Annotation of loncom/interface/lonannounce.pm, revision 1.68

1.1       www         1: # The LearningOnline Network
1.2       www         2: # Announce
1.1       www         3: #
1.68    ! albertel    4: # $Id: lonannounce.pm,v 1.67 2007/03/03 02:16:17 albertel 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);
1.3       www        41: 
1.12      www        42: my %todayhash;
1.16      www        43: my %showedcheck;
1.12      www        44: 
1.10      www        45: sub editfield {
                     46:     my ($r,$start,$end,$text)=@_;
                     47:     # Deal with date forms
                     48:     my $startdateform = &Apache::lonhtmlcommon::date_setter('anno',
                     49:                                                             'startdate',
                     50:                                                             $start);
                     51:     my $enddateform = &Apache::lonhtmlcommon::date_setter('anno',
                     52:                                                           'enddate',
                     53:                                                           $end);
1.55      albertel   54:     my $help=&Apache::loncommon::help_open_menu('Calendar Add Announcement','Calendar_Add_Announcement',274,'Communication Tools');
1.36      www        55:     my %lt=&Apache::lonlocal::texthash('post' => 'Post Announcement',
                     56: 				       'start' => 'Starting date',
                     57: 				       'end' => 'Ending date',
1.37      www        58: 				       'incrss' => 'Include in course RSS newsfeed');
1.36      www        59: 
1.10      www        60:     $r->print(<<ENDFORM);
1.25      www        61: $help
1.10      www        62: <form name="anno" method="post">
1.36      www        63: <input type="hidden" value='' name="action" />
                     64: <table><tr><td>$lt{'start'}:</td><td>$startdateform</td></tr>
                     65: <tr><td>$lt{'end'}:</td><td>$enddateform</td></tr></table>
1.10      www        66: <textarea name="msg" rows="4" cols="60">$text</textarea>
1.36      www        67: <br />
1.46      albertel   68: <label><input type="checkbox" name="rsspost" /> $lt{'incrss'}</label>
1.36      www        69: <br /><input type="button" onClick="trysubmit()" value="$lt{'post'}" /><hr />
1.10      www        70: ENDFORM
                     71: }
                     72: 
1.3       www        73: sub readcalendar {
                     74:     my $courseid=shift;
1.34      albertel   75:     my $coursenum=$env{'course.'.$courseid.'.num'};
                     76:     my $coursedom=$env{'course.'.$courseid.'.domain'};
1.3       www        77:     my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum);
                     78:     my %returnhash=();
1.42      albertel   79:     foreach my $item (keys(%thiscal)) {
                     80:         unless (($item=~/^error\:/) || ($thiscal{$item}=~/^error\:/)) {
1.64      albertel   81: 	    my ($start,$end)=split('_',$item);
                     82: 	    $returnhash{join("\0",$courseid,$start,$end)}=$thiscal{$item};
1.3       www        83:         }
                     84:     }
1.61      albertel   85:     my $can_see_hidden = ($env{'request.role.adv'} &&
                     86: 			  ($courseid eq $env{'request.course.id'}));
                     87:     
                     88:     my $navmap;
                     89:     if ($courseid eq $env{'request.course.id'}) {
                     90: 	$navmap = Apache::lonnavmaps::navmap->new();
                     91:     }
1.68    ! albertel   92: 
        !            93:     my $resourcedata=
1.65      albertel   94: 	&Apache::lonnet::get_courseresdata($coursenum,$coursedom);
1.68    ! albertel   95:     foreach my $thiskey (keys(%$resourcedata)) {
        !            96: 	if ($resourcedata->{$thiskey.'.type'}=~/^date/) {
1.53      www        97: 	    my ($course,$middle,$part,$name)=
1.68    ! albertel   98: 		($thiskey=~/^(\Q$courseid\E)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
        !            99: 
1.56      albertel  100: 	    my %data = ( 'section' => &mt('All Students'));
1.53      www       101: 	    if ($middle=~/^\[(.*)\]\./) {
                    102: 		my $sec=$1;
                    103: 		# if we have a section don't show ones that aren't ours
