Annotation of loncom/interface/lonannounce.pm, revision 1.73
1.1 www 1: # The LearningOnline Network
1.2 www 2: # Announce
1.1 www 3: #
1.73 ! bisitz 4: # $Id: lonannounce.pm,v 1.72 2008/09/25 01:39:29 raeburn Exp $
1.1 www 5: #
1.3 www 6: # Copyright Michigan State University Board of Trustees
1.1 www 7: #
1.3 www 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
1.1 www 9: #
1.3 www 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.
1.1 www 14: #
1.3 www 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:
1.2 www 29: package Apache::lonannounce;
1.1 www 30:
31: use strict;
32: use Apache::Constants qw(:common);
1.3 www 33: use Apache::loncommon;
1.8 matthew 34: use Apache::lonhtmlcommon();
1.20 www 35: use Apache::lonlocal;
1.43 albertel 36: use Apache::lonnavmaps();
1.36 www 37: use Apache::lonrss();
1.34 albertel 38: use Apache::lonnet;
1.15 www 39: use HTML::Entities();
1.63 albertel 40: use LONCAPA qw(:match);
1.71 raeburn 41: use DateTime;
42: use DateTime::TimeZone;
1.3 www 43:
1.12 www 44: my %todayhash;
1.16 www 45: my %showedcheck;
1.12 www 46:
1.10 www 47: sub editfield {
48: my ($r,$start,$end,$text)=@_;
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);
1.55 albertel 56: my $help=&Apache::loncommon::help_open_menu('Calendar Add Announcement','Calendar_Add_Announcement',274,'Communication Tools');
1.73 ! bisitz 57: my %lt=&Apache::lonlocal::texthash('annon' => 'Course Announcements',
! 58: 'post' => 'Post Announcement',
1.36 www 59: 'start' => 'Starting date',
60: 'end' => 'Ending date',
1.37 www 61: 'incrss' => 'Include in course RSS newsfeed');
1.36 www 62:
1.10 www 63: $r->print(<<ENDFORM);
1.73 ! bisitz 64: <h2>$lt{'annon'} $help</h2>
1.10 www 65: <form name="anno" method="post">
1.36 www 66: <input type="hidden" value='' name="action" />
67: <table><tr><td>$lt{'start'}:</td><td>$startdateform</td></tr>
68: <tr><td>$lt{'end'}:</td><td>$enddateform</td></tr></table>
1.10 www 69: <textarea name="msg" rows="4" cols="60">$text</textarea>
1.36 www 70: <br />
1.46 albertel 71: <label><input type="checkbox" name="rsspost" /> $lt{'incrss'}</label>
1.36 www 72: <br /><input type="button" onClick="trysubmit()" value="$lt{'post'}" /><hr />
1.10 www 73: ENDFORM
74: }
75:
1.3 www 76: sub readcalendar {
77: my $courseid=shift;
1.34 albertel 78: my $coursenum=$env{'course.'.$courseid.'.num'};
79: my $coursedom=$env{'course.'.$courseid.'.domain'};
1.69 raeburn 80: if ($coursenum eq '' || $coursedom eq '') {
81: my %courseinfo=&Apache::lonnet::coursedescription($courseid);
82: if ($coursenum eq '' && exists($courseinfo{'num'})) {
83: $coursenum = $courseinfo{'num'};
84: }
85: if ($coursedom eq '' && exists($courseinfo{'domain'})) {
86: $coursedom = $courseinfo{'domain'};
87: }
88: }
89:
1.3 www 90: my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum);
91: my %returnhash=();
1.42 albertel 92: foreach my $item (keys(%thiscal)) {
93: unless (($item=~/^error\:/) || ($thiscal{$item}=~/^error\:/)) {
1.64 albertel 94: my ($start,$end)=split('_',$item);
95: $returnhash{join("\0",$courseid,$start,$end)}=$thiscal{$item};
1.3 www 96: }
97: }
1.61 albertel 98: my $can_see_hidden = ($env{'request.role.adv'} &&
99: ($courseid eq $env{'request.course.id'}));
100:
101: my $navmap;
102: if ($courseid eq $env{'request.course.id'}) {
