--- loncom/xml/londefdef.pm 2005/07/07 10:09:50 1.277
+++ loncom/xml/londefdef.pm 2006/03/23 22:34:53 1.323
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Tags Default Definition Module
#
-# $Id: londefdef.pm,v 1.277 2005/07/07 10:09:50 foxr Exp $
+# $Id: londefdef.pm,v 1.323 2006/03/23 22:34:53 foxr Exp $
#
#
# Copyright Michigan State University Board of Trustees
@@ -47,7 +47,8 @@ use Image::Magick;
use Apache::lonmenu();
use Apache::lonmeta();
use Apache::Constants qw(:common);
-
+use File::Basename;
+# use Data::Dumper;
BEGIN {
@@ -55,6 +56,20 @@ BEGIN {
}
+#
+# Dumps all elements of the table structure.
+# Need this 'cause evidently when given an array, Data::Dumper only seems
+# to dump element 0.
+#
+#sub debug_dump_table {
+# my $lastrow = $#Apache::londefdef::table;
+# &Apache::lonnet::logthis("Dumping table: Last row index: $lastrow");
+# my $row;
+# for ($row =0; $row <= $lastrow; $row++ ) {
+# my $text = Dumper($Apache::londefdef::table[$row]);
+# &Apache::lonnet::logthis("table [ $row ]".$text);
+# }
+#}
sub initialize_londefdef {
$Apache::londefdef::TD_redirection=0;
@Apache::londefdef::table = ();
@@ -90,11 +105,21 @@ sub start_m {
$inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
#&Apache::lonxml::debug("M is evaulated to:$inside:");
}
+ my $tex = $inside;
my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
$currentstring = &Apache::lontexconvert::converted(\$inside,$display);
if ($Apache::lontexconvert::errorstring) {
- &Apache::lonxml::warning("tth error: ".
- $Apache::lontexconvert::errorstring);
+ my $errormsg='<pre>'.&HTML::Entities::encode($Apache::lontexconvert::errorstring,'<>&"').'</pre> occured while attempting to convert this TeX: <pre>';
+ $tex = &HTML::Entities::encode($tex,'<>&"');
+ my ($linenumber) =
+ ($Apache::lontexconvert::errorstring =~ /Line (\d+)/);
+ if (defined($linenumber)) {
+ my @tex=split("\n",$tex);
+ $tex[$linenumber]='<b><font color="red">'.
+ $tex[$linenumber].'</font></b>';
+ $tex=join("\n",@tex);
+ }
+ &Apache::lonxml::warning($errormsg.$tex.'</pre>');
$Apache::lontexconvert::errorstring='';
}
#&Apache::lonxml::debug("M is ends with:$currentstring:");
@@ -109,8 +134,8 @@ sub start_m {
# detect simple math mode entry exits, and convert them
# to use \ensuremath
if ($currentstring=~/^\s*\$[^\$].*[^\$]\$\s*$/) {
- $currentstring=~s/^\$//;
- $currentstring=~s/\$$//;
+ $currentstring=~s/^(\s*)\$/$1/;
+ $currentstring=~s/\$(\s*)$/$1/;
$currentstring='\ensuremath{'.$currentstring.'}';
}
$Apache::lonxml::post_evaluate=0;
@@ -128,10 +153,11 @@ sub end_m {
}
sub start_tthoption {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $result;
if ($target eq 'web') {
- my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser);
+ my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser,
+ $style);
$inside=~s/^\s*//;
if ($env{'browser.mathml'}) {
&tth::ttmoptions($inside);
@@ -157,15 +183,17 @@ sub start_html {
if ($target eq 'web' || $target eq 'edit' || $target eq 'webgrade' ) {
$currentstring = &Apache::lonxml::xmlbegin();
} elsif ($target eq 'tex') {
- $currentstring .= '\documentclass[letterpaper]{article}';
+ $currentstring .= '\documentclass[letterpaper,twoside]{article}';
if (($env{'form.latex_type'}=~'batchmode') ||
(!$env{'request.role.adv'})) {$currentstring .='\batchmode';}
$currentstring .= '\newcommand{\keephidden}[1]{}'.
'\renewcommand{\deg}{$^{\circ}$}'.
+ '\usepackage{multirow}'.
'\usepackage{longtable}'.
'\usepackage{textcomp}'.
'\usepackage{makeidx}'.
'\usepackage[dvips]{graphicx}'.
+ '\usepackage{wrapfig}'.
'\usepackage{picins}'.
'\usepackage{epsfig}'.
'\usepackage{calc}'.