                    104: 		if ($env{'request.course.sec'} &&
                    105: 		    $env{'request.course.sec'} ne $sec) { next; }
                    106: 		# if a student without a section don't show any section ones
                    107: 		if (!$env{'request.role.adv'} &&
                    108: 		    !$env{'request.course.sec'}) { next; }
1.56      albertel  109: 		$data{'section'}=&mt('Group/Section').': '.$1;
1.53      www       110: 		$middle=~s/^\[(.*)\]\.//;
                    111: 	    }
                    112: 	    $middle=~s/\.$//;
1.56      albertel  113: 	    $data{'realm'}=&mt('All Resources');
1.53      www       114: 	    if ($middle eq '___(all)') {
                    115: 		if (!$can_see_hidden && !$navmap) {
                    116: 		    next;
                    117: 		}
                    118: 	    } elsif ($middle=~/^(.+)\_\_\_\(all\)$/) {
                    119: 		my $map_url=$1;
                    120: 		if (!$can_see_hidden && !$navmap) {
                    121: 		    next;
                    122: 		}
                    123: 		if (!$can_see_hidden) {
                    124: 		    my $res = $navmap->getResourceByUrl($map_url);
1.68    ! albertel  125: 		    if ($res && $res->randomout()) {
        !           126: 			next;
        !           127: 		    }
1.26      www       128: 		}
1.56      albertel  129: 		$data{'realm'}=&mt('Folder/Map');
                    130: 		$data{'url'} = $map_url;
1.53      www       131: 	    } elsif ($middle) {
                    132: 		if (!$can_see_hidden && !$navmap) {
                    133: 		    next;
1.26      www       134: 		}
1.53      www       135: 		if (!$can_see_hidden) {
                    136: 		    my $res = $navmap->getBySymb($middle);
1.68    ! albertel  137: 		    if ($res && $res->randomout()) {
        !           138: 			next;
        !           139: 		    }
1.53      www       140: 		}
1.56      albertel  141: 		$data{'realm'} = &mt('Resource');
                    142: 		$data{'symb'} = $middle;
1.53      www       143: 	    }
1.56      albertel  144: 	    $data{'datetype'} = $name;
1.53      www       145: 	    if ($name eq 'duedate') { 
1.56      albertel  146: 		$data{'datetype'} = &mt('Due'); 
1.28      www       147: # see if accidentally answerdate is before duedate
1.53      www       148: 		my $answerkey=$thiskey;
                    149: 		$answerkey=~s/duedate$/answerdate/;
1.68    ! albertel  150: 		if ($resourcedata->{$thiskey}>$resourcedata->{$answerkey}) {
1.56      albertel  151: 		    $data{'datetype'} = &mt('Due and Answer Available');
1.28      www       152: 		}
1.53      www       153: 	    }
1.56      albertel  154: 	    if ($name eq 'opendate' 
                    155: 		|| $name eq 'contentopen' ) {
                    156: 		$data{'datetype'}=&mt('Opening');
                    157: 	    }
                    158: 	    if ($name eq 'contentclose') {
                    159: 		$data{'datetype'}=&mt('Closing');
                    160: 	    }
1.53      www       161: 	    if ($name eq 'answerdate') {
1.28      www       162: # see if accidentally answerdate is before duedate
1.53      www       163: 		my $duekey=$thiskey;
                    164: 		$duekey=~s/answerdate$/duedate/;
1.68    ! albertel  165: 		if ($resourcedata->{$duekey}>$resourcedata->{$thiskey}) {
1.28      www       166: # forget it
1.53      www       167: 		    next;
                    168: 		} 
1.56      albertel  169: 		$data{'datetype'}=&mt('Answer Available'); 
1.53      www       170: 	    }
1.64      albertel  171: 	    $returnhash{join("\0",$courseid,
1.68    ! albertel  172: 			     $resourcedata->{$thiskey},
        !           173: 			     $resourcedata->{$thiskey})}=\%data;
1.26      www       174: 	}
                    175:     }
1.3       www       176:     return %returnhash;
                    177: }
                    178: 
                    179: sub emptycell {
1.49      albertel  180:     return '<td class="LC_calendar_day_empty">&nbsp;</td>';
1.3       www       181: }
                    182: 
                    183: sub normalcell {
1.56      albertel  184:     my ($day,$month,$year,$items_ref)=@_;
1.51      albertel  185:     my $output;
1.56      albertel  186:     my @items=&order($items_ref);
1.40      albertel  187:     foreach my $item (@items) {
