--- loncom/interface/loncommon.pm	2003/12/30 20:47:23	1.168
+++ loncom/interface/loncommon.pm	2004/01/02 19:23:47	1.169
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.168 2003/12/30 20:47:23 albertel Exp $
+# $Id: loncommon.pm,v 1.169 2004/01/02 19:23:47 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -726,11 +726,40 @@ sub get_domains {
     my @domains;
     my %seen;
     foreach (sort values(%Apache::lonnet::hostdom)) {
-        push (@domains,$_) unless $seen{$_}++;
+	push (@domains,$_) unless $seen{$_}++;
     }
     return @domains;
 }
 
+# ------------------------------------------
+
+sub domain_select {
+    my ($name,$value,$multiple)=@_;
+    my %domains=map { 
+	$_ => $_.' '.$Apache::lonnet::domaindescription{$_} 
+    } &get_domains;
+    if ($multiple) {
+	$domains{''}=&mt('Any domain');
+	return &multiple_select_form($name,$value,%domains);
+    } else {
+	return &select_form($name,$value,%domains);
+    }
+}
+
+sub multiple_select_form {
+    my ($name,$value,%hash)=@_;
+    my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
+    my $output='';
+    my $size =(scalar keys %hash<4?scalar keys %hash:4);
+    $output.="\n<select name='$name' size='$size' multiple='1'>";
+    foreach (sort keys %hash) {
+        $output.="<option name='$_'".
+            ($selected{$_}?' selected="1"' :'').">$hash{$_}</option>\n";
+    }
+    $output.="</select>\n";
+    return $output;
+}
+
 #-------------------------------------------
 
 =pod
@@ -1641,6 +1670,14 @@ sub fileembstyle {
     return $fe{lc(shift(@_))};
 }
 
+
+sub filecategoryselect {
+    my ($name,$value)=@_;
+    return &select_form($name,$value,
+			'' => &mt('Any category'),
+			map { $_,$_ } sort(keys(%category_extensions)));
+}
+
 =pod
 
 =item * filedescription()