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1 <?php 2 /** 3 * Twenty Twelve functions and definitions 4 * 5 * Sets up the theme and provides some helper functions. Some helper functions 6 * are used in the theme as custom template tags. Others are attached to action and 7 * filter hooks in WordPress to change core functionality. 8 * 9 * The first function, twentytwelve_setup(), sets up the theme by registering support 10 * for various features in WordPress, such as a custom background and a navigation menu. 11 * 12 * When using a child theme (see http://codex.wordpress.org/Theme_Development and 13 * http://codex.wordpress.org/Child_Themes), you can override certain functions 14 * (those wrapped in a function_exists() call) by defining them first in your child theme's 15 * functions.php file. The child theme's functions.php file is included before the parent 16 * theme's file, so the child theme functions would be used. 17 * 18 * Functions that are not pluggable (not wrapped in function_exists()) are instead attached 19 * to a filter or action hook. 20 * 21 * For more information on hooks, actions, and filters, see http://codex.wordpress.org/Plugin_API. 22 * 23 * @package WordPress 24 * @subpackage Twenty_Twelve 25 * @since Twenty Twelve 1.0 26 */ 27 28 /** 29 * Set the content width based on the theme's design and stylesheet. 30 */ 31 if ( ! isset( $content_width ) ) 32 $content_width = 584; 33 34 /** 35 * Tell WordPress to run twentytwelve_setup() when the 'after_setup_theme' hook is run. 36 */ 37 add_action( 'after_setup_theme', 'twentytwelve_setup' ); 38 39 if ( ! function_exists( 'twentytwelve_setup' ) ) : 40 /** 41 * Sets up theme defaults and registers support for various WordPress features. 42 * 43 * @uses load_theme_textdomain() For translation/localization support. 44 * @uses add_theme_support() To add support for automatic feed links. 45 * @uses register_nav_menu() To add support for navigation menus. 46 * @uses add_custom_background() To add support for a custom background. 47 * 48 * @since Twenty Twelve 1.0 49 */ 50 function twentytwelve_setup() { 51 /** 52 * Make Twenty Twelve available for translation. 53 * Translations can be added to the /languages/ directory. 54 * If you're building a theme based on Twenty Twelve, use a find and replace 55 * to change 'twentytwelve' to the name of your theme in all the template files. 56 */ 57 load_theme_textdomain( 'twentytwelve', get_template_directory() . '/languages' ); 58 59 // Add default posts and comments RSS feed links to <head>. 60 add_theme_support( 'automatic-feed-links' ); 61 62 // Add support for a variety of post formats 63 add_theme_support( 'post-formats', array( 'aside', 'image', 'link', 'quote' ) ); 64 65 // This theme uses wp_nav_menu() in one location. 66 register_nav_menu( 'primary', __( 'Primary Menu', 'twentytwelve' ) ); 67 68 // Add support for custom background. 69 add_custom_background(); 70 71 // Add support for a custom header image. 72 $header_args = array( 73 'random-default' => true, 74 'flex-height' => true, 75 'suggested-height' => apply_filters( 'twentytwelve_header_image_height', 250 ), 76 'flex-width' => true, 77 'max-width' => apply_filters( 'twentytwelve_header_image_max_width', 2000 ), 78 'suggested-width' => apply_filters( 'twentytwelve_header_image_width', 960 ), 79 ); 80 add_theme_support( 'custom-header', $header_args ); 81 add_custom_image_header( 'twentytwelve_header_style', 'twentytwelve_admin_header_style', 'twentytwelve_admin_header_image' ); 82 83 // The default header text color 84 define( 'HEADER_TEXTCOLOR', '444' ); 85 } 86 endif; 87 88 if ( ! function_exists( 'twentytwelve_header_style' ) ) : 89 /** 90 * Styles the header image and text displayed on the blog 91 * 92 * get_header_textcolor() options: HEADER_TEXTCOLOR is default, hide text (returns 'blank'), or any hex value 93 * 94 * @since Twenty Twelve 1.0 95 */ 96 function twentytwelve_header_style() { 97 // If no custom options for text are set, let's bail 98 if ( HEADER_TEXTCOLOR == get_header_textcolor() ) 99 return; 100 // If we get this far, we have custom styles. 