--- rat/lonpage.pm	2004/09/14 01:21:49	1.60
+++ rat/lonpage.pm	2005/02/17 09:09:57	1.67
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Page Handler
 #
-# $Id: lonpage.pm,v 1.60 2004/09/14 01:21:49 raeburn Exp $
+# $Id: lonpage.pm,v 1.67 2005/02/17 09:09:57 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -25,17 +25,6 @@
 #
 # http://www.lon-capa.org/
 #
-# (TeX Content Handler
-#
-# YEAR=2000
-# 05/29/00,05/30 Gerd Kortemeyer)
-# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
-# 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16,
-# YEAR=2001
-# 08/13/01,08/30,10/1 Gerd Kortemeyer
-# YEAR=2002
-# 03/19 Gerd Kortemeyer
-#
 ###
 
 package Apache::lonpage;
@@ -232,13 +221,21 @@ sub handler {
                       $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1));
                       foreach (@colcont) {
                           my $src=$hash{'src_'.$_};
-                          $src=~/\.(\w+)$/;
+			  my ($extension)=($src=~/\.(\w+)$/);
+			  if ($hash{'encrypted_'.$_}) {
+			      $src=&Apache::lonenc::encrypted($src);
+			  }
                           $metalink{$_}=$src.'.meta';
-                          $cellemb{$_}=Apache::loncommon::fileembstyle($1);
+                          $cellemb{$_}=
+			      &Apache::loncommon::fileembstyle($extension);
                           if ($cellemb{$_} eq 'ssi') {
 # --------------------------------------------------------- This is an SSI cell
+			      my ($mapid,$resid)=split(/\./,$_);
+			      my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src);
+			      
 			      my $prefix=$_.'_';
-                              my %posthash=('request.prefix' => $prefix);
+                              my %posthash=('request.prefix' => $prefix,
+					    'symb' => $symb);
 			      if ($ENV{'form.grade_target'} eq 'tex') {
 				  $posthash{'grade_target'}=$ENV{'form.grade_target'};
 				  $posthash{'textwidth'}=$ENV{'form.textwidth'};
@@ -257,8 +254,7 @@ sub handler {
                                }
 			      }
                               my $output=Apache::lonnet::ssi($src,%posthash);
-			      $output=~
-	    s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs;
+			      $output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+// END LON-CAPA Internal\s*(-->)?\s||gs;
                               if ($target eq 'tex') {
 				  $output =~ s/^([^&]+)\\begin{document}//;
 				  $output =~ s/\\end{document}//;
@@ -397,7 +393,8 @@ sub handler {
 # ------------------------------------------------------------------ Start form
 			  if ($nforms) {
 			      $r->print('<form method="post" action="'.
-					$requrl.'">');
+					&Apache::lonenc::check_encrypt($requrl)
+					.'">');
 			  }
 		      } elsif ($target eq 'tex') {
 			  $r->print('\documentclass{article}
@@ -413,7 +410,7 @@ sub handler {
 			  $r->print('\begin{longtable}INSERTTHEHEADOFLONGTABLE\endfirsthead\endhead ');
 			  if ($number_of_columns le $lcm) {$number_of_columns=$lcm;};
 		      } else {
-			  $r->print('<table cols="'.$lcm.'" border="0">');
+			  $r->print('<table width="100%" cols="'.$lcm.'" border="0">');
 		      }
                       for ($i=0;$i<=$#rows;$i++) {
 			if ($rows[$i]) {
@@ -425,16 +422,21 @@ sub handler {
                           for ($j=0;$j<=$#colcont;$j++) {
                               my $rid=$colcont[$j];
                               my $metainfo = '';
-                              print STDERR "src is $hash{'src_'.$rid}\n";
+			      my $esrc=&Apache::lonnet::declutter($hash{'src_'.$rid});
+			      my ($mapid,$resid)=split(/\./,$rid);
+			      my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$hash{'src_'.$rid});
+			      if ($hash{'encrypted_'.$rid}) {
+				  $symb=&Apache::lonenc::encrypted($symb);
+				  $esrc=&Apache::lonenc::encrypted($esrc);
+			      }
                               unless ($hash{'src_'.$rid} =~ m-^/uploaded/-) { 
-                                  $metainfo ='<a name="'.
-	&Apache::lonnet::escape(&Apache::lonnet::declutter($hash{'src_'.$rid})).'" />'.
+                                  $metainfo ='<a name="'.&Apache::lonnet::escape($symb).'" />'.
                                   '<a href="'.$metalink{$rid}.'" target="LONcatInfo">'.
                                   '<img src="/adm/lonMisc/cat_button.gif" border=0>'.
                                   '</img></a>';
                               }
                               $metainfo .= '<a href="/adm/evaluate?postdata='.
-	&Apache::lonnet::escape(&Apache::lonnet::declutter($hash{'src_'.$rid})).
+				  &Apache::lonnet::escape($esrc).
                                   '" target="LONcatInfo">'.
                                   '<img src="/adm/lonMisc/eval_button.gif" border=0>'.
                                   '</img></a>';
@@ -545,11 +547,12 @@ sub handler {
 		      } else {
 			  $r->print('\end{document}'.$number_of_columns);
 		      }
+		      &Apache::lonnet::symblist($requrl,%symbhash);
 # -------------------------------------------------------------------- End page
                   }                  
 # ------------------------------------------------------------- End render page
               } else {
-                  $r->content_type('text/html');
+                  &Apache::loncommon::content_type($r,'text/html');
                   $r->send_http_header;
                   &Apache::lonsequence::viewmap($r,$requrl);
               }
@@ -564,7 +567,7 @@ sub handler {
           }
       } 
   }
-  $r->content_type('text/html');
+  &Apache::loncommon::content_type($r,'text/html');
   $r->send_http_header;
   &Apache::lonsequence::viewmap($r,$requrl);
   return OK;