3 * Twenty Fourteen functions and definitions
5 * Set up the theme and provides some helper functions, which are used in the
6 * theme as custom template tags. Others are attached to action and filter
7 * hooks in WordPress to change core functionality.
9 * When using a child theme you can override certain functions (those wrapped
10 * in a function_exists() call) by defining them first in your child theme's
11 * functions.php file. The child theme's functions.php file is included before
12 * the parent theme's file, so the child theme functions would be used.
14 * @link https://codex.wordpress.org/Theme_Development
15 * @link https://codex.wordpress.org/Child_Themes
17 * Functions that are not pluggable (not wrapped in function_exists()) are
18 * instead attached to a filter or action hook.
20 * For more information on hooks, actions, and filters,
21 * @link https://codex.wordpress.org/Plugin_API
24 * @subpackage Twenty_Fourteen
25 * @since Twenty Fourteen 1.0
29 * Set up the content width value based on the theme's design.
31 * @see twentyfourteen_content_width()
33 * @since Twenty Fourteen 1.0
35 if ( ! isset( $content_width ) ) {
40 * Twenty Fourteen only works in WordPress 3.6 or later.
42 if ( version_compare( $GLOBALS['wp_version'], '3.6', '<' ) ) {
43 require get_template_directory() . '/inc/back-compat.php';
46 if ( ! function_exists( 'twentyfourteen_setup' ) ) :
48 * Twenty Fourteen setup.
50 * Set up theme defaults and registers support for various WordPress features.
52 * Note that this function is hooked into the after_setup_theme hook, which
53 * runs before the init hook. The init hook is too late for some features, such
54 * as indicating support post thumbnails.
56 * @since Twenty Fourteen 1.0
58 function twentyfourteen_setup() {
61 * Make Twenty Fourteen available for translation.
63 * Translations can be added to the /languages/ directory.
64 * If you're building a theme based on Twenty Fourteen, use a find and
65 * replace to change 'twentyfourteen' to the name of your theme in all
68 load_theme_textdomain( 'twentyfourteen', get_template_directory() . '/languages' );
70 // This theme styles the visual editor to resemble the theme style.
71 add_editor_style( array( 'css/editor-style.css', twentyfourteen_font_url(), 'genericons/genericons.css' ) );
73 // Add RSS feed links to <head> for posts and comments.
74 add_theme_support( 'automatic-feed-links' );
76 // Enable support for Post Thumbnails, and declare two sizes.
77 add_theme_support( 'post-thumbnails' );
78 set_post_thumbnail_size( 672, 372, true );
79 add_image_size( 'twentyfourteen-full-width', 1038, 576, true );
81 // This theme uses wp_nav_menu() in two locations.
82 register_nav_menus( array(
83 'primary' => __( 'Top primary menu', 'twentyfourteen' ),
84 'secondary' => __( 'Secondary menu in left sidebar', 'twentyfourteen' ),
88 * Switch default core markup for search form, comment form, and comments
89 * to output valid HTML5.
91 add_theme_support( 'html5', array(
92 'search-form', 'comment-form', 'comment-list', 'gallery', 'caption'
96 * Enable support for Post Formats.
97 * See https://codex.wordpress.org/Post_Formats
99 add_theme_support( 'post-formats', array(
100 'aside', 'image', 'video', 'audio', 'quote', 'link', 'gallery',
103 // This theme allows users to set a custom background.
104 add_theme_support( 'custom-background', apply_filters( 'twentyfourteen_custom_background_args', array(
105 'default-color' => 'f5f5f5',
108 // Add support for featured content.
109 add_theme_support( 'featured-content', array(
110 'featured_content_filter' => 'twentyfourteen_get_featured_posts',
114 // This theme uses its own gallery styles.
115 add_filter( 'use_default_gallery_style', '__return_false' );
117 endif; // twentyfourteen_setup
118 add_action( 'after_setup_theme', 'twentyfourteen_setup' );
121 * Adjust content_width value for image attachment template.
