elementor / core / base / elements-iteration-actions / assets.php

assets.php in Elementor Website Builder – more than just a page builder 3.27.4, at core/base/elements-iteration-actions/assets.php

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1	<?php
2	namespace Elementor\Core\Base\Elements_Iteration_Actions;
3
4	use Elementor\Conditions;
5	use Elementor\Element_Base;
6	use Elementor\Plugin;
7
8	if ( ! defined( 'ABSPATH' ) ) {
9	exit; // Exit if accessed directly
10	}
11
12	class Assets extends Base {
13	const ASSETS_META_KEY = '_elementor_page_assets';
14
15	// Default value must be empty.
16	private $page_assets;
17
18	// Default value must be empty.
19	private $saved_page_assets;
20
21	public function element_action( Element_Base $element_data ) {
22	$settings = $element_data->get_active_settings();
23	$controls = $element_data->get_controls();
24
25	$element_assets = $this->get_assets( $settings, $controls );
26
27	$element_assets_depend = [
28	'styles' => $element_data->get_style_depends(),
29	'scripts' => $element_data->get_script_depends(),
30	];
31
32	if ( $element_assets_depend ) {
33	foreach ( $element_assets_depend as $assets_type => $assets ) {
34	if ( empty( $assets ) ) {
35	continue;
36	}
37
38	if ( ! isset( $element_assets[ $assets_type ] ) ) {
39	$element_assets[ $assets_type ] = [];
40	}
41
42	foreach ( $assets as $asset_name ) {
43	if ( ! in_array( $asset_name, $element_assets[ $assets_type ], true ) ) {
44	$element_assets[ $assets_type ][] = $asset_name;
45	}
46	}
47	}
48	}
49
50	if ( $element_assets ) {
51	$this->update_page_assets( $element_assets );
52	}
53	}
54
55	public function is_action_needed() {
56	// No need to evaluate in preview mode, will be made in the saving process.
57	if ( Plugin::$instance->preview->is_preview_mode() ) {
58	return false;
59	}
60
61	$page_assets = $this->get_saved_page_assets();
62
63	// When $page_assets is array it means that the assets registration has already been made at least once.
64	if ( is_array( $page_assets ) ) {
65	return false;
66	}
67
68	return true;
69	}
70
71	public function after_elements_iteration() {
72	// In case that the page assets value is empty, it should still be saved as an empty array as an indication that at lease one iteration has occurred.
73	if ( ! is_array( $this->page_assets ) ) {
74	$this->page_assets = [];
75	}
76
77	$this->get_document_assets();
78
79	// Saving the page assets data.
80	$this->document->update_meta( self::ASSETS_META_KEY, $this->page_assets );
81
82	if ( 'render' === $this->mode && $this->page_assets ) {
83	Plugin::$instance->assets_loader->enable_assets( $this->page_assets );
84	}
85	}
86
87	private function get_saved_page_assets( $force_meta_fetch = false ) {
88	if ( ! is_array( $this->saved_page_assets ) \|\| $force_meta_fetch ) {
89	$this->saved_page_assets = $this->document->get_meta( self::ASSETS_META_KEY );
90	}
91
92	return $this->saved_page_assets;
93	}
94
95	private function update_page_assets( $new_assets ) {
96	if ( ! is_array( $this->page_assets ) ) {
97	$this->page_assets = [];
98	}
99
100	foreach ( $new_assets as $assets_type => $assets_type_data ) {
101	if ( ! isset( $this->page_assets[ $assets_type ] ) ) {
102	$this->page_assets[ $assets_type ] = [];
103	}
104
105	foreach ( $assets_type_data as $asset_name ) {
106	if ( ! in_array( $asset_name, $this->page_assets[ $assets_type ], true ) ) {
107	$this->page_assets[ $assets_type ][] = $asset_name;
108	}
109	}
110	}
111	}
112
113	private function get_assets( $settings, $controls ) {
114	$assets = [];
115
116	foreach ( $settings as $setting_key => $setting ) {
117	if ( ! isset( $controls[ $setting_key ] ) ) {
118	continue;
119	}
120
121	$control = $controls[ $setting_key ];
122
123	// Enabling assets loading from the registered control fields.
124	if ( ! empty( $control['assets'] ) ) {
125	foreach ( $control['assets'] as $assets_type => $dependencies ) {
126	foreach ( $dependencies as $dependency ) {
127	if ( ! empty( $dependency['conditions'] ) ) {
128	$is_condition_fulfilled = Conditions::check( $dependency['conditions'], $settings );
129
130	if ( ! $is_condition_fulfilled ) {
131	continue;
132	}
133	}
134
135	if ( ! isset( $assets[ $assets_type ] ) ) {
136	$assets[ $assets_type ] = [];
137	}
138
139	$assets[ $assets_type ][] = $dependency['name'];
140	}
141	}
142	}
143
144	// Enabling assets loading from the control object.
145	$control_obj = Plugin::$instance->controls_manager->get_control( $control['type'] );
146
147	$control_conditional_assets = $control_obj::get_assets( $setting );
148
149	if ( $control_conditional_assets ) {
150	foreach ( $control_conditional_assets as $assets_type => $dependencies ) {
151	foreach ( $dependencies as $dependency ) {
152	if ( ! isset( $assets[ $assets_type ] ) ) {
153	$assets[ $assets_type ] = [];
154	}
155
156	$assets[ $assets_type ][] = $dependency;
157	}
158	}
159	}
160	}
161
162	return $assets;
163	}
164
165	private function get_document_assets() {
166	$document_id = $this->document->get_post()->ID;
167
168	// Getting the document instance in order to get the most updated settings.
169	$updated_document = Plugin::$instance->documents->get( $document_id, false );
170
171	$document_settings = $updated_document->get_settings();
172
173	$document_controls = $this->document->get_controls();
174
175	$document_assets = $this->get_assets( $document_settings, $document_controls );
176
177	if ( $document_assets ) {
178	$this->update_page_assets( $document_assets );
179	}
180	}
181
182	public function __construct( $document ) {
183	parent::__construct( $document );
184
185	// No need to enable assets in preview mode, all assets will be loaded by default by the assets loader.
186	if ( Plugin::$instance->preview->is_preview_mode() ) {
187	return;
188	}
189
190	$page_assets = $this->get_saved_page_assets();
191
192	// If $page_assets is not empty then enabling the assets for loading.
193	if ( $page_assets ) {
194	Plugin::$instance->assets_loader->enable_assets( $page_assets );
195	}
196	}
197	}
198