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Diffstat (limited to 'srcs/wordpress/wp-content/themes/twentysixteen/functions.php')
| -rw-r--r-- | srcs/wordpress/wp-content/themes/twentysixteen/functions.php | 587 |
1 files changed, 587 insertions, 0 deletions
diff --git a/srcs/wordpress/wp-content/themes/twentysixteen/functions.php b/srcs/wordpress/wp-content/themes/twentysixteen/functions.php new file mode 100644 index 0000000..c180b82 --- /dev/null +++ b/srcs/wordpress/wp-content/themes/twentysixteen/functions.php @@ -0,0 +1,587 @@ +<?php +/** + * Twenty Sixteen functions and definitions + * + * Set up the theme and provides some helper functions, which are used in the + * theme as custom template tags. Others are attached to action and filter + * hooks in WordPress to change core functionality. + * + * When using a child theme you can override certain functions (those wrapped + * in a function_exists() call) by defining them first in your child theme's + * functions.php file. The child theme's functions.php file is included before + * the parent theme's file, so the child theme functions would be used. + * + * @link https://developer.wordpress.org/themes/basics/theme-functions/ + * @link https://developer.wordpress.org/themes/advanced-topics/child-themes/ + * + * Functions that are not pluggable (not wrapped in function_exists()) are + * instead attached to a filter or action hook. + * + * For more information on hooks, actions, and filters, + * {@link https://developer.wordpress.org/plugins/} + * + * @package WordPress + * @subpackage Twenty_Sixteen + * @since Twenty Sixteen 1.0 + */ + +/** + * Twenty Sixteen only works in WordPress 4.4 or later. + */ +if ( version_compare( $GLOBALS['wp_version'], '4.4-alpha', '<' ) ) { + require get_template_directory() . '/inc/back-compat.php'; +} + +if ( ! function_exists( 'twentysixteen_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 twentysixteen_setup() function to override in a child theme. + * + * @since Twenty Sixteen 1.0 + */ + function twentysixteen_setup() { + /* + * Make theme available for translation. + * Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentysixteen + * If you're building a theme based on Twenty Sixteen, use a find and replace + * to change 'twentysixteen' to the name of your theme in all the template files + */ + load_theme_textdomain( 'twentysixteen' ); + + // 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 custom logo. + * + * @since Twenty Sixteen 1.2 + */ + add_theme_support( + 'custom-logo', + array( + 'height' => 240, + 'width' => 240, + 'flex-height' => true, + ) + ); + + /* + * Enable support for Post Thumbnails on posts and pages. + * + * @link https://developer.wordpress.org/reference/functions/add_theme_support/#post-thumbnails + */ + add_theme_support( 'post-thumbnails' ); + set_post_thumbnail_size( 1200, 9999 ); + + // This theme uses wp_nav_menu() in two locations. + register_nav_menus( + array( + 'primary' => __( 'Primary Menu', 'twentysixteen' ), + 'social' => __( 'Social Links Menu', 'twentysixteen' ), + ) + ); + + /* + * 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', + 'script', + 'style', + ) + ); + + /* + * Enable support for Post Formats. + * + * See: https://wordpress.org/support/article/post-formats/ + */ + add_theme_support( + 'post-formats', + array( + 'aside', + 'image', + 'video', + 'quote', + 'link', + 'gallery', + 'status', + 'audio', + 'chat', + ) + ); + + /* + * 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', twentysixteen_fonts_url() ) ); + + // Load regular editor styles into the new block-based editor. + add_theme_support( 'editor-styles' ); + + // Load default block styles. + add_theme_support( 'wp-block-styles' ); + + // Add support for responsive embeds. + add_theme_support( 'responsive-embeds' ); + + // Add support for custom color scheme. + add_theme_support( + 'editor-color-palette', + array( + array( + 'name' => __( 'Dark Gray', 'twentysixteen' ), + 'slug' => 'dark-gray', + 'color' => '#1a1a1a', + ), + array( + 'name' => __( 'Medium Gray', 'twentysixteen' ), + 'slug' => 'medium-gray', + 'color' => '#686868', + ), + array( + 'name' => __( 'Light Gray', 'twentysixteen' ), + 'slug' => 'light-gray', + 'color' => '#e5e5e5', + ), + array( + 'name' => __( 'White', 'twentysixteen' ), + 'slug' => 'white', + 'color' => '#fff', + ), + array( + 'name' => __( 'Blue Gray', 'twentysixteen' ), + 'slug' => 'blue-gray', + 'color' => '#4d545c', + ), + array( + 'name' => __( 'Bright Blue', 'twentysixteen' ), + 'slug' => 'bright-blue', + 'color' => '#007acc', + ), + array( + 'name' => __( 'Light Blue', 'twentysixteen' ), + 'slug' => 'light-blue', + 'color' => '#9adffd', + ), + array( + 'name' => __( 'Dark Brown', 'twentysixteen' ), + 'slug' => 'dark-brown', + 'color' => '#402b30', + ), + array( + 'name' => __( 'Medium Brown', 'twentysixteen' ), + 'slug' => 'medium-brown', + 'color' => '#774e24', + ), + array( + 