--- loncom/interface/lonannounce.pm	2006/06/29 16:44:49	1.57
+++ loncom/interface/lonannounce.pm	2007/03/02 23:17:58	1.66
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Announce
 #
-# $Id: lonannounce.pm,v 1.57 2006/06/29 16:44:49 albertel Exp $
+# $Id: lonannounce.pm,v 1.66 2007/03/02 23:17:58 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -37,6 +37,7 @@ use Apache::lonnavmaps();
 use Apache::lonrss();
 use Apache::lonnet;
 use HTML::Entities();
+use LONCAPA qw(:match);
 
 my %todayhash;
 my %showedcheck;
@@ -77,18 +78,23 @@ sub readcalendar {
     my %returnhash=();
     foreach my $item (keys(%thiscal)) {
         unless (($item=~/^error\:/) || ($thiscal{$item}=~/^error\:/)) {
-	   $returnhash{$courseid.'@'.$item}=$thiscal{$item};
+	    my ($start,$end)=split('_',$item);
+	    $returnhash{join("\0",$courseid,$start,$end)}=$thiscal{$item};
         }
     }
-
-    my $can_see_hidden = $env{'request.role.adv'};
-    my $navmap;# = Apache::lonnavmaps::navmap->new();
+    my $can_see_hidden = ($env{'request.role.adv'} &&
+			  ($courseid eq $env{'request.course.id'}));
+    
+    my $navmap;
+    if ($courseid eq $env{'request.course.id'}) {
+	$navmap = Apache::lonnavmaps::navmap->new();
+    }
     my %resourcedata=
-	&Apache::lonnet::dump('resourcedata',$coursedom,$coursenum);
+	&Apache::lonnet::get_courseresdata($coursenum,$coursedom);
     foreach my $thiskey (sort keys %resourcedata) {
 	if ($resourcedata{$thiskey.'.type'}=~/^date/) {
 	    my ($course,$middle,$part,$name)=
-		($thiskey=~/^(\w+)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
+		($thiskey=~/^($match_courseid)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
 	    my %data = ( 'section' => &mt('All Students'));
 	    if ($middle=~/^\[(.*)\]\./) {
 		my $sec=$1;
@@ -156,8 +162,9 @@ sub readcalendar {
 		} 
 		$data{'datetype'}=&mt('Answer Available'); 
 	    }
-	    $returnhash{$courseid.'@'.$resourcedata{$thiskey}.'_'.
-			    $resourcedata{$thiskey}}=\%data;
+	    $returnhash{join("\0",$courseid,
+			     $resourcedata{$thiskey},
+			     $resourcedata{$thiskey})}=\%data;
 	}
     }
     return %returnhash;
@@ -279,10 +286,16 @@ sub display_msg {
 
     my $output = $msg->{'datetype'}. ': '.$msg->{'realm'};
     if (exists($msg->{'url'})) {
-	$output .= ': '.&Apache::lonnet::gettitle($msg->{'url'});
+	my $displayurl=&Apache::lonnet::gettitle($msg->{'url'});
+	if ($msg->{'url'}!~/\Q$displayurl\E$/) {
+	    $output .= ' - '.$displayurl;
+	}
     }
     if (exists($msg->{'symb'})) {
-	$output .= ': '.&Apache::lonnet::gettitle($msg->{'symb'});
+	my $displaysymb=&Apache::lonnet::gettitle($msg->{'symb'});
+	if ($msg->{'symb'}!~/\Q$displaysymb\E$/) {
+	    $output .= ' - '.$displaysymb;
+	}
     }
     $output .= ' ('.$msg->{'section'}.') ';
     return $output;
@@ -299,9 +312,9 @@ sub showday {
 	$nextday+=$oneday;
     }
     foreach my $item (keys(%allcal)) {
-	my ($course,$startdate,$enddate)=($item=~/^(\w+)\@(\d+)\_(\d+)$/);
-        if (($startdate<$nextday) && ($enddate>=$tk))  {
-	    push(@outp,[$course,$startdate,$enddate,$allcal{$item}]);
+	my ($courseid,$startdate,$enddate)= split("\0",$item);
+	if (($startdate<$nextday) && ($enddate>=$tk))  {
+	    push(@outp,[$courseid,$startdate,$enddate,$allcal{$item}]);
         }
     }
     unless ($mode) {
@@ -348,7 +361,8 @@ ENDDIA
 # ----------------------------------------------------- Summarize all calendars
 sub get_all_calendars {
     my %allcal=();
-    foreach my $course (sort(&Apache::loncommon::findallcourses())) {
+    my %courses = &Apache::loncommon::findallcourses();
+    foreach my $course (sort(keys(%courses))) {
 	%allcal=(%allcal,&readcalendar($course));
     }
     return %allcal;
@@ -364,7 +378,7 @@ sub output_ics_file {
     $r->print("PRODID:-//LONCAPA//LONCAPA Calendar Output//EN$crlf");
     my %allcal=&get_all_calendars();
     foreach my $event (keys(%allcal)) {
-	my ($courseid,$startdate,$enddate)=($event=~/^(\w+)\@(\d+)\_(\d+)$/);
+	my ($courseid,$startdate,$enddate)= split('\0',$event);
 	my $uid=$event;
 	$uid=~s/[\W\_]/-/gs;
 	$uid.='@loncapa';
@@ -483,11 +497,12 @@ Post announcements to the system login a
 Check machines:<br />
 SERVERANNOUNCE
 # list servers
-    foreach my $host (sort(keys(%Apache::lonnet::hostname))) {
+    my %hostname = &Apache::lonnet::all_hostnames();
+    foreach my $host (sort(keys(%hostname))) {
 	if (&Apache::lonnet::allowed('psa',$Apache::lonnet::hostdom{$host})) {
-	    $r->print ('<br /><input type="checkbox" name="postto_'.$host.'" /> '.
-		       $host.' <tt>'.$Apache::lonnet::hostname{$host}.'</tt> '.
-		       '<a href="http://'.$Apache::lonnet::hostname{$host}.
+	    $r->print ('<br /><label><input type="checkbox" name="postto_'.$host.'" /> '.
+		       $host.' <tt>'.$hostname{$host}.'</tt> '.
+		       '</label><a href="http://'.$hostname{$host}.
 		       '/announcement.txt" target="annowin">current</a>');
 	}
     }