balmet.com

preview.php (7787B)

---

 <?php
 namespace Elementor;
 
 use Elementor\Core\Base\App;
 
 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly.
 }
 
 /**
  * Elementor preview.
  *
  * Elementor preview handler class is responsible for initializing Elementor in
  * preview mode.
  *
  * @since 1.0.0
  */
 class Preview extends App {
 
 	/**
 	 * Is Preview.
 	 *
 	 * Holds a flag if current request is a preview.
 	 * The flag is not related to a specific post or edit permissions.
 	 *
 	 * @since 2.9.5
 	 * @access private
 	 *
 	 * @var bool Is Preview.
 	 */
 
 	private $is_preview;
 
 	/**
 	 * Post ID.
 	 *
 	 * Holds the ID of the current post being previewed.
 	 *
 	 * @since 1.0.0
 	 * @access private
 	 *
 	 * @var int Post ID.
 	 */
 	private $post_id;
 
 	/**
 	 * Get module name.
 	 *
 	 * Retrieve the module name.
 	 *
 	 * @since 3.0.0
 	 * @access public
 	 * @abstract
 	 *
 	 * @return string Module name.
 	 */
 	public function get_name() {
 		return 'preview';
 	}
 
 	/**
 	 * Init.
 	 *
 	 * Initialize Elementor preview mode.
 	 *
 	 * Fired by `template_redirect` action.
 	 *
 	 * @since 1.0.0
 	 * @access public
 	 */
 	public function init() {
 		if ( is_admin() || ! $this->is_preview_mode() ) {
 			return;
 		}
 
 		if ( isset( $_GET['preview-debug'] ) ) {
 			register_shutdown_function( function () {
 				$e = error_get_last();
 				if ( $e ) {
 					echo '<div id="elementor-preview-debug-error"><pre>';
 					Utils::print_unescaped_internal_string( $e['message'] );
 					echo '</pre></div>';
 				}
 			} );
 		}
 
 		$this->post_id = get_the_ID();
 		$this->is_preview = true;
 
 		// Don't redirect to permalink.
 		remove_action( 'template_redirect', 'redirect_canonical' );
 
 		// Compatibility with Yoast SEO plugin when 'Removes unneeded query variables from the URL' enabled.
 		// TODO: Move this code to `includes/compatibility.php`.
 		if ( class_exists( 'WPSEO_Frontend' ) ) {
 			remove_action( 'template_redirect', [ \WPSEO_Frontend::get_instance(), 'clean_permalink' ], 1 );
 		}
 
 		// Disable the WP admin bar in preview mode.
 		add_filter( 'show_admin_bar', '__return_false' );
 
 		add_action( 'wp_enqueue_scripts', function() {
 			$this->enqueue_styles();
 			$this->enqueue_scripts();
 		} );
 
 		add_filter( 'the_content', [ $this, 'builder_wrapper' ], 999999 );
 
 		add_action( 'wp_footer', [ $this, 'wp_footer' ] );
 
 		// Avoid Cloudflare's Rocket Loader lazy load the editor iframe
 		add_filter( 'script_loader_tag', [ $this, 'rocket_loader_filter' ], 10, 3 );
 
 		// Tell to WP Cache plugins do not cache this request.
 		Utils::do_not_cache();
 
 		/**
 		 * Preview init.
 		 *
 		 * Fires on Elementor preview init, after Elementor preview has finished
 		 * loading but before any headers are sent.
 		 *
 		 * @since 1.0.0
 		 *
 		 * @param Preview $this The current preview.
 		 */
 		do_action( 'elementor/preview/init', $this );
 	}
 
 	/**
 	 * Retrieve post ID.
 	 *
 	 * Get the ID of the current post.
 	 *
 	 * @since 1.8.0
 	 * @access public
 	 *
 	 * @return int Post ID.
 	 */
 	public function get_post_id() {
 		return $this->post_id;
 	}
 
 	/**
 	 * Is Preview.
 	 *
 	 * Whether current request is the elementor preview iframe.
 	 * The flag is not related to a specific post or edit permissions.
 	 *
 	 * @since 2.9.5
 	 * @access public
 	 *
 	 * @return bool
 	 */
 	public function is_preview() {
 		return $this->is_preview;
 	}
 
 	/**
 	 * Whether preview mode is active.
 	 *
 	 * Used to determine whether we are in the preview mode (iframe).
 	 *
 	 * @since 1.0.0
 	 * @access public
 	 *
 	 * @param int $post_id Optional. Post ID. Default is `0`.
 	 *
 	 * @return bool Whether preview mode is active.
 	 */
 	public function is_preview_mode( $post_id = 0 ) {
 		if ( ! isset( $_GET['elementor-preview'] ) ) {
 			return false;
 		}
 
 		if ( empty( $post_id ) ) {
 			$post_id = get_the_ID();
 		}
 
 		if ( ! User::is_current_user_can_edit( $post_id ) ) {
 			return false;
 		}
 
 		if ( $post_id !== (int) $_GET['elementor-preview'] ) {
 			return false;
 		}
 
 		return true;
 	}
 
 	/**
 	 * Builder wrapper.
 	 *
 	 * Used to add an empty HTML wrapper for the builder, the javascript will add
 	 * the content later.
 	 *
 	 * @since 1.0.0
 	 * @access public
 	 *
 	 * @param string $content The content of the builder.
 	 *
 	 * @return string HTML wrapper for the builder.
 	 */
 	public function builder_wrapper( $content ) {
 		if ( get_the_ID() === $this->post_id ) {
 			$document = Plugin::$instance->documents->get( $this->post_id );
 
