array(),
'inline_styles' => '',
);
$has_named_font_size = array_key_exists( 'fontSize', $context );
$has_custom_font_size = isset( $context['style']['typography']['fontSize'] );
if ( $has_named_font_size ) {
// Add the font size class.
$font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] );
} elseif ( $has_custom_font_size ) {
// Add the custom font size inline style.
$font_sizes['inline_styles'] = sprintf(
'font-size: %s;',
wp_get_typography_font_size_value(
array(
'size' => $context['style']['typography']['fontSize'],
)
)
);
}
return $font_sizes;
}
/**
* Returns the top-level submenu SVG chevron icon.
*
* @return string
*/
function block_core_navigation_submenu_render_submenu_icon() {
return '';
}
/**
* Renders the `core/navigation-submenu` block.
*
* @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_submenu( $attributes, $content, $block ) {
$navigation_link_has_id = isset( $attributes['id'] ) && is_numeric( $attributes['id'] );
$is_post_type = isset( $attributes['kind'] ) && 'post-type' === $attributes['kind'];
$is_post_type = $is_post_type || isset( $attributes['type'] ) && ( 'post' === $attributes['type'] || 'page' === $attributes['type'] );
// Don't render the block's subtree if it is a draft.
if ( $is_post_type && $navigation_link_has_id && 'publish' !== get_post_status( $attributes['id'] ) ) {
return '';
}
// Don't render the block's subtree if it has no label.
if ( empty( $attributes['label'] ) ) {
return '';
}
$font_sizes = block_core_navigation_submenu_build_css_font_sizes( $block->context );
$style_attribute = $font_sizes['inline_styles'];
$css_classes = trim( implode( ' ', $font_sizes['css_classes'] ) );
$has_submenu = count( $block->inner_blocks ) > 0;
$kind = empty( $attributes['kind'] ) ? 'post_type' : str_replace( '-', '_', $attributes['kind'] );
$is_active = ! empty( $attributes['id'] ) && get_queried_object_id() === (int) $attributes['id'] && ! empty( get_queried_object()->$kind );
$show_submenu_indicators = isset( $block->context['showSubmenuIcon'] ) && $block->context['showSubmenuIcon'];
$open_on_click = isset( $block->context['openSubmenusOnClick'] ) && $block->context['openSubmenusOnClick'];
$open_on_hover_and_click = isset( $block->context['openSubmenusOnClick'] ) && ! $block->context['openSubmenusOnClick'] &&
$show_submenu_indicators;
$wrapper_attributes = get_block_wrapper_attributes(
array(
'class' => $css_classes . ' wp-block-navigation-item' . ( $has_submenu ? ' has-child' : '' ) .
( $open_on_click ? ' open-on-click' : '' ) . ( $open_on_hover_and_click ? ' open-on-hover-click' : '' ) .
( $is_active ? ' current-menu-item' : '' ),
'style' => $style_attribute,
)
);
$label = '';
if ( isset( $attributes['label'] ) ) {
$label .= wp_kses_post( $attributes['label'] );
}
$aria_label = sprintf(
/* translators: Accessibility text. %s: Parent page title. */
__( '%s submenu' ),
wp_strip_all_tags( $label )
);
$html = '';
// If Submenus open on hover, we render an anchor tag with attributes.
// If submenu icons are set to show, we also render a submenu button, so the submenu can be opened on click.
if ( ! $open_on_click ) {
$item_url = isset( $attributes['url'] ) ? $attributes['url'] : '';
// Start appending HTML attributes to anchor tag.
$html .= '' . block_core_navigation_submenu_render_submenu_icon() . '';
}
} else {
// If menus open on click, we render the parent as a button.
$html .= '';
$html .= '';
}
if ( $has_submenu ) {
// Copy some attributes from the parent block to this one.
// Ideally this would happen in the client when the block is created.
if ( array_key_exists( 'overlayTextColor', $block->context ) ) {
$attributes['textColor'] = $block->context['overlayTextColor'];
}
if ( array_key_exists( 'overlayBackgroundColor', $block->context ) ) {
$attributes['backgroundColor'] = $block->context['overlayBackgroundColor'];
}
if ( array_key_exists( 'customOverlayTextColor', $block->context ) ) {
$attributes['style']['color']['text'] = $block->context['customOverlayTextColor'];
}
if ( array_key_exists( 'customOverlayBackgroundColor', $block->context ) ) {
$attributes['style']['color']['background'] = $block->context['customOverlayBackgroundColor'];
}
// This allows us to be able to get a response from wp_apply_colors_support.
$block->block_type->supports['color'] = true;
$colors_supports = wp_apply_colors_support( $block->block_type, $attributes );
$css_classes = 'wp-block-navigation__submenu-container';
if ( array_key_exists( 'class', $colors_supports ) ) {
$css_classes .= ' ' . $colors_supports['class'];
}
$style_attribute = '';
if ( array_key_exists( 'style', $colors_supports ) ) {
$style_attribute = $colors_supports['style'];
}
$inner_blocks_html = '';
foreach ( $block->inner_blocks as $inner_block ) {
$inner_blocks_html .= $inner_block->render();
}
if ( strpos( $inner_blocks_html, 'current-menu-item' ) ) {
$tag_processor = new WP_HTML_Tag_Processor( $html );
while ( $tag_processor->next_tag( array( 'class_name' => 'wp-block-navigation-item__content' ) ) ) {
$tag_processor->add_class( 'current-menu-ancestor' );
}
$html = $tag_processor->get_updated_html();
}
$wrapper_attributes = get_block_wrapper_attributes(
array(
'class' => $css_classes,
'style' => $style_attribute,
)
);
$html .= sprintf(
'',
$wrapper_attributes,
$inner_blocks_html
);
}
$html .= '';
return $html;
}
/**
* Register the navigation submenu block.
*
* @uses render_block_core_navigation_submenu()
* @throws WP_Error An WP_Error exception parsing the block definition.
*/
function register_block_core_navigation_submenu() {
register_block_type_from_metadata(
__DIR__ . '/navigation-submenu',
array(
'render_callback' => 'render_block_core_navigation_submenu',
)
);
}
add_action( 'init', 'register_block_core_navigation_submenu' );