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functions.php
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<?php
/**
* Everal 1.0 functions and definitions
*
* Set up the theme and provides some helper functions, which are used in the
* theme as custom template tags. Others are attached to action and filter
* hooks in WordPress to change core functionality.
*
* When using a child theme you can override certain functions (those wrapped
* in a function_exists() call) by defining them first in your child theme's
* functions.php file. The child theme's functions.php file is included before
* the parent theme's file, so the child theme functions would be used.
*
* @link http://codex.wordpress.org/Theme_Development
* @link http://codex.wordpress.org/Child_Themes
*
* Functions that are not pluggable (not wrapped in function_exists()) are
* instead attached to a filter or action hook.
*
* For more information on hooks, actions, and filters,
* @link http://codex.wordpress.org/Plugin_API
*
* @package WordPress
* @subpackage Everal
* @since Everal 1.0
*/
/**
* Required: set 'ot_theme_mode' filter to true.
*/
add_filter( 'ot_theme_mode', '__return_true' );
/**
* Required: include OptionTree.
*/
require( trailingslashit( get_template_directory() ) . 'option-tree/ot-loader.php' );
require( get_template_directory() . '/theme-options.php' );
/**
* Set up the content width value based on the theme's design.
*
* @see everal_content_width()
*
* @since Everal 1.0
*/
if ( ! isset( $content_width ) ) {
$content_width = 680;
}
/**
* Everal 1.0 only works in WordPress 3.6 or later.
*/
if ( version_compare( $GLOBALS['wp_version'], '3.6', '<' ) ) {
require get_template_directory() . '/inc/back-compat.php';
}
if ( ! function_exists( 'everal_setup' ) ) :
/**
* Everal 1.0 setup.
*
* Set 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.
*
* @since Everal 1.0
*/
function everal_setup() {
require(get_template_directory() . '/inc/metaboxes/layouts.php');
require_once(get_template_directory() . '/inc/admin/welcome-screen/welcome-screen.php');
/*
* Make Everal 1.0 available for translation.
*
* Translations can be added to the /languages/ directory.
* If you're building a theme based on Everal 1.0, use a find and
* replace to change 'everal' to the name of your theme in all
* template files.
*/
load_theme_textdomain( 'everal', get_template_directory() . '/languages' );
// This theme styles the visual editor to resemble the theme style.
add_editor_style( array( 'css/editor-style.css' ) );
// Add RSS feed links to <head> for posts and comments.
add_theme_support( 'automatic-feed-links' );
// Enable support for Post Thumbnails, and declare two sizes.
add_theme_support( 'post-thumbnails' );
set_post_thumbnail_size( 672, 372, true );
add_image_size( 'everal-full-width', 1170, 600, true );
add_image_size( 'everal-huge-width', 1800, 600, true );
// This theme uses wp_nav_menu() in two locations.
register_nav_menus( array(
'primary' => __( 'Top primary menu', 'everal' ),
'footer' => __( 'Footer menu', 'everal' ),
) );
/*
* Switch default core markup for search form, comment form, and comments
* to output valid HTML5.
*/
add_theme_support( 'html5', array(
'search-form', 'comment-form', 'comment-list',
) );
/*
* Enable support for Post Formats.
* See http://codex.wordpress.org/Post_Formats
*/
add_theme_support( 'post-formats', array(
'aside', 'image', 'video', 'audio', 'quote', 'link', 'gallery',
) );
// This theme allows users to set a custom background.
add_theme_support( 'custom-background', apply_filters( 'everal_custom_background_args', array(
'default-color' => 'f5f5f5',
) ) );
// Add support for featured content.
add_theme_support( 'featured-content', array(
'featured_content_filter' => 'everal_get_featured_posts',
'max_posts' => 6,
) );
// This theme uses its own gallery styles.
add_filter( 'use_default_gallery_style', '__return_false' );
add_theme_support( 'title-tag' );
}
endif; // everal_setup
add_action( 'after_setup_theme', 'everal_setup' );
// Admin CSS
function everal_admin_css() {
wp_enqueue_style( 'vh-admin-css', get_template_directory_uri() . '/css/wp-admin.css' );
}
add_action('admin_head','everal_admin_css');
/**
* Adjust content_width value for image attachment template.
*
* @since Everal 1.0
*
* @return void
*/
function everal_content_width() {
if ( is_attachment() && wp_attachment_is_image() ) {
$GLOBALS['content_width'] = 810;
}
}
add_action( 'template_redirect', 'everal_content_width' );
/**
* Getter function for Featured Content Plugin.
*
* @since Everal 1.0
*
* @return array An array of WP_Post objects.
*/
function everal_get_featured_posts() {
/**
* Filter the featured posts to return in Everal 1.0.
