--- loncom/interface/lonmenu.pm	2002/02/14 14:55:37	1.16
+++ loncom/interface/lonmenu.pm	2003/06/04 22:05:22	1.74
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.16 2002/02/14 14:55:37 harris41 Exp $
+# $Id: lonmenu.pm,v 1.74 2003/06/04 22:05:22 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -25,77 +25,679 @@
 #
 # http://www.lon-capa.org/
 #
-# (TeX Conversion Module
 #
-# 05/29/00,05/30 Gerd Kortemeyer)
+# There are two parameters controlling the action of this module:
+#
+# browser.interface - if this is 'textual', it overrides the second parameter
+# and goes to screen reader PDA mode
+#
+# environment.remote - if this is 'on', the routines controll the remote
+# control, otherwise they render the main window controls; ignored it
+# browser.interface is 'textual'
 #
-# 10/05,05/28,05/30,06/01,06/08,06/09,07/04,08/07 Gerd Kortemeyer
 
 package Apache::lonmenu;
 
 use strict;
 use Apache::lonnet;
+use Apache::Constants qw(:common);
+use Apache::lonhtmlcommon();
+use Apache::loncommon;
 use Apache::File;
 use vars qw(@desklines $readdesk);
- 
-# =============================================================== Open the menu
+my @inlineremote;
+my $font;
+my $tabbg;
+my $pgbg;
+
+# ============================= This gets called at the top of the body section
+
+sub menubuttons {
+    my $forcereg=shift;
+    my $target  =shift;
+    my $registration=shift;
+    my $navmaps='';
+    my $reloadlink='';
+    my $escurl=&Apache::lonnet::escape($ENV{'REQUEST_URI'});
+    my $escsymb=&Apache::lonnet::escape($ENV{'request.symb'});
+    if ($ENV{'browser.interface'} eq 'textual') {
+# Textual display only
+        if ($ENV{'request.course.id'}) {
+	    $navmaps=(<<ENDNAV);
+<a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">Navigate Contents</a>
+ENDNAV
+            if (($ENV{'REQUEST_URI'}=~/^\/adm\//) &&
+         ($ENV{'REQUEST_URI'}!~/^\/adm\/wrapper\//) &&
+         ($ENV{'REQUEST_URI'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
+                my $escreload=&Apache::lonnet::escape('return:');
+                $reloadlink=(<<ENDRELOAD);
+<a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">Return to Last Location</font></a>
+ENDRELOAD
+            }
+        }
+	my $output=(<<ENDMAINMENU);
+<script>
+// BEGIN LON-CAPA Internal
+</script>
+<a href="/adm/menu" target="_top">Main Menu</a>
+$reloadlink $navmaps<br />
+<script>
+// END LON-CAPA Internal
+</script>
+ENDMAINMENU
+        if ($registration) { $output.=&innerregister($forcereg,$target); }
+	return $output."<hr />";
+    } elsif ($ENV{'environment.remote'} eq 'off') {
+# Remote Control is switched off
+# figure out colors
+	my $function='student';
+        if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
+	    $function='coordinator';
+        }
+	if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
+            $function='admin';
+        }
+        if (($ENV{'request.role'}=~/^(au|ca)/) ||
+            ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
+            $function='author';
+        }
+        my $domain=&Apache::loncommon::determinedomain();
+        $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
+        $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
+        $font=&Apache::loncommon::designparm($function.'.font',$domain);
+        my $link=&Apache::loncommon::designparm($function.'.link',$domain);
+        my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
+        my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
+        my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
+# Do we have a NAV link?
+        if ($ENV{'request.course.id'}) {
+	    $navmaps=(<<ENDNAVREM);
+<td bgcolor="$tabbg">
+<a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top"><font color="$font">Navigate Contents</font></a></td>
+ENDNAVREM
+            if (($ENV{'REQUEST_URI'}=~/^\/adm\//) &&
+                ($ENV{'REQUEST_URI'}!~/^\/adm\/wrapper\//) &&
+         ($ENV{'REQUEST_URI'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
+                my $escreload=&Apache::lonnet::escape('return:');
+                $reloadlink=(<<ENDRELOAD);
+<td bgcolor="$tabbg">
+<a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">Return to Last Location</font></a></td>
+ENDRELOAD
+            }
+        }
+        my $reg='';
+        if ($registration) {
+           $reg=&innerregister($forcereg,$target);
+        }
+	return (<<ENDINLINEMENU);
+<script>
+// BEGIN LON-CAPA Internal
+</script>
+<table bgcolor="$pgbg" width="100%" border="0" cellpadding="3" cellspacing="3">
+<tr>
+<td bgcolor="$tabbg">
+<a href="/adm/menu" target="_top"><font color="$font">Main Menu</font></a>
+</td>
+$reloadlink
+$navmaps
+<td bgcolor="$tabbg">
+<a href="/adm/remote?action=launch&url=$escurl" target="_top">
+<font color="$font">Launch Remote Control</font></a></td>
+<td bgcolor="$tabbg">
+<img align="right" src="/adm/lonIcons/minilogo.gif" />
+<b>LON-CAPA</b></td>
+</tr>
+</table>
+<script>
+// END LON-CAPA Internal
+</script>
+$reg
+ENDINLINEMENU
+    } else {
+	return '';
+    }
+}
 
