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package Reaction::UI::ViewPort::Field::Role::Mutable::Simple;
use Reaction::Role;
use aliased 'Reaction::UI::ViewPort::Field::Role::Mutable';
use namespace::clean -except => [ qw(meta) ];
with Mutable;
has value_string => (
is => 'rw', lazy_build => 1, trigger_adopt('value_string'),
clearer => 'clear_value',
);
has '+is_modified' => (default => 0);
around value_string => sub {
my $orig = shift;
my $self = shift;
if (@_) {
# recursive call. be VERY careful we don't go infinite here
my $old = $self->value_string;
my $new = $_[0];
if ((defined $old xor defined $new) || (defined $old && $old ne $new)) {
$self->_set_modified(1);
} else {
return;
}
}
if (@_ && defined($_[0]) && !ref($_[0]) && $_[0] eq ''
&& !$self->value_is_required) {
$self->clear_value;
return undef;
}
return $self->$orig(@_);
};
# the user needs to implement this because, honestly, you're always going
# to need to do something custom and the only common thing really is
# "you probably set $self->value at the end"
requires 'adopt_value_string';
around accept_events => sub { ('value_string', shift->(@_)) };
around force_events => sub { (value_string => '', shift->(@_)) };
1;
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