Annotation of loncom/interface/lonannounce.pm, revision 1.71
1.1 www 1: # The LearningOnline Network
1.2 www 2: # Announce
1.1 www 3: #
1.71 ! raeburn 4: # $Id: lonannounce.pm,v 1.70 2008/05/18 19:45:46 www 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');
1.36 www 57: my %lt=&Apache::lonlocal::texthash('post' => 'Post Announcement',
58: 'start' => 'Starting date',
59: 'end' => 'Ending date',
1.37 www 60: 'incrss' => 'Include in course RSS newsfeed');
1.36 www 61:
1.10 www 62: $r->print(<<ENDFORM);
1.25 www 63: $help
1.10 www 64: <form name="anno" method="post">
1.36 www 65: <input type="hidden" value='' name="action" />
66: <table><tr><td>$lt{'start'}:</td><td>$startdateform</td></tr>
67: <tr><td>$lt{'end'}:</td><td>$enddateform</td></tr></table>
1.10 www 68: <textarea name="msg" rows="4" cols="60">$text</textarea>
1.36 www 69: <br />
1.46 albertel 70: <label><input type="checkbox" name="rsspost" /> $lt{'incrss'}</label>
1.36 www 71: <br /><input type="button" onClick="trysubmit()" value="$lt{'post'}" /><hr />
1.10 www 72: ENDFORM
73: }
74:
1.3 www 75: sub readcalendar {
76: my $courseid=shift;
1.34 albertel 77: my $coursenum=$env{'course.'.$courseid.'.num'};
78: my $coursedom=$env{'course.'.$courseid.'.domain'};
1.69 raeburn 79: if ($coursenum eq '' || $coursedom eq '') {
80: my %courseinfo=&Apache::lonnet::coursedescription($courseid);
81: if ($coursenum eq '' && exists($courseinfo{'num'})) {
82: $coursenum = $courseinfo{'num'};
83: }
84: if ($coursedom eq '' && exists($courseinfo{'domain'})) {
85: $coursedom = $courseinfo{'domain'};
86: }
87: }
88:
1.3 www 89: my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum);
90: my %returnhash=();
1.42 albertel 91: foreach my $item (keys(%thiscal)) {
92: unless (($item=~/^error\:/) || ($thiscal{$item}=~/^error\:/)) {
1.64 albertel 93: my ($start,$end)=split('_',$item);
94: $returnhash{join("\0",$courseid,$start,$end)}=$thiscal{$item};
1.3 www 95: }
96: }
1.61 albertel 97: my $can_see_hidden = ($env{'request.role.adv'} &&
98: ($courseid eq $env{'request.course.id'}));
99:
100: my $navmap;
101: if ($courseid eq $env{'request.course.id'}) {
102: $navmap = Apache::lonnavmaps::navmap->new();
103: }
1.68 albertel 104:
105: my $resourcedata=
1.65 albertel 106: &Apache::lonnet::get_courseresdata($coursenum,$coursedom);
1.69 raeburn 107: if (ref($resourcedata) ne 'HASH') {
108: return %returnhash;
109: }
1.68 albertel 110: foreach my $thiskey (keys(%$resourcedata)) {
111: if ($resourcedata->{$thiskey.'.type'}=~/^date/) {
1.53 www 112: my ($course,$middle,$part,$name)=
1.68 albertel 113: ($thiskey=~/^(\Q$courseid\E)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
114:
1.56 albertel 115: my %data = ( 'section' => &mt('All Students'));
1.53 www 116: if ($middle=~/^\[(.*)\]\./) {
117: my $sec=$1;
118: # if we have a section don't show ones that aren't ours
119: if ($env{'request.course.sec'} &&
120: $env{'request.course.sec'} ne $sec) { next; }
121: # if a student without a section don't show any section ones
122: if (!$env{'request.role.adv'} &&
123: !$env{'request.course.sec'}) { next; }
1.56 albertel 124: $data{'section'}=&mt('Group/Section').': '.$1;
1.53 www 125: $middle=~s/^\[(.*)\]\.//;
126: }
127: $middle=~s/\.$//;
1.56 albertel 128: $data{'realm'}=&mt('All Resources');
1.53 www 129: if ($middle eq '___(all)') {
130: if (!$can_see_hidden && !$navmap) {
