Edit File by line

<?php

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if ( ! defined( 'ABSPATH' ) ) {

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exit; // Exit if accessed directly

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}

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class ET_GB_Block_Layout {

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/**

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* @var ET_GB_Block_Layout

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private static $_instance;

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private $block_name = 'divi/layout';

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function __construct() {

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if ( ! et_core_is_gutenberg_active() ) {

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return;

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}

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$this->register_block();

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$this->register_hooks();

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}

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/**

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* Get class instance

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* @since 4.1.0

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* @return object class instance

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public static function instance() {

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if ( null === self::$_instance ) {

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self::$_instance = new self;

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}

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return self::$_instance;

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}

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/**

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* Register block

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* @since 4.1.0

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public function register_block() {

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register_block_type(

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$this->block_name,

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array(

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'attributes' => array(

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'layoutContent' => array(

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'type' => 'string',

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)

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);

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}

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/**

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* Register hooks

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* @since 4.1.0

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public function register_hooks() {

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// Admin screen

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add_action( 'admin_init', array( $this, 'register_portability_on_builder_page' ) );

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// Block preview inside gutenberg

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add_action( 'template_include', array( $this, 'register_preview_template' ) );

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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_block_preview_styles_scripts' ), 15 );

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add_action( 'wp_footer', array( $this, 'enqueue_block_preview_footer_styles_scripts' ) );

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add_action( 'pre_get_posts', array( $this, 'modify_layout_content_condition' ), 20 );

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add_filter( 'body_class', array( $this, 'add_body_classnames' ) );

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add_filter( 'et_pb_section_data_attributes', array( $this, 'add_section_boxshadow_attributes' ), 10, 3 );

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add_filter( 'the_content', array( $this, 'modify_layout_content_output' ), 1 );

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add_filter( 'get_post_metadata', array( $this, 'modify_layout_content_builder_meta' ), 10, 4 );

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add_filter( 'et_fb_load_raw_post_content', array( $this, 'modify_layout_content_visual_builder_raw_post_content' ) );

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add_filter( 'et_builder_render_layout', array( $this, 'modify_theme_builder_body_layout' ), 7 );

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// Block rendering on frontend

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add_filter( 'render_block', array( $this, 'render_block' ), 100, 2 );

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}

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/**

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* Check if current request is Divi Layout preview for block request. Layout block preview page

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* is only valid for logged in user with edit_posts cap with query string for activating block

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* layout preview and its nonce to verify it.

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* Initially, is_singular() check existed but reusable block at `wp_block` CPT and any other CPT

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* that has no frontend due to its post type registration sets `public` attribute to `false`

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* renders layout block preview at non singular page makes is_singular() check need to be dropped

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* @since 4.1.0

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* @return bool

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static public function is_layout_block_preview() {

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return isset( $_GET['et_block_layout_preview'] ) && et_core_security_check(

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'edit_posts',

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'et_block_layout_preview',

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'et_block_layout_preview_nonce',

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'_GET',

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false

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);

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}

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/**

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* Check if current builder shortcode rendering is done inside layout block

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* @since 4.1.0

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* @return bool

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static public function is_layout_block() {

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global $et_is_layout_block;

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// Ensure the returned value is bool

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return $et_is_layout_block ? true : false;

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}

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/**

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* Register portability which is needed to import premade and saved Layout via Divi Library;

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* Portability is intentionally disabled on builder page by `et_builder_should_load_framework()`

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* nevertheless excluding GB there doesn't work because it is being too early before any

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* GB check is hooked. Thus Register another portability for GB + builder page

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* @since 4.1.0

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public function register_portability_on_builder_page() {

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global $pagenow;

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// No permission, can't load library UI in the first place

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if ( ! et_pb_is_allowed( 'divi_library' ) ) {

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return;

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}

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// Exit if current page is not saved edit page

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$is_edit_page = 'post.php' === $pagenow && isset( $_GET['post'] );

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if ( ! $is_edit_page ) {

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return;

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}

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$post_id = intval( $_GET['post'] );

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// Exit if current page doesn't use Gutenberg

