X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-View-Component-SubInclude.git;a=blobdiff_plain;f=lib%2FCatalyst%2FView%2FComponent%2FSubInclude.pm;h=5d120121394b1f9c9e7450a6df7697f8468f4a57;hp=dd0caeaeb23e7be5663a08c1f49a780f21d0c1b1;hb=35ebe0b6e30c6f6e1aaffd3aa9580dd9aa589d86;hpb=f97c716560e114d118695339a200fe5a7e09e9e5 diff --git a/lib/Catalyst/View/Component/SubInclude.pm b/lib/Catalyst/View/Component/SubInclude.pm index dd0caea..5d12012 100644 --- a/lib/Catalyst/View/Component/SubInclude.pm +++ b/lib/Catalyst/View/Component/SubInclude.pm @@ -3,6 +3,8 @@ use Moose::Role; use Carp qw/croak/; use Catalyst::Utils (); +use Class::MOP (); +use MooseX::Types::Moose qw/Str HashRef/; use namespace::clean -except => 'meta'; with 'Catalyst::Component::ContextClosure'; @@ -13,11 +15,12 @@ Catalyst::View::Component::SubInclude - Use subincludes in your Catalyst views =head1 VERSION -Version 0.07 +Version 0.09 =cut -our $VERSION = '0.07'; +our $VERSION = '0.09'; +$VERSION = eval $VERSION; =head1 SYNOPSIS @@ -38,46 +41,49 @@ Then, somewhere in your templates: C allows you to include content in your templates (or, more generally, somewhere in your view's C processing) -which comes from another action in your application. It's implemented as a +which comes from another action in your application. It's implemented as a L, so using L in your view is required. Simply put, it's a way to include the output of a Catalyst sub-request somewhere -in your page. +in your page. -It's built in an extensible way so that you're free to use sub-requests, Varnish -ESI (L) or any other +It's built in an extensible way so that you're free to use sub-requests, +Varnish ESI (L) or any other sub-include plugin you might want to implement. An LWP plugin seems useful and -might be developed in the future. +might be developed in the future. If you need to address a resource by it's +public path (i.e. the path part trailing C then you +will need to use L directly, and not this +component. =head1 STASH FUNCTIONS This component does its magic by exporting a C coderef entry to the -stash. This way, it's easily accessible by the templates (which is the most +stash. This way, it's easily accessible by the templates (which is the most common use-case). =head2 C -This will render and return the body of the included resource (as specified by +This will render and return the body of the included resource (as specified by C<$path>) using the default subinclude plugin. =head2 C -This will render and return the body of the included resource (as specified by +This will render and return the body of the included resource (as specified by C<$path>) using the specified subinclude plugin. -The C function above is implemented basically as a shortcut which +The C function above is implemented basically as a shortcut which calls this function using the default plugin as the first parameter. =head1 SUBINCLUDE PLUGINS -The module comes with two subinclude plugins: +The module comes with two subinclude plugins: L, -L and +L and L. -By default, the C plugin will be used. This can be changed in the +By default, the C plugin will be used. This can be changed in the view's configuration options (either in the config file or in the view module -itself). +itself). Configuration file example: @@ -88,12 +94,12 @@ Configuration file example: =head2 C This method changes the current active subinclude plugin in runtime. It expects -the plugin suffix (e.g. C or C) or a fully-qualified class +the plugin suffix (e.g. C or C) or a fully-qualified class name in the C namespace. =head2 Writing plugins -If writing your own plugin, keep in kind plugins are required to implement a +If writing your own plugin, keep in kind plugins are required to implement a class method C with the following signature: sub generate_subinclude { @@ -107,18 +113,24 @@ in runtime. It expects a fully qualified class name. has 'subinclude_plugin' => ( is => 'rw', - isa => 'Str' + isa => Str, +); + +has subinclude => ( + is => 'ro', + isa => HashRef, + default => sub { {} }, ); around 'new' => sub { my $next = shift; my $class = shift; - + my $self = $class->$next( @_ ); - + my $subinclude_plugin = $self->config->{subinclude_plugin} || 'SubRequest'; $self->set_subinclude_plugin( $subinclude_plugin ); - + $self; }; @@ -132,7 +144,7 @@ before 'render' => sub { sub set_subinclude_plugin { my ($self, $plugin) = @_; - my $subinclude_class = $self->_subinclude_plugin_class_name( $plugin ); + my $subinclude_class = blessed $self->_subinclude_plugin_class_instance( $plugin ); $self->subinclude_plugin( $subinclude_class ); } @@ -143,29 +155,37 @@ sub _subinclude { sub _subinclude_using { my ($self, $c, $plugin, @args) = @_; - $plugin = $self->_subinclude_plugin_class_name($plugin); - my $plugin_config = Catalyst::Utils::merge_hashes($self->config->{subinclude}->{ALL}||{}, $self->config->{subinclude}->{$plugin}||{}); - $plugin->new($plugin_config)->generate_subinclude( $c, @args ); + $plugin = $self->_subinclude_plugin_class_instance($plugin); + $plugin->generate_subinclude( $c, @args ); } -sub _subinclude_plugin_class_name { +has _subinclude_plugin_class_instance_cache => ( + isa => HashRef, + is => 'ro', + default => sub { {} }, +); + +sub _subinclude_plugin_class_instance { my ($self, $plugin) = @_; - - # check if name is already fully qualified - my $pkg = __PACKAGE__; - return $plugin if $plugin =~ /^$pkg/; - my $class_name = __PACKAGE__ . '::' . $plugin; - - eval "require $class_name"; - croak "Error requiring $class_name: $@" if $@; + my $class = $plugin =~ /::/ ? $plugin : __PACKAGE__ . '::' . $plugin; - $class_name; + my $cache = $self->_subinclude_plugin_class_instance_cache; + return $cache->{$plugin} if exists $cache->{$plugin}; + + my $plugin_config = Catalyst::Utils::merge_hashes( + $self->subinclude->{ALL}||{}, + $self->subinclude->{$plugin}||{} + ); + + Class::MOP::load_class($class); + + return $cache->{$plugin} = $class->new($plugin_config); } =head1 SEE ALSO -L, +L, L, L, L @@ -181,12 +201,18 @@ your bug as I make changes. Nilson Santos Figueiredo Junior, C<< >> +=head1 CONTRIBUTORS + +Tomas Doran (t0m) C<< >. + =head1 SPONSORSHIP Development sponsored by Ionzero LLC L. =head1 COPYRIGHT & LICENSE +Copyright (C) 2010 Nilson Santos Figueiredo Junior and the above contributors. + Copyright (C) 2009 Nilson Santos Figueiredo Junior. Copyright (C) 2009 Ionzero LLC.