103: $navmap = Apache::lonnavmaps::navmap->new();
104: }
1.68 albertel 105:
106: my $resourcedata=
1.65 albertel 107: &Apache::lonnet::get_courseresdata($coursenum,$coursedom);
1.69 raeburn 108: if (ref($resourcedata) ne 'HASH') {
109: return %returnhash;
110: }
1.68 albertel 111: foreach my $thiskey (keys(%$resourcedata)) {
112: if ($resourcedata->{$thiskey.'.type'}=~/^date/) {
1.53 www 113: my ($course,$middle,$part,$name)=
1.68 albertel 114: ($thiskey=~/^(\Q$courseid\E)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
115:
1.56 albertel 116: my %data = ( 'section' => &mt('All Students'));
1.53 www 117: if ($middle=~/^\[(.*)\]\./) {
118: my $sec=$1;
119: # if we have a section don't show ones that aren't ours
120: if ($env{'request.course.sec'} &&
121: $env{'request.course.sec'} ne $sec) { next; }
122: # if a student without a section don't show any section ones
123: if (!$env{'request.role.adv'} &&
124: !$env{'request.course.sec'}) { next; }
1.56 albertel 125: $data{'section'}=&mt('Group/Section').': '.$1;
1.53 www 126: $middle=~s/^\[(.*)\]\.//;
127: }
128: $middle=~s/\.$//;
1.56 albertel 129: $data{'realm'}=&mt('All Resources');
1.53 www 130: if ($middle eq '___(all)') {
131: if (!$can_see_hidden && !$navmap) {
132: next;
133: }
134: } elsif ($middle=~/^(.+)\_\_\_\(all\)$/) {
135: my $map_url=$1;
136: if (!$can_see_hidden && !$navmap) {
137: next;
138: }
139: if (!$can_see_hidden) {
140: my $res = $navmap->getResourceByUrl($map_url);
1.68 albertel 141: if ($res && $res->randomout()) {
142: next;
143: }
1.26 www 144: }
1.56 albertel 145: $data{'realm'}=&mt('Folder/Map');
146: $data{'url'} = $map_url;
1.53 www 147: } elsif ($middle) {
148: if (!$can_see_hidden && !$navmap) {
149: next;
1.26 www 150: }
1.53 www 151: if (!$can_see_hidden) {
152: my $res = $navmap->getBySymb($middle);
1.68 albertel 153: if ($res && $res->randomout()) {
154: next;
155: }
1.53 www 156: }
1.56 albertel 157: $data{'realm'} = &mt('Resource');
158: $data{'symb'} = $middle;
1.53 www 159: }
1.56 albertel 160: $data{'datetype'} = $name;
1.53 www 161: if ($name eq 'duedate') {
1.56 albertel 162: $data{'datetype'} = &mt('Due');
1.28 www 163: # see if accidentally answerdate is before duedate
1.53 www 164: my $answerkey=$thiskey;
165: $answerkey=~s/duedate$/answerdate/;
1.68 albertel 166: if ($resourcedata->{$thiskey}>$resourcedata->{$answerkey}) {
1.56 albertel 167: $data{'datetype'} = &mt('Due and Answer Available');
1.28 www 168: }
1.53 www 169: }
1.56 albertel 170: if ($name eq 'opendate'
171: || $name eq 'contentopen' ) {
172: $data{'datetype'}=&mt('Opening');
173: }
174: if ($name eq 'contentclose') {
175: $data{'datetype'}=&mt('Closing');
176: }
1.53 www 177: if ($name eq 'answerdate') {
1.28 www 178: # see if accidentally answerdate is before duedate
1.53 www 179: my $duekey=$thiskey;
180: $duekey=~s/answerdate$/duedate/;
1.68 albertel 181: if ($resourcedata->{$duekey}>$resourcedata->{$thiskey}) {
1.28 www 182: # forget it
1.53 www 183: next;
184: }
1.56 albertel 185: $data{'datetype'}=&mt('Answer Available');
1.53 www 186: }
1.64 albertel 187: $returnhash{join("\0",$courseid,
1.68 albertel 188: $resourcedata->{$thiskey},
189: $resourcedata->{$thiskey})}=\%data;
1.26 www 190: }
191: }
1.3 www 192: return %returnhash;
