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<?php |
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/** |
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* Twenty Twelve functions and definitions |
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* |
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* Sets up the theme and provides some helper functions, which are used |
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* in the theme as custom template tags. Others are attached to action and |
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* filter hooks in WordPress to change core functionality. |
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* |
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* When using a child theme (see http://codex.wordpress.org/Theme_Development and |
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* http://codex.wordpress.org/Child_Themes), you can override certain functions |
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* (those wrapped in a function_exists() call) by defining them first in your child theme's |
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* functions.php file. The child theme's functions.php file is included before the parent |
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* theme's file, so the child theme functions would be used. |
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* |
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* Functions that are not pluggable (not wrapped in function_exists()) are instead attached |
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* to a filter or action hook. |
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* |
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* For more information on hooks, actions, and filters, @link http://codex.wordpress.org/Plugin_API |
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* |
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* @package WordPress |
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* @subpackage Twenty_Twelve |
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* @since Twenty Twelve 1.0 |
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*/ |
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// Set up the content width value based on the theme's design and stylesheet. |
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if ( ! isset( $content_width ) ) |
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$content_width = 625; |
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/** |
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* Twenty Twelve setup. |
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* |
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* Sets up theme defaults and registers the various WordPress features that |
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* Twenty Twelve supports. |
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* |
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* @uses load_theme_textdomain() For translation/localization support. |
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* @uses add_editor_style() To add a Visual Editor stylesheet. |
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* @uses add_theme_support() To add support for post thumbnails, automatic feed links, |
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* custom background, and post formats. |
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* @uses register_nav_menu() To add support for navigation menus. |
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* @uses set_post_thumbnail_size() To set a custom post thumbnail size. |
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* |
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* @since Twenty Twelve 1.0 |
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*/ |
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function twentytwelve_setup() { |
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/* |
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* Makes Twenty Twelve available for translation. |
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* |
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* Translations can be added to the /languages/ directory. |
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* If you're building a theme based on Twenty Twelve, use a find and replace |
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* to change 'twentytwelve' to the name of your theme in all the template files. |
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*/ |
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load_theme_textdomain( 'twentytwelve', get_template_directory() . '/languages' ); |
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// This theme styles the visual editor with editor-style.css to match the theme style. |
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add_editor_style(); |
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// Adds RSS feed links to <head> for posts and comments. |
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add_theme_support( 'automatic-feed-links' ); |
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// This theme supports a variety of post formats. |
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add_theme_support( 'post-formats', array( 'aside', 'image', 'link', 'quote', 'status' ) ); |
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// This theme uses wp_nav_menu() in one location. |
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register_nav_menu( 'primary', __( 'Primary Menu', 'twentytwelve' ) ); |
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/* |
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* This theme supports custom background color and image, |
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* and here we also set up the default background color. |
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*/ |
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add_theme_support( 'custom-background', array( |
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'default-color' => 'e6e6e6', |
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) ); |
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// This theme uses a custom image size for featured images, displayed on "standard" posts. |
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add_theme_support( 'post-thumbnails' ); |
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set_post_thumbnail_size( 624, 9999 ); // Unlimited height, soft crop |
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} |
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add_action( 'after_setup_theme', 'twentytwelve_setup' ); |
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/** |
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* Add support for a custom header image. |
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*/ |
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require( get_template_directory() . '/inc/custom-header.php' ); |
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/** |
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* Return the Google font stylesheet URL if available. |
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* |
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* The use of Open Sans by default is localized. For languages that use |
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* characters not supported by the font, the font can be disabled. |
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* |
