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<?php /** * Server-side rendering of the `core/navigation` block. * * @package WordPress / /* * Helper functions used to render the navigation block. * * @since 6.5.0 / class WP_Navigation_Block_Renderer { /* * Used to determine whether or not a navigation has submenus. * * @since 6.5.0 / private static $has_submenus = false; /* * Used to determine which blocks need an <li> wrapper. * * @since 6.5.0 * * @var array / private static $needs_list_item_wrapper = array( 'core/site-title', 'core/site-logo', 'core/social-links', ); /* * Keeps track of all the navigation names that have been seen. * * @since 6.5.0 * * @var array / private static $seen_menu_names = array(); /* * Returns whether or not this is responsive navigation. * * @since 6.5.0 * * @param array $attributes The block attributes. * @return bool Returns whether or not this is responsive navigation. / private static function is_responsive( $attributes ) { /* * This is for backwards compatibility after the `isResponsive` attribute was been removed. / $has_old_responsive_attribute = ! empty( $attributes['isResponsive'] ) && $attributes['isResponsive']; return isset( $attributes['overlayMenu'] ) && 'never' !== $attributes['overlayMenu'] \|\| $has_old_responsive_attribute; } /* * Returns whether or not a navigation has a submenu. * * @since 6.5.0 * * @param WP_Block_List $inner_blocks The list of inner blocks. * @return bool Returns whether or not a navigation has a submenu and also sets the member variable. / private static function has_submenus( $inner_blocks ) { if ( true === static::$has_submenus ) { return static::$has_submenus; } foreach ( $inner_blocks as $inner_block ) { // If this is a page list then work out if any of the pages have children. if ( 'core/page-list' === $inner_block->name ) { $all_pages = get_pages( array( 'sort_column' => 'menu_order,post_title', 'order' => 'asc', ) ); foreach ( (array) $all_pages as $page ) { if ( $page->post_parent ) { static::$has_submenus = true; break; } } } // If this is a navigation submenu then we know we have submenus. if ( 'core/navigation-submenu' === $inner_block->name ) { static::$has_submenus = true; break; } } return static::$has_submenus; } /* * Determine whether the navigation blocks is interactive. * * @since 6.5.0 * * @param array $attributes The block attributes. * @param WP_Block_List $inner_blocks The list of inner blocks. * @return bool Returns whether or not to load the view script. / private static function is_interactive( $attributes, $inner_blocks ) { $has_submenus = static::has_submenus( $inner_blocks ); $is_responsive_menu = static::is_responsive( $attributes ); return ( $has_submenus && ( $attributes['openSubmenusOnClick'] \|\| $attributes['showSubmenuIcon'] ) ) \|\| $is_responsive_menu; } /* * Returns whether or not a block needs a list item wrapper. * * @since 6.5.0 * * @param WP_Block $block The block. * @return bool Returns whether or not a block needs a list item wrapper. / private static function does_block_need_a_list_item_wrapper( $block ) { /* * Filter the list of blocks that need a list item wrapper. * * Affords the ability to customize which blocks need a list item wrapper when rendered * within a core/navigation block. * This is useful for blocks that are not list items but should be wrapped in a list * item when used as a child of a navigation block. * * @since 6.5.0 * * @param array $needs_list_item_wrapper The list of blocks that need a list item wrapper. * @return array The list of blocks that need a list item wrapper. / $needs_list_item_wrapper = apply_filters( 'block_core_navigation_listable_blocks', static::$needs_list_item_wrapper ); return in_array( $block->name, $needs_list_item_wrapper, true ); } /* * Returns the markup for a single inner block. * * @since 6.5.0 * * @param WP_Block $inner_block The inner block. * @return string Returns the markup for a single inner block. / private static function get_markup_for_inner_block( $inner_block ) { $inner_block_content = $inner_block->render(); if ( ! empty( $inner_block_content ) ) { if ( static::does_block_need_a_list_item_wrapper( $inner_block ) ) { return '<li class="wp-block-navigation-item">' . $inner_block_content . '</li>'; } } return $inner_block_content; } /* * Returns the html for the inner blocks of the navigation block. * * @since 6.5.0 * * @param array $attributes The block attributes. * @param WP_Block_List $inner_blocks The list of inner blocks. * @return string Returns the html for the inner blocks of the navigation block. / private static function get_inner_blocks_html( $attributes, $inner_blocks ) { $has_submenus = static::has_submenus( $inner_blocks ); $is_interactive = static::is_interactive( $attributes, $inner_blocks ); $style = static::get_styles( $attributes ); $class = static::get_classes( $attributes ); $container_attributes = get_block_wrapper_attributes( array( 'class' => 'wp-block-navigation__container ' . $class, 'style' => $style, ) ); $inner_blocks_html = ''; $is_list_open = false; foreach ( $inner_blocks as $inner_block ) { $inner_block_markup = static::get_markup_for_inner_block( $inner_block ); $p = new WP_HTML_Tag_Processor( $inner_block_markup ); $is_list_item = $p->next_tag( 'LI' ); if ( $is_list_item && ! $is_list_open ) { $is_list_open = true; $inner_blocks_html .