--- loncom/interface/lonmenu.pm	2022/05/28 16:25:45	1.520
+++ loncom/interface/lonmenu.pm	2025/02/21 04:29:26	1.561
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.520 2022/05/28 16:25:45 raeburn Exp $
+# $Id: lonmenu.pm,v 1.561 2025/02/21 04:29:26 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -99,7 +99,7 @@ It gets filled in the BEGIN block of thi
 
 =over
 
-=item prep_menuitems(\@menuitem,$ltitarget,$deeplinktarget,$listclass,$linkattr)
+=item prep_menuitems(\@menuitem,$target,$listclass,$linkattr)
 
 This routine wraps a menuitem in proper HTML. It is used by primary_menu() and 
 secondary_menu().
@@ -210,7 +210,6 @@ use Apache::lonenc();
 use Apache::lonlocal;
 use Apache::lonmsg();
 use LONCAPA qw(:DEFAULT :match);
-use LONCAPA::ltiutils;
 use HTML::Entities();
 use Apache::lonwishlist();
 
@@ -220,9 +219,9 @@ use vars qw(@desklines %category_names %
 my @inlineremote;
 
 sub prep_menuitem {
-    my ($menuitem,$ltitarget,$deeplinktarget,$listclass,$linkattr) = @_;
+    my ($menuitem,$target,$listclass,$linkattr) = @_;
     return '' unless(ref($menuitem) eq 'ARRAY');
-    my $link;
+    my ($link,$targetattr);
     if ($$menuitem[1]) { # graphical Link
         $link = "<img class=\"LC_noBorder\""
               . " src=\"" . &Apache::loncommon::lonhttpdurl($$menuitem[1]) . "\"" 
@@ -230,16 +229,13 @@ sub prep_menuitem {
     } else {             # textual Link
         $link = &mt($$menuitem[3]);
     }
-    my $target = ' target="_top"';
-    if ($ltitarget eq 'iframe') {
-        $target ='';
-    } elsif ($deeplinktarget eq '_self') {
-        $target = ' target="'.$deeplinktarget.'"';
+    if ($target ne '') {
+        $targetattr = ' target="'.$target.'"';
     }
     return ($listclass?'<li class="'.$listclass.'">':'<li>').'<a'
            # highlighting for new messages
            . ( $$menuitem[4] eq 'newmsg' ? ' class="LC_new_message"' : '') 
-           . qq| href="$$menuitem[0]"$target $linkattr>$link</a></li>|;
+           . qq| href="$$menuitem[0]"$targetattr $linkattr>$link</a></li>|;
 }
 
 # primary_menu() evaluates @primary_menu and returns a two item array,
@@ -249,7 +245,7 @@ sub prep_menuitem {
 # @primary_menu is filled within the BEGIN block of this module with 
 # entries from mydesk.tab
 sub primary_menu {
-    my ($crstype,$ltimenu,$menucoll,$menuref,$links_disabled) = @_;
+    my ($crstype,$ltimenu,$menucoll,$menuref,$links_disabled,$links_target,$collapsible) = @_;
     my (%menu,%ltiexc,%menuopts);
     # each element of @primary contains following array:
     # (link url, icon path, alt text, link text, condition, position)
@@ -267,10 +263,9 @@ sub primary_menu {
         my %roles_in_env;
         $rolecount = &Apache::lonroles::roles_from_env(\%roles_in_env,$update);
     }
-    my ($lti,$ltitarget,$deeplinktarget);
+    my $lti;
     if ($env{'request.lti.login'}) {
         $lti = 1;
-        $ltitarget = $env{'request.lti.target'};
         if (ref($ltimenu) eq 'HASH') {
             foreach my $item ('fullname','logout') {
                 unless ($ltimenu->{$item}) {
@@ -279,8 +274,26 @@ sub primary_menu {
             }
         }
     }
-    if ($env{'request.deeplink.login'}) {
-        $deeplinktarget = $env{'request.deeplink.target'};
+    my ($listclass,$linkattr,$target);
+    if ($links_disabled) {
+        $listclass = 'LCisDisabled';
+        $linkattr = 'aria-disabled="true"';
+    }
+    if ($links_target ne '') {
+        $target = $links_target;
+    } else {
+        my ($ltitarget,$deeplinktarget);
+        if ($env{'request.lti.login'}) {
+             $ltitarget = $env{'request.lti.target'};
+        }
+        if ($env{'request.deeplink.login'}) {
+            $deeplinktarget = $env{'request.deeplink.target'};
+        }
+        if (($ltitarget eq 'iframe') || ($deeplinktarget eq '_self')) {
+            $target = '_self';
+        } else {
+            $target = '_top';
+        }
     }
     if (($menucoll) && (ref($menuref) eq 'HASH')) {
         %menuopts = %{$menuref};
@@ -337,18 +350,10 @@ sub primary_menu {
                 }
             }
         }
-        my ($listclass,$linkattr);
-        if ($links_disabled) {
-            $listclass = 'LCisDisabled';
-            $linkattr = 'aria-disabled="true"';
-        }
         if (defined($primary_submenu{$title})) {
-            my ($link,$target);
+            my $link;
             if ($menuitem->[0] ne '') {
                 $link = $menuitem->[0];
-                unless (($ltitarget eq 'iframe') || ($deeplinktarget eq '_self')) {
-                    $target = '_top';
-                }
             } else {
                 $link = '#';
             }
@@ -361,6 +366,19 @@ sub primary_menu {
                              ($item->[2] eq 'blog')) &&
                              (!&Apache::lonnet::usertools_access('','',$item->[2],
                                                            undef,'tools')));
+                    if (($item->[2] eq 'browsepub') && ($item->[0] eq '/res/')) {
+                        if ($env{'request.role'} =~ /^au\./) {
+                            $item->[0] .= $env{'request.role.domain'}.'/?launch=1';
+                        } elsif ($env{'request.role'} =~ m{^ca\./($match_domain)/($match_username)$}) {
+                            $item->[0] .= $1.'/'.$2.'/?launch=1';
+                        } elsif (&Apache::lonnet::allowed('bre',$env{'user.domain'})) {
+                            $item->[0] .= $env{'user.domain'}.'/?launch=1';
+                        } elsif (&Apache::lonnet::allowed('bro','/res/')) {
+                            $item->[0] .= '?launch=1';
+                        } else {
+                            next;
+                        }
+                    }
                     if ($env{'request.course.id'} && $menucoll) {
                         next if ($item->[3]) && (!$menuopts{$item->[3]});
                     }
@@ -396,7 +414,7 @@ sub primary_menu {
                                                                   'helpdeskmail',
                                                                   $defdom,$origmail);
                 if ($to ne '') {
-                    $menu{$position} .= &prep_menuitem($menuitem,$ltitarget,$deeplinktarget,$listclass,$linkattr); 
+                    $menu{$position} .= &prep_menuitem($menuitem,$target,$listclass,$linkattr); 
                 }
             } else {
                 $menu{$position} .= ($listclass?'<li class="'.$listclass.'">':'<li>').
@@ -409,13 +427,17 @@ sub primary_menu {
                     $$menuitem[0] = '/adm/login';
                 }
             }
-            $menu{$position} .= prep_menuitem($menuitem,$ltitarget,$deeplinktarget,$listclass,$linkattr);
+            $menu{$position} .= prep_menuitem($menuitem,$target,$listclass,$linkattr);
         } else {
-            $menu{$position} .= prep_menuitem($menuitem,$ltitarget,$deeplinktarget,$listclass,$linkattr);
+            $menu{$position} .= prep_menuitem($menuitem,$target,$listclass,$linkattr);
         }
     }
     my @output = ('','');
     if ($menu{'left'} ne '') {
+        if ($collapsible) {
+            $menu{'left'} = ($listclass?'<li class="'.$listclass.'">':'<li>').
+                            '&nbsp;</li>'.$menu{'left'};
+        }
         $output[0] = "<ol class=\"LC_primary_menu LC_floatleft\">$menu{'left'}</ol>";
     }
     if ($menu{'right'} ne '') {
@@ -431,10 +453,10 @@ sub primary_menu {
 #
 #TODO this should probably be moved somewhere more central
 #since it can be used by different parts of the system
-sub getauthor{
+sub getauthor {
     return unless $env{'request.role'}=~/^(ca|aa|au)/; #nothing to do if user isn't some kind of author
 
