--- loncom/interface/lonmenu.pm	2012/12/13 17:38:40	1.369.2.27
+++ loncom/interface/lonmenu.pm	2013/08/13 14:17:37	1.369.2.46
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.369.2.27 2012/12/13 17:38:40 raeburn Exp $
+# $Id: lonmenu.pm,v 1.369.2.46 2013/08/13 14:17:37 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -106,10 +106,11 @@ secondary_menu().
 
 =item primary_menu()
 
-This routine evaluates @primary_menu and returns XHTML for the menu
-that contains following links: About, Message, Roles, Help, Logout
+This routine evaluates @primary_menu and returns a two item array, 
+with the array elements containing XHTML for the left and right sides of 
+the menu that contains the following links: About, Message, Roles, Help, Logout 
 @primary_menu is filled within the BEGIN block of this module with 
-entries from mydesk.tab 
+entries from mydesk.tab
 
 =item secondary_menu()
 
@@ -223,15 +224,16 @@ sub prep_menuitem {
            . qq| href="$$menuitem[0]" target="_top">$link</a></li>|;
 }
 
-# primary_menu() evaluates @primary_menu and returns XHTML for the menu
-# that contains following links:
-# About, Message, Personal, Roles, Help, Logout
+# primary_menu() evaluates @primary_menu and returns a two item array,
+# with the array elements containing XHTML for the left and right sides of 
+# the menu that contains the following links:
+# Personal, About, Message, Roles, Help, Logout
 # @primary_menu is filled within the BEGIN block of this module with 
 # entries from mydesk.tab
 sub primary_menu {
-    my $menu;
+    my %menu;
     # each element of @primary contains following array:
-    # (link url, icon path, alt text, link text, condition)
+    # (link url, icon path, alt text, link text, condition, position)
     my $public;
     if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
         || (($env{'user.name'} eq '') && ($env{'user.domain'} eq ''))) {
@@ -256,6 +258,10 @@ sub primary_menu {
                 && !&Apache::loncommon::show_course(); ##
         
         my $title = $menuitem->[3];
+        my $position = $menuitem->[5];
+        if ($position eq '') {
+            $position = 'right';
+        }
         if (defined($primary_submenu{$title})) {
             my ($link,$target);
             if ($menuitem->[0] ne '') {
@@ -268,7 +274,6 @@ sub primary_menu {
             if (ref($primary_submenu{$title}) eq 'ARRAY') {
                 foreach my $item (@{$primary_submenu{$title}}) {
                     next if (($item->[2] eq 'wishlist') && (!$env{'user.adv'})); 
-                    next if (($item->[2] eq 'reqcrs') && (!&check_for_rcrs()));
                     next if ((($item->[2] eq 'portfolio') || 
                              ($item->[2] eq 'blog')) && 
                              (!&Apache::lonnet::usertools_access('','',$item->[2],
@@ -276,9 +281,9 @@ sub primary_menu {
                     push(@primsub,$item);
                 }
                 if (@primsub > 0) {
-                    $menu .= &create_submenu($link,$target,$title,\@primsub);
+                    $menu{$position} .= &create_submenu($link,$target,$title,\@primsub,1);
                 } elsif ($link) {
-                    $menu .= '<li><a href="'.$link.'" target="'.$target.'">'.&mt($title).'</a></li>';
+                    $menu{$position} .= '<li><a href="'.$link.'" target="'.$target.'">'.&mt($title).'</a></li>';
                 }
             }
         } elsif ($$menuitem[3] eq 'Help') { # special treatment for helplink
@@ -289,19 +294,17 @@ sub primary_menu {
                                                                   'helpdeskmail',
                                                                   $defdom,$origmail);
                 if ($to ne '') {
-                    $menu .= &prep_menuitem($menuitem); 
+                    $menu{$position} .= &prep_menuitem($menuitem); 
                 }
             } else {
-                $menu .= '<li>'.&Apache::loncommon::top_nav_help('Help').'</li>';
+                $menu{$position} .= '<li>'.&Apache::loncommon::top_nav_help('Help').'</li>';
             }
         } else {
-            $menu .= prep_menuitem($menuitem);
+            $menu{$position} .= prep_menuitem($menuitem);
         }
     }
-    $menu =~ s/\[domain\]/$env{'user.domain'}/g;
-    $menu =~ s/\[user\]/$env{'user.name'}/g;
-
-    return "<ol class=\"LC_primary_menu LC_right\">$menu</ol>";
+    return ("<ol class=\"LC_primary_menu LC_floatleft\">$menu{'left'}</ol>",
+            "<ol class=\"LC_primary_menu LC_floatright LC_right\">$menu{'right'}</ol>");
 }
 
