--- loncom/interface/lonmenu.pm	2001/05/30 20:08:11	1.2
+++ loncom/interface/lonmenu.pm	2002/01/06 01:29:53	1.12
@@ -1,11 +1,35 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
+# $Id: lonmenu.pm,v 1.12 2002/01/06 01:29:53 harris41 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 Conversion Module
 #
 # 05/29/00,05/30 Gerd Kortemeyer)
 #
-# 10/05,05/28,05/30 Gerd Kortemeyer
+# 10/05,05/28,05/30,06/01,06/08,06/09,07/04,08/07 Gerd Kortemeyer
 
 package Apache::lonmenu;
 
@@ -40,12 +64,17 @@ ENDSMENU
 
 # ================================================================== Raw Config
 
+sub clear {
+    my ($row,$col)=@_;
+    return qq(swmenu.clearbut($row,$col););
+}
+
 sub switch {
     my ($uname,$udom,$row,$col,$img,$top,$bot,$act)=@_;
     $act=~s/\$uname/$uname/g;
     $act=~s/\$udom/$udom/g;
     return "\n".
- qq(swmenu.switchbutton($row,$col,"$img","$top","$bot","$act"));
+ qq(swmenu.switchbutton($row,$col,"$img","$top","$bot","$act"););
 }
 
 sub secondlevel {
@@ -67,16 +96,26 @@ sub rawconfig {
     my $uname=$ENV{'user.name'};
     my $udom=$ENV{'user.domain'};
     my $adv=$ENV{'user.adv'};
-    my $crs=$ENV{'request.course.id'};
+    my $author=$ENV{'user.author'};
+    my $crs='';
+    if ($ENV{'request.course.id'}) {
+       $crs='/'.$ENV{'request.course.id'};
+       if ($ENV{'request.course.sec'}) {
+	   $crs.='_'.$ENV{'request.course.sec'};
+       }
+       $crs=~s/\_/\//g;
+    }
     my $pub=($ENV{'request.state'} eq 'published');
     my $con=($ENV{'request.state'} eq 'construct');
     my $rol=$ENV{'request.role'};
     map {
         my ($row,$col,$pro,$prt,$img,$top,$bot,$act)=split(/\:/,$_);
-        if ($pro eq 'any') {
-           $prt=~s/\$uname/$uname/g;
-           $prt=~s/\$udom/$udom/g;
-           $prt=~s/\$crs/$crs/g;
+        $prt=~s/\$uname/$uname/g;
+        $prt=~s/\$udom/$udom/g;
+        $prt=~s/\$crs/$crs/g; 
+        if ($pro eq 'clear') {
+	    $output.=&clear($row,$col);
+        } elsif ($pro eq 'any') {
                $output.=&secondlevel(
 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act);
 	} elsif ($pro eq 'smp') {
@@ -93,6 +132,18 @@ sub rawconfig {
 	    if (&Apache::lonnet::allowed($1,$prt)) {
                $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act);
             }
+        } elsif ($pro eq 'author') {
+            if ($author) {
+                if (($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) {
+		    my ($cadom,$caname)=
+                               ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
+                    $output.=switch($caname,$cadom,
+                                    $row,$col,$img,$top,$bot,$act);
+                } elsif ($prt eq 'any') {
+                    $output.=switch($ENV{'user.name'},$ENV{'user.domain'},
+				    $row,$col,$img,$top,$bot,$act);
+                }
+            }
         }
     } @desklines;
     return $output;
@@ -119,11 +170,11 @@ sub footer {
 
 # ================================================================ Main Program
 
-sub BEGIN {
-if ($readdesk ne 'done') {
+BEGIN {
+  unless ($readdesk) {
   {
     my $config=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
-                                 '/mydesk.tab');
+				  '/mydesk.tab');
     while (my $configline=<$config>) {
        chomp($configline);
        $desklines[$#desklines+1]=$configline;