--- loncom/interface/lonmenu.pm 2022/07/08 16:08:05 1.369.2.83.2.4
+++ loncom/interface/lonmenu.pm 2024/10/06 20:19:57 1.369.2.83.2.21
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Routines to control the menu
#
-# $Id: lonmenu.pm,v 1.369.2.83.2.4 2022/07/08 16:08:05 raeburn Exp $
+# $Id: lonmenu.pm,v 1.369.2.83.2.21 2024/10/06 20:19:57 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -266,8 +266,8 @@ sub prep_menuitem {
# @primary_menu is filled within the BEGIN block of this module with
# entries from mydesk.tab
sub primary_menu {
- my ($crstype,$ltimenu,$menucoll,$menuref,$links_disabled,$links_target) = @_;
- my (%menu,%menuopts);
+ my ($crstype,$ltimenu,$menucoll,$menuref,$links_disabled,$links_target,$collapsible) = @_;
+ my (%menu,%ltiexc,%menuopts);
# each element of @primary contains following array:
# (link url, icon path, alt text, link text, condition, position)
my $public;
@@ -275,6 +275,17 @@ sub primary_menu {
|| (($env{'user.name'} eq '') && ($env{'user.domain'} eq ''))) {
$public = 1;
}
+ my $lti;
+ if ($env{'request.lti.login'}) {
+ $lti = 1;
+ if (ref($ltimenu) eq 'HASH') {
+ foreach my $item ('fullname','logout') {
+ unless ($ltimenu->{$item}) {
+ $ltiexc{$item} = 1;
+ }
+ }
+ }
+ }
my ($listclass,$linkattr,$target);
if ($links_disabled) {
$listclass = 'LCisDisabled';
@@ -283,11 +294,14 @@ sub primary_menu {
if ($links_target ne '') {
$target = $links_target;
} else {
- my $deeplinktarget;
+ my ($ltitarget,$deeplinktarget);
+ if ($env{'request.lti.login'}) {
+ $ltitarget = $env{'request.lti.target'};
+ }
if ($env{'request.deeplink.login'}) {
$deeplinktarget = $env{'request.deeplink.target'};
}
- if ($deeplinktarget eq '_self') {
+ if (($ltitarget eq 'iframe') || ($deeplinktarget eq '_self')) {
$target = '_self';
} else {
$target = '_top';
@@ -310,10 +324,15 @@ sub primary_menu {
&& !$public; # only visible to public
# users
next if $$menuitem[4] eq 'roles' ##show links depending on
- && &Apache::loncommon::show_course(); ##term 'Courses' or
- next if $$menuitem[4] eq 'courses' ##'Roles' wanted
- && !&Apache::loncommon::show_course(); ##
-
+ && (&Apache::loncommon::show_course() ##term 'Courses' or
+ || $lti); ##'Roles' wanted
+ next if $$menuitem[4] eq 'courses' ##and not LTI access
+ && (!&Apache::loncommon::show_course()
+ || $lti);
+ next if $$menuitem[4] eq 'notlti'
+ && $lti;
+ next if $$menuitem[4] eq 'ltiexc'
+ && exists($ltiexc{lc($menuitem->[3])});
my $title = $menuitem->[3];
my $position = $menuitem->[5];
if ($position eq '') {
@@ -322,7 +341,7 @@ sub primary_menu {
if ($env{'request.course.id'} && $menucoll) {
if (($menuitem->[6]) && (!$menuopts{$menuitem->[6]})) {
if ($menuitem->[6] eq 'pers') {
- if ($menuopts{'name'} &&
+ if ($menuopts{'name'} && !$ltiexc{'fullname'} &&
$env{'user.name'} && $env{'user.domain'}) {
$menu{$position} .= '
'.
