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5750c6d41b
git-svn-id: http://svn.automattic.com/wordpress/trunk@20011 1a063a9b-81f0-0310-95a4-ce76da25c4cd
342 lines
11 KiB
PHP
342 lines
11 KiB
PHP
<?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. Some helper functions
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* are used 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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* The first function, twentytwelve_setup(), sets up the theme by registering support
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* for various features in WordPress, such as a custom background and a navigation menu.
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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, see 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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/**
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* Set the content width based on the theme's design and stylesheet.
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*/
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if ( ! isset( $content_width ) )
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$content_width = 584;
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/**
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* Tell WordPress to run twentytwelve_setup() when the 'after_setup_theme' hook is run.
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*/
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add_action( 'after_setup_theme', 'twentytwelve_setup' );
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if ( ! function_exists( 'twentytwelve_setup' ) ) :
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/**
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* Sets up theme defaults and registers support for various WordPress features.
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*
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* @uses load_theme_textdomain() For translation/localization support.
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* @uses add_theme_support() To add support for automatic feed links.
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* @uses register_nav_menu() To add support for navigation menus.
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* @uses add_custom_background() To add support for a custom background.
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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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* Make Twenty Twelve available for translation.
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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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// Add default posts and comments RSS feed links to <head>.
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add_theme_support( 'automatic-feed-links' );
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// Add support for a variety of post formats
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add_theme_support( 'post-formats', array( 'aside', 'image', 'link', 'quote' ) );
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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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// Add support for custom background.
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add_custom_background();
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// Add support for a custom header image.
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$header_args = array(
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'random-default' => true,
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'flex-height' => true,
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'suggested-height' => apply_filters( 'twentytwelve_header_image_height', 250 ),
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'flex-width' => true,
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'max-width' => apply_filters( 'twentytwelve_header_image_max_width', 2000 ),
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'suggested-width' => apply_filters( 'twentytwelve_header_image_width', 960 ),
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);
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add_theme_support( 'custom-header', $header_args );
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add_custom_image_header( 'twentytwelve_header_style', 'twentytwelve_admin_header_style', 'twentytwelve_admin_header_image' );
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// The default header text color
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define( 'HEADER_TEXTCOLOR', '444' );
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}
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endif;
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if ( ! function_exists( 'twentytwelve_header_style' ) ) :
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/**
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* Styles the header image and text displayed on the blog
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*
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* get_header_textcolor() options: HEADER_TEXTCOLOR is default, hide text (returns 'blank'), or any hex value
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_header_style() {
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// If no custom options for text are set, let's bail
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if ( HEADER_TEXTCOLOR == get_header_textcolor() )
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return;
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// If we get this far, we have custom styles.
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?>
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<style type="text/css">
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<?php
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// Has the text been hidden?
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if ( 'blank' == get_header_textcolor() ) :
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?>
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.site-title,
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.site-description {
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position: absolute !important;
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clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
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clip: rect(1px, 1px, 1px, 1px);
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}
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<?php
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// If the user has set a custom color for the text, use that.
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else :
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?>
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.site-title a,
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.site-description {
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color: #<?php echo get_header_textcolor(); ?> !important;
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}
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<?php endif; ?>
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</style>
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<?php
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}
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endif;
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if ( ! function_exists( 'twentytwelve_admin_header_style' ) ) :
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/**
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* Styles the header image displayed on the Appearance > Header admin panel.
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*
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* Referenced via add_custom_image_header() in twentytwelve_setup().
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_admin_header_style() {
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?>
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<style type="text/css">
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.appearance_page_custom-header #headimg {
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border: none;
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}
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#headimg h1,
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#headimg h2 {
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line-height: 1.6;
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margin: 0;
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padding: 0;
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}
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#headimg h1 {
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font-size: 30px;
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}
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#headimg h1 a {
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text-decoration: none;
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}
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#headimg h2 {
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font: normal 13px/1.8 "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif;
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margin-bottom: 24px;
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}
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#headimg img {
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}
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</style>
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<?php
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}
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endif;
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if ( ! function_exists( 'twentytwelve_admin_header_image' ) ) :
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/**
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* Custom header image markup displayed on the Appearance > Header admin panel.
