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Diff for /loncom/interface/lonnavmaps.pm between versions 1.509.2.11.2.2 and 1.532

version 1.509.2.11.2.2, 2020/07/19 15:48:18	version 1.532, 2017/07/10 13:01:39
Line 2	Line 2
# Navigate Maps Handler	# Navigate Maps Handler
#	#
# $Id$	# $Id$

#	#
# Copyright Michigan State University Board of Trustees	# Copyright Michigan State University Board of Trustees
#	#
Line 52 described at http://www.lon-capa.org.	Line 51 described at http://www.lon-capa.org.
X<lonnavmaps, overview> When a user enters a course, LON-CAPA examines the	X<lonnavmaps, overview> When a user enters a course, LON-CAPA examines the
course structure and caches it in what is often referred to as the	course structure and caches it in what is often referred to as the
"big hash" X<big hash>. You can see it if you are logged into	"big hash" X<big hash>. You can see it if you are logged into
LON-CAPA, in a course, by going to /adm/test. (You may need to	LON-CAPA, in a course, by going to /adm/test. The content of
tweak the /home/httpd/lonTabs/htpasswd file to view it.) The	the hash will be under the heading "Big Hash".
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	Big Hash contains, among other things, how resources are related
to each other (next/previous), what resources are maps, which	to each other (next/previous), what resources are maps, which
Line 78 Apache::lonnavmaps also provides fairly	Line 84 Apache::lonnavmaps also provides fairly
rendering navmaps, and last but not least, provides the navmaps	rendering navmaps, and last but not least, provides the navmaps
view for when the user clicks the NAV button.	view for when the user clicks the NAV button.

B<Note>: Apache::lonnavmaps I<only> works for the "currently	B<Note>: Apache::lonnavmaps by default will show information
logged in user"; if you want things like "due dates for another	for the "currently logged in user". However, if information
student" lonnavmaps can not directly retrieve information like	about resources is needed for a different user, e.g., a bubblesheet
that. You need the EXT function. This module can still help,	exam which uses randomorder, or randompick needs to be printed or
because many things, such as the course structure, are constant	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	between users, and Apache::lonnavmaps can help by providing
symbs for the EXT call.	symbs for the EXT call.

Line 92 all, then documents the Apache::lonnavma	Line 105 all, then documents the Apache::lonnavma
is the key to accessing the Big Hash information, covers the use	is the key to accessing the Big Hash information, covers the use
of the Iterator (which provides the logic for traversing the	of the Iterator (which provides the logic for traversing the
somewhat-complicated Big Hash data structure), documents 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	=head1 Subroutine: render

Line 486 use Apache::lonlocal;	Line 501 use Apache::lonlocal;
use Apache::lonnet;	use Apache::lonnet;
use Apache::lonmap;	use Apache::lonmap;

use POSIX qw (ceil floor strftime);	use POSIX qw (floor strftime);
use Time::HiRes qw( gettimeofday tv_interval );	use Time::HiRes qw( gettimeofday tv_interval );
use LONCAPA;	use LONCAPA;
use DateTime();	use DateTime();
Line 577 sub getLinkForResource {	Line 592 sub getLinkForResource {
my $anchor;	my $anchor;
if ($res->is_page()) {	if ($res->is_page()) {
foreach my $item (@$stack) { if (defined($item)) { $anchor = $item; } }	foreach my $item (@$stack) { if (defined($item)) { $anchor = $item; } }
if ($anchor->encrypted() && !&advancedUser()) {	$anchor=&escape($anchor->shown_symb());
$anchor='LC_'.$anchor->id();
} else {
$anchor=&escape($anchor->shown_symb());
}
return ($res->link(),$res->shown_symb(),$anchor);	return ($res->link(),$res->shown_symb(),$anchor);
}	}
# in case folder was skipped over as "only sequence"	# in case folder was skipped over as "only sequence"
Line 647 sub getDescription {	Line 658 sub getDescription {
} elsif ($slot_status == $res->RESERVABLE) {	} elsif ($slot_status == $res->RESERVABLE) {
$slotmsg = &mt('Reservable, reservations close [_1]',	$slotmsg = &mt('Reservable, reservations close [_1]',
timeToHumanString($slot_time,'end'));	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 == $res->RESERVABLE_LATER) {	} elsif ($slot_status == $res->RESERVABLE_LATER) {
$slotmsg = &mt('Reservable, reservations open [_1]',	$slotmsg = &mt('Reservable, reservations open [_1]',
timeToHumanString($slot_time,'start'));	timeToHumanString($slot_time,'start'));
Line 945 sub render_resource {	Line 953 sub render_resource {
# links to open and close the folder	# links to open and close the folder

