--- loncom/interface/londocs.pm	2022/10/19 02:10:20	1.683
+++ loncom/interface/londocs.pm	2024/01/10 20:07:37	1.709
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.683 2022/10/19 02:10:20 raeburn Exp $
+# $Id: londocs.pm,v 1.709 2024/01/10 20:07:37 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -45,7 +45,6 @@ use Apache::lontemplate();
 use Apache::lonsimplepage();
 use Apache::lonhomework();
 use Apache::lonpublisher();
-use Apache::lonparmset();
 use Apache::loncourserespicker();
 use HTML::Entities;
 use HTML::TokeParser;
@@ -103,6 +102,7 @@ sub authorhosts {
     my %outhash=();
     my $home=0;
     my $other=0;
+    my @ids=&Apache::lonnet::current_machine_ids();
     foreach my $key (keys(%env)) {
 	if ($key=~/^user\.role\.(au|ca)\.(.+)$/) {
 	    my $role=$1;
@@ -119,7 +119,6 @@ sub authorhosts {
 	    }
 	    my $allowed=0;
 	    my $myhome=&Apache::lonnet::homeserver($ca,$cd);
-	    my @ids=&Apache::lonnet::current_machine_ids();
 	    foreach my $id (@ids) {
                 if ($id eq $myhome) {
                     $allowed=1;
@@ -183,43 +182,62 @@ sub default_folderpath {
     }
 }
 
-sub validate_folderpath {
-    my ($supplementalflag) = @_;
-    if ($env{'form.folderpath'} ne '') {
-        my @items = split(/\&/,$env{'form.folderpath'});
-        my $badpath;
-        for (my $i=0; $i<@items; $i++) {
-            my $odd = $i%2;
-            if (($odd) && (!$supplementalflag) && ($items[$i] !~ /^[^:]*:(|\d+):(|1):(|1):(|1):(|1)$/)) {
-                $badpath = 1;
-            } elsif ((!$odd) && ($items[$i] !~ /^(default|supplemental)(|_\d+)$/)) {
-                $badpath = 1;
-            }
-            last if ($badpath);
-        }
-        if ($badpath) {
-            delete($env{'form.folderpath'});
-        }
-    }
-    return;
-}
-
-sub validate_suppath {
+sub validate_supppath {
+    my ($coursenum,$coursedom) = @_;
+    my $backto;
     if ($env{'form.supppath'} ne '') {
         my @items = split(/\&/,$env{'form.supppath'});
-        my $badpath;
+        my ($badpath,$got_supp,$supppath,%supphidden,%suppids);
         for (my $i=0; $i<@items; $i++) {
             my $odd = $i%2;
             if ((!$odd) && ($items[$i] !~ /^supplemental(|_\d+)$/)) {
                 $badpath = 1;
+                last;
+            } elsif ($odd) {
+                my $suffix;
+                my $idx = $i-1;
+                if ($items[$i] =~ /^([^:]*)::(|1):::$/) {
+                    $backto .= '&'.$1;
+                } elsif ($items[$idx] eq 'supplemental') {
+                    $backto .= '&'.$items[$i];
+                } else {
+                    $backto .= '&'.$items[$i];
+                    my $is_hidden;
+                    unless ($got_supp) {
+                        my ($supplemental) = &Apache::loncommon::get_supplemental($coursenum,$coursedom);
+                        if (ref($supplemental) eq 'HASH') {
+                            if (ref($supplemental->{'hidden'}) eq 'HASH') {
+                                %supphidden = %{$supplemental->{'hidden'}};
+                            }
+                            if (ref($supplemental->{'ids'}) eq 'HASH') {
+                                %suppids = %{$supplemental->{'ids'}};
+                            }
+                        }
+                        $got_supp = 1;
+                    }
+                    if (ref($suppids{"/uploaded/$coursedom/$coursenum/$items[$idx].sequence"}) eq 'ARRAY') {
+                        my $mapid = $suppids{"/uploaded/$coursedom/$coursenum/$items[$idx].sequence"}->[0];
+                        if ($supphidden{$mapid}) {
+                            $is_hidden = 1;
+                        }
+                    }
+                    $suffix = '::'.$is_hidden.':::';
+                }
+                $supppath .= '&'.$items[$i].$suffix;
+            } else {
+                $supppath .= '&'.$items[$i];
+                $backto .= '&'.$items[$i];
             }
-            last if ($badpath);
         }
         if ($badpath) {
             delete($env{'form.supppath'});
+        } else {
+            $supppath =~ s/^\&//;
+            $backto =~ s/^\&//;
+            $env{'form.supppath'} = $supppath;
         }
     }
-    return;
+    return $backto;
 }
 
 sub dumpcourse {
@@ -245,8 +263,8 @@ ENDJS
                          add_entries => {'onload' => "hide_searching();"},
                      };
     }
-    $r->print(&Apache::loncommon::start_page('Copy '.$crstype.' Content to Authoring Space',$js,$starthash)."\n".
-              &Apache::lonhtmlcommon::breadcrumbs('Copy '.$crstype.' Content to Authoring Space')."\n");
+    $r->print(&Apache::loncommon::start_page('Copy uploaded content to Authoring Space',$js,$starthash)."\n".
+              &Apache::lonhtmlcommon::breadcrumbs('Copy uploaded content to Authoring Space')."\n");
     $r->print(&startContentScreen('tools'));
     my ($home,$other,%outhash)=&authorhosts();
     unless ($home) {
@@ -700,7 +718,7 @@ sub group_import {
                 $url = $1;
                 my $marker = $2;
                 my $info = $3;
-                my ($toolid,%toolhash,%toolsettings);
+                my ($toolid,$toolprefix,$tooltype,%toolhash,%toolsettings);
                 my @extras = ('linktext','explanation','crslabel','crstitle','crsappend');
                 my @toolinfo = split(/:/,$info);
                 if ($residx) {
@@ -709,6 +727,12 @@ sub group_import {
                 } else {
                     $toolid = shift(@toolinfo);
                 }
+                if ($toolid =~ /^c/) {
+                    $tooltype = 'crs';
+                    $toolprefix = 'c';
+                } else {
+                    $tooltype = 'dom';
+                }
                 $toolid =~ s/\D//g;
                 ($toolhash{'target'},$toolhash{'width'},$toolhash{'height'},
                  $toolhash{'linktext'},$toolhash{'explanation'},$toolhash{'crslabel'},
@@ -722,127 +746,130 @@ sub group_import {
                     $toolhash{'gradable'} =~ s/\D+//g;
                 }
                 if (ref($ltitoolsref) eq 'HASH') {
-                    if (ref($ltitoolsref->{$toolid}) eq 'HASH') {
-                        my @deleted;
-                        $toolhash{'id'} = $toolid;
-                        if (($toolhash{'target'} eq 'iframe') || ($toolhash{'target'} eq 'tab') ||
-                            ($toolhash{'target'} eq 'window')) {
-                            if ($toolhash{'target'} eq 'window') {
-                                foreach my $item ('width','height') {
-                                    $toolhash{$item} =~ s/^\s+//;
-                                    $toolhash{$item} =~ s/\s+$//;
-                                    if ($toolhash{$item} =~ /\D/) {
-                                        delete($toolhash{$item});
-                                        if ($residx) {
-                                            if ($toolsettings{$item}) {
-                                                push(@deleted,$item);
+                    if (ref($ltitoolsref->{$tooltype}) eq 'HASH') {
+                        if (ref($ltitoolsref->{$tooltype}->{$toolid}) eq 'HASH') {
+                            my %tools = %{$ltitoolsref->{$tooltype}->{$toolid}};
+                            my @deleted;
+                            $toolhash{'id'} = $toolprefix.$toolid;
+                            if (($toolhash{'target'} eq 'iframe') || ($toolhash{'target'} eq 'tab') ||
+                                ($toolhash{'target'} eq 'window')) {
+                                if ($toolhash{'target'} eq 'window') {
+                                    foreach my $item ('width','height') {
+                                        $toolhash{$item} =~ s/^\s+//;
+                                        $toolhash{$item} =~ s/\s+$//;
+                                        if ($toolhash{$item} =~ /\D/) {
+                                            delete($toolhash{$item});
+                                            if ($residx) {
+                                                if ($toolsettings{$item}) {
+                                                    push(@deleted,$item);
+                                                }
                                             }
                                         }
                                     }
                                 }
-                            }
-                        } elsif ($residx) {
-                            $toolhash{'target'} = $toolsettings{'target'};
-                            if ($toolhash{'target'} eq 'window') {
-                                foreach my $item ('width','height') {
-                                    $toolhash{$item} = $toolsettings{$item};
+                            } elsif ($residx) {
+                                $toolhash{'target'} = $toolsettings{'target'};
+                                if ($toolhash{'target'} eq 'window') {
+                                    foreach my $item ('width','height') {
+                                        $toolhash{$item} = $toolsettings{$item};
+                                    }
+                                }
+                            } elsif (ref($tools{'display'}) eq 'HASH') {
+                                $toolhash{'target'} = $tools{'display'}{'target'};
+                                if ($toolhash{'target'} eq 'window') {
+                                    $toolhash{'width'} = $tools{'display'}{'width'};
+                                    $toolhash{'height'} = $tools{'display'}{'height'};
                                 }
                             }
-                        } elsif (ref($ltitoolsref->{$toolid}->{'display'}) eq 'HASH') {
-                            $toolhash{'target'} = $ltitoolsref->{$toolid}->{'display'}->{'target'};
-                            if ($toolhash{'target'} eq 'window') {
-                                $toolhash{'width'} = $ltitoolsref->{$toolid}->{'display'}->{'width'};
-                                $toolhash{'height'} = $ltitoolsref->{$toolid}->{'display'}->{'height'};
-                            }
-                        }
-                        if ($toolhash{'target'} eq 'iframe') {
-                            foreach my $item ('width','height','linktext','explanation') {
-                                delete($toolhash{$item});
-                                if ($residx) {
-                                    if ($toolsettings{$item}) {
-                                        push(@deleted,$item);
+                            if ($toolhash{'target'} eq 'iframe') {
+                                foreach my $item ('width','height','linktext','explanation') {
+                                    delete($toolhash{$item});
+                                    if ($residx) {
+                                        if ($toolsettings{$item}) {
+                                            push(@deleted,$item);
+                                        }
                                     }
                                 }
-                            }
-                        } elsif ($toolhash{'target'} eq 'tab') {
-                            foreach my $item ('width','height') {
-                                delete($toolhash{$item});
-                                if ($residx) {
-                                    if ($toolsettings{$item}) {
-                                        push(@deleted,$item);
+                            } elsif ($toolhash{'target'} eq 'tab') {
+                                foreach my $item ('width','height') {
+                                    delete($toolhash{$item});
+                                    if ($residx) {
+                                        if ($toolsettings{$item}) {
+                                            push(@deleted,$item);
+                                        }
                                     }
                                 }
                             }
-                        }
-                        if (ref($ltitoolsref->{$toolid}->{'crsconf'}) eq 'HASH') {
-                            foreach my $item ('label','title','linktext','explanation') {
-                                my $crsitem;
-                                if (($item eq 'label') || ($item eq 'title')) {
-                                    $crsitem = 'crs'.$item;
-                                } else {
-                                    $crsitem = $item;
-                                }
-                                if ($ltitoolsref->{$toolid}->{'crsconf'}->{$item}) {
-                                    $toolhash{$crsitem} =~ s/^\s+//;
-                                    $toolhash{$crsitem} =~ s/\s+$//;
-                                    if ($toolhash{$crsitem} eq '') {
+                            if (ref($tools{'crsconf'}) eq 'HASH') {
+                                foreach my $item ('label','title','linktext','explanation') {
+                                    my $crsitem;
+                                    if (($item eq 'label') || ($item eq 'title')) {
+                                        $crsitem = 'crs'.$item;
+                                    } else {
+                                        $crsitem = $item;
+                                    }
+                                    if ($tools{'crsconf'}{$item}) {
+                                        $toolhash{$crsitem} =~ s/^\s+//;
+                                        $toolhash{$crsitem} =~ s/\s+$//;
+                                        if ($toolhash{$crsitem} eq '') {
+                                            delete($toolhash{$crsitem});
+                                        }
+                                    } else {
                                         delete($toolhash{$crsitem});
                                     }
-                                } else {
-                                    delete($toolhash{$crsitem});
-                                }
-                                if (($residx) && (exists($toolsettings{$crsitem}))) {
-                                    unless (exists($toolhash{$crsitem})) {
-                                        push(@deleted,$crsitem);
+                                    if (($residx) && (exists($toolsettings{$crsitem}))) {
+                                        unless (exists($toolhash{$crsitem})) {
+                                            push(@deleted,$crsitem);
+                                        }
                                     }
                                 }
                             }
-                        }
-                        if ($toolhash{'passback'}) {
-                            my $gradesecret = UUID::Tiny::create_uuid_as_string(UUID_V4);
-                            $toolhash{'gradesecret'} = $gradesecret;
-                            $toolhash{'gradesecretdate'} = time;
-                        }
-                        if ($toolhash{'roster'}) {
-                            my $rostersecret = UUID::Tiny::create_uuid_as_string(UUID_V4);
-                            $toolhash{'rostersecret'} = $rostersecret;
-                            $toolhash{'rostersecretdate'} = time;
-                        }
-                        my $changegradable;
-                        if (($residx) && ($folder =~ /^default/)) {
-                            if ($toolsettings{'gradable'}) {
-                                unless (($toolhash{'gradable'}) || (defined($LONCAPA::map::zombies[$residx]))) {
-                                    push(@deleted,'gradable');
-                                    $changegradable = 1;
-                                }
-                            } elsif ($toolhash{'gradable'}) {
-                                $changegradable = 1;
+                            if ($toolhash{'passback'}) {
+                                my $gradesecret = UUID::Tiny::create_uuid_as_string(UUID_V4);
+                                $toolhash{'gradesecret'} = $gradesecret;
+                                $toolhash{'gradesecretdate'} = time;
+                            }
+                            if ($toolhash{'roster'}) {
+                                my $rostersecret = UUID::Tiny::create_uuid_as_string(UUID_V4);
+                                $toolhash{'rostersecret'} = $rostersecret;
+                                $toolhash{'rostersecretdate'} = time;
                             }
-                            if (($caller eq 'londocs') && (defined($LONCAPA::map::zombies[$residx]))) {
-                                $changegradable = 1;
+                            my $changegradable;
+                            if (($residx) && ($folder =~ /^default/)) {
                                 if ($toolsettings{'gradable'}) {
-                                    $toolhash{'gradable'} = 1;
+                                    unless (($toolhash{'gradable'}) || (defined($LONCAPA::map::zombies[$residx]))) {
+                                        push(@deleted,'gradable');
+                                        $changegradable = 1;
+                                    }
+                                } elsif ($toolhash{'gradable'}) {
+                                    $changegradable = 1;
+                                }
+                                if (($caller eq 'londocs') && (defined($LONCAPA::map::zombies[$residx]))) {
+                                    $changegradable = 1;
+                                    if ($toolsettings{'gradable'}) {
+                                        $toolhash{'gradable'} = 1;
+                                    }
                                 }
                             }
-                        }
-                        my $putres = &Apache::lonnet::put('exttool_'.$marker,\%toolhash,$coursedom,$coursenum);
-                        if ($putres eq 'ok') {
-                            if (@deleted) {
-                                &Apache::lonnet::del('exttool_'.$marker,\@deleted,$coursedom,$coursenum);
-                            }
-                            if (($changegradable) && ($folder =~ /^default/)) {
-                                my $val;
-                                if ($toolhash{'gradable'}) {
-                                    $val = 'yes';
-                                } else {
-                                    $val = 'no';
+                            my $putres = &Apache::lonnet::put('exttool_'.$marker,\%toolhash,$coursedom,$coursenum);
+                            if ($putres eq 'ok') {
+                                if (@deleted) {
+                                    &Apache::lonnet::del('exttool_'.$marker,\@deleted,$coursedom,$coursenum);
                                 }
-                                &LONCAPA::map::storeparameter($residx,'parameter_0_gradable',$val,
-                                                              'string_yesno');
-                                &remember_parms($residx,'gradable','set',$val);
+                                if (($changegradable) && ($folder =~ /^default/)) {
+                                    my $val;
+                                    if ($toolhash{'gradable'}) {
+                                        $val = 'yes';
+                                    } else {
+                                        $val = 'no';
+                                    }
+                                    &LONCAPA::map::storeparameter($residx,'parameter_0_gradable',$val,
+                                                                  'string_yesno');
+                                    &remember_parms($residx,'gradable','set',$val);
+                                }
+                            } else {
+                                return (&mt('Failed to save update to external tool.'),1);
                             }
-                        } else {
-                            return (&mt('Failed to save update to external tool.'),1);
                         }
                     }
                 }
@@ -1188,7 +1215,13 @@ sub docs_change_log {
 	}
 	$r->print('</ul>');
 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
-	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
+            my ($title,$url) = split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'},3);
+            if ($title eq '') {
+                ($title) = ($url =~ m{/([^/]+)$});
+            } elsif ($is_supp) {
+                $title = &Apache::loncommon::parse_supplemental_title($title);
+            }
+            $r->print(&LONCAPA::map::qtescape($title).':<ul>');
 	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder','gradable') {
 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 # FIXME: internationalization seems wrong here
@@ -1386,7 +1419,7 @@ sub print_paste_buffer {
     }
 
