-
-
+
ENDSELECT
my $diropendb =
- "/home/httpd/perl/tmp/$env{'user.domain'}\_$env{'user.name'}_sel_res.db";
+ LONCAPA::tempdir() .
+ "$env{'user.domain'}\_$env{'user.name'}_sel_res.db";
if (tie(%selhash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {
if ($env{'form.launch'} eq '1') {
&start_fresh_session();
@@ -114,89 +122,60 @@ ENDSELECT
$successtied=1;
# - Evaluate actions from previous page (both cumulatively and chronologically)
- if ($env{'form.catalogmode'} eq 'import') {
- my $acts=$env{'form.acts'};
- my @Acts=split(/b/,$acts);
- my %ahash;
- my %achash;
- my $ac=0;
- # some initial hashes for working with data
- foreach (@Acts) {
- my ($state,$ref)=split(/a/);
- $ahash{$ref}=$state;
- $achash{$ref}=$ac;
- $ac++;
- }
- # sorting through the actions and changing the tied database hash
- foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
- my $key=$_;
- if ($ahash{$key} eq '1') {
- $selhash{'store_'.$selhash{'pre_'.$key.'_link'}}=
- $selhash{'pre_'.$key.'_title'};
- $selhash{'storectr_'.$selhash{'pre_'.$key.'_link'}}=
- $selhash{'storectr'}+0;
- $selhash{'storectr'}++;
- }
- if ($ahash{$key} eq '0') {
- if ($selhash{'store_'.$selhash{'pre_'.$key.'_link'}}) {
- delete $selhash{'store_'.$selhash{'pre_'.$key.'_link'}};
- }
- }
- }
- # deleting the previously cached listing
- foreach (keys %selhash) {
- if ($_ =~ /^pre_/ && $_ =~/link$/) {
- my $key = $_;
- $key =~ s/^pre_//;
- $key =~ s/_[^_]*$//;
- delete $selhash{'pre_'.$key.'_title'};
- delete $selhash{'pre_'.$key.'_link'};
- }
+ if ($env{'form.catalogmode'} eq 'import') {
+ &Apache::groupsort::update_actions_hash(\%selhash);
}
- }
# -
}
}
# ----------------------------- successtied is now '1' if in working selectmode
my ($errtext,$fatal)=&mapread(&Apache::lonnet::filelocation('',$url),'');
if ($fatal==1) {
- $r->print(''.&mt('Map contents are not shown in order.').'
');
+ $r->print(''
+ .&mt('Map contents are not shown in order.')
+ .'
');
}
my $idx=0;
- foreach (&attemptread(&Apache::lonnet::filelocation('',$url))) {
- if (defined($_)) {
+ foreach my $entry (&attemptread(&Apache::lonnet::filelocation('',$url))) {
+ if (defined($entry)) {
$idx++;
if ($successtied) {
$r->print('');
} else {
- $r->print('
');
+ $r->print('
');
}
}
}
@@ -208,12 +187,12 @@ ENDCHECKBOX
# ----------------------------------------------------------- Clean out selhash
sub start_fresh_session {
- foreach (keys %selhash) {
- if ($_ =~ /^pre_/) {
- delete $selhash{$_};
+ foreach my $item (keys(%selhash)) {
+ if ($item =~ /^pre_/) {
+ delete $selhash{$item};
}
- if ($_ =~ /^store/) {
- delete $selhash{$_};
+ if ($item =~ /^store/) {
+ delete $selhash{$item};
}
}
}
@@ -229,13 +208,136 @@ sub handler {
$r->send_http_header;
return OK;
}
-
+
+ my $requrl=$r->uri;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
- ['forceselect','launch']);
+ ['forceselect','launch','navmap']);
+
+ if (($env{'request.course.fn'}) && ($env{'form.navmap'}) && ($env{'request.course.id'})) {
+ my $crstype = &Apache::loncommon::course_type();
+ unless (($crstype eq 'Placement') && (!$env{'request.role.adv'})) {
+
+ # Check for critical messages and redirect if present.
