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functions.php
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functions.php
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<?php
/**
* File: functions.php
* Theme: Flat Blocks
*
* Flat Blocks functions and definitions
*
* @link https://developer.wordpress.org/themes/basics/theme-functions/
*
* @package flat-blocks
* @since 1.0
*/
/**
* Sets up theme defaults and registers support for various WordPress features.
*/
add_action( 'after_setup_theme', 'flatblocks_support' );
if ( ! function_exists( 'flatblocks_support' ) ) :
function flatblocks_support() {
// Add support for additional core block styles. e.g. Separator width, left
// border color on quotes, etc. See here for full list:
// https://github.com/WordPress/gutenberg/blob/trunk/packages/block-library/src/theme.scss
//
// NOTE: As of WordPress v6.3, these are loaded AFTER the ones from theme.json so
// they are overriding this theme and the user's settings! Don't load these by
// default, but allow child themes to override that.
if ( apply_filters( 'flatblocks_additional_core_styles', $addl_core_styles ?? false ) ) {
add_theme_support( 'wp-block-styles' );
}
// This sets the standard post thumbnail image size for the blog
// It is cropped with 16:9 aspect ratio so that widths and heights are the same
set_post_thumbnail_size( 1100, 619, array( 'left', 'top' ) );
// Also add this as a selectable size in the Block Editor
add_image_size( 'cropped-large', 1100, 619, array( 'left', 'top' ) );
// And add a smaller size for recent posts in columns
add_image_size( 'cropped-thumbnail', 760, 428, array( 'left', 'top' ) );
// Enqueue only the editor styles for now. Additional ones will be loaded
// later.
add_editor_style(
array(
'/assets/css/editor-styles.css'
)
);
// Register four nav menus if Gutenberg is activated (otherwise the
// __experimentalMenuLocation attribute isn't available)
if ( defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN ) {
register_nav_menus( array(
'header' => __( 'Header Menu', 'flat-blocks' ),
'footer' => __( 'Footer Menu', 'flat-blocks' ),
'footer-1' => __( 'Footer Menu Alt 1', 'flat-blocks' ),
'footer-2' => __( 'Footer Menu Alt 2', 'flat-blocks' ),
'footer-3' => __( 'Footer Menu Alt 3', 'flat-blocks' )
) );
}
// Allow excerpts on pages so users can control what shows in searches, etc.
if ( apply_filters( 'flatblocks_allow_page_excerpts', $allow_page_excerpts ?? true ) ) {
add_post_type_support( 'page', 'excerpt' );
}
}
endif;
/*
* Tell WordPress to load only the block styles for blocks in use on a particular page
*/
add_filter( 'should_load_separate_core_block_assets', '__return_false' );
//add_filter( 'should_load_separate_core_block_assets', '__return_true' );
/*
* Tell the theme to load only the block styles for blocks in use
*/
add_filter( 'flatblocks_should_load_separate_block_assets', '__return_false' );
//add_filter( 'flatblocks_should_load_separate_block_assets', '__return_true' );
/**
* Enqueue FRONT-END ONLY and/or BACK-END styles and scripts depending on
* flatblocks_should_load_separate_block_assets.
*/
if ( apply_filters( 'flatblocks_should_load_separate_block_assets', $separate_theme_block_assets ?? false ) ) {
add_action( 'enqueue_block_assets', 'flatblocks_front_end_styles' );
} else {
add_action( 'wp_enqueue_scripts', 'flatblocks_front_end_styles' );
}
if ( ! function_exists( 'flatblocks_front_end_styles' ) ) :
function flatblocks_front_end_styles() {
// Get version for caching
$theme_version = wp_get_theme()->get( 'Version' );
$version_string = is_string( $theme_version ) ? $theme_version : false;
// Always load base theme style
if ( file_exists( get_template_directory() . '/assets/css/flat-blocks.css' ) ) {
wp_enqueue_style(
'flatblocks-base',
get_template_directory_uri() . '/assets/css/flat-blocks.css',
array(),
$version_string
);
}
// If not loading separate block styles, then load combined block styles
if ( ! apply_filters( 'flatblocks_should_load_separate_block_assets', $separate_theme_block_assets ?? false )
and file_exists( get_template_directory() . '/assets/css/block-styles.css' ) ) {
wp_enqueue_style(
'flatblocks-block-styles',
get_template_directory_uri() . '/assets/css/block-styles.css',
array('flatblocks-base'),
$version_string
);
}
// Load theme style
