merchant / admin / classes / admin-options / class-merchant-field-registry.php

class-merchant-field-registry.php in Product Labels, Quick View, Buy Now, Pre-Orders, Frequently Bought Together & More for WooCommerce – Merchant 2.3.2, at admin/classes/admin-options/class-merchant-field-registry.php

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1	<?php
2	/**
3	* Merchant Field Registry.
4	*
5	* Singleton registry that maps field type strings to their corresponding
6	* field classes. Uses an explicit array for field registration.
7	*
8	* @package Merchant
9	* @since 2.2.5
10	*/
11
12	if ( ! defined( 'ABSPATH' ) ) {
13	exit; // Exit if accessed directly
14	}
15
16	/**
17	* Merchant_Field_Registry
18	*
19	* @since 2.2.5
20	*/
21	class Merchant_Field_Registry {
22
23	/**
24	* The single class instance.
25	*
26	* @since 2.2.5
27	* @var Merchant_Field_Registry\|null
28	*/
29	private static $instance = null;
30
31	/**
32	* Registered field types.
33	* Maps type string => class name.
34	*
35	* @since 2.2.5
36	* @var array<string, string>
37	*/
38	private $types = array();
39
40	/**
41	* Get the singleton instance.
42	*
43	* @since 2.2.5
44	*
45	* @return Merchant_Field_Registry
46	*/
47	public static function instance() {
48	if ( is_null( self::$instance ) ) {
49	self::$instance = new self();
50	}
51
52	return self::$instance;
53	}
54
55	/**
56	* Reset the singleton instance.
57	*
58	* Clears the cached instance so a fresh one is created
59	* on the next {@see instance()} call. Intended for unit tests.
60	*
61	* @since 2.2.5
62	*
63	* @return void
64	*/
65	public static function reset(): void {
66	self::$instance = null;
67	}
68
69	/**
70	* Constructor.
71	*
72	* Loads field classes from an explicit registry array and builds the type map.
73	*
74	* @since 2.2.5
75	*/
76	private function __construct() {
77	$base_path = MERCHANT_DIR . 'admin/classes/admin-options/fields';
78
79	/**
80	* Core field type definitions.
81	*
82	* Each entry maps a type key to its class name and file path.
83	* Format: type_key => [ 'class' => ClassName, 'file' => absolute_path ]
84	*
85	* @since 2.2.5
86	*/
87	$field_types = array(
88	'text' => array(
89	'class' => 'Merchant_Field_Text',
90	'file' => $base_path . '/text/class-merchant-field-text.php',
91	),
92	'number' => array(
93	'class' => 'Merchant_Field_Number',
94	'file' => $base_path . '/number/class-merchant-field-number.php',
95	),
96	'url' => array(
97	'class' => 'Merchant_Field_Url',
98	'file' => $base_path . '/url/class-merchant-field-url.php',
99	),
100	'textarea' => array(
101	'class' => 'Merchant_Field_Textarea',
102	'file' => $base_path . '/textarea/class-merchant-field-textarea.php',
103	),
104	'textarea_multiline' => array(
105	'class' => 'Merchant_Field_Textarea_Multiline',
106	'file' => $base_path . '/textarea-multiline/class-merchant-field-textarea-multiline.php',
107	),
108	'textarea_code' => array(
109	'class' => 'Merchant_Field_Textarea_Code',
110	'file' => $base_path . '/textarea-code/class-merchant-field-textarea-code.php',
111	),
112	'text_readonly' => array(
113	'class' => 'Merchant_Field_Text_Readonly',
114	'file' => $base_path . '/text-readonly/class-merchant-field-text-readonly.php',
115	),
116	'color' => array(
117	'class' => 'Merchant_Field_Color',
118	'file' => $base_path . '/color/class-merchant-field-color.php',
119	),
120	'range' => array(
121	'class' => 'Merchant_Field_Range',
122	'file' => $base_path . '/range/class-merchant-field-range.php',
123	),
124	'date_time' => array(
125	'class' => 'Merchant_Field_Date_Time',
126	'file' => $base_path . '/date-time/class-merchant-field-date-time.php',
127	),
128	'select' => array(
129	'class' => 'Merchant_Field_Select',
130	'file' => $base_path . '/select/class-merchant-field-select.php',
131	),
132	'select_ajax' => array(
133	'class' => 'Merchant_Field_Select_Ajax',
134	'file' => $base_path . '/select-ajax/class-merchant-field-select-ajax.php',
135	),
136	'select_size_chart' => array(
137	'class' => 'Merchant_Field_Select_Size_Chart',