@@ -367,13 +395,13 @@ sub end_title {
#-- <meta> tag (end tag forbidden)
sub start_meta {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $currentstring = '';
if ($target eq 'web') {
my $args='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
if ($args eq '') {
- &Apache::lonxml::get_all_text("/meta",$parser);
+ &Apache::lonxml::get_all_text("/meta",$parser,$style);
} else {
$currentstring = $token->[4];
}
@@ -436,7 +464,7 @@ sub end_meta {
# accessrule
sub start_accessrule {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $currentstring = '';
my $eff=&Apache::lonxml::get_param
('effect',$parstack,$safeeval,undef,1);
@@ -455,7 +483,7 @@ sub start_accessrule {
my $args='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
if ($args eq '') {
- &Apache::lonxml::get_all_text("/accessrule",$parser);
+ &Apache::lonxml::get_all_text("/accessrule",$parser,$style);
} else {
$currentstring = $token->[4];
}
@@ -535,23 +563,25 @@ sub start_body {
$token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
';'.$onUnload;
- if ($env{'request.state'} ne 'construct') {
- $currentstring .= '<'.$token->[1];
- }
+ $currentstring .= '<'.$token->[1];
foreach (keys %{$token->[2]}) {
$currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
}
- if ($env{'request.state'} ne 'construct') {
- $currentstring.='>';
+ $currentstring.='>';
+ &Apache::lontexconvert::jsMath_reset();
+ if ($env{'environment.texengine'} eq 'jsMath') {
+ $currentstring.=&Apache::lontexconvert::jsMath_header();
}
if ($env{'request.state'} ne 'published') {
- my $remote=($env{'environment.remote'} ne 'off');
- $currentstring=&Apache::loncommon::bodytag(undef,undef,
- $currentstring,$remote);
+ if ($env{'environment.remote'} eq 'off') {
+ $currentstring.=
+ &Apache::lonmenu::constspaceform().
+ &Apache::lonmenu::menubuttons(1,'web',1);
+ }
$currentstring.=(<<EDITBUTTON);
- <form method="post">
- <input type="submit" name="editmode" accesskey="e" value="Edit" />
- </form>
+<form method="post">
+<input type="submit" name="editmode" accesskey="e" value="Edit" />
+</form>
EDITBUTTON
} else {
$currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
@@ -565,7 +595,7 @@ EDITBUTTON
sub end_body {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # Close off unclosed <p>
+ my $currentstring = &end_p(); # Close off unclosed <p>
if ($target eq 'web') {
$currentstring .= &Apache::lonxml::xmlend($target,$parser);
} elsif ($target eq 'tex') {
@@ -574,20 +604,26 @@ sub end_body {
return $currentstring;
}
+# \begin{center} causes a new paragprah spacing that looks odd inside
+# of a table cell
+sub center_correction { return '\vspace*{-6 mm}'; }
#-- <center> tag (end tag required)
sub start_center {
- my ($target,$token) = @_;
- my $currentstring = &end_p; # Close off any prior para.
+ my ($target,$token,$tagstack) = @_;
+ my $currentstring = &end_p(); # Close off any prior para.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
+ if (&is_inside_of($tagstack, "table")) {
+ $currentstring .= ¢er_correction();
+ }
$currentstring .= '\begin{center}';
}
return $currentstring;
}
sub end_center {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
@@ -598,13 +634,15 @@ sub end_center {
}
#-- <b> tag (end tag required)
+# NOTE: In TeX mode disables internal <p>
sub start_b {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
- $currentstring = '\textbf{';
+ &disable_para();
+ $currentstring .= '\textbf{';
}
return $currentstring;
}
@@ -615,18 +653,21 @@ sub end_b {
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- $currentstring = '}';
+ &enable_para();
+ $currentstring = '}';
}
return $currentstring;
}
#-- <strong> tag (end tag required)
+# NOTE: in TeX mode disables internal <p>
sub start_strong {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
+ &disable_para();
$currentstring = '\textbf{';
}
return $currentstring;
@@ -638,6 +679,7 @@ sub end_strong {
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
+ &enable_para();
$currentstring = '}';
}
return $currentstring;
@@ -646,7 +688,7 @@ sub end_strong {
#-- <h1> tag (end tag required)
sub start_h1 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # Close off any prior para.
+ my $currentstring = &end_p(); # Close off any prior para.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -695,7 +737,7 @@ sub end_h1 {
#-- <h2> tag
sub start_h2 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # Close off any prior para.
+ my $currentstring = &end_p(); # Close off any prior para.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -738,7 +780,7 @@ sub end_h2 {
#-- <h3> tag
sub start_h3 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # Close off any prior para.
+ my $currentstring = &end_p(); # Close off any prior para.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -781,7 +823,7 @@ sub end_h3 {
#-- <h4> tag
sub start_h4 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # Close off any prior para.
+ my $currentstring = &end_p(); # Close off any prior para.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -824,7 +866,7 @@ sub end_h4 {
#-- <h5> tag
sub start_h5 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # Close off any prior paras.
+ my $currentstring = &end_p(); # Close off any prior paras.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -867,7 +909,7 @@ sub end_h5 {
#-- <h6> tag
sub start_h6 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # Close off any prior paras.
