--- loncom/xml/londefdef.pm 2003/06/19 19:15:59 1.142 +++ loncom/xml/londefdef.pm 2003/08/22 16:47:44 1.158.4.1 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.142 2003/06/19 19:15:59 sakharuk Exp $ +# $Id: londefdef.pm,v 1.158.4.1 2003/08/22 16:47:44 albertel 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 @@ -157,10 +156,11 @@ sub start_html { &Apache::lonxml::fontsettings(); } elsif ($target eq 'tex') { @Apache::londefdef::table = (); - $currentstring .= '\documentclass[letterpaper]{article} - \batchmode - \newcommand{\keephidden}[1]{} + $currentstring .= '\documentclass[letterpaper]{article}'; + if ($ENV{'form.latex_type'}=~'batchmode') {$currentstring .='\batchmode';} + $currentstring .= '\newcommand{\keephidden}[1]{} \renewcommand{\deg}{$^{\circ}$} + \usepackage{longtable} \usepackage{textcomp} \usepackage[dvips]{graphicx} \usepackage{epsfig}\usepackage{calc} @@ -363,20 +363,38 @@ sub start_meta { $name=~s/\s/\_/gs; $name=~s/\W//gs; if ($name) { - $currentstring='<'.$name.'>'. + $currentstring='<'.$name; + my $display=&Apache::lonxml::get_param + ('display',$parstack,$safeeval,undef,1); + if ($display) { + $display=~s/\"/\'/g; + $currentstring.=' display="'.$display.'"'; + } + $currentstring.='>'. &Apache::lonxml::get_param ('content',$parstack,$safeeval,undef,1). ''; } + my $display=&Apache::lonxml::get_param + ('display',$parstack,$safeeval,undef,1); + if ($display) { + $display=&HTML::Entities::encode($display); + $currentstring.='<'.$name.'.display>'.$display. + ''; + } } } elsif ($target eq 'tex') { - &Apache::lonxml::startredirection(); + my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval); + my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval); + if ((not defined $content) && (not defined $name)) { + &Apache::lonxml::startredirection(); + } } return $currentstring; } sub end_meta { - my ($target,$token,$tagstack,$parstack,$parser) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { my $args=''; @@ -385,8 +403,11 @@ sub end_meta { $currentstring = $token->[4]; } } elsif ($target eq 'tex') { - $currentstring=&Apache::lonxml::endredirection(); - $currentstring=''; + my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval); + my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval); + if ((not defined $content) && (not defined $name)) { + &Apache::lonxml::startredirection(); + } } return $currentstring; } @@ -445,6 +466,29 @@ sub start_body { $currentstring.=''. &Apache::lonmenu::registerurl(undef,$target).''; } +# 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) { @@ -502,9 +546,7 @@ sub start_center { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\begin{center}'; - } elsif ($target eq 'latexsource') { - $currentstring = '\begin{center}'; - } + } return $currentstring; } @@ -515,9 +557,7 @@ sub end_center { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '\end{center}'; - } elsif ($target eq 'latexsource') { - $currentstring = '\end{center}'; - } + } return $currentstring; } @@ -529,8 +569,6 @@ sub start_b { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\textbf{'; - } elsif ($target eq 'latexsource') { - $currentstring = '\textbf{'; } return $currentstring; } @@ -542,8 +580,6 @@ sub end_b { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '}'; - } elsif ($target eq 'latexsource') { - $currentstring = '}'; } return $currentstring; } @@ -556,8 +592,6 @@ sub start_strong { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\textbf{'; - } elsif ($target eq 'latexsource') { - $currentstring = '\textbf{'; } return $currentstring; } @@ -570,9 +604,7 @@ sub end_strong { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '}'; - } elsif ($target eq 'latexsource') { - $currentstring = '}'; - } + } return $currentstring; } @@ -848,9 +880,7 @@ sub start_cite { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\\textit{"; - } elsif ($target eq 'latexsource') { - $currentstring .= "\\textit{"; - } + } return $currentstring; } @@ -861,9 +891,7 @@ sub end_cite { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= "}"; - } elsif ($target eq 'latexsource') { - $currentstring .= "}"; - } + } return $currentstring; } @@ -875,9 +903,7 @@ sub start_i { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\textit{'; - } elsif ($target eq 'latexsource') { - $currentstring .