get('Version')); define('NUCLEUS_AUTHOR_URI', $nucleus_theme -> get('AuthorURI')); define('NUCLEUS_THEME_URI', $nucleus_theme -> get('ThemeURI')); define('NUCLEUS_TEXTDOMAIN', $nucleus_theme->get('TextDomain')); define('NUCLEUS_TEMPLATE_PARTS', 'template-parts/'); if ( ! function_exists( 'nucleus_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. * * Create your own nucleus_setup() function to override in a child theme. * * @since Nucleus 1.0 */ add_action( 'after_setup_theme', 'nucleus_setup' ); function nucleus_setup() { /* * Make theme available for translation. * Translations can be filed in the /languages/ directory. * If you're building a theme based on Nucleus, use a find and replace * to change 'nucleus' to the name of your theme in all the template files */ load_theme_textdomain( 'nucleus', 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 tag in the document head, and expect WordPress to * provide it for us. */ add_theme_support( 'title-tag' ); // Custom logo add_theme_support( 'custom-logo', array( 'width' => '280', 'height' => '60', 'flex-width' => true, 'flex-height' => true, ) ); /* * Enable support for Post Thumbnails on posts and pages. * * @link http://codex.wordpress.org/Function_Reference/add_theme_support#Post_Thumbnails */ add_theme_support( 'post-thumbnails' ); set_post_thumbnail_size( 1200, 9999 ); add_image_size( 'nucleus-thumbnail-3x2', 720, 480, true ); add_image_size( 'nucleus-thumbnail-1x1', 512, 512, true ); // This theme uses wp_nav_menu() register_nav_menus( array( 'primary' => __( 'Primary Menu', 'nucleus' ), 'social-1' => __( 'Social Links Menu (Top bar)', 'nucleus' ), 'social-2' => __( 'Social Links Menu (Footer)', 'nucleus' ), ) ); /* * Switch default core markup for search form, comment form, and comments * to output valid HTML5. */ add_theme_support( 'html5', array( 'comment-form', 'comment-list', 'gallery', 'caption', ) ); // Custom background add_theme_support( 'custom-background', array( 'default-color' => 'ffffff', ) ); /* * This theme styles the visual editor to resemble the theme style, * specifically font, colors, icons, and column width. */ add_editor_style( array( 'css/editor-style.css', nucleus_fonts_url() ) ); // Indicate widget sidebars can use selective refresh in the Customizer. add_theme_support( 'customize-selective-refresh-widgets' ); } endif; // nucleus_setup /** * Sets 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 * * @since Nucleus 1.0 */ add_action( 'after_setup_theme', 'nucleus_content_width', 0 ); function nucleus_content_width() { $GLOBALS['content_width'] = apply_filters( 'nucleus_content_width', 840 ); } /** * Registers a widget area. * * @link https://developer.wordpress.org/reference/functions/register_sidebar/ * * @since Nucleus 1.0 */ add_action( 'widgets_init', 'nucleus_widgets_init' ); function nucleus_widgets_init() { register_sidebar( array( 'name' => __( 'Sidebar', 'nucleus' ), 'id' => 'sidebar-1', 'description' => __( 'Add widgets here to appear in your sidebar.', 'nucleus' ), 'before_widget' => '<section id="%1$s" class="widget %2$s">', 'after_widget' => '</section>', 'before_title' => '<h2 class="widget-title"><span class="widget-title-icon"></span>', 'after_title' => '</h2>', ) ); register_sidebar( array( 'name' => __( 'Below entry title', 'nucleus' ), 'id' => 'sidebar-below-entry-title', 'description' => __( 'Appears below entry title in single posts.', 'nucleus' ), 'before_widget' => '<section id="%1$s" class="sidebar-entry-content %2$s">', 'after_widget' => '</section>', 'before_title' => '<h2>', 'after_title' => '</h2>', ) ); register_sidebar( array( 'name' => __( 'Below entry content', 'nucleus' ), 'id' => 'sidebar-below-entry-content', 'description' => __( 'Appears below entry content in single posts.', 'nucleus' ), 'before_widget' => '<section id="%1$s" class="sidebar-entry-content %2$s">', 'after_widget' => '</section>', 'before_title' => '<h2>', 'after_title' => '</h2>', ) ); register_sidebar( array( 'name' => __( 'Content Bottom 1', 'nucleus' ), 'id' => 'sidebar-2', 'description' => __( 'Appears at the bottom of the content on posts and pages.', 'nucleus' ), 'before_widget' => '<section id="%1$s" class="widget %2$s">', 'after_widget' => '</section>', 'before_title' => '<h2 class="widget-title">', 'after_title' => '</h2>', ) ); register_sidebar( array( 'name' => __( 'Content Bottom 2', 'nucleus' ), 'id' => 'sidebar-3', 'description' => __( 'Appears at the bottom of the content on posts and pages.', 'nucleus' ), 'before_widget' => '<section id="%1$s" class="widget %2$s">', 'after_widget' => '</section>', 'before_title' => '<h2 