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1 <?php 2 /** 3 * Block Editor API. 4 * 5 * @package WordPress 6 * @subpackage Editor 7 * @since 5.8.0 8 */ 9 10 /** 11 * Returns the list of default categories for block types. 12 * 13 * @since 5.8.0 14 * @since 6.3.0 Reusable Blocks renamed to Patterns. 15 * 16 * @return array[] Array of categories for block types. 17 */ 18 function get_default_block_categories() { 19 return array( 20 array( 21 'slug' => 'text', 22 'title' => _x( 'Text', 'block category' ), 23 'icon' => null, 24 ), 25 array( 26 'slug' => 'media', 27 'title' => _x( 'Media', 'block category' ), 28 'icon' => null, 29 ), 30 array( 31 'slug' => 'design', 32 'title' => _x( 'Design', 'block category' ), 33 'icon' => null, 34 ), 35 array( 36 'slug' => 'widgets', 37 'title' => _x( 'Widgets', 'block category' ), 38 'icon' => null, 39 ), 40 array( 41 'slug' => 'theme', 42 'title' => _x( 'Theme', 'block category' ), 43 'icon' => null, 44 ), 45 array( 46 'slug' => 'embed', 47 'title' => _x( 'Embeds', 'block category' ), 48 'icon' => null, 49 ), 50 array( 51 'slug' => 'reusable', 52 'title' => _x( 'Patterns', 'block category' ), 53 'icon' => null, 54 ), 55 ); 56 } 57 58 /** 59 * Returns all the categories for block types that will be shown in the block editor. 60 * 61 * @since 5.0.0 62 * @since 5.8.0 It is possible to pass the block editor context as param. 63 * 64 * @param WP_Post|WP_Block_Editor_Context $post_or_block_editor_context The current post object or 65 * the block editor context. 66 * 67 * @return array[] Array of categories for block types. 68 */ 69 function get_block_categories( $post_or_block_editor_context ) { 70 $block_categories = get_default_block_categories(); 71 $block_editor_context = $post_or_block_editor_context instanceof WP_Post ? 72 new WP_Block_Editor_Context( 73 array( 74 'post' => $post_or_block_editor_context, 75 ) 76 ) : $post_or_block_editor_context; 77 78 /** 79 * Filters the default array of categories for block types. 80 * 81 * @since 5.8.0 82 * 83 * @param array[] $block_categories Array of categories for block types. 84 * @param WP_Block_Editor_Context $block_editor_context The current block editor context. 85 */ 86 $block_categories = apply_filters( 'block_categories_all', $block_categories, $block_editor_context ); 87 88 if ( ! empty( $block_editor_context->post ) ) { 89 $post = $block_editor_context->post; 90 91 /** 92 * Filters the default array of categories for block types. 93 * 94 * @since 5.0.0 95 * @deprecated 5.8.0 Use the {@see 'block_categories_all'} filter instead. 96 * 97 * @param array[] $block_categories Array of categories for block types. 98 * @param WP_Post $post Post being loaded. 99 */ 100 $block_categories = apply_filters_deprecated( 'block_categories', array( $block_categories, $post ), '5.8.0', 'block_categories_all' ); 101 } 102 103 return $block_categories; 104 } 105 106 /** 107 * Gets the list of allowed block types to use in the block editor. 108 * 109 * @since 5.8.0 110 * 111 * @param WP_Block_Editor_Context $block_editor_context The current block editor context. 112 * 113 * @return bool|string[] Array of block type slugs, or boolean to enable/disable all. 114 */ 115 function get_allowed_block_types( $block_editor_context ) { 116 $allowed_block_types = true; 117 118 /** 119 * Filters the allowed block types for all editor types. 120 * 121 * @since 5.8.0 122 * 123 * @param bool|string[] $allowed_block_types Array of block type slugs, or boolean to enable/disable all. 124 * Default true (all registered block types supported). 125 * @param WP_Block_Editor_Context $block_editor_context The current block editor context. 126 */ 127 $allowed_block_types = apply_filters( 'allowed_block_types_all', $allowed_block_types, $block_editor_context ); 128 129 if ( ! empty( $block_editor_context->post ) ) { 130 $post = $block_editor_context->post; 131 132 /** 133 * Filters the allowed block types for the editor. 