tag in the document head, and expect WordPress to
* provide it for us.
*/
add_theme_support( 'title-tag' );
/**
* Enable support for Post Thumbnails on posts and pages.
*
* @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/
*/
add_theme_support( 'post-thumbnails' );
// Adds theme-specific images sizes
add_image_size( 'textbook-thumbnail-avatar', 100, 100, true );
add_image_size( 'textbook-featured-content-image', 600, 600, true );
add_image_size( 'textbook-featured-content-image-full', 1148, 600, true );
/**
* This theme uses wp_nav_menu() in two locations.
*/
register_nav_menus(
array(
'header' => __( 'Header', 'textbook' ),
'footer' => __( 'Footer', 'textbook' ),
)
);
/*
* 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',
)
);
// 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' => esc_html__( 'Red', 'textbook' ),
'slug' => 'red',
'color' => '#ce4639',
),
array(
'name' => esc_html__( 'Green', 'textbook' ),
'slug' => 'green',
'color' => '#26866d',
),
array(
'name' => esc_html__( 'Purple', 'textbook' ),
'slug' => 'purple',
'color' => '#8b66d6',
),
array(
'name' => esc_html__( 'Dark Gray', 'textbook' ),
'slug' => 'dark-gray',
'color' => '#222',
),
array(
'name' => esc_html__( 'Medium Gray', 'textbook' ),
'slug' => 'medium-gray',
'color' => '#777',
),
array(
'name' => esc_html__( 'Light Gray', 'textbook' ),
'slug' => 'light-gray',
'color' => '#e1dfdc',
),
array(
'name' => esc_html__( 'White', 'textbook' ),
'slug' => 'white',
'color' => '#fff',
),
)
);
}
endif;
add_action( 'after_setup_theme', 'textbook_setup' );
/**
* Set 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
*/
function textbook_content_width() {
$GLOBALS['content_width'] = apply_filters( 'textbook_content_width', 900 );
}
add_action( 'after_setup_theme', 'textbook_content_width', 0 );
/**
* Set theme date format to TextBook suggested default.
*/
function textbook_update_date_format() {
update_option( 'date_format', 'j M Y' );
}
add_action( 'after_switch_theme', 'textbook_update_date_format', 0 );
/**
* Register widget area.
*
* @link https://developer.wordpress.org/themes/functionality/sidebars/#registering-a-sidebar
*/
function textbook_widgets_init() {
register_sidebar(
array(
'name' => esc_html__( 'Sidebar', 'textbook' ),
'id' => 'sidebar-1',
'before_widget' => '',
'before_title' => '',
)
);
register_sidebar(
array(
'name' => esc_html__( 'Footer Sidebar', 'textbook' ),
'id' => 'sidebar-2',
'before_widget' => '',
'before_title' => '',
)
);
}
add_action( 'widgets_init', 'textbook_widgets_init' );
/**
* Output Libre Franklin Pro Google Font URL
*
* @link https://fonts.google.com/specimen/Libre+Franklin/
* @return string
*/
function textbook_libre_franklin_url() {
$libre_franklin_font_url = '';
/* translators: If there are characters in your language that are not supported
* by Libre Franklin, translate this to 'off'. Do not translate into your own language.
*/
if ( 'off' !== esc_html_x( 'on', 'Libre Franklin font: on or off', 'textbook' ) ) {
$subsets = 'latin,latin-ext';
/* translators: To add an additional Libre Franklin character subset specific to your language,
* translate this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language.
*/
$subset = esc_html_x( 'no-subset', 'Libre Franklin font: add new subset (greek, cyrillic, vietnamese)', 'textbook' );
if ( 'cyrillic' === $subset ) {
$subsets .= ',cyrillic,cyrillic-ext';
} elseif ( 'greek' === $subset ) {
$subsets .= ',greek,greek-ext';
} elseif ( 'vietnamese' === $subset ) {
$subsets .= ',vietnamese';
}
$libre_franklin_font_url = add_query_arg( 'family', 'Libre Franklin:300,500,600,300italic,600italic', '//fonts.googleapis.com/css' );
$libre_franklin_font_url = add_query_arg( 'subset', $subsets, $libre_franklin_font_url );
}
return $libre_franklin_font_url;
}
/**
* Output Playfair Display Google Font URL
*
* @link https://fonts.google.com/specimen/Playfair+Display+SC/
* @return string
*/
function textbook_playfair_display_url() {
$playfair_display_font_url = '';
/* translators: If there are characters in your language that are not supported
* by Playfair Display SC, translate this to 'off'. Do not translate into your own language.
*/
if ( 'off' !== esc_html_x( 'on', 'Playfair Display font: on or off', 'textbook' ) ) {
$subsets = 'latin,latin-ext';
/* translators: To add an additional Playfair Display SC character subset specific to your language,
* translate this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language.
*/
$subset = esc_html_x( 'no-subset', 'Playfair Display font: add new subset (greek, cyrillic, vietnamese)', 'textbook' );
if ( 'cyrillic' === $subset ) {
$subsets .= ',cyrillic,cyrillic-ext';
} elseif ( 'greek' === $subset ) {
$subsets .= ',greek,greek-ext';
} elseif ( 'vietnamese' === $subset ) {
$subsets .= ',vietnamese';
}
$playfair_display_font_url = add_query_arg( 'family', 'Playfair Display:400i', '//fonts.googleapis.com/css' );
$playfair_display_font_url = add_query_arg( 'subset', $subsets, $playfair_display_font_url );
}
return $playfair_display_font_url;
}
/**
* Output Playfair Display Small Caps Google Font URL
*
* @link https://fonts.google.com/specimen/Playfair+Display+SC/
* @return string
*/
function textbook_playfair_display_sc_url() {
$playfair_display_sc_font_url = '';
/* translators: If there are characters in your language that are not supported
* by Playfair Display SC, translate this to 'off'. Do not translate into your own language.
