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Diffstat (limited to 'themes/twentynineteen/functions.php')
| -rw-r--r-- | themes/twentynineteen/functions.php | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/themes/twentynineteen/functions.php b/themes/twentynineteen/functions.php new file mode 100644 index 00000000..e5b98fa3 --- /dev/null +++ b/themes/twentynineteen/functions.php @@ -0,0 +1,332 @@ +<?php +/** + * Twenty Nineteen functions and definitions + * + * @link https://developer.wordpress.org/themes/basics/theme-functions/ + * + * @package WordPress + * @subpackage Twenty_Nineteen + * @since 1.0.0 + */ + +/** + * Twenty Nineteen only works in WordPress 4.7 or later. + */ +if ( version_compare( $GLOBALS['wp_version'], '4.7', '<' ) ) { + require get_template_directory() . '/inc/back-compat.php'; + return; +} + +if ( ! function_exists( 'twentynineteen_setup' ) ) : + /** + * Sets up theme defaults and registers support for various WordPress features. + * + * Note that this function is hooked into the after_setup_theme hook, which + * runs before the init hook. The init hook is too late for some features, such + * as indicating support for post thumbnails. + */ + function twentynineteen_setup() { + /* + * Make theme available for translation. + * Translations can be filed in the /languages/ directory. + * If you're building a theme based on Twenty Nineteen, use a find and replace + * to change 'twentynineteen' to the name of your theme in all the template files. + */ + load_theme_textdomain( 'twentynineteen', get_template_directory() . '/languages' ); + + // Add default posts and comments RSS feed links to head. + add_theme_support( 'automatic-feed-links' ); + + /* + * Let WordPress manage the document title. + * By adding theme support, we declare that this theme does not use a + * hard-coded <title> tag in the document head, and expect WordPress to + * provide it for us. + */ + add_theme_support( 'title-tag' ); + + /* + * Enable support for Post Thumbnails on posts and pages. + * + * @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/ + */ + add_theme_support( 'post-thumbnails' ); + set_post_thumbnail_size( 1568, 9999 ); + + // This theme uses wp_nav_menu() in two locations. + register_nav_menus( + array( + 'menu-1' => __( 'Primary', 'twentynineteen' ), + 'footer' => __( 'Footer Menu', 'twentynineteen' ), + 'social' => __( 'Social Links Menu', 'twentynineteen' ), + ) + ); + + /* + * Switch default core markup for search form, comment form, and comments + * to output valid HTML5. + */ + add_theme_support( + 'html5', + array( + 'search-form', + 'comment-form', + 'comment-list', + 'gallery', + 'caption', + ) + ); + + /** + * Add support for core custom logo. + * + * @link https://codex.wordpress.org/Theme_Logo + */ + add_theme_support( + 'custom-logo', + array( + 'height' => 190, + 'width' => 190, + 'flex-width' => false, + 'flex-height' => false, + ) + ); + + // Add theme support for selective refresh for widgets. + add_theme_support( 'customize-selective-refresh-widgets' ); + + // Add support for Block Styles. + add_theme_support( 'wp-block-styles' ); + + // Add support for full and wide align images. + add_theme_support( 'align-wide' ); + + // Add support for editor styles. + add_theme_support( 'editor-styles' ); + + // Enqueue editor styles. + add_editor_style( 'style-editor.css' ); + + // Add custom editor font sizes. + add_theme_support( + 'editor-font-sizes', + array( + array( + 'name' => __( 'Small', 'twentynineteen' ), + 'shortName' => __( 'S', 'twentynineteen' ), + 'size' => 19.5, + 'slug' => 'small', + ), + array( + 'name' => __( 'Normal', 'twentynineteen' ), + 'shortName' => __( 'M', 'twentynineteen' ), + 'size' => 22, + 'slug' => 'normal', + ), + array( + 'name' => __( 'Large', 'twentynineteen' ), + 'shortName' => __( 'L', 'twentynineteen' ), + 'size' => 36.5, + 'slug' => 'large', + ), + array( + 'name' => __( 'Huge', 'twentynineteen' ), + 'shortName' => __( 'XL', 'twentynineteen' ), + 'size' => 49.5, + 'slug' => 'huge', + ), + ) + ); + + $default_hue = twentynineteen_get_default_hue(); + $saturation = apply_filters( 'twentynineteen_custom_colors_saturation', 100 ); + $lightness = apply_filters( 'twentynineteen_custom_colors_lightness', 33 ); + $lightness_hover = apply_filters( 'twentynineteen_custom_colors_lightness_hover', 23 ); + // Editor color palette. + add_theme_support( + 'editor-color-palette', + array( + array( + 'name' => __( 'Primary', 'twentynineteen' ), + 'slug' => 'primary', + 'color' => twentynineteen_hsl_hex( 'default' === get_theme_mod( 'primary_color' ) ? $default_hue : get_theme_mod( 'primary_color_hue', $default_hue ), $saturation, $lightness ), + ), + array( + 'name' => __( 'Secondary', 'twentynineteen' ), + 'slug' => 'secondary', + 'color' => twentynineteen_hsl_hex( 'default' === get_theme_mod( 'primary_color' ) ? $default_hue : get_theme_mod( 'primary_color_hue', $default_hue ), $saturation, 23 ), + ), + array( + 'name' => __( 'Dark Gray', 'twentynineteen' ), + 'slug' => 'dark-gray', + 'color' => '#111', + ), + array( + 'name' => __( 'Light Gray', 'twentynineteen' ), + 'slug' => 'light-gray', + 'color' => '#767676', + ), + array( + 'name' => __( 'White', 'twentynineteen' ), + 'slug' => 'white', + 'color' => '#FFF', + ), + ) + ); + + // Add support for responsive embedded content. + add_theme_support( 