--- loncom/interface/londocs.pm	2019/07/26 23:33:34	1.484.2.80
+++ loncom/interface/londocs.pm	2023/01/19 17:06:21	1.484.2.93.2.7
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.484.2.80 2019/07/26 23:33:34 raeburn Exp $
+# $Id: londocs.pm,v 1.484.2.93.2.7 2023/01/19 17:06:21 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -43,6 +43,7 @@ use Apache::lonnavdisplay();
 use Apache::lonextresedit();
 use Apache::lontemplate();
 use Apache::lonsimplepage();
+use Apache::loncourserespicker();
 use HTML::Entities;
 use HTML::TokeParser;
 use GDBM_File;
@@ -177,6 +178,45 @@ 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 {
+    if ($env{'form.supppath'} ne '') {
+        my @items = split(/\&/,$env{'form.supppath'});
+        my $badpath;
+        for (my $i=0; $i<@items; $i++) {
+            my $odd = $i%2;
+            if ((!$odd) && ($items[$i] !~ /^supplemental(|_\d+)$/)) {
+                $badpath = 1;
+            }
+            last if ($badpath);
+        }
+        if ($badpath) {
+            delete($env{'form.supppath'});
+        }
+    }
+    return;
+}
+
 sub dumpcourse {
     my ($r) = @_;
     my $crstype = &Apache::loncommon::course_type();
@@ -622,7 +662,7 @@ sub recurse_html {
 }
 
 sub group_import {
-    my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
+    my ($coursenum, $coursedom, $folder, $container, $caller, $ltitoolsref, @files) = @_;
     my ($donechk,$allmaps,%hierarchy,%titles,%addedmaps,%removefrommap,
         %removeparam,$importuploaded,$fixuperrors);
     $allmaps = {};
@@ -651,6 +691,114 @@ sub group_import {
             }
         }
 	if ($url) {
+            if ($url =~ m{^(/adm/$coursedom/$coursenum/(\d+)/ext\.tool)\:?(.*)$}) {
+                $url = $1;
+                my $marker = $2;
+                my $info = $3;
+                my ($toolid,%toolhash,%toolsettings);
+                my @extras = ('linktext','explanation','crslabel','crstitle','crsappend');
+                my @toolinfo = split(/:/,$info);
+                if ($residx) {
+                    %toolsettings=&Apache::lonnet::dump('exttool_'.$marker,$coursedom,$coursenum);
+                    $toolid = $toolsettings{'id'};
+                } else {
+                    $toolid = shift(@toolinfo);
+                }
+                $toolid =~ s/\D//g;
+                ($toolhash{'target'},$toolhash{'width'},$toolhash{'height'},
+                 $toolhash{'linktext'},$toolhash{'explanation'},
+                 $toolhash{'crslabel'},$toolhash{'crstitle'},$toolhash{'crsappend'}) = @toolinfo;
+                foreach my $item (@extras) {
+                    $toolhash{$item} = &unescape($toolhash{$item});
+                }
+                if (ref($ltitoolsref) eq 'HASH') {
+                    my @deleted;
+                    if (ref($ltitoolsref->{$toolid}) eq 'HASH') {
+                        $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,$item);
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        } elsif ($residx) {
+                            $toolhash{'target'} = $toolsettings{'target'};
+                            if ($toolhash{'target'} eq 'window') {
+                                foreach my $item ('width','height') {
+                                    $toolhash{$item} = $toolsettings{$item};
+                                }
+                            }
+                        } 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,$item);
+                                    }
+                                }
+                            }
+                        } elsif ($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{$crsitem} eq '') {
+                                        delete($toolhash{$crsitem});
+                                    }
+                                } else {
+                                    delete($toolhash{$crsitem});
+                                }
+                                if (($residx) && (exists($toolsettings{$crsitem}))) {
+                                    unless (exists($toolhash{$crsitem})) {
+                                        push(@deleted,$crsitem);
+                                    }
+                                }
+                            }
+                        }
+                        my $putres = &Apache::lonnet::put('exttool_'.$marker,\%toolhash,$coursedom,$coursenum);
+                        if ($putres eq 'ok') {
+                            if (@deleted) {
+                                &Apache::lonnet::del('exttool_'.$marker,\@deleted,$coursedom,$coursenum);
+                            }
+                        } else {
+                            return (&mt('Failed to save update to external tool.'),1);
+                        }
+                    }
+                }
+            }
             if (($caller eq 'londocs') &&
                 ($folder =~ /^default/)) {
                 if (($url =~ /\.(page|sequence)$/) && (!$donechk)) {
@@ -662,8 +810,8 @@ sub group_import {
                     $donechk = 1;
                 }
                 if ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$}) {
-                    &contained_map_check($url,$folder,\%removefrommap,\%removeparam,
-                                         \%addedmaps,\%hierarchy,\%titles,$allmaps);
+                    &contained_map_check($url,$folder,$coursenum,$coursedom,\%removefrommap,
+                                         \%removeparam,\%addedmaps,\%hierarchy,\%titles,$allmaps);
                     $importuploaded = 1;
                 } elsif ($url =~ m{^/res/.+\.(page|sequence)$}) {
                     next if ($allmaps->{$url});
@@ -676,26 +824,27 @@ sub group_import {
 	    }
 	    my $ext = 'false';
 	    if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
-	    $name = &LONCAPA::map::qtunescape($name);
-            if ($name eq '') {
-                $name = &LONCAPA::map::qtunescape(&mt('Web Page'));
-            }
             if ($url =~ m{^/uploaded/$coursedom/$coursenum/((?:docs|supplemental)/(?:default|\d+))/new\.html$}) {
                 my $filepath = $1;
-                my $fname = $name;
-                if ($fname =~ /^\W+$/) {
+                my $fname;
+                if ($name eq '') {
+                    $name = &mt('Web Page');
                     $fname = 'web';
                 } else {
-                    $fname =~ s/\W/_/g;
-                }
-                if (length($fname) > 15) {
-                    $fname = substr($fname,0,14);
+                    $fname = $name;
+                    $fname=&Apache::lonnet::clean_filename($fname);
+                    if ($fname eq '') {
+                        $fname = 'web';
+                    } elsif (length($fname) > 15) {
+                        $fname = substr($fname,0,14);
+                    }
                 }
+                my $title = &Apache::loncommon::cleanup_html($name);
                 my $initialtext = &mt('Replace with your own content.');
                 my $newhtml = <<END;
 <html>
 <head>
-<title>$name</title>
+<title>$title</title>
 </head>
 <body bgcolor="#ffffff">
 $initialtext
@@ -717,6 +866,7 @@ END
                     return (&mt('Failed to save new web page.'),1);
                 }
             }
+            $name = &LONCAPA::map::qtunescape($name);
             $url  = &LONCAPA::map::qtunescape($url);
 	    $LONCAPA::map::resources[$residx] =
 		join(':', ($name, $url, $ext, 'normal', 'res'));
@@ -834,7 +984,7 @@ sub docs_change_log {
              '// <![CDATA['."\n".
              &Apache::loncommon::display_filter_js('docslog')."\n".
              &editing_js($env{'user.domain'},$env{'user.name'},$supplementalflag,
-                         $coursedom,$coursenum,$canedit,'',\$navmap)."\n".
+                         $coursedom,$coursenum,'',$canedit,'',\$navmap)."\n".
              &history_tab_js()."\n".
              &Apache::lonratedt::editscript('simple')."\n".
              '// ]]>'."\n".
@@ -990,7 +1140,11 @@ 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{/([^/]+)$});
+            }
+            $r->print(&LONCAPA::map::qtescape($title).':<ul>');
 	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 # FIXME: internationalization seems wrong here
@@ -1059,29 +1213,47 @@ sub update_paste_buffer {
 # Construct identifiers for current contents of user's paste buffer
     if (@currpaste) {
         foreach my $suffix (@currpaste) {
-             my $cid = $env{'docs.markedcopy_crs_'.$suffix};
-             my $url = $env{'docs.markedcopy_url_'.$suffix};
-             if (($cid =~ /^$match_domain(?:_)$match_courseid$/) &&
-                 ($url ne '')) {
-                 $pasteurls{$cid.'_'.$url} = 1;
-             }
+            my $cid = $env{'docs.markedcopy_crs_'.$suffix};
+            my $url = $env{'docs.markedcopy_url_'.$suffix};
+            my $mapidx = $env{'docs.markedcopy_map_'.$suffix};
+            if (($cid =~ /^$match_domain(?:_)$match_courseid$/) &&
+                ($url ne '')) {
+                if ($url eq '/res/lib/templates/simpleproblem.problem') {
+                    $pasteurls{$cid.'_'.$mapidx} = 1;
+                } elsif ($url =~ m{^/res/$match_domain/$match_username/}) {
+                    $pasteurls{$url} = 1;
+                } else {
+                    $pasteurls{$cid.'_'.$url} = 1;
+                }
+            }
         }
     }
 