my $whitespace = $location.'/whitespace_21.gif';	my $whitespace = $location.'/whitespace_21.gif';
my $linkopen = "<img src='$whitespace' alt='' />";	my $linkopen = "<img src='$whitespace' alt='' />"."<a href=\"$link\">";
my $nomodal;
if (($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 $linkclose = "</a>";	my $linkclose = "</a>";

# Default icon: unknown page	# Default icon: unknown page
Line 1020 sub render_resource {	Line 1007 sub render_resource {
# Don't allow users to manipulate folder	# Don't allow users to manipulate folder
$icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') . '.gif';	$icon = "navmap.$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."\" />";	$icon = "<img class=\"LC_space\" src='$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\">";	$linkopen = "";
} else {	$linkclose = "";
$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'}))) &&	(&Apache::lonnet::allowed('cev',$env{'request.course.id'}))) &&
($resource->symb=~/\_\_\_[^\_]+\_\_\_uploaded/)) {	($resource->symb=~/\_\_\_[^\_]+\_\_\_uploaded/)) {
if (!$params->{'map_no_edit_link'}) {	if (!$params->{'map_no_edit_link'}) {
my $icon = &Apache::loncommon::lonhttpdurl('/res/adm/pages').'/editmap.png';	my $icon = &Apache::loncommon::lonhttpdurl('/res/adm/pages').'/editmap.png';
Line 1094 sub render_resource {	Line 1078 sub render_resource {
}	}

if (!$params->{'resource_nolink'} && !$resource->is_sequence() && !$resource->is_empty_sequence) {	if (!$params->{'resource_nolink'} && !$resource->is_sequence() && !$resource->is_empty_sequence) {
$linkclose = '</a>';	$result .= "$curMarkerBegin<a href=\"$link\">$title$partLabel</a>$curMarkerEnd$editmapLink$nonLinkedText</td>";
if ($params->{'modalLink'}) {	} else {
my $esclink = &js_escape($link);	$result .= "$curMarkerBegin$linkopen$title$partLabel</a>$curMarkerEnd$editmapLink$nonLinkedText</td>";
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$linkopen$title$partLabel$linkclose$curMarkerEnd$editmapLink$nonLinkedText</td>";

return $result;	return $result;
}	}
Line 1397 sub render {	Line 1372 sub render {
my $currenturl = $env{'form.postdata'};	my $currenturl = $env{'form.postdata'};
#$currenturl=~s/^http\:\/\///;	#$currenturl=~s/^http\:\/\///;
#$currenturl=~s/^[^\/]+//;	#$currenturl=~s/^[^\/]+//;
unless ($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;	my $last;
if (tie(my %hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',	if (tie(my %hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
&GDBM_READER(),0640)) {	&GDBM_READER(),0640)) {
Line 1461 sub render {	Line 1435 sub render {
if ($args->{'iterator_map'}) {	if ($args->{'iterator_map'}) {
my $map = $args->{'iterator_map'};	my $map = $args->{'iterator_map'};
$map = $navmap->getResourceByUrl($map);	$map = $navmap->getResourceByUrl($map);
if (ref($map)) {	my $firstResource = $map->map_start();
my $firstResource = $map->map_start();	my $finishResource = $map->map_finish();
my $finishResource = $map->map_finish();
$args->{'iterator'} = $it = $navmap->getIterator($firstResource, $finishResource, $filterHash, $condition);	$args->{'iterator'} = $it = $navmap->getIterator($firstResource, $finishResource, $filterHash, $condition);
} else {
return;
}
} else {	} else {
$args->{'iterator'} = $it = $navmap->getIterator(undef, undef, $filterHash, $condition,undef,$args->{'include_top_level_map'});	$args->{'iterator'} = $it = $navmap->getIterator(undef, undef, $filterHash, $condition,undef,$args->{'include_top_level_map'});
}	}
Line 1637 END	Line 1608 END
# We also do this even if $args->{'suppressEmptySequences'}	# We also do this even if $args->{'suppressEmptySequences'}
# is not true, so we can hide empty sequences for which the	# is not true, so we can hide empty sequences for which the
# hiddenresource parameter is set to yes (at map level), or	# 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,	# Use DFS for speed, since structure actually doesn't matter,
# except what map has what resources.	# except what map has what resources.

