1 package Reaction::UI::ViewPort::Field::Mutable::ChooseMany;
6 return [] unless defined($_[0]);
7 return ref $_[0] eq 'ARRAY' ? $_[0] : [$_[0]];
10 class ChooseMany is 'Reaction::UI::ViewPort::Field', which {
12 does 'Reaction::UI::ViewPort::Field::Role::Mutable';
13 does 'Reaction::UI::ViewPort::Field::Role::Choices';
15 #MUST BE HERE, BELOW THE 'does', OR THE TRIGGER WILL NOT HAPPEN!
16 has '+value' => (isa => 'ArrayRef');
21 return $orig->($self) unless @_;
22 my $value = $listify->(shift);
23 $_ = $self->str_to_ident($_) for @$value;
24 my $checked = $self->attribute->check_valid_value($self->model, $value);
25 # i.e. fail if any of the values fail
26 confess "Not a valid set of values"
27 if (@$checked < @$value || grep { !defined($_) } @$checked);
28 $orig->($self, $checked);
32 override _build_value => sub {
36 implements _build_value_string => as {
38 join ", ", (map {$self->obj_to_name($_->{value}) } @{ $self->current_value_choices })
41 implements is_current_value => as {
42 my ($self, $check_value) = @_;
43 my @our_values = @{$self->value || []};
44 $check_value = $self->obj_to_str($check_value) if ref($check_value);
45 return grep { $self->obj_to_str($_) eq $check_value } @our_values;
48 implements current_value_choices => as {
50 my @all = grep { $self->is_current_value($_->{value}) } @{$self->value_choices};
54 implements available_value_choices => as {
56 my @all = grep { !$self->is_current_value($_->{value}) } @{$self->value_choices};
60 around handle_events => sub {
62 my ($self, $events) = @_;
63 $events->{value} = [] if $events->{no_current_value};
64 my $ev_value = $listify->($events->{value});
65 if (delete $events->{add_all_values}) {
66 $events->{value} = [map {$self->obj_to_str($_)} @{$self->valid_values}];
67 } elsif (exists $events->{add_values} && delete $events->{do_add_values}) {
68 my $add = $listify->(delete $events->{add_values});
69 $events->{value} = [ @{$ev_value}, @$add ];
70 } elsif (delete $events->{remove_all_values}) {
71 $events->{value} = [];
72 }elsif (exists $events->{remove_values} && delete $events->{do_remove_values}) {
73 my $remove = $listify->(delete $events->{remove_values});
74 my %r = map { ($_ => 1) } @$remove;
75 $events->{value} = [ grep { !$r{$_} } @{$ev_value} ];
87 Reaction::UI::ViewPort::Field::ChooseMany
93 =head2 is_current_value
97 =head2 available_values
99 =head2 available_value_names
103 =head2 L<Reaction::UI::ViewPort::Field>
107 See L<Reaction::Class> for authors.
111 See L<Reaction::Class> for the license.