| 1 |
<?php |
| 2 |
/** |
| 3 |
* The typography settings |
| 4 |
* |
| 5 |
* @package BoldBlocks |
| 6 |
* @author Phi Phan <mrphipv@gmail.com> |
| 7 |
* @copyright Copyright (c) 2022, Phi Phan |
| 8 |
*/ |
| 9 |
|
| 10 |
namespace BoldBlocks; |
| 11 |
|
| 12 |
// Exit if accessed directly. |
| 13 |
defined( 'ABSPATH' ) || exit; |
| 14 |
|
| 15 |
if ( ! class_exists( Typography::class ) ) : |
| 16 |
/** |
| 17 |
* The controller class for typography settings. |
| 18 |
*/ |
| 19 |
class Typography extends CoreComponent { |
| 20 |
/** |
| 21 |
* Run main hooks |
| 22 |
* |
| 23 |
* @return void |
| 24 |
*/ |
| 25 |
public function run() { |
| 26 |
// Register setting fields. |
| 27 |
add_action( 'init', [ $this, 'register_setting_fields' ] ); |
| 28 |
|
| 29 |
// Add rest api endpoint to query google fonts. |
| 30 |
add_action( 'rest_api_init', [ $this, 'register_google_fonts_endpoint' ] ); |
| 31 |
|
| 32 |
// Load typography style. |
| 33 |
add_action( 'wp_enqueue_scripts', [ $this, 'enqueue_frontend_typography_scripts' ], PHP_INT_MAX ); |
| 34 |
add_action( 'enqueue_block_assets', [ $this, 'enqueue_block_editor_typography_scripts' ] ); |
| 35 |
|
| 36 |
add_filter( 'wp_resource_hints', [ $this, 'preconnect_fonts' ], 10, 2 ); |
| 37 |
add_action( 'wp_head', [ $this, 'preload_fonts' ], 5 ); |
| 38 |
|
| 39 |
// Add body class. |
| 40 |
add_filter( 'body_class', [ $this, 'add_typography_to_body_class' ] ); |
| 41 |
} |
| 42 |
|
| 43 |
/** |
| 44 |
* Register custom setting fields |
| 45 |
* |
| 46 |
* @return void |
| 47 |
*/ |
| 48 |
public function register_setting_fields() { |
| 49 |
// Setting fields. |
| 50 |
register_setting( |
| 51 |
'boldblocks', |
| 52 |
'boldblocks_enable_typography', |
| 53 |
[ |
| 54 |
'type' => 'boolean', |
| 55 |
'show_in_rest' => [ |
| 56 |
'name' => 'EnableTypography', |
| 57 |
], |
| 58 |
'default' => false, |
| 59 |
] |
| 60 |
); |
| 61 |
|
| 62 |
register_setting( |
| 63 |
'boldblocks', |
| 64 |
'boldblocks_use_bunny_fonts', |
| 65 |
[ |
| 66 |
'type' => 'boolean', |
| 67 |
'show_in_rest' => [ |
| 68 |
'name' => 'UseBunnyFonts', |
| 69 |
], |
| 70 |
'default' => false, |
| 71 |
] |
| 72 |
); |
| 73 |
|
| 74 |
register_setting( |
| 75 |
'boldblocks', |
| 76 |
'boldblocks_typography', |
| 77 |
[ |
| 78 |
'type' => 'object', |
| 79 |
'show_in_rest' => array( |
| 80 |
'name' => 'BoldBlocksTypography', |
| 81 |
'schema' => array( |
| 82 |
'type' => 'object', |
| 83 |
'properties' => array( |
| 84 |
'fonts' => array( |
| 85 |
'type' => 'string', |
| 86 |
), |
| 87 |
), |
| 88 |
'additionalProperties' => array( |
| 89 |
'type' => 'string', |
| 90 |
), |
| 91 |
), |
| 92 |
), |
| 93 |
] |
| 94 |
); |
| 95 |
|
| 96 |
register_meta( |
| 97 |
'post', |
| 98 |
'boldblocks_typography', |
| 99 |
[ |
| 100 |
'single' => true, |
| 101 |
'type' => 'object', |
| 102 |
'show_in_rest' => array( |