131: next;
132: }
133: } elsif ($middle=~/^(.+)\_\_\_\(all\)$/) {
134: my $map_url=$1;
135: if (!$can_see_hidden && !$navmap) {
136: next;
137: }
138: if (!$can_see_hidden) {
139: my $res = $navmap->getResourceByUrl($map_url);
1.68 albertel 140: if ($res && $res->randomout()) {
141: next;
142: }
1.26 www 143: }
1.56 albertel 144: $data{'realm'}=&mt('Folder/Map');
145: $data{'url'} = $map_url;
1.53 www 146: } elsif ($middle) {
147: if (!$can_see_hidden && !$navmap) {
148: next;
1.26 www 149: }
1.53 www 150: if (!$can_see_hidden) {
151: my $res = $navmap->getBySymb($middle);
1.68 albertel 152: if ($res && $res->randomout()) {
153: next;
154: }
1.53 www 155: }
1.56 albertel 156: $data{'realm'} = &mt('Resource');
157: $data{'symb'} = $middle;
1.53 www 158: }
1.56 albertel 159: $data{'datetype'} = $name;
1.53 www 160: if ($name eq 'duedate') {
1.56 albertel 161: $data{'datetype'} = &mt('Due');
1.28 www 162: # see if accidentally answerdate is before duedate
1.53 www 163: my $answerkey=$thiskey;
164: $answerkey=~s/duedate$/answerdate/;
1.68 albertel 165: if ($resourcedata->{$thiskey}>$resourcedata->{$answerkey}) {
1.56 albertel 166: $data{'datetype'} = &mt('Due and Answer Available');
1.28 www 167: }
1.53 www 168: }
1.56 albertel 169: if ($name eq 'opendate'
170: || $name eq 'contentopen' ) {
171: $data{'datetype'}=&mt('Opening');
172: }
173: if ($name eq 'contentclose') {
174: $data{'datetype'}=&mt('Closing');
175: }
1.53 www 176: if ($name eq 'answerdate') {
1.28 www 177: # see if accidentally answerdate is before duedate
1.53 www 178: my $duekey=$thiskey;
179: $duekey=~s/answerdate$/duedate/;
1.68 albertel 180: if ($resourcedata->{$duekey}>$resourcedata->{$thiskey}) {
1.28 www 181: # forget it
1.53 www 182: next;
183: }
1.56 albertel 184: $data{'datetype'}=&mt('Answer Available');
1.53 www 185: }
1.64 albertel 186: $returnhash{join("\0",$courseid,
1.68 albertel 187: $resourcedata->{$thiskey},
188: $resourcedata->{$thiskey})}=\%data;
1.26 www 189: }
190: }
1.3 www 191: return %returnhash;
192: }
193:
194: sub emptycell {
1.49 albertel 195: return '<td class="LC_calendar_day_empty"> </td>';
1.3 www 196: }
197:
198: sub normalcell {
1.56 albertel 199: my ($day,$month,$year,$items_ref)=@_;
1.51 albertel 200: my $output;
1.56 albertel 201: my @items=&order($items_ref);
1.40 albertel 202: foreach my $item (@items) {
203: if ($item) {
1.56 albertel 204: my ($courseid,$start,$end,$msg)=@$item;
205: my $internalflag= (ref($msg)) ? 1 : 0;
206: $msg = &display_msg($msg);
1.34 albertel 207: my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
1.32 www 208: '\n'.&Apache::lonlocal::locallocaltime($start);
1.26 www 209: if ($start!=$end) {
210: $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
211: }
1.32 www 212: $fullmsg.=':\n'.$msg;
1.56 albertel 213: $fullmsg=~s/[\n\r]/\\n/gs;
214: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
215: $fullmsg=~s/&/\\&/g;
216: my $short_msg = substr($msg,0,20).((length($msg) > 20)?'...':'');
217: if (defined($output)) { $output.='<br />'; }
1.34 albertel 218: if ($courseid eq $env{'request.course.id'}) {
219: if ((&Apache::lonnet::allowed('srm',$env{'request.course.id'}))
1.19 www 220: && (!$showedcheck{$start.'_'.$end})
1.34 albertel 221: && ($env{'form.pickdate'} ne 'yes')
1.26 www 222: && (!$internalflag)) {
1.5 www 223: $output.='<input type="checkbox" name="remove_'.$start.'_'.
