qtranslate-support-for-woocommerce.php

<?php
/*
Plugin Name: qTranslate support for WooCommerce
Plugin URI: https://github.com/mweimerskirch/wordpress-qtranslate-support-for-woocommerce
Description: Makes qTranslate work with WooCommerce
Version: 1.0.4
Author: Michel Weimerskirch
Author URI: http://michel.weimerskirch.net
License: MIT
*/

/* Translate category names*/
add_action('woocommerce_before_subcategory', 'qtrans_woocommerce_before_subcategory');
function qtrans_woocommerce_before_subcategory($category) { $category->name = __($category->name); return $category; }

/* Translate payment gateway title and description */
add_filter('woocommerce_gateway_title', 'qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage', 0);
add_filter('woocommerce_gateway_description', 'qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage', 0);

/* Fix qTranslate WooCommerce AJAX URLs */
add_filter('admin_url', 'fix_qtranslate_woocommerce_ajax_url');
function fix_qtranslate_woocommerce_ajax_url ($url) {
	if ($url == '/wp-admin/admin-ajax.php') {
		global $q_config;
		$url = $url . '?lang=' . $q_config['language'];
	}
	return $url;
}

/* Various translation filters*/
add_filter('the_title_attribute', 'qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage', 0);
add_filter('woocommerce_attribute_label', 'qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage', 0);
add_filter('woocommerce_variation_option_name', 'qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage', 0);
add_filter('woocommerce_page_title', 'qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage', 0);


/* Replace the "sanitize_title" filter from qTranslate with a custom implementation that prevents accents to be replaced language-specifically as this leads to problems with product attributes in WooCommerce. */
remove_filter('sanitize_title', 'qtrans_useRawTitle', 0, 3);
add_filter('sanitize_title', 'qwc_useRawTitle', -10, 3);
function qwc_useRawTitle($title, $raw_title = '', $context = 'save') {
	if('save' == $context) {
		if ($raw_title == '') $raw_title = $title;
		$raw_title = qtrans_useDefaultLanguage($raw_title);

		// Temporarily set a dummy language so the "remove_accents" method is not language-specific
		add_filter('locale', 'qwc_returnDummyLanguage', 100);

		$title = remove_accents($raw_title);

		// Restore the return value of the "get_locale()" method
		remove_filter('locale', 'qwc_returnDummyLanguage', 100);
	}
	return $title;
}
function qwc_returnDummyLanguage() { return 'dummy'; }

/* Fix the categories displayed on the single product pages */
add_filter('get_the_terms', 'qwc_get_the_terms');
function qwc_get_the_terms ($terms) {
	foreach($terms as $term) {
		if($term->taxonomy == 'product_cat') {
			$term->name = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($term->name);
		}
	}
	return $terms;
}

/* Fix the product attributes displayed in the cart */
add_filter('get_term', 'qwc_get_term');
function qwc_get_term ($term) {
        if(substr($term->taxonomy, 0, 3) == 'pa_') {
                $term->name = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($term->name);
        }
        return $term;
}

/* Fix the product categories and tags */
add_filter('wp_get_object_terms', 'qwc_wp_get_object_terms');
function qwc_wp_get_object_terms($terms) {
        foreach($terms as $term) {
                if($term->taxonomy == 'product_cat' || $term->taxonomy == 'product_tag') {
                        $term->name = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($term->name);
                }
        }
        return $terms;
}

/* Fix the product attributes displayed in the "additional informations" tab */
add_filter('woocommerce_attribute', 'qwc_woocommerce_attribute');
function qwc_woocommerce_attribute($text) {
        $values = explode(', ', $text);
        foreach($values as $i=>$val) {
                $values[$i] = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($val);
        }
        return implode(', ', $values);
}

/* Fix the "add to cart" button in the product list */
add_filter('woocommerce_add_to_cart_url', 'qtrans_convertURL');

/* Fix the product links (in the cart and possibly other places) */
add_filter('post_type_link', 'qwc_post_type_link', 10, 2);
function qwc_post_type_link($post_link, $post) {
	if($post->post_type == 'product') {
		$post_link = qtrans_convertURL($post_link);
	}
	return $post_link;
}