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if ( ! use_block_editor_for_post_type( get_post_type( $post_id ) ) ) {

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return;

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}

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// Exit if current page doesn't use builder

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if ( ! et_pb_is_pagebuilder_used( $post_id ) ) {

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return;

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}

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// Register portability

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et_core_portability_register( 'et_builder', array(

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'name' => esc_html__( 'Divi Builder Layout', 'et_builder' ),

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'type' => 'post',

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'view' => true,

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) );

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}

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/**

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* Render layout block

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* @since 4.1.0

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* @param string $block_content saved & serialized block data

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* @param array $block block info

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public function render_block( $block_content, $block ) {

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// Layout block only

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if ( 'divi/layout' !== $block['blockName'] ) {

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return $block_content;

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}

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global $et_is_layout_block;

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// Set flag

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$et_is_layout_block = true;

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// Render block content's shortcode. Block content actually can be rendered without this

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// method and only depending to WordPress' `do_shortcode` hooked into `the_content`. However

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// layout block need to set global for detecting that shortcode is rendered inside layout

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// block hence the early shortcode rendering between global variables.

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$block_content = do_shortcode( $block_content );

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// Reset flag

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$et_is_layout_block = false;

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return $block_content;

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}

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/**

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* Overwrite template path if current request is Divi Layout block preview

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* @since 4.1.0

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* @return string

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public function register_preview_template( $template ) {

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if ( self::is_layout_block_preview() ) {

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// disable admin bar

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show_admin_bar( false );

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// Use layout block specific template for render layout block preview (headerless

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// and footerless templates). BFB template was initialy used for this for DRY reason

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// but its #page-container-bfb causing styling issues

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return ET_BUILDER_DIR . 'templates/block-layout-preview.php';

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}

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// return original template

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return $template;

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}

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/**

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* Get Theme Builder's template settings of current (layout block preview) page

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* @since 4.3.4

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* @return array

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static public function get_preview_tb_template() {

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// Identify current request, and get applicable TB template for current page

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$request = ET_Theme_Builder_Request::from_current();

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$templates = et_theme_builder_get_theme_builder_templates( true );

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$settings = et_theme_builder_get_flat_template_settings_options();

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$tb_template = $request->get_template( $templates, $settings );

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// Define template properties as variables for readability

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$template_id = et_()->array_get( $tb_template, 'id', 0 );

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$layout_id = et_()->array_get( $tb_template, 'layouts.body.id', 0 );

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$layout_enabled = et_()->array_get( $tb_template, 'layouts.body.enabled', false );

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$layout_override = et_()->array_get( $tb_template, 'layouts.body.override', false );

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$has_layout = $layout_id && $layout_enabled && $layout_override;

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return array(

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'layout_id' => $layout_id,

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'layout_enabled' => $layout_enabled,

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'template_id' => $template_id,

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'has_layout' => $has_layout,

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);

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}

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/**

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* Early scripts and styles queue for Layout Block Preview page

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* Need to queue early because `et-builder-modules-script` uses localize scripts on this method

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* @since 4.4.1 Compatibility fixes for WP 5.4

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* @since 4.1.0

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public function enqueue_block_preview_styles_scripts() {

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if ( ! self::is_layout_block_preview() ) {

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return;

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}

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if ( et_fb_enabled() ) {

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return;

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}

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// Enqueue frame helper if it hasn't been queued

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if ( ! wp_script_is( 'et-frame-helpers', 'enqueued' ) ) {

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wp_enqueue_script(

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'et-frame-helpers',

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ET_BUILDER_URI . '/frontend-builder/build/frame-helpers.js',

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array(),

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ET_BUILDER_VERSION

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);

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}

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// frontend-builder-scripts.js handle might change when scripts are minified

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$builder_script_handle = apply_filters(

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'et_builder_modules_script_handle',

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'et-builder-modules-script'

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);

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wp_localize_script(

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$builder_script_handle,

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'ETBlockLayoutModulesScript',

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array(

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// blockId is dash separated alphanumeric uuid value