193: }
194:
195: sub emptycell {
1.49 albertel 196: return '<td class="LC_calendar_day_empty"> </td>';
1.3 www 197: }
198:
199: sub normalcell {
1.56 albertel 200: my ($day,$month,$year,$items_ref)=@_;
1.51 albertel 201: my $output;
1.56 albertel 202: my @items=&order($items_ref);
1.40 albertel 203: foreach my $item (@items) {
204: if ($item) {
1.56 albertel 205: my ($courseid,$start,$end,$msg)=@$item;
206: my $internalflag= (ref($msg)) ? 1 : 0;
207: $msg = &display_msg($msg);
1.34 albertel 208: my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
1.32 www 209: '\n'.&Apache::lonlocal::locallocaltime($start);
1.26 www 210: if ($start!=$end) {
211: $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
212: }
1.32 www 213: $fullmsg.=':\n'.$msg;
1.56 albertel 214: $fullmsg=~s/[\n\r]/\\n/gs;
215: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
216: $fullmsg=~s/&/\\&/g;
217: my $short_msg = substr($msg,0,20).((length($msg) > 20)?'...':'');
218: if (defined($output)) { $output.='<br />'; }
1.34 albertel 219: if ($courseid eq $env{'request.course.id'}) {
220: if ((&Apache::lonnet::allowed('srm',$env{'request.course.id'}))
1.19 www 221: && (!$showedcheck{$start.'_'.$end})
1.34 albertel 222: && ($env{'form.pickdate'} ne 'yes')
1.26 www 223: && (!$internalflag)) {
1.5 www 224: $output.='<input type="checkbox" name="remove_'.$start.'_'.
225: $end.'">';
1.16 www 226: $showedcheck{$start.'_'.$end}=1;
1.5 www 227: }
228: }
229: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.51 albertel 230: $short_msg.'</a>';
1.4 www 231: }
232: }
1.49 albertel 233: return '<td class="LC_calendar_day'.
1.12 www 234: ((($day eq $todayhash{'day'}) &&
235: ($month eq $todayhash{'month'}) &&
1.49 albertel 236: ($year eq $todayhash{'year'}))?'_current':'').
237: '" ><b>'.&picklink($day,$day,$month,$year).'</b><br />'.$output.'</td>';
1.3 www 238: }
239:
1.11 www 240: sub plaincell {
1.56 albertel 241: my ($items_ref)=@_;
1.51 albertel 242: my $output;
1.56 albertel 243: my @items=&order($items_ref);
1.40 albertel 244: foreach my $item (@items) {
1.56 albertel 245: if (ref($item)) {
246: my ($courseid,$start,$end,$msg)=@$item;
1.34 albertel 247: my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
1.32 www 248: '\n'.&Apache::lonlocal::locallocaltime($start);
1.26 www 249: if ($start!=$end) {
250: $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
251: }
1.56 albertel 252: $msg = &display_msg($msg);
1.32 www 253: $fullmsg.=':\n'.$msg;
254: $fullmsg=~s/[\n\r]/\\n/gs;
1.15 www 255: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
256: $fullmsg=~s/&/\\&/g;
1.51 albertel 257: my $short_msg = substr($msg,0,80).((length($msg) > 80)?'...':'');
258: if (defined($output)) { $output.='<br />'; }
1.11 www 259: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.51 albertel 260: $short_msg.'</a>';
1.11 www 261: }
262: }
263: return $output;
264: }
265:
266: sub listcell {
1.56 albertel 267: my ($items_ref)=@_;
1.11 www 268: my $output='';
1.56 albertel 269: my @items=&order($items_ref);
1.40 albertel 270: foreach my $item (@items) {
1.56 albertel 271: if (ref($item)) {
272: my ($courseid,$start,$end,$msg)=@$item;
273: my $fullmsg=&Apache::lonlocal::locallocaltime($start);
1.26 www 274: if ($start!=$end) {
275: $fullmsg.=&mt(' to ').