-sub open {
-    return(<<ENDOPEN);
+# ===== Early call to LONCAPAreg for long-running pages, preferably used right 
+# ===== before $r->rflush()
+
+sub regflush {
+    return '<script type="text/javascript">'.&loadevents.'</script>';
+}
+
+# ====================================== This gets called in the header section
+
+sub registerurl {
+    my $forcereg=shift;
+    my $target = shift;
+    my $result = '';
+    if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
+    my $force_title='';
+    if ($ENV{'request.state'} eq 'construct') {
+	$force_title=&Apache::lonxml::display_title();
+    }
+    if ($target eq 'edit') {
+        $result .="<script type=\"text/javascript\">\n".
+            "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
+            &Apache::loncommon::browser_and_searcher_javascript().
+                "\n</script>\n";
+    }
+    if (($ENV{'browser.interface'} eq 'textual') ||
+        ($ENV{'environment.remote'} eq 'off') ||
+        ((($ENV{'request.publicaccess'}) || 
+         (!&Apache::lonnet::is_on_map($ENV{'REQUEST_URI'}))) &&
+        (!$forcereg))) {
+        my $loadfunction='';
+        my $inlineloadfunction='';
+        my $unloadfunction='';
+        unless (($ENV{'browser.interface'} eq 'textual') ||
+                ($ENV{'environment.remote'} eq 'off') ||
+                ($ENV{'request.publicaccess'})) {
+	    my $reopen=&Apache::lonmenu::reopenmenu();
+ 	    $loadfunction='swmenu='.$reopen.'swmenu.windowloaded(self.name);window.focus();';
+            $inlineloadfunction=&regflush();
+ 	    $unloadfunction='swmenu='.$reopen.'swmenu.windowunloaded(self.name);';
+        } 
+	return $result.(<<ENDFUNCTIONS);
+<script type="text/javascript">
+function LONCAPAreg() {
+   $loadfunction
+} 
+
+function LONCAPAstale() {
+   $unloadfunction
+}
+</script>
+$inlineloadfunction
+$force_title
+ENDFUNCTIONS
+    }
+# Graphical display after login only
+    if ($Apache::lonxml::registered && !$forcereg) { return ''; }
+    $result.=&innerregister($forcereg,$target);
+    return $result.$force_title;
+}
+
+# =========== This gets called in order to register a URL, both with the Remote
+# =========== and in the body of the document
+
+sub innerregister {
+    my $forcereg=shift;
+    my $target = shift;
+    my $result = '';
+    if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
+
+    $Apache::lonxml::registered=1;
+
+    my $textinter=($ENV{'browser.interface'} eq 'textual');
+    my $noremote=($ENV{'environment.remote'} eq 'off');
+    
+    my $textual=($textinter || $noremote);
+
+    @inlineremote=();
+    undef @inlineremote;
+
+    my $reopen=&Apache::lonmenu::reopenmenu();
+
+    my $newmail='';
+    if ($noremote) {
+	$newmail='<table bgcolor="'.$pgbg.'" border="0" cellspacing="3" cellpadding="3" width="100%"><tr><td bgcolor="'.$tabbg.'">';
+    }
+    if (($textual) && ($ENV{'request.symb'}) && ($ENV{'request.course.id'})) {
+	my ($mapurl,$rid,$resurl)=split(/\_\_\_/,$ENV{'request.symb'});
+        $newmail.=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+        my $maptitle=&Apache::lonnet::gettitle($mapurl);
+	my $restitle=&Apache::lonnet::gettitle($resurl);
+        if ($maptitle) {
+	    $newmail.=', '.$maptitle;
+        }
+        if ($restitle) {
+	    $newmail.=': '.$restitle;
+        }
+        $newmail.='&nbsp;&nbsp;&nbsp;';
+    }
+    if (&Apache::lonmsg::newmail()) { 
+       $newmail=($textual?
+ '<b><a href="/adm/communicate">You have new messages</a></b><br />':
+                          'swmenu.setstatus("you have","messages");');
+    }
+    if ($noremote) {
+	$newmail.='</td></tr></table>';
+    }
+    my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
+    my $tablestart=($noremote?'<table bgcolor="'.$pgbg.'" border="0" cellspacing="3" cellpadding="3" width="100%">':'');
+    my $tableend=($noremote?'</table>':'');
+# =============================================================================
+# ============================ This is for URLs that actually can be registered
+    if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
+# -- This applies to homework problems for users with grading privileges
+        my $hwkadd='';
+        if 
+      ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
+	    if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
+		$hwkadd.=&switch('','',7,1,'subm.gif','view sub','missions',
+                       "gocmd('/adm/grades','submission')",
+		       'View user submissions for this assessment resource');
+            }
+	    if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) {