123 * @since Twenty Fourteen 1.0
125 function twentyfourteen_content_width() {
126 if ( is_attachment() && wp_attachment_is_image() ) {
127 $GLOBALS['content_width'] = 810;
130 add_action( 'template_redirect', 'twentyfourteen_content_width' );
133 * Getter function for Featured Content Plugin.
135 * @since Twenty Fourteen 1.0
137 * @return array An array of WP_Post objects.
139 function twentyfourteen_get_featured_posts() {
141 * Filter the featured posts to return in Twenty Fourteen.
143 * @since Twenty Fourteen 1.0
145 * @param array|bool $posts Array of featured posts, otherwise false.
147 return apply_filters( 'twentyfourteen_get_featured_posts', array() );
151 * A helper conditional function that returns a boolean value.
153 * @since Twenty Fourteen 1.0
155 * @return bool Whether there are featured posts.
157 function twentyfourteen_has_featured_posts() {
158 return ! is_paged() && (bool) twentyfourteen_get_featured_posts();
162 * Register three Twenty Fourteen widget areas.
164 * @since Twenty Fourteen 1.0
166 function twentyfourteen_widgets_init() {
167 require get_template_directory() . '/inc/widgets.php';
168 register_widget( 'Twenty_Fourteen_Ephemera_Widget' );
170 register_sidebar( array(
171 'name' => __( 'Primary Sidebar', 'twentyfourteen' ),
173 'description' => __( 'Main sidebar that appears on the left.', 'twentyfourteen' ),
174 'before_widget' => '<aside id="%1$s" class="widget %2$s">',
175 'after_widget' => '</aside>',
176 'before_title' => '<h1 class="widget-title">',
177 'after_title' => '</h1>',
179 register_sidebar( array(
180 'name' => __( 'Content Sidebar', 'twentyfourteen' ),
182 'description' => __( 'Additional sidebar that appears on the right.', 'twentyfourteen' ),
183 'before_widget' => '<aside id="%1$s" class="widget %2$s">',
184 'after_widget' => '</aside>',
185 'before_title' => '<h1 class="widget-title">',
186 'after_title' => '</h1>',
188 register_sidebar( array(
189 'name' => __( 'Footer Widget Area', 'twentyfourteen' ),
191 'description' => __( 'Appears in the footer section of the site.', 'twentyfourteen' ),
192 'before_widget' => '<aside id="%1$s" class="widget %2$s">',
193 'after_widget' => '</aside>',
194 'before_title' => '<h1 class="widget-title">',
195 'after_title' => '</h1>',
198 add_action( 'widgets_init', 'twentyfourteen_widgets_init' );
201 * Register Lato Google font for Twenty Fourteen.
203 * @since Twenty Fourteen 1.0
207 function twentyfourteen_font_url() {
210 * Translators: If there are characters in your language that are not supported
211 * by Lato, translate this to 'off'. Do not translate into your own language.
213 if ( 'off' !== _x( 'on', 'Lato font: on or off', 'twentyfourteen' ) ) {
215 'family' => urlencode( 'Lato:300,400,700,900,300italic,400italic,700italic' ),
216 'subset' => urlencode( 'latin,latin-ext' ),
218 $font_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' );
225 * Enqueue scripts and styles for the front end.
227 * @since Twenty Fourteen 1.0
229 function twentyfourteen_scripts() {
230 // Add Lato font, used in the main stylesheet.
231 wp_enqueue_style( 'twentyfourteen-lato', twentyfourteen_font_url(), array(), null );
233 // Add Genericons font, used in the main stylesheet.
234 wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.0.3' );
236 // Load our main stylesheet.
237 wp_enqueue_style( 'twentyfourteen-style', get_stylesheet_uri() );
239 // Load the Internet Explorer specific stylesheet.
