version 1.5, 2000/09/15 20:03:48
|
version 1.20, 2000/11/16 11:58:30
|
Line 4
|
Line 4
|
# (TeX Content Handler |
# (TeX Content Handler |
# |
# |
# 05/29/00,05/30 Gerd Kortemeyer) |
# 05/29/00,05/30 Gerd Kortemeyer) |
# 08/30,08/31,09/06,09/14,09/15 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; |
package Apache::lonpage; |
|
|
use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Apache::lonnet(); |
use Apache::lonnet(); |
|
use HTML::TokeParser; |
use GDBM_File; |
use GDBM_File; |
|
|
# -------------------------------------------------------------- Module Globals |
# -------------------------------------------------------------- Module Globals |
my %hash; |
my %hash; |
my @rows; |
my @rows; |
|
|
my %ssibody=(); |
# ------------------------------------------------------------------ Euclid gcd |
my %ssibgcolor=(); |
|
my %ssitext=(); |
sub euclid { |
my %ssilink=(); |
my ($e,$f)=@_; |
my %ssivlink=(); |
my $a; my $b; my $r; |
my %ssialink=(); |
if ($e>$f) { $b=$e; $r=$f; } else { $r=$e; $b=$f; } |
my %cellemb=(); |
while ($r!=0) { |
|
$a=$b; $b=$r; |
|
$r=$a%$b; |
|
} |
|
return $b; |
|
} |
|
|
# ------------------------------------------------------------ Build page table |
# ------------------------------------------------------------ Build page table |
|
|
Line 67 sub tracetable {
|
Line 74 sub tracetable {
|
} |
} |
|
|
if (defined($hash{'to_'.$rid})) { |
if (defined($hash{'to_'.$rid})) { |
|
my $mincond=1; |
|
my $next=''; |
map { |
map { |
my $now=&tracetable($sofar,$hash{'goesto_'.$_},$beenhere); |
my $thiscond= |
if ($now>$further) { $further=$now; } |
&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}); |
} 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; |
return $further; |
} |
} |
|
|
sub cell { |
|
my ($r,$colspan,$rid)=@_; |
|
$r->print('<td colspan="'.$colspan.'"'); |
|
if ($cellemb{$rid} eq 'ssi') { |
|
$r->print('>'.$ssibody{$rid}); |
|
} elsif ($cellemb{$rid} eq 'img') { |
|
$r->print('><img src="'.$hash{'src_'.$rid}.'">'); |
|
} |
|
$r->print('</td>'); |
|
} |
|
|
|
# ================================================================ Main Handler |
# ================================================================ Main Handler |
|
|
sub handler { |
sub handler { |
Line 109 sub handler {
|
Line 123 sub handler {
|
if ($ENV{'request.course.fn'}) { |
if ($ENV{'request.course.fn'}) { |
my $fn=$ENV{'request.course.fn'}; |
my $fn=$ENV{'request.course.fn'}; |
if (-e "$fn.db") { |
if (-e "$fn.db") { |
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_WRCREAT,0640)) { |
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) { |
# ------------------------------------------------------------------- Hash tied |
# ------------------------------------------------------------------- Hash tied |
my $firstres=$hash{'map_start_'.$requrl}; |
my $firstres=$hash{'map_start_'.$requrl}; |
my $lastres=$hash{'map_finish_'.$requrl}; |
my $lastres=$hash{'map_finish_'.$requrl}; |
Line 127 sub handler {
|
Line 141 sub handler {
|
} |
} |
} |
} |
|
|
|
# ------------------------------------------------------------ Add to symb list |
|
|
my $i; |
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 $j; |
my $maxcols=-1; |
my $lcm=1; |
|
my $contents=0; |
|
my $nforms=0; |
|
|