 #returns hashref {user=>'',dom=>''} containing:
@@ -338,6 +341,9 @@ sub secondary_menu {
                                                : '');
     my $canedit       = &Apache::lonnet::allowed('mdc', $env{'request.course.id'});
     my $canviewroster = $env{'course.'.$env{'request.course.id'}.'.student_classlist_view'};
+    if ($canviewroster eq 'disabled') {
+        undef($canviewroster);
+    }
     my $canviewgrps   = &Apache::lonnet::allowed('vcg', $crs_sec);
     my $canmodifyuser = &Apache::lonnet::allowed('cst', $crs_sec);
     my $canviewwnew   = &Apache::lonnet::allowed('whn', $crs_sec);
@@ -346,16 +352,52 @@ sub secondary_menu {
     my $canmgr        = &Apache::lonnet::allowed('mgr', $crs_sec);
     my $author        = &getauthor();
 
+    my ($cdom,$cnum,$showsyllabus,$showfeeds,$showresv);
+    if ($env{'request.course.id'}) {
+        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+        unless ($canedit) {
+            unless (&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus")) {
+                if (($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'}) ||
+                    ($env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) ||
+                    ($env{'course.'.$env{'request.course.id'}.'.updatedsyllabus'}) ||
+                    ($env{'request.course.syllabustime'})) {
+                    $showsyllabus = 1;
+                }
+            }
+            if ($env{'request.course.feeds'}) {
+                $showfeeds = 1;
+            }
+        }
+        unless ($canmgr) {
+            my %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
+            if (keys(%slots) > 0) {
+                $showresv = 1;
+            }
+        }
+    }
+
+    my ($canmodifycoauthor);
+    if ($env{'request.role'} eq "au./$env{'user.domain'}/") {
+        my $extent = "$env{'user.domain'}/$env{'user.name'}";
+        if ((&Apache::lonnet::allowed('cca',$extent)) ||
+            (&Apache::lonnet::allowed('caa',$extent))) {
+            $canmodifycoauthor = 1;
+        }
+    }
+
     my %groups = &Apache::lonnet::get_active_groups(
                      $env{'user.domain'}, $env{'user.name'},
                      $env{'course.' . $env{'request.course.id'} . '.domain'},
                      $env{'course.' . $env{'request.course.id'} . '.num'});
 
+    my ($roleswitcher_js,$roleswitcher_form);
+
     foreach my $menuitem (@secondary_menu) {
         # evaluate conditions 
         next if    ref($menuitem)  ne 'ARRAY';
         next if    $$menuitem[4]   ne 'always'
-                && $$menuitem[4]   ne 'author'
+                && ($$menuitem[4]  ne 'author' && $$menuitem[4] ne 'cca')
                 && !$env{'request.course.id'};
         next if    $$menuitem[4]   =~ /^mdc/
                 && !$canedit;
@@ -373,16 +415,22 @@ sub secondary_menu {
                 && ($canmodifyuser || !$canviewroster);
         next if    $$menuitem[4]   eq 'mgr'
                 && !$canmgr;
-        next if    $$menuitem[4]   eq 'nmgr'
-                && $canmgr;
+        next if    $$menuitem[4]   eq 'showresv'
+                && !$showresv;
         next if    $$menuitem[4]   eq 'whn'
                 && !$canviewwnew;
         next if    $$menuitem[4]   eq 'opa'
                 && !$canmodpara;
         next if    $$menuitem[4]   eq 'nvcg'
                 && ($canviewgrps || !%groups);
+        next if    $$menuitem[4]   eq 'showsyllabus'
+                && !$showsyllabus;
+        next if    $$menuitem[4]   eq 'showfeeds'
+                && !$showfeeds;
         next if    $$menuitem[4]    eq 'author'
                 && !$author;
+        next if    $$menuitem[4]    eq 'cca'
+                && !$canmodifycoauthor;
 