 # Mark items for copying (skip any items already in user's paste buffer)
     my %addtoenv;
-                  
+
+    my @pathitems = split(/\&/,$env{'form.folderpath'});
+    my @folderconf = split(/\:/,$pathitems[-1]);
+    my $ispage = $folderconf[5];
+
     foreach my $item (@possibles) {
         my ($orderidx,$cmd) = split(/:/,$item);
         next if ($orderidx =~ /\D/);
         next unless (($cmd eq 'cut') || ($cmd eq 'copy') || ($cmd eq 'remove'));
+        my $mapidx = $folder.':'.$orderidx.':'.$ispage;
         my ($title,$url)=split(':',$LONCAPA::map::resources[$orderidx]);
         my %denied = &action_restrictions($coursenum,$coursedom,
                                           &LONCAPA::map::qtescape($url),
                                           $env{'form.folderpath'},\%curr_groups);
         next if ($denied{'copy'});
         $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
-        next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$url}));
+        if ($url eq '/res/lib/templates/simpleproblem.problem') {
+            next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$mapidx}));
+        } elsif ($url =~ m{^/res/$match_domain/$match_username/}) {
+            next if (exists($pasteurls{$url}));
+        } else {
+            next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$url}));
+        }
         my ($suffix,$errortxt,$locknotfreed) =
             &new_timebased_suffix($env{'user.domain'},$env{'user.name'},'paste');
         if ($suffix ne '') {
@@ -1100,7 +1272,7 @@ sub update_paste_buffer {
         $addtoenv{'docs.markedcopy_url_'.$suffix}   = $url,
         $addtoenv{'docs.markedcopy_cmd_'.$suffix}   = $cmd,
         $addtoenv{'docs.markedcopy_crs_'.$suffix}   = $env{'request.course.id'};
- 
+        $addtoenv{'docs.markedcopy_map_'.$suffix}   = $mapidx;
         if ($url =~ m{^/uploaded/$match_domain/$match_courseid/(default|supplemental)_?(\d*)\.(page|sequence)$}) {
             my $prefix = $1;
             my $subdir =$2;
@@ -1108,8 +1280,8 @@ sub update_paste_buffer {
                 $subdir = $prefix;
             }
             my (%addedmaps,%removefrommap,%removeparam,%hierarchy,%titles,%allmaps);
-            &contained_map_check($url,$folder,\%removefrommap,\%removeparam,\%addedmaps,
-                                 \%hierarchy,\%titles,\%allmaps);
+            &contained_map_check($url,$folder,$coursenum,$coursedom,\%removefrommap,
+                                 \%removeparam,\%addedmaps,\%hierarchy,\%titles,\%allmaps);
             if (ref($hierarchy{$url}) eq 'HASH') {
                 my ($nested,$nestednames);
                 &recurse_uploaded_maps($url,$subdir,\%hierarchy,\%titles,\$nested,\$nestednames);
@@ -1178,14 +1350,17 @@ sub print_paste_buffer {
         next if ($suffix =~ /\D/);
         my $cid = $env{'docs.markedcopy_crs_'.$suffix};
         my $url = $env{'docs.markedcopy_url_'.$suffix};
+        my $mapidx = $env{'docs.markedcopy_map_'.$suffix}; 
         if (($cid =~ /^$match_domain\_$match_courseid$/) &&
             ($url ne '')) {
             $clipboardcount ++;
             my ($is_external,$othercourse,$fromsupp,$is_uploaded_map,$parent,
-                $canpaste,$nopaste,$othercrs,$areachange);
+                $canpaste,$nopaste,$othercrs,$areachange,$is_exttool);
             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$}) {
+                $is_exttool = 1;
             }
             if ($folder =~ /^supplemental/) {
                 $canpaste = &supp_pasteable($env{'docs.markedcopy_url_'.$suffix});
@@ -1217,11 +1392,17 @@ sub print_paste_buffer {
                         }
                         $is_uploaded_map = 1;
                     }
-                } elsif ($url =~ m{^/adm/($match_domain)/($match_username)/\d+/(bulletinboard|smppg)$}) {
+                } elsif (($url =~ m{^/res/lib/templates/\w+\.problem$}) ||
+                         ($url =~ m{^/adm/($match_domain)/($match_username)/\d+/(bulletinboard|smppg|ext\.tool)$})) {
                     if ($cid ne $env{'request.course.id'}) {
                         my ($srcdom,$srcnum) = split(/_/,$cid);
                         if ($env{"user.priv.cm./$srcdom/$srcnum"} =~ /\Q:mdc&F\E/) {
-                            $othercrs = '<br />'.&mt('(from another course)');
+                            if (($is_exttool) && ($srcdom ne $coursedom)) {
+                                $canpaste = 0;
+                                $nopaste = &mt('Paste from another domain unavailable.');
+                            } else {
+                                $othercrs = '<br />'.&mt('(from another course)');
+                            }
                         } else {
                             $canpaste = 0;
                             $nopaste = &mt('Paste from another course unavailable.');
@@ -1237,6 +1418,9 @@ sub print_paste_buffer {
                 $buffer = &mt('External Resource').': '.
                     &LONCAPA::map::qtescape($env{'docs.markedcopy_title_'.$suffix}).' ('.
                     &LONCAPA::map::qtescape($url).')';
+            } elsif ($is_exttool) {
+                $buffer = &mt('External Tool').': '.
+                    &LONCAPA::map::qtescape($env{'docs.markedcopy_title_'.$suffix});
             } else {
                 my $icon = &Apache::loncommon::icon($extension);
                 if ($extension eq 'sequence' &&
@@ -1266,7 +1450,7 @@ sub print_paste_buffer {
             }
             $pasteitems .= '<label><input type="checkbox" name="pasting" id="pasting_'.$suffix.'" value="'.$suffix.'" '.$onclick.'/>'.$buffer.'</label>';
             if ($nopaste) {
-                 $pasteitems .= $nopaste;   
+                 $pasteitems .= ' <span class="LC_cusr_emph">'.$nopaste.'</span>';   
             } else {
                 if ($othercrs) {
                     $pasteitems .= $othercrs;
@@ -1292,7 +1476,7 @@ sub print_paste_buffer {
             }
             $buttons = '<input type="submit" name="pastemarked" value="'.$value.'" />'.('&nbsp;'x2);
         }
-        $buttons .= '<input type="submit" name="clearmarked" value="'.&mt('Clear selected').'" />'.('&nbsp;'x2);
+        $buttons .= '<input type="submit" name="clearmarked" value="'.&mt('Remove from clipboard').'" />'.('&nbsp;'x2);
         if ($clipboardcount > 1) {
             $buttons .=
                 '<span style="text-decoration:line-through">'.('&nbsp;'x20).'</span>'.('&nbsp;'x2).
@@ -1393,7 +1577,8 @@ sub supp_pasteable {
         (($url =~ /\.sequence$/) && ($url =~ m{^/uploaded/})) ||
         ($url =~ m{^/uploaded/$match_domain/$match_courseid/(docs|supplemental)/(default|\d+)/\d+/}) ||
         ($url =~ m{^/adm/$match_domain/$match_username/aboutme}) ||
-        ($url =~ m{^/public/$match_domain/$match_courseid/syllabus})) {
+        ($url =~ m{^/public/$match_domain/$match_courseid/syllabus}) ||
+        ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$})) {
         return 1;
     }
     return;
@@ -1515,12 +1700,13 @@ sub do_paste_from_buffer {
         return();
     }
 
-    my (%msgs,%before,%after,@dopaste,%is_map,%notinsupp,%notincrs,%duplicate,
-        %prefixchg,%srcdom,%srcnum,%marktomove,$save_err,$lockerrors,$allresult);
+    my (%msgs,%before,%after,@dopaste,%is_map,%notinsupp,%notincrs,%notindom,%duplicate,
+        %prefixchg,%srcdom,%srcnum,%srcmapidx,%marktomove,$save_err,$lockerrors,$allresult);
 
     foreach my $suffix (@topaste) {
         my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url_'.$suffix});
         my $cid=&LONCAPA::map::qtescape($env{'docs.markedcopy_crs_'.$suffix});
+        my $mapidx=&LONCAPA::map::qtescape($env{'docs.markedcopy_map_'.$suffix});  
 # Supplemental content may only include certain types of content
 # Early out if pasted content is not supported in Supplemental area
         if ($folder =~ /^supplemental/) {
@@ -1542,7 +1728,26 @@ sub do_paste_from_buffer {
             }
             $srcdom{$suffix} = $srcd;
             $srcnum{$suffix} = $srcn;
-        } elsif ($url =~ m{^/adm/$match_domain/$match_username/\d+/(bulletinboard|smppg)$}) {
+        } elsif ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
+            my ($srcd,$srcn) = split(/_/,$cid);
+# When paste buffer was populated using an active role in a different course
+# check for mdc privilege in the course from which the resource was pasted
+            if (($srcd ne $coursedom) || ($srcn ne $coursenum)) {
+                unless ($env{"user.priv.cm./$srcd/$srcn"} =~ /\Q:mdc&F\E/) {
+                    $notincrs{$suffix} = 1;
+                    next;
+                }
+            }
+# 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 ($srcd ne $coursedom) {
+                $notindom{$suffix} = 1;
+                next;
+            }
+            $srcdom{$suffix} = $srcd;
+            $srcnum{$suffix} = $srcn;
+        } elsif (($url =~ m{^/res/lib/templates/\w+\.problem$}) ||
+                 ($url =~ m{^/adm/$match_domain/$match_username/\d+/(bulletinboard|smppg)$})) {
             my ($srcd,$srcn) = split(/_/,$cid);
 # When paste buffer was populated using an active role in a different course
 # check for mdc privilege in the course from which the resource was pasted
@@ -1555,6 +1760,7 @@ sub do_paste_from_buffer {
             $srcdom{$suffix} = $srcd;
             $srcnum{$suffix} = $srcn;
         }
+        $srcmapidx{$suffix} = $mapidx; 
         push(@dopaste,$suffix);
         if ($url=~/\.(page|sequence)$/) {
             $is_map{$suffix} = 1; 
@@ -1564,7 +1770,7 @@ sub do_paste_from_buffer {
             my $oldprefix = $1;
 # When pasting content from Main Content to Supplemental Content and vice versa 
 # URLs will contain different paths (which depend on whether pasted item is
-# a folder/page or a document.   
+# a folder/page or a document).   
             if (($folder =~ /^supplemental/) && (($oldprefix =~ /^default/) || ($oldprefix eq 'docs'))) {
                 $prefixchg{$suffix} = 'docstosupp';
             } elsif (($folder =~ /^default/) && ($oldprefix =~ /^supplemental/)) {
@@ -1604,6 +1810,7 @@ sub do_paste_from_buffer {
     %msgs = &Apache::lonlocal::texthash (
                 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 donain.',
                 duplicate => 'Paste failed: only one instance of a particular published sequence or page is allowed within each course.',
             );
 
