhash;
116: }
117: foreach my $thiskey (keys(%$resourcedata)) {
118: if ($resourcedata->{$thiskey.'.type'}=~/^date/) {
119: my ($course,$middle,$part,$name)=
120: ($thiskey=~/^(\Q$courseid\E)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
121:
122: my %data = ( 'section' => &mt('All Students'));
123: if ($middle=~/^\[(.*)\]\./) {
124: my $sec=$1;
125: # if we have a section don't show ones that aren't ours
126: if ($env{'request.course.sec'} &&
127: $env{'request.course.sec'} ne $sec) { next; }
128: # if a student without a section don't show any section ones
129: if (!$env{'request.role.adv'} &&
130: !$env{'request.course.sec'}) { next; }
131: $data{'section'}=&mt('Group/Section').': '.$1;
132: $middle=~s/^\[(.*)\]\.//;
133: }
134: $middle=~s/\.$//;
135: $data{'realm'}=&mt('All Resources');
136: if ($middle eq '___(all)') {
137: if (!$can_see_hidden && !$navmap) {
138: next;
139: }
140: } elsif ($middle=~/^(.+)\_\_\_\(all\)$/) {
141: my $map_url=$1;
142: if (!$can_see_hidden && !$navmap) {
143: next;
144: }
145: if (!$can_see_hidden) {
146: my $res = $navmap->getResourceByUrl($map_url);
147: if ($res && $res->randomout()) {
148: next;
149: }
150: }
151: $data{'realm'}=&mt('Folder/Map');
152: $data{'url'} = $map_url;
153: } elsif ($middle) {
154: if (!$can_see_hidden && !$navmap) {
155: next;
156: }
157: if (!$can_see_hidden) {
158: my $res = $navmap->getBySymb($middle);
159: if ($res && $res->randomout()) {
160: next;
161: }
162: }
163: $data{'realm'} = &mt('Resource');
164: $data{'symb'} = $middle;
165: }
166: $data{'datetype'} = $name;
167: if ($name eq 'duedate') {
168: $data{'datetype'} = &mt('Due');
169: # see if accidentally answerdate is before duedate
170: my $answerkey=$thiskey;
171: $answerkey=~s/duedate$/answerdate/;
172: if ($resourcedata->{$thiskey}>$resourcedata->{$answerkey}) {
173: $data{'datetype'} = &mt('Due and Answer Available');
174: }
175: }
176: if ($name eq 'opendate'
177: || $name eq 'contentopen' ) {
178: $data{'datetype'}=&mt('Opening');
179: }
180: if ($name eq 'contentclose') {
181: $data{'datetype'}=&mt('Closing');
182: }
183: if ($name eq 'answerdate') {
184: # see if accidentally answerdate is before duedate
185: my $duekey=$thiskey;
186: $duekey=~s/answerdate$/duedate/;
187: if ($resourcedata->{$duekey}>$resourcedata->{$thiskey}) {
188: # forget it
189: next;
190: }
191: $data{'datetype'}=&mt('Answer Available');
192: }
193: $returnhash{join("\0",$courseid,
194: $resourcedata->{$thiskey},
195: $resourcedata->{$thiskey})}=\%data;
196: }
197: }
198: return %returnhash;
199: }
200:
201: sub emptycell {
202: return '<td class="LC_calendar_day_empty"> </td>';
203: }
204:
205: sub normalcell {
206: my ($day,$month,$year,$items_ref)=@_;
207: my $output;
208: my @items=&order($items_ref);
209: foreach my $item (@items) {
210: if ($item) {
211: my ($courseid,$start,$end,$msg)=@$item;
212: my $internalflag= (ref($msg)) ? 1 : 0;
213: $msg = &display_msg($msg);
214: my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
215: '\n'.&Apache::lonlocal::locallocaltime($start);
216: if ($start!=$end) {
217: $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
218: }
219: $fullmsg.=':\n'.$msg;
220: $fullmsg=~s/[\n\r]/\\n/gs;
221: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
222: $fullmsg=~s/&/\\&/g;
223: my $short_msg = substr($msg,0,20).((length($msg) > 20)?'...':'');
224: if (defined($output)) { $output.='<br />'; }
225: if ($courseid eq $env{'request.course.id'}) {
226: if ((&Apache::lonnet::allowed('srm',$env{'request.course.id'}))
227: && (!$showedcheck{$start.'_'.$end})
228: && ($env{'form.pickdate'} ne 'yes')
229: && (!$internalflag)) {
230: $output.='<input type="checkbox" name="remove_'.$start.'_'.
