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- <?php
- /**
- * Server-side rendering of the `core/navigation` block.
- *
- * @package WordPress
- */
- // These functions are used for the __unstableLocation feature and only active
- // when the gutenberg plugin is active.
- if ( defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN ) {
- /**
- * Returns the menu items for a WordPress menu location.
- *
- * @param string $location The menu location.
- * @return array Menu items for the location.
- */
- function block_core_navigation_get_menu_items_at_location( $location ) {
- if ( empty( $location ) ) {
- return;
- }
- // Build menu data. The following approximates the code in
- // `wp_nav_menu()` and `gutenberg_output_block_nav_menu`.
- // Find the location in the list of locations, returning early if the
- // location can't be found.
- $locations = get_nav_menu_locations();
- if ( ! isset( $locations[ $location ] ) ) {
- return;
- }
- // Get the menu from the location, returning early if there is no
- // menu or there was an error.
- $menu = wp_get_nav_menu_object( $locations[ $location ] );
- if ( ! $menu || is_wp_error( $menu ) ) {
- return;
- }
- $menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) );
- _wp_menu_item_classes_by_context( $menu_items );
- return $menu_items;
- }
- /**
- * Sorts a standard array of menu items into a nested structure keyed by the
- * id of the parent menu.
- *
- * @param array $menu_items Menu items to sort.
- * @return array An array keyed by the id of the parent menu where each element
- * is an array of menu items that belong to that parent.
- */
- function block_core_navigation_sort_menu_items_by_parent_id( $menu_items ) {
- $sorted_menu_items = array();
- foreach ( (array) $menu_items as $menu_item ) {
- $sorted_menu_items[ $menu_item->menu_order ] = $menu_item;
- }
- unset( $menu_items, $menu_item );
- $menu_items_by_parent_id = array();
- foreach ( $sorted_menu_items as $menu_item ) {
- $menu_items_by_parent_id[ $menu_item->menu_item_parent ][] = $menu_item;
- }
- return $menu_items_by_parent_id;
- }
- /**
- * Turns menu item data into a nested array of parsed blocks
- *
- * @param array $menu_items An array of menu items that represent
- * an individual level of a menu.
- * @param array $menu_items_by_parent_id An array keyed by the id of the
- * parent menu where each element is an
- * array of menu items that belong to
- * that parent.
- * @return array An array of parsed block data.
- */
- function block_core_navigation_parse_blocks_from_menu_items( $menu_items, $menu_items_by_parent_id ) {
- if ( empty( $menu_items ) ) {
- return array();
- }
- $blocks = array();
- foreach ( $menu_items as $menu_item ) {
- $class_name = ! empty( $menu_item->classes ) ? implode( ' ', (array) $menu_item->classes ) : null;
- $id = ( null !== $menu_item->object_id && 'custom' !== $menu_item->object ) ? $menu_item->object_id : null;
- $opens_in_new_tab = null !== $menu_item->target && '_blank' === $menu_item->target;
- $rel = ( null !== $menu_item->xfn && '' !== $menu_item->xfn ) ? $menu_item->xfn : null;
- $kind = null !== $menu_item->type ? str_replace( '_', '-', $menu_item->type ) : 'custom';
- $block = array(
- 'blockName' => isset( $menu_items_by_parent_id[ $menu_item->ID ] ) ? 'core/navigation-submenu' : 'core/navigation-link',
- 'attrs' => array(
- 'className' => $class_name,
- 'description' => $menu_item->description,
- 'id' => $id,
- 'kind' => $kind,
- 'label' => $menu_item->title,
- 'opensInNewTab' => $opens_in_new_tab,
- 'rel' => $rel,
- 'title' => $menu_item->attr_title,
- 'type' => $menu_item->object,
- 'url' => $menu_item->url,
- ),
- );
- $block['innerBlocks'] = isset( $menu_items_by_parent_id[ $menu_item->ID ] )
- ? block_core_navigation_parse_blocks_from_menu_items( $menu_items_by_parent_id[ $menu_item->ID ], $menu_items_by_parent_id )
- : array();
- $block['innerContent'] = array_map( 'serialize_block', $block['innerBlocks'] );
- $blocks[] = $block;
- }
- return $blocks;
- }
- }
- /**
- * Build an array with CSS classes and inline styles defining the colors
- * which will be applied to the navigation markup in the front-end.
