--- loncom/interface/lonmenu.pm	2012/08/06 03:38:08	1.369.2.19
+++ loncom/interface/lonmenu.pm	2012/12/22 15:08:10	1.369.2.29
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.369.2.19 2012/08/06 03:38:08 raeburn Exp $
+# $Id: lonmenu.pm,v 1.369.2.29 2012/12/22 15:08:10 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -443,8 +443,10 @@ sub secondary_menu {
     }
     $menu =~ s/\[uname\]/$$author{user}/g;
     $menu =~ s/\[udom\]/$$author{dom}/g;
-
-    return "<ul id=\"LC_secondary_menu\">$menu</ul>";
+    if ($menu) {
+        $menu = "<ul id=\"LC_secondary_menu\">$menu</ul>";
+    }
+    return $menu;
 }
 
 sub create_submenu {
@@ -486,7 +488,7 @@ sub registerurl {
     if ($env{'request.state'} eq 'construct') {
         $force_title=&Apache::lonxml::display_title();
     }
-    if (($env{'environment.remote'} eq 'off') ||
+    if (($env{'environment.remote'} ne 'on') ||
         ((($env{'request.publicaccess'}) ||
          (!&Apache::lonnet::is_on_map(
            &unescape($env{'request.noversionuri'})))) &&
@@ -507,7 +509,7 @@ sub registerurl {
 }
 
 sub innerregister {
-    my ($forcereg,$bread_crumbs) = @_;
+    my ($forcereg,$bread_crumbs,$group) = @_;
     my $const_space = ($env{'request.state'} eq 'construct');
     my $is_const_dir = 0;
 
@@ -515,7 +517,7 @@ sub innerregister {
 
     $env{'request.registered'} = 1;
 
-    my $noremote = ($env{'environment.remote'} eq 'off');
+    my $noremote = ($env{'environment.remote'} ne 'on');
 
     undef(@inlineremote);
 
@@ -528,237 +530,168 @@ sub innerregister {
         $newmail= 'swmenu.setstatus("you have","messages");';
     }
 
-    my $resurl; 
-    if ( $env{'request.symb'} && $env{'request.course.id'} ) {
+    my ($mapurl,$resurl);
+
+    if ($env{'request.course.id'}) {
+        if ($env{'request.symb'}) {
+            ($mapurl, my $rid, $resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
+            my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
 
-        (my $mapurl, my $rid, $resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
-        my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
+            my $maptitle = &Apache::lonnet::gettitle($mapurl);
+            my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
 
-        my $maptitle = &Apache::lonnet::gettitle($mapurl);
-        my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
 