|
my %ssibody=(); |
|
my %ssibgcolor=(); |
|
my %ssitext=(); |
|
my %ssilink=(); |
|
my %ssivlink=(); |
|
my %ssialink=(); |
|
|
|
my %metalink=(); |
|
|
|
my %cellemb=(); |
|
|
|
my $allscript=''; |
|
my $allmeta=''; |
|
|
|
my $isxml=0; |
|
my $xmlheader=''; |
|
my $xmlbody=''; |
|
|
# --------------------------------------------- Get SSI output, post parameters |
# --------------------------------------------- Get SSI output, post parameters |
|
|
for ($i=0;$i<=$#rows;$i++) { |
for ($i=0;$i<=$#rows;$i++) { |
if ($rows[$i]) { |
if ($rows[$i]) { |
|
$contents++; |
my @colcont=split(/\&/,$rows[$i]); |
my @colcont=split(/\&/,$rows[$i]); |
$maxcols=$#colcont>$maxcols?$#colcont:$maxcols; |
$lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); |
map { |
map { |
my $src=$hash{'src_'.$_}; |
my $src=$hash{'src_'.$_}; |
$src=~/\.(\w+)$/; |
$src=~/\.(\w+)$/; |
|
$metalink{$_}=$src.'.meta'; |
$cellemb{$_}=Apache::lonnet::fileembstyle($1); |
$cellemb{$_}=Apache::lonnet::fileembstyle($1); |
if ($cellemb{$_} eq 'ssi') { |
if ($cellemb{$_} eq 'ssi') { |
# --------------------------------------------------------- This is an SSI cell |
# --------------------------------------------------------- This is an SSI cell |
my $prefix=$_.'_'; |
my $prefix=$_.'_'; |
my %posthash=('request.prefix' => $prefix); |
my %posthash=('request.prefix' => $prefix); |
map { |
if (($ENV{'form.'.$prefix.'submit'}) |
|
|| ($ENV{'form.all_submit'})) { |
|
map { |
if ($_=~/^form.$prefix/) { |
if ($_=~/^form.$prefix/) { |
my $name=$_; |
my $name=$_; |
$name=~s/^form.$prefix//; |
$name=~s/^form.$prefix//; |
$posthash{$name}=$ENV{$_}; |
$posthash{$name}=$ENV{$_}; |
} |
} |
} keys %ENV; |
} keys %ENV; |
|
} |
my $output=Apache::lonnet::ssi($src,%posthash); |
my $output=Apache::lonnet::ssi($src,%posthash); |
|
my $parser=HTML::TokeParser->new(\$output); |
|
my $token; |
|
my $thisdir=$src; |
|
my $bodydef=0; |
|
my $thisxml=0; |
|
my @rlinks=(); |
|
if ($output=~/\?xml/) { |
|
$isxml=1; |
|
$thisxml=1; |
|
$output=~ |
|
/((?:\<(?:\?xml|\!DOC|html)[^\>]*(?:\>|\>\]\>)\s*)+)\<body[^\>]*\>/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].'</meta>'; |
|
} elsif (($token->[1] eq 'script') && |
|
($bodydef==0)) { |
|
$allscript.="\n\n" |
|
.$parser->get_text('/script'); |
|
} |
|
} |
|
} |
|
if ($output=~/\<body[^\>]*\>(.*)/si) { |
|
$output=$1; |
|
} |
|
$output=~s/\<\/body\>.*//si; |
|
if ($output=~/\<form/si) { |
|
$nforms++; |
|
$output=~s/\<form[^\>]*\>//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; |
|
$output=~s/\<\s*applet/\<applet codebase=\"$thisdir\" /gi; |
$ssibody{$_}=$output; |
$ssibody{$_}=$output; |
|
|
# ---------------------------------------------------------------- End SSI cell |
# ---------------------------------------------------------------- End SSI cell |
} |
} |
} @colcont; |
} @colcont; |
} |
} |
} |
} |
if ($maxcols<0) { |
unless ($contents) { |
$r->content_type('text/html'); |
$r->content_type('text/html'); |
$r->send_http_header; |
$r->send_http_header; |
$r->print('<html><body>Empty page.</body></html>'); |
$r->print('<html><body>Empty page.</body></html>'); |
} else { |
} else { |
# ------------------------------------------------------------------ Build page |
# ------------------------------------------------------------------ Build page |
$maxcols++; |