101 ?> 102 <style type="text/css"> 103 <?php 104 // Has the text been hidden? 105 if ( 'blank' == get_header_textcolor() ) : 106 ?> 107 .site-title, 108 .site-description { 109 position: absolute !important; 110 clip: rect(1px 1px 1px 1px); /* IE6, IE7 */ 111 clip: rect(1px, 1px, 1px, 1px); 112 } 113 <?php 114 // If the user has set a custom color for the text, use that. 115 else : 116 ?> 117 .site-title a, 118 .site-description { 119 color: #<?php echo get_header_textcolor(); ?> !important; 120 } 121 <?php endif; ?> 122 </style> 123 <?php 124 } 125 endif; 126 127 if ( ! function_exists( 'twentytwelve_admin_header_style' ) ) : 128 /** 129 * Styles the header image displayed on the Appearance > Header admin panel. 130 * 131 * Referenced via add_custom_image_header() in twentytwelve_setup(). 132 * 133 * @since Twenty Twelve 1.0 134 */ 135 function twentytwelve_admin_header_style() { 136 ?> 137 <style type="text/css"> 138 .appearance_page_custom-header #headimg { 139 border: none; 140 } 141 #headimg h1, 142 #headimg h2 { 143 line-height: 1.6; 144 margin: 0; 145 padding: 0; 146 } 147 #headimg h1 { 148 font-size: 30px; 149 } 150 #headimg h1 a { 151 text-decoration: none; 152 } 153 #headimg h2 { 154 font: normal 13px/1.8 "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif; 155 margin-bottom: 24px; 156 } 157 #headimg img { 158 } 159 </style> 160 <?php 161 } 162 endif; 163 164 if ( ! function_exists( 'twentytwelve_admin_header_image' ) ) : 165 /** 166 * Custom header image markup displayed on the Appearance > Header admin panel. 167 * 168 * Referenced via add_custom_image_header() in twentytwelve_setup(). 169 * 170 * @since Twenty Twelve 1.0 171 */ 172 function twentytwelve_admin_header_image() { ?> 173 <div id="headimg"> 174 <?php 175 if ( 'blank' == get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) || '' == get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) ) 176 $style = ' style="display:none;"'; 177 else 178 $style = ' style="color:#' . get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) . ';"'; 179 ?> 180 <h1><a id="name"<?php echo $style; ?> onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a></h1> 181 <h2 id="desc"<?php echo $style; ?>><?php bloginfo( 'description' ); ?></h2> 182 <?php $header_image = get_header_image(); 183 if ( ! empty( $header_image ) ) : ?> 184 <img src="<?php echo esc_url( $header_image ); ?>" alt="" /> 185 <?php endif; ?> 186 </div> 187 <?php } 188 endif; 189 190 /** 191 * Enqueue script for handling navigation. 192 * 193 * @since Twenty Twelve 1.0 194 */ 195 function twentytwelve_scripts() { 196 wp_enqueue_script( 'jquery' ); 197 wp_enqueue_script( 'navigation', get_template_directory_uri() . '/js/navigation.js', 'jquery', '20120227', true ); 198 } 199 add_action( 'wp_enqueue_scripts', 'twentytwelve_scripts' ); 200 201 /** 202 * Get our wp_nav_menu() fallback, wp_page_menu(), to show a home link. 203 * 204 * @since Twenty Twelve 1.0 205 */ 206 function twentytwelve_page_menu_args( $args ) { 207 $args['show_home'] = true; 208 return $args; 209 } 210 add_filter( 'wp_page_menu_args', 'twentytwelve_page_menu_args' ); 211 212 /** 213 * Register our single widget area. 214 * 215 * @since Twenty Twelve 1.0 216 */ 217 function twentytwelve_widgets_init() { 218 register_sidebar( array( 219 'name' => __( 'Main Sidebar', 'twentytwelve' ), 220 'id' => 'sidebar-1', 221 'before_widget' => '<aside id="%1$s" class="widget %2$s">', 222 'after_widget' => "</aside>", 223 'before_title' => '<h3 class="widget-title">', 224 'after_title' => '</h3>', 225 ) ); 226 } 227 add_action( 'widgets_init', 'twentytwelve_widgets_init' ); 228 229 if ( ! function_exists( 'twentytwelve_content_nav' ) ) : 230 /** 231 * Display navigation to next/previous pages when applicable 232 * 233 * @since Twenty Twelve 1.0 234 */ 235 function twentytwelve_content_nav( $nav_id ) { 236 global $wp_query; 237 238 if ( $wp_query->max_num_pages > 1 ) : ?> 239 <nav id="<?php echo $nav_id; ?