| 103 |
'name' => 'BoldBlocksTypography', |
| 104 |
'schema' => array( |
| 105 |
'type' => 'object', |
| 106 |
'additionalProperties' => array( |
| 107 |
'type' => 'string', |
| 108 |
), |
| 109 |
), |
| 110 |
), |
| 111 |
'auth_callback' => function () { |
| 112 |
return current_user_can( 'edit_posts' ); |
| 113 |
}, |
| 114 |
] |
| 115 |
); |
| 116 |
} |
| 117 |
|
| 118 |
/** |
| 119 |
* Build a custom endpoint to query google fonts. |
| 120 |
* |
| 121 |
* @return void |
| 122 |
*/ |
| 123 |
public function register_google_fonts_endpoint() { |
| 124 |
register_rest_route( |
| 125 |
'boldblocks/v1', |
| 126 |
'/getGoogleFonts/', |
| 127 |
array( |
| 128 |
'methods' => 'GET', |
| 129 |
'callback' => [ $this, 'get_google_fonts' ], |
| 130 |
'permission_callback' => function () { |
| 131 |
return current_user_can( 'publish_posts' ); |
| 132 |
}, |
| 133 |
) |
| 134 |
); |
| 135 |
} |
| 136 |
|
| 137 |
/** |
| 138 |
* Get google fonts. |
| 139 |
* |
| 140 |
* @param WP_REST_Request $request The request object. |
| 141 |
* @return void |
| 142 |
*/ |
| 143 |
public function get_google_fonts( $request ) { |
| 144 |
// fonts file path. |
| 145 |
$fonts_file = $this->the_plugin_instance->get_file_path( 'data/fonts/google-fonts.json' ); |
| 146 |
|
| 147 |
// Send the error if the fonts file is not exists. |
| 148 |
if ( ! \file_exists( $fonts_file ) ) { |
| 149 |
wp_send_json_error( __( 'The google-fonts.json file is not exists.', 'content-blocks-builder' ), 500 ); |
| 150 |
} |
| 151 |
|
| 152 |
// Parse json. |
| 153 |
$fonts = wp_json_file_decode( $fonts_file, [ 'associative' => true ] ); |
| 154 |
|
| 155 |
wp_send_json( |
| 156 |
[ |
| 157 |
'data' => $fonts, |
| 158 |
'success' => true, |
| 159 |
] |
| 160 |
); |
| 161 |
} |
| 162 |
|
| 163 |
/** |
| 164 |
* Enqueue scripts for typography |
| 165 |
* |
| 166 |
* @return void |
| 167 |
*/ |
| 168 |
public function enqueue_frontend_typography_scripts() { |
| 169 |
$post_id = 0; |
| 170 |
|
| 171 |
if ( is_singular() ) { |
| 172 |
$post_id = get_queried_object_id(); |
| 173 |
} |
| 174 |
|
| 175 |
// Enqueue custom fonts. |
| 176 |
$this->enqueue_custom_fonts( $post_id ); |
| 177 |
} |
| 178 |
|
| 179 |
/** |
| 180 |
* Enqueue typography for editor |
| 181 |
* |
| 182 |
* @return void |
| 183 |
*/ |
| 184 |
public function enqueue_block_editor_typography_scripts() { |
| 185 |
if ( ! is_admin() ) { |
| 186 |
return; |
| 187 |
} |
| 188 |
|
| 189 |
global $post; |
| 190 |
|
| 191 |
$screen = get_current_screen(); |
| 192 |
$is_editor = $screen->is_block_editor; |
| 193 |
|
| 194 |
// Bail if it's not a page that has block editor. |
| 195 |
if ( ! $is_editor ) { |
| 196 |
return; |
| 197 |
} |
| 198 |
|
| 199 |
$post_id = $screen->base === 'post' && $post ? $post->ID : 0; |
| 200 |
|
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// Enqueue custom fonts. |