@@ -1639,7 +1846,7 @@ sub do_paste_from_buffer {
 # Maps need to be copied first
         my (%removefrommap,%removeparam,%addedmaps,%rewrites,%retitles,%copies,
             %dbcopies,%zombies,%params,%docmoves,%mapmoves,%mapchanges,%newsubdir,
-            %newurls,%tomove);
+            %newurls,%tomove,%resdatacopy);
         if (ref($marktomove{$suffix}) eq 'ARRAY') {
             map { $tomove{$_} = 1; } @{$marktomove{$suffix}};
         }
@@ -1657,8 +1864,9 @@ sub do_paste_from_buffer {
                                                          $env{'request.course.id'});
                 $donechk = 1; 
             }
-            &contained_map_check($url,$folder,\%removefrommap,\%removeparam,
-                                 \%addedmaps,\%hierarchy,\%titles,$allmaps);
+            &contained_map_check($url,$folder,$coursenum,$coursedom,
+                                 \%removefrommap,\%removeparam,\%addedmaps,
+                                 \%hierarchy,\%titles,$allmaps);
             if ($url=~ m{^/uploaded/}) {
                 my $newurl;
                 unless ($env{'form.docs.markedcopy_options_'.$suffix} eq 'move') {
@@ -1688,7 +1896,7 @@ sub do_paste_from_buffer {
                                               \%retitles,\%copies,\%dbcopies,
                                               \%zombies,\%params,\%mapmoves,
                                               \%mapchanges,\%tomove,\%newsubdir,
-                                              \%newurls)) {
+                                              \%newurls,\%resdatacopy)) {
                         $mapmoves{$url} = 1;
                     }
                     $url = $newurl;
@@ -1697,10 +1905,10 @@ sub do_paste_from_buffer {
                                       $coursenum,$srcdom{$suffix},$srcnum{$suffix},
                                       $allmaps,\%rewrites,\%retitles,\%copies,\%dbcopies,
                                       \%zombies,\%params,\%mapmoves,\%mapchanges,
-                                      \%tomove,\%newsubdir,\%newurls); 
+                                      \%tomove,\%newsubdir,\%newurls,\%resdatacopy); 
                 }
             } elsif ($url=~m {^/res/}) {
-# published map can only exists once, so remove from paste buffer when done
+# published map can only exist once, so remove from paste buffer when done
                 push(@toclear,$suffix);
 # if pasting published map (main content area only) check map not already in course
                 if ($folder =~ /^default/) {
@@ -1711,7 +1919,7 @@ sub do_paste_from_buffer {
                 }
             }
         }
-        if ($url=~ m{/(bulletinboard|smppg)$}) {
+        if ($url=~ m{/(bulletinboard|smppg|ext\.tool)$}) {
             my $prefix = $1;
             my $fromothercrs;
             #need to copy the db contents to a new one, unless this is a move.
@@ -1739,6 +1947,8 @@ sub do_paste_from_buffer {
                         $msg = &mt('Paste failed: An error occurred when copying the simple page.').' '.$errtext;
                     } elsif ($prefix eq 'bulletinboard') {
                         $msg = &mt('Paste failed: An error occurred when copying the discussion board.').' '.$errtext;
+                    } elsif ($prefix eq 'ext.tool') {
+                        $msg = &mt('Paste failed: An error occurred when copying the external tool.').' '.$errtext;
                     }
                     $results{$suffix} = $result;
                     $msgerrs{$suffix} = $msg;
@@ -1803,6 +2013,12 @@ sub do_paste_from_buffer {
                         }
                     }
                 }
+            } elsif ($url =~ m{^/res/lib/templates/(\w+)\.problem$}) {
+                my $template = $1;
+                if ($newidx) {
+                    &copy_templated_files($url,$srcdom{$suffix},$srcnum{$suffix},$srcmapidx{$suffix},
+                                          $coursedom,$coursenum,$template,$newidx,"$folder.$container");
+                }
             }
             $LONCAPA::map::resources[$newidx]=$title.':'.&LONCAPA::map::qtunescape($url).
                                               ':'.$ext.':normal:res';
@@ -1816,7 +2032,8 @@ sub do_paste_from_buffer {
             }
         }
 
-# Apply any changes to maps, or copy dependencies for uploaded HTML pages 
+# Apply any changes to maps, or copy dependencies for uploaded HTML pages, or update 
+# resourcedata for simpleproblems copied from another course
         unless ($allresult eq 'fail') {
             my %updated = (
                             rewrites      => \%rewrites,
@@ -1824,6 +2041,7 @@ sub do_paste_from_buffer {
                             removefrommap => \%removefrommap,
                             removeparam   => \%removeparam,
                             dbcopies      => \%dbcopies,
+                            resdatacopy   => \%resdatacopy,
                             retitles      => \%retitles,
                           );
             my %info = (
@@ -1990,8 +2208,11 @@ sub dbcopy {
     my ($url,$result,$errtext);
     if (ref($dbref) eq 'HASH') {
         $url = $dbref->{'src'};
-        if ($url =~ m{/(smppg|bulletinboard)$}) {
+        if ($url =~ m{/(smppg|bulletinboard|ext\.tool)$}) {
             my $prefix = $1;
+            if ($prefix eq 'ext.tool') {
+                $prefix = 'exttool';
+            }
             if (($dbref->{'cdom'} =~ /^$match_domain$/) &&
                 ($dbref->{'cnum'} =~ /^$match_courseid$/)) {
                 my $db_name;
@@ -2002,6 +2223,8 @@ sub dbcopy {
                         &Apache::lonsimplepage::get_db_name($url,$marker,
                                                             $dbref->{'cdom'},
                                                             $dbref->{'cnum'});
+                } elsif ($dbref->{'src'} =~ m{/ext\.tool$}) {
+                    $db_name = 'exttool_'.$marker;
                 } else {
                     $db_name = 'bulletinpage_'.$marker;
                 }
@@ -2012,6 +2235,8 @@ sub dbcopy {
                 if (!$suffix) {
                     if ($prefix eq 'smppg') {
                         $errtext = &mt('Failed to acquire a unique timestamp-based suffix when copying a simple page [_1].',$url);
+                    } elsif ($prefix eq 'exttool') {
+                        $errtext = &mt('Failed to acquire a unique timestamp-based suffix when copying an external tool [_1].',$url);
                     } else {
                         $errtext = &mt('Failed to acquire a unique timestamp-based suffix when copying a discussion board [_1].',$url);
                     }
@@ -2045,7 +2270,7 @@ sub dbcopy {
                     $result=&Apache::lonnet::put($db_name,\%contents,
                                                  $coursedom,$coursenum);
                     if ($result eq 'ok') {
-                        $url =~ s{/(\d*)/(smppg|bulletinboard)$}{/$suffix/$2}x;
+                        $url =~ s{/(\d*)/(smppg|bulletinboard|ext\.tool)$}{/$suffix/$2}x;
                     }
                 }
                 if (($freedlock ne 'ok') && (ref($lockerrorsref) eq 'HASH')) {
@@ -2055,6 +2280,9 @@ sub dbcopy {
                     if ($prefix eq 'smppg') {
                         $lockerrorsref->{$prefix} .=
                             ' '.&mt('This will prevent creation of additional simple pages in this course.');
+                    } elsif ($prefix eq 'exttool') {
+                        $lockerrorsref->{$prefix} .=
+                            ' '.&mt('This will prevent addition of more external tools to this course.');
                     } else {
                         $lockerrorsref->{$prefix} .= ' '.&mt('This will prevent creation of additional discussion boards in this course.');
                     }
@@ -2080,6 +2308,97 @@ sub dbcopy {
     return ($url,$result,$errtext);
 }
 
