8347656eb8
Initially intended as a part-fix for #3134 to enable child themes to swap typefaces that get included more easily, this also extends that change across to many themes using the common patterns. It explicitly does not change the following themes: Spearhead (uses different endpoint and method) And the following themes that have multiple functions that generate typeface includes so as to avoid confusion: * canard * gazette * illustratr * publication
421 lines
13 KiB
PHP
421 lines
13 KiB
PHP
<?php
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/**
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* Libretto functions and definitions
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*
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* @package Libretto
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*/
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/**
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* Set the content width based on the theme's design and stylesheet.
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*/
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if ( ! isset( $content_width ) ) {
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$content_width = 720; /* 680px wide plus a 40px buffer */
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}
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if ( ! function_exists( 'libretto_setup' ) ) :
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/**
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* Sets up theme defaults and registers support for various WordPress features.
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*
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* Note that this function is hooked into the after_setup_theme hook, which runs
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* before the init hook. The init hook is too late for some features, such as indicating
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* support post thumbnails.
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*/
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function libretto_setup() {
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/**
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* Make theme available for translation
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* Translations can be filed in the /languages/ directory
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* If you're building a theme based on Libretto, use a find and replace
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* to change 'libretto' to the name of your theme in all the template files
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*/
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load_theme_textdomain( 'libretto', get_template_directory() . '/languages' );
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/**
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* Add default posts and comments RSS feed links to head
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*/
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add_theme_support( 'automatic-feed-links' );
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/**
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* Enable support for Post Thumbnails
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*/
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add_theme_support( 'post-thumbnails' );
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/**
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* Add custom image sizes for:
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* 1. The site logo
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* 2. Large images that overlap the content area a smidge
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* 3. Full-page images (primarily used for featured images)
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*/
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add_image_size( 'libretto-logo', 200, 200, false );
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add_image_size( 'libretto-oversized', 900, 600, false );
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add_image_size( 'libretto-fullpage', 1600, 1000, false );
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// Add support for responsive embeds.
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add_theme_support( 'responsive-embeds' );
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// Add custom colors to Gutenberg
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add_theme_support(
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'editor-color-palette',
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array(
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array(
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'name' => esc_html__( 'Black', 'libretto' ),
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'slug' => 'black',
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'color' => '#26231e',
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),
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array(
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'name' => esc_html__( 'Dark Gray', 'libretto' ),
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'slug' => 'dark-gray',
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'color' => '#787065',
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),
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array(
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'name' => esc_html__( 'Medium Gray', 'libretto' ),
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'slug' => 'medium-gray',
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'color' => '#a09a92',
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),
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array(
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'name' => esc_html__( 'Light Gray', 'libretto' ),
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'slug' => 'light-gray',
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'color' => '#d9d6d0',
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),
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array(
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'name' => esc_html__( 'White', 'libretto' ),
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'slug' => 'white',
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'color' => '#ffffff',
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),
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array(
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'name' => esc_html__( 'Red', 'libretto' ),
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'slug' => 'red',
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'color' => '#932817',
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),
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array(
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'name' => esc_html__( 'Dark Red', 'libretto' ),
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'slug' => 'dark-red',
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'color' => '#712012',
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),
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)
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);
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/**
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* This theme uses wp_nav_menu() in two locations:
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* one at the top of the page, and one for social media links in the footer
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*/
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register_nav_menus(
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array(
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'primary' => __( 'Primary Menu', 'libretto' ),
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'social' => __( 'Social Media Menu', 'libretto' ),
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)
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);
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/**
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* Enable support for Post Formats
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*/
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add_theme_support(
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'post-formats',
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array(
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'aside',
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'image',
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'video',
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'quote',
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'link',
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'audio',
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'chat',
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'gallery',
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'status',
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)
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);
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/**
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* Enable support for custom background
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*/
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add_theme_support(
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'custom-background',
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array(
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'default-color' => '#f2f1ed',
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)
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);
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/**
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* Enable support for proper titles
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*/
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add_theme_support( 'title-tag' );
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/**
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* Use editor admin styles.
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*/
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add_editor_style( array( 'css/editor-style.css', libretto_fonts_url() ) );
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/**
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* Switch default core markup for search form, comment form, and comments
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* to output valid HTML5.