 #SD
 #course_type only Course and Community?
 #
-        my @crumbs;
-        unless (($forcereg) && ($env{'request.noversionuri'} eq '/adm/navmaps')
-                && ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) {
-            @crumbs = ({text  => Apache::loncommon::course_type() 
-                                . ' Contents', 
-                        href  => "Javascript:gopost('/adm/navmaps','')"});
-        }
-        if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) { 
-            push(@crumbs, {text  => '...',
-                           no_mt => 1});
-        }
-
-        push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle 
-                                                   && $maptitle ne 'default.sequence' 
-                                                   && $maptitle ne $coursetitle);
-
-        push @crumbs, {text => $restitle, no_mt => 1} if $restitle; 
-
-        &Apache::lonhtmlcommon::clear_breadcrumbs();
-        &Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
-    }elsif (! $const_space){
+            my @crumbs;
+            unless (($forcereg) && 
+                    ($env{'request.noversionuri'} eq '/adm/navmaps') &&
+                    ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) {
+                @crumbs = ({text  => Apache::loncommon::course_type() 
+                                    . ' Contents', 
+                            href  => "Javascript:gopost('/adm/navmaps','')"});
+            }
+            if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) { 
+                push(@crumbs, {text  => '...',
+                               no_mt => 1});
+            }
+
+            push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle 
+                                                       && $maptitle ne 'default.sequence' 
+                                                       && $maptitle ne $coursetitle);
+
+            push @crumbs, {text => $restitle, no_mt => 1} if $restitle; 
+            &Apache::lonhtmlcommon::clear_breadcrumbs();
+            &Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
+        } else {
+            $resurl = $env{'request.noversionuri'};
+            my $courseurl = &Apache::lonnet::courseid_to_courseurl($env{'request.course.id'});
+            my $crstype = &Apache::loncommon::course_type();
+            my $title = &mt('View Resource');
+            if ($resurl =~ m{^\Q/uploaded$courseurl/supplemental/\E(default|\d+)/}) {
+                &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['folderpath','title']);
+                &Apache::lonhtmlcommon::clear_breadcrumbs();
+                if ($env{'form.title'}) {
+                    $title = $env{'form.title'};
+                }
+                my $trail;
+                if ($env{'form.folderpath'}) {
+                    &prepare_functions($resurl,$forcereg,$group,undef,undef,1);
+                    ($trail) =
+                        &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
+                } else {
+                    &Apache::lonhtmlcommon::add_breadcrumb(
+                    {text  => "Supplemental $crstype Content",
+                     href  => "javascript:gopost('/adm/supplemental','')"});
+                    $title = &mt('View Resource');
+                    ($trail) =
+                        &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
+                }
+                return $trail;
+            }
+            unless ($env{'request.state'} eq 'construct') {
+                &Apache::lonhtmlcommon::clear_breadcrumbs();
+                &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'});
+            }
+        }
+    } elsif (! $const_space){
         #a situation when we're looking at a resource outside of context of a 
         #course or construction space (e.g. with cumulative rights)
         &Apache::lonhtmlcommon::clear_breadcrumbs();
-        &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'});
+        unless ($env{'request.noversionuri'} =~ m{^/adm/$match_domain/$match_username/aboutme$}) {
+            &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'});
+        }
     }
     my $timesync   = ( $noremote ? '' : 'swmenu.syncclock(1000*'.time.');' );
 # =============================================================================
 # ============================ This is for URLs that actually can be registered
     if ( ($env{'request.noversionuri'}!~m{^/(res/)*adm/})
                        || ($forcereg)) {
-# -- This applies to homework problems for users with grading privileges
-	my $crs='/'.$env{'request.course.id'};
-	if ($env{'request.course.sec'}) {
-	    $crs.='_'.$env{'request.course.sec'};
-	}
-	$crs=~s/\_/\//g;
 
