Add native language names to language selector

src/Core/L10n.php

@@ -340,9 +340,10 @@ class L10n
 	 *
 	 * Scans the view/lang directory for the existence of "strings.php" files, and
 	 * returns an alphabetical list of their folder names (@-char language codes).
-	 * Adds the english language if it's missing from the list.
+	 * Adds the english language if it's missing from the list. Folder names are
+	 * replaced by nativ language names.
 	 *
-	 * Ex: array('de' => 'de', 'en' => 'en', 'fr' => 'fr', ...)
+	 * Ex: array('de' => 'Deutsch', 'en' => 'English', 'fr' => 'Français', ...)
 	 *
 	 * @return array
 	 */
@@ -350,6 +351,33 @@ class L10n
 	{
 		$langs              = [];
 		$strings_file_paths = glob('view/lang/*/strings.php');
+		$lang_names = [
+			'ar'    => 'العربية',
+			'bg'    => 'Български',
+			'ca'    => 'Català',
+			'cs'    => 'Česky',
+			'de'    => 'Deutsch',
+			'en-gb' => 'English (United Kingdom)',
+			'en-us' => 'English (United States)',
+			'en'    => 'English (Default)',
+			'eo'    => 'Esperanto',
+			'es'    => 'Español',
+			'et'    => 'Eesti',
+			'fi-fi' => 'Suomi',
+			'fr'    => 'Français',
+			'hu'    => 'Magyar',
+			'is'    => 'Íslenska',
+			'it'    => 'Italiano',
+			'ja'    => '日本語',
+			'nb-no' => 'Norsk bokmål',
+			'nl'    => 'Nederlands',
+			'pl'    => 'Polski',
+			'pt-br' => 'Português Brasileiro',
+			'ro'    => 'Română',
+			'ru'    => 'Русский',
+			'sv'    => 'Svenska',
+			'zh-cn' => '简体中文',
+		];
 
 		if (is_array($strings_file_paths) && count($strings_file_paths)) {
 			if (!in_array('view/lang/en/strings.php', $strings_file_paths)) {
@@ -358,7 +386,7 @@ class L10n
 			asort($strings_file_paths);
 			foreach ($strings_file_paths as $strings_file_path) {
 				$path_array            = explode('/', $strings_file_path);
-				$langs[$path_array[2]] = $path_array[2];
+				$langs[$path_array[2]] = isset($lang_names[$path_array[2]]) ? $lang_names[$path_array[2]] : $path_array[2];
 			}
 		}
 		return $langs;