--- trunk/lib/Frey/jQuery/flot.pm	2008/12/17 17:59:59	871
+++ trunk/lib/Frey/jQuery/flot.pm	2008/12/17 18:15:17	873
@@ -58,7 +58,12 @@
 		$dataset->{ $name }->{data} = $by_col->{$nr};
 	}
 
-	my $data_js = 'var datasets = ' . to_json( $dataset ) . ";\n";
+	my $placeholder = qq|<div class="frey-error">no data found</div>|;
+	my $data_js = '';
+	if ( $dataset ) {
+		$data_js = 'var datasets = ' . to_json( $dataset ) . ";\n";
+		$placeholder = qq|<div id="placeholder" style="width:600px;height:300px;"></div>|;
+	}
 
 	warn "# $data_js" if $self->debug;
 
@@ -73,6 +78,8 @@
 
 	my $flags = `atsar help 2>&1`;
 	$flags =~ s{^.+flags:\s+}{}s;
+	$flags =~ s{^\s*-[AS].+$}{}gm; # remove -A and -S flags which doesn't make sense
+	$flags =~ s{^\s+}{}s;
 
 	foreach my $line ( split(/\s*\n\s*/, $flags ) ) {
 		my ( $flag, $desc ) = split(/\s+/, $line, 2 );
@@ -91,12 +98,15 @@
 		#choices, form { float: left; }
 	|);
 
+	return
 	qq|
-    	<div id="placeholder" style="width:600px;height:300px;"></div>
+
+		$placeholder
 
 		<br><tt>$sar</tt>
 
 		$form
+
 		<div id="choices"><b>Show</b></div>
 
 	| . q|