Annotation of loncom/interface/lonannounce.pm, revision 1.84
1.1 www 1: # The LearningOnline Network
1.2 www 2: # Announce
1.1 www 3: #
1.84 ! bisitz 4: # $Id: lonannounce.pm,v 1.83 2012/02/22 18:38:29 bisitz 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 {
1.80 raeburn 48: my ($r,$start,$end,$text,$crstype)=@_;
1.10 www 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);
1.74 amueller 56: #my $help=&Apache::loncommon::help_open_menu('Calendar Add Announcement','Calendar_Add_Announcement',274,'Communication Tools');
57: my $help=&Apache::loncommon::help_open_topic('Calendar_Add_Announcement');
58:
1.73 bisitz 59: my %lt=&Apache::lonlocal::texthash('annon' => 'Course Announcements',
60: 'post' => 'Post Announcement',
1.36 www 61: 'start' => 'Starting date',
62: 'end' => 'Ending date',
1.37 www 63: 'incrss' => 'Include in course RSS newsfeed');
1.80 raeburn 64: if ($crstype eq 'Community') {
1.82 raeburn 65: $lt{'annon'} = &mt('Community Announcements');
1.80 raeburn 66: $lt{'incrss'} = &mt('Include in community RSS newsfeed');
67: }
1.36 www 68:
1.10 www 69: $r->print(<<ENDFORM);
1.73 bisitz 70: <h2>$lt{'annon'} $help</h2>
1.10 www 71: <form name="anno" method="post">
1.36 www 72: <input type="hidden" value='' name="action" />
73: <table><tr><td>$lt{'start'}:</td><td>$startdateform</td></tr>
74: <tr><td>$lt{'end'}:</td><td>$enddateform</td></tr></table>
1.10 www 75: <textarea name="msg" rows="4" cols="60">$text</textarea>
1.36 www 76: <br />
1.46 albertel 77: <label><input type="checkbox" name="rsspost" /> $lt{'incrss'}</label>
1.36 www 78: <br /><input type="button" onClick="trysubmit()" value="$lt{'post'}" /><hr />
1.10 www 79: ENDFORM
80: }
81:
1.3 www 82: sub readcalendar {
83: my $courseid=shift;
1.34 albertel 84: my $coursenum=$env{'course.'.$courseid.'.num'};
85: my $coursedom=$env{'course.'.$courseid.'.domain'};
1.69 raeburn 86: if ($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 = $courseinfo{'domain'};
93: }
94: }
95:
1.3 www 96: my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum);
97: my %returnhash=();
1.42 albertel 98: foreach my $item (keys(%thiscal)) {
99: unless (($item=~/^error\:/) || ($thiscal{$item}=~/^error\:/)) {
1.64 albertel 100: my ($start,$end)=split('_',$item);
101: $returnhash{join("\0",$courseid,$start,$end)}=$thiscal{$item};
1.3 www 102: }
103: }
1.61 albertel 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: }
1.68 albertel 111:
112: my $resourcedata=
1.65 albertel 113: &Apache::lonnet::get_courseresdata($coursenum,$coursedom);
1.69 raeburn 114: if (ref($resourcedata) ne 'HASH') {
115: return %returnhash;
116: }
1.68 albertel 117: foreach my $thiskey (keys(%$resourcedata)) {
118: if ($resourcedata->{$thiskey.'.type'}=~/^date/) {
1.53 www 119: my ($course,$middle,$part,$name)=
1.68 albertel 120: ($thiskey=~/^(\Q$courseid\E)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
121:
1.56 albertel 122: my %data = ( 'section' => &mt('All Students'));
1.53 www 123: if ($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; }
1.56 albertel 131: $data{'section'}=&mt('Group/Section').': '.$1;
1.53 www 132: $middle=~s/^\[(.*)\]\.//;
133: }
134: $middle=~s/\.$//;
1.56 albertel 135: $data{'realm'}=&mt('All Resources');
1.53 www 136: if ($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);
1.68 albertel 147: if ($res && $res->randomout()) {