Line 1645 END	Line 1616 END
$it->{FIRST_RESOURCE},	$it->{FIRST_RESOURCE},
$it->{FINISH_RESOURCE},	$it->{FINISH_RESOURCE},
{}, undef, 1);	{}, undef, 1);

my $depth = 0;	my $depth = 0;
$dfsit->next();	$dfsit->next();
my $curRes = $dfsit->next();	my $curRes = $dfsit->next();
Line 1653 END	Line 1623 END
if ($curRes == $dfsit->BEGIN_MAP()) { $depth++; }	if ($curRes == $dfsit->BEGIN_MAP()) { $depth++; }
if ($curRes == $dfsit->END_MAP()) { $depth--; }	if ($curRes == $dfsit->END_MAP()) { $depth--; }

if (ref($curRes)) {	if (ref($curRes)) {
# Parallel pre-processing: Do sequences have non-filtered-out children?	# Parallel pre-processing: Do sequences have non-filtered-out children?
if ($curRes->is_map()) {	if ($curRes->is_map()) {
$curRes->{DATA}->{HAS_VISIBLE_CHILDREN} = 0;	$curRes->{DATA}->{HAS_VISIBLE_CHILDREN} = 0;
Line 1748 END	Line 1718 END
$cnum = $env{'course.'.$env{'request.course.id'}.'.num'};	$cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
}	}

my $inhibitmenu;
if ($args->{'modalLink'}) {
$inhibitmenu = '&inhibitmenu=yes';
}

while (1) {	while (1) {
if ($args->{'sort'}) {	if ($args->{'sort'}) {
$curRes = shift(@resources);	$curRes = shift(@resources);
Line 1793 END	Line 1758 END
next;	next;
} else {	} else {
my $mapname = &Apache::lonnet::declutter($curRes->src());	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 (lc($navmap->get_mapparam(undef,$mapname,"0.hiddenresource")) eq 'yes') {
if ($userCanSeeHidden) {	if ($userCanSeeHidden) {
$args->{'mapHidden'} = 1;	$args->{'mapHidden'} = 1;
Line 1889 END	Line 1854 END
if ($env{'request.course.id'}) {	if ($env{'request.course.id'}) {
if (($is_ssl) && ($src =~ m{^\Q/public/$cdom/$cnum/syllabus\E($\|\?)}) &&	if (($is_ssl) && ($src =~ m{^\Q/public/$cdom/$cnum/syllabus\E($\|\?)}) &&
($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {	($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
unless (&Apache::lonnet::uses_sts()) {	if ($hostname ne '') {
if ($hostname ne '') {	$src = 'http://'.$hostname.$src;
$src = 'http://'.$hostname.$src;
}
$src .= ($srcHasQuestion? '&' : '?') . 'usehttp=1';
$srcHasQuestion = 1;
}	}
	$src .= ($srcHasQuestion? '&' : '?') . 'usehttp=1';
	$srcHasQuestion = 1;
} elsif (($is_ssl) && ($src =~ m{^\Q/adm/wrapper/ext/\E(?!https:)})) {	} elsif (($is_ssl) && ($src =~ m{^\Q/adm/wrapper/ext/\E(?!https:)})) {
unless (&Apache::lonnet::uses_sts()) {	if ($hostname ne '') {
if ($hostname ne '') {	$src = 'http://'.$hostname.$src;
$src = 'http://'.$hostname.$src;
}
$src .= ($srcHasQuestion? '&' : '?') . 'usehttp=1';
$srcHasQuestion = 1;
}	}
}	}
}	}
if (defined($anchor)) { $anchor='#'.$anchor; }	if (defined($anchor)) { $anchor='#'.$anchor; }
if (($args->{'caller'} eq 'sequence') && ($curRes->is_map())) {	$args->{"resourceLink"} = $src.
$args->{"resourceLink"} = $src.($srcHasQuestion?'&':'?') .'navmap=1';	($srcHasQuestion?'&':'?') .
} else {	'symb=' . &escape($symb).$anchor;
$args->{"resourceLink"} = $src.
($srcHasQuestion?'&':'?') .
'symb=' . &escape($symb).$inhibitmenu.$anchor;
}
}	}
# Now, we've decided what parts to show. Loop through them and	# Now, we've decided what parts to show. Loop through them and
# show them.	# show them.
Line 1941 END	Line 1896 END
$currentJumpDelta) {	$currentJumpDelta) {
# Jam the anchor after the <td> tag;	# Jam the anchor after the <td> tag;
# necessary for valid HTML (which Mozilla requires)	# necessary for valid HTML (which Mozilla requires)
$colHTML =~ s/\>/\>\<a name="curloc" \>\<\/a\>/;	$colHTML =~ s/\>/\>\<a name="curloc" \/\>/;
$displayedJumpMarker = 1;	$displayedJumpMarker = 1;
}	}
$result .= $colHTML . "\n";	$result .= $colHTML . "\n";
Line 2234 sub change_user {	Line 2189 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.	# param.xxxx keys.

