elementor / core / base / module.php

module.php in Elementor Website Builder – more than just a page builder 3.16.0-dev1, at core/base/module.php

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1	<?php
2	namespace Elementor\Core\Base;
3
4	use Elementor\Plugin;
5
6	if ( ! defined( 'ABSPATH' ) ) {
7	exit; // Exit if accessed directly.
8	}
9
10	/**
11	* Elementor module.
12	*
13	* An abstract class that provides the needed properties and methods to
14	* manage and handle modules in inheriting classes.
15	*
16	* @since 1.7.0
17	* @abstract
18	*/
19	abstract class Module extends Base_Object {
20
21	/**
22	* Module class reflection.
23	*
24	* Holds the information about a class.
25	*
26	* @since 1.7.0
27	* @access private
28	*
29	* @var \ReflectionClass
30	*/
31	private $reflection;
32
33	/**
34	* Module components.
35	*
36	* Holds the module components.
37	*
38	* @since 1.7.0
39	* @access private
40	*
41	* @var array
42	*/
43	private $components = [];
44
45	/**
46	* Module instance.
47	*
48	* Holds the module instance.
49	*
50	* @since 1.7.0
51	* @access protected
52	*
53	* @var Module
54	*/
55	protected static $_instances = [];
56
57	/**
58	* Get module name.
59	*
60	* Retrieve the module name.
61	*
62	* @since 1.7.0
63	* @access public
64	* @abstract
65	*
66	* @return string Module name.
67	*/
68	abstract public function get_name();
69
70	/**
71	* Instance.
72	*
73	* Ensures only one instance of the module class is loaded or can be loaded.
74	*
75	* @since 1.7.0
76	* @access public
77	* @static
78	*
79	* @return Module An instance of the class.
80	*/
81	public static function instance() {
82	$class_name = static::class_name();
83
84	if ( empty( static::$_instances[ $class_name ] ) ) {
85	static::$_instances[ $class_name ] = new static();
86	}
87
88	return static::$_instances[ $class_name ];
89	}
90
91	/**
92	* @since 2.0.0
93	* @access public
94	* @static
95	*/
96	public static function is_active() {
97	return true;
98	}
99
100	/**
101	* Class name.
102	*
103	* Retrieve the name of the class.
104	*
105	* @since 1.7.0
106	* @access public
107	* @static
108	*/
109	public static function class_name() {
110	return get_called_class();
111	}
112
113	public static function get_experimental_data() {
114	return [];
115	}
116
117	/**
118	* Clone.
119	*
120	* Disable class cloning and throw an error on object clone.
121	*
122	* The whole idea of the singleton design pattern is that there is a single
123	* object. Therefore, we don't want the object to be cloned.
124	*
125	* @since 1.7.0
126	* @access public
127	*/
128	public function __clone() {
129	_doing_it_wrong(
130	__FUNCTION__,
131	sprintf( 'Cloning instances of the singleton "%s" class is forbidden.', get_class( $this ) ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
132	'1.0.0'
133	);
134	}
135
136	/**
137	* Wakeup.
138	*
139	* Disable unserializing of the class.
140	*
141	* @since 1.7.0
142	* @access public
143	*/
144	public function __wakeup() {
145	_doing_it_wrong(
146	__FUNCTION__,
147	sprintf( 'Unserializing instances of the singleton "%s" class is forbidden.', get_class( $this ) ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
148	'1.0.0'
149	);
150	}
151
152	/**
153	* @since 2.0.0
154	* @access public
155	*/
156	public function get_reflection() {
157	if ( null === $this->reflection ) {
158	$this->reflection = new \ReflectionClass( $this );
159	}
160
161	return $this->reflection;
162	}
163
164	/**
165	* Add module component.
166	*
167	* Add new component to the current module.
168	*
169	* @since 1.7.0
170	* @access public
171	*
172	* @param string $id Component ID.
173	* @param mixed $instance An instance of the component.
174	*/
175	public function add_component( $id, $instance ) {
176	$this->components[ $id ] = $instance;
177	}
178
179	/**
180	* @since 2.3.0
181	* @access public
182	* @return Module[]
183	*/
184	public function get_components() {
185	return $this->components;
186	}
187
188	/**
189	* Get module component.
