383 lines
12 KiB
PHP
383 lines
12 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', 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( 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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* Enable support for Post Formats
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*/
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add_theme_support( 'post-formats', array(
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'aside', 'image', 'video', 'quote', 'link', 'audio', 'chat', 'gallery', 'status',
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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( 'custom-background', array(
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'default-color' => '#f2f1ed',
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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( 'html5', array(
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'search-form', 'comment-form', 'comment-list', 'gallery', 'caption',
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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( 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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register_sidebar( 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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register_sidebar( 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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register_sidebar( 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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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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$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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