--- loncom/interface/lonnavmaps.pm	2023/01/18 00:53:39	1.509.2.14.2.5
+++ loncom/interface/lonnavmaps.pm	2016/11/22 00:43:12	1.525
@@ -1,8 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.509.2.14.2.5 2023/01/18 00:53:39 raeburn Exp $
-
+# $Id: lonnavmaps.pm,v 1.525 2016/11/22 00:43:12 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -486,7 +485,7 @@ use Apache::lonlocal;
 use Apache::lonnet;
 use Apache::lonmap;
 
-use POSIX qw (ceil floor strftime);
+use POSIX qw (floor strftime);
 use Time::HiRes qw( gettimeofday tv_interval );
 use LONCAPA;
 use DateTime();
@@ -577,11 +576,7 @@ sub getLinkForResource {
 	    my $anchor;
 	    if ($res->is_page()) {
 		foreach my $item (@$stack) { if (defined($item)) { $anchor = $item; }  }
-		if ($anchor->encrypted() && !&advancedUser()) {
-		    $anchor='LC_'.$anchor->id();
-		} else {
-		    $anchor=&escape($anchor->shown_symb());
-		}
+		$anchor=&escape($anchor->shown_symb());
 		return ($res->link(),$res->shown_symb(),$anchor);
 	    }
             # in case folder was skipped over as "only sequence"
@@ -647,9 +642,6 @@ sub getDescription {
             } elsif ($slot_status == $res->RESERVABLE) {
                 $slotmsg = &mt('Reservable, reservations close [_1]',
                            timeToHumanString($slot_time,'end'));
-            } elsif ($slot_status == $res->NEEDS_CHECKIN) {
-                $slotmsg = &mt('Reserved, check-in needed - ends [_1]',
-                           timeToHumanString($slot_time,'end'));
             } elsif ($slot_status == $res->RESERVABLE_LATER) {
                 $slotmsg = &mt('Reservable, reservations open [_1]',
                            timeToHumanString($slot_time,'start'));
@@ -945,31 +937,8 @@ sub render_resource {
     # links to open and close the folder
 
     my $whitespace = $location.'/whitespace_21.gif';
-    my ($nomodal,$linkopen,$linkclose);
-    unless ($resource->is_map() || $params->{'resource_nolink'}) {
-        $linkopen = "<img src='$whitespace' alt='' />";
-        $linkclose = "</a>";
-        if (($params->{'modalLink'}) && (!$resource->is_sequence())) {
-            if ($link =~m{^(?:|/adm/wrapper)/ext/([^#]+)}) {
-                my $exturl = $1;
-                if (($ENV{'SERVER_PORT'} == 443) && ($exturl !~ /^https:/)) {
-                    $nomodal = 1;
-                }
-            } elsif (($link eq "/public/$LONCAPA::match_domain/$LONCAPA::match_courseid/syllabus") &&
-                     ($env{'request.course.id'}) && ($ENV{'SERVER_PORT'} == 443) &&
-                     ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
-                $nomodal = 1;
-            }
-            my $esclink = &js_escape($link);
-            if ($nomodal) {
-                $linkopen .= "<a href=\"#\" onclick=\"javascript:window.open('$esclink','resourcepreview','height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1'); return false;\" />";
-            } else {
-                $linkopen .= "<a href=\"$link\" onclick=\"javascript:openMyModal('$esclink',600,500,'yes','true'); return false;\">";
-            }
-        } else {
-            $linkopen .= "<a href=\"$link\">";
-        }
-    }
+    my $linkopen = "<img src='$whitespace' alt='' />"."<a href=\"$link\">";
+    my $linkclose = "</a>";
 
     # Default icon: unknown page
     my $icon = "<img class=\"LC_contentImage\" src='$location/unknown.gif' alt='' />";
@@ -997,12 +966,8 @@ sub render_resource {
         if ($it->{CONDITION}) {
             $nowOpen = !$nowOpen;
         }
-	my $folderType;
-	if (&advancedUser() && $resource->is_missing_map()) {
-	    $folderType = 'none';
-	} else {
-	    $folderType = $resource->is_sequence() ? 'folder' : 'page';
-	}
+	
+	my $folderType = $resource->is_sequence() ? 'folder' : 'page';
         my $title=$resource->title;
 		$title=~s/\"/\&qout;/g;
         if (!$params->{'resource_no_folder_link'}) {
@@ -1021,21 +986,17 @@ sub render_resource {
                 '&amp;jump=' .
                 &escape($resource->symb()) . 
                 "&amp;folderManip=1\">";
-            $linkclose = '</a>';
+
         } else {
             # Don't allow users to manipulate folder
             $icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') . '.gif';
             $icon = "<img class=\"LC_space\" src='$whitespace' alt='' />"."<img class=\"LC_contentImage\" src='$location/$icon' alt=\"".($nowOpen ? &mt('Open Folder') : &mt('Close Folder')).' '.$title."\" />";
-            if ($params->{'caller'} eq 'sequence') {
-                $linkopen = "<a href=\"$link\">";
-                $linkclose = '</a>';
-            } else {
-                $linkopen = "";
-                $linkclose = "";
-            }
+
+            $linkopen = "";
+            $linkclose = "";
         }
         if (((&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) ||
-             (&Apache::lonnet::allowed('cev',$env{'request.course.id'}))) &&
+              (&Apache::lonnet::allowed('cev',$env{'request.course.id'}))) &&
             ($resource->symb=~/\_\_\_[^\_]+\_\_\_uploaded/)) {
             if (!$params->{'map_no_edit_link'}) {
                 my $icon = &Apache::loncommon::lonhttpdurl('/res/adm/pages').'/editmap.png';
@@ -1047,30 +1008,10 @@ sub render_resource {
         }
         if ($params->{'mapHidden'} || $resource->randomout()) {
             $nonLinkedText .= ' <span class="LC_warning">('.&mt('hidden').')</span> ';
-        } elsif ($params->{'mapUnlisted'}) {
-            $nonLinkedText .= ' <span class="LC_warning">('.&mt('unlisted').')</span> ';
-        } elsif ($params->{'mapHiddenDeepLink'} || $resource->deeplinkout()) {
-            $nonLinkedText .= ' <span class="LC_warning">('.&mt('not shown').')</span> ';
         }
     } else {
         if ($resource->randomout()) {
             $nonLinkedText .= ' <span class="LC_warning">('.&mt('hidden').')</span> ';
-        } elsif ($resource->deeplinkout()) {
-            $nonLinkedText .= ' <span class="LC_warning">('.&mt('not shown').')</span> ';
-        } else {
-            my $deeplink = $resource->deeplink($params->{caller});
-            if ((($deeplink eq 'absent') || ($deeplink eq 'grades')) &&
-                  &advancedUser()) {
-                $nonLinkedText .= ' <span class="LC_warning">('.&mt('unlisted').')</span> ';
-            } elsif (($deeplink) && ($deeplink) ne 'full') {
-                if (&advancedUser()) {
-                    $nonLinkedText .= ' <span class="LC_warning">('.&mt('deep-link access').
-                                      ')</span> ';
-                } else {
-                    $nonLinkedText .= ' <span class="LC_warning">('.&mt('access via external site').
-                                      ')</span> ';
-                }
-            }
         }
     }
     if (!$resource->condval()) {
@@ -1121,19 +1062,10 @@ sub render_resource {
     }
 
