* add_action( 'after_setup_theme', 'my_child_theme_setup' );
* function my_child_theme_setup() {
* // We are providing our own filter for excerpt_length (or using the unfiltered value)
* remove_filter( 'excerpt_length', 'twentyten_excerpt_length' );
* ...
* }
*
*
* For more information on hooks, actions, and filters, see http://codex.wordpress.org/Plugin_API.
*
* @package WordPress
* @subpackage Twenty_Ten
* @since Twenty Ten 1.0
*/
/**
* Set the content width based on the theme's design and stylesheet.
*
* Used to set the width of images and content. Should be equal to the width the theme
* is designed for, generally via the style.css stylesheet.
*/
if ( ! isset( $content_width ) )
$content_width = 640;
/** Tell WordPress to run twentyten_setup() when the 'after_setup_theme' hook is run. */
add_action( 'after_setup_theme', 'twentyten_setup' );
if ( ! function_exists( 'twentyten_setup' ) ):
/**
* Sets up theme defaults and registers support for various WordPress features.
*
* Note that this function is hooked into the after_setup_theme hook, which runs
* before the init hook. The init hook is too late for some features, such as indicating
* support post thumbnails.
*
* To override twentyten_setup() in a child theme, add your own twentyten_setup to your child theme's
* functions.php file.
*
* @uses add_theme_support() To add support for post thumbnails and automatic feed links.
* @uses register_nav_menus() To add support for navigation menus.
* @uses add_custom_background() To add support for a custom background.
* @uses add_editor_style() To style the visual editor.
* @uses load_theme_textdomain() For translation/localization support.
* @uses add_custom_image_header() To add support for a custom header.
* @uses register_default_headers() To register the default custom header images provided with the theme.
* @uses set_post_thumbnail_size() To set a custom post thumbnail size.
*
* @since Twenty Ten 1.0
*/
function twentyten_setup() {
// This theme styles the visual editor with editor-style.css to match the theme style.
add_editor_style();
// This theme uses post thumbnails
add_theme_support( 'post-thumbnails' );
// Add default posts and comments RSS feed links to head
add_theme_support( 'automatic-feed-links' );
// Make theme available for translation
// Translations can be filed in the /languages/ directory
load_theme_textdomain( 'twentyten', TEMPLATEPATH . '/languages' );
$locale = get_locale();
$locale_file = TEMPLATEPATH . "/languages/$locale.php";
if ( is_readable( $locale_file ) )
require_once( $locale_file );
// This theme uses wp_nav_menu() in one location.
register_nav_menus( array(
'primary' => __( 'Primary Navigation', 'twentyten' ),
) );
// This theme allows users to set a custom background
add_custom_background();
// Your changeable header business starts here
define( 'HEADER_TEXTCOLOR', '' );
// No CSS, just IMG call. The %s is a placeholder for the theme template directory URI.
define( 'HEADER_IMAGE', '%s/images/headers/path.jpg' );
// The height and width of your custom header. You can hook into the theme's own filters to change these values.
// Add a filter to twentyten_header_image_width and twentyten_header_image_height to change these values.
define( 'HEADER_IMAGE_WIDTH', apply_filters( 'twentyten_header_image_width', 940 ) );
define( 'HEADER_IMAGE_HEIGHT', apply_filters( 'twentyten_header_image_height', 198 ) );
// We'll be using post thumbnails for custom header images on posts and pages.
// We want them to be 940 pixels wide by 198 pixels tall.
// Larger images will be auto-cropped to fit, smaller ones will be ignored. See header.php.
set_post_thumbnail_size( HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT, true );
// Don't support text inside the header image.
define( 'NO_HEADER_TEXT', true );
// Add a way for the custom header to be styled in the admin panel that controls
// custom headers. See twentyten_admin_header_style(), below.
add_custom_image_header( '', 'twentyten_admin_header_style' );
// ... and thus ends the changeable header business.