-                        #co- or assistent author?
+                        #co- or assistant author?
     my ($dom, $user) = ($env{'request.role'} =~ /^(?:ca|aa)\.\/($match_domain)\/($match_username)$/)
                        ? ($1, $2) #domain, username of the parent author
                        : @env{ ('request.role.domain', 'user.name') }; #own domain, username
@@ -450,7 +472,8 @@ sub getauthor{
 }
 
 sub secondary_menu {
-    my ($httphost,$ltiscope,$ltimenu,$noprimary,$menucoll,$menuref,$links_disabled) = @_;
+    my ($httphost,$ltiscope,$ltimenu,$noprimary,$menucoll,$menuref,
+        $links_disabled,$links_target) = @_;
     my $menu;
 
     my $crstype = &Apache::loncommon::course_type();
@@ -474,6 +497,15 @@ sub secondary_menu {
     my $canplc        = &Apache::lonnet::allowed('plc', $crs_sec);
     my $author        = &getauthor();
 
+    my ($is_author,$is_coauthor);
+    if ($author) {
+        if ($env{'request.role'} =~ /^au\./) {
+            $is_author = 1;
+        } elsif ($env{'request.role'} =~ /^ca\./) {
+            $is_coauthor = 1;
+        }
+    }
+
     my ($cdom,$cnum,$showsyllabus,$showfeeds,$showresv,$grouptools,
         $lti,$ltimapres,%ltiexc,%menuopts);
     $grouptools = 0;
@@ -527,38 +559,66 @@ sub secondary_menu {
         %menuopts = %{$menuref};
     }
 
-    my ($listclass,$linkattr);
+    my ($listclass,$linkattr,$target);
     if ($links_disabled) {
         $listclass = 'LCisDisabled';
         $linkattr = 'aria-disabled="true"';
     }
 
-    my ($canmodifycoauthor); 
+    my ($canlistcoauthors,$canmodifycoauthor);
     if ($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))) {
             $canmodifycoauthor = 1;
         }
+    } elsif ($env{'request.role'} =~ m{^(aa|ca)\./($match_domain/$match_username)$}) {
+        my ($role,$extent) = ($1,$2);
+        if (&Apache::lonnet::allowed('vca',$extent)) {
+            if ($env{"environment.internal.manager./$extent"}) {
+                $canmodifycoauthor = 1;
+            } else {
+                $canlistcoauthors = 1;
+            }
+        } elsif (&Apache::lonnet::allowed('vaa',$extent)) {
+            $canlistcoauthors = 1;
+        }
     }
-
-    my ($roleswitcher_js,$roleswitcher_form,$ltitarget,$deeplinktarget);
-    if ($env{'request.lti.login'}) {
-        $ltitarget = $env{'request.lti.target'};
-    }
-    if ($env{'request.deeplink.login'}) {
-        $deeplinktarget = $env{'request.deeplink.target'};
+    my ($roleswitcher_js,$roleswitcher_form);
+    if ($links_target ne '') {
+        $target = $links_target;
+    } else {
+        my ($ltitarget,$deeplinktarget);
+        if ($env{'request.lti.login'}) {
+            $ltitarget = $env{'request.lti.target'};
+        }
+        if ($env{'request.deeplink.login'}) {
+            $deeplinktarget = $env{'request.deeplink.target'};
+        }
+        if (($ltitarget eq 'iframe') || ($deeplinktarget eq '_self')) {
+            $target = '_self';
+        } else {
+            $target = '_top';
+        }
     }
 
     foreach my $menuitem (@secondary_menu) {
         # evaluate conditions 
         next if    ref($menuitem)  ne 'ARRAY';
         next if (($crstype eq 'Placement') && ($$menuitem[3] ne 'Roles') && (!$env{'request.role.adv'}));
-        next if    $$menuitem[4]   ne 'always'
-                && ($$menuitem[4]   ne 'author' && $$menuitem[4] ne 'cca')
+        next if    $$menuitem[4]  ne 'always'
+                && $$menuitem[4]  ne 'coauthor'
+                && $$menuitem[4]  ne 'author'
+                && $$menuitem[4]  ne 'authorspace'
+                && $$menuitem[4]  ne 'vca'
+                && $$menuitem[4]  ne 'mca'
                 && !$env{'request.course.id'};
         next if    $$menuitem[4]   =~ /^crsedit/
                 && (!$canedit && !$canvieweditor);
+        next if    $$menuitem[4]  eq 'crseditCourse'
+                && ($crstype eq 'Community');
+        next if    $$menuitem[4]  eq 'crseditCommunity'
+                && ($crstype ne 'Community');
         next if    $$menuitem[4]  eq 'nvgr'
                 && ($canvgr || $ltiexc{'grades'});
         next if    $$menuitem[4]  eq 'vgr'
@@ -583,9 +643,17 @@ sub secondary_menu {
                 && !$showfeeds;
         next if     $$menuitem[4]  eq 'plc'
                 && !$canplc;
-        next if    $$menuitem[4]    eq 'author'
+        next if    $$menuitem[4]   eq 'authorspace'
                 && !$author;
-        next if    $$menuitem[4]    eq 'cca'
+        next if    $$menuitem[4]   eq 'author'
+                && !$is_author;
+        next if    $$menuitem[4]   eq 'coauthor'
+                && !$is_coauthor;
+        next if    $$menuitem[4]    eq 'vca'
+                && (!$canlistcoauthors || $canmodifycoauthor);
+        next if    $$menuitem[4]    eq 'vaa'
+                && (!$canlistcoauthors || $canmodifycoauthor);
+        next if    $$menuitem[4]    eq 'mca'
                 && !$canmodifycoauthor;
         next if    $$menuitem[4]    eq 'notltimapres'
                 && $ltimapres;
@@ -603,12 +671,9 @@ sub secondary_menu {
             }
         }
         if (defined($secondary_submenu{$title})) {
-            my ($link,$target);
+            my $link;
             if ($menuitem->[0] ne '') {
                 $link = $menuitem->[0];
-                unless (($ltitarget eq 'iframe') || ($deeplinktarget eq '_self')) {
-                    $target = '_top';
-                }
             } else {
                 $link = '#';
             }
@@ -624,8 +689,8 @@ sub secondary_menu {
                         next if ($item->[2] eq 'vcg' && !$canviewgrps);
                         next if ($item->[2] eq 'crsedit' && !$canedit && !$canvieweditor);
                         next if ($item->[2] eq 'params' && !$canmodpara && !$canviewpara);
-                        next if ($item->[2] eq 'author' && !$author);
-                        next if ($item->[2] eq 'cca' && !$canmodifycoauthor);
+                        next if ($item->[2] eq 'author' && !$is_author);
+                        next if ($item->[2] eq 'vca' && !$canlistcoauthors);
                         next if ($item->[2] eq 'lti' && !$lti);
                         if ($item->[2] =~ /^lti(portfolio|wishlist|blog)$/) {
                             my $tool = $1;
@@ -657,7 +722,7 @@ sub secondary_menu {
                 &roles_selector(
                     $env{'course.' . $env{'request.course.id'} . '.domain'},
                     $env{'course.' . $env{'request.course.id'} . '.num'},
-                    $httphost,$menucoll,$menuref
+                    $httphost,$target,$menucoll,$menuref
                 );
             if (($$menuitem[5]) && (!$menuopts{$$menuitem[5]})) {
                 next unless ($has_opa_priv);
@@ -691,7 +756,7 @@ sub secondary_menu {
                 }
                 $$menuitem[0] = &HTML::Entities::encode($$menuitem[0],'&<>"');
             }
-            $menu .= &prep_menuitem(\@$menuitem,$ltitarget,$deeplinktarget,$listclass,$linkattr);
+            $menu .= &prep_menuitem(\@$menuitem,$target,$listclass,$linkattr);
         }
     }
     if ($menu =~ /\[url\].*\[symb\]/) {
@@ -711,6 +776,20 @@ sub secondary_menu {
         }
         $menu =~ s/\[url\]/$escurl/g;
         $menu =~ s/\[symb\]/$escsymb/g;
+    } elsif (($menu =~ m{/adm/preferences\?}) && ($menu =~ /\[returnurl\]/)) {
+        my $returnurl = $ENV{'REQUEST_URI'};
+        if ($ENV{'REQUEST_URI'} =~ m{/adm/preferences\?action=authorsettings\&returnurl=([^\&]+)$}) {
+            $returnurl = $1;
+        }
+        if (($returnurl =~ m{^/adm/createuser($|\?action=)}) ||
+            ($returnurl =~ m{^/priv/$match_domain/$match_username}) ||
+            ($returnurl =~ m{^/res(/?$|/$match_domain/$match_username)})) {
+            $returnurl =~ s{\?.*$}{};
+            $returnurl = '&amp;returnurl='.&HTML::Entities::encode($returnurl,'"<>&\'');
+        } else {
+            undef($returnurl);
+        }
+        $menu =~ s/\[returnurl\]/$returnurl/;
     }
     $menu =~ s/\[uname\]/$$author{user}/g;
     $menu =~ s/\[udom\]/$$author{dom}/g;
@@ -731,14 +810,14 @@ sub secondary_menu {
 sub create_submenu {
     my ($link,$target,$title,$submenu,$translate,$addclass,$listclass,$linkattr) = @_;
     return unless (ref($submenu) eq 'ARRAY');
-    my $disptarget;
-    if ($target ne '') {
-        $disptarget = ' target="'.$target.'"';
+    my $targetattr;
+    if (($target ne '') && ($link ne '#')) {
+        $targetattr = ' target="'.$target.'"';
     }
     my $menu = '<li class="LC_hoverable '.$addclass.'">'.
-               '<a href="'.$link.'"'.$disptarget.'>'.
+               '<a href="'.$link.'"'.$targetattr.'>'.
                '<span class="LC_nobreak">'.$title.
-               '<span class="LC_fontsize_small" style="font-weight:normal;">'.
+               '<span class="LC_fontsize_medium" style="font-weight:normal;">'.
                ' &#9660;</span></span></a>'.
                '<ul>';
 