     if (!$params->{'resource_nolink'} && !$resource->is_sequence() && !$resource->is_empty_sequence) {
-        $linkclose = '</a>';
-        if ($params->{'modalLink'}) {
-            my $esclink = &js_escape($link);
-            if ($nomodal) {
-                $linkopen = "<a href=\"#\" onclick=\"javascript:window.open('$esclink','resourcepreview','height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1'); return false;\" />";
-            } else {
-                $linkopen = "<a href=\"$link\" onclick=\"javascript:openMyModal('$esclink',600,500,'yes','true'); return false;\">";
-            }
-        } else {
-            $linkopen = "<a href=\"$link\">";
-        }
+        $result .= "$curMarkerBegin<a href=\"$link\">$title$partLabel</a>$curMarkerEnd$editmapLink$nonLinkedText</td>";
+    } else {
+        $result .= "$curMarkerBegin$linkopen$title$partLabel</a>$curMarkerEnd$editmapLink$nonLinkedText</td>";
     }
-    $result .= "$curMarkerBegin$linkopen$title$partLabel$linkclose$curMarkerEnd$editmapLink$nonLinkedText</td>";
 
     return $result;
 }
@@ -1395,49 +1327,15 @@ sub render {
         # an infinite loop
         my $oldFilterFunc = $filterFunc;
         $filterFunc = sub { my $res = shift; return !$res->randomout() && 
-                                ($res->deeplink($args->{'caller'}) ne 'absent') &&
-                                ($res->deeplink($args->{'caller'}) ne 'grades') &&
-                                !$res->deeplinkout() &&
                                 &$oldFilterFunc($res);};
     }
 
     my $condition = 0;
     if ($env{'form.condition'}) {
         $condition = 1;
-    } elsif (($env{'request.deeplink.login'}) && ($env{'request.course.id'}) && (!$userCanSeeHidden)) {
-        if (!defined($navmap)) {
-            $navmap = Apache::lonnavmaps::navmap->new();
-        }
-        if (defined($navmap)) {
-            my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-            my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-            my $symb = &Apache::loncommon::symb_from_tinyurl($env{'request.deeplink.login'},$cnum,$cdom);
-            if ($symb) {
-                my $deeplink;
-                my $res = $navmap->getBySymb($symb);
-                if ($res->is_map()) {
-                    my $mapname = &Apache::lonnet::declutter($res->src());
-                    $mapname = &Apache::lonnet::deversion($mapname);
-                    $deeplink = $navmap->get_mapparam(undef,$mapname,"0.deeplink");
-                } else {
-                    $deeplink = $res->deeplink();
-                }
-                if ($deeplink ne '') {
-                    if ((split(/,/,$deeplink))[1] eq 'hide') {
-                        if ($res->is_map()) {
-                            map { $filterHash->{$_} = 1 if $_ } split(/,/,$res->map_hierarchy());
-                        } else {
-                            my $mapurl = (&Apache::lonnet::decode_symb($symb))[0];
-                            my $map = $navmap->getResourceByUrl($mapurl);
-                            map { $filterHash->{$_} = 1 if $_ } split(/,/,$map->map_hierarchy());
-                        }
-                    }
-                }
-            }
-        }
     }
 
-    if (!$env{'form.folderManip'} && !defined($args->{'iterator'}) && !$args->{'nocurrloc'}) {
+    if (!$env{'form.folderManip'} && !defined($args->{'iterator'})) {
         # Step 1: Check to see if we have a navmap
         if (!defined($navmap)) {
             $navmap = Apache::lonnavmaps::navmap->new();
@@ -1458,11 +1356,10 @@ sub render {
             my $currenturl = $env{'form.postdata'};
             #$currenturl=~s/^http\:\/\///;
             #$currenturl=~s/^[^\/]+//;
-            unless ($args->{'caller'} eq 'sequence') { 
-                $here = $jump = &Apache::lonnet::symbread($currenturl);
-            }
+            
+            $here = $jump = &Apache::lonnet::symbread($currenturl);
 	}
-	if (($here eq '') && ($args->{'caller'} ne 'sequence')) { 
+	if ($here eq '') {
 	    my $last;
 	    if (tie(my %hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
                     &GDBM_READER(),0640)) {
@@ -1522,13 +1419,10 @@ sub render {
         if ($args->{'iterator_map'}) {
             my $map = $args->{'iterator_map'};
             $map = $navmap->getResourceByUrl($map);
-            if (ref($map)) {
-                my $firstResource = $map->map_start();
-                my $finishResource = $map->map_finish();
-                $args->{'iterator'} = $it = $navmap->getIterator($firstResource, $finishResource, $filterHash, $condition);
-            } else {
-                return;
-            }
+            my $firstResource = $map->map_start();
+            my $finishResource = $map->map_finish();
+
+            $args->{'iterator'} = $it = $navmap->getIterator($firstResource, $finishResource, $filterHash, $condition);
         } else {
             $args->{'iterator'} = $it = $navmap->getIterator(undef, undef, $filterHash, $condition,undef,$args->{'include_top_level_map'});
         }
@@ -1646,22 +1540,16 @@ END
 	}
 	$result.='</form>';
     }
-    if (($args->{'caller'} eq 'navmapsdisplay') && ($env{'request.course.id'})) {
+    if (($args->{'caller'} eq 'navmapsdisplay') &&
+        ((&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) ||
+         (&Apache::lonnet::allowed('cev',$env{'request.course.id'})))) {
         my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
         my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-        if ($env{'course.'.$env{'request.course.id'}.'.url'} eq
+        if ($env{'course.'.$env{'request.course.id'}.'.url'} eq 
             "uploaded/$cdom/$cnum/default.sequence") {
-            if ((&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) ||
-                (&Apache::lonnet::allowed('cev',$env{'request.course.id'}))) {
-                &add_linkitem($args->{'linkitems'},'edittoplevel',
-                              "javascript:gocmd('/adm/coursedocs','editdocs');",
-                              'Content Editor');
-            }
-            if ($counter) {
-                &add_linkitem($args->{'linkitems'},'printout',
-                              "javascript:gopost('/adm/printout','/adm/navmaps');",
-                              'Prepare a printable document');
-            }
+            &add_linkitem($args->{'linkitems'},'edittoplevel',
+                          "javascript:gocmd('/adm/coursedocs','editdocs');",
+                          'Content Editor');
         }
     }
 
@@ -1704,7 +1592,7 @@ END
     # We also do this even if $args->{'suppressEmptySequences'}
     # is not true, so we can hide empty sequences for which the
     # hiddenresource parameter is set to yes (at map level), or
-    # mark as hidden for users who have $userCanSeeHidden.
+    # mark as hidden for users who have $userCanSeeHidden.  
     # Use DFS for speed, since structure actually doesn't matter,
     # except what map has what resources.
 
