--- loncom/interface/lonnavmaps.pm 2016/10/27 15:17:42 1.509.2.4 +++ loncom/interface/lonnavmaps.pm 2017/07/10 13:01:39 1.532 @@ -1,8 +1,7 @@ # The LearningOnline Network with CAPA # Navigate Maps Handler # -# $Id: lonnavmaps.pm,v 1.509.2.4 2016/10/27 15:17:42 raeburn Exp $ - +# $Id: lonnavmaps.pm,v 1.532 2017/07/10 13:01:39 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -52,9 +51,16 @@ described at http://www.lon-capa.org. X When a user enters a course, LON-CAPA examines the course structure and caches it in what is often referred to as the "big hash" X. You can see it if you are logged into -LON-CAPA, in a course, by going to /adm/test. (You may need to -tweak the /home/httpd/lonTabs/htpasswd file to view it.) The -content of the hash will be under the heading "Big Hash". +LON-CAPA, in a course, by going to /adm/test. The content of +the hash will be under the heading "Big Hash". + +Access to /adm/test is controlled by a domain configuration, +which a Domain Coordinator will set for a server's default domain +via: Main Menu > Set domain configuration > Display (Access to +server status pages checked), and entering a username:domain +or IP address in the "Show user environment" row. Users with +an unexpired domain coordinator role in the server's domain +automatically receive access to /adm/test. Big Hash contains, among other things, how resources are related to each other (next/previous), what resources are maps, which @@ -78,11 +84,18 @@ Apache::lonnavmaps also provides fairly rendering navmaps, and last but not least, provides the navmaps view for when the user clicks the NAV button. -B: Apache::lonnavmaps I works for the "currently -logged in user"; if you want things like "due dates for another -student" lonnavmaps can not directly retrieve information like -that. You need the EXT function. This module can still help, -because many things, such as the course structure, are constant +B: Apache::lonnavmaps by default will show information +for the "currently logged in user". However, if information +about resources is needed for a different user, e.g., a bubblesheet +exam which uses randomorder, or randompick needs to be printed or +graded for named user(s) or specific CODEs, then the username, +domain, or CODE can be passed as arguments when creating a new +navmap object. + +Note if you want things like "due dates for another student, +you would use the EXT function instead of lonnavmaps. +That said, the lonnavmaps module can still help, because many +things, such as the course structure, are usually constant between users, and Apache::lonnavmaps can help by providing symbs for the EXT call. @@ -92,7 +105,9 @@ all, then documents the Apache::lonnavma is the key to accessing the Big Hash information, covers the use of the Iterator (which provides the logic for traversing the somewhat-complicated Big Hash data structure), documents the -Apache::lonnavmaps::Resource objects that are returned by +Apache::lonnavmaps::Resource objects that are returned singularly +by: getBySymb(), getById(), getByMapPc(), and getResourceByUrl() +(can also be as an array), or in an array by retrieveResources(). =head1 Subroutine: render @@ -996,7 +1011,8 @@ sub render_resource { $linkopen = ""; $linkclose = ""; } - if ((&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) && + if (((&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) || + (&Apache::lonnet::allowed('cev',$env{'request.course.id'}))) && ($resource->symb=~/\_\_\_[^\_]+\_\_\_uploaded/)) { if (!$params->{'map_no_edit_link'}) { my $icon = &Apache::loncommon::lonhttpdurl('/res/adm/pages').'/editmap.png'; @@ -1541,7 +1557,8 @@ END $result.=''; } if (($args->{'caller'} eq 'navmapsdisplay') && - (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) { + ((&Apache::lonnet::allowed('mdc',$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 @@ -1591,7 +1608,7 @@ 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. @@ -1599,7 +1616,6 @@ END $it->{FIRST_RESOURCE}, $it->{FINISH_RESOURCE}, {}, undef, 1); - my $depth = 0; $dfsit->next(); my $curRes = $dfsit->next(); @@ -1607,7 +1623,7 @@ END if ($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()) { $curRes->{DATA}->{HAS_VISIBLE_CHILDREN} = 0; @@ -1684,6 +1700,23 @@ END undef($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'}; + } while (1) { if ($args->{'sort'}) { @@ -1725,7 +1758,7 @@ END 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; @@ -1817,8 +1850,22 @@ 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.