| 202 |
$this->enqueue_custom_fonts( $post_id, $is_editor ); |
| 203 |
} |
| 204 |
|
| 205 |
/** |
| 206 |
* Enqueue custom fonts |
| 207 |
* |
| 208 |
* @param int $post_id |
| 209 |
* @param boolean $is_editor |
| 210 |
* @return void |
| 211 |
*/ |
| 212 |
private function enqueue_custom_fonts( $post_id, $is_editor = false ) { |
| 213 |
$use_bunny_fonts = get_option( 'boldblocks_use_bunny_fonts' ); |
| 214 |
|
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$fonts_url = $this->get_fonts_url( $post_id, $use_bunny_fonts ); |
| 216 |
if ( $fonts_url ) { |
| 217 |
$prefix = $is_editor ? 'https:' : ''; |
| 218 |
$service_url = $use_bunny_fonts ? '//fonts.bunny.net/css?family=' : '//fonts.googleapis.com/css2?'; |
| 219 |
wp_enqueue_style( 'boldblocks-custom-fonts', $prefix . $service_url . $fonts_url, [], null ); |
| 220 |
|
| 221 |
$typography_style = $this->get_typography_style( $post_id, $is_editor ); |
| 222 |
wp_add_inline_style( 'boldblocks-custom-fonts', $typography_style ); |
| 223 |
|
| 224 |
if ( $is_editor ) { |
| 225 |
$wp_styles = wp_styles(); |
| 226 |
$custom_blocks = $wp_styles->query( $this->the_plugin_instance->get_component( CustomBlocks::class )->custom_blocks_handle, 'registered' ); |
| 227 |
|
| 228 |
if ( $custom_blocks ) { |
| 229 |
$custom_blocks->deps[] = 'boldblocks-custom-fonts'; |
| 230 |
} |
| 231 |
} |
| 232 |
} |
| 233 |
} |
| 234 |
|
| 235 |
/** |
| 236 |
* Add preconnect for font service. |
| 237 |
* |
| 238 |
* @param array $urls URLs to print for resource hints. |
| 239 |
* @param string $relation_type The relation type the URLs are printed. |
| 240 |
* @return array $urls URLs to print for resource hints. |
| 241 |
*/ |
| 242 |
public function preconnect_fonts( $urls, $relation_type ) { |
| 243 |
if ( wp_style_is( 'boldblocks-custom-fonts', 'queue' ) && 'preconnect' === $relation_type ) { |
| 244 |
$use_bunny_fonts = get_option( 'boldblocks_use_bunny_fonts' ); |
| 245 |
|
| 246 |
$urls[] = array( |
| 247 |
'href' => $use_bunny_fonts ? '//fonts.bunny.net' : '//fonts.gstatic.com', |
| 248 |
'crossorigin', |
| 249 |
); |
| 250 |
} |
| 251 |
|
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return $urls; |
| 253 |
} |
| 254 |
|
| 255 |
/** |
| 256 |
* Add preload for fonts. |
| 257 |
* |
| 258 |
* @return void |
| 259 |
*/ |
| 260 |
public function preload_fonts() { |
| 261 |
$wp_styles = wp_styles(); |
| 262 |
$style = $wp_styles->query( 'boldblocks-custom-fonts', 'registered' ); |
| 263 |
|
| 264 |
if ( $style ) { |
| 265 |
echo "<link rel='preload' as='style' href='{$style->src}'/>"; |
| 266 |
} |
| 267 |
} |
| 268 |
|
| 269 |
/** |
| 270 |
* Load google fonts |
| 271 |
* |
| 272 |
* @param int $post_id |
| 273 |
* @param boolean $use_bunny_fonts |
| 274 |
* @return void |
| 275 |
*/ |
| 276 |
private function get_fonts_url( $post_id, $use_bunny_fonts ) { |
