--- rat/lonpageflip.pm 2005/04/07 06:56:27 1.53 +++ rat/lonpageflip.pm 2005/11/09 11:39:00 1.58 @@ -2,7 +2,7 @@ # # Page flip handler # -# $Id: lonpageflip.pm,v 1.53 2005/04/07 06:56:27 albertel Exp $ +# $Id: lonpageflip.pm,v 1.58 2005/11/09 11:39:00 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -73,10 +73,14 @@ sub fullmove { sub hash_src { my ($id)=@_; + my ($mapid,$resid)=split(/\./,$id); + my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid}, + $resid,$hash{'src_'.$id}); if ($hash{'encrypted_'.$id}) { - return &Apache::lonenc::encrypted($hash{'src_'.$id}); + return (&Apache::lonenc::encrypted($hash{'src_'.$id}), + &Apache::lonenc::encrypted($symb)); } - return $hash{'src_'.$id}; + return ($hash{'src_'.$id},$symb); } sub move { @@ -171,6 +175,28 @@ sub move { return ($next,$mapurl); } +sub navlaunch { + my ($r)=@_; + &Apache::loncommon::content_type($r,'text/html'); + &Apache::loncommon::no_cache($r); + $r->send_http_header; + my $html=&Apache::lonxml::xmlbegin(); + $r->print("$html\n"); + $r->print(''. + &Apache::loncommon::bodytag('Launched')); + $r->print(<Goto first resource

+ +

Collapse external navigation window

+ENDNAV + $r->print(&Apache::loncommon::endbodytag().''); +} # ================================================================ Main Handler sub handler { @@ -187,7 +213,7 @@ sub handler { my %cachehash=(); my $multichoice=0; my %multichoicehash=(); - my $redirecturl=''; + my ($redirecturl,$redirectsymb); my $next=''; my @possibilities=(); &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['postdata']); @@ -199,7 +225,20 @@ sub handler { $currenturl=&Apache::lonenc::unencrypted($currenturl); } $currenturl=~s/\.\d+\.(\w+)$/\.$1/; - if ($direction eq 'return') { + if ($direction eq 'firstres') { + my $furl; + if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db', + &GDBM_READER(),0640)) { + $furl=$bighash{'first_url'}; + untie(%bighash); + } + &Apache::loncommon::content_type($r,'text/html'); + $r->header_out(Location => + 'http://'.$ENV{'HTTP_HOST'}.$furl); + + return REDIRECT; + } + if ($direction eq 'return' || $direction eq 'navlaunch') { # -------------------------------------------------------- Return to last known my $last; if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', @@ -217,17 +256,22 @@ sub handler { if ($hash{'encrypted_'.$id}) { $newloc=&Apache::lonenc::encrypted($newloc); } } else { - $newloc='/adm/noidea.html'; + $newloc='/adm/navmaps'; } untie %hash; } else { - $newloc='/adm/noidea.html'; + $newloc='/adm/navmaps'; } - &Apache::loncommon::content_type($r,'text/html'); - $r->header_out(Location => - 'http://'.$ENV{'HTTP_HOST'}.$newloc); - - return REDIRECT; + if ($newloc eq '/adm/navmaps' && $direction eq 'navlaunch') { + &navlaunch($r); + return OK; + } else { + &Apache::loncommon::content_type($r,'text/html'); + $r->header_out(Location => + 'http://'.$ENV{'HTTP_HOST'}.$newloc); + + return REDIRECT; + } } $currenturl=~s/^http\:\/\///; $currenturl=~s/^[^\/]+//; @@ -244,10 +288,15 @@ sub handler { if ($last) { $currenturl=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($last))[2]); } else { - &Apache::loncommon::content_type($r,'text/html'); - $r->header_out(Location => - 'http://'.$ENV{'HTTP_HOST'}.'/adm/noidea.html'); - return REDIRECT; + if ($direction eq 'return') { + &Apache::loncommon::content_type($r,'text/html'); + $r->header_out(Location => + 'http://'.$ENV{'HTTP_HOST'}.'/adm/noidea.html'); + return REDIRECT; + } else { + &navlaunch($r); + return OK; + } } } # ------------------------------------------- Do we have any idea where we are? @@ -283,7 +332,7 @@ sub handler { @possibilities=split(/\,/,$next); if ($#possibilities==0) { # ---------------------------------------------- Only one possibility, redirect - $redirecturl=&hash_src($next); + ($redirecturl,$redirectsymb)=&hash_src($next); $cachehash{$endupmap}{$redirecturl}= [$redirecturl,(split(/\./,$next))[1]]; } else { @@ -337,14 +386,16 @@ sub handler { if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) { $redirecturl='/adm/email?critical=display'; + $redirectsymb=''; } } &Apache::lonnet::appenv('user.criticalcheck.time'=>time); } &Apache::loncommon::content_type($r,'text/html'); - $r->header_out(Location => - 'http://'.$ENV{'HTTP_HOST'}.$redirecturl); + my $url='http://'.$ENV{'HTTP_HOST'}.$redirecturl; + if ($redirectsymb ne '') { $url.='?symb='.&Apache::lonnet::escape($redirectsymb); } + $r->header_out(Location => $url); return REDIRECT; } else { # --------------------------------------------------------- There was a problem