     my @currpaste = split(/,/,$env{'docs.markedcopies'});
-    my ($pasteitems,@pasteable);
+    my ($pasteitems,@pasteable,$same_institution,$checkedsameinst);
     my $clipboardcount = 0;
 
 # Construct identifiers for current contents of user's paste buffer
@@ -1399,11 +1432,13 @@ sub print_paste_buffer {
             ($url ne '')) {
             $clipboardcount ++;
             my ($is_external,$othercourse,$fromsupp,$is_uploaded_map,$parent,
-                $canpaste,$nopaste,$othercrs,$areachange,$is_exttool);
+                $canpaste,$nopaste,$othercrs,$areachange,$is_exttool,$toolcdom,
+                $toolcnum,$marker);
             my $extension = (split(/\./,$env{'docs.markedcopy_url_'.$suffix}))[-1];
             if ($url =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
                 $is_external = 1;
-            } elsif ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
+            } elsif ($url =~ m{^/adm/($match_domain)/($match_courseid)/(\d+)/ext\.tool$}) {
+                ($toolcdom,$toolcnum,$marker) = ($1,$2,$3);
                 $is_exttool = 1;
             }
             if ($folder =~ /^supplemental/) {
@@ -1441,17 +1476,56 @@ sub print_paste_buffer {
                     if ($cid ne $env{'request.course.id'}) {
                         my ($srcdom,$srcnum) = split(/_/,$cid);
                         if ($env{"user.priv.cm./$srcdom/$srcnum"} =~ /\Q:mdc&F\E/) {
-                            if (($is_exttool) && ($srcdom ne $coursedom)) {
-                                $canpaste = 0;
-                                $nopaste = &mt('Paste from another domain unavailable.');
-                            } else {
-                                $othercrs = '<br />'.&mt('(from another course)');
+                            if ($is_exttool) {
+                                if ($toolcdom ne $coursedom) {
+                                    $canpaste = 0;
+                                    $nopaste = &mt('Paste from another domain unavailable.');
+                                } elsif ($toolcnum ne $coursenum) {
+                                    my %toolsettings =
+                                        &Apache::lonnet::dump('exttool_'.$marker,$toolcdom,$toolcnum);
+                                    my %tooltypes = &Apache::loncommon::usable_exttools();
+                                    if ((($toolsettings{'id'} =~ /^c\d+$/) && (!$tooltypes{'crs'})) ||
+                                        (($toolsettings{'id'} =~ /^\d+$/) && (!$tooltypes{'dom'}))) {
+                                        $canpaste = 0;
+                                        $nopaste = &mt('Paste from another course unavailable.');
+                                    } elsif ($toolsettings{'id'} =~ /^c\d+$/) {
+                                        unless ($checkedsameinst) {
+                                            my $primary_id = &Apache::lonnet::domain($coursedom,'primary');
+                                            my $intdom = &Apache::lonnet::internet_dom($primary_id);
+                                            if ($intdom ne '') {
+                                                my $internet_names =
+                                                    &Apache::lonnet::get_internet_names($Apache::lonnet::perlvar{'lonHostID'});
+                                                if (ref($internet_names) eq 'ARRAY') {
+                                                    if (grep(/^\Q$intdom\E$/,@{$internet_names})) {
+                                                        $same_institution = 1;
+                                                    }
+                                                }
+                                            }
+                                            $checkedsameinst = 1;
+                                        }
+                                        if ($same_institution) {
+                                            $othercrs = '<br />'.&mt('(from another course)');
+                                        } else {
+                                            $nopaste = &mt('Paste from another course unavailable.');
+                                        }
+                                    } else {
+                                        $othercrs = '<br />'.&mt('(from another course)');
+                                    }
+                                }
                             }
                         } else {
                             $canpaste = 0;
                             $nopaste = &mt('Paste from another course unavailable.');
                         }
                     }
+                } elsif ($url =~ m{/res/($match_domain)/($match_username)/}) {
+                    my ($audom,$auname) = ($1,$2);
+                    unless (($auname eq $coursenum) && ($audom eq $coursedom)) {
+                        if (&Apache::lonnet::is_course($audom,$auname)) {
+                            $canpaste = 0;
+                            $nopaste = &mt('Paste from another course unavailable.');
+                        }
+                    }
                 }
                 if ($canpaste) {
                     push(@pasteable,$suffix);
@@ -1744,9 +1818,12 @@ sub do_paste_from_buffer {
         return();
     }
 
-    my (%msgs,%before,%after,@dopaste,%is_map,%notinsupp,%notincrs,%notindom,%duplicate,
-        %prefixchg,%srcdom,%srcnum,%srcmapidx,%marktomove,$save_err,$lockerrors,$allresult);
-
+    my (%msgs,%before,%after,@dopaste,%is_map,%notinsupp,%notincrs,%notindom,
+        %othcrstool,%othcrsres,%duplicate,%prefixchg,%srcdom,%srcnum,%srcmapidx,
+        %marktomove,$save_err,$lockerrors,$allresult,%currcrsltitools,
+        %currltititles,$currltimax,$gotcrsltitools);
+    $currltimax = 0;
+    $gotcrsltitools = 0;
     foreach my $suffix (@topaste) {
         my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url_'.$suffix});
         my $cid=&LONCAPA::map::qtescape($env{'docs.markedcopy_crs_'.$suffix});
@@ -1785,13 +1862,53 @@ sub do_paste_from_buffer {
                 }
             }
 # When buffer was populated using an active role in a different course
-# disallow pasting of External Tool if course is in a different domain.
-            if (($url =~ m{/ext\.tool$}) && ($srcd ne $coursedom)) {
-                $notindom{$suffix} = 1;
-                next;
+# disallow pasting of External Tool if course is in a different domain,
+# or if External Tool use is not permitted in this course.
+            if ($url =~ m{^/adm/($match_domain)/($match_courseid)/(\d+)/ext\.tool$}) {
+                my ($toolcdom,$toolcnum,$marker) = ($1,$2,$3);
+                if ($toolcdom ne $coursedom) {
+                    $notindom{$suffix} = 1;
+                    next;
+                } elsif ($toolcnum ne $coursenum) {
+                    my %toolsettings =
+                        &Apache::lonnet::dump('exttool_'.$marker,$toolcdom,$toolcnum);
+                    my %tooltypes = &Apache::loncommon::usable_exttools();
+                    if ((($toolsettings{'id'} =~ /^c\d+$/) && (!$tooltypes{'crs'})) ||
+                        (($toolsettings{'id'} =~ /^\d+$/) && (!$tooltypes{'dom'}))) {
+                        $othcrstool{$suffix} = 1;
+                        next;
+                    }
+                    if ($toolsettings{'id'} =~ /^c\d+$/) {
+                        unless ($gotcrsltitools) {
+                            %currcrsltitools =
+                                &Apache::lonnet::get_course_lti($coursenum,$coursedom,'consumer');
+                            foreach my $item (sort(keys(%currcrsltitools))) {
+                                if (ref($currcrsltitools{$item}) eq 'HASH') {
+                                    $currltimax ++;
+                                    if (ref($currltititles{$currcrsltitools{$item}{'title'}}) eq 'ARRAY') {
+                                        push(@{$currltititles{$currcrsltitools{$item}{'title'}}},$item);
+                                    } else {
+                                        $currltititles{$currcrsltitools{$item}{'title'}} = [$item];
+                                    }
+                                }
+                            }
+                            $gotcrsltitools = 1;
+                        }
+                    }
+                }
             }
             $srcdom{$suffix} = $srcd;
             $srcnum{$suffix} = $srcn;
+        } elsif ($url =~ m{^/res/($match_domain)/($match_courseid)/}) {
+            my ($audom,$auname) = ($1,$2);
+# When buffer was populated using an active role in a different course
+# disallow pasting of published resources from Course Authoring Space
+            unless (($auname eq $coursenum) && ($audom eq $coursedom)) {
+                if (&Apache::lonnet::is_course($audom,$auname)) {
+                    $othcrsres{$suffix} = 1;
+                    next;
+                }
+            }
         }
         $srcmapidx{$suffix} = $mapidx;
         push(@dopaste,$suffix);
@@ -1843,6 +1960,8 @@ sub do_paste_from_buffer {
                 notinsupp => 'Paste failed: content type is not supported within Supplemental Content',
                 notincrs  => 'Paste failed: Item is from a different course which you do not have rights to edit.',
                 notindom  => 'Paste failed: Item is an external tool from a course in a different domain.',
+                othcrstool => 'Paste failed: Item is an external tool from a different course, for which use is not allowed in this course.',
+                othcrsres => 'Paste failed: Item is a course-authored resource from a different course',
                 duplicate => 'Paste failed: only one instance of a particular published sequence or page is allowed within each course.',
             );
 
@@ -1871,7 +1990,9 @@ sub do_paste_from_buffer {
 # Retrieve information about all course maps in main content area 
 
     my $allmaps = {};
-    my (@toclear,%mapurls,%lockerrs,%msgerrs,%results,$donechk);
+    my (@toclear,%mapurls,%lockerrs,%msgerrs,%results,$donechk,
+        @updatetoolsenc,$updatetoolscache,$checkedsameinst,
+        $same_institution);
 
 # Loop over the items to paste
     foreach my $suffix (@dopaste) {
@@ -1970,12 +2091,27 @@ sub do_paste_from_buffer {
                     $fromothercrs = 1;
                     $info{'cdom'} = $srcdom{$suffix};
                     $info{'cnum'} = $srcnum{$suffix};
+                    unless ($checkedsameinst) {
+                        my $primary_id = &Apache::lonnet::domain($coursedom,'primary');
+                        my $intdom = &Apache::lonnet::internet_dom($primary_id);
+                        if ($intdom ne '') {
+                            my $internet_names =
+                                &Apache::lonnet::get_internet_names($Apache::lonnet::perlvar{'lonHostID'});
+                            if (ref($internet_names) eq 'ARRAY') {
+                                if (grep(/^\Q$intdom\E$/,@{$internet_names})) {
+                                    $same_institution = 1;
+                                }
+                            }
+                        }
+                        $checkedsameinst = 1;
+                    }
                 }
             }
             unless (($env{'form.docs.markedcopy_options_'.$suffix} eq 'move') && (!$fromothercrs)) {
                 my (%lockerr,$msg);
                 my ($newurl,$result,$errtext) =
-                    &dbcopy(\%info,$coursedom,$coursenum,\%lockerr);
+                    &dbcopy(\%info,$coursedom,$coursenum,\%lockerr,\%currltititles,
+                            \$currltimax,\@updatetoolsenc,\$updatetoolscache,$same_institution);
                 if ($result eq 'ok') {
                     $url = $newurl;
                     $title=&mt('Copy of').' '.$title;
@@ -2144,6 +2280,10 @@ sub do_paste_from_buffer {
             }
         }
     }
+    if (($updatetoolscache) || (@updatetoolsenc)) {
+        &update_ltitools_caches($coursedom,$coursenum,$updatetoolscache,
+                                \@updatetoolsenc);
+    }
     &clear_from_buffer(\@toclear,\@currpaste);
     my $msgsarray;
     foreach my $suffix (keys(%msgs)) {
@@ -2192,6 +2332,30 @@ sub clear_from_buffer {
     return $numdel;
 }
 