@@ -1712,7 +1600,6 @@ END
                                                      $it->{FIRST_RESOURCE},
                                                      $it->{FINISH_RESOURCE},
                                                      {}, undef, 1);
-
     my $depth = 0;
     $dfsit->next();
     my $curRes = $dfsit->next();
@@ -1720,7 +1607,7 @@ END
         if ($curRes == $dfsit->BEGIN_MAP()) { $depth++; }
         if ($curRes == $dfsit->END_MAP()) { $depth--; }
 
-        if (ref($curRes)) {
+        if (ref($curRes)) { 
             # Parallel pre-processing: Do sequences have non-filtered-out children?
             if ($curRes->is_map()) {
                 $curRes->{DATA}->{HAS_VISIBLE_CHILDREN} = 0;
@@ -1797,28 +1684,6 @@ END
 	undef($args->{'sort'});
     }
 
-    # Determine if page will be served with https in case
-    # it contains a syllabus which uses an external URL
-    # which points at an http site.
-
-    my ($is_ssl,$cdom,$cnum,$hostname);
-    if ($ENV{'SERVER_PORT'} == 443) {
-        $is_ssl = 1;
-        if ($r) {
-            $hostname = $r->hostname();
-        } else {
-            $hostname = $ENV{'SERVER_NAME'};
-        }
-    }
-    if ($env{'request.course.id'}) {
-        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-    }
-
-    my $inhibitmenu;
-    if ($args->{'modalLink'}) {
-        $inhibitmenu = '&amp;inhibitmenu=yes';
-    }
 
     while (1) {
 	if ($args->{'sort'}) {
@@ -1855,36 +1720,18 @@ END
 
         # If this is an empty sequence and we're filtering them, continue on
         $args->{'mapHidden'} = 0;
-        $args->{'mapUnlisted'} = 0;
-        $args->{'mapHiddenDeepLink'} = 0;
         if (($curRes->is_map()) && (!$curRes->{DATA}->{HAS_VISIBLE_CHILDREN})) {
             if ($args->{'suppressEmptySequences'}) {
                 next;
             } else {
                 my $mapname = &Apache::lonnet::declutter($curRes->src());
-                $mapname = &Apache::lonnet::deversion($mapname);
+                $mapname = &Apache::lonnet::deversion($mapname); 
                 if (lc($navmap->get_mapparam(undef,$mapname,"0.hiddenresource")) eq 'yes') {
                     if ($userCanSeeHidden) {
                         $args->{'mapHidden'} = 1;
                     } else {
                         next;
                     }
-                } elsif ($curRes->deeplinkout) {
-                    if ($userCanSeeHidden) {
-                        $args->{'mapHiddenDeepLink'} = 1;
-                    } else {
-                        next;
-                    }
-                } else {
-                    my $deeplink = $navmap->get_mapparam(undef,$mapname,"0.deeplink");
-                    my ($state,$others,$listed) = split(/,/,$deeplink);
-                    if (($listed eq 'absent') || ($listed eq 'grades')) {
-                        if ($userCanSeeHidden) {
-                            $args->{'mapUnlisted'} = 1;
-                        } else {
-                            next;
-                        }
-                    }
                 }
             }
         }
@@ -1947,16 +1794,7 @@ END
 		    $args->{'condensed'} = 1;
 		}
             }
-        }
-        # If deep-link parameter is set (and is not set to full) suppress link
-        # unless privileged user, tinyurl used for login resolved to a map, and
-        # the resource is within the map.
-        if ((!$curRes->deeplink($args->{'caller'})) ||
-            ($curRes->deeplink($args->{'caller'}) eq 'full') || &advancedUser()) {
-            $args->{'resource_nolink'} = 0;
-        } else {
-            $args->{'resource_nolink'} = 1;
-        }
+        } 
             
         # If the multipart problem was condensed, "forget" it was multipart
         if (scalar(@parts) == 1) {
@@ -1979,35 +1817,11 @@ END
 		$stack=$it->getStack();
 	    }
 	    ($src,$symb,$anchor)=getLinkForResource($stack);
-            my $srcHasQuestion = $src =~ /\?/;
-            if ($env{'request.course.id'}) {
-                if (($is_ssl) && ($src =~ m{^\Q/public/$cdom/$cnum/syllabus\E($|\?)}) &&
-                    ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
-                    unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
-                        if ($hostname ne '') {
-                            $src = 'http://'.$hostname.$src;
-                        }
-                        $src .= ($srcHasQuestion? '&amp;' : '?') . 'usehttp=1';
-                        $srcHasQuestion = 1;
-                    }
-                } elsif (($is_ssl) && ($src =~ m{^\Q/adm/wrapper/ext/\E(?!https:)})) {
-                    unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
-                        if ($hostname ne '') {
-                            $src = 'http://'.$hostname.$src;
-                        }
-                        $src .= ($srcHasQuestion? '&amp;' : '?') . 'usehttp=1';
-                        $srcHasQuestion = 1;
-                    }
-                }
-            }
 	    if (defined($anchor)) { $anchor='#'.$anchor; }
-            if (($args->{'caller'} eq 'sequence') && ($curRes->is_map())) {
-                $args->{"resourceLink"} = $src.($srcHasQuestion?'&amp;':'?') .'navmap=1';
-            } else {
-	        $args->{"resourceLink"} = $src.
-		    ($srcHasQuestion?'&amp;':'?') .
-		    'symb=' . &escape($symb).$inhibitmenu.$anchor;
-            }
+	    my $srcHasQuestion = $src =~ /\?/;
+	    $args->{"resourceLink"} = $src.
+		($srcHasQuestion?'&amp;':'?') .
+		'symb=' . &escape($symb).$anchor;
 	}
         # Now, we've decided what parts to show. Loop through them and
         # show them.
@@ -2035,7 +1849,7 @@ END
                     $currentJumpDelta) {
                     # Jam the anchor after the <td> tag;
                     # necessary for valid HTML (which Mozilla requires)
-                    $colHTML =~ s/\>/\>\<a name="curloc" \>\<\/a\>/;
+                    $colHTML =~ s/\>/\>\<a name="curloc" \/\>/;
                     $displayedJumpMarker = 1;
                 }
                 $result .= $colHTML . "\n";
@@ -2109,7 +1923,7 @@ sub show_linkitems_toolbar {
             $result .= '<td align="left">'."\n".
                        '<ul id="LC_toolbar">';
             my @linkorder = ('firsthomework','everything','uncompleted',
-                             'changefolder','clearbubbles','printout','edittoplevel');
+                             'changefolder','clearbubbles','edittoplevel');
             foreach my $link (@linkorder) {
                 if (ref($args->{'linkitems'}{$link}) eq 'HASH') {
                     if ($args->{'linkitems'}{$link}{'text'} ne '') {
@@ -2328,7 +2142,7 @@ sub change_user {
 
 
 
-    # Now clear the parm cache and reconstruct the parm hash fromt he big_hash
+    # Now clear the parm cache and reconstruct the parm hash from the big_hash
     # param.xxxx keys.
 