231: $end.'">';
232: $showedcheck{$start.'_'.$end}=1;
233: }
234: }
235: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
236: $short_msg.'</a>';
237: }
238: }
239: return '<td class="LC_calendar_day'.
240: ((($day eq $todayhash{'day'}) &&
241: ($month eq $todayhash{'month'}) &&
242: ($year eq $todayhash{'year'}))?'_current':'').
243: '" ><b>'.&picklink($day,$day,$month,$year).'</b><br />'.$output.'</td>';
244: }
245:
246: sub plaincell {
247: my ($items_ref)=@_;
248: my $output;
249: my @items=&order($items_ref);
250: foreach my $item (@items) {
251: if (ref($item)) {
252: my ($courseid,$start,$end,$msg)=@$item;
253: my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
254: '\n'.&Apache::lonlocal::locallocaltime($start);
255: if ($start!=$end) {
256: $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
257: }
258: $msg = &display_msg($msg);
259: $fullmsg.=':\n'.$msg;
260: $fullmsg=~s/[\n\r]/\\n/gs;
261: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
262: $fullmsg=~s/&/\\&/g;
263: my $short_msg = substr($msg,0,80).((length($msg) > 80)?'...':'');
264: if (defined($output)) { $output.='<br />'; }
265: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
266: $short_msg.'</a>';
267: }
268: }
269: return $output;
270: }
271:
272: sub listcell {
273: my ($items_ref)=@_;
274: my $output='';
275: my @items=&order($items_ref);
276: foreach my $item (@items) {
277: if (ref($item)) {
278: my ($courseid,$start,$end,$msg)=@$item;
279: my $fullmsg=&Apache::lonlocal::locallocaltime($start);
280: if ($start!=$end) {
281: $fullmsg.=&mt(' to ').
282: &Apache::lonlocal::locallocaltime($end);
283: }
284: $fullmsg.=':<br /><b>'.&display_msg($msg).'</b>';
285: $output.='<li>'.$fullmsg.'</li>';
286: }
287: }
288: return $output;
289: }
290:
291: sub order {
292: my ($items)=@_;
293: return sort {
294: my ($astart,$aend)=$a->[1,2];
295: my ($bstart,$bend)=$b->[1,2];
296: if ($astart != $bstart) {
297: return $astart <=> $bstart;
298: }
299: return $aend <=> $bend;
300: } @$items;
301: }
302:
303: sub nextday {
304: my ($tk,%th)=@_;
305: my ($incmonth,$incyear);
306: if ($th{'day'} > 27) {
307: if ($th{'month'} == 2) {
308: if ($th{'day'} == 29) {
309: $incmonth = 1;
310: } elsif ($th{'day'} == 28) {
311: if (!&is_leap_year($tk)) {
312: $incmonth = 1;
313: }
314: }
315: } elsif (($th{'month'} == 4) || ($th{'month'} == 6) ||
316: ($th{'month'} == 9) || ($th{'month'} == 11)) {
317: if ($th{'day'} == 30) {
318: $incmonth = 1;
319: }
320: } elsif ($th{'day'} == 31) {
321: if ($th{'month'} == 12) {
322: $incyear = 1;
323: } else {
324: $incmonth = 1;
325: }
326: }
327: if ($incyear) {
328: $th{'day'} = 1;
329: $th{'month'} = 1;
330: $th{'year'}++;
331: } elsif ($incmonth) {
332: $th{'day'} = 1;
333: $th{'month'}++;
334: } else {
335: $th{'day'}++;
336: }
337: } else {
338: $th{'day'}++;
339: }
340: return (&Apache::loncommon::maketime(%th),$th{'month'});
341: }
342:
343: sub is_leap_year {
344: my ($thistime) = @_;
345: my ($is_leap,$timezone,$dt);
346: $timezone = &Apache::lonlocal::gettimezone();
347: eval {
348: $dt = DateTime->from_epoch(epoch => $thistime)
349: ->set_time_zone($timezone);
350: };
351: if (!$@) {
352: $is_leap = $dt->is_leap_year;
353: }
354: return $is_leap;
355: }
356:
357: sub display_msg {
358: my ($msg) = @_;
359:
360: # if it's not a ref, it's an instructor provided message
361: return $msg if (!ref($msg));
362:
363: my $output = $msg->{'datetype'}. ': '.$msg->{'realm'};
364: if (exists($msg->{'url'})) {
365: my $displayurl=&Apache::lonnet::gettitle($msg->{'url'});
366: if ($msg->{'url'}!~/\Q$displayurl\E$/) {
367: $output .= ' - '.$displayurl;
368: }
369: }
370: if (exists($msg->{'symb'})) {
371: my $displaysymb=&Apache::lonnet::gettitle($msg->{'symb'});
372: if ($msg->{'symb'}!~/\Q$displaysymb\E$/) {
373: $output .= ' - '.$displaysymb;
374: }
375: }
376: $output .= ' ('.$msg->{'section'}.') ';
377: return $output;
378: }
379:
380: sub showday {
381: my ($tk,$mode,%allcal)=@_;
382: my %th=&Apache::loncommon::timehash($tk);
383: my ($nextday,$nextmonth)=&nextday($tk,%th);
384: my @outp;
385: if ($mode) {
386: my $oneday=24*3600;
387: $tk-=$oneday;
388: $nextday+=$oneday;
389: }
390: foreach my $item (keys(%allcal)) {
391: my ($courseid,$startdate,$enddate)= split("\0",$item);
392: if (($startdate<$nextday) && ($enddate>=$tk)) {
393: push(@outp,[$courseid,$startdate,$enddate,$allcal{$item}]);
394: }
395: }
396: unless ($mode) {
397: return ($nextday,$nextmonth,&normalcell(
398: $th{'day'},$th{'month'},$th{'year'},\@outp));
399: } elsif (@outp) {
400: if ($mode==1) {
401: return '<br />'.&plaincell(\@outp);
402: } else {
403: return '<ul>'.&listcell(\@outp).'</ul>';
404: }
405: } else {
406: return '';
407: }
408: }
409:
410: sub picklink {
411: my ($text,$day,$month,$year)=@_;
412: if ($env{'form.pickdate'} eq 'yes') {
413: return '<a href="javascript:dialin('.$day.','.$month.','.$year.')">'.
414: $text.'</a>';
415: } else {
416: return $text;
417: }
418: }
419:
420: sub dialscript {
421: return (<<ENDDIA);
422: <script type="text/javascript" language="JavaScript">
423: // <![CDATA[
424: function dialin(day,month,year) {
425: opener.document.$env{'form.formname'}.$env{'form.element'}\_year.value=year;
426: var slct=opener.document.$env{'form.formname'}.$env{'form.element'}\_month;
427: var i;
428: for (i=0;i<slct.length;i++) {
429: if (slct.options[i].value==month) { slct.selectedIndex=i; }
430: }
431: opener.document.$env{'form.formname'}.$env{'form.element'}\_day.value=day;
432: opener.$env{'form.element'}\_checkday();
433: self.close();
434: }
435: // ]]>
436: </script>
437: ENDDIA
438: }
439: # ----------------------------------------------------- Summarize all calendars
440: sub get_all_calendars {
441: my %allcal=();
442: my %courses = &Apache::loncommon::findallcourses();
443: foreach my $course (sort(keys(%courses))) {
444: %allcal=(%allcal,&readcalendar($course));
445: }
446: return %allcal;
447: }
448:
449: sub output_ics_file {
450: my ($r)=@_;
451: # RFC 2445 wants CRLF
452: my $crlf="\015\012";
453: # Header
454: $r->print("BEGIN:VCALENDAR$crlf");
455: $r->print("VERSION:2.0$crlf");
456: $r->print("PRODID:-//LONCAPA//LONCAPA Calendar Output//EN$crlf");
457: my %allcal=&get_all_calendars();
458: foreach my $event (keys(%allcal)) {
459: my ($courseid,$startdate,$enddate)= split('\0',$event);
460: my $uid=$event;
461: $uid=~s/[\W\_]/-/gs;
462: $uid.='@loncapa';
463: my $summary=&display_msg($allcal{$event});
464: $summary=~s/\s+/ /gs;
465: $summary=$env{'course.'.$courseid.'.description'}.': '.$summary;
466: $r->print("BEGIN:VEVENT$crlf");