+ my $currentstring = &end_p(); # Close off any prior paras.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -1125,39 +1167,58 @@ sub end_q {
my $closing_string = ''; # String required to close <p>
+# Some tags are <p> fragile meaning that <p> inside of them
+# does not work within TeX mode. This is managed via the
+# counter below:
+#
+
+ my $para_disabled = 0;
+
+sub disable_para {
+ $para_disabled++;
+}
+sub enable_para {
+ $para_disabled--;
+}
+
+
#-- <p> tag (end tag optional)
#optional attribute - align="center|left|right"
sub start_p {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # close off prior para if in progress.
+ my $currentstring = '';
if ($target eq 'web') {
+ $currentstring .= &end_p(); # close off prior para if in progress.
$currentstring .= $token->[4];
- $closing_string = '</p>'; # Not sure this is correct.
- } elsif ($target eq 'tex') {
+ if (! ($currentstring =~ /\//)) {
+ $closing_string = '</p>'; # Deal correctly with <p /> e.g.
+ }
+ } elsif ($target eq 'tex' && !$para_disabled) {
+
+ $currentstring .= &end_p(); # close off prior para if in progress.
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if ($align eq 'center') {
$currentstring .='\begin{center}\par';
$closing_string = '\end{center}';
+ if (&is_inside_of($tagstack, "table")) {
+ $currentstring = ¢er_correction().$currentstring;
+ }
} elsif ($align eq 'right') {
- $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{';
- $closing_string= '}}';
+ $currentstring.="\n".'{\flushright ';
+# $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{';
+ $closing_string= "}\n";
} elsif ($align eq 'left') {
- $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{\rlap{';
- $closing_string = '}\hfill}';
+ $currentstring.= "\n".'{\flushleft ';
+# $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{{';
+ $closing_string = "}\n";
} else {
$currentstring.='\par ';
- $closing_string = '\strut\\\\\strut';
- }
- my $signal=1;#<p> does not work inside <b>...</b>
- foreach my $tag (@$tagstack) {
- if (lc($tag) eq 'b') {
- $signal=0;
+ if (&is_inside_of($tagstack, 'table')) {
+ $closing_string = '\vskip 0pt'; # Seems to be consistent with <p> in tables.
+ } else {
+ $closing_string = '\strut\\\\\strut ';
}
- }
- if (!$signal) {
- $currentstring = &end_p; # Just close the prior? Not sure this is correct
- $closing_string = ''; # Probably correct?
- }
+ }
}
return $currentstring;
@@ -1166,9 +1227,16 @@ sub start_p {
# End paragraph processing just requires that we output the
# closing string that was saved and blank it.
sub end_p {
- my $current_string = $closing_string;
- $closing_string = ''; # Not in a para anymore.
- return $current_string;
+ # Note only 'tex' mode uses disable_para and enable_para
+ # so we don't need to know the target in the check below:
+
+ if (!$para_disabled) {
+ my $current_string = $closing_string;
+ $closing_string = ''; # Not in a para anymore.
+ return $current_string;
+ } else {
+ return '';
+ }
}
}
@@ -1181,6 +1249,9 @@ sub start_br {
} elsif ($target eq 'tex') {
my @tempo=@$tagstack;
my $signal=0;
+ # Not going to factor this to is_inside_of since that would require
+ # multiple stack traversals.
+ #
for (my $i=$#tempo;$i>=0;$i--) {
if (($tempo[$i] eq 'b') || ($tempo[$i] eq 'strong') ||
($tempo[$i] eq 'ol') || ($tempo[$i] eq 'ul') ||
@@ -1417,7 +1488,7 @@ sub end_sup {
#-- <hr> tag (end tag forbidden)
sub start_hr {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # End enclosing para.
+ my $currentstring = &end_p(); # End enclosing para.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -1455,12 +1526,47 @@ sub end_hr {
}
#-- <div> tag (end tag required)
+{
+
+# Since div can be nested, the stack below is used
+# in 'tex' mode to store the ending strings
+# for the div stack.
+
+ my @div_end_stack;
+
sub start_div {
- my ($target,$token) = @_;
- my $currentstring = &end_p; # Close enclosing para.
+ my ($target,$token, $tagstack, $parstack, $parser, $safeeval) = @_;
+ my $currentstring = &end_p(); # Close enclosing para.
if ($target eq 'web') {
$currentstring .= $token->[4];
}
+ if ($target eq 'tex') {
+ # 4 possible alignments: left, right, center, and -missing-.
+
+ my $endstring = '';
+
+ my $align = lc(&Apache::lonxml::get_param('align', $parstack,
+ $safeeval, undef, 1));
+ if ($align eq 'center') {
+ $currentstring .= '\begin{center}';
+ $endstring = '\end{center}';
+ if (&is_inside_of($tagstack, "table")) {
+ $currentstring = ¢er_correction().$currentstring;
+ }
+ }
+ elsif ($align eq 'right') {
+ $currentstring .= '\begin{flushright}';
+ $endstring .= '\end{flushright}';
+ } elsif ($align eq 'left') {
+ $currentstring .= '\begin{flushleft}';
+ $endstring = '\end{flushleft}';
+ } else {
+
+ }
+ $currentstring .= "\n"; # For human readability.