'name' => __( 'Dark Red', 'twentysixteen' ), + 'slug' => 'dark-red', + 'color' => '#640c1f', + ), + array( + 'name' => __( 'Bright Red', 'twentysixteen' ), + 'slug' => 'bright-red', + 'color' => '#ff675f', + ), + array( + 'name' => __( 'Yellow', 'twentysixteen' ), + 'slug' => 'yellow', + 'color' => '#ffef8e', + ), + ) + ); + + // Indicate widget sidebars can use selective refresh in the Customizer. + add_theme_support( 'customize-selective-refresh-widgets' ); + } +endif; // twentysixteen_setup +add_action( 'after_setup_theme', 'twentysixteen_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 Twenty Sixteen 1.0 + */ +function twentysixteen_content_width() { + $GLOBALS['content_width'] = apply_filters( 'twentysixteen_content_width', 840 ); +} +add_action( 'after_setup_theme', 'twentysixteen_content_width', 0 ); + +/** + * Add preconnect for Google Fonts. + * + * @since Twenty Sixteen 1.6 + * + * @param array $urls URLs to print for resource hints. + * @param string $relation_type The relation type the URLs are printed. + * @return array $urls URLs to print for resource hints. + */ +function twentysixteen_resource_hints( $urls, $relation_type ) { + if ( wp_style_is( 'twentysixteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) { + $urls[] = array( + 'href' => 'https://fonts.gstatic.com', + 'crossorigin', + ); + } + + return $urls; +} +add_filter( 'wp_resource_hints', 'twentysixteen_resource_hints', 10, 2 ); + +/** + * Registers a widget area. + * + * @link https://developer.wordpress.org/reference/functions/register_sidebar/ + * + * @since Twenty Sixteen 1.0 + */ +function twentysixteen_widgets_init() { + register_sidebar( + array( + 'name' => __( 'Sidebar', 'twentysixteen' ), + 'id' => 'sidebar-1', + 'description' => __( 'Add widgets here to appear in your sidebar.', 'twentysixteen' ), + 'before_widget' => '<section id="%1$s" class="widget %2$s">', + 'after_widget' => '</section>', + 'before_title' => '<h2 class="widget-title">', + 'after_title' => '</h2>', + ) + ); + + register_sidebar( + array( + 'name' => __( 'Content Bottom 1', 'twentysixteen' ), + 'id' => 'sidebar-2', + 'description' => __( 'Appears at the bottom of the content on posts and pages.', 'twentysixteen' ), + 'before_widget' => '<section id="%1$s" class="widget %2$s">', + 'after_widget' => '</section>', + 'before_title' => '<h2 class="widget-title">', + 'after_title' => '</h2>', + ) + ); + + register_sidebar( + array( + 'name' => __( 'Content Bottom 2', 'twentysixteen' ), + 'id' => 'sidebar-3', + 'description' => __( 'Appears at the bottom of the content on posts and pages.', 'twentysixteen' ), + 'before_widget' => '<section id="%1$s" class="widget %2$s">', + 'after_widget' => '</section>', + 'before_title' => '<h2 class="widget-title">', + 'after_title' => '</h2>', + ) + ); +} +add_action( 'widgets_init', 'twentysixteen_widgets_init' ); + +if ( ! function_exists( 'twentysixteen_fonts_url' ) ) : + /** + * Register Google fonts for Twenty Sixteen. + * + * Create your own twentysixteen_fonts_url() function to override in a child theme. + * + * @since Twenty Sixteen 1.0 + * + * @return string Google fonts URL for the theme. + */ + function twentysixteen_fonts_url() { + $fonts_url = ''; + $fonts = array(); + $subsets = 'latin,latin-ext'; + + /* + * 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', 'twentysixteen' ) ) { + $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', 'twentysixteen' ) ) { + $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', 'twentysixteen' ) ) { + $fonts[] = 'Inconsolata:400'; + } + + if ( $fonts ) { + $fonts_url = add_query_arg( + array( + 'family' => urlencode( implode( '|', $fonts ) ), + 'subset' => urlencode( $subsets ), + 'display' => urlencode( 'fallback' ), + ), + 'https://fonts.googleapis.com/css' + ); + } + + return $fonts_url; + } +endif; + +/** + * Handles JavaScript detection. + * + * Adds a `js` class to the root `<html>` element when JavaScript is detected. + * + * @since Twenty Sixteen 1.0 + */ +function twentysixteen_javascript_detection() { + echo "<script>(function(html){html.className = html.className.replace(/\bno-js\b/,'js')})(document.documentElement);</script>\n"; +} +add_action( 'wp_head', 'twentysixteen_javascript_detection', 0 ); + +/** + * Enqueues scripts and styles. + * + * @since Twenty Sixteen 1.0 + */ +function twentysixteen_scripts() { + // Add custom fonts, used in the main stylesheet. + wp_enqueue_style( 'twentysixteen-fonts', twentysixteen_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' ); + + // Theme stylesheet. + wp_enqueue_style( 'twentysixteen-style', get_stylesheet_uri(), array(), '20190507' ); + + // Theme block stylesheet. + wp_enqueue_style( 'twentysixteen-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentysixteen-style' ), '20190102' ); + + // Load the Internet Explorer specific stylesheet. + wp_enqueue_style( 'twentysixteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentysixteen-style' ), '20170530' ); + wp_style_add_data( 