134 * 135 * @since 5.0.0 136 * @deprecated 5.8.0 Use the {@see 'allowed_block_types_all'} filter instead. 137 * 138 * @param bool|string[] $allowed_block_types Array of block type slugs, or boolean to enable/disable all. 139 * Default true (all registered block types supported) 140 * @param WP_Post $post The post resource data. 141 */ 142 $allowed_block_types = apply_filters_deprecated( 'allowed_block_types', array( $allowed_block_types, $post ), '5.8.0', 'allowed_block_types_all' ); 143 } 144 145 return $allowed_block_types; 146 } 147 148 /** 149 * Returns the default block editor settings. 150 * 151 * @since 5.8.0 152 * 153 * @return array The default block editor settings. 154 */ 155 function get_default_block_editor_settings() { 156 // Media settings. 157 158 // wp_max_upload_size() can be expensive, so only call it when relevant for the current user. 159 $max_upload_size = 0; 160 if ( current_user_can( 'upload_files' ) ) { 161 $max_upload_size = wp_max_upload_size(); 162 if ( ! $max_upload_size ) { 163 $max_upload_size = 0; 164 } 165 } 166 167 /** This filter is documented in wp-admin/includes/media.php */ 168 $image_size_names = apply_filters( 169 'image_size_names_choose', 170 array( 171 'thumbnail' => __( 'Thumbnail' ), 172 'medium' => __( 'Medium' ), 173 'large' => __( 'Large' ), 174 'full' => __( 'Full Size' ), 175 ) 176 ); 177 178 $available_image_sizes = array(); 179 foreach ( $image_size_names as $image_size_slug => $image_size_name ) { 180 $available_image_sizes[] = array( 181 'slug' => $image_size_slug, 182 'name' => $image_size_name, 183 ); 184 } 185 186 $default_size = get_option( 'image_default_size', 'large' ); 187 $image_default_size = in_array( $default_size, array_keys( $image_size_names ), true ) ? $default_size : 'large'; 188 189 $image_dimensions = array(); 190 $all_sizes = wp_get_registered_image_subsizes(); 191 foreach ( $available_image_sizes as $size ) { 192 $key = $size['slug']; 193 if ( isset( $all_sizes[ $key ] ) ) { 194 $image_dimensions[ $key ] = $all_sizes[ $key ]; 195 } 196 } 197 198 // These styles are used if the "no theme styles" options is triggered or on 199 // themes without their own editor styles. 200 $default_editor_styles_file = ABSPATH . WPINC . '/css/dist/block-editor/default-editor-styles.css'; 201 202 static $default_editor_styles_file_contents = false; 203 if ( ! $default_editor_styles_file_contents && file_exists( $default_editor_styles_file ) ) { 204 $default_editor_styles_file_contents = file_get_contents( $default_editor_styles_file ); 205 } 206 207 $default_editor_styles = array(); 208 if ( $default_editor_styles_file_contents ) { 209 $default_editor_styles = array( 210 array( 'css' => $default_editor_styles_file_contents ), 211 ); 212 } 213 214 $editor_settings = array( 215 'alignWide' => get_theme_support( 'align-wide' ), 216 'allowedBlockTypes' => true, 217 'allowedMimeTypes' => get_allowed_mime_types(), 218 'defaultEditorStyles' => $default_editor_styles, 219 'blockCategories' => get_default_block_categories(), 220 'isRTL' => is_rtl(), 221 'imageDefaultSize' => $image_default_size, 222 'imageDimensions' => $image_dimensions, 223 'imageEditing' => true, 224 'imageSizes' => $available_image_sizes, 225 'maxUploadFileSize' => $max_upload_size, 226 '__experimentalDashboardLink' => admin_url( '/' ), 227 // The following flag is required to enable the new Gallery block format on the mobile apps in 5.9. 228 '__unstableGalleryWithImageBlocks' => true, 229 ); 230 231 $theme_settings = get_classic_theme_supports_block_editor_settings(); 232 foreach ( $theme_settings as $key => $value ) { 233 $editor_settings[ $key ] = $value; 234 } 235 236 return $editor_settings; 237 } 238 239 /** 240 * Returns the block editor settings needed to use the Legacy Widget block which 241 * is not registered by default. 