+ $endstring = "\n$endstring\n"; # For human readability
+ push(@div_end_stack, $endstring);
+ }
return $currentstring;
}
@@ -1469,9 +1575,14 @@ sub end_div {
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
- }
+ }
+ if ($target eq 'tex') {
+ my $endstring = pop @div_end_stack;
+ $currentstring .= $endstring;
+ }
return $currentstring;
}
+}
#-- <a> tag (end tag required)
sub start_a {
@@ -1539,7 +1650,7 @@ sub start_li {
sub end_li {
my ($target,$token) = @_;
- my $currentstring = &end_p; # In case there's a <p> in the <li>
+ my $currentstring = &end_p(); # In case there's a <p> in the <li>
if ($target eq 'web') {
$currentstring .= $token->[2];
}
@@ -1575,7 +1686,7 @@ sub end_u {
#-- <ul> tag (end tag required)
sub start_ul {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # Close off enclosing list.
+ my $currentstring = &end_p(); # Close off enclosing list.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -1642,7 +1753,7 @@ sub end_menu {
#-- <dir> tag (end tag required)
sub start_dir {
my ($target,$token) = @_;
- my $currentstring = &end_p; # In case there's a <p> prior to the list.
+ my $currentstring = &end_p(); # In case there's a <p> prior to the list.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -1665,7 +1776,7 @@ sub end_dir {
#-- <ol> tag (end tag required)
sub start_ol {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # In case there's a <p> prior to the list.
+ my $currentstring = &end_p(); # In case there's a <p> prior to the list.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -1719,7 +1830,7 @@ sub end_ol {
#-- <dl> tag (end tag required)
sub start_dl {
my ($target,$token) = @_;
- my $currentstring = &end_p; # In case there's a <p> unclosed prior to the list.
+ my $currentstring = &end_p(); # In case there's a <p> unclosed prior to the list.
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -1835,7 +1946,7 @@ sub end_dd {
sub start_table {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $textwidth = '';
- my $currentstring = &end_p;
+ my $currentstring = &end_p();
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
@@ -1859,24 +1970,35 @@ sub start_table {
}
}
}
+
+ # width either comes forced from the TeXwidth or the width parameters.
+ # in either case it can be a percentage or absolute width.
+ # in the width case we ignore absolute width
my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
- if (not defined $TeXwidth) {
- my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,$safeeval,undef,1);
- if ($htmlwidth=~/%/) {
- $Apache::londefdef::table[-1]{'percent'}=1;
- $htmlwidth=~/(\d+)/;
- $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;;
- } else {
- $Apache::londefdef::table[-1]{'width'}=$textwidth;
+ if (!defined($TeXwidth)) {
+ my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,
+ $safeeval,undef,1);
+ if ($htmlwidth =~ /%/) {
+ $TeXwidth = $htmlwidth;
+ } else {
+ $TeXwidth = $textwidth;
}
- } elsif ($TeXwidth=~/%/) {
+ } else {
+ $Apache::londefdef::table[-1]{'forcedtablewidth'} = 1;
+ }
+ if ($TeXwidth=~/%/) {
$Apache::londefdef::table[-1]{'percent'}=1;
$TeXwidth=~/(\d+)/;
$Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;
} else {
- $Apache::londefdef::table[-1]{'forcetablewidth'}=1;
$Apache::londefdef::table[-1]{'width'}=$TeXwidth;
- }
+ }
+ # In the end, however the table width cannot be wider than $textwidth...
+
+ if ($Apache::londefdef::table[-1]{'width'} > $textwidth) {
+ $Apache::londefdef::table[-1]{'width'} = $textwidth;
+ }
+
#table's border
my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval);
my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
@@ -1891,7 +2013,9 @@ sub start_table {
$Apache::londefdef::table[-1]{'vvinc'} = '';
}
if ($#Apache::londefdef::table==0) {
- $Apache::londefdef::table[-1]{'output'}='\strut\newline\strut\setlength{\tabcolsep}{1 mm}';
+ # Note that \newline seems to destroy the alignment envs.
+ # $Apache::londefdef::table[-1]{'output'}='\strut\newline\strut\setlength{\tabcolsep}{1 mm}';
+ $Apache::londefdef::table[-1]{'output'}='\strut'.'\\\\'."\n".'\strut\setlength{\tabcolsep}{1 mm}';
}
$Apache::londefdef::table[-1]{'output'}.=' \noindent \begin{tabular} ';
$Apache::londefdef::table[-1]{'TeXlen'}=[];
@@ -1902,7 +2026,9 @@ sub start_table {
$Apache::londefdef::table[-1]{'content'}=[];
$Apache::londefdef::table[-1]{'align'}=[];
$currentstring.='\keephidden{NEW TABLE ENTRY}';
- }
+
+
+ }
return $currentstring;
}
@@ -1916,6 +2042,7 @@ sub end_table {
my $output = '';
my $WARNING='';
#width of columns from TeXwidth attributes
+
for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]<$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn]) {
@@ -2098,25 +2225,114 @@ sub end_table {
$header_of_table .= '}';
#fill the table
for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
+ my $have_rowspan = 0;
for (my $jn=0;$jn<=$#fwidth;$jn++) {
+
+ #-----------------------------------------------------------
+ # I think this order of doing things will ensure that
+ # single rowspan, columspan and combined row/colspans will
+ # work correctly. LaTeX is delicate here.