+sub copy_templated_files {
+    my ($srcurl,$srcdom,$srcnum,$srcmapinfo,$coursedom,$coursenum,$template,$newidx,$newmapname) = @_;
+    my ($srcfolder,$srcid,$srcwaspage) = split(/:/,$srcmapinfo);
+    my $srccontainer = 'sequence';
+    if ($srcwaspage) {
+        $srccontainer = 'page';
+    }
+    my $srcsymb = "uploaded/$srcdom/$srcnum/$srcfolder.$srccontainer".
+                  '___'.$srcid.'___'.&Apache::lonnet::declutter($srcurl);
+    my $srcprefix = $srcdom.'_'.$srcnum.'.'.$srcsymb;
+    my %srcparms=&Apache::lonnet::dump('resourcedata',$srcdom,$srcnum,$srcprefix);
+    my $newsymb = "uploaded/$coursedom/$coursenum/$newmapname".'___'.$newidx.'___lib/templates/'.
+                  $template.'.problem';
+    my $newprefix = $coursedom.'_'.$coursenum.'.'.$newsymb;
+    if ($template eq 'simpleproblem') {
+        $srcprefix .= '.0.';
+        my $weightprefix = $newprefix;
+        $newprefix .= '.0.';
+        my @simpleprobqtypes = qw(radio option string essay numerical);
+        my $qtype=$srcparms{$srcprefix.'questiontype'};
+        if (grep(/^\Q$qtype\E$/,@simpleprobqtypes)) {
+            my %newdata = (
+                $newprefix.'questiontype' => $qtype,
+            );
+            foreach my $type (@simpleprobqtypes) {
+                if ($type eq $qtype) {
+                    $newdata{"$weightprefix.$type.weight"}=1;
+                } else {
+                    $newdata{"$weightprefix.$type.weight"}=0;
+                }
+            }
+            $newdata{$newprefix.'hiddenparts'} = '!'.$qtype;
+            $newdata{$newprefix.'questiontext'} = $srcparms{$srcprefix.'questiontext'};
+            $newdata{$newprefix.'hinttext'} = $srcparms{$srcprefix.'hinttext'};
+            if ($qtype eq 'numerical') {
+                $newdata{$newprefix.'numericalscript'} = $srcparms{$srcprefix.'numericalscript'};
+                $newdata{$newprefix.'numericalanswer'} = $srcparms{$srcprefix.'numericalanswer'};
+                $newdata{$newprefix.'numericaltolerance'} = $srcparms{$srcprefix.'numericaltolerance'};
+                $newdata{$newprefix.'numericalsigfigs'} = $srcparms{$srcprefix.'numericalsigfigs'};
+            } elsif (($qtype eq 'option') || ($qtype eq 'radio')) {
+                my $maxfoils=$srcparms{$srcprefix.'maxfoils'};
+                unless (defined($maxfoils)) { $maxfoils=10; }
+                    unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
+                        if ($maxfoils<=0) { $maxfoils=10; }
+                            my $randomize=$srcparms{$srcprefix.'randomize'};
+                            unless (defined($randomize)) { $randomize='yes'; }
+                            unless ($randomize eq 'no') { $randomize='yes'; }
+                            $newdata{$newprefix.'maxfoils'} = $maxfoils;
+                            $newdata{$newprefix.'randomize'} = $randomize;
+                            if ($qtype eq 'option') {
+                                $newdata{$newprefix.'options'} = $srcparms{$srcprefix.'options'};
+                            }
+                            for (my $i=1; $i<=10; $i++) {
+                                $newdata{$newprefix.'value'.$i} = $srcparms{$srcprefix.'value'.$i};
+                                $newdata{$newprefix.'position'.$i} = $srcparms{$srcprefix.'position'.$i};
+                                $newdata{$newprefix.'text'.$i} = $srcparms{$srcprefix.'text'.$i};
+                            }
+
+            } elsif (($qtype eq 'option') || ($qtype eq 'radio')) {
+                my $maxfoils=$srcparms{$srcprefix.'maxfoils'};
+                unless (defined($maxfoils)) { $maxfoils=10; }
+                unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
+                if ($maxfoils<=0) { $maxfoils=10; }
+                my $randomize=$srcparms{$srcprefix.'randomize'};
+                unless (defined($randomize)) { $randomize='yes'; }
+                unless ($randomize eq 'no') { $randomize='yes'; }
+                $newdata{$newprefix.'maxfoils'} = $maxfoils;
+                $newdata{$newprefix.'randomize'} = $randomize;
+                if ($qtype eq 'option') {
+                    $newdata{$newprefix.'options'} = $srcparms{$srcprefix.'options'};
+                }
+                for (my $i=1; $i<=10; $i++) {
+                    $newdata{$newprefix.'value'.$i} = $srcparms{$srcprefix.'value'.$i};
+                    $newdata{$newprefix.'position'.$i} = $srcparms{$srcprefix.'position'.$i};
+                    $newdata{$newprefix.'text'.$i} = $srcparms{$srcprefix.'text'.$i};
+                }
+            } elsif ($qtype eq 'string') {
+                $newdata{$newprefix.'stringanswer'} = $srcparms{$srcprefix.'stringanswer'};
+                $newdata{$newprefix.'stringtype'} = $srcparms{$srcprefix.'stringtype'};
+            }
+            if (keys(%newdata)) {
+                my $putres = &Apache::lonnet::cput('resourcedata',\%newdata,$coursedom,
+                                                   $coursenum);
+                if ($putres eq 'ok') {
+                    &Apache::lonnet::devalidatecourseresdata($coursenum,$coursedom);
+                }
+            }
+        }
+    }
+}
+
 sub uniqueness_check {
     my ($newurl) = @_;
     my $unique = 1;
@@ -2095,8 +2414,8 @@ sub uniqueness_check {
 }
 
 sub contained_map_check {
-    my ($url,$folder,$removefrommap,$removeparam,$addedmaps,$hierarchy,$titles,
-        $allmaps) = @_;
+    my ($url,$folder,$coursenum,$coursedom,$removefrommap,$removeparam,$addedmaps,
+        $hierarchy,$titles,$allmaps) = @_;
     my $content = &Apache::lonnet::getfile($url);
     unless ($content eq '-1') {
         my $parser = HTML::TokeParser->new(\$content);
@@ -2125,7 +2444,8 @@ sub contained_map_check {
                             $addedmaps->{$ressrc} = [$url];
                         }
                     }
-                    &contained_map_check($ressrc,$folder,$removefrommap,$removeparam,
+                    &contained_map_check($ressrc,$folder,$coursenum,$coursedom,
+                                         $removefrommap,$removeparam,
                                          $addedmaps,$hierarchy,$titles,$allmaps);
                 }
             } elsif ($token->[1] eq 'param') {
@@ -2145,7 +2465,7 @@ sub contained_map_check {
 sub url_paste_fixups {
     my ($oldurl,$folder,$prefixchg,$cdom,$cnum,$fromcdom,$fromcnum,$allmaps,
         $rewrites,$retitles,$copies,$dbcopies,$zombies,$params,$mapmoves,
-        $mapchanges,$tomove,$newsubdir,$newurls) = @_;
+        $mapchanges,$tomove,$newsubdir,$newurls,$resdatacopy) = @_;
     my $checktitle;
     if (($prefixchg) &&
         ($oldurl =~ m{^/uploaded/$match_domain/$match_courseid/supplemental})) {
@@ -2194,7 +2514,7 @@ sub url_paste_fixups {
                                           $srcdom,$srcnum,$allmaps,$rewrites,
                                           $retitles,$copies,$dbcopies,$zombies,
                                           $params,$mapmoves,$mapchanges,$tomove,
-                                          $newsubdir,$newurls);
+                                          $newsubdir,$newurls,$resdatacopy);
                         next;
                     } else {
                         ($newurl,my $error) =
@@ -2218,7 +2538,7 @@ sub url_paste_fixups {
                                                   $cnum,$srcdom,$srcnum,$allmaps,
                                                   $rewrites,$retitles,$copies,$dbcopies,
                                                   $zombies,$params,$mapmoves,$mapchanges,
-                                                  $tomove,$newsubdir,$newurls)) {
+                                                  $tomove,$newsubdir,$newurls,$resdatacopy)) {
                             $mapmoves->{$ressrc} = 1;
                         }
                         $changed = 1;
@@ -2247,6 +2567,12 @@ sub url_paste_fixups {
                     $dbcopies->{$oldurl}{$id}{'cnum'} = $fromcnum;
                     $changed = 1;
                 }
+            } elsif ($ressrc eq '/res/lib/templates/simpleproblem.problem') {
+                if (($fromcdom ne $cdom) || ($fromcnum ne $cnum)) {
+                    $resdatacopy->{$oldurl}{$id}{'src'} = $ressrc;
+                    $resdatacopy->{$oldurl}{$id}{'cdom'} = $fromcdom;
+                    $resdatacopy->{$oldurl}{$id}{'cnum'} = $fromcnum;
+                }
             } elsif ($ressrc =~ m{^/public/($match_domain)/($match_courseid)/(.+)$}) {
                 next if ($skip);
                 my $srcdom = $1;
@@ -2278,7 +2604,7 @@ sub apply_fixups {
         $oldurl,$url,$caller) = @_;
     my (%rewrites,%zombies,%removefrommap,%removeparam,%dbcopies,%retitles,
         %params,%newsubdir,%before,%after,%copies,%docmoves,%mapmoves,@msgs,
-        %lockerrors,$lockmsg);
+        %resdatacopy,%lockerrors,$lockmsg);
     if (ref($updated) eq 'HASH') {
         if (ref($updated->{'rewrites'}) eq 'HASH') {
             %rewrites = %{$updated->{'rewrites'}};
@@ -2298,6 +2624,9 @@ sub apply_fixups {
         if (ref($updated->{'retitles'}) eq 'HASH') {
             %retitles = %{$updated->{'retitles'}};
         }
+        if (ref($updated->{'resdatacopy'}) eq 'HASH') {
+            %resdatacopy = %{$updated->{'resdatacopy'}};
+        }
     }
     if (ref($info) eq 'HASH') {
         if (ref($info->{'newsubdir'}) eq 'HASH') {
@@ -2391,6 +2720,15 @@ sub apply_fixups {
             $storefn =~ s/^((?:default|supplemental)_)(\d+)/$1$newsubdir{$key}/;
         }
         my $mapcontent = &Apache::lonnet::getfile($key);
+        if (($mapcontent eq '-1') && ($before{'map'} eq 'supplemental') &&
+            ($after{'map'} eq 'default') &&
+            ($key =~ m{^/uploaded/$match_domain/$match_courseid/supplemental_\d+\.sequence$})) {
+            $mapcontent = '<map>'."\n".
+                          '<resource id="1" src="" type="start" />'."\n".
+                          '<link from="1" to="2" index="1" />'."\n".
+                          '<resource id="2" src="" type="finish" />'."\n".
+                          '</map>';
+        }
         if ($mapcontent eq '-1') {
             if (ref($errors) eq 'HASH') {
                 $errors->{$key} = 1;
@@ -2448,6 +2786,36 @@ sub apply_fixups {
                     }
                 }
             }
+            if (ref($resdatacopy{$key}) eq 'HASH') {
+                my ($gotnewmapname,$newmapname,$srcfolder,$srccontainer);
+                foreach my $idx (keys(%{$resdatacopy{$key}})) {
+                    if (ref($resdatacopy{$key}{$idx}) eq 'HASH') {
+                        my $srcurl = $resdatacopy{$key}{$idx}{'src'};
+                        if ($srcurl =~ m{^/res/lib/templates/(\w+)\.problem$}) {
+                            my $template = $1;
+                            if (($resdatacopy{$key}{$idx}{'cdom'} =~ /^$match_domain$/) &&
+                                ($resdatacopy{$key}{$idx}{'cnum'} =~ /^$match_courseid$/)) {
+                                my $srcdom = $resdatacopy{$key}{$idx}{'cdom'};
+                                my $srcnum = $resdatacopy{$key}{$idx}{'cnum'};
+                                unless ($gotnewmapname) {
+                                    ($newmapname) = ($key =~ m{/([^/]+)$});
+                                    ($srcfolder,$srccontainer) = split(/\./,$newmapname);
+                                    if ($newsubdir{$key}) {
+                                        $newmapname =~ s/^((?:default|supplemental)_)(\d+)/$1$newsubdir{$key}/;
+                                    }
+                                    $gotnewmapname = 1;
+                                }
+                                my $srcmapinfo = $srcfolder.':'.$idx;
+                                if ($srccontainer eq 'page') {
+                                    $srcmapinfo .= ':1';
+                                }
+                                &copy_templated_files($srcurl,$srcdom,$srcnum,$srcmapinfo,$cdom,
+                                                      $cnum,$template,$idx,$newmapname);
+                            }
+                        }
+                    }
+                }
+            }
             if (ref($params{$key}) eq 'HASH') {
                 %currparam = %{$params{$key}};
             }
@@ -2643,7 +3011,7 @@ 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;
@@ -2775,8 +3143,8 @@ sub handle_edit_cmd {
 