&Apache::loncommon::plainname($env{'user.name'},
@@ -351,13 +370,26 @@ sub primary_menu {
($item->[2] eq 'blog')) &&
(!&Apache::lonnet::usertools_access('','',$item->[2],
undef,'tools')));
+ if (($item->[2] eq 'browsepub') && ($item->[0] eq '/res/')) {
+ if ($env{'request.role'} =~ /^au\./) {
+ $item->[0] .= $env{'request.role.domain'}.'/?launch=1';
+ } elsif ($env{'request.role'} =~ m{^ca\./($match_domain)/($match_username)$}) {
+ $item->[0] .= $1.'/'.$2.'/?launch=1';
+ } elsif (&Apache::lonnet::allowed('bre',$env{'user.domain'})) {
+ $item->[0] .= $env{'user.domain'}.'/?launch=1';
+ } elsif (&Apache::lonnet::allowed('bro','/res/')) {
+ $item->[0] .= '?launch=1';
+ } else {
+ next;
+ }
+ }
if ($env{'request.course.id'} && $menucoll) {
next if ($item->[3]) && (!$menuopts{$item->[3]});
}
push(@primsub,$item);
}
if ($title eq 'Personal') {
- if ($env{'user.name'} && $env{'user.domain'}) {
+ if ($env{'user.name'} && $env{'user.domain'} && !$ltiexc{'fullname'}) {
unless (($env{'request.course.id'}) && ($menucoll) && (!$menuopts{'name'})) {
$title = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
}
@@ -405,6 +437,10 @@ sub primary_menu {
}
my @output = ('','');
if ($menu{'left'} ne '') {
+ if ($collapsible) {
+ $menu{'left'} = ($listclass?'':'').
+ ' '.$menu{'left'};
+ }
$output[0] = "";
}
if ($menu{'right'} ne '') {
@@ -420,10 +456,10 @@ sub primary_menu {
#
#TODO this should probably be moved somewhere more central
#since it can be used by different parts of the system
-sub getauthor{
+sub getauthor {
return unless $env{'request.role'}=~/^(ca|aa|au)/; #nothing to do if user isn't some kind of author
- #co- or assistent author?
+ #co- or assistant author?
my ($dom, $user) = ($env{'request.role'} =~ /^(?:ca|aa)\.\/($match_domain)\/($match_username)$/)
? ($1, $2) #domain, username of the parent author
: @env{ ('request.role.domain', 'user.name') }; #own domain, username
@@ -464,7 +500,17 @@ sub secondary_menu {
my $canplc = &Apache::lonnet::allowed('plc', $crs_sec);
my $author = &getauthor();
- my ($cdom,$cnum,$showsyllabus,$showfeeds,$showresv,$grouptools,%menuopts);
+ my ($is_author,$is_coauthor);
+ if ($author) {
+ if ($env{'request.role'} =~ /^au\./) {
+ $is_author = 1;
+ } elsif ($env{'request.role'} =~ /^ca\./) {
+ $is_coauthor = 1;
+ }
+ }
+
+ my ($cdom,$cnum,$showsyllabus,$showfeeds,$showresv,$grouptools,
+ $lti,$ltimapres,%ltiexc,%menuopts);
$grouptools = 0;
if ($env{'request.course.id'}) {
$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
@@ -498,6 +544,19 @@ sub secondary_menu {
}
}
}
+ if ($env{'request.lti.login'}) {
+ $lti = 1;
+ if (ref($ltimenu) eq 'HASH') {
+ foreach my $item ('fullname','coursetitle','role','logout','grades') {
+ unless ($ltimenu->{$item}) {
+ $ltiexc{$item} = 1;
+ }
+ }
+ }
+ if (($ltiscope eq 'map') || ($ltiscope eq 'resource')) {
+ $ltimapres = 1;
+ }
+ }
}
if (($menucoll) && (ref($menuref) eq 'HASH')) {
%menuopts = %{$menuref};
@@ -509,24 +568,38 @@ sub secondary_menu {
$linkattr = 'aria-disabled="true"';
}
- my ($canmodifycoauthor);
+ my ($canlistcoauthors,$canmodifycoauthor);
if ($env{'request.role'} eq "au./$env{'user.domain'}/") {
my $extent = "$env{'user.domain'}/$env{'user.name'}";
if ((&Apache::lonnet::allowed('cca',$extent)) ||