148: next;
149: }
1.26 www 150: }
1.56 albertel 151: $data{'realm'}=&mt('Folder/Map');
152: $data{'url'} = $map_url;
1.53 www 153: } elsif ($middle) {
154: if (!$can_see_hidden && !$navmap) {
155: next;
1.26 www 156: }
1.53 www 157: if (!$can_see_hidden) {
158: my $res = $navmap->getBySymb($middle);
1.68 albertel 159: if ($res && $res->randomout()) {
160: next;
161: }
1.53 www 162: }
1.56 albertel 163: $data{'realm'} = &mt('Resource');
164: $data{'symb'} = $middle;
1.53 www 165: }
1.56 albertel 166: $data{'datetype'} = $name;
1.53 www 167: if ($name eq 'duedate') {
1.56 albertel 168: $data{'datetype'} = &mt('Due');
1.28 www 169: # see if accidentally answerdate is before duedate
1.53 www 170: my $answerkey=$thiskey;
171: $answerkey=~s/duedate$/answerdate/;
1.68 albertel 172: if ($resourcedata->{$thiskey}>$resourcedata->{$answerkey}) {
1.56 albertel 173: $data{'datetype'} = &mt('Due and Answer Available');
1.28 www 174: }
1.53 www 175: }
1.56 albertel 176: if ($name eq 'opendate'
177: || $name eq 'contentopen' ) {
178: $data{'datetype'}=&mt('Opening');
179: }
180: if ($name eq 'contentclose') {
181: $data{'datetype'}=&mt('Closing');
182: }
1.53 www 183: if ($name eq 'answerdate') {
1.28 www 184: # see if accidentally answerdate is before duedate
1.53 www 185: my $duekey=$thiskey;
186: $duekey=~s/answerdate$/duedate/;
1.68 albertel 187: if ($resourcedata->{$duekey}>$resourcedata->{$thiskey}) {
1.28 www 188: # forget it
1.53 www 189: next;
190: }
1.56 albertel 191: $data{'datetype'}=&mt('Answer Available');
1.53 www 192: }
1.64 albertel 193: $returnhash{join("\0",$courseid,
1.68 albertel 194: $resourcedata->{$thiskey},
195: $resourcedata->{$thiskey})}=\%data;
1.26 www 196: }
197: }
1.3 www 198: return %returnhash;
199: }
200:
201: sub emptycell {
1.49 albertel 202: return '<td class="LC_calendar_day_empty"> </td>';
1.3 www 203: }
204:
205: sub normalcell {
1.56 albertel 206: my ($day,$month,$year,$items_ref)=@_;
1.51 albertel 207: my $output;
1.56 albertel 208: my @items=&order($items_ref);
1.40 albertel 209: foreach my $item (@items) {
210: if ($item) {
1.56 albertel 211: my ($courseid,$start,$end,$msg)=@$item;
212: my $internalflag= (ref($msg)) ? 1 : 0;
213: $msg = &display_msg($msg);
1.34 albertel 214: my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
1.32 www 215: '\n'.&Apache::lonlocal::locallocaltime($start);
1.26 www 216: if ($start!=$end) {
217: $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
218: }
1.32 www 219: $fullmsg.=':\n'.$msg;
1.56 albertel 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)) { $output.='<br />'; }
1.34 albertel 225: if ($courseid eq $env{'request.course.id'}) {
226: if ((&Apache::lonnet::allowed('srm',$env{'request.course.id'}))
1.19 www 227: && (!$showedcheck{$start.'_'.$end})
1.34 albertel 228: && ($env{'form.pickdate'} ne 'yes')
1.26 www 229: && (!$internalflag)) {
1.5 www 230: $output.='<input type="checkbox" name="remove_'.$start.'_'.
231: $end.'">';
1.16 www 232: $showedcheck{$start.'_'.$end}=1;
1.5 www 233: }
234: }
235: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.51 albertel 236: $short_msg.'</a>';
1.4 www 237: }
238: }
1.49 albertel 239: return '<td class="LC_calendar_day'.
1.12 www 240: ((($day eq $todayhash{'day'}) &&
241: ($month eq $todayhash{'month'}) &&
1.49 albertel 242: ($year eq $todayhash{'year'}))?'_current':'').
