<?php

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class WPML_Translate_Independently {

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public function __construct() {

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$this->init();

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}

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public function init() {

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add_action( 'wpml_scripts_setup', array( $this, 'localize_scripts' ), PHP_INT_MAX );

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add_action( 'wp_ajax_check_duplicate', array( $this, 'wpml_translate_independently' ) );

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add_filter( 'tiny_mce_before_init', array( $this, 'add_tiny_mce_change_detection' ), 999, 1 );

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}

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public function wpml_translate_independently() {

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$post_id = isset( $_POST['post_id'] ) ? absint( $_POST['post_id'] ) : null;

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$nonce = isset( $_POST['icl_duplciate_nonce'] ) ? sanitize_text_field( $_POST['icl_duplciate_nonce'] ) : '';

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if ( wp_verify_nonce( $nonce, 'icl_check_duplicates' ) || null === $post_id ) {

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if ( delete_post_meta( $post_id, '_icl_lang_duplicate_of' ) ) {

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wp_send_json_success( true );

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} else {

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wp_send_json_error( false );

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}

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} else {

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wp_send_json_error( false );

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}

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}

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public function localize_scripts() {

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$success = _x( 'You are updating a duplicate post.', '1/2 Confirm to make duplicated translations independent', 'sitepress' ) . "\n";

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$success .= _x( 'To not lose your changes, WPML will set this post to be translated independently.', '2/2 Confirm to make duplicated translations independent', 'sitepress' ) . "\n";

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$duplicate_data = array(

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'icl_duplicate_message' => $success,

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'icl_duplicate_fail' => __( 'Unable to remove relationship!', 'sitepress' ),

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);

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$post = isset( $_GET['post'] ) ? filter_var( $_GET['post'], FILTER_SANITIZE_NUMBER_INT ) : '';

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if ( $post && '' !== get_post_meta( $post, '_icl_lang_duplicate_of', true ) ) {

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$duplicate_data['duplicate_post_nonce'] = wp_create_nonce( 'icl_check_duplicates' );

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$duplicate_data['duplicate_post'] = $post;

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$duplicate_data['wp_classic_editor_changed'] = false;

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}

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wp_localize_script( 'sitepress-post-edit', 'icl_duplicate_data', $duplicate_data );

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}

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/**

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* Add callback to detect post editor change.

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* @param array $initArray

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*

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* @return array

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*/

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public function add_tiny_mce_change_detection( $initArray ) {

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$initArray['setup'] = 'function(ed) {

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ed.on(\'change\', function() {

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icl_duplicate_data.wp_classic_editor_changed = true;

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});

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}';

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return $initArray;

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}

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}

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