(&Apache::lonnet::allowed('caa',$extent))) {
$canmodifycoauthor = 1;
}
+ } elsif ($env{'request.role'} =~ m{^(aa|ca)\./($match_domain/$match_username)$}) {
+ my ($role,$extent) = ($1,$2);
+ if (&Apache::lonnet::allowed('vca',$extent)) {
+ if ($env{"environment.internal.manager./$extent"}) {
+ $canmodifycoauthor = 1;
+ } else {
+ $canlistcoauthors = 1;
+ }
+ } elsif (&Apache::lonnet::allowed('vaa',$extent)) {
+ $canlistcoauthors = 1;
+ }
}
my ($roleswitcher_js,$roleswitcher_form);
if ($links_target ne '') {
$target = $links_target;
} else {
- my $deeplinktarget;
+ my ($ltitarget,$deeplinktarget);
+ if ($env{'request.lti.login'}) {
+ $ltitarget = $env{'request.lti.target'};
+ }
if ($env{'request.deeplink.login'}) {
$deeplinktarget = $env{'request.deeplink.target'};
}
- if ($deeplinktarget eq '_self') {
+ if (($ltitarget eq 'iframe') || ($deeplinktarget eq '_self')) {
$target = '_self';
} else {
$target = '_top';
@@ -537,7 +610,11 @@ sub secondary_menu {
# evaluate conditions
next if ref($menuitem) ne 'ARRAY';
next if $$menuitem[4] ne 'always'
- && ($$menuitem[4] ne 'author' && $$menuitem[4] ne 'cca')
+ && $$menuitem[4] ne 'coauthor'
+ && $$menuitem[4] ne 'author'
+ && $$menuitem[4] ne 'authorspace'
+ && $$menuitem[4] ne 'vca'
+ && $$menuitem[4] ne 'mca'
&& !$env{'request.course.id'};
next if $$menuitem[4] =~ /^crsedit/
&& (!$canedit && !$canvieweditor);
@@ -546,7 +623,7 @@ sub secondary_menu {
next if $$menuitem[4] eq 'crseditCommunity'
&& ($crstype eq 'Course');
next if $$menuitem[4] eq 'nvgr'
- && $canvgr;
+ && ($canvgr || $ltiexc{'grades'});
next if $$menuitem[4] eq 'vgr'
&& !$canvgr;
next if $$menuitem[4] eq 'viewusers'
@@ -569,10 +646,26 @@ sub secondary_menu {
&& !$showfeeds;
next if $$menuitem[4] eq 'plc'
&& !$canplc;
- next if $$menuitem[4] eq 'author'
+ next if $$menuitem[4] eq 'authorspace'
&& !$author;
- next if $$menuitem[4] eq 'cca'
+ next if $$menuitem[4] eq 'author'
+ && !$is_author;
+ next if $$menuitem[4] eq 'coauthor'
+ && !$is_coauthor;
+ next if $$menuitem[4] eq 'vca'
+ && (!$canlistcoauthors || $canmodifycoauthor);
+ next if $$menuitem[4] eq 'vaa'
+ && (!$canlistcoauthors || $canmodifycoauthor);
+ next if $$menuitem[4] eq 'mca'
&& !$canmodifycoauthor;
+ next if $$menuitem[4] eq 'notltimapres'
+ && $ltimapres;
+ next if $$menuitem[4] eq 'notlti'
+ && $lti;
+ next if $$menuitem[4] eq 'lti'
+ && (!$lti || !$noprimary);
+ next if $$menuitem[3] eq 'Logout'
+ && $ltiexc{'logout'};
my $title = $menuitem->[3];
if ($env{'request.course.id'} && $menucoll) {
@@ -601,11 +694,23 @@ sub secondary_menu {
next if ($item->[2] eq 'vcg' && !$canviewgrps);
next if ($item->[2] eq 'crsedit' && !$canedit && !$canvieweditor);
next if ($item->[2] eq 'params' && !$canmodpara && !$canviewpara);
- next if ($item->[2] eq 'author' && !$author);
- next if ($item->[2] eq 'cca' && !$canmodifycoauthor);
+ next if ($item->[2] eq 'author' && !$is_author);
+ next if ($item->[2] eq 'vca' && !$canlistcoauthors);
+ next if ($item->[2] eq 'lti' && !$lti);
+ if ($item->[2] =~ /^lti(portfolio|wishlist|blog)$/) {
+ my $tool = $1;
+ next if !$lti;
+ next if (!&Apache::lonnet::usertools_access('','',$tool,
+ undef,'tools'));
+ }
push(@scndsub,$item);
}
}