+sub update_ltitools_caches {
+    my ($coursedom,$coursenum,$updatetoolscache,$updatetoolsenc) = @_;
+    my $hashid=$coursedom.'_'.$coursenum;
+    if ($updatetoolscache) {
+        &Apache::lonnet::devalidate_cache_new('courseltitools',$hashid);
+    }
+    if ((ref($updatetoolsenc) eq 'ARRAY') &&
+        (@{$updatetoolsenc})) {
+        my @ids=&Apache::lonnet::current_machine_ids();
+        my $updatedone;
+        foreach my $lonhost (@{$updatetoolsenc}) {
+            if (grep(/^\Q$lonhost\E$/,@ids)) {
+                unless ($updatedone) {
+                    &Apache::lonnet::devalidate_cache_new('crsltitoolsenc',$hashid);
+                }
+                $updatedone = 1;
+            } else {
+                &Apache::lonnet::remote_devalidate_cache($lonhost,["crsltitoolsenc:$hashid"]);
+            }
+        }
+    }
+    return;
+}
+
 sub get_newmap_url {
     my ($url,$folder,$prefixchg,$coursedom,$coursenum,$srcdom,$srcnum,
         $titleref,$allmaps,$newurls) = @_;
@@ -2253,7 +2417,8 @@ sub get_newmap_url {
 }
 
 sub dbcopy {
-    my ($dbref,$coursedom,$coursenum,$lockerrorsref) = @_;
+    my ($dbref,$coursedom,$coursenum,$lockerrorsref,$currltititles,
+        $currltimax,$updatetoolsenc,$updatetoolscache,$same_institution) = @_;
     my ($url,$result,$errtext);
     if (ref($dbref) eq 'HASH') {
         $url = $dbref->{'src'};
@@ -2297,6 +2462,117 @@ sub dbcopy {
                     my %contents=&Apache::lonnet::dump($db_name,
                                                        $dbref->{'cdom'},
                                                        $dbref->{'cnum'});
+                    my ($toolcopyerror,$toolpassback,$toolroster,%toolinfo,$oldtoolid,$defincrs);
+                    if ($url eq '/adm/'.$dbref->{'cdom'}.'/'.$dbref->{'cnum'}."/$marker/ext.tool") {
+                        if ($contents{'id'} =~ /^(|c)(\d+)$/) {
+                            $oldtoolid = $2;
+                            if ($1 eq 'c') {
+                                $defincrs = 1;
+                                %toolinfo =
+                                    &Apache::lonnet::get('ltitools',[$oldtoolid],$dbref->{'cdom'},$dbref->{'cnum'});
+                            } else {
+                                %toolinfo= &Apache::lonnet::get_domain_lti($dbref->{'cdom'},'consumer');
+                            }
+                            if (ref($toolinfo{$oldtoolid}) eq 'HASH') {
+                                if ($toolinfo{$oldtoolid}{'passback'}) {
+                                    $toolpassback = 1;
+                                }
+                                if ($toolinfo{$oldtoolid}{'roster'}) {
+                                    $toolroster = 1;
+                                }
+                            } else {
+                                $toolcopyerror = 1;
+                                $errtext = &mt('Could not retrieve original settings for pasted external tool.');
+                            }
+                        }
+                        unless (($dbref->{'cnum'} eq $coursenum) && ($dbref->{'cdom'} eq $coursedom)) {
+                            $url = "/adm/$coursedom/$coursenum/$marker/ext.tool";
+                            if ($contents{'crstitle'} ne '') {
+                                $contents{'crstitle'} = $env{'course.'.$coursedom.'_'.$coursenum.'.description'};
+                            }
+                            if (($defincrs) && (!$toolcopyerror)) {
+                                my %newtool;
+                                my $oldcdom = $dbref->{'cdom'};
+                                my $oldcnum = $dbref->{'cnum'};
+                                my $title = $toolinfo{$oldtoolid}{'title'};
+                                if (ref($currltititles) eq 'HASH') {
+                                    if (exists($currltititles->{$title})) {
+                                        $title .= ' (copied from another course)';
+                                    }
+                                }
+                                my ($newid,$iderror) =
+                                    &Apache::lonnet::get_ltitools_id('course',$coursedom,$coursenum,$title);
+                                if ($newid =~ /^\d+$/) {
+                                    %{$newtool{$newid}} = %{$toolinfo{$oldtoolid}};
+                                    $newtool{$newid}{'title'} = $title;
+                                    if (ref($currltimax)) {
+                                        $newtool{$newid}{'order'} = $$currltimax;
+                                    }
+                                    if ($newtool{$newid}{'image'} =~ m{^\Q/uploaded/$oldcdom/$oldcnum/toollogo/$oldtoolid/\E([^/]+)$}) {
+                                        my $fname = $1;
+                                        my $content = &Apache::lonnet::getfile($newtool{$newid}{'image'});
+                                        if ($content eq '-1') {
+                                            delete($newtool{$newid}{'image'});
+                                        } else {
+                                            $env{'form.'.$suffix.'.image'} = $content;
+                                            my $newlogo =
+                                                &Apache::lonnet::finishuserfileupload($coursenum,$coursedom,$suffix.'.image',"toollogo/$newid/$fname");
+                                            delete($env{'form.'.$suffix.'.image'});
+                                            if ($newlogo =~ m{^/uploaded/}) {
+                                                $newtool{$newid}{'image'} = $newlogo;
+                                            } else {
+                                                delete($newtool{$newid}{'image'});
+                                            }
+                                        }
+                                    }
+                                    my $newusable;
+                                    if ($same_institution) {
+                                        my %oldtoolsenc = &Apache::lonnet::eget('nohist_toolsenc',[$oldtoolid],$oldcdom,$oldcnum);
+                                        if (ref($oldtoolsenc{$oldtoolid}) eq 'HASH') {
+                                            my %newtoolsenc;
+                                            %{$newtoolsenc{$newid}} = %{$oldtoolsenc{$oldtoolid}};
+                                            my $putres = &Apache::lonnet::put('nohist_toolsenc',\%newtoolsenc,$coursedom,$coursenum,1);
+                                            if ($putres eq 'ok') {
+                                                if (ref($updatetoolsenc) eq 'ARRAY') {
+                                                    my $newhome = &Apache::lonnet::homeserver($coursenum,$coursedom);
+                                                    unless (grep(/^\Q$newhome\E$/,@{$updatetoolsenc})) {
+                                                        push(@{$updatetoolsenc},$newhome);
+                                                    }
+                                                }
+                                                $newusable = 1;
+                                            }
+                                        }
+                                    }
+                                    if ($newtool{$newid}{'usable'}) {
+                                        unless ($newusable) {
+                                            delete($newtool{$newid}{'usable'});
+                                        }
+                                    }
+                                    my $putres = &Apache::lonnet::put('ltitools',\%newtool,$coursedom,$coursenum);
+                                    if ($putres eq 'ok') {
+                                        $contents{'id'} = "c$newid";
+                                        if (ref($updatetoolscache)) {
+                                            $$updatetoolscache ++;
+                                        }
+                                        if (ref($currltititles->{$title}) eq 'ARRAY') {
+                                            push(@{$currltititles->{$title}},$newid);
+                                        } else {
+                                            $currltititles->{$title} = [$newid];
+                                        }
+                                        if (ref($currltimax)) {
+                                            $$currltimax ++;
+                                        }
+                                    } else {
+                                        $toolcopyerror = 1;
+                                        $errtext = &mt('Unable to save external tool definition in Course Settings.');
+                                    }
+                                } else {
+                                    $toolcopyerror = 1;
+                                    $errtext = &mt('Unable to retrieve new tool ID when adding external tool definition to Course Settings.');
+                                }
+                            }
+                        }
+                    }
                     if (exists($contents{'uploaded.photourl'})) {
                         my $photo = $contents{'uploaded.photourl'};
                         my ($subdir,$fname) =
@@ -2316,13 +2592,40 @@ sub dbcopy {
                         }
                     }
                     $db_name =~ s{_\d*$ }{_$suffix}x;
-                    if (($prefix eq 'exttool') && ($dbref->{'delgradable'}) && ($contents{'gradable'})) {
-                        delete($contents{'gradable'});
+                    if ($prefix eq 'exttool') {
+                        unless ($toolcopyerror) {
+                            foreach my $key ('oldgradesecret','gradesecret','gradesecretdate','oldrostersecret','rostersecret','rostersecretdate') {
+                                if (exists($contents{$key})) {
+                                    delete($contents{$key});
+                                }
+                            }
+                            if ($dbref->{'delgradable'}) {
+                                if (exists($contents{'gradable'})) {
+                                    delete($contents{'gradable'});
+                                }
+                            }
+                            if ($toolpassback) {
+                                if ($contents{'gradable'}) {
+                                    my $gradesecret = UUID::Tiny::create_uuid_as_string(UUID_V4);
+                                    $contents{'gradesecret'} = $gradesecret;
+                                    $contents{'gradesecretdate'} = time;
+                                }
+                            }
+                            if ($toolroster) {
+                                my $rostersecret = UUID::Tiny::create_uuid_as_string(UUID_V4);
+                                $contents{'rostersecret'} = $rostersecret;
+                                $contents{'rostersecretdate'} = time;
+                            }
+                        }
                     }
-                    $result=&Apache::lonnet::put($db_name,\%contents,
-                                                 $coursedom,$coursenum);
-                    if ($result eq 'ok') {
-                        $url =~ s{/(\d*)/(smppg|bulletinboard|ext\.tool)$}{/$suffix/$2}x;
+                    if (($prefix eq 'exttool') && ($toolcopyerror)) {
+                        $result = 'error';
+                    } else {
+                        $result=&Apache::lonnet::put($db_name,\%contents,
+                                                     $coursedom,$coursenum);
+                        if ($result eq 'ok') {
+                            $url =~ s{/(\d*)/(smppg|bulletinboard|ext\.tool)$}{/$suffix/$2}x;
+                        }
                     }
                 }
                 if (($freedlock ne 'ok') && (ref($lockerrorsref) eq 'HASH')) {
@@ -2477,18 +2780,37 @@ sub contained_map_check {
             if ($token->[1] eq 'resource') {
                 next if ($token->[2]->{'type'} eq 'zombie');
                 my $ressrc = $token->[2]->{'src'};
-                if ($ressrc =~ m{^/adm/($match_domain)/$match_courseid/\d+/ext\.tool$}) {
-                    my $srcdom = $1;
+                if ($ressrc =~ m{^/adm/($match_domain)/($match_courseid)/(\d+)/ext\.tool$}) {
+                    my ($srcdom,$srcnum,$marker) = ($1,$2,$3);
                     unless ($srcdom eq $coursedom) {
                         $removefrommap->{$url}{$token->[2]->{'id'}} = $ressrc;
                         next;
                     }
+                    unless ($srcnum eq $coursenum) {
+                        my %toolsettings =
+                            &Apache::lonnet::dump('exttool_'.$marker,$srcdom,$srcnum);
+                        my %tooltypes = &Apache::loncommon::usable_exttools();
+                        if ((($toolsettings{'id'} =~ /^c\d+$/) && (!$tooltypes{'crs'})) ||
+                            (($toolsettings{'id'} =~ /^\d+$/) && (!$tooltypes{'dom'}))) {
+                            $removefrommap->{$url}{$token->[2]->{'id'}} = $ressrc;
+                            next;
+                        }
+                    }
                 } elsif ($folder =~ /^supplemental/) {
                     unless (&supp_pasteable($ressrc)) {
                         $removefrommap->{$url}{$token->[2]->{'id'}} = $ressrc;
                         next;
                     }
                 }
+                if ($ressrc =~ m{^/res/($match_domain)/($match_courseid)/}) {
+                    my ($srcdom,$srcnum) = ($1,$2);
+                    unless (($srcnum eq $coursenum) && ($srcdom eq $coursedom)) {
+                        if (&Apache::lonnet::is_course($srcdom,$srcnum)) {
+                            $removefrommap->{$url}{$token->[2]->{'id'}} = $ressrc;
+                            next;
+                        }
+                    }
+                }
                 if ($ressrc =~ m{^/(res|uploaded)/.+\.(sequence|page)$}) {
                     if ($1 eq 'uploaded') {
                         $hierarchy->{$url}{$token->[2]->{'id'}} = $ressrc;
@@ -2623,7 +2945,7 @@ sub url_paste_fixups {
                     if ($is_exttool) {
                         $exttoolchg = 1;
                     }
-                } elsif (($rem =~ m{\d+/ext\.tool$}) &&
+                } elsif (($is_exttool) &&
                          ($env{'form.docs.markedcopy_options'} ne 'move')) {
                     $dbcopies->{$oldurl}{$id}{'src'} = $ressrc;
                     $dbcopies->{$oldurl}{$id}{'cdom'} = $srcdom;
@@ -2683,7 +3005,9 @@ sub apply_fixups {
         $oldurl,$url,$caller) = @_;
     my (%rewrites,%zombies,%removefrommap,%removeparam,%dbcopies,%retitles,
         %params,%newsubdir,%before,%after,%copies,%docmoves,%mapmoves,@msgs,
-        %resdatacopy,%lockerrors,$lockmsg);
+        %resdatacopy,%lockerrors,$lockmsg,%currcrsltitools,$gotcrsltitools,
+        %currltititles,$currltimax);
+    $currltimax = 0;
     if (ref($updated) eq 'HASH') {
         if (ref($updated->{'rewrites'}) eq 'HASH') {
             %rewrites = %{$updated->{'rewrites'}};
@@ -2834,6 +3158,7 @@ sub apply_fixups {
                 }
             }
         }
+        my ($updatetoolscache,@updatetoolsenc,$same_institution,$checkedsameinst);
         foreach my $key (keys(%updates)) {
             my (%torewrite,%toretitle,%toremove,%remparam,%currparam,%zombie,%newdb);
             if (ref($rewrites{$key}) eq 'HASH') {
@@ -2854,10 +3179,63 @@ sub apply_fixups {
             if (ref($dbcopies{$key}) eq 'HASH') {
                 foreach my $idx (keys(%{$dbcopies{$key}})) {
                     if (ref($dbcopies{$key}{$idx}) eq 'HASH') {
+                        my $oldurl = $dbcopies{$key}{$idx}{'src'};
+                        my $oldcdom = $dbcopies{$key}{$idx}{'cdom'};
+                        my $oldcnum = $dbcopies{$key}{$idx}{'cnum'};
+                        my $oldmarker;
+                        if ($oldurl =~ m{^\Q/adm/$oldcdom/$oldcnum/\E(\d+)/ext\.tool$}) {
+                            $oldmarker = $1;
+                            unless (($gotcrsltitools) ||
+                                    (($oldcnum eq $cnum) && ($oldcdom eq $cdom))) {
+                                my %oldtoolsettings=&Apache::lonnet::dump('exttool_'.$oldmarker,$oldcdom,$oldcnum);
+                                if ($oldtoolsettings{'id'} =~ /^c\d+$/) {
+                                    unless ($gotcrsltitools) {
+                                        %currcrsltitools =
+                                            &Apache::lonnet::get_course_lti($cnum,$cdom,'consumer');
+                                        foreach my $item (sort(keys(%currcrsltitools))) {
+                                            if (ref($currcrsltitools{$item}) eq 'HASH') {
+                                                $currltimax ++;
+                                                if (ref($currltititles{$currcrsltitools{$item}{'title'}}) eq 'ARRAY') {
+                                                    push(@{$currltititles{$currcrsltitools{$item}{'title'}}},$item);
+                                                } else {
+                                                    $currltititles{$currcrsltitools{$item}{'title'}} = [$item];
+                                                }
+                                            }
+                                        }
+                                        $gotcrsltitools = 1;
+                                    }
+                                    unless ($checkedsameinst) {
+                                        my $primary_id = &Apache::lonnet::domain($cdom,'primary');
+                                        my $intdom = &Apache::lonnet::internet_dom($primary_id);
+                                        if ($intdom ne '') {
+                                            my $internet_names =
+                                                &Apache::lonnet::get_internet_names($Apache::lonnet::perlvar{'lonHostID'});
+                                            if (ref($internet_names) eq 'ARRAY') {
+                                                if (grep(/^\Q$intdom\E$/,@{$internet_names})) {
+                                                    $same_institution = 1;
+                                                }
+                                            }
+                                        }
+                                        $checkedsameinst = 1;
+                                    }
+                                }
+                            }
+                        }
                         my ($newurl,$result,$errtext) =
-                            &dbcopy($dbcopies{$key}{$idx},$cdom,$cnum,\%lockerrors);
+                            &dbcopy($dbcopies{$key}{$idx},$cdom,$cnum,\%lockerrors,\%currltititles,
+                                    \$currltimax,\@updatetoolsenc,\$updatetoolscache,$same_institution);
                         if ($result eq 'ok') {
                             $newdb{$idx} = $newurl;
+                            if ($newurl =~ /ext\.tool$/) {
+                                if ($torewrite{$idx} eq "/adm/$oldcdom/$oldcnum/$oldmarker/ext.tool") {
+                                    if ($newurl =~ m{^\Q/adm/$cdom/$cnum/\E(\d+)/ext.tool$}) {
+                                        my $newmarker = $1;
+                                        unless ($oldmarker eq $newmarker) {
+                                            $torewrite{$idx} = "/adm/$oldcdom/$oldcnum/$newmarker/ext.tool";
+                                        }
+                                    }
+                                }
+                            }
                         } elsif (ref($errors) eq 'HASH') {
                             $errors->{$key} = 1;
                         }
@@ -2996,6 +3374,10 @@ sub apply_fixups {
                 }
             }
         }
+        if (($updatetoolscache) || (@updatetoolsenc)) {
+            &update_ltitools_caches($cdom,$cnum,$updatetoolscache,
+                                    \@updatetoolsenc);
+        }
     }
     return ('ok',\@msgs,$lockmsg);
 }
@@ -3090,7 +3472,7 @@ sub update_parameter {
             my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
             $name=&LONCAPA::map::qtescape($name);
             $url=&LONCAPA::map::qtescape($url);
-            next unless ($name && $url);
+            next unless $url;
             my $is_map;
             if ($url =~ m{/uploaded/.+\.(page|sequence)$}) {
                 $is_map = 1;
@@ -3277,28 +3659,11 @@ sub editor {
         return $errtext if ($fatal);
     }
 