*/
if ( 'off' !== esc_html_x( 'on', 'Playfair Display SC font: on or off', 'textbook' ) ) {
$subsets = 'latin,latin-ext';
/* translators: To add an additional Playfair Display SC character subset specific to your language,
* translate this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language.
*/
$subset = esc_html_x( 'no-subset', 'Playfair Display SC font: add new subset (greek, cyrillic, vietnamese)', 'textbook' );
if ( 'cyrillic' === $subset ) {
$subsets .= ',cyrillic,cyrillic-ext';
} elseif ( 'greek' === $subset ) {
$subsets .= ',greek,greek-ext';
} elseif ( 'vietnamese' === $subset ) {
$subsets .= ',vietnamese';
}
$playfair_display_sc_font_url = add_query_arg( 'family', 'Playfair Display SC:700', '//fonts.googleapis.com/css' );
$playfair_display_sc_font_url = add_query_arg( 'subset', $subsets, $playfair_display_sc_font_url );
}
return $playfair_display_sc_font_url;
}
/*
* Enqueue scripts and styles.
*/
function textbook_scripts() {
/*
* Styles
*/
// Libre Franklin font
wp_register_style( 'textbook-libre-franklin', textbook_libre_franklin_url(), array(), null );
wp_enqueue_style( 'textbook-libre-franklin' );
// Playfair Display font
wp_register_style( 'textbook-playfair-display', textbook_playfair_display_url(), array(), null );
wp_enqueue_style( 'textbook-playfair-display' );
// Playfair Display Small Caps font
wp_register_style( 'textbook-playfair-display-sc', textbook_playfair_display_sc_url(), array(), null );
wp_enqueue_style( 'textbook-playfair-display-sc' );
// Textbook Stylesheet
wp_enqueue_style( 'textbook-style', get_stylesheet_uri() );
// Block stylesheets
wp_enqueue_style( 'textbook-block-style', get_template_directory_uri() . '/assets/css/blocks.css', array( 'textbook-style' ), '20181018' );
/*
* Scripts
*/
// Flexslider
wp_enqueue_script( 'textbook-flexslider', get_template_directory_uri() . '/assets/js/jquery.flexslider.js', array( 'jquery' ), '2.6.1', true );
// General functions
wp_enqueue_script( 'textbook-functions', get_template_directory_uri() . '/assets/js/functions.js', array( 'jquery' ), '20160624', true );
// Navigation
wp_enqueue_script( 'textbook-navigation', get_template_directory_uri() . '/assets/js/navigation.js', array( 'jquery' ), '20151215', true );
// Skip link
wp_enqueue_script( 'textbook-skip-link-focus-fix', get_template_directory_uri() . '/assets/js/skip-link-focus-fix.js', array(), '20151215', true );
// Threaded comments
if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
wp_enqueue_script( 'comment-reply' );
}
// Menu toggle text
wp_localize_script(
'textbook-navigation',
'textBookMenuToggleText',
array(
'menu' => esc_html__( 'Menu', 'textbook' ),
'close' => esc_html__( 'Close', 'textbook' ),
)
);
// Expand collapse menu text
wp_localize_script(
'textbook-navigation',
'textBookScreenReaderText',
array(
'expand' => esc_html__( 'expand child menu', 'textbook' ),
'collapse' => esc_html__( 'collapse child menu', 'textbook' ),
)
);
// Search toggle text
wp_localize_script(
'textbook-navigation',
'textBookSearchToggleText',
array(
'search' => esc_html__( 'Search', 'textbook' ),
'close' => esc_html__( 'Close', 'textbook' ),
)
);
}
add_action( 'wp_enqueue_scripts', 'textbook_scripts' );
/**
* Enqueue editor styles for Gutenberg
*/
function textbook_block_editor_styles() {
// Block styles.
wp_enqueue_style( 'textbook-block-editor-style', get_template_directory_uri() . '/assets/css/editor-blocks.css' );
// Libre Franklin font
wp_register_style( 'textbook-libre-franklin', textbook_libre_franklin_url(), array(), null );
wp_enqueue_style( 'textbook-libre-franklin' );
// Playfair Display font
wp_register_style( 'textbook-playfair-display', textbook_playfair_display_url(), array(), null );
wp_enqueue_style( 'textbook-playfair-display' );
// Playfair Display Small Caps font
wp_register_style( 'textbook-playfair-display-sc', textbook_playfair_display_sc_url(), array(), null );
wp_enqueue_style( 'textbook-playfair-display-sc' );
}
add_action( 'enqueue_block_editor_assets', 'textbook_block_editor_styles' );
/*
* Check whether the browser supports JavaScript.
*/
function textbook_html_js_class() {
echo '' . "\n";
}
add_action( 'wp_head', 'textbook_html_js_class', 1 );
/*
* Implement the Custom Header feature.
*/
require get_template_directory() . '/inc/custom-header.php';
/*
* Custom template tags for this theme.
*/
require get_template_directory() . '/inc/template-tags.php';
/*
* Custom functions that act independently of the theme templates.
*/
require get_template_directory() . '/inc/extras.php';
/*
* Customizer additions.
*/
require get_template_directory() . '/inc/customizer.php';
/*
* Load Jetpack compatibility file.
*/
require get_template_directory() . '/inc/jetpack.php';