Added Polylang pro directory support

Author: richardevcom

LICENSE.txt

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+<?php
+
+/**
+ * Add Polylang support for Customizer
+ *
+ * @link              https://richardev.com
+ * @since             1.3.4
+ * @package           Polylang_Customizer
+ *
+ * @wordpress-plugin
+ * Plugin Name:       Add Polylang support for Customizer
+ * Plugin URI:        https://wordpress.org/plugins/add-polylang-support-for-customizer
+ * Description:       This plugin adds Polylang support for Customizer.
+ * Version:           1.3.4
+ * Author:            richardev
+ * Author URI:        https://richardev.com
+ * License:           GPL-2.0+
+ * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
+ * Text Domain:       apsfc
+ * Domain Path:       /languages
+ */
+
+// If this file is called directly, abort.
+if ( ! defined( 'WPINC' ) ) {
+	die;
+}
+
+if( ! defined( 'POLYLANG_VERSION' )){
+    function apsfc_error_notice__error() {
+        $class = 'notice notice-error';
+        $message = __( '<strong>Polylang</strong> plugin must be activated for <strong>Add Polylang support for Customizer</strong> plugin to work. Please <a href="' . admin_url('plugins.php') .'">activate it</a> now!', 'sample-text-domain' );
+     
+        printf( '<div class="%1$s"><p>%2$s</p></div>', esc_attr( $class ), $message ); 
+    }
+    add_action( 'admin_notices', 'apsfc_error_notice__error' );
+}else{
+    /**
+     * Currently plugin version.
+     * Start at version 1.0.2 and use SemVer - https://semver.org
+     * Rename this for your plugin and update it as you release new versions.
+     */
+    define( 'APSFC_VERSION', '1.3.4' );
+    define( 'APSFC_BASENAME', plugin_basename(__FILE__));
+
+    require_once plugin_dir_path( __FILE__ ) . '/includes/class-apsfc.php';
+}

apsfc.php

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+<?php // Silence is golden

assets/index.php

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+/**
+ *
+ */
+/* global wp, jQuery */
+/* exported PluginCustomizer */
+var PSPolyLang = (function( api, $ ) {
+	'use strict';
+
+	var component = {
+		data: {
+			url: null,
+			languages: null,
+			current_language: null,
+		}
+	};
+
+	/**
+	 * Initialize functionality.
+	 *
+	 * @param {object} args Args.
+	 * @param {string} args.url  Preview URL.
+	 * @returns {void}
+	 */
+	component.init = function init( pll ) {
+		_.extend(component.data, pll );
+		if (!pll || !pll.url || !pll.languages || !pll.current_language ) {
+			throw new Error( 'Missing args' );
+		}
+
+		api.bind( 'ready', function(){
+			api.previewer.previewUrl.set( pll.url );
+
+			var languages = pll.languages;
+			var current_language = pll.current_language;
+			var current_language_name = '';
+
+			var html = '<span style="position:relative;left:38px;margin-right:5px;top:2.5px;margin-left:5px;">' + pcLangTrans + ': </span>';
+			html += '<select id="pll-language-select" style="position:relative; left: 35px; top: 1px; padding: 4px 1px;width: 50px;">';
+			for (var i = 0; i < languages.length; i++) {
+				var language = languages[i];
+				var selected = (language.slug === current_language) ? 'selected=""' : '';
+				current_language_name = (language.slug === current_language) ? language.name.substr(0, 3) : 'Eng';
+				html += '<option ' + selected + ' value="' + language.slug + '">' + language.name.substr(0, 3) + '</option>';
+			}
+			html += '</select>';
+			$(html).prependTo('#customize-header-actions');
+
+
+			$('body').on('change', '#pll-language-select', function () {
+				var language = $(this).val();
+				var old_url = window.location.href;
+				window.location.href = updateQueryStringParameter(window.location.href, 'lang', language);
+			});
+		});
+
+		function updateQueryStringParameter(uri, key, value) {
+			var re = new RegExp("([?&])" + key + "=.*?(&|$)", "i");
+			var separator = uri.indexOf('?') !== -1 ? "&" : "?";
+			if (uri.match(re)) {
+				return uri.replace(re, '$1' + key + "=" + value + '$2');
+			} else {
+				return uri + separator + key + "=" + value;
+			}
+		}
+	};
+
+	return component;
+} ( wp.customize, jQuery ) );

assets/js/apsfc.js

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+<?php // Silence is golden