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* @since Twenty Twelve 1.2 |
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* |
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* @return string Font stylesheet or empty string if disabled. |
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*/ |
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function twentytwelve_get_font_url() { |
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$font_url = ''; |
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/* translators: If there are characters in your language that are not supported |
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* by Open Sans, translate this to 'off'. Do not translate into your own language. |
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*/ |
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if ( 'off' !== _x( 'on', 'Open Sans font: on or off', 'twentytwelve' ) ) { |
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$subsets = 'latin,latin-ext'; |
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/* translators: To add an additional Open Sans character subset specific to your language, |
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* translate this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language. |
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*/ |
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$subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)', 'twentytwelve' ); |
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if ( 'cyrillic' == $subset ) |
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$subsets .= ',cyrillic,cyrillic-ext'; |
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elseif ( 'greek' == $subset ) |
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$subsets .= ',greek,greek-ext'; |
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elseif ( 'vietnamese' == $subset ) |
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$subsets .= ',vietnamese'; |
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$protocol = is_ssl() ? 'https' : 'http'; |
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$query_args = array( |
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'family' => 'Open+Sans:400italic,700italic,400,700', |
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'subset' => $subsets, |
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); |
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$font_url = add_query_arg( $query_args, "$protocol://fonts.googleapis.com/css" ); |
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} |
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return $font_url; |
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} |
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/** |
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* Enqueue scripts and styles for front-end. |
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* |
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* @since Twenty Twelve 1.0 |
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* |
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* @return void |
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*/ |
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function twentytwelve_scripts_styles() { |
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global $wp_styles; |
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/* |
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* Adds JavaScript to pages with the comment form to support |
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* sites with threaded comments (when in use). |
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*/ |
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if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) |
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wp_enqueue_script( 'comment-reply' ); |
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// Adds JavaScript for handling the navigation menu hide-and-show behavior. |
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wp_enqueue_script( 'twentytwelve-navigation', get_template_directory_uri() . '/js/navigation.js', array(), '1.0', true ); |
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$font_url = twentytwelve_get_font_url(); |
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if ( ! empty( $font_url ) ) |
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wp_enqueue_style( 'twentytwelve-fonts', esc_url_raw( $font_url ), array(), null ); |
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// Loads our main stylesheet. |
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wp_enqueue_style( 'twentytwelve-style', get_stylesheet_uri() ); |
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// Loads the Internet Explorer specific stylesheet. |
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wp_enqueue_style( 'twentytwelve-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentytwelve-style' ), '20121010' ); |
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$wp_styles->add_data( 'twentytwelve-ie', 'conditional', 'lt IE 9' ); |
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} |
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add_action( 'wp_enqueue_scripts', 'twentytwelve_scripts_styles' ); |
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/** |
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* Filter TinyMCE CSS path to include Google Fonts. |
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* |
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* Adds additional stylesheets to the TinyMCE editor if needed. |
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* |
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* @uses twentytwelve_get_font_url() To get the Google Font stylesheet URL. |
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* |
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* @since Twenty Twelve 1.2 |
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* |
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* @param string $mce_css CSS path to load in TinyMCE. |
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* @return string Filtered CSS path. |
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*/ |
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function twentytwelve_mce_css( $mce_css ) { |
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$font_url = twentytwelve_get_font_url(); |
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if ( empty( $font_url ) ) |
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return $mce_css; |
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if ( ! empty( $mce_css ) ) |
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$mce_css .= ','; |
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$mce_css .= esc_url_raw( str_replace( ',', '%2C', $font_url ) ); |
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return $mce_css; |
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} |
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add_filter( 'mce_css', 'twentytwelve_mce_css' ); |
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/** |
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* Filter the page title. |
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* |
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* Creates a nicely formatted and more specific title element text |
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* for output in head of document, based on current view. |
