WordPress/wp-includes/blocks/navigation.php
Tammie Lister 4312036aca Update editor related npm packages for 6.4 RC2.
The npm packages needed update for 6.4 RC2.

Props siobhyb, cbravobernal, DAreRodz, luisherranz, artemiosans, afercia, jameskoster, czapla, alexstine, SantosGuillamot, ramonopoly, isabel_brison, andrewserong, jeryj, joedolson

See #59411.

Built from https://develop.svn.wordpress.org/trunk@56987


git-svn-id: http://core.svn.wordpress.org/trunk@56498 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2023-10-23 17:08:31 +00:00

1069 lines
37 KiB
PHP

<?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;
}
}
/**
* Add Interactivity API directives to the navigation-submenu and page-list
* blocks markup using the Tag Processor.
*
* @param string $w 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( $w, $block_attributes ) {
while ( $w->next_tag(
array(
'tag_name' => 'LI',
'class_name' => 'has-child',
)
) ) {
// Add directives to the parent `<li>`.
$w->set_attribute( 'data-wp-interactive', true );
$w->set_attribute( 'data-wp-context', '{ "core": { "navigation": { "submenuOpenedBy": {}, "type": "submenu" } } }' );
$w->set_attribute( 'data-wp-effect', 'effects.core.navigation.initMenu' );
$w->set_attribute( 'data-wp-on--focusout', 'actions.core.navigation.handleMenuFocusout' );
$w->set_attribute( 'data-wp-on--keydown', 'actions.core.navigation.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.
$w->set_attribute( 'tabindex', '-1' );
if ( ! isset( $block_attributes['openSubmenusOnClick'] ) || false === $block_attributes['openSubmenusOnClick'] ) {
$w->set_attribute( 'data-wp-on--mouseenter', 'actions.core.navigation.openMenuOnHover' );
$w->set_attribute( 'data-wp-on--mouseleave', 'actions.core.navigation.closeMenuOnHover' );
}
// Add directives to the toggle submenu button.
if ( $w->next_tag(
array(
'tag_name' => 'BUTTON',
'class_name' => 'wp-block-navigation-submenu__toggle',
)
) ) {
$w->set_attribute( 'data-wp-on--click', 'actions.core.navigation.toggleMenuOnClick' );
$w->set_attribute( 'data-wp-bind--aria-expanded', 'selectors.core.navigation.isMenuOpen' );
// The `aria-expanded` attribute for SSR is already added in the submenu block.
}
// Add directives to the submenu.
if ( $w->next_tag(
array(
'tag_name' => 'UL',
'class_name' => 'wp-block-navigation__submenu-container',
)
) ) {
$w->set_attribute( 'data-wp-on--focus', 'actions.core.navigation.openMenuOnFocus' );
}
// Iterate through subitems if exist.
block_core_navigation_add_directives_to_submenu( $w, $block_attributes );
}
return $w->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.
*
* @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>';
}
/**
* 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,
static function ( $block ) {
return isset( $block['blockName'] );
}
);
// Reset keys.
return array_values( $filtered );
}
/**
* Returns true if the navigation block contains a nested navigation block.
*
* @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.
*
* @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();
if ( class_exists( 'WP_Navigation_Fallback' ) ) {
$navigation_post = WP_Navigation_Fallback::get_fallback();
} else {
$navigation_post = Gutenberg_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;
}
/**
* 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 = $attributes['ariaLabel'] ?? '';
/**
* 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;
$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 );
}
if ( block_core_navigation_block_contains_core_navigation( $inner_blocks ) ) {
return '';
}
/**
* 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'] ) &&
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';
}
// 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 );
$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 );
}
$list_item_nav_blocks = array(
'core/navigation-link',
'core/home-link',
'core/site-title',
'core/site-logo',
'core/navigation-submenu',
);
$needs_list_item_wrapper = array(
'core/site-title',
'core/site-logo',
);
$block_styles = isset( $attributes['styles'] ) ? $attributes['styles'] : '';
$style = $block_styles . $colors['inline_styles'] . $font_sizes['inline_styles'];
$class = implode( ' ', $classes );
// 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' => $class,
'style' => $style,
'aria-label' => $nav_menu_name,
)
);
$container_attributes = get_block_wrapper_attributes(
array(
'class' => 'wp-block-navigation__container ' . $class,
'style' => $style,
)
);
$inner_blocks_html = '';
$is_list_open = false;
$has_submenus = false;
foreach ( $inner_blocks as $inner_block ) {
$is_list_item = in_array( $inner_block->name, $list_item_nav_blocks, true );
