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hpws_rich
Sep 21st, 2013
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  1. <?php
  2. /**
  3.  * Twenty Twelve functions and definitions.
  4.  *
  5.  * Sets up the theme and provides some helper functions, which are used
  6.  * in the theme as custom template tags. Others are attached to action and
  7.  * filter hooks in WordPress to change core functionality.
  8.  *
  9.  * When using a child theme (see http://codex.wordpress.org/Theme_Development and
  10.  * http://codex.wordpress.org/Child_Themes), you can override certain functions
  11.  * (those wrapped in a function_exists() call) by defining them first in your child theme's
  12.  * functions.php file. The child theme's functions.php file is included before the parent
  13.  * theme's file, so the child theme functions would be used.
  14.  *
  15.  * Functions that are not pluggable (not wrapped in function_exists()) are instead attached
  16.  * to a filter or action hook.
  17.  *
  18.  * For more information on hooks, actions, and filters, see http://codex.wordpress.org/Plugin_API.
  19.  *
  20.  * @package WordPress
  21.  * @subpackage Twenty_Twelve
  22.  * @since Twenty Twelve 1.0
  23.  */
  24.  
  25. /**
  26.  * Sets up the content width value based on the theme's design and stylesheet.
  27.  */
  28. if ( ! isset( $content_width ) )
  29.     $content_width = 625;
  30.  
  31. /**
  32.  * Sets up theme defaults and registers the various WordPress features that
  33.  * Twenty Twelve supports.
  34.  *
  35.  * @uses load_theme_textdomain() For translation/localization support.
  36.  * @uses add_editor_style() To add a Visual Editor stylesheet.
  37.  * @uses add_theme_support() To add support for post thumbnails, automatic feed links,
  38.  *  custom background, and post formats.
  39.  * @uses register_nav_menu() To add support for navigation menus.
  40.  * @uses set_post_thumbnail_size() To set a custom post thumbnail size.
  41.  *
  42.  * @since Twenty Twelve 1.0
  43.  */
  44. function twentytwelve_setup() {
  45.     /*
  46.      * Makes Twenty Twelve available for translation.
  47.      *
  48.      * Translations can be added to the /languages/ directory.
  49.      * If you're building a theme based on Twenty Twelve, use a find and replace
  50.      * to change 'twentytwelve' to the name of your theme in all the template files.
  51.      */
  52.     load_theme_textdomain( 'twentytwelve', get_template_directory() . '/languages' );
  53.  
  54.     // This theme styles the visual editor with editor-style.css to match the theme style.
  55.     add_editor_style();
  56.  
  57.     // Adds RSS feed links to <head> for posts and comments.
  58.     add_theme_support( 'automatic-feed-links' );
  59.  
  60.     // This theme supports a variety of post formats.
  61.     add_theme_support( 'post-formats', array( 'aside', 'image', 'link', 'quote', 'status' ) );
  62.  
  63.     // This theme uses wp_nav_menu() in one location.
  64.     register_nav_menu( 'primary', __( 'Primary Menu', 'twentytwelve' ) );
  65.  
  66.     /*
  67.      * This theme supports custom background color and image, and here
  68.      * we also set up the default background color.
  69.      */
  70.     add_theme_support( 'custom-background', array(
  71.         'default-color' => 'e6e6e6',
  72.     ) );
  73.  
  74.     // This theme uses a custom image size for featured images, displayed on "standard" posts.
  75.     add_theme_support( 'post-thumbnails' );
  76.     set_post_thumbnail_size( 624, 9999 ); // Unlimited height, soft crop
  77. }
  78. add_action( 'after_setup_theme', 'twentytwelve_setup' );
  79.  
  80. /**
  81.  * Adds support for a custom header image.
  82.  */
  83. require( get_template_directory() . '/inc/custom-header.php' );
  84.  
  85. /**
  86.  * Returns the Google font stylesheet URL if available.
  87.  *
  88.  * The use of Open Sans by default is localized. For languages that use
  89.  * characters not supported by the font, the font can be disabled.
  90.  *
  91.  * @since Twenty Twelve 1.2
  92.  *
  93.  * @return string Font stylesheet or empty string if disabled.
  94.  */
  95. function twentytwelve_get_font_url() {
  96.     $font_url = '';
  97.  
