1 files changed, 29 insertions, 0 deletions
diff --git a/lib/Reaction/UI/ViewPort/DisplayField/Collection.pm b/lib/Reaction/UI/ViewPort/DisplayField/Collection.pm
new file mode 100644
index 0000000..0c06d4b
--- /dev/null
+++ b/lib/Reaction/UI/ViewPort/DisplayField/Collection.pm
@@ -0,0 +1,29 @@
+package Reaction::UI::ViewPort::DisplayField::Collection;
+
+use Reaction::Class;
+use Scalar::Util 'blessed';
+
+class Collection is 'Reaction::UI::ViewPort::DisplayField', which {
+  has '+value' => (isa => 'ArrayRef');
+  has '+layout' => (default => 'displayfield/list');
+
+  has value_names => (isa => 'ArrayRef', is => 'ro', lazy_build => 1);
+
+  has value_map_method => (
+    isa => 'Str', is => 'ro', required => 1, default => sub { 'display_name' },
+  );
+
+  override build_value => sub {
+    return [super()->all];
+  };
+
+  implements build_value_names => as {
+    my $self = shift;
+    my @all = @{$self->value||[]};
+    my $meth = $self->value_map_method;
+    my @names = map { blessed $_ ? $_->$meth : $_ } @all;
+    return [ sort @names ];
+  };
+};
+
+1;