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_block_content = $inner_block->render();
$p = new WP_HTML_Tag_Processor( $inner_block_content );
if ( $p->next_tag(
array(
'name' => 'LI',
'class_name' => 'has-child',
)
) ) {
$has_submenus = true;
}
if ( ! empty( $inner_block_content ) ) {
if ( in_array( $inner_block->name, $needs_list_item_wrapper, true ) ) {
$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>';
}
$should_load_view_script = ( $has_submenus && ( $attributes['openSubmenusOnClick'] || $attributes['showSubmenuIcon'] ) ) || $is_responsive_menu;
$view_js_file = 'wp-block-navigation-view';
// If the script already exists, there is no point in removing it from viewScript.
if ( ! wp_script_is( $view_js_file ) ) {
$script_handles = $block->block_type->view_script_handles;
// If the script is not needed, and it is still in the `view_script_handles`, remove it.
if ( ! $should_load_view_script && in_array( $view_js_file, $script_handles, true ) ) {
$block->block_type->view_script_handles = array_diff( $script_handles, array( $view_js_file ) );
}
// If the script is needed, but it was previously removed, add it again.
if ( $should_load_view_script && ! in_array( $view_js_file, $script_handles, true ) ) {
$block->block_type->view_script_handles = array_merge( $script_handles, array( $view_js_file ) );
}
}
// Add directives to the submenu if needed.
if ( $has_submenus && $should_load_view_script ) {
$w = new WP_HTML_Tag_Processor( $inner_blocks_html );
$inner_blocks_html = block_core_navigation_add_directives_to_submenu( $w, $attributes );
}
$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.
// Add Interactivity API directives to the markup if needed.
$nav_element_directives = '';
$open_button_directives = '';
$responsive_container_directives = '';
$responsive_dialog_directives = '';
$close_button_directives = '';
if ( $should_load_view_script ) {
$nav_element_context = wp_json_encode(
array(
'core' => array(
'navigation' => array(
'overlayOpenedBy' => array(),
'type' => 'overlay',
'roleAttribute' => '',
'ariaLabel' => __( 'Menu' ),
),
),
),
JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP
);
$nav_element_directives = '
data-wp-interactive
data-wp-context=\'' . $nav_element_context . '\'
';
$open_button_directives = '
data-wp-on--click="actions.core.navigation.openMenuOnClick"
data-wp-on--keydown="actions.core.navigation.handleMenuKeydown"
';
$responsive_container_directives = '
data-wp-class--has-modal-open="selectors.core.navigation.isMenuOpen"
data-wp-class--is-menu-open="selectors.core.navigation.isMenuOpen"
data-wp-effect="effects.core.navigation.initMenu"
data-wp-on--keydown="actions.core.navigation.handleMenuKeydown"
data-wp-on--focusout="actions.core.navigation.handleMenuFocusout"
tabindex="-1"
';
$responsive_dialog_directives = '
data-wp-bind--aria-modal="selectors.core.navigation.ariaModal"
data-wp-bind--aria-label="selectors.core.navigation.ariaLabel"
data-wp-bind--role="selectors.core.navigation.roleAttribute"
data-wp-effect="effects.core.navigation.focusFirstElement"
';
$close_button_directives = '
data-wp-on--click="actions.core.navigation.closeMenuOnClick"
';
}
$responsive_container_markup = sprintf(
'<button aria-haspopup="true" %3$s class="%6$s" %10$s>%8$s</button>
<div class="%5$s" style="%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$s</button>
<div class="wp-block-navigation__responsive-container-content" id="%1$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'] ) ),
$toggle_button_content,
$toggle_close_button_content,
$open_button_directives,
$responsive_container_directives,
$responsive_dialog_directives,
$close_button_directives
);
return sprintf(
'<nav %1$s %3$s>%2$s</nav>',
$wrapper_attributes,
$responsive_container_markup,
$nav_element_directives
);
}
/**
* 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' );
/**
* Ensure that the view script has the `wp-interactivity` dependency.
*
* @since 6.4.0
*
* @global WP_Scripts $wp_scripts
*/
function block_core_navigation_ensure_interactivity_dependency() {
global $wp_scripts;
if (
isset( $wp_scripts->registered['wp-block-navigation-view'] ) &&
! in_array( 'wp-interactivity', $wp_scripts->registered['wp-block-navigation-view']->deps, true )
) {
$wp_scripts->registered['wp-block-navigation-view']->deps[] = 'wp-interactivity';
}
}
add_action( 'wp_print_scripts', 'block_core_navigation_ensure_interactivity_dependency' );
/**
* Turns menu item data into a nested array of parsed blocks
*
* @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.
*
* @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.
*
* @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.
*
* @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.
*
* @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;
}