224: $end.'">';
1.16 www 225: $showedcheck{$start.'_'.$end}=1;
1.5 www 226: }
227: }
228: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.51 albertel 229: $short_msg.'</a>';
1.4 www 230: }
231: }
1.49 albertel 232: return '<td class="LC_calendar_day'.
1.12 www 233: ((($day eq $todayhash{'day'}) &&
234: ($month eq $todayhash{'month'}) &&
1.49 albertel 235: ($year eq $todayhash{'year'}))?'_current':'').
236: '" ><b>'.&picklink($day,$day,$month,$year).'</b><br />'.$output.'</td>';
1.3 www 237: }
238:
1.11 www 239: sub plaincell {
1.56 albertel 240: my ($items_ref)=@_;
1.51 albertel 241: my $output;
1.56 albertel 242: my @items=&order($items_ref);
1.40 albertel 243: foreach my $item (@items) {
1.56 albertel 244: if (ref($item)) {
245: my ($courseid,$start,$end,$msg)=@$item;
1.34 albertel 246: my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
1.32 www 247: '\n'.&Apache::lonlocal::locallocaltime($start);
1.26 www 248: if ($start!=$end) {
249: $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
250: }
1.56 albertel 251: $msg = &display_msg($msg);
1.32 www 252: $fullmsg.=':\n'.$msg;
253: $fullmsg=~s/[\n\r]/\\n/gs;
1.15 www 254: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
255: $fullmsg=~s/&/\\&/g;
1.51 albertel 256: my $short_msg = substr($msg,0,80).((length($msg) > 80)?'...':'');
257: if (defined($output)) { $output.='<br />'; }
1.11 www 258: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.51 albertel 259: $short_msg.'</a>';
1.11 www 260: }
261: }
262: return $output;
263: }
264:
265: sub listcell {
1.56 albertel 266: my ($items_ref)=@_;
1.11 www 267: my $output='';
1.56 albertel 268: my @items=&order($items_ref);
1.40 albertel 269: foreach my $item (@items) {
1.56 albertel 270: if (ref($item)) {
271: my ($courseid,$start,$end,$msg)=@$item;
272: my $fullmsg=&Apache::lonlocal::locallocaltime($start);
1.26 www 273: if ($start!=$end) {
274: $fullmsg.=&mt(' to ').
275: &Apache::lonlocal::locallocaltime($end);
276: }
1.56 albertel 277: $fullmsg.=':<br /><b>'.&display_msg($msg).'</b>';
1.11 www 278: $output.='<li>'.$fullmsg.'</li>';
279: }
280: }
281: return $output;
282: }
283:
1.40 albertel 284: sub order {
1.56 albertel 285: my ($items)=@_;
286: return sort {
287: my ($astart,$aend)=$a->[1,2];
288: my ($bstart,$bend)=$b->[1,2];
1.40 albertel 289: if ($astart != $bstart) {
290: return $astart <=> $bstart;
291: }
292: return $aend <=> $bend;
1.56 albertel 293: } @$items;
1.40 albertel 294: }
295:
1.3 www 296: sub nextday {
1.71 ! raeburn 297: my ($tk,%th)=@_;
! 298: my ($incmonth,$incyear);
! 299: if ($th{'day'} > 27) {
! 300: if ($th{'month'} == 2) {
! 301: if ($th{'day'} == 29) {
! 302: $incmonth = 1;
! 303: } elsif ($th{'day'} == 28) {
! 304: if (!&is_leap_year($tk)) {
! 305: $incmonth = 1;
! 306: }
! 307: }
! 308: } elsif (($th{'month'} == 4) || ($th{'month'} == 6) ||
! 309: ($th{'month'} == 9) || ($th{'month'} == 11)) {