     $self->{PARM_CACHE} = {};
@@ -2421,7 +2235,7 @@ sub generate_email_discuss_status {
     foreach my $msgid (@keys) {
 	if ((!$emailstatus{$msgid}) || ($emailstatus{$msgid} eq 'new')) {
             my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$fromcid,
-                $symb,$error) = &Apache::lonmsg::unpackmsgid(&LONCAPA::escape($msgid));
+                $symb,$error) = &Apache::lonmsg::unpackmsgid($msgid);
             &Apache::lonenc::check_decrypt(\$symb); 
             if (($fromcid ne '') && ($fromcid ne $cid)) {
                 next;
@@ -2522,7 +2336,7 @@ sub getIterator {
     my $self = shift;
     my $iterator = Apache::lonnavmaps::iterator->new($self, shift, shift,
                                                      shift, undef, shift,
-						     shift, shift, shift);
+						     shift, shift);
     return $iterator;
 }
 
@@ -2793,6 +2607,7 @@ sub parmval {
             return $self->{PARM_CACHE}->{$hashkey};
         }
     }
+
     my $result = $self->parmval_real($what, $symb, $recurse);
     $self->{PARM_CACHE}->{$hashkey} = $result;
     if (wantarray) {
@@ -2826,29 +2641,35 @@ sub parmval_real {
 
     my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);
     $mapname = &Apache::lonnet::deversion($mapname);
+    my ($recursed,@recurseup); 
+    
 # ----------------------------------------------------- Cascading lookup scheme
     my $rwhat=$what;
     $what=~s/^parameter\_//;
     $what=~s/\_/\./;
 
     my $symbparm=$symb.'.'.$what;
+    my $recurseparm=$mapname.'___(rec).'.$what;
     my $mapparm=$mapname.'___(all).'.$what;
     my $usercourseprefix=$cid;
-
+    
 
 
     my $grplevel=$usercourseprefix.'.['.$cgroup.'].'.$what;
     my $grplevelr=$usercourseprefix.'.['.$cgroup.'].'.$symbparm;
+    my $grpleveli=$usercourseprefix.'.['.$cgroup.'].'.$recurseparm;
     my $grplevelm=$usercourseprefix.'.['.$cgroup.'].'.$mapparm;
 
 
     my $seclevel= $usercourseprefix.'.['.$csec.'].'.$what;
     my $seclevelr=$usercourseprefix.'.['.$csec.'].'.$symbparm;
+    my $secleveli=$usercourseprefix.'.['.$csec.'].'.$recurseparm;
     my $seclevelm=$usercourseprefix.'.['.$csec.'].'.$mapparm;
 
 
     my $courselevel= $usercourseprefix.'.'.$what;
     my $courselevelr=$usercourseprefix.'.'.$symbparm;
+    my $courseleveli=$usercourseprefix.'.'.$recurseparm;
     my $courselevelm=$usercourseprefix.'.'.$mapparm;
 
 
@@ -2860,6 +2681,17 @@ sub parmval_real {
     if ($uname and defined($useropt)) {
         if (defined($$useropt{$courselevelr})) { return [$$useropt{$courselevelr},'resource']; }
         if (defined($$useropt{$courselevelm})) { return [$$useropt{$courselevelm},'map']; }
+        if (defined($$useropt{$courseleveli})) { return [$$useropt{$courseleveli},'map']; }
+        unless ($recursed) {
+            @recurseup = $self->recurseup_maps($mapname);
+            $recursed = 1;
+        }
+        foreach my $item (@recurseup) {
+            my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;
+            last if (defined($$useropt{$norecursechk}));
+            my $recursechk=$usercourseprefix.'.'.$item.'___(rec).'.$what;
+            if (defined($$useropt{$recursechk})) { return [$$useropt{$recursechk},'map']; } 
+        }
         if (defined($$useropt{$courselevel})) { return [$$useropt{$courselevel},'course']; }
     }
 
@@ -2867,12 +2699,34 @@ sub parmval_real {
     if ($cgroup ne '' and defined($courseopt)) {
         if (defined($$courseopt{$grplevelr})) { return [$$courseopt{$grplevelr},'resource']; }
         if (defined($$courseopt{$grplevelm})) { return [$$courseopt{$grplevelm},'map']; }
+        if (defined($$courseopt{$grpleveli})) { return [$$courseopt{$grpleveli},'map']; } 
+        unless ($recursed) {
+            @recurseup = $self->recurseup_maps($mapname);
+            $recursed = 1;
+        }
+        foreach my $item (@recurseup) {
+            my $norecursechk=$usercourseprefix.'.['.$cgroup.'].'.$item.'___(all).'.$what;
+            last if (defined($$courseopt{$norecursechk}));
+            my $recursechk=$usercourseprefix.'.['.$cgroup.'].'.$item.'___(rec).'.$what;
+            if (defined($$courseopt{$recursechk})) { return [$$courseopt{$recursechk},'map']; }      
+        }
         if (defined($$courseopt{$grplevel})) { return [$$courseopt{$grplevel},'course']; }
     }
 
-    if ($csec and defined($courseopt)) {
+    if ($csec ne '' and defined($courseopt)) {
         if (defined($$courseopt{$seclevelr})) { return [$$courseopt{$seclevelr},'resource']; }
         if (defined($$courseopt{$seclevelm})) { return [$$courseopt{$seclevelm},'map']; }
+        if (defined($$courseopt{$secleveli})) { return [$$courseopt{$secleveli},'map']; } 
+        unless ($recursed) {
+            @recurseup = $self->recurseup_maps($mapname);
+            $recursed = 1;
+        }
+        foreach my $item (@recurseup) {
+            my $norecursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(all).'.$what;
+            last if (defined($$courseopt{$norecursechk}));
+            my $recursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(rec).'.$what;
+            if (defined($$courseopt{$recursechk})) { return [$$courseopt{$recursechk},'map']; }
+        }
         if (defined($$courseopt{$seclevel})) { return [$$courseopt{$seclevel},'course']; }
     }
 
