mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-13 22:26:06 +01:00
94b3dcc605
Props samanehmirrajabi. Fixes #46823. Built from https://develop.svn.wordpress.org/trunk@45126 git-svn-id: http://core.svn.wordpress.org/trunk@44935 1a063a9b-81f0-0310-95a4-ce76da25c4cd
576 lines
18 KiB
PHP
576 lines
18 KiB
PHP
<?php
|
|
/**
|
|
* Twenty Sixteen 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 https://codex.wordpress.org/Theme_Development
|
|
* @link https://developer.wordpress.org/themes/advanced-topics/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 https://codex.wordpress.org/Plugin_API}
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Twenty_Sixteen
|
|
* @since Twenty Sixteen 1.0
|
|
*/
|
|
|
|
/**
|
|
* Twenty Sixteen only works in WordPress 4.4 or later.
|
|
*/
|
|
if ( version_compare( $GLOBALS['wp_version'], '4.4-alpha', '<' ) ) {
|
|
require get_template_directory() . '/inc/back-compat.php';
|
|
}
|
|
|
|
if ( ! function_exists( 'twentysixteen_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 for post thumbnails.
|
|
*
|
|
* Create your own twentysixteen_setup() function to override in a child theme.
|
|
*
|
|
* @since Twenty Sixteen 1.0
|
|
*/
|
|
function twentysixteen_setup() {
|
|
/*
|
|
* Make theme available for translation.
|
|
* Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentysixteen
|
|
* If you're building a theme based on Twenty Sixteen, use a find and replace
|
|
* to change 'twentysixteen' to the name of your theme in all the template files
|
|
*/
|
|
load_theme_textdomain( 'twentysixteen' );
|
|
|
|
// Add default posts and comments RSS feed links to head.
|
|
add_theme_support( 'automatic-feed-links' );
|
|
|
|
/*
|
|
* Let WordPress manage the document title.
|
|
* By adding theme support, we declare that this theme does not use a
|
|
* hard-coded <title> tag in the document head, and expect WordPress to
|
|
* provide it for us.
|
|
*/
|
|
add_theme_support( 'title-tag' );
|
|
|
|
/*
|
|
* Enable support for custom logo.
|
|
*
|
|
* @since Twenty Sixteen 1.2
|
|
*/
|
|
add_theme_support(
|
|
'custom-logo',
|
|
array(
|
|
'height' => 240,
|
|
'width' => 240,
|
|
'flex-height' => true,
|
|
)
|
|
);
|
|
|
|
/*
|
|
* Enable support for Post Thumbnails on posts and pages.
|
|
*
|
|
* @link https://developer.wordpress.org/reference/functions/add_theme_support/#post-thumbnails
|
|
*/
|
|
add_theme_support( 'post-thumbnails' );
|
|
set_post_thumbnail_size( 1200, 9999 );
|
|
|
|
// This theme uses wp_nav_menu() in two locations.
|
|
register_nav_menus(
|
|
array(
|
|
'primary' => __( 'Primary Menu', 'twentysixteen' ),
|
|
'social' => __( 'Social Links Menu', 'twentysixteen' ),
|
|
)
|
|
);
|
|
|
|
/*
|
|
* 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',
|
|
'gallery',
|
|
'caption',
|
|
)
|
|
);
|
|
|
|
/*
|
|
* Enable support for Post Formats.
|
|
*
|
|
* See: https://codex.wordpress.org/Post_Formats
|
|
*/
|
|
add_theme_support(
|
|
'post-formats',
|
|
array(
|
|
'aside',
|
|
'image',
|
|
'video',
|
|
'quote',
|
|
'link',
|
|
'gallery',
|
|
'status',
|
|
'audio',
|
|
'chat',
|
|
)
|
|
);
|
|
|
|
/*
|
|
* This theme styles the visual editor to resemble the theme style,
|
|
* specifically font, colors, icons, and column width.
|
|
*/
|
|
add_editor_style( array( 'css/editor-style.css', twentysixteen_fonts_url() ) );
|
|
|
|
// Load regular editor styles into the new block-based editor.
|
|
add_theme_support( 'editor-styles' );
|
|
|
|
// Load default block styles.
|
|
add_theme_support( 'wp-block-styles' );
|
|
|
|
// Add support for responsive embeds.
|
|
add_theme_support( 'responsive-embeds' );
|
|
|
|
// Add support for custom color scheme.