= sprintf( '<ul %1$s>', $container_attributes ); } if ( ! $is_list_item && $is_list_open ) { $is_list_open = false; $inner_blocks_html .= '</ul>'; } $inner_blocks_html .= $inner_block_markup; } if ( $is_list_open ) { $inner_blocks_html .= '</ul>'; } // Add directives to the submenu if needed. if ( $has_submenus && $is_interactive ) { $tags = new WP_HTML_Tag_Processor( $inner_blocks_html ); $inner_blocks_html = block_core_navigation_add_directives_to_submenu( $tags, $attributes ); } return $inner_blocks_html; } /* * Gets the inner blocks for the navigation block from the navigation post. * * @since 6.5.0 * * @param array $attributes The block attributes. * @return WP_Block_List Returns the inner blocks for the navigation block. / private static function get_inner_blocks_from_navigation_post( $attributes ) { $navigation_post = get_post( $attributes['ref'] ); if ( ! isset( $navigation_post ) ) { return new WP_Block_List( array(), $attributes ); } // 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 ) { $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. $blocks = block_core_navigation_filter_out_empty_blocks( $parsed_blocks ); // Run Block Hooks algorithm to inject hooked blocks. $markup = block_core_navigation_insert_hooked_blocks( $blocks, $navigation_post ); $root_nav_block = parse_blocks( $markup )[0]; $blocks = isset( $root_nav_block['innerBlocks'] ) ? $root_nav_block['innerBlocks'] : $blocks; // TODO - this uses the full navigation block attributes for the // context which could be refined. return new WP_Block_List( $blocks, $attributes ); } } /* * Gets the inner blocks for the navigation block from the fallback. * * @since 6.5.0 * * @param array $attributes The block attributes. * @return WP_Block_List Returns the inner blocks for the navigation block. / private static function get_inner_blocks_from_fallback( $attributes ) { $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 new WP_Block_List( array(), $attributes ); } return new WP_Block_List( $fallback_blocks, $attributes ); } /* * Gets the inner blocks for the navigation block. * * @since 6.5.0 * * @param array $attributes The block attributes. * @param WP_Block $block The parsed block. * @return WP_Block_List Returns the inner blocks for the navigation block. / private static function get_inner_blocks( $attributes, $block ) { $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'] ) ) ) { $inner_blocks = block_core_navigation_get_inner_blocks_from_unstable_location( $attributes ); } // Load inner blocks from the navigation post. if ( array_key_exists( 'ref', $attributes ) ) { $inner_blocks = static::get_inner_blocks_from_navigation_post( $attributes ); } // If there are no inner blocks then fallback to rendering an appropriate fallback. if ( empty( $inner_blocks ) ) { $inner_blocks = static::get_inner_blocks_from_fallback( $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 ); $post_ids = block_core_navigation_get_post_ids( $inner_blocks ); if ( $post_ids ) { _prime_post_caches( $post_ids, false, false ); } return $inner_blocks; } /* * Gets the name of the current navigation, if it has one. * * @since 6.5.0 * * @param array $attributes The block attributes. * @return string Returns the name of the navigation. / private static function get_navigation_name( $attributes ) { $navigation_name = $attributes['ariaLabel'] ?? ''; // Load the navigation post. if ( array_key_exists( 'ref', $attributes ) ) { $navigation_post = get_post( $attributes['ref'] ); if ( ! isset( $navigation_post ) ) { return $navigation_name; } // 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 ) { $navigation_name = $navigation_post->post_title; // This is used to count the number of times a navigation name has been seen, // so that we can ensure every navigation has a unique id. if ( isset( static::$seen_menu_names[ $navigation_name ] ) ) { ++static::$seen_menu_names[ $navigation_name ]; } else { static::$seen_menu_names[ $navigation_name ] = 1; } } } return $navigation_name; } /* * Returns the layout class for the navigation block. * * @since 6.5.0 * * @param array $attributes The block attributes. * @return string Returns the layout class for the navigation block. / private static function get_layout_class( $attributes ) { $layout_justification = array( 'left' => 'items-justified-left', 'right' => 'items-justified-right', 'center' => 'items-justified-center', 'space-between' => 