$self->{PARM_CACHE} = {};	$self->{PARM_CACHE} = {};
Line 2327 sub generate_email_discuss_status {	Line 2282 sub generate_email_discuss_status {
foreach my $msgid (@keys) {	foreach my $msgid (@keys) {
if ((!$emailstatus{$msgid}) \|\| ($emailstatus{$msgid} eq 'new')) {	if ((!$emailstatus{$msgid}) \|\| ($emailstatus{$msgid} eq 'new')) {
my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$fromcid,	my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$fromcid,
$symb,$error) = &Apache::lonmsg::unpackmsgid(&LONCAPA::escape($msgid));	$symb,$error) = &Apache::lonmsg::unpackmsgid($msgid);
&Apache::lonenc::check_decrypt(\$symb);	&Apache::lonenc::check_decrypt(\$symb);
if (($fromcid ne '') && ($fromcid ne $cid)) {	if (($fromcid ne '') && ($fromcid ne $cid)) {
next;	next;
Line 2699 sub parmval {	Line 2654 sub parmval {
return $self->{PARM_CACHE}->{$hashkey};	return $self->{PARM_CACHE}->{$hashkey};
}	}
}	}

my $result = $self->parmval_real($what, $symb, $recurse);	my $result = $self->parmval_real($what, $symb, $recurse);
$self->{PARM_CACHE}->{$hashkey} = $result;	$self->{PARM_CACHE}->{$hashkey} = $result;
if (wantarray) {	if (wantarray) {
Line 2732 sub parmval_real {	Line 2688 sub parmval_real {

my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);	my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);
$mapname = &Apache::lonnet::deversion($mapname);	$mapname = &Apache::lonnet::deversion($mapname);
	my ($recursed,@recurseup);

# ----------------------------------------------------- Cascading lookup scheme	# ----------------------------------------------------- Cascading lookup scheme
my $rwhat=$what;	my $rwhat=$what;
$what=~s/^parameter\_//;	$what=~s/^parameter\_//;
$what=~s/\_/\./;	$what=~s/\_/\./;

my $symbparm=$symb.'.'.$what;	my $symbparm=$symb.'.'.$what;
	my $recurseparm=$mapname.'___(rec).'.$what;
my $mapparm=$mapname.'___(all).'.$what;	my $mapparm=$mapname.'___(all).'.$what;
my $usercourseprefix=$cid;	my $usercourseprefix=$cid;



my $grplevel=$usercourseprefix.'.['.$cgroup.'].'.$what;	my $grplevel=$usercourseprefix.'.['.$cgroup.'].'.$what;
my $grplevelr=$usercourseprefix.'.['.$cgroup.'].'.$symbparm;	my $grplevelr=$usercourseprefix.'.['.$cgroup.'].'.$symbparm;
	my $grpleveli=$usercourseprefix.'.['.$cgroup.'].'.$recurseparm;
my $grplevelm=$usercourseprefix.'.['.$cgroup.'].'.$mapparm;	my $grplevelm=$usercourseprefix.'.['.$cgroup.'].'.$mapparm;