242 * 243 * @since 5.8.0 244 * 245 * @return array Settings to be used with get_block_editor_settings(). 246 */ 247 function get_legacy_widget_block_editor_settings() { 248 $editor_settings = array(); 249 250 /** 251 * Filters the list of widget-type IDs that should **not** be offered by the 252 * Legacy Widget block. 253 * 254 * Returning an empty array will make all widgets available. 255 * 256 * @since 5.8.0 257 * 258 * @param string[] $widgets An array of excluded widget-type IDs. 259 */ 260 $editor_settings['widgetTypesToHideFromLegacyWidgetBlock'] = apply_filters( 261 'widget_types_to_hide_from_legacy_widget_block', 262 array( 263 'pages', 264 'calendar', 265 'archives', 266 'media_audio', 267 'media_image', 268 'media_gallery', 269 'media_video', 270 'search', 271 'text', 272 'categories', 273 'recent-posts', 274 'recent-comments', 275 'rss', 276 'tag_cloud', 277 'custom_html', 278 'block', 279 ) 280 ); 281 282 return $editor_settings; 283 } 284 285 /** 286 * Collect the block editor assets that need to be loaded into the editor's iframe. 287 * 288 * @since 6.0.0 289 * @access private 290 * 291 * @global WP_Styles $wp_styles The WP_Styles current instance. 292 * @global WP_Scripts $wp_scripts The WP_Scripts current instance. 293 * 294 * @return array { 295 * The block editor assets. 296 * 297 * @type string|false $styles String containing the HTML for styles. 298 * @type string|false $scripts String containing the HTML for scripts. 299 * } 300 */ 301 function _wp_get_iframed_editor_assets() { 302 global $wp_styles, $wp_scripts; 303 304 // Keep track of the styles and scripts instance to restore later. 305 $current_wp_styles = $wp_styles; 306 $current_wp_scripts = $wp_scripts; 307 308 // Create new instances to collect the assets. 309 $wp_styles = new WP_Styles(); 310 $wp_scripts = new WP_Scripts(); 311 312 /* 313 * Register all currently registered styles and scripts. The actions that 314 * follow enqueue assets, but don't necessarily register them. 315 */ 316 $wp_styles->registered = $current_wp_styles->registered; 317 $wp_scripts->registered = $current_wp_scripts->registered; 318 319 /* 320 * We generally do not need reset styles for the iframed editor. 321 * However, if it's a classic theme, margins will be added to every block, 322 * which is reset specifically for list items, so classic themes rely on 323 * these reset styles. 324 */ 325 $wp_styles->done = 326 wp_theme_has_theme_json() ? array( 'wp-reset-editor-styles' ) : array(); 327 328 wp_enqueue_script( 'wp-polyfill' ); 329 // Enqueue the `editorStyle` handles for all core block, and dependencies. 330 wp_enqueue_style( 'wp-edit-blocks' ); 331 332 if ( current_theme_supports( 'wp-block-styles' ) ) { 333 wp_enqueue_style( 'wp-block-library-theme' ); 334 } 335 336 /* 337 * We don't want to load EDITOR scripts in the iframe, only enqueue 338 * front-end assets for the content. 339 */ 340 add_filter( 'should_load_block_editor_scripts_and_styles', '__return_false' ); 341 do_action( 'enqueue_block_assets' ); 342 remove_filter( 'should_load_block_editor_scripts_and_styles', '__return_false' ); 343 344 $block_registry = WP_Block_Type_Registry::get_instance(); 345 346 /* 347 * Additionally, do enqueue `editorStyle` assets for all blocks, which 348 * contains editor-only styling for blocks (editor content). 349 */ 350 foreach ( $block_registry->get_all_registered() as $block_type ) { 351 if ( isset( $block_type->editor_style_handles ) && is_array( $block_type->editor_style_handles ) ) { 352 foreach ( $block_type->editor_style_handles as $style_handle ) { 353 wp_enqueue_style( $style_handle ); 354 } 355 } 356 } 357 358 /** 359 * Remove the deprecated `print_emoji_styles` handler. 