'items-justified-space-between', ); $layout_class = ''; if ( isset( $attributes['layout']['justifyContent'] ) && isset( $layout_justification[ $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'; } return $layout_class; } /* * Return classes for the navigation block. * * @since 6.5.0 * * @param array $attributes The block attributes. * @return string Returns the classes for the navigation block. / private static function get_classes( $attributes ) { // Restore legacy classnames for submenu positioning. $layout_class = static::get_layout_class( $attributes ); $colors = block_core_navigation_build_css_colors( $attributes ); $font_sizes = block_core_navigation_build_css_font_sizes( $attributes ); $is_responsive_menu = static::is_responsive( $attributes ); // Manually add block support text decoration as CSS class. $text_decoration = $attributes['style']['typography']['textDecoration'] ?? null; $text_decoration_class = sprintf( 'has-text-decoration-%s', $text_decoration ); $classes = array_merge( $colors['css_classes'], $font_sizes['css_classes'], $is_responsive_menu ? array( 'is-responsive' ) : array(), $layout_class ? array( $layout_class ) : array(), $text_decoration ? array( $text_decoration_class ) : array() ); return implode( ' ', $classes ); } /* * Get styles for the navigation block. * * @since 6.5.0 * * @param array $attributes The block attributes. * @return string Returns the styles for the navigation block. / private static function get_styles( $attributes ) { $colors = block_core_navigation_build_css_colors( $attributes ); $font_sizes = block_core_navigation_build_css_font_sizes( $attributes ); $block_styles = isset( $attributes['styles'] ) ? $attributes['styles'] : ''; return $block_styles . $colors['inline_styles'] . $font_sizes['inline_styles']; } /* * Get the responsive container markup * * @since 6.5.0 * * @param array $attributes The block attributes. * @param WP_Block_List $inner_blocks The list of inner blocks. * @param string $inner_blocks_html The markup for the inner blocks. * @return string Returns the container markup. / private static function get_responsive_container_markup( $attributes, $inner_blocks, $inner_blocks_html ) { $is_interactive = static::is_interactive( $attributes, $inner_blocks ); $colors = block_core_navigation_build_css_colors( $attributes ); $modal_unique_id = wp_unique_id( 'modal-' ); $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="m13.06 12 6.47-6.47-1.06-1.06L12 10.94 5.53 4.47 4.47 5.53 10.94 12l-6.47 6.47 1.06 1.06L12 13.06l6.47 6.47 1.06-1.06L13.06 12Z"></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. // Add Interactivity API directives to the markup if needed. $open_button_directives = ''; $responsive_container_directives = ''; $responsive_dialog_directives = ''; $close_button_directives = ''; if ( $is_interactive ) { $open_button_directives = ' data-wp-on-async--click="actions.openMenuOnClick" data-wp-on--keydown="actions.handleMenuKeydown" '; $responsive_container_directives = ' data-wp-class--has-modal-open="state.isMenuOpen" data-wp-class--is-menu-open="state.isMenuOpen" data-wp-watch="callbacks.initMenu" data-wp-on--keydown="actions.handleMenuKeydown" data-wp-on-async--focusout="actions.handleMenuFocusout" tabindex="-1" '; $responsive_dialog_directives = ' data-wp-bind--aria-modal="state.ariaModal" data-wp-bind--aria-label="state.ariaLabel" data-wp-bind--role="state.roleAttribute" '; $close_button_directives = ' data-wp-on-async--click="actions.closeMenuOnClick" '; $responsive_container_content_directives = ' data-wp-watch="callbacks.focusFirstElement" '; } $overlay_inline_styles = esc_attr( safecss_filter_attr( $colors['overlay_inline_styles'] ) ); return sprintf( '<button aria-haspopup="dialog" %3$s class="%6$s" %10$s>%8$s</button> <div class="%5$s" %7$s id="%1$s" %11$s> <div class="wp-block-navigation__responsive-close" tabindex="-1"> <div class="wp-block-navigation__responsive-dialog" %12$s> <button %4$s class="wp-block-navigation__responsive-container-close" %13$s>%9$s</button> <div class="wp-block-navigation__responsive-container-content" %14$s 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 ) ), ( ! empty( $overlay_inline_styles ) ) ? "style=\"$overlay_inline_styles\"" : '', $toggle_button_content, $toggle_close_button_content, $open_button_directives, $responsive_container_directives, $responsive_dialog_directives, $close_button_directives, $responsive_container_content_directives ); } /* * Get the wrapper attributes * * @since 6.5.0 * * @param array $attributes The block attributes. * @param WP_Block_List $inner_blocks A list of inner blocks. * @return string Returns the navigation block markup. / private static function get_nav_wrapper_attributes( $attributes, $inner_blocks ) { $nav_menu_name = static::get_unique_navigation_name( $attributes ); $is_interactive = static::is_interactive( $attributes, $inner_blocks ); $is_responsive_menu = static::is_responsive( $attributes ); $style = static::get_styles( $attributes ); $class = static::get_classes( $attributes ); $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $class, 'style' => $style, 'aria-label' => $nav_menu_name, ) ); if ( $is_responsive_menu ) { $nav_element_directives = static::get_nav_element_directives( $is_interactive ); $wrapper_attributes .