| 277 |
$typography = $this->get_custom_typography( $post_id ); |
| 278 |
|
| 279 |
if ( ! $typography ) { |
| 280 |
return; |
| 281 |
} |
| 282 |
|
| 283 |
$family_urls = []; |
| 284 |
|
| 285 |
$body = $typography['body'] ?? []; |
| 286 |
$body_font_family = $body['fontFamily'] ?? ''; |
| 287 |
$body_font_variants = $body['fontVariants'] ?? []; |
| 288 |
|
| 289 |
$body_font_url = $this->get_font_url( $body_font_family, $body_font_variants, $use_bunny_fonts ); |
| 290 |
if ( $body_font_url ) { |
| 291 |
$family_urls[] = $body_font_url; |
| 292 |
} |
| 293 |
|
| 294 |
$headings = $typography['headings'] ?? []; |
| 295 |
$headings_font_family = $headings['fontFamily'] ?? ''; |
| 296 |
$headings_font_variants = $headings['fontVariants'] ?? []; |
| 297 |
|
| 298 |
$headings_font_url = $this->get_font_url( $headings_font_family, $headings_font_variants, $use_bunny_fonts ); |
| 299 |
if ( $headings_font_url ) { |
| 300 |
$family_urls[] = $headings_font_url; |
| 301 |
} |
| 302 |
|
| 303 |
if ( count( $family_urls ) > 0 ) { |
| 304 |
$glue = $use_bunny_fonts ? '|' : '&'; |
| 305 |
return implode( $glue, $family_urls ) . '&display=swap'; |
| 306 |
} |
| 307 |
|
| 308 |
return; |
| 309 |
} |
| 310 |
|
| 311 |
/** |
| 312 |
* Get font url |
| 313 |
* |
| 314 |
* @param string $font_family |
| 315 |
* @param array $font_variants |
| 316 |
* @param boolean $use_bunny_fonts |
| 317 |
* @return string |
| 318 |
*/ |
| 319 |
private function get_font_url( $font_family, $font_variants, $use_bunny_fonts ) { |
| 320 |
$family_url = ''; |
| 321 |
|
| 322 |
if ( $font_family ) { |
| 323 |
$family_url = $use_bunny_fonts ? \str_replace( ' ', '+', $font_family ) : 'family=' . \str_replace( ' ', '+', $font_family ); |
| 324 |
if ( $font_variants ) { |
| 325 |
if ( ! $use_bunny_fonts ) { |
| 326 |
usort( |
| 327 |
$font_variants, |
| 328 |
function( $val1, $val2 ) { |
| 329 |
$val1_has_italic = strpos( $val1, 'italic' ) !== false; |
| 330 |
$val2_has_italic = strpos( $val2, 'italic' ) !== false; |
| 331 |
|
| 332 |
if ( $val1_has_italic && ! $val2_has_italic ) { |
| 333 |
return 1; |
| 334 |
} elseif ( ! $val1_has_italic && $val2_has_italic ) { |
| 335 |
return -1; |
| 336 |
} |
| 337 |
|
| 338 |
return strcmp( $val1, $val2 ); |
| 339 |
} |
| 340 |
); |
| 341 |
$family_url .= ':ital,wght@'; |
| 342 |
foreach ( $font_variants as $variant ) { |
| 343 |
if ( strpos( $variant, 'italic' ) === false ) { |
| 344 |
$family_url .= '0,' . $variant . ';'; |
| 345 |
} else { |
| 346 |
$family_url .= '1,' . str_replace( 'italic', '', $variant ) . ';'; |
| 347 |
} |
| 348 |
} |
| 349 |
} else { |
| 350 |
$family_url .= array_reduce( |
| 351 |
$font_variants, |
| 352 |
function ( $accumulator, $item ) { |
| 353 |
$variant = \str_replace( 'italic', 'i', $item ); |
| 354 |
if ( empty( $accumulator ) ) { |
| 355 |
