--- loncom/xml/londefdef.pm	2009/04/13 20:42:32	1.401
+++ loncom/xml/londefdef.pm	2010/11/13 01:43:01	1.403.4.3
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.401 2009/04/13 20:42:32 raeburn Exp $
+# $Id: londefdef.pm,v 1.403.4.3 2010/11/13 01:43:01 raeburn Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -552,7 +552,7 @@ sub start_body {
 	}
 	$currentstring.=&Apache::lonxml::message_location();
     } elsif ($target eq 'tex') {
-	$currentstring = '\begin{document}';  
+	$currentstring = '';   #  '\begin{document}' is in header.
     } 
     return $currentstring;
 }
@@ -2018,29 +2018,39 @@ sub start_table {
 	my $width  = &Apache::lonxml::get_param('TeXwidth', $parstack, $safeeval, undef, 0);
 	my $theme  = &Apache::lonxml::get_param('TeXtheme', $parstack, $safeeval, undef, 0);
 	my $align  = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 0);
+        my $cell_border = &Apache::lonxml::get_param('rules', $parstack, $safeeval, undef, 0);
 
 	# The only thing that needs any figuring out is the width.. and then only if it is
 	# a percent. If not it's assumed to be some valid TeX measurement unit e.g. 3.0cm
 	#
 
 	my $table = new Apache::lontable();
-	if ($border ne '') {
-	    $table->table_border(1);
-	    $table->cell_border(1);
-	}
-	if ($theme ne '') {
+        if ((defined $border) && ($border > 0)) {
+        #    &Apache::lonnet::logthis("Turning on table borders: $border");
+            $table->table_border(1);
+            if ($cell_border ne 'none') {
+                $table->cell_border(1); # html specs that border turns on both...unless rules='none'.
+            }
+        }
+        # Only all or nothing for cell borders for now:
+
+        if ((defined $cell_border) && ($cell_border ne 'none')) {
+        #    &Apache::lonnet::logthis("Turning on cell borders: $cell_border");
+            $table->cell_border(1);
+        }
+	if (defined $theme) {
 	    $table->theme($theme);
 	}
-	if ($align ne '') {
+	if (defined $align) {
 	    $table->alignment($align);
 	}
 
 	# Missing width is most of page width
 
-	if ($width eq "") {
+	if (!(defined $width)) {
 	    $width = '70%';
 	}
-	
+
 	# If a percentage, need to calculate what this means in terms of
 	# page width:
 	
@@ -2692,7 +2702,7 @@ sub tag_check {
 #
 
 sub cell_config_hash {
-    my ($align, $rowspan, $colspan) = @_;
+    my ($align, $rowspan, $colspan, $width) = @_;
     my %config;
     if ($align ne '') {
 	$config{'halign'} = $align;
@@ -2703,6 +2713,9 @@ sub cell_config_hash {
     if ($rowspan ne '') {
 	$config{'rowspan'} = $rowspan;
     }
+    if ($width ne '') {
+        $config{'width'} = $width;
+    }
     return \%config;
 }
  
@@ -2714,11 +2727,11 @@ sub start_td_tex {
     # attributes, but empty of text.  end_td_tex will
     # fetch the contents from the recursive parse and
     # fill the cell with them:
-    my $align   = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 1);
-    my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 1);
-    my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 1);
-
-    my $config = &cell_config_hash($align, $rowspan, $colspan);
+    my $align   = &Apache::lonxml::get_param('align', $parstack, $safeeval);
+    my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval);
+    my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval);
+    my $width   = &Apache::lonxml::get_param('TeXwidth', $parstack, $safeeval);
+    my $config = &cell_config_hash($align, $rowspan, $colspan, $width);
 