= ' ' . $nav_element_directives; } return $wrapper_attributes; } /* * Gets the nav element directives. * * @since 6.5.0 * * @param bool $is_interactive Whether the block is interactive. * @return string the directives for the navigation element. / private static function get_nav_element_directives( $is_interactive ) { if ( ! $is_interactive ) { return ''; } // When adding to this array be mindful of security concerns. $nav_element_context = wp_interactivity_data_wp_context( array( 'overlayOpenedBy' => array( 'click' => false, 'hover' => false, 'focus' => false, ), 'type' => 'overlay', 'roleAttribute' => '', 'ariaLabel' => __( 'Menu' ), ) ); $nav_element_directives = ' data-wp-interactive="core/navigation" ' . $nav_element_context; return $nav_element_directives; } /* * Handle view script module loading. * * @since 6.5.0 * * @param array $attributes The block attributes. * @param WP_Block $block The parsed block. * @param WP_Block_List $inner_blocks The list of inner blocks. / private static function handle_view_script_module_loading( $attributes, $block, $inner_blocks ) { if ( static::is_interactive( $attributes, $inner_blocks ) ) { wp_enqueue_script_module( '@wordpress/block-library/navigation/view' ); } } /* * Returns the markup for the navigation block. * * @since 6.5.0 * * @param array $attributes The block attributes. * @param WP_Block_List $inner_blocks The list of inner blocks. * @return string Returns the navigation wrapper markup. / private static function get_wrapper_markup( $attributes, $inner_blocks ) { $inner_blocks_html = static::get_inner_blocks_html( $attributes, $inner_blocks ); if ( static::is_responsive( $attributes ) ) { return static::get_responsive_container_markup( $attributes, $inner_blocks, $inner_blocks_html ); } return $inner_blocks_html; } /* * Returns a unique name for the navigation. * * @since 6.5.0 * * @param array $attributes The block attributes. * @return string Returns a unique name for the navigation. / private static function get_unique_navigation_name( $attributes ) { $nav_menu_name = static::get_navigation_name( $attributes ); // If the menu name has been used previously then append an ID // to the name to ensure uniqueness across a given post. if ( isset( static::$seen_menu_names[ $nav_menu_name ] ) && static::$seen_menu_names[ $nav_menu_name ] > 1 ) { $count = static::$seen_menu_names[ $nav_menu_name ]; $nav_menu_name = $nav_menu_name . ' ' . ( $count ); } return $nav_menu_name; } /* * Renders the navigation block. * * @since 6.5.0 * * @param array $attributes The block attributes. * @param string $content The saved content. * @param WP_Block $block The parsed block. * @return string Returns the navigation block markup. / public static function render( $attributes, $content, $block ) { /* * 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'] ); $inner_blocks = static::get_inner_blocks( $attributes, $block ); // Prevent navigation blocks referencing themselves from rendering. if ( block_core_navigation_block_contains_core_navigation( $inner_blocks ) ) { return ''; } static::handle_view_script_module_loading( $attributes, $block, $inner_blocks ); return sprintf( '<nav %1$s>%2$s</nav>', static::get_nav_wrapper_attributes( $attributes, $inner_blocks ), static::get_wrapper_markup( $attributes, $inner_blocks ) ); } } // 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. * * @since 5.9.0 * * @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. * * @since 5.9.0 * * @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; } /* * Gets the inner blocks for the navigation block from the unstable location attribute. * * @since 6.5.0 * * @param array $attributes The block attributes. * @return WP_Block_List Returns the inner blocks for the navigation block. / function block_core_navigation_get_inner_blocks_from_unstable_location( $attributes ) { $menu_items = block_core_navigation_get_menu_items_at_location( $attributes['__unstableLocation'] ); if ( empty( $menu_items ) ) { return new WP_Block_List( array(), $attributes ); } $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 ); return new WP_Block_List( $parsed_blocks, $attributes ); } } /* * Add Interactivity API directives to the navigation-submenu and page-list * blocks markup using the Tag Processor. * * @since 6.3.0 * * @param WP_HTML_Tag_Processor $tags Markup of the navigation block. * @param array $block_attributes Block attributes. * * @return string Submenu markup with the directives injected. / function