276: &Apache::lonlocal::locallocaltime($end);
277: }
1.56 albertel 278: $fullmsg.=':<br /><b>'.&display_msg($msg).'</b>';
1.11 www 279: $output.='<li>'.$fullmsg.'</li>';
280: }
281: }
282: return $output;
283: }
284:
1.40 albertel 285: sub order {
1.56 albertel 286: my ($items)=@_;
287: return sort {
288: my ($astart,$aend)=$a->[1,2];
289: my ($bstart,$bend)=$b->[1,2];
1.40 albertel 290: if ($astart != $bstart) {
291: return $astart <=> $bstart;
292: }
293: return $aend <=> $bend;
1.56 albertel 294: } @$items;
1.40 albertel 295: }
296:
1.3 www 297: sub nextday {
1.71 raeburn 298: my ($tk,%th)=@_;
299: my ($incmonth,$incyear);
300: if ($th{'day'} > 27) {
301: if ($th{'month'} == 2) {
302: if ($th{'day'} == 29) {
303: $incmonth = 1;
304: } elsif ($th{'day'} == 28) {
305: if (!&is_leap_year($tk)) {
306: $incmonth = 1;
307: }
308: }
309: } elsif (($th{'month'} == 4) || ($th{'month'} == 6) ||
310: ($th{'month'} == 9) || ($th{'month'} == 11)) {
311: if ($th{'day'} == 30) {
312: $incmonth = 1;
313: }
314: } elsif ($th{'day'} == 31) {
315: if ($th{'month'} == 12) {
316: $incyear = 1;
317: } else {
318: $incmonth = 1;
319: }
320: }
321: if ($incyear) {
322: $th{'day'} = 1;
323: $th{'month'} = 1;
324: $th{'year'}++;
325: } elsif ($incmonth) {
326: $th{'day'} = 1;
327: $th{'month'}++;
328: } else {
329: $th{'day'}++;
330: }
331: } else {
332: $th{'day'}++;
333: }
1.3 www 334: return (&Apache::loncommon::maketime(%th),$th{'month'});
335: }
336:
1.71 raeburn 337: sub is_leap_year {
338: my ($thistime) = @_;
339: my ($is_leap,$timezone,$dt);
340: $timezone = &Apache::lonlocal::gettimezone();
341: eval {
342: $dt = DateTime->from_epoch(epoch => $thistime)
343: ->set_time_zone($timezone);
344: };
345: if (!$@) {
346: $is_leap = $dt->is_leap_year;
347: }
348: return $is_leap;
349: }
350:
1.56 albertel 351: sub display_msg {
352: my ($msg) = @_;
353:
354: # if it's not a ref, it's an instructor provided message
355: return $msg if (!ref($msg));
356:
357: my $output = $msg->{'datetype'}. ': '.$msg->{'realm'};
358: if (exists($msg->{'url'})) {
1.59 www 359: my $displayurl=&Apache::lonnet::gettitle($msg->{'url'});
360: if ($msg->{'url'}!~/\Q$displayurl\E$/) {
361: $output .= ' - '.$displayurl;
362: }
1.56 albertel 363: }
364: if (exists($msg->{'symb'})) {
1.59 www 365: my $displaysymb=&Apache::lonnet::gettitle($msg->{'symb'});
366: if ($msg->{'symb'}!~/\Q$displaysymb\E$/) {
367: $output .= ' - '.$displaysymb;
368: }
1.56 albertel 369: }
370: $output .= ' ('.$msg->{'section'}.') ';
371: return $output;
372: }
373:
1.3 www 374: sub showday {
1.11 www 375: my ($tk,$mode,%allcal)=@_;
1.3 www 376: my %th=&Apache::loncommon::timehash($tk);
1.71 raeburn 377: my ($nextday,$nextmonth)=&nextday($tk,%th);
1.56 albertel 378: my @outp;
1.27 www 379: if ($mode) {
380: my $oneday=24*3600;
381: $tk-=$oneday;
382: $nextday+=$oneday;
383: }
1.40 albertel 384: foreach my $item (keys(%allcal)) {
1.64 albertel 385: my ($courseid,$startdate,$enddate)= split("\0",$item);
386: if (($startdate<$nextday) && ($enddate>=$tk)) {
387: push(@outp,[$courseid,$startdate,$enddate,$allcal{$item}]);
1.3 www 388: }
389: }
1.11 www 390: unless ($mode) {
1.12 www 391: return ($nextday,$nextmonth,&normalcell(
1.56 albertel 392: $th{'day'},$th{'month'},$th{'year'},\@outp));
393: } elsif (@outp) {
1.11 www 394: if ($mode==1) {
1.56 albertel 395: return '<br />'.&plaincell(\@outp);
1.11 www 396: } else {
1.56 albertel 397: return '<ul>'.&listcell(\@outp).'</ul>';
1.11 www 398: }
399: } else {
400: return '';
401: }
1.3 www 402: }
1.1 www 403:
1.19 www 404: sub picklink {
405: my ($text,$day,$month,$year)=@_;
1.34 albertel 406: if ($env{'form.pickdate'} eq 'yes') {
1.19 www 407: return '<a href="javascript:dialin('.$day.','.$month.','.$year.')">'.