- *
- * @param array $attributes Navigation block attributes.
- *
- * @return array Colors CSS classes and inline styles.
- */
- function block_core_navigation_build_css_colors( $attributes ) {
- $colors = array(
- 'css_classes' => array(),
- 'inline_styles' => '',
- 'overlay_css_classes' => array(),
- 'overlay_inline_styles' => '',
- );
- // Text color.
- $has_named_text_color = array_key_exists( 'textColor', $attributes );
- $has_custom_text_color = array_key_exists( 'customTextColor', $attributes );
- // If has text color.
- if ( $has_custom_text_color || $has_named_text_color ) {
- // Add has-text-color class.
- $colors['css_classes'][] = 'has-text-color';
- }
- if ( $has_named_text_color ) {
- // Add the color class.
- $colors['css_classes'][] = sprintf( 'has-%s-color', $attributes['textColor'] );
- } elseif ( $has_custom_text_color ) {
- // Add the custom color inline style.
- $colors['inline_styles'] .= sprintf( 'color: %s;', $attributes['customTextColor'] );
- }
- // Background color.
- $has_named_background_color = array_key_exists( 'backgroundColor', $attributes );
- $has_custom_background_color = array_key_exists( 'customBackgroundColor', $attributes );
- // If has background color.
- if ( $has_custom_background_color || $has_named_background_color ) {
- // Add has-background class.
- $colors['css_classes'][] = 'has-background';
- }
- if ( $has_named_background_color ) {
- // Add the background-color class.
- $colors['css_classes'][] = sprintf( 'has-%s-background-color', $attributes['backgroundColor'] );
- } elseif ( $has_custom_background_color ) {
- // Add the custom background-color inline style.
- $colors['inline_styles'] .= sprintf( 'background-color: %s;', $attributes['customBackgroundColor'] );
- }
- // Overlay text color.
- $has_named_overlay_text_color = array_key_exists( 'overlayTextColor', $attributes );
- $has_custom_overlay_text_color = array_key_exists( 'customOverlayTextColor', $attributes );
- // If has overlay text color.
- if ( $has_custom_overlay_text_color || $has_named_overlay_text_color ) {
- // Add has-text-color class.
- $colors['overlay_css_classes'][] = 'has-text-color';
- }
- if ( $has_named_overlay_text_color ) {
- // Add the overlay color class.
- $colors['overlay_css_classes'][] = sprintf( 'has-%s-color', $attributes['overlayTextColor'] );
- } elseif ( $has_custom_overlay_text_color ) {
- // Add the custom overlay color inline style.
- $colors['overlay_inline_styles'] .= sprintf( 'color: %s;', $attributes['customOverlayTextColor'] );
- }
- // Overlay background color.
- $has_named_overlay_background_color = array_key_exists( 'overlayBackgroundColor', $attributes );
- $has_custom_overlay_background_color = array_key_exists( 'customOverlayBackgroundColor', $attributes );
- // If has overlay background color.
- if ( $has_custom_overlay_background_color || $has_named_overlay_background_color ) {
- // Add has-background class.
- $colors['overlay_css_classes'][] = 'has-background';
- }
- if ( $has_named_overlay_background_color ) {
- // Add the overlay background-color class.
- $colors['overlay_css_classes'][] = sprintf( 'has-%s-background-color', $attributes['overlayBackgroundColor'] );
- } elseif ( $has_custom_overlay_background_color ) {
- // Add the custom overlay background-color inline style.
- $colors['overlay_inline_styles'] .= sprintf( 'background-color: %s;', $attributes['customOverlayBackgroundColor'] );
- }
- return $colors;
- }
- /**
- * Build an array with CSS classes and inline styles defining the font sizes
- * which will be applied to the navigation markup in the front-end.