! 310: if ($th{'day'} == 30) {
! 311: $incmonth = 1;
! 312: }
! 313: } elsif ($th{'day'} == 31) {
! 314: if ($th{'month'} == 12) {
! 315: $incyear = 1;
! 316: } else {
! 317: $incmonth = 1;
! 318: }
! 319: }
! 320: if ($incyear) {
! 321: $th{'day'} = 1;
! 322: $th{'month'} = 1;
! 323: $th{'year'}++;
! 324: } elsif ($incmonth) {
! 325: $th{'day'} = 1;
! 326: $th{'month'}++;
! 327: } else {
! 328: $th{'day'}++;
! 329: }
! 330: } else {
! 331: $th{'day'}++;
! 332: }
1.3 www 333: return (&Apache::loncommon::maketime(%th),$th{'month'});
334: }
335:
1.71 ! raeburn 336: sub is_leap_year {
! 337: my ($thistime) = @_;
! 338: my ($is_leap,$timezone,$dt);
! 339: $timezone = &Apache::lonlocal::gettimezone();
! 340: eval {
! 341: $dt = DateTime->from_epoch(epoch => $thistime)
! 342: ->set_time_zone($timezone);
! 343: };
! 344: if (!$@) {
! 345: $is_leap = $dt->is_leap_year;
! 346: }
! 347: return $is_leap;
! 348: }
! 349:
1.56 albertel 350: sub display_msg {
351: my ($msg) = @_;
352:
353: # if it's not a ref, it's an instructor provided message
354: return $msg if (!ref($msg));
355:
356: my $output = $msg->{'datetype'}. ': '.$msg->{'realm'};
357: if (exists($msg->{'url'})) {
1.59 www 358: my $displayurl=&Apache::lonnet::gettitle($msg->{'url'});
359: if ($msg->{'url'}!~/\Q$displayurl\E$/) {
360: $output .= ' - '.$displayurl;
361: }
1.56 albertel 362: }
363: if (exists($msg->{'symb'})) {
1.59 www 364: my $displaysymb=&Apache::lonnet::gettitle($msg->{'symb'});
365: if ($msg->{'symb'}!~/\Q$displaysymb\E$/) {
366: $output .= ' - '.$displaysymb;
367: }
1.56 albertel 368: }
369: $output .= ' ('.$msg->{'section'}.') ';
370: return $output;
371: }
372:
1.3 www 373: sub showday {
1.11 www 374: my ($tk,$mode,%allcal)=@_;
1.3 www 375: my %th=&Apache::loncommon::timehash($tk);
1.71 ! raeburn 376: my ($nextday,$nextmonth)=&nextday($tk,%th);
1.56 albertel 377: my @outp;
1.27 www 378: if ($mode) {
379: my $oneday=24*3600;
380: $tk-=$oneday;
381: $nextday+=$oneday;
382: }
1.40 albertel 383: foreach my $item (keys(%allcal)) {
1.64 albertel 384: my ($courseid,$startdate,$enddate)= split("\0",$item);
385: if (($startdate<$nextday) && ($enddate>=$tk)) {
386: push(@outp,[$courseid,$startdate,$enddate,$allcal{$item}]);
1.3 www 387: }
388: }
1.11 www 389: unless ($mode) {
1.12 www 390: return ($nextday,$nextmonth,&normalcell(
1.56 albertel 391: $th{'day'},$th{'month'},$th{'year'},\@outp));
392: } elsif (@outp) {
1.11 www 393: if ($mode==1) {
1.56 albertel 394: return '<br />'.&plaincell(\@outp);
1.11 www 395: } else {
1.56 albertel 396: return '<ul>'.&listcell(\@outp).'</ul>';
1.11 www 397: }
398: } else {
399: return '';
400: }
1.3 www 401: }
1.1 www 402:
1.19 www 403: sub picklink {
404: my ($text,$day,$month,$year)=@_;
1.34 albertel 405: if ($env{'form.pickdate'} eq 'yes') {
1.19 www 406: return '<a href="javascript:dialin('.$day.','.$month.','.$year.')">'.