block_core_navigation_add_directives_to_submenu( $tags, $block_attributes ) { while ( $tags->next_tag( array( 'tag_name' => 'LI', 'class_name' => 'has-child', ) ) ) { // Add directives to the parent `<li>`. $tags->set_attribute( 'data-wp-interactive', 'core/navigation' ); $tags->set_attribute( 'data-wp-context', '{ "submenuOpenedBy": { "click": false, "hover": false, "focus": false }, "type": "submenu" }' ); $tags->set_attribute( 'data-wp-watch', 'callbacks.initMenu' ); $tags->set_attribute( 'data-wp-on--focusout', 'actions.handleMenuFocusout' ); $tags->set_attribute( 'data-wp-on--keydown', 'actions.handleMenuKeydown' ); // This is a fix for Safari. Without it, Safari doesn't change the active // element when the user clicks on a button. It can be removed once we add // an overlay to capture the clicks, instead of relying on the focusout // event. $tags->set_attribute( 'tabindex', '-1' ); if ( ! isset( $block_attributes['openSubmenusOnClick'] ) \|\| false === $block_attributes['openSubmenusOnClick'] ) { $tags->set_attribute( 'data-wp-on-async--mouseenter', 'actions.openMenuOnHover' ); $tags->set_attribute( 'data-wp-on-async--mouseleave', 'actions.closeMenuOnHover' ); } // Add directives to the toggle submenu button. if ( $tags->next_tag( array( 'tag_name' => 'BUTTON', 'class_name' => 'wp-block-navigation-submenu__toggle', ) ) ) { $tags->set_attribute( 'data-wp-on-async--click', 'actions.toggleMenuOnClick' ); $tags->set_attribute( 'data-wp-bind--aria-expanded', 'state.isMenuOpen' ); // The `aria-expanded` attribute for SSR is already added in the submenu block. } // Add directives to the submenu. if ( $tags->next_tag( array( 'tag_name' => 'UL', 'class_name' => 'wp-block-navigation__submenu-container', ) ) ) { $tags->set_attribute( 'data-wp-on-async--focus', 'actions.openMenuOnFocus' ); } // Iterate through subitems if exist. block_core_navigation_add_directives_to_submenu( $tags, $block_attributes ); } return $tags->get_updated_html(); } /* * Build an array with CSS classes and inline styles defining the colors * which will be applied to the navigation markup in the front-end. * * @since 5.9.0 * * @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. * * @since 5.9.0 * * @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. * * @since 5.9.0 * * @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>'; } /* * 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. * * @since 5.9.0 * * @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, static function ( $block ) { return isset( $block['blockName'] ); } ); // Reset keys. return array_values( $filtered ); } /* * Returns true if the navigation block contains a nested navigation block. * * @since 6.2.0 * * @param WP_Block_List $inner_blocks Inner block instance to be normalized. * @return bool true if the navigation block contains a nested navigation block. / function block_core_navigation_block_contains_core_navigation( $inner_blocks ) { foreach ( $inner_blocks as $block ) { if ( 'core/navigation' === $block->name ) { return true; } if ( $block->inner_blocks && block_core_navigation_block_contains_core_navigation( $block->inner_blocks ) ) { return true; } } return false; } /* * 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. * * @since 5.9.0 * * @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', 'innerContent' => array(), 'attrs' => array(), ), ); $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(); $navigation_post = WP_Navigation_Fallback::get_fallback(); // Use the first non-empty Navigation as fallback if available. if ( $navigation_post ) { $parsed_blocks = parse_blocks( $navigation_post->post_content ); $maybe_fallback = block_core_navigation_filter_out_empty_blocks( $parsed_blocks ); // 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; // Run Block Hooks algorithm to inject hooked blocks. // We have to run it here because we need the post ID of the Navigation block to track ignored hooked blocks. $markup = block_core_navigation_insert_hooked_blocks( $fallback_blocks, $navigation_post ); $blocks = parse_blocks( $markup ); if ( isset( $blocks[0]['innerBlocks'] ) ) { $fallback_blocks = $blocks[0]['innerBlocks']; } } /* * 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[] $fallback_blocks 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. * * @since 6.0.0 * * @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. * * @since 6.0.0 * * @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. * * @since 5.9.0 * * @param array $attributes The block attributes. * @param string $content The saved content. * @param WP_Block $block The parsed block. * * @return string Returns the navigation block markup. / function render_block_core_navigation( $attributes, $content, $block ) { return WP_Navigation_Block_Renderer::render( $attributes, $content, $block ); } /* * Register the navigation block. * * @since 5.9.0 * * @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. * * @since 5.9.0 * * @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' ); /* * Turns menu item data into a nested array of parsed blocks * * @since 5.9.0 * * @deprecated 6.3.0 Use WP_Navigation_Fallback::parse_blocks_from_menu_items() instead. * * @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 ) { _deprecated_function( __FUNCTION__, '6.3.0', 'WP_Navigation_Fallback::parse_blocks_from_menu_items' ); 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; } /* * Get the classic navigation menu to use as a fallback. * * @since 6.2.0 * * @deprecated 6.3.0 Use WP_Navigation_Fallback::get_classic_menu_fallback() instead. * * @return object WP_Term The classic navigation. / function block_core_navigation_get_classic_menu_fallback() { _deprecated_function( __FUNCTION__, '6.3.0', 'WP_Navigation_Fallback::get_classic_menu_fallback' ); $classic_nav_menus = wp_get_nav_menus(); // If menus exist. if ( $classic_nav_menus && ! is_wp_error( $classic_nav_menus ) ) { // Handles simple use case where user has a classic menu and switches to a block theme. // Returns the menu assigned to location `primary`. $locations = get_nav_menu_locations(); if ( isset( $locations['primary'] ) ) { $primary_menu = wp_get_nav_menu_object( $locations['primary'] ); if ( $primary_menu ) { return $primary_menu; } } // Returns a menu if `primary` is its slug. foreach ( $classic_nav_menus as $classic_nav_menu ) { if ( 'primary' === $classic_nav_menu->slug ) { return $classic_nav_menu; } } // Otherwise return the most recently created classic menu. usort( $classic_nav_menus, static function ( $a, $b ) { return $b->term_id - $a->term_id; } ); return $classic_nav_menus[0]; } } /* * Converts a classic navigation to blocks. * * @since 6.2.0 * * @deprecated 6.3.0 Use WP_Navigation_Fallback::get_classic_menu_fallback_blocks() instead. * * @param object $classic_nav_menu WP_Term The classic navigation object to convert. * @return array the normalized parsed blocks. / function block_core_navigation_get_classic_menu_fallback_blocks( $classic_nav_menu ) { _deprecated_function( __FUNCTION__, '6.3.0', 'WP_Navigation_Fallback::get_classic_menu_fallback_blocks' ); // BEGIN: Code that already exists in wp_nav_menu(). $menu_items = wp_get_nav_menu_items( $classic_nav_menu->term_id, array( 'update_post_term_cache' => false ) ); // Set up the $menu_item variables. _wp_menu_item_classes_by_context( $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 ); // END: Code that already exists in wp_nav_menu(). $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; } $inner_blocks = block_core_navigation_parse_blocks_from_menu_items( isset( $menu_items_by_parent_id[0] ) ? $menu_items_by_parent_id[0] : array(), $menu_items_by_parent_id ); return serialize_blocks( $inner_blocks ); } /* * If there's a classic menu then use it as a fallback. * * @since 6.2.0 * * @deprecated 6.3.0 Use WP_Navigation_Fallback::create_classic_menu_fallback() instead. * * @return array the normalized parsed blocks. / function block_core_navigation_maybe_use_classic_menu_fallback() { _deprecated_function( __FUNCTION__, '6.3.0', 'WP_Navigation_Fallback::create_classic_menu_fallback' ); // See if we have a classic menu. $classic_nav_menu = block_core_navigation_get_classic_menu_fallback(); if ( ! $classic_nav_menu ) { return; } // If we have a classic menu then convert it to blocks. $classic_nav_menu_blocks = block_core_navigation_get_classic_menu_fallback_blocks( $classic_nav_menu ); if ( empty( $classic_nav_menu_blocks ) ) { return; } // Create a new navigation menu from the classic menu. $wp_insert_post_result = wp_insert_post( array( 'post_content' => $classic_nav_menu_blocks, 'post_title' => $classic_nav_menu->name, 'post_name' => $classic_nav_menu->slug, 'post_status' => 'publish', 'post_type' => 'wp_navigation', ), true // So that we can check whether the result is an error. ); if ( is_wp_error( $wp_insert_post_result ) ) { return; } // Fetch the most recently published navigation which will be the classic one created above. return block_core_navigation_get_most_recently_published_navigation(); } /* * Finds the most recently published `wp_navigation` Post. * * @since 6.1.0 * * @deprecated 6.3.0 Use WP_Navigation_Fallback::get_most_recently_published_navigation() instead. * * @return WP_Post\|null the first non-empty Navigation or null. / function block_core_navigation_get_most_recently_published_navigation() { _deprecated_function( __FUNCTION__, '6.3.0', 'WP_Navigation_Fallback::get_most_recently_published_navigation' ); // Default to the most recently created menu. $parsed_args = array( 'post_type' => 'wp_navigation', 'no_found_rows' => true, 'update_post_meta_cache' => false, 'update_post_term_cache' => false, '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; } /* * Accepts the serialized markup of a block and its inner blocks, and returns serialized markup of the inner blocks. * * @since 6.5.0 * * @param string $serialized_block The serialized markup of a block and its inner blocks. * @return string / function block_core_navigation_remove_serialized_parent_block( $serialized_block ) { $start = strpos( $serialized_block, '-->' ) + strlen( '-->' ); $end = strrpos( $serialized_block, '<!