Annotation of loncom/interface/lonannounce.pm, revision 1.55

1.1       www         1: # The LearningOnline Network
1.2       www         2: # Announce
1.1       www         3: #
1.55    ! albertel    4: # $Id: lonannounce.pm,v 1.54 2006/06/07 22:30:23 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();
1.3       www        40: 
1.12      www        41: my %todayhash;
1.16      www        42: my %showedcheck;
1.12      www        43: 
1.10      www        44: sub editfield {
                     45:     my ($r,$start,$end,$text)=@_;
                     46:     # Deal with date forms
                     47:     my $startdateform = &Apache::lonhtmlcommon::date_setter('anno',
                     48:                                                             'startdate',
                     49:                                                             $start);
                     50:     my $enddateform = &Apache::lonhtmlcommon::date_setter('anno',
                     51:                                                           'enddate',
                     52:                                                           $end);
1.55    ! albertel   53:     my $help=&Apache::loncommon::help_open_menu('Calendar Add Announcement','Calendar_Add_Announcement',274,'Communication Tools');
1.36      www        54:     my %lt=&Apache::lonlocal::texthash('post' => 'Post Announcement',
                     55: 				       'start' => 'Starting date',
                     56: 				       'end' => 'Ending date',
1.37      www        57: 				       'incrss' => 'Include in course RSS newsfeed');
1.36      www        58: 
1.10      www        59:     $r->print(<<ENDFORM);
1.25      www        60: $help
1.10      www        61: <form name="anno" method="post">
1.36      www        62: <input type="hidden" value='' name="action" />
                     63: <table><tr><td>$lt{'start'}:</td><td>$startdateform</td></tr>
                     64: <tr><td>$lt{'end'}:</td><td>$enddateform</td></tr></table>
1.10      www        65: <textarea name="msg" rows="4" cols="60">$text</textarea>
1.36      www        66: <br />
1.46      albertel   67: <label><input type="checkbox" name="rsspost" /> $lt{'incrss'}</label>
1.36      www        68: <br /><input type="button" onClick="trysubmit()" value="$lt{'post'}" /><hr />
1.10      www        69: ENDFORM
                     70: }
                     71: 
1.3       www        72: sub readcalendar {
                     73:     my $courseid=shift;
1.34      albertel   74:     my $coursenum=$env{'course.'.$courseid.'.num'};
                     75:     my $coursedom=$env{'course.'.$courseid.'.domain'};
1.3       www        76:     my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum);
                     77:     my %returnhash=();
1.42      albertel   78:     foreach my $item (keys(%thiscal)) {
                     79:         unless (($item=~/^error\:/) || ($thiscal{$item}=~/^error\:/)) {
                     80: 	   $returnhash{$courseid.'@'.$item}=$thiscal{$item};
1.3       www        81:         }
                     82:     }
1.43      albertel   83: 
1.53      www        84:     my $can_see_hidden = $env{'request.role.adv'};
1.54      albertel   85:     my $navmap;# = Apache::lonnavmaps::navmap->new();
1.53      www        86:     my %resourcedata=
                     87: 	&Apache::lonnet::dump('resourcedata',$coursedom,$coursenum);
                     88:     foreach my $thiskey (sort keys %resourcedata) {
                     89: 	if ($resourcedata{$thiskey.'.type'}=~/^date/) {
                     90: 	    my ($course,$middle,$part,$name)=
