--- loncom/interface/lonmeta.pm	2000/11/28 02:49:10	1.5
+++ loncom/interface/lonmeta.pm	2001/12/19 17:17:46	1.8
@@ -1,12 +1,35 @@
 # The LearningOnline Network with CAPA
-#
 # Metadata display handler
 #
+# $Id: lonmeta.pm,v 1.8 2001/12/19 17:17:46 albertel Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
 # (TeX Content Handler
 #
 # 05/29/00,05/30,10/11 Gerd Kortemeyer)
 #
-# 10/19,10/21,10/23,11/27 Gerd Kortemeyer
+# 10/19,10/21,10/23,11/27,08/09/01 Gerd Kortemeyer
 
 package Apache::lonmeta;
 
@@ -35,6 +58,14 @@ sub handler {
       $content{$_}=&Apache::lonnet::metadata($uri,$_);
   } split(/\,/,&Apache::lonnet::metadata($uri,'keys'));
 
+# ------------------------------------------------------------------ Hide stuff
+
+  unless ($ENV{'user.adv'}) {
+      map {
+          $content{$_}='<i>- not displayed -</i>';
+      } ('keywords','notes','abstract','subject');
+  }
+
 # --------------------------------------------------------------- Render Output
 
 my $creationdate=localtime($content{'creationdate'});
@@ -72,7 +103,8 @@ ENDHEAD
   delete($content{'lastrevisiondate'});
   delete($content{'owner'});
   delete($content{'copyright'});
-  map {
+  if ($ENV{'user.adv'}) {
+   map {
       my $name=$_;
       my $display=&Apache::lonnet::metadata($uri,$name.'.display');
       unless ($display) { $display=$name; };
@@ -88,7 +120,8 @@ ENDHEAD
          $r->print(' ('.$otherinfo.')');
       }
       $r->print("<br>\n");
-  } sort keys %content;
+   } sort keys %content;
+  }
   $r->print('</body></html>');
   return OK;
 }