--- loncom/interface/lonmenu.pm	2002/01/06 01:29:53	1.12
+++ loncom/interface/lonmenu.pm	2003/02/13 18:11:26	1.34
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.12 2002/01/06 01:29:53 harris41 Exp $
+# $Id: lonmenu.pm,v 1.34 2003/02/13 18:11:26 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -30,34 +30,112 @@
 # 05/29/00,05/30 Gerd Kortemeyer)
 #
 # 10/05,05/28,05/30,06/01,06/08,06/09,07/04,08/07 Gerd Kortemeyer
+# 02/15/02 Matthew Hall
 
 package Apache::lonmenu;
 
 use strict;
 use Apache::lonnet;
+use Apache::Constants qw(:common);
+use Apache::loncommon;
 use Apache::File;
 use vars qw(@desklines $readdesk);
- 
-# =============================================================== Open the menu
 
-sub open {
-    return(<<ENDOPEN);
+# ============================================================= Start up remote
+
+sub startupremote {
+    my ($lowerurl)=@_;
+    if ($ENV{'browser.interface'} eq 'textual') {
+     return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
+    }
+    my $configmenu=&rawconfig();
+    return(<<ENDREMOTESTARTUP);
 <script>
-window.status='MenuControl:nologout';
-menu=window.open("/res/adm/pages/menu.html","LONCAPAmenu",
-                 "height=350,width=150,scrollbars=no,menubar=no");
+
+// ---------------------------------------------------------- The wait function
+var canceltim;
+function wait() {
+   if ((menuloaded==1) || (tim==1)) {
+      if (tim==0) {
+         clearTimeout(canceltim);
+         $configmenu
+         window.location='$lowerurl';  
+      } else {
+         alert("Remote Control Timed Out.");
+      }
+   } else {
+      setTimeout('wait();',100);
+   }
+}
+
+function main() {
+   canceltim=setTimeout('tim=1;',80000);
+   wait();
+}
+
 </script>
+ENDREMOTESTARTUP
+}
+
+sub setflags() {
+    return(<<ENDSETFLAGS);
+<script>
+    menuloaded=0;
+    tim=0;
+</script>
+ENDSETFLAGS
+}
+
+sub maincall() {
+    if ($ENV{'browser.interface'} eq 'textual') { return ''; }
+    return(<<ENDMAINCALL);
+<script>
+    main();
+</script>
+ENDMAINCALL
+}
+# ================================================================= Reopen menu
+
+sub reopenmenu {
+   my $nothing='';
+   if ($ENV{'browser.interface'} eq 'textual') { return ''; }
+   my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
+   if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; }
+   return('window.open("'.$nothing.'","'.$menuname.'","",false);');
+} 
+
+# =============================================================== Open the menu
+
+sub open {
+    my $returnval='';
+    if ($ENV{'browser.interface'} eq 'textual') { return ''; }
+    my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
+    unless (shift eq 'unix') {
+# resizing does not work on linux because of virtual desktop sizes
+       $returnval.=(<<ENDRESIZE);
+if (window.screen) {
+    self.resizeTo(screen.availWidth-215,screen.availHeight-55);
+    self.moveTo(190,15);
+}
+ENDRESIZE
+    }
+    $returnval.=(<<ENDOPEN);
+var menu=window.open("/res/adm/pages/menu.html","$menuname",
+"height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
 ENDOPEN
+    return '<script>'.$returnval.'</script>';
 }
 
 # ============================================================ Switch Menu Item
 
 sub switchmenu {
-    my ($row,$col,$imgsrc,$texttop,$textbot,$action)=@_;
+    my ($row,$col,$imgsrc,$texttop,$textbot,$action,$description)=@_;
+    if ($ENV{'browser.interface'} eq 'textual') { return ''; }
+    my $openwin=&openmenu();
     return(<<ENDSMENU);
 <script>
-   swmenu=window.open('','LONCAPAmenu');
-   swmenu.switchbutton($row,$col,"$imgsrc","$texttop","$textbot","$action");
+   var swmenu=$openwin
+   swmenu.switchbutton($row,$col,"$imgsrc","$texttop","$textbot","$action","$description");
 </script>
 ENDSMENU
 }
@@ -66,33 +144,59 @@ ENDSMENU
 
 sub clear {
     my ($row,$col)=@_;
-    return qq(swmenu.clearbut($row,$col););
+    unless ($ENV{'browser.interface'} eq 'textual') {
+       return qq(swmenu.clearbut($row,$col););
+   } else { return ''; }
 }
 