                     91: 		($thiskey=~/^(\w+)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
                     92: 	    my $section=&mt('All Students');
                     93: 	    if ($middle=~/^\[(.*)\]\./) {
                     94: 		my $sec=$1;
                     95: 		# if we have a section don't show ones that aren't ours
                     96: 		if ($env{'request.course.sec'} &&
                     97: 		    $env{'request.course.sec'} ne $sec) { next; }
                     98: 		# if a student without a section don't show any section ones
                     99: 		if (!$env{'request.role.adv'} &&
                    100: 		    !$env{'request.course.sec'}) { next; }
                    101: 		$section=&mt('Group/Section').': '.$1;
                    102: 		$middle=~s/^\[(.*)\]\.//;
                    103: 	    }
                    104: 	    $middle=~s/\.$//;
                    105: 	    my $realm=&mt('All Resources');
                    106: 	    if ($middle eq '___(all)') {
                    107: 		if (!$can_see_hidden && !$navmap) {
                    108: 		    next;
                    109: 		}
                    110: 	    } elsif ($middle=~/^(.+)\_\_\_\(all\)$/) {
                    111: 		my $map_url=$1;
                    112: 		if (!$can_see_hidden && !$navmap) {
                    113: 		    next;
                    114: 		}
                    115: 		if (!$can_see_hidden) {
                    116: 		    my $res = $navmap->getResourceByUrl($map_url);
                    117: 		    if ($res && $res->randomout()) { next; }
1.26      www       118: 		}
1.54      albertel  119: 		# need to do this looks up in showday or /*cell for speed resaons
                    120: 		#$realm=&mt('Folder/Map').': '.&Apache::lonnet::gettitle($map_url);
                    121: 		$realm=&mt('Folder/Map').': '.$map_url;
1.53      www       122: 	    } elsif ($middle) {
                    123: 		if (!$can_see_hidden && !$navmap) {
                    124: 		    next;
1.26      www       125: 		}
1.53      www       126: 		if (!$can_see_hidden) {
                    127: 		    my $res = $navmap->getBySymb($middle);
                    128: 		    if ($res && $res->randomout()) { next; }
                    129: 		}
1.54      albertel  130: 		#$realm=&mt('Resource').': '.&Apache::lonnet::gettitle($middle);
                    131: 		$realm=&mt('Resource').': '.$middle;
1.53      www       132: 	    }
                    133: 	    my $datetype='';
                    134: 	    if ($name eq 'duedate') { 
                    135: 		$datetype=&mt('Due'); 
1.28      www       136: # see if accidentally answerdate is before duedate
1.53      www       137: 		my $answerkey=$thiskey;
                    138: 		$answerkey=~s/duedate$/answerdate/;
                    139: 		if ($resourcedata{$thiskey}>$resourcedata{$answerkey}) {
                    140: 		    $datetype=&mt('Due and Answer Available');
1.28      www       141: 		}
1.53      www       142: 	    }
                    143: 	    if ($name eq 'opendate') { $datetype=&mt('Opening'); }
                    144: 	    if ($name eq 'answerdate') {
1.28      www       145: # see if accidentally answerdate is before duedate
1.53      www       146: 		my $duekey=$thiskey;
                    147: 		$duekey=~s/answerdate$/duedate/;
                    148: 		if ($resourcedata{$duekey}>$resourcedata{$thiskey}) {
1.28      www       149: # forget it
1.53      www       150: 		    next;
                    151: 		} 
                    152: 		$datetype=&mt('Answer Available'); 
                    153: 	    }
                    154: 	    $returnhash{$courseid.'@'.$resourcedata{$thiskey}.'_'.
