# declaring dependencies
use Reaction::UI::LayoutSet;
use Reaction::UI::RenderingContext;
+use aliased 'Reaction::UI::Skin';
+use aliased 'Path::Class::Dir';
class View which {
- has '_layout_set_cache' => (is => 'ro', default => sub { {} });
- has '_widget_class_cache' => (is => 'ro', default => sub { {} });
has '_widget_cache' => (is => 'ro', default => sub { {} });
+ has '_layout_set_cache' => (is => 'ro', default => sub { {} });
+
has 'app' => (is => 'ro', required => 1);
has 'skin_name' => (is => 'ro', required => 1);
+ has 'skin' => (
+ is => 'ro', lazy_build => 1,
+ handles => [ qw(create_layout_set search_path_for_type) ]
+ );
+
has 'layout_set_class' => (is => 'ro', lazy_build => 1);
has 'rendering_context_class' => (is => 'ro', lazy_build => 1);
return $self->find_related_class('RenderingContext');
};
+ implements '_build_skin' => as {
+ my ($self) = @_;
+ Skin->new(
+ name => $self->skin_name, view => $self,
+ # path_to returns a File, not a Dir. Thanks, Catalyst.
+ skin_base_dir => Dir->new($self->app->path_to('share', 'skin')),
+ );
+ };
+
implements 'COMPONENT' => as {
my ($class, $app, $args) = @_;
return $class->new(%{$args||{}}, app => $app);
};
- sub BUILD{
- my $self = shift;
- my $skin_name = $self->skin_name;
- #XXX i guess we will add the path to installed reaction templates here
- my $skin_path = $self->app->path_to('share','skin',$skin_name);
- confess("'${skin_path}' is not a valid path for skin '${skin_name}'")
- unless -d $skin_path;
- }
-
implements 'render_window' => as {
my ($self, $window) = @_;
my $root_vp = $window->focus_stack->vp_head;
my $rctx = $self->create_rendering_context;
- $self->render_viewport($rctx, $root_vp);
+ my ($widget, $args) = $self->render_viewport_args($root_vp);
+ $widget->render(widget => $rctx, $args);
};
- implements 'render_viewport' => as {
- my ($self, $rctx, $vp) = @_;
+ implements 'render_viewport_args' => as {
+ my ($self, $vp) = @_;
my $layout_set = $self->layout_set_for($vp);
my $widget = $self->widget_for($vp, $layout_set);
- $widget->render($rctx, { viewport => $vp });
+ return ($widget, { viewport => $vp });
};
implements 'widget_for' => as {
my ($self, $vp, $layout_set) = @_;
return
$self->_widget_cache->{$layout_set->name}
- ||= $self->widget_class_for($layout_set)
- ->new(
- view => $self, layout_set => $layout_set
- );
- };
-
- implements 'widget_class_for' => as {
- my ($self, $layout_set) = @_;
- my $base = $self->blessed;
- my $tail = $layout_set->widget_type;
- my $lset_name = $layout_set->name;
- # eventually more stuff will go here i guess?
- my $app_name = ref $self->app || $self->app;
- my $cache = $self->_widget_class_cache;
- return $cache->{ $lset_name } if exists $cache->{ $lset_name };
-
- my @search_path = ($base, $app_name, 'Reaction::UI');
- my @haystack = map { join '::', $_, 'Widget', $tail } @search_path;
- for my $class (@haystack){
- #here we should throw if exits and error instead of eating the error
- #only next when !exists
- eval { Class::MOP::load_class($class) };
- #$@ ? next : return $class;
- $@ ? next : return $cache->{ $lset_name } = $class;
- }
- confess "Couldn't load widget '$tail': tried: @haystack";
+ ||= $layout_set->widget_class
+ ->new(
+ view => $self, layout_set => $layout_set
+ );
};
implements 'layout_set_for' => as {
my ($self, $vp) = @_;
- #print STDERR "Getting layoutset for VP ".(ref($vp) || "SC:".$vp)."\n";
my $lset_name = eval { $vp->layout };
confess "Couldn't call layout method on \$vp arg ${vp}: $@" if $@;
- unless (length($lset_name)) {
- my $vp_class = ref($vp) || $vp;
- my ($last) = ($vp_class =~ /.*(?:::ViewPort::)(.+?)$/);
- my @fragments = split('::', $last);
- $_ = join("_", split(/(?=[A-Z])/, $_)) for @fragments;
- $lset_name = lc(join('/', @fragments));
- #print STDERR "--- $vp_class is rendered as $lset_name\n";
- }
+ $lset_name = $self->layout_set_name_from_viewport( blessed($vp) )
+ unless (length($lset_name));
my $cache = $self->_layout_set_cache;
return $cache->{$lset_name} ||= $self->create_layout_set($lset_name);
};
- implements 'create_layout_set' => as {
- my ($self, $name) = @_;
- return $self->layout_set_class->new(
- $self->layout_set_args_for($name),
- );
+ #XXX if it ever comes to it: this could be memoized. not bothering yet.
+ implements 'layout_set_name_from_viewport' => as {
+ my ($self, $class) = @_;
+ my ($last) = ($class =~ /.*(?:::ViewPort::)(.+?)$/);
+ #split when a non-uppercase letter meets an uppercase or when an
+ #uppercase letter is followed by another uppercase and then a non-uppercase
+ #FooBar = foo_bar; Foo_Bar = foo_bar; FOOBar = foo_bar; FooBAR = foo_bar
+ my @fragments = map {
+ join("_", split(/(?:(?<=[A-Z])(?=[A-Z][^_A-Z])|(?<=[^_A-Z])(?=[A-Z]))/, $_))
+ } split('::', $last);
+ return lc(join('/', @fragments));
+ };
+
+ implements 'layout_set_file_extension' => as {
+ confess View." is abstract, you must subclass it";
};
implements 'find_related_class' => as {
confess "Unable to find related ${rel} class for ${own_class}";
};
- implements 'layout_set_args_for' => as {
- my ($self, $name) = @_;
- return (name => $name, search_path => $self->layout_search_path);
- };
-
- implements 'layout_search_path' => as {
- my ($self) = @_;
- return $self->search_path_for_type('layout');
- };
-
- implements 'search_path_for_type' => as {
- my ($self, $type) = @_;
- return [ $self->app->path_to('share','skin',$self->skin_name,$type) ];
- };
-
implements 'create_rendering_context' => as {
my ($self, @args) = @_;
return $self->rendering_context_class->new(
return ();
};
+ implements 'layout_set_args_for' => as {
+ return ();
+ };
+
};
1;