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, $new_args);
37 implements '_render_dispatch_order' => as {
38 my ($self, $fragment_name, $args, $new_args) = @_;
40 my @render_stack = (my $render_deep = (my $render_curr = []));
41 my @layout_order = $self->layout_set->widget_order_for($fragment_name);
43 if (my $f_meth = $self->can("_fragment_${fragment_name}")) {
48 while ($package eq $layout_order[0][0]
49 || $layout_order[0][0]->isa($package)) {
51 my @l = @{shift(@layout_order)};
52 push(@$render_curr, [ -layout, $l[1], $fragment_name, $new_curr ]);
53 push(@render_stack, $new_curr);
54 push(@wclass_stack, $l[0]);
55 $render_deep = $render_curr = $new_curr;
56 last unless @layout_order;
60 while ($package ne $wclass_stack[-1]
61 && $package->isa($wclass_stack[-1])) {
63 $render_curr = pop(@render_stack);
66 push(@{$render_curr}, [ -render, @_ ]);
68 $self->$f_meth($do_render, $args, $new_args);
70 # if we had no fragment method or if we still have layouts left
72 while (my $l = shift(@layout_order)) {
74 -layout => $l->[1], $fragment_name, ($render_deep = [])
79 return $render_stack[0];
82 implements '_build_basic_layout_args' => as {
85 foreach my $name (@{$self->fragment_names},
86 @{$self->layout_set->layout_names}) {
87 $args->{$name} ||= sub { $self->render($name, @_); };
92 implements '_fragment_viewport' => as {
93 my ($self, $do_render, $args, $new_args) = @_;
94 my $vp = $args->{'_'};
95 my ($widget, $merge_args) = $self->view->render_viewport_args($vp);
96 delete @{$new_args}{keys %$new_args}; # fresh start
97 @{$new_args}{keys %$merge_args} = values %$merge_args;
98 $do_render->(Widget, $widget, 'widget');
101 implements '_fragment_widget' => as {
102 my ($self, $do_render, $args, $new_args) = @_;
103 my $merge = $self->basic_layout_args;
104 #warn "Merge: ".join(', ', keys %$merge)." into: ".join(', ', keys %$new_args);
105 delete @{$merge}{keys %$new_args}; # nuke 'self' and 'viewport'
106 @{$new_args}{keys %$merge} = values %$merge;
121 See L<Reaction::Class> for authors.
125 See L<Reaction::Class> for the license.