 sub editor {
     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$crstype,
-        $supplementalflag,$orderhash,$iconpath,$pathitem,$canedit,
-        $hostname,$navmapref,$hiddentop)=@_;
+        $supplementalflag,$orderhash,$iconpath,$pathitem,$ltitoolsref,
+        $canedit,$hostname,$navmapref,$hiddentop)=@_;
     my ($randompick,$ishidden,$isencrypted,$plain,$is_random_order,$container);
     if ($allowed) {
         (my $breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,
@@ -2987,6 +3355,17 @@ sub editor {
                         } else {
                             return $errortxt;
                         }
+                    } elsif ($url =~ m{^/adm/$coursedom/$coursenum/new/ext\.tool}) {
+                        my ($suffix,$errortxt,$locknotfreed) =
+                            &new_timebased_suffix($coursedom,$coursenum,'exttool');
+                        if ($locknotfreed) {
+                            $r->print($locknotfreed);
+                        }
+                        if ($suffix) {
+                            $url =~ s{^(/adm/$coursedom/$coursenum)/new}{$1/$suffix};
+                        } else {
+                            return $errortxt;
+                        }
                     } elsif ($url =~ m{^/uploaded/$coursedom/$coursenum/(docs|supplemental)/(default|\d+)/new.html$}) {
                         if ($supplementalflag) {
                             next unless ($1 eq 'supplemental');
@@ -3009,7 +3388,7 @@ sub editor {
 	    }
             ($errtext,$fatal,my $fixuperrors) =
                 &group_import($coursenum, $coursedom, $folder,$container,
-                              'londocs',@imports);
+                              'londocs',$ltitoolsref,@imports);
 	    return $errtext if ($fatal);
             if ($fixuperrors) {
                 $r->print($fixuperrors);
@@ -3095,7 +3474,7 @@ sub editor {
         $output .= &entryline($idx,$name,$url,$folder,$allowed,$res,
                               $coursenum,$coursedom,$crstype,
                               $pathitem,$supplementalflag,$container,
-                              \%filters,\%curr_groups,$canedit,
+                              \%filters,\%curr_groups,$ltitoolsref,$canedit,
                               $isencrypted,$navmapref,$hostname);
         $idx++;
         $shown++;
@@ -3475,7 +3854,7 @@ sub is_supplemental_title {
 sub entryline {
     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum,$coursedom,
         $crstype,$pathitem,$supplementalflag,$container,$filtersref,$currgroups,
-        $canedit,$isencrypted,$navmapref,$hostname)=@_;
+        $ltitoolsref,$canedit,$isencrypted,$navmapref,$hostname)=@_;
     my ($foldertitle,$renametitle,$oldtitle);
     if (&is_supplemental_title($title)) {
 	($title,$foldertitle,$renametitle) = &Apache::loncommon::parse_supplemental_title($title);
@@ -3502,7 +3881,7 @@ sub entryline {
     my $line=&Apache::loncommon::start_data_table_row();
     my ($form_start,$form_end,$form_common,$form_param);
 # Edit commands
-    my ($esc_path, $path, $symb);
+    my ($esc_path, $path, $symb, $shownsymb);
     if ($env{'form.folderpath'}) {
 	$esc_path=&escape($env{'form.folderpath'});
 	$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
@@ -3572,6 +3951,7 @@ END
 		'rn' => 'Rename',
 		'cp' => 'Copy',
                 'ex' => 'External Resource',
+                'et' => 'External Tool',
                 'ed' => 'Edit',
                 'pr' => 'Preview',
                 'sv' => 'Save',
@@ -3591,6 +3971,7 @@ END
 			    |/aboutme$
 			    |/navmaps$
 			    |/bulletinboard$
+                            |/ext\.tool$
 			    |\.html$)}x)
              || $isexternal) {
 	    $skip_confirm = 1;
@@ -3725,11 +4106,19 @@ END
     my ($editlink,$extresform,$anchor,$hiddenres,$nomodal);
     my $orig_url = $url;
     $orig_url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
-    $url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/};
+    if ($container eq 'page') {
+        $url=~s{^http(|s)(&colon;|:)//}{/ext/};
+    } else {
+        $url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/};
+    }
     if (!$supplementalflag && $residx && $symb) {
         if ((!$isfolder) && (!$ispage)) {
 	    (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
-	    $url=&Apache::lonnet::clutter($url);
+            if (($url =~ m{^ext/}) && ($container eq 'page')) {
+                $url=&Apache::lonnet::clutter_with_no_wrapper($url);
+            } else {
+                $url=&Apache::lonnet::clutter($url);
+            }
 	    if ($url=~/^\/*uploaded\//) {
 	        $url=~/\.(\w+)$/;
 	        my $embstyle=&Apache::loncommon::fileembstyle($1);
@@ -3743,47 +4132,27 @@ END
             } elsif ($url=~m{^(|/adm/wrapper)/ext/([^#]+)}) {
                 my $wrapped = $1;
                 my $exturl = $2;
-                if ($wrapped eq '') {
+                if (($wrapped eq '') && ($container ne 'page')) {
                     $url='/adm/wrapper'.$url;
                 }
                 if (($ENV{'SERVER_PORT'} == 443) && ($exturl !~ /^https:/)) {
                     $nomodal = 1;
                 }
+            } elsif ($url=~m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
+                $url='/adm/wrapper'.$url;
             } elsif ($url eq "/public/$coursedom/$coursenum/syllabus") {
                 if (($ENV{'SERVER_PORT'} == 443) &&
                     ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
-                    unless (&Apache::lonnet::uses_sts()) {
+                    unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                         $url .= '?usehttp=1';
                     }
                     $nomodal = 1;
                 }
 	    }
-            if (&Apache::lonnet::symbverify($symb,$url)) {
-                my $shownsymb = $symb;
-                if ($isexternal) {
-                    if ($url =~ /^([^#]+)#([^#]+)$/) {
-                        $url = $1;
-                        $anchor = $2;
-                        my $escan = &escape('#');
-                        $shownsymb =~ s/^([^\#]+)#([^\#]+)$/$1$escan$2/;
-                    }
-                }
-                unless ($env{'request.role.adv'}) {
-                    if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
-                        $url = '';
-                    }
-                    if (&Apache::lonnet::EXT('resource.0.hiddenresource',$symb) =~ /^yes$/i) {
-                        $url = '';
-                        $hiddenres = 1;
-                    }
-                }
-                if ($url ne '') {
-                    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
-                }
-            } elsif (!$env{'request.role.adv'}) {
-                my $checkencrypt;
+            my ($checkencrypt,$shownurl);
+            if (!$env{'request.role.adv'}) {
                 if (((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i) ||
-                      $isencrypted || (&Apache::lonnet::EXT('resource.0.encrypturl',$symb) =~ /^yes$/i)) {
+                    ($isencrypted) || (&Apache::lonnet::EXT('resource.0.encrypturl',$symb) =~ /^yes$/i)) {
                     $checkencrypt = 1;
                 } elsif (ref($navmapref)) {
                     unless (ref($$navmapref)) {
@@ -3795,22 +4164,39 @@ END
                         }
                     }
                 }
-                if ($checkencrypt) {
-                    my $shownsymb = &Apache::lonenc::encrypted($symb);
-                    my $shownurl = &Apache::lonenc::encrypted($url);
-                    if (&Apache::lonnet::symbverify($shownsymb,$shownurl)) {
-                        $url = $shownurl.(($shownurl=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
-                        if ($env{'request.enc'} ne '') {
-                            delete($env{'request.enc'});
-                        }
-                    } else {
-                        $url='';
-                    }
+            }
+            if ($checkencrypt) {
+                my $currenc = $env{'request.enc'};
+                $env{'request.enc'} = 1;
+                $shownsymb = &Apache::lonenc::encrypted($symb);
+                $shownurl = &Apache::lonenc::encrypted($url);
+                if (&Apache::lonnet::symbverify($symb,$url)) {
+                    $url = $shownurl;
                 } else {
-                    $url='';
+                    $url = '';
+                }
+                $env{'request.enc'} = $currenc;
+            } elsif (&Apache::lonnet::symbverify($symb,$url)) {
+                $shownsymb = $symb;
+                if ($isexternal) {
+                    $url =~ s/\#[^#]+$//;
+                    if ($container eq 'page') {
+                        $url = &Apache::lonnet::clutter($url);
+                    }
+                }
+                $shownurl = $url;
+            }
+            unless ($env{'request.role.adv'}) {
+                if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+                    $url = '';
+                }
+                if (&Apache::lonnet::EXT('resource.0.hiddenresource',$symb) =~ /^yes$/i) {
+                    $url = '';
+                    $hiddenres = 1;
                 }
-            } else {
-                $url='';
+            }
+            if ($url ne '') {
+                $url = $shownurl.(($shownurl=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
             }
 	}
     } elsif ($supplementalflag) {
@@ -3819,7 +4205,7 @@ END
                 $url = $1;
                 $anchor = $2;
                 if (($url =~ m{^(|/adm/wrapper)/ext/(?!https:)}) && ($ENV{'SERVER_PORT'} == 443)) {
-                    unless (&Apache::lonnet::uses_sts()) {
+                    unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                         if ($hostname ne '') {
                             $url = 'http://'.$hostname.$url;
                         }
@@ -3831,7 +4217,7 @@ END
         } elsif ($url =~ m{^\Q/public/$coursedom/$coursenum/syllabus\E}) {
             if (($ENV{'SERVER_PORT'} == 443) &&
                 ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
-                unless (&Apache::lonnet::uses_sts()) {
+                unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                     if ($hostname ne '') {
                         $url = 'http://'.$hostname.$url;
                     }
@@ -3927,12 +4313,17 @@ $form_common."\n".
 $form_end;
         }
     } elsif ($supplementalflag && !$allowed) {
+        my $isexttool;
+        if ($url=~m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
+            $url='/adm/wrapper'.$url;
+            $isexttool = 1;
+        }
         $url .= ($url =~ /\?/) ? '&amp;':'?';
         $url .= 'folderpath='.&HTML::Entities::encode($esc_path,'<>&"');
         if ($title) {
             $url .= '&amp;title='.&HTML::Entities::encode($renametitle,'<>&"');
         }
-        if ($isexternal && $orderidx) {
+        if ((($isexternal) || ($isexttool)) && $orderidx) {
             $url .= '&amp;idx='.$orderidx;
         }
         if ($anchor ne '') {
@@ -3946,7 +4337,13 @@ $form_end;
         if ($isexternal) {
             ($editlink,$extresform) = 
                 &Apache::lonextresedit::extedit_form(0,$residx,$orig_url,$title,$pathitem,
-                                                     undef,undef,undef,$disabled);
+                                                     undef,undef,undef,undef,undef,undef,
+                                                     undef,$disabled);
+        } elsif ($orig_url =~ m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
+            ($editlink,$extresform) =
+                &Apache::lonextresedit::extedit_form(0,$residx,$orig_url,$title,$pathitem,
+                                                     undef,undef,undef,'tool',$coursedom,
+                                                     $coursenum,$ltitoolsref,$disabled);
         } elsif (!$isfolder && !$ispage) {
             my ($cfile,$home,$switchserver,$forceedit,$forceview) = 
                 &Apache::lonnet::can_edit_resource($fileloc,$coursenum,$coursedom,$orig_url);
@@ -3959,7 +4356,7 @@ $form_end;
                     &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,
                                                             $switchserver,
                                                             $forceedit,
-                                                            undef,$symb,
+                                                            undef,$symb,$shownsymb,
                                                             &escape($env{'form.folderpath'}),
                                                             $renametitle,$hostname,
                                                             '','',1,$suppanchor);
@@ -4076,9 +4473,11 @@ sub action_restrictions {
     if ($url=~ m{^/res/.+\.(page|sequence)$}) {
         # no copy for published maps
         $denied{'copy'} = 1;
-    } elsif ($url=~m{^/res/lib/templates/}) {
-       $denied{'copy'} = 1;
-       $denied{'cut'} = 1;
+    } elsif ($url=~m{^/res/lib/templates/([^/]+)\.problem$}) {
+        unless ($1 eq 'simpleproblem') {
+            $denied{'copy'} = 1;
+        }
+        $denied{'cut'} = 1;
     } elsif ($url eq "/uploaded/$cdom/$cnum/group_allfolders.sequence") {
         if ($folderpath =~ /^default&[^\&]+$/) {
             if ((ref($currgroups) eq 'HASH') && (keys(%{$currgroups}) > 0)) {
@@ -4155,6 +4554,8 @@ sub new_timebased_suffix {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new folder/page.');
         } elsif ($type eq 'smppg') {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new simple page.');
+        } elsif ($type eq 'exttool') {
+            $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new external tool.');
         } else {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new discussion board.');
         }
@@ -4183,6 +4584,9 @@ sub new_timebased_suffix {
         } elsif ($type eq 'smppg') {
             $locknotfreed .=
                 &mt('This will prevent creation of additional simple pages in this course.');
+        } elsif ($type eq 'exttool') {
+            $locknotfreed .=
+                &mt('This will prevent creation of additional external tools in this course.');
         } else {
             $locknotfreed .=
                 &mt('This will prevent creation of additional discussion boards in this course.');
@@ -4366,6 +4770,48 @@ sub list_symbs {
     $r->print(&endContentScreen());
 }
 