-    my (%supphidden,%suppids,$suppmapid);
-
     if ($#LONCAPA::map::order<1) {
 	my $idx=&LONCAPA::map::getresidx();
 	if ($idx<=0) { $idx=1; }
        	$LONCAPA::map::order[0]=$idx;
         $LONCAPA::map::resources[$idx]='';
-    } elsif ($supplementalflag && !$allowed) {
-        my ($supplemental) = &Apache::lonnet::get_supplemental($coursenum,$coursedom);
-        if (ref($supplemental) eq 'HASH') {
-            if (ref($supplemental->{'hidden'}) eq 'HASH') {
-                %supphidden = %{$supplemental->{'hidden'}};
-            }
-            if (ref($supplemental->{'ids'}) eq 'HASH') {
-                %suppids = %{$supplemental->{'ids'}};
-            }
-        }
-        if ($folder eq 'supplemental') {
-            $suppmapid = 0;
-        } elsif ($folder =~ /^supplemental_(\d+)$/) {
-            $suppmapid = $1;
-        }
     }
 
 # ------------------------------------------------------------ Process commands
@@ -3559,6 +3924,21 @@ sub editor {
         $r->print('</div>');
     }
 
+    if ((!$allowed) && ($folder =~ /^supplemental_\d+$/)) {
+        my ($supplemental) = &Apache::loncommon::get_supplemental($coursenum,$coursedom);
+        if (ref($supplemental) eq 'HASH') {
+            if ((ref($supplemental->{'hidden'}) eq 'HASH') &&
+                (ref($supplemental->{'ids'}) eq 'HASH')) {
+                if (ref($supplemental->{'ids'}->{"/uploaded/$coursedom/$coursenum/$folder.$container"}) eq 'ARRAY') {
+                    my $mapnum = $supplemental->{'ids'}->{"/uploaded/$coursedom/$coursenum/$folder.$container"}->[0];
+                    if ($supplemental->{'hidden'}->{$mapnum}) {
+                        $ishidden = 1;
+                    }
+                }
+            }
+        }
+    }
+
     my ($to_show,$output,@allidx,@allmapidx,%filters,%lists,%curr_groups);
     %filters =  (
                   canremove      => [],
@@ -3583,14 +3963,16 @@ sub editor {
         }
 
         if (($supplementalflag) && (!$allowed) && (!$env{'request.role.adv'})) {
-            next if ($supphidden{$suppmapid.':'.$res});
+            if (($ishidden) || ((&LONCAPA::map::getparameter($res,'parameter_hiddenresource'))[0]=~/^yes$/i)) {
+                $idx++;
+                next;
+            }
         }
         $output .= &entryline($idx,$name,$url,$folder,$allowed,$res,
                               $coursenum,$coursedom,$crstype,
                               $pathitem,$supplementalflag,$container,
                               \%filters,\%curr_groups,$ltitoolsref,$canedit,
-                              $isencrypted,$navmapref,$hostname,
-                              \%supphidden,\%suppids,$suppmapid);
+                              $isencrypted,$ishidden,$navmapref,$hostname);
         $idx++;
         $shown++;
     }
@@ -3720,7 +4102,7 @@ sub multiple_check_form {
     return unless (ref($listsref) eq 'HASH');
     my $disabled;
     unless ($canedit) {
-        $disabled = 'disabled="disabled"'; 
+        $disabled = ' disabled="disabled"';
     }
     my $output =
     '<form action="/adm/coursedocs" method="post" name="togglemult'.$caller.'">'.
@@ -3758,7 +4140,7 @@ sub multiple_check_form {
             '</label></span></td>'."\n".
             '<td class="LC_docs_entry_parameter">'.
             '<span class="LC_nobreak LC_docs_copy">'.
-            '<label><input type="checkbox" name="copyall" id="copyall" onclick="propagateState(this.form,'."'copy'".')"'. $disabled.' />'.&mt('Copy').
+            '<label><input type="checkbox" name="copyall" id="copyall" onclick="propagateState(this.form,'."'copy'".')"'.$disabled.' />'.&mt('Copy').
             '</label></span></td>'.
             '</tr></table>'."\n";
     }
@@ -3972,13 +4354,14 @@ sub is_supplemental_title {
 sub entryline {
     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum,$coursedom,
         $crstype,$pathitem,$supplementalflag,$container,$filtersref,$currgroups,
-        $ltitoolsref,$canedit,$isencrypted,$navmapref,$hostname,
-        $supphidden,$suppids,$suppmapid)=@_;
-    my ($foldertitle,$renametitle,$oldtitle);
+        $ltitoolsref,$canedit,$isencrypted,$ishidden,$navmapref,$hostname)=@_;
+    my ($foldertitle,$renametitle,$oldtitle,$encodedtitle);
     if (&is_supplemental_title($title)) {
 	($title,$foldertitle,$renametitle) = &Apache::loncommon::parse_supplemental_title($title);
+        $encodedtitle=$title;
     } else {
 	$title=&HTML::Entities::encode($title,'"<>&\'');
+        $encodedtitle=$title;
 	$renametitle=$title;
 	$foldertitle=$title;
     }
@@ -4205,6 +4588,7 @@ END
     my $ispage;
     my $containerarg;
     my $folderurl;
+    my $plainurl;
     if ($uploaded) {
         if (($extension eq 'sequence') || ($extension eq 'page')) {
             $url=~/\Q$coursenum\E\/([\/\w]+)\.\Q$extension\E$/;
@@ -4223,7 +4607,7 @@ END
                 $url='/adm/supplemental?';
             }
 	} else {
-	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
+	    $plainurl = $url;
 	}
     }
 
@@ -4273,7 +4657,7 @@ END
                     $nomodal = 1;
                 }
             }
-            my ($checkencrypt,$shownurl);
+            my $checkencrypt;
             if (!$env{'request.role.adv'}) {
                 if (((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i) ||
                     ($isencrypted) || (&Apache::lonnet::EXT('resource.0.encrypturl',$symb) =~ /^yes$/i)) {
@@ -4293,7 +4677,7 @@ END
                 my $currenc = $env{'request.enc'};
                 $env{'request.enc'} = 1;
                 $shownsymb = &Apache::lonenc::encrypted($symb);
-                $shownurl = &Apache::lonenc::encrypted($url);
+                my $shownurl = &Apache::lonenc::encrypted($url);
                 if (&Apache::lonnet::symbverify($symb,$url)) {
                     $url = $shownurl;
                 } else {
@@ -4308,7 +4692,8 @@ END
                         $url = &Apache::lonnet::clutter($url);
                     }
                 }
-                $shownurl = $url;
+            } else {
+                $url = '';
             }
             unless ($env{'request.role.adv'}) {
                 if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
@@ -4319,8 +4704,8 @@ END
                     $hiddenres = 1;
                 }
             }
-            if ($url ne '') {
-                $url = $shownurl.(($shownurl=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
+            if (($url ne '') && ($shownsymb ne '')) {
+                $url .= (($url=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
             }
 	}
     } elsif ($supplementalflag) {
@@ -4349,6 +4734,22 @@ END
                 }
                 $nomodal = 1;
             }
+        } elsif (($uploaded) && ($url ne '/adm/supplemental?') && ($url ne '/adm/coursedocs?')) {
+            my $embstyle=&Apache::loncommon::fileembstyle($extension);
+            unless ($embstyle eq 'ssi') {
+                if (($embstyle eq 'img')
+                 || ($embstyle eq 'emb')
+                 || ($embstyle eq 'wrp')) {
+                    $url='/adm/wrapper'.$url;
+                } elsif ($url !~ /\.(sequence|page)$/) {
+                    $url='/adm/coursedocs/showdoc'.$url;
+                }
+            }
+        }
+        unless ($allowed && $env{'request.role.adv'}) {
+            if ($ishidden || (&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+                $hiddenres = 1;
+            }
         }
     }
     my ($rand_pick_text,$rand_order_text,$hiddenfolder);
@@ -4360,10 +4761,8 @@ END
         if (!$allowed && $supplementalflag) {
             $folderpath.=$containerarg.'&'.$foldername;
             $url.='folderpath='.&escape($folderpath);
-            if (ref($supphidden) eq 'HASH') {
-                if ($supphidden->{$suppmapid.':'.$residx}) {
-                    $hiddenfolder = 1;
-                }
+            if ($ishidden || (&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+                $hiddenfolder = 1;
             }
         } else {
             my $rpicknum = (&LONCAPA::map::getparameter($orderidx,
@@ -4441,7 +4840,7 @@ $form_common."\n".
 '<span class="LC_nobreak"><label><input type="checkbox" name="randomorder_'.$orderidx.'" id="randomorder_'.$orderidx.'" onclick="checkForSubmit(this.form,'."'randomorder','settings'".');" '.$ro_set.$disabled.' /> '.&mt('Random Order').' </label></span>'.
 $form_end; 
         }
-    } elsif ($supplementalflag && !$allowed) {
+    } elsif ($supplementalflag) {
         my $isexttool;
         if ($url=~m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
             $url='/adm/wrapper'.$url;
@@ -4450,7 +4849,7 @@ $form_end;
         $url .= ($url =~ /\?/) ? '&amp;':'?';
         $url .= 'folderpath='.&HTML::Entities::encode($esc_path,'<>&"');
         if ($title) {
-            $url .= '&amp;title='.&HTML::Entities::encode($renametitle,'<>&"');
+            $url .= '&amp;title='.$encodedtitle;
         }
         if ((($isexternal) || ($isexttool)) && $orderidx) {
             $url .= '&amp;idx='.$orderidx;
@@ -4458,11 +4857,6 @@ $form_end;
         if ($anchor ne '') {
             $url .= '&amp;anchor='.&HTML::Entities::encode($anchor,'"<>&');
         }
-        if (ref($supphidden) eq 'HASH') {
-            if ($supphidden->{$suppmapid.':'.$residx}) {
-                $hiddenres = 1;
-            }
-        }
     }
     my ($tdalign,$tdwidth);
     if ($allowed) {
@@ -4509,7 +4903,7 @@ $form_end;
     } else {
         $reinit = &mt('(re-initialize course to access)');
     }
-    $line.='<td class="LC_docs_entry_commands"'.$tdalign.'><span class="LC_nobreak">'.$editlink.$renamelink;
+    $line.='<td class="LC_docs_entry_commands"'.$tdalign.'><span class="LC_nobreak">'.$editlink.$renamelink.'</span>';
     if ($orig_url =~ /$LONCAPA::assess_re/) {
         $line.= '<br />';
         if ($curralias ne '') {
@@ -4520,10 +4914,19 @@ $form_end;
                    $lt{'sa'}.'</a></span>';
         }
     }
-    $line.='</td><td>';
-    my $link;
+    $line.='</td><td><span class="LC_nobreak">';
+    my ($link,$nolink);
     if (($url=~m{/adm/(coursedocs|supplemental)}) || (!$allowed && $url)) {
-       $line.='<a href="'.$url.'"><img src="'.$icon.'" alt="" class="LC_icon" /></a>';
+        if ($allowed && !$env{'request.role.adv'} && !$isfolder && !$ispage) {
+            if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+                $nolink = 1;
+            }
+        }
+        if ($nolink) {
+            $line .= '<img src="'.$icon.'" alt="" class="LC_icon" /></a>';
+        } else {
+            $line.='<a href="'.$url.'"><img src="'.$icon.'" alt="" class="LC_icon" /></a>';
+        }
     } elsif ($url) {
        if ($anchor ne '') {
            if ($supplementalflag) {
@@ -4532,13 +4935,28 @@ $form_end;
                $anchor = '#'.&HTML::Entities::encode($anchor,'"<>&');
            }
        }
-       if ((!$supplementalflag) && ($nomodal) && ($hostname ne '')) {
+       if (($nomodal) && ($hostname ne '')) {
            $link = 'http://'.$hostname.$url;
        } else {
            $link = $url;
        }
-       $link = &js_escape($link.(($url=~/\?/)?'&amp;':'?').'inhibitmenu=yes'.$anchor);
-       if ($nomodal) {
+       my $inhibitmenu;
+       if ((($supplementalflag) && ($allowed) && ($url =~ m{^/adm/wrapper/})) ||
+           (($allowed) && (($url =~ m{^/adm/(viewclasslist|$match_domain/$match_username/aboutme)(\?|$)}) ||
+                           ($url =~ m{^/public/$match_domain/$match_courseid/syllabus(\?|$)})))) {
+           $inhibitmenu = 'only_body=1';
+       } else {
+           $inhibitmenu = 'inhibitmenu=yes';
+       }
+       $link = &js_escape($link.(($url=~/\?/)?'&amp;':'?').$inhibitmenu.$anchor);
+       if ($allowed && !$env{'request.role.adv'} && !$isfolder && !$ispage && !$uploaded) {
+           if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+               $nolink = 1;
+           }
+       }
+       if ($nolink) {
+           $line.='<img src="'.$icon.'" alt="" class="LC_icon" />';
+       } elsif ($nomodal) {
            $line.='<a href="#" onclick="javascript:window.open('."'$link','syllabuspreview','height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1')".'; return false;" />'.
                   '<img src="'.$icon.'" alt="" class="LC_icon" border="0" /></a>';
        } else {
@@ -4550,7 +4968,11 @@ $form_end;
     }
     $line.='</span></td><td'.$tdwidth.'>';
     if (($url=~m{/adm/(coursedocs|supplemental)}) || (!$allowed && $url)) {
-       $line.='<a href="'.$url.'">'.$title.'</a>';
+       if ($nolink) {
+           $line.=$title;
+       } else {
+           $line.='<a href="'.$url.'">'.$title.'</a>';
+       }
        if (!$allowed && $supplementalflag && $canedit && $isfolder) {
            my $editicon = &Apache::loncommon::lonhttpdurl('/res/adm/pages').'/editmap.png';
            my $editurl = $url;
@@ -4563,7 +4985,9 @@ $form_end;
            $line.= ' <span class="LC_warning">('.&mt('hidden').')</span> ';
        }
     } elsif ($url) {
-       if ($nomodal) {
+       if ($nolink) {
+           $line.=$title;
+       } elsif ($nomodal) {
            $line.='<a href="#" onclick="javascript:window.open('."'$link','syllabuspreview','height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1')".'; return false;" />'.
                   $title.'</a>';
        } else {
@@ -4582,6 +5006,11 @@ $form_end;
     $line .= '</td>';
     $rand_pick_text = '&nbsp;' if ($rand_pick_text eq '');
     $rand_order_text = '&nbsp;' if ($rand_order_text eq '');
+    if ($uploaded && $url && !$isfolder && !$ispage) {
+        if (($plainurl ne '') && ($env{'request.role.adv'} || $allowed || !$hiddenres)) {
+            &Apache::lonnet::allowuploaded('/adm/coursedoc',$plainurl);
+        }
+    }
     if ($allowed) {
         my %lt=&Apache::lonlocal::texthash(
                               'hd' => 'Hidden',
@@ -4589,7 +5018,7 @@ $form_end;
         my ($enctext,$hidtext,$formhidden,$formurlhidden);
         if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
             $hidtext = ' checked="checked"';
-            if (($ishash) && (ref($filtersref->{'randomorder'}) eq 'ARRAY')) {
+            if (($ishash) && (ref($filtersref->{'hiddenresource'}) eq 'ARRAY')) {
                 push(@{$filtersref->{'hiddenresource'}},$orderidx);
             }
         }
@@ -5463,7 +5892,9 @@ sub handler {
 	               'Load_Map','Supplemental','Score_Upload_Form',
 	               'Adding_Pages','Importing_LON-CAPA_Resource',
 	               'Importing_IMS_Course','Uploading_From_Harddrive',
-                       'Course_Roster','Web_Page','Dropbox','Simple_Problem') {
+                       'Course_Roster','Web_Page','Dropbox','Simple_Problem',
+                       'Standard_Problem','Course_Resources',
+                       'Search_LON-CAPA_Resource','Import_Stored_Links') {
 	$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
     }
     # Composite help files
@@ -5534,7 +5965,7 @@ sub handler {
       &init_breadcrumbs('versions','Check/Set Resource Versions','Docs_Check_Resource_Versions');
       &checkversions($r,$canedit);
   } elsif ($canedit && $env{'form.dumpcourse'}) {
-      &init_breadcrumbs('dumpcourse','Copy '.&Apache::loncommon::course_type().' Content to Authoring Space');
+      &init_breadcrumbs('dumpcourse','Copy uploaded content to Authoring Space');
       &dumpcourse($r);
   } elsif ($canedit && $env{'form.exportcourse'}) {
       &init_breadcrumbs('exportcourse','IMS Export');
@@ -5638,17 +6069,23 @@ sub handler {
     }
     if ($env{'form.forcesupplement'}) { $supplementalflag=1; }
     if ($env{'form.forcestandard'})   { $supplementalflag=0; }
-    unless ($allowed) { $supplementalflag=1; }
-    unless ($standard) { $supplementalflag=1; }
+    unless (($supplementalflag) ||
+            ($r->uri =~ m{^/adm/coursedocs/showdoc/uploaded/\Q$coursedom\E/\Q$coursenum\E/docs/})) {
+        unless ($allowed) { $supplementalflag=1; }
+        unless ($standard) { $supplementalflag=1; }
+    }
     my $toolsflag=0;
     if ($env{'form.tools'}) { $toolsflag=1; }
 
