# declaring dependencies
use Reaction::UI::LayoutSet;
use Reaction::UI::RenderingContext;
+use File::ShareDir;
+use File::Basename;
use aliased 'Path::Class::Dir';
-class Skin which {
-
- has '_layout_set_cache' => (is => 'ro', default => sub { {} });
-
- has 'skin_base_path' => (is => 'ro', isa => Dir, required => 1);
-
- has 'widget_search_path' => (is => 'rw', isa => 'ArrayRef', lazy_fail => 1);
-
- has 'view' => (
- is => 'ro', required => 1, weak_ref => 1,
- handles => [ qw(layout_set_class widget_class_for) ],
- );
-
- has 'super' => (
- is => 'rw', isa => Skin, required => 0, predicate => 'has_super',
- );
-
- sub BUILD {
- my ($self) = @_;
- $self->_load_skin_config;
+use namespace::clean -except => [ qw(meta) ];
+
+
+has '_layout_set_cache' => (is => 'ro', default => sub { {} });
+has '_widget_class_cache' => (is => 'ro', default => sub { {} });
+
+has 'name' => (is => 'ro', isa => 'Str', required => 1);
+has 'skin_dir' => (is => 'rw', isa => Dir, lazy_fail => 1);
+
+has 'widget_search_path' => (
+ is => 'rw', isa => 'ArrayRef', requred => 1, default => sub { [] }
+);
+
+has 'view' => (
+ is => 'ro', required => 1, weak_ref => 1,
+ handles => [ qw(layout_set_class) ],
+);
+
+has 'super' => (
+ is => 'rw', isa => Skin, required => 0, predicate => 'has_super',
+);
+
+sub BUILD {
+ my ($self, $args) = @_;
+ $self->_find_skin_dir($args);
+ $self->_load_skin_config($args);
+}
+sub _find_skin_dir {
+ my ($self, $args) = @_;
+ my $skin_name = $self->name;
+ if ($skin_name =~ s!^/(.*?)/!!) {
+ my $dist = $1;
+ $args->{skin_base_dir} = eval {
+ Dir->new(File::ShareDir::dist_dir($dist))
+ ->subdir('skin');
+ };
+ if ($@) {
+ # No installed Reaction
+ my $file = __FILE__;
+ my $dir = Dir->new(dirname($file));
+ my $skin_base;
+ while ($dir->parent) {
+ if (-d $dir->subdir('share') && -d $dir->subdir('share')->subdir('skin')) {
+ $skin_base = $dir->subdir('share')->subdir('skin');
+ last;
+ }
+ $dir = $dir->parent;
+ }
+ confess "could not find skinbase by recursion. ended up at $dir, from $file"
+ unless $skin_base;
+ $args->{skin_base_dir} = $skin_base;
+ }
}
-
- implements '_load_skin_config' => as {
- my ($self) = @_;
- my $base = $self->skin_base_path;
- confess "No such skin base directory ${base}"
- unless -d $base;
- my $lst = sub { (ref $_[0] eq 'ARRAY') ? $_[0]: [$_[0]] };
- my @files = (
- $base->parent->file('defaults.conf'), $base->file('skin.conf')
+ my $base = $args->{skin_base_dir}->subdir($skin_name);
+ confess "No such skin base directory ${base}"
+ unless -d $base;
+ $self->skin_dir($base);
+};
+sub _load_skin_config {
+ my ($self, $args) = @_;
+ my $base = $self->skin_dir;
+ my $lst = sub { (ref $_[0] eq 'ARRAY') ? $_[0] : [$_[0]] };
+ my @files = (
+ $args->{skin_base_dir}->file('defaults.conf'), $base->file('skin.conf')
+ );
+ # we get [ { $file => $conf }, ... ]
+ my %cfg = (map { %{(values %{$_})[0]} }
+ @{Config::Any->load_files({
+ files => [ grep { -e $_ } @files ],
+ use_ext => 1,
+ })}
+ );
+ if (my $super_name = $cfg{extends}) {
+ my $super = $self->new(
+ name => $super_name,
+ view => $self->view,
+ skin_base_dir => $args->{skin_base_dir},
);
- # we get [ { $file => $conf }, ... ]
- my %cfg = (map { %{(values %{$_})[0]} }
- @{Config::Any->load_files({
- files => [ grep { -e $_ } @files ],
- use_ext => 1,
- })}
- );
- if (my $super_name = $cfg{extends}) {
- my $super_dir = $base->parent->subdir($super_name);
- my $super = $self->new(
- view => $self->view, skin_base_path => $super_dir
- );
- $self->super($super);
- }
- if (exists $cfg{widget_search_path}) {
- $self->widget_search_path($lst->($cfg{widget_search_path}));
- } else {
- confess "No widget_search_path in defaults.conf or skin.conf";
- }
+ $self->super($super);
}
-
- implements 'create_layout_set' => as {
- my ($self, $name) = @_;
- if (my $path = $self->layout_path_for($name)) {
- return $self->layout_set_class->new(
- $self->layout_set_args_for($name),
- source_file => $path,
- );
- }
- if ($self->has_super) {
- return $self->super->create_layout_set($name);
+ if (exists $cfg{widget_search_path}) {
+ $self->widget_search_path($lst->($cfg{widget_search_path}));
+ }
+ # For some reason this conditional doesn't work correctly without
+ # the "my @x". Answers on a postcard.