+sub short_urls {
+    my ($r,$canedit) = @_;
+    my $crstype = &Apache::loncommon::course_type();
+    my $formname = 'shortenurl';
+    $r->print(&Apache::loncommon::start_page('Display/Set Shortened URLs'));
+    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Shortened URLs'));
+    $r->print(&startContentScreen('tools'));
+    my ($navmap,$errormsg) =
+        &Apache::loncourserespicker::get_navmap_object($crstype,'shorturls');
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my (%maps,%resources,%titles);
+    if (!ref($navmap)) {
+        $r->print($errormsg.
+                  &endContentScreen());
+        return '';
+    } else {
+        $r->print('<h4 class="LC_info">'.&mt('Tiny URLs for deep-linking into course').'</h4>'."\n");
+        $r->rflush();
+        my $readonly;
+        if ($canedit) {
+            my ($numnew,$errors) = &Apache::loncommon::get_requested_shorturls($cdom,$cnum,$navmap);
+            if ($numnew) {
+                $r->print('<p class="LC_info">'.&mt('Created [quant,_1,URL]',$numnew).'</p>');
+            }
+            if ((ref($errors) eq 'ARRAY') && (@{$errors} > 0)) {
+                $r->print(&mt('The following errors occurred when processing your request to create shortened URLs:').'<br /><ul>');
+                foreach my $error (@{$errors}) {
+                    $r->print('<li>'.$error.'</li>');
+                }
+                $r->print('</ul><br />');
+            }
+        } else {
+            $readonly = 1;
+        }
+        my %currtiny = &Apache::lonnet::dump('tiny',$cdom,$cnum);
+        $r->print(&Apache::loncourserespicker::create_picker($navmap,'shorturls',$formname,$crstype,undef,
+                                                             undef,undef,undef,undef,undef,\%currtiny,$readonly));
+    }
+    $r->print(&endContentScreen());
+}
+
 sub contentverifyform {
     my ($r) = @_;
     my $crstype = &Apache::loncommon::course_type();
@@ -4380,7 +4826,7 @@ sub contentverifyform {
               &mt('No').'</label>'.('&nbsp;'x2).
               '<label><input type="radio" name="checkstale" value="1" />'.
               &mt('Yes').'</label></span></p><p>'.
-              '<input type="submit" value="'.&mt('Verify content').' "/>'.
+              '<input type="submit" value="'.&mt('Verify Content').' "/>'.
               '<input type="hidden" value="1" name="tools" />'.
               '<input type="hidden" value="1" name="verify" /></p></form>');
     $r->print(&endContentScreen());
@@ -4839,12 +5285,12 @@ sub handler {
 #
 # --------------------------------------------- Initialize help topics for this
     foreach my $topic ('Adding_Course_Doc','Main_Course_Documents',
-	               'Adding_External_Resource','Navigate_Content',
-	               'Adding_Folders','Docs_Overview', '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') {
+	               'Adding_External_Resource','Adding_External_Tool',
+                       'Navigate_Content','Adding_Folders','Docs_Overview',
+	               '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') {
 	$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
     }
     # Composite help files
@@ -4898,6 +5344,9 @@ sub handler {
   } elsif ($allowed && $env{'form.listsymbs'}) {
       &init_breadcrumbs('listsymbs','List Content IDs');
       &list_symbs($r);
+  } elsif ($allowed && $env{'form.shorturls'}) {
+      &init_breadcrumbs('shorturls','Set/Display Shortened URLs','Docs_Short_URLs');
+      &short_urls($r,$canedit);
   } elsif ($allowed && $env{'form.docslog'}) {
       &init_breadcrumbs('docslog','Show Log');
       my $folder = $env{'form.folder'};
@@ -4968,35 +5417,11 @@ sub handler {
     if ($env{'form.tools'}) { $toolsflag=1; }
 