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* |
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* @since Twenty Twelve 1.0 |
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* |
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* @param string $title Default title text for current view. |
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* @param string $sep Optional separator. |
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* @return string Filtered title. |
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*/ |
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function twentytwelve_wp_title( $title, $sep ) { |
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global $paged, $page; |
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if ( is_feed() ) |
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return $title; |
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// Add the site name. |
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$title .= get_bloginfo( 'name' ); |
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// Add the site description for the home/front page. |
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$site_description = get_bloginfo( 'description', 'display' ); |
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if ( $site_description && ( is_home() || is_front_page() ) ) |
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$title = "$title $sep $site_description"; |
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// Add a page number if necessary. |
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if ( $paged >= 2 || $page >= 2 ) |
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$title = "$title $sep " . sprintf( __( 'Page %s', 'twentytwelve' ), max( $paged, $page ) ); |
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return $title; |
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} |
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add_filter( 'wp_title', 'twentytwelve_wp_title', 10, 2 ); |
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/** |
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* Filter the page menu arguments. |
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* |
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* Makes our wp_nav_menu() fallback -- wp_page_menu() -- show a home link. |
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* |
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* @since Twenty Twelve 1.0 |
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*/ |
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function twentytwelve_page_menu_args( $args ) { |
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if ( ! isset( $args['show_home'] ) ) |
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$args['show_home'] = true; |
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return $args; |
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} |
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add_filter( 'wp_page_menu_args', 'twentytwelve_page_menu_args' ); |
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/** |
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* Register sidebars. |
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* |
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* Registers our main widget area and the front page widget areas. |
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* |
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* @since Twenty Twelve 1.0 |
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*/ |
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function twentytwelve_widgets_init() { |
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register_sidebar( array( |
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'name' => __( 'Main Sidebar', 'twentytwelve' ), |
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'id' => 'sidebar-1', |
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'description' => __( 'Appears on posts and pages except the optional Front Page template, which has its own widgets', 'twentytwelve' ), |
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'before_widget' => '<aside id="%1$s" class="widget %2$s">', |
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'after_widget' => '</aside>', |
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'before_title' => '<h3 class="widget-title">', |
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'after_title' => '</h3>', |
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) ); |
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register_sidebar( array( |
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'name' => __( 'First Front Page Widget Area', 'twentytwelve' ), |
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'id' => 'sidebar-2', |
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'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ), |
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'before_widget' => '<aside id="%1$s" class="widget %2$s">', |
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'after_widget' => '</aside>', |
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'before_title' => '<h3 class="widget-title">', |
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'after_title' => '</h3>', |
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) ); |
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register_sidebar( array( |
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'name' => __( 'Second Front Page Widget Area', 'twentytwelve' ), |
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'id' => 'sidebar-3', |
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'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ), |
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'before_widget' => '<aside id="%1$s" class="widget %2$s">', |
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'after_widget' => '</aside>', |
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'before_title' => '<h3 class="widget-title">', |
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'after_title' => '</h3>', |
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) ); |
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} |
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add_action( 'widgets_init', 'twentytwelve_widgets_init' ); |
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if ( ! function_exists( 'twentytwelve_content_nav' ) ) : |
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/** |
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* Displays navigation to next/previous pages when applicable. |
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* |
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* @since Twenty Twelve 1.0 |
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*/ |
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function twentytwelve_content_nav( $html_id ) { |
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global $wp_query; |
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$html_id = esc_attr( $html_id ); |
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if ( $wp_query->max_num_pages > 1 ) : ?> |
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<nav id="<?php echo $html_id; ?>" class="navigation" role="navigation"> |
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<h3 class="assistive-text"><?php _e( 'Post navigation', 'twentytwelve' ); ?></h3> |
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<div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">←</span> Older posts', 'twentytwelve' ) ); ?></div> |
