--- rat/lonpage.pm 2000/09/16 17:42:01 1.6 +++ rat/lonpage.pm 2001/05/04 19:33:46 1.21 @@ -4,13 +4,15 @@ # (TeX Content Handler # # 05/29/00,05/30 Gerd Kortemeyer) -# 08/30,08/31,09/06,09/14,09/15,09/16 Gerd Kortemeyer +# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23, +# 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer package Apache::lonpage; use strict; use Apache::Constants qw(:common :http); use Apache::lonnet(); +use Apache::lonxml(); use HTML::TokeParser; use GDBM_File; @@ -73,10 +75,28 @@ sub tracetable { } if (defined($hash{'to_'.$rid})) { + my $mincond=1; + my $next=''; map { - my $now=&tracetable($sofar,$hash{'goesto_'.$_},$beenhere); - if ($now>$further) { $further=$now; } + my $thiscond= + &Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}}); + if ($thiscond>=$mincond) { + if ($next) { + $next.=','.$_.':'.$thiscond; + } else { + $next=$_.':'.$thiscond; + } + if ($thiscond>$mincond) { $mincond=$thiscond; } + } } split(/\,/,$hash{'to_'.$rid}); + map { + my ($linkid,$condval)=split(/\:/,$_); + if ($condval>=$mincond) { + my $now=&tracetable($sofar,$hash{'goesto_'.$linkid},$beenhere); + if ($now>$further) { $further=$now; } + } + } split(/\,/,$next); + } } return $further; @@ -104,7 +124,7 @@ sub handler { if ($ENV{'request.course.fn'}) { my $fn=$ENV{'request.course.fn'}; if (-e "$fn.db") { - if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_WRCREAT,0640)) { + if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) { # ------------------------------------------------------------------- Hash tied my $firstres=$hash{'map_start_'.$requrl}; my $lastres=$hash{'map_finish_'.$requrl}; @@ -122,10 +142,26 @@ sub handler { } } +# ------------------------------------------------------------ Add to symb list + my $i; + my %symbhash=(); + for ($i=0;$i<=$#rows;$i++) { + if ($rows[$i]) { + my @colcont=split(/\&/,$rows[$i]); + map { + $symbhash{$hash{'src_'.$_}}=''; + } @colcont; + } + } + &Apache::lonnet::symblist($requrl,%symbhash); + +# ------------------------------------------------------------------ Page parms + my $j; my $lcm=1; my $contents=0; + my $nforms=0; my %ssibody=(); my %ssibgcolor=(); @@ -133,8 +169,18 @@ sub handler { my %ssilink=(); my %ssivlink=(); my %ssialink=(); + + my %metalink=(); + my %cellemb=(); + my $allscript=''; + my $allmeta=''; + + my $isxml=0; + my $xmlheader=''; + my $xmlbody=''; + # --------------------------------------------- Get SSI output, post parameters for ($i=0;$i<=$#rows;$i++) { @@ -145,40 +191,92 @@ sub handler { map { my $src=$hash{'src_'.$_}; $src=~/\.(\w+)$/; + $metalink{$_}=$src.'.meta'; $cellemb{$_}=Apache::lonnet::fileembstyle($1); if ($cellemb{$_} eq 'ssi') { # --------------------------------------------------------- This is an SSI cell my $prefix=$_.'_'; my %posthash=('request.prefix' => $prefix); - map { + if (($ENV{'form.'.$prefix.'submit'}) + || ($ENV{'form.all_submit'})) { + map { if ($_=~/^form.$prefix/) { my $name=$_; $name=~s/^form.$prefix//; $posthash{$name}=$ENV{$_}; } - } keys %ENV; + } keys %ENV; + } my $output=Apache::lonnet::ssi($src,%posthash); my $parser=HTML::TokeParser->new(\$output); my $token; + my $thisdir=$src; my $bodydef=0; - while (($bodydef==0) && - ($token=$parser->get_token)) { - if ($token->[1] eq 'body') { - $bodydef=1 - } - if ($token->[1] eq 'meta') { - } - if ($token->[1] eq 'script') { - } - if ($token->[1] eq 'basefont') { + my $thisxml=0; + my @rlinks=(); + if ($output=~/\?xml/) { + $isxml=1; + $thisxml=1; + $output=~ + /((?:\<(?:\?xml|\!DOC|html)[^\>]*(?:\>|\>\]\>)\s*)+)\]*\>/si; + $xmlheader=$1; + } + while ($token=$parser->get_token) { + if ($token->[0] eq 'S') { + if ($token->[1] eq 'a') { + if ($token->[2]->{'href'}) { + $rlinks[$#rlinks+1]= + $token->[2]->{'href'}; + } + } elsif ($token->[1] eq 'img') { + $rlinks[$#rlinks+1]= + $token->[2]->{'src'}; + } elsif ($token->[1] eq 'embed') { + $rlinks[$#rlinks+1]= + $token->[2]->{'src'}; + } elsif ($token->[1] eq 'base') { + $thisdir=$token->[2]->{'href'}; + } elsif ($token->[1] eq 'body') { + $bodydef=1; + $ssibgcolor{$_}=$token->[2]->{'bgcolor'}; + $ssitext{$_}=$token->[2]->{'text'}; + $ssilink{$_}=$token->[2]->{'link'}; + $ssivlink{$_}=$token->[2]->{'vlink'}; + $ssialink{$_}=$token->[2]->{'alink'}; + if ($thisxml) { + $xmlbody=$token->[4]; + } + } elsif ($token->[1] eq 'meta') { + $allmeta.="\n".$token->[4].''; + } elsif (($token->[1] eq 'script') && + ($bodydef==0)) { + $allscript.="\n\n" + .$parser->get_text('/script'); } - } + } + } if ($output=~/\]*\>(.*)/si) { $output=$1; } $output=~s/\<\/body\>.*//si; + if ($output=~/\
]*\>//gsi; + $output=~s/\<\/form[^\>]*\>//gsi; + $output=~ + s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([\w\.\:]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi; + } + $thisdir=~s/\/[^\/]*$//; + map { + unless (($_=~/^http:\/\//i) || + ($_=~/^\//)) { + my $newlocation= + &Apache::lonnet::hreflocation($thisdir,$_); + $output=~s/(\"|\'|\=\s*)$_(\"|\'|\s|\>)/$1$newlocation$2/; + } + } @rlinks; + $output=~s/\<\s*applet/\print('Empty page.'); } else { # ------------------------------------------------------------------ Build page - $r->content_type('text/html'); - $r->send_http_header; - $r->print(''); - - $r->print(''); + +# ---------------------------------------------------------------- Send headers + if ($isxml) { + $r->content_type('text/xml'); + $r->send_http_header; + $r->print($xmlheader); + } else { + $r->content_type('text/html'); + $r->send_http_header; + $r->print(''); + } +# ------------------------------------------------------------------------ Head + $r->print("\n\n".$allmeta); + $allscript=~ + s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs; + if ($allscript) { + $r->print("\n\n"); + } + $r->print(&Apache::lonxml::registerurl); + $r->print("\n\n"); +# ------------------------------------------------------------------ Start body + if ($isxml) { + $r->print($xmlbody); + } else { + $r->print( + ''); + } +# ------------------------------------------------------------------ Start form + if ($nforms) { + $r->print(''); + } +# ----------------------------------------------------------------- Start table + $r->print('
'); for ($i=0;$i<=$#rows;$i++) { if ($rows[$i]) { $r->print("\n"); @@ -202,20 +331,50 @@ sub handler { my $avespan=$lcm/($#colcont+1); for ($j=0;$j<=$#colcont;$j++) { my $rid=$colcont[$j]; + my $metainfo=''. + ''. + '

'; $r->print(''); } $r->print(''); } } $r->print("\n
print('>'.$ssibody{$rid}); + if ($ssibgcolor{$rid}) { + $r->print(' bgcolor="'. + $ssibgcolor{$rid}.'"'); + } + $r->print('>'.$metainfo.'print(' text="'.$ssitext{$rid}.'"'); + } + if ($ssilink{$rid}) { + $r->print(' link="'.$ssilink{$rid}.'"'); + } + if ($ssitext{$rid}) { + $r->print(' vlink="'.$ssivlink{$rid}.'"'); + } + if ($ssialink{$rid}) { + $r->print(' alink="'.$ssialink{$rid}.'"'); + } + + $r->print('>'.$ssibody{$rid}.''); } elsif ($cellemb{$rid} eq 'img') { - $r->print('>'); - } + $r->print('>'.$metainfo.''); + } elsif ($cellemb{$rid} eq 'emb') { + $r->print('>'.$metainfo.''); + } $r->print('
"); - +# ---------------------------------------------------------------- Submit, etc. + if ($nforms) { + $r->print( + ''); + } $r->print(''); # -------------------------------------------------------------------- End page } @@ -236,7 +395,7 @@ sub handler { } } } - $ENV{'user.error.msg'}="$requrl:bre:1:1:Course not initialized"; + $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; return HTTP_NOT_ACCEPTABLE; }