for posts and comments.
add_theme_support( 'automatic-feed-links' );
/*
* This theme supports all available post formats by default.
* See http://codex.wordpress.org/Post_Formats
*/
add_theme_support( 'post-formats', array(
'aside', 'audio', 'chat', 'gallery', 'image', 'link', 'quote', 'status', 'video'
) );
// This theme uses wp_nav_menu() in one location.
register_nav_menu( 'primary', __( 'Navigation Menu', 'twentythirteen' ) );
/*
* This theme uses a custom image size for featured images, displayed on
* "standard" posts and pages.
*/
add_theme_support( 'post-thumbnails' );
set_post_thumbnail_size( 604, 270, true );
// Register custom image size for image post formats.
add_image_size( 'twentythirteen-image-post', 724, 1288 );
// This theme uses its own gallery styles.
add_filter( 'use_default_gallery_style', '__return_false' );
}
add_action( 'after_setup_theme', 'twentythirteen_setup' );
/**
* Returns the Google font stylesheet URL, if available.
*
* The use of Source Sans Pro and Bitter by default is localized. For languages
* that use characters not supported by the font, the font can be disabled.
*
* @since Twenty Thirteen 1.0
*
* @return string Font stylesheet or empty string if disabled.
*/
function twentythirteen_fonts_url() {
$fonts_url = '';
/* Translators: If there are characters in your language that are not
* supported by Source Sans Pro, translate this to 'off'. Do not translate
* into your own language.
*/
$source_sans_pro = _x( 'on', 'Source Sans Pro font: on or off', 'twentythirteen' );
/* Translators: If there are characters in your language that are not
* supported by Bitter, translate this to 'off'. Do not translate into your
* own language.
*/
$bitter = _x( 'on', 'Bitter font: on or off', 'twentythirteen' );
if ( 'off' !== $source_sans_pro || 'off' !== $bitter ) {
$font_families = array();
if ( 'off' !== $source_sans_pro )
$font_families[] = 'Source+Sans+Pro:400,700,300italic,400italic,700italic';
if ( 'off' !== $bitter )
$font_families[] = 'Bitter:400,700';
$protocol = is_ssl() ? 'https' : 'http';
$query_args = array(
'family' => implode( '|', $font_families ),
'subset' => 'latin,latin-ext',
);
$fonts_url = add_query_arg( $query_args, "$protocol://fonts.googleapis.com/css" );
}
return $fonts_url;
}
/**
* Loads our special font CSS file.
*
* To disable in a child theme, use wp_dequeue_style()
* function mytheme_dequeue_fonts() {
* wp_dequeue_style( 'twentythirteen-fonts' );
* }
* add_action( 'wp_enqueue_scripts', 'mytheme_dequeue_fonts', 11 );
*
* Also used in the Appearance > Header admin panel:
* @see twentythirteen_custom_header_setup()
*
* @since Twenty Thirteen 1.0
*
* @return void
*/
function twentythirteen_fonts() {
$fonts_url = twentythirteen_fonts_url();
if ( ! empty( $fonts_url ) )
wp_enqueue_style( 'twentythirteen-fonts', esc_url_raw( $fonts_url ), array(), null );
}
add_action( 'wp_enqueue_scripts', 'twentythirteen_fonts' );
/**
* Adds additional stylesheets to the TinyMCE editor if needed.
*
* @uses twentythirteen_fonts_url() to get the Google Font stylesheet URL.
*
* @since Twenty Thirteen 1.0
*
* @param string $mce_css CSS path to load in TinyMCE.
* @return string
*/
function twentythirteen_mce_css( $mce_css ) {
$fonts_url = twentythirteen_fonts_url();
if ( empty( $fonts_url ) )
return $mce_css;
if ( ! empty( $mce_css ) )
$mce_css .= ',';
$mce_css .= esc_url_raw( str_replace( ',', '%2C', $fonts_url ) );
return $mce_css;
}
add_filter( 'mce_css', 'twentythirteen_mce_css' );
/**
* Enqueues scripts and styles for front end.
*
* @since Twenty Thirteen 1.0
*
* @return void
*/
function twentythirteen_scripts_styles() {
global $wp_styles;
/*
* Adds JavaScript to pages with the comment form to support sites with
* threaded comments (when in use).