408: $text.'</a>';
409: } else {
410: return $text;
411: }
412: }
413:
414: sub dialscript {
415: return (<<ENDDIA);
416: <script language="Javascript">
417: function dialin(day,month,year) {
1.34 albertel 418: opener.document.$env{'form.formname'}.$env{'form.element'}\_year.value=year;
419: var slct=opener.document.$env{'form.formname'}.$env{'form.element'}\_month;
1.19 www 420: var i;
421: for (i=0;i<slct.length;i++) {
422: if (slct.options[i].value==month) { slct.selectedIndex=i; }
423: }
1.34 albertel 424: opener.document.$env{'form.formname'}.$env{'form.element'}\_day.value=day;
425: opener.$env{'form.element'}\_checkday();
1.19 www 426: self.close();
427: }
428: </script>
429: ENDDIA
430: }
1.52 www 431: # ----------------------------------------------------- Summarize all calendars
432: sub get_all_calendars {
433: my %allcal=();
1.62 raeburn 434: my %courses = &Apache::loncommon::findallcourses();
435: foreach my $course (sort(keys(%courses))) {
1.52 www 436: %allcal=(%allcal,&readcalendar($course));
437: }
438: return %allcal;
439: }
440:
441: sub output_ics_file {
442: my ($r)=@_;
443: # RFC 2445 wants CRLF
444: my $crlf="\015\012";
445: # Header
446: $r->print("BEGIN:VCALENDAR$crlf");
447: $r->print("VERSION:2.0$crlf");
448: $r->print("PRODID:-//LONCAPA//LONCAPA Calendar Output//EN$crlf");
449: my %allcal=&get_all_calendars();
450: foreach my $event (keys(%allcal)) {
1.64 albertel 451: my ($courseid,$startdate,$enddate)= split('\0',$event);
1.53 www 452: my $uid=$event;
453: $uid=~s/[\W\_]/-/gs;
454: $uid.='@loncapa';
1.56 albertel 455: my $summary=&display_msg($allcal{$event});
1.53 www 456: $summary=~s/\s+/ /gs;
457: $summary=$env{'course.'.$courseid.'.description'}.': '.$summary;
1.52 www 458: $r->print("BEGIN:VEVENT$crlf");
459: $r->print("DTSTART:".&Apache::loncommon::utc_string($startdate).$crlf);
460: $r->print("DTEND:".&Apache::loncommon::utc_string($enddate).$crlf);
1.53 www 461: $r->print("SUMMARY:$summary$crlf");
462: $r->print("UID:$uid$crlf");
1.52 www 463: $r->print("END:VEVENT$crlf");
464: }
465: # Footer
466: $r->print("END:VCALENDAR$crlf");
467: }
1.19 www 468:
1.71 raeburn 469: sub show_timezone {
470: my $tzone = &Apache::lonlocal::gettimezone();
471: my $dt = DateTime->now();
472: my $tz = DateTime::TimeZone->new( name => $tzone );
473: return &mt('([_1] time zone)',$tz->short_name_for_datetime($dt));
474: }
475:
1.1 www 476: sub handler {
477: my $r = shift;
1.52 www 478: if ($r->uri=~/\.(ics|ical)$/) {
479: &Apache::loncommon::content_type($r,'text/calendar');
480: &output_ics_file($r);
481: return OK;
482: }
1.21 www 483: &Apache::loncommon::content_type($r,'text/html');
1.1 www 484: $r->send_http_header;
485: return OK if $r->header_only;
486:
1.3 www 487: # ---------------------------------------------------------- Get time right now
488: my $today=time;
1.12 www 489: %todayhash=&Apache::loncommon::timehash($today);
1.16 www 490: # ----------------------------------------------------------------- Check marks
1.49 albertel 491: undef(%showedcheck);
1.3 www 492: # ---------------------------------------------------------- Get month and year
493: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.19 www 494: ['month','year','pickdate','formname','element']);
1.3 www 495: # --------------------------------------------------- Decide what month to show
496: my $year=$todayhash{'year'};
1.34 albertel 497: if ($env{'form.year'}) { $year=$env{'form.year'}; }
1.3 www 498: my $month=$todayhash{'month'};
1.34 albertel 499: if ($env{'form.month'}) { $month=$env{'form.month'}; }
1.18 www 500:
501: # ---------------------------------------------- See if we are in pickdate mode
1.34 albertel 502: my $pickdatemode=($env{'form.pickdate'} eq 'yes');
503: my $pickinfo='&pickdate=yes&formname='.$env{'form.formname'}.