         my %swtext;
         if ($noremote) {
             %swtext = &get_inline_text();
         } else {
             %swtext = &get_rc_text();
-        } 
+        }
         my $hwkadd='';
-        if ($env{'request.symb'} ne '' &&
-	    $env{'request.filename'}=~/$LONCAPA::assess_re/) {
-	    if (&Apache::lonnet::allowed('mgr',$crs)) {
-		$hwkadd.=&switch('','',7,2,'pgrd.png',$swtext{'pgrd'},'grades[_4]',
-                       "gocmd('/adm/grades','gradingmenu')",
-                       'Content Grades');
-            } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
-		$hwkadd.=&switch('','',7,2,'subm.png',$swtext{'subm'},'missions[_1]',
-                       "gocmd('/adm/grades','submission')",
-		       'Content Submissions');
-            }
-	}
-	if ($env{'request.symb'} ne '' &&
-	    &Apache::lonnet::allowed('opa',$crs)) {
-	    $hwkadd.=&switch('','',7,3,'pparm.png',$swtext{'pparm'},'parms[_2]',
-			     "gocmd('/adm/parmset','set')",
-			     'Content Settings');
-	}
-        if ($noremote) {  
-            if ($env{'request.symb'}=~/^uploaded/ &&
-                &Apache::lonnet::allowed('mdc',$crs)) {
-                $hwkadd.=&switch('','',7,4,'docs.png',$swtext{'docs'},'parms[_2]',
-                                 "gocmd('/adm/coursedocs','direct')",
-                                 'Folder/Page Content');
-            }
-        }
-# -- End Homework
-        ###
-        ### Determine whether or not to display the 'cstr' button for this
-        ### resource
-        ###
-        my $editbutton = '';
-        my $noeditbutton = 1;
-        my ($cnum,$cdom);
-        if ($env{'request.course.id'}) {
-            $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-            $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+
+        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 '') {
+            $editbutton = &clear(6,1);
         }
-        if ($env{'user.author'}) {
-            if ($env{'request.role'}=~/^(aa|ca|au)/) {
+
 #
-# We have the role of an author
+# This applies in course context
 #
-                # Set defaults for authors
-                my ($top,$bottom) = ('con-','struct');
-                my $action = "go('/priv/".$env{'user.domain'}.'/'.$env{'user.name'}."');";
-                my $cadom  = $env{'request.role.domain'};
-                my $caname = $env{'user.name'};
-                my $desc = "Enter my construction space";
-                # Set defaults for co-authors
-                if ($env{'request.role'} =~ /^ca/) { 
-                    ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
-                    ($top,$bottom) = ('co con-','struct');
-                    $action = "go('/priv/".$cadom.'/'.$caname."');";
-                    $desc = "Enter construction space as co-author";
-                } elsif ($env{'request.role'} =~ /^aa/) {
-                    ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
-                    ($top,$bottom) = ('co con-','struct');
-                    $action = "go('/priv/".$cadom.'/'.$caname."');";
-                    $desc = "Enter construction space as assistant co-author";
-                }
-                # Check that we are on the correct machine
-                my $home = &Apache::lonnet::homeserver($caname,$cadom);
-		my $allowed=0;
-		my @ids=&Apache::lonnet::current_machine_ids();
-		foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
-		if (!$allowed) {
-		    $editbutton=&switch('','',6,1,,$top,$bottom,$action,$desc);
-                    $noeditbutton = 0;
+        if ($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');
             }
-#
-# We are an author for some stuff, but currently do not have the role of author.
-# Figure out if we have authoring privileges for the resource we are looking at.
-# This should maybe become a privilege check in lonnet
-#
-            ##
-            ## Determine if user can edit url.
-            ##
-            my $cfile='';
-            my $cfuname='';
-            my $cfudom='';
-            my $uploaded;
-            my $switchserver='';
-            my $home;
-            if ($env{'request.filename'}) {
-                my $file=&Apache::lonnet::declutter($env{'request.filename'});
-                if (defined($cnum) && defined($cdom)) {
-                    $uploaded = &is_course_upload($file,$cnum,$cdom);
-                }
-                if (!$uploaded) {
-
-                    $file=~s{^(priv/$match_domain/$match_username)}{/$1};
-                    $file=~s{^($match_domain/$match_username)}{/priv/$1};
-
-                    # Check that the user has permission to edit this resource
-                    my $setpriv = 1;
-                    ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$setpriv);
-                    if (defined($cfudom)) {
-		        $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
-		        my $allowed=0;
-		        my @ids=&Apache::lonnet::current_machine_ids();
-		        foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
-		        if ($allowed) {
-                            $cfile=$file;
-                        } else {
-                            $switchserver=$file;
-                        }
-                    }
+            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'}/$env{'request.course.sec'}");
                 }
             }
-            # Finally, turn the button on or off
-            if (($cfile || $switchserver) && !$const_space) {
-                my $nocrsedit;
-                # Suppress display where CC has switched to student role.
-                if ($env{'request.course.id'}) {
-                    unless(&Apache::lonnet::allowed('mdc',
-                                                    $env{'request.course.id'})) {
-                        $nocrsedit = 1;
-                    }
-                }
-                if ($nocrsedit) {