1.26      www       155: 			    $resourcedata{$thiskey}}=
                    156: 			    'INTERNAL:'.$datetype.': '.$realm.' ('.$section.')';
                    157: 	}
                    158:     }
1.3       www       159:     return %returnhash;
                    160: }
                    161: 
                    162: sub emptycell {
1.49      albertel  163:     return '<td class="LC_calendar_day_empty">&nbsp;</td>';
1.3       www       164: }
                    165: 
                    166: sub normalcell {
1.12      www       167:     my ($day,$month,$year,$text)=@_;
1.51      albertel  168:     my $output;
1.40      albertel  169:     my @items=&order($text);
                    170:     foreach my $item (@items) {
                    171:         if ($item) {
1.26      www       172: 	    my $internalflag=0;
1.41      albertel  173: 	    my ($courseid,$start,$end,$msg)=split(/\@/,$item,4);
1.26      www       174: 	    if ($msg=~/INTERNAL\:/) {
                    175: 		$msg=~s/INTERNAL\://gs;
                    176: 		$internalflag=1;
                    177: 	    }
1.34      albertel  178:             my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
1.32      www       179: 		'\n'.&Apache::lonlocal::locallocaltime($start);
1.26      www       180: 	    if ($start!=$end) {
                    181: 		$fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
                    182: 	    }
1.32      www       183: 	    $fullmsg.=':\n'.$msg;
1.34      albertel  184:             if ($courseid eq $env{'request.course.id'}) {
                    185:               if ((&Apache::lonnet::allowed('srm',$env{'request.course.id'}))
1.19      www       186:                && (!$showedcheck{$start.'_'.$end})
1.34      albertel  187: 	       && ($env{'form.pickdate'} ne 'yes')
1.26      www       188: 	       && (!$internalflag)) {
1.5       www       189:                $output.='<input type="checkbox" name="remove_'.$start.'_'.
                    190: 		   $end.'">';
1.16      www       191:                $showedcheck{$start.'_'.$end}=1;
1.5       www       192: 	      }
                    193: 	    }
1.32      www       194: 	    $fullmsg=~s/[\n\r]/\\n/gs;
1.15      www       195:             $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
                    196:             $fullmsg=~s/&/\\&/g;
1.50      albertel  197: 	    my $short_msg = substr($msg,0,20).((length($msg) > 20)?'...':'');
1.51      albertel  198: 	    if (defined($output)) { $output.='<br />'; }
1.5       www       199:             $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.51      albertel  200: 	       $short_msg.'</a>';
1.4       www       201:        }
                    202:     }
1.49      albertel  203:     return '<td class="LC_calendar_day'.
1.12      www       204: 	((($day eq $todayhash{'day'}) &&
                    205:           ($month eq $todayhash{'month'}) &&
1.49      albertel  206:           ($year eq $todayhash{'year'}))?'_current':'').
                    207:            '" ><b>'.&picklink($day,$day,$month,$year).'</b><br />'.$output.'</td>';
1.3       www       208: }
                    209: 
1.11      www       210: sub plaincell {
                    211:     my ($text)=@_;
1.51      albertel  212:     my $output;
1.40      albertel  213:     my @items=&order($text);
                    214:     foreach my $item (@items) {
                    215:         if ($item) {
1.41      albertel  216: 	    my ($courseid,$start,$end,$msg)=split(/\@/,$item,4);
1.34      albertel  217:             my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}.
1.32      www       218: 		'\n'.&Apache::lonlocal::locallocaltime($start);
1.26      www       219: 	    if ($start!=$end) {
                    220: 		$fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end);
                    221: 	    }
1.27      www       222: 	    $msg=~s/INTERNAL\://gs;
1.32      www       223: 	    $fullmsg.=':\n'.$msg;
                    224:  	    $fullmsg=~s/[\n\r]/\\n/gs;
1.15      www       225:             $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
                    226:             $fullmsg=~s/&/\\&/g;
1.51      albertel  227: 	    my $short_msg = substr($msg,0,80).((length($msg) > 80)?'...':'');
                    228: 	    if (defined($output)) { $output.='<br />'; }
1.11      www       229:             $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.51      albertel  230: 	       $short_msg.'</a>';
1.11      www       231:        }
                    232:     }
                    233:     return $output;
                    234: }
                    235: 
                    236: sub listcell {
                    237:     my ($text)=@_;
                    238:     my $output='';
1.40      albertel  239:     my @items=&order($text);
                    240:     foreach my $item (@items) {
                    241:         if ($item) {
1.41      albertel  242: 	    my ($courseid,$start,$end,$msg)=split(/\@/,$item,4);
1.27      www       243: 	    $msg=~s/INTERNAL\://gs;
1.26      www       244:             my $fullmsg=&Apache::lonlocal::locallocaltime($start);
                    245: 	    if ($start!=$end) {
                    246: 		$fullmsg.=&mt(' to ').