- *
- * @param array $attributes Navigation block attributes.
- *
- * @return array Font size CSS classes and inline styles.
- */
- function block_core_navigation_build_css_font_sizes( $attributes ) {
- // CSS classes.
- $font_sizes = array(
- 'css_classes' => array(),
- 'inline_styles' => '',
- );
- $has_named_font_size = array_key_exists( 'fontSize', $attributes );
- $has_custom_font_size = array_key_exists( 'customFontSize', $attributes );
- if ( $has_named_font_size ) {
- // Add the font size class.
- $font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $attributes['fontSize'] );
- } elseif ( $has_custom_font_size ) {
- // Add the custom font size inline style.
- $font_sizes['inline_styles'] = sprintf( 'font-size: %spx;', $attributes['customFontSize'] );
- }
- return $font_sizes;
- }
- /**
- * Returns the top-level submenu SVG chevron icon.
- *
- * @return string
- */
- function block_core_navigation_render_submenu_icon() {
- return '<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12" fill="none" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg>';
- }
- /**
- * Finds the most recently published `wp_navigation` Post.
- *
- * @return WP_Post|null the first non-empty Navigation or null.
- */
- function block_core_navigation_get_most_recently_published_navigation() {
- // We default to the most recently created menu.
- $parsed_args = array(
- 'post_type' => 'wp_navigation',
- 'no_found_rows' => true,
- 'order' => 'DESC',
- 'orderby' => 'date',
- 'post_status' => 'publish',
- 'posts_per_page' => 1, // get only the most recent.
- );
- $navigation_post = new WP_Query( $parsed_args );
- if ( count( $navigation_post->posts ) > 0 ) {
- return $navigation_post->posts[0];
- }
- return null;
- }
- /**
- * Filter out empty "null" blocks from the block list.
- * 'parse_blocks' includes a null block with '\n\n' as the content when
- * it encounters whitespace. This is not a bug but rather how the parser
- * is designed.
- *
- * @param array $parsed_blocks the parsed blocks to be normalized.
- * @return array the normalized parsed blocks.
- */
- function block_core_navigation_filter_out_empty_blocks( $parsed_blocks ) {
- $filtered = array_filter(
- $parsed_blocks,
- function( $block ) {
- return isset( $block['blockName'] );
- }
- );
- // Reset keys.
- return array_values( $filtered );
- }
- /**
- * Retrieves the appropriate fallback to be used on the front of the
- * site when there is no menu assigned to the Nav block.
- *
- * This aims to mirror how the fallback mechanic for wp_nav_menu works.
- * See https://developer.wordpress.org/reference/functions/wp_nav_menu/#more-information.
- *
- * @return array the array of blocks to be used as a fallback.
- */
- function block_core_navigation_get_fallback_blocks() {
- $page_list_fallback = array(
- array(
- 'blockName' => 'core/page-list',
- ),
- );
- $registry = WP_Block_Type_Registry::get_instance();
- // If `core/page-list` is not registered then return empty blocks.
- $fallback_blocks = $registry->is_registered( 'core/page-list' ) ? $page_list_fallback : array();
- // Default to a list of Pages.
- $navigation_post = block_core_navigation_get_most_recently_published_navigation();
- // Prefer using the first non-empty Navigation as fallback if available.
- if ( $navigation_post ) {
- $maybe_fallback = block_core_navigation_filter_out_empty_blocks( parse_blocks( $navigation_post->post_content ) );
- // Normalizing blocks may result in an empty array of blocks if they were all `null` blocks.
- // In this case default to the (Page List) fallback.
- $fallback_blocks = ! empty( $maybe_fallback ) ? $maybe_fallback : $fallback_blocks;
- }
- /**
- * Filters the fallback experience for the Navigation block.
- *
- * Returning a falsey value will opt out of the fallback and cause the block not to render.
- * To customise the blocks provided return an array of blocks - these should be valid
- * children of the `core/navigation` block.