 			$attributes = $document->get_container_attributes();
 
 			$content = '<div ' . Utils::render_html_attributes( $attributes ) . '></div>';
 		}
 
 		return $content;
 	}
 
 	/**
 	 * Enqueue preview styles.
 	 *
 	 * Registers all the preview styles and enqueues them.
 	 *
 	 * Fired by `wp_enqueue_scripts` action.
 	 *
 	 * @since 1.0.0
 	 * @access private
 	 */
 	private function enqueue_styles() {
 		// Hold-on all jQuery plugins after all HTML markup render.
 		wp_add_inline_script( 'jquery-migrate', 'jQuery.holdReady( true );' );
 
 		Plugin::$instance->frontend->enqueue_styles();
 
 		Plugin::$instance->widgets_manager->enqueue_widgets_styles();
 
 		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
 
 		$direction_suffix = is_rtl() ? '-rtl' : '';
 
 		wp_register_style(
 			'elementor-select2',
 			ELEMENTOR_ASSETS_URL . 'lib/e-select2/css/e-select2' . $suffix . '.css',
 			[],
 			'4.0.6-rc.1'
 		);
 
 		wp_register_style(
 			'editor-preview',
 			ELEMENTOR_ASSETS_URL . 'css/editor-preview' . $direction_suffix . $suffix . '.css',
 			[
 				'elementor-select2',
 			],
 			ELEMENTOR_VERSION
 		);
 
 		wp_enqueue_style( 'editor-preview' );
 
 		if ( ! Plugin::$instance->experiments->is_feature_active( 'e_dom_optimization' ) ) {
 			wp_register_style(
 				'editor-preview-legacy',
 				ELEMENTOR_ASSETS_URL . 'css/editor-preview-legacy' . $direction_suffix . $suffix . '.css',
 				[],
 				ELEMENTOR_VERSION
 			);
 
 			wp_enqueue_style( 'editor-preview-legacy' );
 		}
 
 		// Handle the 'wp audio' in editor preview.
 		wp_enqueue_style( 'wp-mediaelement' );
 
 		/**
 		 * Preview enqueue styles.
 		 *
 		 * Fires after Elementor preview styles are enqueued.
 		 *
 		 * @since 1.0.0
 		 */
 		do_action( 'elementor/preview/enqueue_styles' );
 	}
 
 	/**
 	 * Enqueue preview scripts.
 	 *
 	 * Registers all the preview scripts and enqueues them.
 	 *
 	 * Fired by `wp_enqueue_scripts` action.
 	 *
 	 * @since 1.5.4
 	 * @access private
 	 */
 	private function enqueue_scripts() {
 		Plugin::$instance->frontend->register_scripts();
 
 		Plugin::$instance->widgets_manager->enqueue_widgets_scripts();
 
 		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
 
 		wp_enqueue_script(
 			'elementor-inline-editor',
 			ELEMENTOR_ASSETS_URL . 'lib/inline-editor/js/inline-editor' . $suffix . '.js',
 			[],
 			ELEMENTOR_VERSION,
 			true
 		);
 
 		// Handle the 'wp audio' in editor preview.
 		wp_enqueue_script( 'wp-mediaelement' );
 
 		/**
 		 * Preview enqueue scripts.
 		 *
 		 * Fires after Elementor preview scripts are enqueued.
 		 *
 		 * @since 1.5.4
 		 */
 		do_action( 'elementor/preview/enqueue_scripts' );
 	}
 
 	public function rocket_loader_filter( $tag, $handle, $src ) {
 		return str_replace( '<script', '<script data-cfasync="false"', $tag );
 	}
 
 	/**
 	 * Elementor Preview footer scripts and styles.
 	 *
 	 * Handle styles and scripts from frontend.
 	 *
 	 * Fired by `wp_footer` action.
 	 *
 	 * @since 2.0.9
 	 * @access public
 	 */
 	public function wp_footer() {
 		$frontend = Plugin::$instance->frontend;
 		if ( $frontend->has_elementor_in_page() ) {
 			// Has header/footer/widget-template - enqueue all style/scripts/fonts.
 			$frontend->wp_footer();
 		} else {
 			// Enqueue only scripts.
 			$frontend->enqueue_scripts();
 		}
 	}
 
 	/**
 	 * Preview constructor.
 	 *
 	 * Initializing Elementor preview.
 	 *
 	 * @since 1.0.0
 	 * @access public
 	 */
 	public function __construct() {
 		add_action( 'template_redirect', [ $this, 'init' ], 0 );
 	}
 }