407: $text.'</a>';
408: } else {
409: return $text;
410: }
411: }
412:
413: sub dialscript {
414: return (<<ENDDIA);
415: <script language="Javascript">
416: function dialin(day,month,year) {
1.34 albertel 417: opener.document.$env{'form.formname'}.$env{'form.element'}\_year.value=year;
418: var slct=opener.document.$env{'form.formname'}.$env{'form.element'}\_month;
1.19 www 419: var i;
420: for (i=0;i<slct.length;i++) {
421: if (slct.options[i].value==month) { slct.selectedIndex=i; }
422: }
1.34 albertel 423: opener.document.$env{'form.formname'}.$env{'form.element'}\_day.value=day;
424: opener.$env{'form.element'}\_checkday();
1.19 www 425: self.close();
426: }
427: </script>
428: ENDDIA
429: }
1.52 www 430: # ----------------------------------------------------- Summarize all calendars
431: sub get_all_calendars {
432: my %allcal=();
1.62 raeburn 433: my %courses = &Apache::loncommon::findallcourses();
434: foreach my $course (sort(keys(%courses))) {
1.52 www 435: %allcal=(%allcal,&readcalendar($course));
436: }
437: return %allcal;
438: }
439:
440: sub output_ics_file {
441: my ($r)=@_;
442: # RFC 2445 wants CRLF
443: my $crlf="\015\012";
444: # Header
445: $r->print("BEGIN:VCALENDAR$crlf");
446: $r->print("VERSION:2.0$crlf");
447: $r->print("PRODID:-//LONCAPA//LONCAPA Calendar Output//EN$crlf");
448: my %allcal=&get_all_calendars();
449: foreach my $event (keys(%allcal)) {
1.64 albertel 450: my ($courseid,$startdate,$enddate)= split('\0',$event);
1.53 www 451: my $uid=$event;
452: $uid=~s/[\W\_]/-/gs;
453: $uid.='@loncapa';
1.56 albertel 454: my $summary=&display_msg($allcal{$event});
1.53 www 455: $summary=~s/\s+/ /gs;
456: $summary=$env{'course.'.$courseid.'.description'}.': '.$summary;
1.52 www 457: $r->print("BEGIN:VEVENT$crlf");
458: $r->print("DTSTART:".&Apache::loncommon::utc_string($startdate).$crlf);
459: $r->print("DTEND:".&Apache::loncommon::utc_string($enddate).$crlf);
1.53 www 460: $r->print("SUMMARY:$summary$crlf");
461: $r->print("UID:$uid$crlf");
1.52 www 462: $r->print("END:VEVENT$crlf");
463: }
464: # Footer
465: $r->print("END:VCALENDAR$crlf");
466: }
1.19 www 467:
1.71 ! raeburn 468: sub show_timezone {
! 469: my $tzone = &Apache::lonlocal::gettimezone();
! 470: my $dt = DateTime->now();
! 471: my $tz = DateTime::TimeZone->new( name => $tzone );
! 472: return &mt('([_1] time zone)',$tz->short_name_for_datetime($dt));
! 473: }
! 474:
1.1 www 475: sub handler {
476: my $r = shift;
1.52 www 477: if ($r->uri=~/\.(ics|ical)$/) {
478: &Apache::loncommon::content_type($r,'text/calendar');
479: &output_ics_file($r);
480: return OK;
481: }
1.21 www 482: &Apache::loncommon::content_type($r,'text/html');
1.1 www 483: $r->send_http_header;
484: return OK if $r->header_only;
485:
1.3 www 486: # ---------------------------------------------------------- Get time right now
487: my $today=time;
1.12 www 488: %todayhash=&Apache::loncommon::timehash($today);
1.16 www 489: # ----------------------------------------------------------------- Check marks
1.49 albertel 490: undef(%showedcheck);
1.3 www 491: # ---------------------------------------------------------- Get month and year
492: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.19 www 493: ['month','year','pickdate','formname','element']);
1.3 www 494: # --------------------------------------------------- Decide what month to show
495: my $year=$todayhash{'year'};
1.34 albertel 496: if ($env{'form.year'}) { $year=$env{'form.year'}; }
1.3 www 497: my $month=$todayhash{'month'};
1.34 albertel 498: if ($env{'form.month'}) { $month=$env{'form.month'}; }
1.18 www 499:
500: # ---------------------------------------------- See if we are in pickdate mode
1.34 albertel 501: my $pickdatemode=($env{'form.pickdate'} eq 'yes');
502: my $pickinfo='&pickdate=yes&formname='.$env{'form.formname'}.