@@ -813,16 +892,17 @@ sub build_submenu {
                     }
                     $href =~ s/\[returnurl\]/$returnurl/;
                 }
+                my $targetattr;
                 unless (($href eq '') || ($href =~ /^\#/)) {
-                    if ($target eq '_top') {
-                        $target = ' target="_top"';
+                    if ($target ne '') {
+                        $targetattr = ' target="'.$target.'"';
                     }
                 }
 
                 $menu .= '<li ';
                 $menu .= ($listclass?'class="'.$listclass.'" ':'');
                 $menu .= 'style="margin:0;padding:0;'. $bordertop . $borderbot .'">';
-                $menu .= '<a href="'.$href.'"'.$target.' '.$linkattr.'>' .  $title . '</a>';
+                $menu .= '<a href="'.$href.'"'.$targetattr.' '.$linkattr.'>' .  $title . '</a>';
                 $menu .= '</li>';
             }
         }
@@ -831,9 +911,10 @@ sub build_submenu {
 }
 
 sub innerregister {
-    my ($forcereg,$bread_crumbs,$group,$pagebuttonshide,$hostname,$ltiscope,$ltiuri) = @_;
+    my ($forcereg,$bread_crumbs,$group,$pagebuttonshide,$hostname,
+        $ltiscope,$ltiuri,$showncrumbsref) = @_;
     my $const_space = ($env{'request.state'} eq 'construct');
-    my $is_const_dir = 0;
+    my $in_daxe = 0;
 
     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
 
@@ -872,10 +953,7 @@ sub innerregister {
                     }
                 }
             }
-            unless (($forcereg) &&
-                    ($env{'request.noversionuri'} eq '/adm/navmaps') &&
-                    ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'}) ||
-                    (($crstype eq 'Placement') && (!$env{'request.role.adv'})) ||
+            unless ((($crstype eq 'Placement') && (!$env{'request.role.adv'})) ||
                     ($ltiscope eq 'map') || ($ltiscope eq 'resource')) {
                 @crumbs = ({text  => $crstype.' Contents', 
                             href  => "Javascript:gopost('/adm/navmaps','')"});
@@ -922,27 +1000,51 @@ sub innerregister {
                 if ($env{'form.title'}) {
                     $title = $env{'form.title'};
                 }
-                my $trail;
+                my ($trail,$cnum,$cdom);
+                if ($env{'form.folderpath'}) {
+                    $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                    $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+                    &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
+                }
                 if ($env{'form.folderpath'}) {
                     &prepare_functions($resurl,$forcereg,$group,undef,undef,1,$hostname);
+                    $title = &HTML::Entities::encode($title,'\'"<>&');
                     ($trail) =
-                        &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
+                        &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1,1);
                 } else {
                     &Apache::lonhtmlcommon::add_breadcrumb(
                     {text  => "Supplemental $crstype Content",
                      href  => "javascript:gopost('/adm/supplemental','')"});
-                    $title = &mt('View Resource');
+                    $title = &HTML::Entities::encode(&mt('View Resource'),'\'"<>&');
                     ($trail) = 
-                        &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
+                        &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1,1);
+                }
+                if (ref($showncrumbsref)) {
+                    $$showncrumbsref = 1;
                 }
                 return $trail;
             } elsif ($resurl =~ m{^\Q/uploaded$courseurl/portfolio/syllabus/}) {
                 &Apache::lonhtmlcommon::clear_breadcrumbs();
                 &prepare_functions('/public'.$courseurl."/syllabus",
                                    $forcereg,$group,undef,undef,1,$hostname);
-                $title = &mt('Syllabus File');
+                $title = &HTML::Entities::encode(&mt('Syllabus File'),'\'"<>&');
+                my ($trail) =
+                    &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1,1);
+                if (ref($showncrumbsref)) {
+                    $$showncrumbsref = 1;
+                }
+                return $trail;
+            } elsif (($resurl eq '/public'.$courseurl.'/syllabus') &&
+                     ($env{'form.folderpath'})) {
+                if ($env{'form.title'}) {
+                    $title = $env{'form.title'};
+                } else {
+                    $title = 'Syllabus';
+                }
+                &prepare_functions($resurl,$forcereg,$group,undef,undef,1,$hostname);
+                $title = &HTML::Entities::encode($title,'\'"<>&');
                 my ($trail) =
-                    &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1,$hostname);
+                    &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1,1);
                 return $trail;
             }
             unless ($env{'request.state'} eq 'construct') {
@@ -1008,17 +1110,17 @@ sub innerregister {
             if ($perms{'mgr'}) {
                 &switch('','',7,2,'pgrd.png','Content Grades','grades[_4]',
                         "gocmd('/adm/grades','gradingmenu')",
-                        'Content Grades');
+                        'Grading for Resource/Folder');
             } elsif ($perms{'vgr'}) {
                 &switch('','',7,2,'subm.png','Content Submissions','missions[_1]',
                         "gocmd('/adm/grades','submission')",
-                        'Content Submissions');
+                        'Submissions for Resource/Folder');
              }
         }
         if (($env{'request.symb'} ne '') && (($perms{'opa'}) || ($perms{'vpa'}))) {
             &switch('','',7,3,'pparm.png','Content Settings','parms[_2]',
                     "gocmd('/adm/parmset','set')",
-                    'Content Settings');
+                    'Content Settings for Resource/Folder');
 	}
 # End grades/submissions check
 
