--- rat/lonratsrv.pm	2001/07/03 22:37:37	1.13
+++ rat/lonratsrv.pm	2002/06/24 14:05:51	1.18
@@ -1,6 +1,30 @@
 # The LearningOnline Network with CAPA
 # Server for RAT Maps
 #
+# $Id: lonratsrv.pm,v 1.18 2002/06/24 14:05:51 www Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
 # (Edit Handler for RAT Maps
 # (TeX Content Handler
 #
@@ -8,7 +32,7 @@
 # 7/1 Gerd Kortemeyer)
 # 7/1,7/3,7/4,7/7,7/8,7/10,7/26,10/2 Gerd Kortemeyer
 # 4/30/2001 Scott Harrison
-# 5/3,06/25,07/03 Gerd Kortemeyer
+# 5/3,06/25,07/03,07/04,07/05 Gerd Kortemeyer
 
 package Apache::lonratsrv;
 
@@ -33,7 +57,7 @@ sub qtescape {
 
 sub qtunescape {
     my $str=shift;
-    $str=~s/\:/\&\#58\;/g;
+    $str=~s/\:/\&colon\;/g;
     $str=~s/\'/\&\#39\;/g;
     $str=~s/\,/\&\#44\;/g;
     $str=~s/\"/\&\#34\;/g;
@@ -84,7 +108,7 @@ sub loadmap {
                     $outstr.='<:>';
                     $outstr.=qtunescape($token->[2]->{'title'}).":";
                     $outstr.=qtunescape($token->[2]->{'src'}).":";
-                    if ($token->[2]->{'src'}=~/\/\//) {
+                    if ($token->[2]->{'external'} eq 'true') {
                         $outstr.='true:';
                     } else {
                         $outstr.='false:';
@@ -201,6 +225,7 @@ sub savemap {
 		       if ($comp[1]!~/^http\:\/\//) {
 			   $comp[1]='http://'.$comp[1];
                        }
+                       $comp[1].='" external="true';
                    } else {
 		       if ($comp[1]=~/^http\:\/\//) {
 			   $comp[1]=~s/^http\:\/\/[^\/]*\//\//;
@@ -237,17 +262,19 @@ sub savemap {
            } elsif ($parts[0] eq 'objparms') {
                undef %alltypes;
                undef %allvalues;
-               map {
+               foreach (split(/:/,$parts[$#parts])) {
                    my ($type,$name,$value)=split(/\_\_\_/,$_);
                    $alltypes{$name}=$type;
                    $allvalues{$name}=$value;
-               } split(/:/,$parts[$#parts]);
-               map {
+               }
+               foreach (keys %allvalues) {
+                  if ($allvalues{$_} ne '') {
                    $outstr.='<param to="'.$parts[1].'" type="'
                           .$alltypes{$_}.'" name="'.$_
                           .'" value="'.$allvalues{$_}.'">'
                           ."</param>\n";
-               } keys %allvalues;
+	          }
+               }
            } elsif (($parts[0] ne '') && ($graphdef)) {
 # ------------------------------------------------------------- Graphical input
                $outstr.='<'.$parts[0];
@@ -265,7 +292,7 @@ sub savemap {
              print $fh $outstr;
              $errtext.="Map saved as $fn. ";
 	  } else {
-             $errtext.='Could not write file $fn. Map not saved. ';
+             $errtext.='Could not write file '.$fn.'.  Map not saved. ';
 	  }
         }
     } else {