+ # RF.
+
+ # Start a rowspan if necessary:
+
+ my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn];
+ my $colspan = $Apache::londefdef::table[-1]{'colspan'}[$in][$jn];
+ #
+ # Do the appropriate magic if this has a colspan
+ #
+
+ if ($colspan > 1) {
+ $output .= '\multicolumn{'.
+ $colspan
+ .'}{|l|}{';
+ }
+
+ if ($rowspan > 1) {
+ $have_rowspan++;
+ $output .= '\multirow{'.$rowspan.'}[0]{'.$fwidth[$jn].'mm}{';
+ }
+ if (($rowspan eq '^') || ($rowspan eq '_')) {
+ $have_rowspan++;
+ }
+ #--------------------------------------------------------------
+
if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
- $output.='\vspace*{-6 mm}\begin{center}';
+ $output.=¢er_correction().'\begin{center}';
} elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
$output.=' \hfill \llap{'
}
$output.=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
- $output.='\end{center}\vspace*{-6 mm}';
+ $output.='\end{center}';
} elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
$output.='} ';
}
+ # Close off any open multirow:
+
+ if ($rowspan > 1) {
+ $output .= '}';
+ }
+ # Close off the colspan...
+ #
+ if ($colspan > 1) {
+ $output .= '}';
+ $jn += $colspan-1; # Adjust for number of rows really left.
+ }
if ($jn!=$#fwidth) {$output.=' '.$Apache::londefdef::table[-1]{'vinc'};}
}
- $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' ';
+ # If have_rowspan > 0, and borders are on, then
+ # we need to do more than put an \hline at the bottom of row.
+ # we need to do the appropriate \cline to ensure that
+ # the spanned rows don't have \hlines through them.
+
+ if (($Apache::londefdef::table[-1]{'hinc'} =~ /\\hline/) && $have_rowspan) {
+ $output .= ' \\\\ ';
+ for (my $jn=0; $jn<=$#fwidth;$jn++) {
+ my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn];
+ if ($rowspan ne "^") {
+ if (($rowspan <= 1) || ($rowspan eq '_')) {
+ my $column = $jn+1;
+ $output .= '\cline{'.$column.'-'.$column.'} ';
+ }
+ }
+ }
+
+ } else {
+ $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' ';
+ }
}
- $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut\newline\strut ';
+ # Note that \newline destroys alignment env's produced by e.g. <div>
+ # $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut\newline\strut ';
+ $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut'.'\\\\'."\n".'\strut ';
if ($#Apache::londefdef::table > 0) {
my $inmemory = $Apache::londefdef::table[-1]{'output'};
+ # Figure out max/and min width by summing us and then
+ # apply that to the current column of the table we nest in
+ # if it's larger than the current width or the current width
+ # is undefined.
+ #
+ my $min_nested_width = 0;
+ my $max_nested_width = 0;
+ for (my $col = 0; $col <= $Apache::londefdef::table[-1]{'counter_columns'}; $col++) {
+ $min_nested_width += $min_len[$col];
+ $max_nested_width += $max_len[$col];
+
+ }
+ # Fudge in an extra 5 mm for borders etc:
+
+ $min_nested_width += 5;
+ $max_nested_width += 5;
+
+ my $outer_column = $Apache::londefdef::table[-2]{'counter_columns'};
+ my $outer_row = $Apache::londefdef::table[-2]{'row_number'};
+ if ($min_nested_width > $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column]) {
+ $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column] = $min_nested_width;
+ }
+ if ($max_nested_width > $Apache::londefdef::table[-2]{'maxlen'}[$outer_row][$outer_column]) {
+ $Apache::londefdef::table[-2]{'maxlen'}[$outer_row][$outer_column] = $max_nested_width;
+ }
+
pop @Apache::londefdef::table;
push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory;
} else {
@@ -2143,6 +2359,10 @@ sub start_tr {
push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
}
push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
+ #
+ # Need to save the number of table columns to preserve the max # columns.
+ #
+ $Apache::londefdef::table[-1]{'prior_columns'} = $Apache::londefdef::table[-1]{'counter_columns'};
$Apache::londefdef::table[-1]{'counter_columns'} = -1;
push @ {$Apache::londefdef::table[-1]{'TeXlen'}}, [];
push @ {$Apache::londefdef::table[-1]{'objectlen'}}, [];
@@ -2155,13 +2375,21 @@ sub start_tr {
sub end_tr {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # Close any pending <p> in the row.