                    188:         if ($item) {
1.56      albertel  189: 	    my ($courseid,$start,$end,$msg)=@$item;
                    190: 	    my $internalflag= (ref($msg)) ? 1 : 0;
                    191: 	    $msg = &display_msg($msg);
1.34      albertel  192:             my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
1.32      www       193: 		'\n'.&Apache::lonlocal::locallocaltime($start);
1.26      www       194: 	    if ($start!=$end) {
                    195: 		$fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
                    196: 	    }
1.32      www       197: 	    $fullmsg.=':\n'.$msg;
1.56      albertel  198: 	    $fullmsg=~s/[\n\r]/\\n/gs;
                    199:             $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
                    200:             $fullmsg=~s/&/\\&/g;
                    201: 	    my $short_msg = substr($msg,0,20).((length($msg) > 20)?'...':'');
                    202: 	    if (defined($output)) { $output.='<br />'; }
1.34      albertel  203:             if ($courseid eq $env{'request.course.id'}) {
                    204:               if ((&Apache::lonnet::allowed('srm',$env{'request.course.id'}))
1.19      www       205:                && (!$showedcheck{$start.'_'.$end})
1.34      albertel  206: 	       && ($env{'form.pickdate'} ne 'yes')
1.26      www       207: 	       && (!$internalflag)) {
1.5       www       208:                $output.='<input type="checkbox" name="remove_'.$start.'_'.
                    209: 		   $end.'">';
1.16      www       210:                $showedcheck{$start.'_'.$end}=1;
1.5       www       211: 	      }
                    212: 	    }
                    213:             $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.51      albertel  214: 	       $short_msg.'</a>';
1.4       www       215:        }
                    216:     }
1.49      albertel  217:     return '<td class="LC_calendar_day'.
1.12      www       218: 	((($day eq $todayhash{'day'}) &&
                    219:           ($month eq $todayhash{'month'}) &&
1.49      albertel  220:           ($year eq $todayhash{'year'}))?'_current':'').
                    221:            '" ><b>'.&picklink($day,$day,$month,$year).'</b><br />'.$output.'</td>';
1.3       www       222: }
                    223: 
1.11      www       224: sub plaincell {
1.56      albertel  225:     my ($items_ref)=@_;
1.51      albertel  226:     my $output;
1.56      albertel  227:     my @items=&order($items_ref);
1.40      albertel  228:     foreach my $item (@items) {
1.56      albertel  229:         if (ref($item)) {
                    230: 	    my ($courseid,$start,$end,$msg)=@$item;
1.34      albertel  231:             my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
1.32      www       232: 		'\n'.&Apache::lonlocal::locallocaltime($start);
1.26      www       233: 	    if ($start!=$end) {
                    234: 		$fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
                    235: 	    }
1.56      albertel  236: 	    $msg = &display_msg($msg);
1.32      www       237: 	    $fullmsg.=':\n'.$msg;
                    238:  	    $fullmsg=~s/[\n\r]/\\n/gs;
1.15      www       239:             $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
                    240:             $fullmsg=~s/&/\\&/g;
1.51      albertel  241: 	    my $short_msg = substr($msg,0,80).((length($msg) > 80)?'...':'');
                    242: 	    if (defined($output)) { $output.='<br />'; }
1.11      www       243:             $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.51      albertel  244: 	       $short_msg.'</a>';
1.11      www       245:        }
                    246:     }
                    247:     return $output;
                    248: }
                    249: 
                    250: sub listcell {
1.56      albertel  251:     my ($items_ref)=@_;
1.11      www       252:     my $output='';
1.56      albertel  253:     my @items=&order($items_ref);
1.40      albertel  254:     foreach my $item (@items) {
1.56      albertel  255:         if (ref($item)) {
                    256: 	    my ($courseid,$start,$end,$msg)=@$item;
                    257: 	    my $fullmsg=&Apache::lonlocal::locallocaltime($start);
1.26      www       258: 	    if ($start!=$end) {
                    259: 		$fullmsg.=&mt(' to ').