+# Switch acts on the javascript that is executed when a button is clicked.  
+# The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
 sub switch {
-    my ($uname,$udom,$row,$col,$img,$top,$bot,$act)=@_;
+    my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc)=@_;
     $act=~s/\$uname/$uname/g;
     $act=~s/\$udom/$udom/g;
-    return "\n".
- qq(swmenu.switchbutton($row,$col,"$img","$top","$bot","$act"););
+    unless ($ENV{'browser.interface'} eq 'textual') {
+       return "\n".
+ qq(swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
+   } else {
+       my $text=$top.' '.$bot;
+       $text=~s/\- //;
+       return '<br /><a href="'.$act.'">'.$text.'</a> '.$desc;
+   }
 }
 
 sub secondlevel {
     my $output='';
     my 
-    ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act)=@_;
+    ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
     if ($prt eq 'any') {
-	   $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act);
+	   $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
     } elsif ($prt=~/^r(\w+)/) {
         if ($rol eq $1) {
-           $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act);
+           $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
         }
     }
     return $output;
 }
 
+sub openmenu {
+    my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
+    if ($ENV{'browser.interface'} eq 'textual') { return ''; }
+    if ($ENV{'browser.type'} eq 'explorer') {
+       return "window.open('javascript:void(0);','".$menuname."');";
+   } else {
+       return "window.open('','".$menuname."');";
+   }
+}
+
 sub rawconfig {
-    my $output="swmenu=window.open('','LONCAPAmenu');";
+    my $textualoverride=shift;
+    my $output='';
+    unless ($ENV{'browser.interface'} eq 'textual') {
+       $output.="var swmenu=".&openmenu();
+    } else {
+       unless ($textualoverride) { return ''; }
+    }
     my $uname=$ENV{'user.name'};
     my $udom=$ENV{'user.domain'};
     my $adv=$ENV{'user.adv'};
@@ -108,55 +212,72 @@ sub rawconfig {
     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(/\:/,$_);
+    my $requested_domain = $ENV{'request.role.domain'};
+    foreach (@desklines) {
+        my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
         $prt=~s/\$uname/$uname/g;
         $prt=~s/\$udom/$udom/g;
         $prt=~s/\$crs/$crs/g; 
+        $prt=~s/\$requested_domain/$requested_domain/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);
+	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
 	} elsif ($pro eq 'smp') {
             unless ($adv) {
                $output.=&secondlevel(
-          $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act);
+          $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
             }
         } elsif ($pro eq 'adv') {
             if ($adv) {
                $output.=&secondlevel(
-	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act);
+	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
             }
         } elsif (($pro=~/p(\w+)/) && ($prt)) {
 	    if (&Apache::lonnet::allowed($1,$prt)) {
-               $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act);
+               $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
             }
+        } elsif ($pro eq 'course') {
+            if ($ENV{'request.course.fn'}) {
+               $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
+	    }
         } elsif ($pro eq 'author') {
             if ($author) {
-                if (($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) {
-		    my ($cadom,$caname)=
+                if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
+                    (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
+                    # Check that we are on the correct machine
+                    my $cadom=$requested_domain;
+                    my $caname=$ENV{'user.name'};
+                    if ($prt eq 'rca') {
+		       ($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);
+                    }                       
+                    $act =~ s/\$caname/$caname/g;
+                    my $home = &Apache::lonnet::homeserver($caname,$cadom);
+                    if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
+                        $output.=switch($caname,$cadom,
+                                        $row,$col,$img,$top,$bot,$act,$desc);
+                    }
                 }
             }
         }
-    } @desklines;
+    }
+    unless ($ENV{'browser.interface'} eq 'textual') {
+       $output.="swmenu.syncclock(1000*".time.");";
+    }
     return $output;
 }
 
 # ======================================================================= Close
 
 sub close {
+    my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
     return(<<ENDCLOSE);
 <script>
-window.status='MenuControl:nologout';
-menu=window.open("/adm/rat/empty.html","LONCAPAmenu",
+menu=window.open("/adm/rat/empty.html","$menuname",
                  "height=350,width=150,scrollbars=no,menubar=no");
+menu.autologout=0;
 menu.close();
 </script>
 ENDCLOSE
@@ -168,20 +289,43 @@ sub footer {
 
 }
 
+# ================================================ Handler when called directly
+
+
+sub handler {
+    my $r = shift;
+    $r->content_type('text/html');
+    $r->send_http_header;
+    return OK if $r->header_only;
+
+    my $bodytag=&Apache::loncommon::bodytag('Main Menu');
+# ------------------------------------------------------------ Print the screen
+    $r->print('<html><head><title>LON-CAPA Main Menu</title></head>'.$bodytag);
+    $r->print(&rawconfig(1));
+    $r->print('</body></html>');
+    return OK;
+}
+
 # ================================================================ Main Program
 
 BEGIN {
-  unless ($readdesk) {
-  {
+  if (! defined($readdesk)) {
+   {
     my $config=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
 				  '/mydesk.tab');
     while (my $configline=<$config>) {
+       $configline=(split(/\#/,$configline))[0];
+       $configline=~s/^\s+//;
        chomp($configline);
-       $desklines[$#desklines+1]=$configline;
+       if ($configline) {
+          $desklines[$#desklines+1]=$configline;
+       }
     }
+   }
+   $readdesk='done';
   }
 }
-}
+
 1;
 __END__