first commit

admininistrator/controller/event/language.php

@@ -0,0 +1,61 @@
+<?php
+namespace Opencart\Admin\Controller\Event;
+/**
+ * Class Language
+ *
+ * @package Opencart\Admin\Controller\Event
+ */
+class Language extends \Opencart\System\Engine\Controller {
+	// view/*/before
+	// Dump all the language vars into the template.
+	/**
+	 * @param string $route
+	 * @param array  $args
+	 *
+	 * @return void
+	 */
+	public function index(string &$route, array &$args): void {
+		foreach ($this->language->all() as $key => $value) {
+			if (!isset($args[$key])) {
+				$args[$key] = $value;
+			}
+		}
+	}
+
+	// controller/*/before
+	// 1. Before controller load store all current loaded language data.
+	/**
+	 * @param string $route
+	 * @param array  $args
+	 *
+	 * @return void
+	 */
+	public function before(string &$route, array &$args): void {
+		$data = $this->language->all();
+
+		if ($data) {
+			$this->language->set('backup', json_encode($data));
+		}
+	}
+
+	// controller/*/after
+	// 2. After controller load restore old language data.
+	/**
+	 * @param string $route
+	 * @param array  $args
+	 * @param mixed  $output
+	 *
+	 * @return void
+	 */
+	public function after(string &$route, array &$args, mixed &$output): void {
+		$data = json_decode($this->language->get('backup'), true);
+
+		if (is_array($data)) {
+			$this->language->clear();
+
+			foreach ($data as $key => $value) {
+				$this->language->set($key, $value);
+			}
+		}
+	}
+}