'responsive-embeds' ); + } +endif; +add_action( 'after_setup_theme', 'twentynineteen_setup' ); + +/** + * Register widget area. + * + * @link https://developer.wordpress.org/themes/functionality/sidebars/#registering-a-sidebar + */ +function twentynineteen_widgets_init() { + + register_sidebar( + array( + 'name' => __( 'Footer', 'twentynineteen' ), + 'id' => 'sidebar-1', + 'description' => __( 'Add widgets here to appear in your footer.', 'twentynineteen' ), + 'before_widget' => '<section id="%1$s" class="widget %2$s">', + 'after_widget' => '</section>', + 'before_title' => '<h2 class="widget-title">', + 'after_title' => '</h2>', + ) + ); + +} +add_action( 'widgets_init', 'twentynineteen_widgets_init' ); + +/** + * Set the content width in pixels, based on the theme's design and stylesheet. + * + * Priority 0 to make it available to lower priority callbacks. + * + * @global int $content_width Content width. + */ +function twentynineteen_content_width() { + // This variable is intended to be overruled from themes. + // Open WPCS issue: {@link https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/1043}. + // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound + $GLOBALS['content_width'] = apply_filters( 'twentynineteen_content_width', 640 ); +} +add_action( 'after_setup_theme', 'twentynineteen_content_width', 0 ); + +/** + * Enqueue scripts and styles. + */ +function twentynineteen_scripts() { + wp_enqueue_style( 'twentynineteen-style', get_stylesheet_uri(), array(), wp_get_theme()->get( 'Version' ) ); + + wp_style_add_data( 'twentynineteen-style', 'rtl', 'replace' ); + + if ( has_nav_menu( 'menu-1' ) ) { + wp_enqueue_script( 'twentynineteen-priority-menu', get_theme_file_uri( '/js/priority-menu.js' ), array(), '1.1', true ); + wp_enqueue_script( 'twentynineteen-touch-navigation', get_theme_file_uri( '/js/touch-keyboard-navigation.js' ), array(), '1.1', true ); + } + + wp_enqueue_style( 'twentynineteen-print-style', get_template_directory_uri() . '/print.css', array(), wp_get_theme()->get( 'Version' ), 'print' ); + + if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) { + wp_enqueue_script( 'comment-reply' ); + } +} +add_action( 'wp_enqueue_scripts', 'twentynineteen_scripts' ); + +/** + * Fix skip link focus in IE11. + * + * This does not enqueue the script because it is tiny and because it is only for IE11, + * thus it does not warrant having an entire dedicated blocking script being loaded. + * + * @link https://git.io/vWdr2 + */ +function twentynineteen_skip_link_focus_fix() { + // The following is minified via `terser --compress --mangle -- js/skip-link-focus-fix.js`. + ?> + <script> + /(trident|msie)/i.test(navigator.userAgent)&&document.getElementById&&window.addEventListener&&window.addEventListener("hashchange",function(){var t,e=location.hash.substring(1);/^[A-z0-9_-]+$/.test(e)&&(t=document.getElementById(e))&&(/^(?:a|select|input|button|textarea)$/i.test(t.tagName)||(t.tabIndex=-1),t.focus())},!1); + </script> + <?php +} +add_action( 'wp_print_footer_scripts', 'twentynineteen_skip_link_focus_fix' ); + +/** + * Enqueue supplemental block editor styles. + */ +function twentynineteen_editor_customizer_styles() { + + wp_enqueue_style( 'twentynineteen-editor-customizer-styles', get_theme_file_uri( '/style-editor-customizer.css' ), false, '1.1', 'all' ); + + if ( 'custom' === get_theme_mod( 'primary_color' ) ) { + // Include color patterns. + require_once get_parent_theme_file_path( '/inc/color-patterns.php' ); + wp_add_inline_style( 'twentynineteen-editor-customizer-styles', twentynineteen_custom_colors_css() ); + } +} +add_action( 'enqueue_block_editor_assets', 'twentynineteen_editor_customizer_styles' ); + +/** + * Display custom color CSS in customizer and on frontend. + */ +function twentynineteen_colors_css_wrap() { + + // Only bother if we haven't customized the color. + if ( 'default' === get_theme_mod( 'primary_color', 'default' ) && ! twentynineteen_has_custom_default_hue() ) { + return; + } + + require_once get_parent_theme_file_path( '/inc/color-patterns.php' ); + + $primary_color = twentynineteen_get_default_hue(); + if ( 'default' !== get_theme_mod( 'primary_color', 'default' ) ) { + $primary_color = get_theme_mod( 'primary_color_hue', $primary_color ); + } + ?> + + <style type="text/css" id="custom-theme-colors" <?php echo is_customize_preview() ? 'data-hue="' . absint( $primary_color ) . '"' : ''; ?>> + <?php echo twentynineteen_custom_colors_css(); ?> + </style> + <?php +} +add_action( 'wp_head', 'twentynineteen_colors_css_wrap' ); + +/** + * Default color filters. + */ +require get_template_directory() . '/inc/color-filters.php'; + +/** + * SVG Icons class. + */ +require get_template_directory() . '/classes/class-twentynineteen-svg-icons.php'; + +/** + * Custom Comment Walker template. + */ +require get_template_directory() . '/classes/class-twentynineteen-walker-comment.php'; + +/** + * Enhance the theme by hooking into WordPress. + */ +require get_template_directory() . '/inc/template-functions.php'; + +/** + * SVG Icons related functions. + */ +require get_template_directory() . '/inc/icon-functions.php'; + +/** + * Custom template tags for the theme. + */ +require get_template_directory() . '/inc/template-tags.php'; + +/** + * Customizer additions. + */ +require get_template_directory() . '/inc/customizer.php'; |