- *
- * @since 5.9.0
- *
- * @param array[] default fallback blocks provided by the default block mechanic.
- */
- return apply_filters( 'block_core_navigation_render_fallback', $fallback_blocks );
- }
- /**
- * Iterate through all inner blocks recursively and get navigation link block's post IDs.
- *
- * @param WP_Block_List $inner_blocks Block list class instance.
- *
- * @return array Array of post IDs.
- */
- function block_core_navigation_get_post_ids( $inner_blocks ) {
- $post_ids = array_map( 'block_core_navigation_from_block_get_post_ids', iterator_to_array( $inner_blocks ) );
- return array_unique( array_merge( ...$post_ids ) );
- }
- /**
- * Get post IDs from a navigation link block instance.
- *
- * @param WP_Block $block Instance of a block.
- *
- * @return array Array of post IDs.
- */
- function block_core_navigation_from_block_get_post_ids( $block ) {
- $post_ids = array();
- if ( $block->inner_blocks ) {
- $post_ids = block_core_navigation_get_post_ids( $block->inner_blocks );
- }
- if ( 'core/navigation-link' === $block->name || 'core/navigation-submenu' === $block->name ) {
- if ( $block->attributes && isset( $block->attributes['kind'] ) && 'post-type' === $block->attributes['kind'] && isset( $block->attributes['id'] ) ) {
- $post_ids[] = $block->attributes['id'];
- }
- }
- return $post_ids;
- }
- /**
- * Renders the `core/navigation` block on server.
- *
- * @param array $attributes The block attributes.
- * @param string $content The saved content.
- * @param WP_Block $block The parsed block.
- *
- * @return string Returns the post content with the legacy widget added.
- */
- function render_block_core_navigation( $attributes, $content, $block ) {
- static $seen_menu_names = array();
- // Flag used to indicate whether the rendered output is considered to be
- // a fallback (i.e. the block has no menu associated with it).
- $is_fallback = false;
- $nav_menu_name = '';
- /**
- * Deprecated:
- * The rgbTextColor and rgbBackgroundColor attributes
- * have been deprecated in favor of
- * customTextColor and customBackgroundColor ones.
- * Move the values from old attrs to the new ones.
- */
- if ( isset( $attributes['rgbTextColor'] ) && empty( $attributes['textColor'] ) ) {
- $attributes['customTextColor'] = $attributes['rgbTextColor'];
- }
- if ( isset( $attributes['rgbBackgroundColor'] ) && empty( $attributes['backgroundColor'] ) ) {
- $attributes['customBackgroundColor'] = $attributes['rgbBackgroundColor'];
- }
- unset( $attributes['rgbTextColor'], $attributes['rgbBackgroundColor'] );
- /**
- * This is for backwards compatibility after `isResponsive` attribute has been removed.
- */
- $has_old_responsive_attribute = ! empty( $attributes['isResponsive'] ) && $attributes['isResponsive'];
- $is_responsive_menu = isset( $attributes['overlayMenu'] ) && 'never' !== $attributes['overlayMenu'] || $has_old_responsive_attribute;
- $should_load_view_script = ! wp_script_is( 'wp-block-navigation-view' ) && ( $is_responsive_menu || $attributes['openSubmenusOnClick'] || $attributes['showSubmenuIcon'] );
- if ( $should_load_view_script ) {
- wp_enqueue_script( 'wp-block-navigation-view' );
- }
- $should_load_modal_view_script = isset( $attributes['overlayMenu'] ) && 'never' !== $attributes['overlayMenu'];
- if ( $should_load_modal_view_script ) {
- wp_enqueue_script( 'wp-block-navigation-view-modal' );
- }
- $inner_blocks = $block->inner_blocks;
- // Ensure that blocks saved with the legacy ref attribute name (navigationMenuId) continue to render.
- if ( array_key_exists( 'navigationMenuId', $attributes ) ) {
- $attributes['ref'] = $attributes['navigationMenuId'];
- }
- // If:
- // - the gutenberg plugin is active
- // - `__unstableLocation` is defined
- // - we have menu items at the defined location
- // - we don't have a relationship to a `wp_navigation` Post (via `ref`).