467: $r->print("DTSTART:".&Apache::loncommon::utc_string($startdate).$crlf);
468: $r->print("DTEND:".&Apache::loncommon::utc_string($enddate).$crlf);
469: $r->print("SUMMARY:$summary$crlf");
470: $r->print("UID:$uid$crlf");
471: $r->print("END:VEVENT$crlf");
472: }
473: # Footer
474: $r->print("END:VCALENDAR$crlf");
475: }
476:
477: sub show_timezone {
478: my $tzone = &Apache::lonlocal::gettimezone();
479: my $dt = DateTime->now();
480: my $tz = DateTime::TimeZone->new( name => $tzone );
481: return &mt('([_1] time zone)',$tz->short_name_for_datetime($dt));
482: }
483:
484: sub handler {
485: my $r = shift;
486: if ($r->uri=~/\.(ics|ical)$/) {
487: &Apache::loncommon::content_type($r,'text/calendar');
488: &output_ics_file($r);
489: return OK;
490: }
491: &Apache::loncommon::content_type($r,'text/html');
492: $r->send_http_header;
493: return OK if $r->header_only;
494:
495: # ---------------------------------------------------------- Get time right now
496: my $today=time;
497: %todayhash=&Apache::loncommon::timehash($today);
498: # ----------------------------------------------------------------- Check marks
499: undef(%showedcheck);
500: # ---------------------------------------------------------- Get month and year
501: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
502: ['month','year','pickdate','formname','element']);
503: # --------------------------------------------------- Decide what month to show
504: my $year=$todayhash{'year'};
505: if ($env{'form.year'}) { $year=$env{'form.year'}; }
506: my $month=$todayhash{'month'};
507: if ($env{'form.month'}) { $month=$env{'form.month'}; }
508:
509: # ---------------------------------------------- See if we are in pickdate mode
510: my $pickdatemode=($env{'form.pickdate'} eq 'yes');
511: my $pickinfo='&pickdate=yes&formname='.$env{'form.formname'}.
512: '&element='.$env{'form.element'};
513: # --------------------------------------------- Find out first day of the month
514:
515: my $tk = &Apache::loncommon::maketime( 'day' => 1,
516: 'month'=> $month,
517: 'year' => $year,
518: 'hour' => 0,
519: 'minute' => 0,
520: 'second' => 0);
521: my %firstday = &Apache::loncommon::timehash($tk);
522: my $weekday=$firstday{'weekday'};
523:
524: # ------------------------------------------------------------ Print the screen
525: my $js = <<ENDDOCUMENT;
526: <script type="text/javascript" language="JavaScript">
527: // <![CDATA[
528:
529: function trysubmit() {
530: document.anno.action.value="new";
531: document.anno.submit();
532: }
533:
534: function removesub() {
535: document.anno.action.value="del";
536: document.anno.submit();
537: }
538: // ]]>
539: </script>
540: ENDDOCUMENT
541:
542: if ($pickdatemode) {
543: # no big header in pickdate mode
544: $r->print(&Apache::loncommon::start_page("Pick a Date",$js,
545: {'only_body' => 1,}).
546: &dialscript().
547: '<font size="1">');
548: } else {
549: my $brcrum = [{href=>"/adm/announcements",text=>"Announcements and Calendar"}];
550: $r->print(&Apache::loncommon::start_page("Communication",$js,{'bread_crumbs' => $brcrum}));
551: }
552: # does this user have privileges to post, etc?
553: my $allowed=0;
554: if ($env{'request.course.id'}) {
555: $allowed=&Apache::lonnet::allowed('srm',$env{'request.course.id'});
556: }
557: # does this user have privileges to post to servers?