                    260: 		    &Apache::lonlocal::locallocaltime($end);
                    261: 	    }
1.56      albertel  262:             $fullmsg.=':<br /><b>'.&display_msg($msg).'</b>';
1.11      www       263:             $output.='<li>'.$fullmsg.'</li>';
                    264:        }
                    265:     }
                    266:     return $output;
                    267: }
                    268: 
1.40      albertel  269: sub order {
1.56      albertel  270:     my ($items)=@_;
                    271:     return sort {
                    272: 	my ($astart,$aend)=$a->[1,2];
                    273: 	my ($bstart,$bend)=$b->[1,2];
1.40      albertel  274: 	if ($astart != $bstart) {
                    275: 	    return $astart <=> $bstart;
                    276: 	}
                    277: 	return $aend <=> $bend;
1.56      albertel  278:     } @$items;
1.40      albertel  279: }
                    280: 
1.3       www       281: sub nextday {
                    282:     my %th=@_;
                    283:     $th{'day'}++;
                    284:     return (&Apache::loncommon::maketime(%th),$th{'month'});
                    285: }
                    286: 
1.56      albertel  287: sub display_msg {
                    288:     my ($msg) = @_;
                    289: 
                    290:     # if it's not a ref, it's an instructor provided message
                    291:     return $msg if (!ref($msg));
                    292: 
                    293:     my $output = $msg->{'datetype'}. ': '.$msg->{'realm'};
                    294:     if (exists($msg->{'url'})) {
1.59      www       295: 	my $displayurl=&Apache::lonnet::gettitle($msg->{'url'});
                    296: 	if ($msg->{'url'}!~/\Q$displayurl\E$/) {
                    297: 	    $output .= ' - '.$displayurl;
                    298: 	}
1.56      albertel  299:     }
                    300:     if (exists($msg->{'symb'})) {
1.59      www       301: 	my $displaysymb=&Apache::lonnet::gettitle($msg->{'symb'});
                    302: 	if ($msg->{'symb'}!~/\Q$displaysymb\E$/) {
                    303: 	    $output .= ' - '.$displaysymb;
                    304: 	}
1.56      albertel  305:     }
                    306:     $output .= ' ('.$msg->{'section'}.') ';
                    307:     return $output;
                    308: }
                    309: 
1.3       www       310: sub showday {
1.11      www       311:     my ($tk,$mode,%allcal)=@_;
1.3       www       312:     my %th=&Apache::loncommon::timehash($tk);
                    313:     my ($nextday,$nextmonth)=&nextday(%th);
1.56      albertel  314:     my @outp;
1.27      www       315:     if ($mode) {
                    316: 	my $oneday=24*3600;
                    317: 	$tk-=$oneday;
                    318: 	$nextday+=$oneday;
                    319:     }
1.40      albertel  320:     foreach my $item (keys(%allcal)) {
1.64      albertel  321: 	my ($courseid,$startdate,$enddate)= split("\0",$item);
                    322: 	if (($startdate<$nextday) && ($enddate>=$tk))  {
                    323: 	    push(@outp,[$courseid,$startdate,$enddate,$allcal{$item}]);
1.3       www       324:         }
                    325:     }
1.11      www       326:     unless ($mode) {
1.12      www       327:        return ($nextday,$nextmonth,&normalcell(
1.56      albertel  328:                $th{'day'},$th{'month'},$th{'year'},\@outp));
                    329:    } elsif (@outp) {
1.11      www       330:        if ($mode==1) {
1.56      albertel  331:           return '<br />'.&plaincell(\@outp);
1.11      www       332:       } else {
1.56      albertel  333:           return '<ul>'.&listcell(\@outp).'</ul>';
1.11      www       334:       }
                    335:    } else {
                    336:        return '';
                    337:    }
1.3       www       338: }
1.1       www       339: 
1.19      www       340: sub picklink {
                    341:     my ($text,$day,$month,$year)=@_;
1.34      albertel  342:     if ($env{'form.pickdate'} eq 'yes') {
1.19      www       343: 	return '<a href="javascript:dialin('.$day.','.$month.','.$year.')">'.