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'blockId' => sanitize_title( et_()->array_get( $_POST, 'et_editor_block_id', 0 ) ),

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// Make layout shortcode available for ajax pagination request by outputting it

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// as JS params so the pagination ajax request can have identical page on next

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// request. Thus any custom script has no business being here: as long as the same

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// module shortcode exist on next page it should be okay. Hence, kses em all

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// regardless user capability to reduce security concern

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'layoutContent' => wp_kses_post( et_()->array_get( $_POST, 'et_layout_block_layout_content', '' ) ),

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)

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);

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}

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/**

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* Late scripts and styles queue for Layout Block Preview page

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* Need to queue late because localize script needs to populate settings from rendered modules

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* @since 4.4.1 Renamed into `enqueue_block_preview_footer_styles_scripts`. Localize script

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* value which is used by `et-builder-modules-script` is queued on earlier hook

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* @since 4.1.0

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public function enqueue_block_preview_footer_styles_scripts() {

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if ( ! self::is_layout_block_preview() ) {

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return;

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}

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// Frontend preview adjustment should only be called on layout block preview frame

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// and shouldn't be called on layout block builder

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if ( ! et_fb_enabled() ) {

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wp_enqueue_script(

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'et-block-layout-preview',

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ET_BUILDER_URI . '/scripts/block-layout-frontend-preview.js',

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array( 'jquery' ),

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ET_BUILDER_PRODUCT_VERSION

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);

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}

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wp_localize_script(

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'et-block-layout-preview',

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'ETBlockLayoutPreview',

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array(

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// blockId is dash separated alphanumeric uuid value

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'blockId' => sanitize_title( et_()->array_get( $_POST, 'et_editor_block_id', 0 ) ),

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// Exposed module settings for layout block preview for making nescessary adjustments

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'assistiveSettings' => ET_Builder_Element::get_layout_block_assistive_settings(),

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// Exposed Divi breakpoint minimum widths

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'breakpointMinWidths' => et_pb_responsive_options()->get_breakpoint_min_widths(),

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// Divi style mode

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'styleModes' => array(

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'desktop',

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'tablet',

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'phone',

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'hover',

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)

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);

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// Disabled link modal, originally added for classic builder preview

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wp_enqueue_style(

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'et-block-layout-preview-style',

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ET_BUILDER_URI . '/styles/preview-layout-block.css',

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array(),

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ET_BUILDER_VERSION

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);

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}

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/**

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* Add builder classname on body class if layout block exist on the page

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* @since 4.1.0

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* @param array classname

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* @return array modified classname

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public function add_body_classnames( $classes ) {

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if ( self::is_layout_block_preview() ) {

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$classes[] = 'et-db';

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$classes[] = 'et-block-layout-preview';

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}

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return $classes;

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}

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/**

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* Add box shadow's highest offset value if box shadow is used on section so block preview area

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* can adjust its padding to make section's box shadow previewable on block preview

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* @since 4.1.0

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* @return array

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public function add_section_boxshadow_attributes( $attributes, $props, $render_count ) {

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$box_shadow_style = et_()->array_get( $props, 'box_shadow_style', '' );

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// Only apply on layout block and box shadow is set

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if ( ! self::is_layout_block_preview() || '' === $box_shadow_style || 'none' === $box_shadow_style ) {

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return $attributes;

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}

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// List of box shadow attribute that might affect how tall the box shadow is

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$spread = et_()->array_get( $props, 'box_shadow_spread', '' );

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$blur = et_()->array_get( $props, 'box_shadow_blur', '' );

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$vertical = et_()->array_get( $props, 'box_shadow_vertical', '' );

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$values = array(

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'spread' => absint( $spread ),

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'blur' => absint( $blur ),

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'vertical' => absint( $vertical ),

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);

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// Sort attributes; there's no way to safely convert all unit (em, rem, etc) into one

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// specific unit accurately, so this assumes that all values are in px

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asort( $values );

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// Point to the last array

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end( $values);

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// Get last array keys

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$highest_attribute_key = key( $values );