+ unless (my @x = $self->full_widget_search_path) {
+ confess "No widget_search_path in defaults.conf or skin.conf"
+ .($self->has_super
+ ? " and no search path provided from super skin "
+ .$self->super->name
+ : "");
+ }
+}
+sub create_layout_set {
+ my ($self, $name) = @_;
+ $self->_create_layout_set($name, [], $self);
+};
+sub _create_layout_set {
+ my ($self, $name, $tried, $top_skin) = @_;
+ if (my $path = $self->layout_path_for($name)) {
+ return $self->layout_set_class->new(
+ $self->layout_set_args_for($name),
+ source_file => $path,
+ top_skin => $top_skin,
+ );
+ }
+ $tried = [ @{$tried}, $self->our_path_for_type('layout') ];
+ if ($self->has_super) {
+ return $self->super->_create_layout_set($name, $tried, $top_skin);
+ }
+ confess "Couldn't find layout set file for ${name}, tried "
+ .join(', ', @$tried);
+};
+sub layout_set_args_for {
+ my ($self, $name) = @_;
+ return (
+ name => $name,
+ skin => $self,
+ ($self->has_super ? (next_skin => $self->super) : ()),
+ $self->view->layout_set_args_for($name),
+ );
+};
+sub layout_path_for {
+ my ($self, $layout) = @_;
+ my $file_name = join(
+ '.', $layout, $self->view->layout_set_file_extension
+ );
+ my $path = $self->our_path_for_type('layout')
+ ->file($file_name);
+ return (-e $path ? $path : undef);
+};
+sub search_path_for_type {
+ my ($self, $type) = @_;
+ return [
+ $self->our_path_for_type($type),
+ ($self->has_super
+ ? @{$self->super->search_path_for_type($type)}
+ : ()
+ )
+ ];
+};
+sub our_path_for_type {
+ my ($self, $type) = @_;
+ return $self->skin_dir->subdir($type)
+};
+sub full_widget_search_path {
+ my ($self) = @_;
+ return (
+ @{$self->widget_search_path},
+ ($self->has_super ? $self->super->full_widget_search_path : ())
+ );
+};
+sub widget_class_for {
+ my ($self, $layout_set) = @_;
+ my $base = blessed($self);
+ my $widget_type = $layout_set->widget_type;
+ return $self->_widget_class_cache->{$widget_type} ||= do {
+
+ my @search_path = $self->full_widget_search_path;
+ my @haystack = map {join('::', $_, $widget_type)} @search_path;
+
+ foreach my $class (@haystack) {
+ #if the class is already loaded skip the call to Installed etc.
+ return $class if Class::MOP::is_class_loaded($class);
+ next unless Class::Inspector->installed($class);
+
+ my $ok = eval { Class::MOP::load_class($class) };
+ confess("Failed to load widget '${class}': $@") if $@;
+ return $class;
}
- confess "Couldn't find layout set file for ${name}";
- };
-
- implements 'layout_set_args_for' => as {
- my ($self, $name) = @_;
- return (
- name => $name,
- skin => $self,
- ($self->has_super ? (next_skin => $self->super) : ()),
- $self->view->layout_set_args_for($name),
- );
- };
-
- implements 'layout_path_for' => as {
- my ($self, $layout) = @_;
- my $file_name = join(
- '.', $layout, $self->view->layout_set_file_extension
- );
- my $path = $self->our_path_for_type('layout')
- ->file($file_name);
- return (-e $path ? $path : undef);
+ confess "Couldn't locate widget '${widget_type}' for layout "
+ ."'${\$layout_set->name}': tried: ".join(", ", @haystack);
};
+};
- implements 'search_path_for_type' => as {
- my ($self, $type) = @_;
- return [
- $self->our_path_for_type($type),
- ($self->has_super
- ? @{$self->super->search_path_for_type($type)}
- : ()
- )
- ];
- };
+__PACKAGE__->meta->make_immutable;
- implements 'our_path_for_type' => as {
- my ($self, $type) = @_;
- return $self->skin_base_path->subdir($type)
- };
-
-};
1;