*
* @since Everal 1.0
*
* @param array|bool $posts Array of featured posts, otherwise false.
*/
return apply_filters( 'everal_get_featured_posts', array() );
}
/**
* A helper conditional function that returns a boolean value.
*
* @since Everal 1.0
*
* @return bool Whether there are featured posts.
*/
function everal_has_featured_posts() {
return ! is_paged() && (bool) everal_get_featured_posts();
}
/**
* Register three Everal 1.0 widget areas.
*
* @since Everal 1.0
*
* @return void
*/
function everal_widgets_init() {
register_sidebar( array(
'name' => __( 'Primary Sidebar', 'everal' ),
'id' => 'sidebar-1',
'class' => 'col-sm-4 col-md-4 col-lg-4',
'description' => __( 'Main sidebar that appears on the left.', 'everal' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<div class="divider"><h3 class="widget-title">',
'after_title' => '</h3><div class="separator"></div></div>',
) );
register_sidebar( array(
'name' => __( 'Content Sidebar', 'everal' ),
'id' => 'sidebar-2',
'class' => 'col-sm-4 col-md-4 col-lg-4',
'description' => __( 'Additional sidebar that appears on the right.', 'everal' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<div class="divider"><h3 class="widget-title">',
'after_title' => '</h3><div class="separator"></div></div>',
) );
register_sidebar( array(
'name' => __( 'Footer Widget Area 1', 'everal' ),
'id' => 'sidebar-3',
'description' => __( 'Appears in the footer section of the site.', 'everal' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<div class="divider"><h3 class="widget-title">',
'after_title' => '</h3><div class="separator"></div></div>',
) );
register_sidebar( array(
'name' => __( 'Footer Widget Area 2', 'everal' ),
'id' => 'sidebar-4',
'description' => __( 'Appears in the footer section of the site.', 'everal' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<div class="divider"><h3 class="widget-title">',
'after_title' => '</h3><div class="separator"></div></div>',
) );
register_sidebar( array(
'name' => __( 'Footer Widget Area 3', 'everal' ),
'id' => 'sidebar-5',
'description' => __( 'Appears in the footer section of the site.', 'everal' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<div class="divider"><h3 class="widget-title">',
'after_title' => '</h3><div class="separator"></div></div>',
) );
}
add_action( 'widgets_init', 'everal_widgets_init' );
/**
* Register Google fonts for Everal 1.0.
*
* @since Everal 1.0
*
* @return string
*/
function everal_font_url() {
$fonts_url = '';
$roboto = ot_get_option('google_font_roboto');
$roboto_slab = ot_get_option('google_font_roboto_slab');
$open_sans = ot_get_option('google_font_open_sans');
$font_families = array();
if ( 'off' !== $roboto ) {
$font_families[] = 'Roboto:400,100,300,700,900';
}
if ( 'off' !== $roboto_slab ) {
$font_families[] = 'Roboto+Slab:400,100,300,700';
}
if ( 'off' !== $open_sans ) {
$font_families[] = 'Open+Sans:400,300,700';
}
if ( !empty($font_families) ) {
$query_args = array(
'family' => urlencode( implode( '|', $font_families ) ),
'subset' => urlencode( 'latin' ),
);
$fonts_url = add_query_arg( $query_args, '//fonts.googleapis.com/css' );
}
return $fonts_url;
}
/**
* Enqueue scripts and styles for the front end.
*
* @since Everal 1.0
*
* @return void
*/
function everal_scripts() {
wp_enqueue_style( 'bootstrap', get_template_directory_uri() . '/css/bootstrap.css', array() );
// Add Google fonts
// wp_register_style('googleFonts');
wp_enqueue_style( 'googleFonts', everal_font_url());
// Add Genericons font, used in the main stylesheet.
wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.0.2' );
// Load our main stylesheet.
wp_enqueue_style( 'everal-style', get_stylesheet_uri(), array( 'genericons' ) );
if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
wp_enqueue_script( 'comment-reply' );
}
if ( is_singular() && wp_attachment_is_image() ) {
wp_enqueue_script( 'everal-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20130402' );
}
if ( is_active_sidebar( 'sidebar-3' ) ) {
wp_enqueue_script( 'jquery-masonry' );
}
if ( is_front_page() ) {
wp_enqueue_script( 'everal-slider', get_template_directory_uri() . '/js/slider.js', array( 'jquery' ), '20131205', true );
}
wp_enqueue_script( 'everal-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20131209', true );
wp_enqueue_script( 'bootstrap', get_template_directory_uri() . '/js/bootstrap.js', array( 'jquery' ), '20131209', true );
wp_enqueue_style( 'animate', get_template_directory_uri() . '/css/animate.min.css', array() );
}
add_action( 'wp_enqueue_scripts', 'everal_scripts' );
// Admin Javascript
add_action( 'admin_enqueue_scripts', 'everal_admin_scripts' );
function everal_admin_scripts() {
wp_register_script('master', get_template_directory_uri() . '/inc/js/admin-master.js', array('jquery'));
wp_enqueue_script('master');
}
if ( ! function_exists( 'everal_the_attached_image' ) ) :
/**
* Print the attached image with a link to the next attached image.