my $seclevel= $usercourseprefix.'.['.$csec.'].'.$what;	my $seclevel= $usercourseprefix.'.['.$csec.'].'.$what;
my $seclevelr=$usercourseprefix.'.['.$csec.'].'.$symbparm;	my $seclevelr=$usercourseprefix.'.['.$csec.'].'.$symbparm;
	my $secleveli=$usercourseprefix.'.['.$csec.'].'.$recurseparm;
my $seclevelm=$usercourseprefix.'.['.$csec.'].'.$mapparm;	my $seclevelm=$usercourseprefix.'.['.$csec.'].'.$mapparm;


my $courselevel= $usercourseprefix.'.'.$what;	my $courselevel= $usercourseprefix.'.'.$what;
my $courselevelr=$usercourseprefix.'.'.$symbparm;	my $courselevelr=$usercourseprefix.'.'.$symbparm;
	my $courseleveli=$usercourseprefix.'.'.$recurseparm;
my $courselevelm=$usercourseprefix.'.'.$mapparm;	my $courselevelm=$usercourseprefix.'.'.$mapparm;


Line 2766 sub parmval_real {	Line 2728 sub parmval_real {
if ($uname and defined($useropt)) {	if ($uname and defined($useropt)) {
if (defined($$useropt{$courselevelr})) { return [$$useropt{$courselevelr},'resource']; }	if (defined($$useropt{$courselevelr})) { return [$$useropt{$courselevelr},'resource']; }
if (defined($$useropt{$courselevelm})) { return [$$useropt{$courselevelm},'map']; }	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']; }	if (defined($$useropt{$courselevel})) { return [$$useropt{$courselevel},'course']; }
}	}

Line 2773 sub parmval_real {	Line 2752 sub parmval_real {
if ($cgroup ne '' and defined($courseopt)) {	if ($cgroup ne '' and defined($courseopt)) {
if (defined($$courseopt{$grplevelr})) { return [$$courseopt{$grplevelr},'resource']; }	if (defined($$courseopt{$grplevelr})) { return [$$courseopt{$grplevelr},'resource']; }
if (defined($$courseopt{$grplevelm})) { return [$$courseopt{$grplevelm},'map']; }	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 (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($$courseopt{$seclevelr})) { return [$$courseopt{$seclevelr},'resource']; }
if (defined($$courseopt{$seclevelm})) { return [$$courseopt{$seclevelm},'map']; }	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']; }	if (defined($$courseopt{$seclevel})) { return [$$courseopt{$seclevel},'course']; }
}	}

Line 2802 sub parmval_real {	Line 2815 sub parmval_real {
# --------------------------------------------------- fifth, check more course	# --------------------------------------------------- fifth, check more course
if (defined($courseopt)) {	if (defined($courseopt)) {
if (defined($$courseopt{$courselevelm})) { return [$$courseopt{$courselevelm},'map']; }	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($$courseopt{$courselevel})) {	if (defined($$courseopt{$courselevel})) {
my $ret = [$$courseopt{$courselevel},'course'];	my $ret = [$$courseopt{$courselevel},'course'];
return $ret;	return $ret;
Line 2841 sub recurseup_maps {	Line 2873 sub recurseup_maps {
return @recurseup;	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);
push(@revmapinfo,{'href' => $env{'request.use_absolute'}.$map->link().'?navmap=1','text' => $map->title(),'no_mt' => 1,});
$totallength += length($map->title());
}
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 $showntitle = &truncate_crumb_text($map->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	# Determines the open/close dates for printing a map that
# encloses a resource.	# encloses a resource.
Line 2938 sub map_printdates {	Line 2885 sub map_printdates {


my $opendate = $self->get_mapparam($res->symb(),'',"$part.printstartdate");	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, $closedate);	return ($opendate, $closedate);
Line 2968 sub get_mapparam {	Line 2915 sub get_mapparam {
my $result='';	my $result='';
my ($recursed,@recurseup);	my ($recursed,@recurseup);


# Figure out which map we are in.	# Figure out which map we are in.

if ($symb && !$mapname) {	if ($symb && !$mapname) {
Line 2976 sub get_mapparam {	Line 2924 sub get_mapparam {
$mapname = &Apache::lonnet::deversion($mapname);	$mapname = &Apache::lonnet::deversion($mapname);
}	}


my $rwhat=$what;	my $rwhat=$what;
$what=~s/^parameter\_//;	$what=~s/^parameter\_//;
$what=~s/\_/\./;	$what=~s/\_/\./;