                    344: 	    $text.'</a>';
                    345:     } else {
                    346: 	return $text;
                    347:     }
                    348: }
                    349: 
                    350: sub dialscript {
                    351:     return (<<ENDDIA);
                    352: <script language="Javascript">
                    353: function dialin(day,month,year) {
1.34      albertel  354: 	opener.document.$env{'form.formname'}.$env{'form.element'}\_year.value=year;
                    355:     var slct=opener.document.$env{'form.formname'}.$env{'form.element'}\_month;
1.19      www       356:     var i;
                    357:     for (i=0;i<slct.length;i++) {
                    358:         if (slct.options[i].value==month) { slct.selectedIndex=i; }
                    359:     }
1.34      albertel  360:     opener.document.$env{'form.formname'}.$env{'form.element'}\_day.value=day;
                    361:     opener.$env{'form.element'}\_checkday();
1.19      www       362:     self.close();
                    363: }
                    364: </script>
                    365: ENDDIA
                    366: }
1.52      www       367: # ----------------------------------------------------- Summarize all calendars
                    368: sub get_all_calendars {
                    369:     my %allcal=();
1.62      raeburn   370:     my %courses = &Apache::loncommon::findallcourses();
                    371:     foreach my $course (sort(keys(%courses))) {
1.52      www       372: 	%allcal=(%allcal,&readcalendar($course));
                    373:     }
                    374:     return %allcal;
                    375: }
                    376: 
                    377: sub output_ics_file {
                    378:     my ($r)=@_;
                    379: # RFC 2445 wants CRLF
                    380:     my $crlf="\015\012";
                    381: # Header
                    382:     $r->print("BEGIN:VCALENDAR$crlf");
                    383:     $r->print("VERSION:2.0$crlf");
                    384:     $r->print("PRODID:-//LONCAPA//LONCAPA Calendar Output//EN$crlf");
                    385:     my %allcal=&get_all_calendars();
                    386:     foreach my $event (keys(%allcal)) {
1.64      albertel  387: 	my ($courseid,$startdate,$enddate)= split('\0',$event);
1.53      www       388: 	my $uid=$event;
                    389: 	$uid=~s/[\W\_]/-/gs;
                    390: 	$uid.='@loncapa';
1.56      albertel  391: 	my $summary=&display_msg($allcal{$event});
1.53      www       392: 	$summary=~s/\s+/ /gs;
                    393:         $summary=$env{'course.'.$courseid.'.description'}.': '.$summary;
1.52      www       394: 	$r->print("BEGIN:VEVENT$crlf");
                    395: 	$r->print("DTSTART:".&Apache::loncommon::utc_string($startdate).$crlf);
                    396: 	$r->print("DTEND:".&Apache::loncommon::utc_string($enddate).$crlf);
1.53      www       397: 	$r->print("SUMMARY:$summary$crlf");
                    398: 	$r->print("UID:$uid$crlf");
1.52      www       399: 	$r->print("END:VEVENT$crlf");
                    400:     }
                    401: # Footer
                    402:     $r->print("END:VCALENDAR$crlf");
                    403: }
1.19      www       404: 
1.1       www       405: sub handler {
                    406:     my $r = shift;
1.52      www       407:     if ($r->uri=~/\.(ics|ical)$/) {
                    408:         &Apache::loncommon::content_type($r,'text/calendar');
                    409: 	&output_ics_file($r);
                    410: 	return OK;
                    411:     }
1.21      www       412:     &Apache::loncommon::content_type($r,'text/html');
1.1       www       413:     $r->send_http_header;
                    414:     return OK if $r->header_only;
                    415: 
1.3       www       416: # ---------------------------------------------------------- Get time right now
                    417:     my $today=time;
1.12      www       418:     %todayhash=&Apache::loncommon::timehash($today);
1.16      www       419: # ----------------------------------------------------------------- Check marks
1.49      albertel  420:     undef(%showedcheck);
1.3       www       421: # ---------------------------------------------------------- Get month and year
                    422:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.19      www       423:                              ['month','year','pickdate','formname','element']);
1.3       www       424: # --------------------------------------------------- Decide what month to show
                    425:     my $year=$todayhash{'year'};
1.34      albertel  426:     if ($env{'form.year'}) { $year=$env{'form.year'}; }
1.3       www       427:     my $month=$todayhash{'month'};
1.34      albertel  428:     if ($env{'form.month'}) { $month=$env{'form.month'}; }
1.18      www       429: 
                    430: # ---------------------------------------------- See if we are in pickdate mode
1.34      albertel  431:     my $pickdatemode=($env{'form.pickdate'} eq 'yes');
                    432:     my $pickinfo='&pickdate=yes&formname='.$env{'form.formname'}.
