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Includes the following changes - Fix multi entities saved state in the post editor - Adds a global save button to the site editor - Shadow: move shadow to own panel - [Block Editor]: Lock __experimentalBlockInspectorAnimation setting - useBlockSync: change subscribed.current on unsubscribe - [Block Library - Gallery]: Minor code quality update - [Patterns]: Reorder pattern categories - Fix inline preview infinite render - Show a pointer/hint in the settings tab informing the user about the styles tab - I18N: update string concatenation method in read more block - LocalAutosaveNotice: use stable notice id to prevent double notices - Navigation: Remove the IS_GUTENBERG_PLUGIN check around block_core_navigation_parse_blocks_from_menu_items Props mamaduka, ntsekouras, kebbet. See #57471. Built from https://develop.svn.wordpress.org/trunk@55257 git-svn-id: http://core.svn.wordpress.org/trunk@54790 1a063a9b-81f0-0310-95a4-ce76da25c4cd
133 lines
4.9 KiB
PHP
133 lines
4.9 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/gallery` block.
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*
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* @package WordPress
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*/
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/**
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* Handles backwards compatibility for Gallery Blocks,
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* whose images feature a `data-id` attribute.
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*
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* Now that the Gallery Block contains inner Image Blocks,
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* we add a custom `data-id` attribute before rendering the gallery
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* so that the Image Block can pick it up in its render_callback.
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*
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* @param array $parsed_block The block being rendered.
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* @return array The migrated block object.
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*/
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function block_core_gallery_data_id_backcompatibility( $parsed_block ) {
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if ( 'core/gallery' === $parsed_block['blockName'] ) {
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foreach ( $parsed_block['innerBlocks'] as $key => $inner_block ) {
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if ( 'core/image' === $inner_block['blockName'] ) {
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if ( ! isset( $parsed_block['innerBlocks'][ $key ]['attrs']['data-id'] ) && isset( $inner_block['attrs']['id'] ) ) {
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$parsed_block['innerBlocks'][ $key ]['attrs']['data-id'] = esc_attr( $inner_block['attrs']['id'] );
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}
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}
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}
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}
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return $parsed_block;
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}
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add_filter( 'render_block_data', 'block_core_gallery_data_id_backcompatibility' );
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/**
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* Adds a style tag for the --wp--style--unstable-gallery-gap var.
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*
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* The Gallery block needs to recalculate Image block width based on
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* the current gap setting in order to maintain the number of flex columns
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* so a css var is added to allow this.
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*
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* @param array $attributes Attributes of the block being rendered.
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* @param string $content Content of the block being rendered.
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* @return string The content of the block being rendered.
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*/
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function block_core_gallery_render( $attributes, $content ) {
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$gap = _wp_array_get( $attributes, array( 'style', 'spacing', 'blockGap' ) );
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// Skip if gap value contains unsupported characters.
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// Regex for CSS value borrowed from `safecss_filter_attr`, and used here
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// because we only want to match against the value, not the CSS attribute.
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if ( is_array( $gap ) ) {
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foreach ( $gap as $key => $value ) {
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// Make sure $value is a string to avoid PHP 8.1 deprecation error in preg_match() when the value is null.
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$value = is_string( $value ) ? $value : '';
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$value = $value && preg_match( '%[\\\(&=}]|/\*%', $value ) ? null : $value;
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// Get spacing CSS variable from preset value if provided.
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if ( is_string( $value ) && str_contains( $value, 'var:preset|spacing|' ) ) {
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$index_to_splice = strrpos( $value, '|' ) + 1;
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$slug = _wp_to_kebab_case( substr( $value, $index_to_splice ) );
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$value = "var(--wp--preset--spacing--$slug)";
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}
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$gap[ $key ] = $value;
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}
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} else {
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// Make sure $gap is a string to avoid PHP 8.1 deprecation error in preg_match() when the value is null.
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$gap = is_string( $gap ) ? $gap : '';
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$gap = $gap && preg_match( '%[\\\(&=}]|/\*%', $gap ) ? null : $gap;
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// Get spacing CSS variable from preset value if provided.
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if ( is_string( $gap ) && str_contains( $gap, 'var:preset|spacing|' ) ) {
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$index_to_splice = strrpos( $gap, '|' ) + 1;
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$slug = _wp_to_kebab_case( substr( $gap, $index_to_splice ) );
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$gap = "var(--wp--preset--spacing--$slug)";
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}
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}
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$unique_gallery_classname = wp_unique_id( 'wp-block-gallery-' );
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$processed_content = new WP_HTML_Tag_Processor( $content );
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$processed_content->next_tag();
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$processed_content->add_class( $unique_gallery_classname );
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// --gallery-block--gutter-size is deprecated. --wp--style--gallery-gap-default should be used by themes that want to set a default
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// gap on the gallery.
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$fallback_gap = 'var( --wp--style--gallery-gap-default, var( --gallery-block--gutter-size, var( --wp--style--block-gap, 0.5em ) ) )';
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$gap_value = $gap ? $gap : $fallback_gap;
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$gap_column = $gap_value;
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if ( is_array( $gap_value ) ) {
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$gap_row = isset( $gap_value['top'] ) ? $gap_value['top'] : $fallback_gap;
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$gap_column = isset( $gap_value['left'] ) ? $gap_value['left'] : $fallback_gap;
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$gap_value = $gap_row === $gap_column ? $gap_row : $gap_row . ' ' . $gap_column;
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}
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// The unstable gallery gap calculation requires a real value (such as `0px`) and not `0`.
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if ( '0' === $gap_column ) {
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$gap_column = '0px';
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}
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// Set the CSS variable to the column value, and the `gap` property to the combined gap value.
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$gallery_styles = array(
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array(
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'selector' => ".wp-block-gallery.{$unique_gallery_classname}",
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'declarations' => array(
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'--wp--style--unstable-gallery-gap' => $gap_column,
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'gap' => $gap_value,
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),
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),
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);
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wp_style_engine_get_stylesheet_from_css_rules(
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$gallery_styles,
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array(
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'context' => 'block-supports',
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)
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);
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return (string) $processed_content;
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}
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/**
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* Registers the `core/gallery` block on server.
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*/
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function register_block_core_gallery() {
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register_block_type_from_metadata(
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__DIR__ . '/gallery',
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array(
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'render_callback' => 'block_core_gallery_render',
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)
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);
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}
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add_action( 'init', 'register_block_core_gallery' );
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