+		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem','grades',
+                       "gocmd('/adm/grades','gradingmenu')",
+                       'Modify user grades for this assessment resource');
+            }
+	    if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
+		$hwkadd.=&switch('','',7,3,'pparm.gif','problem','parms',
+                       "gocmd('/adm/parmset','set')",
+                       'Modify deadlines, etc, for this assessment resource');
+            }
+	}
+# -- End Homework
+        ###
+        ### Determine whether or not to display the 'cstr' button for this
+        ### resource
+        ###
+        my $editbutton = '';
+        if ($ENV{'user.author'}) {
+            if ($ENV{'request.role'}=~/^(ca|au)/) {
+                # Set defaults for authors
+                my ($top,$bottom) = ('con-','struct');
+                my $action = "go('/priv/".$ENV{'user.name'}."');";
+                my $cadom  = $ENV{'request.role.domain'};
+                my $caname = $ENV{'user.name'};
+                my $desc = "Enter my resource construction space";
+                # Set defaults for co-authors
+                if ($ENV{'request.role'} =~ /^ca/) { 
+                    ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
+                    ($top,$bottom) = ('co con-','struct');
+                    $action = "go('/priv/".$caname."');";
+                    $desc = "Enter construction space as co-author";
+                }
+                # Check that we are on the correct machine
+                my $home = &Apache::lonnet::homeserver($caname,$cadom);
+                if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
+                    $editbutton=&switch
+                        ('','',6,1,$top,,$bottom,$action,$desc);
+                }
+            }
+            ##
+            ## Determine if user can edit url.
+            ##
+            my $cfile='';
+            my $cfuname='';
+            my $cfudom='';
+            if ($ENV{'request.filename'}) {
+                my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
+                $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
+                # Chech that the user has permission to edit this resource
+                ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
+                if (defined($cfudom)) {
+                    if (&Apache::lonnet::homeserver($cfuname,$cfudom) 
+                        eq $Apache::lonnet::perlvar{'lonHostID'}) {
+                        $cfile=$file;
+                    }
+                }
+            }        
+            # Finally, turn the button on or off
+            if ($cfile) {
+                $editbutton=&switch
+                    ('','',6,1,'cstr.gif','edit','resource',
+                     "go('".$cfile."');","Edit this resource");
+            } elsif ($editbutton eq '') {
+                $editbutton=&clear(6,1);
+            }
+        }
+        ###
+        ###
+# Prepare the rest of the buttons
+	my $menuitems=(<<ENDMENUITEMS);
+c&3&1
+s&2&1&back.gif&backward&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
+s&2&3&forw.gif&forward&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
+s&6&3&catalog.gif&catalog&info&catalog_info()&Show catalog information
+s&8&1&eval.gif&evaluate&this&gopost('/adm/evaluate',currentURL)&Provide my evaluation of this resource
+s&8&2&fdbk.gif&feedback&discuss&gopost('/adm/feedback',currentURL)&Provide feedback messages or contribute to the course discussion about this resource
+s&8&3&prt.gif&prepare&printout&gopost('/adm/printout',currentURL)&Prepare a printable document
+s&9&1&sbkm.gif&set&bookmark&set_bookmark()&Set a bookmark for this resource&2
+s&9&2&vbkm.gif&view&bookmark&edit_bookmarks()&Use or edit my bookmark collection&2
+s&9&3&anot.gif&anno-&tations&annotate()&Make notes and annotations about this resource&2
+ENDMENUITEMS
+        my $buttons='';
+        foreach (split(/\n/,$menuitems)) {
+	    my ($command,@rest)=split(/\&/,$_);
+            if ($command eq 's') {
+		$buttons.=&switch('','',@rest);
+            } else {
+                $buttons.=&clear(@rest);
+            }
+        }
+        if ($textual) {
+# Registered, textual output
+            my $utility=&utilityfunctions();
+            my $form=&serverform();
+            my $inlinebuttons=
+                        join('',map { (defined($_)?$_:'') } @inlineremote);
+	    $result =(<<ENDREGTEXT);
 <script>
-if (window.screen) {
-    self.resizeTo(screen.availWidth-215,screen.availHeight-30);
-    self.moveTo(190,15);
