use Reaction::Class;
# declaring dependencies
-
use Reaction::UI::LayoutSet;
use Reaction::UI::RenderingContext;
class View which {
- has '_layout_set_cache' => (is => 'ro', default => sub { {} });
+ has '_layout_set_cache' => (is => 'ro', default => sub { {} });
+ has '_widget_class_cache' => (is => 'ro', default => sub { {} });
+ has '_widget_cache' => (is => 'ro', default => sub { {} });
has 'app' => (is => 'ro', required => 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 $self->find_related_class('RenderingContext');
+ };
+
implements 'COMPONENT' => as {
my ($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;
- $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);
+ return
+ $self->_widget_cache->{$layout_set->name}
+ ||= $layout_set->widget_class
+ ->new(
+ view => $self, layout_set => $layout_set
+ );
};
implements 'widget_class_for' => as {
my ($self, $layout_set) = @_;
- my $base = ref($self);
+ my $base = $self->blessed;
my $tail = $layout_set->widget_type;
- my $class = join('::', $base, 'Widget', $tail);
- Class::MOP::load_class($class);
- return $class;
+ 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;
+ #warn "Loaded ${class}" unless $@;
+ $@ ? next : return $cache->{ $lset_name } = $class;
+ }
+ confess "Couldn't load widget '$tail': tried: @haystack";
};
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 $last = (split('::',ref($vp)))[-1];
- $lset_name = join('_', map { lc($_) } split(/(?=[A-Z])/, $last));
+ 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";
}
my $cache = $self->_layout_set_cache;
return $cache->{$lset_name} ||= $self->create_layout_set($lset_name);
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);
+ return (
+ name => $name,
+ search_path => $self->layout_search_path,
+ view => $self,
+ );
};
implements 'layout_search_path' => as {
);
};
- implements 'build_rendering_context_class' => as {
- my ($self) = @_;
- return $self->find_related_class('RenderingContext');
- };
-
implements 'rendering_context_args_for' => as {
return ();
};