190	*
191	* Retrieve the module component.
192	*
193	* @since 1.7.0
194	* @access public
195	*
196	* @param string $id Component ID.
197	*
198	* @return mixed An instance of the component, or `false` if the component
199	* doesn't exist.
200	*/
201	public function get_component( $id ) {
202	if ( isset( $this->components[ $id ] ) ) {
203	return $this->components[ $id ];
204	}
205
206	return false;
207	}
208
209	/**
210	* Get assets url.
211	*
212	* @since 2.3.0
213	* @access protected
214	*
215	* @param string $file_name
216	* @param string $file_extension
217	* @param string $relative_url Optional. Default is null.
218	* @param string $add_min_suffix Optional. Default is 'default'.
219	*
220	* @return string
221	*/
222	final protected function get_assets_url( $file_name, $file_extension, $relative_url = null, $add_min_suffix = 'default' ) {
223	static $is_test_mode = null;
224
225	if ( null === $is_test_mode ) {
226	$is_test_mode = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG \|\| defined( 'ELEMENTOR_TESTS' ) && ELEMENTOR_TESTS;
227	}
228
229	if ( ! $relative_url ) {
230	$relative_url = $this->get_assets_relative_url() . $file_extension . '/';
231	}
232
233	$url = $this->get_assets_base_url() . $relative_url . $file_name;
234
235	if ( 'default' === $add_min_suffix ) {
236	$add_min_suffix = ! $is_test_mode;
237	}
238
239	if ( $add_min_suffix ) {
240	$url .= '.min';
241	}
242
243	return $url . '.' . $file_extension;
244	}
245
246	/**
247	* Get js assets url
248	*
249	* @since 2.3.0
250	* @access protected
251	*
252	* @param string $file_name
253	* @param string $relative_url Optional. Default is null.
254	* @param string $add_min_suffix Optional. Default is 'default'.
255	*
256	* @return string
257	*/
258	final protected function get_js_assets_url( $file_name, $relative_url = null, $add_min_suffix = 'default' ) {
259	return $this->get_assets_url( $file_name, 'js', $relative_url, $add_min_suffix );
260	}
261
262	/**
263	* Get css assets url
264	*
265	* @since 2.3.0
266	* @access protected
267	*
268	* @param string $file_name
269	* @param string $relative_url Optional. Default is null.
270	* @param string $add_min_suffix Optional. Default is 'default'.
271	* @param bool $add_direction_suffix Optional. Default is `false`
272	*
273	* @return string
274	*/
275	final protected function get_css_assets_url( $file_name, $relative_url = null, $add_min_suffix = 'default', $add_direction_suffix = false ) {
276	static $direction_suffix = null;
277
278	if ( ! $direction_suffix ) {
279	$direction_suffix = is_rtl() ? '-rtl' : '';
280	}
281
282	if ( $add_direction_suffix ) {
283	$file_name .= $direction_suffix;
284	}
285
286	return $this->get_assets_url( $file_name, 'css', $relative_url, $add_min_suffix );
287	}
288
289	/**
290	* Get assets base url
291	*
292	* @since 2.6.0
293	* @access protected
294	*
295	* @return string
296	*/
297	protected function get_assets_base_url() {
298	return ELEMENTOR_URL;
299	}
300
301	/**
302	* Get assets relative url
303	*
304	* @since 2.3.0
305	* @access protected
306	*
307	* @return string
308	*/
309	protected function get_assets_relative_url() {
310	return 'assets/';
311	}
312
313	/**
314	* Get the module's associated widgets.
315	*
316	* @return string[]
317	*/
318	protected function get_widgets() {
319	return [];
320	}
321
322	/**
323	* Initialize the module related widgets.
324	*/
325	public function init_widgets() {
326	$widget_manager = Plugin::instance()->widgets_manager;
327
328	foreach ( $this->get_widgets() as $widget ) {
329	$class_name = $this->get_reflection()->getNamespaceName() . '\Widgets\\' . $widget;
330
331	$widget_manager->register( new $class_name() );
332	}
333	}
334
335	public function __construct() {
336	add_action( 'elementor/widgets/register', [ $this, 'init_widgets' ] );
337	}
338	}
339