558: my $serverpost=0;
559: if ($env{'request.role.domain'}) {
560: $serverpost=&Apache::lonnet::allowed('psa',
561: $env{'request.role.domain'});
562: } else {
563: $serverpost=&Apache::lonnet::allowed('psa','/');
564: }
565: # -------------------------------- BUT: do no fancy stuff when in pickdate mode
566: if ($pickdatemode) {
567: $serverpost=0;
568: $allowed=0;
569: }
570: # ------------------------------------------------------------ Process commands
571: if ($serverpost) {
572: if ($env{'form.serveraction'}) {
573: foreach my $key (keys(%env)) {
574: if ($key=~/^form\.postto\_(\w+)/) {
575: $r->print(
576: '<br />Posting '.$1.': '.&Apache::lonnet::postannounce
577: ($1,$env{'form.serverannnounce'}));
578: }
579: }
580: }
581: $r->print('<form name="serveranno" method="post">'
582: .'<h2>'.&mt('Post Server Announcements').'</h2>'
583: .&mt('Post announcements to the system login and roles screen').'<br />'
584: .'<i>'.&mt('(leave blank to delete announcement)').'</i><br />'
585: .'<textarea name="serverannnounce" cols="60" rows="5"></textarea><br />'
586: .&mt('Check machines:').'<br />'
587: );
588: # list servers
589: my %hostname = &Apache::lonnet::all_hostnames();
590: foreach my $host (sort(keys(%hostname))) {
591: if (&Apache::lonnet::allowed('psa',
592: &Apache::lonnet::host_domain($host))) {
593: $r->print ('<label><input type="checkbox" name="postto_'.$host.'" /> '.
594: $host.' <tt>'.$hostname{$host}.'</tt> '.
595: '</label><a href="http://'.$hostname{$host}.
596: '/announcement.txt?time='.time.'" target="annowin">'.
597: &mt('Current Announcement').'</a><br />');
598: }
599: }
600: $r->print(
601: '<br /><input type="submit" name="serveraction" value="'.&mt('Post').'" /></form><hr />');
602: }
603: if ($allowed) {
604: my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
605: my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
606: my $crstype = &Apache::loncommon::course_type();
607: # ----------------------------------------------------- Store new submitted one
608: if ($env{'form.action'} eq 'new') {
609: my $startdate =
610: &Apache::lonhtmlcommon::get_date_from_form('startdate');
611: my $enddate =
612: &Apache::lonhtmlcommon::get_date_from_form('enddate');
613: unless ($startdate=~/^\d+$/) { $startdate=time; }
614: unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; }
615: if ($startdate>$enddate) {
616: my $buffer=$startdate;
617: $startdate=$enddate;
618: $enddate=$buffer;
619: }
620: &Apache::lonnet::put('calendar',{
621: $startdate.'_'.$enddate =>
622: $env{'form.msg'} },$coursedom,$coursenum);
623: if ($env{'form.rsspost'}) {
624: my $feed;
625: if ($crstype eq 'Community') {
626: $feed = 'Community_Announcements';
627: } else {
628: $feed = 'Course_Announcements';
629: }
630: &Apache::lonrss::addentry($coursenum,$coursedom,$feed,
631: &mt('Event from [_1] to [_2]',
632: &Apache::lonlocal::locallocaltime($startdate),
633: &Apache::lonlocal::locallocaltime($enddate)),
634: $env{'form.msg'},'/adm/announcements','public');
635: }
636: }
637: # ---------------------------------------------------------------- Remove items
638: if ($env{'form.action'} eq 'del') {
639: my @delwhich=();
640: foreach my $key (keys(%env)) {
641: if ($key=~/^form\.remove\_(.+)$/) {
642: push(@delwhich,$1);
643: }
644: }
645: &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum);
646: }
647: # -------------------------------------------------------- Form to post new one
648: my %tomorrowhash=%todayhash;
649: $tomorrowhash{'day'}++;
650: my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash);
651:
652: &editfield($r,$today,$tomorrow,'',$crstype);
653: }
654: # ----------------------------------------------------- Summarize all calendars
655: my %allcal=&get_all_calendars();
656: # ------------------------------- Initialize table and forward backward buttons
657: my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
658: if ($pm<1) { ($pm,$py)=(12,$year-1); }
659: if ($fm>12){ ($fm,$fy)=(1,$year+1); }
660:
661: $r->print('<h2>'.&mt('Calendar').'</h2>'
662: .'<h3>'.('',&mt('January'),&mt('February'),&mt('March'),
663: &mt('April'),&mt('May'),
664: &mt('June'),&mt('July'),&mt('August'),
665: &mt('September'),&mt('October'),
666: &mt('November'),&mt('December'))[$month].' '.