240 wp_enqueue_style( 'twentyfourteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentyfourteen-style' ), '20131205' );
241 wp_style_add_data( 'twentyfourteen-ie', 'conditional', 'lt IE 9' );
243 if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
244 wp_enqueue_script( 'comment-reply' );
247 if ( is_singular() && wp_attachment_is_image() ) {
248 wp_enqueue_script( 'twentyfourteen-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20130402' );
251 if ( is_active_sidebar( 'sidebar-3' ) ) {
252 wp_enqueue_script( 'jquery-masonry' );
255 if ( is_front_page() && 'slider' == get_theme_mod( 'featured_content_layout' ) ) {
256 wp_enqueue_script( 'twentyfourteen-slider', get_template_directory_uri() . '/js/slider.js', array( 'jquery' ), '20131205', true );
257 wp_localize_script( 'twentyfourteen-slider', 'featuredSliderDefaults', array(
258 'prevText' => __( 'Previous', 'twentyfourteen' ),
259 'nextText' => __( 'Next', 'twentyfourteen' )
263 wp_enqueue_script( 'twentyfourteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20150315', true );
265 add_action( 'wp_enqueue_scripts', 'twentyfourteen_scripts' );
268 * Enqueue Google fonts style to admin screen for custom header display.
270 * @since Twenty Fourteen 1.0
272 function twentyfourteen_admin_fonts() {
273 wp_enqueue_style( 'twentyfourteen-lato', twentyfourteen_font_url(), array(), null );
275 add_action( 'admin_print_scripts-appearance_page_custom-header', 'twentyfourteen_admin_fonts' );
277 if ( ! function_exists( 'twentyfourteen_the_attached_image' ) ) :
279 * Print the attached image with a link to the next attached image.
281 * @since Twenty Fourteen 1.0
283 function twentyfourteen_the_attached_image() {
286 * Filter the default Twenty Fourteen attachment size.
288 * @since Twenty Fourteen 1.0
290 * @param array $dimensions {
291 * An array of height and width dimensions.
293 * @type int $height Height of the image in pixels. Default 810.
294 * @type int $width Width of the image in pixels. Default 810.
297 $attachment_size = apply_filters( 'twentyfourteen_attachment_size', array( 810, 810 ) );
298 $next_attachment_url = wp_get_attachment_url();
301 * Grab the IDs of all the image attachments in a gallery so we can get the URL
302 * of the next adjacent image in a gallery, or the first image (if we're
303 * looking at the last image in a gallery), or, in a gallery of one, just the
304 * link to that image file.
306 $attachment_ids = get_posts( array(
307 'post_parent' => $post->post_parent,
310 'post_status' => 'inherit',
311 'post_type' => 'attachment',
312 'post_mime_type' => 'image',
314 'orderby' => 'menu_order ID',
317 // If there is more than 1 attachment in a gallery...
318 if ( count( $attachment_ids ) > 1 ) {
319 foreach ( $attachment_ids as $attachment_id ) {
320 if ( $attachment_id == $post->ID ) {
321 $next_id = current( $attachment_ids );
326 // get the URL of the next image attachment...
328 $next_attachment_url = get_attachment_link( $next_id );
331 // or get the URL of the first image attachment.
333 $next_attachment_url = get_attachment_link( reset( $attachment_ids ) );
337 printf( '<a href="%1$s" rel="attachment">%2$s</a>',
338 esc_url( $next_attachment_url ),
339 wp_get_attachment_image( $post->ID, $attachment_size )
344 if ( ! function_exists( 'twentyfourteen_list_authors' ) ) :
346 * Print a list of all site contributors who published at least one post.
348 * @since Twenty Fourteen 1.0
350 function twentyfourteen_list_authors() {
351 $contributor_ids = get_users( array(
353 'orderby' => 'post_count',
358 foreach ( $contributor_ids as $contributor_id ) :
359 $post_count = count_user_posts( $contributor_id );
361 // Move on if user has not published a post (yet).
362 if ( ! $post_count ) {
367 <div class="contributor">
368 <div class="contributor-info">
369 <div class="contributor-avatar"><?php echo get_avatar( $contributor_id, 132 ); ?></div>
370 <div class="contributor-summary">
371 <h2 class="contributor-name"><?php echo get_the_author_meta( 'display_name', $contributor_id ); ?></h2>
372 <p class="contributor-bio">
373 <?php echo get_the_author_meta( 'description', $contributor_id ); ?>
375 <a class="button contributor-posts-link" href="<?php echo esc_url( get_author_posts_url( $contributor_id ) ); ?>">
376 <?php printf( _n( '%d Article', '%d Articles', $post_count, 'twentyfourteen' ), $post_count ); ?>
378 </div><!-- .contributor-summary -->
379 </div><!-- .contributor-info -->
380 </div><!-- .contributor -->
388 * Extend the default WordPress body classes.