+ my $currentstring = &end_p(); # Close any pending <p> in the row.
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
if ($Apache::londefdef::TD_redirection) {
&end_td_tex($parstack,$parser,$safeeval);
}
+ # Counter columns must be the maximum number of columns seen
+ # in the table so far so:
+ if ($Apache::londefdef::table[-1]{'prior_columns'} > $Apache::londefdef::table[-1]{'counter_columns'}) {
+ $Apache::londefdef::table[-1]{'counter_columns'} = $Apache::londefdef::table[-1]{'prior_columns'};
+ }
+
+
+
}
return $currentstring;
}
@@ -2216,8 +2444,51 @@ sub start_td_tex {
sub end_td_tex {
my ($parstack,$parser,$safeeval) = @_;
- my $current_row = $Apache::londefdef::table[-1]{'row_number'};
- my $data=&Apache::lonxml::endredirection();
+ my $current_row = $Apache::londefdef::table[-1]{'row_number'};
+ my $current_column = $Apache::londefdef::table[-1]{'counter_columns'};
+ my $data = &Apache::lonxml::endredirection();
+
+ # The rowspan array of the table indicates which cells are part of a span.
+ # n indicates the start of a span set of n rows.
+ # ^ indicates a cell that continues a span set.
+ # _ indicates the cell is at the bottom of a span set.
+ # If this and subsequent cells are part of a rowspan, we must
+ # push along the row until we find one that is not.
+
+ while ((defined $Apache::londefdef::table[-1]{'rowspan'}[$current_row] [$current_column])
+ && ($Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column] =~ /[\^\_]/)) {
+ # Part of a span.
+ push @ {$Apache::londefdef::table[-1]{'content'}[-1]}, '';
+ $current_column++;
+ }
+ $Apache::londefdef::table[-1]{'counter_columns'} = $current_column;
+
+
+ # Get the column and row spans.
+ # Colspan can be done via \multicolumn if I can figure out the data structs.
+
+ my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 0);
+ if (!$colspan) {
+ $colspan = 1;
+ }
+
+ my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 0);
+ if (!$rowspan) {
+ $rowspan = 1;
+ }
+
+
+
+ for (my $c = 0; $c < $colspan; $c++) {
+ $Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column+$c] = $rowspan;
+ for (my $i = 1; $i < $rowspan; $i++) {
+ $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column+$c] = '^';
+ if ($i == ($rowspan-1)) {
+ $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column+$c] = '_';
+ }
+ }
+ }
+
my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
if (defined $TeXwidth) {
push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
@@ -2294,11 +2565,43 @@ sub end_td_tex {
push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
}
}
- for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
- $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
- }
+ # Substitute all of the tables nested in this cell in their appropriate places.
+
+
+ my $nested_count = $#{$Apache::londefdef::table[-1]{'include'}}; # This one is constant...
+ for (my $in=0; $in<=$nested_count; $in++) {
+ my $nested = shift @{$Apache::londefdef::table[-1]{'include'}};
+ $nested =~ s/\\end\{tabular\}\\strut\\\\/\\end\{tabular\}/;
+ # $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
+ $data =~ s/\\keephidden\{NEW TABLE ENTRY\}/$nested/;
+
+ }
+ # Should be be killing off the 'include' elements as they're used up?
+
push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
- return'';
+
+
+
+
+ # the colspan array will indicate how many columns will be spanned by this
+ # cell..this requires that counter_columns also be adjusted accordingly
+ # so that the next bunch of text goes in the right cell. Note that since
+ # counter_columns is incremented in the start_td_tex, we adjust by colspan-1.
+ #
+
+ $Apache::londefdef::table[-1]{'counter_columns'} += $colspan -1;
+ for (my $i = 0; $i < ($colspan -1); $i++) {
+ push @ {$Apache::londefdef::table[-1]{'content'}[-1] },'';
+ }
+ for (my $r = 0; $r < $rowspan; $r++) {
+ $Apache::londefdef::table[-1]{'colspan'}[$current_row+$r][$current_column] = $colspan;
+ # Put empty text in spanned cols.
+
+ }
+
+
+
+ return '';
}
sub end_td {
@@ -2432,7 +2735,7 @@ sub end_th_tex {
sub end_th {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # Close any open <p> in the row.
+ my $currentstring = &end_p(); # Close any open <p> in the row.
