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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. * Enqueues scripts and styles for front-end.
  87. *
  88. * @since Twenty Twelve 1.0
  89. */
  90. function twentytwelve_scripts_styles() {
  91. global $wp_styles;
  92.  
  93. /*
  94. * Adds JavaScript to pages with the comment form to support
  95. * sites with threaded comments (when in use).
  96. */
  97. if ( is_singular() && comments_open() && get_option( 'thread_comments' ) )
  98. wp_enqueue_script( 'comment-reply' );
  99.  
  100. /*
  101. * Adds JavaScript for handling the navigation menu hide-and-show behavior.
  102. */
  103. wp_enqueue_script( 'twentytwelve-navigation', get_template_directory_uri() . '/js/navigation.js', array(), '1.0', true );
  104.  
  105. /*
  106. * Loads our special font CSS file.
  107. *
  108. * The use of Open Sans by default is localized. For languages that use
  109. * characters not supported by the font, the font can be disabled.
  110. *
  111. * To disable in a child theme, use wp_dequeue_style()
  112. * function mytheme_dequeue_fonts() {
  113. * wp_dequeue_style( 'twentytwelve-fonts' );
  114. * }
  115. * add_action( 'wp_enqueue_scripts', 'mytheme_dequeue_fonts', 11 );
  116. */
  117.  
  118. /* translators: If there are characters in your language that are not supported
  119. by Open Sans, translate this to 'off'. Do not translate into your own language. */
  120. if ( 'off' !== _x( 'on', 'Open Sans font: on or off', 'twentytwelve' ) ) {
  121. $subsets = 'latin,latin-ext';
  122.  
  123. /* translators: To add an additional Open Sans character subset specific to your language, translate
  124. this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language. */
  125. $subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)', 'twentytwelve' );
  126.  
  127. if ( 'cyrillic' == $subset )
  128. $subsets .= ',cyrillic,cyrillic-ext';
  129. elseif ( 'greek' == $subset )
  130. $subsets .= ',greek,greek-ext';
  131. elseif ( 'vietnamese' == $subset )
  132. $subsets .= ',vietnamese';
  133.  
  134. $protocol = is_ssl() ? 'https' : 'http';
  135. $query_args = array(
  136. 'family' => 'Open+Sans:400italic,700italic,400,700',
  137. 'subset' => $subsets,
  138. );
  139. wp_enqueue_style( 'twentytwelve-fonts', add_query_arg( $query_args, "$protocol://fonts.googleapis.com/css" ), array(), null );
  140. }
  141.  
  142. /*
  143. * Loads our main stylesheet.
  144. */
  145. wp_enqueue_style( 'twentytwelve-style', get_stylesheet_uri() );
  146.  
  147. /*
  148. * Loads the Internet Explorer specific stylesheet.
  149. */
  150. wp_enqueue_style( 'twentytwelve-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentytwelve-style' ), '20121010' );
  151. $wp_styles->add_data( 'twentytwelve-ie', 'conditional', 'lt IE 9' );
  152. }
  153. add_action( 'wp_enqueue_scripts', 'twentytwelve_scripts_styles' );
  154.  
  155. /**
  156. * Creates a nicely formatted and more specific title element text
  157. * for output in head of document, based on current view.
  158. *
  159. * @since Twenty Twelve 1.0
  160. *
  161. * @param string $title Default title text for current view.
  162. * @param string $sep Optional separator.
  163. * @return string Filtered title.
  164. */
  165. function twentytwelve_wp_title( $title, $sep ) {
  166. global $paged, $page;
  167.  
  168. if ( is_feed() )
  169. return $title;
  170.  
  171. // Add the site name.
  172. $title .= get_bloginfo( 'name' );
  173.  
  174. // Add the site description for the home/front page.
  175. $site_description = get_bloginfo( 'description', 'display' );
  176. if ( $site_description && ( is_home() || is_front_page() ) )
  177. $title = "$title $sep $site_description";
  178.  