// Note: Not needed because there is no CSS in it
/*wp_enqueue_style(
'flatblocks-style',
get_template_directory_uri() . '/style.css',
array('flatblocks-base'),
$version_string
);*/
// As a courtesy, add the child theme Custom Styles CSS if it exists
if ( is_child_theme() && file_exists( get_stylesheet_directory() . '/assets/css/block-styles.css' ) ) {
wp_enqueue_style(
'flatblocks-child-block-styles',
get_stylesheet_directory_uri() . '/assets/css/block-styles.css',
//array('flatblocks-base', 'flatblocks-block-styles'),
array('flatblocks-base'),
$version_string
);
}
// As a courtesy, add the child theme CSS if it exists
if ( is_child_theme() && file_exists( get_stylesheet_directory() . '/style.css' ) ) {
wp_enqueue_style(
'flatblocks-child-style',
get_stylesheet_directory_uri() . '/style.css',
//array('flatblocks-base', 'flatblocks-block-styles'),
array('flatblocks-base'),
$version_string
);
}
// On front-end only, load smooth scrolling javascript
if ( !is_admin()
and file_exists( get_template_directory() . '/assets/js/smoothscroll.js' ) ) {
wp_enqueue_script(
'flatblocks-smoothscroll',
get_template_directory_uri() . '/assets/js/smoothscroll.js',
array('jquery'),
$version_string,
$in_footer = true
);
}
}
endif;
/**
* Enqueue FRONT-END AND BACK-END styles and scripts
*
* NOTE: These styles and scripts will be loaded into the font-end, but also into the
* Block Editor iFrame, which is necessary for certain styles, such as the built-in
* Dashicons.
*/
add_action( 'enqueue_block_assets', 'flatblocks_block_assets' );
if ( ! function_exists( 'flatblocks_block_assets' ) ) :
function flatblocks_block_assets() {
wp_enqueue_style( 'dashicons' );
}
endif;
/**
* Enqueue BACK-END ONLY styles and scripts IF NOT
* flatblocks_should_load_separate_block_assets.
*/
if (! apply_filters( 'flatblocks_should_load_separate_block_assets', $separate_theme_block_assets ?? false ) ) {
add_action( 'admin_init', 'flatblocks_back_end_styles' );
}
if ( ! function_exists( 'flatblocks_back_end_styles' ) ) :
function flatblocks_back_end_styles() {
// Add the theme's base styles and custom block styles
add_editor_style(
array(
'/assets/css/flat-blocks.css',
'/assets/css/block-styles.css'
)
);
// As a courtesy, add the child theme CSS files to the Block Editor too.
if ( is_child_theme() ) {
if ( file_exists( get_stylesheet_directory() . '/assets/css/block-styles.css' ) ) {
add_editor_style(
get_stylesheet_directory_uri() . 'assets/css/block-styles.css'
);
}
if ( file_exists( get_stylesheet_directory() . '/style.css' ) ) {
add_editor_style(
get_stylesheet_directory_uri() . '/style.css'
);
}
}
}
endif;
/**
* Load BLOCK-specific CSS styles on the FRONT-END AND BACK-END if
* flatblocks_should_load_separate_block_assets.
*/
if ( apply_filters( 'flatblocks_should_load_separate_block_assets', $separate_theme_block_assets ?? false ) ) {
/////add_action( 'wp_enqueue_scripts', 'flatblocks_load_block_styles' );
add_action( 'init', 'flatblocks_load_block_styles' );
}
if ( ! function_exists( 'flatblocks_load_block_styles' ) ) :
function flatblocks_load_block_styles() {
// Get the theme version
$theme_version = wp_get_theme()->get( 'Version' );
$version_string = is_string( $theme_version ) ? $theme_version : false;
// Load the styles for the individual blocks
$block_path = '/assets/css/blocks/';
$block_styles = glob( get_theme_file_path($block_path) . '*.css' );
foreach ( $block_styles as $block_name ) {
// Remove the path and .css extension from the name
$block_name = str_replace( array(get_theme_file_path($block_path), '.css'), '', $block_name );
// Load the block style
// Note: WordPress will decide whether to enqueue or inline the style
wp_enqueue_block_style( "core/$block_name", array(
'handle' => "flatblocks-block-$block_name",
'src' => get_theme_file_uri( $block_path . "$block_name.css" ),
'path' => get_theme_file_path( $block_path . "$block_name.css" ),
'deps' => array( 'flatblocks-base' ),
'ver' => $version_string
) );
} // foreach
}
endif;
/**
* Load custom block styles and block patterns (and PRO features if purchased)
*
*/
// Add custom block styles
if ( file_exists( get_template_directory() . '/inc/block-styles.php' ) ) {
require_once get_template_directory() . '/inc/block-styles.php';
}
// As a courtesy, add the child theme block styles if they exist.