= '\textit{'; - } + } return $currentstring; } @@ -888,8 +914,6 @@ sub end_i { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; - } elsif ($target eq 'latexsource') { - $currentstring .= '}'; } return $currentstring; } @@ -902,9 +926,7 @@ sub start_address { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\\textit{"; - } elsif ($target eq 'latexsource') { - $currentstring .= "\\textit{"; - } + } return $currentstring; } @@ -915,8 +937,6 @@ sub end_address { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= "}"; - } elsif ($target eq 'latexsource') { - $currentstring .= "}"; } return $currentstring; } @@ -929,8 +949,6 @@ sub start_dfn { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\\textit{"; - } elsif ($target eq 'latexsource') { - $currentstring .= "\\textit{"; } return $currentstring; } @@ -942,9 +960,7 @@ sub end_dfn { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= "}"; - } elsif ($target eq 'latexsource') { - $currentstring .= "}"; - } + } return $currentstring; } @@ -956,9 +972,7 @@ sub start_tt { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\texttt{'; - } elsif ($target eq 'latexsource') { - $currentstring .= '\texttt{'; - } + } return $currentstring; } @@ -969,8 +983,6 @@ sub end_tt { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; - } elsif ($target eq 'latexsource') { - $currentstring .= '}'; } return $currentstring; } @@ -983,9 +995,7 @@ sub start_kbd { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\\texttt"; - } elsif ($target eq 'latexsource') { - $currentstring .= "\\texttt{"; - } + } return $currentstring; } @@ -996,9 +1006,7 @@ sub end_kbd { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= "}"; - } elsif ($target eq 'latexsource') { - $currentstring .= "}"; - } + } return $currentstring; } @@ -1033,9 +1041,7 @@ sub start_em { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\emph{'; - } elsif ($target eq 'latexsource') { - $currentstring .= '\emph{'; - } + } return $currentstring; } @@ -1046,9 +1052,7 @@ sub end_em { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; - } elsif ($target eq 'latexsource') { - $currentstring .= '}'; - } + } return $currentstring; } @@ -1060,8 +1064,6 @@ sub start_q { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\\emph{"; - } elsif ($target eq 'latexsource') { - $currentstring .= "\\emph{"; } return $currentstring; } @@ -1073,23 +1075,21 @@ sub end_q { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= "}"; - } elsif ($target eq 'latexsource') { - $currentstring .= "}"; - } + } return $currentstring; } #--

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') { - $currentstring .= '{\par '; - } elsif ($target eq 'latexsource') { - $currentstring .= '{\par '; - } + my $signal=1; + foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}} + if ($signal) {$currentstring .= '\par ';} + } return $currentstring; } @@ -1098,10 +1098,6 @@ sub end_p { my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; - } elsif ($target eq 'tex') { - $currentstring .= '}'; - } elsif ($target eq 'latexsource') { - $currentstring .= '}'; } return $currentstring; } @@ -1114,11 +1110,9 @@ sub start_br { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') { - $currentstring .= '\vskip 0.2 mm'; + $currentstring .= '\vskip 0.2 mm '; } - } elsif ($target eq 'latexsource') { - $currentstring .= '\\'; - } + } return $currentstring; } @@ -1139,9 +1133,7 @@ sub start_big { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '{\large '; - } elsif ($target eq 'latexsource') { - $currentstring .= '{\Large '; - } + } return $currentstring; } @@ -1152,8 +1144,6 @@ sub end_big { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; - } elsif ($target eq 'latexsource') { - $currentstring .= '}'; } return $currentstring; } @@ -1166,9 +1156,7 @@ sub start_small { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '{\footnotesize '; - } elsif ($target eq 'latexsource') { - $currentstring .= '{\footnotesize '; - } + } return $currentstring; } @@ -1179,8 +1167,6 @@ sub end_small { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; - } elsif ($target eq 'latexsource') { - $currentstring .