// Default custom headers packaged with the theme. %s is a placeholder for the theme template directory URI.
register_default_headers( array(
'berries' => array(
'url' => '%s/images/headers/berries.jpg',
'thumbnail_url' => '%s/images/headers/berries-thumbnail.jpg',
/* translators: header image description */
'description' => __( 'Berries', 'twentyten' )
),
'cherryblossom' => array(
'url' => '%s/images/headers/cherryblossoms.jpg',
'thumbnail_url' => '%s/images/headers/cherryblossoms-thumbnail.jpg',
/* translators: header image description */
'description' => __( 'Cherry Blossoms', 'twentyten' )
),
'concave' => array(
'url' => '%s/images/headers/concave.jpg',
'thumbnail_url' => '%s/images/headers/concave-thumbnail.jpg',
/* translators: header image description */
'description' => __( 'Concave', 'twentyten' )
),
'fern' => array(
'url' => '%s/images/headers/fern.jpg',
'thumbnail_url' => '%s/images/headers/fern-thumbnail.jpg',
/* translators: header image description */
'description' => __( 'Fern', 'twentyten' )
),
'forestfloor' => array(
'url' => '%s/images/headers/forestfloor.jpg',
'thumbnail_url' => '%s/images/headers/forestfloor-thumbnail.jpg',
/* translators: header image description */
'description' => __( 'Forest Floor', 'twentyten' )
),
'inkwell' => array(
'url' => '%s/images/headers/inkwell.jpg',
'thumbnail_url' => '%s/images/headers/inkwell-thumbnail.jpg',
/* translators: header image description */
'description' => __( 'Inkwell', 'twentyten' )
),
'path' => array(
'url' => '%s/images/headers/path.jpg',
'thumbnail_url' => '%s/images/headers/path-thumbnail.jpg',
/* translators: header image description */
'description' => __( 'Path', 'twentyten' )
),
'sunset' => array(
'url' => '%s/images/headers/sunset.jpg',
'thumbnail_url' => '%s/images/headers/sunset-thumbnail.jpg',
/* translators: header image description */
'description' => __( 'Sunset', 'twentyten' )
)
) );
}
endif;
if ( ! function_exists( 'twentyten_admin_header_style' ) ) :
/**
* Styles the header image displayed on the Appearance > Header admin panel.
*
* Referenced via add_custom_image_header() in twentyten_setup().
*
* @since Twenty Ten 1.0
*/
function twentyten_admin_header_style() {
?>
tag, by filtering the output of wp_title().
*
* If we have a site description and we're viewing the home page or a blog posts
* page (when using a static front page), then we will add the site description.
*
* If we're viewing a search result, then we're going to recreate the title entirely.
* We're going to add page numbers to all titles as well, to the middle of a search
* result title and the end of all other titles.
*
* The site title also gets added to all titles.
*
* @since Twenty Ten 1.0
*
* @param string $title Title generated by wp_title()
* @param string $separator The separator passed to wp_title(). Twenty Ten uses a
* vertical bar, "|", as a separator in header.php.
* @return string The new title, ready for the tag.
*/
function twentyten_filter_wp_title( $title, $separator ) {
// Don't affect wp_title() calls in feeds.
if ( is_feed() )
return $title;
// The $paged global variable contains the page number of a listing of posts.
// The $page global variable contains the page number of a single post that is paged.
// We'll display whichever one applies, if we're not looking at the first page.
global $paged, $page;
if ( is_search() ) {
// If we're a search, let's start over:
$title = sprintf( __( 'Search results for %s', 'twentyten' ), '"' . get_search_query() . '"' );
// Add a page number if we're on page 2 or more:
if ( $paged >= 2 )
$title .= " $separator " . sprintf( __( 'Page %s', 'twentyten' ), $paged );
// Add the site name to the end:
$title .= " $separator " . get_bloginfo( 'name', 'display' );
// We're done. Let's send the new title back to wp_title():
return $title;
}
// Otherwise, let's start by adding the site name to the end:
$title .= get_bloginfo( 'name', 'display' );
// If we have a site description and we're on the home/front page, add the description:
$site_description = get_bloginfo( 'description', 'display' );
if ( $site_description && ( is_home() || is_front_page() ) )
$title .= " $separator " . $site_description;
// Add a page number if necessary:
if ( $paged >= 2 || $page >= 2 )
$title .= " $separator " . sprintf( __( 'Page %s', 'twentyten' ), max( $paged, $page ) );
// Return the new title to wp_title():
return $title;
}
add_filter( 'wp_title', 'twentyten_filter_wp_title', 10, 2 );
/**
* Get our wp_nav_menu() fallback, wp_page_menu(), to show a home link.
*
* To override this in a child theme, remove the filter and optionally add
* your own function tied to the wp_page_menu_args filter hook.
*
* @since Twenty Ten 1.0
*/
function twentyten_page_menu_args( $args ) {
$args['show_home'] = true;
return $args;
}
add_filter( 'wp_page_menu_args', 'twentyten_page_menu_args' );
/**
* Sets the post excerpt length to 40 characters.