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
@@ -2454,14 +2757,14 @@ sub end_th {
# (Note there seems to also be support for this as a % of page size)
#
sub start_img {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
undef,1);
if (not $src and ($target eq 'web' or $target eq 'tex')) {
- my $inside = &Apache::lonxml::get_all_text("/img",$parser);
+ my $inside = &Apache::lonxml::get_all_text("/img",$parser,$style);
return '';
}
- $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
+ &Apache::lonxml::extlink($src);
my $currentstring = '';
my $scaling = .3;
@@ -2469,13 +2772,17 @@ sub start_img {
if ($target eq 'web') {
if ($env{'browser.imagesuppress'} ne 'on') {
- $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src});
+ my $enc = ('yes' eq
+ lc(&Apache::lonxml::get_param('encrypturl',$parstack,
+ $safeeval)));
+ $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src},
+ $enc);
} else {
- my $alttag= &Apache::lonxml::get_param
- ('alt',$parstack,$safeeval,undef,1);
- unless ($alttag) {
- $alttag=&Apache::lonmeta::alttag
- ($Apache::lonxml::pwd[-1],$src);
+ my $alttag = &Apache::lonxml::get_param('alt',$parstack,$safeeval,
+ undef,1);
+ if (!$alttag) {
+ $alttag = &Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
+ $src);
}
$currentstring.='[IMAGE: '.$alttag.']';
}
@@ -2494,7 +2801,7 @@ sub start_img {
$safeeval,
undef,1));
if(!$align) {
- $align = "bottom"; # This is html's default so it's ours too.
+ $align = "bottom"; # This is html's default so it's ours too.
}
#
&Apache::lonxml::debug("Alignemnt = $align");
@@ -2509,11 +2816,18 @@ sub start_img {
$parstack,
$safeeval,
undef,0);
- &Apache::lonxml::debug("LaTeX rendering = $latex_rendering");
+ # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering");
if(!$latex_rendering) {
- $latex_rendering = "parbox";
+ $latex_rendering = "texwrap";
+ }
+ # using texwrap inside a table does not work. So, if after all of this,
+ # texwrap is on, we turn it off if we detect we're in a table:
+ #
+ if (($latex_rendering eq 'texwrap') && &is_inside_of($tagstack, "table")) {
+ $latex_rendering = 'parpic';
}
- &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src");
+
+ # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src");
#if original gif/jpg/png file exist do following:
my $origsrc=$src;
@@ -2552,16 +2866,17 @@ sub start_img {
} elsif ($align eq "left") {
if ($latex_rendering eq "parpic") {
$currentstring = '\parpic[l]{'.$currentstring.'}';
- } else { # parbox rendering
- $currentstring = "\\strut\\newline\n".
- '\parbox{'.$width_param.'mm}{'.$currentstring.'}';
+ } else { # wrapfig render
+ $currentstring = '\begin{wrapfigure}{l}{'.$width_param.'mm}'
+ .'\scalebox{1.0}{'.$currentstring.'}\end{wrapfigure}';
}
} elsif ($align eq "right") {
if ($latex_rendering eq "parpic") {
$currentstring = '\parpic[r]{'.$currentstring.'}';
- } else { # parbox rendering.
- $currentstring = '\parbox{'.$width_param.'mm}{\begin{flushright}'
- .$currentstring.'\end{flushright}} \newline'."\n";
+ } else { # wrapfig rendering
+ $currentstring = '\begin{wrapfigure}{r}{'.$width_param.'mm}'
+ .'\scalebox{1.0}{'.$currentstring.'}\end{wrapfigure}';
+
}
} else { # Bottom is also default.
# $currentstring = '\raisebox{'.$height_param.'mm}{'.$currentstring.'}';
@@ -2594,6 +2909,8 @@ sub start_img {
['','bottom','middle','top','left','right'],$token,5);
$currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap',
['', 'parbox', 'parpic'], $token, 2);
+ $currentstring .=&Apache::edit::select_arg('Encyrpt URL:','encrypturl',
+ ['no','yes'], $token, 2);
$currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
my $src= &Apache::lonxml::get_param('src',$parstack,$safeeval);
my $alt= &Apache::lonxml::get_param('alt',$parstack,$safeeval);
@@ -2611,7 +2928,7 @@ sub start_img {
my $ctag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'src','alt','align',
'TeXwidth','TeXheight', 'TeXwrap',
- 'width','height');
+ 'width','height','encrypturl');
my ($nsrc,$nwidth,$nheight)=
($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
my $loc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$nsrc);
@@ -2666,12 +2983,10 @@ sub start_applet {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
- $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$code;
-
+ &Apache::lonxml::extlink($code);
my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
undef,1);
- $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$archive;
-
+ &Apache::lonxml::extlink($archive);
my $currentstring = '';
if ($target eq 'web') {
if ($env{'browser.appletsuppress'} ne 'on') {
@@ -2717,7 +3032,7 @@ sub end_applet {
sub start_embed {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
- $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
+ &Apache::lonxml::extlink($src);
my $currentstring = '';
if ($target eq 'web') {
if ($env{'browser.embedsuppress'} ne 'on') {
@@ -2748,13 +3063,15 @@ sub end_embed {
#-- <param> tag (end tag forbidden)
sub start_param {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- if (&Apache::lonxml::get_param
