first commit

wp-content/plugins/widget-shortcode/includes/class-widget-shortcode-gutenberg.php

@@ -0,0 +1,77 @@
+<?php
+/**
+ * Gutenberg compatibility for Widget Shortcode plugin
+ *
+ * @package Widget Shortcode
+ * @since 0.3.4
+ */
+class Widget_Shortcode_Gutenberg {
+
+	private static $instance = null;
+
+	/**
+	 * Creates or returns an instance of this class.
+	 *
+	 * @return	A single instance of this class.
+	 */
+	public static function get_instance() {
+		return null == self::$instance ? self::$instance = new self : self::$instance;
+	}
+
+	private function __construct() {
+		if ( ! function_exists( 'register_block_type' ) ) {
+			// Gutenberg is not active.
+			return;
+		}
+
+		add_action( 'init', array( $this, 'register_block' ) );
+	}
+
+	function register_block() {
+		wp_register_script(
+			'widget-shortcode-gutenberg',
+			WIDGET_SHORTCODE_URL . 'assets/block.js',
+			array( 'wp-blocks', 'wp-i18n', 'wp-element', 'wp-components' ),
+			filemtime( WIDGET_SHORTCODE_DIR . 'assets/block.js' ),
+			true
+		);
+
+		$widgets = Widget_Shortcode::get_instance()->get_widgets_list();
+		array_unshift( $widgets, array( 'value' => '', 'label' => '' ) );
+		wp_localize_script( 'widget-shortcode-gutenberg', 'widgetShortcodeGutenberg', array(
+			'widgets' => $widgets,
+		) );
+
+		register_block_type( 'widget-shortcode/block', array(
+			'editor_script' => 'widget-shortcode-gutenberg',
+			'render_callback' => array( $this, 'render_callback' ),
+			'attributes' => array(
+				'id' => array(
+					'default' => '',
+					'type' => 'string',
+				),
+				'className' => array(
+					'default' => '',
+					'type' => 'string',
+				),
+			),
+		) );
+	}
+
+	/**
+	 * Render the widget preview in Gutenberg window
+	 *
+	 * @return string
+	 */
+	function render_callback( $atts, $content ) {
+		if ( ! isset( $atts['id'] ) || empty( $atts['id'] ) ) {
+			return '<p>' . __( 'Select the widget you want to show.', 'widget-shortcode' ) . '</p>';
+		}
+
+		return Widget_Shortcode::get_instance()->do_widget( array(
+			'echo' => false,
+			'id' => $atts['id'],
+			'css_class' => $atts['className'],
+		) );
+	}
+}