<?php

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/**

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* @author ThemePunch <info@themepunch.com>

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* @link https://www.themepunch.com/

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* @copyright 2024 ThemePunch

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*/

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if(!defined('ABSPATH')) exit();

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class RevSliderWpml extends RevSliderFunctions {

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private $cur_lang;

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/**

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* load the wpml filters ect.

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**/

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public function __construct(){

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add_filter('revslider_get_posts_by_category', array($this, 'translate_category_lang'), 10, 2);

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add_filter('revslider_get_parent_slides_pre', array($this, 'change_lang'), 10, 4);

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add_filter('revslider_get_parent_slides_post', array($this, 'change_lang_to_orig'), 10, 4);

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add_action('revslider_js_add_header_scripts_js', array($this, 'add_current_language_v7'), 10, 1);

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add_action('revslider_header_content', array($this, 'add_javascript_language'));

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}

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/**

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* true / false if the wpml plugin exists

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*/

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public function wpml_exists(){

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return did_action('wpml_loaded');

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}

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/**

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* valdiate that wpml exists

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*/

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public function validateWpmlExists(){

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if(!$this->wpml_exists()) $this->throw_error(__('The WPML plugin is not activated', 'revslider'));

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}

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/**

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* get languages array

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*/

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public function getArrLanguages($get_all = true){

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$this->validateWpmlExists();

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$langs = apply_filters('wpml_active_languages', array());

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$response = array();

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if($get_all == true) $response['all'] = __('All Languages', 'revslider');

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foreach($langs ?? [] as $code => $lang){

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$name = $lang['native_name'];

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$response[$code] = $name;

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}

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return $response;

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}

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/**

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* get assoc array of lang codes

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*/

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public function getArrLangCodes($get_all = true){

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$codes = array();

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if($get_all == true) $codes['all'] = 'all';

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$this->validateWpmlExists();

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$langs = apply_filters('wpml_active_languages', array());

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foreach($langs ?? [] as $code => $arr){

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$codes[$code] = $code;

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}

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return $codes;

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}

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/**

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* check if all languages exists in the given langs array

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*/

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public function isAllLangsInArray($codes){

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$all_codes = $this->getArrLangCodes();

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$diff = array_diff($all_codes, $codes);

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return empty($diff);

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}

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/**

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* get flag url

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*/

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public function getFlagUrl($code){

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$this->validateWpmlExists();

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$path = (defined('ICL_PLUGIN_URL')) ? ICL_PLUGIN_URL . '/res/img/icon16.png' : RS_PLUGIN_URL_CLEAN . 'admin/assets/images/icon16.png';

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if(empty($code) || $code == 'all'){

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$url = $path;

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}else{

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$active_languages = apply_filters('wpml_active_languages', array());

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$url = isset($active_languages[$code]['country_flag_url']) ? $active_languages[$code]['country_flag_url'] : null;

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}

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//default: show all

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return (!empty($url)) ? $url : $path;

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}

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/**

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* get language title by code

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*/

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public function getLangTitle($code){

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if($code == 'all') return(__('All Languages', 'revslider'));

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$def = apply_filters('wpml_default_language', null);

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return apply_filters('wpml_translated_language_name', '', $code, $def);

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}

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/**

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* get current language

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*/

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public function getCurrentLang(){

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$this->validateWpmlExists();

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return (is_admin()) ? apply_filters('wpml_default_language', null) : apply_filters('wpml_current_language', null);

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}

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/**

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* was before in RevSliderFunctions::get_posts_by_category();

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**/

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public function translate_category_lang($data, $type){

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$cat_id = $this->get_val($data, 'cat_id');

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$cat_id = (strpos($cat_id, ',') !== false) ? explode(',', $cat_id) : array($cat_id);

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if(!$this->wpml_exists()) return $data;

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//translate categories to languages

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$newcat = array();

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foreach($cat_id ?? [] as $id){

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$newcat[] = apply_filters('wpml_object_id', $id, 'category', true);

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}

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$data['cat_id'] = implode(',', $newcat);

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return $data;

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}

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/**

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* switch the language if WPML is used in Slider

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**/

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public function change_lang($lang, $published, $gal_ids, $slider){

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$use = ($slider->v7) ? $slider->get_param('wpml', false) : $slider->get_param(array('general', 'useWPML'), false);

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if(!$this->wpml_exists() || $use !== true) return;

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$this->cur_lang = apply_filters('wpml_current_language', null);

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do_action('wpml_switch_language', $lang);

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}

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/**

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* switch the language back to original, if WPML is used in Slider

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**/

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public function change_lang_to_orig($lang, $published, $gal_ids, $slider){

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$use = ($slider->v7) ? $slider->get_param('wpml', false) : $slider->get_param(array('general', 'useWPML'), false);

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if(!$this->wpml_exists() || $use !== true) return;

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do_action('wpml_switch_language', $this->cur_lang); //switch language back

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}

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/**

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* modify slider language

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*/

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public function get_language(){

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return ($this->wpml_exists()) ? ICL_LANGUAGE_CODE : 'all';

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}

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public function get_slider_language($slider){

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$use_wpml = ($slider->v7) ? $slider->get_param('wpml', false) : $slider->get_param(array('general', 'useWPML'), false);

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return ($use_wpml) ? $this->get_language() : 'all';

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}

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/**

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* add languages as javascript object to the RevSlider BackEnd Header

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**/

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public function add_javascript_language($rsad){

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if(!$this->wpml_exists()) return '';

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$langs = $this->getArrLanguages();

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$use_langs = array();

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foreach($langs ?? [] as $code => $lang){

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$use_langs[$code] = array(

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'title' => $lang,

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'image' => $this->getFlagUrl($code)

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);

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}

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echo '<script>';

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echo 'var RS_WPML_LANGS = JSON.parse(\''.json_encode($use_langs).'\');';

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echo '</script>';

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}

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/**

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* add languages as javascript object to the RevSlider frontend

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**/

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public function add_current_language_v7($script){

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if(!$this->wpml_exists()) return $script;

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$lang = $this->get_language();

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if($lang === 'all') return $script;

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$script .= " SR7.E.wpml ??= {};"."\n";

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$script .= " SR7.E.wpml.lang = '".esc_attr($lang)."';"."\n";

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return $script;

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}

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}

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/**

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* old classname extends new one (old classnames will be obsolete soon)

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* @since: 5.0

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**/

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class UniteWpmlRev extends RevSliderWpml {}

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