1 package Reaction::UI::ViewPort::Field;
4 use aliased 'Reaction::InterfaceModel::Object';
5 use aliased 'Reaction::Meta::InterfaceModel::Object::ParameterAttribute';
7 class Field is 'Reaction::UI::ViewPort', which {
9 has value => (is => 'rw', lazy_build => 1);
10 has name => (is => 'rw', isa => 'Str', lazy_build => 1);
11 has label => (is => 'rw', isa => 'Str', lazy_build => 1);
12 has value_string => (is => 'rw', isa => 'Str', lazy_build => 1);
14 has model => (is => 'ro', isa => Object, required => 1);
15 has attribute => (is => 'ro', isa => ParameterAttribute, required => 1);
17 implements adopt_value => as {};
19 implements _build_name => as { shift->attribute->name };
20 implements _build_value_string => as { shift->value };
22 implements _build_label => as {
23 join(' ', map { ucfirst } split('_', shift->name));
26 #unlazify and move it to build. to deal with array use typeconstraints and coercions
27 implements _build_value => as {
29 my $reader = $self->attribute->get_read_method;
30 my $predicate = $self->attribute->predicate;
31 #this is bound to blow the fuck if !model->$predicate what to do?
32 return $self->model->$reader if (!$predicate || $self->model->$predicate);
36 implements adopt_value => as {
38 $self->needs_sync(1) if $self->has_attribute;
41 implements value_string => as { shift->value };
43 implements sync_to_action => as {
45 return unless $self->needs_sync && $self->has_attribute && $self->has_value;
46 my $attr = $self->attribute;
47 if (my $tc = $attr->type_constraint) {
48 my $value = $self->value;
49 if ($tc->has_coercion) {
50 $value = $tc->coercion->coerce($value);
52 my $error = $tc->validate($self->value);
54 $self->message($error);
58 my $writer = $attr->get_write_method;
59 confess "No writer for attribute" unless defined($writer);
60 $self->action->$writer($self->value);
64 implements sync_from_action => as {
66 return unless !$self->needs_sync && $self->has_attribute;
67 $self->message($self->action->error_for($self->attribute)||'');
70 override accept_events => sub { ('value', super()) };