class="widget-title">', 'after_title' => '</h2>', ) ); } if ( ! function_exists( 'nucleus_fonts_url' ) ) : /** * Register Google fonts for Nucleus. * * Create your own nucleus_fonts_url() function to override in a child theme. * * @since Nucleus 1.0 * * @return string Google fonts URL for the theme. */ function nucleus_fonts_url() { $fonts_url = ''; $fonts = array(); $subsets = 'latin,latin-ext'; $fuente = esc_attr( get_theme_mod('nucleus_fonts', 'Open Sans') ); $fonts[] = "$fuente:400,700,900,400italic,700italic,900italic"; /* translators: If there are characters in your language that are not supported by Merriweather, translate this to 'off'. Do not translate into your own language. */ if ( 'off' !== _x( 'on', 'Merriweather font: on or off', 'nucleus' ) ) { $fonts[] = 'Merriweather:400,700,900,400italic,700italic,900italic'; } /* translators: If there are characters in your language that are not supported by Montserrat, translate this to 'off'. Do not translate into your own language. */ if ( 'off' !== _x( 'on', 'Montserrat font: on or off', 'nucleus' ) ) { $fonts[] = 'Montserrat:400,700'; } /* translators: If there are characters in your language that are not supported by Inconsolata, translate this to 'off'. Do not translate into your own language. */ if ( 'off' !== _x( 'on', 'Inconsolata font: on or off', 'nucleus' ) ) { $fonts[] = 'Inconsolata:400'; } if ( $fonts ) { $fonts_url = add_query_arg( array( 'family' => urlencode( implode( '|', $fonts ) ), 'subset' => urlencode( $subsets ), ), 'https://fonts.googleapis.com/css' ); } return $fonts_url; } endif; /** * Add preconnect for Google Fonts. * * @since Nucleus 1.2.0 * * @param array $urls URLs to print for resource hints. * @param string $relation_type The relation type the URLs are printed. * @return array URLs to print for resource hints. */ add_filter( 'wp_resource_hints', 'nucleus_resource_hints', 10, 2 ); function nucleus_resource_hints( $urls, $relation_type ) { if ( wp_style_is( 'nucleus-fonts', 'queue' ) && 'preconnect' === $relation_type ) { if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) { $urls[] = array( 'href' => 'https://fonts.gstatic.com', 'crossorigin', ); } else { $urls[] = 'https://fonts.gstatic.com'; } } return $urls; } /** * Handles JavaScript detection. * * Adds a `js` class to the root `<html>` element when JavaScript is detected. * * @since Nucleus 1.0 */ add_action( 'wp_head', 'nucleus_javascript_detection', 0 ); function nucleus_javascript_detection() { echo "<script>(function(html){html.className = html.className.replace(/\bno-js\b/,'js')})(document.documentElement);</script>\n"; } /** * Enqueues scripts and styles. * * @since Nucleus 1.0 */ add_action( 'wp_enqueue_scripts', 'nucleus_scripts' ); function nucleus_scripts() { // Add custom fonts, used in the main stylesheet. wp_enqueue_style( 'nucleus-fonts', nucleus_fonts_url(), array(), null ); // Add Genericons, used in the main stylesheet. wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.4.1' ); // Add Dashicons wp_enqueue_style( 'dashicons' ); // Theme stylesheet. wp_enqueue_style( 'nucleus-style', get_stylesheet_uri(), '', NUCLEUS_VERSION ); // Load the Internet Explorer specific stylesheet. wp_enqueue_style( 'nucleus-ie', get_template_directory_uri() . '/css/ie.css', array( 'nucleus-style' ), '20150930' ); wp_style_add_data( 'nucleus-ie', 'conditional', 'lt IE 10' ); // Load the Internet Explorer 8 specific stylesheet. wp_enqueue_style( 'nucleus-ie8', get_template_directory_uri() . '/css/ie8.css', array( 'nucleus-style' ), '20151230' ); wp_style_add_data( 'nucleus-ie8', 'conditional', 'lt IE 9' ); // Load the Internet Explorer 7 specific stylesheet. wp_enqueue_style( 'nucleus-ie7', get_template_directory_uri() . '/css/ie7.css', array( 'nucleus-style' ), '20150930' ); wp_style_add_data( 'nucleus-ie7', 'conditional', 'lt IE 8' ); // Load the html5 shiv. wp_enqueue_script( 'nucleus-html5', get_template_directory_uri() . '/js/html5.js', array(), '3.7.3' ); wp_script_add_data( 'nucleus-html5', 'conditional', 'lt IE 9' ); wp_enqueue_script( 'nucleus-skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array(), '20151112', true ); if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) { wp_enqueue_script( 'comment-reply' ); } if ( is_singular() && wp_attachment_is_image() ) { wp_enqueue_script( 'nucleus-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20151104' ); } wp_enqueue_script( 'nucleus-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20151204', true ); wp_localize_script( 'nucleus-script', 'screenReaderText', array( 'expand' => __( 'expand child menu', 'nucleus' ), 'collapse' => __( 'collapse child menu', 'nucleus' ), ) ); // General scripts wp_enqueue_script('nucleus-general-scripts', get_template_directory_uri() .'