     if ($env{'form.folderpath'} ne '') {
-        &validate_folderpath($supplementalflag);
+        &Apache::loncommon::validate_folderpath($supplementalflag,$allowed,$coursenum,$coursedom);
     }
 
+    my $backto_supppath;
     if ($env{'form.supppath'} ne '') {
-        &validate_suppath();
+        if ($supplementalflag && $allowed) {
+            $backto_supppath = &validate_supppath($coursenum,$coursedom);
+        }
     }
 
     my $script='';
@@ -5658,6 +6095,7 @@ sub handler {
     my $containertag;
     my $pathitem;
     my %ltitools;
+    my $posslti;
     my $hiddentop;
     my $navmap;
     my $filterFunc = sub { my $res = shift; return (!$res->randomout() && !$res->is_map()) };
@@ -5669,10 +6107,10 @@ sub handler {
                &Apache::loncommon::symb_to_docspath($env{'form.symb'},\$navmap);
            &Apache::lonnet::appenv({'docs.exit.'.$env{'request.course.id'} =>
                $env{'form.command'}.'_'.$env{'form.symb'}});
-       } elsif ($env{'form.supppath'} ne '') {
+       } elsif (($env{'form.supppath'} ne '') && $supplementalflag && $allowed) {
            $env{'form.folderpath'}=$env{'form.supppath'};
            &Apache::lonnet::appenv({'docs.exit.'.$env{'request.course.id'} =>
-               $env{'form.command'}.'_'.$env{'form.supppath'}});
+               $env{'form.command'}.'_'.$backto_supppath});
        }
    } elsif ($env{'form.command'} eq 'editdocs') {
        $env{'form.folderpath'} = &default_folderpath($coursenum,$coursedom,\$navmap);
@@ -5708,12 +6146,12 @@ sub handler {
             undef($env{'form.folderpath'});
         }
         if ($env{'form.folderpath'} ne '') {
-            &validate_folderpath($supplementalflag);
+            &Apache::loncommon::validate_folderpath($supplementalflag,$allowed,$coursenum,$coursedom);
         }
     }
-   
-# If we are not allowed to make changes, all we can see are supplemental docs
-    if (!$allowed) {
+
+# Set folderpath if we are not allowed to make changes and this is supplemental content
+    if ((!$allowed) && ($supplementalflag)) {
         unless ($env{'form.folderpath'} =~ /^supplemental/) {
             $env{'form.folderpath'} = &supplemental_base();
         }
@@ -5724,10 +6162,10 @@ sub handler {
                                   .'&'.
                                   $env{'form.folderpath'};
     }
-# If allowed and user's role is not advanced check folderpath is not hidden  
-    if (($allowed) && (!$env{'request.role.adv'}) && 
-        ($env{'form.folderpath'} ne '') && (!$supplementalflag)) {
-        my $folderurl;
+# If allowed and user's role is not advanced check folderpath is not hidden
+    my $hidden_and_empty;
+    if (($allowed) && (!$env{'request.role.adv'}) && ($env{'form.folderpath'} ne '')) {
+        my ($folderurl,$foldername,$hiddenfolder);
         my @pathitems = split(/\&/,$env{'form.folderpath'});
         my $folder = $pathitems[-2];
         if ($folder eq '') {
@@ -5739,21 +6177,74 @@ sub handler {
             } else {
                 $folderurl .= '.sequence';
             }
-            unless (ref($navmap)) {
-                $navmap = Apache::lonnavmaps::navmap->new();
-            }
-            if (ref($navmap)) {
-                if (lc($navmap->get_mapparam(undef,$folderurl,"0.hiddenresource")) eq 'yes') {
-                    my @resources = $navmap->retrieveResources($folderurl,$filterFunc,1,1);
-                    unless (@resources) {
-                        undef($env{'form.folderpath'});
+            if ($supplementalflag) {
+                ($foldername,$hiddenfolder) = ($pathitems[-1] =~ /^([^:]*)::(|1):::$/);
+                $foldername = &HTML::Entities::decode(&unescape($foldername));
+                my ($supplemental) = &Apache::loncommon::get_supplemental($coursenum,$coursedom);
+                if (ref($supplemental) eq 'HASH') {
+                    my ($suppmap,$suppmapnum);
+                    if ($folder eq 'supplemental') {
+                        $suppmap = 'default';
+                        $suppmapnum = 0;
+                    } elsif ($folder =~ /^supplemental_(\d+)$/) {
+                        $suppmap = $1;
+                        $suppmapnum = $suppmap;
+                    }
+                    if ($hiddenfolder) {
+                        my $hascontent;
+                        foreach my $key (reverse(sort(keys(%{$supplemental->{'ids'}})))) {
+                            if ($key =~ m{^\Q/uploaded/$coursedom/$coursenum/supplemental/$suppmap/\E}) {
+                                $hascontent = 1;
+                            } elsif (ref($supplemental->{'ids'}->{$key}) eq 'ARRAY') {
+                                foreach my $id (@{$supplemental->{'ids'}->{$key}}) {
+                                    if ($id =~ /^$suppmapnum\:/) {
+                                        $hascontent = 1;
+                                        last;
+                                    }
+                                }
+                            }
+                            last if ($hascontent);
+                        }
+                        unless ($hascontent) {
+                            if ($foldername ne '') {
+                                $hidden_and_empty = $foldername;
+                            } else {
+                                $hidden_and_empty = $folder;
+                            }
+                        }
+                    }
+                }
+            } else {
+                unless (ref($navmap)) {
+                    $navmap = Apache::lonnavmaps::navmap->new();
+                }
+                ($foldername,$hiddenfolder) = ($pathitems[-1] =~ /^([^:]*):|\d+:|1:(|1):|1:|1$/);
+                $foldername = &HTML::Entities::decode(&unescape($foldername));
+                if (ref($navmap)) {
+                    if ($hiddenfolder ||
+                        (lc($navmap->get_mapparam(undef,$folderurl,"0.hiddenresource")) eq 'yes')) {
+                        my @resources = $navmap->retrieveResources($folderurl,$filterFunc,1,1);
+                        unless (@resources) {
+                            if ($foldername ne '') {
+                                $hidden_and_empty = $foldername;
+                            } else {
+                                $hidden_and_empty = $folder;
+                            }
+                        }
                     }
                 }
             }
+            if ($hidden_and_empty ne '') {
+                splice(@pathitems,-2);
+                if (@pathitems) {
+                    $env{'form.folderpath'} = join('&',@pathitems);
+                } else {
+                    undef($env{'form.folderpath'});
+                }
+            }
         }
     }
 
-
 # If after all of this, we still don't have any paths, make them
     unless ($env{'form.folderpath'}) {
        if ($supplementalflag) {
@@ -5838,8 +6329,19 @@ sub handler {
                 }
             }
             my $tabidstr = join("','",@tabids);
-            %ltitools = &Apache::lonnet::get_domain_lti($coursedom,'consumer');
-            my $posslti = keys(%ltitools);
+            my (%domtools,%crstools);
+            my %tooltypes = &Apache::loncommon::usable_exttools();
+            if ($tooltypes{'dom'}) {
+                %domtools = &Apache::lonnet::get_domain_lti($coursedom,'consumer');
+            }
+            if ($tooltypes{'crs'}) {
+                %crstools = &Apache::lonnet::get_course_lti($coursenum,$coursedom,'consumer');
+            }
+            %ltitools = (
+                          dom => \%domtools,
+                          crs => \%crstools,
+                        );
+            $posslti = scalar(keys(%domtools)) + scalar(keys(%crstools));
             my $hostname = $r->hostname();
 	    $script .= &editing_js($udom,$uname,$supplementalflag,$coursedom,$coursenum,$posslti,
                                    $londocroot,$canedit,$hostname,\$navmap).
@@ -5847,8 +6349,14 @@ sub handler {
                        &inject_data_js().
                        &Apache::lonhtmlcommon::resize_scrollbox_js('docs',$tabidstr,$tid).
                        &Apache::lonextresedit::extedit_javascript(\%ltitools);
+            my $onload = "javascript:resize_scrollbox('contentscroll','1','1');";
+            if ($hidden_and_empty ne '') {
+                my $alert = &mt("Additional privileges required to edit empty and hidden folder: '[_1]'",
+                                $hidden_and_empty);
+                $onload .= "javascript:alert('".&js_escape($alert)."');";
+            }
             $addentries = {
-                            onload   => "javascript:resize_scrollbox('contentscroll','1','1');",
+                            onload => $onload,
                           };
         }
         $script .= &paste_popup_js(); 
@@ -5872,8 +6380,10 @@ sub handler {
     if ($showdoc) {
         my $args;
         if ($supplementalflag) {
-            my $brcrum = &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$env{'form.title'},1);
-            $args = {'bread_crumbs' => $brcrum};
+            my $title = &HTML::Entities::encode($env{'form.title'},'\'"<>&');
+            my $brcrum = &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
+            $args = {'bread_crumbs' => $brcrum,
+                     'bread_crumbs_nomenu' => 1};
         } else {
             $args = {'force_register' => $showdoc};
         }
@@ -5902,8 +6412,13 @@ sub handler {
             }
         }
         my $brcrum = &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype);
+        my $args = {'bread_crumbs' => $brcrum};
+        unless (($env{'form.folderpath'} eq '') ||
+                ($env{'form.folder'} eq 'supplemental')) {
+            $args->{'bread_crumbs_nomenu'} = 1;
+        }
         $r->print(&Apache::loncommon::start_page("Supplemental $crstype Content",undef,
-                                                {'bread_crumbs' => $brcrum,}));
+                                                 $args));
     } else {
         my ($breadtext,$breadtitle,$helpitem);
         $breadtext = "$crstype Editor";
@@ -5931,6 +6446,7 @@ sub handler {
   my %codebase = ();
   my ($upload_result,$upload_output,$uploadphase);
   if ($canedit) {
+      undef($suppchanges);
       if (($env{'form.uploaddoc.filename'}) &&
 	  ($env{'form.cmd'}=~/^upload_(\w+)/)) {
           my $context = $1; 
@@ -5942,6 +6458,10 @@ sub handler {
 	  if ($hadchanges) {
 	      &mark_hash_old();
 	  }
+          if ($suppchanges) {
+              &Apache::lonnet::update_supp_caches($coursedom,$coursenum);
+              undef($suppchanges);
+          }
           $r->print($upload_output);
       } elsif ($env{'form.phase'} eq 'upload_embedded') {
           # Process file upload - phase two - upload embedded objects 
@@ -5983,7 +6503,7 @@ sub handler {
 
