use Class::MOP::Object;
use Catalyst::Utils;
use Class::C3::Adopt::NEXT;
+use Devel::InnerPackage ();
use MRO::Compat;
use mro 'c3';
use Scalar::Util 'blessed';
-use Storable 'dclone';
use namespace::clean -except => 'meta';
with 'MooseX::Emulate::Class::Accessor::Fast';
__PACKAGE__->mk_classdata('_plugins');
__PACKAGE__->mk_classdata('_config');
+has catalyst_component_name => ( is => 'ro' ); # Cannot be required => 1 as context
+ # class @ISA component - HATE
+# Make accessor callable as a class method, as we need to call setup_actions
+# on the application class, which we don't have an instance of, ewwwww
+# Also, naughty modules like Catalyst::View::JSON try to write to _everything_,
+# so spit a warning, ignore that (and try to do the right thing anyway) here..
+around catalyst_component_name => sub {
+ my ($orig, $self) = (shift, shift);
+ Carp::cluck("Tried to write to the catalyst_component_name accessor - is your component broken or just mad? (Write ignored - using default value.)") if scalar @_;
+ blessed($self) ? $self->$orig() || blessed($self) : $self;
+};
+
sub BUILDARGS {
my $class = shift;
my $args = {};
} elsif (Class::MOP::is_class_loaded($_[0]) &&
$_[0]->isa('Catalyst') && ref($_[1]) eq 'HASH') {
$args = $_[1];
- } elsif ($_[0] == $_[1]) {
- $args = $_[1];
} else {
$args = +{ @_ };
}
}
sub COMPONENT {
- my ( $self, $c ) = @_;
+ my ( $class, $c ) = @_;
# Temporary fix, some components does not pass context to constructor
my $arguments = ( ref( $_[-1] ) eq 'HASH' ) ? $_[-1] : {};
- if( my $next = $self->next::can ){
- my $class = blessed $self || $self;
+ if ( my $next = $class->next::can ) {
my ($next_package) = Class::MOP::get_code_info($next);
warn "There is a COMPONENT method resolving after Catalyst::Component in ${next_package}.\n";
warn "This behavior can no longer be supported, and so your application is probably broken.\n";
warn "Your linearized isa hierarchy is: " . join(', ', @{ mro::get_linear_isa($class) }) . "\n";
warn "Please see perldoc Catalyst::Upgrading for more information about this issue.\n";
}
- return $self->new($c, $arguments);
+ return $class->new($c, $arguments);
}
sub config {
my $self = shift;
+ # Uncomment once sane to do so
+ #Carp::cluck("config method called on instance") if ref $self;
my $config = $self->_config || {};
if (@_) {
my $newconfig = { %{@_ > 1 ? {@_} : $_[0]} };
my $class = blessed($self) || $self;
my $meta = Class::MOP::get_metaclass_by_name($class);
unless ($meta->has_package_symbol('$_config')) {
- $self->_config( dclone $config );
+ # Call merge_hashes to ensure we deep copy the parent
+ # config onto the subclass
+ $self->_config( Catalyst::Utils::merge_hashes($config, {}) );
}
}
return $self->_config;
. " did not override Catalyst::Component::process" );
}
+sub expand_modules {
+ my ($class, $component) = @_;
+ return Devel::InnerPackage::list_packages( $component );
+}
+
__PACKAGE__->meta->make_immutable;
1;
=head1 METHODS
-=head2 new($c, $arguments)
+=head2 new($app, $arguments)
Called by COMPONENT to instantiate the component; should return an object
to be stored in the application's component hash.
C<< my $component_instance = $component->COMPONENT($app, $arguments); >>
-If this method is present (as it is on all Catalyst::Component subclasses,
+If this method is present (as it is on all Catalyst::Component subclasses),
it is called by Catalyst during setup_components with the application class
-as $c and any config entry on the application for this component (for example,
+as $app and any config entry on the application for this component (for example,
in the case of MyApp::Controller::Foo this would be
-MyApp->config->{'Controller::Foo'}). The arguments are expected to be a
-hashref and are merged with the __PACKAGE__->config hashref before calling
-->new to instantiate the component.
+C<< MyApp->config('Controller::Foo' => \%conf >>).
+
+The arguments are expected to be a hashref and are merged with the
+C<< __PACKAGE__->config >> hashref before calling C<< ->new >>
+to instantiate the component.
You can override it in your components to do custom instantiation, using
something like this:
sub COMPONENT {
my ($class, $app, $args) = @_;
- $args = $self->merge_config_hashes($self->config, $args);
+ $args = $class->merge_config_hashes($class->config, $args);
return $class->new($app, $args);
}
will be merged with any existing config settings. Each component in
a Catalyst application has its own config hash.
+The component's config hash is merged with any config entry on the
+application for this component and passed to C<new()> (as mentioned
+above at L</COMPONENT>). The common practice to access the merged
+config is to use a Moose attribute for each config entry on the
+receiving component.
+
=head2 $c->process()
This is the default method called on a Catalyst component in the dispatcher.
Merges two hashes together recursively, giving right-hand precedence.
Alias for the method in L<Catalyst::Utils>.
+=head2 $c->expand_modules( $setup_component_config )
+
+Return a list of extra components that this component has created. By default,
+it just looks for a list of inner packages of this component
+
+=cut
+
=head1 OPTIONAL METHODS
=head2 ACCEPT_CONTEXT($c, @args)
=head1 COPYRIGHT
-This program is free software, you can redistribute it and/or modify it under
+This library is free software. You can redistribute it and/or modify it under
the same terms as Perl itself.
=cut