@@ -1037,12 +1139,119 @@ sub innerregister {
                     'Folder/Page Content');
         }
 # End modifiable folder/page container check
+
+#
+# Determine whether to show View As button for shortcut to display problem, answer, and submissions
+#
+
+        if (($env{'request.symb'} ne '') &&
+            ($env{'request.filename'}=~/$LONCAPA::assess_re/) &&
+            (($perms{'mgr'}) || ($perms{'vgr'}))) {
+            my ($viewas,$text,$change,$visibility,$vuname,$vudom,$vid,$leftvis,$rightvis,
+                $defdom,$domselector,$righticon);
+            my %lt = &Apache::lonlocal::texthash(
+                                                 view => 'View',
+                                                 upda => 'Update',
+                                                 user => 'View as user',
+                                                 choo => 'Choose user',
+            );
+            my $possdomstr = $env{'course.'.$env{'request.course.id'}.'.internal.userdomains'};
+            if ($possdomstr =~ /,/) {
+                my @possdoms = split(/,/,$possdomstr);
+                if ($env{'request.user_in_effect'} =~ /^$match_username:($match_domain)$/) {
+                    $defdom = $1;
+                } elsif (grep(/^\Q$cdom\E$/,@possdoms)) {
+                    $defdom = $cdom;
+                } elsif (&Apache::lonnet::domain($possdoms[0]) ne '') {
+                    $defdom = $possdoms[0];
+                }
+                $domselector = &Apache::loncommon::select_dom_form($defdom,'vudom','','','',
+                                                                   \@possdoms,'','','vudom').
+                               '<span class="LC_visually_hidden"><label for="vudom">'.
+                               &mt("user's domain").'</label></span>';                
+            } elsif (($possdomstr ne '') && (&Apache::lonnet::domain($possdomstr) ne '')) {
+                if ($env{'request.user_in_effect'} =~ /^$match_username:($match_domain)$/) {
+                    $defdom = $1;
+                } else {
+                    $defdom = $possdomstr;
+                }
+            }
+            if ($env{'request.user_in_effect'} =~ /^($match_username):($match_domain)$/) {
+                ($vuname,$vudom) = ($1,$2);
+                unless (&Apache::lonnet::is_advanced_user($vudom,$vuname)) {
+                    $vid = (&Apache::lonnet::idrget($vudom,$vuname))[1];
+                }
+                $viewas = $env{'request.user_in_effect'};
+                $text = $lt{'upda'};
+                $change = 'off';
+                $visibility = 'inline';
+                $leftvis = 'none';
+                $rightvis = 'inline';
+                $defdom = $vudom;
+                $righticon = '&#10006;';
+            } else {
+                $text = $lt{'view'};
+                $change = 'on';
+                $visibility = 'none';
+                $leftvis = 'inline';
+                $rightvis = 'none';
+                $righticon = '&#9668;';
+                if ($defdom eq '') {
+                    $defdom = $cdom;
+                }
+            }
+            my $sellink = &Apache::loncommon::selectstudent_link('userview','vuname','vudom','','','vuidentifier');
+            my $selscript=&Apache::loncommon::studentbrowser_javascript();
+            my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($env{'request.symb'}),'<>&"');
+            my $input;
+            my @items = (
+                         '<label><input type="radio" name="vuidentifier" value="uname" checked="checked" onclick="javascript:toggleIdentifier(this.form);" />',
+                         '</label><input name="vuname" type="text" size="6" value="'.$vuname.'" id="LC_vuname" />',
+                         '<label><input type="radio" name="vuidentifier" value="uid" onclick="javascript:toggleIdentifier(this.form);" />',
+                         '</label><input name="vid" type="hidden" size="6" value="'.$vid.'" id="LC_vid" />'
+                        );
+            if ($domselector) {
+                push(@items,$domselector);
+                $input = &mt('[_1]User:[_2] or [_3]ID:[_4] at [_5] | ',@items);
+            } else {
+                $input = &mt('[_1]Username:[_2] or [_3]ID:[_4] | ',@items).
+                         '<input name="vudom" type="hidden" value="'.$defdom.'" />';
+            }
+            $input .= '<input name="LC_viewas" type="hidden" value="'.$viewas.'" />',
+                      '<input name="symb" type="hidden" value="'.$shownsymb.'" />';
+            my $chooser = <<END;
+<span class="LC_visually_hidden">
+<label for="LC_vuname" id="LC_vuidentifier">$lt{'user'}</label>
+</span>
+$selscript
+<a href="javascript:toggleViewAsUser('$change');" class="LC_menubuttons_link" id="usexpand" style="display:$leftvis;">
+<span class="LC_menubuttons_inline_text">&#9658;&nbsp;</span>
+</a>
+<fieldset id="LC_selectuser" style="display:$visibility;"><legend class="LC_visually_hidden">$lt{'choo'}</legend>
+<form name="userview" action="" method="post" onsubmit="event.preventDefault(); return validCourseUser(this,'$change');">
+<span class="LC_menubuttons_inline_text LC_nobreak">
+$input
+$sellink
+</span>
+&nbsp;<input type="submit" value="$text" />
+</form>
+</fieldset>
+<a href="javascript:toggleViewAsUser('$change');" class="LC_menubuttons_link" id="uscollapse" style="display:$rightvis">
+<span class="LC_menubuttons_inline_text">$righticon</span>
+</a>
+END
+            &switch('','',7,5,'viewuser.png','View As','user[_1]',
+                    'toggleViewAsUser('."'$change'".')',
+                    'View resource as user','','',$chooser);
+        }
+# End view as user check
+
     }
 # End course context
 