*
* @since Everal 1.0
*
* @return void
*/
function everal_the_attached_image() {
$post = get_post();
/**
* Filter the default Everal 1.0 attachment size.
*
* @since Everal 1.0
*
* @param array $dimensions {
* An array of height and width dimensions.
*
* @type int $height Height of the image in pixels. Default 810.
* @type int $width Width of the image in pixels. Default 810.
* }
*/
$attachment_size = apply_filters( 'everal_attachment_size', array( 810, 810 ) );
$next_attachment_url = wp_get_attachment_url();
/*
* Grab the IDs of all the image attachments in a gallery so we can get the URL
* of the next adjacent image in a gallery, or the first image (if we're
* looking at the last image in a gallery), or, in a gallery of one, just the
* link to that image file.
*/
$attachment_ids = get_posts( array(
'post_parent' => $post->post_parent,
'fields' => 'ids',
'numberposts' => -1,
'post_status' => 'inherit',
'post_type' => 'attachment',
'post_mime_type' => 'image',
'order' => 'ASC',
'orderby' => 'menu_order ID',
) );
// If there is more than 1 attachment in a gallery...
if ( count( $attachment_ids ) > 1 ) {
foreach ( $attachment_ids as $attachment_id ) {
if ( $attachment_id == $post->ID ) {
$next_id = current( $attachment_ids );
break;
}
}
// get the URL of the next image attachment...
if ( $next_id ) {
$next_attachment_url = get_attachment_link( $next_id );
}
// or get the URL of the first image attachment.
else {
$next_attachment_url = get_attachment_link( array_shift( $attachment_ids ) );
}
}
printf( '<a href="%1$s" rel="attachment">%2$s</a>',
esc_url( $next_attachment_url ),
wp_get_attachment_image( $post->ID, $attachment_size )
);
}
endif;
/**
* Extend the default WordPress body classes.
*
* Adds body classes to denote:
* 1. Single or multiple authors.
* 2. Presence of header image.
* 3. Index views.
* 5. Presence of footer widgets.
* 6. Single views.
* 7. Featured content layout.
*
* @since Everal 1.0
*
* @param array $classes A list of existing body class values.
* @return array The filtered body class list.
*/
function everal_body_classes( $classes ) {
if ( is_multi_author() ) {
$classes[] = 'group-blog';
}
if ( is_archive() || is_search() || is_home() ) {
$classes[] = 'list-view';
}
if ( is_active_sidebar( 'sidebar-3' ) ) {
$classes[] = 'footer-widgets';
}
if ( is_singular() && ! is_front_page() ) {
$classes[] = 'singular';
}
if ( is_front_page() ) {
$classes[] = 'slider';
} elseif ( is_front_page() ) {
$classes[] = 'grid';
}
return $classes;
}
add_filter( 'body_class', 'everal_body_classes' );
/**
* Extend the default WordPress post classes.
*
* Adds a post class to denote:
* Non-password protected page with a post thumbnail.
*
* @since Everal 1.0
*
* @param array $classes A list of existing post class values.
* @return array The filtered post class list.
*/
function everal_post_classes( $classes ) {
if ( ! post_password_required() && has_post_thumbnail() ) {
$classes[] = 'has-post-thumbnail';
}
return $classes;
}
add_filter( 'post_class', 'everal_post_classes' );
/**
* Create a nicely formatted and more specific title element text for output
* in head of document, based on current view.
*
* @since Everal 1.0
*
* @param string $title Default title text for current view.
* @param string $sep Optional separator.
* @return string The filtered title.
*/
function everal_wp_title( $title, $sep ) {
global $paged, $page;
if ( is_feed() ) {
return $title;
}
// Add the site name.
$title .= get_bloginfo( 'name' );
// Add the site description for the home/front page.
$site_description = get_bloginfo( 'description', 'display' );
if ( $site_description && ( is_home() || is_front_page() ) ) {
$title = "$title $sep $site_description";
}
// Add a page number if necessary.
if ( $paged >= 2 || $page >= 2 ) {
$title = "$title $sep " . sprintf( __( 'Page %s', 'everal' ), max( $paged, $page ) );
}
return $title;
}
add_filter( 'wp_title', 'everal_wp_title', 10, 2 );
// Custom template tags for this theme.
require get_template_directory() . '/inc/template-tags.php';
// Add Theme Customizer functionality.
require get_template_directory() . '/inc/customizer.php';
/*
* Add Featured Content functionality.