+ if ($title eq 'Personal' && $env{'user.name'} && $env{'user.domain'}) {
+ unless ($ltiexc{'fullname'}) {
+ $title = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
+ }
+ }
if (@scndsub > 0) {
$menu .= &create_submenu($link,$target,&mt($title),\@scndsub,1,undef,
$listclass,$linkattr);
@@ -673,6 +778,20 @@ sub secondary_menu {
}
$menu =~ s/\[url\]/$escurl/g;
$menu =~ s/\[symb\]/$escsymb/g;
+ } elsif (($menu =~ m{/adm/preferences\?}) && ($menu =~ /\[returnurl\]/)) {
+ my $returnurl = $ENV{'REQUEST_URI'};
+ if ($ENV{'REQUEST_URI'} =~ m{/adm/preferences\?action=authorsettings\&returnurl=([^\&]+)$}) {
+ $returnurl = $1;
+ }
+ if (($returnurl =~ m{^/adm/createuser($|\?action=)}) ||
+ ($returnurl =~ m{^/priv/$match_domain/$match_username}) ||
+ ($returnurl =~ m{^/res(/?$|/$match_domain/$match_username)})) {
+ $returnurl =~ s{\?.*$}{};
+ $returnurl = '&returnurl='.&HTML::Entities::encode($returnurl,'"<>&\'');
+ } else {
+ undef($returnurl);
+ }
+ $menu =~ s/\[returnurl\]/$returnurl/;
}
$menu =~ s/\[uname\]/$$author{user}/g;
$menu =~ s/\[udom\]/$$author{dom}/g;
@@ -825,7 +944,7 @@ sub innerregister {
my ($forcereg,$bread_crumbs,$group,$pagebuttonshide,$hostname,
$ltiscope,$ltiuri,$showncrumbsref) = @_;
my $const_space = ($env{'request.state'} eq 'construct');
- my $is_const_dir = 0;
+ my $in_daxe = 0;
if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
@@ -864,30 +983,33 @@ sub innerregister {
my $restitle = &Apache::lonnet::gettitle($symb);
my (@crumbs,@mapcrumbs);
- if (($env{'request.noversionuri'} ne '/adm/navmaps') && ($mapurl ne '') &&
- ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'})) {
- $navmap = Apache::lonnavmaps::navmap->new();
- if (ref($navmap)) {
- @mapcrumbs = $navmap->recursed_crumbs($mapurl,$restitle);
+ if (($env{'request.noversionuri'} ne '/adm/navmaps') && ($mapurl ne '')) {
+ unless ($ltiscope eq 'resource') {
+ if (($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) &&
+ !(($ltiscope eq 'map') && (&Apache::lonnet::clutter($resurl) eq $ltiuri))) {
+ $navmap = Apache::lonnavmaps::navmap->new();
+ if (ref($navmap)) {
+ @mapcrumbs = $navmap->recursed_crumbs($mapurl,$restitle);
+ }
+ }
}
}
- unless (($forcereg) &&
- ($env{'request.noversionuri'} eq '/adm/navmaps') &&
- ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) {
+ unless (($ltiscope eq 'map') || ($ltiscope eq 'resource')) {
@crumbs = ({text => $crstype.' Contents',
href => "Javascript:gopost('/adm/navmaps','')"});
}
if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) {
if (@mapcrumbs) {
push(@crumbs,@mapcrumbs);
- } else {
+ } elsif (($ltiscope ne 'map') && ($ltiscope ne 'resource')) {
push(@crumbs, {text => '...',
no_mt => 1});
}
}
unless ((@mapcrumbs) || (!$maptitle) || ($maptitle eq 'default.sequence') ||
- ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) {
+ ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'}) ||
+ ($ltiscope eq 'resource')) {
push @crumbs, {text => $maptitle, no_mt => 1,
href => &Apache::lonnet::clutter($mapurl).'?navmap=1'};
}
@@ -916,16 +1038,22 @@ sub innerregister {
if ($env{'form.title'}) {
$title = $env{'form.title'};
}
- my $trail;
+ my ($trail,$cnum,$cdom);
+ if ($env{'form.folderpath'}) {
+ $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
