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.
*
* @since 5.9.0
*
* @return string
*/
function block_core_navigation_submenu_render_submenu_icon() {
return '
';
}
/**
* Renders the `core/navigation-submenu` block.
*
* @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 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'];
$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 );
if ( is_post_type_archive() ) {
$queried_archive_link = get_post_type_archive_link( get_queried_object()->name );
if ( $attributes['url'] === $queried_archive_link ) {
$is_active = true;
}
}
$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;
$classes = array(
'wp-block-navigation-item',
);
$classes = array_merge(
$classes,
$font_sizes['css_classes']
);
if ( $has_submenu ) {
$classes[] = 'has-child';
}
if ( $open_on_click ) {
$classes[] = 'open-on-click';
}
if ( $open_on_hover_and_click ) {
$classes[] = 'open-on-hover-click';
}
if ( $is_active ) {
$classes[] = 'current-menu-item';
}
$wrapper_attributes = get_block_wrapper_attributes(
array(
'class' => implode( ' ', $classes ),
'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 = '
';
return $html;
}
/**
* Register the navigation submenu block.
*
* @since 5.9.0
*
* @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' );