--- rat/lonratsrv.pm	2002/06/27 16:43:57	1.19
+++ rat/lonratsrv.pm	2005/04/07 06:56:27	1.30
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Server for RAT Maps
 #
-# $Id: lonratsrv.pm,v 1.19 2002/06/27 16:43:57 albertel Exp $
+# $Id: lonratsrv.pm,v 1.30 2005/04/07 06:56:27 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -25,14 +25,6 @@
 #
 # http://www.lon-capa.org/
 #
-# (Edit Handler for RAT Maps
-# (TeX Content Handler
-#
-# 05/29/00,05/30 Gerd Kortemeyer)
-# 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
-# 5/3,06/25,07/03,07/04,07/05 Gerd Kortemeyer
 
 package Apache::lonratsrv;
 
@@ -40,7 +32,7 @@ use strict;
 use Apache::Constants qw(:common);
 use Apache::File;
 use HTML::TokeParser;
-
+use Apache::lonnet;
 
 # ------------------------------------------------------------- From RAT to XML
 
@@ -67,17 +59,25 @@ sub qtunescape {
 # --------------------------------------------------------- Loads map from disk
 
 sub loadmap {
-    my ($fn,$errtext)=@_;
+    my ($fn,$errtext,$infotext)=@_;
+    if ($errtext) { return('',$errtext); }
     my $outstr='';
-    my @content=();
     my @obj=();
     my @links=();
-    if (-e $fn) {
+    my $instr='';
+    if ($fn=~/^\/*uploaded\//) {
+        $instr=&Apache::lonnet::getfile($fn);
+    } elsif (-e $fn) {
+        my @content=();
         {
 	    my $fh=Apache::File->new($fn);
             @content=<$fh>;
         }
-        my $instr=join('',@content);
+        $instr=join('',@content);
+    }
+    if ($instr eq -2) {
+        $errtext.='Map not loaded: An error occured while trying to load the map.';
+    } elsif ($instr) {
         my $parser = HTML::TokeParser->new(\$instr);
         my $token;
         my $graphmode=0;
@@ -190,21 +190,22 @@ sub loadmap {
     } else {
         $errtext.='Map not loaded: The file does not exist. ';
     }
-    return($outstr,$errtext);
+    return($outstr,$errtext,$infotext);
 }
 
 
 # ----------------------------------------------------------- Saves map to disk
 
 sub savemap {
-    my ($fn,$errtext,$r)=@_;
+    my ($fn,$errtext)=@_;
+    my $infotext='';
     my %alltypes;
     my %allvalues;
-    if (($fn=~/\.sequence$/) ||
-        ($fn=~/\.page$/)) {
+    if (($fn=~/\.sequence(\.tmp)*$/) ||
+        ($fn=~/\.page(\.tmp)*$/)) {
 
 # ------------------------------------------------------------- Deal with input
-        my @tags=split(/<&>/,$ENV{'form.output'});
+        my @tags=split(/<&>/,$env{'form.output'});
         my $outstr='';
         my $graphdef=0;
         if ($tags[0] eq 'graphdef<:>yes') {
@@ -213,7 +214,7 @@ sub savemap {
         } else {
             $outstr="<map>\n";
         }
-        map {
+        foreach (@tags) {
 	   my @parts=split(/<:>/,$_);
            if ($parts[0] eq 'objcont') {
                my @comp=split(/:/,$parts[$#parts]);
@@ -262,17 +263,19 @@ sub savemap {
            } elsif ($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];
@@ -282,29 +285,37 @@ sub savemap {
                $outstr.=' value="'.qtescape($parts[$#parts]).'"></'.
                         $parts[0].">\n";
            }
-        } @tags;
+        }
         $outstr.="</map>\n";
-        {
+	if ($fn=~/^\/*uploaded\/(\w+)\/(\w+)\/(.*)$/) {
+	    $env{'form.output'}=$outstr;
+            my $home=&Apache::lonnet::homeserver($2,$1);
+            my $result=&Apache::lonnet::finishuserfileupload($2,$1,$home,
+						'output',$3);
+	    if ($result != m|^/uploaded/|) {
+		$errtext.='Map not saved: A network error occured when trying to save the map. ';
+	    }
+        } else {
           my $fh;
           if ($fh=Apache::File->new(">$fn")) {
              print $fh $outstr;
-             $errtext.="Map saved as $fn. ";
+             $infotext.="Map saved as $fn. ";
 	  } else {
              $errtext.='Could not write file '.$fn.'.  Map not saved. ';
 	  }
         }
     } else {
 # -------------------------------------------- Cannot write to that file, error
-        $errtext.='Map not saved: The specified '.$fn.' path does not exist. '.$r->uri();
+        $errtext.='Map not saved: The specified path does not exist. ';
     }
-    return $errtext;
+    return ($errtext,$infotext);
 }
 
 # ================================================================ Main Handler
 
 sub handler {
   my $r=shift;
-  $r->content_type('text/html');
+  &Apache::loncommon::content_type($r,'text/html');
   $r->send_http_header;
 
   return OK if $r->header_only;
@@ -324,12 +335,13 @@ sub handler {
       $fn=~s|/[^/]*/ratserver$||;
   }
   my $errtext='';
+  my $infotext='';
   my $outtext='';
 
   if ($mode ne 'loadonly') {
-     $errtext=&savemap($fn,$errtext,$r);
+     ($errtext,$infotext)=&savemap($fn,$errtext);
   }
-  ($outtext,$errtext)=&loadmap($fn,$errtext);
+  ($outtext,$errtext,$infotext)=&loadmap($fn,$errtext,$infotext);
 
   $r->print(<<ENDDOCUMENT);
 <html>
@@ -341,10 +353,10 @@ sub handler {
     parent.flag=1;
 </script>
 ENDDOCUMENT
-    if ($errtext ne '') {
+    if (($errtext ne '') || ($infotext ne '')) {
 	$r->print(<<ENDSCRIPT);
 <script>
-    alert("$errtext");
+    alert("$infotext $errtext");
 </script>
 ENDSCRIPT
     }