     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'});
-        }
+        &validate_folderpath($supplementalflag);
     }
 
     if ($env{'form.supppath'} ne '') {
-        my @items = split(/\&/,$env{'form.supppath'});
-        my $badpath;
-        for (my $i=0; $i<@items; $i++) {
-            my $odd = $i%2;
-            if ((!$odd) && ($items[$i] !~ /^supplemental(|_\d+)$/)) {
-                $badpath = 1;
-            }
-            last if ($badpath);
-        }
-        if ($badpath) {
-            delete($env{'form.supppath'});
-        }
+        &validate_suppath();
     }
 
     my $script='';
@@ -5005,6 +5430,7 @@ sub handler {
     my $container;
     my $containertag;
     my $pathitem;
+    my %ltitools;
     my $hiddentop;
     my $navmap;
     my $filterFunc = sub { my $res = shift; return (!$res->randomout() && !$res->is_map()) };
@@ -5054,6 +5480,9 @@ sub handler {
         } else {
             undef($env{'form.folderpath'});
         }
+        if ($env{'form.folderpath'} ne '') {
+            &validate_folderpath($supplementalflag);
+        }
     }
    
 # If we are not allowed to make changes, all we can see are supplemental docs
@@ -5078,7 +5507,7 @@ sub handler {
             undef($env{'form.folderpath'});
         } else {
             $folderurl = "uploaded/$coursedom/$coursenum/$folder";
-            if ((split(/\:/,$pathitems[-1]))[4]) {
+            if ((split(/\:/,$pathitems[-1]))[5]) {
                 $folderurl .= '.page';
             } else {
                 $folderurl .= '.sequence';
@@ -5182,13 +5611,15 @@ sub handler {
                 }
             }
             my $tabidstr = join("','",@tabids);
+            %ltitools = &Apache::lonnet::get_domain_lti($coursedom,'consumer');
+            my $posslti = keys(%ltitools);
             my $hostname = $r->hostname();
-	    $script .= &editing_js($udom,$uname,$supplementalflag,$coursedom,$coursenum,
+            $script .= &editing_js($udom,$uname,$supplementalflag,$coursedom,$coursenum,$posslti,
                                    $canedit,$hostname,\$navmap).
                        &history_tab_js().
                        &inject_data_js().
                        &Apache::lonhtmlcommon::resize_scrollbox_js('docs',$tabidstr,$tid).
-                       &Apache::lonextresedit::extedit_javascript();
+                       &Apache::lonextresedit::extedit_javascript(\%ltitools);
             $addentries = {
                             onload   => "javascript:resize_scrollbox('contentscroll','1','1');",
                           };
@@ -5204,7 +5635,8 @@ sub handler {
               .'// <![CDATA['."\n"
               .$script."\n"
               .'// ]]>'."\n"
-              .'</script>'."\n";
+              .'</script>'."\n"
+              .'<script type="text/javascript" src="/res/adm/includes/file_upload.js"></script>'."\n";
 
     # Breadcrumbs
     &Apache::lonhtmlcommon::clear_breadcrumbs();
@@ -5323,6 +5755,8 @@ sub handler {
                 'impo' => 'Import',
 		'lnks' => 'Import from Stored Links',
                 'impm' => 'Import from Assembled Map',
+                'extr' => 'External Resource',
+                'extt' => 'External Tool',
                 'selm' => 'Select Map',
                 'load' => 'Load Map',
                 'newf' => 'New Folder',
@@ -5354,7 +5788,8 @@ sub handler {
                 'er' => 'Editing rights unavailable for your current role.',
         );
 # -----------------------------------------------------------------------------
-    # Calculate free quota space for a user or course.
+    # Calculate free quota space for a user or course. A javascript function checks
+    # file size to determine if upload should be allowed.
     my $quotatype = 'unofficial';
     if ($crstype eq 'Community') {
         $quotatype = 'community';
@@ -5388,7 +5823,8 @@ sub handler {
 	my $fileupload=(<<FIUP);
         $quotainfo
 	$lt{'file'}:<br />
-	<input type="file" name="uploaddoc" size="40" $disabled />
+	<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);
@@ -5492,7 +5928,12 @@ SEDFFORM
         my $extresourcesform =
             &Apache::lonextresedit::extedit_form(0,0,undef,undef,$pathitem,
                                                  $help{'Adding_External_Resource'},
-                                                 undef,undef,$disabled);
+                                                 undef,undef,undef,undef,undef,undef,$disabled);
+        my $exttoolform =
+            &Apache::lonextresedit::extedit_form(0,0,undef,undef,$pathitem,
+                                                 $help{'Adding_External_Tool'},undef,
+                                                 undef,'tool',$coursedom,$coursenum,
+                                                 \%ltitools,$disabled);
     if ($allowed) {
         my $folder = $env{'form.folder'};
         if ($folder eq '') {
@@ -5536,6 +5977,7 @@ HIDDENFORM
 #
 
     my $savefolderpath;
+    my $hostname = $r->hostname();
 
     if ($allowed) {
        my $folder=$env{'form.folder'};
@@ -5727,19 +6169,30 @@ NSYLFORM
 	$help{'Group Portfolio'}
 	</form>
 NGFFORM
-	@specialdocumentsforma=(
+        if ($container eq 'page') {
+            @specialdocumentsforma=(
+        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/webpage.png" alt="'.$lt{webp}.'" onclick="javascript:makewebpage();" />'=>$newwebpageform},
+            );
+        } else {
+	    @specialdocumentsforma=(
 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/page.png" alt="'.$lt{newp}.'"  onclick="javascript:makenewpage(document.newpage,\''.$pageseq.'\');" />'=>$newpageform},
 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/syllabus.png" alt="'.$lt{syll}.'" onclick="javascript:makenew(document.newsyl);" />'=>$newsylform},
 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/navigation.png" alt="'.$lt{navc}.'" onclick="javascript:makenew(document.newnav);" />'=>$newnavform},
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simple.png" alt="'.$lt{sipa}.'" onclick="javascript:makesmppage();" />'=>$newsmppageform},
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/webpage.png" alt="'.$lt{webp}.'" onclick="javascript:makewebpage();" />'=>$newwebpageform},
-        );
+            );
+        }
         $specialdocumentsform = &create_form_ul(&create_list_elements(@specialdocumentsforma));
 
 
         my @importdoc = (
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="toggleUpload(\'ext\');" />'=>$extresourcesform}
         );
+        if (keys(%ltitools)) {
+            push(@importdoc,
+                {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/exttool.png" alt="'.$lt{extt}.'" onclick="toggleUpload(\'tool\');" />'=>$exttoolform},
+        );
+        }
         unless ($container eq 'page') {
             push(@importdoc,
                 {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/ims.png" alt="'.$lt{imsf}.'" onclick="javascript:toggleUpload(\'ims\');" />'=>$imspform}
@@ -5771,18 +6224,18 @@ my %orderhash = (
                 'aa' => ['Upload',$fileuploadform],
                 'bb' => ['Import',$importpubform],
                 'cc' => ['Grading',$gradingform],
+                'ee' => ['Other',$specialdocumentsform],
                 );
 unless ($container eq 'page') {
     $orderhash{'00'} = ['Newfolder',$newfolderform];
     $orderhash{'dd'} = ['Collaboration',$communityform];
-    $orderhash{'ee'} = ['Other',$specialdocumentsform];
 }
 