*
* To overwrite in a plugin, define your own Featured_Content class on or
* before the 'setup_theme' hook.
*/
if ( ! class_exists( 'Featured_Content' ) && 'plugins.php' !== $GLOBALS['pagenow'] ) {
require get_template_directory() . '/inc/featured-content.php';
}
/**
* Create HTML list of nav menu items.
* Replacement for the native Walker, using the description.
*
* @see http://wordpress.stackexchange.com/q/14037/
* @author toscho, http://toscho.de
*/
class Header_Menu_Walker extends Walker_Nav_Menu {
/**
* Start the element output.
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $item Menu item data object.
* @param int $depth Depth of menu item. May be used for padding.
* @param array $args Additional strings.
* @return void
*/
function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
$classes = empty ( $item->classes ) ? array () : (array) $item->classes;
$has_description = '';
$class_names = join(
' '
, apply_filters(
'nav_menu_css_class'
, array_filter( $classes ), $item
)
);
// insert description for top level elements only
// you may change this
$description = ( ! empty ( $item->description ) )
? '<small>' . esc_attr( $item->description ) . '</small>' : '';
$has_description = ( ! empty ( $item->description ) )
? 'has-description ' : '';
! empty ( $class_names )
and $class_names = ' class="' . $has_description . esc_attr( $class_names ) . '"';
$output .= "<li id='menu-item-$item->ID' $class_names>";
$attributes = '';
if ( !isset($item->target) ) {
$item->target = '';
}
if ( !isset($item->attr_title) ) {
$item->attr_title = '';
}
if ( !isset($item->xfn) ) {
$item->xfn = '';
}
if ( !isset($item->url) ) {
$item->url = '';
}
if ( !isset($item->title) ) {
$item->title = '';
}
if ( !isset($item->ID) ) {
$item->ID = '';
}
if ( !isset($args->link_before) ) {
$args = new stdClass();
$args->link_before = '';
}
if ( !isset($args->before) ) {
$args->before = '';
}
if ( !isset($args->link_after) ) {
$args->link_after = '';
}
if ( !isset($args->after) ) {
$args->after = '';
}
! empty( $item->attr_title )
and $attributes .= ' title="' . esc_attr( $item->attr_title ) .'"';
! empty( $item->target )
and $attributes .= ' target="' . esc_attr( $item->target ) .'"';
! empty( $item->xfn )
and $attributes .= ' rel="' . esc_attr( $item->xfn ) .'"';
! empty( $item->url )
and $attributes .= ' href="' . esc_attr( $item->url ) .'"';
$title = apply_filters( 'the_title', $item->title, $item->ID );
$item_output = $args->before
. "<a $attributes>"
. $args->link_before
. '<span>' . $title . '</span>'
. $description
. '</a> '
. $args->link_after
. $args->after;
// Since $output is called by reference we don't need to return anything.
$output .= apply_filters(
'walker_nav_menu_start_el'
, $item_output
, $item
, $depth
, $args
);
}
}
function everal_admin_rating_notice() {
$user = wp_get_current_user();
?>
<div class="everal-rating-notice">
<span class="everal-notice-left">
<img src="<?php echo get_template_directory_uri(); ?>/images/logo-square.png" alt="">
</span>
<div class="everal-notice-center">
<p>Hi there, <?php echo $user->data->display_name; ?>, we noticed that you've been using Everal for a while now.</p>
<p>We spent many hours developing this free theme for you and we would appriciate if you supported us by rating it!</p>
</div>
<div class="everal-notice-right">
<a href="https://wordpress.org/support/view/theme-reviews/everal?rate=5#postform" class="button button-primary button-large everal-rating-rate">Rate at WordPress</a>
<a href="javascript:void(0)" class="button button-large preview everal-rating-dismiss">No, thanks</a>
</div>
<div class="clearfix"></div>
</div>
<?php
}
if ( get_option('everal_rating_notice') && get_option('everal_rating_notice') != 'hide' && time() - get_option('everal_rating_notice') > 432000 ) {
add_action( 'admin_notices', 'everal_admin_rating_notice' );
}
function everal_dismiss_rating_notice() {
update_option('everal_rating_notice', 'hide');
die(0);
}
add_action( 'wp_ajax_nopriv_everal_dismiss_notice', 'everal_dismiss_rating_notice' );
add_action( 'wp_ajax_everal_dismiss_notice', 'everal_dismiss_rating_notice' );
function everal_theme_activated() {
if ( !get_option('everal_rating_notice') ) {
update_option('everal_rating_notice', time());
}
}
add_action('after_switch_theme', 'everal_theme_activated');