init

wp-content/themes/flatsome/inc/admin/gutenberg/class-gutenberg.php

@@ -0,0 +1,165 @@
+<?php
+/**
+ * Block editor (Gutenberg)
+ *
+ * @author     UX Themes
+ * @category   Gutenberg
+ * @package    Flatsome\Admin
+ * @since      3.7.0
+ */
+
+namespace Flatsome\Admin;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Class Gutenberg
+ *
+ * @package Flatsome\Admin
+ */
+class Gutenberg {
+
+	/**
+	 * Current version
+	 *
+	 * @var string
+	 */
+	private $version;
+
+	/**
+	 * Holds assets directory.
+	 *
+	 * @var string
+	 */
+	private $assets;
+
+	/**
+	 * Gutenberg constructor.
+	 */
+	public function __construct() {
+		$theme = wp_get_theme( get_template() );
+
+		$this->version = $theme->get( 'Version' );
+		$this->assets  = get_template_directory_uri() . '/inc/admin/gutenberg/assets';
+
+		$this->init();
+	}
+
+	/**
+	 * Initialise
+	 */
+	private function init() {
+		if ( $this->is_block_editor_available() ) {
+			add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_styles' ] );
+			add_action( 'enqueue_block_editor_assets', [ $this, 'add_edit_button' ], 11 );
+			add_action( 'enqueue_block_editor_assets', [ $this, 'add_block_settings' ] );
+		}
+	}
+
+	/**
+	 * Check if block editor is available.
+	 *
+	 * @return bool
+	 */
+	private function is_block_editor_available() {
+		return function_exists( 'register_block_type' );
+	}
+
+	/**
+	 * Whether a post type should display the Gutenberg/block editor.
+	 *
+	 * @param string $post_type The name of the post type.
+	 *
+	 * @return bool
+	 */
+	private function is_post_type_gutenberg( $post_type ) {
+		if ( function_exists( 'use_block_editor_for_post_type' ) ) {
+			// WP 5.0 or greater.
+			return use_block_editor_for_post_type( $post_type );
+		} elseif ( function_exists( 'gutenberg_can_edit_post_type' ) ) {
+			// Lower then WP 5.0 and Gutenberg plugin is installed.
+			return gutenberg_can_edit_post_type( $post_type );
+		}
+		return false;
+	}
+
+	/**
+	 * Register and enqueue main styles.
+	 */
+	public function enqueue_styles() {
+		wp_register_style( 'flatsome-gutenberg', $this->assets . '/css/style.css', [], $this->version );
+		wp_enqueue_style( 'flatsome-gutenberg' );
+	}
+
+	/**
+	 * Add 'Edit with UX Builder' inside gutenberg editor header.
+	 */
+	public function add_edit_button() {
+		global $typenow;
+		if ( ! $this->is_post_type_gutenberg( $typenow ) ) {
+			return;
+		}
+		wp_enqueue_script( 'flatsome-gutenberg-edit-button', $this->assets . '/js/edit-button.js', array( 'wp-edit-post' ), $this->version, true );
+
+		$page_id = get_the_ID();
+
+		$params = [
+			'edit_button' => [
+				'enabled' => $this->is_edit_button_visible( $page_id ),
+				'text'    => __( 'Edit with UX Builder', 'flatsome' ),
+				'url'     => ux_builder_edit_url( $page_id ),
+			],
+		];
+
+		wp_localize_script( 'flatsome-gutenberg-edit-button', 'flatsome_gutenberg', $params );
+	}
+
+	/**
+	 * Generates the `window.flatsomeBlockSettings` object.
+	 */
+	public function add_block_settings() {
+		$blocks_js      = $this->assets . '/js/blocks.js';
+		$blocks_deps    = array(
+			'wp-data',
+			'wp-blocks',
+			'wp-element',
+			'wp-edit-post',
+			'wp-components',
+			'wp-block-editor',
+		);
+		$block_settings = array_filter(
+			get_block_editor_server_block_settings(),
+			function( $block, $name ) {
+				return strpos( $name, 'flatsome/' ) === 0;
+			},
+			ARRAY_FILTER_USE_BOTH
+		);
+
+		wp_enqueue_script( 'flatsome-blocks', $blocks_js, $blocks_deps, $this->version, true );
+		wp_localize_script( 'flatsome-blocks', 'flatsomeBlockSettings', $block_settings );
+	}
+
+	/**
+	 * Determines when the edit button should be visible or not.
+	 *
+	 * @param int $page_id The ID of the current post.
+	 *
+	 * @return bool
+	 */
+	private function is_edit_button_visible( $page_id ) {
+		// Do not show UX Builder link on Shop page.
+		if ( function_exists( 'is_woocommerce' ) && $page_id == wc_get_page_id( 'shop' ) ) {
+			return false;
+		}
+
+		// Do not show UX Builder link on Posts Page.
+		$page_for_posts = get_option( 'page_for_posts' );
+		if ( $page_id == $page_for_posts ) {
+			return false;
+		}
+
+		return true;
+	}
+}
+
+new Gutenberg();