@@ -2896,6 +2750,19 @@ sub parmval_real {
 # --------------------------------------------------- fifth, check more course
     if (defined($courseopt)) {
         if (defined($$courseopt{$courselevelm})) { return [$$courseopt{$courselevelm},'map']; }
+        if (defined($$courseopt{$courseleveli})) { return [$$courseopt{$courseleveli},'map']; }
+        unless ($recursed) {
+            @recurseup = $self->recurseup_maps($mapname);
+            $recursed = 1;
+        }
+        foreach my $item (@recurseup) {
+            my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;
+            last if (defined($$courseopt{$norecursechk}));
+            my $recursechk=$usercourseprefix.'.'.$item.'___(rec).'.$what;
+            if (defined($$courseopt{$recursechk})) {
+                return [$$courseopt{$recursechk},'map'];
+            }
+        }
         if (defined($$courseopt{$courselevel})) {
            my $ret = [$$courseopt{$courselevel},'course'];
            return $ret;
@@ -2935,99 +2802,6 @@ sub recurseup_maps {
     return @recurseup;
 }
 
-sub recursed_crumbs {
-    my ($self,$mapurl,$restitle) = @_;
-    my (@revmapinfo,@revmapres);
-    my $mapres = $self->getResourceByUrl($mapurl);
-    if (ref($mapres)) {
-        @revmapres = map { $self->getByMapPc($_); } split(/,/,$mapres->map_breadcrumbs());
-        shift(@revmapres);
-    }
-    my $allowedlength = 60;
-    my $minlength = 5;
-    my $allowedtitle = 30;
-    if (($env{'environment.icons'} eq 'iconsonly') && (!$env{'browser.mobile'})) {
-        $allowedlength = 100;
-        $allowedtitle = 70;
-    }
-    if (length($restitle) > $allowedtitle) {
-        $restitle = &truncate_crumb_text($restitle,$allowedtitle);
-    }
-    my $totallength = length($restitle);
-    my @links;
-
-    foreach my $map (@revmapres) {
-        my $pc = $map->map_pc();
-        next if ((!$pc) || ($pc == 1));
-        push(@links,$map);
-        my $text = $map->title();
-        if ($text eq '') {
-            $text = '...';
-        }
-        push(@revmapinfo,{'href' => $env{'request.use_absolute'}.$map->link().'?navmap=1','text' => $text,'no_mt' => 1,});
-        $totallength += length($text);
-    }
-    my $numlinks = scalar(@links);
-    if ($numlinks) {
-        if ($totallength - $allowedlength > 0) {
-            my $available = $allowedlength - length($restitle);
-            my $avg = POSIX::ceil($available/$numlinks);
-            if ($avg < $minlength) {
-                $avg = $minlength;
-            }
-            @revmapinfo = ();
-            foreach my $map (@links) {
-                my $title = $map->title();
-                if ($title eq '') {
-                    $title = '...';
-                }
-                my $showntitle = &truncate_crumb_text($title,$avg);
-                if ($showntitle ne '') {
-                    push(@revmapinfo,{'href' => $env{'request.use_absolute'}.$map->link().'?navmap=1','text' => $showntitle,'no_mt' => 1,});
-                }
-            }
-        }
-    }
-    if ($restitle ne '') {
-        push(@revmapinfo,{'text' => $restitle, 'no_mt' => 1});
-    }
-    return @revmapinfo;
-}
-
-sub truncate_crumb_text {
-    my ($title,$limit) = @_;
-    my $showntitle = '';
-    if (length($title) > $limit) {
-        my @words = split(/\b\s*/,$title);
-        if (@words == 1) {
-            $showntitle = substr($title,0,$limit).' ...';
-        } else {
-            my $linklength = 0;
-            my $num = 0;
-            foreach my $word (@words) {
-                $linklength += 1+length($word);
-                if ($word eq '-') {
-                    $showntitle =~ s/ $//;
-                    $showntitle .= $word;
-                } elsif ($linklength > $limit) {
-                    if ($num < @words) {
-                        $showntitle .= $word.' ...';
-                        last;
-                    } else {
-                        $showntitle .= $word;
-                    }
-                } else {
-                    $showntitle .= $word.' ';
-                }
-            }
-            $showntitle =~ s/ $//;
-        }
-        return $showntitle;
-    } else {
-        return $title;
-    }
-}
-
 #
 #  Determines the open/close dates for printing a map that
 #  encloses a resource.
@@ -3040,7 +2814,7 @@ sub map_printdates {
 
 
     my $opendate = $self->get_mapparam($res->symb(),'',"$part.printstartdate");
-    my $closedate= $self->get_mapparam($res->symb(),'', "$part.printenddate");
+    my $closedate= $self->get_mapparam($res->symb(),'',"$part.printenddate");
 
 
     return ($opendate, $closedate);
@@ -3070,6 +2844,7 @@ sub get_mapparam {
     my $result='';
     my ($recursed,@recurseup);
 
+
     # Figure out which map we are in.
 
     if ($symb && !$mapname) {
@@ -3078,21 +2853,25 @@ sub get_mapparam {
         $mapname = &Apache::lonnet::deversion($mapname);
     }
 
+
     my $rwhat=$what;
     $what=~s/^parameter\_//;
     $what=~s/\_/\./;
 
     # Build the hash keys for the lookup:
 
-    my $symbparm=$symb.'.'.$what;
     my $mapparm=$mapname.'___(all).'.$what;
+    my $recurseparm=$mapname.'___(rec).'.$what; 
     my $usercourseprefix=$cid;
 
 
-    my $grplevel    = "$usercourseprefix.[$cgroup].$mapparm";
-    my $seclevel    = "$usercourseprefix.[$csec].$mapparm";
-    my $courselevel = "$usercourseprefix.$mapparm";
-
+    my $grplevelm    = "$usercourseprefix.[$cgroup].$mapparm";
+    my $seclevelm    = "$usercourseprefix.[$csec].$mapparm";
+    my $courselevelm = "$usercourseprefix.$mapparm";
+
+    my $grpleveli    = "$usercourseprefix.[$cgroup].$recurseparm";
+    my $secleveli    = "$usercourseprefix.[$csec].$recurseparm";
+    my $courseleveli = "$usercourseprefix.$recurseparm";
 
