version 1.4, 2000/09/14 20:10:39
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version 1.9, 2000/09/25 20:31:33
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Line 4
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# (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 Gerd Kortemeyer |
# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23 Gerd Kortemeyer |
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package Apache::lonpage; |
package Apache::lonpage; |
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use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Apache::lonnet(); |
use Apache::lonnet(); |
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use HTML::TokeParser; |
use GDBM_File; |
use GDBM_File; |
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# -------------------------------------------------------------- Module Globals |
# -------------------------------------------------------------- Module Globals |
my %hash; |
my %hash; |
my @rows; |
my @rows; |
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my %ssibody=(); |
# ------------------------------------------------------------------ Euclid gcd |
my %ssibgcolor=(); |
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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 ($r!=0) { |
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$a=$b; $b=$r; |
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$r=$a%$b; |
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} |
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return $b; |
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} |
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# ------------------------------------------------------------ Build page table |
# ------------------------------------------------------------ Build page table |
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Line 76 sub tracetable {
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Line 82 sub tracetable {
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return $further; |
return $further; |
} |
} |
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sub cell { |
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my ($r,$colspan,$rid)=@_; |
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$r->print('<td colspan="'.$colspan.'">'); |
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$r->print($hash{'src_'.$rid}); |
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$r->print('</td>'); |
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} |
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# ================================================================ Main Handler |
# ================================================================ Main Handler |
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sub handler { |
sub handler { |
Line 105 sub handler {
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Line 104 sub handler {
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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 123 sub handler {
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Line 122 sub handler {
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} |
} |
} |
} |
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# ------------------------------------------------------------ Add to symb list |
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my $i; |
my $i; |
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my %symbhash=(); |
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for ($i=0;$i<=$#rows;$i++) { |
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if ($rows[$i]) { |
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my @colcont=split(/\&/,$rows[$i]); |
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map { |
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$symbhash{$hash{'src_'.$_}}=''; |
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} @colcont; |
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} |
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} |
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&Apache::lonnet::symblist($requrl,%symbhash); |
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# ------------------------------------------------------------------ Page parms |
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my $j; |
my $j; |
my $maxcols=-1; |
my $lcm=1; |
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my $contents=0; |
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my $nforms=0; |
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my %ssibody=(); |
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my %ssibgcolor=(); |
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my %ssitext=(); |
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my %ssilink=(); |
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my %ssivlink=(); |
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my %ssialink=(); |
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my %cellemb=(); |
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my $allscript=''; |
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my $allmeta=''; |
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my $isxml=0; |
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my $xmlheader=''; |
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my $xmlbody=''; |
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# --------------------------------------------- Get SSI output, post parameters |
# --------------------------------------------- Get SSI output, post parameters |
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for ($i=0;$i<=$#rows;$i++) { |
for ($i=0;$i<=$#rows;$i++) { |
if ($rows[$i]) { |
if ($rows[$i]) { |
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$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_'.$_}; |
$src=~/\.\w+$/; |
$src=~/\.(\w+)$/; |
$cellemb{$_}=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 |
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my $prefix=$_.'_'; |
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my %posthash=('request.prefix' => $prefix); |
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if (($ENV{'form.'.$prefix.'submit'}) |
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|| ($ENV{'form.all_submit'})) { |
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map { |
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if ($_=~/^form.$prefix/) { |
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my $name=$_; |
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$name=~s/^form.$prefix//; |
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$posthash{$name}=$ENV{$_}; |
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} |
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} keys %ENV; |
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} |
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my $output=Apache::lonnet::ssi($src,%posthash); |
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my $parser=HTML::TokeParser->new(\$output); |
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my $token; |
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my $bodydef=0; |
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my $thisxml=0; |
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if ($output=~/\?xml/) { |
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$isxml=1; |
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$thisxml=1; |
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$output=~ |
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/((?:\<(?:\?xml|\!DOC|html)[^\>]*(?:\>|\>\]\>)\s*)+)\<body[^\>]*\>/si; |
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$xmlheader=$1; |
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} |
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while (($bodydef==0) && |
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($token=$parser->get_token)) { |
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if ($token->[1] eq 'body') { |