                    247: 		    &Apache::lonlocal::locallocaltime($end);
                    248: 	    }
                    249:             $fullmsg.=':<br /><b>'.
1.11      www       250:                $msg.'</b>';
                    251:             $output.='<li>'.$fullmsg.'</li>';
                    252:        }
                    253:     }
                    254:     return $output;
                    255: }
                    256: 
1.40      albertel  257: sub order {
                    258:     my ($text)=@_;
                    259:     my @items = split(/___&&&___/,$text);
                    260:     sort {
                    261: 	my (undef,$astart,$aend)=split(/\@/,$a);
                    262: 	my (undef,$bstart,$bend)=split(/\@/,$b);
                    263: 	if ($astart != $bstart) {
                    264: 	    return $astart <=> $bstart;
                    265: 	}
                    266: 	return $aend <=> $bend;
                    267:     } @items;
                    268: }
                    269: 
1.3       www       270: sub nextday {
                    271:     my %th=@_;
                    272:     $th{'day'}++;
                    273:     return (&Apache::loncommon::maketime(%th),$th{'month'});
                    274: }
                    275: 
                    276: sub showday {
1.11      www       277:     my ($tk,$mode,%allcal)=@_;
1.3       www       278:     my %th=&Apache::loncommon::timehash($tk);
                    279:     my ($nextday,$nextmonth)=&nextday(%th);
                    280:     my $outp='';
1.27      www       281:     if ($mode) {
                    282: 	my $oneday=24*3600;
                    283: 	$tk-=$oneday;
                    284: 	$nextday+=$oneday;
                    285:     }
1.40      albertel  286:     foreach my $item (keys(%allcal)) {
                    287: 	my ($course,$startdate,$enddate)=($item=~/^(\w+)\@(\d+)\_(\d+)$/);
1.39      albertel  288:         if (($startdate<$nextday) && ($enddate>=$tk))  {
1.5       www       289: 	    $outp.='___&&&___'.$course.'@'.$startdate.'@'.$enddate.'@'.
1.40      albertel  290:             $allcal{$item};
1.3       www       291:         }
                    292:     }
1.11      www       293:     unless ($mode) {
1.12      www       294:        return ($nextday,$nextmonth,&normalcell(
                    295:                $th{'day'},$th{'month'},$th{'year'},$outp));
1.11      www       296:    } elsif ($outp) {
                    297:        if ($mode==1) {
                    298:           return '<br />'.&plaincell($outp);
                    299:       } else {
                    300:           return '<ul>'.&listcell($outp).'</ul>';
                    301:       }
                    302:    } else {
                    303:        return '';
                    304:    }
1.3       www       305: }
1.1       www       306: 
1.19      www       307: sub picklink {
                    308:     my ($text,$day,$month,$year)=@_;
1.34      albertel  309:     if ($env{'form.pickdate'} eq 'yes') {
1.19      www       310: 	return '<a href="javascript:dialin('.$day.','.$month.','.$year.')">'.