         my $title = $menuitem->[3];
         if (defined($secondary_submenu{$title})) {
@@ -393,7 +441,7 @@ sub secondary_menu {
             } else {
                 $link = '#';
             }
-            my @scndsub;   
+            my @scndsub;
             if (ref($secondary_submenu{$title}) eq 'ARRAY') {
                 foreach my $item (@{$secondary_submenu{$title}}) {
                     if (ref($item) eq 'ARRAY') {
@@ -402,24 +450,36 @@ sub secondary_menu {
                         next if ($item->[2] eq 'cst' && !$canmodifyuser);
                         next if ($item->[2] eq 'mgr' && !$canmgr);
                         next if ($item->[2] eq 'vcg' && !$canviewgrps);
+                        next if ($item->[2] eq 'mdc' && !$canedit);
                         push(@scndsub,$item); 
                     }
                 }
                 if (@scndsub > 0) {
-                    $menu .= &create_submenu($link,$target,$title,\@scndsub);
-                } elsif ($link) {
+                    $menu .= &create_submenu($link,$target,$title,\@scndsub,1);
+                } elsif ($link ne '#') {
                     $menu .= '<li><a href="'.$link.'" target="'.$target.'">'.&mt($title).'</a></li>';
                 }
             }
         } elsif ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
             # special treatment for role selector
-            my $roles_selector = &roles_selector(
+            ($roleswitcher_js,$roleswitcher_form,my $switcher) =
+                &roles_selector(
                         $env{'course.' . $env{'request.course.id'} . '.domain'},
-                        $env{'course.' . $env{'request.course.id'} . '.num'}  );
-
-            $menu .= $roles_selector ? "<li style=\"padding: 0 0.8em;\">$roles_selector</li>"
-                                     : '';
+                        $env{'course.' . $env{'request.course.id'} . '.num'}
+                );
+            $menu .= $switcher;
         } else {
+            if ($$menuitem[3] eq 'Syllabus' && $env{'request.course.id'}) {
+                my $url = $$menuitem[0];
+                $url =~ s{\[cdom\]/\[cnum\]}{$cdom/$cnum};
+                if (&Apache::lonnet::is_on_map($url)) {
+                    unless ($$menuitem[0] =~ /\?register=1/) {
+                        $$menuitem[0] .= '?register=1';
+                    }
+                } else {
+                    $$menuitem[0] =~ s{\?register=1}{};
+                }
+            }
             $menu .= &prep_menuitem(\@$menuitem);
         }
     }
@@ -443,22 +503,39 @@ sub secondary_menu {
     }
     $menu =~ s/\[uname\]/$$author{user}/g;
     $menu =~ s/\[udom\]/$$author{dom}/g;
+    if ($env{'request.course.id'}) {  
+        $menu =~ s/\[cnum\]/$cnum/g;
+        $menu =~ s/\[cdom\]/$cdom/g;
+    }
     if ($menu) {
         $menu = "<ul id=\"LC_secondary_menu\">$menu</ul>";
     }
+    if ($roleswitcher_form) {
+        $menu .= "\n$roleswitcher_js\n$roleswitcher_form";
+    }
     return $menu;
 }
 
 sub create_submenu {
-    my ($link,$target,$title,$submenu) = @_;
+    my ($link,$target,$title,$submenu,$translate) = @_;
     return unless (ref($submenu) eq 'ARRAY');
     my $disptarget;
     if ($target ne '') {
         $disptarget = ' target="'.$target.'"';
     }
+    my $name;
+    if ($title eq 'Personal') {
+        if ($env{'user.name'} && $env{'user.domain'}) {
+            $name = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
+        } else {
+            $name = &mt($title);
+        }
+    } else {
+        $name = &mt($title);
+    }
     my $menu = '<li class="LC_hoverable">'.
-               '<a href="'.$link.'"'.$disptarget.'>'. 
-               '<span class="LC_nobreak">'.&mt($title).
+               '<a href="'.$link.'"'.$disptarget.'>'.
+               '<span class="LC_nobreak">'.$name.
                '<span class="LC_fontsize_small" style="font-weight:normal;">'.
                ' &#9660;</span></span></a>'.
                '<ul>';
@@ -467,13 +544,24 @@ sub create_submenu {
     foreach my $item (@{$submenu}) {
         $count ++;
         if (ref($item) eq 'ARRAY') {
+            my $href = $item->[0];
+            if ($href =~ /(aboutme|rss\.html)$/) {
+                next unless (($env{'user.name'} ne '') && ($env{'user.domain'} ne ''));
+                $href =~ s/\[domain\]/$env{'user.domain'}/g;
+                $href =~ s/\[user\]/$env{'user.name'}/g;
+            }
             my $borderbot;
             if ($count == $numsub) {
                 $borderbot = 'border-bottom:1px solid black;';
             }
             $menu .= '<li style="margin:0;padding:0;'.
-                     $borderbot.'"><a href="'.$item->[0].'">'.
-                     &mt($item->[1]).'</a></li>';
+                     $borderbot.'"><a href="'.$href.'">';
+            if ($translate) {
+                $menu .= &mt($item->[1]);
+            } else {
+                $menu .= $item->[1];
+            }
+            $menu .= '</a></li>';
         }
     }
     $menu .= '</ul></li>';
@@ -577,8 +665,7 @@ sub innerregister {
                 }
                 my $trail;
                 if ($env{'form.folderpath'}) {
-                    my $editbutton =
-                        &prepare_functions($resurl,$forcereg,$group,undef,undef,1);
+                    &prepare_functions($resurl,$forcereg,$group,undef,undef,1);
                     ($trail) =
                         &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
                 } else {
@@ -590,6 +677,14 @@ sub innerregister {
                         &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
                 }
                 return $trail;
+            } elsif ($resurl =~ m{^\Q/uploaded$courseurl/portfolio/syllabus/}) {
+                &Apache::lonhtmlcommon::clear_breadcrumbs();
+                &prepare_functions('/public'.$courseurl."/syllabus",
+                                   $forcereg,$group,undef,undef,1);
+                $title = &mt('Syllabus File');
+                my ($trail) =
+                    &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
+                return $trail;
             }
             unless ($env{'request.state'} eq 'construct') {
                 &Apache::lonhtmlcommon::clear_breadcrumbs();
@@ -609,75 +704,89 @@ sub innerregister {
 # ============================ This is for URLs that actually can be registered
     if ( ($env{'request.noversionuri'}!~m{^/(res/)*adm/})
                        || ($forcereg)) {
-    my ($cdom,$cnum,%perms,$cfile,$switchserver,$home,$forceedit,
-        $forceview,$editbutton);
-    if (($resurl =~ m{^/adm/($match_domain)/($match_username)/aboutme$}) ||
-        ($env{'request.role'} !~/^(aa|ca|au)/)) {
-        $editbutton = &prepare_functions($resurl,$forcereg,$group);
-    }
-    if ($editbutton eq '') {
-        &clear(6,1);
-    }
+
+        my %swtext;
+        if ($noremote) {
+            %swtext = &get_inline_text();
+        } else {
+            %swtext = &get_rc_text();
+        }
+        my $hwkadd='';
+
+        my ($cdom,$cnum,%perms,$cfile,$switchserver,$home,$forceedit,
+            $forceview,$editbutton);
+        if (($resurl =~ m{^/adm/($match_domain)/($match_username)/aboutme$}) ||
+            ($env{'request.role'} !~/^(aa|ca|au)/)) {
+            if (($env{'environment.remote'} eq 'on') && ($env{'request.symb'})) {
+                &Apache::lonhtmlcommon::clear_breadcrumbs();
+            }
+            $editbutton = &prepare_functions($resurl,$forcereg,$group);
+        }
+        if ($editbutton eq '') {
+            $editbutton = &clear(6,1);
+        }
 