   if ($allowed && $toolsflag) {
       $r->print(&startContentScreen('tools'));
-      $r->print(&generate_admin_menu($crstype,$canedit));
+      $r->print(&generate_admin_menu($crstype,$canedit,$coursenum,$coursedom));
       $r->print(&endContentScreen());
   } elsif ((!$showdoc) && (!$uploadphase)) {
 # -----------------------------------------------------------------------------
@@ -5991,8 +6511,8 @@ sub handler {
 		'copm' => 'All documents out of a published map into this folder',
                 'upfi' => 'Upload File',
                 'upld' => 'Upload Content',
-                'srch' => 'Search',
-                'impo' => 'Import',
+                'srch' => 'Search Repository',
+                'impo' => 'Import from Repository',
 		'lnks' => 'Import from Stored Links',
                 'impm' => 'Import from Assembled Map',
                 'imcr' => 'Import from Course Resources',
@@ -6010,6 +6530,7 @@ sub handler {
                 'stpr' => 'Standard Problem',
                 'news' => 'New sub-directory',
                 'crpr' => 'Create Problem',
+                'swit' => 'Switch Server',
                 'drbx' => 'Drop Box',
                 'scuf' => 'External Scores (handgrade, upload, clicker)',
                 'bull' => 'Discussion Board',
@@ -6030,6 +6551,7 @@ sub handler {
                 'dire' => 'Directory:',
                 'cate' => 'Category:',
                 'tmpl' => 'Template:',
+                'empd' => 'No resources found',
                 'comment' => 'Comment',
                 'parse' => 'Upload embedded images/multimedia files if HTML file',
                 'bb5'      => 'Blackboard 5',
@@ -6079,10 +6601,7 @@ sub handler {
 	my $fileupload=(<<FIUP);
         $quotainfo
 	$lt{'file'}:<br />
-	<input type="file" name="uploaddoc" class="LC_flUpload" size="40" $disabled />
-        <input type="hidden" id="LC_free_space" value="$free_space" />
 FIUP
-
 	my $checkbox=(<<CHBO);
 	<!-- <label>$lt{'parse'}?
 	<input type="checkbox" name="parserflag" />
@@ -6102,6 +6621,8 @@ CHBO
         <fieldset id="uploadimsform" style="display: none;">
         <legend>$lt{'imsf'}</legend>
         $fileupload
+        <input type="file" name="uploaddoc" id="uploaddocims" class="LC_flUpload LC_uploaddoc" size="40" $disabled />
+        <input type="hidden" id="LC_free_space_ims" value="$free_space" />
         <br />
         <p>
         $lt{'cms'}:&nbsp; 
@@ -6128,6 +6649,8 @@ IMSFORM
         <legend>$lt{'upfi'}</legend>
 	<input type="hidden" name="active" value="aa" />
     $fileupload
+        <input type="file" name="uploaddoc" class="LC_flUpload" size="40" $disabled />
+        <input type="hidden" id="LC_free_space" value="$free_space" />
 	<br />
 	$lt{'title'}:<br />
 	<input type="text" size="60" name="comment" $disabled />
@@ -6166,28 +6689,45 @@ FUFORM
         </form>
 
 SEDFFORM
-        my $importcrsresform;
-        my ($numdirs,$pickfile) = 
-            &Apache::loncommon::import_crsauthor_form('crsresimportform','coursepath','coursefile',
-                                                      "resize_scrollbox('contentscroll','1','0');",
-                                                      undef,'res');
-        if ($pickfile) {
-            $importcrsresform=(<<CRSFORM);
-        <a class="LC_menubuttons_link" href="javascript:toggleImportCrsres('res','$numdirs');">
+        my ($importcrsresform,$checkcrsres);
+        if ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.crsauthor'}) {
+            $checkcrsres = 1;
+        } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.crsauthor'} ne '0') {
+            my %domdefs=&Apache::lonnet::get_domain_defaults($coursedom);
+            if ($domdefs{'crsauthor'}) {
+                $checkcrsres = 1;
+            }
+        }
+        if ($checkcrsres) {
+            my ($numdirs,$pickfile) = 
+                &Apache::loncommon::import_crsauthor_form('coursepath','coursefile',
+                                                          "resize_scrollbox('contentscroll','1','0');",
+                                                          undef,'res');
+            if ($pickfile) {
+                $importcrsresform=(<<CRSFORM);
+        <a class="LC_menubuttons_link" href="javascript:toggleImportCrsres('res');">
         $lt{'imcr'}</a>$help{'Course_Resources'}
         <form action="/adm/coursedocs" method="post" name="crsresimportform" onsubmit="return validImportCrsRes();">
         <fieldset id="importcrsresform" style="display: none;">
         <legend>$lt{'imcr'}</legend>
+        <div id="importcrsrescontent" style="display: none;">
         <input type="hidden" name="active" value="bb" />
         $pickfile
         <p>
-        $lt{'title'}: <input type="textbox" name="crsrestitle" value="" $disabled />
+        $lt{'title'}: <input type="text" name="crsrestitle" value="" $disabled />
         </p>
         <input type="hidden" name="importdetail" value="" />
-        <input type="submit" name="crsres" value="$lt{'impo'}" $disabled />
+        <input type="submit" name="crsres" value="$lt{'impo'}" $disabled /><br />
+        </div>
+        <div id="importcrsresempty" style="display: none;">
+        <p>
+        $lt{'empd'}
+        </p>
+        </div>
         </fieldset>
         </form>
 CRSFORM
+            }
         }
 
         my $fromstoredjs;
@@ -6198,13 +6738,13 @@ CRSFORM
         }
 
 	my @importpubforma = (
-	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/src.png" alt="'.$lt{srch}.'"  onclick="javascript:groupsearch()" />' => $pathitem."<a class='LC_menubuttons_link' href='javascript:groupsearch()'>$lt{'srch'}</a>" },
+	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/src.png" alt="'.$lt{srch}.'"  onclick="javascript:groupsearch()" />' => $pathitem."<a class='LC_menubuttons_link' href='javascript:groupsearch()'>$lt{'srch'}</a>$help{'Search_LON-CAPA_Resource'}" },
 	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/res.png" alt="'.$lt{impo}.'"  onclick="javascript:groupimport();"/>' => "<a class='LC_menubuttons_link' href='javascript:groupimport();'>$lt{'impo'}</a>$help{'Importing_LON-CAPA_Resource'}" },
-	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/wishlist.png" alt="'.$lt{lnks}.'" onclick="javascript:'.$fromstoredjs.';" />' => '<a class="LC_menubuttons_link" href="javascript:'.$fromstoredjs.';">'.$lt{'lnks'}.'</a>' },
+	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/wishlist.png" alt="'.$lt{lnks}.'" onclick="javascript:'.$fromstoredjs.';" />' => '<a class="LC_menubuttons_link" href="javascript:'.$fromstoredjs.';">'.$lt{'lnks'}.'</a>'.$help{'Import_Stored_Links'} },
         { '<img class="LC_noBorder LC_middle" src="/res/adm/pages/sequence.png" alt="'.$lt{impm}.'" onclick="javascript:toggleMap(\'map\');" />' => $importpubform },
         );
-        if ($pickfile) {
-            push(@importpubforma,{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/res.png" alt="'.$lt{imcr}.'"  onclick="javascript:toggleImportCrsres(\'res\','."'$numdirs'".');"/>' => $importcrsresform});
+        if ($importcrsresform) {
+            push(@importpubforma,{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/impcrsau.png" alt="'.$lt{imcr}.'"  onclick="javascript:toggleImportCrsres(\'res\');" />' => $importcrsresform});
 	}
 	$importpubform = &create_form_ul(&create_list_elements(@importpubforma));
         my $extresourcesform =
@@ -6404,136 +6944,66 @@ NROSTFORM
         $help{'Web_Page'}
         </form>
 NWEBFORM
-
+        my $showpath = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
         my @ids=&Apache::lonnet::current_machine_ids();
-        my %select_menus;
-        my $numauthor = 0;
-        my $numcrsdirs = 0;
-        my $toppath = "/priv/$env{'user.domain'}/$env{'user.name'}"; 
+        my $machines_str = "'".join("','",@ids)."'";
+        my (%is_home,%toppath,$rolehomes);
         if ($env{'user.author'}) {
-            $numauthor ++;
-            $select_menus{'author'}->{'text'} = &Apache::lonnet::plaintext('au');
             if (grep(/^\Q$env{'user.home'}\E$/,@ids)) {
-                my $is_home = 1;
-                my %subdirs;
-                &Apache::lonnet::recursedirs($is_home,'priv',$londocroot,$toppath,'',\%subdirs);
-                $select_menus{'author'}->{'default'} = '/'; 
-                $select_menus{'author'}->{'select2'}->{'/'} = '/';
-                my @ordered = ('/');
-                foreach my $relpath (sort { lc($a) cmp lc($b) } (keys(%subdirs))) {
-                    $select_menus{'author'}->{'select2'}->{$relpath} = $relpath;
-                    push(@ordered,$relpath);
-                }
-                $select_menus{'author'}->{'order'} = \@ordered;
-            } else {
-                $select_menus{'author'}->{'select2'}->{'switch'} = &mt('Switch server required');
-                $select_menus{'author'}->{'default'} = 'switch';
-                $select_menus{'author'}->{'order'} = ['switch'];
+                $is_home{'author'} = 1;
             }
+            $rolehomes = '<input type="hidden" id="rolehome_author" name="rolehome_author" value="'.$env{'user.home'}.'" />'."\n";
         }
         my %roleshash = &Apache::lonnet::get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',
                                                       ['active'],['ca','aa']);
-        my $crshome = $env{'course.'.$env{'request.course.id'}.'.home'};
         my %by_roletype;
         if (keys(%roleshash)) {
             foreach my $entry (keys(%roleshash)) {
                 my ($auname,$audom,$roletype) = split(/:/,$entry);
                 my $key = $entry;
                 $key =~ s/:/___/g;
-                $by_roletype{$roletype}{$auname.'___'.$audom} = 1;
-                $select_menus{$key}->{'text'} = &Apache::lonnet::plaintext($roletype)." ($audom/$auname)";
+                my $author = $auname.'___'.$audom;
+                $by_roletype{$roletype}{$author} = 1;
                 my $rolehome = &Apache::lonnet::homeserver($auname,$audom);
-                if (grep(/^\Q$rolehome\E$/,@ids)) {    
-                    my $is_home = 1;
-                    my (%subdirs,@ordered);
-                    my $toppath="/priv/$audom/$auname";
-                    &Apache::lonnet::recursedirs($is_home,'priv',$londocroot,$toppath,'',\%subdirs);
-                    $select_menus{$key}->{'default'} = '/';
-                    $select_menus{$key}->{'select2'}->{'/'} = '/';
-                    my @ordered = ('/');
-                    foreach my $relpath (sort { lc($a) cmp lc($b) } (keys(%subdirs))) {
-                        $select_menus{$key}->{'select2'}->{$relpath} = $relpath;
-                        push(@ordered,$relpath);
-                    }
-                    $select_menus{$key}->{'order'} = \@ordered;
-                } else {
-                    $select_menus{$key}->{'select2'}->{'switch'} = &mt('Switch server required');
-                    $select_menus{$key}->{'default'} = 'switch';
-                    $select_menus{$key}->{'order'} = ['switch'];
-                }
-                $numauthor ++;
-            }
-        }
-        my ($pickdir,$showtitle);
-        if ($numauthor) {
-            my @order;
-            my $defrole;
-            if ($env{'user.author'}) {
-                push(@order,'author');
-                $defrole = 'author';
-            }
-            if (keys(%by_roletype)) {
-                foreach my $possrole ('ca','aa') {
-                    if (ref($by_roletype{$possrole}) eq 'HASH') {
-                        foreach my $author (sort { lc($a) cmp lc($b) } (keys(%{$by_roletype{$possrole}}))) {
-                            unless ($defrole) {
-                                $defrole = $author;
-                            }
-                            push(@order,$author.'___'.$possrole);
-                        }
-                    }
+                $toppath{$author} = "/priv/$audom/$auname";
+                if (grep(/^\Q$rolehome\E$/,@ids)) {
+                    $is_home{$author} = 1;
                 }
+                $rolehomes .= '<input type="hidden" id="rolehome_coauthor_'.$roletype.'_'.$audom.'/'.$auname.'" '.
+                              'name="rolehome_coauthor" value="'.$roletype.'='.$audom.'/'.$auname.'='.$rolehome.'" />'."\n";
             }
-            $select_menus{'course'}->{'text'} = &mt('Course Resource');
-            if (grep(/^\Q$crshome\E$/,@ids)) {
-                my $is_home = 1;
-                my %subdirs;
-                my $toppath="/priv/$coursedom/$coursenum";
-                &Apache::lonnet::recursedirs($is_home,'priv',$londocroot,$toppath,'',\%subdirs);
-                $numcrsdirs = keys(%subdirs);
-                $select_menus{'course'}->{'default'} = '/';
-                $select_menus{'course'}->{'select2'}->{'/'} = '/';
-                my @ordered = ('/');
-                foreach my $relpath (sort { lc($a) cmp lc($b) } (keys(%subdirs))) {
-                    $select_menus{'course'}->{'select2'}->{$relpath} = $relpath;
-                    push(@ordered,$relpath);
-                }
-                $select_menus{'course'}->{'order'} = \@ordered;
-            } else {
-                $select_menus{'course'}->{'select2'}->{'switch'} = &mt('Switch server required');
-                $select_menus{'course'}->{'default'} = 'switch';
-                $select_menus{'course'}->{'order'} = ['switch'];
-            }
-            push(@order,'course');
-            $pickdir = $lt{'loca'}.
-                       &Apache::loncommon::linked_select_forms('courseresform','<br />'.$lt{'dire'},
-                                                               $defrole,'authorrole','authorpath',
-                                                               \%select_menus,\@order,'toggleCrsResTitle();',
-                                                               '','priv').'<br />';
-            $showtitle = 'none';
-        } else {
-            my $is_home;
-            $showtitle = 'inline';
-            if (grep(/^\Q$crshome\E$/,@ids)) {
-                $is_home = 1;
-                $pickdir .= '<input type="hidden" name="authorrole" value="course" />'; 
-                my $toppath="/priv/$coursedom/$coursenum'}";
-                my %subdirs;
-                &Apache::lonnet::recursedirs($is_home,'priv',$londocroot,$toppath,'',\%subdirs);
-                $numcrsdirs = keys(%subdirs); 
-                if ($numcrsdirs) {
-                    $pickdir .= &mt('Directory: ').'<select name="authorpath">'."\n".
-                                 '<option value="/">/</option>'."\n";
-                    foreach my $key (sort { lc($a) cmp lc($b) } (keys(%subdirs))) {
-                        $pickdir .= '<option value="'.$key.'">'.$key.'</option>'."\n";
+        }
+        my $crshome = $env{'course.'.$env{'request.course.id'}.'.home'};
+        if (grep(/^\Q$crshome\E$/,@ids)) {
+            $is_home{'course'} = 1;
+        }
+        $rolehomes .= '<input type="hidden" id="rolehome_course" name="rolehome_course" value="'.$crshome.'" />'."\n";
+        my $pickdir = $lt{'loca'}.
+                   '<select name="authorrole" onchange="populateDirSelects(this.form,'."'authorrole','authorpath'".',1,1,0);">'."\n".
+                   '<option value="" selected="selected">'.&mt('Select').'</option>'."\n";
+        if ($env{'user.author'}) {
+            $pickdir .= '<option value="author">'.&Apache::lonnet::plaintext('au').'</option>'."\n";
+        }
+        if (keys(%by_roletype)) {
+            foreach my $possrole ('ca','aa') {
+                if (ref($by_roletype{$possrole}) eq 'HASH') {
+                    my $roletitle = &Apache::lonnet::plaintext($possrole);
+                    foreach my $author (sort { lc($a) cmp lc($b) } (keys(%{$by_roletype{$possrole}}))) {
+                        my ($none,$where,$auname,$audom) = split(/\//,$toppath{$author});
+                        $pickdir .= '<option value="'.$author.'___'.$possrole.'">'.
+                                     $roletitle." ($audom/$auname)</option>\n";
                     }
-                    $pickdir .= '</select>';
-                } else {
-                    $pickdir .= '<input type="hidden" name="authorpath" value="/" />'."\n";   
                 }
             }
         }
-
+        if ($checkcrsres) {
+            $pickdir .= '<option value="course">'.&mt('Course Resource').'</option>'."\n";
+        }
+        $pickdir .= '</select><br />'."\n".
+                    $lt{'dire'}.
+                    '<select name="authorpath" onchange="toggleCrsResTitle();">'.
+                    '<option value=""></option>'.
+                    '</select><br />'."\n";
         my %seltemplate_menus;
         my @files = &Apache::lonhomework::get_template_list('problem');
         my @noexamplelink = ('blank.problem','blank.library','script.library');
@@ -6573,16 +7043,21 @@ NWEBFORM
                                                                 "resize_scrollbox('contentscroll','1','0');",
                                                                 "toggleExampleText();",'template').'<br />';
         my $templatepreview =  '<a href="#" target="sample" onclick="javascript:getExample(600,420,\'yes\',true);  return false;">'.
-                               '<span id="newresexample">'.&mt('Example').'<span></a>';
-        my $crsresform=(<<RESFORM);
-        <a class="LC_menubuttons_link" href="javascript:toggleCrsRes('res','$numauthor','$numcrsdirs');">
-        $lt{'stpr'}</a>$help{'Course_Resource'}
+                               '<span id="newresexample">'.&mt('Example').'</span></a>';
+        my $crsresform;
+        if (($env{'user.author'}) || ($checkcrsres)) {
+            $crsresform=(<<RESFORM);
+        <a class="LC_menubuttons_link" href="javascript:toggleCrsRes('res');">
+        $lt{'stpr'}</a>$help{'Standard_Problem'}
         <form action="/adm/coursedocs" method="post" name="courseresform">
         <fieldset id="crsresform" style="display:none;">
         <legend>$lt{'stpr'}</legend>
         <input type="hidden" name="active" value="bb" />
         <p>
         $pickdir
+        </p>
+        <div id="newstdproblem" style="display:none;">
+        <p>
         <span class="LC_nobreak">$lt{'news'}?&nbsp;
         <label><input type="radio" name="newsubdir" value="0" onclick="toggleNewsubdir(this.form);" checked="checked" $disabled />No</label>
         &nbsp;
@@ -6590,10 +7065,11 @@ NWEBFORM
         </span><span id="newsubdir"></span>
         <input type="hidden" name="newsubdirname" id="newsubdirname" value="" autocomplete="off" />
         </p>
+        </div>
         $lt{'fnam'}
         <input type="text" size="20" name="newresourcename" autocomplete="off" $disabled />
+        <div id="newresource" style="display:none">
         <p>
-        <div id="newresource" style="display:$showtitle">
         $lt{'addp'}
         <label><input type="radio" name="newresourceadd" value="0" checked="checked" onclick="toggleNewInCourse(this.form);" $disabled />
         $lt{'no'}</label>&nbsp;&nbsp;
@@ -6601,27 +7077,32 @@ NWEBFORM
         $lt{'yes'}</label>
         <span id="newrestitle"></span>
         <input type="hidden" size="20" name="newresourcetitle" id="newresourcetitle" autocomplete="off" $disabled />
-        </div>
         </p>
+        </div>
         <p>
         $lt{'uste'}
         <label><input type="radio" name="newresusetemp" value="0" checked="checked" onclick="toggleWithTemplate(this.form);" $disabled />
         $lt{'no'}</label>&nbsp;&nbsp;
         <label><input type="radio" name="newresusetemp" value="1" onclick="toggleWithTemplate(this.form);" $disabled />
         $lt{'yes'}</label>
+        </p>
         <div id="newrestemplate" style="display:none">
         $templates
         $templatepreview
         </div>
-        </p>
         <span class="LC_nobreak">
-        <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
+        <input type="hidden" name="folderpath" value="$showpath" />
         <input type="submit" name="newcrs" value="$lt{'crpr'}" $disabled />
         </span>
+        <div id="stdprobswitch" style="display:none;">
+        $rolehomes
+        <input type="button" name="switchfornewprob" value="$lt{'swit'}" onclick="switchForProb();" />
+        </div>
         </fieldset>
         </form>
 