                    311: 	    $text.'</a>';
                    312:     } else {
                    313: 	return $text;
                    314:     }
                    315: }
                    316: 
                    317: sub dialscript {
                    318:     return (<<ENDDIA);
                    319: <script language="Javascript">
                    320: function dialin(day,month,year) {
1.34      albertel  321: 	opener.document.$env{'form.formname'}.$env{'form.element'}\_year.value=year;
                    322:     var slct=opener.document.$env{'form.formname'}.$env{'form.element'}\_month;
1.19      www       323:     var i;
                    324:     for (i=0;i<slct.length;i++) {
                    325:         if (slct.options[i].value==month) { slct.selectedIndex=i; }
                    326:     }
1.34      albertel  327:     opener.document.$env{'form.formname'}.$env{'form.element'}\_day.value=day;
                    328:     opener.$env{'form.element'}\_checkday();
1.19      www       329:     self.close();
                    330: }
                    331: </script>
                    332: ENDDIA
                    333: }
1.52      www       334: # ----------------------------------------------------- Summarize all calendars
                    335: sub get_all_calendars {
                    336:     my %allcal=();
                    337:     foreach my $course (sort(&Apache::loncommon::findallcourses())) {
                    338: 	%allcal=(%allcal,&readcalendar($course));
                    339:     }
                    340:     return %allcal;
                    341: }
                    342: 
                    343: sub output_ics_file {
                    344:     my ($r)=@_;
                    345: # RFC 2445 wants CRLF
                    346:     my $crlf="\015\012";
                    347: # Header
                    348:     $r->print("BEGIN:VCALENDAR$crlf");
                    349:     $r->print("VERSION:2.0$crlf");
                    350:     $r->print("PRODID:-//LONCAPA//LONCAPA Calendar Output//EN$crlf");
                    351:     my %allcal=&get_all_calendars();
                    352:     foreach my $event (keys(%allcal)) {
1.53      www       353: 	my ($courseid,$startdate,$enddate)=($event=~/^(\w+)\@(\d+)\_(\d+)$/);
                    354: 	my $uid=$event;
                    355: 	$uid=~s/[\W\_]/-/gs;
                    356: 	$uid.='@loncapa';
                    357: 	my $summary=$allcal{$event};
                    358: 	$summary=~s/^INTERNAL\://;
                    359: 	$summary=~s/\s+/ /gs;
                    360:         $summary=$env{'course.'.$courseid.'.description'}.': '.$summary;
1.52      www       361: 	$r->print("BEGIN:VEVENT$crlf");
                    362: 	$r->print("DTSTART:".&Apache::loncommon::utc_string($startdate).$crlf);
                    363: 	$r->print("DTEND:".&Apache::loncommon::utc_string($enddate).$crlf);
1.53      www       364: 	$r->print("SUMMARY:$summary$crlf");
                    365: 	$r->print("UID:$uid$crlf");
1.52      www       366: 	$r->print("END:VEVENT$crlf");
                    367:     }
                    368: # Footer
                    369:     $r->print("END:VCALENDAR$crlf");
                    370: }
1.19      www       371: 
1.1       www       372: sub handler {
                    373:     my $r = shift;
1.52      www       374:     if ($r->uri=~/\.(ics|ical)$/) {
                    375:         &Apache::loncommon::content_type($r,'text/calendar');
                    376: 	&output_ics_file($r);
                    377: 	return OK;
                    378:     }
1.21      www       379:     &Apache::loncommon::content_type($r,'text/html');
1.1       www       380:     $r->send_http_header;
                    381:     return OK if $r->header_only;
                    382: 
1.3       www       383: # ---------------------------------------------------------- Get time right now
                    384:     my $today=time;
1.12      www       385:     %todayhash=&Apache::loncommon::timehash($today);
1.16      www       386: # ----------------------------------------------------------------- Check marks
1.49      albertel  387:     undef(%showedcheck);
1.3       www       388: # ---------------------------------------------------------- Get month and year
                    389:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.19      www       390:                              ['month','year','pickdate','formname','element']);
1.3       www       391: # --------------------------------------------------- Decide what month to show
                    392:     my $year=$todayhash{'year'};
1.34      albertel  393:     if ($env{'form.year'}) { $year=$env{'form.year'}; }
1.3       www       394:     my $month=$todayhash{'month'};
1.34      albertel  395:     if ($env{'form.month'}) { $month=$env{'form.month'}; }
1.18      www       396: 
                    397: # ---------------------------------------------- See if we are in pickdate mode
1.34      albertel  398:     my $pickdatemode=($env{'form.pickdate'} eq 'yes');
                    399:     my $pickinfo='&pickdate=yes&formname='.$env{'form.formname'}.