  $hadchanges=0;
        unless (($supplementalflag || $toolsflag)) {
           my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
                               $supplementalflag,\%orderhash,$iconpath,$pathitem,
-                              $canedit,\$navmap,$hiddentop);
+                              \%ltitools,$canedit,$hostname,\$navmap,$hiddentop);
           undef($navmap);
           if ($error) {
              $r->print('<p><span class="LC_error">'.$error.'</span></p>');
@@ -5852,6 +6305,11 @@ SNFFORM
             &Apache::lonextresedit::extedit_form(1,0,undef,undef,$pathitem,
                                                  $help{'Adding_External_Resource'},
                                                  undef,undef,$disabled);
+        my $supexttoolform =
+            &Apache::lonextresedit::extedit_form(1,0,undef,undef,$pathitem,
+                                                 $help{'Adding_External_Tool'},
+                                                 undef,undef,'tool',$coursedom,
+                                                 $coursenum,\%ltitools,$disabled);
 
 	my $supnewsylform=(<<SNSFORM);
 	<form action="/adm/coursedocs" method="post" name="supnewsyl">
@@ -5906,10 +6364,16 @@ my @specialdocs = (
 		);
 my @supimportdoc = (
 		{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="javascript:toggleUpload(\'suppext\')" />'
-            =>$supextform},
+            =>$supextform});
+        if (keys(%ltitools)) {
+            push(@supimportdoc,
+                {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/exttool.png" alt="'.$lt{extt}.'" onclick="javascript:toggleUpload(\'supptool\')" />'
+            =>$supexttoolform});
+        }
+        push(@supimportdoc,
                 {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/pdfupload.png" alt="'.$lt{upl}.'" onclick="javascript:toggleUpload(\'suppdoc\');" />'
             =>$supupdocform},
-                   );
+        );
 
 $supupdocform =  &create_form_ul(&create_list_elements(@supimportdoc));
 my %suporderhash = (
@@ -5920,7 +6384,7 @@ my %suporderhash = (
         if ($supplementalflag) {
            my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
                                $supplementalflag,\%suporderhash,$iconpath,$pathitem,
-                               $canedit);
+                               \%ltitools,$canedit,$hostname);
            if ($error) {
               $r->print('<p><span class="LC_error">'.$error.'</span></p>');
            } else {
@@ -5940,7 +6404,7 @@ my %suporderhash = (
         }
     } elsif ($supplementalflag) {
         my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
-                            $supplementalflag,'',$iconpath,$pathitem);
+                            $supplementalflag,'',$iconpath,$pathitem,'',$hostname);
         if ($error) {
             $r->print('<p><span class="LC_error">'.$error.'</span></p>');
         }
@@ -6140,6 +6604,7 @@ sub generate_admin_menu {
                                          'vc'   => 'Verify Content',
                                          'cv'   => 'Check/Set Resource Versions',
                                          'ls'   => 'List Resource Identifiers',
+                                         'ct'   => 'Display/Set Shortened URLs for Deep-linking',
                                          'imse' => 'Export contents to IMS Archive',
                                          'dcd'  => "Copy $crstype Content to Authoring Space",
             );
@@ -6190,6 +6655,13 @@ sub generate_admin_menu {
                     icon       => 'symbs.png',
                     linktitle  => "List the unique identifier used for each resource instance in your $lc_crstype"
                 },
+                {   linktext   => $lt{'ct'},
+                    url        => "javascript:injectData(document.courseverify,'dummy','shorturls','$lt{'ct'}')",
+                    permission => 'F',
+                    help       => 'Docs_Short_URLs',
+                    icon       => 'shorturls.png',
+                    linktitle  => "Set shortened URLs for a resource or folder in your $lc_crstype for use in deep-linking"
+                },
                 ]
         });
     if ($canedit) {
@@ -6320,7 +6792,7 @@ END
 }
 
 sub editing_js {
-    my ($udom,$uname,$supplementalflag,$coursedom,$coursenum,
+    my ($udom,$uname,$supplementalflag,$coursedom,$coursenum,$posslti,
         $canedit,$hostname,$navmapref) = @_;
     my %js_lt = &Apache::lonlocal::texthash(
                                           p_mnf => 'Name of New Folder',
@@ -6393,12 +6865,17 @@ sub editing_js {
                 } else {
                     $url = $res;
                 }
-                $backtourl = &HTML::Entities::encode(&Apache::lonnet::clutter($url),'<>&"').'?symb='.
-                             &HTML::Entities::encode($caller,'<>&"');
+                $backtourl = &HTML::Entities::encode(&Apache::lonnet::clutter($url),'<>&"');
+                if ($backtourl =~ m{^\Q/uploaded/$coursedom/$coursenum/\Edefault_\d+\.sequence$}) {
+                    $backtourl .= '?navmap=1';
+                } else {
+                    $backtourl .= '?symb='.
+                                  &HTML::Entities::encode($caller,'<>&"');
+                }
                 if ($backtourl =~ m{^\Q/public/$coursedom/$coursenum/syllabus\E}) {
                     if (($ENV{'SERVER_PORT'} == 443) &&
                         ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
-                        unless (&Apache::lonnet::uses_sts()) {
+                        unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                             if ($hostname ne '') {
                                 $backtourl = 'http://'.$hostname.$backtourl;
                             }
@@ -6407,7 +6884,7 @@ sub editing_js {
                     }
                 } elsif ($backtourl =~ m{^/adm/wrapper/ext/(?!https:)}) {
                     if (($ENV{'SERVER_PORT'} == 443) && ($hostname ne '')) {
-                        unless (&Apache::lonnet::uses_sts()) {
+                        unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                             if ($hostname ne '') {
                                 $backtourl = 'http://'.$hostname.$backtourl;
                             }
@@ -6432,11 +6909,17 @@ sub editing_js {
     }
 
     my $fieldsets = "'ext','doc'";
+    if ($posslti) {
+        $fieldsets .= ",'tool'";
+    }
     unless ($main_container_page) {
         $fieldsets .=",'ims'";
     }
     if ($supplementalflag) {
         $fieldsets = "'suppext','suppdoc'";
+        if ($posslti) {
+            $fieldsets .= ",'supptool'";
+        }
     }
 
     my $jsmakefunctions;
@@ -6445,7 +6928,7 @@ sub editing_js {
 function makenewfolder(targetform,folderseq) {
     var foldername=prompt('$js_lt{"p_mnf"}','$js_lt{"t_mnf"}');
     if (foldername) {
-       targetform.importdetail.value=escape(foldername)+"="+folderseq;
+       targetform.importdetail.value=encodeURIComponent(foldername)+"="+folderseq;
         targetform.submit();
     }
 }
@@ -6453,7 +6936,7 @@ function makenewfolder(targetform,folder
 function makenewpage(targetform,folderseq) {
     var pagename=prompt('$js_lt{"p_mnp"}','$js_lt{"t_mnp"}');
     if (pagename) {
-        targetform.importdetail.value=escape(pagename)+"="+folderseq;
+        targetform.importdetail.value=encodeURIComponent(pagename)+"="+folderseq;
         targetform.submit();
     }
 }
@@ -6462,7 +6945,7 @@ function makeexamupload() {
    var title=prompt('$js_lt{"p_mxu"}');
    if (title) {
     this.document.forms.newexamupload.importdetail.value=
-	escape(title)+'=/res/lib/templates/examupload.problem';
+	encodeURIComponent(title)+'=/res/lib/templates/examupload.problem';
     this.document.forms.newexamupload.submit();
    }
 }
@@ -6471,7 +6954,7 @@ function makesmppage() {
    var title=prompt('$js_lt{"p_msp"}');
    if (title) {
     this.document.forms.newsmppg.importdetail.value=
-	escape(title)+'=/adm/$udom/$uname/new/smppg';
+	encodeURIComponent(title)+'=/adm/$udom/$uname/new/smppg';
     this.document.forms.newsmppg.submit();
    }
 }
@@ -6486,7 +6969,7 @@ function makewebpage(type) {
    }
    if (title) {
        var webpage = formname.importdetail.value;
-       formname.importdetail.value = escape(title)+'='+webpage;
+       formname.importdetail.value = encodeURIComponent(title)+'='+webpage;
        formname.submit();
    }
 }
@@ -6495,7 +6978,7 @@ function makesmpproblem() {
    var title=prompt('$js_lt{"p_msb"}');
    if (title) {
     this.document.forms.newsmpproblem.importdetail.value=
-	escape(title)+'=/res/lib/templates/simpleproblem.problem';
+	encodeURIComponent(title)+'=/res/lib/templates/simpleproblem.problem';
     this.document.forms.newsmpproblem.submit();
    }
 }
@@ -6504,7 +6987,7 @@ function makedropbox() {
    var title=prompt('$js_lt{"p_mdb"}');
    if (title) {
     this.document.forms.newdropbox.importdetail.value=
-        escape(title)+'=/res/lib/templates/DropBox.problem';
+        encodeURIComponent(title)+'=/res/lib/templates/DropBox.problem';
     this.document.forms.newdropbox.submit();
    }
 }
@@ -6513,7 +6996,7 @@ function makebulboard() {
    var title=prompt('$js_lt{"p_mbb"}');
    if (title) {
     this.document.forms.newbul.importdetail.value=
-	escape(title)+'=/adm/$udom/$uname/new/bulletinboard';
+	encodeURIComponent(title)+'=/adm/$udom/$uname/new/bulletinboard';
     this.document.forms.newbul.submit();
    }
 }
@@ -6633,6 +7116,19 @@ function toggleUpload(caller) {
             }
         }
         document.getElementById('upload'+blocks[i]+'form').style.display=disp;
+        if ((caller == 'tool') || (caller == 'supptool')) {
+            if (disp == 'block') {
+                if (document.getElementById('LC_exttoolid')) {
+                    var toolselector = document.getElementById('LC_exttoolid');
+                    var suppflag = 0;
+                    if (caller == 'supptool') {
+                        suppflag = 1;
+                    }
+                    currForm = document.getElementById('new'+caller);
+                    updateExttool(toolselector,currForm,suppflag);
+                }
+            }
+        }
     }
     resize_scrollbox('contentscroll','1','1');
     return;