-                    $editbutton=&clear(6,1);
-                } else {
-                    my $bot = "go('$cfile')";
-                    if ($switchserver) {
-                        if ( $env{'request.symb'} && $env{'request.course.id'} ) {
-                            $cfile = '/adm/switchserver?otherserver='.$home.'&amp;role='.
-                                     &HTML::Entities::encode($env{'request.role'},'"<>&').'&amp;symb='.
-                                     &HTML::Entities::encode($env{'request.symb'},'"<>&');
-                            $bot = "need_switchserver('$cfile');";
-                        }
-                    }
-                    $editbutton=&switch
-                       ('','',6,1,'pcstr.png',$swtext{'pcstr'},'resource[_2]',
-                        $bot,"Edit this resource");
-                    $noeditbutton = 0;
+#
+# Determine whether or not to show Grades and Submissions buttons
+#
+            if ($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'}) {
+                    $hwkadd .= &switch('','',7,2,'subm.png','Content Submissions',
+                                       'missions[_1]',
+                                       "gocmd('/adm/grades','submission')",
+                                       'Content Submissions');
                 }
-            } elsif ($editbutton eq '') {
-                $editbutton=&clear(6,1);
             }
-        }
-        if (($noeditbutton) && ($env{'request.filename'})) { 
-            if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
-                my $file=&Apache::lonnet::declutter($env{'request.filename'});
-                if (defined($cnum) && defined($cdom)) {
-                    if (&is_course_upload($file,$cnum,$cdom)) {
-                        my $cfile = &edit_course_upload($file,$cnum,$cdom);
-                        if ($cfile) {
-                            $editbutton=&switch
-                                        ('','',6,1,'pcstr.png',$swtext{'pcstr'},
-                                         'resource[_2]',"go('".$cfile."');",
-                                         'Edit this resource');
-                        }
-                    }
-                }
+            if (($env{'request.symb'} ne '') && ($perms{'opa'})) {
+                $hwkadd .= &switch('','',7,3,'pparm.png','Content Settings',
+                                   'parms[_2]',"gocmd('/adm/parmset','set')",
+                                   'Content Settings');
             }
-        }
-        if ($env{'request.course.id'}) {
-            if ($resurl eq "public/$cdom/$cnum/syllabus") {
-                if ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ /\w/) {
-                    if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
-                        $editbutton=&switch('','',6,1,'pcstr.png',$swtext{'pcstr'},
-                                            'resource[_2]',
-                                            "go('/adm/courseprefs?phase=display&actions=courseinfo')",
-                                            'Edit this resource');
-                    }
+# 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';
                 }
+                $hwkadd .= &switch('','',7,4,'docs-22x22.png',$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
-        my ($menuitems,$got_prt,$got_wishlist);
+        my ($menuitems,$got_prt,$got_wishlist,$cstritems);
         if ($const_space) {
 #
 # We are in construction space
@@ -778,19 +711,23 @@ sub innerregister {
 # Probably should be in mydesk.tab
 #
                 $menuitems=(<<ENDMENUITEMS);
-s&6&1&list.png&$swtext{'list'}&dir[_1]&golist('$esc_currdir')&List current directory
-s&6&2&rtrv.png&$swtext{'rtrv'}&version[_1]&gocstr('/adm/retrieve','/priv/$udom/$uname/$cleandisfn')&Retrieve old version
-s&6&3&pub.png&$swtext{'pub'}&resource[_3]&gocstr('/adm/publish','/priv/$udom/$uname/$cleandisfn')&Publish this resource
-s&7&1&del.png&$swtext{'del'}&resource[_2]&gocstr('/adm/cfile?action=delete','/priv/$udom/$uname/$cleandisfn')&Delete this resource
-s&7&2&prt.png&$swtext{'prt'}&printout[_1]&gocstr('/adm/printout','/priv/$udom/$uname/$cleandisfn')&Prepare a printable document
+s&6&1&list.png&Directory&dir[_1]&golist('$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&1&del.png&Delete&resource[_2]&gocstr('/adm/cfile?action=delete','/priv/$udom/$uname/$cleandisfn')&Delete this resource
+s&7&2&prt.png&Print&printout[_1]&gocstr('/adm/printout','/priv/$udom/$uname/$cleandisfn')&Prepare a printable document
 ENDMENUITEMS
+                unless ($noremote) {
+                    $cstritems = $menuitems;
+                    undef($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'}) && 
 		 $env{'request.symb'} ne '' ) {
 #
@@ -863,6 +800,16 @@ ENDMENUITEMS
                 }
             }
 	}
+        unless ($got_prt) {
+            $menuitems .= (<<ENDMENUITEMS);
+c&8&3
+ENDMENUITEMS
+        }
+        unless ($got_wishlist) {
+            $menuitems .= (<<ENDMENUITEMS);
+c&9&1
+ENDMENUITEMS
+        }
         my $buttons='';
         foreach (split(/\n/,$menuitems)) {
 	    my ($command,@rest)=split(/\&/,$_);
@@ -912,10 +859,7 @@ ENDMENUITEMS
                         &Apache::lonhtmlcommon::add_breadcrumb_tool(
                             'tools', $inlineremote[63]);
                     }
-                    unless ($env{'request.noversionuri'}=~ m{^/adm/(navmaps|viewclasslist)(\?|$)}) {
-                        &Apache::lonhtmlcommon::add_breadcrumb_tool(
-                            'advtools', @inlineremote[61,71,72,73,74,92]);
-                    }
+                    &advtools_crumbs(@inlineremote);
                 }
             }
             return   &Apache::lonhtmlcommon::scripttag('', 'start')
@@ -923,6 +867,20 @@ ENDMENUITEMS
                    . &Apache::lonhtmlcommon::scripttag('', 'end');
 