243: '" ><b>'.&picklink($day,$day,$month,$year).'</b><br />'.$output.'</td>';
1.3 www 244: }
245:
1.11 www 246: sub plaincell {
1.56 albertel 247: my ($items_ref)=@_;
1.51 albertel 248: my $output;
1.56 albertel 249: my @items=&order($items_ref);
1.40 albertel 250: foreach my $item (@items) {
1.56 albertel 251: if (ref($item)) {
252: my ($courseid,$start,$end,$msg)=@$item;
1.34 albertel 253: my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
1.32 www 254: '\n'.&Apache::lonlocal::locallocaltime($start);
1.26 www 255: if ($start!=$end) {
256: $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
257: }
1.56 albertel 258: $msg = &display_msg($msg);
1.32 www 259: $fullmsg.=':\n'.$msg;
260: $fullmsg=~s/[\n\r]/\\n/gs;
1.15 www 261: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
262: $fullmsg=~s/&/\\&/g;
1.51 albertel 263: my $short_msg = substr($msg,0,80).((length($msg) > 80)?'...':'');
264: if (defined($output)) { $output.='<br />'; }
1.11 www 265: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.51 albertel 266: $short_msg.'</a>';
1.11 www 267: }
268: }
269: return $output;
270: }
271:
272: sub listcell {
1.56 albertel 273: my ($items_ref)=@_;
1.11 www 274: my $output='';
1.56 albertel 275: my @items=&order($items_ref);
1.40 albertel 276: foreach my $item (@items) {
1.56 albertel 277: if (ref($item)) {
278: my ($courseid,$start,$end,$msg)=@$item;
279: my $fullmsg=&Apache::lonlocal::locallocaltime($start);
1.26 www 280: if ($start!=$end) {
281: $fullmsg.=&mt(' to ').
282: &Apache::lonlocal::locallocaltime($end);
283: }
1.56 albertel 284: $fullmsg.=':<br /><b>'.&display_msg($msg).'</b>';
1.11 www 285: $output.='<li>'.$fullmsg.'</li>';
286: }
287: }
288: return $output;
289: }
290:
1.40 albertel 291: sub order {
1.56 albertel 292: my ($items)=@_;
293: return sort {
294: my ($astart,$aend)=$a->[1,2];
295: my ($bstart,$bend)=$b->[1,2];
1.40 albertel 296: if ($astart != $bstart) {
297: return $astart <=> $bstart;
298: }
299: return $aend <=> $bend;
1.56 albertel 300: } @$items;
1.40 albertel 301: }
302:
1.3 www 303: sub nextday {
1.71 raeburn 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: $th{'day'}++;
339: }
1.3 www 340: return (&Apache::loncommon::maketime(%th),$th{'month'});
341: }
342:
1.71 raeburn 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 $is_leap;
355: }
356:
1.56 albertel 357: sub display_msg {
358: my ($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'})) {
1.59 www 365: my $displayurl=&Apache::lonnet::gettitle($msg->{'url'});
366: if ($msg->{'url'}!~/\Q$displayurl\E$/) {
367: $output .= ' - '.$displayurl;
368: }
1.56 albertel 369: }
370: if (exists($msg->{'symb'})) {
1.59 www 371: my $displaysymb=&Apache::lonnet::gettitle($msg->{'symb'});
372: if ($msg->{'symb'}!~/\Q$displaysymb\E$/) {
373: $output .= ' - '.$displaysymb;
374: }
1.56 albertel 375: }
376: $output .= ' ('.$msg->{'section'}.') ';
377: return $output;
378: }
379:
1.3 www 380: sub showday {
1.11 www 381: my ($tk,$mode,%allcal)=@_;
1.3 www 382: my %th=&Apache::loncommon::timehash($tk);
1.71 raeburn 383: my ($nextday,$nextmonth)=&nextday($tk,%th);
1.56 albertel 384: my @outp;
1.27 www 385: if ($mode) {
386: my $oneday=24*3600;
387: $tk-=$oneday;
388: $nextday+=$oneday;
389: }
1.40 albertel 390: foreach my $item (keys(%allcal)) {
1.64 albertel 391: my ($courseid,$startdate,$enddate)= split("\0",$item);
392: if (($startdate<$nextday) && ($enddate>=$tk)) {
393: push(@outp,[$courseid,$startdate,$enddate,$allcal{$item}]);
1.3 www 394: }
395: }
1.11 www 396: unless ($mode) {
1.12 www 397: return ($nextday,$nextmonth,&normalcell(
1.56 albertel 398: $th{'day'},$th{'month'},$th{'year'},\@outp));
399: } elsif (@outp) {
1.11 www 400: if ($mode==1) {
1.56 albertel 401: return '<br />'.&plaincell(\@outp);
1.11 www 402: } else {
1.56 albertel 403: return '<ul>'.&listcell(\@outp).'</ul>';
1.11 www 404: }
405: } else {
406: return '';
407: }
1.3 www 408: }
1.1 www 409:
1.19 www 410: sub picklink {
411: my ($text,$day,$month,$year)=@_;
1.34 albertel 412: if ($env{'form.pickdate'} eq 'yes') {
1.19 www 413: return '<a href="javascript:dialin('.$day.','.$month.','.$year.')">'.
