add gutenberg support

core/class-kirki-modules.php

@@ -69,6 +69,7 @@ private function default_modules() {
 				'webfonts'           => 'Kirki_Modules_Webfonts',
 				'webfont-loader'     => 'Kirki_Modules_Webfont_Loader',
 				'preset'             => 'Kirki_Modules_Preset',
+				'gutenberg'          => 'Kirki_Modules_Gutenberg',
 			)
 		);
 	}

modules/css/class-kirki-modules-css.php

@@ -315,4 +315,16 @@ public static function loop_controls( $config_id ) {
 	public static function add_fontawesome_script() {
 		self::$enqueue_fa = true;
 	}
+
+	/**
+	 * Check if FontAwesome should be loaded.
+	 *
+	 * @static
+	 * @since 3.0.35
+	 * @access public
+	 * @return void
+	 */
+	public static function get_enqueue_fa() {
+		return self::$enqueue_fa;
+	}
 }

modules/gutenberg/class-kirki-modules-gutenberg.php

@@ -0,0 +1,351 @@
+<?php
+/**
+ * Gutenberg integration for Kirki.
+ *
+ * This class contains methods for integrating Kirki with
+ * the new WordPress core editor, Gutenberg.  It provides
+ * fonts and styles to be output by the theme.
+ *
+ * @package     Kirki
+ * @category    Core
+ * @author      Tim Elsass
+ * @copyright   Copyright (c) 2017, Aristeides Stathopoulos
+ * @license     https://opensource.org/licenses/MIT
+ * @since       3.0.35
+ */
+
+/**
+ * Wrapper class for static methods.
+ *
+ * @since 3.0.35
+ */
+class Kirki_Modules_Gutenberg {
+
+	/**
+	 * The object instance.
+	 *
+	 * @static
+	 * @access private
+	 * @since 3.0.35
+	 * @var object
+	 */
+	private static $instance;
+
+	/**
+	 * Configuration reference.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 * @var object $configs
+	 */
+	private $configs;
+
+	/**
+	 * Whether feature is enabled.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 * @var bool $enabled
+	 */
+	public $enabled;
+
+	/**
+	 * CSS Module reference.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 * @var object $modules_css
+	 */
+	private $modules_css;
+
+	/**
+	 * Webfonts Module reference.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 * @var object $modules_webfonts
+	 */
+	private $modules_webfonts;
+
+	/**
+	 * Google Fonts reference.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 * @var object $google_fonts
+	 */
+	private $google_fonts;
+
+	/**
+	 * Webfonts Loader Module reference.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 * @var object $modules_webfonts
+	 */
+	private $modules_webfont_loader;
+
+	/**
+	 * Constructor.
+	 *
+	 * @access protected
+	 * @since 3.0.0
+	 */
+	protected function __construct() {
+		add_action( 'admin_init', array( $this, 'init' ) );
+	}
+
+	/**
+	 * Initialize Module.
+	 *
+	 * Sets class properties and add necessary hooks.
+	 *
+	 * @since 3.0.35
+	 */
+	public function init() {
+		$this->set_configs();
+		$this->set_enabled();
+		$this->set_modules_css();
+		$this->set_google_fonts();
+		$this->set_modules_webfonts();
+		$this->set_modules_webfont_loader();
+		$this->add_hooks();
+	}
+
+	/**
+	 * Gets an instance of this object.
+	 * Prevents duplicate instances which avoid artefacts and improves performance.
+	 *
+	 * @static
+	 * @access public
+	 * @since 3.0.0
+	 * @return object
+	 */
+	public static function get_instance() {
+		if ( ! self::$instance ) {
+			self::$instance = new self();
+		}
+		return self::$instance;
+	}
+
+	/**
+	 * Add hooks for Gutenberg editor integration.
+	 *
+	 * @access protected
+	 * @since 3.0.35
+	 */
+	protected function add_hooks() {
+		if ( ! $this->is_disabled() ) {
+			add_action( 'after_setup_theme', array( $this, 'add_theme_support' ), 999 );
+			add_action( 'enqueue_block_editor_assets', array( $this, 'load_fonts' ) );
+			add_action( 'enqueue_block_editor_assets', array( $this, 'enqueue_fontawesome' ) );
+			add_filter( 'block_editor_settings', array( $this, 'enqueue' ) );
+		}
+	}
+
+	/**
+	 * Add theme support for editor styles.
+	 *
+	 * This checks if theme has declared editor-styles support
+	 * already, and if not present, declares it. Hooked late.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 */
+	public function add_theme_support() {
+		if ( true !== get_theme_support( 'editor-styles' ) ) {
+			add_theme_support( 'editor-styles' );
+		}
