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package Reaction::UI::ViewPort::Object;
use Reaction::Class;
use aliased 'Reaction::UI::ViewPort::Field::Text';
use aliased 'Reaction::UI::ViewPort::Field::Number';
use aliased 'Reaction::UI::ViewPort::Field::Integer';
use aliased 'Reaction::UI::ViewPort::Field::Boolean';
use aliased 'Reaction::UI::ViewPort::Field::String';
use aliased 'Reaction::UI::ViewPort::Field::DateTime';
use aliased 'Reaction::UI::ViewPort::Field::RelatedObject';
use aliased 'Reaction::UI::ViewPort::Field::Array';
use aliased 'Reaction::UI::ViewPort::Field::Collection';
use aliased 'Reaction::InterfaceModel::Object' => 'IM_Object';
class Object is 'Reaction::UI::ViewPort', which {
#everything is read only right now. Later I can make somethings read-write
#but first I need to figure out what depends on what so we can have decent triggers
has model => (is => 'ro', isa => IM_Object, required => 1);
has fields => (is => 'ro', isa => 'ArrayRef', lazy_build => 1);
has field_args => (is => 'ro');
has field_order => (is => 'ro', isa => 'ArrayRef');
has builder_cache => (is => 'ro', isa => 'HashRef', lazy_build => 1);
has ordered_fields => (is => 'ro', isa => 'ArrayRef', lazy_build => 1);
has excluded_fields => (is => 'ro', isa => 'ArrayRef', lazy_build => 1);
implements BUILD => as {
my ($self, $args) = @_;
my $field_args = delete $args->{Field};
$self->field_args( $field_args ) if ref $field_args;
};
implements _build_excluded_fields => as { [] };
implements _build_builder_cache => as { {} };
implements _build_fields => as {
my ($self) = @_;
my $obj = $self->model;
my $args = $self->has_field_args ? $self->field_args : {};
my @fields;
for my $field_name (@{ $self->ordered_fields }) {
my $attr = $obj->meta->find_attribute_by_name($field_name);
my $meth = $self->builder_cache->{$field_name} ||= $self->get_builder_for($attr);
my $field = $self->$meth($attr, ($args->{$field_name} || {}));
push(@fields, $field) if $field;
}
return \@fields;
};
implements _build_ordered_fields => as {
my ($self) = @_;
my %excluded = map { $_ => undef } @{ $self->excluded_fields };
#treat _$field_name as private and exclude fields with no reader
my @names = grep { $_ !~ /^_/ && !exists($excluded{$_})} map { $_->name }
grep { defined $_->get_read_method } $self->model->meta->parameter_attributes;
return $self->sort_by_spec($self->field_order || [], \@names);
};
override child_event_sinks => sub {
return ( @{shift->fields}, super());
};
#candidate for shared role!
implements get_builder_for => as {
my ($self, $attr) = @_;
my $attr_name = $attr->name;
my $builder = "_build_fields_for_name_${attr_name}";
return $builder if $self->can($builder);
if ($attr->has_type_constraint) {
my $constraint = $attr->type_constraint;
my $base_name = $constraint->name;
my $tried_isa = 0;
CONSTRAINT: while (defined($constraint)) {
my $name = $constraint->name;
$name = $attr->_isa_metadata if($name eq '__ANON__');
if (eval { $name->can('meta') } && !$tried_isa++) {
foreach my $class ($name->meta->class_precedence_list) {
my $mangled_name = $class;
$mangled_name =~ s/:+/_/g;
my $builder = "_build_fields_for_type_${mangled_name}";
return $builder if $self->can($builder);
}
}
if (defined($name)) {
unless (defined($base_name)) {
$base_name = "(anon subtype of ${name})";
}
my $mangled_name = $name;
$mangled_name =~ s/:+/_/g;
my $builder = "_build_fields_for_type_${mangled_name}";
return $builder if $self->can($builder);
}
$constraint = $constraint->parent;
}
if (!defined($constraint)) {
confess "Can't build field ${attr_name} of type ${base_name} without $builder method or _build_fields_for_type_<type> method for type or any supertype";
}
} else {
confess "Can't build field ${attr} without $builder method or type constraint";
}
};
implements _build_simple_field => as {
my ($self, %args) = @_;
my $class = delete $args{class};
confess("Can not build simple field without a viewport class")
unless $class;
confess("Can not build simple field without attribute")
unless defined $args{attribute};
my $field_name = $args{attribute}->name;
return $class->new(
ctx => $self->ctx,
model => $self->model,
location => join('-', $self->location, 'field', $field_name),
%args
);
};
implements _build_fields_for_type_Num => as {
my ($self, $attr, $args) = @_;
$self->_build_simple_field(attribute => $attr, class => Number, %$args);
};
implements _build_fields_for_type_Int => as {
my ($self, $attr, $args) = @_;
#XXX
$self->_build_simple_field(attribute => $attr, class => Integer, %$args);
};
implements _build_fields_for_type_Bool => as {
my ($self, $attr, $args) = @_;
$self->_build_simple_field(attribute => $attr, class => Boolean, %$args);
};
#XXX
implements _build_fields_for_type_Password => as { return };
implements _build_fields_for_type_Str => as {
my ($self, $attr, $args) = @_;
#XXX
$self->_build_simple_field(attribute => $attr, class => String, %$args);
};
implements _build_fields_for_type_SimpleStr => as {
my ($self, $attr, $args) = @_;
$self->_build_simple_field(attribute => $attr, class => String, %$args);
};
implements _build_fields_for_type_DateTime => as {
my ($self, $attr, $args) = @_;
$self->_build_simple_field(attribute => $attr, class => DateTime, %$args);
};
implements _build_fields_for_type_Enum => as {
my ($self, $attr, $args) = @_;
#XXX
$self->_build_simple_field(attribute => $attr, class => String, %$args);
};
implements _build_fields_for_type_ArrayRef => as {
my ($self, $attr, $args) = @_;
$self->_build_simple_field(attribute => $attr, class => Array, %$args);
};
implements _build_fields_for_type_Reaction_InterfaceModel_Object => as {
my ($self, $attr, $args) = @_;
#XXX
$self->_build_simple_field(attribute => $attr, class => RelatedObject, %$args);
};
implements _build_fields_for_type_Reaction_InterfaceModel_Collection => as {
my ($self, $attr, $args) = @_;
$self->_build_simple_field(attribute => $attr, class => Collection, %$args);
};
};
1;
|
