%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
namespace Elementor;
use Elementor\Core\Base\App;
use Elementor\Core\Settings\Manager as SettingsManager;
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(
'e-theme-ui-light',
$this->get_css_assets_url( 'theme-light' ),
[],
ELEMENTOR_VERSION
);
wp_enqueue_style( 'editor-preview' );
if ( ! Plugin::$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 );
}
}
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