use Reaction::Class;
# declaring dependencies
-
use Reaction::UI::LayoutSet;
use Reaction::UI::RenderingContext;
+use aliased 'Reaction::UI::Skin';
+use aliased 'Path::Class::Dir';
class View which {
+ 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);
+ implements '_build_layout_set_class' => as {
+ my ($self) = @_;
+ return $self->find_related_class('LayoutSet');
+ };
+
+ implements '_build_rendering_context_class' => as {
+ my ($self) = @_;
+ 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;
- my $skin_path = $app->path_to('share','skin',$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;
- $self->render_viewport(undef, $root_vp);
+ my $rctx = $self->create_rendering_context;
+ my ($widget, $args) = $self->render_viewport_args($root_vp);
+ $widget->render(widget => $rctx, $args);
};
- implements 'render_viewport' => as {
- my ($self, $outer_rctx, $vp) = @_;
+ implements 'render_viewport_args' => as {
+ my ($self, $vp) = @_;
my $layout_set = $self->layout_set_for($vp);
- my $rctx = $self->create_rendering_context(
- layouts => $layout_set,
- outer => $outer_rctx,
- );
my $widget = $self->widget_for($vp, $layout_set);
- $widget->render($rctx);
+ return ($widget, { viewport => $vp });
};
implements 'widget_for' => as {
my ($self, $vp, $layout_set) = @_;
- return $self->widget_class_for($layout_set)
- ->new(view => $self, viewport => $vp);
- };
-
- implements 'widget_class_for' => as {
- my ($self, $layout_set) = @_;
- my $base = ref($self);
- my $tail = $layout_set->widget_type;
- my $class = join('::', $base, 'Widget', $tail);
- Class::MOP::load_class($class);
- return $class;
+ return
+ $self->_widget_cache->{$layout_set->name}
+ ||= $layout_set->widget_class
+ ->new(
+ view => $self, layout_set => $layout_set
+ );
};
implements 'layout_set_for' => as {
my ($self, $vp) = @_;
my $lset_name = eval { $vp->layout };
confess "Couldn't call layout method on \$vp arg ${vp}: $@" if $@;
- unless (length($lset_name)) {
- my $last = (split('::',ref($vp)))[-1];
- $lset_name = join('_', map { lc($_) } split(/(?=[A-Z])/, $last));
- }
+ $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('::', $last);
+ return lc(join('/', @fragments));
+ };
+
+ implements 'layout_set_file_extension' => as {
+ confess View." is abstract, you must subclass it";
};
implements 'find_related_class' => as {
my ($self, $rel) = @_;
- my $own_class = ref($self)||$self;
+ my $own_class = ref($self) || $self;
confess View." is abstract, you must subclass it" if $own_class eq View;
foreach my $super ($own_class->meta->class_precedence_list) {
next if $super eq View;
confess "Unable to find related ${rel} class for ${own_class}";
};
- implements 'build_layout_set_class' => as {
- my ($self) = @_;
- return $self->find_related_class('LayoutSet');
- };
-
- implements 'layout_set_args_for' => as {
- my ($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 $self->rendering_context_class->new(
);
};
- implements 'build_rendering_context_class' => as {
- my ($self) = @_;
- return $self->find_related_class('RenderingContext');
+ implements 'rendering_context_args_for' => as {
+ return ();
};
- implements 'rendering_context_args_for' => as {
+ implements 'layout_set_args_for' => as {
return ();
};
projects / catagits/Reaction.git / blobdiff