  98.     /* translators: If there are characters in your language that are not supported
  99.      by Open Sans, translate this to 'off'. Do not translate into your own language. */
  100.     if ( 'off' !== _x( 'on', 'Open Sans font: on or off', 'twentytwelve' ) ) {
  101.         $subsets = 'latin,latin-ext';
  102.  
  103.         /* translators: To add an additional Open Sans character subset specific to your language, translate
  104.          this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language. */
  105.         $subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)', 'twentytwelve' );
  106.  
  107.         if ( 'cyrillic' == $subset )
  108.             $subsets .= ',cyrillic,cyrillic-ext';
  109.         elseif ( 'greek' == $subset )
  110.             $subsets .= ',greek,greek-ext';
  111.         elseif ( 'vietnamese' == $subset )
  112.             $subsets .= ',vietnamese';
  113.  
  114.         $protocol = is_ssl() ? 'https' : 'http';
  115.         $query_args = array(
  116.             'family' => 'Open+Sans:400italic,700italic,400,700',
  117.             'subset' => $subsets,
  118.         );
  119.         $font_url = add_query_arg( $query_args, "$protocol://fonts.googleapis.com/css" );
  120.     }
  121.  
  122.     return $font_url;
  123. }
  124.  
  125. /**
  126.  * Enqueues scripts and styles for front-end.
  127.  *
  128.  * @since Twenty Twelve 1.0
  129.  */
  130. function twentytwelve_scripts_styles() {
  131.     global $wp_styles;
  132.  
  133.     /*
  134.      * Adds JavaScript to pages with the comment form to support
  135.      * sites with threaded comments (when in use).
  136.      */
  137.     if ( is_singular() && comments_open() && get_option( 'thread_comments' ) )
  138.         wp_enqueue_script( 'comment-reply' );
  139.  
  140.     /*
  141.      * Adds JavaScript for handling the navigation menu hide-and-show behavior.
  142.      */
  143.     wp_enqueue_script( 'twentytwelve-navigation', get_template_directory_uri() . '/js/navigation.js', array(), '1.0', true );
  144.  
  145.     $font_url = twentytwelve_get_font_url();
  146.     if ( ! empty( $font_url ) )
  147.         wp_enqueue_style( 'twentytwelve-fonts', esc_url_raw( $font_url ), array(), null );
  148.  
  149.     /*
  150.      * Loads our main stylesheet.
  151.      */
  152.     wp_enqueue_style( 'twentytwelve-style', get_stylesheet_uri() );
  153.  
  154.     /*
  155.      * Loads the Internet Explorer specific stylesheet.
  156.      */
  157.     wp_enqueue_style( 'twentytwelve-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentytwelve-style' ), '20121010' );
  158.     $wp_styles->add_data( 'twentytwelve-ie', 'conditional', 'lt IE 9' );
  159. }
  160. add_action( 'wp_enqueue_scripts', 'twentytwelve_scripts_styles' );
  161.  
  162. /**
  163.  * Adds additional stylesheets to the TinyMCE editor if needed.
  164.  *
  165.  * @uses twentytwelve_get_font_url() To get the Google Font stylesheet URL.
  166.  *
  167.  * @since Twenty Twelve 1.2
  168.  *
  169.  * @param string $mce_css CSS path to load in TinyMCE.
  170.  * @return string
  171.  */
  172. function twentytwelve_mce_css( $mce_css ) {
  173.     $font_url = twentytwelve_get_font_url();
  174.  
  175.     if ( empty( $font_url ) )
  176.         return $mce_css;
  177.  
  178.     if ( ! empty( $mce_css ) )
  179.         $mce_css .= ',';
  180.  
  181.     $mce_css .= esc_url_raw( str_replace( ',', '%2C', $font_url ) );
  182.  
  183.     return $mce_css;
  184. }
  185. add_filter( 'mce_css', 'twentytwelve_mce_css' );
  186.  
  187. /**
  188.  * Creates a nicely formatted and more specific title element text
  189.  * for output in head of document, based on current view.
  190.  *
  191.  * @since Twenty Twelve 1.0
  192.  *
  193.  * @param string $title Default title text for current view.
  194.  * @param string $sep Optional separator.
  195.  * @return string Filtered title.
  196.  */
  197. function twentytwelve_wp_title( $title, $sep ) {
  198.     global $paged, $page;
  199.  
  200.     if ( is_feed() )
  201.         return $title;
  202.  
  203.     // Add the site name.
  204.     $title .= get_bloginfo( 'name' );
  205.  
  206.     // Add the site description for the home/front page.