 #
 # This applies in course context
 #
-    if ($env{'request.course.id'}) {
-        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-        $perms{'mdc'} = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
-        my @privs;
-        if ($env{'request.symb'} ne '') {
-             if ($env{'request.filename'}=~/$LONCAPA::assess_re/) {
-                 push(@privs,('mgr','vgr'));
-             }
-             push(@privs,'opa');
-        }
-        foreach my $priv (@privs) {
-            $perms{$priv} = &Apache::lonnet::allowed($priv,$env{'request.course.id'});
-            if (!$perms{$priv} && $env{'request.course.sec'} ne '') {
-                $perms{$priv} =
-                    &Apache::lonnet::allowed($priv,"$env{'request.course.id'}/$env{'request.course.sec'}");
+        if ($env{'request.course.id'}) {
+            $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+            $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+            $perms{'mdc'} = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
+            my @privs;
+            if ($env{'request.symb'} ne '') {
+                if ($env{'request.filename'}=~/$LONCAPA::assess_re/) {
+                    push(@privs,('mgr','vgr'));
+                }
+                push(@privs,'opa');
+            }
+            foreach my $priv (@privs) {
+                $perms{$priv} = &Apache::lonnet::allowed($priv,$env{'request.course.id'});
+                if (!$perms{$priv} && $env{'request.course.sec'} ne '') {
+                    $perms{$priv} =
+                        &Apache::lonnet::allowed($priv,"$env{'request.course.id'}/$env{'request.course.sec'}");
+                }
             }
-        }
 #
 # Determine whether or not to show Grades and Submissions buttons
 #
-        if ($env{'request.symb'} ne '' &&
-            $env{'request.filename'}=~/$LONCAPA::assess_re/) {
-            if ($perms{'mgr'}) {
-                &switch('','',7,2,'pgrd.png','Content Grades','grades[_4]',
-                        "gocmd('/adm/grades','gradingmenu')",
-                        'Content Grades');
-            } elsif ($perms{'vgr'}) {
-                &switch('','',7,2,'subm.png','Content Submissions','missions[_1]',
-                        "gocmd('/adm/grades','submission')",
-                        'Content Submissions');
-             }
-        }
-        if (($env{'request.symb'} ne '') && ($perms{'opa'})) {
-            &switch('','',7,3,'pparm.png','Content Settings','parms[_2]',
-                    "gocmd('/adm/parmset','set')",
-                    'Content Settings');
-        }
+            if ($env{'request.symb'} ne '' &&
+                $env{'request.filename'}=~/$LONCAPA::assess_re/) {
+                if ($perms{'mgr'}) {
+                    $hwkadd.= &switch('','',7,2,'pgrd.png','Content Grades',
+                                      'grades[_4]',
+                                      "gocmd('/adm/grades','gradingmenu')",
+                                      'Content Grades');
+                } elsif ($perms{'vgr'}) {
+                    $hwkadd .= &switch('','',7,2,'subm.png','Content Submissions',
+                                       'missions[_1]',
+                                       "gocmd('/adm/grades','submission')",
+                                       'Content Submissions');
+                }
+            }
+            if (($env{'request.symb'} ne '') && ($perms{'opa'})) {
+                $hwkadd .= &switch('','',7,3,'pparm.png','Content Settings',
+                                   'parms[_2]',"gocmd('/adm/parmset','set')",
+                                   'Content Settings');
+            }
 # End grades/submissions check
 
