<?php (defined('BASEPATH')) OR exit('No direct script access allowed');

/**
 * Modular Extensions - HMVC
 *
 * Adapted from the CodeIgniter Core Classes
 * @link	http://codeigniter.com
 *
 * Description:
 * This library extends the CodeIgniter CI_Language class
 * and adds features allowing use of modules and the HMVC design pattern.
 *
 * Install this file as application/third_party/MX/Lang.php
 *
 * @copyright	Copyright (c) 2011 Wiredesignz
 * @version 	5.4
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 **/
class MX_Lang extends CI_Lang
{
	public static $fall_back = 'english';

	public function load($langfile = '', $lang = '', $return = false, $add_suffix = true, $alt_path = '', $_module = '')	{

		if (is_array($langfile)) {
			foreach($langfile as $_lang) $this->load($_lang);
			return $this->language;
		}

		if ( ! class_exists('CI'))
		{
			exit('An error has occured that cannot be reported correctly. Check your database settings.');
		}

		$deft_lang = CI::$APP->config->item('language');
		$idiom = ($lang == '') ? $deft_lang : $lang;

		if (in_array($langfile . '_lang'.EXT, $this->is_loaded, true))
		{
			return $this->language;
		}

		$_module OR $_module = CI::$APP->router->fetch_module();
		list($path, $_langfile) = Modules::find($langfile . '_lang', $_module, 'language/' . $idiom . '/');

		// Falls back to a default language if the current language file is missing.
		if ($path === false && self::$fall_back)
		{
			list($path, $_langfile) = Modules::find($langfile . '_lang', $_module, 'language/' . self::$fall_back . '/');
		}

		if ($path === false)
		{
			if ($lang = parent::load($langfile, $lang, $return, $add_suffix, $alt_path))
			{
				return $lang;
			}

		}

		else
		{
			if ($lang = Modules::load_file($_langfile, $path, 'lang'))
			{
				if ($return)
				{
					return $lang;
				}

				$this->language = array_merge($this->language, $lang);
				$this->is_loaded[] = $langfile . '_lang'.EXT;
				unset($lang);
			}
		}

		return $this->language;
	}
}