$accumulator = ':' . $variant; |
| 356 |
} else { |
| 357 |
$accumulator .= ',' . $variant; |
| 358 |
} |
| 359 |
|
| 360 |
return $accumulator; |
| 361 |
}, |
| 362 |
'' |
| 363 |
); |
| 364 |
} |
| 365 |
} |
| 366 |
} |
| 367 |
|
| 368 |
return trim( $family_url, ';' ); |
| 369 |
} |
| 370 |
|
| 371 |
/** |
| 372 |
* Build typography style |
| 373 |
* |
| 374 |
* @param int $post_id |
| 375 |
* @param boolean $is_editor |
| 376 |
* @return string |
| 377 |
*/ |
| 378 |
private function get_typography_style( $post_id = 0, $is_editor = false ) { |
| 379 |
$typography = $this->get_custom_typography( $post_id ); |
| 380 |
|
| 381 |
if ( ! $typography ) { |
| 382 |
return; |
| 383 |
} |
| 384 |
|
| 385 |
$body = $this->get_typography_style_by_type( 'body', $typography['body'] ?? [], $is_editor ); |
| 386 |
$headings = $this->get_typography_style_by_type( 'headings', $typography['headings'] ?? [], $is_editor ); |
| 387 |
|
| 388 |
if ( $is_editor ) { |
| 389 |
$style = '.editor-styles-wrapper {' . $body['vars'] . $headings['vars'] . '}'; |
| 390 |
} else { |
| 391 |
$style = ':root {' . $body['vars'] . $headings['vars'] . '}'; |
| 392 |
} |
| 393 |
$style .= $body['style'] . $headings['style']; |
| 394 |
|
| 395 |
return $style; |
| 396 |
} |
| 397 |
|
| 398 |
/** |
| 399 |
* Build CSS variables and style by type |
| 400 |
* |
| 401 |
* @param string $type |
| 402 |
* @param array $type_values |
| 403 |
* @param boolean $is_editor |
| 404 |
* @return array |
| 405 |
*/ |
| 406 |
private function get_typography_style_by_type( $type, $type_values, $is_editor = false ) { |
| 407 |
$type_styles = []; |
| 408 |
$type_vars = []; |
| 409 |
|
| 410 |
if ( empty( $type_values ) ) { |
| 411 |
return [ |
| 412 |
'vars' => '', |
| 413 |
'style' => '', |
| 414 |
]; |
| 415 |
} |
| 416 |
|
| 417 |
$editor_selector = '.editor-styles-wrapper .is-root-container'; |
| 418 |
$frontend_selector = '.has-boldblocks-typography'; |
| 419 |
|
| 420 |
$font_family = '--cbb--' . $type . '--font-family'; |
| 421 |
$type_styles[] = '.' . $type . '-font-family { font-family: var(' . $font_family . ') !important; }'; |
| 422 |
|
| 423 |
if ( 'headings' !== $type ) { |
| 424 |
$selector = $type === 'body' ? 'body' : '.' . $type; |
| 425 |
if ( $is_editor ) { |
| 426 |
$selector = 'body' === $type ? "{$editor_selector}, {$editor_selector} p" : "{$editor_selector} ." . $type; |
| 427 |
} else { |
| 428 |
$selector = 'body' === $type ? "{$selector}, {$frontend_selector} p" : "{$frontend_selector} {$selector}"; |
| 429 |
} |
| 430 |
$type_styles[] = $selector . ' {'; |
| 431 |
if ( $type_values['fontFamily'] ?? '' ) { |
| 432 |
$type_vars[] = $font_family . ': "' . $type_values['fontFamily'] . '", ' . ( $type_values['genericFamily'] ?? 'sans-serif' ) . ';'; |
| 433 |
$type_styles[] = 'font-family: var(' . $font_family . ');'; |
| 434 |
} |
| 435 |
|
