1 package Reaction::UI::Widget;
4 use aliased 'Reaction::UI::ViewPort';
5 use aliased 'Reaction::UI::View';
6 use aliased 'Reaction::UI::LayoutSet';
10 has 'view' => (isa => View, is => 'ro', required => 1);
11 has 'layout_set' => (isa => LayoutSet, is => 'ro', required => 1);
12 has 'fragment_names' => (is => 'ro', lazy_build => 1);
13 has 'basic_layout_args' => (is => 'ro', lazy_build => 1);
15 implements '_build_fragment_names' => as {
18 map { /^_fragment_(.*)/; $1; }
19 grep { /^_fragment_/ }
21 $self->meta->compute_all_applicable_methods
25 implements 'render' => as {
26 my ($self, $fragment_name, $rctx, $passed_args) = @_;
27 confess "\$passed_args not hashref" unless ref($passed_args) eq 'HASH';
28 #warn "Render: ${fragment_name} for ${self}";
29 my $args = { self => $self, %$passed_args };
30 my $new_args = { %$args };
31 my $render_tree = $self->_render_dispatch_order(
32 $fragment_name, $args, $new_args
34 $rctx->dispatch($render_tree, $new_args);
37 implements '_method_for_fragment_name' => as {
38 my ($self, $fragment_name) = @_;
39 return $self->can("_fragment_${fragment_name}");
42 implements '_render_dispatch_order' => as {
43 my ($self, $fragment_name, $args, $new_args) = @_;
45 my @render_stack = (my $render_deep = (my $render_curr = []));
46 my @layout_order = $self->layout_set->widget_order_for($fragment_name);
48 if (my $f_meth = $self->_method_for_fragment_name($fragment_name)) {
53 while ($package eq $layout_order[0][0]
54 || $layout_order[0][0]->isa($package)) {
56 my @l = @{shift(@layout_order)};
57 push(@$render_curr, [ -layout, $l[1], $fragment_name, $new_curr ]);
58 push(@render_stack, $new_curr);
59 push(@wclass_stack, $l[0]);
60 $render_deep = $render_curr = $new_curr;
61 last unless @layout_order;
65 while ($package ne $wclass_stack[-1]
66 && $package->isa($wclass_stack[-1])) {
68 $render_curr = pop(@render_stack);
71 push(@{$render_curr}, [ -render, @_ ]);
73 $self->$f_meth($do_render, $args, $new_args);
75 # if we had no fragment method or if we still have layouts left
77 while (my $l = shift(@layout_order)) {
79 -layout => $l->[1], $fragment_name, ($render_deep = [])
84 return $render_stack[0];
87 implements '_build_basic_layout_args' => as {
90 foreach my $name (@{$self->fragment_names},
91 @{$self->layout_set->layout_names}) {
92 $args->{$name} ||= sub { $self->render($name, @_); };
97 implements '_fragment_viewport' => as {
98 my ($self, $do_render, $args, $new_args) = @_;
99 my $vp = $args->{'_'};
100 my ($widget, $merge_args) = $self->view->render_viewport_args($vp);
101 delete @{$new_args}{keys %$new_args}; # fresh start
102 @{$new_args}{keys %$merge_args} = values %$merge_args;
103 $do_render->(Widget, $widget, 'widget');
106 implements '_fragment_widget' => as {
107 my ($self, $do_render, $args, $new_args) = @_;
108 my $merge = $self->basic_layout_args;
109 #warn "Merge: ".join(', ', keys %$merge)." into: ".join(', ', keys %$new_args);
110 delete @{$merge}{keys %$new_args}; # nuke 'self' and 'viewport'
111 @{$new_args}{keys %$merge} = values %$merge;
126 See L<Reaction::Class> for authors.
130 See L<Reaction::Class> for the license.