503: '&element='.$env{'form.element'};
1.3 www 504: # --------------------------------------------- Find out first day of the month
505:
1.71 ! raeburn 506: my $tk = &Apache::loncommon::maketime( 'day' => 1,
! 507: 'month'=> $month,
! 508: 'year' => $year,
! 509: 'hour' => 0,
! 510: 'minute' => 0,
! 511: 'second' => 0);
! 512: my %firstday = &Apache::loncommon::timehash($tk);
1.3 www 513: my $weekday=$firstday{'weekday'};
1.71 ! raeburn 514:
1.3 www 515: # ------------------------------------------------------------ Print the screen
1.47 albertel 516: my $js = <<ENDDOCUMENT;
517: <script type="text/javascript">
1.3 www 518:
519: function trysubmit() {
520: document.anno.action.value="new";
521: document.anno.submit();
522: }
523:
524: function removesub() {
525: document.anno.action.value="del";
526: document.anno.submit();
527: }
528: </script>
1.1 www 529: ENDDOCUMENT
1.47 albertel 530:
1.18 www 531: if ($pickdatemode) {
532: # no big header in pickdate mode
1.47 albertel 533: $r->print(&Apache::loncommon::start_page("Pick a Date",$js,
534: {'only_body' => 1,}).
1.19 www 535: &dialscript().
1.18 www 536: '<font size="1">');
537: } else {
1.47 albertel 538: $r->print(&Apache::loncommon::start_page("Announcements and Calendar",
539: $js));
1.18 www 540: }
1.3 www 541: # does this user have privileges to post, etc?
542: my $allowed=0;
1.34 albertel 543: if ($env{'request.course.id'}) {
544: $allowed=&Apache::lonnet::allowed('srm',$env{'request.course.id'});
1.3 www 545: }
1.17 www 546: # does this user have privileges to post to servers?
547: my $serverpost=0;
1.34 albertel 548: if ($env{'request.role.domain'}) {
1.17 www 549: $serverpost=&Apache::lonnet::allowed('psa',
1.34 albertel 550: $env{'request.role.domain'});
1.17 www 551: } else {
552: $serverpost=&Apache::lonnet::allowed('psa','/');
553: }
1.18 www 554: # -------------------------------- BUT: do no fancy stuff when in pickdate mode
555: if ($pickdatemode) {
556: $serverpost=0;
557: $allowed=0;
558: }
1.17 www 559: # ------------------------------------------------------------ Process commands
560: if ($serverpost) {
1.34 albertel 561: if ($env{'form.serveraction'}) {
1.42 albertel 562: foreach my $key (keys(%env)) {
563: if ($key=~/^form\.postto\_(\w+)/) {
1.17 www 564: $r->print(
565: '<br />Posting '.$1.': '.&Apache::lonnet::postannounce
1.34 albertel 566: ($1,$env{'form.serverannnounce'}));
1.17 www 567: }
568: }
569: }
570: $r->print(<<SERVERANNOUNCE);
571: <form name="serveranno" method="post">
572: <h3>Post Server Announcements</h3>
573: Post announcements to the system login and roles screen<br />
574: <i>(leave blank to delete announcement)</i><br />
575: <textarea name="serverannnounce" cols="60" rows="5"></textarea><br />
576: Check machines:<br />
577: SERVERANNOUNCE
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))) {
1.60 albertel 583: $r->print ('<br /><label><input type="checkbox" name="postto_'.$host.'" /> '.
1.66 albertel 584: $host.' <tt>'.$hostname{$host}.'</tt> '.
585: '</label><a href="http://'.$hostname{$host}.
