- if ( delete($attributes{with_empty}) ) {
- push(@options, [undef, $attributes{empty_title} || '']);
- }
-
- my $normalize_entry = sub {
-
- my ($type, $entry, $sub, $key) = @_;
-
- if ( $sub ) {
- return $sub->($entry);
- }
-
- my $ref = ref($entry);
-
- if ( !$ref ) {
-
- if ( $type eq 'value' || $type eq 'title' ) {
- return $entry;
- }
-
- return 0;
- }
-
- if ( $ref eq 'ARRAY' ) {
-
- if ( $type eq 'value' ) {
- return $entry->[0];
- }
-
- if ( $type eq 'title' ) {
- return $entry->[1];
- }
-
- return $entry->[2];
- }
-
- if ( $ref eq 'HASH' ) {
- return $entry->{$key};
- }
-
- if ( $type ne 'default' || $entry->can($key) ) {
- return $entry->$key;
- }
-
- return undef;
- };
-
- foreach my $entry ( @{ $collection } ) {
- my $value;
- my $title;
-
- if ( $value_title_sub ) {
- ($value, $title) = $value_title_sub->($entry);
- } else {
-
- $value = $normalize_entry->('value', $entry, $value_sub, $value_key);
- $title = $normalize_entry->('title', $entry, $title_sub, $title_key);
- }
-
- my $default = $normalize_entry->('default', $entry, $default_sub, $default_key);
-
- push(@options, [$value, $title, $default]);
- }
-
- foreach my $entry (@options) {
- if ( exists($selected{$entry->[0]}) ) {
- $entry->[2] = 1;
- }
- }
-
- my $code = '';
-
- foreach my $entry (@options) {
- my %args = (value => $entry->[0]);
-
- $args{selected} = $entry->[2];