  179. // Add a page number if necessary.
  180. if ( $paged >= 2 || $page >= 2 )
  181. $title = "$title $sep " . sprintf( __( 'Page %s', 'twentytwelve' ), max( $paged, $page ) );
  182.  
  183. return $title;
  184. }
  185. add_filter( 'wp_title', 'twentytwelve_wp_title', 10, 2 );
  186.  
  187. /**
  188. * Makes our wp_nav_menu() fallback -- wp_page_menu() -- show a home link.
  189. *
  190. * @since Twenty Twelve 1.0
  191. */
  192. function twentytwelve_page_menu_args( $args ) {
  193. if ( ! isset( $args['show_home'] ) )
  194. $args['show_home'] = true;
  195. return $args;
  196. }
  197. add_filter( 'wp_page_menu_args', 'twentytwelve_page_menu_args' );
  198.  
  199. /**
  200. * Registers our main widget area and the front page widget areas.
  201. *
  202. * @since Twenty Twelve 1.0
  203. */
  204. function twentytwelve_widgets_init() {
  205. register_sidebar( array(
  206. 'name' => __( 'Main Sidebar', 'twentytwelve' ),
  207. 'id' => 'sidebar-1',
  208. 'description' => __( 'Appears on posts and pages except the optional Front Page template, which has its own widgets', 'twentytwelve' ),
  209. 'before_widget' => '<aside id="%1$s" class="widget %2$s">',
  210. 'after_widget' => '</aside>',
  211. 'before_title' => '<h3 class="widget-title">',
  212. 'after_title' => '</h3>',
  213. ) );
  214.  
  215. register_sidebar( array(
  216. 'name' => __( 'First Front Page Widget Area', 'twentytwelve' ),
  217. 'id' => 'sidebar-2',
  218. 'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ),
  219. 'before_widget' => '<aside id="%1$s" class="widget %2$s">',
  220. 'after_widget' => '</aside>',
  221. 'before_title' => '<h3 class="widget-title">',
  222. 'after_title' => '</h3>',
  223. ) );
  224.  
  225. register_sidebar( array(
  226. 'name' => __( 'Second Front Page Widget Area', 'twentytwelve' ),
  227. 'id' => 'sidebar-3',
  228. 'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ),
  229. 'before_widget' => '<aside id="%1$s" class="widget %2$s">',
  230. 'after_widget' => '</aside>',
  231. 'before_title' => '<h3 class="widget-title">',
  232. 'after_title' => '</h3>',
  233. ) );
  234. }
  235. add_action( 'widgets_init', 'twentytwelve_widgets_init' );
  236.  
  237. if ( ! function_exists( 'twentytwelve_content_nav' ) ) :
  238. /**
  239. * Displays navigation to next/previous pages when applicable.
  240. *
  241. * @since Twenty Twelve 1.0
  242. */
  243. function twentytwelve_content_nav( $html_id ) {
  244. global $wp_query;
  245.  
  246. $html_id = esc_attr( $html_id );
  247.  
  248. if ( $wp_query->max_num_pages > 1 ) : ?>
  249. <nav id="<?php echo $html_id; ?>" class="navigation" role="navigation">
  250. <h3 class="assistive-text"><?php _e( 'Post navigation', 'twentytwelve' ); ?></h3>
  251. <div class="nav-previous alignleft"><?php next_posts_link( __( '<span class="meta-nav">&larr;</span> Older posts', 'twentytwelve' ) ); ?></div>
  252. <div class="nav-next alignright"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">&rarr;</span>', 'twentytwelve' ) ); ?></div>
  253. </nav><!-- #<?php echo $html_id; ?> .navigation -->
  254. <?php endif;
  255. }
  256. endif;
  257.  
  258. if ( ! function_exists( 'twentytwelve_comment' ) ) :
  259. /**
  260. * Template for comments and pingbacks.