360 * It avoids breaking style generation with a deprecation message. 361 */ 362 $has_emoji_styles = has_action( 'wp_print_styles', 'print_emoji_styles' ); 363 if ( $has_emoji_styles ) { 364 remove_action( 'wp_print_styles', 'print_emoji_styles' ); 365 } 366 367 ob_start(); 368 wp_print_styles(); 369 wp_print_font_faces(); 370 wp_print_font_faces_from_style_variations(); 371 $styles = ob_get_clean(); 372 373 if ( $has_emoji_styles ) { 374 add_action( 'wp_print_styles', 'print_emoji_styles' ); 375 } 376 377 ob_start(); 378 wp_print_head_scripts(); 379 wp_print_footer_scripts(); 380 $scripts = ob_get_clean(); 381 382 // Restore the original instances. 383 $wp_styles = $current_wp_styles; 384 $wp_scripts = $current_wp_scripts; 385 386 return array( 387 'styles' => $styles, 388 'scripts' => $scripts, 389 ); 390 } 391 392 /** 393 * Finds the first occurrence of a specific block in an array of blocks. 394 * 395 * @since 6.3.0 396 * 397 * @param array $blocks Array of blocks. 398 * @param string $block_name Name of the block to find. 399 * @return array Found block, or empty array if none found. 400 */ 401 function wp_get_first_block( $blocks, $block_name ) { 402 foreach ( $blocks as $block ) { 403 if ( $block_name === $block['blockName'] ) { 404 return $block; 405 } 406 if ( ! empty( $block['innerBlocks'] ) ) { 407 $found_block = wp_get_first_block( $block['innerBlocks'], $block_name ); 408 409 if ( ! empty( $found_block ) ) { 410 return $found_block; 411 } 412 } 413 } 414 415 return array(); 416 } 417 418 /** 419 * Retrieves Post Content block attributes from the current post template. 420 * 421 * @since 6.3.0 422 * @since 6.4.0 Return null if there is no post content block. 423 * @access private 424 * 425 * @global int $post_ID 426 * 427 * @return array|null Post Content block attributes array or null if Post Content block doesn't exist. 428 */ 429 function wp_get_post_content_block_attributes() { 430 global $post_ID; 431 432 $is_block_theme = wp_is_block_theme(); 433 434 if ( ! $is_block_theme || ! $post_ID ) { 435 return null; 436 } 437 438 $template_slug = get_page_template_slug( $post_ID ); 439 440 if ( ! $template_slug ) { 441 $post_slug = 'singular'; 442 $page_slug = 'singular'; 443 $template_types = get_block_templates(); 444 445 foreach ( $template_types as $template_type ) { 446 if ( 'page' === $template_type->slug ) { 447 $page_slug = 'page'; 448 } 449 if ( 'single' === $template_type->slug ) { 450 $post_slug = 'single'; 451 } 452 } 453 454 $what_post_type = get_post_type( $post_ID ); 455 switch ( $what_post_type ) { 456 case 'page': 457 $template_slug = $page_slug; 458 break; 459 default: 460 $template_slug = $post_slug; 461 break; 462 } 463 } 464 465 $current_template = get_block_templates( array( 'slug__in' => array( $template_slug ) ) ); 466 467 if ( ! empty( $current_template ) ) { 468 $template_blocks = parse_blocks( $current_template[0]->content ); 469 $post_content_block = wp_get_first_block( $template_blocks, 'core/post-content' ); 470 471 if ( isset( $post_content_block['attrs'] ) ) { 472 return $post_content_block['attrs']; 473 } 474 } 475 476 return null; 477 } 478 479 /** 480 * Returns the contextualized block editor settings for a selected editor context. 481 * 482 * @since 5.8.0 483 * 484 * @param array $custom_settings Custom settings to use with the given editor type. 485 * @param WP_Block_Editor_Context $block_editor_context The current block editor context. 486 * 487 * @return array The contextualized block editor settings. 