     # Get handy references to the hashes we need in $self:
 
@@ -3105,21 +2884,22 @@ sub get_mapparam {
 
 
     if ($uname and defined($useropt)) {
-	if (defined($$useropt{$courselevel})) {
-	    return $$useropt{$courselevel};
+	if (defined($$useropt{$courselevelm})) {
+	    return $$useropt{$courselevelm};
 	}
-        if ($what =~ /\.(encrypturl|hiddenresource)$/) {
-            unless ($recursed) {
-                @recurseup = $self->recurseup_maps($mapname);
-                $recursed = 1;
-            }
-            foreach my $item (@recurseup) {
-                my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;
-                if (defined($$useropt{$norecursechk})) {
-                    if ($what =~ /\.(encrypturl|hiddenresource)$/) {
-                        return $$useropt{$norecursechk};
-                    }
-                }
+        if (defined($$useropt{$courseleveli})) {
+            return $$useropt{$courseleveli};
+        }
+        unless ($recursed) {
+            @recurseup = $self->recurseup_maps($mapname);
+            $recursed = 1;
+        }
+        foreach my $item (@recurseup) {
+            my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;
+            last if (defined($$useropt{$norecursechk}));
+            my $recursechk=$usercourseprefix.'.'.$item.'___(rec).'.$what;
+            if (defined($$useropt{$recursechk})) {
+                return $$useropt{$recursechk};
             }
         }
     }
@@ -3129,21 +2909,22 @@ sub get_mapparam {
 
 
     if ($cgroup ne '' and defined ($courseopt)) {
-	if (defined($$courseopt{$grplevel})) {
-	    return $$courseopt{$grplevel};
+	if (defined($$courseopt{$grplevelm})) {
+	    return $$courseopt{$grplevelm};
 	}
-        if ($what =~ /\.(encrypturl|hiddenresource)$/) {
-            unless ($recursed) {
-                @recurseup = $self->recurseup_maps($mapname);
-                $recursed = 1;
-            }
-            foreach my $item (@recurseup) {
-                my $norecursechk=$usercourseprefix.'.['.$cgroup.'].'.$item.'___(all).'.$what;
-                if (defined($$courseopt{$norecursechk})) {
-                    if ($what =~ /\.(encrypturl|hiddenresource)$/) {
-                        return $$courseopt{$norecursechk};
-                    }
-                }
+        if (defined($$courseopt{$grpleveli})) {
+            return $$courseopt{$grpleveli};
+        }
+        unless ($recursed) {
+            @recurseup = $self->recurseup_maps($mapname);
+            $recursed = 1;
+        }
+        foreach my $item (@recurseup) {
+            my $norecursechk=$usercourseprefix.'.['.$cgroup.'].'.$item.'___(all).'.$what;
+            last if (defined($$courseopt{$norecursechk}));
+            my $recursechk=$usercourseprefix.'.['.$cgroup.'].'.$item.'___(rec).'.$what;
+            if (defined($$courseopt{$recursechk})) {
+                return $$courseopt{$recursechk};
             }
         }
     }
@@ -3151,25 +2932,23 @@ sub get_mapparam {
     # Check course -- section
 
 
-
-
-
-    if ($csec and defined($courseopt)) {
-	if (defined($$courseopt{$seclevel})) {
-	    return $$courseopt{$seclevel};
+    if ($csec ne '' and defined($courseopt)) {
+	if (defined($$courseopt{$seclevelm})) {
+	    return $$courseopt{$seclevelm};
 	}
-        if ($what =~ /\.(encrypturl|hiddenresource)$/) {
-            unless ($recursed) {
-                @recurseup = $self->recurseup_maps($mapname);
-                $recursed = 1;
-            }
-            foreach my $item (@recurseup) {
-                my $norecursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(all).'.$what;
-                if (defined($$courseopt{$norecursechk})) {
-                    if ($what =~ /\.(encrypturl|hiddenresource)$/) {
-                        return $$courseopt{$norecursechk};
-                    }
-                }
+        if (defined($$courseopt{$secleveli})) {
+            return $$courseopt{$secleveli};
+        }
+        unless ($recursed) {
+            @recurseup = $self->recurseup_maps($mapname);
+            $recursed = 1;
+        }
+        foreach my $item (@recurseup) {
+            my $norecursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(all).'.$what;
+            last if (defined($$courseopt{$norecursechk}));
+            my $recursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(rec).'.$what;
+            if (defined($$courseopt{$recursechk})) {
+                return $$courseopt{$recursechk};
             }
         }
     }
@@ -3179,7 +2958,7 @@ sub get_mapparam {
         my $symbparm=$symb.'.'.$what;
         my $thisparm = $$parmhash{$symbparm};
         if (defined($thisparm)) {
-            return $thisparm;
+	    return $thisparm;
         }
     }
 
@@ -3187,25 +2966,25 @@ sub get_mapparam {
     # Additional course parameters:
 
     if (defined($courseopt)) {
-	if (defined($$courseopt{$courselevel})) {
-	    return $$courseopt{$courselevel};
+	if (defined($$courseopt{$courselevelm})) {
+	    return $$courseopt{$courselevelm};
 	}
-        if ($what =~ /\.(encrypturl|hiddenresource)$/) {
-            unless ($recursed) {
-                @recurseup = $self->recurseup_maps($mapname);
-                $recursed = 1;
-            }
+        unless ($recursed) {
+            @recurseup = $self->recurseup_maps($mapname);
+            $recursed = 1;
+        }
+        if (@recurseup) {
             foreach my $item (@recurseup) {
                 my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;
-                if (defined($$courseopt{$norecursechk})) {
-                    if ($what =~ /\.(encrypturl|hiddenresource)$/) {
-                        return $$courseopt{$norecursechk};
-                    }
+                last if (defined($$courseopt{$norecursechk}));
+                my $recursechk=$usercourseprefix.'.'.$item.'___(rec).'.$what;
+                if (defined($$courseopt{$recursechk})) {
+                    return $$courseopt{$recursechk};
                 }
             }
         }
     }
-    return undef;		# Unefined if we got here.
+    return undef;		# Undefined if we got here.
 }
 
 sub course_printdates {
@@ -3247,10 +3026,6 @@ sub getcourseparam {
     $what=~s/^parameter\_//;
     $what=~s/\_/\./;
 
-
-    my $symbparm = $symb . '.' . $what;
-    my $mapparm=$mapname.'___(all).'.$what;
-
     # Local refs to the hashes we're going to look at:
 
     my $useropt   = $self->{USER_OPT};
@@ -3496,7 +3271,7 @@ getIterator behaves as follows:
 
 =over 4
 
-=item * B<getIterator>(firstResource, finishResource, filterHash, condition, forceTop, returnTopMap, $deeplinklisted):
+=item * B<getIterator>(firstResource, finishResource, filterHash, condition, forceTop, returnTopMap):
 
 All parameters are optional. firstResource is a resource reference
 corresponding to where the iterator should start. It defaults to
@@ -3513,10 +3288,7 @@ that is not just a single, 'redirecting'
 will return all information, starting with the top-level map,
 regardless of content. returnTopMap, if true (default false), will
 cause the iterator to return the top-level map object (resource 0.0)
-before anything else. deeplinklisted if true (default false), will
-check "listed" status of a resource with a deeplink, and unless "absent"
-will exclude deeplink checking when retrieving the browsePriv from
-lonnet::allowed().
+before anything else.
 