 #
 # This applies to items inside a folder/page modifiable in the course.
 #
-        if (($env{'request.symb'}=~/^uploaded/) && ($perms{'mdc'})) {
-            my $text = 'Edit Folder';
-            if (($mapurl =~ /\.page$/) ||
-                ($env{'request.symb'}=~
-                     m{uploaded/$cdom/$cnum/default_\d+\.page$}))  {
-                $text = 'Edit Page';
-            }
-            &switch('','',7,4,'docs-22x22.png',$text,'parms[_2]',
-                    "gocmd('/adm/coursedocs','direct')",
-                    'Folder/Page Content');
-        }
+            if (($env{'request.symb'}=~/^uploaded/) && ($perms{'mdc'})) {
+                my $text = 'Edit Folder';
+                if (($mapurl =~ /\.page$/) ||
+                    ($env{'request.symb'}=~
+                         m{uploaded/$cdom/$cnum/default_\d+\.page$}))  {
+                    $text = 'Edit Page';
+                }
+                $hwkadd .= &switch('','',7,4,'docs-22x22.png',$text,'parms[_2]',
+                                   "gocmd('/adm/coursedocs','direct')",
+                                   'Folder/Page Content');
+            }
 # End modifiable folder/page container check
-    }
+        }
 # End course context
 
 # Prepare the rest of the buttons
@@ -712,12 +821,12 @@ ENDMENUITEMS
                     undef($menuitems);
                 }
             }
-                if (ref($bread_crumbs) eq 'ARRAY') {
-                    &Apache::lonhtmlcommon::clear_breadcrumbs();
-                    foreach my $crumb (@{$bread_crumbs}){
-                        &Apache::lonhtmlcommon::add_breadcrumb($crumb);
-                    }
+            if (ref($bread_crumbs) eq 'ARRAY') {
+                &Apache::lonhtmlcommon::clear_breadcrumbs();
+                foreach my $crumb (@{$bread_crumbs}){
+                     &Apache::lonhtmlcommon::add_breadcrumb($crumb);
                 }
+            }
         } elsif ( defined($env{'request.course.id'}) && 
 		 $env{'request.symb'} ne '' ) {
 #
@@ -1195,15 +1304,31 @@ sub get_editbutton {
             $icon = 'tolastloc.png';
             $label = 'Exit Editing';
         }
-        &switch('','',6,1,$icon,$label,'resource[_2]',
-                $jscall,"Edit this resource");
-        return 1;
+        my $infunc = 1;
+        my $clearbutton;
+        if ($env{'environment.remote'} eq 'on') {
+            if ($cfile =~ m{^/priv/}) {
+                undef($infunc);
+                $label = 'edit';
+            } else {
+                $clearbutton = 1;
+            }
+        }
+        my $editor = &switch('','',6,1,$icon,$label,'resource[_2]',
+                             $jscall,"Edit this resource",'','',$infunc);
+        if ($infunc) {
+            return 1;
+        } elsif ($clearbutton) {
+            return &clear(6,1);
+        } else {
+            return $editor;
+        }
     }
     return;
 }
 