                    400: 	'&element='.$env{'form.element'};
1.3       www       401: # --------------------------------------------- Find out first day of the month
                    402: 
                    403:     my %firstday=&Apache::loncommon::timehash(
                    404:        &Apache::loncommon::maketime( 'day' => 1, 'month'=> $month,
                    405:                                      'year' => $year, 'hours' => 0,
                    406: 				     'minutes' => 0, 'seconds' => 0,
1.30      www       407:                                      'dlsav' => -1 ));
1.3       www       408:     my $weekday=$firstday{'weekday'};
                    409: # ------------------------------------------------------------ Print the screen
1.47      albertel  410:     my $js = <<ENDDOCUMENT;
                    411: <script type="text/javascript">
1.3       www       412: 
                    413:     function trysubmit() {
                    414:         document.anno.action.value="new";
                    415: 	document.anno.submit();
                    416:     }
                    417: 
                    418:     function removesub() {
                    419:         document.anno.action.value="del";
                    420: 	document.anno.submit();
                    421:     }
                    422: </script>
1.1       www       423: ENDDOCUMENT
1.47      albertel  424: 
1.18      www       425:     if ($pickdatemode) {
                    426: # no big header in pickdate mode
1.47      albertel  427: 	$r->print(&Apache::loncommon::start_page("Pick a Date",$js,
                    428: 						 {'only_body' => 1,}).
1.19      www       429: 		  &dialscript().
1.18      www       430: 		  '<font size="1">');
                    431:     } else {
1.47      albertel  432:        $r->print(&Apache::loncommon::start_page("Announcements and Calendar",
                    433: 						$js));
1.18      www       434:     }
1.3       www       435: # does this user have privileges to post, etc?
                    436:     my $allowed=0;
1.34      albertel  437:     if ($env{'request.course.id'}) {
                    438:        $allowed=&Apache::lonnet::allowed('srm',$env{'request.course.id'});
1.3       www       439:     }
1.17      www       440: # does this user have privileges to post to servers?
                    441:     my $serverpost=0;
1.34      albertel  442:     if ($env{'request.role.domain'}) {
1.17      www       443: 	$serverpost=&Apache::lonnet::allowed('psa',
1.34      albertel  444: 					     $env{'request.role.domain'});
1.17      www       445:     } else {
                    446: 	$serverpost=&Apache::lonnet::allowed('psa','/');
                    447:     }
1.18      www       448: # -------------------------------- BUT: do no fancy stuff when in pickdate mode
                    449:     if ($pickdatemode) { 
                    450: 	$serverpost=0; 
                    451: 	$allowed=0;
                    452:     }
1.17      www       453: # ------------------------------------------------------------ Process commands
                    454:     if ($serverpost) {
1.34      albertel  455: 	if ($env{'form.serveraction'}) {
1.42      albertel  456: 	    foreach my $key (keys(%env)) {
                    457: 		if ($key=~/^form\.postto\_(\w+)/) {
1.17      www       458: 		    $r->print( 
                    459: 			'<br />Posting '.$1.': '.&Apache::lonnet::postannounce
1.34      albertel  460: 			($1,$env{'form.serverannnounce'}));
1.17      www       461: 		}
                    462: 	    }
                    463: 	}
                    464: 	$r->print(<<SERVERANNOUNCE);
                    465: <form name="serveranno" method="post">
                    466: <h3>Post Server Announcements</h3>
                    467: Post announcements to the system login and roles screen<br />
                    468: <i>(leave blank to delete announcement)</i><br />
                    469: <textarea name="serverannnounce" cols="60" rows="5"></textarea><br />
                    470: Check machines:<br />
                    471: SERVERANNOUNCE
                    472: # list servers
1.42      albertel  473:     foreach my $host (sort(keys(%Apache::lonnet::hostname))) {
                    474: 	if (&Apache::lonnet::allowed('psa',$Apache::lonnet::hostdom{$host})) {
                    475: 	    $r->print ('<br /><input type="checkbox" name="postto_'.$host.'" /> '.