/js/nucleus-general-scripts.js', array('jquery'), NUCLEUS_VERSION, true); } /** * Adds custom classes to the array of body classes. * * @since Nucleus 1.0 * * @param array $classes Classes for the body element. * @return array (Maybe) filtered body classes. */ add_filter( 'body_class', 'nucleus_body_classes' ); function nucleus_body_classes( $classes ) { // Adds a class of custom-background-image to sites with a custom background image. if ( get_background_image() ) { $classes[] = 'custom-background-image'; } // Adds a class of group-blog to sites with more than 1 published author. if ( is_multi_author() ) { $classes[] = 'group-blog'; } // Adds a class of no-sidebar to sites without active sidebar. if ( ! is_active_sidebar( 'sidebar-1' ) ) { $classes[] = 'no-sidebar'; } // Adds a class of hfeed to non-singular pages. if ( ! is_singular() ) { $classes[] = 'hfeed'; } return $classes; } /** * Converts a HEX value to RGB. * * @since Nucleus 1.0 * * @param string $color The original color, in 3- or 6-digit hexadecimal form. * @return array Array containing RGB (red, green, and blue) values for the given * HEX code, empty array otherwise. */ function nucleus_hex2rgb( $color ) { $color = trim( $color, '#' ); if ( strlen( $color ) === 3 ) { $r = hexdec( substr( $color, 0, 1 ).substr( $color, 0, 1 ) ); $g = hexdec( substr( $color, 1, 1 ).substr( $color, 1, 1 ) ); $b = hexdec( substr( $color, 2, 1 ).substr( $color, 2, 1 ) ); } else if ( strlen( $color ) === 6 ) { $r = hexdec( substr( $color, 0, 2 ) ); $g = hexdec( substr( $color, 2, 2 ) ); $b = hexdec( substr( $color, 4, 2 ) ); } else { return array(); } return array( 'red' => $r, 'green' => $g, 'blue' => $b ); } /** * Add support for a custom header image. */ require( get_template_directory() . '/inc/custom-header.php' ); /** * Custom template tags for this theme. */ require get_template_directory() . '/inc/template-tags.php'; /** * Customizer additions. */ require get_template_directory() . '/inc/nucleus-lite-customizer.php'; require get_template_directory() . '/inc/nucleus-lite-customization.php'; /** * Add custom image sizes attribute to enhance responsive image functionality * for content images * * @since Nucleus 1.0 * * @param string $sizes A source size value for use in a 'sizes' attribute. * @param array $size Image size. Accepts an array of width and height * values in pixels (in that order). * @return string A source size value for use in a content image 'sizes' attribute. */ add_filter( 'wp_calculate_image_sizes', 'nucleus_content_image_sizes_attr', 10 , 2 ); function nucleus_content_image_sizes_attr( $sizes, $size ) { $width = $size[0]; 840 <= $width && $sizes = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px'; if ( 'page' === get_post_type() ) { 840 > $width && $sizes = '(max-width: ' . $width . 'px) 85vw, ' . $width . 'px'; } else { 840 > $width && 600 <= $width && $sizes = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px'; 600 > $width && $sizes = '(max-width: ' . $width . 'px) 85vw, ' . $width . 'px'; } return $sizes; } /** * Add custom image sizes attribute to enhance responsive image functionality * for post thumbnails * * @since Nucleus 1.0 * * @param array $attr Attributes for the image markup. * @param int $attachment Image attachment ID. * @param array $size Registered image size or flat array of height and width dimensions. * @return string A source size value for use in a post thumbnail 'sizes' attribute. */ add_filter( 'wp_get_attachment_image_attributes', 'nucleus_post_thumbnail_sizes_attr', 10 , 3 ); function nucleus_post_thumbnail_sizes_attr( $attr, $attachment, $size ) { if ( 'post-thumbnail' === $size ) { is_active_sidebar( 'sidebar-1' ) && $attr['sizes'] = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 60vw, (max-width: 1362px) 62vw, 840px'; ! is_active_sidebar( 'sidebar-1' ) && $attr['sizes'] = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 88vw, 1200px'; } return $attr; } /** * Modifies tag cloud widget arguments to have all tags in the widget same font size. * * @since Nucleus 1.1 * * @param array $args Arguments for tag cloud widget. * @return array A new modified arguments. */ add_filter( 'widget_tag_cloud_args', 'nucleus_widget_tag_cloud_args' ); function nucleus_widget_tag_cloud_args( $args ) { $args['largest'] = 1; $args['smallest'] = 1; $args['unit'] = 'em'; return $args; } /* Include */ require_once( get_template_directory() . '/inc/nucleus-help.php' );