--' ); return substr( $serialized_block, $start, $end - $start ); } /* * Mock a parsed block for the Navigation block given its inner blocks and the `wp_navigation` post object. * The `wp_navigation` post's `_wp_ignored_hooked_blocks` meta is queried to add the `metadata.ignoredHookedBlocks` attribute. * * @since 6.5.0 * * @param array $inner_blocks Parsed inner blocks of a Navigation block. * @param WP_Post $post `wp_navigation` post object corresponding to the block. * * @return array the normalized parsed blocks. / function block_core_navigation_mock_parsed_block( $inner_blocks, $post ) { $attributes = array(); if ( isset( $post->ID ) ) { $ignored_hooked_blocks = get_post_meta( $post->ID, '_wp_ignored_hooked_blocks', true ); if ( ! empty( $ignored_hooked_blocks ) ) { $ignored_hooked_blocks = json_decode( $ignored_hooked_blocks, true ); $attributes['metadata'] = array( 'ignoredHookedBlocks' => $ignored_hooked_blocks, ); } } $mock_anchor_parent_block = array( 'blockName' => 'core/navigation', 'attrs' => $attributes, 'innerBlocks' => $inner_blocks, 'innerContent' => array_fill( 0, count( $inner_blocks ), null ), ); return $mock_anchor_parent_block; } /* * Insert hooked blocks into a Navigation block. * * Given a Navigation block's inner blocks and its corresponding `wp_navigation` post object, * this function inserts hooked blocks into it, and returns the serialized inner blocks in a * mock Navigation block wrapper. * * If there are any hooked blocks that need to be inserted as the Navigation block's first or last * children, the `wp_navigation` post's `_wp_ignored_hooked_blocks` meta is checked to see if any * of those hooked blocks should be exempted from insertion. * * @since 6.5.0 * * @param array $inner_blocks Parsed inner blocks of a Navigation block. * @param WP_Post $post `wp_navigation` post object corresponding to the block. * @return string Serialized inner blocks in mock Navigation block wrapper, with hooked blocks inserted, if any. / function block_core_navigation_insert_hooked_blocks( $inner_blocks, $post ) { $mock_navigation_block = block_core_navigation_mock_parsed_block( $inner_blocks, $post ); if ( function_exists( 'apply_block_hooks_to_content' ) ) { $mock_navigation_block_markup = serialize_block( $mock_navigation_block ); return apply_block_hooks_to_content( $mock_navigation_block_markup, $post, 'insert_hooked_blocks' ); } $hooked_blocks = get_hooked_blocks(); $before_block_visitor = null; $after_block_visitor = null; if ( ! empty( $hooked_blocks ) \|\| has_filter( 'hooked_block_types' ) ) { $before_block_visitor = make_before_block_visitor( $hooked_blocks, $post, 'insert_hooked_blocks' ); $after_block_visitor = make_after_block_visitor( $hooked_blocks, $post, 'insert_hooked_blocks' ); } return traverse_and_serialize_block( $mock_navigation_block, $before_block_visitor, $after_block_visitor ); } /* * Insert ignoredHookedBlocks meta into the Navigation block and its inner blocks. * * Given a Navigation block's inner blocks and its corresponding `wp_navigation` post object, * this function inserts ignoredHookedBlocks meta into it, and returns the serialized inner blocks in a * mock Navigation block wrapper. * * @since 6.5.0 * * @param array $inner_blocks Parsed inner blocks of a Navigation block. * @param WP_Post $post `wp_navigation` post object corresponding to the block. * @return string Serialized inner blocks in mock Navigation block wrapper, with hooked blocks inserted, if any. / function block_core_navigation_set_ignored_hooked_blocks_metadata( $inner_blocks, $post ) { $mock_navigation_block = block_core_navigation_mock_parsed_block( $inner_blocks, $post ); $hooked_blocks = get_hooked_blocks(); $before_block_visitor = null; $after_block_visitor = null; if ( ! empty( $hooked_blocks ) \|\| has_filter( 'hooked_block_types' ) ) { $before_block_visitor = make_before_block_visitor( $hooked_blocks, $post, 'set_ignored_hooked_blocks_metadata' ); $after_block_visitor = make_after_block_visitor( $hooked_blocks, $post, 'set_ignored_hooked_blocks_metadata' ); } return traverse_and_serialize_block( $mock_navigation_block, $before_block_visitor, $after_block_visitor ); } /* * Updates the post meta with the list of ignored hooked blocks when the navigation is created or updated via the REST API. * * @access private * @since 6.5.0 * * @param stdClass $post Post object. * @return stdClass The updated post object. / function block_core_navigation_update_ignore_hooked_blocks_meta( $post ) { / * In this scenario