new renamed viewports

1 files changed, 105 insertions, 0 deletions

diff --git a/lib/Reaction/UI/ViewPort/Field/Mutable/ChooseMany.pm b/lib/Reaction/UI/ViewPort/Field/Mutable/ChooseMany.pm
new file mode 100644
index 0000000..f60d433
--- /dev/null
+++ b/lib/Reaction/UI/ViewPort/Field/Mutable/ChooseMany.pm
@@ -0,0 +1,105 @@
+package Reaction::UI::ViewPort::Field::Mutable::ChooseMany;
+
+use Reaction::Class;
+
+my $listify = sub{
+  return [] unless defined $_[0];
+  return ref $_[0] eq 'ARRAY' ? $_[0] : [$_[0]];
+};
+
+class ChooseMany is 'Reaction::UI::ViewPort::Field', which {
+
+  has '+value' => (isa => 'ArrayRef');
+
+  does 'Reaction::UI::ViewPort::Field::Role::Mutable';
+  does 'Reaction::UI::ViewPort::Field::Role::Choices';
+
+  around value => sub {
+    my $orig = shift;
+    my $self = shift;
+    return $orig->($self) unless @_;
+    my $value = $listify->(shift);
+    $_ = $self->str_to_ident($_) for @$value;
+    my $checked = $self->attribute->check_valid_value($self->action, $value);
+    # i.e. fail if any of the values fail
+    confess "Not a valid set of values"
+      if (@$checked < @$value || grep { !defined($_) } @$checked);
+    $orig->($self, $checked);
+  };
+
+  #XXX go away!
+  override _build_value => sub {
+    return super() || [];
+  };
+
+  implements is_current_value => as {
+    my ($self, $check_value) = @_;
+    my @our_values = @{$self->value||[]};
+    $check_value = $self->obj_to_str($check_value) if ref($check_value);
+    return grep { $self->obj_to_str($_) eq $check_value } @our_values;
+  };
+
+  implements current_value_choices => as {
+    my $self = shift;
+    my @all = grep { $self->is_current_value($_->{value}) } @{$self->value_choices};
+    return [ @all ];
+  };
+
+  implements available_value_choices => as {
+    my $self = shift;
+    my @all = grep { !$self->is_current_value($_->{value}) } @{$self->value_choices};
+    return [ @all ];
+  };
+
+  around handle_events => sub {
+    my $orig = shift;
+    my ($self, $events) = @_;
+    my $ev_value = $listify->($events->{value});
+    if (delete $events->{add_all_values}) {
+      $events->{value} = [map {$self->obj_to_str($_)} @{$self->valid_values}];
+    } elsif (exists $events->{add_values} && delete $events->{do_add_values}) {
+      my $add = $listify->(delete $events->{add_values});
+      $events->{value} = [ @{$ev_value}, @$add ];
+    } elsif (delete $events->{remove_all_values}) {
+      $events->{value} = [];
+    }elsif (exists $events->{remove_values} && delete $events->{do_remove_values}) {
+      my $remove = $listify->(delete $events->{remove_values});
+      my %r = map { ($_ => 1) } @$remove;
+      $events->{value} = [ grep { !$r{$_} } @{$ev_value} ];
+    }
+    return $orig->(@_);
+  };
+
+};
+
+1;
+
+=head1 NAME
+
+Reaction::UI::ViewPort::Field::ChooseMany
+
+=head1 DESCRIPTION
+
+=head1 METHODS
+
+=head2 is_current_value
+
+=head2 current_values
+
+=head2 available_values
+
+=head2 available_value_names
+
+=head1 SEE ALSO
+
+=head2 L<Reaction::UI::ViewPort::Field>
+
+=head1 AUTHORS
+
+See L<Reaction::Class> for authors.
+
+=head1 LICENSE
+
+See L<Reaction::Class> for the license.
+
+=cut