version 1.148, 2003/06/30 15:05:54
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version 1.159, 2003/08/07 20:12:40
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# /home/httpd/html/adm/gpl.txt |
# /home/httpd/html/adm/gpl.txt |
# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
## Copyright for TtHfunc and TtMfunc by Ian Hutchinson. |
# Copyright for TtHfunc and TtMfunc by Ian Hutchinson. |
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# TtHfunc and TtMfunc (the "Code") may be compiled and linked into |
# TtHfunc and TtMfunc (the "Code") may be compiled and linked into |
# binary executable programs or libraries distributed by the |
# binary executable programs or libraries distributed by the |
# Michigan State University (the "Licensee"), but any binaries so |
# Michigan State University (the "Licensee"), but any binaries so |
Line 157 sub start_html {
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Line 156 sub start_html {
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&Apache::lonxml::fontsettings(); |
&Apache::lonxml::fontsettings(); |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
@Apache::londefdef::table = (); |
@Apache::londefdef::table = (); |
$currentstring .= '\documentclass[letterpaper]{article}'. |
$currentstring .= '\documentclass[letterpaper]{article}'; |
#'\batchmode'. |
if ($ENV{'form.latex_type'}=~'batchmode') {$currentstring .='\batchmode';} |
'\newcommand{\keephidden}[1]{} |
$currentstring .= '\newcommand{\keephidden}[1]{} |
\renewcommand{\deg}{$^{\circ}$} |
\renewcommand{\deg}{$^{\circ}$} |
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\usepackage{longtable} |
\usepackage{textcomp} |
\usepackage{textcomp} |
\usepackage[dvips]{graphicx} |
\usepackage[dvips]{graphicx} |
\usepackage{epsfig}\usepackage{calc} |
\usepackage{epsfig}\usepackage{calc} |
Line 363 sub start_meta {
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Line 363 sub start_meta {
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$name=~s/\s/\_/gs; |
$name=~s/\s/\_/gs; |
$name=~s/\W//gs; |
$name=~s/\W//gs; |
if ($name) { |
if ($name) { |
$currentstring='<'.$name.'>'. |
$currentstring='<'.$name; |
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my $display=&Apache::lonxml::get_param |
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('display',$parstack,$safeeval,undef,1); |
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if ($display) { |
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$display=~s/\"/\'/g; |
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$currentstring.=' display="'.$display.'"'; |
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} |
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$currentstring.='>'. |
&Apache::lonxml::get_param |
&Apache::lonxml::get_param |
('content',$parstack,$safeeval,undef,1). |
('content',$parstack,$safeeval,undef,1). |
'</'.$name.'>'; |
'</'.$name.'>'; |
} |
} |
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my $display=&Apache::lonxml::get_param |
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('display',$parstack,$safeeval,undef,1); |
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if ($display) { |
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$display=&HTML::Entities::encode($display); |
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$currentstring.='<'.$name.'.display>'.$display. |
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'</'.$name.'.display>'; |
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} |
} |
} |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
&Apache::lonxml::startredirection(); |
my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval); |
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my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval); |
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if ((not defined $content) && (not defined $name)) { |
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&Apache::lonxml::startredirection(); |
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} |
} |
} |
return $currentstring; |
return $currentstring; |
} |
} |
Line 445 sub start_body {
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Line 463 sub start_body {
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$currentstring.='<head>'. |
$currentstring.='<head>'. |
&Apache::lonmenu::registerurl(undef,$target).'</head>'; |
&Apache::lonmenu::registerurl(undef,$target).'</head>'; |
} |
} |
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# Accessibility |
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if ($ENV{'browser.imagesuppress'} eq 'on') { |
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delete($token->[2]->{'background'}); |
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} |
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if ($ENV{'browser.fontenhance'} eq 'on') { |
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my $style=''; |
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foreach my $key (keys(%{$token->[2]})) { |
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if ($key =~ /^style$/i) { |
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$style.=$token->[2]->{$key}.';'; |
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delete($token->[2]->{$key}); |
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} |
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} |
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$token->[2]->{'style'}=$style.'; font-size: x-large;'; |
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} |
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if ($ENV{'browser.blackwhite'} eq 'on') { |
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delete($token->[2]->{'font'}); |
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delete($token->[2]->{'link'}); |
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delete($token->[2]->{'alink'}); |
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delete($token->[2]->{'vlink'}); |
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delete($token->[2]->{'bgcolor'}); |
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delete($token->[2]->{'background'}); |
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} |
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# Overload loads |
my $onLoad=''; |
my $onLoad=''; |
foreach my $key (keys(%{$token->[2]})) { |
foreach my $key (keys(%{$token->[2]})) { |
if ($key =~ /^onload$/i) { |
if ($key =~ /^onload$/i) { |
Line 1037 sub end_q {
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Line 1078 sub end_q {
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#-- <p> tag |
#-- <p> tag |
sub start_p { |
sub start_p { |
my ($target,$token) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; |
my $currentstring = ''; |
my $currentstring = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
$currentstring .= $token->[4]; |
$currentstring .= $token->[4]; |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
$currentstring .= '\par '; |
my $signal=1; |
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foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}} |
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if ($signal) {$currentstring .= '\par ';} |
} |
} |
return $currentstring; |
return $currentstring; |
} |
} |
Line 1160 sub start_font {
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Line 1203 sub start_font {