- ('name',$parstack,$safeeval,undef,1)=~/^cabbase$/i) {
- $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
- &Apache::lonxml::get_param('value',$parstack,$safeeval,undef,1);
- }
- $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
- &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
+ if (&Apache::lonxml::get_param('name',$parstack,
+ $safeeval,undef,1)=~/^cabbase$/i) {
+ my $value=&Apache::lonxml::get_param('value',$parstack,
+ $safeeval,undef,1);
+ &Apache::lonxml::extlink($value);
+ }
+
+ my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
+ &Apache::lonxml::extlink($src);
my $currentstring = '';
if ($target eq 'web') {
my %toconvert;
@@ -2786,9 +3103,8 @@ sub end_param {
sub start_allow {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
- $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
- $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
- &Apache::lonnet::clutter($src);
+ &Apache::lonxml::extlink($src);
+
if ($target eq 'tex') { &image_replication($src); }
my $result;
if ($target eq 'edit') {
@@ -2882,11 +3198,12 @@ sub end_xmp {
#-- <pre> (end tag required)
sub start_pre {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # close off pending <p>
+ my $currentstring = &end_p(); # close off pending <p>
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\begin{verbatim}';
+ &Apache::lonxml::disable_LaTeX_substitutions();
}
return $currentstring;
}
@@ -2898,6 +3215,7 @@ sub end_pre {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '\end{verbatim}';
+ &Apache::lonxml::enable_LaTeX_substitutions();
}
return $currentstring;
}
@@ -2945,7 +3263,7 @@ sub end_externallink {
#-- <blankspace heigth="">
sub start_blankspace {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = &end_p; # closes off any unclosed <p>
+ my $currentstring = &end_p(); # closes off any unclosed <p>
if ($target eq 'tex') {
my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
$currentstring .= '\vskip '.$howmuch.' ';
@@ -3098,7 +3416,7 @@ sub end_blink {
#-- <blockquote> tag (end tag required)
sub start_blockquote {
my ($target,$token) = @_;
- my $currentstring = &end_p; # Close any unclosed <p>
+ my $currentstring = &end_p(); # Close any unclosed <p>
if ($target eq 'web') {
$currentstring .= $token->[4];
}
@@ -3382,9 +3700,12 @@ sub end_legend {
#-- <link> tag (end tag forbidden)
sub start_link {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
+ my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,
+ undef,1);
+ &Apache::lonxml::extlink($href);
$currentstring = $token->[4];
}
return $currentstring;
@@ -3421,7 +3742,7 @@ sub end_marquee {
#-- <multicol> tag (end tag required)
sub start_multicol {
my ($target,$token) = @_;
- my $currentstring = &end_p; # Close any pending <p>
+ my $currentstring = &end_p(); # Close any pending <p>
if ($target eq 'web') {
$currentstring .= $token->[4];
}
@@ -3619,7 +3940,7 @@ sub end_server {
#-- <spacer> tag (end tag forbidden)
sub start_spacer {
my ($target,$token) = @_;
- my $currentstring = &end_p; # Close off any open <p> tag.
+ my $currentstring = &end_p(); # Close off any open <p> tag.
if ($target eq 'web') {
$currentstring .= $token->[4];
}
@@ -3900,7 +4221,15 @@ sub image_height {
sub get_eps_image {
my ($src)=@_;
my $orig_src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1], $src);
+
+ # In order to prevent the substitution of the alt text, we need to
+ # be sure the orig_src file is on system now so:
+
+ if (! -e $orig_src) {
+ &Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal.
+ }
&Apache::lonxml::debug("get_eps_image: Original image: $orig_src");
+ my ($spath, $sname, $sext) = fileparse($src, qr/\.(gif|png|jpg|jpeg)/i);
$src=~s/\.(gif|png|jpg|jpeg)$/\.eps/i;
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
&Apache::lonxml::debug("Filelocation gives: $src");
@@ -3929,6 +4258,9 @@ sub get_eps_image {
close FILE;
$src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
$src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|;
+ if ($sext ne "") { # Put the ext. back in to uniquify.
+ $src =~ s/\.eps$/$sext.eps/;
+ }
}
}
}
@@ -3968,7 +4300,11 @@ sub file_path {
}
return $file,$path;
}
-
+# Converts a measurement in to mm from any of
+# the other valid LaTeX units of measure.
+# If the units of measure are missing from the
+# parameter, it is assumed to be in and returned
+# with mm units of measure
sub recalc {
my $argument = shift;
if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
@@ -4013,6 +4349,26 @@ sub LATEX_length {
}
+# is_inside_of $tagstack $tag
+# This sub returns true if the current state of Xml processing
+# is inside of the tag.
+# Parameters:
+# tagstack - The tagstack from the parser.
+# tag - The tag (without the <>'s.).
+# Sample usage:
+# if (is_inside_of($tagstack "table")) {
+# # I'm in a table....
+# }
+sub is_inside_of {
+ my ($tagstack, $tag) = @_;
+ my @stack = @$tagstack;
+ for (my $i = ($#stack - 1); $i >= 0; $i--) {
+ if ($stack[$i] eq $tag) {
+ return 1;
+ }
+ }
+ return 0;
+}
1;