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*/
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add_theme_support(
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'html5',
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array(
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'search-form',
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'comment-form',
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'comment-list',
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'gallery',
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'caption',
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)
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);
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} // libretto_setup()
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endif;
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add_action( 'after_setup_theme', 'libretto_setup' );
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/**
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* Register widgetized area and update sidebar with default widgets
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*/
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function libretto_widgets_init() {
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register_sidebar(
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array(
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'name' => __( 'First Footer Sidebar', 'libretto' ),
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'id' => 'sidebar-1',
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'before_widget' => '<aside id="%1$s" class="widget %2$s">',
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'after_widget' => '</aside>',
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'before_title' => '<h2 class="widget-title">',
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'after_title' => '</h2>',
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)
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);
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register_sidebar(
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array(
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'name' => __( 'Second Footer Sidebar', 'libretto' ),
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'id' => 'sidebar-2',
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'before_widget' => '<aside id="%1$s" class="widget %2$s">',
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'after_widget' => '</aside>',
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'before_title' => '<h2 class="widget-title">',
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'after_title' => '</h2>',
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)
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);
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register_sidebar(
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array(
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'name' => __( 'Third Footer Sidebar', 'libretto' ),
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'id' => 'sidebar-3',
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'before_widget' => '<aside id="%1$s" class="widget %2$s">',
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'after_widget' => '</aside>',
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'before_title' => '<h2 class="widget-title">',
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'after_title' => '</h2>',
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)
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);
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register_sidebar(
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array(
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'name' => __( 'Fourth Footer Sidebar', 'libretto' ),
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'id' => 'sidebar-4',
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'before_widget' => '<aside id="%1$s" class="widget %2$s">',
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'after_widget' => '</aside>',
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'before_title' => '<h2 class="widget-title">',
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'after_title' => '</h2>',
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)
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);
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}
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add_action( 'widgets_init', 'libretto_widgets_init' );
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/**
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* Generate URLs for our custom fonts (via Google)
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*/
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function libretto_fonts_url() {
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$fonts_url = '';
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/* Translators: If there are characters in your language that are not
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* supported by Libre Baskerville, translate this to 'off'. Do not translate
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* into your own language.
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*/
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$libre_baskerville = _x( 'on', 'Libre Baskerville font: on or off', 'libretto' );
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/* Translators: If there are characters in your language that are not
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* supported by Montserrat, translate this to 'off'. Do not translate
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* into your own language.
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*/
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$montserrat = _x( 'on', 'Montserrat font: on or off', 'libretto' );
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/* Translators: If there are characters in your language that are not
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* supported by Playfair Display, translate this to 'off'. Do not translate
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* into your own language.
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*/
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$playfair_display = _x( 'on', 'Playfair Display font: on or off', 'libretto' );
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/* Translators: If there are characters in your language that are not
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* supported by Droid Mono, translate this to 'off'. Do not translate
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* into your own language.
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*/
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$droid_mono = _x( 'on', 'Droid Sans Mono font: on or off', 'libretto' );
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if ( 'off' !== $libre_baskerville || 'off' !== $montserrat || 'off' !== $playfair_display || 'off' !== $droid_mono ) :
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$font_families = array();
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if ( 'off' !== $libre_baskerville ) {
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$font_families[] = 'Libre Baskerville:400,700,400italic';
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}
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if ( 'off' !== $playfair_display ) {
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$font_families[] = 'Playfair Display:400,700,400italic,700italic';
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$font_families[] = 'Playfair Display SC:700,700italic';
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}
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if ( 'off' !== $montserrat ) {
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$font_families[] = 'Montserrat:400';
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}
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if ( 'off' !== $droid_mono ) {
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$font_families[] = 'Droid Sans Mono:400';
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}
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/**
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* A filter to enable child themes to add/change/omit font families.
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*
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* @param array $font_families An array of font families to be imploded for the Google Font API
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*/
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$font_families = apply_filters( 'included_google_font_families', $font_families );
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$query_args = array(
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'family' => urlencode( implode( '|', $font_families ) ),
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'subset' => urlencode( 'latin,latin-ext' ),
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);
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$fonts_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' );
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endif;
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return $fonts_url;
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}
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/**
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* Enqueue scripts and styles
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*/
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function libretto_scripts() {
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// General site stylesheet & JS
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wp_enqueue_style( 'libretto-style', get_stylesheet_uri() );
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wp_enqueue_script( 'libretto-script', get_template_directory_uri() . '/js/libretto.js', array( 'jquery' ), '20140331' );
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// Gutenberg styles
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wp_enqueue_style( 'libretto-blocks', get_template_directory_uri() . '/css/blocks.css' );
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// Fonts
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wp_enqueue_style( 'libretto-fonts', libretto_fonts_url(), array(), null );
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wp_enqueue_style( 'libretto-custom-icons', get_template_directory_uri() . '/icons/icons.css', array(), null );
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// Navigation
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wp_enqueue_script( 'libretto-touche', get_template_directory_uri() . '/js/touche.js', '20150604', true );
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wp_enqueue_script( 'libretto-navigation', get_template_directory_uri() . '/js/navigation.js', array( 'jquery' ), '20150115', true );
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wp_enqueue_script( 'libretto-skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array(), '20130115', true );
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// Comments
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if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
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wp_enqueue_script( 'comment-reply' );
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}
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}
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add_action( 'wp_enqueue_scripts', 'libretto_scripts' );
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/**
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* Gutenberg Editor Styles
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*/
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function libretto_editor_styles() {
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wp_enqueue_style( 'libretto-editor-block-style', get_template_directory_uri() . '/css/editor-blocks.css' );
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wp_enqueue_style( 'libretto-fonts', libretto_fonts_url(), array(), null );
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}
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add_action( 'enqueue_block_editor_assets', 'libretto_editor_styles' );
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/**
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* Create a reusable array of available sidebars.