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<div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">→</span>', 'twentytwelve' ) ); ?></div> |
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</nav><!-- #<?php echo $html_id; ?> .navigation --> |
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<?php endif; |
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} |
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endif; |
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if ( ! function_exists( 'twentytwelve_comment' ) ) : |
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/** |
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* Template for comments and pingbacks. |
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* |
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* To override this walker in a child theme without modifying the comments template |
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* simply create your own twentytwelve_comment(), and that function will be used instead. |
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* |
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* Used as a callback by wp_list_comments() for displaying the comments. |
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* |
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* @since Twenty Twelve 1.0 |
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* |
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* @return void |
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*/ |
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function twentytwelve_comment( $comment, $args, $depth ) { |
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$GLOBALS['comment'] = $comment; |
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switch ( $comment->comment_type ) : |
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case 'pingback' : |
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case 'trackback' : |
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// Display trackbacks differently than normal comments. |
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?> |
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<li <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>"> |
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<p><?php _e( 'Pingback:', 'twentytwelve' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( '(Edit)', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?></p> |
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<?php |
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break; |
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default : |
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// Proceed with normal comments. |
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global $post; |
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?> |
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<li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>"> |
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<article id="comment-<?php comment_ID(); ?>" class="comment"> |
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<header class="comment-meta comment-author vcard"> |
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<?php |
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echo get_avatar( $comment, 44 ); |
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printf( '<cite><b class="fn">%1$s</b> %2$s</cite>', |
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get_comment_author_link(), |
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// If current post author is also comment author, make it known visually. |
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( $comment->user_id === $post->post_author ) ? '<span>' . __( 'Post author', 'twentytwelve' ) . '</span>' : '' |
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); |
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printf( '<a href="%1$s"><time datetime="%2$s">%3$s</time></a>', |
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esc_url( get_comment_link( $comment->comment_ID ) ), |
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get_comment_time( 'c' ), |
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/* translators: 1: date, 2: time */ |
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sprintf( __( '%1$s at %2$s', 'twentytwelve' ), get_comment_date(), get_comment_time() ) |
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); |
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?> |
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</header><!-- .comment-meta --> |
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<?php if ( '0' == $comment->comment_approved ) : ?> |
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<p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'twentytwelve' ); ?></p> |
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<?php endif; ?> |
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<section class="comment-content comment"> |
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<?php comment_text(); ?> |
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<?php edit_comment_link( __( 'Edit', 'twentytwelve' ), '<p class="edit-link">', '</p>' ); ?> |
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</section><!-- .comment-content --> |
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<div class="reply"> |
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<?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply', 'twentytwelve' ), 'after' => ' <span>↓</span>', 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?> |
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354 |
</div><!-- .reply --> |
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355 |
</article><!-- #comment-## --> |
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356 |
<?php |
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357 |
break; |
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358 |
endswitch; // end comment_type check |
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359 |
} |
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360 |
endif; |
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361 |
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362 |
if ( ! function_exists( 'twentytwelve_entry_meta' ) ) : |
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363 |
/** |
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364 |
* Set up post entry meta. |
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365 |
* |
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366 |
* Prints HTML with meta information for current post: categories, tags, permalink, author, and date. |
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367 |
* |
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368 |
* Create your own twentytwelve_entry_meta() to override in a child theme. |
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369 |
* |
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370 |
* @since Twenty Twelve 1.0 |
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371 |
* |
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372 |
* @return void |
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373 |
*/ |
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374 |
function twentytwelve_entry_meta() { |
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375 |
// Translators: used between list items, there is a space after the comma. |