+	}
+
+	/**
+	 * Enqueue styles to Gutenberg Editor.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 */
+	public function enqueue( $settings ) {
+		$styles = $this->get_styles();
+
+		if ( ! empty( $styles ) ) {
+			$settings['styles'][] = array( 'css' => $styles );
+		}
+
+		return $settings;
+	}
+
+	/**
+	 * Gets the styles to add to Gutenberg Editor.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 *
+	 * @return string $styles String containing inline styles to add to Gutenberg.
+	 */
+	public function get_styles() {
+
+		$styles = null;
+
+		foreach ( $this->configs as $config_id => $args ) {
+
+			if ( true === $this->is_disabled( $args ) ) {
+				continue;
+			}
+
+			$styles = $this->modules_css::loop_controls( $config_id );
+			$styles = apply_filters( "kirki_gutenberg_{$config_id}_dynamic_css", $styles );
+
+			if ( empty( $styles ) ) {
+				continue;
+			}
+		}
+
+		return $styles;
+	}
+
+	/**
+	 * Helper method to check if feature is disabled.
+	 *
+	 * Feature can be disabled by KIRKI_NO_OUTPUT constant,
+	 * gutenbeg_support argument, and disabled output argument.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 *
+	 * @return bool $disabled Is gutenberg integration feature disabled?
+	 */
+	private function is_disabled( $args = array() ) {
+		if ( defined( 'KIRKI_NO_OUTPUT' ) && true === KIRKI_NO_OUTPUT ) {
+			return true;
+		}
+
+		if ( ! empty( $args ) ) {
+			if ( isset( $args['disable_output'] ) && true === $args['disable_output'] ) {
+				return true;
+			}
+
+			if ( ! isset( $args['gutenberg_support'] ) || true !== $args['gutenberg_support'] ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Load Fonts in Gutenberg Editor.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 */
+	public function load_fonts() {
+		foreach ( $this->configs as $config_id => $args ) {
+
+			if ( $this->is_disabled( $args ) ) {
+				continue;
+			}
+
+			$this->modules_webfont_loader::$load = true;
+			$this->modules_webfont_loader->enqueue_scripts();
+
+			$async = new Kirki_Modules_Webfonts_Async(
+				$config_id,
+				$this->modules_webfonts::get_instance(),
+				$this->google_fonts::get_instance()
+			);
+
+			$async->webfont_loader();
+			$async->webfont_loader_script();
+
+			$local_fonts = new Kirki_Modules_Webfonts_Local(
+				$this->modules_webfonts::get_instance(),
+				$this->google_fonts::get_instance()
+			);
+
+			$local_fonts->add_styles();
+
+			return;
+		}
+	}
+
+	/**
+	 * Enqueue fontawesome in Gutenberg Editor.
+	 *
+	 * @access public
+	 * @since 3.0.35
+	 */
+	public function enqueue_fontawesome() {
+		foreach ( $this->configs as $config_id => $args ) {
+
+			if ( $this->is_disabled( $args ) ) {
+				continue;
+			}
+
+			if ( $this->modules_css::get_enqueue_fa() && apply_filters( 'kirki_load_fontawesome', true ) ) {
+				wp_enqueue_script( 'kirki-fontawesome-font', 'https://use.fontawesome.com/30858dc40a.js', array(), '4.0.7', true );
+			}
+
+			return;
+		}
+	}
+
+	/**
+	 * Set class property for $configs.
+	 *
+	 * @access private
+	 * @since 3.0.35
+	 */
+	private function set_configs() {
+		return $this->configs = Kirki::$config;
+	}
+
+	/**
+	 * Set class property for $enabled.
+	 *
+	 * @access private
+	 * @since 3.0.35
+	 */
+	private function set_enabled() {
+		$this->enabled = ! $this->is_disabled();
+	}
+
+	/**
+	 * Set class property for $modules_css.
+	 *
+	 * @access private
+	 * @since 3.0.35
+	 */
+	private function set_modules_css() {
+		$this->modules_css = Kirki_Modules_CSS::get_instance();
+	}
+
+	/**
+	 * Set class property for $google_fonts.
+	 *
+	 * @access private
+	 * @since 3.0.35
+	 */
+	private function set_google_fonts() {
+		$this->google_fonts = Kirki_Fonts_Google::get_instance();
+	}
+
+	/**
+	 * Set class property for $modules_webfonts.
+	 *
+	 * @access private
+	 * @since 3.0.35
+	 */
+	private function set_modules_webfonts() {
+		$this->modules_webfonts = Kirki_Modules_Webfonts::get_instance();
+	}
+
+	/**
+	 * Set class property for $modules_webfont_loader.
+	 *
+	 * @access private
+	 * @since 3.0.35
+	 */
+	private function set_modules_webfont_loader() {
+		$this->modules_webfont_loader = Kirki_Modules_Webfont_Loader::get_instance();
+	}
+}