488 */ 489 function get_block_editor_settings( array $custom_settings, $block_editor_context ) { 490 $editor_settings = array_merge( 491 get_default_block_editor_settings(), 492 array( 493 'allowedBlockTypes' => get_allowed_block_types( $block_editor_context ), 494 'blockCategories' => get_block_categories( $block_editor_context ), 495 ), 496 $custom_settings 497 ); 498 499 $editor_settings['__experimentalBlockBindingsSupportedAttributes'] = array(); 500 foreach ( array_keys( WP_Block_Type_Registry::get_instance()->get_all_registered() ) as $block_type ) { 501 $supported_block_attributes = get_block_bindings_supported_attributes( $block_type ); 502 if ( ! empty( $supported_block_attributes ) ) { 503 $editor_settings['__experimentalBlockBindingsSupportedAttributes'][ $block_type ] = $supported_block_attributes; 504 } 505 } 506 507 $global_styles = array(); 508 $presets = array( 509 array( 510 'css' => 'variables', 511 '__unstableType' => 'presets', 512 'isGlobalStyles' => true, 513 ), 514 array( 515 'css' => 'presets', 516 '__unstableType' => 'presets', 517 'isGlobalStyles' => true, 518 ), 519 ); 520 foreach ( $presets as $preset_style ) { 521 $actual_css = wp_get_global_stylesheet( array( $preset_style['css'] ) ); 522 if ( '' !== $actual_css ) { 523 $preset_style['css'] = $actual_css; 524 $global_styles[] = $preset_style; 525 } 526 } 527 528 if ( wp_theme_has_theme_json() ) { 529 $block_classes = array( 530 'css' => 'styles', 531 '__unstableType' => 'theme', 532 'isGlobalStyles' => true, 533 ); 534 $actual_css = wp_get_global_stylesheet( array( $block_classes['css'] ) ); 535 if ( '' !== $actual_css ) { 536 $block_classes['css'] = $actual_css; 537 $global_styles[] = $block_classes; 538 } 539 540 /* 541 * Add the custom CSS as a separate stylesheet so any invalid CSS 542 * entered by users does not break other global styles. 543 */ 544 $global_styles[] = array( 545 'css' => wp_get_global_stylesheet( array( 'custom-css' ) ), 546 '__unstableType' => 'user', 547 'isGlobalStyles' => true, 548 ); 549 } else { 550 // If there is no `theme.json` file, ensure base layout styles are still available. 551 $block_classes = array( 552 'css' => 'base-layout-styles', 553 '__unstableType' => 'base-layout', 554 'isGlobalStyles' => true, 555 ); 556 $actual_css = wp_get_global_stylesheet( array( $block_classes['css'] ) ); 557 if ( '' !== $actual_css ) { 558 $block_classes['css'] = $actual_css; 559 $global_styles[] = $block_classes; 560 } 561 } 562 563 $editor_settings['styles'] = array_merge( $global_styles, get_block_editor_theme_styles() ); 564 565 $editor_settings['__experimentalFeatures'] = wp_get_global_settings(); 566 // These settings may need to be updated based on data coming from theme.json sources. 567 if ( isset( $editor_settings['__experimentalFeatures']['color']['palette'] ) ) { 568 $colors_by_origin = $editor_settings['__experimentalFeatures']['color']['palette']; 569 $editor_settings['colors'] = isset( $colors_by_origin['custom'] ) ? 570 $colors_by_origin['custom'] : ( 571 isset( $colors_by_origin['theme'] ) ? 572 $colors_by_origin['theme'] : 573 $colors_by_origin['default'] 574 ); 575 } 576 if ( isset( $editor_settings['__experimentalFeatures']['color']['gradients'] ) ) { 577 $gradients_by_origin = $editor_settings['__experimentalFeatures']['color']['gradients']; 578 $editor_settings['gradients'] = isset( $gradients_by_origin['custom'] ) ? 579 $gradients_by_origin['custom'] : ( 580 isset( $gradients_by_origin['theme'] ) ? 581 $gradients_by_origin['theme'] : 582 $gradients_by_origin['default'] 583 ); 584 } 585 if ( isset( $editor_settings['__experimentalFeatures']['typography']['fontSizes'] ) ) { 586 $font_sizes_by_origin = $editor_settings['__experimentalFeatures']['typography']['fontSizes']; 587 $editor_settings['fontSizes'] = isset( $font_sizes_by_origin['custom'] ) ? 588 $font_sizes_by_origin['custom'] : ( 589 isset( $font_sizes_by_origin['theme'] ) ? 