138	'file' => $base_path . '/select-size-chart/class-merchant-field-select-size-chart.php',
139	),
140	'radio' => array(
141	'class' => 'Merchant_Field_Radio',
142	'file' => $base_path . '/radio/class-merchant-field-radio.php',
143	),
144	'radio_alt' => array(
145	'class' => 'Merchant_Field_Radio_Alt',
146	'file' => $base_path . '/radio-alt/class-merchant-field-radio-alt.php',
147	),
148	'buttons' => array(
149	'class' => 'Merchant_Field_Buttons',
150	'file' => $base_path . '/buttons/class-merchant-field-buttons.php',
151	),
152	'buttons_alt' => array(
153	'class' => 'Merchant_Field_Buttons_Alt',
154	'file' => $base_path . '/buttons-alt/class-merchant-field-buttons-alt.php',
155	),
156	'buttons_content' => array(
157	'class' => 'Merchant_Field_Buttons_Content',
158	'file' => $base_path . '/buttons-content/class-merchant-field-buttons-content.php',
159	),
160	'image_picker' => array(
161	'class' => 'Merchant_Field_Image_Picker',
162	'file' => $base_path . '/image-picker/class-merchant-field-image-picker.php',
163	),
164	'choices' => array(
165	'class' => 'Merchant_Field_Choices',
166	'file' => $base_path . '/choices/class-merchant-field-choices.php',
167	),
168	'switcher' => array(
169	'class' => 'Merchant_Field_Switcher',
170	'file' => $base_path . '/switcher/class-merchant-field-switcher.php',
171	),
172	'checkbox' => array(
173	'class' => 'Merchant_Field_Checkbox',
174	'file' => $base_path . '/checkbox/class-merchant-field-checkbox.php',
175	),
176	'checkbox_multiple' => array(
177	'class' => 'Merchant_Field_Checkbox_Multiple',
178	'file' => $base_path . '/checkbox-multiple/class-merchant-field-checkbox-multiple.php',
179	),
180	'dimensions' => array(
181	'class' => 'Merchant_Field_Dimensions',
182	'file' => $base_path . '/dimensions/class-merchant-field-dimensions.php',
183	),
184	'responsive_dimensions' => array(
185	'class' => 'Merchant_Field_Responsive_Dimensions',
186	'file' => $base_path . '/responsive-dimensions/class-merchant-field-responsive-dimensions.php',
187	),
188	'sortable' => array(
189	'class' => 'Merchant_Field_Sortable',
190	'file' => $base_path . '/sortable/class-merchant-field-sortable.php',
191	),
192	'sortable_repeater' => array(
193	'class' => 'Merchant_Field_Sortable_Repeater',
194	'file' => $base_path . '/sortable-repeater/class-merchant-field-sortable-repeater.php',
195	),
196	'sortable_repeater_icons' => array(
197	'class' => 'Merchant_Field_Sortable_Repeater_Icons',
198	'file' => $base_path . '/sortable-repeater-icons/class-merchant-field-sortable-repeater-icons.php',
199	),
200	'upload' => array(
201	'class' => 'Merchant_Field_Upload',
202	'file' => $base_path . '/upload/class-merchant-field-upload.php',
203	),
204	'gallery' => array(
205	'class' => 'Merchant_Field_Gallery',
206	'file' => $base_path . '/gallery/class-merchant-field-gallery.php',
207	),
208	'hook_select' => array(
209	'class' => 'Merchant_Field_Hook_Select',
210	'file' => $base_path . '/hook-select/class-merchant-field-hook-select.php',
211	),
212	'create_page' => array(
213	'class' => 'Merchant_Field_Create_Page',
214	'file' => $base_path . '/create-page/class-merchant-field-create-page.php',
215	),
216	'products_selector' => array(
217	'class' => 'Merchant_Field_Products_Selector',
218	'file' => $base_path . '/products-selector/class-merchant-field-products-selector.php',
219	),
220	'reviews_selector' => array(
221	'class' => 'Merchant_Field_Reviews_Selector',
222	'file' => $base_path . '/reviews-selector/class-merchant-field-reviews-selector.php',
223	),
224	'wc_coupons' => array(
225	'class' => 'Merchant_Field_Wc_Coupons',
226	'file' => $base_path . '/wc-coupons/class-merchant-field-wc-coupons.php',
227	),
228	'flexible_content' => array(
229	'class' => 'Merchant_Field_Flexible_Content',
230	'file' => $base_path . '/flexible-content/class-merchant-field-flexible-content.php',
231	),
232	'fields_group' => array(
233	'class' => 'Merchant_Field_Fields_Group',
234	'file' => $base_path . '/fields-group/class-merchant-field-fields-group.php',
