--- loncom/interface/lonannounce.pm	2003/05/23 16:14:33	1.12
+++ loncom/interface/lonannounce.pm	2003/08/12 19:46:04	1.17
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Announce
 #
-# $Id: lonannounce.pm,v 1.12 2003/05/23 16:14:33 www Exp $
+# $Id: lonannounce.pm,v 1.17 2003/08/12 19:46:04 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -32,8 +32,10 @@ use strict;
 use Apache::Constants qw(:common);
 use Apache::loncommon;
 use Apache::lonhtmlcommon();
+use HTML::Entities();
 
 my %todayhash;
+my %showedcheck;
 
 sub editfield {
     my ($r,$start,$end,$text)=@_;
@@ -83,11 +85,15 @@ sub normalcell {
             my $fullmsg=$ENV{'course.'.$courseid.'.description'}.
 		', '.localtime($start).' - '.localtime($end).': '.$msg;
             if ($courseid eq $ENV{'request.course.id'}) {
-              if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
+              if ((&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))
+               && (!$showedcheck{$start.'_'.$end})) {
                $output.='<input type="checkbox" name="remove_'.$start.'_'.
 		   $end.'">';
+               $showedcheck{$start.'_'.$end}=1;
 	      }
 	    }
+            $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
+            $fullmsg=~s/&/\\&/g;
             $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
 	       substr($msg,0,20).'...</a><br />';
        }
@@ -108,6 +114,8 @@ sub plaincell {
             my $msg=join('@',@msg);
             my $fullmsg=$ENV{'course.'.$courseid.'.description'}.
 		', '.localtime($start).' - '.localtime($end).': '.$msg;
+            $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
+            $fullmsg=~s/&/\\&/g;
             $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
 	       substr($msg,0,40).'...</a><br />';
        }
@@ -172,7 +180,9 @@ sub handler {
 # ---------------------------------------------------------- Get time right now
     my $today=time;
     %todayhash=&Apache::loncommon::timehash($today);
-
+# ----------------------------------------------------------------- Check marks
+    %showedcheck=();
+    undef %showedcheck;
 # ---------------------------------------------------------- Get month and year
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['month','year']);
@@ -215,7 +225,45 @@ ENDDOCUMENT
     if ($ENV{'request.course.id'}) {
        $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
     }
-
+# does this user have privileges to post to servers?
+    my $serverpost=0;
+    if ($ENV{'request.role.domain'}) {
+	$serverpost=&Apache::lonnet::allowed('psa',
+					     $ENV{'request.role.domain'});
+    } else {
+	$serverpost=&Apache::lonnet::allowed('psa','/');
+    }
+# ------------------------------------------------------------ Process commands
+    if ($serverpost) {
+	if ($ENV{'form.serveraction'}) {
+	    foreach (keys %ENV) {
+		if ($_=~/^form\.postto\_(\w+)/) {
+		    $r->print( 
+			'<br />Posting '.$1.': '.&Apache::lonnet::postannounce
+			($1,$ENV{'form.serverannnounce'}));
+		}
+	    }
+	}
+	$r->print(<<SERVERANNOUNCE);
+<form name="serveranno" method="post">
+<h3>Post Server Announcements</h3>
+Post announcements to the system login and roles screen<br />
+<i>(leave blank to delete announcement)</i><br />
+<textarea name="serverannnounce" cols="60" rows="5"></textarea><br />
+Check machines:<br />
+SERVERANNOUNCE
+# list servers
+    foreach (sort keys %Apache::lonnet::hostname) {
+	if (&Apache::lonnet::allowed('psa',$Apache::lonnet::hostdom{$_})) {
+	    $r->print ('<br /><input type="checkbox" name="postto_'.$_.'" /> '.
+		       $_.' <tt>'.$Apache::lonnet::hostname{$_}.'</tt> '.
+		       '<a href="http://'.$Apache::lonnet::hostname{$_}.
+		       '/announcement.txt" target="annowin">current</a>');
+	}
+    }
+    $r->print(
+  '<br /><input type="submit" name="serveraction" value="Post"></form><hr />');
+    }
     if ($allowed) {
         my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
         my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
@@ -263,9 +311,18 @@ ENDDOCUMENT
     my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
     if ($pm<1) { ($pm,$py)=(12,$year-1); }
     if ($fm>12){ ($fm,$fy)=(1,$year+1); }
+
     $r->print('<h1>'.('','January','February','March','April','May',
 		      'June','July','August','September','October',
-                      'November','December')[$month].' '.$year.'</h1>'.
+                      'November','December')[$month].' '.$year.'</h1>');
+# Reached the end of times, give up
+    if (($year<1970) || ($year>2037)) {
+	$r->print('<h3>No calendar available for this date.</h3>'.
+ '<a href="/adm/announcements?month='.$todayhash{'month'}.
+ '&year='.$todayhash{'year'}.'">Current Month</a></body></html>');
+	return OK;
+    }
+    $r->print(
  '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.
  '<a href="/adm/announcements?month='.$fm.'&year='.$fy.'">Next Month</a>'.
  '&nbsp;&nbsp;&nbsp;<a href="/adm/announcements?month='.$todayhash{'month'}.
@@ -297,6 +354,10 @@ ENDDOCUMENT
     }
 # ------------------------------------------------------------------- End table
     $r->print('</table>');
+# ----------------------------------------------------------------- Check marks
+    %showedcheck=();
+    undef %showedcheck;
+# --------------------------------------------------------------- Remove button
     if ($allowed) { $r->print('<input type="button" onClick="removesub()" value="Remove Checked Entries"></form>'); }
     $r->print('<p>'.
  '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.