|
$r->content_type('text/html'); |
# ---------------------------------------------------------------- Send headers |
$r->send_http_header; |
if ($isxml) { |
$r->print('<html><body>'); |
$r->content_type('text/xml'); |
|
$r->send_http_header; |
$r->print('<table cols="'.$maxcols.'" rows="'. |
$r->print($xmlheader); |
$#rows.'" border="0">'); |
} else { |
|
$r->content_type('text/html'); |
|
$r->send_http_header; |
|
$r->print('<html>'); |
|
} |
|
# ------------------------------------------------------------------------ Head |
|
$r->print("\n<head>\n".$allmeta); |
|
if ($allscript) { |
|
$r->print("\n<script>\n".$allscript."\n</script>\n"); |
|
} |
|
$r->print("\n</head>\n"); |
|
# ------------------------------------------------------------------ Start body |
|
if ($isxml) { |
|
$r->print($xmlbody); |
|
} else { |
|
$r->print('<body bgcolor="#FFFFFF">'); |
|
} |
|
# ------------------------------------------------------------------ Start form |
|
if ($nforms) { |
|
$r->print('<form method="post" action="'. |
|
$requrl.'">'); |
|
} |
|
# ----------------------------------------------------------------- Start table |
|
$r->print('<table cols="'.$lcm.'" border="0">'); |
for ($i=0;$i<=$#rows;$i++) { |
for ($i=0;$i<=$#rows;$i++) { |
if ($rows[$i]) { |
if ($rows[$i]) { |
$r->print("\n<tr>"); |
$r->print("\n<tr>"); |
my @colcont=split(/\&/,$rows[$i]); |
my @colcont=split(/\&/,$rows[$i]); |
my $avespan=int($maxcols/($#colcont+1)); |
my $avespan=$lcm/($#colcont+1); |
my $lastspan=$maxcols-$avespan*$#colcont; |
for ($j=0;$j<=$#colcont;$j++) { |
for ($j=0;$j<$#colcont;$j++) { |
my $rid=$colcont[$j]; |
&cell($r,$avespan,$colcont[$j]); |
my $metainfo='<a href="'. |
|
$metalink{$rid}.'" target="LONcatInfo">'. |
|
'<img src="/adm/lonMisc/cat_button.gif" border=0>'. |
|
'</img></a><br></br>'; |
|
$r->print('<td colspan="'.$avespan.'"'); |
|
if ($cellemb{$rid} eq 'ssi') { |
|
if ($ssibgcolor{$rid}) { |
|
$r->print(' bgcolor="'. |
|
$ssibgcolor{$rid}.'"'); |
|
} |
|
$r->print('>'.$metainfo.'<font'); |
|
if ($ssitext{$rid}) { |
|
$r->print(' text="'.$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{$rid}.'</font>'); |
|
} elsif ($cellemb{$rid} eq 'img') { |
|
$r->print('>'.$metainfo.'<img src="'. |
|
$hash{'src_'.$rid}.'"></img>'); |
|
} elsif ($cellemb{$rid} eq 'emb') { |
|
$r->print('>'.$metainfo.'<embed src="'. |
|
$hash{'src_'.$rid}.'"></embed>'); |
|
} |
|
$r->print('</td>'); |
} |
} |
&cell($r,$lastspan,$colcont[$#colcont]); |
|
$r->print('</tr>'); |
$r->print('</tr>'); |
} |
} |
} |
} |
$r->print("\n</table>"); |
$r->print("\n</table>"); |
|
# ---------------------------------------------------------------- Submit, etc. |
|
if ($nforms) { |
|
$r->print( |
|
'<input name="all_submit" value="Submit All" type="'. |
|
(($nforms>1)?'submit':'hidden').'"></input></form>'); |
|
} |
$r->print('</body></html>'); |
$r->print('</body></html>'); |
# -------------------------------------------------------------------- End page |
# -------------------------------------------------------------------- End page |
} |
} |
Line 209 sub handler {
|
Line 388 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; |
return HTTP_NOT_ACCEPTABLE; |
} |
} |
|
|