--- loncom/publisher/lonpublisher.pm	2008/03/18 23:31:31	1.232
+++ loncom/publisher/lonpublisher.pm	2008/05/19 18:43:16	1.236
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Publication Handler
 #
-# $Id: lonpublisher.pm,v 1.232 2008/03/18 23:31:31 raeburn Exp $
+# $Id: lonpublisher.pm,v 1.236 2008/05/19 18:43:16 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -143,6 +143,8 @@ my $cudom;
 my $registered_cleanup;
 my $modified_urls;
 
+my $lock;
+
 =pod
 
 =item B<metaeval>
@@ -663,6 +665,7 @@ sub fix_ids_and_indices {
                 "Max Index: $maxindex (min 10)\n";
     }
     my $outstring='';
+    my $responsecounter=1;
     my @parser;
     $parser[0]=HTML::LCParser->new(\$content);
     $parser[-1]->xml_mode(1);
@@ -678,6 +681,10 @@ sub fix_ids_and_indices {
 		    next;
 		}
 		if ($lctag eq 'base') { next; }
+                if (($lctag eq 'part') || ($lctag eq 'problem')) {
+                    $responsecounter=0;
+                }
+                if ($lctag=~/response$/) { $responsecounter++; }
 		my %parms=%{$token->[2]};
 		$counter=$addid{$tag};
 		if (!$counter) { $counter=$addid{$lctag}; }
@@ -773,7 +780,7 @@ sub fix_ids_and_indices {
 		}
 		if (!$endtag) { if ($token->[4]=~m:/>$:) { $endtag=' /'; }; }
 		$outstring.='<'.$tag.$newparmstring.$endtag.'>';
-		if ($lctag eq 'm' || $lctag eq 'script' 
+		if ($lctag eq 'm' || $lctag eq 'script' || $lctag eq 'answer' 
                     || $lctag eq 'display' || $lctag eq 'tex') {
 		    $outstring.=&get_all_text_unbalanced('/'.$lctag,\@parser);
 		}
@@ -782,7 +789,12 @@ sub fix_ids_and_indices {
 		    unless ($token->[1] eq 'allow') {
 			$outstring.='</'.$token->[1].'>';
 		    }
-		}
+                }
+                if ((($token->[1] eq 'part') || ($token->[1] eq 'problem'))
+                    && (!$responsecounter)) {
+                    my $outstring='<span class="LC_error">'.&mt('Found [_1] without responses',$token->[1]).'</span>';
+                    return ($outstring,1);
+                }
 	    } else {
 		$outstring.=$token->[1];
 	    }
@@ -1744,6 +1756,7 @@ sub notify {
 	print $logfile "\n============ Done ============\n";
 	$logfile->close();
     }
+    if ($lock) { &Apache::lonnet::remove_lock($lock); }
     return OK;
 }
 
@@ -1813,7 +1826,9 @@ sub publishdirectory {
                   &checkbox('obsolete','make file(s) obsolete').
 		  &checkbox('forceoverride','force directory level catalog information over existing').
 		  '<br /><input type="submit" value="'.&mt('Publish Directory').'" /></form>');
+        $lock=0;
     } else {
+        unless ($lock) { $lock=&Apache::lonnet::set_lock(&mt('Publishing [_1]',$fn)); }
 # actually publish things
 	opendir(DIR,$fn);
 	my @files=sort(readdir(DIR));