| 436 |
$type_styles[] = '}'; |
| 437 |
} else { |
| 438 |
if ( $type_values['fontFamily'] ?? '' ) { |
| 439 |
if ( $is_editor ) { |
| 440 |
$type_styles[] = ".editor-styles-wrapper .wp-block.wp-block-post-title, {$editor_selector} h1, {$editor_selector} .h1, {$editor_selector} h2, {$editor_selector} .h2, {$editor_selector} h3, {$editor_selector} .h3, {$editor_selector} h4, {$editor_selector} .h4, {$editor_selector} h5, {$editor_selector} .h5, {$editor_selector} h6, {$editor_selector} .h6 {"; |
| 441 |
} else { |
| 442 |
$type_styles[] = "{$frontend_selector} h1,{$frontend_selector} .h1,{$frontend_selector} h2,{$frontend_selector} .h2,{$frontend_selector} h3,{$frontend_selector} .h3,{$frontend_selector} h4,{$frontend_selector} .h4,{$frontend_selector} h5,{$frontend_selector} .h5,{$frontend_selector} h6,{$frontend_selector} .h6 {"; |
| 443 |
} |
| 444 |
$type_vars[] = $font_family . ':"' . $type_values['fontFamily'] . '", ' . ( $type_values['genericFamily'] ?? 'sans-serif' ) . ';'; |
| 445 |
$type_styles[] = 'font-family: var(' . $font_family . ');'; |
| 446 |
$type_styles[] = '} '; |
| 447 |
} |
| 448 |
} |
| 449 |
|
| 450 |
return [ |
| 451 |
'vars' => \implode( '', $type_vars ), |
| 452 |
'style' => \implode( '', $type_styles ), |
| 453 |
]; |
| 454 |
} |
| 455 |
|
| 456 |
/** |
| 457 |
* Check whether current site support custom typography |
| 458 |
* |
| 459 |
* @param int $post_id |
| 460 |
* @return mixed |
| 461 |
*/ |
| 462 |
private function get_custom_typography( $post_id = 0 ) { |
| 463 |
$enable_typography = get_option( 'boldblocks_enable_typography' ); |
| 464 |
|
| 465 |
if ( ! $enable_typography ) { |
| 466 |
return false; |
| 467 |
} |
| 468 |
|
| 469 |
$typography_raw = $post_id > 0 ? get_post_meta( $post_id, 'boldblocks_typography', true ) : false; |
| 470 |
if ( empty( $typography_raw ) || ! is_array( $typography_raw ) || empty( $typography_raw['fonts'] ) ) { |
| 471 |
$typography_raw = \get_option( 'boldblocks_typography' ); |
| 472 |
} |
| 473 |
|
| 474 |
if ( ! is_array( $typography_raw ) || empty( $typography_raw['fonts'] ) ) { |
| 475 |
return; |
| 476 |
} |
| 477 |
|
| 478 |
$fonts = $typography_raw ? \json_decode( $typography_raw['fonts'], true ) : ''; |
| 479 |
|
| 480 |
if ( empty( $fonts ) ) { |
| 481 |
return; |
| 482 |
} |
| 483 |
|
| 484 |
return $fonts; |
| 485 |
} |
| 486 |
|
| 487 |
/** |
| 488 |
* Add a custom css class to body for typography |
| 489 |
* |
| 490 |
* @param array $classes |
| 491 |
* @return string |
| 492 |
*/ |
| 493 |
public function add_typography_to_body_class( $classes ) { |
| 494 |
$enable_typography = get_option( 'boldblocks_enable_typography' ); |
| 495 |
|
| 496 |
if ( $enable_typography ) { |
| 497 |
$classes[] = 'has-boldblocks-typography'; |
| 498 |
} |
| 499 |
|
| 500 |
return $classes; |
| 501 |
} |
| 502 |
} |
| 503 |
endif; |
| 504 |
|
