learnpress / inc / Gutenberg / Blocks / AbstractBlockType.php

AbstractBlockType.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.7, at inc/Gutenberg/Blocks/AbstractBlockType.php

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1	<?php
2	namespace LearnPress\Gutenberg\Blocks;
3
4	use LearnPress\Gutenberg\Utils\StyleAttributes;
5	use WP_Block;
6	use WP_Block_Type;
7
8	/**
9	* Class AbstractBlockType
10	*
11	* Handle register, render block template
12	*/
13	abstract class AbstractBlockType extends WP_Block_Type {
14	public $namespace = 'learnpress';
15	public $textdomain = 'learnpress';
16	public $api_version = 3;
17	/**
18	* @var string block name - Field of LP.
19	*/
20	public $block_name = '';
21	/**
22	* @var string path of the file run js - Field of LP.
23	*/
24	public $source_js = '';
25	/**
26	* Metadata of block.
27	* @var string path of the file block.js - Field of LP.
28	*/
29	public $path_block_json = '';
30	/**
31	* @var string Screen Template want to display - Field of LP
32	*/
33	public $display_on_templates = [];
34	/**
35	* Tracks if assets have been enqueued.
36	*
37	* @var boolean
38	*/
39	protected $enqueued_assets = false;
40	/**
41	* @var string Class hash - Field of LP
42	*/
43	protected $class_hash = '';
44
45	public function __construct() {
46	$this->source_js = $this->get_source_js();
47	parent::__construct( $this->get_block_type() );
48	$this->editor_script_handles = $this->get_editor_script_handles();
49	$this->render_callback = $this->get_render_callback();
50	$this->supports = $this->get_supports();
51	$this->attributes = $this->get_attributes();
52	$this->ancestor = $this->get_ancestor();
53	$this->provides_context = $this->get_provides_context();
54	}
55
56	/**
57	* Set to name block.
58	* Or set path js handle of block.
59	* For Backend
60	*
61	* @return string[]
62	*/
63	protected function get_editor_script_handles(): array {
64	return [ $this->name ];
65	}
66
67	/**
68	* Set render callback for block.
69	*
70	* @return array
71	*/
72	protected function get_render_callback(): array {
73	return [ $this, 'render_content_block_template' ];
74	}
75
76	/**
77	* Get supports.
78	*
79	* @return array\|null
80	*/
81	protected function get_supports() {
82	return null;
83	}
84
85	/**
86	* Get supports.
87	*
88	* @return array\|null
89	*/
90	protected function get_ancestor() {
91	return null;
92	}
93
94	/**
95	* Get supports.
96	*
97	* @return array\|null
98	*/
99	protected function get_provides_context() {
100	return null;
101	}
102
103	/**
104	* Render content of block tag
105	*
106	* @param array $attributes \| Attributes of block tag.
107	* @param string $content
108	* @param WP_Block $block
109	*
110	* @return string
111	*/
112	abstract public function render_content_block_template( array $attributes, $content, $block ): string;
113
114	protected function enqueue_assets() {
115	if ( $this->enqueued_assets ) {
116	return;
117	}
118	wp_enqueue_style( 'lp-blocks-style', get_stylesheet_uri() );
119	$this->enqueued_assets = true;
120	}
121
122	protected function get_block_type() {
123	return $this->namespace . '/' . $this->block_name;
124	}
125
126	protected function get_source_js() {
127	return LP_PLUGIN_URL . 'assets/js/dist/blocks/' . $this->block_name . '.js';
128	}
129
130	protected function get_class_hash() {
131	$hash = bin2hex( random_bytes( 16 ) );
132	$timestamp = time();
133	$this->class_hash = 'lp-elements-' . $timestamp . '-' . $hash;
134	}
135
136	/**
137	* Wrap content in a block tag.
138	* Will get the attributes, supports, classes... from the block.
139	* The block's supports must be configured in both block.json and PHP to be consistent.
140	* If method generate not provide enough to handle special logic, you can override this method.
141	*
142	* @param string $content
143	* @param string $tag
144	* @param array $extra_attributes
145	*
146	* @return string
147	*/
148	protected function get_output( string $content, string $tag = 'div', array $extra_attributes = [] ): string {
149	$wrapper = get_block_wrapper_attributes( $extra_attributes );
150	return sprintf(
151	"<$tag %s>%s</$tag>",
152	$wrapper,
153	$content
154	);
155	}
156
157	protected function get_output_with_class_hash( $attributes, $content, $properties = array(), $exclude = array() ) {
158	$output = '';
159	$class_hash = $this->class_hash ?? '';
160	$classes = $attributes['className'] ?? '';
161	$border_classes_and_styles = StyleAttributes::get_classes_and_styles_by_attributes( $attributes, $properties, $exclude );
162	$class_default = 'wp-block-' . $this->namespace . '-' . $this->block_name;
163	$class = $class_default ? $class_default : '';
164	$style = '';
165
166	if ( ! empty( $classes ) ) {
167	$class .= ' ' . $classes;
168	}
169
170	if ( ! empty( $class_hash ) ) {
171	$class .= ' ' . $class_hash;
172	}
173
174	if ( ! empty( $border_classes_and_styles['classes'] ) ) {
175	$class .= ' ' . $border_classes_and_styles['classes'];
176	}
177
178	if ( ! empty( $border_classes_and_styles['classes'] ) ) {
179	$style = sprintf( 'style="%s"', $border_classes_and_styles['styles'] );
180	}
181
182	ob_start();
183	echo sprintf(
184	'<div class="%s" %s>%s</div>',
185	$class,
186	$style,
187	$content
188	);
189	$output = ob_get_clean();
190	return $output;
191	}
192	}
193