235	),
236	'content' => array(
237	'class' => 'Merchant_Field_Content',
238	'file' => $base_path . '/content/class-merchant-field-content.php',
239	),
240	'divider' => array(
241	'class' => 'Merchant_Field_Divider',
242	'file' => $base_path . '/divider/class-merchant-field-divider.php',
243	),
244	'info' => array(
245	'class' => 'Merchant_Field_Info',
246	'file' => $base_path . '/info/class-merchant-field-info.php',
247	),
248	'info_block' => array(
249	'class' => 'Merchant_Field_Info_Block',
250	'file' => $base_path . '/info-block/class-merchant-field-info-block.php',
251	),
252	'warning' => array(
253	'class' => 'Merchant_Field_Warning',
254	'file' => $base_path . '/warning/class-merchant-field-warning.php',
255	),
256	'custom_callback' => array(
257	'class' => 'Merchant_Field_Custom_Callback',
258	'file' => $base_path . '/custom-callback/class-merchant-field-custom-callback.php',
259	),
260	);
261
262	/**
263	* Filter: register, override, or remove field types.
264	*
265	* Allows 3rd-party plugins and Merchant Pro to register custom field types
266	* or override existing ones.
267	*
268	* Expected format: array( 'type_key' => array( 'class' => 'ClassName', 'file' => '/path/to/file.php' ) )
269	*
270	* @since 2.2.5
271	*
272	* @param array<string, array<string, string>> $field_types Map of type key => config array.
273	*/
274	$field_types = apply_filters( 'merchant_field_types', $field_types );
275
276	// Load and register each field type.
277	foreach ( $field_types as $type_key => $config ) {
278	if ( ! empty( $config['file'] ) && file_exists( $config['file'] ) ) {
279	require_once $config['file'];
280	}
281
282	if ( ! empty( $config['class'] ) && class_exists( $config['class'] ) ) {
283	$this->register( $type_key, $config['class'] );
284	}
285	}
286	}
287
288	/**
289	* Check if a field type is registered.
290	*
291	* @since 2.2.5
292	*
293	* @param string $type The field type string.
294	*
295	* @return bool
296	*/
297	public function has( $type ) {
298	return isset( $this->types[ $type ] );
299	}
300
301	/**
302	* Create a field instance for the given type.
303	*
304	* @since 2.2.5
305	*
306	* @param string $type The field type string.
307	* @param array<string, mixed> $field The field configuration array.
308	* @param mixed $value The current saved value.
309	* @param string $module_id The module ID.
310	*
311	* @return Merchant_Field_Interface\|null The field instance, or null if type is unknown and text fallback unavailable.
312	*/
313	public function create( $type, $field, $value = null, $module_id = '' ) {
314	if ( ! $this->has( $type ) ) {
315	_doing_it_wrong(
316	__METHOD__,
317	sprintf(
318	/* translators: %s: field type */
319	'Unknown field type "%s". Falling back to text field.',
320	esc_html( $type )
321	),
322	'2.2.5'
323	);
324
325	// Fallback to text field if available, otherwise return a basic instance.
326	if ( $this->has( 'text' ) ) {
327	$class = $this->types['text'];
328
329	/** @var Merchant_Field_Interface $instance */
330	$instance = new $class( $field, $value, $module_id );
331
332	return $instance;
333	}
334
335	// If even text is not registered, this is an early bootstrap call.
336	return null;
337	}
338
339	$class = $this->types[ $type ];
340
341	/** @var Merchant_Field_Interface $instance */
342	$instance = new $class( $field, $value, $module_id );
343
344	return $instance;
345	}
346
347	/**
348	* Get all registered types.
349	*
350	* @since 2.2.5
351	*
352	* @return array<string, string> Map of type => class name.
353	*/
354	public function get_types() {
355	return $this->types;
356	}
357
358	/**
359	* Register a field type manually.
360	*
361	* Used internally and by the merchant_field_types filter.
362	*
363	* @since 2.2.5
364	*
365	* @param string $type The field type string.
366	* @param string $class_name The fully qualified class name.
367	*
368	* @return void
369	*/
370	public function register( $type, $class_name ) {
371	$this->types[ $type ] = $class_name;
372	}
373	}
374