|
|
add_theme_support(
|
|
'editor-color-palette',
|
|
array(
|
|
array(
|
|
'name' => __( 'Dark Gray', 'twentysixteen' ),
|
|
'slug' => 'dark-gray',
|
|
'color' => '#1a1a1a',
|
|
),
|
|
array(
|
|
'name' => __( 'Medium Gray', 'twentysixteen' ),
|
|
'slug' => 'medium-gray',
|
|
'color' => '#686868',
|
|
),
|
|
array(
|
|
'name' => __( 'Light Gray', 'twentysixteen' ),
|
|
'slug' => 'light-gray',
|
|
'color' => '#e5e5e5',
|
|
),
|
|
array(
|
|
'name' => __( 'White', 'twentysixteen' ),
|
|
'slug' => 'white',
|
|
'color' => '#fff',
|
|
),
|
|
array(
|
|
'name' => __( 'Blue Gray', 'twentysixteen' ),
|
|
'slug' => 'blue-gray',
|
|
'color' => '#4d545c',
|
|
),
|
|
array(
|
|
'name' => __( 'Bright Blue', 'twentysixteen' ),
|
|
'slug' => 'bright-blue',
|
|
'color' => '#007acc',
|
|
),
|
|
array(
|
|
'name' => __( 'Light Blue', 'twentysixteen' ),
|
|
'slug' => 'light-blue',
|
|
'color' => '#9adffd',
|
|
),
|
|
array(
|
|
'name' => __( 'Dark Brown', 'twentysixteen' ),
|
|
'slug' => 'dark-brown',
|
|
'color' => '#402b30',
|
|
),
|
|
array(
|
|
'name' => __( 'Medium Brown', 'twentysixteen' ),
|
|
'slug' => 'medium-brown',
|
|
'color' => '#774e24',
|
|
),
|
|
array(
|
|
'name' => __( 'Dark Red', 'twentysixteen' ),
|
|
'slug' => 'dark-red',
|
|
'color' => '#640c1f',
|
|
),
|
|
array(
|
|
'name' => __( 'Bright Red', 'twentysixteen' ),
|
|
'slug' => 'bright-red',
|
|
'color' => '#ff675f',
|
|
),
|
|
array(
|
|
'name' => __( 'Yellow', 'twentysixteen' ),
|
|
'slug' => 'yellow',
|
|
'color' => '#ffef8e',
|
|
),
|
|
)
|
|
);
|
|
|
|
// Indicate widget sidebars can use selective refresh in the Customizer.
|
|
add_theme_support( 'customize-selective-refresh-widgets' );
|
|
}
|
|
endif; // twentysixteen_setup
|
|
add_action( 'after_setup_theme', 'twentysixteen_setup' );
|
|
|
|
/**
|
|
* Sets the content width in pixels, based on the theme's design and stylesheet.
|
|
*
|
|
* Priority 0 to make it available to lower priority callbacks.
|
|
*
|
|
* @global int $content_width
|
|
*
|
|
* @since Twenty Sixteen 1.0
|
|
*/
|
|
function twentysixteen_content_width() {
|
|
$GLOBALS['content_width'] = apply_filters( 'twentysixteen_content_width', 840 );
|
|
}
|
|
add_action( 'after_setup_theme', 'twentysixteen_content_width', 0 );
|
|
|
|
/**
|
|
* Add preconnect for Google Fonts.
|
|
*
|
|
* @since Twenty Sixteen 1.6
|
|
*
|
|
* @param array $urls URLs to print for resource hints.
|
|
* @param string $relation_type The relation type the URLs are printed.
|
|
* @return array $urls URLs to print for resource hints.
|
|
*/
|
|
function twentysixteen_resource_hints( $urls, $relation_type ) {
|
|
if ( wp_style_is( 'twentysixteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) {
|
|
$urls[] = array(
|
|
'href' => 'https://fonts.gstatic.com',
|
|
'crossorigin',
|
|
);
|
|
}
|
|
|
|
return $urls;
|
|
}
|
|
add_filter( 'wp_resource_hints', 'twentysixteen_resource_hints', 10, 2 );
|
|
|
|
/**
|
|
* Registers a widget area.
