157 lines
4.0 KiB
PHP
157 lines
4.0 KiB
PHP
<?php
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/**
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* Functions to register client-side assets (scripts and stylesheets) for the
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* Gutenberg block.
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*
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* @author StoreApps
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* @since 4.0.0
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* @version 1.0
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*
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* @package woocommerce-smart-coupons/includes/blocks
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*/
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// Exit if accessed directly.
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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if ( ! class_exists( 'WC_SC_Gutenberg_Coupon_Block' ) ) {
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/**
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* Class for handling Smart Coupons Shortcode
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*/
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class WC_SC_Gutenberg_Coupon_Block {
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/**
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* Variable to hold instance of WC_SC_Gutenberg_Coupon_Block
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*
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* @var $instance
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*/
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private static $instance = null;
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/**
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* Constructor
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*/
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private function __construct() {
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global $wp_version;
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if ( ! function_exists( 'is_plugin_active' ) ) {
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require_once ABSPATH . 'wp-admin/includes/plugin.php';
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}
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if ( is_plugin_active( 'gutenberg/gutenberg.php' ) || version_compare( $wp_version, '5.0', '>=' ) ) {
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add_action( 'init', array( $this, 'gutenberg_coupon_block_init' ) );
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add_action( 'admin_enqueue_scripts', array( $this, 'gutenberg_coupon_add_inline_css' ) );
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}
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}
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/**
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* Get single instance of WC_SC_Gutenberg_Coupon_Block
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*
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* @return WC_SC_Gutenberg_Coupon_Block Singleton object of WC_SC_Gutenberg_Coupon_Block
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*/
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public static function get_instance() {
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// Check if instance is already exists.
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if ( is_null( self::$instance ) ) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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/**
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* Handle call to functions which is not available in this class
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*
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* @param string $function_name The function name.
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* @param array $arguments Array of arguments passed while calling $function_name.
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* @return result of function call
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*/
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public function __call( $function_name, $arguments = array() ) {
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global $woocommerce_smart_coupon;
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if ( ! is_callable( array( $woocommerce_smart_coupon, $function_name ) ) ) {
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return;
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}
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if ( ! empty( $arguments ) ) {
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return call_user_func_array( array( $woocommerce_smart_coupon, $function_name ), $arguments );
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} else {
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return call_user_func( array( $woocommerce_smart_coupon, $function_name ) );
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}
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}
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/**
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* Registers all block assets so that they can be enqueued through Gutenberg in
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* the corresponding context.
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*
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* @see https://wordpress.org/gutenberg/handbook/blocks/writing-your-first-block-type/#enqueuing-block-scripts
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*/
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public function gutenberg_coupon_block_init() {
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// Skip block registration if Gutenberg is not enabled/merged.
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if ( ! function_exists( 'register_block_type' ) ) {
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return;
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}
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$dir = dirname( __FILE__ );
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$index_js = 'sc-gutenberg-block.js';
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wp_register_script(
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'coupon-block-editor-js',
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plugins_url( $index_js, __FILE__ ),
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array(
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'wp-blocks',
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'wp-i18n',
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'wp-element',
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'wp-components',
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),
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filemtime( "$dir/$index_js" ),
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true
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);
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if ( shortcode_exists( 'smart_coupons' ) ) {
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register_block_type(
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'woocommerce-smart-coupons/coupon',
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array(
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'editor_script' => 'coupon-block-editor-js',
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'attributes' => array(
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'coupon_code' => array( 'type' => 'string' ),
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),
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'render_callback' => array( WC_SC_Shortcode::get_instance(), 'execute_smart_coupons_shortcode' ),
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)
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);
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}
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}
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/**
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* Our componenet is referring to smart-coupon.css as main css file.
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* We cannot add register/enqueue a new CSS file to render coupon design in Gutenberg.
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* And hence we are adding necessary files via wp_add_inline_style.
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*/
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public function gutenberg_coupon_add_inline_css() {
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if ( ! wp_style_is( 'smart-coupon' ) ) {
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wp_enqueue_style( 'smart-coupon' );
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}
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$coupon_style_attributes = WC_Smart_Coupons::get_instance()->get_coupon_style_attributes();
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$gutenberg_active_coupon_style = '
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.gb-active-coupon {
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' . $coupon_style_attributes . '
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}
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';
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// Add the above custom CSS via wp_add_inline_style.
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wp_add_inline_style( 'smart-coupon', $gutenberg_active_coupon_style );
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}
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}
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}
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WC_SC_Gutenberg_Coupon_Block::get_instance();
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