# Build the hash keys for the lookup:	# Build the hash keys for the lookup:

my $symbparm=$symb.'.'.$what;
my $mapparm=$mapname.'___(all).'.$what;	my $mapparm=$mapname.'___(all).'.$what;
	my $recurseparm=$mapname.'___(rec).'.$what;
my $usercourseprefix=$cid;	my $usercourseprefix=$cid;


my $grplevel = "$usercourseprefix.[$cgroup].$mapparm";	my $grplevelm = "$usercourseprefix.[$cgroup].$mapparm";
my $seclevel = "$usercourseprefix.[$csec].$mapparm";	my $seclevelm = "$usercourseprefix.[$csec].$mapparm";
my $courselevel = "$usercourseprefix.$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:	# Get handy references to the hashes we need in $self:

Line 3003 sub get_mapparam {	Line 2955 sub get_mapparam {


if ($uname and defined($useropt)) {	if ($uname and defined($useropt)) {
if (defined($$useropt{$courselevel})) {	if (defined($$useropt{$courselevelm})) {
return $$useropt{$courselevel};	return $$useropt{$courselevelm};
}	}
if ($what =~ /\.(encrypturl\|hiddenresource)$/) {	if (defined($$useropt{$courseleveli})) {
unless ($recursed) {	return $$useropt{$courseleveli};
@recurseup = $self->recurseup_maps($mapname);	}
$recursed = 1;	unless ($recursed) {
}	@recurseup = $self->recurseup_maps($mapname);
foreach my $item (@recurseup) {	$recursed = 1;
my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;	}
if (defined($$useropt{$norecursechk})) {	foreach my $item (@recurseup) {
if ($what =~ /\.(encrypturl\|hiddenresource)$/) {	my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;
return $$useropt{$norecursechk};	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};
	}
}	}
}	}

Line 3027 sub get_mapparam {	Line 2986 sub get_mapparam {


if ($cgroup ne '' and defined ($courseopt)) {	if ($cgroup ne '' and defined ($courseopt)) {
if (defined($$courseopt{$grplevel})) {	if (defined($$courseopt{$grplevelm})) {
return $$courseopt{$grplevel};	return $$courseopt{$grplevelm};
}	}
if ($what =~ /\.(encrypturl\|hiddenresource)$/) {	if (defined($$courseopt{$grpleveli})) {
unless ($recursed) {	return $$courseopt{$grpleveli};
@recurseup = $self->recurseup_maps($mapname);	}
$recursed = 1;	unless ($recursed) {
}	@recurseup = $self->recurseup_maps($mapname);
foreach my $item (@recurseup) {	$recursed = 1;
my $norecursechk=$usercourseprefix.'.['.$cgroup.'].'.$item.'___(all).'.$what;	}
if (defined($$courseopt{$norecursechk})) {	foreach my $item (@recurseup) {
if ($what =~ /\.(encrypturl\|hiddenresource)$/) {	my $norecursechk=$usercourseprefix.'.['.$cgroup.'].'.$item.'___(all).'.$what;
return $$courseopt{$norecursechk};	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	# Check course -- section


	if ($csec ne '' and defined($courseopt)) {
	if (defined($$courseopt{$seclevelm})) {
	return $$courseopt{$seclevelm};
if ($csec and defined($courseopt)) {
if (defined($$courseopt{$seclevel})) {
return $$courseopt{$seclevel};
}	}
if ($what =~ /\.(encrypturl\|hiddenresource)$/) {	if (defined($$courseopt{$secleveli})) {
unless ($recursed) {	return $$courseopt{$secleveli};
@recurseup = $self->recurseup_maps($mapname);	}
$recursed = 1;	unless ($recursed) {
}	@recurseup = $self->recurseup_maps($mapname);
foreach my $item (@recurseup) {	$recursed = 1;
my $norecursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(all).'.$what;	}
if (defined($$courseopt{$norecursechk})) {	foreach my $item (@recurseup) {
if ($what =~ /\.(encrypturl\|hiddenresource)$/) {	my $norecursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(all).'.$what;
return $$courseopt{$norecursechk};	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:	# Check the map parameters themselves:
Line 3077 sub get_mapparam {	Line 3047 sub get_mapparam {
my $symbparm=$symb.'.'.$what;	my $symbparm=$symb.'.'.$what;
my $thisparm = $$parmhash{$symbparm};	my $thisparm = $$parmhash{$symbparm};
if (defined($thisparm)) {	if (defined($thisparm)) {
return $thisparm;	return $thisparm;
}	}
}	}