         } else {
+            my $cstrcrumbs;
+            if ($const_space) {
+                foreach (split(/\n/,$cstritems)) {
+                    my ($command,@rest)=split(/\&/,$_);
+                    my $idx=10*$rest[0]+$rest[1];
+                    &switch('','',@rest);
+                }
+                &Apache::lonhtmlcommon::add_breadcrumb_tool('advtools',
+                                                            @inlineremote[63,61,71,72]);
+
+                $cstrcrumbs = &Apache::lonhtmlcommon::scripttag('', 'start')
+                             .&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0)
+                             .&Apache::lonhtmlcommon::scripttag('', 'end');
+            }
             my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
             $requri=&Apache::lonenc::check_encrypt(&unescape($requri));
             my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
@@ -971,6 +929,8 @@ var swmenu=null;
 // END LON-CAPA Internal
 // ]]>
 </script>
+
+$cstrcrumbs
 ENDREGTHIS
         }
     } else {
@@ -992,6 +952,7 @@ var swmenu=null;
           swmenu.clearbut(8,1);
           swmenu.clearbut(8,2);
           swmenu.clearbut(8,3);
+          swmenu.clearbut(9,1);
           if (swmenu.currentURL) {
              swmenu.switchbutton
               (3,1,'reload.gif','return','location','go(currentURL)');
@@ -1020,10 +981,6 @@ sub get_inline_text {
                  pparm    => 'Content Settings',
                  docs     => 'Folder/Page Content',
                  pcstr    => 'Edit',
-                 list     => 'Directory',
-                 rtrv     => 'Retrieve',
-                 pub      => 'Publish',
-                 del      => 'Delete',
                  prt      => 'Print',
                  alnk     => 'Stored Links',
                  anot     => 'Notes',
@@ -1040,10 +997,6 @@ sub get_rc_text {
                    subm    => 'view sub-[_1]',
                    pparm   => 'problem[_2]',
                    pcstr   => 'edit[_1]',
-                   list    => 'list[_1]',
-                   rtrv    => 'retrieve[_1]',
-                   pub     => 'publish[_1]',
-                   del     => 'delete[_1]',
                    prt     => 'prepare[_1]',
                    back    => 'backward[_1]',
                    forw    => 'forward[_1]',
@@ -1056,42 +1009,6 @@ sub get_rc_text {
     return %text;
 }
 
