width, get_custom_header()->height, true );
/**
* Add Duster's custom image sizes
*/
add_image_size( 'large-feature', get_custom_header()->width, 500, true ); // Used for large feature images
add_image_size( 'small-feature', 500, 500 ); // Used for featured posts if a large-feature doesn't exist
/**
* This theme uses wp_nav_menu() in one location.
*/
register_nav_menus( array(
'primary' => __( 'Primary Menu', 'duster' ),
) );
/**
* Enable support for Post Formats
*/
add_theme_support( 'post-formats', array( 'aside', 'link', 'gallery', 'status', 'quote' ) );
}
endif; // duster_setup
add_action( 'after_setup_theme', 'duster_setup' );
/**
* Setup the WordPress core custom background feature.
*
* Use add_theme_support to register support for WordPress 3.4+
* as well as provide backward compatibility for previous versions.
* Use feature detection of wp_get_theme() which was introduced
* in WordPress 3.4.
*
* Hooks into the after_setup_theme action.
*/
function duster_register_custom_background() {
$args = array(
'default-color' => '',
'default-image' => '',
);
$args = apply_filters( 'duster_custom_background_args', $args );
if ( function_exists( 'wp_get_theme' ) ) {
add_theme_support( 'custom-background', $args );
} else {
define( 'BACKGROUND_COLOR', $args['default-color'] );
define( 'BACKGROUND_IMAGE', $args['default-image'] );
add_custom_background();
}
}
add_action( 'after_setup_theme', 'duster_register_custom_background' );
/**
* Enqueue scripts and styles
*/
function duster_scripts() {
wp_enqueue_style( 'duster', get_stylesheet_uri() );
if ( is_singular() && comments_open() && get_option( 'thread_comments' ) )
wp_enqueue_script( 'comment-reply' );
}
add_action( 'wp_enqueue_scripts', 'duster_scripts' );
/**
* 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.
*/
function duster_excerpt_length( $length ) {
return 40;
}
add_filter( 'excerpt_length', 'duster_excerpt_length' );
/**
* Returns a "Continue Reading" link for excerpts
*/
function duster_continue_reading_link() {
return ' ' . __( 'Continue reading →', 'duster' ) . '';
}
/**
* Replaces "[...]" (appended to automatically generated excerpts) with an ellipsis and duster_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.
*/
function duster_auto_excerpt_more( $more ) {
return ' …' . duster_continue_reading_link();
}
add_filter( 'excerpt_more', 'duster_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.
*/
function duster_custom_excerpt_more( $output ) {
if ( has_excerpt() && ! is_attachment() ) {
$output .= duster_continue_reading_link();
}
return $output;
}
add_filter( 'get_the_excerpt', 'duster_custom_excerpt_more' );
/**
* Add custom body classes
*/
function duster_body_class($classes) {
if ( is_singular() && ! is_home() && ! is_page_template( 'showcase.php' ) )
$classes[] = 'singular';
return $classes;
}
add_filter( 'body_class', 'duster_body_class' );
/**
* Get our wp_nav_menu() fallback, wp_page_menu(), to show a home link.
*/
function duster_page_menu_args( $args ) {
$args['show_home'] = true;
return $args;
}
add_filter( 'wp_page_menu_args', 'duster_page_menu_args' );
/**
* Register widgetized area and update sidebar with default widgets
*/
function duster_widgets_init() {
register_sidebar( array(
'name' => __( 'Main Sidebar', 'duster' ),
'id' => 'sidebar-1',
'before_widget' => '',
'before_title' => '
',
) );
register_sidebar( array(
'name' => __( 'Footer Area One', 'duster' ),
'id' => 'sidebar-3',
'description' => __( 'An optional widget area for your site footer', 'duster' ),
'before_widget' => '',
'before_title' => '
',
'after_title' => '
',
) );
register_sidebar( array(
'name' => __( 'Footer Area Two', 'duster' ),
'id' => 'sidebar-4',
'description' => __( 'An optional widget area for your site footer', 'duster' ),
'before_widget' => '',
'before_title' => '
',
'after_title' => '
',
) );
register_sidebar( array(
'name' => __( 'Footer Area Three', 'duster' ),
'id' => 'sidebar-5',
'description' => __( 'An optional widget area for your site footer', 'duster' ),
'before_widget' => '',
'before_title' => '
',
'after_title' => '
',
) );
}
add_action( 'init', 'duster_widgets_init' );
/**
* Display navigation to next/previous pages when applicable
*/
function duster_content_nav( $nav_id ) {
global $wp_query;
if ( $wp_query->max_num_pages > 1 ) : ?>
/i', get_the_content(), $matches);
$first_url = $matches [1][0];
if ( empty( $first_url ) )
return false;
return $first_url;
}
/**
* Count the number of footer sidebars to enable dynamic classes for the footer
*/
function duster_footer_sidebar_class() {
$count = 0;
if ( is_active_sidebar( 'sidebar-3' ) )
$count++;
if ( is_active_sidebar( 'sidebar-4' ) )
$count++;
if ( is_active_sidebar( 'sidebar-5' ) )
$count++;
switch ( $count ) {
case '1':
$class = 'one';
break;
case '2':
$class = 'two';
break;
case '3':
$class = 'three';
break;
default:
$class = '';
break;
}
if ( '' != $class )
echo 'class="' . $class . '"';
}
if ( ! function_exists( 'duster_comment' ) ) :
/**
* Template for comments and pingbacks.
*
* To override this walker in a child theme without modifying the comments template
* simply create your own duster_comment(), and that function will be used instead.
*
* Used as a callback by wp_list_comments() for displaying the comments.
*
* @since Duster 0.4
*/
function duster_comment( $comment, $args, $depth ) {
$GLOBALS['comment'] = $comment;
switch ( $comment->comment_type ) :
case 'pingback' :
case 'trackback' :
?>