Line 3085 sub get_mapparam {	Line 3055 sub get_mapparam {
# Additional course parameters:	# Additional course parameters:

if (defined($courseopt)) {	if (defined($courseopt)) {
if (defined($$courseopt{$courselevel})) {	if (defined($$courseopt{$courselevelm})) {
return $$courseopt{$courselevel};	return $$courseopt{$courselevelm};
}	}
if ($what =~ /\.(encrypturl\|hiddenresource)$/) {	unless ($recursed) {
unless ($recursed) {	@recurseup = $self->recurseup_maps($mapname);
@recurseup = $self->recurseup_maps($mapname);	$recursed = 1;
$recursed = 1;	}
}	if (@recurseup) {
foreach my $item (@recurseup) {	foreach my $item (@recurseup) {
my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;	my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;
if (defined($$courseopt{$norecursechk})) {	if (defined($$courseopt{$norecursechk})) {
if ($what =~ /\.(encrypturl\|hiddenresource)$/) {	if ($what =~ /\.(encrypturl\|hiddenresource)$/) {
return $$courseopt{$norecursechk};	return $$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 {	sub course_printdates {
Line 3145 sub getcourseparam {	Line 3121 sub getcourseparam {
$what=~s/^parameter\_//;	$what=~s/^parameter\_//;
$what=~s/\_/\./;	$what=~s/\_/\./;


my $symbparm = $symb . '.' . $what;
my $mapparm=$mapname.'___(all).'.$what;

# Local refs to the hashes we're going to look at:	# Local refs to the hashes we're going to look at:

my $useropt = $self->{USER_OPT};	my $useropt = $self->{USER_OPT};
Line 3799 sub next {	Line 3771 sub next {
# That ends the main iterator logic. Now, do we want to recurse	# That ends the main iterator logic. Now, do we want to recurse
# down this map (if this resource is a map)?	# down this map (if this resource is a map)?
if ( ($self->{HERE}->is_sequence() \|\| (!$closeAllPages && $self->{HERE}->is_page())) &&	if ( ($self->{HERE}->is_sequence() \|\| (!$closeAllPages && $self->{HERE}->is_page())) &&
(defined($self->{FILTER}->{$self->{HERE}->map_pc()}) xor $self->{CONDITION}) &&	(defined($self->{FILTER}->{$self->{HERE}->map_pc()}) xor $self->{CONDITION})) {
($env{'request.role.adv'} \|\| !$self->{HERE}->randomout())) {
$self->{RECURSIVE_ITERATOR_FLAG} = 1;	$self->{RECURSIVE_ITERATOR_FLAG} = 1;
my $firstResource = $self->{HERE}->map_start();	my $firstResource = $self->{HERE}->map_start();
my $finishResource = $self->{HERE}->map_finish();	my $finishResource = $self->{HERE}->map_finish();
Line 4152 sub new {	Line 4123 sub new {

# This is a speed optimization, to avoid calling symb() too often.	# This is a speed optimization, to avoid calling symb() too often.
$self->{SYMB} = $self->symb();	$self->{SYMB} = $self->symb();

return $self;	return $self;
}	}

Line 4278 sub enclosing_map_src {	Line 4249 sub enclosing_map_src {
}	}
sub symb {	sub symb {
my $self=shift;	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 $first, my $second) = $self->{ID} =~ /(\d+).(\d+)/;
my $symbSrc = &Apache::lonnet::declutter($self->src());	my $symbSrc = &Apache::lonnet::declutter($self->src());
my $symb = &Apache::lonnet::declutter($self->navHash('map_id_'.$first))	my $symb = &Apache::lonnet::declutter($self->navHash('map_id_'.$first))
Line 4549 Returns a string with a comma-separated	Line 4520 Returns a string with a comma-separated
for the hierarchy of maps containing a map, with the top level	for the hierarchy of maps containing a map, with the top level
map first, then descending to deeper levels, with the enclosing map last.	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	=back