|
|
*
|
|
* @link https://developer.wordpress.org/reference/functions/register_sidebar/
|
|
*
|
|
* @since Twenty Sixteen 1.0
|
|
*/
|
|
function twentysixteen_widgets_init() {
|
|
register_sidebar(
|
|
array(
|
|
'name' => __( 'Sidebar', 'twentysixteen' ),
|
|
'id' => 'sidebar-1',
|
|
'description' => __( 'Add widgets here to appear in your sidebar.', 'twentysixteen' ),
|
|
'before_widget' => '<section id="%1$s" class="widget %2$s">',
|
|
'after_widget' => '</section>',
|
|
'before_title' => '<h2 class="widget-title">',
|
|
'after_title' => '</h2>',
|
|
)
|
|
);
|
|
|
|
register_sidebar(
|
|
array(
|
|
'name' => __( 'Content Bottom 1', 'twentysixteen' ),
|
|
'id' => 'sidebar-2',
|
|
'description' => __( 'Appears at the bottom of the content on posts and pages.', 'twentysixteen' ),
|
|
'before_widget' => '<section id="%1$s" class="widget %2$s">',
|
|
'after_widget' => '</section>',
|
|
'before_title' => '<h2 class="widget-title">',
|
|
'after_title' => '</h2>',
|
|
)
|
|
);
|
|
|
|
register_sidebar(
|
|
array(
|
|
'name' => __( 'Content Bottom 2', 'twentysixteen' ),
|
|
'id' => 'sidebar-3',
|
|
'description' => __( 'Appears at the bottom of the content on posts and pages.', 'twentysixteen' ),
|
|
'before_widget' => '<section id="%1$s" class="widget %2$s">',
|
|
'after_widget' => '</section>',
|
|
'before_title' => '<h2 class="widget-title">',
|
|
'after_title' => '</h2>',
|
|
)
|
|
);
|
|
}
|
|
add_action( 'widgets_init', 'twentysixteen_widgets_init' );
|
|
|
|
if ( ! function_exists( 'twentysixteen_fonts_url' ) ) :
|
|
/**
|
|
* Register Google fonts for Twenty Sixteen.
|
|
*
|
|
* Create your own twentysixteen_fonts_url() function to override in a child theme.
|
|
*
|
|
* @since Twenty Sixteen 1.0
|
|
*
|
|
* @return string Google fonts URL for the theme.
|
|
*/
|
|
function twentysixteen_fonts_url() {
|
|
$fonts_url = '';
|
|
$fonts = array();
|
|
$subsets = 'latin,latin-ext';
|
|
|
|
/* translators: If there are characters in your language that are not supported by Merriweather, translate this to 'off'. Do not translate into your own language. */
|
|
if ( 'off' !== _x( 'on', 'Merriweather font: on or off', 'twentysixteen' ) ) {
|
|
$fonts[] = 'Merriweather:400,700,900,400italic,700italic,900italic';
|
|
}
|
|
|
|
/* translators: If there are characters in your language that are not supported by Montserrat, translate this to 'off'. Do not translate into your own language. */
|
|
if ( 'off' !== _x( 'on', 'Montserrat font: on or off', 'twentysixteen' ) ) {
|
|
$fonts[] = 'Montserrat:400,700';
|
|
}
|
|
|
|
/* translators: If there are characters in your language that are not supported by Inconsolata, translate this to 'off'. Do not translate into your own language. */
|
|
if ( 'off' !== _x( 'on', 'Inconsolata font: on or off', 'twentysixteen' ) ) {
|
|
$fonts[] = 'Inconsolata:400';
|
|
}
|
|
|
|
if ( $fonts ) {
|
|
$fonts_url = add_query_arg(
|
|
array(
|
|
'family' => urlencode( implode( '|', $fonts ) ),
|
|
'subset' => urlencode( $subsets ),
|
|
),
|
|
'https://fonts.googleapis.com/css'
|
|
);
|
|
}
|
|
|
|
return $fonts_url;
|
|
}
|
|
endif;
|
|
|
|
/**
|
|
* Handles JavaScript detection.
|
|
*
|
|
* Adds a `js` class to the root `<html>` element when JavaScript is detected.
|
|
*
|
|
* @since Twenty Sixteen 1.0
|
|
*/
|
|
function twentysixteen_javascript_detection() {
|
|
echo "<script>(function(html){html.className = html.className.replace(/\bno-js\b/,'js')})(document.documentElement);</script>\n";
|
|
}
|
|
add_action( 'wp_head', 'twentysixteen_javascript_detection', 0 );
|
|
|
|
/**
|
|
* Enqueues scripts and styles.
|
|
*
|
|
* @since Twenty Sixteen 1.0
|
|
*/
|
|
function twentysixteen_scripts() {
|
|
// Add custom fonts, used in the main stylesheet.
|
|
wp_enqueue_style( 'twentysixteen-fonts', twentysixteen_fonts_url(), array(), null );
|
|
|
|
// Add Genericons, used in the main stylesheet.