1.70 www 586: '/announcement.txt?time='.time.'" target="annowin">current</a>');
1.17 www 587: }
588: }
589: $r->print(
590: '<br /><input type="submit" name="serveraction" value="Post"></form><hr />');
591: }
1.3 www 592: if ($allowed) {
1.34 albertel 593: my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
594: my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.3 www 595: # ----------------------------------------------------- Store new submitted one
1.34 albertel 596: if ($env{'form.action'} eq 'new') {
1.9 www 597: my $startdate =
598: &Apache::lonhtmlcommon::get_date_from_form('startdate');
599: my $enddate =
600: &Apache::lonhtmlcommon::get_date_from_form('enddate');
601: unless ($startdate=~/^\d+$/) { $startdate=time; }
602: unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; }
603: if ($startdate>$enddate) {
604: my $buffer=$startdate;
605: $startdate=$enddate;
606: $enddate=$buffer;
607: }
1.3 www 608: &Apache::lonnet::put('calendar',{
1.9 www 609: $startdate.'_'.$enddate =>
1.34 albertel 610: $env{'form.msg'} },$coursedom,$coursenum);
1.36 www 611: if ($env{'form.rsspost'}) {
612: &Apache::lonrss::addentry($coursenum,$coursedom,'Course_Announcements',
613: &mt('Event from [_1] to [_2]',
614: &Apache::lonlocal::locallocaltime($startdate),
615: &Apache::lonlocal::locallocaltime($enddate)),
616: $env{'form.msg'},'/adm/announcements','public');
617: }
1.3 www 618: }
619: # ---------------------------------------------------------------- Remove items
1.34 albertel 620: if ($env{'form.action'} eq 'del') {
1.3 www 621: my @delwhich=();
1.42 albertel 622: foreach my $key (keys(%env)) {
623: if ($key=~/^form\.remove\_(.+)$/) {
1.3 www 624: push(@delwhich,$1);
625: }
626: }
627: &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum);
628: }
629: # -------------------------------------------------------- Form to post new one
630: my %tomorrowhash=%todayhash;
631: $tomorrowhash{'day'}++;
632: my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash);
633:
1.10 www 634: &editfield($r,$today,$tomorrow,'');
1.3 www 635: }
1.5 www 636: # ----------------------------------------------------- Summarize all calendars
1.52 www 637: my %allcal=&get_all_calendars();
1.5 www 638: # ------------------------------- Initialize table and forward backward buttons
1.3 www 639: my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
640: if ($pm<1) { ($pm,$py)=(12,$year-1); }
641: if ($fm>12){ ($fm,$fy)=(1,$year+1); }
1.14 www 642:
1.20 www 643: $r->print('<h1>'.('',&mt('January'),&mt('February'),&mt('March'),
644: &mt('April'),&mt('May'),
645: &mt('June'),&mt('July'),&mt('August'),
646: &mt('September'),&mt('October'),
647: &mt('November'),&mt('December'))[$month].' '.
1.71 ! raeburn 648: $year.' '.&show_timezone().'</h1>');
1.13 www 649: # Reached the end of times, give up
650: if (($year<1970) || ($year>2037)) {
651: $r->print('<h3>No calendar available for this date.</h3>'.
652: '<a href="/adm/announcements?month='.$todayhash{'month'}.
1.47 albertel 653: '&year='.$todayhash{'year'}.'">Current Month</a>'.