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376 |
$categories_list = get_the_category_list( __( ', ', 'twentytwelve' ) ); |
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377 |
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378 |
// Translators: used between list items, there is a space after the comma. |
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379 |
$tag_list = get_the_tag_list( '', __( ', ', 'twentytwelve' ) ); |
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|
380 |
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381 |
$date = sprintf( '<a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a>', |
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382 |
esc_url( get_permalink() ), |
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383 |
esc_attr( get_the_time() ), |
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384 |
esc_attr( get_the_date( 'c' ) ), |
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385 |
esc_html( get_the_date() ) |
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386 |
); |
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387 |
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388 |
$author = sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>', |
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389 |
esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ), |
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390 |
esc_attr( sprintf( __( 'View all posts by %s', 'twentytwelve' ), get_the_author() ) ), |
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|
391 |
get_the_author() |
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|
392 |
); |
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|
393 |
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|
394 |
// Translators: 1 is category, 2 is tag, 3 is the date and 4 is the author's name. |
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|
395 |
if ( $tag_list ) { |
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|
396 |
$utility_text = __( 'This entry was posted in %1$s and tagged %2$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' ); |
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|
397 |
} elseif ( $categories_list ) { |
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|
398 |
$utility_text = __( 'This entry was posted in %1$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' ); |
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|
399 |
} else { |
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|
400 |
$utility_text = __( 'This entry was posted on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' ); |
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|
401 |
} |
|
|
402 |
|
|
|
403 |
printf( |
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|
404 |
$utility_text, |
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|
405 |
$categories_list, |
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|
406 |
$tag_list, |
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|
407 |
$date, |
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|
408 |
$author |
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|
409 |
); |
|
|
410 |
} |
|
|
411 |
endif; |
|
|
412 |
|
|
|
413 |
/** |
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|
414 |
* Extend the default WordPress body classes. |
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|
415 |
* |
|
|
416 |
* Extends the default WordPress body class to denote: |
|
|
417 |
* 1. Using a full-width layout, when no active widgets in the sidebar |
|
|
418 |
* or full-width template. |
|
|
419 |
* 2. Front Page template: thumbnail in use and number of sidebars for |
|
|
420 |
* widget areas. |
|
|
421 |
* 3. White or empty background color to change the layout and spacing. |
|
|
422 |
* 4. Custom fonts enabled. |
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|
423 |
* 5. Single or multiple authors. |
|
|
424 |
* |
|
|
425 |
* @since Twenty Twelve 1.0 |
|
|
426 |
* |
|
|
427 |
* @param array $classes Existing class values. |
|
|
428 |
* @return array Filtered class values. |
|
|
429 |
*/ |
|
|
430 |
function twentytwelve_body_class( $classes ) { |
|
|
431 |
$background_color = get_background_color(); |
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|
432 |
$background_image = get_background_image(); |
|
|
433 |
|
|
|
434 |
if ( ! is_active_sidebar( 'sidebar-1' ) || is_page_template( 'page-templates/full-width.php' ) ) |
|
|
435 |
$classes[] = 'full-width'; |
|
|
436 |
|
|
|
437 |
if ( is_page_template( 'page-templates/front-page.php' ) ) { |
|
|
438 |
$classes[] = 'template-front-page'; |
|
|
439 |
if ( has_post_thumbnail() ) |
|
|
440 |
$classes[] = 'has-post-thumbnail'; |
|
|
441 |
if ( is_active_sidebar( 'sidebar-2' ) && is_active_sidebar( 'sidebar-3' ) ) |
|
|
442 |
$classes[] = 'two-sidebars'; |
|
|
443 |
} |
|
|
444 |
|
|
|
445 |
if ( empty( $background_image ) ) { |
|
|
446 |
if ( empty( $background_color ) ) |
|
|
447 |
$classes[] = 'custom-background-empty'; |
|
|
448 |
elseif ( in_array( $background_color, array( 'fff', 'ffffff' ) ) ) |
|
|
449 |
$classes[] = 'custom-background-white'; |
|
|
450 |
} |
|
|
451 |
|
|
|
452 |
// Enable custom font class only if the font CSS is queued to load. |
|
|
453 |
if ( wp_style_is( 'twentytwelve-fonts', 'queue' ) ) |
|
|
454 |
$classes[] = 'custom-font-enabled'; |
|
|
455 |
|
|
|
456 |
if ( ! is_multi_author() ) |
|
|
457 |
$classes[] = 'single-author'; |
|
|
458 |
|
|
|
459 |
return $classes; |
|
|
460 |
} |
|
|
461 |
add_filter( 'body_class', 'twentytwelve_body_class' ); |
|
|
462 |
|
|
|
463 |
/** |
|
|
464 |
* Adjust content width in certain contexts. |
|
|
465 |
* |
|
|
466 |
* Adjusts content_width value for full-width and single image attachment |
|
|
467 |
* templates, and when there are no active widgets in the sidebar. |
|
|
468 |
* |
|
|
469 |
* @since Twenty Twelve 1.0 |
|
|
470 |
* |
|
|
471 |
* @return void |
|
|
472 |
*/ |
|
|
473 |
function twentytwelve_content_width() { |
|
|
474 |
if ( is_page_template( 'page-templates/full-width.php' ) || is_attachment() || ! is_active_sidebar( 'sidebar-1' ) ) { |
|
|
475 |
global $content_width; |
|
|
476 |
$content_width = 960; |
|
|
477 |
} |
|
|
478 |
} |
|
|
479 |
add_action( 'template_redirect', 'twentytwelve_content_width' ); |
|
|
480 |
|
|
|
481 |
/** |
|
|
482 |
* Register postMessage support. |
|
|
483 |
* |
|
|
484 |
* Add postMessage support for site title and description for the Customizer. |
|
|
485 |
* |
|
|
486 |
* @since Twenty Twelve 1.0 |
|
|
487 |
* |
|
|
488 |
* @param WP_Customize_Manager $wp_customize Customizer object. |
|
|
489 |
* @return void |
|
|
490 |
*/ |
|
|
491 |
function twentytwelve_customize_register( $wp_customize ) { |
|
|
492 |
$wp_customize->get_setting( 'blogname' )->transport = 'postMessage'; |
|
|
493 |
$wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage'; |
|
|
494 |
$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage'; |
|
|
495 |
} |
|
|
496 |
add_action( 'customize_register', 'twentytwelve_customize_register' ); |
|
|
497 |
|
|
|
498 |
/** |
|
|
499 |
* Enqueue Javascript postMessage handlers for the Customizer. |
|
|
500 |
* |
|
|
501 |
* Binds JS handlers to make the Customizer preview reload changes asynchronously. |
|
|
502 |
* |
|
|
503 |
* @since Twenty Twelve 1.0 |
|
|
504 |
* |
|
|
505 |
* @return void |
|
|
506 |
*/ |
|
|
507 |
function twentytwelve_customize_preview_js() { |
|
|
508 |
wp_enqueue_script( 'twentytwelve-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20130301', true ); |
|
|
509 |
} |
|
|
510 |
add_action( 'customize_preview_init', 'twentytwelve_customize_preview_js' ); |