414: $text.'</a>';
415: } else {
416: return $text;
417: }
418: }
419:
420: sub dialscript {
421: return (<<ENDDIA);
1.78 bisitz 422: <script type="text/javascript" language="JavaScript">
1.81 raeburn 423: // <![CDATA[
1.19 www 424: function dialin(day,month,year) {
1.34 albertel 425: opener.document.$env{'form.formname'}.$env{'form.element'}\_year.value=year;
426: var slct=opener.document.$env{'form.formname'}.$env{'form.element'}\_month;
1.19 www 427: var i;
428: for (i=0;i<slct.length;i++) {
429: if (slct.options[i].value==month) { slct.selectedIndex=i; }
430: }
1.34 albertel 431: opener.document.$env{'form.formname'}.$env{'form.element'}\_day.value=day;
432: opener.$env{'form.element'}\_checkday();
1.19 www 433: self.close();
434: }
1.81 raeburn 435: // ]]>
1.19 www 436: </script>
437: ENDDIA
438: }
1.52 www 439: # ----------------------------------------------------- Summarize all calendars
440: sub get_all_calendars {
441: my %allcal=();
1.62 raeburn 442: my %courses = &Apache::loncommon::findallcourses();
443: foreach my $course (sort(keys(%courses))) {
1.52 www 444: %allcal=(%allcal,&readcalendar($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 $event (keys(%allcal)) {
1.64 albertel 459: my ($courseid,$startdate,$enddate)= split('\0',$event);
1.53 www 460: my $uid=$event;
461: $uid=~s/[\W\_]/-/gs;
462: $uid.='@loncapa';
1.56 albertel 463: my $summary=&display_msg($allcal{$event});
1.53 www 464: $summary=~s/\s+/ /gs;
465: $summary=$env{'course.'.$courseid.'.description'}.': '.$summary;
1.52 www 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);
1.53 www 469: $r->print("SUMMARY:$summary$crlf");
470: $r->print("UID:$uid$crlf");
1.52 www 471: $r->print("END:VEVENT$crlf");
472: }
473: # Footer
474: $r->print("END:VCALENDAR$crlf");
475: }
1.19 www 476:
1.71 raeburn 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:
1.1 www 484: sub handler {
485: my $r = shift;
1.52 www 486: if ($r->uri=~/\.(ics|ical)$/) {
487: &Apache::loncommon::content_type($r,'text/calendar');
488: &output_ics_file($r);
489: return OK;
490: }
1.21 www 491: &Apache::loncommon::content_type($r,'text/html');
1.1 www 492: $r->send_http_header;
493: return OK if $r->header_only;
494:
1.3 www 495: # ---------------------------------------------------------- Get time right now
496: my $today=time;
1.12 www 497: %todayhash=&Apache::loncommon::timehash($today);
1.16 www 498: # ----------------------------------------------------------------- Check marks
1.49 albertel 499: undef(%showedcheck);
1.3 www 500: # ---------------------------------------------------------- Get month and year
501: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.19 www 502: ['month','year','pickdate','formname','element']);
1.3 www 503: # --------------------------------------------------- Decide what month to show
504: my $year=$todayhash{'year'};
1.34 albertel 505: if ($env{'form.year'}) { $year=$env{'form.year'}; }
1.3 www 506: my $month=$todayhash{'month'};
1.34 albertel 507: if ($env{'form.month'}) { $month=$env{'form.month'}; }
1.18 www 508:
509: # ---------------------------------------------- See if we are in pickdate mode
1.34 albertel 510: my $pickdatemode=($env{'form.pickdate'} eq 'yes');
1.81 raeburn 511: my $pickinfo='&pickdate=yes&formname='.$env{'form.formname'}.
