Block Editor: Add the layout block support.
The layout block allows containers to define the size of their inner blocks and the allowed allignments. It's only enabled for themes with theme.json files. Props nosolosw. See #53175. Built from https://develop.svn.wordpress.org/trunk@50991 git-svn-id: http://core.svn.wordpress.org/trunk@50600 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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youknowriad
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@ -209,6 +209,7 @@ $editor_settings = array(
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'unlockNonce' => wp_create_nonce( 'update-post_' . $post->ID ),
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'ajaxUrl' => admin_url( 'admin-ajax.php' ),
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),
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'supportsLayout' => WP_Theme_JSON_Resolver::theme_has_support(),
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'__experimentalBlockPatterns' => WP_Block_Patterns_Registry::get_instance()->get_all_registered(),
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'__experimentalBlockPatternCategories' => WP_Block_Pattern_Categories_Registry::get_instance()->get_all_registered(),
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@ -6,6 +6,104 @@
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* @since 5.8.0
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*/
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/**
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* Registers the layout block attribute for block types that support it.
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*
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* @since 5.8.0
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* @access private
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*
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* @param WP_Block_Type $block_type Block Type.
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*/
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function wp_register_layout_support( $block_type ) {
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$support_layout = block_has_support( $block_type, array( '__experimentalLayout' ), false );
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if ( $support_layout ) {
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if ( ! $block_type->attributes ) {
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$block_type->attributes = array();
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}
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if ( ! array_key_exists( 'layout', $block_type->attributes ) ) {
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$block_type->attributes['layout'] = array(
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'type' => 'object',
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);
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}
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}
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}
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/**
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* Renders the layout config to the block wrapper.
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*
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* @since 5.8.0
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* @access private
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*
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* @param string $block_content Rendered block content.
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* @param array $block Block object.
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* @return string Filtered block content.
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*/
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function wp_render_layout_support_flag( $block_content, $block ) {
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$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
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$support_layout = block_has_support( $block_type, array( '__experimentalLayout' ), false );
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if ( ! $support_layout || ! isset( $block['attrs']['layout'] ) ) {
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return $block_content;
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}
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$used_layout = $block['attrs']['layout'];
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if ( isset( $used_layout['inherit'] ) && $used_layout['inherit'] ) {
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$tree = WP_Theme_JSON_Resolver::get_merged_data();
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$default_layout = _wp_array_get( $tree->get_settings(), array( 'layout' ) );
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if ( ! $default_layout ) {
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return $block_content;
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}
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$used_layout = $default_layout;
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}
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$id = uniqid();
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$content_size = isset( $used_layout['contentSize'] ) ? $used_layout['contentSize'] : null;
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$wide_size = isset( $used_layout['wideSize'] ) ? $used_layout['wideSize'] : null;
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$all_max_width_value = $content_size ? $content_size : $wide_size;
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$wide_max_width_value = $wide_size ? $wide_size : $content_size;
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// Make sure there is a single CSS rule, and all tags are stripped for security.
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$all_max_width_value = safecss_filter_attr( explode( ';', $all_max_width_value )[0] );
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$wide_max_width_value = safecss_filter_attr( explode( ';', $wide_max_width_value )[0] );
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$style = '';
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if ( $content_size || $wide_size ) {
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$style = ".wp-container-$id > * {";
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$style .= 'max-width: ' . esc_html( $all_max_width_value ) . ';';
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$style .= 'margin-left: auto !important;';
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$style .= 'margin-right: auto !important;';
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$style .= '}';
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$style .= ".wp-container-$id > .alignwide { max-width: " . esc_html( $wide_max_width_value ) . ';}';
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$style .= ".wp-container-$id .alignfull { max-width: none; }";
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}
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$style .= ".wp-container-$id .alignleft { float: left; margin-right: 2em; }";
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$style .= ".wp-container-$id .alignright { float: right; margin-left: 2em; }";
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// This assumes the hook only applies to blocks with a single wrapper.
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// I think this is a reasonable limitation for that particular hook.
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$content = preg_replace(
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'/' . preg_quote( 'class="', '/' ) . '/',
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'class="wp-container-' . $id . ' ',
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$block_content,
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1
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);
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return $content . '<style>' . $style . '</style>';
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}
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// Register the block support.
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WP_Block_Supports::get_instance()->register(
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'layout',
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array(
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'register_attribute' => 'wp_register_layout_support',
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)
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);
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add_filter( 'render_block', 'wp_render_layout_support_flag', 10, 2 );
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/**
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* For themes without theme.json file, make sure
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* to restore the inner div for the group block
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@ -22,9 +120,9 @@
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function wp_restore_group_inner_container( $block_content, $block ) {
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$group_with_inner_container_regex = '/(^\s*<div\b[^>]*wp-block-group(\s|")[^>]*>)(\s*<div\b[^>]*wp-block-group__inner-container(\s|")[^>]*>)((.|\S|\s)*)/';
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// TODO: Add check for theme.json presence.
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if (
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'core/group' !== $block['blockName'] ||
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WP_Theme_JSON_Resolver::theme_has_support() ||
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1 === preg_match( $group_with_inner_container_regex, $block_content )
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) {
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return $block_content;
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@ -13,7 +13,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '5.8-alpha-50987';
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$wp_version = '5.8-alpha-50991';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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