                    433: 	'&element='.$env{'form.element'};
1.3       www       434: # --------------------------------------------- Find out first day of the month
                    435: 
                    436:     my %firstday=&Apache::loncommon::timehash(
                    437:        &Apache::loncommon::maketime( 'day' => 1, 'month'=> $month,
                    438:                                      'year' => $year, 'hours' => 0,
                    439: 				     'minutes' => 0, 'seconds' => 0,
1.30      www       440:                                      'dlsav' => -1 ));
1.3       www       441:     my $weekday=$firstday{'weekday'};
                    442: # ------------------------------------------------------------ Print the screen
1.47      albertel  443:     my $js = <<ENDDOCUMENT;
                    444: <script type="text/javascript">
1.3       www       445: 
                    446:     function trysubmit() {
                    447:         document.anno.action.value="new";
                    448: 	document.anno.submit();
                    449:     }
                    450: 
                    451:     function removesub() {
                    452:         document.anno.action.value="del";
                    453: 	document.anno.submit();
                    454:     }
                    455: </script>
1.1       www       456: ENDDOCUMENT
1.47      albertel  457: 
1.18      www       458:     if ($pickdatemode) {
                    459: # no big header in pickdate mode
1.47      albertel  460: 	$r->print(&Apache::loncommon::start_page("Pick a Date",$js,
                    461: 						 {'only_body' => 1,}).
1.19      www       462: 		  &dialscript().
1.18      www       463: 		  '<font size="1">');
                    464:     } else {
1.47      albertel  465:        $r->print(&Apache::loncommon::start_page("Announcements and Calendar",
                    466: 						$js));
1.18      www       467:     }
1.3       www       468: # does this user have privileges to post, etc?
                    469:     my $allowed=0;
1.34      albertel  470:     if ($env{'request.course.id'}) {
                    471:        $allowed=&Apache::lonnet::allowed('srm',$env{'request.course.id'});
1.3       www       472:     }
1.17      www       473: # does this user have privileges to post to servers?
                    474:     my $serverpost=0;
1.34      albertel  475:     if ($env{'request.role.domain'}) {
1.17      www       476: 	$serverpost=&Apache::lonnet::allowed('psa',
1.34      albertel  477: 					     $env{'request.role.domain'});
1.17      www       478:     } else {
                    479: 	$serverpost=&Apache::lonnet::allowed('psa','/');
                    480:     }
1.18      www       481: # -------------------------------- BUT: do no fancy stuff when in pickdate mode
                    482:     if ($pickdatemode) { 
                    483: 	$serverpost=0; 
                    484: 	$allowed=0;
                    485:     }
1.17      www       486: # ------------------------------------------------------------ Process commands
                    487:     if ($serverpost) {
1.34      albertel  488: 	if ($env{'form.serveraction'}) {
1.42      albertel  489: 	    foreach my $key (keys(%env)) {
                    490: 		if ($key=~/^form\.postto\_(\w+)/) {
1.17      www       491: 		    $r->print( 
                    492: 			'<br />Posting '.$1.': '.&Apache::lonnet::postannounce
1.34      albertel  493: 			($1,$env{'form.serverannnounce'}));
1.17      www       494: 		}
                    495: 	    }
                    496: 	}
                    497: 	$r->print(<<SERVERANNOUNCE);
                    498: <form name="serveranno" method="post">
                    499: <h3>Post Server Announcements</h3>
                    500: Post announcements to the system login and roles screen<br />
                    501: <i>(leave blank to delete announcement)</i><br />
                    502: <textarea name="serverannnounce" cols="60" rows="5"></textarea><br />
                    503: Check machines:<br />
                    504: SERVERANNOUNCE
                    505: # list servers
1.66      albertel  506:     my %hostname = &Apache::lonnet::all_hostnames();
                    507:     foreach my $host (sort(keys(%hostname))) {
1.67      albertel  508: 	if (&Apache::lonnet::allowed('psa',
                    509: 				     &Apache::lonnet::host_domain($host))) {
1.60      albertel  510: 	    $r->print ('<br /><label><input type="checkbox" name="postto_'.$host.'" /> '.