  261. *
  262. * To override this walker in a child theme without modifying the comments template
  263. * simply create your own twentytwelve_comment(), and that function will be used instead.
  264. *
  265. * Used as a callback by wp_list_comments() for displaying the comments.
  266. *
  267. * @since Twenty Twelve 1.0
  268. */
  269. function twentytwelve_comment( $comment, $args, $depth ) {
  270. $GLOBALS['comment'] = $comment;
  271. switch ( $comment->comment_type ) :
  272. case 'pingback' :
  273. case 'trackback' :
  274. // Display trackbacks differently than normal comments.
  275. ?>
  276. <li <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>">
  277. <p><?php _e( 'Pingback:', 'twentytwelve' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( '(Edit)', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?></p>
  278. <?php
  279. break;
  280. default :
  281. // Proceed with normal comments.
  282. global $post;
  283. ?>
  284. <li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
  285. <article id="comment-<?php comment_ID(); ?>" class="comment">
  286. <header class="comment-meta comment-author vcard">
  287. <?php
  288. echo get_avatar( $comment, 44 );
  289. printf( '<cite class="fn">%1$s %2$s</cite>',
  290. get_comment_author_link(),
  291. // If current post author is also comment author, make it known visually.
  292. ( $comment->user_id === $post->post_author ) ? '<span> ' . __( 'Post author', 'twentytwelve' ) . '</span>' : ''
  293. );
  294. printf( '<a href="%1$s"><time datetime="%2$s">%3$s</time></a>',
  295. esc_url( get_comment_link( $comment->comment_ID ) ),
  296. get_comment_time( 'c' ),
  297. /* translators: 1: date, 2: time */
  298. sprintf( __( '%1$s at %2$s', 'twentytwelve' ), get_comment_date(), get_comment_time() )
  299. );
  300. ?>
  301. </header><!-- .comment-meta -->
  302.  
  303. <?php if ( '0' == $comment->comment_approved ) : ?>
  304. <p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'twentytwelve' ); ?></p>
  305. <?php endif; ?>
  306.  
  307. <section class="comment-content comment">
  308. <?php comment_text(); ?>
  309. <?php edit_comment_link( __( 'Edit', 'twentytwelve' ), '<p class="edit-link">', '</p>' ); ?>
  310. </section><!-- .comment-content -->
  311.  
  312. <div class="reply">
  313. <?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply', 'twentytwelve' ), 'after' => ' <span>&darr;</span>', 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
  314. </div><!-- .reply -->
  315. </article><!-- #comment-## -->
  316. <?php
  317. break;
  318. endswitch; // end comment_type check
  319. }
  320. endif;
  321.  
  322. if ( ! function_exists( 'twentytwelve_entry_meta' ) ) :
  323. /**
  324. * Prints HTML with meta information for current post: categories, tags, permalink, author, and date.
  325. *
  326. * Create your own twentytwelve_entry_meta() to override in a child theme.
  327. *
  328. * @since Twenty Twelve 1.0
  329. */
  330. function twentytwelve_entry_meta() {
  331. // Translators: used between list items, there is a space after the comma.
  332. $categories_list = get_the_category_list( __( ', ', 'twentytwelve' ) );
  333.  
  334. // Translators: used between list items, there is a space after the comma.
  335. $tag_list = get_the_tag_list( '', __( ', ', 'twentytwelve' ) );
  336.  
  337. $date = sprintf( '<a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a>',
  338. esc_url( get_permalink() ),
  339. esc_attr( get_the_time() ),
  340. esc_attr( get_the_date( 'c' ) ),
  341. esc_html( get_the_date() )
  342. );
  343.  
  344. $author = sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>',
  345. esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
  346. esc_attr( sprintf( __( 'View all posts by %s', 'twentytwelve' ), get_the_author() ) ),
  347. get_the_author()
  348. );
  349.  
  350. // Translators: 1 is category, 2 is tag, 3 is the date and 4 is the author's name.
