--- loncom/xml/londefdef.pm	2010/12/25 00:10:16	1.415.4.3
+++ 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 1.415.4.3 2010/12/25 00:10:16 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) = @_;
@@ -2045,9 +2070,6 @@ sub start_table {
     } elsif ($target eq 'tex') {
 	&disable_para();	# Can't have paras in a table.
 
-
-	#  New table code:
-
 	#  Get the parameters that we can do something about:
 
 	my $border = &Apache::lonxml::get_param('border', $parstack, $safeeval, undef, 0);
@@ -2064,16 +2086,24 @@ sub start_table {
         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'.
+            if (!defined $cell_border) {
+                $table->cell_border(1); # Default for rules is all if rules not defined.
             }
         }
-        # 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 $cell_border)) {
+            if ($cell_border eq 'all') {
+                $table->cell_border(1);
+            } elsif ($cell_border eq 'rows') {
+                $table->cell_border(2);
+            } elsif ($cell_border eq 'cols') {
+                $table->cell_border(3);
+            } elsif($cell_border eq 'groups') {
+                $table->cell_border(4);
+            } else {
+                $table->cell_border(0);
+            }
+        }
         if (defined $theme) {
 	    $table->theme($theme);
 	}
@@ -2101,88 +2131,6 @@ sub start_table {
 	push(@Apache::londefdef::table, $table);
         $currentstring.=' \keephidden{NEW TABLE ENTRY}';
 
-	#--------------------------------------------------------
-	#  Old table code here.
-	#--------------------------------------------------------
-
-
-	if (0) {
-	push(@Apache::londefdef::table, {}); 
-	$Apache::londefdef::table[-1]{'row_number'} = -1;
-        #maximum table's width (default coincides with text line length)
-	if ($#Apache::londefdef::table==0) {
-	    $textwidth=&recalc($env{'form.textwidth'}); #result is always in mm
-	    $textwidth=~/(\d+\.?\d*)/;
-	    $textwidth=0.85*$1; #accounts "internal" LaTeX space for table frame
-	} else {
-	    if ($Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]=~/\d/) {
-		#the maximum width of nested table is determined by LATeX width of parent cell
-		$textwidth=$Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]; 
-	    } else {
-              #try to use all space not used before (minus 5% for LaTeX table internal) - rather silly
-		$textwidth=$Apache::londefdef::table[-2]{'width'};
-		for (my $i=0;$i<$Apache::londefdef::table[-2]{'counter_columns'};$i++) {
-		    $textwidth=$textwidth-$Apache::londefdef::table[-2]{'TeXlen'}[0][$i];
-		}
-	    }
-	}
-
-	# 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,$safeeval,undef,0);
-	if (!defined($TeXwidth)) {
-	    my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,
-						       $safeeval,undef,1);
-	    if ($htmlwidth =~ /%/) {
-		$TeXwidth = $htmlwidth;
-	    } else { 
-		$TeXwidth = $textwidth;
-	    }
-	}
-	# if the width is specified as a % it is converted to an absolute width.
-	# otherwise.. just plugged right in the hash
-
-	if ($TeXwidth=~/%/) {
-	    $TeXwidth=~/(\d+)/;
-            $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;
-	} else {
-	    $Apache::londefdef::table[-1]{'width'}=$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);
-	unless (defined $border) { $border = 0; }
-	if ($border) { 
-	    $Apache::londefdef::table[-1]{'hinc'} = '\hline '; 
-	    $Apache::londefdef::table[-1]{'vinc'} = '&'; 
-	    $Apache::londefdef::table[-1]{'vvinc'} = '|';
-	} else {
-	    $Apache::londefdef::table[-1]{'hinc'} = ''; 
-	    $Apache::londefdef::table[-1]{'vinc'} = '&'; 
-	    $Apache::londefdef::table[-1]{'vvinc'} = '';
-	}
-	if ($#Apache::londefdef::table==0) {
-	    #    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'}=[];
-        $Apache::londefdef::table[-1]{'objectlen'}=[];
-        $Apache::londefdef::table[-1]{'objectsignal'}=[];
-        $Apache::londefdef::table[-1]{'maxlen'}=[];
-        $Apache::londefdef::table[-1]{'minlen'}=[];
-        $Apache::londefdef::table[-1]{'content'}=[];
-        $Apache::londefdef::table[-1]{'align'}=[];
-        $currentstring.=' \keephidden{NEW TABLE ENTRY}';
-    }
-
     }
     return $currentstring;
 }
@@ -2195,8 +2143,6 @@ sub end_table {
     } elsif ($target eq 'tex') {
 
 
-	#  New table code:
-
 	my $table = pop(@Apache::londefdef::table);
 	my $t     = $table->generate();
 	$currentstring = $t->generate_string();
@@ -3391,10 +3337,7 @@ sub start_applet {
     my $currentstring = '';
     if ($target eq 'web' || $target eq 'webgrade') {
 	if ($env{'browser.appletsuppress'} ne 'on') {
-	    $currentstring = &Apache::lonenc::encrypt_ref($token,
-							  {'code'=>$code,
-							   'archive'=>$archive}
-							  );
+            $currentstring = $token->[4];
 	} else {
 	    my $alttag= &Apache::lonxml::get_param('alt',$parstack,
 						   $safeeval,undef,1);
@@ -3912,11 +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;
 }
 
@@ -4402,6 +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;
 }
@@ -4411,6 +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;
 }
@@ -4421,6 +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;
 }
@@ -4430,6 +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;
 }
@@ -4440,6 +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;
 }
@@ -4449,6 +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;
 }