79 lines
2.1 KiB
PHP
Executable File
79 lines
2.1 KiB
PHP
Executable File
<?php
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/**
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* Kadence\Accessibility\Component class
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*
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* @package kadence
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*/
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namespace Kadence\Accessibility;
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use Kadence\Component_Interface;
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use function Kadence\kadence;
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use WP_Post;
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use function add_action;
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use function add_filter;
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use function wp_enqueue_script;
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use function get_theme_file_uri;
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use function get_theme_file_path;
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use function wp_script_add_data;
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use function wp_localize_script;
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/**
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* Class for improving accessibility among various core features.
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*/
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class Component implements Component_Interface {
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/**
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* Gets the unique identifier for the theme component.
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*
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* @return string Component slug.
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*/
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public function get_slug() : string {
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return 'accessibility';
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}
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/**
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* Adds the action and filter hooks to integrate with WordPress.
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*/
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public function initialize() {
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add_filter( 'nav_menu_link_attributes', array( $this, 'filter_nav_menu_link_attributes_aria_current' ), 10, 2 );
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add_filter( 'page_menu_link_attributes', array( $this, 'filter_nav_menu_link_attributes_aria_current' ), 10, 2 );
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add_filter( 'kadence_before_header', array( $this, 'skip_to_content_link' ), 2 );
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}
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/**
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* Prints a link to allow screen readers to skip to content.
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*/
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public function skip_to_content_link() {
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?>
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<a class="skip-link screen-reader-text scroll-ignore" href="#main"><?php esc_html_e( 'Skip to content', 'kadence' ); ?></a>
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<?php
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}
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/**
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* Filters the HTML attributes applied to a menu item's anchor element.
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*
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* Checks if the menu item is the current menu item and adds the aria "current" attribute.
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*
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* @param array $atts The HTML attributes applied to the menu item's `<a>` element.
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* @param object $item The current menu item.
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* @return array Modified HTML attributes
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*/
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public function filter_nav_menu_link_attributes_aria_current( array $atts, $item ) {
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if ( isset( $item->current ) ) {
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if ( $item->current ) {
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$atts['aria-current'] = 'page';
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}
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} elseif ( ! empty( $item->ID ) ) {
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global $post;
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if ( ! empty( $post->ID ) && (int) $post->ID === (int) $item->ID ) {
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$atts['aria-current'] = 'page';
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}
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}
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return $atts;
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}
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}
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