= '}'; } return $currentstring; } @@ -1220,7 +1206,12 @@ 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,$safeeval); @@ -1352,14 +1343,14 @@ sub start_hr { if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($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 $LaTeXwidth) { if ($LaTeXwidth=~/^%/) { substr($LaTeXwidth,0,1)=''; $LaTeXwidth=($LaTeXwidth/100).'\textwidth'; } } else { - $LaTeXwidth ='0.95\textwidth'; + $LaTeXwidth ='0.9\textwidth'; } my ($pre,$post); my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); @@ -1370,7 +1361,7 @@ sub start_hr { } elsif ($align eq 'right') { $pre=' \hfill \llap{'; $post='}'; } - $currentstring .= ' \vskip 0 mm \noindent\makebox[\textwidth]{'.$pre.'\makebox['. + $currentstring .= ' \vskip 0 mm \noindent\makebox['.$LaTeXwidth.']{'.$pre.'\makebox['. $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm '; } return $currentstring; @@ -1381,8 +1372,7 @@ sub end_hr { my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; - } elsif ($target eq 'tex') { - } + } return $currentstring; } @@ -1407,50 +1397,43 @@ sub end_div { #-- tag sub start_a { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { + my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1); + $a=~s/([^\\])%/$1\\\%/g; + $currentstring .= '\ref{'.$a.'}'; } return $currentstring; } sub end_a { - my ($target,$token,$tagstack,$stackref) = @_; + my ($target,$token,$tagstack,$parstack,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; - } elsif ($target eq 'tex') { - my $tempor_var = $stackref->[$#$stackref]; - if (index($tempor_var,'name') != -1 ) { - $tempor_var =~ s/name=([^,]*),/$1/g; - } elsif (index($tempor_var,'href') != -1 ) { - $tempor_var =~ s/href=([^,]*),/$1/g; - $currentstring .= " \\ref{$tempor_var}"; - } } return $currentstring; } #--

  • tag sub start_li { - my ($target,$token,$tagstack,$stackref) = @_; + my ($target,$token,$tagstack,$parstack,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - my $tempor_var = $stackref->[$#$stackref]; - if (index($tempor_var,'circle') != -1 ) { - $currentstring .= " \\item[o] "; - } elsif (index($tempor_var,'square') != -1 ) { - $currentstring .= " \\item[$\Box$] "; - } elsif ($tempor_var ne '') { - $_ = $tempor_var; - m/my\s*([^=]*)=/; - $currentstring .= " \\item[$1] "; + my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,1); + if ($type=~/circle/) { + $currentstring .= ' \item[o] '; + } elsif ($type=~/square/) { + $currentstring .= ' \item[$\Box$] '; + } elsif ($type ne '') { + $currentstring .= ' \item['.$type.'] '; } else { - $currentstring .= " \\item "; + $currentstring .= ' \item '; } } return $currentstring; @@ -1681,10 +1664,16 @@ sub end_dt { #--
    tag sub start_dd { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; + } elsif ($target eq 'tex') { + if ($$tagstack[-2] eq 'dl') { + $currentstring = ' \item [] '; + } elsif ($$tagstack[-2] eq 'dt') { + $currentstring = ']'; + } } return $currentstring; } @@ -1747,7 +1736,7 @@ sub start_table { $Apache::londefdef::table[-1]{'vvinc'} = ''; } $Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} '; - $currentstring = '\keephidden{NEW TABLE ENTRY '.$textwidth.' }'; + $currentstring = '\keephidden{NEW TABLE ENTRY}'; } return $currentstring; } @@ -1825,6 +1814,7 @@ sub end_table { } else { $currentstring .= $Apache::londefdef::table[-1]{'output'}; pop @Apache::londefdef::table; + undef @Apache::londefdef::table; } } return $currentstring; @@ -1902,17 +1892,15 @@ sub end_td { $current_length=~/(\d+\.?\d*)/; $Apache::londefdef::table[-1]{'TeXlength'} .= $1.','; $Apache::londefdef::table[-1]{'length'} .= '0,'; - } else { - $data=~/^\s*(\S.*)/; - $data=$1; - $data=~/(.*\S)\s*$/; - $data=$1; + } else { + $data=~s/^\s+(\S.*)/$1/; + $data=~s/(.*\S)\s+$/$1/; my $current_length=2*length($data); $Apache::londefdef::table[-1]{'length'} .= $current_length.','; $Apache::londefdef::table[-1]{'TeXlength'} .= '0,'; } } - for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) { + for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) { $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/; } @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'}; @@ -1986,10 +1974,9 @@ 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); @@ -1997,12 +1984,11 @@ 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 $src) { #defines the default size of image @@ -2027,6 +2013,7 @@ sub start_img { } elsif ($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!(.*)/([^/]*)$!) {