  207.     $site_description = get_bloginfo( 'description', 'display' );
  208.     if ( $site_description && ( is_home() || is_front_page() ) )
  209.         $title = "$title $sep $site_description";
  210.  
  211.     // Add a page number if necessary.
  212.     if ( $paged >= 2 || $page >= 2 )
  213.         $title = "$title $sep " . sprintf( __( 'Page %s', 'twentytwelve' ), max( $paged, $page ) );
  214.  
  215.     return $title;
  216. }
  217. add_filter( 'wp_title', 'twentytwelve_wp_title', 10, 2 );
  218.  
  219. /**
  220.  * Makes our wp_nav_menu() fallback -- wp_page_menu() -- show a home link.
  221.  *
  222.  * @since Twenty Twelve 1.0
  223.  */
  224. function twentytwelve_page_menu_args( $args ) {
  225.     if ( ! isset( $args['show_home'] ) )
  226.         $args['show_home'] = true;
  227.     return $args;
  228. }
  229. add_filter( 'wp_page_menu_args', 'twentytwelve_page_menu_args' );
  230.  
  231. /**
  232.  * Registers our main widget area and the front page widget areas.
  233.  *
  234.  * @since Twenty Twelve 1.0
  235.  */
  236. function twentytwelve_widgets_init() {
  237.     register_sidebar( array(
  238.         'name' => __( 'Main Sidebar', 'twentytwelve' ),
  239.         'id' => 'sidebar-1',
  240.         'description' => __( 'Appears on posts and pages except the optional Front Page template, which has its own widgets', 'twentytwelve' ),
  241.         'before_widget' => '<aside id="%1$s" class="widget %2$s">',
  242.         'after_widget' => '</aside>',
  243.         'before_title' => '<h3 class="widget-title">',
  244.         'after_title' => '</h3>',
  245.     ) );
  246.  
  247.     register_sidebar( array(
  248.         'name' => __( 'First Front Page Widget Area', 'twentytwelve' ),
  249.         'id' => 'sidebar-2',
  250.         'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ),
  251.         'before_widget' => '<aside id="%1$s" class="widget %2$s">',
  252.         'after_widget' => '</aside>',
  253.         'before_title' => '<h3 class="widget-title">',
  254.         'after_title' => '</h3>',
  255.     ) );
  256.  
  257.     register_sidebar( array(
  258.         'name' => __( 'Second Front Page Widget Area', 'twentytwelve' ),
  259.         'id' => 'sidebar-3',
  260.         'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ),
  261.         'before_widget' => '<aside id="%1$s" class="widget %2$s">',
  262.         'after_widget' => '</aside>',
  263.         'before_title' => '<h3 class="widget-title">',
  264.         'after_title' => '</h3>',
  265.     ) );
  266. }
  267. add_action( 'widgets_init', 'twentytwelve_widgets_init' );
  268.  
  269. if ( ! function_exists( 'twentytwelve_content_nav' ) ) :
  270. /**
  271.  * Displays navigation to next/previous pages when applicable.
  272.  *
  273.  * @since Twenty Twelve 1.0
  274.  */
  275. function twentytwelve_content_nav( $html_id ) {
  276.     global $wp_query;
  277.  
  278.     $html_id = esc_attr( $html_id );
  279.  
  280.     if ( $wp_query->max_num_pages > 1 ) : ?>
  281.         <nav id="<?php echo $html_id; ?>" class="navigation" role="navigation">
  282.             <h3 class="assistive-text"><?php _e( 'Post navigation', 'twentytwelve' ); ?></h3>
  283.             <div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">&larr;</span> Older posts', 'twentytwelve' ) ); ?></div>
  284.             <div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">&rarr;</span>', 'twentytwelve' ) ); ?></div>
  285.         </nav><!-- #<?php echo $html_id; ?> .navigation -->
  286.     <?php endif;
  287. }
  288. endif;
  289.  
  290. if ( ! function_exists( 'twentytwelve_comment' ) ) :
  291. /**
  292.  * Template for comments and pingbacks.
  293.  *
  294.  * To override this walker in a child theme without modifying the comments template
  295.  * simply create your own twentytwelve_comment(), and that function will be used instead.
  296.  *
  297.  * Used as a callback by wp_list_comments() for displaying the comments.
