--- rat/lonpage.pm	2000/09/16 17:42:01	1.6
+++ rat/lonpage.pm	2000/09/22 10:28:41	1.7
@@ -4,7 +4,7 @@
 # (TeX Content Handler
 #
 # 05/29/00,05/30 Gerd Kortemeyer)
-# 08/30,08/31,09/06,09/14,09/15,09/16 Gerd Kortemeyer
+# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21 Gerd Kortemeyer
 
 package Apache::lonpage;
 
@@ -104,7 +104,7 @@ sub handler {
   if ($ENV{'request.course.fn'}) {
       my $fn=$ENV{'request.course.fn'};
       if (-e "$fn.db") {
-          if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_WRCREAT,0640)) {
+          if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) {
 # ------------------------------------------------------------------- Hash tied
               my $firstres=$hash{'map_start_'.$requrl};
               my $lastres=$hash{'map_finish_'.$requrl};
@@ -126,6 +126,7 @@ sub handler {
                   my $j;
                   my $lcm=1;
                   my $contents=0;
+                  my $nforms=0;
                   
                   my %ssibody=();
                   my %ssibgcolor=();
@@ -135,6 +136,13 @@ sub handler {
                   my %ssialink=();
                   my %cellemb=();
 
+                  my $allscript='';
+                  my $allmeta='';
+
+                  my $isxml=0;
+                  my $xmlheader='';
+                  my $xmlbody='';
+
 # --------------------------------------------- Get SSI output, post parameters
 
                   for ($i=0;$i<=$#rows;$i++) {
@@ -150,33 +158,58 @@ sub handler {
 # --------------------------------------------------------- This is an SSI cell
 			      my $prefix=$_.'_';
                               my %posthash=('request.prefix' => $prefix);
-                              map {
+                              if (($ENV{'$form.'.$prefix.'submit'}) 
+                               || ($ENV{'form.all_submit'})) {
+                               map {
 				  if ($_=~/^form.$prefix/) {
 				      my $name=$_;
                                       $name=~s/^form.$prefix//;
                                       $posthash{$name}=$ENV{$_};
                                   }
-                              } keys %ENV;
+                               } keys %ENV;
+			      }
                               my $output=Apache::lonnet::ssi($src,%posthash);
                               my $parser=HTML::TokeParser->new(\$output);
                               my $token;
                               my $bodydef=0;
+                              my $thisxml=0;
+                              if ($output=~/\?xml/) {
+                                 $isxml=1;
+                                 $thisxml=1;
+                                 $output=~
+         /((?:\<(?:\?xml|\!DOC|html)[^\>]*(?:\>|\>\]\>)\s*)+)\<body[^\>]*\>/si;
+                                 $xmlheader=$1;
+			      }
                               while (($bodydef==0) &&
                                      ($token=$parser->get_token)) {
 				  if ($token->[1] eq 'body') {
-                                     $bodydef=1
+				      $bodydef=1;
+                                      $ssibgcolor{$_}=$token->[2]->{'bgcolor'};
+                                      $ssitext{$_}=$token->[2]->{'text'};
+                                      $ssilink{$_}=$token->[2]->{'link'};
+                                      $ssivlink{$_}=$token->[2]->{'vlink'};
+                                      $ssialink{$_}=$token->[2]->{'alink'};
+                                      if ($thisxml) {
+					  $xmlbody=$token->[4];
+                                      }
                                   }
                                   if ($token->[1] eq 'meta') {
+				      $allmeta.="\n".$token->[4].'</meta>';
                                   }
                                   if ($token->[1] eq 'script') {
-                                  }
-                                  if ($token->[1] eq 'basefont') {
+				      $allscript.="\n\n"
+                                                .$parser->get_text('/script');
                                   }
                               }
                               if ($output=~/\<body[^\>]*\>(.*)/si) {
                                  $output=$1; 
                               }
                               $output=~s/\<\/body\>.*//si;
+                              if ($output=~/\<form/si) {
+				  $nforms++;
+                                  $output=~s/\<form[^\>]*\>//gsi;
+                                  $output=~s/\<\/form[^\>]*\>//gsi;
+                              }
 			      $ssibody{$_}=$output;
 
 # ---------------------------------------------------------------- End SSI cell
@@ -190,11 +223,37 @@ sub handler {
                       $r->print('<html><body>Empty page.</body></html>');
                   } else {
 # ------------------------------------------------------------------ Build page
-                      $r->content_type('text/html');
-                      $r->send_http_header;
-                      $r->print('<html><body>');
- 
-                      $r->print('<table cols="'.$lcm.'" border="1">');
+
+# ---------------------------------------------------------------- Send headers
+                      if ($isxml) {
+			  $r->content_type('text/xml');
+                          $r->send_http_header;
+                          $r->print($xmlheader);
+		      } else {
+                          $r->content_type('text/html');
+                          $r->send_http_header;
+                          $r->print('<html>');
+		      }
+# ------------------------------------------------------------------------ Head
+                      $r->print("\n<head>\n".$allmeta);
+                      if ($allscript) {
+			  $r->print("\n<script>\n".$allscript."\n</script>\n");
+                      }
+                      $r->print("\n</head>\n");
+# ------------------------------------------------------------------ Start body
+                      if ($isxml) {
+                          $r->print($xmlbody);
+                      } else {
+			  $r->print('<body bgcolor="#FFFFFF">');
+                      }
+
+# ------------------------------------------------------------------ Start form
+                      if ($nforms) {
+			  $r->print('<form method="post" action="'.
+				    $requrl.'">');
+                      }
+# ----------------------------------------------------------------- Start table
+                      $r->print('<table cols="'.$lcm.'" border="0">');
                       for ($i=0;$i<=$#rows;$i++) {
 			if ($rows[$i]) {
                           $r->print("\n<tr>");
@@ -204,10 +263,28 @@ sub handler {
                               my $rid=$colcont[$j];
                               $r->print('<td colspan="'.$avespan.'"');
                               if ($cellemb{$rid} eq 'ssi') {
-                                 $r->print('>'.$ssibody{$rid});
+				  if ($ssibgcolor{$rid}) {
+                                     $r->print(' bgcolor="'.
+                                               $ssibgcolor{$rid}.'"');
+                                  }
+                                  $r->print('><font');
+                                  if ($ssitext{$rid}) {
+				     $r->print(' text="'.$ssitext{$rid}.'"');
+                                  }
+                                  if ($ssilink{$rid}) {
+				     $r->print(' link="'.$ssilink{$rid}.'"');
+                                  }
+                                  if ($ssitext{$rid}) {
+				     $r->print(' vlink="'.$ssivlink{$rid}.'"');
+                                  }
+                                  if ($ssialink{$rid}) {
+				     $r->print(' alink="'.$ssialink{$rid}.'"');
+                                  }
+                            
+                                  $r->print('>'.$ssibody{$rid}.'</font>');
                               } elsif ($cellemb{$rid} eq 'img') {
-                                 $r->print('><img src="'.
-                                    $hash{'src_'.$rid}.'">');
+                                  $r->print('><img src="'.
+                                    $hash{'src_'.$rid}.'"></img>');
 			      }
                               $r->print('</td>');
                           }
@@ -215,7 +292,12 @@ sub handler {
 		        }
                       }
                       $r->print("\n</table>");
-
+# ---------------------------------------------------------------- Submit, etc.
+                      if ($nforms) {
+                          $r->print(
+	                  '<input name="all_submit" value="Submit All" type="'.
+			  (($nforms>1)?'submit':'hidden').'"></input></form>');
+                      }
                       $r->print('</body></html>');
 # -------------------------------------------------------------------- End page
                   }