-sub is_course_upload {
-    my ($file,$cnum,$cdom) = @_;
-    my $uploadpath = &LONCAPA::propath($cdom,$cnum);
-    $uploadpath =~ s{^\/}{};
-    if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) ||
-        ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) {
-        return 1;
-    }
-    return;
-}
-
-sub edit_course_upload {
-    my ($file,$cnum,$cdom) = @_;
-    my $cfile;
-    if ($file =~/\.(htm|html|css|js|txt)$/) {
-        my $ext = $1;
-        my $url = &Apache::lonnet::hreflocation('',$file);
-        my $home = &Apache::lonnet::homeserver($cnum,$cdom);
-        my @ids=&Apache::lonnet::current_machine_ids();
-        my $dest;
-        if ($home && grep(/^\Q$home\E$/,@ids)) {
-            $dest = $url.'?forceedit=1';
-        } else {
-            unless (&Apache::lonnet::get_locks()) {
-                $dest = '/adm/switchserver?otherserver='.
-                        $home.'&role='.$env{'request.role'}.
-                        '&url='.$url.'&forceedit=1';
-            }
-        }
-        if ($dest) {
-            $cfile = &HTML::Entities::encode($dest,'"<>&');
-        }
-    }
-    return $cfile;
-}
-
 sub loadevents() {
     if ($env{'request.state'} eq 'construct' ||
         $env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
@@ -1261,6 +1178,232 @@ ENDOPEN
     return '<script type="text/javascript">'.$returnval.'</script>';
 }
 
