--- rat/lonsequence.pm 2008/11/11 16:40:38 1.33 +++ rat/lonsequence.pm 2012/12/19 05:21:13 1.43 @@ -2,7 +2,7 @@ # # Sequence Handler # -# $Id: lonsequence.pm,v 1.33 2008/11/11 16:40:38 jms Exp $ +# $Id: lonsequence.pm,v 1.43 2012/12/19 05:21:13 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -27,45 +27,7 @@ # http://www.lon-capa.org/ # -=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 HANDLER SUBROUTINE - -handler() - -and - -viewmap() - -=head1 OTHER SUBROUTINES - -=over - -=item * - -attemptread() - -=item * - -mapread() - -=item * - -start_fresh_session() - -=back -=cut package Apache::lonsequence; @@ -74,6 +36,7 @@ use Apache::lonnet; use Apache::Constants qw(:common :http REDIRECT); use GDBM_File; use LONCAPA::map(); +use LONCAPA; use Apache::lonpageflip(); use Apache::loncommon(); use Apache::groupsort(); @@ -140,14 +103,15 @@ ENDSCRIPT '

'.$url.'

'); # ------------------ This is trying to select. Provide buttons and tie %selhash if ($env{'form.forceselect'}) { $r->print(< - - +
+ +
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 ($env{'form.launch'} eq '1') { &start_fresh_session(); @@ -164,7 +128,9 @@ ENDSELECT # ----------------------------- successtied is now '1' if in working selectmode my ($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))) { @@ -187,7 +153,7 @@ ENDSELECT if ($successtied) { my $checked=''; if ($selhash{'store_'.$url}) { - $checked=" checked"; + $checked=' checked="checked"'; } $selhash{"pre_${idx}_link"}=$url; $selhash{"pre_${idx}_title"}=$title; @@ -206,7 +172,7 @@ ENDCHECKBOX if ($successtied) { $r->print(''); } else { - $r->print('
'); + $r->print('
'); } } } @@ -253,6 +219,7 @@ sub handler { my $dismapid=''; my $exitdisid = ''; my $arrow_dir = ''; + my $is_encrypted = ''; if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) { my $last; @@ -283,6 +250,9 @@ sub handler { if (!$env{'request.role.adv'}) { $randomout = $bighash{'randomout_'.$disid}; } + if (!$env{'request.role.adv'}) { + $is_encrypted = $bighash{'encrypted_'.$disid}; + } } elsif (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', &GDBM_READER(),0640)) { $last=$hash{'last_known'}; @@ -302,6 +272,9 @@ sub handler { if (!$env{'request.role.adv'}) { $randomout = $bighash{'randomout_'.$disid}; } + if (!$env{'request.role.adv'}) { + $is_encrypted = $bighash{'encrypted_'.$disid}; + } } } $exitdisid = $disid; @@ -315,29 +288,35 @@ sub handler { # now either disurl is set (going to first page), or we need another display if ($disurl) { # -------------------------------------------------- Has first or last resource + my $showdisurl = $disurl; + if ($is_encrypted) { + $showdisurl = &Apache::lonenc::encrypted($disurl); + } &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); + $r->header_out(Location => &Apache::lonnet::absolute_url($ENV{'SERVER_NAME'}). + $showdisurl); return REDIRECT; } else { &Apache::loncommon::content_type($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', ); - my $warnmsg = &mt('As all folders and sequences '); + 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= @@ -362,7 +341,35 @@ 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