1.66      albertel  511: 		       $host.' <tt>'.$hostname{$host}.'</tt> '.
                    512: 		       '</label><a href="http://'.$hostname{$host}.
1.17      www       513: 		       '/announcement.txt" target="annowin">current</a>');
                    514: 	}
                    515:     }
                    516:     $r->print(
                    517:   '<br /><input type="submit" name="serveraction" value="Post"></form><hr />');
                    518:     }
1.3       www       519:     if ($allowed) {
1.34      albertel  520:         my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
                    521:         my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.3       www       522: # ----------------------------------------------------- Store new submitted one
1.34      albertel  523:         if ($env{'form.action'} eq 'new') {
1.9       www       524: 	    my $startdate = 
                    525: 		&Apache::lonhtmlcommon::get_date_from_form('startdate');
                    526: 	    my $enddate   = 
                    527: 		&Apache::lonhtmlcommon::get_date_from_form('enddate');
                    528: 	    unless ($startdate=~/^\d+$/) { $startdate=time; }
                    529:             unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; }
                    530:             if ($startdate>$enddate) {
                    531: 		my $buffer=$startdate;
                    532: 		$startdate=$enddate;
                    533: 		$enddate=$buffer;
                    534:             }
1.3       www       535: 	    &Apache::lonnet::put('calendar',{ 
1.9       www       536: 		$startdate.'_'.$enddate => 
1.34      albertel  537: 		    $env{'form.msg'} },$coursedom,$coursenum);
1.36      www       538: 	    if ($env{'form.rsspost'}) {
                    539:                &Apache::lonrss::addentry($coursenum,$coursedom,'Course_Announcements',
                    540: 					 &mt('Event from [_1] to [_2]',
                    541: 					     &Apache::lonlocal::locallocaltime($startdate),
                    542: 					     &Apache::lonlocal::locallocaltime($enddate)),
                    543: 					 $env{'form.msg'},'/adm/announcements','public');
                    544: 	   }
1.3       www       545:         }
                    546: # ---------------------------------------------------------------- Remove items
1.34      albertel  547:         if ($env{'form.action'} eq 'del') {
1.3       www       548: 	    my @delwhich=();
1.42      albertel  549:             foreach my $key (keys(%env)) {
                    550: 		if ($key=~/^form\.remove\_(.+)$/) {
1.3       www       551: 		    push(@delwhich,$1);
                    552:                 }
                    553:             }
                    554:             &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum);
                    555:         }
                    556: # -------------------------------------------------------- Form to post new one
                    557:         my %tomorrowhash=%todayhash;
                    558:         $tomorrowhash{'day'}++;
                    559:         my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash);
                    560:         
1.10      www       561:         &editfield($r,$today,$tomorrow,'');
1.3       www       562:     }
1.5       www       563: # ----------------------------------------------------- Summarize all calendars
1.52      www       564:     my %allcal=&get_all_calendars();
1.5       www       565: # ------------------------------- Initialize table and forward backward buttons
1.3       www       566:     my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
                    567:     if ($pm<1) { ($pm,$py)=(12,$year-1); }
                    568:     if ($fm>12){ ($fm,$fy)=(1,$year+1); }
1.14      www       569: 
1.20      www       570:     $r->print('<h1>'.('',&mt('January'),&mt('February'),&mt('March'),
                    571: 		      &mt('April'),&mt('May'),
                    572: 		      &mt('June'),&mt('July'),&mt('August'),
                    573:                       &mt('September'),&mt('October'),
                    574:                       &mt('November'),&mt('December'))[$month].' '.
