<?php
/**
* Helper to manage the field display behaviour.
*
* @package WooCommerce\PayPalCommerce\WcGateway\Helper;
*/
declare(strict_types=1);
namespace WooCommerce\PayPalCommerce\WcGateway\Helper;
use WooCommerce\PayPalCommerce\WcGateway\Settings\Settings;
/**
* DisplayManager class.
*/
class DisplayManager {
/**
* The settings.
*
* @var Settings
*/
private $settings;
/**
* The rules.
*
* @var array
*/
protected $rules = array();
/**
* FieldDisplayManager constructor.
*
* @param Settings $settings The settings.
* @return void
*/
public function __construct( Settings $settings ) {
$this->settings = $settings;
}
/**
* Creates and returns a rule.
*
* @param string|null $key The rule key.
* @return DisplayRule
*/
public function rule( string $key = null ): DisplayRule {
if ( null === $key ) {
$key = '_rule_' . ( (string) count( $this->rules ) );
}
$rule = new DisplayRule( $key, $this->settings );
$this->rules[ $key ] = $rule;
return $rule;
}
}