+ my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'contents');
+ if ($redirect) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->header_out(Location => $url);
+ return REDIRECT;
+ }
+
+ # Check if course needs to be re-initialized
+ my $loncaparev = $r->dir_config('lonVersion');
+ my ($result,@reinit) = &Apache::loncommon::needs_coursereinit($loncaparev);
+
+ if ($result eq 'switch') {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ $r->print(&Apache::loncommon::check_release_result(@reinit));
+ return OK;
+ } elsif ($result eq 'update') {
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
+ if ($ferr) {
+ my $requrl = $r->uri;
+ $env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
+ $env{'user.reinit'} = 1;
+ return HTTP_NOT_ACCEPTABLE;
+ }
+ }
+
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+
+ my $mapurl = &Apache::lonnet::declutter($requrl);
+ my $maptitle = &Apache::lonnet::gettitle($mapurl);
+ my @crumbs = ({text => $maptitle, no_mt => 1});
+ my $args = {'bread_crumbs' => \@crumbs,
+ 'bread_crumbs_nomenu' => 1};
+
+ # Create the nav map
+ my $navmap = Apache::lonnavmaps::navmap->new();
+
+ if (ref($navmap)) {
+ # renderer call
+ if (&Apache::lonnet::is_on_map($requrl)) {
+ my ($ltiscope,$ltiuri);
+ if (($env{'request.lti.login'}) && ($env{'request.lti.uri'})) {
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ ($ltiscope,$ltiuri) = &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},$cdom,$cnum);
+ }
+ @crumbs = ();
+ unless ($ltiscope eq 'resource') {
+ unless ($ltiscope eq 'map') {
+ @crumbs = ({text => $crstype.' Contents',
+ href => "javascript:gopost('/adm/navmaps','')"});
+ }
+ my $res = $navmap->getResourceByUrl($mapurl);
+ if (ref($res)) {
+ my $symb = $res->symb();
+ if ($symb) {
+ my ($parent) = &Apache::lonnet::decode_symb($res->symb());
+ if (($parent ne $env{'course.'.$env{'request.course.id'}.'.url'}) &&
+ !(($ltiscope eq 'map') && ($requrl eq $ltiuri))) {
+ my @mapcrumbs = $navmap->recursed_crumbs($parent);
+ if (@mapcrumbs) {
+ push(@crumbs,@mapcrumbs);
+ }
+ }
+ $env{'request.symb'} = $symb;
+ }
+ }
+ }
+ push(@crumbs,{text => $maptitle, no_mt => 1});
+ $args = {'bread_crumbs' => \@crumbs,
+ 'bread_crumbs_nomenu' => 1,
+ 'no_auto_mt_title' => 1};
+ $r->print(&Apache::loncommon::start_page($maptitle,undef,$args));
+
+ my $renderArgs = { 'cols' => [0,1,2,3],
+ 'url' => $mapurl,
+ 'navmap' => $navmap,
+ 'suppressNavmap' => 1,
+ 'suppressEmptySequences' => 1,
+ 'filterFunc' => undef,
+ 'resource_no_folder_link' => 1,
+ 'r' => $r,
+ 'caller' => 'sequence',
+ 'notools' => 1,
+ 'iterator_map' => $mapurl,
+ };
+
+ my $render = &Apache::lonnavmaps::render($renderArgs);
+
+ # If no resources were found let the user know.
+ if ($renderArgs->{'counter'} == 0) {
+ $r->print(''.
+ &mt('No items found in folder').
+ '
');
+ }
+ $r->print(&Apache::loncommon::end_page());
+ } else {
+ $r->print(&Apache::loncommon::start_page($maptitle,undef,$args).
+ ''.
+ &mt('Folder no longer appears to be a part of the course').
+ '
'.
+ &Apache::loncommon::end_page());
+ }
+ } else {
+ $r->print(&Apache::loncommon::start_page($maptitle,undef,$args).
+ ''.
+ &mt('Error: could not determine contents of folder').
+ '
'.