 # Prepare the rest of the buttons
-        my ($menuitems,$got_prt,$got_wishlist);
-        if ($const_space) {
+    my ($menuitems,$got_prt,$got_wishlist,$crsauthor,$toplevel_cstr,$crsauthor_cstr);
+    if ($const_space) {
 #
 # We are in construction space
 #
@@ -1050,14 +1259,29 @@ sub innerregister {
             my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
 	    my ($udom,$uname,$thisdisfn) =
 		($env{'request.filename'}=~m{^\Q$londocroot/priv/\E([^/]+)/([^/]+)/(.*)$});
+            if (($env{'request.course.id'}) &&
+                ($env{'course.'.$env{'request.course.id'}.'.num'} eq $uname) &&
+                ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom)) {
+                $crsauthor_cstr = 1;
+            }
             my $currdir = '/priv/'.$udom.'/'.$uname.'/'.$thisdisfn;
             if ($currdir =~ m-/$-) {
-                $is_const_dir = 1;
                 if ($thisdisfn eq '') {
-                    unless (($env{'request.course.id'}) && 
-                            ($env{'course.'.$env{'request.course.id'}.'.num'} eq $uname) &&
-                            ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom)) { 
-                        $is_const_dir = 2;
+                    $toplevel_cstr = 1;
+                }
+                my $esc_currdir = &Apache::loncommon::escape_single($currdir);
+                $menuitems=(<<ENDMENUITEMS);
+s&6&3&pub.png&Publish&dir[_2]&gocstr('/adm/publish','$esc_currdir')&Publish this Directory
+s&7&4&docs-22x22.png&Edit Metadata&defaults[_1]&gopost('${esc_currdir}default.meta','')&Edit metadata for this Directory
+s&7&2&prt.png&Print&printout[_1]&gocstr('/adm/printout','$esc_currdir')&Print contents of directory
+s&7&1&del.png&Delete&dir[_3]&gocstr('/adm/cfile?action=delete','$esc_currdir')&Delete this Directory
+ENDMENUITEMS
+                unless ($crsauthor_cstr) {
+                    if (($env{'environment.canarchive'}) &&
+                        ($uname eq $env{'user.name'}) && ($udom eq $env{'user.domain'})) {
+                        $menuitems .= (<<ENDMENUITEMS);
+s&7&7&archive.png&Export&dir[_1]&gocstr('/adm/cfile?action=archive','$esc_currdir')&Export Authoring Space Archive
+ENDMENUITEMS
                     }
                 }
             } else {
@@ -1074,12 +1298,19 @@ sub innerregister {
 #
 # Probably should be in mydesk.tab
 #
-                $menuitems=(<<ENDMENUITEMS);
+                if (($crsauthor_cstr) && ($pubfile eq "/res/$udom/$uname/default.rights")) {
+                    $menuitems=(<<ENDMENUITEMS);
+s&6&1&list.png&Directory&dir[_1]&golist('$esc_currdir')&List current directory
+s&6&3&pub.png&Publish&resource[_3]&gocstr('/adm/publish','/priv/$udom/$uname/$cleandisfn')&Publish this resource
+ENDMENUITEMS
+                } else {
+                    $menuitems=(<<ENDMENUITEMS);
 s&6&1&list.png&Directory&dir[_1]&golist('$esc_currdir')&List current directory
 s&6&2&rtrv.png&Retrieve&version[_1]&gocstr('/adm/retrieve','/priv/$udom/$uname/$cleandisfn')&Retrieve old version
 s&6&3&pub.png&Publish&resource[_3]&gocstr('/adm/publish','/priv/$udom/$uname/$cleandisfn')&Publish this resource
 s&7&3&copy.png&Copy&resource[_4]&gocstr('/adm/cfile?action=copy','/priv/$udom/$uname/$cleandisfn')&Copy this resource
 ENDMENUITEMS
+                }
 #
 # Rename and Delete only available if obsolete or unpublished
 #
@@ -1089,9 +1320,42 @@ s&7&4&rename.png&Rename&resource[_5]&goc
 s&7&1&del.png&Delete&resource[_2]&gocstr('/adm/cfile?action=delete','/priv/$udom/$uname/$cleandisfn')&Delete this resource
 ENDMENUITEMS
                 }
-                $menuitems .= (<<ENDMENUITEMS);
+#
+# Print only makes sense for certain mime types
+#
+                if ($thisdisfn=~/\.(xml|html|htm|xhtml|xhtm|tex)$/ || $thisdisfn=~/$LONCAPA::assess_re/) {
+                    $menuitems .= (<<ENDMENUITEMS);
 s&7&2&prt.png&Print&printout[_1]&gocstr('/adm/printout','/priv/$udom/$uname/$cleandisfn')&Prepare a printable document
 ENDMENUITEMS
+                }
+#
+# "Exit Daxe" in Functions menu when using Daxe
+#
+                if ((($env{'form.editmode'} eq 'daxe') &&
+                     ($thisdisfn=~/\.(xml|html|htm|xhtml|xhtm)$/)) ||
+                    (($env{'form.problemmode'} eq 'daxe') &&
+                     ($thisdisfn=~/$LONCAPA::assess_re/))) {
+                    my %editors = &Apache::loncommon::permitted_editors();
+                    if ($editors{'daxe'}) {
+                        my $privfile = &Apache::loncommon::escape_single("/priv/$udom/$uname/$thisdisfn");
+                        $in_daxe = 1;
+                        $menuitems .= (<<ENDMENUITEMS);
+my $privfile = &Apache::loncommon::escape_single("/priv/$udom/$uname/$thisdisfn");
+s&7&6&tolastloc.png&Exit Daxe&resource[_1]&go('$privfile')&Exit editing this resource
+ENDMENUITEMS
+                    }
+                }
+            }
+#
+# Editing options usually accessed via "Settings" in inline menu need to be
+# accessed in a different way, when Authoring Space is accessed in course
+# context
+#
+            if ($env{'request.role'} !~/^(aa|ca|au)/) {
+                my $privfile = &Apache::loncommon::escape_single("/priv/$udom/$uname/$thisdisfn");
+                $menuitems .= (<<ENDMENUITEMS);
+s&7&5&editops.png&Options&edit[_1]&gocstr('/adm/preferences?action=authorsettings','$privfile')&Authoring Space Options
+ENDMENUITEMS
             }
                 if (ref($bread_crumbs) eq 'ARRAY') {
                     &Apache::lonhtmlcommon::clear_breadcrumbs();
@@ -1165,8 +1429,12 @@ ENDMENUITEMS
             $got_prt = 1;
             if (($env{'user.adv'}) && ($env{'request.uri'} =~ /^\/res/)
                 && (!$env{'request.enc'})) {
-                my ($cnum,$cdom) = &Apache::loncommon::crsauthor_url($env{'request.uri'});
-                unless ($cnum) {
+                my $privurl = $env{'request.uri'};
+                $privurl =~ s{^/res/}{/priv/};
+                my ($cnum,$cdom) = &Apache::loncommon::crsauthor_url($privurl);
+                if ($cnum) {
+                    $crsauthor = 1;
+                } else {
                     # wishlist is only available for users with access to resource-pool
                     # and links can only be set for resources within the resource-pool
                     $menuitems .= (<<ENDMENUITEMS);
@@ -1221,7 +1489,7 @@ s&8&3&prt.png&Print&printout[_1]&gopost(
 ENDMENUITEMS
                 $got_prt = 1;
             }
-            unless ($got_wishlist) {
+            unless (($got_wishlist) || ($crsauthor)) {
                 if (($env{'user.adv'}) && (!$env{'request.enc'})) {
                     # wishlist is only available for users with access to resource-pool
                     $menuitems .= (<<ENDMENUITEMS);
@@ -1249,10 +1517,13 @@ ENDMENUITEMS
                 }
             }
         }
-        my $showprogress;
+        my ($showprogress,$linkprotout);
         if (($crstype eq 'Placement') && (!$env{'request.role.adv'})) {
             $showprogress = &placement_progress();
         }
+        if ($env{'request.deeplink.login'}) {
+            $linkprotout = &linkprot_exit();
+        }
 
 	my $addremote=0;
 	foreach (@inlineremote) { if ($_ ne '') { $addremote=1; last;} }
@@ -1278,6 +1549,9 @@ ENDMENUITEMS
             if ($countdown) {
                 &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$countdown);
             }
+            if ($linkprotout) {
+                &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$linkprotout);
+            }
             if ($showprogress) {
                 &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$showprogress);
             }
@@ -1286,11 +1560,19 @@ ENDMENUITEMS
             if ($countdown) {
                 unshift(@tools,$countdown);
             }
+            if ($linkprotout) {
+                unshift(@tools,$linkprotout);
+            }
             &Apache::lonhtmlcommon::add_breadcrumb_tool(
                 'tools',@tools);
 