- // ...then create inner blocks from the classic menu assigned to that location.
- if (
- defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN &&
- array_key_exists( '__unstableLocation', $attributes ) &&
- ! array_key_exists( 'ref', $attributes ) &&
- ! empty( block_core_navigation_get_menu_items_at_location( $attributes['__unstableLocation'] ) )
- ) {
- $menu_items = block_core_navigation_get_menu_items_at_location( $attributes['__unstableLocation'] );
- if ( empty( $menu_items ) ) {
- return '';
- }
- $menu_items_by_parent_id = block_core_navigation_sort_menu_items_by_parent_id( $menu_items );
- $parsed_blocks = block_core_navigation_parse_blocks_from_menu_items( $menu_items_by_parent_id[0], $menu_items_by_parent_id );
- $inner_blocks = new WP_Block_List( $parsed_blocks, $attributes );
- }
- // Load inner blocks from the navigation post.
- if ( array_key_exists( 'ref', $attributes ) ) {
- $navigation_post = get_post( $attributes['ref'] );
- if ( ! isset( $navigation_post ) ) {
- return '';
- }
- // Only published posts are valid. If this is changed then a corresponding change
- // must also be implemented in `use-navigation-menu.js`.
- if ( 'publish' === $navigation_post->post_status ) {
- $nav_menu_name = $navigation_post->post_title;
- if ( isset( $seen_menu_names[ $nav_menu_name ] ) ) {
- ++$seen_menu_names[ $nav_menu_name ];
- } else {
- $seen_menu_names[ $nav_menu_name ] = 1;
- }
- $parsed_blocks = parse_blocks( $navigation_post->post_content );
- // 'parse_blocks' includes a null block with '\n\n' as the content when
- // it encounters whitespace. This code strips it.
- $compacted_blocks = block_core_navigation_filter_out_empty_blocks( $parsed_blocks );
- // TODO - this uses the full navigation block attributes for the
- // context which could be refined.
- $inner_blocks = new WP_Block_List( $compacted_blocks, $attributes );
- }
- }
- // If there are no inner blocks then fallback to rendering an appropriate fallback.
- if ( empty( $inner_blocks ) ) {
- $is_fallback = true; // indicate we are rendering the fallback.
- $fallback_blocks = block_core_navigation_get_fallback_blocks();
- // Fallback my have been filtered so do basic test for validity.
- if ( empty( $fallback_blocks ) || ! is_array( $fallback_blocks ) ) {
- return '';
- }
- $inner_blocks = new WP_Block_List( $fallback_blocks, $attributes );
- }
- /**
- * Filter navigation block $inner_blocks.
- * Allows modification of a navigation block menu items.
- *
- * @since 6.1.0
- *
- * @param \WP_Block_List $inner_blocks
- */
- $inner_blocks = apply_filters( 'block_core_navigation_render_inner_blocks', $inner_blocks );
- $layout_justification = array(
- 'left' => 'items-justified-left',
- 'right' => 'items-justified-right',
- 'center' => 'items-justified-center',
- 'space-between' => 'items-justified-space-between',
- );
- // Restore legacy classnames for submenu positioning.
- $layout_class = '';
- if ( isset( $attributes['layout']['justifyContent'] ) ) {
- $layout_class .= $layout_justification[ $attributes['layout']['justifyContent'] ];
- }
- if ( isset( $attributes['layout']['orientation'] ) && 'vertical' === $attributes['layout']['orientation'] ) {
- $layout_class .= ' is-vertical';
- }
- if ( isset( $attributes['layout']['flexWrap'] ) && 'nowrap' === $attributes['layout']['flexWrap'] ) {
- $layout_class .= ' no-wrap';
- }
- // Manually add block support text decoration as CSS class.