+ }
if ($env{'form.folderpath'}) {
&prepare_functions($resurl,$forcereg,$group,undef,undef,1,$hostname);
+ $title = &HTML::Entities::encode($title,'\'"<>&');
($trail) =
&Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1,1);
} else {
&Apache::lonhtmlcommon::add_breadcrumb(
{text => "Supplemental $crstype Content",
href => "javascript:gopost('/adm/supplemental','')"});
- $title = &mt('View Resource');
+ $title = &HTML::Entities::encode(&mt('View Resource'),'\'"<>&');
($trail) =
&Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1,1);
}
@@ -937,13 +1065,25 @@ sub innerregister {
&Apache::lonhtmlcommon::clear_breadcrumbs();
&prepare_functions('/public'.$courseurl."/syllabus",
$forcereg,$group,undef,undef,1,$hostname);
- $title = &mt('Syllabus File');
+ $title = &HTML::Entities::encode(&mt('Syllabus File'),'\'"<>&');
my ($trail) =
&Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1,1);
if (ref($showncrumbsref)) {
$$showncrumbsref = 1;
}
return $trail;
+ } elsif (($resurl eq '/public'.$courseurl.'/syllabus') &&
+ ($env{'form.folderpath'})) {
+ if ($env{'form.title'}) {
+ $title = $env{'form.title'};
+ } else {
+ $title = 'Syllabus';
+ }
+ &prepare_functions($resurl,$forcereg,$group,undef,undef,1,$hostname);
+ $title = &HTML::Entities::encode($title,'\'"<>&');
+ my ($trail) =
+ &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1,1);
+ return $trail;
}
unless ($env{'request.state'} eq 'construct') {
&Apache::lonhtmlcommon::clear_breadcrumbs();
@@ -994,8 +1134,14 @@ sub innerregister {
$perms{'mdc'} = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
$perms{'cev'} = &Apache::lonnet::allowed('cev',$env{'request.course.id'});
my @privs;
+ my $gradable_exttool;
if ($env{'request.symb'} ne '') {
- if ($env{'request.filename'}=~/$LONCAPA::assess_re/) {
+ if ($env{'request.noversionuri'} =~ m{^/adm/$cdom/$cnum/(\d+)/ext\.tool$}) {
+ if (&Apache::lonnet::EXT('resource.0.gradable') =~ /^yes$/i) {
+ $gradable_exttool = 1;
+ push(@privs,('mgr','vgr'));
+ }
+ } elsif ($env{'request.filename'}=~/$LONCAPA::assess_re/) {
push(@privs,('mgr','vgr'));
}
push(@privs,('opa','vpa'));
@@ -1010,8 +1156,8 @@ sub innerregister {
#
# Determine whether or not to show Grades and Submissions buttons
#
- if ($env{'request.symb'} ne '' &&
- $env{'request.filename'}=~/$LONCAPA::assess_re/) {
+ if (($env{'request.symb'} ne '') &&
+ (($env{'request.filename'}=~/$LONCAPA::assess_re/) || ($gradable_exttool))) {
if ($perms{'mgr'}) {
$hwkadd.= &switch('','',7,2,'pgrd.png','Content Grades',
'grades[_4]',
@@ -1046,11 +1192,107 @@ sub innerregister {
'Folder/Page Content');
}
# End modifiable folder/page container check
+
+#
+# Determine whether to show View As button for shortcut to display problem, answer, and submissions
+#
+
+ if (($env{'request.symb'} ne '') &&
+ ($env{'request.filename'}=~/$LONCAPA::assess_re/) &&
+ (($perms{'mgr'}) || ($perms{'vgr'}))) {
+ my ($viewas,$text,$change,$visibility,$vuname,$vudom,$vid,$leftvis,$defdom,
+ $domselector,$righticon);
+ my %lt = &Apache::lonlocal::texthash(
+ view => 'View',
+ upda => 'Update',
+ );
+ my $possdomstr = $env{'course.'.$env{'request.course.id'}.'.internal.userdomains'};
+ if ($possdomstr =~ /,/) {