+// BEGIN LON-CAPA Internal
+$utility
+</script>
+$timesync
+$newmail
+$tablestart
+$inlinebuttons
+$tableend
+$form
+<script>
+// END LON-CAPA Internal
+</script>
+
+ENDREGTEXT
+# Registered, graphical output
+        } else {
+	    $result = (<<ENDREGTHIS);
+     
+<script language="JavaScript">
+// BEGIN LON-CAPA Internal
+var swmenu=null;
+
+    function LONCAPAreg() {
+	  swmenu=$reopen;
+          swmenu.windowloaded(self.name);
+          swmenu.clearTimeout(swmenu.menucltim);
+          $timesync
+          $newmail
+          $buttons
+	  swmenu.currentURL=window.location.pathname;
+          swmenu.reloadURL=window.location.pathname+window.location.search;
+          swmenu.currentSymb="$ENV{'request.symb'}";
+          swmenu.reloadSymb="$ENV{'request.symb'}";
+          swmenu.currentStale=0;
+          $hwkadd
+          $editbutton
+    }
+
+    function LONCAPAstale() {
+	  swmenu=$reopen
+          swmenu.currentStale=1;
+          if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) { 
+             swmenu.switchbutton
+             (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
+	  }
+          swmenu.clearbut(7,1);
+          swmenu.clearbut(7,2);
+          swmenu.clearbut(7,3);
+          swmenu.menucltim=swmenu.setTimeout(
+ 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
+ 'clearbut(9,1);clearbut(9,2);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
+			  2000);
+          swmenu.windowunloaded(self.name);
+      }
+
+// END LON-CAPA Internal
+</script>
+ENDREGTHIS
+        }
+# =============================================================================
+    } else {
+# ========================================== This can or will not be registered
+        if ($textual) {
+# Not registered, textual
+	    $result= (<<ENDDONOTREGTEXT);
+ENDDONOTREGTEXT
+        } else {
+# Not registered, graphical
+           $result = (<<ENDDONOTREGTHIS);
+
+<script language="JavaScript">
+// BEGIN LON-CAPA Internal
+var swmenu=null;
+
+    function LONCAPAreg() {
+	  swmenu=$reopen
+	  swmenu.windowloaded(self.name);
+          $timesync
+          swmenu.currentStale=1;
+          swmenu.clearbut(2,1);
+          swmenu.clearbut(2,3);
+          swmenu.clearbut(8,1);
+          swmenu.clearbut(8,2);
+          swmenu.clearbut(8,3);
+          if (swmenu.currentURL) {
+             swmenu.switchbutton
+              (3,1,'reload.gif','return','location','go(currentURL)');
+ 	  } else {
+	      swmenu.clearbut(3,1);
+          }
+    }
+
+    function LONCAPAstale() {
+ 	  swmenu=$reopen
+	  swmenu.windowunloaded(self.name);  
+    }
+
+// END LON-CAPA Internal
+</script>
+ENDDONOTREGTHIS
+       }
+# =============================================================================
+    }
+    return $result;
 }
-menu=window.open("/res/adm/pages/menu.html","LONCAPAmenu",
-"height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
+
+sub loadevents() {
+    if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
+    return 'LONCAPAreg();';
+}
+
+sub unloadevents() {
+    if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
+    return 'LONCAPAstale();';
+}
+
+# ============================================================= Start up remote
+
+sub startupremote {
+    my ($lowerurl)=@_;
+    if (($ENV{'browser.interface'} eq 'textual') ||
+        ($ENV{'environment.remote'} eq 'off')) {
+     return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
+    }
+#
+# The Remote actually gets launched!
+#
+    my $configmenu=&rawconfig();
+    my $esclowerurl=&Apache::lonnet::escape($lowerurl);
+
+    return(<<ENDREMOTESTARTUP);
+<script>
+
+function wheelswitch() {
+   if (window.status=='|') { 
+      window.status='/'; 
+   } else {
+      if (window.status=='/') {
+         window.status='-';
+      } else {
+         if (window.status=='-') { 
+            window.status='\\\\'; 
+         } else {
+            if (window.status=='\\\\') { window.status='|'; }
+         }
+      }
+   } 
+}
+
+// ---------------------------------------------------------- The wait function
+var canceltim;
+function wait() {
+   if ((menuloaded==1) || (tim==1)) {
+      window.status='Done.';
+      if (tim==0) {
+         clearTimeout(canceltim);
+         $configmenu
+         window.location='$lowerurl';  
+      } else {
+	  window.location='/adm/remote?action=collapse&url=$esclowerurl';
+      }
+   } else {
+      wheelswitch();
+      setTimeout('wait();',200);
+   }
+}
+
+function main() {
+   canceltim=setTimeout('tim=1;',30000);
+   window.status='-';
+   wait();
+}
+
 </script>
-ENDOPEN
+ENDREMOTESTARTUP
 }
 
