protected function process_field_sets($sets, $ft_dir, &$info, &$field_types_by_name) {
if (isset($sets)) {
foreach ($sets as $field_set) {
if (isset($field_set->fields)) {
foreach ($field_set->fields as $field) {
if (isset($field_types_by_name[$field->type])) {
$icon_url = $field_types_by_name[$field->type]["icon"];
} else {
$icon_url = MPU::type_icon_url($field->type);
if (!MPU::type_exists($field->type)) {
// check if the field type is included in the package
if (file_exists($ft_dir.$field->type)) {
$icon_url = $ft_dir.$field->type.WOOF_DIR_SEP."icon-color.png";
} else {
$info["missing_field_types"] = $field->type;
$field->missing = true;
}
}
}
$field->icon_url = $icon_url;
}
}
}
}
}