=cut	=cut
Line 4590 sub map_hierarchy {	Line 4555 sub map_hierarchy {
my $pc = $self->map_pc();	my $pc = $self->map_pc();
return $self->navHash("map_hierarchy_$pc", 0);	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	# Property queries
Line 4924 sub getReturnHash {	Line 4884 sub getReturnHash {
my $self = shift;	my $self = shift;

if (!defined($self->{RETURN_HASH})) {	if (!defined($self->{RETURN_HASH})) {
my %tmpHash = &Apache::lonnet::restore($self->{SYMB},undef,$self->{DOMAIN},$self->{USERNAME});	#my %tmpHash = &Apache::lonnet::restore($self->{SYMB},undef,$self->{DOMAIN},$self->{USERNAME});
$self->{RETURN_HASH} = \%tmpHash;	#$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}};
}	}
}	}

Line 5156 sub extractParts {	Line 5122 sub extractParts {
my %parts;	my %parts;

# Retrieve part count, if this is a problem	# 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 $partorder = &Apache::lonnet::metadata($self->src(), 'partorder');
my $metadata = &Apache::lonnet::metadata($self->src(), 'packages');	my $metadata = &Apache::lonnet::metadata($self->src(), 'packages');

Line 5730 sub check_for_slot {	Line 5696 sub check_for_slot {
($checkedin,$checkedinslot) = $self->checkedin();	($checkedin,$checkedinslot) = $self->checkedin();
unless ((grep(/^\Q$checkedin\E/,@proctors)) &&	unless ((grep(/^\Q$checkedin\E/,@proctors)) &&
($checkedinslot eq $slot_name)) {	($checkedinslot eq $slot_name)) {
return (NEEDS_CHECKIN,$end,$slot_name);	return (NEEDS_CHECKIN,undef,$slot_name);
}	}
}	}
return (RESERVED,$end,$slot_name);	return (RESERVED,$end,$slot_name);
Line 5776 sub check_for_slot {	Line 5742 sub check_for_slot {
my $reservable = &Apache::lonnet::get_reservable_slots($cnum,$cdom,$env{'user.name'},	my $reservable = &Apache::lonnet::get_reservable_slots($cnum,$cdom,$env{'user.name'},
$env{'user.domain'});	$env{'user.domain'});
if (ref($reservable) eq 'HASH') {	if (ref($reservable) eq 'HASH') {
	my ($map) = &Apache::lonnet::decode_symb($symb);
if ((ref($reservable->{'now_order'}) eq 'ARRAY') && (ref($reservable->{'now'}) eq 'HASH')) {	if ((ref($reservable->{'now_order'}) eq 'ARRAY') && (ref($reservable->{'now'}) eq 'HASH')) {
foreach my $slot (reverse (@{$reservable->{'now_order'}})) {	foreach my $slot (reverse (@{$reservable->{'now_order'}})) {
my $canuse;	my $canuse;
if (($reservable->{'now'}{$slot}{'symb'} eq '') \|\|	if ($reservable->{'now'}{$slot}{'symb'} eq '') {
($reservable->{'now'}{$slot}{'symb'} eq $symb)) {
$canuse = 1;	$canuse = 1;
	} else {
	my %oksymbs;
	my @slotsymbs = split(/\s,\s/,$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 ($canuse) {
if ($checkedin) {	if ($checkedin) {
Line 5802 sub check_for_slot {	Line 5785 sub check_for_slot {
if ((ref($reservable->{'future_order'}) eq 'ARRAY') && (ref($reservable->{'future'}) eq 'HASH')) {	if ((ref($reservable->{'future_order'}) eq 'ARRAY') && (ref($reservable->{'future'}) eq 'HASH')) {
foreach my $slot (@{$reservable->{'future_order'}}) {	foreach my $slot (@{$reservable->{'future_order'}}) {
my $canuse;	my $canuse;
if (($reservable->{'future'}{$slot}{'symb'} eq '') \|\|	if ($reservable->{'future'}{$slot}{'symb'} eq '') {
($reservable->{'future'}{$slot}{'symb'} eq $symb)) {	$canuse = 1;
	} elsif ($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;	$canuse = 1;
}	}
if ($canuse) {	if ($canuse) {

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.509.2.11.2.2
changed lines
	Added in v.1.532