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my $currentstring = ''; |
my $currentstring = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval); |
my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval); |
if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;} |
if ($face=~/symbol/i) { |
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$Apache::lonxml::prevent_entity_encode++; |
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} else { |
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if (($ENV{'browser.fontenhance'} eq 'on') || |
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($ENV{'browser.blackwhite'} eq 'on')) { return ''; } |
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} |
$currentstring = $token->[4]; |
$currentstring = $token->[4]; |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval); |
my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval); |
Line 1292 sub start_hr {
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Line 1340 sub start_hr {
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if ($target eq 'web') { |
if ($target eq 'web') { |
$currentstring .= $token->[4]; |
$currentstring .= $token->[4]; |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,0); |
my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); |
if (defined $LaTeXwidth) { |
if (defined $LaTeXwidth) { |
if ($LaTeXwidth=~/^%/) { |
if ($LaTeXwidth=~/^%/) { |
substr($LaTeXwidth,0,1)=''; |
substr($LaTeXwidth,0,1)=''; |
Line 1346 sub end_div {
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Line 1394 sub end_div {
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#-- <a> tag |
#-- <a> tag |
sub start_a { |
sub start_a { |
my ($target,$token) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; |
my $currentstring = ''; |
my $currentstring = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
$currentstring .= $token->[4]; |
$currentstring .= $token->[4]; |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
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my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1); |
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$a=~s/([^\\])%/$1\\\%/g; |
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$currentstring .= '\ref{'.$a.'}'; |
} |
} |
return $currentstring; |
return $currentstring; |
} |
} |
Line 1360 sub end_a {
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Line 1411 sub end_a {
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my $currentstring = ''; |
my $currentstring = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
$currentstring .= $token->[2]; |
$currentstring .= $token->[2]; |
} elsif ($target eq 'tex') { |
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my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1); |
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$currentstring .= '\ref{'.$href.'}'; |
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} |
} |
return $currentstring; |
return $currentstring; |
} |
} |
Line 1620 sub start_dd {
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Line 1668 sub start_dd {
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} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
if ($$tagstack[-2] eq 'dl') { |
if ($$tagstack[-2] eq 'dl') { |
$currentstring = ' \item [] '; |
$currentstring = ' \item [] '; |
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} elsif ($$tagstack[-2] eq 'dt') { |
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$currentstring = ']'; |
} |
} |
} |
} |
return $currentstring; |
return $currentstring; |
Line 1808 sub start_td {
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Line 1858 sub start_td {
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if ($target eq 'web') { |
if ($target eq 'web') { |
$currentstring = $token->[4]; |
$currentstring = $token->[4]; |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1); |
&tag_check('tr','td',$tagstack,$parstack,$parser,$safeeval); |
if ($what_to_push eq '') { |
# my @ar=@$parstack; |
$what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);; |
# for (my $i=$#ar-1;$i>=0;$i--) { |
} |
# if (lc($$tagstack[$i]) eq 'tr') { |
push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push; |
# &start_td_tex($parstack,$parser,$safeeval); |
$Apache::londefdef::table[-1]{'counter_columns'}++; |
# last; |
&Apache::lonxml::startredirection(); |
# } elsif (lc($$tagstack[$i]) eq 'td') { |
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# splice @ar, $i+1; |
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# &end_td_tex(\@ar,$parser,$safeeval); |
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# &start_td_tex($parstack,$parser,$safeeval); |
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# last; |
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# } |
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# } |
} |
} |
return $currentstring; |
return $currentstring; |
} |
} |
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sub tag_check { |
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my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_; |
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my @ar=@$parstack; |
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for (my $i=$#ar-1;$i>=0;$i--) { |
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if (lc($$tagstack[$i]) eq $good_tag) { |
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&start_td_tex($parstack,$parser,$safeeval); |
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last; |
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} elsif (lc($$tagstack[$i]) eq $bad_tag) { |
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splice @ar, $i+1; |
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&end_td_tex(\@ar,$parser,$safeeval); |
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&start_td_tex($parstack,$parser,$safeeval); |
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last; |
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} |
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} |
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return ''; |
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} |
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sub start_td_tex { |
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my ($parstack,$parser,$safeeval) = @_; |
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my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1); |
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if ($what_to_push eq '') { |
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$what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);; |
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} |
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push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push; |
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$Apache::londefdef::table[-1]{'counter_columns'}++; |
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&Apache::lonxml::startredirection(); |
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return ''; |
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} |
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sub end_td_tex { |
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my ($parstack,$parser,$safeeval) = @_; |