 Thus, by default, only top-level resources will be shown. Change the
 condition to a 1 without changing the hash, and all resources will be
@@ -3653,10 +3425,6 @@ sub new {
     # have we done that yet?
     $self->{HAVE_RETURNED_0} = 0;
 
-    # Do we want to check the "listed" status for a resource for which
-    # deeplinking applies.
-    $self->{DEEPLINKLISTED} = shift;
-
     # Now, we need to pre-process the map, by walking forward and backward
     # over the parts of the map we're going to look at.
 
@@ -3748,8 +3516,7 @@ sub new {
 						 $finishResource, $self->{FILTER},
 						 $self->{ALREADY_SEEN}, 
 						 $self->{CONDITION},
-						 $self->{FORCE_TOP},
-                                                 undef,$self->{DEEPLINKLISTED});
+						 $self->{FORCE_TOP});
     }
 
     # Set up some bookkeeping information.
@@ -3909,8 +3676,7 @@ sub next {
     # That ends the main iterator logic. Now, do we want to recurse
     # down this map (if this resource is a map)?
     if ( ($self->{HERE}->is_sequence() || (!$closeAllPages && $self->{HERE}->is_page())) &&
-        (defined($self->{FILTER}->{$self->{HERE}->map_pc()}) xor $self->{CONDITION}) &&
-        ($env{'request.role.adv'} || !$self->{HERE}->randomout())) {
+        (defined($self->{FILTER}->{$self->{HERE}->map_pc()}) xor $self->{CONDITION})) {
         $self->{RECURSIVE_ITERATOR_FLAG} = 1;
         my $firstResource = $self->{HERE}->map_start();
         my $finishResource = $self->{HERE}->map_finish();
@@ -3919,14 +3685,13 @@ sub next {
                                               $finishResource, $self->{FILTER},
                                               $self->{ALREADY_SEEN},
 					      $self->{CONDITION},
-					      $self->{FORCE_TOP},
-                                              undef,$self->{DEEPLINKLISTED});
+					      $self->{FORCE_TOP});
     }
 
     # If this is a blank resource, don't actually return it.
     # Should you ever find you need it, make sure to add an option to the code
     #  that you can use; other things depend on this behavior.
-    my $browsePriv = $self->{HERE}->browsePriv($noblockcheck,$self->{DEEPLINKLISTED});
+    my $browsePriv = $self->{HERE}->browsePriv($noblockcheck);
     if (!$self->{HERE}->src() || 
         (!($browsePriv eq 'F') && !($browsePriv eq '2')) ) {
         return $self->next($closeAllPages);
@@ -4263,7 +4028,7 @@ sub new {
     
     # This is a speed optimization, to avoid calling symb() too often.
     $self->{SYMB} = $self->symb();
-   
+
     return $self;
 }
 
@@ -4354,7 +4119,6 @@ sub from { my $self=shift; return $self-
 sub goesto { my $self=shift; return $self->navHash("goesto_", 1); }
 sub kind { my $self=shift; return $self->navHash("kind_", 1); }
 sub randomout { my $self=shift; return $self->navHash("randomout_", 1); }
-sub deeplinkout { my $self=shift; return $self->navHash("deeplinkout_", 1); }
 sub randompick { 
     my $self = shift;
     my $randompick = $self->parmval('randompick');
@@ -4390,7 +4154,7 @@ sub enclosing_map_src {
 }
 sub symb {
     my $self=shift;
-    if (defined($self->{SYMB})) { return $self->{SYMB}; }
+    if (defined $self->{SYMB}) { return $self->{SYMB}; }
     (my $first, my $second) = $self->{ID} =~ /(\d+).(\d+)/;
     my $symbSrc = &Apache::lonnet::declutter($self->src());
     my $symb = &Apache::lonnet::declutter($self->navHash('map_id_'.$first)) 
@@ -4581,11 +4345,6 @@ sub is_sequence {
     return $self->navHash("is_map_", 1) && 
     $self->navHash("map_type_" . $self->map_pc()) eq 'sequence';
 }
-sub is_missing_map {
-    my $self=shift;
-    return $self->navHash("is_map_", 1) &&
-    $self->navHash("map_type_" . $self->map_pc()) eq 'none';
-}
 sub is_survey {
     my $self = shift();
     my $part = shift();
@@ -4615,6 +4374,7 @@ sub is_task {
 
 sub is_empty_sequence {
     my $self=shift;
+    my $src = $self->src();
     return !$self->is_page() && $self->navHash("is_map_", 1) && !$self->navHash("map_type_" . $self->map_pc());
 }
 
@@ -4665,12 +4425,6 @@ Returns a string with a comma-separated
 for the hierarchy of maps containing a map, with the top level
 map first, then descending to deeper levels, with the enclosing map last.
 
-=item * B<map_breadcrumbs>:
-
-Same as map_hierarchy, except maps containing only a single itemm if
-it's a map, or containing no items are omitted, unless it's the top
-level map (map_pc = 1), which is always included.
-
 =back
 
 =cut
@@ -4706,11 +4460,6 @@ sub map_hierarchy {
     my $pc = $self->map_pc();
     return $self->navHash("map_hierarchy_$pc", 0);
 }
-sub map_breadcrumbs {
-    my $self = shift;
-    my $pc = $self->map_pc();
-    return $self->navHash("map_breadcrumbs_$pc", 0);
-}
 
 #####
 # Property queries
@@ -4935,10 +4684,10 @@ sub duedate {
     my $date;
     my @interval=$self->parmval("interval", $part);
     my $due_date=$self->parmval("duedate", $part);
-    if ($interval[0] =~ /(\d+)/) {
+    if ($interval[0] =~ /^(\d+)/) {
         my $timelimit = $1;
         my $first_access=&Apache::lonnet::get_first_access($interval[1],
-                                                          $self->{SYMB});
+                                                           $self->{SYMB});
 	if (defined($first_access)) {
             my $interval = $first_access+$timelimit;
 	    $date = (!$due_date || $interval < $due_date) ? $interval 
@@ -5034,54 +4783,20 @@ sub slot_control {
     my $available = $self->parmval("available", $part); 
     return ($useslots,$availablestudent,$available);
 }
-sub deeplink {
-    my ($self,$caller,$action) = @_;
-    my $deeplink = $self->parmval("deeplink");
-    if ($deeplink) {
-        my ($state,$others,$listed,$scope) = split(/,/,$deeplink);
-        if ($action eq 'getlisted') {
-            return $listed;
-        }
-        if ($env{'request.deeplink.login'}) {
-            my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-            my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-            my $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
-            if ($deeplink_symb) {
-                my ($loginmap,$mapname);
-                if ($deeplink_symb =~ /\.(page|sequence)$/) {
-                    $mapname = $self->enclosing_map_src();
-                    $loginmap = &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
-                    return if ($mapname eq $loginmap);
-                } else {
-                    return if ($deeplink_symb eq $self->symb());
-                    if (($scope eq 'map') || ($scope eq 'rec')) {
-                        $mapname = $self->enclosing_map_src();
-                        $loginmap = &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($deeplink_symb))[0]);
-                        return if ($mapname eq $loginmap);
-                    }
-                }
-                if ($scope eq 'rec') {
-                    my $map_pc = $self->navHash('map_pc_'.$mapname);
-                    my @recurseup = split(/,/,$self->navHash('map_hierarchy_'.$map_pc));
-                    my $login_pc = $self->navHash('map_pc_'.$loginmap);
-                    return if (grep(/^\Q$login_pc\E$/,@recurseup));
-                }
-            }
-        }
-        unless (($caller eq 'sequence') || ($state eq 'both')) {
-            return $listed;
-        }
-    }
-    return;
-}
 