+sub get_editbutton {
+    my ($cfile,$home,$switchserver,$forceedit,$forceview,$forcereg) = @_;
+    my $jscall;
+    if (($forceview) && ($env{'form.todocs'})) {
+        my ($folderpath,$command);
+        if ($env{'request.symb'}) {
+            $folderpath = &Apache::loncommon::symb_to_docspath($env{'request.symb'});
+        } elsif ($env{'form.folderpath'} =~ /^supplemental/) {
+            $folderpath = $env{'form.folderpath'};
+            $command = '&forcesupplement=1';
+        }
+        $folderpath = &escape(&HTML::Entities::encode(&escape($folderpath),'<>&"'));
+        $jscall = "go('/adm/coursedocs?folderpath=$folderpath$command')";
+    } else {
+        $jscall = &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,$switchserver,
+                                                $forceedit,$forcereg,$env{'request.symb'},
+                                                &escape($env{'form.folderpath'}),
+                                                &escape($env{'form.title'}),$env{'form.idx'},
+                                                &escape($env{'form.suppurl'},$env{'form.todocs'}));
+    }
+    if ($jscall) {
+        my $icon = 'pcstr.png';
+        my $label = 'Edit';
+        if ($forceview) {
+            $icon = 'tolastloc.png';
+            $label = 'Exit Editing';
+        }
+        &switch('','',6,1,$icon,$label,'resource[_2]',
+                $jscall,"Edit this resource");
+        return 1;
+    }
+    return;
+}
+
+sub prepare_functions {
+    my ($resurl,$forcereg,$group,$bread_crumbs,$advtools,$docscrumbs) = @_;
+    unless ($env{'request.registered'}) {
+        undef(@inlineremote);
+    }
+    my ($cdom,$cnum,%perms,$cfile,$switchserver,$home,$forceedit,
+        $forceview);
+
+    if ($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 $editbutton = '';
+#
+# Determine whether or not to display 'Edit' icon/button
+#
+    if ($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,
+                &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'}) &&
+             ($env{'user.author'}) && ($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,$forcereg);
+        }
+    } elsif ($env{'request.course.id'}) {
+#
+# 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;
+            } 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,$forcereg);
+            }
+        } elsif (($resurl eq '/adm/extresedit') &&
+                 (($env{'form.symb'}) || ($env{'form.folderpath'}))) {
+            ($cfile,$home,$switchserver,$forceedit,$forceview) =
+            &Apache::lonnet::can_edit_resource($resurl,$cnum,$cdom,$resurl,
+                                               $env{'form.symb'});
+            if ($cfile ne '') {
+                $editbutton = &get_editbutton($cfile,$home,$switchserver,
+                                              $forceedit,$forceview,$forcereg,
+                                              $env{'form.title'},$env{'form.suppurl'});
+            }
+        } elsif ($resurl !~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
+            if ($env{'request.filename'}) {
+                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 ne '') {
+                    $editbutton = &get_editbutton($cfile,$home,$switchserver,
+                                                  $forceedit,$forceview,$forcereg);
+                }
+            }
+        }
+    }
+# End determination of 'Edit' icon/button display
+
+    if ($env{'request.course.id'}) {
+# This applies to about me page for users in a course
+        if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
+            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');
+            }
+            my $hideprivileged = 1;
+            if (&Apache::lonnet::in_course($sdom,$sname,$cdom,$cnum,undef,
+                                           $hideprivileged)) {
+                foreach my $priv ('vsa','vgr','srm') {
+                    $perms{$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'}/$env{'request.course.sec'}");
+                    }
+                }
+                if ($perms{'vsa'}) {
+                    &switch('','',6,5,'trck-22x22.png','Activity',
+                            '',
+                            "go('/adm/trackstudent?selected_student=$sname:$sdom')",
+                            'View recent activity by this person');
+                }
+                if ($perms{'vgr'}) {
+                    &switch('','',6,6,'rsrv-22x22.png','Reservations',
+                            '',
+                            "go('/adm/slotrequest?command=showresv&origin=aboutme&uname=$sname&udom=$sdom')",
+                            'Slot reservation history');
+                }
+                if ($perms{'srm'}) {
+                    &switch('','',6,7,'contact-new-22x22.png','Records',
+                            '',
+                            "go('/adm/email?recordftf=retrieve&recname=$sname&recdom=$sdom')",
+                            'Add records');
+                }
+            }
+        } 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'})) &&
+            (($resurl =~ m{^/adm/wrapper/ext/}) ||
+             ($resurl =~ m{^/uploaded/$cdom/$cnum/supplemental/}) ||
+             ($resurl eq '/adm/supplemental') ||
+             ($resurl =~ m{^/public/$cdom/$cnum/syllabus$}) ||
+             ($resurl =~ m{^/adm/$match_domain/$match_username/aboutme$}))) {
+            my @folders=split('&',$env{'form.folderpath'});
+            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=$esc_path'",
+                        'Folder/Page Content');
+            }
+        }
+    }
+
+# End checking for items for about me page for users in a course
+    if ($docscrumbs) {
+        &Apache::lonhtmlcommon::clear_breadcrumb_tools();
+        &advtools_crumbs(@inlineremote);
+        return $editbutton;
+    } elsif ($env{'request.registered'}) {
+        return $editbutton;
+    } else {
+        if (ref($bread_crumbs) eq 'ARRAY') {
+            if (@inlineremote > 0) {
+                if (ref($advtools) eq 'ARRAY') {
+                    @{$advtools} = @inlineremote;
+                }
+            }
+            return;
+        } 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');
+        }
+    }
+}
+
+sub advtools_crumbs {
+    my @funcs = @_;
+    if ($env{'request.noversionuri'} =~ m{^/adm/$match_domain/$match_username/aboutme$}) {
+        &Apache::lonhtmlcommon::add_breadcrumb_tool(
+            'advtools', @funcs[61,64,65,66,67,74]);
+    } elsif ($env{'request.noversionuri'} !~ m{^/adm/(navmaps|viewclasslist)(\?|$)}) {
+        &Apache::lonhtmlcommon::add_breadcrumb_tool(
+            'advtools', @funcs[61,71,72,73,74,92]);
+    } elsif ($env{'request.noversionuri'} eq '/adm/viewclasslist') {
+        &Apache::lonhtmlcommon::add_breadcrumb_tool(
+            'advtools', @funcs[64]);
+    }
+}
 