                    476: 		       $host.' <tt>'.$Apache::lonnet::hostname{$host}.'</tt> '.
                    477: 		       '<a href="http://'.$Apache::lonnet::hostname{$host}.
1.17      www       478: 		       '/announcement.txt" target="annowin">current</a>');
                    479: 	}
                    480:     }
                    481:     $r->print(
                    482:   '<br /><input type="submit" name="serveraction" value="Post"></form><hr />');
                    483:     }
1.3       www       484:     if ($allowed) {
1.34      albertel  485:         my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
                    486:         my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.3       www       487: # ----------------------------------------------------- Store new submitted one
1.34      albertel  488:         if ($env{'form.action'} eq 'new') {
1.9       www       489: 	    my $startdate = 
                    490: 		&Apache::lonhtmlcommon::get_date_from_form('startdate');
                    491: 	    my $enddate   = 
                    492: 		&Apache::lonhtmlcommon::get_date_from_form('enddate');
                    493: 	    unless ($startdate=~/^\d+$/) { $startdate=time; }
                    494:             unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; }
                    495:             if ($startdate>$enddate) {
                    496: 		my $buffer=$startdate;
                    497: 		$startdate=$enddate;
                    498: 		$enddate=$buffer;
                    499:             }
1.3       www       500: 	    &Apache::lonnet::put('calendar',{ 
1.9       www       501: 		$startdate.'_'.$enddate => 
1.34      albertel  502: 		    $env{'form.msg'} },$coursedom,$coursenum);
1.36      www       503: 	    if ($env{'form.rsspost'}) {
                    504:                &Apache::lonrss::addentry($coursenum,$coursedom,'Course_Announcements',
                    505: 					 &mt('Event from [_1] to [_2]',
                    506: 					     &Apache::lonlocal::locallocaltime($startdate),
                    507: 					     &Apache::lonlocal::locallocaltime($enddate)),
                    508: 					 $env{'form.msg'},'/adm/announcements','public');
                    509: 	   }
1.3       www       510:         }
                    511: # ---------------------------------------------------------------- Remove items
1.34      albertel  512:         if ($env{'form.action'} eq 'del') {
1.3       www       513: 	    my @delwhich=();
1.42      albertel  514:             foreach my $key (keys(%env)) {
                    515: 		if ($key=~/^form\.remove\_(.+)$/) {
1.3       www       516: 		    push(@delwhich,$1);
                    517:                 }
                    518:             }
                    519:             &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum);
                    520:         }
                    521: # -------------------------------------------------------- Form to post new one
                    522:         my %tomorrowhash=%todayhash;
                    523:         $tomorrowhash{'day'}++;
                    524:         my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash);
                    525:         
1.10      www       526:         &editfield($r,$today,$tomorrow,'');
1.3       www       527:     }
1.5       www       528: # ----------------------------------------------------- Summarize all calendars
1.52      www       529:     my %allcal=&get_all_calendars();
1.5       www       530: # ------------------------------- Initialize table and forward backward buttons
1.3       www       531:     my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
                    532:     if ($pm<1) { ($pm,$py)=(12,$year-1); }
                    533:     if ($fm>12){ ($fm,$fy)=(1,$year+1); }
1.14      www       534: 
1.20      www       535:     $r->print('<h1>'.('',&mt('January'),&mt('February'),&mt('March'),
                    536: 		      &mt('April'),&mt('May'),
                    537: 		      &mt('June'),&mt('July'),&mt('August'),
                    538:                       &mt('September'),&mt('October'),
                    539:                       &mt('November'),&mt('December'))[$month].' '.
                    540: 	              $year.'</h1>');
1.13      www       541: # Reached the end of times, give up
                    542:     if (($year<1970) || ($year>2037)) {
                    543: 	$r->print('<h3>No calendar available for this date.</h3>'.
                    544:  '<a href="/adm/announcements?month='.$todayhash{'month'}.