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) { + if ($hostname ne '') { + $src = 'http://'.$hostname.$src; + } + $src .= ($srcHasQuestion? '&' : '?') . 'usehttp=1'; + $srcHasQuestion = 1; + } elsif (($is_ssl) && ($src =~ m{^\Q/adm/wrapper/ext/\E(?!https:)})) { + if ($hostname ne '') { + $src = 'http://'.$hostname.$src; + } + } + } if (defined($anchor)) { $anchor='#'.$anchor; } - my $srcHasQuestion = $src =~ /\?/; $args->{"resourceLink"} = $src. ($srcHasQuestion?'&':'?') . 'symb=' . &escape($symb).$anchor; @@ -2142,7 +2189,7 @@ 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} = {}; @@ -2607,6 +2654,7 @@ sub parmval { return $self->{PARM_CACHE}->{$hashkey}; } } + my $result = $self->parmval_real($what, $symb, $recurse); $self->{PARM_CACHE}->{$hashkey} = $result; if (wantarray) { @@ -2640,29 +2688,35 @@ sub parmval_real { my ($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.'.'.$mapparm; @@ -2674,6 +2728,23 @@ sub parmval_real { if ($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; + if (defined($$useropt{$norecursechk})) { + if ($what =~ /\.(encrypturl|hiddenresource)$/) { + return [$$useropt{$norecursechk},'map']; + } else { + last; + } + } + my $recursechk=$usercourseprefix.'.'.$item.'___(rec).'.$what; + if (defined($$useropt{$recursechk})) { return [$$useropt{$recursechk},'map']; } + } if (defined($$useropt{$courselevel})) { return [$$useropt{$courselevel},'course']; } } @@ -2681,12 +2752,46 @@ sub parmval_real { if ($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; + if (defined($$courseopt{$norecursechk})) { + if ($what =~ /\.(encrypturl|hiddenresource)$/) { + return [$$courseopt{$norecursechk},'map']; + } else { + last; + } + } + 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; + if (defined($$courseopt{$norecursechk})) { + if ($what =~ /\.(encrypturl|hiddenresource)$/) { + return [$$courseopt{$norecursechk},'map']; + } else { + last; + } + } + my $recursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(rec).'.$what; + if (defined($$courseopt{$recursechk})) { return [$$courseopt{$recursechk},'map']; } + } if (defined($$courseopt{$seclevel})) { return [$$courseopt{$seclevel},'course']; } } @@ -2710,6 +2815,25 @@ sub parmval_real { # --------------------------------------------------- fifth, check more course if (defined($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; + if (defined($$courseopt{$norecursechk})) { + if ($what =~ /\.(encrypturl|hiddenresource)$/) { + return [$$courseopt{$norecursechk},'map']; + } else { + last; + } + } + my $recursechk=$usercourseprefix.'.'.$item.'___(rec).'.$what; + if (defined($$courseopt{$recursechk})) { + return [$$courseopt{$recursechk},'map']; + } + } if (defined($$courseopt{$courselevel})) { my $ret = [$$courseopt{$courselevel},'course']; return $ret; @@ -2732,6 +2856,23 @@ sub parmval_real { if (defined($pack_def)) { return [$pack_def,'resource']; } return ['']; } + +sub recurseup_maps { + my ($self,$mapname) = @_; + my @recurseup; + if ($mapname) { + my $res = $self->getResourceByUrl($mapname); + if (ref($res)) { + my @pcs = split(/,/,$res->map_hierarchy()); + shift(@pcs); + if (@pcs) { + @recurseup = map { &Apache::lonnet::declutter($self->getByMapPc($_)->src()); } reverse(@pcs); + } + } + } + return @recurseup; +} + # # Determines the open/close dates for printing a map that # encloses a resource. @@ -2744,7 +2885,7 @@ 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); @@ -2774,6 +2915,7 @@ sub get_mapparam { my $result=''; my ($recursed,@recurseup); + # Figure out which map we are in. if ($symb && !$mapname) { @@ -2782,21 +2924,25 @@ 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 $self: @@ -2809,9 +2955,30 @@ sub get_mapparam { if ($uname and defined($useropt)) { - if (defined($$useropt{$courselevel})) { - return $$useropt{$courselevel}; + if (defined($$useropt{$courselevelm})) { + return $$useropt{$courselevelm}; } + 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; + if (defined($$useropt{$norecursechk})) { + if ($what =~ /\.