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package Reaction::UI::LayoutSet;
use Reaction::Class;
use File::Spec;
class LayoutSet which {
has 'fragments' => (is => 'ro', default => sub { {} });
has 'name' => (is => 'ro', required => 1);
has 'source_file' => (is => 'rw', lazy_fail => 1);
has 'file_extension'=> (isa => 'Str', is => 'rw', lazy_build => 1);
implements _build_file_extension => as { 'html' };
implements 'BUILD' => as {
my ($self, $args) = @_;
my @path = @{$args->{search_path}||[]};
confess "No search_path provided" unless @path;
my $found;
my $ext = $self->file_extension;
SEARCH: foreach my $path (@path) {
my $cand = $path->file($self->name . ".${ext}");
#print STDERR $cand,"\n";
if ($cand->stat) {
$self->_load_file($cand);
$found = 1;
last SEARCH;
}
}
confess "Unable to load file for LayoutSet ".$self->name unless $found;
};
implements '_load_file' => as {
my ($self, $file) = @_;
my $data = $file->slurp;
my $fragments = $self->fragments;
# cheesy match for "=for layout fragmentname ... =something"
# final split group also handles last in file, (?==) is lookahead
# assertion for '=' so "=for layout fragment1 ... =for layout fragment2"
# doesn't have the match pos go past the latter = and lose fragment2
while ($data =~ m/=for layout (.*?)\n(.+?)(?:\n(?==)|$)/sg) {
my ($fname, $text) = ($1, $2);
$fragments->{$fname} = $text;
}
$self->source_file($file);
};
implements 'widget_type' => as {
my ($self) = @_;
my $widget = join('', map { ucfirst($_) } split('_', $self->name));
$widget = join('::', map { ucfirst($_) } split('/', $widget));
#print STDERR "--- ", $self->name, " maps to widget $widget \n";
return $widget;
};
};
1;
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