+ &Apache::loncommon::end_page());
+ }
+ $r->rflush();
+ return OK;
+ }
+ }
my %hash;
my %bighash;
- my $requrl=$r->uri;
$successtied=0;
# ------------------------------------------------------------ Tie symb db file
@@ -243,6 +345,7 @@ sub handler {
my $dismapid='';
my $exitdisid = '';
my $arrow_dir = '';
+ my $is_encrypted = '';
if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) {
my $last;
@@ -272,7 +375,8 @@ sub handler {
$dismapid=(split(/\./,$disid))[1];
if (!$env{'request.role.adv'}) {
$randomout = $bighash{'randomout_'.$disid};
- }
+ $is_encrypted = $bighash{'encrypted_'.$disid};
+ }
} elsif (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
&GDBM_READER(),0640)) {
$last=$hash{'last_known'};
@@ -291,7 +395,8 @@ sub handler {
$dismapid=(split(/\./,$disid))[1];
if (!$env{'request.role.adv'}) {
$randomout = $bighash{'randomout_'.$disid};
- }
+ $is_encrypted = $bighash{'encrypted_'.$disid};
+ }
}
}
$exitdisid = $disid;
@@ -305,29 +410,42 @@ sub handler {
# now either disurl is set (going to first page), or we need another display
if ($disurl) {
# -------------------------------------------------- Has first or last resource
- &Apache::lonnet::symblist($requrl,$disurl => [$disurl,$dismapid],
- 'last_known' => [$disurl,$dismapid]);
+ my $showdisurl = $disurl;
+ if ($is_encrypted) {
+ $showdisurl = &Apache::lonenc::encrypted($disurl);
+ }
+ if ($disurl =~ m{^/adm/navmaps(\?|$)}) {
+ &Apache::lonnet::symblist($requrl,$disurl => [$disurl,$dismapid]);
+ } else {
+ &Apache::lonnet::symblist($requrl,$disurl => [$disurl,$dismapid],
+ 'last_known' => [$disurl,$dismapid]);
+ }
&Apache::loncommon::content_type($r,'text/html');
- $r->header_out(Location => 'http://'.$ENV{'HTTP_HOST'}.$disurl);
+ $r->header_out(Location => &Apache::lonnet::absolute_url().
+ $showdisurl);
return REDIRECT;
} else {
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
if ($exitdisid eq '' && $arrow_dir ne '') {
my %lt =&Apache::lonlocal::texthash(
- 'back' => 'beginning',
- 'forward' => 'end',
'nere' => 'Next resource could not be displayed',
'goba' => 'Go Back',
- 'nacc' => 'Navigate Course Content',
+ 'nacc' => 'Course Contents',
);
- my $warnmsg = &mt('As all folders and sequences ');
+ if (&Apache::loncommon::course_type() eq 'Community') {
+ $lt{'nav'} = &mt('Community Contents');
+ }
+ my $warnmsg;
if ($arrow_dir eq 'forward') {
- $warnmsg .= &mt('following the current resource were empty').',';
+ $warnmsg = &mt('As all folders and sequences '
+ .'following the current resource were empty, '
+ .'you have now reached the end of the course.');
} elsif ($arrow_dir eq 'back') {
- $warnmsg .= &mt('preceding the current resource were empty').',';
+ $warnmsg = &mt('As all folders and sequences '
+ .'preceding the current resource were empty, '
+ .'you have now reached the beginning of the course.');
}
- $warnmsg .= &mt('you have now reached the').' '.$lt{$arrow_dir}.' '.&mt('of the course.');
my $start_page=
&Apache::loncommon::start_page('Empty Folder/Sequence');
my $end_page=
@@ -352,7 +470,35 @@ ENDNONE
1;
__END__
+=head1 NAME
+
+Apache::lonsequence
+
+=head1 SYNOPSIS
+
+Handler for showing sequence objects of
+educational resources.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 SUBROUTINES
+
+=over
+
+=item handler()
+
+=item viewmap()
+
+=item attemptread()
+
+=item mapread()
+
+=item start_fresh_session()
+
+=back
+=cut