 RESFORM
+        }
 
 my $specialdocumentsform;
 my @specialdocumentsforma;
@@ -6694,7 +7175,7 @@ NGFFORM
         my @external = (
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="toggleExternal(\'ext\');" />'=>$extresourcesform}
         );
-        if (keys(%ltitools)) {
+        if ($posslti) {
             push(@external,
                  {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/exttool.png" alt="'.$lt{extt}.'" onclick="toggleExternal(\'tool\');" />'=>$exttoolform},
             );
@@ -6715,9 +7196,13 @@ NGFFORM
         @gradingforma=(
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simpprob.png" alt="'.$lt{sipr}.'" onclick="javascript:makesmpproblem();" />'=>$newsmpproblemform},
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/dropbox.png" alt="'.$lt{drbx}.'" onclick="javascript:makedropbox();" />'=>$newdropboxform},
-        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/scoreupfrm.png" alt="'.$lt{scuf}.'" onclick="javascript:makeexamupload();" />'=>$newexuploadform},
-        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simpprob.png" alt="'.$lt{stpr}.'" onclick="javascript:toggleCrsRes(\'res\','."'$numauthor','$numcrsdirs'".');" />'=>$crsresform},
+        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/scoreupfrm.png" alt="'.$lt{scuf}.'" onclick="javascript:makeexamupload();" />'=>$newexuploadform}
         );
+        if ($crsresform) {
+            push(@gradingforma,
+                 {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simpprob.png" alt="'.$lt{stpr}.'" onclick="javascript:toggleCrsRes(\'res\');" />'=>$crsresform}
+            );
+        }
         $gradingform = &create_form_ul(&create_list_elements(@gradingforma));
 
         @communityforma=(
@@ -6731,9 +7216,9 @@ NGFFORM
 
 my %orderhash = (
                 'aa' => ['Upload',$fileuploadform],
-                'bb' => ['Import',$importpubform],
-                'cc' => ['External',$externalform],
-                'dd' => ['Grading',$gradingform],
+                'bb' => ['External',$externalform],
+                'cc' => ['Import',$importpubform],
+                'dd' => ['Assessment',$gradingform],
                 'ff' => ['Other',$specialdocumentsform],
                 );
 unless ($container eq 'page') {
@@ -6766,7 +7251,7 @@ unless ($container eq 'page') {
        unless ($supplementalflag) {
 	   $folder='supplemental';
        }
-       if ($folder =~ /^supplemental$/ &&
+       if (($folder eq 'supplemental') &&
 	   (($env{'form.folderpath'} =~ /^default\&/) || ($env{'form.folderpath'} eq ''))) {
           $env{'form.folderpath'} = &supplemental_base();
        } elsif ($allowed) {
@@ -6786,6 +7271,8 @@ unless ($container eq 'page') {
         <legend>$lt{'upfi'}</legend>
 	<input type="hidden" name="active" value="ee" />
 	$fileupload
+        <input type="file" name="uploaddoc" id="uploaddocsupp" class="LC_flUpload LC_uploaddoc" size="40" $disabled />
+        <input type="hidden" id="LC_free_space_supp" value="$free_space" />
 	<br />
 	<br />
 	<span class="LC_nobreak">
@@ -6798,6 +7285,7 @@ unless ($container eq 'page') {
 	$pathitem
 	<input type="hidden" name="cmd" value="upload_supplemental" />
         <input type='submit' value="$lt{'upld'}" />
+        </fieldset>
         </form>
 SUPDOCFORM
 
@@ -6877,7 +7365,7 @@ my @specialdocs = (
         my @supexternal = (
             {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="javascript:toggleExternal(\'suppext\')" />'
              =>$supextform});
-        if (keys(%ltitools)) {
+        if ($posslti) {
             push(@supexternal,
                  {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/exttool.png" alt="'.$lt{extt}.'" onclick="javascript:toggleExternal(\'supptool\')" />'
             =>$supexttoolform});
@@ -6903,25 +7391,7 @@ my %suporderhash = (
                 $r->print('<p><span class="LC_error">'.$error.'</span></p>');
             }
             if ($suppchanges) {
-                my %servers = &Apache::lonnet::internet_dom_servers($coursedom);
-                my @ids=&Apache::lonnet::current_machine_ids();
-                foreach my $server (keys(%servers)) {
-                    next if (grep(/^\Q$server\E$/,@ids));
-                    my $hashid=$coursenum.':'.$coursedom;
-                    my $cachekey = &escape('showsupp').':'.&escape($hashid);
-                    &Apache::lonnet::remote_devalidate_cache($server,[$cachekey]);
-                }
-                &Apache::lonnet::has_unhidden_suppfiles($coursenum,$coursedom,1);
-                &Apache::lonnet::count_supptools($coursenum,$coursedom,1);
-                my $now = time;
-                if ($env{'request.course.id'} eq $coursedom.'_'.$coursenum) {
-                    &Apache::lonnet::appenv({'request.course.suppupdated' => $now});
-                }
-                &Apache::lonnet::put('environment',{'internal.supplementalchange' => $now},
-                                     $coursedom,$coursenum);
-                &Apache::lonnet::appenv(
-                    {'course.'.$coursedom.'_'.$coursenum.'.internal.supplementalchange' => $now});
-                &Apache::lonnet::do_cache_new('suppchange',$coursedom.'_'.$coursenum,$now,600);
+                &Apache::lonnet::update_supp_caches($coursedom,$coursenum);
                 undef($suppchanges);
             }
         }
@@ -7092,6 +7562,10 @@ sub remove_archive {
             if ($url eq $env{'form.archiveurl'}) {
                 if (&handle_edit_cmd($docuname,$docudom)) {
                     ($errtext,$fatal) = &storemap($docuname,$docudom,$map,1);
+                    if ($suppchanges) {
+                        &Apache::lonnet::update_supp_caches($docudom,$docuname);
+                        undef($suppchanges);
+                    }
                     if ($fatal) {
                         if ($container eq 'page') {
                             $delwarning = &mt('An error occurred updating the contents of the current page.');
@@ -7123,7 +7597,7 @@ sub remove_archive {
 }
 
 sub generate_admin_menu {
-    my ($crstype,$canedit) = @_;
+    my ($crstype,$canedit,$coursenum,$coursedom) = @_;
     my $lc_crstype = lc($crstype);
     my ($home,$other,%outhash)=&authorhosts();
     my %lt= ( # do not translate here
@@ -7131,6 +7605,7 @@ sub generate_admin_menu {
                                          'cv'   => 'Check/Set Resource Versions',
                                          'ls'   => 'List Resource Identifiers',
                                          'ct'   => 'Display/Set Shortened URLs for Deep-linking',
+                                         'ca'   => "Enter $crstype Authoring Space",
                                          'imse' => 'Export contents to IMS Archive',
                                          'dcd'  => "Copy $crstype Content to Authoring Space",
             );
@@ -7191,6 +7666,31 @@ sub generate_admin_menu {
                 ]
         });
     if ($canedit) {
+        my ($crsauname,$crsaudom,$crshome);
+        if (($coursenum ne '') && ($coursedom ne '')) {
+            my $crsauthorurl = "/priv/$coursedom/$coursenum/";
+            ($crsauname,$crsaudom,$crshome) = &Apache::lonnet::constructaccess($crsauthorurl);
+            if (($crsauname eq $coursenum) && ($crsaudom eq $coursedom)) {
+                my @ids=&Apache::lonnet::current_machine_ids();
+                my $linkurl;
+                if (grep(/^\Q$crshome\E$/,@ids)) {
+                    $linkurl = $crsauthorurl;
+                } else {
+                    $linkurl =
+                        &Apache::lonhtmlcommon::jump_to_editres($crsauthorurl,$crshome,1);
+                }
+                if ((ref($menu[0]) eq 'HASH') && (ref($menu[0]->{'items'}) eq 'ARRAY')) {
+                     push(@{$menu[0]->{items}},
+                     {   linktext   => $lt{'ca'},
+                         url        => $linkurl,
+                         permission => 'F',
+                         help       => 'Docs_Course_Authorspace',
+                         icon       => 'impcrsau.png',
+                         linktitle  => $lt{'ca'},
+                     });
+                }
+            }
+        }
         push(@menu,
         {   categorytitle=>'Export',
             items =>[
@@ -7366,6 +7866,8 @@ sub editing_js {
                                           tinc    => 'Title in course',
                                           sunm    => 'Sub-directory name',
                                           edri    => 'Editing rights unavailable for your current role.',
+                                          sele    => 'Select',
+                                          swit    => 'Switch server required',
                                         );
     &js_escape(\%js_lt);
     my $crstype = &Apache::loncommon::course_type();
@@ -7377,7 +7879,9 @@ sub editing_js {
     my $backtourl;
     my $toplevelmain = &escape(&default_folderpath($coursenum,$coursedom,$navmapref));
     my $toplevelsupp = &supplemental_base();
-
+    my $showfile_js = &Apache::loncommon::show_crsfiles_js();
+    my @ids=&Apache::lonnet::current_machine_ids();
+    my $machines_str = "'".join("','",@ids)."'";
     if ($env{'docs.exit.'.$env{'request.course.id'}} =~ /^direct_(.+)$/) {
         my $caller = $1;
         if ($caller =~ /^supplemental/) {
@@ -7724,32 +8228,33 @@ function toggleMap(caller) {
             }
         }
         document.getElementById('importmapform').style.display=disp;
+        if (disp == 'block') {
+            if (document.getElementById('importcrsresform')) {
+                if (document.getElementById('importcrsresform').style.display == 'block') {
+                    document.getElementById('importcrsresform').style.display = 'none';
+                }
+            }
+        }
         resize_scrollbox('contentscroll','1','1');
     }
     return;
 }
 