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// Add attribute with higest value into DOM data-* attribute so it can be referenced

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$attributes['box-shadow-offset'] = et_()->array_get( $props, 'box_shadow_' . $highest_attribute_key, '' );

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return $attributes;

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}

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/**

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* Modify layout content condition. Preview template should consider itself is_single = true

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* @since 4.1.0

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* @since 4.4.1 don't overwrite `p` and `post_type` query vars if homepage displays static page

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* @param object

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public function modify_layout_content_condition( $query ) {

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if ( $query->is_main_query() && self::is_layout_block_preview() ) {

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// Set to `false` to avoid home specific classname and attribute being printed. This is

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// specifically needed on CPT which is not publicly queryable / doesn't have frontend

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// page such as reusable block's `wp_block` CPT

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$query->is_home = false;

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// Set to `true` so `#et-boc` wrapper is correctly added

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$query->is_single = true;

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$query->is_singular = true;

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// Query name doesn't exist while post_id is passed via query string means current

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// layout block preview is rendered on CPT that doesn't publicly queryable / doesn't

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// have registered frontend page such `wp_block`. Manually set post id and post type

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// to avoid current query fetches ALL posts on `post` post type. However, bail if

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// current page has page_id. This means the current page, most likely homepage URL when

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// it has `name` query like this, renders static page on its homepage URL (defined at

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// dashboard > settings > your homepage display). Not doing this will cause current

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// homepage has incorrect post type and id which leads to 404 preview page which

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// will prevent the preview page from being rendered

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if ( ! isset( $query->query['name'] ) && 0 === $query->get( 'page_id' ) ) {

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if ( isset( $_GET['et_post_id'] ) ) {

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$query->set( 'p', intval( $_GET['et_post_id'] ) );

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}

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if ( isset( $_GET['et_post_type'] ) ) {

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$query->set( 'post_type', sanitize_text_field( $_GET['et_post_type'] ) );

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}

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}

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}

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}

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/**

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* Modify layout content content output based on layout shortcode layout sent over POST for

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* previewing layout block on gutenberg editor

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* @since 4.1.0

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* @param string $content post's content

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* @return string

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public function modify_layout_content_output( $content ) {

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if ( self::is_layout_block_preview() && is_main_query() ) {

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$content = et_()->array_get( $_POST, 'et_layout_block_layout_content', '' );

[462] Fix | Delete

[463] Fix | Delete

// If user don't have posting unfiltered html capability, strip scripts

[464] Fix | Delete

if ( ! current_user_can( 'unfiltered_html' ) ) {

[465] Fix | Delete

$content = wp_kses_post( $content );

[466] Fix | Delete

}

[467] Fix | Delete

[468] Fix | Delete

return wp_unslash( $content );

[469] Fix | Delete

}

[470] Fix | Delete

[471] Fix | Delete

return $content;

[472] Fix | Delete

}

[473] Fix | Delete

[474] Fix | Delete

/**

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* Modify post meta for enabling builder status and disabling static css if current request is

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* layout block preview

[477] Fix | Delete

[478] Fix | Delete

* @since 4.1.0

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[480] Fix | Delete

* @param null $value

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* @param int $object_id

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* @param string $meta_key

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* @param bool $single

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[485] Fix | Delete

* @return mixed

[486] Fix | Delete

[487] Fix | Delete

public function modify_layout_content_builder_meta( $value, $object_id, $meta_key, $single ) {

[488] Fix | Delete

// Force enable builder on layout block preview page request

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if ( '_et_pb_use_builder' === $meta_key && self::is_layout_block_preview() ) {

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return 'on';

[491] Fix | Delete

}

[492] Fix | Delete

[493] Fix | Delete

// Force disable static CSS on layout block preview page request so static CSS doesn't cache

[494] Fix | Delete

// incorrect stylesheet and break layout block styling

[495] Fix | Delete

if ( '_et_pb_static_css_file' === $meta_key && self::is_layout_block_preview() ) {

[496] Fix | Delete

return 'off';

[497] Fix | Delete

}

[498] Fix | Delete

[499] Fix | Delete