590 $font_sizes_by_origin['theme'] : 591 $font_sizes_by_origin['default'] 592 ); 593 } 594 if ( isset( $editor_settings['__experimentalFeatures']['color']['custom'] ) ) { 595 $editor_settings['disableCustomColors'] = ! $editor_settings['__experimentalFeatures']['color']['custom']; 596 unset( $editor_settings['__experimentalFeatures']['color']['custom'] ); 597 } 598 if ( isset( $editor_settings['__experimentalFeatures']['color']['customGradient'] ) ) { 599 $editor_settings['disableCustomGradients'] = ! $editor_settings['__experimentalFeatures']['color']['customGradient']; 600 unset( $editor_settings['__experimentalFeatures']['color']['customGradient'] ); 601 } 602 if ( isset( $editor_settings['__experimentalFeatures']['typography']['customFontSize'] ) ) { 603 $editor_settings['disableCustomFontSizes'] = ! $editor_settings['__experimentalFeatures']['typography']['customFontSize']; 604 unset( $editor_settings['__experimentalFeatures']['typography']['customFontSize'] ); 605 } 606 if ( isset( $editor_settings['__experimentalFeatures']['typography']['lineHeight'] ) ) { 607 $editor_settings['enableCustomLineHeight'] = $editor_settings['__experimentalFeatures']['typography']['lineHeight']; 608 unset( $editor_settings['__experimentalFeatures']['typography']['lineHeight'] ); 609 } 610 if ( isset( $editor_settings['__experimentalFeatures']['spacing']['units'] ) ) { 611 $editor_settings['enableCustomUnits'] = $editor_settings['__experimentalFeatures']['spacing']['units']; 612 unset( $editor_settings['__experimentalFeatures']['spacing']['units'] ); 613 } 614 if ( isset( $editor_settings['__experimentalFeatures']['spacing']['padding'] ) ) { 615 $editor_settings['enableCustomSpacing'] = $editor_settings['__experimentalFeatures']['spacing']['padding']; 616 unset( $editor_settings['__experimentalFeatures']['spacing']['padding'] ); 617 } 618 if ( isset( $editor_settings['__experimentalFeatures']['spacing']['customSpacingSize'] ) ) { 619 $editor_settings['disableCustomSpacingSizes'] = ! $editor_settings['__experimentalFeatures']['spacing']['customSpacingSize']; 620 unset( $editor_settings['__experimentalFeatures']['spacing']['customSpacingSize'] ); 621 } 622 623 if ( isset( $editor_settings['__experimentalFeatures']['spacing']['spacingSizes'] ) ) { 624 $spacing_sizes_by_origin = $editor_settings['__experimentalFeatures']['spacing']['spacingSizes']; 625 $editor_settings['spacingSizes'] = isset( $spacing_sizes_by_origin['custom'] ) ? 626 $spacing_sizes_by_origin['custom'] : ( 627 isset( $spacing_sizes_by_origin['theme'] ) ? 628 $spacing_sizes_by_origin['theme'] : 629 $spacing_sizes_by_origin['default'] 630 ); 631 } 632 633 $editor_settings['__unstableResolvedAssets'] = _wp_get_iframed_editor_assets(); 634 $editor_settings['__unstableIsBlockBasedTheme'] = wp_is_block_theme(); 635 $editor_settings['localAutosaveInterval'] = 15; 636 $editor_settings['disableLayoutStyles'] = current_theme_supports( 'disable-layout-styles' ); 637 $editor_settings['__experimentalDiscussionSettings'] = array( 638 'commentOrder' => get_option( 'comment_order' ), 639 'commentsPerPage' => get_option( 'comments_per_page' ), 640 'defaultCommentsPage' => get_option( 'default_comments_page' ), 641 'pageComments' => get_option( 'page_comments' ), 642 'threadComments' => get_option( 'thread_comments' ), 643 'threadCommentsDepth' => get_option( 'thread_comments_depth' ), 644 'defaultCommentStatus' => get_option( 'default_comment_status' ), 645 'avatarURL' => get_avatar_url( 646 '', 647 array( 648 'size' => 96, 649 'force_default' => true, 650 'default' => get_option( 'avatar_default' ), 651 ) 652 ), 653 ); 654 655 $post_content_block_attributes = wp_get_post_content_block_attributes(); 656 657 if ( isset( $post_content_block_attributes ) ) { 658 $editor_settings['postContentAttributes'] = $post_content_block_attributes; 659 } 660 661 $editor_settings['canUpdateBlockBindings'] = current_user_can( 'edit_block_binding', $block_editor_context ); 662 663 /** 664 * Filters the settings to pass to the block editor for all editor type. 665 * 666 * @since 5.8.0 667 * 668 * @param array $editor_settings Default editor settings. 