-# ============================================================ Switch Menu Item
+sub setflags() {
+    return(<<ENDSETFLAGS);
+<script>
+    menuloaded=0;
+    tim=0;
+</script>
+ENDSETFLAGS
+}
 
-sub switchmenu {
-    my ($row,$col,$imgsrc,$texttop,$textbot,$action)=@_;
-    return(<<ENDSMENU);
+sub maincall() {
+    if (($ENV{'browser.interface'} eq 'textual') ||
+        ($ENV{'environment.remote'} eq 'off')) { return ''; }
+    return(<<ENDMAINCALL);
 <script>
-   swmenu=window.open('','LONCAPAmenu');
-   swmenu.switchbutton($row,$col,"$imgsrc","$texttop","$textbot","$action");
+    main();
 </script>
-ENDSMENU
+ENDMAINCALL
+}
+# ================================================================= Reopen menu
+
+sub reopenmenu {
+   if (($ENV{'browser.interface'} eq 'textual') ||
+       ($ENV{'environment.remote'} eq 'off')) { return ''; }
+   my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
+   my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
+   return('window.open('.$nothing.',"'.$menuname.'","",false);');
+} 
+
+# =============================================================== Open the menu
+
+sub open {
+    my $returnval='';
+    if (($ENV{'browser.interface'} eq 'textual') ||
+        ($ENV{'environment.remote'} eq 'off')) { 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
+    }
+    $returnval.=(<<ENDOPEN);
+window.status='Opening LON-CAPA Remote Control';
+var menu=window.open("/res/adm/pages/menu.html","$menuname",
+"height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
+self.name='loncapaclient';
+ENDOPEN
+    return '<script>'.$returnval.'</script>';
 }
 