|
|
wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.4.1' );
|
|
|
|
// Theme stylesheet.
|
|
wp_enqueue_style( 'twentysixteen-style', get_stylesheet_uri() );
|
|
|
|
// Theme block stylesheet.
|
|
wp_enqueue_style( 'twentysixteen-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentysixteen-style' ), '20181230' );
|
|
|
|
// Load the Internet Explorer specific stylesheet.
|
|
wp_enqueue_style( 'twentysixteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentysixteen-style' ), '20160816' );
|
|
wp_style_add_data( 'twentysixteen-ie', 'conditional', 'lt IE 10' );
|
|
|
|
// Load the Internet Explorer 8 specific stylesheet.
|
|
wp_enqueue_style( 'twentysixteen-ie8', get_template_directory_uri() . '/css/ie8.css', array( 'twentysixteen-style' ), '20160816' );
|
|
wp_style_add_data( 'twentysixteen-ie8', 'conditional', 'lt IE 9' );
|
|
|
|
// Load the Internet Explorer 7 specific stylesheet.
|
|
wp_enqueue_style( 'twentysixteen-ie7', get_template_directory_uri() . '/css/ie7.css', array( 'twentysixteen-style' ), '20160816' );
|
|
wp_style_add_data( 'twentysixteen-ie7', 'conditional', 'lt IE 8' );
|
|
|
|
// Load the html5 shiv.
|
|
wp_enqueue_script( 'twentysixteen-html5', get_template_directory_uri() . '/js/html5.js', array(), '3.7.3' );
|
|
wp_script_add_data( 'twentysixteen-html5', 'conditional', 'lt IE 9' );
|
|
|
|
wp_enqueue_script( 'twentysixteen-skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array(), '20160816', 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( 'twentysixteen-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20160816' );
|
|
}
|
|
|
|
wp_enqueue_script( 'twentysixteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20181230', true );
|
|
|
|
wp_localize_script(
|
|
'twentysixteen-script',
|
|
'screenReaderText',
|
|
array(
|
|
'expand' => __( 'expand child menu', 'twentysixteen' ),
|
|
'collapse' => __( 'collapse child menu', 'twentysixteen' ),
|
|
)
|
|
);
|
|
}
|
|
add_action( 'wp_enqueue_scripts', 'twentysixteen_scripts' );
|
|
|
|
/**
|
|
* Enqueue styles for the block-based editor.
|
|
*
|
|
* @since Twenty Sixteen 1.6
|
|
*/
|
|
function twentysixteen_block_editor_styles() {
|
|
// Block styles.
|
|
wp_enqueue_style( 'twentysixteen-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '20181230' );
|
|
// Add custom fonts.
|
|
wp_enqueue_style( 'twentysixteen-fonts', twentysixteen_fonts_url(), array(), null );
|
|
}
|
|
add_action( 'enqueue_block_editor_assets', 'twentysixteen_block_editor_styles' );
|
|
|
|
/**
|
|
* Adds custom classes to the array of body classes.
|
|
*
|
|
* @since Twenty Sixteen 1.0
|
|
*
|
|
* @param array $classes Classes for the body element.
|
|
* @return array (Maybe) filtered body classes.
|
|
*/
|
|
function twentysixteen_body_classes( $classes ) {
|
|
// Adds a class of custom-background-image to sites with a custom background image.
|
|
if ( get_background_image() ) {
|
|
$classes[] = 'custom-background-image';
|
|
}
|
|
|
|
// Adds a class of group-blog to sites with more than 1 published author.
|
|
if ( is_multi_author() ) {
|
|
$classes[] = 'group-blog';
|
|
}
|
|
|
|
// Adds a class of no-sidebar to sites without active sidebar.
|
|
if ( ! is_active_sidebar( 'sidebar-1' ) ) {
|
|
$classes[] = 'no-sidebar';
|
|
}
|
|
|
|
// Adds a class of hfeed to non-singular pages.
|
|
if ( ! is_singular() ) {
|
|
$classes[] = 'hfeed';
|
|
}
|
|
|
|
return $classes;
|
|
}
|
|
add_filter( 'body_class', 'twentysixteen_body_classes' );
|
|
|
|
/**
|
|
* Converts a HEX value to RGB.
|
|
*
|
|
* @since Twenty Sixteen 1.0
|
|
*
|
|
* @param string $color The original color, in 3- or 6-digit hexadecimal form.
|
|
* @return array Array containing RGB (red, green, and blue) values for the given
|
|
* HEX code, empty array otherwise.