 # Multiple things need this
 sub getReturnHash {
     my $self = shift;
     
     if (!defined($self->{RETURN_HASH})) {
-        my %tmpHash  = &Apache::lonnet::restore($self->{SYMB},undef,$self->{DOMAIN},$self->{USERNAME});
-        $self->{RETURN_HASH} = \%tmpHash;
+        #my %tmpHash  = &Apache::lonnet::restore($self->{SYMB},undef,$self->{DOMAIN},$self->{USERNAME});
+        #$self->{RETURN_HASH} = \%tmpHash;
+        # When info is retrieved for several resources (as when rendering a directory),
+        # it is much faster to use the user profile dump and avoid repeated lonnet requests
+        # (especially since lonnet::currentdump is using Lond directly whenever possible,
+        # and lonnet::restore is not at this point).
+        $self->{NAV_MAP}->get_user_data();
+        $self->{RETURN_HASH} = $self->{NAV_MAP}->{STUDENT_DATA}->{$self->{SYMB}};
     }
 }       
 
@@ -5886,7 +5601,7 @@ sub check_for_slot {
                                 ($checkedin,$checkedinslot) = $self->checkedin();
                                 unless ((grep(/^\Q$checkedin\E/,@proctors)) &&
                                         ($checkedinslot eq $slot_name)) {
-                                    return (NEEDS_CHECKIN,$end,$slot_name); 
+                                    return (NEEDS_CHECKIN,undef,$slot_name); 
                                 }
                             }
                             return (RESERVED,$end,$slot_name);
@@ -5932,12 +5647,29 @@ sub check_for_slot {
         my $reservable = &Apache::lonnet::get_reservable_slots($cnum,$cdom,$env{'user.name'},
                                                                $env{'user.domain'});
         if (ref($reservable) eq 'HASH') {
+            my ($map) = &Apache::lonnet::decode_symb($symb);
             if ((ref($reservable->{'now_order'}) eq 'ARRAY') && (ref($reservable->{'now'}) eq 'HASH')) {
                 foreach my $slot (reverse (@{$reservable->{'now_order'}})) {
                     my $canuse;
-                    if (($reservable->{'now'}{$slot}{'symb'} eq '') ||
-                        ($reservable->{'now'}{$slot}{'symb'} eq $symb)) {
+                    if ($reservable->{'now'}{$slot}{'symb'} eq '') {
                         $canuse = 1;
+                    } else {
+                        my %oksymbs;
+                        my @slotsymbs = split(/\s*,\s*/,$reservable->{'now'}{$slot}{'symb'});
+                        map { $oksymbs{$_} = 1; } @slotsymbs;
+                        if ($oksymbs{$symb}) {
+                            $canuse = 1;
+                        } else {
+                            foreach my $item (@slotsymbs) {
+                                if ($item =~ /\.(page|sequence)$/) {
+                                    (undef,undef, my $sloturl) = &Apache::lonnet::decode_symb($item);
+                                    if (($map ne '') && ($map eq $sloturl)) {
+                                        $canuse = 1;
+                                        last;
+                                    }
+                                }
+                            }
+                        }
                     }
                     if ($canuse) {
                         if ($checkedin) {
@@ -5958,8 +5690,26 @@ sub check_for_slot {
             if ((ref($reservable->{'future_order'}) eq 'ARRAY') && (ref($reservable->{'future'}) eq 'HASH')) {
                 foreach my $slot (@{$reservable->{'future_order'}}) {
                     my $canuse;
-                    if (($reservable->{'future'}{$slot}{'symb'} eq '') ||
-                        ($reservable->{'future'}{$slot}{'symb'} eq $symb)) {
+                    if ($reservable->{'future'}{$slot}{'symb'} eq '') {
+                        $canuse = 1;
+                    } elsif ($reservable->{'future'}{$slot}{'symb'} =~ /,/) {
+                        my %oksymbs;
+                        my @slotsymbs = split(/\s*,\s*/,$reservable->{'future'}{$slot}{'symb'});
+                        map { $oksymbs{$_} = 1; } @slotsymbs;
+                        if ($oksymbs{$symb}) {
+                            $canuse = 1;
+                        } else {
+                            foreach my $item (@slotsymbs) {
+                                if ($item =~ /\.(page|sequence)$/) {
+                                    (undef,undef, my $sloturl) = &Apache::lonnet::decode_symb($item);
+                                    if (($map ne '') && ($map eq $sloturl)) {
+                                        $canuse = 1;
+                                        last;
+                                    }
+                                }
+                            }
+                        }
+                    } elsif ($reservable->{'future'}{$slot}{'symb'} eq $symb) {
                         $canuse = 1;
                     }
                     if ($canuse) {
@@ -6205,23 +5955,13 @@ sub getPrevious {
 sub browsePriv {
     my $self = shift;
     my $noblockcheck = shift;
-    my $deeplinklisted = shift;
     if (defined($self->{BROWSE_PRIV})) {
         return $self->{BROWSE_PRIV};
     }
-    my ($nodeeplinkcheck,$nodeeplinkout);
-    if ($deeplinklisted) {
-        my $deeplink = $self->deeplink(undef,'getlisted');
-        if (($deeplink) && ($deeplink ne 'absent')) {
-            $nodeeplinkcheck = 1;
-        }
-        $nodeeplinkout = 1;
-    }
+
     $self->{BROWSE_PRIV} = &Apache::lonnet::allowed('bre',$self->src(),
 						    $self->{SYMB},undef,
-                                                    undef,$noblockcheck,
-                                                    undef,$nodeeplinkcheck,
-                                                    $nodeeplinkout);
+                                                    undef,$noblockcheck);
 }
 
 =pod