+
 # ================================================================== Raw Config
 
 sub clear {
     my ($row,$col)=@_;
-    return qq(swmenu.clearbut($row,$col););
+    unless (($ENV{'browser.interface'} eq 'textual') ||
+            ($ENV{'environment.remote'} eq 'off')) {
+       return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
+   } else { 
+       $inlineremote[10*$row+$col]='';
+       return ''; 
+   }
 }
 
+# ============================================ Switch a button or create a link
+# 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,$desc,$nobreak)=@_;
     $act=~s/\$uname/$uname/g;
     $act=~s/\$udom/$udom/g;
-    return "\n".
- qq(swmenu.switchbutton($row,$col,"$img","$top","$bot","$act"););
+    unless (($ENV{'browser.interface'} eq 'textual')  ||
+            ($ENV{'environment.remote'} eq 'off')) {
+# Remote
+       return "\n".
+ qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
+   } elsif ($ENV{'browser.interface'} eq 'textual') {
+# Accessibility
+       if ($nobreak==2) { return ''; }
+       my $text=$top.' '.$bot;
+       $text=~s/\- //;
+       $inlineremote[10*$row+$col]="\n".($nobreak?' ':'<br />').
+        '<a href="javascript:'.$act.';">'.$text.'</a> '.
+        ($nobreak?'':$desc);
+   } else {
+# Inline Remote
+       if ($nobreak==2) { return ''; }
+       my $text=$top.' '.$bot;
+       $text=~s/\- //;
+       $inlineremote[10*$row+$col]="\n".
+         ($nobreak==3?'<td width="50%" colspan="2" align="right"':'<tr><td').
+         ' bgcolor="'.$tabbg.'"'.($nobreak==1?' width="50%" colspan="2"':'').
+     '"><a href="javascript:'.$act.';"><font color="'.$font.'"'.
+          ($nobreak?' size="+1"':'').
+     '>'.$text.'</font></a></td>'.
+     ($nobreak?'':'<td colspan="3" width="80%"><font color="'.$font.'" size="-1">'.$desc.'</font>').($nobreak!=1?'</tr>':'');
+   }
+    return '';
 }
 
 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 (($ENV{'browser.interface'} eq 'textual') ||
+        ($ENV{'environment.remote'} eq 'off')) { return ''; }
+    my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
+    return "window.open(".$nothing.",'".$menuname."');";
+}
+
+sub inlinemenu {
+    @inlineremote=();
+    undef @inlineremote;
+    &rawconfig(1);
+    return join('',map { (defined($_)?$_:'') } @inlineremote);
+}
+
 sub rawconfig {
-    my $output="swmenu=window.open('','LONCAPAmenu');";
+    my $textualoverride=shift;
+    my $output='';
+    unless (($ENV{'browser.interface'} eq 'textual') ||
+            ($ENV{'environment.remote'} eq 'off')) {
+       $output.=
+ "window.status='Opening Remote Control';var swmenu=".&openmenu().
+"\nwindow.status='Configuring Remote Control ';";
+    } else {
+       unless ($textualoverride) { return ''; }
+    }
     my $uname=$ENV{'user.name'};
     my $udom=$ENV{'user.domain'};
     my $adv=$ENV{'user.adv'};
@@ -111,55 +713,81 @@ sub rawconfig {
     my $pub=($ENV{'request.state'} eq 'published');
     my $con=($ENV{'request.state'} eq 'construct');
     my $rol=$ENV{'request.role'};
+    my $requested_domain = $ENV{'request.role.domain'};
     foreach (@desklines) {
-        my ($row,$col,$pro,$prt,$img,$top,$bot,$act)=split(/\:/,$_);
+        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,$desc);
+                    }
                 }
             }
         }
     }
+    unless (($ENV{'browser.interface'} eq 'textual') ||
+            ($ENV{'environment.remote'} eq 'off')) {
+       $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
+    }
     return $output;
 }
 
