X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FReaction%2FUI%2FSkin.pm;h=237279d35d2feb01769470216a9c557605eb986f;hb=049d22341026ead65b36eca2bddac7181f246142;hp=dad42064b44333a7d76f561b5b0dad30c73c00e9;hpb=a2a5872bdd576eb5f389499ed36b03b86587388d;p=catagits%2FReaction.git

diff --git a/lib/Reaction/UI/Skin.pm b/lib/Reaction/UI/Skin.pm
index dad4206..237279d 100644
--- a/lib/Reaction/UI/Skin.pm
+++ b/lib/Reaction/UI/Skin.pm
@@ -5,147 +5,188 @@ use Reaction::Class;
 # declaring dependencies
 use Reaction::UI::LayoutSet;
 use Reaction::UI::RenderingContext;
+use File::ShareDir;
+use File::Basename;
+use Config::Any;
 
 use aliased 'Path::Class::Dir';
 
-class Skin which {
-
-  has '_layout_set_cache'   => (is => 'ro', default => sub { {} });
-  has '_widget_class_cache'   => (is => 'ro', default => sub { {} });
-
-  has 'skin_base_path' => (is => 'ro', isa => Dir, required => 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) = @_;
-    $self->_load_skin_config;
+use namespace::clean -except => [ qw(meta) ];
+
+
+has '_layout_set_cache'   => (is => 'ro', default => sub { {} });
+has '_widget_class_cache'   => (is => 'ro', default => sub { {} });
+
+has 'name' => (is => 'ro', isa => 'Str', required => 1);
+has 'skin_dir' => (is => 'rw', isa => Dir, lazy_fail => 1);
+
+has 'widget_search_path' => (
+  is => 'rw', isa => 'ArrayRef', required => 1, default => sub { [] }
+);
+
+has 'view' => (
+  is => 'ro', required => 1, weak_ref => 1,
+  handles => [ qw(layout_set_class) ],
+);
+
+has 'super' => (
+  is => 'rw', isa => Skin, required => 0, predicate => 'has_super',
+);
+
+sub BUILD {
+  my ($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 $_ } map { $_->stringify } @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"
-              ." and no search path provided from super skin"
-        unless $self->full_widget_search_path;
-    }
+    $self->super($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 ? $path : undef);
-  };
-
-  implements 'search_path_for_type' => as {
-    my ($self, $type) = @_;
-    return [
-      $self->our_path_for_type($type),
-      ($self->has_super
-        ? @{$self->super->search_path_for_type($type)}
-        : ()
-      )
-    ];
-  };
-
-  implements 'our_path_for_type' => as {
-    my ($self, $type) = @_;
-    return $self->skin_base_path->subdir($type)
-  };
-
-  implements 'full_widget_search_path' => as {
-    my ($self) = @_;
-    return (
-      @{$self->widget_search_path},
-      ($self->has_super ? $self->super->full_widget_search_path : ())
-    );
+    confess "Couldn't locate widget '${widget_type}' for layout "
+      ."'${\$layout_set->name}': tried: ".join(", ", @haystack);
   };
+};
 
-  implements 'widget_class_for' => as {
-    my ($self, $layout_set) = @_;
-    my $base = $self->blessed;
-    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 $class;
-      }
-      confess "Couldn't locate widget '${widget_type}' for layout "
-        ."'${\$layout_set->name}': tried: ".join(", ", @haystack);
-    };
-  };
+__PACKAGE__->meta->make_immutable;
 
-};
 
 1;