--- loncom/xml/londefdef.pm	2011/10/06 22:18:59	1.415.4.5
+++ loncom/xml/londefdef.pm	2012/03/05 14:41:15	1.415.4.6.2.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.415.4.5 2011/10/06 22:18:59 raeburn Exp $
+# $Id: londefdef.pm,v 1.415.4.6.2.1 2012/03/05 14:41:15 raeburn Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -56,7 +56,7 @@ use LONCAPA();
 
 BEGIN {
 
-    &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput'));
+    &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','style','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput'));
 
 }
 
@@ -456,6 +456,31 @@ sub insert_meta {
     <meta />';
 }
 
+#-- <start> tag
+sub start_style {
+    my ($target, $token, $tagstack, $parstack, $parser, $safeeval, $style) = @_;
+    my $currentstring = '';
+
+    if ($target eq 'tex') {
+        Apache::lonxml::startredirection();
+    } else {
+        $currentstring = $token->[4];
+    }
+    return $currentstring;
+}
+
+sub end_style {
+    my ($target, $token, $tagstack, $parstack, $parser, $safeeval) = @_;
+    my $currentstring = '';
+
+    if ($target eq 'tex') {
+        Apache::lonxml::endredirection();
+    } else {
+        $currentstring = $token->[2];
+    }
+    return $currentstring;
+}
+
 # accessrule
 sub start_accessrule {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
@@ -3830,11 +3855,32 @@ sub end_col {
 
 #-- <colgroup> tag (end tag optional)
 sub start_colgroup {
-    my ($target,$token) = @_;
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
     my $currentstring = '';
     if ($target eq 'web' || $target eq 'webgrade') {
 	$currentstring = $token->[4];     
-    } 
+    }
+    if ($target eq 'tex') {
+        # TODO: Ensure this tag is in a table:
+
+        # Fetch the attributes and build the hash for the
+        # call to define_colgroup.
+
+        my $span    = &Apache::lonxml::get_param('span',   $parstack, $safeeval);
+        my $halign  = &Apache::lonxml::get_param('halign', $parstack, $safeeval);
+
+        my %colgroup_params;
+        if ($span ne '') {
+            $colgroup_params{'span'} = $span;
+        }
+        if ($halign ne '') {
+            $colgroup_params{'halign'} = $halign;
+        }
+
+        my $table = $Apache::londefdef::table[-1];
+        $table->define_colgroup(\%colgroup_params);
+
+    }
     return $currentstring;
 }
 
@@ -4320,6 +4366,12 @@ sub start_tbody {
     my $currentstring = '';
     if ($target eq 'web' || $target eq 'webgrade') {
 	$currentstring = $token->[4];     
+    }
+    if ($target eq 'tex') {
+        # TODO: Ensure this tag is within a table:
+
+        my $table = $Apache::londefdef::table[-1];
+        $table->start_body();
     } 
     return $currentstring;
 }
@@ -4329,6 +4381,12 @@ sub end_tbody {
     my $currentstring = '';
     if ($target eq 'web' || $target eq 'webgrade') {
 	$currentstring = $token->[2];    
+    }
+    if($target eq 'tex') {
+        # TODO: Ensure this tag is within a table:
+
+        my $table = $Apache::londefdef::table[-1];
+        $table->end_body();
     } 
     return $currentstring;
 }
@@ -4339,6 +4397,11 @@ sub start_tfoot {
     my $currentstring = '';
     if ($target eq 'web' || $target eq 'webgrade') {
 	$currentstring = $token->[4];     
+    }
+    if ($target eq 'tex') {
+        # TODO: ensure this is within a table tag.
+        my $table = $Apache::londefdef::table[-1];
+        $table->start_foot();
     } 
     return $currentstring;
 }
@@ -4348,6 +4411,11 @@ sub end_tfoot {
     my $currentstring = '';
     if ($target eq 'web' || $target eq 'webgrade') {
 	$currentstring = $token->[2];    
+    }
+    if ($target eq 'tex') {
+        #  TODO: Ensure this is in side a table
+        my $table = $Apache::londefdef::table[-1];
+        $table->end_foot();
     } 
     return $currentstring;
 }
@@ -4358,6 +4426,11 @@ sub start_thead {
     my $currentstring = '';
     if ($target eq 'web' || $target eq 'webgrade') {
 	$currentstring = $token->[4];     
+    }
+    if ($target eq 'tex') {
+        # Assume we're in a table... TODO: Verify that and ignore tag if not.
+        my $table = $Apache::londefdef::table[-1];
+        $table->start_head();
     } 
     return $currentstring;
 }
@@ -4367,6 +4440,12 @@ sub end_thead {
     my $currentstring = '';
     if ($target eq 'web' || $target eq 'webgrade') {
 	$currentstring = $token->[2];    
+    }
+    if ($target eq 'tex') {
+        # TODO: Verify we are in a table and ignore tag if not.
+
+        my $table = $Apache::londefdef::table[-1];
+        $table->end_head();
     } 
     return $currentstring;
 }