|
|
*/
|
|
function twentysixteen_hex2rgb( $color ) {
|
|
$color = trim( $color, '#' );
|
|
|
|
if ( strlen( $color ) === 3 ) {
|
|
$r = hexdec( substr( $color, 0, 1 ) . substr( $color, 0, 1 ) );
|
|
$g = hexdec( substr( $color, 1, 1 ) . substr( $color, 1, 1 ) );
|
|
$b = hexdec( substr( $color, 2, 1 ) . substr( $color, 2, 1 ) );
|
|
} elseif ( strlen( $color ) === 6 ) {
|
|
$r = hexdec( substr( $color, 0, 2 ) );
|
|
$g = hexdec( substr( $color, 2, 2 ) );
|
|
$b = hexdec( substr( $color, 4, 2 ) );
|
|
} else {
|
|
return array();
|
|
}
|
|
|
|
return array(
|
|
'red' => $r,
|
|
'green' => $g,
|
|
'blue' => $b,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Custom template tags for this theme.
|
|
*/
|
|
require get_template_directory() . '/inc/template-tags.php';
|
|
|
|
/**
|
|
* Customizer additions.
|
|
*/
|
|
require get_template_directory() . '/inc/customizer.php';
|
|
|
|
/**
|
|
* Add custom image sizes attribute to enhance responsive image functionality
|
|
* for content images
|
|
*
|
|
* @since Twenty Sixteen 1.0
|
|
*
|
|
* @param string $sizes A source size value for use in a 'sizes' attribute.
|
|
* @param array $size Image size. Accepts an array of width and height
|
|
* values in pixels (in that order).
|
|
* @return string A source size value for use in a content image 'sizes' attribute.
|
|
*/
|
|
function twentysixteen_content_image_sizes_attr( $sizes, $size ) {
|
|
$width = $size[0];
|
|
|
|
if ( 840 <= $width ) {
|
|
$sizes = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px';
|
|
}
|
|
|
|
if ( 'page' === get_post_type() ) {
|
|
if ( 840 > $width ) {
|
|
$sizes = '(max-width: ' . $width . 'px) 85vw, ' . $width . 'px';
|
|
}
|
|
} else {
|
|
if ( 840 > $width && 600 <= $width ) {
|
|
$sizes = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px';
|
|
} elseif ( 600 > $width ) {
|
|
$sizes = '(max-width: ' . $width . 'px) 85vw, ' . $width . 'px';
|
|
}
|
|
}
|
|
|
|
return $sizes;
|
|
}
|
|
add_filter( 'wp_calculate_image_sizes', 'twentysixteen_content_image_sizes_attr', 10, 2 );
|
|
|
|
/**
|
|
* Add custom image sizes attribute to enhance responsive image functionality
|
|
* for post thumbnails
|
|
*
|
|
* @since Twenty Sixteen 1.0
|
|
*
|
|
* @param array $attr Attributes for the image markup.
|
|
* @param int $attachment Image attachment ID.
|
|
* @param array $size Registered image size or flat array of height and width dimensions.
|
|
* @return array The filtered attributes for the image markup.
|
|
*/
|
|
function twentysixteen_post_thumbnail_sizes_attr( $attr, $attachment, $size ) {
|
|
if ( 'post-thumbnail' === $size ) {
|
|
if ( is_active_sidebar( 'sidebar-1' ) ) {
|
|
$attr['sizes'] = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 60vw, (max-width: 1362px) 62vw, 840px';
|
|
} else {
|
|
$attr['sizes'] = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 88vw, 1200px';
|
|
}
|
|
}
|
|
return $attr;
|
|
}
|
|
add_filter( 'wp_get_attachment_image_attributes', 'twentysixteen_post_thumbnail_sizes_attr', 10, 3 );
|
|
|
|
/**
|
|
* Modifies tag cloud widget arguments to display all tags in the same font size
|
|
* and use list format for better accessibility.
|
|
*
|
|
* @since Twenty Sixteen 1.1
|
|
*
|
|
* @param array $args Arguments for tag cloud widget.
|
|
* @return array The filtered arguments for tag cloud widget.
|
|
*/
|
|
function twentysixteen_widget_tag_cloud_args( $args ) {
|
|
$args['largest'] = 1;
|
|
$args['smallest'] = 1;
|
|
$args['unit'] = 'em';
|
|
$args['format'] = 'list';
|
|
|
|
return $args;
|
|
}
|
|
add_filter( 'widget_tag_cloud_args', 'twentysixteen_widget_tag_cloud_args' );
|