                    575: 	              $year.'</h1>');
1.13      www       576: # Reached the end of times, give up
                    577:     if (($year<1970) || ($year>2037)) {
                    578: 	$r->print('<h3>No calendar available for this date.</h3>'.
                    579:  '<a href="/adm/announcements?month='.$todayhash{'month'}.
1.47      albertel  580:  '&year='.$todayhash{'year'}.'">Current Month</a>'.
                    581: 		  &Apache::loncommon::end_page());
1.13      www       582: 	return OK;
                    583:     }
1.49      albertel  584: 
                    585:     my $class = "LC_calendar";
                    586:     if ($env{'form.pickdate'} eq 'yes') {
                    587: 	$class .= " LC_calendar_pickdate";
                    588:     }
1.13      www       589:     $r->print(
1.18      www       590:  '<a href="/adm/announcements?month='.$pm.'&year='.$py.
1.20      www       591:  ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
1.18      www       592:  '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
1.20      www       593:  ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
1.12      www       594:  '&nbsp;&nbsp;&nbsp;<a href="/adm/announcements?month='.$todayhash{'month'}.
1.18      www       595:  '&year='.$todayhash{'year'}.
1.20      www       596:  ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a><p>'.
1.49      albertel  597:         '<table class="'.$class.'" cols="7" rows="5"><tr>
                    598: <th>'.&mt('Sun').'</th>
                    599: <th>'.&mt('Mon').'</th>
                    600: <th>'.&mt('Tue').'</th>
                    601: <th>'.&mt('Wed').'</th>
                    602: <th>'.&mt('Thu').'</th>
                    603: <th>'.&mt('Fri').'</th>
                    604: <th>'.&mt('Sat').'</th></tr>');
1.3       www       605: 
                    606:     my $tk=&Apache::loncommon::maketime(%firstday);
                    607:     my $outp;
                    608:     my $nm;
                    609: 
                    610: # ---------------------------------------------------------------- Actual table
                    611:     $r->print('<tr>');
                    612:     for (my $i=0;$i<$weekday;$i++) { $r->print(&emptycell); }
                    613:     for (my $i=$weekday;$i<=6;$i++) { 
1.11      www       614:         ($tk,$nm,$outp)=&showday($tk,0,%allcal);
1.3       www       615:         $r->print($outp);
                    616:     }
                    617:     $r->print('</tr>');
                    618: 
1.23      www       619:     for (my $k=0;$k<=4;$k++) {
1.3       www       620:         $r->print('<tr>');
                    621:         for (my $i=0;$i<=6;$i++) {
1.11      www       622:             ($tk,$nm,$outp)=&showday($tk,0,%allcal);
1.3       www       623:             if ($month!=$nm) { $outp=&emptycell; }
                    624:             $r->print($outp);
                    625:         }
                    626:         $r->print('</tr>');
                    627:     }
                    628: # ------------------------------------------------------------------- End table
1.7       matthew   629:     $r->print('</table>');
1.16      www       630: # ----------------------------------------------------------------- Check marks
1.49      albertel  631:     undef(%showedcheck);
1.16      www       632: # --------------------------------------------------------------- Remove button
1.24      www       633:     if ($allowed) { $r->print('<input type="button" onClick="removesub()" value="Remove Checked Entries">'.
                    634: 			      &Apache::loncommon::help_open_topic('Calendar_Remove_Announcement').'</form>'); }
1.7       matthew   635:     $r->print('<p>'.
1.18      www       636:  '<a href="/adm/announcements?month='.$pm.'&year='.$py.
1.20      www       637:  ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
1.18      www       638:  '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
1.20      www       639:  ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
1.12      www       640:  '&nbsp;&nbsp;&nbsp;<a href="/adm/announcements?month='.$todayhash{'month'}.
1.18      www       641:  '&year='.$todayhash{'year'}.
1.20      www       642:  ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a></p>'.
1.47      albertel  643:  ($pickdatemode?'</font>':'').&Apache::loncommon::end_page());
1.53      www       644:     $r->print('<a href="/adm/announcements.ics">'.&mt('Download your Calendar as iCalendar File').'</a>');
1.1       www       645:     return OK;
                    646: } 
                    647: 
                    648: 1;
                    649: __END__

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