 sub prepare_functions {
-    my ($resurl,$forcereg,$group,$bread_crumbs,$advtools,$docscrumbs) = @_;
+    my ($resurl,$forcereg,$group,$bread_crumbs,$advtools,$docscrumbs,$forbodytag) = @_;
     unless ($env{'request.registered'}) {
         undef(@inlineremote);
     }
@@ -1221,7 +1346,6 @@ sub prepare_functions {
 # Determine whether or not to display 'Edit' icon/button
 #
     if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
-    if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
         my $file=&Apache::lonnet::declutter($env{'request.filename'});
         ($cfile,$home,$switchserver,$forceedit,$forceview) =
             &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,
@@ -1249,24 +1373,18 @@ sub prepare_functions {
 #
 # This applies in course context
 #
-        if (($resurl eq "/public/$cdom/$cnum/syllabus") && ($perms{'mdc'})) {
-            if ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ /\w/) {
-                &switch('','',6,1,'pcstr.png','Edit',
-                        'resource[_2]',
-                        "go('/adm/courseprefs?phase=display&actions=courseinfo')",
-                        'Edit this resource');
-                $editbutton = 1;
+        if (($perms{'mdc'}) &&
+            (($resurl eq "/public/$cdom/$cnum/syllabus") ||
+            ($resurl =~ m{^/uploaded/$cdom/$cnum/portfolio/syllabus/}))) {
+            $cfile = $resurl;
+            $home = &Apache::lonnet::homeserver($cnum,$cdom);
+            if ($env{'form.forceedit'}) {
+                $forceview = 1;
             } else {
-                $cfile = $resurl;
-                $home = &Apache::lonnet::homeserver($cnum,$cdom);
-                if ($env{'form.forceedit'}) {
-                    $forceview = 1;
-                } else {
-                    $forceedit = 1;
-                }
-                $editbutton = &get_editbutton($cfile,$home,$switchserver,
-                                              $forceedit,$forceview,$forcereg);
+                $forceedit = 1;
             }
+            $editbutton = &get_editbutton($cfile,$home,$switchserver,
+                                          $forceedit,$forceview,$forcereg);
         } elsif (($resurl eq '/adm/extresedit') &&
                  (($env{'form.symb'}) || ($env{'form.folderpath'}))) {
             ($cfile,$home,$switchserver,$forceedit,$forceview) =
@@ -1277,7 +1395,15 @@ sub prepare_functions {
                                               $forceedit,$forceview,$forcereg,
                                               $env{'form.title'},$env{'form.suppurl'});
             }
-        } elsif ($resurl !~ m{^adm/($match_domain)/($match_username)/aboutme$}) {
+        } elsif (($resurl =~ m{^/?adm/viewclasslist$}) &&
+                 (&Apache::lonnet::allowed('opa',$env{'request.course.id'}))) {
+            ($cfile,$home,$switchserver,$forceedit,$forceview) =
+            &Apache::lonnet::can_edit_resource($resurl,$cnum,$cdom,$resurl,
+                                               $env{'form.symb'});
+            $editbutton = &get_editbutton($cfile,$home,$switchserver,
+                                          $forceedit,$forceview,$forcereg);
+        } elsif (($resurl !~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) &&
+                 ($resurl ne '/cgi-bin/printout.pl')) {
             if ($env{'request.filename'}) {
                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
                 ($cfile,$home,$switchserver,$forceedit,$forceview) =
@@ -1294,13 +1420,13 @@ sub prepare_functions {
 
     if ($env{'request.course.id'}) {
 # This applies to about me page for users in a course
-        if ($resurl =~ m{^adm/($match_domain)/($match_username)/aboutme$}) {
+        if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
             my ($sdom,$sname) = ($1,$2);
             unless (&Apache::lonnet::is_course($sdom,$sname)) {
                 &switch('','',6,4,'mail-message-new-22x22.png','Message to user',
                         '',
-                        "go('/adm/email?compose=individual&recname=$sname&recdom=$sdom')",
-                            'Send message to specific user');
+                        "go('/adm/email?compose=individual&amp;recname=$sname&amp;recdom=$sdom')",
+                            'Send message to specific user','','',1);
             }
             my $hideprivileged = 1;
             if (&Apache::lonnet::in_course($sdom,$sname,$cdom,$cnum,undef,
@@ -1316,29 +1442,21 @@ sub prepare_functions {
                     &switch('','',6,5,'trck-22x22.png','Activity',
                             '',
                             "go('/adm/trackstudent?selected_student=$sname:$sdom')",
-                            'View recent activity by this person');
+                            'View recent activity by this person','','',1);
                 }
                 if ($perms{'vgr'}) {
                     &switch('','',6,6,'rsrv-22x22.png','Reservations',
                             '',
-                            "go('/adm/slotrequest?command=showresv&origin=aboutme&uname=$sname&udom=$sdom')",
-                            'Slot reservation history');
+                            "go('/adm/slotrequest?command=showresv&amp;origin=aboutme&amp;uname=$sname&amp;udom=$sdom')",
+                            'Slot reservation history','','',1);
                 }
                 if ($perms{'srm'}) {
                     &switch('','',6,7,'contact-new-22x22.png','Records',
                             '',
-                            "go('/adm/email?recordftf=retrieve&recname=$sname&recdom=$sdom')",
-                            'Add records');
+                            "go('/adm/email?recordftf=retrieve&amp;recname=$sname&amp;recdom=$sdom')",
+                            'Add records','','',1);
                 }
             }
-        } elsif ($resurl =~ m{^/?adm/viewclasslist}) {
-# This applies to viewclasslist page for users in a course
-            if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
-                &switch('','',6,4,'pparm.png','Settings',
-                        '',
-                        "go('/adm/courseprefs?actions=classlists&phase=display')",
-                        'Student-viewable classlist options');
-            }
         }
         if (($env{'form.folderpath'} =~ /^supplemental/) &&
             (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) &&
@@ -1351,8 +1469,8 @@ sub prepare_functions {
             if ((@folders > 2) || ($resurl ne '/adm/supplemental')) {
                 my $esc_path=&escape(&HTML::Entities::encode(&escape($env{'form.folderpath'}),'<>&"'));
                 &switch('','',7,4,'docs-22x22.png','Edit Folder','parms[_2]',
-                        "location.href='/adm/coursedocs?command=direct&forcesupplement=1&supppath=$esc_path'",
-                        'Folder/Page Content');
+                        "location.href='/adm/coursedocs?command=direct&amp;forcesupplement=1&amp;supppath=$esc_path'",
+                        'Folder/Page Content','','',1);
             }
         }
     }
@@ -1362,7 +1480,7 @@ sub prepare_functions {
         &Apache::lonhtmlcommon::clear_breadcrumb_tools();
         &advtools_crumbs(@inlineremote);
         return $editbutton;
-    } elsif ($env{'request.registered'}) {
+    } elsif (($env{'request.registered'}) && (!ref($forbodytag))) {
         return $editbutton;
     } else {
         if (ref($bread_crumbs) eq 'ARRAY') {
@@ -1375,9 +1493,13 @@ sub prepare_functions {
         } elsif (@inlineremote > 0) {
             &Apache::lonhtmlcommon::clear_breadcrumb_tools();
             &advtools_crumbs(@inlineremote);
-            return   &Apache::lonhtmlcommon::scripttag('', 'start')
-                   . &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0)
-                   . &Apache::lonhtmlcommon::scripttag('', 'end');
+            if (ref($forbodytag)) {
+                $$forbodytag =
+                    &Apache::lonhtmlcommon::scripttag('', 'start')
+                   .&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0)
+                   .&Apache::lonhtmlcommon::scripttag('', 'end');
+            }
+            return;
         }
     }
 }
@@ -1392,7 +1514,7 @@ sub advtools_crumbs {
             'advtools', @funcs[61,71,72,73,74,92]);
     } elsif ($env{'request.noversionuri'} eq '/adm/viewclasslist') {
         &Apache::lonhtmlcommon::add_breadcrumb_tool(
-            'advtools', @funcs[64]);
+            'advtools', $funcs[61]);
     }
 }
 