504: '&element='.$env{'form.element'};
1.3 www 505: # --------------------------------------------- Find out first day of the month
506:
1.71 raeburn 507: my $tk = &Apache::loncommon::maketime( 'day' => 1,
508: 'month'=> $month,
509: 'year' => $year,
510: 'hour' => 0,
511: 'minute' => 0,
512: 'second' => 0);
513: my %firstday = &Apache::loncommon::timehash($tk);
1.3 www 514: my $weekday=$firstday{'weekday'};
1.71 raeburn 515:
1.3 www 516: # ------------------------------------------------------------ Print the screen
1.47 albertel 517: my $js = <<ENDDOCUMENT;
518: <script type="text/javascript">
1.3 www 519:
520: function trysubmit() {
521: document.anno.action.value="new";
522: document.anno.submit();
523: }
524:
525: function removesub() {
526: document.anno.action.value="del";
527: document.anno.submit();
528: }
529: </script>
1.1 www 530: ENDDOCUMENT
1.47 albertel 531:
1.18 www 532: if ($pickdatemode) {
533: # no big header in pickdate mode
1.47 albertel 534: $r->print(&Apache::loncommon::start_page("Pick a Date",$js,
535: {'only_body' => 1,}).
1.19 www 536: &dialscript().
1.18 www 537: '<font size="1">');
538: } else {
1.47 albertel 539: $r->print(&Apache::loncommon::start_page("Announcements and Calendar",
540: $js));
1.18 www 541: }
1.3 www 542: # does this user have privileges to post, etc?
543: my $allowed=0;
1.34 albertel 544: if ($env{'request.course.id'}) {
545: $allowed=&Apache::lonnet::allowed('srm',$env{'request.course.id'});
1.3 www 546: }
1.17 www 547: # does this user have privileges to post to servers?
548: my $serverpost=0;
1.34 albertel 549: if ($env{'request.role.domain'}) {
1.17 www 550: $serverpost=&Apache::lonnet::allowed('psa',
1.34 albertel 551: $env{'request.role.domain'});
1.17 www 552: } else {
553: $serverpost=&Apache::lonnet::allowed('psa','/');
554: }
1.18 www 555: # -------------------------------- BUT: do no fancy stuff when in pickdate mode
556: if ($pickdatemode) {
557: $serverpost=0;
558: $allowed=0;
559: }
1.17 www 560: # ------------------------------------------------------------ Process commands
561: if ($serverpost) {
1.34 albertel 562: if ($env{'form.serveraction'}) {
1.42 albertel 563: foreach my $key (keys(%env)) {
564: if ($key=~/^form\.postto\_(\w+)/) {
1.17 www 565: $r->print(
566: '<br />Posting '.$1.': '.&Apache::lonnet::postannounce
1.34 albertel 567: ($1,$env{'form.serverannnounce'}));
1.17 www 568: }
569: }
570: }
1.73 ! bisitz 571: $r->print('<form name="serveranno" method="post">'
! 572: .'<h2>'.&mt('Post Server Announcements').'</h2>'
! 573: .&mt('Post announcements to the system login and roles screen').'<br />'
! 574: .'<i>'.&mt('(leave blank to delete announcement)').'</i><br />'
! 575: .'<textarea name="serverannnounce" cols="60" rows="5"></textarea><br />'
! 576: .&mt('Check machines:').'<br />'
! 577: );
1.17 www 578: # list servers
1.66 albertel 579: my %hostname = &Apache::lonnet::all_hostnames();
580: foreach my $host (sort(keys(%hostname))) {
1.67 albertel 581: if (&Apache::lonnet::allowed('psa',
582: &Apache::lonnet::host_domain($host))) {
1.73 ! bisitz 583: $r->print ('<label><input type="checkbox" name="postto_'.$host.'" /> '.