+            #exit editing link/icon when using daxe in construction space 
             #publish button in construction space
             if ($env{'request.state'} eq 'construct'){
+                if ($in_daxe) {
+                    &Apache::lonhtmlcommon::add_breadcrumb_tool(
+                         'advtools', $inlineremote[76]);
+                }
                 &Apache::lonhtmlcommon::add_breadcrumb_tool(
                      'advtools', $inlineremote[63]);
             } else {
@@ -1298,14 +1580,23 @@ ENDMENUITEMS
                      'tools', $inlineremote[63]);
             }
             &advtools_crumbs(@inlineremote);
+            #options link/icon in constructions space viewed with course role
+            if (($env{'request.state'} eq 'construct') &&
+                ($env{'request.role'} !~/^(aa|ca|au)/)) {
+                &Apache::lonhtmlcommon::add_breadcrumb_tool(
+                         'advtools', $inlineremote[75]);
+            }
         }
     } else {
         if ($showprogress) {
             &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$showprogress);
         }
+        if ($linkprotout) {
+            &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$linkprotout);
+        }
     }
     my ($topic_help,$topic_help_text);
-    if ($is_const_dir == 2) {
+    if ($toplevel_cstr && !$crsauthor_cstr) {
         if ((($ENV{'SERVER_PORT'} == 443) || 
              ($Apache::lonnet::protocol{$Apache::lonnet::perlvar{'lonHostID'}} eq 'https')) && 
             (&Apache::lonnet::usertools_access($env{'user.name'},$env{'user.domain'},'webdav'))) {
@@ -1314,6 +1605,9 @@ ENDMENUITEMS
             $topic_help_text = 'About WebDAV access';
         }
     }
+    if (ref($showncrumbsref)) {
+        $$showncrumbsref = 1;
+    }
     return   &Apache::lonhtmlcommon::scripttag('', 'start')
            . &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'','','','',$topic_help,$topic_help_text)
            . &Apache::lonhtmlcommon::scripttag('', 'end');
@@ -1337,8 +1631,12 @@ sub get_editbutton {
         if ($env{'form.folderpath'}) {
             $suppanchor = $env{'form.anchor'};
         }
+        my $shownsymb;
+        if ($env{'request.symb'}) {
+            $shownsymb = &Apache::lonenc::check_encrypt($env{'request.symb'});
+        }
         $jscall = &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,$switchserver,
-                                                $forceedit,$forcereg,$env{'request.symb'},
+                                                $forceedit,$forcereg,$env{'request.symb'},$shownsymb,
                                                 &escape($env{'form.folderpath'}),
                                                 &escape($env{'form.title'}),$hostname,
                                                 $env{'form.idx'},&escape($env{'form.suppurl'}),
@@ -1388,20 +1686,40 @@ sub prepare_functions {
             $editbutton = &get_editbutton($cfile,$home,$switchserver,
                                           $forceedit,$forceview,$forcereg);
         }
-    } elsif ((!$env{'request.course.id'}) &&
-             ($env{'user.author'}) && ($env{'request.filename'}) &&
-             ($env{'request.role'} !~/^(aa|ca|au)/)) {
+    } elsif (!$env{'request.course.id'}) {
+        if (($env{'user.author'}) && ($resurl eq '/adm/viewcoauthors')) {
+            if ($env{'request.role'} =~/^(ca|au)/) {
+                my ($audom,$auname);
+                if ($env{'request.role'} eq "au./$env{'user.domain'}/") {
+                    ($audom,$auname) = ($env{'user.domain'},$env{'user.name'});
+                } elsif ($env{'request.role'} =~ m{^ca\./($match_domain)/($match_username)}) {
+                    ($audom,$auname) = ($1,$2);
+                }
+                if (($audom ne '') && ($auname ne '')) {
+                    my $file=&Apache::lonnet::declutter($env{'request.filename'});
+                    ($cfile,$home,$switchserver,$forceedit,$forceview) =
+                    &Apache::lonnet::can_edit_resource($file,$auname,$audom,
+                                                       $resurl);
+                    if ($cfile) {
+                        $editbutton = &get_editbutton($resurl,'','',$forceedit,
+                                                      $forceview);
+                    }
+                }
+            }
+        } elsif (($env{'user.author'}) && ($env{'request.filename'}) &&
+                 ($env{'request.role'} !~/^(aa|ca|au)/)) {
 #
 # Currently do not have the role of author or co-author.
 # Do we have authoring privileges for the resource?
 #
-        my $file=&Apache::lonnet::declutter($env{'request.filename'});
-        ($cfile,$home,$switchserver,$forceedit,$forceview) =
-            &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,
-                &Apache::lonnet::clutter($resurl),$env{'request.symb'},$group);
-        if (($cfile) && ($home ne '') && ($home ne 'no_host')) {
-            $editbutton = &get_editbutton($cfile,$home,$switchserver,
-                                          $forceedit,$forceview,$forcereg);
+            my $file=&Apache::lonnet::declutter($env{'request.filename'});
+            ($cfile,$home,$switchserver,$forceedit,$forceview) =
+                &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,
+                    &Apache::lonnet::clutter($resurl),$env{'request.symb'},$group);
+            if (($cfile) && ($home ne '') && ($home ne 'no_host')) {
+                $editbutton = &get_editbutton($cfile,$home,$switchserver,
+                                              $forceedit,$forceview,$forcereg);
+            }
         }
     } elsif ($env{'request.course.id'}) {
 #
@@ -1452,7 +1770,14 @@ sub prepare_functions {
         } 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'});
+                my $file;
+                my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
+                if ($env{'request.filename'} =~ m{^\Q$londocroot\E/priv/}) {
+                    $file = $env{'request.filename'};
+                    $file =~ s{^\Q$londocroot\E/}{};
+                } else {
+                    $file=&Apache::lonnet::declutter($env{'request.filename'});
+                }
                 ($cfile,$home,$switchserver,$forceedit,$forceview) =
                     &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,
                         &Apache::lonnet::clutter($resurl),$env{'request.symb'},$group);
@@ -1594,10 +1919,10 @@ sub advtools_crumbs {
     } elsif ($env{'request.noversionuri'} !~ m{^/adm/(navmaps|viewclasslist)(\?|$)}) {
         if ($env{'request.state'} eq 'construct') {
             &Apache::lonhtmlcommon::add_breadcrumb_tool(
-                'advtools', @funcs[61,73,74,71,72]);
+                'advtools', @funcs[61,73,74,71,72,77]);
         } else {
             &Apache::lonhtmlcommon::add_breadcrumb_tool(
-                'advtools', @funcs[61,71,72,73,74,92]);
+                'advtools', @funcs[61,71,72,73,74,75,92]);
         }
     } elsif ($env{'request.noversionuri'} eq '/adm/viewclasslist') {
         &Apache::lonhtmlcommon::add_breadcrumb_tool(
@@ -1611,7 +1936,7 @@ sub advtools_crumbs {
 sub clear {
     my ($row,$col)=@_;
     $inlineremote[10*$row+$col]='';
-    return ''; 
+    return '';
 }
 
 # ============================================ Switch a button or create a link
@@ -1619,41 +1944,51 @@ 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,$form)=@_;
     $act=~s/\$uname/$uname/g;
     $act=~s/\$udom/$udom/g;
-    $top=&mt($top);
-    $bot=&mt($bot);
     $desc=&mt($desc);
     my $idx=10*$row+$col;
     $category_members{$cat}.=':'.$idx;
 
 # Inline Menu
     if ($nobreak==2) { return ''; }
-    my $text=$top.' '.$bot;
+    my ($text,$alttext);
+    $text=&mt($top).' '.&mt($bot);
     $text=~s/\s*\-\s*//gs;
+    if ($top) {
+        $alttext = &mt("$top icon");
+    } elsif ($bot) {
+        $alttext = &mt("$bot icon");
+    } elsif ($nobreak == 3) {
+        $alttext = &mt('Go forward icon');
+    } elsif ($nobreak) {
+        $alttext = &mt('Go back icon');
+    } else {
+        $alttext = &mt('icon');
+    }
 
     my $pic=
-	   '<img alt="'.$text.'" src="'.
+	   '<img alt="'.$alttext.'" src="'.
 	   &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
 	   '" align="'.($nobreak==3?'right':'left').'" class="LC_icon" />';
     if ($env{'browser.interface'} eq 'faketextual') {
 # Main Menu
 	   if ($nobreak==3) {
 	       $inlineremote[$idx]="\n".
-		   '<td class="LC_menubuttons_text" align="right">'.$text.
-		   '</td><td align="left">'.
+		   '<th class="LC_menubuttons_text" align="right">'.$text.
+		   '</th><td align="left">'.
 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
 	   } elsif ($nobreak) {
 	       $inlineremote[$idx]="\n<tr>".
-		   '<td align="left">'.
-		   '<a href="javascript:'.$act.';">'.$pic.'</a></td>
+		   '<th align="left">'.
+		   '<a href="javascript:'.$act.';">'.$pic.'</a></th>
                     <td class="LC_menubuttons_text" align="left"><a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$text.'</span></a></td>';
 	   } else {
 	       $inlineremote[$idx]="\n<tr>".
-		   '<td align="left">'.
+		   '<th align="left">'.
 		   '<a href="javascript:'.$act.';">'.$pic.
-		   '</a></td><td class="LC_menubuttons_text" colspan="3">'.
+		   '</a></th><td class="LC_menubuttons_text" colspan="3">'.
 		   '<a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$desc.'</span></a></td></tr>';
 	   }
     } else {
@@ -1668,9 +2003,10 @@ sub switch {
             $inlineremote[$idx] =
         '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.'</a>';
         } else {
+            my $linktext = &mt($top);
             $inlineremote[$idx] =
        '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
-       '<span class="LC_menubuttons_inline_text">'.$top.'&nbsp;</span></a>';
+       '<span class="LC_menubuttons_inline_text">'.$linktext.'&nbsp;</span></a>'.$form;
         }
     }
     return '';
@@ -1695,15 +2031,15 @@ sub inlinemenu {
     undef(%category_members);
 # calling rawconfig with "1" will evaluate mydesk.tab, even if there is no active remote control
     &rawconfig(1);
-    my $output='<table><tr>';
+    my $output='<div class="LC_landmark" role="main">'."\n";
     for (my $col=1; $col<=2; $col++) {
-        $output.='<td class="LC_mainmenu_col_fieldset">';
+        $output .= '<div class="LC_mainmenu">'."\n";
         for (my $row=1; $row<=8; $row++) {
             foreach my $cat (keys(%category_members)) {
                if ($category_positions{$cat} ne "$col,$row") { next; }
                #$output.='<table><tr><td colspan="4" class="LC_menubuttons_category">'.&mt($category_names{$cat}).'</td></tr>';
                $output.='<div class="LC_Box LC_400Box">';
-	       $output.='<h3 class="LC_hcell">'.&mt($category_names{$cat}).'</h3>';
+	       $output.='<h2 class="LC_hcell LC_heading_2">'.&mt($category_names{$cat}).'</h2>';
                $output.='<table>';
                my %active=();
                foreach my $menu_item (split(/\:/,$category_members{$cat})) {
@@ -1718,9 +2054,9 @@ sub inlinemenu {
                $output.='</div>';
             }
          }
-         $output.="</td>";
+         $output.="</div>";
     }
-    $output.="</tr></table>";
+    $output .= '<div style="clear:both"></div></div>'."\n";
     return $output;
 }
 
