'text/css' ) ); wp_add_inline_script( 'wp-codemirror', 'window.CodeMirror = wp.CodeMirror;' ); wp_set_script_translations( 'redux-gutenberg-css', 'redux-framework' ); } /** * Parse Blocks for Gutenberg and WordPress 5.0 * * @param string $content Content to parse. * * @since 1.0.0 * @access public * @return string */ public function parse_blocks( $content ) { if ( ! function_exists( 'parse_blocks' ) ) { return gutenberg_parse_blocks( $content ); } else { return parse_blocks( $content ); } } /** * Render server-side CSS * * @since 1.0.0 * @access public */ public function render_server_side_css() { if ( function_exists( 'has_blocks' ) && has_blocks( get_the_ID() ) ) { global $post; if ( ! is_object( $post ) ) { return; } $blocks = $this->parse_blocks( $post->post_content ); if ( ! is_array( $blocks ) || empty( $blocks ) ) { return; } $style = "\n" . '' . "\n"; echo $style; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped } } /** * Cycle thorugh Blocks * * @param array $inner_blocks Array of blocks. * @since 1.0.0 * @access public * @return string */ public function cycle_through_blocks( $inner_blocks ) { $style = ''; foreach ( $inner_blocks as $block ) { if ( isset( $block['attrs'] ) ) { if ( isset( $block['attrs']['hasCustomCSS'] ) && isset( $block['attrs']['customCSS'] ) ) { $style .= $block['attrs']['customCSS']; } } if ( 'core/block' === $block['blockName'] && ! empty( $block['attrs']['ref'] ) ) { $reusable_block = get_post( $block['attrs']['ref'] ); if ( ! $reusable_block || 'wp_block' !== $reusable_block->post_type ) { return; } if ( 'publish' !== $reusable_block->post_status || ! empty( $reusable_block->post_password ) ) { return; } $blocks = $this->parse_blocks( $reusable_block->post_content ); $style .= $this->cycle_through_blocks( $blocks ); } if ( isset( $block['innerBlocks'] ) && ! empty( $block['innerBlocks'] ) && is_array( $block['innerBlocks'] ) ) { $style .= $this->cycle_through_blocks( $block['innerBlocks'] ); } } return $style; } /** * Adds the `hasCustomCSS` and `customCSS` attributes to all blocks, to avoid `Invalid parameter(s): attributes` * error in Gutenberg. * * @since 1.0.3 * @access public */ public function add_attributes_to_blocks() { $registered_blocks = \WP_Block_Type_Registry::get_instance()->get_all_registered(); foreach ( $registered_blocks as $name => $block ) { $block->attributes['hasCustomCSS'] = array( 'type' => 'boolean', 'default' => false, ); $block->attributes['customCSS'] = array( 'type' => 'string', 'default' => '', ); } } /** * Method to return path to child class in a Reflective Way. * * @since 1.0.0 * @access protected * @return string */ protected function get_dir() { return dirname( __FILE__ ); } /** * The instance method for the static class. * Defines and returns the instance of the static class. * * @static * @since 1.0.0 * @access public * @return GutenbergCSS */ public static function instance() { if ( is_null( self::$instance ) ) { self::$instance = new self(); self::$instance->init(); } return self::$instance; } /** * Throw error on object clone * * The whole idea of the singleton design pattern is that there is a single * object therefore, we don't want the object to be cloned. * * @access public * @since 1.0.0 * @return void */ public function __clone() { // Cloning instances of the class is forbidden. _doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'redux-framework' ), '1.0.0' ); } /** * Disable unserializing of the class * * @access public * @since 1.0.0 * @return void */ public function __wakeup() { // Unserializing instances of the class is forbidden. _doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'redux-framework' ), '1.0.0' ); } } }