-
Notifications
You must be signed in to change notification settings - Fork 146
/
class-coblocks-register-blocks.php
219 lines (183 loc) · 6.2 KB
/
class-coblocks-register-blocks.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
<?php
/**
* Register blocks.
*
* @package CoBlocks
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Load registration for our blocks.
*
* @since 1.6.0
*/
class CoBlocks_Register_Blocks {
/**
* This plugin's instance.
*
* @var CoBlocks_Register_Blocks
*/
private static $instance;
/**
* This plugin's CoBlocks Form class instance.
*
* @var CoBlocks_Form
*/
private static $coblocks_form;
/**
* Registers the plugin.
*
* @return CoBlocks_Register_Blocks
*/
public static function register() {
if ( null === self::$instance ) {
self::$instance = new CoBlocks_Register_Blocks();
require_once COBLOCKS_PLUGIN_DIR . 'includes/class-coblocks-form.php';
self::$coblocks_form = new CoBlocks_Form();
}
return self::$instance;
}
/**
* The Plugin slug.
*
* @var string $slug
*/
private $slug;
/**
* The Constructor.
*/
public function __construct() {
$this->slug = 'coblocks';
add_action( 'init', array( $this, 'register_blocks' ), 99 );
}
/**
* Get the path of the block metadata file (block.json) for a given block.
*
* @param string $block_name The name of the block to look for.
* @param bool $is_child_block A flag indicating whether the block is a child block or not.
*
* @return string|array The path to the block metadata file, or an array of paths if not found.
*/
public function get_block_metadata_path( $block_name, $is_child_block ) {
$blocks_base_path = COBLOCKS_PLUGIN_DIR . 'src/blocks/';
$path_pattern = $is_child_block ? '*/' . $block_name . '/block.json' : $block_name . '/block.json';
$file_glob = glob( $blocks_base_path . $path_pattern, GLOB_NOSORT );
if ( $is_child_block && ! isset( $file_glob[0] ) ) {
$file_glob = glob( $blocks_base_path . '*/' . $path_pattern, GLOB_NOSORT );
}
return isset( $file_glob[0] ) ? $file_glob[0] : $file_glob;
}
/**
* Load block metadata from block.json file.
*
* @param string $block_name The name of the block.
* @param bool $is_child_block Optional. Set to true if it's a child block. Default false.
*
* @return array The block metadata or an empty JSON object if no content is found.
*/
public function load_block_metadata( $block_name, $is_child_block = false ) {
$file_path = $this->get_block_metadata_path( $block_name, $is_child_block );
$metadata = json_decode( '{}', true );
if ( file_exists( $file_path ) ) {
ob_start();
include $file_path;
$file_metadata = json_decode( ob_get_clean(), true );
$metadata = $file_metadata;
}
return $metadata;
}
/**
* Some blocks are conditionally registered this function determines if block should be conditional.
* Returns true if restricted and false otherwise.
*
* @param string $path The path to the block.json file.
* @return bool
*/
public function is_excluded_block_filepaths( $path ) {
$restricted = array( '/gallery-masonry/v1' );
foreach ( $restricted as $r ) {
if ( strpos( $path, $r ) !== false ) {
return true;
}
}
return false;
}
/**
* Build a block manifest. The resulting array is used to register blocks and parses block.json files.
* For now we need to collect the `render` property from the block.json files and require manually.
*
* @return array The block manifest or an empty array if no content is found.
*/
public function load_block_manifest() {
$block_json_paths = array(
COBLOCKS_PLUGIN_DIR . 'src/blocks/*/block.json',
COBLOCKS_PLUGIN_DIR . 'src/blocks/*/*/block.json',
COBLOCKS_PLUGIN_DIR . 'src/blocks/form/fields/*/block.json',
);
$manifest = array();
foreach ( $block_json_paths as $block_json_path ) {
$block_json_files = glob( $block_json_path, GLOB_NOSORT );
foreach ( $block_json_files as $block_json_file ) {
// We conditionally load some block for backward compat.
if ( $this->is_excluded_block_filepaths( $block_json_file ) ) {
continue;
}
$block_json = json_decode( file_get_contents( $block_json_file ), true );
$manifest[ $block_json['name'] ]['path'] = str_replace( '/block.json', '', $block_json_file );
if ( isset( $block_json['render'] ) ) {
$manifest[ $block_json['name'] ]['render_callback'] = $block_json['render'];
}
}
}
return $manifest;
}
/**
* Add actions to enqueue assets.
*
* @access public
*/
public function register_blocks() {
// Return early if this function does not exist.
if ( ! function_exists( 'register_block_type' ) ) {
return;
}
// Shortcut for the slug.
$slug = $this->slug;
$blocks = $this->load_block_manifest();
foreach ( $blocks as $block_name => $block_options ) {
// Bulk styles for blocks. `style-coblocks-1` AKA `coblocks-frontend`.
// We need to split the styles and specify the handle for each block in the block.json file.
// For now we have all style files combined into either editor or frontend styles.
$default_options = array(
'editor_style' => $slug . '-editor',
'style' => $slug . '-frontend',
);
// Block has a render_callback defined.
if ( isset( $block_options['render_callback'] ) ) {
// Include the render_callback.
$render_callback_require_path = $block_options['path'] . '/' . $block_options['render_callback'];
if ( file_exists( $render_callback_require_path ) ) {
require_once $render_callback_require_path;
}
$render_callback_block_name = str_replace( array( '-', '/' ), array( '_', '_' ), $block_name );
$render_callback_handle = "coblocks_render_{$render_callback_block_name}_block";
// Most SSR blocks have render_callback defined in the block index.php.
if ( function_exists( $render_callback_handle ) ) {
$default_options['render_callback'] = $render_callback_handle;
}
// Some blocks like Form and child Field blocks have render_callback defined in the CoBlocks_Form class.
if ( class_exists( 'CoBlocks_Form' ) && method_exists( 'CoBlocks_Form', $render_callback_handle ) ) {
$default_options['render_callback'] = array( self::$coblocks_form, $render_callback_handle );
}
}
// Register the block.
register_block_type(
$block_options['path'] . '/block.json',
$default_options
);
}
}
}
CoBlocks_Register_Blocks::register();