@@ -1414,7 +1536,7 @@ sub clear {
 # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
 
 sub switch {
-    my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_;
+    my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak,$infunc)=@_;
     $act=~s/\$uname/$uname/g;
     $act=~s/\$udom/$udom/g;
     $top=&mt($top);
@@ -1423,7 +1545,7 @@ sub switch {
     my $idx=10*$row+$col;
     $category_members{$cat}.=':'.$idx;
 
-    if ($env{'environment.remote'} eq 'on') {
+    if (($env{'environment.remote'} eq 'on') && (!$infunc)) {
         if (($row<1) || ($row>13)) { return ''; }
         if ($env{'request.state'} eq 'construct') {
             my $text = $top.' '.$bot;
@@ -2069,7 +2191,7 @@ sub roles_selector {
     my $now = time;
     my (%courseroles,%seccount,%courseprivs);
     my $is_cc;
-    my $role_selector;
+    my ($js,$form,$switcher,$switchtext);
     my $ccrole;
     if ($crstype eq 'Community') {
         $ccrole = 'co';
@@ -2157,42 +2279,66 @@ sub roles_selector {
             }
         }
     }
-    my $switchtext;
-    if ($crstype eq 'Community') {
-        $switchtext = &mt('Switch community role to...')
-    } else {
-        $switchtext = &mt('Switch course role to...')
-    }
+    $switchtext = 'Switch role'; # do not translate here
     my @roles_order = ($ccrole,'in','ta','ep','ad','st');
-    if (keys(%courseroles) > 1) {
-        $role_selector = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles,\%courseprivs,$priv);
-        $role_selector .= '<form name="rolechooser" method="post" action="/adm/roles">
-                          <select name="switchrole" onchange="javascript:adhocRole('."'switchrole'".')">';
-        $role_selector .= '<option value="">'.$switchtext.'</option>';
+    my $numdiffsec;
+    if (keys(%seccount) == 1) {
+        foreach my $key (keys(%seccount)) {
+            $numdiffsec = $seccount{$key};
+        }
+    }
+    if ((keys(%seccount) > 1) || ($numdiffsec > 1)) {
+        my @submenu;
+        $js = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles,\%courseprivs,$priv);
+        $form = 
+            '<form name="rolechooser" method="post" action="/adm/roles">'."\n".
+            '  <input type="hidden" name="destinationurl" value="'.
+            &HTML::Entities::encode($destinationurl).'" />'."\n".
+            '  <input type="hidden" name="gotorole" value="1" />'."\n".
+            '  <input type="hidden" name="selectrole" value="" />'."\n".
+            '  <input type="hidden" name="switchrole" value="" />'."\n";
+        if ($destsymb ne '') {
+            $form .= '   <input type="hidden" name="destsymb" value="'.
+                         &HTML::Entities::encode($destsymb).'" />'."\n";
+        }
+        $form .= '</form>'."\n";
         foreach my $role (@roles_order) {
+            my $include;
             if (defined($courseroles{$role})) {
-                $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role,$crstype).'</option>'; 
+                if ($env{'request.role'} =~ m{^\Q$role\E}) {
+                    if ($seccount{$role} > 1) {
+                        $include = 1;
+                    }
+                } else {
+                    $include = 1;
+                }
+            }
+            if ($include) {
+                push(@submenu,['javascript:adhocRole('."'$role'".')',
+                               &Apache::lonnet::plaintext($role,$crstype)]);
             }
         }
         foreach my $role (sort(keys(%courseroles))) {
             if ($role =~ /^cr/) {
-                $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>'; 
+                my $include;
+                if ($env{'request.role'} =~ m{^\Q$role\E}) {
+                    if ($seccount{$role} > 1) {
+                        $include = 1;
+                    }
+                } else {
+                    $include = 1;
+                }
+                if ($include) {
+                    push(@submenu,['javascript:adhocRole('."'$role'".')',
+                                   &Apache::lonnet::plaintext($role)]);
+                }
             }
         }
-        $role_selector .= '</select>'."\n";
-        if ($destsymb ne '') {
-            $role_selector .= '<input type="hidden" name="destsymb" value="'.
-                              &HTML::Entities::encode($destsymb).'" />'."\n";
+        if (@submenu > 0) {
+            $switcher = &create_submenu('','',$switchtext,\@submenu);
         }
-        $role_selector .=
-               '<input type="hidden" name="destinationurl" value="'.
-               &HTML::Entities::encode($destinationurl).'" />'."\n".
-               '<input type="hidden" name="gotorole" value="1" />'."\n".
-               '<input type="hidden" name="selectrole" value="" />'."\n".
-               '<input type="hidden" name="switch" value="1" />'."\n".
-               '</form>';
     }
-    return $role_selector;
+    return ($js,$form,$switcher);
 }
 