'twentysixteen-ie', 'conditional', 'lt IE 10' ); + + // Load the Internet Explorer 8 specific stylesheet. + wp_enqueue_style( 'twentysixteen-ie8', get_template_directory_uri() . '/css/ie8.css', array( 'twentysixteen-style' ), '20170530' ); + wp_style_add_data( 'twentysixteen-ie8', 'conditional', 'lt IE 9' ); + + // Load the Internet Explorer 7 specific stylesheet. + wp_enqueue_style( 'twentysixteen-ie7', get_template_directory_uri() . '/css/ie7.css', array( 'twentysixteen-style' ), '20170530' ); + wp_style_add_data( 'twentysixteen-ie7', 'conditional', 'lt IE 8' ); + + // Load the html5 shiv. + wp_enqueue_script( 'twentysixteen-html5', get_template_directory_uri() . '/js/html5.js', array(), '3.7.3' ); + wp_script_add_data( 'twentysixteen-html5', 'conditional', 'lt IE 9' ); + + wp_enqueue_script( 'twentysixteen-skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array(), '20170530', 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( 'twentysixteen-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20170530' ); + } + + wp_enqueue_script( 'twentysixteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20181217', true ); + + wp_localize_script( + 'twentysixteen-script', + 'screenReaderText', + array( + 'expand' => __( 'expand child menu', 'twentysixteen' ), + 'collapse' => __( 'collapse child menu', 'twentysixteen' ), + ) + ); +} +add_action( 'wp_enqueue_scripts', 'twentysixteen_scripts' ); + +/** + * Enqueue styles for the block-based editor. + * + * @since Twenty Sixteen 1.6 + */ +function twentysixteen_block_editor_styles() { + // Block styles. + wp_enqueue_style( 'twentysixteen-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '20190102' ); + // Add custom fonts. + wp_enqueue_style( 'twentysixteen-fonts', twentysixteen_fonts_url(), array(), null ); +} +add_action( 'enqueue_block_editor_assets', 'twentysixteen_block_editor_styles' ); + +/** + * Adds custom classes to the array of body classes. + * + * @since Twenty Sixteen 1.0 + * + * @param array $classes Classes for the body element. + * @return array (Maybe) filtered body classes. + */ +function twentysixteen_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; +} +add_filter( 'body_class', 'twentysixteen_body_classes' ); + +/** + * Converts a HEX value to RGB. + * + * @since Twenty Sixteen 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 twentysixteen_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 ) ); + } elseif ( 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, + ); +} + +/** + * Custom template tags for this theme. + */ +require get_template_directory() . '/inc/template-tags.php'; + +/** + * Customizer additions. + */ +require get_template_directory() . '/inc/customizer.php'; + +/** + * Add custom image sizes attribute to enhance responsive image functionality + * for content images + * + * @since Twenty Sixteen 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. + */ +function twentysixteen_content_image_sizes_attr( $sizes, $size ) { + $width = $size[0]; + + if ( 840 <= $width ) { + $sizes = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px'; + } + + if ( 'page' === get_post_type() ) { + if ( 840 > $width ) { + $sizes = '(max-width: ' . $width . 'px) 85vw, ' . $width . 'px'; + } + } else { + if ( 840 > $width && 600 <= $width ) { + $sizes = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px'; + } elseif ( 600 > $width ) { + $sizes = '(max-width: ' . $width . 'px) 85vw, ' . $width . 'px'; + } + } + + return $sizes; +} +add_filter( 'wp_calculate_image_sizes', 'twentysixteen_content_image_sizes_attr', 10, 2 ); + +/** + * Add custom image sizes attribute to enhance responsive image functionality + * for post thumbnails + * + * @since Twenty Sixteen 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 array The filtered attributes for the image markup. + */ +function twentysixteen_post_thumbnail_sizes_attr( $attr, $attachment, $size ) { + if ( 'post-thumbnail' === $size ) { + if ( is_active_sidebar( 'sidebar-1' ) ) { + $attr['sizes'] = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 60vw, (max-width: 1362px) 62vw, 840px'; + } else { + $attr['sizes'] = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 88vw, 1200px'; + } + } + return $attr; +} +add_filter( 'wp_get_attachment_image_attributes', 'twentysixteen_post_thumbnail_sizes_attr', 10, 3 ); + +/** + * Modifies tag cloud widget arguments to display all tags in the same font size + * and use list format for better accessibility. + * + * @since Twenty Sixteen 1.1 + * + * @param array $args Arguments for tag cloud widget. + * @return array The filtered arguments for tag cloud widget. + */ +function twentysixteen_widget_tag_cloud_args( $args ) { + $args['largest'] = 1; + $args['smallest'] = 1; + $args['unit'] = 'em'; + $args['format'] = 'list'; + + return $args; +} +add_filter( 'widget_tag_cloud_args', 'twentysixteen_widget_tag_cloud_args' ); |