 # ======================================================================= Close
 
 sub close {
+    if (($ENV{'browser.interface'} eq 'textual') ||
+        ($ENV{'environment.remote'} eq 'off')) { return ''; }
+    my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
     return(<<ENDCLOSE);
 <script>
-menu=window.open("/adm/rat/empty.html","LONCAPAmenu",
+window.status='Accessing Remote Control';
+menu=window.open("/adm/rat/empty.html","$menuname",
                  "height=350,width=150,scrollbars=no,menubar=no");
+window.status='Disabling Remote Control';
+menu.active=0;
+menu.autologout=0;
+window.status='Closing Remote Control';
 menu.close();
+window.status='Done.';
 </script>
 ENDCLOSE
 }
@@ -170,6 +798,113 @@ sub footer {
 
 }
 
+sub utilityfunctions {
+    unless (($ENV{'browser.interface'} eq 'textual')  ||
+        ($ENV{'environment.remote'} eq 'off')) { return ''; }
+    my $currenturl=$ENV{'REQUEST_URI'};
+    my $currentsymb=$ENV{'request.symb'};
+return (<<ENDUTILITY)
+
+    var currentURL="$currenturl";
+    var reloadURL="$currenturl";
+    var currentSymb="$currentsymb";
+
+function go(url) {
+   if (url!='' && url!= null) {
+       currentURL = null;
+       currentSymb= null;
+       window.location.href=url;
+   }
+}
+
+function gopost(url,postdata) {
+   if (url!='') {
+      this.document.server.action=url;
+      this.document.server.postdata.value=postdata;
+      this.document.server.command.value='';
+      this.document.server.url.value='';
+      this.document.server.symb.value='';
+      this.document.server.submit();
+   }
+}
+
+function gocmd(url,cmd) {
+   if (url!='') {
+      this.document.server.action=url;
+      this.document.server.postdata.value='';
+      this.document.server.command.value=cmd;
+      this.document.server.url.value=currentURL;
+      this.document.server.symb.value=currentSymb;
+      this.document.server.submit();
+   }
+}
+
+function catalog_info() {
+   loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizeable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
+}
+
+function chat_win() {
+   lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizeable=yes,location=no,menubar=no,toolbar=no');
+}
+ENDUTILITY
+}
+
+sub serverform {
+    return(<<ENDSERVERFORM);
+
+<form name="server" action="/adm/logout" method="post" target="_top">
+<input type="hidden" name="postdata" value="none" />
+<input type="hidden" name="command" value="none" />
+<input type="hidden" name="url" value="none" />
+<input type="hidden" name="symb" value="none" />
+</form>
+ENDSERVERFORM
+}
+# ================================================ 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 $form=&serverform();
+    my $bodytag=&Apache::loncommon::bodytag('Main Menu');
+    my $function='student';
+    if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
+	$function='coordinator';
+    }
+    if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
+	$function='admin';
+    }
+    if (($ENV{'request.role'}=~/^(au|ca)/) ||
+	($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
+	$function='author';
+    }
+    my $domain=&Apache::loncommon::determinedomain();
+    $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
+    $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
+    $font=&Apache::loncommon::designparm($function.'.font',$domain);
+# ---- Print the screen, pretent to be in text mode to generate text-based menu
+    unless ($ENV{'brower.interface'} eq 'textual') {
+	$ENV{'environment.remote'}='off';
+    }
+    my $utility=&utilityfunctions();
+    $r->print(<<ENDHEADER);
+<html><head>
+<title>LON-CAPA Main Menu</title>
+<script>
+$utility
+</script>
+</head>
+$bodytag
+ENDHEADER
+    $r->print('<table>'.&inlinemenu().'</table>'.$form);
+    $r->print('</body></html>');
+    return OK;
+}
+
 # ================================================================ Main Program
 
 BEGIN {
@@ -189,6 +924,7 @@ BEGIN {
    $readdesk='done';
   }
 }
+
 1;
 __END__