@@ -1809,6 +2145,8 @@ sub rawconfig {
                 } else {
                     next;
                 }
+            } elsif ($priv eq 'cca') {
+                next if ($rol eq 'cm');
             }
             if ((($priv eq 'bre') && (&Apache::lonnet::allowed($priv,$prt) eq 'F')) ||
                 (($priv ne 'bre') && (&Apache::lonnet::allowed($priv,$prt)))) {
@@ -1890,6 +2228,24 @@ sub rawconfig {
                     }
                 }
             }
+        } elsif ($pro eq 'coauthor') {
+            if ($env{'request.role'}=~ m{^(ca|aa)\./($match_domain)/($match_username)$}) {
+                my ($role,$audom,$auname) = ($1,$2,$3);
+                if ((($prt eq 'raa') && ($role eq 'aa')) ||
+                    (($prt eq 'rca') && ($role eq 'ca') &&
+                     (!$env{"environment.internal.manager./$audom/$auname"}))) {
+                    $output.=&switch($auname,$audom,
+                                     $row,$col,$img,$top,$bot,$act,$desc,$cat);
+                }
+            }
+        } elsif ($pro eq 'coauthorenv_manager') {
+            if ($env{'request.role'}=~ m{^ca\./($match_domain)/($match_username)$}) {
+                my ($audom,$auname) = ($1,$2);
+                if ($env{"environment.internal.manager./$audom/$auname"}) {
+                    $output.=&switch($auname,$audom,
+                                     $row,$col,$img,$top,$bot,$act,$desc,$cat);
+                }
+            }
         } elsif ($pro eq 'tools') {
             my @tools = ('aboutme','blog','portfolio');
             if (grep(/^\Q$prt\E$/,@tools)) {
@@ -1934,8 +2290,17 @@ sub check_for_rcrs {
     if (!$showreqcrs) {
         foreach my $type (@reqtypes) {
             if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
-                $showreqcrs = 1;
-                last;
+                my @domains = split(',',$env{'environment.reqcrsotherdom.'.$type});
+                foreach my $entry (@domains) {
+                    my ($extdom,$extopt) = split(':',$entry);
+                    if (&Apache::lonnet::will_trust('reqcrs',$env{'user.domain'},$extdom)) {
+                        $showreqcrs = 1;
+                        last;
+                    }
+                }
+                if ($showreqcrs) {
+                    last;
+                }
             }
         }
     }
@@ -2202,6 +2567,126 @@ END
     }
 }
 
+sub view_as_js {
+    my ($url,$symb) = @_;
+    my %lt = &Apache::lonlocal::texthash(
+                ente => 'Enter a username or a student/employee ID',
+                info => 'Information you entered does not match a valid course user',
+    );
+    &js_escape(\%lt);
+    return <<"END";
+
+function toggleViewAsUser(change) {
+    if (document.getElementById('LC_selectuser')) {
+        var seluserid = document.getElementById('LC_selectuser');
+        var currstyle = seluserid.style.display;
+        if (change == 'off') {
+            document.userview.elements['LC_viewas'].value = '';
+            document.userview.elements['vuname'].value = '';
+            document.userview.elements['vid'].value = '';
+            document.userview.submit();
+            return;
+        }
+        if ((document.getElementById('usexpand')) && (document.getElementById('uscollapse'))) {
+            if (currstyle == 'inline') {
+                seluserid.style.display = 'none';
+                document.getElementById('usexpand').style.display= 'inline';
+                document.getElementById('uscollapse').style.display = 'none';
+            } else {
+                seluserid.style.display = 'inline';
+                toggleIdentifier(document.userview);
+                document.getElementById('usexpand').style.display = 'none';
+                document.getElementById('uscollapse').style.display = 'inline';
+            }
+        }
+    }
+    return;
+}
+
+function validCourseUser(form,change) {
+    var possuname = form.elements['vuname'].value;
+    var possuid = form.elements['vid'].value;
+    var domelem = form.elements['vudom'];
+    var possudom = '';
+    if ((domelem.tagName === 'INPUT') && ((domelem.type === 'text') || (domelem.type === 'hidden'))) {
+        possudom = domelem.value;
+    } else if (domelem.tagName === 'SELECT') {
+        possudom = domelem.options[domelem.selectedIndex].value;
+    }
+    if ((possuname == '') && (possuid == '')) {
+        if (change == 'off') {
+            form.elements['LC_viewas'].value = '';
+            form.submit();
+        } else {
+            alert("$lt{'ente'}");
+        }
+        return;
+    }
+    var http = new XMLHttpRequest();
+    var url = "/adm/courseuser";
+    var params = "uname="+possuname+"&uid="+possuid+"&udom="+possudom;
+    http.open("POST", url, true);
+    http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+    http.onreadystatechange = function() {
+        if (http.readyState == 4 && http.status == 200) {
+            var data = JSON.parse(http.responseText);
+            if (Array.isArray(data.match)) {
+               var len = data.match.length;
+               if (len == 2) {
+                   if (data.match[0] != '' && data.match[1] != '') {
+                       form.elements['LC_viewas'].value = data.match[0]+':'+data.match[1];
+                       form.submit(); 
+                   }
+               } else {
+                   alert("$lt{'info'}");
+               }
+            }
+        }
+        return;
+    }
+    http.send(params);
+    return false;
+}
+
+function toggleIdentifier(form) {
+    if ((document.getElementById('LC_vuname')) && (document.getElementById('LC_vid'))) {
+        var identifylabel = document.getElementById('LC_vuidentifier');
+        var identifier;
+        var userbyuname;
+        var radioelem = form.elements['vuidentifier'];
+        if (radioelem.length > 0) {
+            var i;
+            for (i=0; i<radioelem.length; i++) {
+                if (radioelem[i].checked == true) {
+                    if (radioelem[i].value == 'uname') {
+                        userbyuname = 1;
+                        document.getElementById('LC_vuname').type = 'text';
+                        document.getElementById('LC_vid').type = 'hidden';
+                        document.getElementById('LC_vid').value = '';
+                    } else {
+                        userbyuname = 0;
+                        document.getElementById('LC_vuname').type = 'hidden';
+                        document.getElementById('LC_vuname').value = '';
+                        document.getElementById('LC_vid').type = 'text';
+                    }
+                    break;
+                }
+            }
+            if (identifylabel) {
+                if (userbyuname) {
+                    identifylabel.setAttribute("for","LC_vuname");
+                } else {
+                    identifylabel.setAttribute("for","LC_vid");
+                }
+            }
+        }
+    }
+    return;
+}
+
+END
+}
+
 sub utilityfunctions {
     my ($httphost) = @_;
     my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
@@ -2240,9 +2725,28 @@ sub utilityfunctions {
     my $esc_url=&escape($currenturl);
     my $esc_symb=&escape($currentsymb);
     my $newname = &mt('New Name');
+    &js_escape(\$newname);
 
     my $countdown = &countdown_toggle_js();
 