669 * @param WP_Block_Editor_Context $block_editor_context The current block editor context. 670 */ 671 $editor_settings = apply_filters( 'block_editor_settings_all', $editor_settings, $block_editor_context ); 672 673 if ( ! empty( $block_editor_context->post ) ) { 674 $post = $block_editor_context->post; 675 676 /** 677 * Filters the settings to pass to the block editor. 678 * 679 * @since 5.0.0 680 * @deprecated 5.8.0 Use the {@see 'block_editor_settings_all'} filter instead. 681 * 682 * @param array $editor_settings Default editor settings. 683 * @param WP_Post $post Post being edited. 684 */ 685 $editor_settings = apply_filters_deprecated( 'block_editor_settings', array( $editor_settings, $post ), '5.8.0', 'block_editor_settings_all' ); 686 } 687 688 return $editor_settings; 689 } 690 691 /** 692 * Preloads common data used with the block editor by specifying an array of 693 * REST API paths that will be preloaded for a given block editor context. 694 * 695 * @since 5.8.0 696 * 697 * @global WP_Post $post Global post object. 698 * @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts. 699 * @global WP_Styles $wp_styles The WP_Styles object for printing styles. 700 * 701 * @param (string|string[])[] $preload_paths List of paths to preload. 702 * @param WP_Block_Editor_Context $block_editor_context The current block editor context. 703 */ 704 function block_editor_rest_api_preload( array $preload_paths, $block_editor_context ) { 705 global $post, $wp_scripts, $wp_styles; 706 707 /** 708 * Filters the array of REST API paths that will be used to preloaded common data for the block editor. 709 * 710 * @since 5.8.0 711 * 712 * @param (string|string[])[] $preload_paths Array of paths to preload. 713 * @param WP_Block_Editor_Context $block_editor_context The current block editor context. 714 */ 715 $preload_paths = apply_filters( 'block_editor_rest_api_preload_paths', $preload_paths, $block_editor_context ); 716 717 if ( ! empty( $block_editor_context->post ) ) { 718 $selected_post = $block_editor_context->post; 719 720 /** 721 * Filters the array of paths that will be preloaded. 722 * 723 * Preload common data by specifying an array of REST API paths that will be preloaded. 724 * 725 * @since 5.0.0 726 * @deprecated 5.8.0 Use the {@see 'block_editor_rest_api_preload_paths'} filter instead. 727 * 728 * @param (string|string[])[] $preload_paths Array of paths to preload. 729 * @param WP_Post $selected_post Post being edited. 730 */ 731 $preload_paths = apply_filters_deprecated( 'block_editor_preload_paths', array( $preload_paths, $selected_post ), '5.8.0', 'block_editor_rest_api_preload_paths' ); 732 } 733 734 if ( empty( $preload_paths ) ) { 735 return; 736 } 737 738 /* 739 * Ensure the global $post, $wp_scripts, and $wp_styles remain the same after 740 * API data is preloaded. 741 * Because API preloading can call the_content and other filters, plugins 742 * can unexpectedly modify the global $post or enqueue assets which are not 743 * intended for the block editor. 744 */ 745 $backup_global_post = ! empty( $post ) ? clone $post : $post; 746 $backup_wp_scripts = ! empty( $wp_scripts ) ? clone $wp_scripts : $wp_scripts; 747 $backup_wp_styles = ! empty( $wp_styles ) ? clone $wp_styles : $wp_styles; 748 749 foreach ( $preload_paths as &$path ) { 750 if ( is_string( $path ) && ! str_starts_with( $path, '/' ) ) { 751 $path = '/' . $path; 752 continue; 753 } 754 755 if ( is_array( $path ) && is_string( $path[0] ) && ! str_starts_with( $path[0], '/' ) ) { 756 $path[0] = '/' . $path[0]; 757 } 758 } 759 760 unset( $path ); 761 762 $preload_data = array_reduce( 763 $preload_paths, 764 'rest_preload_api_request', 765 array() 766 ); 767 768 // Restore the global $post, $wp_scripts, and $wp_styles as they were before API preloading. 