--- loncom/xml/londefdef.pm 2003/07/15 20:47:24 1.154
+++ loncom/xml/londefdef.pm 2003/08/01 13:35:20 1.158
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Tags Default Definition Module
#
-# $Id: londefdef.pm,v 1.154 2003/07/15 20:47:24 www Exp $
+# $Id: londefdef.pm,v 1.158 2003/08/01 13:35:20 sakharuk Exp $
#
#
# Copyright Michigan State University Board of Trustees
@@ -25,8 +25,7 @@
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
-#
-# Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
+## Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
# TtHfunc and TtMfunc (the "Code") may be compiled and linked into
# binary executable programs or libraries distributed by the
# Michigan State University (the "Licensee"), but any binaries so
@@ -464,6 +463,29 @@ sub start_body {
$currentstring.='<head>'.
&Apache::lonmenu::registerurl(undef,$target).'</head>';
}
+# Accessibility
+ if ($ENV{'browser.imagesuppress'} eq 'on') {
+ delete($token->[2]->{'background'});
+ }
+ if ($ENV{'browser.fontenhance'} eq 'on') {
+ my $style='';
+ foreach my $key (keys(%{$token->[2]})) {
+ if ($key =~ /^style$/i) {
+ $style.=$token->[2]->{$key}.';';
+ delete($token->[2]->{$key});
+ }
+ }
+ $token->[2]->{'style'}=$style.'; font-size: x-large;';
+ }
+ if ($ENV{'browser.blackwhite'} eq 'on') {
+ delete($token->[2]->{'font'});
+ delete($token->[2]->{'link'});
+ delete($token->[2]->{'alink'});
+ delete($token->[2]->{'vlink'});
+ delete($token->[2]->{'bgcolor'});
+ delete($token->[2]->{'background'});
+ }
+# Overload loads
my $onLoad='';
foreach my $key (keys(%{$token->[2]})) {
if ($key =~ /^onload$/i) {
@@ -1056,12 +1078,14 @@ sub end_q {
#-- <p> tag
sub start_p {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- $currentstring .= '\par ';
+ my $signal=1;
+ foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}}
+ if ($signal) {$currentstring .= '\par ';}
}
return $currentstring;
}
@@ -1179,7 +1203,12 @@ sub start_font {
my $currentstring = '';
if ($target eq 'web') {
my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
- if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;}
+ if ($face=~/symbol/i) {
+ $Apache::lonxml::prevent_entity_encode++;
+ } else {
+ if (($ENV{'browser.fontenhance'} eq 'on') ||
+ ($ENV{'browser.blackwhite'} eq 'on')) { return ''; }
+ }
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
@@ -1942,10 +1971,9 @@ sub start_img {
my $width_param = '';
my $height_param = '';
my $scaling = .3;
-
if ($target eq 'web') {
if ($ENV{'browser.imagesuppress'} ne 'on') {
- $currentstring = $token->[4];
+ $currentstring.= $token->[4];
} else {
my $alttag= &Apache::lonxml::get_param
('alt',$parstack,$safeeval,undef,1);
@@ -1953,12 +1981,11 @@ sub start_img {
$alttag=&Apache::lonmeta::alttag
($Apache::lonxml::pwd[-1],$src);
}
- $currentstring='[IMAGE: '.$alttag.']';
+ $currentstring.='[IMAGE: '.$alttag.']';
}
} elsif ($target eq 'tex') {
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
&image_replication($src);
-
#if original gif/jpg/png file exist do following:
if (-e $src) {
#defines the default size of image
@@ -1983,6 +2010,7 @@ sub start_img {
} elsif ($width ne '') {
$width_param = $width*$scaling;
}
+ if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}}
my $file;
my $path;
if ($src =~ m!(.*)/([^/]*)$!) {