if ( file_exists( get_stylesheet_directory() . '/inc/block-styles.php' ) ) {
require_once get_stylesheet_directory() . '/inc/block-styles.php';
}
// Add block patterns
if ( file_exists( get_template_directory() . '/inc/block-patterns.php' ) ) {
require_once get_template_directory() . '/inc/block-patterns.php';
}
// As a courtesy, add the child theme patterns if they exist. Note that child
// themes can alternately add .php files in the /patterns directory and they will
// automatically be loaded by WordPress.
if ( file_exists( get_stylesheet_directory() . '/inc/block-patterns.php' ) ) {
require_once get_stylesheet_directory() . '/inc/block-patterns.php';
}
// Add WordPress version compatibility (for version < 6.6)
if ( file_exists( get_template_directory() . '/inc/wp-compatibility.php' ) ) {
require_once get_template_directory() . '/inc/wp-compatibility.php';
}
// Include Pro version features
if ( file_exists( get_template_directory() . '/pro/flat-blocks-pro.php' ) ) {
require_once get_template_directory() . '/pro/flat-blocks-pro.php';
}
/**
* Additional Filters
*/
/**
* #page anchor for scroll-to-top
*
* Add an anchor of #page for our scroll-to-top navigation item. This is needed
* because there is currently no way to add an id to the wp-site-blocks wrapper and
* we need this to be the very first thing on the page.
*/
add_action( 'wp_body_open', 'flatblocks_body_open' );
if ( ! function_exists( 'flatblocks_body_open' ) ) :
function flatblocks_body_open() {
echo '<a id="page"></a><a id="wrapper"></a>';
}
endif;
/**
* Define our custom template part AREAS
*/
add_filter( 'default_wp_template_part_areas', 'flatblocks_template_part_areas' );
if ( ! function_exists( 'flatblocks_template_part_areas' ) ) :
function flatblocks_template_part_areas( array $areas ) {
$new_areas = array(
array(
'area' => 'title',
'area_tag' => 'section',
'label' => __( 'Title', 'flat-blocks' ),
'description' => __( 'Page and post titles plus home page content top', 'flat-blocks' ),
'icon' => ''
),
array(
'area' => 'query',
'area_tag' => 'section',
'label' => __( 'Query', 'flat-blocks' ),
'description' => __( 'Site query template', 'flat-blocks' ),
'icon' => ''
),
array(
'area' => 'content',
'area_tag' => 'section',
'label' => __( 'Content', 'flat-blocks' ),
'description' => __( 'Content section such as cover and post meta', 'flat-blocks' ),
'icon' => ''
),
array(
'area' => 'menu',
'area_tag' => 'section',
'label' => __( 'Menu', 'flat-blocks' ),
'description' => __( 'Navigation Menus', 'flat-blocks' ),
'icon' => ''
)
);
return array_merge( $areas, $new_areas );
}
endif;
/**
* Add our custom image size(s) to the list that user can pick in the editor.
* Consider: Add Medium Large since it is standard WordPress and seems to be missing.
*/
add_filter( 'image_size_names_choose', 'flatblocks_image_sizes' );
if ( ! function_exists( 'flatblocks_image_sizes' ) ) :
function flatblocks_image_sizes( $sizes ) {
return array_merge( $sizes, array(
//'medium-large' => __( 'Medium Large', 'flat-blocks' ),
'cropped-thumbnail' => __( 'Post Thumbnail Medium (cropped)', 'flat-blocks' ),
'cropped-large' => __( 'Post Thumbnail Large (cropped)', 'flat-blocks' )
) );
}
endif;
/**
* Always replace [...] with ... from the excerpt
*/
add_filter( 'excerpt_more', 'flatblocks_excerpt_more' );
if ( ! function_exists( 'flatblocks_excerpt_more' ) ) :
function flatblocks_excerpt_more( $more ) {
return '…';
//return str_ireplace( '[…]', '…', $more);
}
endif;
/**
* Excerpt in Page or Post Title
*
* On pages or single posts only, set excerpt length to 25 words. This is for when it is
* used in the Page Title and/or Post Title Template Parts.
*
*/
add_filter('excerpt_length', 'flatblocks_excerpt_length');
if ( ! function_exists( 'flatblocks_excerpt_length' ) ) :
function flatblocks_excerpt_length ( $words ) {
return is_singular() ? apply_filters( 'flatblocks_short_excerpt_link', $short_words = 25 ) : $words;
}
endif;