769 $post = $backup_global_post; 770 $wp_scripts = $backup_wp_scripts; 771 $wp_styles = $backup_wp_styles; 772 773 wp_add_inline_script( 774 'wp-api-fetch', 775 sprintf( 776 'wp.apiFetch.use( wp.apiFetch.createPreloadingMiddleware( %s ) );', 777 wp_json_encode( $preload_data, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ) 778 ), 779 'after' 780 ); 781 } 782 783 /** 784 * Creates an array of theme styles to load into the block editor. 785 * 786 * @since 5.8.0 787 * 788 * @global array $editor_styles 789 * 790 * @return array An array of theme styles for the block editor. 791 */ 792 function get_block_editor_theme_styles() { 793 global $editor_styles; 794 795 $styles = array(); 796 797 if ( $editor_styles && current_theme_supports( 'editor-styles' ) ) { 798 foreach ( $editor_styles as $style ) { 799 if ( preg_match( '~^(https?:)?//~', $style ) ) { 800 $response = wp_remote_get( $style ); 801 if ( ! is_wp_error( $response ) ) { 802 $styles[] = array( 803 'css' => wp_remote_retrieve_body( $response ), 804 '__unstableType' => 'theme', 805 'isGlobalStyles' => false, 806 ); 807 } 808 } else { 809 $file = get_theme_file_path( $style ); 810 if ( is_file( $file ) ) { 811 $styles[] = array( 812 'css' => file_get_contents( $file ), 813 'baseURL' => get_theme_file_uri( $style ), 814 '__unstableType' => 'theme', 815 'isGlobalStyles' => false, 816 ); 817 } 818 } 819 } 820 } 821 822 return $styles; 823 } 824 825 /** 826 * Returns the classic theme supports settings for block editor. 827 * 828 * @since 6.2.0 829 * @since 6.6.0 Add support for 'editor-spacing-sizes' theme support. 830 * 831 * @return array The classic theme supports settings. 832 */ 833 function get_classic_theme_supports_block_editor_settings() { 834 $theme_settings = array( 835 'disableCustomColors' => get_theme_support( 'disable-custom-colors' ), 836 'disableCustomFontSizes' => get_theme_support( 'disable-custom-font-sizes' ), 837 'disableCustomGradients' => get_theme_support( 'disable-custom-gradients' ), 838 'disableLayoutStyles' => get_theme_support( 'disable-layout-styles' ), 839 'enableCustomLineHeight' => get_theme_support( 'custom-line-height' ), 840 'enableCustomSpacing' => get_theme_support( 'custom-spacing' ), 841 'enableCustomUnits' => get_theme_support( 'custom-units' ), 842 ); 843 844 // Theme settings. 845 $color_palette = current( (array) get_theme_support( 'editor-color-palette' ) ); 846 if ( false !== $color_palette ) { 847 $theme_settings['colors'] = $color_palette; 848 } 849 850 $font_sizes = current( (array) get_theme_support( 'editor-font-sizes' ) ); 851 if ( false !== $font_sizes ) { 852 $theme_settings['fontSizes'] = $font_sizes; 853 } 854 855 $gradient_presets = current( (array) get_theme_support( 'editor-gradient-presets' ) ); 856 if ( false !== $gradient_presets ) { 857 $theme_settings['gradients'] = $gradient_presets; 858 } 859 860 $spacing_sizes = current( (array) get_theme_support( 'editor-spacing-sizes' ) ); 861 if ( false !== $spacing_sizes ) { 862 $theme_settings['spacingSizes'] = $spacing_sizes; 863 } 864 865 return $theme_settings; 866 } 867 868 /** 869 * Initialize site preview. 870 * 871 * This function sets IFRAME_REQUEST to true if the site preview parameter is set. 872 * 873 * @since 6.8.0 874 */ 875 function wp_initialize_site_preview_hooks() { 876 if ( 877 ! defined( 'IFRAME_REQUEST' ) && 878 isset( $_GET['wp_site_preview'] ) && 879 1 === (int) $_GET['wp_site_preview'] && 880 current_user_can( 'edit_theme_options' ) 881 ) { 882 define( 'IFRAME_REQUEST', true ); 883 } 884 }
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| Generated : Fri Oct 10 08:20:03 2025 | Cross-referenced by PHPXref |