+ my @possdoms = split(/,/,$possdomstr);
+ if ($env{'request.user_in_effect'} =~ /^$match_username:($match_domain)$/) {
+ $defdom = $1;
+ } elsif (grep(/^\Q$cdom\E$/,@possdoms)) {
+ $defdom = $cdom;
+ } elsif (&Apache::lonnet::domain($possdoms[0]) ne '') {
+ $defdom = $possdoms[0];
+ }
+ $domselector = &Apache::loncommon::select_dom_form($defdom,'vudom','','','',\@possdoms);
+ } elsif (($possdomstr ne '') && (&Apache::lonnet::domain($possdomstr) ne '')) {
+ if ($env{'request.user_in_effect'} =~ /^$match_username:($match_domain)$/) {
+ $defdom = $1;
+ } else {
+ $defdom = $possdomstr;
+ }
+ }
+ if ($env{'request.user_in_effect'} =~ /^($match_username):($match_domain)$/) {
+ ($vuname,$vudom) = ($1,$2);
+ unless (&Apache::lonnet::is_advanced_user($vudom,$vuname)) {
+ $vid = (&Apache::lonnet::idrget($vudom,$vuname))[1];
+ }
+ $viewas = $env{'request.user_in_effect'};
+ $text = $lt{'upda'};
+ $change = 'off';
+ $visibility = 'inline';
+ $leftvis = 'none';
+ $defdom = $vudom;
+ $righticon = '✖';
+ } else {
+ $text = $lt{'view'};
+ $change = 'on';
+ $visibility = 'none';
+ $leftvis = 'inline';
+ if ($defdom eq '') {
+ $defdom = $cdom;
+ }
+ }
+ my $sellink = &Apache::loncommon::selectstudent_link('userview','vuname','vudom','','','vuidentifier');
+ my $selscript=&Apache::loncommon::studentbrowser_javascript();
+ my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($env{'request.symb'}),'<>&"');
+ my $input;
+ my @items = (
+ '',
+ ''
+ );
+ if ($domselector) {
+ push(@items,$domselector);
+ $input = &mt('[_1]User:[_2] or [_3]ID:[_4] at [_5] | ',@items);
+ } else {
+ $input = &mt('[_1]Username:[_2] or [_3]ID:[_4] | ',@items).
+ '';
+ }
+ $input .= '',
+ '';
+ my $chooser = <
+
+
+END
+ &switch('','',7,5,'viewuser.png','View As','user[_1]',
+ 'toggleViewAsUser('."'$change'".')',
+ 'View As','','','',$chooser);
+ }
+# End view as user check
+
}
# End course context
# Prepare the rest of the buttons
- my ($menuitems,$got_prt,$got_wishlist,$cstritems);
+ my ($menuitems,$got_prt,$got_wishlist,$cstritems,$toplevel_cstr);
if ($const_space) {
#
# We are in construction space
@@ -1061,14 +1303,33 @@ sub innerregister {
($env{'request.filename'}=~m{^\Q$londocroot/priv/\E([^/]+)/([^/]+)/(.*)$});
my $currdir = '/priv/'.$udom.'/'.$uname.'/'.$thisdisfn;
if ($currdir =~ m-/$-) {
- $is_const_dir = 1;
if ($thisdisfn eq '') {
- $is_const_dir = 2;
+ $toplevel_cstr = 1;
+ }
+ my $esc_currdir = &Apache::loncommon::escape_single($currdir);
+ $menuitems=(<new();
+ if (ref($navmap)) {
+ my $mapres = $navmap->getResourceByUrl($ltiuri);
+ if (ref($mapres)) {
+ if ($navmap->isLastResource($mapres,$env{'request.symb'})) {
+ $showforw = 0;
+ }
+ if ($navmap->isFirstResource($mapres,$env{'request.symb'})) {
+ $showback = 0;
+ }
+ }
+ }
+ if ($showback) {
+ $menuitems.="
+s&2&1&back.png&&&gopost('/adm/flip','back:'+currentURL)&Previous content resource&&1";
+ }
+ if ($showforw) {
+ $menuitems.="
+s&2&3&forw.png&&&gopost('/adm/flip','forward:'+currentURL)&Next content resource&&3";
+ }
+ } else {
+ $menuitems.="
+s&2&1&back.png&&&gopost('/adm/flip','back:'+currentURL)&Previous content resource&&1
+s&2&3&forw.png&&&gopost('/adm/flip','forward:'+currentURL)&Next content resource&&3";
+ }
+ $menuitems .= (<