+    my $viewuser;
+    if (($env{'request.course.id'}) &&
+        ($env{'request.symb'} ne '') &&
+        ($env{'request.filename'}=~/$LONCAPA::assess_re/)) {
+        my $canview;
+        foreach my $priv ('mgr','vgr') {
+            $canview = &Apache::lonnet::allowed($priv,$env{'request.course.id'});
+            if (!$canview && $env{'request.course.sec'} ne '') {
+                $canview =
+                    &Apache::lonnet::allowed($priv,"$env{'request.course.id'}/$env{'request.course.sec'}");
+            }
+            last if ($canview);
+        }
+        if ($canview) {
+            $viewuser = &view_as_js($esc_url,$esc_symb);
+        }
+    }
+
     my ($ltitarget,$deeplinktarget);
     if ($env{'request.lti.login'}) {
         $ltitarget = $env{'request.lti.target'};
@@ -2355,6 +2859,10 @@ function gocstr(url,filename) {
         this.document.cstrprint.submit();
         return;
     }
+    if (url == '/adm/preferences?action=authorsettings') {
+        document.location.href=url+'&returnurl='+filename;
+        return;
+    }
     if (url !='') {
         this.document.constspace.filename.value = filename;
         this.document.constspace.action = url;
@@ -2459,6 +2967,8 @@ function open_aboutLC() {
 
 $countdown
 
+$viewuser
+
 ENDUTILITY
 }
 
@@ -2470,12 +2980,14 @@ sub serverform {
     if (($env{'request.deeplink.login'}) && ($env{'request.deeplink.target'} eq '_self')) {
         $target = ' target="_self"';
     }
+    my $submit = &mt('Submit');
     return(<<ENDSERVERFORM);
-<form name="server" action="/adm/logout" method="post"$target>
+<form name="server" action="/adm/logout" method="post"$target aria-hidden="true">
 <input type="hidden" name="postdata" value="none" />
 <input type="hidden" name="command" value="none" />
 <input type="hidden" name="url" value="none" />
 <input type="hidden" name="symb" value="none" />
+<input type="submit" value="$submit" class="LC_visually_hidden" tabindex="-1" disabled="disabled" />
 </form>
 ENDSERVERFORM
 }
@@ -2490,7 +3002,7 @@ sub constspaceform {
         unless ((($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) ||
                 (($env{'request.deeplink.login'}) && ($env{'request.deeplink.target'} eq '_self'))) {
             $target = ' target="_top"';
-            $printtarget = ' target="_parent"';
+            $printtarget = ' target="_top"';
         }
     }
     return(<<ENDCONSTSPACEFORM);
@@ -2526,7 +3038,7 @@ sub hidden_button_check {
 }
 
 sub roles_selector {
-    my ($cdom,$cnum,$httphost,$menucoll,$menuref) = @_;
+    my ($cdom,$cnum,$httphost,$target,$menucoll,$menuref) = @_;
     my $crstype = &Apache::loncommon::course_type();
     my $now = time;
     my (%courseroles,%seccount,%courseprivs,%roledesc);
@@ -2632,11 +3144,15 @@ sub roles_selector {
         }
     }
     if ((keys(%seccount) > 1) || ($numdiffsec > 1)) {
+        my $targetattr;
+        if ($target ne '') {
+            $targetattr = ' target="'.$target.'"';
+        }
         my @submenu;
         $js = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles,\%courseprivs,
                             \%roledesc,$privref,$menucoll,$menuref);
         $form = 
-            '<form name="rolechooser" method="post" action="'.$httphost.'/adm/roles">'."\n".
+            '<form name="rolechooser" method="post" action="'.$httphost.'/adm/roles"'.$targetattr.' aria-hidden="true">'."\n".
             '  <input type="hidden" name="destinationurl" value="'.
             &HTML::Entities::encode($destinationurl).'" />'."\n".
             '  <input type="hidden" name="gotorole" value="1" />'."\n".
@@ -2646,7 +3162,8 @@ sub roles_selector {
             $form .= '  <input type="hidden" name="destsymb" value="'.
                         &HTML::Entities::encode($destsymb).'" />'."\n";
         }
-        $form .= '</form>'."\n";
+        $form .= '<input type="submit" value="'.&mt('Submit').'" class="LC_visually_hidden" tabindex="-1" disabled="disabled" />'."\n".
+                 '</form>'."\n";
         foreach my $role (@roles_order) {
             my $include;
             if (defined($courseroles{$role})) {
@@ -2699,7 +3216,7 @@ sub roles_selector {
             }
         }
         if (@submenu > 0) {
-            $switcher = &create_submenu('#','',&mt('Switch role'),\@submenu);
+            $switcher = &create_submenu('#',$target,&mt('Switch role'),\@submenu);
         }
     }
     return ($js,$form,$switcher,$has_opa_priv);
@@ -3135,7 +3652,7 @@ $donebutton
 <span id="ddcountcollapse" class="LC_menubuttons_inline_text">
 $collapse
 </span></a>
-<span id="duedatecountdown" class="LC_menubuttons_inline_text" style="display: $currdisp;"></span>
+<span id="duedatecountdown" class="LC_menubuttons_inline_text" style="display: $currdisp;" role="timer"></span>
 <a href="javascript:toggleCountdown();" class="LC_menubuttons_link">
 <span id="ddcountexpand" class="LC_menubuttons_inline_text" >$expand</span>
 <img src="/res/adm/pages/timer.png" title="$desc" class="LC_icon" alt="$alttxt" /><span class="LC_menubuttons_inline_text">$title</span></a>
@@ -3152,6 +3669,94 @@ sub placement_progress {
            &mt('Test is [_1]% complete',$complete).'</span>';
 }
 
+sub linkprot_exit {
+    if (($env{'request.course.id'}) && ($env{'request.deeplink.login'})) {
+        my ($deeplink_symb,$deeplink);
+        my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+        my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+        if (($cnum ne '') && ($cdom ne '')) {
+            $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
+            if ($deeplink_symb) {
+                if ($deeplink_symb =~ /\.(page|sequence)$/) {
+                    my $mapname = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
+                    my $navmap = Apache::lonnavmaps::navmap->new();
+                    if (ref($navmap)) {
+                        $deeplink = $navmap->get_mapparam(undef,$mapname,'0.deeplink');
+                    }
+                } else {
+                    $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb);
+                }
+                if ($deeplink ne '') {
+                    my ($state,$others,$listed,$scope,$protect,$display,$target,$exit) = split(/,/,$deeplink);
+                    my %lt = &Apache::lonlocal::texthash(
+                        title    => 'Exit Tool',
+                        okdone   => 'Click "OK" to exit embedded tool',
+                        cancel   => 'Click "Cancel" to continue working.',
+                        ok       => 'OK',
+                        exit     => 'Cancel',
+                    );
+                    if ($exit) {
+                        my ($show,$text) = split(/:/,$exit);
+                        unless ($show eq 'no') { 
+                            my $height = 250;
+                            my $width = 300;
+                            my $exitbuttontext;
+                            if ($text eq '') { 
+                                $exitbuttontext = &mt('Exit Tool');
+                            } else {
+                                $exitbuttontext = $text;
+                            }
+                            return <<END;
+<form method="post" name="LCexitButton" action="/adm/linkexit">
+    <input type="hidden" name="LC_deeplink_exit" value="" />
+    <button id="LC_exit-confirm-opener" type="button">$exitbuttontext</button>
+</form>
+
+<div id="LC_exit-confirm" title="$lt{'title'}">
+    <p>$lt{'okdone'} $lt{'cancel'}</p>
+</div>
+
+<script type="text/javascript">
+// <![CDATA[
+\$( "#LC_exit-confirm" ).dialog({ autoOpen: false });
+\$( "#LC_exit-confirm-opener" ).click(function() {
+    \$( "#LC_exit-confirm" ).dialog( "open" );
+    \$( "#LC_exit-confirm" ).dialog({
+      resizable: false,
+      height: $height,
+      width: $width,
+      modal: true,
+      buttons: [
+                 {
+                    text: "$lt{'ok'}",
+                    click: function() {
+                        \$( this ).dialog( "close" );
+                        \$( '[name="LC_deeplink_exit"]' )[0].value = 'true';
+                        \$( '[name="LCexitButton"]' )[0].submit();
+                    },
+                 },
+                 {
+                     text: "$lt{'exit'}",
+                     click: function() {
+                         \$( this ).dialog( "close" );
+                     },
+                  },
+               ],
+       });
+});
+// ]]>
+</script>
+
+END
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return;
+}
+
 # ================================================================ Main Program
 
 BEGIN {