512: '&element='.$env{'form.element'};
1.3 www 513: # --------------------------------------------- Find out first day of the month
514:
1.71 raeburn 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);
1.3 www 522: my $weekday=$firstday{'weekday'};
1.71 raeburn 523:
1.3 www 524: # ------------------------------------------------------------ Print the screen
1.47 albertel 525: my $js = <<ENDDOCUMENT;
1.78 bisitz 526: <script type="text/javascript" language="JavaScript">
1.81 raeburn 527: // <![CDATA[
1.3 www 528:
529: function trysubmit() {
530: document.anno.action.value="new";
531: document.anno.submit();
532: }
533:
534: function removesub() {
535: document.anno.action.value="del";
536: document.anno.submit();
537: }
1.81 raeburn 538: // ]]>
1.3 www 539: </script>
1.1 www 540: ENDDOCUMENT
1.47 albertel 541:
1.18 www 542: if ($pickdatemode) {
543: # no big header in pickdate mode
1.47 albertel 544: $r->print(&Apache::loncommon::start_page("Pick a Date",$js,
545: {'only_body' => 1,}).
1.19 www 546: &dialscript().
1.18 www 547: '<font size="1">');
548: } else {
1.76 raeburn 549: my $brcrum = [{href=>"/adm/announcements",text=>"Announcements and Calendar"}];
1.77 schafran 550: $r->print(&Apache::loncommon::start_page("Communication",$js,{'bread_crumbs' => $brcrum}));
1.18 www 551: }
1.3 www 552: # does this user have privileges to post, etc?
553: my $allowed=0;
1.34 albertel 554: if ($env{'request.course.id'}) {
555: $allowed=&Apache::lonnet::allowed('srm',$env{'request.course.id'});
1.3 www 556: }
1.17 www 557: # does this user have privileges to post to servers?
558: my $serverpost=0;
1.34 albertel 559: if ($env{'request.role.domain'}) {
1.17 www 560: $serverpost=&Apache::lonnet::allowed('psa',
1.34 albertel 561: $env{'request.role.domain'});
1.17 www 562: } else {
563: $serverpost=&Apache::lonnet::allowed('psa','/');
564: }
1.18 www 565: # -------------------------------- BUT: do no fancy stuff when in pickdate mode
566: if ($pickdatemode) {
567: $serverpost=0;
568: $allowed=0;
569: }
1.17 www 570: # ------------------------------------------------------------ Process commands
571: if ($serverpost) {
1.84 ! bisitz 572: if ($env{'form.serveraction'}) {
! 573: my $rc;
! 574: my $message;
! 575: foreach my $key (keys(%env)) {
! 576: if ($key=~/^form\.postto\_(\w+[\w|-]*)/) {
! 577: $rc = &Apache::lonnet::postannounce
! 578: ($1,$env{'form.serverannnounce'});
! 579: if ($rc eq 'ok') {
! 580: $message .=
! 581: &Apache::lonhtmlcommon::confirm_success(
! 582: &mt('Announcement posted to [_1]',$1))
! 583: .'<br />';
! 584: } else {
! 585: $message .=
! 586: &Apache::lonhtmlcommon::confirm_success(
! 587: &mt('Posting announcement to [_1] failed: [_2]'
! 588: ,$1,$rc), 1)
! 589: .'<br />';
! 590: }
! 591: }
! 592: }
! 593: $r->print(&Apache::loncommon::confirmwrapper($message));
! 594: }
1.73 bisitz 595: $r->print('<form name="serveranno" method="post">'
596: .'<h2>'.&mt('Post Server Announcements').'</h2>'
597: .&mt('Post announcements to the system login and roles screen').'<br />'
598: .'<i>'.&mt('(leave blank to delete announcement)').'</i><br />'
599: .'<textarea name="serverannnounce" cols="60" rows="5"></textarea><br />'
600: .&mt('Check machines:').'<br />'
601: );
1.17 www 602: # list servers
1.66 albertel 603: my %hostname = &Apache::lonnet::all_hostnames();
604: foreach my $host (sort(keys(%hostname))) {
1.67 albertel 605: if (&Apache::lonnet::allowed('psa',
606: &Apache::lonnet::host_domain($host))) {
1.73 bisitz 607: $r->print ('<label><input type="checkbox" name="postto_'.$host.'" /> '.
1.66 albertel 608: $host.' <tt>'.$hostname{$host}.'</tt> '.