*/
if ( is_singular() && comments_open() && get_option( 'thread_comments' ) )
wp_enqueue_script( 'comment-reply' );
// Adds Masonry to handle vertical alignment of footer widgets.
if ( is_active_sidebar( 'sidebar-1' ) )
wp_enqueue_script( 'jquery-masonry' );
// Loads JavaScript file with functionality specific to Twenty Thirteen.
wp_enqueue_script( 'twentythirteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20130423', true );
// Loads our main stylesheet.
wp_enqueue_style( 'twentythirteen-style', get_stylesheet_uri() );
// Loads the Internet Explorer specific stylesheet.
wp_enqueue_style( 'twentythirteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentythirteen-style' ), '20130213' );
$wp_styles->add_data( 'twentythirteen-ie', 'conditional', 'lt IE 9' );
}
add_action( 'wp_enqueue_scripts', 'twentythirteen_scripts_styles' );
/**
* Creates a nicely formatted and more specific title element text for output
* in head of document, based on current view.
*
* @since Twenty Thirteen 1.0
*
* @param string $title Default title text for current view.
* @param string $sep Optional separator.
* @return string Filtered title.
*/
function twentythirteen_wp_title( $title, $sep ) {
global $paged, $page;
if ( is_feed() )
return $title;
// Add the site name.
$title .= get_bloginfo( 'name' );
// Add the site description for the home/front page.
$site_description = get_bloginfo( 'description', 'display' );
if ( $site_description && ( is_home() || is_front_page() ) )
$title = "$title $sep $site_description";
// Add a page number if necessary.
if ( $paged >= 2 || $page >= 2 )
$title = "$title $sep " . sprintf( __( 'Page %s', 'twentythirteen' ), max( $paged, $page ) );
return $title;
}
add_filter( 'wp_title', 'twentythirteen_wp_title', 10, 2 );
/**
* Registers two widget areas.
*
* @since Twenty Thirteen 1.0
*
* @return void
*/
function twentythirteen_widgets_init() {
register_sidebar( array(
'name' => __( 'Main Widget Area', 'twentythirteen' ),
'id' => 'sidebar-1',
'description' => __( 'Appears in the footer section of the site', 'twentythirteen' ),
'before_widget' => '',
'before_title' => '
',
'after_title' => '
',
) );
register_sidebar( array(
'name' => __( 'Secondary Widget Area', 'twentythirteen' ),
'id' => 'sidebar-2',
'description' => __( 'Appears on posts and pages in the sidebar.', 'twentythirteen' ),
'before_widget' => '',
'before_title' => '
',
'after_title' => '
',
) );
}
add_action( 'widgets_init', 'twentythirteen_widgets_init' );
if ( ! function_exists( 'twentythirteen_paging_nav' ) ) :
/**
* Displays navigation to next/previous set of posts when applicable.
*
* @since Twenty Thirteen 1.0
*
* @return void
*/
function twentythirteen_paging_nav() {
global $wp_query;
// Don't print empty markup if there's only one page.
if ( $wp_query->max_num_pages < 2 && ( is_home() || is_archive() || is_search() ) )
return;
?>
post_parent ) : get_adjacent_post( false, '', true );
$next = get_adjacent_post( false, '', false );
if ( ! $next && ! $previous )
return;
?>
' . __( 'Sticky', 'twentythirteen' ) . '';
if ( ! has_post_format( 'link' ) && 'post' == get_post_type() )
twentythirteen_entry_date();
// Translators: used between list items, there is a space after the comma.
$categories_list = get_the_category_list( __( ', ', 'twentythirteen' ) );
if ( $categories_list ) {
echo '' . $categories_list . '';
}
// Translators: used between list items, there is a space after the comma.
$tag_list = get_the_tag_list( '', __( ', ', 'twentythirteen' ) );
if ( $tag_list ) {
echo '' . $tag_list . '';
}
// Post author
if ( 'post' == get_post_type() ) {
printf( '%3$s',
esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
esc_attr( sprintf( __( 'View all posts by %s', 'twentythirteen' ), get_the_author() ) ),
get_the_author()
);
}
}
endif;
if ( ! function_exists( 'twentythirteen_entry_date' ) ) :
/**
* Prints HTML with date information for current post.
*
* Create your own twentythirteen_entry_date() to override in a child theme.
*
* @since Twenty Thirteen 1.0
*
* @param boolean $echo Whether to echo the date. Default true.