-function toggleCrsRes(caller,numauthorrole,numcrsdirs) {
+function toggleCrsRes(caller) {
     var disp = 'none';
     if (document.getElementById('crsresform')) {
         if (caller == 'res') {
-            var curr = document.getElementById('crsresform').style.display;
+            var form = document.getElementById('crsresform');
+            var curr = form.style.display;
             if (curr == 'none') {
                 disp='block';
-                numauthor = parseInt(numauthorrole);
-                if (numauthor > 0) {
-                    document.courseresform.authorrole.selectedIndex = 0;
-                    select1priv_changed();
-                    document.courseresform.authorpath.selectedIndex = 0;
-                    document.courseresform.newresourceadd.selectedIndex = 0;
-                    toggleNewInCourse(document.courseresform);
-                    if (document.getElementById('newresource')) {
-                        document.getElementById('newresource').style.display = 'none';
-                    }
-                } else {
-                    if (numcrsdirs) {
-                        document.courseresform.authorpath.selectedIndex = 0;
-                    }
+                document.courseresform.authorrole.selectedIndex = 0;
+                document.courseresform.authorpath.selectedIndex = 0;
+                document.courseresform.newresourceadd.selectedIndex = 0;
+                populateDirSelects(form,'authorrole','authorpath',1,0,0);
+                toggleNewInCourse(document.courseresform);
+                if (document.getElementById('newresource')) {
+                    document.getElementById('newresource').style.display = 'none';
                 }
                 if (document.courseresform.newresusetemp.length) {
                     document.courseresform.newresusetemp[0].checked = true;
@@ -7803,14 +8308,28 @@ function toggleNewsubdir(form) {
 
 function toggleCrsResTitle() {
     if (document.getElementById('newresource')) {
-        if (document.courseresform.authorrole.options[document.courseresform.authorrole.selectedIndex].value == 'course') {
+        var selloc = document.courseresform.authorrole.options[document.courseresform.authorrole.selectedIndex].value;
+        if (selloc == 'course') {
             document.getElementById('newresource').style.display = 'inline';
             document.courseresform.newresourceadd[0].checked = true;
             toggleNewInCourse(document.courseresform);
         } else {
             document.getElementById('newresource').style.display = 'none';
         }
-    } 
+    }
+    if (document.getElementById('newstdproblem')) {
+        if (document.courseresform.authorpath.options[document.courseresform.authorpath.selectedIndex].value == 'switch') {
+            document.getElementById('newstdproblem').style.display = 'none'; 
+            if (document.getElementById('stdprobswitch')) {
+                document.getElementById('stdprobswitch').style.display = 'block'; 
+            }
+        } else {
+            document.getElementById('newstdproblem').style.display = 'block';
+            if (document.getElementById('stdprobswitch')) {
+                document.getElementById('stdprobswitch').style.display = 'none';
+            }
+        }
+    }
 }
 
 function toggleNewInCourse(form) {
@@ -7890,25 +8409,208 @@ function getExample(width,height,scrolli
     }
 }
 
-function toggleImportCrsres(caller,dircount) {
+function toggleImportCrsres(caller) {
     var disp = 'none';
     if (document.getElementById('importcrsresform')) {
         if (caller == 'res') {
-            var numdirs = parseInt(dircount);
             var curr = document.getElementById('importcrsresform').style.display;
             if (curr == 'none') {
                 disp='block';
-                if (numdirs > 1) {
-                    select1res_changed();
+                populateCrsSelects(document.crsresimportform,'coursepath','coursefile',1,'',1,0,1,1,0);
+                if ((document.getElementById('importcrsrescontent')) &&
+                    (document.getElementById('importcrsresempty'))) {
+                    var selelem = document.crsresimportform.elements['coursepath'];
+                    var numdirs = 0;
+                    if (selelem.options.length) {
+                        numdirs = selelem.options.length - 1;
+                    }
+                    if (numdirs) {
+                        document.getElementById('importcrsrescontent').style.display='block';
+                        document.getElementById('importcrsresempty').style.display='none';
+                    } else {
+                        document.getElementById('importcrsrescontent').style.display='none';
+                        document.getElementById('importcrsresempty').style.display='block';
+                    }
                 }
             }
         }
         document.getElementById('importcrsresform').style.display=disp;
+        if (disp == 'block') {
+            if (document.getElementById('importmapform')) {
+                if (document.getElementById('importmapform').style.display == 'block') {
+                    document.getElementById('importmapform').style.display = 'none';
+                }
+            }
+        }
         resize_scrollbox('contentscroll','1','0');
     }
     return;
 }
 
+$showfile_js
+
+function populateDirSelects(form,locsel,dirsel,setdir,recurse,nonemptydir) {
+    var location = form.elements[locsel].options[form.elements[locsel].selectedIndex].value;
+    if ((setdir) && (dirsel != null) && (dirsel != 'undefined') && (dirsel != '')) {
+        var selelem = form.elements[dirsel];
+        var i, numfiles = selelem.options.length -1;
+        if (numfiles >=0) {
+            for (i = numfiles; i >= 0; i--) {
+                selelem.remove(i);
+            }
+        }
+        if ((location == '') || (location == null) || (location == 'undefined')) {
+             if (selelem.options.length == 0) {
+                 selelem.options[selelem.options.length] = new Option('','');
+                 selelem.selectedIndex = 0;
+             }
+             if (document.getElementById('newstdproblem')) {
+                 document.getElementById('newstdproblem').style.display = 'none';
+             }
+             return;
+        }
+        var machineIds = new Array($machines_str);
+        var athome = 0;
+        var role = location;
+        if ((location == 'author') || (location == 'course')) {
+            if (document.getElementById('rolehome_'+location)) {
+                var currhome = document.getElementById('rolehome_'+location).value;
+                if ((currhome != '') && (currhome != null) && (currhome != 'undefined')) {
+                    if (machineIds.includes(currhome)) {
+                        athome = 1;
+                    }
+                }
+            }
+        } else {
+            const roleinfo = location.split('___');
+            role = encodeURIComponent(roleinfo[0]+'./'+roleinfo[1]);
+            if (document.getElementById('rolehome_coauthor_'+roleinfo[1]+'_'+roleinfo[0])) {
+                var currhome = document.getElementById('rolehome_coauthor_'+roleinfo[1]+'_'+roleinfo[0]).value;
+                if ((currhome != '') && (currhome != null) && (currhome != 'undefined')) {
+                    if (machineIds.includes(currhome)) {
+                        athome = 1;
+                    }
+                }
+            }
+        }
+        var templateradio = document.courseresform.elements['newresusetemp'];
+        if (athome) {
+            if (document.getElementById('stdprobswitch')) {
+                document.getElementById('stdprobswitch').style.display = 'none';
+            }
+            if (document.getElementById('newstdproblem')) {
+                document.getElementById('newstdproblem').style.display = 'none';
+            }
+            var canedit = '$canedit';
+            if (canedit) {
+                if (templateradio.length > 1) {
+                    for (var i=0; i<templateradio.length; i++) {
+                        templateradio[i].disabled = false;
+                    }
+                }
+                document.courseresform.newresourcename.disabled = false;
+                document.courseresform.newcrs.disabled = false;
+            }
+            var http = new XMLHttpRequest();
+            var url = "/adm/courseauthor";
+            var params = "role="+role+"&rec="+recurse+"&nonempty="+nonemptydir+"&addtop=1";
+            http.open("POST", url, true);
+            http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+            http.onreadystatechange = function() {
+                if (http.readyState == 4 && http.status == 200) {
+                    var data = JSON.parse(http.responseText);
+                    if (Array.isArray(data.dirs)) {
+                        var len = data.dirs.length;
+                        if (len) {
+                            if (len > 1) {
+                                selelem.options[selelem.options.length] = new Option('$js_lt{sele}','');
+                            }
+                        }
+                        if (len) {
+                            var j;
+                            for (j = 0; j < len; j++) {
+                                selelem.options[selelem.options.length] = new Option(data.dirs[j],data.dirs[j]);
+                            }
+                            selelem.selectedIndex = 0;
+                            if (len == 1) {
+                                toggleCrsResTitle();
+                            }
+                        }
+                    }
+                }
+            }
+            http.send(params);
+        } else {
+            selelem.options[selelem.options.length] = new Option('$js_lt{swit}','switch');
+            selelem.selectedIndex = 0;
+            if (document.getElementById('stdprobswitch')) {
+                document.getElementById('stdprobswitch').style.display = 'block';
+            }
+            if (document.getElementById('newstdproblem')) {
+                document.getElementById('newstdproblem').style.display = 'none';
+            }
+            if (templateradio.length > 1) {
+                for (var i=0; i<templateradio.length; i++) {
+                    templateradio[i].disabled = true;
+                }
+            }
+            document.courseresform.newresourcename.disabled = true;
+            document.courseresform.newcrs.disabled = true;
+        }
+    }
+    return;
+}
+
+function switchForProb() {
+    if (document.courseresform.authorpath.options[document.courseresform.authorpath.selectedIndex].value == 'switch') {
+        var url = '/adm/switchserver?otherserver=';
+        var newhostid = '';
+        var role = '';
+        var selloc = document.courseresform.authorrole.options[document.courseresform.authorrole.selectedIndex].value;
+        if (selloc == 'author') {
+            newhostid = document.courseresform.rolehome_author.value;
+            role = "au./&js_escape($env{'user.domain'})/";
+        } else if (selloc == 'course') {
+            newhostid = document.courseresform.rolehome_course.value;
+            role = "&js_escape($env{'request.role'})";
+        } else {
+            var items = new Array();
+            items = selloc.split('___');
+            var len = document.courseresform.rolehome_coauthor.length;
+            if (null == len) {
+                var currval = document.courseresform.rolehome_coauthor.value;
+                if (null != currval) {
+                    var info = new Array();
+                    info = currval.split('=');
+                    newhostid = info[2];
+                    role = info[0]+'./'+info[1];
+                }
+            } else {
+                for (var i=0; i<len; i++) {
+                    var currval = document.courseresform.rolehome_coauthor[i].value;
+                    if (null != currval) {
+                        var info = new Array();
+                        info = currval.split('=');
+                        if ((info[1] == items[1]+'/'+items[0]) && (info[0] == items[2])) {
+                            newhostid = info[2];
+                            role = info[0]+'./'+info[1];
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+        if (newhostid != '') {
+            url += newhostid;
+            if (role != '') {
+                url += '&role='+role;
+            }
+            document.location.href = url;
+        }
+    }
+    return;
+}
+
 function makeims(imsform) {
     if ((imsform.uploaddoc.value == '')  || (!imsform.uploaddoc.value)) {
         alert("$js_lt{'imsfile'}");
@@ -8705,7 +9407,7 @@ sub dump_switchserver_js {
     );
     my %html_js_lt = &Apache::lonlocal::texthash(
         swit => 'Switch server?',
-        duco => 'Copying Content to Authoring Space',
+        duco => 'Copying uploaded content to Authoring Space',
         yone => 'You need to switch to a server housing an Authoring Space for which you are author or co-author.',
         chos => 'Choose server',
     );
@@ -8846,55 +9548,8 @@ sub makenewproblem {
                         if ($redirect) {
                             my $rightsfile = 'default.rights';
                             my $sourcerights = "$path/$rightsfile";
+                            &Apache::loncommon::crsauthor_rights($rightsfile,$path,$docroot,$coursenum,$coursedom);
                             my $targetrights = $docroot."/res/$coursedom/$coursenum/$rightsfile";
-                            my $now = time;
-                            if (!-e $sourcerights) {
-                                my $cid = $coursedom.'_'.$coursenum;
-                                if (open(my $fh,">$sourcerights")) {
-                                    print $fh <<END;
-<accessrule effect="deny" realm="" type="course" role="" />
-<accessrule effect="allow" realm="$cid" type="course" role="" />
-END
-                                    close($fh);
-                                }
-                            }
-                            if (!-e "$sourcerights.meta") {
-                                if (open(my $fh,">$sourcerights.meta")) {
-                                    my $author=$env{'environment.firstname'}.' '.
-                                               $env{'environment.middlename'}.' '.
-                                               $env{'environment.lastname'}.' '.
-                                               $env{'environment.generation'};
-                                    $author =~ s/\s+$//;
-                                    print $fh <<"END";
-
-<abstract></abstract>
-<author>$author</author>
-<authorspace>$coursenum:$coursedom</authorspace>
-<copyright>private</copyright>
-<creationdate>$now</creationdate>
-<customdistributionfile></customdistributionfile>
-<dependencies></dependencies>
-<domain>$coursedom</domain>
-<highestgradelevel>0</highestgradelevel>
-<keywords></keywords>
-<language>notset </language>
-<lastrevisiondate>$now</lastrevisiondate>
-<lowestgradelevel>0</lowestgradelevel>
-<mime>rights</mime>
-<modifyinguser>$env{'user.name'}:$env{'user.domain'}</modifyinguser>
-<notes></notes>
-<obsolete></obsolete>
-<obsoletereplacement></obsoletereplacement>
-<owner>$coursenum:$coursedom</owner>
-<rule>deny:::course,allow:$cid::course</rule>
-<sourceavail></sourceavail>
-<standards></standards>
-<subject></subject>
-<title></title>
-END
-                                    close($fh);
-                                }
-                            }
                             if ((-e $sourcerights) && (-e "$sourcerights.meta")) {
                                 if (!-e "$docroot/res/$coursedom") {
                                     mkdir("$docroot/res/$coursedom",0755);