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functions.php
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functions.php
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<?php
/**
* Expound functions and definitions
*
* @package Expound
*/
/**
* Set the content width based on the theme's design and stylesheet.
*/
if ( ! isset( $content_width ) )
$content_width = 700; /* pixels */
/*
* Load Jetpack compatibility file.
*/
require( get_template_directory() . '/inc/jetpack.php' );
if ( ! function_exists( 'expound_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.
*/
function expound_setup() {
/**
* Custom template tags for this theme.
*/
require( get_template_directory() . '/inc/template-tags.php' );
/**
* Custom functions that act independently of the theme templates
*/
require( get_template_directory() . '/inc/extras.php' );
/**
* Customizer additions
*/
require( get_template_directory() . '/inc/customizer.php' );
/**
* Make theme available for translation
* Translations can be filed in the /languages/ directory
* If you're building a theme based on Mag, use a find and replace
* to change 'expound' to the name of your theme in all the template files
*/
load_theme_textdomain( 'expound', get_template_directory() . '/languages' );
/**
* Add default posts and comments RSS feed links to head
*/
add_theme_support( 'automatic-feed-links' );
/**
* Editor styles for the win
*/
add_editor_style( 'css/editor-style.css' );
/**
* Enable support for Post Thumbnails on posts and pages
*
* @link http://codex.wordpress.org/Function_Reference/add_theme_support#Post_Thumbnails
*/
add_theme_support( 'post-thumbnails' );
set_post_thumbnail_size( 220, 126, true );
add_image_size( 'expound-featured', 460, 260, true );
add_image_size( 'expound-mini', 50, 50, true );
/**
* This theme uses wp_nav_menu() in one location.
*/
register_nav_menus( array(
'primary' => __( 'Primary Menu', 'expound' ),
'social' => __( 'Social Menu', 'expound' ),
) );
/**
* Enable support for Post Formats
*/
add_theme_support( 'post-formats', array( 'aside', 'image', 'video', 'quote', 'link' ) );
/**
* Enable support for Custom Background
*/
add_theme_support( 'custom-background', array(
'default-color' => '333333',
) );
}
endif; // expound_setup
add_action( 'after_setup_theme', 'expound_setup' );
/**
* BuddyPress styles if BP is installed
*/
if ( function_exists( 'buddypress' ) ) {
require( get_template_directory() . '/inc/buddypress.php' );
}
/**
* Register widgetized area and update sidebar with default widgets
*/
function expound_widgets_init() {
register_sidebar( array(
'name' => __( 'Sidebar', 'expound' ),
'id' => 'sidebar-1',
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h1 class="widget-title">',
'after_title' => '</h1>',
) );
}
add_action( 'widgets_init', 'expound_widgets_init' );
/**
* Enqueue scripts and styles
*/
function expound_scripts() {
// Don't forget to bump the version numbers in style.css and editor-style.css
wp_enqueue_style( 'expound-style', get_stylesheet_uri(), array(), 20140129 );
wp_enqueue_script( 'expound-navigation', get_template_directory_uri() . '/js/navigation.js', array(), '20120206', true );
wp_enqueue_script( 'expound-skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array(), '20130115', true );
if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
wp_enqueue_script( 'comment-reply' );
}
if ( is_singular() && wp_attachment_is_image() ) {
wp_enqueue_script( 'expound-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20120202' );
}
if ( has_nav_menu( 'social' ) ) {
wp_enqueue_style( 'expound-genericons', get_template_directory_uri() . '/css/genericons.css', array(), '20140127' );
}
}
add_action( 'wp_enqueue_scripts', 'expound_scripts' );
/**
* Implement the Custom Header feature.
*/
require get_template_directory() . '/inc/custom-header.php';
/**
* Additional helper post classes
*/
function expound_post_class( $classes ) {
if ( has_post_thumbnail() )
$classes[] = 'has-post-thumbnail';
return $classes;
}
add_filter('post_class', 'expound_post_class' );
/**
* Ignore and exclude featured posts on the home page.
*/
function expound_pre_get_posts( $query ) {
if ( ! $query->is_main_query() || is_admin() )
return;
if ( $query->is_home() ) { // condition should be (almost) the same as in index.php
$query->set( 'ignore_sticky_posts', true );
$exclude_ids = array();
$featured_posts = expound_get_featured_posts();
if ( $featured_posts->have_posts() )
foreach ( $featured_posts->posts as $post )
$exclude_ids[] = $post->ID;
$query->set( 'post__not_in', $exclude_ids );
}
}
add_action( 'pre_get_posts', 'expound_pre_get_posts' );
if ( ! function_exists( 'expound_get_featured_posts' ) ) :
/**
* Returns a new WP_Query with featured posts.
*/
function expound_get_featured_posts() {
global $wp_query;
// Default number of featured posts
$count = apply_filters( 'expound_featured_posts_count', 5 );
// Jetpack Featured Content support
$sticky = apply_filters( 'expound_get_featured_posts', array() );
if ( ! empty( $sticky ) ) {
$sticky = wp_list_pluck( $sticky, 'ID' );
// Let Jetpack override the sticky posts count because it has an option for that.
$count = count( $sticky );
}
if ( empty( $sticky ) )
$sticky = (array) get_option( 'sticky_posts', array() );
if ( empty( $sticky ) ) {
return new WP_Query( array(
'posts_per_page' => $count,
'ignore_sticky_posts' => true,
) );
}
$args = array(
'posts_per_page' => $count,
'post__in' => $sticky,
'ignore_sticky_posts' => true,
);
return new WP_Query( $args );
}
endif;
if ( ! function_exists( 'expound_get_related_posts' ) ) :
/**
* Returns a new WP_Query with related posts.
*/
function expound_get_related_posts() {
$post = get_post();
// Support for the Yet Another Related Posts Plugin
if ( function_exists( 'yarpp_get_related' ) ) {
$related = yarpp_get_related( array( 'limit' => 3 ), $post->ID );
return new WP_Query( array(
'post__in' => wp_list_pluck( $related, 'ID' ),
'posts_per_page' => 3,
'ignore_sticky_posts' => true,
'post__not_in' => array( $post->ID ),
) );
}
$args = array(
'posts_per_page' => 3,
'ignore_sticky_posts' => true,
'post__not_in' => array( $post->ID ),
);
// Get posts from the same category.
$categories = get_the_category();
if ( ! empty( $categories ) ) {
$category = array_shift( $categories );
$args['tax_query'] = array(
array(
'taxonomy' => 'category',
'field' => 'id',
'terms' => $category->term_id,
),
);
}
return new WP_Query( $args );
}
endif;
/**
* Footer credits.
*/
function expound_display_credits() {
$text = '<a href="http://wordpress.org/" rel="generator">' . sprintf( __( 'Proudly powered by %s', 'expound' ), 'WordPress' ) . '</a>';
$text .= '<span class="sep"> | </span>';
$text .= sprintf( __( 'Theme: %1$s by %2$s', 'expound' ), 'Expound', '<a href="http://kovshenin.com/" rel="designer">Konstantin Kovshenin</a>' );
echo apply_filters( 'expound_credits_text', $text );
}
add_action( 'expound_credits', 'expound_display_credits' );
/**
* Decrease caption width for non-full-width images. Pixelus perfectus!
*/
function expound_shortcode_atts_caption( $attr ) {
global $content_width;
if ( isset( $attr['width'] ) && $attr['width'] < $content_width )
$attr['width'] -= 4;
return $attr;
}
add_filter( 'shortcode_atts_caption', 'expound_shortcode_atts_caption' );