(encrypturl|hiddenresource)$/) { + return $$useropt{$norecursechk}; + } else { + last; + } + } + my $recursechk=$usercourseprefix.'.'.$item.'___(rec).'.$what; + if (defined($$useropt{$recursechk})) { + return $$useropt{$recursechk}; + } + } } # Check course -- group @@ -2819,21 +2986,60 @@ sub get_mapparam { if ($cgroup ne '' and defined ($courseopt)) { - if (defined($$courseopt{$grplevel})) { - return $$courseopt{$grplevel}; + if (defined($$courseopt{$grplevelm})) { + return $$courseopt{$grplevelm}; } + 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; + if (defined($$courseopt{$norecursechk})) { + if ($what =~ /\.(encrypturl|hiddenresource)$/) { + return $$courseopt{$norecursechk}; + } else { + last; + } + } + my $recursechk=$usercourseprefix.'.['.$cgroup.'].'.$item.'___(rec).'.$what; + if (defined($$courseopt{$recursechk})) { + return $$courseopt{$recursechk}; + } + } } # Check course -- section - - - - if ($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 (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; + if (defined($$courseopt{$norecursechk})) { + if ($what =~ /\.(encrypturl|hiddenresource)$/) { + return $$courseopt{$norecursechk}; + } else { + last; + } + } + my $recursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(rec).'.$what; + if (defined($$courseopt{$recursechk})) { + return $$courseopt{$recursechk}; + } + } } # Check the map parameters themselves: @@ -2841,7 +3047,7 @@ sub get_mapparam { my $symbparm=$symb.'.'.$what; my $thisparm = $$parmhash{$symbparm}; if (defined($thisparm)) { - return $thisparm; + return $thisparm; } } @@ -2849,11 +3055,31 @@ sub get_mapparam { # Additional course parameters: if (defined($courseopt)) { - if (defined($$courseopt{$courselevel})) { - return $$courseopt{$courselevel}; + if (defined($$courseopt{$courselevelm})) { + return $$courseopt{$courselevelm}; } + unless ($recursed) { + @recurseup = $self->recurseup_maps($mapname); + $recursed = 1; + } + if (@recurseup) { + foreach my $item (@recurseup) { + my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what; + if (defined($$courseopt{$norecursechk})) { + if ($what =~ /\.(encrypturl|hiddenresource)$/) { + return $$courseopt{$norecursechk}; + } else { + last; + } + } + my $recursechk=$usercourseprefix.'.'.$item.'___(rec).'.$what; + if (defined($$courseopt{$recursechk})) { + return $$courseopt{$recursechk}; + } + } + } } - return undef; # Unefined if we got here. + return undef; # Undefined if we got here. } sub course_printdates { @@ -2895,10 +3121,6 @@ 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}; @@ -3901,7 +4123,7 @@ sub new { # This is a speed optimization, to avoid calling symb() too often. $self->{SYMB} = $self->symb(); - + return $self; } @@ -4027,7 +4249,7 @@ 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)) @@ -4557,11 +4779,12 @@ sub duedate { my $date; my @interval=$self->parmval("interval", $part); my $due_date=$self->parmval("duedate", $part); - if ($interval[0] =~ /\d+/) { - my $first_access=&Apache::lonnet::get_first_access($interval[1], - $self->{SYMB}); + if ($interval[0] =~ /^(\d+)/) { + my $timelimit = $1; + my $first_access=&Apache::lonnet::get_first_access($interval[1], + $self->{SYMB}); if (defined($first_access)) { - my $interval = $first_access+$interval[0]; + my $interval = $first_access+$timelimit; $date = (!$due_date || $interval < $due_date) ? $interval : $due_date; } else { @@ -4661,8 +4884,14 @@ 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}}; } } @@ -4893,7 +5122,7 @@ sub extractParts { my %parts; # Retrieve part count, if this is a problem - if ($self->is_problem()) { + if ($self->is_raw_problem()) { my $partorder = &Apache::lonnet::metadata($self->src(), 'partorder'); my $metadata = &Apache::lonnet::metadata($self->src(), 'packages'); @@ -5513,12 +5742,29 @@ 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 ($checkedin) { @@ -5539,8 +5785,26 @@ sub check_for_slot { if ((ref($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) {