609: '</label><a href="http://'.$hostname{$host}.
1.73 bisitz 610: '/announcement.txt?time='.time.'" target="annowin">'.
611: &mt('Current Announcement').'</a><br />');
1.17 www 612: }
613: }
614: $r->print(
1.79 bisitz 615: '<br /><input type="submit" name="serveraction" value="'.&mt('Post').'" /></form><hr />');
1.17 www 616: }
1.3 www 617: if ($allowed) {
1.34 albertel 618: my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
619: my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.80 raeburn 620: my $crstype = &Apache::loncommon::course_type();
1.3 www 621: # ----------------------------------------------------- Store new submitted one
1.34 albertel 622: if ($env{'form.action'} eq 'new') {
1.9 www 623: my $startdate =
624: &Apache::lonhtmlcommon::get_date_from_form('startdate');
625: my $enddate =
626: &Apache::lonhtmlcommon::get_date_from_form('enddate');
627: unless ($startdate=~/^\d+$/) { $startdate=time; }
628: unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; }
629: if ($startdate>$enddate) {
630: my $buffer=$startdate;
631: $startdate=$enddate;
632: $enddate=$buffer;
633: }
1.3 www 634: &Apache::lonnet::put('calendar',{
1.9 www 635: $startdate.'_'.$enddate =>
1.34 albertel 636: $env{'form.msg'} },$coursedom,$coursenum);
1.36 www 637: if ($env{'form.rsspost'}) {
1.80 raeburn 638: my $feed;
639: if ($crstype eq 'Community') {
640: $feed = 'Community_Announcements';
641: } else {
642: $feed = 'Course_Announcements';
643: }
644: &Apache::lonrss::addentry($coursenum,$coursedom,$feed,
1.36 www 645: &mt('Event from [_1] to [_2]',
646: &Apache::lonlocal::locallocaltime($startdate),
647: &Apache::lonlocal::locallocaltime($enddate)),
648: $env{'form.msg'},'/adm/announcements','public');
649: }
1.3 www 650: }
651: # ---------------------------------------------------------------- Remove items
1.34 albertel 652: if ($env{'form.action'} eq 'del') {
1.3 www 653: my @delwhich=();
1.42 albertel 654: foreach my $key (keys(%env)) {
655: if ($key=~/^form\.remove\_(.+)$/) {
1.3 www 656: push(@delwhich,$1);
657: }
658: }
659: &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum);
660: }
661: # -------------------------------------------------------- Form to post new one
662: my %tomorrowhash=%todayhash;
663: $tomorrowhash{'day'}++;
664: my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash);
665:
1.80 raeburn 666: &editfield($r,$today,$tomorrow,'',$crstype);
1.3 www 667: }
1.5 www 668: # ----------------------------------------------------- Summarize all calendars
1.52 www 669: my %allcal=&get_all_calendars();
1.5 www 670: # ------------------------------- Initialize table and forward backward buttons
1.3 www 671: my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
672: if ($pm<1) { ($pm,$py)=(12,$year-1); }
673: if ($fm>12){ ($fm,$fy)=(1,$year+1); }
1.14 www 674:
1.73 bisitz 675: $r->print('<h2>'.&mt('Calendar').'</h2>'
676: .'<h3>'.('',&mt('January'),&mt('February'),&mt('March'),
1.20 www 677: &mt('April'),&mt('May'),
678: &mt('June'),&mt('July'),&mt('August'),
679: &mt('September'),&mt('October'),
680: &mt('November'),&mt('December'))[$month].' '.
1.73 bisitz 681: $year.' '.&show_timezone().'</h3>');
1.13 www 682: # Reached the end of times, give up
683: if (($year<1970) || ($year>2037)) {
1.73 bisitz 684: $r->print('<p class="LC_warning">'
685: .&mt('No calendar available for this date.')