*
* To override this length in a child theme, remove the filter and add your own
* function tied to the excerpt_length filter hook.
*
* @since Twenty Ten 1.0
* @return int
*/
function twentyten_excerpt_length( $length ) {
return 40;
}
add_filter( 'excerpt_length', 'twentyten_excerpt_length' );
/**
* Returns a "Continue Reading" link for excerpts
*
* @since Twenty Ten 1.0
* @return string "Continue Reading" link
*/
function twentyten_continue_reading_link() {
return ' <a href="'. get_permalink() . '">' . __( 'Continue reading <span class="meta-nav">→</span>', 'twentyten' ) . '</a>';
}
/**
* Replaces "[...]" (appended to automatically generated excerpts) with an ellipsis and twentyten_continue_reading_link().
*
* To override this in a child theme, remove the filter and add your own
* function tied to the excerpt_more filter hook.
*
* @since Twenty Ten 1.0
* @return string An ellipsis
*/
function twentyten_auto_excerpt_more( $more ) {
return ' …' . twentyten_continue_reading_link();
}
add_filter( 'excerpt_more', 'twentyten_auto_excerpt_more' );
/**
* Adds a pretty "Continue Reading" link to custom post excerpts.
*
* To override this link in a child theme, remove the filter and add your own
* function tied to the get_the_excerpt filter hook.
*
* @since Twenty Ten 1.0
* @return string Excerpt with a pretty "Continue Reading" link
*/
function twentyten_custom_excerpt_more( $output ) {
if ( has_excerpt() && ! is_attachment() ) {
$output .= twentyten_continue_reading_link();
}
return $output;
}
add_filter( 'get_the_excerpt', 'twentyten_custom_excerpt_more' );
/**
* Remove inline styles printed when the gallery shortcode is used.
*
* Galleries are styled by the theme in Twenty Ten's style.css.
*
* @since Twenty Ten 1.0
* @return string The gallery style filter, with the styles themselves removed.
*/
function twentyten_remove_gallery_css( $css ) {
return preg_replace( "#<style type='text/css'>(.*?)</style>#s", '', $css );
}
add_filter( 'gallery_style', 'twentyten_remove_gallery_css' );
if ( ! function_exists( 'twentyten_comment' ) ) :
/**
* Template for comments and pingbacks.
*
* To override this walker in a child theme without modifying the comments template
* simply create your own twentyten_comment(), and that function will be used instead.
*
* Used as a callback by wp_list_comments() for displaying the comments.
*
* @since Twenty Ten 1.0
*/
function twentyten_comment( $comment, $args, $depth ) {
$GLOBALS['comment'] = $comment;
switch ( $comment->comment_type ) :
case '' :
?>
<li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
<div id="comment-<?php comment_ID(); ?>">
<div class="comment-author vcard">
<?php echo get_avatar( $comment, 40 ); ?>
<?php printf( __( '%s <span class="says">says:</span>', 'twentyten' ), sprintf( '<cite class="fn">%s</cite>', get_comment_author_link() ) ); ?>
</div><!-- .comment-author .vcard -->
<?php if ( $comment->comment_approved == '0' ) : ?>
<em><?php _e( 'Your comment is awaiting moderation.', 'twentyten' ); ?></em>
<br />
<?php endif; ?>
<div class="comment-meta commentmetadata"><a href="<?php echo esc_url( get_comment_link( $comment->comment_ID ) ); ?>">
<?php
/* translators: 1: date, 2: time */
printf( __( '%1$s at %2$s', 'twentyten' ), get_comment_date(), get_comment_time() ); ?></a><?php edit_comment_link( __( '(Edit)', 'twentyten' ), ' ' );
?>
</div><!-- .comment-meta .commentmetadata -->
<div class="comment-body"><?php comment_text(); ?></div>
<div class="reply">
<?php comment_reply_link( array_merge( $args, array( 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
</div><!-- .reply -->
</div><!-- #comment-## -->
<?php
break;
case 'pingback' :
case 'trackback' :
?>
<li class="post pingback">
<p><?php _e( 'Pingback:', 'twentyten' ); ?> <?php comment_author_link(); ?><?php edit_comment_link( __('(Edit)', 'twentyten'), ' ' ); ?></p>
<?php
break;
endswitch;
}
endif;
/**
* Register widgetized areas, including two sidebars and four widget-ready columns in the footer.