>" role="navigation"> 240 <h3 class="assistive-text"><?php _e( 'Post navigation', 'twentytwelve' ); ?></h3> 241 <div class="nav-previous alignleft"><?php next_posts_link( __( '<span class="meta-nav">←</span> Older posts', 'twentytwelve' ) ); ?></div> 242 <div class="nav-next alignright"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">→</span>', 'twentytwelve' ) ); ?></div> 243 </nav><!-- #nav-above --> 244 <?php endif; 245 } 246 endif; 247 248 if ( ! function_exists( 'twentytwelve_comment' ) ) : 249 /** 250 * Template for comments and pingbacks. 251 * 252 * To override this walker in a child theme without modifying the comments template 253 * simply create your own twentytwelve_comment(), and that function will be used instead. 254 * 255 * Used as a callback by wp_list_comments() for displaying the comments. 256 * 257 * @since Twenty Twelve 1.0 258 */ 259 function twentytwelve_comment( $comment, $args, $depth ) { 260 $GLOBALS['comment'] = $comment; 261 switch ( $comment->comment_type ) : 262 case 'pingback' : 263 case 'trackback' : 264 // Display trackbacks differently than normal comments. 265 ?> 266 <li <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>"> 267 <p><?php _e( 'Pingback:', 'twentytwelve' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( '(Edit)', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?></p> 268 <?php 269 break; 270 default : 271 // Proceed with normal comments. 272 ?> 273 <li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>"> 274 <article id="comment-<?php comment_ID(); ?>" class="comment"> 275 <header class="comment-meta comment-author vcard"> 276 <?php 277 echo get_avatar( $comment, 44 ); 278 279 printf( '<cite class="fn">%s</cite>', get_comment_author_link() ); 280 printf( '<a href="%1$s"><time pubdate datetime="%2$s">%3$s</time></a>', 281 esc_url( get_comment_link( $comment->comment_ID ) ), 282 get_comment_time( 'c' ), 283 /* translators: 1: date, 2: time */ 284 sprintf( __( '%1$s at %2$s', 'twentytwelve' ), get_comment_date(), get_comment_time() ) 285 ); 286 ?> 287 <?php edit_comment_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?> 288 </header> 289 290 <?php if ( '0' == $comment->comment_approved ) : ?> 291 <p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'twentytwelve' ); ?></p> 292 <?php endif; ?> 293 294 <section class="comment post-content"> 295 <?php comment_text(); ?> 296 </section> 297 298 <div class="reply"> 299 <?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply <span>↓</span>', 'twentytwelve' ), 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?> 300 </div><!-- .reply --> 301 </article><!-- #comment-## --> 302 <?php 303 break; 304 endswitch; // end comment_type check 305 } 306 endif; 307 308 if ( ! function_exists( 'twentytwelve_posted_on' ) ) : 309 /** 310 * Prints HTML with meta information for the current post-date/time and author. 311 * 312 * Create your own twentytwelve_posted_on() to override in a child theme. 313 * 314 * @since Twenty Twelve 1.0 315 */ 316 function twentytwelve_posted_on() { 317 printf( __( '<span class="sep">Posted on </span><a href="%1$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' ), 318 esc_url( get_permalink() ), 319 esc_attr( get_the_time() ), 320 esc_attr( get_the_date( 'c' ) ), 321 esc_html( get_the_date() ), 322 esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ), 323 esc_attr( sprintf( __( 'View all posts by %s', 'twentytwelve' ), get_the_author() ) ), 324 get_the_author() 325 ); 326 } 327 endif; 328 329 /** 330 * Extends the default WordPress body class to denote a full-width layout. 331 * 332 * Used in two cases: no active widgets in sidebar, and full-width page template. 333 * 334 * @since Twenty Twelve 1.0 335 */ 336 function twentytwelve_body_class( $classes ) { 337 if ( ! is_active_sidebar( 'sidebar-1' ) || is_page_template( 'full-width' ) ) 338 $classes[] = 'full-width'; 339 340 return $classes; 341 } 342 add_filter( 'body_class', 'twentytwelve_body_class' );
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