the user has likely tried to create a navigation via the REST API. * In which case we won't have a post ID to work with and store meta against. / if ( empty( $post->ID ) ) { return $post; } /* * Skip meta generation when consumers intentionally update specific Navigation fields * and omit the content update. / if ( ! isset( $post->post_content ) ) { return $post; } / * We run the Block Hooks mechanism to inject the `metadata.ignoredHookedBlocks` attribute into * all anchor blocks. For the root level, we create a mock Navigation and extract them from there. / $blocks = parse_blocks( $post->post_content ); / * Block Hooks logic requires a `WP_Post` object (rather than the `stdClass` with the updates that * we're getting from the `rest_pre_insert_wp_navigation` filter) as its second argument (to be * used as context for hooked blocks insertion). * We thus have to look it up from the DB,based on `$post->ID`. / $markup = block_core_navigation_set_ignored_hooked_blocks_metadata( $blocks, get_post( $post->ID ) ); $root_nav_block = parse_blocks( $markup )[0]; $ignored_hooked_blocks = isset( $root_nav_block['attrs']['metadata']['ignoredHookedBlocks'] ) ? $root_nav_block['attrs']['metadata']['ignoredHookedBlocks'] : array(); if ( ! empty( $ignored_hooked_blocks ) ) { $existing_ignored_hooked_blocks = get_post_meta( $post->ID, '_wp_ignored_hooked_blocks', true ); if ( ! empty( $existing_ignored_hooked_blocks ) ) { $existing_ignored_hooked_blocks = json_decode( $existing_ignored_hooked_blocks, true ); $ignored_hooked_blocks = array_unique( array_merge( $ignored_hooked_blocks, $existing_ignored_hooked_blocks ) ); } update_post_meta( $post->ID, '_wp_ignored_hooked_blocks', json_encode( $ignored_hooked_blocks ) ); } $post->post_content = block_core_navigation_remove_serialized_parent_block( $markup ); return $post; } / * Before adding our filter, we verify if it's already added in Core. * However, during the build process, Gutenberg automatically prefixes our functions with "gutenberg_". * Therefore, we concatenate the Core's function name to circumvent this prefix for our check. / $rest_insert_wp_navigation_core_callback = 'block_core_navigation_' . 'update_ignore_hooked_blocks_meta'; // phpcs:ignore Generic.Strings.UnnecessaryStringConcat.Found / * Do not add the `block_core_navigation_update_ignore_hooked_blocks_meta` filter in the following cases: * - If Core has added the `update_ignored_hooked_blocks_postmeta` filter already (WP >= 6.6); * - or if the `$rest_insert_wp_navigation_core_callback` filter has already been added. / if ( ! has_filter( 'rest_pre_insert_wp_navigation', 'update_ignored_hooked_blocks_postmeta' ) && ! has_filter( 'rest_pre_insert_wp_navigation', $rest_insert_wp_navigation_core_callback ) ) { add_filter( 'rest_pre_insert_wp_navigation', 'block_core_navigation_update_ignore_hooked_blocks_meta' ); } /* * Hooks into the REST API response for the core/navigation block and adds the first and last inner blocks. * * @since 6.5.0 * * @param WP_REST_Response $response The response object. * @param WP_Post $post Post object. * @return WP_REST_Response The response object. / function block_core_navigation_insert_hooked_blocks_into_rest_response( $response, $post ) { if ( ! isset( $response->data['content']['raw'] ) \|\| ! isset( $response->data['content']['rendered'] ) ) { return $response; } $parsed_blocks = parse_blocks( $response->data['content']['raw'] ); $content = block_core_navigation_insert_hooked_blocks( $parsed_blocks, $post ); // Remove mock Navigation block wrapper. $content = block_core_navigation_remove_serialized_parent_block( $content ); $response->data['content']['raw'] = $content; /* This filter is documented in wp-includes/post-template.php / $response->data['content']['rendered'] = apply_filters( 'the_content', $content ); return $response; } / * Before adding our filter, we verify if it's already added in Core. * However, during the build process, Gutenberg automatically prefixes our functions with "gutenberg_". * Therefore, we concatenate the Core's function name to circumvent this prefix for our check. / $rest_prepare_wp_navigation_core_callback = 'block_core_navigation_' . 'insert_hooked_blocks_into_rest_response'; / * Do not add the `block_core_navigation_insert_hooked_blocks_into_rest_response` filter in the following cases: * - If Core has added the `insert_hooked_blocks_into_rest_response` filter already (WP >= 6.6); * - or if the `$rest_prepare_wp_navigation_core_callback` filter has already been added. */ if ( ! has_filter( 'rest_prepare_wp_navigation', 'insert_hooked_blocks_into_rest_response' ) && ! has_filter( 'rest_prepare_wp_navigation', $rest_prepare_wp_navigation_core_callback ) ) { add_filter( 'rest_prepare_wp_navigation', 'block_core_navigation_insert_hooked_blocks_into_rest_response', 10, 3 ); }

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