 # ================================================================== Raw Config
 
@@ -1291,6 +1434,16 @@ sub switch {
 
     if ($env{'environment.remote'} eq 'on') {
         if (($row<1) || ($row>13)) { return ''; }
+        if ($env{'request.state'} eq 'construct') {
+            my $text = $top.' '.$bot;
+            $text=~s/\s*\-\s*//gs;
+            my $pic = '<img alt="'.$text.'" src="'.
+                      &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
+                      '" align="'.($nobreak==3?'right':'left').'" class="LC_icon" />';
+           $inlineremote[$idx] =
+               '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.
+               $pic.'<span class="LC_menubuttons_inline_text">'.$top.'&nbsp;</span></a>';
+        }
 # Remote
         $img=~s/\.png$/\.gif/;
         return "\n".
@@ -1715,8 +1868,7 @@ sub utilityfunctions {
     my $end_page_annotate = 
         &Apache::loncommon::end_page({'js_ready' => 1});
 
-    my $confirm_switch = &mt("Editing requires switching to the resource's home server.").'\n'.
-                         &mt('Switch server?');
+    my $jumptores = &Apache::lonhtmlcommon::javascript_jumpto_resource();
 
     my $esc_url=&escape($currenturl);
     my $esc_symb=&escape($currentsymb);
@@ -1739,14 +1891,7 @@ function go(url) {
    }
 }
 
-function need_switchserver(url) {
-    if (url!='' && url!= null) {
-        if (confirm("$confirm_switch")) {
-            go(url); 
-        }
-    }
-    return;
-}
+$jumptores
 
 function gopost(url,postdata) {
    if (url!='') {
@@ -1940,8 +2085,22 @@ sub roles_selector {
     } else {
         $ccrole = 'cc';
     }
-    my $priv;
+    my ($priv,$gotsymb,$destsymb);
     my $destinationurl = $ENV{'REQUEST_URI'};
+    if ($destinationurl =~ /\?symb=/) {
+        $gotsymb = 1;
+    } elsif ($destinationurl =~ m{^/enc/}) {
+        my $plainurl = &Apache::lonenc::unencrypted($destinationurl);
+        if ($plainurl =~ /\?symb=/) {
+            $gotsymb = 1;
+        }
+    }
+    unless ($gotsymb) {
+        $destsymb = &Apache::lonnet::symbread();
+        if ($destsymb ne '') {
+            $destsymb = &Apache::lonenc::check_encrypt($destsymb);
+        }
+    }
     my $reqprivs = &required_privs();
     if (ref($reqprivs) eq 'HASH') {
         my $destination = $destinationurl;
@@ -2029,7 +2188,12 @@ sub roles_selector {
                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>'; 
             }
         }
-        $role_selector .= '</select>'."\n".
+        $role_selector .= '</select>'."\n";
+        if ($destsymb ne '') {
+            $role_selector .= '<input type="hidden" name="destsymb" value="'.
+                              &HTML::Entities::encode($destsymb).'" />'."\n";
+        }
+        $role_selector .=
                '<input type="hidden" name="destinationurl" value="'.
                &HTML::Entities::encode($destinationurl).'" />'."\n".
                '<input type="hidden" name="gotorole" value="1" />'."\n".
@@ -2285,8 +2449,27 @@ sub required_privs {
 
 sub countdown_timer {
     if (($env{'request.course.id'}) && ($env{'request.symb'} ne '') &&
-        ($env{'request.filename'}=~/$LONCAPA::assess_re/) &&
-        ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
+        ($env{'request.filename'}=~/$LONCAPA::assess_re/)) {
+        my ($type,$hastimeleft,$slothastime);
+        my $now = time;
+        if ($env{'request.filename'} =~ /\.task$/) {
+            $type = 'Task';
+        } else {
+            $type = 'problem';
+        }
+        my ($status,$accessmsg,$slot_name,$slot) =
+            &Apache::lonhomework::check_slot_access('0',$type);
+        if ($slot_name ne '') {
+            if (ref($slot) eq 'HASH') {
+                if (($slot->{'starttime'} < $now) &&
+                    ($slot->{'endtime'} > $now)) {
+                    $slothastime = 1;
+                }
+            }
+        }
+        if ($status ne 'CAN_ANSWER') {
+            return;
+        }
         my $duedate = &Apache::lonnet::EXT("resource.0.duedate");
         my @interval=&Apache::lonnet::EXT("resource.0.interval");
         my $hastimeleft;
@@ -2299,9 +2482,11 @@ sub countdown_timer {
             }
         }
         if (($duedate && $duedate > time) ||
-            (!$duedate && $hastimeleft)) {
+            (!$duedate && $hastimeleft) ||
+            ($slot_name ne '' && $slothastime)) {
             my ($collapse,$expand,$alttxt,$title,$currdisp);
-            if (@interval > 1 && $hastimeleft) {
+            if ((@interval > 1 && $hastimeleft) ||
+                ($type eq 'Task' && $slothastime)) {
                 $currdisp = 'inline';
                 $collapse = '&#9658;&nbsp;';
             } else {