686: .'</p>'
687: .'<a href="/adm/announcements?month='.$todayhash{'month'}
1.81 raeburn 688: .'&year='.$todayhash{'year'}.'">'.&mt('Current Month').'</a>'
1.73 bisitz 689: .&Apache::loncommon::end_page());
1.13 www 690: return OK;
691: }
1.49 albertel 692:
693: my $class = "LC_calendar";
694: if ($env{'form.pickdate'} eq 'yes') {
695: $class .= " LC_calendar_pickdate";
696: }
1.71 raeburn 697: # ------------------------------------------------ Determine first day of a week
698: my $datelocale = &Apache::lonlocal::getdatelocale();
699: my $days_in_week = 7;
700: my $startweek = 0;
701: if (ref($datelocale)) {
702: $startweek = $datelocale->first_day_of_week();
703: if ($startweek == $days_in_week) { $startweek = 0; }
704: }
705: my @days = ('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
706: my @localdays;
707: if ($startweek == 0) {
708: @localdays = @days;
709: } else {
710: my $endday = $days_in_week - $startweek;
711: for (my $i=0; $i<$days_in_week; $i++) {
712: if ($i < $endday) {
713: $localdays[$i] = $days[$i+$startweek];
714: } else {
715: $localdays[$i] = $days[$i-$endday];
716: }
717: }
718: }
719:
720: # ----------------------------------------------------------- Weekday in locale
721: my $loc_weekday = $weekday - $startweek;
722: if ($loc_weekday < 0) {
723: $loc_weekday += $days_in_week;
724: }
725:
1.13 www 726: $r->print(
1.81 raeburn 727: '<a href="/adm/announcements?month='.$pm.'&year='.$py.
1.20 www 728: ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
1.81 raeburn 729: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
1.20 www 730: ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
1.12 www 731: ' <a href="/adm/announcements?month='.$todayhash{'month'}.
1.81 raeburn 732: '&year='.$todayhash{'year'}.
733: ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a><div>'.
734: '<table class="'.$class.'"><tr>');
1.71 raeburn 735: for (my $i=0; $i<@localdays; $i++) {
736: $r->print('<th>'.&mt($localdays[$i]).'</th>');
737: }
738: $r->print('</tr>');
1.3 www 739:
740: my $outp;
741: my $nm;
742:
743: # ---------------------------------------------------------------- Actual table
744: $r->print('<tr>');
1.71 raeburn 745: for (my $i=0;$i<$loc_weekday;$i++) { $r->print(&emptycell); }
746: for (my $i=$loc_weekday;$i<=6;$i++) {
1.11 www 747: ($tk,$nm,$outp)=&showday($tk,0,%allcal);
1.3 www 748: $r->print($outp);
749: }
750: $r->print('</tr>');
751:
1.71 raeburn 752: my $lastrow = 0;
753: my $lastday = 0;
1.23 www 754: for (my $k=0;$k<=4;$k++) {
1.71 raeburn 755: if (!$lastrow) {
756: $r->print('<tr>');
757: for (my $i=0;$i<=6;$i++) {
758: if ($lastday) {
759: $outp = &emptycell();
760: } else {
761: my $currtk = $tk;
762: ($tk,$nm,$outp)=&showday($tk,0,%allcal);
763: if ($month!=$nm) { $lastday = 1; }
764: }
765: $r->print($outp);
766: }
767: if ($lastday) {
768: $lastrow = 1;
769: }
770: $r->print('</tr>');
1.3 www 771: }
772: }
773: # ------------------------------------------------------------------- End table
1.81 raeburn 774: $r->print('</table></div>');
1.16 www 775: # ----------------------------------------------------------------- Check marks
1.49 albertel 776: undef(%showedcheck);
1.16 www 777: # --------------------------------------------------------------- Remove button
1.73 bisitz 778: if ($allowed) { $r->print('<br /><input type="button" onClick="removesub()" value="'.&mt('Remove Checked Entries').'">'.
1.24 www 779: &Apache::loncommon::help_open_topic('Calendar_Remove_Announcement').'</form>'); }
1.7 matthew 780: $r->print('<p>'.
1.81 raeburn 781: '<a href="/adm/announcements?month='.$pm.'&year='.$py.
1.20 www 782: ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
1.81 raeburn 783: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
1.20 www 784: ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
1.12 www 785: ' <a href="/adm/announcements?month='.$todayhash{'month'}.
1.81 raeburn 786: '&year='.$todayhash{'year'}.
1.20 www 787: ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a></p>'.
1.81 raeburn 788: ($pickdatemode?'</font>':'').
789: '<a href="/adm/announcements.ics">'.&mt('Download your Calendar as iCalendar File').'</a>'.
790: &Apache::loncommon::end_page());
1.1 www 791: return OK;
792: }
793:
794: 1;
795: __END__
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