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* Used in sidebar.php and in inc/jetpack.php to adjust footer area according to usage.
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*/
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function libretto_get_active_sidebars() {
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// Loop through all possible sidebar areas to determine if they're active or not
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$available_sidebars = array( 'sidebar-1', 'sidebar-2', 'sidebar-3', 'sidebar-4' );
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$active_sidebars = array();
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foreach ( $available_sidebars as $sidebar_name ) :
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if ( is_active_sidebar( $sidebar_name ) ) {
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$active_sidebars[] = $sidebar_name;
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}
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endforeach;
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return $active_sidebars;
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}
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/*
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* Get information about the header image for our current page.
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*
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* We want to use an image in the background of our masthead in two cases:
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* if there's a featured image for the post, or if there's a header image set for the site.
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* In either case, we're going to need know the dimensions of the image and the URL.
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* Usage: libretto_get_header_image( 'height' );
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* You can pass a variable to request a particular type of information. Default is URL.
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*/
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function libretto_get_header_image( $request = '' ) {
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// If there's a featured image set for the post/page, use that
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if ( libretto_has_post_thumbnail() && is_single() && libretto_jetpack_featured_image_display() ) :
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$libretto_featured_image = libretto_get_attachment_image_src( get_the_ID(), get_post_thumbnail_id( get_the_ID() ), 'libretto-fullpage' );
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$libretto_header_image = $libretto_featured_image;
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$libretto_header_image_height = 1000;
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elseif ( has_post_thumbnail() && is_singular() && libretto_jetpack_featured_image_display() ) :
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$libretto_featured_image = wp_get_attachment_image_src( get_post_thumbnail_id(), 'libretto-fullpage' );
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$libretto_header_image = $libretto_featured_image[0];
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$libretto_header_image_height = $libretto_featured_image[2];
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// Otherwise, use the header image
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elseif ( get_header_image() ) :
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$libretto_header_image = get_header_image();
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$libretto_header_image_height = get_custom_header()->height;
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endif;
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// We'll return different information depending on the parameter passed
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// This allows us to use the same function for two things
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if ( isset( $libretto_header_image ) ) :
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if ( 'height' === $request ) {
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return $libretto_header_image_height;
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} else {
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return $libretto_header_image;
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}
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endif;
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}
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/**
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* Use a bare ellipsis after post excerpts.
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*/
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function libretto_excerpt_more( $more ) {
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return '…';
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}
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add_filter( 'excerpt_more', 'libretto_excerpt_more' );
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/**
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* Add a blockquote tag around the content of a quote post format,
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* if the content of the post doesn't already contain one.
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*/
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function libretto_add_blockquote_to_quote( $content ) {
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if ( is_singular() || is_archive() || is_home() ) :
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// Only run on quote post types, and only for those that don't already contain a blockquote
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// Note: we look for "<blockquote" specifically so as to catch instances of blockquotes with additional attributes
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if ( 'quote' === get_post_format() && strpos( $content, '<blockquote' ) === false ) {
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$content = '<blockquote>' . $content . '</blockquote>';
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}
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endif;
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return $content;
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}
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add_filter( 'the_content', 'libretto_add_blockquote_to_quote' );
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add_filter( 'get_the_excerpt', 'libretto_add_blockquote_to_quote' );
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/**
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* Implement the Custom Header feature.
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*/
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require get_template_directory() . '/inc/custom-header.php';
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/**
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* Custom template tags for this theme.
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*/
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require get_template_directory() . '/inc/template-tags.php';
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/**
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* Custom functions that act independently of the theme templates.
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*/
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require get_template_directory() . '/inc/extras.php';
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/**
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* Customizer additions.
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*/
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require get_template_directory() . '/inc/customizer.php';
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/**
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* Load Jetpack compatibility file.
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*/
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require get_template_directory() . '/inc/jetpack.php';
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