1.66 albertel 584: $host.' <tt>'.$hostname{$host}.'</tt> '.
585: '</label><a href="http://'.$hostname{$host}.
1.73 ! bisitz 586: '/announcement.txt?time='.time.'" target="annowin">'.
! 587: &mt('Current Announcement').'</a><br />');
1.17 www 588: }
589: }
590: $r->print(
1.73 ! bisitz 591: '<br /><input type="submit" name="serveraction" value="'.&mt('Post').'"></form><hr />');
1.17 www 592: }
1.3 www 593: if ($allowed) {
1.34 albertel 594: my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
595: my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.3 www 596: # ----------------------------------------------------- Store new submitted one
1.34 albertel 597: if ($env{'form.action'} eq 'new') {
1.9 www 598: my $startdate =
599: &Apache::lonhtmlcommon::get_date_from_form('startdate');
600: my $enddate =
601: &Apache::lonhtmlcommon::get_date_from_form('enddate');
602: unless ($startdate=~/^\d+$/) { $startdate=time; }
603: unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; }
604: if ($startdate>$enddate) {
605: my $buffer=$startdate;
606: $startdate=$enddate;
607: $enddate=$buffer;
608: }
1.3 www 609: &Apache::lonnet::put('calendar',{
1.9 www 610: $startdate.'_'.$enddate =>
1.34 albertel 611: $env{'form.msg'} },$coursedom,$coursenum);
1.36 www 612: if ($env{'form.rsspost'}) {
613: &Apache::lonrss::addentry($coursenum,$coursedom,'Course_Announcements',
614: &mt('Event from [_1] to [_2]',
615: &Apache::lonlocal::locallocaltime($startdate),
616: &Apache::lonlocal::locallocaltime($enddate)),
617: $env{'form.msg'},'/adm/announcements','public');
618: }
1.3 www 619: }
620: # ---------------------------------------------------------------- Remove items
1.34 albertel 621: if ($env{'form.action'} eq 'del') {
1.3 www 622: my @delwhich=();
1.42 albertel 623: foreach my $key (keys(%env)) {
624: if ($key=~/^form\.remove\_(.+)$/) {
1.3 www 625: push(@delwhich,$1);
626: }
627: }
628: &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum);
629: }
630: # -------------------------------------------------------- Form to post new one
631: my %tomorrowhash=%todayhash;
632: $tomorrowhash{'day'}++;
633: my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash);
634:
1.10 www 635: &editfield($r,$today,$tomorrow,'');
1.3 www 636: }
1.5 www 637: # ----------------------------------------------------- Summarize all calendars
1.52 www 638: my %allcal=&get_all_calendars();
1.5 www 639: # ------------------------------- Initialize table and forward backward buttons
1.3 www 640: my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
641: if ($pm<1) { ($pm,$py)=(12,$year-1); }
642: if ($fm>12){ ($fm,$fy)=(1,$year+1); }
1.14 www 643:
1.73 ! bisitz 644: $r->print('<h2>'.&mt('Calendar').'</h2>'
! 645: .'<h3>'.('',&mt('January'),&mt('February'),&mt('March'),
1.20 www 646: &mt('April'),&mt('May'),
647: &mt('June'),&mt('July'),&mt('August'),
648: &mt('September'),&mt('October'),
649: &mt('November'),&mt('December'))[$month].' '.
1.73 ! bisitz 650: $year.' '.&show_timezone().'</h3>');
1.13 www 651: # Reached the end of times, give up
652: if (($year<1970) || ($year>2037)) {
1.73 ! bisitz 653: $r->print('<p class="LC_warning">'
! 654: .&mt('No calendar available for this date.')