  298.  *
  299.  * @since Twenty Twelve 1.0
  300.  */
  301. function twentytwelve_comment( $comment, $args, $depth ) {
  302.     $GLOBALS['comment'] = $comment;
  303.     switch ( $comment->comment_type ) :
  304.         case 'pingback' :
  305.         case 'trackback' :
  306.         // Display trackbacks differently than normal comments.
  307.     ?>
  308.     <li <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>">
  309.         <p><?php _e( 'Pingback:', 'twentytwelve' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( '(Edit)', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?></p>
  310.     <?php
  311.             break;
  312.         default :
  313.         // Proceed with normal comments.
  314.         global $post;
  315.     ?>
  316.     <li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
  317.         <article id="comment-<?php comment_ID(); ?>" class="comment">
  318.             <header class="comment-meta comment-author vcard">
  319.                 <?php
  320.                     echo get_avatar( $comment, 44 );
  321.                     printf( '<cite><b class="fn">%1$s</b> %2$s</cite>',
  322.                         get_comment_author_link(),
  323.                         // If current post author is also comment author, make it known visually.
  324.                         ( $comment->user_id === $post->post_author ) ? '<span>' . __( 'Post author', 'twentytwelve' ) . '</span>' : ''
  325.                     );
  326.                     printf( '<a href="%1$s"><time datetime="%2$s">%3$s</time></a>',
  327.                         esc_url( get_comment_link( $comment->comment_ID ) ),
  328.                         get_comment_time( 'c' ),
  329.                         /* translators: 1: date, 2: time */
  330.                         //sprintf( __( '%1$s at %2$s', 'twentytwelve' ), get_comment_date(), get_comment_time() )
  331.                         sprintf( __( '%2$s', 'twentytwelve' ), get_comment_date(), get_comment_time() )
  332.                     );
  333.                 ?>
  334.             </header><!-- .comment-meta -->
  335.  
  336.             <?php if ( '0' == $comment->comment_approved ) : ?>
  337.                 <p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'twentytwelve' ); ?></p>
  338.             <?php endif; ?>
  339.  
  340.             <section class="comment-content comment">
  341.                 <?php comment_text(); ?>
  342.                 <?php //edit_comment_link( __( 'Edit', 'twentytwelve' ), '<p class="edit-link">', '</p>' ); ?>
  343.             </section><!-- .comment-content -->
  344.  
  345.             <div class="reply">
  346.                 <?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply', 'twentytwelve' ), 'after' => ' <!-- <span>&darr;</span> -->', 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
  347.             </div><!-- .reply -->
  348.         </article><!-- #comment-## -->
  349.     <?php
  350.         break;
  351.     endswitch; // end comment_type check
  352. }
  353. endif;
  354.  
  355. if ( ! function_exists( 'twentytwelve_entry_meta' ) ) :
  356. /**
  357.  * Prints HTML with meta information for current post: categories, tags, permalink, author, and date.
  358.  *
  359.  * Create your own twentytwelve_entry_meta() to override in a child theme.
  360.  *
  361.  * @since Twenty Twelve 1.0
  362.  */
  363. function twentytwelve_entry_meta() {
  364.     // Translators: used between list items, there is a space after the comma.
  365.     $categories_list = get_the_category_list( __( ', ', 'twentytwelve' ) );
  366.  
  367.     // Translators: used between list items, there is a space after the comma.
  368.     $tag_list = get_the_tag_list( '', __( ', ', 'twentytwelve' ) );
  369.  
  370.     $date = sprintf( '<a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a>',
  371.         esc_url( get_permalink() ),
  372.         esc_attr( get_the_time() ),
  373.         esc_attr( get_the_date( 'c' ) ),
  374.         esc_html( get_the_date() )
  375.     );
  376.  
  377.     $author = sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>',
  378.         esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
  379.         esc_attr( sprintf( __( 'View all posts by %s', 'twentytwelve' ), get_the_author() ) ),
  380.         get_the_author()
  381.     );
  382.  
  383.     // Translators: 1 is category, 2 is tag, 3 is the date and 4 is the author's name.
  384.     if ( $tag_list ) {
  385.         //$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' );
  386.         $utility_text = __( 'features: %2$s', 'twentytwelve' );
  387.     } elseif ( $categories_list ) {
  388.         //$utility_text = __( 'This entry was posted in %1$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
  389.         $utility_text = __( 'features: %1$s', 'twentytwelve' );
  390.     } else {
  391.         //$utility_text = __( 'This entry was posted on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
  392.         $utility_text = __( 'Posted on %3$s', 'twentytwelve' );
  393.     }
  394.  
