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<?php
namespace Elementor\Core\Base;
use Elementor\Plugin;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Elementor module.
*
* An abstract class that provides the needed properties and methods to
* manage and handle modules in inheriting classes.
*
* @since 1.7.0
* @abstract
*/
abstract class Module extends Base_Object {
/**
* Module class reflection.
*
* Holds the information about a class.
*
* @since 1.7.0
* @access private
*
* @var \ReflectionClass
*/
private $reflection;
/**
* Module components.
*
* Holds the module components.
*
* @since 1.7.0
* @access private
*
* @var array
*/
private $components = [];
/**
* Module instance.
*
* Holds the module instance.
*
* @since 1.7.0
* @access protected
*
* @var Module
*/
protected static $_instances = [];
/**
* Get module name.
*
* Retrieve the module name.
*
* @since 1.7.0
* @access public
* @abstract
*
* @return string Module name.
*/
abstract public function get_name();
/**
* Instance.
*
* Ensures only one instance of the module class is loaded or can be loaded.
*
* @since 1.7.0
* @access public
* @static
*
* @return $this An instance of the class.
*/
public static function instance() {
$class_name = static::class_name();
if ( empty( static::$_instances[ $class_name ] ) ) {
static::$_instances[ $class_name ] = new static();
}
return static::$_instances[ $class_name ];
}
/**
* @since 2.0.0
* @access public
* @static
*/
public static function is_active() {
return true;
}
/**
* Class name.
*
* Retrieve the name of the class.
*
* @since 1.7.0
* @access public
* @static
*/
public static function class_name() {
return get_called_class();
}
public static function get_experimental_data() {
return [];
}
/**
* Clone.
*
* Disable class cloning and throw an error on object clone.
*
* The whole idea of the singleton design pattern is that there is a single
* object. Therefore, we don't want the object to be cloned.
*
* @since 1.7.0
* @access public
*/
public function __clone() {
_doing_it_wrong(
__FUNCTION__,
sprintf( 'Cloning instances of the singleton "%s" class is forbidden.', get_class( $this ) ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
'1.0.0'
);
}
/**
* Wakeup.
*
* Disable unserializing of the class.
*
* @since 1.7.0
* @access public
*/
public function __wakeup() {
_doing_it_wrong(
__FUNCTION__,
sprintf( 'Unserializing instances of the singleton "%s" class is forbidden.', get_class( $this ) ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
'1.0.0'
);
}
/**
* @since 2.0.0
* @access public
*/
public function get_reflection() {
if ( null === $this->reflection ) {
$this->reflection = new \ReflectionClass( $this );
}
return $this->reflection;
}
/**
* Add module component.
*
* Add new component to the current module.
*
* @since 1.7.0
* @access public
*
* @param string $id Component ID.
* @param mixed $instance An instance of the component.
*/
public function add_component( $id, $instance ) {
$this->components[ $id ] = $instance;
}
/**
* @since 2.3.0
* @access public
* @return Module[]
*/
public function get_components() {
return $this->components;
}
/**
* Get module component.
*
* Retrieve the module component.
*
* @since 1.7.0
* @access public
*
* @param string $id Component ID.
*
* @return mixed An instance of the component, or `false` if the component
* doesn't exist.
*/
public function get_component( $id ) {
if ( isset( $this->components[ $id ] ) ) {
return $this->components[ $id ];
}
return false;
}
/**
* Get assets url.
*
* @since 2.3.0
* @access protected
*
* @param string $file_name
* @param string $file_extension
* @param string $relative_url Optional. Default is null.
* @param string $add_min_suffix Optional. Default is 'default'.
*
* @return string
*/
final protected function get_assets_url( $file_name, $file_extension, $relative_url = null, $add_min_suffix = 'default' ) {
static $is_test_mode = null;
if ( null === $is_test_mode ) {
$is_test_mode = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG || defined( 'ELEMENTOR_TESTS' ) && ELEMENTOR_TESTS;
}
if ( ! $relative_url ) {
$relative_url = $this->get_assets_relative_url() . $file_extension . '/';
}
$url = $this->get_assets_base_url() . $relative_url . $file_name;
if ( 'default' === $add_min_suffix ) {
$add_min_suffix = ! $is_test_mode;
}
if ( $add_min_suffix ) {
$url .= '.min';
}
return $url . '.' . $file_extension;
}
/**
* Get js assets url
*
* @since 2.3.0
* @access protected
*
* @param string $file_name
* @param string $relative_url Optional. Default is null.
* @param string $add_min_suffix Optional. Default is 'default'.
*
* @return string
*/
final protected function get_js_assets_url( $file_name, $relative_url = null, $add_min_suffix = 'default' ) {
return $this->get_assets_url( $file_name, 'js', $relative_url, $add_min_suffix );
}
/**
* Get css assets url
*
* @since 2.3.0
* @access protected
*
* @param string $file_name
* @param string $relative_url Optional. Default is null.
* @param string $add_min_suffix Optional. Default is 'default'.
* @param bool $add_direction_suffix Optional. Default is `false`
*
* @return string
*/
final protected function get_css_assets_url( $file_name, $relative_url = null, $add_min_suffix = 'default', $add_direction_suffix = false ) {
static $direction_suffix = null;
if ( ! $direction_suffix ) {
$direction_suffix = is_rtl() ? '-rtl' : '';
}
if ( $add_direction_suffix ) {
$file_name .= $direction_suffix;
}
return $this->get_assets_url( $file_name, 'css', $relative_url, $add_min_suffix );
}
/**
* Get Frontend File URL
*
* Returns the URL for the CSS file to be loaded in the front end. If requested via the second parameter, a custom
* file is generated based on a passed template file name. Otherwise, the URL for the default CSS file is returned.
*
* @since 3.24.0
*
* @access public
*
* @param string $file_name
* @param boolean $has_custom_breakpoints
*
* @return string frontend file URL
*/
public function get_frontend_file_url( $file_name, $has_custom_breakpoints ) {
return Plugin::$instance->frontend->get_frontend_file_url( $file_name, $has_custom_breakpoints );
}
/**
* Get assets base url
*
* @since 2.6.0
* @access protected
*
* @return string
*/
protected function get_assets_base_url() {
return ELEMENTOR_URL;
}
/**
* Get assets relative url
*
* @since 2.3.0
* @access protected
*
* @return string
*/
protected function get_assets_relative_url() {
return 'assets/';
}
/**
* Get the module's associated widgets.
*
* @return string[]
*/
protected function get_widgets() {
return [];
}
/**
* Initialize the module related widgets.
*/
public function init_widgets() {
$widget_manager = Plugin::instance()->widgets_manager;
foreach ( $this->get_widgets() as $widget ) {
$class_name = $this->get_reflection()->getNamespaceName() . '\Widgets\\' . $widget;
$widget_manager->register( new $class_name() );
}
}
public function __construct() {
add_action( 'elementor/widgets/register', [ $this, 'init_widgets' ] );
}
}
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