  351. if ( $tag_list ) {
  352. $utility_text = __( 'This entry was posted in %1$s and tagged %2$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
  353. } elseif ( $categories_list ) {
  354. $utility_text = __( 'This entry was posted in %1$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
  355. } else {
  356. $utility_text = __( 'This entry was posted on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
  357. }
  358.  
  359. printf(
  360. $utility_text,
  361. $categories_list,
  362. $tag_list,
  363. $date,
  364. $author
  365. );
  366. }
  367. endif;
  368.  
  369. /**
  370. * Extends the default WordPress body class to denote:
  371. * 1. Using a full-width layout, when no active widgets in the sidebar
  372. * or full-width template.
  373. * 2. Front Page template: thumbnail in use and number of sidebars for
  374. * widget areas.
  375. * 3. White or empty background color to change the layout and spacing.
  376. * 4. Custom fonts enabled.
  377. * 5. Single or multiple authors.
  378. *
  379. * @since Twenty Twelve 1.0
  380. *
  381. * @param array Existing class values.
  382. * @return array Filtered class values.
  383. */
  384. function twentytwelve_body_class( $classes ) {
  385. $background_color = get_background_color();
  386.  
  387. if ( ! is_active_sidebar( 'sidebar-1' ) || is_page_template( 'page-templates/full-width.php' ) )
  388. $classes[] = 'full-width';
  389.  
  390. if ( is_page_template( 'page-templates/front-page.php' ) ) {
  391. $classes[] = 'template-front-page';
  392. if ( has_post_thumbnail() )
  393. $classes[] = 'has-post-thumbnail';
  394. if ( is_active_sidebar( 'sidebar-2' ) && is_active_sidebar( 'sidebar-3' ) )
  395. $classes[] = 'two-sidebars';
  396. }
  397.  
  398. if ( empty( $background_color ) )
  399. $classes[] = 'custom-background-empty';
  400. elseif ( in_array( $background_color, array( 'fff', 'ffffff' ) ) )
  401. $classes[] = 'custom-background-white';
  402.  
  403. // Enable custom font class only if the font CSS is queued to load.
  404. if ( wp_style_is( 'twentytwelve-fonts', 'queue' ) )
  405. $classes[] = 'custom-font-enabled';
  406.  
  407. if ( ! is_multi_author() )
  408. $classes[] = 'single-author';
  409.  
  410. return $classes;
  411. }
  412. add_filter( 'body_class', 'twentytwelve_body_class' );
  413.  
  414. /**
  415. * Adjusts content_width value for full-width and single image attachment
  416. * templates, and when there are no active widgets in the sidebar.
  417. *
  418. * @since Twenty Twelve 1.0
  419. */
  420. function twentytwelve_content_width() {
  421. if ( is_page_template( 'page-templates/full-width.php' ) || is_attachment() || ! is_active_sidebar( 'sidebar-1' ) ) {
  422. global $content_width;
  423. $content_width = 960;
  424. }
  425. }
  426. add_action( 'template_redirect', 'twentytwelve_content_width' );
  427.  
  428. /**
  429. * Add postMessage support for site title and description for the Theme Customizer.
  430. *
  431. * @since Twenty Twelve 1.0
  432. *
  433. * @param WP_Customize_Manager $wp_customize Theme Customizer object.
  434. * @return void
  435. */
  436. function twentytwelve_customize_register( $wp_customize ) {
  437. $wp_customize->get_setting( 'blogname' )->transport = 'postMessage';
  438. $wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage';
  439. }
  440. add_action( 'customize_register', 'twentytwelve_customize_register' );
  441.  
  442. /**
  443. * Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
  444. *
  445. * @since Twenty Twelve 1.0
  446. */
  447. function twentytwelve_customize_preview_js() {
  448. wp_enqueue_script( 'twentytwelve-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20120827', true );
  449. }
  450. add_action( 'customize_preview_init', 'twentytwelve_customize_preview_js' );
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