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*
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* Referenced via add_custom_image_header() in twentytwelve_setup().
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_admin_header_image() { ?>
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<div id="headimg">
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<?php
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if ( 'blank' == get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) || '' == get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) )
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$style = ' style="display:none;"';
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else
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$style = ' style="color:#' . get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) . ';"';
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?>
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<h1><a id="name"<?php echo $style; ?> onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a></h1>
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<h2 id="desc"<?php echo $style; ?>><?php bloginfo( 'description' ); ?></h2>
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<?php $header_image = get_header_image();
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if ( ! empty( $header_image ) ) : ?>
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<img src="<?php echo esc_url( $header_image ); ?>" alt="" />
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<?php endif; ?>
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</div>
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<?php }
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endif;
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/**
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* Enqueue script for handling navigation.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_scripts() {
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wp_enqueue_script( 'jquery' );
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wp_enqueue_script( 'navigation', get_template_directory_uri() . '/js/navigation.js', 'jquery', '20120227', true );
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}
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add_action( 'wp_enqueue_scripts', 'twentytwelve_scripts' );
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/**
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* Get our wp_nav_menu() fallback, wp_page_menu(), to 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( $args ) {
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$args['show_home'] = true;
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return $args;
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}
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add_filter( 'wp_page_menu_args', 'twentytwelve_page_menu_args' );
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/**
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* Register our single widget area.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_widgets_init() {
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register_sidebar( array(
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'name' => __( 'Main Sidebar', 'twentytwelve' ),
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'id' => 'sidebar-1',
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'before_widget' => '<aside id="%1$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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* Display 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( $nav_id ) {
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global $wp_query;
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if ( $wp_query->max_num_pages > 1 ) : ?>
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<nav id="<?php echo $nav_id; ?>" role="navigation">
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<h3 class="assistive-text"><?php _e( 'Post navigation', 'twentytwelve' ); ?></h3>
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<div class="nav-previous alignleft"><?php next_posts_link( __( '<span class="meta-nav">←</span> Older posts', 'twentytwelve' ) ); ?></div>
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<div class="nav-next alignright"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">→</span>', 'twentytwelve' ) ); ?></div>
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</nav><!-- #nav-above -->
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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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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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?>
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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( $comment, 44 );
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printf( '<cite class="fn">%s</cite>', get_comment_author_link() );
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printf( '<a href="%1$s"><time pubdate 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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<?php edit_comment_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?>
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</header>
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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 post-content">
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<?php comment_text(); ?>
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</section>
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<div class="reply">
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<?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply <span>↓</span>', 'twentytwelve' ), 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
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</div><!-- .reply -->
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</article><!-- #comment-## -->
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<?php
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break;
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endswitch; // end comment_type check
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}
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endif;
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if ( ! function_exists( 'twentytwelve_posted_on' ) ) :
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/**
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* Prints HTML with meta information for the current post-date/time and author.
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*
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* Create your own twentytwelve_posted_on() to override in a child theme.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_posted_on() {
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printf( __( '<span class="sep">Posted on </span><a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s" pubdate>%4$s</time></a><span class="by-author"> <span class="sep"> by </span> <span class="author vcard"><a class="url fn n" href="%5$s" title="%6$s" rel="author">%7$s</a></span></span>', 'twentytwelve' ),
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esc_url( get_permalink() ),
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esc_attr( get_the_time() ),
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esc_attr( get_the_date( 'c' ) ),
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esc_html( get_the_date() ),
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esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
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esc_attr( sprintf( __( 'View all posts by %s', 'twentytwelve' ), get_the_author() ) ),
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get_the_author()
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);
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}
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endif;
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/**
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* Extends the default WordPress body class to denote a full-width layout.
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*
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* Used in two cases: no active widgets in sidebar, and full-width page template.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_body_class( $classes ) {
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if ( ! is_active_sidebar( 'sidebar-1' ) || is_page_template( 'full-width' ) )
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$classes[] = 'full-width';
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return $classes;
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}
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add_filter( 'body_class', 'twentytwelve_body_class' );
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