390 * Adds body classes to denote:
391 * 1. Single or multiple authors.
392 * 2. Presence of header image except in Multisite signup and activate pages.
394 * 4. Full-width content layout.
395 * 5. Presence of footer widgets.
397 * 7. Featured content layout.
399 * @since Twenty Fourteen 1.0
401 * @param array $classes A list of existing body class values.
402 * @return array The filtered body class list.
404 function twentyfourteen_body_classes( $classes ) {
405 if ( is_multi_author() ) {
406 $classes[] = 'group-blog';
409 if ( get_header_image() ) {
410 $classes[] = 'header-image';
411 } elseif ( ! in_array( $GLOBALS['pagenow'], array( 'wp-activate.php', 'wp-signup.php' ) ) ) {
412 $classes[] = 'masthead-fixed';
415 if ( is_archive() || is_search() || is_home() ) {
416 $classes[] = 'list-view';
419 if ( ( ! is_active_sidebar( 'sidebar-2' ) )
420 || is_page_template( 'page-templates/full-width.php' )
421 || is_page_template( 'page-templates/contributors.php' )
422 || is_attachment() ) {
423 $classes[] = 'full-width';
426 if ( is_active_sidebar( 'sidebar-3' ) ) {
427 $classes[] = 'footer-widgets';
430 if ( is_singular() && ! is_front_page() ) {
431 $classes[] = 'singular';
434 if ( is_front_page() && 'slider' == get_theme_mod( 'featured_content_layout' ) ) {
435 $classes[] = 'slider';
436 } elseif ( is_front_page() ) {
442 add_filter( 'body_class', 'twentyfourteen_body_classes' );
445 * Extend the default WordPress post classes.
447 * Adds a post class to denote:
448 * Non-password protected page with a post thumbnail.
450 * @since Twenty Fourteen 1.0
452 * @param array $classes A list of existing post class values.
453 * @return array The filtered post class list.
455 function twentyfourteen_post_classes( $classes ) {
456 if ( ! post_password_required() && ! is_attachment() && has_post_thumbnail() ) {
457 $classes[] = 'has-post-thumbnail';
462 add_filter( 'post_class', 'twentyfourteen_post_classes' );
465 * Create a nicely formatted and more specific title element text for output
466 * in head of document, based on current view.
468 * @since Twenty Fourteen 1.0
470 * @global int $paged WordPress archive pagination page count.
471 * @global int $page WordPress paginated post page count.
473 * @param string $title Default title text for current view.
474 * @param string $sep Optional separator.
475 * @return string The filtered title.
477 function twentyfourteen_wp_title( $title, $sep ) {
478 global $paged, $page;
484 // Add the site name.
485 $title .= get_bloginfo( 'name', 'display' );
487 // Add the site description for the home/front page.
488 $site_description = get_bloginfo( 'description', 'display' );
489 if ( $site_description && ( is_home() || is_front_page() ) ) {
490 $title = "$title $sep $site_description";
493 // Add a page number if necessary.
494 if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) {
495 $title = "$title $sep " . sprintf( __( 'Page %s', 'twentyfourteen' ), max( $paged, $page ) );
500 add_filter( 'wp_title', 'twentyfourteen_wp_title', 10, 2 );
502 // Implement Custom Header features.
503 require get_template_directory() . '/inc/custom-header.php';
505 // Custom template tags for this theme.
506 require get_template_directory() . '/inc/template-tags.php';
508 // Add Customizer functionality.
509 require get_template_directory() . '/inc/customizer.php';
512 * Add Featured Content functionality.
514 * To overwrite in a plugin, define your own Featured_Content class on or
515 * before the 'setup_theme' hook.
517 if ( ! class_exists( 'Featured_Content' ) && 'plugins.php' !== $GLOBALS['pagenow'] ) {
518 require get_template_directory() . '/inc/featured-content.php';