654: &Apache::loncommon::end_page());
1.13 www 655: return OK;
656: }
1.49 albertel 657:
658: my $class = "LC_calendar";
659: if ($env{'form.pickdate'} eq 'yes') {
660: $class .= " LC_calendar_pickdate";
661: }
1.71 ! raeburn 662: # ------------------------------------------------ Determine first day of a week
! 663: my $datelocale = &Apache::lonlocal::getdatelocale();
! 664: my $days_in_week = 7;
! 665: my $startweek = 0;
! 666: if (ref($datelocale)) {
! 667: $startweek = $datelocale->first_day_of_week();
! 668: if ($startweek == $days_in_week) { $startweek = 0; }
! 669: }
! 670: my @days = ('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
! 671: my @localdays;
! 672: if ($startweek == 0) {
! 673: @localdays = @days;
! 674: } else {
! 675: my $endday = $days_in_week - $startweek;
! 676: for (my $i=0; $i<$days_in_week; $i++) {
! 677: if ($i < $endday) {
! 678: $localdays[$i] = $days[$i+$startweek];
! 679: } else {
! 680: $localdays[$i] = $days[$i-$endday];
! 681: }
! 682: }
! 683: }
! 684:
! 685: # ----------------------------------------------------------- Weekday in locale
! 686: my $loc_weekday = $weekday - $startweek;
! 687: if ($loc_weekday < 0) {
! 688: $loc_weekday += $days_in_week;
! 689: }
! 690:
1.13 www 691: $r->print(
1.18 www 692: '<a href="/adm/announcements?month='.$pm.'&year='.$py.
1.20 www 693: ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
1.18 www 694: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
1.20 www 695: ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
1.12 www 696: ' <a href="/adm/announcements?month='.$todayhash{'month'}.
1.18 www 697: '&year='.$todayhash{'year'}.
1.20 www 698: ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a><p>'.
1.71 ! raeburn 699: '<table class="'.$class.'" cols="7" rows="5"><tr>');
! 700: for (my $i=0; $i<@localdays; $i++) {
! 701: $r->print('<th>'.&mt($localdays[$i]).'</th>');
! 702: }
! 703: $r->print('</tr>');
1.3 www 704:
705: my $tk=&Apache::loncommon::maketime(%firstday);
706: my $outp;
707: my $nm;
708:
709: # ---------------------------------------------------------------- Actual table
710: $r->print('<tr>');
1.71 ! raeburn 711: for (my $i=0;$i<$loc_weekday;$i++) { $r->print(&emptycell); }
! 712: for (my $i=$loc_weekday;$i<=6;$i++) {
1.11 www 713: ($tk,$nm,$outp)=&showday($tk,0,%allcal);
1.3 www 714: $r->print($outp);
715: }
716: $r->print('</tr>');
717:
1.71 ! raeburn 718: my $lastrow = 0;
! 719: my $lastday = 0;
1.23 www 720: for (my $k=0;$k<=4;$k++) {
1.71 ! raeburn 721: if (!$lastrow) {
! 722: $r->print('<tr>');
! 723: for (my $i=0;$i<=6;$i++) {
! 724: if ($lastday) {
! 725: $outp = &emptycell();
! 726: } else {
! 727: my $currtk = $tk;
! 728: ($tk,$nm,$outp)=&showday($tk,0,%allcal);
! 729: if ($month!=$nm) { $lastday = 1; }
! 730: }
! 731: $r->print($outp);
! 732: }
! 733: if ($lastday) {
! 734: $lastrow = 1;
! 735: }
! 736: $r->print('</tr>');
1.3 www 737: }
738: }
739: # ------------------------------------------------------------------- End table
1.7 matthew 740: $r->print('</table>');
1.16 www 741: # ----------------------------------------------------------------- Check marks
1.49 albertel 742: undef(%showedcheck);
1.16 www 743: # --------------------------------------------------------------- Remove button
1.24 www 744: if ($allowed) { $r->print('<input type="button" onClick="removesub()" value="Remove Checked Entries">'.
745: &Apache::loncommon::help_open_topic('Calendar_Remove_Announcement').'</form>'); }
1.7 matthew 746: $r->print('<p>'.
1.18 www 747: '<a href="/adm/announcements?month='.$pm.'&year='.$py.
1.20 www 748: ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
1.18 www 749: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
1.20 www 750: ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
1.12 www 751: ' <a href="/adm/announcements?month='.$todayhash{'month'}.
1.18 www 752: '&year='.$todayhash{'year'}.
1.20 www 753: ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a></p>'.
1.47 albertel 754: ($pickdatemode?'</font>':'').&Apache::loncommon::end_page());
1.53 www 755: $r->print('<a href="/adm/announcements.ics">'.&mt('Download your Calendar as iCalendar File').'</a>');
1.1 www 756: return OK;
757: }
758:
759: 1;
760: __END__
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