1.47      albertel  545:  '&year='.$todayhash{'year'}.'">Current Month</a>'.
                    546: 		  &Apache::loncommon::end_page());
1.13      www       547: 	return OK;
                    548:     }
1.49      albertel  549: 
                    550:     my $class = "LC_calendar";
                    551:     if ($env{'form.pickdate'} eq 'yes') {
                    552: 	$class .= " LC_calendar_pickdate";
                    553:     }
1.13      www       554:     $r->print(
1.18      www       555:  '<a href="/adm/announcements?month='.$pm.'&year='.$py.
1.20      www       556:  ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
1.18      www       557:  '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
1.20      www       558:  ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
1.12      www       559:  '&nbsp;&nbsp;&nbsp;<a href="/adm/announcements?month='.$todayhash{'month'}.
1.18      www       560:  '&year='.$todayhash{'year'}.
1.20      www       561:  ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a><p>'.
1.49      albertel  562:         '<table class="'.$class.'" cols="7" rows="5"><tr>
                    563: <th>'.&mt('Sun').'</th>
                    564: <th>'.&mt('Mon').'</th>
                    565: <th>'.&mt('Tue').'</th>
                    566: <th>'.&mt('Wed').'</th>
                    567: <th>'.&mt('Thu').'</th>
                    568: <th>'.&mt('Fri').'</th>
                    569: <th>'.&mt('Sat').'</th></tr>');
1.3       www       570: 
                    571:     my $tk=&Apache::loncommon::maketime(%firstday);
                    572:     my $outp;
                    573:     my $nm;
                    574: 
                    575: # ---------------------------------------------------------------- Actual table
                    576:     $r->print('<tr>');
                    577:     for (my $i=0;$i<$weekday;$i++) { $r->print(&emptycell); }
                    578:     for (my $i=$weekday;$i<=6;$i++) { 
1.11      www       579:         ($tk,$nm,$outp)=&showday($tk,0,%allcal);
1.3       www       580:         $r->print($outp);
                    581:     }
                    582:     $r->print('</tr>');
                    583: 
1.23      www       584:     for (my $k=0;$k<=4;$k++) {
1.3       www       585:         $r->print('<tr>');
                    586:         for (my $i=0;$i<=6;$i++) {
1.11      www       587:             ($tk,$nm,$outp)=&showday($tk,0,%allcal);
1.3       www       588:             if ($month!=$nm) { $outp=&emptycell; }
                    589:             $r->print($outp);
                    590:         }
                    591:         $r->print('</tr>');
                    592:     }
                    593: # ------------------------------------------------------------------- End table
1.7       matthew   594:     $r->print('</table>');
1.16      www       595: # ----------------------------------------------------------------- Check marks
1.49      albertel  596:     undef(%showedcheck);
1.16      www       597: # --------------------------------------------------------------- Remove button
1.24      www       598:     if ($allowed) { $r->print('<input type="button" onClick="removesub()" value="Remove Checked Entries">'.
                    599: 			      &Apache::loncommon::help_open_topic('Calendar_Remove_Announcement').'</form>'); }
1.7       matthew   600:     $r->print('<p>'.
1.18      www       601:  '<a href="/adm/announcements?month='.$pm.'&year='.$py.
1.20      www       602:  ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '.
1.18      www       603:  '<a href="/adm/announcements?month='.$fm.'&year='.$fy.
1.20      www       604:  ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'.
1.12      www       605:  '&nbsp;&nbsp;&nbsp;<a href="/adm/announcements?month='.$todayhash{'month'}.
1.18      www       606:  '&year='.$todayhash{'year'}.
1.20      www       607:  ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a></p>'.
1.47      albertel  608:  ($pickdatemode?'</font>':'').&Apache::loncommon::end_page());
1.53      www       609:     $r->print('<a href="/adm/announcements.ics">'.&mt('Download your Calendar as iCalendar File').'</a>');
1.1       www       610:     return OK;
                    611: } 
                    612: 
                    613: 1;
                    614: __END__

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