 sub get_all_courseroles {
@@ -2255,6 +2401,7 @@ sub get_all_courseroles {
         push(@{$courseroles->{'st'}},keys(%sections_count));
         $seccount->{'st'} = scalar(keys(%sections_count));
     }
+    $seccount->{'st'} ++; # Increment for a section-less student role.
     my $rolehash = {
                      'roles'    => $courseroles,
                      'seccount' => $seccount,
@@ -2331,9 +2478,8 @@ sub jump_to_role {
     return <<"END";
 <script type="text/javascript">
 //<![CDATA[
-function adhocRole(roleitem) {
+function adhocRole(newrole) {
     $js
-    var newrole =  document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value;
     if (newrole == '') {
         return;
     } 
@@ -2350,7 +2496,6 @@ function adhocRole(roleitem) {
                 if (confirm("$lt{'role'}\\n$lt{'swit'}")) {
                     document.rolechooser.destinationurl.value = '/adm/menu';
                 } else {
-                    document.rolechooser.elements[roleitem].selectedIndex = 0;
                     return;
                 }
             }
@@ -2393,14 +2538,13 @@ function adhocRole(roleitem) {
         return;
     }
     if (fullrole == "$env{'request.role'}") {
-        document.rolechooser.elements[roleitem].selectedIndex = 0;
         return;
     }
     itemid = retrieveIndex('gotorole');
     if (itemid != -1) {
         document.rolechooser.elements[itemid].name = fullrole;
     }
-    document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value = fullrole;
+    document.rolechooser.switchrole.value = fullrole;
     document.rolechooser.selectrole.value = '1';
     document.rolechooser.submit();
     return;
@@ -2463,7 +2607,6 @@ sub countdown_timer {
         }
         my $duedate = &Apache::lonnet::EXT("resource.0.duedate");
         my @interval=&Apache::lonnet::EXT("resource.0.interval");
-        my $hastimeleft;
         if (@interval > 1) {
             my $first_access=&Apache::lonnet::get_first_access($interval[1]);
             if ($first_access > 0) {
@@ -2521,17 +2664,17 @@ BEGIN {
                         $category_positions{$entries[2]}=$entries[1];
                         $category_names{$entries[2]}=$entries[3];
                     } elsif ($configline=~/^prim\:/) {
-                        my @entries = (split(/\:/, $configline))[1..5];
-                        push @primary_menu, \@entries;
+                        my @entries = (split(/\:/, $configline))[1..6];
+                        push(@primary_menu,\@entries);
                     } elsif ($configline=~/^primsub\:/) {
                         my ($parent,@entries) = (split(/\:/, $configline))[1..4];
-                        push (@{$primary_submenu{$parent}},\@entries);
+                        push(@{$primary_submenu{$parent}},\@entries);
                     } elsif ($configline=~/^scnd\:/) {
                         my @entries = (split(/\:/, $configline))[1..5];
-                        push @secondary_menu, \@entries; 
+                        push(@secondary_menu,\@entries);
                     } elsif ($configline=~/^scndsub\:/) {
                         my ($parent,@entries) = (split(/\:/, $configline))[1..4];
-                        push (@{$secondary_submenu{$parent}},\@entries);
+                        push(@{$secondary_submenu{$parent}},\@entries);
                     } elsif ($configline) {
                         push(@desklines,$configline);
                     }