! 655: .'</p>'
! 656: .'<a href="/adm/announcements?month='.$todayhash{'month'}
! 657: .'&year='.$todayhash{'year'}.'">'.&mt('Current Month').'</a>'
! 658: .&Apache::loncommon::end_page());
1.13 www 659: return OK;
660: }
1.49 albertel 661:
662: my $class = "LC_calendar";
663: if ($env{'form.pickdate'} eq 'yes') {
664: $class .= " LC_calendar_pickdate";
665: }
1.71 raeburn 666: # ------------------------------------------------ Determine first day of a week
667: my $datelocale = &Apache::lonlocal::getdatelocale();
668: my $days_in_week = 7;
669: my $startweek = 0;
670: if (ref($datelocale)) {
671: $startweek = $datelocale->first_day_of_week();
672: if ($startweek == $days_in_week) { $startweek = 0; }
673: }
674: my @days = ('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
675: my @localdays;
676: if ($startweek == 0) {
677: @localdays = @days;
678: } else {
679: my $endday = $days_in_week - $startweek;
680: for (my $i=0; $i<$days_in_week; $i++) {
681: if ($i < $endday) {
682: $localdays[$i] = $days[$i+$startweek];
683: } else {
684: $localdays[$i] = $days[$i-$endday];
685: }
686: }
687: }
688:
689: # ----------------------------------------------------------- Weekday in locale
690: my $loc_weekday = $weekday - $startweek;
691: if ($loc_weekday < 0) {
692: $loc_weekday += $days_in_week;
693: }
694:
1.13 www 695: $r->print(
1.18 www 696: '<a href="/adm/announcements?month='.$pm.'&year='.$py.
1.20 www 697: ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
1.18 www 698: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
1.20 www 699: ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
1.12 www 700: ' <a href="/adm/announcements?month='.$todayhash{'month'}.
1.18 www 701: '&year='.$todayhash{'year'}.
1.20 www 702: ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a><p>'.
1.71 raeburn 703: '<table class="'.$class.'" cols="7" rows="5"><tr>');
704: for (my $i=0; $i<@localdays; $i++) {
705: $r->print('<th>'.&mt($localdays[$i]).'</th>');
706: }
707: $r->print('</tr>');
1.3 www 708:
709: my $outp;
710: my $nm;
711:
712: # ---------------------------------------------------------------- Actual table
713: $r->print('<tr>');
1.71 raeburn 714: for (my $i=0;$i<$loc_weekday;$i++) { $r->print(&emptycell); }
715: for (my $i=$loc_weekday;$i<=6;$i++) {
1.11 www 716: ($tk,$nm,$outp)=&showday($tk,0,%allcal);
1.3 www 717: $r->print($outp);
718: }
719: $r->print('</tr>');
720:
1.71 raeburn 721: my $lastrow = 0;
722: my $lastday = 0;
1.23 www 723: for (my $k=0;$k<=4;$k++) {
1.71 raeburn 724: if (!$lastrow) {
725: $r->print('<tr>');
726: for (my $i=0;$i<=6;$i++) {
727: if ($lastday) {
728: $outp = &emptycell();
729: } else {
730: my $currtk = $tk;
731: ($tk,$nm,$outp)=&showday($tk,0,%allcal);
732: if ($month!=$nm) { $lastday = 1; }
733: }
734: $r->print($outp);
735: }
736: if ($lastday) {
737: $lastrow = 1;
738: }
739: $r->print('</tr>');
1.3 www 740: }
741: }
742: # ------------------------------------------------------------------- End table
1.7 matthew 743: $r->print('</table>');
1.16 www 744: # ----------------------------------------------------------------- Check marks
1.49 albertel 745: undef(%showedcheck);
1.16 www 746: # --------------------------------------------------------------- Remove button
1.73 ! bisitz 747: if ($allowed) { $r->print('<br /><input type="button" onClick="removesub()" value="'.&mt('Remove Checked Entries').'">'.
1.24 www 748: &Apache::loncommon::help_open_topic('Calendar_Remove_Announcement').'</form>'); }
1.7 matthew 749: $r->print('<p>'.
1.18 www 750: '<a href="/adm/announcements?month='.$pm.'&year='.$py.
1.20 www 751: ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
1.18 www 752: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
1.20 www 753: ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
1.12 www 754: ' <a href="/adm/announcements?month='.$todayhash{'month'}.
1.18 www 755: '&year='.$todayhash{'year'}.
1.20 www 756: ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a></p>'.
1.47 albertel 757: ($pickdatemode?'</font>':'').&Apache::loncommon::end_page());
1.53 www 758: $r->print('<a href="/adm/announcements.ics">'.&mt('Download your Calendar as iCalendar File').'</a>');
1.1 www 759: return OK;
760: }
761:
762: 1;
763: __END__
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