     my $table = $Apache::londefdef::table[-1];
     $table->add_cell('', $config);
@@ -3245,21 +3258,28 @@ sub start_img {
 						   ['','bottom','middle','top','left','right'],$token,5);
 	$currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap',
 						   ['', 'none','parbox', 'parpic', 'wrapfigure'], $token, 2);
+        my $alt=    &Apache::lonxml::get_param('alt',$parstack,$safeeval);
+        my $enc=    &Apache::lonxml::get_param('encrypturl',$parstack,$safeeval);
+
 	$currentstring .=&Apache::edit::select_arg('Encrypt URL:','encrypturl',
 						   ['no','yes'], $token, 2);
+        if (($alt=~/\S/) && (lc($enc) eq 'yes')) {
+           $currentstring.='<br /><span class="LC_warning">'.&mt('Warning: the description "[_1]" will be available, even for encrypted URL',$alt).'</span><br />';
+        }
 	$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);
 	my $width=  &Apache::lonxml::get_param('width',$parstack,$safeeval);
 	my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
 
         if ($token->[2]{'src'}=~/\$/) {
-           $currentstring.='Variable image source';
-        } else {
+           $currentstring.=&mt('Variable image source');
+        } elsif ($token->[2]{'src'}=~/\S/) {
 	   $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
 	   if ($width) { $currentstring.=' width="'.$width.'" '; }
 	   if ($height) { $currentstring.=' height="'.$height.'" '; }
 	   $currentstring .= ' />';
+        } else {
+           $currentstring.=&mt("No image source specified");
         }
     } elsif ($target eq 'modified') {
 	my ($osrc,$owidth,$oheight)=
@@ -4721,7 +4741,7 @@ sub align_latex_image {
     #    Even though we set a default alignment value, the user
     #    could have given us an illegal value.  In that case we
     #    just use the default alignment of bottom..
-    $currentstring = "\n% figurewrapping \n";
+    $currentstring = '';
     if      ($align eq "top")    {
 	$currentstring .= '\raisebox{-'.$height.'mm}{'.$image;
 	$closure = '}';
@@ -4764,8 +4784,6 @@ sub align_latex_image {
 	$currentstring .= "{$image";
 	$closure       = '}';
     }
-    $currentstring .= "\n% end wrappage\n";
-    $closure        = "\n% Begin closure\n".$closure."\n% End closure\n";
     return ($currentstring, $closure);
 }
 
@@ -4785,14 +4803,16 @@ sub is_inside_of {
 #
 #   This sub provides the typical LaTeX prefix matter for tex output:
 #
-sub latex_header
-{
+sub latex_header {
+    my ($mode) = @_;
     my $currentstring = '';
 
     $currentstring .= 
+	"\n% &Apache::lonxml::londefdef \n" .
 	'\documentclass[letterpaper,twoside]{article}\raggedbottom';
     if (($env{'form.latex_type'}=~'batchmode') ||
-	(!$env{'request.role.adv'})) {$currentstring .='\batchmode';} 
+	(!$env{'request.role.adv'}) || 
+	($mode eq 'batchmode')) {$currentstring .='\batchmode';} 
     $currentstring .= '\newcommand{\keephidden}[1]{}'.
 	'\renewcommand{\deg}{$^{\circ}$}'.
 	'\usepackage{multirow}'.
@@ -4820,8 +4840,14 @@ sub latex_header
 	'\usepackage{amssymb}'.
 	'\usepackage{amsfonts}'.
 	'\usepackage{amsthm}'.
-	'\usepackage{amscd}';
-    
+	'\usepackage{amscd}'
+        .'\usepackage{picins}\usepackage{calc}'."\n". # From lonprintout.pm
+	'\usepackage[T1]{fontenc}'."\n".
+	'\usepackage{lmodern}'."\n".
+	'\usepackage[postscript]{ucs}'."\n".
+	'\usepackage[utf8x]{inputenc}'."\n".
+	'\usepackage{pifont}'  . "\n";
+	
     if($env{'form.pdfFormFields'} eq 'yes') {
 	$currentstring .= '\usepackage{hyperref}'.
 	    '\usepackage{eforms}'.
@@ -4830,6 +4856,7 @@ sub latex_header
     
         $currentstring .= '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
                           '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large\textbf{Index}} \newline \setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}';
+    $currentstring .= '\begin{document}';
     
     return $currentstring;