667: $year.' '.&show_timezone().'</h3>');
668: # Reached the end of times, give up
669: if (($year<1970) || ($year>2037)) {
670: $r->print('<p class="LC_warning">'
671: .&mt('No calendar available for this date.')
672: .'</p>'
673: .'<a href="/adm/announcements?month='.$todayhash{'month'}
674: .'&year='.$todayhash{'year'}.'">'.&mt('Current Month').'</a>'
675: .&Apache::loncommon::end_page());
676: return OK;
677: }
678:
679: my $class = "LC_calendar";
680: if ($env{'form.pickdate'} eq 'yes') {
681: $class .= " LC_calendar_pickdate";
682: }
683: # ------------------------------------------------ Determine first day of a week
684: my $datelocale = &Apache::lonlocal::getdatelocale();
685: my $days_in_week = 7;
686: my $startweek = 0;
687: if (ref($datelocale)) {
688: $startweek = $datelocale->first_day_of_week();
689: if ($startweek == $days_in_week) { $startweek = 0; }
690: }
691: my @days = ('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
692: my @localdays;
693: if ($startweek == 0) {
694: @localdays = @days;
695: } else {
696: my $endday = $days_in_week - $startweek;
697: for (my $i=0; $i<$days_in_week; $i++) {
698: if ($i < $endday) {
699: $localdays[$i] = $days[$i+$startweek];
700: } else {
701: $localdays[$i] = $days[$i-$endday];
702: }
703: }
704: }
705:
706: # ----------------------------------------------------------- Weekday in locale
707: my $loc_weekday = $weekday - $startweek;
708: if ($loc_weekday < 0) {
709: $loc_weekday += $days_in_week;
710: }
711:
712: $r->print(
713: '<a href="/adm/announcements?month='.$pm.'&year='.$py.
714: ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
715: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
716: ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
717: ' <a href="/adm/announcements?month='.$todayhash{'month'}.
718: '&year='.$todayhash{'year'}.
719: ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a><div>'.
720: '<table class="'.$class.'"><tr>');
721: for (my $i=0; $i<@localdays; $i++) {
722: $r->print('<th>'.&mt($localdays[$i]).'</th>');
723: }
724: $r->print('</tr>');
725:
726: my $outp;
727: my $nm;
728:
729: # ---------------------------------------------------------------- Actual table
730: $r->print('<tr>');
731: for (my $i=0;$i<$loc_weekday;$i++) { $r->print(&emptycell); }
732: for (my $i=$loc_weekday;$i<=6;$i++) {
733: ($tk,$nm,$outp)=&showday($tk,0,%allcal);
734: $r->print($outp);
735: }
736: $r->print('</tr>');
737:
738: my $lastrow = 0;
739: my $lastday = 0;
740: for (my $k=0;$k<=4;$k++) {
741: if (!$lastrow) {
742: $r->print('<tr>');
743: for (my $i=0;$i<=6;$i++) {
744: if ($lastday) {
745: $outp = &emptycell();
746: } else {
747: my $currtk = $tk;
748: ($tk,$nm,$outp)=&showday($tk,0,%allcal);
749: if ($month!=$nm) { $lastday = 1; }
750: }
751: $r->print($outp);
752: }
753: if ($lastday) {
754: $lastrow = 1;
755: }
756: $r->print('</tr>');
757: }
758: }
759: # ------------------------------------------------------------------- End table
760: $r->print('</table></div>');
761: # ----------------------------------------------------------------- Check marks
762: undef(%showedcheck);
763: # --------------------------------------------------------------- Remove button
764: if ($allowed) { $r->print('<br /><input type="button" onClick="removesub()" value="'.&mt('Remove Checked Entries').'">'.
765: &Apache::loncommon::help_open_topic('Calendar_Remove_Announcement').'</form>'); }
766: $r->print('<p>'.
767: '<a href="/adm/announcements?month='.$pm.'&year='.$py.
768: ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
769: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
770: ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
771: ' <a href="/adm/announcements?month='.$todayhash{'month'}.
772: '&year='.$todayhash{'year'}.
773: ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a></p>'.
774: ($pickdatemode?'</font>':'').
775: '<a href="/adm/announcements.ics">'.&mt('Download your Calendar as iCalendar File').'</a>'.
776: &Apache::loncommon::end_page());
777: return OK;
778: }
779:
780: 1;
781: __END__
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