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my $current_row = $Apache::londefdef::table[-1]{'row_number'}; |
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my $data=&Apache::lonxml::endredirection(); |
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my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); |
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if (defined $TeXwidth) { |
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my $current_length=&recalc($TeXwidth); |
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$current_length=~/(\d+)/; |
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$Apache::londefdef::table[-1]{'TeXlength'} .= $1.','; |
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$Apache::londefdef::table[-1]{'length'} .= '0,'; |
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} else { |
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if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) { |
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my $current_length=&recalc($1); |
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$current_length=~/(\d+\.?\d*)/; |
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$Apache::londefdef::table[-1]{'TeXlength'} .= $1.','; |
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$Apache::londefdef::table[-1]{'length'} .= '0,'; |
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} else { |
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$data=~s/^\s+(\S.*)/$1/; |
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$data=~s/(.*\S)\s+$/$1/; |
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my $current_length=2*length($data); |
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$Apache::londefdef::table[-1]{'length'} .= $current_length.','; |
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$Apache::londefdef::table[-1]{'TeXlength'} .= '0,'; |
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} |
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} |
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for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) { |
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$data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/; |
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} |
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@{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'}; |
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return''; |
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} |
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sub end_td { |
sub end_td { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; |
my $currentstring = ''; |
my $currentstring = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
$currentstring = $token->[2]; |
$currentstring = $token->[2]; |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
my $current_row = $Apache::londefdef::table[-1]{'row_number'}; |
&end_td_tex($parstack,$parser,$safeeval); |
my $data=&Apache::lonxml::endredirection(); |
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my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); |
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if (defined $TeXwidth) { |
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my $current_length=&recalc($TeXwidth); |
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$current_length=~/(\d+)/; |
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$Apache::londefdef::table[-1]{'TeXlength'} .= $1.','; |
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$Apache::londefdef::table[-1]{'length'} .= '0,'; |
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} else { |
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if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) { |
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my $current_length=&recalc($1); |
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$current_length=~/(\d+\.?\d*)/; |
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$Apache::londefdef::table[-1]{'TeXlength'} .= $1.','; |
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$Apache::londefdef::table[-1]{'length'} .= '0,'; |
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} else { |
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$data=~s/^\s+(\S.*)/$1/; |
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$data=~s/(.*\S)\s+$/$1/; |
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my $current_length=2*length($data); |
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$Apache::londefdef::table[-1]{'length'} .= $current_length.','; |
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$Apache::londefdef::table[-1]{'TeXlength'} .= '0,'; |
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} |
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} |
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for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) { |
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$data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/; |
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} |
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@{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'}; |
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} |
} |
return $currentstring; |
return $currentstring; |
} |
} |
Line 1921 sub start_img {
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Line 2012 sub start_img {
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my $width_param = ''; |
my $width_param = ''; |
my $height_param = ''; |
my $height_param = ''; |
my $scaling = .3; |
my $scaling = .3; |
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if ($target eq 'web') { |
if ($target eq 'web') { |
if ($ENV{'browser.imagesuppress'} ne 'on') { |
if ($ENV{'browser.imagesuppress'} ne 'on') { |
$currentstring = $token->[4]; |
$currentstring.= $token->[4]; |
} else { |
} else { |
my $alttag= &Apache::lonxml::get_param |
my $alttag= &Apache::lonxml::get_param |
('alt',$parstack,$safeeval,undef,1); |
('alt',$parstack,$safeeval,undef,1); |
Line 1932 sub start_img {
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Line 2022 sub start_img {
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$alttag=&Apache::lonmeta::alttag |
$alttag=&Apache::lonmeta::alttag |
($Apache::lonxml::pwd[-1],$src); |
($Apache::lonxml::pwd[-1],$src); |
} |
} |
$currentstring='[IMAGE: '.$alttag.']'; |
$currentstring.='[IMAGE: '.$alttag.']'; |
} |
} |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); |
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); |
&image_replication($src); |
&image_replication($src); |
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#if original gif/jpg/png file exist do following: |
#if original gif/jpg/png file exist do following: |
if (-e $src) { |
if (-e $src) { |
#defines the default size of image |
#defines the default size of image |
Line 1962 sub start_img {
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Line 2051 sub start_img {
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} elsif ($width ne '') { |
} elsif ($width ne '') { |
$width_param = $width*$scaling; |
$width_param = $width*$scaling; |
} |
} |
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if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}} |
my $file; |
my $file; |
my $path; |
my $path; |
if ($src =~ m!(.*)/([^/]*)$!) { |
if ($src =~ m!(.*)/([^/]*)$!) { |