--- a/Lib/IMPL/Resources/StringMap.pm	Mon Jan 13 17:52:04 2014 +0400
+++ b/Lib/IMPL/Resources/StringMap.pm	Tue Jan 14 20:06:36 2014 +0400
@@ -21,7 +21,7 @@
 		unless ref($data) eq 'HASH';
 		
 	die ArgException->new( data => 'A hash must contain either scalars or subs')
-		if grep not($_) || (ref($_) and ref($_) ne 'CODE'), values %$data;
+		if ref($_) && ref($_) ne 'CODE', values %$data;
 	
 	$this->_data($data);
 	$this->_parent($parent);
@@ -33,11 +33,23 @@
 	if(my $format = $this->_data->{$id}) {
 		return $this->FormatString($format,$args);
 	} else {
-		return $this->_parent? $this->_parent->GetString($id,$args) : "[$id]";
+		return $this->_parent? $this->_parent->GetString($id,$args) : "[ $id ]";
 	}
 	
 }
 
+sub AddFormat {
+	my ($this,$id,$format) = @_;
+	
+	die ArgException->new( id => 'A format id is required' )
+		unless $id;
+
+	die ArgException->new( format => 'A format must be a scalar or a sub' )
+		if ref($format) and ref($format) ne 'CODE';
+		
+	$this->_data->{$id} = $format;
+}
+
 sub FormatString {
 	my ($self,$text,$args) = @_;
     
@@ -95,13 +107,13 @@
 
 =head1 SYNOPSIS
 
-My/App/locale/default/Search.labels
-
-My/App/locale/en/Search.map
-
 =begin code
 
-{
+use IMPL::require {
+	StringMap => 'IMPL::Resources::StringMap'
+};
+
+my $data = {
 	TitleLabel => 'Search results',
 	ViewLabel => 'View %name%', # same as sub { $_[0]->Format('View %name%',$_[1]) } 
 	ResultsCountLabel => sub {
@@ -114,15 +126,25 @@
 		} elsif($args->{count} == 1) {
 			return "Found one item";
 		} else {
-			return $self->Format("Found %count% items", $args);
+			return $self->Format('Found %count% items', $args);
 		}
 	}
 }
 
+my $def = StringMap->new({
+	ResultsCountLabel => 'Found %count% items'
+});
+
+my $map = StringMap->new($data, $def);
+
+print $map->GetString('TitleLabel');
+print $map->GetString(ResultsCountLabel => { count => 0 }); # will print "No items found"
+
+
 =end code
 
 =head1 DESCRIPTION
 
-=head
+=head1 MEMBERS
 
 =cut
\ No newline at end of file