*
* To override twentyten_widgets_init() in a child theme, remove the action hook and add your own
* function tied to the init hook.
*
* @since Twenty Ten 1.0
* @uses register_sidebar
*/
function twentyten_widgets_init() {
// Area 1, located at the top of the sidebar.
register_sidebar( array(
'name' => __( 'Primary Widget Area', 'twentyten' ),
'id' => 'primary-widget-area',
'description' => __( 'The primary widget area', 'twentyten' ),
'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
'after_widget' => '</li>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
// Area 2, located below the Primary Widget Area in the sidebar. Empty by default.
register_sidebar( array(
'name' => __( 'Secondary Widget Area', 'twentyten' ),
'id' => 'secondary-widget-area',
'description' => __( 'The secondary widget area', 'twentyten' ),
'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
'after_widget' => '</li>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
// Area 3, located in the footer. Empty by default.
register_sidebar( array(
'name' => __( 'First Footer Widget Area', 'twentyten' ),
'id' => 'first-footer-widget-area',
'description' => __( 'The first footer widget area', 'twentyten' ),
'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
'after_widget' => '</li>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
// Area 4, located in the footer. Empty by default.
register_sidebar( array(
'name' => __( 'Second Footer Widget Area', 'twentyten' ),
'id' => 'second-footer-widget-area',
'description' => __( 'The second footer widget area', 'twentyten' ),
'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
'after_widget' => '</li>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
// Area 5, located in the footer. Empty by default.
register_sidebar( array(
'name' => __( 'Third Footer Widget Area', 'twentyten' ),
'id' => 'third-footer-widget-area',
'description' => __( 'The third footer widget area', 'twentyten' ),
'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
'after_widget' => '</li>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
// Area 6, located in the footer. Empty by default.
register_sidebar( array(
'name' => __( 'Fourth Footer Widget Area', 'twentyten' ),
'id' => 'fourth-footer-widget-area',
'description' => __( 'The fourth footer widget area', 'twentyten' ),
'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
'after_widget' => '</li>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
}
/** Register sidebars by running twentyten_widgets_init() on the widgets_init hook. */
add_action( 'widgets_init', 'twentyten_widgets_init' );
/**
* Removes the default styles that are packaged with the Recent Comments widget.
*
* To override this in a child theme, remove the filter and optionally add your own
* function tied to the widgets_init action hook.
*
* @since Twenty Ten 1.0
*/
function twentyten_remove_recent_comments_style() {
global $wp_widget_factory;
remove_action( 'wp_head', array( $wp_widget_factory->widgets['WP_Widget_Recent_Comments'], 'recent_comments_style' ) );
}
add_action( 'widgets_init', 'twentyten_remove_recent_comments_style' );
if ( ! function_exists( 'twentyten_posted_on' ) ) :
/**
* Prints HTML with meta information for the current post—date/time and author.
*
* @since Twenty Ten 1.0
*/
function twentyten_posted_on() {
printf( __( '<span class="%1$s">Posted on</span> %2$s <span class="meta-sep">by</span> %3$s', 'twentyten' ),
'meta-prep meta-prep-author',
sprintf( '<a href="%1$s" title="%2$s" rel="bookmark"><span class="entry-date">%3$s</span></a>',
get_permalink(),
esc_attr( get_the_time() ),
get_the_date()
),
sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s">%3$s</a></span>',
get_author_posts_url( get_the_author_meta( 'ID' ) ),
sprintf( esc_attr__( 'View all posts by %s', 'twentyten' ), get_the_author() ),
get_the_author()
)
);
}
endif;
if ( ! function_exists( 'twentyten_posted_in' ) ) :
/**
* Prints HTML with meta information for the current post (category, tags and permalink).
*
* @since Twenty Ten 1.0
*/
function twentyten_posted_in() {
// Retrieves tag list of current post, separated by commas.
$tag_list = get_the_tag_list( '', ', ' );
if ( $tag_list ) {
$posted_in = __( 'This entry was posted in %1$s and tagged %2$s. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyten' );
} elseif ( is_object_in_taxonomy( get_post_type(), 'category' ) ) {
$posted_in = __( 'This entry was posted in %1$s. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyten' );
} else {
$posted_in = __( 'Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyten' );
}
// Prints the string, replacing the placeholders.
printf(
$posted_in,
get_the_category_list( ', ' ),
$tag_list,
get_permalink(),
the_title_attribute( 'echo=0' )
);
}
endif;