* @return string
*/
function twentythirteen_entry_date( $echo = true ) {
$format_prefix = ( has_post_format( 'chat' ) || has_post_format( 'status' ) ) ? _x( '%1$s on %2$s', '1: post format name. 2: date', 'twentythirteen' ): '%2$s';
$date = sprintf( '',
esc_url( get_permalink() ),
esc_attr( sprintf( __( 'Permalink to %s', 'twentythirteen' ), the_title_attribute( 'echo=0' ) ) ),
esc_attr( get_the_date( 'c' ) ),
esc_html( sprintf( $format_prefix, get_post_format_string( get_post_format() ), get_the_date() ) )
);
if ( $echo )
echo $date;
return $date;
}
endif;
/**
* Returns the URL from the post.
*
* @uses get_the_link() to get the URL in the post meta (if it exists) or
* the first link found in the post content.
*
* Falls back to the post permalink if no URL is found in the post.
*
* @since Twenty Thirteen 1.0
* @return string URL
*/
function twentythirteen_get_link_url() {
$has_url = get_the_post_format_url();
return ( $has_url ) ? $has_url : apply_filters( 'the_permalink', get_permalink() );
}
/**
* Sets the image size in featured galleries to large.
*
* @since Twenty Thirteen 1.0
*
* @param array $atts Combined and filtered attribute list.
* @return array
*/
function twentythirteen_gallery_atts( $atts ) {
if ( has_post_format( 'gallery' ) && ! is_single() )
$atts['size'] = wp_is_mobile() ? 'thumbnail' : 'medium';
return $atts;
}
add_filter( 'shortcode_atts_gallery', 'twentythirteen_gallery_atts' );
/**
* Extends the default WordPress body class to denote:
* 1. Custom fonts enabled.
* 2. Single or multiple authors.
* 3. Active widgets in the sidebar to change the layout and spacing.
* 4. When avatars are disabled in discussion settings.
*
* @since Twenty Thirteen 1.0
*
* @param array $classes Existing class values.
* @return array Filtered class values.
*/
function twentythirteen_body_class( $classes ) {
// Enable custom font class only if the font CSS is queued to load.
if ( wp_style_is( 'twentythirteen-fonts', 'enqueued' ) )
$classes[] = 'custom-font';
if ( ! is_multi_author() )
$classes[] = 'single-author';
if ( is_active_sidebar( 'sidebar-2' ) && ! is_attachment() && ! is_404() )
$classes[] = 'sidebar';
if ( ! get_option( 'show_avatars' ) )
$classes[] = 'no-avatars';
return $classes;
}
add_filter( 'body_class', 'twentythirteen_body_class' );
/**
* Adjusts content_width value for video post formats and attachment templates.
*
* @since Twenty Thirteen 1.0
*
* @return void
*/
function twentythirteen_content_width() {
if ( has_post_format( 'video' ) || is_attachment() ) {
global $content_width;
$content_width = 724;
}
}
add_action( 'template_redirect', 'twentythirteen_content_width' );
/**
* Adjusts content_width value for video shortcodes in video post formats.
*
* @since Twenty Thirteen 1.0
*
* @param array $atts Attribute list.
* @return array Filtered attribute list.
*/
function twentythirteen_video_width( $atts ) {
if ( ! is_admin() && has_post_format( 'video' ) ) {
$new_width = 724;
$atts['height'] = round( ( $atts['height'] * $new_width ) / $atts['width'] );
$atts['width'] = $new_width;
}
return $atts;
}
add_action( 'embed_defaults', 'twentythirteen_video_width' );
add_action( 'shortcode_atts_video', 'twentythirteen_video_width' );
/**
* Switches default core markup for search form to output valid HTML5.
*
* @param string $format Expected markup format, default is `xhtml`
* @return string Twenty Thirteen loves HTML5.
*/
function twentythirteen_search_form_format( $format ) {
return 'html5';
}
add_filter( 'search_form_format', 'twentythirteen_search_form_format' );
/**
* Add postMessage support for site title and description for the Customizer.
*
* @since Twenty Thirteen 1.0
*
* @param WP_Customize_Manager $wp_customize Customizer object.
* @return void
*/
function twentythirteen_customize_register( $wp_customize ) {
$wp_customize->get_setting( 'blogname' )->transport = 'postMessage';
$wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage';
$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
}
add_action( 'customize_register', 'twentythirteen_customize_register' );
/**
* Binds JavaScript handlers to make Customizer preview reload changes
* asynchronously.
*
* @since Twenty Thirteen 1.0
*/
function twentythirteen_customize_preview_js() {
wp_enqueue_script( 'twentythirteen-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20130226', true );
}
add_action( 'customize_preview_init', 'twentythirteen_customize_preview_js' );