--- rat/lonratedt.pm	2005/06/08 15:44:51	1.67
+++ rat/lonratedt.pm	2005/06/08 18:49:38	1.71
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Edit Handler for RAT Maps
 #
-# $Id: lonratedt.pm,v 1.67 2005/06/08 15:44:51 www Exp $
+# $Id: lonratedt.pm,v 1.71 2005/06/08 18:49:38 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -33,7 +33,7 @@ package Apache::lonratedt;
 
 =head1 NAME
 
-Apache::lonratedt: advanced resource assembly tool
+Apache::lonratedt: simple resource assembly tool
 
 =head1 SYNOPSIS
 
@@ -173,7 +173,7 @@ use Apache::loncommon;
 use Apache::lonlocal;
 use File::Copy;
 
-use vars qw(@order @resources @resparms @zombies %revzombies);
+use vars qw(@order @resources @resparms @zombies);
 
 
 # Mapread read maps into global arrays @links and @resources, determines status
@@ -189,13 +189,11 @@ sub mapread {
     undef @order;
     undef @resparms;
     undef @zombies;
-    undef %revzombies;
 
     @resources=('');
     @order=();
     @resparms=();
     @zombies=();
-    %revzombies=();
 
     my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
     if ($errtext) { return ($errtext,2); }
@@ -205,11 +203,11 @@ sub mapread {
 	my ($command,$number,$content)=split(/\<\:\>/,$_);
         if ($command eq 'objcont') {
 	    my ($title,$src,$ext,$type)=split(/\:/,$content);
+	    if ($ext eq 'cond') { next; }
 	    if ($type ne 'zombie') {
 		$resources[$number]=$content;
 	    } else {
 		$zombies[$number]=$content;
-		$revzombies{$src}=$number;
 	    }
         }
         if ($command eq 'objlinks') {
@@ -448,6 +446,30 @@ sub buttons {
     return $output.'</form><hr>';
 }
 
+# ------------------------------------- Revive zombie idx or get unused number
+
+sub getresidx {
+    my $url=shift;
+    my $max=1+($#resources>$#zombies?$#resources:$#zombies);
+    unless ($url) { return $max; }
+    for (my $i=0; $i<=$#zombies; $i++) {
+	my ($title,$src,$ext,$type)=split(/\:/,$zombies[$i]);
+	if ($src eq $url) {
+	    undef $zombies[$i];
+	    return $i;
+	}
+    }
+    return $max;
+}
+
+# --------------------------------------------------------------- Make a zombie
+
+sub makezombie {
+    my $idx=shift;
+    my ($name,$url,$ext)=split(/\:/,$resources[$idx]);
+    $zombies[$idx]=$name.':'.$url.':'.$ext.':zombie';
+}
+
 # ----------------------------------------------------------- Paste into target
 # modifies @order, @resources
 
@@ -460,7 +482,7 @@ sub pastetarget {
             $name=&Apache::lonnet::unescape($name);
             $url=&Apache::lonnet::unescape($url);
             if ($url) {
-	       my $idx=$#resources+1;
+	       my $idx=&getresidx($url);
                $insertorder[$#insertorder+1]=$idx;
                my $ext='false';
                if ($url=~/^http\:\/\//) { $ext='true'; }
@@ -506,7 +528,7 @@ sub startfinish {
    $resources[$order[0]]=$name.':'.$url.':'.$ext.':start:res';
 # Make sure this has at least start and finish
    if ($#order==0) {
-       $resources[$#resources+1]='::false';
+       $resources[&getresidx()]='::false';
        $order[1]=$#resources;
    }
 # Make the last one a finish resource
@@ -550,6 +572,11 @@ sub storemap {
             }
         }
     }
+    for (my $i=0; $i<=$#zombies; $i++) {
+        if (defined($zombies[$i])) {
+	    $output.='<&>objcont<:>'.$i.'<:>'.$zombies[$i];
+        }
+    }
     $output=~s/http\&colon\;\/\///g;
     $env{'form.output'}=$output;
     return 
@@ -894,7 +921,11 @@ sub smpedt {
                foreach (@targetselect) {
 		   if ($_-1==$i) { $include=0; }
                }
-               if ($include) { $neworder[$#neworder+1]=$order[$i]; }
+               if ($include) { 
+		   $neworder[$#neworder+1]=$order[$i]; 
+	       } else {
+		   &makezombie($order[$i]);
+	       }
            }
            @order=@neworder;
            &storemap(&Apache::lonnet::filelocation('',$url));      
@@ -1178,11 +1209,7 @@ sub viewmap {
                       '" /></td><td>'.&Apache::lonratsrv::qtescape($title).
                       '</td><td>'.$filename.'</td><td>');
             if ($url) {
-                if (-e $resfilepath) {
-		    $r->print('<a href="'.$resurl.'">'.&mt('Resource space').'</a>');
-                } else {
-                    $r->print(&mt('unpublished'));
-                }
+		$r->print('<a href="'.$resurl.'">'.&mt('Resource space').'</a>');
             }
             $r->print('</td><td>');
             if ($url) {