- $text_decoration = _wp_array_get( $attributes, array( 'style', 'typography', 'textDecoration' ), null );
- $text_decoration_class = sprintf( 'has-text-decoration-%s', $text_decoration );
- $colors = block_core_navigation_build_css_colors( $attributes );
- $font_sizes = block_core_navigation_build_css_font_sizes( $attributes );
- $classes = array_merge(
- $colors['css_classes'],
- $font_sizes['css_classes'],
- $is_responsive_menu ? array( 'is-responsive' ) : array(),
- $layout_class ? array( $layout_class ) : array(),
- $is_fallback ? array( 'is-fallback' ) : array(),
- $text_decoration ? array( $text_decoration_class ) : array()
- );
- $post_ids = block_core_navigation_get_post_ids( $inner_blocks );
- if ( $post_ids ) {
- _prime_post_caches( $post_ids, false, false );
- }
- $inner_blocks_html = '';
- $is_list_open = false;
- foreach ( $inner_blocks as $inner_block ) {
- if ( ( 'core/navigation-link' === $inner_block->name || 'core/home-link' === $inner_block->name || 'core/site-title' === $inner_block->name || 'core/site-logo' === $inner_block->name || 'core/navigation-submenu' === $inner_block->name ) && ! $is_list_open ) {
- $is_list_open = true;
- $inner_blocks_html .= '<ul class="wp-block-navigation__container">';
- }
- if ( 'core/navigation-link' !== $inner_block->name && 'core/home-link' !== $inner_block->name && 'core/site-title' !== $inner_block->name && 'core/site-logo' !== $inner_block->name && 'core/navigation-submenu' !== $inner_block->name && $is_list_open ) {
- $is_list_open = false;
- $inner_blocks_html .= '</ul>';
- }
- $inner_block_content = $inner_block->render();
- if ( 'core/site-title' === $inner_block->name || ( 'core/site-logo' === $inner_block->name && $inner_block_content ) ) {
- $inner_blocks_html .= '<li class="wp-block-navigation-item">' . $inner_block_content . '</li>';
- } else {
- $inner_blocks_html .= $inner_block_content;
- }
- }
- if ( $is_list_open ) {
- $inner_blocks_html .= '</ul>';
- }
- $block_styles = isset( $attributes['styles'] ) ? $attributes['styles'] : '';
- // If the menu name has been used previously then append an ID
- // to the name to ensure uniqueness across a given post.
- if ( isset( $seen_menu_names[ $nav_menu_name ] ) && $seen_menu_names[ $nav_menu_name ] > 1 ) {
- $count = $seen_menu_names[ $nav_menu_name ];
- $nav_menu_name = $nav_menu_name . ' ' . ( $count );
- }
- $wrapper_attributes = get_block_wrapper_attributes(
- array(
- 'class' => implode( ' ', $classes ),
- 'style' => $block_styles . $colors['inline_styles'] . $font_sizes['inline_styles'],
- 'aria-label' => $nav_menu_name,
- )
- );
- $modal_unique_id = wp_unique_id( 'modal-' );
- // Determine whether or not navigation elements should be wrapped in the markup required to make it responsive,
- // return early if they don't.
- if ( ! $is_responsive_menu ) {
- return sprintf(
- '<nav %1$s>%2$s</nav>',
- $wrapper_attributes,
- $inner_blocks_html
- );
- }
- $is_hidden_by_default = isset( $attributes['overlayMenu'] ) && 'always' === $attributes['overlayMenu'];
- $responsive_container_classes = array(
- 'wp-block-navigation__responsive-container',
- $is_hidden_by_default ? 'hidden-by-default' : '',
- implode( ' ', $colors['overlay_css_classes'] ),
- );
- $open_button_classes = array(
- 'wp-block-navigation__responsive-container-open',
- $is_hidden_by_default ? 'always-shown' : '',
- );
- $should_display_icon_label = isset( $attributes['hasIcon'] ) && true === $attributes['hasIcon'];
- $toggle_button_icon = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><rect x="4" y="7.5" width="16" height="1.5" /><rect x="4" y="15" width="16" height="1.5" /></svg>';
- if ( isset( $attributes['icon'] ) ) {
- if ( 'menu' === $attributes['icon'] ) {
- $toggle_button_icon = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M5 5v1.5h14V5H5zm0 7.8h14v-1.5H5v1.5zM5 19h14v-1.5H5V19z" /></svg>';
- }
- }
- $toggle_button_content = $should_display_icon_label ? $toggle_button_icon : __( 'Menu' );
- $toggle_close_button_icon = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" aria-hidden="true" focusable="false"><path d="M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z"></path></svg>';
- $toggle_close_button_content = $should_display_icon_label ? $toggle_close_button_icon : __( 'Close' );
- $toggle_aria_label_open = $should_display_icon_label ? 'aria-label="' . __( 'Open menu' ) . '"' : ''; // Open button label.