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$bodydef=1; |
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$ssibgcolor{$_}=$token->[2]->{'bgcolor'}; |
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$ssitext{$_}=$token->[2]->{'text'}; |
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$ssilink{$_}=$token->[2]->{'link'}; |
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$ssivlink{$_}=$token->[2]->{'vlink'}; |
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$ssialink{$_}=$token->[2]->{'alink'}; |
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if ($thisxml) { |
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$xmlbody=$token->[4]; |
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} |
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} |
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if ($token->[1] eq 'meta') { |
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$allmeta.="\n".$token->[4].'</meta>'; |
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} |
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if ($token->[1] eq 'script') { |
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$allscript.="\n\n" |
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.$parser->get_text('/script'); |
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} |
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} |
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if ($output=~/\<body[^\>]*\>(.*)/si) { |
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$output=$1; |
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} |
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$output=~s/\<\/body\>.*//si; |
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if ($output=~/\<form/si) { |
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$nforms++; |
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$output=~s/\<form[^\>]*\>//gsi; |
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$output=~s/\<\/form[^\>]*\>//gsi; |
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} |
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$ssibody{$_}=$output; |
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# ---------------------------------------------------------------- End SSI cell |
# ---------------------------------------------------------------- End SSI cell |
} |
} |
} @colcont; |
} @colcont; |
} |
} |
} |
} |
if ($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 |
$maxcols++; |
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$r->content_type('text/html'); |
# ---------------------------------------------------------------- Send headers |
$r->send_http_header; |
if ($isxml) { |
$r->print('<html><body>'); |
$r->content_type('text/xml'); |
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$r->send_http_header; |
$r->print('<table cols="'.$maxcols.'" rows="'. |
$r->print($xmlheader); |
$#rows.'" border=1>'); |
} else { |
for ($i=2;$i<=$#rows;$i++) { |
$r->content_type('text/html'); |
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$r->send_http_header; |
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$r->print('<html>'); |
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} |
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# ------------------------------------------------------------------------ Head |
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$r->print("\n<head>\n".$allmeta); |
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if ($allscript) { |
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$r->print("\n<script>\n".$allscript."\n</script>\n"); |
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} |
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$r->print("\n</head>\n"); |
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# ------------------------------------------------------------------ Start body |
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if ($isxml) { |
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$r->print($xmlbody); |
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} else { |
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$r->print('<body bgcolor="#FFFFFF">'); |
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} |
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# ------------------------------------------------------------------ Start form |
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if ($nforms) { |
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$r->print('<form method="post" action="'. |
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$requrl.'">'); |
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} |
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# ----------------------------------------------------------------- Start table |
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$r->print('<table cols="'.$lcm.'" border="0">'); |
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for ($i=0;$i<=$#rows;$i++) { |
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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]); |
$r->print('<td colspan="'.$avespan.'"'); |
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if ($cellemb{$rid} eq 'ssi') { |
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if ($ssibgcolor{$rid}) { |
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$r->print(' bgcolor="'. |
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$ssibgcolor{$rid}.'"'); |
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} |
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$r->print('><font'); |
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if ($ssitext{$rid}) { |
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$r->print(' text="'.$ssitext{$rid}.'"'); |
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} |
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if ($ssilink{$rid}) { |
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$r->print(' link="'.$ssilink{$rid}.'"'); |
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} |
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if ($ssitext{$rid}) { |
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$r->print(' vlink="'.$ssivlink{$rid}.'"'); |
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} |
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if ($ssialink{$rid}) { |
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$r->print(' alink="'.$ssialink{$rid}.'"'); |
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} |
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$r->print('>'.$ssibody{$rid}.'</font>'); |
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} elsif ($cellemb{$rid} eq 'img') { |
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$r->print('><img src="'. |
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$hash{'src_'.$rid}.'"></img>'); |
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} |
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$r->print('</td>'); |
} |
} |
&cell($r,$lastspan,$colcont[$#colcont]); |
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$r->print('</tr>'); |
$r->print('</tr>'); |
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} |
} |
} |
$r->print("\n</table>"); |
$r->print("\n</table>"); |
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# ---------------------------------------------------------------- Submit, etc. |
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if ($nforms) { |
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$r->print( |
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'<input name="all_submit" value="Submit All" type="'. |
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(($nforms>1)?'submit':'hidden').'"></input></form>'); |
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} |
$r->print('</body></html>'); |
$r->print('</body></html>'); |
# -------------------------------------------------------------------- End page |
# -------------------------------------------------------------------- End page |
} |
} |