  395.     printf(
  396.         $utility_text,
  397.         $categories_list,
  398.         $tag_list,
  399.         $date,
  400.         $author
  401.     );
  402. }
  403. endif;
  404.  
  405. /**
  406.  * Extends the default WordPress body class to denote:
  407.  * 1. Using a full-width layout, when no active widgets in the sidebar
  408.  *    or full-width template.
  409.  * 2. Front Page template: thumbnail in use and number of sidebars for
  410.  *    widget areas.
  411.  * 3. White or empty background color to change the layout and spacing.
  412.  * 4. Custom fonts enabled.
  413.  * 5. Single or multiple authors.
  414.  *
  415.  * @since Twenty Twelve 1.0
  416.  *
  417.  * @param array Existing class values.
  418.  * @return array Filtered class values.
  419.  */
  420. function twentytwelve_body_class( $classes ) {
  421.     $background_color = get_background_color();
  422.     $background_image = get_background_image();
  423.  
  424.     if ( ! is_active_sidebar( 'sidebar-1' ) || is_page_template( 'page-templates/full-width.php' ) )
  425.         $classes[] = 'full-width';
  426.  
  427.     if ( is_page_template( 'page-templates/front-page.php' ) ) {
  428.         $classes[] = 'template-front-page';
  429.         if ( has_post_thumbnail() )
  430.             $classes[] = 'has-post-thumbnail';
  431.         if ( is_active_sidebar( 'sidebar-2' ) && is_active_sidebar( 'sidebar-3' ) )
  432.             $classes[] = 'two-sidebars';
  433.     }
  434.  
  435.     if ( empty( $background_image ) ) {
  436.         if ( empty( $background_color ) )
  437.             $classes[] = 'custom-background-empty';
  438.         elseif ( in_array( $background_color, array( 'fff', 'ffffff' ) ) )
  439.             $classes[] = 'custom-background-white';
  440.     }
  441.  
  442.     // Enable custom font class only if the font CSS is queued to load.
  443.     if ( wp_style_is( 'twentytwelve-fonts', 'queue' ) )
  444.         $classes[] = 'custom-font-enabled';
  445.  
  446.     if ( ! is_multi_author() )
  447.         $classes[] = 'single-author';
  448.  
  449.     return $classes;
  450. }
  451. add_filter( 'body_class', 'twentytwelve_body_class' );
  452.  
  453. /**
  454.  * Adjusts content_width value for full-width and single image attachment
  455.  * templates, and when there are no active widgets in the sidebar.
  456.  *
  457.  * @since Twenty Twelve 1.0
  458.  */
  459. function twentytwelve_content_width() {
  460.     if ( is_page_template( 'page-templates/full-width.php' ) || is_attachment() || ! is_active_sidebar( 'sidebar-1' ) ) {
  461.         global $content_width;
  462.         $content_width = 960;
  463.     }
  464. }
  465. add_action( 'template_redirect', 'twentytwelve_content_width' );
  466.  
  467. /**
  468.  * Add postMessage support for site title and description for the Theme Customizer.
  469.  *
  470.  * @since Twenty Twelve 1.0
  471.  *
  472.  * @param WP_Customize_Manager $wp_customize Theme Customizer object.
  473.  * @return void
  474.  */
  475. function twentytwelve_customize_register( $wp_customize ) {
  476.     $wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
  477.     $wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';
  478.     $wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
  479. }
  480. add_action( 'customize_register', 'twentytwelve_customize_register' );
  481.  
  482. /**
  483.  * Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
  484.  *
  485.  * @since Twenty Twelve 1.0
  486.  */
  487. function twentytwelve_customize_preview_js() {
  488.     wp_enqueue_script( 'twentytwelve-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20130301', true );
  489. }
  490. add_action( 'customize_preview_init', 'twentytwelve_customize_preview_js' );
  491.  
  492. add_filter( 'the_content', 'add_related_posts_after_post_content' );
  493. function add_related_posts_after_post_content( $content ) {
  494.  
  495.     //check if it's a single post page.
  496.     if ( is_single() ) {
  497.  
  498.         // add more shortcode parameters to this string if you want
  499.         $shortcode = '[related_posts_by_tax posts_per_page="3" format="links" title="You May Also Like:"]';
  500.  
  501.         $content .= do_shortcode( $shortcode );
  502.     }
  503.  
  504.     return $content;
  505. }
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