- $toggle_aria_label_close = $should_display_icon_label ? 'aria-label="' . __( 'Close menu' ) . '"' : ''; // Close button label.
- $responsive_container_markup = sprintf(
- '<button aria-haspopup="true" %3$s class="%6$s" data-micromodal-trigger="%1$s">%9$s</button>
- <div class="%5$s" style="%7$s" id="%1$s">
- <div class="wp-block-navigation__responsive-close" tabindex="-1" data-micromodal-close>
- <div class="wp-block-navigation__responsive-dialog" aria-label="%8$s">
- <button %4$s data-micromodal-close class="wp-block-navigation__responsive-container-close">%10$s</button>
- <div class="wp-block-navigation__responsive-container-content" id="%1$s-content">
- %2$s
- </div>
- </div>
- </div>
- </div>',
- esc_attr( $modal_unique_id ),
- $inner_blocks_html,
- $toggle_aria_label_open,
- $toggle_aria_label_close,
- esc_attr( implode( ' ', $responsive_container_classes ) ),
- esc_attr( implode( ' ', $open_button_classes ) ),
- esc_attr( safecss_filter_attr( $colors['overlay_inline_styles'] ) ),
- __( 'Menu' ),
- $toggle_button_content,
- $toggle_close_button_content
- );
- return sprintf(
- '<nav %1$s>%2$s</nav>',
- $wrapper_attributes,
- $responsive_container_markup
- );
- }
- /**
- * Register the navigation block.
- *
- * @uses render_block_core_navigation()
- * @throws WP_Error An WP_Error exception parsing the block definition.
- */
- function register_block_core_navigation() {
- register_block_type_from_metadata(
- __DIR__ . '/navigation',
- array(
- 'render_callback' => 'render_block_core_navigation',
- )
- );
- }
- add_action( 'init', 'register_block_core_navigation' );
- /**
- * Filter that changes the parsed attribute values of navigation blocks contain typographic presets to contain the values directly.
- *
- * @param array $parsed_block The block being rendered.
- *
- * @return array The block being rendered without typographic presets.
- */
- function block_core_navigation_typographic_presets_backcompatibility( $parsed_block ) {
- if ( 'core/navigation' === $parsed_block['blockName'] ) {
- $attribute_to_prefix_map = array(
- 'fontStyle' => 'var:preset|font-style|',
- 'fontWeight' => 'var:preset|font-weight|',
- 'textDecoration' => 'var:preset|text-decoration|',
- 'textTransform' => 'var:preset|text-transform|',
- );
- foreach ( $attribute_to_prefix_map as $style_attribute => $prefix ) {
- if ( ! empty( $parsed_block['attrs']['style']['typography'][ $style_attribute ] ) ) {
- $prefix_len = strlen( $prefix );
- $attribute_value = &$parsed_block['attrs']['style']['typography'][ $style_attribute ];
- if ( 0 === strncmp( $attribute_value, $prefix, $prefix_len ) ) {
- $attribute_value = substr( $attribute_value, $prefix_len );
- }
- if ( 'textDecoration' === $style_attribute && 'strikethrough' === $attribute_value ) {
- $attribute_value = 'line-through';
- }
- }
- }
- }
- return $parsed_block;
- }
- add_filter( 'render_block_data', 'block_core_navigation_typographic_presets_backcompatibility' );
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